From 89ad24e7d63f7488c2796b30d41303f52663a8c4 Mon Sep 17 00:00:00 2001 From: gus knight Date: Wed, 29 Jul 2015 16:53:57 -0400 Subject: Revert all of my changes to directories & codingstyle. --- src/Makefile | 421 --- src/arm/arm-gen.c | 2162 ---------------- src/arm/arm64-gen.c | 1846 -------------- src/cil/il-gen.c | 655 ----- src/cil/il-opcodes.h | 251 -- src/coff.h | 446 ---- src/config.h.in | 7 - src/conftest.c | 77 - src/elf.h | 3228 ----------------------- src/libtcc.c | 2322 ----------------- src/libtcc.h | 104 - src/stab.def | 234 -- src/stab.h | 17 - src/tcc.c | 365 --- src/tcc.h | 1498 ----------- src/tccasm.c | 1130 --------- src/tcccoff.c | 924 ------- src/tccelf.c | 3504 ------------------------- src/tccgen.c | 6462 ----------------------------------------------- src/tcclib.h | 80 - src/tccpe.c | 1890 -------------- src/tccpp.c | 3430 ------------------------- src/tccrun.c | 772 ------ src/tcctok.h | 335 --- src/tms320c67/c67-gen.c | 2559 ------------------- src/x86/i386-asm.c | 1502 ----------- src/x86/i386-asm.h | 474 ---- src/x86/i386-gen.c | 1144 --------- src/x86/i386-tok.h | 244 -- src/x86/x86_64-asm.h | 449 ---- src/x86/x86_64-gen.c | 2359 ----------------- 31 files changed, 40891 deletions(-) delete mode 100644 src/Makefile delete mode 100644 src/arm/arm-gen.c delete mode 100644 src/arm/arm64-gen.c delete mode 100644 src/cil/il-gen.c delete mode 100644 src/cil/il-opcodes.h delete mode 100644 src/coff.h delete mode 100644 src/config.h.in delete mode 100644 src/conftest.c delete mode 100644 src/elf.h delete mode 100644 src/libtcc.c delete mode 100644 src/libtcc.h delete mode 100644 src/stab.def delete mode 100644 src/stab.h delete mode 100644 src/tcc.c delete mode 100644 src/tcc.h delete mode 100644 src/tccasm.c delete mode 100644 src/tcccoff.c delete mode 100644 src/tccelf.c delete mode 100644 src/tccgen.c delete mode 100644 src/tcclib.h delete mode 100644 src/tccpe.c delete mode 100644 src/tccpp.c delete mode 100644 src/tccrun.c delete mode 100644 src/tcctok.h delete mode 100644 src/tms320c67/c67-gen.c delete mode 100644 src/x86/i386-asm.c delete mode 100644 src/x86/i386-asm.h delete mode 100644 src/x86/i386-gen.c delete mode 100644 src/x86/i386-tok.h delete mode 100644 src/x86/x86_64-asm.h delete mode 100644 src/x86/x86_64-gen.c (limited to 'src') diff --git a/src/Makefile b/src/Makefile deleted file mode 100644 index 1352bfd..0000000 --- a/src/Makefile +++ /dev/null @@ -1,421 +0,0 @@ -# -# Tiny C Compiler Makefile -# - -TOP ?= . -include $(TOP)/../config.mak -VPATH = $(top_srcdir) - -CPPFLAGS += -I$(TOP) # for config.h - -ifneq (-$(findstring gcc,$(CC))-,-gcc-) -ifeq (-$(findstring clang,$(CC))-,-clang-) -# make clang accept gnuisms in libtcc1.c -CFLAGS+=-fheinous-gnu-extensions -endif -endif - -CPPFLAGS_P=$(CPPFLAGS) -DCONFIG_TCC_STATIC -CFLAGS_P=$(CFLAGS) -pg -static -LIBS_P= -LDFLAGS_P=$(LDFLAGS) - -ifdef CONFIG_WIN64 -CONFIG_WIN32=yes -endif - -ifndef CONFIG_WIN32 -LIBS=-lm -ifndef CONFIG_NOLDL -LIBS+=-ldl -endif -endif - -# make libtcc as static or dynamic library? -ifdef DISABLE_STATIC -ifndef CONFIG_WIN32 -LIBTCC=libtcc.so.1.0 -else -LIBTCC=libtcc.dll -LIBTCC_DLL=yes -LIBTCC_EXTRA=libtcc.def libtcc.a -endif -LINK_LIBTCC=-Wl,-rpath,"$(libdir)" -ifdef DISABLE_RPATH -LINK_LIBTCC= -endif -else -LIBTCC=libtcc.a -LINK_LIBTCC= -endif - -CONFIG_$(ARCH) = yes -NATIVE_DEFINES_$(CONFIG_i386) += -DTCC_TARGET_I386 -NATIVE_DEFINES_$(CONFIG_x86-64) += -DTCC_TARGET_X86_64 -NATIVE_DEFINES_$(CONFIG_WIN32) += -DTCC_TARGET_PE -NATIVE_DEFINES_$(CONFIG_uClibc) += -DTCC_UCLIBC -NATIVE_DEFINES_$(CONFIG_arm) += -DTCC_TARGET_ARM -NATIVE_DEFINES_$(CONFIG_arm_eabihf) += -DTCC_ARM_EABI -DTCC_ARM_HARDFLOAT -NATIVE_DEFINES_$(CONFIG_arm_eabi) += -DTCC_ARM_EABI -NATIVE_DEFINES_$(CONFIG_arm_vfp) += -DTCC_ARM_VFP -NATIVE_DEFINES_$(CONFIG_arm64) += -DTCC_TARGET_ARM64 -NATIVE_DEFINES += $(NATIVE_DEFINES_yes) - -ifeq ($(TOP),.) - -PROGS=tcc$(EXESUF) -I386_CROSS = i386-linux-gnu-tcc$(EXESUF) -WIN32_CROSS = i386-win-mingw32-tcc$(EXESUF) -WIN64_CROSS = x86_64-win-mingw32-tcc$(EXESUF) -WINCE_CROSS = arm-win-mingw32ce-tcc$(EXESUF) -X64_CROSS = x86_64-linux-gnu-tcc$(EXESUF) -ARM_FPA_CROSS = arm-linux-fpa-tcc$(EXESUF) -ARM_FPA_LD_CROSS = arm-linux-fpa-ld-tcc$(EXESUF) -ARM_VFP_CROSS = arm-linux-gnu-tcc$(EXESUF) -ARM_EABI_CROSS = arm-linux-gnueabi-tcc$(EXESUF) -ARM_EABIHF_CROSS = arm-linux-gnueabihf-tcc$(EXESUF) -ARM_CROSS = $(ARM_FPA_CROSS) $(ARM_FPA_LD_CROSS) $(ARM_VFP_CROSS) $(ARM_EABI_CROSS) -ARM64_CROSS = arm64-tcc$(EXESUF) -C67_CROSS = c67-tcc$(EXESUF) - -# Legacy symlinks for cross compilers -$(I386_CROSS)_LINK = i386-tcc$(EXESUF) -$(WIN32_CROSS)_LINK = i386-win-tcc$(EXESUF) -$(WIN64_CROSS)_LINK = x86_64-win-tcc$(EXESUF) -$(WINCE_CROSS)_LINK = arm-win-tcc$(EXESUF) -$(X64_CROSS)_LINK = x86_64-tcc$(EXESUF) -$(ARM_FPA_CROSS)_LINK = arm-fpa-tcc$(EXESUF) -$(ARM_FPA_LD_CROSS)_LINK = arm-fpa-ld-tcc$(EXESUF) -$(ARM_VFP_CROSS)_LINK = arm-vfp-tcc$(EXESUF) -$(ARM_EABI_CROSS)_LINK = arm-eabi-tcc$(EXESUF) - -ifeq ($(TARGETOS),Windows) -ifeq ($(ARCH),i386) -PROGS:=$($(WIN32_CROSS)_LINK) -$($(WIN32_CROSS)_LINK)_TCC = yes -endif -ifeq ($(ARCH),x86-64) -PROGS:=$($(WIN64_CROSS)_LINK) -$($(WIN64_CROSS)_LINK)_TCC = yes -endif -endif - -ifeq ($(TARGETOS),Linux) -ifeq ($(ARCH),i386) -PROGS:=$($(I386_CROSS)_LINK) -$($(I386_CROSS)_LINK)_TCC = yes -endif -ifeq ($(ARCH),x86-64) -PROGS:=$($(X64_CROSS)_LINK) -$($(X64_CROSS)_LINK)_TCC = yes -endif -endif - -CORE_FILES = tcc.c libtcc.c tccpp.c tccgen.c tccelf.c tccasm.c tccrun.c -CORE_FILES += tcc.h config.h libtcc.h tcctok.h -I386_FILES = $(CORE_FILES) x86/i386-gen.c x86/i386-asm.c x86/i386-asm.h x86/i386-tok.h -WIN32_FILES = $(CORE_FILES) x86/i386-gen.c x86/i386-asm.c x86/i386-asm.h x86/i386-tok.h tccpe.c -WIN64_FILES = $(CORE_FILES) x86/x86_64-gen.c x86/i386-asm.c x86/x86_64-asm.h tccpe.c -WINCE_FILES = $(CORE_FILES) arm/arm-gen.c tccpe.c -X86_64_FILES = $(CORE_FILES) x86/x86_64-gen.c x86/i386-asm.c x86/x86_64-asm.h -ARM_FILES = $(CORE_FILES) arm/arm-gen.c -ARM64_FILES = $(CORE_FILES) arm/arm64-gen.c -C67_FILES = $(CORE_FILES) tms320c67/c67-gen.c tcccoff.c - -ifdef CONFIG_WIN64 -PROGS+=tiny_impdef$(EXESUF) tiny_libmaker$(EXESUF) -NATIVE_FILES=$(WIN64_FILES) -PROGS_CROSS=$(WIN32_CROSS) $(I386_CROSS) $(X64_CROSS) $(ARM_CROSS) $(ARM64_CROSS) $(C67_CROSS) $(WINCE_CROSS) -LIBTCC1_CROSS=lib/i386-win/libtcc1.a -LIBTCC1=libtcc1.a -else ifdef CONFIG_WIN32 -PROGS+=tiny_impdef$(EXESUF) tiny_libmaker$(EXESUF) -NATIVE_FILES=$(WIN32_FILES) -PROGS_CROSS=$(WIN64_CROSS) $(I386_CROSS) $(X64_CROSS) $(ARM_CROSS) $(ARM64_CROSS) $(C67_CROSS) $(WINCE_CROSS) -LIBTCC1_CROSS=lib/x86_64-win/libtcc1.a -LIBTCC1=libtcc1.a -else ifeq ($(ARCH),i386) -NATIVE_FILES=$(I386_FILES) -PROGS_CROSS=$($(X64_CROSS)_LINK) $($(WIN32_CROSS)_LINK) $($(WIN64_CROSS)_LINK) $(ARM_CROSS) $(ARM64_CROSS) $(C67_CROSS) $(WINCE_CROSS) -LIBTCC1_CROSS=lib/i386-win/libtcc1.a lib/x86_64-win/libtcc1.a lib/i386/libtcc1.a lib/x86_64/libtcc1.a \ - lib/arm64/libtcc1.a -LIBTCC1=libtcc1.a -else ifeq ($(ARCH),x86-64) -ifeq ($(TARGETOS),Darwin) -NATIVE_FILES=$(X86_64_FILES) -PROGS_CROSS=$($(I386_CROSS)_LINK) $($(WIN32_CROSS)_LINK) $($(WIN64_CROSS)_LINK) $(ARM_CROSS) $(C67_CROSS) $(WINCE_CROSS) -LIBTCC1_CROSS=lib/i386-win/libtcc1.a lib/x86_64-win/libtcc1.a lib/i386/libtcc1.a lib/x86_64/libtcc1.a -LIBTCC1=libtcc1.a -else -NATIVE_FILES=$(X86_64_FILES) -PROGS_CROSS=$($(I386_CROSS)_LINK) $($(WIN32_CROSS)_LINK) $($(WIN64_CROSS)_LINK) $(ARM_CROSS) $(ARM64_CROSS) $(C67_CROSS) $(WINCE_CROSS) -LIBTCC1_CROSS=lib/i386-win/libtcc1.a lib/x86_64-win/libtcc1.a lib/i386/libtcc1.a lib/x86_64/libtcc1.a \ - lib/arm64/libtcc1.a -LIBTCC1=libtcc1.a -endif -else ifeq ($(ARCH),arm) -NATIVE_FILES=$(ARM_FILES) -PROGS_CROSS=$(I386_CROSS) $(X64_CROSS) $(WIN32_CROSS) $(WIN64_CROSS) $(ARM64_CROSS) $(C67_CROSS) $(WINCE_CROSS) -LIBTCC1=libtcc1.a -LIBTCC1_CROSS=lib/i386-win/libtcc1.a lib/x86_64-win/libtcc1.a lib/i386/libtcc1.a -else ifeq ($(ARCH),arm64) -NATIVE_FILES=$(ARM64_FILES) -PROGS_CROSS=$(I386_CROSS) $(X64_CROSS) $(WIN32_CROSS) $(WIN64_CROSS) $(ARM_CROSS) $(C67_CROSS) $(WINCE_CROSS) -LIBTCC1=libtcc1.a -LIBTCC1_CROSS=lib/i386-win/libtcc1.a lib/x86_64-win/libtcc1.a lib/i386/libtcc1.a -endif -PROGS_CROSS_LINK=$(foreach PROG_CROSS,$(PROGS_CROSS),$($(PROG_CROSS)_LINK)) - -ifeq ($(TARGETOS),Darwin) -PROGS+=tiny_libmaker$(EXESUF) -endif - -TCCLIBS = $(LIBTCC1) $(LIBTCC) $(LIBTCC_EXTRA) -TCCDOCS = tcc.1 tcc-doc.html tcc-doc.info - -ifdef CONFIG_CROSS -PROGS+=$(PROGS_CROSS) -TCCLIBS+=$(LIBTCC1_CROSS) -endif - -all: $(PROGS) $(TCCLIBS) $(TCCDOCS) - -# Host Tiny C Compiler -tcc$(EXESUF): tcc.o $(LIBTCC) - $(CC) -o $@ $^ $(LIBS) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $(LINK_LIBTCC) - -# Cross Tiny C Compilers -%-tcc$(EXESUF): tcc.c - $(CC) -o $@ $< -DONE_SOURCE $(if $($@_TCC),$(NATIVE_DEFINES),$(DEFINES)) $(CPPFLAGS) $(CFLAGS) $(LIBS) $(LDFLAGS) - $(if $($@_LINK),ln -sf $@ $($@_LINK)) - $(if $($@_TCC),ln -sf $@ tcc$(EXESUF)) - -# profiling version -tcc_p$(EXESUF): $(NATIVE_FILES) - $(CC) -o $@ $< -DONE_SOURCE $(NATIVE_DEFINES) $(CPPFLAGS_P) $(CFLAGS_P) $(LIBS_P) $(LDFLAGS_P) - -$(I386_CROSS) $($(I386_CROSS)_LINK): DEFINES = -DTCC_TARGET_I386 -$(X64_CROSS) $($(X64_CROSS)_LINK): DEFINES = -DTCC_TARGET_X86_64 -$(WIN32_CROSS) $($(WIN32_CROSS)_LINK): DEFINES = -DTCC_TARGET_I386 -DTCC_TARGET_PE \ - -DCONFIG_TCCDIR="\"$(tccdir)/win32\"" \ - -DCONFIG_TCC_LIBPATHS="\"{B}/lib/32;{B}/lib\"" -$(WIN64_CROSS) $($(WIN64_CROSS)_LINK): DEFINES = -DTCC_TARGET_X86_64 -DTCC_TARGET_PE \ - -DCONFIG_TCCDIR="\"$(tccdir)/win32\"" \ - -DCONFIG_TCC_LIBPATHS="\"{B}/lib/64;{B}/lib\"" -$(WINCE_CROSS): DEFINES = -DTCC_TARGET_PE -$(C67_CROSS): DEFINES = -DTCC_TARGET_C67 -$(ARM_FPA_CROSS): DEFINES = -DTCC_TARGET_ARM -$(ARM_FPA_LD_CROSS)$(EXESUF): DEFINES = -DTCC_TARGET_ARM -DLDOUBLE_SIZE=12 -$(ARM_VFP_CROSS): DEFINES = -DTCC_TARGET_ARM -DTCC_ARM_VFP -$(ARM_EABI_CROSS): DEFINES = -DTCC_TARGET_ARM -DTCC_ARM_EABI -DTCC_ARM_VFP -$(ARM64_CROSS): DEFINES = -DTCC_TARGET_ARM64 - -$(I386_CROSS) $($(I386_CROSS)_LINK): $(I386_FILES) -$(X64_CROSS) $($(X64_CROSS)_LINK): $(X86_64_FILES) -$(WIN32_CROSS) $($(WIN32_CROSS)_LINK): $(WIN32_FILES) -$(WIN64_CROSS) $($(WIN64_CROSS)_LINK): $(WIN64_FILES) -$(WINCE_CROSS) $($(WINCE_CROSS)_LINK): $(WINCE_FILES) -$(C67_CROSS) $($(C67_CROSS)_LINK): $(C67_FILES) -$(ARM_FPA_CROSS) $(ARM_FPA_LD_CROSS) $(ARM_VFP_CROSS) $(ARM_EABI_CROSS): $(ARM_FILES) -$($(ARM_FPA_CROSS)_LINK) $($(ARM_FPA_LD_CROSS)_LINK) $($(ARM_VFP_CROSS)_LINK) $($(ARM_EABI_CROSS)_LINK): $(ARM_FILES) -$(ARM64_CROSS): $(ARM64_FILES) - -# libtcc generation and test -ifndef ONE_SOURCE -LIBTCC_OBJ = $(filter-out tcc.o,$(patsubst %.c,%.o,$(filter %.c,$(NATIVE_FILES)))) -LIBTCC_INC = $(filter %.h,$(CORE_FILES)) $(filter-out $(CORE_FILES),$(NATIVE_FILES)) -else -LIBTCC_OBJ = libtcc.o -LIBTCC_INC = $(NATIVE_FILES) -libtcc.o : NATIVE_DEFINES += -DONE_SOURCE -endif - -$(LIBTCC_OBJ) tcc.o : %.o : %.c $(LIBTCC_INC) - $(CC) -o $@ -c $< $(NATIVE_DEFINES) $(CPPFLAGS) $(CFLAGS) - -ifndef LIBTCC_DLL -libtcc.a: $(LIBTCC_OBJ) - $(AR) rcs $@ $^ -endif - -libtcc.so.1.0: $(LIBTCC_OBJ) - $(CC) -shared -Wl,-soname,$@ -o $@ $^ $(LDFLAGS) - -libtcc.so.1.0: CFLAGS+=-fPIC - -ifdef LIBTCC_DLL -libtcc.dll libtcc.def libtcc.a: $(LIBTCC_OBJ) - $(CC) -shared $^ -o $@ $(LDFLAGS) -Wl,--output-def,libtcc.def,--out-implib,libtcc.a -endif - -# windows utilities -tiny_impdef$(EXESUF): ../win32/tools/tiny_impdef.c - $(CC) -o $@ $< $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -tiny_libmaker$(EXESUF): ../win32/tools/tiny_libmaker.c - $(CC) -o $@ $< $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) - -# TinyCC runtime libraries -libtcc1.a : FORCE - $(MAKE) -C ../lib native - if test ! -d $(ARCH); then mkdir $(ARCH); fi - if test ! -L $(ARCH)/$@; then ln -sf ../$@ $(ARCH)/$@; fi -lib/%/libtcc1.a : FORCE $(PROGS_CROSS) - $(MAKE) -C ../lib cross TARGET=$* - -FORCE: - -# install -TCC_INCLUDES = stdarg.h stddef.h stdbool.h float.h varargs.h -INSTALL=install -ifdef STRIP_BINARIES -INSTALLBIN=$(INSTALL) -s -else -INSTALLBIN=$(INSTALL) -endif - -install-strip: install - strip $(foreach PROG,$(PROGS),"$(bindir)"/$(PROG)) - -ifndef CONFIG_WIN32 -install: $(PROGS) $(TCCLIBS) $(TCCDOCS) - mkdir -p "$(bindir)" - $(INSTALLBIN) -m755 $(PROGS) "$(bindir)" - cp -P tcc$(EXESUF) "$(bindir)" - mkdir -p "$(mandir)/man1" - -$(INSTALL) -m644 tcc.1 "$(mandir)/man1" - mkdir -p "$(infodir)" - -$(INSTALL) -m644 tcc-doc.info "$(infodir)" - mkdir -p "$(tccdir)" - mkdir -p "$(tccdir)/include" -ifneq ($(LIBTCC1),) - mkdir -p "$(tccdir)/$(ARCH)" - $(INSTALL) -m644 $(LIBTCC1) "$(tccdir)/$(ARCH)" -endif - $(INSTALL) -m644 $(addprefix $(top_srcdir)/include/,$(TCC_INCLUDES)) $(top_srcdir)/tcclib.h "$(tccdir)/include" - mkdir -p "$(libdir)" - $(INSTALL) -m644 $(LIBTCC) "$(libdir)" -ifdef DISABLE_STATIC - ln -sf "$(ln_libdir)/libtcc.so.1.0" "$(libdir)/libtcc.so.1" - ln -sf "$(ln_libdir)/libtcc.so.1.0" "$(libdir)/libtcc.so" -endif - mkdir -p "$(includedir)" - $(INSTALL) -m644 $(top_srcdir)/libtcc.h "$(includedir)" - mkdir -p "$(docdir)" - -$(INSTALL) -m644 tcc-doc.html "$(docdir)" -ifdef CONFIG_CROSS - mkdir -p "$(tccdir)/win32/lib/32" - mkdir -p "$(tccdir)/win32/lib/64" - mkdir -p "$(tccdir)/i386" - mkdir -p "$(tccdir)/x86-64" -ifneq ($(HOST_OS),Darwin) - mkdir -p "$(tccdir)/arm64" - $(INSTALL) -m644 lib/arm64/libtcc1.a "$(tccdir)/arm64" -endif - $(INSTALL) -m644 lib/i386/libtcc1.a "$(tccdir)/i386" - $(INSTALL) -m644 lib/x86_64/libtcc1.a "$(tccdir)/x86-64" - $(INSTALL) -m644 $(top_srcdir)/win32/lib/*.def "$(tccdir)/win32/lib" - $(INSTALL) -m644 lib/i386-win/libtcc1.a "$(tccdir)/win32/lib/32" - $(INSTALL) -m644 lib/x86_64-win/libtcc1.a "$(tccdir)/win32/lib/64" - cp -r $(top_srcdir)/win32/include/. "$(tccdir)/win32/include" - cp -r "$(tccdir)/include" "$(tccdir)/win32" -endif - -uninstall: - rm -fv $(foreach P,$(PROGS),"$(bindir)/$P") - rm -fv "$(bindir)/tcc$(EXESUF)" - rm -fv $(foreach P,$(LIBTCC1),"$(tccdir)/$P") - rm -fv $(foreach P,$(TCC_INCLUDES),"$(tccdir)/include/$P") - rm -fv "$(mandir)/man1/tcc.1" "$(infodir)/tcc-doc.info" - rm -fv "$(libdir)/$(LIBTCC)" "$(includedir)/libtcc.h" - rm -fv "$(libdir)/libtcc.so*" - rm -rv "$(tccdir)" - rm -rv "$(docdir)" -else -# on windows -install: $(PROGS) $(TCCLIBS) $(TCCDOCS) - mkdir -p "$(tccdir)" - mkdir -p "$(tccdir)/lib" - mkdir -p "$(tccdir)/include" - mkdir -p "$(tccdir)/examples" - mkdir -p "$(tccdir)/doc" - mkdir -p "$(tccdir)/libtcc" - $(INSTALLBIN) -m755 $(PROGS) "$(tccdir)" - $(INSTALLBIN) -m755 tcc.exe "$(tccdir)" - $(INSTALL) -m644 $(LIBTCC1) $(top_srcdir)/win32/lib/*.def "$(tccdir)/lib" - cp -r $(top_srcdir)/win32/include/. "$(tccdir)/include" - cp -r $(top_srcdir)/win32/examples/. "$(tccdir)/examples" - $(INSTALL) -m644 $(addprefix $(top_srcdir)/include/,$(TCC_INCLUDES)) $(top_srcdir)/tcclib.h "$(tccdir)/include" - $(INSTALL) -m644 tcc-doc.html $(top_srcdir)/win32/tcc-win32.txt "$(tccdir)/doc" - $(INSTALL) -m644 $(top_srcdir)/libtcc.h $(LIBTCC_EXTRA) "$(tccdir)/libtcc" - $(INSTALL) -m644 $(LIBTCC) "$(tccdir)" -ifdef CONFIG_CROSS - mkdir -p "$(tccdir)/lib/32" - mkdir -p "$(tccdir)/lib/64" - -$(INSTALL) -m644 lib/i386-win/libtcc1.a "$(tccdir)/lib/32" - -$(INSTALL) -m644 lib/x86_64-win/libtcc1.a "$(tccdir)/lib/64" -endif - -uninstall: - rm -rfv "$(tccdir)/*" -endif - -# documentation and man page -tcc-doc.html: ../docs/tcc-doc.texi - -makeinfo --no-split --html --number-sections -o $@ $< - -tcc.1: ../docs/tcc-doc.texi - -$(top_srcdir)/../docs/texi2pod.pl $< tcc.pod - -pod2man --section=1 --center="Tiny C Compiler" --release=`cat $(top_srcdir)/../VERSION` tcc.pod > $@ - -tcc-doc.info: ../docs/tcc-doc.texi - -makeinfo $< - -# in tests subdir -export LIBTCC1 - -%est: - $(MAKE) -C ../tests $@ 'PROGS_CROSS=$(PROGS_CROSS)' - -clean: - rm -vf $(PROGS) tcc_p$(EXESUF) tcc.pod *~ *.o *.a *.so* *.out *.log \ - *.exe a.out tags TAGS libtcc_test$(EXESUF) tcc$(EXESUF) - -rm -r $(ARCH) arm64 -ifeq ($(HOST_OS),Linux) - -rm -r ./C: -endif - -rm *-tcc$(EXESUF) - $(MAKE) -C ../tests $@ -ifneq ($(LIBTCC1),) - $(MAKE) -C ../lib $@ -endif - -distclean: clean - rm -vf config.h config.mak config.texi tcc.1 tcc-doc.info tcc-doc.html - -config.mak: - @echo "Please run ./configure." - @exit 1 - -tags: - ctags $(top_srcdir)/*.[ch] $(top_srcdir)/include/*.h $(top_srcdir)/lib/*.[chS] - -TAGS: - ctags -e $(top_srcdir)/*.[ch] $(top_srcdir)/include/*.h $(top_srcdir)/lib/*.[chS] - -# create release tarball from *current* git branch (including tcc-doc.html -# and converting two files to CRLF) -TCC-VERSION := tcc-$(shell cat $(top_srcdir)/../VERSION) -tar: tcc-doc.html - mkdir $(TCC-VERSION) - ( cd $(TCC-VERSION) && git --git-dir ../.git checkout -f ) - cp tcc-doc.html $(TCC-VERSION) - for f in tcc-win32.txt build-tcc.bat ; do \ - cat win32/$$f | sed 's,\(.*\),\1\r,g' > $(TCC-VERSION)/win32/$$f ; \ - done - tar cjf $(TCC-VERSION).tar.bz2 $(TCC-VERSION) - rm -rf $(TCC-VERSION) - git reset - -.PHONY: all clean tar tags TAGS distclean install uninstall FORCE - -endif # ifeq ($(TOP),.) diff --git a/src/arm/arm-gen.c b/src/arm/arm-gen.c deleted file mode 100644 index cf2d968..0000000 --- a/src/arm/arm-gen.c +++ /dev/null @@ -1,2162 +0,0 @@ -/* - * ARMv4 code generator for TCC - * - * Copyright (c) 2003 Daniel Glöckner - * Copyright (c) 2012 Thomas Preud'homme - * - * Based on i386-gen.c by Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifdef TARGET_DEFS_ONLY - -#if defined(TCC_ARM_EABI) && !defined(TCC_ARM_VFP) -#error "Currently TinyCC only supports float computation with VFP instructions" -#endif - -/* number of available registers */ -#ifdef TCC_ARM_VFP -#define NB_REGS 13 -#else -#define NB_REGS 9 -#endif - -typedef int RegArgs; - -#ifndef TCC_ARM_VERSION -#define TCC_ARM_VERSION 5 -#endif - -/* a register can belong to several classes. The classes must be - sorted from more general to more precise (see gv2() code which does - assumptions on it). */ -#define RC_INT 0x0001 /* generic integer register */ -#define RC_FLOAT 0x0002 /* generic float register */ -#define RC_R0 0x0004 -#define RC_R1 0x0008 -#define RC_R2 0x0010 -#define RC_R3 0x0020 -#define RC_R12 0x0040 -#define RC_F0 0x0080 -#define RC_F1 0x0100 -#define RC_F2 0x0200 -#define RC_F3 0x0400 -#ifdef TCC_ARM_VFP -#define RC_F4 0x0800 -#define RC_F5 0x1000 -#define RC_F6 0x2000 -#define RC_F7 0x4000 -#endif -#define RC_IRET RC_R0 /* function return: integer register */ -#define RC_LRET RC_R1 /* function return: second integer register */ -#define RC_FRET RC_F0 /* function return: float register */ - -/* pretty names for the registers */ -enum { - TREG_R0 = 0, - TREG_R1, - TREG_R2, - TREG_R3, - TREG_R12, - TREG_F0, - TREG_F1, - TREG_F2, - TREG_F3, -#ifdef TCC_ARM_VFP - TREG_F4, - TREG_F5, - TREG_F6, - TREG_F7, -#endif -}; - -#ifdef TCC_ARM_VFP -#define T2CPR(t) (((t)&VT_BTYPE) != VT_FLOAT ? 0x100 : 0) -#endif - -/* return registers for function */ -#define REG_IRET TREG_R0 /* single word int return register */ -#define REG_LRET TREG_R1 /* second word return register (for long long) */ -#define REG_FRET TREG_F0 /* float return register */ - -#ifdef TCC_ARM_EABI -#define TOK___divdi3 TOK___aeabi_ldivmod -#define TOK___moddi3 TOK___aeabi_ldivmod -#define TOK___udivdi3 TOK___aeabi_uldivmod -#define TOK___umoddi3 TOK___aeabi_uldivmod -#endif - -/* defined if function parameters must be evaluated in reverse order */ -#define INVERT_FUNC_PARAMS - -/* defined if structures are passed as pointers. Otherwise structures - are directly pushed on stack. */ -/* #define FUNC_STRUCT_PARAM_AS_PTR */ - -/* pointer size, in bytes */ -#define PTR_SIZE 4 - -/* long double size and alignment, in bytes */ -#ifdef TCC_ARM_VFP -#define LDOUBLE_SIZE 8 -#endif - -#ifndef LDOUBLE_SIZE -#define LDOUBLE_SIZE 8 -#endif - -#ifdef TCC_ARM_EABI -#define LDOUBLE_ALIGN 8 -#else -#define LDOUBLE_ALIGN 4 -#endif - -/* maximum alignment (for aligned attribute support) */ -#define MAX_ALIGN 8 - -#define CHAR_IS_UNSIGNED - -/******************************************************/ -/* ELF defines */ - -#define EM_TCC_TARGET EM_ARM - -/* relocation type for 32 bit data relocation */ -#define R_DATA_32 R_ARM_ABS32 -#define R_DATA_PTR R_ARM_ABS32 -#define R_JMP_SLOT R_ARM_JUMP_SLOT -#define R_COPY R_ARM_COPY - -#define ELF_START_ADDR 0x00008000 -#define ELF_PAGE_SIZE 0x1000 - -enum float_abi { - ARM_SOFTFP_FLOAT, - ARM_HARD_FLOAT, -}; - -/******************************************************/ -#else /* ! TARGET_DEFS_ONLY */ -/******************************************************/ -#include "../tcc.h" - -enum float_abi float_abi; - -ST_DATA const int reg_classes[NB_REGS] = { - /* r0 */ RC_INT | RC_R0, - /* r1 */ RC_INT | RC_R1, - /* r2 */ RC_INT | RC_R2, - /* r3 */ RC_INT | RC_R3, - /* r12 */ RC_INT | RC_R12, - /* f0 */ RC_FLOAT | RC_F0, - /* f1 */ RC_FLOAT | RC_F1, - /* f2 */ RC_FLOAT | RC_F2, - /* f3 */ RC_FLOAT | RC_F3, -#ifdef TCC_ARM_VFP - /* d4/s8 */ RC_FLOAT | RC_F4, - /* d5/s10 */ RC_FLOAT | RC_F5, - /* d6/s12 */ RC_FLOAT | RC_F6, - /* d7/s14 */ RC_FLOAT | RC_F7, -#endif -}; - -static int func_sub_sp_offset, last_itod_magic; -static int leaffunc; - -#if defined(TCC_ARM_EABI) && defined(TCC_ARM_VFP) -static CType float_type, double_type, func_float_type, func_double_type; -ST_FUNC void arm_init(struct TCCState* s) -{ - float_type.t = VT_FLOAT; - double_type.t = VT_DOUBLE; - func_float_type.t = VT_FUNC; - func_float_type.ref = - sym_push(SYM_FIELD, &float_type, FUNC_CDECL, FUNC_OLD); - func_double_type.t = VT_FUNC; - func_double_type.ref = - sym_push(SYM_FIELD, &double_type, FUNC_CDECL, FUNC_OLD); - - float_abi = s->float_abi; -#ifndef TCC_ARM_HARDFLOAT - tcc_warning("soft float ABI currently not supported: default to softfp"); -#endif -} -#else -#define func_float_type func_old_type -#define func_double_type func_old_type -#define func_ldouble_type func_old_type -ST_FUNC void arm_init(struct TCCState* s) -{ -#if !defined(TCC_ARM_VFP) - tcc_warning("Support for FPA is deprecated and will be removed in next" - " release"); -#endif -#if !defined(TCC_ARM_EABI) - tcc_warning("Support for OABI is deprecated and will be removed in next" - " release"); -#endif -} -#endif - -static int two2mask(int a, int b) -{ - return (reg_classes[a] | reg_classes[b]) & ~(RC_INT | RC_FLOAT); -} - -static int regmask(int r) -{ - return reg_classes[r] & ~(RC_INT | RC_FLOAT); -} - -/******************************************************/ - -#if defined(TCC_ARM_EABI) && !defined(CONFIG_TCC_ELFINTERP) -char* default_elfinterp(struct TCCState* s) -{ - if (s->float_abi == ARM_HARD_FLOAT) - return "/lib/ld-linux-armhf.so.3"; - else - return "/lib/ld-linux.so.3"; -} -#endif - -void o(uint32_t i) -{ - /* this is a good place to start adding big-endian support*/ - int ind1; - - ind1 = ind + 4; - if (!cur_text_section) - tcc_error("compiler error! This happens f.ex. if the compiler\n" - "can't evaluate constant expressions outside of a function."); - if (ind1 > cur_text_section->data_allocated) - section_realloc(cur_text_section, ind1); - cur_text_section->data[ind++] = i & 255; - i >>= 8; - cur_text_section->data[ind++] = i & 255; - i >>= 8; - cur_text_section->data[ind++] = i & 255; - i >>= 8; - cur_text_section->data[ind++] = i; -} - -static uint32_t stuff_const(uint32_t op, uint32_t c) -{ - int try_neg = 0; - uint32_t nc = 0, negop = 0; - - switch (op & 0x1F00000) { - case 0x800000: // add - case 0x400000: // sub - try_neg = 1; - negop = op ^ 0xC00000; - nc = -c; - break; - case 0x1A00000: // mov - case 0x1E00000: // mvn - try_neg = 1; - negop = op ^ 0x400000; - nc = ~c; - break; - case 0x200000: // xor - if (c == ~0) - return (op & 0xF010F000) | ((op >> 16) & 0xF) | 0x1E00000; - break; - case 0x0: // and - if (c == ~0) - return (op & 0xF010F000) | ((op >> 16) & 0xF) | 0x1A00000; - case 0x1C00000: // bic - try_neg = 1; - negop = op ^ 0x1C00000; - nc = ~c; - break; - case 0x1800000: // orr - if (c == ~0) - return (op & 0xFFF0FFFF) | 0x1E00000; - break; - } - do { - uint32_t m; - int i; - if (c < 256) /* catch undefined <<32 */ - return op | c; - for (i = 2; i < 32; i += 2) { - m = (0xff >> i) | (0xff << (32 - i)); - if (!(c & ~m)) - return op | (i << 7) | (c << i) | (c >> (32 - i)); - } - op = negop; - c = nc; - } while (try_neg--); - return 0; -} - -// only add,sub -void stuff_const_harder(uint32_t op, uint32_t v) -{ - uint32_t x; - x = stuff_const(op, v); - if (x) - o(x); - else { - uint32_t a[16], nv, no, o2, n2; - int i, j, k; - a[0] = 0xff; - o2 = (op & 0xfff0ffff) | ((op & 0xf000) << 4); - ; - for (i = 1; i < 16; i++) - a[i] = (a[i - 1] >> 2) | (a[i - 1] << 30); - for (i = 0; i < 12; i++) - for (j = i < 4 ? i + 12 : 15; j >= i + 4; j--) - if ((v & (a[i] | a[j])) == v) { - o(stuff_const(op, v & a[i])); - o(stuff_const(o2, v & a[j])); - return; - } - no = op ^ 0xC00000; - n2 = o2 ^ 0xC00000; - nv = -v; - for (i = 0; i < 12; i++) - for (j = i < 4 ? i + 12 : 15; j >= i + 4; j--) - if ((nv & (a[i] | a[j])) == nv) { - o(stuff_const(no, nv & a[i])); - o(stuff_const(n2, nv & a[j])); - return; - } - for (i = 0; i < 8; i++) - for (j = i + 4; j < 12; j++) - for (k = i < 4 ? i + 12 : 15; k >= j + 4; k--) - if ((v & (a[i] | a[j] | a[k])) == v) { - o(stuff_const(op, v & a[i])); - o(stuff_const(o2, v & a[j])); - o(stuff_const(o2, v & a[k])); - return; - } - no = op ^ 0xC00000; - nv = -v; - for (i = 0; i < 8; i++) - for (j = i + 4; j < 12; j++) - for (k = i < 4 ? i + 12 : 15; k >= j + 4; k--) - if ((nv & (a[i] | a[j] | a[k])) == nv) { - o(stuff_const(no, nv & a[i])); - o(stuff_const(n2, nv & a[j])); - o(stuff_const(n2, nv & a[k])); - return; - } - o(stuff_const(op, v & a[0])); - o(stuff_const(o2, v & a[4])); - o(stuff_const(o2, v & a[8])); - o(stuff_const(o2, v & a[12])); - } -} - -ST_FUNC uint32_t encbranch(int pos, int addr, int fail) -{ - addr -= pos + 8; - addr /= 4; - if (addr >= 0x1000000 || addr < -0x1000000) { - if (fail) - tcc_error("FIXME: function bigger than 32MB"); - return 0; - } - return 0x0A000000 | (addr & 0xffffff); -} - -int decbranch(int pos) -{ - int x; - x = *(uint32_t*)(cur_text_section->data + pos); - x &= 0x00ffffff; - if (x & 0x800000) - x -= 0x1000000; - return x * 4 + pos + 8; -} - -/* output a symbol and patch all calls to it */ -void gsym_addr(int t, int a) -{ - uint32_t* x; - int lt; - while (t) { - x = (uint32_t*)(cur_text_section->data + t); - t = decbranch(lt = t); - if (a == lt + 4) - *x = 0xE1A00000; // nop - else { - *x &= 0xff000000; - *x |= encbranch(lt, a, 1); - } - } -} - -void gsym(int t) -{ - gsym_addr(t, ind); -} - -#ifdef TCC_ARM_VFP -static uint32_t vfpr(int r) -{ - if (r < TREG_F0 || r > TREG_F7) - tcc_error("compiler error! register %i is no vfp register", r); - return r - 5; -} -#else -static uint32_t fpr(int r) -{ - if (r < TREG_F0 || r > TREG_F3) - tcc_error("compiler error! register %i is no fpa register", r); - return r - 5; -} -#endif - -static uint32_t intr(int r) -{ - if (r == 4) - return 12; - if ((r < 0 || r > 4) && r != 14) - tcc_error("compiler error! register %i is no int register", r); - return r; -} - -static void calcaddr(uint32_t* base, int* off, int* sgn, int maxoff, - unsigned shift) -{ - if (*off > maxoff || *off & ((1 << shift) - 1)) { - uint32_t x, y; - x = 0xE280E000; - if (*sgn) - x = 0xE240E000; - x |= (*base) << 16; - *base = 14; // lr - y = stuff_const(x, *off & ~maxoff); - if (y) { - o(y); - *off &= maxoff; - return; - } - y = stuff_const(x, (*off + maxoff) & ~maxoff); - if (y) { - o(y); - *sgn = !*sgn; - *off = ((*off + maxoff) & ~maxoff) - *off; - return; - } - stuff_const_harder(x, *off & ~maxoff); - *off &= maxoff; - } -} - -static uint32_t mapcc(int cc) -{ - switch (cc) { - case TOK_ULT: - return 0x30000000; /* CC/LO */ - case TOK_UGE: - return 0x20000000; /* CS/HS */ - case TOK_EQ: - return 0x00000000; /* EQ */ - case TOK_NE: - return 0x10000000; /* NE */ - case TOK_ULE: - return 0x90000000; /* LS */ - case TOK_UGT: - return 0x80000000; /* HI */ - case TOK_Nset: - return 0x40000000; /* MI */ - case TOK_Nclear: - return 0x50000000; /* PL */ - case TOK_LT: - return 0xB0000000; /* LT */ - case TOK_GE: - return 0xA0000000; /* GE */ - case TOK_LE: - return 0xD0000000; /* LE */ - case TOK_GT: - return 0xC0000000; /* GT */ - } - tcc_error("unexpected condition code"); - return 0xE0000000; /* AL */ -} - -static int negcc(int cc) -{ - switch (cc) { - case TOK_ULT: - return TOK_UGE; - case TOK_UGE: - return TOK_ULT; - case TOK_EQ: - return TOK_NE; - case TOK_NE: - return TOK_EQ; - case TOK_ULE: - return TOK_UGT; - case TOK_UGT: - return TOK_ULE; - case TOK_Nset: - return TOK_Nclear; - case TOK_Nclear: - return TOK_Nset; - case TOK_LT: - return TOK_GE; - case TOK_GE: - return TOK_LT; - case TOK_LE: - return TOK_GT; - case TOK_GT: - return TOK_LE; - } - tcc_error("unexpected condition code"); - return TOK_NE; -} - -/* load 'r' from value 'sv' */ -void load(int r, SValue* sv) -{ - int v, ft, fc, fr, sign; - uint32_t op; - SValue v1; - - fr = sv->r; - ft = sv->type.t; - fc = sv->c.ul; - - if (fc >= 0) - sign = 0; - else { - sign = 1; - fc = -fc; - } - - v = fr & VT_VALMASK; - if (fr & VT_LVAL) { - uint32_t base = 0xB; // fp - if (v == VT_LLOCAL) { - v1.type.t = VT_PTR; - v1.r = VT_LOCAL | VT_LVAL; - v1.c.ul = sv->c.ul; - load(base = 14 /* lr */, &v1); - fc = sign = 0; - v = VT_LOCAL; - } else if (v == VT_CONST) { - v1.type.t = VT_PTR; - v1.r = fr & ~VT_LVAL; - v1.c.ul = sv->c.ul; - v1.sym = sv->sym; - load(base = 14, &v1); - fc = sign = 0; - v = VT_LOCAL; - } else if (v < VT_CONST) { - base = intr(v); - fc = sign = 0; - v = VT_LOCAL; - } - if (v == VT_LOCAL) { - if (is_float(ft)) { - calcaddr(&base, &fc, &sign, 1020, 2); -#ifdef TCC_ARM_VFP - op = 0xED100A00; /* flds */ - if (!sign) - op |= 0x800000; - if ((ft & VT_BTYPE) != VT_FLOAT) - op |= 0x100; /* flds -> fldd */ - o(op | (vfpr(r) << 12) | (fc >> 2) | (base << 16)); -#else - op = 0xED100100; - if (!sign) - op |= 0x800000; -#if LDOUBLE_SIZE == 8 - if ((ft & VT_BTYPE) != VT_FLOAT) - op |= 0x8000; -#else - if ((ft & VT_BTYPE) == VT_DOUBLE) - op |= 0x8000; - else if ((ft & VT_BTYPE) == VT_LDOUBLE) - op |= 0x400000; -#endif - o(op | (fpr(r) << 12) | (fc >> 2) | (base << 16)); -#endif - } else if ((ft & (VT_BTYPE | VT_UNSIGNED)) == VT_BYTE || - (ft & VT_BTYPE) == VT_SHORT) { - calcaddr(&base, &fc, &sign, 255, 0); - op = 0xE1500090; - if ((ft & VT_BTYPE) == VT_SHORT) - op |= 0x20; - if ((ft & VT_UNSIGNED) == 0) - op |= 0x40; - if (!sign) - op |= 0x800000; - o(op | (intr(r) << 12) | (base << 16) | ((fc & 0xf0) << 4) | - (fc & 0xf)); - } else { - calcaddr(&base, &fc, &sign, 4095, 0); - op = 0xE5100000; - if (!sign) - op |= 0x800000; - if ((ft & VT_BTYPE) == VT_BYTE || (ft & VT_BTYPE) == VT_BOOL) - op |= 0x400000; - o(op | (intr(r) << 12) | fc | (base << 16)); - } - return; - } - } else { - if (v == VT_CONST) { - op = stuff_const(0xE3A00000 | (intr(r) << 12), sv->c.ul); - if (fr & VT_SYM || !op) { - o(0xE59F0000 | (intr(r) << 12)); - o(0xEA000000); - if (fr & VT_SYM) - greloc(cur_text_section, sv->sym, ind, R_ARM_ABS32); - o(sv->c.ul); - } else - o(op); - return; - } else if (v == VT_LOCAL) { - op = stuff_const(0xE28B0000 | (intr(r) << 12), sv->c.ul); - if (fr & VT_SYM || !op) { - o(0xE59F0000 | (intr(r) << 12)); - o(0xEA000000); - if (fr & VT_SYM) // needed ? - greloc(cur_text_section, sv->sym, ind, R_ARM_ABS32); - o(sv->c.ul); - o(0xE08B0000 | (intr(r) << 12) | intr(r)); - } else - o(op); - return; - } else if (v == VT_CMP) { - o(mapcc(sv->c.ul) | 0x3A00001 | (intr(r) << 12)); - o(mapcc(negcc(sv->c.ul)) | 0x3A00000 | (intr(r) << 12)); - return; - } else if (v == VT_JMP || v == VT_JMPI) { - int t; - t = v & 1; - o(0xE3A00000 | (intr(r) << 12) | t); - o(0xEA000000); - gsym(sv->c.ul); - o(0xE3A00000 | (intr(r) << 12) | (t ^ 1)); - return; - } else if (v < VT_CONST) { - if (is_float(ft)) -#ifdef TCC_ARM_VFP - o(0xEEB00A40 | (vfpr(r) << 12) | vfpr(v) | - T2CPR(ft)); /* fcpyX */ -#else - o(0xEE008180 | (fpr(r) << 12) | fpr(v)); -#endif - else - o(0xE1A00000 | (intr(r) << 12) | intr(v)); - return; - } - } - tcc_error("load unimplemented!"); -} - -/* store register 'r' in lvalue 'v' */ -void store(int r, SValue* sv) -{ - SValue v1; - int v, ft, fc, fr, sign; - uint32_t op; - - fr = sv->r; - ft = sv->type.t; - fc = sv->c.ul; - - if (fc >= 0) - sign = 0; - else { - sign = 1; - fc = -fc; - } - - v = fr & VT_VALMASK; - if (fr & VT_LVAL || fr == VT_LOCAL) { - uint32_t base = 0xb; - if (v < VT_CONST) { - base = intr(v); - v = VT_LOCAL; - fc = sign = 0; - } else if (v == VT_CONST) { - v1.type.t = ft; - v1.r = fr & ~VT_LVAL; - v1.c.ul = sv->c.ul; - v1.sym = sv->sym; - load(base = 14, &v1); - fc = sign = 0; - v = VT_LOCAL; - } - if (v == VT_LOCAL) { - if (is_float(ft)) { - calcaddr(&base, &fc, &sign, 1020, 2); -#ifdef TCC_ARM_VFP - op = 0xED000A00; /* fsts */ - if (!sign) - op |= 0x800000; - if ((ft & VT_BTYPE) != VT_FLOAT) - op |= 0x100; /* fsts -> fstd */ - o(op | (vfpr(r) << 12) | (fc >> 2) | (base << 16)); -#else - op = 0xED000100; - if (!sign) - op |= 0x800000; -#if LDOUBLE_SIZE == 8 - if ((ft & VT_BTYPE) != VT_FLOAT) - op |= 0x8000; -#else - if ((ft & VT_BTYPE) == VT_DOUBLE) - op |= 0x8000; - if ((ft & VT_BTYPE) == VT_LDOUBLE) - op |= 0x400000; -#endif - o(op | (fpr(r) << 12) | (fc >> 2) | (base << 16)); -#endif - return; - } else if ((ft & VT_BTYPE) == VT_SHORT) { - calcaddr(&base, &fc, &sign, 255, 0); - op = 0xE14000B0; - if (!sign) - op |= 0x800000; - o(op | (intr(r) << 12) | (base << 16) | ((fc & 0xf0) << 4) | - (fc & 0xf)); - } else { - calcaddr(&base, &fc, &sign, 4095, 0); - op = 0xE5000000; - if (!sign) - op |= 0x800000; - if ((ft & VT_BTYPE) == VT_BYTE || (ft & VT_BTYPE) == VT_BOOL) - op |= 0x400000; - o(op | (intr(r) << 12) | fc | (base << 16)); - } - return; - } - } - tcc_error("store unimplemented"); -} - -static void gadd_sp(int val) -{ - stuff_const_harder(0xE28DD000, val); -} - -/* 'is_jmp' is '1' if it is a jump */ -static void gcall_or_jmp(int is_jmp) -{ - int r; - if ((vtop->r & (VT_VALMASK | VT_LVAL)) == VT_CONST) { - uint32_t x; - /* constant case */ - x = encbranch(ind, ind + vtop->c.ul, 0); - if (x) { - if (vtop->r & VT_SYM) { - /* relocation case */ - greloc(cur_text_section, vtop->sym, ind, R_ARM_PC24); - } else - put_elf_reloc(symtab_section, cur_text_section, ind, R_ARM_PC24, - 0); - o(x | (is_jmp ? 0xE0000000 : 0xE1000000)); - } else { - if (!is_jmp) - o(0xE28FE004); // add lr,pc,#4 - o(0xE51FF004); // ldr pc,[pc,#-4] - if (vtop->r & VT_SYM) - greloc(cur_text_section, vtop->sym, ind, R_ARM_ABS32); - o(vtop->c.ul); - } - } else { - /* otherwise, indirect call */ - r = gv(RC_INT); - if (!is_jmp) - o(0xE1A0E00F); // mov lr,pc - o(0xE1A0F000 | intr(r)); // mov pc,r - } -} - -/* Return whether a structure is an homogeneous float aggregate or not. - The answer is true if all the elements of the structure are of the same - primitive float type and there is less than 4 elements. - - type: the type corresponding to the structure to be tested */ -static int is_hgen_float_aggr(CType* type) -{ - if ((type->t & VT_BTYPE) == VT_STRUCT) { - struct Sym* ref; - int btype, nb_fields = 0; - - ref = type->ref->next; - btype = ref->type.t & VT_BTYPE; - if (btype == VT_FLOAT || btype == VT_DOUBLE) { - for (; ref && btype == (ref->type.t & VT_BTYPE); - ref = ref->next, nb_fields++) - ; - return !ref && nb_fields <= 4; - } - } - return 0; -} - -struct avail_regs { - signed char - avail[3]; /* 3 holes max with only float and double alignments */ - int first_hole; /* first available hole */ - int last_hole; /* last available hole (none if equal to first_hole) */ - int first_free_reg; /* next free register in the sequence, hole excluded */ -}; - -#define AVAIL_REGS_INITIALIZER (struct avail_regs) { { 0, 0, 0}, 0, 0, 0 } - -/* Find suitable registers for a VFP Co-Processor Register Candidate (VFP CPRC - param) according to the rules described in the procedure call standard for - the ARM architecture (AAPCS). If found, the registers are assigned to this - VFP CPRC parameter. Registers are allocated in sequence unless a hole exists - and the parameter is a single float. - - avregs: opaque structure to keep track of available VFP co-processor regs - align: alignment contraints for the param, as returned by type_size() - size: size of the parameter, as returned by type_size() */ -int assign_vfpreg(struct avail_regs* avregs, int align, int size) -{ - int first_reg = 0; - - if (avregs->first_free_reg == -1) - return -1; - if (align >> 3) { /* double alignment */ - first_reg = avregs->first_free_reg; - /* alignment contraint not respected so use next reg and record hole */ - if (first_reg & 1) - avregs->avail[avregs->last_hole++] = first_reg++; - } else { /* no special alignment (float or array of float) */ - /* if single float and a hole is available, assign the param to it */ - if (size == 4 && avregs->first_hole != avregs->last_hole) - return avregs->avail[avregs->first_hole++]; - else - first_reg = avregs->first_free_reg; - } - if (first_reg + size / 4 <= 16) { - avregs->first_free_reg = first_reg + size / 4; - return first_reg; - } - avregs->first_free_reg = -1; - return -1; -} - -/* Returns whether all params need to be passed in core registers or not. - This is the case for function part of the runtime ABI. */ -int floats_in_core_regs(SValue* sval) -{ - if (!sval->sym) - return 0; - - switch (sval->sym->v) { - case TOK___floatundisf: - case TOK___floatundidf: - case TOK___fixunssfdi: - case TOK___fixunsdfdi: -#ifndef TCC_ARM_VFP - case TOK___fixunsxfdi: -#endif - case TOK___floatdisf: - case TOK___floatdidf: - case TOK___fixsfdi: - case TOK___fixdfdi: - return 1; - - default: - return 0; - } -} - -ST_FUNC int regargs_nregs(RegArgs* args) -{ - return *args; -} - -/* Return the number of registers needed to return the struct, or 0 if - returning via struct pointer. */ -ST_FUNC int gfunc_sret(CType* vt, int variadic, CType* ret, int* ret_align, - int* regsize, RegArgs* args) -{ -#ifdef TCC_ARM_EABI - int size, align; - size = type_size(vt, &align); - if (float_abi == ARM_HARD_FLOAT && !variadic && - (is_float(vt->t) || is_hgen_float_aggr(vt))) { - *ret_align = 8; - *regsize = 8; - ret->ref = NULL; - ret->t = VT_DOUBLE; - *args = (size + 7) >> 3; - } else if (size <= 4) { - *ret_align = 4; - *regsize = 4; - ret->ref = NULL; - ret->t = VT_INT; - *args = 1; - } else - *args = 0; -#else - *args = 0; -#endif - - return *args != 0; -} - -/* Parameters are classified according to how they are copied to their final - destination for the function call. Because the copying is performed class - after class according to the order in the union below, it is important that - some constraints about the order of the members of this union are respected: - - CORE_STRUCT_CLASS must come after STACK_CLASS; - - CORE_CLASS must come after STACK_CLASS, CORE_STRUCT_CLASS and - VFP_STRUCT_CLASS; - - VFP_STRUCT_CLASS must come after VFP_CLASS. - See the comment for the main loop in copy_params() for the reason. */ -enum reg_class { - STACK_CLASS = 0, - CORE_STRUCT_CLASS, - VFP_CLASS, - VFP_STRUCT_CLASS, - CORE_CLASS, - NB_CLASSES -}; - -struct param_plan { - int start; /* first reg or addr used depending on the class */ - int end; /* last reg used or next free addr depending on the class */ - SValue* sval; /* pointer to SValue on the value stack */ - struct param_plan* prev; /* previous element in this class */ -}; - -struct plan { - struct param_plan* pplans; /* array of all the param plans */ - struct param_plan* - clsplans[NB_CLASSES]; /* per class lists of param plans */ -}; - -#define add_param_plan(plan, pplan, class) \ - do { \ - pplan.prev = plan->clsplans[class]; \ - plan->pplans[plan##_nb] = pplan; \ - plan->clsplans[class] = &plan->pplans[plan##_nb++]; \ - } while (0) - -/* Assign parameters to registers and stack with alignment according to the - rules in the procedure call standard for the ARM architecture (AAPCS). - The overall assignment is recorded in an array of per parameter structures - called parameter plans. The parameter plans are also further organized in a - number of linked lists, one per class of parameter (see the comment for the - definition of union reg_class). - - nb_args: number of parameters of the function for which a call is generated - float_abi: float ABI in use for this function call - plan: the structure where the overall assignment is recorded - todo: a bitmap that record which core registers hold a parameter - - Returns the amount of stack space needed for parameter passing - - Note: this function allocated an array in plan->pplans with tcc_malloc. It - is the responsibility of the caller to free this array once used (ie not - before copy_params). */ -static int assign_regs(int nb_args, int float_abi, struct plan* plan, int* todo) -{ - int i, size, align; - int ncrn /* next core register number */, - nsaa /* next stacked argument address*/; - int plan_nb = 0; - struct param_plan pplan; - struct avail_regs avregs = AVAIL_REGS_INITIALIZER; - - ncrn = nsaa = 0; - *todo = 0; - plan->pplans = tcc_malloc(nb_args * sizeof(*plan->pplans)); - memset(plan->clsplans, 0, sizeof(plan->clsplans)); - for (i = nb_args; i--;) { - int j, start_vfpreg = 0; - CType type = vtop[-i].type; - type.t &= ~VT_ARRAY; - size = type_size(&type, &align); - size = (size + 3) & ~3; - align = (align + 3) & ~3; - switch (vtop[-i].type.t & VT_BTYPE) { - case VT_STRUCT: - case VT_FLOAT: - case VT_DOUBLE: - case VT_LDOUBLE: - if (float_abi == ARM_HARD_FLOAT) { - int is_hfa = 0; /* Homogeneous float aggregate */ - - if (is_float(vtop[-i].type.t) || - (is_hfa = is_hgen_float_aggr(&vtop[-i].type))) { - int end_vfpreg; - - start_vfpreg = assign_vfpreg(&avregs, align, size); - end_vfpreg = start_vfpreg + ((size - 1) >> 2); - if (start_vfpreg >= 0) { - pplan = (struct param_plan){start_vfpreg, end_vfpreg, - &vtop[-i]}; - if (is_hfa) - add_param_plan(plan, pplan, VFP_STRUCT_CLASS); - else - add_param_plan(plan, pplan, VFP_CLASS); - continue; - } else - break; - } - } - ncrn = (ncrn + (align - 1) / 4) & ~((align / 4) - 1); - if (ncrn + size / 4 <= 4 || (ncrn < 4 && start_vfpreg != -1)) { - /* The parameter is allocated both in core register and on - * stack. As - * such, it can be of either class: it would either be the last of - * CORE_STRUCT_CLASS or the first of STACK_CLASS. */ - for (j = ncrn; j < 4 && j < ncrn + size / 4; j++) - *todo |= (1 << j); - pplan = (struct param_plan){ncrn, j, &vtop[-i]}; - add_param_plan(plan, pplan, CORE_STRUCT_CLASS); - ncrn += size / 4; - if (ncrn > 4) - nsaa = (ncrn - 4) * 4; - } else { - ncrn = 4; - break; - } - continue; - default: - if (ncrn < 4) { - int is_long = (vtop[-i].type.t & VT_BTYPE) == VT_LLONG; - - if (is_long) { - ncrn = (ncrn + 1) & -2; - if (ncrn == 4) - break; - } - pplan = (struct param_plan){ncrn, ncrn, &vtop[-i]}; - ncrn++; - if (is_long) - pplan.end = ncrn++; - add_param_plan(plan, pplan, CORE_CLASS); - continue; - } - } - nsaa = (nsaa + (align - 1)) & ~(align - 1); - pplan = (struct param_plan){nsaa, nsaa + size, &vtop[-i]}; - add_param_plan(plan, pplan, STACK_CLASS); - nsaa += size; /* size already rounded up before */ - } - return nsaa; -} - -#undef add_param_plan - -/* Copy parameters to their final destination (core reg, VFP reg or stack) for - function call. - - nb_args: number of parameters the function take - plan: the overall assignment plan for parameters - todo: a bitmap indicating what core reg will hold a parameter - - Returns the number of SValue added by this function on the value stack */ -static int copy_params(int nb_args, struct plan* plan, int todo) -{ - int size, align, r, i, nb_extra_sval = 0; - struct param_plan* pplan; - - /* Several constraints require parameters to be copied in a specific order: - - structures are copied to the stack before being loaded in a reg; - - floats loaded to an odd numbered VFP reg are first copied to the - preceding even numbered VFP reg and then moved to the next VFP reg. - - It is thus important that: - - structures assigned to core regs must be copied after parameters - assigned to the stack but before structures assigned to VFP regs - because a structure can lie partly in core registers and partly on - the stack; - - parameters assigned to the stack and all structures be copied before - parameters assigned to a core reg since copying a parameter to the - stack require using a core reg; - - parameters assigned to VFP regs be copied before structures assigned to - VFP regs as the copy might use an even numbered VFP reg that already - holds part of a structure. */ - for (i = 0; i < NB_CLASSES; i++) { - for (pplan = plan->clsplans[i]; pplan; pplan = pplan->prev) { - vpushv(pplan->sval); - pplan->sval->r = pplan->sval->r2 = VT_CONST; /* disable entry */ - switch (i) { - case STACK_CLASS: - case CORE_STRUCT_CLASS: - case VFP_STRUCT_CLASS: - if ((pplan->sval->type.t & VT_BTYPE) == VT_STRUCT) { - int padding = 0; - size = type_size(&pplan->sval->type, &align); - /* align to stack align size */ - size = (size + 3) & ~3; - if (i == STACK_CLASS && pplan->prev) - padding = pplan->start - pplan->prev->end; - size += padding; /* Add padding if any */ - /* allocate the necessary size on stack */ - gadd_sp(-size); - /* generate structure store */ - r = get_reg(RC_INT); - o(0xE28D0000 | (intr(r) << 12) | - padding); /* add r, sp, padding */ - vset(&vtop->type, r | VT_LVAL, 0); - vswap(); - vstore(); /* memcpy to current sp + potential padding */ - - /* Homogeneous float aggregate are loaded to VFP registers - immediately since there is no way of loading data in - multiple non consecutive VFP registers as what is done - for other structures (see the use of todo). */ - if (i == VFP_STRUCT_CLASS) { - int first = pplan->start, nb = pplan->end - first + 1; - /* vpop.32 {pplan->start, ..., pplan->end} */ - o(0xECBD0A00 | (first & 1) << 22 | (first >> 1) << 12 | - nb); - /* No need to write the register used to a SValue since - VFP regs cannot be used for gcall_or_jmp */ - } - } else { - if (is_float(pplan->sval->type.t)) { -#ifdef TCC_ARM_VFP - r = vfpr(gv(RC_FLOAT)) << 12; - if ((pplan->sval->type.t & VT_BTYPE) == VT_FLOAT) - size = 4; - else { - size = 8; - r |= 0x101; /* vpush.32 -> vpush.64 */ - } - o(0xED2D0A01 + r); /* vpush */ -#else - r = fpr(gv(RC_FLOAT)) << 12; - if ((pplan->sval->type.t & VT_BTYPE) == VT_FLOAT) - size = 4; - else if ((pplan->sval->type.t & VT_BTYPE) == VT_DOUBLE) - size = 8; - else - size = LDOUBLE_SIZE; - - if (size == 12) - r |= 0x400000; - else if (size == 8) - r |= 0x8000; - - o(0xED2D0100 | r | (size >> 2)); /* some kind of vpush for FPA */ -#endif - } else { - /* simple type (currently always same size) */ - /* XXX: implicit cast ? */ - size = 4; - if ((pplan->sval->type.t & VT_BTYPE) == VT_LLONG) { - lexpand_nr(); - size = 8; - r = gv(RC_INT); - o(0xE52D0004 | (intr(r) << 12)); /* push r */ - vtop--; - } - r = gv(RC_INT); - o(0xE52D0004 | (intr(r) << 12)); /* push r */ - } - if (i == STACK_CLASS && pplan->prev) - gadd_sp(pplan->prev->end - - pplan->start); /* Add padding if any */ - } - break; - - case VFP_CLASS: - gv(regmask(TREG_F0 + (pplan->start >> 1))); - if (pplan->start & - 1) { /* Must be in upper part of double register */ - o(0xEEF00A40 | ((pplan->start >> 1) << 12) | - (pplan->start >> 1)); /* vmov.f32 s(n+1), sn */ - vtop->r = - VT_CONST; /* avoid being saved on stack by gv for next - float */ - } - break; - - case CORE_CLASS: - if ((pplan->sval->type.t & VT_BTYPE) == VT_LLONG) { - lexpand_nr(); - gv(regmask(pplan->end)); - pplan->sval->r2 = vtop->r; - vtop--; - } - gv(regmask(pplan->start)); - /* Mark register as used so that gcall_or_jmp use another one - (regs >=4 are free as never used to pass parameters) */ - pplan->sval->r = vtop->r; - break; - } - vtop--; - } - } - - /* Manually free remaining registers since next parameters are loaded - * manually, without the help of gv(int). */ - save_regs(nb_args); - - if (todo) { - o(0xE8BD0000 | todo); /* pop {todo} */ - for (pplan = plan->clsplans[CORE_STRUCT_CLASS]; pplan; - pplan = pplan->prev) { - int r; - pplan->sval->r = pplan->start; - /* An SValue can only pin 2 registers at best (r and r2) but a - structure can occupy more than 2 registers. Thus, we need to - push on the value stack some fake parameter to have on SValue - for each registers used by a structure (r2 is not used). */ - for (r = pplan->start + 1; r <= pplan->end; r++) { - if (todo & (1 << r)) { - nb_extra_sval++; - vpushi(0); - vtop->r = r; - } - } - } - } - return nb_extra_sval; -} - -/* Generate function call. The function address is pushed first, then - all the parameters in call order. This functions pops all the - parameters and the function address. */ -void gfunc_call(int nb_args) -{ - int r, args_size; - int def_float_abi = float_abi; - int todo; - struct plan plan; - -#ifdef TCC_ARM_EABI - int variadic; - - if (float_abi == ARM_HARD_FLOAT) { - variadic = (vtop[-nb_args].type.ref->c == FUNC_ELLIPSIS); - if (variadic || floats_in_core_regs(&vtop[-nb_args])) - float_abi = ARM_SOFTFP_FLOAT; - } -#endif - /* cannot let cpu flags if other instruction are generated. Also avoid - leaving VT_JMP anywhere except on the top of the stack because it - would complicate the code generator. */ - r = vtop->r & VT_VALMASK; - if (r == VT_CMP || (r & ~1) == VT_JMP) - gv(RC_INT); - - args_size = assign_regs(nb_args, float_abi, &plan, &todo); - -#ifdef TCC_ARM_EABI - if (args_size & 7) { /* Stack must be 8 byte aligned at fct call for EABI */ - args_size = (args_size + 7) & ~7; - o(0xE24DD004); /* sub sp, sp, #4 */ - } -#endif - - nb_args += copy_params(nb_args, &plan, todo); - tcc_free(plan.pplans); - - /* Move fct SValue on top as required by gcall_or_jmp */ - vrotb(nb_args + 1); - gcall_or_jmp(0); - if (args_size) - gadd_sp(args_size); /* pop all parameters passed on the stack */ -#if defined(TCC_ARM_EABI) && defined(TCC_ARM_VFP) - if (float_abi == ARM_SOFTFP_FLOAT && is_float(vtop->type.ref->type.t)) { - if ((vtop->type.ref->type.t & VT_BTYPE) == VT_FLOAT) { - o(0xEE000A10); /*vmov s0, r0 */ - } else { - o(0xEE000B10); /* vmov.32 d0[0], r0 */ - o(0xEE201B10); /* vmov.32 d0[1], r1 */ - } - } -#endif - vtop -= nb_args + 1; /* Pop all params and fct address from value stack */ - leaffunc = - 0; /* we are calling a function, so we aren't in a leaf function */ - float_abi = def_float_abi; -} - -/* generate function prolog of type 't' */ -void gfunc_prolog(CType* func_type) -{ - Sym* sym, *sym2; - int n, nf, size, align, rs, struct_ret = 0; - int addr, pn, sn; /* pn=core, sn=stack */ - CType ret_type; - RegArgs dummy; - -#ifdef TCC_ARM_EABI - struct avail_regs avregs = AVAIL_REGS_INITIALIZER; -#endif - - sym = func_type->ref; - func_vt = sym->type; - func_var = (func_type->ref->c == FUNC_ELLIPSIS); - - n = nf = 0; - if ((func_vt.t & VT_BTYPE) == VT_STRUCT && - !gfunc_sret(&func_vt, func_var, &ret_type, &align, &rs, &dummy)) { - n++; - struct_ret = 1; - func_vc = 12; /* Offset from fp of the place to store the result */ - } - for (sym2 = sym->next; sym2 && (n < 4 || nf < 16); sym2 = sym2->next) { - size = type_size(&sym2->type, &align); -#ifdef TCC_ARM_EABI - if (float_abi == ARM_HARD_FLOAT && !func_var && - (is_float(sym2->type.t) || is_hgen_float_aggr(&sym2->type))) { - int tmpnf = assign_vfpreg(&avregs, align, size); - tmpnf += (size + 3) / 4; - nf = (tmpnf > nf) ? tmpnf : nf; - } else -#endif - if (n < 4) - n += (size + 3) / 4; - } - o(0xE1A0C00D); /* mov ip,sp */ - if (func_var) - n = 4; - if (n) { - if (n > 4) - n = 4; -#ifdef TCC_ARM_EABI - n = (n + 1) & -2; -#endif - o(0xE92D0000 | ((1 << n) - 1)); /* save r0-r4 on stack if needed */ - } - if (nf) { - if (nf > 16) - nf = 16; - nf = (nf + 1) & -2; /* nf => HARDFLOAT => EABI */ - o(0xED2D0A00 | nf); /* save s0-s15 on stack if needed */ - } - o(0xE92D5800); /* save fp, ip, lr */ - o(0xE1A0B00D); /* mov fp, sp */ - func_sub_sp_offset = ind; - o(0xE1A00000); /* nop, leave space for stack adjustment in epilog */ - -#ifdef TCC_ARM_EABI - if (float_abi == ARM_HARD_FLOAT) { - func_vc += nf * 4; - avregs = AVAIL_REGS_INITIALIZER; - } -#endif - pn = struct_ret, sn = 0; - while ((sym = sym->next)) { - CType* type; - type = &sym->type; - size = type_size(type, &align); - size = (size + 3) >> 2; - align = (align + 3) & ~3; -#ifdef TCC_ARM_EABI - if (float_abi == ARM_HARD_FLOAT && !func_var && - (is_float(sym->type.t) || is_hgen_float_aggr(&sym->type))) { - int fpn = assign_vfpreg(&avregs, align, size << 2); - if (fpn >= 0) - addr = fpn * 4; - else - goto from_stack; - } else -#endif - if (pn < 4) { -#ifdef TCC_ARM_EABI - pn = (pn + (align - 1) / 4) & -(align / 4); -#endif - addr = (nf + pn) * 4; - pn += size; - if (!sn && pn > 4) - sn = (pn - 4); - } else { -#ifdef TCC_ARM_EABI - from_stack: - sn = (sn + (align - 1) / 4) & -(align / 4); -#endif - addr = (n + nf + sn) * 4; - sn += size; - } - sym_push(sym->v & ~SYM_FIELD, type, VT_LOCAL | lvalue_type(type->t), - addr + 12); - } - last_itod_magic = 0; - leaffunc = 1; - loc = 0; -} - -/* generate function epilog */ -void gfunc_epilog(void) -{ - uint32_t x; - int diff; -/* Copy float return value to core register if base standard is used and - float computation is made with VFP */ -#if defined(TCC_ARM_EABI) && defined(TCC_ARM_VFP) - if ((float_abi == ARM_SOFTFP_FLOAT || func_var) && is_float(func_vt.t)) { - if ((func_vt.t & VT_BTYPE) == VT_FLOAT) - o(0xEE100A10); /* fmrs r0, s0 */ - else { - o(0xEE100B10); /* fmrdl r0, d0 */ - o(0xEE301B10); /* fmrdh r1, d0 */ - } - } -#endif - o(0xE89BA800); /* restore fp, sp, pc */ - diff = (-loc + 3) & -4; -#ifdef TCC_ARM_EABI - if (!leaffunc) - diff = ((diff + 11) & -8) - 4; -#endif - if (diff > 0) { - x = stuff_const(0xE24BD000, diff); /* sub sp,fp,# */ - if (x) - *(uint32_t*)(cur_text_section->data + func_sub_sp_offset) = x; - else { - int addr; - addr = ind; - o(0xE59FC004); /* ldr ip,[pc+4] */ - o(0xE04BD00C); /* sub sp,fp,ip */ - o(0xE1A0F00E); /* mov pc,lr */ - o(diff); - *(uint32_t*)(cur_text_section->data + func_sub_sp_offset) = - 0xE1000000 | encbranch(func_sub_sp_offset, addr, 1); - } - } -} - -/* generate a jump to a label */ -int gjmp(int t) -{ - int r; - r = ind; - o(0xE0000000 | encbranch(r, t, 1)); - return r; -} - -/* generate a jump to a fixed address */ -void gjmp_addr(int a) -{ - gjmp(a); -} - -/* generate a test. set 'inv' to invert test. Stack entry is popped */ -int gtst(int inv, int t) -{ - int v, r; - uint32_t op; - v = vtop->r & VT_VALMASK; - r = ind; - if (v == VT_CMP) { - op = mapcc(inv ? negcc(vtop->c.i) : vtop->c.i); - op |= encbranch(r, t, 1); - o(op); - t = r; - } else if (v == VT_JMP || v == VT_JMPI) { - if ((v & 1) == inv) { - if (!vtop->c.i) - vtop->c.i = t; - else { - uint32_t* x; - int p, lp; - if (t) { - p = vtop->c.i; - do { - p = decbranch(lp = p); - } while (p); - x = (uint32_t*)(cur_text_section->data + lp); - *x &= 0xff000000; - *x |= encbranch(lp, t, 1); - } - t = vtop->c.i; - } - } else { - t = gjmp(t); - gsym(vtop->c.i); - } - } - vtop--; - return t; -} - -/* generate an integer binary operation */ -void gen_opi(int op) -{ - int c, func = 0; - uint32_t opc = 0, r, fr; - unsigned short retreg = REG_IRET; - - c = 0; - switch (op) { - case '+': - opc = 0x8; - c = 1; - break; - case TOK_ADDC1: /* add with carry generation */ - opc = 0x9; - c = 1; - break; - case '-': - opc = 0x4; - c = 1; - break; - case TOK_SUBC1: /* sub with carry generation */ - opc = 0x5; - c = 1; - break; - case TOK_ADDC2: /* add with carry use */ - opc = 0xA; - c = 1; - break; - case TOK_SUBC2: /* sub with carry use */ - opc = 0xC; - c = 1; - break; - case '&': - opc = 0x0; - c = 1; - break; - case '^': - opc = 0x2; - c = 1; - break; - case '|': - opc = 0x18; - c = 1; - break; - case '*': - gv2(RC_INT, RC_INT); - r = vtop[-1].r; - fr = vtop[0].r; - vtop--; - o(0xE0000090 | (intr(r) << 16) | (intr(r) << 8) | intr(fr)); - return; - case TOK_SHL: - opc = 0; - c = 2; - break; - case TOK_SHR: - opc = 1; - c = 2; - break; - case TOK_SAR: - opc = 2; - c = 2; - break; - case '/': - case TOK_PDIV: - func = TOK___divsi3; - c = 3; - break; - case TOK_UDIV: - func = TOK___udivsi3; - c = 3; - break; - case '%': -#ifdef TCC_ARM_EABI - func = TOK___aeabi_idivmod; - retreg = REG_LRET; -#else - func = TOK___modsi3; -#endif - c = 3; - break; - case TOK_UMOD: -#ifdef TCC_ARM_EABI - func = TOK___aeabi_uidivmod; - retreg = REG_LRET; -#else - func = TOK___umodsi3; -#endif - c = 3; - break; - case TOK_UMULL: - gv2(RC_INT, RC_INT); - r = intr(vtop[-1].r2 = get_reg(RC_INT)); - c = vtop[-1].r; - vtop[-1].r = get_reg_ex(RC_INT, regmask(c)); - vtop--; - o(0xE0800090 | (r << 16) | (intr(vtop->r) << 12) | (intr(c) << 8) | - intr(vtop[1].r)); - return; - default: - opc = 0x15; - c = 1; - break; - } - switch (c) { - case 1: - if ((vtop[-1].r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) { - if (opc == 4 || opc == 5 || opc == 0xc) { - vswap(); - opc |= 2; // sub -> rsb - } - } - if ((vtop->r & VT_VALMASK) == VT_CMP || - (vtop->r & (VT_VALMASK & ~1)) == VT_JMP) - gv(RC_INT); - vswap(); - c = intr(gv(RC_INT)); - vswap(); - opc = 0xE0000000 | (opc << 20) | (c << 16); - if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) { - uint32_t x; - x = stuff_const(opc | 0x2000000, vtop->c.i); - if (x) { - r = intr(vtop[-1].r = get_reg_ex(RC_INT, regmask(vtop[-1].r))); - o(x | (r << 12)); - goto done; - } - } - fr = intr(gv(RC_INT)); - r = intr(vtop[-1].r = - get_reg_ex(RC_INT, two2mask(vtop->r, vtop[-1].r))); - o(opc | (r << 12) | fr); - done: - vtop--; - if (op >= TOK_ULT && op <= TOK_GT) { - vtop->r = VT_CMP; - vtop->c.i = op; - } - break; - case 2: - opc = 0xE1A00000 | (opc << 5); - if ((vtop->r & VT_VALMASK) == VT_CMP || - (vtop->r & (VT_VALMASK & ~1)) == VT_JMP) - gv(RC_INT); - vswap(); - r = intr(gv(RC_INT)); - vswap(); - opc |= r; - if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) { - fr = intr(vtop[-1].r = get_reg_ex(RC_INT, regmask(vtop[-1].r))); - c = vtop->c.i & 0x1f; - o(opc | (c << 7) | (fr << 12)); - } else { - fr = intr(gv(RC_INT)); - c = intr(vtop[-1].r = - get_reg_ex(RC_INT, two2mask(vtop->r, vtop[-1].r))); - o(opc | (c << 12) | (fr << 8) | 0x10); - } - vtop--; - break; - case 3: - vpush_global_sym(&func_old_type, func); - vrott(3); - gfunc_call(2); - vpushi(0); - vtop->r = retreg; - break; - default: - tcc_error("gen_opi %i unimplemented!", op); - } -} - -#ifdef TCC_ARM_VFP -static int is_zero(int i) -{ - if ((vtop[i].r & (VT_VALMASK | VT_LVAL | VT_SYM)) != VT_CONST) - return 0; - if (vtop[i].type.t == VT_FLOAT) - return (vtop[i].c.f == 0.f); - else if (vtop[i].type.t == VT_DOUBLE) - return (vtop[i].c.d == 0.0); - return (vtop[i].c.ld == 0.l); -} - -/* generate a floating point operation 'v = t1 op t2' instruction. The - * two operands are guaranted to have the same floating point type */ -void gen_opf(int op) -{ - uint32_t x; - int fneg = 0, r; - x = 0xEE000A00 | T2CPR(vtop->type.t); - switch (op) { - case '+': - if (is_zero(-1)) - vswap(); - if (is_zero(0)) { - vtop--; - return; - } - x |= 0x300000; - break; - case '-': - x |= 0x300040; - if (is_zero(0)) { - vtop--; - return; - } - if (is_zero(-1)) { - x |= 0x810000; /* fsubX -> fnegX */ - vswap(); - vtop--; - fneg = 1; - } - break; - case '*': - x |= 0x200000; - break; - case '/': - x |= 0x800000; - break; - default: - if (op < TOK_ULT || op > TOK_GT) { - tcc_error("unknown fp op %x!", op); - return; - } - if (is_zero(-1)) { - vswap(); - switch(op) { - case TOK_LT: op = TOK_GT; break; - case TOK_GE: op = TOK_ULE; break; - case TOK_LE: op = TOK_GE; break; - case TOK_GT: op = TOK_ULT; break; - } - } - x |= 0xB40040; /* fcmpX */ - if (op != TOK_EQ && op != TOK_NE) - x |= 0x80; /* fcmpX -> fcmpeX */ - if (is_zero(0)) { - vtop--; - o(x | 0x10000 | - (vfpr(gv(RC_FLOAT)) << 12)); /* fcmp(e)X -> fcmp(e)zX */ - } else { - x |= vfpr(gv(RC_FLOAT)); - vswap(); - o(x | (vfpr(gv(RC_FLOAT)) << 12)); - vtop--; - } - o(0xEEF1FA10); /* fmstat */ - - switch(op) { - case TOK_LE: op = TOK_ULE; break; - case TOK_LT: op = TOK_ULT; break; - case TOK_UGE: op = TOK_GE; break; - case TOK_UGT: op = TOK_GT; break; - } - - vtop->r = VT_CMP; - vtop->c.i = op; - return; - } - r = gv(RC_FLOAT); - x |= vfpr(r); - r = regmask(r); - if (!fneg) { - int r2; - vswap(); - r2 = gv(RC_FLOAT); - x |= vfpr(r2) << 16; - r |= regmask(r2); - } - vtop->r = get_reg_ex(RC_FLOAT, r); - if (!fneg) - vtop--; - o(x | (vfpr(vtop->r) << 12)); -} - -#else -static uint32_t is_fconst() -{ - long double f; - uint32_t r; - if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) != VT_CONST) - return 0; - if (vtop->type.t == VT_FLOAT) - f = vtop->c.f; - else if (vtop->type.t == VT_DOUBLE) - f = vtop->c.d; - else - f = vtop->c.ld; - if (!ieee_finite(f)) - return 0; - r = 0x8; - if (f < 0.0) { - r = 0x18; - f = -f; - } - if (f == 0.0) - return r; - if (f == 1.0) - return r | 1; - if (f == 2.0) - return r | 2; - if (f == 3.0) - return r | 3; - if (f == 4.0) - return r | 4; - if (f == 5.0) - return r | 5; - if (f == 0.5) - return r | 6; - if (f == 10.0) - return r | 7; - return 0; -} - -/* generate a floating point operation 'v = t1 op t2' instruction. The - two operands are guaranted to have the same floating point type */ -void gen_opf(int op) -{ - uint32_t x, r, r2, c1, c2; - // fputs("gen_opf\n",stderr); - vswap(); - c1 = is_fconst(); - vswap(); - c2 = is_fconst(); - x = 0xEE000100; -#if LDOUBLE_SIZE == 8 - if ((vtop->type.t & VT_BTYPE) != VT_FLOAT) - x |= 0x80; -#else - if ((vtop->type.t & VT_BTYPE) == VT_DOUBLE) - x |= 0x80; - else if ((vtop->type.t & VT_BTYPE) == VT_LDOUBLE) - x |= 0x80000; -#endif - switch (op) { - case '+': - if (!c2) { - vswap(); - c2 = c1; - } - vswap(); - r = fpr(gv(RC_FLOAT)); - vswap(); - if (c2) { - if (c2 > 0xf) - x |= 0x200000; // suf - r2 = c2 & 0xf; - } else { - r2 = fpr(gv(RC_FLOAT)); - } - break; - case '-': - if (c2) { - if (c2 <= 0xf) - x |= 0x200000; // suf - r2 = c2 & 0xf; - vswap(); - r = fpr(gv(RC_FLOAT)); - vswap(); - } else if (c1 && c1 <= 0xf) { - x |= 0x300000; // rsf - r2 = c1; - r = fpr(gv(RC_FLOAT)); - vswap(); - } else { - x |= 0x200000; // suf - vswap(); - r = fpr(gv(RC_FLOAT)); - vswap(); - r2 = fpr(gv(RC_FLOAT)); - } - break; - case '*': - if (!c2 || c2 > 0xf) { - vswap(); - c2 = c1; - } - vswap(); - r = fpr(gv(RC_FLOAT)); - vswap(); - if (c2 && c2 <= 0xf) - r2 = c2; - else - r2 = fpr(gv(RC_FLOAT)); - x |= 0x100000; // muf - break; - case '/': - if (c2 && c2 <= 0xf) { - x |= 0x400000; // dvf - r2 = c2; - vswap(); - r = fpr(gv(RC_FLOAT)); - vswap(); - } else if (c1 && c1 <= 0xf) { - x |= 0x500000; // rdf - r2 = c1; - r = fpr(gv(RC_FLOAT)); - vswap(); - } else { - x |= 0x400000; // dvf - vswap(); - r = fpr(gv(RC_FLOAT)); - vswap(); - r2 = fpr(gv(RC_FLOAT)); - } - break; - default: - if (op >= TOK_ULT && op <= TOK_GT) { - x |= 0xd0f110; // cmfe - /* bug (intention?) in Linux FPU emulator - doesn't set carry if equal */ - switch (op) { - case TOK_ULT: - case TOK_UGE: - case TOK_ULE: - case TOK_UGT: - tcc_error("unsigned comparison on floats?"); - break; - case TOK_LT: - op = TOK_Nset; - break; - case TOK_LE: - op = TOK_ULE; /* correct in unordered case only if AC bit in - FPSR set */ - break; - case TOK_EQ: - case TOK_NE: - x &= ~0x400000; // cmfe -> cmf - break; - } - if (c1 && !c2) { - c2 = c1; - vswap(); - switch (op) { - case TOK_Nset: - op = TOK_GT; - break; - case TOK_GE: - op = TOK_ULE; - break; - case TOK_ULE: - op = TOK_GE; - break; - case TOK_GT: - op = TOK_Nset; - break; - } - } - vswap(); - r = fpr(gv(RC_FLOAT)); - vswap(); - if (c2) { - if (c2 > 0xf) - x |= 0x200000; - r2 = c2 & 0xf; - } else { - r2 = fpr(gv(RC_FLOAT)); - } - vtop[-1].r = VT_CMP; - vtop[-1].c.i = op; - } else { - tcc_error("unknown fp op %x!", op); - return; - } - } - if (vtop[-1].r == VT_CMP) - c1 = 15; - else { - c1 = vtop->r; - if (r2 & 0x8) - c1 = vtop[-1].r; - vtop[-1].r = get_reg_ex(RC_FLOAT, two2mask(vtop[-1].r, c1)); - c1 = fpr(vtop[-1].r); - } - vtop--; - o(x | (r << 16) | (c1 << 12) | r2); -} -#endif - -/* convert integers to fp 't' type. Must handle 'int', 'unsigned int' - and 'long long' cases. */ -ST_FUNC void gen_cvt_itof1(int t) -{ - uint32_t r, r2; - int bt; - bt = vtop->type.t & VT_BTYPE; - if (bt == VT_INT || bt == VT_SHORT || bt == VT_BYTE) { -#ifndef TCC_ARM_VFP - uint32_t dsize = 0; -#endif - r = intr(gv(RC_INT)); -#ifdef TCC_ARM_VFP - r2 = vfpr(vtop->r = get_reg(RC_FLOAT)); - o(0xEE000A10 | (r << 12) | (r2 << 16)); /* fmsr */ - r2 |= r2 << 12; - if (!(vtop->type.t & VT_UNSIGNED)) - r2 |= 0x80; /* fuitoX -> fsituX */ - o(0xEEB80A40 | r2 | T2CPR(t)); /* fYitoX*/ -#else - r2 = fpr(vtop->r = get_reg(RC_FLOAT)); - if ((t & VT_BTYPE) != VT_FLOAT) - dsize = 0x80; /* flts -> fltd */ - o(0xEE000110 | dsize | (r2 << 16) | (r << 12)); /* flts */ - if ((vtop->type.t & (VT_UNSIGNED | VT_BTYPE)) == - (VT_UNSIGNED | VT_INT)) { - uint32_t off = 0; - o(0xE3500000 | (r << 12)); /* cmp */ - r = fpr(get_reg(RC_FLOAT)); - if (last_itod_magic) { - off = ind + 8 - last_itod_magic; - off /= 4; - if (off > 255) - off = 0; - } - o(0xBD1F0100 | (r << 12) | off); /* ldflts */ - if (!off) { - o(0xEA000000); /* b */ - last_itod_magic = ind; - o(0x4F800000); /* 4294967296.0f */ - } - o(0xBE000100 | dsize | (r2 << 16) | (r2 << 12) | r); /* adflt */ - } -#endif - return; - } else if (bt == VT_LLONG) { - int func; - CType* func_type = 0; - if ((t & VT_BTYPE) == VT_FLOAT) { - func_type = &func_float_type; - if (vtop->type.t & VT_UNSIGNED) - func = TOK___floatundisf; - else - func = TOK___floatdisf; -#if LDOUBLE_SIZE != 8 - } else if ((t & VT_BTYPE) == VT_LDOUBLE) { - func_type = &func_ldouble_type; - if (vtop->type.t & VT_UNSIGNED) - func = TOK___floatundixf; - else - func = TOK___floatdixf; - } else if ((t & VT_BTYPE) == VT_DOUBLE) { -#else - } else if ((t & VT_BTYPE) == VT_DOUBLE || - (t & VT_BTYPE) == VT_LDOUBLE) { -#endif - func_type = &func_double_type; - if (vtop->type.t & VT_UNSIGNED) - func = TOK___floatundidf; - else - func = TOK___floatdidf; - } - if (func_type) { - vpush_global_sym(func_type, func); - vswap(); - gfunc_call(1); - vpushi(0); - vtop->r = TREG_F0; - return; - } - } - tcc_error("unimplemented gen_cvt_itof %x!", vtop->type.t); -} - -/* convert fp to int 't' type */ -void gen_cvt_ftoi(int t) -{ - uint32_t r, r2; - int u, func = 0; - u = t & VT_UNSIGNED; - t &= VT_BTYPE; - r2 = vtop->type.t & VT_BTYPE; - if (t == VT_INT) { -#ifdef TCC_ARM_VFP - r = vfpr(gv(RC_FLOAT)); - u = u ? 0 : 0x10000; - o(0xEEBC0AC0 | (r << 12) | r | T2CPR(r2) | u); /* ftoXizY */ - r2 = intr(vtop->r = get_reg(RC_INT)); - o(0xEE100A10 | (r << 16) | (r2 << 12)); - return; -#else - if (u) { - if (r2 == VT_FLOAT) - func = TOK___fixunssfsi; -#if LDOUBLE_SIZE != 8 - else if (r2 == VT_LDOUBLE) - func = TOK___fixunsxfsi; - else if (r2 == VT_DOUBLE) -#else - else if (r2 == VT_LDOUBLE || r2 == VT_DOUBLE) -#endif - func = TOK___fixunsdfsi; - } else { - r = fpr(gv(RC_FLOAT)); - r2 = intr(vtop->r = get_reg(RC_INT)); - o(0xEE100170 | (r2 << 12) | r); - return; - } -#endif - } else if (t == VT_LLONG) { // unsigned handled in gen_cvt_ftoi1 - if (r2 == VT_FLOAT) - func = TOK___fixsfdi; -#if LDOUBLE_SIZE != 8 - else if (r2 == VT_LDOUBLE) - func = TOK___fixxfdi; - else if (r2 == VT_DOUBLE) -#else - else if (r2 == VT_LDOUBLE || r2 == VT_DOUBLE) -#endif - func = TOK___fixdfdi; - } - if (func) { - vpush_global_sym(&func_old_type, func); - vswap(); - gfunc_call(1); - vpushi(0); - if (t == VT_LLONG) - vtop->r2 = REG_LRET; - vtop->r = REG_IRET; - return; - } - tcc_error("unimplemented gen_cvt_ftoi!"); -} - -/* convert from one floating point type to another */ -void gen_cvt_ftof(int t) -{ -#ifdef TCC_ARM_VFP - if (((vtop->type.t & VT_BTYPE) == VT_FLOAT) != - ((t & VT_BTYPE) == VT_FLOAT)) { - uint32_t r = vfpr(gv(RC_FLOAT)); - o(0xEEB70AC0 | (r << 12) | r | T2CPR(vtop->type.t)); - } -#else - /* all we have to do on i386 and FPA ARM is to put the float in a register - */ - gv(RC_FLOAT); -#endif -} - -/* computed goto support */ -void ggoto(void) -{ - gcall_or_jmp(1); - vtop--; -} - -/* Save the stack pointer onto the stack and return the location of its address - */ -ST_FUNC void gen_vla_sp_save(int addr) -{ - tcc_error("variable length arrays unsupported for this target"); -} - -/* Restore the SP from a location on the stack */ -ST_FUNC void gen_vla_sp_restore(int addr) -{ - tcc_error("variable length arrays unsupported for this target"); -} - -/* Subtract from the stack pointer, and push the resulting value onto the stack - */ -ST_FUNC void gen_vla_alloc(CType* type, int align) -{ - tcc_error("variable length arrays unsupported for this target"); -} - -/* end of ARM code generator */ -/*************************************************************/ -#endif -/*************************************************************/ diff --git a/src/arm/arm64-gen.c b/src/arm/arm64-gen.c deleted file mode 100644 index fe3d7aa..0000000 --- a/src/arm/arm64-gen.c +++ /dev/null @@ -1,1846 +0,0 @@ -/* - * A64 code generator for TCC - * - * Copyright (c) 2014-2015 Edmund Grimley Evans - * - * Copying and distribution of this file, with or without modification, - * are permitted in any medium without royalty provided the copyright - * notice and this notice are preserved. This file is offered as-is, - * without any warranty. - */ - -#ifdef TARGET_DEFS_ONLY - -// Number of registers available to allocator: -#define NB_REGS 28 // x0-x18, x30, v0-v7 - -typedef int RegArgs; - -#define TREG_R(x) (x) // x = 0..18 -#define TREG_R30 19 -#define TREG_F(x) (x + 20) // x = 0..7 - -// Register classes sorted from more general to more precise: -#define RC_INT (1 << 0) -#define RC_FLOAT (1 << 1) -#define RC_R(x) (1 << (2 + (x))) // x = 0..18 -#define RC_R30 (1 << 21) -#define RC_F(x) (1 << (22 + (x))) // x = 0..7 - -#define RC_IRET (RC_R(0)) // int return register class -#define RC_FRET (RC_F(0)) // float return register class - -#define REG_IRET (TREG_R(0)) // int return register number -#define REG_FRET (TREG_F(0)) // float return register number - -#define PTR_SIZE 8 - -#define LDOUBLE_SIZE 16 -#define LDOUBLE_ALIGN 16 - -#define MAX_ALIGN 16 - -#define CHAR_IS_UNSIGNED - -/******************************************************/ -/* ELF defines */ - -#define EM_TCC_TARGET EM_AARCH64 - -#define R_DATA_32 R_AARCH64_ABS32 -#define R_DATA_PTR R_AARCH64_ABS64 -#define R_JMP_SLOT R_AARCH64_JUMP_SLOT -#define R_COPY R_AARCH64_COPY - -#define ELF_START_ADDR 0x00400000 -#define ELF_PAGE_SIZE 0x1000 - -/******************************************************/ -#else /* ! TARGET_DEFS_ONLY */ -/******************************************************/ -#include "../tcc.h" -#include - -ST_DATA const int reg_classes[NB_REGS] = { - RC_INT | RC_R(0), - RC_INT | RC_R(1), - RC_INT | RC_R(2), - RC_INT | RC_R(3), - RC_INT | RC_R(4), - RC_INT | RC_R(5), - RC_INT | RC_R(6), - RC_INT | RC_R(7), - RC_INT | RC_R(8), - RC_INT | RC_R(9), - RC_INT | RC_R(10), - RC_INT | RC_R(11), - RC_INT | RC_R(12), - RC_INT | RC_R(13), - RC_INT | RC_R(14), - RC_INT | RC_R(15), - RC_INT | RC_R(16), - RC_INT | RC_R(17), - RC_INT | RC_R(18), - RC_R30, // not in RC_INT as we make special use of x30 - RC_FLOAT | RC_F(0), - RC_FLOAT | RC_F(1), - RC_FLOAT | RC_F(2), - RC_FLOAT | RC_F(3), - RC_FLOAT | RC_F(4), - RC_FLOAT | RC_F(5), - RC_FLOAT | RC_F(6), - RC_FLOAT | RC_F(7) -}; - -#define IS_FREG(x) ((x) >= TREG_F(0)) - -static uint32_t intr(int r) -{ - assert(TREG_R(0) <= r && r <= TREG_R30); - return r < TREG_R30 ? r : 30; -} - -static uint32_t fltr(int r) -{ - assert(TREG_F(0) <= r && r <= TREG_F(7)); - return r - TREG_F(0); -} - -// Add an instruction to text section: -ST_FUNC void o(unsigned int c) -{ - int ind1 = ind + 4; - if (ind1 > cur_text_section->data_allocated) - section_realloc(cur_text_section, ind1); - *(uint32_t *)(cur_text_section->data + ind) = c; - ind = ind1; -} - -static int arm64_encode_bimm64(uint64_t x) -{ - int neg = x & 1; - int rep, pos, len; - - if (neg) - x = ~x; - if (!x) - return -1; - - if (x >> 2 == (x & (((uint64_t)1 << (64 - 2)) - 1))) - rep = 2, x &= ((uint64_t)1 << 2) - 1; - else if (x >> 4 == (x & (((uint64_t)1 << (64 - 4)) - 1))) - rep = 4, x &= ((uint64_t)1 << 4) - 1; - else if (x >> 8 == (x & (((uint64_t)1 << (64 - 8)) - 1))) - rep = 8, x &= ((uint64_t)1 << 8) - 1; - else if (x >> 16 == (x & (((uint64_t)1 << (64 - 16)) - 1))) - rep = 16, x &= ((uint64_t)1 << 16) - 1; - else if (x >> 32 == (x & (((uint64_t)1 << (64 - 32)) - 1))) - rep = 32, x &= ((uint64_t)1 << 32) - 1; - else - rep = 64; - - pos = 0; - if (!(x & (((uint64_t)1 << 32) - 1))) x >>= 32, pos += 32; - if (!(x & (((uint64_t)1 << 16) - 1))) x >>= 16, pos += 16; - if (!(x & (((uint64_t)1 << 8) - 1))) x >>= 8, pos += 8; - if (!(x & (((uint64_t)1 << 4) - 1))) x >>= 4, pos += 4; - if (!(x & (((uint64_t)1 << 2) - 1))) x >>= 2, pos += 2; - if (!(x & (((uint64_t)1 << 1) - 1))) x >>= 1, pos += 1; - - len = 0; - if (!(~x & (((uint64_t)1 << 32) - 1))) x >>= 32, len += 32; - if (!(~x & (((uint64_t)1 << 16) - 1))) x >>= 16, len += 16; - if (!(~x & (((uint64_t)1 << 8) - 1))) x >>= 8, len += 8; - if (!(~x & (((uint64_t)1 << 4) - 1))) x >>= 4, len += 4; - if (!(~x & (((uint64_t)1 << 2) - 1))) x >>= 2, len += 2; - if (!(~x & (((uint64_t)1 << 1) - 1))) x >>= 1, len += 1; - - if (x) - return -1; - if (neg) { - pos = (pos + len) & (rep - 1); - len = rep - len; - } - return ((0x1000 & rep << 6) | (((rep - 1) ^ 31) << 1 & 63) | - ((rep - pos) & (rep - 1)) << 6 | (len - 1)); -} - -static uint32_t arm64_movi(int r, uint64_t x) -{ - uint64_t m = 0xffff; - int e; - if (!(x & ~m)) - return 0x52800000 | r | x << 5; // movz w(r),#(x) - if (!(x & ~(m << 16))) - return 0x52a00000 | r | x >> 11; // movz w(r),#(x >> 16),lsl #16 - if (!(x & ~(m << 32))) - return 0xd2c00000 | r | x >> 27; // movz x(r),#(x >> 32),lsl #32 - if (!(x & ~(m << 48))) - return 0xd2e00000 | r | x >> 43; // movz x(r),#(x >> 48),lsl #48 - if ((x & ~m) == m << 16) - return (0x12800000 | r | - (~x << 5 & 0x1fffe0)); // movn w(r),#(~x) - if ((x & ~(m << 16)) == m) - return (0x12a00000 | r | - (~x >> 11 & 0x1fffe0)); // movn w(r),#(~x >> 16),lsl #16 - if (!~(x | m)) - return (0x92800000 | r | - (~x << 5 & 0x1fffe0)); // movn x(r),#(~x) - if (!~(x | m << 16)) - return (0x92a00000 | r | - (~x >> 11 & 0x1fffe0)); // movn x(r),#(~x >> 16),lsl #16 - if (!~(x | m << 32)) - return (0x92c00000 | r | - (~x >> 27 & 0x1fffe0)); // movn x(r),#(~x >> 32),lsl #32 - if (!~(x | m << 48)) - return (0x92e00000 | r | - (~x >> 43 & 0x1fffe0)); // movn x(r),#(~x >> 32),lsl #32 - if (!(x >> 32) && (e = arm64_encode_bimm64(x | x << 32)) >= 0) - return 0x320003e0 | r | (uint32_t)e << 10; // movi w(r),#(x) - if ((e = arm64_encode_bimm64(x)) >= 0) - return 0xb20003e0 | r | (uint32_t)e << 10; // movi x(r),#(x) - return 0; -} - -static void arm64_movimm(int r, uint64_t x) -{ - uint32_t i; - if ((i = arm64_movi(r, x))) - o(i); // a single MOV - else { - // MOVZ/MOVN and 1-3 MOVKs - int z = 0, m = 0; - uint32_t mov1 = 0xd2800000; // movz - uint64_t x1 = x; - for (i = 0; i < 64; i += 16) { - z += !(x >> i & 0xffff); - m += !(~x >> i & 0xffff); - } - if (m > z) { - x1 = ~x; - mov1 = 0x92800000; // movn - } - for (i = 0; i < 64; i += 16) - if (x1 >> i & 0xffff) { - o(mov1 | r | (x1 >> i & 0xffff) << 5 | i << 17); - // movz/movn x(r),#(*),lsl #(i) - break; - } - for (i += 16; i < 64; i += 16) - if (x1 >> i & 0xffff) - o(0xf2800000 | r | (x >> i & 0xffff) << 5 | i << 17); - // movk x(r),#(*),lsl #(i) - } -} - -// Patch all branches in list pointed to by t to branch to a: -ST_FUNC void gsym_addr(int t_, int a_) -{ - uint32_t t = t_; - uint32_t a = a_; - while (t) { - uint32_t *ptr = (uint32_t *)(cur_text_section->data + t); - uint32_t next = *ptr; - if (a - t + 0x8000000 >= 0x10000000) - tcc_error("branch out of range"); - *ptr = (a - t == 4 ? 0xd503201f : // nop - 0x14000000 | ((a - t) >> 2 & 0x3ffffff)); // b - t = next; - } -} - -// Patch all branches in list pointed to by t to branch to current location: -ST_FUNC void gsym(int t) -{ - gsym_addr(t, ind); -} - -static int arm64_type_size(int t) -{ - switch (t & VT_BTYPE) { - case VT_INT: return 2; - case VT_BYTE: return 0; - case VT_SHORT: return 1; - case VT_PTR: return 3; - case VT_ENUM: return 2; - case VT_FUNC: return 3; - case VT_FLOAT: return 2; - case VT_DOUBLE: return 3; - case VT_LDOUBLE: return 4; - case VT_BOOL: return 0; - case VT_LLONG: return 3; - } - assert(0); - return 0; -} - -static void arm64_spoff(int reg, uint64_t off) -{ - uint32_t sub = off >> 63; - if (sub) - off = -off; - if (off < 4096) - o(0x910003e0 | sub << 30 | reg | off << 10); - // (add|sub) x(reg),sp,#(off) - else { - arm64_movimm(30, off); // use x30 for offset - o(0x8b3e63e0 | sub << 30 | reg); // (add|sub) x(reg),sp,x30 - } -} - -static void arm64_ldrx(int sg, int sz, int dst, int bas, uint64_t off) -{ - if (sz >= 2) - sg = 0; - if (!(off & ~(0xfff << sz))) - o(0x39400000 | dst | bas << 5 | off << (10 - sz) | - !!sg << 23 | sz << 30); // ldr(*) x(dst),[x(bas),#(off)] - else if (off < 256 || -off <= 256) - o(0x38400000 | dst | bas << 5 | (off & 511) << 12 | - !!sg << 23 | sz << 30); // ldur(*) x(dst),[x(bas),#(off)] - else { - arm64_movimm(30, off); // use x30 for offset - o(0x38206800 | dst | bas << 5 | 30 << 16 | - (!!sg + 1) << 22 | sz << 30); // ldr(*) x(dst),[x(bas),x30] - } -} - -static void arm64_ldrv(int sz, int dst, int bas, uint64_t off) -{ - if (!(off & ~(0xfff << sz))) - o(0x3d400000 | dst | bas << 5 | off << (10 - sz) | - (sz & 4) << 21 | (sz & 3) << 30); // ldr (s|d|q)(dst),[x(bas),#(off)] - else if (off < 256 || -off <= 256) - o(0x3c400000 | dst | bas << 5 | (off & 511) << 12 | - (sz & 4) << 21 | (sz & 3) << 30); // ldur (s|d|q)(dst),[x(bas),#(off)] - else { - arm64_movimm(30, off); // use x30 for offset - o(0x3c606800 | dst | bas << 5 | 30 << 16 | sz << 30 | (sz & 4) << 21); - // ldr (s|d|q)(dst),[x(bas),x30] - } -} - -static void arm64_ldrs(int reg, int size) -{ - // Use x30 for intermediate value in some cases. - switch (size) { - default: assert(0); break; - case 1: - arm64_ldrx(0, 0, reg, reg, 0); - break; - case 2: - arm64_ldrx(0, 1, reg, reg, 0); - break; - case 3: - arm64_ldrx(0, 1, 30, reg, 0); - arm64_ldrx(0, 0, reg, reg, 2); - o(0x2a0043c0 | reg | reg << 16); // orr x(reg),x30,x(reg),lsl #16 - break; - case 4: - arm64_ldrx(0, 2, reg, reg, 0); - break; - case 5: - arm64_ldrx(0, 2, 30, reg, 0); - arm64_ldrx(0, 0, reg, reg, 4); - o(0xaa0083c0 | reg | reg << 16); // orr x(reg),x30,x(reg),lsl #32 - break; - case 6: - arm64_ldrx(0, 2, 30, reg, 0); - arm64_ldrx(0, 1, reg, reg, 4); - o(0xaa0083c0 | reg | reg << 16); // orr x(reg),x30,x(reg),lsl #32 - break; - case 7: - arm64_ldrx(0, 2, 30, reg, 0); - arm64_ldrx(0, 2, reg, reg, 3); - o(0x53087c00 | reg | reg << 5); // lsr w(reg), w(reg), #8 - o(0xaa0083c0 | reg | reg << 16); // orr x(reg),x30,x(reg),lsl #32 - break; - case 8: - arm64_ldrx(0, 3, reg, reg, 0); - break; - case 9: - arm64_ldrx(0, 0, reg + 1, reg, 8); - arm64_ldrx(0, 3, reg, reg, 0); - break; - case 10: - arm64_ldrx(0, 1, reg + 1, reg, 8); - arm64_ldrx(0, 3, reg, reg, 0); - break; - case 11: - arm64_ldrx(0, 2, reg + 1, reg, 7); - o(0x53087c00 | (reg+1) | (reg+1) << 5); // lsr w(reg+1), w(reg+1), #8 - arm64_ldrx(0, 3, reg, reg, 0); - break; - case 12: - arm64_ldrx(0, 2, reg + 1, reg, 8); - arm64_ldrx(0, 3, reg, reg, 0); - break; - case 13: - arm64_ldrx(0, 3, reg + 1, reg, 5); - o(0xd358fc00 | (reg+1) | (reg+1) << 5); // lsr x(reg+1), x(reg+1), #24 - arm64_ldrx(0, 3, reg, reg, 0); - break; - case 14: - arm64_ldrx(0, 3, reg + 1, reg, 6); - o(0xd350fc00 | (reg+1) | (reg+1) << 5); // lsr x(reg+1), x(reg+1), #16 - arm64_ldrx(0, 3, reg, reg, 0); - break; - case 15: - arm64_ldrx(0, 3, reg + 1, reg, 7); - o(0xd348fc00 | (reg+1) | (reg+1) << 5); // lsr x(reg+1), x(reg+1), #8 - arm64_ldrx(0, 3, reg, reg, 0); - break; - case 16: - o(0xa9400000 | reg | (reg+1) << 10 | reg << 5); - // ldp x(reg),x(reg+1),[x(reg)] - break; - } -} - -static void arm64_strx(int sz, int dst, int bas, uint64_t off) -{ - if (!(off & ~(0xfff << sz))) - o(0x39000000 | dst | bas << 5 | off << (10 - sz) | sz << 30); - // str(*) x(dst),[x(bas],#(off)] - else if (off < 256 || -off <= 256) - o(0x38000000 | dst | bas << 5 | (off & 511) << 12 | sz << 30); - // stur(*) x(dst),[x(bas],#(off)] - else { - arm64_movimm(30, off); // use x30 for offset - o(0x38206800 | dst | bas << 5 | 30 << 16 | sz << 30); - // str(*) x(dst),[x(bas),x30] - } -} - -static void arm64_strv(int sz, int dst, int bas, uint64_t off) -{ - if (!(off & ~(0xfff << sz))) - o(0x3d000000 | dst | bas << 5 | off << (10 - sz) | - (sz & 4) << 21 | (sz & 3) << 30); // str (s|d|q)(dst),[x(bas),#(off)] - else if (off < 256 || -off <= 256) - o(0x3c000000 | dst | bas << 5 | (off & 511) << 12 | - (sz & 4) << 21 | (sz & 3) << 30); // stur (s|d|q)(dst),[x(bas),#(off)] - else { - arm64_movimm(30, off); // use x30 for offset - o(0x3c206800 | dst | bas << 5 | 30 << 16 | sz << 30 | (sz & 4) << 21); - // str (s|d|q)(dst),[x(bas),x30] - } -} - -static void arm64_sym(int r, Sym *sym, unsigned long addend) -{ - // Currently TCC's linker does not generate COPY relocations for - // STT_OBJECTs when tcc is invoked with "-run". This typically - // results in "R_AARCH64_ADR_PREL_PG_HI21 relocation failed" when - // a program refers to stdin. A workaround is to avoid that - // relocation and use only relocations with unlimited range. - int avoid_adrp = 1; - - if (avoid_adrp || (sym->type.t & VT_WEAK)) { - // (GCC uses a R_AARCH64_ABS64 in this case.) - greloca(cur_text_section, sym, ind, R_AARCH64_MOVW_UABS_G0_NC, addend); - o(0xd2800000 | r); // mov x(rt),#0,lsl #0 - greloca(cur_text_section, sym, ind, R_AARCH64_MOVW_UABS_G1_NC, addend); - o(0xf2a00000 | r); // movk x(rt),#0,lsl #16 - greloca(cur_text_section, sym, ind, R_AARCH64_MOVW_UABS_G2_NC, addend); - o(0xf2c00000 | r); // movk x(rt),#0,lsl #32 - greloca(cur_text_section, sym, ind, R_AARCH64_MOVW_UABS_G3, addend); - o(0xf2e00000 | r); // movk x(rt),#0,lsl #48 - } - else { - greloca(cur_text_section, sym, ind, R_AARCH64_ADR_PREL_PG_HI21, addend); - o(0x90000000 | r); - greloca(cur_text_section, sym, ind, R_AARCH64_ADD_ABS_LO12_NC, addend); - o(0x91000000 | r | r << 5); - } -} - -ST_FUNC void load(int r, SValue *sv) -{ - int svtt = sv->type.t; - int svr = sv->r & ~VT_LVAL_TYPE; - int svrv = svr & VT_VALMASK; - uint64_t svcul = (int32_t)sv->c.ul; - - if (svr == (VT_LOCAL | VT_LVAL)) { - if (IS_FREG(r)) - arm64_ldrv(arm64_type_size(svtt), fltr(r), 29, svcul); - else - arm64_ldrx(!(svtt & VT_UNSIGNED), arm64_type_size(svtt), - intr(r), 29, svcul); - return; - } - - if ((svr & ~VT_VALMASK) == VT_LVAL && svrv < VT_CONST) { - if (IS_FREG(r)) - arm64_ldrv(arm64_type_size(svtt), fltr(r), intr(svrv), 0); - else - arm64_ldrx(!(svtt & VT_UNSIGNED), arm64_type_size(svtt), - intr(r), intr(svrv), 0); - return; - } - - if (svr == (VT_CONST | VT_LVAL | VT_SYM)) { - arm64_sym(30, sv->sym, svcul); // use x30 for address - if (IS_FREG(r)) - arm64_ldrv(arm64_type_size(svtt), fltr(r), 30, 0); - else - arm64_ldrx(!(svtt & VT_UNSIGNED), arm64_type_size(svtt), - intr(r), 30, 0); - return; - } - - if (svr == (VT_CONST | VT_SYM)) { - arm64_sym(intr(r), sv->sym, svcul); - return; - } - - if (svr == VT_CONST) { - if ((svtt & VT_BTYPE) != VT_VOID) - arm64_movimm(intr(r), arm64_type_size(svtt) == 3 ? - sv->c.ull : (uint32_t)svcul); - return; - } - - if (svr < VT_CONST) { - if (IS_FREG(r) && IS_FREG(svr)) - if (svtt == VT_LDOUBLE) - o(0x4ea01c00 | fltr(r) | fltr(svr) << 5); - // mov v(r).16b,v(svr).16b - else - o(0x1e604000 | fltr(r) | fltr(svr) << 5); // fmov d(r),d(svr) - else if (!IS_FREG(r) && !IS_FREG(svr)) - o(0xaa0003e0 | intr(r) | intr(svr) << 16); // mov x(r),x(svr) - else - assert(0); - return; - } - - if (svr == VT_LOCAL) { - if (-svcul < 0x1000) - o(0xd10003a0 | intr(r) | -svcul << 10); // sub x(r),x29,#... - else { - arm64_movimm(30, -svcul); // use x30 for offset - o(0xcb0003a0 | intr(r) | 30 << 16); // sub x(r),x29,x30 - } - return; - } - - if (svr == VT_JMP || svr == VT_JMPI) { - int t = (svr == VT_JMPI); - arm64_movimm(intr(r), t); - o(0x14000002); // b .+8 - gsym(svcul); - arm64_movimm(intr(r), t ^ 1); - return; - } - - if (svr == (VT_LLOCAL | VT_LVAL)) { - arm64_ldrx(0, 3, 30, 29, svcul); // use x30 for offset - if (IS_FREG(r)) - arm64_ldrv(arm64_type_size(svtt), fltr(r), 30, 0); - else - arm64_ldrx(!(svtt & VT_UNSIGNED), arm64_type_size(svtt), - intr(r), 30, 0); - return; - } - - printf("load(%x, (%x, %x, %llx))\n", r, svtt, sv->r, (long long)svcul); - assert(0); -} - -ST_FUNC void store(int r, SValue *sv) -{ - int svtt = sv->type.t; - int svr = sv->r & ~VT_LVAL_TYPE; - int svrv = svr & VT_VALMASK; - uint64_t svcul = (int32_t)sv->c.ul; - - if (svr == (VT_LOCAL | VT_LVAL)) { - if (IS_FREG(r)) - arm64_strv(arm64_type_size(svtt), fltr(r), 29, svcul); - else - arm64_strx(arm64_type_size(svtt), intr(r), 29, svcul); - return; - } - - if ((svr & ~VT_VALMASK) == VT_LVAL && svrv < VT_CONST) { - if (IS_FREG(r)) - arm64_strv(arm64_type_size(svtt), fltr(r), intr(svrv), 0); - else - arm64_strx(arm64_type_size(svtt), intr(r), intr(svrv), 0); - return; - } - - if (svr == (VT_CONST | VT_LVAL | VT_SYM)) { - arm64_sym(30, sv->sym, svcul); // use x30 for address - if (IS_FREG(r)) - arm64_strv(arm64_type_size(svtt), fltr(r), 30, 0); - else - arm64_strx(arm64_type_size(svtt), intr(r), 30, 0); - return; - } - - printf("store(%x, (%x, %x, %llx))\n", r, svtt, sv->r, (long long)svcul); - assert(0); -} - -static void arm64_gen_bl_or_b(int b) -{ - if ((vtop->r & (VT_VALMASK | VT_LVAL)) == VT_CONST) { - assert(!b); - if (vtop->r & VT_SYM) - greloc(cur_text_section, vtop->sym, ind, R_AARCH64_CALL26); - else - assert(0); - o(0x94000000); // bl . - } - else - o(0xd61f0000 | !b << 21 | intr(gv(RC_R30)) << 5); // br/blr -} - -static int arm64_hfa_aux(CType *type, int *fsize, int num) -{ - if (is_float(type->t)) { - int a, n = type_size(type, &a); - if (num >= 4 || (*fsize && *fsize != n)) - return -1; - *fsize = n; - return num + 1; - } - else if ((type->t & VT_BTYPE) == VT_STRUCT) { - int is_struct = 0; // rather than union - Sym *field; - for (field = type->ref->next; field; field = field->next) - if (field->c) { - is_struct = 1; - break; - } - if (is_struct) { - int num0 = num; - for (field = type->ref->next; field; field = field->next) { - if (field->c != (num - num0) * *fsize) - return -1; - num = arm64_hfa_aux(&field->type, fsize, num); - if (num == -1) - return -1; - } - if (type->ref->c != (num - num0) * *fsize) - return -1; - return num; - } - else { // union - int num0 = num; - for (field = type->ref->next; field; field = field->next) { - int num1 = arm64_hfa_aux(&field->type, fsize, num0); - if (num1 == -1) - return -1; - num = num1 < num ? num : num1; - } - if (type->ref->c != (num - num0) * *fsize) - return -1; - return num; - } - } - else if (type->t & VT_ARRAY) { - int num1; - if (!type->ref->c) - return num; - num1 = arm64_hfa_aux(&type->ref->type, fsize, num); - if (num1 == -1 || (num1 != num && type->ref->c > 4)) - return -1; - num1 = num + type->ref->c * (num1 - num); - if (num1 > 4) - return -1; - return num1; - } - return -1; -} - -static int arm64_hfa(CType *type, int *fsize) -{ - if ((type->t & VT_BTYPE) == VT_STRUCT || (type->t & VT_ARRAY)) { - int sz = 0; - int n = arm64_hfa_aux(type, &sz, 0); - if (0 < n && n <= 4) { - if (fsize) - *fsize = sz; - return n; - } - } - return 0; -} - -static unsigned long arm64_pcs_aux(int n, CType **type, unsigned long *a) -{ - int nx = 0; // next integer register - int nv = 0; // next vector register - unsigned long ns = 32; // next stack offset - int i; - - for (i = 0; i < n; i++) { - int hfa = arm64_hfa(type[i], 0); - int size, align; - - if ((type[i]->t & VT_ARRAY) || - (type[i]->t & VT_BTYPE) == VT_FUNC) - size = align = 8; - else - size = type_size(type[i], &align); - - if (hfa) - // B.2 - ; - else if (size > 16) { - // B.3: replace with pointer - if (nx < 8) - a[i] = nx++ << 1 | 1; - else { - ns = (ns + 7) & ~7; - a[i] = ns | 1; - ns += 8; - } - continue; - } - else if ((type[i]->t & VT_BTYPE) == VT_STRUCT) - // B.4 - size = (size + 7) & ~7; - - // C.1 - if (is_float(type[i]->t) && nv < 8) { - a[i] = 16 + (nv++ << 1); - continue; - } - - // C.2 - if (hfa && nv + hfa <= 8) { - a[i] = 16 + (nv << 1); - nv += hfa; - continue; - } - - // C.3 - if (hfa) { - nv = 8; - size = (size + 7) & ~7; - } - - // C.4 - if (hfa || (type[i]->t & VT_BTYPE) == VT_LDOUBLE) { - ns = (ns + 7) & ~7; - ns = (ns + align - 1) & -align; - } - - // C.5 - if ((type[i]->t & VT_BTYPE) == VT_FLOAT) - size = 8; - - // C.6 - if (hfa || is_float(type[i]->t)) { - a[i] = ns; - ns += size; - continue; - } - - // C.7 - if ((type[i]->t & VT_BTYPE) != VT_STRUCT && size <= 8 && nx < 8) { - a[i] = nx++ << 1; - continue; - } - - // C.8 - if (align == 16) - nx = (nx + 1) & ~1; - - // C.9 - if ((type[i]->t & VT_BTYPE) != VT_STRUCT && size == 16 && nx < 7) { - a[i] = nx << 1; - nx += 2; - continue; - } - - // C.10 - if ((type[i]->t & VT_BTYPE) == VT_STRUCT && size <= (8 - nx) * 8) { - a[i] = nx << 1; - nx += (size + 7) >> 3; - continue; - } - - // C.11 - nx = 8; - - // C.12 - ns = (ns + 7) & ~7; - ns = (ns + align - 1) & -align; - - // C.13 - if ((type[i]->t & VT_BTYPE) == VT_STRUCT) { - a[i] = ns; - ns += size; - continue; - } - - // C.14 - if (size < 8) - size = 8; - - // C.15 - a[i] = ns; - ns += size; - } - - return ns - 32; -} - -static unsigned long arm64_pcs(int n, CType **type, unsigned long *a) -{ - unsigned long stack; - - // Return type: - if ((type[0]->t & VT_BTYPE) == VT_VOID) - a[0] = -1; - else { - arm64_pcs_aux(1, type, a); - assert(a[0] == 0 || a[0] == 1 || a[0] == 16); - } - - // Argument types: - stack = arm64_pcs_aux(n, type + 1, a + 1); - - if (0) { - int i; - for (i = 0; i <= n; i++) { - if (!i) - printf("arm64_pcs return: "); - else - printf("arm64_pcs arg %d: ", i); - if (a[i] == (unsigned long)-1) - printf("void\n"); - else if (a[i] == 1 && !i) - printf("X8 pointer\n"); - else if (a[i] < 16) - printf("X%lu%s\n", a[i] / 2, a[i] & 1 ? " pointer" : ""); - else if (a[i] < 32) - printf("V%lu\n", a[i] / 2 - 8); - else - printf("stack %lu%s\n", - (a[i] - 32) & ~1, a[i] & 1 ? " pointer" : ""); - } - } - - return stack; -} - -ST_FUNC void gfunc_call(int nb_args) -{ - CType *return_type; - CType **t; - unsigned long *a, *a1; - unsigned long stack; - int i; - - return_type = &vtop[-nb_args].type.ref->type; - if ((return_type->t & VT_BTYPE) == VT_STRUCT) - --nb_args; - - t = tcc_malloc((nb_args + 1) * sizeof(*t)); - a = tcc_malloc((nb_args + 1) * sizeof(*a)); - a1 = tcc_malloc((nb_args + 1) * sizeof(*a1)); - - t[0] = return_type; - for (i = 0; i < nb_args; i++) - t[nb_args - i] = &vtop[-i].type; - - stack = arm64_pcs(nb_args, t, a); - - // Allocate space for structs replaced by pointer: - for (i = nb_args; i; i--) - if (a[i] & 1) { - SValue *arg = &vtop[i - nb_args]; - int align, size = type_size(&arg->type, &align); - assert((arg->type.t & VT_BTYPE) == VT_STRUCT); - stack = (stack + align - 1) & -align; - a1[i] = stack; - stack += size; - } - - stack = (stack + 15) >> 4 << 4; - - assert(stack < 0x1000); - if (stack) - o(0xd10003ff | stack << 10); // sub sp,sp,#(n) - - // First pass: set all values on stack - for (i = nb_args; i; i--) { - vpushv(vtop - nb_args + i); - - if (a[i] & 1) { - // struct replaced by pointer - int r = get_reg(RC_INT); - arm64_spoff(intr(r), a1[i]); - vset(&vtop->type, r | VT_LVAL, 0); - vswap(); - vstore(); - if (a[i] >= 32) { - // pointer on stack - r = get_reg(RC_INT); - arm64_spoff(intr(r), a1[i]); - arm64_strx(3, intr(r), 31, (a[i] - 32) >> 1 << 1); - } - } - else if (a[i] >= 32) { - // value on stack - if ((vtop->type.t & VT_BTYPE) == VT_STRUCT) { - int r = get_reg(RC_INT); - arm64_spoff(intr(r), a[i] - 32); - vset(&vtop->type, r | VT_LVAL, 0); - vswap(); - vstore(); - } - else if (is_float(vtop->type.t)) { - gv(RC_FLOAT); - arm64_strv(arm64_type_size(vtop[0].type.t), - fltr(vtop[0].r), 31, a[i] - 32); - } - else { - gv(RC_INT); - arm64_strx(arm64_type_size(vtop[0].type.t), - intr(vtop[0].r), 31, a[i] - 32); - } - } - - --vtop; - } - - // Second pass: assign values to registers - for (i = nb_args; i; i--, vtop--) { - if (a[i] < 16 && !(a[i] & 1)) { - // value in general-purpose registers - if ((vtop->type.t & VT_BTYPE) == VT_STRUCT) { - int align, size = type_size(&vtop->type, &align); - vtop->type.t = VT_PTR; - gaddrof(); - gv(RC_R(a[i] / 2)); - arm64_ldrs(a[i] / 2, size); - } - else - gv(RC_R(a[i] / 2)); - } - else if (a[i] < 16) - // struct replaced by pointer in register - arm64_spoff(a[i] / 2, a1[i]); - else if (a[i] < 32) { - // value in floating-point registers - if ((vtop->type.t & VT_BTYPE) == VT_STRUCT) { - int j, sz, n = arm64_hfa(&vtop->type, &sz); - vtop->type.t = VT_PTR; - gaddrof(); - gv(RC_R30); - for (j = 0; j < n; j++) - o(0x3d4003c0 | - (sz & 16) << 19 | -(sz & 8) << 27 | (sz & 4) << 29 | - (a[i] / 2 - 8 + j) | - j << 10); // ldr ([sdq])(*),[x30,#(j * sz)] - } - else - gv(RC_F(a[i] / 2 - 8)); - } - } - - if ((return_type->t & VT_BTYPE) == VT_STRUCT) { - if (a[0] == 1) { - // indirect return: set x8 and discard the stack value - gv(RC_R(8)); - --vtop; - } - else - // return in registers: keep the address for after the call - vswap(); - } - - save_regs(0); - arm64_gen_bl_or_b(0); - --vtop; - if (stack) - o(0x910003ff | stack << 10); // add sp,sp,#(n) - - { - int rt = return_type->t; - int bt = rt & VT_BTYPE; - if (bt == VT_BYTE || bt == VT_SHORT) - // Promote small integers: - o(0x13001c00 | (bt == VT_SHORT) << 13 | - !!(rt & VT_UNSIGNED) << 30); // [su]xt[bh] w0,w0 - else if (bt == VT_STRUCT && !(a[0] & 1)) { - // A struct was returned in registers, so write it out: - gv(RC_R(8)); - --vtop; - if (a[0] == 0) { - int align, size = type_size(return_type, &align); - assert(size <= 16); - if (size > 8) - o(0xa9000500); // stp x0,x1,[x8] - else if (size) - arm64_strx(size > 4 ? 3 : size > 2 ? 2 : size > 1, 0, 8, 0); - - } - else if (a[0] == 16) { - int j, sz, n = arm64_hfa(return_type, &sz); - for (j = 0; j < n; j++) - o(0x3d000100 | - (sz & 16) << 19 | -(sz & 8) << 27 | (sz & 4) << 29 | - (a[i] / 2 - 8 + j) | - j << 10); // str ([sdq])(*),[x8,#(j * sz)] - } - } - } - - tcc_free(a1); - tcc_free(a); - tcc_free(t); -} - -static unsigned long arm64_func_va_list_stack; -static int arm64_func_va_list_gr_offs; -static int arm64_func_va_list_vr_offs; -static int arm64_func_sub_sp_offset; - -ST_FUNC void gfunc_prolog(CType *func_type) -{ - int n = 0; - int i = 0; - Sym *sym; - CType **t; - unsigned long *a; - - // Why doesn't the caller (gen_function) set func_vt? - func_vt = func_type->ref->type; - func_vc = 144; // offset of where x8 is stored - - for (sym = func_type->ref; sym; sym = sym->next) - ++n; - t = tcc_malloc(n * sizeof(*t)); - a = tcc_malloc(n * sizeof(*a)); - - for (sym = func_type->ref; sym; sym = sym->next) - t[i++] = &sym->type; - - arm64_func_va_list_stack = arm64_pcs(n - 1, t, a); - - o(0xa9b27bfd); // stp x29,x30,[sp,#-224]! - o(0xad0087e0); // stp q0,q1,[sp,#16] - o(0xad018fe2); // stp q2,q3,[sp,#48] - o(0xad0297e4); // stp q4,q5,[sp,#80] - o(0xad039fe6); // stp q6,q7,[sp,#112] - o(0xa90923e8); // stp x8,x8,[sp,#144] - o(0xa90a07e0); // stp x0,x1,[sp,#160] - o(0xa90b0fe2); // stp x2,x3,[sp,#176] - o(0xa90c17e4); // stp x4,x5,[sp,#192] - o(0xa90d1fe6); // stp x6,x7,[sp,#208] - - arm64_func_va_list_gr_offs = -64; - arm64_func_va_list_vr_offs = -128; - - for (i = 1, sym = func_type->ref->next; sym; i++, sym = sym->next) { - int off = (a[i] < 16 ? 160 + a[i] / 2 * 8 : - a[i] < 32 ? 16 + (a[i] - 16) / 2 * 16 : - 224 + ((a[i] - 32) >> 1 << 1)); - sym_push(sym->v & ~SYM_FIELD, &sym->type, - (a[i] & 1 ? VT_LLOCAL : VT_LOCAL) | lvalue_type(sym->type.t), - off); - - if (a[i] < 16) { - int align, size = type_size(&sym->type, &align); - arm64_func_va_list_gr_offs = (a[i] / 2 - 7 + - (!(a[i] & 1) && size > 8)) * 8; - } - else if (a[i] < 32) { - int hfa = arm64_hfa(&sym->type, 0); - arm64_func_va_list_vr_offs = (a[i] / 2 - 16 + - (hfa ? hfa : 1)) * 16; - } - - // HFAs of float and double need to be written differently: - if (16 <= a[i] && a[i] < 32 && (sym->type.t & VT_BTYPE) == VT_STRUCT) { - int j, sz, k = arm64_hfa(&sym->type, &sz); - if (sz < 16) - for (j = 0; j < k; j++) { - o(0x3d0003e0 | -(sz & 8) << 27 | (sz & 4) << 29 | - ((a[i] - 16) / 2 + j) | (off / sz + j) << 10); - // str ([sdq])(*),[sp,#(j * sz)] - } - } - } - - tcc_free(a); - tcc_free(t); - - o(0x910003fd); // mov x29,sp - arm64_func_sub_sp_offset = ind; - // In gfunc_epilog these will be replaced with code to decrement SP: - o(0xd503201f); // nop - o(0xd503201f); // nop - loc = 0; -} - -ST_FUNC void gen_va_start(void) -{ - int r; - --vtop; // we don't need the "arg" - gaddrof(); - r = intr(gv(RC_INT)); - - if (arm64_func_va_list_stack) { - //xx could use add (immediate) here - arm64_movimm(30, arm64_func_va_list_stack + 224); - o(0x8b1e03be); // add x30,x29,x30 - } - else - o(0x910383be); // add x30,x29,#224 - o(0xf900001e | r << 5); // str x30,[x(r)] - - if (arm64_func_va_list_gr_offs) { - if (arm64_func_va_list_stack) - o(0x910383be); // add x30,x29,#224 - o(0xf900041e | r << 5); // str x30,[x(r),#8] - } - - if (arm64_func_va_list_vr_offs) { - o(0x910243be); // add x30,x29,#144 - o(0xf900081e | r << 5); // str x30,[x(r),#16] - } - - arm64_movimm(30, arm64_func_va_list_gr_offs); - o(0xb900181e | r << 5); // str w30,[x(r),#24] - - arm64_movimm(30, arm64_func_va_list_vr_offs); - o(0xb9001c1e | r << 5); // str w30,[x(r),#28] - - --vtop; -} - -ST_FUNC void gen_va_arg(CType *t) -{ - int align, size = type_size(t, &align); - int fsize, hfa = arm64_hfa(t, &fsize); - uint32_t r0, r1; - - if (is_float(t->t)) { - hfa = 1; - fsize = size; - } - - gaddrof(); - r0 = intr(gv(RC_INT)); - r1 = get_reg(RC_INT); - vtop[0].r = r1 | lvalue_type(t->t); - r1 = intr(r1); - - if (!hfa) { - uint32_t n = size > 16 ? 8 : (size + 7) & -8; - o(0xb940181e | r0 << 5); // ldr w30,[x(r0),#24] // __gr_offs - if (align == 16) { - assert(0); // this path untested but needed for __uint128_t - o(0x11003fde); // add w30,w30,#15 - o(0x121c6fde); // and w30,w30,#-16 - } - o(0x310003c0 | r1 | n << 10); // adds w(r1),w30,#(n) - o(0x540000ad); // b.le .+20 - o(0xf9400000 | r1 | r0 << 5); // ldr x(r1),[x(r0)] // __stack - o(0x9100001e | r1 << 5 | n << 10); // add x30,x(r1),#(n) - o(0xf900001e | r0 << 5); // str x30,[x(r0)] // __stack - o(0x14000004); // b .+16 - o(0xb9001800 | r1 | r0 << 5); // str w(r1),[x(r0),#24] // __gr_offs - o(0xf9400400 | r1 | r0 << 5); // ldr x(r1),[x(r0),#8] // __gr_top - o(0x8b3ec000 | r1 | r1 << 5); // add x(r1),x(r1),w30,sxtw - if (size > 16) - o(0xf9400000 | r1 | r1 << 5); // ldr x(r1),[x(r1)] - } - else { - uint32_t rsz = hfa << 4; - uint32_t ssz = (size + 7) & -(uint32_t)8; - uint32_t b1, b2; - o(0xb9401c1e | r0 << 5); // ldr w30,[x(r0),#28] // __vr_offs - o(0x310003c0 | r1 | rsz << 10); // adds w(r1),w30,#(rsz) - b1 = ind; o(0x5400000d); // b.le lab1 - o(0xf9400000 | r1 | r0 << 5); // ldr x(r1),[x(r0)] // __stack - if (fsize == 16) { - o(0x91003c00 | r1 | r1 << 5); // add x(r1),x(r1),#15 - o(0x927cec00 | r1 | r1 << 5); // and x(r1),x(r1),#-16 - } - o(0x9100001e | r1 << 5 | ssz << 10); // add x30,x(r1),#(ssz) - o(0xf900001e | r0 << 5); // str x30,[x(r0)] // __stack - b2 = ind; o(0x14000000); // b lab2 - // lab1: - *(uint32_t *)(cur_text_section->data + b1) = - (0x5400000d | (ind - b1) << 3); - o(0xb9001c00 | r1 | r0 << 5); // str w(r1),[x(r0),#28] // __vr_offs - o(0xf9400800 | r1 | r0 << 5); // ldr x(r1),[x(r0),#16] // __vr_top - if (hfa == 1 || fsize == 16) - o(0x8b3ec000 | r1 | r1 << 5); // add x(r1),x(r1),w30,sxtw - else { - // We need to change the layout of this HFA. - // Get some space on the stack using global variable "loc": - loc = (loc - size) & -(uint32_t)align; - o(0x8b3ec000 | 30 | r1 << 5); // add x30,x(r1),w30,sxtw - arm64_movimm(r1, loc); - o(0x8b0003a0 | r1 | r1 << 16); // add x(r1),x29,x(r1) - o(0x4c402bdc | (uint32_t)fsize << 7 | - (uint32_t)(hfa == 2) << 15 | - (uint32_t)(hfa == 3) << 14); // ld1 {v28.(4s|2d),...},[x30] - o(0x0d00801c | r1 << 5 | (fsize == 8) << 10 | - (uint32_t)(hfa != 2) << 13 | - (uint32_t)(hfa != 3) << 21); // st(hfa) {v28.(s|d),...}[0],[x(r1)] - } - // lab2: - *(uint32_t *)(cur_text_section->data + b2) = - (0x14000000 | (ind - b2) >> 2); - } -} - -ST_FUNC int regargs_nregs(RegArgs *args) -{ - return *args; -} - -ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *align, int *regsize, RegArgs *args) -{ - *args = 0; - - return 0; -} - -ST_FUNC void greturn(void) -{ - CType *t = &func_vt; - unsigned long a; - - arm64_pcs(0, &t, &a); - switch (a) { - case -1: - break; - case 0: - if ((func_vt.t & VT_BTYPE) == VT_STRUCT) { - int align, size = type_size(&func_vt, &align); - gaddrof(); - gv(RC_R(0)); - arm64_ldrs(0, size); - } - else - gv(RC_IRET); - break; - case 1: { - CType type = func_vt; - mk_pointer(&type); - vset(&type, VT_LOCAL | VT_LVAL, func_vc); - indir(); - vswap(); - vstore(); - break; - } - case 16: - if ((func_vt.t & VT_BTYPE) == VT_STRUCT) { - int j, sz, n = arm64_hfa(&vtop->type, &sz); - gaddrof(); - gv(RC_R(0)); - for (j = 0; j < n; j++) - o(0x3d400000 | - (sz & 16) << 19 | -(sz & 8) << 27 | (sz & 4) << 29 | - j | j << 10); // ldr ([sdq])(*),[x0,#(j * sz)] - } - else - gv(RC_FRET); - break; - default: - assert(0); - } -} - -ST_FUNC void gfunc_epilog(void) -{ - if (loc) { - // Insert instructions to subtract size of stack frame from SP. - uint32_t *ptr = - (uint32_t *)(cur_text_section->data + arm64_func_sub_sp_offset); - uint64_t diff = (-loc + 15) & ~15; - if (!(diff >> 24)) { - if (diff & 0xfff) // sub sp,sp,#(diff & 0xfff) - ptr[0] = 0xd10003ff | (diff & 0xfff) << 10; - if (diff >> 12) // sub sp,sp,#(diff >> 12),lsl #12 - ptr[1] = 0xd14003ff | (diff >> 12) << 10; - } - else { - // In this case we may subtract more than necessary, - // but always less than 17/16 of what we were aiming for. - int i = 0; - int j = 0; - while (diff >> 20) { - diff = (diff + 0xffff) >> 16; - ++i; - } - while (diff >> 16) { - diff = (diff + 1) >> 1; - ++j; - } - ptr[0] = 0xd2800010 | diff << 5 | i << 21; - // mov x16,#(diff),lsl #(16 * i) - ptr[1] = 0xcb3063ff | j << 10; - // sub sp,sp,x16,lsl #(j) - } - } - o(0x910003bf); // mov sp,x29 - o(0xa8ce7bfd); // ldp x29,x30,[sp],#224 - - o(0xd65f03c0); // ret -} - -// Generate forward branch to label: -ST_FUNC int gjmp(int t) -{ - int r = ind; - o(t); - return r; -} - -// Generate branch to known address: -ST_FUNC void gjmp_addr(int a) -{ - assert(a - ind + 0x8000000 < 0x10000000); - o(0x14000000 | ((a - ind) >> 2 & 0x3ffffff)); -} - -ST_FUNC int gtst(int inv, int t) -{ - int bt = vtop->type.t & VT_BTYPE; - if (bt == VT_LDOUBLE) { - int a, b, f = fltr(gv(RC_FLOAT)); - a = get_reg(RC_INT); - vpushi(0); - vtop[0].r = a; - b = get_reg(RC_INT); - a = intr(a); - b = intr(b); - o(0x4e083c00 | a | f << 5); // mov x(a),v(f).d[0] - o(0x4e183c00 | b | f << 5); // mov x(b),v(f).d[1] - o(0xaa000400 | a | a << 5 | b << 16); // orr x(a),x(a),x(b),lsl #1 - o(0xb4000040 | a | !!inv << 24); // cbz/cbnz x(a),.+8 - --vtop; - } - else if (bt == VT_FLOAT || bt == VT_DOUBLE) { - int a = fltr(gv(RC_FLOAT)); - o(0x1e202008 | a << 5 | (bt != VT_FLOAT) << 22); // fcmp - o(0x54000040 | !!inv); // b.eq/b.ne .+8 - } - else { - int ll = (bt == VT_PTR || bt == VT_LLONG); - int a = intr(gv(RC_INT)); - o(0x34000040 | a | !!inv << 24 | ll << 31); // cbz/cbnz wA,.+8 - } - --vtop; - return gjmp(t); -} - -static int arm64_iconst(uint64_t *val, SValue *sv) -{ - if ((sv->r & (VT_VALMASK | VT_LVAL | VT_SYM)) != VT_CONST) - return 0; - if (val) { - int t = sv->type.t & (VT_BTYPE | VT_UNSIGNED); - // It's crazy how TCC has all these alternatives for storing a value: - if (t == (VT_LLONG | VT_UNSIGNED)) - *val = sv->c.ull; - else if (t == VT_LLONG) - *val = sv->c.ll; - else if (t & VT_UNSIGNED) - *val = sv->c.ui; - else - *val = sv->c.i; - } - return 1; -} - -static int arm64_gen_opic(int op, uint32_t l, int rev, uint64_t val, - uint32_t x, uint32_t a) -{ - if (op == '-' && !rev) { - val = -val; - op = '+'; - } - val = l ? val : (uint32_t)val; - - switch (op) { - - case '+': { - int s = l ? val >> 63 : val >> 31; - val = s ? -val : val; - val = l ? val : (uint32_t)val; - if (!(val & ~(uint64_t)0xfff)) - o(0x11000000 | l << 31 | s << 30 | x | a << 5 | val << 10); - else if (!(val & ~(uint64_t)0xfff000)) - o(0x11400000 | l << 31 | s << 30 | x | a << 5 | val >> 12 << 10); - else { - arm64_movimm(30, val); // use x30 - o(0x0b1e0000 | l << 31 | s << 30 | x | a << 5); - } - return 1; - } - - case '-': - if (!val) - o(0x4b0003e0 | l << 31 | x | a << 16); // neg - else if (val == (l ? (uint64_t)-1 : (uint32_t)-1)) - o(0x2a2003e0 | l << 31 | x | a << 16); // mvn - else { - arm64_movimm(30, val); // use x30 - o(0x4b0003c0 | l << 31 | x | a << 16); // sub - } - return 1; - - case '^': - if (val == -1 || (val == 0xffffffff && !l)) { - o(0x2a2003e0 | l << 31 | x | a << 16); // mvn - return 1; - } - // fall through - case '&': - case '|': { - int e = arm64_encode_bimm64(l ? val : val | val << 32); - if (e < 0) - return 0; - o((op == '&' ? 0x12000000 : - op == '|' ? 0x32000000 : 0x52000000) | - l << 31 | x | a << 5 | (uint32_t)e << 10); - return 1; - } - - case TOK_SAR: - case TOK_SHL: - case TOK_SHR: { - uint32_t n = 32 << l; - val = val & (n - 1); - if (rev) - return 0; - if (!val) - assert(0); - else if (op == TOK_SHL) - o(0x53000000 | l << 31 | l << 22 | x | a << 5 | - (n - val) << 16 | (n - 1 - val) << 10); // lsl - else - o(0x13000000 | (op == TOK_SHR) << 30 | l << 31 | l << 22 | - x | a << 5 | val << 16 | (n - 1) << 10); // lsr/asr - return 1; - } - - } - return 0; -} - -static void arm64_gen_opil(int op, uint32_t l) -{ - uint32_t x, a, b; - - // Special treatment for operations with a constant operand: - { - uint64_t val; - int rev = 1; - - if (arm64_iconst(0, &vtop[0])) { - vswap(); - rev = 0; - } - if (arm64_iconst(&val, &vtop[-1])) { - gv(RC_INT); - a = intr(vtop[0].r); - --vtop; - x = get_reg(RC_INT); - ++vtop; - if (arm64_gen_opic(op, l, rev, val, intr(x), a)) { - vtop[0].r = x; - vswap(); - --vtop; - return; - } - } - if (!rev) - vswap(); - } - - gv2(RC_INT, RC_INT); - assert(vtop[-1].r < VT_CONST && vtop[0].r < VT_CONST); - a = intr(vtop[-1].r); - b = intr(vtop[0].r); - vtop -= 2; - x = get_reg(RC_INT); - ++vtop; - vtop[0].r = x; - x = intr(x); - - switch (op) { - case '%': - // Use x30 for quotient: - o(0x1ac00c00 | l << 31 | 30 | a << 5 | b << 16); // sdiv - o(0x1b008000 | l << 31 | x | 30 << 5 | b << 16 | a << 10); // msub - break; - case '&': - o(0x0a000000 | l << 31 | x | a << 5 | b << 16); // and - break; - case '*': - o(0x1b007c00 | l << 31 | x | a << 5 | b << 16); // mul - break; - case '+': - o(0x0b000000 | l << 31 | x | a << 5 | b << 16); // add - break; - case '-': - o(0x4b000000 | l << 31 | x | a << 5 | b << 16); // sub - break; - case '/': - o(0x1ac00c00 | l << 31 | x | a << 5 | b << 16); // sdiv - break; - case '^': - o(0x4a000000 | l << 31 | x | a << 5 | b << 16); // eor - break; - case '|': - o(0x2a000000 | l << 31 | x | a << 5 | b << 16); // orr - break; - case TOK_EQ: - o(0x6b00001f | l << 31 | a << 5 | b << 16); // cmp - o(0x1a9f17e0 | x); // cset wA,eq - break; - case TOK_GE: - o(0x6b00001f | l << 31 | a << 5 | b << 16); // cmp - o(0x1a9fb7e0 | x); // cset wA,ge - break; - case TOK_GT: - o(0x6b00001f | l << 31 | a << 5 | b << 16); // cmp - o(0x1a9fd7e0 | x); // cset wA,gt - break; - case TOK_LE: - o(0x6b00001f | l << 31 | a << 5 | b << 16); // cmp - o(0x1a9fc7e0 | x); // cset wA,le - break; - case TOK_LT: - o(0x6b00001f | l << 31 | a << 5 | b << 16); // cmp - o(0x1a9fa7e0 | x); // cset wA,lt - break; - case TOK_NE: - o(0x6b00001f | l << 31 | a << 5 | b << 16); // cmp - o(0x1a9f07e0 | x); // cset wA,ne - break; - case TOK_SAR: - o(0x1ac02800 | l << 31 | x | a << 5 | b << 16); // asr - break; - case TOK_SHL: - o(0x1ac02000 | l << 31 | x | a << 5 | b << 16); // lsl - break; - case TOK_SHR: - o(0x1ac02400 | l << 31 | x | a << 5 | b << 16); // lsr - break; - case TOK_UDIV: - case TOK_PDIV: - o(0x1ac00800 | l << 31 | x | a << 5 | b << 16); // udiv - break; - case TOK_UGE: - o(0x6b00001f | l << 31 | a << 5 | b << 16); // cmp - o(0x1a9f37e0 | x); // cset wA,cs - break; - case TOK_UGT: - o(0x6b00001f | l << 31 | a << 5 | b << 16); // cmp - o(0x1a9f97e0 | x); // cset wA,hi - break; - case TOK_ULT: - o(0x6b00001f | l << 31 | a << 5 | b << 16); // cmp - o(0x1a9f27e0 | x); // cset wA,cc - break; - case TOK_ULE: - o(0x6b00001f | l << 31 | a << 5 | b << 16); // cmp - o(0x1a9f87e0 | x); // cset wA,ls - break; - case TOK_UMOD: - // Use x30 for quotient: - o(0x1ac00800 | l << 31 | 30 | a << 5 | b << 16); // udiv - o(0x1b008000 | l << 31 | x | 30 << 5 | b << 16 | a << 10); // msub - break; - default: - assert(0); - } -} - -ST_FUNC void gen_opi(int op) -{ - arm64_gen_opil(op, 0); -} - -ST_FUNC void gen_opl(int op) -{ - arm64_gen_opil(op, 1); -} - -ST_FUNC void gen_opf(int op) -{ - int x, a, b, dbl; - - if (vtop[0].type.t == VT_LDOUBLE) { - CType type = vtop[0].type; - int func = 0; - int cond = -1; - switch (op) { - case '*': func = TOK___multf3; break; - case '+': func = TOK___addtf3; break; - case '-': func = TOK___subtf3; break; - case '/': func = TOK___divtf3; break; - case TOK_EQ: func = TOK___eqtf2; cond = 1; break; - case TOK_NE: func = TOK___netf2; cond = 0; break; - case TOK_LT: func = TOK___lttf2; cond = 10; break; - case TOK_GE: func = TOK___getf2; cond = 11; break; - case TOK_LE: func = TOK___letf2; cond = 12; break; - case TOK_GT: func = TOK___gttf2; cond = 13; break; - default: assert(0); break; - } - vpush_global_sym(&func_old_type, func); - vrott(3); - gfunc_call(2); - vpushi(0); - vtop->r = cond < 0 ? REG_FRET : REG_IRET; - if (cond < 0) - vtop->type = type; - else { - o(0x7100001f); // cmp w0,#0 - o(0x1a9f07e0 | cond << 12); // cset w0,(cond) - } - return; - } - - dbl = vtop[0].type.t != VT_FLOAT; - gv2(RC_FLOAT, RC_FLOAT); - assert(vtop[-1].r < VT_CONST && vtop[0].r < VT_CONST); - a = fltr(vtop[-1].r); - b = fltr(vtop[0].r); - vtop -= 2; - switch (op) { - case TOK_EQ: case TOK_NE: - case TOK_LT: case TOK_GE: case TOK_LE: case TOK_GT: - x = get_reg(RC_INT); - ++vtop; - vtop[0].r = x; - x = intr(x); - break; - default: - x = get_reg(RC_FLOAT); - ++vtop; - vtop[0].r = x; - x = fltr(x); - break; - } - - switch (op) { - case '*': - o(0x1e200800 | dbl << 22 | x | a << 5 | b << 16); // fmul - break; - case '+': - o(0x1e202800 | dbl << 22 | x | a << 5 | b << 16); // fadd - break; - case '-': - o(0x1e203800 | dbl << 22 | x | a << 5 | b << 16); // fsub - break; - case '/': - o(0x1e201800 | dbl << 22 | x | a << 5 | b << 16); // fdiv - break; - case TOK_EQ: - o(0x1e202000 | dbl << 22 | a << 5 | b << 16); // fcmp - o(0x1a9f17e0 | x); // cset w(x),eq - break; - case TOK_GE: - o(0x1e202000 | dbl << 22 | a << 5 | b << 16); // fcmp - o(0x1a9fb7e0 | x); // cset w(x),ge - break; - case TOK_GT: - o(0x1e202000 | dbl << 22 | a << 5 | b << 16); // fcmp - o(0x1a9fd7e0 | x); // cset w(x),gt - break; - case TOK_LE: - o(0x1e202000 | dbl << 22 | a << 5 | b << 16); // fcmp - o(0x1a9f87e0 | x); // cset w(x),ls - break; - case TOK_LT: - o(0x1e202000 | dbl << 22 | a << 5 | b << 16); // fcmp - o(0x1a9f57e0 | x); // cset w(x),mi - break; - case TOK_NE: - o(0x1e202000 | dbl << 22 | a << 5 | b << 16); // fcmp - o(0x1a9f07e0 | x); // cset w(x),ne - break; - default: - assert(0); - } -} - -// Generate sign extension from 32 to 64 bits: -ST_FUNC void gen_cvt_sxtw(void) -{ - int r = intr(gv(RC_INT)); - o(0x93407c00 | r | r << 5); // sxtw x(r),w(r) -} - -ST_FUNC void gen_cvt_itof(int t) -{ - if (t == VT_LDOUBLE) { - int f = vtop->type.t; - int func = (f & VT_BTYPE) == VT_LLONG ? - (f & VT_UNSIGNED ? TOK___floatunditf : TOK___floatditf) : - (f & VT_UNSIGNED ? TOK___floatunsitf : TOK___floatsitf); - vpush_global_sym(&func_old_type, func); - vrott(2); - gfunc_call(1); - vpushi(0); - vtop->type.t = t; - vtop->r = REG_FRET; - return; - } - else { - int d, n = intr(gv(RC_INT)); - int s = !(vtop->type.t & VT_UNSIGNED); - int l = ((vtop->type.t & VT_BTYPE) == VT_LLONG); - --vtop; - d = get_reg(RC_FLOAT); - ++vtop; - vtop[0].r = d; - o(0x1e220000 | !s << 16 | (t != VT_FLOAT) << 22 | fltr(d) | - l << 31 | n << 5); // [us]cvtf [sd](d),[wx](n) - } -} - -ST_FUNC void gen_cvt_ftoi(int t) -{ - if ((vtop->type.t & VT_BTYPE) == VT_LDOUBLE) { - int func = (t & VT_BTYPE) == VT_LLONG ? - (t & VT_UNSIGNED ? TOK___fixunstfdi : TOK___fixtfdi) : - (t & VT_UNSIGNED ? TOK___fixunstfsi : TOK___fixtfsi); - vpush_global_sym(&func_old_type, func); - vrott(2); - gfunc_call(1); - vpushi(0); - vtop->type.t = t; - vtop->r = REG_IRET; - return; - } - else { - int d, n = fltr(gv(RC_FLOAT)); - int l = ((vtop->type.t & VT_BTYPE) != VT_FLOAT); - --vtop; - d = get_reg(RC_INT); - ++vtop; - vtop[0].r = d; - o(0x1e380000 | - !!(t & VT_UNSIGNED) << 16 | - ((t & VT_BTYPE) == VT_LLONG) << 31 | intr(d) | - l << 22 | n << 5); // fcvtz[su] [wx](d),[sd](n) - } -} - -ST_FUNC void gen_cvt_ftof(int t) -{ - int f = vtop[0].type.t; - assert(t == VT_FLOAT || t == VT_DOUBLE || t == VT_LDOUBLE); - assert(f == VT_FLOAT || f == VT_DOUBLE || f == VT_LDOUBLE); - if (t == f) - return; - - if (t == VT_LDOUBLE || f == VT_LDOUBLE) { - int func = (t == VT_LDOUBLE) ? - (f == VT_FLOAT ? TOK___extendsftf2 : TOK___extenddftf2) : - (t == VT_FLOAT ? TOK___trunctfsf2 : TOK___trunctfdf2); - vpush_global_sym(&func_old_type, func); - vrott(2); - gfunc_call(1); - vpushi(0); - vtop->type.t = t; - vtop->r = REG_FRET; - } - else { - int x, a; - gv(RC_FLOAT); - assert(vtop[0].r < VT_CONST); - a = fltr(vtop[0].r); - --vtop; - x = get_reg(RC_FLOAT); - ++vtop; - vtop[0].r = x; - x = fltr(x); - - if (f == VT_FLOAT) - o(0x1e22c000 | x | a << 5); // fcvt d(x),s(a) - else - o(0x1e624000 | x | a << 5); // fcvt s(x),d(a) - } -} - -ST_FUNC void ggoto(void) -{ - arm64_gen_bl_or_b(1); - --vtop; -} - -ST_FUNC void gen_clear_cache(void) -{ - uint32_t beg, end, dsz, isz, p, lab1, b1; - gv2(RC_INT, RC_INT); - vpushi(0); - vtop->r = get_reg(RC_INT); - vpushi(0); - vtop->r = get_reg(RC_INT); - vpushi(0); - vtop->r = get_reg(RC_INT); - beg = intr(vtop[-4].r); // x0 - end = intr(vtop[-3].r); // x1 - dsz = intr(vtop[-2].r); // x2 - isz = intr(vtop[-1].r); // x3 - p = intr(vtop[0].r); // x4 - vtop -= 5; - - o(0xd53b0020 | isz); // mrs x(isz),ctr_el0 - o(0x52800080 | p); // mov w(p),#4 - o(0x53104c00 | dsz | isz << 5); // ubfx w(dsz),w(isz),#16,#4 - o(0x1ac02000 | dsz | p << 5 | dsz << 16); // lsl w(dsz),w(p),w(dsz) - o(0x12000c00 | isz | isz << 5); // and w(isz),w(isz),#15 - o(0x1ac02000 | isz | p << 5 | isz << 16); // lsl w(isz),w(p),w(isz) - o(0x51000400 | p | dsz << 5); // sub w(p),w(dsz),#1 - o(0x8a240004 | p | beg << 5 | p << 16); // bic x(p),x(beg),x(p) - b1 = ind; o(0x14000000); // b - lab1 = ind; - o(0xd50b7b20 | p); // dc cvau,x(p) - o(0x8b000000 | p | p << 5 | dsz << 16); // add x(p),x(p),x(dsz) - *(uint32_t *)(cur_text_section->data + b1) = - (0x14000000 | (ind - b1) >> 2); - o(0xeb00001f | p << 5 | end << 16); // cmp x(p),x(end) - o(0x54ffffa3 | ((lab1 - ind) << 3 & 0xffffe0)); // b.cc lab1 - o(0xd5033b9f); // dsb ish - o(0x51000400 | p | isz << 5); // sub w(p),w(isz),#1 - o(0x8a240004 | p | beg << 5 | p << 16); // bic x(p),x(beg),x(p) - b1 = ind; o(0x14000000); // b - lab1 = ind; - o(0xd50b7520 | p); // ic ivau,x(p) - o(0x8b000000 | p | p << 5 | isz << 16); // add x(p),x(p),x(isz) - *(uint32_t *)(cur_text_section->data + b1) = - (0x14000000 | (ind - b1) >> 2); - o(0xeb00001f | p << 5 | end << 16); // cmp x(p),x(end) - o(0x54ffffa3 | ((lab1 - ind) << 3 & 0xffffe0)); // b.cc lab1 - o(0xd5033b9f); // dsb ish - o(0xd5033fdf); // isb -} - -ST_FUNC void gen_vla_sp_save(int addr) { - tcc_error("variable length arrays unsupported for this target"); -} - -ST_FUNC void gen_vla_sp_restore(int addr) { - tcc_error("variable length arrays unsupported for this target"); -} - -ST_FUNC void gen_vla_alloc(CType *type, int align) { - tcc_error("variable length arrays unsupported for this target"); -} - -/* end of A64 code generator */ -/*************************************************************/ -#endif -/*************************************************************/ diff --git a/src/cil/il-gen.c b/src/cil/il-gen.c deleted file mode 100644 index a4170b0..0000000 --- a/src/cil/il-gen.c +++ /dev/null @@ -1,655 +0,0 @@ -/* - * CIL code generator for TCC - * - * Copyright (c) 2002 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/* number of available registers */ -#define NB_REGS 3 - -/* a register can belong to several classes. The classes must be - sorted from more general to more precise (see gv2() code which does - assumptions on it). */ -#define RC_ST 0x0001 /* any stack entry */ -#define RC_ST0 0x0002 /* top of stack */ -#define RC_ST1 0x0004 /* top - 1 */ - -#define RC_INT RC_ST -#define RC_FLOAT RC_ST -#define RC_IRET RC_ST0 /* function return: integer register */ -#define RC_LRET RC_ST0 /* function return: second integer register */ -#define RC_FRET RC_ST0 /* function return: float register */ - -/* pretty names for the registers */ -enum { - REG_ST0 = 0, - REG_ST1, - REG_ST2, -}; - -const int reg_classes[NB_REGS] = { - /* ST0 */ RC_ST | RC_ST0, - /* ST1 */ RC_ST | RC_ST1, - /* ST2 */ RC_ST, -}; - -/* return registers for function */ -#define REG_IRET REG_ST0 /* single word int return register */ -#define REG_LRET REG_ST0 /* second word return register (for long long) */ -#define REG_FRET REG_ST0 /* float return register */ - -/* defined if function parameters must be evaluated in reverse order */ -/* #define INVERT_FUNC_PARAMS */ - -/* defined if structures are passed as pointers. Otherwise structures - are directly pushed on stack. */ -/* #define FUNC_STRUCT_PARAM_AS_PTR */ - -/* pointer size, in bytes */ -#define PTR_SIZE 4 - -/* long double size and alignment, in bytes */ -#define LDOUBLE_SIZE 8 -#define LDOUBLE_ALIGN 8 - -/* function call context */ -typedef struct GFuncContext { - int func_call; /* func call type (FUNC_STDCALL or FUNC_CDECL) */ -} GFuncContext; - -/******************************************************/ -/* opcode definitions */ - -#define IL_OP_PREFIX 0xFE - -enum ILOPCodes { -#define OP(name, str, n) IL_OP_ ## name = n, -#include "il-opcodes.h" -#undef OP -}; - -char *il_opcodes_str[] = { -#define OP(name, str, n) [n] = str, -#include "il-opcodes.h" -#undef OP -}; - -/******************************************************/ - -/* arguments variable numbers start from there */ -#define ARG_BASE 0x70000000 - -static FILE *il_outfile; - -static void out_byte(int c) -{ - *(char *)ind++ = c; -} - -static void out_le32(int c) -{ - out_byte(c); - out_byte(c >> 8); - out_byte(c >> 16); - out_byte(c >> 24); -} - -static void init_outfile(void) -{ - if (!il_outfile) { - il_outfile = stdout; - fprintf(il_outfile, - ".assembly extern mscorlib\n" - "{\n" - ".ver 1:0:2411:0\n" - "}\n\n"); - } -} - -static void out_op1(int op) -{ - if (op & 0x100) - out_byte(IL_OP_PREFIX); - out_byte(op & 0xff); -} - -/* output an opcode with prefix */ -static void out_op(int op) -{ - out_op1(op); - fprintf(il_outfile, " %s\n", il_opcodes_str[op]); -} - -static void out_opb(int op, int c) -{ - out_op1(op); - out_byte(c); - fprintf(il_outfile, " %s %d\n", il_opcodes_str[op], c); -} - -static void out_opi(int op, int c) -{ - out_op1(op); - out_le32(c); - fprintf(il_outfile, " %s 0x%x\n", il_opcodes_str[op], c); -} - -/* XXX: not complete */ -static void il_type_to_str(char *buf, int buf_size, - int t, const char *varstr) -{ - int bt; - Sym *s, *sa; - char buf1[256]; - const char *tstr; - - t = t & VT_TYPE; - bt = t & VT_BTYPE; - buf[0] = '\0'; - if (t & VT_UNSIGNED) - pstrcat(buf, buf_size, "unsigned "); - switch(bt) { - case VT_VOID: - tstr = "void"; - goto add_tstr; - case VT_BOOL: - tstr = "bool"; - goto add_tstr; - case VT_BYTE: - tstr = "int8"; - goto add_tstr; - case VT_SHORT: - tstr = "int16"; - goto add_tstr; - case VT_ENUM: - case VT_INT: - case VT_LONG: - tstr = "int32"; - goto add_tstr; - case VT_LLONG: - tstr = "int64"; - goto add_tstr; - case VT_FLOAT: - tstr = "float32"; - goto add_tstr; - case VT_DOUBLE: - case VT_LDOUBLE: - tstr = "float64"; - add_tstr: - pstrcat(buf, buf_size, tstr); - break; - case VT_STRUCT: - tcc_error("structures not handled yet"); - break; - case VT_FUNC: - s = sym_find((unsigned)t >> VT_STRUCT_SHIFT); - il_type_to_str(buf, buf_size, s->t, varstr); - pstrcat(buf, buf_size, "("); - sa = s->next; - while (sa != NULL) { - il_type_to_str(buf1, sizeof(buf1), sa->t, NULL); - pstrcat(buf, buf_size, buf1); - sa = sa->next; - if (sa) - pstrcat(buf, buf_size, ", "); - } - pstrcat(buf, buf_size, ")"); - goto no_var; - case VT_PTR: - s = sym_find((unsigned)t >> VT_STRUCT_SHIFT); - pstrcpy(buf1, sizeof(buf1), "*"); - if (varstr) - pstrcat(buf1, sizeof(buf1), varstr); - il_type_to_str(buf, buf_size, s->t, buf1); - goto no_var; - } - if (varstr) { - pstrcat(buf, buf_size, " "); - pstrcat(buf, buf_size, varstr); - } - no_var: ; -} - - -/* patch relocation entry with value 'val' */ -void greloc_patch1(Reloc *p, int val) -{ -} - -/* output a symbol and patch all calls to it */ -void gsym_addr(t, a) -{ -} - -/* output jump and return symbol */ -static int out_opj(int op, int c) -{ - out_op1(op); - out_le32(0); - if (c == 0) { - c = ind - (int)cur_text_section->data; - } - fprintf(il_outfile, " %s L%d\n", il_opcodes_str[op], c); - return c; -} - -void gsym(int t) -{ - fprintf(il_outfile, "L%d:\n", t); -} - -/* load 'r' from value 'sv' */ -void load(int r, SValue *sv) -{ - int v, fc, ft; - - v = sv->r & VT_VALMASK; - fc = sv->c.i; - ft = sv->t; - - if (sv->r & VT_LVAL) { - if (v == VT_LOCAL) { - if (fc >= ARG_BASE) { - fc -= ARG_BASE; - if (fc >= 0 && fc <= 4) { - out_op(IL_OP_LDARG_0 + fc); - } else if (fc <= 0xff) { - out_opb(IL_OP_LDARG_S, fc); - } else { - out_opi(IL_OP_LDARG, fc); - } - } else { - if (fc >= 0 && fc <= 4) { - out_op(IL_OP_LDLOC_0 + fc); - } else if (fc <= 0xff) { - out_opb(IL_OP_LDLOC_S, fc); - } else { - out_opi(IL_OP_LDLOC, fc); - } - } - } else if (v == VT_CONST) { - /* XXX: handle globals */ - out_opi(IL_OP_LDSFLD, 0); - } else { - if ((ft & VT_BTYPE) == VT_FLOAT) { - out_op(IL_OP_LDIND_R4); - } else if ((ft & VT_BTYPE) == VT_DOUBLE) { - out_op(IL_OP_LDIND_R8); - } else if ((ft & VT_BTYPE) == VT_LDOUBLE) { - out_op(IL_OP_LDIND_R8); - } else if ((ft & VT_TYPE) == VT_BYTE) - out_op(IL_OP_LDIND_I1); - else if ((ft & VT_TYPE) == (VT_BYTE | VT_UNSIGNED)) - out_op(IL_OP_LDIND_U1); - else if ((ft & VT_TYPE) == VT_SHORT) - out_op(IL_OP_LDIND_I2); - else if ((ft & VT_TYPE) == (VT_SHORT | VT_UNSIGNED)) - out_op(IL_OP_LDIND_U2); - else - out_op(IL_OP_LDIND_I4); - } - } else { - if (v == VT_CONST) { - /* XXX: handle globals */ - if (fc >= -1 && fc <= 8) { - out_op(IL_OP_LDC_I4_M1 + fc + 1); - } else { - out_opi(IL_OP_LDC_I4, fc); - } - } else if (v == VT_LOCAL) { - if (fc >= ARG_BASE) { - fc -= ARG_BASE; - if (fc <= 0xff) { - out_opb(IL_OP_LDARGA_S, fc); - } else { - out_opi(IL_OP_LDARGA, fc); - } - } else { - if (fc <= 0xff) { - out_opb(IL_OP_LDLOCA_S, fc); - } else { - out_opi(IL_OP_LDLOCA, fc); - } - } - } else { - /* XXX: do it */ - } - } -} - -/* store register 'r' in lvalue 'v' */ -void store(int r, SValue *sv) -{ - int v, fc, ft; - - v = sv->r & VT_VALMASK; - fc = sv->c.i; - ft = sv->t; - if (v == VT_LOCAL) { - if (fc >= ARG_BASE) { - fc -= ARG_BASE; - /* XXX: check IL arg store semantics */ - if (fc <= 0xff) { - out_opb(IL_OP_STARG_S, fc); - } else { - out_opi(IL_OP_STARG, fc); - } - } else { - if (fc >= 0 && fc <= 4) { - out_op(IL_OP_STLOC_0 + fc); - } else if (fc <= 0xff) { - out_opb(IL_OP_STLOC_S, fc); - } else { - out_opi(IL_OP_STLOC, fc); - } - } - } else if (v == VT_CONST) { - /* XXX: handle globals */ - out_opi(IL_OP_STSFLD, 0); - } else { - if ((ft & VT_BTYPE) == VT_FLOAT) - out_op(IL_OP_STIND_R4); - else if ((ft & VT_BTYPE) == VT_DOUBLE) - out_op(IL_OP_STIND_R8); - else if ((ft & VT_BTYPE) == VT_LDOUBLE) - out_op(IL_OP_STIND_R8); - else if ((ft & VT_BTYPE) == VT_BYTE) - out_op(IL_OP_STIND_I1); - else if ((ft & VT_BTYPE) == VT_SHORT) - out_op(IL_OP_STIND_I2); - else - out_op(IL_OP_STIND_I4); - } -} - -/* start function call and return function call context */ -void gfunc_start(GFuncContext *c, int func_call) -{ - c->func_call = func_call; -} - -/* push function parameter which is in (vtop->t, vtop->c). Stack entry - is then popped. */ -void gfunc_param(GFuncContext *c) -{ - if ((vtop->t & VT_BTYPE) == VT_STRUCT) { - tcc_error("structures passed as value not handled yet"); - } else { - /* simply push on stack */ - gv(RC_ST0); - } - vtop--; -} - -/* generate function call with address in (vtop->t, vtop->c) and free function - context. Stack entry is popped */ -void gfunc_call(GFuncContext *c) -{ - char buf[1024]; - - if ((vtop->r & (VT_VALMASK | VT_LVAL)) == VT_CONST) { - /* XXX: more info needed from tcc */ - il_type_to_str(buf, sizeof(buf), vtop->t, "xxx"); - fprintf(il_outfile, " call %s\n", buf); - } else { - /* indirect call */ - gv(RC_INT); - il_type_to_str(buf, sizeof(buf), vtop->t, NULL); - fprintf(il_outfile, " calli %s\n", buf); - } - vtop--; -} - -/* generate function prolog of type 't' */ -void gfunc_prolog(int t) -{ - int addr, u, func_call; - Sym *sym; - char buf[1024]; - - init_outfile(); - - /* XXX: pass function name to gfunc_prolog */ - il_type_to_str(buf, sizeof(buf), t, funcname); - fprintf(il_outfile, ".method static %s il managed\n", buf); - fprintf(il_outfile, "{\n"); - /* XXX: cannot do better now */ - fprintf(il_outfile, " .maxstack %d\n", NB_REGS); - fprintf(il_outfile, " .locals (int32, int32, int32, int32, int32, int32, int32, int32)\n"); - - if (!strcmp(funcname, "main")) - fprintf(il_outfile, " .entrypoint\n"); - - sym = sym_find((unsigned)t >> VT_STRUCT_SHIFT); - func_call = sym->r; - - addr = ARG_BASE; - /* if the function returns a structure, then add an - implicit pointer parameter */ - func_vt = sym->t; - func_var = (sym->c == FUNC_ELLIPSIS); - if ((func_vt & VT_BTYPE) == VT_STRUCT) { - func_vc = addr; - addr++; - } - /* define parameters */ - while ((sym = sym->next) != NULL) { - u = sym->t; - sym_push(sym->v & ~SYM_FIELD, u, - VT_LOCAL | lvalue_type(sym->type.t), addr); - addr++; - } -} - -/* generate function epilog */ -void gfunc_epilog(void) -{ - out_op(IL_OP_RET); - fprintf(il_outfile, "}\n\n"); -} - -/* generate a jump to a label */ -int gjmp(int t) -{ - return out_opj(IL_OP_BR, t); -} - -/* generate a jump to a fixed address */ -void gjmp_addr(int a) -{ - /* XXX: handle syms */ - out_opi(IL_OP_BR, a); -} - -/* generate a test. set 'inv' to invert test. Stack entry is popped */ -int gtst(int inv, int t) -{ - int v, *p, c; - - v = vtop->r & VT_VALMASK; - if (v == VT_CMP) { - c = vtop->c.i ^ inv; - switch(c) { - case TOK_EQ: - c = IL_OP_BEQ; - break; - case TOK_NE: - c = IL_OP_BNE_UN; - break; - case TOK_LT: - c = IL_OP_BLT; - break; - case TOK_LE: - c = IL_OP_BLE; - break; - case TOK_GT: - c = IL_OP_BGT; - break; - case TOK_GE: - c = IL_OP_BGE; - break; - case TOK_ULT: - c = IL_OP_BLT_UN; - break; - case TOK_ULE: - c = IL_OP_BLE_UN; - break; - case TOK_UGT: - c = IL_OP_BGT_UN; - break; - case TOK_UGE: - c = IL_OP_BGE_UN; - break; - } - t = out_opj(c, t); - } else if (v == VT_JMP || v == VT_JMPI) { - /* && or || optimization */ - if ((v & 1) == inv) { - /* insert vtop->c jump list in t */ - p = &vtop->c.i; - while (*p != 0) - p = (int *)*p; - *p = t; - t = vtop->c.i; - } else { - t = gjmp(t); - gsym(vtop->c.i); - } - } - vtop--; - return t; -} - -/* generate an integer binary operation */ -void gen_opi(int op) -{ - gv2(RC_ST1, RC_ST0); - switch(op) { - case '+': - out_op(IL_OP_ADD); - goto std_op; - case '-': - out_op(IL_OP_SUB); - goto std_op; - case '&': - out_op(IL_OP_AND); - goto std_op; - case '^': - out_op(IL_OP_XOR); - goto std_op; - case '|': - out_op(IL_OP_OR); - goto std_op; - case '*': - out_op(IL_OP_MUL); - goto std_op; - case TOK_SHL: - out_op(IL_OP_SHL); - goto std_op; - case TOK_SHR: - out_op(IL_OP_SHR_UN); - goto std_op; - case TOK_SAR: - out_op(IL_OP_SHR); - goto std_op; - case '/': - case TOK_PDIV: - out_op(IL_OP_DIV); - goto std_op; - case TOK_UDIV: - out_op(IL_OP_DIV_UN); - goto std_op; - case '%': - out_op(IL_OP_REM); - goto std_op; - case TOK_UMOD: - out_op(IL_OP_REM_UN); - std_op: - vtop--; - vtop[0].r = REG_ST0; - break; - case TOK_EQ: - case TOK_NE: - case TOK_LT: - case TOK_LE: - case TOK_GT: - case TOK_GE: - case TOK_ULT: - case TOK_ULE: - case TOK_UGT: - case TOK_UGE: - vtop--; - vtop[0].r = VT_CMP; - vtop[0].c.i = op; - break; - } -} - -/* generate a floating point operation 'v = t1 op t2' instruction. The - two operands are guaranted to have the same floating point type */ -void gen_opf(int op) -{ - /* same as integer */ - gen_opi(op); -} - -/* convert integers to fp 't' type. Must handle 'int', 'unsigned int' - and 'long long' cases. */ -void gen_cvt_itof(int t) -{ - gv(RC_ST0); - if (t == VT_FLOAT) - out_op(IL_OP_CONV_R4); - else - out_op(IL_OP_CONV_R8); -} - -/* convert fp to int 't' type */ -/* XXX: handle long long case */ -void gen_cvt_ftoi(int t) -{ - gv(RC_ST0); - switch(t) { - case VT_INT | VT_UNSIGNED: - out_op(IL_OP_CONV_U4); - break; - case VT_LLONG: - out_op(IL_OP_CONV_I8); - break; - case VT_LLONG | VT_UNSIGNED: - out_op(IL_OP_CONV_U8); - break; - default: - out_op(IL_OP_CONV_I4); - break; - } -} - -/* convert from one floating point type to another */ -void gen_cvt_ftof(int t) -{ - gv(RC_ST0); - if (t == VT_FLOAT) { - out_op(IL_OP_CONV_R4); - } else { - out_op(IL_OP_CONV_R8); - } -} - -/* end of CIL code generator */ -/*************************************************************/ - diff --git a/src/cil/il-opcodes.h b/src/cil/il-opcodes.h deleted file mode 100644 index adf35cf..0000000 --- a/src/cil/il-opcodes.h +++ /dev/null @@ -1,251 +0,0 @@ -/* - * CIL opcode definition - * - * Copyright (c) 2002 Fabrice Bellard - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ -OP(NOP, "nop", 0x00) -OP(BREAK, "break", 0x01) -OP(LDARG_0, "ldarg.0", 0x02) -OP(LDARG_1, "ldarg.1", 0x03) -OP(LDARG_2, "ldarg.2", 0x04) -OP(LDARG_3, "ldarg.3", 0x05) -OP(LDLOC_0, "ldloc.0", 0x06) -OP(LDLOC_1, "ldloc.1", 0x07) -OP(LDLOC_2, "ldloc.2", 0x08) -OP(LDLOC_3, "ldloc.3", 0x09) -OP(STLOC_0, "stloc.0", 0x0a) -OP(STLOC_1, "stloc.1", 0x0b) -OP(STLOC_2, "stloc.2", 0x0c) -OP(STLOC_3, "stloc.3", 0x0d) -OP(LDARG_S, "ldarg.s", 0x0e) -OP(LDARGA_S, "ldarga.s", 0x0f) -OP(STARG_S, "starg.s", 0x10) -OP(LDLOC_S, "ldloc.s", 0x11) -OP(LDLOCA_S, "ldloca.s", 0x12) -OP(STLOC_S, "stloc.s", 0x13) -OP(LDNULL, "ldnull", 0x14) -OP(LDC_I4_M1, "ldc.i4.m1", 0x15) -OP(LDC_I4_0, "ldc.i4.0", 0x16) -OP(LDC_I4_1, "ldc.i4.1", 0x17) -OP(LDC_I4_2, "ldc.i4.2", 0x18) -OP(LDC_I4_3, "ldc.i4.3", 0x19) -OP(LDC_I4_4, "ldc.i4.4", 0x1a) -OP(LDC_I4_5, "ldc.i4.5", 0x1b) -OP(LDC_I4_6, "ldc.i4.6", 0x1c) -OP(LDC_I4_7, "ldc.i4.7", 0x1d) -OP(LDC_I4_8, "ldc.i4.8", 0x1e) -OP(LDC_I4_S, "ldc.i4.s", 0x1f) -OP(LDC_I4, "ldc.i4", 0x20) -OP(LDC_I8, "ldc.i8", 0x21) -OP(LDC_R4, "ldc.r4", 0x22) -OP(LDC_R8, "ldc.r8", 0x23) -OP(LDPTR, "ldptr", 0x24) -OP(DUP, "dup", 0x25) -OP(POP, "pop", 0x26) -OP(JMP, "jmp", 0x27) -OP(CALL, "call", 0x28) -OP(CALLI, "calli", 0x29) -OP(RET, "ret", 0x2a) -OP(BR_S, "br.s", 0x2b) -OP(BRFALSE_S, "brfalse.s", 0x2c) -OP(BRTRUE_S, "brtrue.s", 0x2d) -OP(BEQ_S, "beq.s", 0x2e) -OP(BGE_S, "bge.s", 0x2f) -OP(BGT_S, "bgt.s", 0x30) -OP(BLE_S, "ble.s", 0x31) -OP(BLT_S, "blt.s", 0x32) -OP(BNE_UN_S, "bne.un.s", 0x33) -OP(BGE_UN_S, "bge.un.s", 0x34) -OP(BGT_UN_S, "bgt.un.s", 0x35) -OP(BLE_UN_S, "ble.un.s", 0x36) -OP(BLT_UN_S, "blt.un.s", 0x37) -OP(BR, "br", 0x38) -OP(BRFALSE, "brfalse", 0x39) -OP(BRTRUE, "brtrue", 0x3a) -OP(BEQ, "beq", 0x3b) -OP(BGE, "bge", 0x3c) -OP(BGT, "bgt", 0x3d) -OP(BLE, "ble", 0x3e) -OP(BLT, "blt", 0x3f) -OP(BNE_UN, "bne.un", 0x40) -OP(BGE_UN, "bge.un", 0x41) -OP(BGT_UN, "bgt.un", 0x42) -OP(BLE_UN, "ble.un", 0x43) -OP(BLT_UN, "blt.un", 0x44) -OP(SWITCH, "switch", 0x45) -OP(LDIND_I1, "ldind.i1", 0x46) -OP(LDIND_U1, "ldind.u1", 0x47) -OP(LDIND_I2, "ldind.i2", 0x48) -OP(LDIND_U2, "ldind.u2", 0x49) -OP(LDIND_I4, "ldind.i4", 0x4a) -OP(LDIND_U4, "ldind.u4", 0x4b) -OP(LDIND_I8, "ldind.i8", 0x4c) -OP(LDIND_I, "ldind.i", 0x4d) -OP(LDIND_R4, "ldind.r4", 0x4e) -OP(LDIND_R8, "ldind.r8", 0x4f) -OP(LDIND_REF, "ldind.ref", 0x50) -OP(STIND_REF, "stind.ref", 0x51) -OP(STIND_I1, "stind.i1", 0x52) -OP(STIND_I2, "stind.i2", 0x53) -OP(STIND_I4, "stind.i4", 0x54) -OP(STIND_I8, "stind.i8", 0x55) -OP(STIND_R4, "stind.r4", 0x56) -OP(STIND_R8, "stind.r8", 0x57) -OP(ADD, "add", 0x58) -OP(SUB, "sub", 0x59) -OP(MUL, "mul", 0x5a) -OP(DIV, "div", 0x5b) -OP(DIV_UN, "div.un", 0x5c) -OP(REM, "rem", 0x5d) -OP(REM_UN, "rem.un", 0x5e) -OP(AND, "and", 0x5f) -OP(OR, "or", 0x60) -OP(XOR, "xor", 0x61) -OP(SHL, "shl", 0x62) -OP(SHR, "shr", 0x63) -OP(SHR_UN, "shr.un", 0x64) -OP(NEG, "neg", 0x65) -OP(NOT, "not", 0x66) -OP(CONV_I1, "conv.i1", 0x67) -OP(CONV_I2, "conv.i2", 0x68) -OP(CONV_I4, "conv.i4", 0x69) -OP(CONV_I8, "conv.i8", 0x6a) -OP(CONV_R4, "conv.r4", 0x6b) -OP(CONV_R8, "conv.r8", 0x6c) -OP(CONV_U4, "conv.u4", 0x6d) -OP(CONV_U8, "conv.u8", 0x6e) -OP(CALLVIRT, "callvirt", 0x6f) -OP(CPOBJ, "cpobj", 0x70) -OP(LDOBJ, "ldobj", 0x71) -OP(LDSTR, "ldstr", 0x72) -OP(NEWOBJ, "newobj", 0x73) -OP(CASTCLASS, "castclass", 0x74) -OP(ISINST, "isinst", 0x75) -OP(CONV_R_UN, "conv.r.un", 0x76) -OP(ANN_DATA_S, "ann.data.s", 0x77) -OP(UNBOX, "unbox", 0x79) -OP(THROW, "throw", 0x7a) -OP(LDFLD, "ldfld", 0x7b) -OP(LDFLDA, "ldflda", 0x7c) -OP(STFLD, "stfld", 0x7d) -OP(LDSFLD, "ldsfld", 0x7e) -OP(LDSFLDA, "ldsflda", 0x7f) -OP(STSFLD, "stsfld", 0x80) -OP(STOBJ, "stobj", 0x81) -OP(CONV_OVF_I1_UN, "conv.ovf.i1.un", 0x82) -OP(CONV_OVF_I2_UN, "conv.ovf.i2.un", 0x83) -OP(CONV_OVF_I4_UN, "conv.ovf.i4.un", 0x84) -OP(CONV_OVF_I8_UN, "conv.ovf.i8.un", 0x85) -OP(CONV_OVF_U1_UN, "conv.ovf.u1.un", 0x86) -OP(CONV_OVF_U2_UN, "conv.ovf.u2.un", 0x87) -OP(CONV_OVF_U4_UN, "conv.ovf.u4.un", 0x88) -OP(CONV_OVF_U8_UN, "conv.ovf.u8.un", 0x89) -OP(CONV_OVF_I_UN, "conv.ovf.i.un", 0x8a) -OP(CONV_OVF_U_UN, "conv.ovf.u.un", 0x8b) -OP(BOX, "box", 0x8c) -OP(NEWARR, "newarr", 0x8d) -OP(LDLEN, "ldlen", 0x8e) -OP(LDELEMA, "ldelema", 0x8f) -OP(LDELEM_I1, "ldelem.i1", 0x90) -OP(LDELEM_U1, "ldelem.u1", 0x91) -OP(LDELEM_I2, "ldelem.i2", 0x92) -OP(LDELEM_U2, "ldelem.u2", 0x93) -OP(LDELEM_I4, "ldelem.i4", 0x94) -OP(LDELEM_U4, "ldelem.u4", 0x95) -OP(LDELEM_I8, "ldelem.i8", 0x96) -OP(LDELEM_I, "ldelem.i", 0x97) -OP(LDELEM_R4, "ldelem.r4", 0x98) -OP(LDELEM_R8, "ldelem.r8", 0x99) -OP(LDELEM_REF, "ldelem.ref", 0x9a) -OP(STELEM_I, "stelem.i", 0x9b) -OP(STELEM_I1, "stelem.i1", 0x9c) -OP(STELEM_I2, "stelem.i2", 0x9d) -OP(STELEM_I4, "stelem.i4", 0x9e) -OP(STELEM_I8, "stelem.i8", 0x9f) -OP(STELEM_R4, "stelem.r4", 0xa0) -OP(STELEM_R8, "stelem.r8", 0xa1) -OP(STELEM_REF, "stelem.ref", 0xa2) -OP(CONV_OVF_I1, "conv.ovf.i1", 0xb3) -OP(CONV_OVF_U1, "conv.ovf.u1", 0xb4) -OP(CONV_OVF_I2, "conv.ovf.i2", 0xb5) -OP(CONV_OVF_U2, "conv.ovf.u2", 0xb6) -OP(CONV_OVF_I4, "conv.ovf.i4", 0xb7) -OP(CONV_OVF_U4, "conv.ovf.u4", 0xb8) -OP(CONV_OVF_I8, "conv.ovf.i8", 0xb9) -OP(CONV_OVF_U8, "conv.ovf.u8", 0xba) -OP(REFANYVAL, "refanyval", 0xc2) -OP(CKFINITE, "ckfinite", 0xc3) -OP(MKREFANY, "mkrefany", 0xc6) -OP(ANN_CALL, "ann.call", 0xc7) -OP(ANN_CATCH, "ann.catch", 0xc8) -OP(ANN_DEAD, "ann.dead", 0xc9) -OP(ANN_HOISTED, "ann.hoisted", 0xca) -OP(ANN_HOISTED_CALL, "ann.hoisted.call", 0xcb) -OP(ANN_LAB, "ann.lab", 0xcc) -OP(ANN_DEF, "ann.def", 0xcd) -OP(ANN_REF_S, "ann.ref.s", 0xce) -OP(ANN_PHI, "ann.phi", 0xcf) -OP(LDTOKEN, "ldtoken", 0xd0) -OP(CONV_U2, "conv.u2", 0xd1) -OP(CONV_U1, "conv.u1", 0xd2) -OP(CONV_I, "conv.i", 0xd3) -OP(CONV_OVF_I, "conv.ovf.i", 0xd4) -OP(CONV_OVF_U, "conv.ovf.u", 0xd5) -OP(ADD_OVF, "add.ovf", 0xd6) -OP(ADD_OVF_UN, "add.ovf.un", 0xd7) -OP(MUL_OVF, "mul.ovf", 0xd8) -OP(MUL_OVF_UN, "mul.ovf.un", 0xd9) -OP(SUB_OVF, "sub.ovf", 0xda) -OP(SUB_OVF_UN, "sub.ovf.un", 0xdb) -OP(ENDFINALLY, "endfinally", 0xdc) -OP(LEAVE, "leave", 0xdd) -OP(LEAVE_S, "leave.s", 0xde) -OP(STIND_I, "stind.i", 0xdf) -OP(CONV_U, "conv.u", 0xe0) - -/* prefix instructions. we use an opcode >= 256 to ease coding */ - -OP(ARGLIST, "arglist", 0x100) -OP(CEQ, "ceq", 0x101) -OP(CGT, "cgt", 0x102) -OP(CGT_UN, "cgt.un", 0x103) -OP(CLT, "clt", 0x104) -OP(CLT_UN, "clt.un", 0x105) -OP(LDFTN, "ldftn", 0x106) -OP(LDVIRTFTN, "ldvirtftn", 0x107) -OP(JMPI, "jmpi", 0x108) -OP(LDARG, "ldarg", 0x109) -OP(LDARGA, "ldarga", 0x10a) -OP(STARG, "starg", 0x10b) -OP(LDLOC, "ldloc", 0x10c) -OP(LDLOCA, "ldloca", 0x10d) -OP(STLOC, "stloc", 0x10e) -OP(LOCALLOC, "localloc", 0x10f) -OP(ENDFILTER, "endfilter", 0x111) -OP(UNALIGNED, "unaligned", 0x112) -OP(VOLATILE, "volatile", 0x113) -OP(TAIL, "tail", 0x114) -OP(INITOBJ, "initobj", 0x115) -OP(ANN_LIVE, "ann.live", 0x116) -OP(CPBLK, "cpblk", 0x117) -OP(INITBLK, "initblk", 0x118) -OP(ANN_REF, "ann.ref", 0x119) -OP(RETHROW, "rethrow", 0x11a) -OP(SIZEOF, "sizeof", 0x11c) -OP(REFANYTYPE, "refanytype", 0x11d) -OP(ANN_DATA, "ann.data", 0x122) -OP(ANN_ARG, "ann.arg", 0x123) diff --git a/src/coff.h b/src/coff.h deleted file mode 100644 index 63edfe2..0000000 --- a/src/coff.h +++ /dev/null @@ -1,446 +0,0 @@ -/**************************************************************************/ -/* COFF.H */ -/* COFF data structures and related definitions used by the linker */ -/**************************************************************************/ - -/*------------------------------------------------------------------------*/ -/* COFF FILE HEADER */ -/*------------------------------------------------------------------------*/ -struct filehdr { - unsigned short f_magic; /* magic number */ - unsigned short f_nscns; /* number of sections */ - long f_timdat; /* time & date stamp */ - long f_symptr; /* file pointer to symtab */ - long f_nsyms; /* number of symtab entries */ - unsigned short f_opthdr; /* sizeof(optional hdr) */ - unsigned short f_flags; /* flags */ - unsigned short f_TargetID; /* for C6x = 0x0099 */ - }; - -/*------------------------------------------------------------------------*/ -/* File header flags */ -/*------------------------------------------------------------------------*/ -#define F_RELFLG 0x01 /* relocation info stripped from file */ -#define F_EXEC 0x02 /* file is executable (no unresolved refs) */ -#define F_LNNO 0x04 /* line nunbers stripped from file */ -#define F_LSYMS 0x08 /* local symbols stripped from file */ -#define F_GSP10 0x10 /* 34010 version */ -#define F_GSP20 0x20 /* 34020 version */ -#define F_SWABD 0x40 /* bytes swabbed (in names) */ -#define F_AR16WR 0x80 /* byte ordering of an AR16WR (PDP-11) */ -#define F_LITTLE 0x100 /* byte ordering of an AR32WR (vax) */ -#define F_BIG 0x200 /* byte ordering of an AR32W (3B, maxi) */ -#define F_PATCH 0x400 /* contains "patch" list in optional header */ -#define F_NODF 0x400 - -#define F_VERSION (F_GSP10 | F_GSP20) -#define F_BYTE_ORDER (F_LITTLE | F_BIG) -#define FILHDR struct filehdr - -/* #define FILHSZ sizeof(FILHDR) */ -#define FILHSZ 22 /* above rounds to align on 4 bytes which causes problems */ - -#define COFF_C67_MAGIC 0x00c2 - -/*------------------------------------------------------------------------*/ -/* Macros to recognize magic numbers */ -/*------------------------------------------------------------------------*/ -#define ISMAGIC(x) (((unsigned short)(x))==(unsigned short)magic) -#define ISARCHIVE(x) ((((unsigned short)(x))==(unsigned short)ARTYPE)) -#define BADMAGIC(x) (((unsigned short)(x) & 0x8080) && !ISMAGIC(x)) - - -/*------------------------------------------------------------------------*/ -/* OPTIONAL FILE HEADER */ -/*------------------------------------------------------------------------*/ -typedef struct aouthdr { - short magic; /* see magic.h */ - short vstamp; /* version stamp */ - long tsize; /* text size in bytes, padded to FW bdry*/ - long dsize; /* initialized data " " */ - long bsize; /* uninitialized data " " */ - long entrypt; /* entry pt. */ - long text_start; /* base of text used for this file */ - long data_start; /* base of data used for this file */ -} AOUTHDR; - -#define AOUTSZ sizeof(AOUTHDR) - -/*----------------------------------------------------------------------*/ -/* When a UNIX aout header is to be built in the optional header, */ -/* the following magic numbers can appear in that header: */ -/* */ -/* AOUT1MAGIC : default : readonly sharable text segment */ -/* AOUT2MAGIC: : writable text segment */ -/* PAGEMAGIC : : configured for paging */ -/*----------------------------------------------------------------------*/ -#define AOUT1MAGIC 0410 -#define AOUT2MAGIC 0407 -#define PAGEMAGIC 0413 - - -/*------------------------------------------------------------------------*/ -/* COMMON ARCHIVE FILE STRUCTURES */ -/* */ -/* ARCHIVE File Organization: */ -/* _______________________________________________ */ -/* |__________ARCHIVE_MAGIC_STRING_______________| */ -/* |__________ARCHIVE_FILE_MEMBER_1______________| */ -/* | | */ -/* | Archive File Header "ar_hdr" | */ -/* |.............................................| */ -/* | Member Contents | */ -/* | 1. External symbol directory | */ -/* | 2. Text file | */ -/* |_____________________________________________| */ -/* |________ARCHIVE_FILE_MEMBER_2________________| */ -/* | "ar_hdr" | */ -/* |.............................................| */ -/* | Member Contents (.o or text file) | */ -/* |_____________________________________________| */ -/* | . . . | */ -/* | . . . | */ -/* | . . . | */ -/* |_____________________________________________| */ -/* |________ARCHIVE_FILE_MEMBER_n________________| */ -/* | "ar_hdr" | */ -/* |.............................................| */ -/* | Member Contents | */ -/* |_____________________________________________| */ -/* */ -/*------------------------------------------------------------------------*/ - -#define COFF_ARMAG "!\n" -#define SARMAG 8 -#define ARFMAG "`\n" - -struct ar_hdr /* archive file member header - printable ascii */ -{ - char ar_name[16]; /* file member name - `/' terminated */ - char ar_date[12]; /* file member date - decimal */ - char ar_uid[6]; /* file member user id - decimal */ - char ar_gid[6]; /* file member group id - decimal */ - char ar_mode[8]; /* file member mode - octal */ - char ar_size[10]; /* file member size - decimal */ - char ar_fmag[2]; /* ARFMAG - string to end header */ -}; - - -/*------------------------------------------------------------------------*/ -/* SECTION HEADER */ -/*------------------------------------------------------------------------*/ -struct scnhdr { - char s_name[8]; /* section name */ - long s_paddr; /* physical address */ - long s_vaddr; /* virtual address */ - long s_size; /* section size */ - long s_scnptr; /* file ptr to raw data for section */ - long s_relptr; /* file ptr to relocation */ - long s_lnnoptr; /* file ptr to line numbers */ - unsigned int s_nreloc; /* number of relocation entries */ - unsigned int s_nlnno; /* number of line number entries */ - unsigned int s_flags; /* flags */ - unsigned short s_reserved; /* reserved byte */ - unsigned short s_page; /* memory page id */ - }; - -#define SCNHDR struct scnhdr -#define SCNHSZ sizeof(SCNHDR) - -/*------------------------------------------------------------------------*/ -/* Define constants for names of "special" sections */ -/*------------------------------------------------------------------------*/ -/* #define _TEXT ".text" */ -#define _DATA ".data" -#define _BSS ".bss" -#define _CINIT ".cinit" -#define _TV ".tv" - -/*------------------------------------------------------------------------*/ -/* The low 4 bits of s_flags is used as a section "type" */ -/*------------------------------------------------------------------------*/ -#define STYP_REG 0x00 /* "regular" : allocated, relocated, loaded */ -#define STYP_DSECT 0x01 /* "dummy" : not allocated, relocated, not loaded */ -#define STYP_NOLOAD 0x02 /* "noload" : allocated, relocated, not loaded */ -#define STYP_GROUP 0x04 /* "grouped" : formed of input sections */ -#define STYP_PAD 0x08 /* "padding" : not allocated, not relocated, loaded */ -#define STYP_COPY 0x10 /* "copy" : used for C init tables - - not allocated, relocated, - loaded; reloc & lineno - entries processed normally */ -#define STYP_TEXT 0x20 /* section contains text only */ -#define STYP_DATA 0x40 /* section contains data only */ -#define STYP_BSS 0x80 /* section contains bss only */ - -#define STYP_ALIGN 0x100 /* align flag passed by old version assemblers */ -#define ALIGN_MASK 0x0F00 /* part of s_flags that is used for align vals */ -#define ALIGNSIZE(x) (1 << ((x & ALIGN_MASK) >> 8)) - - -/*------------------------------------------------------------------------*/ -/* RELOCATION ENTRIES */ -/*------------------------------------------------------------------------*/ -struct reloc -{ - long r_vaddr; /* (virtual) address of reference */ - short r_symndx; /* index into symbol table */ - unsigned short r_disp; /* additional bits for address calculation */ - unsigned short r_type; /* relocation type */ -}; - -#define RELOC struct reloc -#define RELSZ 10 /* sizeof(RELOC) */ - -/*--------------------------------------------------------------------------*/ -/* define all relocation types */ -/*--------------------------------------------------------------------------*/ - -#define R_ABS 0 /* absolute address - no relocation */ -#define R_DIR16 01 /* UNUSED */ -#define R_REL16 02 /* UNUSED */ -#define R_DIR24 04 /* UNUSED */ -#define R_REL24 05 /* 24 bits, direct */ -#define R_DIR32 06 /* UNUSED */ -#define R_RELBYTE 017 /* 8 bits, direct */ -#define R_RELWORD 020 /* 16 bits, direct */ -#define R_RELLONG 021 /* 32 bits, direct */ -#define R_PCRBYTE 022 /* 8 bits, PC-relative */ -#define R_PCRWORD 023 /* 16 bits, PC-relative */ -#define R_PCRLONG 024 /* 32 bits, PC-relative */ -#define R_OCRLONG 030 /* GSP: 32 bits, one's complement direct */ -#define R_GSPPCR16 031 /* GSP: 16 bits, PC relative (in words) */ -#define R_GSPOPR32 032 /* GSP: 32 bits, direct big-endian */ -#define R_PARTLS16 040 /* Brahma: 16 bit offset of 24 bit address*/ -#define R_PARTMS8 041 /* Brahma: 8 bit page of 24 bit address */ -#define R_PARTLS7 050 /* DSP: 7 bit offset of 16 bit address */ -#define R_PARTMS9 051 /* DSP: 9 bit page of 16 bit address */ -#define R_REL13 052 /* DSP: 13 bits, direct */ - - -/*------------------------------------------------------------------------*/ -/* LINE NUMBER ENTRIES */ -/*------------------------------------------------------------------------*/ -struct lineno -{ - union - { - long l_symndx ; /* sym. table index of function name - iff l_lnno == 0 */ - long l_paddr ; /* (physical) address of line number */ - } l_addr ; - unsigned short l_lnno ; /* line number */ -}; - -#define LINENO struct lineno -#define LINESZ 6 /* sizeof(LINENO) */ - - -/*------------------------------------------------------------------------*/ -/* STORAGE CLASSES */ -/*------------------------------------------------------------------------*/ -#define C_EFCN -1 /* physical end of function */ -#define C_NULL 0 -#define C_AUTO 1 /* automatic variable */ -#define C_EXT 2 /* external symbol */ -#define C_STAT 3 /* static */ -#define C_REG 4 /* register variable */ -#define C_EXTDEF 5 /* external definition */ -#define C_LABEL 6 /* label */ -#define C_ULABEL 7 /* undefined label */ -#define C_MOS 8 /* member of structure */ -#define C_ARG 9 /* function argument */ -#define C_STRTAG 10 /* structure tag */ -#define C_MOU 11 /* member of union */ -#define C_UNTAG 12 /* union tag */ -#define C_TPDEF 13 /* type definition */ -#define C_USTATIC 14 /* undefined static */ -#define C_ENTAG 15 /* enumeration tag */ -#define C_MOE 16 /* member of enumeration */ -#define C_REGPARM 17 /* register parameter */ -#define C_FIELD 18 /* bit field */ - -#define C_BLOCK 100 /* ".bb" or ".eb" */ -#define C_FCN 101 /* ".bf" or ".ef" */ -#define C_EOS 102 /* end of structure */ -#define C_FILE 103 /* file name */ -#define C_LINE 104 /* dummy sclass for line number entry */ -#define C_ALIAS 105 /* duplicate tag */ -#define C_HIDDEN 106 /* special storage class for external */ - /* symbols in dmert public libraries */ - -/*------------------------------------------------------------------------*/ -/* SYMBOL TABLE ENTRIES */ -/*------------------------------------------------------------------------*/ - -#define SYMNMLEN 8 /* Number of characters in a symbol name */ -#define FILNMLEN 14 /* Number of characters in a file name */ -#define DIMNUM 4 /* Number of array dimensions in auxiliary entry */ - - -struct syment -{ - union - { - char _n_name[SYMNMLEN]; /* old COFF version */ - struct - { - long _n_zeroes; /* new == 0 */ - long _n_offset; /* offset into string table */ - } _n_n; - char *_n_nptr[2]; /* allows for overlaying */ - } _n; - long n_value; /* value of symbol */ - short n_scnum; /* section number */ - unsigned short n_type; /* type and derived type */ - char n_sclass; /* storage class */ - char n_numaux; /* number of aux. entries */ -}; - -#define n_name _n._n_name -#define n_nptr _n._n_nptr[1] -#define n_zeroes _n._n_n._n_zeroes -#define n_offset _n._n_n._n_offset - -/*------------------------------------------------------------------------*/ -/* Relocatable symbols have a section number of the */ -/* section in which they are defined. Otherwise, section */ -/* numbers have the following meanings: */ -/*------------------------------------------------------------------------*/ -#define N_UNDEF 0 /* undefined symbol */ -#define N_ABS -1 /* value of symbol is absolute */ -#define N_DEBUG -2 /* special debugging symbol */ -#define N_TV (unsigned short)-3 /* needs transfer vector (preload) */ -#define P_TV (unsigned short)-4 /* needs transfer vector (postload) */ - - -/*------------------------------------------------------------------------*/ -/* The fundamental type of a symbol packed into the low */ -/* 4 bits of the word. */ -/*------------------------------------------------------------------------*/ -#define _EF ".ef" - -#define T_NULL 0 /* no type info */ -#define T_ARG 1 /* function argument (only used by compiler) */ -#define T_CHAR 2 /* character */ -#define T_SHORT 3 /* short integer */ -#define T_INT 4 /* integer */ -#define T_LONG 5 /* long integer */ -#define T_FLOAT 6 /* floating point */ -#define T_DOUBLE 7 /* double word */ -#define T_STRUCT 8 /* structure */ -#define T_UNION 9 /* union */ -#define T_ENUM 10 /* enumeration */ -#define T_MOE 11 /* member of enumeration */ -#define T_UCHAR 12 /* unsigned character */ -#define T_USHORT 13 /* unsigned short */ -#define T_UINT 14 /* unsigned integer */ -#define T_ULONG 15 /* unsigned long */ - -/*------------------------------------------------------------------------*/ -/* derived types are: */ -/*------------------------------------------------------------------------*/ -#define DT_NON 0 /* no derived type */ -#define DT_PTR 1 /* pointer */ -#define DT_FCN 2 /* function */ -#define DT_ARY 3 /* array */ - -#define MKTYPE(basic, d1,d2,d3,d4,d5,d6) \ - ((basic) | ((d1) << 4) | ((d2) << 6) | ((d3) << 8) |\ - ((d4) << 10) | ((d5) << 12) | ((d6) << 14)) - -/*------------------------------------------------------------------------*/ -/* type packing constants and macros */ -/*------------------------------------------------------------------------*/ -#define N_BTMASK_COFF 017 -#define N_TMASK_COFF 060 -#define N_TMASK1_COFF 0300 -#define N_TMASK2_COFF 0360 -#define N_BTSHFT_COFF 4 -#define N_TSHIFT_COFF 2 - -#define BTYPE_COFF(x) ((x) & N_BTMASK_COFF) -#define ISINT(x) (((x) >= T_CHAR && (x) <= T_LONG) || \ - ((x) >= T_UCHAR && (x) <= T_ULONG) || (x) == T_ENUM) -#define ISFLT_COFF(x) ((x) == T_DOUBLE || (x) == T_FLOAT) -#define ISPTR_COFF(x) (((x) & N_TMASK_COFF) == (DT_PTR << N_BTSHFT_COFF)) -#define ISFCN_COFF(x) (((x) & N_TMASK_COFF) == (DT_FCN << N_BTSHFT_COFF)) -#define ISARY_COFF(x) (((x) & N_TMASK_COFF) == (DT_ARY << N_BTSHFT_COFF)) -#define ISTAG_COFF(x) ((x)==C_STRTAG || (x)==C_UNTAG || (x)==C_ENTAG) - -#define INCREF_COFF(x) ((((x)&~N_BTMASK_COFF)<>N_TSHIFT_COFF)&~N_BTMASK_COFF)|((x)&N_BTMASK_COFF)) - - -/*------------------------------------------------------------------------*/ -/* AUXILIARY SYMBOL ENTRY */ -/*------------------------------------------------------------------------*/ -union auxent -{ - struct - { - long x_tagndx; /* str, un, or enum tag indx */ - union - { - struct - { - unsigned short x_lnno; /* declaration line number */ - unsigned short x_size; /* str, union, array size */ - } x_lnsz; - long x_fsize; /* size of function */ - } x_misc; - union - { - struct /* if ISFCN, tag, or .bb */ - { - long x_lnnoptr; /* ptr to fcn line # */ - long x_endndx; /* entry ndx past block end */ - } x_fcn; - struct /* if ISARY, up to 4 dimen. */ - { - unsigned short x_dimen[DIMNUM]; - } x_ary; - } x_fcnary; - unsigned short x_regcount; /* number of registers used by func */ - } x_sym; - struct - { - char x_fname[FILNMLEN]; - } x_file; - struct - { - long x_scnlen; /* section length */ - unsigned short x_nreloc; /* number of relocation entries */ - unsigned short x_nlinno; /* number of line numbers */ - } x_scn; -}; - -#define SYMENT struct syment -#define SYMESZ 18 /* sizeof(SYMENT) */ - -#define AUXENT union auxent -#define AUXESZ 18 /* sizeof(AUXENT) */ - -/*------------------------------------------------------------------------*/ -/* NAMES OF "SPECIAL" SYMBOLS */ -/*------------------------------------------------------------------------*/ -#define _STEXT ".text" -#define _ETEXT "etext" -#define _SDATA ".data" -#define _EDATA "edata" -#define _SBSS ".bss" -#define _END "end" -#define _CINITPTR "cinit" - -/*--------------------------------------------------------------------------*/ -/* ENTRY POINT SYMBOLS */ -/*--------------------------------------------------------------------------*/ -#define _START "_start" -#define _MAIN "_main" - /* _CSTART "_c_int00" (defined in params.h) */ - - -#define _TVORIG "_tvorig" -#define _TORIGIN "_torigin" -#define _DORIGIN "_dorigin" - -#define _SORIGIN "_sorigin" diff --git a/src/config.h.in b/src/config.h.in deleted file mode 100644 index c9e1a18..0000000 --- a/src/config.h.in +++ /dev/null @@ -1,7 +0,0 @@ -#define CONFIG_TCCDIR "${CONFIG_TCCDIR}" -#define TCC_VERSION "${TCC_VERSION}" - -#cmakedefine CONFIG_WIN32 -#cmakedefine CONFIG_WIN64 -#cmakedefine CONFIG_TCC_BCHECK -#cmakedefine CONFIG_TCC_ASSERT diff --git a/src/conftest.c b/src/conftest.c deleted file mode 100644 index fa07a1b..0000000 --- a/src/conftest.c +++ /dev/null @@ -1,77 +0,0 @@ -#include - -/* Define architecture */ -#if defined(__i386__) -# define TRIPLET_ARCH "i386" -#elif defined(__x86_64__) -# define TRIPLET_ARCH "x86_64" -#elif defined(__arm__) -# define TRIPLET_ARCH "arm" -#elif defined(__aarch64__) -# define TRIPLET_ARCH "aarch64" -#else -# define TRIPLET_ARCH "unknown" -#endif - -/* Define OS */ -#if defined (__linux__) -# define TRIPLET_OS "linux" -#elif defined (__FreeBSD__) || defined (__FreeBSD_kernel__) -# define TRIPLET_OS "kfreebsd" -#elif !defined (__GNU__) -# define TRIPLET_OS "unknown" -#endif - -/* Define calling convention and ABI */ -#if defined (__ARM_EABI__) -# if defined (__ARM_PCS_VFP) -# define TRIPLET_ABI "gnueabihf" -# else -# define TRIPLET_ABI "gnueabi" -# endif -#else -# define TRIPLET_ABI "gnu" -#endif - -#ifdef __GNU__ -# define TRIPLET TRIPLET_ARCH "-" TRIPLET_ABI -#else -# define TRIPLET TRIPLET_ARCH "-" TRIPLET_OS "-" TRIPLET_ABI -#endif - -#if defined(_WIN32) -int _CRT_glob = 0; -#endif - -int main(int argc, char *argv[]) -{ - switch(argc == 2 ? argv[1][0] : 0) { - case 'b': - { - volatile unsigned foo = 0x01234567; - puts(*(unsigned char*)&foo == 0x67 ? "no" : "yes"); - break; - } -#ifdef __GNUC__ - case 'm': - printf("%d\n", __GNUC_MINOR__); - break; - case 'v': - printf("%d\n", __GNUC__); - break; -#else - case 'm': - case 'v': - puts("0"); - break; -#endif - case 't': - puts(TRIPLET); - break; - case -1: - /* to test -Wno-unused-result */ - fread(NULL, 1, 1, NULL); - break; - } - return 0; -} diff --git a/src/elf.h b/src/elf.h deleted file mode 100644 index a40c736..0000000 --- a/src/elf.h +++ /dev/null @@ -1,3228 +0,0 @@ -/* This file defines standard ELF types, structures, and macros. - Copyright (C) 1995-2012 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - . */ - -#ifndef _ELF_H -#define _ELF_H 1 - -#ifndef _WIN32 -#include -#else -#ifndef __int8_t_defined -#define __int8_t_defined -typedef signed char int8_t; -typedef short int int16_t; -typedef int int32_t; -typedef long long int int64_t; -#endif - -typedef unsigned char uint8_t; -typedef unsigned short int uint16_t; -typedef unsigned int uint32_t; -typedef unsigned long long int uint64_t; -#endif - -/* Standard ELF types. */ - -/* Type for a 16-bit quantity. */ -typedef uint16_t Elf32_Half; -typedef uint16_t Elf64_Half; - -/* Types for signed and unsigned 32-bit quantities. */ -typedef uint32_t Elf32_Word; -typedef int32_t Elf32_Sword; -typedef uint32_t Elf64_Word; -typedef int32_t Elf64_Sword; - -/* Types for signed and unsigned 64-bit quantities. */ -typedef uint64_t Elf32_Xword; -typedef int64_t Elf32_Sxword; -typedef uint64_t Elf64_Xword; -typedef int64_t Elf64_Sxword; - -/* Type of addresses. */ -typedef uint32_t Elf32_Addr; -typedef uint64_t Elf64_Addr; - -/* Type of file offsets. */ -typedef uint32_t Elf32_Off; -typedef uint64_t Elf64_Off; - -/* Type for section indices, which are 16-bit quantities. */ -typedef uint16_t Elf32_Section; -typedef uint16_t Elf64_Section; - -/* Type for version symbol information. */ -typedef Elf32_Half Elf32_Versym; -typedef Elf64_Half Elf64_Versym; - - -/* The ELF file header. This appears at the start of every ELF file. */ - -#define EI_NIDENT (16) - -typedef struct -{ - unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ - Elf32_Half e_type; /* Object file type */ - Elf32_Half e_machine; /* Architecture */ - Elf32_Word e_version; /* Object file version */ - Elf32_Addr e_entry; /* Entry point virtual address */ - Elf32_Off e_phoff; /* Program header table file offset */ - Elf32_Off e_shoff; /* Section header table file offset */ - Elf32_Word e_flags; /* Processor-specific flags */ - Elf32_Half e_ehsize; /* ELF header size in bytes */ - Elf32_Half e_phentsize; /* Program header table entry size */ - Elf32_Half e_phnum; /* Program header table entry count */ - Elf32_Half e_shentsize; /* Section header table entry size */ - Elf32_Half e_shnum; /* Section header table entry count */ - Elf32_Half e_shstrndx; /* Section header string table index */ -} Elf32_Ehdr; - -typedef struct -{ - unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ - Elf64_Half e_type; /* Object file type */ - Elf64_Half e_machine; /* Architecture */ - Elf64_Word e_version; /* Object file version */ - Elf64_Addr e_entry; /* Entry point virtual address */ - Elf64_Off e_phoff; /* Program header table file offset */ - Elf64_Off e_shoff; /* Section header table file offset */ - Elf64_Word e_flags; /* Processor-specific flags */ - Elf64_Half e_ehsize; /* ELF header size in bytes */ - Elf64_Half e_phentsize; /* Program header table entry size */ - Elf64_Half e_phnum; /* Program header table entry count */ - Elf64_Half e_shentsize; /* Section header table entry size */ - Elf64_Half e_shnum; /* Section header table entry count */ - Elf64_Half e_shstrndx; /* Section header string table index */ -} Elf64_Ehdr; - -/* Fields in the e_ident array. The EI_* macros are indices into the - array. The macros under each EI_* macro are the values the byte - may have. */ - -#define EI_MAG0 0 /* File identification byte 0 index */ -#define ELFMAG0 0x7f /* Magic number byte 0 */ - -#define EI_MAG1 1 /* File identification byte 1 index */ -#define ELFMAG1 'E' /* Magic number byte 1 */ - -#define EI_MAG2 2 /* File identification byte 2 index */ -#define ELFMAG2 'L' /* Magic number byte 2 */ - -#define EI_MAG3 3 /* File identification byte 3 index */ -#define ELFMAG3 'F' /* Magic number byte 3 */ - -/* Conglomeration of the identification bytes, for easy testing as a word. */ -#define ELFMAG "\177ELF" -#define SELFMAG 4 - -#define EI_CLASS 4 /* File class byte index */ -#define ELFCLASSNONE 0 /* Invalid class */ -#define ELFCLASS32 1 /* 32-bit objects */ -#define ELFCLASS64 2 /* 64-bit objects */ -#define ELFCLASSNUM 3 - -#define EI_DATA 5 /* Data encoding byte index */ -#define ELFDATANONE 0 /* Invalid data encoding */ -#define ELFDATA2LSB 1 /* 2's complement, little endian */ -#define ELFDATA2MSB 2 /* 2's complement, big endian */ -#define ELFDATANUM 3 - -#define EI_VERSION 6 /* File version byte index */ - /* Value must be EV_CURRENT */ - -#define EI_OSABI 7 /* OS ABI identification */ -#define ELFOSABI_NONE 0 /* UNIX System V ABI */ -#define ELFOSABI_SYSV 0 /* Alias. */ -#define ELFOSABI_HPUX 1 /* HP-UX */ -#define ELFOSABI_NETBSD 2 /* NetBSD. */ -#define ELFOSABI_GNU 3 /* Object uses GNU ELF extensions. */ -#define ELFOSABI_LINUX ELFOSABI_GNU /* Compatibility alias. */ -#define ELFOSABI_SOLARIS 6 /* Sun Solaris. */ -#define ELFOSABI_AIX 7 /* IBM AIX. */ -#define ELFOSABI_IRIX 8 /* SGI Irix. */ -#define ELFOSABI_FREEBSD 9 /* FreeBSD. */ -#define ELFOSABI_TRU64 10 /* Compaq TRU64 UNIX. */ -#define ELFOSABI_MODESTO 11 /* Novell Modesto. */ -#define ELFOSABI_OPENBSD 12 /* OpenBSD. */ -#define ELFOSABI_ARM_AEABI 64 /* ARM EABI */ -#define ELFOSABI_ARM 97 /* ARM */ -#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ - -#define EI_ABIVERSION 8 /* ABI version */ - -#define EI_PAD 9 /* Byte index of padding bytes */ - -/* Legal values for e_type (object file type). */ - -#define ET_NONE 0 /* No file type */ -#define ET_REL 1 /* Relocatable file */ -#define ET_EXEC 2 /* Executable file */ -#define ET_DYN 3 /* Shared object file */ -#define ET_CORE 4 /* Core file */ -#define ET_NUM 5 /* Number of defined types */ -#define ET_LOOS 0xfe00 /* OS-specific range start */ -#define ET_HIOS 0xfeff /* OS-specific range end */ -#define ET_LOPROC 0xff00 /* Processor-specific range start */ -#define ET_HIPROC 0xffff /* Processor-specific range end */ - -/* Legal values for e_machine (architecture). */ - -#define EM_NONE 0 /* No machine */ -#define EM_M32 1 /* AT&T WE 32100 */ -#define EM_SPARC 2 /* SUN SPARC */ -#define EM_386 3 /* Intel 80386 */ -#define EM_68K 4 /* Motorola m68k family */ -#define EM_88K 5 /* Motorola m88k family */ -#define EM_860 7 /* Intel 80860 */ -#define EM_MIPS 8 /* MIPS R3000 big-endian */ -#define EM_S370 9 /* IBM System/370 */ -#define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian */ - -#define EM_PARISC 15 /* HPPA */ -#define EM_VPP500 17 /* Fujitsu VPP500 */ -#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ -#define EM_960 19 /* Intel 80960 */ -#define EM_PPC 20 /* PowerPC */ -#define EM_PPC64 21 /* PowerPC 64-bit */ -#define EM_S390 22 /* IBM S390 */ - -#define EM_V800 36 /* NEC V800 series */ -#define EM_FR20 37 /* Fujitsu FR20 */ -#define EM_RH32 38 /* TRW RH-32 */ -#define EM_RCE 39 /* Motorola RCE */ -#define EM_ARM 40 /* ARM */ -#define EM_FAKE_ALPHA 41 /* Digital Alpha */ -#define EM_SH 42 /* Hitachi SH */ -#define EM_SPARCV9 43 /* SPARC v9 64-bit */ -#define EM_TRICORE 44 /* Siemens Tricore */ -#define EM_ARC 45 /* Argonaut RISC Core */ -#define EM_H8_300 46 /* Hitachi H8/300 */ -#define EM_H8_300H 47 /* Hitachi H8/300H */ -#define EM_H8S 48 /* Hitachi H8S */ -#define EM_H8_500 49 /* Hitachi H8/500 */ -#define EM_IA_64 50 /* Intel Merced */ -#define EM_MIPS_X 51 /* Stanford MIPS-X */ -#define EM_COLDFIRE 52 /* Motorola Coldfire */ -#define EM_68HC12 53 /* Motorola M68HC12 */ -#define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator*/ -#define EM_PCP 55 /* Siemens PCP */ -#define EM_NCPU 56 /* Sony nCPU embeeded RISC */ -#define EM_NDR1 57 /* Denso NDR1 microprocessor */ -#define EM_STARCORE 58 /* Motorola Start*Core processor */ -#define EM_ME16 59 /* Toyota ME16 processor */ -#define EM_ST100 60 /* STMicroelectronic ST100 processor */ -#define EM_TINYJ 61 /* Advanced Logic Corp. Tinyj emb.fam*/ -#define EM_X86_64 62 /* AMD x86-64 architecture */ -#define EM_PDSP 63 /* Sony DSP Processor */ - -#define EM_FX66 66 /* Siemens FX66 microcontroller */ -#define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 mc */ -#define EM_ST7 68 /* STmicroelectronics ST7 8 bit mc */ -#define EM_68HC16 69 /* Motorola MC68HC16 microcontroller */ -#define EM_68HC11 70 /* Motorola MC68HC11 microcontroller */ -#define EM_68HC08 71 /* Motorola MC68HC08 microcontroller */ -#define EM_68HC05 72 /* Motorola MC68HC05 microcontroller */ -#define EM_SVX 73 /* Silicon Graphics SVx */ -#define EM_ST19 74 /* STMicroelectronics ST19 8 bit mc */ -#define EM_VAX 75 /* Digital VAX */ -#define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */ -#define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded processor */ -#define EM_FIREPATH 78 /* Element 14 64-bit DSP Processor */ -#define EM_ZSP 79 /* LSI Logic 16-bit DSP Processor */ -#define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */ -#define EM_HUANY 81 /* Harvard University machine-independent object files */ -#define EM_PRISM 82 /* SiTera Prism */ -#define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */ -#define EM_FR30 84 /* Fujitsu FR30 */ -#define EM_D10V 85 /* Mitsubishi D10V */ -#define EM_D30V 86 /* Mitsubishi D30V */ -#define EM_V850 87 /* NEC v850 */ -#define EM_M32R 88 /* Mitsubishi M32R */ -#define EM_MN10300 89 /* Matsushita MN10300 */ -#define EM_MN10200 90 /* Matsushita MN10200 */ -#define EM_PJ 91 /* picoJava */ -#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ -#define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */ -#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ -#define EM_AARCH64 183 /* ARM AARCH64 */ -#define EM_TILEPRO 188 /* Tilera TILEPro */ -#define EM_TILEGX 191 /* Tilera TILE-Gx */ -#define EM_NUM 192 - -/* If it is necessary to assign new unofficial EM_* values, please - pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the - chances of collision with official or non-GNU unofficial values. */ - -#define EM_ALPHA 0x9026 -#define EM_C60 0x9c60 - -/* Legal values for e_version (version). */ - -#define EV_NONE 0 /* Invalid ELF version */ -#define EV_CURRENT 1 /* Current version */ -#define EV_NUM 2 - -/* Section header. */ - -typedef struct -{ - Elf32_Word sh_name; /* Section name (string tbl index) */ - Elf32_Word sh_type; /* Section type */ - Elf32_Word sh_flags; /* Section flags */ - Elf32_Addr sh_addr; /* Section virtual addr at execution */ - Elf32_Off sh_offset; /* Section file offset */ - Elf32_Word sh_size; /* Section size in bytes */ - Elf32_Word sh_link; /* Link to another section */ - Elf32_Word sh_info; /* Additional section information */ - Elf32_Word sh_addralign; /* Section alignment */ - Elf32_Word sh_entsize; /* Entry size if section holds table */ -} Elf32_Shdr; - -typedef struct -{ - Elf64_Word sh_name; /* Section name (string tbl index) */ - Elf64_Word sh_type; /* Section type */ - Elf64_Xword sh_flags; /* Section flags */ - Elf64_Addr sh_addr; /* Section virtual addr at execution */ - Elf64_Off sh_offset; /* Section file offset */ - Elf64_Xword sh_size; /* Section size in bytes */ - Elf64_Word sh_link; /* Link to another section */ - Elf64_Word sh_info; /* Additional section information */ - Elf64_Xword sh_addralign; /* Section alignment */ - Elf64_Xword sh_entsize; /* Entry size if section holds table */ -} Elf64_Shdr; - -/* Special section indices. */ - -#define SHN_UNDEF 0 /* Undefined section */ -#define SHN_LORESERVE 0xff00 /* Start of reserved indices */ -#define SHN_LOPROC 0xff00 /* Start of processor-specific */ -#define SHN_BEFORE 0xff00 /* Order section before all others - (Solaris). */ -#define SHN_AFTER 0xff01 /* Order section after all others - (Solaris). */ -#define SHN_HIPROC 0xff1f /* End of processor-specific */ -#define SHN_LOOS 0xff20 /* Start of OS-specific */ -#define SHN_HIOS 0xff3f /* End of OS-specific */ -#define SHN_ABS 0xfff1 /* Associated symbol is absolute */ -#define SHN_COMMON 0xfff2 /* Associated symbol is common */ -#define SHN_XINDEX 0xffff /* Index is in extra table. */ -#define SHN_HIRESERVE 0xffff /* End of reserved indices */ - -/* Legal values for sh_type (section type). */ - -#define SHT_NULL 0 /* Section header table entry unused */ -#define SHT_PROGBITS 1 /* Program data */ -#define SHT_SYMTAB 2 /* Symbol table */ -#define SHT_STRTAB 3 /* String table */ -#define SHT_RELA 4 /* Relocation entries with addends */ -#define SHT_HASH 5 /* Symbol hash table */ -#define SHT_DYNAMIC 6 /* Dynamic linking information */ -#define SHT_NOTE 7 /* Notes */ -#define SHT_NOBITS 8 /* Program space with no data (bss) */ -#define SHT_REL 9 /* Relocation entries, no addends */ -#define SHT_SHLIB 10 /* Reserved */ -#define SHT_DYNSYM 11 /* Dynamic linker symbol table */ -#define SHT_INIT_ARRAY 14 /* Array of constructors */ -#define SHT_FINI_ARRAY 15 /* Array of destructors */ -#define SHT_PREINIT_ARRAY 16 /* Array of pre-constructors */ -#define SHT_GROUP 17 /* Section group */ -#define SHT_SYMTAB_SHNDX 18 /* Extended section indeces */ -#define SHT_NUM 19 /* Number of defined types. */ -#define SHT_LOOS 0x60000000 /* Start OS-specific. */ -#define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes. */ -#define SHT_GNU_HASH 0x6ffffff6 /* GNU-style hash table. */ -#define SHT_GNU_LIBLIST 0x6ffffff7 /* Prelink library list */ -#define SHT_CHECKSUM 0x6ffffff8 /* Checksum for DSO content. */ -#define SHT_LOSUNW 0x6ffffffa /* Sun-specific low bound. */ -#define SHT_SUNW_move 0x6ffffffa -#define SHT_SUNW_COMDAT 0x6ffffffb -#define SHT_SUNW_syminfo 0x6ffffffc -#define SHT_GNU_verdef 0x6ffffffd /* Version definition section. */ -#define SHT_GNU_verneed 0x6ffffffe /* Version needs section. */ -#define SHT_GNU_versym 0x6fffffff /* Version symbol table. */ -#define SHT_HISUNW 0x6fffffff /* Sun-specific high bound. */ -#define SHT_HIOS 0x6fffffff /* End OS-specific type */ -#define SHT_LOPROC 0x70000000 /* Start of processor-specific */ -#define SHT_HIPROC 0x7fffffff /* End of processor-specific */ -#define SHT_LOUSER 0x80000000 /* Start of application-specific */ -#define SHT_HIUSER 0x8fffffff /* End of application-specific */ - -/* Legal values for sh_flags (section flags). */ - -#define SHF_WRITE (1 << 0) /* Writable */ -#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */ -#define SHF_EXECINSTR (1 << 2) /* Executable */ -#define SHF_MERGE (1 << 4) /* Might be merged */ -#define SHF_STRINGS (1 << 5) /* Contains nul-terminated strings */ -#define SHF_INFO_LINK (1 << 6) /* `sh_info' contains SHT index */ -#define SHF_LINK_ORDER (1 << 7) /* Preserve order after combining */ -#define SHF_OS_NONCONFORMING (1 << 8) /* Non-standard OS specific handling - required */ -#define SHF_GROUP (1 << 9) /* Section is member of a group. */ -#define SHF_TLS (1 << 10) /* Section hold thread-local data. */ -#define SHF_MASKOS 0x0ff00000 /* OS-specific. */ -#define SHF_MASKPROC 0xf0000000 /* Processor-specific */ -#define SHF_ORDERED (1 << 30) /* Special ordering requirement - (Solaris). */ -#define SHF_EXCLUDE (1 << 31) /* Section is excluded unless - referenced or allocated (Solaris).*/ - -/* Section group handling. */ -#define GRP_COMDAT 0x1 /* Mark group as COMDAT. */ - -/* Symbol table entry. */ - -typedef struct -{ - Elf32_Word st_name; /* Symbol name (string tbl index) */ - Elf32_Addr st_value; /* Symbol value */ - Elf32_Word st_size; /* Symbol size */ - unsigned char st_info; /* Symbol type and binding */ - unsigned char st_other; /* Symbol visibility */ - Elf32_Section st_shndx; /* Section index */ -} Elf32_Sym; - -typedef struct -{ - Elf64_Word st_name; /* Symbol name (string tbl index) */ - unsigned char st_info; /* Symbol type and binding */ - unsigned char st_other; /* Symbol visibility */ - Elf64_Section st_shndx; /* Section index */ - Elf64_Addr st_value; /* Symbol value */ - Elf64_Xword st_size; /* Symbol size */ -} Elf64_Sym; - -/* The syminfo section if available contains additional information about - every dynamic symbol. */ - -typedef struct -{ - Elf32_Half si_boundto; /* Direct bindings, symbol bound to */ - Elf32_Half si_flags; /* Per symbol flags */ -} Elf32_Syminfo; - -typedef struct -{ - Elf64_Half si_boundto; /* Direct bindings, symbol bound to */ - Elf64_Half si_flags; /* Per symbol flags */ -} Elf64_Syminfo; - -/* Possible values for si_boundto. */ -#define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */ -#define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */ -#define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */ - -/* Possible bitmasks for si_flags. */ -#define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */ -#define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */ -#define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */ -#define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy - loaded */ -/* Syminfo version values. */ -#define SYMINFO_NONE 0 -#define SYMINFO_CURRENT 1 -#define SYMINFO_NUM 2 - - -/* How to extract and insert information held in the st_info field. */ - -#define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4) -#define ELF32_ST_TYPE(val) ((val) & 0xf) -#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) - -/* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field. */ -#define ELF64_ST_BIND(val) ELF32_ST_BIND (val) -#define ELF64_ST_TYPE(val) ELF32_ST_TYPE (val) -#define ELF64_ST_INFO(bind, type) ELF32_ST_INFO ((bind), (type)) - -/* Legal values for ST_BIND subfield of st_info (symbol binding). */ - -#define STB_LOCAL 0 /* Local symbol */ -#define STB_GLOBAL 1 /* Global symbol */ -#define STB_WEAK 2 /* Weak symbol */ -#define STB_NUM 3 /* Number of defined types. */ -#define STB_LOOS 10 /* Start of OS-specific */ -#define STB_GNU_UNIQUE 10 /* Unique symbol. */ -#define STB_HIOS 12 /* End of OS-specific */ -#define STB_LOPROC 13 /* Start of processor-specific */ -#define STB_HIPROC 15 /* End of processor-specific */ - -/* Legal values for ST_TYPE subfield of st_info (symbol type). */ - -#define STT_NOTYPE 0 /* Symbol type is unspecified */ -#define STT_OBJECT 1 /* Symbol is a data object */ -#define STT_FUNC 2 /* Symbol is a code object */ -#define STT_SECTION 3 /* Symbol associated with a section */ -#define STT_FILE 4 /* Symbol's name is file name */ -#define STT_COMMON 5 /* Symbol is a common data object */ -#define STT_TLS 6 /* Symbol is thread-local data object*/ -#define STT_NUM 7 /* Number of defined types. */ -#define STT_LOOS 10 /* Start of OS-specific */ -#define STT_GNU_IFUNC 10 /* Symbol is indirect code object */ -#define STT_HIOS 12 /* End of OS-specific */ -#define STT_LOPROC 13 /* Start of processor-specific */ -#define STT_HIPROC 15 /* End of processor-specific */ - - -/* Symbol table indices are found in the hash buckets and chain table - of a symbol hash table section. This special index value indicates - the end of a chain, meaning no further symbols are found in that bucket. */ - -#define STN_UNDEF 0 /* End of a chain. */ - - -/* How to extract and insert information held in the st_other field. */ - -#define ELF32_ST_VISIBILITY(o) ((o) & 0x03) - -/* For ELF64 the definitions are the same. */ -#define ELF64_ST_VISIBILITY(o) ELF32_ST_VISIBILITY (o) - -/* Symbol visibility specification encoded in the st_other field. */ -#define STV_DEFAULT 0 /* Default symbol visibility rules */ -#define STV_INTERNAL 1 /* Processor specific hidden class */ -#define STV_HIDDEN 2 /* Sym unavailable in other modules */ -#define STV_PROTECTED 3 /* Not preemptible, not exported */ - - -/* Relocation table entry without addend (in section of type SHT_REL). */ - -typedef struct -{ - Elf32_Addr r_offset; /* Address */ - Elf32_Word r_info; /* Relocation type and symbol index */ -} Elf32_Rel; - -/* I have seen two different definitions of the Elf64_Rel and - Elf64_Rela structures, so we'll leave them out until Novell (or - whoever) gets their act together. */ -/* The following, at least, is used on Sparc v9, MIPS, and Alpha. */ - -typedef struct -{ - Elf64_Addr r_offset; /* Address */ - Elf64_Xword r_info; /* Relocation type and symbol index */ -} Elf64_Rel; - -/* Relocation table entry with addend (in section of type SHT_RELA). */ - -typedef struct -{ - Elf32_Addr r_offset; /* Address */ - Elf32_Word r_info; /* Relocation type and symbol index */ - Elf32_Sword r_addend; /* Addend */ -} Elf32_Rela; - -typedef struct -{ - Elf64_Addr r_offset; /* Address */ - Elf64_Xword r_info; /* Relocation type and symbol index */ - Elf64_Sxword r_addend; /* Addend */ -} Elf64_Rela; - -/* How to extract and insert information held in the r_info field. */ - -#define ELF32_R_SYM(val) ((val) >> 8) -#define ELF32_R_TYPE(val) ((val) & 0xff) -#define ELF32_R_INFO(sym, type) (((sym) << 8) + ((type) & 0xff)) - -#define ELF64_R_SYM(i) ((i) >> 32) -#define ELF64_R_TYPE(i) ((i) & 0xffffffff) -#define ELF64_R_INFO(sym,type) ((((Elf64_Xword) (sym)) << 32) + (type)) - -/* Program segment header. */ - -typedef struct -{ - Elf32_Word p_type; /* Segment type */ - Elf32_Off p_offset; /* Segment file offset */ - Elf32_Addr p_vaddr; /* Segment virtual address */ - Elf32_Addr p_paddr; /* Segment physical address */ - Elf32_Word p_filesz; /* Segment size in file */ - Elf32_Word p_memsz; /* Segment size in memory */ - Elf32_Word p_flags; /* Segment flags */ - Elf32_Word p_align; /* Segment alignment */ -} Elf32_Phdr; - -typedef struct -{ - Elf64_Word p_type; /* Segment type */ - Elf64_Word p_flags; /* Segment flags */ - Elf64_Off p_offset; /* Segment file offset */ - Elf64_Addr p_vaddr; /* Segment virtual address */ - Elf64_Addr p_paddr; /* Segment physical address */ - Elf64_Xword p_filesz; /* Segment size in file */ - Elf64_Xword p_memsz; /* Segment size in memory */ - Elf64_Xword p_align; /* Segment alignment */ -} Elf64_Phdr; - -/* Special value for e_phnum. This indicates that the real number of - program headers is too large to fit into e_phnum. Instead the real - value is in the field sh_info of section 0. */ - -#define PN_XNUM 0xffff - -/* Legal values for p_type (segment type). */ - -#define PT_NULL 0 /* Program header table entry unused */ -#define PT_LOAD 1 /* Loadable program segment */ -#define PT_DYNAMIC 2 /* Dynamic linking information */ -#define PT_INTERP 3 /* Program interpreter */ -#define PT_NOTE 4 /* Auxiliary information */ -#define PT_SHLIB 5 /* Reserved */ -#define PT_PHDR 6 /* Entry for header table itself */ -#define PT_TLS 7 /* Thread-local storage segment */ -#define PT_NUM 8 /* Number of defined types */ -#define PT_LOOS 0x60000000 /* Start of OS-specific */ -#define PT_GNU_EH_FRAME 0x6474e550 /* GCC .eh_frame_hdr segment */ -#define PT_GNU_STACK 0x6474e551 /* Indicates stack executability */ -#define PT_GNU_RELRO 0x6474e552 /* Read-only after relocation */ -#define PT_LOSUNW 0x6ffffffa -#define PT_SUNWBSS 0x6ffffffa /* Sun Specific segment */ -#define PT_SUNWSTACK 0x6ffffffb /* Stack segment */ -#define PT_HISUNW 0x6fffffff -#define PT_HIOS 0x6fffffff /* End of OS-specific */ -#define PT_LOPROC 0x70000000 /* Start of processor-specific */ -#define PT_HIPROC 0x7fffffff /* End of processor-specific */ - -/* Legal values for p_flags (segment flags). */ - -#define PF_X (1 << 0) /* Segment is executable */ -#define PF_W (1 << 1) /* Segment is writable */ -#define PF_R (1 << 2) /* Segment is readable */ -#define PF_MASKOS 0x0ff00000 /* OS-specific */ -#define PF_MASKPROC 0xf0000000 /* Processor-specific */ - -/* Legal values for note segment descriptor types for core files. */ - -#define NT_PRSTATUS 1 /* Contains copy of prstatus struct */ -#define NT_FPREGSET 2 /* Contains copy of fpregset struct */ -#define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */ -#define NT_PRXREG 4 /* Contains copy of prxregset struct */ -#define NT_TASKSTRUCT 4 /* Contains copy of task structure */ -#define NT_PLATFORM 5 /* String from sysinfo(SI_PLATFORM) */ -#define NT_AUXV 6 /* Contains copy of auxv array */ -#define NT_GWINDOWS 7 /* Contains copy of gwindows struct */ -#define NT_ASRS 8 /* Contains copy of asrset struct */ -#define NT_PSTATUS 10 /* Contains copy of pstatus struct */ -#define NT_PSINFO 13 /* Contains copy of psinfo struct */ -#define NT_PRCRED 14 /* Contains copy of prcred struct */ -#define NT_UTSNAME 15 /* Contains copy of utsname struct */ -#define NT_LWPSTATUS 16 /* Contains copy of lwpstatus struct */ -#define NT_LWPSINFO 17 /* Contains copy of lwpinfo struct */ -#define NT_PRFPXREG 20 /* Contains copy of fprxregset struct */ -#define NT_PRXFPREG 0x46e62b7f /* Contains copy of user_fxsr_struct */ -#define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */ -#define NT_PPC_SPE 0x101 /* PowerPC SPE/EVR registers */ -#define NT_PPC_VSX 0x102 /* PowerPC VSX registers */ -#define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */ -#define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */ -#define NT_X86_XSTATE 0x202 /* x86 extended state using xsave */ -#define NT_S390_HIGH_GPRS 0x300 /* s390 upper register halves */ -#define NT_S390_TIMER 0x301 /* s390 timer register */ -#define NT_S390_TODCMP 0x302 /* s390 TOD clock comparator register */ -#define NT_S390_TODPREG 0x303 /* s390 TOD programmable register */ -#define NT_S390_CTRS 0x304 /* s390 control registers */ -#define NT_S390_PREFIX 0x305 /* s390 prefix register */ -#define NT_S390_LAST_BREAK 0x306 /* s390 breaking event address */ -#define NT_S390_SYSTEM_CALL 0x307 /* s390 system call restart data */ -#define NT_ARM_VFP 0x400 /* ARM VFP/NEON registers */ -#define NT_ARM_TLS 0x401 /* ARM TLS register */ -#define NT_ARM_HW_BREAK 0x402 /* ARM hardware breakpoint registers */ -#define NT_ARM_HW_WATCH 0x403 /* ARM hardware watchpoint registers */ - -/* Legal values for the note segment descriptor types for object files. */ - -#define NT_VERSION 1 /* Contains a version string. */ - - -/* Dynamic section entry. */ - -typedef struct -{ - Elf32_Sword d_tag; /* Dynamic entry type */ - union - { - Elf32_Word d_val; /* Integer value */ - Elf32_Addr d_ptr; /* Address value */ - } d_un; -} Elf32_Dyn; - -typedef struct -{ - Elf64_Sxword d_tag; /* Dynamic entry type */ - union - { - Elf64_Xword d_val; /* Integer value */ - Elf64_Addr d_ptr; /* Address value */ - } d_un; -} Elf64_Dyn; - -/* Legal values for d_tag (dynamic entry type). */ - -#define DT_NULL 0 /* Marks end of dynamic section */ -#define DT_NEEDED 1 /* Name of needed library */ -#define DT_PLTRELSZ 2 /* Size in bytes of PLT relocs */ -#define DT_PLTGOT 3 /* Processor defined value */ -#define DT_HASH 4 /* Address of symbol hash table */ -#define DT_STRTAB 5 /* Address of string table */ -#define DT_SYMTAB 6 /* Address of symbol table */ -#define DT_RELA 7 /* Address of Rela relocs */ -#define DT_RELASZ 8 /* Total size of Rela relocs */ -#define DT_RELAENT 9 /* Size of one Rela reloc */ -#define DT_STRSZ 10 /* Size of string table */ -#define DT_SYMENT 11 /* Size of one symbol table entry */ -#define DT_INIT 12 /* Address of init function */ -#define DT_FINI 13 /* Address of termination function */ -#define DT_SONAME 14 /* Name of shared object */ -#define DT_RPATH 15 /* Library search path (deprecated) */ -#define DT_SYMBOLIC 16 /* Start symbol search here */ -#define DT_REL 17 /* Address of Rel relocs */ -#define DT_RELSZ 18 /* Total size of Rel relocs */ -#define DT_RELENT 19 /* Size of one Rel reloc */ -#define DT_PLTREL 20 /* Type of reloc in PLT */ -#define DT_DEBUG 21 /* For debugging; unspecified */ -#define DT_TEXTREL 22 /* Reloc might modify .text */ -#define DT_JMPREL 23 /* Address of PLT relocs */ -#define DT_BIND_NOW 24 /* Process relocations of object */ -#define DT_INIT_ARRAY 25 /* Array with addresses of init fct */ -#define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */ -#define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */ -#define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */ -#define DT_RUNPATH 29 /* Library search path */ -#define DT_FLAGS 30 /* Flags for the object being loaded */ -#define DT_ENCODING 32 /* Start of encoded range */ -#define DT_PREINIT_ARRAY 32 /* Array with addresses of preinit fct*/ -#define DT_PREINIT_ARRAYSZ 33 /* size in bytes of DT_PREINIT_ARRAY */ -#define DT_NUM 34 /* Number used */ -#define DT_LOOS 0x6000000d /* Start of OS-specific */ -#define DT_HIOS 0x6ffff000 /* End of OS-specific */ -#define DT_LOPROC 0x70000000 /* Start of processor-specific */ -#define DT_HIPROC 0x7fffffff /* End of processor-specific */ -#define DT_PROCNUM DT_MIPS_NUM /* Most used by any processor */ - -/* DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the - Dyn.d_un.d_val field of the Elf*_Dyn structure. This follows Sun's - approach. */ -#define DT_VALRNGLO 0x6ffffd00 -#define DT_GNU_PRELINKED 0x6ffffdf5 /* Prelinking timestamp */ -#define DT_GNU_CONFLICTSZ 0x6ffffdf6 /* Size of conflict section */ -#define DT_GNU_LIBLISTSZ 0x6ffffdf7 /* Size of library list */ -#define DT_CHECKSUM 0x6ffffdf8 -#define DT_PLTPADSZ 0x6ffffdf9 -#define DT_MOVEENT 0x6ffffdfa -#define DT_MOVESZ 0x6ffffdfb -#define DT_FEATURE_1 0x6ffffdfc /* Feature selection (DTF_*). */ -#define DT_POSFLAG_1 0x6ffffdfd /* Flags for DT_* entries, effecting - the following DT_* entry. */ -#define DT_SYMINSZ 0x6ffffdfe /* Size of syminfo table (in bytes) */ -#define DT_SYMINENT 0x6ffffdff /* Entry size of syminfo */ -#define DT_VALRNGHI 0x6ffffdff -#define DT_VALTAGIDX(tag) (DT_VALRNGHI - (tag)) /* Reverse order! */ -#define DT_VALNUM 12 - -/* DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the - Dyn.d_un.d_ptr field of the Elf*_Dyn structure. - - If any adjustment is made to the ELF object after it has been - built these entries will need to be adjusted. */ -#define DT_ADDRRNGLO 0x6ffffe00 -#define DT_GNU_HASH 0x6ffffef5 /* GNU-style hash table. */ -#define DT_TLSDESC_PLT 0x6ffffef6 -#define DT_TLSDESC_GOT 0x6ffffef7 -#define DT_GNU_CONFLICT 0x6ffffef8 /* Start of conflict section */ -#define DT_GNU_LIBLIST 0x6ffffef9 /* Library list */ -#define DT_CONFIG 0x6ffffefa /* Configuration information. */ -#define DT_DEPAUDIT 0x6ffffefb /* Dependency auditing. */ -#define DT_AUDIT 0x6ffffefc /* Object auditing. */ -#define DT_PLTPAD 0x6ffffefd /* PLT padding. */ -#define DT_MOVETAB 0x6ffffefe /* Move table. */ -#define DT_SYMINFO 0x6ffffeff /* Syminfo table. */ -#define DT_ADDRRNGHI 0x6ffffeff -#define DT_ADDRTAGIDX(tag) (DT_ADDRRNGHI - (tag)) /* Reverse order! */ -#define DT_ADDRNUM 11 - -/* The versioning entry types. The next are defined as part of the - GNU extension. */ -#define DT_VERSYM 0x6ffffff0 - -#define DT_RELACOUNT 0x6ffffff9 -#define DT_RELCOUNT 0x6ffffffa - -/* These were chosen by Sun. */ -#define DT_FLAGS_1 0x6ffffffb /* State flags, see DF_1_* below. */ -#define DT_VERDEF 0x6ffffffc /* Address of version definition - table */ -#define DT_VERDEFNUM 0x6ffffffd /* Number of version definitions */ -#define DT_VERNEED 0x6ffffffe /* Address of table with needed - versions */ -#define DT_VERNEEDNUM 0x6fffffff /* Number of needed versions */ -#define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */ -#define DT_VERSIONTAGNUM 16 - -/* Sun added these machine-independent extensions in the "processor-specific" - range. Be compatible. */ -#define DT_AUXILIARY 0x7ffffffd /* Shared object to load before self */ -#define DT_FILTER 0x7fffffff /* Shared object to get values from */ -#define DT_EXTRATAGIDX(tag) ((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1) -#define DT_EXTRANUM 3 - -/* Values of `d_un.d_val' in the DT_FLAGS entry. */ -#define DF_ORIGIN 0x00000001 /* Object may use DF_ORIGIN */ -#define DF_SYMBOLIC 0x00000002 /* Symbol resolutions starts here */ -#define DF_TEXTREL 0x00000004 /* Object contains text relocations */ -#define DF_BIND_NOW 0x00000008 /* No lazy binding for this object */ -#define DF_STATIC_TLS 0x00000010 /* Module uses the static TLS model */ - -/* State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 - entry in the dynamic section. */ -#define DF_1_NOW 0x00000001 /* Set RTLD_NOW for this object. */ -#define DF_1_GLOBAL 0x00000002 /* Set RTLD_GLOBAL for this object. */ -#define DF_1_GROUP 0x00000004 /* Set RTLD_GROUP for this object. */ -#define DF_1_NODELETE 0x00000008 /* Set RTLD_NODELETE for this object.*/ -#define DF_1_LOADFLTR 0x00000010 /* Trigger filtee loading at runtime.*/ -#define DF_1_INITFIRST 0x00000020 /* Set RTLD_INITFIRST for this object*/ -#define DF_1_NOOPEN 0x00000040 /* Set RTLD_NOOPEN for this object. */ -#define DF_1_ORIGIN 0x00000080 /* $ORIGIN must be handled. */ -#define DF_1_DIRECT 0x00000100 /* Direct binding enabled. */ -#define DF_1_TRANS 0x00000200 -#define DF_1_INTERPOSE 0x00000400 /* Object is used to interpose. */ -#define DF_1_NODEFLIB 0x00000800 /* Ignore default lib search path. */ -#define DF_1_NODUMP 0x00001000 /* Object can't be dldump'ed. */ -#define DF_1_CONFALT 0x00002000 /* Configuration alternative created.*/ -#define DF_1_ENDFILTEE 0x00004000 /* Filtee terminates filters search. */ -#define DF_1_DISPRELDNE 0x00008000 /* Disp reloc applied at build time. */ -#define DF_1_DISPRELPND 0x00010000 /* Disp reloc applied at run-time. */ -#define DF_1_NODIRECT 0x00020000 /* Object has no-direct binding. */ -#define DF_1_IGNMULDEF 0x00040000 -#define DF_1_NOKSYMS 0x00080000 -#define DF_1_NOHDR 0x00100000 -#define DF_1_EDITED 0x00200000 /* Object is modified after built. */ -#define DF_1_NORELOC 0x00400000 -#define DF_1_SYMINTPOSE 0x00800000 /* Object has individual interposers. */ -#define DF_1_GLOBAUDIT 0x01000000 /* Global auditin required. */ -#define DF_1_SINGLETON 0x02000000 /* Singleton symbols are used. */ - -/* Flags for the feature selection in DT_FEATURE_1. */ -#define DTF_1_PARINIT 0x00000001 -#define DTF_1_CONFEXP 0x00000002 - -/* Flags in the DT_POSFLAG_1 entry effecting only the next DT_* entry. */ -#define DF_P1_LAZYLOAD 0x00000001 /* Lazyload following object. */ -#define DF_P1_GROUPPERM 0x00000002 /* Symbols from next object are not - generally available. */ - -/* Version definition sections. */ - -typedef struct -{ - Elf32_Half vd_version; /* Version revision */ - Elf32_Half vd_flags; /* Version information */ - Elf32_Half vd_ndx; /* Version Index */ - Elf32_Half vd_cnt; /* Number of associated aux entries */ - Elf32_Word vd_hash; /* Version name hash value */ - Elf32_Word vd_aux; /* Offset in bytes to verdaux array */ - Elf32_Word vd_next; /* Offset in bytes to next verdef - entry */ -} Elf32_Verdef; - -typedef struct -{ - Elf64_Half vd_version; /* Version revision */ - Elf64_Half vd_flags; /* Version information */ - Elf64_Half vd_ndx; /* Version Index */ - Elf64_Half vd_cnt; /* Number of associated aux entries */ - Elf64_Word vd_hash; /* Version name hash value */ - Elf64_Word vd_aux; /* Offset in bytes to verdaux array */ - Elf64_Word vd_next; /* Offset in bytes to next verdef - entry */ -} Elf64_Verdef; - - -/* Legal values for vd_version (version revision). */ -#define VER_DEF_NONE 0 /* No version */ -#define VER_DEF_CURRENT 1 /* Current version */ -#define VER_DEF_NUM 2 /* Given version number */ - -/* Legal values for vd_flags (version information flags). */ -#define VER_FLG_BASE 0x1 /* Version definition of file itself */ -#define VER_FLG_WEAK 0x2 /* Weak version identifier */ - -/* Versym symbol index values. */ -#define VER_NDX_LOCAL 0 /* Symbol is local. */ -#define VER_NDX_GLOBAL 1 /* Symbol is global. */ -#define VER_NDX_LORESERVE 0xff00 /* Beginning of reserved entries. */ -#define VER_NDX_ELIMINATE 0xff01 /* Symbol is to be eliminated. */ - -/* Auxialiary version information. */ - -typedef struct -{ - Elf32_Word vda_name; /* Version or dependency names */ - Elf32_Word vda_next; /* Offset in bytes to next verdaux - entry */ -} Elf32_Verdaux; - -typedef struct -{ - Elf64_Word vda_name; /* Version or dependency names */ - Elf64_Word vda_next; /* Offset in bytes to next verdaux - entry */ -} Elf64_Verdaux; - - -/* Version dependency section. */ - -typedef struct -{ - Elf32_Half vn_version; /* Version of structure */ - Elf32_Half vn_cnt; /* Number of associated aux entries */ - Elf32_Word vn_file; /* Offset of filename for this - dependency */ - Elf32_Word vn_aux; /* Offset in bytes to vernaux array */ - Elf32_Word vn_next; /* Offset in bytes to next verneed - entry */ -} Elf32_Verneed; - -typedef struct -{ - Elf64_Half vn_version; /* Version of structure */ - Elf64_Half vn_cnt; /* Number of associated aux entries */ - Elf64_Word vn_file; /* Offset of filename for this - dependency */ - Elf64_Word vn_aux; /* Offset in bytes to vernaux array */ - Elf64_Word vn_next; /* Offset in bytes to next verneed - entry */ -} Elf64_Verneed; - - -/* Legal values for vn_version (version revision). */ -#define VER_NEED_NONE 0 /* No version */ -#define VER_NEED_CURRENT 1 /* Current version */ -#define VER_NEED_NUM 2 /* Given version number */ - -/* Auxiliary needed version information. */ - -typedef struct -{ - Elf32_Word vna_hash; /* Hash value of dependency name */ - Elf32_Half vna_flags; /* Dependency specific information */ - Elf32_Half vna_other; /* Unused */ - Elf32_Word vna_name; /* Dependency name string offset */ - Elf32_Word vna_next; /* Offset in bytes to next vernaux - entry */ -} Elf32_Vernaux; - -typedef struct -{ - Elf64_Word vna_hash; /* Hash value of dependency name */ - Elf64_Half vna_flags; /* Dependency specific information */ - Elf64_Half vna_other; /* Unused */ - Elf64_Word vna_name; /* Dependency name string offset */ - Elf64_Word vna_next; /* Offset in bytes to next vernaux - entry */ -} Elf64_Vernaux; - - -/* Legal values for vna_flags. */ -#define VER_FLG_WEAK 0x2 /* Weak version identifier */ - - -/* Auxiliary vector. */ - -/* This vector is normally only used by the program interpreter. The - usual definition in an ABI supplement uses the name auxv_t. The - vector is not usually defined in a standard file, but it - can't hurt. We rename it to avoid conflicts. The sizes of these - types are an arrangement between the exec server and the program - interpreter, so we don't fully specify them here. */ - -typedef struct -{ - uint32_t a_type; /* Entry type */ - union - { - uint32_t a_val; /* Integer value */ - /* We use to have pointer elements added here. We cannot do that, - though, since it does not work when using 32-bit definitions - on 64-bit platforms and vice versa. */ - } a_un; -} Elf32_auxv_t; - -typedef struct -{ - uint64_t a_type; /* Entry type */ - union - { - uint64_t a_val; /* Integer value */ - /* We use to have pointer elements added here. We cannot do that, - though, since it does not work when using 32-bit definitions - on 64-bit platforms and vice versa. */ - } a_un; -} Elf64_auxv_t; - -/* Legal values for a_type (entry type). */ - -#define AT_NULL 0 /* End of vector */ -#define AT_IGNORE 1 /* Entry should be ignored */ -#define AT_EXECFD 2 /* File descriptor of program */ -#define AT_PHDR 3 /* Program headers for program */ -#define AT_PHENT 4 /* Size of program header entry */ -#define AT_PHNUM 5 /* Number of program headers */ -#define AT_PAGESZ 6 /* System page size */ -#define AT_BASE 7 /* Base address of interpreter */ -#define AT_FLAGS 8 /* Flags */ -#define AT_ENTRY 9 /* Entry point of program */ -#define AT_NOTELF 10 /* Program is not ELF */ -#define AT_UID 11 /* Real uid */ -#define AT_EUID 12 /* Effective uid */ -#define AT_GID 13 /* Real gid */ -#define AT_EGID 14 /* Effective gid */ -#define AT_CLKTCK 17 /* Frequency of times() */ - -/* Some more special a_type values describing the hardware. */ -#define AT_PLATFORM 15 /* String identifying platform. */ -#define AT_HWCAP 16 /* Machine dependent hints about - processor capabilities. */ - -/* This entry gives some information about the FPU initialization - performed by the kernel. */ -#define AT_FPUCW 18 /* Used FPU control word. */ - -/* Cache block sizes. */ -#define AT_DCACHEBSIZE 19 /* Data cache block size. */ -#define AT_ICACHEBSIZE 20 /* Instruction cache block size. */ -#define AT_UCACHEBSIZE 21 /* Unified cache block size. */ - -/* A special ignored value for PPC, used by the kernel to control the - interpretation of the AUXV. Must be > 16. */ -#define AT_IGNOREPPC 22 /* Entry should be ignored. */ - -#define AT_SECURE 23 /* Boolean, was exec setuid-like? */ - -#define AT_BASE_PLATFORM 24 /* String identifying real platforms.*/ - -#define AT_RANDOM 25 /* Address of 16 random bytes. */ - -#define AT_EXECFN 31 /* Filename of executable. */ - -/* Pointer to the global system page used for system calls and other - nice things. */ -#define AT_SYSINFO 32 -#define AT_SYSINFO_EHDR 33 - -/* Shapes of the caches. Bits 0-3 contains associativity; bits 4-7 contains - log2 of line size; mask those to get cache size. */ -#define AT_L1I_CACHESHAPE 34 -#define AT_L1D_CACHESHAPE 35 -#define AT_L2_CACHESHAPE 36 -#define AT_L3_CACHESHAPE 37 - -/* Note section contents. Each entry in the note section begins with - a header of a fixed form. */ - -typedef struct -{ - Elf32_Word n_namesz; /* Length of the note's name. */ - Elf32_Word n_descsz; /* Length of the note's descriptor. */ - Elf32_Word n_type; /* Type of the note. */ -} Elf32_Nhdr; - -typedef struct -{ - Elf64_Word n_namesz; /* Length of the note's name. */ - Elf64_Word n_descsz; /* Length of the note's descriptor. */ - Elf64_Word n_type; /* Type of the note. */ -} Elf64_Nhdr; - -/* Known names of notes. */ - -/* Solaris entries in the note section have this name. */ -#define ELF_NOTE_SOLARIS "SUNW Solaris" - -/* Note entries for GNU systems have this name. */ -#define ELF_NOTE_GNU "GNU" - - -/* Defined types of notes for Solaris. */ - -/* Value of descriptor (one word) is desired pagesize for the binary. */ -#define ELF_NOTE_PAGESIZE_HINT 1 - - -/* Defined note types for GNU systems. */ - -/* ABI information. The descriptor consists of words: - word 0: OS descriptor - word 1: major version of the ABI - word 2: minor version of the ABI - word 3: subminor version of the ABI -*/ -#define NT_GNU_ABI_TAG 1 -#define ELF_NOTE_ABI NT_GNU_ABI_TAG /* Old name. */ - -/* Known OSes. These values can appear in word 0 of an - NT_GNU_ABI_TAG note section entry. */ -#define ELF_NOTE_OS_LINUX 0 -#define ELF_NOTE_OS_GNU 1 -#define ELF_NOTE_OS_SOLARIS2 2 -#define ELF_NOTE_OS_FREEBSD 3 - -/* Synthetic hwcap information. The descriptor begins with two words: - word 0: number of entries - word 1: bitmask of enabled entries - Then follow variable-length entries, one byte followed by a - '\0'-terminated hwcap name string. The byte gives the bit - number to test if enabled, (1U << bit) & bitmask. */ -#define NT_GNU_HWCAP 2 - -/* Build ID bits as generated by ld --build-id. - The descriptor consists of any nonzero number of bytes. */ -#define NT_GNU_BUILD_ID 3 - -/* Version note generated by GNU gold containing a version string. */ -#define NT_GNU_GOLD_VERSION 4 - - -/* Move records. */ -typedef struct -{ - Elf32_Xword m_value; /* Symbol value. */ - Elf32_Word m_info; /* Size and index. */ - Elf32_Word m_poffset; /* Symbol offset. */ - Elf32_Half m_repeat; /* Repeat count. */ - Elf32_Half m_stride; /* Stride info. */ -} Elf32_Move; - -typedef struct -{ - Elf64_Xword m_value; /* Symbol value. */ - Elf64_Xword m_info; /* Size and index. */ - Elf64_Xword m_poffset; /* Symbol offset. */ - Elf64_Half m_repeat; /* Repeat count. */ - Elf64_Half m_stride; /* Stride info. */ -} Elf64_Move; - -/* Macro to construct move records. */ -#define ELF32_M_SYM(info) ((info) >> 8) -#define ELF32_M_SIZE(info) ((unsigned char) (info)) -#define ELF32_M_INFO(sym, size) (((sym) << 8) + (unsigned char) (size)) - -#define ELF64_M_SYM(info) ELF32_M_SYM (info) -#define ELF64_M_SIZE(info) ELF32_M_SIZE (info) -#define ELF64_M_INFO(sym, size) ELF32_M_INFO (sym, size) - - -/* Motorola 68k specific definitions. */ - -/* Values for Elf32_Ehdr.e_flags. */ -#define EF_CPU32 0x00810000 - -/* m68k relocs. */ - -#define R_68K_NONE 0 /* No reloc */ -#define R_68K_32 1 /* Direct 32 bit */ -#define R_68K_16 2 /* Direct 16 bit */ -#define R_68K_8 3 /* Direct 8 bit */ -#define R_68K_PC32 4 /* PC relative 32 bit */ -#define R_68K_PC16 5 /* PC relative 16 bit */ -#define R_68K_PC8 6 /* PC relative 8 bit */ -#define R_68K_GOT32 7 /* 32 bit PC relative GOT entry */ -#define R_68K_GOT16 8 /* 16 bit PC relative GOT entry */ -#define R_68K_GOT8 9 /* 8 bit PC relative GOT entry */ -#define R_68K_GOT32O 10 /* 32 bit GOT offset */ -#define R_68K_GOT16O 11 /* 16 bit GOT offset */ -#define R_68K_GOT8O 12 /* 8 bit GOT offset */ -#define R_68K_PLT32 13 /* 32 bit PC relative PLT address */ -#define R_68K_PLT16 14 /* 16 bit PC relative PLT address */ -#define R_68K_PLT8 15 /* 8 bit PC relative PLT address */ -#define R_68K_PLT32O 16 /* 32 bit PLT offset */ -#define R_68K_PLT16O 17 /* 16 bit PLT offset */ -#define R_68K_PLT8O 18 /* 8 bit PLT offset */ -#define R_68K_COPY 19 /* Copy symbol at runtime */ -#define R_68K_GLOB_DAT 20 /* Create GOT entry */ -#define R_68K_JMP_SLOT 21 /* Create PLT entry */ -#define R_68K_RELATIVE 22 /* Adjust by program base */ -#define R_68K_TLS_GD32 25 /* 32 bit GOT offset for GD */ -#define R_68K_TLS_GD16 26 /* 16 bit GOT offset for GD */ -#define R_68K_TLS_GD8 27 /* 8 bit GOT offset for GD */ -#define R_68K_TLS_LDM32 28 /* 32 bit GOT offset for LDM */ -#define R_68K_TLS_LDM16 29 /* 16 bit GOT offset for LDM */ -#define R_68K_TLS_LDM8 30 /* 8 bit GOT offset for LDM */ -#define R_68K_TLS_LDO32 31 /* 32 bit module-relative offset */ -#define R_68K_TLS_LDO16 32 /* 16 bit module-relative offset */ -#define R_68K_TLS_LDO8 33 /* 8 bit module-relative offset */ -#define R_68K_TLS_IE32 34 /* 32 bit GOT offset for IE */ -#define R_68K_TLS_IE16 35 /* 16 bit GOT offset for IE */ -#define R_68K_TLS_IE8 36 /* 8 bit GOT offset for IE */ -#define R_68K_TLS_LE32 37 /* 32 bit offset relative to - static TLS block */ -#define R_68K_TLS_LE16 38 /* 16 bit offset relative to - static TLS block */ -#define R_68K_TLS_LE8 39 /* 8 bit offset relative to - static TLS block */ -#define R_68K_TLS_DTPMOD32 40 /* 32 bit module number */ -#define R_68K_TLS_DTPREL32 41 /* 32 bit module-relative offset */ -#define R_68K_TLS_TPREL32 42 /* 32 bit TP-relative offset */ -/* Keep this the last entry. */ -#define R_68K_NUM 43 - -/* Intel 80386 specific definitions. */ - -/* i386 relocs. */ - -#define R_386_NONE 0 /* No reloc */ -#define R_386_32 1 /* Direct 32 bit */ -#define R_386_PC32 2 /* PC relative 32 bit */ -#define R_386_GOT32 3 /* 32 bit GOT entry */ -#define R_386_PLT32 4 /* 32 bit PLT address */ -#define R_386_COPY 5 /* Copy symbol at runtime */ -#define R_386_GLOB_DAT 6 /* Create GOT entry */ -#define R_386_JMP_SLOT 7 /* Create PLT entry */ -#define R_386_RELATIVE 8 /* Adjust by program base */ -#define R_386_GOTOFF 9 /* 32 bit offset to GOT */ -#define R_386_GOTPC 10 /* 32 bit PC relative offset to GOT */ -#define R_386_32PLT 11 -#define R_386_TLS_TPOFF 14 /* Offset in static TLS block */ -#define R_386_TLS_IE 15 /* Address of GOT entry for static TLS - block offset */ -#define R_386_TLS_GOTIE 16 /* GOT entry for static TLS block - offset */ -#define R_386_TLS_LE 17 /* Offset relative to static TLS - block */ -#define R_386_TLS_GD 18 /* Direct 32 bit for GNU version of - general dynamic thread local data */ -#define R_386_TLS_LDM 19 /* Direct 32 bit for GNU version of - local dynamic thread local data - in LE code */ -#define R_386_16 20 -#define R_386_PC16 21 -#define R_386_8 22 -#define R_386_PC8 23 -#define R_386_TLS_GD_32 24 /* Direct 32 bit for general dynamic - thread local data */ -#define R_386_TLS_GD_PUSH 25 /* Tag for pushl in GD TLS code */ -#define R_386_TLS_GD_CALL 26 /* Relocation for call to - __tls_get_addr() */ -#define R_386_TLS_GD_POP 27 /* Tag for popl in GD TLS code */ -#define R_386_TLS_LDM_32 28 /* Direct 32 bit for local dynamic - thread local data in LE code */ -#define R_386_TLS_LDM_PUSH 29 /* Tag for pushl in LDM TLS code */ -#define R_386_TLS_LDM_CALL 30 /* Relocation for call to - __tls_get_addr() in LDM code */ -#define R_386_TLS_LDM_POP 31 /* Tag for popl in LDM TLS code */ -#define R_386_TLS_LDO_32 32 /* Offset relative to TLS block */ -#define R_386_TLS_IE_32 33 /* GOT entry for negated static TLS - block offset */ -#define R_386_TLS_LE_32 34 /* Negated offset relative to static - TLS block */ -#define R_386_TLS_DTPMOD32 35 /* ID of module containing symbol */ -#define R_386_TLS_DTPOFF32 36 /* Offset in TLS block */ -#define R_386_TLS_TPOFF32 37 /* Negated offset in static TLS block */ -/* 38? */ -#define R_386_TLS_GOTDESC 39 /* GOT offset for TLS descriptor. */ -#define R_386_TLS_DESC_CALL 40 /* Marker of call through TLS - descriptor for - relaxation. */ -#define R_386_TLS_DESC 41 /* TLS descriptor containing - pointer to code and to - argument, returning the TLS - offset for the symbol. */ -#define R_386_IRELATIVE 42 /* Adjust indirectly by program base */ -/* Keep this the last entry. */ -#define R_386_NUM 43 - -/* SUN SPARC specific definitions. */ - -/* Legal values for ST_TYPE subfield of st_info (symbol type). */ - -#define STT_SPARC_REGISTER 13 /* Global register reserved to app. */ - -/* Values for Elf64_Ehdr.e_flags. */ - -#define EF_SPARCV9_MM 3 -#define EF_SPARCV9_TSO 0 -#define EF_SPARCV9_PSO 1 -#define EF_SPARCV9_RMO 2 -#define EF_SPARC_LEDATA 0x800000 /* little endian data */ -#define EF_SPARC_EXT_MASK 0xFFFF00 -#define EF_SPARC_32PLUS 0x000100 /* generic V8+ features */ -#define EF_SPARC_SUN_US1 0x000200 /* Sun UltraSPARC1 extensions */ -#define EF_SPARC_HAL_R1 0x000400 /* HAL R1 extensions */ -#define EF_SPARC_SUN_US3 0x000800 /* Sun UltraSPARCIII extensions */ - -/* SPARC relocs. */ - -#define R_SPARC_NONE 0 /* No reloc */ -#define R_SPARC_8 1 /* Direct 8 bit */ -#define R_SPARC_16 2 /* Direct 16 bit */ -#define R_SPARC_32 3 /* Direct 32 bit */ -#define R_SPARC_DISP8 4 /* PC relative 8 bit */ -#define R_SPARC_DISP16 5 /* PC relative 16 bit */ -#define R_SPARC_DISP32 6 /* PC relative 32 bit */ -#define R_SPARC_WDISP30 7 /* PC relative 30 bit shifted */ -#define R_SPARC_WDISP22 8 /* PC relative 22 bit shifted */ -#define R_SPARC_HI22 9 /* High 22 bit */ -#define R_SPARC_22 10 /* Direct 22 bit */ -#define R_SPARC_13 11 /* Direct 13 bit */ -#define R_SPARC_LO10 12 /* Truncated 10 bit */ -#define R_SPARC_GOT10 13 /* Truncated 10 bit GOT entry */ -#define R_SPARC_GOT13 14 /* 13 bit GOT entry */ -#define R_SPARC_GOT22 15 /* 22 bit GOT entry shifted */ -#define R_SPARC_PC10 16 /* PC relative 10 bit truncated */ -#define R_SPARC_PC22 17 /* PC relative 22 bit shifted */ -#define R_SPARC_WPLT30 18 /* 30 bit PC relative PLT address */ -#define R_SPARC_COPY 19 /* Copy symbol at runtime */ -#define R_SPARC_GLOB_DAT 20 /* Create GOT entry */ -#define R_SPARC_JMP_SLOT 21 /* Create PLT entry */ -#define R_SPARC_RELATIVE 22 /* Adjust by program base */ -#define R_SPARC_UA32 23 /* Direct 32 bit unaligned */ - -/* Additional Sparc64 relocs. */ - -#define R_SPARC_PLT32 24 /* Direct 32 bit ref to PLT entry */ -#define R_SPARC_HIPLT22 25 /* High 22 bit PLT entry */ -#define R_SPARC_LOPLT10 26 /* Truncated 10 bit PLT entry */ -#define R_SPARC_PCPLT32 27 /* PC rel 32 bit ref to PLT entry */ -#define R_SPARC_PCPLT22 28 /* PC rel high 22 bit PLT entry */ -#define R_SPARC_PCPLT10 29 /* PC rel trunc 10 bit PLT entry */ -#define R_SPARC_10 30 /* Direct 10 bit */ -#define R_SPARC_11 31 /* Direct 11 bit */ -#define R_SPARC_64 32 /* Direct 64 bit */ -#define R_SPARC_OLO10 33 /* 10bit with secondary 13bit addend */ -#define R_SPARC_HH22 34 /* Top 22 bits of direct 64 bit */ -#define R_SPARC_HM10 35 /* High middle 10 bits of ... */ -#define R_SPARC_LM22 36 /* Low middle 22 bits of ... */ -#define R_SPARC_PC_HH22 37 /* Top 22 bits of pc rel 64 bit */ -#define R_SPARC_PC_HM10 38 /* High middle 10 bit of ... */ -#define R_SPARC_PC_LM22 39 /* Low miggle 22 bits of ... */ -#define R_SPARC_WDISP16 40 /* PC relative 16 bit shifted */ -#define R_SPARC_WDISP19 41 /* PC relative 19 bit shifted */ -#define R_SPARC_GLOB_JMP 42 /* was part of v9 ABI but was removed */ -#define R_SPARC_7 43 /* Direct 7 bit */ -#define R_SPARC_5 44 /* Direct 5 bit */ -#define R_SPARC_6 45 /* Direct 6 bit */ -#define R_SPARC_DISP64 46 /* PC relative 64 bit */ -#define R_SPARC_PLT64 47 /* Direct 64 bit ref to PLT entry */ -#define R_SPARC_HIX22 48 /* High 22 bit complemented */ -#define R_SPARC_LOX10 49 /* Truncated 11 bit complemented */ -#define R_SPARC_H44 50 /* Direct high 12 of 44 bit */ -#define R_SPARC_M44 51 /* Direct mid 22 of 44 bit */ -#define R_SPARC_L44 52 /* Direct low 10 of 44 bit */ -#define R_SPARC_REGISTER 53 /* Global register usage */ -#define R_SPARC_UA64 54 /* Direct 64 bit unaligned */ -#define R_SPARC_UA16 55 /* Direct 16 bit unaligned */ -#define R_SPARC_TLS_GD_HI22 56 -#define R_SPARC_TLS_GD_LO10 57 -#define R_SPARC_TLS_GD_ADD 58 -#define R_SPARC_TLS_GD_CALL 59 -#define R_SPARC_TLS_LDM_HI22 60 -#define R_SPARC_TLS_LDM_LO10 61 -#define R_SPARC_TLS_LDM_ADD 62 -#define R_SPARC_TLS_LDM_CALL 63 -#define R_SPARC_TLS_LDO_HIX22 64 -#define R_SPARC_TLS_LDO_LOX10 65 -#define R_SPARC_TLS_LDO_ADD 66 -#define R_SPARC_TLS_IE_HI22 67 -#define R_SPARC_TLS_IE_LO10 68 -#define R_SPARC_TLS_IE_LD 69 -#define R_SPARC_TLS_IE_LDX 70 -#define R_SPARC_TLS_IE_ADD 71 -#define R_SPARC_TLS_LE_HIX22 72 -#define R_SPARC_TLS_LE_LOX10 73 -#define R_SPARC_TLS_DTPMOD32 74 -#define R_SPARC_TLS_DTPMOD64 75 -#define R_SPARC_TLS_DTPOFF32 76 -#define R_SPARC_TLS_DTPOFF64 77 -#define R_SPARC_TLS_TPOFF32 78 -#define R_SPARC_TLS_TPOFF64 79 -#define R_SPARC_GOTDATA_HIX22 80 -#define R_SPARC_GOTDATA_LOX10 81 -#define R_SPARC_GOTDATA_OP_HIX22 82 -#define R_SPARC_GOTDATA_OP_LOX10 83 -#define R_SPARC_GOTDATA_OP 84 -#define R_SPARC_H34 85 -#define R_SPARC_SIZE32 86 -#define R_SPARC_SIZE64 87 -#define R_SPARC_WDISP10 88 -#define R_SPARC_JMP_IREL 248 -#define R_SPARC_IRELATIVE 249 -#define R_SPARC_GNU_VTINHERIT 250 -#define R_SPARC_GNU_VTENTRY 251 -#define R_SPARC_REV32 252 -/* Keep this the last entry. */ -#define R_SPARC_NUM 253 - -/* For Sparc64, legal values for d_tag of Elf64_Dyn. */ - -#define DT_SPARC_REGISTER 0x70000001 -#define DT_SPARC_NUM 2 - -/* MIPS R3000 specific definitions. */ - -/* Legal values for e_flags field of Elf32_Ehdr. */ - -#define EF_MIPS_NOREORDER 1 /* A .noreorder directive was used */ -#define EF_MIPS_PIC 2 /* Contains PIC code */ -#define EF_MIPS_CPIC 4 /* Uses PIC calling sequence */ -#define EF_MIPS_XGOT 8 -#define EF_MIPS_64BIT_WHIRL 16 -#define EF_MIPS_ABI2 32 -#define EF_MIPS_ABI_ON32 64 -#define EF_MIPS_ARCH 0xf0000000 /* MIPS architecture level */ - -/* Legal values for MIPS architecture level. */ - -#define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code. */ -#define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code. */ -#define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code. */ -#define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code. */ -#define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code. */ -#define EF_MIPS_ARCH_32 0x60000000 /* MIPS32 code. */ -#define EF_MIPS_ARCH_64 0x70000000 /* MIPS64 code. */ - -/* The following are non-official names and should not be used. */ - -#define E_MIPS_ARCH_1 0x00000000 /* -mips1 code. */ -#define E_MIPS_ARCH_2 0x10000000 /* -mips2 code. */ -#define E_MIPS_ARCH_3 0x20000000 /* -mips3 code. */ -#define E_MIPS_ARCH_4 0x30000000 /* -mips4 code. */ -#define E_MIPS_ARCH_5 0x40000000 /* -mips5 code. */ -#define E_MIPS_ARCH_32 0x60000000 /* MIPS32 code. */ -#define E_MIPS_ARCH_64 0x70000000 /* MIPS64 code. */ - -/* Special section indices. */ - -#define SHN_MIPS_ACOMMON 0xff00 /* Allocated common symbols */ -#define SHN_MIPS_TEXT 0xff01 /* Allocated test symbols. */ -#define SHN_MIPS_DATA 0xff02 /* Allocated data symbols. */ -#define SHN_MIPS_SCOMMON 0xff03 /* Small common symbols */ -#define SHN_MIPS_SUNDEFINED 0xff04 /* Small undefined symbols */ - -/* Legal values for sh_type field of Elf32_Shdr. */ - -#define SHT_MIPS_LIBLIST 0x70000000 /* Shared objects used in link */ -#define SHT_MIPS_MSYM 0x70000001 -#define SHT_MIPS_CONFLICT 0x70000002 /* Conflicting symbols */ -#define SHT_MIPS_GPTAB 0x70000003 /* Global data area sizes */ -#define SHT_MIPS_UCODE 0x70000004 /* Reserved for SGI/MIPS compilers */ -#define SHT_MIPS_DEBUG 0x70000005 /* MIPS ECOFF debugging information*/ -#define SHT_MIPS_REGINFO 0x70000006 /* Register usage information */ -#define SHT_MIPS_PACKAGE 0x70000007 -#define SHT_MIPS_PACKSYM 0x70000008 -#define SHT_MIPS_RELD 0x70000009 -#define SHT_MIPS_IFACE 0x7000000b -#define SHT_MIPS_CONTENT 0x7000000c -#define SHT_MIPS_OPTIONS 0x7000000d /* Miscellaneous options. */ -#define SHT_MIPS_SHDR 0x70000010 -#define SHT_MIPS_FDESC 0x70000011 -#define SHT_MIPS_EXTSYM 0x70000012 -#define SHT_MIPS_DENSE 0x70000013 -#define SHT_MIPS_PDESC 0x70000014 -#define SHT_MIPS_LOCSYM 0x70000015 -#define SHT_MIPS_AUXSYM 0x70000016 -#define SHT_MIPS_OPTSYM 0x70000017 -#define SHT_MIPS_LOCSTR 0x70000018 -#define SHT_MIPS_LINE 0x70000019 -#define SHT_MIPS_RFDESC 0x7000001a -#define SHT_MIPS_DELTASYM 0x7000001b -#define SHT_MIPS_DELTAINST 0x7000001c -#define SHT_MIPS_DELTACLASS 0x7000001d -#define SHT_MIPS_DWARF 0x7000001e /* DWARF debugging information. */ -#define SHT_MIPS_DELTADECL 0x7000001f -#define SHT_MIPS_SYMBOL_LIB 0x70000020 -#define SHT_MIPS_EVENTS 0x70000021 /* Event section. */ -#define SHT_MIPS_TRANSLATE 0x70000022 -#define SHT_MIPS_PIXIE 0x70000023 -#define SHT_MIPS_XLATE 0x70000024 -#define SHT_MIPS_XLATE_DEBUG 0x70000025 -#define SHT_MIPS_WHIRL 0x70000026 -#define SHT_MIPS_EH_REGION 0x70000027 -#define SHT_MIPS_XLATE_OLD 0x70000028 -#define SHT_MIPS_PDR_EXCEPTION 0x70000029 - -/* Legal values for sh_flags field of Elf32_Shdr. */ - -#define SHF_MIPS_GPREL 0x10000000 /* Must be part of global data area */ -#define SHF_MIPS_MERGE 0x20000000 -#define SHF_MIPS_ADDR 0x40000000 -#define SHF_MIPS_STRINGS 0x80000000 -#define SHF_MIPS_NOSTRIP 0x08000000 -#define SHF_MIPS_LOCAL 0x04000000 -#define SHF_MIPS_NAMES 0x02000000 -#define SHF_MIPS_NODUPE 0x01000000 - - -/* Symbol tables. */ - -/* MIPS specific values for `st_other'. */ -#define STO_MIPS_DEFAULT 0x0 -#define STO_MIPS_INTERNAL 0x1 -#define STO_MIPS_HIDDEN 0x2 -#define STO_MIPS_PROTECTED 0x3 -#define STO_MIPS_PLT 0x8 -#define STO_MIPS_SC_ALIGN_UNUSED 0xff - -/* MIPS specific values for `st_info'. */ -#define STB_MIPS_SPLIT_COMMON 13 - -/* Entries found in sections of type SHT_MIPS_GPTAB. */ - -typedef union -{ - struct - { - Elf32_Word gt_current_g_value; /* -G value used for compilation */ - Elf32_Word gt_unused; /* Not used */ - } gt_header; /* First entry in section */ - struct - { - Elf32_Word gt_g_value; /* If this value were used for -G */ - Elf32_Word gt_bytes; /* This many bytes would be used */ - } gt_entry; /* Subsequent entries in section */ -} Elf32_gptab; - -/* Entry found in sections of type SHT_MIPS_REGINFO. */ - -typedef struct -{ - Elf32_Word ri_gprmask; /* General registers used */ - Elf32_Word ri_cprmask[4]; /* Coprocessor registers used */ - Elf32_Sword ri_gp_value; /* $gp register value */ -} Elf32_RegInfo; - -/* Entries found in sections of type SHT_MIPS_OPTIONS. */ - -typedef struct -{ - unsigned char kind; /* Determines interpretation of the - variable part of descriptor. */ - unsigned char size; /* Size of descriptor, including header. */ - Elf32_Section section; /* Section header index of section affected, - 0 for global options. */ - Elf32_Word info; /* Kind-specific information. */ -} Elf_Options; - -/* Values for `kind' field in Elf_Options. */ - -#define ODK_NULL 0 /* Undefined. */ -#define ODK_REGINFO 1 /* Register usage information. */ -#define ODK_EXCEPTIONS 2 /* Exception processing options. */ -#define ODK_PAD 3 /* Section padding options. */ -#define ODK_HWPATCH 4 /* Hardware workarounds performed */ -#define ODK_FILL 5 /* record the fill value used by the linker. */ -#define ODK_TAGS 6 /* reserve space for desktop tools to write. */ -#define ODK_HWAND 7 /* HW workarounds. 'AND' bits when merging. */ -#define ODK_HWOR 8 /* HW workarounds. 'OR' bits when merging. */ - -/* Values for `info' in Elf_Options for ODK_EXCEPTIONS entries. */ - -#define OEX_FPU_MIN 0x1f /* FPE's which MUST be enabled. */ -#define OEX_FPU_MAX 0x1f00 /* FPE's which MAY be enabled. */ -#define OEX_PAGE0 0x10000 /* page zero must be mapped. */ -#define OEX_SMM 0x20000 /* Force sequential memory mode? */ -#define OEX_FPDBUG 0x40000 /* Force floating point debug mode? */ -#define OEX_PRECISEFP OEX_FPDBUG -#define OEX_DISMISS 0x80000 /* Dismiss invalid address faults? */ - -#define OEX_FPU_INVAL 0x10 -#define OEX_FPU_DIV0 0x08 -#define OEX_FPU_OFLO 0x04 -#define OEX_FPU_UFLO 0x02 -#define OEX_FPU_INEX 0x01 - -/* Masks for `info' in Elf_Options for an ODK_HWPATCH entry. */ - -#define OHW_R4KEOP 0x1 /* R4000 end-of-page patch. */ -#define OHW_R8KPFETCH 0x2 /* may need R8000 prefetch patch. */ -#define OHW_R5KEOP 0x4 /* R5000 end-of-page patch. */ -#define OHW_R5KCVTL 0x8 /* R5000 cvt.[ds].l bug. clean=1. */ - -#define OPAD_PREFIX 0x1 -#define OPAD_POSTFIX 0x2 -#define OPAD_SYMBOL 0x4 - -/* Entry found in `.options' section. */ - -typedef struct -{ - Elf32_Word hwp_flags1; /* Extra flags. */ - Elf32_Word hwp_flags2; /* Extra flags. */ -} Elf_Options_Hw; - -/* Masks for `info' in ElfOptions for ODK_HWAND and ODK_HWOR entries. */ - -#define OHWA0_R4KEOP_CHECKED 0x00000001 -#define OHWA1_R4KEOP_CLEAN 0x00000002 - -/* MIPS relocs. */ - -#define R_MIPS_NONE 0 /* No reloc */ -#define R_MIPS_16 1 /* Direct 16 bit */ -#define R_MIPS_32 2 /* Direct 32 bit */ -#define R_MIPS_REL32 3 /* PC relative 32 bit */ -#define R_MIPS_26 4 /* Direct 26 bit shifted */ -#define R_MIPS_HI16 5 /* High 16 bit */ -#define R_MIPS_LO16 6 /* Low 16 bit */ -#define R_MIPS_GPREL16 7 /* GP relative 16 bit */ -#define R_MIPS_LITERAL 8 /* 16 bit literal entry */ -#define R_MIPS_GOT16 9 /* 16 bit GOT entry */ -#define R_MIPS_PC16 10 /* PC relative 16 bit */ -#define R_MIPS_CALL16 11 /* 16 bit GOT entry for function */ -#define R_MIPS_GPREL32 12 /* GP relative 32 bit */ - -#define R_MIPS_SHIFT5 16 -#define R_MIPS_SHIFT6 17 -#define R_MIPS_64 18 -#define R_MIPS_GOT_DISP 19 -#define R_MIPS_GOT_PAGE 20 -#define R_MIPS_GOT_OFST 21 -#define R_MIPS_GOT_HI16 22 -#define R_MIPS_GOT_LO16 23 -#define R_MIPS_SUB 24 -#define R_MIPS_INSERT_A 25 -#define R_MIPS_INSERT_B 26 -#define R_MIPS_DELETE 27 -#define R_MIPS_HIGHER 28 -#define R_MIPS_HIGHEST 29 -#define R_MIPS_CALL_HI16 30 -#define R_MIPS_CALL_LO16 31 -#define R_MIPS_SCN_DISP 32 -#define R_MIPS_REL16 33 -#define R_MIPS_ADD_IMMEDIATE 34 -#define R_MIPS_PJUMP 35 -#define R_MIPS_RELGOT 36 -#define R_MIPS_JALR 37 -#define R_MIPS_TLS_DTPMOD32 38 /* Module number 32 bit */ -#define R_MIPS_TLS_DTPREL32 39 /* Module-relative offset 32 bit */ -#define R_MIPS_TLS_DTPMOD64 40 /* Module number 64 bit */ -#define R_MIPS_TLS_DTPREL64 41 /* Module-relative offset 64 bit */ -#define R_MIPS_TLS_GD 42 /* 16 bit GOT offset for GD */ -#define R_MIPS_TLS_LDM 43 /* 16 bit GOT offset for LDM */ -#define R_MIPS_TLS_DTPREL_HI16 44 /* Module-relative offset, high 16 bits */ -#define R_MIPS_TLS_DTPREL_LO16 45 /* Module-relative offset, low 16 bits */ -#define R_MIPS_TLS_GOTTPREL 46 /* 16 bit GOT offset for IE */ -#define R_MIPS_TLS_TPREL32 47 /* TP-relative offset, 32 bit */ -#define R_MIPS_TLS_TPREL64 48 /* TP-relative offset, 64 bit */ -#define R_MIPS_TLS_TPREL_HI16 49 /* TP-relative offset, high 16 bits */ -#define R_MIPS_TLS_TPREL_LO16 50 /* TP-relative offset, low 16 bits */ -#define R_MIPS_GLOB_DAT 51 -#define R_MIPS_COPY 126 -#define R_MIPS_JUMP_SLOT 127 -/* Keep this the last entry. */ -#define R_MIPS_NUM 128 - -/* Legal values for p_type field of Elf32_Phdr. */ - -#define PT_MIPS_REGINFO 0x70000000 /* Register usage information */ -#define PT_MIPS_RTPROC 0x70000001 /* Runtime procedure table. */ -#define PT_MIPS_OPTIONS 0x70000002 - -/* Special program header types. */ - -#define PF_MIPS_LOCAL 0x10000000 - -/* Legal values for d_tag field of Elf32_Dyn. */ - -#define DT_MIPS_RLD_VERSION 0x70000001 /* Runtime linker interface version */ -#define DT_MIPS_TIME_STAMP 0x70000002 /* Timestamp */ -#define DT_MIPS_ICHECKSUM 0x70000003 /* Checksum */ -#define DT_MIPS_IVERSION 0x70000004 /* Version string (string tbl index) */ -#define DT_MIPS_FLAGS 0x70000005 /* Flags */ -#define DT_MIPS_BASE_ADDRESS 0x70000006 /* Base address */ -#define DT_MIPS_MSYM 0x70000007 -#define DT_MIPS_CONFLICT 0x70000008 /* Address of CONFLICT section */ -#define DT_MIPS_LIBLIST 0x70000009 /* Address of LIBLIST section */ -#define DT_MIPS_LOCAL_GOTNO 0x7000000a /* Number of local GOT entries */ -#define DT_MIPS_CONFLICTNO 0x7000000b /* Number of CONFLICT entries */ -#define DT_MIPS_LIBLISTNO 0x70000010 /* Number of LIBLIST entries */ -#define DT_MIPS_SYMTABNO 0x70000011 /* Number of DYNSYM entries */ -#define DT_MIPS_UNREFEXTNO 0x70000012 /* First external DYNSYM */ -#define DT_MIPS_GOTSYM 0x70000013 /* First GOT entry in DYNSYM */ -#define DT_MIPS_HIPAGENO 0x70000014 /* Number of GOT page table entries */ -#define DT_MIPS_RLD_MAP 0x70000016 /* Address of run time loader map. */ -#define DT_MIPS_DELTA_CLASS 0x70000017 /* Delta C++ class definition. */ -#define DT_MIPS_DELTA_CLASS_NO 0x70000018 /* Number of entries in - DT_MIPS_DELTA_CLASS. */ -#define DT_MIPS_DELTA_INSTANCE 0x70000019 /* Delta C++ class instances. */ -#define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a /* Number of entries in - DT_MIPS_DELTA_INSTANCE. */ -#define DT_MIPS_DELTA_RELOC 0x7000001b /* Delta relocations. */ -#define DT_MIPS_DELTA_RELOC_NO 0x7000001c /* Number of entries in - DT_MIPS_DELTA_RELOC. */ -#define DT_MIPS_DELTA_SYM 0x7000001d /* Delta symbols that Delta - relocations refer to. */ -#define DT_MIPS_DELTA_SYM_NO 0x7000001e /* Number of entries in - DT_MIPS_DELTA_SYM. */ -#define DT_MIPS_DELTA_CLASSSYM 0x70000020 /* Delta symbols that hold the - class declaration. */ -#define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 /* Number of entries in - DT_MIPS_DELTA_CLASSSYM. */ -#define DT_MIPS_CXX_FLAGS 0x70000022 /* Flags indicating for C++ flavor. */ -#define DT_MIPS_PIXIE_INIT 0x70000023 -#define DT_MIPS_SYMBOL_LIB 0x70000024 -#define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025 -#define DT_MIPS_LOCAL_GOTIDX 0x70000026 -#define DT_MIPS_HIDDEN_GOTIDX 0x70000027 -#define DT_MIPS_PROTECTED_GOTIDX 0x70000028 -#define DT_MIPS_OPTIONS 0x70000029 /* Address of .options. */ -#define DT_MIPS_INTERFACE 0x7000002a /* Address of .interface. */ -#define DT_MIPS_DYNSTR_ALIGN 0x7000002b -#define DT_MIPS_INTERFACE_SIZE 0x7000002c /* Size of the .interface section. */ -#define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d /* Address of rld_text_rsolve - function stored in GOT. */ -#define DT_MIPS_PERF_SUFFIX 0x7000002e /* Default suffix of dso to be added - by rld on dlopen() calls. */ -#define DT_MIPS_COMPACT_SIZE 0x7000002f /* (O32)Size of compact rel section. */ -#define DT_MIPS_GP_VALUE 0x70000030 /* GP value for aux GOTs. */ -#define DT_MIPS_AUX_DYNAMIC 0x70000031 /* Address of aux .dynamic. */ -/* The address of .got.plt in an executable using the new non-PIC ABI. */ -#define DT_MIPS_PLTGOT 0x70000032 -/* The base of the PLT in an executable using the new non-PIC ABI if that - PLT is writable. For a non-writable PLT, this is omitted or has a zero - value. */ -#define DT_MIPS_RWPLT 0x70000034 -#define DT_MIPS_NUM 0x35 - -/* Legal values for DT_MIPS_FLAGS Elf32_Dyn entry. */ - -#define RHF_NONE 0 /* No flags */ -#define RHF_QUICKSTART (1 << 0) /* Use quickstart */ -#define RHF_NOTPOT (1 << 1) /* Hash size not power of 2 */ -#define RHF_NO_LIBRARY_REPLACEMENT (1 << 2) /* Ignore LD_LIBRARY_PATH */ -#define RHF_NO_MOVE (1 << 3) -#define RHF_SGI_ONLY (1 << 4) -#define RHF_GUARANTEE_INIT (1 << 5) -#define RHF_DELTA_C_PLUS_PLUS (1 << 6) -#define RHF_GUARANTEE_START_INIT (1 << 7) -#define RHF_PIXIE (1 << 8) -#define RHF_DEFAULT_DELAY_LOAD (1 << 9) -#define RHF_REQUICKSTART (1 << 10) -#define RHF_REQUICKSTARTED (1 << 11) -#define RHF_CORD (1 << 12) -#define RHF_NO_UNRES_UNDEF (1 << 13) -#define RHF_RLD_ORDER_SAFE (1 << 14) - -/* Entries found in sections of type SHT_MIPS_LIBLIST. */ - -typedef struct -{ - Elf32_Word l_name; /* Name (string table index) */ - Elf32_Word l_time_stamp; /* Timestamp */ - Elf32_Word l_checksum; /* Checksum */ - Elf32_Word l_version; /* Interface version */ - Elf32_Word l_flags; /* Flags */ -} Elf32_Lib; - -typedef struct -{ - Elf64_Word l_name; /* Name (string table index) */ - Elf64_Word l_time_stamp; /* Timestamp */ - Elf64_Word l_checksum; /* Checksum */ - Elf64_Word l_version; /* Interface version */ - Elf64_Word l_flags; /* Flags */ -} Elf64_Lib; - - -/* Legal values for l_flags. */ - -#define LL_NONE 0 -#define LL_EXACT_MATCH (1 << 0) /* Require exact match */ -#define LL_IGNORE_INT_VER (1 << 1) /* Ignore interface version */ -#define LL_REQUIRE_MINOR (1 << 2) -#define LL_EXPORTS (1 << 3) -#define LL_DELAY_LOAD (1 << 4) -#define LL_DELTA (1 << 5) - -/* Entries found in sections of type SHT_MIPS_CONFLICT. */ - -typedef Elf32_Addr Elf32_Conflict; - - -/* HPPA specific definitions. */ - -/* Legal values for e_flags field of Elf32_Ehdr. */ - -#define EF_PARISC_TRAPNIL 0x00010000 /* Trap nil pointer dereference. */ -#define EF_PARISC_EXT 0x00020000 /* Program uses arch. extensions. */ -#define EF_PARISC_LSB 0x00040000 /* Program expects little endian. */ -#define EF_PARISC_WIDE 0x00080000 /* Program expects wide mode. */ -#define EF_PARISC_NO_KABP 0x00100000 /* No kernel assisted branch - prediction. */ -#define EF_PARISC_LAZYSWAP 0x00400000 /* Allow lazy swapping. */ -#define EF_PARISC_ARCH 0x0000ffff /* Architecture version. */ - -/* Defined values for `e_flags & EF_PARISC_ARCH' are: */ - -#define EFA_PARISC_1_0 0x020b /* PA-RISC 1.0 big-endian. */ -#define EFA_PARISC_1_1 0x0210 /* PA-RISC 1.1 big-endian. */ -#define EFA_PARISC_2_0 0x0214 /* PA-RISC 2.0 big-endian. */ - -/* Additional section indeces. */ - -#define SHN_PARISC_ANSI_COMMON 0xff00 /* Section for tenatively declared - symbols in ANSI C. */ -#define SHN_PARISC_HUGE_COMMON 0xff01 /* Common blocks in huge model. */ - -/* Legal values for sh_type field of Elf32_Shdr. */ - -#define SHT_PARISC_EXT 0x70000000 /* Contains product specific ext. */ -#define SHT_PARISC_UNWIND 0x70000001 /* Unwind information. */ -#define SHT_PARISC_DOC 0x70000002 /* Debug info for optimized code. */ - -/* Legal values for sh_flags field of Elf32_Shdr. */ - -#define SHF_PARISC_SHORT 0x20000000 /* Section with short addressing. */ -#define SHF_PARISC_HUGE 0x40000000 /* Section far from gp. */ -#define SHF_PARISC_SBP 0x80000000 /* Static branch prediction code. */ - -/* Legal values for ST_TYPE subfield of st_info (symbol type). */ - -#define STT_PARISC_MILLICODE 13 /* Millicode function entry point. */ - -#define STT_HP_OPAQUE (STT_LOOS + 0x1) -#define STT_HP_STUB (STT_LOOS + 0x2) - -/* HPPA relocs. */ - -#define R_PARISC_NONE 0 /* No reloc. */ -#define R_PARISC_DIR32 1 /* Direct 32-bit reference. */ -#define R_PARISC_DIR21L 2 /* Left 21 bits of eff. address. */ -#define R_PARISC_DIR17R 3 /* Right 17 bits of eff. address. */ -#define R_PARISC_DIR17F 4 /* 17 bits of eff. address. */ -#define R_PARISC_DIR14R 6 /* Right 14 bits of eff. address. */ -#define R_PARISC_PCREL32 9 /* 32-bit rel. address. */ -#define R_PARISC_PCREL21L 10 /* Left 21 bits of rel. address. */ -#define R_PARISC_PCREL17R 11 /* Right 17 bits of rel. address. */ -#define R_PARISC_PCREL17F 12 /* 17 bits of rel. address. */ -#define R_PARISC_PCREL14R 14 /* Right 14 bits of rel. address. */ -#define R_PARISC_DPREL21L 18 /* Left 21 bits of rel. address. */ -#define R_PARISC_DPREL14R 22 /* Right 14 bits of rel. address. */ -#define R_PARISC_GPREL21L 26 /* GP-relative, left 21 bits. */ -#define R_PARISC_GPREL14R 30 /* GP-relative, right 14 bits. */ -#define R_PARISC_LTOFF21L 34 /* LT-relative, left 21 bits. */ -#define R_PARISC_LTOFF14R 38 /* LT-relative, right 14 bits. */ -#define R_PARISC_SECREL32 41 /* 32 bits section rel. address. */ -#define R_PARISC_SEGBASE 48 /* No relocation, set segment base. */ -#define R_PARISC_SEGREL32 49 /* 32 bits segment rel. address. */ -#define R_PARISC_PLTOFF21L 50 /* PLT rel. address, left 21 bits. */ -#define R_PARISC_PLTOFF14R 54 /* PLT rel. address, right 14 bits. */ -#define R_PARISC_LTOFF_FPTR32 57 /* 32 bits LT-rel. function pointer. */ -#define R_PARISC_LTOFF_FPTR21L 58 /* LT-rel. fct ptr, left 21 bits. */ -#define R_PARISC_LTOFF_FPTR14R 62 /* LT-rel. fct ptr, right 14 bits. */ -#define R_PARISC_FPTR64 64 /* 64 bits function address. */ -#define R_PARISC_PLABEL32 65 /* 32 bits function address. */ -#define R_PARISC_PLABEL21L 66 /* Left 21 bits of fdesc address. */ -#define R_PARISC_PLABEL14R 70 /* Right 14 bits of fdesc address. */ -#define R_PARISC_PCREL64 72 /* 64 bits PC-rel. address. */ -#define R_PARISC_PCREL22F 74 /* 22 bits PC-rel. address. */ -#define R_PARISC_PCREL14WR 75 /* PC-rel. address, right 14 bits. */ -#define R_PARISC_PCREL14DR 76 /* PC rel. address, right 14 bits. */ -#define R_PARISC_PCREL16F 77 /* 16 bits PC-rel. address. */ -#define R_PARISC_PCREL16WF 78 /* 16 bits PC-rel. address. */ -#define R_PARISC_PCREL16DF 79 /* 16 bits PC-rel. address. */ -#define R_PARISC_DIR64 80 /* 64 bits of eff. address. */ -#define R_PARISC_DIR14WR 83 /* 14 bits of eff. address. */ -#define R_PARISC_DIR14DR 84 /* 14 bits of eff. address. */ -#define R_PARISC_DIR16F 85 /* 16 bits of eff. address. */ -#define R_PARISC_DIR16WF 86 /* 16 bits of eff. address. */ -#define R_PARISC_DIR16DF 87 /* 16 bits of eff. address. */ -#define R_PARISC_GPREL64 88 /* 64 bits of GP-rel. address. */ -#define R_PARISC_GPREL14WR 91 /* GP-rel. address, right 14 bits. */ -#define R_PARISC_GPREL14DR 92 /* GP-rel. address, right 14 bits. */ -#define R_PARISC_GPREL16F 93 /* 16 bits GP-rel. address. */ -#define R_PARISC_GPREL16WF 94 /* 16 bits GP-rel. address. */ -#define R_PARISC_GPREL16DF 95 /* 16 bits GP-rel. address. */ -#define R_PARISC_LTOFF64 96 /* 64 bits LT-rel. address. */ -#define R_PARISC_LTOFF14WR 99 /* LT-rel. address, right 14 bits. */ -#define R_PARISC_LTOFF14DR 100 /* LT-rel. address, right 14 bits. */ -#define R_PARISC_LTOFF16F 101 /* 16 bits LT-rel. address. */ -#define R_PARISC_LTOFF16WF 102 /* 16 bits LT-rel. address. */ -#define R_PARISC_LTOFF16DF 103 /* 16 bits LT-rel. address. */ -#define R_PARISC_SECREL64 104 /* 64 bits section rel. address. */ -#define R_PARISC_SEGREL64 112 /* 64 bits segment rel. address. */ -#define R_PARISC_PLTOFF14WR 115 /* PLT-rel. address, right 14 bits. */ -#define R_PARISC_PLTOFF14DR 116 /* PLT-rel. address, right 14 bits. */ -#define R_PARISC_PLTOFF16F 117 /* 16 bits LT-rel. address. */ -#define R_PARISC_PLTOFF16WF 118 /* 16 bits PLT-rel. address. */ -#define R_PARISC_PLTOFF16DF 119 /* 16 bits PLT-rel. address. */ -#define R_PARISC_LTOFF_FPTR64 120 /* 64 bits LT-rel. function ptr. */ -#define R_PARISC_LTOFF_FPTR14WR 123 /* LT-rel. fct. ptr., right 14 bits. */ -#define R_PARISC_LTOFF_FPTR14DR 124 /* LT-rel. fct. ptr., right 14 bits. */ -#define R_PARISC_LTOFF_FPTR16F 125 /* 16 bits LT-rel. function ptr. */ -#define R_PARISC_LTOFF_FPTR16WF 126 /* 16 bits LT-rel. function ptr. */ -#define R_PARISC_LTOFF_FPTR16DF 127 /* 16 bits LT-rel. function ptr. */ -#define R_PARISC_LORESERVE 128 -#define R_PARISC_COPY 128 /* Copy relocation. */ -#define R_PARISC_IPLT 129 /* Dynamic reloc, imported PLT */ -#define R_PARISC_EPLT 130 /* Dynamic reloc, exported PLT */ -#define R_PARISC_TPREL32 153 /* 32 bits TP-rel. address. */ -#define R_PARISC_TPREL21L 154 /* TP-rel. address, left 21 bits. */ -#define R_PARISC_TPREL14R 158 /* TP-rel. address, right 14 bits. */ -#define R_PARISC_LTOFF_TP21L 162 /* LT-TP-rel. address, left 21 bits. */ -#define R_PARISC_LTOFF_TP14R 166 /* LT-TP-rel. address, right 14 bits.*/ -#define R_PARISC_LTOFF_TP14F 167 /* 14 bits LT-TP-rel. address. */ -#define R_PARISC_TPREL64 216 /* 64 bits TP-rel. address. */ -#define R_PARISC_TPREL14WR 219 /* TP-rel. address, right 14 bits. */ -#define R_PARISC_TPREL14DR 220 /* TP-rel. address, right 14 bits. */ -#define R_PARISC_TPREL16F 221 /* 16 bits TP-rel. address. */ -#define R_PARISC_TPREL16WF 222 /* 16 bits TP-rel. address. */ -#define R_PARISC_TPREL16DF 223 /* 16 bits TP-rel. address. */ -#define R_PARISC_LTOFF_TP64 224 /* 64 bits LT-TP-rel. address. */ -#define R_PARISC_LTOFF_TP14WR 227 /* LT-TP-rel. address, right 14 bits.*/ -#define R_PARISC_LTOFF_TP14DR 228 /* LT-TP-rel. address, right 14 bits.*/ -#define R_PARISC_LTOFF_TP16F 229 /* 16 bits LT-TP-rel. address. */ -#define R_PARISC_LTOFF_TP16WF 230 /* 16 bits LT-TP-rel. address. */ -#define R_PARISC_LTOFF_TP16DF 231 /* 16 bits LT-TP-rel. address. */ -#define R_PARISC_GNU_VTENTRY 232 -#define R_PARISC_GNU_VTINHERIT 233 -#define R_PARISC_TLS_GD21L 234 /* GD 21-bit left. */ -#define R_PARISC_TLS_GD14R 235 /* GD 14-bit right. */ -#define R_PARISC_TLS_GDCALL 236 /* GD call to __t_g_a. */ -#define R_PARISC_TLS_LDM21L 237 /* LD module 21-bit left. */ -#define R_PARISC_TLS_LDM14R 238 /* LD module 14-bit right. */ -#define R_PARISC_TLS_LDMCALL 239 /* LD module call to __t_g_a. */ -#define R_PARISC_TLS_LDO21L 240 /* LD offset 21-bit left. */ -#define R_PARISC_TLS_LDO14R 241 /* LD offset 14-bit right. */ -#define R_PARISC_TLS_DTPMOD32 242 /* DTP module 32-bit. */ -#define R_PARISC_TLS_DTPMOD64 243 /* DTP module 64-bit. */ -#define R_PARISC_TLS_DTPOFF32 244 /* DTP offset 32-bit. */ -#define R_PARISC_TLS_DTPOFF64 245 /* DTP offset 32-bit. */ -#define R_PARISC_TLS_LE21L R_PARISC_TPREL21L -#define R_PARISC_TLS_LE14R R_PARISC_TPREL14R -#define R_PARISC_TLS_IE21L R_PARISC_LTOFF_TP21L -#define R_PARISC_TLS_IE14R R_PARISC_LTOFF_TP14R -#define R_PARISC_TLS_TPREL32 R_PARISC_TPREL32 -#define R_PARISC_TLS_TPREL64 R_PARISC_TPREL64 -#define R_PARISC_HIRESERVE 255 - -/* Legal values for p_type field of Elf32_Phdr/Elf64_Phdr. */ - -#define PT_HP_TLS (PT_LOOS + 0x0) -#define PT_HP_CORE_NONE (PT_LOOS + 0x1) -#define PT_HP_CORE_VERSION (PT_LOOS + 0x2) -#define PT_HP_CORE_KERNEL (PT_LOOS + 0x3) -#define PT_HP_CORE_COMM (PT_LOOS + 0x4) -#define PT_HP_CORE_PROC (PT_LOOS + 0x5) -#define PT_HP_CORE_LOADABLE (PT_LOOS + 0x6) -#define PT_HP_CORE_STACK (PT_LOOS + 0x7) -#define PT_HP_CORE_SHM (PT_LOOS + 0x8) -#define PT_HP_CORE_MMF (PT_LOOS + 0x9) -#define PT_HP_PARALLEL (PT_LOOS + 0x10) -#define PT_HP_FASTBIND (PT_LOOS + 0x11) -#define PT_HP_OPT_ANNOT (PT_LOOS + 0x12) -#define PT_HP_HSL_ANNOT (PT_LOOS + 0x13) -#define PT_HP_STACK (PT_LOOS + 0x14) - -#define PT_PARISC_ARCHEXT 0x70000000 -#define PT_PARISC_UNWIND 0x70000001 - -/* Legal values for p_flags field of Elf32_Phdr/Elf64_Phdr. */ - -#define PF_PARISC_SBP 0x08000000 - -#define PF_HP_PAGE_SIZE 0x00100000 -#define PF_HP_FAR_SHARED 0x00200000 -#define PF_HP_NEAR_SHARED 0x00400000 -#define PF_HP_CODE 0x01000000 -#define PF_HP_MODIFY 0x02000000 -#define PF_HP_LAZYSWAP 0x04000000 -#define PF_HP_SBP 0x08000000 - - -/* Alpha specific definitions. */ - -/* Legal values for e_flags field of Elf64_Ehdr. */ - -#define EF_ALPHA_32BIT 1 /* All addresses must be < 2GB. */ -#define EF_ALPHA_CANRELAX 2 /* Relocations for relaxing exist. */ - -/* Legal values for sh_type field of Elf64_Shdr. */ - -/* These two are primerily concerned with ECOFF debugging info. */ -#define SHT_ALPHA_DEBUG 0x70000001 -#define SHT_ALPHA_REGINFO 0x70000002 - -/* Legal values for sh_flags field of Elf64_Shdr. */ - -#define SHF_ALPHA_GPREL 0x10000000 - -/* Legal values for st_other field of Elf64_Sym. */ -#define STO_ALPHA_NOPV 0x80 /* No PV required. */ -#define STO_ALPHA_STD_GPLOAD 0x88 /* PV only used for initial ldgp. */ - -/* Alpha relocs. */ - -#define R_ALPHA_NONE 0 /* No reloc */ -#define R_ALPHA_REFLONG 1 /* Direct 32 bit */ -#define R_ALPHA_REFQUAD 2 /* Direct 64 bit */ -#define R_ALPHA_GPREL32 3 /* GP relative 32 bit */ -#define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */ -#define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */ -#define R_ALPHA_GPDISP 6 /* Add displacement to GP */ -#define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */ -#define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */ -#define R_ALPHA_SREL16 9 /* PC relative 16 bit */ -#define R_ALPHA_SREL32 10 /* PC relative 32 bit */ -#define R_ALPHA_SREL64 11 /* PC relative 64 bit */ -#define R_ALPHA_GPRELHIGH 17 /* GP relative 32 bit, high 16 bits */ -#define R_ALPHA_GPRELLOW 18 /* GP relative 32 bit, low 16 bits */ -#define R_ALPHA_GPREL16 19 /* GP relative 16 bit */ -#define R_ALPHA_COPY 24 /* Copy symbol at runtime */ -#define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */ -#define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */ -#define R_ALPHA_RELATIVE 27 /* Adjust by program base */ -#define R_ALPHA_TLS_GD_HI 28 -#define R_ALPHA_TLSGD 29 -#define R_ALPHA_TLS_LDM 30 -#define R_ALPHA_DTPMOD64 31 -#define R_ALPHA_GOTDTPREL 32 -#define R_ALPHA_DTPREL64 33 -#define R_ALPHA_DTPRELHI 34 -#define R_ALPHA_DTPRELLO 35 -#define R_ALPHA_DTPREL16 36 -#define R_ALPHA_GOTTPREL 37 -#define R_ALPHA_TPREL64 38 -#define R_ALPHA_TPRELHI 39 -#define R_ALPHA_TPRELLO 40 -#define R_ALPHA_TPREL16 41 -/* Keep this the last entry. */ -#define R_ALPHA_NUM 46 - -/* Magic values of the LITUSE relocation addend. */ -#define LITUSE_ALPHA_ADDR 0 -#define LITUSE_ALPHA_BASE 1 -#define LITUSE_ALPHA_BYTOFF 2 -#define LITUSE_ALPHA_JSR 3 -#define LITUSE_ALPHA_TLS_GD 4 -#define LITUSE_ALPHA_TLS_LDM 5 - -/* Legal values for d_tag of Elf64_Dyn. */ -#define DT_ALPHA_PLTRO (DT_LOPROC + 0) -#define DT_ALPHA_NUM 1 - -/* PowerPC specific declarations */ - -/* Values for Elf32/64_Ehdr.e_flags. */ -#define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag */ - -/* Cygnus local bits below */ -#define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag*/ -#define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib - flag */ - -/* PowerPC relocations defined by the ABIs */ -#define R_PPC_NONE 0 -#define R_PPC_ADDR32 1 /* 32bit absolute address */ -#define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */ -#define R_PPC_ADDR16 3 /* 16bit absolute address */ -#define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */ -#define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */ -#define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */ -#define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */ -#define R_PPC_ADDR14_BRTAKEN 8 -#define R_PPC_ADDR14_BRNTAKEN 9 -#define R_PPC_REL24 10 /* PC relative 26 bit */ -#define R_PPC_REL14 11 /* PC relative 16 bit */ -#define R_PPC_REL14_BRTAKEN 12 -#define R_PPC_REL14_BRNTAKEN 13 -#define R_PPC_GOT16 14 -#define R_PPC_GOT16_LO 15 -#define R_PPC_GOT16_HI 16 -#define R_PPC_GOT16_HA 17 -#define R_PPC_PLTREL24 18 -#define R_PPC_COPY 19 -#define R_PPC_GLOB_DAT 20 -#define R_PPC_JMP_SLOT 21 -#define R_PPC_RELATIVE 22 -#define R_PPC_LOCAL24PC 23 -#define R_PPC_UADDR32 24 -#define R_PPC_UADDR16 25 -#define R_PPC_REL32 26 -#define R_PPC_PLT32 27 -#define R_PPC_PLTREL32 28 -#define R_PPC_PLT16_LO 29 -#define R_PPC_PLT16_HI 30 -#define R_PPC_PLT16_HA 31 -#define R_PPC_SDAREL16 32 -#define R_PPC_SECTOFF 33 -#define R_PPC_SECTOFF_LO 34 -#define R_PPC_SECTOFF_HI 35 -#define R_PPC_SECTOFF_HA 36 - -/* PowerPC relocations defined for the TLS access ABI. */ -#define R_PPC_TLS 67 /* none (sym+add)@tls */ -#define R_PPC_DTPMOD32 68 /* word32 (sym+add)@dtpmod */ -#define R_PPC_TPREL16 69 /* half16* (sym+add)@tprel */ -#define R_PPC_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */ -#define R_PPC_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */ -#define R_PPC_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */ -#define R_PPC_TPREL32 73 /* word32 (sym+add)@tprel */ -#define R_PPC_DTPREL16 74 /* half16* (sym+add)@dtprel */ -#define R_PPC_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */ -#define R_PPC_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */ -#define R_PPC_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */ -#define R_PPC_DTPREL32 78 /* word32 (sym+add)@dtprel */ -#define R_PPC_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */ -#define R_PPC_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */ -#define R_PPC_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */ -#define R_PPC_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */ -#define R_PPC_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */ -#define R_PPC_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */ -#define R_PPC_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */ -#define R_PPC_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */ -#define R_PPC_GOT_TPREL16 87 /* half16* (sym+add)@got@tprel */ -#define R_PPC_GOT_TPREL16_LO 88 /* half16 (sym+add)@got@tprel@l */ -#define R_PPC_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */ -#define R_PPC_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */ -#define R_PPC_GOT_DTPREL16 91 /* half16* (sym+add)@got@dtprel */ -#define R_PPC_GOT_DTPREL16_LO 92 /* half16* (sym+add)@got@dtprel@l */ -#define R_PPC_GOT_DTPREL16_HI 93 /* half16* (sym+add)@got@dtprel@h */ -#define R_PPC_GOT_DTPREL16_HA 94 /* half16* (sym+add)@got@dtprel@ha */ - -/* The remaining relocs are from the Embedded ELF ABI, and are not - in the SVR4 ELF ABI. */ -#define R_PPC_EMB_NADDR32 101 -#define R_PPC_EMB_NADDR16 102 -#define R_PPC_EMB_NADDR16_LO 103 -#define R_PPC_EMB_NADDR16_HI 104 -#define R_PPC_EMB_NADDR16_HA 105 -#define R_PPC_EMB_SDAI16 106 -#define R_PPC_EMB_SDA2I16 107 -#define R_PPC_EMB_SDA2REL 108 -#define R_PPC_EMB_SDA21 109 /* 16 bit offset in SDA */ -#define R_PPC_EMB_MRKREF 110 -#define R_PPC_EMB_RELSEC16 111 -#define R_PPC_EMB_RELST_LO 112 -#define R_PPC_EMB_RELST_HI 113 -#define R_PPC_EMB_RELST_HA 114 -#define R_PPC_EMB_BIT_FLD 115 -#define R_PPC_EMB_RELSDA 116 /* 16 bit relative offset in SDA */ - -/* Diab tool relocations. */ -#define R_PPC_DIAB_SDA21_LO 180 /* like EMB_SDA21, but lower 16 bit */ -#define R_PPC_DIAB_SDA21_HI 181 /* like EMB_SDA21, but high 16 bit */ -#define R_PPC_DIAB_SDA21_HA 182 /* like EMB_SDA21, adjusted high 16 */ -#define R_PPC_DIAB_RELSDA_LO 183 /* like EMB_RELSDA, but lower 16 bit */ -#define R_PPC_DIAB_RELSDA_HI 184 /* like EMB_RELSDA, but high 16 bit */ -#define R_PPC_DIAB_RELSDA_HA 185 /* like EMB_RELSDA, adjusted high 16 */ - -/* GNU extension to support local ifunc. */ -#define R_PPC_IRELATIVE 248 - -/* GNU relocs used in PIC code sequences. */ -#define R_PPC_REL16 249 /* half16 (sym+add-.) */ -#define R_PPC_REL16_LO 250 /* half16 (sym+add-.)@l */ -#define R_PPC_REL16_HI 251 /* half16 (sym+add-.)@h */ -#define R_PPC_REL16_HA 252 /* half16 (sym+add-.)@ha */ - -/* This is a phony reloc to handle any old fashioned TOC16 references - that may still be in object files. */ -#define R_PPC_TOC16 255 - -/* PowerPC specific values for the Dyn d_tag field. */ -#define DT_PPC_GOT (DT_LOPROC + 0) -#define DT_PPC_NUM 1 - -/* PowerPC64 relocations defined by the ABIs */ -#define R_PPC64_NONE R_PPC_NONE -#define R_PPC64_ADDR32 R_PPC_ADDR32 /* 32bit absolute address */ -#define R_PPC64_ADDR24 R_PPC_ADDR24 /* 26bit address, word aligned */ -#define R_PPC64_ADDR16 R_PPC_ADDR16 /* 16bit absolute address */ -#define R_PPC64_ADDR16_LO R_PPC_ADDR16_LO /* lower 16bits of address */ -#define R_PPC64_ADDR16_HI R_PPC_ADDR16_HI /* high 16bits of address. */ -#define R_PPC64_ADDR16_HA R_PPC_ADDR16_HA /* adjusted high 16bits. */ -#define R_PPC64_ADDR14 R_PPC_ADDR14 /* 16bit address, word aligned */ -#define R_PPC64_ADDR14_BRTAKEN R_PPC_ADDR14_BRTAKEN -#define R_PPC64_ADDR14_BRNTAKEN R_PPC_ADDR14_BRNTAKEN -#define R_PPC64_REL24 R_PPC_REL24 /* PC-rel. 26 bit, word aligned */ -#define R_PPC64_REL14 R_PPC_REL14 /* PC relative 16 bit */ -#define R_PPC64_REL14_BRTAKEN R_PPC_REL14_BRTAKEN -#define R_PPC64_REL14_BRNTAKEN R_PPC_REL14_BRNTAKEN -#define R_PPC64_GOT16 R_PPC_GOT16 -#define R_PPC64_GOT16_LO R_PPC_GOT16_LO -#define R_PPC64_GOT16_HI R_PPC_GOT16_HI -#define R_PPC64_GOT16_HA R_PPC_GOT16_HA - -#define R_PPC64_COPY R_PPC_COPY -#define R_PPC64_GLOB_DAT R_PPC_GLOB_DAT -#define R_PPC64_JMP_SLOT R_PPC_JMP_SLOT -#define R_PPC64_RELATIVE R_PPC_RELATIVE - -#define R_PPC64_UADDR32 R_PPC_UADDR32 -#define R_PPC64_UADDR16 R_PPC_UADDR16 -#define R_PPC64_REL32 R_PPC_REL32 -#define R_PPC64_PLT32 R_PPC_PLT32 -#define R_PPC64_PLTREL32 R_PPC_PLTREL32 -#define R_PPC64_PLT16_LO R_PPC_PLT16_LO -#define R_PPC64_PLT16_HI R_PPC_PLT16_HI -#define R_PPC64_PLT16_HA R_PPC_PLT16_HA - -#define R_PPC64_SECTOFF R_PPC_SECTOFF -#define R_PPC64_SECTOFF_LO R_PPC_SECTOFF_LO -#define R_PPC64_SECTOFF_HI R_PPC_SECTOFF_HI -#define R_PPC64_SECTOFF_HA R_PPC_SECTOFF_HA -#define R_PPC64_ADDR30 37 /* word30 (S + A - P) >> 2 */ -#define R_PPC64_ADDR64 38 /* doubleword64 S + A */ -#define R_PPC64_ADDR16_HIGHER 39 /* half16 #higher(S + A) */ -#define R_PPC64_ADDR16_HIGHERA 40 /* half16 #highera(S + A) */ -#define R_PPC64_ADDR16_HIGHEST 41 /* half16 #highest(S + A) */ -#define R_PPC64_ADDR16_HIGHESTA 42 /* half16 #highesta(S + A) */ -#define R_PPC64_UADDR64 43 /* doubleword64 S + A */ -#define R_PPC64_REL64 44 /* doubleword64 S + A - P */ -#define R_PPC64_PLT64 45 /* doubleword64 L + A */ -#define R_PPC64_PLTREL64 46 /* doubleword64 L + A - P */ -#define R_PPC64_TOC16 47 /* half16* S + A - .TOC */ -#define R_PPC64_TOC16_LO 48 /* half16 #lo(S + A - .TOC.) */ -#define R_PPC64_TOC16_HI 49 /* half16 #hi(S + A - .TOC.) */ -#define R_PPC64_TOC16_HA 50 /* half16 #ha(S + A - .TOC.) */ -#define R_PPC64_TOC 51 /* doubleword64 .TOC */ -#define R_PPC64_PLTGOT16 52 /* half16* M + A */ -#define R_PPC64_PLTGOT16_LO 53 /* half16 #lo(M + A) */ -#define R_PPC64_PLTGOT16_HI 54 /* half16 #hi(M + A) */ -#define R_PPC64_PLTGOT16_HA 55 /* half16 #ha(M + A) */ - -#define R_PPC64_ADDR16_DS 56 /* half16ds* (S + A) >> 2 */ -#define R_PPC64_ADDR16_LO_DS 57 /* half16ds #lo(S + A) >> 2 */ -#define R_PPC64_GOT16_DS 58 /* half16ds* (G + A) >> 2 */ -#define R_PPC64_GOT16_LO_DS 59 /* half16ds #lo(G + A) >> 2 */ -#define R_PPC64_PLT16_LO_DS 60 /* half16ds #lo(L + A) >> 2 */ -#define R_PPC64_SECTOFF_DS 61 /* half16ds* (R + A) >> 2 */ -#define R_PPC64_SECTOFF_LO_DS 62 /* half16ds #lo(R + A) >> 2 */ -#define R_PPC64_TOC16_DS 63 /* half16ds* (S + A - .TOC.) >> 2 */ -#define R_PPC64_TOC16_LO_DS 64 /* half16ds #lo(S + A - .TOC.) >> 2 */ -#define R_PPC64_PLTGOT16_DS 65 /* half16ds* (M + A) >> 2 */ -#define R_PPC64_PLTGOT16_LO_DS 66 /* half16ds #lo(M + A) >> 2 */ - -/* PowerPC64 relocations defined for the TLS access ABI. */ -#define R_PPC64_TLS 67 /* none (sym+add)@tls */ -#define R_PPC64_DTPMOD64 68 /* doubleword64 (sym+add)@dtpmod */ -#define R_PPC64_TPREL16 69 /* half16* (sym+add)@tprel */ -#define R_PPC64_TPREL16_LO 70 /* half16 (sym+add)@tprel@l */ -#define R_PPC64_TPREL16_HI 71 /* half16 (sym+add)@tprel@h */ -#define R_PPC64_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha */ -#define R_PPC64_TPREL64 73 /* doubleword64 (sym+add)@tprel */ -#define R_PPC64_DTPREL16 74 /* half16* (sym+add)@dtprel */ -#define R_PPC64_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l */ -#define R_PPC64_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h */ -#define R_PPC64_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha */ -#define R_PPC64_DTPREL64 78 /* doubleword64 (sym+add)@dtprel */ -#define R_PPC64_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd */ -#define R_PPC64_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l */ -#define R_PPC64_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h */ -#define R_PPC64_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha */ -#define R_PPC64_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld */ -#define R_PPC64_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l */ -#define R_PPC64_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h */ -#define R_PPC64_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha */ -#define R_PPC64_GOT_TPREL16_DS 87 /* half16ds* (sym+add)@got@tprel */ -#define R_PPC64_GOT_TPREL16_LO_DS 88 /* half16ds (sym+add)@got@tprel@l */ -#define R_PPC64_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h */ -#define R_PPC64_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha */ -#define R_PPC64_GOT_DTPREL16_DS 91 /* half16ds* (sym+add)@got@dtprel */ -#define R_PPC64_GOT_DTPREL16_LO_DS 92 /* half16ds (sym+add)@got@dtprel@l */ -#define R_PPC64_GOT_DTPREL16_HI 93 /* half16 (sym+add)@got@dtprel@h */ -#define R_PPC64_GOT_DTPREL16_HA 94 /* half16 (sym+add)@got@dtprel@ha */ -#define R_PPC64_TPREL16_DS 95 /* half16ds* (sym+add)@tprel */ -#define R_PPC64_TPREL16_LO_DS 96 /* half16ds (sym+add)@tprel@l */ -#define R_PPC64_TPREL16_HIGHER 97 /* half16 (sym+add)@tprel@higher */ -#define R_PPC64_TPREL16_HIGHERA 98 /* half16 (sym+add)@tprel@highera */ -#define R_PPC64_TPREL16_HIGHEST 99 /* half16 (sym+add)@tprel@highest */ -#define R_PPC64_TPREL16_HIGHESTA 100 /* half16 (sym+add)@tprel@highesta */ -#define R_PPC64_DTPREL16_DS 101 /* half16ds* (sym+add)@dtprel */ -#define R_PPC64_DTPREL16_LO_DS 102 /* half16ds (sym+add)@dtprel@l */ -#define R_PPC64_DTPREL16_HIGHER 103 /* half16 (sym+add)@dtprel@higher */ -#define R_PPC64_DTPREL16_HIGHERA 104 /* half16 (sym+add)@dtprel@highera */ -#define R_PPC64_DTPREL16_HIGHEST 105 /* half16 (sym+add)@dtprel@highest */ -#define R_PPC64_DTPREL16_HIGHESTA 106 /* half16 (sym+add)@dtprel@highesta */ - -/* GNU extension to support local ifunc. */ -#define R_PPC64_JMP_IREL 247 -#define R_PPC64_IRELATIVE 248 -#define R_PPC64_REL16 249 /* half16 (sym+add-.) */ -#define R_PPC64_REL16_LO 250 /* half16 (sym+add-.)@l */ -#define R_PPC64_REL16_HI 251 /* half16 (sym+add-.)@h */ -#define R_PPC64_REL16_HA 252 /* half16 (sym+add-.)@ha */ - -/* PowerPC64 specific values for the Dyn d_tag field. */ -#define DT_PPC64_GLINK (DT_LOPROC + 0) -#define DT_PPC64_OPD (DT_LOPROC + 1) -#define DT_PPC64_OPDSZ (DT_LOPROC + 2) -#define DT_PPC64_NUM 3 - - -/* ARM specific declarations */ - -/* Processor specific flags for the ELF header e_flags field. */ -#define EF_ARM_RELEXEC 0x01 -#define EF_ARM_HASENTRY 0x02 -#define EF_ARM_INTERWORK 0x04 -#define EF_ARM_APCS_26 0x08 -#define EF_ARM_APCS_FLOAT 0x10 -#define EF_ARM_PIC 0x20 -#define EF_ARM_ALIGN8 0x40 /* 8-bit structure alignment is in use */ -#define EF_ARM_NEW_ABI 0x80 -#define EF_ARM_OLD_ABI 0x100 -#define EF_ARM_SOFT_FLOAT 0x200 -#define EF_ARM_VFP_FLOAT 0x400 -#define EF_ARM_MAVERICK_FLOAT 0x800 - -#define EF_ARM_ABI_FLOAT_SOFT 0x200 /* NB conflicts with EF_ARM_SOFT_FLOAT */ -#define EF_ARM_ABI_FLOAT_HARD 0x400 /* NB conflicts with EF_ARM_VFP_FLOAT */ - - -/* Other constants defined in the ARM ELF spec. version B-01. */ -/* NB. These conflict with values defined above. */ -#define EF_ARM_SYMSARESORTED 0x04 -#define EF_ARM_DYNSYMSUSESEGIDX 0x08 -#define EF_ARM_MAPSYMSFIRST 0x10 -#define EF_ARM_EABIMASK 0XFF000000 - -/* Constants defined in AAELF. */ -#define EF_ARM_BE8 0x00800000 -#define EF_ARM_LE8 0x00400000 - -#define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK) -#define EF_ARM_EABI_UNKNOWN 0x00000000 -#define EF_ARM_EABI_VER1 0x01000000 -#define EF_ARM_EABI_VER2 0x02000000 -#define EF_ARM_EABI_VER3 0x03000000 -#define EF_ARM_EABI_VER4 0x04000000 -#define EF_ARM_EABI_VER5 0x05000000 - -/* Additional symbol types for Thumb. */ -#define STT_ARM_TFUNC STT_LOPROC /* A Thumb function. */ -#define STT_ARM_16BIT STT_HIPROC /* A Thumb label. */ - -/* ARM-specific values for sh_flags */ -#define SHF_ARM_ENTRYSECT 0x10000000 /* Section contains an entry point */ -#define SHF_ARM_COMDEF 0x80000000 /* Section may be multiply defined - in the input to a link step. */ - -/* ARM-specific program header flags */ -#define PF_ARM_SB 0x10000000 /* Segment contains the location - addressed by the static base. */ -#define PF_ARM_PI 0x20000000 /* Position-independent segment. */ -#define PF_ARM_ABS 0x40000000 /* Absolute segment. */ - -/* Processor specific values for the Phdr p_type field. */ -#define PT_ARM_EXIDX (PT_LOPROC + 1) /* ARM unwind segment. */ - -/* Processor specific values for the Shdr sh_type field. */ -#define SHT_ARM_EXIDX (SHT_LOPROC + 1) /* ARM unwind section. */ -#define SHT_ARM_PREEMPTMAP (SHT_LOPROC + 2) /* Preemption details. */ -#define SHT_ARM_ATTRIBUTES (SHT_LOPROC + 3) /* ARM attributes section. */ - - -/* AArch64 relocs. */ - -#define R_AARCH64_NONE 0 /* No relocation. */ -#define R_AARCH64_ABS64 257 /* Direct 64 bit. */ -#define R_AARCH64_ABS32 258 /* Direct 32 bit. */ -#define R_AARCH64_ABS16 259 /* Direct 16-bit. */ -#define R_AARCH64_PREL64 260 /* PC-relative 64-bit. */ -#define R_AARCH64_PREL32 261 /* PC-relative 32-bit. */ -#define R_AARCH64_PREL16 262 /* PC-relative 16-bit. */ -#define R_AARCH64_MOVW_UABS_G0 263 /* Dir. MOVZ imm. from bits 15:0. */ -#define R_AARCH64_MOVW_UABS_G0_NC 264 /* Likewise for MOVK; no check. */ -#define R_AARCH64_MOVW_UABS_G1 265 /* Dir. MOVZ imm. from bits 31:16. */ -#define R_AARCH64_MOVW_UABS_G1_NC 266 /* Likewise for MOVK; no check. */ -#define R_AARCH64_MOVW_UABS_G2 267 /* Dir. MOVZ imm. from bits 47:32. */ -#define R_AARCH64_MOVW_UABS_G2_NC 268 /* Likewise for MOVK; no check. */ -#define R_AARCH64_MOVW_UABS_G3 269 /* Dir. MOV{K,Z} imm. from 63:48. */ -#define R_AARCH64_MOVW_SABS_G0 270 /* Dir. MOV{N,Z} imm. from 15:0. */ -#define R_AARCH64_MOVW_SABS_G1 271 /* Dir. MOV{N,Z} imm. from 31:16. */ -#define R_AARCH64_MOVW_SABS_G2 272 /* Dir. MOV{N,Z} imm. from 47:32. */ -#define R_AARCH64_LD_PREL_LO19 273 /* PC-rel. LD imm. from bits 20:2. */ -#define R_AARCH64_ADR_PREL_LO21 274 /* PC-rel. ADR imm. from bits 20:0. */ -#define R_AARCH64_ADR_PREL_PG_HI21 275 /* Page-rel. ADRP imm. from 32:12. */ -#define R_AARCH64_ADR_PREL_PG_HI21_NC 276 /* Likewise; no overflow check. */ -#define R_AARCH64_ADD_ABS_LO12_NC 277 /* Dir. ADD imm. from bits 11:0. */ -#define R_AARCH64_LDST8_ABS_LO12_NC 278 /* Likewise for LD/ST; no check. */ -#define R_AARCH64_TSTBR14 279 /* PC-rel. TBZ/TBNZ imm. from 15:2. */ -#define R_AARCH64_CONDBR19 280 /* PC-rel. cond. br. imm. from 20:2. */ -#define R_AARCH64_JUMP26 282 /* PC-rel. B imm. from bits 27:2. */ -#define R_AARCH64_CALL26 283 /* Likewise for CALL. */ -#define R_AARCH64_LDST16_ABS_LO12_NC 284 /* Dir. ADD imm. from bits 11:1. */ -#define R_AARCH64_LDST32_ABS_LO12_NC 285 /* Likewise for bits 11:2. */ -#define R_AARCH64_LDST64_ABS_LO12_NC 286 /* Likewise for bits 11:3. */ -#define R_AARCH64_MOVW_PREL_G0 287 /* PC-rel. MOV{N,Z} imm. from 15:0. */ -#define R_AARCH64_MOVW_PREL_G0_NC 288 /* Likewise for MOVK; no check. */ -#define R_AARCH64_MOVW_PREL_G1 289 /* PC-rel. MOV{N,Z} imm. from 31:16. */ -#define R_AARCH64_MOVW_PREL_G1_NC 290 /* Likewise for MOVK; no check. */ -#define R_AARCH64_MOVW_PREL_G2 291 /* PC-rel. MOV{N,Z} imm. from 47:32. */ -#define R_AARCH64_MOVW_PREL_G2_NC 292 /* Likewise for MOVK; no check. */ -#define R_AARCH64_MOVW_PREL_G3 293 /* PC-rel. MOV{N,Z} imm. from 63:48. */ -#define R_AARCH64_LDST128_ABS_LO12_NC 299 /* Dir. ADD imm. from bits 11:4. */ -#define R_AARCH64_MOVW_GOTOFF_G0 300 /* GOT-rel. off. MOV{N,Z} imm. 15:0. */ -#define R_AARCH64_MOVW_GOTOFF_G0_NC 301 /* Likewise for MOVK; no check. */ -#define R_AARCH64_MOVW_GOTOFF_G1 302 /* GOT-rel. o. MOV{N,Z} imm. 31:16. */ -#define R_AARCH64_MOVW_GOTOFF_G1_NC 303 /* Likewise for MOVK; no check. */ -#define R_AARCH64_MOVW_GOTOFF_G2 304 /* GOT-rel. o. MOV{N,Z} imm. 47:32. */ -#define R_AARCH64_MOVW_GOTOFF_G2_NC 305 /* Likewise for MOVK; no check. */ -#define R_AARCH64_MOVW_GOTOFF_G3 306 /* GOT-rel. o. MOV{N,Z} imm. 63:48. */ -#define R_AARCH64_GOTREL64 307 /* GOT-relative 64-bit. */ -#define R_AARCH64_GOTREL32 308 /* GOT-relative 32-bit. */ -#define R_AARCH64_GOT_LD_PREL19 309 /* PC-rel. GOT off. load imm. 20:2. */ -#define R_AARCH64_LD64_GOTOFF_LO15 310 /* GOT-rel. off. LD/ST imm. 14:3. */ -#define R_AARCH64_ADR_GOT_PAGE 311 /* P-page-rel. GOT off. ADRP 32:12. */ -#define R_AARCH64_LD64_GOT_LO12_NC 312 /* Dir. GOT off. LD/ST imm. 11:3. */ -#define R_AARCH64_LD64_GOTPAGE_LO15 313 /* GOT-page-rel. GOT off. LD/ST 14:3 */ -#define R_AARCH64_TLSGD_ADR_PREL21 512 /* PC-relative ADR imm. 20:0. */ -#define R_AARCH64_TLSGD_ADR_PAGE21 513 /* page-rel. ADRP imm. 32:12. */ -#define R_AARCH64_TLSGD_ADD_LO12_NC 514 /* direct ADD imm. from 11:0. */ -#define R_AARCH64_TLSGD_MOVW_G1 515 /* GOT-rel. MOV{N,Z} 31:16. */ -#define R_AARCH64_TLSGD_MOVW_G0_NC 516 /* GOT-rel. MOVK imm. 15:0. */ -#define R_AARCH64_TLSLD_ADR_PREL21 517 /* Like 512; local dynamic model. */ -#define R_AARCH64_TLSLD_ADR_PAGE21 518 /* Like 513; local dynamic model. */ -#define R_AARCH64_TLSLD_ADD_LO12_NC 519 /* Like 514; local dynamic model. */ -#define R_AARCH64_TLSLD_MOVW_G1 520 /* Like 515; local dynamic model. */ -#define R_AARCH64_TLSLD_MOVW_G0_NC 521 /* Like 516; local dynamic model. */ -#define R_AARCH64_TLSLD_LD_PREL19 522 /* TLS PC-rel. load imm. 20:2. */ -#define R_AARCH64_TLSLD_MOVW_DTPREL_G2 523 /* TLS DTP-rel. MOV{N,Z} 47:32. */ -#define R_AARCH64_TLSLD_MOVW_DTPREL_G1 524 /* TLS DTP-rel. MOV{N,Z} 31:16. */ -#define R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC 525 /* Likewise; MOVK; no check. */ -#define R_AARCH64_TLSLD_MOVW_DTPREL_G0 526 /* TLS DTP-rel. MOV{N,Z} 15:0. */ -#define R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC 527 /* Likewise; MOVK; no check. */ -#define R_AARCH64_TLSLD_ADD_DTPREL_HI12 528 /* DTP-rel. ADD imm. from 23:12. */ -#define R_AARCH64_TLSLD_ADD_DTPREL_LO12 529 /* DTP-rel. ADD imm. from 11:0. */ -#define R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC 530 /* Likewise; no ovfl. check. */ -#define R_AARCH64_TLSLD_LDST8_DTPREL_LO12 531 /* DTP-rel. LD/ST imm. 11:0. */ -#define R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC 532 /* Likewise; no check. */ -#define R_AARCH64_TLSLD_LDST16_DTPREL_LO12 533 /* DTP-rel. LD/ST imm. 11:1. */ -#define R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC 534 /* Likewise; no check. */ -#define R_AARCH64_TLSLD_LDST32_DTPREL_LO12 535 /* DTP-rel. LD/ST imm. 11:2. */ -#define R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC 536 /* Likewise; no check. */ -#define R_AARCH64_TLSLD_LDST64_DTPREL_LO12 537 /* DTP-rel. LD/ST imm. 11:3. */ -#define R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC 538 /* Likewise; no check. */ -#define R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 539 /* GOT-rel. MOV{N,Z} 31:16. */ -#define R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC 540 /* GOT-rel. MOVK 15:0. */ -#define R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 541 /* Page-rel. ADRP 32:12. */ -#define R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC 542 /* Direct LD off. 11:3. */ -#define R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 543 /* PC-rel. load imm. 20:2. */ -#define R_AARCH64_TLSLE_MOVW_TPREL_G2 544 /* TLS TP-rel. MOV{N,Z} 47:32. */ -#define R_AARCH64_TLSLE_MOVW_TPREL_G1 545 /* TLS TP-rel. MOV{N,Z} 31:16. */ -#define R_AARCH64_TLSLE_MOVW_TPREL_G1_NC 546 /* Likewise; MOVK; no check. */ -#define R_AARCH64_TLSLE_MOVW_TPREL_G0 547 /* TLS TP-rel. MOV{N,Z} 15:0. */ -#define R_AARCH64_TLSLE_MOVW_TPREL_G0_NC 548 /* Likewise; MOVK; no check. */ -#define R_AARCH64_TLSLE_ADD_TPREL_HI12 549 /* TP-rel. ADD imm. 23:12. */ -#define R_AARCH64_TLSLE_ADD_TPREL_LO12 550 /* TP-rel. ADD imm. 11:0. */ -#define R_AARCH64_TLSLE_ADD_TPREL_LO12_NC 551 /* Likewise; no ovfl. check. */ -#define R_AARCH64_TLSLE_LDST8_TPREL_LO12 552 /* TP-rel. LD/ST off. 11:0. */ -#define R_AARCH64_TLSLE_LDST8_TPREL_LO12_NC 553 /* Likewise; no ovfl. check. */ -#define R_AARCH64_TLSLE_LDST16_TPREL_LO12 554 /* TP-rel. LD/ST off. 11:1. */ -#define R_AARCH64_TLSLE_LDST16_TPREL_LO12_NC 555 /* Likewise; no check. */ -#define R_AARCH64_TLSLE_LDST32_TPREL_LO12 556 /* TP-rel. LD/ST off. 11:2. */ -#define R_AARCH64_TLSLE_LDST32_TPREL_LO12_NC 557 /* Likewise; no check. */ -#define R_AARCH64_TLSLE_LDST64_TPREL_LO12 558 /* TP-rel. LD/ST off. 11:3. */ -#define R_AARCH64_TLSLE_LDST64_TPREL_LO12_NC 559 /* Likewise; no check. */ -#define R_AARCH64_TLSDESC_LD_PREL19 560 /* PC-rel. load immediate 20:2. */ -#define R_AARCH64_TLSDESC_ADR_PREL21 561 /* PC-rel. ADR immediate 20:0. */ -#define R_AARCH64_TLSDESC_ADR_PAGE21 562 /* Page-rel. ADRP imm. 32:12. */ -#define R_AARCH64_TLSDESC_LD64_LO12 563 /* Direct LD off. from 11:3. */ -#define R_AARCH64_TLSDESC_ADD_LO12 564 /* Direct ADD imm. from 11:0. */ -#define R_AARCH64_TLSDESC_OFF_G1 565 /* GOT-rel. MOV{N,Z} imm. 31:16. */ -#define R_AARCH64_TLSDESC_OFF_G0_NC 566 /* GOT-rel. MOVK imm. 15:0; no ck. */ -#define R_AARCH64_TLSDESC_LDR 567 /* Relax LDR. */ -#define R_AARCH64_TLSDESC_ADD 568 /* Relax ADD. */ -#define R_AARCH64_TLSDESC_CALL 569 /* Relax BLR. */ -#define R_AARCH64_TLSLE_LDST128_TPREL_LO12 570 /* TP-rel. LD/ST off. 11:4. */ -#define R_AARCH64_TLSLE_LDST128_TPREL_LO12_NC 571 /* Likewise; no check. */ -#define R_AARCH64_TLSLD_LDST128_DTPREL_LO12 572 /* DTP-rel. LD/ST imm. 11:4. */ -#define R_AARCH64_TLSLD_LDST128_DTPREL_LO12_NC 573 /* Likewise; no check. */ -#define R_AARCH64_COPY 1024 /* Copy symbol at runtime. */ -#define R_AARCH64_GLOB_DAT 1025 /* Create GOT entry. */ -#define R_AARCH64_JUMP_SLOT 1026 /* Create PLT entry. */ -#define R_AARCH64_RELATIVE 1027 /* Adjust by program base. */ -#define R_AARCH64_TLS_DTPMOD64 1028 /* Module number, 64 bit. */ -#define R_AARCH64_TLS_DTPREL64 1029 /* Module-relative offset, 64 bit. */ -#define R_AARCH64_TLS_TPREL64 1030 /* TP-relative offset, 64 bit. */ -#define R_AARCH64_TLSDESC 1031 /* TLS Descriptor. */ -#define R_AARCH64_IRELATIVE 1032 /* STT_GNU_IFUNC relocation. */ - -/* ARM relocs. */ - -#define R_ARM_NONE 0 /* No reloc */ -#define R_ARM_PC24 1 /* PC relative 26 bit branch */ -#define R_ARM_ABS32 2 /* Direct 32 bit */ -#define R_ARM_REL32 3 /* PC relative 32 bit */ -#define R_ARM_PC13 4 -#define R_ARM_ABS16 5 /* Direct 16 bit */ -#define R_ARM_ABS12 6 /* Direct 12 bit */ -#define R_ARM_THM_ABS5 7 -#define R_ARM_ABS8 8 /* Direct 8 bit */ -#define R_ARM_SBREL32 9 -#define R_ARM_THM_PC22 10 -#define R_ARM_THM_PC8 11 -#define R_ARM_AMP_VCALL9 12 -#define R_ARM_SWI24 13 /* Obsolete static relocation. */ -#define R_ARM_TLS_DESC 13 /* Dynamic relocation. */ -#define R_ARM_THM_SWI8 14 -#define R_ARM_XPC25 15 -#define R_ARM_THM_XPC22 16 -#define R_ARM_TLS_DTPMOD32 17 /* ID of module containing symbol */ -#define R_ARM_TLS_DTPOFF32 18 /* Offset in TLS block */ -#define R_ARM_TLS_TPOFF32 19 /* Offset in static TLS block */ -#define R_ARM_COPY 20 /* Copy symbol at runtime */ -#define R_ARM_GLOB_DAT 21 /* Create GOT entry */ -#define R_ARM_JUMP_SLOT 22 /* Create PLT entry */ -#define R_ARM_RELATIVE 23 /* Adjust by program base */ -#define R_ARM_GOTOFF 24 /* 32 bit offset to GOT */ -#define R_ARM_GOTPC 25 /* 32 bit PC relative offset to GOT */ -#define R_ARM_GOT32 26 /* 32 bit GOT entry */ -#define R_ARM_PLT32 27 /* 32 bit PLT address */ -#define R_ARM_CALL 28 -#define R_ARM_JUMP24 29 -#define R_ARM_THM_JUMP24 30 -#define R_ARM_ALU_PCREL_7_0 32 -#define R_ARM_ALU_PCREL_15_8 33 -#define R_ARM_ALU_PCREL_23_15 34 -#define R_ARM_LDR_SBREL_11_0 35 -#define R_ARM_ALU_SBREL_19_12 36 -#define R_ARM_ALU_SBREL_27_20 37 -#define R_ARM_V4BX 40 -#define R_ARM_PREL31 42 -#define R_ARM_MOVW_ABS_NC 43 -#define R_ARM_MOVT_ABS 44 -#define R_ARM_THM_MOVW_ABS_NC 47 -#define R_ARM_THM_MOVT_ABS 48 -#define R_ARM_TLS_GOTDESC 90 -#define R_ARM_TLS_CALL 91 -#define R_ARM_TLS_DESCSEQ 92 -#define R_ARM_THM_TLS_CALL 93 -#define R_ARM_GNU_VTENTRY 100 -#define R_ARM_GNU_VTINHERIT 101 -#define R_ARM_THM_PC11 102 /* thumb unconditional branch */ -#define R_ARM_THM_PC9 103 /* thumb conditional branch */ -#define R_ARM_TLS_GD32 104 /* PC-rel 32 bit for global dynamic - thread local data */ -#define R_ARM_TLS_LDM32 105 /* PC-rel 32 bit for local dynamic - thread local data */ -#define R_ARM_TLS_LDO32 106 /* 32 bit offset relative to TLS - block */ -#define R_ARM_TLS_IE32 107 /* PC-rel 32 bit for GOT entry of - static TLS block offset */ -#define R_ARM_TLS_LE32 108 /* 32 bit offset relative to static - TLS block */ -#define R_ARM_THM_TLS_DESCSEQ 129 -#define R_ARM_IRELATIVE 160 -#define R_ARM_RXPC25 249 -#define R_ARM_RSBREL32 250 -#define R_ARM_THM_RPC22 251 -#define R_ARM_RREL32 252 -#define R_ARM_RABS22 253 -#define R_ARM_RPC24 254 -#define R_ARM_RBASE 255 -/* Keep this the last entry. */ -#define R_ARM_NUM 256 - -/* TMS320C67xx specific declarations */ - -/* XXX: no ELF standard yet*/ - -/* TMS320C67xx relocs. */ -#define R_C60_32 1 -#define R_C60_GOT32 3 /* 32 bit GOT entry */ -#define R_C60_PLT32 4 /* 32 bit PLT address */ -#define R_C60_COPY 5 /* Copy symbol at runtime */ -#define R_C60_GLOB_DAT 6 /* Create GOT entry */ -#define R_C60_JMP_SLOT 7 /* Create PLT entry */ -#define R_C60_RELATIVE 8 /* Adjust by program base */ -#define R_C60_GOTOFF 9 /* 32 bit offset to GOT */ -#define R_C60_GOTPC 10 /* 32 bit PC relative offset to GOT */ - -#define R_C60HI16 0x55 /* high 16 bit MVKH embedded */ -#define R_C60LO16 0x54 /* low 16 bit MVKL embedded */ - -/* IA-64 specific declarations. */ - -/* Processor specific flags for the Ehdr e_flags field. */ -#define EF_IA_64_MASKOS 0x0000000f /* os-specific flags */ -#define EF_IA_64_ABI64 0x00000010 /* 64-bit ABI */ -#define EF_IA_64_ARCH 0xff000000 /* arch. version mask */ - -/* Processor specific values for the Phdr p_type field. */ -#define PT_IA_64_ARCHEXT (PT_LOPROC + 0) /* arch extension bits */ -#define PT_IA_64_UNWIND (PT_LOPROC + 1) /* ia64 unwind bits */ -#define PT_IA_64_HP_OPT_ANOT (PT_LOOS + 0x12) -#define PT_IA_64_HP_HSL_ANOT (PT_LOOS + 0x13) -#define PT_IA_64_HP_STACK (PT_LOOS + 0x14) - -/* Processor specific flags for the Phdr p_flags field. */ -#define PF_IA_64_NORECOV 0x80000000 /* spec insns w/o recovery */ - -/* Processor specific values for the Shdr sh_type field. */ -#define SHT_IA_64_EXT (SHT_LOPROC + 0) /* extension bits */ -#define SHT_IA_64_UNWIND (SHT_LOPROC + 1) /* unwind bits */ - -/* Processor specific flags for the Shdr sh_flags field. */ -#define SHF_IA_64_SHORT 0x10000000 /* section near gp */ -#define SHF_IA_64_NORECOV 0x20000000 /* spec insns w/o recovery */ - -/* Processor specific values for the Dyn d_tag field. */ -#define DT_IA_64_PLT_RESERVE (DT_LOPROC + 0) -#define DT_IA_64_NUM 1 - -/* IA-64 relocations. */ -#define R_IA64_NONE 0x00 /* none */ -#define R_IA64_IMM14 0x21 /* symbol + addend, add imm14 */ -#define R_IA64_IMM22 0x22 /* symbol + addend, add imm22 */ -#define R_IA64_IMM64 0x23 /* symbol + addend, mov imm64 */ -#define R_IA64_DIR32MSB 0x24 /* symbol + addend, data4 MSB */ -#define R_IA64_DIR32LSB 0x25 /* symbol + addend, data4 LSB */ -#define R_IA64_DIR64MSB 0x26 /* symbol + addend, data8 MSB */ -#define R_IA64_DIR64LSB 0x27 /* symbol + addend, data8 LSB */ -#define R_IA64_GPREL22 0x2a /* @gprel(sym + add), add imm22 */ -#define R_IA64_GPREL64I 0x2b /* @gprel(sym + add), mov imm64 */ -#define R_IA64_GPREL32MSB 0x2c /* @gprel(sym + add), data4 MSB */ -#define R_IA64_GPREL32LSB 0x2d /* @gprel(sym + add), data4 LSB */ -#define R_IA64_GPREL64MSB 0x2e /* @gprel(sym + add), data8 MSB */ -#define R_IA64_GPREL64LSB 0x2f /* @gprel(sym + add), data8 LSB */ -#define R_IA64_LTOFF22 0x32 /* @ltoff(sym + add), add imm22 */ -#define R_IA64_LTOFF64I 0x33 /* @ltoff(sym + add), mov imm64 */ -#define R_IA64_PLTOFF22 0x3a /* @pltoff(sym + add), add imm22 */ -#define R_IA64_PLTOFF64I 0x3b /* @pltoff(sym + add), mov imm64 */ -#define R_IA64_PLTOFF64MSB 0x3e /* @pltoff(sym + add), data8 MSB */ -#define R_IA64_PLTOFF64LSB 0x3f /* @pltoff(sym + add), data8 LSB */ -#define R_IA64_FPTR64I 0x43 /* @fptr(sym + add), mov imm64 */ -#define R_IA64_FPTR32MSB 0x44 /* @fptr(sym + add), data4 MSB */ -#define R_IA64_FPTR32LSB 0x45 /* @fptr(sym + add), data4 LSB */ -#define R_IA64_FPTR64MSB 0x46 /* @fptr(sym + add), data8 MSB */ -#define R_IA64_FPTR64LSB 0x47 /* @fptr(sym + add), data8 LSB */ -#define R_IA64_PCREL60B 0x48 /* @pcrel(sym + add), brl */ -#define R_IA64_PCREL21B 0x49 /* @pcrel(sym + add), ptb, call */ -#define R_IA64_PCREL21M 0x4a /* @pcrel(sym + add), chk.s */ -#define R_IA64_PCREL21F 0x4b /* @pcrel(sym + add), fchkf */ -#define R_IA64_PCREL32MSB 0x4c /* @pcrel(sym + add), data4 MSB */ -#define R_IA64_PCREL32LSB 0x4d /* @pcrel(sym + add), data4 LSB */ -#define R_IA64_PCREL64MSB 0x4e /* @pcrel(sym + add), data8 MSB */ -#define R_IA64_PCREL64LSB 0x4f /* @pcrel(sym + add), data8 LSB */ -#define R_IA64_LTOFF_FPTR22 0x52 /* @ltoff(@fptr(s+a)), imm22 */ -#define R_IA64_LTOFF_FPTR64I 0x53 /* @ltoff(@fptr(s+a)), imm64 */ -#define R_IA64_LTOFF_FPTR32MSB 0x54 /* @ltoff(@fptr(s+a)), data4 MSB */ -#define R_IA64_LTOFF_FPTR32LSB 0x55 /* @ltoff(@fptr(s+a)), data4 LSB */ -#define R_IA64_LTOFF_FPTR64MSB 0x56 /* @ltoff(@fptr(s+a)), data8 MSB */ -#define R_IA64_LTOFF_FPTR64LSB 0x57 /* @ltoff(@fptr(s+a)), data8 LSB */ -#define R_IA64_SEGREL32MSB 0x5c /* @segrel(sym + add), data4 MSB */ -#define R_IA64_SEGREL32LSB 0x5d /* @segrel(sym + add), data4 LSB */ -#define R_IA64_SEGREL64MSB 0x5e /* @segrel(sym + add), data8 MSB */ -#define R_IA64_SEGREL64LSB 0x5f /* @segrel(sym + add), data8 LSB */ -#define R_IA64_SECREL32MSB 0x64 /* @secrel(sym + add), data4 MSB */ -#define R_IA64_SECREL32LSB 0x65 /* @secrel(sym + add), data4 LSB */ -#define R_IA64_SECREL64MSB 0x66 /* @secrel(sym + add), data8 MSB */ -#define R_IA64_SECREL64LSB 0x67 /* @secrel(sym + add), data8 LSB */ -#define R_IA64_REL32MSB 0x6c /* data 4 + REL */ -#define R_IA64_REL32LSB 0x6d /* data 4 + REL */ -#define R_IA64_REL64MSB 0x6e /* data 8 + REL */ -#define R_IA64_REL64LSB 0x6f /* data 8 + REL */ -#define R_IA64_LTV32MSB 0x74 /* symbol + addend, data4 MSB */ -#define R_IA64_LTV32LSB 0x75 /* symbol + addend, data4 LSB */ -#define R_IA64_LTV64MSB 0x76 /* symbol + addend, data8 MSB */ -#define R_IA64_LTV64LSB 0x77 /* symbol + addend, data8 LSB */ -#define R_IA64_PCREL21BI 0x79 /* @pcrel(sym + add), 21bit inst */ -#define R_IA64_PCREL22 0x7a /* @pcrel(sym + add), 22bit inst */ -#define R_IA64_PCREL64I 0x7b /* @pcrel(sym + add), 64bit inst */ -#define R_IA64_IPLTMSB 0x80 /* dynamic reloc, imported PLT, MSB */ -#define R_IA64_IPLTLSB 0x81 /* dynamic reloc, imported PLT, LSB */ -#define R_IA64_COPY 0x84 /* copy relocation */ -#define R_IA64_SUB 0x85 /* Addend and symbol difference */ -#define R_IA64_LTOFF22X 0x86 /* LTOFF22, relaxable. */ -#define R_IA64_LDXMOV 0x87 /* Use of LTOFF22X. */ -#define R_IA64_TPREL14 0x91 /* @tprel(sym + add), imm14 */ -#define R_IA64_TPREL22 0x92 /* @tprel(sym + add), imm22 */ -#define R_IA64_TPREL64I 0x93 /* @tprel(sym + add), imm64 */ -#define R_IA64_TPREL64MSB 0x96 /* @tprel(sym + add), data8 MSB */ -#define R_IA64_TPREL64LSB 0x97 /* @tprel(sym + add), data8 LSB */ -#define R_IA64_LTOFF_TPREL22 0x9a /* @ltoff(@tprel(s+a)), imm2 */ -#define R_IA64_DTPMOD64MSB 0xa6 /* @dtpmod(sym + add), data8 MSB */ -#define R_IA64_DTPMOD64LSB 0xa7 /* @dtpmod(sym + add), data8 LSB */ -#define R_IA64_LTOFF_DTPMOD22 0xaa /* @ltoff(@dtpmod(sym + add)), imm22 */ -#define R_IA64_DTPREL14 0xb1 /* @dtprel(sym + add), imm14 */ -#define R_IA64_DTPREL22 0xb2 /* @dtprel(sym + add), imm22 */ -#define R_IA64_DTPREL64I 0xb3 /* @dtprel(sym + add), imm64 */ -#define R_IA64_DTPREL32MSB 0xb4 /* @dtprel(sym + add), data4 MSB */ -#define R_IA64_DTPREL32LSB 0xb5 /* @dtprel(sym + add), data4 LSB */ -#define R_IA64_DTPREL64MSB 0xb6 /* @dtprel(sym + add), data8 MSB */ -#define R_IA64_DTPREL64LSB 0xb7 /* @dtprel(sym + add), data8 LSB */ -#define R_IA64_LTOFF_DTPREL22 0xba /* @ltoff(@dtprel(s+a)), imm22 */ - -/* SH specific declarations */ - -/* Processor specific flags for the ELF header e_flags field. */ -#define EF_SH_MACH_MASK 0x1f -#define EF_SH_UNKNOWN 0x0 -#define EF_SH1 0x1 -#define EF_SH2 0x2 -#define EF_SH3 0x3 -#define EF_SH_DSP 0x4 -#define EF_SH3_DSP 0x5 -#define EF_SH4AL_DSP 0x6 -#define EF_SH3E 0x8 -#define EF_SH4 0x9 -#define EF_SH2E 0xb -#define EF_SH4A 0xc -#define EF_SH2A 0xd -#define EF_SH4_NOFPU 0x10 -#define EF_SH4A_NOFPU 0x11 -#define EF_SH4_NOMMU_NOFPU 0x12 -#define EF_SH2A_NOFPU 0x13 -#define EF_SH3_NOMMU 0x14 -#define EF_SH2A_SH4_NOFPU 0x15 -#define EF_SH2A_SH3_NOFPU 0x16 -#define EF_SH2A_SH4 0x17 -#define EF_SH2A_SH3E 0x18 - -/* SH relocs. */ -#define R_SH_NONE 0 -#define R_SH_DIR32 1 -#define R_SH_REL32 2 -#define R_SH_DIR8WPN 3 -#define R_SH_IND12W 4 -#define R_SH_DIR8WPL 5 -#define R_SH_DIR8WPZ 6 -#define R_SH_DIR8BP 7 -#define R_SH_DIR8W 8 -#define R_SH_DIR8L 9 -#define R_SH_SWITCH16 25 -#define R_SH_SWITCH32 26 -#define R_SH_USES 27 -#define R_SH_COUNT 28 -#define R_SH_ALIGN 29 -#define R_SH_CODE 30 -#define R_SH_DATA 31 -#define R_SH_LABEL 32 -#define R_SH_SWITCH8 33 -#define R_SH_GNU_VTINHERIT 34 -#define R_SH_GNU_VTENTRY 35 -#define R_SH_TLS_GD_32 144 -#define R_SH_TLS_LD_32 145 -#define R_SH_TLS_LDO_32 146 -#define R_SH_TLS_IE_32 147 -#define R_SH_TLS_LE_32 148 -#define R_SH_TLS_DTPMOD32 149 -#define R_SH_TLS_DTPOFF32 150 -#define R_SH_TLS_TPOFF32 151 -#define R_SH_GOT32 160 -#define R_SH_PLT32 161 -#define R_SH_COPY 162 -#define R_SH_GLOB_DAT 163 -#define R_SH_JMP_SLOT 164 -#define R_SH_RELATIVE 165 -#define R_SH_GOTOFF 166 -#define R_SH_GOTPC 167 -/* Keep this the last entry. */ -#define R_SH_NUM 256 - -/* S/390 specific definitions. */ - -/* Valid values for the e_flags field. */ - -#define EF_S390_HIGH_GPRS 0x00000001 /* High GPRs kernel facility needed. */ - -/* Additional s390 relocs */ - -#define R_390_NONE 0 /* No reloc. */ -#define R_390_8 1 /* Direct 8 bit. */ -#define R_390_12 2 /* Direct 12 bit. */ -#define R_390_16 3 /* Direct 16 bit. */ -#define R_390_32 4 /* Direct 32 bit. */ -#define R_390_PC32 5 /* PC relative 32 bit. */ -#define R_390_GOT12 6 /* 12 bit GOT offset. */ -#define R_390_GOT32 7 /* 32 bit GOT offset. */ -#define R_390_PLT32 8 /* 32 bit PC relative PLT address. */ -#define R_390_COPY 9 /* Copy symbol at runtime. */ -#define R_390_GLOB_DAT 10 /* Create GOT entry. */ -#define R_390_JMP_SLOT 11 /* Create PLT entry. */ -#define R_390_RELATIVE 12 /* Adjust by program base. */ -#define R_390_GOTOFF32 13 /* 32 bit offset to GOT. */ -#define R_390_GOTPC 14 /* 32 bit PC relative offset to GOT. */ -#define R_390_GOT16 15 /* 16 bit GOT offset. */ -#define R_390_PC16 16 /* PC relative 16 bit. */ -#define R_390_PC16DBL 17 /* PC relative 16 bit shifted by 1. */ -#define R_390_PLT16DBL 18 /* 16 bit PC rel. PLT shifted by 1. */ -#define R_390_PC32DBL 19 /* PC relative 32 bit shifted by 1. */ -#define R_390_PLT32DBL 20 /* 32 bit PC rel. PLT shifted by 1. */ -#define R_390_GOTPCDBL 21 /* 32 bit PC rel. GOT shifted by 1. */ -#define R_390_64 22 /* Direct 64 bit. */ -#define R_390_PC64 23 /* PC relative 64 bit. */ -#define R_390_GOT64 24 /* 64 bit GOT offset. */ -#define R_390_PLT64 25 /* 64 bit PC relative PLT address. */ -#define R_390_GOTENT 26 /* 32 bit PC rel. to GOT entry >> 1. */ -#define R_390_GOTOFF16 27 /* 16 bit offset to GOT. */ -#define R_390_GOTOFF64 28 /* 64 bit offset to GOT. */ -#define R_390_GOTPLT12 29 /* 12 bit offset to jump slot. */ -#define R_390_GOTPLT16 30 /* 16 bit offset to jump slot. */ -#define R_390_GOTPLT32 31 /* 32 bit offset to jump slot. */ -#define R_390_GOTPLT64 32 /* 64 bit offset to jump slot. */ -#define R_390_GOTPLTENT 33 /* 32 bit rel. offset to jump slot. */ -#define R_390_PLTOFF16 34 /* 16 bit offset from GOT to PLT. */ -#define R_390_PLTOFF32 35 /* 32 bit offset from GOT to PLT. */ -#define R_390_PLTOFF64 36 /* 16 bit offset from GOT to PLT. */ -#define R_390_TLS_LOAD 37 /* Tag for load insn in TLS code. */ -#define R_390_TLS_GDCALL 38 /* Tag for function call in general - dynamic TLS code. */ -#define R_390_TLS_LDCALL 39 /* Tag for function call in local - dynamic TLS code. */ -#define R_390_TLS_GD32 40 /* Direct 32 bit for general dynamic - thread local data. */ -#define R_390_TLS_GD64 41 /* Direct 64 bit for general dynamic - thread local data. */ -#define R_390_TLS_GOTIE12 42 /* 12 bit GOT offset for static TLS - block offset. */ -#define R_390_TLS_GOTIE32 43 /* 32 bit GOT offset for static TLS - block offset. */ -#define R_390_TLS_GOTIE64 44 /* 64 bit GOT offset for static TLS - block offset. */ -#define R_390_TLS_LDM32 45 /* Direct 32 bit for local dynamic - thread local data in LE code. */ -#define R_390_TLS_LDM64 46 /* Direct 64 bit for local dynamic - thread local data in LE code. */ -#define R_390_TLS_IE32 47 /* 32 bit address of GOT entry for - negated static TLS block offset. */ -#define R_390_TLS_IE64 48 /* 64 bit address of GOT entry for - negated static TLS block offset. */ -#define R_390_TLS_IEENT 49 /* 32 bit rel. offset to GOT entry for - negated static TLS block offset. */ -#define R_390_TLS_LE32 50 /* 32 bit negated offset relative to - static TLS block. */ -#define R_390_TLS_LE64 51 /* 64 bit negated offset relative to - static TLS block. */ -#define R_390_TLS_LDO32 52 /* 32 bit offset relative to TLS - block. */ -#define R_390_TLS_LDO64 53 /* 64 bit offset relative to TLS - block. */ -#define R_390_TLS_DTPMOD 54 /* ID of module containing symbol. */ -#define R_390_TLS_DTPOFF 55 /* Offset in TLS block. */ -#define R_390_TLS_TPOFF 56 /* Negated offset in static TLS - block. */ -#define R_390_20 57 /* Direct 20 bit. */ -#define R_390_GOT20 58 /* 20 bit GOT offset. */ -#define R_390_GOTPLT20 59 /* 20 bit offset to jump slot. */ -#define R_390_TLS_GOTIE20 60 /* 20 bit GOT offset for static TLS - block offset. */ -#define R_390_IRELATIVE 61 /* STT_GNU_IFUNC relocation. */ -/* Keep this the last entry. */ -#define R_390_NUM 62 - - -/* CRIS relocations. */ -#define R_CRIS_NONE 0 -#define R_CRIS_8 1 -#define R_CRIS_16 2 -#define R_CRIS_32 3 -#define R_CRIS_8_PCREL 4 -#define R_CRIS_16_PCREL 5 -#define R_CRIS_32_PCREL 6 -#define R_CRIS_GNU_VTINHERIT 7 -#define R_CRIS_GNU_VTENTRY 8 -#define R_CRIS_COPY 9 -#define R_CRIS_GLOB_DAT 10 -#define R_CRIS_JUMP_SLOT 11 -#define R_CRIS_RELATIVE 12 -#define R_CRIS_16_GOT 13 -#define R_CRIS_32_GOT 14 -#define R_CRIS_16_GOTPLT 15 -#define R_CRIS_32_GOTPLT 16 -#define R_CRIS_32_GOTREL 17 -#define R_CRIS_32_PLT_GOTREL 18 -#define R_CRIS_32_PLT_PCREL 19 - -#define R_CRIS_NUM 20 - - -/* AMD x86-64 relocations. */ -#define R_X86_64_NONE 0 /* No reloc */ -#define R_X86_64_64 1 /* Direct 64 bit */ -#define R_X86_64_PC32 2 /* PC relative 32 bit signed */ -#define R_X86_64_GOT32 3 /* 32 bit GOT entry */ -#define R_X86_64_PLT32 4 /* 32 bit PLT address */ -#define R_X86_64_COPY 5 /* Copy symbol at runtime */ -#define R_X86_64_GLOB_DAT 6 /* Create GOT entry */ -#define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */ -#define R_X86_64_RELATIVE 8 /* Adjust by program base */ -#define R_X86_64_GOTPCREL 9 /* 32 bit signed PC relative - offset to GOT */ -#define R_X86_64_32 10 /* Direct 32 bit zero extended */ -#define R_X86_64_32S 11 /* Direct 32 bit sign extended */ -#define R_X86_64_16 12 /* Direct 16 bit zero extended */ -#define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */ -#define R_X86_64_8 14 /* Direct 8 bit sign extended */ -#define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */ -#define R_X86_64_DTPMOD64 16 /* ID of module containing symbol */ -#define R_X86_64_DTPOFF64 17 /* Offset in module's TLS block */ -#define R_X86_64_TPOFF64 18 /* Offset in initial TLS block */ -#define R_X86_64_TLSGD 19 /* 32 bit signed PC relative offset - to two GOT entries for GD symbol */ -#define R_X86_64_TLSLD 20 /* 32 bit signed PC relative offset - to two GOT entries for LD symbol */ -#define R_X86_64_DTPOFF32 21 /* Offset in TLS block */ -#define R_X86_64_GOTTPOFF 22 /* 32 bit signed PC relative offset - to GOT entry for IE symbol */ -#define R_X86_64_TPOFF32 23 /* Offset in initial TLS block */ -#define R_X86_64_PC64 24 /* PC relative 64 bit */ -#define R_X86_64_GOTOFF64 25 /* 64 bit offset to GOT */ -#define R_X86_64_GOTPC32 26 /* 32 bit signed pc relative - offset to GOT */ -#define R_X86_64_GOT64 27 /* 64-bit GOT entry offset */ -#define R_X86_64_GOTPCREL64 28 /* 64-bit PC relative offset - to GOT entry */ -#define R_X86_64_GOTPC64 29 /* 64-bit PC relative offset to GOT */ -#define R_X86_64_GOTPLT64 30 /* like GOT64, says PLT entry needed */ -#define R_X86_64_PLTOFF64 31 /* 64-bit GOT relative offset - to PLT entry */ -#define R_X86_64_SIZE32 32 /* Size of symbol plus 32-bit addend */ -#define R_X86_64_SIZE64 33 /* Size of symbol plus 64-bit addend */ -#define R_X86_64_GOTPC32_TLSDESC 34 /* GOT offset for TLS descriptor. */ -#define R_X86_64_TLSDESC_CALL 35 /* Marker for call through TLS - descriptor. */ -#define R_X86_64_TLSDESC 36 /* TLS descriptor. */ -#define R_X86_64_IRELATIVE 37 /* Adjust indirectly by program base */ -#define R_X86_64_RELATIVE64 38 /* 64-bit adjust by program base */ - -#define R_X86_64_NUM 39 - - -/* AM33 relocations. */ -#define R_MN10300_NONE 0 /* No reloc. */ -#define R_MN10300_32 1 /* Direct 32 bit. */ -#define R_MN10300_16 2 /* Direct 16 bit. */ -#define R_MN10300_8 3 /* Direct 8 bit. */ -#define R_MN10300_PCREL32 4 /* PC-relative 32-bit. */ -#define R_MN10300_PCREL16 5 /* PC-relative 16-bit signed. */ -#define R_MN10300_PCREL8 6 /* PC-relative 8-bit signed. */ -#define R_MN10300_GNU_VTINHERIT 7 /* Ancient C++ vtable garbage... */ -#define R_MN10300_GNU_VTENTRY 8 /* ... collection annotation. */ -#define R_MN10300_24 9 /* Direct 24 bit. */ -#define R_MN10300_GOTPC32 10 /* 32-bit PCrel offset to GOT. */ -#define R_MN10300_GOTPC16 11 /* 16-bit PCrel offset to GOT. */ -#define R_MN10300_GOTOFF32 12 /* 32-bit offset from GOT. */ -#define R_MN10300_GOTOFF24 13 /* 24-bit offset from GOT. */ -#define R_MN10300_GOTOFF16 14 /* 16-bit offset from GOT. */ -#define R_MN10300_PLT32 15 /* 32-bit PCrel to PLT entry. */ -#define R_MN10300_PLT16 16 /* 16-bit PCrel to PLT entry. */ -#define R_MN10300_GOT32 17 /* 32-bit offset to GOT entry. */ -#define R_MN10300_GOT24 18 /* 24-bit offset to GOT entry. */ -#define R_MN10300_GOT16 19 /* 16-bit offset to GOT entry. */ -#define R_MN10300_COPY 20 /* Copy symbol at runtime. */ -#define R_MN10300_GLOB_DAT 21 /* Create GOT entry. */ -#define R_MN10300_JMP_SLOT 22 /* Create PLT entry. */ -#define R_MN10300_RELATIVE 23 /* Adjust by program base. */ -#define R_MN10300_TLS_GD 24 /* 32-bit offset for global dynamic. */ -#define R_MN10300_TLS_LD 25 /* 32-bit offset for local dynamic. */ -#define R_MN10300_TLS_LDO 26 /* Module-relative offset. */ -#define R_MN10300_TLS_GOTIE 27 /* GOT offset for static TLS block - offset. */ -#define R_MN10300_TLS_IE 28 /* GOT address for static TLS block - offset. */ -#define R_MN10300_TLS_LE 29 /* Offset relative to static TLS - block. */ -#define R_MN10300_TLS_DTPMOD 30 /* ID of module containing symbol. */ -#define R_MN10300_TLS_DTPOFF 31 /* Offset in module TLS block. */ -#define R_MN10300_TLS_TPOFF 32 /* Offset in static TLS block. */ -#define R_MN10300_SYM_DIFF 33 /* Adjustment for next reloc as needed - by linker relaxation. */ -#define R_MN10300_ALIGN 34 /* Alignment requirement for linker - relaxation. */ -#define R_MN10300_NUM 35 - - -/* M32R relocs. */ -#define R_M32R_NONE 0 /* No reloc. */ -#define R_M32R_16 1 /* Direct 16 bit. */ -#define R_M32R_32 2 /* Direct 32 bit. */ -#define R_M32R_24 3 /* Direct 24 bit. */ -#define R_M32R_10_PCREL 4 /* PC relative 10 bit shifted. */ -#define R_M32R_18_PCREL 5 /* PC relative 18 bit shifted. */ -#define R_M32R_26_PCREL 6 /* PC relative 26 bit shifted. */ -#define R_M32R_HI16_ULO 7 /* High 16 bit with unsigned low. */ -#define R_M32R_HI16_SLO 8 /* High 16 bit with signed low. */ -#define R_M32R_LO16 9 /* Low 16 bit. */ -#define R_M32R_SDA16 10 /* 16 bit offset in SDA. */ -#define R_M32R_GNU_VTINHERIT 11 -#define R_M32R_GNU_VTENTRY 12 -/* M32R relocs use SHT_RELA. */ -#define R_M32R_16_RELA 33 /* Direct 16 bit. */ -#define R_M32R_32_RELA 34 /* Direct 32 bit. */ -#define R_M32R_24_RELA 35 /* Direct 24 bit. */ -#define R_M32R_10_PCREL_RELA 36 /* PC relative 10 bit shifted. */ -#define R_M32R_18_PCREL_RELA 37 /* PC relative 18 bit shifted. */ -#define R_M32R_26_PCREL_RELA 38 /* PC relative 26 bit shifted. */ -#define R_M32R_HI16_ULO_RELA 39 /* High 16 bit with unsigned low */ -#define R_M32R_HI16_SLO_RELA 40 /* High 16 bit with signed low */ -#define R_M32R_LO16_RELA 41 /* Low 16 bit */ -#define R_M32R_SDA16_RELA 42 /* 16 bit offset in SDA */ -#define R_M32R_RELA_GNU_VTINHERIT 43 -#define R_M32R_RELA_GNU_VTENTRY 44 -#define R_M32R_REL32 45 /* PC relative 32 bit. */ - -#define R_M32R_GOT24 48 /* 24 bit GOT entry */ -#define R_M32R_26_PLTREL 49 /* 26 bit PC relative to PLT shifted */ -#define R_M32R_COPY 50 /* Copy symbol at runtime */ -#define R_M32R_GLOB_DAT 51 /* Create GOT entry */ -#define R_M32R_JMP_SLOT 52 /* Create PLT entry */ -#define R_M32R_RELATIVE 53 /* Adjust by program base */ -#define R_M32R_GOTOFF 54 /* 24 bit offset to GOT */ -#define R_M32R_GOTPC24 55 /* 24 bit PC relative offset to GOT */ -#define R_M32R_GOT16_HI_ULO 56 /* High 16 bit GOT entry with unsigned - low */ -#define R_M32R_GOT16_HI_SLO 57 /* High 16 bit GOT entry with signed - low */ -#define R_M32R_GOT16_LO 58 /* Low 16 bit GOT entry */ -#define R_M32R_GOTPC_HI_ULO 59 /* High 16 bit PC relative offset to - GOT with unsigned low */ -#define R_M32R_GOTPC_HI_SLO 60 /* High 16 bit PC relative offset to - GOT with signed low */ -#define R_M32R_GOTPC_LO 61 /* Low 16 bit PC relative offset to - GOT */ -#define R_M32R_GOTOFF_HI_ULO 62 /* High 16 bit offset to GOT - with unsigned low */ -#define R_M32R_GOTOFF_HI_SLO 63 /* High 16 bit offset to GOT - with signed low */ -#define R_M32R_GOTOFF_LO 64 /* Low 16 bit offset to GOT */ -#define R_M32R_NUM 256 /* Keep this the last entry. */ - - -/* TILEPro relocations. */ -#define R_TILEPRO_NONE 0 /* No reloc */ -#define R_TILEPRO_32 1 /* Direct 32 bit */ -#define R_TILEPRO_16 2 /* Direct 16 bit */ -#define R_TILEPRO_8 3 /* Direct 8 bit */ -#define R_TILEPRO_32_PCREL 4 /* PC relative 32 bit */ -#define R_TILEPRO_16_PCREL 5 /* PC relative 16 bit */ -#define R_TILEPRO_8_PCREL 6 /* PC relative 8 bit */ -#define R_TILEPRO_LO16 7 /* Low 16 bit */ -#define R_TILEPRO_HI16 8 /* High 16 bit */ -#define R_TILEPRO_HA16 9 /* High 16 bit, adjusted */ -#define R_TILEPRO_COPY 10 /* Copy relocation */ -#define R_TILEPRO_GLOB_DAT 11 /* Create GOT entry */ -#define R_TILEPRO_JMP_SLOT 12 /* Create PLT entry */ -#define R_TILEPRO_RELATIVE 13 /* Adjust by program base */ -#define R_TILEPRO_BROFF_X1 14 /* X1 pipe branch offset */ -#define R_TILEPRO_JOFFLONG_X1 15 /* X1 pipe jump offset */ -#define R_TILEPRO_JOFFLONG_X1_PLT 16 /* X1 pipe jump offset to PLT */ -#define R_TILEPRO_IMM8_X0 17 /* X0 pipe 8-bit */ -#define R_TILEPRO_IMM8_Y0 18 /* Y0 pipe 8-bit */ -#define R_TILEPRO_IMM8_X1 19 /* X1 pipe 8-bit */ -#define R_TILEPRO_IMM8_Y1 20 /* Y1 pipe 8-bit */ -#define R_TILEPRO_MT_IMM15_X1 21 /* X1 pipe mtspr */ -#define R_TILEPRO_MF_IMM15_X1 22 /* X1 pipe mfspr */ -#define R_TILEPRO_IMM16_X0 23 /* X0 pipe 16-bit */ -#define R_TILEPRO_IMM16_X1 24 /* X1 pipe 16-bit */ -#define R_TILEPRO_IMM16_X0_LO 25 /* X0 pipe low 16-bit */ -#define R_TILEPRO_IMM16_X1_LO 26 /* X1 pipe low 16-bit */ -#define R_TILEPRO_IMM16_X0_HI 27 /* X0 pipe high 16-bit */ -#define R_TILEPRO_IMM16_X1_HI 28 /* X1 pipe high 16-bit */ -#define R_TILEPRO_IMM16_X0_HA 29 /* X0 pipe high 16-bit, adjusted */ -#define R_TILEPRO_IMM16_X1_HA 30 /* X1 pipe high 16-bit, adjusted */ -#define R_TILEPRO_IMM16_X0_PCREL 31 /* X0 pipe PC relative 16 bit */ -#define R_TILEPRO_IMM16_X1_PCREL 32 /* X1 pipe PC relative 16 bit */ -#define R_TILEPRO_IMM16_X0_LO_PCREL 33 /* X0 pipe PC relative low 16 bit */ -#define R_TILEPRO_IMM16_X1_LO_PCREL 34 /* X1 pipe PC relative low 16 bit */ -#define R_TILEPRO_IMM16_X0_HI_PCREL 35 /* X0 pipe PC relative high 16 bit */ -#define R_TILEPRO_IMM16_X1_HI_PCREL 36 /* X1 pipe PC relative high 16 bit */ -#define R_TILEPRO_IMM16_X0_HA_PCREL 37 /* X0 pipe PC relative ha() 16 bit */ -#define R_TILEPRO_IMM16_X1_HA_PCREL 38 /* X1 pipe PC relative ha() 16 bit */ -#define R_TILEPRO_IMM16_X0_GOT 39 /* X0 pipe 16-bit GOT offset */ -#define R_TILEPRO_IMM16_X1_GOT 40 /* X1 pipe 16-bit GOT offset */ -#define R_TILEPRO_IMM16_X0_GOT_LO 41 /* X0 pipe low 16-bit GOT offset */ -#define R_TILEPRO_IMM16_X1_GOT_LO 42 /* X1 pipe low 16-bit GOT offset */ -#define R_TILEPRO_IMM16_X0_GOT_HI 43 /* X0 pipe high 16-bit GOT offset */ -#define R_TILEPRO_IMM16_X1_GOT_HI 44 /* X1 pipe high 16-bit GOT offset */ -#define R_TILEPRO_IMM16_X0_GOT_HA 45 /* X0 pipe ha() 16-bit GOT offset */ -#define R_TILEPRO_IMM16_X1_GOT_HA 46 /* X1 pipe ha() 16-bit GOT offset */ -#define R_TILEPRO_MMSTART_X0 47 /* X0 pipe mm "start" */ -#define R_TILEPRO_MMEND_X0 48 /* X0 pipe mm "end" */ -#define R_TILEPRO_MMSTART_X1 49 /* X1 pipe mm "start" */ -#define R_TILEPRO_MMEND_X1 50 /* X1 pipe mm "end" */ -#define R_TILEPRO_SHAMT_X0 51 /* X0 pipe shift amount */ -#define R_TILEPRO_SHAMT_X1 52 /* X1 pipe shift amount */ -#define R_TILEPRO_SHAMT_Y0 53 /* Y0 pipe shift amount */ -#define R_TILEPRO_SHAMT_Y1 54 /* Y1 pipe shift amount */ -#define R_TILEPRO_DEST_IMM8_X1 55 /* X1 pipe destination 8-bit */ -/* Relocs 56-59 are currently not defined. */ -#define R_TILEPRO_TLS_GD_CALL 60 /* "jal" for TLS GD */ -#define R_TILEPRO_IMM8_X0_TLS_GD_ADD 61 /* X0 pipe "addi" for TLS GD */ -#define R_TILEPRO_IMM8_X1_TLS_GD_ADD 62 /* X1 pipe "addi" for TLS GD */ -#define R_TILEPRO_IMM8_Y0_TLS_GD_ADD 63 /* Y0 pipe "addi" for TLS GD */ -#define R_TILEPRO_IMM8_Y1_TLS_GD_ADD 64 /* Y1 pipe "addi" for TLS GD */ -#define R_TILEPRO_TLS_IE_LOAD 65 /* "lw_tls" for TLS IE */ -#define R_TILEPRO_IMM16_X0_TLS_GD 66 /* X0 pipe 16-bit TLS GD offset */ -#define R_TILEPRO_IMM16_X1_TLS_GD 67 /* X1 pipe 16-bit TLS GD offset */ -#define R_TILEPRO_IMM16_X0_TLS_GD_LO 68 /* X0 pipe low 16-bit TLS GD offset */ -#define R_TILEPRO_IMM16_X1_TLS_GD_LO 69 /* X1 pipe low 16-bit TLS GD offset */ -#define R_TILEPRO_IMM16_X0_TLS_GD_HI 70 /* X0 pipe high 16-bit TLS GD offset */ -#define R_TILEPRO_IMM16_X1_TLS_GD_HI 71 /* X1 pipe high 16-bit TLS GD offset */ -#define R_TILEPRO_IMM16_X0_TLS_GD_HA 72 /* X0 pipe ha() 16-bit TLS GD offset */ -#define R_TILEPRO_IMM16_X1_TLS_GD_HA 73 /* X1 pipe ha() 16-bit TLS GD offset */ -#define R_TILEPRO_IMM16_X0_TLS_IE 74 /* X0 pipe 16-bit TLS IE offset */ -#define R_TILEPRO_IMM16_X1_TLS_IE 75 /* X1 pipe 16-bit TLS IE offset */ -#define R_TILEPRO_IMM16_X0_TLS_IE_LO 76 /* X0 pipe low 16-bit TLS IE offset */ -#define R_TILEPRO_IMM16_X1_TLS_IE_LO 77 /* X1 pipe low 16-bit TLS IE offset */ -#define R_TILEPRO_IMM16_X0_TLS_IE_HI 78 /* X0 pipe high 16-bit TLS IE offset */ -#define R_TILEPRO_IMM16_X1_TLS_IE_HI 79 /* X1 pipe high 16-bit TLS IE offset */ -#define R_TILEPRO_IMM16_X0_TLS_IE_HA 80 /* X0 pipe ha() 16-bit TLS IE offset */ -#define R_TILEPRO_IMM16_X1_TLS_IE_HA 81 /* X1 pipe ha() 16-bit TLS IE offset */ -#define R_TILEPRO_TLS_DTPMOD32 82 /* ID of module containing symbol */ -#define R_TILEPRO_TLS_DTPOFF32 83 /* Offset in TLS block */ -#define R_TILEPRO_TLS_TPOFF32 84 /* Offset in static TLS block */ -#define R_TILEPRO_IMM16_X0_TLS_LE 85 /* X0 pipe 16-bit TLS LE offset */ -#define R_TILEPRO_IMM16_X1_TLS_LE 86 /* X1 pipe 16-bit TLS LE offset */ -#define R_TILEPRO_IMM16_X0_TLS_LE_LO 87 /* X0 pipe low 16-bit TLS LE offset */ -#define R_TILEPRO_IMM16_X1_TLS_LE_LO 88 /* X1 pipe low 16-bit TLS LE offset */ -#define R_TILEPRO_IMM16_X0_TLS_LE_HI 89 /* X0 pipe high 16-bit TLS LE offset */ -#define R_TILEPRO_IMM16_X1_TLS_LE_HI 90 /* X1 pipe high 16-bit TLS LE offset */ -#define R_TILEPRO_IMM16_X0_TLS_LE_HA 91 /* X0 pipe ha() 16-bit TLS LE offset */ -#define R_TILEPRO_IMM16_X1_TLS_LE_HA 92 /* X1 pipe ha() 16-bit TLS LE offset */ - -#define R_TILEPRO_GNU_VTINHERIT 128 /* GNU C++ vtable hierarchy */ -#define R_TILEPRO_GNU_VTENTRY 129 /* GNU C++ vtable member usage */ - -#define R_TILEPRO_NUM 130 - - -/* TILE-Gx relocations. */ -#define R_TILEGX_NONE 0 /* No reloc */ -#define R_TILEGX_64 1 /* Direct 64 bit */ -#define R_TILEGX_32 2 /* Direct 32 bit */ -#define R_TILEGX_16 3 /* Direct 16 bit */ -#define R_TILEGX_8 4 /* Direct 8 bit */ -#define R_TILEGX_64_PCREL 5 /* PC relative 64 bit */ -#define R_TILEGX_32_PCREL 6 /* PC relative 32 bit */ -#define R_TILEGX_16_PCREL 7 /* PC relative 16 bit */ -#define R_TILEGX_8_PCREL 8 /* PC relative 8 bit */ -#define R_TILEGX_HW0 9 /* hword 0 16-bit */ -#define R_TILEGX_HW1 10 /* hword 1 16-bit */ -#define R_TILEGX_HW2 11 /* hword 2 16-bit */ -#define R_TILEGX_HW3 12 /* hword 3 16-bit */ -#define R_TILEGX_HW0_LAST 13 /* last hword 0 16-bit */ -#define R_TILEGX_HW1_LAST 14 /* last hword 1 16-bit */ -#define R_TILEGX_HW2_LAST 15 /* last hword 2 16-bit */ -#define R_TILEGX_COPY 16 /* Copy relocation */ -#define R_TILEGX_GLOB_DAT 17 /* Create GOT entry */ -#define R_TILEGX_JMP_SLOT 18 /* Create PLT entry */ -#define R_TILEGX_RELATIVE 19 /* Adjust by program base */ -#define R_TILEGX_BROFF_X1 20 /* X1 pipe branch offset */ -#define R_TILEGX_JUMPOFF_X1 21 /* X1 pipe jump offset */ -#define R_TILEGX_JUMPOFF_X1_PLT 22 /* X1 pipe jump offset to PLT */ -#define R_TILEGX_IMM8_X0 23 /* X0 pipe 8-bit */ -#define R_TILEGX_IMM8_Y0 24 /* Y0 pipe 8-bit */ -#define R_TILEGX_IMM8_X1 25 /* X1 pipe 8-bit */ -#define R_TILEGX_IMM8_Y1 26 /* Y1 pipe 8-bit */ -#define R_TILEGX_DEST_IMM8_X1 27 /* X1 pipe destination 8-bit */ -#define R_TILEGX_MT_IMM14_X1 28 /* X1 pipe mtspr */ -#define R_TILEGX_MF_IMM14_X1 29 /* X1 pipe mfspr */ -#define R_TILEGX_MMSTART_X0 30 /* X0 pipe mm "start" */ -#define R_TILEGX_MMEND_X0 31 /* X0 pipe mm "end" */ -#define R_TILEGX_SHAMT_X0 32 /* X0 pipe shift amount */ -#define R_TILEGX_SHAMT_X1 33 /* X1 pipe shift amount */ -#define R_TILEGX_SHAMT_Y0 34 /* Y0 pipe shift amount */ -#define R_TILEGX_SHAMT_Y1 35 /* Y1 pipe shift amount */ -#define R_TILEGX_IMM16_X0_HW0 36 /* X0 pipe hword 0 */ -#define R_TILEGX_IMM16_X1_HW0 37 /* X1 pipe hword 0 */ -#define R_TILEGX_IMM16_X0_HW1 38 /* X0 pipe hword 1 */ -#define R_TILEGX_IMM16_X1_HW1 39 /* X1 pipe hword 1 */ -#define R_TILEGX_IMM16_X0_HW2 40 /* X0 pipe hword 2 */ -#define R_TILEGX_IMM16_X1_HW2 41 /* X1 pipe hword 2 */ -#define R_TILEGX_IMM16_X0_HW3 42 /* X0 pipe hword 3 */ -#define R_TILEGX_IMM16_X1_HW3 43 /* X1 pipe hword 3 */ -#define R_TILEGX_IMM16_X0_HW0_LAST 44 /* X0 pipe last hword 0 */ -#define R_TILEGX_IMM16_X1_HW0_LAST 45 /* X1 pipe last hword 0 */ -#define R_TILEGX_IMM16_X0_HW1_LAST 46 /* X0 pipe last hword 1 */ -#define R_TILEGX_IMM16_X1_HW1_LAST 47 /* X1 pipe last hword 1 */ -#define R_TILEGX_IMM16_X0_HW2_LAST 48 /* X0 pipe last hword 2 */ -#define R_TILEGX_IMM16_X1_HW2_LAST 49 /* X1 pipe last hword 2 */ -#define R_TILEGX_IMM16_X0_HW0_PCREL 50 /* X0 pipe PC relative hword 0 */ -#define R_TILEGX_IMM16_X1_HW0_PCREL 51 /* X1 pipe PC relative hword 0 */ -#define R_TILEGX_IMM16_X0_HW1_PCREL 52 /* X0 pipe PC relative hword 1 */ -#define R_TILEGX_IMM16_X1_HW1_PCREL 53 /* X1 pipe PC relative hword 1 */ -#define R_TILEGX_IMM16_X0_HW2_PCREL 54 /* X0 pipe PC relative hword 2 */ -#define R_TILEGX_IMM16_X1_HW2_PCREL 55 /* X1 pipe PC relative hword 2 */ -#define R_TILEGX_IMM16_X0_HW3_PCREL 56 /* X0 pipe PC relative hword 3 */ -#define R_TILEGX_IMM16_X1_HW3_PCREL 57 /* X1 pipe PC relative hword 3 */ -#define R_TILEGX_IMM16_X0_HW0_LAST_PCREL 58 /* X0 pipe PC-rel last hword 0 */ -#define R_TILEGX_IMM16_X1_HW0_LAST_PCREL 59 /* X1 pipe PC-rel last hword 0 */ -#define R_TILEGX_IMM16_X0_HW1_LAST_PCREL 60 /* X0 pipe PC-rel last hword 1 */ -#define R_TILEGX_IMM16_X1_HW1_LAST_PCREL 61 /* X1 pipe PC-rel last hword 1 */ -#define R_TILEGX_IMM16_X0_HW2_LAST_PCREL 62 /* X0 pipe PC-rel last hword 2 */ -#define R_TILEGX_IMM16_X1_HW2_LAST_PCREL 63 /* X1 pipe PC-rel last hword 2 */ -#define R_TILEGX_IMM16_X0_HW0_GOT 64 /* X0 pipe hword 0 GOT offset */ -#define R_TILEGX_IMM16_X1_HW0_GOT 65 /* X1 pipe hword 0 GOT offset */ -#define R_TILEGX_IMM16_X0_HW0_PLT_PCREL 66 /* X0 pipe PC-rel PLT hword 0 */ -#define R_TILEGX_IMM16_X1_HW0_PLT_PCREL 67 /* X1 pipe PC-rel PLT hword 0 */ -#define R_TILEGX_IMM16_X0_HW1_PLT_PCREL 68 /* X0 pipe PC-rel PLT hword 1 */ -#define R_TILEGX_IMM16_X1_HW1_PLT_PCREL 69 /* X1 pipe PC-rel PLT hword 1 */ -#define R_TILEGX_IMM16_X0_HW2_PLT_PCREL 70 /* X0 pipe PC-rel PLT hword 2 */ -#define R_TILEGX_IMM16_X1_HW2_PLT_PCREL 71 /* X1 pipe PC-rel PLT hword 2 */ -#define R_TILEGX_IMM16_X0_HW0_LAST_GOT 72 /* X0 pipe last hword 0 GOT offset */ -#define R_TILEGX_IMM16_X1_HW0_LAST_GOT 73 /* X1 pipe last hword 0 GOT offset */ -#define R_TILEGX_IMM16_X0_HW1_LAST_GOT 74 /* X0 pipe last hword 1 GOT offset */ -#define R_TILEGX_IMM16_X1_HW1_LAST_GOT 75 /* X1 pipe last hword 1 GOT offset */ -#define R_TILEGX_IMM16_X0_HW3_PLT_PCREL 76 /* X0 pipe PC-rel PLT hword 3 */ -#define R_TILEGX_IMM16_X1_HW3_PLT_PCREL 77 /* X1 pipe PC-rel PLT hword 3 */ -#define R_TILEGX_IMM16_X0_HW0_TLS_GD 78 /* X0 pipe hword 0 TLS GD offset */ -#define R_TILEGX_IMM16_X1_HW0_TLS_GD 79 /* X1 pipe hword 0 TLS GD offset */ -#define R_TILEGX_IMM16_X0_HW0_TLS_LE 80 /* X0 pipe hword 0 TLS LE offset */ -#define R_TILEGX_IMM16_X1_HW0_TLS_LE 81 /* X1 pipe hword 0 TLS LE offset */ -#define R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE 82 /* X0 pipe last hword 0 LE off */ -#define R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE 83 /* X1 pipe last hword 0 LE off */ -#define R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE 84 /* X0 pipe last hword 1 LE off */ -#define R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE 85 /* X1 pipe last hword 1 LE off */ -#define R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD 86 /* X0 pipe last hword 0 GD off */ -#define R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD 87 /* X1 pipe last hword 0 GD off */ -#define R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD 88 /* X0 pipe last hword 1 GD off */ -#define R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD 89 /* X1 pipe last hword 1 GD off */ -/* Relocs 90-91 are currently not defined. */ -#define R_TILEGX_IMM16_X0_HW0_TLS_IE 92 /* X0 pipe hword 0 TLS IE offset */ -#define R_TILEGX_IMM16_X1_HW0_TLS_IE 93 /* X1 pipe hword 0 TLS IE offset */ -#define R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL 94 /* X0 pipe PC-rel PLT last hword 0 */ -#define R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL 95 /* X1 pipe PC-rel PLT last hword 0 */ -#define R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL 96 /* X0 pipe PC-rel PLT last hword 1 */ -#define R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL 97 /* X1 pipe PC-rel PLT last hword 1 */ -#define R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL 98 /* X0 pipe PC-rel PLT last hword 2 */ -#define R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL 99 /* X1 pipe PC-rel PLT last hword 2 */ -#define R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE 100 /* X0 pipe last hword 0 IE off */ -#define R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE 101 /* X1 pipe last hword 0 IE off */ -#define R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE 102 /* X0 pipe last hword 1 IE off */ -#define R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE 103 /* X1 pipe last hword 1 IE off */ -/* Relocs 104-105 are currently not defined. */ -#define R_TILEGX_TLS_DTPMOD64 106 /* 64-bit ID of symbol's module */ -#define R_TILEGX_TLS_DTPOFF64 107 /* 64-bit offset in TLS block */ -#define R_TILEGX_TLS_TPOFF64 108 /* 64-bit offset in static TLS block */ -#define R_TILEGX_TLS_DTPMOD32 109 /* 32-bit ID of symbol's module */ -#define R_TILEGX_TLS_DTPOFF32 110 /* 32-bit offset in TLS block */ -#define R_TILEGX_TLS_TPOFF32 111 /* 32-bit offset in static TLS block */ -#define R_TILEGX_TLS_GD_CALL 112 /* "jal" for TLS GD */ -#define R_TILEGX_IMM8_X0_TLS_GD_ADD 113 /* X0 pipe "addi" for TLS GD */ -#define R_TILEGX_IMM8_X1_TLS_GD_ADD 114 /* X1 pipe "addi" for TLS GD */ -#define R_TILEGX_IMM8_Y0_TLS_GD_ADD 115 /* Y0 pipe "addi" for TLS GD */ -#define R_TILEGX_IMM8_Y1_TLS_GD_ADD 116 /* Y1 pipe "addi" for TLS GD */ -#define R_TILEGX_TLS_IE_LOAD 117 /* "ld_tls" for TLS IE */ -#define R_TILEGX_IMM8_X0_TLS_ADD 118 /* X0 pipe "addi" for TLS GD/IE */ -#define R_TILEGX_IMM8_X1_TLS_ADD 119 /* X1 pipe "addi" for TLS GD/IE */ -#define R_TILEGX_IMM8_Y0_TLS_ADD 120 /* Y0 pipe "addi" for TLS GD/IE */ -#define R_TILEGX_IMM8_Y1_TLS_ADD 121 /* Y1 pipe "addi" for TLS GD/IE */ - -#define R_TILEGX_GNU_VTINHERIT 128 /* GNU C++ vtable hierarchy */ -#define R_TILEGX_GNU_VTENTRY 129 /* GNU C++ vtable member usage */ - -#define R_TILEGX_NUM 130 - - -#endif /* elf.h */ diff --git a/src/libtcc.c b/src/libtcc.c deleted file mode 100644 index 1497637..0000000 --- a/src/libtcc.c +++ /dev/null @@ -1,2322 +0,0 @@ -/* - * TCC - Tiny C Compiler - * - * Copyright (c) 2001-2004 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "tcc.h" - -/********************************************************/ -/* global variables */ - -/* use GNU C extensions */ -ST_DATA int gnu_ext = 1; - -/* use TinyCC extensions */ -ST_DATA int tcc_ext = 1; - -/* XXX: get rid of this ASAP */ -ST_DATA struct TCCState *tcc_state; - -/********************************************************/ - -#ifdef ONE_SOURCE -#include "tccpp.c" -#include "tccgen.c" -#include "tccelf.c" -#include "tccrun.c" -#ifdef TCC_TARGET_I386 -#include "x86/i386-gen.c" -#endif -#ifdef TCC_TARGET_ARM -#include "arm/arm-gen.c" -#endif -#ifdef TCC_TARGET_ARM64 -#include "arm/arm64-gen.c" -#endif -#ifdef TCC_TARGET_C67 -#include "tms320c67/c67-gen.c" -#endif -#ifdef TCC_TARGET_X86_64 -#include "x86/x86_64-gen.c" -#endif -#ifdef CONFIG_TCC_ASM -#include "tccasm.c" -#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 -#include "x86/i386-asm.c" -#endif -#endif -#ifdef TCC_TARGET_COFF -#include "tcccoff.c" -#endif -#ifdef TCC_TARGET_PE -#include "tccpe.c" -#endif -#endif /* ONE_SOURCE */ - -/********************************************************/ -#ifndef CONFIG_TCC_ASM -ST_FUNC void asm_instr(void) -{ - tcc_error("inline asm() not supported"); -} -ST_FUNC void asm_global_instr(void) -{ - tcc_error("inline asm() not supported"); -} -#endif - -/********************************************************/ -#ifdef _WIN32 -static char *normalize_slashes(char *path) -{ - char *p; - for (p = path; *p; ++p) - if (*p == '\\') - *p = '/'; - return path; -} - -static HMODULE tcc_module; - -/* on win32, we suppose the lib and includes are at the location of 'tcc.exe' */ -static void tcc_set_lib_path_w32(TCCState *s) -{ - char path[1024], *p; - GetModuleFileNameA(tcc_module, path, sizeof path); - p = tcc_basename(normalize_slashes(strlwr(path))); - if (p - 5 > path && 0 == strncmp(p - 5, "/bin/", 5)) - p -= 5; - else if (p > path) - p--; - *p = 0; - tcc_set_lib_path(s, path); -} - -#ifdef TCC_TARGET_PE -static void tcc_add_systemdir(TCCState *s) -{ - char buf[1000]; - GetSystemDirectory(buf, sizeof buf); - tcc_add_library_path(s, normalize_slashes(buf)); -} -#endif - -#ifndef CONFIG_TCC_STATIC -void dlclose(void *p) -{ - FreeLibrary((HMODULE)p); -} -#endif - -#ifdef LIBTCC_AS_DLL -BOOL WINAPI DllMain (HINSTANCE hDll, DWORD dwReason, LPVOID lpReserved) -{ - if (DLL_PROCESS_ATTACH == dwReason) - tcc_module = hDll; - return TRUE; -} -#endif -#endif - -/********************************************************/ -/* copy a string and truncate it. */ -PUB_FUNC char *pstrcpy(char *buf, int buf_size, const char *s) -{ - char *q, *q_end; - int c; - - if (buf_size > 0) { - q = buf; - q_end = buf + buf_size - 1; - while (q < q_end) { - c = *s++; - if (c == '\0') - break; - *q++ = c; - } - *q = '\0'; - } - return buf; -} - -/* strcat and truncate. */ -PUB_FUNC char *pstrcat(char *buf, int buf_size, const char *s) -{ - int len; - len = strlen(buf); - if (len < buf_size) - pstrcpy(buf + len, buf_size - len, s); - return buf; -} - -PUB_FUNC char *pstrncpy(char *out, const char *in, size_t num) -{ - memcpy(out, in, num); - out[num] = '\0'; - return out; -} - -/* extract the basename of a file */ -PUB_FUNC char *tcc_basename(const char *name) -{ - char *p = strchr(name, 0); - while (p > name && !IS_DIRSEP(p[-1])) - --p; - return p; -} - -/* extract extension part of a file - * - * (if no extension, return pointer to end-of-string) - */ -PUB_FUNC char *tcc_fileextension (const char *name) -{ - char *b = tcc_basename(name); - char *e = strrchr(b, '.'); - return e ? e : strchr(b, 0); -} - -/********************************************************/ -/* memory management */ - -#undef free -#undef malloc -#undef realloc - -#ifndef MEM_DEBUG - -PUB_FUNC void tcc_free(void *ptr) -{ - free(ptr); -} - -PUB_FUNC void *tcc_malloc(unsigned long size) -{ - void *ptr; - ptr = malloc(size); - if (!ptr && size) - tcc_error("memory full (malloc)"); - return ptr; -} - -PUB_FUNC void *tcc_mallocz(unsigned long size) -{ - void *ptr; - ptr = tcc_malloc(size); - memset(ptr, 0, size); - return ptr; -} - -PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size) -{ - void *ptr1; - ptr1 = realloc(ptr, size); - if (!ptr1 && size) - tcc_error("memory full (realloc)"); - return ptr1; -} - -PUB_FUNC char *tcc_strdup(const char *str) -{ - char *ptr; - ptr = tcc_malloc(strlen(str) + 1); - strcpy(ptr, str); - return ptr; -} - -PUB_FUNC void tcc_memstats(int bench) -{ -} - -#else - -#define MEM_DEBUG_MAGIC1 0xFEEDDEB1 -#define MEM_DEBUG_MAGIC2 0xFEEDDEB2 -#define MEM_DEBUG_FILE_LEN 15 - -struct mem_debug_header { - size_t magic1; - size_t size; - struct mem_debug_header *prev; - struct mem_debug_header *next; - size_t line_num; - char file_name[MEM_DEBUG_FILE_LEN + 1]; - size_t magic2; -}; - -typedef struct mem_debug_header mem_debug_header_t; - -static mem_debug_header_t *mem_debug_chain; -static size_t mem_cur_size; -static size_t mem_max_size; - -PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line) -{ - void *ptr; - mem_debug_header_t *header; - - ptr = malloc(sizeof(mem_debug_header_t) + size); - if (!ptr) - tcc_error("memory full (malloc)"); - - mem_cur_size += size; - if (mem_cur_size > mem_max_size) - mem_max_size = mem_cur_size; - - header = (mem_debug_header_t *)ptr; - - header->magic1 = MEM_DEBUG_MAGIC1; - header->magic2 = MEM_DEBUG_MAGIC2; - header->size = size; - header->line_num = line; - - strncpy(header->file_name, file, MEM_DEBUG_FILE_LEN); - header->file_name[MEM_DEBUG_FILE_LEN] = 0; - - header->next = mem_debug_chain; - header->prev = NULL; - - if (header->next) - header->next->prev = header; - - mem_debug_chain = header; - - ptr = (char *)ptr + sizeof(mem_debug_header_t); - return ptr; -} - -PUB_FUNC void tcc_free_debug(void *ptr) -{ - mem_debug_header_t *header; - - if (!ptr) - return; - - ptr = (char *)ptr - sizeof(mem_debug_header_t); - header = (mem_debug_header_t *)ptr; - if (header->magic1 != MEM_DEBUG_MAGIC1 || - header->magic2 != MEM_DEBUG_MAGIC2 || - header->size == (size_t)-1 ) - { - tcc_error("tcc_free check failed"); - } - - mem_cur_size -= header->size; - header->size = (size_t)-1; - - if (header->next) - header->next->prev = header->prev; - - if (header->prev) - header->prev->next = header->next; - - if (header == mem_debug_chain) - mem_debug_chain = header->next; - - free(ptr); -} - - -PUB_FUNC void *tcc_mallocz_debug(unsigned long size, const char *file, int line) -{ - void *ptr; - ptr = tcc_malloc_debug(size,file,line); - memset(ptr, 0, size); - return ptr; -} - -PUB_FUNC void *tcc_realloc_debug(void *ptr, unsigned long size, const char *file, int line) -{ - mem_debug_header_t *header; - int mem_debug_chain_update = 0; - - if (!ptr) { - ptr = tcc_malloc_debug(size, file, line); - return ptr; - } - - ptr = (char *)ptr - sizeof(mem_debug_header_t); - header = (mem_debug_header_t *)ptr; - if (header->magic1 != MEM_DEBUG_MAGIC1 || - header->magic2 != MEM_DEBUG_MAGIC2 || - header->size == (size_t)-1 ) - { - check_error: - tcc_error("tcc_realloc check failed"); - } - - mem_debug_chain_update = (header == mem_debug_chain); - - mem_cur_size -= header->size; - ptr = realloc(ptr, sizeof(mem_debug_header_t) + size); - if (!ptr) - tcc_error("memory full (realloc)"); - - header = (mem_debug_header_t *)ptr; - if (header->magic1 != MEM_DEBUG_MAGIC1 || - header->magic2 != MEM_DEBUG_MAGIC2) - { - goto check_error; - } - - mem_cur_size += size; - if (mem_cur_size > mem_max_size) - mem_max_size = mem_cur_size; - - header->size = size; - if (header->next) - header->next->prev = header; - - if (header->prev) - header->prev->next = header; - - if (mem_debug_chain_update) - mem_debug_chain = header; - - ptr = (char *)ptr + sizeof(mem_debug_header_t); - return ptr; -} - -PUB_FUNC char *tcc_strdup_debug(const char *str, const char *file, int line) -{ - char *ptr; - ptr = tcc_malloc_debug(strlen(str) + 1, file, line); - strcpy(ptr, str); - return ptr; -} - -PUB_FUNC void tcc_memstats(int bench) -{ - if (mem_cur_size) { - mem_debug_header_t *header = mem_debug_chain; - - fprintf(stderr, "MEM_DEBUG: mem_leak= %d bytes, mem_max_size= %d bytes\n", - mem_cur_size, mem_max_size); - - while (header) { - fprintf(stderr, " file %s, line %u: %u bytes\n", - header->file_name, header->line_num, header->size); - header = header->next; - } - } - else if (bench) - fprintf(stderr, "mem_max_size= %d bytes\n", mem_max_size); -} - -#undef MEM_DEBUG_MAGIC1 -#undef MEM_DEBUG_MAGIC2 -#undef MEM_DEBUG_FILE_LEN - -#endif - -#define free(p) use_tcc_free(p) -#define malloc(s) use_tcc_malloc(s) -#define realloc(p, s) use_tcc_realloc(p, s) - -/********************************************************/ -/* dynarrays */ - -ST_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data) -{ - int nb, nb_alloc; - void **pp; - - nb = *nb_ptr; - pp = *ptab; - /* every power of two we double array size */ - if ((nb & (nb - 1)) == 0) { - if (!nb) - nb_alloc = 1; - else - nb_alloc = nb * 2; - pp = tcc_realloc(pp, nb_alloc * sizeof(void *)); - *ptab = pp; - } - pp[nb++] = data; - *nb_ptr = nb; -} - -ST_FUNC void dynarray_reset(void *pp, int *n) -{ - void **p; - for (p = *(void***)pp; *n; ++p, --*n) - if (*p) - tcc_free(*p); - tcc_free(*(void**)pp); - *(void**)pp = NULL; -} - -static void tcc_split_path(TCCState *s, void ***p_ary, int *p_nb_ary, const char *in) -{ - const char *p; - do { - int c; - CString str; - - cstr_new(&str); - for (p = in; c = *p, c != '\0' && c != PATHSEP; ++p) { - if (c == '{' && p[1] && p[2] == '}') { - c = p[1], p += 2; - if (c == 'B') - cstr_cat(&str, s->tcc_lib_path); - } else { - cstr_ccat(&str, c); - } - } - cstr_ccat(&str, '\0'); - dynarray_add(p_ary, p_nb_ary, str.data); - in = p+1; - } while (*p); -} - -/********************************************************/ - -ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags) -{ - Section *sec; - - sec = tcc_mallocz(sizeof(Section) + strlen(name)); - strcpy(sec->name, name); - sec->sh_type = sh_type; - sec->sh_flags = sh_flags; - switch(sh_type) { - case SHT_HASH: - case SHT_REL: - case SHT_RELA: - case SHT_DYNSYM: - case SHT_SYMTAB: - case SHT_DYNAMIC: - sec->sh_addralign = 4; - break; - case SHT_STRTAB: - sec->sh_addralign = 1; - break; - default: - sec->sh_addralign = 32; /* default conservative alignment */ - break; - } - - if (sh_flags & SHF_PRIVATE) { - dynarray_add((void ***)&s1->priv_sections, &s1->nb_priv_sections, sec); - } else { - sec->sh_num = s1->nb_sections; - dynarray_add((void ***)&s1->sections, &s1->nb_sections, sec); - } - - return sec; -} - -static void free_section(Section *s) -{ - tcc_free(s->data); -} - -/* realloc section and set its content to zero */ -ST_FUNC void section_realloc(Section *sec, unsigned long new_size) -{ - unsigned long size; - unsigned char *data; - - size = sec->data_allocated; - if (size == 0) - size = 1; - while (size < new_size) - size = size * 2; - data = tcc_realloc(sec->data, size); - memset(data + sec->data_allocated, 0, size - sec->data_allocated); - sec->data = data; - sec->data_allocated = size; -} - -/* reserve at least 'size' bytes in section 'sec' from - sec->data_offset. */ -ST_FUNC void *section_ptr_add(Section *sec, addr_t size) -{ - size_t offset, offset1; - - offset = sec->data_offset; - offset1 = offset + size; - if (offset1 > sec->data_allocated) - section_realloc(sec, offset1); - sec->data_offset = offset1; - return sec->data + offset; -} - -/* reserve at least 'size' bytes from section start */ -ST_FUNC void section_reserve(Section *sec, unsigned long size) -{ - if (size > sec->data_allocated) - section_realloc(sec, size); - if (size > sec->data_offset) - sec->data_offset = size; -} - -/* return a reference to a section, and create it if it does not - exists */ -ST_FUNC Section *find_section(TCCState *s1, const char *name) -{ - Section *sec; - int i; - for(i = 1; i < s1->nb_sections; i++) { - sec = s1->sections[i]; - if (!strcmp(name, sec->name)) - return sec; - } - /* sections are created as PROGBITS */ - return new_section(s1, name, SHT_PROGBITS, SHF_ALLOC); -} - -/* update sym->c so that it points to an external symbol in section - 'section' with value 'value' */ -ST_FUNC void put_extern_sym2(Sym *sym, Section *section, - addr_t value, unsigned long size, - int can_add_underscore) -{ - int sym_type, sym_bind, sh_num, info, other; - ElfW(Sym) *esym; - const char *name; - char buf1[256]; - -#ifdef CONFIG_TCC_BCHECK - char buf[32]; -#endif - - if (section == NULL) - sh_num = SHN_UNDEF; - else if (section == SECTION_ABS) - sh_num = SHN_ABS; - else - sh_num = section->sh_num; - - if ((sym->type.t & VT_BTYPE) == VT_FUNC) { - sym_type = STT_FUNC; - } else if ((sym->type.t & VT_BTYPE) == VT_VOID) { - sym_type = STT_NOTYPE; - } else { - sym_type = STT_OBJECT; - } - - if (sym->type.t & VT_STATIC) - sym_bind = STB_LOCAL; - else { - if (sym->type.t & VT_WEAK) - sym_bind = STB_WEAK; - else - sym_bind = STB_GLOBAL; - } - - if (!sym->c) { - name = get_tok_str(sym->v, NULL); -#ifdef CONFIG_TCC_BCHECK - if (tcc_state->do_bounds_check) { - /* XXX: avoid doing that for statics ? */ - /* if bound checking is activated, we change some function - names by adding the "__bound" prefix */ - switch(sym->v) { -#ifdef TCC_TARGET_PE - /* XXX: we rely only on malloc hooks */ - case TOK_malloc: - case TOK_free: - case TOK_realloc: - case TOK_memalign: - case TOK_calloc: -#endif - case TOK_memcpy: - case TOK_memmove: - case TOK_memset: - case TOK_strlen: - case TOK_strcpy: - case TOK_alloca: - strcpy(buf, "__bound_"); - strcat(buf, name); - name = buf; - break; - } - } -#endif - other = 0; - -#ifdef TCC_TARGET_PE - if (sym->type.t & VT_EXPORT) - other |= ST_PE_EXPORT; - if (sym_type == STT_FUNC && sym->type.ref) { - Sym *ref = sym->type.ref; - if (ref->a.func_export) - other |= ST_PE_EXPORT; - if (ref->a.func_call == FUNC_STDCALL && can_add_underscore) { - sprintf(buf1, "_%s@%d", name, ref->a.func_args * PTR_SIZE); - name = buf1; - other |= ST_PE_STDCALL; - can_add_underscore = 0; - } - } else { - if (find_elf_sym(tcc_state->dynsymtab_section, name)) - other |= ST_PE_IMPORT; - if (sym->type.t & VT_IMPORT) - other |= ST_PE_IMPORT; - } -#else - if (! (sym->type.t & VT_STATIC)) - other = (sym->type.t & VT_VIS_MASK) >> VT_VIS_SHIFT; -#endif - if (tcc_state->leading_underscore && can_add_underscore) { - buf1[0] = '_'; - pstrcpy(buf1 + 1, sizeof(buf1) - 1, name); - name = buf1; - } - if (sym->asm_label) { - name = sym->asm_label; - } - info = ELFW(ST_INFO)(sym_bind, sym_type); - sym->c = add_elf_sym(symtab_section, value, size, info, other, sh_num, name); - } else { - esym = &((ElfW(Sym) *)symtab_section->data)[sym->c]; - esym->st_value = value; - esym->st_size = size; - esym->st_shndx = sh_num; - } -} - -ST_FUNC void put_extern_sym(Sym *sym, Section *section, - addr_t value, unsigned long size) -{ - put_extern_sym2(sym, section, value, size, 1); -} - -/* add a new relocation entry to symbol 'sym' in section 's' */ -ST_FUNC void greloca(Section *s, Sym *sym, unsigned long offset, int type, - addr_t addend) -{ - int c = 0; - if (sym) { - if (0 == sym->c) - put_extern_sym(sym, NULL, 0, 0); - c = sym->c; - } - /* now we can add ELF relocation info */ - put_elf_reloca(symtab_section, s, offset, type, c, addend); -} - -ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type) -{ - greloca(s, sym, offset, type, 0); -} - -/********************************************************/ - -static void strcat_vprintf(char *buf, int buf_size, const char *fmt, va_list ap) -{ - int len; - len = strlen(buf); - vsnprintf(buf + len, buf_size - len, fmt, ap); -} - -static void strcat_printf(char *buf, int buf_size, const char *fmt, ...) -{ - va_list ap; - va_start(ap, fmt); - strcat_vprintf(buf, buf_size, fmt, ap); - va_end(ap); -} - -static void error1(TCCState *s1, int is_warning, const char *fmt, va_list ap) -{ - char buf[2048]; - BufferedFile **pf, *f; - - buf[0] = '\0'; - /* use upper file if inline ":asm:" or token ":paste:" */ - for (f = file; f && f->filename[0] == ':'; f = f->prev) - ; - if (f) { - for(pf = s1->include_stack; pf < s1->include_stack_ptr; pf++) - strcat_printf(buf, sizeof(buf), "In file included from %s:%d:\n", - (*pf)->filename, (*pf)->line_num); - if (f->line_num > 0) { - strcat_printf(buf, sizeof(buf), "%s:%d: ", - f->filename, f->line_num); - } else { - strcat_printf(buf, sizeof(buf), "%s: ", - f->filename); - } - } else { - strcat_printf(buf, sizeof(buf), "tcc: "); - } - if (is_warning) - strcat_printf(buf, sizeof(buf), "warning: "); - else - strcat_printf(buf, sizeof(buf), "error: "); - strcat_vprintf(buf, sizeof(buf), fmt, ap); - - if (!s1->error_func) { - /* default case: stderr */ - if (s1->ppfp) /* print a newline during tcc -E */ - fprintf(s1->ppfp, "\n"), fflush(s1->ppfp); - fprintf(stderr, "%s\n", buf); - fflush(stderr); /* print error/warning now (win32) */ - } else { - s1->error_func(s1->error_opaque, buf); - } - if (!is_warning || s1->warn_error) - s1->nb_errors++; -} - -LIBTCCAPI void tcc_set_error_func(TCCState *s, void *error_opaque, - void (*error_func)(void *opaque, const char *msg)) -{ - s->error_opaque = error_opaque; - s->error_func = error_func; -} - -/* error without aborting current compilation */ -PUB_FUNC void tcc_error_noabort(const char *fmt, ...) -{ - TCCState *s1 = tcc_state; - va_list ap; - - va_start(ap, fmt); - error1(s1, 0, fmt, ap); - va_end(ap); -} - -PUB_FUNC void tcc_error(const char *fmt, ...) -{ - TCCState *s1 = tcc_state; - va_list ap; - - va_start(ap, fmt); - error1(s1, 0, fmt, ap); - va_end(ap); - /* better than nothing: in some cases, we accept to handle errors */ - if (s1->error_set_jmp_enabled) { - longjmp(s1->error_jmp_buf, 1); - } else { - /* XXX: eliminate this someday */ - exit(1); - } -} - -PUB_FUNC void tcc_warning(const char *fmt, ...) -{ - TCCState *s1 = tcc_state; - va_list ap; - - if (s1->warn_none) - return; - - va_start(ap, fmt); - error1(s1, 1, fmt, ap); - va_end(ap); -} - -/********************************************************/ -/* I/O layer */ - -ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen) -{ - BufferedFile *bf; - int buflen = initlen ? initlen : IO_BUF_SIZE; - - bf = tcc_mallocz(sizeof(BufferedFile) + buflen); - bf->buf_ptr = bf->buffer; - bf->buf_end = bf->buffer + initlen; - bf->buf_end[0] = CH_EOB; /* put eob symbol */ - pstrcpy(bf->filename, sizeof(bf->filename), filename); -#ifdef _WIN32 - normalize_slashes(bf->filename); -#endif - bf->line_num = 1; - bf->ifdef_stack_ptr = s1->ifdef_stack_ptr; - bf->fd = -1; - bf->prev = file; - file = bf; -} - -ST_FUNC void tcc_close(void) -{ - BufferedFile *bf = file; - if (bf->fd > 0) { - close(bf->fd); - total_lines += bf->line_num; - } - file = bf->prev; - tcc_free(bf); -} - -ST_FUNC int tcc_open(TCCState *s1, const char *filename) -{ - int fd; - if (strcmp(filename, "-") == 0) - fd = 0, filename = ""; - else - fd = open(filename, O_RDONLY | O_BINARY); - if ((s1->verbose == 2 && fd >= 0) || s1->verbose == 3) - printf("%s %*s%s\n", fd < 0 ? "nf":"->", - (int)(s1->include_stack_ptr - s1->include_stack), "", filename); - if (fd < 0) - return -1; - - tcc_open_bf(s1, filename, 0); - file->fd = fd; - return fd; -} - -/* compile the C file opened in 'file'. Return non zero if errors. */ -static int tcc_compile(TCCState *s1) -{ - Sym *define_start; - char buf[512]; - volatile int section_sym; - -#ifdef INC_DEBUG - printf("%s: **** new file\n", file->filename); -#endif - preprocess_init(s1); - - cur_text_section = NULL; - funcname = ""; - anon_sym = SYM_FIRST_ANOM; - - /* file info: full path + filename */ - section_sym = 0; /* avoid warning */ - if (s1->do_debug) { - section_sym = put_elf_sym(symtab_section, 0, 0, - ELFW(ST_INFO)(STB_LOCAL, STT_SECTION), 0, - text_section->sh_num, NULL); - getcwd(buf, sizeof(buf)); -#ifdef _WIN32 - normalize_slashes(buf); -#endif - pstrcat(buf, sizeof(buf), "/"); - put_stabs_r(buf, N_SO, 0, 0, - text_section->data_offset, text_section, section_sym); - put_stabs_r(file->filename, N_SO, 0, 0, - text_section->data_offset, text_section, section_sym); - } - /* an elf symbol of type STT_FILE must be put so that STB_LOCAL - symbols can be safely used */ - put_elf_sym(symtab_section, 0, 0, - ELFW(ST_INFO)(STB_LOCAL, STT_FILE), 0, - SHN_ABS, file->filename); - - /* define some often used types */ - int_type.t = VT_INT; - - char_pointer_type.t = VT_BYTE; - mk_pointer(&char_pointer_type); - -#if PTR_SIZE == 4 - size_type.t = VT_INT; -#else - size_type.t = VT_LLONG; -#endif - - func_old_type.t = VT_FUNC; - func_old_type.ref = sym_push(SYM_FIELD, &int_type, FUNC_CDECL, FUNC_OLD); -#ifdef TCC_TARGET_ARM - arm_init(s1); -#endif - -#if 0 - /* define 'void *alloca(unsigned int)' builtin function */ - { - Sym *s1; - - p = anon_sym++; - sym = sym_push(p, mk_pointer(VT_VOID), FUNC_CDECL, FUNC_NEW); - s1 = sym_push(SYM_FIELD, VT_UNSIGNED | VT_INT, 0, 0); - s1->next = NULL; - sym->next = s1; - sym_push(TOK_alloca, VT_FUNC | (p << VT_STRUCT_SHIFT), VT_CONST, 0); - } -#endif - - define_start = define_stack; - nocode_wanted = 1; - - if (setjmp(s1->error_jmp_buf) == 0) { - s1->nb_errors = 0; - s1->error_set_jmp_enabled = 1; - - ch = file->buf_ptr[0]; - tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF; - parse_flags = PARSE_FLAG_PREPROCESS | PARSE_FLAG_TOK_NUM | PARSE_FLAG_TOK_STR; - next(); - decl(VT_CONST); - if (tok != TOK_EOF) - expect("declaration"); - check_vstack(); - - /* end of translation unit info */ - if (s1->do_debug) { - put_stabs_r(NULL, N_SO, 0, 0, - text_section->data_offset, text_section, section_sym); - } - } - - s1->error_set_jmp_enabled = 0; - - /* reset define stack, but leave -Dsymbols (may be incorrect if - they are undefined) */ - free_defines(define_start); - - gen_inline_functions(); - - sym_pop(&global_stack, NULL); - sym_pop(&local_stack, NULL); - - return s1->nb_errors != 0 ? -1 : 0; -} - -LIBTCCAPI int tcc_compile_string(TCCState *s, const char *str) -{ - int len, ret; - - len = strlen(str); - tcc_open_bf(s, "", len); - memcpy(file->buffer, str, len); - ret = tcc_compile(s); - tcc_close(); - return ret; -} - -/* define a preprocessor symbol. A value can also be provided with the '=' operator */ -LIBTCCAPI void tcc_define_symbol(TCCState *s1, const char *sym, const char *value) -{ - int len1, len2; - /* default value */ - if (!value) - value = "1"; - len1 = strlen(sym); - len2 = strlen(value); - - /* init file structure */ - tcc_open_bf(s1, "", len1 + len2 + 1); - memcpy(file->buffer, sym, len1); - file->buffer[len1] = ' '; - memcpy(file->buffer + len1 + 1, value, len2); - - /* parse with define parser */ - ch = file->buf_ptr[0]; - next_nomacro(); - parse_define(); - - tcc_close(); -} - -/* undefine a preprocessor symbol */ -LIBTCCAPI void tcc_undefine_symbol(TCCState *s1, const char *sym) -{ - TokenSym *ts; - Sym *s; - ts = tok_alloc(sym, strlen(sym)); - s = define_find(ts->tok); - /* undefine symbol by putting an invalid name */ - if (s) - define_undef(s); -} - -/* cleanup all static data used during compilation */ -static void tcc_cleanup(void) -{ - if (NULL == tcc_state) - return; - tcc_state = NULL; - - preprocess_delete(); - - /* free sym_pools */ - dynarray_reset(&sym_pools, &nb_sym_pools); - /* string buffer */ - cstr_free(&tokcstr); - /* reset symbol stack */ - sym_free_first = NULL; -} - -LIBTCCAPI TCCState *tcc_new(void) -{ - TCCState *s; - char buffer[100]; - int a,b,c; - - tcc_cleanup(); - - s = tcc_mallocz(sizeof(TCCState)); - if (!s) - return NULL; - tcc_state = s; -#ifdef _WIN32 - tcc_set_lib_path_w32(s); -#else - tcc_set_lib_path(s, CONFIG_TCCDIR); -#endif - s->output_type = 0; - preprocess_new(); - s->include_stack_ptr = s->include_stack; - - /* we add dummy defines for some special macros to speed up tests - and to have working defined() */ - define_push(TOK___LINE__, MACRO_OBJ, NULL, NULL); - define_push(TOK___FILE__, MACRO_OBJ, NULL, NULL); - define_push(TOK___DATE__, MACRO_OBJ, NULL, NULL); - define_push(TOK___TIME__, MACRO_OBJ, NULL, NULL); - - /* define __TINYC__ 92X */ - sscanf(TCC_VERSION, "%d.%d.%d", &a, &b, &c); - sprintf(buffer, "%d", a*10000 + b*100 + c); - tcc_define_symbol(s, "__TINYC__", buffer); - - /* standard defines */ - tcc_define_symbol(s, "__STDC__", NULL); - tcc_define_symbol(s, "__STDC_VERSION__", "199901L"); - tcc_define_symbol(s, "__STDC_HOSTED__", NULL); - - /* target defines */ -#if defined(TCC_TARGET_I386) - tcc_define_symbol(s, "__i386__", NULL); - tcc_define_symbol(s, "__i386", NULL); - tcc_define_symbol(s, "i386", NULL); -#elif defined(TCC_TARGET_X86_64) - tcc_define_symbol(s, "__x86_64__", NULL); -#elif defined(TCC_TARGET_ARM) - tcc_define_symbol(s, "__ARM_ARCH_4__", NULL); - tcc_define_symbol(s, "__arm_elf__", NULL); - tcc_define_symbol(s, "__arm_elf", NULL); - tcc_define_symbol(s, "arm_elf", NULL); - tcc_define_symbol(s, "__arm__", NULL); - tcc_define_symbol(s, "__arm", NULL); - tcc_define_symbol(s, "arm", NULL); - tcc_define_symbol(s, "__APCS_32__", NULL); - tcc_define_symbol(s, "__ARMEL__", NULL); -#if defined(TCC_ARM_EABI) - tcc_define_symbol(s, "__ARM_EABI__", NULL); -#endif -#if defined(TCC_ARM_HARDFLOAT) - s->float_abi = ARM_HARD_FLOAT; - tcc_define_symbol(s, "__ARM_PCS_VFP", NULL); -#else - s->float_abi = ARM_SOFTFP_FLOAT; -#endif -#elif defined(TCC_TARGET_ARM64) - tcc_define_symbol(s, "__aarch64__", NULL); -#endif - -#ifdef TCC_TARGET_PE - tcc_define_symbol(s, "_WIN32", NULL); -# ifdef TCC_TARGET_X86_64 - tcc_define_symbol(s, "_WIN64", NULL); -# endif -#else - tcc_define_symbol(s, "__unix__", NULL); - tcc_define_symbol(s, "__unix", NULL); - tcc_define_symbol(s, "unix", NULL); -# if defined(__linux) - tcc_define_symbol(s, "__linux__", NULL); - tcc_define_symbol(s, "__linux", NULL); -# endif -# if defined(__FreeBSD__) -# define str(s) #s - tcc_define_symbol(s, "__FreeBSD__", str( __FreeBSD__)); -# undef str -# endif -# if defined(__FreeBSD_kernel__) - tcc_define_symbol(s, "__FreeBSD_kernel__", NULL); -# endif -#endif - - /* TinyCC & gcc defines */ -#if defined TCC_TARGET_PE && defined TCC_TARGET_X86_64 - tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long long"); - tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long long"); -#else - tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long"); - tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long"); -#endif - -#ifdef TCC_TARGET_PE - tcc_define_symbol(s, "__WCHAR_TYPE__", "unsigned short"); - tcc_define_symbol(s, "__WINT_TYPE__", "unsigned short"); -#else - tcc_define_symbol(s, "__WCHAR_TYPE__", "int"); - /* wint_t is unsigned int by default, but (signed) int on BSDs - and unsigned short on windows. Other OSes might have still - other conventions, sigh. */ -#if defined(__FreeBSD__) || defined (__FreeBSD_kernel__) - tcc_define_symbol(s, "__WINT_TYPE__", "int"); -#else - tcc_define_symbol(s, "__WINT_TYPE__", "unsigned int"); -#endif -#endif - -#ifndef TCC_TARGET_PE - /* glibc defines */ - tcc_define_symbol(s, "__REDIRECT(name, proto, alias)", "name proto __asm__ (#alias)"); - tcc_define_symbol(s, "__REDIRECT_NTH(name, proto, alias)", "name proto __asm__ (#alias) __THROW"); - /* paths for crt objects */ - tcc_split_path(s, (void ***)&s->crt_paths, &s->nb_crt_paths, CONFIG_TCC_CRTPREFIX); -#endif - - /* no section zero */ - dynarray_add((void ***)&s->sections, &s->nb_sections, NULL); - - /* create standard sections */ - text_section = new_section(s, ".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR); - data_section = new_section(s, ".data", SHT_PROGBITS, SHF_ALLOC | SHF_WRITE); - bss_section = new_section(s, ".bss", SHT_NOBITS, SHF_ALLOC | SHF_WRITE); - - /* symbols are always generated for linking stage */ - symtab_section = new_symtab(s, ".symtab", SHT_SYMTAB, 0, - ".strtab", - ".hashtab", SHF_PRIVATE); - strtab_section = symtab_section->link; - s->symtab = symtab_section; - - /* private symbol table for dynamic symbols */ - s->dynsymtab_section = new_symtab(s, ".dynsymtab", SHT_SYMTAB, SHF_PRIVATE, - ".dynstrtab", - ".dynhashtab", SHF_PRIVATE); - s->alacarte_link = 1; - s->nocommon = 1; - s->warn_implicit_function_declaration = 1; - -#ifdef CHAR_IS_UNSIGNED - s->char_is_unsigned = 1; -#endif - /* enable this if you want symbols with leading underscore on windows: */ -#if 0 /* def TCC_TARGET_PE */ - s->leading_underscore = 1; -#endif -#ifdef TCC_TARGET_I386 - s->seg_size = 32; -#endif -#ifdef TCC_IS_NATIVE - s->runtime_main = "main"; -#endif - return s; -} - -LIBTCCAPI void tcc_delete(TCCState *s1) -{ - int i; - int bench = s1->do_bench; - - tcc_cleanup(); - - /* close a preprocessor output */ - if (s1->ppfp && s1->ppfp != stdout) - fclose(s1->ppfp); - - /* free all sections */ - for(i = 1; i < s1->nb_sections; i++) - free_section(s1->sections[i]); - dynarray_reset(&s1->sections, &s1->nb_sections); - - for(i = 0; i < s1->nb_priv_sections; i++) - free_section(s1->priv_sections[i]); - dynarray_reset(&s1->priv_sections, &s1->nb_priv_sections); - - /* free any loaded DLLs */ -#ifdef TCC_IS_NATIVE - for ( i = 0; i < s1->nb_loaded_dlls; i++) { - DLLReference *ref = s1->loaded_dlls[i]; - if ( ref->handle ) - dlclose(ref->handle); - } -#endif - - /* free loaded dlls array */ - dynarray_reset(&s1->loaded_dlls, &s1->nb_loaded_dlls); - - /* free library paths */ - dynarray_reset(&s1->library_paths, &s1->nb_library_paths); - dynarray_reset(&s1->crt_paths, &s1->nb_crt_paths); - - /* free include paths */ - dynarray_reset(&s1->cached_includes, &s1->nb_cached_includes); - dynarray_reset(&s1->include_paths, &s1->nb_include_paths); - dynarray_reset(&s1->sysinclude_paths, &s1->nb_sysinclude_paths); - - tcc_free(s1->tcc_lib_path); - tcc_free(s1->soname); - tcc_free(s1->rpath); - tcc_free(s1->init_symbol); - tcc_free(s1->fini_symbol); - tcc_free(s1->outfile); - tcc_free(s1->deps_outfile); - dynarray_reset(&s1->files, &s1->nb_files); - dynarray_reset(&s1->target_deps, &s1->nb_target_deps); - dynarray_reset(&s1->pragma_libs, &s1->nb_pragma_libs); - -#ifdef TCC_IS_NATIVE -# ifdef HAVE_SELINUX - munmap (s1->write_mem, s1->mem_size); - munmap (s1->runtime_mem, s1->mem_size); -# else - tcc_free(s1->runtime_mem); -# endif -#endif - - tcc_free(s1->sym_attrs); - tcc_free(s1); - tcc_memstats(bench); -} - -LIBTCCAPI int tcc_add_include_path(TCCState *s, const char *pathname) -{ - tcc_split_path(s, (void ***)&s->include_paths, &s->nb_include_paths, pathname); - return 0; -} - -LIBTCCAPI int tcc_add_sysinclude_path(TCCState *s, const char *pathname) -{ - tcc_split_path(s, (void ***)&s->sysinclude_paths, &s->nb_sysinclude_paths, pathname); - return 0; -} - -ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags, int filetype) -{ - ElfW(Ehdr) ehdr; - int fd, ret, size; - - parse_flags = 0; -#ifdef CONFIG_TCC_ASM - /* if .S file, define __ASSEMBLER__ like gcc does */ - if ((filetype == TCC_FILETYPE_ASM) || (filetype == TCC_FILETYPE_ASM_PP)) { - tcc_define_symbol(s1, "__ASSEMBLER__", NULL); - parse_flags = PARSE_FLAG_ASM_FILE; - } -#endif - - /* open the file */ - ret = tcc_open(s1, filename); - if (ret < 0) { - if (flags & AFF_PRINT_ERROR) - tcc_error_noabort("file '%s' not found", filename); - return ret; - } - - /* update target deps */ - dynarray_add((void ***)&s1->target_deps, &s1->nb_target_deps, - tcc_strdup(filename)); - - if (flags & AFF_PREPROCESS) { - ret = tcc_preprocess(s1); - goto the_end; - } - - if (filetype == TCC_FILETYPE_C) { - /* C file assumed */ - ret = tcc_compile(s1); - goto the_end; - } - -#ifdef CONFIG_TCC_ASM - if (filetype == TCC_FILETYPE_ASM_PP) { - /* non preprocessed assembler */ - ret = tcc_assemble(s1, 1); - goto the_end; - } - - if (filetype == TCC_FILETYPE_ASM) { - /* preprocessed assembler */ - ret = tcc_assemble(s1, 0); - goto the_end; - } -#endif - - fd = file->fd; - /* assume executable format: auto guess file type */ - size = read(fd, &ehdr, sizeof(ehdr)); - lseek(fd, 0, SEEK_SET); - if (size <= 0) { - tcc_error_noabort("could not read header"); - goto the_end; - } - - if (size == sizeof(ehdr) && - ehdr.e_ident[0] == ELFMAG0 && - ehdr.e_ident[1] == ELFMAG1 && - ehdr.e_ident[2] == ELFMAG2 && - ehdr.e_ident[3] == ELFMAG3) { - - /* do not display line number if error */ - file->line_num = 0; - if (ehdr.e_type == ET_REL) { - ret = tcc_load_object_file(s1, fd, 0); - goto the_end; - - } -#ifndef TCC_TARGET_PE - if (ehdr.e_type == ET_DYN) { - if (s1->output_type == TCC_OUTPUT_MEMORY) { -#ifdef TCC_IS_NATIVE - void *h; - h = dlopen(filename, RTLD_GLOBAL | RTLD_LAZY); - if (h) -#endif - ret = 0; - } else { - ret = tcc_load_dll(s1, fd, filename, - (flags & AFF_REFERENCED_DLL) != 0); - } - goto the_end; - } -#endif - tcc_error_noabort("unrecognized ELF file"); - goto the_end; - } - - if (memcmp((char *)&ehdr, ARMAG, 8) == 0) { - file->line_num = 0; /* do not display line number if error */ - ret = tcc_load_archive(s1, fd); - goto the_end; - } - -#ifdef TCC_TARGET_COFF - if (*(uint16_t *)(&ehdr) == COFF_C67_MAGIC) { - ret = tcc_load_coff(s1, fd); - goto the_end; - } -#endif - -#ifdef TCC_TARGET_PE - ret = pe_load_file(s1, filename, fd); -#else - /* as GNU ld, consider it is an ld script if not recognized */ - ret = tcc_load_ldscript(s1); -#endif - if (ret < 0) - tcc_error_noabort("unrecognized file type"); - -the_end: - tcc_close(); - return ret; -} - -LIBTCCAPI int tcc_add_file(TCCState *s, const char *filename, int filetype) -{ - if (s->output_type == TCC_OUTPUT_PREPROCESS) - return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR | AFF_PREPROCESS, filetype); - else - return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR, filetype); -} - -LIBTCCAPI int tcc_add_library_path(TCCState *s, const char *pathname) -{ - tcc_split_path(s, (void ***)&s->library_paths, &s->nb_library_paths, pathname); - return 0; -} - -static int tcc_add_library_internal(TCCState *s, const char *fmt, - const char *filename, int flags, char **paths, int nb_paths) -{ - char buf[1024]; - int i; - - for(i = 0; i < nb_paths; i++) { - snprintf(buf, sizeof(buf), fmt, paths[i], filename); - if (tcc_add_file_internal(s, buf, flags, TCC_FILETYPE_BINARY) == 0) - return 0; - } - return -1; -} - -#ifndef TCC_TARGET_PE -/* find and load a dll. Return non zero if not found */ -/* XXX: add '-rpath' option support ? */ -ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags) -{ - return tcc_add_library_internal(s, "%s/%s", filename, flags, - s->library_paths, s->nb_library_paths); -} -#endif - -ST_FUNC int tcc_add_crt(TCCState *s, const char *filename) -{ - if (-1 == tcc_add_library_internal(s, "%s/%s", - filename, 0, s->crt_paths, s->nb_crt_paths)) - tcc_error_noabort("file '%s' not found", filename); - return 0; -} - -/* the library name is the same as the argument of the '-l' option */ -LIBTCCAPI int tcc_add_library(TCCState *s, const char *libraryname) -{ -#ifdef TCC_TARGET_PE - const char *libs[] = { "%s/%s.def", "%s/lib%s.def", "%s/%s.dll", "%s/lib%s.dll", "%s/lib%s.a", NULL }; - const char **pp = s->static_link ? libs + 4 : libs; -#else - const char *libs[] = { "%s/lib%s.so", "%s/lib%s.a", NULL }; - const char **pp = s->static_link ? libs + 1 : libs; -#endif - while (*pp) { - if (0 == tcc_add_library_internal(s, *pp, - libraryname, 0, s->library_paths, s->nb_library_paths)) - return 0; - ++pp; - } - return -1; -} - -PUB_FUNC int tcc_add_library_err(TCCState *s, const char *libname) -{ - int ret = tcc_add_library(s, libname); - if (ret < 0) - tcc_error_noabort("cannot find library 'lib%s'", libname); - return ret; -} - -/* habdle #pragma comment(lib,) */ -ST_FUNC void tcc_add_pragma_libs(TCCState *s1) -{ - int i; - for (i = 0; i < s1->nb_pragma_libs; i++) - tcc_add_library_err(s1, s1->pragma_libs[i]); -} - -LIBTCCAPI int tcc_add_symbol(TCCState *s, const char *name, const void *val) -{ -#ifdef TCC_TARGET_PE - /* On x86_64 'val' might not be reachable with a 32bit offset. - So it is handled here as if it were in a DLL. */ - pe_putimport(s, 0, name, (uintptr_t)val); -#else - add_elf_sym(symtab_section, (uintptr_t)val, 0, - ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0, - SHN_ABS, name); -#endif - return 0; -} - -LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type) -{ - s->output_type = output_type; - - if (!s->nostdinc) { - /* default include paths */ - /* -isystem paths have already been handled */ - tcc_add_sysinclude_path(s, CONFIG_TCC_SYSINCLUDEPATHS); - } - - /* if bound checking, then add corresponding sections */ -#ifdef CONFIG_TCC_BCHECK - if (s->do_bounds_check) { - /* define symbol */ - tcc_define_symbol(s, "__BOUNDS_CHECKING_ON", NULL); - /* create bounds sections */ - bounds_section = new_section(s, ".bounds", - SHT_PROGBITS, SHF_ALLOC); - lbounds_section = new_section(s, ".lbounds", - SHT_PROGBITS, SHF_ALLOC); - } -#endif - - if (s->char_is_unsigned) { - tcc_define_symbol(s, "__CHAR_UNSIGNED__", NULL); - } - - /* add debug sections */ - if (s->do_debug) { - /* stab symbols */ - stab_section = new_section(s, ".stab", SHT_PROGBITS, 0); - stab_section->sh_entsize = sizeof(Stab_Sym); - stabstr_section = new_section(s, ".stabstr", SHT_STRTAB, 0); - put_elf_str(stabstr_section, ""); - stab_section->link = stabstr_section; - /* put first entry */ - put_stabs("", 0, 0, 0, 0); - } - - tcc_add_library_path(s, CONFIG_TCC_LIBPATHS); -#ifdef TCC_TARGET_PE -# ifdef _WIN32 - tcc_add_systemdir(s); -# endif -#else - /* add libc crt1/crti objects */ - if ((output_type == TCC_OUTPUT_EXE || output_type == TCC_OUTPUT_DLL) && - !s->nostdlib) { - if (output_type != TCC_OUTPUT_DLL) - tcc_add_crt(s, "crt1.o"); - tcc_add_crt(s, "crti.o"); - } -#endif - -#ifdef CONFIG_TCC_BCHECK - if (s->do_bounds_check && (output_type == TCC_OUTPUT_EXE)) - { - /* force a bcheck.o linking */ - addr_t func = TOK___bound_init; - Sym *sym = external_global_sym(func, &func_old_type, 0); - if (!sym->c) - put_extern_sym(sym, NULL, 0, 0); - } -#endif - - if (s->output_type == TCC_OUTPUT_PREPROCESS) - print_defines(); - - return 0; -} - -LIBTCCAPI void tcc_set_lib_path(TCCState *s, const char *path) -{ - tcc_free(s->tcc_lib_path); - s->tcc_lib_path = tcc_strdup(path); -} - -#define WD_ALL 0x0001 /* warning is activated when using -Wall */ -#define FD_INVERT 0x0002 /* invert value before storing */ - -typedef struct FlagDef { - uint16_t offset; - uint16_t flags; - const char *name; -} FlagDef; - -static const FlagDef warning_defs[] = { - { offsetof(TCCState, warn_unsupported), 0, "unsupported" }, - { offsetof(TCCState, warn_write_strings), 0, "write-strings" }, - { offsetof(TCCState, warn_error), 0, "error" }, - { offsetof(TCCState, warn_implicit_function_declaration), WD_ALL, - "implicit-function-declaration" }, -}; - -ST_FUNC int set_flag(TCCState *s, const FlagDef *flags, int nb_flags, - const char *name, int value) -{ - int i; - const FlagDef *p; - const char *r; - - r = name; - if (r[0] == 'n' && r[1] == 'o' && r[2] == '-') { - r += 3; - value = !value; - } - for(i = 0, p = flags; i < nb_flags; i++, p++) { - if (!strcmp(r, p->name)) - goto found; - } - return -1; - found: - if (p->flags & FD_INVERT) - value = !value; - *(int *)((uint8_t *)s + p->offset) = value; - return 0; -} - -/* set/reset a warning */ -static int tcc_set_warning(TCCState *s, const char *warning_name, int value) -{ - int i; - const FlagDef *p; - - if (!strcmp(warning_name, "all")) { - for(i = 0, p = warning_defs; i < countof(warning_defs); i++, p++) { - if (p->flags & WD_ALL) - *(int *)((uint8_t *)s + p->offset) = 1; - } - return 0; - } else { - return set_flag(s, warning_defs, countof(warning_defs), - warning_name, value); - } -} - -static const FlagDef flag_defs[] = { - { offsetof(TCCState, char_is_unsigned), 0, "unsigned-char" }, - { offsetof(TCCState, char_is_unsigned), FD_INVERT, "signed-char" }, - { offsetof(TCCState, nocommon), FD_INVERT, "common" }, - { offsetof(TCCState, leading_underscore), 0, "leading-underscore" }, - { offsetof(TCCState, ms_extensions), 0, "ms-extensions" }, - { offsetof(TCCState, old_struct_init_code), 0, "old-struct-init-code" }, - { offsetof(TCCState, dollars_in_identifiers), 0, "dollars-in-identifiers" }, -}; - -/* set/reset a flag */ -static int tcc_set_flag(TCCState *s, const char *flag_name, int value) -{ - return set_flag(s, flag_defs, countof(flag_defs), - flag_name, value); -} - - -static int strstart(const char *val, const char **str) -{ - const char *p, *q; - p = *str; - q = val; - while (*q) { - if (*p != *q) - return 0; - p++; - q++; - } - *str = p; - return 1; -} - -/* Like strstart, but automatically takes into account that ld options can - * - * - start with double or single dash (e.g. '--soname' or '-soname') - * - arguments can be given as separate or after '=' (e.g. '-Wl,-soname,x.so' - * or '-Wl,-soname=x.so') - * - * you provide `val` always in 'option[=]' form (no leading -) - */ -static int link_option(const char *str, const char *val, const char **ptr) -{ - const char *p, *q; - - /* there should be 1 or 2 dashes */ - if (*str++ != '-') - return 0; - if (*str == '-') - str++; - - /* then str & val should match (potentialy up to '=') */ - p = str; - q = val; - - while (*q != '\0' && *q != '=') { - if (*p != *q) - return 0; - p++; - q++; - } - - /* '=' near eos means ',' or '=' is ok */ - if (*q == '=') { - if (*p != ',' && *p != '=') - return 0; - p++; - q++; - } - - if (ptr) - *ptr = p; - return 1; -} - -static const char *skip_linker_arg(const char **str) -{ - const char *s1 = *str; - const char *s2 = strchr(s1, ','); - *str = s2 ? s2++ : (s2 = s1 + strlen(s1)); - return s2; -} - -static char *copy_linker_arg(const char *p) -{ - const char *q = p; - skip_linker_arg(&q); - return pstrncpy(tcc_malloc(q - p + 1), p, q - p); -} - -/* set linker options */ -static int tcc_set_linker(TCCState *s, const char *option) -{ - while (option && *option) { - - const char *p = option; - char *end = NULL; - int ignoring = 0; - - if (link_option(option, "Bsymbolic", &p)) { - s->symbolic = 1; - } else if (link_option(option, "nostdlib", &p)) { - s->nostdlib = 1; - } else if (link_option(option, "fini=", &p)) { - s->fini_symbol = copy_linker_arg(p); - ignoring = 1; - } else if (link_option(option, "image-base=", &p) - || link_option(option, "Ttext=", &p)) { - s->text_addr = strtoull(p, &end, 16); - s->has_text_addr = 1; - } else if (link_option(option, "init=", &p)) { - s->init_symbol = copy_linker_arg(p); - ignoring = 1; - } else if (link_option(option, "oformat=", &p)) { -#if defined(TCC_TARGET_PE) - if (strstart("pe-", &p)) { -#elif defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) - if (strstart("elf64-", &p)) { -#else - if (strstart("elf32-", &p)) { -#endif - s->output_format = TCC_OUTPUT_FORMAT_ELF; - } else if (!strcmp(p, "binary")) { - s->output_format = TCC_OUTPUT_FORMAT_BINARY; -#ifdef TCC_TARGET_COFF - } else if (!strcmp(p, "coff")) { - s->output_format = TCC_OUTPUT_FORMAT_COFF; -#endif - } else - goto err; - - } else if (link_option(option, "as-needed", &p)) { - ignoring = 1; - } else if (link_option(option, "O", &p)) { - ignoring = 1; - } else if (link_option(option, "rpath=", &p)) { - s->rpath = copy_linker_arg(p); - } else if (link_option(option, "section-alignment=", &p)) { - s->section_align = strtoul(p, &end, 16); - } else if (link_option(option, "soname=", &p)) { - s->soname = copy_linker_arg(p); -#ifdef TCC_TARGET_PE - } else if (link_option(option, "file-alignment=", &p)) { - s->pe_file_align = strtoul(p, &end, 16); - } else if (link_option(option, "stack=", &p)) { - s->pe_stack_size = strtoul(p, &end, 10); - } else if (link_option(option, "subsystem=", &p)) { -#if defined(TCC_TARGET_I386) || defined(TCC_TARGET_X86_64) - if (!strcmp(p, "native")) { - s->pe_subsystem = 1; - } else if (!strcmp(p, "console")) { - s->pe_subsystem = 3; - } else if (!strcmp(p, "gui")) { - s->pe_subsystem = 2; - } else if (!strcmp(p, "posix")) { - s->pe_subsystem = 7; - } else if (!strcmp(p, "efiapp")) { - s->pe_subsystem = 10; - } else if (!strcmp(p, "efiboot")) { - s->pe_subsystem = 11; - } else if (!strcmp(p, "efiruntime")) { - s->pe_subsystem = 12; - } else if (!strcmp(p, "efirom")) { - s->pe_subsystem = 13; -#elif defined(TCC_TARGET_ARM) - if (!strcmp(p, "wince")) { - s->pe_subsystem = 9; -#endif - } else - goto err; -#endif - } else - goto err; - - if (ignoring && s->warn_unsupported) err: { - char buf[100], *e; - pstrcpy(buf, sizeof buf, e = copy_linker_arg(option)), tcc_free(e); - if (ignoring) - tcc_warning("unsupported linker option '%s'", buf); - else - tcc_error("unsupported linker option '%s'", buf); - } - option = skip_linker_arg(&p); - } - return 0; -} - -typedef struct TCCOption { - const char *name; - uint16_t index; - uint16_t flags; -} TCCOption; - -enum { - TCC_OPTION_HELP, - TCC_OPTION_I, - TCC_OPTION_D, - TCC_OPTION_U, - TCC_OPTION_P, - TCC_OPTION_L, - TCC_OPTION_B, - TCC_OPTION_l, - TCC_OPTION_bench, - TCC_OPTION_bt, - TCC_OPTION_b, - TCC_OPTION_g, - TCC_OPTION_c, - TCC_OPTION_dumpversion, - TCC_OPTION_d, - TCC_OPTION_float_abi, - TCC_OPTION_static, - TCC_OPTION_std, - TCC_OPTION_shared, - TCC_OPTION_soname, - TCC_OPTION_o, - TCC_OPTION_r, - TCC_OPTION_s, - TCC_OPTION_traditional, - TCC_OPTION_Wl, - TCC_OPTION_W, - TCC_OPTION_O, - TCC_OPTION_m, - TCC_OPTION_f, - TCC_OPTION_isystem, - TCC_OPTION_iwithprefix, - TCC_OPTION_nostdinc, - TCC_OPTION_nostdlib, - TCC_OPTION_print_search_dirs, - TCC_OPTION_rdynamic, - TCC_OPTION_pedantic, - TCC_OPTION_pthread, - TCC_OPTION_run, - TCC_OPTION_v, - TCC_OPTION_w, - TCC_OPTION_pipe, - TCC_OPTION_E, - TCC_OPTION_MD, - TCC_OPTION_MF, - TCC_OPTION_x, -}; - -#define TCC_OPTION_HAS_ARG 0x0001 -#define TCC_OPTION_NOSEP 0x0002 /* cannot have space before option and arg */ - -static const TCCOption tcc_options[] = { - { "h", TCC_OPTION_HELP, 0 }, - { "-help", TCC_OPTION_HELP, 0 }, - { "?", TCC_OPTION_HELP, 0 }, - { "I", TCC_OPTION_I, TCC_OPTION_HAS_ARG }, - { "D", TCC_OPTION_D, TCC_OPTION_HAS_ARG }, - { "U", TCC_OPTION_U, TCC_OPTION_HAS_ARG }, - { "P", TCC_OPTION_P, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, - { "L", TCC_OPTION_L, TCC_OPTION_HAS_ARG }, - { "B", TCC_OPTION_B, TCC_OPTION_HAS_ARG }, - { "l", TCC_OPTION_l, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, - { "bench", TCC_OPTION_bench, 0 }, -#ifdef CONFIG_TCC_BACKTRACE - { "bt", TCC_OPTION_bt, TCC_OPTION_HAS_ARG }, -#endif -#ifdef CONFIG_TCC_BCHECK - { "b", TCC_OPTION_b, 0 }, -#endif - { "g", TCC_OPTION_g, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, - { "c", TCC_OPTION_c, 0 }, - { "dumpversion", TCC_OPTION_dumpversion, 0}, - { "d", TCC_OPTION_d, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, -#ifdef TCC_TARGET_ARM - { "mfloat-abi", TCC_OPTION_float_abi, TCC_OPTION_HAS_ARG }, -#endif - { "static", TCC_OPTION_static, 0 }, - { "std", TCC_OPTION_std, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, - { "shared", TCC_OPTION_shared, 0 }, - { "soname", TCC_OPTION_soname, TCC_OPTION_HAS_ARG }, - { "o", TCC_OPTION_o, TCC_OPTION_HAS_ARG }, - { "pedantic", TCC_OPTION_pedantic, 0}, - { "pthread", TCC_OPTION_pthread, 0}, - { "run", TCC_OPTION_run, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, - { "rdynamic", TCC_OPTION_rdynamic, 0 }, - { "r", TCC_OPTION_r, 0 }, - { "s", TCC_OPTION_s, 0 }, - { "traditional", TCC_OPTION_traditional, 0 }, - { "Wl,", TCC_OPTION_Wl, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, - { "W", TCC_OPTION_W, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, - { "O", TCC_OPTION_O, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, - { "m", TCC_OPTION_m, TCC_OPTION_HAS_ARG }, - { "f", TCC_OPTION_f, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, - { "isystem", TCC_OPTION_isystem, TCC_OPTION_HAS_ARG }, - { "iwithprefix", TCC_OPTION_iwithprefix, TCC_OPTION_HAS_ARG }, - { "nostdinc", TCC_OPTION_nostdinc, 0 }, - { "nostdlib", TCC_OPTION_nostdlib, 0 }, - { "print-search-dirs", TCC_OPTION_print_search_dirs, 0 }, - { "v", TCC_OPTION_v, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, - { "w", TCC_OPTION_w, 0 }, - { "pipe", TCC_OPTION_pipe, 0}, - { "E", TCC_OPTION_E, 0}, - { "MD", TCC_OPTION_MD, 0}, - { "MF", TCC_OPTION_MF, TCC_OPTION_HAS_ARG }, - { "x", TCC_OPTION_x, TCC_OPTION_HAS_ARG }, - { NULL, 0, 0 }, -}; - -static void parse_option_D(TCCState *s1, const char *optarg) -{ - char *sym = tcc_strdup(optarg); - char *value = strchr(sym, '='); - if (value) - *value++ = '\0'; - tcc_define_symbol(s1, sym, value); - tcc_free(sym); -} - -static void args_parser_add_file(TCCState *s, const char* filename, int filetype) -{ - int len = strlen(filename); - char *p = tcc_malloc(len + 2); - if (filetype) { - *p = filetype; - } - else { - /* use a file extension to detect a filetype */ - const char *ext = tcc_fileextension(filename); - if (ext[0]) { - ext++; - if (!strcmp(ext, "S")) - *p = TCC_FILETYPE_ASM_PP; - else - if (!strcmp(ext, "s")) - *p = TCC_FILETYPE_ASM; - else - if (!PATHCMP(ext, "c") || !PATHCMP(ext, "i")) - *p = TCC_FILETYPE_C; - else - *p = TCC_FILETYPE_BINARY; - } - else { - *p = TCC_FILETYPE_C; - } - } - strcpy(p+1, filename); - dynarray_add((void ***)&s->files, &s->nb_files, p); -} - -PUB_FUNC int tcc_parse_args(TCCState *s, int argc, char **argv) -{ - const TCCOption *popt; - const char *optarg, *r; - int run = 0; - int pthread = 0; - int optind = 0; - int filetype = 0; - - /* collect -Wl options for input such as "-Wl,-rpath -Wl," */ - CString linker_arg; - cstr_new(&linker_arg); - - while (optind < argc) { - - r = argv[optind++]; - if (r[0] != '-' || r[1] == '\0') { - args_parser_add_file(s, r, filetype); - if (run) { - optind--; - /* argv[0] will be this file */ - break; - } - continue; - } - - /* find option in table */ - for(popt = tcc_options; ; ++popt) { - const char *p1 = popt->name; - const char *r1 = r + 1; - if (p1 == NULL) - tcc_error("invalid option -- '%s'", r); - if (!strstart(p1, &r1)) - continue; - optarg = r1; - if (popt->flags & TCC_OPTION_HAS_ARG) { - if (*r1 == '\0' && !(popt->flags & TCC_OPTION_NOSEP)) { - if (optind >= argc) - tcc_error("argument to '%s' is missing", r); - optarg = argv[optind++]; - } - } else if (*r1 != '\0') - continue; - break; - } - - switch(popt->index) { - case TCC_OPTION_HELP: - return 0; - case TCC_OPTION_I: - tcc_add_include_path(s, optarg); - break; - case TCC_OPTION_D: - parse_option_D(s, optarg); - break; - case TCC_OPTION_U: - tcc_undefine_symbol(s, optarg); - break; - case TCC_OPTION_L: - tcc_add_library_path(s, optarg); - break; - case TCC_OPTION_B: - /* set tcc utilities path (mainly for tcc development) */ - tcc_set_lib_path(s, optarg); - break; - case TCC_OPTION_l: - args_parser_add_file(s, r, TCC_FILETYPE_BINARY); - s->nb_libraries++; - break; - case TCC_OPTION_pthread: - parse_option_D(s, "_REENTRANT"); - pthread = 1; - break; - case TCC_OPTION_bench: - s->do_bench = 1; - break; -#ifdef CONFIG_TCC_BACKTRACE - case TCC_OPTION_bt: - tcc_set_num_callers(atoi(optarg)); - break; -#endif -#ifdef CONFIG_TCC_BCHECK - case TCC_OPTION_b: - s->do_bounds_check = 1; - s->do_debug = 1; - break; -#endif - case TCC_OPTION_g: - s->do_debug = 1; - break; - case TCC_OPTION_c: - if (s->output_type) - tcc_warning("-c: some compiler action already specified (%d)", s->output_type); - s->output_type = TCC_OUTPUT_OBJ; - break; - case TCC_OPTION_d: - if (*optarg == 'D') - s->dflag = 1; - else { - if (s->warn_unsupported) - goto unsupported_option; - tcc_error("invalid option -- '%s'", r); - } - break; -#ifdef TCC_TARGET_ARM - case TCC_OPTION_float_abi: - /* tcc doesn't support soft float yet */ - if (!strcmp(optarg, "softfp")) { - s->float_abi = ARM_SOFTFP_FLOAT; - tcc_undefine_symbol(s, "__ARM_PCS_VFP"); - } else if (!strcmp(optarg, "hard")) - s->float_abi = ARM_HARD_FLOAT; - else - tcc_error("unsupported float abi '%s'", optarg); - break; -#endif - case TCC_OPTION_static: - s->static_link = 1; - break; - case TCC_OPTION_std: - /* silently ignore, a current purpose: - allow to use a tcc as a reference compiler for "make test" */ - break; - case TCC_OPTION_shared: - if (s->output_type) - tcc_warning("-shared: some compiler action already specified (%d)", s->output_type); - s->output_type = TCC_OUTPUT_DLL; - break; - case TCC_OPTION_soname: - s->soname = tcc_strdup(optarg); - break; - case TCC_OPTION_m: - s->option_m = tcc_strdup(optarg); - break; - case TCC_OPTION_o: - if (s->outfile) { - tcc_warning("multiple -o option"); - tcc_free(s->outfile); - } - s->outfile = tcc_strdup(optarg); - break; - case TCC_OPTION_r: - /* generate a .o merging several output files */ - if (s->output_type) - tcc_warning("-r: some compiler action already specified (%d)", s->output_type); - s->option_r = 1; - s->output_type = TCC_OUTPUT_OBJ; - break; - case TCC_OPTION_isystem: - tcc_add_sysinclude_path(s, optarg); - break; - case TCC_OPTION_iwithprefix: - if (1) { - char buf[1024]; - int buf_size = sizeof(buf)-1; - char *p = &buf[0]; - - char *sysroot = "{B}/"; - int len = strlen(sysroot); - if (len > buf_size) - len = buf_size; - strncpy(p, sysroot, len); - p += len; - buf_size -= len; - - len = strlen(optarg); - if (len > buf_size) - len = buf_size; - strncpy(p, optarg, len+1); - tcc_add_sysinclude_path(s, buf); - } - break; - case TCC_OPTION_nostdinc: - s->nostdinc = 1; - break; - case TCC_OPTION_nostdlib: - s->nostdlib = 1; - break; - case TCC_OPTION_print_search_dirs: - s->print_search_dirs = 1; - break; - case TCC_OPTION_run: - if (s->output_type) - tcc_warning("-run: some compiler action already specified (%d)", s->output_type); - s->output_type = TCC_OUTPUT_MEMORY; - tcc_set_options(s, optarg); - run = 1; - break; - case TCC_OPTION_v: - do ++s->verbose; while (*optarg++ == 'v'); - break; - case TCC_OPTION_f: - if (tcc_set_flag(s, optarg, 1) < 0 && s->warn_unsupported) - goto unsupported_option; - break; - case TCC_OPTION_W: - if (tcc_set_warning(s, optarg, 1) < 0 && - s->warn_unsupported) - goto unsupported_option; - break; - case TCC_OPTION_w: - s->warn_none = 1; - break; - case TCC_OPTION_rdynamic: - s->rdynamic = 1; - break; - case TCC_OPTION_Wl: - if (linker_arg.size) - --linker_arg.size, cstr_ccat(&linker_arg, ','); - cstr_cat(&linker_arg, optarg); - cstr_ccat(&linker_arg, '\0'); - break; - case TCC_OPTION_E: - if (s->output_type) - tcc_warning("-E: some compiler action already specified (%d)", s->output_type); - s->output_type = TCC_OUTPUT_PREPROCESS; - break; - case TCC_OPTION_P: - s->Pflag = atoi(optarg) + 1; - break; - case TCC_OPTION_MD: - s->gen_deps = 1; - break; - case TCC_OPTION_MF: - s->deps_outfile = tcc_strdup(optarg); - break; - case TCC_OPTION_dumpversion: - printf ("%s\n", TCC_VERSION); - exit(0); - case TCC_OPTION_s: - s->do_strip = 1; - break; - case TCC_OPTION_traditional: - break; - case TCC_OPTION_x: - if (*optarg == 'c') - filetype = TCC_FILETYPE_C; - else - if (*optarg == 'a') - filetype = TCC_FILETYPE_ASM_PP; - else - if (*optarg == 'n') - filetype = 0; - else - tcc_warning("unsupported language '%s'", optarg); - break; - case TCC_OPTION_O: - if (1) { - int opt = atoi(optarg); - char *sym = "__OPTIMIZE__"; - if (opt) - tcc_define_symbol(s, sym, 0); - else - tcc_undefine_symbol(s, sym); - } - break; - case TCC_OPTION_pedantic: - case TCC_OPTION_pipe: - /* ignored */ - break; - default: - if (s->warn_unsupported) { - unsupported_option: - tcc_warning("unsupported option '%s'", r); - } - break; - } - } - - if (s->output_type == 0) - s->output_type = TCC_OUTPUT_EXE; - - if (pthread && s->output_type != TCC_OUTPUT_OBJ) - tcc_set_options(s, "-lpthread"); - - if (s->output_type == TCC_OUTPUT_EXE) - tcc_set_linker(s, (const char *)linker_arg.data); - cstr_free(&linker_arg); - - return optind; -} - -LIBTCCAPI int tcc_set_options(TCCState *s, const char *str) -{ - const char *s1; - char **argv, *arg; - int argc, len; - int ret; - - argc = 0, argv = NULL; - for(;;) { - while (is_space(*str)) - str++; - if (*str == '\0') - break; - s1 = str; - while (*str != '\0' && !is_space(*str)) - str++; - len = str - s1; - arg = tcc_malloc(len + 1); - pstrncpy(arg, s1, len); - dynarray_add((void ***)&argv, &argc, arg); - } - ret = tcc_parse_args(s, argc, argv); - dynarray_reset(&argv, &argc); - return ret; -} - -PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time) -{ - double tt; - tt = (double)total_time / 1000000.0; - if (tt < 0.001) - tt = 0.001; - if (total_bytes < 1) - total_bytes = 1; - fprintf(stderr, "%d idents, %d lines, %d bytes, %0.3f s, %d lines/s, %0.1f MB/s\n", - tok_ident - TOK_IDENT, total_lines, total_bytes, - tt, (int)(total_lines / tt), - total_bytes / tt / 1000000.0); -} - -PUB_FUNC void tcc_set_environment(TCCState *s) -{ - char * path; - - path = getenv("C_INCLUDE_PATH"); - if(path != NULL) { - tcc_add_include_path(s, path); - } - path = getenv("CPATH"); - if(path != NULL) { - tcc_add_include_path(s, path); - } - path = getenv("LIBRARY_PATH"); - if(path != NULL) { - tcc_add_library_path(s, path); - } -} diff --git a/src/libtcc.h b/src/libtcc.h deleted file mode 100644 index 97b8587..0000000 --- a/src/libtcc.h +++ /dev/null @@ -1,104 +0,0 @@ -#ifndef LIBTCC_H -#define LIBTCC_H - -#ifndef LIBTCCAPI -# define LIBTCCAPI -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -struct TCCState; - -typedef struct TCCState TCCState; - -/* create a new TCC compilation context */ -LIBTCCAPI TCCState *tcc_new(void); - -/* free a TCC compilation context */ -LIBTCCAPI void tcc_delete(TCCState *s); - -/* set CONFIG_TCCDIR at runtime */ -LIBTCCAPI void tcc_set_lib_path(TCCState *s, const char *path); - -/* set error/warning display callback */ -LIBTCCAPI void tcc_set_error_func(TCCState *s, void *error_opaque, - void (*error_func)(void *opaque, const char *msg)); - -/* set options as from command line (multiple supported) */ -LIBTCCAPI int tcc_set_options(TCCState *s, const char *str); - -/*****************************/ -/* preprocessor */ - -/* add include path */ -LIBTCCAPI int tcc_add_include_path(TCCState *s, const char *pathname); - -/* add in system include path */ -LIBTCCAPI int tcc_add_sysinclude_path(TCCState *s, const char *pathname); - -/* define preprocessor symbol 'sym'. Can put optional value */ -LIBTCCAPI void tcc_define_symbol(TCCState *s, const char *sym, const char *value); - -/* undefine preprocess symbol 'sym' */ -LIBTCCAPI void tcc_undefine_symbol(TCCState *s, const char *sym); - -/*****************************/ -/* compiling */ - -/* add a file (C file, dll, object, library, ld script). Return -1 if error. */ -LIBTCCAPI int tcc_add_file(TCCState *s, const char *filename, int filetype); -#define TCC_FILETYPE_BINARY 1 -#define TCC_FILETYPE_C 2 -#define TCC_FILETYPE_ASM 3 -#define TCC_FILETYPE_ASM_PP 4 - -/* compile a string containing a C source. Return -1 if error. */ -LIBTCCAPI int tcc_compile_string(TCCState *s, const char *buf); - -/*****************************/ -/* linking commands */ - -/* set output type. MUST BE CALLED before any compilation */ -LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type); -#define TCC_OUTPUT_MEMORY 1 /* output will be run in memory (default) */ -#define TCC_OUTPUT_EXE 2 /* executable file */ -#define TCC_OUTPUT_DLL 3 /* dynamic library */ -#define TCC_OUTPUT_OBJ 4 /* object file */ -#define TCC_OUTPUT_PREPROCESS 5 /* only preprocess (used internally) */ - -/* equivalent to -Lpath option */ -LIBTCCAPI int tcc_add_library_path(TCCState *s, const char *pathname); - -/* the library name is the same as the argument of the '-l' option */ -LIBTCCAPI int tcc_add_library(TCCState *s, const char *libraryname); - -/* add a symbol to the compiled program */ -LIBTCCAPI int tcc_add_symbol(TCCState *s, const char *name, const void *val); - -/* output an executable, library or object file. DO NOT call - tcc_relocate() before. */ -LIBTCCAPI int tcc_output_file(TCCState *s, const char *filename); - -/* link and run main() function and return its value. DO NOT call - tcc_relocate() before. */ -LIBTCCAPI int tcc_run(TCCState *s, int argc, char **argv); - -/* do all relocations (needed before using tcc_get_symbol()) */ -LIBTCCAPI int tcc_relocate(TCCState *s1, void *ptr); -/* possible values for 'ptr': - - TCC_RELOCATE_AUTO : Allocate and manage memory internally - - NULL : return required memory size for the step below - - memory address : copy code to memory passed by the caller - returns -1 if error. */ -#define TCC_RELOCATE_AUTO (void*)1 - -/* return symbol value or NULL if not found */ -LIBTCCAPI void *tcc_get_symbol(TCCState *s, const char *name); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/src/stab.def b/src/stab.def deleted file mode 100644 index 48ea231..0000000 --- a/src/stab.def +++ /dev/null @@ -1,234 +0,0 @@ -/* Table of DBX symbol codes for the GNU system. - Copyright (C) 1988, 1997 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* This contains contribution from Cygnus Support. */ - -/* Global variable. Only the name is significant. - To find the address, look in the corresponding external symbol. */ -__define_stab (N_GSYM, 0x20, "GSYM") - -/* Function name for BSD Fortran. Only the name is significant. - To find the address, look in the corresponding external symbol. */ -__define_stab (N_FNAME, 0x22, "FNAME") - -/* Function name or text-segment variable for C. Value is its address. - Desc is supposedly starting line number, but GCC doesn't set it - and DBX seems not to miss it. */ -__define_stab (N_FUN, 0x24, "FUN") - -/* Data-segment variable with internal linkage. Value is its address. - "Static Sym". */ -__define_stab (N_STSYM, 0x26, "STSYM") - -/* BSS-segment variable with internal linkage. Value is its address. */ -__define_stab (N_LCSYM, 0x28, "LCSYM") - -/* Name of main routine. Only the name is significant. - This is not used in C. */ -__define_stab (N_MAIN, 0x2a, "MAIN") - -/* Global symbol in Pascal. - Supposedly the value is its line number; I'm skeptical. */ -__define_stab (N_PC, 0x30, "PC") - -/* Number of symbols: 0, files,,funcs,lines according to Ultrix V4.0. */ -__define_stab (N_NSYMS, 0x32, "NSYMS") - -/* "No DST map for sym: name, ,0,type,ignored" according to Ultrix V4.0. */ -__define_stab (N_NOMAP, 0x34, "NOMAP") - -/* New stab from Solaris. I don't know what it means, but it - don't seem to contain useful information. */ -__define_stab (N_OBJ, 0x38, "OBJ") - -/* New stab from Solaris. I don't know what it means, but it - don't seem to contain useful information. Possibly related to the - optimization flags used in this module. */ -__define_stab (N_OPT, 0x3c, "OPT") - -/* Register variable. Value is number of register. */ -__define_stab (N_RSYM, 0x40, "RSYM") - -/* Modula-2 compilation unit. Can someone say what info it contains? */ -__define_stab (N_M2C, 0x42, "M2C") - -/* Line number in text segment. Desc is the line number; - value is corresponding address. */ -__define_stab (N_SLINE, 0x44, "SLINE") - -/* Similar, for data segment. */ -__define_stab (N_DSLINE, 0x46, "DSLINE") - -/* Similar, for bss segment. */ -__define_stab (N_BSLINE, 0x48, "BSLINE") - -/* Sun's source-code browser stabs. ?? Don't know what the fields are. - Supposedly the field is "path to associated .cb file". THIS VALUE - OVERLAPS WITH N_BSLINE! */ -__define_stab (N_BROWS, 0x48, "BROWS") - -/* GNU Modula-2 definition module dependency. Value is the modification time - of the definition file. Other is non-zero if it is imported with the - GNU M2 keyword %INITIALIZE. Perhaps N_M2C can be used if there - are enough empty fields? */ -__define_stab(N_DEFD, 0x4a, "DEFD") - -/* THE FOLLOWING TWO STAB VALUES CONFLICT. Happily, one is for Modula-2 - and one is for C++. Still,... */ -/* GNU C++ exception variable. Name is variable name. */ -__define_stab (N_EHDECL, 0x50, "EHDECL") -/* Modula2 info "for imc": name,,0,0,0 according to Ultrix V4.0. */ -__define_stab (N_MOD2, 0x50, "MOD2") - -/* GNU C++ `catch' clause. Value is its address. Desc is nonzero if - this entry is immediately followed by a CAUGHT stab saying what exception - was caught. Multiple CAUGHT stabs means that multiple exceptions - can be caught here. If Desc is 0, it means all exceptions are caught - here. */ -__define_stab (N_CATCH, 0x54, "CATCH") - -/* Structure or union element. Value is offset in the structure. */ -__define_stab (N_SSYM, 0x60, "SSYM") - -/* Name of main source file. - Value is starting text address of the compilation. */ -__define_stab (N_SO, 0x64, "SO") - -/* Automatic variable in the stack. Value is offset from frame pointer. - Also used for type descriptions. */ -__define_stab (N_LSYM, 0x80, "LSYM") - -/* Beginning of an include file. Only Sun uses this. - In an object file, only the name is significant. - The Sun linker puts data into some of the other fields. */ -__define_stab (N_BINCL, 0x82, "BINCL") - -/* Name of sub-source file (#include file). - Value is starting text address of the compilation. */ -__define_stab (N_SOL, 0x84, "SOL") - -/* Parameter variable. Value is offset from argument pointer. - (On most machines the argument pointer is the same as the frame pointer. */ -__define_stab (N_PSYM, 0xa0, "PSYM") - -/* End of an include file. No name. - This and N_BINCL act as brackets around the file's output. - In an object file, there is no significant data in this entry. - The Sun linker puts data into some of the fields. */ -__define_stab (N_EINCL, 0xa2, "EINCL") - -/* Alternate entry point. Value is its address. */ -__define_stab (N_ENTRY, 0xa4, "ENTRY") - -/* Beginning of lexical block. - The desc is the nesting level in lexical blocks. - The value is the address of the start of the text for the block. - The variables declared inside the block *precede* the N_LBRAC symbol. */ -__define_stab (N_LBRAC, 0xc0, "LBRAC") - -/* Place holder for deleted include file. Replaces a N_BINCL and everything - up to the corresponding N_EINCL. The Sun linker generates these when - it finds multiple identical copies of the symbols from an include file. - This appears only in output from the Sun linker. */ -__define_stab (N_EXCL, 0xc2, "EXCL") - -/* Modula-2 scope information. Can someone say what info it contains? */ -__define_stab (N_SCOPE, 0xc4, "SCOPE") - -/* End of a lexical block. Desc matches the N_LBRAC's desc. - The value is the address of the end of the text for the block. */ -__define_stab (N_RBRAC, 0xe0, "RBRAC") - -/* Begin named common block. Only the name is significant. */ -__define_stab (N_BCOMM, 0xe2, "BCOMM") - -/* End named common block. Only the name is significant - (and it should match the N_BCOMM). */ -__define_stab (N_ECOMM, 0xe4, "ECOMM") - -/* End common (local name): value is address. - I'm not sure how this is used. */ -__define_stab (N_ECOML, 0xe8, "ECOML") - -/* These STAB's are used on Gould systems for Non-Base register symbols - or something like that. FIXME. I have assigned the values at random - since I don't have a Gould here. Fixups from Gould folk welcome... */ -__define_stab (N_NBTEXT, 0xF0, "NBTEXT") -__define_stab (N_NBDATA, 0xF2, "NBDATA") -__define_stab (N_NBBSS, 0xF4, "NBBSS") -__define_stab (N_NBSTS, 0xF6, "NBSTS") -__define_stab (N_NBLCS, 0xF8, "NBLCS") - -/* Second symbol entry containing a length-value for the preceding entry. - The value is the length. */ -__define_stab (N_LENG, 0xfe, "LENG") - -/* The above information, in matrix format. - - STAB MATRIX - _________________________________________________ - | 00 - 1F are not dbx stab symbols | - | In most cases, the low bit is the EXTernal bit| - - | 00 UNDEF | 02 ABS | 04 TEXT | 06 DATA | - | 01 |EXT | 03 |EXT | 05 |EXT | 07 |EXT | - - | 08 BSS | 0A INDR | 0C FN_SEQ | 0E | - | 09 |EXT | 0B | 0D | 0F | - - | 10 | 12 COMM | 14 SETA | 16 SETT | - | 11 | 13 | 15 | 17 | - - | 18 SETD | 1A SETB | 1C SETV | 1E WARNING| - | 19 | 1B | 1D | 1F FN | - - |_______________________________________________| - | Debug entries with bit 01 set are unused. | - | 20 GSYM | 22 FNAME | 24 FUN | 26 STSYM | - | 28 LCSYM | 2A MAIN | 2C | 2E | - | 30 PC | 32 NSYMS | 34 NOMAP | 36 | - | 38 OBJ | 3A | 3C OPT | 3E | - | 40 RSYM | 42 M2C | 44 SLINE | 46 DSLINE | - | 48 BSLINE*| 4A DEFD | 4C | 4E | - | 50 EHDECL*| 52 | 54 CATCH | 56 | - | 58 | 5A | 5C | 5E | - | 60 SSYM | 62 | 64 SO | 66 | - | 68 | 6A | 6C | 6E | - | 70 | 72 | 74 | 76 | - | 78 | 7A | 7C | 7E | - | 80 LSYM | 82 BINCL | 84 SOL | 86 | - | 88 | 8A | 8C | 8E | - | 90 | 92 | 94 | 96 | - | 98 | 9A | 9C | 9E | - | A0 PSYM | A2 EINCL | A4 ENTRY | A6 | - | A8 | AA | AC | AE | - | B0 | B2 | B4 | B6 | - | B8 | BA | BC | BE | - | C0 LBRAC | C2 EXCL | C4 SCOPE | C6 | - | C8 | CA | CC | CE | - | D0 | D2 | D4 | D6 | - | D8 | DA | DC | DE | - | E0 RBRAC | E2 BCOMM | E4 ECOMM | E6 | - | E8 ECOML | EA | EC | EE | - | F0 | F2 | F4 | F6 | - | F8 | FA | FC | FE LENG | - +-----------------------------------------------+ - * 50 EHDECL is also MOD2. - * 48 BSLINE is also BROWS. - */ diff --git a/src/stab.h b/src/stab.h deleted file mode 100644 index 80bd594..0000000 --- a/src/stab.h +++ /dev/null @@ -1,17 +0,0 @@ -#ifndef __GNU_STAB__ - -/* Indicate the GNU stab.h is in use. */ - -#define __GNU_STAB__ - -#define __define_stab(NAME, CODE, STRING) NAME=CODE, - -enum __stab_debug_code -{ -#include "stab.def" -LAST_UNUSED_STAB_CODE -}; - -#undef __define_stab - -#endif /* __GNU_STAB_ */ diff --git a/src/tcc.c b/src/tcc.c deleted file mode 100644 index cce9699..0000000 --- a/src/tcc.c +++ /dev/null @@ -1,365 +0,0 @@ -/* - * TCC - Tiny C Compiler - * - * Copyright (c) 2001-2004 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifdef ONE_SOURCE -#include "libtcc.c" -#else -#include "tcc.h" -#endif - -static void print_paths(const char *msg, char **paths, int nb_paths) -{ - int i; - printf("%s:\n%s", msg, nb_paths ? "" : " -\n"); - for(i = 0; i < nb_paths; i++) - printf(" %s\n", paths[i]); -} - -static void display_info(TCCState *s, int what) -{ - switch (what) { - case 0: - printf("tcc version %s (" -#ifdef TCC_TARGET_I386 - "i386" -#elif defined TCC_TARGET_X86_64 - "x86-64" -#elif defined TCC_TARGET_C67 - "C67" -#elif defined TCC_TARGET_ARM - "ARM" -# ifdef TCC_ARM_HARDFLOAT - " Hard Float" -# endif -#elif defined TCC_TARGET_ARM64 - "AArch64" -# ifdef TCC_ARM_HARDFLOAT - " Hard Float" -# endif -#endif -#ifdef TCC_TARGET_PE - " Windows" -#else - " Linux" -#endif - ")\n", TCC_VERSION); - break; - case 1: - printf("install: %s\n", s->tcc_lib_path); - /* print_paths("programs", NULL, 0); */ - print_paths("include", s->sysinclude_paths, s->nb_sysinclude_paths); - print_paths("libraries", s->library_paths, s->nb_library_paths); -#ifndef TCC_TARGET_PE - print_paths("crt", s->crt_paths, s->nb_crt_paths); - printf("elfinterp:\n %s\n", DEFAULT_ELFINTERP(s)); -#endif - break; - } -} - -static void help(void) -{ - printf("Tiny C Compiler "TCC_VERSION" - Copyright (C) 2001-2006 Fabrice Bellard\n" - "Usage: tcc [options...] [-o outfile] [-c] infile(s)...\n" - " tcc [options...] -run infile [arguments...]\n" - "General options:\n" - " -c compile only - generate an object file\n" - " -o outfile set output filename\n" - " -run run compiled source\n" - " -fflag set or reset (with 'no-' prefix) 'flag' (see man page)\n" - " -Wwarning set or reset (with 'no-' prefix) 'warning' (see man page)\n" - " -w disable all warnings\n" - " -v show version\n" - " -vv show included files (as sole argument: show search paths)\n" - " -dumpversion\n" - " -bench show compilation statistics\n" - "Preprocessor options:\n" - " -Idir add include path 'dir'\n" - " -Dsym[=val] define 'sym' with value 'val'\n" - " -Usym undefine 'sym'\n" - " -E preprocess only\n" - " -P[1] no/alternative output of #line directives with -E\n" - " -dD dump defines\n" - "Linker options:\n" - " -Ldir add library path 'dir'\n" - " -llib link with dynamic or static library 'lib'\n" - " -pthread link with -lpthread and -D_REENTRANT (POSIX Linux)\n" - " -r generate (relocatable) object file\n" - " -rdynamic export all global symbols to dynamic linker\n" - " -shared generate a shared library\n" - " -soname set name for shared library to be used at runtime\n" - " -static static linking\n" - " -Wl,-opt[=val] set linker option (see manual)\n" - "Debugger options:\n" - " -g generate runtime debug info\n" -#ifdef CONFIG_TCC_BCHECK - " -b compile with built-in memory and bounds checker (implies -g)\n" -#endif -#ifdef CONFIG_TCC_BACKTRACE - " -bt N show N callers in stack traces\n" -#endif - "Misc options:\n" - " -nostdinc do not use standard system include paths\n" - " -nostdlib do not link with standard crt and libraries\n" - " -Bdir use 'dir' as tcc internal library and include path\n" - " -MD generate target dependencies for make\n" - " -MF depfile put generated dependencies here\n" - ); -} - -/* re-execute the i386/x86_64 cross-compilers with tcc -m32/-m64: */ -#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 -#ifdef _WIN32 -#include -static int execvp_win32(const char *prog, char **argv) -{ - int ret = spawnvp(P_NOWAIT, prog, (const char *const*)argv); - if (-1 == ret) - return ret; - cwait(&ret, ret, WAIT_CHILD); - exit(ret); -} -#define execvp execvp_win32 -#endif -static void exec_other_tcc(TCCState *s, char **argv, const char *optarg) -{ - char child_path[4096], *child_name; const char *target; - switch (atoi(optarg)) { -#ifdef TCC_TARGET_I386 - case 32: break; - case 64: target = "x86_64"; -#else - case 64: break; - case 32: target = "i386"; -#endif - pstrcpy(child_path, sizeof child_path - 40, argv[0]); - child_name = tcc_basename(child_path); - strcpy(child_name, target); -#ifdef TCC_TARGET_PE - strcat(child_name, "-win32"); -#endif - strcat(child_name, "-tcc"); - if (strcmp(argv[0], child_path)) { - if (s->verbose > 0) - printf("tcc: using '%s'\n", child_name), fflush(stdout); - execvp(argv[0] = child_path, argv); - } - tcc_error("'%s' not found", child_name); - case 0: /* ignore -march etc. */ - break; - default: - tcc_warning("unsupported option \"-m%s\"", optarg); - } -} -#else -#define exec_other_tcc(s, argv, optarg) -#endif - -static void gen_makedeps(TCCState *s, const char *target, const char *filename) -{ - FILE *depout; - char buf[1024], *ext; - int i; - - if (!filename) { - /* compute filename automatically - * dir/file.o -> dir/file.d */ - pstrcpy(buf, sizeof(buf), target); - ext = tcc_fileextension(buf); - pstrcpy(ext, sizeof(buf) - (ext-buf), ".d"); - filename = buf; - } - - if (s->verbose) - printf("<- %s\n", filename); - - /* XXX return err codes instead of error() ? */ - depout = fopen(filename, "w"); - if (!depout) - tcc_error("could not open '%s'", filename); - - fprintf(depout, "%s : \\\n", target); - for (i=0; inb_target_deps; ++i) - fprintf(depout, " %s \\\n", s->target_deps[i]); - fprintf(depout, "\n"); - fclose(depout); -} - -static char *default_outputfile(TCCState *s, const char *first_file) -{ - char buf[1024]; - char *ext; - const char *name = "a"; - - if (first_file && strcmp(first_file, "-")) - name = tcc_basename(first_file); - pstrcpy(buf, sizeof(buf), name); - ext = tcc_fileextension(buf); -#ifdef TCC_TARGET_PE - if (s->output_type == TCC_OUTPUT_DLL) - strcpy(ext, ".dll"); - else - if (s->output_type == TCC_OUTPUT_EXE) - strcpy(ext, ".exe"); - else -#endif - if (( (s->output_type == TCC_OUTPUT_OBJ && !s->option_r) || - (s->output_type == TCC_OUTPUT_PREPROCESS) ) - && *ext) - strcpy(ext, ".o"); - else - strcpy(buf, "a.out"); - - return tcc_strdup(buf); -} - -static int64_t getclock_us(void) -{ -#ifdef _WIN32 - struct _timeb tb; - _ftime(&tb); - return (tb.time * 1000LL + tb.millitm) * 1000LL; -#else - struct timeval tv; - gettimeofday(&tv, NULL); - return tv.tv_sec * 1000000LL + tv.tv_usec; -#endif -} - -int main(int argc, char **argv) -{ - TCCState *s; - int ret, optind, i; - int64_t start_time = 0; - - s = tcc_new(); - - optind = tcc_parse_args(s, argc - 1, argv + 1); - - if (s->do_bench) - start_time = getclock_us(); - - tcc_set_environment(s); - - if (optind == 0) { - help(); - return 1; - } - - if (s->option_m) - exec_other_tcc(s, argv, s->option_m); - - if (s->verbose) - display_info(s, 0); - - if (s->print_search_dirs || (s->verbose == 2 && optind == 1)) { - tcc_set_output_type(s, TCC_OUTPUT_MEMORY); - display_info(s, 1); - return 0; - } - - if (s->verbose && optind == 1) - return 0; - - if (s->nb_files == 0) - tcc_error("no input files\n"); - - /* check -c consistency : only single file handled. XXX: checks file type */ - if (s->output_type == TCC_OUTPUT_OBJ && !s->option_r) { - if (s->nb_libraries != 0) - tcc_error("cannot specify libraries with -c"); - /* accepts only a single input file */ - if ((s->nb_files != 1) && s->outfile) { - tcc_error("cannot specify multiple files with -c and -o"); - } - } - - if (s->output_type == TCC_OUTPUT_PREPROCESS) { - if (!s->outfile) { - s->ppfp = stdout; - } else { - s->ppfp = fopen(s->outfile, "w"); - if (!s->ppfp) - tcc_error("could not write '%s'", s->outfile); - } - } - - tcc_set_output_type(s, s->output_type); - - /* compile or add each files or library */ - for(i = ret = 0; i < s->nb_files && ret == 0; i++) { - int filetype = *(unsigned char *)s->files[i]; - const char *filename = s->files[i] + 1; - if (filename[0] == '-' && filename[1] == 'l') { - if (tcc_add_library(s, filename + 2) < 0) { - tcc_error_noabort("cannot find library 'lib%s'", filename+2); - ret = 1; - } - } else { - if (1 == s->verbose) - printf("-> %s\n", filename); - if (!s->outfile) - s->outfile = default_outputfile(s, filename); - if (tcc_add_file(s, filename, filetype) < 0) - ret = 1; - else - if (s->output_type == TCC_OUTPUT_OBJ) { - ret = !!tcc_output_file(s, s->outfile); - if (s->gen_deps && !ret) - gen_makedeps(s, s->outfile, s->deps_outfile); - if (!ret) { - if ((i+1) < s->nb_files) { - tcc_delete(s); - s = tcc_new(); - tcc_parse_args(s, argc - 1, argv + 1); - tcc_set_environment(s); - if (s->output_type != TCC_OUTPUT_OBJ) - tcc_error("interlnal error"); - tcc_set_output_type(s, s->output_type); - } - } - } - } - } - - if (0 == ret) { - if (s->output_type == TCC_OUTPUT_MEMORY) { -#ifdef TCC_IS_NATIVE - ret = tcc_run(s, argc - 1 - optind, argv + 1 + optind); -#else - tcc_error_noabort("-run is not available in a cross compiler"); - ret = 1; -#endif - } else - if (s->output_type == TCC_OUTPUT_EXE || - s->output_type == TCC_OUTPUT_DLL) - { - ret = !!tcc_output_file(s, s->outfile); - if (s->gen_deps && !ret) - gen_makedeps(s, s->outfile, s->deps_outfile); - } - } - - if (s->do_bench) - tcc_print_stats(s, getclock_us() - start_time); - - tcc_delete(s); - return ret; -} diff --git a/src/tcc.h b/src/tcc.h deleted file mode 100644 index eb0365d..0000000 --- a/src/tcc.h +++ /dev/null @@ -1,1498 +0,0 @@ -/* - * TCC - Tiny C Compiler - * - * Copyright (c) 2001-2004 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef _TCC_H -#define _TCC_H - -#define _GNU_SOURCE -#include "config.h" - -#ifdef CONFIG_TCCBOOT -#include "tccboot.h" -#define CONFIG_TCC_STATIC -#else - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#ifdef CONFIG_TCCASSERT -#include -#define TCC_ASSERT(ex) assert(ex) -#else -#define TCC_ASSERT(ex) -#endif - -#ifndef _WIN32 -# include -# include -# include -# include -# ifndef CONFIG_TCC_STATIC -# include -# endif -/* XXX: need to define this to use them in non ISOC99 context */ - extern float strtof (const char *__nptr, char **__endptr); - extern long double strtold (const char *__nptr, char **__endptr); -#else /* on _WIN32: */ -# include -# include -# include /* open, close etc. */ -# include /* getcwd */ -# ifdef __GNUC__ -# include -# endif -# define inline __inline -# define inp next_inp -# define snprintf _snprintf -# define vsnprintf _vsnprintf -# ifndef __GNUC__ -# define strtold (long double)strtod -# define strtof (float)strtod -# define strtoll _strtoi64 -# define strtoull _strtoui64 -# endif -# ifdef LIBTCC_AS_DLL -# define LIBTCCAPI __declspec(dllexport) -# define PUB_FUNC LIBTCCAPI -# endif -#endif - -#endif /* !CONFIG_TCCBOOT */ - -#ifndef O_BINARY -# define O_BINARY 0 -#endif - -#ifdef __GNUC__ -# define NORETURN __attribute__ ((noreturn)) -#elif defined _MSC_VER -# define NORETURN __declspec(noreturn) -#else -# define NORETURN -#endif - -#ifdef _WIN32 -# define IS_DIRSEP(c) (c == '/' || c == '\\') -# define IS_ABSPATH(p) (IS_DIRSEP(p[0]) || (p[0] && p[1] == ':' && IS_DIRSEP(p[2]))) -# define PATHCMP stricmp -#else -# define IS_DIRSEP(c) (c == '/') -# define IS_ABSPATH(p) IS_DIRSEP(p[0]) -# define PATHCMP strcmp -#endif - -#ifdef TCC_TARGET_PE -#define PATHSEP ';' -#else -#define PATHSEP ':' -#endif - -#include "elf.h" -#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) -# define ELFCLASSW ELFCLASS64 -# define ElfW(type) Elf##64##_##type -# define ELFW(type) ELF##64##_##type -# define ElfW_Rel ElfW(Rela) -# define SHT_RELX SHT_RELA -# define REL_SECTION_FMT ".rela%s" -/* XXX: DLL with PLT would only work with x86-64 for now */ -# define TCC_OUTPUT_DLL_WITH_PLT -#else -# define ELFCLASSW ELFCLASS32 -# define ElfW(type) Elf##32##_##type -# define ELFW(type) ELF##32##_##type -# define ElfW_Rel ElfW(Rel) -# define SHT_RELX SHT_REL -# define REL_SECTION_FMT ".rel%s" -#endif - -/* target address type */ -#define addr_t ElfW(Addr) - -#include "stab.h" -#include "libtcc.h" - -/* parser debug */ -/* #define PARSE_DEBUG */ -/* preprocessor debug */ -/* #define PP_DEBUG */ -/* include file debug */ -/* #define INC_DEBUG */ -/* memory leak debug */ -/* #define MEM_DEBUG */ -/* assembler debug */ -/* #define ASM_DEBUG */ - -/* target selection */ -/* #define TCC_TARGET_I386 *//* i386 code generator */ -/* #define TCC_TARGET_ARM *//* ARMv4 code generator */ -/* #define TCC_TARGET_ARM64 *//* ARMv8 code generator */ -/* #define TCC_TARGET_C67 *//* TMS320C67xx code generator */ -/* #define TCC_TARGET_X86_64 *//* x86-64 code generator */ - -/* default target is I386 */ -#if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \ - !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_C67) && \ - !defined(TCC_TARGET_X86_64) -#define TCC_TARGET_I386 -#endif - -#if !defined(TCC_UCLIBC) && !defined(TCC_TARGET_ARM) && \ - !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_C67) && \ - !defined(CONFIG_USE_LIBGCC) -#define CONFIG_TCC_BCHECK /* enable bound checking code */ -#endif - -/* define it to include assembler support */ -#if !defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_ARM64) && \ - !defined(TCC_TARGET_C67) -#define CONFIG_TCC_ASM -#endif - -/* object format selection */ -#if defined(TCC_TARGET_C67) -#define TCC_TARGET_COFF -#endif - -/* only native compiler supports -run */ -#if defined _WIN32 == defined TCC_TARGET_PE -# if (defined __i386__ || defined _X86_) && defined TCC_TARGET_I386 -# define TCC_IS_NATIVE -# elif (defined __x86_64__ || defined _AMD64_) && defined TCC_TARGET_X86_64 -# define TCC_IS_NATIVE -# elif defined __arm__ && defined TCC_TARGET_ARM -# define TCC_IS_NATIVE -# elif defined __aarch64__ && defined TCC_TARGET_ARM64 -# define TCC_IS_NATIVE -# endif -#endif - -#if defined TCC_IS_NATIVE && !defined CONFIG_TCCBOOT -# define CONFIG_TCC_BACKTRACE -#endif - -/* ------------ path configuration ------------ */ - -#ifndef CONFIG_SYSROOT -# define CONFIG_SYSROOT "" -#endif -#ifndef CONFIG_TCCDIR -# define CONFIG_TCCDIR "." -#endif -#ifndef CONFIG_LDDIR -# ifdef TCC_TARGET_X86_64 -# define CONFIG_LDDIR "lib64" -# else -# define CONFIG_LDDIR "lib" -# endif -#endif - -#ifdef CONFIG_MULTIARCHDIR -# define USE_MUADIR(s) s "/" CONFIG_MULTIARCHDIR -# define ALSO_MUADIR(s) s "/" CONFIG_MULTIARCHDIR ":" s -#else -# define USE_MUADIR(s) s -# define ALSO_MUADIR(s) s -#endif - -/* path to find crt1.o, crti.o and crtn.o */ -#ifndef CONFIG_TCC_CRTPREFIX -# define CONFIG_TCC_CRTPREFIX USE_MUADIR(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR) -#endif - -/* Below: {B} is substituted by CONFIG_TCCDIR (rsp. -B option) */ - -/* system include paths */ -#ifndef CONFIG_TCC_SYSINCLUDEPATHS -# ifdef TCC_TARGET_PE -# define CONFIG_TCC_SYSINCLUDEPATHS "{B}/include;{B}/include/winapi" -# else -# define CONFIG_TCC_SYSINCLUDEPATHS \ - ALSO_MUADIR(CONFIG_SYSROOT "/usr/local/include") \ - ":" ALSO_MUADIR(CONFIG_SYSROOT "/usr/include") \ - ":" "{B}/include" -# endif -#endif - -/* library search paths */ -#ifndef CONFIG_TCC_LIBPATHS -# ifdef TCC_TARGET_PE -# define CONFIG_TCC_LIBPATHS "{B}/lib" -# else -# define CONFIG_TCC_LIBPATHS \ - ALSO_MUADIR(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR) \ - ":" ALSO_MUADIR(CONFIG_SYSROOT "/" CONFIG_LDDIR) \ - ":" ALSO_MUADIR(CONFIG_SYSROOT "/usr/local/" CONFIG_LDDIR) -# endif -#endif - -/* name of ELF interpreter */ -#ifndef CONFIG_TCC_ELFINTERP -# if defined __FreeBSD__ -# define CONFIG_TCC_ELFINTERP "/libexec/ld-elf.so.1" -# elif defined __FreeBSD_kernel__ -# if defined(TCC_TARGET_X86_64) -# define CONFIG_TCC_ELFINTERP "/lib/ld-kfreebsd-x86-64.so.1" -# else -# define CONFIG_TCC_ELFINTERP "/lib/ld.so.1" -# endif -# elif defined __DragonFly__ -# define CONFIG_TCC_ELFINTERP "/usr/libexec/ld-elf.so.2" -# elif defined __GNU__ -# define CONFIG_TCC_ELFINTERP "/lib/ld.so" -# elif defined(TCC_TARGET_PE) -# define CONFIG_TCC_ELFINTERP "-" -# elif defined(TCC_UCLIBC) -# define CONFIG_TCC_ELFINTERP "/lib/ld-uClibc.so.0" /* is there a uClibc for x86_64 ? */ -# elif defined TCC_TARGET_ARM64 -# define CONFIG_TCC_ELFINTERP "/lib/ld-linux-aarch64.so.1" -# elif defined(TCC_TARGET_X86_64) -# define CONFIG_TCC_ELFINTERP "/lib64/ld-linux-x86-64.so.2" -# elif !defined(TCC_ARM_EABI) -# define CONFIG_TCC_ELFINTERP "/lib/ld-linux.so.2" -# endif -#endif - -/* var elf_interp dans *-gen.c */ -#ifdef CONFIG_TCC_ELFINTERP -# define DEFAULT_ELFINTERP(s) CONFIG_TCC_ELFINTERP -#else -# define DEFAULT_ELFINTERP(s) default_elfinterp(s) -#endif - -/* library to use with CONFIG_USE_LIBGCC instead of libtcc1.a */ -#define TCC_LIBGCC USE_MUADIR(CONFIG_SYSROOT "/" CONFIG_LDDIR) "/libgcc_s.so.1" - -/* -------------------------------------------- */ -/* include the target specific definitions */ - -#define TARGET_DEFS_ONLY -#ifdef TCC_TARGET_I386 -# include "x86/i386-gen.c" -#endif -#ifdef TCC_TARGET_X86_64 -# include "x86/x86_64-gen.c" -#endif -#ifdef TCC_TARGET_ARM -# include "arm/arm-gen.c" -#endif -#ifdef TCC_TARGET_ARM64 -# include "arm/arm64-gen.c" -#endif -#ifdef TCC_TARGET_C67 -# include "coff.h" -# include "tms320c67c67-gen.c" -#endif -#undef TARGET_DEFS_ONLY - -/* -------------------------------------------- */ - -#define INCLUDE_STACK_SIZE 32 -#define IFDEF_STACK_SIZE 64 -#define VSTACK_SIZE 256 -#define STRING_MAX_SIZE 1024 -#define PACK_STACK_SIZE 8 - -#define TOK_HASH_SIZE 8192 /* must be a power of two */ -#define TOK_ALLOC_INCR 512 /* must be a power of two */ -#define TOK_MAX_SIZE 4 /* token max size in int unit when stored in string */ - -/* token symbol management */ -typedef struct TokenSym { - struct TokenSym *hash_next; - struct Sym *sym_define; /* direct pointer to define */ - struct Sym *sym_label; /* direct pointer to label */ - struct Sym *sym_struct; /* direct pointer to structure */ - struct Sym *sym_identifier; /* direct pointer to identifier */ - int tok; /* token number */ - int len; - char str[1]; -} TokenSym; - -#ifdef TCC_TARGET_PE -typedef unsigned short nwchar_t; -#else -typedef int nwchar_t; -#endif - -typedef struct CString { - int size; /* size in bytes */ - void *data; /* either 'char *' or 'nwchar_t *' */ - int size_allocated; - void *data_allocated; /* if non NULL, data has been malloced */ -} CString; - -/* type definition */ -typedef struct CType { - int t; - struct Sym *ref; -} CType; - -/* constant value */ -typedef union CValue { - long double ld; - double d; - float f; - int i; - unsigned int ui; - unsigned int ul; /* address (should be unsigned long on 64 bit cpu) */ - long long ll; - unsigned long long ull; - struct CString *cstr; - addr_t ptr_offset; - int tab[LDOUBLE_SIZE/4]; -} CValue; - -/* value on stack */ -typedef struct SValue { - CType type; /* type */ - unsigned short r; /* register + flags */ - unsigned short r2; /* second register, used for 'long long' - type. If not used, set to VT_CONST */ - CValue c; /* constant, if VT_CONST */ - struct Sym *sym; /* symbol, if (VT_SYM | VT_CONST) */ -} SValue; - -struct Attribute { - unsigned - func_call : 3, /* calling convention (0..5), see below */ - aligned : 5, /* alignement (0..16) */ - packed : 1, - func_export : 1, - func_import : 1, - func_args : 5, - func_proto : 1, - mode : 4, - weak : 1, - visibility : 2, - fill : 8; // 8 bits left to fit well in union below -}; - -/* GNUC attribute definition */ -typedef struct AttributeDef { - struct Attribute a; - struct Section *section; - int alias_target; /* token */ -} AttributeDef; - -/* symbol management */ -typedef struct Sym { - int v; /* symbol token */ - char *asm_label; /* associated asm label */ - union { - long r; /* associated register */ - struct Attribute a; - }; - union { - long c; /* associated number */ - int *d; /* define token stream */ - }; - CType type; /* associated type */ - union { - struct Sym *next; /* next related symbol */ - long jnext; /* next jump label */ - }; - struct Sym *prev; /* prev symbol in stack */ - struct Sym *prev_tok; /* previous symbol for this token */ -} Sym; - -/* section definition */ -/* XXX: use directly ELF structure for parameters ? */ -/* special flag to indicate that the section should not be linked to - the other ones */ -#define SHF_PRIVATE 0x80000000 - -/* special flag, too */ -#define SECTION_ABS ((void *)1) - -typedef struct Section { - unsigned long data_offset; /* current data offset */ - unsigned char *data; /* section data */ - unsigned long data_allocated; /* used for realloc() handling */ - int sh_name; /* elf section name (only used during output) */ - int sh_num; /* elf section number */ - int sh_type; /* elf section type */ - int sh_flags; /* elf section flags */ - int sh_info; /* elf section info */ - int sh_addralign; /* elf section alignment */ - int sh_entsize; /* elf entry size */ - unsigned long sh_size; /* section size (only used during output) */ - addr_t sh_addr; /* address at which the section is relocated */ - unsigned long sh_offset; /* file offset */ - int nb_hashed_syms; /* used to resize the hash table */ - struct Section *link; /* link to another section */ - struct Section *reloc; /* corresponding section for relocation, if any */ - struct Section *hash; /* hash table for symbols */ - struct Section *next; - char name[1]; /* section name */ -} Section; - -typedef struct DLLReference { - int level; - void *handle; - char name[1]; -} DLLReference; - -/* -------------------------------------------------- */ - -#define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */ -#define SYM_FIELD 0x20000000 /* struct/union field symbol space */ -#define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */ - -/* stored in 'Sym.c' field */ -#define FUNC_NEW 1 /* ansi function prototype */ -#define FUNC_OLD 2 /* old function prototype */ -#define FUNC_ELLIPSIS 3 /* ansi function prototype with ... */ - -/* stored in 'Sym.r' field */ -#define FUNC_CDECL 0 /* standard c call */ -#define FUNC_STDCALL 1 /* pascal c call */ -#define FUNC_FASTCALL1 2 /* first param in %eax */ -#define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */ -#define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */ -#define FUNC_FASTCALLW 5 /* first parameter in %ecx, %edx */ - -/* field 'Sym.t' for macros */ -#define MACRO_OBJ 0 /* object like macro */ -#define MACRO_FUNC 1 /* function like macro */ - -/* field 'Sym.r' for C labels */ -#define LABEL_DEFINED 0 /* label is defined */ -#define LABEL_FORWARD 1 /* label is forward defined */ -#define LABEL_DECLARED 2 /* label is declared but never used */ - -/* type_decl() types */ -#define TYPE_ABSTRACT 1 /* type without variable */ -#define TYPE_DIRECT 2 /* type with variable */ - -#define IO_BUF_SIZE 8192 - -typedef struct BufferedFile { - uint8_t *buf_ptr; - uint8_t *buf_end; - int fd; - struct BufferedFile *prev; - int line_num; /* current line number - here to simplify code */ - int line_ref; /* tcc -E: last printed line */ - int ifndef_macro; /* #ifndef macro / #endif search */ - int ifndef_macro_saved; /* saved ifndef_macro */ - int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */ - char filename[1024]; /* filename */ - unsigned char unget[4]; - unsigned char buffer[1]; /* extra size for CH_EOB char */ -} BufferedFile; - -#define CH_EOB '\\' /* end of buffer or '\0' char in file */ -#define CH_EOF (-1) /* end of file */ - -/* parsing state (used to save parser state to reparse part of the - source several times) */ -typedef struct ParseState { - const int *macro_ptr; - int line_num; - int tok; - CValue tokc; -} ParseState; - -/* used to record tokens */ -typedef struct TokenString { - int *str; - int len; - int allocated_len; - int last_line_num; - /* used to chain token-strings with begin/end_macro() */ - struct TokenString *prev; - const int *prev_ptr; - char alloc; -} TokenString; - -/* inline functions */ -typedef struct InlineFunc { - TokenString func_str; - Sym *sym; - char filename[1]; -} InlineFunc; - -/* include file cache, used to find files faster and also to eliminate - inclusion if the include file is protected by #ifndef ... #endif */ -typedef struct CachedInclude { - int ifndef_macro; - int hash_next; /* -1 if none */ - char filename[1]; /* path specified in #include */ -} CachedInclude; - -#define CACHED_INCLUDES_HASH_SIZE 512 - -#ifdef CONFIG_TCC_ASM -typedef struct ExprValue { - uint32_t v; - Sym *sym; -} ExprValue; - -#define MAX_ASM_OPERANDS 30 -typedef struct ASMOperand { - int id; /* GCC 3 optionnal identifier (0 if number only supported */ - char *constraint; - char asm_str[16]; /* computed asm string for operand */ - SValue *vt; /* C value of the expression */ - int ref_index; /* if >= 0, gives reference to a output constraint */ - int input_index; /* if >= 0, gives reference to an input constraint */ - int priority; /* priority, used to assign registers */ - int reg; /* if >= 0, register number used for this operand */ - int is_llong; /* true if double register value */ - int is_memory; /* true if memory operand */ - int is_rw; /* for '+' modifier */ -} ASMOperand; -#endif - -struct sym_attr { - unsigned long got_offset; - unsigned long plt_offset; -#ifdef TCC_TARGET_ARM - unsigned char plt_thumb_stub:1; -#endif -}; - -struct TCCState { - - int verbose; /* if true, display some information during compilation */ - int nostdinc; /* if true, no standard headers are added */ - int nostdlib; /* if true, no standard libraries are added */ - int nocommon; /* if true, do not use common symbols for .bss data */ - int static_link; /* if true, static linking is performed */ - int rdynamic; /* if true, all symbols are exported */ - int symbolic; /* if true, resolve symbols in the current module first */ - int alacarte_link; /* if true, only link in referenced objects from archive */ - - char *tcc_lib_path; /* CONFIG_TCCDIR or -B option */ - char *soname; /* as specified on the command line (-soname) */ - char *rpath; /* as specified on the command line (-Wl,-rpath=) */ - - /* output type, see TCC_OUTPUT_XXX */ - int output_type; - /* output format, see TCC_OUTPUT_FORMAT_xxx */ - int output_format; - - /* C language options */ - int char_is_unsigned; - int leading_underscore; - int ms_extensions; /* allow nested named struct w/o identifier behave like unnamed */ - int old_struct_init_code; /* use old algorithm to init array in struct when there is no '{' used. - Liuux 2.4.26 can't find initrd when compiled with a new algorithm */ - int dollars_in_identifiers; /* allows '$' char in indentifiers */ - - /* warning switches */ - int warn_write_strings; - int warn_unsupported; - int warn_error; - int warn_none; - int warn_implicit_function_declaration; - - /* compile with debug symbol (and use them if error during execution) */ - int do_debug; - int do_strip; -#ifdef CONFIG_TCC_BCHECK - /* compile with built-in memory and bounds checker */ - int do_bounds_check; -#endif -#ifdef TCC_TARGET_ARM - enum float_abi float_abi; /* float ABI of the generated code*/ -#endif - - addr_t text_addr; /* address of text section */ - int has_text_addr; - - unsigned long section_align; /* section alignment */ - - char *init_symbol; /* symbols to call at load-time (not used currently) */ - char *fini_symbol; /* symbols to call at unload-time (not used currently) */ - -#ifdef TCC_TARGET_I386 - int seg_size; /* 32. Can be 16 with i386 assembler (.code16) */ -#endif - - /* array of all loaded dlls (including those referenced by loaded dlls) */ - DLLReference **loaded_dlls; - int nb_loaded_dlls; - - /* include paths */ - char **include_paths; - int nb_include_paths; - - char **sysinclude_paths; - int nb_sysinclude_paths; - - /* library paths */ - char **library_paths; - int nb_library_paths; - - /* crt?.o object path */ - char **crt_paths; - int nb_crt_paths; - - /* error handling */ - void *error_opaque; - void (*error_func)(void *opaque, const char *msg); - int error_set_jmp_enabled; - jmp_buf error_jmp_buf; - int nb_errors; - - /* output file for preprocessing (-E) */ - FILE *ppfp; - enum { - LINE_MACRO_OUTPUT_FORMAT_GCC, - LINE_MACRO_OUTPUT_FORMAT_NONE, - LINE_MACRO_OUTPUT_FORMAT_STD, - } Pflag; /* -P switch */ - int dflag; /* -dX value */ - - /* for -MD/-MF: collected dependencies for this compilation */ - char **target_deps; - int nb_target_deps; - - /* compilation */ - BufferedFile *include_stack[INCLUDE_STACK_SIZE]; - BufferedFile **include_stack_ptr; - - int ifdef_stack[IFDEF_STACK_SIZE]; - int *ifdef_stack_ptr; - - /* included files enclosed with #ifndef MACRO */ - int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE]; - CachedInclude **cached_includes; - int nb_cached_includes; - - /* #pragma pack stack */ - int pack_stack[PACK_STACK_SIZE]; - int *pack_stack_ptr; - char **pragma_libs; - int nb_pragma_libs; - - /* inline functions are stored as token lists and compiled last - only if referenced */ - struct InlineFunc **inline_fns; - int nb_inline_fns; - - /* sections */ - Section **sections; - int nb_sections; /* number of sections, including first dummy section */ - - Section **priv_sections; - int nb_priv_sections; /* number of private sections */ - - /* got & plt handling */ - Section *got; - Section *plt; - struct sym_attr *sym_attrs; - int nb_sym_attrs; - /* give the correspondance from symtab indexes to dynsym indexes */ - int *symtab_to_dynsym; - - /* temporary dynamic symbol sections (for dll loading) */ - Section *dynsymtab_section; - /* exported dynamic symbol section */ - Section *dynsym; - /* copy of the gobal symtab_section variable */ - Section *symtab; - /* tiny assembler state */ - Sym *asm_labels; - -#ifdef TCC_TARGET_PE - /* PE info */ - int pe_subsystem; - unsigned pe_file_align; - unsigned pe_stack_size; -# ifdef TCC_TARGET_X86_64 - Section *uw_pdata; - int uw_sym; - unsigned uw_offs; -# endif -#endif - -#ifdef TCC_IS_NATIVE - const char *runtime_main; - /* for tcc_relocate */ - void *runtime_mem; -# ifdef HAVE_SELINUX - void *write_mem; - unsigned long mem_size; -# endif -#endif - - /* used by main and tcc_parse_args only */ - char **files; /* files seen on command line */ - int nb_files; /* number thereof */ - int nb_libraries; /* number of libs thereof */ - char *outfile; /* output filename */ - char *option_m; /* only -m32/-m64 handled */ - int print_search_dirs; /* option */ - int option_r; /* option -r */ - int do_bench; /* option -bench */ - int gen_deps; /* option -MD */ - char *deps_outfile; /* option -MF */ -}; - -/* The current value can be: */ -#define VT_VALMASK 0x003f /* mask for value location, register or: */ -#define VT_CONST 0x0030 /* constant in vc (must be first non register value) */ -#define VT_LLOCAL 0x0031 /* lvalue, offset on stack */ -#define VT_LOCAL 0x0032 /* offset on stack */ -#define VT_CMP 0x0033 /* the value is stored in processor flags (in vc) */ -#define VT_JMP 0x0034 /* value is the consequence of jmp true (even) */ -#define VT_JMPI 0x0035 /* value is the consequence of jmp false (odd) */ -#define VT_REF 0x0040 /* value is pointer to structure rather than address */ -#define VT_LVAL 0x0100 /* var is an lvalue */ -#define VT_SYM 0x0200 /* a symbol value is added */ -#define VT_MUSTCAST 0x0400 /* value must be casted to be correct (used for - char/short stored in integer registers) */ -#define VT_MUSTBOUND 0x0800 /* bound checking must be done before - dereferencing value */ -#define VT_BOUNDED 0x8000 /* value is bounded. The address of the - bounding function call point is in vc */ -#define VT_LVAL_BYTE 0x1000 /* lvalue is a byte */ -#define VT_LVAL_SHORT 0x2000 /* lvalue is a short */ -#define VT_LVAL_UNSIGNED 0x4000 /* lvalue is unsigned */ -#define VT_LVAL_TYPE (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED) - -/* types */ -#define VT_BTYPE 0x000f /* mask for basic type */ -#define VT_INT 0 /* integer type */ -#define VT_BYTE 1 /* signed byte type */ -#define VT_SHORT 2 /* short type */ -#define VT_VOID 3 /* void type */ -#define VT_PTR 4 /* pointer */ -#define VT_ENUM 5 /* enum definition */ -#define VT_FUNC 6 /* function type */ -#define VT_STRUCT 7 /* struct/union definition */ -#define VT_FLOAT 8 /* IEEE float */ -#define VT_DOUBLE 9 /* IEEE double */ -#define VT_LDOUBLE 10 /* IEEE long double */ -#define VT_BOOL 11 /* ISOC99 boolean type */ -#define VT_LLONG 12 /* 64 bit integer */ -#define VT_LONG 13 /* long integer (NEVER USED as type, only - during parsing) */ -#define VT_QLONG 14 /* 128-bit integer. No longer used. */ -#define VT_QFLOAT 15 /* 128-bit float. No longer used. */ -#define VT_UNSIGNED 0x0010 /* unsigned type */ -#define VT_ARRAY 0x0020 /* array type (also has VT_PTR) */ -#define VT_BITFIELD 0x0040 /* bitfield modifier */ -#define VT_CONSTANT 0x0800 /* const modifier */ -#define VT_VOLATILE 0x1000 /* volatile modifier */ -#define VT_DEFSIGN 0x2000 /* signed type */ -#define VT_VLA 0x00020000 /* VLA type (also has VT_PTR and VT_ARRAY) */ - -/* storage */ -#define VT_EXTERN 0x00000080 /* extern definition */ -#define VT_STATIC 0x00000100 /* static variable */ -#define VT_TYPEDEF 0x00000200 /* typedef definition */ -#define VT_INLINE 0x00000400 /* inline definition */ -#define VT_IMPORT 0x00004000 /* win32: extern data imported from dll */ -#define VT_EXPORT 0x00008000 /* win32: data exported from dll */ -#define VT_WEAK 0x00010000 /* weak symbol */ -#define VT_TLS 0x00040000 /* thread-local storage */ -#define VT_VIS_SHIFT 19 /* shift for symbol visibility, overlapping - bitfield values, because bitfields never - have linkage and hence never have - visibility. */ -#define VT_VIS_SIZE 2 /* We have four visibilities. */ -#define VT_VIS_MASK (((1 << VT_VIS_SIZE)-1) << VT_VIS_SHIFT) - -#define VT_STRUCT_SHIFT 19 /* shift for bitfield shift values (max: 32 - 2*6) */ - - -/* type mask (except storage) */ -#define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE | VT_IMPORT | VT_EXPORT | VT_WEAK | VT_VIS_MASK) -#define VT_TYPE (~(VT_STORAGE)) - -/* token values */ - -/* warning: the following compare tokens depend on i386 asm code */ -#define TOK_ULT 0x92 -#define TOK_UGE 0x93 -#define TOK_EQ 0x94 -#define TOK_NE 0x95 -#define TOK_ULE 0x96 -#define TOK_UGT 0x97 -#define TOK_Nset 0x98 -#define TOK_Nclear 0x99 -#define TOK_LT 0x9c -#define TOK_GE 0x9d -#define TOK_LE 0x9e -#define TOK_GT 0x9f - -#define TOK_LAND 0xa0 -#define TOK_LOR 0xa1 -#define TOK_DEC 0xa2 -#define TOK_MID 0xa3 /* inc/dec, to void constant */ -#define TOK_INC 0xa4 -#define TOK_UDIV 0xb0 /* unsigned division */ -#define TOK_UMOD 0xb1 /* unsigned modulo */ -#define TOK_PDIV 0xb2 /* fast division with undefined rounding for pointers */ - -/* tokens that carry values (in additional token string space / tokc) --> */ -#define TOK_CCHAR 0xb3 /* char constant in tokc */ -#define TOK_LCHAR 0xb4 -#define TOK_CINT 0xb5 /* number in tokc */ -#define TOK_CUINT 0xb6 /* unsigned int constant */ -#define TOK_CLLONG 0xb7 /* long long constant */ -#define TOK_CULLONG 0xb8 /* unsigned long long constant */ -#define TOK_STR 0xb9 /* pointer to string in tokc */ -#define TOK_LSTR 0xba -#define TOK_CFLOAT 0xbb /* float constant */ -#define TOK_CDOUBLE 0xbc /* double constant */ -#define TOK_CLDOUBLE 0xbd /* long double constant */ -#define TOK_PPNUM 0xbe /* preprocessor number */ -#define TOK_PPSTR 0xbf /* preprocessor string */ -#define TOK_LINENUM 0xc0 /* line number info */ -/* <-- */ - -#define TOK_UMULL 0xc2 /* unsigned 32x32 -> 64 mul */ -#define TOK_ADDC1 0xc3 /* add with carry generation */ -#define TOK_ADDC2 0xc4 /* add with carry use */ -#define TOK_SUBC1 0xc5 /* add with carry generation */ -#define TOK_SUBC2 0xc6 /* add with carry use */ -#define TOK_ARROW 0xc7 -#define TOK_DOTS 0xc8 /* three dots */ -#define TOK_SHR 0xc9 /* unsigned shift right */ -#define TOK_TWOSHARPS 0xca /* ## preprocessing token */ -#define TOK_PLCHLDR 0xcb /* placeholder token as defined in C99 */ -#define TOK_NOSUBST 0xcc /* means following token has already been pp'd */ - -#define TOK_SHL 0x01 /* shift left */ -#define TOK_SAR 0x02 /* signed shift right */ - -/* assignement operators : normal operator or 0x80 */ -#define TOK_A_MOD 0xa5 -#define TOK_A_AND 0xa6 -#define TOK_A_MUL 0xaa -#define TOK_A_ADD 0xab -#define TOK_A_SUB 0xad -#define TOK_A_DIV 0xaf -#define TOK_A_XOR 0xde -#define TOK_A_OR 0xfc -#define TOK_A_SHL 0x81 -#define TOK_A_SAR 0x82 - -#ifndef offsetof -#define offsetof(type, field) ((size_t) &((type *)0)->field) -#endif - -#ifndef countof -#define countof(tab) (sizeof(tab) / sizeof((tab)[0])) -#endif - -#define TOK_EOF (-1) /* end of file */ -#define TOK_LINEFEED 10 /* line feed */ - -/* all identificators and strings have token above that */ -#define TOK_IDENT 256 - -#define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x) -#define TOK_ASM_int TOK_INT -#define TOK_ASM_weak TOK_WEAK1 - -#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 -/* only used for i386 asm opcodes definitions */ -#define DEF_BWL(x) \ - DEF(TOK_ASM_ ## x ## b, #x "b") \ - DEF(TOK_ASM_ ## x ## w, #x "w") \ - DEF(TOK_ASM_ ## x ## l, #x "l") \ - DEF(TOK_ASM_ ## x, #x) -#define DEF_WL(x) \ - DEF(TOK_ASM_ ## x ## w, #x "w") \ - DEF(TOK_ASM_ ## x ## l, #x "l") \ - DEF(TOK_ASM_ ## x, #x) -#ifdef TCC_TARGET_X86_64 -# define DEF_BWLQ(x) \ - DEF(TOK_ASM_ ## x ## b, #x "b") \ - DEF(TOK_ASM_ ## x ## w, #x "w") \ - DEF(TOK_ASM_ ## x ## l, #x "l") \ - DEF(TOK_ASM_ ## x ## q, #x "q") \ - DEF(TOK_ASM_ ## x, #x) -# define DEF_WLQ(x) \ - DEF(TOK_ASM_ ## x ## w, #x "w") \ - DEF(TOK_ASM_ ## x ## l, #x "l") \ - DEF(TOK_ASM_ ## x ## q, #x "q") \ - DEF(TOK_ASM_ ## x, #x) -# define DEF_BWLX DEF_BWLQ -# define DEF_WLX DEF_WLQ -/* number of sizes + 1 */ -# define NBWLX 5 -#else -# define DEF_BWLX DEF_BWL -# define DEF_WLX DEF_WL -/* number of sizes + 1 */ -# define NBWLX 4 -#endif - -#define DEF_FP1(x) \ - DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \ - DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \ - DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \ - DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s") - -#define DEF_FP(x) \ - DEF(TOK_ASM_ ## f ## x, "f" #x ) \ - DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \ - DEF_FP1(x) - -#define DEF_ASMTEST(x,suffix) \ - DEF_ASM(x ## o ## suffix) \ - DEF_ASM(x ## no ## suffix) \ - DEF_ASM(x ## b ## suffix) \ - DEF_ASM(x ## c ## suffix) \ - DEF_ASM(x ## nae ## suffix) \ - DEF_ASM(x ## nb ## suffix) \ - DEF_ASM(x ## nc ## suffix) \ - DEF_ASM(x ## ae ## suffix) \ - DEF_ASM(x ## e ## suffix) \ - DEF_ASM(x ## z ## suffix) \ - DEF_ASM(x ## ne ## suffix) \ - DEF_ASM(x ## nz ## suffix) \ - DEF_ASM(x ## be ## suffix) \ - DEF_ASM(x ## na ## suffix) \ - DEF_ASM(x ## nbe ## suffix) \ - DEF_ASM(x ## a ## suffix) \ - DEF_ASM(x ## s ## suffix) \ - DEF_ASM(x ## ns ## suffix) \ - DEF_ASM(x ## p ## suffix) \ - DEF_ASM(x ## pe ## suffix) \ - DEF_ASM(x ## np ## suffix) \ - DEF_ASM(x ## po ## suffix) \ - DEF_ASM(x ## l ## suffix) \ - DEF_ASM(x ## nge ## suffix) \ - DEF_ASM(x ## nl ## suffix) \ - DEF_ASM(x ## ge ## suffix) \ - DEF_ASM(x ## le ## suffix) \ - DEF_ASM(x ## ng ## suffix) \ - DEF_ASM(x ## nle ## suffix) \ - DEF_ASM(x ## g ## suffix) - -#endif /* defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 */ - -enum tcc_token { - TOK_LAST = TOK_IDENT - 1, -#define DEF(id, str) id, -#include "tcctok.h" -#undef DEF -}; - -#define TOK_UIDENT TOK_DEFINE - -/* space exlcuding newline */ -static inline int is_space(int ch) -{ - return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r'; -} - -static inline int isid(int c) -{ - return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_'; -} - -static inline int isnum(int c) -{ - return c >= '0' && c <= '9'; -} - -static inline int isoct(int c) -{ - return c >= '0' && c <= '7'; -} - -static inline int toup(int c) -{ - return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c; -} - -#ifndef PUB_FUNC -# define PUB_FUNC -#endif - -#ifdef ONE_SOURCE -#define ST_INLN static inline -#define ST_FUNC static -#define ST_DATA static -#else -#define ST_INLN -#define ST_FUNC -#define ST_DATA extern -#endif - -/* ------------ libtcc.c ------------ */ - -/* use GNU C extensions */ -ST_DATA int gnu_ext; -/* use Tiny C extensions */ -ST_DATA int tcc_ext; -/* XXX: get rid of this ASAP */ -ST_DATA struct TCCState *tcc_state; - -#define AFF_PRINT_ERROR 0x0001 /* print error if file not found */ -#define AFF_REFERENCED_DLL 0x0002 /* load a referenced dll from another dll */ -#define AFF_PREPROCESS 0x0004 /* preprocess file */ - -/* public functions currently used by the tcc main function */ -PUB_FUNC char *pstrcpy(char *buf, int buf_size, const char *s); -PUB_FUNC char *pstrcat(char *buf, int buf_size, const char *s); -PUB_FUNC char *pstrncpy(char *out, const char *in, size_t num); -PUB_FUNC char *tcc_basename(const char *name); -PUB_FUNC char *tcc_fileextension (const char *name); - -#ifndef MEM_DEBUG -PUB_FUNC void tcc_free(void *ptr); -PUB_FUNC void *tcc_malloc(unsigned long size); -PUB_FUNC void *tcc_mallocz(unsigned long size); -PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size); -PUB_FUNC char *tcc_strdup(const char *str); -#else -#define tcc_free(ptr) tcc_free_debug(ptr) -#define tcc_malloc(size) tcc_malloc_debug(size, __FILE__, __LINE__) -#define tcc_mallocz(size) tcc_mallocz_debug(size, __FILE__, __LINE__) -#define tcc_realloc(ptr,size) tcc_realloc_debug(ptr, size, __FILE__, __LINE__) -#define tcc_strdup(str) tcc_strdup_debug(str, __FILE__, __LINE__) -PUB_FUNC void tcc_free_debug(void *ptr); -PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line); -PUB_FUNC void *tcc_mallocz_debug(unsigned long size, const char *file, int line); -PUB_FUNC void *tcc_realloc_debug(void *ptr, unsigned long size, const char *file, int line); -PUB_FUNC char *tcc_strdup_debug(const char *str, const char *file, int line); -#endif - -#define free(p) use_tcc_free(p) -#define malloc(s) use_tcc_malloc(s) -#define realloc(p, s) use_tcc_realloc(p, s) -#undef strdup -#define strdup(s) use_tcc_strdup(s) -PUB_FUNC void tcc_memstats(int bench); -PUB_FUNC void tcc_error_noabort(const char *fmt, ...); -PUB_FUNC NORETURN void tcc_error(const char *fmt, ...); -PUB_FUNC void tcc_warning(const char *fmt, ...); - -/* other utilities */ -ST_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data); -ST_FUNC void dynarray_reset(void *pp, int *n); -ST_FUNC void cstr_ccat(CString *cstr, int ch); -ST_FUNC void cstr_cat(CString *cstr, const char *str); -ST_FUNC void cstr_wccat(CString *cstr, int ch); -ST_FUNC void cstr_new(CString *cstr); -ST_FUNC void cstr_free(CString *cstr); -ST_FUNC void cstr_reset(CString *cstr); - -ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags); -ST_FUNC void section_realloc(Section *sec, unsigned long new_size); -ST_FUNC void *section_ptr_add(Section *sec, addr_t size); -ST_FUNC void section_reserve(Section *sec, unsigned long size); -ST_FUNC Section *find_section(TCCState *s1, const char *name); - -ST_FUNC void put_extern_sym2(Sym *sym, Section *section, addr_t value, unsigned long size, int can_add_underscore); -ST_FUNC void put_extern_sym(Sym *sym, Section *section, addr_t value, unsigned long size); -ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type); -ST_FUNC void greloca(Section *s, Sym *sym, unsigned long offset, int type, addr_t addend); - -ST_INLN void sym_free(Sym *sym); -ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, long c); -ST_FUNC Sym *sym_find2(Sym *s, int v); -ST_FUNC Sym *sym_push(int v, CType *type, int r, int c); -ST_FUNC void sym_pop(Sym **ptop, Sym *b); -ST_INLN Sym *struct_find(int v); -ST_INLN Sym *sym_find(int v); -ST_FUNC Sym *global_identifier_push(int v, int t, int c); - -ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen); -ST_FUNC int tcc_open(TCCState *s1, const char *filename); -ST_FUNC void tcc_close(void); - -ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags, int filetype); -ST_FUNC int tcc_add_crt(TCCState *s, const char *filename); - -#ifndef TCC_TARGET_PE -ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags); -#endif - -ST_FUNC void tcc_add_pragma_libs(TCCState *s1); -PUB_FUNC int tcc_add_library_err(TCCState *s, const char *f); - -PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time); -PUB_FUNC int tcc_parse_args(TCCState *s, int argc, char **argv); -PUB_FUNC void tcc_set_environment(TCCState *s); - -/* ------------ tccpp.c ------------ */ - -ST_DATA struct BufferedFile *file; -ST_DATA int ch, tok; -ST_DATA CValue tokc; -ST_DATA const int *macro_ptr; -ST_DATA int parse_flags; -ST_DATA int tok_flags; -ST_DATA CString tokcstr; /* current parsed string, if any */ - -/* display benchmark infos */ -ST_DATA int total_lines; -ST_DATA int total_bytes; -ST_DATA int tok_ident; -ST_DATA TokenSym **table_ident; - -#define TOK_FLAG_BOL 0x0001 /* beginning of line before */ -#define TOK_FLAG_BOF 0x0002 /* beginning of file before */ -#define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */ -#define TOK_FLAG_EOF 0x0008 /* end of file */ - -#define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */ -#define PARSE_FLAG_TOK_NUM 0x0002 /* return numbers instead of TOK_PPNUM */ -#define PARSE_FLAG_LINEFEED 0x0004 /* line feed is returned as a - token. line feed is also - returned at eof */ -#define PARSE_FLAG_ASM_FILE 0x0008 /* we processing an asm file: '#' can be used for line comment, etc. */ -#define PARSE_FLAG_SPACES 0x0010 /* next() returns space tokens (for -E) */ -#define PARSE_FLAG_ACCEPT_STRAYS 0x0020 /* next() returns '\\' token */ -#define PARSE_FLAG_TOK_STR 0x0040 /* return parsed strings instead of TOK_PPSTR */ - -ST_FUNC TokenSym *tok_alloc(const char *str, int len); -ST_FUNC const char *get_tok_str(int v, CValue *cv); -ST_FUNC void begin_macro(TokenString *str, int alloc); -ST_FUNC void end_macro(void); -ST_FUNC void save_parse_state(ParseState *s); -ST_FUNC void restore_parse_state(ParseState *s); -ST_INLN void tok_str_new(TokenString *s); -ST_FUNC void tok_str_free(int *str); -ST_FUNC void tok_str_add(TokenString *s, int t); -ST_FUNC void tok_str_add_tok(TokenString *s); -ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg); -ST_FUNC void define_undef(Sym *s); -ST_INLN Sym *define_find(int v); -ST_FUNC void free_defines(Sym *b); -ST_FUNC void print_defines(void); -ST_FUNC Sym *label_find(int v); -ST_FUNC Sym *label_push(Sym **ptop, int v, int flags); -ST_FUNC void label_pop(Sym **ptop, Sym *slast); -ST_FUNC void parse_define(void); -ST_FUNC void preprocess(int is_bof); -ST_FUNC void next_nomacro(void); -ST_FUNC void next(void); -ST_INLN void unget_tok(int last_tok); -ST_FUNC void preprocess_init(TCCState *s1); -ST_FUNC void preprocess_new(void); -ST_FUNC void preprocess_delete(void); -ST_FUNC int tcc_preprocess(TCCState *s1); -ST_FUNC void skip(int c); -ST_FUNC NORETURN void expect(const char *msg); - -/* ------------ tccgen.c ------------ */ - -ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */ -ST_DATA Section *cur_text_section; /* current section where function code is generated */ -#ifdef CONFIG_TCC_ASM -ST_DATA Section *last_text_section; /* to handle .previous asm directive */ -#endif -#ifdef CONFIG_TCC_BCHECK -/* bound check related sections */ -ST_DATA Section *bounds_section; /* contains global data bound description */ -ST_DATA Section *lbounds_section; /* contains local data bound description */ -#endif -/* symbol sections */ -ST_DATA Section *symtab_section, *strtab_section; -/* debug sections */ -ST_DATA Section *stab_section, *stabstr_section; - -#define SYM_POOL_NB (8192 / sizeof(Sym)) -ST_DATA Sym *sym_free_first; -ST_DATA void **sym_pools; -ST_DATA int nb_sym_pools; - -ST_DATA Sym *global_stack; -ST_DATA Sym *local_stack; -ST_DATA Sym *local_label_stack; -ST_DATA Sym *global_label_stack; -ST_DATA Sym *define_stack; -ST_DATA CType char_pointer_type, func_old_type, int_type, size_type; -ST_DATA SValue __vstack[1+/*to make bcheck happy*/ VSTACK_SIZE], *vtop, *pvtop; -#define vstack (__vstack + 1) -ST_DATA int rsym, anon_sym, ind, loc; - -ST_DATA int const_wanted; /* true if constant wanted */ -ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */ -ST_DATA int global_expr; /* true if compound literals must be allocated globally (used during initializers parsing */ -ST_DATA CType func_vt; /* current function return type (used by return instruction) */ -ST_DATA int func_var; /* true if current function is variadic */ -ST_DATA int func_vc; -ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */ -ST_DATA const char *funcname; - -ST_FUNC void check_vstack(void); -ST_INLN int is_float(int t); -ST_FUNC int ieee_finite(double d); -ST_FUNC void test_lvalue(void); -ST_FUNC void swap(int *p, int *q); -ST_FUNC void vpushi(int v); -ST_FUNC Sym *external_global_sym(int v, CType *type, int r); -ST_FUNC void vset(CType *type, int r, int v); -ST_FUNC void vswap(void); -ST_FUNC void vpush_global_sym(CType *type, int v); -ST_FUNC void vrote(SValue *e, int n); -ST_FUNC void vrott(int n); -ST_FUNC void vrotb(int n); -#ifdef TCC_TARGET_ARM -ST_FUNC int get_reg_ex(int rc, int rc2); -ST_FUNC void lexpand_nr(void); -#endif -ST_FUNC void vpushv(SValue *v); -ST_FUNC void save_reg(int r); -ST_FUNC int get_reg(int rc); -ST_FUNC void save_regs(int n); -ST_FUNC void gaddrof(void); -ST_FUNC int gv(int rc); -ST_FUNC void gv2(int rc1, int rc2); -ST_FUNC void vdup(void); -ST_FUNC void vpop(void); -ST_FUNC void gen_op(int op); -ST_FUNC int type_size(CType *type, int *a); -ST_FUNC void mk_pointer(CType *type); -ST_FUNC void vstore(void); -ST_FUNC void inc(int post, int c); -ST_FUNC void parse_asm_str(CString *astr); -ST_FUNC int lvalue_type(int t); -ST_FUNC void indir(void); -ST_FUNC void unary(void); -ST_FUNC void expr_prod(void); -ST_FUNC void expr_sum(void); -ST_FUNC void gexpr(void); -ST_FUNC int expr_const(void); -ST_FUNC void gen_inline_functions(void); -ST_FUNC void decl(int l); -#if defined CONFIG_TCC_BCHECK || defined TCC_TARGET_C67 -ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size); -#endif -#if defined TCC_TARGET_X86_64 && !defined TCC_TARGET_PE -ST_FUNC int classify_x86_64_va_arg(CType *ty); -#endif - -/* ------------ tccelf.c ------------ */ - -#define TCC_OUTPUT_FORMAT_ELF 0 /* default output format: ELF */ -#define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */ -#define TCC_OUTPUT_FORMAT_COFF 2 /* COFF */ - -#define ARMAG "!\012" /* For COFF and a.out archives */ - -typedef struct { - unsigned int n_strx; /* index into string table of name */ - unsigned char n_type; /* type of symbol */ - unsigned char n_other; /* misc info (usually empty) */ - unsigned short n_desc; /* description field */ - unsigned int n_value; /* value of symbol */ -} Stab_Sym; - -ST_FUNC Section *new_symtab(TCCState *s1, const char *symtab_name, int sh_type, int sh_flags, const char *strtab_name, const char *hash_name, int hash_sh_flags); - -ST_FUNC int put_elf_str(Section *s, const char *sym); -ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int shndx, const char *name); -ST_FUNC int add_elf_sym(Section *s, addr_t value, unsigned long size, int info, int other, int sh_num, const char *name); -ST_FUNC int find_elf_sym(Section *s, const char *name); -ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, int type, int symbol); -ST_FUNC void put_elf_reloca(Section *symtab, Section *s, unsigned long offset, int type, int symbol, addr_t addend); - -ST_FUNC void put_stabs(const char *str, int type, int other, int desc, unsigned long value); -ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, unsigned long value, Section *sec, int sym_index); -ST_FUNC void put_stabn(int type, int other, int desc, int value); -ST_FUNC void put_stabd(int type, int other, int desc); - -ST_FUNC void relocate_common_syms(void); -ST_FUNC void relocate_syms(TCCState *s1, int do_resolve); -ST_FUNC void relocate_section(TCCState *s1, Section *s); -ST_FUNC void relocate_plt(TCCState *s1); - -ST_FUNC void tcc_add_linker_symbols(TCCState *s1); -ST_FUNC int tcc_load_object_file(TCCState *s1, int fd, unsigned long file_offset); -ST_FUNC int tcc_load_archive(TCCState *s1, int fd); -ST_FUNC void tcc_add_bcheck(TCCState *s1); - -ST_FUNC void build_got_entries(TCCState *s1); -ST_FUNC void tcc_add_runtime(TCCState *s1); - -ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err); -#if defined TCC_IS_NATIVE || defined TCC_TARGET_PE -ST_FUNC void *tcc_get_symbol_err(TCCState *s, const char *name); -#endif - -#ifndef TCC_TARGET_PE -ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level); -ST_FUNC int tcc_load_ldscript(TCCState *s1); -ST_FUNC uint8_t *parse_comment(uint8_t *p); -ST_FUNC void minp(void); -ST_INLN void inp(void); -ST_FUNC int handle_eob(void); -#endif - -/* ------------ xxx-gen.c ------------ */ - -ST_DATA const int reg_classes[NB_REGS]; - -ST_FUNC void gsym_addr(int t, int a); -ST_FUNC void gsym(int t); -ST_FUNC void load(int r, SValue *sv); -ST_FUNC void store(int r, SValue *v); -ST_FUNC int regargs_nregs(RegArgs *args); -ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *align, int *regsize, RegArgs *args); -ST_FUNC void gfunc_call(int nb_args); -ST_FUNC void gfunc_prolog(CType *func_type); -ST_FUNC void gfunc_epilog(void); -ST_FUNC int gjmp(int t); -ST_FUNC void gjmp_addr(int a); -ST_FUNC int gtst(int inv, int t); -ST_FUNC void gen_opi(int op); -ST_FUNC void gen_opf(int op); -ST_FUNC void gen_cvt_ftoi(int t); -ST_FUNC void gen_cvt_ftof(int t); -ST_FUNC void ggoto(void); -#ifndef TCC_TARGET_C67 -ST_FUNC void o(unsigned int c); -#endif -#ifndef TCC_TARGET_ARM -ST_FUNC void gen_cvt_itof(int t); -#endif -ST_FUNC void gen_vla_sp_save(int addr); -ST_FUNC void gen_vla_sp_restore(int addr); -ST_FUNC void gen_vla_alloc(CType *type, int align); - -/* ------------ i386-gen.c ------------ */ -#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 -ST_FUNC void g(int c); -ST_FUNC int oad(int c, int s); -ST_FUNC void gen_le16(int c); -ST_FUNC void gen_le32(int c); -ST_FUNC void gen_addr32(int r, Sym *sym, int c); -ST_FUNC void gen_addrpc32(int r, Sym *sym, int c); -#endif - -#ifdef CONFIG_TCC_BCHECK -ST_FUNC void gen_bounded_ptr_add(void); -ST_FUNC void gen_bounded_ptr_deref(void); -#endif - -/* ------------ x86_64-gen.c ------------ */ -#ifdef TCC_TARGET_X86_64 -ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c); -ST_FUNC void gen_opl(int op); -#endif - -/* ------------ arm-gen.c ------------ */ -#ifdef TCC_TARGET_ARM -#if defined(TCC_ARM_EABI) && !defined(CONFIG_TCC_ELFINTERP) -ST_FUNC char *default_elfinterp(struct TCCState *s); -#endif -ST_FUNC void arm_init(struct TCCState *s); -ST_FUNC uint32_t encbranch(int pos, int addr, int fail); -ST_FUNC void gen_cvt_itof1(int t); -#endif - -/* ------------ arm64-gen.c ------------ */ -#ifdef TCC_TARGET_ARM64 -ST_FUNC void gen_cvt_sxtw(void); -ST_FUNC void gen_opl(int op); -ST_FUNC void greturn(void); -ST_FUNC void gen_va_start(void); -ST_FUNC void gen_va_arg(CType *t); -ST_FUNC void gen_clear_cache(void); -#endif - -/* ------------ c67-gen.c ------------ */ -#ifdef TCC_TARGET_C67 -#endif - -/* ------------ tcccoff.c ------------ */ - -#ifdef TCC_TARGET_COFF -ST_FUNC int tcc_output_coff(TCCState *s1, FILE *f); -ST_FUNC int tcc_load_coff(TCCState * s1, int fd); -#endif - -/* ------------ tccasm.c ------------ */ -ST_FUNC void asm_instr(void); -ST_FUNC void asm_global_instr(void); -#ifdef CONFIG_TCC_ASM -ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, const char *name, const char **pp); -ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe); -ST_FUNC int asm_int_expr(TCCState *s1); -ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess); -/* ------------ i386-asm.c ------------ */ -ST_FUNC void gen_expr32(ExprValue *pe); -ST_FUNC void asm_opcode(TCCState *s1, int opcode); -ST_FUNC void asm_compute_constraints(ASMOperand *operands, int nb_operands, int nb_outputs, const uint8_t *clobber_regs, int *pout_reg); -ST_FUNC void subst_asm_operand(CString *add_str, SValue *sv, int modifier); -ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, int nb_outputs, int is_output, uint8_t *clobber_regs, int out_reg); -ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str); -#endif - -/* ------------ tccpe.c -------------- */ -#ifdef TCC_TARGET_PE -ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd); -ST_FUNC int pe_output_file(TCCState * s1, const char *filename); -ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value); -ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2); -#ifdef TCC_TARGET_X86_64 -ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack); -#endif -/* symbol properties stored in Elf32_Sym->st_other */ -# define ST_PE_EXPORT 0x10 -# define ST_PE_IMPORT 0x20 -# define ST_PE_STDCALL 0x40 -#endif - -/* ------------ tccrun.c ----------------- */ -#ifdef TCC_IS_NATIVE -#ifdef CONFIG_TCC_STATIC -#define RTLD_LAZY 0x001 -#define RTLD_NOW 0x002 -#define RTLD_GLOBAL 0x100 -#define RTLD_DEFAULT NULL -/* dummy function for profiling */ -ST_FUNC void *dlopen(const char *filename, int flag); -ST_FUNC void dlclose(void *p); -ST_FUNC const char *dlerror(void); -ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol); -#elif !defined _WIN32 -ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol); -#endif - -#ifdef CONFIG_TCC_BACKTRACE -ST_DATA int rt_num_callers; -ST_DATA const char **rt_bound_error_msg; -ST_DATA void *rt_prog_main; -ST_FUNC void tcc_set_num_callers(int n); -#endif -#endif - -/********************************************************/ -#undef ST_DATA -#ifdef ONE_SOURCE -#define ST_DATA static -#else -#define ST_DATA -#endif -/********************************************************/ -#endif /* _TCC_H */ diff --git a/src/tccasm.c b/src/tccasm.c deleted file mode 100644 index be34ef4..0000000 --- a/src/tccasm.c +++ /dev/null @@ -1,1130 +0,0 @@ -/* - * GAS like assembler for TCC - * - * Copyright (c) 2001-2004 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "tcc.h" -#ifdef CONFIG_TCC_ASM - -ST_FUNC int asm_get_local_label_name(TCCState *s1, unsigned int n) -{ - char buf[64]; - TokenSym *ts; - - snprintf(buf, sizeof(buf), "L..%u", n); - ts = tok_alloc(buf, strlen(buf)); - return ts->tok; -} - -ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe); - -/* We do not use the C expression parser to handle symbols. Maybe the - C expression parser could be tweaked to do so. */ - -static void asm_expr_unary(TCCState *s1, ExprValue *pe) -{ - Sym *sym; - int op, n, label; - const char *p; - - switch(tok) { - case TOK_PPNUM: - p = tokc.cstr->data; - n = strtoul(p, (char **)&p, 0); - if (*p == 'b' || *p == 'f') { - /* backward or forward label */ - label = asm_get_local_label_name(s1, n); - sym = label_find(label); - if (*p == 'b') { - /* backward : find the last corresponding defined label */ - if (sym && sym->r == 0) - sym = sym->prev_tok; - if (!sym) - tcc_error("local label '%d' not found backward", n); - } else { - /* forward */ - if (!sym || sym->r) { - /* if the last label is defined, then define a new one */ - sym = label_push(&s1->asm_labels, label, 0); - sym->type.t = VT_STATIC | VT_VOID; - } - } - pe->v = 0; - pe->sym = sym; - } else if (*p == '\0') { - pe->v = n; - pe->sym = NULL; - } else { - tcc_error("invalid number syntax"); - } - next(); - break; - case '+': - next(); - asm_expr_unary(s1, pe); - break; - case '-': - case '~': - op = tok; - next(); - asm_expr_unary(s1, pe); - if (pe->sym) - tcc_error("invalid operation with label"); - if (op == '-') - pe->v = -pe->v; - else - pe->v = ~pe->v; - break; - case TOK_CCHAR: - case TOK_LCHAR: - pe->v = tokc.i; - pe->sym = NULL; - next(); - break; - case '(': - next(); - asm_expr(s1, pe); - skip(')'); - break; - default: - if (tok >= TOK_IDENT) { - /* label case : if the label was not found, add one */ - sym = label_find(tok); - if (!sym) { - sym = label_push(&s1->asm_labels, tok, 0); - /* NOTE: by default, the symbol is global */ - sym->type.t = VT_VOID; - } - if (sym->r == SHN_ABS) { - /* if absolute symbol, no need to put a symbol value */ - pe->v = sym->jnext; - pe->sym = NULL; - } else { - pe->v = 0; - pe->sym = sym; - } - next(); - } else { - tcc_error("bad expression syntax [%s]", get_tok_str(tok, &tokc)); - } - break; - } -} - -static void asm_expr_prod(TCCState *s1, ExprValue *pe) -{ - int op; - ExprValue e2; - - asm_expr_unary(s1, pe); - for(;;) { - op = tok; - if (op != '*' && op != '/' && op != '%' && - op != TOK_SHL && op != TOK_SAR) - break; - next(); - asm_expr_unary(s1, &e2); - if (pe->sym || e2.sym) - tcc_error("invalid operation with label"); - switch(op) { - case '*': - pe->v *= e2.v; - break; - case '/': - if (e2.v == 0) { - div_error: - tcc_error("division by zero"); - } - pe->v /= e2.v; - break; - case '%': - if (e2.v == 0) - goto div_error; - pe->v %= e2.v; - break; - case TOK_SHL: - pe->v <<= e2.v; - break; - default: - case TOK_SAR: - pe->v >>= e2.v; - break; - } - } -} - -static void asm_expr_logic(TCCState *s1, ExprValue *pe) -{ - int op; - ExprValue e2; - - asm_expr_prod(s1, pe); - for(;;) { - op = tok; - if (op != '&' && op != '|' && op != '^') - break; - next(); - asm_expr_prod(s1, &e2); - if (pe->sym || e2.sym) - tcc_error("invalid operation with label"); - switch(op) { - case '&': - pe->v &= e2.v; - break; - case '|': - pe->v |= e2.v; - break; - default: - case '^': - pe->v ^= e2.v; - break; - } - } -} - -static inline void asm_expr_sum(TCCState *s1, ExprValue *pe) -{ - int op; - ExprValue e2; - - asm_expr_logic(s1, pe); - for(;;) { - op = tok; - if (op != '+' && op != '-') - break; - next(); - asm_expr_logic(s1, &e2); - if (op == '+') { - if (pe->sym != NULL && e2.sym != NULL) - goto cannot_relocate; - pe->v += e2.v; - if (pe->sym == NULL && e2.sym != NULL) - pe->sym = e2.sym; - } else { - pe->v -= e2.v; - /* NOTE: we are less powerful than gas in that case - because we store only one symbol in the expression */ - if (!pe->sym && !e2.sym) { - /* OK */ - } else if (pe->sym && !e2.sym) { - /* OK */ - } else if (pe->sym && e2.sym) { - if (pe->sym == e2.sym) { - /* OK */ - } else if (pe->sym->r == e2.sym->r && pe->sym->r != 0) { - /* we also accept defined symbols in the same section */ - pe->v += pe->sym->jnext - e2.sym->jnext; - } else { - goto cannot_relocate; - } - pe->sym = NULL; /* same symbols can be subtracted to NULL */ - } else { - cannot_relocate: - tcc_error("invalid operation with label"); - } - } - } -} - -ST_FUNC void asm_expr(TCCState *s1, ExprValue *pe) -{ - asm_expr_sum(s1, pe); -} - -ST_FUNC int asm_int_expr(TCCState *s1) -{ - ExprValue e; - asm_expr(s1, &e); - if (e.sym) - expect("constant"); - return e.v; -} - -/* NOTE: the same name space as C labels is used to avoid using too - much memory when storing labels in TokenStrings */ -static void asm_new_label1(TCCState *s1, int label, int is_local, - int sh_num, int value) -{ - Sym *sym; - - sym = label_find(label); - if (sym) { - if (sym->r) { - /* the label is already defined */ - if (!is_local) { - tcc_error("assembler label '%s' already defined", - get_tok_str(label, NULL)); - } else { - /* redefinition of local labels is possible */ - goto new_label; - } - } - } else { - new_label: - sym = label_push(&s1->asm_labels, label, 0); - sym->type.t = VT_STATIC | VT_VOID; - } - sym->r = sh_num; - sym->jnext = value; -} - -static void asm_new_label(TCCState *s1, int label, int is_local) -{ - asm_new_label1(s1, label, is_local, cur_text_section->sh_num, ind); -} - -static void asm_free_labels(TCCState *st) -{ - Sym *s, *s1; - Section *sec; - - for(s = st->asm_labels; s != NULL; s = s1) { - s1 = s->prev; - /* define symbol value in object file */ - if (s->r) { - if (s->r == SHN_ABS) - sec = SECTION_ABS; - else - sec = st->sections[s->r]; - put_extern_sym2(s, sec, s->jnext, 0, 0); - } - /* remove label */ - table_ident[s->v - TOK_IDENT]->sym_label = NULL; - sym_free(s); - } - st->asm_labels = NULL; -} - -static void use_section1(TCCState *s1, Section *sec) -{ - cur_text_section->data_offset = ind; - cur_text_section = sec; - ind = cur_text_section->data_offset; -} - -static void use_section(TCCState *s1, const char *name) -{ - Section *sec; - sec = find_section(s1, name); - use_section1(s1, sec); -} - -static void asm_parse_directive(TCCState *s1) -{ - int n, offset, v, size, tok1; - Section *sec; - uint8_t *ptr; - - /* assembler directive */ - next(); - sec = cur_text_section; - switch(tok) { - case TOK_ASM_align: - case TOK_ASM_p2align: - case TOK_ASM_skip: - case TOK_ASM_space: - tok1 = tok; - next(); - n = asm_int_expr(s1); - if (tok1 == TOK_ASM_p2align) - { - if (n < 0 || n > 30) - tcc_error("invalid p2align, must be between 0 and 30"); - n = 1 << n; - tok1 = TOK_ASM_align; - } - if (tok1 == TOK_ASM_align) { - if (n < 0 || (n & (n-1)) != 0) - tcc_error("alignment must be a positive power of two"); - offset = (ind + n - 1) & -n; - size = offset - ind; - /* the section must have a compatible alignment */ - if (sec->sh_addralign < n) - sec->sh_addralign = n; - } else { - size = n; - } - v = 0; - if (tok == ',') { - next(); - v = asm_int_expr(s1); - } - zero_pad: - if (sec->sh_type != SHT_NOBITS) { - sec->data_offset = ind; - ptr = section_ptr_add(sec, size); - memset(ptr, v, size); - } - ind += size; - break; - case TOK_ASM_quad: - next(); - for(;;) { - uint64_t vl; - const char *p; - - p = tokc.cstr->data; - if (tok != TOK_PPNUM) { - error_constant: - tcc_error("64 bit constant"); - } - vl = strtoll(p, (char **)&p, 0); - if (*p != '\0') - goto error_constant; - next(); - if (sec->sh_type != SHT_NOBITS) { - /* XXX: endianness */ - gen_le32(vl); - gen_le32(vl >> 32); - } else { - ind += 8; - } - if (tok != ',') - break; - next(); - } - break; - case TOK_ASM_byte: - size = 1; - goto asm_data; - case TOK_ASM_word: - case TOK_SHORT: - size = 2; - goto asm_data; - case TOK_LONG: - case TOK_INT: - size = 4; - asm_data: - next(); - for(;;) { - ExprValue e; - asm_expr(s1, &e); - if (sec->sh_type != SHT_NOBITS) { - if (size == 4) { - gen_expr32(&e); - } else { - if (e.sym) - expect("constant"); - if (size == 1) - g(e.v); - else - gen_le16(e.v); - } - } else { - ind += size; - } - if (tok != ',') - break; - next(); - } - break; - case TOK_ASM_fill: - { - int repeat, size, val, i, j; - uint8_t repeat_buf[8]; - next(); - repeat = asm_int_expr(s1); - if (repeat < 0) { - tcc_error("repeat < 0; .fill ignored"); - break; - } - size = 1; - val = 0; - if (tok == ',') { - next(); - size = asm_int_expr(s1); - if (size < 0) { - tcc_error("size < 0; .fill ignored"); - break; - } - if (size > 8) - size = 8; - if (tok == ',') { - next(); - val = asm_int_expr(s1); - } - } - /* XXX: endianness */ - repeat_buf[0] = val; - repeat_buf[1] = val >> 8; - repeat_buf[2] = val >> 16; - repeat_buf[3] = val >> 24; - repeat_buf[4] = 0; - repeat_buf[5] = 0; - repeat_buf[6] = 0; - repeat_buf[7] = 0; - for(i = 0; i < repeat; i++) { - for(j = 0; j < size; j++) { - g(repeat_buf[j]); - } - } - } - break; - case TOK_ASM_org: - { - unsigned long n; - next(); - /* XXX: handle section symbols too */ - n = asm_int_expr(s1); - if (n < ind) - tcc_error("attempt to .org backwards"); - v = 0; - size = n - ind; - goto zero_pad; - } - break; - case TOK_ASM_globl: - case TOK_ASM_global: - case TOK_ASM_weak: - case TOK_ASM_hidden: - tok1 = tok; - do { - Sym *sym; - - next(); - sym = label_find(tok); - if (!sym) { - sym = label_push(&s1->asm_labels, tok, 0); - sym->type.t = VT_VOID; - } - if (tok1 != TOK_ASM_hidden) - sym->type.t &= ~VT_STATIC; - if (tok1 == TOK_ASM_weak) - sym->type.t |= VT_WEAK; - else if (tok1 == TOK_ASM_hidden) - sym->type.t |= STV_HIDDEN << VT_VIS_SHIFT; - next(); - } while (tok == ','); - break; - case TOK_ASM_string: - case TOK_ASM_ascii: - case TOK_ASM_asciz: - { - const uint8_t *p; - int i, size, t; - - t = tok; - next(); - for(;;) { - if (tok != TOK_STR) - expect("string constant"); - p = tokc.cstr->data; - size = tokc.cstr->size; - if (t == TOK_ASM_ascii && size > 0) - size--; - for(i = 0; i < size; i++) - g(p[i]); - next(); - if (tok == ',') { - next(); - } else if (tok != TOK_STR) { - break; - } - } - } - break; - case TOK_ASM_text: - case TOK_ASM_data: - case TOK_ASM_bss: - { - char sname[64]; - tok1 = tok; - n = 0; - next(); - if (tok != ';' && tok != TOK_LINEFEED) { - n = asm_int_expr(s1); - next(); - } - sprintf(sname, (n?".%s%d":".%s"), get_tok_str(tok1, NULL), n); - use_section(s1, sname); - } - break; - case TOK_ASM_file: - { - char filename[512]; - - filename[0] = '\0'; - next(); - - if (tok == TOK_STR) - pstrcat(filename, sizeof(filename), tokc.cstr->data); - else - pstrcat(filename, sizeof(filename), get_tok_str(tok, NULL)); - - if (s1->warn_unsupported) - tcc_warning("ignoring .file %s", filename); - - next(); - } - break; - case TOK_ASM_ident: - { - char ident[256]; - - ident[0] = '\0'; - next(); - - if (tok == TOK_STR) - pstrcat(ident, sizeof(ident), tokc.cstr->data); - else - pstrcat(ident, sizeof(ident), get_tok_str(tok, NULL)); - - if (s1->warn_unsupported) - tcc_warning("ignoring .ident %s", ident); - - next(); - } - break; - case TOK_ASM_size: - { - Sym *sym; - - next(); - sym = label_find(tok); - if (!sym) { - tcc_error("label not found: %s", get_tok_str(tok, NULL)); - } - - /* XXX .size name,label2-label1 */ - if (s1->warn_unsupported) - tcc_warning("ignoring .size %s,*", get_tok_str(tok, NULL)); - - next(); - skip(','); - while (tok != '\n' && tok != CH_EOF) { - next(); - } - } - break; - case TOK_ASM_type: - { - Sym *sym; - const char *newtype; - - next(); - sym = label_find(tok); - if (!sym) { - sym = label_push(&s1->asm_labels, tok, 0); - sym->type.t = VT_VOID; - } - - next(); - skip(','); - if (tok == TOK_STR) { - newtype = tokc.cstr->data; - } else { - if (tok == '@' || tok == '%') - skip(tok); - newtype = get_tok_str(tok, NULL); - } - - if (!strcmp(newtype, "function") || !strcmp(newtype, "STT_FUNC")) { - sym->type.t = (sym->type.t & ~VT_BTYPE) | VT_FUNC; - } - else if (s1->warn_unsupported) - tcc_warning("change type of '%s' from 0x%x to '%s' ignored", - get_tok_str(sym->v, NULL), sym->type.t, newtype); - - next(); - } - break; - case TOK_SECTION1: - { - char sname[256]; - - /* XXX: support more options */ - next(); - sname[0] = '\0'; - while (tok != ';' && tok != TOK_LINEFEED && tok != ',') { - if (tok == TOK_STR) - pstrcat(sname, sizeof(sname), tokc.cstr->data); - else - pstrcat(sname, sizeof(sname), get_tok_str(tok, NULL)); - next(); - } - if (tok == ',') { - /* skip section options */ - next(); - if (tok != TOK_STR) - expect("string constant"); - next(); - } - last_text_section = cur_text_section; - use_section(s1, sname); - } - break; - case TOK_ASM_previous: - { - Section *sec; - next(); - if (!last_text_section) - tcc_error("no previous section referenced"); - sec = cur_text_section; - use_section1(s1, last_text_section); - last_text_section = sec; - } - break; -#ifdef TCC_TARGET_I386 - case TOK_ASM_code16: - { - next(); - s1->seg_size = 16; - } - break; - case TOK_ASM_code32: - { - next(); - s1->seg_size = 32; - } - break; -#endif -#ifdef TCC_TARGET_X86_64 - /* added for compatibility with GAS */ - case TOK_ASM_code64: - next(); - break; -#endif - default: - tcc_error("unknown assembler directive '.%s'", get_tok_str(tok, NULL)); - break; - } -} - - -/* assemble a file */ -static int tcc_assemble_internal(TCCState *s1, int do_preprocess) -{ - int opcode; - -#if 0 - /* print stats about opcodes */ - { - const ASMInstr *pa; - int freq[4]; - int op_vals[500]; - int nb_op_vals, i, j; - - nb_op_vals = 0; - memset(freq, 0, sizeof(freq)); - for(pa = asm_instrs; pa->sym != 0; pa++) { - freq[pa->nb_ops]++; - for(i=0;inb_ops;i++) { - for(j=0;jop_type[i] == op_vals[j]) - goto found; - } - op_vals[nb_op_vals++] = pa->op_type[i]; - found: ; - } - } - for(i=0;ibuf_ptr[0]; - tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF; - parse_flags = PARSE_FLAG_ASM_FILE | PARSE_FLAG_TOK_STR; - if (do_preprocess) - parse_flags |= PARSE_FLAG_PREPROCESS; - next(); - for(;;) { - if (tok == TOK_EOF) - break; - parse_flags |= PARSE_FLAG_LINEFEED; /* XXX: suppress that hack */ - redo: - if (tok == '#') { - /* horrible gas comment */ - while (tok != TOK_LINEFEED) - next(); - } else if (tok == '.') { - asm_parse_directive(s1); - } else if (tok == TOK_PPNUM) { - const char *p; - int n; - p = tokc.cstr->data; - n = strtoul(p, (char **)&p, 10); - if (*p != '\0') - expect("':'"); - /* new local label */ - asm_new_label(s1, asm_get_local_label_name(s1, n), 1); - next(); - skip(':'); - goto redo; - } else if (tok >= TOK_IDENT) { - /* instruction or label */ - opcode = tok; - next(); - if (tok == ':') { - /* new label */ - asm_new_label(s1, opcode, 0); - next(); - goto redo; - } else if (tok == '=') { - int n; - next(); - n = asm_int_expr(s1); - asm_new_label1(s1, opcode, 0, SHN_ABS, n); - goto redo; - } else { - asm_opcode(s1, opcode); - } - } - /* end of line */ - if (tok != ';' && tok != TOK_LINEFEED){ - expect("end of line"); - } - parse_flags &= ~PARSE_FLAG_LINEFEED; /* XXX: suppress that hack */ - next(); - } - - asm_free_labels(s1); - - return 0; -} - -/* Assemble the current file */ -ST_FUNC int tcc_assemble(TCCState *s1, int do_preprocess) -{ - Sym *define_start; - int ret; - - preprocess_init(s1); - - /* default section is text */ - cur_text_section = text_section; - ind = cur_text_section->data_offset; - - define_start = define_stack; - - /* an elf symbol of type STT_FILE must be put so that STB_LOCAL - symbols can be safely used */ - put_elf_sym(symtab_section, 0, 0, - ELFW(ST_INFO)(STB_LOCAL, STT_FILE), 0, - SHN_ABS, file->filename); - - ret = tcc_assemble_internal(s1, do_preprocess); - - cur_text_section->data_offset = ind; - - free_defines(define_start); - - return ret; -} - -/********************************************************************/ -/* GCC inline asm support */ - -/* assemble the string 'str' in the current C compilation unit without - C preprocessing. NOTE: str is modified by modifying the '\0' at the - end */ -static void tcc_assemble_inline(TCCState *s1, char *str, int len) -{ - int saved_parse_flags; - const int *saved_macro_ptr; - - saved_parse_flags = parse_flags; - saved_macro_ptr = macro_ptr; - - tcc_open_bf(s1, ":asm:", len); - memcpy(file->buffer, str, len); - - macro_ptr = NULL; - tcc_assemble_internal(s1, 0); - tcc_close(); - - parse_flags = saved_parse_flags; - macro_ptr = saved_macro_ptr; -} - -/* find a constraint by its number or id (gcc 3 extended - syntax). return -1 if not found. Return in *pp in char after the - constraint */ -ST_FUNC int find_constraint(ASMOperand *operands, int nb_operands, - const char *name, const char **pp) -{ - int index; - TokenSym *ts; - const char *p; - - if (isnum(*name)) { - index = 0; - while (isnum(*name)) { - index = (index * 10) + (*name) - '0'; - name++; - } - if ((unsigned)index >= nb_operands) - index = -1; - } else if (*name == '[') { - name++; - p = strchr(name, ']'); - if (p) { - ts = tok_alloc(name, p - name); - for(index = 0; index < nb_operands; index++) { - if (operands[index].id == ts->tok) - goto found; - } - index = -1; - found: - name = p + 1; - } else { - index = -1; - } - } else { - index = -1; - } - if (pp) - *pp = name; - return index; -} - -static void subst_asm_operands(ASMOperand *operands, int nb_operands, - int nb_outputs, - CString *out_str, CString *in_str) -{ - int c, index, modifier; - const char *str; - ASMOperand *op; - SValue sv; - - cstr_new(out_str); - str = in_str->data; - for(;;) { - c = *str++; - if (c == '%') { - if (*str == '%') { - str++; - goto add_char; - } - modifier = 0; - if (*str == 'c' || *str == 'n' || - *str == 'b' || *str == 'w' || *str == 'h') - modifier = *str++; - index = find_constraint(operands, nb_operands, str, &str); - if (index < 0) - tcc_error("invalid operand reference after %%"); - op = &operands[index]; - sv = *op->vt; - if (op->reg >= 0) { - sv.r = op->reg; - if ((op->vt->r & VT_VALMASK) == VT_LLOCAL && op->is_memory) - sv.r |= VT_LVAL; - } - subst_asm_operand(out_str, &sv, modifier); - } else { - add_char: - cstr_ccat(out_str, c); - if (c == '\0') - break; - } - } -} - - -static void parse_asm_operands(ASMOperand *operands, int *nb_operands_ptr, - int is_output) -{ - ASMOperand *op; - int nb_operands; - - if (tok != ':') { - nb_operands = *nb_operands_ptr; - for(;;) { - if (nb_operands >= MAX_ASM_OPERANDS) - tcc_error("too many asm operands"); - op = &operands[nb_operands++]; - op->id = 0; - if (tok == '[') { - next(); - if (tok < TOK_IDENT) - expect("identifier"); - op->id = tok; - next(); - skip(']'); - } - if (tok != TOK_STR) - expect("string constant"); - op->constraint = tcc_malloc(tokc.cstr->size); - strcpy(op->constraint, tokc.cstr->data); - next(); - skip('('); - gexpr(); - if (is_output) { - test_lvalue(); - } else { - /* we want to avoid LLOCAL case, except when the 'm' - constraint is used. Note that it may come from - register storage, so we need to convert (reg) - case */ - if ((vtop->r & VT_LVAL) && - ((vtop->r & VT_VALMASK) == VT_LLOCAL || - (vtop->r & VT_VALMASK) < VT_CONST) && - !strchr(op->constraint, 'm')) { - gv(RC_INT); - } - } - op->vt = vtop; - skip(')'); - if (tok == ',') { - next(); - } else { - break; - } - } - *nb_operands_ptr = nb_operands; - } -} - -/* parse the GCC asm() instruction */ -ST_FUNC void asm_instr(void) -{ - CString astr, astr1; - ASMOperand operands[MAX_ASM_OPERANDS]; - int nb_outputs, nb_operands, i, must_subst, out_reg; - uint8_t clobber_regs[NB_ASM_REGS]; - - next(); - /* since we always generate the asm() instruction, we can ignore - volatile */ - if (tok == TOK_VOLATILE1 || tok == TOK_VOLATILE2 || tok == TOK_VOLATILE3) { - next(); - } - parse_asm_str(&astr); - nb_operands = 0; - nb_outputs = 0; - must_subst = 0; - memset(clobber_regs, 0, sizeof(clobber_regs)); - if (tok == ':') { - next(); - must_subst = 1; - /* output args */ - parse_asm_operands(operands, &nb_operands, 1); - nb_outputs = nb_operands; - if (tok == ':') { - next(); - if (tok != ')') { - /* input args */ - parse_asm_operands(operands, &nb_operands, 0); - if (tok == ':') { - /* clobber list */ - /* XXX: handle registers */ - next(); - for(;;) { - if (tok != TOK_STR) - expect("string constant"); - asm_clobber(clobber_regs, tokc.cstr->data); - next(); - if (tok == ',') { - next(); - } else { - break; - } - } - } - } - } - } - skip(')'); - /* NOTE: we do not eat the ';' so that we can restore the current - token after the assembler parsing */ - if (tok != ';') - expect("';'"); - - /* save all values in the memory */ - save_regs(0); - - /* compute constraints */ - asm_compute_constraints(operands, nb_operands, nb_outputs, - clobber_regs, &out_reg); - - /* substitute the operands in the asm string. No substitution is - done if no operands (GCC behaviour) */ -#ifdef ASM_DEBUG - printf("asm: \"%s\"\n", (char *)astr.data); -#endif - if (must_subst) { - subst_asm_operands(operands, nb_operands, nb_outputs, &astr1, &astr); - cstr_free(&astr); - } else { - astr1 = astr; - } -#ifdef ASM_DEBUG - printf("subst_asm: \"%s\"\n", (char *)astr1.data); -#endif - - /* generate loads */ - asm_gen_code(operands, nb_operands, nb_outputs, 0, - clobber_regs, out_reg); - - /* assemble the string with tcc internal assembler */ - tcc_assemble_inline(tcc_state, astr1.data, astr1.size - 1); - - /* restore the current C token */ - next(); - - /* store the output values if needed */ - asm_gen_code(operands, nb_operands, nb_outputs, 1, - clobber_regs, out_reg); - - /* free everything */ - for(i=0;iconstraint); - vpop(); - } - cstr_free(&astr1); -} - -ST_FUNC void asm_global_instr(void) -{ - CString astr; - - next(); - parse_asm_str(&astr); - skip(')'); - /* NOTE: we do not eat the ';' so that we can restore the current - token after the assembler parsing */ - if (tok != ';') - expect("';'"); - -#ifdef ASM_DEBUG - printf("asm_global: \"%s\"\n", (char *)astr.data); -#endif - cur_text_section = text_section; - ind = cur_text_section->data_offset; - - /* assemble the string with tcc internal assembler */ - tcc_assemble_inline(tcc_state, astr.data, astr.size - 1); - - cur_text_section->data_offset = ind; - - /* restore the current C token */ - next(); - - cstr_free(&astr); -} -#endif /* CONFIG_TCC_ASM */ diff --git a/src/tcccoff.c b/src/tcccoff.c deleted file mode 100644 index 1964bed..0000000 --- a/src/tcccoff.c +++ /dev/null @@ -1,924 +0,0 @@ -/* - * COFF file handling for TCC - * - * Copyright (c) 2003, 2004 TK - * Copyright (c) 2004 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "tcc.h" - -#define MAXNSCNS 255 /* MAXIMUM NUMBER OF SECTIONS */ -#define MAX_STR_TABLE 1000000 -AOUTHDR o_filehdr; /* OPTIONAL (A.OUT) FILE HEADER */ - -SCNHDR section_header[MAXNSCNS]; - -#define MAX_FUNCS 1000 -#define MAX_FUNC_NAME_LENGTH 128 - -int nFuncs; -char Func[MAX_FUNCS][MAX_FUNC_NAME_LENGTH]; -char AssociatedFile[MAX_FUNCS][MAX_FUNC_NAME_LENGTH]; -int LineNoFilePtr[MAX_FUNCS]; -int EndAddress[MAX_FUNCS]; -int LastLineNo[MAX_FUNCS]; -int FuncEntries[MAX_FUNCS]; - -int OutputTheSection(Section* sect); -short int GetCoffFlags(const char* s); -void SortSymbolTable(void); -Section* FindSection(TCCState* s1, const char* sname); - -int C67_main_entry_point; - -int FindCoffSymbolIndex(const char* func_name); -int nb_syms; - -typedef struct { - long tag; - long size; - long fileptr; - long nextsym; - short int dummy; -} AUXFUNC; - -typedef struct { - long regmask; - unsigned short lineno; - unsigned short nentries; - int localframe; - int nextentry; - short int dummy; -} AUXBF; - -typedef struct { - long dummy; - unsigned short lineno; - unsigned short dummy1; - int dummy2; - int dummy3; - unsigned short dummy4; -} AUXEF; - -ST_FUNC int tcc_output_coff(TCCState* s1, FILE* f) -{ - Section* tcc_sect; - SCNHDR* coff_sec; - int file_pointer; - char* Coff_str_table, *pCoff_str_table; - int CoffTextSectionNo, coff_nb_syms; - FILHDR file_hdr; /* FILE HEADER STRUCTURE */ - Section* stext, *sdata, *sbss; - int i, NSectionsToOutput = 0; - - Coff_str_table = pCoff_str_table = NULL; - - stext = FindSection(s1, ".text"); - sdata = FindSection(s1, ".data"); - sbss = FindSection(s1, ".bss"); - - nb_syms = symtab_section->data_offset / sizeof(Elf32_Sym); - coff_nb_syms = FindCoffSymbolIndex("XXXXXXXXXX1"); - - file_hdr.f_magic = COFF_C67_MAGIC; /* magic number */ - file_hdr.f_timdat = 0; /* time & date stamp */ - file_hdr.f_opthdr = sizeof(AOUTHDR); /* sizeof(optional hdr) */ - file_hdr.f_flags = 0x1143; /* flags (copied from what code composer does) */ - file_hdr.f_TargetID = 0x99; /* for C6x = 0x0099 */ - - o_filehdr.magic = 0x0108; /* see magic.h */ - o_filehdr.vstamp = 0x0190; /* version stamp */ - o_filehdr.tsize = - stext->data_offset; /* text size in bytes, padded to FW bdry */ - o_filehdr.dsize = sdata->data_offset; /* initialized data " " */ - o_filehdr.bsize = sbss->data_offset; /* uninitialized data " " */ - o_filehdr.entrypt = C67_main_entry_point; /* entry pt. */ - o_filehdr.text_start = stext->sh_addr; /* base of text used for this file */ - o_filehdr.data_start = sdata->sh_addr; /* base of data used for this file */ - - // create all the section headers - - file_pointer = FILHSZ + sizeof(AOUTHDR); - - CoffTextSectionNo = -1; - - for (i = 1; i < s1->nb_sections; i++) { - coff_sec = §ion_header[i]; - tcc_sect = s1->sections[i]; - - if (OutputTheSection(tcc_sect)) { - NSectionsToOutput++; - - if (CoffTextSectionNo == -1 && tcc_sect == stext) - CoffTextSectionNo = NSectionsToOutput; // rem which coff sect - // number the .text sect - // is - - strcpy(coff_sec->s_name, tcc_sect->name); /* section name */ - - coff_sec->s_paddr = tcc_sect->sh_addr; /* physical address */ - coff_sec->s_vaddr = tcc_sect->sh_addr; /* virtual address */ - coff_sec->s_size = tcc_sect->data_offset; /* section size */ - coff_sec->s_scnptr = 0; /* file ptr to raw data for section */ - coff_sec->s_relptr = 0; /* file ptr to relocation */ - coff_sec->s_lnnoptr = 0; /* file ptr to line numbers */ - coff_sec->s_nreloc = 0; /* number of relocation entries */ - coff_sec->s_flags = GetCoffFlags(coff_sec->s_name); /* flags */ - coff_sec->s_reserved = 0; /* reserved byte */ - coff_sec->s_page = 0; /* memory page id */ - - file_pointer += sizeof(SCNHDR); - } - } - - file_hdr.f_nscns = NSectionsToOutput; /* number of sections */ - - // now loop through and determine file pointer locations - // for the raw data - - for (i = 1; i < s1->nb_sections; i++) { - coff_sec = §ion_header[i]; - tcc_sect = s1->sections[i]; - - if (OutputTheSection(tcc_sect)) { - // put raw data - coff_sec->s_scnptr = - file_pointer; /* file ptr to raw data for section */ - file_pointer += coff_sec->s_size; - } - } - - // now loop through and determine file pointer locations - // for the relocation data - - for (i = 1; i < s1->nb_sections; i++) { - coff_sec = §ion_header[i]; - tcc_sect = s1->sections[i]; - - if (OutputTheSection(tcc_sect)) { - // put relocations data - if (coff_sec->s_nreloc > 0) { - coff_sec->s_relptr = file_pointer; /* file ptr to relocation */ - file_pointer += coff_sec->s_nreloc * sizeof(struct reloc); - } - } - } - - // now loop through and determine file pointer locations - // for the line number data - - for (i = 1; i < s1->nb_sections; i++) { - coff_sec = §ion_header[i]; - tcc_sect = s1->sections[i]; - - coff_sec->s_nlnno = 0; - coff_sec->s_lnnoptr = 0; - - if (s1->do_debug && tcc_sect == stext) { - // count how many line nos data - - // also find association between source file name and function - // so we can sort the symbol table - - Stab_Sym* sym, *sym_end; - char func_name[MAX_FUNC_NAME_LENGTH], - last_func_name[MAX_FUNC_NAME_LENGTH]; - unsigned long func_addr, last_pc, pc; - const char* incl_files[INCLUDE_STACK_SIZE]; - int incl_index, len, last_line_num; - const char* str, *p; - - coff_sec->s_lnnoptr = file_pointer; /* file ptr to linno */ - - func_name[0] = '\0'; - func_addr = 0; - incl_index = 0; - last_func_name[0] = '\0'; - last_pc = 0xffffffff; - last_line_num = 1; - sym = (Stab_Sym*)stab_section->data + 1; - sym_end = - (Stab_Sym*)(stab_section->data + stab_section->data_offset); - - nFuncs = 0; - while (sym < sym_end) { - switch (sym->n_type) { - /* function start or end */ - case N_FUN: - if (sym->n_strx == 0) { - // end of function - - coff_sec->s_nlnno++; - file_pointer += LINESZ; - - pc = sym->n_value + func_addr; - func_name[0] = '\0'; - func_addr = 0; - EndAddress[nFuncs] = pc; - FuncEntries[nFuncs] = - (file_pointer - LineNoFilePtr[nFuncs]) / LINESZ - 1; - LastLineNo[nFuncs++] = last_line_num + 1; - } else { - // beginning of function - - LineNoFilePtr[nFuncs] = file_pointer; - coff_sec->s_nlnno++; - file_pointer += LINESZ; - - str = (const char*)stabstr_section->data + sym->n_strx; - - p = strchr(str, ':'); - if (!p) { - pstrcpy(func_name, sizeof(func_name), str); - pstrcpy(Func[nFuncs], sizeof(func_name), str); - } else { - len = p - str; - if (len > sizeof(func_name) - 1) - len = sizeof(func_name) - 1; - memcpy(func_name, str, len); - memcpy(Func[nFuncs], str, len); - func_name[len] = '\0'; - } - - // save the file that it came in so we can sort later - pstrcpy(AssociatedFile[nFuncs], sizeof(func_name), - incl_files[incl_index - 1]); - - func_addr = sym->n_value; - } - break; - - /* line number info */ - case N_SLINE: - pc = sym->n_value + func_addr; - - last_pc = pc; - last_line_num = sym->n_desc; - - /* XXX: slow! */ - strcpy(last_func_name, func_name); - - coff_sec->s_nlnno++; - file_pointer += LINESZ; - break; - /* include files */ - case N_BINCL: - str = (const char*)stabstr_section->data + sym->n_strx; - add_incl: - if (incl_index < INCLUDE_STACK_SIZE) { - incl_files[incl_index++] = str; - } - break; - case N_EINCL: - if (incl_index > 1) - incl_index--; - break; - case N_SO: - if (sym->n_strx == 0) { - incl_index = 0; /* end of translation unit */ - } else { - str = (const char*)stabstr_section->data + sym->n_strx; - /* do not add path */ - len = strlen(str); - if (len > 0 && str[len - 1] != '/') - goto add_incl; - } - break; - } - sym++; - } - } - } - - file_hdr.f_symptr = file_pointer; /* file pointer to symtab */ - - if (s1->do_debug) - file_hdr.f_nsyms = coff_nb_syms; /* number of symtab entries */ - else - file_hdr.f_nsyms = 0; - - file_pointer += file_hdr.f_nsyms * SYMNMLEN; - - // OK now we are all set to write the file - - fwrite(&file_hdr, FILHSZ, 1, f); - fwrite(&o_filehdr, sizeof(o_filehdr), 1, f); - - // write section headers - for (i = 1; i < s1->nb_sections; i++) { - coff_sec = §ion_header[i]; - tcc_sect = s1->sections[i]; - - if (OutputTheSection(tcc_sect)) { - fwrite(coff_sec, sizeof(SCNHDR), 1, f); - } - } - - // write raw data - for (i = 1; i < s1->nb_sections; i++) { - coff_sec = §ion_header[i]; - tcc_sect = s1->sections[i]; - - if (OutputTheSection(tcc_sect)) { - fwrite(tcc_sect->data, tcc_sect->data_offset, 1, f); - } - } - - // write relocation data - for (i = 1; i < s1->nb_sections; i++) { - coff_sec = §ion_header[i]; - tcc_sect = s1->sections[i]; - - if (OutputTheSection(tcc_sect)) { - // put relocations data - if (coff_sec->s_nreloc > 0) { - fwrite(tcc_sect->reloc, - coff_sec->s_nreloc * sizeof(struct reloc), 1, f); - } - } - } - - // group the symbols in order of filename, func1, func2, etc - // finally global symbols - - if (s1->do_debug) - SortSymbolTable(); - - // write line no data - - for (i = 1; i < s1->nb_sections; i++) { - coff_sec = §ion_header[i]; - tcc_sect = s1->sections[i]; - - if (s1->do_debug && tcc_sect == stext) { - // count how many line nos data - - Stab_Sym* sym, *sym_end; - char func_name[128], last_func_name[128]; - unsigned long func_addr, last_pc, pc; - const char* incl_files[INCLUDE_STACK_SIZE]; - int incl_index, len, last_line_num; - const char* str, *p; - - LINENO CoffLineNo; - - func_name[0] = '\0'; - func_addr = 0; - incl_index = 0; - last_func_name[0] = '\0'; - last_pc = 0; - last_line_num = 1; - sym = (Stab_Sym*)stab_section->data + 1; - sym_end = - (Stab_Sym*)(stab_section->data + stab_section->data_offset); - - while (sym < sym_end) { - switch (sym->n_type) { - /* function start or end */ - case N_FUN: - if (sym->n_strx == 0) { - // end of function - - CoffLineNo.l_addr.l_paddr = last_pc; - CoffLineNo.l_lnno = last_line_num + 1; - fwrite(&CoffLineNo, 6, 1, f); - - pc = sym->n_value + func_addr; - func_name[0] = '\0'; - func_addr = 0; - } else { - // beginning of function - - str = (const char*)stabstr_section->data + sym->n_strx; - - p = strchr(str, ':'); - if (!p) { - pstrcpy(func_name, sizeof(func_name), str); - } else { - len = p - str; - if (len > sizeof(func_name) - 1) - len = sizeof(func_name) - 1; - memcpy(func_name, str, len); - func_name[len] = '\0'; - } - func_addr = sym->n_value; - last_pc = func_addr; - last_line_num = -1; - - // output a function begin - - CoffLineNo.l_addr.l_symndx = - FindCoffSymbolIndex(func_name); - CoffLineNo.l_lnno = 0; - - fwrite(&CoffLineNo, 6, 1, f); - } - break; - - /* line number info */ - case N_SLINE: - pc = sym->n_value + func_addr; - - /* XXX: slow! */ - strcpy(last_func_name, func_name); - - // output a line reference - - CoffLineNo.l_addr.l_paddr = last_pc; - - if (last_line_num == -1) { - CoffLineNo.l_lnno = sym->n_desc; - } else { - CoffLineNo.l_lnno = last_line_num + 1; - } - - fwrite(&CoffLineNo, 6, 1, f); - - last_pc = pc; - last_line_num = sym->n_desc; - - break; - - /* include files */ - case N_BINCL: - str = (const char*)stabstr_section->data + sym->n_strx; - add_incl2: - if (incl_index < INCLUDE_STACK_SIZE) { - incl_files[incl_index++] = str; - } - break; - case N_EINCL: - if (incl_index > 1) - incl_index--; - break; - case N_SO: - if (sym->n_strx == 0) { - incl_index = 0; /* end of translation unit */ - } else { - str = (const char*)stabstr_section->data + sym->n_strx; - /* do not add path */ - len = strlen(str); - if (len > 0 && str[len - 1] != '/') - goto add_incl2; - } - break; - } - sym++; - } - } - } - - // write symbol table - if (s1->do_debug) { - int k; - struct syment csym; - AUXFUNC auxfunc; - AUXBF auxbf; - AUXEF auxef; - int i; - Elf32_Sym* p; - const char* name; - int nstr; - int n = 0; - - Coff_str_table = (char*)tcc_malloc(MAX_STR_TABLE); - pCoff_str_table = Coff_str_table; - nstr = 0; - - p = (Elf32_Sym*)symtab_section->data; - - for (i = 0; i < nb_syms; i++) { - - name = symtab_section->link->data + p->st_name; - - for (k = 0; k < 8; k++) - csym._n._n_name[k] = 0; - - if (strlen(name) <= 8) { - strcpy(csym._n._n_name, name); - } else { - if (pCoff_str_table - Coff_str_table + strlen(name) > - MAX_STR_TABLE - 1) - tcc_error("String table too large"); - - csym._n._n_n._n_zeroes = 0; - csym._n._n_n._n_offset = pCoff_str_table - Coff_str_table + 4; - - strcpy(pCoff_str_table, name); - pCoff_str_table += strlen(name) + 1; // skip over null - nstr++; - } - - if (p->st_info == 4) { - // put a filename symbol - csym.n_value = 33; // ????? - csym.n_scnum = N_DEBUG; - csym.n_type = 0; - csym.n_sclass = C_FILE; - csym.n_numaux = 0; - fwrite(&csym, 18, 1, f); - n++; - - } else if (p->st_info == 0x12) { - // find the function data - - for (k = 0; k < nFuncs; k++) { - if (strcmp(name, Func[k]) == 0) - break; - } - - if (k >= nFuncs) { - tcc_error("debug info can't find function: %s", name); - } - // put a Function Name - - csym.n_value = p->st_value; // physical address - csym.n_scnum = CoffTextSectionNo; - csym.n_type = MKTYPE(T_INT, DT_FCN, 0, 0, 0, 0, 0); - csym.n_sclass = C_EXT; - csym.n_numaux = 1; - fwrite(&csym, 18, 1, f); - - // now put aux info - - auxfunc.tag = 0; - auxfunc.size = EndAddress[k] - p->st_value; - auxfunc.fileptr = LineNoFilePtr[k]; - auxfunc.nextsym = n + 6; // tktk - auxfunc.dummy = 0; - fwrite(&auxfunc, 18, 1, f); - - // put a .bf - - strcpy(csym._n._n_name, ".bf"); - csym.n_value = p->st_value; // physical address - csym.n_scnum = CoffTextSectionNo; - csym.n_type = 0; - csym.n_sclass = C_FCN; - csym.n_numaux = 1; - fwrite(&csym, 18, 1, f); - - // now put aux info - - auxbf.regmask = 0; - auxbf.lineno = 0; - auxbf.nentries = FuncEntries[k]; - auxbf.localframe = 0; - auxbf.nextentry = n + 6; - auxbf.dummy = 0; - fwrite(&auxbf, 18, 1, f); - - // put a .ef - - strcpy(csym._n._n_name, ".ef"); - csym.n_value = EndAddress[k]; // physical address - csym.n_scnum = CoffTextSectionNo; - csym.n_type = 0; - csym.n_sclass = C_FCN; - csym.n_numaux = 1; - fwrite(&csym, 18, 1, f); - - // now put aux info - - auxef.dummy = 0; - auxef.lineno = LastLineNo[k]; - auxef.dummy1 = 0; - auxef.dummy2 = 0; - auxef.dummy3 = 0; - auxef.dummy4 = 0; - fwrite(&auxef, 18, 1, f); - - n += 6; - - } else { - // try an put some type info - - if ((p->st_other & VT_BTYPE) == VT_DOUBLE) { - csym.n_type = T_DOUBLE; // int - csym.n_sclass = C_EXT; - } else if ((p->st_other & VT_BTYPE) == VT_FLOAT) { - csym.n_type = T_FLOAT; - csym.n_sclass = C_EXT; - } else if ((p->st_other & VT_BTYPE) == VT_INT) { - csym.n_type = T_INT; // int - csym.n_sclass = C_EXT; - } else if ((p->st_other & VT_BTYPE) == VT_SHORT) { - csym.n_type = T_SHORT; - csym.n_sclass = C_EXT; - } else if ((p->st_other & VT_BTYPE) == VT_BYTE) { - csym.n_type = T_CHAR; - csym.n_sclass = C_EXT; - } else { - csym.n_type = T_INT; // just mark as a label - csym.n_sclass = C_LABEL; - } - - csym.n_value = p->st_value; - csym.n_scnum = 2; - csym.n_numaux = 1; - fwrite(&csym, 18, 1, f); - - auxfunc.tag = 0; - auxfunc.size = 0x20; - auxfunc.fileptr = 0; - auxfunc.nextsym = 0; - auxfunc.dummy = 0; - fwrite(&auxfunc, 18, 1, f); - n++; - n++; - } - - p++; - } - } - - if (s1->do_debug) { - // write string table - - // first write the size - i = pCoff_str_table - Coff_str_table; - fwrite(&i, 4, 1, f); - - // then write the strings - fwrite(Coff_str_table, i, 1, f); - - tcc_free(Coff_str_table); - } - - return 0; -} - -// group the symbols in order of filename, func1, func2, etc -// finally global symbols - -void SortSymbolTable(void) -{ - int i, j, k, n = 0; - Elf32_Sym* p, *p2, *NewTable; - char* name, *name2; - - NewTable = (Elf32_Sym*)tcc_malloc(nb_syms * sizeof(Elf32_Sym)); - - p = (Elf32_Sym*)symtab_section->data; - - // find a file symbol, copy it over - // then scan the whole symbol list and copy any function - // symbols that match the file association - - for (i = 0; i < nb_syms; i++) { - if (p->st_info == 4) { - name = (char*)symtab_section->link->data + p->st_name; - - // this is a file symbol, copy it over - - NewTable[n++] = *p; - - p2 = (Elf32_Sym*)symtab_section->data; - - for (j = 0; j < nb_syms; j++) { - if (p2->st_info == 0x12) { - // this is a func symbol - - name2 = (char*)symtab_section->link->data + p2->st_name; - - // find the function data index - - for (k = 0; k < nFuncs; k++) { - if (strcmp(name2, Func[k]) == 0) - break; - } - - if (k >= nFuncs) { - tcc_error("debug (sort) info can't find function: %s", - name2); - } - - if (strcmp(AssociatedFile[k], name) == 0) { - // yes they match copy it over - - NewTable[n++] = *p2; - } - } - p2++; - } - } - p++; - } - - // now all the filename and func symbols should have been copied over - // copy all the rest over (all except file and funcs) - - p = (Elf32_Sym*)symtab_section->data; - for (i = 0; i < nb_syms; i++) { - if (p->st_info != 4 && p->st_info != 0x12) { - NewTable[n++] = *p; - } - p++; - } - - if (n != nb_syms) - tcc_error("Internal Compiler error, debug info"); - - // copy it all back - - p = (Elf32_Sym*)symtab_section->data; - for (i = 0; i < nb_syms; i++) { - *p++ = NewTable[i]; - } - - tcc_free(NewTable); -} - -int FindCoffSymbolIndex(const char* func_name) -{ - int i, n = 0; - Elf32_Sym* p; - char* name; - - p = (Elf32_Sym*)symtab_section->data; - - for (i = 0; i < nb_syms; i++) { - - name = (char*)symtab_section->link->data + p->st_name; - - if (p->st_info == 4) { - // put a filename symbol - n++; - } else if (p->st_info == 0x12) { - - if (strcmp(func_name, name) == 0) - return n; - - n += 6; - - // put a Function Name - - // now put aux info - - // put a .bf - - // now put aux info - - // put a .ef - - // now put aux info - - } else { - n += 2; - } - - p++; - } - - return n; // total number of symbols -} - -int OutputTheSection(Section* sect) -{ - const char* s = sect->name; - - if (!strcmp(s, ".text")) - return 1; - else if (!strcmp(s, ".data")) - return 1; - else - return 0; -} - -short int GetCoffFlags(const char* s) -{ - if (!strcmp(s, ".text")) - return STYP_TEXT | STYP_DATA | STYP_ALIGN | 0x400; - else if (!strcmp(s, ".data")) - return STYP_DATA; - else if (!strcmp(s, ".bss")) - return STYP_BSS; - else if (!strcmp(s, ".stack")) - return STYP_BSS | STYP_ALIGN | 0x200; - else if (!strcmp(s, ".cinit")) - return STYP_COPY | STYP_DATA | STYP_ALIGN | 0x200; - else - return 0; -} - -Section* FindSection(TCCState* s1, const char* sname) -{ - Section* s; - int i; - - for (i = 1; i < s1->nb_sections; i++) { - s = s1->sections[i]; - - if (!strcmp(sname, s->name)) - return s; - } - - tcc_error("could not find section %s", sname); - return 0; -} - -ST_FUNC int tcc_load_coff(TCCState* s1, int fd) -{ - // tktk TokenSym *ts; - - FILE* f; - unsigned int str_size; - char* Coff_str_table, *name; - int i, k; - struct syment csym; - char name2[9]; - FILHDR file_hdr; /* FILE HEADER STRUCTURE */ - - f = fdopen(fd, "rb"); - if (!f) { - tcc_error("Unable to open .out file for input"); - } - - if (fread(&file_hdr, FILHSZ, 1, f) != 1) - tcc_error("error reading .out file for input"); - - if (fread(&o_filehdr, sizeof(o_filehdr), 1, f) != 1) - tcc_error("error reading .out file for input"); - - // first read the string table - - if (fseek(f, file_hdr.f_symptr + file_hdr.f_nsyms * SYMESZ, SEEK_SET)) - tcc_error("error reading .out file for input"); - - if (fread(&str_size, sizeof(int), 1, f) != 1) - tcc_error("error reading .out file for input"); - - Coff_str_table = (char*)tcc_malloc(str_size); - - if (fread(Coff_str_table, str_size - 4, 1, f) != 1) - tcc_error("error reading .out file for input"); - - // read/process all the symbols - - // seek back to symbols - - if (fseek(f, file_hdr.f_symptr, SEEK_SET)) - tcc_error("error reading .out file for input"); - - for (i = 0; i < file_hdr.f_nsyms; i++) { - if (fread(&csym, SYMESZ, 1, f) != 1) - tcc_error("error reading .out file for input"); - - if (csym._n._n_n._n_zeroes == 0) { - name = Coff_str_table + csym._n._n_n._n_offset - 4; - } else { - name = csym._n._n_name; - - if (name[7] != 0) { - for (k = 0; k < 8; k++) - name2[k] = name[k]; - - name2[8] = 0; - - name = name2; - } - } - // if (strcmp("_DAC_Buffer",name)==0) // tktk - // name[0]=0; - - if (((csym.n_type & 0x30) == 0x20 && csym.n_sclass == 0x2) || - ((csym.n_type & 0x30) == 0x30 && csym.n_sclass == 0x2) || - (csym.n_type == 0x4 && csym.n_sclass == 0x2) || - (csym.n_type == 0x8 && csym.n_sclass == 0x2) || // structures - (csym.n_type == 0x18 && - csym.n_sclass == 0x2) || // pointer to structure - (csym.n_type == 0x7 && csym.n_sclass == 0x2) || // doubles - (csym.n_type == 0x6 && csym.n_sclass == 0x2)) // floats - { - // strip off any leading underscore (except for other main routine) - - if (name[0] == '_' && strcmp(name, "_main") != 0) - name++; - - tcc_add_symbol(s1, name, (void*)(uintptr_t)csym.n_value); - } - // skip any aux records - - if (csym.n_numaux == 1) { - if (fread(&csym, SYMESZ, 1, f) != 1) - tcc_error("error reading .out file for input"); - i++; - } - } - - return 0; -} diff --git a/src/tccelf.c b/src/tccelf.c deleted file mode 100644 index 2bbf479..0000000 --- a/src/tccelf.c +++ /dev/null @@ -1,3504 +0,0 @@ -/* - * ELF file handling for TCC - * - * Copyright (c) 2001-2004 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "tcc.h" - -/* Define this to get some debug output during relocation processing. */ -#undef DEBUG_RELOC - -/* XXX: avoid static variable */ -static int new_undef_sym = 0; /* Is there a new undefined sym since last new_undef_sym() */ - -ST_FUNC int put_elf_str(Section *s, const char *sym) -{ - int offset, len; - char *ptr; - - len = strlen(sym) + 1; - offset = s->data_offset; - ptr = section_ptr_add(s, len); - memcpy(ptr, sym, len); - return offset; -} - -/* elf symbol hashing function */ -static unsigned long elf_hash(const unsigned char *name) -{ - unsigned long h = 0, g; - - while (*name) { - h = (h << 4) + *name++; - g = h & 0xf0000000; - if (g) - h ^= g >> 24; - h &= ~g; - } - return h; -} - -/* rebuild hash table of section s */ -/* NOTE: we do factorize the hash table code to go faster */ -static void rebuild_hash(Section *s, unsigned int nb_buckets) -{ - ElfW(Sym) *sym; - int *ptr, *hash, nb_syms, sym_index, h; - unsigned char *strtab; - - strtab = s->link->data; - nb_syms = s->data_offset / sizeof(ElfW(Sym)); - - s->hash->data_offset = 0; - ptr = section_ptr_add(s->hash, (2 + nb_buckets + nb_syms) * sizeof(int)); - ptr[0] = nb_buckets; - ptr[1] = nb_syms; - ptr += 2; - hash = ptr; - memset(hash, 0, (nb_buckets + 1) * sizeof(int)); - ptr += nb_buckets + 1; - - sym = (ElfW(Sym) *)s->data + 1; - for(sym_index = 1; sym_index < nb_syms; sym_index++) { - if (ELFW(ST_BIND)(sym->st_info) != STB_LOCAL) { - h = elf_hash(strtab + sym->st_name) % nb_buckets; - *ptr = hash[h]; - hash[h] = sym_index; - } else { - *ptr = 0; - } - ptr++; - sym++; - } -} - -/* return the symbol number */ -ST_FUNC int put_elf_sym(Section *s, addr_t value, unsigned long size, - int info, int other, int shndx, const char *name) -{ - int name_offset, sym_index; - int nbuckets, h; - ElfW(Sym) *sym; - Section *hs; - - sym = section_ptr_add(s, sizeof(ElfW(Sym))); - if (name) - name_offset = put_elf_str(s->link, name); - else - name_offset = 0; - /* XXX: endianness */ - sym->st_name = name_offset; - sym->st_value = value; - sym->st_size = size; - sym->st_info = info; - sym->st_other = other; - sym->st_shndx = shndx; - sym_index = sym - (ElfW(Sym) *)s->data; - hs = s->hash; - if (hs) { - int *ptr, *base; - ptr = section_ptr_add(hs, sizeof(int)); - base = (int *)hs->data; - /* only add global or weak symbols */ - if (ELFW(ST_BIND)(info) != STB_LOCAL) { - /* add another hashing entry */ - nbuckets = base[0]; - h = elf_hash((unsigned char *) name) % nbuckets; - *ptr = base[2 + h]; - base[2 + h] = sym_index; - base[1]++; - /* we resize the hash table */ - hs->nb_hashed_syms++; - if (hs->nb_hashed_syms > 2 * nbuckets) { - rebuild_hash(s, 2 * nbuckets); - } - } else { - *ptr = 0; - base[1]++; - } - } - return sym_index; -} - -/* find global ELF symbol 'name' and return its index. Return 0 if not - found. */ -ST_FUNC int find_elf_sym(Section *s, const char *name) -{ - ElfW(Sym) *sym; - Section *hs; - int nbuckets, sym_index, h; - const char *name1; - - hs = s->hash; - if (!hs) - return 0; - nbuckets = ((int *)hs->data)[0]; - h = elf_hash((unsigned char *) name) % nbuckets; - sym_index = ((int *)hs->data)[2 + h]; - while (sym_index != 0) { - sym = &((ElfW(Sym) *)s->data)[sym_index]; - name1 = (char *) s->link->data + sym->st_name; - if (!strcmp(name, name1)) - return sym_index; - sym_index = ((int *)hs->data)[2 + nbuckets + sym_index]; - } - return 0; -} - -/* return elf symbol value, signal error if 'err' is nonzero */ -ST_FUNC addr_t get_elf_sym_addr(TCCState *s, const char *name, int err) -{ - int sym_index; - ElfW(Sym) *sym; - - sym_index = find_elf_sym(s->symtab, name); - sym = &((ElfW(Sym) *)s->symtab->data)[sym_index]; - if (!sym_index || sym->st_shndx == SHN_UNDEF) { - if (err) - tcc_error("%s not defined", name); - return 0; - } - return sym->st_value; -} - -/* return elf symbol value */ -LIBTCCAPI void *tcc_get_symbol(TCCState *s, const char *name) -{ - return (void*)(uintptr_t)get_elf_sym_addr(s, name, 0); -} - -#if defined TCC_IS_NATIVE || defined TCC_TARGET_PE -/* return elf symbol value or error */ -ST_FUNC void* tcc_get_symbol_err(TCCState *s, const char *name) -{ - return (void*)(uintptr_t)get_elf_sym_addr(s, name, 1); -} -#endif - -/* add an elf symbol : check if it is already defined and patch - it. Return symbol index. NOTE that sh_num can be SHN_UNDEF. */ -ST_FUNC int add_elf_sym(Section *s, addr_t value, unsigned long size, - int info, int other, int sh_num, const char *name) -{ - ElfW(Sym) *esym; - int sym_bind, sym_index, sym_type, esym_bind; - unsigned char sym_vis, esym_vis, new_vis; - - sym_bind = ELFW(ST_BIND)(info); - sym_type = ELFW(ST_TYPE)(info); - sym_vis = ELFW(ST_VISIBILITY)(other); - - if (sym_bind != STB_LOCAL) { - /* we search global or weak symbols */ - sym_index = find_elf_sym(s, name); - if (!sym_index) - goto do_def; - esym = &((ElfW(Sym) *)s->data)[sym_index]; - if (esym->st_shndx != SHN_UNDEF) { - esym_bind = ELFW(ST_BIND)(esym->st_info); - /* propagate the most constraining visibility */ - /* STV_DEFAULT(0)st_other); - if (esym_vis == STV_DEFAULT) { - new_vis = sym_vis; - } else if (sym_vis == STV_DEFAULT) { - new_vis = esym_vis; - } else { - new_vis = (esym_vis < sym_vis) ? esym_vis : sym_vis; - } - esym->st_other = (esym->st_other & ~ELFW(ST_VISIBILITY)(-1)) - | new_vis; - other = esym->st_other; /* in case we have to patch esym */ - if (sh_num == SHN_UNDEF) { - /* ignore adding of undefined symbol if the - corresponding symbol is already defined */ - } else if (sym_bind == STB_GLOBAL && esym_bind == STB_WEAK) { - /* global overrides weak, so patch */ - goto do_patch; - } else if (sym_bind == STB_WEAK && esym_bind == STB_GLOBAL) { - /* weak is ignored if already global */ - } else if (sym_bind == STB_WEAK && esym_bind == STB_WEAK) { - /* keep first-found weak definition, ignore subsequents */ - } else if (sym_vis == STV_HIDDEN || sym_vis == STV_INTERNAL) { - /* ignore hidden symbols after */ - } else if (esym->st_shndx == SHN_COMMON - && (sh_num < SHN_LORESERVE || sh_num == SHN_COMMON)) { - /* gr: Happens with 'tcc ... -static tcctest.c' on e.g. Ubuntu 6.01 - No idea if this is the correct solution ... */ - goto do_patch; - } else if (s == tcc_state->dynsymtab_section) { - /* we accept that two DLL define the same symbol */ - } else { -#if 0 - printf("new_bind=%x new_shndx=%x new_vis=%x old_bind=%x old_shndx=%x old_vis=%x\n", - sym_bind, sh_num, new_vis, esym_bind, esym->st_shndx, esym_vis); -#endif - tcc_error_noabort("'%s' defined twice", name); - } - } else { - do_patch: - esym->st_info = ELFW(ST_INFO)(sym_bind, sym_type); - esym->st_shndx = sh_num; - new_undef_sym = 1; - esym->st_value = value; - esym->st_size = size; - esym->st_other = other; - } - } else { - do_def: - sym_index = put_elf_sym(s, value, size, - ELFW(ST_INFO)(sym_bind, sym_type), other, - sh_num, name); - } - return sym_index; -} - -/* put relocation */ -ST_FUNC void put_elf_reloca(Section *symtab, Section *s, unsigned long offset, - int type, int symbol, addr_t addend) -{ - char buf[256]; - Section *sr; - ElfW_Rel *rel; - - sr = s->reloc; - if (!sr) { - /* if no relocation section, create it */ - snprintf(buf, sizeof(buf), REL_SECTION_FMT, s->name); - /* if the symtab is allocated, then we consider the relocation - are also */ - sr = new_section(tcc_state, buf, SHT_RELX, symtab->sh_flags); - sr->sh_entsize = sizeof(ElfW_Rel); - sr->link = symtab; - sr->sh_info = s->sh_num; - s->reloc = sr; - } - rel = section_ptr_add(sr, sizeof(ElfW_Rel)); - rel->r_offset = offset; - rel->r_info = ELFW(R_INFO)(symbol, type); -#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) - rel->r_addend = addend; -#else - if (addend) - tcc_error("non-zero addend on REL architecture"); -#endif -} - -ST_FUNC void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, - int type, int symbol) -{ - put_elf_reloca(symtab, s, offset, type, symbol, 0); -} - -/* put stab debug information */ - -ST_FUNC void put_stabs(const char *str, int type, int other, int desc, - unsigned long value) -{ - Stab_Sym *sym; - - sym = section_ptr_add(stab_section, sizeof(Stab_Sym)); - if (str) { - sym->n_strx = put_elf_str(stabstr_section, str); - } else { - sym->n_strx = 0; - } - sym->n_type = type; - sym->n_other = other; - sym->n_desc = desc; - sym->n_value = value; -} - -ST_FUNC void put_stabs_r(const char *str, int type, int other, int desc, - unsigned long value, Section *sec, int sym_index) -{ - put_stabs(str, type, other, desc, value); - put_elf_reloc(symtab_section, stab_section, - stab_section->data_offset - sizeof(unsigned int), - R_DATA_32, sym_index); -} - -ST_FUNC void put_stabn(int type, int other, int desc, int value) -{ - put_stabs(NULL, type, other, desc, value); -} - -ST_FUNC void put_stabd(int type, int other, int desc) -{ - put_stabs(NULL, type, other, desc, 0); -} - -/* Browse each elem of type in section starting at elem - using variable */ -#define for_each_elem(sec, startoff, elem, type) \ - for (elem = (type *) sec->data + startoff; \ - elem < (type *) (sec->data + sec->data_offset); elem++) - -/* In an ELF file symbol table, the local symbols must appear below - the global and weak ones. Since TCC cannot sort it while generating - the code, we must do it after. All the relocation tables are also - modified to take into account the symbol table sorting */ -static void sort_syms(TCCState *s1, Section *s) -{ - int *old_to_new_syms; - ElfW(Sym) *new_syms; - int nb_syms, i; - ElfW(Sym) *p, *q; - ElfW_Rel *rel; - Section *sr; - int type, sym_index; - - nb_syms = s->data_offset / sizeof(ElfW(Sym)); - new_syms = tcc_malloc(nb_syms * sizeof(ElfW(Sym))); - old_to_new_syms = tcc_malloc(nb_syms * sizeof(int)); - - /* first pass for local symbols */ - p = (ElfW(Sym) *)s->data; - q = new_syms; - for(i = 0; i < nb_syms; i++) { - if (ELFW(ST_BIND)(p->st_info) == STB_LOCAL) { - old_to_new_syms[i] = q - new_syms; - *q++ = *p; - } - p++; - } - /* save the number of local symbols in section header */ - s->sh_info = q - new_syms; - - /* then second pass for non local symbols */ - p = (ElfW(Sym) *)s->data; - for(i = 0; i < nb_syms; i++) { - if (ELFW(ST_BIND)(p->st_info) != STB_LOCAL) { - old_to_new_syms[i] = q - new_syms; - *q++ = *p; - } - p++; - } - - /* we copy the new symbols to the old */ - memcpy(s->data, new_syms, nb_syms * sizeof(ElfW(Sym))); - tcc_free(new_syms); - - /* now we modify all the relocations */ - for(i = 1; i < s1->nb_sections; i++) { - sr = s1->sections[i]; - if (sr->sh_type == SHT_RELX && sr->link == s) { - for_each_elem(sr, 0, rel, ElfW_Rel) { - sym_index = ELFW(R_SYM)(rel->r_info); - type = ELFW(R_TYPE)(rel->r_info); - sym_index = old_to_new_syms[sym_index]; - rel->r_info = ELFW(R_INFO)(sym_index, type); - } - } - } - - tcc_free(old_to_new_syms); -} - -/* relocate common symbols in the .bss section */ -ST_FUNC void relocate_common_syms(void) -{ - ElfW(Sym) *sym; - unsigned long offset, align; - - for_each_elem(symtab_section, 1, sym, ElfW(Sym)) { - if (sym->st_shndx == SHN_COMMON) { - /* align symbol */ - align = sym->st_value; - offset = bss_section->data_offset; - offset = (offset + align - 1) & -align; - sym->st_value = offset; - sym->st_shndx = bss_section->sh_num; - offset += sym->st_size; - bss_section->data_offset = offset; - } - } -} - -/* relocate symbol table, resolve undefined symbols if do_resolve is - true and output error if undefined symbol. */ -ST_FUNC void relocate_syms(TCCState *s1, int do_resolve) -{ - ElfW(Sym) *sym, *esym; - int sym_bind, sh_num, sym_index; - const char *name; - - for_each_elem(symtab_section, 1, sym, ElfW(Sym)) { - sh_num = sym->st_shndx; - if (sh_num == SHN_UNDEF) { - name = (char *) strtab_section->data + sym->st_name; - /* Use ld.so to resolve symbol for us (for tcc -run) */ - if (do_resolve) { -#if defined TCC_IS_NATIVE && !defined _WIN32 - void *addr; - name = (char *) symtab_section->link->data + sym->st_name; - addr = resolve_sym(s1, name); - if (addr) { - sym->st_value = (addr_t)addr; -#ifdef DEBUG_RELOC - printf ("relocate_sym: %s -> 0x%lx\n", name, sym->st_value); -#endif - goto found; - } -#endif - } else if (s1->dynsym) { - /* if dynamic symbol exist, then use it */ - sym_index = find_elf_sym(s1->dynsym, name); - if (sym_index) { - esym = &((ElfW(Sym) *)s1->dynsym->data)[sym_index]; - sym->st_value = esym->st_value; - goto found; - } - } - /* XXX: _fp_hw seems to be part of the ABI, so we ignore - it */ - if (!strcmp(name, "_fp_hw")) - goto found; - /* only weak symbols are accepted to be undefined. Their - value is zero */ - sym_bind = ELFW(ST_BIND)(sym->st_info); - if (sym_bind == STB_WEAK) { - sym->st_value = 0; - } else { - tcc_error_noabort("undefined symbol '%s'", name); - } - } else if (sh_num < SHN_LORESERVE) { - /* add section base */ - sym->st_value += s1->sections[sym->st_shndx]->sh_addr; - } - found: ; - } -} - -/* relocate a given section (CPU dependent) by applying the relocations - in the associated relocation section */ -ST_FUNC void relocate_section(TCCState *s1, Section *s) -{ - Section *sr = s->reloc; - ElfW_Rel *rel; - ElfW(Sym) *sym; - int type, sym_index; - unsigned char *ptr; - addr_t val, addr; -#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 - ElfW_Rel *qrel = (ElfW_Rel *) sr->data; /* ptr to next reloc entry reused */ - int esym_index; -#endif - - for_each_elem(sr, 0, rel, ElfW_Rel) { - ptr = s->data + rel->r_offset; - - sym_index = ELFW(R_SYM)(rel->r_info); - sym = &((ElfW(Sym) *)symtab_section->data)[sym_index]; - val = sym->st_value; -#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) - val += rel->r_addend; -#endif - type = ELFW(R_TYPE)(rel->r_info); - addr = s->sh_addr + rel->r_offset; - - /* CPU specific */ - switch(type) { -#if defined(TCC_TARGET_I386) - case R_386_32: - if (s1->output_type == TCC_OUTPUT_DLL) { - esym_index = s1->symtab_to_dynsym[sym_index]; - qrel->r_offset = rel->r_offset; - if (esym_index) { - qrel->r_info = ELFW(R_INFO)(esym_index, R_386_32); - qrel++; - break; - } else { - qrel->r_info = ELFW(R_INFO)(0, R_386_RELATIVE); - qrel++; - } - } - *(int *)ptr += val; - break; - case R_386_PC32: - if (s1->output_type == TCC_OUTPUT_DLL) { - /* DLL relocation */ - esym_index = s1->symtab_to_dynsym[sym_index]; - if (esym_index) { - qrel->r_offset = rel->r_offset; - qrel->r_info = ELFW(R_INFO)(esym_index, R_386_PC32); - qrel++; - break; - } - } - *(int *)ptr += val - addr; - break; - case R_386_PLT32: - *(int *)ptr += val - addr; - break; - case R_386_GLOB_DAT: - case R_386_JMP_SLOT: - *(int *)ptr = val; - break; - case R_386_GOTPC: - *(int *)ptr += s1->got->sh_addr - addr; - break; - case R_386_GOTOFF: - *(int *)ptr += val - s1->got->sh_addr; - break; - case R_386_GOT32: - /* we load the got offset */ - *(int *)ptr += s1->sym_attrs[sym_index].got_offset; - break; - case R_386_16: - if (s1->output_format != TCC_OUTPUT_FORMAT_BINARY) { - output_file: - tcc_error("can only produce 16-bit binary files"); - } - *(short *)ptr += val; - break; - case R_386_PC16: - if (s1->output_format != TCC_OUTPUT_FORMAT_BINARY) - goto output_file; - *(short *)ptr += val - addr; - break; -#elif defined(TCC_TARGET_ARM) - case R_ARM_PC24: - case R_ARM_CALL: - case R_ARM_JUMP24: - case R_ARM_PLT32: - { - int x, is_thumb, is_call, h, blx_avail, is_bl, th_ko; - x = (*(int *) ptr) & 0xffffff; - if (sym->st_shndx == SHN_UNDEF) - val = s1->plt->sh_addr; -#ifdef DEBUG_RELOC - printf ("reloc %d: x=0x%x val=0x%x ", type, x, val); -#endif - (*(int *)ptr) &= 0xff000000; - if (x & 0x800000) - x -= 0x1000000; - x <<= 2; - blx_avail = (TCC_ARM_VERSION >= 5); - is_thumb = val & 1; - is_bl = (*(unsigned *) ptr) >> 24 == 0xeb; - is_call = (type == R_ARM_CALL || (type == R_ARM_PC24 && is_bl)); - x += val - addr; -#ifdef DEBUG_RELOC - printf (" newx=0x%x name=%s\n", x, - (char *) symtab_section->link->data + sym->st_name); -#endif - h = x & 2; - th_ko = (x & 3) && (!blx_avail || !is_call); - if (th_ko || x >= 0x2000000 || x < -0x2000000) - tcc_error("can't relocate value at %x,%d",addr, type); - x >>= 2; - x &= 0xffffff; - /* Only reached if blx is avail and it is a call */ - if (is_thumb) { - x |= h << 24; - (*(int *)ptr) = 0xfa << 24; /* bl -> blx */ - } - (*(int *) ptr) |= x; - } - break; - /* Since these relocations only concern Thumb-2 and blx instruction was - introduced before Thumb-2, we can assume blx is available and not - guard its use */ - case R_ARM_THM_PC22: - case R_ARM_THM_JUMP24: - { - int x, hi, lo, s, j1, j2, i1, i2, imm10, imm11; - int to_thumb, is_call, to_plt, blx_bit = 1 << 12; - Section *plt; - - /* weak reference */ - if (sym->st_shndx == SHN_UNDEF && - ELFW(ST_BIND)(sym->st_info) == STB_WEAK) - break; - - /* Get initial offset */ - hi = (*(uint16_t *)ptr); - lo = (*(uint16_t *)(ptr+2)); - s = (hi >> 10) & 1; - j1 = (lo >> 13) & 1; - j2 = (lo >> 11) & 1; - i1 = (j1 ^ s) ^ 1; - i2 = (j2 ^ s) ^ 1; - imm10 = hi & 0x3ff; - imm11 = lo & 0x7ff; - x = (s << 24) | (i1 << 23) | (i2 << 22) | - (imm10 << 12) | (imm11 << 1); - if (x & 0x01000000) - x -= 0x02000000; - - /* Relocation infos */ - to_thumb = val & 1; - plt = s1->plt; - to_plt = (val >= plt->sh_addr) && - (val < plt->sh_addr + plt->data_offset); - is_call = (type == R_ARM_THM_PC22); - - /* Compute final offset */ - if (to_plt && !is_call) /* Point to 1st instr of Thumb stub */ - x -= 4; - x += val - addr; - if (!to_thumb && is_call) { - blx_bit = 0; /* bl -> blx */ - x = (x + 3) & -4; /* Compute offset from aligned PC */ - } - - /* Check that relocation is possible - * offset must not be out of range - * if target is to be entered in arm mode: - - bit 1 must not set - - instruction must be a call (bl) or a jump to PLT */ - if (!to_thumb || x >= 0x1000000 || x < -0x1000000) - if (to_thumb || (val & 2) || (!is_call && !to_plt)) - tcc_error("can't relocate value at %x,%d",addr, type); - - /* Compute and store final offset */ - s = (x >> 24) & 1; - i1 = (x >> 23) & 1; - i2 = (x >> 22) & 1; - j1 = s ^ (i1 ^ 1); - j2 = s ^ (i2 ^ 1); - imm10 = (x >> 12) & 0x3ff; - imm11 = (x >> 1) & 0x7ff; - (*(uint16_t *)ptr) = (uint16_t) ((hi & 0xf800) | - (s << 10) | imm10); - (*(uint16_t *)(ptr+2)) = (uint16_t) ((lo & 0xc000) | - (j1 << 13) | blx_bit | (j2 << 11) | - imm11); - } - break; - case R_ARM_MOVT_ABS: - case R_ARM_MOVW_ABS_NC: - { - int x, imm4, imm12; - if (type == R_ARM_MOVT_ABS) - val >>= 16; - imm12 = val & 0xfff; - imm4 = (val >> 12) & 0xf; - x = (imm4 << 16) | imm12; - if (type == R_ARM_THM_MOVT_ABS) - *(int *)ptr |= x; - else - *(int *)ptr += x; - } - break; - case R_ARM_THM_MOVT_ABS: - case R_ARM_THM_MOVW_ABS_NC: - { - int x, i, imm4, imm3, imm8; - if (type == R_ARM_THM_MOVT_ABS) - val >>= 16; - imm8 = val & 0xff; - imm3 = (val >> 8) & 0x7; - i = (val >> 11) & 1; - imm4 = (val >> 12) & 0xf; - x = (imm3 << 28) | (imm8 << 16) | (i << 10) | imm4; - if (type == R_ARM_THM_MOVT_ABS) - *(int *)ptr |= x; - else - *(int *)ptr += x; - } - break; - case R_ARM_PREL31: - { - int x; - x = (*(int *)ptr) & 0x7fffffff; - (*(int *)ptr) &= 0x80000000; - x = (x * 2) / 2; - x += val - addr; - if((x^(x>>1))&0x40000000) - tcc_error("can't relocate value at %x,%d",addr, type); - (*(int *)ptr) |= x & 0x7fffffff; - } - case R_ARM_ABS32: - *(int *)ptr += val; - break; - case R_ARM_REL32: - *(int *)ptr += val - addr; - break; - case R_ARM_GOTPC: - *(int *)ptr += s1->got->sh_addr - addr; - break; - case R_ARM_GOTOFF: - *(int *)ptr += val - s1->got->sh_addr; - break; - case R_ARM_GOT32: - /* we load the got offset */ - *(int *)ptr += s1->sym_attrs[sym_index].got_offset; - break; - case R_ARM_COPY: - break; - case R_ARM_V4BX: - /* trade Thumb support for ARMv4 support */ - if ((0x0ffffff0 & *(int*)ptr) == 0x012FFF10) - *(int*)ptr ^= 0xE12FFF10 ^ 0xE1A0F000; /* BX Rm -> MOV PC, Rm */ - break; - case R_ARM_GLOB_DAT: - case R_ARM_JUMP_SLOT: - *(addr_t *)ptr = val; - break; - case R_ARM_NONE: - /* Nothing to do. Normally used to indicate a dependency - on a certain symbol (like for exception handling under EABI). */ - break; - default: - fprintf(stderr,"FIXME: handle reloc type %x at %x [%p] to %x\n", - type, (unsigned)addr, ptr, (unsigned)val); - break; -#elif defined(TCC_TARGET_ARM64) - case R_AARCH64_ABS64: - *(uint64_t *)ptr = val; - break; - case R_AARCH64_ABS32: - *(uint32_t *)ptr = val; - break; - case R_AARCH64_MOVW_UABS_G0_NC: - *(uint32_t *)ptr = (*(uint32_t *)ptr & 0xffe0001f) | - (val & 0xffff) << 5; - break; - case R_AARCH64_MOVW_UABS_G1_NC: - *(uint32_t *)ptr = (*(uint32_t *)ptr & 0xffe0001f) | - (val >> 16 & 0xffff) << 5; - break; - case R_AARCH64_MOVW_UABS_G2_NC: - *(uint32_t *)ptr = (*(uint32_t *)ptr & 0xffe0001f) | - (val >> 32 & 0xffff) << 5; - break; - case R_AARCH64_MOVW_UABS_G3: - *(uint32_t *)ptr = (*(uint32_t *)ptr & 0xffe0001f) | - (val >> 48 & 0xffff) << 5; - break; - case R_AARCH64_ADR_PREL_PG_HI21: { - uint64_t off = (val >> 12) - (addr >> 12); - if ((off + ((uint64_t)1 << 20)) >> 21) - tcc_error("R_AARCH64_ADR_PREL_PG_HI21 relocation failed"); - *(uint32_t *)ptr = (*(uint32_t *)ptr & 0x9f00001f) | - (off & 0x1ffffc) << 3 | (off & 3) << 29; - break; - } - case R_AARCH64_ADD_ABS_LO12_NC: - *(uint32_t *)ptr = (*(uint32_t *)ptr & 0xffc003ff) | - (val & 0xfff) << 10; - break; - case R_AARCH64_JUMP26: - case R_AARCH64_CALL26: - /* This check must match the one in build_got_entries, testing - if we really need a PLT slot. */ - if (sym->st_shndx == SHN_UNDEF) - /* We've put the PLT slot offset into r_addend when generating - it, and that's what we must use as relocation value (adjusted - by section offset of course). */ - val = s1->plt->sh_addr + rel->r_addend; -#ifdef DEBUG_RELOC - printf ("reloc %d @ 0x%lx: val=0x%lx name=%s\n", type, addr, val, - (char *) symtab_section->link->data + sym->st_name); -#endif - if (((val - addr) + ((uint64_t)1 << 27)) & ~(uint64_t)0xffffffc) - { - tcc_error("R_AARCH64_(JUMP|CALL)26 relocation failed (val=%lx, addr=%lx)", addr, val); - } - *(uint32_t *)ptr = 0x14000000 | (type == R_AARCH64_CALL26) << 31 | - ((val - addr) >> 2 & 0x3ffffff); - break; - case R_AARCH64_ADR_GOT_PAGE: { - uint64_t off = - (((s1->got->sh_addr + - s1->sym_attrs[sym_index].got_offset) >> 12) - (addr >> 12)); - if ((off + ((uint64_t)1 << 20)) >> 21) - tcc_error("R_AARCH64_ADR_GOT_PAGE relocation failed"); - *(uint32_t *)ptr = (*(uint32_t *)ptr & 0x9f00001f) | - (off & 0x1ffffc) << 3 | (off & 3) << 29; - break; - } - case R_AARCH64_LD64_GOT_LO12_NC: - *(uint32_t *)ptr = (*(uint32_t *)ptr & 0xfff803ff) | - ((s1->got->sh_addr + s1->sym_attrs[sym_index].got_offset) - & 0xff8) << 7; - break; - case R_AARCH64_COPY: - break; - case R_AARCH64_GLOB_DAT: - case R_AARCH64_JUMP_SLOT: - /* They don't need addend */ -#ifdef DEBUG_RELOC - printf ("reloc %d @ 0x%lx: val=0x%lx name=%s\n", type, addr, - val - rel->r_addend, - (char *) symtab_section->link->data + sym->st_name); -#endif - *(addr_t *)ptr = val - rel->r_addend; - break; - default: - fprintf(stderr, "FIXME: handle reloc type %x at %x [%p] to %x\n", - type, (unsigned)addr, ptr, (unsigned)val); - break; -#elif defined(TCC_TARGET_C67) - case R_C60_32: - *(int *)ptr += val; - break; - case R_C60LO16: - { - uint32_t orig; - - /* put the low 16 bits of the absolute address - add to what is already there */ - - orig = ((*(int *)(ptr )) >> 7) & 0xffff; - orig |= (((*(int *)(ptr+4)) >> 7) & 0xffff) << 16; - - /* patch both at once - assumes always in pairs Low - High */ - - *(int *) ptr = (*(int *) ptr & (~(0xffff << 7)) ) | (((val+orig) & 0xffff) << 7); - *(int *)(ptr+4) = (*(int *)(ptr+4) & (~(0xffff << 7)) ) | ((((val+orig)>>16) & 0xffff) << 7); - } - break; - case R_C60HI16: - break; - default: - fprintf(stderr,"FIXME: handle reloc type %x at %x [%p] to %x\n", - type, (unsigned)addr, ptr, (unsigned)val); - break; -#elif defined(TCC_TARGET_X86_64) - case R_X86_64_64: - if (s1->output_type == TCC_OUTPUT_DLL) { - esym_index = s1->symtab_to_dynsym[sym_index]; - qrel->r_offset = rel->r_offset; - if (esym_index) { - qrel->r_info = ELFW(R_INFO)(esym_index, R_X86_64_64); - qrel->r_addend = rel->r_addend; - qrel++; - break; - } else { - qrel->r_info = ELFW(R_INFO)(0, R_X86_64_RELATIVE); - qrel->r_addend = *(long long *)ptr + val; - qrel++; - } - } - *(long long *)ptr += val; - break; - case R_X86_64_32: - case R_X86_64_32S: - if (s1->output_type == TCC_OUTPUT_DLL) { - /* XXX: this logic may depend on TCC's codegen - now TCC uses R_X86_64_32 even for a 64bit pointer */ - qrel->r_info = ELFW(R_INFO)(0, R_X86_64_RELATIVE); - qrel->r_addend = *(int *)ptr + val; - qrel++; - } - *(int *)ptr += val; - break; - - case R_X86_64_PC32: - if (s1->output_type == TCC_OUTPUT_DLL) { - /* DLL relocation */ - esym_index = s1->symtab_to_dynsym[sym_index]; - if (esym_index) { - qrel->r_offset = rel->r_offset; - qrel->r_info = ELFW(R_INFO)(esym_index, R_X86_64_PC32); - qrel->r_addend = *(int *)ptr; - qrel++; - break; - } - } - goto plt32pc32; - - case R_X86_64_PLT32: - /* We've put the PLT slot offset into r_addend when generating - it, and that's what we must use as relocation value (adjusted - by section offset of course). */ - val = s1->plt->sh_addr + rel->r_addend; - /* fallthrough. */ - - plt32pc32: - { - long long diff; - diff = (long long)val - addr; - if (diff < -2147483648LL || diff > 2147483647LL) { - tcc_error("internal error: relocation failed"); - } - *(int *)ptr += diff; - } - break; - case R_X86_64_GLOB_DAT: - case R_X86_64_JUMP_SLOT: - /* They don't need addend */ - *(addr_t *)ptr = val - rel->r_addend; - break; - case R_X86_64_GOTPCREL: - *(int *)ptr += (s1->got->sh_addr - addr + - s1->sym_attrs[sym_index].got_offset - 4); - break; - case R_X86_64_GOTTPOFF: - *(int *)ptr += val - s1->got->sh_addr; - break; - case R_X86_64_GOT32: - /* we load the got offset */ - *(int *)ptr += s1->sym_attrs[sym_index].got_offset; - break; -#else -#error unsupported processor -#endif - } - } - /* if the relocation is allocated, we change its symbol table */ - if (sr->sh_flags & SHF_ALLOC) - sr->link = s1->dynsym; -} - -/* relocate relocation table in 'sr' */ -static void relocate_rel(TCCState *s1, Section *sr) -{ - Section *s; - ElfW_Rel *rel; - - s = s1->sections[sr->sh_info]; - for_each_elem(sr, 0, rel, ElfW_Rel) - rel->r_offset += s->sh_addr; -} - -/* count the number of dynamic relocations so that we can reserve - their space */ -static int prepare_dynamic_rel(TCCState *s1, Section *sr) -{ - ElfW_Rel *rel; - int sym_index, esym_index, type, count; - - count = 0; - for_each_elem(sr, 0, rel, ElfW_Rel) { - sym_index = ELFW(R_SYM)(rel->r_info); - type = ELFW(R_TYPE)(rel->r_info); - switch(type) { -#if defined(TCC_TARGET_I386) - case R_386_32: -#elif defined(TCC_TARGET_X86_64) - case R_X86_64_32: - case R_X86_64_32S: - case R_X86_64_64: -#endif - count++; - break; -#if defined(TCC_TARGET_I386) - case R_386_PC32: -#elif defined(TCC_TARGET_X86_64) - case R_X86_64_PC32: -#endif - esym_index = s1->symtab_to_dynsym[sym_index]; - if (esym_index) - count++; - break; - default: - break; - } - } - if (count) { - /* allocate the section */ - sr->sh_flags |= SHF_ALLOC; - sr->sh_size = count * sizeof(ElfW_Rel); - } - return count; -} - -static struct sym_attr *alloc_sym_attr(TCCState *s1, int index) -{ - int n; - struct sym_attr *tab; - - if (index >= s1->nb_sym_attrs) { - /* find immediately bigger power of 2 and reallocate array */ - n = 1; - while (index >= n) - n *= 2; - tab = tcc_realloc(s1->sym_attrs, n * sizeof(*s1->sym_attrs)); - s1->sym_attrs = tab; - memset(s1->sym_attrs + s1->nb_sym_attrs, 0, - (n - s1->nb_sym_attrs) * sizeof(*s1->sym_attrs)); - s1->nb_sym_attrs = n; - } - return &s1->sym_attrs[index]; -} - -/* XXX: suppress that */ -static void put32(unsigned char *p, uint32_t val) -{ - p[0] = val; - p[1] = val >> 8; - p[2] = val >> 16; - p[3] = val >> 24; -} - -#if defined(TCC_TARGET_I386) || defined(TCC_TARGET_ARM) || \ - defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) -static uint32_t get32(unsigned char *p) -{ - return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24); -} -#endif - -static void build_got(TCCState *s1) -{ - unsigned char *ptr; - - /* if no got, then create it */ - s1->got = new_section(s1, ".got", SHT_PROGBITS, SHF_ALLOC | SHF_WRITE); - s1->got->sh_entsize = 4; - add_elf_sym(symtab_section, 0, 4, ELFW(ST_INFO)(STB_GLOBAL, STT_OBJECT), - 0, s1->got->sh_num, "_GLOBAL_OFFSET_TABLE_"); - ptr = section_ptr_add(s1->got, 3 * PTR_SIZE); -#if PTR_SIZE == 4 - /* keep space for _DYNAMIC pointer, if present */ - put32(ptr, 0); - /* two dummy got entries */ - put32(ptr + 4, 0); - put32(ptr + 8, 0); -#else - /* keep space for _DYNAMIC pointer, if present */ - put32(ptr, 0); - put32(ptr + 4, 0); - /* two dummy got entries */ - put32(ptr + 8, 0); - put32(ptr + 12, 0); - put32(ptr + 16, 0); - put32(ptr + 20, 0); -#endif -} - -/* put a got or plt entry corresponding to a symbol in symtab_section. 'size' - and 'info' can be modifed if more precise info comes from the DLL. - Returns offset of GOT or PLT slot. */ -static unsigned long put_got_entry(TCCState *s1, - int reloc_type, unsigned long size, int info, - int sym_index) -{ - int index, need_plt_entry; - const char *name; - ElfW(Sym) *sym; - unsigned long offset; - int *ptr; - struct sym_attr *symattr; - - if (!s1->got) - build_got(s1); - - need_plt_entry = -#ifdef TCC_TARGET_X86_64 - (reloc_type == R_X86_64_JUMP_SLOT); -#elif defined(TCC_TARGET_I386) - (reloc_type == R_386_JMP_SLOT); -#elif defined(TCC_TARGET_ARM) - (reloc_type == R_ARM_JUMP_SLOT); -#elif defined(TCC_TARGET_ARM64) - (reloc_type == R_AARCH64_JUMP_SLOT); -#else - 0; -#endif - - if (need_plt_entry && !s1->plt) { - /* add PLT */ - s1->plt = new_section(s1, ".plt", SHT_PROGBITS, - SHF_ALLOC | SHF_EXECINSTR); - s1->plt->sh_entsize = 4; - } - - /* If a got/plt entry already exists for that symbol, no need to add one */ - if (sym_index < s1->nb_sym_attrs) { - if (need_plt_entry && s1->sym_attrs[sym_index].plt_offset) - return s1->sym_attrs[sym_index].plt_offset; - else if (!need_plt_entry && s1->sym_attrs[sym_index].got_offset) - return s1->sym_attrs[sym_index].got_offset; - } - - symattr = alloc_sym_attr(s1, sym_index); - - /* Only store the GOT offset if it's not generated for the PLT entry. */ - if (!need_plt_entry) - symattr->got_offset = s1->got->data_offset; - - sym = &((ElfW(Sym) *)symtab_section->data)[sym_index]; - name = (char *) symtab_section->link->data + sym->st_name; - offset = sym->st_value; -#if defined(TCC_TARGET_I386) || defined(TCC_TARGET_X86_64) - if (need_plt_entry) { - Section *plt; - uint8_t *p; - int modrm; - unsigned long relofs; - -#if defined(TCC_OUTPUT_DLL_WITH_PLT) - modrm = 0x25; -#else - /* if we build a DLL, we add a %ebx offset */ - if (s1->output_type == TCC_OUTPUT_DLL) - modrm = 0xa3; - else - modrm = 0x25; -#endif - - /* add a PLT entry */ - plt = s1->plt; - if (plt->data_offset == 0) { - /* first plt entry */ - p = section_ptr_add(plt, 16); - p[0] = 0xff; /* pushl got + PTR_SIZE */ - p[1] = modrm + 0x10; - put32(p + 2, PTR_SIZE); - p[6] = 0xff; /* jmp *(got + PTR_SIZE * 2) */ - p[7] = modrm; - put32(p + 8, PTR_SIZE * 2); - } - - /* The PLT slot refers to the relocation entry it needs - via offset. The reloc entry is created below, so its - offset is the current data_offset. */ - relofs = s1->got->reloc ? s1->got->reloc->data_offset : 0; - symattr->plt_offset = plt->data_offset; - p = section_ptr_add(plt, 16); - p[0] = 0xff; /* jmp *(got + x) */ - p[1] = modrm; - put32(p + 2, s1->got->data_offset); - p[6] = 0x68; /* push $xxx */ -#ifdef TCC_TARGET_X86_64 - /* On x86-64, the relocation is referred to by _index_. */ - put32(p + 7, relofs / sizeof (ElfW_Rel)); -#else - put32(p + 7, relofs); -#endif - p[11] = 0xe9; /* jmp plt_start */ - put32(p + 12, -(plt->data_offset)); - - /* If this was an UNDEF symbol set the offset in the - dynsymtab to the PLT slot, so that PC32 relocs to it - can be resolved. */ - if (sym->st_shndx == SHN_UNDEF) - offset = plt->data_offset - 16; - } -#elif defined(TCC_TARGET_ARM) - if (need_plt_entry) { - Section *plt; - uint8_t *p; - - /* if we build a DLL, we add a %ebx offset */ - if (s1->output_type == TCC_OUTPUT_DLL) - tcc_error("DLLs unimplemented!"); - - /* add a PLT entry */ - plt = s1->plt; - if (plt->data_offset == 0) { - /* first plt entry */ - p = section_ptr_add(plt, 16); - put32(p, 0xe52de004); /* push {lr} */ - put32(p+4, 0xe59fe010); /* ldr lr, [pc, #16] */ - put32(p+8, 0xe08fe00e); /* add lr, pc, lr */ - put32(p+12, 0xe5bef008); /* ldr pc, [lr, #8]! */ - } - - symattr->plt_offset = plt->data_offset; - if (symattr->plt_thumb_stub) { - p = section_ptr_add(plt, 20); - put32(p, 0x4778); /* bx pc */ - put32(p+2, 0x46c0); /* nop */ - p += 4; - } else - p = section_ptr_add(plt, 16); - put32(p, 0xe59fc004); /* ldr ip, [pc, #4] ; GOT entry offset */ - put32(p+4, 0xe08fc00c); /* add ip, pc, ip ; addr of GOT entry */ - put32(p+8, 0xe59cf000); /* ldr pc, [ip] ; jump to GOT entry */ - put32(p+12, s1->got->data_offset); /* GOT entry off once patched */ - - /* the symbol is modified so that it will be relocated to - the PLT */ - if (sym->st_shndx == SHN_UNDEF) - offset = plt->data_offset - 16; - } -#elif defined(TCC_TARGET_ARM64) - if (need_plt_entry) { - Section *plt; - uint8_t *p; - - if (s1->output_type == TCC_OUTPUT_DLL) - tcc_error("DLLs unimplemented!"); - - plt = s1->plt; - if (plt->data_offset == 0) - section_ptr_add(plt, 32); - symattr->plt_offset = plt->data_offset; - p = section_ptr_add(plt, 16); - put32(p, s1->got->data_offset); - put32(p + 4, (uint64_t)s1->got->data_offset >> 32); - - if (sym->st_shndx == SHN_UNDEF) - offset = plt->data_offset - 16; - } -#elif defined(TCC_TARGET_C67) - if (s1->dynsym) { - tcc_error("C67 got not implemented"); - } -#else -#error unsupported CPU -#endif - if (s1->dynsym) { - /* XXX This might generate multiple syms for name. */ - index = put_elf_sym(s1->dynsym, offset, - size, info, 0, sym->st_shndx, name); - /* Create the relocation (it's against the GOT for PLT - and GOT relocs). */ - put_elf_reloc(s1->dynsym, s1->got, - s1->got->data_offset, - reloc_type, index); - } else { - /* Without .dynsym (i.e. static link or memory output) we - still need relocs against the generated got, so as to fill - the entries with the symbol values (determined later). */ - put_elf_reloc(symtab_section, s1->got, - s1->got->data_offset, - reloc_type, sym_index); - } - /* And now create the GOT slot itself. */ - ptr = section_ptr_add(s1->got, PTR_SIZE); - *ptr = 0; - if (need_plt_entry) - return symattr->plt_offset; - else - return symattr->got_offset; -} - -/* build GOT and PLT entries */ -ST_FUNC void build_got_entries(TCCState *s1) -{ - Section *s; - ElfW_Rel *rel; - ElfW(Sym) *sym; - int i, type, reloc_type, sym_index; - - for(i = 1; i < s1->nb_sections; i++) { - s = s1->sections[i]; - if (s->sh_type != SHT_RELX) - continue; - /* no need to handle got relocations */ - if (s->link != symtab_section) - continue; - for_each_elem(s, 0, rel, ElfW_Rel) { - type = ELFW(R_TYPE)(rel->r_info); - switch(type) { -#if defined(TCC_TARGET_I386) - case R_386_GOT32: - case R_386_GOTOFF: - case R_386_GOTPC: - case R_386_PLT32: - if (!s1->got) - build_got(s1); - if (type == R_386_GOT32 || type == R_386_PLT32) { - sym_index = ELFW(R_SYM)(rel->r_info); - sym = &((ElfW(Sym) *)symtab_section->data)[sym_index]; - /* look at the symbol got offset. If none, then add one */ - if (type == R_386_GOT32) - reloc_type = R_386_GLOB_DAT; - else - reloc_type = R_386_JMP_SLOT; - put_got_entry(s1, reloc_type, sym->st_size, sym->st_info, - sym_index); - } - break; -#elif defined(TCC_TARGET_ARM) - case R_ARM_PC24: - case R_ARM_CALL: - case R_ARM_JUMP24: - case R_ARM_GOT32: - case R_ARM_GOTOFF: - case R_ARM_GOTPC: - case R_ARM_PLT32: - if (!s1->got) - build_got(s1); - sym_index = ELFW(R_SYM)(rel->r_info); - sym = &((ElfW(Sym) *)symtab_section->data)[sym_index]; - if (type != R_ARM_GOTOFF && type != R_ARM_GOTPC - && sym->st_shndx == SHN_UNDEF) { - unsigned long ofs; - /* look at the symbol got offset. If none, then add one */ - if (type == R_ARM_GOT32) - reloc_type = R_ARM_GLOB_DAT; - else - reloc_type = R_ARM_JUMP_SLOT; - ofs = put_got_entry(s1, reloc_type, sym->st_size, - sym->st_info, sym_index); -#ifdef DEBUG_RELOC - printf("maybegot: %s, %d, %d --> ofs=0x%x\n", - (char *) symtab_section->link->data + sym->st_name, - type, sym->st_shndx, ofs); -#endif - if (type != R_ARM_GOT32) { - addr_t *ptr = (addr_t*)(s1->sections[s->sh_info]->data - + rel->r_offset); - /* x must be signed! */ - int x = *ptr & 0xffffff; - x = (x << 8) >> 8; - x <<= 2; - x += ofs; - x >>= 2; -#ifdef DEBUG_RELOC - printf ("insn=0x%x --> 0x%x (x==0x%x)\n", *ptr, - (*ptr & 0xff000000) | x, x); -#endif - *ptr = (*ptr & 0xff000000) | x; - } - } - break; - case R_ARM_THM_JUMP24: - sym_index = ELFW(R_SYM)(rel->r_info); - sym = &((ElfW(Sym) *)symtab_section->data)[sym_index]; - /* We are relocating a jump from thumb code to arm code */ - if (sym->st_shndx != SHN_UNDEF && !(sym->st_value & 1)) { - int index; - uint8_t *p; - char *name, buf[1024]; - Section *text_section; - - name = (char *) symtab_section->link->data + sym->st_name; - text_section = s1->sections[sym->st_shndx]; - /* Modify reloc to target a thumb stub to switch to ARM */ - snprintf(buf, sizeof(buf), "%s_from_thumb", name); - index = put_elf_sym(symtab_section, - text_section->data_offset + 1, - sym->st_size, sym->st_info, 0, - sym->st_shndx, buf); - rel->r_info = ELFW(R_INFO)(index, type); - /* Create a thumb stub fonction to switch to ARM mode */ - put_elf_reloc(symtab_section, text_section, - text_section->data_offset + 4, R_ARM_JUMP24, - sym_index); - p = section_ptr_add(text_section, 8); - put32(p, 0x4778); /* bx pc */ - put32(p+2, 0x46c0); /* nop */ - put32(p+4, 0xeafffffe); /* b $sym */ - } -#elif defined(TCC_TARGET_ARM64) - //xx Other cases may be required here: - case R_AARCH64_ADR_GOT_PAGE: - case R_AARCH64_LD64_GOT_LO12_NC: - if (!s1->got) - build_got(s1); - sym_index = ELFW(R_SYM)(rel->r_info); - sym = &((ElfW(Sym) *)symtab_section->data)[sym_index]; - reloc_type = R_AARCH64_GLOB_DAT; - put_got_entry(s1, reloc_type, sym->st_size, sym->st_info, - sym_index); - break; - - case R_AARCH64_JUMP26: - case R_AARCH64_CALL26: - if (!s1->got) - build_got(s1); - sym_index = ELFW(R_SYM)(rel->r_info); - sym = &((ElfW(Sym) *)symtab_section->data)[sym_index]; - if (sym->st_shndx == SHN_UNDEF) { - unsigned long ofs; - reloc_type = R_AARCH64_JUMP_SLOT; - ofs = put_got_entry(s1, reloc_type, sym->st_size, - sym->st_info, sym_index); - /* We store the place of the generated PLT slot - in our addend. */ - rel->r_addend += ofs; - } - break; -#elif defined(TCC_TARGET_C67) - case R_C60_GOT32: - case R_C60_GOTOFF: - case R_C60_GOTPC: - case R_C60_PLT32: - if (!s1->got) - build_got(s1); - if (type == R_C60_GOT32 || type == R_C60_PLT32) { - sym_index = ELFW(R_SYM)(rel->r_info); - sym = &((ElfW(Sym) *)symtab_section->data)[sym_index]; - /* look at the symbol got offset. If none, then add one */ - if (type == R_C60_GOT32) - reloc_type = R_C60_GLOB_DAT; - else - reloc_type = R_C60_JMP_SLOT; - put_got_entry(s1, reloc_type, sym->st_size, sym->st_info, - sym_index); - } - break; -#elif defined(TCC_TARGET_X86_64) - case R_X86_64_GOT32: - case R_X86_64_GOTTPOFF: - case R_X86_64_GOTPCREL: - case R_X86_64_PLT32: - sym_index = ELFW(R_SYM)(rel->r_info); - sym = &((ElfW(Sym) *)symtab_section->data)[sym_index]; - if (type == R_X86_64_PLT32 && - ELFW(ST_VISIBILITY)(sym->st_other) != STV_DEFAULT) - { - rel->r_info = ELFW(R_INFO)(sym_index, R_X86_64_PC32); - break; - } - - if (!s1->got) - build_got(s1); - if (type == R_X86_64_GOT32 || type == R_X86_64_GOTPCREL || - type == R_X86_64_PLT32) { - unsigned long ofs; - /* look at the symbol got offset. If none, then add one */ - if (type == R_X86_64_GOT32 || type == R_X86_64_GOTPCREL) - reloc_type = R_X86_64_GLOB_DAT; - else - reloc_type = R_X86_64_JUMP_SLOT; - ofs = put_got_entry(s1, reloc_type, sym->st_size, - sym->st_info, sym_index); - if (type == R_X86_64_PLT32) - /* We store the place of the generated PLT slot - in our addend. */ - rel->r_addend += ofs; - } - break; -#else -#error unsupported CPU -#endif - default: - break; - } - } - } -} - -ST_FUNC Section *new_symtab(TCCState *s1, - const char *symtab_name, int sh_type, int sh_flags, - const char *strtab_name, - const char *hash_name, int hash_sh_flags) -{ - Section *symtab, *strtab, *hash; - int *ptr, nb_buckets; - - symtab = new_section(s1, symtab_name, sh_type, sh_flags); - symtab->sh_entsize = sizeof(ElfW(Sym)); - strtab = new_section(s1, strtab_name, SHT_STRTAB, sh_flags); - put_elf_str(strtab, ""); - symtab->link = strtab; - put_elf_sym(symtab, 0, 0, 0, 0, 0, NULL); - - nb_buckets = 1; - - hash = new_section(s1, hash_name, SHT_HASH, hash_sh_flags); - hash->sh_entsize = sizeof(int); - symtab->hash = hash; - hash->link = symtab; - - ptr = section_ptr_add(hash, (2 + nb_buckets + 1) * sizeof(int)); - ptr[0] = nb_buckets; - ptr[1] = 1; - memset(ptr + 2, 0, (nb_buckets + 1) * sizeof(int)); - return symtab; -} - -/* put dynamic tag */ -static void put_dt(Section *dynamic, int dt, addr_t val) -{ - ElfW(Dyn) *dyn; - dyn = section_ptr_add(dynamic, sizeof(ElfW(Dyn))); - dyn->d_tag = dt; - dyn->d_un.d_val = val; -} - -static void add_init_array_defines(TCCState *s1, const char *section_name) -{ - Section *s; - long end_offset; - char sym_start[1024]; - char sym_end[1024]; - - snprintf(sym_start, sizeof(sym_start), "__%s_start", section_name + 1); - snprintf(sym_end, sizeof(sym_end), "__%s_end", section_name + 1); - - s = find_section(s1, section_name); - if (!s) { - end_offset = 0; - s = data_section; - } else { - end_offset = s->data_offset; - } - - add_elf_sym(symtab_section, - 0, 0, - ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0, - s->sh_num, sym_start); - add_elf_sym(symtab_section, - end_offset, 0, - ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0, - s->sh_num, sym_end); -} - -static int tcc_add_support(TCCState *s1, const char *filename) -{ - char buf[1024]; - snprintf(buf, sizeof(buf), "%s/%s/%s", s1->tcc_lib_path, - /* an cpu specific path inside tcc_lib_path, mainly for keeping libtcc1.a */ - #ifdef TCC_TARGET_I386 - "i386" - #endif - #ifdef TCC_TARGET_X86_64 - "x86_64" - #endif - #ifdef TCC_TARGET_ARM - "arm" - #endif - #ifdef TCC_TARGET_ARM64 - "arm64" - #endif - #ifdef TCC_TARGET_C67 - "C67" - #endif - , filename); - - return tcc_add_file(s1, buf, TCC_FILETYPE_BINARY); -} - -ST_FUNC void tcc_add_bcheck(TCCState *s1) -{ -#ifdef CONFIG_TCC_BCHECK - addr_t *ptr; - - if (0 == s1->do_bounds_check) - return; - - /* XXX: add an object file to do that */ - ptr = section_ptr_add(bounds_section, sizeof(*ptr)); - *ptr = 0; - add_elf_sym(symtab_section, 0, 0, - ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0, - bounds_section->sh_num, "__bounds_start"); - if (s1->output_type != TCC_OUTPUT_MEMORY) { - /* add 'call __bound_init()' in .init section */ - - /* XXX not called on MSYS, reason is unknown. For this - case a call to __bound_init is performed in bcheck.c - when __bound_ptr_add, __bound_new_region, - __bound_delete_region called */ - - int sym_index = find_elf_sym(symtab_section, "__bound_init"); - if (sym_index) { - Section *init_section = find_section(s1, ".init"); - unsigned char *pinit = section_ptr_add(init_section, 5); - pinit[0] = 0xe8; - put32(pinit + 1, -4); - put_elf_reloc(symtab_section, init_section, - init_section->data_offset - 4, R_386_PC32, sym_index); - } - else - tcc_warning("__bound_init not defined"); - } -#endif -} - -/* add tcc runtime libraries */ -ST_FUNC void tcc_add_runtime(TCCState *s1) -{ - tcc_add_pragma_libs(s1); - - /* add libc */ - if (!s1->nostdlib) { - tcc_add_library(s1, "c"); -#ifdef CONFIG_USE_LIBGCC - if (!s1->static_link) { - tcc_add_file(s1, TCC_LIBGCC, TCC_FILETYPE_BINARY); - } -#endif - tcc_add_support(s1, "libtcc1.a"); - } - - /* tcc_add_bcheck tries to relocate a call to __bound_init in _init so - libtcc1.a must be loaded before for __bound_init to be defined and - crtn.o must be loaded after to not finalize _init too early. */ - tcc_add_bcheck(s1); - - if (!s1->nostdlib) { - /* add crt end if not memory output */ - if (s1->output_type != TCC_OUTPUT_MEMORY) - tcc_add_crt(s1, "crtn.o"); - } -} - -/* add various standard linker symbols (must be done after the - sections are filled (for example after allocating common - symbols)) */ -ST_FUNC void tcc_add_linker_symbols(TCCState *s1) -{ - char buf[1024]; - int i; - Section *s; - - add_elf_sym(symtab_section, - text_section->data_offset, 0, - ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0, - text_section->sh_num, "_etext"); - add_elf_sym(symtab_section, - data_section->data_offset, 0, - ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0, - data_section->sh_num, "_edata"); - add_elf_sym(symtab_section, - bss_section->data_offset, 0, - ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0, - bss_section->sh_num, "_end"); - /* horrible new standard ldscript defines */ - add_init_array_defines(s1, ".preinit_array"); - add_init_array_defines(s1, ".init_array"); - add_init_array_defines(s1, ".fini_array"); - - /* add start and stop symbols for sections whose name can be - expressed in C */ - for(i = 1; i < s1->nb_sections; i++) { - s = s1->sections[i]; - if (s->sh_type == SHT_PROGBITS && - (s->sh_flags & SHF_ALLOC)) { - const char *p; - int ch; - - /* check if section name can be expressed in C */ - p = s->name; - for(;;) { - ch = *p; - if (!ch) - break; - if (!isid(ch) && !isnum(ch)) - goto next_sec; - p++; - } - snprintf(buf, sizeof(buf), "__start_%s", s->name); - add_elf_sym(symtab_section, - 0, 0, - ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0, - s->sh_num, buf); - snprintf(buf, sizeof(buf), "__stop_%s", s->name); - add_elf_sym(symtab_section, - s->data_offset, 0, - ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0, - s->sh_num, buf); - } - next_sec: ; - } -} - -static void tcc_output_binary(TCCState *s1, FILE *f, - const int *sec_order) -{ - Section *s; - int i, offset, size; - - offset = 0; - for(i=1;inb_sections;i++) { - s = s1->sections[sec_order[i]]; - if (s->sh_type != SHT_NOBITS && - (s->sh_flags & SHF_ALLOC)) { - while (offset < s->sh_offset) { - fputc(0, f); - offset++; - } - size = s->sh_size; - fwrite(s->data, 1, size, f); - offset += size; - } - } -} - -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) -#define HAVE_PHDR 1 -#define EXTRA_RELITEMS 14 - -/* move the relocation value from .dynsym to .got */ -void patch_dynsym_undef(TCCState *s1, Section *s) -{ - uint32_t *gotd = (void *)s1->got->data; - ElfW(Sym) *sym; - - gotd += 3; /* dummy entries in .got */ - /* relocate symbols in .dynsym */ - for_each_elem(s, 1, sym, ElfW(Sym)) { - if (sym->st_shndx == SHN_UNDEF) { - *gotd++ = sym->st_value + 6; /* XXX 6 is magic ? */ - sym->st_value = 0; - } - } -} -#else -#define HAVE_PHDR 1 -#define EXTRA_RELITEMS 9 - -/* zero plt offsets of weak symbols in .dynsym */ -void patch_dynsym_undef(TCCState *s1, Section *s) -{ - ElfW(Sym) *sym; - - for_each_elem(s, 1, sym, ElfW(Sym)) - if (sym->st_shndx == SHN_UNDEF && ELFW(ST_BIND)(sym->st_info) == STB_WEAK) - sym->st_value = 0; -} -#endif - -ST_FUNC void fill_got_entry(TCCState *s1, ElfW_Rel *rel) -{ - int sym_index = ELFW(R_SYM) (rel->r_info); - ElfW(Sym) *sym = &((ElfW(Sym) *) symtab_section->data)[sym_index]; - unsigned long offset; - - if (sym_index >= s1->nb_sym_attrs) - return; - offset = s1->sym_attrs[sym_index].got_offset; - section_reserve(s1->got, offset + PTR_SIZE); -#ifdef TCC_TARGET_X86_64 - /* only works for x86-64 */ - put32(s1->got->data + offset + 4, sym->st_value >> 32); -#endif - put32(s1->got->data + offset, sym->st_value & 0xffffffff); -} - -/* Perform relocation to GOT or PLT entries */ -ST_FUNC void fill_got(TCCState *s1) -{ - Section *s; - ElfW_Rel *rel; - int i; - - for(i = 1; i < s1->nb_sections; i++) { - s = s1->sections[i]; - if (s->sh_type != SHT_RELX) - continue; - /* no need to handle got relocations */ - if (s->link != symtab_section) - continue; - for_each_elem(s, 0, rel, ElfW_Rel) { - switch (ELFW(R_TYPE) (rel->r_info)) { - case R_X86_64_GOT32: - case R_X86_64_GOTPCREL: - case R_X86_64_PLT32: - fill_got_entry(s1, rel); - break; - } - } - } -} - -/* Bind symbols of executable: resolve undefined symbols from exported symbols - in shared libraries and export non local defined symbols to shared libraries - if -rdynamic switch was given on command line */ -static void bind_exe_dynsyms(TCCState *s1) -{ - const char *name; - int sym_index, index; - ElfW(Sym) *sym, *esym; - int type; - - /* Resolve undefined symbols from dynamic symbols. When there is a match: - - if STT_FUNC or STT_GNU_IFUNC symbol -> add it in PLT - - if STT_OBJECT symbol -> add it in .bss section with suitable reloc */ - for_each_elem(symtab_section, 1, sym, ElfW(Sym)) { - if (sym->st_shndx == SHN_UNDEF) { - name = (char *) symtab_section->link->data + sym->st_name; - sym_index = find_elf_sym(s1->dynsymtab_section, name); - if (sym_index) { - esym = &((ElfW(Sym) *)s1->dynsymtab_section->data)[sym_index]; - type = ELFW(ST_TYPE)(esym->st_info); - if ((type == STT_FUNC) || (type == STT_GNU_IFUNC)) { - /* Indirect functions shall have STT_FUNC type in executable - * dynsym section. Indeed, a dlsym call following a lazy - * resolution would pick the symbol value from the - * executable dynsym entry which would contain the address - * of the function wanted by the caller of dlsym instead of - * the address of the function that would return that - * address */ - put_got_entry(s1, R_JMP_SLOT, esym->st_size, - ELFW(ST_INFO)(STB_GLOBAL,STT_FUNC), - sym - (ElfW(Sym) *)symtab_section->data); - } else if (type == STT_OBJECT) { - unsigned long offset; - ElfW(Sym) *dynsym; - offset = bss_section->data_offset; - /* XXX: which alignment ? */ - offset = (offset + 16 - 1) & -16; - index = put_elf_sym(s1->dynsym, offset, esym->st_size, - esym->st_info, 0, bss_section->sh_num, - name); - /* Ensure R_COPY works for weak symbol aliases */ - if (ELFW(ST_BIND)(esym->st_info) == STB_WEAK) { - for_each_elem(s1->dynsymtab_section, 1, dynsym, ElfW(Sym)) { - if ((dynsym->st_value == esym->st_value) - && (ELFW(ST_BIND)(dynsym->st_info) == STB_GLOBAL)) { - char *dynname = (char *) s1->dynsymtab_section->link->data - + dynsym->st_name; - put_elf_sym(s1->dynsym, offset, dynsym->st_size, - dynsym->st_info, 0, - bss_section->sh_num, dynname); - break; - } - } - } - put_elf_reloc(s1->dynsym, bss_section, - offset, R_COPY, index); - offset += esym->st_size; - bss_section->data_offset = offset; - } - } else { - /* STB_WEAK undefined symbols are accepted */ - /* XXX: _fp_hw seems to be part of the ABI, so we ignore it */ - if (ELFW(ST_BIND)(sym->st_info) == STB_WEAK || - !strcmp(name, "_fp_hw")) { - } else { - tcc_error_noabort("undefined symbol '%s'", name); - } - } - } else if (s1->rdynamic && ELFW(ST_BIND)(sym->st_info) != STB_LOCAL) { - /* if -rdynamic option, then export all non local symbols */ - name = (char *) symtab_section->link->data + sym->st_name; - put_elf_sym(s1->dynsym, sym->st_value, sym->st_size, sym->st_info, - 0, sym->st_shndx, name); - } - } -} - -/* Bind symbols of libraries: export non local symbols of executable that - resolve undefined symbols of shared libraries */ -static void bind_libs_dynsyms(TCCState *s1) -{ - const char *name; - int sym_index; - ElfW(Sym) *sym, *esym; - - /* now look at unresolved dynamic symbols and export - corresponding symbol */ - for_each_elem(s1->dynsymtab_section, 1, esym, ElfW(Sym)) { - name = (char *) s1->dynsymtab_section->link->data + esym->st_name; - sym_index = find_elf_sym(symtab_section, name); - if (sym_index) { - /* XXX: avoid adding a symbol if already present because of - -rdynamic ? */ - sym = &((ElfW(Sym) *)symtab_section->data)[sym_index]; - if (sym->st_shndx != SHN_UNDEF) - put_elf_sym(s1->dynsym, sym->st_value, sym->st_size, - sym->st_info, 0, sym->st_shndx, name); - } else if (esym->st_shndx == SHN_UNDEF) { - /* weak symbols can stay undefined */ - if (ELFW(ST_BIND)(esym->st_info) != STB_WEAK) - tcc_warning("undefined dynamic symbol '%s'", name); - } - } -} - -/* Export all non local symbols (for shared libraries) */ -static void export_global_syms(TCCState *s1) -{ - int nb_syms, dynindex, index; - const char *name; - ElfW(Sym) *sym; - - nb_syms = symtab_section->data_offset / sizeof(ElfW(Sym)); - s1->symtab_to_dynsym = tcc_mallocz(sizeof(int) * nb_syms); - for_each_elem(symtab_section, 1, sym, ElfW(Sym)) { - if (ELFW(ST_BIND)(sym->st_info) != STB_LOCAL) { - name = (char *) symtab_section->link->data + sym->st_name; - dynindex = put_elf_sym(s1->dynsym, sym->st_value, sym->st_size, - sym->st_info, 0, sym->st_shndx, name); - index = sym - (ElfW(Sym) *) symtab_section->data; - s1->symtab_to_dynsym[index] = dynindex; - } - } -} - -/* relocate the PLT: compute addresses and offsets in the PLT now that final - address for PLT and GOT are known (see fill_program_header) */ -ST_FUNC void relocate_plt(TCCState *s1) -{ - uint8_t *p, *p_end; - - if (!s1->plt) - return; - - p = s1->plt->data; - p_end = p + s1->plt->data_offset; - if (p < p_end) { -#if defined(TCC_TARGET_I386) - put32(p + 2, get32(p + 2) + s1->got->sh_addr); - put32(p + 8, get32(p + 8) + s1->got->sh_addr); - p += 16; - while (p < p_end) { - put32(p + 2, get32(p + 2) + s1->got->sh_addr); - p += 16; - } -#elif defined(TCC_TARGET_X86_64) - int x = s1->got->sh_addr - s1->plt->sh_addr - 6; - put32(p + 2, get32(p + 2) + x); - put32(p + 8, get32(p + 8) + x - 6); - p += 16; - while (p < p_end) { - put32(p + 2, get32(p + 2) + x + s1->plt->data - p); - p += 16; - } -#elif defined(TCC_TARGET_ARM) - int x; - x=s1->got->sh_addr - s1->plt->sh_addr - 12; - p += 16; - while (p < p_end) { - if (get32(p) == 0x46c04778) /* PLT Thumb stub present */ - p += 4; - put32(p + 12, x + get32(p + 12) + s1->plt->data - p); - p += 16; - } -#elif defined(TCC_TARGET_ARM64) - uint64_t plt = s1->plt->sh_addr; - uint64_t got = s1->got->sh_addr; - uint64_t off = (got >> 12) - (plt >> 12); - if ((off + ((uint32_t)1 << 20)) >> 21) - tcc_error("Failed relocating PLT (off=0x%lx, got=0x%lx, plt=0x%lx)", off, got, plt); - put32(p, 0xa9bf7bf0); // stp x16,x30,[sp,#-16]! - put32(p + 4, (0x90000010 | // adrp x16,... - (off & 0x1ffffc) << 3 | (off & 3) << 29)); - put32(p + 8, (0xf9400211 | // ldr x17,[x16,#...] - (got & 0xff8) << 7)); - put32(p + 12, (0x91000210 | // add x16,x16,#... - (got & 0xfff) << 10)); - put32(p + 16, 0xd61f0220); // br x17 - put32(p + 20, 0xd503201f); // nop - put32(p + 24, 0xd503201f); // nop - put32(p + 28, 0xd503201f); // nop - p += 32; - while (p < p_end) { - uint64_t pc = plt + (p - s1->plt->data); - uint64_t addr = got + - (get32(p) | (uint64_t)get32(p + 4) << 32); - uint32_t off = (addr >> 12) - (pc >> 12); - if ((off + ((uint32_t)1 << 20)) >> 21) - tcc_error("Failed relocating PLT (off=0x%lx, addr=0x%lx, pc=0x%lx)", off, addr, pc); - put32(p, (0x90000010 | // adrp x16,... - (off & 0x1ffffc) << 3 | (off & 3) << 29)); - put32(p + 4, (0xf9400211 | // ldr x17,[x16,#...] - (addr & 0xff8) << 7)); - put32(p + 8, (0x91000210 | // add x16,x16,#... - (addr & 0xfff) << 10)); - put32(p + 12, 0xd61f0220); // br x17 - p += 16; - } -#elif defined(TCC_TARGET_C67) - /* XXX: TODO */ -#else -#error unsupported CPU -#endif - } -} - -/* Allocate strings for section names and decide if an unallocated section - should be output. - - NOTE: the strsec section comes last, so its size is also correct ! */ -static void alloc_sec_names(TCCState *s1, int file_type, Section *strsec) -{ - int i; - Section *s; - - /* Allocate strings for section names */ - for(i = 1; i < s1->nb_sections; i++) { - s = s1->sections[i]; - s->sh_name = put_elf_str(strsec, s->name); - /* when generating a DLL, we include relocations but we may - patch them */ - if (file_type == TCC_OUTPUT_DLL && - s->sh_type == SHT_RELX && - !(s->sh_flags & SHF_ALLOC)) { - /* gr: avoid bogus relocs for empty (debug) sections */ - if (s1->sections[s->sh_info]->sh_flags & SHF_ALLOC) - prepare_dynamic_rel(s1, s); - else if (s1->do_debug) - s->sh_size = s->data_offset; - } else if (s1->do_debug || - file_type == TCC_OUTPUT_OBJ || - file_type == TCC_OUTPUT_EXE || - (s->sh_flags & SHF_ALLOC) || - i == (s1->nb_sections - 1)) { - /* we output all sections if debug or object file */ - s->sh_size = s->data_offset; - } - } -} - -/* Info to be copied in dynamic section */ -struct dyn_inf { - Section *dynamic; - Section *dynstr; - unsigned long dyn_rel_off; - addr_t rel_addr; - addr_t rel_size; -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - addr_t bss_addr; - addr_t bss_size; -#endif -}; - -/* Assign sections to segments and decide how are sections laid out when loaded - in memory. This function also fills corresponding program headers. */ -static int layout_sections(TCCState *s1, ElfW(Phdr) *phdr, int phnum, - Section *interp, Section* strsec, - struct dyn_inf *dyninf, int *sec_order) -{ - int i, j, k, file_type, sh_order_index, file_offset; - unsigned long s_align; - long long tmp; - addr_t addr; - ElfW(Phdr) *ph; - Section *s; - - file_type = s1->output_type; - sh_order_index = 1; - file_offset = 0; - if (s1->output_format == TCC_OUTPUT_FORMAT_ELF) - file_offset = sizeof(ElfW(Ehdr)) + phnum * sizeof(ElfW(Phdr)); - s_align = ELF_PAGE_SIZE; - if (s1->section_align) - s_align = s1->section_align; - - if (phnum > 0) { - if (s1->has_text_addr) { - int a_offset, p_offset; - addr = s1->text_addr; - /* we ensure that (addr % ELF_PAGE_SIZE) == file_offset % - ELF_PAGE_SIZE */ - a_offset = (int) (addr & (s_align - 1)); - p_offset = file_offset & (s_align - 1); - if (a_offset < p_offset) - a_offset += s_align; - file_offset += (a_offset - p_offset); - } else { - if (file_type == TCC_OUTPUT_DLL) - addr = 0; - else - addr = ELF_START_ADDR; - /* compute address after headers */ - addr += (file_offset & (s_align - 1)); - } - - ph = &phdr[0]; - /* Leave one program headers for the program interpreter and one for - the program header table itself if needed. These are done later as - they require section layout to be done first. */ - if (interp) - ph += 1 + HAVE_PHDR; - - /* dynamic relocation table information, for .dynamic section */ - dyninf->rel_addr = dyninf->rel_size = 0; -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - dyninf->bss_addr = dyninf->bss_size = 0; -#endif - - for(j = 0; j < 2; j++) { - ph->p_type = PT_LOAD; - if (j == 0) - ph->p_flags = PF_R | PF_X; - else - ph->p_flags = PF_R | PF_W; - ph->p_align = s_align; - - /* Decide the layout of sections loaded in memory. This must - be done before program headers are filled since they contain - info about the layout. We do the following ordering: interp, - symbol tables, relocations, progbits, nobits */ - /* XXX: do faster and simpler sorting */ - for(k = 0; k < 5; k++) { - for(i = 1; i < s1->nb_sections; i++) { - s = s1->sections[i]; - /* compute if section should be included */ - if (j == 0) { - if ((s->sh_flags & (SHF_ALLOC | SHF_WRITE)) != - SHF_ALLOC) - continue; - } else { - if ((s->sh_flags & (SHF_ALLOC | SHF_WRITE)) != - (SHF_ALLOC | SHF_WRITE)) - continue; - } - if (s == interp) { - if (k != 0) - continue; - } else if (s->sh_type == SHT_DYNSYM || - s->sh_type == SHT_STRTAB || - s->sh_type == SHT_HASH) { - if (k != 1) - continue; - } else if (s->sh_type == SHT_RELX) { - if (k != 2) - continue; - } else if (s->sh_type == SHT_NOBITS) { - if (k != 4) - continue; - } else { - if (k != 3) - continue; - } - sec_order[sh_order_index++] = i; - - /* section matches: we align it and add its size */ - tmp = addr; - addr = (addr + s->sh_addralign - 1) & - ~(s->sh_addralign - 1); - file_offset += (int) ( addr - tmp ); - s->sh_offset = file_offset; - s->sh_addr = addr; - - /* update program header infos */ - if (ph->p_offset == 0) { - ph->p_offset = file_offset; - ph->p_vaddr = addr; - ph->p_paddr = ph->p_vaddr; - } - /* update dynamic relocation infos */ - if (s->sh_type == SHT_RELX) { -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - if (!strcmp(strsec->data + s->sh_name, ".rel.got")) { - dyninf->rel_addr = addr; - dyninf->rel_size += s->sh_size; /* XXX only first rel. */ - } - if (!strcmp(strsec->data + s->sh_name, ".rel.bss")) { - dyninf->bss_addr = addr; - dyninf->bss_size = s->sh_size; /* XXX only first rel. */ - } -#else - if (dyninf->rel_size == 0) - dyninf->rel_addr = addr; - dyninf->rel_size += s->sh_size; -#endif - } - addr += s->sh_size; - if (s->sh_type != SHT_NOBITS) - file_offset += s->sh_size; - } - } - if (j == 0) { - /* Make the first PT_LOAD segment include the program - headers itself (and the ELF header as well), it'll - come out with same memory use but will make various - tools like binutils strip work better. */ - ph->p_offset &= ~(ph->p_align - 1); - ph->p_vaddr &= ~(ph->p_align - 1); - ph->p_paddr &= ~(ph->p_align - 1); - } - ph->p_filesz = file_offset - ph->p_offset; - ph->p_memsz = addr - ph->p_vaddr; - ph++; - if (j == 0) { - if (s1->output_format == TCC_OUTPUT_FORMAT_ELF) { - /* if in the middle of a page, we duplicate the page in - memory so that one copy is RX and the other is RW */ - if ((addr & (s_align - 1)) != 0) - addr += s_align; - } else { - addr = (addr + s_align - 1) & ~(s_align - 1); - file_offset = (file_offset + s_align - 1) & ~(s_align - 1); - } - } - } - } - - /* all other sections come after */ - for(i = 1; i < s1->nb_sections; i++) { - s = s1->sections[i]; - if (phnum > 0 && (s->sh_flags & SHF_ALLOC)) - continue; - sec_order[sh_order_index++] = i; - - file_offset = (file_offset + s->sh_addralign - 1) & - ~(s->sh_addralign - 1); - s->sh_offset = file_offset; - if (s->sh_type != SHT_NOBITS) - file_offset += s->sh_size; - } - - return file_offset; -} - -static void fill_unloadable_phdr(ElfW(Phdr) *phdr, int phnum, Section *interp, - Section *dynamic) -{ - ElfW(Phdr) *ph; - - /* if interpreter, then add corresponding program header */ - if (interp) { - ph = &phdr[0]; - - if (HAVE_PHDR) - { - int len = phnum * sizeof(ElfW(Phdr)); - - ph->p_type = PT_PHDR; - ph->p_offset = sizeof(ElfW(Ehdr)); - ph->p_vaddr = interp->sh_addr - len; - ph->p_paddr = ph->p_vaddr; - ph->p_filesz = ph->p_memsz = len; - ph->p_flags = PF_R | PF_X; - ph->p_align = 4; /* interp->sh_addralign; */ - ph++; - } - - ph->p_type = PT_INTERP; - ph->p_offset = interp->sh_offset; - ph->p_vaddr = interp->sh_addr; - ph->p_paddr = ph->p_vaddr; - ph->p_filesz = interp->sh_size; - ph->p_memsz = interp->sh_size; - ph->p_flags = PF_R; - ph->p_align = interp->sh_addralign; - } - - /* if dynamic section, then add corresponding program header */ - if (dynamic) { - ph = &phdr[phnum - 1]; - - ph->p_type = PT_DYNAMIC; - ph->p_offset = dynamic->sh_offset; - ph->p_vaddr = dynamic->sh_addr; - ph->p_paddr = ph->p_vaddr; - ph->p_filesz = dynamic->sh_size; - ph->p_memsz = dynamic->sh_size; - ph->p_flags = PF_R | PF_W; - ph->p_align = dynamic->sh_addralign; - } -} - -/* Fill the dynamic section with tags describing the address and size of - sections */ -static void fill_dynamic(TCCState *s1, struct dyn_inf *dyninf) -{ - Section *dynamic; - - dynamic = dyninf->dynamic; - - /* put dynamic section entries */ - dynamic->data_offset = dyninf->dyn_rel_off; - put_dt(dynamic, DT_HASH, s1->dynsym->hash->sh_addr); - put_dt(dynamic, DT_STRTAB, dyninf->dynstr->sh_addr); - put_dt(dynamic, DT_SYMTAB, s1->dynsym->sh_addr); - put_dt(dynamic, DT_STRSZ, dyninf->dynstr->data_offset); - put_dt(dynamic, DT_SYMENT, sizeof(ElfW(Sym))); -#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) - put_dt(dynamic, DT_RELA, dyninf->rel_addr); - put_dt(dynamic, DT_RELASZ, dyninf->rel_size); - put_dt(dynamic, DT_RELAENT, sizeof(ElfW_Rel)); -#else -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - put_dt(dynamic, DT_PLTGOT, s1->got->sh_addr); - put_dt(dynamic, DT_PLTRELSZ, dyninf->rel_size); - put_dt(dynamic, DT_JMPREL, dyninf->rel_addr); - put_dt(dynamic, DT_PLTREL, DT_REL); - put_dt(dynamic, DT_REL, dyninf->bss_addr); - put_dt(dynamic, DT_RELSZ, dyninf->bss_size); -#else - put_dt(dynamic, DT_REL, dyninf->rel_addr); - put_dt(dynamic, DT_RELSZ, dyninf->rel_size); - put_dt(dynamic, DT_RELENT, sizeof(ElfW_Rel)); -#endif -#endif - if (s1->do_debug) - put_dt(dynamic, DT_DEBUG, 0); - put_dt(dynamic, DT_NULL, 0); -} - -/* Relocate remaining sections and symbols (that is those not related to - dynamic linking) */ -static int final_sections_reloc(TCCState *s1) -{ - int i; - Section *s; - - relocate_syms(s1, 0); - - if (s1->nb_errors != 0) - return -1; - - /* relocate sections */ - /* XXX: ignore sections with allocated relocations ? */ - for(i = 1; i < s1->nb_sections; i++) { - s = s1->sections[i]; -#ifdef TCC_TARGET_I386 - if (s->reloc && s != s1->got && (s->sh_flags & SHF_ALLOC)) //gr - /* On X86 gdb 7.3 works in any case but gdb 6.6 will crash if SHF_ALLOC - checking is removed */ -#else - if (s->reloc && s != s1->got) - /* On X86_64 gdb 7.3 will crash if SHF_ALLOC checking is present */ -#endif - relocate_section(s1, s); - } - - /* relocate relocation entries if the relocation tables are - allocated in the executable */ - for(i = 1; i < s1->nb_sections; i++) { - s = s1->sections[i]; - if ((s->sh_flags & SHF_ALLOC) && - s->sh_type == SHT_RELX) { - relocate_rel(s1, s); - } - } - return 0; -} - -/* Create an ELF file on disk. - This function handle ELF specific layout requirements */ -static void tcc_output_elf(TCCState *s1, FILE *f, int phnum, ElfW(Phdr) *phdr, - int file_offset, int *sec_order) -{ - int i, shnum, offset, size, file_type; - Section *s; - ElfW(Ehdr) ehdr; - ElfW(Shdr) shdr, *sh; - - file_type = s1->output_type; - shnum = s1->nb_sections; - - memset(&ehdr, 0, sizeof(ehdr)); - - if (phnum > 0) { - ehdr.e_phentsize = sizeof(ElfW(Phdr)); - ehdr.e_phnum = phnum; - ehdr.e_phoff = sizeof(ElfW(Ehdr)); - } - - /* align to 4 */ - file_offset = (file_offset + 3) & -4; - - /* fill header */ - ehdr.e_ident[0] = ELFMAG0; - ehdr.e_ident[1] = ELFMAG1; - ehdr.e_ident[2] = ELFMAG2; - ehdr.e_ident[3] = ELFMAG3; - ehdr.e_ident[4] = ELFCLASSW; - ehdr.e_ident[5] = ELFDATA2LSB; - ehdr.e_ident[6] = EV_CURRENT; -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) - ehdr.e_ident[EI_OSABI] = ELFOSABI_FREEBSD; -#endif -#ifdef TCC_TARGET_ARM -#ifdef TCC_ARM_EABI - ehdr.e_ident[EI_OSABI] = 0; - ehdr.e_flags = EF_ARM_EABI_VER4; - if (file_type == TCC_OUTPUT_EXE || file_type == TCC_OUTPUT_DLL) - ehdr.e_flags |= EF_ARM_HASENTRY; - if (s1->float_abi == ARM_HARD_FLOAT) - ehdr.e_flags |= EF_ARM_VFP_FLOAT; - else - ehdr.e_flags |= EF_ARM_SOFT_FLOAT; -#else - ehdr.e_ident[EI_OSABI] = ELFOSABI_ARM; -#endif -#endif - switch(file_type) { - default: - case TCC_OUTPUT_EXE: - ehdr.e_type = ET_EXEC; - ehdr.e_entry = get_elf_sym_addr(s1, "_start", 1); - break; - case TCC_OUTPUT_DLL: - ehdr.e_type = ET_DYN; - ehdr.e_entry = text_section->sh_addr; /* XXX: is it correct ? */ - break; - case TCC_OUTPUT_OBJ: - ehdr.e_type = ET_REL; - break; - } - ehdr.e_machine = EM_TCC_TARGET; - ehdr.e_version = EV_CURRENT; - ehdr.e_shoff = file_offset; - ehdr.e_ehsize = sizeof(ElfW(Ehdr)); - ehdr.e_shentsize = sizeof(ElfW(Shdr)); - ehdr.e_shnum = shnum; - ehdr.e_shstrndx = shnum - 1; - - fwrite(&ehdr, 1, sizeof(ElfW(Ehdr)), f); - fwrite(phdr, 1, phnum * sizeof(ElfW(Phdr)), f); - offset = sizeof(ElfW(Ehdr)) + phnum * sizeof(ElfW(Phdr)); - - sort_syms(s1, symtab_section); - for(i = 1; i < s1->nb_sections; i++) { - s = s1->sections[sec_order[i]]; - if (s->sh_type != SHT_NOBITS) { - if (s->sh_type == SHT_DYNSYM) - patch_dynsym_undef(s1, s); - while (offset < s->sh_offset) { - fputc(0, f); - offset++; - } - size = s->sh_size; - fwrite(s->data, 1, size, f); - offset += size; - } - } - - /* output section headers */ - while (offset < ehdr.e_shoff) { - fputc(0, f); - offset++; - } - - for(i = 0; i < s1->nb_sections; i++) { - sh = &shdr; - memset(sh, 0, sizeof(ElfW(Shdr))); - s = s1->sections[i]; - if (s) { - sh->sh_name = s->sh_name; - sh->sh_type = s->sh_type; - sh->sh_flags = s->sh_flags; - sh->sh_entsize = s->sh_entsize; - sh->sh_info = s->sh_info; - if (s->link) - sh->sh_link = s->link->sh_num; - sh->sh_addralign = s->sh_addralign; - sh->sh_addr = s->sh_addr; - sh->sh_offset = s->sh_offset; - sh->sh_size = s->sh_size; - } - fwrite(sh, 1, sizeof(ElfW(Shdr)), f); - } -} - -/* Write an elf, coff or "binary" file */ -static int tcc_write_elf_file(TCCState *s1, const char *filename, int phnum, - ElfW(Phdr) *phdr, int file_offset, int *sec_order) -{ - int fd, mode, file_type; - FILE *f; - - file_type = s1->output_type; - if (file_type == TCC_OUTPUT_OBJ) - mode = 0666; - else - mode = 0777; - unlink(filename); - fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, mode); - if (fd < 0) { - tcc_error_noabort("could not write '%s'", filename); - return -1; - } - f = fdopen(fd, "wb"); - if (s1->verbose) - printf("<- %s\n", filename); - -#ifdef TCC_TARGET_COFF - if (s1->output_format == TCC_OUTPUT_FORMAT_COFF) - tcc_output_coff(s1, f); - else -#endif - if (s1->output_format == TCC_OUTPUT_FORMAT_ELF) - tcc_output_elf(s1, f, phnum, phdr, file_offset, sec_order); - else - tcc_output_binary(s1, f, sec_order); - fclose(f); - - return 0; -} - -/* Output an elf, coff or binary file */ -/* XXX: suppress unneeded sections */ -static int elf_output_file(TCCState *s1, const char *filename) -{ - int i, ret, phnum, shnum, file_type, file_offset, *sec_order; - struct dyn_inf dyninf; - ElfW(Phdr) *phdr; - ElfW(Sym) *sym; - Section *strsec, *interp, *dynamic, *dynstr; - - file_type = s1->output_type; - s1->nb_errors = 0; - - /* if linking, also link in runtime libraries (libc, libgcc, etc.) */ - if (file_type != TCC_OUTPUT_OBJ) { - tcc_add_runtime(s1); - } - - phdr = NULL; - sec_order = NULL; - interp = dynamic = dynstr = NULL; /* avoid warning */ - dyninf.dyn_rel_off = 0; /* avoid warning */ - - if (file_type != TCC_OUTPUT_OBJ) { - relocate_common_syms(); - - tcc_add_linker_symbols(s1); - - if (!s1->static_link) { - if (file_type == TCC_OUTPUT_EXE) { - char *ptr; - /* allow override the dynamic loader */ - const char *elfint = getenv("LD_SO"); - if (elfint == NULL) - elfint = DEFAULT_ELFINTERP(s1); - /* add interpreter section only if executable */ - interp = new_section(s1, ".interp", SHT_PROGBITS, SHF_ALLOC); - interp->sh_addralign = 1; - ptr = section_ptr_add(interp, 1 + strlen(elfint)); - strcpy(ptr, elfint); - } - - /* add dynamic symbol table */ - s1->dynsym = new_symtab(s1, ".dynsym", SHT_DYNSYM, SHF_ALLOC, - ".dynstr", - ".hash", SHF_ALLOC); - dynstr = s1->dynsym->link; - - /* add dynamic section */ - dynamic = new_section(s1, ".dynamic", SHT_DYNAMIC, - SHF_ALLOC | SHF_WRITE); - dynamic->link = dynstr; - dynamic->sh_entsize = sizeof(ElfW(Dyn)); - - build_got(s1); - - if (file_type == TCC_OUTPUT_EXE) { - bind_exe_dynsyms(s1); - - if (s1->nb_errors) { - ret = -1; - goto the_end; - } - - bind_libs_dynsyms(s1); - } else /* shared library case: simply export all global symbols */ - export_global_syms(s1); - - build_got_entries(s1); - - /* add a list of needed dlls */ - for(i = 0; i < s1->nb_loaded_dlls; i++) { - DLLReference *dllref = s1->loaded_dlls[i]; - if (dllref->level == 0) - put_dt(dynamic, DT_NEEDED, put_elf_str(dynstr, dllref->name)); - } - - if (s1->rpath) - put_dt(dynamic, DT_RPATH, put_elf_str(dynstr, s1->rpath)); - - /* XXX: currently, since we do not handle PIC code, we - must relocate the readonly segments */ - if (file_type == TCC_OUTPUT_DLL) { - if (s1->soname) - put_dt(dynamic, DT_SONAME, put_elf_str(dynstr, s1->soname)); - put_dt(dynamic, DT_TEXTREL, 0); - } - - if (s1->symbolic) - put_dt(dynamic, DT_SYMBOLIC, 0); - - /* add necessary space for other entries */ - dyninf.dyn_rel_off = dynamic->data_offset; - dynamic->data_offset += sizeof(ElfW(Dyn)) * EXTRA_RELITEMS; - } else { - /* still need to build got entries in case of static link */ - build_got_entries(s1); - } - } - - /* we add a section for symbols */ - strsec = new_section(s1, ".shstrtab", SHT_STRTAB, 0); - put_elf_str(strsec, ""); - - /* compute number of sections */ - shnum = s1->nb_sections; - - /* this array is used to reorder sections in the output file */ - sec_order = tcc_malloc(sizeof(int) * shnum); - sec_order[0] = 0; - - /* compute number of program headers */ - switch(file_type) { - default: - case TCC_OUTPUT_OBJ: - phnum = 0; - break; - case TCC_OUTPUT_EXE: - if (!s1->static_link) - phnum = 4 + HAVE_PHDR; - else - phnum = 2; - break; - case TCC_OUTPUT_DLL: - phnum = 3; - break; - } - - /* Allocate strings for section names */ - alloc_sec_names(s1, file_type, strsec); - - /* allocate program segment headers */ - phdr = tcc_mallocz(phnum * sizeof(ElfW(Phdr))); - - /* compute section to program header mapping */ - file_offset = layout_sections(s1, phdr, phnum, interp, strsec, &dyninf, - sec_order); - - /* Fill remaining program header and finalize relocation related to dynamic - linking. */ - if (phnum > 0) { - fill_unloadable_phdr(phdr, phnum, interp, dynamic); - if (dynamic) { - dyninf.dynamic = dynamic; - dyninf.dynstr = dynstr; - - fill_dynamic(s1, &dyninf); - - /* put in GOT the dynamic section address and relocate PLT */ - put32(s1->got->data, dynamic->sh_addr); - if (file_type == TCC_OUTPUT_EXE -#if defined(TCC_OUTPUT_DLL_WITH_PLT) - || file_type == TCC_OUTPUT_DLL -#endif - ) - relocate_plt(s1); - - /* relocate symbols in .dynsym now that final addresses are known */ - for_each_elem(s1->dynsym, 1, sym, ElfW(Sym)) { - if (sym->st_shndx == SHN_UNDEF) { - /* relocate to PLT if symbol corresponds to a PLT entry, - but not if it's a weak symbol */ - if (ELFW(ST_BIND)(sym->st_info) == STB_WEAK) - sym->st_value = 0; - else if (sym->st_value) - sym->st_value += s1->plt->sh_addr; - } else if (sym->st_shndx < SHN_LORESERVE) { - /* do symbol relocation */ - sym->st_value += s1->sections[sym->st_shndx]->sh_addr; - } - } - } - } - - /* if building executable or DLL, then relocate each section - except the GOT which is already relocated */ - if (file_type != TCC_OUTPUT_OBJ) { - ret = final_sections_reloc(s1); - if (ret) - goto the_end; - } - - /* Perform relocation to GOT or PLT entries */ - if (file_type == TCC_OUTPUT_EXE && s1->static_link) - fill_got(s1); - - /* Create the ELF file with name 'filename' */ - ret = tcc_write_elf_file(s1, filename, phnum, phdr, file_offset, sec_order); - if (s1->do_strip) { - int rc; - const char *strip_cmd = "sstrip "; // super strip utility from ELFkickers - const char *null_dev = " 2> /dev/null"; - char buf[1050]; - snprintf(buf, sizeof(buf), "%s%s%s", strip_cmd, filename, null_dev); - rc = system(buf); - if (rc) - system(buf+1); // call a strip utility from binutils - } - the_end: - tcc_free(s1->symtab_to_dynsym); - tcc_free(sec_order); - tcc_free(phdr); - tcc_free(s1->sym_attrs); - s1->sym_attrs = NULL; - return ret; -} - -LIBTCCAPI int tcc_output_file(TCCState *s, const char *filename) -{ - int ret; -#ifdef TCC_TARGET_PE - if (s->output_type != TCC_OUTPUT_OBJ) { - ret = pe_output_file(s, filename); - } else -#endif - ret = elf_output_file(s, filename); - return ret; -} - -static void *load_data(int fd, unsigned long file_offset, unsigned long size) -{ - void *data; - - data = tcc_malloc(size); - lseek(fd, file_offset, SEEK_SET); - read(fd, data, size); - return data; -} - -typedef struct SectionMergeInfo { - Section *s; /* corresponding existing section */ - unsigned long offset; /* offset of the new section in the existing section */ - uint8_t new_section; /* true if section 's' was added */ - uint8_t link_once; /* true if link once section */ -} SectionMergeInfo; - -/* load an object file and merge it with current files */ -/* XXX: handle correctly stab (debug) info */ -ST_FUNC int tcc_load_object_file(TCCState *s1, - int fd, unsigned long file_offset) -{ - ElfW(Ehdr) ehdr; - ElfW(Shdr) *shdr, *sh; - int size, i, j, offset, offseti, nb_syms, sym_index, ret; - unsigned char *strsec, *strtab; - int *old_to_new_syms; - char *sh_name, *name; - SectionMergeInfo *sm_table, *sm; - ElfW(Sym) *sym, *symtab; - ElfW_Rel *rel; - Section *s; - - int stab_index; - int stabstr_index; - - stab_index = stabstr_index = 0; - - if (read(fd, &ehdr, sizeof(ehdr)) != sizeof(ehdr)) - goto fail1; - if (ehdr.e_ident[0] != ELFMAG0 || - ehdr.e_ident[1] != ELFMAG1 || - ehdr.e_ident[2] != ELFMAG2 || - ehdr.e_ident[3] != ELFMAG3) - goto fail1; - /* test if object file */ - if (ehdr.e_type != ET_REL) - goto fail1; - /* test CPU specific stuff */ - if (ehdr.e_ident[5] != ELFDATA2LSB || - ehdr.e_machine != EM_TCC_TARGET) { - fail1: - tcc_error_noabort("invalid object file"); - return -1; - } - /* read sections */ - shdr = load_data(fd, file_offset + ehdr.e_shoff, - sizeof(ElfW(Shdr)) * ehdr.e_shnum); - sm_table = tcc_mallocz(sizeof(SectionMergeInfo) * ehdr.e_shnum); - - /* load section names */ - sh = &shdr[ehdr.e_shstrndx]; - strsec = load_data(fd, file_offset + sh->sh_offset, sh->sh_size); - - /* load symtab and strtab */ - old_to_new_syms = NULL; - symtab = NULL; - strtab = NULL; - nb_syms = 0; - for(i = 1; i < ehdr.e_shnum; i++) { - sh = &shdr[i]; - if (sh->sh_type == SHT_SYMTAB) { - if (symtab) { - tcc_error_noabort("object must contain only one symtab"); - fail: - ret = -1; - goto the_end; - } - nb_syms = sh->sh_size / sizeof(ElfW(Sym)); - symtab = load_data(fd, file_offset + sh->sh_offset, sh->sh_size); - sm_table[i].s = symtab_section; - - /* now load strtab */ - sh = &shdr[sh->sh_link]; - strtab = load_data(fd, file_offset + sh->sh_offset, sh->sh_size); - } - } - - /* now examine each section and try to merge its content with the - ones in memory */ - for(i = 1; i < ehdr.e_shnum; i++) { - /* no need to examine section name strtab */ - if (i == ehdr.e_shstrndx) - continue; - sh = &shdr[i]; - sh_name = (char *) strsec + sh->sh_name; - /* ignore sections types we do not handle */ - if (sh->sh_type != SHT_PROGBITS && - sh->sh_type != SHT_RELX && -#ifdef TCC_ARM_EABI - sh->sh_type != SHT_ARM_EXIDX && -#endif - sh->sh_type != SHT_NOBITS && - sh->sh_type != SHT_PREINIT_ARRAY && - sh->sh_type != SHT_INIT_ARRAY && - sh->sh_type != SHT_FINI_ARRAY && - strcmp(sh_name, ".stabstr") - ) - continue; - if (sh->sh_addralign < 1) - sh->sh_addralign = 1; - /* find corresponding section, if any */ - for(j = 1; j < s1->nb_sections;j++) { - s = s1->sections[j]; - if (!strcmp(s->name, sh_name)) { - if (!strncmp(sh_name, ".gnu.linkonce", - sizeof(".gnu.linkonce") - 1)) { - /* if a 'linkonce' section is already present, we - do not add it again. It is a little tricky as - symbols can still be defined in - it. */ - sm_table[i].link_once = 1; - goto next; - } else { - goto found; - } - } - } - /* not found: create new section */ - s = new_section(s1, sh_name, sh->sh_type, sh->sh_flags); - /* take as much info as possible from the section. sh_link and - sh_info will be updated later */ - s->sh_addralign = sh->sh_addralign; - s->sh_entsize = sh->sh_entsize; - sm_table[i].new_section = 1; - found: - if (sh->sh_type != s->sh_type) { - tcc_error_noabort("invalid section type"); - goto fail; - } - - /* align start of section */ - offset = s->data_offset; - - if (0 == strcmp(sh_name, ".stab")) { - stab_index = i; - goto no_align; - } - if (0 == strcmp(sh_name, ".stabstr")) { - stabstr_index = i; - goto no_align; - } - - size = sh->sh_addralign - 1; - offset = (offset + size) & ~size; - if (sh->sh_addralign > s->sh_addralign) - s->sh_addralign = sh->sh_addralign; - s->data_offset = offset; - no_align: - sm_table[i].offset = offset; - sm_table[i].s = s; - /* concatenate sections */ - size = sh->sh_size; - if (sh->sh_type != SHT_NOBITS) { - unsigned char *ptr; - lseek(fd, file_offset + sh->sh_offset, SEEK_SET); - ptr = section_ptr_add(s, size); - read(fd, ptr, size); - } else { - s->data_offset += size; - } - next: ; - } - - /* gr relocate stab strings */ - if (stab_index && stabstr_index) { - Stab_Sym *a, *b; - unsigned o; - s = sm_table[stab_index].s; - a = (Stab_Sym *)(s->data + sm_table[stab_index].offset); - b = (Stab_Sym *)(s->data + s->data_offset); - o = sm_table[stabstr_index].offset; - while (a < b) - a->n_strx += o, a++; - } - - /* second short pass to update sh_link and sh_info fields of new - sections */ - for(i = 1; i < ehdr.e_shnum; i++) { - s = sm_table[i].s; - if (!s || !sm_table[i].new_section) - continue; - sh = &shdr[i]; - if (sh->sh_link > 0) - s->link = sm_table[sh->sh_link].s; - if (sh->sh_type == SHT_RELX) { - s->sh_info = sm_table[sh->sh_info].s->sh_num; - /* update backward link */ - s1->sections[s->sh_info]->reloc = s; - } - } - sm = sm_table; - - /* resolve symbols */ - old_to_new_syms = tcc_mallocz(nb_syms * sizeof(int)); - - sym = symtab + 1; - for(i = 1; i < nb_syms; i++, sym++) { - if (sym->st_shndx != SHN_UNDEF && - sym->st_shndx < SHN_LORESERVE) { - sm = &sm_table[sym->st_shndx]; - if (sm->link_once) { - /* if a symbol is in a link once section, we use the - already defined symbol. It is very important to get - correct relocations */ - if (ELFW(ST_BIND)(sym->st_info) != STB_LOCAL) { - name = (char *) strtab + sym->st_name; - sym_index = find_elf_sym(symtab_section, name); - if (sym_index) - old_to_new_syms[i] = sym_index; - } - continue; - } - /* if no corresponding section added, no need to add symbol */ - if (!sm->s) - continue; - /* convert section number */ - sym->st_shndx = sm->s->sh_num; - /* offset value */ - sym->st_value += sm->offset; - } - /* add symbol */ - name = (char *) strtab + sym->st_name; - sym_index = add_elf_sym(symtab_section, sym->st_value, sym->st_size, - sym->st_info, sym->st_other, - sym->st_shndx, name); - old_to_new_syms[i] = sym_index; - } - - /* third pass to patch relocation entries */ - for(i = 1; i < ehdr.e_shnum; i++) { - s = sm_table[i].s; - if (!s) - continue; - sh = &shdr[i]; - offset = sm_table[i].offset; - switch(s->sh_type) { - case SHT_RELX: - /* take relocation offset information */ - offseti = sm_table[sh->sh_info].offset; - for_each_elem(s, (offset / sizeof(*rel)), rel, ElfW_Rel) { - int type; - unsigned sym_index; - /* convert symbol index */ - type = ELFW(R_TYPE)(rel->r_info); - sym_index = ELFW(R_SYM)(rel->r_info); - /* NOTE: only one symtab assumed */ - if (sym_index >= nb_syms) - goto invalid_reloc; - sym_index = old_to_new_syms[sym_index]; - /* ignore link_once in rel section. */ - if (!sym_index && !sm->link_once -#ifdef TCC_TARGET_ARM - && type != R_ARM_V4BX -#endif - ) { - invalid_reloc: - tcc_error_noabort("Invalid relocation entry [%2d] '%s' @ %.8x", - i, strsec + sh->sh_name, rel->r_offset); - goto fail; - } - rel->r_info = ELFW(R_INFO)(sym_index, type); - /* offset the relocation offset */ - rel->r_offset += offseti; -#ifdef TCC_TARGET_ARM - /* Jumps and branches from a Thumb code to a PLT entry need - special handling since PLT entries are ARM code. - Unconditional bl instructions referencing PLT entries are - handled by converting these instructions into blx - instructions. Other case of instructions referencing a PLT - entry require to add a Thumb stub before the PLT entry to - switch to ARM mode. We set bit plt_thumb_stub of the - attribute of a symbol to indicate such a case. */ - if (type == R_ARM_THM_JUMP24) - alloc_sym_attr(s1, sym_index)->plt_thumb_stub = 1; -#endif - } - break; - default: - break; - } - } - - ret = 0; - the_end: - tcc_free(symtab); - tcc_free(strtab); - tcc_free(old_to_new_syms); - tcc_free(sm_table); - tcc_free(strsec); - tcc_free(shdr); - return ret; -} - -typedef struct ArchiveHeader { - char ar_name[16]; /* name of this member */ - char ar_date[12]; /* file mtime */ - char ar_uid[6]; /* owner uid; printed as decimal */ - char ar_gid[6]; /* owner gid; printed as decimal */ - char ar_mode[8]; /* file mode, printed as octal */ - char ar_size[10]; /* file size, printed as decimal */ - char ar_fmag[2]; /* should contain ARFMAG */ -} ArchiveHeader; - -static int get_be32(const uint8_t *b) -{ - return b[3] | (b[2] << 8) | (b[1] << 16) | (b[0] << 24); -} - -/* load only the objects which resolve undefined symbols */ -static int tcc_load_alacarte(TCCState *s1, int fd, int size) -{ - int i, bound, nsyms, sym_index, off, ret; - uint8_t *data; - const char *ar_names, *p; - const uint8_t *ar_index; - ElfW(Sym) *sym; - - data = tcc_malloc(size); - if (read(fd, data, size) != size) - goto fail; - nsyms = get_be32(data); - ar_index = data + 4; - ar_names = (char *) ar_index + nsyms * 4; - - do { - bound = 0; - for(p = ar_names, i = 0; i < nsyms; i++, p += strlen(p)+1) { - sym_index = find_elf_sym(symtab_section, p); - if(sym_index) { - sym = &((ElfW(Sym) *)symtab_section->data)[sym_index]; - if(sym->st_shndx == SHN_UNDEF) { - off = get_be32(ar_index + i * 4) + sizeof(ArchiveHeader); - ++bound; - lseek(fd, off, SEEK_SET); - if(tcc_load_object_file(s1, fd, off) < 0) { - fail: - ret = -1; - goto the_end; - } - } - } - } - } while(bound); - ret = 0; - the_end: - tcc_free(data); - return ret; -} - -/* load a '.a' file */ -ST_FUNC int tcc_load_archive(TCCState *s1, int fd) -{ - ArchiveHeader hdr; - char ar_size[11]; - char ar_name[17]; - char magic[8]; - int size, len, i; - unsigned long file_offset; - - /* skip magic which was already checked */ - read(fd, magic, sizeof(magic)); - - for(;;) { - len = read(fd, &hdr, sizeof(hdr)); - if (len == 0) - break; - if (len != sizeof(hdr)) { - tcc_error_noabort("invalid archive"); - return -1; - } - memcpy(ar_size, hdr.ar_size, sizeof(hdr.ar_size)); - ar_size[sizeof(hdr.ar_size)] = '\0'; - size = strtol(ar_size, NULL, 0); - memcpy(ar_name, hdr.ar_name, sizeof(hdr.ar_name)); - for(i = sizeof(hdr.ar_name) - 1; i >= 0; i--) { - if (ar_name[i] != ' ') - break; - } - ar_name[i + 1] = '\0'; - file_offset = lseek(fd, 0, SEEK_CUR); - /* align to even */ - size = (size + 1) & ~1; - if (!strcmp(ar_name, "/")) { - /* coff symbol table : we handle it */ - if(s1->alacarte_link) - return tcc_load_alacarte(s1, fd, size); - } else if (!strcmp(ar_name, "//") || - !strcmp(ar_name, "__.SYMDEF") || - !strcmp(ar_name, "__.SYMDEF/") || - !strcmp(ar_name, "ARFILENAMES/")) { - /* skip symbol table or archive names */ - } else { - if (tcc_load_object_file(s1, fd, file_offset) < 0) - return -1; - } - lseek(fd, file_offset + size, SEEK_SET); - } - return 0; -} - -#ifndef TCC_TARGET_PE -/* load a DLL and all referenced DLLs. 'level = 0' means that the DLL - is referenced by the user (so it should be added as DT_NEEDED in - the generated ELF file) */ -ST_FUNC int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level) -{ - ElfW(Ehdr) ehdr; - ElfW(Shdr) *shdr, *sh, *sh1; - int i, j, nb_syms, nb_dts, sym_bind, ret; - ElfW(Sym) *sym, *dynsym; - ElfW(Dyn) *dt, *dynamic; - unsigned char *dynstr; - const char *name, *soname; - DLLReference *dllref; - - read(fd, &ehdr, sizeof(ehdr)); - - /* test CPU specific stuff */ - if (ehdr.e_ident[5] != ELFDATA2LSB || - ehdr.e_machine != EM_TCC_TARGET) { - tcc_error_noabort("bad architecture"); - return -1; - } - - /* read sections */ - shdr = load_data(fd, ehdr.e_shoff, sizeof(ElfW(Shdr)) * ehdr.e_shnum); - - /* load dynamic section and dynamic symbols */ - nb_syms = 0; - nb_dts = 0; - dynamic = NULL; - dynsym = NULL; /* avoid warning */ - dynstr = NULL; /* avoid warning */ - for(i = 0, sh = shdr; i < ehdr.e_shnum; i++, sh++) { - switch(sh->sh_type) { - case SHT_DYNAMIC: - nb_dts = sh->sh_size / sizeof(ElfW(Dyn)); - dynamic = load_data(fd, sh->sh_offset, sh->sh_size); - break; - case SHT_DYNSYM: - nb_syms = sh->sh_size / sizeof(ElfW(Sym)); - dynsym = load_data(fd, sh->sh_offset, sh->sh_size); - sh1 = &shdr[sh->sh_link]; - dynstr = load_data(fd, sh1->sh_offset, sh1->sh_size); - break; - default: - break; - } - } - - /* compute the real library name */ - soname = tcc_basename(filename); - - for(i = 0, dt = dynamic; i < nb_dts; i++, dt++) { - if (dt->d_tag == DT_SONAME) { - soname = (char *) dynstr + dt->d_un.d_val; - } - } - - /* if the dll is already loaded, do not load it */ - for(i = 0; i < s1->nb_loaded_dlls; i++) { - dllref = s1->loaded_dlls[i]; - if (!strcmp(soname, dllref->name)) { - /* but update level if needed */ - if (level < dllref->level) - dllref->level = level; - ret = 0; - goto the_end; - } - } - - /* add the dll and its level */ - dllref = tcc_mallocz(sizeof(DLLReference) + strlen(soname)); - dllref->level = level; - strcpy(dllref->name, soname); - dynarray_add((void ***)&s1->loaded_dlls, &s1->nb_loaded_dlls, dllref); - - /* add dynamic symbols in dynsym_section */ - for(i = 1, sym = dynsym + 1; i < nb_syms; i++, sym++) { - sym_bind = ELFW(ST_BIND)(sym->st_info); - if (sym_bind == STB_LOCAL) - continue; - name = (char *) dynstr + sym->st_name; - add_elf_sym(s1->dynsymtab_section, sym->st_value, sym->st_size, - sym->st_info, sym->st_other, sym->st_shndx, name); - } - - /* load all referenced DLLs */ - for(i = 0, dt = dynamic; i < nb_dts; i++, dt++) { - switch(dt->d_tag) { - case DT_NEEDED: - name = (char *) dynstr + dt->d_un.d_val; - for(j = 0; j < s1->nb_loaded_dlls; j++) { - dllref = s1->loaded_dlls[j]; - if (!strcmp(name, dllref->name)) - goto already_loaded; - } - if (tcc_add_dll(s1, name, AFF_REFERENCED_DLL) < 0) { - tcc_error_noabort("referenced dll '%s' not found", name); - ret = -1; - goto the_end; - } - already_loaded: - break; - } - } - ret = 0; - the_end: - tcc_free(dynstr); - tcc_free(dynsym); - tcc_free(dynamic); - tcc_free(shdr); - return ret; -} - -#define LD_TOK_NAME 256 -#define LD_TOK_EOF (-1) - -/* return next ld script token */ -static int ld_next(TCCState *s1, char *name, int name_size) -{ - int c; - char *q; - - redo: - switch(ch) { - case ' ': - case '\t': - case '\f': - case '\v': - case '\r': - case '\n': - inp(); - goto redo; - case '/': - minp(); - if (ch == '*') { - file->buf_ptr = parse_comment(file->buf_ptr); - ch = file->buf_ptr[0]; - goto redo; - } else { - q = name; - *q++ = '/'; - goto parse_name; - } - break; - case '\\': - ch = handle_eob(); - if (ch != '\\') - goto redo; - /* fall through */ - /* case 'a' ... 'z': */ - case 'a': - case 'b': - case 'c': - case 'd': - case 'e': - case 'f': - case 'g': - case 'h': - case 'i': - case 'j': - case 'k': - case 'l': - case 'm': - case 'n': - case 'o': - case 'p': - case 'q': - case 'r': - case 's': - case 't': - case 'u': - case 'v': - case 'w': - case 'x': - case 'y': - case 'z': - /* case 'A' ... 'z': */ - case 'A': - case 'B': - case 'C': - case 'D': - case 'E': - case 'F': - case 'G': - case 'H': - case 'I': - case 'J': - case 'K': - case 'L': - case 'M': - case 'N': - case 'O': - case 'P': - case 'Q': - case 'R': - case 'S': - case 'T': - case 'U': - case 'V': - case 'W': - case 'X': - case 'Y': - case 'Z': - case '_': - case '.': - case '$': - case '~': - q = name; - parse_name: - for(;;) { - if (!((ch >= 'a' && ch <= 'z') || - (ch >= 'A' && ch <= 'Z') || - (ch >= '0' && ch <= '9') || - strchr("/.-_+=$:\\,~", ch))) - break; - if ((q - name) < name_size - 1) { - *q++ = ch; - } - minp(); - } - *q = '\0'; - c = LD_TOK_NAME; - break; - case CH_EOF: - c = LD_TOK_EOF; - break; - default: - c = ch; - inp(); - break; - } - return c; -} - -static int ld_add_file(TCCState *s1, const char filename[]) -{ - int ret; - - ret = tcc_add_file_internal(s1, filename, 0, TCC_FILETYPE_BINARY); - if (ret) - ret = tcc_add_dll(s1, filename, 0); - return ret; -} - -static inline int new_undef_syms(void) -{ - int ret = 0; - ret = new_undef_sym; - new_undef_sym = 0; - return ret; -} - -static int ld_add_file_list(TCCState *s1, const char *cmd, int as_needed) -{ - char filename[1024], libname[1024]; - int t, group, nblibs = 0, ret = 0; - char **libs = NULL; - - group = !strcmp(cmd, "GROUP"); - if (!as_needed) - new_undef_syms(); - t = ld_next(s1, filename, sizeof(filename)); - if (t != '(') - expect("("); - t = ld_next(s1, filename, sizeof(filename)); - for(;;) { - libname[0] = '\0'; - if (t == LD_TOK_EOF) { - tcc_error_noabort("unexpected end of file"); - ret = -1; - goto lib_parse_error; - } else if (t == ')') { - break; - } else if (t == '-') { - t = ld_next(s1, filename, sizeof(filename)); - if ((t != LD_TOK_NAME) || (filename[0] != 'l')) { - tcc_error_noabort("library name expected"); - ret = -1; - goto lib_parse_error; - } - pstrcpy(libname, sizeof libname, &filename[1]); - if (s1->static_link) { - snprintf(filename, sizeof filename, "lib%s.a", libname); - } else { - snprintf(filename, sizeof filename, "lib%s.so", libname); - } - } else if (t != LD_TOK_NAME) { - tcc_error_noabort("filename expected"); - ret = -1; - goto lib_parse_error; - } - if (!strcmp(filename, "AS_NEEDED")) { - ret = ld_add_file_list(s1, cmd, 1); - if (ret) - goto lib_parse_error; - } else { - /* TODO: Implement AS_NEEDED support. Ignore it for now */ - if (!as_needed) { - ret = ld_add_file(s1, filename); - if (ret) - goto lib_parse_error; - if (group) { - /* Add the filename *and* the libname to avoid future conversions */ - dynarray_add((void ***) &libs, &nblibs, tcc_strdup(filename)); - if (libname[0] != '\0') - dynarray_add((void ***) &libs, &nblibs, tcc_strdup(libname)); - } - } - } - t = ld_next(s1, filename, sizeof(filename)); - if (t == ',') { - t = ld_next(s1, filename, sizeof(filename)); - } - } - if (group && !as_needed) { - while (new_undef_syms()) { - int i; - - for (i = 0; i < nblibs; i ++) - ld_add_file(s1, libs[i]); - } - } -lib_parse_error: - dynarray_reset(&libs, &nblibs); - return ret; -} - -/* interpret a subset of GNU ldscripts to handle the dummy libc.so - files */ -ST_FUNC int tcc_load_ldscript(TCCState *s1) -{ - char cmd[64]; - char filename[1024]; - int t, ret; - - ch = handle_eob(); - for(;;) { - t = ld_next(s1, cmd, sizeof(cmd)); - if (t == LD_TOK_EOF) - return 0; - else if (t != LD_TOK_NAME) - return -1; - if (!strcmp(cmd, "INPUT") || - !strcmp(cmd, "GROUP")) { - ret = ld_add_file_list(s1, cmd, 0); - if (ret) - return ret; - } else if (!strcmp(cmd, "OUTPUT_FORMAT") || - !strcmp(cmd, "TARGET")) { - /* ignore some commands */ - t = ld_next(s1, cmd, sizeof(cmd)); - if (t != '(') - expect("("); - for(;;) { - t = ld_next(s1, filename, sizeof(filename)); - if (t == LD_TOK_EOF) { - tcc_error_noabort("unexpected end of file"); - return -1; - } else if (t == ')') { - break; - } - } - } else { - return -1; - } - } - return 0; -} -#endif /* !TCC_TARGET_PE */ diff --git a/src/tccgen.c b/src/tccgen.c deleted file mode 100644 index 981e991..0000000 --- a/src/tccgen.c +++ /dev/null @@ -1,6462 +0,0 @@ -/* - * TCC - Tiny C Compiler - * - * Copyright (c) 2001-2004 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "tcc.h" - -/********************************************************/ -/* global variables */ - -/* loc : local variable index - ind : output code index - rsym: return symbol - anon_sym: anonymous symbol index -*/ -ST_DATA int rsym, anon_sym, ind, loc; - -ST_DATA Section *text_section, *data_section, *bss_section; /* predefined sections */ -ST_DATA Section *cur_text_section; /* current section where function code is generated */ -#ifdef CONFIG_TCC_ASM -ST_DATA Section *last_text_section; /* to handle .previous asm directive */ -#endif -#ifdef CONFIG_TCC_BCHECK -/* bound check related sections */ -ST_DATA Section *bounds_section; /* contains global data bound description */ -ST_DATA Section *lbounds_section; /* contains local data bound description */ -#endif -/* symbol sections */ -ST_DATA Section *symtab_section, *strtab_section; -/* debug sections */ -ST_DATA Section *stab_section, *stabstr_section; -ST_DATA Sym *sym_free_first; -ST_DATA void **sym_pools; -ST_DATA int nb_sym_pools; - -ST_DATA Sym *global_stack; -ST_DATA Sym *local_stack; -ST_DATA Sym *scope_stack_bottom; -ST_DATA Sym *define_stack; -ST_DATA Sym *global_label_stack; -ST_DATA Sym *local_label_stack; - -ST_DATA int vlas_in_scope; /* number of VLAs that are currently in scope */ -ST_DATA int vla_sp_root_loc; /* vla_sp_loc for SP before any VLAs were pushed */ -ST_DATA int vla_sp_loc; /* Pointer to variable holding location to store stack pointer on the stack when modifying stack pointer */ - -ST_DATA SValue __vstack[1+VSTACK_SIZE], *vtop, *pvtop; - -ST_DATA int const_wanted; /* true if constant wanted */ -ST_DATA int nocode_wanted; /* true if no code generation wanted for an expression */ -ST_DATA int global_expr; /* true if compound literals must be allocated globally (used during initializers parsing */ -ST_DATA CType func_vt; /* current function return type (used by return instruction) */ -ST_DATA int func_var; /* true if current function is variadic (used by return instruction) */ -ST_DATA int func_vc; -ST_DATA int last_line_num, last_ind, func_ind; /* debug last line number and pc */ -ST_DATA const char *funcname; - -ST_DATA CType char_pointer_type, func_old_type, int_type, size_type; - -/* ------------------------------------------------------------------------- */ -static void gen_cast(CType *type); -static inline CType *pointed_type(CType *type); -static int is_compatible_types(CType *type1, CType *type2); -static int parse_btype(CType *type, AttributeDef *ad); -static void type_decl(CType *type, AttributeDef *ad, int *v, int td); -static void parse_expr_type(CType *type); -static void decl_initializer(CType *type, Section *sec, unsigned long c, int first, int size_only); -static void block(int *bsym, int *csym, int *case_sym, int *def_sym, int case_reg, int is_expr); -static void decl_initializer_alloc(CType *type, AttributeDef *ad, int r, int has_init, int v, char *asm_label, int scope); -static int decl0(int l, int is_for_loop_init); -static void expr_eq(void); -static void unary_type(CType *type); -static void vla_runtime_type_size(CType *type, int *a); -static void vla_sp_restore(void); -static void vla_sp_restore_root(void); -static int is_compatible_parameter_types(CType *type1, CType *type2); -static void expr_type(CType *type); -ST_FUNC void vpush64(int ty, unsigned long long v); -ST_FUNC void vpush(CType *type); -ST_FUNC int gvtst(int inv, int t); -ST_FUNC int is_btype_size(int bt); - -ST_INLN int is_float(int t) -{ - int bt; - bt = t & VT_BTYPE; - return bt == VT_LDOUBLE || bt == VT_DOUBLE || bt == VT_FLOAT || bt == VT_QFLOAT; -} - -/* we use our own 'finite' function to avoid potential problems with - non standard math libs */ -/* XXX: endianness dependent */ -ST_FUNC int ieee_finite(double d) -{ - int p[4]; - memcpy(p, &d, sizeof(double)); - return ((unsigned)((p[1] | 0x800fffff) + 1)) >> 31; -} - -ST_FUNC void test_lvalue(void) -{ - if (!(vtop->r & VT_LVAL)) - expect("lvalue"); -} - -ST_FUNC void check_vstack(void) -{ - if (pvtop != vtop) - tcc_error("internal compiler error: vstack leak (%d)", vtop - pvtop); -} - -/* ------------------------------------------------------------------------- */ -/* symbol allocator */ -static Sym *__sym_malloc(void) -{ - Sym *sym_pool, *sym, *last_sym; - int i; - - sym_pool = tcc_malloc(SYM_POOL_NB * sizeof(Sym)); - dynarray_add(&sym_pools, &nb_sym_pools, sym_pool); - - last_sym = sym_free_first; - sym = sym_pool; - for(i = 0; i < SYM_POOL_NB; i++) { - sym->next = last_sym; - last_sym = sym; - sym++; - } - sym_free_first = last_sym; - return last_sym; -} - -static inline Sym *sym_malloc(void) -{ - Sym *sym; - sym = sym_free_first; - if (!sym) - sym = __sym_malloc(); - sym_free_first = sym->next; - return sym; -} - -ST_INLN void sym_free(Sym *sym) -{ - sym->next = sym_free_first; - tcc_free(sym->asm_label); - sym_free_first = sym; -} - -/* push, without hashing */ -ST_FUNC Sym *sym_push2(Sym **ps, int v, int t, long c) -{ - Sym *s; - if (ps == &local_stack) { - for (s = *ps; s && s != scope_stack_bottom; s = s->prev) - if (!(v & SYM_FIELD) && (v & ~SYM_STRUCT) < SYM_FIRST_ANOM && s->v == v) - tcc_error("incompatible types for redefinition of '%s'", - get_tok_str(v, NULL)); - } - s = sym_malloc(); - s->asm_label = NULL; - s->v = v; - s->type.t = t; - s->type.ref = NULL; -#ifdef _WIN64 - s->d = NULL; -#endif - s->c = c; - s->next = NULL; - /* add in stack */ - s->prev = *ps; - *ps = s; - return s; -} - -/* find a symbol and return its associated structure. 's' is the top - of the symbol stack */ -ST_FUNC Sym *sym_find2(Sym *s, int v) -{ - while (s) { - if (s->v == v) - return s; - else if (s->v == -1) - return NULL; - s = s->prev; - } - return NULL; -} - -/* structure lookup */ -ST_INLN Sym *struct_find(int v) -{ - v -= TOK_IDENT; - if ((unsigned)v >= (unsigned)(tok_ident - TOK_IDENT)) - return NULL; - return table_ident[v]->sym_struct; -} - -/* find an identifier */ -ST_INLN Sym *sym_find(int v) -{ - v -= TOK_IDENT; - if ((unsigned)v >= (unsigned)(tok_ident - TOK_IDENT)) - return NULL; - return table_ident[v]->sym_identifier; -} - -/* push a given symbol on the symbol stack */ -ST_FUNC Sym *sym_push(int v, CType *type, int r, int c) -{ - Sym *s, **ps; - TokenSym *ts; - - if (local_stack) - ps = &local_stack; - else - ps = &global_stack; - s = sym_push2(ps, v, type->t, c); - s->type.ref = type->ref; - s->r = r; - /* don't record fields or anonymous symbols */ - /* XXX: simplify */ - if (!(v & SYM_FIELD) && (v & ~SYM_STRUCT) < SYM_FIRST_ANOM) { - /* record symbol in token array */ - ts = table_ident[(v & ~SYM_STRUCT) - TOK_IDENT]; - if (v & SYM_STRUCT) - ps = &ts->sym_struct; - else - ps = &ts->sym_identifier; - s->prev_tok = *ps; - *ps = s; - } - return s; -} - -/* push a global identifier */ -ST_FUNC Sym *global_identifier_push(int v, int t, int c) -{ - Sym *s, **ps; - s = sym_push2(&global_stack, v, t, c); - /* don't record anonymous symbol */ - if (v < SYM_FIRST_ANOM) { - ps = &table_ident[v - TOK_IDENT]->sym_identifier; - /* modify the top most local identifier, so that - sym_identifier will point to 's' when popped */ - while (*ps != NULL) - ps = &(*ps)->prev_tok; - s->prev_tok = NULL; - *ps = s; - } - return s; -} - -/* pop symbols until top reaches 'b' */ -ST_FUNC void sym_pop(Sym **ptop, Sym *b) -{ - Sym *s, *ss, **ps; - TokenSym *ts; - int v; - - s = *ptop; - while(s != b) { - ss = s->prev; - v = s->v; - /* remove symbol in token array */ - /* XXX: simplify */ - if (!(v & SYM_FIELD) && (v & ~SYM_STRUCT) < SYM_FIRST_ANOM) { - ts = table_ident[(v & ~SYM_STRUCT) - TOK_IDENT]; - if (v & SYM_STRUCT) - ps = &ts->sym_struct; - else - ps = &ts->sym_identifier; - *ps = s->prev_tok; - } - sym_free(s); - s = ss; - } - *ptop = b; -} - -static void weaken_symbol(Sym *sym) -{ - sym->type.t |= VT_WEAK; - if (sym->c > 0) { - int esym_type; - ElfW(Sym) *esym; - - esym = &((ElfW(Sym) *)symtab_section->data)[sym->c]; - esym_type = ELFW(ST_TYPE)(esym->st_info); - esym->st_info = ELFW(ST_INFO)(STB_WEAK, esym_type); - } -} - -static void apply_visibility(Sym *sym, CType *type) -{ - int vis = sym->type.t & VT_VIS_MASK; - int vis2 = type->t & VT_VIS_MASK; - if (vis == (STV_DEFAULT << VT_VIS_SHIFT)) - vis = vis2; - else if (vis2 == (STV_DEFAULT << VT_VIS_SHIFT)) - ; - else - vis = (vis < vis2) ? vis : vis2; - sym->type.t &= ~VT_VIS_MASK; - sym->type.t |= vis; - - if (sym->c > 0) { - ElfW(Sym) *esym; - - esym = &((ElfW(Sym) *)symtab_section->data)[sym->c]; - vis >>= VT_VIS_SHIFT; - esym->st_other = (esym->st_other & ~ELFW(ST_VISIBILITY)(-1)) | vis; - } -} - -/* ------------------------------------------------------------------------- */ - -ST_FUNC void swap(int *p, int *q) -{ - int t; - t = *p; - *p = *q; - *q = t; -} - -static void vsetc(CType *type, int r, CValue *vc) -{ - int v; - - if (vtop >= vstack + (VSTACK_SIZE - 1)) - tcc_error("memory full (vstack)"); - /* cannot let cpu flags if other instruction are generated. Also - avoid leaving VT_JMP anywhere except on the top of the stack - because it would complicate the code generator. */ - if (vtop >= vstack) { - v = vtop->r & VT_VALMASK; - if (v == VT_CMP || (v & ~1) == VT_JMP) - gv(RC_INT); - } - vtop++; - vtop->type = *type; - vtop->r = r; - vtop->r2 = VT_CONST; - vtop->c = *vc; -} - -/* push constant of type "type" with useless value */ -ST_FUNC void vpush(CType *type) -{ - CValue cval; - vsetc(type, VT_CONST, &cval); -} - -/* push integer constant */ -ST_FUNC void vpushi(int v) -{ - CValue cval; - cval.i = v; - vsetc(&int_type, VT_CONST, &cval); -} - -/* push a pointer sized constant */ -static void vpushs(addr_t v) -{ - CValue cval; - cval.ptr_offset = v; - vsetc(&size_type, VT_CONST, &cval); -} - -/* push arbitrary 64bit constant */ -ST_FUNC void vpush64(int ty, unsigned long long v) -{ - CValue cval; - CType ctype; - ctype.t = ty; - ctype.ref = NULL; - cval.ull = v; - vsetc(&ctype, VT_CONST, &cval); -} - -/* push long long constant */ -static inline void vpushll(long long v) -{ - vpush64(VT_LLONG, v); -} - -/* push a symbol value of TYPE */ -static inline void vpushsym(CType *type, Sym *sym) -{ - CValue cval; - cval.ptr_offset = 0; - vsetc(type, VT_CONST | VT_SYM, &cval); - vtop->sym = sym; -} - -/* Return a static symbol pointing to a section */ -ST_FUNC Sym *get_sym_ref(CType *type, Section *sec, unsigned long offset, unsigned long size) -{ - int v; - Sym *sym; - - v = anon_sym++; - sym = global_identifier_push(v, type->t | VT_STATIC, 0); - sym->type.ref = type->ref; - sym->r = VT_CONST | VT_SYM; - put_extern_sym(sym, sec, offset, size); - return sym; -} - -/* push a reference to a section offset by adding a dummy symbol */ -static void vpush_ref(CType *type, Section *sec, unsigned long offset, unsigned long size) -{ - vpushsym(type, get_sym_ref(type, sec, offset, size)); -} - -/* define a new external reference to a symbol 'v' of type 'u' */ -ST_FUNC Sym *external_global_sym(int v, CType *type, int r) -{ - Sym *s; - - s = sym_find(v); - if (!s) { - /* push forward reference */ - s = global_identifier_push(v, type->t | VT_EXTERN, 0); - s->type.ref = type->ref; - s->r = r | VT_CONST | VT_SYM; - } - return s; -} - -/* define a new external reference to a symbol 'v' with alternate asm - name 'asm_label' of type 'u'. 'asm_label' is equal to NULL if there - is no alternate name (most cases) */ -static Sym *external_sym(int v, CType *type, int r, char *asm_label) -{ - Sym *s; - - s = sym_find(v); - if (!s) { - /* push forward reference */ - s = sym_push(v, type, r | VT_CONST | VT_SYM, 0); - s->asm_label = asm_label; - s->type.t |= VT_EXTERN; - } else if (s->type.ref == func_old_type.ref) { - s->type.ref = type->ref; - s->r = r | VT_CONST | VT_SYM; - s->type.t |= VT_EXTERN; - } else if (!is_compatible_types(&s->type, type)) { - tcc_error("incompatible types for redefinition of '%s'", - get_tok_str(v, NULL)); - } - /* Merge some storage attributes. */ - if (type->t & VT_WEAK) - weaken_symbol(s); - - if (type->t & VT_VIS_MASK) - apply_visibility(s, type); - - return s; -} - -/* push a reference to global symbol v */ -ST_FUNC void vpush_global_sym(CType *type, int v) -{ - vpushsym(type, external_global_sym(v, type, 0)); -} - -ST_FUNC void vset(CType *type, int r, int v) -{ - CValue cval; - - cval.i = v; - vsetc(type, r, &cval); -} - -static void vseti(int r, int v) -{ - CType type; - type.t = VT_INT; - type.ref = 0; - vset(&type, r, v); -} - -ST_FUNC void vswap(void) -{ - SValue tmp; - /* cannot let cpu flags if other instruction are generated. Also - avoid leaving VT_JMP anywhere except on the top of the stack - because it would complicate the code generator. */ - if (vtop >= vstack) { - int v = vtop->r & VT_VALMASK; - if (v == VT_CMP || (v & ~1) == VT_JMP) - gv(RC_INT); - } - tmp = vtop[0]; - vtop[0] = vtop[-1]; - vtop[-1] = tmp; - -/* XXX: +2% overall speed possible with optimized memswap - * - * memswap(&vtop[0], &vtop[1], sizeof *vtop); - */ -} - -ST_FUNC void vpushv(SValue *v) -{ - if (vtop >= vstack + (VSTACK_SIZE - 1)) - tcc_error("memory full (vstack)"); - vtop++; - *vtop = *v; -} - -ST_FUNC void vdup(void) -{ - vpushv(vtop); -} - -/* save r to the memory stack, and mark it as being free */ -ST_FUNC void save_reg(int r) -{ - int l, saved, size, align; - SValue *p, sv; - CType *type; - - /* modify all stack values */ - saved = 0; - l = 0; - for(p=vstack;p<=vtop;p++) { - if ((p->r & VT_VALMASK) == r || - ((p->type.t & VT_BTYPE) == VT_LLONG && (p->r2 & VT_VALMASK) == r)) { - /* must save value on stack if not already done */ - if (!saved) { - /* NOTE: must reload 'r' because r might be equal to r2 */ - r = p->r & VT_VALMASK; - /* store register in the stack */ - type = &p->type; - if ((p->r & VT_LVAL) || - (!is_float(type->t) && (type->t & VT_BTYPE) != VT_LLONG)) -#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) - type = &char_pointer_type; -#else - type = &int_type; -#endif - size = type_size(type, &align); - loc = (loc - size) & -align; - sv.type.t = type->t; - sv.r = VT_LOCAL | VT_LVAL; - sv.c.ul = loc; - store(r, &sv); -#if defined(TCC_TARGET_I386) || defined(TCC_TARGET_X86_64) - /* x86 specific: need to pop fp register ST0 if saved */ - if (r == TREG_ST0) { - o(0xd8dd); /* fstp %st(0) */ - } -#endif -#if !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_X86_64) - /* special long long case */ - if ((type->t & VT_BTYPE) == VT_LLONG) { - sv.c.ul += 4; - store(p->r2, &sv); - } -#endif - l = loc; - saved = 1; - } - /* mark that stack entry as being saved on the stack */ - if (p->r & VT_LVAL) { - /* also clear the bounded flag because the - relocation address of the function was stored in - p->c.ul */ - p->r = (p->r & ~(VT_VALMASK | VT_BOUNDED)) | VT_LLOCAL; - } else { - p->r = lvalue_type(p->type.t) | VT_LOCAL; - } - p->r2 = VT_CONST; - p->c.ul = l; - } - } -} - -#ifdef TCC_TARGET_ARM -/* find a register of class 'rc2' with at most one reference on stack. - * If none, call get_reg(rc) */ -ST_FUNC int get_reg_ex(int rc, int rc2) -{ - int r; - SValue *p; - - for(r=0;rr & VT_VALMASK) == r || - (p->r2 & VT_VALMASK) == r) - n++; - } - if (n <= 1) - return r; - } - } - return get_reg(rc); -} -#endif - -/* find a free register of class 'rc'. If none, save one register */ -ST_FUNC int get_reg(int rc) -{ - int r; - SValue *p; - - /* find a free register */ - for(r=0;rr & VT_VALMASK) == r || - (p->r2 & VT_VALMASK) == r) - goto notfound; - } - return r; - } - notfound: ; - } - - /* no register left : free the first one on the stack (VERY - IMPORTANT to start from the bottom to ensure that we don't - spill registers used in gen_opi()) */ - for(p=vstack;p<=vtop;p++) { - /* look at second register (if long long) */ - r = p->r2 & VT_VALMASK; - if (r < VT_CONST && (reg_classes[r] & rc)) - goto save_found; - r = p->r & VT_VALMASK; - if (r < VT_CONST && (reg_classes[r] & rc)) { - save_found: - save_reg(r); - return r; - } - } - /* Should never comes here */ - return -1; -} - -/* save registers up to (vtop - n) stack entry */ -ST_FUNC void save_regs(int n) -{ - int r; - SValue *p, *p1; - p1 = vtop - n; - for(p = vstack;p <= p1; p++) { - r = p->r & VT_VALMASK; - if (r < VT_CONST) { - save_reg(r); - } - } -} - -/* move register 's' (of type 't') to 'r', and flush previous value of r to memory - if needed */ -static void move_reg(int r, int s, int t) -{ - SValue sv; - - if (r != s) { - save_reg(r); - sv.type.t = t; - sv.type.ref = NULL; - sv.r = s; - sv.c.ul = 0; - load(r, &sv); - } -} - -/* get address of vtop (vtop MUST BE an lvalue) */ -ST_FUNC void gaddrof(void) -{ - if (vtop->r & VT_REF && !nocode_wanted) - gv(RC_INT); - vtop->r &= ~VT_LVAL; - /* tricky: if saved lvalue, then we can go back to lvalue */ - if ((vtop->r & VT_VALMASK) == VT_LLOCAL) - vtop->r = (vtop->r & ~(VT_VALMASK | VT_LVAL_TYPE)) | VT_LOCAL | VT_LVAL; - - -} - -#ifdef CONFIG_TCC_BCHECK -/* generate lvalue bound code */ -static void gbound(void) -{ - int lval_type; - CType type1; - - vtop->r &= ~VT_MUSTBOUND; - /* if lvalue, then use checking code before dereferencing */ - if (vtop->r & VT_LVAL) { - /* if not VT_BOUNDED value, then make one */ - if (!(vtop->r & VT_BOUNDED)) { - lval_type = vtop->r & (VT_LVAL_TYPE | VT_LVAL); - /* must save type because we must set it to int to get pointer */ - type1 = vtop->type; - vtop->type.t = VT_PTR; - gaddrof(); - vpushi(0); - gen_bounded_ptr_add(); - vtop->r |= lval_type; - vtop->type = type1; - } - /* then check for dereferencing */ - gen_bounded_ptr_deref(); - } -} -#endif - -/* store vtop a register belonging to class 'rc'. lvalues are - converted to values. Cannot be used if cannot be converted to - register value (such as structures). */ -ST_FUNC int gv(int rc) -{ - int r, bit_pos, bit_size, size, align, i; - int rc2; - - /* NOTE: get_reg can modify vstack[] */ - if (vtop->type.t & VT_BITFIELD) { - CType type; - int bits = 32; - bit_pos = (vtop->type.t >> VT_STRUCT_SHIFT) & 0x3f; - bit_size = (vtop->type.t >> (VT_STRUCT_SHIFT + 6)) & 0x3f; - /* remove bit field info to avoid loops */ - vtop->type.t &= ~(VT_BITFIELD | (-1 << VT_STRUCT_SHIFT)); - /* cast to int to propagate signedness in following ops */ - if ((vtop->type.t & VT_BTYPE) == VT_LLONG) { - type.t = VT_LLONG; - bits = 64; - } else - type.t = VT_INT; - if((vtop->type.t & VT_UNSIGNED) || - (vtop->type.t & VT_BTYPE) == VT_BOOL) - type.t |= VT_UNSIGNED; - gen_cast(&type); - /* generate shifts */ - vpushi(bits - (bit_pos + bit_size)); - gen_op(TOK_SHL); - vpushi(bits - bit_size); - /* NOTE: transformed to SHR if unsigned */ - gen_op(TOK_SAR); - r = gv(rc); - } else { - if (is_float(vtop->type.t) && - (vtop->r & (VT_VALMASK | VT_LVAL)) == VT_CONST) { - Sym *sym; - int *ptr; - unsigned long offset; -#if defined(TCC_TARGET_ARM) && !defined(TCC_ARM_VFP) - CValue check; -#endif - - /* XXX: unify with initializers handling ? */ - /* CPUs usually cannot use float constants, so we store them - generically in data segment */ - size = type_size(&vtop->type, &align); - offset = (data_section->data_offset + align - 1) & -align; - data_section->data_offset = offset; - /* XXX: not portable yet */ -#if defined(__i386__) || defined(__x86_64__) - /* Zero pad x87 tenbyte long doubles */ - if (size == LDOUBLE_SIZE) { - vtop->c.tab[2] &= 0xffff; -#if LDOUBLE_SIZE == 16 - vtop->c.tab[3] = 0; -#endif - } -#endif - ptr = section_ptr_add(data_section, size); - size = size >> 2; -#if defined(TCC_TARGET_ARM) && !defined(TCC_ARM_VFP) - check.d = 1; - if(check.tab[0]) - for(i=0;ic.tab[size-1-i]; - else -#endif - for(i=0;ic.tab[i]; - sym = get_sym_ref(&vtop->type, data_section, offset, size << 2); - vtop->r |= VT_LVAL | VT_SYM; - vtop->sym = sym; - vtop->c.ptr_offset = 0; - } -#ifdef CONFIG_TCC_BCHECK - if (vtop->r & VT_MUSTBOUND) - gbound(); -#endif - - r = vtop->r & VT_VALMASK; - rc2 = (rc & RC_FLOAT) ? RC_FLOAT : RC_INT; -#ifndef TCC_TARGET_ARM64 - if (rc == RC_IRET) - rc2 = RC_LRET; -#ifdef TCC_TARGET_X86_64 - else if (rc == RC_FRET) - rc2 = RC_QRET; -#endif -#endif - - /* need to reload if: - - constant - - lvalue (need to dereference pointer) - - already a register, but not in the right class */ - if (r >= VT_CONST - || (vtop->r & VT_LVAL) - || !(reg_classes[r] & rc) -#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) - || ((vtop->type.t & VT_BTYPE) == VT_QLONG && !(reg_classes[vtop->r2] & rc2)) - || ((vtop->type.t & VT_BTYPE) == VT_QFLOAT && !(reg_classes[vtop->r2] & rc2)) -#else - || ((vtop->type.t & VT_BTYPE) == VT_LLONG && !(reg_classes[vtop->r2] & rc2)) -#endif - ) - { - r = get_reg(rc); -#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) - if (((vtop->type.t & VT_BTYPE) == VT_QLONG) || ((vtop->type.t & VT_BTYPE) == VT_QFLOAT)) { - int addr_type = VT_LLONG, load_size = 8, load_type = ((vtop->type.t & VT_BTYPE) == VT_QLONG) ? VT_LLONG : VT_DOUBLE; -#else - if ((vtop->type.t & VT_BTYPE) == VT_LLONG) { - int addr_type = VT_INT, load_size = 4, load_type = VT_INT; - unsigned long long ll; -#endif - int r2, original_type; - original_type = vtop->type.t; - /* two register type load : expand to two words - temporarily */ -#if !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_X86_64) - if ((vtop->r & (VT_VALMASK | VT_LVAL)) == VT_CONST) { - /* load constant */ - ll = vtop->c.ull; - vtop->c.ui = ll; /* first word */ - load(r, vtop); - vtop->r = r; /* save register value */ - vpushi(ll >> 32); /* second word */ - } else -#endif - if (r >= VT_CONST || /* XXX: test to VT_CONST incorrect ? */ - (vtop->r & VT_LVAL)) { - /* We do not want to modifier the long long - pointer here, so the safest (and less - efficient) is to save all the other registers - in the stack. XXX: totally inefficient. */ - save_regs(1); - /* load from memory */ - vtop->type.t = load_type; - load(r, vtop); - vdup(); - vtop[-1].r = r; /* save register value */ - /* increment pointer to get second word */ - vtop->type.t = addr_type; - gaddrof(); - vpushi(load_size); - gen_op('+'); - vtop->r |= VT_LVAL; - vtop->type.t = load_type; - } else { - /* move registers */ - load(r, vtop); - vdup(); - vtop[-1].r = r; /* save register value */ - vtop->r = vtop[-1].r2; - } - /* Allocate second register. Here we rely on the fact that - get_reg() tries first to free r2 of an SValue. */ - r2 = get_reg(rc2); - load(r2, vtop); - vpop(); - /* write second register */ - vtop->r2 = r2; - vtop->type.t = original_type; - } else if ((vtop->r & VT_LVAL) && !is_float(vtop->type.t)) { - int t1, t; - /* lvalue of scalar type : need to use lvalue type - because of possible cast */ - t = vtop->type.t; - t1 = t; - /* compute memory access type */ - if (vtop->r & VT_REF) -#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) - t = VT_PTR; -#else - t = VT_INT; -#endif - else if (vtop->r & VT_LVAL_BYTE) - t = VT_BYTE; - else if (vtop->r & VT_LVAL_SHORT) - t = VT_SHORT; - if (vtop->r & VT_LVAL_UNSIGNED) - t |= VT_UNSIGNED; - vtop->type.t = t; - load(r, vtop); - /* restore wanted type */ - vtop->type.t = t1; - } else { - /* one register type load */ - load(r, vtop); - } - } - vtop->r = r; -#ifdef TCC_TARGET_C67 - /* uses register pairs for doubles */ - if ((vtop->type.t & VT_BTYPE) == VT_DOUBLE) - vtop->r2 = r+1; -#endif - } - return r; -} - -/* generate vtop[-1] and vtop[0] in resp. classes rc1 and rc2 */ -ST_FUNC void gv2(int rc1, int rc2) -{ - int v; - - /* generate more generic register first. But VT_JMP or VT_CMP - values must be generated first in all cases to avoid possible - reload errors */ - v = vtop[0].r & VT_VALMASK; - if (v != VT_CMP && (v & ~1) != VT_JMP && rc1 <= rc2) { - vswap(); - gv(rc1); - vswap(); - gv(rc2); - /* test if reload is needed for first register */ - if ((vtop[-1].r & VT_VALMASK) >= VT_CONST) { - vswap(); - gv(rc1); - vswap(); - } - } else { - gv(rc2); - vswap(); - gv(rc1); - vswap(); - /* test if reload is needed for first register */ - if ((vtop[0].r & VT_VALMASK) >= VT_CONST) { - gv(rc2); - } - } -} - -#ifndef TCC_TARGET_ARM64 -/* wrapper around RC_FRET to return a register by type */ -static int rc_fret(int t) -{ -#ifdef TCC_TARGET_X86_64 - if (t == VT_LDOUBLE) { - return RC_ST0; - } -#endif - return RC_FRET; -} -#endif - -/* wrapper around REG_FRET to return a register by type */ -static int reg_fret(int t) -{ -#ifdef TCC_TARGET_X86_64 - if (t == VT_LDOUBLE) { - return TREG_ST0; - } -#endif - return REG_FRET; -} - -/* expand long long on stack in two int registers */ -static void lexpand(void) -{ - int u; - - u = vtop->type.t & (VT_DEFSIGN | VT_UNSIGNED); - gv(RC_INT); - vdup(); - vtop[0].r = vtop[-1].r2; - vtop[0].r2 = VT_CONST; - vtop[-1].r2 = VT_CONST; - vtop[0].type.t = VT_INT | u; - vtop[-1].type.t = VT_INT | u; -} - -#ifdef TCC_TARGET_ARM -/* expand long long on stack */ -ST_FUNC void lexpand_nr(void) -{ - int u,v; - - u = vtop->type.t & (VT_DEFSIGN | VT_UNSIGNED); - vdup(); - vtop->r2 = VT_CONST; - vtop->type.t = VT_INT | u; - v=vtop[-1].r & (VT_VALMASK | VT_LVAL); - if (v == VT_CONST) { - vtop[-1].c.ui = vtop->c.ull; - vtop->c.ui = vtop->c.ull >> 32; - vtop->r = VT_CONST; - } else if (v == (VT_LVAL|VT_CONST) || v == (VT_LVAL|VT_LOCAL)) { - vtop->c.ui += 4; - vtop->r = vtop[-1].r; - } else if (v > VT_CONST) { - vtop--; - lexpand(); - } else - vtop->r = vtop[-1].r2; - vtop[-1].r2 = VT_CONST; - vtop[-1].type.t = VT_INT | u; -} -#endif - -/* build a long long from two ints */ -static void lbuild(int t) -{ - gv2(RC_INT, RC_INT); - vtop[-1].r2 = vtop[0].r; - vtop[-1].type.t = t; - vpop(); -} - -/* rotate n first stack elements to the bottom - I1 ... In -> I2 ... In I1 [top is right] -*/ -ST_FUNC void vrotb(int n) -{ - int i; - SValue tmp; - - tmp = vtop[-n + 1]; - for(i=-n+1;i!=0;i++) - vtop[i] = vtop[i+1]; - vtop[0] = tmp; -} - -/* rotate the n elements before entry e towards the top - I1 ... In ... -> In I1 ... I(n-1) ... [top is right] - */ -ST_FUNC void vrote(SValue *e, int n) -{ - int i; - SValue tmp; - - tmp = *e; - for(i = 0;i < n - 1; i++) - e[-i] = e[-i - 1]; - e[-n + 1] = tmp; -} - -/* rotate n first stack elements to the top - I1 ... In -> In I1 ... I(n-1) [top is right] - */ -ST_FUNC void vrott(int n) -{ - vrote(vtop, n); -} - -/* pop stack value */ -ST_FUNC void vpop(void) -{ - int v; - v = vtop->r & VT_VALMASK; -#if defined(TCC_TARGET_I386) || defined(TCC_TARGET_X86_64) - /* for x86, we need to pop the FP stack */ - if (v == TREG_ST0 && !nocode_wanted) { - o(0xd8dd); /* fstp %st(0) */ - } else -#endif - if (v == VT_JMP || v == VT_JMPI) { - /* need to put correct jump if && or || without test */ - gsym(vtop->c.ul); - } - vtop--; -} - -/* convert stack entry to register and duplicate its value in another - register */ -static void gv_dup(void) -{ - int rc, t, r, r1; - SValue sv; - - t = vtop->type.t; - if ((t & VT_BTYPE) == VT_LLONG) { - lexpand(); - gv_dup(); - vswap(); - vrotb(3); - gv_dup(); - vrotb(4); - /* stack: H L L1 H1 */ - lbuild(t); - vrotb(3); - vrotb(3); - vswap(); - lbuild(t); - vswap(); - } else { - /* duplicate value */ - rc = RC_INT; - sv.type.t = VT_INT; - if (is_float(t)) { - rc = RC_FLOAT; -#ifdef TCC_TARGET_X86_64 - if ((t & VT_BTYPE) == VT_LDOUBLE) { - rc = RC_ST0; - } -#endif - sv.type.t = t; - } - r = gv(rc); - r1 = get_reg(rc); - sv.r = r; - sv.c.ul = 0; - load(r1, &sv); /* move r to r1 */ - vdup(); - /* duplicates value */ - if (r != r1) - vtop->r = r1; - } -} - -/* Generate value test - * - * Generate a test for any value (jump, comparison and integers) */ -ST_FUNC int gvtst(int inv, int t) -{ - int v = vtop->r & VT_VALMASK; - if (v != VT_CMP && v != VT_JMP && v != VT_JMPI) { - vpushi(0); - gen_op(TOK_NE); - } - if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) { - /* constant jmp optimization */ - if ((vtop->c.i != 0) != inv) - t = gjmp(t); - vtop--; - return t; - } - return gtst(inv, t); -} - -#if !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_X86_64) -/* generate CPU independent (unsigned) long long operations */ -static void gen_opl(int op) -{ - int t, a, b, op1, c, i; - int func; - unsigned short reg_iret = REG_IRET; - unsigned short reg_lret = REG_LRET; - SValue tmp; - - switch(op) { - case '/': - case TOK_PDIV: - func = TOK___divdi3; - goto gen_func; - case TOK_UDIV: - func = TOK___udivdi3; - goto gen_func; - case '%': - func = TOK___moddi3; - goto gen_mod_func; - case TOK_UMOD: - func = TOK___umoddi3; - gen_mod_func: -#ifdef TCC_ARM_EABI - reg_iret = TREG_R2; - reg_lret = TREG_R3; -#endif - gen_func: - /* call generic long long function */ - vpush_global_sym(&func_old_type, func); - vrott(3); - gfunc_call(2); - vpushi(0); - vtop->r = reg_iret; - vtop->r2 = reg_lret; - break; - case '^': - case '&': - case '|': - case '*': - case '+': - case '-': - t = vtop->type.t; - vswap(); - lexpand(); - vrotb(3); - lexpand(); - /* stack: L1 H1 L2 H2 */ - tmp = vtop[0]; - vtop[0] = vtop[-3]; - vtop[-3] = tmp; - tmp = vtop[-2]; - vtop[-2] = vtop[-3]; - vtop[-3] = tmp; - vswap(); - /* stack: H1 H2 L1 L2 */ - if (op == '*') { - vpushv(vtop - 1); - vpushv(vtop - 1); - gen_op(TOK_UMULL); - lexpand(); - /* stack: H1 H2 L1 L2 ML MH */ - for(i=0;i<4;i++) - vrotb(6); - /* stack: ML MH H1 H2 L1 L2 */ - tmp = vtop[0]; - vtop[0] = vtop[-2]; - vtop[-2] = tmp; - /* stack: ML MH H1 L2 H2 L1 */ - gen_op('*'); - vrotb(3); - vrotb(3); - gen_op('*'); - /* stack: ML MH M1 M2 */ - gen_op('+'); - gen_op('+'); - } else if (op == '+' || op == '-') { - /* XXX: add non carry method too (for MIPS or alpha) */ - if (op == '+') - op1 = TOK_ADDC1; - else - op1 = TOK_SUBC1; - gen_op(op1); - /* stack: H1 H2 (L1 op L2) */ - vrotb(3); - vrotb(3); - gen_op(op1 + 1); /* TOK_xxxC2 */ - } else { - gen_op(op); - /* stack: H1 H2 (L1 op L2) */ - vrotb(3); - vrotb(3); - /* stack: (L1 op L2) H1 H2 */ - gen_op(op); - /* stack: (L1 op L2) (H1 op H2) */ - } - /* stack: L H */ - lbuild(t); - break; - case TOK_SAR: - case TOK_SHR: - case TOK_SHL: - if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) { - t = vtop[-1].type.t; - vswap(); - lexpand(); - vrotb(3); - /* stack: L H shift */ - c = (int)vtop->c.i; - /* constant: simpler */ - /* NOTE: all comments are for SHL. the other cases are - done by swaping words */ - vpop(); - if (op != TOK_SHL) - vswap(); - if (c >= 32) { - /* stack: L H */ - vpop(); - if (c > 32) { - vpushi(c - 32); - gen_op(op); - } - if (op != TOK_SAR) { - vpushi(0); - } else { - gv_dup(); - vpushi(31); - gen_op(TOK_SAR); - } - vswap(); - } else { - vswap(); - gv_dup(); - /* stack: H L L */ - vpushi(c); - gen_op(op); - vswap(); - vpushi(32 - c); - if (op == TOK_SHL) - gen_op(TOK_SHR); - else - gen_op(TOK_SHL); - vrotb(3); - /* stack: L L H */ - vpushi(c); - if (op == TOK_SHL) - gen_op(TOK_SHL); - else - gen_op(TOK_SHR); - gen_op('|'); - } - if (op != TOK_SHL) - vswap(); - lbuild(t); - } else { - /* XXX: should provide a faster fallback on x86 ? */ - switch(op) { - case TOK_SAR: - func = TOK___ashrdi3; - goto gen_func; - case TOK_SHR: - func = TOK___lshrdi3; - goto gen_func; - case TOK_SHL: - func = TOK___ashldi3; - goto gen_func; - } - } - break; - default: - /* compare operations */ - t = vtop->type.t; - vswap(); - lexpand(); - vrotb(3); - lexpand(); - /* stack: L1 H1 L2 H2 */ - tmp = vtop[-1]; - vtop[-1] = vtop[-2]; - vtop[-2] = tmp; - /* stack: L1 L2 H1 H2 */ - /* compare high */ - op1 = op; - /* when values are equal, we need to compare low words. since - the jump is inverted, we invert the test too. */ - if (op1 == TOK_LT) - op1 = TOK_LE; - else if (op1 == TOK_GT) - op1 = TOK_GE; - else if (op1 == TOK_ULT) - op1 = TOK_ULE; - else if (op1 == TOK_UGT) - op1 = TOK_UGE; - a = 0; - b = 0; - gen_op(op1); - if (op1 != TOK_NE) { - a = gvtst(1, 0); - } - if (op != TOK_EQ) { - /* generate non equal test */ - /* XXX: NOT PORTABLE yet */ - if (a == 0) { - b = gvtst(0, 0); - } else { -#if defined(TCC_TARGET_I386) - b = psym(0x850f, 0); -#elif defined(TCC_TARGET_ARM) - b = ind; - o(0x1A000000 | encbranch(ind, 0, 1)); -#elif defined(TCC_TARGET_C67) || defined(TCC_TARGET_ARM64) - tcc_error("not implemented"); -#else -#error not supported -#endif - } - } - /* compare low. Always unsigned */ - op1 = op; - if (op1 == TOK_LT) - op1 = TOK_ULT; - else if (op1 == TOK_LE) - op1 = TOK_ULE; - else if (op1 == TOK_GT) - op1 = TOK_UGT; - else if (op1 == TOK_GE) - op1 = TOK_UGE; - gen_op(op1); - a = gvtst(1, a); - gsym(b); - vseti(VT_JMPI, a); - break; - } -} -#endif - -/* handle integer constant optimizations and various machine - independent opt */ -static void gen_opic(int op) -{ - int c1, c2, t1, t2, n; - SValue *v1, *v2; - long long l1, l2; - typedef unsigned long long U; - - v1 = vtop - 1; - v2 = vtop; - t1 = v1->type.t & VT_BTYPE; - t2 = v2->type.t & VT_BTYPE; - - if (t1 == VT_LLONG) - l1 = v1->c.ll; - else if (v1->type.t & VT_UNSIGNED) - l1 = v1->c.ui; - else - l1 = v1->c.i; - - if (t2 == VT_LLONG) - l2 = v2->c.ll; - else if (v2->type.t & VT_UNSIGNED) - l2 = v2->c.ui; - else - l2 = v2->c.i; - - /* currently, we cannot do computations with forward symbols */ - c1 = (v1->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; - c2 = (v2->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; - if (c1 && c2) { - switch(op) { - case '+': l1 += l2; break; - case '-': l1 -= l2; break; - case '&': l1 &= l2; break; - case '^': l1 ^= l2; break; - case '|': l1 |= l2; break; - case '*': l1 *= l2; break; - - case TOK_PDIV: - case '/': - case '%': - case TOK_UDIV: - case TOK_UMOD: - /* if division by zero, generate explicit division */ - if (l2 == 0) { - if (const_wanted) - tcc_error("division by zero in constant"); - goto general_case; - } - switch(op) { - default: l1 /= l2; break; - case '%': l1 %= l2; break; - case TOK_UDIV: l1 = (U)l1 / l2; break; - case TOK_UMOD: l1 = (U)l1 % l2; break; - } - break; - case TOK_SHL: l1 <<= l2; break; - case TOK_SHR: l1 = (U)l1 >> l2; break; - case TOK_SAR: l1 >>= l2; break; - /* tests */ - case TOK_ULT: l1 = (U)l1 < (U)l2; break; - case TOK_UGE: l1 = (U)l1 >= (U)l2; break; - case TOK_EQ: l1 = l1 == l2; break; - case TOK_NE: l1 = l1 != l2; break; - case TOK_ULE: l1 = (U)l1 <= (U)l2; break; - case TOK_UGT: l1 = (U)l1 > (U)l2; break; - case TOK_LT: l1 = l1 < l2; break; - case TOK_GE: l1 = l1 >= l2; break; - case TOK_LE: l1 = l1 <= l2; break; - case TOK_GT: l1 = l1 > l2; break; - /* logical */ - case TOK_LAND: l1 = l1 && l2; break; - case TOK_LOR: l1 = l1 || l2; break; - default: - goto general_case; - } - v1->c.ll = l1; - vtop--; - } else { - /* if commutative ops, put c2 as constant */ - if (c1 && (op == '+' || op == '&' || op == '^' || - op == '|' || op == '*')) { - vswap(); - c2 = c1; //c = c1, c1 = c2, c2 = c; - l2 = l1; //l = l1, l1 = l2, l2 = l; - } - if (!const_wanted && - c1 && ((l1 == 0 && - (op == TOK_SHL || op == TOK_SHR || op == TOK_SAR)) || - (l1 == -1 && op == TOK_SAR))) { - /* treat (0 << x), (0 >> x) and (-1 >> x) as constant */ - vtop--; - } else if (!const_wanted && - c2 && ((l2 == 0 && (op == '&' || op == '*')) || - (l2 == -1 && op == '|') || - (l2 == 0xffffffff && t2 != VT_LLONG && op == '|') || - (l2 == 1 && (op == '%' || op == TOK_UMOD)))) { - /* treat (x & 0), (x * 0), (x | -1) and (x % 1) as constant */ - if (l2 == 1) - vtop->c.ll = 0; - vswap(); - vtop--; - } else if (c2 && (((op == '*' || op == '/' || op == TOK_UDIV || - op == TOK_PDIV) && - l2 == 1) || - ((op == '+' || op == '-' || op == '|' || op == '^' || - op == TOK_SHL || op == TOK_SHR || op == TOK_SAR) && - l2 == 0) || - (op == '&' && - l2 == -1))) { - /* filter out NOP operations like x*1, x-0, x&-1... */ - vtop--; - } else if (c2 && (op == '*' || op == TOK_PDIV || op == TOK_UDIV)) { - /* try to use shifts instead of muls or divs */ - if (l2 > 0 && (l2 & (l2 - 1)) == 0) { - n = -1; - while (l2) { - l2 >>= 1; - n++; - } - vtop->c.ll = n; - if (op == '*') - op = TOK_SHL; - else if (op == TOK_PDIV) - op = TOK_SAR; - else - op = TOK_SHR; - } - goto general_case; - } else if (c2 && (op == '+' || op == '-') && - (((vtop[-1].r & (VT_VALMASK | VT_LVAL | VT_SYM)) == (VT_CONST | VT_SYM)) - || (vtop[-1].r & (VT_VALMASK | VT_LVAL)) == VT_LOCAL)) { - /* symbol + constant case */ - if (op == '-') - l2 = -l2; - vtop--; - vtop->c.ll += l2; - } else { - general_case: - if (!nocode_wanted) { - /* call low level op generator */ - if (t1 == VT_LLONG || t2 == VT_LLONG || - (PTR_SIZE == 8 && (t1 == VT_PTR || t2 == VT_PTR))) - gen_opl(op); - else - gen_opi(op); - } else { - vtop--; - } - } - } -} - -/* generate a floating point operation with constant propagation */ -static void gen_opif(int op) -{ - int c1, c2; - SValue *v1, *v2; - long double f1, f2; - - v1 = vtop - 1; - v2 = vtop; - /* currently, we cannot do computations with forward symbols */ - c1 = (v1->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; - c2 = (v2->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; - if (c1 && c2) { - if (v1->type.t == VT_FLOAT) { - f1 = v1->c.f; - f2 = v2->c.f; - } else if (v1->type.t == VT_DOUBLE) { - f1 = v1->c.d; - f2 = v2->c.d; - } else { - f1 = v1->c.ld; - f2 = v2->c.ld; - } - - /* NOTE: we only do constant propagation if finite number (not - NaN or infinity) (ANSI spec) */ - if (!ieee_finite(f1) || !ieee_finite(f2)) - goto general_case; - - switch(op) { - case '+': f1 += f2; break; - case '-': f1 -= f2; break; - case '*': f1 *= f2; break; - case '/': - if (f2 == 0.0) { - if (const_wanted) - tcc_error("division by zero in constant"); - goto general_case; - } - f1 /= f2; - break; - /* XXX: also handles tests ? */ - default: - goto general_case; - } - /* XXX: overflow test ? */ - if (v1->type.t == VT_FLOAT) { - v1->c.f = f1; - } else if (v1->type.t == VT_DOUBLE) { - v1->c.d = f1; - } else { - v1->c.ld = f1; - } - vtop--; - } else { - general_case: - if (!nocode_wanted) { - gen_opf(op); - } else { - vtop--; - } - } -} - -static int pointed_size(CType *type) -{ - int align; - return type_size(pointed_type(type), &align); -} - -static void vla_runtime_pointed_size(CType *type) -{ - int align; - vla_runtime_type_size(pointed_type(type), &align); -} - -static inline int is_null_pointer(SValue *p) -{ - if ((p->r & (VT_VALMASK | VT_LVAL | VT_SYM)) != VT_CONST) - return 0; - return ((p->type.t & VT_BTYPE) == VT_INT && p->c.i == 0) || - ((p->type.t & VT_BTYPE) == VT_LLONG && p->c.ll == 0) || - ((p->type.t & VT_BTYPE) == VT_PTR && p->c.ptr_offset == 0); -} - -static inline int is_integer_btype(int bt) -{ - return (bt == VT_BYTE || bt == VT_SHORT || - bt == VT_INT || bt == VT_LLONG); -} - -/* check types for comparison or subtraction of pointers */ -static void check_comparison_pointer_types(SValue *p1, SValue *p2, int op) -{ - CType *type1, *type2, tmp_type1, tmp_type2; - int bt1, bt2; - - /* null pointers are accepted for all comparisons as gcc */ - if (is_null_pointer(p1) || is_null_pointer(p2)) - return; - type1 = &p1->type; - type2 = &p2->type; - bt1 = type1->t & VT_BTYPE; - bt2 = type2->t & VT_BTYPE; - /* accept comparison between pointer and integer with a warning */ - if ((is_integer_btype(bt1) || is_integer_btype(bt2)) && op != '-') { - if (op != TOK_LOR && op != TOK_LAND ) - tcc_warning("comparison between pointer and integer"); - return; - } - - /* both must be pointers or implicit function pointers */ - if (bt1 == VT_PTR) { - type1 = pointed_type(type1); - } else if (bt1 != VT_FUNC) - goto invalid_operands; - - if (bt2 == VT_PTR) { - type2 = pointed_type(type2); - } else if (bt2 != VT_FUNC) { - invalid_operands: - tcc_error("invalid operands to binary %s", get_tok_str(op, NULL)); - } - if ((type1->t & VT_BTYPE) == VT_VOID || - (type2->t & VT_BTYPE) == VT_VOID) - return; - tmp_type1 = *type1; - tmp_type2 = *type2; - tmp_type1.t &= ~(VT_DEFSIGN | VT_UNSIGNED | VT_CONSTANT | VT_VOLATILE); - tmp_type2.t &= ~(VT_DEFSIGN | VT_UNSIGNED | VT_CONSTANT | VT_VOLATILE); - if (!is_compatible_types(&tmp_type1, &tmp_type2)) { - /* gcc-like error if '-' is used */ - if (op == '-') - goto invalid_operands; - else - tcc_warning("comparison of distinct pointer types lacks a cast"); - } -} - -/* generic gen_op: handles types problems */ -ST_FUNC void gen_op(int op) -{ - int u, t1, t2, bt1, bt2, t; - CType type1; - - t1 = vtop[-1].type.t; - t2 = vtop[0].type.t; - bt1 = t1 & VT_BTYPE; - bt2 = t2 & VT_BTYPE; - - if (bt1 == VT_PTR || bt2 == VT_PTR) { - /* at least one operand is a pointer */ - /* relationnal op: must be both pointers */ - if (op >= TOK_ULT && op <= TOK_LOR) { - check_comparison_pointer_types(vtop - 1, vtop, op); - /* pointers are handled are unsigned */ -#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) - t = VT_LLONG | VT_UNSIGNED; -#else - t = VT_INT | VT_UNSIGNED; -#endif - goto std_op; - } - /* if both pointers, then it must be the '-' op */ - if (bt1 == VT_PTR && bt2 == VT_PTR) { - if (op != '-') - tcc_error("cannot use pointers here"); - check_comparison_pointer_types(vtop - 1, vtop, op); - /* XXX: check that types are compatible */ - if (vtop[-1].type.t & VT_VLA) { - vla_runtime_pointed_size(&vtop[-1].type); - } else { - vpushi(pointed_size(&vtop[-1].type)); - } - vrott(3); - gen_opic(op); - /* set to integer type */ -#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) - vtop->type.t = VT_LLONG; -#else - vtop->type.t = VT_INT; -#endif - vswap(); - gen_op(TOK_PDIV); - } else { - /* exactly one pointer : must be '+' or '-'. */ - if (op != '-' && op != '+') - tcc_error("cannot use pointers here"); - /* Put pointer as first operand */ - if (bt2 == VT_PTR) { - vswap(); - swap(&t1, &t2); - } - type1 = vtop[-1].type; - type1.t &= ~VT_ARRAY; - if (vtop[-1].type.t & VT_VLA) - vla_runtime_pointed_size(&vtop[-1].type); - else { - u = pointed_size(&vtop[-1].type); - if (u < 0) - tcc_error("unknown array element size"); -#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) - vpushll(u); -#else - /* XXX: cast to int ? (long long case) */ - vpushi(u); -#endif - } - gen_op('*'); -#if 0 -/* #ifdef CONFIG_TCC_BCHECK - The main reason to removing this code: - #include - int main () - { - int v[10]; - int i = 10; - int j = 9; - fprintf(stderr, "v+i-j = %p\n", v+i-j); - fprintf(stderr, "v+(i-j) = %p\n", v+(i-j)); - } - When this code is on. then the output looks like - v+i-j = 0xfffffffe - v+(i-j) = 0xbff84000 - */ - /* if evaluating constant expression, no code should be - generated, so no bound check */ - if (tcc_state->do_bounds_check && !const_wanted) { - /* if bounded pointers, we generate a special code to - test bounds */ - if (op == '-') { - vpushi(0); - vswap(); - gen_op('-'); - } - gen_bounded_ptr_add(); - } else -#endif - { - gen_opic(op); - } - /* put again type if gen_opic() swaped operands */ - vtop->type = type1; - } - } else if (is_float(bt1) || is_float(bt2)) { - /* compute bigger type and do implicit casts */ - if (bt1 == VT_LDOUBLE || bt2 == VT_LDOUBLE) { - t = VT_LDOUBLE; - } else if (bt1 == VT_DOUBLE || bt2 == VT_DOUBLE) { - t = VT_DOUBLE; - } else { - t = VT_FLOAT; - } - /* floats can only be used for a few operations */ - if (op != '+' && op != '-' && op != '*' && op != '/' && - (op < TOK_ULT || op > TOK_GT)) - tcc_error("invalid operands for binary operation"); - goto std_op; - } else if (op == TOK_SHR || op == TOK_SAR || op == TOK_SHL) { - t = bt1 == VT_LLONG ? VT_LLONG : VT_INT; - if ((t1 & (VT_BTYPE | VT_UNSIGNED)) == (t | VT_UNSIGNED)) - t |= VT_UNSIGNED; - goto std_op; - } else if (bt1 == VT_LLONG || bt2 == VT_LLONG) { - /* cast to biggest op */ - t = VT_LLONG; - /* convert to unsigned if it does not fit in a long long */ - if ((t1 & (VT_BTYPE | VT_UNSIGNED)) == (VT_LLONG | VT_UNSIGNED) || - (t2 & (VT_BTYPE | VT_UNSIGNED)) == (VT_LLONG | VT_UNSIGNED)) - t |= VT_UNSIGNED; - goto std_op; - } else if (bt1 == VT_STRUCT || bt2 == VT_STRUCT) { - tcc_error("comparison of struct"); - } else { - /* integer operations */ - t = VT_INT; - /* convert to unsigned if it does not fit in an integer */ - if ((t1 & (VT_BTYPE | VT_UNSIGNED)) == (VT_INT | VT_UNSIGNED) || - (t2 & (VT_BTYPE | VT_UNSIGNED)) == (VT_INT | VT_UNSIGNED)) - t |= VT_UNSIGNED; - std_op: - /* XXX: currently, some unsigned operations are explicit, so - we modify them here */ - if (t & VT_UNSIGNED) { - if (op == TOK_SAR) - op = TOK_SHR; - else if (op == '/') - op = TOK_UDIV; - else if (op == '%') - op = TOK_UMOD; - else if (op == TOK_LT) - op = TOK_ULT; - else if (op == TOK_GT) - op = TOK_UGT; - else if (op == TOK_LE) - op = TOK_ULE; - else if (op == TOK_GE) - op = TOK_UGE; - } - vswap(); - type1.t = t; - gen_cast(&type1); - vswap(); - /* special case for shifts and long long: we keep the shift as - an integer */ - if (op == TOK_SHR || op == TOK_SAR || op == TOK_SHL) - type1.t = VT_INT; - gen_cast(&type1); - if (is_float(t)) - gen_opif(op); - else - gen_opic(op); - if (op >= TOK_ULT && op <= TOK_GT) { - /* relationnal op: the result is an int */ - vtop->type.t = VT_INT; - } else { - vtop->type.t = t; - } - } - // Make sure that we have converted to an rvalue: - if (vtop->r & VT_LVAL && !nocode_wanted) - gv(is_float(vtop->type.t & VT_BTYPE) ? RC_FLOAT : RC_INT); -} - -#ifndef TCC_TARGET_ARM -/* generic itof for unsigned long long case */ -static void gen_cvt_itof1(int t) -{ -#ifdef TCC_TARGET_ARM64 - gen_cvt_itof(t); -#else - if ((vtop->type.t & (VT_BTYPE | VT_UNSIGNED)) == - (VT_LLONG | VT_UNSIGNED)) { - - if (t == VT_FLOAT) - vpush_global_sym(&func_old_type, TOK___floatundisf); -#if LDOUBLE_SIZE != 8 - else if (t == VT_LDOUBLE) - vpush_global_sym(&func_old_type, TOK___floatundixf); -#endif - else - vpush_global_sym(&func_old_type, TOK___floatundidf); - vrott(2); - gfunc_call(1); - vpushi(0); - vtop->r = reg_fret(t); - } else { - gen_cvt_itof(t); - } -#endif -} -#endif - -/* generic ftoi for unsigned long long case */ -static void gen_cvt_ftoi1(int t) -{ -#ifdef TCC_TARGET_ARM64 - gen_cvt_ftoi(t); -#else - int st; - - if (t == (VT_LLONG | VT_UNSIGNED)) { - /* not handled natively */ - st = vtop->type.t & VT_BTYPE; - if (st == VT_FLOAT) - vpush_global_sym(&func_old_type, TOK___fixunssfdi); -#if LDOUBLE_SIZE != 8 - else if (st == VT_LDOUBLE) - vpush_global_sym(&func_old_type, TOK___fixunsxfdi); -#endif - else - vpush_global_sym(&func_old_type, TOK___fixunsdfdi); - vrott(2); - gfunc_call(1); - vpushi(0); - vtop->r = REG_IRET; - vtop->r2 = REG_LRET; - } else { - gen_cvt_ftoi(t); - } -#endif -} - -/* force char or short cast */ -static void force_charshort_cast(int t) -{ - int bits, dbt; - dbt = t & VT_BTYPE; - /* XXX: add optimization if lvalue : just change type and offset */ - if (dbt == VT_BYTE) - bits = 8; - else - bits = 16; - if (t & VT_UNSIGNED) { - vpushi((1 << bits) - 1); - gen_op('&'); - } else { - bits = 32 - bits; - vpushi(bits); - gen_op(TOK_SHL); - /* result must be signed or the SAR is converted to an SHL - This was not the case when "t" was a signed short - and the last value on the stack was an unsigned int */ - vtop->type.t &= ~VT_UNSIGNED; - vpushi(bits); - gen_op(TOK_SAR); - } -} - -/* cast 'vtop' to 'type'. Casting to bitfields is forbidden. */ -static void gen_cast(CType *type) -{ - int sbt, dbt, sf, df, c, p; - - /* special delayed cast for char/short */ - /* XXX: in some cases (multiple cascaded casts), it may still - be incorrect */ - if (vtop->r & VT_MUSTCAST) { - vtop->r &= ~VT_MUSTCAST; - force_charshort_cast(vtop->type.t); - } - - /* bitfields first get cast to ints */ - if (vtop->type.t & VT_BITFIELD && !nocode_wanted) { - gv(RC_INT); - } - - dbt = type->t & (VT_BTYPE | VT_UNSIGNED); - sbt = vtop->type.t & (VT_BTYPE | VT_UNSIGNED); - - if (sbt != dbt) { - sf = is_float(sbt); - df = is_float(dbt); - c = (vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; - p = (vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == (VT_CONST | VT_SYM); - if (c) { - /* constant case: we can do it now */ - /* XXX: in ISOC, cannot do it if error in convert */ - if (sbt == VT_FLOAT) - vtop->c.ld = vtop->c.f; - else if (sbt == VT_DOUBLE) - vtop->c.ld = vtop->c.d; - - if (df) { - if ((sbt & VT_BTYPE) == VT_LLONG) { - if (sbt & VT_UNSIGNED) - vtop->c.ld = vtop->c.ull; - else - vtop->c.ld = vtop->c.ll; - } else if(!sf) { - if (sbt & VT_UNSIGNED) - vtop->c.ld = vtop->c.ui; - else - vtop->c.ld = vtop->c.i; - } - - if (dbt == VT_FLOAT) - vtop->c.f = (float)vtop->c.ld; - else if (dbt == VT_DOUBLE) - vtop->c.d = (double)vtop->c.ld; - } else if (sf && dbt == (VT_LLONG|VT_UNSIGNED)) { - vtop->c.ull = (unsigned long long)vtop->c.ld; - } else if (sf && dbt == VT_BOOL) { - vtop->c.i = (vtop->c.ld != 0); - } else { - if(sf) - vtop->c.ll = (long long)vtop->c.ld; - else if (sbt == (VT_LLONG|VT_UNSIGNED)) - vtop->c.ll = vtop->c.ull; - else if (sbt & VT_UNSIGNED) - vtop->c.ll = vtop->c.ui; -#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) - else if (sbt == VT_PTR) - ; -#endif - else if (sbt != VT_LLONG) - vtop->c.ll = vtop->c.i; - - if (dbt == (VT_LLONG|VT_UNSIGNED)) - vtop->c.ull = vtop->c.ll; - else if (dbt == VT_BOOL) - vtop->c.i = (vtop->c.ll != 0); -#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) - else if (dbt == VT_PTR) - ; -#endif - else if (dbt != VT_LLONG) { - int s = 0; - if ((dbt & VT_BTYPE) == VT_BYTE) - s = 24; - else if ((dbt & VT_BTYPE) == VT_SHORT) - s = 16; - if(dbt & VT_UNSIGNED) - vtop->c.ui = ((unsigned int)vtop->c.ll << s) >> s; - else - vtop->c.i = ((int)vtop->c.ll << s) >> s; - } - } - } else if (p && dbt == VT_BOOL) { - vtop->r = VT_CONST; - vtop->c.i = 1; - } else if (!nocode_wanted) { - /* non constant case: generate code */ - if (sf && df) { - /* convert from fp to fp */ - gen_cvt_ftof(dbt); - } else if (df) { - /* convert int to fp */ - gen_cvt_itof1(dbt); - } else if (sf) { - /* convert fp to int */ - if (dbt == VT_BOOL) { - vpushi(0); - gen_op(TOK_NE); - } else { - /* we handle char/short/etc... with generic code */ - if (dbt != (VT_INT | VT_UNSIGNED) && - dbt != (VT_LLONG | VT_UNSIGNED) && - dbt != VT_LLONG) - dbt = VT_INT; - gen_cvt_ftoi1(dbt); - if (dbt == VT_INT && (type->t & (VT_BTYPE | VT_UNSIGNED)) != dbt) { - /* additional cast for char/short... */ - vtop->type.t = dbt; - gen_cast(type); - } - } -#if !defined(TCC_TARGET_ARM64) && !defined(TCC_TARGET_X86_64) - } else if ((dbt & VT_BTYPE) == VT_LLONG) { - if ((sbt & VT_BTYPE) != VT_LLONG && !nocode_wanted) { - /* scalar to long long */ - /* machine independent conversion */ - gv(RC_INT); - /* generate high word */ - if (sbt == (VT_INT | VT_UNSIGNED)) { - vpushi(0); - gv(RC_INT); - } else { - if (sbt == VT_PTR) { - /* cast from pointer to int before we apply - shift operation, which pointers don't support*/ - gen_cast(&int_type); - } - gv_dup(); - vpushi(31); - gen_op(TOK_SAR); - } - /* patch second register */ - vtop[-1].r2 = vtop->r; - vpop(); - } -#else - } else if ((dbt & VT_BTYPE) == VT_LLONG || - (dbt & VT_BTYPE) == VT_PTR || - (dbt & VT_BTYPE) == VT_FUNC) { - if ((sbt & VT_BTYPE) != VT_LLONG && - (sbt & VT_BTYPE) != VT_PTR && - (sbt & VT_BTYPE) != VT_FUNC && !nocode_wanted) { - /* need to convert from 32bit to 64bit */ - gv(RC_INT); - if (sbt != (VT_INT | VT_UNSIGNED)) { -#if defined(TCC_TARGET_ARM64) - gen_cvt_sxtw(); -#elif defined(TCC_TARGET_X86_64) - int r = gv(RC_INT); - /* x86_64 specific: movslq */ - o(0x6348); - o(0xc0 + (REG_VALUE(r) << 3) + REG_VALUE(r)); -#else -#error -#endif - } - } -#endif - } else if (dbt == VT_BOOL) { - /* scalar to bool */ - vpushi(0); - gen_op(TOK_NE); - } else if ((dbt & VT_BTYPE) == VT_BYTE || - (dbt & VT_BTYPE) == VT_SHORT) { - if (sbt == VT_PTR) { - vtop->type.t = VT_INT; - tcc_warning("nonportable conversion from pointer to char/short"); - } - force_charshort_cast(dbt); - } else if ((dbt & VT_BTYPE) == VT_INT) { - /* scalar to int */ - if (sbt == VT_LLONG && !nocode_wanted) { - /* from long long: just take low order word */ - lexpand(); - vpop(); - } - /* if lvalue and single word type, nothing to do because - the lvalue already contains the real type size (see - VT_LVAL_xxx constants) */ - } - } - } else if ((dbt & VT_BTYPE) == VT_PTR && !(vtop->r & VT_LVAL)) { - /* if we are casting between pointer types, - we must update the VT_LVAL_xxx size */ - vtop->r = (vtop->r & ~VT_LVAL_TYPE) - | (lvalue_type(type->ref->type.t) & VT_LVAL_TYPE); - } - vtop->type = *type; -} - -/* return type size as known at compile time. Put alignment at 'a' */ -ST_FUNC int type_size(CType *type, int *a) -{ - Sym *s; - int bt; - - bt = type->t & VT_BTYPE; - if (bt == VT_STRUCT) { - /* struct/union */ - s = type->ref; - *a = s->r; - return s->c; - } else if (bt == VT_PTR) { - if (type->t & VT_ARRAY) { - int ts; - - s = type->ref; - ts = type_size(&s->type, a); - - if (ts < 0 && s->c < 0) - ts = -ts; - - return ts * s->c; - } else { - *a = PTR_SIZE; - return PTR_SIZE; - } - } else if (bt == VT_LDOUBLE) { - *a = LDOUBLE_ALIGN; - return LDOUBLE_SIZE; - } else if (bt == VT_DOUBLE || bt == VT_LLONG) { -#ifdef TCC_TARGET_I386 -#ifdef TCC_TARGET_PE - *a = 8; -#else - *a = 4; -#endif -#elif defined(TCC_TARGET_ARM) -#ifdef TCC_ARM_EABI - *a = 8; -#else - *a = 4; -#endif -#else - *a = 8; -#endif - return 8; - } else if (bt == VT_INT || bt == VT_ENUM || bt == VT_FLOAT) { - *a = 4; - return 4; - } else if (bt == VT_SHORT) { - *a = 2; - return 2; - } else if (bt == VT_QLONG || bt == VT_QFLOAT) { - *a = 8; - return 16; - } else { - /* char, void, function, _Bool */ - *a = 1; - return 1; - } -} - -/* push type size as known at runtime time on top of value stack. Put - alignment at 'a' */ -ST_FUNC void vla_runtime_type_size(CType *type, int *a) -{ - if (type->t & VT_VLA) { - vset(&int_type, VT_LOCAL|VT_LVAL, type->ref->c); - } else { - vpushi(type_size(type, a)); - } -} - -static void vla_sp_restore(void) { - if (vlas_in_scope) { - gen_vla_sp_restore(vla_sp_loc); - } -} - -static void vla_sp_restore_root(void) { - if (vlas_in_scope) { - gen_vla_sp_restore(vla_sp_root_loc); - } -} - -/* return the pointed type of t */ -static inline CType *pointed_type(CType *type) -{ - return &type->ref->type; -} - -/* modify type so that its it is a pointer to type. */ -ST_FUNC void mk_pointer(CType *type) -{ - Sym *s; - s = sym_push(SYM_FIELD, type, 0, -1); - type->t = VT_PTR | (type->t & ~VT_TYPE); - type->ref = s; -} - -/* compare function types. OLD functions match any new functions */ -static int is_compatible_func(CType *type1, CType *type2) -{ - Sym *s1, *s2; - - s1 = type1->ref; - s2 = type2->ref; - if (!is_compatible_types(&s1->type, &s2->type)) - return 0; - /* check func_call */ - if (s1->a.func_call != s2->a.func_call) - return 0; - /* XXX: not complete */ - if (s1->c == FUNC_OLD || s2->c == FUNC_OLD) - return 1; - if (s1->c != s2->c) - return 0; - while (s1 != NULL) { - if (s2 == NULL) - return 0; - if (!is_compatible_parameter_types(&s1->type, &s2->type)) - return 0; - s1 = s1->next; - s2 = s2->next; - } - if (s2) - return 0; - return 1; -} - -/* return true if type1 and type2 are the same. If unqualified is - true, qualifiers on the types are ignored. - - - enums are not checked as gcc __builtin_types_compatible_p () - */ -static int compare_types(CType *type1, CType *type2, int unqualified) -{ - int bt1, t1, t2; - - t1 = type1->t & VT_TYPE; - t2 = type2->t & VT_TYPE; - if (unqualified) { - /* strip qualifiers before comparing */ - t1 &= ~(VT_CONSTANT | VT_VOLATILE); - t2 &= ~(VT_CONSTANT | VT_VOLATILE); - } - /* Default Vs explicit signedness only matters for char */ - if ((t1 & VT_BTYPE) != VT_BYTE) { - t1 &= ~VT_DEFSIGN; - t2 &= ~VT_DEFSIGN; - } - /* XXX: bitfields ? */ - if (t1 != t2) - return 0; - /* test more complicated cases */ - bt1 = t1 & VT_BTYPE; - if (bt1 == VT_PTR) { - type1 = pointed_type(type1); - type2 = pointed_type(type2); - return is_compatible_types(type1, type2); - } else if (bt1 == VT_STRUCT) { - return (type1->ref == type2->ref); - } else if (bt1 == VT_FUNC) { - return is_compatible_func(type1, type2); - } else { - return 1; - } -} - -/* return true if type1 and type2 are exactly the same (including - qualifiers). -*/ -static int is_compatible_types(CType *type1, CType *type2) -{ - return compare_types(type1,type2,0); -} - -/* return true if type1 and type2 are the same (ignoring qualifiers). -*/ -static int is_compatible_parameter_types(CType *type1, CType *type2) -{ - return compare_types(type1,type2,1); -} - -/* print a type. If 'varstr' is not NULL, then the variable is also - printed in the type */ -/* XXX: union */ -/* XXX: add array and function pointers */ -static void type_to_str(char *buf, int buf_size, - CType *type, const char *varstr) -{ - int bt, v, t; - Sym *s, *sa; - char buf1[256]; - const char *tstr; - - t = type->t & VT_TYPE; - bt = t & VT_BTYPE; - buf[0] = '\0'; - if (t & VT_CONSTANT) - pstrcat(buf, buf_size, "const "); - if (t & VT_VOLATILE) - pstrcat(buf, buf_size, "volatile "); - if ((t & (VT_DEFSIGN | VT_UNSIGNED)) == (VT_DEFSIGN | VT_UNSIGNED)) - pstrcat(buf, buf_size, "unsigned "); - else if (t & VT_DEFSIGN) - pstrcat(buf, buf_size, "signed "); - switch(bt) { - case VT_VOID: - tstr = "void"; - goto add_tstr; - case VT_BOOL: - tstr = "_Bool"; - goto add_tstr; - case VT_BYTE: - tstr = "char"; - goto add_tstr; - case VT_SHORT: - tstr = "short"; - goto add_tstr; - case VT_INT: - tstr = "int"; - goto add_tstr; - case VT_LONG: - tstr = "long"; - goto add_tstr; - case VT_LLONG: - tstr = "long long"; - goto add_tstr; - case VT_FLOAT: - tstr = "float"; - goto add_tstr; - case VT_DOUBLE: - tstr = "double"; - goto add_tstr; - case VT_LDOUBLE: - tstr = "long double"; - add_tstr: - pstrcat(buf, buf_size, tstr); - break; - case VT_ENUM: - case VT_STRUCT: - if (bt == VT_STRUCT) - tstr = "struct "; - else - tstr = "enum "; - pstrcat(buf, buf_size, tstr); - v = type->ref->v & ~SYM_STRUCT; - if (v >= SYM_FIRST_ANOM) - pstrcat(buf, buf_size, ""); - else - pstrcat(buf, buf_size, get_tok_str(v, NULL)); - break; - case VT_FUNC: - s = type->ref; - type_to_str(buf, buf_size, &s->type, varstr); - pstrcat(buf, buf_size, "("); - sa = s->next; - while (sa != NULL) { - type_to_str(buf1, sizeof(buf1), &sa->type, NULL); - pstrcat(buf, buf_size, buf1); - sa = sa->next; - if (sa) - pstrcat(buf, buf_size, ", "); - } - pstrcat(buf, buf_size, ")"); - goto no_var; - case VT_PTR: - s = type->ref; - pstrcpy(buf1, sizeof(buf1), "*"); - if (varstr) - pstrcat(buf1, sizeof(buf1), varstr); - type_to_str(buf, buf_size, &s->type, buf1); - goto no_var; - } - if (varstr) { - pstrcat(buf, buf_size, " "); - pstrcat(buf, buf_size, varstr); - } - no_var: ; -} - -/* verify type compatibility to store vtop in 'dt' type, and generate - casts if needed. */ -static void gen_assign_cast(CType *dt) -{ - CType *st, *type1, *type2, tmp_type1, tmp_type2; - char buf1[256], buf2[256]; - int dbt, sbt; - - st = &vtop->type; /* source type */ - dbt = dt->t & VT_BTYPE; - sbt = st->t & VT_BTYPE; - if (sbt == VT_VOID || dbt == VT_VOID) { - if (sbt == VT_VOID && dbt == VT_VOID) - ; /* - It is Ok if both are void - A test program: - void func1() {} - void func2() { - return func1(); - } - gcc accepts this program - */ - else - tcc_error("cannot cast from/to void"); - } - if (dt->t & VT_CONSTANT) - tcc_warning("assignment of read-only location"); - switch(dbt) { - case VT_PTR: - /* special cases for pointers */ - /* '0' can also be a pointer */ - if (is_null_pointer(vtop)) - goto type_ok; - /* accept implicit pointer to integer cast with warning */ - if (is_integer_btype(sbt)) { - tcc_warning("assignment makes pointer from integer without a cast"); - goto type_ok; - } - type1 = pointed_type(dt); - /* a function is implicitely a function pointer */ - if (sbt == VT_FUNC) { - if ((type1->t & VT_BTYPE) != VT_VOID && - !is_compatible_types(pointed_type(dt), st)) - tcc_warning("assignment from incompatible pointer type"); - goto type_ok; - } - if (sbt != VT_PTR) - goto error; - type2 = pointed_type(st); - if ((type1->t & VT_BTYPE) == VT_VOID || - (type2->t & VT_BTYPE) == VT_VOID) { - /* void * can match anything */ - } else { - /* exact type match, except for unsigned */ - tmp_type1 = *type1; - tmp_type2 = *type2; - tmp_type1.t &= ~(VT_DEFSIGN | VT_UNSIGNED | VT_CONSTANT | - VT_VOLATILE); - tmp_type2.t &= ~(VT_DEFSIGN | VT_UNSIGNED | VT_CONSTANT | - VT_VOLATILE); - if (!is_compatible_types(&tmp_type1, &tmp_type2)) - tcc_warning("assignment from incompatible pointer type"); - } - /* check const and volatile */ - if ((!(type1->t & VT_CONSTANT) && (type2->t & VT_CONSTANT)) || - (!(type1->t & VT_VOLATILE) && (type2->t & VT_VOLATILE))) - tcc_warning("assignment discards qualifiers from pointer target type"); - break; - case VT_BYTE: - case VT_SHORT: - case VT_INT: - case VT_LLONG: - if (sbt == VT_PTR || sbt == VT_FUNC) { - tcc_warning("assignment makes integer from pointer without a cast"); - } - /* XXX: more tests */ - break; - case VT_STRUCT: - tmp_type1 = *dt; - tmp_type2 = *st; - tmp_type1.t &= ~(VT_CONSTANT | VT_VOLATILE); - tmp_type2.t &= ~(VT_CONSTANT | VT_VOLATILE); - if (!is_compatible_types(&tmp_type1, &tmp_type2)) { - error: - type_to_str(buf1, sizeof(buf1), st, NULL); - type_to_str(buf2, sizeof(buf2), dt, NULL); - tcc_error("cannot cast '%s' to '%s'", buf1, buf2); - } - break; - } - type_ok: - gen_cast(dt); -} - -/* store vtop in lvalue pushed on stack */ -ST_FUNC void vstore(void) -{ - int sbt, dbt, ft, r, t, size, align, bit_size, bit_pos, rc, delayed_cast; - - ft = vtop[-1].type.t; - sbt = vtop->type.t & VT_BTYPE; - dbt = ft & VT_BTYPE; - if ((((sbt == VT_INT || sbt == VT_SHORT) && dbt == VT_BYTE) || - (sbt == VT_INT && dbt == VT_SHORT)) - && !(vtop->type.t & VT_BITFIELD)) { - /* optimize char/short casts */ - delayed_cast = VT_MUSTCAST; - vtop->type.t = ft & (VT_TYPE & ~(VT_BITFIELD | (-1 << VT_STRUCT_SHIFT))); - /* XXX: factorize */ - if (ft & VT_CONSTANT) - tcc_warning("assignment of read-only location"); - } else { - delayed_cast = 0; - if (!(ft & VT_BITFIELD)) - gen_assign_cast(&vtop[-1].type); - } - - if (sbt == VT_STRUCT) { - /* if structure, only generate pointer */ - /* structure assignment : generate memcpy */ - /* XXX: optimize if small size */ - if (!nocode_wanted) { - size = type_size(&vtop->type, &align); - - /* destination */ - vswap(); - vtop->type.t = VT_PTR; - gaddrof(); - - /* address of memcpy() */ -#ifdef TCC_ARM_EABI - if(!(align & 7)) - vpush_global_sym(&func_old_type, TOK_memcpy8); - else if(!(align & 3)) - vpush_global_sym(&func_old_type, TOK_memcpy4); - else -#endif - vpush_global_sym(&func_old_type, TOK_memcpy); - - vswap(); - /* source */ - vpushv(vtop - 2); - vtop->type.t = VT_PTR; - gaddrof(); - /* type size */ - vpushi(size); - gfunc_call(3); - } else { - vswap(); - vpop(); - } - /* leave source on stack */ - } else if (ft & VT_BITFIELD) { - /* bitfield store handling */ - - /* save lvalue as expression result (example: s.b = s.a = n;) */ - vdup(), vtop[-1] = vtop[-2]; - - bit_pos = (ft >> VT_STRUCT_SHIFT) & 0x3f; - bit_size = (ft >> (VT_STRUCT_SHIFT + 6)) & 0x3f; - /* remove bit field info to avoid loops */ - vtop[-1].type.t = ft & ~(VT_BITFIELD | (-1 << VT_STRUCT_SHIFT)); - - if((ft & VT_BTYPE) == VT_BOOL) { - gen_cast(&vtop[-1].type); - vtop[-1].type.t = (vtop[-1].type.t & ~VT_BTYPE) | (VT_BYTE | VT_UNSIGNED); - } - - /* duplicate destination */ - vdup(); - vtop[-1] = vtop[-2]; - - /* mask and shift source */ - if((ft & VT_BTYPE) != VT_BOOL) { - if((ft & VT_BTYPE) == VT_LLONG) { - vpushll((1ULL << bit_size) - 1ULL); - } else { - vpushi((1 << bit_size) - 1); - } - gen_op('&'); - } - vpushi(bit_pos); - gen_op(TOK_SHL); - /* load destination, mask and or with source */ - vswap(); - if((ft & VT_BTYPE) == VT_LLONG) { - vpushll(~(((1ULL << bit_size) - 1ULL) << bit_pos)); - } else { - vpushi(~(((1 << bit_size) - 1) << bit_pos)); - } - gen_op('&'); - gen_op('|'); - /* store result */ - vstore(); - /* ... and discard */ - vpop(); - - } else { - if (!nocode_wanted) { -#ifdef CONFIG_TCC_BCHECK - /* bound check case */ - if (vtop[-1].r & VT_MUSTBOUND) { - vswap(); - gbound(); - vswap(); - } -#endif - rc = RC_INT; - if (is_float(ft)) { - rc = RC_FLOAT; -#ifdef TCC_TARGET_X86_64 - if ((ft & VT_BTYPE) == VT_LDOUBLE) { - rc = RC_ST0; - } else if ((ft & VT_BTYPE) == VT_QFLOAT) { - rc = RC_FRET; - } -#endif - } - r = gv(rc); /* generate value */ - /* if lvalue was saved on stack, must read it */ - if ((vtop[-1].r & VT_VALMASK) == VT_LLOCAL) { - SValue sv; - t = get_reg(RC_INT); -#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) - sv.type.t = VT_PTR; -#else - sv.type.t = VT_INT; -#endif - sv.r = VT_LOCAL | VT_LVAL; - sv.c.ul = vtop[-1].c.ul; - load(t, &sv); - vtop[-1].r = t | VT_LVAL; - } - /* two word case handling : store second register at word + 4 (or +8 for x86-64) */ -#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) - if (((ft & VT_BTYPE) == VT_QLONG) || ((ft & VT_BTYPE) == VT_QFLOAT)) { - int addr_type = VT_LLONG, load_size = 8, load_type = ((vtop->type.t & VT_BTYPE) == VT_QLONG) ? VT_LLONG : VT_DOUBLE; -#else - if ((ft & VT_BTYPE) == VT_LLONG) { - int addr_type = VT_INT, load_size = 4, load_type = VT_INT; -#endif - vtop[-1].type.t = load_type; - store(r, vtop - 1); - vswap(); - /* convert to int to increment easily */ - vtop->type.t = addr_type; - gaddrof(); - vpushi(load_size); - gen_op('+'); - vtop->r |= VT_LVAL; - vswap(); - vtop[-1].type.t = load_type; - /* XXX: it works because r2 is spilled last ! */ - store(vtop->r2, vtop - 1); - } else { - store(r, vtop - 1); - } - } - vswap(); - vtop--; /* NOT vpop() because on x86 it would flush the fp stack */ - vtop->r |= delayed_cast; - } -} - -/* post defines POST/PRE add. c is the token ++ or -- */ -ST_FUNC void inc(int post, int c) -{ - test_lvalue(); - vdup(); /* save lvalue */ - if (post) { - if (!nocode_wanted) - gv_dup(); /* duplicate value */ - else - vdup(); /* duplicate value */ - vrotb(3); - vrotb(3); - } - /* add constant */ - vpushi(c - TOK_MID); - gen_op('+'); - vstore(); /* store value */ - if (post) - vpop(); /* if post op, return saved value */ -} - -/* Parse GNUC __attribute__ extension. Currently, the following - extensions are recognized: - - aligned(n) : set data/function alignment. - - packed : force data alignment to 1 - - section(x) : generate data/code in this section. - - unused : currently ignored, but may be used someday. - - regparm(n) : pass function parameters in registers (i386 only) - */ -static void parse_attribute(AttributeDef *ad) -{ - int t, n; - - while (tok == TOK_ATTRIBUTE1 || tok == TOK_ATTRIBUTE2) { - next(); - skip('('); - skip('('); - while (tok != ')') { - if (tok < TOK_IDENT) - expect("attribute name"); - t = tok; - next(); - switch(t) { - case TOK_SECTION1: - case TOK_SECTION2: - skip('('); - if (tok != TOK_STR) - expect("section name"); - ad->section = find_section(tcc_state, (char *)tokc.cstr->data); - next(); - skip(')'); - break; - case TOK_ALIAS1: - case TOK_ALIAS2: - skip('('); - if (tok != TOK_STR) - expect("alias(\"target\")"); - ad->alias_target = /* save string as token, for later */ - tok_alloc((char*)tokc.cstr->data, tokc.cstr->size-1)->tok; - next(); - skip(')'); - break; - case TOK_VISIBILITY1: - case TOK_VISIBILITY2: - skip('('); - if (tok != TOK_STR) - expect("visibility(\"default|hidden|internal|protected\")"); - if (!strcmp (tokc.cstr->data, "default")) - ad->a.visibility = STV_DEFAULT; - else if (!strcmp (tokc.cstr->data, "hidden")) - ad->a.visibility = STV_HIDDEN; - else if (!strcmp (tokc.cstr->data, "internal")) - ad->a.visibility = STV_INTERNAL; - else if (!strcmp (tokc.cstr->data, "protected")) - ad->a.visibility = STV_PROTECTED; - else - expect("visibility(\"default|hidden|internal|protected\")"); - next(); - skip(')'); - break; - case TOK_ALIGNED1: - case TOK_ALIGNED2: - if (tok == '(') { - next(); - n = expr_const(); - if (n <= 0 || (n & (n - 1)) != 0) - tcc_error("alignment must be a positive power of two"); - skip(')'); - } else { - n = MAX_ALIGN; - } - ad->a.aligned = n; - break; - case TOK_PACKED1: - case TOK_PACKED2: - ad->a.packed = 1; - break; - case TOK_WEAK1: - case TOK_WEAK2: - ad->a.weak = 1; - break; - case TOK_UNUSED1: - case TOK_UNUSED2: - /* currently, no need to handle it because tcc does not - track unused objects */ - break; - case TOK_NORETURN1: - case TOK_NORETURN2: - /* currently, no need to handle it because tcc does not - track unused objects */ - break; - case TOK_CDECL1: - case TOK_CDECL2: - case TOK_CDECL3: - ad->a.func_call = FUNC_CDECL; - break; - case TOK_STDCALL1: - case TOK_STDCALL2: - case TOK_STDCALL3: - ad->a.func_call = FUNC_STDCALL; - break; -#ifdef TCC_TARGET_I386 - case TOK_REGPARM1: - case TOK_REGPARM2: - skip('('); - n = expr_const(); - if (n > 3) - n = 3; - else if (n < 0) - n = 0; - if (n > 0) - ad->a.func_call = FUNC_FASTCALL1 + n - 1; - skip(')'); - break; - case TOK_FASTCALL1: - case TOK_FASTCALL2: - case TOK_FASTCALL3: - ad->a.func_call = FUNC_FASTCALLW; - break; -#endif - case TOK_MODE: - skip('('); - switch(tok) { - case TOK_MODE_DI: - ad->a.mode = VT_LLONG + 1; - break; - case TOK_MODE_HI: - ad->a.mode = VT_SHORT + 1; - break; - case TOK_MODE_SI: - ad->a.mode = VT_INT + 1; - break; - default: - tcc_warning("__mode__(%s) not supported\n", get_tok_str(tok, NULL)); - break; - } - next(); - skip(')'); - break; - case TOK_DLLEXPORT: - ad->a.func_export = 1; - break; - case TOK_DLLIMPORT: - ad->a.func_import = 1; - break; - default: - if (tcc_state->warn_unsupported) - tcc_warning("'%s' attribute ignored", get_tok_str(t, NULL)); - /* skip parameters */ - if (tok == '(') { - int parenthesis = 0; - do { - if (tok == '(') - parenthesis++; - else if (tok == ')') - parenthesis--; - next(); - } while (parenthesis && tok != -1); - } - break; - } - if (tok != ',') - break; - next(); - } - skip(')'); - skip(')'); - } -} - -/* enum/struct/union declaration. u is either VT_ENUM or VT_STRUCT */ -static void struct_decl(CType *type, int u, int tdef) -{ - int a, v, size, align, maxalign, c, offset, flexible; - int bit_size, bit_pos, bsize, bt, lbit_pos, prevbt; - Sym *s, *ss, *ass, **ps; - AttributeDef ad; - CType type1, btype; - - a = tok; /* save decl type */ - next(); - if (tok != '{') { - v = tok; - next(); - /* struct already defined ? return it */ - if (v < TOK_IDENT) - expect("struct/union/enum name"); - s = struct_find(v); - if (s) { - if (s->type.t != a) - tcc_error("invalid type"); - goto do_decl; - } else if (tok >= TOK_IDENT && !tdef) - tcc_error("unknown struct/union/enum"); - } else { - v = anon_sym++; - } - type1.t = a; - type1.ref = NULL; - /* we put an undefined size for struct/union */ - s = sym_push(v | SYM_STRUCT, &type1, 0, -1); - s->r = 0; /* default alignment is zero as gcc */ - /* put struct/union/enum name in type */ - do_decl: - type->t = u; - type->ref = s; - - if (tok == '{') { - next(); - if (s->c != -1) - tcc_error("struct/union/enum already defined"); - /* cannot be empty */ - c = 0; - /* non empty enums are not allowed */ - if (a == TOK_ENUM) { - for(;;) { - v = tok; - if (v < TOK_UIDENT) - expect("identifier"); - ss = sym_find(v); - if (ss && !local_stack) - tcc_error("redefinition of enumerator '%s'", - get_tok_str(v, NULL)); - next(); - if (tok == '=') { - next(); - c = expr_const(); - } - /* enum symbols have static storage */ - ss = sym_push(v, &int_type, VT_CONST, c); - ss->type.t |= VT_STATIC; - if (tok != ',') - break; - next(); - c++; - /* NOTE: we accept a trailing comma */ - if (tok == '}') - break; - } - s->c = type_size(&int_type, &align); - skip('}'); - } else { - maxalign = 1; - ps = &s->next; - prevbt = VT_INT; - bit_pos = 0; - offset = 0; - flexible = 0; - while (tok != '}') { - parse_btype(&btype, &ad); - while (1) { - if (flexible) - tcc_error("flexible array member '%s' not at the end of struct", - get_tok_str(v, NULL)); - bit_size = -1; - v = 0; - type1 = btype; - if (tok != ':') { - type_decl(&type1, &ad, &v, TYPE_DIRECT | TYPE_ABSTRACT); - if (v == 0) { - if ((type1.t & VT_BTYPE) != VT_STRUCT) - expect("identifier"); - else { - int v = btype.ref->v; - if (!(v & SYM_FIELD) && (v & ~SYM_STRUCT) < SYM_FIRST_ANOM) { - if (tcc_state->ms_extensions == 0) - expect("identifier"); - } - } - } - if (type_size(&type1, &align) < 0) { - if ((a == TOK_STRUCT) && (type1.t & VT_ARRAY) && c) - flexible = 1; - else - tcc_error("field '%s' has incomplete type", - get_tok_str(v, NULL)); - } - if ((type1.t & VT_BTYPE) == VT_FUNC || - (type1.t & (VT_TYPEDEF | VT_STATIC | VT_EXTERN | VT_INLINE))) - tcc_error("invalid type for '%s'", - get_tok_str(v, NULL)); - } - if (tok == ':') { - next(); - bit_size = expr_const(); - /* XXX: handle v = 0 case for messages */ - if (bit_size < 0) - tcc_error("negative width in bit-field '%s'", - get_tok_str(v, NULL)); - if (v && bit_size == 0) - tcc_error("zero width for bit-field '%s'", - get_tok_str(v, NULL)); - } - size = type_size(&type1, &align); - if (ad.a.aligned) { - if (align < ad.a.aligned) - align = ad.a.aligned; - } else if (ad.a.packed) { - align = 1; - } else if (*tcc_state->pack_stack_ptr) { - if (align > *tcc_state->pack_stack_ptr) - align = *tcc_state->pack_stack_ptr; - } - lbit_pos = 0; - if (bit_size >= 0) { - bt = type1.t & VT_BTYPE; - if (bt != VT_INT && - bt != VT_BYTE && - bt != VT_SHORT && - bt != VT_BOOL && - bt != VT_ENUM && - bt != VT_LLONG) - tcc_error("bitfields must have scalar type"); - bsize = size * 8; - if (bit_size > bsize) { - tcc_error("width of '%s' exceeds its type", - get_tok_str(v, NULL)); - } else if (bit_size == bsize) { - /* no need for bit fields */ - bit_pos = 0; - } else if (bit_size == 0) { - /* XXX: what to do if only padding in a - structure ? */ - /* zero size: means to pad */ - bit_pos = 0; - } else { - /* we do not have enough room ? - did the type change? - is it a union? */ - if ((bit_pos + bit_size) > bsize || - bt != prevbt || a == TOK_UNION) - bit_pos = 0; - lbit_pos = bit_pos; - /* XXX: handle LSB first */ - type1.t |= VT_BITFIELD | - (bit_pos << VT_STRUCT_SHIFT) | - (bit_size << (VT_STRUCT_SHIFT + 6)); - bit_pos += bit_size; - } - prevbt = bt; - } else { - bit_pos = 0; - } - if (v != 0 || (type1.t & VT_BTYPE) == VT_STRUCT) { - /* add new memory data only if starting - bit field */ - if (lbit_pos == 0) { - if (a == TOK_STRUCT) { - c = (c + align - 1) & -align; - offset = c; - if (size > 0) - c += size; - } else { - offset = 0; - if (size > c) - c = size; - } - if (align > maxalign) - maxalign = align; - } -#if 0 - printf("add field %s offset=%d", - get_tok_str(v, NULL), offset); - if (type1.t & VT_BITFIELD) { - printf(" pos=%d size=%d", - (type1.t >> VT_STRUCT_SHIFT) & 0x3f, - (type1.t >> (VT_STRUCT_SHIFT + 6)) & 0x3f); - } - printf("\n"); -#endif - } - if (v == 0 && (type1.t & VT_BTYPE) == VT_STRUCT) { - ass = type1.ref; - while ((ass = ass->next) != NULL) { - ss = sym_push(ass->v, &ass->type, 0, offset + ass->c); - *ps = ss; - ps = &ss->next; - } - } else if (v) { - ss = sym_push(v | SYM_FIELD, &type1, 0, offset); - *ps = ss; - ps = &ss->next; - } - if (tok == ';' || tok == TOK_EOF) - break; - skip(','); - } - skip(';'); - } - skip('}'); - /* store size and alignment */ - s->c = (c + maxalign - 1) & -maxalign; - s->r = maxalign; - } - } -} - -/* return 1 if basic type is a type size (short, long, long long) */ -ST_FUNC int is_btype_size(int bt) -{ - return bt == VT_SHORT || bt == VT_LONG || bt == VT_LLONG; -} - -/* return 0 if no type declaration. otherwise, return the basic type - and skip it. - */ -static int parse_btype(CType *type, AttributeDef *ad) -{ - int t, u, bt_size, complete, type_found, typespec_found; - Sym *s; - CType type1; - - memset(ad, 0, sizeof(AttributeDef)); - complete = 0; - type_found = 0; - typespec_found = 0; - t = 0; - while(1) { - switch(tok) { - case TOK_EXTENSION: - /* currently, we really ignore extension */ - next(); - continue; - - /* basic types */ - case TOK_CHAR: - u = VT_BYTE; - basic_type: - next(); - basic_type1: - if (complete) - tcc_error("too many basic types"); - t |= u; - bt_size = is_btype_size (u & VT_BTYPE); - if (u == VT_INT || (!bt_size && !(t & VT_TYPEDEF))) - complete = 1; - typespec_found = 1; - break; - case TOK_VOID: - u = VT_VOID; - goto basic_type; - case TOK_SHORT: - u = VT_SHORT; - goto basic_type; - case TOK_INT: - u = VT_INT; - goto basic_type; - case TOK_LONG: - next(); - if ((t & VT_BTYPE) == VT_DOUBLE) { -#ifndef TCC_TARGET_PE - t = (t & ~VT_BTYPE) | VT_LDOUBLE; -#endif - } else if ((t & VT_BTYPE) == VT_LONG) { - t = (t & ~VT_BTYPE) | VT_LLONG; - } else { - u = VT_LONG; - goto basic_type1; - } - break; -#ifdef TCC_TARGET_ARM64 - case TOK_UINT128: - /* GCC's __uint128_t appears in some Linux header files. Make it a - synonym for long double to get the size and alignment right. */ - u = VT_LDOUBLE; - goto basic_type; -#endif - case TOK_BOOL: - u = VT_BOOL; - goto basic_type; - case TOK_FLOAT: - u = VT_FLOAT; - goto basic_type; - case TOK_DOUBLE: - next(); - if ((t & VT_BTYPE) == VT_LONG) { -#ifdef TCC_TARGET_PE - t = (t & ~VT_BTYPE) | VT_DOUBLE; -#else - t = (t & ~VT_BTYPE) | VT_LDOUBLE; -#endif - } else { - u = VT_DOUBLE; - goto basic_type1; - } - break; - case TOK_ENUM: - struct_decl(&type1, VT_ENUM, t & (VT_TYPEDEF | VT_EXTERN)); - basic_type2: - u = type1.t; - type->ref = type1.ref; - goto basic_type1; - case TOK_STRUCT: - case TOK_UNION: - struct_decl(&type1, VT_STRUCT, t & (VT_TYPEDEF | VT_EXTERN)); - goto basic_type2; - - /* type modifiers */ - case TOK_CONST1: - case TOK_CONST2: - case TOK_CONST3: - t |= VT_CONSTANT; - next(); - break; - case TOK_VOLATILE1: - case TOK_VOLATILE2: - case TOK_VOLATILE3: - t |= VT_VOLATILE; - next(); - break; - case TOK_SIGNED1: - case TOK_SIGNED2: - case TOK_SIGNED3: - if ((t & (VT_DEFSIGN|VT_UNSIGNED)) == (VT_DEFSIGN|VT_UNSIGNED)) - tcc_error("signed and unsigned modifier"); - typespec_found = 1; - t |= VT_DEFSIGN; - next(); - break; - case TOK_REGISTER: - case TOK_AUTO: - case TOK_RESTRICT1: - case TOK_RESTRICT2: - case TOK_RESTRICT3: - next(); - break; - case TOK_UNSIGNED: - if ((t & (VT_DEFSIGN|VT_UNSIGNED)) == VT_DEFSIGN) - tcc_error("signed and unsigned modifier"); - t |= VT_DEFSIGN | VT_UNSIGNED; - next(); - typespec_found = 1; - break; - - /* storage */ - case TOK_EXTERN: - t |= VT_EXTERN; - next(); - break; - case TOK_STATIC: - t |= VT_STATIC; - next(); - break; - case TOK_TYPEDEF: - t |= VT_TYPEDEF; - next(); - break; - case TOK_INLINE1: - case TOK_INLINE2: - case TOK_INLINE3: - t |= VT_INLINE; - next(); - break; - - /* GNUC attribute */ - case TOK_ATTRIBUTE1: - case TOK_ATTRIBUTE2: - parse_attribute(ad); - if (ad->a.mode) { - u = ad->a.mode -1; - t = (t & ~VT_BTYPE) | u; - } - break; - /* GNUC typeof */ - case TOK_TYPEOF1: - case TOK_TYPEOF2: - case TOK_TYPEOF3: - next(); - parse_expr_type(&type1); - /* remove all storage modifiers except typedef */ - type1.t &= ~(VT_STORAGE&~VT_TYPEDEF); - goto basic_type2; - default: - if (typespec_found) - goto the_end; - s = sym_find(tok); - if (!s || !(s->type.t & VT_TYPEDEF)) - goto the_end; - t |= (s->type.t & ~VT_TYPEDEF); - type->ref = s->type.ref; - if (s->r) { - /* get attributes from typedef */ - if (0 == ad->a.aligned) - ad->a.aligned = s->a.aligned; - if (0 == ad->a.func_call) - ad->a.func_call = s->a.func_call; - ad->a.packed |= s->a.packed; - } - next(); - typespec_found = 1; - break; - } - type_found = 1; - } -the_end: - if (tcc_state->char_is_unsigned) { - if ((t & (VT_DEFSIGN|VT_BTYPE)) == VT_BYTE) - t |= VT_UNSIGNED; - } - - /* long is never used as type */ - if ((t & VT_BTYPE) == VT_LONG) -#if (!defined TCC_TARGET_X86_64 && !defined TCC_TARGET_ARM64) || \ - defined TCC_TARGET_PE - t = (t & ~VT_BTYPE) | VT_INT; -#else - t = (t & ~VT_BTYPE) | VT_LLONG; -#endif - type->t = t; - return type_found; -} - -/* convert a function parameter type (array to pointer and function to - function pointer) */ -static inline void convert_parameter_type(CType *pt) -{ - /* remove const and volatile qualifiers (XXX: const could be used - to indicate a const function parameter */ - pt->t &= ~(VT_CONSTANT | VT_VOLATILE); - /* array must be transformed to pointer according to ANSI C */ - pt->t &= ~VT_ARRAY; - if ((pt->t & VT_BTYPE) == VT_FUNC) { - mk_pointer(pt); - } -} - -ST_FUNC void parse_asm_str(CString *astr) -{ - skip('('); - /* read the string */ - if (tok != TOK_STR) - expect("string constant"); - cstr_new(astr); - while (tok == TOK_STR) { - /* XXX: add \0 handling too ? */ - cstr_cat(astr, tokc.cstr->data); - next(); - } - cstr_ccat(astr, '\0'); -} - -/* Parse an asm label and return the label - * Don't forget to free the CString in the caller! */ -static void asm_label_instr(CString *astr) -{ - next(); - parse_asm_str(astr); - skip(')'); -#ifdef ASM_DEBUG - printf("asm_alias: \"%s\"\n", (char *)astr->data); -#endif -} - -static void post_type(CType *type, AttributeDef *ad) -{ - int n, l, t1, arg_size, align; - Sym **plast, *s, *first; - AttributeDef ad1; - CType pt; - - if (tok == '(') { - /* function declaration */ - next(); - l = 0; - first = NULL; - plast = &first; - arg_size = 0; - if (tok != ')') { - for(;;) { - /* read param name and compute offset */ - if (l != FUNC_OLD) { - if (!parse_btype(&pt, &ad1)) { - if (l) { - tcc_error("invalid type"); - } else { - l = FUNC_OLD; - goto old_proto; - } - } - l = FUNC_NEW; - if ((pt.t & VT_BTYPE) == VT_VOID && tok == ')') - break; - type_decl(&pt, &ad1, &n, TYPE_DIRECT | TYPE_ABSTRACT); - if ((pt.t & VT_BTYPE) == VT_VOID) - tcc_error("parameter declared as void"); - arg_size += (type_size(&pt, &align) + PTR_SIZE - 1) / PTR_SIZE; - } else { - old_proto: - n = tok; - if (n < TOK_UIDENT) - expect("identifier"); - pt.t = VT_INT; - next(); - } - convert_parameter_type(&pt); - s = sym_push(n | SYM_FIELD, &pt, 0, 0); - *plast = s; - plast = &s->next; - if (tok == ')') - break; - skip(','); - if (l == FUNC_NEW && tok == TOK_DOTS) { - l = FUNC_ELLIPSIS; - next(); - break; - } - } - } - /* if no parameters, then old type prototype */ - if (l == 0) - l = FUNC_OLD; - skip(')'); - /* NOTE: const is ignored in returned type as it has a special - meaning in gcc / C++ */ - type->t &= ~VT_CONSTANT; - /* some ancient pre-K&R C allows a function to return an array - and the array brackets to be put after the arguments, such - that "int c()[]" means something like "int[] c()" */ - if (tok == '[') { - next(); - skip(']'); /* only handle simple "[]" */ - type->t |= VT_PTR; - } - /* we push a anonymous symbol which will contain the function prototype */ - ad->a.func_args = arg_size; - s = sym_push(SYM_FIELD, type, 0, l); - s->a = ad->a; - s->next = first; - type->t = VT_FUNC; - type->ref = s; - } else if (tok == '[') { - /* array definition */ - next(); - if (tok == TOK_RESTRICT1) - next(); - n = -1; - t1 = 0; - if (tok != ']') { - if (!local_stack || nocode_wanted) - vpushi(expr_const()); - else gexpr(); - if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) { - n = vtop->c.i; - if (n < 0) - tcc_error("invalid array size"); - } else { - if (!is_integer_btype(vtop->type.t & VT_BTYPE)) - tcc_error("size of variable length array should be an integer"); - t1 = VT_VLA; - } - } - skip(']'); - /* parse next post type */ - post_type(type, ad); - if (type->t == VT_FUNC) - tcc_error("declaration of an array of functions"); - t1 |= type->t & VT_VLA; - - if (t1 & VT_VLA) { - loc -= type_size(&int_type, &align); - loc &= -align; - n = loc; - - vla_runtime_type_size(type, &align); - gen_op('*'); - vset(&int_type, VT_LOCAL|VT_LVAL, n); - vswap(); - vstore(); - } - if (n != -1) - vpop(); - - /* we push an anonymous symbol which will contain the array - element type */ - s = sym_push(SYM_FIELD, type, 0, n); - type->t = (t1 ? VT_VLA : VT_ARRAY) | VT_PTR; - type->ref = s; - } -} - -/* Parse a type declaration (except basic type), and return the type - in 'type'. 'td' is a bitmask indicating which kind of type decl is - expected. 'type' should contain the basic type. 'ad' is the - attribute definition of the basic type. It can be modified by - type_decl(). - */ -static void type_decl(CType *type, AttributeDef *ad, int *v, int td) -{ - Sym *s; - CType type1, *type2; - int qualifiers, storage; - - while (tok == '*') { - qualifiers = 0; - redo: - next(); - switch(tok) { - case TOK_CONST1: - case TOK_CONST2: - case TOK_CONST3: - qualifiers |= VT_CONSTANT; - goto redo; - case TOK_VOLATILE1: - case TOK_VOLATILE2: - case TOK_VOLATILE3: - qualifiers |= VT_VOLATILE; - goto redo; - case TOK_RESTRICT1: - case TOK_RESTRICT2: - case TOK_RESTRICT3: - goto redo; - } - mk_pointer(type); - type->t |= qualifiers; - } - - /* XXX: clarify attribute handling */ - if (tok == TOK_ATTRIBUTE1 || tok == TOK_ATTRIBUTE2) - parse_attribute(ad); - - /* recursive type */ - /* XXX: incorrect if abstract type for functions (e.g. 'int ()') */ - type1.t = 0; /* XXX: same as int */ - if (tok == '(') { - next(); - /* XXX: this is not correct to modify 'ad' at this point, but - the syntax is not clear */ - if (tok == TOK_ATTRIBUTE1 || tok == TOK_ATTRIBUTE2) - parse_attribute(ad); - type_decl(&type1, ad, v, td); - skip(')'); - } else { - /* type identifier */ - if (tok >= TOK_IDENT && (td & TYPE_DIRECT)) { - *v = tok; - next(); - } else { - if (!(td & TYPE_ABSTRACT)) - expect("identifier"); - *v = 0; - } - } - storage = type->t & VT_STORAGE; - type->t &= ~VT_STORAGE; - if (storage & VT_STATIC) { - int saved_nocode_wanted = nocode_wanted; - nocode_wanted = 1; - post_type(type, ad); - nocode_wanted = saved_nocode_wanted; - } else - post_type(type, ad); - type->t |= storage; - if (tok == TOK_ATTRIBUTE1 || tok == TOK_ATTRIBUTE2) - parse_attribute(ad); - - if (!type1.t) - return; - /* append type at the end of type1 */ - type2 = &type1; - for(;;) { - s = type2->ref; - type2 = &s->type; - if (!type2->t) { - *type2 = *type; - break; - } - } - *type = type1; -} - -/* compute the lvalue VT_LVAL_xxx needed to match type t. */ -ST_FUNC int lvalue_type(int t) -{ - int bt, r; - r = VT_LVAL; - bt = t & VT_BTYPE; - if (bt == VT_BYTE || bt == VT_BOOL) - r |= VT_LVAL_BYTE; - else if (bt == VT_SHORT) - r |= VT_LVAL_SHORT; - else - return r; - if (t & VT_UNSIGNED) - r |= VT_LVAL_UNSIGNED; - return r; -} - -/* indirection with full error checking and bound check */ -ST_FUNC void indir(void) -{ - if ((vtop->type.t & VT_BTYPE) != VT_PTR) { - if ((vtop->type.t & VT_BTYPE) == VT_FUNC) - return; - expect("pointer"); - } - if ((vtop->r & VT_LVAL) && !nocode_wanted) - gv(RC_INT); - vtop->type = *pointed_type(&vtop->type); - /* Arrays and functions are never lvalues */ - if (!(vtop->type.t & VT_ARRAY) && !(vtop->type.t & VT_VLA) - && (vtop->type.t & VT_BTYPE) != VT_FUNC) { - vtop->r |= lvalue_type(vtop->type.t); - /* if bound checking, the referenced pointer must be checked */ -#ifdef CONFIG_TCC_BCHECK - if (tcc_state->do_bounds_check) - vtop->r |= VT_MUSTBOUND; -#endif - } -} - -/* pass a parameter to a function and do type checking and casting */ -static void gfunc_param_typed(Sym *func, Sym *arg) -{ - int func_type; - CType type; - - func_type = func->c; - if (func_type == FUNC_OLD || - (func_type == FUNC_ELLIPSIS && arg == NULL)) { - /* default casting : only need to convert float to double */ - if ((vtop->type.t & VT_BTYPE) == VT_FLOAT) { - type.t = VT_DOUBLE; - gen_cast(&type); - } else if (vtop->type.t & VT_BITFIELD) { - type.t = vtop->type.t & (VT_BTYPE | VT_UNSIGNED); - gen_cast(&type); - } - } else if (arg == NULL) { - tcc_error("too many arguments to function"); - } else { - type = arg->type; - type.t &= ~VT_CONSTANT; /* need to do that to avoid false warning */ - gen_assign_cast(&type); - } -} - -/* parse an expression of the form '(type)' or '(expr)' and return its - type */ -static void parse_expr_type(CType *type) -{ - int n; - AttributeDef ad; - - skip('('); - if (parse_btype(type, &ad)) { - type_decl(type, &ad, &n, TYPE_ABSTRACT); - } else { - expr_type(type); - } - skip(')'); -} - -static void parse_type(CType *type) -{ - AttributeDef ad; - int n; - - if (!parse_btype(type, &ad)) { - expect("type"); - } - type_decl(type, &ad, &n, TYPE_ABSTRACT); -} - -static void vpush_tokc(int t) -{ - CType type; - type.t = t; - type.ref = 0; - vsetc(&type, VT_CONST, &tokc); -} - -ST_FUNC void unary(void) -{ - int n, t, align, size, r, sizeof_caller; - CType type; - Sym *s; - AttributeDef ad; - static int in_sizeof = 0; - - sizeof_caller = in_sizeof; - in_sizeof = 0; - /* XXX: GCC 2.95.3 does not generate a table although it should be - better here */ - tok_next: - switch(tok) { - case TOK_EXTENSION: - next(); - goto tok_next; - case TOK_CINT: - case TOK_CCHAR: - case TOK_LCHAR: - vpushi(tokc.i); - next(); - break; - case TOK_CUINT: - vpush_tokc(VT_INT | VT_UNSIGNED); - next(); - break; - case TOK_CLLONG: - vpush_tokc(VT_LLONG); - next(); - break; - case TOK_CULLONG: - vpush_tokc(VT_LLONG | VT_UNSIGNED); - next(); - break; - case TOK_CFLOAT: - vpush_tokc(VT_FLOAT); - next(); - break; - case TOK_CDOUBLE: - vpush_tokc(VT_DOUBLE); - next(); - break; - case TOK_CLDOUBLE: - vpush_tokc(VT_LDOUBLE); - next(); - break; - case TOK___FUNCTION__: - if (!gnu_ext) - goto tok_identifier; - /* fall thru */ - case TOK___FUNC__: - { - void *ptr; - int len; - /* special function name identifier */ - len = strlen(funcname) + 1; - /* generate char[len] type */ - type.t = VT_BYTE; - mk_pointer(&type); - type.t |= VT_ARRAY; - type.ref->c = len; - vpush_ref(&type, data_section, data_section->data_offset, len); - ptr = section_ptr_add(data_section, len); - memcpy(ptr, funcname, len); - next(); - } - break; - case TOK_LSTR: -#ifdef TCC_TARGET_PE - t = VT_SHORT | VT_UNSIGNED; -#else - t = VT_INT; -#endif - goto str_init; - case TOK_STR: - /* string parsing */ - t = VT_BYTE; - str_init: - if (tcc_state->warn_write_strings) - t |= VT_CONSTANT; - type.t = t; - mk_pointer(&type); - type.t |= VT_ARRAY; - memset(&ad, 0, sizeof(AttributeDef)); - decl_initializer_alloc(&type, &ad, VT_CONST, 2, 0, NULL, 0); - break; - case '(': - next(); - /* cast ? */ - if (parse_btype(&type, &ad)) { - type_decl(&type, &ad, &n, TYPE_ABSTRACT); - skip(')'); - /* check ISOC99 compound literal */ - if (tok == '{') { - /* data is allocated locally by default */ - if (global_expr) - r = VT_CONST; - else - r = VT_LOCAL; - /* all except arrays are lvalues */ - if (!(type.t & VT_ARRAY)) - r |= lvalue_type(type.t); - memset(&ad, 0, sizeof(AttributeDef)); - decl_initializer_alloc(&type, &ad, r, 1, 0, NULL, 0); - } else { - if (sizeof_caller) { - vpush(&type); - return; - } - unary(); - gen_cast(&type); - } - } else if (tok == '{') { - /* - if (nocode_wanted) - tcc_error("statement expression in global scope"); */ - /* this check breaks compilation of the linux 2.4.26 with the meesage: - linux/include/net/tcp.h:945: error: statement expression in global scope */ - - /* save all registers */ - save_regs(0); - /* statement expression : we do not accept break/continue - inside as GCC does */ - block(NULL, NULL, NULL, NULL, 0, 1); - skip(')'); - } else { - gexpr(); - skip(')'); - } - break; - case '*': - next(); - unary(); - indir(); - break; - case '&': - next(); - unary(); - /* functions names must be treated as function pointers, - except for unary '&' and sizeof. Since we consider that - functions are not lvalues, we only have to handle it - there and in function calls. */ - /* arrays can also be used although they are not lvalues */ - if ((vtop->type.t & VT_BTYPE) != VT_FUNC && - !(vtop->type.t & VT_ARRAY) && !(vtop->type.t & VT_LLOCAL)) - test_lvalue(); - mk_pointer(&vtop->type); - gaddrof(); - break; - case '!': - next(); - unary(); - if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) { - CType boolean; - boolean.t = VT_BOOL; - gen_cast(&boolean); - vtop->c.i = !vtop->c.i; - } else if ((vtop->r & VT_VALMASK) == VT_CMP) - vtop->c.i = vtop->c.i ^ 1; - else if (!nocode_wanted) { - save_regs(1); - vseti(VT_JMP, gvtst(1, 0)); - } - else - vtop--; - break; - case '~': - next(); - unary(); - vpushi(-1); - gen_op('^'); - break; - case '+': - next(); - unary(); - if ((vtop->type.t & VT_BTYPE) == VT_PTR) - tcc_error("pointer not accepted for unary plus"); - /* In order to force cast, we add zero, except for floating point - where we really need an noop (otherwise -0.0 will be transformed - into +0.0). */ - if (!is_float(vtop->type.t)) { - vpushi(0); - gen_op('+'); - } - break; - case TOK_SIZEOF: - case TOK_ALIGNOF1: - case TOK_ALIGNOF2: - t = tok; - next(); - in_sizeof++; - unary_type(&type); // Perform a in_sizeof = 0; - size = type_size(&type, &align); - if (t == TOK_SIZEOF) { - if (!(type.t & VT_VLA)) { - if (size < 0) - tcc_error("sizeof applied to an incomplete type"); - vpushs(size); - } else { - vla_runtime_type_size(&type, &align); - } - } else { - vpushs(align); - } - vtop->type.t |= VT_UNSIGNED; - break; - - case TOK_builtin_types_compatible_p: - { - CType type1, type2; - next(); - skip('('); - parse_type(&type1); - skip(','); - parse_type(&type2); - skip(')'); - type1.t &= ~(VT_CONSTANT | VT_VOLATILE); - type2.t &= ~(VT_CONSTANT | VT_VOLATILE); - vpushi(is_compatible_types(&type1, &type2)); - } - break; - case TOK_builtin_constant_p: - { - int saved_nocode_wanted, res; - next(); - skip('('); - saved_nocode_wanted = nocode_wanted; - nocode_wanted = 1; - gexpr(); - res = (vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; - vpop(); - nocode_wanted = saved_nocode_wanted; - skip(')'); - vpushi(res); - } - break; - case TOK_builtin_frame_address: - case TOK_builtin_return_address: - { - int tok1 = tok; - int level; - CType type; - next(); - skip('('); - if (tok != TOK_CINT || tokc.i < 0) { - tcc_error("%s only takes positive integers", - tok1 == TOK_builtin_return_address ? - "__builtin_return_address" : - "__builtin_frame_address"); - } - level = tokc.i; - next(); - skip(')'); - type.t = VT_VOID; - mk_pointer(&type); - vset(&type, VT_LOCAL, 0); /* local frame */ - while (level--) { - mk_pointer(&vtop->type); - indir(); /* -> parent frame */ - } - if (tok1 == TOK_builtin_return_address) { - // assume return address is just above frame pointer on stack - vpushi(PTR_SIZE); - gen_op('+'); - mk_pointer(&vtop->type); - indir(); - } - } - break; -#ifdef TCC_TARGET_X86_64 -#ifdef TCC_TARGET_PE - case TOK_builtin_va_start: - { - next(); - skip('('); - expr_eq(); - skip(','); - expr_eq(); - skip(')'); - if ((vtop->r & VT_VALMASK) != VT_LOCAL) - tcc_error("__builtin_va_start expects a local variable"); - vtop->r &= ~(VT_LVAL | VT_REF); - vtop->type = char_pointer_type; - vstore(); - } - break; -#else - case TOK_builtin_va_arg_types: - { - CType type; - next(); - skip('('); - parse_type(&type); - skip(')'); - vpushi(classify_x86_64_va_arg(&type)); - } - break; -#endif -#endif - -#ifdef TCC_TARGET_ARM64 - case TOK___va_start: { - if (nocode_wanted) - tcc_error("statement in global scope"); - next(); - skip('('); - expr_eq(); - skip(','); - expr_eq(); - skip(')'); - //xx check types - gen_va_start(); - vpushi(0); - vtop->type.t = VT_VOID; - break; - } - case TOK___va_arg: { - CType type; - if (nocode_wanted) - tcc_error("statement in global scope"); - next(); - skip('('); - expr_eq(); - skip(','); - parse_type(&type); - skip(')'); - //xx check types - gen_va_arg(&type); - vtop->type = type; - break; - } - case TOK___arm64_clear_cache: { - next(); - skip('('); - expr_eq(); - skip(','); - expr_eq(); - skip(')'); - gen_clear_cache(); - vpushi(0); - vtop->type.t = VT_VOID; - break; - } -#endif - /* pre operations */ - case TOK_INC: - case TOK_DEC: - t = tok; - next(); - unary(); - inc(0, t); - break; - case '-': - next(); - unary(); - t = vtop->type.t & VT_BTYPE; - if (is_float(t)) { - /* In IEEE negate(x) isn't subtract(0,x), but rather - subtract(-0, x). */ - vpush(&vtop->type); - if (t == VT_FLOAT) - vtop->c.f = -0.0f; - else if (t == VT_DOUBLE) - vtop->c.d = -0.0; - else - vtop->c.ld = -0.0; - } else - vpushi(0); - vswap(); - gen_op('-'); - break; - case TOK_LAND: - if (!gnu_ext) - goto tok_identifier; - next(); - /* allow to take the address of a label */ - if (tok < TOK_UIDENT) - expect("label identifier"); - s = label_find(tok); - if (!s) { - s = label_push(&global_label_stack, tok, LABEL_FORWARD); - } else { - if (s->r == LABEL_DECLARED) - s->r = LABEL_FORWARD; - } - if (!s->type.t) { - s->type.t = VT_VOID; - mk_pointer(&s->type); - s->type.t |= VT_STATIC; - } - vpushsym(&s->type, s); - next(); - break; - - // special qnan , snan and infinity values - case TOK___NAN__: - vpush64(VT_DOUBLE, 0x7ff8000000000000ULL); - next(); - break; - case TOK___SNAN__: - vpush64(VT_DOUBLE, 0x7ff0000000000001ULL); - next(); - break; - case TOK___INF__: - vpush64(VT_DOUBLE, 0x7ff0000000000000ULL); - next(); - break; - - default: - tok_identifier: - t = tok; - next(); - if (t < TOK_UIDENT) - expect("identifier"); - s = sym_find(t); - if (!s) { - const char *name = get_tok_str(t, NULL); - if (tok != '(') - tcc_error("'%s' undeclared", name); - /* for simple function calls, we tolerate undeclared - external reference to int() function */ - if (tcc_state->warn_implicit_function_declaration -#ifdef TCC_TARGET_PE - /* people must be warned about using undeclared WINAPI functions - (which usually start with uppercase letter) */ - || (name[0] >= 'A' && name[0] <= 'Z') -#endif - ) - tcc_warning("implicit declaration of function '%s'", name); - s = external_global_sym(t, &func_old_type, 0); - } - if ((s->type.t & (VT_STATIC | VT_INLINE | VT_BTYPE)) == - (VT_STATIC | VT_INLINE | VT_FUNC)) { - /* if referencing an inline function, then we generate a - symbol to it if not already done. It will have the - effect to generate code for it at the end of the - compilation unit. Inline function as always - generated in the text section. */ - if (!s->c) - put_extern_sym(s, text_section, 0, 0); - r = VT_SYM | VT_CONST; - } else { - r = s->r; - } - vset(&s->type, r, s->c); - /* if forward reference, we must point to s */ - if (vtop->r & VT_SYM) { - vtop->sym = s; - vtop->c.ptr_offset = 0; - } - break; - } - - /* post operations */ - while (1) { - if (tok == TOK_INC || tok == TOK_DEC) { - inc(1, tok); - next(); - } else if (tok == '.' || tok == TOK_ARROW) { - int qualifiers; - /* field */ - if (tok == TOK_ARROW) - indir(); - qualifiers = vtop->type.t & (VT_CONSTANT | VT_VOLATILE); - test_lvalue(); - gaddrof(); - next(); - /* expect pointer on structure */ - if ((vtop->type.t & VT_BTYPE) != VT_STRUCT) - expect("struct or union"); - s = vtop->type.ref; - /* find field */ - tok |= SYM_FIELD; - while ((s = s->next) != NULL) { - if (s->v == tok) - break; - } - if (!s) - tcc_error("field not found: %s", get_tok_str(tok & ~SYM_FIELD, NULL)); - /* add field offset to pointer */ - vtop->type = char_pointer_type; /* change type to 'char *' */ - vpushi(s->c); - gen_op('+'); - /* change type to field type, and set to lvalue */ - vtop->type = s->type; - vtop->type.t |= qualifiers; - /* an array is never an lvalue */ - if (!(vtop->type.t & VT_ARRAY)) { - vtop->r |= lvalue_type(vtop->type.t); -#ifdef CONFIG_TCC_BCHECK - /* if bound checking, the referenced pointer must be checked */ - if (tcc_state->do_bounds_check) - vtop->r |= VT_MUSTBOUND; -#endif - } - next(); - } else if (tok == '[') { - next(); - gexpr(); - gen_op('+'); - indir(); - skip(']'); - } else if (tok == '(') { - SValue ret; - Sym *sa; - int nb_args, ret_nregs, ret_align, regsize, variadic; - RegArgs args; - - /* function call */ - if ((vtop->type.t & VT_BTYPE) != VT_FUNC) { - /* pointer test (no array accepted) */ - if ((vtop->type.t & (VT_BTYPE | VT_ARRAY)) == VT_PTR) { - vtop->type = *pointed_type(&vtop->type); - if ((vtop->type.t & VT_BTYPE) != VT_FUNC) - goto error_func; - } else { - error_func: - expect("function pointer"); - } - } else { - vtop->r &= ~VT_LVAL; /* no lvalue */ - } - /* get return type */ - s = vtop->type.ref; - next(); - sa = s->next; /* first parameter */ - nb_args = 0; - ret.r2 = VT_CONST; - /* compute first implicit argument if a structure is returned */ - if ((s->type.t & VT_BTYPE) == VT_STRUCT) { - variadic = (s->c == FUNC_ELLIPSIS); - gfunc_sret(&s->type, variadic, &ret.type, - &ret_align, ®size, &args); - ret_nregs = regargs_nregs(&args); - - if (!ret_nregs) { - /* get some space for the returned structure */ - size = type_size(&s->type, &align); -#ifdef TCC_TARGET_ARM64 - /* On arm64, a small struct is return in registers. - It is much easier to write it to memory if we know - that we are allowed to write some extra bytes, so - round the allocated space up to a power of 2: */ - if (size < 16) - while (size & (size - 1)) - size = (size | (size - 1)) + 1; -#endif - loc = (loc - size) & -align; - ret.type = s->type; - ret.r = VT_LOCAL | VT_LVAL; - /* pass it as 'int' to avoid structure arg passing - problems */ - vseti(VT_LOCAL, loc); - ret.c = vtop->c; - nb_args++; - } - } else { - ret_nregs = 1; - ret.type = s->type; - } - - if (ret_nregs) { - /* return in register */ - if (is_float(ret.type.t)) { - ret.r = reg_fret(ret.type.t); -#ifdef TCC_TARGET_X86_64 - if ((ret.type.t & VT_BTYPE) == VT_QFLOAT) - ret.r2 = REG_QRET; -#endif - } else { -#ifndef TCC_TARGET_ARM64 -#ifdef TCC_TARGET_X86_64 - if ((ret.type.t & VT_BTYPE) == VT_QLONG) -#else - if ((ret.type.t & VT_BTYPE) == VT_LLONG) -#endif - ret.r2 = REG_LRET; -#endif - ret.r = REG_IRET; - } - ret.c.i = 0; - } - if (tok != ')') { - for(;;) { - expr_eq(); - gfunc_param_typed(s, sa); - nb_args++; - if (sa) - sa = sa->next; - if (tok == ')') - break; - skip(','); - } - } - if (sa) - tcc_error("too few arguments to function"); - skip(')'); - if (!nocode_wanted) { - gfunc_call(nb_args); - } else { - vtop -= (nb_args + 1); - } - - /* return value */ - for (r = ret.r + ret_nregs + !ret_nregs; r-- > ret.r;) { - vsetc(&ret.type, r, &ret.c); - vtop->r2 = ret.r2; /* Loop only happens when r2 is VT_CONST */ - } - - /* handle packed struct return */ - if (((s->type.t & VT_BTYPE) == VT_STRUCT) && ret_nregs) { - int addr, offset; -#if defined(TCC_TARGET_X86_64) && !defined(TCC_TARGET_PE) - int i; -#endif - - - size = type_size(&s->type, &align); - /* We're writing whole regs often, make sure there's enough - space. Assume register size is power of 2. */ - if (regsize > align) - align = regsize; - loc = (loc - size) & -align; - addr = loc; -#if defined(TCC_TARGET_X86_64) && !defined(TCC_TARGET_PE) - for (i=0; itype, VT_LOCAL | VT_LVAL, addr); - } - } else { - break; - } - } -} - -ST_FUNC void expr_prod(void) -{ - int t; - - unary(); - while (tok == '*' || tok == '/' || tok == '%') { - t = tok; - next(); - unary(); - gen_op(t); - } -} - -ST_FUNC void expr_sum(void) -{ - int t; - - expr_prod(); - while (tok == '+' || tok == '-') { - t = tok; - next(); - expr_prod(); - gen_op(t); - } -} - -static void expr_shift(void) -{ - int t; - - expr_sum(); - while (tok == TOK_SHL || tok == TOK_SAR) { - t = tok; - next(); - expr_sum(); - gen_op(t); - } -} - -static void expr_cmp(void) -{ - int t; - - expr_shift(); - while ((tok >= TOK_ULE && tok <= TOK_GT) || - tok == TOK_ULT || tok == TOK_UGE) { - t = tok; - next(); - expr_shift(); - gen_op(t); - } -} - -static void expr_cmpeq(void) -{ - int t; - - expr_cmp(); - while (tok == TOK_EQ || tok == TOK_NE) { - t = tok; - next(); - expr_cmp(); - gen_op(t); - } -} - -static void expr_and(void) -{ - expr_cmpeq(); - while (tok == '&') { - next(); - expr_cmpeq(); - gen_op('&'); - } -} - -static void expr_xor(void) -{ - expr_and(); - while (tok == '^') { - next(); - expr_and(); - gen_op('^'); - } -} - -static void expr_or(void) -{ - expr_xor(); - while (tok == '|') { - next(); - expr_xor(); - gen_op('|'); - } -} - -/* XXX: fix this mess */ -static void expr_land_const(void) -{ - expr_or(); - while (tok == TOK_LAND) { - next(); - expr_or(); - gen_op(TOK_LAND); - } -} - -/* XXX: fix this mess */ -static void expr_lor_const(void) -{ - expr_land_const(); - while (tok == TOK_LOR) { - next(); - expr_land_const(); - gen_op(TOK_LOR); - } -} - -/* only used if non constant */ -static void expr_land(void) -{ - int t; - - expr_or(); - if (tok == TOK_LAND) { - t = 0; - save_regs(1); - for(;;) { - t = gvtst(1, t); - if (tok != TOK_LAND) { - vseti(VT_JMPI, t); - break; - } - next(); - expr_or(); - } - } -} - -static void expr_lor(void) -{ - int t; - - expr_land(); - if (tok == TOK_LOR) { - t = 0; - save_regs(1); - for(;;) { - t = gvtst(0, t); - if (tok != TOK_LOR) { - vseti(VT_JMP, t); - break; - } - next(); - expr_land(); - } - } -} - -/* XXX: better constant handling */ -static void expr_cond(void) -{ - int tt, u, r1, r2, rc, t1, t2, bt1, bt2; - SValue sv; - CType type, type1, type2; - - if (const_wanted) { - expr_lor_const(); - if (tok == '?') { - CType boolean; - int c; - boolean.t = VT_BOOL; - vdup(); - gen_cast(&boolean); - c = vtop->c.i; - vpop(); - next(); - if (tok != ':' || !gnu_ext) { - vpop(); - gexpr(); - } - if (!c) - vpop(); - skip(':'); - expr_cond(); - if (c) - vpop(); - } - } else { - expr_lor(); - if (tok == '?') { - next(); - if (vtop != vstack) { - /* needed to avoid having different registers saved in - each branch */ - if (is_float(vtop->type.t)) { - rc = RC_FLOAT; -#ifdef TCC_TARGET_X86_64 - if ((vtop->type.t & VT_BTYPE) == VT_LDOUBLE) { - rc = RC_ST0; - } -#endif - } - else - rc = RC_INT; - gv(rc); - save_regs(1); - } - if (tok == ':' && gnu_ext) { - gv_dup(); - tt = gvtst(1, 0); - } else { - tt = gvtst(1, 0); - gexpr(); - } - type1 = vtop->type; - sv = *vtop; /* save value to handle it later */ - vtop--; /* no vpop so that FP stack is not flushed */ - skip(':'); - u = gjmp(0); - gsym(tt); - expr_cond(); - type2 = vtop->type; - - t1 = type1.t; - bt1 = t1 & VT_BTYPE; - t2 = type2.t; - bt2 = t2 & VT_BTYPE; - /* cast operands to correct type according to ISOC rules */ - if (is_float(bt1) || is_float(bt2)) { - if (bt1 == VT_LDOUBLE || bt2 == VT_LDOUBLE) { - type.t = VT_LDOUBLE; - } else if (bt1 == VT_DOUBLE || bt2 == VT_DOUBLE) { - type.t = VT_DOUBLE; - } else { - type.t = VT_FLOAT; - } - } else if (bt1 == VT_LLONG || bt2 == VT_LLONG) { - /* cast to biggest op */ - type.t = VT_LLONG; - /* convert to unsigned if it does not fit in a long long */ - if ((t1 & (VT_BTYPE | VT_UNSIGNED)) == (VT_LLONG | VT_UNSIGNED) || - (t2 & (VT_BTYPE | VT_UNSIGNED)) == (VT_LLONG | VT_UNSIGNED)) - type.t |= VT_UNSIGNED; - } else if (bt1 == VT_PTR || bt2 == VT_PTR) { - /* If one is a null ptr constant the result type - is the other. */ - if (is_null_pointer (vtop)) - type = type1; - else if (is_null_pointer (&sv)) - type = type2; - /* XXX: test pointer compatibility, C99 has more elaborate - rules here. */ - else - type = type1; - } else if (bt1 == VT_FUNC || bt2 == VT_FUNC) { - /* XXX: test function pointer compatibility */ - type = bt1 == VT_FUNC ? type1 : type2; - } else if (bt1 == VT_STRUCT || bt2 == VT_STRUCT) { - /* XXX: test structure compatibility */ - type = bt1 == VT_STRUCT ? type1 : type2; - } else if (bt1 == VT_VOID || bt2 == VT_VOID) { - /* NOTE: as an extension, we accept void on only one side */ - type.t = VT_VOID; - } else { - /* integer operations */ - type.t = VT_INT; - /* convert to unsigned if it does not fit in an integer */ - if ((t1 & (VT_BTYPE | VT_UNSIGNED)) == (VT_INT | VT_UNSIGNED) || - (t2 & (VT_BTYPE | VT_UNSIGNED)) == (VT_INT | VT_UNSIGNED)) - type.t |= VT_UNSIGNED; - } - - /* now we convert second operand */ - gen_cast(&type); - if (VT_STRUCT == (vtop->type.t & VT_BTYPE)) - gaddrof(); - rc = RC_INT; - if (is_float(type.t)) { - rc = RC_FLOAT; -#ifdef TCC_TARGET_X86_64 - if ((type.t & VT_BTYPE) == VT_LDOUBLE) { - rc = RC_ST0; - } -#endif - } else if ((type.t & VT_BTYPE) == VT_LLONG) { - /* for long longs, we use fixed registers to avoid having - to handle a complicated move */ - rc = RC_IRET; - } - - r2 = gv(rc); - /* this is horrible, but we must also convert first - operand */ - tt = gjmp(0); - gsym(u); - /* put again first value and cast it */ - *vtop = sv; - gen_cast(&type); - if (VT_STRUCT == (vtop->type.t & VT_BTYPE)) - gaddrof(); - r1 = gv(rc); - move_reg(r2, r1, type.t); - vtop->r = r2; - gsym(tt); - } - } -} - -static void expr_eq(void) -{ - int t; - - expr_cond(); - if (tok == '=' || - (tok >= TOK_A_MOD && tok <= TOK_A_DIV) || - tok == TOK_A_XOR || tok == TOK_A_OR || - tok == TOK_A_SHL || tok == TOK_A_SAR) { - test_lvalue(); - t = tok; - next(); - if (t == '=') { - expr_eq(); - } else { - vdup(); - expr_eq(); - gen_op(t & 0x7f); - } - vstore(); - } -} - -ST_FUNC void gexpr(void) -{ - while (1) { - expr_eq(); - if (tok != ',') - break; - vpop(); - next(); - } -} - -/* parse an expression and return its type without any side effect. */ -static void expr_type(CType *type) -{ - int saved_nocode_wanted; - - saved_nocode_wanted = nocode_wanted; - nocode_wanted = 1; - gexpr(); - *type = vtop->type; - vpop(); - nocode_wanted = saved_nocode_wanted; -} - -/* parse a unary expression and return its type without any side - effect. */ -static void unary_type(CType *type) -{ - int a; - - a = nocode_wanted; - nocode_wanted = 1; - unary(); - *type = vtop->type; - vpop(); - nocode_wanted = a; -} - -/* parse a constant expression and return value in vtop. */ -static void expr_const1(void) -{ - int a; - a = const_wanted; - const_wanted = 1; - expr_cond(); - const_wanted = a; -} - -/* parse an integer constant and return its value. */ -ST_FUNC int expr_const(void) -{ - int c; - expr_const1(); - if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) != VT_CONST) - expect("constant expression"); - c = vtop->c.i; - vpop(); - return c; -} - -/* return the label token if current token is a label, otherwise - return zero */ -static int is_label(void) -{ - int last_tok; - - /* fast test first */ - if (tok < TOK_UIDENT) - return 0; - /* no need to save tokc because tok is an identifier */ - last_tok = tok; - next(); - if (tok == ':') { - next(); - return last_tok; - } else { - unget_tok(last_tok); - return 0; - } -} - -static void label_or_decl(int l) -{ - int last_tok; - - /* fast test first */ - if (tok >= TOK_UIDENT) { - /* no need to save tokc because tok is an identifier */ - last_tok = tok; - next(); - if (tok == ':') { - unget_tok(last_tok); - return; - } - unget_tok(last_tok); - } - decl(l); -} - -static void block(int *bsym, int *csym, int *case_sym, int *def_sym, - int case_reg, int is_expr) -{ - int a, b, c, d; - Sym *s, *frame_bottom; - - /* generate line number info */ - if (tcc_state->do_debug && - (last_line_num != file->line_num || last_ind != ind)) { - put_stabn(N_SLINE, 0, file->line_num, ind - func_ind); - last_ind = ind; - last_line_num = file->line_num; - } - - if (is_expr) { - /* default return value is (void) */ - vpushi(0); - vtop->type.t = VT_VOID; - } - - if (tok == TOK_IF) { - /* if test */ - next(); - skip('('); - gexpr(); - skip(')'); - a = gvtst(1, 0); - block(bsym, csym, case_sym, def_sym, case_reg, 0); - c = tok; - if (c == TOK_ELSE) { - next(); - d = gjmp(0); - gsym(a); - block(bsym, csym, case_sym, def_sym, case_reg, 0); - gsym(d); /* patch else jmp */ - } else - gsym(a); - } else if (tok == TOK_WHILE) { - next(); - d = ind; - vla_sp_restore(); - skip('('); - gexpr(); - skip(')'); - a = gvtst(1, 0); - b = 0; - block(&a, &b, case_sym, def_sym, case_reg, 0); - gjmp_addr(d); - gsym(a); - gsym_addr(b, d); - } else if (tok == '{') { - Sym *llabel; - int block_vla_sp_loc = vla_sp_loc, saved_vlas_in_scope = vlas_in_scope; - - next(); - /* record local declaration stack position */ - s = local_stack; - frame_bottom = sym_push2(&local_stack, SYM_FIELD, 0, 0); - frame_bottom->next = scope_stack_bottom; - scope_stack_bottom = frame_bottom; - llabel = local_label_stack; - - /* handle local labels declarations */ - if (tok == TOK_LABEL) { - next(); - for(;;) { - if (tok < TOK_UIDENT) - expect("label identifier"); - label_push(&local_label_stack, tok, LABEL_DECLARED); - next(); - if (tok == ',') { - next(); - } else { - skip(';'); - break; - } - } - } - while (tok != '}') { - label_or_decl(VT_LOCAL); - if (tok != '}') { - if (is_expr) - vpop(); - block(bsym, csym, case_sym, def_sym, case_reg, is_expr); - } - } - /* pop locally defined labels */ - label_pop(&local_label_stack, llabel); - if(is_expr) { - /* XXX: this solution makes only valgrind happy... - triggered by gcc.c-torture/execute/20000917-1.c */ - Sym *p; - switch(vtop->type.t & VT_BTYPE) { - /* case VT_PTR: */ - /* this breaks a compilation of the linux kernel v2.4.26 */ - /* pmd_t *new = ({ __asm__ __volatile__("ud2\n") ; ((pmd_t *)1); }); */ - /* Look a commit a80acab: Display error on statement expressions with complex return type */ - /* A pointer is not a complex return type */ - case VT_STRUCT: - case VT_ENUM: - case VT_FUNC: - for(p=vtop->type.ref;p;p=p->prev) - if(p->prev==s) - tcc_error("unsupported expression type"); - } - } - /* pop locally defined symbols */ - scope_stack_bottom = scope_stack_bottom->next; - sym_pop(&local_stack, s); - - /* Pop VLA frames and restore stack pointer if required */ - if (vlas_in_scope > saved_vlas_in_scope) { - vla_sp_loc = saved_vlas_in_scope ? block_vla_sp_loc : vla_sp_root_loc; - vla_sp_restore(); - } - vlas_in_scope = saved_vlas_in_scope; - - next(); - } else if (tok == TOK_RETURN) { - next(); - if (tok != ';') { - gexpr(); - gen_assign_cast(&func_vt); -#ifdef TCC_TARGET_ARM64 - // Perhaps it would be better to use this for all backends: - greturn(); -#else - if ((func_vt.t & VT_BTYPE) == VT_STRUCT) { - CType type, ret_type; - int ret_align, ret_nregs, regsize; - RegArgs args; - - gfunc_sret(&func_vt, func_var, &ret_type, - &ret_align, ®size, &args); - ret_nregs = regargs_nregs(&args); - if (0 == ret_nregs) { - /* if returning structure, must copy it to implicit - first pointer arg location */ - type = func_vt; - mk_pointer(&type); - vset(&type, VT_LOCAL | VT_LVAL, func_vc); - indir(); - vswap(); - /* copy structure value to pointer */ - vstore(); - } else { - /* returning structure packed into registers */ - int r, size, addr, align; -#if defined(TCC_TARGET_X86_64) && !defined(TCC_TARGET_PE) - int i; -#endif - size = type_size(&func_vt,&align); - if ((vtop->r != (VT_LOCAL | VT_LVAL) || (vtop->c.i & (ret_align-1))) - && (align & (ret_align-1))) { - loc = (loc - size) & -ret_align; - addr = loc; - type = func_vt; - vset(&type, VT_LOCAL | VT_LVAL, addr); - vswap(); - vstore(); - vpop(); - vset(&ret_type, VT_LOCAL | VT_LVAL, addr); - } - vtop->type = ret_type; -#if defined(TCC_TARGET_X86_64) && !defined(TCC_TARGET_PE) - for (i=0; ic.i += off; - vtop->type.t = VT_LLONG; - gv(r); - vpop(); - } - for (i=0; ic.i += off; - vtop->type.t = VT_DOUBLE; - gv(r); - vpop(); - } -#else - if (is_float(ret_type.t)) - r = rc_fret(ret_type.t); - else - r = RC_IRET; - - for (;;) { - gv(r); - if (--ret_nregs == 0) - break; - /* We assume that when a structure is returned in multiple - registers, their classes are consecutive values of the - suite s(n) = 2^n */ - r <<= 1; - vtop->c.i += regsize; - vtop->r = VT_LOCAL | VT_LVAL; - } -#endif - } - } else if (is_float(func_vt.t)) { - gv(rc_fret(func_vt.t)); - } else { - gv(RC_IRET); - } -#endif - vtop--; /* NOT vpop() because on x86 it would flush the fp stack */ - } - skip(';'); - rsym = gjmp(rsym); /* jmp */ - } else if (tok == TOK_BREAK) { - /* compute jump */ - if (!bsym) - tcc_error("cannot break"); - *bsym = gjmp(*bsym); - next(); - skip(';'); - } else if (tok == TOK_CONTINUE) { - /* compute jump */ - if (!csym) - tcc_error("cannot continue"); - vla_sp_restore_root(); - *csym = gjmp(*csym); - next(); - skip(';'); - } else if (tok == TOK_FOR) { - int e; - next(); - skip('('); - s = local_stack; - frame_bottom = sym_push2(&local_stack, SYM_FIELD, 0, 0); - frame_bottom->next = scope_stack_bottom; - scope_stack_bottom = frame_bottom; - if (tok != ';') { - /* c99 for-loop init decl? */ - if (!decl0(VT_LOCAL, 1)) { - /* no, regular for-loop init expr */ - gexpr(); - vpop(); - } - } - skip(';'); - d = ind; - c = ind; - vla_sp_restore(); - a = 0; - b = 0; - if (tok != ';') { - gexpr(); - a = gvtst(1, 0); - } - skip(';'); - if (tok != ')') { - e = gjmp(0); - c = ind; - vla_sp_restore(); - gexpr(); - vpop(); - gjmp_addr(d); - gsym(e); - } - skip(')'); - block(&a, &b, case_sym, def_sym, case_reg, 0); - gjmp_addr(c); - gsym(a); - gsym_addr(b, c); - scope_stack_bottom = scope_stack_bottom->next; - sym_pop(&local_stack, s); - } else - if (tok == TOK_DO) { - next(); - a = 0; - b = 0; - d = ind; - vla_sp_restore(); - block(&a, &b, case_sym, def_sym, case_reg, 0); - skip(TOK_WHILE); - skip('('); - gsym(b); - gexpr(); - c = gvtst(0, 0); - gsym_addr(c, d); - skip(')'); - gsym(a); - skip(';'); - } else - if (tok == TOK_SWITCH) { - next(); - skip('('); - gexpr(); - /* XXX: other types than integer */ - case_reg = gv(RC_INT); - vpop(); - skip(')'); - a = 0; - b = gjmp(0); /* jump to first case */ - c = 0; - block(&a, csym, &b, &c, case_reg, 0); - /* if no default, jmp after switch */ - if (c == 0) - c = ind; - /* default label */ - gsym_addr(b, c); - /* break label */ - gsym(a); - } else - if (tok == TOK_CASE) { - int v1, v2; - if (!case_sym) - expect("switch"); - next(); - v1 = expr_const(); - v2 = v1; - if (gnu_ext && tok == TOK_DOTS) { - next(); - v2 = expr_const(); - if (v2 < v1) - tcc_warning("empty case range"); - } - /* since a case is like a label, we must skip it with a jmp */ - b = gjmp(0); - gsym(*case_sym); - vseti(case_reg, 0); - vdup(); - vpushi(v1); - if (v1 == v2) { - gen_op(TOK_EQ); - *case_sym = gtst(1, 0); - } else { - gen_op(TOK_GE); - *case_sym = gtst(1, 0); - vseti(case_reg, 0); - vpushi(v2); - gen_op(TOK_LE); - *case_sym = gtst(1, *case_sym); - } - case_reg = gv(RC_INT); - vpop(); - gsym(b); - skip(':'); - is_expr = 0; - goto block_after_label; - } else - if (tok == TOK_DEFAULT) { - next(); - skip(':'); - if (!def_sym) - expect("switch"); - if (*def_sym) - tcc_error("too many 'default'"); - *def_sym = ind; - is_expr = 0; - goto block_after_label; - } else - if (tok == TOK_GOTO) { - next(); - if (tok == '*' && gnu_ext) { - /* computed goto */ - next(); - gexpr(); - if ((vtop->type.t & VT_BTYPE) != VT_PTR) - expect("pointer"); - ggoto(); - } else if (tok >= TOK_UIDENT) { - s = label_find(tok); - /* put forward definition if needed */ - if (!s) { - s = label_push(&global_label_stack, tok, LABEL_FORWARD); - } else { - if (s->r == LABEL_DECLARED) - s->r = LABEL_FORWARD; - } - vla_sp_restore_root(); - if (s->r & LABEL_FORWARD) - s->jnext = gjmp(s->jnext); - else - gjmp_addr(s->jnext); - next(); - } else { - expect("label identifier"); - } - skip(';'); - } else if (tok == TOK_ASM1 || tok == TOK_ASM2 || tok == TOK_ASM3) { - asm_instr(); - } else { - b = is_label(); - if (b) { - /* label case */ - s = label_find(b); - if (s) { - if (s->r == LABEL_DEFINED) - tcc_error("duplicate label '%s'", get_tok_str(s->v, NULL)); - gsym(s->jnext); - s->r = LABEL_DEFINED; - } else { - s = label_push(&global_label_stack, b, LABEL_DEFINED); - } - s->jnext = ind; - vla_sp_restore(); - /* we accept this, but it is a mistake */ - block_after_label: - if (tok == '}') { - tcc_warning("deprecated use of label at end of compound statement"); - } else { - if (is_expr) - vpop(); - block(bsym, csym, case_sym, def_sym, case_reg, is_expr); - } - } else { - /* expression case */ - if (tok != ';') { - if (is_expr) { - vpop(); - gexpr(); - } else { - gexpr(); - vpop(); - } - } - skip(';'); - } - } -} - -/* t is the array or struct type. c is the array or struct - address. cur_index/cur_field is the pointer to the current - value. 'size_only' is true if only size info is needed (only used - in arrays) */ -static void decl_designator(CType *type, Section *sec, unsigned long c, - int *cur_index, Sym **cur_field, - int size_only) -{ - Sym *s, *f; - int notfirst, index, index_last, align, l, nb_elems, elem_size; - CType type1; - - notfirst = 0; - elem_size = 0; - nb_elems = 1; - if (gnu_ext && (l = is_label()) != 0) - goto struct_field; - while (tok == '[' || tok == '.') { - if (tok == '[') { - if (!(type->t & VT_ARRAY)) - expect("array type"); - s = type->ref; - next(); - index = expr_const(); - if (index < 0 || (s->c >= 0 && index >= s->c)) - expect("invalid index"); - if (tok == TOK_DOTS && gnu_ext) { - next(); - index_last = expr_const(); - if (index_last < 0 || - (s->c >= 0 && index_last >= s->c) || - index_last < index) - expect("invalid index"); - } else { - index_last = index; - } - skip(']'); - if (!notfirst) - *cur_index = index_last; - type = pointed_type(type); - elem_size = type_size(type, &align); - c += index * elem_size; - /* NOTE: we only support ranges for last designator */ - nb_elems = index_last - index + 1; - if (nb_elems != 1) { - notfirst = 1; - break; - } - } else { - next(); - l = tok; - next(); - struct_field: - if ((type->t & VT_BTYPE) != VT_STRUCT) - expect("struct/union type"); - s = type->ref; - l |= SYM_FIELD; - f = s->next; - while (f) { - if (f->v == l) - break; - f = f->next; - } - if (!f) - expect("field"); - if (!notfirst) - *cur_field = f; - /* XXX: fix this mess by using explicit storage field */ - type1 = f->type; - type1.t |= (type->t & ~VT_TYPE); - type = &type1; - c += f->c; - } - notfirst = 1; - } - if (notfirst) { - if (tok == '=') { - next(); - } else { - if (!gnu_ext) - expect("="); - } - } else { - if (type->t & VT_ARRAY) { - index = *cur_index; - type = pointed_type(type); - c += index * type_size(type, &align); - } else { - f = *cur_field; - if (!f) - tcc_error("too many field init"); - /* XXX: fix this mess by using explicit storage field */ - type1 = f->type; - type1.t |= (type->t & ~VT_TYPE); - type = &type1; - c += f->c; - } - } - decl_initializer(type, sec, c, 0, size_only); - - /* XXX: make it more general */ - if (!size_only && nb_elems > 1) { - unsigned long c_end; - uint8_t *src, *dst; - int i; - - if (!sec) - tcc_error("range init not supported yet for dynamic storage"); - c_end = c + nb_elems * elem_size; - if (c_end > sec->data_allocated) - section_realloc(sec, c_end); - src = sec->data + c; - dst = src; - for(i = 1; i < nb_elems; i++) { - dst += elem_size; - memcpy(dst, src, elem_size); - } - } -} - -#define EXPR_VAL 0 -#define EXPR_CONST 1 -#define EXPR_ANY 2 - -/* store a value or an expression directly in global data or in local array */ -static void init_putv(CType *type, Section *sec, unsigned long c, - int v, int expr_type) -{ - int saved_global_expr, bt, bit_pos, bit_size; - void *ptr; - unsigned long long bit_mask; - CType dtype; - - switch(expr_type) { - case EXPR_VAL: - vpushi(v); - break; - case EXPR_CONST: - /* compound literals must be allocated globally in this case */ - saved_global_expr = global_expr; - global_expr = 1; - expr_const1(); - global_expr = saved_global_expr; - /* NOTE: symbols are accepted */ - if ((vtop->r & (VT_VALMASK | VT_LVAL)) != VT_CONST) - tcc_error("initializer element is not constant"); - break; - case EXPR_ANY: - expr_eq(); - break; - } - - dtype = *type; - dtype.t &= ~VT_CONSTANT; /* need to do that to avoid false warning */ - - if (sec) { - /* XXX: not portable */ - /* XXX: generate error if incorrect relocation */ - gen_assign_cast(&dtype); - bt = type->t & VT_BTYPE; - /* we'll write at most 16 bytes */ - if (c + 16 > sec->data_allocated) { - section_realloc(sec, c + 16); - } - ptr = sec->data + c; - /* XXX: make code faster ? */ - if (!(type->t & VT_BITFIELD)) { - bit_pos = 0; - bit_size = 32; - bit_mask = -1LL; - } else { - bit_pos = (vtop->type.t >> VT_STRUCT_SHIFT) & 0x3f; - bit_size = (vtop->type.t >> (VT_STRUCT_SHIFT + 6)) & 0x3f; - bit_mask = (1LL << bit_size) - 1; - } - if ((vtop->r & VT_SYM) && - (bt == VT_BYTE || - bt == VT_SHORT || - bt == VT_DOUBLE || - bt == VT_LDOUBLE || - bt == VT_LLONG || - (bt == VT_INT && bit_size != 32))) - tcc_error("initializer element is not computable at load time"); - switch(bt) { - /* XXX: when cross-compiling we assume that each type has the - same representation on host and target, which is likely to - be wrong in the case of long double */ - case VT_BOOL: - vtop->c.i = (vtop->c.i != 0); - case VT_BYTE: - *(char *)ptr |= (vtop->c.i & bit_mask) << bit_pos; - break; - case VT_SHORT: - *(short *)ptr |= (vtop->c.i & bit_mask) << bit_pos; - break; - case VT_DOUBLE: - *(double *)ptr = vtop->c.d; - break; - case VT_LDOUBLE: - *(long double *)ptr = vtop->c.ld; - break; - case VT_LLONG: - *(long long *)ptr |= (vtop->c.ll & bit_mask) << bit_pos; - break; - case VT_PTR: { - addr_t val = (vtop->c.ptr_offset & bit_mask) << bit_pos; -#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) - if (vtop->r & VT_SYM) - greloca(sec, vtop->sym, c, R_DATA_PTR, val); - else - *(addr_t *)ptr |= val; -#else - if (vtop->r & VT_SYM) - greloc(sec, vtop->sym, c, R_DATA_PTR); - *(addr_t *)ptr |= val; -#endif - break; - } - default: { - int val = (vtop->c.i & bit_mask) << bit_pos; -#if defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64) - if (vtop->r & VT_SYM) - greloca(sec, vtop->sym, c, R_DATA_PTR, val); - else - *(int *)ptr |= val; -#else - if (vtop->r & VT_SYM) - greloc(sec, vtop->sym, c, R_DATA_PTR); - *(int *)ptr |= val; -#endif - break; - } - } - vtop--; - } else { - vset(&dtype, VT_LOCAL|VT_LVAL, c); - vswap(); - vstore(); - vpop(); - } -} - -/* put zeros for variable based init */ -static void init_putz(CType *t, Section *sec, unsigned long c, int size) -{ - if (sec) { - /* nothing to do because globals are already set to zero */ - } else { - vpush_global_sym(&func_old_type, TOK_memset); - vseti(VT_LOCAL, c); -#ifdef TCC_TARGET_ARM - vpushs(size); - vpushi(0); -#else - vpushi(0); - vpushs(size); -#endif - gfunc_call(3); - } -} - -/* 't' contains the type and storage info. 'c' is the offset of the - object in section 'sec'. If 'sec' is NULL, it means stack based - allocation. 'first' is true if array '{' must be read (multi - dimension implicit array init handling). 'size_only' is true if - size only evaluation is wanted (only for arrays). */ -static void decl_initializer(CType *type, Section *sec, unsigned long c, - int first, int size_only) -{ - int index, array_length, n, no_oblock, nb, parlevel, parlevel1, i; - int size1, align1, expr_type; - Sym *s, *f; - CType *t1; - - if (type->t & VT_VLA) { - int a; - - /* save current stack pointer */ - if (vlas_in_scope == 0) { - if (vla_sp_root_loc == -1) - vla_sp_root_loc = (loc -= PTR_SIZE); - gen_vla_sp_save(vla_sp_root_loc); - } - - vla_runtime_type_size(type, &a); - gen_vla_alloc(type, a); - gen_vla_sp_save(c); - vla_sp_loc = c; - vlas_in_scope++; - } else if (type->t & VT_ARRAY) { - s = type->ref; - n = s->c; - array_length = 0; - t1 = pointed_type(type); - size1 = type_size(t1, &align1); - - no_oblock = 1; - if ((first && tok != TOK_LSTR && tok != TOK_STR) || - tok == '{') { - if (tok != '{') - tcc_error("character array initializer must be a literal," - " optionally enclosed in braces"); - skip('{'); - no_oblock = 0; - } - - /* only parse strings here if correct type (otherwise: handle - them as ((w)char *) expressions */ - if ((tok == TOK_LSTR && -#ifdef TCC_TARGET_PE - (t1->t & VT_BTYPE) == VT_SHORT && (t1->t & VT_UNSIGNED) -#else - (t1->t & VT_BTYPE) == VT_INT -#endif - ) || (tok == TOK_STR && (t1->t & VT_BTYPE) == VT_BYTE)) { - while (tok == TOK_STR || tok == TOK_LSTR) { - int cstr_len, ch; - CString *cstr; - - cstr = tokc.cstr; - /* compute maximum number of chars wanted */ - if (tok == TOK_STR) - cstr_len = cstr->size; - else - cstr_len = cstr->size / sizeof(nwchar_t); - cstr_len--; - nb = cstr_len; - if (n >= 0 && nb > (n - array_length)) - nb = n - array_length; - if (!size_only) { - if (cstr_len > nb) - tcc_warning("initializer-string for array is too long"); - /* in order to go faster for common case (char - string in global variable, we handle it - specifically */ - if (sec && tok == TOK_STR && size1 == 1) { - memcpy(sec->data + c + array_length, cstr->data, nb); - } else { - for(i=0;idata)[i]; - else - ch = ((nwchar_t *)cstr->data)[i]; - init_putv(t1, sec, c + (array_length + i) * size1, - ch, EXPR_VAL); - } - } - } - array_length += nb; - next(); - } - /* only add trailing zero if enough storage (no - warning in this case since it is standard) */ - if (n < 0 || array_length < n) { - if (!size_only) { - init_putv(t1, sec, c + (array_length * size1), 0, EXPR_VAL); - } - array_length++; - } - } else { - index = 0; - while (tok != '}') { - decl_designator(type, sec, c, &index, NULL, size_only); - if (n >= 0 && index >= n) - tcc_error("index too large"); - /* must put zero in holes (note that doing it that way - ensures that it even works with designators) */ - if (!size_only && array_length < index) { - init_putz(t1, sec, c + array_length * size1, - (index - array_length) * size1); - } - index++; - if (index > array_length) - array_length = index; - /* special test for multi dimensional arrays (may not - be strictly correct if designators are used at the - same time) */ - if (index >= n && no_oblock) - break; - if (tok == '}') - break; - skip(','); - } - } - if (!no_oblock) - skip('}'); - /* put zeros at the end */ - if (!size_only && n >= 0 && array_length < n) { - init_putz(t1, sec, c + array_length * size1, - (n - array_length) * size1); - } - /* patch type size if needed */ - if (n < 0) - s->c = array_length; - } else if ((type->t & VT_BTYPE) == VT_STRUCT && - (sec || !first || tok == '{')) { - - /* NOTE: the previous test is a specific case for automatic - struct/union init */ - /* XXX: union needs only one init */ - - int par_count = 0; - if (tok == '(') { - AttributeDef ad1; - CType type1; - next(); - if (tcc_state->old_struct_init_code) { - /* an old version of struct initialization. - It have a problems. But with a new version - linux 2.4.26 can't load ramdisk. - */ - while (tok == '(') { - par_count++; - next(); - } - if (!parse_btype(&type1, &ad1)) - expect("cast"); - type_decl(&type1, &ad1, &n, TYPE_ABSTRACT); - #if 0 - if (!is_assignable_types(type, &type1)) - tcc_error("invalid type for cast"); - #endif - skip(')'); - } - else - { - if (tok != '(') { - if (!parse_btype(&type1, &ad1)) - expect("cast"); - type_decl(&type1, &ad1, &n, TYPE_ABSTRACT); - #if 0 - if (!is_assignable_types(type, &type1)) - tcc_error("invalid type for cast"); - #endif - skip(')'); - } else - unget_tok(tok); - } - } - - no_oblock = 1; - if (first || tok == '{') { - skip('{'); - no_oblock = 0; - } - s = type->ref; - f = s->next; - array_length = 0; - index = 0; - n = s->c; - while (tok != '}') { - decl_designator(type, sec, c, NULL, &f, size_only); - index = f->c; - if (!size_only && array_length < index) { - init_putz(type, sec, c + array_length, - index - array_length); - } - index = index + type_size(&f->type, &align1); - if (index > array_length) - array_length = index; - - /* gr: skip fields from same union - ugly. */ - while (f->next) { - int align = 0; - int f_size = type_size(&f->type, &align); - int f_type = (f->type.t & VT_BTYPE); - - ///printf("index: %2d %08x -- %2d %08x\n", f->c, f->type.t, f->next->c, f->next->type.t); - /* test for same offset */ - if (f->next->c != f->c) - break; - if ((f_type == VT_STRUCT) && (f_size == 0)) { - /* - Lets assume a structure of size 0 can't be a member of the union. - This allow to compile the following code from a linux kernel v2.4.26 - typedef struct { } rwlock_t; - struct fs_struct { - int count; - rwlock_t lock; - int umask; - }; - struct fs_struct init_fs = { { (1) }, (rwlock_t) {}, 0022, }; - tcc-0.9.23 can succesfully compile this version of the kernel. - gcc don't have problems with this code too. - */ - break; - } - /* if yes, test for bitfield shift */ - if ((f->type.t & VT_BITFIELD) && (f->next->type.t & VT_BITFIELD)) { - int bit_pos_1 = (f->type.t >> VT_STRUCT_SHIFT) & 0x3f; - int bit_pos_2 = (f->next->type.t >> VT_STRUCT_SHIFT) & 0x3f; - //printf("bitfield %d %d\n", bit_pos_1, bit_pos_2); - if (bit_pos_1 != bit_pos_2) - break; - } - f = f->next; - } - - f = f->next; - if (no_oblock && f == NULL) - break; - if (tok == '}') - break; - skip(','); - } - /* put zeros at the end */ - if (!size_only && array_length < n) { - init_putz(type, sec, c + array_length, - n - array_length); - } - if (!no_oblock) - skip('}'); - while (par_count) { - skip(')'); - par_count--; - } - } else if (tok == '{') { - next(); - decl_initializer(type, sec, c, first, size_only); - skip('}'); - } else if (size_only) { - /* just skip expression */ - parlevel = parlevel1 = 0; - while ((parlevel > 0 || parlevel1 > 0 || - (tok != '}' && tok != ',')) && tok != -1) { - if (tok == '(') - parlevel++; - else if (tok == ')') { - if (parlevel == 0 && parlevel1 == 0) - break; - parlevel--; - } - else if (tok == '{') - parlevel1++; - else if (tok == '}') { - if (parlevel == 0 && parlevel1 == 0) - break; - parlevel1--; - } - next(); - } - } else { - /* currently, we always use constant expression for globals - (may change for scripting case) */ - expr_type = EXPR_CONST; - if (!sec) - expr_type = EXPR_ANY; - init_putv(type, sec, c, 0, expr_type); - } -} - -/* parse an initializer for type 't' if 'has_init' is non zero, and - allocate space in local or global data space ('r' is either - VT_LOCAL or VT_CONST). If 'v' is non zero, then an associated - variable 'v' with an associated name represented by 'asm_label' of - scope 'scope' is declared before initializers are parsed. If 'v' is - zero, then a reference to the new object is put in the value stack. - If 'has_init' is 2, a special parsing is done to handle string - constants. */ -static void decl_initializer_alloc(CType *type, AttributeDef *ad, int r, - int has_init, int v, char *asm_label, - int scope) -{ - int size, align, addr, data_offset; - int level; - ParseState saved_parse_state = {0}; - TokenString init_str; - Section *sec; - Sym *flexible_array; - - flexible_array = NULL; - if ((type->t & VT_BTYPE) == VT_STRUCT) { - Sym *field = type->ref->next; - if (field) { - while (field->next) - field = field->next; - if (field->type.t & VT_ARRAY && field->type.ref->c < 0) - flexible_array = field; - } - } - - size = type_size(type, &align); - /* If unknown size, we must evaluate it before - evaluating initializers because - initializers can generate global data too - (e.g. string pointers or ISOC99 compound - literals). It also simplifies local - initializers handling */ - tok_str_new(&init_str); - if (size < 0 || (flexible_array && has_init)) { - if (!has_init) - tcc_error("unknown type size"); - /* get all init string */ - if (has_init == 2) { - /* only get strings */ - while (tok == TOK_STR || tok == TOK_LSTR) { - tok_str_add_tok(&init_str); - next(); - } - } else { - level = 0; - while (level > 0 || (tok != ',' && tok != ';')) { - if (tok < 0) - tcc_error("unexpected end of file in initializer"); - tok_str_add_tok(&init_str); - if (tok == '{') - level++; - else if (tok == '}') { - level--; - if (level <= 0) { - next(); - break; - } - } - next(); - } - } - tok_str_add(&init_str, -1); - tok_str_add(&init_str, 0); - - /* compute size */ - save_parse_state(&saved_parse_state); - - begin_macro(&init_str, 0); - next(); - decl_initializer(type, NULL, 0, 1, 1); - /* prepare second initializer parsing */ - macro_ptr = init_str.str; - next(); - - /* if still unknown size, error */ - size = type_size(type, &align); - if (size < 0) - tcc_error("unknown type size"); - } - if (flexible_array) - size += flexible_array->type.ref->c * pointed_size(&flexible_array->type); - /* take into account specified alignment if bigger */ - if (ad->a.aligned) { - if (ad->a.aligned > align) - align = ad->a.aligned; - } else if (ad->a.packed) { - align = 1; - } - if ((r & VT_VALMASK) == VT_LOCAL) { - sec = NULL; -#ifdef CONFIG_TCC_BCHECK - if (tcc_state->do_bounds_check && (type->t & VT_ARRAY)) { - loc--; - } -#endif - loc = (loc - size) & -align; - addr = loc; -#ifdef CONFIG_TCC_BCHECK - /* handles bounds */ - /* XXX: currently, since we do only one pass, we cannot track - '&' operators, so we add only arrays */ - if (tcc_state->do_bounds_check && (type->t & VT_ARRAY)) { - addr_t *bounds_ptr; - /* add padding between regions */ - loc--; - /* then add local bound info */ - bounds_ptr = section_ptr_add(lbounds_section, 2 * sizeof(addr_t)); - bounds_ptr[0] = addr; - bounds_ptr[1] = size; - } -#endif - if (v) { - /* local variable */ - sym_push(v, type, r, addr); - } else { - /* push local reference */ - vset(type, r, addr); - } - } else { - Sym *sym; - - sym = NULL; - if (v && scope == VT_CONST) { - /* see if the symbol was already defined */ - sym = sym_find(v); - if (sym) { - if (!is_compatible_types(&sym->type, type)) - tcc_error("incompatible types for redefinition of '%s'", - get_tok_str(v, NULL)); - if (sym->type.t & VT_EXTERN) { - /* if the variable is extern, it was not allocated */ - sym->type.t &= ~VT_EXTERN; - /* set array size if it was omitted in extern - declaration */ - if ((sym->type.t & VT_ARRAY) && - sym->type.ref->c < 0 && - type->ref->c >= 0) - sym->type.ref->c = type->ref->c; - } else { - /* we accept several definitions of the same - global variable. this is tricky, because we - must play with the SHN_COMMON type of the symbol */ - /* XXX: should check if the variable was already - initialized. It is incorrect to initialized it - twice */ - /* no init data, we won't add more to the symbol */ - if (!has_init) - goto no_alloc; - } - } - } - - /* allocate symbol in corresponding section */ - sec = ad->section; - if (!sec) { - if (has_init) - sec = data_section; - else if (tcc_state->nocommon) - sec = bss_section; - } - if (sec) { - data_offset = sec->data_offset; - data_offset = (data_offset + align - 1) & -align; - addr = data_offset; - /* very important to increment global pointer at this time - because initializers themselves can create new initializers */ - data_offset += size; -#ifdef CONFIG_TCC_BCHECK - /* add padding if bound check */ - if (tcc_state->do_bounds_check) - data_offset++; -#endif - sec->data_offset = data_offset; - /* allocate section space to put the data */ - if (sec->sh_type != SHT_NOBITS && - data_offset > sec->data_allocated) - section_realloc(sec, data_offset); - /* align section if needed */ - if (align > sec->sh_addralign) - sec->sh_addralign = align; - } else { - addr = 0; /* avoid warning */ - } - - if (v) { - if (scope != VT_CONST || !sym) { - sym = sym_push(v, type, r | VT_SYM, 0); - sym->asm_label = asm_label; - } - /* update symbol definition */ - if (sec) { - put_extern_sym(sym, sec, addr, size); - } else { - ElfW(Sym) *esym; - /* put a common area */ - put_extern_sym(sym, NULL, align, size); - /* XXX: find a nicer way */ - esym = &((ElfW(Sym) *)symtab_section->data)[sym->c]; - esym->st_shndx = SHN_COMMON; - } - } else { - /* push global reference */ - sym = get_sym_ref(type, sec, addr, size); - vpushsym(type, sym); - } - /* patch symbol weakness */ - if (type->t & VT_WEAK) - weaken_symbol(sym); - apply_visibility(sym, type); -#ifdef CONFIG_TCC_BCHECK - /* handles bounds now because the symbol must be defined - before for the relocation */ - if (tcc_state->do_bounds_check) { - addr_t *bounds_ptr; - - greloc(bounds_section, sym, bounds_section->data_offset, R_DATA_PTR); - /* then add global bound info */ - bounds_ptr = section_ptr_add(bounds_section, 2 * sizeof(addr_t)); - bounds_ptr[0] = 0; /* relocated */ - bounds_ptr[1] = size; - } -#endif - } - if (has_init || (type->t & VT_VLA)) { - decl_initializer(type, sec, addr, 1, 0); - /* restore parse state if needed */ - if (init_str.str) { - end_macro(); - restore_parse_state(&saved_parse_state); - } - /* patch flexible array member size back to -1, */ - /* for possible subsequent similar declarations */ - if (flexible_array) - flexible_array->type.ref->c = -1; - } - no_alloc: ; -} - -static void put_func_debug(Sym *sym) -{ - char buf[512]; - - /* stabs info */ - /* XXX: we put here a dummy type */ - snprintf(buf, sizeof(buf), "%s:%c1", - funcname, sym->type.t & VT_STATIC ? 'f' : 'F'); - put_stabs_r(buf, N_FUN, 0, file->line_num, 0, - cur_text_section, sym->c); - /* //gr gdb wants a line at the function */ - put_stabn(N_SLINE, 0, file->line_num, 0); - last_ind = 0; - last_line_num = 0; -} - -/* parse an old style function declaration list */ -/* XXX: check multiple parameter */ -static void func_decl_list(Sym *func_sym) -{ - AttributeDef ad; - int v; - Sym *s; - CType btype, type; - - /* parse each declaration */ - while (tok != '{' && tok != ';' && tok != ',' && tok != TOK_EOF && - tok != TOK_ASM1 && tok != TOK_ASM2 && tok != TOK_ASM3) { - if (!parse_btype(&btype, &ad)) - expect("declaration list"); - if (((btype.t & VT_BTYPE) == VT_ENUM || - (btype.t & VT_BTYPE) == VT_STRUCT) && - tok == ';') { - /* we accept no variable after */ - } else { - for(;;) { - type = btype; - type_decl(&type, &ad, &v, TYPE_DIRECT); - /* find parameter in function parameter list */ - s = func_sym->next; - while (s != NULL) { - if ((s->v & ~SYM_FIELD) == v) - goto found; - s = s->next; - } - tcc_error("declaration for parameter '%s' but no such parameter", - get_tok_str(v, NULL)); - found: - /* check that no storage specifier except 'register' was given */ - if (type.t & VT_STORAGE) - tcc_error("storage class specified for '%s'", get_tok_str(v, NULL)); - convert_parameter_type(&type); - /* we can add the type (NOTE: it could be local to the function) */ - s->type = type; - /* accept other parameters */ - if (tok == ',') - next(); - else - break; - } - } - skip(';'); - } -} - -/* parse a function defined by symbol 'sym' and generate its code in - 'cur_text_section' */ -static void gen_function(Sym *sym) -{ - int saved_nocode_wanted = nocode_wanted; - - nocode_wanted = 0; - ind = cur_text_section->data_offset; - /* NOTE: we patch the symbol size later */ - put_extern_sym(sym, cur_text_section, ind, 0); - funcname = get_tok_str(sym->v, NULL); - func_ind = ind; - /* Initialize VLA state */ - vla_sp_loc = -1; - vla_sp_root_loc = -1; - /* put debug symbol */ - if (tcc_state->do_debug) - put_func_debug(sym); - /* push a dummy symbol to enable local sym storage */ - sym_push2(&local_stack, SYM_FIELD, 0, 0); - gfunc_prolog(&sym->type); -#ifdef CONFIG_TCC_BCHECK - if (tcc_state->do_bounds_check && !strcmp(funcname, "main")) { - int i; - Sym *sym; - for (i = 0, sym = local_stack; i < 2; i++, sym = sym->prev) { - if (sym->v & SYM_FIELD || sym->prev->v & SYM_FIELD) - break; - vpush_global_sym(&func_old_type, TOK___bound_main_arg); - vset(&sym->type, sym->r, sym->c); - gfunc_call(1); - } - } -#endif - rsym = 0; - block(NULL, NULL, NULL, NULL, 0, 0); - gsym(rsym); - gfunc_epilog(); - cur_text_section->data_offset = ind; - label_pop(&global_label_stack, NULL); - /* reset local stack */ - scope_stack_bottom = NULL; - sym_pop(&local_stack, NULL); - /* end of function */ - /* patch symbol size */ - ((ElfW(Sym) *)symtab_section->data)[sym->c].st_size = - ind - func_ind; - /* patch symbol weakness (this definition overrules any prototype) */ - if (sym->type.t & VT_WEAK) - weaken_symbol(sym); - apply_visibility(sym, &sym->type); - if (tcc_state->do_debug) { - put_stabn(N_FUN, 0, 0, ind - func_ind); - } - /* It's better to crash than to generate wrong code */ - cur_text_section = NULL; - funcname = ""; /* for safety */ - func_vt.t = VT_VOID; /* for safety */ - func_var = 0; /* for safety */ - ind = 0; /* for safety */ - nocode_wanted = saved_nocode_wanted; - check_vstack(); -} - -ST_FUNC void gen_inline_functions(void) -{ - Sym *sym; - int inline_generated, i, ln; - struct InlineFunc *fn; - - ln = file->line_num; - /* iterate while inline function are referenced */ - for(;;) { - inline_generated = 0; - for (i = 0; i < tcc_state->nb_inline_fns; ++i) { - fn = tcc_state->inline_fns[i]; - sym = fn->sym; - if (sym && sym->c) { - /* the function was used: generate its code and - convert it to a normal function */ - fn->sym = NULL; - if (file) - pstrcpy(file->filename, sizeof file->filename, fn->filename); - sym->r = VT_SYM | VT_CONST; - sym->type.t &= ~VT_INLINE; - - begin_macro(&fn->func_str, 0); - next(); - cur_text_section = text_section; - gen_function(sym); - end_macro(); - - inline_generated = 1; - } - } - if (!inline_generated) - break; - } - file->line_num = ln; - /* free tokens of unused inline functions */ - for (i = 0; i < tcc_state->nb_inline_fns; ++i) { - fn = tcc_state->inline_fns[i]; - if (fn->sym) - tok_str_free(fn->func_str.str); - } - dynarray_reset(&tcc_state->inline_fns, &tcc_state->nb_inline_fns); -} - -/* 'l' is VT_LOCAL or VT_CONST to define default storage type */ -static int decl0(int l, int is_for_loop_init) -{ - int v, has_init, r; - CType type, btype; - Sym *sym; - AttributeDef ad; - - while (1) { - if (!parse_btype(&btype, &ad)) { - if (is_for_loop_init) - return 0; - /* skip redundant ';' */ - /* XXX: find more elegant solution */ - if (tok == ';') { - next(); - continue; - } - if (l == VT_CONST && - (tok == TOK_ASM1 || tok == TOK_ASM2 || tok == TOK_ASM3)) { - /* global asm block */ - asm_global_instr(); - continue; - } - /* special test for old K&R protos without explicit int - type. Only accepted when defining global data */ - if (l == VT_LOCAL || tok < TOK_DEFINE) - break; - btype.t = VT_INT; - } - if (((btype.t & VT_BTYPE) == VT_ENUM || - (btype.t & VT_BTYPE) == VT_STRUCT) && - tok == ';') { - if ((btype.t & VT_BTYPE) == VT_STRUCT) { - int v = btype.ref->v; - if (!(v & SYM_FIELD) && (v & ~SYM_STRUCT) >= SYM_FIRST_ANOM) - tcc_warning("unnamed struct/union that defines no instances"); - } - next(); - continue; - } - while (1) { /* iterate thru each declaration */ - char *asm_label; // associated asm label - type = btype; - type_decl(&type, &ad, &v, TYPE_DIRECT); -#if 0 - { - char buf[500]; - type_to_str(buf, sizeof(buf), t, get_tok_str(v, NULL)); - printf("type = '%s'\n", buf); - } -#endif - if ((type.t & VT_BTYPE) == VT_FUNC) { - if ((type.t & VT_STATIC) && (l == VT_LOCAL)) { - tcc_error("function without file scope cannot be static"); - } - /* if old style function prototype, we accept a - declaration list */ - sym = type.ref; - if (sym->c == FUNC_OLD) - func_decl_list(sym); - } - - asm_label = NULL; - if (gnu_ext && (tok == TOK_ASM1 || tok == TOK_ASM2 || tok == TOK_ASM3)) { - CString astr; - - asm_label_instr(&astr); - asm_label = tcc_strdup(astr.data); - cstr_free(&astr); - - /* parse one last attribute list, after asm label */ - parse_attribute(&ad); - } - - if (ad.a.weak) - type.t |= VT_WEAK; -#ifdef TCC_TARGET_PE - if (ad.a.func_import) - type.t |= VT_IMPORT; - if (ad.a.func_export) - type.t |= VT_EXPORT; -#endif - type.t |= ad.a.visibility << VT_VIS_SHIFT; - - if (tok == '{') { - if (l == VT_LOCAL) - tcc_error("cannot use local functions"); - if ((type.t & VT_BTYPE) != VT_FUNC) - expect("function definition"); - - /* reject abstract declarators in function definition */ - sym = type.ref; - while ((sym = sym->next) != NULL) - if (!(sym->v & ~SYM_FIELD)) - expect("identifier"); - - /* XXX: cannot do better now: convert extern line to static inline */ - if ((type.t & (VT_EXTERN | VT_INLINE)) == (VT_EXTERN | VT_INLINE)) - type.t = (type.t & ~VT_EXTERN) | VT_STATIC; - - sym = sym_find(v); - if (sym) { - Sym *ref; - if ((sym->type.t & VT_BTYPE) != VT_FUNC) - goto func_error1; - - ref = sym->type.ref; - if (0 == ref->a.func_proto) - tcc_error("redefinition of '%s'", get_tok_str(v, NULL)); - - /* use func_call from prototype if not defined */ - if (ref->a.func_call != FUNC_CDECL - && type.ref->a.func_call == FUNC_CDECL) - type.ref->a.func_call = ref->a.func_call; - - /* use export from prototype */ - if (ref->a.func_export) - type.ref->a.func_export = 1; - - /* use static from prototype */ - if (sym->type.t & VT_STATIC) - type.t = (type.t & ~VT_EXTERN) | VT_STATIC; - - /* If the definition has no visibility use the - one from prototype. */ - if (! (type.t & VT_VIS_MASK)) - type.t |= sym->type.t & VT_VIS_MASK; - - if (!is_compatible_types(&sym->type, &type)) { - func_error1: - tcc_error("incompatible types for redefinition of '%s'", - get_tok_str(v, NULL)); - } - type.ref->a.func_proto = 0; - /* if symbol is already defined, then put complete type */ - sym->type = type; - } else { - /* put function symbol */ - sym = global_identifier_push(v, type.t, 0); - sym->type.ref = type.ref; - } - - /* static inline functions are just recorded as a kind - of macro. Their code will be emitted at the end of - the compilation unit only if they are used */ - if ((type.t & (VT_INLINE | VT_STATIC)) == - (VT_INLINE | VT_STATIC)) { - int block_level; - struct InlineFunc *fn; - const char *filename; - - filename = file ? file->filename : ""; - fn = tcc_malloc(sizeof *fn + strlen(filename)); - strcpy(fn->filename, filename); - fn->sym = sym; - tok_str_new(&fn->func_str); - - block_level = 0; - for(;;) { - int t; - if (tok == TOK_EOF) - tcc_error("unexpected end of file"); - tok_str_add_tok(&fn->func_str); - t = tok; - next(); - if (t == '{') { - block_level++; - } else if (t == '}') { - block_level--; - if (block_level == 0) - break; - } - } - tok_str_add(&fn->func_str, -1); - tok_str_add(&fn->func_str, 0); - dynarray_add((void ***)&tcc_state->inline_fns, &tcc_state->nb_inline_fns, fn); - - } else { - /* compute text section */ - cur_text_section = ad.section; - if (!cur_text_section) - cur_text_section = text_section; - sym->r = VT_SYM | VT_CONST; - gen_function(sym); - } - break; - } else { - if (btype.t & VT_TYPEDEF) { - /* save typedefed type */ - /* XXX: test storage specifiers ? */ - sym = sym_push(v, &type, 0, 0); - sym->a = ad.a; - sym->type.t |= VT_TYPEDEF; - } else { - r = 0; - if ((type.t & VT_BTYPE) == VT_FUNC) { - /* external function definition */ - /* specific case for func_call attribute */ - ad.a.func_proto = 1; - type.ref->a = ad.a; - } else if (!(type.t & VT_ARRAY)) { - /* not lvalue if array */ - r |= lvalue_type(type.t); - } - has_init = (tok == '='); - if (has_init && (type.t & VT_VLA)) - tcc_error("Variable length array cannot be initialized"); - if ((btype.t & VT_EXTERN) || ((type.t & VT_BTYPE) == VT_FUNC) || - ((type.t & VT_ARRAY) && (type.t & VT_STATIC) && - !has_init && l == VT_CONST && type.ref->c < 0)) { - /* external variable or function */ - /* NOTE: as GCC, uninitialized global static - arrays of null size are considered as - extern */ - sym = external_sym(v, &type, r, asm_label); - - if (ad.alias_target) { - Section tsec; - Elf32_Sym *esym; - Sym *alias_target; - - alias_target = sym_find(ad.alias_target); - if (!alias_target || !alias_target->c) - tcc_error("unsupported forward __alias__ attribute"); - esym = &((Elf32_Sym *)symtab_section->data)[alias_target->c]; - tsec.sh_num = esym->st_shndx; - put_extern_sym2(sym, &tsec, esym->st_value, esym->st_size, 0); - } - } else { - type.t |= (btype.t & VT_STATIC); /* Retain "static". */ - if (type.t & VT_STATIC) - r |= VT_CONST; - else - r |= l; - if (has_init) - next(); - decl_initializer_alloc(&type, &ad, r, has_init, v, asm_label, l); - } - } - if (tok != ',') { - if (is_for_loop_init) - return 1; - skip(';'); - break; - } - next(); - } - ad.a.aligned = 0; - } - } - return 0; -} - -ST_FUNC void decl(int l) -{ - decl0(l, 0); -} diff --git a/src/tcclib.h b/src/tcclib.h deleted file mode 100644 index 13f2204..0000000 --- a/src/tcclib.h +++ /dev/null @@ -1,80 +0,0 @@ -/* Simple libc header for TCC - * - * Add any function you want from the libc there. This file is here - * only for your convenience so that you do not need to put the whole - * glibc include files on your floppy disk - */ -#ifndef _TCCLIB_H -#define _TCCLIB_H - -#include -#include - -/* stdlib.h */ -void *calloc(size_t nmemb, size_t size); -void *malloc(size_t size); -void free(void *ptr); -void *realloc(void *ptr, size_t size); -int atoi(const char *nptr); -long int strtol(const char *nptr, char **endptr, int base); -unsigned long int strtoul(const char *nptr, char **endptr, int base); -void exit(int); - -/* stdio.h */ -typedef struct __FILE FILE; -#define EOF (-1) -extern FILE *stdin; -extern FILE *stdout; -extern FILE *stderr; -FILE *fopen(const char *path, const char *mode); -FILE *fdopen(int fildes, const char *mode); -FILE *freopen(const char *path, const char *mode, FILE *stream); -int fclose(FILE *stream); -size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream); -size_t fwrite(void *ptr, size_t size, size_t nmemb, FILE *stream); -int fgetc(FILE *stream); -char *fgets(char *s, int size, FILE *stream); -int getc(FILE *stream); -int getchar(void); -char *gets(char *s); -int ungetc(int c, FILE *stream); -int fflush(FILE *stream); -int putchar (int c); - -int printf(const char *format, ...); -int fprintf(FILE *stream, const char *format, ...); -int sprintf(char *str, const char *format, ...); -int snprintf(char *str, size_t size, const char *format, ...); -int asprintf(char **strp, const char *format, ...); -int dprintf(int fd, const char *format, ...); -int vprintf(const char *format, va_list ap); -int vfprintf(FILE *stream, const char *format, va_list ap); -int vsprintf(char *str, const char *format, va_list ap); -int vsnprintf(char *str, size_t size, const char *format, va_list ap); -int vasprintf(char **strp, const char *format, va_list ap); -int vdprintf(int fd, const char *format, va_list ap); - -void perror(const char *s); - -/* string.h */ -char *strcat(char *dest, const char *src); -char *strchr(const char *s, int c); -char *strrchr(const char *s, int c); -char *strcpy(char *dest, const char *src); -void *memcpy(void *dest, const void *src, size_t n); -void *memmove(void *dest, const void *src, size_t n); -void *memset(void *s, int c, size_t n); -char *strdup(const char *s); -size_t strlen(const char *s); - -/* dlfcn.h */ -#define RTLD_LAZY 0x001 -#define RTLD_NOW 0x002 -#define RTLD_GLOBAL 0x100 - -void *dlopen(const char *filename, int flag); -const char *dlerror(void); -void *dlsym(void *handle, char *symbol); -int dlclose(void *handle); - -#endif /* _TCCLIB_H */ diff --git a/src/tccpe.c b/src/tccpe.c deleted file mode 100644 index ec2bcb1..0000000 --- a/src/tccpe.c +++ /dev/null @@ -1,1890 +0,0 @@ -/* - * TCCPE.C - PE file output for the Tiny C Compiler - * - * Copyright (c) 2005-2007 grischka - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "tcc.h" - -#ifndef _WIN32 -#define stricmp strcasecmp -#define strnicmp strncasecmp -#endif - -#ifndef MAX_PATH -#define MAX_PATH 260 -#endif - -#define PE_MERGE_DATA -/* #define PE_PRINT_SECTIONS */ - -#ifdef TCC_TARGET_X86_64 -# define ADDR3264 ULONGLONG -# define REL_TYPE_DIRECT R_X86_64_64 -# define R_XXX_THUNKFIX R_X86_64_PC32 -# define R_XXX_RELATIVE R_X86_64_RELATIVE -# define IMAGE_FILE_MACHINE 0x8664 -# define RSRC_RELTYPE 3 - -#elif defined TCC_TARGET_ARM -# define ADDR3264 DWORD -# define REL_TYPE_DIRECT R_ARM_ABS32 -# define R_XXX_THUNKFIX R_ARM_ABS32 -# define R_XXX_RELATIVE R_ARM_RELATIVE -# define IMAGE_FILE_MACHINE 0x01C0 -# define RSRC_RELTYPE 7 /* ??? (not tested) */ - -#elif defined TCC_TARGET_I386 -# define ADDR3264 DWORD -# define REL_TYPE_DIRECT R_386_32 -# define R_XXX_THUNKFIX R_386_32 -# define R_XXX_RELATIVE R_386_RELATIVE -# define IMAGE_FILE_MACHINE 0x014C -# define RSRC_RELTYPE 7 /* DIR32NB */ - -#endif - -#ifdef _WIN32 -void dbg_printf (const char *fmt, ...) -{ - char buffer[4000]; - va_list arg; - int x; - va_start(arg, fmt); - x = vsprintf (buffer, fmt, arg); - strcpy(buffer+x, "\n"); - OutputDebugString(buffer); -} -#endif - -/* ----------------------------------------------------------- */ -#ifndef IMAGE_NT_SIGNATURE -/* ----------------------------------------------------------- */ -/* definitions below are from winnt.h */ - -typedef unsigned char BYTE; -typedef unsigned short WORD; -typedef unsigned int DWORD; -typedef unsigned long long ULONGLONG; -#pragma pack(push, 1) - -typedef struct _IMAGE_DOS_HEADER { /* DOS .EXE header */ - WORD e_magic; /* Magic number */ - WORD e_cblp; /* Bytes on last page of file */ - WORD e_cp; /* Pages in file */ - WORD e_crlc; /* Relocations */ - WORD e_cparhdr; /* Size of header in paragraphs */ - WORD e_minalloc; /* Minimum extra paragraphs needed */ - WORD e_maxalloc; /* Maximum extra paragraphs needed */ - WORD e_ss; /* Initial (relative) SS value */ - WORD e_sp; /* Initial SP value */ - WORD e_csum; /* Checksum */ - WORD e_ip; /* Initial IP value */ - WORD e_cs; /* Initial (relative) CS value */ - WORD e_lfarlc; /* File address of relocation table */ - WORD e_ovno; /* Overlay number */ - WORD e_res[4]; /* Reserved words */ - WORD e_oemid; /* OEM identifier (for e_oeminfo) */ - WORD e_oeminfo; /* OEM information; e_oemid specific */ - WORD e_res2[10]; /* Reserved words */ - DWORD e_lfanew; /* File address of new exe header */ -} IMAGE_DOS_HEADER, *PIMAGE_DOS_HEADER; - -#define IMAGE_NT_SIGNATURE 0x00004550 /* PE00 */ -#define SIZE_OF_NT_SIGNATURE 4 - -typedef struct _IMAGE_FILE_HEADER { - WORD Machine; - WORD NumberOfSections; - DWORD TimeDateStamp; - DWORD PointerToSymbolTable; - DWORD NumberOfSymbols; - WORD SizeOfOptionalHeader; - WORD Characteristics; -} IMAGE_FILE_HEADER, *PIMAGE_FILE_HEADER; - - -#define IMAGE_SIZEOF_FILE_HEADER 20 - -typedef struct _IMAGE_DATA_DIRECTORY { - DWORD VirtualAddress; - DWORD Size; -} IMAGE_DATA_DIRECTORY, *PIMAGE_DATA_DIRECTORY; - - -typedef struct _IMAGE_OPTIONAL_HEADER { - /* Standard fields. */ - WORD Magic; - BYTE MajorLinkerVersion; - BYTE MinorLinkerVersion; - DWORD SizeOfCode; - DWORD SizeOfInitializedData; - DWORD SizeOfUninitializedData; - DWORD AddressOfEntryPoint; - DWORD BaseOfCode; -#ifndef TCC_TARGET_X86_64 - DWORD BaseOfData; -#endif - /* NT additional fields. */ - ADDR3264 ImageBase; - DWORD SectionAlignment; - DWORD FileAlignment; - WORD MajorOperatingSystemVersion; - WORD MinorOperatingSystemVersion; - WORD MajorImageVersion; - WORD MinorImageVersion; - WORD MajorSubsystemVersion; - WORD MinorSubsystemVersion; - DWORD Win32VersionValue; - DWORD SizeOfImage; - DWORD SizeOfHeaders; - DWORD CheckSum; - WORD Subsystem; - WORD DllCharacteristics; - ADDR3264 SizeOfStackReserve; - ADDR3264 SizeOfStackCommit; - ADDR3264 SizeOfHeapReserve; - ADDR3264 SizeOfHeapCommit; - DWORD LoaderFlags; - DWORD NumberOfRvaAndSizes; - IMAGE_DATA_DIRECTORY DataDirectory[16]; -} IMAGE_OPTIONAL_HEADER32, IMAGE_OPTIONAL_HEADER64, IMAGE_OPTIONAL_HEADER; - -#define IMAGE_DIRECTORY_ENTRY_EXPORT 0 /* Export Directory */ -#define IMAGE_DIRECTORY_ENTRY_IMPORT 1 /* Import Directory */ -#define IMAGE_DIRECTORY_ENTRY_RESOURCE 2 /* Resource Directory */ -#define IMAGE_DIRECTORY_ENTRY_EXCEPTION 3 /* Exception Directory */ -#define IMAGE_DIRECTORY_ENTRY_SECURITY 4 /* Security Directory */ -#define IMAGE_DIRECTORY_ENTRY_BASERELOC 5 /* Base Relocation Table */ -#define IMAGE_DIRECTORY_ENTRY_DEBUG 6 /* Debug Directory */ -/* IMAGE_DIRECTORY_ENTRY_COPYRIGHT 7 (X86 usage) */ -#define IMAGE_DIRECTORY_ENTRY_ARCHITECTURE 7 /* Architecture Specific Data */ -#define IMAGE_DIRECTORY_ENTRY_GLOBALPTR 8 /* RVA of GP */ -#define IMAGE_DIRECTORY_ENTRY_TLS 9 /* TLS Directory */ -#define IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG 10 /* Load Configuration Directory */ -#define IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT 11 /* Bound Import Directory in headers */ -#define IMAGE_DIRECTORY_ENTRY_IAT 12 /* Import Address Table */ -#define IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT 13 /* Delay Load Import Descriptors */ -#define IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR 14 /* COM Runtime descriptor */ - -/* Section header format. */ -#define IMAGE_SIZEOF_SHORT_NAME 8 - -typedef struct _IMAGE_SECTION_HEADER { - BYTE Name[IMAGE_SIZEOF_SHORT_NAME]; - union { - DWORD PhysicalAddress; - DWORD VirtualSize; - } Misc; - DWORD VirtualAddress; - DWORD SizeOfRawData; - DWORD PointerToRawData; - DWORD PointerToRelocations; - DWORD PointerToLinenumbers; - WORD NumberOfRelocations; - WORD NumberOfLinenumbers; - DWORD Characteristics; -} IMAGE_SECTION_HEADER, *PIMAGE_SECTION_HEADER; - -#define IMAGE_SIZEOF_SECTION_HEADER 40 - -typedef struct _IMAGE_EXPORT_DIRECTORY { - DWORD Characteristics; - DWORD TimeDateStamp; - WORD MajorVersion; - WORD MinorVersion; - DWORD Name; - DWORD Base; - DWORD NumberOfFunctions; - DWORD NumberOfNames; - DWORD AddressOfFunctions; - DWORD AddressOfNames; - DWORD AddressOfNameOrdinals; -} IMAGE_EXPORT_DIRECTORY,*PIMAGE_EXPORT_DIRECTORY; - -typedef struct _IMAGE_IMPORT_DESCRIPTOR { - union { - DWORD Characteristics; - DWORD OriginalFirstThunk; - }; - DWORD TimeDateStamp; - DWORD ForwarderChain; - DWORD Name; - DWORD FirstThunk; -} IMAGE_IMPORT_DESCRIPTOR; - -typedef struct _IMAGE_BASE_RELOCATION { - DWORD VirtualAddress; - DWORD SizeOfBlock; -// WORD TypeOffset[1]; -} IMAGE_BASE_RELOCATION; - -#define IMAGE_SIZEOF_BASE_RELOCATION 8 - -#define IMAGE_REL_BASED_ABSOLUTE 0 -#define IMAGE_REL_BASED_HIGH 1 -#define IMAGE_REL_BASED_LOW 2 -#define IMAGE_REL_BASED_HIGHLOW 3 -#define IMAGE_REL_BASED_HIGHADJ 4 -#define IMAGE_REL_BASED_MIPS_JMPADDR 5 -#define IMAGE_REL_BASED_SECTION 6 -#define IMAGE_REL_BASED_REL32 7 - -#pragma pack(pop) - -/* ----------------------------------------------------------- */ -#endif /* ndef IMAGE_NT_SIGNATURE */ -/* ----------------------------------------------------------- */ -#pragma pack(push, 1) - -struct pe_header -{ - IMAGE_DOS_HEADER doshdr; - BYTE dosstub[0x40]; - DWORD nt_sig; - IMAGE_FILE_HEADER filehdr; -#ifdef TCC_TARGET_X86_64 - IMAGE_OPTIONAL_HEADER64 opthdr; -#else -#ifdef _WIN64 - IMAGE_OPTIONAL_HEADER32 opthdr; -#else - IMAGE_OPTIONAL_HEADER opthdr; -#endif -#endif -}; - -struct pe_reloc_header { - DWORD offset; - DWORD size; -}; - -struct pe_rsrc_header { - struct _IMAGE_FILE_HEADER filehdr; - struct _IMAGE_SECTION_HEADER sectionhdr; -}; - -struct pe_rsrc_reloc { - DWORD offset; - DWORD size; - WORD type; -}; - -#pragma pack(pop) - -/* ------------------------------------------------------------- */ -/* internal temporary structures */ - -/* -#define IMAGE_SCN_CNT_CODE 0x00000020 -#define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040 -#define IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x00000080 -#define IMAGE_SCN_MEM_DISCARDABLE 0x02000000 -#define IMAGE_SCN_MEM_SHARED 0x10000000 -#define IMAGE_SCN_MEM_EXECUTE 0x20000000 -#define IMAGE_SCN_MEM_READ 0x40000000 -#define IMAGE_SCN_MEM_WRITE 0x80000000 -*/ - -enum { - sec_text = 0, - sec_data , - sec_bss , - sec_idata , - sec_pdata , - sec_other , - sec_rsrc , - sec_stab , - sec_reloc , - sec_last -}; - -static const DWORD pe_sec_flags[] = { - 0x60000020, /* ".text" , */ - 0xC0000040, /* ".data" , */ - 0xC0000080, /* ".bss" , */ - 0x40000040, /* ".idata" , */ - 0x40000040, /* ".pdata" , */ - 0xE0000060, /* < other > , */ - 0x40000040, /* ".rsrc" , */ - 0x42000802, /* ".stab" , */ - 0x42000040, /* ".reloc" , */ -}; - -struct section_info { - int cls, ord; - char name[32]; - DWORD sh_addr; - DWORD sh_size; - DWORD sh_flags; - unsigned char *data; - DWORD data_size; - IMAGE_SECTION_HEADER ish; -}; - -struct import_symbol { - int sym_index; - int iat_index; - int thk_offset; -}; - -struct pe_import_info { - int dll_index; - int sym_count; - struct import_symbol **symbols; -}; - -struct pe_info { - TCCState *s1; - Section *reloc; - Section *thunk; - const char *filename; - int type; - DWORD sizeofheaders; - ADDR3264 imagebase; - DWORD start_addr; - DWORD imp_offs; - DWORD imp_size; - DWORD iat_offs; - DWORD iat_size; - DWORD exp_offs; - DWORD exp_size; - int subsystem; - DWORD section_align; - DWORD file_align; - struct section_info *sec_info; - int sec_count; - struct pe_import_info **imp_info; - int imp_count; -}; - -#define PE_NUL 0 -#define PE_DLL 1 -#define PE_GUI 2 -#define PE_EXE 3 -#define PE_RUN 4 - -/* --------------------------------------------*/ - -static const char *pe_export_name(TCCState *s1, ElfW(Sym) *sym) -{ - const char *name = symtab_section->link->data + sym->st_name; - if (s1->leading_underscore && name[0] == '_' && !(sym->st_other & ST_PE_STDCALL)) - return name + 1; - return name; -} - -static int pe_find_import(TCCState * s1, ElfW(Sym) *sym) -{ - char buffer[200]; - const char *s, *p; - int sym_index = 0, n = 0; - - do { - s = pe_export_name(s1, sym); - if (n) { - /* second try: */ - if (sym->st_other & ST_PE_STDCALL) { - /* try w/0 stdcall deco (windows API convention) */ - p = strrchr(s, '@'); - if (!p || s[0] != '_') - break; - strcpy(buffer, s+1)[p-s-1] = 0; - } else if (s[0] != '_') { /* try non-ansi function */ - buffer[0] = '_', strcpy(buffer + 1, s); - } else if (0 == memcmp(s, "__imp__", 7)) { /* mingw 2.0 */ - strcpy(buffer, s + 6); - } else if (0 == memcmp(s, "_imp___", 7)) { /* mingw 3.7 */ - strcpy(buffer, s + 6); - } else { - break; - } - s = buffer; - } - sym_index = find_elf_sym(s1->dynsymtab_section, s); - // printf("find (%d) %d %s\n", n, sym_index, s); - } while (0 == sym_index && ++n < 2); - return sym_index; -} - -/*----------------------------------------------------------------------------*/ - -static int dynarray_assoc(void **pp, int n, int key) -{ - int i; - for (i = 0; i < n; ++i, ++pp) - if (key == **(int **) pp) - return i; - return -1; -} - -#if 0 -ST_FN DWORD umin(DWORD a, DWORD b) -{ - return a < b ? a : b; -} -#endif - -static DWORD umax(DWORD a, DWORD b) -{ - return a < b ? b : a; -} - -static DWORD pe_file_align(struct pe_info *pe, DWORD n) -{ - return (n + (pe->file_align - 1)) & ~(pe->file_align - 1); -} - -static DWORD pe_virtual_align(struct pe_info *pe, DWORD n) -{ - return (n + (pe->section_align - 1)) & ~(pe->section_align - 1); -} - -static void pe_align_section(Section *s, int a) -{ - int i = s->data_offset & (a-1); - if (i) - section_ptr_add(s, a - i); -} - -static void pe_set_datadir(struct pe_header *hdr, int dir, DWORD addr, DWORD size) -{ - hdr->opthdr.DataDirectory[dir].VirtualAddress = addr; - hdr->opthdr.DataDirectory[dir].Size = size; -} - -static int pe_fwrite(void *data, unsigned len, FILE *fp, DWORD *psum) -{ - if (psum) { - DWORD sum = *psum; - WORD *p = data; - int i; - for (i = len; i > 0; i -= 2) { - sum += (i >= 2) ? *p++ : *(BYTE*)p; - sum = (sum + (sum >> 16)) & 0xFFFF; - } - *psum = sum; - } - return len == fwrite(data, 1, len, fp) ? 0 : -1; -} - -static void pe_fpad(FILE *fp, DWORD new_pos) -{ - DWORD pos = ftell(fp); - while (++pos <= new_pos) - fputc(0, fp); -} - -/*----------------------------------------------------------------------------*/ -static int pe_write(struct pe_info *pe) -{ - static const struct pe_header pe_template = { - { - /* IMAGE_DOS_HEADER doshdr */ - 0x5A4D, /*WORD e_magic; Magic number */ - 0x0090, /*WORD e_cblp; Bytes on last page of file */ - 0x0003, /*WORD e_cp; Pages in file */ - 0x0000, /*WORD e_crlc; Relocations */ - - 0x0004, /*WORD e_cparhdr; Size of header in paragraphs */ - 0x0000, /*WORD e_minalloc; Minimum extra paragraphs needed */ - 0xFFFF, /*WORD e_maxalloc; Maximum extra paragraphs needed */ - 0x0000, /*WORD e_ss; Initial (relative) SS value */ - - 0x00B8, /*WORD e_sp; Initial SP value */ - 0x0000, /*WORD e_csum; Checksum */ - 0x0000, /*WORD e_ip; Initial IP value */ - 0x0000, /*WORD e_cs; Initial (relative) CS value */ - 0x0040, /*WORD e_lfarlc; File address of relocation table */ - 0x0000, /*WORD e_ovno; Overlay number */ - {0,0,0,0}, /*WORD e_res[4]; Reserved words */ - 0x0000, /*WORD e_oemid; OEM identifier (for e_oeminfo) */ - 0x0000, /*WORD e_oeminfo; OEM information; e_oemid specific */ - {0,0,0,0,0,0,0,0,0,0}, /*WORD e_res2[10]; Reserved words */ - 0x00000080 /*DWORD e_lfanew; File address of new exe header */ - },{ - /* BYTE dosstub[0x40] */ - /* 14 code bytes + "This program cannot be run in DOS mode.\r\r\n$" + 6 * 0x00 */ - 0x0e,0x1f,0xba,0x0e,0x00,0xb4,0x09,0xcd,0x21,0xb8,0x01,0x4c,0xcd,0x21,0x54,0x68, - 0x69,0x73,0x20,0x70,0x72,0x6f,0x67,0x72,0x61,0x6d,0x20,0x63,0x61,0x6e,0x6e,0x6f, - 0x74,0x20,0x62,0x65,0x20,0x72,0x75,0x6e,0x20,0x69,0x6e,0x20,0x44,0x4f,0x53,0x20, - 0x6d,0x6f,0x64,0x65,0x2e,0x0d,0x0d,0x0a,0x24,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - }, - 0x00004550, /* DWORD nt_sig = IMAGE_NT_SIGNATURE */ - { - /* IMAGE_FILE_HEADER filehdr */ - IMAGE_FILE_MACHINE, /*WORD Machine; */ - 0x0003, /*WORD NumberOfSections; */ - 0x00000000, /*DWORD TimeDateStamp; */ - 0x00000000, /*DWORD PointerToSymbolTable; */ - 0x00000000, /*DWORD NumberOfSymbols; */ -#if defined(TCC_TARGET_X86_64) - 0x00F0, /*WORD SizeOfOptionalHeader; */ - 0x022F /*WORD Characteristics; */ -#define CHARACTERISTICS_DLL 0x222E -#elif defined(TCC_TARGET_I386) - 0x00E0, /*WORD SizeOfOptionalHeader; */ - 0x030F /*WORD Characteristics; */ -#define CHARACTERISTICS_DLL 0x230E -#elif defined(TCC_TARGET_ARM) - 0x00E0, /*WORD SizeOfOptionalHeader; */ - 0x010F, /*WORD Characteristics; */ -#define CHARACTERISTICS_DLL 0x230F -#endif -},{ - /* IMAGE_OPTIONAL_HEADER opthdr */ - /* Standard fields. */ -#ifdef TCC_TARGET_X86_64 - 0x020B, /*WORD Magic; */ -#else - 0x010B, /*WORD Magic; */ -#endif - 0x06, /*BYTE MajorLinkerVersion; */ - 0x00, /*BYTE MinorLinkerVersion; */ - 0x00000000, /*DWORD SizeOfCode; */ - 0x00000000, /*DWORD SizeOfInitializedData; */ - 0x00000000, /*DWORD SizeOfUninitializedData; */ - 0x00000000, /*DWORD AddressOfEntryPoint; */ - 0x00000000, /*DWORD BaseOfCode; */ -#ifndef TCC_TARGET_X86_64 - 0x00000000, /*DWORD BaseOfData; */ -#endif - /* NT additional fields. */ -#if defined(TCC_TARGET_ARM) - 0x00100000, /*DWORD ImageBase; */ -#else - 0x00400000, /*DWORD ImageBase; */ -#endif - 0x00001000, /*DWORD SectionAlignment; */ - 0x00000200, /*DWORD FileAlignment; */ - 0x0004, /*WORD MajorOperatingSystemVersion; */ - 0x0000, /*WORD MinorOperatingSystemVersion; */ - 0x0000, /*WORD MajorImageVersion; */ - 0x0000, /*WORD MinorImageVersion; */ - 0x0004, /*WORD MajorSubsystemVersion; */ - 0x0000, /*WORD MinorSubsystemVersion; */ - 0x00000000, /*DWORD Win32VersionValue; */ - 0x00000000, /*DWORD SizeOfImage; */ - 0x00000200, /*DWORD SizeOfHeaders; */ - 0x00000000, /*DWORD CheckSum; */ - 0x0002, /*WORD Subsystem; */ - 0x0000, /*WORD DllCharacteristics; */ - 0x00100000, /*DWORD SizeOfStackReserve; */ - 0x00001000, /*DWORD SizeOfStackCommit; */ - 0x00100000, /*DWORD SizeOfHeapReserve; */ - 0x00001000, /*DWORD SizeOfHeapCommit; */ - 0x00000000, /*DWORD LoaderFlags; */ - 0x00000010, /*DWORD NumberOfRvaAndSizes; */ - - /* IMAGE_DATA_DIRECTORY DataDirectory[16]; */ - {{0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, - {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}} - }}; - - struct pe_header pe_header = pe_template; - - int i; - FILE *op; - DWORD file_offset, sum; - struct section_info *si; - IMAGE_SECTION_HEADER *psh; - - op = fopen(pe->filename, "wb"); - if (NULL == op) { - tcc_error_noabort("could not write '%s': %s", pe->filename, strerror(errno)); - return -1; - } - - pe->sizeofheaders = pe_file_align(pe, - sizeof (struct pe_header) - + pe->sec_count * sizeof (IMAGE_SECTION_HEADER) - ); - - file_offset = pe->sizeofheaders; - - if (2 == pe->s1->verbose) - printf("-------------------------------" - "\n virt file size section" "\n"); - for (i = 0; i < pe->sec_count; ++i) { - DWORD addr, size; - const char *sh_name; - - si = pe->sec_info + i; - sh_name = si->name; - addr = si->sh_addr - pe->imagebase; - size = si->sh_size; - psh = &si->ish; - - if (2 == pe->s1->verbose) - printf("%6x %6x %6x %s\n", - (unsigned)addr, (unsigned)file_offset, (unsigned)size, sh_name); - - switch (si->cls) { - case sec_text: - pe_header.opthdr.BaseOfCode = addr; - pe_header.opthdr.AddressOfEntryPoint = addr + pe->start_addr; - break; - - case sec_data: -#ifndef TCC_TARGET_X86_64 - pe_header.opthdr.BaseOfData = addr; -#endif - break; - - case sec_bss: - break; - - case sec_reloc: - pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_BASERELOC, addr, size); - break; - - case sec_rsrc: - pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_RESOURCE, addr, size); - break; - - case sec_pdata: - pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_EXCEPTION, addr, size); - break; - - case sec_stab: - break; - } - - if (pe->thunk == pe->s1->sections[si->ord]) { - if (pe->imp_size) { - pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_IMPORT, - pe->imp_offs + addr, pe->imp_size); - pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_IAT, - pe->iat_offs + addr, pe->iat_size); - } - if (pe->exp_size) { - pe_set_datadir(&pe_header, IMAGE_DIRECTORY_ENTRY_EXPORT, - pe->exp_offs + addr, pe->exp_size); - } - } - - strncpy((char*)psh->Name, sh_name, sizeof psh->Name); - - psh->Characteristics = pe_sec_flags[si->cls]; - psh->VirtualAddress = addr; - psh->Misc.VirtualSize = size; - pe_header.opthdr.SizeOfImage = - umax(pe_virtual_align(pe, size + addr), pe_header.opthdr.SizeOfImage); - - if (si->data_size) { - psh->PointerToRawData = file_offset; - file_offset = pe_file_align(pe, file_offset + si->data_size); - psh->SizeOfRawData = file_offset - psh->PointerToRawData; - } - } - - //pe_header.filehdr.TimeDateStamp = time(NULL); - pe_header.filehdr.NumberOfSections = pe->sec_count; - pe_header.opthdr.SizeOfHeaders = pe->sizeofheaders; - pe_header.opthdr.ImageBase = pe->imagebase; - pe_header.opthdr.Subsystem = pe->subsystem; - if (pe->s1->pe_stack_size) - pe_header.opthdr.SizeOfStackReserve = pe->s1->pe_stack_size; - if (PE_DLL == pe->type) - pe_header.filehdr.Characteristics = CHARACTERISTICS_DLL; - - sum = 0; - pe_fwrite(&pe_header, sizeof pe_header, op, &sum); - for (i = 0; i < pe->sec_count; ++i) - pe_fwrite(&pe->sec_info[i].ish, sizeof(IMAGE_SECTION_HEADER), op, &sum); - pe_fpad(op, pe->sizeofheaders); - for (i = 0; i < pe->sec_count; ++i) { - si = pe->sec_info + i; - psh = &si->ish; - if (si->data_size) { - pe_fwrite(si->data, si->data_size, op, &sum); - file_offset = psh->PointerToRawData + psh->SizeOfRawData; - pe_fpad(op, file_offset); - } - } - - pe_header.opthdr.CheckSum = sum + file_offset; - fseek(op, offsetof(struct pe_header, opthdr.CheckSum), SEEK_SET); - pe_fwrite(&pe_header.opthdr.CheckSum, sizeof pe_header.opthdr.CheckSum, op, NULL); - fclose (op); - - if (2 == pe->s1->verbose) - printf("-------------------------------\n"); - if (pe->s1->verbose) - printf("<- %s (%u bytes)\n", pe->filename, (unsigned)file_offset); - - return 0; -} - -/*----------------------------------------------------------------------------*/ - -static struct import_symbol *pe_add_import(struct pe_info *pe, int sym_index) -{ - int i; - int dll_index; - struct pe_import_info *p; - struct import_symbol *s; - ElfW(Sym) *isym; - - isym = (ElfW(Sym) *)pe->s1->dynsymtab_section->data + sym_index; - dll_index = isym->st_size; - - i = dynarray_assoc ((void**)pe->imp_info, pe->imp_count, dll_index); - if (-1 != i) { - p = pe->imp_info[i]; - goto found_dll; - } - p = tcc_mallocz(sizeof *p); - p->dll_index = dll_index; - dynarray_add((void***)&pe->imp_info, &pe->imp_count, p); - -found_dll: - i = dynarray_assoc ((void**)p->symbols, p->sym_count, sym_index); - if (-1 != i) - return p->symbols[i]; - - s = tcc_mallocz(sizeof *s); - dynarray_add((void***)&p->symbols, &p->sym_count, s); - s->sym_index = sym_index; - return s; -} - -/*----------------------------------------------------------------------------*/ -static void pe_build_imports(struct pe_info *pe) -{ - int thk_ptr, ent_ptr, dll_ptr, sym_cnt, i; - DWORD rva_base = pe->thunk->sh_addr - pe->imagebase; - int ndlls = pe->imp_count; - - for (sym_cnt = i = 0; i < ndlls; ++i) - sym_cnt += pe->imp_info[i]->sym_count; - - if (0 == sym_cnt) - return; - - pe_align_section(pe->thunk, 16); - - pe->imp_offs = dll_ptr = pe->thunk->data_offset; - pe->imp_size = (ndlls + 1) * sizeof(IMAGE_IMPORT_DESCRIPTOR); - pe->iat_offs = dll_ptr + pe->imp_size; - pe->iat_size = (sym_cnt + ndlls) * sizeof(ADDR3264); - section_ptr_add(pe->thunk, pe->imp_size + 2*pe->iat_size); - - thk_ptr = pe->iat_offs; - ent_ptr = pe->iat_offs + pe->iat_size; - - for (i = 0; i < pe->imp_count; ++i) { - IMAGE_IMPORT_DESCRIPTOR *hdr; - int k, n, dllindex; - ADDR3264 v; - struct pe_import_info *p = pe->imp_info[i]; - const char *name; - DLLReference *dllref; - - dllindex = p->dll_index; - if (dllindex) - name = (dllref = pe->s1->loaded_dlls[dllindex-1])->name; - else - name = "", dllref = NULL; - - /* put the dll name into the import header */ - v = put_elf_str(pe->thunk, name); - hdr = (IMAGE_IMPORT_DESCRIPTOR*)(pe->thunk->data + dll_ptr); - hdr->FirstThunk = thk_ptr + rva_base; - hdr->OriginalFirstThunk = ent_ptr + rva_base; - hdr->Name = v + rva_base; - - for (k = 0, n = p->sym_count; k <= n; ++k) { - if (k < n) { - int iat_index = p->symbols[k]->iat_index; - int sym_index = p->symbols[k]->sym_index; - ElfW(Sym) *imp_sym = (ElfW(Sym) *)pe->s1->dynsymtab_section->data + sym_index; - ElfW(Sym) *org_sym = (ElfW(Sym) *)symtab_section->data + iat_index; - const char *name = pe->s1->dynsymtab_section->link->data + imp_sym->st_name; - int ordinal; - - org_sym->st_value = thk_ptr; - org_sym->st_shndx = pe->thunk->sh_num; - - if (dllref) - v = 0, ordinal = imp_sym->st_value; /* ordinal from pe_load_def */ - else - ordinal = 0, v = imp_sym->st_value; /* address from tcc_add_symbol() */ - -#ifdef TCC_IS_NATIVE - if (pe->type == PE_RUN) { - if (dllref) { - if ( !dllref->handle ) - dllref->handle = LoadLibrary(dllref->name); - v = (ADDR3264)GetProcAddress(dllref->handle, ordinal?(LPCSTR)NULL+ordinal:name); - } - if (!v) - tcc_error_noabort("can't build symbol '%s'", name); - } else -#endif - if (ordinal) { - v = ordinal | (ADDR3264)1 << (sizeof(ADDR3264)*8 - 1); - } else { - v = pe->thunk->data_offset + rva_base; - section_ptr_add(pe->thunk, sizeof(WORD)); /* hint, not used */ - put_elf_str(pe->thunk, name); - } - - } else { - v = 0; /* last entry is zero */ - } - - *(ADDR3264*)(pe->thunk->data+thk_ptr) = - *(ADDR3264*)(pe->thunk->data+ent_ptr) = v; - thk_ptr += sizeof (ADDR3264); - ent_ptr += sizeof (ADDR3264); - } - dll_ptr += sizeof(IMAGE_IMPORT_DESCRIPTOR); - dynarray_reset(&p->symbols, &p->sym_count); - } - dynarray_reset(&pe->imp_info, &pe->imp_count); -} - -/* ------------------------------------------------------------- */ - -struct pe_sort_sym -{ - int index; - const char *name; -}; - -static int sym_cmp(const void *va, const void *vb) -{ - const char *ca = (*(struct pe_sort_sym**)va)->name; - const char *cb = (*(struct pe_sort_sym**)vb)->name; - return strcmp(ca, cb); -} - -static void pe_build_exports(struct pe_info *pe) -{ - ElfW(Sym) *sym; - int sym_index, sym_end; - DWORD rva_base, func_o, name_o, ord_o, str_o; - IMAGE_EXPORT_DIRECTORY *hdr; - int sym_count, ord; - struct pe_sort_sym **sorted, *p; - - FILE *op; - char buf[MAX_PATH]; - const char *dllname; - const char *name; - - rva_base = pe->thunk->sh_addr - pe->imagebase; - sym_count = 0, sorted = NULL, op = NULL; - - sym_end = symtab_section->data_offset / sizeof(ElfW(Sym)); - for (sym_index = 1; sym_index < sym_end; ++sym_index) { - sym = (ElfW(Sym)*)symtab_section->data + sym_index; - name = pe_export_name(pe->s1, sym); - if ((sym->st_other & ST_PE_EXPORT) - /* export only symbols from actually written sections */ - && pe->s1->sections[sym->st_shndx]->sh_addr) { - p = tcc_malloc(sizeof *p); - p->index = sym_index; - p->name = name; - dynarray_add((void***)&sorted, &sym_count, p); - } -#if 0 - if (sym->st_other & ST_PE_EXPORT) - printf("export: %s\n", name); - if (sym->st_other & ST_PE_STDCALL) - printf("stdcall: %s\n", name); -#endif - } - - if (0 == sym_count) - return; - - qsort (sorted, sym_count, sizeof *sorted, sym_cmp); - - pe_align_section(pe->thunk, 16); - dllname = tcc_basename(pe->filename); - - pe->exp_offs = pe->thunk->data_offset; - func_o = pe->exp_offs + sizeof(IMAGE_EXPORT_DIRECTORY); - name_o = func_o + sym_count * sizeof (DWORD); - ord_o = name_o + sym_count * sizeof (DWORD); - str_o = ord_o + sym_count * sizeof(WORD); - - hdr = section_ptr_add(pe->thunk, str_o - pe->exp_offs); - hdr->Characteristics = 0; - hdr->Base = 1; - hdr->NumberOfFunctions = sym_count; - hdr->NumberOfNames = sym_count; - hdr->AddressOfFunctions = func_o + rva_base; - hdr->AddressOfNames = name_o + rva_base; - hdr->AddressOfNameOrdinals = ord_o + rva_base; - hdr->Name = str_o + rva_base; - put_elf_str(pe->thunk, dllname); - -#if 1 - /* automatically write exports to .def */ - pstrcpy(buf, sizeof buf, pe->filename); - strcpy(tcc_fileextension(buf), ".def"); - op = fopen(buf, "w"); - if (NULL == op) { - tcc_error_noabort("could not create '%s': %s", buf, strerror(errno)); - } else { - fprintf(op, "LIBRARY %s\n\nEXPORTS\n", dllname); - if (pe->s1->verbose) - printf("<- %s (%d symbols)\n", buf, sym_count); - } -#endif - - for (ord = 0; ord < sym_count; ++ord) - { - p = sorted[ord], sym_index = p->index, name = p->name; - /* insert actual address later in pe_relocate_rva */ - put_elf_reloc(symtab_section, pe->thunk, - func_o, R_XXX_RELATIVE, sym_index); - *(DWORD*)(pe->thunk->data + name_o) - = pe->thunk->data_offset + rva_base; - *(WORD*)(pe->thunk->data + ord_o) - = ord; - put_elf_str(pe->thunk, name); - func_o += sizeof (DWORD); - name_o += sizeof (DWORD); - ord_o += sizeof (WORD); - if (op) - fprintf(op, "%s\n", name); - } - pe->exp_size = pe->thunk->data_offset - pe->exp_offs; - dynarray_reset(&sorted, &sym_count); - if (op) - fclose(op); -} - -/* ------------------------------------------------------------- */ -static void pe_build_reloc (struct pe_info *pe) -{ - DWORD offset, block_ptr, addr; - int count, i; - ElfW_Rel *rel, *rel_end; - Section *s = NULL, *sr; - - offset = addr = block_ptr = count = i = 0; - rel = rel_end = NULL; - - for(;;) { - if (rel < rel_end) { - int type = ELFW(R_TYPE)(rel->r_info); - addr = rel->r_offset + s->sh_addr; - ++ rel; - if (type != REL_TYPE_DIRECT) - continue; - if (count == 0) { /* new block */ - block_ptr = pe->reloc->data_offset; - section_ptr_add(pe->reloc, sizeof(struct pe_reloc_header)); - offset = addr & 0xFFFFFFFF<<12; - } - if ((addr -= offset) < (1<<12)) { /* one block spans 4k addresses */ - WORD *wp = section_ptr_add(pe->reloc, sizeof (WORD)); - *wp = addr | IMAGE_REL_BASED_HIGHLOW<<12; - ++count; - continue; - } - -- rel; - - } else if (i < pe->sec_count) { - sr = (s = pe->s1->sections[pe->sec_info[i++].ord])->reloc; - if (sr) { - rel = (ElfW_Rel *)sr->data; - rel_end = (ElfW_Rel *)(sr->data + sr->data_offset); - } - continue; - } - - if (count) { - /* store the last block and ready for a new one */ - struct pe_reloc_header *hdr; - if (count & 1) /* align for DWORDS */ - section_ptr_add(pe->reloc, sizeof(WORD)), ++count; - hdr = (struct pe_reloc_header *)(pe->reloc->data + block_ptr); - hdr -> offset = offset - pe->imagebase; - hdr -> size = count * sizeof(WORD) + sizeof(struct pe_reloc_header); - count = 0; - } - - if (rel >= rel_end) - break; - } -} - -/* ------------------------------------------------------------- */ -static int pe_section_class(Section *s) -{ - int type, flags; - const char *name; - - type = s->sh_type; - flags = s->sh_flags; - name = s->name; - if (flags & SHF_ALLOC) { - if (type == SHT_PROGBITS) { - if (flags & SHF_EXECINSTR) - return sec_text; - if (flags & SHF_WRITE) - return sec_data; - if (0 == strcmp(name, ".rsrc")) - return sec_rsrc; - if (0 == strcmp(name, ".iedat")) - return sec_idata; - if (0 == strcmp(name, ".pdata")) - return sec_pdata; - return sec_other; - } else if (type == SHT_NOBITS) { - if (flags & SHF_WRITE) - return sec_bss; - } - } else { - if (0 == strcmp(name, ".reloc")) - return sec_reloc; - if (0 == strncmp(name, ".stab", 5)) /* .stab and .stabstr */ - return sec_stab; - } - return -1; -} - -static int pe_assign_addresses (struct pe_info *pe) -{ - int i, k, o, c; - DWORD addr; - int *section_order; - struct section_info *si; - Section *s; - - // pe->thunk = new_section(pe->s1, ".iedat", SHT_PROGBITS, SHF_ALLOC); - - section_order = tcc_malloc(pe->s1->nb_sections * sizeof (int)); - for (o = k = 0 ; k < sec_last; ++k) { - for (i = 1; i < pe->s1->nb_sections; ++i) { - s = pe->s1->sections[i]; - if (k == pe_section_class(s)) { - // printf("%s %d\n", s->name, k); - s->sh_addr = pe->imagebase; - section_order[o++] = i; - } - } - } - - pe->sec_info = tcc_mallocz(o * sizeof (struct section_info)); - addr = pe->imagebase + 1; - - for (i = 0; i < o; ++i) - { - k = section_order[i]; - s = pe->s1->sections[k]; - c = pe_section_class(s); - si = &pe->sec_info[pe->sec_count]; - -#ifdef PE_MERGE_DATA - if (c == sec_bss && pe->sec_count && si[-1].cls == sec_data) { - /* append .bss to .data */ - s->sh_addr = addr = ((addr-1) | (s->sh_addralign-1)) + 1; - addr += s->data_offset; - si[-1].sh_size = addr - si[-1].sh_addr; - continue; - } -#endif - if (c == sec_stab && 0 == pe->s1->do_debug) - continue; - - strcpy(si->name, s->name); - si->cls = c; - si->ord = k; - si->sh_addr = s->sh_addr = addr = pe_virtual_align(pe, addr); - si->sh_flags = s->sh_flags; - - if (c == sec_data && NULL == pe->thunk) - pe->thunk = s; - - if (s == pe->thunk) { - pe_build_imports(pe); - pe_build_exports(pe); - } - - if (c == sec_reloc) - pe_build_reloc (pe); - - if (s->data_offset) - { - if (s->sh_type != SHT_NOBITS) { - si->data = s->data; - si->data_size = s->data_offset; - } - - addr += s->data_offset; - si->sh_size = s->data_offset; - ++pe->sec_count; - } - // printf("%08x %05x %s\n", si->sh_addr, si->sh_size, si->name); - } - -#if 0 - for (i = 1; i < pe->s1->nb_sections; ++i) { - Section *s = pe->s1->sections[i]; - int type = s->sh_type; - int flags = s->sh_flags; - printf("section %-16s %-10s %5x %s,%s,%s\n", - s->name, - type == SHT_PROGBITS ? "progbits" : - type == SHT_NOBITS ? "nobits" : - type == SHT_SYMTAB ? "symtab" : - type == SHT_STRTAB ? "strtab" : - type == SHT_RELX ? "rel" : "???", - s->data_offset, - flags & SHF_ALLOC ? "alloc" : "", - flags & SHF_WRITE ? "write" : "", - flags & SHF_EXECINSTR ? "exec" : "" - ); - } - pe->s1->verbose = 2; -#endif - - tcc_free(section_order); - return 0; -} - -/* ------------------------------------------------------------- */ -static void pe_relocate_rva (struct pe_info *pe, Section *s) -{ - Section *sr = s->reloc; - ElfW_Rel *rel, *rel_end; - rel_end = (ElfW_Rel *)(sr->data + sr->data_offset); - for(rel = (ElfW_Rel *)sr->data; rel < rel_end; rel++) { - if (ELFW(R_TYPE)(rel->r_info) == R_XXX_RELATIVE) { - int sym_index = ELFW(R_SYM)(rel->r_info); - DWORD addr = s->sh_addr; - if (sym_index) { - ElfW(Sym) *sym = (ElfW(Sym) *)symtab_section->data + sym_index; - addr = sym->st_value; - } - // printf("reloc rva %08x %08x %s\n", (DWORD)rel->r_offset, addr, s->name); - *(DWORD*)(s->data + rel->r_offset) += addr - pe->imagebase; - } - } -} - -/*----------------------------------------------------------------------------*/ - -static int pe_isafunc(int sym_index) -{ - Section *sr = text_section->reloc; - ElfW_Rel *rel, *rel_end; - Elf32_Word info = ELF32_R_INFO(sym_index, R_386_PC32); - if (!sr) - return 0; - rel_end = (ElfW_Rel *)(sr->data + sr->data_offset); - for (rel = (ElfW_Rel *)sr->data; rel < rel_end; rel++) - if (rel->r_info == info) - return 1; - return 0; -} - -/*----------------------------------------------------------------------------*/ -static int pe_check_symbols(struct pe_info *pe) -{ - ElfW(Sym) *sym; - int sym_index, sym_end; - int ret = 0; - - pe_align_section(text_section, 8); - - sym_end = symtab_section->data_offset / sizeof(ElfW(Sym)); - for (sym_index = 1; sym_index < sym_end; ++sym_index) { - - sym = (ElfW(Sym) *)symtab_section->data + sym_index; - if (sym->st_shndx == SHN_UNDEF) { - - const char *name = symtab_section->link->data + sym->st_name; - unsigned type = ELFW(ST_TYPE)(sym->st_info); - int imp_sym = pe_find_import(pe->s1, sym); - struct import_symbol *is; - - if (0 == imp_sym) - goto not_found; - - if (type == STT_NOTYPE) { - /* symbols from assembler have no type, find out which */ - if (pe_isafunc(sym_index)) - type = STT_FUNC; - else - type = STT_OBJECT; - } - - is = pe_add_import(pe, imp_sym); - - if (type == STT_FUNC) { - unsigned long offset = is->thk_offset; - if (offset) { - /* got aliased symbol, like stricmp and _stricmp */ - - } else { - char buffer[100]; - WORD *p; - - offset = text_section->data_offset; - /* add the 'jmp IAT[x]' instruction */ -#ifdef TCC_TARGET_ARM - p = section_ptr_add(text_section, 8+4); // room for code and address - (*(DWORD*)(p)) = 0xE59FC000; // arm code ldr ip, [pc] ; PC+8+0 = 0001xxxx - (*(DWORD*)(p+2)) = 0xE59CF000; // arm code ldr pc, [ip] -#else - p = section_ptr_add(text_section, 8); - *p = 0x25FF; -#ifdef TCC_TARGET_X86_64 - *(DWORD*)(p+1) = (DWORD)-4; -#endif -#endif - /* add a helper symbol, will be patched later in - pe_build_imports */ - sprintf(buffer, "IAT.%s", name); - is->iat_index = put_elf_sym( - symtab_section, 0, sizeof(DWORD), - ELFW(ST_INFO)(STB_GLOBAL, STT_OBJECT), - 0, SHN_UNDEF, buffer); -#ifdef TCC_TARGET_ARM - put_elf_reloc(symtab_section, text_section, - offset + 8, R_XXX_THUNKFIX, is->iat_index); // offset to IAT position -#else - put_elf_reloc(symtab_section, text_section, - offset + 2, R_XXX_THUNKFIX, is->iat_index); -#endif - is->thk_offset = offset; - } - - /* tcc_realloc might have altered sym's address */ - sym = (ElfW(Sym) *)symtab_section->data + sym_index; - - /* patch the original symbol */ - sym->st_value = offset; - sym->st_shndx = text_section->sh_num; - sym->st_other &= ~ST_PE_EXPORT; /* do not export */ - continue; - } - - if (type == STT_OBJECT) { /* data, ptr to that should be */ - if (0 == is->iat_index) { - /* original symbol will be patched later in pe_build_imports */ - is->iat_index = sym_index; - continue; - } - } - - not_found: - tcc_error_noabort("undefined symbol '%s'", name); - ret = -1; - - } else if (pe->s1->rdynamic - && ELFW(ST_BIND)(sym->st_info) != STB_LOCAL) { - /* if -rdynamic option, then export all non local symbols */ - sym->st_other |= ST_PE_EXPORT; - } - } - return ret; -} - -/*----------------------------------------------------------------------------*/ -#ifdef PE_PRINT_SECTIONS -static void pe_print_section(FILE * f, Section * s) -{ - /* just if you'r curious */ - BYTE *p, *e, b; - int i, n, l, m; - p = s->data; - e = s->data + s->data_offset; - l = e - p; - - fprintf(f, "section \"%s\"", s->name); - if (s->link) - fprintf(f, "\nlink \"%s\"", s->link->name); - if (s->reloc) - fprintf(f, "\nreloc \"%s\"", s->reloc->name); - fprintf(f, "\nv_addr %08X", (unsigned)s->sh_addr); - fprintf(f, "\ncontents %08X", (unsigned)l); - fprintf(f, "\n\n"); - - if (s->sh_type == SHT_NOBITS) - return; - - if (0 == l) - return; - - if (s->sh_type == SHT_SYMTAB) - m = sizeof(ElfW(Sym)); - else if (s->sh_type == SHT_RELX) - m = sizeof(ElfW_Rel); - else - m = 16; - - fprintf(f, "%-8s", "offset"); - for (i = 0; i < m; ++i) - fprintf(f, " %02x", i); - n = 56; - - if (s->sh_type == SHT_SYMTAB || s->sh_type == SHT_RELX) { - const char *fields1[] = { - "name", - "value", - "size", - "bind", - "type", - "other", - "shndx", - NULL - }; - - const char *fields2[] = { - "offs", - "type", - "symb", - NULL - }; - - const char **p; - - if (s->sh_type == SHT_SYMTAB) - p = fields1, n = 106; - else - p = fields2, n = 58; - - for (i = 0; p[i]; ++i) - fprintf(f, "%6s", p[i]); - fprintf(f, " symbol"); - } - - fprintf(f, "\n"); - for (i = 0; i < n; ++i) - fprintf(f, "-"); - fprintf(f, "\n"); - - for (i = 0; i < l;) - { - fprintf(f, "%08X", i); - for (n = 0; n < m; ++n) { - if (n + i < l) - fprintf(f, " %02X", p[i + n]); - else - fprintf(f, " "); - } - - if (s->sh_type == SHT_SYMTAB) { - ElfW(Sym) *sym = (ElfW(Sym) *) (p + i); - const char *name = s->link->data + sym->st_name; - fprintf(f, " %04X %04X %04X %02X %02X %02X %04X \"%s\"", - (unsigned)sym->st_name, - (unsigned)sym->st_value, - (unsigned)sym->st_size, - (unsigned)ELFW(ST_BIND)(sym->st_info), - (unsigned)ELFW(ST_TYPE)(sym->st_info), - (unsigned)sym->st_other, - (unsigned)sym->st_shndx, - name); - - } else if (s->sh_type == SHT_RELX) { - ElfW_Rel *rel = (ElfW_Rel *) (p + i); - ElfW(Sym) *sym = - (ElfW(Sym) *) s->link->data + ELFW(R_SYM)(rel->r_info); - const char *name = s->link->link->data + sym->st_name; - fprintf(f, " %04X %02X %04X \"%s\"", - (unsigned)rel->r_offset, - (unsigned)ELFW(R_TYPE)(rel->r_info), - (unsigned)ELFW(R_SYM)(rel->r_info), - name); - } else { - fprintf(f, " "); - for (n = 0; n < m; ++n) { - if (n + i < l) { - b = p[i + n]; - if (b < 32 || b >= 127) - b = '.'; - fprintf(f, "%c", b); - } - } - } - i += m; - fprintf(f, "\n"); - } - fprintf(f, "\n\n"); -} - -static void pe_print_sections(TCCState *s1, const char *fname) -{ - Section *s; - FILE *f; - int i; - f = fopen(fname, "w"); - for (i = 1; i < s1->nb_sections; ++i) { - s = s1->sections[i]; - pe_print_section(f, s); - } - pe_print_section(f, s1->dynsymtab_section); - fclose(f); -} -#endif - -/* ------------------------------------------------------------- */ -/* helper function for load/store to insert one more indirection */ - -ST_FUNC SValue *pe_getimport(SValue *sv, SValue *v2) -{ - Sym *sym; - ElfW(Sym) *esym; - int r2; - - if ((sv->r & (VT_VALMASK|VT_SYM)) != (VT_CONST|VT_SYM) || (sv->r2 != VT_CONST)) - return sv; - sym = sv->sym; - if ((sym->type.t & (VT_EXTERN|VT_STATIC)) != VT_EXTERN) - return sv; - if (!sym->c) - put_extern_sym(sym, NULL, 0, 0); - esym = &((ElfW(Sym) *)symtab_section->data)[sym->c]; - if (!(esym->st_other & ST_PE_IMPORT)) - return sv; - - // printf("import %04x %04x %04x %s\n", sv->type.t, sym->type.t, sv->r, get_tok_str(sv->sym->v, NULL)); - - memset(v2, 0, sizeof *v2); - v2->type.t = VT_PTR; - v2->r = VT_CONST | VT_SYM | VT_LVAL; - v2->sym = sv->sym; - - r2 = get_reg(RC_INT); - load(r2, v2); - v2->r = r2; - - if (sv->c.ui) { - vpushv(v2); - vpushi(sv->c.ui); - gen_opi('+'); - *v2 = *vtop--; - } - - v2->type.t = sv->type.t; - v2->r |= sv->r & VT_LVAL; - return v2; -} - -ST_FUNC int pe_putimport(TCCState *s1, int dllindex, const char *name, addr_t value) -{ - return add_elf_sym( - s1->dynsymtab_section, - value, - dllindex, /* st_size */ - ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), - 0, - value ? SHN_ABS : SHN_UNDEF, - name - ); -} - -static int add_dllref(TCCState *s1, const char *dllname) -{ - DLLReference *dllref; - int i; - for (i = 0; i < s1->nb_loaded_dlls; ++i) - if (0 == strcmp(s1->loaded_dlls[i]->name, dllname)) - return i + 1; - dllref = tcc_mallocz(sizeof(DLLReference) + strlen(dllname)); - strcpy(dllref->name, dllname); - dynarray_add((void ***) &s1->loaded_dlls, &s1->nb_loaded_dlls, dllref); - return s1->nb_loaded_dlls; -} - -/* ------------------------------------------------------------- */ - -static int read_mem(int fd, unsigned offset, void *buffer, unsigned len) -{ - lseek(fd, offset, SEEK_SET); - return len == read(fd, buffer, len); -} - -/* ------------------------------------------------------------- - * This is for compiled windows resources in 'coff' format - * as generated by 'windres.exe -O coff ...'. - */ - -static int pe_load_res(TCCState *s1, int fd) -{ - struct pe_rsrc_header hdr; - Section *rsrc_section; - int i, ret = -1; - BYTE *ptr; - unsigned offs; - - if (!read_mem(fd, 0, &hdr, sizeof hdr)) - goto quit; - - if (hdr.filehdr.Machine != IMAGE_FILE_MACHINE - || hdr.filehdr.NumberOfSections != 1 - || strcmp(hdr.sectionhdr.Name, ".rsrc") != 0) - goto quit; - - rsrc_section = new_section(s1, ".rsrc", SHT_PROGBITS, SHF_ALLOC); - ptr = section_ptr_add(rsrc_section, hdr.sectionhdr.SizeOfRawData); - offs = hdr.sectionhdr.PointerToRawData; - if (!read_mem(fd, offs, ptr, hdr.sectionhdr.SizeOfRawData)) - goto quit; - offs = hdr.sectionhdr.PointerToRelocations; - for (i = 0; i < hdr.sectionhdr.NumberOfRelocations; ++i) - { - struct pe_rsrc_reloc rel; - if (!read_mem(fd, offs, &rel, sizeof rel)) - goto quit; - // printf("rsrc_reloc: %x %x %x\n", rel.offset, rel.size, rel.type); - if (rel.type != RSRC_RELTYPE) - goto quit; - put_elf_reloc(symtab_section, rsrc_section, - rel.offset, R_XXX_RELATIVE, 0); - offs += sizeof rel; - } - ret = 0; -quit: - return ret; -} - -/* ------------------------------------------------------------- */ -static char *trimfront(char *p) -{ - while (*p && (unsigned char)*p <= ' ') - ++p; - return p; -} - -static char *trimback(char *a, char *e) -{ - while (e > a && (unsigned char)e[-1] <= ' ') - --e; - *e = 0;; - return a; -} - -/* ------------------------------------------------------------- */ -static int pe_load_def(TCCState *s1, int fd) -{ - int state = 0, ret = -1, dllindex = 0, ord; - char line[400], dllname[80], *p, *x; - FILE *fp; - - fp = fdopen(dup(fd), "rb"); - while (fgets(line, sizeof line, fp)) - { - p = trimfront(trimback(line, strchr(line, 0))); - if (0 == *p || ';' == *p) - continue; - - switch (state) { - case 0: - if (0 != strnicmp(p, "LIBRARY", 7)) - goto quit; - pstrcpy(dllname, sizeof dllname, trimfront(p+7)); - ++state; - continue; - - case 1: - if (0 != stricmp(p, "EXPORTS")) - goto quit; - ++state; - continue; - - case 2: - dllindex = add_dllref(s1, dllname); - ++state; - /* fall through */ - default: - /* get ordinal and will store in sym->st_value */ - ord = 0; - x = strchr(p, ' '); - if (x) { - *x = 0, x = strrchr(x + 1, '@'); - if (x) { - char *d; - ord = (int)strtol(x + 1, &d, 10); - if (*d) - ord = 0; - } - } - pe_putimport(s1, dllindex, p, ord); - continue; - } - } - ret = 0; -quit: - fclose(fp); - return ret; -} - -/* ------------------------------------------------------------- */ -#define TINY_IMPDEF_GET_EXPORT_NAMES_ONLY -#include "../win32/tools/tiny_impdef.c" - -static int pe_load_dll(TCCState *s1, const char *dllname, int fd) -{ - char *p, *q; - int index; - p = get_export_names(fd); - if (!p) - return -1; - index = add_dllref(s1, dllname); - for (q = p; *q; q += 1 + strlen(q)) - pe_putimport(s1, index, q, 0); - tcc_free(p); - return 0; -} - -/* ------------------------------------------------------------- */ -ST_FUNC int pe_load_file(struct TCCState *s1, const char *filename, int fd) -{ - int ret = -1; - char buf[10]; - if (0 == strcmp(tcc_fileextension(filename), ".def")) - ret = pe_load_def(s1, fd); - else if (pe_load_res(s1, fd) == 0) - ret = 0; - else if (read_mem(fd, 0, buf, sizeof buf) && 0 == strncmp(buf, "MZ", 2)) - ret = pe_load_dll(s1, tcc_basename(filename), fd); - return ret; -} - -/* ------------------------------------------------------------- */ -#ifdef TCC_TARGET_X86_64 -static unsigned pe_add_uwwind_info(TCCState *s1) -{ - if (NULL == s1->uw_pdata) { - s1->uw_pdata = find_section(tcc_state, ".pdata"); - s1->uw_pdata->sh_addralign = 4; - s1->uw_sym = put_elf_sym(symtab_section, 0, 0, 0, 0, text_section->sh_num, NULL); - } - - if (0 == s1->uw_offs) { - /* As our functions all have the same stackframe, we use one entry for all */ - static const unsigned char uw_info[] = { - 0x01, // UBYTE: 3 Version , UBYTE: 5 Flags - 0x04, // UBYTE Size of prolog - 0x02, // UBYTE Count of unwind codes - 0x05, // UBYTE: 4 Frame Register (rbp), UBYTE: 4 Frame Register offset (scaled) - // USHORT * n Unwind codes array - // 0x0b, 0x01, 0xff, 0xff, // stack size - 0x04, 0x03, // set frame ptr (mov rsp -> rbp) - 0x01, 0x50 // push reg (rbp) - }; - - Section *s = text_section; - unsigned char *p; - - section_ptr_add(s, -s->data_offset & 3); /* align */ - s1->uw_offs = s->data_offset; - p = section_ptr_add(s, sizeof uw_info); - memcpy(p, uw_info, sizeof uw_info); - } - - return s1->uw_offs; -} - -ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack) -{ - TCCState *s1 = tcc_state; - Section *pd; - unsigned o, n, d; - struct /* _RUNTIME_FUNCTION */ { - DWORD BeginAddress; - DWORD EndAddress; - DWORD UnwindData; - } *p; - - d = pe_add_uwwind_info(s1); - pd = s1->uw_pdata; - o = pd->data_offset; - p = section_ptr_add(pd, sizeof *p); - - /* record this function */ - p->BeginAddress = start; - p->EndAddress = end; - p->UnwindData = d; - - /* put relocations on it */ - for (n = o + sizeof *p; o < n; o += sizeof p->BeginAddress) - put_elf_reloc(symtab_section, pd, o, R_X86_64_RELATIVE, s1->uw_sym); -} -#endif -/* ------------------------------------------------------------- */ -#ifdef TCC_TARGET_X86_64 -#define PE_STDSYM(n,s) n -#else -#define PE_STDSYM(n,s) "_" n s -#endif - -static void pe_add_runtime(TCCState *s1, struct pe_info *pe) -{ - const char *start_symbol; - int pe_type = 0; - - if (find_elf_sym(symtab_section, PE_STDSYM("WinMain","@16"))) - pe_type = PE_GUI; - else - if (TCC_OUTPUT_DLL == s1->output_type) { - pe_type = PE_DLL; - /* need this for 'tccelf.c:relocate_section()' */ - s1->output_type = TCC_OUTPUT_EXE; - } - else - pe_type = PE_EXE; - - start_symbol = - TCC_OUTPUT_MEMORY == s1->output_type - ? PE_GUI == pe_type ? "__runwinmain" : "_main" - : PE_DLL == pe_type ? PE_STDSYM("__dllstart","@12") - : PE_GUI == pe_type ? "__winstart" : "__start" - ; - - if (!s1->leading_underscore || strchr(start_symbol, '@')) - ++start_symbol; - - /* grab the startup code from libtcc1 */ - if (TCC_OUTPUT_MEMORY != s1->output_type || PE_GUI == pe_type) - add_elf_sym(symtab_section, - 0, 0, - ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0, - SHN_UNDEF, start_symbol); - - tcc_add_pragma_libs(s1); - - if (0 == s1->nostdlib) { - static const char *libs[] = { - "tcc1", "msvcrt", "kernel32", "", "user32", "gdi32", NULL - }; - const char **pp, *p; - for (pp = libs; 0 != (p = *pp); ++pp) { - if (0 == *p) { - if (PE_DLL != pe_type && PE_GUI != pe_type) - break; - } else if (tcc_add_library_err(s1, p) < 0) { - break; - } - } - } - - if (TCC_OUTPUT_MEMORY == s1->output_type) { - pe_type = PE_RUN; -#ifdef TCC_IS_NATIVE - s1->runtime_main = start_symbol; -#endif - } else { - pe->start_addr = (DWORD)(uintptr_t)tcc_get_symbol_err(s1, start_symbol); - } - - pe->type = pe_type; -} - -ST_FUNC int pe_output_file(TCCState * s1, const char *filename) -{ - int ret; - struct pe_info pe; - int i; - - memset(&pe, 0, sizeof pe); - pe.filename = filename; - pe.s1 = s1; - - pe_add_runtime(s1, &pe); - tcc_add_bcheck(s1); - relocate_common_syms(); /* assign bss adresses */ - tcc_add_linker_symbols(s1); - - ret = pe_check_symbols(&pe); - if (ret) - ; - else if (filename) { - if (PE_DLL == pe.type) { - pe.reloc = new_section(pe.s1, ".reloc", SHT_PROGBITS, 0); - /* XXX: check if is correct for arm-pe target */ - pe.imagebase = 0x10000000; - } else { -#if defined(TCC_TARGET_ARM) - pe.imagebase = 0x00010000; -#else - pe.imagebase = 0x00400000; -#endif - } - -#if defined(TCC_TARGET_ARM) - /* we use "console" subsystem by default */ - pe.subsystem = 9; -#else - if (PE_DLL == pe.type || PE_GUI == pe.type) - pe.subsystem = 2; - else - pe.subsystem = 3; -#endif - /* Allow override via -Wl,-subsystem=... option */ - if (s1->pe_subsystem != 0) - pe.subsystem = s1->pe_subsystem; - - /* set default file/section alignment */ - if (pe.subsystem == 1) { - pe.section_align = 0x20; - pe.file_align = 0x20; - } else { - pe.section_align = 0x1000; - pe.file_align = 0x200; - } - - if (s1->section_align != 0) - pe.section_align = s1->section_align; - if (s1->pe_file_align != 0) - pe.file_align = s1->pe_file_align; - - if ((pe.subsystem >= 10) && (pe.subsystem <= 12)) - pe.imagebase = 0; - - if (s1->has_text_addr) - pe.imagebase = s1->text_addr; - - pe_assign_addresses(&pe); - relocate_syms(s1, 0); - for (i = 1; i < s1->nb_sections; ++i) { - Section *s = s1->sections[i]; - if (s->reloc) { - relocate_section(s1, s); - pe_relocate_rva(&pe, s); - } - } - if (s1->nb_errors) - ret = -1; - else - ret = pe_write(&pe); - tcc_free(pe.sec_info); - } else { -#ifdef TCC_IS_NATIVE - pe.thunk = data_section; - pe_build_imports(&pe); -#endif - } - -#ifdef PE_PRINT_SECTIONS - pe_print_sections(s1, "tcc.log"); -#endif - return ret; -} - -/* ------------------------------------------------------------- */ diff --git a/src/tccpp.c b/src/tccpp.c deleted file mode 100644 index eed09b5..0000000 --- a/src/tccpp.c +++ /dev/null @@ -1,3430 +0,0 @@ -/* - * TCC - Tiny C Compiler - * - * Copyright (c) 2001-2004 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "tcc.h" - -/********************************************************/ -/* global variables */ - -ST_DATA int tok_flags; -ST_DATA int parse_flags; - -ST_DATA struct BufferedFile *file; -ST_DATA int ch, tok; -ST_DATA CValue tokc; -ST_DATA const int *macro_ptr; -ST_DATA CString tokcstr; /* current parsed string, if any */ - -/* display benchmark infos */ -ST_DATA int total_lines; -ST_DATA int total_bytes; -ST_DATA int tok_ident; -ST_DATA TokenSym **table_ident; - -/* ------------------------------------------------------------------------- */ - -static TokenSym *hash_ident[TOK_HASH_SIZE]; -static char token_buf[STRING_MAX_SIZE + 1]; -static unsigned char isidnum_table[256 - CH_EOF]; -/* isidnum_table flags: */ -#define IS_SPC 1 -#define IS_ID 2 -#define IS_NUM 4 - -static TokenString *macro_stack; - -static const char tcc_keywords[] = -#define DEF(id, str) str "\0" -#include "tcctok.h" -#undef DEF -; - -/* WARNING: the content of this string encodes token numbers */ -static const unsigned char tok_two_chars[] = -/* outdated -- gr - "<=\236>=\235!=\225&&\240||\241++\244--\242==\224<<\1>>\2+=\253" - "-=\255*=\252/=\257%=\245&=\246^=\336|=\374->\313..\250##\266"; -*/{ - '<','=', TOK_LE, - '>','=', TOK_GE, - '!','=', TOK_NE, - '&','&', TOK_LAND, - '|','|', TOK_LOR, - '+','+', TOK_INC, - '-','-', TOK_DEC, - '=','=', TOK_EQ, - '<','<', TOK_SHL, - '>','>', TOK_SAR, - '+','=', TOK_A_ADD, - '-','=', TOK_A_SUB, - '*','=', TOK_A_MUL, - '/','=', TOK_A_DIV, - '%','=', TOK_A_MOD, - '&','=', TOK_A_AND, - '^','=', TOK_A_XOR, - '|','=', TOK_A_OR, - '-','>', TOK_ARROW, - '.','.', 0xa8, // C++ token ? - '#','#', TOK_TWOSHARPS, - 0 -}; - -static void next_nomacro_spc(void); - -ST_FUNC void skip(int c) -{ - if (tok != c) - tcc_error("'%c' expected (got \"%s\")", c, get_tok_str(tok, &tokc)); - next(); -} - -ST_FUNC void expect(const char *msg) -{ - tcc_error("%s expected", msg); -} - -ST_FUNC void begin_macro(TokenString *str, int alloc) -{ - str->alloc = alloc; - str->prev = macro_stack; - str->prev_ptr = macro_ptr; - macro_ptr = str->str; - macro_stack = str; -} - -ST_FUNC void end_macro(void) -{ - TokenString *str = macro_stack; - macro_stack = str->prev; - macro_ptr = str->prev_ptr; - if (str->alloc == 2) { - str->alloc = 3; /* just mark as finished */ - } else { - tok_str_free(str->str); - if (str->alloc == 1) - tcc_free(str); - } -} - -/* ------------------------------------------------------------------------- */ -/* CString handling */ -static void cstr_realloc(CString *cstr, int new_size) -{ - int size; - void *data; - - size = cstr->size_allocated; - if (size == 0) - size = 8; /* no need to allocate a too small first string */ - while (size < new_size) - size = size * 2; - data = tcc_realloc(cstr->data_allocated, size); - cstr->data_allocated = data; - cstr->size_allocated = size; - cstr->data = data; -} - -/* add a byte */ -ST_FUNC void cstr_ccat(CString *cstr, int ch) -{ - int size; - size = cstr->size + 1; - if (size > cstr->size_allocated) - cstr_realloc(cstr, size); - ((unsigned char *)cstr->data)[size - 1] = ch; - cstr->size = size; -} - -ST_FUNC void cstr_cat(CString *cstr, const char *str) -{ - int c; - for(;;) { - c = *str; - if (c == '\0') - break; - cstr_ccat(cstr, c); - str++; - } -} - -/* add a wide char */ -ST_FUNC void cstr_wccat(CString *cstr, int ch) -{ - int size; - size = cstr->size + sizeof(nwchar_t); - if (size > cstr->size_allocated) - cstr_realloc(cstr, size); - *(nwchar_t *)(((unsigned char *)cstr->data) + size - sizeof(nwchar_t)) = ch; - cstr->size = size; -} - -ST_FUNC void cstr_new(CString *cstr) -{ - memset(cstr, 0, sizeof(CString)); -} - -/* free string and reset it to NULL */ -ST_FUNC void cstr_free(CString *cstr) -{ - tcc_free(cstr->data_allocated); - cstr_new(cstr); -} - -/* reset string to empty */ -ST_FUNC void cstr_reset(CString *cstr) -{ - cstr->size = 0; -} - -/* XXX: unicode ? */ -static void add_char(CString *cstr, int c) -{ - if (c == '\'' || c == '\"' || c == '\\') { - /* XXX: could be more precise if char or string */ - cstr_ccat(cstr, '\\'); - } - if (c >= 32 && c <= 126) { - cstr_ccat(cstr, c); - } else { - cstr_ccat(cstr, '\\'); - if (c == '\n') { - cstr_ccat(cstr, 'n'); - } else { - cstr_ccat(cstr, '0' + ((c >> 6) & 7)); - cstr_ccat(cstr, '0' + ((c >> 3) & 7)); - cstr_ccat(cstr, '0' + (c & 7)); - } - } -} - -/* ------------------------------------------------------------------------- */ -/* allocate a new token */ -static TokenSym *tok_alloc_new(TokenSym **pts, const char *str, int len) -{ - TokenSym *ts, **ptable; - int i; - - if (tok_ident >= SYM_FIRST_ANOM) - tcc_error("memory full (symbols)"); - - /* expand token table if needed */ - i = tok_ident - TOK_IDENT; - if ((i % TOK_ALLOC_INCR) == 0) { - ptable = tcc_realloc(table_ident, (i + TOK_ALLOC_INCR) * sizeof(TokenSym *)); - table_ident = ptable; - } - - ts = tcc_malloc(sizeof(TokenSym) + len); - table_ident[i] = ts; - ts->tok = tok_ident++; - ts->sym_define = NULL; - ts->sym_label = NULL; - ts->sym_struct = NULL; - ts->sym_identifier = NULL; - ts->len = len; - ts->hash_next = NULL; - memcpy(ts->str, str, len); - ts->str[len] = '\0'; - *pts = ts; - return ts; -} - -#define TOK_HASH_INIT 1 -#define TOK_HASH_FUNC(h, c) ((h) * 263 + (c)) - -/* find a token and add it if not found */ -ST_FUNC TokenSym *tok_alloc(const char *str, int len) -{ - TokenSym *ts, **pts; - int i; - unsigned int h; - - h = TOK_HASH_INIT; - for(i=0;ilen == len && !memcmp(ts->str, str, len)) - return ts; - pts = &(ts->hash_next); - } - return tok_alloc_new(pts, str, len); -} - -/* XXX: buffer overflow */ -/* XXX: float tokens */ -ST_FUNC const char *get_tok_str(int v, CValue *cv) -{ - static char buf[STRING_MAX_SIZE + 1]; - static CString cstr_buf; - CString *cstr; - char *p; - int i, len; - - /* NOTE: to go faster, we give a fixed buffer for small strings */ - cstr_reset(&cstr_buf); - cstr_buf.data = buf; - cstr_buf.size_allocated = sizeof(buf); - p = buf; - - switch(v) { - case TOK_CINT: - case TOK_CUINT: - /* XXX: not quite exact, but only useful for testing */ - sprintf(p, "%u", cv->ui); - break; - case TOK_CLLONG: - case TOK_CULLONG: - /* XXX: not quite exact, but only useful for testing */ -#ifdef _WIN32 - sprintf(p, "%u", (unsigned)cv->ull); -#else - sprintf(p, "%llu", cv->ull); -#endif - break; - case TOK_LCHAR: - cstr_ccat(&cstr_buf, 'L'); - case TOK_CCHAR: - cstr_ccat(&cstr_buf, '\''); - add_char(&cstr_buf, cv->i); - cstr_ccat(&cstr_buf, '\''); - cstr_ccat(&cstr_buf, '\0'); - break; - case TOK_PPNUM: - case TOK_PPSTR: - return (char*)cv->cstr->data; - case TOK_LSTR: - cstr_ccat(&cstr_buf, 'L'); - case TOK_STR: - cstr = cv->cstr; - cstr_ccat(&cstr_buf, '\"'); - if (v == TOK_STR) { - len = cstr->size - 1; - for(i=0;idata)[i]); - } else { - len = (cstr->size / sizeof(nwchar_t)) - 1; - for(i=0;idata)[i]); - } - cstr_ccat(&cstr_buf, '\"'); - cstr_ccat(&cstr_buf, '\0'); - break; - - case TOK_CFLOAT: - case TOK_CDOUBLE: - case TOK_CLDOUBLE: - case TOK_LINENUM: - return NULL; /* should not happen */ - - /* above tokens have value, the ones below don't */ - - case TOK_LT: - v = '<'; - goto addv; - case TOK_GT: - v = '>'; - goto addv; - case TOK_DOTS: - return strcpy(p, "..."); - case TOK_A_SHL: - return strcpy(p, "<<="); - case TOK_A_SAR: - return strcpy(p, ">>="); - default: - if (v < TOK_IDENT) { - /* search in two bytes table */ - const unsigned char *q = tok_two_chars; - while (*q) { - if (q[2] == v) { - *p++ = q[0]; - *p++ = q[1]; - *p = '\0'; - return buf; - } - q += 3; - } - if (v >= 127) { - sprintf(buf, "<%02x>", v); - return buf; - } - addv: - *p++ = v; - *p = '\0'; - } else if (v < tok_ident) { - return table_ident[v - TOK_IDENT]->str; - } else if (v >= SYM_FIRST_ANOM) { - /* special name for anonymous symbol */ - sprintf(p, "L.%u", v - SYM_FIRST_ANOM); - } else { - /* should never happen */ - return NULL; - } - break; - } - return cstr_buf.data; -} - -/* return the current character, handling end of block if necessary - (but not stray) */ -ST_FUNC int handle_eob(void) -{ - BufferedFile *bf = file; - int len; - - /* only tries to read if really end of buffer */ - if (bf->buf_ptr >= bf->buf_end) { - if (bf->fd != -1) { -#if defined(PARSE_DEBUG) - len = 1; -#else - len = IO_BUF_SIZE; -#endif - len = read(bf->fd, bf->buffer, len); - if (len < 0) - len = 0; - } else { - len = 0; - } - total_bytes += len; - bf->buf_ptr = bf->buffer; - bf->buf_end = bf->buffer + len; - *bf->buf_end = CH_EOB; - } - if (bf->buf_ptr < bf->buf_end) { - return bf->buf_ptr[0]; - } else { - bf->buf_ptr = bf->buf_end; - return CH_EOF; - } -} - -/* read next char from current input file and handle end of input buffer */ -ST_INLN void inp(void) -{ - ch = *(++(file->buf_ptr)); - /* end of buffer/file handling */ - if (ch == CH_EOB) - ch = handle_eob(); -} - -/* handle '\[\r]\n' */ -static int handle_stray_noerror(void) -{ - while (ch == '\\') { - inp(); - if (ch == '\n') { - file->line_num++; - inp(); - } else if (ch == '\r') { - inp(); - if (ch != '\n') - goto fail; - file->line_num++; - inp(); - } else { - fail: - return 1; - } - } - return 0; -} - -static void handle_stray(void) -{ - if (handle_stray_noerror()) - tcc_error("stray '\\' in program"); -} - -/* skip the stray and handle the \\n case. Output an error if - incorrect char after the stray */ -static int handle_stray1(uint8_t *p) -{ - int c; - - file->buf_ptr = p; - if (p >= file->buf_end) { - c = handle_eob(); - if (c != '\\') - return c; - p = file->buf_ptr; - } - ch = *p; - if (handle_stray_noerror()) { - if (!(parse_flags & PARSE_FLAG_ACCEPT_STRAYS)) - tcc_error("stray '\\' in program"); - *--file->buf_ptr = '\\'; - } - p = file->buf_ptr; - c = *p; - return c; -} - -/* handle just the EOB case, but not stray */ -#define PEEKC_EOB(c, p)\ -{\ - p++;\ - c = *p;\ - if (c == '\\') {\ - file->buf_ptr = p;\ - c = handle_eob();\ - p = file->buf_ptr;\ - }\ -} - -/* handle the complicated stray case */ -#define PEEKC(c, p)\ -{\ - p++;\ - c = *p;\ - if (c == '\\') {\ - c = handle_stray1(p);\ - p = file->buf_ptr;\ - }\ -} - -/* input with '\[\r]\n' handling. Note that this function cannot - handle other characters after '\', so you cannot call it inside - strings or comments */ -ST_FUNC void minp(void) -{ - inp(); - if (ch == '\\') - handle_stray(); -} - - -/* single line C++ comments */ -static uint8_t *parse_line_comment(uint8_t *p) -{ - int c; - - p++; - for(;;) { - c = *p; - redo: - if (c == '\n' || c == CH_EOF) { - break; - } else if (c == '\\') { - file->buf_ptr = p; - c = handle_eob(); - p = file->buf_ptr; - if (c == '\\') { - PEEKC_EOB(c, p); - if (c == '\n') { - file->line_num++; - PEEKC_EOB(c, p); - } else if (c == '\r') { - PEEKC_EOB(c, p); - if (c == '\n') { - file->line_num++; - PEEKC_EOB(c, p); - } - } - } else { - goto redo; - } - } else { - p++; - } - } - return p; -} - -/* C comments */ -ST_FUNC uint8_t *parse_comment(uint8_t *p) -{ - int c; - - p++; - for(;;) { - /* fast skip loop */ - for(;;) { - c = *p; - if (c == '\n' || c == '*' || c == '\\') - break; - p++; - c = *p; - if (c == '\n' || c == '*' || c == '\\') - break; - p++; - } - /* now we can handle all the cases */ - if (c == '\n') { - file->line_num++; - p++; - } else if (c == '*') { - p++; - for(;;) { - c = *p; - if (c == '*') { - p++; - } else if (c == '/') { - goto end_of_comment; - } else if (c == '\\') { - file->buf_ptr = p; - c = handle_eob(); - p = file->buf_ptr; - if (c == '\\') { - /* skip '\[\r]\n', otherwise just skip the stray */ - while (c == '\\') { - PEEKC_EOB(c, p); - if (c == '\n') { - file->line_num++; - PEEKC_EOB(c, p); - } else if (c == '\r') { - PEEKC_EOB(c, p); - if (c == '\n') { - file->line_num++; - PEEKC_EOB(c, p); - } - } else { - goto after_star; - } - } - } - } else { - break; - } - } - after_star: ; - } else { - /* stray, eob or eof */ - file->buf_ptr = p; - c = handle_eob(); - p = file->buf_ptr; - if (c == CH_EOF) { - tcc_error("unexpected end of file in comment"); - } else if (c == '\\') { - p++; - } - } - } - end_of_comment: - p++; - return p; -} - -#define cinp minp - -static inline void skip_spaces(void) -{ - while (isidnum_table[ch - CH_EOF] & IS_SPC) - cinp(); -} - -static inline int check_space(int t, int *spc) -{ - if (t < 256 && (isidnum_table[t - CH_EOF] & IS_SPC)) { - if (*spc) - return 1; - *spc = 1; - } else - *spc = 0; - return 0; -} - -/* parse a string without interpreting escapes */ -static uint8_t *parse_pp_string(uint8_t *p, - int sep, CString *str) -{ - int c; - p++; - for(;;) { - c = *p; - if (c == sep) { - break; - } else if (c == '\\') { - file->buf_ptr = p; - c = handle_eob(); - p = file->buf_ptr; - if (c == CH_EOF) { - unterminated_string: - /* XXX: indicate line number of start of string */ - tcc_error("missing terminating %c character", sep); - } else if (c == '\\') { - /* escape : just skip \[\r]\n */ - PEEKC_EOB(c, p); - if (c == '\n') { - file->line_num++; - p++; - } else if (c == '\r') { - PEEKC_EOB(c, p); - if (c != '\n') - expect("'\n' after '\r'"); - file->line_num++; - p++; - } else if (c == CH_EOF) { - goto unterminated_string; - } else { - if (str) { - cstr_ccat(str, '\\'); - cstr_ccat(str, c); - } - p++; - } - } - } else if (c == '\n') { - file->line_num++; - goto add_char; - } else if (c == '\r') { - PEEKC_EOB(c, p); - if (c != '\n') { - if (str) - cstr_ccat(str, '\r'); - } else { - file->line_num++; - goto add_char; - } - } else { - add_char: - if (str) - cstr_ccat(str, c); - p++; - } - } - p++; - return p; -} - -/* skip block of text until #else, #elif or #endif. skip also pairs of - #if/#endif */ -static void preprocess_skip(void) -{ - int a, start_of_line, c, in_warn_or_error; - uint8_t *p; - - p = file->buf_ptr; - a = 0; -redo_start: - start_of_line = 1; - in_warn_or_error = 0; - for(;;) { - redo_no_start: - c = *p; - switch(c) { - case ' ': - case '\t': - case '\f': - case '\v': - case '\r': - p++; - goto redo_no_start; - case '\n': - file->line_num++; - p++; - goto redo_start; - case '\\': - file->buf_ptr = p; - c = handle_eob(); - if (c == CH_EOF) { - expect("#endif"); - } else if (c == '\\') { - ch = file->buf_ptr[0]; - handle_stray_noerror(); - } - p = file->buf_ptr; - goto redo_no_start; - /* skip strings */ - case '\"': - case '\'': - if (in_warn_or_error) - goto _default; - p = parse_pp_string(p, c, NULL); - break; - /* skip comments */ - case '/': - if (in_warn_or_error) - goto _default; - file->buf_ptr = p; - ch = *p; - minp(); - p = file->buf_ptr; - if (ch == '*') { - p = parse_comment(p); - } else if (ch == '/') { - p = parse_line_comment(p); - } - break; - case '#': - p++; - if (start_of_line) { - file->buf_ptr = p; - next_nomacro(); - p = file->buf_ptr; - if (a == 0 && - (tok == TOK_ELSE || tok == TOK_ELIF || tok == TOK_ENDIF)) - goto the_end; - if (tok == TOK_IF || tok == TOK_IFDEF || tok == TOK_IFNDEF) - a++; - else if (tok == TOK_ENDIF) - a--; - else if( tok == TOK_ERROR || tok == TOK_WARNING) - in_warn_or_error = 1; - else if (tok == TOK_LINEFEED) - goto redo_start; - } else if (parse_flags & PARSE_FLAG_ASM_FILE) - p = parse_line_comment(p); - break; -_default: - default: - p++; - break; - } - start_of_line = 0; - } - the_end: ; - file->buf_ptr = p; -} - -/* ParseState handling */ - -/* XXX: currently, no include file info is stored. Thus, we cannot display - accurate messages if the function or data definition spans multiple - files */ - -/* save current parse state in 's' */ -ST_FUNC void save_parse_state(ParseState *s) -{ - s->line_num = file->line_num; - s->macro_ptr = macro_ptr; - s->tok = tok; - s->tokc = tokc; -} - -/* restore parse state from 's' */ -ST_FUNC void restore_parse_state(ParseState *s) -{ - file->line_num = s->line_num; - macro_ptr = s->macro_ptr; - tok = s->tok; - tokc = s->tokc; -} - -/* return the number of additional 'ints' necessary to store the - token */ -static inline int tok_size(const int *p) -{ - switch(*p) { - /* 4 bytes */ - case TOK_CINT: - case TOK_CUINT: - case TOK_CCHAR: - case TOK_LCHAR: - case TOK_CFLOAT: - case TOK_LINENUM: - return 1 + 1; - case TOK_STR: - case TOK_LSTR: - case TOK_PPNUM: - case TOK_PPSTR: - return 1 + ((sizeof(CString) + ((CString *)(p+1))->size + 3) >> 2); - case TOK_CDOUBLE: - case TOK_CLLONG: - case TOK_CULLONG: - return 1 + 2; - case TOK_CLDOUBLE: - return 1 + LDOUBLE_SIZE / 4; - default: - return 1 + 0; - } -} - -/* token string handling */ - -ST_INLN void tok_str_new(TokenString *s) -{ - s->str = NULL; - s->len = 0; - s->allocated_len = 0; - s->last_line_num = -1; -} - -ST_FUNC void tok_str_free(int *str) -{ - tcc_free(str); -} - -static int *tok_str_realloc(TokenString *s) -{ - int *str, len; - - if (s->allocated_len == 0) { - len = 8; - } else { - len = s->allocated_len * 2; - } - str = tcc_realloc(s->str, len * sizeof(int)); - s->allocated_len = len; - s->str = str; - return str; -} - -ST_FUNC void tok_str_add(TokenString *s, int t) -{ - int len, *str; - - len = s->len; - str = s->str; - if (len >= s->allocated_len) - str = tok_str_realloc(s); - str[len++] = t; - s->len = len; -} - -static void tok_str_add2(TokenString *s, int t, CValue *cv) -{ - int len, *str; - - len = s->len; - str = s->str; - - /* allocate space for worst case */ - if (len + TOK_MAX_SIZE > s->allocated_len) - str = tok_str_realloc(s); - str[len++] = t; - switch(t) { - case TOK_CINT: - case TOK_CUINT: - case TOK_CCHAR: - case TOK_LCHAR: - case TOK_CFLOAT: - case TOK_LINENUM: - str[len++] = cv->tab[0]; - break; - case TOK_PPNUM: - case TOK_PPSTR: - case TOK_STR: - case TOK_LSTR: - { - int nb_words; - CString *cstr; - - nb_words = (sizeof(CString) + cv->cstr->size + 3) >> 2; - while ((len + nb_words) > s->allocated_len) - str = tok_str_realloc(s); - cstr = (CString *)(str + len); - cstr->data = NULL; - cstr->size = cv->cstr->size; - cstr->data_allocated = NULL; - cstr->size_allocated = cstr->size; - memcpy((char *)cstr + sizeof(CString), - cv->cstr->data, cstr->size); - len += nb_words; - } - break; - case TOK_CDOUBLE: - case TOK_CLLONG: - case TOK_CULLONG: -#if LDOUBLE_SIZE == 8 - case TOK_CLDOUBLE: -#endif - str[len++] = cv->tab[0]; - str[len++] = cv->tab[1]; - break; -#if LDOUBLE_SIZE == 12 - case TOK_CLDOUBLE: - str[len++] = cv->tab[0]; - str[len++] = cv->tab[1]; - str[len++] = cv->tab[2]; -#elif LDOUBLE_SIZE == 16 - case TOK_CLDOUBLE: - str[len++] = cv->tab[0]; - str[len++] = cv->tab[1]; - str[len++] = cv->tab[2]; - str[len++] = cv->tab[3]; -#elif LDOUBLE_SIZE != 8 -#error add long double size support -#endif - break; - default: - break; - } - s->len = len; -} - -/* add the current parse token in token string 's' */ -ST_FUNC void tok_str_add_tok(TokenString *s) -{ - CValue cval; - - /* save line number info */ - if (file->line_num != s->last_line_num) { - s->last_line_num = file->line_num; - cval.i = s->last_line_num; - tok_str_add2(s, TOK_LINENUM, &cval); - } - tok_str_add2(s, tok, &tokc); -} - -/* get a token from an integer array and increment pointer - accordingly. we code it as a macro to avoid pointer aliasing. */ -static inline void TOK_GET(int *t, const int **pp, CValue *cv) -{ - const int *p = *pp; - int n, *tab; - - tab = cv->tab; - switch(*t = *p++) { - case TOK_CINT: - case TOK_CUINT: - case TOK_CCHAR: - case TOK_LCHAR: - case TOK_CFLOAT: - case TOK_LINENUM: - tab[0] = *p++; - break; - case TOK_STR: - case TOK_LSTR: - case TOK_PPNUM: - case TOK_PPSTR: - cv->cstr = (CString *)p; - cv->cstr->data = (char *)p + sizeof(CString); - p += (sizeof(CString) + cv->cstr->size + 3) >> 2; - break; - case TOK_CDOUBLE: - case TOK_CLLONG: - case TOK_CULLONG: - n = 2; - goto copy; - case TOK_CLDOUBLE: -#if LDOUBLE_SIZE == 16 - n = 4; -#elif LDOUBLE_SIZE == 12 - n = 3; -#elif LDOUBLE_SIZE == 8 - n = 2; -#else -# error add long double size support -#endif - copy: - do - *tab++ = *p++; - while (--n); - break; - default: - break; - } - *pp = p; -} - -static int macro_is_equal(const int *a, const int *b) -{ - char buf[STRING_MAX_SIZE + 1]; - CValue cv; - int t; - while (*a && *b) { - TOK_GET(&t, &a, &cv); - pstrcpy(buf, sizeof buf, get_tok_str(t, &cv)); - TOK_GET(&t, &b, &cv); - if (strcmp(buf, get_tok_str(t, &cv))) - return 0; - } - return !(*a || *b); -} - -static void pp_line(TCCState *s1, BufferedFile *f, int level) -{ - int d = f->line_num - f->line_ref; - if (s1->Pflag == LINE_MACRO_OUTPUT_FORMAT_NONE - || (level == 0 && f->line_ref && d < 8)) - { - while (d > 0) - fputs("\n", s1->ppfp), --d; - } - else - if (s1->Pflag == LINE_MACRO_OUTPUT_FORMAT_STD) { - fprintf(s1->ppfp, "#line %d \"%s\"\n", f->line_num, f->filename); - } - else { - fprintf(s1->ppfp, "# %d \"%s\"%s\n", f->line_num, f->filename, - level > 0 ? " 1" : level < 0 ? " 2" : ""); - } - f->line_ref = f->line_num; -} - -static void tok_print(const char *msg, const int *str) -{ - FILE *pr = tcc_state->ppfp; - int t; - CValue cval; - - fprintf(pr, "%s ", msg); - while (str) { - TOK_GET(&t, &str, &cval); - if (!t) - break; - fprintf(pr,"%s", get_tok_str(t, &cval)); - } - fprintf(pr, "\n"); -} - -static int define_print_prepared(Sym *s) -{ - if (!s || !tcc_state->ppfp || tcc_state->dflag == 0) - return 0; - - if (s->v < TOK_IDENT || s->v >= tok_ident) - return 0; - - if (file) { - file->line_num--; - pp_line(tcc_state, file, 0); - file->line_ref = ++file->line_num; - } - return 1; -} - -static void define_print(int v) -{ - FILE *pr = tcc_state->ppfp; - Sym *s, *a; - - s = define_find(v); - if (define_print_prepared(s) == 0) - return; - - fprintf(pr, "// #define %s", get_tok_str(v, NULL)); - if (s->type.t == MACRO_FUNC) { - a = s->next; - fprintf(pr,"("); - if (a) - for (;;) { - fprintf(pr,"%s", get_tok_str(a->v & ~SYM_FIELD, NULL)); - if (!(a = a->next)) - break; - fprintf(pr,","); - } - fprintf(pr,")"); - } - tok_print("", s->d); -} - -static void undef_print(int v) -{ - FILE *pr = tcc_state->ppfp; - Sym *s; - - s = define_find(v); - if (define_print_prepared(s) == 0) - return; - - fprintf(pr, "// #undef %s\n", get_tok_str(s->v, NULL)); -} - -ST_FUNC void print_defines(void) -{ - Sym *top = define_stack; - while (top) { - define_print(top->v); - top = top->prev; - } -} - -/* defines handling */ -ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg) -{ - Sym *s; - - s = define_find(v); - if (s && !macro_is_equal(s->d, str)) - tcc_warning("%s redefined", get_tok_str(v, NULL)); - - s = sym_push2(&define_stack, v, macro_type, 0); - s->d = str; - s->next = first_arg; - table_ident[v - TOK_IDENT]->sym_define = s; -} - -/* undefined a define symbol. Its name is just set to zero */ -ST_FUNC void define_undef(Sym *s) -{ - int v = s->v; - undef_print(v); - if (v >= TOK_IDENT && v < tok_ident) - table_ident[v - TOK_IDENT]->sym_define = NULL; -} - -ST_INLN Sym *define_find(int v) -{ - v -= TOK_IDENT; - if ((unsigned)v >= (unsigned)(tok_ident - TOK_IDENT)) - return NULL; - return table_ident[v]->sym_define; -} - -/* free define stack until top reaches 'b' */ -ST_FUNC void free_defines(Sym *b) -{ - Sym *top, *top1; - int v; - - top = define_stack; - while (top != b) { - top1 = top->prev; - /* do not free args or predefined defines */ - if (top->d) - tok_str_free(top->d); - v = top->v; - if (v >= TOK_IDENT && v < tok_ident) - table_ident[v - TOK_IDENT]->sym_define = NULL; - sym_free(top); - top = top1; - } - define_stack = b; -} - -/* label lookup */ -ST_FUNC Sym *label_find(int v) -{ - v -= TOK_IDENT; - if ((unsigned)v >= (unsigned)(tok_ident - TOK_IDENT)) - return NULL; - return table_ident[v]->sym_label; -} - -ST_FUNC Sym *label_push(Sym **ptop, int v, int flags) -{ - Sym *s, **ps; - s = sym_push2(ptop, v, 0, 0); - s->r = flags; - ps = &table_ident[v - TOK_IDENT]->sym_label; - if (ptop == &global_label_stack) { - /* modify the top most local identifier, so that - sym_identifier will point to 's' when popped */ - while (*ps != NULL) - ps = &(*ps)->prev_tok; - } - s->prev_tok = *ps; - *ps = s; - return s; -} - -/* pop labels until element last is reached. Look if any labels are - undefined. Define symbols if '&&label' was used. */ -ST_FUNC void label_pop(Sym **ptop, Sym *slast) -{ - Sym *s, *s1; - for(s = *ptop; s != slast; s = s1) { - s1 = s->prev; - if (s->r == LABEL_DECLARED) { - tcc_warning("label '%s' declared but not used", get_tok_str(s->v, NULL)); - } else if (s->r == LABEL_FORWARD) { - tcc_error("label '%s' used but not defined", - get_tok_str(s->v, NULL)); - } else { - if (s->c) { - /* define corresponding symbol. A size of - 1 is put. */ - put_extern_sym(s, cur_text_section, s->jnext, 1); - } - } - /* remove label */ - table_ident[s->v - TOK_IDENT]->sym_label = s->prev_tok; - sym_free(s); - } - *ptop = slast; -} - -/* eval an expression for #if/#elif */ -static int expr_preprocess(void) -{ - int c, t; - TokenString str; - - tok_str_new(&str); - while (tok != TOK_LINEFEED && tok != TOK_EOF) { - next(); /* do macro subst */ - if (tok == TOK_DEFINED) { - next_nomacro(); - t = tok; - if (t == '(') - next_nomacro(); - c = define_find(tok) != 0; - if (t == '(') - next_nomacro(); - tok = TOK_CINT; - tokc.i = c; - } else if (tok >= TOK_IDENT) { - /* if undefined macro */ - tok = TOK_CINT; - tokc.i = 0; - } - tok_str_add_tok(&str); - } - tok_str_add(&str, -1); /* simulate end of file */ - tok_str_add(&str, 0); - /* now evaluate C constant expression */ - begin_macro(&str, 0); - next(); - c = expr_const(); - end_macro(); - return c != 0; -} - - -/* parse after #define */ -ST_FUNC void parse_define(void) -{ - Sym *s, *first, **ps; - int v, t, varg, is_vaargs, spc; - int saved_parse_flags = parse_flags; - TokenString str; - - v = tok; - if (v < TOK_IDENT) - tcc_error("invalid macro name '%s'", get_tok_str(tok, &tokc)); - /* XXX: should check if same macro (ANSI) */ - first = NULL; - t = MACRO_OBJ; - /* '(' must be just after macro definition for MACRO_FUNC */ - parse_flags |= PARSE_FLAG_SPACES; - next_nomacro_spc(); - if (tok == '(') { - next_nomacro(); - ps = &first; - if (tok != ')') for (;;) { - varg = tok; - next_nomacro(); - is_vaargs = 0; - if (varg == TOK_DOTS) { - varg = TOK___VA_ARGS__; - is_vaargs = 1; - } else if (tok == TOK_DOTS && gnu_ext) { - is_vaargs = 1; - next_nomacro(); - } - if (varg < TOK_IDENT) - bad_list: - tcc_error("bad macro parameter list"); - s = sym_push2(&define_stack, varg | SYM_FIELD, is_vaargs, 0); - *ps = s; - ps = &s->next; - if (tok == ')') - break; - if (tok != ',' || is_vaargs) - goto bad_list; - next_nomacro(); - } - next_nomacro_spc(); - t = MACRO_FUNC; - } - tok_str_new(&str); - spc = 2; - parse_flags |= PARSE_FLAG_ACCEPT_STRAYS | PARSE_FLAG_SPACES | PARSE_FLAG_LINEFEED; - while (tok != TOK_LINEFEED && tok != TOK_EOF) { - /* remove spaces around ## and after '#' */ - if (TOK_TWOSHARPS == tok) { - if (2 == spc) - goto bad_twosharp; - if (1 == spc) - --str.len; - spc = 3; - } else if ('#' == tok) { - spc = 4; - } else if (check_space(tok, &spc)) { - goto skip; - } - tok_str_add2(&str, tok, &tokc); - skip: - next_nomacro_spc(); - } - - parse_flags = saved_parse_flags; - if (spc == 1) - --str.len; /* remove trailing space */ - tok_str_add(&str, 0); - if (3 == spc) -bad_twosharp: - tcc_error("'##' cannot appear at either end of macro"); - define_push(v, t, str.str, first); - define_print(v); -} - -static inline int hash_cached_include(const char *filename) -{ - const unsigned char *s; - unsigned int h; - - h = TOK_HASH_INIT; - s = (unsigned char *) filename; - while (*s) { - h = TOK_HASH_FUNC(h, *s); - s++; - } - h &= (CACHED_INCLUDES_HASH_SIZE - 1); - return h; -} - -static CachedInclude *search_cached_include(TCCState *s1, const char *filename) -{ - CachedInclude *e; - int i, h; - h = hash_cached_include(filename); - i = s1->cached_includes_hash[h]; - for(;;) { - if (i == 0) - break; - e = s1->cached_includes[i - 1]; - if (0 == PATHCMP(e->filename, filename)) - return e; - i = e->hash_next; - } - return NULL; -} - -static inline void add_cached_include(TCCState *s1, const char *filename, int ifndef_macro) -{ - CachedInclude *e; - int h; - - if (search_cached_include(s1, filename)) - return; -#ifdef INC_DEBUG - printf("adding cached '%s' %s\n", filename, get_tok_str(ifndef_macro, NULL)); -#endif - e = tcc_malloc(sizeof(CachedInclude) + strlen(filename)); - strcpy(e->filename, filename); - e->ifndef_macro = ifndef_macro; - dynarray_add((void ***)&s1->cached_includes, &s1->nb_cached_includes, e); - /* add in hash table */ - h = hash_cached_include(filename); - e->hash_next = s1->cached_includes_hash[h]; - s1->cached_includes_hash[h] = s1->nb_cached_includes; -} - -static void pragma_parse(TCCState *s1) -{ - next_nomacro(); - if (tok == TOK_push_macro || tok == TOK_pop_macro) { - int t = tok, v; - Sym *s; - - if (next(), tok != '(') - goto pragma_err; - if (next(), tok != TOK_STR) - goto pragma_err; - v = tok_alloc(tokc.cstr->data, tokc.cstr->size - 1)->tok; - if (next(), tok != ')') - goto pragma_err; - if (t == TOK_push_macro) { - while (NULL == (s = define_find(v))) - define_push(v, 0, NULL, NULL); - s->type.ref = s; /* set push boundary */ - } else { - for (s = define_stack; s; s = s->prev) - if (s->v == v && s->type.ref == s) { - s->type.ref = NULL; - break; - } - } - if (s) - table_ident[v - TOK_IDENT]->sym_define = s->d ? s : NULL; - else - tcc_warning("unbalanced #pragma pop_macro"); - - } else if (tok == TOK_once) { - add_cached_include(s1, file->filename, TOK_once); - - } else if (s1->ppfp) { - /* tcc -E: keep pragmas below unchanged */ - unget_tok(' '); - unget_tok(TOK_PRAGMA); - unget_tok('#'); - unget_tok(TOK_LINEFEED); - - } else if (tok == TOK_pack) { - /* This may be: - #pragma pack(1) // set - #pragma pack() // reset to default - #pragma pack(push,1) // push & set - #pragma pack(pop) // restore previous */ - next(); - skip('('); - if (tok == TOK_ASM_pop) { - next(); - if (s1->pack_stack_ptr <= s1->pack_stack) { - stk_error: - tcc_error("out of pack stack"); - } - s1->pack_stack_ptr--; - } else { - int val = 0; - if (tok != ')') { - if (tok == TOK_ASM_push) { - next(); - if (s1->pack_stack_ptr >= s1->pack_stack + PACK_STACK_SIZE - 1) - goto stk_error; - s1->pack_stack_ptr++; - skip(','); - } - if (tok != TOK_CINT) - goto pragma_err; - val = tokc.i; - if (val < 1 || val > 16 || (val & (val - 1)) != 0) - goto pragma_err; - next(); - } - *s1->pack_stack_ptr = val; - } - if (tok != ')') - goto pragma_err; - - } else if (tok == TOK_comment) { - char *file; - next(); - skip('('); - if (tok != TOK_lib) - goto pragma_warn; - next(); - skip(','); - if (tok != TOK_STR) - goto pragma_err; - file = tcc_strdup((char *)tokc.cstr->data); - dynarray_add((void ***)&s1->pragma_libs, &s1->nb_pragma_libs, file); - next(); - if (tok != ')') - goto pragma_err; - } else { -pragma_warn: - if (s1->warn_unsupported) - tcc_warning("#pragma %s is ignored", get_tok_str(tok, &tokc)); - } - return; - -pragma_err: - tcc_error("malformed #pragma directive"); - return; -} - -/* is_bof is true if first non space token at beginning of file */ -ST_FUNC void preprocess(int is_bof) -{ - TCCState *s1 = tcc_state; - int i, c, n, saved_parse_flags; - char buf[1024], *q; - Sym *s; - - saved_parse_flags = parse_flags; - parse_flags = PARSE_FLAG_PREPROCESS - | PARSE_FLAG_TOK_NUM - | PARSE_FLAG_TOK_STR - | PARSE_FLAG_LINEFEED - | (parse_flags & PARSE_FLAG_ASM_FILE) - ; - - next_nomacro(); - redo: - switch(tok) { - case TOK_DEFINE: - next_nomacro(); - parse_define(); - break; - case TOK_UNDEF: - next_nomacro(); - s = define_find(tok); - /* undefine symbol by putting an invalid name */ - if (s) - define_undef(s); - break; - case TOK_INCLUDE: - case TOK_INCLUDE_NEXT: - ch = file->buf_ptr[0]; - /* XXX: incorrect if comments : use next_nomacro with a special mode */ - skip_spaces(); - if (ch == '<') { - c = '>'; - goto read_name; - } else if (ch == '\"') { - c = ch; - read_name: - inp(); - q = buf; - while (ch != c && ch != '\n' && ch != CH_EOF) { - if ((q - buf) < sizeof(buf) - 1) - *q++ = ch; - if (ch == '\\') { - if (handle_stray_noerror() == 0) - --q; - } else - inp(); - } - *q = '\0'; - minp(); -#if 0 - /* eat all spaces and comments after include */ - /* XXX: slightly incorrect */ - while (ch1 != '\n' && ch1 != CH_EOF) - inp(); -#endif - } else { - /* computed #include : either we have only strings or - we have anything enclosed in '<>' */ - next(); - buf[0] = '\0'; - if (tok == TOK_STR) { - while (tok != TOK_LINEFEED) { - if (tok != TOK_STR) { - include_syntax: - tcc_error("'#include' expects \"FILENAME\" or "); - } - pstrcat(buf, sizeof(buf), (char *)tokc.cstr->data); - next(); - } - c = '\"'; - } else { - int len; - while (tok != TOK_LINEFEED) { - pstrcat(buf, sizeof(buf), get_tok_str(tok, &tokc)); - next(); - } - len = strlen(buf); - /* check syntax and remove '<>' */ - if (len < 2 || buf[0] != '<' || buf[len - 1] != '>') - goto include_syntax; - memmove(buf, buf + 1, len - 2); - buf[len - 2] = '\0'; - c = '>'; - } - } - - if (s1->include_stack_ptr >= s1->include_stack + INCLUDE_STACK_SIZE) - tcc_error("#include recursion too deep"); - /* store current file in stack, but increment stack later below */ - *s1->include_stack_ptr = file; - - n = s1->nb_include_paths + s1->nb_sysinclude_paths; - for (i = -2; i < n; ++i) { - char buf1[sizeof file->filename]; - CachedInclude *e; - BufferedFile **f; - const char *path; - - if (i == -2) { - /* check absolute include path */ - if (!IS_ABSPATH(buf)) - continue; - buf1[0] = 0; - i = n; /* force end loop */ - - } else if (i == -1) { - /* search in current dir if "header.h" */ - if (c != '\"') - continue; - path = file->filename; - pstrncpy(buf1, path, tcc_basename(path) - path); - - } else { - /* search in all the include paths */ - if (i < s1->nb_include_paths) - path = s1->include_paths[i]; - else - path = s1->sysinclude_paths[i - s1->nb_include_paths]; - pstrcpy(buf1, sizeof(buf1), path); - pstrcat(buf1, sizeof(buf1), "/"); - } - - pstrcat(buf1, sizeof(buf1), buf); - - if (tok == TOK_INCLUDE_NEXT) - for (f = s1->include_stack_ptr; f >= s1->include_stack; --f) - if (0 == PATHCMP((*f)->filename, buf1)) { -#ifdef INC_DEBUG - printf("%s: #include_next skipping %s\n", file->filename, buf1); -#endif - goto include_trynext; - } - - e = search_cached_include(s1, buf1); - if (e && (define_find(e->ifndef_macro) || e->ifndef_macro == TOK_once)) { - /* no need to parse the include because the 'ifndef macro' - is defined */ -#ifdef INC_DEBUG - printf("%s: skipping cached %s\n", file->filename, buf1); -#endif - goto include_done; - } - - if (tcc_open(s1, buf1) < 0) -include_trynext: - continue; - -#ifdef INC_DEBUG - printf("%s: including %s\n", file->prev->filename, file->filename); -#endif - /* update target deps */ - dynarray_add((void ***)&s1->target_deps, &s1->nb_target_deps, - tcc_strdup(buf1)); - /* push current file in stack */ - ++s1->include_stack_ptr; - /* add include file debug info */ - if (s1->do_debug) - put_stabs(file->filename, N_BINCL, 0, 0, 0); - tok_flags |= TOK_FLAG_BOF | TOK_FLAG_BOL; - ch = file->buf_ptr[0]; - goto the_end; - } - tcc_error("include file '%s' not found", buf); -include_done: - break; - case TOK_IFNDEF: - c = 1; - goto do_ifdef; - case TOK_IF: - c = expr_preprocess(); - goto do_if; - case TOK_IFDEF: - c = 0; - do_ifdef: - next_nomacro(); - if (tok < TOK_IDENT) - tcc_error("invalid argument for '#if%sdef'", c ? "n" : ""); - if (is_bof) { - if (c) { -#ifdef INC_DEBUG - printf("#ifndef %s\n", get_tok_str(tok, NULL)); -#endif - file->ifndef_macro = tok; - } - } - c = (define_find(tok) != 0) ^ c; - do_if: - if (s1->ifdef_stack_ptr >= s1->ifdef_stack + IFDEF_STACK_SIZE) - tcc_error("memory full (ifdef)"); - *s1->ifdef_stack_ptr++ = c; - goto test_skip; - case TOK_ELSE: - if (s1->ifdef_stack_ptr == s1->ifdef_stack) - tcc_error("#else without matching #if"); - if (s1->ifdef_stack_ptr[-1] & 2) - tcc_error("#else after #else"); - c = (s1->ifdef_stack_ptr[-1] ^= 3); - goto test_else; - case TOK_ELIF: - if (s1->ifdef_stack_ptr == s1->ifdef_stack) - tcc_error("#elif without matching #if"); - c = s1->ifdef_stack_ptr[-1]; - if (c > 1) - tcc_error("#elif after #else"); - /* last #if/#elif expression was true: we skip */ - if (c == 1) - goto skip; - c = expr_preprocess(); - s1->ifdef_stack_ptr[-1] = c; - test_else: - if (s1->ifdef_stack_ptr == file->ifdef_stack_ptr + 1) - file->ifndef_macro = 0; - test_skip: - if (!(c & 1)) { - skip: - preprocess_skip(); - is_bof = 0; - goto redo; - } - break; - case TOK_ENDIF: - if (s1->ifdef_stack_ptr <= file->ifdef_stack_ptr) - tcc_error("#endif without matching #if"); - s1->ifdef_stack_ptr--; - /* '#ifndef macro' was at the start of file. Now we check if - an '#endif' is exactly at the end of file */ - if (file->ifndef_macro && - s1->ifdef_stack_ptr == file->ifdef_stack_ptr) { - file->ifndef_macro_saved = file->ifndef_macro; - /* need to set to zero to avoid false matches if another - #ifndef at middle of file */ - file->ifndef_macro = 0; - while (tok != TOK_LINEFEED) - next_nomacro(); - tok_flags |= TOK_FLAG_ENDIF; - goto the_end; - } - break; - case TOK_PPNUM: - n = strtoul((char*)tokc.cstr->data, &q, 10); - goto _line_num; - case TOK_LINE: - next(); - if (tok != TOK_CINT) -_line_err: - tcc_error("wrong #line format"); - n = tokc.i; -_line_num: - next(); - if (tok != TOK_LINEFEED) { - if (tok == TOK_STR) - pstrcpy(file->filename, sizeof(file->filename), (char *)tokc.cstr->data); - else if (parse_flags & PARSE_FLAG_ASM_FILE) - break; - else - goto _line_err; - --n; - } - if (file->fd > 0) - total_lines += file->line_num - n; - file->line_num = n; - if (s1->do_debug) - put_stabs(file->filename, N_BINCL, 0, 0, 0); - break; - case TOK_ERROR: - case TOK_WARNING: - c = tok; - ch = file->buf_ptr[0]; - skip_spaces(); - q = buf; - while (ch != '\n' && ch != CH_EOF) { - if ((q - buf) < sizeof(buf) - 1) - *q++ = ch; - if (ch == '\\') { - if (handle_stray_noerror() == 0) - --q; - } else - inp(); - } - *q = '\0'; - if (c == TOK_ERROR) - tcc_error("#error %s", buf); - else - tcc_warning("#warning %s", buf); - break; - case TOK_PRAGMA: - pragma_parse(s1); - break; - case TOK_LINEFEED: - goto the_end; - default: - /* ignore gas line comment in an 'S' file. */ - if (saved_parse_flags & PARSE_FLAG_ASM_FILE) - goto ignore; - if (tok == '!' && is_bof) - /* '!' is ignored at beginning to allow C scripts. */ - goto ignore; - tcc_warning("Ignoring unknown preprocessing directive #%s", get_tok_str(tok, &tokc)); - ignore: - file->buf_ptr = parse_line_comment(file->buf_ptr); - goto the_end; - } - /* ignore other preprocess commands or #! for C scripts */ - while (tok != TOK_LINEFEED) - next_nomacro(); - the_end: - parse_flags = saved_parse_flags; -} - -/* evaluate escape codes in a string. */ -static void parse_escape_string(CString *outstr, const uint8_t *buf, int is_long) -{ - int c, n; - const uint8_t *p; - - p = buf; - for(;;) { - c = *p; - if (c == '\0') - break; - if (c == '\\') { - p++; - /* escape */ - c = *p; - switch(c) { - case '0': case '1': case '2': case '3': - case '4': case '5': case '6': case '7': - /* at most three octal digits */ - n = c - '0'; - p++; - c = *p; - if (isoct(c)) { - n = n * 8 + c - '0'; - p++; - c = *p; - if (isoct(c)) { - n = n * 8 + c - '0'; - p++; - } - } - c = n; - goto add_char_nonext; - case 'x': - case 'u': - case 'U': - p++; - n = 0; - for(;;) { - c = *p; - if (c >= 'a' && c <= 'f') - c = c - 'a' + 10; - else if (c >= 'A' && c <= 'F') - c = c - 'A' + 10; - else if (isnum(c)) - c = c - '0'; - else - break; - n = n * 16 + c; - p++; - } - c = n; - goto add_char_nonext; - case 'a': - c = '\a'; - break; - case 'b': - c = '\b'; - break; - case 'f': - c = '\f'; - break; - case 'n': - c = '\n'; - break; - case 'r': - c = '\r'; - break; - case 't': - c = '\t'; - break; - case 'v': - c = '\v'; - break; - case 'e': - if (!gnu_ext) - goto invalid_escape; - c = 27; - break; - case '\'': - case '\"': - case '\\': - case '?': - break; - default: - invalid_escape: - if (c >= '!' && c <= '~') - tcc_warning("unknown escape sequence: \'\\%c\'", c); - else - tcc_warning("unknown escape sequence: \'\\x%x\'", c); - break; - } - } - p++; - add_char_nonext: - if (!is_long) - cstr_ccat(outstr, c); - else - cstr_wccat(outstr, c); - } - /* add a trailing '\0' */ - if (!is_long) - cstr_ccat(outstr, '\0'); - else - cstr_wccat(outstr, '\0'); -} - -void parse_string(const char *s, int len) -{ - uint8_t buf[1000], *p = buf; - int is_long, sep; - - if ((is_long = *s == 'L')) - ++s, --len; - sep = *s++; - len -= 2; - if (len >= sizeof buf) - p = tcc_malloc(len + 1); - memcpy(p, s, len); - p[len] = 0; - - cstr_reset(&tokcstr); - parse_escape_string(&tokcstr, p, is_long); - if (p != buf) - tcc_free(p); - - if (sep == '\'') { - int char_size; - /* XXX: make it portable */ - if (!is_long) - char_size = 1; - else - char_size = sizeof(nwchar_t); - if (tokcstr.size <= char_size) - tcc_error("empty character constant"); - if (tokcstr.size > 2 * char_size) - tcc_warning("multi-character character constant"); - if (!is_long) { - tokc.i = *(int8_t *)tokcstr.data; - tok = TOK_CCHAR; - } else { - tokc.i = *(nwchar_t *)tokcstr.data; - tok = TOK_LCHAR; - } - } else { - tokc.cstr = &tokcstr; - if (!is_long) - tok = TOK_STR; - else - tok = TOK_LSTR; - } -} - -/* we use 64 bit numbers */ -#define BN_SIZE 2 - -/* bn = (bn << shift) | or_val */ -static void bn_lshift(unsigned int *bn, int shift, int or_val) -{ - int i; - unsigned int v; - for(i=0;i> (32 - shift); - } -} - -static void bn_zero(unsigned int *bn) -{ - int i; - for(i=0;i= 'a' && ch <= 'f') - t = ch - 'a' + 10; - else if (ch >= 'A' && ch <= 'F') - t = ch - 'A' + 10; - else if (isnum(ch)) - t = ch - '0'; - else - break; - if (t >= b) - break; - if (q >= token_buf + STRING_MAX_SIZE) { - num_too_long: - tcc_error("number too long"); - } - *q++ = ch; - ch = *p++; - } - if (ch == '.' || - ((ch == 'e' || ch == 'E') && b == 10) || - ((ch == 'p' || ch == 'P') && (b == 16 || b == 2))) { - if (b != 10) { - /* NOTE: strtox should support that for hexa numbers, but - non ISOC99 libcs do not support it, so we prefer to do - it by hand */ - /* hexadecimal or binary floats */ - /* XXX: handle overflows */ - *q = '\0'; - if (b == 16) - shift = 4; - else - shift = 1; - bn_zero(bn); - q = token_buf; - while (1) { - t = *q++; - if (t == '\0') { - break; - } else if (t >= 'a') { - t = t - 'a' + 10; - } else if (t >= 'A') { - t = t - 'A' + 10; - } else { - t = t - '0'; - } - bn_lshift(bn, shift, t); - } - frac_bits = 0; - if (ch == '.') { - ch = *p++; - while (1) { - t = ch; - if (t >= 'a' && t <= 'f') { - t = t - 'a' + 10; - } else if (t >= 'A' && t <= 'F') { - t = t - 'A' + 10; - } else if (t >= '0' && t <= '9') { - t = t - '0'; - } else { - break; - } - if (t >= b) - tcc_error("invalid digit"); - bn_lshift(bn, shift, t); - frac_bits += shift; - ch = *p++; - } - } - if (ch != 'p' && ch != 'P') - expect("exponent"); - ch = *p++; - s = 1; - exp_val = 0; - if (ch == '+') { - ch = *p++; - } else if (ch == '-') { - s = -1; - ch = *p++; - } - if (ch < '0' || ch > '9') - expect("exponent digits"); - while (ch >= '0' && ch <= '9') { - exp_val = exp_val * 10 + ch - '0'; - ch = *p++; - } - exp_val = exp_val * s; - - /* now we can generate the number */ - /* XXX: should patch directly float number */ - d = (double)bn[1] * 4294967296.0 + (double)bn[0]; - d = ldexp(d, exp_val - frac_bits); - t = toup(ch); - if (t == 'F') { - ch = *p++; - tok = TOK_CFLOAT; - /* float : should handle overflow */ - tokc.f = (float)d; - } else if (t == 'L') { - ch = *p++; -#ifdef TCC_TARGET_PE - tok = TOK_CDOUBLE; - tokc.d = d; -#else - tok = TOK_CLDOUBLE; - /* XXX: not large enough */ - tokc.ld = (long double)d; -#endif - } else { - tok = TOK_CDOUBLE; - tokc.d = d; - } - } else { - /* decimal floats */ - if (ch == '.') { - if (q >= token_buf + STRING_MAX_SIZE) - goto num_too_long; - *q++ = ch; - ch = *p++; - float_frac_parse: - while (ch >= '0' && ch <= '9') { - if (q >= token_buf + STRING_MAX_SIZE) - goto num_too_long; - *q++ = ch; - ch = *p++; - } - } - if (ch == 'e' || ch == 'E') { - if (q >= token_buf + STRING_MAX_SIZE) - goto num_too_long; - *q++ = ch; - ch = *p++; - if (ch == '-' || ch == '+') { - if (q >= token_buf + STRING_MAX_SIZE) - goto num_too_long; - *q++ = ch; - ch = *p++; - } - if (ch < '0' || ch > '9') - expect("exponent digits"); - while (ch >= '0' && ch <= '9') { - if (q >= token_buf + STRING_MAX_SIZE) - goto num_too_long; - *q++ = ch; - ch = *p++; - } - } - *q = '\0'; - t = toup(ch); - errno = 0; - if (t == 'F') { - ch = *p++; - tok = TOK_CFLOAT; - tokc.f = strtof(token_buf, NULL); - } else if (t == 'L') { - ch = *p++; -#ifdef TCC_TARGET_PE - tok = TOK_CDOUBLE; - tokc.d = strtod(token_buf, NULL); -#else - tok = TOK_CLDOUBLE; - tokc.ld = strtold(token_buf, NULL); -#endif - } else { - tok = TOK_CDOUBLE; - tokc.d = strtod(token_buf, NULL); - } - } - } else { - unsigned long long n, n1; - int lcount, ucount, must_64bit; - const char *p1; - - /* integer number */ - *q = '\0'; - q = token_buf; - if (b == 10 && *q == '0') { - b = 8; - q++; - } - n = 0; - while(1) { - t = *q++; - /* no need for checks except for base 10 / 8 errors */ - if (t == '\0') - break; - else if (t >= 'a') - t = t - 'a' + 10; - else if (t >= 'A') - t = t - 'A' + 10; - else - t = t - '0'; - if (t >= b) - tcc_error("invalid digit"); - n1 = n; - n = n * b + t; - /* detect overflow */ - /* XXX: this test is not reliable */ - if (n < n1) - tcc_error("integer constant overflow"); - } - - /* Determine the characteristics (unsigned and/or 64bit) the type of - the constant must have according to the constant suffix(es) */ - lcount = ucount = must_64bit = 0; - p1 = p; - for(;;) { - t = toup(ch); - if (t == 'L') { - if (lcount >= 2) - tcc_error("three 'l's in integer constant"); - if (lcount && *(p - 1) != ch) - tcc_error("incorrect integer suffix: %s", p1); - lcount++; -#if !defined TCC_TARGET_X86_64 || defined TCC_TARGET_PE - if (lcount == 2) -#endif - must_64bit = 1; - ch = *p++; - } else if (t == 'U') { - if (ucount >= 1) - tcc_error("two 'u's in integer constant"); - ucount++; - ch = *p++; - } else { - break; - } - } - - /* Whether 64 bits are needed to hold the constant's value */ - if (n & 0xffffffff00000000LL || must_64bit) { - tok = TOK_CLLONG; - n1 = n >> 32; - } else { - tok = TOK_CINT; - n1 = n; - } - - /* Whether type must be unsigned to hold the constant's value */ - if (ucount || ((n1 >> 31) && (b != 10))) { - if (tok == TOK_CLLONG) - tok = TOK_CULLONG; - else - tok = TOK_CUINT; - /* If decimal and no unsigned suffix, bump to 64 bits or throw error */ - } else if (n1 >> 31) { - if (tok == TOK_CINT) - tok = TOK_CLLONG; - else - tcc_error("integer constant overflow"); - } - - if (tok == TOK_CINT || tok == TOK_CUINT) - tokc.ui = n; - else - tokc.ull = n; - } - if (ch) - tcc_error("invalid number\n"); -} - - -#define PARSE2(c1, tok1, c2, tok2) \ - case c1: \ - PEEKC(c, p); \ - if (c == c2) { \ - p++; \ - tok = tok2; \ - } else { \ - tok = tok1; \ - } \ - break; - -/* return next token without macro substitution */ -static inline void next_nomacro1(void) -{ - int t, c, is_long; - TokenSym *ts; - uint8_t *p, *p1; - unsigned int h; - - p = file->buf_ptr; - redo_no_start: - c = *p; - switch(c) { - case ' ': - case '\t': - tok = c; - p++; - if (parse_flags & PARSE_FLAG_SPACES) - goto keep_tok_flags; - while (isidnum_table[*p - CH_EOF] & IS_SPC) - ++p; - goto redo_no_start; - case '\f': - case '\v': - case '\r': - p++; - goto redo_no_start; - case '\\': - /* first look if it is in fact an end of buffer */ - c = handle_stray1(p); - p = file->buf_ptr; - if (c == '\\') - goto parse_simple; - if (c != CH_EOF) - goto redo_no_start; - { - TCCState *s1 = tcc_state; - if ((parse_flags & PARSE_FLAG_LINEFEED) - && !(tok_flags & TOK_FLAG_EOF)) { - tok_flags |= TOK_FLAG_EOF; - tok = TOK_LINEFEED; - goto keep_tok_flags; - } else if (!(parse_flags & PARSE_FLAG_PREPROCESS)) { - tok = TOK_EOF; - } else if (s1->ifdef_stack_ptr != file->ifdef_stack_ptr) { - tcc_error("missing #endif"); - } else if (s1->include_stack_ptr == s1->include_stack) { - /* no include left : end of file. */ - tok = TOK_EOF; - } else { - tok_flags &= ~TOK_FLAG_EOF; - /* pop include file */ - - /* test if previous '#endif' was after a #ifdef at - start of file */ - if (tok_flags & TOK_FLAG_ENDIF) { -#ifdef INC_DEBUG - printf("#endif %s\n", get_tok_str(file->ifndef_macro_saved, NULL)); -#endif - add_cached_include(s1, file->filename, file->ifndef_macro_saved); - tok_flags &= ~TOK_FLAG_ENDIF; - } - - /* add end of include file debug info */ - if (tcc_state->do_debug) { - put_stabd(N_EINCL, 0, 0); - } - /* pop include stack */ - tcc_close(); - s1->include_stack_ptr--; - p = file->buf_ptr; - goto redo_no_start; - } - } - break; - - case '\n': - file->line_num++; - tok_flags |= TOK_FLAG_BOL; - p++; -maybe_newline: - if (0 == (parse_flags & PARSE_FLAG_LINEFEED)) - goto redo_no_start; - tok = TOK_LINEFEED; - goto keep_tok_flags; - - case '#': - /* XXX: simplify */ - PEEKC(c, p); - if ((tok_flags & TOK_FLAG_BOL) && - (parse_flags & PARSE_FLAG_PREPROCESS)) { - file->buf_ptr = p; - preprocess(tok_flags & TOK_FLAG_BOF); - p = file->buf_ptr; - goto maybe_newline; - } else { - if (c == '#') { - p++; - tok = TOK_TWOSHARPS; - } else { - if (parse_flags & PARSE_FLAG_ASM_FILE) { - p = parse_line_comment(p - 1); - goto redo_no_start; - } else { - tok = '#'; - } - } - } - break; - - /* dollar is allowed to start identifiers when not parsing asm */ - case '$': - if (!(isidnum_table[c - CH_EOF] & IS_ID) - || (parse_flags & PARSE_FLAG_ASM_FILE)) - goto parse_simple; - - case 'a': case 'b': case 'c': case 'd': - case 'e': case 'f': case 'g': case 'h': - case 'i': case 'j': case 'k': case 'l': - case 'm': case 'n': case 'o': case 'p': - case 'q': case 'r': case 's': case 't': - case 'u': case 'v': case 'w': case 'x': - case 'y': case 'z': - case 'A': case 'B': case 'C': case 'D': - case 'E': case 'F': case 'G': case 'H': - case 'I': case 'J': case 'K': - case 'M': case 'N': case 'O': case 'P': - case 'Q': case 'R': case 'S': case 'T': - case 'U': case 'V': case 'W': case 'X': - case 'Y': case 'Z': - case '_': - parse_ident_fast: - p1 = p; - h = TOK_HASH_INIT; - h = TOK_HASH_FUNC(h, c); - while (c = *++p, isidnum_table[c - CH_EOF] & (IS_ID|IS_NUM)) - h = TOK_HASH_FUNC(h, c); - if (c != '\\') { - TokenSym **pts; - int len; - - /* fast case : no stray found, so we have the full token - and we have already hashed it */ - len = p - p1; - h &= (TOK_HASH_SIZE - 1); - pts = &hash_ident[h]; - for(;;) { - ts = *pts; - if (!ts) - break; - if (ts->len == len && !memcmp(ts->str, p1, len)) - goto token_found; - pts = &(ts->hash_next); - } - ts = tok_alloc_new(pts, (char *) p1, len); - token_found: ; - } else { - /* slower case */ - cstr_reset(&tokcstr); - - while (p1 < p) { - cstr_ccat(&tokcstr, *p1); - p1++; - } - p--; - PEEKC(c, p); - parse_ident_slow: - while (isidnum_table[c - CH_EOF] & (IS_ID|IS_NUM)) { - cstr_ccat(&tokcstr, c); - PEEKC(c, p); - } - ts = tok_alloc(tokcstr.data, tokcstr.size); - } - tok = ts->tok; - break; - case 'L': - t = p[1]; - if (t != '\\' && t != '\'' && t != '\"') { - /* fast case */ - goto parse_ident_fast; - } else { - PEEKC(c, p); - if (c == '\'' || c == '\"') { - is_long = 1; - goto str_const; - } else { - cstr_reset(&tokcstr); - cstr_ccat(&tokcstr, 'L'); - goto parse_ident_slow; - } - } - break; - - case '0': case '1': case '2': case '3': - case '4': case '5': case '6': case '7': - case '8': case '9': - cstr_reset(&tokcstr); - /* after the first digit, accept digits, alpha, '.' or sign if - prefixed by 'eEpP' */ - parse_num: - for(;;) { - t = c; - cstr_ccat(&tokcstr, c); - PEEKC(c, p); - if (!((isidnum_table[c - CH_EOF] & (IS_ID|IS_NUM)) - || c == '.' - || ((c == '+' || c == '-') - && (t == 'e' || t == 'E' || t == 'p' || t == 'P') - ))) - break; - } - /* We add a trailing '\0' to ease parsing */ - cstr_ccat(&tokcstr, '\0'); - tokc.cstr = &tokcstr; - tok = TOK_PPNUM; - break; - - case '.': - /* special dot handling because it can also start a number */ - PEEKC(c, p); - if (isnum(c)) { - cstr_reset(&tokcstr); - cstr_ccat(&tokcstr, '.'); - goto parse_num; - } else if (c == '.') { - PEEKC(c, p); - if (c != '.') - expect("'.'"); - PEEKC(c, p); - tok = TOK_DOTS; - } else { - tok = '.'; - } - break; - case '\'': - case '\"': - is_long = 0; - str_const: - cstr_reset(&tokcstr); - if (is_long) - cstr_ccat(&tokcstr, 'L'); - cstr_ccat(&tokcstr, c); - p = parse_pp_string(p, c, &tokcstr); - cstr_ccat(&tokcstr, c); - cstr_ccat(&tokcstr, '\0'); - tokc.cstr = &tokcstr; - tok = TOK_PPSTR; - break; - - case '<': - PEEKC(c, p); - if (c == '=') { - p++; - tok = TOK_LE; - } else if (c == '<') { - PEEKC(c, p); - if (c == '=') { - p++; - tok = TOK_A_SHL; - } else { - tok = TOK_SHL; - } - } else { - tok = TOK_LT; - } - break; - case '>': - PEEKC(c, p); - if (c == '=') { - p++; - tok = TOK_GE; - } else if (c == '>') { - PEEKC(c, p); - if (c == '=') { - p++; - tok = TOK_A_SAR; - } else { - tok = TOK_SAR; - } - } else { - tok = TOK_GT; - } - break; - - case '&': - PEEKC(c, p); - if (c == '&') { - p++; - tok = TOK_LAND; - } else if (c == '=') { - p++; - tok = TOK_A_AND; - } else { - tok = '&'; - } - break; - - case '|': - PEEKC(c, p); - if (c == '|') { - p++; - tok = TOK_LOR; - } else if (c == '=') { - p++; - tok = TOK_A_OR; - } else { - tok = '|'; - } - break; - - case '+': - PEEKC(c, p); - if (c == '+') { - p++; - tok = TOK_INC; - } else if (c == '=') { - p++; - tok = TOK_A_ADD; - } else { - tok = '+'; - } - break; - - case '-': - PEEKC(c, p); - if (c == '-') { - p++; - tok = TOK_DEC; - } else if (c == '=') { - p++; - tok = TOK_A_SUB; - } else if (c == '>') { - p++; - tok = TOK_ARROW; - } else { - tok = '-'; - } - break; - - PARSE2('!', '!', '=', TOK_NE) - PARSE2('=', '=', '=', TOK_EQ) - PARSE2('*', '*', '=', TOK_A_MUL) - PARSE2('%', '%', '=', TOK_A_MOD) - PARSE2('^', '^', '=', TOK_A_XOR) - - /* comments or operator */ - case '/': - PEEKC(c, p); - if (c == '*') { - p = parse_comment(p); - /* comments replaced by a blank */ - tok = ' '; - goto keep_tok_flags; - } else if (c == '/') { - p = parse_line_comment(p); - tok = ' '; - goto keep_tok_flags; - } else if (c == '=') { - p++; - tok = TOK_A_DIV; - } else { - tok = '/'; - } - break; - - /* simple tokens */ - case '(': - case ')': - case '[': - case ']': - case '{': - case '}': - case ',': - case ';': - case ':': - case '?': - case '~': - case '@': /* only used in assembler */ - parse_simple: - tok = c; - p++; - break; - default: - tcc_error("unrecognized character \\x%02x", c); - break; - } - tok_flags = 0; -keep_tok_flags: - file->buf_ptr = p; -#if defined(PARSE_DEBUG) - printf("token = %s\n", get_tok_str(tok, &tokc)); -#endif -} - -/* return next token without macro substitution. Can read input from - macro_ptr buffer */ -static void next_nomacro_spc(void) -{ - if (macro_ptr) { - redo: - tok = *macro_ptr; - if (tok) { - TOK_GET(&tok, ¯o_ptr, &tokc); - if (tok == TOK_LINENUM) { - file->line_num = tokc.i; - goto redo; - } - } - } else { - next_nomacro1(); - } -} - -ST_FUNC void next_nomacro(void) -{ - do { - next_nomacro_spc(); - } while (tok < 256 && (isidnum_table[tok - CH_EOF] & IS_SPC)); -} - - -static void macro_subst( - TokenString *tok_str, - Sym **nested_list, - const int *macro_str, - int can_read_stream - ); - -/* substitute arguments in replacement lists in macro_str by the values in - args (field d) and return allocated string */ -static int *macro_arg_subst(Sym **nested_list, const int *macro_str, Sym *args) -{ - int t, t0, t1, spc; - const int *st; - Sym *s; - CValue cval; - TokenString str; - CString cstr; - - tok_str_new(&str); - t0 = t1 = 0; - while(1) { - TOK_GET(&t, ¯o_str, &cval); - if (!t) - break; - if (t == '#') { - /* stringize */ - TOK_GET(&t, ¯o_str, &cval); - if (!t) - goto bad_stringy; - s = sym_find2(args, t); - if (s) { - cstr_new(&cstr); - cstr_ccat(&cstr, '\"'); - st = s->d; - spc = 0; - while (*st) { - TOK_GET(&t, &st, &cval); - if (t != TOK_PLCHLDR - && t != TOK_NOSUBST - && 0 == check_space(t, &spc)) { - const char *s = get_tok_str(t, &cval); - while (*s) { - if (t == TOK_PPSTR && *s != '\'') - add_char(&cstr, *s); - else - cstr_ccat(&cstr, *s); - ++s; - } - } - } - cstr.size -= spc; - cstr_ccat(&cstr, '\"'); - cstr_ccat(&cstr, '\0'); -#ifdef PP_DEBUG - printf("\nstringize: <%s>\n", (char *)cstr.data); -#endif - /* add string */ - cval.cstr = &cstr; - tok_str_add2(&str, TOK_PPSTR, &cval); - cstr_free(cval.cstr); - } else { - bad_stringy: - expect("macro parameter after '#'"); - } - } else if (t >= TOK_IDENT) { - s = sym_find2(args, t); - if (s) { - int l0 = str.len; - st = s->d; - /* if '##' is present before or after, no arg substitution */ - if (*macro_str == TOK_TWOSHARPS || t1 == TOK_TWOSHARPS) { - /* special case for var arg macros : ## eats the ',' - if empty VA_ARGS variable. */ - if (t1 == TOK_TWOSHARPS && t0 == ',' && gnu_ext && s->type.t) { - if (*st == 0) { - /* suppress ',' '##' */ - str.len -= 2; - } else { - /* suppress '##' and add variable */ - str.len--; - goto add_var; - } - } else { - for(;;) { - int t1; - TOK_GET(&t1, &st, &cval); - if (!t1) - break; - tok_str_add2(&str, t1, &cval); - } - } - - } else { - add_var: - /* NOTE: the stream cannot be read when macro - substituing an argument */ - macro_subst(&str, nested_list, st, 0); - } - if (str.len == l0) /* exanded to empty string */ - tok_str_add(&str, TOK_PLCHLDR); - } else { - tok_str_add(&str, t); - } - } else { - tok_str_add2(&str, t, &cval); - } - t0 = t1, t1 = t; - } - tok_str_add(&str, 0); - return str.str; -} - -static char const ab_month_name[12][4] = -{ - "Jan", "Feb", "Mar", "Apr", "May", "Jun", - "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" -}; - -/* peek or read [ws_str == NULL] next token from function macro call, - walking up macro levels up to the file if necessary */ -static int next_argstream(Sym **nested_list, int can_read_stream, TokenString *ws_str) -{ - int t; - const int *p; - Sym *sa; - - for (;;) { - if (macro_ptr) { - p = macro_ptr, t = *p; - if (ws_str) { - while (is_space(t) || TOK_LINEFEED == t) - tok_str_add(ws_str, t), t = *++p; - } - if (t == 0 && can_read_stream) { - end_macro(); - /* also, end of scope for nested defined symbol */ - sa = *nested_list; - while (sa && sa->v == -1) - sa = sa->prev; - if (sa) - sa->v = -1; - continue; - } - } else { - ch = handle_eob(); - if (ws_str) { - while (is_space(ch) || ch == '\n' || ch == '/') { - if (ch == '/') { - int c; - uint8_t *p = file->buf_ptr; - PEEKC(c, p); - if (c == '*') { - p = parse_comment(p); - file->buf_ptr = p - 1; - } else if (c == '/') { - p = parse_line_comment(p); - file->buf_ptr = p - 1; - } else - break; - ch = ' '; - } - tok_str_add(ws_str, ch); - cinp(); - } - } - t = ch; - } - - if (ws_str) - return t; - next_nomacro_spc(); - return tok; - } -} - -/* do macro substitution of current token with macro 's' and add - result to (tok_str,tok_len). 'nested_list' is the list of all - macros we got inside to avoid recursing. Return non zero if no - substitution needs to be done */ -static int macro_subst_tok( - TokenString *tok_str, - Sym **nested_list, - Sym *s, - int can_read_stream) -{ - Sym *args, *sa, *sa1; - int parlevel, *mstr, t, t1, spc; - TokenString str; - char *cstrval; - CValue cval; - CString cstr; - char buf[32]; - - /* if symbol is a macro, prepare substitution */ - /* special macros */ - if (tok == TOK___LINE__) { - snprintf(buf, sizeof(buf), "%d", file->line_num); - cstrval = buf; - t1 = TOK_PPNUM; - goto add_cstr1; - } else if (tok == TOK___FILE__) { - cstrval = file->filename; - goto add_cstr; - } else if (tok == TOK___DATE__ || tok == TOK___TIME__) { - time_t ti; - struct tm *tm; - - time(&ti); - tm = localtime(&ti); - if (tok == TOK___DATE__) { - snprintf(buf, sizeof(buf), "%s %2d %d", - ab_month_name[tm->tm_mon], tm->tm_mday, tm->tm_year + 1900); - } else { - snprintf(buf, sizeof(buf), "%02d:%02d:%02d", - tm->tm_hour, tm->tm_min, tm->tm_sec); - } - cstrval = buf; - add_cstr: - t1 = TOK_STR; - add_cstr1: - cstr_new(&cstr); - cstr_cat(&cstr, cstrval); - cstr_ccat(&cstr, '\0'); - cval.cstr = &cstr; - tok_str_add2(tok_str, t1, &cval); - cstr_free(&cstr); - } else { - int saved_parse_flags = parse_flags; - - mstr = s->d; - if (s->type.t == MACRO_FUNC) { - /* whitespace between macro name and argument list */ - TokenString ws_str; - tok_str_new(&ws_str); - - spc = 0; - parse_flags |= PARSE_FLAG_SPACES | PARSE_FLAG_LINEFEED - | PARSE_FLAG_ACCEPT_STRAYS; - - /* get next token from argument stream */ - t = next_argstream(nested_list, can_read_stream, &ws_str); - if (t != '(') { - /* not a macro substitution after all, restore the - * macro token plus all whitespace we've read. - * whitespace is intentionally not merged to preserve - * newlines. */ - parse_flags = saved_parse_flags; - tok_str_add(tok_str, tok); - if (parse_flags & PARSE_FLAG_SPACES) { - int i; - for (i = 0; i < ws_str.len; i++) - tok_str_add(tok_str, ws_str.str[i]); - } - tok_str_free(ws_str.str); - return 0; - } else { - tok_str_free(ws_str.str); - } - next_nomacro(); /* eat '(' */ - - /* argument macro */ - args = NULL; - sa = s->next; - /* NOTE: empty args are allowed, except if no args */ - for(;;) { - do { - next_argstream(nested_list, can_read_stream, NULL); - } while (is_space(tok) || TOK_LINEFEED == tok); - empty_arg: - /* handle '()' case */ - if (!args && !sa && tok == ')') - break; - if (!sa) - tcc_error("macro '%s' used with too many args", - get_tok_str(s->v, 0)); - tok_str_new(&str); - parlevel = spc = 0; - /* NOTE: non zero sa->t indicates VA_ARGS */ - while ((parlevel > 0 || - (tok != ')' && - (tok != ',' || sa->type.t)))) { - if (tok == TOK_EOF || tok == 0) - break; - if (tok == '(') - parlevel++; - else if (tok == ')') - parlevel--; - if (tok == TOK_LINEFEED) - tok = ' '; - if (!check_space(tok, &spc)) - tok_str_add2(&str, tok, &tokc); - next_argstream(nested_list, can_read_stream, NULL); - } - if (parlevel) - expect(")"); - str.len -= spc; - tok_str_add(&str, 0); - sa1 = sym_push2(&args, sa->v & ~SYM_FIELD, sa->type.t, 0); - sa1->d = str.str; - sa = sa->next; - if (tok == ')') { - /* special case for gcc var args: add an empty - var arg argument if it is omitted */ - if (sa && sa->type.t && gnu_ext) - goto empty_arg; - break; - } - if (tok != ',') - expect(","); - } - if (sa) { - tcc_error("macro '%s' used with too few args", - get_tok_str(s->v, 0)); - } - - parse_flags = saved_parse_flags; - - /* now subst each arg */ - mstr = macro_arg_subst(nested_list, mstr, args); - /* free memory */ - sa = args; - while (sa) { - sa1 = sa->prev; - tok_str_free(sa->d); - sym_free(sa); - sa = sa1; - } - } - - sym_push2(nested_list, s->v, 0, 0); - parse_flags = saved_parse_flags; - macro_subst(tok_str, nested_list, mstr, can_read_stream); - - /* pop nested defined symbol */ - sa1 = *nested_list; - *nested_list = sa1->prev; - sym_free(sa1); - if (mstr != s->d) - tok_str_free(mstr); - } - return 0; -} - -int paste_tokens(int t1, CValue *v1, int t2, CValue *v2) -{ - CString cstr; - int n; - - cstr_new(&cstr); - if (t1 != TOK_PLCHLDR) - cstr_cat(&cstr, get_tok_str(t1, v1)); - n = cstr.size; - if (t2 != TOK_PLCHLDR) - cstr_cat(&cstr, get_tok_str(t2, v2)); - cstr_ccat(&cstr, '\0'); - - tcc_open_bf(tcc_state, ":paste:", cstr.size); - memcpy(file->buffer, cstr.data, cstr.size); - for (;;) { - next_nomacro1(); - if (0 == *file->buf_ptr) - break; - if (is_space(tok)) - continue; - tcc_warning("pasting <%.*s> and <%s> does not give a valid preprocessing token", - n, cstr.data, (char*)cstr.data + n); - break; - } - tcc_close(); - - //printf("paste <%s>\n", (char*)cstr.data); - cstr_free(&cstr); - return 0; -} - -/* handle the '##' operator. Return NULL if no '##' seen. Otherwise - return the resulting string (which must be freed). */ -static inline int *macro_twosharps(const int *ptr0) -{ - int t; - CValue cval; - TokenString macro_str1; - int start_of_nosubsts = -1; - const int *ptr; - - /* we search the first '##' */ - for (ptr = ptr0;;) { - TOK_GET(&t, &ptr, &cval); - if (t == TOK_TWOSHARPS) - break; - if (t == 0) - return NULL; - } - - tok_str_new(¯o_str1); - - //tok_print(" $$$", ptr0); - for (ptr = ptr0;;) { - TOK_GET(&t, &ptr, &cval); - if (t == 0) - break; - if (t == TOK_TWOSHARPS) - continue; - while (*ptr == TOK_TWOSHARPS) { - int t1; CValue cv1; - /* given 'a##b', remove nosubsts preceding 'a' */ - if (start_of_nosubsts >= 0) - macro_str1.len = start_of_nosubsts; - /* given 'a##b', remove nosubsts preceding 'b' */ - while ((t1 = *++ptr) == TOK_NOSUBST) - ; - if (t1 && t1 != TOK_TWOSHARPS - && t1 != ':') /* 'a##:' don't build a new token */ - { - TOK_GET(&t1, &ptr, &cv1); - if (t != TOK_PLCHLDR || t1 != TOK_PLCHLDR) { - paste_tokens(t, &cval, t1, &cv1); - t = tok, cval = tokc; - } - } - } - if (t == TOK_NOSUBST) { - if (start_of_nosubsts < 0) - start_of_nosubsts = macro_str1.len; - } else { - start_of_nosubsts = -1; - } - tok_str_add2(¯o_str1, t, &cval); - } - tok_str_add(¯o_str1, 0); - //tok_print(" ###", macro_str1.str); - return macro_str1.str; -} - -/* do macro substitution of macro_str and add result to - (tok_str,tok_len). 'nested_list' is the list of all macros we got - inside to avoid recursing. */ -static void macro_subst( - TokenString *tok_str, - Sym **nested_list, - const int *macro_str, - int can_read_stream - ) -{ - Sym *s; - const int *ptr; - int t, spc, nosubst; - CValue cval; - int *macro_str1 = NULL; - - /* first scan for '##' operator handling */ - ptr = macro_str; - spc = nosubst = 0; - - /* first scan for '##' operator handling */ - if (can_read_stream) { - macro_str1 = macro_twosharps(ptr); - if (macro_str1) - ptr = macro_str1; - } - - while (1) { - TOK_GET(&t, &ptr, &cval); - if (t == 0) - break; - - if (t >= TOK_IDENT && 0 == nosubst) { - s = define_find(t); - if (s == NULL) - goto no_subst; - - /* if nested substitution, do nothing */ - if (sym_find2(*nested_list, t)) { - /* and mark it as TOK_NOSUBST, so it doesn't get subst'd again */ - tok_str_add2(tok_str, TOK_NOSUBST, NULL); - goto no_subst; - } - - { - TokenString str; - str.str = (int*)ptr; - begin_macro(&str, 2); - - tok = t; - macro_subst_tok(tok_str, nested_list, s, can_read_stream); - - if (str.alloc == 3) { - /* already finished by reading function macro arguments */ - break; - } - - ptr = macro_ptr; - end_macro (); - } - - spc = tok_str->len && is_space(tok_str->str[tok_str->len-1]); - - } else { - - if (t == '\\' && !(parse_flags & PARSE_FLAG_ACCEPT_STRAYS)) - tcc_error("stray '\\' in program"); - -no_subst: - if (!check_space(t, &spc)) - tok_str_add2(tok_str, t, &cval); - nosubst = 0; - if (t == TOK_NOSUBST) - nosubst = 1; - } - } - if (macro_str1) - tok_str_free(macro_str1); - -} - -/* return next token with macro substitution */ -ST_FUNC void next(void) -{ - redo: - if (parse_flags & PARSE_FLAG_SPACES) - next_nomacro_spc(); - else - next_nomacro(); - - if (macro_ptr) { - if (tok == TOK_NOSUBST || tok == TOK_PLCHLDR) { - /* discard preprocessor markers */ - goto redo; - } else if (tok == 0) { - /* end of macro or unget token string */ - end_macro(); - goto redo; - } - } else if (tok >= TOK_IDENT && (parse_flags & PARSE_FLAG_PREPROCESS)) { - Sym *s; - /* if reading from file, try to substitute macros */ - s = define_find(tok); - if (s) { - static TokenString str; /* using static string for speed */ - Sym *nested_list = NULL; - tok_str_new(&str); - nested_list = NULL; - macro_subst_tok(&str, &nested_list, s, 1); - tok_str_add(&str, 0); - begin_macro(&str, 0); - goto redo; - } - } - /* convert preprocessor tokens into C tokens */ - if (tok == TOK_PPNUM) { - if (parse_flags & PARSE_FLAG_TOK_NUM) - parse_number((char *)tokc.cstr->data); - } else if (tok == TOK_PPSTR) { - if (parse_flags & PARSE_FLAG_TOK_STR) - parse_string((char *)tokc.cstr->data, tokc.cstr->size - 1); - } -} - -/* push back current token and set current token to 'last_tok'. Only - identifier case handled for labels. */ -ST_INLN void unget_tok(int last_tok) -{ - TokenString *str = tcc_malloc(sizeof *str); - tok_str_new(str); - tok_str_add2(str, tok, &tokc); - tok_str_add(str, 0); - begin_macro(str, 1); - tok = last_tok; -} - -/* better than nothing, but needs extension to handle '-E' option - correctly too */ -ST_FUNC void preprocess_init(TCCState *s1) -{ - s1->include_stack_ptr = s1->include_stack; - /* XXX: move that before to avoid having to initialize - file->ifdef_stack_ptr ? */ - s1->ifdef_stack_ptr = s1->ifdef_stack; - file->ifdef_stack_ptr = s1->ifdef_stack_ptr; - - pvtop = vtop = vstack - 1; - s1->pack_stack[0] = 0; - s1->pack_stack_ptr = s1->pack_stack; - - isidnum_table['$' - CH_EOF] = - tcc_state->dollars_in_identifiers ? IS_ID : 0; -} - -ST_FUNC void preprocess_new(void) -{ - int i, c; - const char *p, *r; - - /* init isid table */ - for(i = CH_EOF; i<256; i++) - isidnum_table[i - CH_EOF] - = is_space(i) ? IS_SPC - : isid(i) ? IS_ID - : isnum(i) ? IS_NUM - : 0; - - memset(hash_ident, 0, TOK_HASH_SIZE * sizeof(TokenSym *)); - - tok_ident = TOK_IDENT; - p = tcc_keywords; - while (*p) { - r = p; - for(;;) { - c = *r++; - if (c == '\0') - break; - } - tok_alloc(p, r - p - 1); - p = r; - } -} - -ST_FUNC void preprocess_delete(void) -{ - int i, n; - - /* free -D and compiler defines */ - free_defines(NULL); - - /* cleanup from error/setjmp */ - while (macro_stack) - end_macro(); - macro_ptr = NULL; - - /* free tokens */ - n = tok_ident - TOK_IDENT; - for(i = 0; i < n; i++) - tcc_free(table_ident[i]); - tcc_free(table_ident); - table_ident = NULL; -} - -/* Preprocess the current file */ -ST_FUNC int tcc_preprocess(TCCState *s1) -{ - BufferedFile **iptr; - int token_seen, spcs, level; - - preprocess_init(s1); - ch = file->buf_ptr[0]; - tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF; - parse_flags = PARSE_FLAG_PREPROCESS - | (parse_flags & PARSE_FLAG_ASM_FILE) - | PARSE_FLAG_LINEFEED - | PARSE_FLAG_SPACES - | PARSE_FLAG_ACCEPT_STRAYS - ; - -#ifdef PP_BENCH - do next(); while (tok != TOK_EOF); return 0; -#endif - - token_seen = spcs = 0; - pp_line(s1, file, 0); - - for (;;) { - iptr = s1->include_stack_ptr; - next(); - if (tok == TOK_EOF) - break; - level = s1->include_stack_ptr - iptr; - if (level) { - if (level > 0) - pp_line(s1, *iptr, 0); - pp_line(s1, file, level); - } - - if (0 == token_seen) { - if (tok == ' ') { - ++spcs; - continue; - } - if (tok == TOK_LINEFEED) { - spcs = 0; - continue; - } - pp_line(s1, file, 0); - while (spcs) - fputs(" ", s1->ppfp), --spcs; - token_seen = 1; - - } else if (tok == TOK_LINEFEED) { - ++file->line_ref; - token_seen = 0; - } - - fputs(get_tok_str(tok, &tokc), s1->ppfp); - } - - return 0; -} diff --git a/src/tccrun.c b/src/tccrun.c deleted file mode 100644 index cb98392..0000000 --- a/src/tccrun.c +++ /dev/null @@ -1,772 +0,0 @@ -/* - * TCC - Tiny C Compiler - Support for -run switch - * - * Copyright (c) 2001-2004 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "tcc.h" - -/* only native compiler supports -run */ -#ifdef TCC_IS_NATIVE - -#ifdef CONFIG_TCC_BACKTRACE -ST_DATA int rt_num_callers = 6; -ST_DATA const char **rt_bound_error_msg; -ST_DATA void *rt_prog_main; -#endif - -#ifdef _WIN32 -#define ucontext_t CONTEXT -#endif - -static void set_pages_executable(void *ptr, unsigned long length); -static void set_exception_handler(void); -static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level); -static void rt_error(ucontext_t *uc, const char *fmt, ...); -static int tcc_relocate_ex(TCCState *s1, void *ptr); - -#ifdef _WIN64 -static void win64_add_function_table(TCCState *s1); -#endif - -/* ------------------------------------------------------------- */ -/* Do all relocations (needed before using tcc_get_symbol()) - Returns -1 on error. */ - -LIBTCCAPI int tcc_relocate(TCCState *s1, void *ptr) -{ - int ret; - - if (TCC_RELOCATE_AUTO != ptr) - return tcc_relocate_ex(s1, ptr); - - ret = tcc_relocate_ex(s1, NULL); - if (ret < 0) - return ret; - -#ifdef HAVE_SELINUX - { /* Use mmap instead of malloc for Selinux. Ref: - http://www.gnu.org/s/libc/manual/html_node/File-Size.html */ - - char tmpfname[] = "/tmp/.tccrunXXXXXX"; - int fd = mkstemp (tmpfname); - - s1->mem_size = ret; - unlink (tmpfname); - ftruncate (fd, s1->mem_size); - - s1->write_mem = mmap (NULL, ret, PROT_READ|PROT_WRITE, - MAP_SHARED, fd, 0); - if (s1->write_mem == MAP_FAILED) - tcc_error("/tmp not writeable"); - - s1->runtime_mem = mmap (NULL, ret, PROT_READ|PROT_EXEC, - MAP_SHARED, fd, 0); - if (s1->runtime_mem == MAP_FAILED) - tcc_error("/tmp not executable"); - - ret = tcc_relocate_ex(s1, s1->write_mem); - } -#else - s1->runtime_mem = tcc_malloc(ret); - ret = tcc_relocate_ex(s1, s1->runtime_mem); -#endif - return ret; -} - -/* launch the compiled program with the given arguments */ -LIBTCCAPI int tcc_run(TCCState *s1, int argc, char **argv) -{ - int (*prog_main)(int, char **); - int ret; - - if (tcc_relocate(s1, TCC_RELOCATE_AUTO) < 0) - return -1; - - prog_main = tcc_get_symbol_err(s1, s1->runtime_main); - -#ifdef CONFIG_TCC_BACKTRACE - if (s1->do_debug) { - set_exception_handler(); - rt_prog_main = prog_main; - } -#endif - -#ifdef CONFIG_TCC_BCHECK - if (s1->do_bounds_check) { - void (*bound_init)(void); - void (*bound_exit)(void); - void (*bound_new_region)(void *p, addr_t size); - int (*bound_delete_region)(void *p); - int i; - - /* set error function */ - rt_bound_error_msg = tcc_get_symbol_err(s1, "__bound_error_msg"); - /* XXX: use .init section so that it also work in binary ? */ - bound_init = tcc_get_symbol_err(s1, "__bound_init"); - bound_exit = tcc_get_symbol_err(s1, "__bound_exit"); - bound_new_region = tcc_get_symbol_err(s1, "__bound_new_region"); - bound_delete_region = tcc_get_symbol_err(s1, "__bound_delete_region"); - bound_init(); - /* mark argv area as valid */ - bound_new_region(argv, argc*sizeof(argv[0])); - for (i=0; inb_errors = 0; -#ifdef TCC_TARGET_PE - pe_output_file(s1, NULL); -#else - tcc_add_runtime(s1); - relocate_common_syms(); - tcc_add_linker_symbols(s1); - build_got_entries(s1); -#endif - if (s1->nb_errors) - return -1; - } - - offset = 0, mem = (addr_t)ptr; - for(i = 1; i < s1->nb_sections; i++) { - s = s1->sections[i]; - if (0 == (s->sh_flags & SHF_ALLOC)) - continue; - length = s->data_offset; - s->sh_addr = mem ? (mem + offset + 15) & ~15 : 0; - offset = (offset + length + 15) & ~15; - } - offset += 16; - - /* relocate symbols */ - relocate_syms(s1, 1); - if (s1->nb_errors) - return -1; - - if (0 == mem) - return offset; - - /* relocate each section */ - for(i = 1; i < s1->nb_sections; i++) { - s = s1->sections[i]; - if (s->reloc) - relocate_section(s1, s); - } - relocate_plt(s1); - - for(i = 1; i < s1->nb_sections; i++) { - s = s1->sections[i]; - if (0 == (s->sh_flags & SHF_ALLOC)) - continue; - length = s->data_offset; - // printf("%-12s %08lx %04x\n", s->name, s->sh_addr, length); - ptr = (void*)s->sh_addr; - if (NULL == s->data || s->sh_type == SHT_NOBITS) - memset(ptr, 0, length); - else - memcpy(ptr, s->data, length); - /* mark executable sections as executable in memory */ - if (s->sh_flags & SHF_EXECINSTR) - set_pages_executable(ptr, length); - } - -#ifdef _WIN64 - win64_add_function_table(s1); -#endif - return 0; -} - -/* ------------------------------------------------------------- */ -/* allow to run code in memory */ - -static void set_pages_executable(void *ptr, unsigned long length) -{ -#ifdef _WIN32 - unsigned long old_protect; - VirtualProtect(ptr, length, PAGE_EXECUTE_READWRITE, &old_protect); -#else - extern void __clear_cache(char *beginning, char *end); -#ifndef PAGESIZE -# define PAGESIZE 4096 -#endif - addr_t start, end; - start = (addr_t)ptr & ~(PAGESIZE - 1); - end = (addr_t)ptr + length; - end = (end + PAGESIZE - 1) & ~(PAGESIZE - 1); - mprotect((void *)start, end - start, PROT_READ | PROT_WRITE | PROT_EXEC); - __clear_cache(ptr, ptr + length); -#endif -} - -/* ------------------------------------------------------------- */ -#ifdef CONFIG_TCC_BACKTRACE - -ST_FUNC void tcc_set_num_callers(int n) -{ - rt_num_callers = n; -} - -/* print the position in the source file of PC value 'pc' by reading - the stabs debug information */ -static addr_t rt_printline(addr_t wanted_pc, const char *msg) -{ - char func_name[128], last_func_name[128]; - addr_t func_addr, last_pc, pc; - const char *incl_files[INCLUDE_STACK_SIZE]; - int incl_index, len, last_line_num, i; - const char *str, *p; - - Stab_Sym *stab_sym = NULL, *stab_sym_end, *sym; - int stab_len = 0; - char *stab_str = NULL; - - if (stab_section) { - stab_len = stab_section->data_offset; - stab_sym = (Stab_Sym *)stab_section->data; - stab_str = (char *) stabstr_section->data; - } - - func_name[0] = '\0'; - func_addr = 0; - incl_index = 0; - last_func_name[0] = '\0'; - last_pc = (addr_t)-1; - last_line_num = 1; - - if (!stab_sym) - goto no_stabs; - - stab_sym_end = (Stab_Sym*)((char*)stab_sym + stab_len); - for (sym = stab_sym + 1; sym < stab_sym_end; ++sym) { - switch(sym->n_type) { - /* function start or end */ - case N_FUN: - if (sym->n_strx == 0) { - /* we test if between last line and end of function */ - pc = sym->n_value + func_addr; - if (wanted_pc >= last_pc && wanted_pc < pc) - goto found; - func_name[0] = '\0'; - func_addr = 0; - } else { - str = stab_str + sym->n_strx; - p = strchr(str, ':'); - if (!p) { - pstrcpy(func_name, sizeof(func_name), str); - } else { - len = p - str; - if (len > sizeof(func_name) - 1) - len = sizeof(func_name) - 1; - memcpy(func_name, str, len); - func_name[len] = '\0'; - } - func_addr = sym->n_value; - } - break; - /* line number info */ - case N_SLINE: - pc = sym->n_value + func_addr; - if (wanted_pc >= last_pc && wanted_pc < pc) - goto found; - last_pc = pc; - last_line_num = sym->n_desc; - /* XXX: slow! */ - strcpy(last_func_name, func_name); - break; - /* include files */ - case N_BINCL: - str = stab_str + sym->n_strx; - add_incl: - if (incl_index < INCLUDE_STACK_SIZE) { - incl_files[incl_index++] = str; - } - break; - case N_EINCL: - if (incl_index > 1) - incl_index--; - break; - case N_SO: - if (sym->n_strx == 0) { - incl_index = 0; /* end of translation unit */ - } else { - str = stab_str + sym->n_strx; - /* do not add path */ - len = strlen(str); - if (len > 0 && str[len - 1] != '/') - goto add_incl; - } - break; - } - } - -no_stabs: - /* second pass: we try symtab symbols (no line number info) */ - incl_index = 0; - if (symtab_section) - { - ElfW(Sym) *sym, *sym_end; - int type; - - sym_end = (ElfW(Sym) *)(symtab_section->data + symtab_section->data_offset); - for(sym = (ElfW(Sym) *)symtab_section->data + 1; - sym < sym_end; - sym++) { - type = ELFW(ST_TYPE)(sym->st_info); - if (type == STT_FUNC || type == STT_GNU_IFUNC) { - if (wanted_pc >= sym->st_value && - wanted_pc < sym->st_value + sym->st_size) { - pstrcpy(last_func_name, sizeof(last_func_name), - (char *) strtab_section->data + sym->st_name); - func_addr = sym->st_value; - goto found; - } - } - } - } - /* did not find any info: */ - fprintf(stderr, "%s %p ???\n", msg, (void*)wanted_pc); - fflush(stderr); - return 0; - found: - i = incl_index; - if (i > 0) - fprintf(stderr, "%s:%d: ", incl_files[--i], last_line_num); - fprintf(stderr, "%s %p", msg, (void*)wanted_pc); - if (last_func_name[0] != '\0') - fprintf(stderr, " %s()", last_func_name); - if (--i >= 0) { - fprintf(stderr, " (included from "); - for (;;) { - fprintf(stderr, "%s", incl_files[i]); - if (--i < 0) - break; - fprintf(stderr, ", "); - } - fprintf(stderr, ")"); - } - fprintf(stderr, "\n"); - fflush(stderr); - return func_addr; -} - -/* emit a run time error at position 'pc' */ -static void rt_error(ucontext_t *uc, const char *fmt, ...) -{ - va_list ap; - addr_t pc; - int i; - - fprintf(stderr, "Runtime error: "); - va_start(ap, fmt); - vfprintf(stderr, fmt, ap); - va_end(ap); - fprintf(stderr, "\n"); - - for(i=0;isi_code) { - case FPE_INTDIV: - case FPE_FLTDIV: - rt_error(uc, "division by zero"); - break; - default: - rt_error(uc, "floating point exception"); - break; - } - break; - case SIGBUS: - case SIGSEGV: - if (rt_bound_error_msg && *rt_bound_error_msg) - rt_error(uc, *rt_bound_error_msg); - else - rt_error(uc, "dereferencing invalid pointer"); - break; - case SIGILL: - rt_error(uc, "illegal instruction"); - break; - case SIGABRT: - rt_error(uc, "abort() called"); - break; - default: - rt_error(uc, "caught signal %d", signum); - break; - } - exit(255); -} - -#ifndef SA_SIGINFO -# define SA_SIGINFO 0x00000004u -#endif - -/* Generate a stack backtrace when a CPU exception occurs. */ -static void set_exception_handler(void) -{ - struct sigaction sigact; - /* install TCC signal handlers to print debug info on fatal - runtime errors */ - sigact.sa_flags = SA_SIGINFO | SA_RESETHAND; - sigact.sa_sigaction = sig_error; - sigemptyset(&sigact.sa_mask); - sigaction(SIGFPE, &sigact, NULL); - sigaction(SIGILL, &sigact, NULL); - sigaction(SIGSEGV, &sigact, NULL); - sigaction(SIGBUS, &sigact, NULL); - sigaction(SIGABRT, &sigact, NULL); -} - -/* ------------------------------------------------------------- */ -#ifdef __i386__ - -/* fix for glibc 2.1 */ -#ifndef REG_EIP -#define REG_EIP EIP -#define REG_EBP EBP -#endif - -/* return the PC at frame level 'level'. Return negative if not found */ -static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level) -{ - addr_t fp; - int i; - - if (level == 0) { -#if defined(__APPLE__) - *paddr = uc->uc_mcontext->__ss.__eip; -#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) - *paddr = uc->uc_mcontext.mc_eip; -#elif defined(__dietlibc__) - *paddr = uc->uc_mcontext.eip; -#elif defined(__NetBSD__) - *paddr = uc->uc_mcontext.__gregs[_REG_EIP]; -#else - *paddr = uc->uc_mcontext.gregs[REG_EIP]; -#endif - return 0; - } else { -#if defined(__APPLE__) - fp = uc->uc_mcontext->__ss.__ebp; -#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) - fp = uc->uc_mcontext.mc_ebp; -#elif defined(__dietlibc__) - fp = uc->uc_mcontext.ebp; -#elif defined(__NetBSD__) - fp = uc->uc_mcontext.__gregs[_REG_EBP]; -#else - fp = uc->uc_mcontext.gregs[REG_EBP]; -#endif - for(i=1;i= 0xc0000000) - return -1; - fp = ((addr_t *)fp)[0]; - } - *paddr = ((addr_t *)fp)[1]; - return 0; - } -} - -/* ------------------------------------------------------------- */ -#elif defined(__x86_64__) - -/* return the PC at frame level 'level'. Return negative if not found */ -static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level) -{ - addr_t fp; - int i; - - if (level == 0) { - /* XXX: only support linux */ -#if defined(__APPLE__) - *paddr = uc->uc_mcontext->__ss.__rip; -#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) - *paddr = uc->uc_mcontext.mc_rip; -#elif defined(__NetBSD__) - *paddr = uc->uc_mcontext.__gregs[_REG_RIP]; -#else - *paddr = uc->uc_mcontext.gregs[REG_RIP]; -#endif - return 0; - } else { -#if defined(__APPLE__) - fp = uc->uc_mcontext->__ss.__rbp; -#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__) - fp = uc->uc_mcontext.mc_rbp; -#elif defined(__NetBSD__) - fp = uc->uc_mcontext.__gregs[_REG_RBP]; -#else - fp = uc->uc_mcontext.gregs[REG_RBP]; -#endif - for(i=1;iuc_mcontext.arm_pc; -#else - return -1; -#endif - return 0; - } else { -#if defined(__linux__) - fp = uc->uc_mcontext.arm_fp; - sp = uc->uc_mcontext.arm_sp; - if (sp < 0x1000) - sp = 0x1000; -#else - return -1; -#endif - /* XXX: specific to tinycc stack frames */ - if (fp < sp + 12 || fp & 3) - return -1; - for(i = 1; i < level; i++) { - sp = ((addr_t *)fp)[-2]; - if (sp < fp || sp - fp > 16 || sp & 3) - return -1; - fp = ((addr_t *)fp)[-3]; - if (fp <= sp || fp - sp < 12 || fp & 3) - return -1; - } - /* XXX: check address validity with program info */ - *paddr = ((addr_t *)fp)[-1]; - return 0; - } -} - -/* ------------------------------------------------------------- */ -#elif defined(__aarch64__) - -static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level) -{ - if (level < 0) - return -1; - else if (level == 0) { - *paddr = uc->uc_mcontext.pc; - return 0; - } - else { - addr_t *fp = (addr_t *)uc->uc_mcontext.regs[29]; - int i; - for (i = 1; i < level; i++) - fp = (addr_t *)fp[0]; - *paddr = fp[1]; - return 0; - } -} - -/* ------------------------------------------------------------- */ -#else - -#warning add arch specific rt_get_caller_pc() -static int rt_get_caller_pc(addr_t *paddr, ucontext_t *uc, int level) -{ - return -1; -} - -#endif /* !__i386__ */ - -/* ------------------------------------------------------------- */ -#else /* WIN32 */ - -static long __stdcall cpu_exception_handler(EXCEPTION_POINTERS *ex_info) -{ - EXCEPTION_RECORD *er = ex_info->ExceptionRecord; - CONTEXT *uc = ex_info->ContextRecord; - switch (er->ExceptionCode) { - case EXCEPTION_ACCESS_VIOLATION: - if (rt_bound_error_msg && *rt_bound_error_msg) - rt_error(uc, *rt_bound_error_msg); - else - rt_error(uc, "access violation"); - break; - case EXCEPTION_STACK_OVERFLOW: - rt_error(uc, "stack overflow"); - break; - case EXCEPTION_INT_DIVIDE_BY_ZERO: - rt_error(uc, "division by zero"); - break; - default: - rt_error(uc, "exception caught"); - break; - } - return EXCEPTION_EXECUTE_HANDLER; -} - -/* Generate a stack backtrace when a CPU exception occurs. */ -static void set_exception_handler(void) -{ - SetUnhandledExceptionFilter(cpu_exception_handler); -} - -#ifdef _WIN64 -static void win64_add_function_table(TCCState *s1) -{ - RtlAddFunctionTable( - (RUNTIME_FUNCTION*)s1->uw_pdata->sh_addr, - s1->uw_pdata->data_offset / sizeof (RUNTIME_FUNCTION), - text_section->sh_addr - ); -} -#endif - -/* return the PC at frame level 'level'. Return non zero if not found */ -static int rt_get_caller_pc(addr_t *paddr, CONTEXT *uc, int level) -{ - addr_t fp, pc; - int i; -#ifdef _WIN64 - pc = uc->Rip; - fp = uc->Rbp; -#else - pc = uc->Eip; - fp = uc->Ebp; -#endif - if (level > 0) { - for(i = 1; i < level; i++) { - /* XXX: check address validity with program info */ - if (fp <= 0x1000 || fp >= 0xc0000000) - return -1; - fp = ((addr_t*)fp)[0]; - } - pc = ((addr_t*)fp)[1]; - } - *paddr = pc; - return 0; -} - -#endif /* _WIN32 */ -#endif /* CONFIG_TCC_BACKTRACE */ -/* ------------------------------------------------------------- */ -#ifdef CONFIG_TCC_STATIC - -/* dummy function for profiling */ -ST_FUNC void *dlopen(const char *filename, int flag) -{ - return NULL; -} - -ST_FUNC void dlclose(void *p) -{ -} - -ST_FUNC const char *dlerror(void) -{ - return "error"; -} - -typedef struct TCCSyms { - char *str; - void *ptr; -} TCCSyms; - - -/* add the symbol you want here if no dynamic linking is done */ -static TCCSyms tcc_syms[] = { -#if !defined(CONFIG_TCCBOOT) -#define TCCSYM(a) { #a, &a, }, - TCCSYM(printf) - TCCSYM(fprintf) - TCCSYM(fopen) - TCCSYM(fclose) -#undef TCCSYM -#endif - { NULL, NULL }, -}; - -ST_FUNC void *resolve_sym(TCCState *s1, const char *symbol) -{ - TCCSyms *p; - p = tcc_syms; - while (p->str != NULL) { - if (!strcmp(p->str, symbol)) - return p->ptr; - p++; - } - return NULL; -} - -#elif !defined(_WIN32) - -ST_FUNC void *resolve_sym(TCCState *s1, const char *sym) -{ - return dlsym(RTLD_DEFAULT, sym); -} - -#endif /* CONFIG_TCC_STATIC */ -#endif /* TCC_IS_NATIVE */ -/* ------------------------------------------------------------- */ diff --git a/src/tcctok.h b/src/tcctok.h deleted file mode 100644 index 5972fd6..0000000 --- a/src/tcctok.h +++ /dev/null @@ -1,335 +0,0 @@ -/* keywords */ - DEF(TOK_INT, "int") - DEF(TOK_VOID, "void") - DEF(TOK_CHAR, "char") - DEF(TOK_IF, "if") - DEF(TOK_ELSE, "else") - DEF(TOK_WHILE, "while") - DEF(TOK_BREAK, "break") - DEF(TOK_RETURN, "return") - DEF(TOK_FOR, "for") - DEF(TOK_EXTERN, "extern") - DEF(TOK_STATIC, "static") - DEF(TOK_UNSIGNED, "unsigned") - DEF(TOK_GOTO, "goto") - DEF(TOK_DO, "do") - DEF(TOK_CONTINUE, "continue") - DEF(TOK_SWITCH, "switch") - DEF(TOK_CASE, "case") - - DEF(TOK_CONST1, "const") - DEF(TOK_CONST2, "__const") /* gcc keyword */ - DEF(TOK_CONST3, "__const__") /* gcc keyword */ - DEF(TOK_VOLATILE1, "volatile") - DEF(TOK_VOLATILE2, "__volatile") /* gcc keyword */ - DEF(TOK_VOLATILE3, "__volatile__") /* gcc keyword */ - DEF(TOK_LONG, "long") - DEF(TOK_REGISTER, "register") - DEF(TOK_SIGNED1, "signed") - DEF(TOK_SIGNED2, "__signed") /* gcc keyword */ - DEF(TOK_SIGNED3, "__signed__") /* gcc keyword */ - DEF(TOK_AUTO, "auto") - DEF(TOK_INLINE1, "inline") - DEF(TOK_INLINE2, "__inline") /* gcc keyword */ - DEF(TOK_INLINE3, "__inline__") /* gcc keyword */ - DEF(TOK_RESTRICT1, "restrict") - DEF(TOK_RESTRICT2, "__restrict") - DEF(TOK_RESTRICT3, "__restrict__") - DEF(TOK_EXTENSION, "__extension__") /* gcc keyword */ - - DEF(TOK_FLOAT, "float") - DEF(TOK_DOUBLE, "double") - DEF(TOK_BOOL, "_Bool") - DEF(TOK_SHORT, "short") - DEF(TOK_STRUCT, "struct") - DEF(TOK_UNION, "union") - DEF(TOK_TYPEDEF, "typedef") - DEF(TOK_DEFAULT, "default") - DEF(TOK_ENUM, "enum") - DEF(TOK_SIZEOF, "sizeof") - DEF(TOK_ATTRIBUTE1, "__attribute") - DEF(TOK_ATTRIBUTE2, "__attribute__") - DEF(TOK_ALIGNOF1, "__alignof") - DEF(TOK_ALIGNOF2, "__alignof__") - DEF(TOK_TYPEOF1, "typeof") - DEF(TOK_TYPEOF2, "__typeof") - DEF(TOK_TYPEOF3, "__typeof__") - DEF(TOK_LABEL, "__label__") - DEF(TOK_ASM1, "asm") - DEF(TOK_ASM2, "__asm") - DEF(TOK_ASM3, "__asm__") - -#ifdef TCC_TARGET_ARM64 - DEF(TOK_UINT128, "__uint128_t") -#endif - -/*********************************************************************/ -/* the following are not keywords. They are included to ease parsing */ -/* preprocessor only */ - DEF(TOK_DEFINE, "define") - DEF(TOK_INCLUDE, "include") - DEF(TOK_INCLUDE_NEXT, "include_next") - DEF(TOK_IFDEF, "ifdef") - DEF(TOK_IFNDEF, "ifndef") - DEF(TOK_ELIF, "elif") - DEF(TOK_ENDIF, "endif") - DEF(TOK_DEFINED, "defined") - DEF(TOK_UNDEF, "undef") - DEF(TOK_ERROR, "error") - DEF(TOK_WARNING, "warning") - DEF(TOK_LINE, "line") - DEF(TOK_PRAGMA, "pragma") - DEF(TOK___LINE__, "__LINE__") - DEF(TOK___FILE__, "__FILE__") - DEF(TOK___DATE__, "__DATE__") - DEF(TOK___TIME__, "__TIME__") - DEF(TOK___FUNCTION__, "__FUNCTION__") - DEF(TOK___VA_ARGS__, "__VA_ARGS__") - -/* special identifiers */ - DEF(TOK___FUNC__, "__func__") - -/* special floating point values */ - DEF(TOK___NAN__, "__nan__") - DEF(TOK___SNAN__, "__snan__") - DEF(TOK___INF__, "__inf__") - -/* attribute identifiers */ -/* XXX: handle all tokens generically since speed is not critical */ - DEF(TOK_SECTION1, "section") - DEF(TOK_SECTION2, "__section__") - DEF(TOK_ALIGNED1, "aligned") - DEF(TOK_ALIGNED2, "__aligned__") - DEF(TOK_PACKED1, "packed") - DEF(TOK_PACKED2, "__packed__") - DEF(TOK_WEAK1, "weak") - DEF(TOK_WEAK2, "__weak__") - DEF(TOK_ALIAS1, "alias") - DEF(TOK_ALIAS2, "__alias__") - DEF(TOK_UNUSED1, "unused") - DEF(TOK_UNUSED2, "__unused__") - DEF(TOK_CDECL1, "cdecl") - DEF(TOK_CDECL2, "__cdecl") - DEF(TOK_CDECL3, "__cdecl__") - DEF(TOK_STDCALL1, "stdcall") - DEF(TOK_STDCALL2, "__stdcall") - DEF(TOK_STDCALL3, "__stdcall__") - DEF(TOK_FASTCALL1, "fastcall") - DEF(TOK_FASTCALL2, "__fastcall") - DEF(TOK_FASTCALL3, "__fastcall__") - DEF(TOK_MODE, "__mode__") - DEF(TOK_MODE_DI, "__DI__") - DEF(TOK_MODE_HI, "__HI__") - DEF(TOK_MODE_SI, "__SI__") - DEF(TOK_DLLEXPORT, "dllexport") - DEF(TOK_DLLIMPORT, "dllimport") - DEF(TOK_NORETURN1, "noreturn") - DEF(TOK_NORETURN2, "__noreturn__") - DEF(TOK_VISIBILITY1, "visibility") - DEF(TOK_VISIBILITY2, "__visibility__") - DEF(TOK_builtin_types_compatible_p, "__builtin_types_compatible_p") - DEF(TOK_builtin_constant_p, "__builtin_constant_p") - DEF(TOK_builtin_frame_address, "__builtin_frame_address") - DEF(TOK_builtin_return_address, "__builtin_return_address") -#ifdef TCC_TARGET_X86_64 -#ifdef TCC_TARGET_PE - DEF(TOK_builtin_va_start, "__builtin_va_start") -#else - DEF(TOK_builtin_va_arg_types, "__builtin_va_arg_types") -#endif -#endif - DEF(TOK_REGPARM1, "regparm") - DEF(TOK_REGPARM2, "__regparm__") - -#ifdef TCC_TARGET_ARM64 - DEF(TOK___va_start, "__va_start") - DEF(TOK___va_arg, "__va_arg") -#endif - -/* pragma */ - DEF(TOK_pack, "pack") -#if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_X86_64) - /* already defined for assembler */ - DEF(TOK_ASM_push, "push") - DEF(TOK_ASM_pop, "pop") -#endif - DEF(TOK_comment, "comment") - DEF(TOK_lib, "lib") - DEF(TOK_push_macro, "push_macro") - DEF(TOK_pop_macro, "pop_macro") - DEF(TOK_once, "once") - -/* builtin functions or variables */ -#ifndef TCC_ARM_EABI - DEF(TOK_memcpy, "memcpy") - DEF(TOK_memset, "memset") - DEF(TOK___divdi3, "__divdi3") - DEF(TOK___moddi3, "__moddi3") - DEF(TOK___udivdi3, "__udivdi3") - DEF(TOK___umoddi3, "__umoddi3") - DEF(TOK___ashrdi3, "__ashrdi3") - DEF(TOK___lshrdi3, "__lshrdi3") - DEF(TOK___ashldi3, "__ashldi3") - DEF(TOK___floatundisf, "__floatundisf") - DEF(TOK___floatundidf, "__floatundidf") -# ifndef TCC_ARM_VFP - DEF(TOK___floatundixf, "__floatundixf") - DEF(TOK___fixunsxfdi, "__fixunsxfdi") -# endif - DEF(TOK___fixunssfdi, "__fixunssfdi") - DEF(TOK___fixunsdfdi, "__fixunsdfdi") -#endif - -#if defined TCC_TARGET_ARM -# ifdef TCC_ARM_EABI - DEF(TOK_memcpy, "__aeabi_memcpy") - DEF(TOK_memcpy4, "__aeabi_memcpy4") - DEF(TOK_memcpy8, "__aeabi_memcpy8") - DEF(TOK_memset, "__aeabi_memset") - DEF(TOK___aeabi_ldivmod, "__aeabi_ldivmod") - DEF(TOK___aeabi_uldivmod, "__aeabi_uldivmod") - DEF(TOK___aeabi_idivmod, "__aeabi_idivmod") - DEF(TOK___aeabi_uidivmod, "__aeabi_uidivmod") - DEF(TOK___divsi3, "__aeabi_idiv") - DEF(TOK___udivsi3, "__aeabi_uidiv") - DEF(TOK___floatdisf, "__aeabi_l2f") - DEF(TOK___floatdidf, "__aeabi_l2d") - DEF(TOK___fixsfdi, "__aeabi_f2lz") - DEF(TOK___fixdfdi, "__aeabi_d2lz") - DEF(TOK___ashrdi3, "__aeabi_lasr") - DEF(TOK___lshrdi3, "__aeabi_llsr") - DEF(TOK___ashldi3, "__aeabi_llsl") - DEF(TOK___floatundisf, "__aeabi_ul2f") - DEF(TOK___floatundidf, "__aeabi_ul2d") - DEF(TOK___fixunssfdi, "__aeabi_f2ulz") - DEF(TOK___fixunsdfdi, "__aeabi_d2ulz") -# else - DEF(TOK___modsi3, "__modsi3") - DEF(TOK___umodsi3, "__umodsi3") - DEF(TOK___divsi3, "__divsi3") - DEF(TOK___udivsi3, "__udivsi3") - DEF(TOK___floatdisf, "__floatdisf") - DEF(TOK___floatdidf, "__floatdidf") -# ifndef TCC_ARM_VFP - DEF(TOK___floatdixf, "__floatdixf") - DEF(TOK___fixunssfsi, "__fixunssfsi") - DEF(TOK___fixunsdfsi, "__fixunsdfsi") - DEF(TOK___fixunsxfsi, "__fixunsxfsi") - DEF(TOK___fixxfdi, "__fixxfdi") -# endif - DEF(TOK___fixsfdi, "__fixsfdi") - DEF(TOK___fixdfdi, "__fixdfdi") -# endif -#endif - -#if defined TCC_TARGET_C67 - DEF(TOK__divi, "_divi") - DEF(TOK__divu, "_divu") - DEF(TOK__divf, "_divf") - DEF(TOK__divd, "_divd") - DEF(TOK__remi, "_remi") - DEF(TOK__remu, "_remu") -#endif - -#if defined TCC_TARGET_I386 - DEF(TOK___fixsfdi, "__fixsfdi") - DEF(TOK___fixdfdi, "__fixdfdi") - DEF(TOK___fixxfdi, "__fixxfdi") - - #ifndef COMMIT_4ad186c5ef61_IS_FIXED - DEF(TOK___tcc_cvt_ftol, "__tcc_cvt_ftol") - #endif -#endif - -#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 - DEF(TOK_alloca, "alloca") -#endif - -#if defined TCC_TARGET_PE - DEF(TOK___chkstk, "__chkstk") -#endif -#ifdef TCC_TARGET_ARM64 - DEF(TOK___arm64_clear_cache, "__arm64_clear_cache") - DEF(TOK___addtf3, "__addtf3") - DEF(TOK___subtf3, "__subtf3") - DEF(TOK___multf3, "__multf3") - DEF(TOK___divtf3, "__divtf3") - DEF(TOK___extendsftf2, "__extendsftf2") - DEF(TOK___extenddftf2, "__extenddftf2") - DEF(TOK___trunctfsf2, "__trunctfsf2") - DEF(TOK___trunctfdf2, "__trunctfdf2") - DEF(TOK___fixtfsi, "__fixtfsi") - DEF(TOK___fixtfdi, "__fixtfdi") - DEF(TOK___fixunstfsi, "__fixunstfsi") - DEF(TOK___fixunstfdi, "__fixunstfdi") - DEF(TOK___floatsitf, "__floatsitf") - DEF(TOK___floatditf, "__floatditf") - DEF(TOK___floatunsitf, "__floatunsitf") - DEF(TOK___floatunditf, "__floatunditf") - DEF(TOK___eqtf2, "__eqtf2") - DEF(TOK___netf2, "__netf2") - DEF(TOK___lttf2, "__lttf2") - DEF(TOK___letf2, "__letf2") - DEF(TOK___gttf2, "__gttf2") - DEF(TOK___getf2, "__getf2") -#endif - -/* bound checking symbols */ -#ifdef CONFIG_TCC_BCHECK - DEF(TOK___bound_ptr_add, "__bound_ptr_add") - DEF(TOK___bound_ptr_indir1, "__bound_ptr_indir1") - DEF(TOK___bound_ptr_indir2, "__bound_ptr_indir2") - DEF(TOK___bound_ptr_indir4, "__bound_ptr_indir4") - DEF(TOK___bound_ptr_indir8, "__bound_ptr_indir8") - DEF(TOK___bound_ptr_indir12, "__bound_ptr_indir12") - DEF(TOK___bound_ptr_indir16, "__bound_ptr_indir16") - DEF(TOK___bound_main_arg, "__bound_main_arg") - DEF(TOK___bound_local_new, "__bound_local_new") - DEF(TOK___bound_local_delete, "__bound_local_delete") - DEF(TOK___bound_init, "__bound_init") -# ifdef TCC_TARGET_PE - DEF(TOK_malloc, "malloc") - DEF(TOK_free, "free") - DEF(TOK_realloc, "realloc") - DEF(TOK_memalign, "memalign") - DEF(TOK_calloc, "calloc") -# endif - DEF(TOK_memmove, "memmove") - DEF(TOK_strlen, "strlen") - DEF(TOK_strcpy, "strcpy") -#endif - -/* Tiny Assembler */ - DEF_ASM(byte) - DEF_ASM(word) - DEF_ASM(align) - DEF_ASM(p2align) - DEF_ASM(skip) - DEF_ASM(space) - DEF_ASM(string) - DEF_ASM(asciz) - DEF_ASM(ascii) - DEF_ASM(file) - DEF_ASM(globl) - DEF_ASM(global) - DEF_ASM(hidden) - DEF_ASM(ident) - DEF_ASM(size) - DEF_ASM(type) - DEF_ASM(text) - DEF_ASM(data) - DEF_ASM(bss) - DEF_ASM(previous) - DEF_ASM(fill) - DEF_ASM(org) - DEF_ASM(quad) -#if defined(TCC_TARGET_I386) - DEF_ASM(code16) - DEF_ASM(code32) -#elif defined(TCC_TARGET_X86_64) - DEF_ASM(code64) -#endif - -#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64 -#include "x86/i386-tok.h" -#endif diff --git a/src/tms320c67/c67-gen.c b/src/tms320c67/c67-gen.c deleted file mode 100644 index 9548dca..0000000 --- a/src/tms320c67/c67-gen.c +++ /dev/null @@ -1,2559 +0,0 @@ -/* - * TMS320C67xx code generator for TCC - * - * Copyright (c) 2001, 2002 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifdef TARGET_DEFS_ONLY - -/* #define ASSEMBLY_LISTING_C67 */ - -/* number of available registers */ -#define NB_REGS 24 - -typedef int RegArgs; - -/* a register can belong to several classes. The classes must be - sorted from more general to more precise (see gv2() code which does - assumptions on it). */ -#define RC_INT 0x0001 /* generic integer register */ -#define RC_FLOAT 0x0002 /* generic float register */ -#define RC_EAX 0x0004 -#define RC_ST0 0x0008 -#define RC_ECX 0x0010 -#define RC_EDX 0x0020 -#define RC_INT_BSIDE 0x00000040 /* generic integer register on b side */ -#define RC_C67_A4 0x00000100 -#define RC_C67_A5 0x00000200 -#define RC_C67_B4 0x00000400 -#define RC_C67_B5 0x00000800 -#define RC_C67_A6 0x00001000 -#define RC_C67_A7 0x00002000 -#define RC_C67_B6 0x00004000 -#define RC_C67_B7 0x00008000 -#define RC_C67_A8 0x00010000 -#define RC_C67_A9 0x00020000 -#define RC_C67_B8 0x00040000 -#define RC_C67_B9 0x00080000 -#define RC_C67_A10 0x00100000 -#define RC_C67_A11 0x00200000 -#define RC_C67_B10 0x00400000 -#define RC_C67_B11 0x00800000 -#define RC_C67_A12 0x01000000 -#define RC_C67_A13 0x02000000 -#define RC_C67_B12 0x04000000 -#define RC_C67_B13 0x08000000 -#define RC_IRET RC_C67_A4 /* function return: integer register */ -#define RC_LRET RC_C67_A5 /* function return: second integer register */ -#define RC_FRET RC_C67_A4 /* function return: float register */ - -/* pretty names for the registers */ -enum { - TREG_EAX = 0, // really A2 - TREG_ECX, // really A3 - TREG_EDX, // really B0 - TREG_ST0, // really B1 - TREG_C67_A4, - TREG_C67_A5, - TREG_C67_B4, - TREG_C67_B5, - TREG_C67_A6, - TREG_C67_A7, - TREG_C67_B6, - TREG_C67_B7, - TREG_C67_A8, - TREG_C67_A9, - TREG_C67_B8, - TREG_C67_B9, - TREG_C67_A10, - TREG_C67_A11, - TREG_C67_B10, - TREG_C67_B11, - TREG_C67_A12, - TREG_C67_A13, - TREG_C67_B12, - TREG_C67_B13, -}; - -/* return registers for function */ -#define REG_IRET TREG_C67_A4 /* single word int return register */ -#define REG_LRET TREG_C67_A5 /* second word return register (for long long) */ -#define REG_FRET TREG_C67_A4 /* float return register */ - -/* defined if function parameters must be evaluated in reverse order */ -/* #define INVERT_FUNC_PARAMS */ - -/* defined if structures are passed as pointers. Otherwise structures - are directly pushed on stack. */ -/* #define FUNC_STRUCT_PARAM_AS_PTR */ - -/* pointer size, in bytes */ -#define PTR_SIZE 4 - -/* long double size and alignment, in bytes */ -#define LDOUBLE_SIZE 12 -#define LDOUBLE_ALIGN 4 -/* maximum alignment (for aligned attribute support) */ -#define MAX_ALIGN 8 - -/******************************************************/ -/* ELF defines */ - -#define EM_TCC_TARGET EM_C60 - -/* relocation type for 32 bit data relocation */ -#define R_DATA_32 R_C60_32 -#define R_DATA_PTR R_C60_32 -#define R_JMP_SLOT R_C60_JMP_SLOT -#define R_COPY R_C60_COPY - -#define ELF_START_ADDR 0x00000400 -#define ELF_PAGE_SIZE 0x1000 - -/******************************************************/ -#else /* ! TARGET_DEFS_ONLY */ -/******************************************************/ -#include "../tcc.h" - -ST_DATA const int reg_classes[NB_REGS] = { - /* eax */ RC_INT | RC_FLOAT | RC_EAX, - // only allow even regs for floats (allow for doubles) - /* ecx */ RC_INT | RC_ECX, - /* edx */ RC_INT | RC_INT_BSIDE | RC_FLOAT | RC_EDX, - // only allow even regs for floats (allow for doubles) - /* st0 */ RC_INT | RC_INT_BSIDE | RC_ST0, - /* A4 */ RC_C67_A4, - /* A5 */ RC_C67_A5, - /* B4 */ RC_C67_B4, - /* B5 */ RC_C67_B5, - /* A6 */ RC_C67_A6, - /* A7 */ RC_C67_A7, - /* B6 */ RC_C67_B6, - /* B7 */ RC_C67_B7, - /* A8 */ RC_C67_A8, - /* A9 */ RC_C67_A9, - /* B8 */ RC_C67_B8, - /* B9 */ RC_C67_B9, - /* A10 */ RC_C67_A10, - /* A11 */ RC_C67_A11, - /* B10 */ RC_C67_B10, - /* B11 */ RC_C67_B11, - /* A12 */ RC_C67_A10, - /* A13 */ RC_C67_A11, - /* B12 */ RC_C67_B10, - /* B13 */ RC_C67_B11 -}; - -// although tcc thinks it is passing parameters on the stack, -// the C67 really passes up to the first 10 params in special -// regs or regs pairs (for 64 bit params). So keep track of -// the stack offsets so we can translate to the appropriate -// reg (pair) - -#define NoCallArgsPassedOnStack 10 -int NoOfCurFuncArgs; -int TranslateStackToReg[NoCallArgsPassedOnStack]; -int ParamLocOnStack[NoCallArgsPassedOnStack]; -int TotalBytesPushedOnStack; - -#ifndef FALSE -# define FALSE 0 -# define TRUE 1 -#endif - -#undef BOOL -#define BOOL int - -#define ALWAYS_ASSERT(x) \ -do {\ - if (!(x))\ - tcc_error("internal compiler error file at %s:%d", __FILE__, __LINE__);\ -} while (0) - -/******************************************************/ -static unsigned long func_sub_sp_offset; -static int func_ret_sub; - -static BOOL C67_invert_test; -static int C67_compare_reg; - -#ifdef ASSEMBLY_LISTING_C67 -FILE *f = NULL; -#endif - -void C67_g(int c) -{ - int ind1; - -#ifdef ASSEMBLY_LISTING_C67 - fprintf(f, " %08X", c); -#endif - ind1 = ind + 4; - if (ind1 > (int) cur_text_section->data_allocated) - section_realloc(cur_text_section, ind1); - cur_text_section->data[ind] = c & 0xff; - cur_text_section->data[ind + 1] = (c >> 8) & 0xff; - cur_text_section->data[ind + 2] = (c >> 16) & 0xff; - cur_text_section->data[ind + 3] = (c >> 24) & 0xff; - ind = ind1; -} - - -/* output a symbol and patch all calls to it */ -void gsym_addr(int t, int a) -{ - int n, *ptr; - while (t) { - ptr = (int *) (cur_text_section->data + t); - { - Sym *sym; - - // extract 32 bit address from MVKH/MVKL - n = ((*ptr >> 7) & 0xffff); - n |= ((*(ptr + 1) >> 7) & 0xffff) << 16; - - // define a label that will be relocated - - sym = get_sym_ref(&char_pointer_type, cur_text_section, a, 0); - greloc(cur_text_section, sym, t, R_C60LO16); - greloc(cur_text_section, sym, t + 4, R_C60HI16); - - // clear out where the pointer was - - *ptr &= ~(0xffff << 7); - *(ptr + 1) &= ~(0xffff << 7); - } - t = n; - } -} - -void gsym(int t) -{ - gsym_addr(t, ind); -} - -// these are regs that tcc doesn't really know about, -// but assign them unique values so the mapping routines -// can distinguish them - -#define C67_A0 105 -#define C67_SP 106 -#define C67_B3 107 -#define C67_FP 108 -#define C67_B2 109 -#define C67_CREG_ZERO -1 /* Special code for no condition reg test */ - - -int ConvertRegToRegClass(int r) -{ - // only works for A4-B13 - - return RC_C67_A4 << (r - TREG_C67_A4); -} - - -// map TCC reg to C67 reg number - -int C67_map_regn(int r) -{ - if (r == 0) // normal tcc regs - return 0x2; // A2 - else if (r == 1) // normal tcc regs - return 3; // A3 - else if (r == 2) // normal tcc regs - return 0; // B0 - else if (r == 3) // normal tcc regs - return 1; // B1 - else if (r >= TREG_C67_A4 && r <= TREG_C67_B13) // these form a pattern of alt pairs - return (((r & 0xfffffffc) >> 1) | (r & 1)) + 2; - else if (r == C67_A0) - return 0; // set to A0 (offset reg) - else if (r == C67_B2) - return 2; // set to B2 (offset reg) - else if (r == C67_B3) - return 3; // set to B3 (return address reg) - else if (r == C67_SP) - return 15; // set to SP (B15) (offset reg) - else if (r == C67_FP) - return 15; // set to FP (A15) (offset reg) - else if (r == C67_CREG_ZERO) - return 0; // Special code for no condition reg test - else - ALWAYS_ASSERT(FALSE); - - return 0; -} - -// mapping from tcc reg number to -// C67 register to condition code field -// -// valid condition code regs are: -// -// tcc reg 2 ->B0 -> 1 -// tcc reg 3 ->B1 -> 2 -// tcc reg 0 -> A2 -> 5 -// tcc reg 1 -> A3 -> X -// tcc reg B2 -> 3 - -int C67_map_regc(int r) -{ - if (r == 0) // normal tcc regs - return 0x5; - else if (r == 2) // normal tcc regs - return 0x1; - else if (r == 3) // normal tcc regs - return 0x2; - else if (r == C67_B2) // normal tcc regs - return 0x3; - else if (r == C67_CREG_ZERO) - return 0; // Special code for no condition reg test - else - ALWAYS_ASSERT(FALSE); - - return 0; -} - - -// map TCC reg to C67 reg side A or B - -int C67_map_regs(int r) -{ - if (r == 0) // normal tcc regs - return 0x0; - else if (r == 1) // normal tcc regs - return 0x0; - else if (r == 2) // normal tcc regs - return 0x1; - else if (r == 3) // normal tcc regs - return 0x1; - else if (r >= TREG_C67_A4 && r <= TREG_C67_B13) // these form a pattern of alt pairs - return (r & 2) >> 1; - else if (r == C67_A0) - return 0; // set to A side - else if (r == C67_B2) - return 1; // set to B side - else if (r == C67_B3) - return 1; // set to B side - else if (r == C67_SP) - return 0x1; // set to SP (B15) B side - else if (r == C67_FP) - return 0x0; // set to FP (A15) A side - else - ALWAYS_ASSERT(FALSE); - - return 0; -} - -int C67_map_S12(char *s) -{ - if (strstr(s, ".S1") != NULL) - return 0; - else if (strcmp(s, ".S2")) - return 1; - else - ALWAYS_ASSERT(FALSE); - - return 0; -} - -int C67_map_D12(char *s) -{ - if (strstr(s, ".D1") != NULL) - return 0; - else if (strcmp(s, ".D2")) - return 1; - else - ALWAYS_ASSERT(FALSE); - - return 0; -} - - - -void C67_asm(char *s, int a, int b, int c) -{ - BOOL xpath; - -#ifdef ASSEMBLY_LISTING_C67 - if (!f) { - f = fopen("TCC67_out.txt", "wt"); - } - fprintf(f, "%04X ", ind); -#endif - - if (strstr(s, "MVKL") == s) { - C67_g((C67_map_regn(b) << 23) | - ((a & 0xffff) << 7) | (0x0a << 2) | (C67_map_regs(b) << 1)); - } else if (strstr(s, "MVKH") == s) { - C67_g((C67_map_regn(b) << 23) | - (((a >> 16) & 0xffff) << 7) | - (0x1a << 2) | (C67_map_regs(b) << 1)); - } else if (strstr(s, "STW.D SP POST DEC") == s) { - C67_g((C67_map_regn(a) << 23) | //src - (15 << 18) | //SP B15 - (2 << 13) | //ucst5 (must keep 8 byte boundary !!) - (0xa << 9) | //mode a = post dec ucst - (0 << 8) | //r (LDDW bit 0) - (1 << 7) | //y D1/D2 use B side - (7 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of src - (0 << 0)); //parallel - } else if (strstr(s, "STB.D *+SP[A0]") == s) { - C67_g((C67_map_regn(a) << 23) | //src - (15 << 18) | //base reg A15 - (0 << 13) | //offset reg A0 - (5 << 9) | //mode 5 = pos offset, base reg + off reg - (0 << 8) | //r (LDDW bit 0) - (0 << 7) | //y D1/D2 A side - (3 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of src - (0 << 0)); //parallel - } else if (strstr(s, "STH.D *+SP[A0]") == s) { - C67_g((C67_map_regn(a) << 23) | //src - (15 << 18) | //base reg A15 - (0 << 13) | //offset reg A0 - (5 << 9) | //mode 5 = pos offset, base reg + off reg - (0 << 8) | //r (LDDW bit 0) - (0 << 7) | //y D1/D2 A side - (5 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of src - (0 << 0)); //parallel - } else if (strstr(s, "STB.D *+SP[A0]") == s) { - C67_g((C67_map_regn(a) << 23) | //src - (15 << 18) | //base reg A15 - (0 << 13) | //offset reg A0 - (5 << 9) | //mode 5 = pos offset, base reg + off reg - (0 << 8) | //r (LDDW bit 0) - (0 << 7) | //y D1/D2 A side - (3 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of src - (0 << 0)); //parallel - } else if (strstr(s, "STH.D *+SP[A0]") == s) { - C67_g((C67_map_regn(a) << 23) | //src - (15 << 18) | //base reg A15 - (0 << 13) | //offset reg A0 - (5 << 9) | //mode 5 = pos offset, base reg + off reg - (0 << 8) | //r (LDDW bit 0) - (0 << 7) | //y D1/D2 A side - (5 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of src - (0 << 0)); //parallel - } else if (strstr(s, "STW.D *+SP[A0]") == s) { - C67_g((C67_map_regn(a) << 23) | //src - (15 << 18) | //base reg A15 - (0 << 13) | //offset reg A0 - (5 << 9) | //mode 5 = pos offset, base reg + off reg - (0 << 8) | //r (LDDW bit 0) - (0 << 7) | //y D1/D2 A side - (7 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of src - (0 << 0)); //parallel - } else if (strstr(s, "STW.D *") == s) { - C67_g((C67_map_regn(a) << 23) | //src - (C67_map_regn(b) << 18) | //base reg A0 - (0 << 13) | //cst5 - (1 << 9) | //mode 1 = pos cst offset - (0 << 8) | //r (LDDW bit 0) - (C67_map_regs(b) << 7) | //y D1/D2 base reg side - (7 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of src - (0 << 0)); //parallel - } else if (strstr(s, "STH.D *") == s) { - C67_g((C67_map_regn(a) << 23) | //src - (C67_map_regn(b) << 18) | //base reg A0 - (0 << 13) | //cst5 - (1 << 9) | //mode 1 = pos cst offset - (0 << 8) | //r (LDDW bit 0) - (C67_map_regs(b) << 7) | //y D1/D2 base reg side - (5 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of src - (0 << 0)); //parallel - } else if (strstr(s, "STB.D *") == s) { - C67_g((C67_map_regn(a) << 23) | //src - (C67_map_regn(b) << 18) | //base reg A0 - (0 << 13) | //cst5 - (1 << 9) | //mode 1 = pos cst offset - (0 << 8) | //r (LDDW bit 0) - (C67_map_regs(b) << 7) | //y D1/D2 base reg side - (3 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of src - (0 << 0)); //parallel - } else if (strstr(s, "STW.D +*") == s) { - ALWAYS_ASSERT(c < 32); - C67_g((C67_map_regn(a) << 23) | //src - (C67_map_regn(b) << 18) | //base reg A0 - (c << 13) | //cst5 - (1 << 9) | //mode 1 = pos cst offset - (0 << 8) | //r (LDDW bit 0) - (C67_map_regs(b) << 7) | //y D1/D2 base reg side - (7 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of src - (0 << 0)); //parallel - } else if (strstr(s, "LDW.D SP PRE INC") == s) { - C67_g((C67_map_regn(a) << 23) | //dst - (15 << 18) | //base reg B15 - (2 << 13) | //ucst5 (must keep 8 byte boundary) - (9 << 9) | //mode 9 = pre inc ucst5 - (0 << 8) | //r (LDDW bit 0) - (1 << 7) | //y D1/D2 B side - (6 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of dst - (0 << 0)); //parallel - } else if (strstr(s, "LDDW.D SP PRE INC") == s) { - C67_g((C67_map_regn(a) << 23) | //dst - (15 << 18) | //base reg B15 - (1 << 13) | //ucst5 (must keep 8 byte boundary) - (9 << 9) | //mode 9 = pre inc ucst5 - (1 << 8) | //r (LDDW bit 1) - (1 << 7) | //y D1/D2 B side - (6 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of dst - (0 << 0)); //parallel - } else if (strstr(s, "LDW.D *+SP[A0]") == s) { - C67_g((C67_map_regn(a) << 23) | //dst - (15 << 18) | //base reg A15 - (0 << 13) | //offset reg A0 - (5 << 9) | //mode 5 = pos offset, base reg + off reg - (0 << 8) | //r (LDDW bit 0) - (0 << 7) | //y D1/D2 A side - (6 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of dst - (0 << 0)); //parallel - } else if (strstr(s, "LDDW.D *+SP[A0]") == s) { - C67_g((C67_map_regn(a) << 23) | //dst - (15 << 18) | //base reg A15 - (0 << 13) | //offset reg A0 - (5 << 9) | //mode 5 = pos offset, base reg + off reg - (1 << 8) | //r (LDDW bit 1) - (0 << 7) | //y D1/D2 A side - (6 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of dst - (0 << 0)); //parallel - } else if (strstr(s, "LDH.D *+SP[A0]") == s) { - C67_g((C67_map_regn(a) << 23) | //dst - (15 << 18) | //base reg A15 - (0 << 13) | //offset reg A0 - (5 << 9) | //mode 5 = pos offset, base reg + off reg - (0 << 8) | //r (LDDW bit 0) - (0 << 7) | //y D1/D2 A side - (4 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of dst - (0 << 0)); //parallel - } else if (strstr(s, "LDB.D *+SP[A0]") == s) { - C67_g((C67_map_regn(a) << 23) | //dst - (15 << 18) | //base reg A15 - (0 << 13) | //offset reg A0 - (5 << 9) | //mode 5 = pos offset, base reg + off reg - (0 << 8) | //r (LDDW bit 0) - (0 << 7) | //y D1/D2 A side - (2 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of dst - (0 << 0)); //parallel - } else if (strstr(s, "LDHU.D *+SP[A0]") == s) { - C67_g((C67_map_regn(a) << 23) | //dst - (15 << 18) | //base reg A15 - (0 << 13) | //offset reg A0 - (5 << 9) | //mode 5 = pos offset, base reg + off reg - (0 << 8) | //r (LDDW bit 0) - (0 << 7) | //y D1/D2 A side - (0 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of dst - (0 << 0)); //parallel - } else if (strstr(s, "LDBU.D *+SP[A0]") == s) { - C67_g((C67_map_regn(a) << 23) | //dst - (15 << 18) | //base reg A15 - (0 << 13) | //offset reg A0 - (5 << 9) | //mode 5 = pos offset, base reg + off reg - (0 << 8) | //r (LDDW bit 0) - (0 << 7) | //y D1/D2 A side - (1 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(a) << 1) | //side of dst - (0 << 0)); //parallel - } else if (strstr(s, "LDW.D *") == s) { - C67_g((C67_map_regn(b) << 23) | //dst - (C67_map_regn(a) << 18) | //base reg A15 - (0 << 13) | //cst5 - (1 << 9) | //mode 1 = pos cst offset - (0 << 8) | //r (LDDW bit 0) - (C67_map_regs(a) << 7) | //y D1/D2 src side - (6 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(b) << 1) | //side of dst - (0 << 0)); //parallel - } else if (strstr(s, "LDDW.D *") == s) { - C67_g((C67_map_regn(b) << 23) | //dst - (C67_map_regn(a) << 18) | //base reg A15 - (0 << 13) | //cst5 - (1 << 9) | //mode 1 = pos cst offset - (1 << 8) | //r (LDDW bit 1) - (C67_map_regs(a) << 7) | //y D1/D2 src side - (6 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(b) << 1) | //side of dst - (0 << 0)); //parallel - } else if (strstr(s, "LDH.D *") == s) { - C67_g((C67_map_regn(b) << 23) | //dst - (C67_map_regn(a) << 18) | //base reg A15 - (0 << 13) | //cst5 - (1 << 9) | //mode 1 = pos cst offset - (0 << 8) | //r (LDDW bit 0) - (C67_map_regs(a) << 7) | //y D1/D2 src side - (4 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(b) << 1) | //side of dst - (0 << 0)); //parallel - } else if (strstr(s, "LDB.D *") == s) { - C67_g((C67_map_regn(b) << 23) | //dst - (C67_map_regn(a) << 18) | //base reg A15 - (0 << 13) | //cst5 - (1 << 9) | //mode 1 = pos cst offset - (0 << 8) | //r (LDDW bit 0) - (C67_map_regs(a) << 7) | //y D1/D2 src side - (2 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(b) << 1) | //side of dst - (0 << 0)); //parallel - } else if (strstr(s, "LDHU.D *") == s) { - C67_g((C67_map_regn(b) << 23) | //dst - (C67_map_regn(a) << 18) | //base reg A15 - (0 << 13) | //cst5 - (1 << 9) | //mode 1 = pos cst offset - (0 << 8) | //r (LDDW bit 0) - (C67_map_regs(a) << 7) | //y D1/D2 src side - (0 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(b) << 1) | //side of dst - (0 << 0)); //parallel - } else if (strstr(s, "LDBU.D *") == s) { - C67_g((C67_map_regn(b) << 23) | //dst - (C67_map_regn(a) << 18) | //base reg A15 - (0 << 13) | //cst5 - (1 << 9) | //mode 1 = pos cst offset - (0 << 8) | //r (LDDW bit 0) - (C67_map_regs(a) << 7) | //y D1/D2 src side - (1 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(b) << 1) | //side of dst - (0 << 0)); //parallel - } else if (strstr(s, "LDW.D +*") == s) { - C67_g((C67_map_regn(b) << 23) | //dst - (C67_map_regn(a) << 18) | //base reg A15 - (1 << 13) | //cst5 - (1 << 9) | //mode 1 = pos cst offset - (0 << 8) | //r (LDDW bit 0) - (C67_map_regs(a) << 7) | //y D1/D2 src side - (6 << 4) | //ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU - (1 << 2) | //opcode - (C67_map_regs(b) << 1) | //side of dst - (0 << 0)); //parallel - } else if (strstr(s, "CMPLTSP") == s) { - xpath = C67_map_regs(a) ^ C67_map_regs(b); - ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a)); - - C67_g((C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x use cross path for src2 - (0x3a << 6) | //opcode - (0x8 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side for reg c - (0 << 0)); //parallel - } else if (strstr(s, "CMPGTSP") == s) { - xpath = C67_map_regs(a) ^ C67_map_regs(b); - ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a)); - - C67_g((C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x use cross path for src2 - (0x39 << 6) | //opcode - (0x8 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side for reg c - (0 << 0)); //parallel - } else if (strstr(s, "CMPEQSP") == s) { - xpath = C67_map_regs(a) ^ C67_map_regs(b); - ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a)); - - C67_g((C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x use cross path for src2 - (0x38 << 6) | //opcode - (0x8 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side for reg c - (0 << 0)); //parallel - } - - else if (strstr(s, "CMPLTDP") == s) { - xpath = C67_map_regs(a) ^ C67_map_regs(b); - ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a)); - - C67_g((C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x use cross path for src2 - (0x2a << 6) | //opcode - (0x8 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side for reg c - (0 << 0)); //parallel - } else if (strstr(s, "CMPGTDP") == s) { - xpath = C67_map_regs(a) ^ C67_map_regs(b); - ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a)); - - C67_g((C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x use cross path for src2 - (0x29 << 6) | //opcode - (0x8 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side for reg c - (0 << 0)); //parallel - } else if (strstr(s, "CMPEQDP") == s) { - xpath = C67_map_regs(a) ^ C67_map_regs(b); - ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a)); - - C67_g((C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x use cross path for src2 - (0x28 << 6) | //opcode - (0x8 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side for reg c - (0 << 0)); //parallel - } else if (strstr(s, "CMPLT") == s) { - xpath = C67_map_regs(a) ^ C67_map_regs(b); - ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a)); - - C67_g((C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x use cross path for src2 - (0x57 << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side for reg c - (0 << 0)); //parallel - } else if (strstr(s, "CMPGT") == s) { - xpath = C67_map_regs(a) ^ C67_map_regs(b); - ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a)); - - C67_g((C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x use cross path for src2 - (0x47 << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side for reg c - (0 << 0)); //parallel - } else if (strstr(s, "CMPEQ") == s) { - xpath = C67_map_regs(a) ^ C67_map_regs(b); - ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a)); - - C67_g((C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x use cross path for src2 - (0x53 << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side for reg c - (0 << 0)); //parallel - } else if (strstr(s, "CMPLTU") == s) { - xpath = C67_map_regs(a) ^ C67_map_regs(b); - ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a)); - - C67_g((C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x use cross path for src2 - (0x5f << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side for reg c - (0 << 0)); //parallel - } else if (strstr(s, "CMPGTU") == s) { - xpath = C67_map_regs(a) ^ C67_map_regs(b); - ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a)); - - C67_g((C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x use cross path for src2 - (0x4f << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side for reg c - (0 << 0)); //parallel - } else if (strstr(s, "B DISP") == s) { - C67_g((0 << 29) | //creg - (0 << 28) | //z - (a << 7) | //cnst - (0x4 << 2) | //opcode fixed - (0 << 1) | //S0/S1 - (0 << 0)); //parallel - } else if (strstr(s, "B.") == s) { - xpath = C67_map_regs(c) ^ 1; - - C67_g((C67_map_regc(b) << 29) | //creg - (a << 28) | //inv - (0 << 23) | //dst - (C67_map_regn(c) << 18) | //src2 - (0 << 13) | // - (xpath << 12) | //x cross path if !B side - (0xd << 6) | //opcode - (0x8 << 2) | //opcode fixed - (1 << 1) | //must be S2 - (0 << 0)); //parallel - } else if (strstr(s, "MV.L") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (0 << 13) | //src1 (cst5) - (xpath << 12) | //x cross path if opposite sides - (0x2 << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "SPTRUNC.L") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (0 << 13) | //src1 NA - (xpath << 12) | //x cross path if opposite sides - (0xb << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "DPTRUNC.L") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - ((C67_map_regn(b) + 1) << 18) | //src2 WEIRD CPU must specify odd reg for some reason - (0 << 13) | //src1 NA - (xpath << 12) | //x cross path if opposite sides - (0x1 << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "INTSP.L") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (0 << 13) | //src1 NA - (xpath << 12) | //x cross path if opposite sides - (0x4a << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "INTSPU.L") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (0 << 13) | //src1 NA - (xpath << 12) | //x cross path if opposite sides - (0x49 << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "INTDP.L") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (0 << 13) | //src1 NA - (xpath << 12) | //x cross path if opposite sides - (0x39 << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "INTDPU.L") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - ((C67_map_regn(b) + 1) << 18) | //src2 WEIRD CPU must specify odd reg for some reason - (0 << 13) | //src1 NA - (xpath << 12) | //x cross path if opposite sides - (0x3b << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "SPDP.L") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (0 << 13) | //src1 NA - (xpath << 12) | //x cross path if opposite sides - (0x2 << 6) | //opcode - (0x8 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "DPSP.L") == s) { - ALWAYS_ASSERT(C67_map_regs(b) == C67_map_regs(c)); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - ((C67_map_regn(b) + 1) << 18) | //src2 WEIRD CPU must specify odd reg for some reason - (0 << 13) | //src1 NA - (0 << 12) | //x cross path if opposite sides - (0x9 << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "ADD.L") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - ALWAYS_ASSERT(C67_map_regs(a) == C67_map_regs(c)); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 (possible x path) - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x cross path if opposite sides - (0x3 << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "SUB.L") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - ALWAYS_ASSERT(C67_map_regs(a) == C67_map_regs(c)); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 (possible x path) - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x cross path if opposite sides - (0x7 << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "OR.L") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - ALWAYS_ASSERT(C67_map_regs(a) == C67_map_regs(c)); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 (possible x path) - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x cross path if opposite sides - (0x7f << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "AND.L") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - ALWAYS_ASSERT(C67_map_regs(a) == C67_map_regs(c)); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 (possible x path) - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x cross path if opposite sides - (0x7b << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "XOR.L") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - ALWAYS_ASSERT(C67_map_regs(a) == C67_map_regs(c)); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 (possible x path) - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x cross path if opposite sides - (0x6f << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "ADDSP.L") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - ALWAYS_ASSERT(C67_map_regs(a) == C67_map_regs(c)); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 (possible x path) - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x cross path if opposite sides - (0x10 << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "ADDDP.L") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - ALWAYS_ASSERT(C67_map_regs(a) == C67_map_regs(c)); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 (possible x path) - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x cross path if opposite sides - (0x18 << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "SUBSP.L") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - ALWAYS_ASSERT(C67_map_regs(a) == C67_map_regs(c)); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 (possible x path) - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x cross path if opposite sides - (0x11 << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "SUBDP.L") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - ALWAYS_ASSERT(C67_map_regs(a) == C67_map_regs(c)); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 (possible x path) - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x cross path if opposite sides - (0x19 << 5) | //opcode - (0x6 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "MPYSP.M") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - ALWAYS_ASSERT(C67_map_regs(a) == C67_map_regs(c)); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 (possible x path) - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x cross path if opposite sides - (0x1c << 7) | //opcode - (0x0 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "MPYDP.M") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - ALWAYS_ASSERT(C67_map_regs(a) == C67_map_regs(c)); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 (possible x path) - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x cross path if opposite sides - (0x0e << 7) | //opcode - (0x0 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "MPYI.M") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - ALWAYS_ASSERT(C67_map_regs(a) == C67_map_regs(c)); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (C67_map_regn(a) << 13) | //src1 (cst5) - (xpath << 12) | //x cross path if opposite sides - (0x4 << 7) | //opcode - (0x0 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "SHR.S") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a)); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x cross path if opposite sides - (0x37 << 6) | //opcode - (0x8 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "SHRU.S") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a)); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x cross path if opposite sides - (0x27 << 6) | //opcode - (0x8 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "SHL.S") == s) { - xpath = C67_map_regs(b) ^ C67_map_regs(c); - - ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a)); - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(c) << 23) | //dst - (C67_map_regn(b) << 18) | //src2 - (C67_map_regn(a) << 13) | //src1 - (xpath << 12) | //x cross path if opposite sides - (0x33 << 6) | //opcode - (0x8 << 2) | //opcode fixed - (C67_map_regs(c) << 1) | //side of dest - (0 << 0)); //parallel - } else if (strstr(s, "||ADDK") == s) { - xpath = 0; // no xpath required just use the side of the src/dst - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(b) << 23) | //dst - (a << 07) | //scst16 - (0x14 << 2) | //opcode fixed - (C67_map_regs(b) << 1) | //side of dst - (1 << 0)); //parallel - } else if (strstr(s, "ADDK") == s) { - xpath = 0; // no xpath required just use the side of the src/dst - - C67_g((0 << 29) | //creg - (0 << 28) | //inv - (C67_map_regn(b) << 23) | //dst - (a << 07) | //scst16 - (0x14 << 2) | //opcode fixed - (C67_map_regs(b) << 1) | //side of dst - (0 << 0)); //parallel - } else if (strstr(s, "NOP") == s) { - C67_g(((a - 1) << 13) | //no of cycles - (0 << 0)); //parallel - } else - ALWAYS_ASSERT(FALSE); - -#ifdef ASSEMBLY_LISTING_C67 - fprintf(f, " %s %d %d %d\n", s, a, b, c); -#endif - -} - -//r=reg to load, fr=from reg, symbol for relocation, constant - -void C67_MVKL(int r, int fc) -{ - C67_asm("MVKL.", fc, r, 0); -} - -void C67_MVKH(int r, int fc) -{ - C67_asm("MVKH.", fc, r, 0); -} - -void C67_STB_SP_A0(int r) -{ - C67_asm("STB.D *+SP[A0]", r, 0, 0); // STB r,*+SP[A0] -} - -void C67_STH_SP_A0(int r) -{ - C67_asm("STH.D *+SP[A0]", r, 0, 0); // STH r,*+SP[A0] -} - -void C67_STW_SP_A0(int r) -{ - C67_asm("STW.D *+SP[A0]", r, 0, 0); // STW r,*+SP[A0] -} - -void C67_STB_PTR(int r, int r2) -{ - C67_asm("STB.D *", r, r2, 0); // STB r, *r2 -} - -void C67_STH_PTR(int r, int r2) -{ - C67_asm("STH.D *", r, r2, 0); // STH r, *r2 -} - -void C67_STW_PTR(int r, int r2) -{ - C67_asm("STW.D *", r, r2, 0); // STW r, *r2 -} - -void C67_STW_PTR_PRE_INC(int r, int r2, int n) -{ - C67_asm("STW.D +*", r, r2, n); // STW r, *+r2 -} - -void C67_PUSH(int r) -{ - C67_asm("STW.D SP POST DEC", r, 0, 0); // STW r,*SP-- -} - -void C67_LDW_SP_A0(int r) -{ - C67_asm("LDW.D *+SP[A0]", r, 0, 0); // LDW *+SP[A0],r -} - -void C67_LDDW_SP_A0(int r) -{ - C67_asm("LDDW.D *+SP[A0]", r, 0, 0); // LDDW *+SP[A0],r -} - -void C67_LDH_SP_A0(int r) -{ - C67_asm("LDH.D *+SP[A0]", r, 0, 0); // LDH *+SP[A0],r -} - -void C67_LDB_SP_A0(int r) -{ - C67_asm("LDB.D *+SP[A0]", r, 0, 0); // LDB *+SP[A0],r -} - -void C67_LDHU_SP_A0(int r) -{ - C67_asm("LDHU.D *+SP[A0]", r, 0, 0); // LDHU *+SP[A0],r -} - -void C67_LDBU_SP_A0(int r) -{ - C67_asm("LDBU.D *+SP[A0]", r, 0, 0); // LDBU *+SP[A0],r -} - -void C67_LDW_PTR(int r, int r2) -{ - C67_asm("LDW.D *", r, r2, 0); // LDW *r,r2 -} - -void C67_LDDW_PTR(int r, int r2) -{ - C67_asm("LDDW.D *", r, r2, 0); // LDDW *r,r2 -} - -void C67_LDH_PTR(int r, int r2) -{ - C67_asm("LDH.D *", r, r2, 0); // LDH *r,r2 -} - -void C67_LDB_PTR(int r, int r2) -{ - C67_asm("LDB.D *", r, r2, 0); // LDB *r,r2 -} - -void C67_LDHU_PTR(int r, int r2) -{ - C67_asm("LDHU.D *", r, r2, 0); // LDHU *r,r2 -} - -void C67_LDBU_PTR(int r, int r2) -{ - C67_asm("LDBU.D *", r, r2, 0); // LDBU *r,r2 -} - -void C67_LDW_PTR_PRE_INC(int r, int r2) -{ - C67_asm("LDW.D +*", r, r2, 0); // LDW *+r,r2 -} - -void C67_POP(int r) -{ - C67_asm("LDW.D SP PRE INC", r, 0, 0); // LDW *++SP,r -} - -void C67_POP_DW(int r) -{ - C67_asm("LDDW.D SP PRE INC", r, 0, 0); // LDDW *++SP,r -} - -void C67_CMPLT(int s1, int s2, int dst) -{ - C67_asm("CMPLT.L1", s1, s2, dst); -} - -void C67_CMPGT(int s1, int s2, int dst) -{ - C67_asm("CMPGT.L1", s1, s2, dst); -} - -void C67_CMPEQ(int s1, int s2, int dst) -{ - C67_asm("CMPEQ.L1", s1, s2, dst); -} - -void C67_CMPLTU(int s1, int s2, int dst) -{ - C67_asm("CMPLTU.L1", s1, s2, dst); -} - -void C67_CMPGTU(int s1, int s2, int dst) -{ - C67_asm("CMPGTU.L1", s1, s2, dst); -} - - -void C67_CMPLTSP(int s1, int s2, int dst) -{ - C67_asm("CMPLTSP.S1", s1, s2, dst); -} - -void C67_CMPGTSP(int s1, int s2, int dst) -{ - C67_asm("CMPGTSP.S1", s1, s2, dst); -} - -void C67_CMPEQSP(int s1, int s2, int dst) -{ - C67_asm("CMPEQSP.S1", s1, s2, dst); -} - -void C67_CMPLTDP(int s1, int s2, int dst) -{ - C67_asm("CMPLTDP.S1", s1, s2, dst); -} - -void C67_CMPGTDP(int s1, int s2, int dst) -{ - C67_asm("CMPGTDP.S1", s1, s2, dst); -} - -void C67_CMPEQDP(int s1, int s2, int dst) -{ - C67_asm("CMPEQDP.S1", s1, s2, dst); -} - - -void C67_IREG_B_REG(int inv, int r1, int r2) // [!R] B r2 -{ - C67_asm("B.S2", inv, r1, r2); -} - - -// call with how many 32 bit words to skip -// (0 would branch to the branch instruction) - -void C67_B_DISP(int disp) // B +2 Branch with constant displacement -{ - // Branch point is relative to the 8 word fetch packet - // - // we will assume the text section always starts on an 8 word (32 byte boundary) - // - // so add in how many words into the fetch packet the branch is - - - C67_asm("B DISP", disp + ((ind & 31) >> 2), 0, 0); -} - -void C67_NOP(int n) -{ - C67_asm("NOP", n, 0, 0); -} - -void C67_ADDK(int n, int r) -{ - ALWAYS_ASSERT(abs(n) < 32767); - - C67_asm("ADDK", n, r, 0); -} - -void C67_ADDK_PARALLEL(int n, int r) -{ - ALWAYS_ASSERT(abs(n) < 32767); - - C67_asm("||ADDK", n, r, 0); -} - -void C67_Adjust_ADDK(int *inst, int n) -{ - ALWAYS_ASSERT(abs(n) < 32767); - - *inst = (*inst & (~(0xffff << 7))) | ((n & 0xffff) << 7); -} - -void C67_MV(int r, int v) -{ - C67_asm("MV.L", 0, r, v); -} - - -void C67_DPTRUNC(int r, int v) -{ - C67_asm("DPTRUNC.L", 0, r, v); -} - -void C67_SPTRUNC(int r, int v) -{ - C67_asm("SPTRUNC.L", 0, r, v); -} - -void C67_INTSP(int r, int v) -{ - C67_asm("INTSP.L", 0, r, v); -} - -void C67_INTDP(int r, int v) -{ - C67_asm("INTDP.L", 0, r, v); -} - -void C67_INTSPU(int r, int v) -{ - C67_asm("INTSPU.L", 0, r, v); -} - -void C67_INTDPU(int r, int v) -{ - C67_asm("INTDPU.L", 0, r, v); -} - -void C67_SPDP(int r, int v) -{ - C67_asm("SPDP.L", 0, r, v); -} - -void C67_DPSP(int r, int v) // note regs must be on the same side -{ - C67_asm("DPSP.L", 0, r, v); -} - -void C67_ADD(int r, int v) -{ - C67_asm("ADD.L", v, r, v); -} - -void C67_SUB(int r, int v) -{ - C67_asm("SUB.L", v, r, v); -} - -void C67_AND(int r, int v) -{ - C67_asm("AND.L", v, r, v); -} - -void C67_OR(int r, int v) -{ - C67_asm("OR.L", v, r, v); -} - -void C67_XOR(int r, int v) -{ - C67_asm("XOR.L", v, r, v); -} - -void C67_ADDSP(int r, int v) -{ - C67_asm("ADDSP.L", v, r, v); -} - -void C67_SUBSP(int r, int v) -{ - C67_asm("SUBSP.L", v, r, v); -} - -void C67_MPYSP(int r, int v) -{ - C67_asm("MPYSP.M", v, r, v); -} - -void C67_ADDDP(int r, int v) -{ - C67_asm("ADDDP.L", v, r, v); -} - -void C67_SUBDP(int r, int v) -{ - C67_asm("SUBDP.L", v, r, v); -} - -void C67_MPYDP(int r, int v) -{ - C67_asm("MPYDP.M", v, r, v); -} - -void C67_MPYI(int r, int v) -{ - C67_asm("MPYI.M", v, r, v); -} - -void C67_SHL(int r, int v) -{ - C67_asm("SHL.S", r, v, v); -} - -void C67_SHRU(int r, int v) -{ - C67_asm("SHRU.S", r, v, v); -} - -void C67_SHR(int r, int v) -{ - C67_asm("SHR.S", r, v, v); -} - - - -/* load 'r' from value 'sv' */ -void load(int r, SValue * sv) -{ - int v, t, ft, fc, fr, size = 0, element; - BOOL Unsigned = FALSE; - SValue v1; - - fr = sv->r; - ft = sv->type.t; - fc = sv->c.ul; - - v = fr & VT_VALMASK; - if (fr & VT_LVAL) { - if (v == VT_LLOCAL) { - v1.type.t = VT_INT; - v1.r = VT_LOCAL | VT_LVAL; - v1.c.ul = fc; - load(r, &v1); - fr = r; - } else if ((ft & VT_BTYPE) == VT_LDOUBLE) { - tcc_error("long double not supported"); - } else if ((ft & VT_TYPE) == VT_BYTE) { - size = 1; - } else if ((ft & VT_TYPE) == (VT_BYTE | VT_UNSIGNED)) { - size = 1; - Unsigned = TRUE; - } else if ((ft & VT_TYPE) == VT_SHORT) { - size = 2; - } else if ((ft & VT_TYPE) == (VT_SHORT | VT_UNSIGNED)) { - size = 2; - Unsigned = TRUE; - } else if ((ft & VT_BTYPE) == VT_DOUBLE) { - size = 8; - } else { - size = 4; - } - - // check if fc is a positive reference on the stack, - // if it is tcc is referencing what it thinks is a parameter - // on the stack, so check if it is really in a register. - - - if (v == VT_LOCAL && fc > 0) { - int stack_pos = 8; - - for (t = 0; t < NoCallArgsPassedOnStack; t++) { - if (fc == stack_pos) - break; - - stack_pos += TranslateStackToReg[t]; - } - - // param has been pushed on stack, get it like a local var - - fc = ParamLocOnStack[t] - 8; - } - - if ((fr & VT_VALMASK) < VT_CONST) // check for pure indirect - { - if (size == 1) { - if (Unsigned) - C67_LDBU_PTR(v, r); // LDBU *v,r - else - C67_LDB_PTR(v, r); // LDB *v,r - } else if (size == 2) { - if (Unsigned) - C67_LDHU_PTR(v, r); // LDHU *v,r - else - C67_LDH_PTR(v, r); // LDH *v,r - } else if (size == 4) { - C67_LDW_PTR(v, r); // LDW *v,r - } else if (size == 8) { - C67_LDDW_PTR(v, r); // LDDW *v,r - } - - C67_NOP(4); // NOP 4 - return; - } else if (fr & VT_SYM) { - greloc(cur_text_section, sv->sym, ind, R_C60LO16); // rem the inst need to be patched - greloc(cur_text_section, sv->sym, ind + 4, R_C60HI16); - - - C67_MVKL(C67_A0, fc); //r=reg to load, constant - C67_MVKH(C67_A0, fc); //r=reg to load, constant - - - if (size == 1) { - if (Unsigned) - C67_LDBU_PTR(C67_A0, r); // LDBU *A0,r - else - C67_LDB_PTR(C67_A0, r); // LDB *A0,r - } else if (size == 2) { - if (Unsigned) - C67_LDHU_PTR(C67_A0, r); // LDHU *A0,r - else - C67_LDH_PTR(C67_A0, r); // LDH *A0,r - } else if (size == 4) { - C67_LDW_PTR(C67_A0, r); // LDW *A0,r - } else if (size == 8) { - C67_LDDW_PTR(C67_A0, r); // LDDW *A0,r - } - - C67_NOP(4); // NOP 4 - return; - } else { - element = size; - - // divide offset in bytes to create element index - C67_MVKL(C67_A0, (fc / element) + 8 / element); //r=reg to load, constant - C67_MVKH(C67_A0, (fc / element) + 8 / element); //r=reg to load, constant - - if (size == 1) { - if (Unsigned) - C67_LDBU_SP_A0(r); // LDBU r, SP[A0] - else - C67_LDB_SP_A0(r); // LDB r, SP[A0] - } else if (size == 2) { - if (Unsigned) - C67_LDHU_SP_A0(r); // LDHU r, SP[A0] - else - C67_LDH_SP_A0(r); // LDH r, SP[A0] - } else if (size == 4) { - C67_LDW_SP_A0(r); // LDW r, SP[A0] - } else if (size == 8) { - C67_LDDW_SP_A0(r); // LDDW r, SP[A0] - } - - - C67_NOP(4); // NOP 4 - return; - } - } else { - if (v == VT_CONST) { - if (fr & VT_SYM) { - greloc(cur_text_section, sv->sym, ind, R_C60LO16); // rem the inst need to be patched - greloc(cur_text_section, sv->sym, ind + 4, R_C60HI16); - } - C67_MVKL(r, fc); //r=reg to load, constant - C67_MVKH(r, fc); //r=reg to load, constant - } else if (v == VT_LOCAL) { - C67_MVKL(r, fc + 8); //r=reg to load, constant C67 stack points to next free - C67_MVKH(r, fc + 8); //r=reg to load, constant - C67_ADD(C67_FP, r); // MV v,r v -> r - } else if (v == VT_CMP) { - C67_MV(C67_compare_reg, r); // MV v,r v -> r - } else if (v == VT_JMP || v == VT_JMPI) { - t = v & 1; - C67_B_DISP(4); // Branch with constant displacement, skip over this branch, load, nop, load - C67_MVKL(r, t); // r=reg to load, 0 or 1 (do this while branching) - C67_NOP(4); // NOP 4 - gsym(fc); // modifies other branches to branch here - C67_MVKL(r, t ^ 1); // r=reg to load, 0 or 1 - } else if (v != r) { - C67_MV(v, r); // MV v,r v -> r - - if ((ft & VT_BTYPE) == VT_DOUBLE) - C67_MV(v + 1, r + 1); // MV v,r v -> r - } - } -} - - -/* store register 'r' in lvalue 'v' */ -void store(int r, SValue * v) -{ - int fr, bt, ft, fc, size, t, element; - - ft = v->type.t; - fc = v->c.ul; - fr = v->r & VT_VALMASK; - bt = ft & VT_BTYPE; - /* XXX: incorrect if float reg to reg */ - - if (bt == VT_LDOUBLE) { - tcc_error("long double not supported"); - } else { - if (bt == VT_SHORT) - size = 2; - else if (bt == VT_BYTE) - size = 1; - else if (bt == VT_DOUBLE) - size = 8; - else - size = 4; - - if ((v->r & VT_VALMASK) == VT_CONST) { - /* constant memory reference */ - - if (v->r & VT_SYM) { - greloc(cur_text_section, v->sym, ind, R_C60LO16); // rem the inst need to be patched - greloc(cur_text_section, v->sym, ind + 4, R_C60HI16); - } - C67_MVKL(C67_A0, fc); //r=reg to load, constant - C67_MVKH(C67_A0, fc); //r=reg to load, constant - - if (size == 1) - C67_STB_PTR(r, C67_A0); // STB r, *A0 - else if (size == 2) - C67_STH_PTR(r, C67_A0); // STH r, *A0 - else if (size == 4 || size == 8) - C67_STW_PTR(r, C67_A0); // STW r, *A0 - - if (size == 8) - C67_STW_PTR_PRE_INC(r + 1, C67_A0, 1); // STW r, *+A0[1] - } else if ((v->r & VT_VALMASK) == VT_LOCAL) { - // check case of storing to passed argument that - // tcc thinks is on the stack but for C67 is - // passed as a reg. However it may have been - // saved to the stack, if that reg was required - // for a call to a child function - - if (fc > 0) // argument ?? - { - // walk through sizes and figure which param - - int stack_pos = 8; - - for (t = 0; t < NoCallArgsPassedOnStack; t++) { - if (fc == stack_pos) - break; - - stack_pos += TranslateStackToReg[t]; - } - - // param has been pushed on stack, get it like a local var - fc = ParamLocOnStack[t] - 8; - } - - if (size == 8) - element = 4; - else - element = size; - - // divide offset in bytes to create word index - C67_MVKL(C67_A0, (fc / element) + 8 / element); //r=reg to load, constant - C67_MVKH(C67_A0, (fc / element) + 8 / element); //r=reg to load, constant - - - - if (size == 1) - C67_STB_SP_A0(r); // STB r, SP[A0] - else if (size == 2) - C67_STH_SP_A0(r); // STH r, SP[A0] - else if (size == 4 || size == 8) - C67_STW_SP_A0(r); // STW r, SP[A0] - - if (size == 8) { - C67_ADDK(1, C67_A0); // ADDK 1,A0 - C67_STW_SP_A0(r + 1); // STW r, SP[A0] - } - } else { - if (size == 1) - C67_STB_PTR(r, fr); // STB r, *fr - else if (size == 2) - C67_STH_PTR(r, fr); // STH r, *fr - else if (size == 4 || size == 8) - C67_STW_PTR(r, fr); // STW r, *fr - - if (size == 8) { - C67_STW_PTR_PRE_INC(r + 1, fr, 1); // STW r, *+fr[1] - } - } - } -} - -/* 'is_jmp' is '1' if it is a jump */ -static void gcall_or_jmp(int is_jmp) -{ - int r; - Sym *sym; - - if ((vtop->r & (VT_VALMASK | VT_LVAL)) == VT_CONST) { - /* constant case */ - if (vtop->r & VT_SYM) { - /* relocation case */ - - // get add into A0, then start the jump B3 - - greloc(cur_text_section, vtop->sym, ind, R_C60LO16); // rem the inst need to be patched - greloc(cur_text_section, vtop->sym, ind + 4, R_C60HI16); - - C67_MVKL(C67_A0, 0); //r=reg to load, constant - C67_MVKH(C67_A0, 0); //r=reg to load, constant - C67_IREG_B_REG(0, C67_CREG_ZERO, C67_A0); // B.S2x A0 - - if (is_jmp) { - C67_NOP(5); // simple jump, just put NOP - } else { - // Call, must load return address into B3 during delay slots - - sym = get_sym_ref(&char_pointer_type, cur_text_section, ind + 12, 0); // symbol for return address - greloc(cur_text_section, sym, ind, R_C60LO16); // rem the inst need to be patched - greloc(cur_text_section, sym, ind + 4, R_C60HI16); - C67_MVKL(C67_B3, 0); //r=reg to load, constant - C67_MVKH(C67_B3, 0); //r=reg to load, constant - C67_NOP(3); // put remaining NOPs - } - } else { - /* put an empty PC32 relocation */ - ALWAYS_ASSERT(FALSE); - } - } else { - /* otherwise, indirect call */ - r = gv(RC_INT); - C67_IREG_B_REG(0, C67_CREG_ZERO, r); // B.S2x r - - if (is_jmp) { - C67_NOP(5); // simple jump, just put NOP - } else { - // Call, must load return address into B3 during delay slots - - sym = get_sym_ref(&char_pointer_type, cur_text_section, ind + 12, 0); // symbol for return address - greloc(cur_text_section, sym, ind, R_C60LO16); // rem the inst need to be patched - greloc(cur_text_section, sym, ind + 4, R_C60HI16); - C67_MVKL(C67_B3, 0); //r=reg to load, constant - C67_MVKH(C67_B3, 0); //r=reg to load, constant - C67_NOP(3); // put remaining NOPs - } - } -} - -ST_FUNC int regargs_nregs(RegArgs *args) -{ - return *args; -} - -/* Return the number of registers needed to return the struct, or 0 if - returning via struct pointer. */ -ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *ret_align, int *regsize, RegArgs *args) { - *ret_align = 1; // Never have to re-align return values for x86-64 - *args = 0; - - return 0; -} - -/* generate function call with address in (vtop->t, vtop->c) and free function - context. Stack entry is popped */ -void gfunc_call(int nb_args) -{ - int i, r, size = 0; - int args_sizes[NoCallArgsPassedOnStack]; - - if (nb_args > NoCallArgsPassedOnStack) { - tcc_error("more than 10 function params not currently supported"); - // handle more than 10, put some on the stack - } - - for (i = 0; i < nb_args; i++) { - if ((vtop->type.t & VT_BTYPE) == VT_STRUCT) { - ALWAYS_ASSERT(FALSE); - } else { - /* simple type (currently always same size) */ - /* XXX: implicit cast ? */ - - - if ((vtop->type.t & VT_BTYPE) == VT_LLONG) { - tcc_error("long long not supported"); - } else if ((vtop->type.t & VT_BTYPE) == VT_LDOUBLE) { - tcc_error("long double not supported"); - } else if ((vtop->type.t & VT_BTYPE) == VT_DOUBLE) { - size = 8; - } else { - size = 4; - } - - // put the parameter into the corresponding reg (pair) - - r = gv(RC_C67_A4 << (2 * i)); - - // must put on stack because with 1 pass compiler , no way to tell - // if an up coming nested call might overwrite these regs - - C67_PUSH(r); - - if (size == 8) { - C67_STW_PTR_PRE_INC(r + 1, C67_SP, 3); // STW r, *+SP[3] (go back and put the other) - } - args_sizes[i] = size; - } - vtop--; - } - // POP all the params on the stack into registers for the - // immediate call (in reverse order) - - for (i = nb_args - 1; i >= 0; i--) { - - if (args_sizes[i] == 8) - C67_POP_DW(TREG_C67_A4 + i * 2); - else - C67_POP(TREG_C67_A4 + i * 2); - } - gcall_or_jmp(0); - vtop--; -} - - -// to be compatible with Code Composer for the C67 -// the first 10 parameters must be passed in registers -// (pairs for 64 bits) starting wit; A4:A5, then B4:B5 and -// ending with B12:B13. -// -// When a call is made, if the caller has its parameters -// in regs A4-B13 these must be saved before/as the call -// parameters are loaded and restored upon return (or if/when needed). - -/* generate function prolog of type 't' */ -void gfunc_prolog(CType * func_type) -{ - int addr, align, size, func_call, i; - Sym *sym; - CType *type; - - sym = func_type->ref; - func_call = sym->r; - addr = 8; - /* if the function returns a structure, then add an - implicit pointer parameter */ - func_vt = sym->type; - func_var = (sym->c == FUNC_ELLIPSIS); - if ((func_vt.t & VT_BTYPE) == VT_STRUCT) { - func_vc = addr; - addr += 4; - } - - NoOfCurFuncArgs = 0; - - /* define parameters */ - while ((sym = sym->next) != NULL) { - type = &sym->type; - sym_push(sym->v & ~SYM_FIELD, type, VT_LOCAL | lvalue_type(type->t), addr); - size = type_size(type, &align); - size = (size + 3) & ~3; - - // keep track of size of arguments so - // we can translate where tcc thinks they - // are on the stack into the appropriate reg - - TranslateStackToReg[NoOfCurFuncArgs] = size; - NoOfCurFuncArgs++; - -#ifdef FUNC_STRUCT_PARAM_AS_PTR - /* structs are passed as pointer */ - if ((type->t & VT_BTYPE) == VT_STRUCT) { - size = 4; - } -#endif - addr += size; - } - func_ret_sub = 0; - /* pascal type call ? */ - if (func_call == FUNC_STDCALL) - func_ret_sub = addr - 8; - - C67_MV(C67_FP, C67_A0); // move FP -> A0 - C67_MV(C67_SP, C67_FP); // move SP -> FP - - // place all the args passed in regs onto the stack - - loc = 0; - for (i = 0; i < NoOfCurFuncArgs; i++) { - - ParamLocOnStack[i] = loc; // remember where the param is - loc += -8; - - C67_PUSH(TREG_C67_A4 + i * 2); - - if (TranslateStackToReg[i] == 8) { - C67_STW_PTR_PRE_INC(TREG_C67_A4 + i * 2 + 1, C67_SP, 3); // STW r, *+SP[1] (go back and put the other) - } - } - - TotalBytesPushedOnStack = -loc; - - func_sub_sp_offset = ind; // remember where we put the stack instruction - C67_ADDK(0, C67_SP); // ADDK.L2 loc,SP (just put zero temporarily) - - C67_PUSH(C67_A0); - C67_PUSH(C67_B3); -} - -/* generate function epilog */ -void gfunc_epilog(void) -{ - { - int local = (-loc + 7) & -8; // stack must stay aligned to 8 bytes for LDDW instr - C67_POP(C67_B3); - C67_NOP(4); // NOP wait for load - C67_IREG_B_REG(0, C67_CREG_ZERO, C67_B3); // B.S2 B3 - C67_POP(C67_FP); - C67_ADDK(local, C67_SP); // ADDK.L2 loc,SP - C67_Adjust_ADDK((int *) (cur_text_section->data + - func_sub_sp_offset), - -local + TotalBytesPushedOnStack); - C67_NOP(3); // NOP - } -} - -/* generate a jump to a label */ -int gjmp(int t) -{ - int ind1 = ind; - - C67_MVKL(C67_A0, t); //r=reg to load, constant - C67_MVKH(C67_A0, t); //r=reg to load, constant - C67_IREG_B_REG(0, C67_CREG_ZERO, C67_A0); // [!R] B.S2x A0 - C67_NOP(5); - return ind1; -} - -/* generate a jump to a fixed address */ -void gjmp_addr(int a) -{ - Sym *sym; - // I guess this routine is used for relative short - // local jumps, for now just handle it as the general - // case - - // define a label that will be relocated - - sym = get_sym_ref(&char_pointer_type, cur_text_section, a, 0); - greloc(cur_text_section, sym, ind, R_C60LO16); - greloc(cur_text_section, sym, ind + 4, R_C60HI16); - - gjmp(0); // place a zero there later the symbol will be added to it -} - -/* generate a test. set 'inv' to invert test. Stack entry is popped */ -int gtst(int inv, int t) -{ - int ind1, n; - int v, *p; - - v = vtop->r & VT_VALMASK; - if (v == VT_CMP) { - /* fast case : can jump directly since flags are set */ - // C67 uses B2 sort of as flags register - ind1 = ind; - C67_MVKL(C67_A0, t); //r=reg to load, constant - C67_MVKH(C67_A0, t); //r=reg to load, constant - - if (C67_compare_reg != TREG_EAX && // check if not already in a conditional test reg - C67_compare_reg != TREG_EDX && - C67_compare_reg != TREG_ST0 && C67_compare_reg != C67_B2) { - C67_MV(C67_compare_reg, C67_B2); - C67_compare_reg = C67_B2; - } - - C67_IREG_B_REG(C67_invert_test ^ inv, C67_compare_reg, C67_A0); // [!R] B.S2x A0 - C67_NOP(5); - t = ind1; //return where we need to patch - - } else if (v == VT_JMP || v == VT_JMPI) { - /* && or || optimization */ - if ((v & 1) == inv) { - /* insert vtop->c jump list in t */ - p = &vtop->c.i; - - // I guess the idea is to traverse to the - // null at the end of the list and store t - // there - - n = *p; - while (n != 0) { - p = (int *) (cur_text_section->data + n); - - // extract 32 bit address from MVKH/MVKL - n = ((*p >> 7) & 0xffff); - n |= ((*(p + 1) >> 7) & 0xffff) << 16; - } - *p |= (t & 0xffff) << 7; - *(p + 1) |= ((t >> 16) & 0xffff) << 7; - t = vtop->c.i; - - } else { - t = gjmp(t); - gsym(vtop->c.i); - } - } - vtop--; - return t; -} - -/* generate an integer binary operation */ -void gen_opi(int op) -{ - int r, fr, opc, t; - - switch (op) { - case '+': - case TOK_ADDC1: /* add with carry generation */ - opc = 0; - gen_op8: - - -// C67 can't do const compares, must load into a reg -// so just go to gv2 directly - tktk - - - - if (op >= TOK_ULT && op <= TOK_GT) - gv2(RC_INT_BSIDE, RC_INT); // make sure r (src1) is on the B Side of CPU - else - gv2(RC_INT, RC_INT); - - r = vtop[-1].r; - fr = vtop[0].r; - - C67_compare_reg = C67_B2; - - - if (op == TOK_LT) { - C67_CMPLT(r, fr, C67_B2); - C67_invert_test = FALSE; - } else if (op == TOK_GE) { - C67_CMPLT(r, fr, C67_B2); - C67_invert_test = TRUE; - } else if (op == TOK_GT) { - C67_CMPGT(r, fr, C67_B2); - C67_invert_test = FALSE; - } else if (op == TOK_LE) { - C67_CMPGT(r, fr, C67_B2); - C67_invert_test = TRUE; - } else if (op == TOK_EQ) { - C67_CMPEQ(r, fr, C67_B2); - C67_invert_test = FALSE; - } else if (op == TOK_NE) { - C67_CMPEQ(r, fr, C67_B2); - C67_invert_test = TRUE; - } else if (op == TOK_ULT) { - C67_CMPLTU(r, fr, C67_B2); - C67_invert_test = FALSE; - } else if (op == TOK_UGE) { - C67_CMPLTU(r, fr, C67_B2); - C67_invert_test = TRUE; - } else if (op == TOK_UGT) { - C67_CMPGTU(r, fr, C67_B2); - C67_invert_test = FALSE; - } else if (op == TOK_ULE) { - C67_CMPGTU(r, fr, C67_B2); - C67_invert_test = TRUE; - } else if (op == '+') - C67_ADD(fr, r); // ADD r,fr,r - else if (op == '-') - C67_SUB(fr, r); // SUB r,fr,r - else if (op == '&') - C67_AND(fr, r); // AND r,fr,r - else if (op == '|') - C67_OR(fr, r); // OR r,fr,r - else if (op == '^') - C67_XOR(fr, r); // XOR r,fr,r - else - ALWAYS_ASSERT(FALSE); - - vtop--; - if (op >= TOK_ULT && op <= TOK_GT) { - vtop->r = VT_CMP; - vtop->c.i = op; - } - break; - case '-': - case TOK_SUBC1: /* sub with carry generation */ - opc = 5; - goto gen_op8; - case TOK_ADDC2: /* add with carry use */ - opc = 2; - goto gen_op8; - case TOK_SUBC2: /* sub with carry use */ - opc = 3; - goto gen_op8; - case '&': - opc = 4; - goto gen_op8; - case '^': - opc = 6; - goto gen_op8; - case '|': - opc = 1; - goto gen_op8; - case '*': - case TOK_UMULL: - gv2(RC_INT, RC_INT); - r = vtop[-1].r; - fr = vtop[0].r; - vtop--; - C67_MPYI(fr, r); // 32 bit bultiply fr,r,fr - C67_NOP(8); // NOP 8 for worst case - break; - case TOK_SHL: - gv2(RC_INT_BSIDE, RC_INT_BSIDE); // shift amount must be on same side as dst - r = vtop[-1].r; - fr = vtop[0].r; - vtop--; - C67_SHL(fr, r); // arithmetic/logical shift - break; - - case TOK_SHR: - gv2(RC_INT_BSIDE, RC_INT_BSIDE); // shift amount must be on same side as dst - r = vtop[-1].r; - fr = vtop[0].r; - vtop--; - C67_SHRU(fr, r); // logical shift - break; - - case TOK_SAR: - gv2(RC_INT_BSIDE, RC_INT_BSIDE); // shift amount must be on same side as dst - r = vtop[-1].r; - fr = vtop[0].r; - vtop--; - C67_SHR(fr, r); // arithmetic shift - break; - - case '/': - t = TOK__divi; - call_func: - vswap(); - /* call generic idiv function */ - vpush_global_sym(&func_old_type, t); - vrott(3); - gfunc_call(2); - vpushi(0); - vtop->r = REG_IRET; - vtop->r2 = VT_CONST; - break; - case TOK_UDIV: - case TOK_PDIV: - t = TOK__divu; - goto call_func; - case '%': - t = TOK__remi; - goto call_func; - case TOK_UMOD: - t = TOK__remu; - goto call_func; - - default: - opc = 7; - goto gen_op8; - } -} - -/* generate a floating point operation 'v = t1 op t2' instruction. The - two operands are guaranted to have the same floating point type */ -/* XXX: need to use ST1 too */ -void gen_opf(int op) -{ - int ft, fc, fr, r; - - if (op >= TOK_ULT && op <= TOK_GT) - gv2(RC_EDX, RC_EAX); // make sure src2 is on b side - else - gv2(RC_FLOAT, RC_FLOAT); // make sure src2 is on b side - - ft = vtop->type.t; - fc = vtop->c.ul; - r = vtop->r; - fr = vtop[-1].r; - - - if ((ft & VT_BTYPE) == VT_LDOUBLE) - tcc_error("long doubles not supported"); - - if (op >= TOK_ULT && op <= TOK_GT) { - - r = vtop[-1].r; - fr = vtop[0].r; - - C67_compare_reg = C67_B2; - - if (op == TOK_LT) { - if ((ft & VT_BTYPE) == VT_DOUBLE) - C67_CMPLTDP(r, fr, C67_B2); - else - C67_CMPLTSP(r, fr, C67_B2); - - C67_invert_test = FALSE; - } else if (op == TOK_GE) { - if ((ft & VT_BTYPE) == VT_DOUBLE) - C67_CMPLTDP(r, fr, C67_B2); - else - C67_CMPLTSP(r, fr, C67_B2); - - C67_invert_test = TRUE; - } else if (op == TOK_GT) { - if ((ft & VT_BTYPE) == VT_DOUBLE) - C67_CMPGTDP(r, fr, C67_B2); - else - C67_CMPGTSP(r, fr, C67_B2); - - C67_invert_test = FALSE; - } else if (op == TOK_LE) { - if ((ft & VT_BTYPE) == VT_DOUBLE) - C67_CMPGTDP(r, fr, C67_B2); - else - C67_CMPGTSP(r, fr, C67_B2); - - C67_invert_test = TRUE; - } else if (op == TOK_EQ) { - if ((ft & VT_BTYPE) == VT_DOUBLE) - C67_CMPEQDP(r, fr, C67_B2); - else - C67_CMPEQSP(r, fr, C67_B2); - - C67_invert_test = FALSE; - } else if (op == TOK_NE) { - if ((ft & VT_BTYPE) == VT_DOUBLE) - C67_CMPEQDP(r, fr, C67_B2); - else - C67_CMPEQSP(r, fr, C67_B2); - - C67_invert_test = TRUE; - } else { - ALWAYS_ASSERT(FALSE); - } - vtop->r = VT_CMP; // tell TCC that result is in "flags" actually B2 - } else { - if (op == '+') { - if ((ft & VT_BTYPE) == VT_DOUBLE) { - C67_ADDDP(r, fr); // ADD fr,r,fr - C67_NOP(6); - } else { - C67_ADDSP(r, fr); // ADD fr,r,fr - C67_NOP(3); - } - vtop--; - } else if (op == '-') { - if ((ft & VT_BTYPE) == VT_DOUBLE) { - C67_SUBDP(r, fr); // SUB fr,r,fr - C67_NOP(6); - } else { - C67_SUBSP(r, fr); // SUB fr,r,fr - C67_NOP(3); - } - vtop--; - } else if (op == '*') { - if ((ft & VT_BTYPE) == VT_DOUBLE) { - C67_MPYDP(r, fr); // MPY fr,r,fr - C67_NOP(9); - } else { - C67_MPYSP(r, fr); // MPY fr,r,fr - C67_NOP(3); - } - vtop--; - } else if (op == '/') { - if ((ft & VT_BTYPE) == VT_DOUBLE) { - // must call intrinsic DP floating point divide - vswap(); - /* call generic idiv function */ - vpush_global_sym(&func_old_type, TOK__divd); - vrott(3); - gfunc_call(2); - vpushi(0); - vtop->r = REG_FRET; - vtop->r2 = REG_LRET; - - } else { - // must call intrinsic SP floating point divide - vswap(); - /* call generic idiv function */ - vpush_global_sym(&func_old_type, TOK__divf); - vrott(3); - gfunc_call(2); - vpushi(0); - vtop->r = REG_FRET; - vtop->r2 = VT_CONST; - } - } else - ALWAYS_ASSERT(FALSE); - - - } -} - - -/* convert integers to fp 't' type. Must handle 'int', 'unsigned int' - and 'long long' cases. */ -void gen_cvt_itof(int t) -{ - int r; - - gv(RC_INT); - r = vtop->r; - - if ((t & VT_BTYPE) == VT_DOUBLE) { - if (t & VT_UNSIGNED) - C67_INTDPU(r, r); - else - C67_INTDP(r, r); - - C67_NOP(4); - vtop->type.t = VT_DOUBLE; - } else { - if (t & VT_UNSIGNED) - C67_INTSPU(r, r); - else - C67_INTSP(r, r); - C67_NOP(3); - vtop->type.t = VT_FLOAT; - } - -} - -/* convert fp to int 't' type */ -/* XXX: handle long long case */ -void gen_cvt_ftoi(int t) -{ - int r; - - gv(RC_FLOAT); - r = vtop->r; - - if (t != VT_INT) - tcc_error("long long not supported"); - else { - if ((vtop->type.t & VT_BTYPE) == VT_DOUBLE) { - C67_DPTRUNC(r, r); - C67_NOP(3); - } else { - C67_SPTRUNC(r, r); - C67_NOP(3); - } - - vtop->type.t = VT_INT; - - } -} - -/* convert from one floating point type to another */ -void gen_cvt_ftof(int t) -{ - int r, r2; - - if ((vtop->type.t & VT_BTYPE) == VT_DOUBLE && - (t & VT_BTYPE) == VT_FLOAT) { - // convert double to float - - gv(RC_FLOAT); // get it in a register pair - - r = vtop->r; - - C67_DPSP(r, r); // convert it to SP same register - C67_NOP(3); - - vtop->type.t = VT_FLOAT; - vtop->r2 = VT_CONST; // set this as unused - } else if ((vtop->type.t & VT_BTYPE) == VT_FLOAT && - (t & VT_BTYPE) == VT_DOUBLE) { - // convert float to double - - gv(RC_FLOAT); // get it in a register - - r = vtop->r; - - if (r == TREG_EAX) { // make sure the paired reg is avail - r2 = get_reg(RC_ECX); - } else if (r == TREG_EDX) { - r2 = get_reg(RC_ST0); - } else { - ALWAYS_ASSERT(FALSE); - r2 = 0; /* avoid warning */ - } - - C67_SPDP(r, r); // convert it to DP same register - C67_NOP(1); - - vtop->type.t = VT_DOUBLE; - vtop->r2 = r2; // set this as unused - } else { - ALWAYS_ASSERT(FALSE); - } -} - -/* computed goto support */ -void ggoto(void) -{ - gcall_or_jmp(1); - vtop--; -} - -/* Save the stack pointer onto the stack and return the location of its address */ -ST_FUNC void gen_vla_sp_save(int addr) { - tcc_error("variable length arrays unsupported for this target"); -} - -/* Restore the SP from a location on the stack */ -ST_FUNC void gen_vla_sp_restore(int addr) { - tcc_error("variable length arrays unsupported for this target"); -} - -/* Subtract from the stack pointer, and push the resulting value onto the stack */ -ST_FUNC void gen_vla_alloc(CType *type, int align) { - tcc_error("variable length arrays unsupported for this target"); -} - -/* end of C67 code generator */ -/*************************************************************/ -#endif -/*************************************************************/ diff --git a/src/x86/i386-asm.c b/src/x86/i386-asm.c deleted file mode 100644 index adc40b2..0000000 --- a/src/x86/i386-asm.c +++ /dev/null @@ -1,1502 +0,0 @@ -/* - * i386 specific functions for TCC assembler - * - * Copyright (c) 2001, 2002 Fabrice Bellard - * Copyright (c) 2009 Frédéric Feret (x86_64 support) - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "../tcc.h" - -/* #define NB_ASM_REGS 8 */ -#define MAX_OPERANDS 3 -#define NB_SAVED_REGS 3 - -#define TOK_ASM_first TOK_ASM_clc -#define TOK_ASM_last TOK_ASM_emms -#define TOK_ASM_alllast TOK_ASM_pxor - -#define OPC_JMP 0x01 /* jmp operand */ -#define OPC_B 0x02 /* only used with OPC_WL */ -#define OPC_WL 0x04 /* accepts w, l or no suffix */ -#define OPC_BWL (OPC_B | OPC_WL) /* accepts b, w, l or no suffix */ -#define OPC_REG 0x08 /* register is added to opcode */ -#define OPC_MODRM 0x10 /* modrm encoding */ -#define OPC_FWAIT 0x20 /* add fwait opcode */ -#define OPC_TEST 0x40 /* test opcodes */ -#define OPC_SHIFT 0x80 /* shift opcodes */ -#define OPC_D16 0x0100 /* generate data16 prefix */ -#define OPC_ARITH 0x0200 /* arithmetic opcodes */ -#define OPC_SHORTJMP 0x0400 /* short jmp operand */ -#define OPC_FARITH 0x0800 /* FPU arithmetic opcodes */ -#ifdef TCC_TARGET_X86_64 -# define OPC_WLQ 0x1000 /* accepts w, l, q or no suffix */ -# define OPC_BWLQ (OPC_B | OPC_WLQ) /* accepts b, w, l, q or no suffix */ -# define OPC_WLX OPC_WLQ -#else -# define OPC_WLX OPC_WL -#endif - -#define OPC_GROUP_SHIFT 13 - -/* in order to compress the operand type, we use specific operands and - we or only with EA */ -enum { - OPT_REG8=0, /* warning: value is hardcoded from TOK_ASM_xxx */ - OPT_REG16, /* warning: value is hardcoded from TOK_ASM_xxx */ - OPT_REG32, /* warning: value is hardcoded from TOK_ASM_xxx */ -#ifdef TCC_TARGET_X86_64 - OPT_REG64, /* warning: value is hardcoded from TOK_ASM_xxx */ -#endif - OPT_MMX, /* warning: value is hardcoded from TOK_ASM_xxx */ - OPT_SSE, /* warning: value is hardcoded from TOK_ASM_xxx */ - OPT_CR, /* warning: value is hardcoded from TOK_ASM_xxx */ - OPT_TR, /* warning: value is hardcoded from TOK_ASM_xxx */ - OPT_DB, /* warning: value is hardcoded from TOK_ASM_xxx */ - OPT_SEG, - OPT_ST, - OPT_IM8, - OPT_IM8S, - OPT_IM16, - OPT_IM32, -#ifdef TCC_TARGET_X86_64 - OPT_IM64, -#endif - OPT_EAX, /* %al, %ax, %eax or %rax register */ - OPT_ST0, /* %st(0) register */ - OPT_CL, /* %cl register */ - OPT_DX, /* %dx register */ - OPT_ADDR, /* OP_EA with only offset */ - OPT_INDIR, /* *(expr) */ - /* composite types */ - OPT_COMPOSITE_FIRST, - OPT_IM, /* IM8 | IM16 | IM32 | IM64 */ - OPT_REG, /* REG8 | REG16 | REG32 | REG64 */ - OPT_REGW, /* REG16 | REG32 | REG64 */ - OPT_IMW, /* IM16 | IM32 | IM64 */ -#ifdef TCC_TARGET_X86_64 - OPT_IMNO64, /* IM16 | IM32 */ -#endif - /* can be ored with any OPT_xxx */ - OPT_EA = 0x80 -}; - -#define OP_REG8 (1 << OPT_REG8) -#define OP_REG16 (1 << OPT_REG16) -#define OP_REG32 (1 << OPT_REG32) -#define OP_MMX (1 << OPT_MMX) -#define OP_SSE (1 << OPT_SSE) -#define OP_CR (1 << OPT_CR) -#define OP_TR (1 << OPT_TR) -#define OP_DB (1 << OPT_DB) -#define OP_SEG (1 << OPT_SEG) -#define OP_ST (1 << OPT_ST) -#define OP_IM8 (1 << OPT_IM8) -#define OP_IM8S (1 << OPT_IM8S) -#define OP_IM16 (1 << OPT_IM16) -#define OP_IM32 (1 << OPT_IM32) -#define OP_EAX (1 << OPT_EAX) -#define OP_ST0 (1 << OPT_ST0) -#define OP_CL (1 << OPT_CL) -#define OP_DX (1 << OPT_DX) -#define OP_ADDR (1 << OPT_ADDR) -#define OP_INDIR (1 << OPT_INDIR) -#ifdef TCC_TARGET_X86_64 -# define OP_REG64 (1 << OPT_REG64) -# define OP_IM64 (1 << OPT_IM64) -#else -# define OP_REG64 0 -# define OP_IM64 0 -#endif - -#define OP_EA 0x40000000 -#define OP_REG (OP_REG8 | OP_REG16 | OP_REG32 | OP_REG64) - -#ifdef TCC_TARGET_X86_64 -# define OP_IM OP_IM64 -# define TREG_XAX TREG_RAX -# define TREG_XCX TREG_RCX -# define TREG_XDX TREG_RDX -#else -# define OP_IM OP_IM32 -# define TREG_XAX TREG_EAX -# define TREG_XCX TREG_ECX -# define TREG_XDX TREG_EDX -#endif - -typedef struct ASMInstr { - uint16_t sym; - uint16_t opcode; - uint16_t instr_type; - uint8_t nb_ops; - uint8_t op_type[MAX_OPERANDS]; /* see OP_xxx */ -} ASMInstr; - -typedef struct Operand { - uint32_t type; - int8_t reg; /* register, -1 if none */ - int8_t reg2; /* second register, -1 if none */ - uint8_t shift; - ExprValue e; -} Operand; - -static const uint8_t reg_to_size[9] = { -/* - [OP_REG8] = 0, - [OP_REG16] = 1, - [OP_REG32] = 2, -#ifdef TCC_TARGET_X86_64 - [OP_REG64] = 3, -#endif -*/ - 0, 0, 1, 0, 2, 0, 0, 0, 3 -}; - -#define NB_TEST_OPCODES 30 - -static const uint8_t test_bits[NB_TEST_OPCODES] = { - 0x00, /* o */ - 0x01, /* no */ - 0x02, /* b */ - 0x02, /* c */ - 0x02, /* nae */ - 0x03, /* nb */ - 0x03, /* nc */ - 0x03, /* ae */ - 0x04, /* e */ - 0x04, /* z */ - 0x05, /* ne */ - 0x05, /* nz */ - 0x06, /* be */ - 0x06, /* na */ - 0x07, /* nbe */ - 0x07, /* a */ - 0x08, /* s */ - 0x09, /* ns */ - 0x0a, /* p */ - 0x0a, /* pe */ - 0x0b, /* np */ - 0x0b, /* po */ - 0x0c, /* l */ - 0x0c, /* nge */ - 0x0d, /* nl */ - 0x0d, /* ge */ - 0x0e, /* le */ - 0x0e, /* ng */ - 0x0f, /* nle */ - 0x0f, /* g */ -}; - -static const uint8_t segment_prefixes[] = { - 0x26, /* es */ - 0x2e, /* cs */ - 0x36, /* ss */ - 0x3e, /* ds */ - 0x64, /* fs */ - 0x65 /* gs */ -}; - -static const ASMInstr asm_instrs[] = { -#define ALT(x) x -#define DEF_ASM_OP0(name, opcode) -#define DEF_ASM_OP0L(name, opcode, group, instr_type) { TOK_ASM_ ## name, opcode, (instr_type | group << OPC_GROUP_SHIFT), 0 }, -#define DEF_ASM_OP1(name, opcode, group, instr_type, op0) { TOK_ASM_ ## name, opcode, (instr_type | group << OPC_GROUP_SHIFT), 1, { op0 }}, -#define DEF_ASM_OP2(name, opcode, group, instr_type, op0, op1) { TOK_ASM_ ## name, opcode, (instr_type | group << OPC_GROUP_SHIFT), 2, { op0, op1 }}, -#define DEF_ASM_OP3(name, opcode, group, instr_type, op0, op1, op2) { TOK_ASM_ ## name, opcode, (instr_type | group << OPC_GROUP_SHIFT), 3, { op0, op1, op2 }}, -#ifdef TCC_TARGET_X86_64 -# include "x86_64-asm.h" -#else -# include "i386-asm.h" -#endif - /* last operation */ - { 0, }, -}; - -static const uint16_t op0_codes[] = { -#define ALT(x) -#define DEF_ASM_OP0(x, opcode) opcode, -#define DEF_ASM_OP0L(name, opcode, group, instr_type) -#define DEF_ASM_OP1(name, opcode, group, instr_type, op0) -#define DEF_ASM_OP2(name, opcode, group, instr_type, op0, op1) -#define DEF_ASM_OP3(name, opcode, group, instr_type, op0, op1, op2) -#ifdef TCC_TARGET_X86_64 -# include "x86_64-asm.h" -#else -# include "i386-asm.h" -#endif -}; - -static inline int get_reg_shift(TCCState *s1) -{ - int shift, v; -#ifdef I386_ASM_16 - if (s1->seg_size == 16) - tcc_error("invalid effective address"); -#endif - v = asm_int_expr(s1); - switch(v) { - case 1: - shift = 0; - break; - case 2: - shift = 1; - break; - case 4: - shift = 2; - break; - case 8: - shift = 3; - break; - default: - expect("1, 2, 4 or 8 constant"); - shift = 0; - break; - } - return shift; -} - -static int asm_parse_reg(void) -{ - int reg = 0; - if (tok != '%') - goto error_32; - next(); - if (tok >= TOK_ASM_eax && tok <= TOK_ASM_edi) { - reg = tok - TOK_ASM_eax; -#ifdef TCC_TARGET_X86_64 - } else if (tok >= TOK_ASM_rax && tok <= TOK_ASM_rdi) { - reg = tok - TOK_ASM_rax; -#endif -#ifdef I386_ASM_16 - } else if (tok >= TOK_ASM_ax && tok <= TOK_ASM_di) { - reg = tok - TOK_ASM_ax; -#endif - } else { - error_32: - expect("register"); - } - next(); - return reg; -} - -static void parse_operand(TCCState *s1, Operand *op) -{ - ExprValue e; - int reg, indir; - const char *p; - - indir = 0; - if (tok == '*') { - next(); - indir = OP_INDIR; - } - - if (tok == '%') { - next(); - if (tok >= TOK_ASM_al && tok <= TOK_ASM_db7) { - reg = tok - TOK_ASM_al; - op->type = 1 << (reg >> 3); /* WARNING: do not change constant order */ - op->reg = reg & 7; - if ((op->type & OP_REG) && op->reg == TREG_XAX) - op->type |= OP_EAX; - else if (op->type == OP_REG8 && op->reg == TREG_XCX) - op->type |= OP_CL; - else if (op->type == OP_REG16 && op->reg == TREG_XDX) - op->type |= OP_DX; - } else if (tok >= TOK_ASM_dr0 && tok <= TOK_ASM_dr7) { - op->type = OP_DB; - op->reg = tok - TOK_ASM_dr0; - } else if (tok >= TOK_ASM_es && tok <= TOK_ASM_gs) { - op->type = OP_SEG; - op->reg = tok - TOK_ASM_es; - } else if (tok == TOK_ASM_st) { - op->type = OP_ST; - op->reg = 0; - next(); - if (tok == '(') { - next(); - if (tok != TOK_PPNUM) - goto reg_error; - p = tokc.cstr->data; - reg = p[0] - '0'; - if ((unsigned)reg >= 8 || p[1] != '\0') - goto reg_error; - op->reg = reg; - next(); - skip(')'); - } - if (op->reg == 0) - op->type |= OP_ST0; - goto no_skip; - } else { - reg_error: - tcc_error("unknown register"); - } - next(); - no_skip: ; - } else if (tok == '$') { - /* constant value */ - next(); - asm_expr(s1, &e); - op->type = OP_IM; - op->e.v = e.v; - op->e.sym = e.sym; - if (!op->e.sym) { - if (op->e.v == (uint8_t)op->e.v) - op->type |= OP_IM8; - if (op->e.v == (int8_t)op->e.v) - op->type |= OP_IM8S; - if (op->e.v == (uint16_t)op->e.v) - op->type |= OP_IM16; -#ifdef TCC_TARGET_X86_64 - if (op->e.v == (uint32_t)op->e.v) - op->type |= OP_IM32; -#endif - } - } else { - /* address(reg,reg2,shift) with all variants */ - op->type = OP_EA; - op->reg = -1; - op->reg2 = -1; - op->shift = 0; - if (tok != '(') { - asm_expr(s1, &e); - op->e.v = e.v; - op->e.sym = e.sym; - } else { - next(); - if (tok == '%') { - unget_tok('('); - op->e.v = 0; - op->e.sym = NULL; - } else { - /* bracketed offset expression */ - asm_expr(s1, &e); - if (tok != ')') - expect(")"); - next(); - op->e.v = e.v; - op->e.sym = e.sym; - } - } - if (tok == '(') { - next(); - if (tok != ',') { - op->reg = asm_parse_reg(); - } - if (tok == ',') { - next(); - if (tok != ',') { - op->reg2 = asm_parse_reg(); - } - if (tok == ',') { - next(); - op->shift = get_reg_shift(s1); - } - } - skip(')'); - } - if (op->reg == -1 && op->reg2 == -1) - op->type |= OP_ADDR; - } - op->type |= indir; -} - -/* XXX: unify with C code output ? */ -ST_FUNC void gen_expr32(ExprValue *pe) -{ - gen_addr32(pe->sym ? VT_SYM : 0, pe->sym, pe->v); -} - -#ifdef TCC_TARGET_X86_64 -static void gen_expr64(ExprValue *pe) -{ - gen_addr64(pe->sym ? VT_SYM : 0, pe->sym, pe->v); -} -#endif - -/* XXX: unify with C code output ? */ -static void gen_disp32(ExprValue *pe) -{ - Sym *sym = pe->sym; - if (sym && sym->r == cur_text_section->sh_num) { - /* same section: we can output an absolute value. Note - that the TCC compiler behaves differently here because - it always outputs a relocation to ease (future) code - elimination in the linker */ - gen_le32(pe->v + sym->jnext - ind - 4); - } else { - if (sym && sym->type.t == VT_VOID) { - sym->type.t = VT_FUNC; - sym->type.ref = NULL; - } - gen_addrpc32(VT_SYM, sym, pe->v); - } -} - -#ifdef I386_ASM_16 -static void gen_expr16(ExprValue *pe) -{ - if (pe->sym) - greloc(cur_text_section, pe->sym, ind, R_386_16); - gen_le16(pe->v); -} -static void gen_disp16(ExprValue *pe) -{ - Sym *sym; - sym = pe->sym; - if (sym) { - if (sym->r == cur_text_section->sh_num) { - /* same section: we can output an absolute value. Note - that the TCC compiler behaves differently here because - it always outputs a relocation to ease (future) code - elimination in the linker */ - gen_le16(pe->v + sym->jnext - ind - 2); - } else { - greloc(cur_text_section, sym, ind, R_386_PC16); - gen_le16(pe->v - 2); - } - } else { - /* put an empty PC32 relocation */ - put_elf_reloc(symtab_section, cur_text_section, - ind, R_386_PC16, 0); - gen_le16(pe->v - 2); - } -} -#endif - -/* generate the modrm operand */ -static inline void asm_modrm(int reg, Operand *op) -{ - int mod, reg1, reg2, sib_reg1; - - if (op->type & (OP_REG | OP_MMX | OP_SSE)) { - g(0xc0 + (reg << 3) + op->reg); - } else if (op->reg == -1 && op->reg2 == -1) { - /* displacement only */ -#ifdef I386_ASM_16 - if (tcc_state->seg_size == 16) { - g(0x06 + (reg << 3)); - gen_expr16(&op->e); - } else if (tcc_state->seg_size == 32) -#endif - { - g(0x05 + (reg << 3)); - gen_expr32(&op->e); - } - } else { - sib_reg1 = op->reg; - /* fist compute displacement encoding */ - if (sib_reg1 == -1) { - sib_reg1 = 5; - mod = 0x00; - } else if (op->e.v == 0 && !op->e.sym && op->reg != 5) { - mod = 0x00; - } else if (op->e.v == (int8_t)op->e.v && !op->e.sym) { - mod = 0x40; - } else { - mod = 0x80; - } - /* compute if sib byte needed */ - reg1 = op->reg; - if (op->reg2 != -1) - reg1 = 4; -#ifdef I386_ASM_16 - if (tcc_state->seg_size == 32) { -#endif - g(mod + (reg << 3) + reg1); - if (reg1 == 4) { - /* add sib byte */ - reg2 = op->reg2; - if (reg2 == -1) - reg2 = 4; /* indicate no index */ - g((op->shift << 6) + (reg2 << 3) + sib_reg1); - } -#ifdef I386_ASM_16 - } else if (tcc_state->seg_size == 16) { - /* edi = 7, esi = 6 --> di = 5, si = 4 */ - if ((reg1 == 6) || (reg1 == 7)) { - reg1 -= 2; - /* ebx = 3 --> bx = 7 */ - } else if (reg1 == 3) { - reg1 = 7; - /* o32 = 5 --> o16 = 6 */ - } else if (reg1 == 5) { - reg1 = 6; - /* sib not valid in 16-bit mode */ - } else if (reg1 == 4) { - reg2 = op->reg2; - /* bp + si + offset */ - if ((sib_reg1 == 5) && (reg2 == 6)) { - reg1 = 2; - /* bp + di + offset */ - } else if ((sib_reg1 == 5) && (reg2 == 7)) { - reg1 = 3; - /* bx + si + offset */ - } else if ((sib_reg1 == 3) && (reg2 == 6)) { - reg1 = 0; - /* bx + di + offset */ - } else if ((sib_reg1 == 3) && (reg2 == 7)) { - reg1 = 1; - } else { - tcc_error("invalid effective address"); - } - if (op->e.v == 0) - mod = 0; - } else { - tcc_error("invalid register"); - } - g(mod + (reg << 3) + reg1); - } -#endif - /* add offset */ - if (mod == 0x40) { - g(op->e.v); - } else if (mod == 0x80 || op->reg == -1) { -#ifdef I386_ASM_16 - if (tcc_state->seg_size == 16) - gen_expr16(&op->e); - else if (tcc_state->seg_size == 32) -#endif - gen_expr32(&op->e); - } - } -} - -ST_FUNC void asm_opcode(TCCState *s1, int opcode) -{ - const ASMInstr *pa; - int i, modrm_index, reg, v, op1, is_short_jmp, seg_prefix; - int nb_ops, s; - Operand ops[MAX_OPERANDS], *pop; - int op_type[3]; /* decoded op type */ -#ifdef I386_ASM_16 - static int a32 = 0, o32 = 0, addr32 = 0, data32 = 0; -#endif - - /* force synthetic ';' after prefix instruction, so we can handle */ - /* one-line things like "rep stosb" instead of only "rep\nstosb" */ - if (opcode >= TOK_ASM_wait && opcode <= TOK_ASM_repnz) - unget_tok(';'); - - /* get operands */ - pop = ops; - nb_ops = 0; - seg_prefix = 0; - for(;;) { - if (tok == ';' || tok == TOK_LINEFEED) - break; - if (nb_ops >= MAX_OPERANDS) { - tcc_error("incorrect number of operands"); - } - parse_operand(s1, pop); - if (tok == ':') { - if (pop->type != OP_SEG || seg_prefix) - tcc_error("incorrect prefix"); - seg_prefix = segment_prefixes[pop->reg]; - next(); - parse_operand(s1, pop); -#ifndef I386_ASM_16 - if (!(pop->type & OP_EA)) { - tcc_error("segment prefix must be followed by memory reference"); - } -#endif - } - pop++; - nb_ops++; - if (tok != ',') - break; - next(); - } - - is_short_jmp = 0; - s = 0; /* avoid warning */ - - /* optimize matching by using a lookup table (no hashing is needed - !) */ - for(pa = asm_instrs; pa->sym != 0; pa++) { - s = 0; - if (pa->instr_type & OPC_FARITH) { - v = opcode - pa->sym; - if (!((unsigned)v < 8 * 6 && (v % 6) == 0)) - continue; - } else if (pa->instr_type & OPC_ARITH) { - if (!(opcode >= pa->sym && opcode < pa->sym + 8*NBWLX)) - continue; - s = (opcode - pa->sym) % NBWLX; - } else if (pa->instr_type & OPC_SHIFT) { - if (!(opcode >= pa->sym && opcode < pa->sym + 7*NBWLX)) - continue; - s = (opcode - pa->sym) % NBWLX; - } else if (pa->instr_type & OPC_TEST) { - if (!(opcode >= pa->sym && opcode < pa->sym + NB_TEST_OPCODES)) - continue; - } else if (pa->instr_type & OPC_B) { - if (!(opcode >= pa->sym && opcode < pa->sym + NBWLX)) - continue; - s = opcode - pa->sym; - } else if (pa->instr_type & OPC_WLX) { - if (!(opcode >= pa->sym && opcode < pa->sym + NBWLX-1)) - continue; - s = opcode - pa->sym + 1; - } else { - if (pa->sym != opcode) - continue; - } - if (pa->nb_ops != nb_ops) - continue; - /* now decode and check each operand */ - for(i = 0; i < nb_ops; i++) { - int op1, op2; - op1 = pa->op_type[i]; - op2 = op1 & 0x1f; - switch(op2) { - case OPT_IM: - v = OP_IM8 | OP_IM16 | OP_IM32 | OP_IM64; - break; - case OPT_REG: - v = OP_REG8 | OP_REG16 | OP_REG32 | OP_REG64; - break; - case OPT_REGW: - v = OP_REG16 | OP_REG32 | OP_REG64; - break; - case OPT_IMW: - v = OP_IM16 | OP_IM32 | OP_IM64; - break; -#ifdef TCC_TARGET_X86_64 - case OPT_IMNO64: - v = OP_IM16 | OP_IM32; - break; -#endif - default: - v = 1 << op2; - break; - } - if (op1 & OPT_EA) - v |= OP_EA; - op_type[i] = v; - if ((ops[i].type & v) == 0) - goto next; - } - /* all is matching ! */ - break; - next: ; - } - if (pa->sym == 0) { - if (opcode >= TOK_ASM_first && opcode <= TOK_ASM_last) { - int b; - b = op0_codes[opcode - TOK_ASM_first]; -#ifdef I386_ASM_16 - if (opcode == TOK_ASM_o32) { - if (s1->seg_size == 32) - tcc_error("incorrect prefix"); - else - o32 = data32 = 1; - } else if (opcode == TOK_ASM_a32) { - if (s1->seg_size == 32) - tcc_error("incorrect prefix"); - else - a32 = addr32 = 1; - } -#endif - if (b & 0xff00) - g(b >> 8); - g(b); - return; - } else if (opcode <= TOK_ASM_alllast) { - tcc_error("bad operand with opcode '%s'", - get_tok_str(opcode, NULL)); - } else { - tcc_error("unknown opcode '%s'", - get_tok_str(opcode, NULL)); - } - } - /* if the size is unknown, then evaluate it (OPC_B or OPC_WL case) */ - if (s == NBWLX-1) { - for(i = 0; s == NBWLX-1 && i < nb_ops; i++) { - if ((ops[i].type & OP_REG) && !(op_type[i] & (OP_CL | OP_DX))) - s = reg_to_size[ops[i].type & OP_REG]; - } - if (s == NBWLX-1) { - if ((opcode == TOK_ASM_push || opcode == TOK_ASM_pop) && - (ops[0].type & (OP_SEG | OP_IM8S | OP_IM32 | OP_IM64))) - s = 2; - else - tcc_error("cannot infer opcode suffix"); - } - } - -#ifdef I386_ASM_16 - for(i = 0; i < nb_ops; i++) { - if (ops[i].type & OP_REG32) { - if (s1->seg_size == 16) - o32 = 1; - } else if (!(ops[i].type & OP_REG32)) { - if (s1->seg_size == 32) - o32 = 1; - } - } - - - if (s == 1 || (pa->instr_type & OPC_D16)) { - if (s1->seg_size == 32) - o32 = 1; - } else if (s == 2) { - if (s1->seg_size == 16) { - if (!(pa->instr_type & OPC_D16)) - o32 = 1; - } - } - - /* generate a16/a32 prefix if needed */ - if ((a32 == 1) && (addr32 == 0)) - g(0x67); - /* generate o16/o32 prefix if needed */ - if ((o32 == 1) && (data32 == 0)) - g(0x66); - - addr32 = data32 = 0; -#else - /* generate data16 prefix if needed */ - if (s == 1 || (pa->instr_type & OPC_D16)) - g(0x66); -#ifdef TCC_TARGET_X86_64 - else if (s == 3) { - /* generate REX prefix */ - if ((opcode != TOK_ASM_push && opcode != TOK_ASM_pop) - || !(ops[0].type & OP_REG64)) - g(0x48); - } -#endif -#endif - - /* now generates the operation */ - if (pa->instr_type & OPC_FWAIT) - g(0x9b); - if (seg_prefix) - g(seg_prefix); - - v = pa->opcode; - if ((v == 0x69 || v == 0x6b) && nb_ops == 2) { - /* kludge for imul $im, %reg */ - nb_ops = 3; - ops[2] = ops[1]; - op_type[2] = op_type[1]; - } else if (v == 0xcd && ops[0].e.v == 3 && !ops[0].e.sym) { - v--; /* int $3 case */ - nb_ops = 0; - } else if ((v == 0x06 || v == 0x07)) { - if (ops[0].reg >= 4) { - /* push/pop %fs or %gs */ - v = 0x0fa0 + (v - 0x06) + ((ops[0].reg - 4) << 3); - } else { - v += ops[0].reg << 3; - } - nb_ops = 0; - } else if (v <= 0x05) { - /* arith case */ - v += ((opcode - TOK_ASM_addb) / NBWLX) << 3; - } else if ((pa->instr_type & (OPC_FARITH | OPC_MODRM)) == OPC_FARITH) { - /* fpu arith case */ - v += ((opcode - pa->sym) / 6) << 3; - } - if (pa->instr_type & OPC_REG) { - for(i = 0; i < nb_ops; i++) { - if (op_type[i] & (OP_REG | OP_ST)) { - v += ops[i].reg; - break; - } - } - /* mov $im, %reg case */ - if (pa->opcode == 0xb0 && s >= 1) - v += 7; - } - if (pa->instr_type & OPC_B) - v += s >= 1; - if (pa->instr_type & OPC_TEST) - v += test_bits[opcode - pa->sym]; - if (pa->instr_type & OPC_SHORTJMP) { - Sym *sym; - int jmp_disp; - - /* see if we can really generate the jump with a byte offset */ - sym = ops[0].e.sym; - if (!sym) - goto no_short_jump; - if (sym->r != cur_text_section->sh_num) - goto no_short_jump; - jmp_disp = ops[0].e.v + sym->jnext - ind - 2; - if (jmp_disp == (int8_t)jmp_disp) { - /* OK to generate jump */ - is_short_jmp = 1; - ops[0].e.v = jmp_disp; - } else { - no_short_jump: - if (pa->instr_type & OPC_JMP) { - /* long jump will be allowed. need to modify the - opcode slightly */ - if (v == 0xeb) - v = 0xe9; - else - v += 0x0f10; - } else { - tcc_error("invalid displacement"); - } - } - } - op1 = v >> 8; - if (op1) - g(op1); - g(v); - - /* search which operand will used for modrm */ - modrm_index = 0; - if (pa->instr_type & OPC_SHIFT) { - reg = (opcode - pa->sym) / NBWLX; - if (reg == 6) - reg = 7; - } else if (pa->instr_type & OPC_ARITH) { - reg = (opcode - pa->sym) / NBWLX; - } else if (pa->instr_type & OPC_FARITH) { - reg = (opcode - pa->sym) / 6; - } else { - reg = (pa->instr_type >> OPC_GROUP_SHIFT) & 7; - } - if (pa->instr_type & OPC_MODRM) { - /* first look for an ea operand */ - for(i = 0;i < nb_ops; i++) { - if (op_type[i] & OP_EA) - goto modrm_found; - } - /* then if not found, a register or indirection (shift instructions) */ - for(i = 0;i < nb_ops; i++) { - if (op_type[i] & (OP_REG | OP_MMX | OP_SSE | OP_INDIR)) - goto modrm_found; - } -#ifdef ASM_DEBUG - tcc_error("bad op table"); -#endif - modrm_found: - modrm_index = i; - /* if a register is used in another operand then it is - used instead of group */ - for(i = 0;i < nb_ops; i++) { - v = op_type[i]; - if (i != modrm_index && - (v & (OP_REG | OP_MMX | OP_SSE | OP_CR | OP_TR | OP_DB | OP_SEG))) { - reg = ops[i].reg; - break; - } - } - - asm_modrm(reg, &ops[modrm_index]); - } - - /* emit constants */ -#ifndef TCC_TARGET_X86_64 - if (pa->opcode == 0x9a || pa->opcode == 0xea) { - /* ljmp or lcall kludge */ -#ifdef I386_ASM_16 - if (s1->seg_size == 16 && o32 == 0) - gen_expr16(&ops[1].e); - else -#endif - gen_expr32(&ops[1].e); - if (ops[0].e.sym) - tcc_error("cannot relocate"); - gen_le16(ops[0].e.v); - return; - } -#endif - for(i = 0;i < nb_ops; i++) { - v = op_type[i]; - if (v & (OP_IM8 | OP_IM16 | OP_IM32 | OP_IM64 | OP_IM8S | OP_ADDR)) { - /* if multiple sizes are given it means we must look - at the op size */ - if ((v | OP_IM8 | OP_IM64) == (OP_IM8 | OP_IM16 | OP_IM32 | OP_IM64)) { - if (s == 0) - v = OP_IM8; - else if (s == 1) - v = OP_IM16; - else if (s == 2 || (v & OP_IM64) == 0) - v = OP_IM32; - else - v = OP_IM64; - } - if (v & (OP_IM8 | OP_IM8S)) { - if (ops[i].e.sym) - goto error_relocate; - g(ops[i].e.v); - } else if (v & OP_IM16) { -#ifdef I386_ASM_16 - if (s1->seg_size == 16) - gen_expr16(&ops[i].e); - else -#endif - if (ops[i].e.sym) - error_relocate: - tcc_error("cannot relocate"); - else - gen_le16(ops[i].e.v); - } else { - if (pa->instr_type & (OPC_JMP | OPC_SHORTJMP)) { - if (is_short_jmp) - g(ops[i].e.v); -#ifdef I386_ASM_16 - else if (s1->seg_size == 16) - gen_disp16(&ops[i].e); -#endif - else - gen_disp32(&ops[i].e); - } else { -#ifdef I386_ASM_16 - if (s1->seg_size == 16 && !((o32 == 1) && (v & OP_IM32))) - gen_expr16(&ops[i].e); - else -#endif -#ifdef TCC_TARGET_X86_64 - if (v & OP_IM64) - gen_expr64(&ops[i].e); - else -#endif - gen_expr32(&ops[i].e); - } - } -#ifdef I386_ASM_16 - } else if (v & (OP_REG16 | OP_REG32)) { - if (pa->instr_type & (OPC_JMP | OPC_SHORTJMP)) { - /* jmp $r */ - g(0xE0 + ops[i].reg); - } -#endif -#ifdef TCC_TARGET_X86_64 - } else if (v & (OP_REG32 | OP_REG64)) { - if (pa->instr_type & (OPC_JMP | OPC_SHORTJMP)) { - /* jmp $r */ - g(0xE0 + ops[i].reg); - } -#endif - } - } -#ifdef I386_ASM_16 - a32 = o32 = 0; -#endif -} - -/* return the constraint priority (we allocate first the lowest - numbered constraints) */ -static inline int constraint_priority(const char *str) -{ - int priority, c, pr; - - /* we take the lowest priority */ - priority = 0; - for(;;) { - c = *str; - if (c == '\0') - break; - str++; - switch(c) { - case 'A': - pr = 0; - break; - case 'a': - case 'b': - case 'c': - case 'd': - case 'S': - case 'D': - pr = 1; - break; - case 'q': - pr = 2; - break; - case 'r': - pr = 3; - break; - case 'N': - case 'M': - case 'I': - case 'i': - case 'm': - case 'g': - pr = 4; - break; - default: - tcc_error("unknown constraint '%c'", c); - pr = 0; - } - if (pr > priority) - priority = pr; - } - return priority; -} - -static const char *skip_constraint_modifiers(const char *p) -{ - while (*p == '=' || *p == '&' || *p == '+' || *p == '%') - p++; - return p; -} - -#define REG_OUT_MASK 0x01 -#define REG_IN_MASK 0x02 - -#define is_reg_allocated(reg) (regs_allocated[reg] & reg_mask) - -ST_FUNC void asm_compute_constraints(ASMOperand *operands, - int nb_operands, int nb_outputs, - const uint8_t *clobber_regs, - int *pout_reg) -{ - ASMOperand *op; - int sorted_op[MAX_ASM_OPERANDS]; - int i, j, k, p1, p2, tmp, reg, c, reg_mask; - const char *str; - uint8_t regs_allocated[NB_ASM_REGS]; - - /* init fields */ - for(i=0;iinput_index = -1; - op->ref_index = -1; - op->reg = -1; - op->is_memory = 0; - op->is_rw = 0; - } - /* compute constraint priority and evaluate references to output - constraints if input constraints */ - for(i=0;iconstraint; - str = skip_constraint_modifiers(str); - if (isnum(*str) || *str == '[') { - /* this is a reference to another constraint */ - k = find_constraint(operands, nb_operands, str, NULL); - if ((unsigned)k >= i || i < nb_outputs) - tcc_error("invalid reference in constraint %d ('%s')", - i, str); - op->ref_index = k; - if (operands[k].input_index >= 0) - tcc_error("cannot reference twice the same operand"); - operands[k].input_index = i; - op->priority = 5; - } else { - op->priority = constraint_priority(str); - } - } - - /* sort operands according to their priority */ - for(i=0;iconstraint; - /* no need to allocate references */ - if (op->ref_index >= 0) - continue; - /* select if register is used for output, input or both */ - if (op->input_index >= 0) { - reg_mask = REG_IN_MASK | REG_OUT_MASK; - } else if (j < nb_outputs) { - reg_mask = REG_OUT_MASK; - } else { - reg_mask = REG_IN_MASK; - } - try_next: - c = *str++; - switch(c) { - case '=': - goto try_next; - case '+': - op->is_rw = 1; - /* FALL THRU */ - case '&': - if (j >= nb_outputs) - tcc_error("'%c' modifier can only be applied to outputs", c); - reg_mask = REG_IN_MASK | REG_OUT_MASK; - goto try_next; - case 'A': - /* allocate both eax and edx */ - if (is_reg_allocated(TREG_XAX) || - is_reg_allocated(TREG_XDX)) - goto try_next; - op->is_llong = 1; - op->reg = TREG_XAX; - regs_allocated[TREG_XAX] |= reg_mask; - regs_allocated[TREG_XDX] |= reg_mask; - break; - case 'a': - reg = TREG_XAX; - goto alloc_reg; - case 'b': - reg = 3; - goto alloc_reg; - case 'c': - reg = TREG_XCX; - goto alloc_reg; - case 'd': - reg = TREG_XDX; - goto alloc_reg; - case 'S': - reg = 6; - goto alloc_reg; - case 'D': - reg = 7; - alloc_reg: - if (is_reg_allocated(reg)) - goto try_next; - goto reg_found; - case 'q': - /* eax, ebx, ecx or edx */ - for(reg = 0; reg < 4; reg++) { - if (!is_reg_allocated(reg)) - goto reg_found; - } - goto try_next; - case 'r': - /* any general register */ - for(reg = 0; reg < 8; reg++) { - if (!is_reg_allocated(reg)) - goto reg_found; - } - goto try_next; - reg_found: - /* now we can reload in the register */ - op->is_llong = 0; - op->reg = reg; - regs_allocated[reg] |= reg_mask; - break; - case 'i': - if (!((op->vt->r & (VT_VALMASK | VT_LVAL)) == VT_CONST)) - goto try_next; - break; - case 'I': - case 'N': - case 'M': - if (!((op->vt->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST)) - goto try_next; - break; - case 'm': - case 'g': - /* nothing special to do because the operand is already in - memory, except if the pointer itself is stored in a - memory variable (VT_LLOCAL case) */ - /* XXX: fix constant case */ - /* if it is a reference to a memory zone, it must lie - in a register, so we reserve the register in the - input registers and a load will be generated - later */ - if (j < nb_outputs || c == 'm') { - if ((op->vt->r & VT_VALMASK) == VT_LLOCAL) { - /* any general register */ - for(reg = 0; reg < 8; reg++) { - if (!(regs_allocated[reg] & REG_IN_MASK)) - goto reg_found1; - } - goto try_next; - reg_found1: - /* now we can reload in the register */ - regs_allocated[reg] |= REG_IN_MASK; - op->reg = reg; - op->is_memory = 1; - } - } - break; - default: - tcc_error("asm constraint %d ('%s') could not be satisfied", - j, op->constraint); - break; - } - /* if a reference is present for that operand, we assign it too */ - if (op->input_index >= 0) { - operands[op->input_index].reg = op->reg; - operands[op->input_index].is_llong = op->is_llong; - } - } - - /* compute out_reg. It is used to store outputs registers to memory - locations references by pointers (VT_LLOCAL case) */ - *pout_reg = -1; - for(i=0;ireg >= 0 && - (op->vt->r & VT_VALMASK) == VT_LLOCAL && - !op->is_memory) { - for(reg = 0; reg < 8; reg++) { - if (!(regs_allocated[reg] & REG_OUT_MASK)) - goto reg_found2; - } - tcc_error("could not find free output register for reloading"); - reg_found2: - *pout_reg = reg; - break; - } - } - - /* print sorted constraints */ -#ifdef ASM_DEBUG - for(i=0;iid ? get_tok_str(op->id, NULL) : "", - op->constraint, - op->vt->r, - op->reg); - } - if (*pout_reg >= 0) - printf("out_reg=%d\n", *pout_reg); -#endif -} - -ST_FUNC void subst_asm_operand(CString *add_str, - SValue *sv, int modifier) -{ - int r, reg, size, val; - char buf[64]; - - r = sv->r; - if ((r & VT_VALMASK) == VT_CONST) { - if (!(r & VT_LVAL) && modifier != 'c' && modifier != 'n') - cstr_ccat(add_str, '$'); - if (r & VT_SYM) { - cstr_cat(add_str, get_tok_str(sv->sym->v, NULL)); - if (sv->c.i != 0) { - cstr_ccat(add_str, '+'); - } else { - return; - } - } - val = sv->c.i; - if (modifier == 'n') - val = -val; - snprintf(buf, sizeof(buf), "%d", sv->c.i); - cstr_cat(add_str, buf); - } else if ((r & VT_VALMASK) == VT_LOCAL) { - snprintf(buf, sizeof(buf), "%d(%%ebp)", sv->c.i); - cstr_cat(add_str, buf); - } else if (r & VT_LVAL) { - reg = r & VT_VALMASK; - if (reg >= VT_CONST) - tcc_error("internal compiler error"); - snprintf(buf, sizeof(buf), "(%%%s)", - get_tok_str(TOK_ASM_eax + reg, NULL)); - cstr_cat(add_str, buf); - } else { - /* register case */ - reg = r & VT_VALMASK; - if (reg >= VT_CONST) - tcc_error("internal compiler error"); - - /* choose register operand size */ - if ((sv->type.t & VT_BTYPE) == VT_BYTE) - size = 1; - else if ((sv->type.t & VT_BTYPE) == VT_SHORT) - size = 2; -#ifdef TCC_TARGET_X86_64 - else if ((sv->type.t & VT_BTYPE) == VT_LLONG) - size = 8; -#endif - else - size = 4; - if (size == 1 && reg >= 4) - size = 4; - - if (modifier == 'b') { - if (reg >= 4) - tcc_error("cannot use byte register"); - size = 1; - } else if (modifier == 'h') { - if (reg >= 4) - tcc_error("cannot use byte register"); - size = -1; - } else if (modifier == 'w') { - size = 2; -#ifdef TCC_TARGET_X86_64 - } else if (modifier == 'q') { - size = 8; -#endif - } - - switch(size) { - case -1: - reg = TOK_ASM_ah + reg; - break; - case 1: - reg = TOK_ASM_al + reg; - break; - case 2: - reg = TOK_ASM_ax + reg; - break; - default: - reg = TOK_ASM_eax + reg; - break; -#ifdef TCC_TARGET_X86_64 - case 8: - reg = TOK_ASM_rax + reg; - break; -#endif - } - snprintf(buf, sizeof(buf), "%%%s", get_tok_str(reg, NULL)); - cstr_cat(add_str, buf); - } -} - -/* generate prolog and epilog code for asm statement */ -ST_FUNC void asm_gen_code(ASMOperand *operands, int nb_operands, - int nb_outputs, int is_output, - uint8_t *clobber_regs, - int out_reg) -{ - uint8_t regs_allocated[NB_ASM_REGS]; - ASMOperand *op; - int i, reg; - static uint8_t reg_saved[NB_SAVED_REGS] = { 3, 6, 7 }; - - /* mark all used registers */ - memcpy(regs_allocated, clobber_regs, sizeof(regs_allocated)); - for(i = 0; i < nb_operands;i++) { - op = &operands[i]; - if (op->reg >= 0) - regs_allocated[op->reg] = 1; - } - if (!is_output) { - /* generate reg save code */ - for(i = 0; i < NB_SAVED_REGS; i++) { - reg = reg_saved[i]; - if (regs_allocated[reg]) { -#ifdef I386_ASM_16 - if (tcc_state->seg_size == 16) - g(0x66); -#endif - g(0x50 + reg); - } - } - - /* generate load code */ - for(i = 0; i < nb_operands; i++) { - op = &operands[i]; - if (op->reg >= 0) { - if ((op->vt->r & VT_VALMASK) == VT_LLOCAL && - op->is_memory) { - /* memory reference case (for both input and - output cases) */ - SValue sv; - sv = *op->vt; - sv.r = (sv.r & ~VT_VALMASK) | VT_LOCAL; - load(op->reg, &sv); - } else if (i >= nb_outputs || op->is_rw) { - /* load value in register */ - load(op->reg, op->vt); - if (op->is_llong) { - SValue sv; - sv = *op->vt; - sv.c.ul += 4; - load(TREG_XDX, &sv); - } - } - } - } - } else { - /* generate save code */ - for(i = 0 ; i < nb_outputs; i++) { - op = &operands[i]; - if (op->reg >= 0) { - if ((op->vt->r & VT_VALMASK) == VT_LLOCAL) { - if (!op->is_memory) { - SValue sv; - sv = *op->vt; - sv.r = (sv.r & ~VT_VALMASK) | VT_LOCAL; - load(out_reg, &sv); - - sv.r = (sv.r & ~VT_VALMASK) | out_reg; - store(op->reg, &sv); - } - } else { - store(op->reg, op->vt); - if (op->is_llong) { - SValue sv; - sv = *op->vt; - sv.c.ul += 4; - store(TREG_XDX, &sv); - } - } - } - } - /* generate reg restore code */ - for(i = NB_SAVED_REGS - 1; i >= 0; i--) { - reg = reg_saved[i]; - if (regs_allocated[reg]) { -#ifdef I386_ASM_16 - if (tcc_state->seg_size == 16) - g(0x66); -#endif - g(0x58 + reg); - } - } - } -} - -ST_FUNC void asm_clobber(uint8_t *clobber_regs, const char *str) -{ - int reg; - TokenSym *ts; - - if (!strcmp(str, "memory") || - !strcmp(str, "cc")) - return; - ts = tok_alloc(str, strlen(str)); - reg = ts->tok; - if (reg >= TOK_ASM_eax && reg <= TOK_ASM_edi) { - reg -= TOK_ASM_eax; - } else if (reg >= TOK_ASM_ax && reg <= TOK_ASM_di) { - reg -= TOK_ASM_ax; -#ifdef TCC_TARGET_X86_64 - } else if (reg >= TOK_ASM_rax && reg <= TOK_ASM_rdi) { - reg -= TOK_ASM_rax; -#endif - } else { - tcc_error("invalid clobber register '%s'", str); - } - clobber_regs[reg] = 1; -} diff --git a/src/x86/i386-asm.h b/src/x86/i386-asm.h deleted file mode 100644 index 2e82e0d..0000000 --- a/src/x86/i386-asm.h +++ /dev/null @@ -1,474 +0,0 @@ - DEF_ASM_OP0(clc, 0xf8) /* must be first OP0 */ - DEF_ASM_OP0(cld, 0xfc) - DEF_ASM_OP0(cli, 0xfa) - DEF_ASM_OP0(clts, 0x0f06) - DEF_ASM_OP0(cmc, 0xf5) - DEF_ASM_OP0(lahf, 0x9f) - DEF_ASM_OP0(sahf, 0x9e) - DEF_ASM_OP0(pusha, 0x60) - DEF_ASM_OP0(popa, 0x61) - DEF_ASM_OP0(pushfl, 0x9c) - DEF_ASM_OP0(popfl, 0x9d) - DEF_ASM_OP0(pushf, 0x9c) - DEF_ASM_OP0(popf, 0x9d) - DEF_ASM_OP0(stc, 0xf9) - DEF_ASM_OP0(std, 0xfd) - DEF_ASM_OP0(sti, 0xfb) - DEF_ASM_OP0(aaa, 0x37) - DEF_ASM_OP0(aas, 0x3f) - DEF_ASM_OP0(daa, 0x27) - DEF_ASM_OP0(das, 0x2f) - DEF_ASM_OP0(aad, 0xd50a) - DEF_ASM_OP0(aam, 0xd40a) - DEF_ASM_OP0(cbw, 0x6698) - DEF_ASM_OP0(cwd, 0x6699) - DEF_ASM_OP0(cwde, 0x98) - DEF_ASM_OP0(cdq, 0x99) - DEF_ASM_OP0(cbtw, 0x6698) - DEF_ASM_OP0(cwtl, 0x98) - DEF_ASM_OP0(cwtd, 0x6699) - DEF_ASM_OP0(cltd, 0x99) - DEF_ASM_OP0(int3, 0xcc) - DEF_ASM_OP0(into, 0xce) - DEF_ASM_OP0(iret, 0xcf) - DEF_ASM_OP0(rsm, 0x0faa) - DEF_ASM_OP0(hlt, 0xf4) - DEF_ASM_OP0(nop, 0x90) - DEF_ASM_OP0(pause, 0xf390) - DEF_ASM_OP0(xlat, 0xd7) - - /* strings */ -ALT(DEF_ASM_OP0L(cmpsb, 0xa6, 0, OPC_BWL)) -ALT(DEF_ASM_OP0L(scmpb, 0xa6, 0, OPC_BWL)) - -ALT(DEF_ASM_OP0L(insb, 0x6c, 0, OPC_BWL)) -ALT(DEF_ASM_OP0L(outsb, 0x6e, 0, OPC_BWL)) - -ALT(DEF_ASM_OP0L(lodsb, 0xac, 0, OPC_BWL)) -ALT(DEF_ASM_OP0L(slodb, 0xac, 0, OPC_BWL)) - -ALT(DEF_ASM_OP0L(movsb, 0xa4, 0, OPC_BWL)) -ALT(DEF_ASM_OP0L(smovb, 0xa4, 0, OPC_BWL)) - -ALT(DEF_ASM_OP0L(scasb, 0xae, 0, OPC_BWL)) -ALT(DEF_ASM_OP0L(sscab, 0xae, 0, OPC_BWL)) - -ALT(DEF_ASM_OP0L(stosb, 0xaa, 0, OPC_BWL)) -ALT(DEF_ASM_OP0L(sstob, 0xaa, 0, OPC_BWL)) - - /* bits */ - -ALT(DEF_ASM_OP2(bsfw, 0x0fbc, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) -ALT(DEF_ASM_OP2(bsrw, 0x0fbd, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) - -ALT(DEF_ASM_OP2(btw, 0x0fa3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) -ALT(DEF_ASM_OP2(btw, 0x0fba, 4, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) - -ALT(DEF_ASM_OP2(btsw, 0x0fab, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) -ALT(DEF_ASM_OP2(btsw, 0x0fba, 5, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) - -ALT(DEF_ASM_OP2(btrw, 0x0fb3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) -ALT(DEF_ASM_OP2(btrw, 0x0fba, 6, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) - -ALT(DEF_ASM_OP2(btcw, 0x0fbb, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) -ALT(DEF_ASM_OP2(btcw, 0x0fba, 7, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) - - /* prefixes */ - DEF_ASM_OP0(wait, 0x9b) - DEF_ASM_OP0(fwait, 0x9b) -#ifdef I386_ASM_16 - DEF_ASM_OP0(a32, 0x67) - DEF_ASM_OP0(o32, 0x66) -#else - DEF_ASM_OP0(aword, 0x67) - DEF_ASM_OP0(addr16, 0x67) - ALT(DEF_ASM_OP0(word, 0x66)) - DEF_ASM_OP0(data16, 0x66) -#endif - DEF_ASM_OP0(lock, 0xf0) - DEF_ASM_OP0(rep, 0xf3) - DEF_ASM_OP0(repe, 0xf3) - DEF_ASM_OP0(repz, 0xf3) - DEF_ASM_OP0(repne, 0xf2) - DEF_ASM_OP0(repnz, 0xf2) - - DEF_ASM_OP0(invd, 0x0f08) - DEF_ASM_OP0(wbinvd, 0x0f09) - DEF_ASM_OP0(cpuid, 0x0fa2) - DEF_ASM_OP0(wrmsr, 0x0f30) - DEF_ASM_OP0(rdtsc, 0x0f31) - DEF_ASM_OP0(rdmsr, 0x0f32) - DEF_ASM_OP0(rdpmc, 0x0f33) - DEF_ASM_OP0(ud2, 0x0f0b) - - /* NOTE: we took the same order as gas opcode definition order */ -ALT(DEF_ASM_OP2(movb, 0xa0, 0, OPC_BWL, OPT_ADDR, OPT_EAX)) -ALT(DEF_ASM_OP2(movb, 0xa2, 0, OPC_BWL, OPT_EAX, OPT_ADDR)) -ALT(DEF_ASM_OP2(movb, 0x88, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) -ALT(DEF_ASM_OP2(movb, 0x8a, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) -ALT(DEF_ASM_OP2(movb, 0xb0, 0, OPC_REG | OPC_BWL, OPT_IM, OPT_REG)) -ALT(DEF_ASM_OP2(movb, 0xc6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_REG | OPT_EA)) - -ALT(DEF_ASM_OP2(movw, 0x8c, 0, OPC_MODRM | OPC_WL, OPT_SEG, OPT_EA | OPT_REG)) -ALT(DEF_ASM_OP2(movw, 0x8e, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_SEG)) - -ALT(DEF_ASM_OP2(movw, 0x0f20, 0, OPC_MODRM | OPC_WL, OPT_CR, OPT_REG32)) -ALT(DEF_ASM_OP2(movw, 0x0f21, 0, OPC_MODRM | OPC_WL, OPT_DB, OPT_REG32)) -ALT(DEF_ASM_OP2(movw, 0x0f24, 0, OPC_MODRM | OPC_WL, OPT_TR, OPT_REG32)) -ALT(DEF_ASM_OP2(movw, 0x0f22, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_CR)) -ALT(DEF_ASM_OP2(movw, 0x0f23, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_DB)) -ALT(DEF_ASM_OP2(movw, 0x0f26, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_TR)) - -ALT(DEF_ASM_OP2(movsbl, 0x0fbe, 0, OPC_MODRM, OPT_REG8 | OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(movsbw, 0x0fbe, 0, OPC_MODRM | OPC_D16, OPT_REG8 | OPT_EA, OPT_REG16)) -ALT(DEF_ASM_OP2(movswl, 0x0fbf, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(movzbw, 0x0fb6, 0, OPC_MODRM | OPC_WL, OPT_REG8 | OPT_EA, OPT_REGW)) -ALT(DEF_ASM_OP2(movzwl, 0x0fb7, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) - -ALT(DEF_ASM_OP1(pushw, 0x50, 0, OPC_REG | OPC_WL, OPT_REGW)) -ALT(DEF_ASM_OP1(pushw, 0xff, 6, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) -ALT(DEF_ASM_OP1(pushw, 0x6a, 0, OPC_WL, OPT_IM8S)) -ALT(DEF_ASM_OP1(pushw, 0x68, 0, OPC_WL, OPT_IM32)) -ALT(DEF_ASM_OP1(pushw, 0x06, 0, OPC_WL, OPT_SEG)) - -ALT(DEF_ASM_OP1(popw, 0x58, 0, OPC_REG | OPC_WL, OPT_REGW)) -ALT(DEF_ASM_OP1(popw, 0x8f, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) -ALT(DEF_ASM_OP1(popw, 0x07, 0, OPC_WL, OPT_SEG)) - -ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_REG, OPT_EAX)) -ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_EAX, OPT_REG)) -ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) -ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) - -ALT(DEF_ASM_OP2(inb, 0xe4, 0, OPC_BWL, OPT_IM8, OPT_EAX)) -ALT(DEF_ASM_OP1(inb, 0xe4, 0, OPC_BWL, OPT_IM8)) -ALT(DEF_ASM_OP2(inb, 0xec, 0, OPC_BWL, OPT_DX, OPT_EAX)) -ALT(DEF_ASM_OP1(inb, 0xec, 0, OPC_BWL, OPT_DX)) - -ALT(DEF_ASM_OP2(outb, 0xe6, 0, OPC_BWL, OPT_EAX, OPT_IM8)) -ALT(DEF_ASM_OP1(outb, 0xe6, 0, OPC_BWL, OPT_IM8)) -ALT(DEF_ASM_OP2(outb, 0xee, 0, OPC_BWL, OPT_EAX, OPT_DX)) -ALT(DEF_ASM_OP1(outb, 0xee, 0, OPC_BWL, OPT_DX)) - -ALT(DEF_ASM_OP2(leaw, 0x8d, 0, OPC_MODRM | OPC_WL, OPT_EA, OPT_REG)) - -ALT(DEF_ASM_OP2(les, 0xc4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(lds, 0xc5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(lss, 0x0fb2, 0, OPC_MODRM, OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(lfs, 0x0fb4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(lgs, 0x0fb5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) - - /* arith */ -ALT(DEF_ASM_OP2(addb, 0x00, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) /* XXX: use D bit ? */ -ALT(DEF_ASM_OP2(addb, 0x02, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) -ALT(DEF_ASM_OP2(addb, 0x04, 0, OPC_ARITH | OPC_BWL, OPT_IM, OPT_EAX)) -ALT(DEF_ASM_OP2(addb, 0x80, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) -ALT(DEF_ASM_OP2(addw, 0x83, 0, OPC_ARITH | OPC_MODRM | OPC_WL, OPT_IM8S, OPT_EA | OPT_REG)) - -ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) -ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) -ALT(DEF_ASM_OP2(testb, 0xa8, 0, OPC_BWL, OPT_IM, OPT_EAX)) -ALT(DEF_ASM_OP2(testb, 0xf6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) - -ALT(DEF_ASM_OP1(incw, 0x40, 0, OPC_REG | OPC_WL, OPT_REGW)) -ALT(DEF_ASM_OP1(incb, 0xfe, 0, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) -ALT(DEF_ASM_OP1(decw, 0x48, 0, OPC_REG | OPC_WL, OPT_REGW)) -ALT(DEF_ASM_OP1(decb, 0xfe, 1, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) - -ALT(DEF_ASM_OP1(notb, 0xf6, 2, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) -ALT(DEF_ASM_OP1(negb, 0xf6, 3, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) - -ALT(DEF_ASM_OP1(mulb, 0xf6, 4, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) -ALT(DEF_ASM_OP1(imulb, 0xf6, 5, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) - -ALT(DEF_ASM_OP2(imulw, 0x0faf, 0, OPC_MODRM | OPC_WL, OPT_REG | OPT_EA, OPT_REG)) -ALT(DEF_ASM_OP3(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW | OPT_EA, OPT_REGW)) -ALT(DEF_ASM_OP2(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW)) -ALT(DEF_ASM_OP3(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW | OPT_EA, OPT_REGW)) -ALT(DEF_ASM_OP2(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW)) - -ALT(DEF_ASM_OP1(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) -ALT(DEF_ASM_OP2(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) -ALT(DEF_ASM_OP1(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) -ALT(DEF_ASM_OP2(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) - - /* shifts */ -ALT(DEF_ASM_OP2(rolb, 0xc0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_IM8, OPT_EA | OPT_REG)) -ALT(DEF_ASM_OP2(rolb, 0xd2, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_CL, OPT_EA | OPT_REG)) -ALT(DEF_ASM_OP1(rolb, 0xd0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_EA | OPT_REG)) - -ALT(DEF_ASM_OP3(shldw, 0x0fa4, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) -ALT(DEF_ASM_OP3(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) -ALT(DEF_ASM_OP2(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) -ALT(DEF_ASM_OP3(shrdw, 0x0fac, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) -ALT(DEF_ASM_OP3(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) -ALT(DEF_ASM_OP2(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) - -ALT(DEF_ASM_OP1(call, 0xff, 2, OPC_MODRM, OPT_INDIR)) -ALT(DEF_ASM_OP1(call, 0xe8, 0, OPC_JMP, OPT_ADDR)) -ALT(DEF_ASM_OP1(jmp, 0xff, 4, OPC_MODRM, OPT_INDIR)) -ALT(DEF_ASM_OP1(jmp, 0xeb, 0, OPC_SHORTJMP | OPC_JMP, OPT_ADDR)) -#ifdef I386_ASM_16 -ALT(DEF_ASM_OP1(jmp, 0xff, 0, OPC_JMP | OPC_WL, OPT_REGW)) -#endif - -ALT(DEF_ASM_OP2(lcall, 0x9a, 0, 0, OPT_IM16, OPT_IM32)) -ALT(DEF_ASM_OP1(lcall, 0xff, 3, 0, OPT_EA)) -ALT(DEF_ASM_OP2(ljmp, 0xea, 0, 0, OPT_IM16, OPT_IM32)) -ALT(DEF_ASM_OP1(ljmp, 0xff, 5, 0, OPT_EA)) - -ALT(DEF_ASM_OP1(int, 0xcd, 0, 0, OPT_IM8)) -ALT(DEF_ASM_OP1(seto, 0x0f90, 0, OPC_MODRM | OPC_TEST, OPT_REG8 | OPT_EA)) -ALT(DEF_ASM_OP1(setob, 0x0f90, 0, OPC_MODRM | OPC_TEST, OPT_REG8 | OPT_EA)) - DEF_ASM_OP2(enter, 0xc8, 0, 0, OPT_IM16, OPT_IM8) - DEF_ASM_OP0(leave, 0xc9) - DEF_ASM_OP0(ret, 0xc3) - DEF_ASM_OP0(retl,0xc3) -ALT(DEF_ASM_OP1(retl,0xc2, 0, 0, OPT_IM16)) -ALT(DEF_ASM_OP1(ret, 0xc2, 0, 0, OPT_IM16)) - DEF_ASM_OP0(lret, 0xcb) -ALT(DEF_ASM_OP1(lret, 0xca, 0, 0, OPT_IM16)) - -ALT(DEF_ASM_OP1(jo, 0x70, 0, OPC_SHORTJMP | OPC_JMP | OPC_TEST, OPT_ADDR)) - DEF_ASM_OP1(loopne, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) - DEF_ASM_OP1(loopnz, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) - DEF_ASM_OP1(loope, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) - DEF_ASM_OP1(loopz, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) - DEF_ASM_OP1(loop, 0xe2, 0, OPC_SHORTJMP, OPT_ADDR) - DEF_ASM_OP1(jecxz, 0xe3, 0, OPC_SHORTJMP, OPT_ADDR) - - /* float */ - /* specific fcomp handling */ -ALT(DEF_ASM_OP0L(fcomp, 0xd8d9, 0, 0)) - -ALT(DEF_ASM_OP1(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST)) -ALT(DEF_ASM_OP2(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) -ALT(DEF_ASM_OP2(fadd, 0xdcc0, 0, OPC_FARITH | OPC_REG, OPT_ST0, OPT_ST)) -ALT(DEF_ASM_OP2(fmul, 0xdcc8, 0, OPC_FARITH | OPC_REG, OPT_ST0, OPT_ST)) -ALT(DEF_ASM_OP0L(fadd, 0xdec1, 0, OPC_FARITH)) -ALT(DEF_ASM_OP1(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST)) -ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) -ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST0, OPT_ST)) -ALT(DEF_ASM_OP0L(faddp, 0xdec1, 0, OPC_FARITH)) -ALT(DEF_ASM_OP1(fadds, 0xd8, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) -ALT(DEF_ASM_OP1(fiaddl, 0xda, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) -ALT(DEF_ASM_OP1(faddl, 0xdc, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) -ALT(DEF_ASM_OP1(fiadds, 0xde, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) - - DEF_ASM_OP0(fucompp, 0xdae9) - DEF_ASM_OP0(ftst, 0xd9e4) - DEF_ASM_OP0(fxam, 0xd9e5) - DEF_ASM_OP0(fld1, 0xd9e8) - DEF_ASM_OP0(fldl2t, 0xd9e9) - DEF_ASM_OP0(fldl2e, 0xd9ea) - DEF_ASM_OP0(fldpi, 0xd9eb) - DEF_ASM_OP0(fldlg2, 0xd9ec) - DEF_ASM_OP0(fldln2, 0xd9ed) - DEF_ASM_OP0(fldz, 0xd9ee) - - DEF_ASM_OP0(f2xm1, 0xd9f0) - DEF_ASM_OP0(fyl2x, 0xd9f1) - DEF_ASM_OP0(fptan, 0xd9f2) - DEF_ASM_OP0(fpatan, 0xd9f3) - DEF_ASM_OP0(fxtract, 0xd9f4) - DEF_ASM_OP0(fprem1, 0xd9f5) - DEF_ASM_OP0(fdecstp, 0xd9f6) - DEF_ASM_OP0(fincstp, 0xd9f7) - DEF_ASM_OP0(fprem, 0xd9f8) - DEF_ASM_OP0(fyl2xp1, 0xd9f9) - DEF_ASM_OP0(fsqrt, 0xd9fa) - DEF_ASM_OP0(fsincos, 0xd9fb) - DEF_ASM_OP0(frndint, 0xd9fc) - DEF_ASM_OP0(fscale, 0xd9fd) - DEF_ASM_OP0(fsin, 0xd9fe) - DEF_ASM_OP0(fcos, 0xd9ff) - DEF_ASM_OP0(fchs, 0xd9e0) - DEF_ASM_OP0(fabs, 0xd9e1) - DEF_ASM_OP0(fninit, 0xdbe3) - DEF_ASM_OP0(fnclex, 0xdbe2) - DEF_ASM_OP0(fnop, 0xd9d0) - - /* fp load */ - DEF_ASM_OP1(fld, 0xd9c0, 0, OPC_REG, OPT_ST) - DEF_ASM_OP1(fldl, 0xd9c0, 0, OPC_REG, OPT_ST) - DEF_ASM_OP1(flds, 0xd9, 0, OPC_MODRM, OPT_EA) -ALT(DEF_ASM_OP1(fldl, 0xdd, 0, OPC_MODRM, OPT_EA)) - DEF_ASM_OP1(fildl, 0xdb, 0, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fildq, 0xdf, 5, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fildll, 0xdf, 5, OPC_MODRM,OPT_EA) - DEF_ASM_OP1(fldt, 0xdb, 5, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fbld, 0xdf, 4, OPC_MODRM, OPT_EA) - - /* fp store */ - DEF_ASM_OP1(fst, 0xddd0, 0, OPC_REG, OPT_ST) - DEF_ASM_OP1(fstl, 0xddd0, 0, OPC_REG, OPT_ST) - DEF_ASM_OP1(fsts, 0xd9, 2, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fstps, 0xd9, 3, OPC_MODRM, OPT_EA) -ALT(DEF_ASM_OP1(fstl, 0xdd, 2, OPC_MODRM, OPT_EA)) - DEF_ASM_OP1(fstpl, 0xdd, 3, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fist, 0xdf, 2, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fistp, 0xdf, 3, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fistl, 0xdb, 2, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fistpl, 0xdb, 3, OPC_MODRM, OPT_EA) - - DEF_ASM_OP1(fstp, 0xddd8, 0, OPC_REG, OPT_ST) - DEF_ASM_OP1(fistpq, 0xdf, 7, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fistpll, 0xdf, 7, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fstpt, 0xdb, 7, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fbstp, 0xdf, 6, OPC_MODRM, OPT_EA) - - /* exchange */ - DEF_ASM_OP0(fxch, 0xd9c9) -ALT(DEF_ASM_OP1(fxch, 0xd9c8, 0, OPC_REG, OPT_ST)) - - /* misc FPU */ - DEF_ASM_OP1(fucom, 0xdde0, 0, OPC_REG, OPT_ST ) - DEF_ASM_OP1(fucomp, 0xdde8, 0, OPC_REG, OPT_ST ) - - DEF_ASM_OP0L(finit, 0xdbe3, 0, OPC_FWAIT) - DEF_ASM_OP1(fldcw, 0xd9, 5, OPC_MODRM, OPT_EA ) - DEF_ASM_OP1(fnstcw, 0xd9, 7, OPC_MODRM, OPT_EA ) - DEF_ASM_OP1(fstcw, 0xd9, 7, OPC_MODRM | OPC_FWAIT, OPT_EA ) - DEF_ASM_OP0(fnstsw, 0xdfe0) -ALT(DEF_ASM_OP1(fnstsw, 0xdfe0, 0, 0, OPT_EAX )) -ALT(DEF_ASM_OP1(fnstsw, 0xdd, 7, OPC_MODRM, OPT_EA )) - DEF_ASM_OP1(fstsw, 0xdfe0, 0, OPC_FWAIT, OPT_EAX ) -ALT(DEF_ASM_OP0L(fstsw, 0xdfe0, 0, OPC_FWAIT)) -ALT(DEF_ASM_OP1(fstsw, 0xdd, 7, OPC_MODRM | OPC_FWAIT, OPT_EA )) - DEF_ASM_OP0L(fclex, 0xdbe2, 0, OPC_FWAIT) - DEF_ASM_OP1(fnstenv, 0xd9, 6, OPC_MODRM, OPT_EA ) - DEF_ASM_OP1(fstenv, 0xd9, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) - DEF_ASM_OP1(fldenv, 0xd9, 4, OPC_MODRM, OPT_EA ) - DEF_ASM_OP1(fnsave, 0xdd, 6, OPC_MODRM, OPT_EA ) - DEF_ASM_OP1(fsave, 0xdd, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) - DEF_ASM_OP1(frstor, 0xdd, 4, OPC_MODRM, OPT_EA ) - DEF_ASM_OP1(ffree, 0xddc0, 4, OPC_REG, OPT_ST ) - DEF_ASM_OP1(ffreep, 0xdfc0, 4, OPC_REG, OPT_ST ) - DEF_ASM_OP1(fxsave, 0x0fae, 0, OPC_MODRM, OPT_EA ) - DEF_ASM_OP1(fxrstor, 0x0fae, 1, OPC_MODRM, OPT_EA ) - - /* segments */ - DEF_ASM_OP2(arpl, 0x63, 0, OPC_MODRM, OPT_REG16, OPT_REG16 | OPT_EA) - DEF_ASM_OP2(lar, 0x0f02, 0, OPC_MODRM, OPT_REG32 | OPT_EA, OPT_REG32) - DEF_ASM_OP1(lgdt, 0x0f01, 2, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(lidt, 0x0f01, 3, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(lldt, 0x0f00, 2, OPC_MODRM, OPT_EA | OPT_REG) - DEF_ASM_OP1(lmsw, 0x0f01, 6, OPC_MODRM, OPT_EA | OPT_REG) -ALT(DEF_ASM_OP2(lslw, 0x0f03, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_REG)) - DEF_ASM_OP1(ltr, 0x0f00, 3, OPC_MODRM, OPT_EA | OPT_REG) - DEF_ASM_OP1(sgdt, 0x0f01, 0, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(sidt, 0x0f01, 1, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(sldt, 0x0f00, 0, OPC_MODRM, OPT_REG | OPT_EA) - DEF_ASM_OP1(smsw, 0x0f01, 4, OPC_MODRM, OPT_REG | OPT_EA) - DEF_ASM_OP1(str, 0x0f00, 1, OPC_MODRM, OPT_REG16| OPT_EA) - DEF_ASM_OP1(verr, 0x0f00, 4, OPC_MODRM, OPT_REG | OPT_EA) - DEF_ASM_OP1(verw, 0x0f00, 5, OPC_MODRM, OPT_REG | OPT_EA) - -#ifdef I386_ASM_16 - /* 386 */ - DEF_ASM_OP0(loadall386, 0x0f07) -#endif - - /* 486 */ - DEF_ASM_OP1(bswap, 0x0fc8, 0, OPC_REG, OPT_REG32 ) -ALT(DEF_ASM_OP2(xaddb, 0x0fc0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) -ALT(DEF_ASM_OP2(cmpxchgb, 0x0fb0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) - DEF_ASM_OP1(invlpg, 0x0f01, 7, OPC_MODRM, OPT_EA ) - - DEF_ASM_OP2(boundl, 0x62, 0, OPC_MODRM, OPT_REG32, OPT_EA) - DEF_ASM_OP2(boundw, 0x62, 0, OPC_MODRM | OPC_D16, OPT_REG16, OPT_EA) - - /* pentium */ - DEF_ASM_OP1(cmpxchg8b, 0x0fc7, 1, OPC_MODRM, OPT_EA ) - - /* pentium pro */ - ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) -#ifdef I386_ASM_16 -ALT(DEF_ASM_OP2(cmovno, 0x0f41, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(cmovc, 0x0f42, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(cmovnc, 0x0f43, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(cmovz, 0x0f44, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(cmovnz, 0x0f45, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(cmovna, 0x0f46, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(cmova, 0x0f47, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) -#endif - DEF_ASM_OP2(fcmovb, 0xdac0, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcmove, 0xdac8, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcmovbe, 0xdad0, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcmovu, 0xdad8, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcmovnb, 0xdbc0, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcmovne, 0xdbc8, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcmovnbe, 0xdbd0, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcmovnu, 0xdbd8, 0, OPC_REG, OPT_ST, OPT_ST0 ) - - DEF_ASM_OP2(fucomi, 0xdbe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcomi, 0xdbf0, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fucomip, 0xdfe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcomip, 0xdff0, 0, OPC_REG, OPT_ST, OPT_ST0 ) - - /* mmx */ - DEF_ASM_OP0(emms, 0x0f77) /* must be last OP0 */ - - DEF_ASM_OP2(movd, 0x0f6e, 0, OPC_MODRM, OPT_EA | OPT_REG32, OPT_MMX ) -ALT(DEF_ASM_OP2(movd, 0x0f7e, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_REG32 )) - DEF_ASM_OP2(movq, 0x0f6f, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) -ALT(DEF_ASM_OP2(movq, 0x0f7f, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_MMX )) - DEF_ASM_OP2(packssdw, 0x0f6b, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(packsswb, 0x0f63, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(packuswb, 0x0f67, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(paddb, 0x0ffc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(paddw, 0x0ffd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(paddd, 0x0ffe, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(paddsb, 0x0fec, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(paddsw, 0x0fed, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(paddusb, 0x0fdc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(paddusw, 0x0fdd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pand, 0x0fdb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pandn, 0x0fdf, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pcmpeqb, 0x0f74, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pcmpeqw, 0x0f75, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pcmpeqd, 0x0f76, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pcmpgtb, 0x0f64, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pcmpgtw, 0x0f65, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pcmpgtd, 0x0f66, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pmaddwd, 0x0ff5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pmulhw, 0x0fe5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pmullw, 0x0fd5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(por, 0x0feb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(psllw, 0x0ff1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) -ALT(DEF_ASM_OP2(psllw, 0x0f71, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) - DEF_ASM_OP2(pslld, 0x0ff2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) -ALT(DEF_ASM_OP2(pslld, 0x0f72, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) - DEF_ASM_OP2(psllq, 0x0ff3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) -ALT(DEF_ASM_OP2(psllq, 0x0f73, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) - DEF_ASM_OP2(psraw, 0x0fe1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) -ALT(DEF_ASM_OP2(psraw, 0x0f71, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) - DEF_ASM_OP2(psrad, 0x0fe2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) -ALT(DEF_ASM_OP2(psrad, 0x0f72, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) - DEF_ASM_OP2(psrlw, 0x0fd1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) -ALT(DEF_ASM_OP2(psrlw, 0x0f71, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) - DEF_ASM_OP2(psrld, 0x0fd2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) -ALT(DEF_ASM_OP2(psrld, 0x0f72, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) - DEF_ASM_OP2(psrlq, 0x0fd3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) -ALT(DEF_ASM_OP2(psrlq, 0x0f73, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) - DEF_ASM_OP2(psubb, 0x0ff8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(psubw, 0x0ff9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(psubd, 0x0ffa, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(psubsb, 0x0fe8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(psubsw, 0x0fe9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(psubusb, 0x0fd8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(psubusw, 0x0fd9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(punpckhbw, 0x0f68, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(punpckhwd, 0x0f69, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(punpckhdq, 0x0f6a, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(punpcklbw, 0x0f60, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(punpcklwd, 0x0f61, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(punpckldq, 0x0f62, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pxor, 0x0fef, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) /* must be last !OP0 */ - -#undef ALT -#undef DEF_ASM_OP0 -#undef DEF_ASM_OP0L -#undef DEF_ASM_OP1 -#undef DEF_ASM_OP2 -#undef DEF_ASM_OP3 diff --git a/src/x86/i386-gen.c b/src/x86/i386-gen.c deleted file mode 100644 index b8b12aa..0000000 --- a/src/x86/i386-gen.c +++ /dev/null @@ -1,1144 +0,0 @@ -/* - * X86 code generator for TCC - * - * Copyright (c) 2001-2004 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifdef TARGET_DEFS_ONLY - -/* number of available registers */ -#define NB_REGS 4 -#define NB_ASM_REGS 8 - -typedef int RegArgs; - -/* a register can belong to several classes. The classes must be - sorted from more general to more precise (see gv2() code which does - assumptions on it). */ -#define RC_INT 0x0001 /* generic integer register */ -#define RC_FLOAT 0x0002 /* generic float register */ -#define RC_EAX 0x0004 -#define RC_ST0 0x0008 -#define RC_ECX 0x0010 -#define RC_EDX 0x0020 -#define RC_IRET RC_EAX /* function return: integer register */ -#define RC_LRET RC_EDX /* function return: second integer register */ -#define RC_FRET RC_ST0 /* function return: float register */ - -/* pretty names for the registers */ -enum { - TREG_EAX = 0, - TREG_ECX, - TREG_EDX, - TREG_ST0, - TREG_ESP = 4 -}; - -/* return registers for function */ -#define REG_IRET TREG_EAX /* single word int return register */ -#define REG_LRET TREG_EDX /* second word return register (for long long) */ -#define REG_FRET TREG_ST0 /* float return register */ - -/* defined if function parameters must be evaluated in reverse order */ -#define INVERT_FUNC_PARAMS - -/* defined if structures are passed as pointers. Otherwise structures - are directly pushed on stack. */ -/* #define FUNC_STRUCT_PARAM_AS_PTR */ - -/* pointer size, in bytes */ -#define PTR_SIZE 4 - -/* long double size and alignment, in bytes */ -#define LDOUBLE_SIZE 12 -#define LDOUBLE_ALIGN 4 -/* maximum alignment (for aligned attribute support) */ -#define MAX_ALIGN 8 - - -#define psym oad - -/******************************************************/ -/* ELF defines */ - -#define EM_TCC_TARGET EM_386 - -/* relocation type for 32 bit data relocation */ -#define R_DATA_32 R_386_32 -#define R_DATA_PTR R_386_32 -#define R_JMP_SLOT R_386_JMP_SLOT -#define R_COPY R_386_COPY - -#define ELF_START_ADDR 0x08048000 -#define ELF_PAGE_SIZE 0x1000 - -/******************************************************/ -#else /* ! TARGET_DEFS_ONLY */ -/******************************************************/ -#include "../tcc.h" - -ST_DATA const int reg_classes[NB_REGS] = { - /* eax */ RC_INT | RC_EAX, - /* ecx */ RC_INT | RC_ECX, - /* edx */ RC_INT | RC_EDX, - /* st0 */ RC_FLOAT | RC_ST0, -}; - -static unsigned long func_sub_sp_offset; -static int func_ret_sub; -#ifdef CONFIG_TCC_BCHECK -static addr_t func_bound_offset; -#endif - -/* XXX: make it faster ? */ -ST_FUNC void g(int c) -{ - int ind1; - ind1 = ind + 1; - if (ind1 > cur_text_section->data_allocated) - section_realloc(cur_text_section, ind1); - cur_text_section->data[ind] = c; - ind = ind1; -} - -ST_FUNC void o(unsigned int c) -{ - while (c) { - g(c); - c = c >> 8; - } -} - -ST_FUNC void gen_le16(int v) -{ - g(v); - g(v >> 8); -} - -ST_FUNC void gen_le32(int c) -{ - g(c); - g(c >> 8); - g(c >> 16); - g(c >> 24); -} - -/* output a symbol and patch all calls to it */ -ST_FUNC void gsym_addr(int t, int a) -{ - int n, *ptr; - while (t) { - ptr = (int *)(cur_text_section->data + t); - n = *ptr; /* next value */ - *ptr = a - t - 4; - t = n; - } -} - -ST_FUNC void gsym(int t) -{ - gsym_addr(t, ind); -} - -/* psym is used to put an instruction with a data field which is a - reference to a symbol. It is in fact the same as oad ! */ -#define psym oad - -/* instruction + 4 bytes data. Return the address of the data */ -ST_FUNC int oad(int c, int s) -{ - int ind1; - - o(c); - ind1 = ind + 4; - if (ind1 > cur_text_section->data_allocated) - section_realloc(cur_text_section, ind1); - *(int *)(cur_text_section->data + ind) = s; - s = ind; - ind = ind1; - return s; -} - -/* output constant with relocation if 'r & VT_SYM' is true */ -ST_FUNC void gen_addr32(int r, Sym *sym, int c) -{ - if (r & VT_SYM) - greloc(cur_text_section, sym, ind, R_386_32); - gen_le32(c); -} - -ST_FUNC void gen_addrpc32(int r, Sym *sym, int c) -{ - if (r & VT_SYM) - greloc(cur_text_section, sym, ind, R_386_PC32); - gen_le32(c - 4); -} - -/* generate a modrm reference. 'op_reg' contains the addtionnal 3 - opcode bits */ -static void gen_modrm(int op_reg, int r, Sym *sym, int c) -{ - op_reg = op_reg << 3; - if ((r & VT_VALMASK) == VT_CONST) { - /* constant memory reference */ - o(0x05 | op_reg); - gen_addr32(r, sym, c); - } else if ((r & VT_VALMASK) == VT_LOCAL) { - /* currently, we use only ebp as base */ - if (c == (char)c) { - /* short reference */ - o(0x45 | op_reg); - g(c); - } else { - oad(0x85 | op_reg, c); - } - } else { - g(0x00 | op_reg | (r & VT_VALMASK)); - } -} - -/* load 'r' from value 'sv' */ -ST_FUNC void load(int r, SValue *sv) -{ - int v, t, ft, fc, fr; - SValue v1; - -#ifdef TCC_TARGET_PE - SValue v2; - sv = pe_getimport(sv, &v2); -#endif - - fr = sv->r; - ft = sv->type.t; - fc = sv->c.ul; - - v = fr & VT_VALMASK; - if (fr & VT_LVAL) { - if (v == VT_LLOCAL) { - v1.type.t = VT_INT; - v1.r = VT_LOCAL | VT_LVAL; - v1.c.ul = fc; - fr = r; - if (!(reg_classes[fr] & RC_INT)) - fr = get_reg(RC_INT); - load(fr, &v1); - } - if ((ft & VT_BTYPE) == VT_FLOAT) { - o(0xd9); /* flds */ - r = 0; - } else if ((ft & VT_BTYPE) == VT_DOUBLE) { - o(0xdd); /* fldl */ - r = 0; - } else if ((ft & VT_BTYPE) == VT_LDOUBLE) { - o(0xdb); /* fldt */ - r = 5; - } else if ((ft & VT_TYPE) == VT_BYTE || (ft & VT_TYPE) == VT_BOOL) { - o(0xbe0f); /* movsbl */ - } else if ((ft & VT_TYPE) == (VT_BYTE | VT_UNSIGNED)) { - o(0xb60f); /* movzbl */ - } else if ((ft & VT_TYPE) == VT_SHORT) { - o(0xbf0f); /* movswl */ - } else if ((ft & VT_TYPE) == (VT_SHORT | VT_UNSIGNED)) { - o(0xb70f); /* movzwl */ - } else { - o(0x8b); /* movl */ - } - gen_modrm(r, fr, sv->sym, fc); - } else { - if (v == VT_CONST) { - o(0xb8 + r); /* mov $xx, r */ - gen_addr32(fr, sv->sym, fc); - } else if (v == VT_LOCAL) { - if (fc) { - o(0x8d); /* lea xxx(%ebp), r */ - gen_modrm(r, VT_LOCAL, sv->sym, fc); - } else { - o(0x89); - o(0xe8 + r); /* mov %ebp, r */ - } - } else if (v == VT_CMP) { - oad(0xb8 + r, 0); /* mov $0, r */ - o(0x0f); /* setxx %br */ - o(fc); - o(0xc0 + r); - } else if (v == VT_JMP || v == VT_JMPI) { - t = v & 1; - oad(0xb8 + r, t); /* mov $1, r */ - o(0x05eb); /* jmp after */ - gsym(fc); - oad(0xb8 + r, t ^ 1); /* mov $0, r */ - } else if (v != r) { - o(0x89); - o(0xc0 + r + v * 8); /* mov v, r */ - } - } -} - -/* store register 'r' in lvalue 'v' */ -ST_FUNC void store(int r, SValue *v) -{ - int fr, bt, ft, fc; - -#ifdef TCC_TARGET_PE - SValue v2; - v = pe_getimport(v, &v2); -#endif - - ft = v->type.t; - fc = v->c.ul; - fr = v->r & VT_VALMASK; - bt = ft & VT_BTYPE; - /* XXX: incorrect if float reg to reg */ - if (bt == VT_FLOAT) { - o(0xd9); /* fsts */ - r = 2; - } else if (bt == VT_DOUBLE) { - o(0xdd); /* fstpl */ - r = 2; - } else if (bt == VT_LDOUBLE) { - o(0xc0d9); /* fld %st(0) */ - o(0xdb); /* fstpt */ - r = 7; - } else { - if (bt == VT_SHORT) - o(0x66); - if (bt == VT_BYTE || bt == VT_BOOL) - o(0x88); - else - o(0x89); - } - if (fr == VT_CONST || - fr == VT_LOCAL || - (v->r & VT_LVAL)) { - gen_modrm(r, v->r, v->sym, fc); - } else if (fr != r) { - o(0xc0 + fr + r * 8); /* mov r, fr */ - } -} - -static void gadd_sp(int val) -{ - if (val == (char)val) { - o(0xc483); - g(val); - } else { - oad(0xc481, val); /* add $xxx, %esp */ - } -} - -static void gen_static_call(int v) -{ - Sym *sym; - - sym = external_global_sym(v, &func_old_type, 0); - oad(0xe8, -4); - greloc(cur_text_section, sym, ind-4, R_386_PC32); -} - -/* 'is_jmp' is '1' if it is a jump */ -static void gcall_or_jmp(int is_jmp) -{ - int r; - if ((vtop->r & (VT_VALMASK | VT_LVAL)) == VT_CONST) { - /* constant case */ - if (vtop->r & VT_SYM) { - /* relocation case */ - greloc(cur_text_section, vtop->sym, - ind + 1, R_386_PC32); - } else { - /* put an empty PC32 relocation */ - put_elf_reloc(symtab_section, cur_text_section, - ind + 1, R_386_PC32, 0); - } - oad(0xe8 + is_jmp, vtop->c.ul - 4); /* call/jmp im */ - } else { - /* otherwise, indirect call */ - r = gv(RC_INT); - o(0xff); /* call/jmp *r */ - o(0xd0 + r + (is_jmp << 4)); - } -} - -static uint8_t fastcall_regs[3] = { TREG_EAX, TREG_EDX, TREG_ECX }; -static uint8_t fastcallw_regs[2] = { TREG_ECX, TREG_EDX }; - -ST_FUNC int regargs_nregs(RegArgs *args) -{ - return *args; -} - -/* Return the number of registers needed to return the struct, or 0 if - returning via struct pointer. */ -ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *ret_align, int *regsize, RegArgs *args) -{ -#ifdef TCC_TARGET_PE - int size, align; - - *ret_align = 1; // Never have to re-align return values for x86 - *regsize = 4; - size = type_size(vt, &align); - if (size > 8) { - *args = 0; - } else if (size > 4) { - ret->ref = NULL; - ret->t = VT_LLONG; - *args = 1; - } else { - ret->ref = NULL; - ret->t = VT_INT; - *args = 1; - } -#else - *ret_align = 1; // Never have to re-align return values for x86 - *args = 0; -#endif - - return *args != 0; -} - -/* Generate function call. The function address is pushed first, then - all the parameters in call order. This functions pops all the - parameters and the function address. */ -ST_FUNC void gfunc_call(int nb_args) -{ - int size, align, r, args_size, i, func_call; - Sym *func_sym; - - args_size = 0; - for(i = 0;i < nb_args; i++) { - if ((vtop->type.t & VT_BTYPE) == VT_STRUCT) { - size = type_size(&vtop->type, &align); - /* align to stack align size */ - size = (size + 3) & ~3; - /* allocate the necessary size on stack */ - oad(0xec81, size); /* sub $xxx, %esp */ - /* generate structure store */ - r = get_reg(RC_INT); - o(0x89); /* mov %esp, r */ - o(0xe0 + r); - vset(&vtop->type, r | VT_LVAL, 0); - vswap(); - vstore(); - args_size += size; - } else if (is_float(vtop->type.t)) { - gv(RC_FLOAT); /* only one float register */ - if ((vtop->type.t & VT_BTYPE) == VT_FLOAT) - size = 4; - else if ((vtop->type.t & VT_BTYPE) == VT_DOUBLE) - size = 8; - else - size = 12; - oad(0xec81, size); /* sub $xxx, %esp */ - if (size == 12) - o(0x7cdb); - else - o(0x5cd9 + size - 4); /* fstp[s|l] 0(%esp) */ - g(0x24); - g(0x00); - args_size += size; - } else { - /* simple type (currently always same size) */ - /* XXX: implicit cast ? */ - r = gv(RC_INT); - if ((vtop->type.t & VT_BTYPE) == VT_LLONG) { - size = 8; - o(0x50 + vtop->r2); /* push r */ - } else { - size = 4; - } - o(0x50 + r); /* push r */ - args_size += size; - } - vtop--; - } - save_regs(0); /* save used temporary registers */ - func_sym = vtop->type.ref; - func_call = func_sym->a.func_call; - /* fast call case */ - if ((func_call >= FUNC_FASTCALL1 && func_call <= FUNC_FASTCALL3) || - func_call == FUNC_FASTCALLW) { - int fastcall_nb_regs; - uint8_t *fastcall_regs_ptr; - if (func_call == FUNC_FASTCALLW) { - fastcall_regs_ptr = fastcallw_regs; - fastcall_nb_regs = 2; - } else { - fastcall_regs_ptr = fastcall_regs; - fastcall_nb_regs = func_call - FUNC_FASTCALL1 + 1; - } - for(i = 0;i < fastcall_nb_regs; i++) { - if (args_size <= 0) - break; - o(0x58 + fastcall_regs_ptr[i]); /* pop r */ - /* XXX: incorrect for struct/floats */ - args_size -= 4; - } - } -#ifndef TCC_TARGET_PE - else if ((vtop->type.ref->type.t & VT_BTYPE) == VT_STRUCT) - args_size -= 4; -#endif - gcall_or_jmp(0); - - if (args_size && func_call != FUNC_STDCALL) - gadd_sp(args_size); - vtop--; -} - -#ifdef TCC_TARGET_PE -#define FUNC_PROLOG_SIZE 10 -#else -#define FUNC_PROLOG_SIZE 9 -#endif - -/* generate function prolog of type 't' */ -ST_FUNC void gfunc_prolog(CType *func_type) -{ - int addr, align, size, func_call, fastcall_nb_regs; - int param_index, param_addr; - uint8_t *fastcall_regs_ptr; - Sym *sym; - CType *type; - - sym = func_type->ref; - func_call = sym->a.func_call; - addr = 8; - loc = 0; - func_vc = 0; - - if (func_call >= FUNC_FASTCALL1 && func_call <= FUNC_FASTCALL3) { - fastcall_nb_regs = func_call - FUNC_FASTCALL1 + 1; - fastcall_regs_ptr = fastcall_regs; - } else if (func_call == FUNC_FASTCALLW) { - fastcall_nb_regs = 2; - fastcall_regs_ptr = fastcallw_regs; - } else { - fastcall_nb_regs = 0; - fastcall_regs_ptr = NULL; - } - param_index = 0; - - ind += FUNC_PROLOG_SIZE; - func_sub_sp_offset = ind; - /* if the function returns a structure, then add an - implicit pointer parameter */ - func_vt = sym->type; - func_var = (sym->c == FUNC_ELLIPSIS); -#ifdef TCC_TARGET_PE - size = type_size(&func_vt,&align); - if (((func_vt.t & VT_BTYPE) == VT_STRUCT) && (size > 8)) { -#else - if ((func_vt.t & VT_BTYPE) == VT_STRUCT) { -#endif - /* XXX: fastcall case ? */ - func_vc = addr; - addr += 4; - param_index++; - } - /* define parameters */ - while ((sym = sym->next) != NULL) { - type = &sym->type; - size = type_size(type, &align); - size = (size + 3) & ~3; -#ifdef FUNC_STRUCT_PARAM_AS_PTR - /* structs are passed as pointer */ - if ((type->t & VT_BTYPE) == VT_STRUCT) { - size = 4; - } -#endif - if (param_index < fastcall_nb_regs) { - /* save FASTCALL register */ - loc -= 4; - o(0x89); /* movl */ - gen_modrm(fastcall_regs_ptr[param_index], VT_LOCAL, NULL, loc); - param_addr = loc; - } else { - param_addr = addr; - addr += size; - } - sym_push(sym->v & ~SYM_FIELD, type, - VT_LOCAL | lvalue_type(type->t), param_addr); - param_index++; - } - func_ret_sub = 0; - /* pascal type call ? */ - if (func_call == FUNC_STDCALL) - func_ret_sub = addr - 8; -#ifndef TCC_TARGET_PE - else if (func_vc) - func_ret_sub = 4; -#endif - -#ifdef CONFIG_TCC_BCHECK - /* leave some room for bound checking code */ - if (tcc_state->do_bounds_check) { - oad(0xb8, 0); /* lbound section pointer */ - oad(0xb8, 0); /* call to function */ - func_bound_offset = lbounds_section->data_offset; - } -#endif -} - -/* generate function epilog */ -ST_FUNC void gfunc_epilog(void) -{ - addr_t v, saved_ind; - -#ifdef CONFIG_TCC_BCHECK - if (tcc_state->do_bounds_check - && func_bound_offset != lbounds_section->data_offset) { - addr_t saved_ind; - addr_t *bounds_ptr; - Sym *sym_data; - /* add end of table info */ - bounds_ptr = section_ptr_add(lbounds_section, sizeof(addr_t)); - *bounds_ptr = 0; - /* generate bound local allocation */ - saved_ind = ind; - ind = func_sub_sp_offset; - sym_data = get_sym_ref(&char_pointer_type, lbounds_section, - func_bound_offset, lbounds_section->data_offset); - greloc(cur_text_section, sym_data, - ind + 1, R_386_32); - oad(0xb8, 0); /* mov %eax, xxx */ - gen_static_call(TOK___bound_local_new); - - ind = saved_ind; - /* generate bound check local freeing */ - o(0x5250); /* save returned value, if any */ - greloc(cur_text_section, sym_data, - ind + 1, R_386_32); - oad(0xb8, 0); /* mov %eax, xxx */ - gen_static_call(TOK___bound_local_delete); - - o(0x585a); /* restore returned value, if any */ - } -#endif - o(0xc9); /* leave */ - if (func_ret_sub == 0) { - o(0xc3); /* ret */ - } else { - o(0xc2); /* ret n */ - g(func_ret_sub); - g(func_ret_sub >> 8); - } - /* align local size to word & save local variables */ - - v = (-loc + 3) & -4; - saved_ind = ind; - ind = func_sub_sp_offset - FUNC_PROLOG_SIZE; -#ifdef TCC_TARGET_PE - if (v >= 4096) { - oad(0xb8, v); /* mov stacksize, %eax */ - gen_static_call(TOK___chkstk); /* call __chkstk, (does the stackframe too) */ - } else -#endif - { - o(0xe58955); /* push %ebp, mov %esp, %ebp */ - o(0xec81); /* sub esp, stacksize */ - gen_le32(v); -#if FUNC_PROLOG_SIZE == 10 - o(0x90); /* adjust to FUNC_PROLOG_SIZE */ -#endif - } - ind = saved_ind; -} - -/* generate a jump to a label */ -ST_FUNC int gjmp(int t) -{ - return psym(0xe9, t); -} - -/* generate a jump to a fixed address */ -ST_FUNC void gjmp_addr(int a) -{ - int r; - r = a - ind - 2; - if (r == (char)r) { - g(0xeb); - g(r); - } else { - oad(0xe9, a - ind - 5); - } -} - -/* generate a test. set 'inv' to invert test. Stack entry is popped */ -ST_FUNC int gtst(int inv, int t) -{ - int v, *p; - - v = vtop->r & VT_VALMASK; - if (v == VT_CMP) { - /* fast case : can jump directly since flags are set */ - g(0x0f); - t = psym((vtop->c.i - 16) ^ inv, t); - } else if (v == VT_JMP || v == VT_JMPI) { - /* && or || optimization */ - if ((v & 1) == inv) { - /* insert vtop->c jump list in t */ - p = &vtop->c.i; - while (*p != 0) - p = (int *)(cur_text_section->data + *p); - *p = t; - t = vtop->c.i; - } else { - t = gjmp(t); - gsym(vtop->c.i); - } - } - vtop--; - return t; -} - -/* generate an integer binary operation */ -ST_FUNC void gen_opi(int op) -{ - int r, fr, opc, c; - - switch(op) { - case '+': - case TOK_ADDC1: /* add with carry generation */ - opc = 0; - gen_op8: - if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) { - /* constant case */ - vswap(); - r = gv(RC_INT); - vswap(); - c = vtop->c.i; - if (c == (char)c) { - /* generate inc and dec for smaller code */ - if (c==1 && opc==0) { - o (0x40 | r); // inc - } else if (c==1 && opc==5) { - o (0x48 | r); // dec - } else { - o(0x83); - o(0xc0 | (opc << 3) | r); - g(c); - } - } else { - o(0x81); - oad(0xc0 | (opc << 3) | r, c); - } - } else { - gv2(RC_INT, RC_INT); - r = vtop[-1].r; - fr = vtop[0].r; - o((opc << 3) | 0x01); - o(0xc0 + r + fr * 8); - } - vtop--; - if (op >= TOK_ULT && op <= TOK_GT) { - vtop->r = VT_CMP; - vtop->c.i = op; - } - break; - case '-': - case TOK_SUBC1: /* sub with carry generation */ - opc = 5; - goto gen_op8; - case TOK_ADDC2: /* add with carry use */ - opc = 2; - goto gen_op8; - case TOK_SUBC2: /* sub with carry use */ - opc = 3; - goto gen_op8; - case '&': - opc = 4; - goto gen_op8; - case '^': - opc = 6; - goto gen_op8; - case '|': - opc = 1; - goto gen_op8; - case '*': - gv2(RC_INT, RC_INT); - r = vtop[-1].r; - fr = vtop[0].r; - vtop--; - o(0xaf0f); /* imul fr, r */ - o(0xc0 + fr + r * 8); - break; - case TOK_SHL: - opc = 4; - goto gen_shift; - case TOK_SHR: - opc = 5; - goto gen_shift; - case TOK_SAR: - opc = 7; - gen_shift: - opc = 0xc0 | (opc << 3); - if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) { - /* constant case */ - vswap(); - r = gv(RC_INT); - vswap(); - c = vtop->c.i & 0x1f; - o(0xc1); /* shl/shr/sar $xxx, r */ - o(opc | r); - g(c); - } else { - /* we generate the shift in ecx */ - gv2(RC_INT, RC_ECX); - r = vtop[-1].r; - o(0xd3); /* shl/shr/sar %cl, r */ - o(opc | r); - } - vtop--; - break; - case '/': - case TOK_UDIV: - case TOK_PDIV: - case '%': - case TOK_UMOD: - case TOK_UMULL: - /* first operand must be in eax */ - /* XXX: need better constraint for second operand */ - gv2(RC_EAX, RC_ECX); - r = vtop[-1].r; - fr = vtop[0].r; - vtop--; - save_reg(TREG_EDX); - if (op == TOK_UMULL) { - o(0xf7); /* mul fr */ - o(0xe0 + fr); - vtop->r2 = TREG_EDX; - r = TREG_EAX; - } else { - if (op == TOK_UDIV || op == TOK_UMOD) { - o(0xf7d231); /* xor %edx, %edx, div fr, %eax */ - o(0xf0 + fr); - } else { - o(0xf799); /* cltd, idiv fr, %eax */ - o(0xf8 + fr); - } - if (op == '%' || op == TOK_UMOD) - r = TREG_EDX; - else - r = TREG_EAX; - } - vtop->r = r; - break; - default: - opc = 7; - goto gen_op8; - } -} - -/* generate a floating point operation 'v = t1 op t2' instruction. The - two operands are guaranted to have the same floating point type */ -/* XXX: need to use ST1 too */ -ST_FUNC void gen_opf(int op) -{ - int a, ft, fc, swapped, r; - - /* convert constants to memory references */ - if ((vtop[-1].r & (VT_VALMASK | VT_LVAL)) == VT_CONST) { - vswap(); - gv(RC_FLOAT); - vswap(); - } - if ((vtop[0].r & (VT_VALMASK | VT_LVAL)) == VT_CONST) - gv(RC_FLOAT); - - /* must put at least one value in the floating point register */ - if ((vtop[-1].r & VT_LVAL) && - (vtop[0].r & VT_LVAL)) { - vswap(); - gv(RC_FLOAT); - vswap(); - } - swapped = 0; - /* swap the stack if needed so that t1 is the register and t2 is - the memory reference */ - if (vtop[-1].r & VT_LVAL) { - vswap(); - swapped = 1; - } - if (op >= TOK_ULT && op <= TOK_GT) { - /* load on stack second operand */ - load(TREG_ST0, vtop); - save_reg(TREG_EAX); /* eax is used by FP comparison code */ - if (op == TOK_GE || op == TOK_GT) - swapped = !swapped; - else if (op == TOK_EQ || op == TOK_NE) - swapped = 0; - if (swapped) - o(0xc9d9); /* fxch %st(1) */ - if (op == TOK_EQ || op == TOK_NE) - o(0xe9da); /* fucompp */ - else - o(0xd9de); /* fcompp */ - o(0xe0df); /* fnstsw %ax */ - if (op == TOK_EQ) { - o(0x45e480); /* and $0x45, %ah */ - o(0x40fC80); /* cmp $0x40, %ah */ - } else if (op == TOK_NE) { - o(0x45e480); /* and $0x45, %ah */ - o(0x40f480); /* xor $0x40, %ah */ - op = TOK_NE; - } else if (op == TOK_GE || op == TOK_LE) { - o(0x05c4f6); /* test $0x05, %ah */ - op = TOK_EQ; - } else { - o(0x45c4f6); /* test $0x45, %ah */ - op = TOK_EQ; - } - vtop--; - vtop->r = VT_CMP; - vtop->c.i = op; - } else { - /* no memory reference possible for long double operations */ - if ((vtop->type.t & VT_BTYPE) == VT_LDOUBLE) { - load(TREG_ST0, vtop); - swapped = !swapped; - } - - switch(op) { - default: - case '+': - a = 0; - break; - case '-': - a = 4; - if (swapped) - a++; - break; - case '*': - a = 1; - break; - case '/': - a = 6; - if (swapped) - a++; - break; - } - ft = vtop->type.t; - fc = vtop->c.ul; - if ((ft & VT_BTYPE) == VT_LDOUBLE) { - o(0xde); /* fxxxp %st, %st(1) */ - o(0xc1 + (a << 3)); - } else { - /* if saved lvalue, then we must reload it */ - r = vtop->r; - if ((r & VT_VALMASK) == VT_LLOCAL) { - SValue v1; - r = get_reg(RC_INT); - v1.type.t = VT_INT; - v1.r = VT_LOCAL | VT_LVAL; - v1.c.ul = fc; - load(r, &v1); - fc = 0; - } - - if ((ft & VT_BTYPE) == VT_DOUBLE) - o(0xdc); - else - o(0xd8); - gen_modrm(a, r, vtop->sym, fc); - } - vtop--; - } -} - -/* convert integers to fp 't' type. Must handle 'int', 'unsigned int' - and 'long long' cases. */ -ST_FUNC void gen_cvt_itof(int t) -{ - save_reg(TREG_ST0); - gv(RC_INT); - if ((vtop->type.t & VT_BTYPE) == VT_LLONG) { - /* signed long long to float/double/long double (unsigned case - is handled generically) */ - o(0x50 + vtop->r2); /* push r2 */ - o(0x50 + (vtop->r & VT_VALMASK)); /* push r */ - o(0x242cdf); /* fildll (%esp) */ - o(0x08c483); /* add $8, %esp */ - } else if ((vtop->type.t & (VT_BTYPE | VT_UNSIGNED)) == - (VT_INT | VT_UNSIGNED)) { - /* unsigned int to float/double/long double */ - o(0x6a); /* push $0 */ - g(0x00); - o(0x50 + (vtop->r & VT_VALMASK)); /* push r */ - o(0x242cdf); /* fildll (%esp) */ - o(0x08c483); /* add $8, %esp */ - } else { - /* int to float/double/long double */ - o(0x50 + (vtop->r & VT_VALMASK)); /* push r */ - o(0x2404db); /* fildl (%esp) */ - o(0x04c483); /* add $4, %esp */ - } - vtop->r = TREG_ST0; -} - -/* convert fp to int 't' type */ -ST_FUNC void gen_cvt_ftoi(int t) -{ - #ifndef COMMIT_4ad186c5ef61_IS_FIXED - /* a good version but it takes a more time to execute */ - gv(RC_FLOAT); - save_reg(TREG_EAX); - save_reg(TREG_EDX); - gen_static_call(TOK___tcc_cvt_ftol); - vtop->r = TREG_EAX; /* mark reg as used */ - if (t == VT_LLONG) - vtop->r2 = TREG_EDX; - #else - /* a new version with a bug: t2a = 44100312 */ - /* - #include - int main() { - int t1 = 176401255; - float f = 0.25f; - int t2a = (int)(t1 * f); // must be 44100313 - int t2b = (int)(t1 * (float)0.25f); - printf("t2a=%d t2b=%d \n",t2a,t2b); - return 0; - } - */ - int bt = vtop->type.t & VT_BTYPE; - if (bt == VT_FLOAT) - vpush_global_sym(&func_old_type, TOK___fixsfdi); - else if (bt == VT_LDOUBLE) - vpush_global_sym(&func_old_type, TOK___fixxfdi); - else - vpush_global_sym(&func_old_type, TOK___fixdfdi); - vswap(); - gfunc_call(1); - vpushi(0); - vtop->r = REG_IRET; - vtop->r2 = REG_LRET; - #endif -} - -/* convert from one floating point type to another */ -ST_FUNC void gen_cvt_ftof(int t) -{ - /* all we have to do on i386 is to put the float in a register */ - gv(RC_FLOAT); -} - -/* computed goto support */ -ST_FUNC void ggoto(void) -{ - gcall_or_jmp(1); - vtop--; -} - -/* bound check support functions */ -#ifdef CONFIG_TCC_BCHECK - -/* generate a bounded pointer addition */ -ST_FUNC void gen_bounded_ptr_add(void) -{ - /* prepare fast i386 function call (args in eax and edx) */ - gv2(RC_EAX, RC_EDX); - /* save all temporary registers */ - vtop -= 2; - save_regs(0); - /* do a fast function call */ - gen_static_call(TOK___bound_ptr_add); - /* returned pointer is in eax */ - vtop++; - vtop->r = TREG_EAX | VT_BOUNDED; - /* address of bounding function call point */ - vtop->c.ul = (cur_text_section->reloc->data_offset - sizeof(Elf32_Rel)); -} - -/* patch pointer addition in vtop so that pointer dereferencing is - also tested */ -ST_FUNC void gen_bounded_ptr_deref(void) -{ - addr_t func; - addr_t size, align; - Elf32_Rel *rel; - Sym *sym; - - size = 0; - /* XXX: put that code in generic part of tcc */ - if (!is_float(vtop->type.t)) { - if (vtop->r & VT_LVAL_BYTE) - size = 1; - else if (vtop->r & VT_LVAL_SHORT) - size = 2; - } - if (!size) - size = type_size(&vtop->type, &align); - switch(size) { - case 1: func = TOK___bound_ptr_indir1; break; - case 2: func = TOK___bound_ptr_indir2; break; - case 4: func = TOK___bound_ptr_indir4; break; - case 8: func = TOK___bound_ptr_indir8; break; - case 12: func = TOK___bound_ptr_indir12; break; - case 16: func = TOK___bound_ptr_indir16; break; - default: - tcc_error("unhandled size when dereferencing bounded pointer"); - func = 0; - break; - } - - /* patch relocation */ - /* XXX: find a better solution ? */ - rel = (Elf32_Rel *)(cur_text_section->reloc->data + vtop->c.ul); - sym = external_global_sym(func, &func_old_type, 0); - if (!sym->c) - put_extern_sym(sym, NULL, 0, 0); - rel->r_info = ELF32_R_INFO(sym->c, ELF32_R_TYPE(rel->r_info)); -} -#endif - -/* Save the stack pointer onto the stack */ -ST_FUNC void gen_vla_sp_save(int addr) { - /* mov %esp,addr(%ebp)*/ - o(0x89); - gen_modrm(TREG_ESP, VT_LOCAL, NULL, addr); -} - -/* Restore the SP from a location on the stack */ -ST_FUNC void gen_vla_sp_restore(int addr) { - o(0x8b); - gen_modrm(TREG_ESP, VT_LOCAL, NULL, addr); -} - -/* Subtract from the stack pointer, and push the resulting value onto the stack */ -ST_FUNC void gen_vla_alloc(CType *type, int align) { -#ifdef TCC_TARGET_PE - /* alloca does more than just adjust %rsp on Windows */ - vpush_global_sym(&func_old_type, TOK_alloca); - vswap(); /* Move alloca ref past allocation size */ - gfunc_call(1); -#else - int r; - r = gv(RC_INT); /* allocation size */ - /* sub r,%rsp */ - o(0x2b); - o(0xe0 | r); - /* We align to 16 bytes rather than align */ - /* and ~15, %esp */ - o(0xf0e483); - vpop(); -#endif -} - -/* end of X86 code generator */ -/*************************************************************/ -#endif -/*************************************************************/ diff --git a/src/x86/i386-tok.h b/src/x86/i386-tok.h deleted file mode 100644 index b0ca3ed..0000000 --- a/src/x86/i386-tok.h +++ /dev/null @@ -1,244 +0,0 @@ -/* ------------------------------------------------------------------ */ -/* WARNING: relative order of tokens is important. */ - -/* register */ - DEF_ASM(al) - DEF_ASM(cl) - DEF_ASM(dl) - DEF_ASM(bl) - DEF_ASM(ah) - DEF_ASM(ch) - DEF_ASM(dh) - DEF_ASM(bh) - DEF_ASM(ax) - DEF_ASM(cx) - DEF_ASM(dx) - DEF_ASM(bx) - DEF_ASM(sp) - DEF_ASM(bp) - DEF_ASM(si) - DEF_ASM(di) - DEF_ASM(eax) - DEF_ASM(ecx) - DEF_ASM(edx) - DEF_ASM(ebx) - DEF_ASM(esp) - DEF_ASM(ebp) - DEF_ASM(esi) - DEF_ASM(edi) -#ifdef TCC_TARGET_X86_64 - DEF_ASM(rax) - DEF_ASM(rcx) - DEF_ASM(rdx) - DEF_ASM(rbx) - DEF_ASM(rsp) - DEF_ASM(rbp) - DEF_ASM(rsi) - DEF_ASM(rdi) -#endif - DEF_ASM(mm0) - DEF_ASM(mm1) - DEF_ASM(mm2) - DEF_ASM(mm3) - DEF_ASM(mm4) - DEF_ASM(mm5) - DEF_ASM(mm6) - DEF_ASM(mm7) - DEF_ASM(xmm0) - DEF_ASM(xmm1) - DEF_ASM(xmm2) - DEF_ASM(xmm3) - DEF_ASM(xmm4) - DEF_ASM(xmm5) - DEF_ASM(xmm6) - DEF_ASM(xmm7) - DEF_ASM(cr0) - DEF_ASM(cr1) - DEF_ASM(cr2) - DEF_ASM(cr3) - DEF_ASM(cr4) - DEF_ASM(cr5) - DEF_ASM(cr6) - DEF_ASM(cr7) - DEF_ASM(tr0) - DEF_ASM(tr1) - DEF_ASM(tr2) - DEF_ASM(tr3) - DEF_ASM(tr4) - DEF_ASM(tr5) - DEF_ASM(tr6) - DEF_ASM(tr7) - DEF_ASM(db0) - DEF_ASM(db1) - DEF_ASM(db2) - DEF_ASM(db3) - DEF_ASM(db4) - DEF_ASM(db5) - DEF_ASM(db6) - DEF_ASM(db7) - DEF_ASM(dr0) - DEF_ASM(dr1) - DEF_ASM(dr2) - DEF_ASM(dr3) - DEF_ASM(dr4) - DEF_ASM(dr5) - DEF_ASM(dr6) - DEF_ASM(dr7) - DEF_ASM(es) - DEF_ASM(cs) - DEF_ASM(ss) - DEF_ASM(ds) - DEF_ASM(fs) - DEF_ASM(gs) - DEF_ASM(st) - - /* generic two operands */ - DEF_BWLX(mov) - - DEF_BWLX(add) - DEF_BWLX(or) - DEF_BWLX(adc) - DEF_BWLX(sbb) - DEF_BWLX(and) - DEF_BWLX(sub) - DEF_BWLX(xor) - DEF_BWLX(cmp) - - /* unary ops */ - DEF_BWLX(inc) - DEF_BWLX(dec) - DEF_BWLX(not) - DEF_BWLX(neg) - DEF_BWLX(mul) - DEF_BWLX(imul) - DEF_BWLX(div) - DEF_BWLX(idiv) - - DEF_BWLX(xchg) - DEF_BWLX(test) - - /* shifts */ - DEF_BWLX(rol) - DEF_BWLX(ror) - DEF_BWLX(rcl) - DEF_BWLX(rcr) - DEF_BWLX(shl) - DEF_BWLX(shr) - DEF_BWLX(sar) - - DEF_ASM(shldw) - DEF_ASM(shldl) - DEF_ASM(shld) - DEF_ASM(shrdw) - DEF_ASM(shrdl) - DEF_ASM(shrd) - - DEF_ASM(pushw) - DEF_ASM(pushl) -#ifdef TCC_TARGET_X86_64 - DEF_ASM(pushq) -#endif - DEF_ASM(push) - - DEF_ASM(popw) - DEF_ASM(popl) -#ifdef TCC_TARGET_X86_64 - DEF_ASM(popq) -#endif - DEF_ASM(pop) - - DEF_BWL(in) - DEF_BWL(out) - - DEF_WL(movzb) - DEF_ASM(movzwl) - DEF_ASM(movsbw) - DEF_ASM(movsbl) - DEF_ASM(movswl) -#ifdef TCC_TARGET_X86_64 - DEF_ASM(movslq) -#endif - - DEF_WLX(lea) - - DEF_ASM(les) - DEF_ASM(lds) - DEF_ASM(lss) - DEF_ASM(lfs) - DEF_ASM(lgs) - - DEF_ASM(call) - DEF_ASM(jmp) - DEF_ASM(lcall) - DEF_ASM(ljmp) - - DEF_ASMTEST(j,) - - DEF_ASMTEST(set,) - DEF_ASMTEST(set,b) - DEF_ASMTEST(cmov,) - - DEF_WLX(bsf) - DEF_WLX(bsr) - DEF_WLX(bt) - DEF_WLX(bts) - DEF_WLX(btr) - DEF_WLX(btc) - - DEF_WLX(lsl) - - /* generic FP ops */ - DEF_FP(add) - DEF_FP(mul) - - DEF_ASM(fcom) - DEF_ASM(fcom_1) /* non existent op, just to have a regular table */ - DEF_FP1(com) - - DEF_FP(comp) - DEF_FP(sub) - DEF_FP(subr) - DEF_FP(div) - DEF_FP(divr) - - DEF_BWLX(xadd) - DEF_BWLX(cmpxchg) - - /* string ops */ - DEF_BWLX(cmps) - DEF_BWLX(scmp) - DEF_BWL(ins) - DEF_BWL(outs) - DEF_BWLX(lods) - DEF_BWLX(slod) - DEF_BWLX(movs) - DEF_BWLX(smov) - DEF_BWLX(scas) - DEF_BWLX(ssca) - DEF_BWLX(stos) - DEF_BWLX(ssto) - - /* generic asm ops */ -#define ALT(x) -#define DEF_ASM_OP0(name, opcode) DEF_ASM(name) -#define DEF_ASM_OP0L(name, opcode, group, instr_type) -#define DEF_ASM_OP1(name, opcode, group, instr_type, op0) -#define DEF_ASM_OP2(name, opcode, group, instr_type, op0, op1) -#define DEF_ASM_OP3(name, opcode, group, instr_type, op0, op1, op2) -#ifdef TCC_TARGET_X86_64 -# include "x86_64-asm.h" -#else -# include "i386-asm.h" -#endif - -#define ALT(x) -#define DEF_ASM_OP0(name, opcode) -#define DEF_ASM_OP0L(name, opcode, group, instr_type) DEF_ASM(name) -#define DEF_ASM_OP1(name, opcode, group, instr_type, op0) DEF_ASM(name) -#define DEF_ASM_OP2(name, opcode, group, instr_type, op0, op1) DEF_ASM(name) -#define DEF_ASM_OP3(name, opcode, group, instr_type, op0, op1, op2) DEF_ASM(name) -#ifdef TCC_TARGET_X86_64 -# include "x86_64-asm.h" -#else -# include "i386-asm.h" -#endif diff --git a/src/x86/x86_64-asm.h b/src/x86/x86_64-asm.h deleted file mode 100644 index 2f80e4b..0000000 --- a/src/x86/x86_64-asm.h +++ /dev/null @@ -1,449 +0,0 @@ - DEF_ASM_OP0(clc, 0xf8) /* must be first OP0 */ - DEF_ASM_OP0(cld, 0xfc) - DEF_ASM_OP0(cli, 0xfa) - DEF_ASM_OP0(clts, 0x0f06) - DEF_ASM_OP0(cmc, 0xf5) - DEF_ASM_OP0(lahf, 0x9f) - DEF_ASM_OP0(sahf, 0x9e) - DEF_ASM_OP0(pushfl, 0x9c) - DEF_ASM_OP0(popfl, 0x9d) - DEF_ASM_OP0(pushf, 0x9c) - DEF_ASM_OP0(popf, 0x9d) - DEF_ASM_OP0(stc, 0xf9) - DEF_ASM_OP0(std, 0xfd) - DEF_ASM_OP0(sti, 0xfb) - DEF_ASM_OP0(aaa, 0x37) - DEF_ASM_OP0(aas, 0x3f) - DEF_ASM_OP0(daa, 0x27) - DEF_ASM_OP0(das, 0x2f) - DEF_ASM_OP0(aad, 0xd50a) - DEF_ASM_OP0(aam, 0xd40a) - DEF_ASM_OP0(cbw, 0x6698) - DEF_ASM_OP0(cwd, 0x6699) - DEF_ASM_OP0(cwde, 0x98) - DEF_ASM_OP0(cdq, 0x99) - DEF_ASM_OP0(cbtw, 0x6698) - DEF_ASM_OP0(cwtl, 0x98) - DEF_ASM_OP0(cwtd, 0x6699) - DEF_ASM_OP0(cltd, 0x99) - DEF_ASM_OP0(cqto, 0x4899) - DEF_ASM_OP0(int3, 0xcc) - DEF_ASM_OP0(into, 0xce) - DEF_ASM_OP0(iret, 0xcf) - DEF_ASM_OP0(rsm, 0x0faa) - DEF_ASM_OP0(hlt, 0xf4) - DEF_ASM_OP0(wait, 0x9b) - DEF_ASM_OP0(nop, 0x90) - DEF_ASM_OP0(xlat, 0xd7) - - /* strings */ -ALT(DEF_ASM_OP0L(cmpsb, 0xa6, 0, OPC_BWLQ)) -ALT(DEF_ASM_OP0L(scmpb, 0xa6, 0, OPC_BWLQ)) - -ALT(DEF_ASM_OP0L(insb, 0x6c, 0, OPC_BWLQ)) -ALT(DEF_ASM_OP0L(outsb, 0x6e, 0, OPC_BWLQ)) - -ALT(DEF_ASM_OP0L(lodsb, 0xac, 0, OPC_BWLQ)) -ALT(DEF_ASM_OP0L(slodb, 0xac, 0, OPC_BWLQ)) - -ALT(DEF_ASM_OP0L(movsb, 0xa4, 0, OPC_BWLQ)) -ALT(DEF_ASM_OP0L(smovb, 0xa4, 0, OPC_BWLQ)) - -ALT(DEF_ASM_OP0L(scasb, 0xae, 0, OPC_BWLQ)) -ALT(DEF_ASM_OP0L(sscab, 0xae, 0, OPC_BWLQ)) - -ALT(DEF_ASM_OP0L(stosb, 0xaa, 0, OPC_BWLQ)) -ALT(DEF_ASM_OP0L(sstob, 0xaa, 0, OPC_BWLQ)) - - /* bits */ - -ALT(DEF_ASM_OP2(bsfw, 0x0fbc, 0, OPC_MODRM | OPC_WLQ, OPT_REGW | OPT_EA, OPT_REGW)) -ALT(DEF_ASM_OP2(bsrw, 0x0fbd, 0, OPC_MODRM | OPC_WLQ, OPT_REGW | OPT_EA, OPT_REGW)) - -ALT(DEF_ASM_OP2(btw, 0x0fa3, 0, OPC_MODRM | OPC_WLQ, OPT_REGW, OPT_REGW | OPT_EA)) -ALT(DEF_ASM_OP2(btw, 0x0fba, 4, OPC_MODRM | OPC_WLQ, OPT_IM8, OPT_REGW | OPT_EA)) - -ALT(DEF_ASM_OP2(btsw, 0x0fab, 0, OPC_MODRM | OPC_WLQ, OPT_REGW, OPT_REGW | OPT_EA)) -ALT(DEF_ASM_OP2(btsw, 0x0fba, 5, OPC_MODRM | OPC_WLQ, OPT_IM8, OPT_REGW | OPT_EA)) - -ALT(DEF_ASM_OP2(btrw, 0x0fb3, 0, OPC_MODRM | OPC_WLQ, OPT_REGW, OPT_REGW | OPT_EA)) -ALT(DEF_ASM_OP2(btrw, 0x0fba, 6, OPC_MODRM | OPC_WLQ, OPT_IM8, OPT_REGW | OPT_EA)) - -ALT(DEF_ASM_OP2(btcw, 0x0fbb, 0, OPC_MODRM | OPC_WLQ, OPT_REGW, OPT_REGW | OPT_EA)) -ALT(DEF_ASM_OP2(btcw, 0x0fba, 7, OPC_MODRM | OPC_WLQ, OPT_IM8, OPT_REGW | OPT_EA)) - - /* prefixes */ - DEF_ASM_OP0(lock, 0xf0) - DEF_ASM_OP0(rep, 0xf3) - DEF_ASM_OP0(repe, 0xf3) - DEF_ASM_OP0(repz, 0xf3) - DEF_ASM_OP0(repne, 0xf2) - DEF_ASM_OP0(repnz, 0xf2) - - DEF_ASM_OP0(invd, 0x0f08) - DEF_ASM_OP0(wbinvd, 0x0f09) - DEF_ASM_OP0(cpuid, 0x0fa2) - DEF_ASM_OP0(wrmsr, 0x0f30) - DEF_ASM_OP0(rdtsc, 0x0f31) - DEF_ASM_OP0(rdmsr, 0x0f32) - DEF_ASM_OP0(rdpmc, 0x0f33) - DEF_ASM_OP0(ud2, 0x0f0b) - - /* NOTE: we took the same order as gas opcode definition order */ -ALT(DEF_ASM_OP2(movb, 0xa0, 0, OPC_BWLQ, OPT_ADDR, OPT_EAX)) -ALT(DEF_ASM_OP2(movb, 0xa2, 0, OPC_BWLQ, OPT_EAX, OPT_ADDR)) -ALT(DEF_ASM_OP2(movb, 0x88, 0, OPC_MODRM | OPC_BWLQ, OPT_REG, OPT_EA | OPT_REG)) -ALT(DEF_ASM_OP2(movb, 0x8a, 0, OPC_MODRM | OPC_BWLQ, OPT_EA | OPT_REG, OPT_REG)) -ALT(DEF_ASM_OP2(movb, 0xb0, 0, OPC_REG | OPC_BWLQ, OPT_IM, OPT_REG)) -ALT(DEF_ASM_OP2(movb, 0xc6, 0, OPC_MODRM | OPC_BWLQ, OPT_IM, OPT_REG | OPT_EA)) - -ALT(DEF_ASM_OP2(movw, 0x8c, 0, OPC_MODRM | OPC_WLQ, OPT_SEG, OPT_EA | OPT_REG)) -ALT(DEF_ASM_OP2(movw, 0x8e, 0, OPC_MODRM | OPC_WLQ, OPT_EA | OPT_REG, OPT_SEG)) - -ALT(DEF_ASM_OP2(movw, 0x0f20, 0, OPC_MODRM | OPC_WLQ, OPT_CR, OPT_REG64)) -ALT(DEF_ASM_OP2(movw, 0x0f21, 0, OPC_MODRM | OPC_WLQ, OPT_DB, OPT_REG64)) -ALT(DEF_ASM_OP2(movw, 0x0f24, 0, OPC_MODRM | OPC_WLQ, OPT_TR, OPT_REG64)) -ALT(DEF_ASM_OP2(movw, 0x0f22, 0, OPC_MODRM | OPC_WLQ, OPT_REG64, OPT_CR)) -ALT(DEF_ASM_OP2(movw, 0x0f23, 0, OPC_MODRM | OPC_WLQ, OPT_REG64, OPT_DB)) -ALT(DEF_ASM_OP2(movw, 0x0f26, 0, OPC_MODRM | OPC_WLQ, OPT_REG64, OPT_TR)) - -ALT(DEF_ASM_OP2(movsbl, 0x0fbe, 0, OPC_MODRM, OPT_REG8 | OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(movsbw, 0x0fbe, 0, OPC_MODRM | OPC_D16, OPT_REG8 | OPT_EA, OPT_REG16)) -ALT(DEF_ASM_OP2(movswl, 0x0fbf, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(movslq, 0x4863, 0, OPC_MODRM, OPT_REG32 | OPT_EA, OPT_REG)) -ALT(DEF_ASM_OP2(movzbw, 0x0fb6, 0, OPC_MODRM | OPC_WL, OPT_REG8 | OPT_EA, OPT_REGW)) -ALT(DEF_ASM_OP2(movzwl, 0x0fb7, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) - -ALT(DEF_ASM_OP1(pushw, 0x50, 0, OPC_REG | OPC_WLQ, OPT_REG64)) -ALT(DEF_ASM_OP1(pushw, 0xff, 6, OPC_MODRM | OPC_WLQ, OPT_REG64 | OPT_EA)) -ALT(DEF_ASM_OP1(pushw, 0x68, 0, OPC_WLQ, OPT_IM32)) -ALT(DEF_ASM_OP1(pushw, 0x06, 0, OPC_WLQ, OPT_SEG)) - DEF_ASM_OP1(pushb, 0x6a, 0, OPC_B, OPT_IM8S) - -ALT(DEF_ASM_OP1(popw, 0x58, 0, OPC_REG | OPC_WLQ, OPT_REGW)) -ALT(DEF_ASM_OP1(popw, 0x8f, 0, OPC_MODRM | OPC_WLQ, OPT_REGW | OPT_EA)) -ALT(DEF_ASM_OP1(popw, 0x07, 0, OPC_WLQ, OPT_SEG)) - -ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WLQ, OPT_REG, OPT_EAX)) -ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WLQ, OPT_EAX, OPT_REG)) -ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWLQ, OPT_REG, OPT_EA | OPT_REG)) -ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWLQ, OPT_EA | OPT_REG, OPT_REG)) - -ALT(DEF_ASM_OP2(inb, 0xe4, 0, OPC_BWL, OPT_IM8, OPT_EAX)) -ALT(DEF_ASM_OP1(inb, 0xe4, 0, OPC_BWL, OPT_IM8)) -ALT(DEF_ASM_OP2(inb, 0xec, 0, OPC_BWL, OPT_DX, OPT_EAX)) -ALT(DEF_ASM_OP1(inb, 0xec, 0, OPC_BWL, OPT_DX)) - -ALT(DEF_ASM_OP2(outb, 0xe6, 0, OPC_BWL, OPT_EAX, OPT_IM8)) -ALT(DEF_ASM_OP1(outb, 0xe6, 0, OPC_BWL, OPT_IM8)) -ALT(DEF_ASM_OP2(outb, 0xee, 0, OPC_BWL, OPT_EAX, OPT_DX)) -ALT(DEF_ASM_OP1(outb, 0xee, 0, OPC_BWL, OPT_DX)) - -ALT(DEF_ASM_OP2(leaw, 0x8d, 0, OPC_MODRM | OPC_WLQ, OPT_EA, OPT_REG)) - -ALT(DEF_ASM_OP2(les, 0xc4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(lds, 0xc5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(lss, 0x0fb2, 0, OPC_MODRM, OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(lfs, 0x0fb4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(lgs, 0x0fb5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) - - /* arith */ -ALT(DEF_ASM_OP2(addb, 0x00, 0, OPC_ARITH | OPC_MODRM | OPC_BWLQ, OPT_REG, OPT_EA | OPT_REG)) /* XXX: use D bit ? */ -ALT(DEF_ASM_OP2(addb, 0x02, 0, OPC_ARITH | OPC_MODRM | OPC_BWLQ, OPT_EA | OPT_REG, OPT_REG)) -ALT(DEF_ASM_OP2(addb, 0x04, 0, OPC_ARITH | OPC_BWLQ, OPT_IMNO64, OPT_EAX)) -ALT(DEF_ASM_OP2(addb, 0x80, 0, OPC_ARITH | OPC_MODRM | OPC_BWLQ, OPT_IMNO64, OPT_EA | OPT_REG)) -ALT(DEF_ASM_OP2(addw, 0x83, 0, OPC_ARITH | OPC_MODRM | OPC_WLQ, OPT_IM8S, OPT_EA | OPT_REG)) - -ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWLQ, OPT_EA | OPT_REG, OPT_REG)) -ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWLQ, OPT_REG, OPT_EA | OPT_REG)) -ALT(DEF_ASM_OP2(testb, 0xa8, 0, OPC_BWLQ, OPT_IMNO64, OPT_EAX)) -ALT(DEF_ASM_OP2(testb, 0xf6, 0, OPC_MODRM | OPC_BWLQ, OPT_IMNO64, OPT_EA | OPT_REG)) - -ALT(DEF_ASM_OP1(incw, 0x40, 0, OPC_REG | OPC_WLQ, OPT_REGW)) -ALT(DEF_ASM_OP1(incb, 0xfe, 0, OPC_MODRM | OPC_BWLQ, OPT_REG | OPT_EA)) -ALT(DEF_ASM_OP1(decw, 0x48, 0, OPC_REG | OPC_WLQ, OPT_REGW)) -ALT(DEF_ASM_OP1(decb, 0xfe, 1, OPC_MODRM | OPC_BWLQ, OPT_REG | OPT_EA)) - -ALT(DEF_ASM_OP1(notb, 0xf6, 2, OPC_MODRM | OPC_BWLQ, OPT_REG | OPT_EA)) -ALT(DEF_ASM_OP1(negb, 0xf6, 3, OPC_MODRM | OPC_BWLQ, OPT_REG | OPT_EA)) - -ALT(DEF_ASM_OP1(mulb, 0xf6, 4, OPC_MODRM | OPC_BWLQ, OPT_REG | OPT_EA)) -ALT(DEF_ASM_OP1(imulb, 0xf6, 5, OPC_MODRM | OPC_BWLQ, OPT_REG | OPT_EA)) - -ALT(DEF_ASM_OP2(imulw, 0x0faf, 0, OPC_MODRM | OPC_WLQ, OPT_REG | OPT_EA, OPT_REG)) -ALT(DEF_ASM_OP3(imulw, 0x6b, 0, OPC_MODRM | OPC_WLQ, OPT_IM8S, OPT_REGW | OPT_EA, OPT_REGW)) -ALT(DEF_ASM_OP2(imulw, 0x6b, 0, OPC_MODRM | OPC_WLQ, OPT_IM8S, OPT_REGW)) -ALT(DEF_ASM_OP3(imulw, 0x69, 0, OPC_MODRM | OPC_WLQ, OPT_IMW, OPT_REGW | OPT_EA, OPT_REGW)) -ALT(DEF_ASM_OP2(imulw, 0x69, 0, OPC_MODRM | OPC_WLQ, OPT_IMW, OPT_REGW)) - -ALT(DEF_ASM_OP1(divb, 0xf6, 6, OPC_MODRM | OPC_BWLQ, OPT_REG | OPT_EA)) -ALT(DEF_ASM_OP2(divb, 0xf6, 6, OPC_MODRM | OPC_BWLQ, OPT_REG | OPT_EA, OPT_EAX)) -ALT(DEF_ASM_OP1(idivb, 0xf6, 7, OPC_MODRM | OPC_BWLQ, OPT_REG | OPT_EA)) -ALT(DEF_ASM_OP2(idivb, 0xf6, 7, OPC_MODRM | OPC_BWLQ, OPT_REG | OPT_EA, OPT_EAX)) - - /* shifts */ -ALT(DEF_ASM_OP2(rolb, 0xc0, 0, OPC_MODRM | OPC_BWLQ | OPC_SHIFT, OPT_IM8, OPT_EA | OPT_REG)) -ALT(DEF_ASM_OP2(rolb, 0xd2, 0, OPC_MODRM | OPC_BWLQ | OPC_SHIFT, OPT_CL, OPT_EA | OPT_REG)) -ALT(DEF_ASM_OP1(rolb, 0xd0, 0, OPC_MODRM | OPC_BWLQ | OPC_SHIFT, OPT_EA | OPT_REG)) - -ALT(DEF_ASM_OP3(shldw, 0x0fa4, 0, OPC_MODRM | OPC_WLQ, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) -ALT(DEF_ASM_OP3(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WLQ, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) -ALT(DEF_ASM_OP2(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WLQ, OPT_REGW, OPT_EA | OPT_REGW)) -ALT(DEF_ASM_OP3(shrdw, 0x0fac, 0, OPC_MODRM | OPC_WLQ, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) -ALT(DEF_ASM_OP3(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WLQ, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) -ALT(DEF_ASM_OP2(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WLQ, OPT_REGW, OPT_EA | OPT_REGW)) - -ALT(DEF_ASM_OP1(call, 0xff, 2, OPC_MODRM, OPT_INDIR)) -ALT(DEF_ASM_OP1(call, 0xe8, 0, OPC_JMP, OPT_ADDR)) -ALT(DEF_ASM_OP1(jmp, 0xff, 4, OPC_MODRM, OPT_INDIR)) -ALT(DEF_ASM_OP1(jmp, 0xff, 0, OPC_JMP | OPC_WL, OPT_REGW)) -ALT(DEF_ASM_OP1(jmp, 0xeb, 0, OPC_SHORTJMP | OPC_JMP, OPT_ADDR)) - -ALT(DEF_ASM_OP1(lcall, 0xff, 3, 0, OPT_EA)) -ALT(DEF_ASM_OP1(ljmp, 0xff, 5, 0, OPT_EA)) - -ALT(DEF_ASM_OP1(int, 0xcd, 0, 0, OPT_IM8)) -ALT(DEF_ASM_OP1(seto, 0x0f90, 0, OPC_MODRM | OPC_TEST, OPT_REG8 | OPT_EA)) -ALT(DEF_ASM_OP1(setob, 0x0f90, 0, OPC_MODRM | OPC_TEST, OPT_REG8 | OPT_EA)) - DEF_ASM_OP2(enter, 0xc8, 0, 0, OPT_IM16, OPT_IM8) - DEF_ASM_OP0(leave, 0xc9) - DEF_ASM_OP0(ret, 0xc3) -ALT(DEF_ASM_OP1(ret, 0xc2, 0, 0, OPT_IM16)) - DEF_ASM_OP0(lret, 0xcb) -ALT(DEF_ASM_OP1(lret, 0xca, 0, 0, OPT_IM16)) - -ALT(DEF_ASM_OP1(jo, 0x70, 0, OPC_SHORTJMP | OPC_JMP | OPC_TEST, OPT_ADDR)) - DEF_ASM_OP1(loopne, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) - DEF_ASM_OP1(loopnz, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) - DEF_ASM_OP1(loope, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) - DEF_ASM_OP1(loopz, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) - DEF_ASM_OP1(loop, 0xe2, 0, OPC_SHORTJMP, OPT_ADDR) - DEF_ASM_OP1(jecxz, 0xe3, 0, OPC_SHORTJMP, OPT_ADDR) - - /* float */ - /* specific fcomp handling */ -ALT(DEF_ASM_OP0L(fcomp, 0xd8d9, 0, 0)) - -ALT(DEF_ASM_OP1(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST)) -ALT(DEF_ASM_OP2(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) -ALT(DEF_ASM_OP0L(fadd, 0xdec1, 0, OPC_FARITH)) -ALT(DEF_ASM_OP1(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST)) -ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) -ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST0, OPT_ST)) -ALT(DEF_ASM_OP0L(faddp, 0xdec1, 0, OPC_FARITH)) -ALT(DEF_ASM_OP1(fadds, 0xd8, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) -ALT(DEF_ASM_OP1(fiaddl, 0xda, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) -ALT(DEF_ASM_OP1(faddl, 0xdc, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) -ALT(DEF_ASM_OP1(fiadds, 0xde, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) - - DEF_ASM_OP0(fucompp, 0xdae9) - DEF_ASM_OP0(ftst, 0xd9e4) - DEF_ASM_OP0(fxam, 0xd9e5) - DEF_ASM_OP0(fld1, 0xd9e8) - DEF_ASM_OP0(fldl2t, 0xd9e9) - DEF_ASM_OP0(fldl2e, 0xd9ea) - DEF_ASM_OP0(fldpi, 0xd9eb) - DEF_ASM_OP0(fldlg2, 0xd9ec) - DEF_ASM_OP0(fldln2, 0xd9ed) - DEF_ASM_OP0(fldz, 0xd9ee) - - DEF_ASM_OP0(f2xm1, 0xd9f0) - DEF_ASM_OP0(fyl2x, 0xd9f1) - DEF_ASM_OP0(fptan, 0xd9f2) - DEF_ASM_OP0(fpatan, 0xd9f3) - DEF_ASM_OP0(fxtract, 0xd9f4) - DEF_ASM_OP0(fprem1, 0xd9f5) - DEF_ASM_OP0(fdecstp, 0xd9f6) - DEF_ASM_OP0(fincstp, 0xd9f7) - DEF_ASM_OP0(fprem, 0xd9f8) - DEF_ASM_OP0(fyl2xp1, 0xd9f9) - DEF_ASM_OP0(fsqrt, 0xd9fa) - DEF_ASM_OP0(fsincos, 0xd9fb) - DEF_ASM_OP0(frndint, 0xd9fc) - DEF_ASM_OP0(fscale, 0xd9fd) - DEF_ASM_OP0(fsin, 0xd9fe) - DEF_ASM_OP0(fcos, 0xd9ff) - DEF_ASM_OP0(fchs, 0xd9e0) - DEF_ASM_OP0(fabs, 0xd9e1) - DEF_ASM_OP0(fninit, 0xdbe3) - DEF_ASM_OP0(fnclex, 0xdbe2) - DEF_ASM_OP0(fnop, 0xd9d0) - DEF_ASM_OP0(fwait, 0x9b) - - /* fp load */ - DEF_ASM_OP1(fld, 0xd9c0, 0, OPC_REG, OPT_ST) - DEF_ASM_OP1(fldl, 0xd9c0, 0, OPC_REG, OPT_ST) - DEF_ASM_OP1(flds, 0xd9, 0, OPC_MODRM, OPT_EA) -ALT(DEF_ASM_OP1(fldl, 0xdd, 0, OPC_MODRM, OPT_EA)) - DEF_ASM_OP1(fildl, 0xdb, 0, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fildq, 0xdf, 5, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fildll, 0xdf, 5, OPC_MODRM,OPT_EA) - DEF_ASM_OP1(fldt, 0xdb, 5, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fbld, 0xdf, 4, OPC_MODRM, OPT_EA) - - /* fp store */ - DEF_ASM_OP1(fst, 0xddd0, 0, OPC_REG, OPT_ST) - DEF_ASM_OP1(fstl, 0xddd0, 0, OPC_REG, OPT_ST) - DEF_ASM_OP1(fsts, 0xd9, 2, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fstps, 0xd9, 3, OPC_MODRM, OPT_EA) -ALT(DEF_ASM_OP1(fstl, 0xdd, 2, OPC_MODRM, OPT_EA)) - DEF_ASM_OP1(fstpl, 0xdd, 3, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fist, 0xdf, 2, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fistp, 0xdf, 3, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fistl, 0xdb, 2, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fistpl, 0xdb, 3, OPC_MODRM, OPT_EA) - - DEF_ASM_OP1(fstp, 0xddd8, 0, OPC_REG, OPT_ST) - DEF_ASM_OP1(fistpq, 0xdf, 7, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fistpll, 0xdf, 7, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fstpt, 0xdb, 7, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(fbstp, 0xdf, 6, OPC_MODRM, OPT_EA) - - /* exchange */ - DEF_ASM_OP0(fxch, 0xd9c9) -ALT(DEF_ASM_OP1(fxch, 0xd9c8, 0, OPC_REG, OPT_ST)) - - /* misc FPU */ - DEF_ASM_OP1(fucom, 0xdde0, 0, OPC_REG, OPT_ST ) - DEF_ASM_OP1(fucomp, 0xdde8, 0, OPC_REG, OPT_ST ) - - DEF_ASM_OP0L(finit, 0xdbe3, 0, OPC_FWAIT) - DEF_ASM_OP1(fldcw, 0xd9, 5, OPC_MODRM, OPT_EA ) - DEF_ASM_OP1(fnstcw, 0xd9, 7, OPC_MODRM, OPT_EA ) - DEF_ASM_OP1(fstcw, 0xd9, 7, OPC_MODRM | OPC_FWAIT, OPT_EA ) - DEF_ASM_OP0(fnstsw, 0xdfe0) -ALT(DEF_ASM_OP1(fnstsw, 0xdfe0, 0, 0, OPT_EAX )) -ALT(DEF_ASM_OP1(fnstsw, 0xdd, 7, OPC_MODRM, OPT_EA )) - DEF_ASM_OP1(fstsw, 0xdfe0, 0, OPC_FWAIT, OPT_EAX ) -ALT(DEF_ASM_OP0L(fstsw, 0xdfe0, 0, OPC_FWAIT)) -ALT(DEF_ASM_OP1(fstsw, 0xdd, 7, OPC_MODRM | OPC_FWAIT, OPT_EA )) - DEF_ASM_OP0L(fclex, 0xdbe2, 0, OPC_FWAIT) - DEF_ASM_OP1(fnstenv, 0xd9, 6, OPC_MODRM, OPT_EA ) - DEF_ASM_OP1(fstenv, 0xd9, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) - DEF_ASM_OP1(fldenv, 0xd9, 4, OPC_MODRM, OPT_EA ) - DEF_ASM_OP1(fnsave, 0xdd, 6, OPC_MODRM, OPT_EA ) - DEF_ASM_OP1(fsave, 0xdd, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) - DEF_ASM_OP1(frstor, 0xdd, 4, OPC_MODRM, OPT_EA ) - DEF_ASM_OP1(ffree, 0xddc0, 4, OPC_REG, OPT_ST ) - DEF_ASM_OP1(ffreep, 0xdfc0, 4, OPC_REG, OPT_ST ) - DEF_ASM_OP1(fxsave, 0x0fae, 0, OPC_MODRM, OPT_EA ) - DEF_ASM_OP1(fxrstor, 0x0fae, 1, OPC_MODRM, OPT_EA ) - - /* segments */ - DEF_ASM_OP2(arpl, 0x63, 0, OPC_MODRM, OPT_REG16, OPT_REG16 | OPT_EA) - DEF_ASM_OP2(lar, 0x0f02, 0, OPC_MODRM, OPT_REG32 | OPT_EA, OPT_REG32) - DEF_ASM_OP1(lgdt, 0x0f01, 2, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(lidt, 0x0f01, 3, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(lldt, 0x0f00, 2, OPC_MODRM, OPT_EA | OPT_REG) - DEF_ASM_OP1(lmsw, 0x0f01, 6, OPC_MODRM, OPT_EA | OPT_REG) -ALT(DEF_ASM_OP2(lslw, 0x0f03, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_REG)) - DEF_ASM_OP1(ltr, 0x0f00, 3, OPC_MODRM, OPT_EA | OPT_REG) - DEF_ASM_OP1(sgdt, 0x0f01, 0, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(sidt, 0x0f01, 1, OPC_MODRM, OPT_EA) - DEF_ASM_OP1(sldt, 0x0f00, 0, OPC_MODRM, OPT_REG | OPT_EA) - DEF_ASM_OP1(smsw, 0x0f01, 4, OPC_MODRM, OPT_REG | OPT_EA) - DEF_ASM_OP1(str, 0x0f00, 1, OPC_MODRM, OPT_REG16| OPT_EA) - DEF_ASM_OP1(verr, 0x0f00, 4, OPC_MODRM, OPT_REG | OPT_EA) - DEF_ASM_OP1(verw, 0x0f00, 5, OPC_MODRM, OPT_REG | OPT_EA) - - /* 486 */ - DEF_ASM_OP1(bswap, 0x0fc8, 0, OPC_REG, OPT_REG32 ) -ALT(DEF_ASM_OP2(xaddb, 0x0fc0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) -ALT(DEF_ASM_OP2(cmpxchgb, 0x0fb0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) - DEF_ASM_OP1(invlpg, 0x0f01, 7, OPC_MODRM, OPT_EA ) - - DEF_ASM_OP2(boundl, 0x62, 0, OPC_MODRM, OPT_REG32, OPT_EA) - DEF_ASM_OP2(boundw, 0x62, 0, OPC_MODRM | OPC_D16, OPT_REG16, OPT_EA) - - /* pentium */ - DEF_ASM_OP1(cmpxchg8b, 0x0fc7, 1, OPC_MODRM, OPT_EA ) - - /* pentium pro */ -ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(cmovno, 0x0f41, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(cmovc, 0x0f42, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(cmovnc, 0x0f43, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(cmovz, 0x0f44, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(cmovnz, 0x0f45, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(cmovna, 0x0f46, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) -ALT(DEF_ASM_OP2(cmova, 0x0f47, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) - - DEF_ASM_OP2(fcmovb, 0xdac0, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcmove, 0xdac8, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcmovbe, 0xdad0, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcmovu, 0xdad8, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcmovnb, 0xdbc0, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcmovne, 0xdbc8, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcmovnbe, 0xdbd0, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcmovnu, 0xdbd8, 0, OPC_REG, OPT_ST, OPT_ST0 ) - - DEF_ASM_OP2(fucomi, 0xdbe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcomi, 0xdbf0, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fucomip, 0xdfe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) - DEF_ASM_OP2(fcomip, 0xdff0, 0, OPC_REG, OPT_ST, OPT_ST0 ) - - /* mmx */ - DEF_ASM_OP0(emms, 0x0f77) /* must be last OP0 */ - DEF_ASM_OP2(movd, 0x0f6e, 0, OPC_MODRM, OPT_EA | OPT_REG32, OPT_MMX ) -ALT(DEF_ASM_OP2(movd, 0x0f7e, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_REG32 )) -ALT(DEF_ASM_OP2(movq, 0x0f6f, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX )) -ALT(DEF_ASM_OP2(movq, 0x0f7f, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_MMX )) - DEF_ASM_OP2(packssdw, 0x0f6b, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(packsswb, 0x0f63, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(packuswb, 0x0f67, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(paddb, 0x0ffc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(paddw, 0x0ffd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(paddd, 0x0ffe, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(paddsb, 0x0fec, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(paddsw, 0x0fed, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(paddusb, 0x0fdc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(paddusw, 0x0fdd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pand, 0x0fdb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pandn, 0x0fdf, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pcmpeqb, 0x0f74, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pcmpeqw, 0x0f75, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pcmpeqd, 0x0f76, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pcmpgtb, 0x0f64, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pcmpgtw, 0x0f65, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pcmpgtd, 0x0f66, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pmaddwd, 0x0ff5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pmulhw, 0x0fe5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pmullw, 0x0fd5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(por, 0x0feb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(psllw, 0x0ff1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) -ALT(DEF_ASM_OP2(psllw, 0x0f71, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) - DEF_ASM_OP2(pslld, 0x0ff2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) -ALT(DEF_ASM_OP2(pslld, 0x0f72, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) - DEF_ASM_OP2(psllq, 0x0ff3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) -ALT(DEF_ASM_OP2(psllq, 0x0f73, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) - DEF_ASM_OP2(psraw, 0x0fe1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) -ALT(DEF_ASM_OP2(psraw, 0x0f71, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) - DEF_ASM_OP2(psrad, 0x0fe2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) -ALT(DEF_ASM_OP2(psrad, 0x0f72, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) - DEF_ASM_OP2(psrlw, 0x0fd1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) -ALT(DEF_ASM_OP2(psrlw, 0x0f71, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) - DEF_ASM_OP2(psrld, 0x0fd2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) -ALT(DEF_ASM_OP2(psrld, 0x0f72, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) - DEF_ASM_OP2(psrlq, 0x0fd3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) -ALT(DEF_ASM_OP2(psrlq, 0x0f73, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) - DEF_ASM_OP2(psubb, 0x0ff8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(psubw, 0x0ff9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(psubd, 0x0ffa, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(psubsb, 0x0fe8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(psubsw, 0x0fe9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(psubusb, 0x0fd8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(psubusw, 0x0fd9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(punpckhbw, 0x0f68, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(punpckhwd, 0x0f69, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(punpckhdq, 0x0f6a, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(punpcklbw, 0x0f60, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(punpcklwd, 0x0f61, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(punpckldq, 0x0f62, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) - DEF_ASM_OP2(pxor, 0x0fef, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) /* must be last !OP0 */ - -#undef ALT -#undef DEF_ASM_OP0 -#undef DEF_ASM_OP0L -#undef DEF_ASM_OP1 -#undef DEF_ASM_OP2 -#undef DEF_ASM_OP3 diff --git a/src/x86/x86_64-gen.c b/src/x86/x86_64-gen.c deleted file mode 100644 index ab2eb6a..0000000 --- a/src/x86/x86_64-gen.c +++ /dev/null @@ -1,2359 +0,0 @@ -/* - * x86-64 code generator for TCC - * - * Copyright (c) 2008 Shinichiro Hamaji - * - * Based on i386-gen.c by Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifdef TARGET_DEFS_ONLY - -/* number of available registers */ -#define NB_REGS 25 -#define NB_ASM_REGS 8 -#define REG_ARGS_MAX 2 /* at most 2 registers used for each argument */ - -#ifdef TCC_TARGET_PE -typedef int RegArgs; -#else -/* This struct stores the struct offsets at which %rax, %rdx, %xmm0, and - * %xmm1 are to be stored. - * - * struct { long long l; double x; }: ireg = { 0, -1 } freg = { 8, -1 } - * struct { double x; long long l; }: ireg = { 8, -1 } freg = { 0, -1 } - * struct { long long l; long long l2; }: ireg = { 0, 8 } freg = { -1, -1 } - * struct { double x; double x2; }: ireg = { -1, -1 } freg = { 0, 8 } - */ -typedef struct { - int ireg[REG_ARGS_MAX]; - int freg[REG_ARGS_MAX]; -} RegArgs; -#endif - -/* a register can belong to several classes. The classes must be - sorted from more general to more precise (see gv2() code which does - assumptions on it). */ -#define RC_INT 0x0001 /* generic integer register */ -#define RC_FLOAT 0x0002 /* generic float register */ -#define RC_RAX 0x0004 -#define RC_RCX 0x0008 -#define RC_RDX 0x0010 -#define RC_ST0 0x0080 /* only for long double */ -#define RC_R8 0x0100 -#define RC_R9 0x0200 -#define RC_R10 0x0400 -#define RC_R11 0x0800 -#define RC_XMM0 0x1000 -#define RC_XMM1 0x2000 -#define RC_XMM2 0x4000 -#define RC_XMM3 0x8000 -#define RC_XMM4 0x10000 -#define RC_XMM5 0x20000 -#define RC_XMM6 0x40000 -#define RC_XMM7 0x80000 -#define RC_IRET RC_RAX /* function return: integer register */ -#define RC_LRET RC_RDX /* function return: second integer register */ -#define RC_FRET RC_XMM0 /* function return: float register */ -#define RC_QRET RC_XMM1 /* function return: second float register */ - -/* pretty names for the registers */ -enum { - TREG_RAX = 0, - TREG_RCX = 1, - TREG_RDX = 2, - TREG_RSP = 4, - TREG_RSI = 6, - TREG_RDI = 7, - - TREG_R8 = 8, - TREG_R9 = 9, - TREG_R10 = 10, - TREG_R11 = 11, - - TREG_XMM0 = 16, - TREG_XMM1 = 17, - TREG_XMM2 = 18, - TREG_XMM3 = 19, - TREG_XMM4 = 20, - TREG_XMM5 = 21, - TREG_XMM6 = 22, - TREG_XMM7 = 23, - - TREG_ST0 = 24, - - TREG_MEM = 0x20, -}; - -#define REX_BASE(reg) (((reg) >> 3) & 1) -#define REG_VALUE(reg) ((reg) & 7) - -/* return registers for function */ -#define REG_IRET TREG_RAX /* single word int return register */ -#define REG_LRET TREG_RDX /* second word return register (for long long) */ -#define REG_FRET TREG_XMM0 /* float return register */ -#define REG_QRET TREG_XMM1 /* second float return register */ - -/* defined if function parameters must be evaluated in reverse order */ -#define INVERT_FUNC_PARAMS - -/* pointer size, in bytes */ -#define PTR_SIZE 8 - -/* long double size and alignment, in bytes */ -#define LDOUBLE_SIZE 16 -#define LDOUBLE_ALIGN 16 -/* maximum alignment (for aligned attribute support) */ -#define MAX_ALIGN 16 - -/******************************************************/ -/* ELF defines */ - -#define EM_TCC_TARGET EM_X86_64 - -/* relocation type for 32 bit data relocation */ -#define R_DATA_32 R_X86_64_32 -#define R_DATA_PTR R_X86_64_64 -#define R_JMP_SLOT R_X86_64_JUMP_SLOT -#define R_COPY R_X86_64_COPY - -#define ELF_START_ADDR 0x400000 -#define ELF_PAGE_SIZE 0x200000 - -/******************************************************/ -#else /* ! TARGET_DEFS_ONLY */ -/******************************************************/ -#include "../tcc.h" -#include - -ST_DATA const int reg_classes[NB_REGS] = { - /* eax */ RC_INT | RC_RAX, - /* ecx */ RC_INT | RC_RCX, - /* edx */ RC_INT | RC_RDX, - 0, - 0, - 0, - 0, - 0, - RC_R8, - RC_R9, - RC_R10, - RC_R11, - 0, - 0, - 0, - 0, - /* xmm0 */ RC_FLOAT | RC_XMM0, - /* xmm1 */ RC_FLOAT | RC_XMM1, - /* xmm2 */ RC_FLOAT | RC_XMM2, - /* xmm3 */ RC_FLOAT | RC_XMM3, - /* xmm4 */ RC_FLOAT | RC_XMM4, - /* xmm5 */ RC_FLOAT | RC_XMM5, - /* xmm6 an xmm7 are included so gv() can be used on them, - but they are not tagged with RC_FLOAT because they are - callee saved on Windows */ - RC_XMM6, - RC_XMM7, - /* st0 */ RC_ST0 -}; - -static unsigned long func_sub_sp_offset; -static int func_ret_sub; - -/* XXX: make it faster ? */ -void g(int c) -{ - int ind1; - ind1 = ind + 1; - if (ind1 > cur_text_section->data_allocated) - section_realloc(cur_text_section, ind1); - cur_text_section->data[ind] = c; - ind = ind1; -} - -void o(unsigned int c) -{ - while (c) { - g(c); - c = c >> 8; - } -} - -void gen_le16(int v) -{ - g(v); - g(v >> 8); -} - -void gen_le32(int c) -{ - g(c); - g(c >> 8); - g(c >> 16); - g(c >> 24); -} - -void gen_le64(int64_t c) -{ - g(c); - g(c >> 8); - g(c >> 16); - g(c >> 24); - g(c >> 32); - g(c >> 40); - g(c >> 48); - g(c >> 56); -} - -void orex(int ll, int r, int r2, int b) -{ - if ((r & VT_VALMASK) >= VT_CONST) - r = 0; - if ((r2 & VT_VALMASK) >= VT_CONST) - r2 = 0; - if (ll || REX_BASE(r) || REX_BASE(r2)) - o(0x40 | REX_BASE(r) | (REX_BASE(r2) << 2) | (ll << 3)); - o(b); -} - -/* output a symbol and patch all calls to it */ -void gsym_addr(int t, int a) -{ - int n, *ptr; - while (t) { - ptr = (int *)(cur_text_section->data + t); - n = *ptr; /* next value */ - *ptr = a - t - 4; - t = n; - } -} - -void gsym(int t) -{ - gsym_addr(t, ind); -} - -/* psym is used to put an instruction with a data field which is a - reference to a symbol. It is in fact the same as oad ! */ -#define psym oad - -static int is64_type(int t) -{ - return ((t & VT_BTYPE) == VT_PTR || - (t & VT_BTYPE) == VT_FUNC || - (t & VT_BTYPE) == VT_LLONG); -} - -/* instruction + 4 bytes data. Return the address of the data */ -ST_FUNC int oad(int c, int s) -{ - int ind1; - - o(c); - ind1 = ind + 4; - if (ind1 > cur_text_section->data_allocated) - section_realloc(cur_text_section, ind1); - *(int *)(cur_text_section->data + ind) = s; - s = ind; - ind = ind1; - return s; -} - -ST_FUNC void gen_addr32(int r, Sym *sym, int c) -{ - if (r & VT_SYM) - greloc(cur_text_section, sym, ind, R_X86_64_32); - gen_le32(c); -} - -/* output constant with relocation if 'r & VT_SYM' is true */ -ST_FUNC void gen_addr64(int r, Sym *sym, int64_t c) -{ - if (r & VT_SYM) - greloc(cur_text_section, sym, ind, R_X86_64_64); - gen_le64(c); -} - -/* output constant with relocation if 'r & VT_SYM' is true */ -ST_FUNC void gen_addrpc32(int r, Sym *sym, int c) -{ - if (r & VT_SYM) - greloc(cur_text_section, sym, ind, R_X86_64_PC32); - gen_le32(c-4); -} - -/* output got address with relocation */ -static void gen_gotpcrel(int r, Sym *sym, int c) -{ -#ifndef TCC_TARGET_PE - Section *sr; - ElfW(Rela) *rel; - greloc(cur_text_section, sym, ind, R_X86_64_GOTPCREL); - sr = cur_text_section->reloc; - rel = (ElfW(Rela) *)(sr->data + sr->data_offset - sizeof(ElfW(Rela))); - rel->r_addend = -4; -#else - tcc_error("internal error: no GOT on PE: %s %x %x | %02x %02x %02x\n", - get_tok_str(sym->v, NULL), c, r, - cur_text_section->data[ind-3], - cur_text_section->data[ind-2], - cur_text_section->data[ind-1] - ); - greloc(cur_text_section, sym, ind, R_X86_64_PC32); -#endif - gen_le32(0); - if (c) { - /* we use add c, %xxx for displacement */ - orex(1, r, 0, 0x81); - o(0xc0 + REG_VALUE(r)); - gen_le32(c); - } -} - -static void gen_modrm_impl(int op_reg, int r, Sym *sym, int c, int is_got) -{ - op_reg = REG_VALUE(op_reg) << 3; - if ((r & VT_VALMASK) == VT_CONST) { - /* constant memory reference */ - o(0x05 | op_reg); - if (is_got) { - gen_gotpcrel(r, sym, c); - } else { - gen_addrpc32(r, sym, c); - } - } else if ((r & VT_VALMASK) == VT_LOCAL) { - /* currently, we use only ebp as base */ - if (c == (char)c) { - /* short reference */ - o(0x45 | op_reg); - g(c); - } else { - oad(0x85 | op_reg, c); - } - } else if ((r & VT_VALMASK) >= TREG_MEM) { - if (c) { - g(0x80 | op_reg | REG_VALUE(r)); - gen_le32(c); - } else { - g(0x00 | op_reg | REG_VALUE(r)); - } - } else { - g(0x00 | op_reg | REG_VALUE(r)); - } -} - -/* generate a modrm reference. 'op_reg' contains the addtionnal 3 - opcode bits */ -static void gen_modrm(int op_reg, int r, Sym *sym, int c) -{ - gen_modrm_impl(op_reg, r, sym, c, 0); -} - -/* generate a modrm reference. 'op_reg' contains the addtionnal 3 - opcode bits */ -static void gen_modrm64(int opcode, int op_reg, int r, Sym *sym, int c) -{ - int is_got; - is_got = (op_reg & TREG_MEM) && !(sym->type.t & VT_STATIC); - orex(1, r, op_reg, opcode); - gen_modrm_impl(op_reg, r, sym, c, is_got); -} - - -/* load 'r' from value 'sv' */ -void load(int r, SValue *sv) -{ - int v, t, ft, fc, fr; - SValue v1; - -#ifdef TCC_TARGET_PE - SValue v2; - sv = pe_getimport(sv, &v2); -#endif - - fr = sv->r; - ft = sv->type.t & ~VT_DEFSIGN; - fc = sv->c.ul; - -#ifndef TCC_TARGET_PE - /* we use indirect access via got */ - if ((fr & VT_VALMASK) == VT_CONST && (fr & VT_SYM) && - (fr & VT_LVAL) && !(sv->sym->type.t & VT_STATIC)) { - /* use the result register as a temporal register */ - int tr = r | TREG_MEM; - if (is_float(ft)) { - /* we cannot use float registers as a temporal register */ - tr = get_reg(RC_INT) | TREG_MEM; - } - gen_modrm64(0x8b, tr, fr, sv->sym, 0); - - /* load from the temporal register */ - fr = tr | VT_LVAL; - } -#endif - - v = fr & VT_VALMASK; - if (fr & VT_LVAL) { - int b, ll; - if (v == VT_LLOCAL) { - v1.type.t = VT_PTR; - v1.r = VT_LOCAL | VT_LVAL; - v1.c.ul = fc; - fr = r; - if (!(reg_classes[fr] & (RC_INT|RC_R11))) - fr = get_reg(RC_INT); - load(fr, &v1); - } - ll = 0; - if ((ft & VT_BTYPE) == VT_FLOAT) { - b = 0x6e0f66; - r = REG_VALUE(r); /* movd */ - } else if ((ft & VT_BTYPE) == VT_DOUBLE) { - b = 0x7e0ff3; /* movq */ - r = REG_VALUE(r); - } else if ((ft & VT_BTYPE) == VT_LDOUBLE) { - b = 0xdb, r = 5; /* fldt */ - } else if ((ft & VT_TYPE) == VT_BYTE || (ft & VT_TYPE) == VT_BOOL) { - b = 0xbe0f; /* movsbl */ - } else if ((ft & VT_TYPE) == (VT_BYTE | VT_UNSIGNED)) { - b = 0xb60f; /* movzbl */ - } else if ((ft & VT_TYPE) == VT_SHORT) { - b = 0xbf0f; /* movswl */ - } else if ((ft & VT_TYPE) == (VT_SHORT | VT_UNSIGNED)) { - b = 0xb70f; /* movzwl */ - } else { - assert(((ft & VT_BTYPE) == VT_INT) || ((ft & VT_BTYPE) == VT_LLONG) - || ((ft & VT_BTYPE) == VT_PTR) || ((ft & VT_BTYPE) == VT_ENUM) - || ((ft & VT_BTYPE) == VT_FUNC)); - ll = is64_type(ft); - b = 0x8b; - } - if (ll) { - gen_modrm64(b, r, fr, sv->sym, fc); - } else { - orex(ll, fr, r, b); - gen_modrm(r, fr, sv->sym, fc); - } - } else { - if (v == VT_CONST) { - if (fr & VT_SYM) { -#ifdef TCC_TARGET_PE - orex(1,0,r,0x8d); - o(0x05 + REG_VALUE(r) * 8); /* lea xx(%rip), r */ - gen_addrpc32(fr, sv->sym, fc); -#else - if (sv->sym->type.t & VT_STATIC) { - orex(1,0,r,0x8d); - o(0x05 + REG_VALUE(r) * 8); /* lea xx(%rip), r */ - gen_addrpc32(fr, sv->sym, fc); - } else { - orex(1,0,r,0x8b); - o(0x05 + REG_VALUE(r) * 8); /* mov xx(%rip), r */ - gen_gotpcrel(r, sv->sym, fc); - } -#endif - } else if (is64_type(ft)) { - orex(1,r,0, 0xb8 + REG_VALUE(r)); /* mov $xx, r */ - gen_le64(sv->c.ull); - } else { - orex(0,r,0, 0xb8 + REG_VALUE(r)); /* mov $xx, r */ - gen_le32(fc); - } - } else if (v == VT_LOCAL) { - orex(1,0,r,0x8d); /* lea xxx(%ebp), r */ - gen_modrm(r, VT_LOCAL, sv->sym, fc); - } else if (v == VT_CMP) { - orex(0,r,0,0); - if ((fc & ~0x100) != TOK_NE) - oad(0xb8 + REG_VALUE(r), 0); /* mov $0, r */ - else - oad(0xb8 + REG_VALUE(r), 1); /* mov $1, r */ - if (fc & 0x100) { - /* This was a float compare. If the parity bit is - * set the result was unordered, meaning false for everything - * except TOK_NE, and true for TOK_NE. */ - fc &= ~0x100; - o(0x037a + (REX_BASE(r) << 8)); - } - orex(0,r,0, 0x0f); /* setxx %br */ - o(fc); - o(0xc0 + REG_VALUE(r)); - } else if (v == VT_JMP || v == VT_JMPI) { - t = v & 1; - orex(0,r,0,0); - oad(0xb8 + REG_VALUE(r), t); /* mov $1, r */ - o(0x05eb + (REX_BASE(r) << 8)); /* jmp after */ - gsym(fc); - orex(0,r,0,0); - oad(0xb8 + REG_VALUE(r), t ^ 1); /* mov $0, r */ - } else if (v != r) { - if ((r >= TREG_XMM0) && (r <= TREG_XMM7)) { - if (v == TREG_ST0) { - /* gen_cvt_ftof(VT_DOUBLE); */ - o(0xf0245cdd); /* fstpl -0x10(%rsp) */ - /* movsd -0x10(%rsp),%xmmN */ - o(0x100ff2); - o(0x44 + REG_VALUE(r)*8); /* %xmmN */ - o(0xf024); - } else { - assert((v >= TREG_XMM0) && (v <= TREG_XMM7)); - if ((ft & VT_BTYPE) == VT_FLOAT) { - o(0x100ff3); - } else { - assert((ft & VT_BTYPE) == VT_DOUBLE); - o(0x100ff2); - } - o(0xc0 + REG_VALUE(v) + REG_VALUE(r)*8); - } - } else if (r == TREG_ST0) { - assert((v >= TREG_XMM0) && (v <= TREG_XMM7)); - /* gen_cvt_ftof(VT_LDOUBLE); */ - /* movsd %xmmN,-0x10(%rsp) */ - o(0x110ff2); - o(0x44 + REG_VALUE(r)*8); /* %xmmN */ - o(0xf024); - o(0xf02444dd); /* fldl -0x10(%rsp) */ - } else { - orex(1,r,v, 0x89); - o(0xc0 + REG_VALUE(r) + REG_VALUE(v) * 8); /* mov v, r */ - } - } - } -} - -/* store register 'r' in lvalue 'v' */ -void store(int r, SValue *v) -{ - int fr, bt, ft, fc; - int op64 = 0; - /* store the REX prefix in this variable when PIC is enabled */ - int pic = 0; - -#ifdef TCC_TARGET_PE - SValue v2; - v = pe_getimport(v, &v2); -#endif - - ft = v->type.t; - fc = v->c.ul; - fr = v->r & VT_VALMASK; - bt = ft & VT_BTYPE; - -#ifndef TCC_TARGET_PE - /* we need to access the variable via got */ - if (fr == VT_CONST && (v->r & VT_SYM)) { - /* mov xx(%rip), %r11 */ - o(0x1d8b4c); - gen_gotpcrel(TREG_R11, v->sym, v->c.ul); - pic = is64_type(bt) ? 0x49 : 0x41; - } -#endif - - /* XXX: incorrect if float reg to reg */ - if (bt == VT_FLOAT) { - o(0x66); - o(pic); - o(0x7e0f); /* movd */ - r = REG_VALUE(r); - } else if (bt == VT_DOUBLE) { - o(0x66); - o(pic); - o(0xd60f); /* movq */ - r = REG_VALUE(r); - } else if (bt == VT_LDOUBLE) { - o(0xc0d9); /* fld %st(0) */ - o(pic); - o(0xdb); /* fstpt */ - r = 7; - } else { - if (bt == VT_SHORT) - o(0x66); - o(pic); - if (bt == VT_BYTE || bt == VT_BOOL) - orex(0, 0, r, 0x88); - else if (is64_type(bt)) - op64 = 0x89; - else - orex(0, 0, r, 0x89); - } - if (pic) { - /* xxx r, (%r11) where xxx is mov, movq, fld, or etc */ - if (op64) - o(op64); - o(3 + (r << 3)); - } else if (op64) { - if (fr == VT_CONST || fr == VT_LOCAL || (v->r & VT_LVAL)) { - gen_modrm64(op64, r, v->r, v->sym, fc); - } else if (fr != r) { - /* XXX: don't we really come here? */ - abort(); - o(0xc0 + fr + r * 8); /* mov r, fr */ - } - } else { - if (fr == VT_CONST || fr == VT_LOCAL || (v->r & VT_LVAL)) { - gen_modrm(r, v->r, v->sym, fc); - } else if (fr != r) { - /* XXX: don't we really come here? */ - abort(); - o(0xc0 + fr + r * 8); /* mov r, fr */ - } - } -} - -/* 'is_jmp' is '1' if it is a jump */ -static void gcall_or_jmp(int is_jmp) -{ - int r; - if ((vtop->r & (VT_VALMASK | VT_LVAL)) == VT_CONST && - ((vtop->r & VT_SYM) || (vtop->c.ll-4) == (int)(vtop->c.ll-4))) { - /* constant case */ - if (vtop->r & VT_SYM) { - /* relocation case */ -#ifdef TCC_TARGET_PE - greloc(cur_text_section, vtop->sym, ind + 1, R_X86_64_PC32); -#else - greloc(cur_text_section, vtop->sym, ind + 1, R_X86_64_PLT32); -#endif - } else { - /* put an empty PC32 relocation */ - put_elf_reloc(symtab_section, cur_text_section, - ind + 1, R_X86_64_PC32, 0); - } - oad(0xe8 + is_jmp, vtop->c.ul - 4); /* call/jmp im */ - } else { - /* otherwise, indirect call */ - r = TREG_R11; - load(r, vtop); - o(0x41); /* REX */ - o(0xff); /* call/jmp *r */ - o(0xd0 + REG_VALUE(r) + (is_jmp << 4)); - } -} - -#if defined(CONFIG_TCC_BCHECK) -#ifndef TCC_TARGET_PE -static addr_t func_bound_offset; -static unsigned long func_bound_ind; -#endif - -static void gen_static_call(int v) -{ - Sym *sym = external_global_sym(v, &func_old_type, 0); - oad(0xe8, -4); - greloc(cur_text_section, sym, ind-4, R_X86_64_PC32); -} - -/* generate a bounded pointer addition */ -ST_FUNC void gen_bounded_ptr_add(void) -{ - /* save all temporary registers */ - save_regs(0); - - /* prepare fast x86_64 function call */ - gv(RC_RAX); - o(0xc68948); // mov %rax,%rsi ## second arg in %rsi, this must be size - vtop--; - - gv(RC_RAX); - o(0xc78948); // mov %rax,%rdi ## first arg in %rdi, this must be ptr - vtop--; - - /* do a fast function call */ - gen_static_call(TOK___bound_ptr_add); - - /* returned pointer is in rax */ - vtop++; - vtop->r = TREG_RAX | VT_BOUNDED; - - - /* relocation offset of the bounding function call point */ - vtop->c.ull = (cur_text_section->reloc->data_offset - sizeof(ElfW(Rela))); -} - -/* patch pointer addition in vtop so that pointer dereferencing is - also tested */ -ST_FUNC void gen_bounded_ptr_deref(void) -{ - addr_t func; - int size, align; - ElfW(Rela) *rel; - Sym *sym; - - size = 0; - /* XXX: put that code in generic part of tcc */ - if (!is_float(vtop->type.t)) { - if (vtop->r & VT_LVAL_BYTE) - size = 1; - else if (vtop->r & VT_LVAL_SHORT) - size = 2; - } - if (!size) - size = type_size(&vtop->type, &align); - switch(size) { - case 1: func = TOK___bound_ptr_indir1; break; - case 2: func = TOK___bound_ptr_indir2; break; - case 4: func = TOK___bound_ptr_indir4; break; - case 8: func = TOK___bound_ptr_indir8; break; - case 12: func = TOK___bound_ptr_indir12; break; - case 16: func = TOK___bound_ptr_indir16; break; - default: - tcc_error("unhandled size when dereferencing bounded pointer"); - func = 0; - break; - } - - sym = external_global_sym(func, &func_old_type, 0); - if (!sym->c) - put_extern_sym(sym, NULL, 0, 0); - - /* patch relocation */ - /* XXX: find a better solution ? */ - - rel = (ElfW(Rela) *)(cur_text_section->reloc->data + vtop->c.ull); - rel->r_info = ELF64_R_INFO(sym->c, ELF64_R_TYPE(rel->r_info)); -} -#endif - -#ifdef TCC_TARGET_PE - -#define REGN 4 -static const uint8_t arg_regs[REGN] = { - TREG_RCX, TREG_RDX, TREG_R8, TREG_R9 -}; - -/* Prepare arguments in R10 and R11 rather than RCX and RDX - because gv() will not ever use these */ -static int arg_prepare_reg(int idx) { - if (idx == 0 || idx == 1) - /* idx=0: r10, idx=1: r11 */ - return idx + 10; - else - return arg_regs[idx]; -} - -static int func_scratch; - -/* Generate function call. The function address is pushed first, then - all the parameters in call order. This functions pops all the - parameters and the function address. */ - -void gen_offs_sp(int b, int r, int d) -{ - orex(1,0,r & 0x100 ? 0 : r, b); - if (d == (char)d) { - o(0x2444 | (REG_VALUE(r) << 3)); - g(d); - } else { - o(0x2484 | (REG_VALUE(r) << 3)); - gen_le32(d); - } -} - -ST_FUNC int regargs_nregs(RegArgs *args) -{ - return *args; -} - -/* Return the number of registers needed to return the struct, or 0 if - returning via struct pointer. */ -ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *ret_align, int *regsize, RegArgs *args) -{ - int size, align; - *regsize = 8; - *ret_align = 1; // Never have to re-align return values for x86-64 - size = type_size(vt, &align); - ret->ref = NULL; - if (size > 8) { - *args = 0; - } else if (size > 4) { - ret->t = VT_LLONG; - *args = 1; - } else if (size > 2) { - ret->t = VT_INT; - *args = 1; - } else if (size > 1) { - ret->t = VT_SHORT; - *args = 1; - } else { - ret->t = VT_BYTE; - *args = 1; - } - - return *args != 0; -} - -static int is_sse_float(int t) { - int bt; - bt = t & VT_BTYPE; - return bt == VT_DOUBLE || bt == VT_FLOAT; -} - -int gfunc_arg_size(CType *type) { - int align; - if (type->t & (VT_ARRAY|VT_BITFIELD)) - return 8; - return type_size(type, &align); -} - -void gfunc_call(int nb_args) -{ - int size, r, args_size, i, d, bt, struct_size; - int arg; - - args_size = (nb_args < REGN ? REGN : nb_args) * PTR_SIZE; - arg = nb_args; - - /* for struct arguments, we need to call memcpy and the function - call breaks register passing arguments we are preparing. - So, we process arguments which will be passed by stack first. */ - struct_size = args_size; - for(i = 0; i < nb_args; i++) { - SValue *sv; - - --arg; - sv = &vtop[-i]; - bt = (sv->type.t & VT_BTYPE); - size = gfunc_arg_size(&sv->type); - - if (size <= 8) - continue; /* arguments smaller than 8 bytes passed in registers or on stack */ - - if (bt == VT_STRUCT) { - /* align to stack align size */ - size = (size + 15) & ~15; - /* generate structure store */ - r = get_reg(RC_INT); - gen_offs_sp(0x8d, r, struct_size); - struct_size += size; - - /* generate memcpy call */ - vset(&sv->type, r | VT_LVAL, 0); - vpushv(sv); - vstore(); - --vtop; - } else if (bt == VT_LDOUBLE) { - gv(RC_ST0); - gen_offs_sp(0xdb, 0x107, struct_size); - struct_size += 16; - } - } - - if (func_scratch < struct_size) - func_scratch = struct_size; - - arg = nb_args; - struct_size = args_size; - - for(i = 0; i < nb_args; i++) { - --arg; - bt = (vtop->type.t & VT_BTYPE); - - size = gfunc_arg_size(&vtop->type); - if (size > 8) { - /* align to stack align size */ - size = (size + 15) & ~15; - if (arg >= REGN) { - d = get_reg(RC_INT); - gen_offs_sp(0x8d, d, struct_size); - gen_offs_sp(0x89, d, arg*8); - } else { - d = arg_prepare_reg(arg); - gen_offs_sp(0x8d, d, struct_size); - } - struct_size += size; - } else { - if (is_sse_float(vtop->type.t)) { - gv(RC_XMM0); /* only use one float register */ - if (arg >= REGN) { - /* movq %xmm0, j*8(%rsp) */ - gen_offs_sp(0xd60f66, 0x100, arg*8); - } else { - /* movaps %xmm0, %xmmN */ - o(0x280f); - o(0xc0 + (arg << 3)); - d = arg_prepare_reg(arg); - /* mov %xmm0, %rxx */ - o(0x66); - orex(1,d,0, 0x7e0f); - o(0xc0 + REG_VALUE(d)); - } - } else { - if (bt == VT_STRUCT) { - vtop->type.ref = NULL; - vtop->type.t = size > 4 ? VT_LLONG : size > 2 ? VT_INT - : size > 1 ? VT_SHORT : VT_BYTE; - } - - r = gv(RC_INT); - if (arg >= REGN) { - gen_offs_sp(0x89, r, arg*8); - } else { - d = arg_prepare_reg(arg); - orex(1,d,r,0x89); /* mov */ - o(0xc0 + REG_VALUE(r) * 8 + REG_VALUE(d)); - } - } - } - vtop--; - } - save_regs(0); - - /* Copy R10 and R11 into RCX and RDX, respectively */ - if (nb_args > 0) { - o(0xd1894c); /* mov %r10, %rcx */ - if (nb_args > 1) { - o(0xda894c); /* mov %r11, %rdx */ - } - } - - gcall_or_jmp(0); - vtop--; -} - - -#define FUNC_PROLOG_SIZE 11 - -/* generate function prolog of type 't' */ -void gfunc_prolog(CType *func_type) -{ - int addr, reg_param_index, bt, size; - Sym *sym; - CType *type; - - func_ret_sub = 0; - func_scratch = 0; - loc = 0; - - addr = PTR_SIZE * 2; - ind += FUNC_PROLOG_SIZE; - func_sub_sp_offset = ind; - reg_param_index = 0; - - sym = func_type->ref; - - /* if the function returns a structure, then add an - implicit pointer parameter */ - func_vt = sym->type; - func_var = (sym->c == FUNC_ELLIPSIS); - size = gfunc_arg_size(&func_vt); - if (size > 8) { - gen_modrm64(0x89, arg_regs[reg_param_index], VT_LOCAL, NULL, addr); - func_vc = addr; - reg_param_index++; - addr += 8; - } - - /* define parameters */ - while ((sym = sym->next) != NULL) { - type = &sym->type; - bt = type->t & VT_BTYPE; - size = gfunc_arg_size(type); - if (size > 8) { - if (reg_param_index < REGN) { - gen_modrm64(0x89, arg_regs[reg_param_index], VT_LOCAL, NULL, addr); - } - sym_push(sym->v & ~SYM_FIELD, type, VT_LOCAL | VT_LVAL | VT_REF, addr); - } else { - if (reg_param_index < REGN) { - /* save arguments passed by register */ - if ((bt == VT_FLOAT) || (bt == VT_DOUBLE)) { - o(0xd60f66); /* movq */ - gen_modrm(reg_param_index, VT_LOCAL, NULL, addr); - } else { - gen_modrm64(0x89, arg_regs[reg_param_index], VT_LOCAL, NULL, addr); - } - } - sym_push(sym->v & ~SYM_FIELD, type, VT_LOCAL | VT_LVAL, addr); - } - addr += 8; - reg_param_index++; - } - - while (reg_param_index < REGN) { - if (func_type->ref->c == FUNC_ELLIPSIS) { - gen_modrm64(0x89, arg_regs[reg_param_index], VT_LOCAL, NULL, addr); - addr += 8; - } - reg_param_index++; - } -} - -/* generate function epilog */ -void gfunc_epilog(void) -{ - int v, saved_ind; - - o(0xc9); /* leave */ - if (func_ret_sub == 0) { - o(0xc3); /* ret */ - } else { - o(0xc2); /* ret n */ - g(func_ret_sub); - g(func_ret_sub >> 8); - } - - saved_ind = ind; - ind = func_sub_sp_offset - FUNC_PROLOG_SIZE; - /* align local size to word & save local variables */ - v = (func_scratch + -loc + 15) & -16; - - if (v >= 4096) { - Sym *sym = external_global_sym(TOK___chkstk, &func_old_type, 0); - oad(0xb8, v); /* mov stacksize, %eax */ - oad(0xe8, -4); /* call __chkstk, (does the stackframe too) */ - greloc(cur_text_section, sym, ind-4, R_X86_64_PC32); - o(0x90); /* fill for FUNC_PROLOG_SIZE = 11 bytes */ - } else { - o(0xe5894855); /* push %rbp, mov %rsp, %rbp */ - o(0xec8148); /* sub rsp, stacksize */ - gen_le32(v); - } - - cur_text_section->data_offset = saved_ind; - pe_add_unwind_data(ind, saved_ind, v); - ind = cur_text_section->data_offset; -} - -#else - -static void gadd_sp(int val) -{ - if (val == (char)val) { - o(0xc48348); - g(val); - } else { - oad(0xc48148, val); /* add $xxx, %rsp */ - } -} - -typedef enum X86_64_Mode { - x86_64_mode_none, - x86_64_mode_memory, - x86_64_mode_integer, - x86_64_mode_sse, - x86_64_mode_x87 -} X86_64_Mode; - -static X86_64_Mode classify_x86_64_merge(X86_64_Mode a, X86_64_Mode b) -{ - if (a == b) - return a; - else if (a == x86_64_mode_none) - return b; - else if (b == x86_64_mode_none) - return a; - else if ((a == x86_64_mode_memory) || (b == x86_64_mode_memory)) - return x86_64_mode_memory; - else if ((a == x86_64_mode_integer) || (b == x86_64_mode_integer)) - return x86_64_mode_integer; - else if ((a == x86_64_mode_x87) || (b == x86_64_mode_x87)) - return x86_64_mode_memory; - else - return x86_64_mode_sse; -} - -/* classify the x86 eightbytes from byte index start to byte index - * end, at offset offset from the root struct */ -static X86_64_Mode classify_x86_64_inner(CType *ty, int offset, int start, int end) -{ - X86_64_Mode mode; - Sym *f; - - switch (ty->t & VT_BTYPE) { - case VT_VOID: return x86_64_mode_none; - - case VT_INT: - case VT_BYTE: - case VT_SHORT: - case VT_LLONG: - case VT_BOOL: - case VT_PTR: - case VT_FUNC: - case VT_ENUM: return x86_64_mode_integer; - - case VT_FLOAT: - case VT_DOUBLE: return x86_64_mode_sse; - - case VT_LDOUBLE: return x86_64_mode_x87; - - case VT_STRUCT: - f = ty->ref; - - mode = x86_64_mode_none; - while ((f = f->next) != NULL) { - if (f->c + offset >= start && f->c + offset < end) - mode = classify_x86_64_merge(mode, classify_x86_64_inner(&f->type, f->c + offset, start, end)); - } - - return mode; - } - - assert(0); -} - -static X86_64_Mode classify_x86_64_arg_eightbyte(CType *ty, int offset) -{ - X86_64_Mode mode; - - assert((ty->t & VT_BTYPE) == VT_STRUCT); - - mode = classify_x86_64_inner(ty, 0, offset, offset + 8); - - return mode; -} - -static void regargs_init(RegArgs *args) -{ - int i; - for(i=0; iireg[i] = -1; - args->freg[i] = -1; - } -} - -static X86_64_Mode classify_x86_64_arg(CType *ty, CType *ret, int *psize, int *palign, RegArgs *args) -{ - X86_64_Mode mode = x86_64_mode_none; - int size, align, ret_t = 0; - int ireg = 0, freg = 0; - - if (args) - regargs_init(args); - - if (ty->t & (VT_BITFIELD|VT_ARRAY)) { - *psize = 8; - *palign = 8; - if (args) - args->ireg[ireg++] = 0; - ret_t = ty->t; - mode = x86_64_mode_integer; - } else { - size = type_size(ty, &align); - *psize = (size + 7) & ~7; - *palign = (align + 7) & ~7; - - if (size > 16) { - mode = x86_64_mode_memory; - } else { - int start; - - for(start=0; start < size; start += 8) { - if ((ty->t & VT_BTYPE) == VT_STRUCT) { - mode = classify_x86_64_arg_eightbyte(ty, start); - } else { - mode = classify_x86_64_inner(ty, 0, 0, size); - } - - if (mode == x86_64_mode_integer) { - if (args) - args->ireg[ireg++] = start; - ret_t = (size > 4) ? VT_LLONG : VT_INT; - } else if (mode == x86_64_mode_sse) { - if (args) - args->freg[freg++] = start; - ret_t = (size > 4) ? VT_DOUBLE : VT_FLOAT; - } else { - ret_t = VT_LDOUBLE; - } - } - } - } - - if (ret) { - ret->ref = NULL; - ret->t = ret_t; - } - - return mode; -} - -ST_FUNC int classify_x86_64_va_arg(CType *ty) -{ - /* This definition must be synced with stdarg.h */ - enum __va_arg_type { - __va_gen_reg, __va_float_reg, __va_stack - }; - int size, align; - X86_64_Mode mode = classify_x86_64_arg(ty, NULL, &size, &align, NULL); - switch (mode) { - default: return __va_stack; - case x86_64_mode_integer: return __va_gen_reg; - case x86_64_mode_sse: return __va_float_reg; - } -} - -static int regargs_iregs(RegArgs *args) -{ - int i; - int ret = 0; - for(i=0; iireg[i] != -1) - ret++; - } - - return ret; -} - -static int regargs_fregs(RegArgs *args) -{ - int i; - int ret = 0; - for(i=0; ifreg[i] != -1) - ret++; - } - - return ret; -} - -/* Count the total number of registers used by args */ -ST_FUNC int regargs_nregs(RegArgs *args) -{ - int i; - int ret = 0; - for(i=0; iireg[i] != -1) - ret++; - - if(args->freg[i] != -1) - ret++; - } - - return ret; -} - -ST_FUNC int gfunc_sret(CType *vt, int variadic, CType *ret, int *ret_align, int *regsize, RegArgs *args) -{ - int size, align; - X86_64_Mode mode; - *ret_align = 1; // Never have to re-align return values for x86-64 - *regsize = 8; - - mode = classify_x86_64_arg(vt, ret, &size, &align, args); - - return mode != x86_64_mode_memory && - mode != x86_64_mode_none; -} - -#define REGN 6 -static const uint8_t arg_regs[REGN] = { - TREG_RDI, TREG_RSI, TREG_RDX, TREG_RCX, TREG_R8, TREG_R9 -}; - -static int arg_prepare_reg(int idx) { - if (idx == 2 || idx == 3) - /* idx=2: r10, idx=3: r11 */ - return idx + 8; - else - return arg_regs[idx]; -} - -/* Generate function call. The function address is pushed first, then - all the parameters in call order. This functions pops all the - parameters and the function address. */ -void gfunc_call(int nb_args) -{ - X86_64_Mode mode; - CType type; - int size, align, r, args_size, stack_adjust, run_start, run_end, i; - int nb_reg_args = 0; - int nb_sse_args = 0; - int sse_reg = 0, gen_reg = 0; - RegArgs *reg_args = alloca(nb_args * sizeof *reg_args); - - /* calculate the number of integer/float register arguments */ - for(i = nb_args - 1; i >= 0; i--) { - int fregs, iregs; - mode = classify_x86_64_arg(&vtop[-i].type, NULL, &size, &align, ®_args[i]); - fregs = regargs_fregs(®_args[i]); - iregs = regargs_iregs(®_args[i]); - - nb_sse_args += fregs; - nb_reg_args += iregs; - - if (sse_reg + fregs > 8 || gen_reg + iregs > REGN) { - regargs_init(®_args[i]); - } else { - sse_reg += fregs; - gen_reg += iregs; - } - } - - /* arguments are collected in runs. Each run is a collection of 8-byte aligned arguments - and ended by a 16-byte aligned argument. This is because, from the point of view of - the callee, argument alignment is computed from the bottom up. */ - /* for struct arguments, we need to call memcpy and the function - call breaks register passing arguments we are preparing. - So, we process arguments which will be passed by stack first. */ - gen_reg = nb_reg_args; - sse_reg = nb_sse_args; - run_start = 0; - args_size = 0; - while (run_start != nb_args) { - int run_gen_reg = gen_reg, run_sse_reg = sse_reg; - - run_end = nb_args; - stack_adjust = 0; - for(i = run_start; (i < nb_args) && (run_end == nb_args); i++) { - int stack = regargs_nregs(®_args[i]) == 0; - classify_x86_64_arg(&vtop[-i].type, NULL, &size, &align, NULL); - - if (stack) { - if (align == 16) - run_end = i; - else - stack_adjust += size; - } - } - - gen_reg = run_gen_reg; - sse_reg = run_sse_reg; - - /* adjust stack to align SSE boundary */ - if (stack_adjust &= 15) { - /* fetch cpu flag before the following sub will change the value */ - if (vtop >= vstack && (vtop->r & VT_VALMASK) == VT_CMP) - gv(RC_INT); - - stack_adjust = 16 - stack_adjust; - o(0x48); - oad(0xec81, stack_adjust); /* sub $xxx, %rsp */ - args_size += stack_adjust; - } - - for(i = run_start; i < run_end;) { - int arg_stored = regargs_nregs(®_args[i]) == 0; - SValue tmp; - RegArgs args; - - if (!arg_stored) { - ++i; - continue; - } - - /* Swap argument to top, it will possibly be changed here, - and might use more temps. At the end of the loop we keep - in on the stack and swap it back to its original position - if it is a register. */ - tmp = vtop[0]; - vtop[0] = vtop[-i]; - vtop[-i] = tmp; - - classify_x86_64_arg(&vtop->type, NULL, &size, &align, &args); - - switch (vtop->type.t & VT_BTYPE) { - case VT_STRUCT: - /* allocate the necessary size on stack */ - o(0x48); - oad(0xec81, size); /* sub $xxx, %rsp */ - /* generate structure store */ - r = get_reg(RC_INT); - orex(1, r, 0, 0x89); /* mov %rsp, r */ - o(0xe0 + REG_VALUE(r)); - vset(&vtop->type, r | VT_LVAL, 0); - vswap(); - vstore(); - args_size += size; - break; - - case VT_LDOUBLE: - assert(0); - break; - - case VT_FLOAT: - case VT_DOUBLE: - r = gv(RC_FLOAT); - o(0x50); /* push $rax */ - /* movq %xmmN, (%rsp) */ - o(0xd60f66); - o(0x04 + REG_VALUE(r)*8); - o(0x24); - args_size += size; - break; - - default: - /* simple type */ - /* XXX: implicit cast ? */ - --gen_reg; - r = gv(RC_INT); - orex(0,r,0,0x50 + REG_VALUE(r)); /* push r */ - args_size += size; - break; - } - - /* And swap the argument back to its original position. */ - tmp = vtop[0]; - vtop[0] = vtop[-i]; - vtop[-i] = tmp; - - vrotb(i+1); - assert((vtop->type.t == tmp.type.t) && (vtop->r == tmp.r)); - vpop(); - memmove(reg_args + i, reg_args + i + 1, (nb_args - i - 1) * sizeof *reg_args); - --nb_args; - --run_end; - } - - /* handle 16 byte aligned arguments at end of run */ - run_start = i = run_end; - while (i < nb_args) { - /* Rotate argument to top since it will always be popped */ - mode = classify_x86_64_arg(&vtop[-i].type, NULL, &size, &align, NULL); - if (align != 16) - break; - - vrotb(i+1); - - if ((vtop->type.t & VT_BTYPE) == VT_LDOUBLE) { - gv(RC_ST0); - oad(0xec8148, size); /* sub $xxx, %rsp */ - o(0x7cdb); /* fstpt 0(%rsp) */ - g(0x24); - g(0x00); - args_size += size; - } else { - assert(mode == x86_64_mode_memory); - - /* allocate the necessary size on stack */ - o(0x48); - oad(0xec81, size); /* sub $xxx, %rsp */ - /* generate structure store */ - r = get_reg(RC_INT); - orex(1, r, 0, 0x89); /* mov %rsp, r */ - o(0xe0 + REG_VALUE(r)); - vset(&vtop->type, r | VT_LVAL, 0); - vswap(); - vstore(); - args_size += size; - } - - vpop(); - memmove(reg_args + i, reg_args + i + 1, (nb_args - i - 1) * sizeof *reg_args); - --nb_args; - } - } - - /* XXX This should be superfluous. */ - save_regs(0); /* save used temporary registers */ - - /* recalculate the number of register arguments there actually - * are. This is slow but more obviously correct than using the - * old counts. */ - gen_reg = 0; - sse_reg = 0; - for(i = 0; i < nb_args; i++) { - gen_reg += regargs_iregs(®_args[i]); - sse_reg += regargs_fregs(®_args[i]); - } - - /* then, we prepare register passing arguments. - Note that we cannot set RDX and RCX in this loop because gv() - may break these temporary registers. Let's use R10 and R11 - instead of them */ - assert(gen_reg <= REGN); - assert(sse_reg <= 8); - for(i = 0; i < nb_args; i++) { - RegArgs args; - - args = reg_args[i]; - - /* Alter stack entry type so that gv() knows how to treat it */ - if ((vtop->type.t & VT_BTYPE) == VT_STRUCT) { - int k; - - for(k=REG_ARGS_MAX-1; k>=0; k--) { - if (args.freg[k] == -1) - continue; - - sse_reg--; - assert(sse_reg >= 0); - - vdup(); - vtop->type.t = VT_DOUBLE; - vtop->c.ull += args.freg[k]; - gv(RC_XMM0 << sse_reg); - vpop(); - } - for(k=REG_ARGS_MAX-1; k>=0; k--) { - int d; - if (args.ireg[k] == -1) - continue; - - gen_reg--; - - vdup(); - vtop->type.t = VT_LLONG; - vtop->c.ull += args.ireg[k]; - r = gv(RC_INT); - d = arg_prepare_reg(gen_reg); - orex(1,d,r,0x89); /* mov */ - o(0xc0 + REG_VALUE(r) * 8 + REG_VALUE(d)); - vpop(); - } - } else { - /* XXX is it really necessary to set vtop->type? */ - classify_x86_64_arg(&vtop->type, &type, &size, &align, NULL); - vtop->type = type; - if (args.freg[0] != -1) { - --sse_reg; - /* Load directly to register */ - gv(RC_XMM0 << sse_reg); - } else if (args.ireg[0] != -1) { - int d; - /* simple type */ - /* XXX: implicit cast ? */ - gen_reg--; - r = gv(RC_INT); - d = arg_prepare_reg(gen_reg); - orex(1,d,r,0x89); /* mov */ - o(0xc0 + REG_VALUE(r) * 8 + REG_VALUE(d)); - } else { - assert(0); - } - } - vtop--; - } - assert(gen_reg == 0); - assert(sse_reg == 0); - - /* We shouldn't have many operands on the stack anymore, but the - call address itself is still there, and it might be in %eax - (or edx/ecx) currently, which the below writes would clobber. - So evict all remaining operands here. */ - save_regs(0); - - /* Copy R10 and R11 into RDX and RCX, respectively */ - if (nb_reg_args > 2) { - o(0xd2894c); /* mov %r10, %rdx */ - if (nb_reg_args > 3) { - o(0xd9894c); /* mov %r11, %rcx */ - } - } - - oad(0xb8, nb_sse_args < 8 ? nb_sse_args : 8); /* mov nb_sse_args, %eax */ - gcall_or_jmp(0); - if (args_size) - gadd_sp(args_size); - vtop--; -} - - -#define FUNC_PROLOG_SIZE 11 - -static void push_arg_reg(int i) { - loc -= 8; - gen_modrm64(0x89, arg_regs[i], VT_LOCAL, NULL, loc); -} - -/* generate function prolog of type 't' */ -void gfunc_prolog(CType *func_type) -{ - X86_64_Mode mode; - int i, addr, align, size; - int param_addr = 0, reg_param_index, sse_param_index; - Sym *sym; - CType *type; - - sym = func_type->ref; - addr = PTR_SIZE * 2; - loc = 0; - ind += FUNC_PROLOG_SIZE; - func_sub_sp_offset = ind; - func_ret_sub = 0; - - if (func_type->ref->c == FUNC_ELLIPSIS) { - int seen_reg_num, seen_sse_num, seen_stack_size; - seen_reg_num = seen_sse_num = 0; - /* frame pointer and return address */ - seen_stack_size = PTR_SIZE * 2; - /* count the number of seen parameters */ - sym = func_type->ref; - while ((sym = sym->next) != NULL) { - RegArgs args; - - type = &sym->type; - mode = classify_x86_64_arg(type, NULL, &size, &align, &args); - - switch (mode) { - default: - stack_arg: - seen_stack_size = ((seen_stack_size + align - 1) & -align) + size; - break; - - case x86_64_mode_integer: - case x86_64_mode_sse: { - int stack = 0; - - seen_sse_num += regargs_fregs(&args); - seen_reg_num += regargs_iregs(&args); - - if (seen_reg_num > 8) { - seen_reg_num = 8; - stack = 1; - } - if (seen_sse_num > 8) { - seen_sse_num = 8; - stack = 1; - } - - if (stack) - goto stack_arg; - break; - } - } - } - - loc -= 16; - /* movl $0x????????, -0x10(%rbp) */ - o(0xf045c7); - gen_le32(seen_reg_num * 8); - /* movl $0x????????, -0xc(%rbp) */ - o(0xf445c7); - gen_le32(seen_sse_num * 16 + 48); - /* movl $0x????????, -0x8(%rbp) */ - o(0xf845c7); - gen_le32(seen_stack_size); - - /* save all register passing arguments */ - for (i = 0; i < 8; i++) { - loc -= 16; - o(0xd60f66); /* movq */ - gen_modrm(7 - i, VT_LOCAL, NULL, loc); - /* movq $0, loc+8(%rbp) */ - o(0x85c748); - gen_le32(loc + 8); - gen_le32(0); - } - for (i = 0; i < REGN; i++) { - push_arg_reg(REGN-1-i); - } - } - - sym = func_type->ref; - reg_param_index = 0; - sse_param_index = 0; - - /* if the function returns a structure, then add an - implicit pointer parameter */ - func_vt = sym->type; - mode = classify_x86_64_arg(&func_vt, NULL, &size, &align, NULL); - if (mode == x86_64_mode_memory) { - push_arg_reg(reg_param_index); - func_vc = loc; - reg_param_index++; - } - /* define parameters */ - while ((sym = sym->next) != NULL) { - RegArgs args; - int reg_count_integer = 0; - int reg_count_sse = 0; - int arg_stored = 1; - - type = &sym->type; - mode = classify_x86_64_arg(type, NULL, &size, &align, &args); - reg_count_integer = regargs_iregs(&args); - reg_count_sse = regargs_fregs(&args); - - switch (mode) { - case x86_64_mode_integer: - case x86_64_mode_sse: - if (reg_count_integer || reg_count_sse) { - if ((reg_count_sse == 0 || sse_param_index + reg_count_sse <= 8) && - (reg_count_integer == 0 || reg_param_index + reg_count_integer <= REGN)) { - /* argument fits into registers */ - arg_stored = 0; - } - } - - if (!arg_stored) { - /* save arguments passed by register */ - loc -= (reg_count_sse + reg_count_integer) * 8; - param_addr = loc; - for (i = 0; i < reg_count_sse; ++i) { - o(0xd60f66); /* movq */ - gen_modrm(sse_param_index, VT_LOCAL, NULL, param_addr + args.freg[i]); - ++sse_param_index; - } - for (i = 0; i < reg_count_integer; ++i) { - gen_modrm64(0x89, arg_regs[reg_param_index], VT_LOCAL, NULL, param_addr + args.ireg[i]); - ++reg_param_index; - } - } else { - addr = (addr + align - 1) & -align; - param_addr = addr; - addr += size; - } - break; - - case x86_64_mode_memory: - case x86_64_mode_x87: - addr = (addr + align - 1) & -align; - param_addr = addr; - addr += size; - break; - default: break; /* nothing to be done for x86_64_mode_none */ - } - sym_push(sym->v & ~SYM_FIELD, type, - VT_LOCAL | VT_LVAL, param_addr); - } - -#ifdef CONFIG_TCC_BCHECK - /* leave some room for bound checking code */ - if (tcc_state->do_bounds_check) { - func_bound_offset = lbounds_section->data_offset; - func_bound_ind = ind; - oad(0xb8, 0); /* lbound section pointer */ - o(0xc78948); /* mov %rax,%rdi ## first arg in %rdi, this must be ptr */ - oad(0xb8, 0); /* call to function */ - } -#endif -} - -/* generate function epilog */ -void gfunc_epilog(void) -{ - int v, saved_ind; - -#ifdef CONFIG_TCC_BCHECK - if (tcc_state->do_bounds_check - && func_bound_offset != lbounds_section->data_offset) - { - addr_t saved_ind; - addr_t *bounds_ptr; - Sym *sym_data; - - /* add end of table info */ - bounds_ptr = section_ptr_add(lbounds_section, sizeof(addr_t)); - *bounds_ptr = 0; - - /* generate bound local allocation */ - sym_data = get_sym_ref(&char_pointer_type, lbounds_section, - func_bound_offset, lbounds_section->data_offset); - saved_ind = ind; - ind = func_bound_ind; - greloc(cur_text_section, sym_data, ind + 1, R_386_32); - ind = ind + 5 + 3; - gen_static_call(TOK___bound_local_new); - ind = saved_ind; - - /* generate bound check local freeing */ - o(0x5250); /* save returned value, if any */ - greloc(cur_text_section, sym_data, ind + 1, R_386_32); - oad(0xb8, 0); /* mov xxx, %rax */ - o(0xc78948); /* mov %rax,%rdi ## first arg in %rdi, this must be ptr */ - gen_static_call(TOK___bound_local_delete); - o(0x585a); /* restore returned value, if any */ - } -#endif - o(0xc9); /* leave */ - if (func_ret_sub == 0) { - o(0xc3); /* ret */ - } else { - o(0xc2); /* ret n */ - g(func_ret_sub); - g(func_ret_sub >> 8); - } - /* align local size to word & save local variables */ - v = (-loc + 15) & -16; - saved_ind = ind; - ind = func_sub_sp_offset - FUNC_PROLOG_SIZE; - o(0xe5894855); /* push %rbp, mov %rsp, %rbp */ - o(0xec8148); /* sub rsp, stacksize */ - gen_le32(v); - ind = saved_ind; -} - -#endif /* not PE */ - -/* generate a jump to a label */ -int gjmp(int t) -{ - return psym(0xe9, t); -} - -/* generate a jump to a fixed address */ -void gjmp_addr(int a) -{ - int r; - r = a - ind - 2; - if (r == (char)r) { - g(0xeb); - g(r); - } else { - oad(0xe9, a - ind - 5); - } -} - -/* generate a test. set 'inv' to invert test. Stack entry is popped */ -int gtst(int inv, int t) -{ - int v, *p; - - v = vtop->r & VT_VALMASK; - if (v == VT_CMP) { - /* fast case : can jump directly since flags are set */ - if (vtop->c.i & 0x100) - { - /* This was a float compare. If the parity flag is set - the result was unordered. For anything except != this - means false and we don't jump (anding both conditions). - For != this means true (oring both). - Take care about inverting the test. We need to jump - to our target if the result was unordered and test wasn't NE, - otherwise if unordered we don't want to jump. */ - vtop->c.i &= ~0x100; - if (!inv == (vtop->c.i != TOK_NE)) - o(0x067a); /* jp +6 */ - else { - g(0x0f); - t = psym(0x8a, t); /* jp t */ - } - } - g(0x0f); - t = psym((vtop->c.i - 16) ^ inv, t); - } else if (v == VT_JMP || v == VT_JMPI) { - /* && or || optimization */ - if ((v & 1) == inv) { - /* insert vtop->c jump list in t */ - p = &vtop->c.i; - while (*p != 0) - p = (int *)(cur_text_section->data + *p); - *p = t; - t = vtop->c.i; - } else { - t = gjmp(t); - gsym(vtop->c.i); - } - } - vtop--; - return t; -} - -/* generate an integer binary operation */ -void gen_opi(int op) -{ - int r, fr, opc, c; - int ll, uu, cc; - - ll = is64_type(vtop[-1].type.t); - uu = (vtop[-1].type.t & VT_UNSIGNED) != 0; - cc = (vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; - - switch(op) { - case '+': - case TOK_ADDC1: /* add with carry generation */ - opc = 0; - gen_op8: - if (cc && (!ll || (int)vtop->c.ll == vtop->c.ll)) { - /* constant case */ - vswap(); - r = gv(RC_INT); - vswap(); - c = vtop->c.i; - if (c == (char)c) { - /* XXX: generate inc and dec for smaller code ? */ - orex(ll, r, 0, 0x83); - o(0xc0 | (opc << 3) | REG_VALUE(r)); - g(c); - } else { - orex(ll, r, 0, 0x81); - oad(0xc0 | (opc << 3) | REG_VALUE(r), c); - } - } else { - gv2(RC_INT, RC_INT); - r = vtop[-1].r; - fr = vtop[0].r; - orex(ll, r, fr, (opc << 3) | 0x01); - o(0xc0 + REG_VALUE(r) + REG_VALUE(fr) * 8); - } - vtop--; - if (op >= TOK_ULT && op <= TOK_GT) { - vtop->r = VT_CMP; - vtop->c.i = op; - } - break; - case '-': - case TOK_SUBC1: /* sub with carry generation */ - opc = 5; - goto gen_op8; - case TOK_ADDC2: /* add with carry use */ - opc = 2; - goto gen_op8; - case TOK_SUBC2: /* sub with carry use */ - opc = 3; - goto gen_op8; - case '&': - opc = 4; - goto gen_op8; - case '^': - opc = 6; - goto gen_op8; - case '|': - opc = 1; - goto gen_op8; - case '*': - gv2(RC_INT, RC_INT); - r = vtop[-1].r; - fr = vtop[0].r; - orex(ll, fr, r, 0xaf0f); /* imul fr, r */ - o(0xc0 + REG_VALUE(fr) + REG_VALUE(r) * 8); - vtop--; - break; - case TOK_SHL: - opc = 4; - goto gen_shift; - case TOK_SHR: - opc = 5; - goto gen_shift; - case TOK_SAR: - opc = 7; - gen_shift: - opc = 0xc0 | (opc << 3); - if (cc) { - /* constant case */ - vswap(); - r = gv(RC_INT); - vswap(); - orex(ll, r, 0, 0xc1); /* shl/shr/sar $xxx, r */ - o(opc | REG_VALUE(r)); - g(vtop->c.i & (ll ? 63 : 31)); - } else { - /* we generate the shift in ecx */ - gv2(RC_INT, RC_RCX); - r = vtop[-1].r; - orex(ll, r, 0, 0xd3); /* shl/shr/sar %cl, r */ - o(opc | REG_VALUE(r)); - } - vtop--; - break; - case TOK_UDIV: - case TOK_UMOD: - uu = 1; - goto divmod; - case '/': - case '%': - case TOK_PDIV: - uu = 0; - divmod: - /* first operand must be in eax */ - /* XXX: need better constraint for second operand */ - gv2(RC_RAX, RC_RCX); - r = vtop[-1].r; - fr = vtop[0].r; - vtop--; - save_reg(TREG_RDX); - orex(ll, 0, 0, uu ? 0xd231 : 0x99); /* xor %edx,%edx : cqto */ - orex(ll, fr, 0, 0xf7); /* div fr, %eax */ - o((uu ? 0xf0 : 0xf8) + REG_VALUE(fr)); - if (op == '%' || op == TOK_UMOD) - r = TREG_RDX; - else - r = TREG_RAX; - vtop->r = r; - break; - default: - opc = 7; - goto gen_op8; - } -} - -void gen_opl(int op) -{ - gen_opi(op); -} - -/* generate a floating point operation 'v = t1 op t2' instruction. The - two operands are guaranted to have the same floating point type */ -/* XXX: need to use ST1 too */ -void gen_opf(int op) -{ - int a, ft, fc, swapped, r; - int float_type = - (vtop->type.t & VT_BTYPE) == VT_LDOUBLE ? RC_ST0 : RC_FLOAT; - - /* convert constants to memory references */ - if ((vtop[-1].r & (VT_VALMASK | VT_LVAL)) == VT_CONST) { - vswap(); - gv(float_type); - vswap(); - } - if ((vtop[0].r & (VT_VALMASK | VT_LVAL)) == VT_CONST) - gv(float_type); - - /* must put at least one value in the floating point register */ - if ((vtop[-1].r & VT_LVAL) && - (vtop[0].r & VT_LVAL)) { - vswap(); - gv(float_type); - vswap(); - } - swapped = 0; - /* swap the stack if needed so that t1 is the register and t2 is - the memory reference */ - if (vtop[-1].r & VT_LVAL) { - vswap(); - swapped = 1; - } - if ((vtop->type.t & VT_BTYPE) == VT_LDOUBLE) { - if (op >= TOK_ULT && op <= TOK_GT) { - /* load on stack second operand */ - load(TREG_ST0, vtop); - save_reg(TREG_RAX); /* eax is used by FP comparison code */ - if (op == TOK_GE || op == TOK_GT) - swapped = !swapped; - else if (op == TOK_EQ || op == TOK_NE) - swapped = 0; - if (swapped) - o(0xc9d9); /* fxch %st(1) */ - if (op == TOK_EQ || op == TOK_NE) - o(0xe9da); /* fucompp */ - else - o(0xd9de); /* fcompp */ - o(0xe0df); /* fnstsw %ax */ - if (op == TOK_EQ) { - o(0x45e480); /* and $0x45, %ah */ - o(0x40fC80); /* cmp $0x40, %ah */ - } else if (op == TOK_NE) { - o(0x45e480); /* and $0x45, %ah */ - o(0x40f480); /* xor $0x40, %ah */ - op = TOK_NE; - } else if (op == TOK_GE || op == TOK_LE) { - o(0x05c4f6); /* test $0x05, %ah */ - op = TOK_EQ; - } else { - o(0x45c4f6); /* test $0x45, %ah */ - op = TOK_EQ; - } - vtop--; - vtop->r = VT_CMP; - vtop->c.i = op; - } else { - /* no memory reference possible for long double operations */ - load(TREG_ST0, vtop); - swapped = !swapped; - - switch(op) { - default: - case '+': - a = 0; - break; - case '-': - a = 4; - if (swapped) - a++; - break; - case '*': - a = 1; - break; - case '/': - a = 6; - if (swapped) - a++; - break; - } - ft = vtop->type.t; - fc = vtop->c.ul; - o(0xde); /* fxxxp %st, %st(1) */ - o(0xc1 + (a << 3)); - vtop--; - } - } else { - if (op >= TOK_ULT && op <= TOK_GT) { - /* if saved lvalue, then we must reload it */ - r = vtop->r; - fc = vtop->c.ul; - if ((r & VT_VALMASK) == VT_LLOCAL) { - SValue v1; - r = get_reg(RC_INT); - v1.type.t = VT_PTR; - v1.r = VT_LOCAL | VT_LVAL; - v1.c.ul = fc; - load(r, &v1); - fc = 0; - } - - if (op == TOK_EQ || op == TOK_NE) { - swapped = 0; - } else { - if (op == TOK_LE || op == TOK_LT) - swapped = !swapped; - if (op == TOK_LE || op == TOK_GE) { - op = 0x93; /* setae */ - } else { - op = 0x97; /* seta */ - } - } - - if (swapped) { - gv(RC_FLOAT); - vswap(); - } - assert(!(vtop[-1].r & VT_LVAL)); - - if ((vtop->type.t & VT_BTYPE) == VT_DOUBLE) - o(0x66); - if (op == TOK_EQ || op == TOK_NE) - o(0x2e0f); /* ucomisd */ - else - o(0x2f0f); /* comisd */ - - if (vtop->r & VT_LVAL) { - gen_modrm(vtop[-1].r, r, vtop->sym, fc); - } else { - o(0xc0 + REG_VALUE(vtop[0].r) + REG_VALUE(vtop[-1].r)*8); - } - - vtop--; - vtop->r = VT_CMP; - vtop->c.i = op | 0x100; - } else { - assert((vtop->type.t & VT_BTYPE) != VT_LDOUBLE); - switch(op) { - default: - case '+': - a = 0; - break; - case '-': - a = 4; - break; - case '*': - a = 1; - break; - case '/': - a = 6; - break; - } - ft = vtop->type.t; - fc = vtop->c.ul; - assert((ft & VT_BTYPE) != VT_LDOUBLE); - - r = vtop->r; - /* if saved lvalue, then we must reload it */ - if ((vtop->r & VT_VALMASK) == VT_LLOCAL) { - SValue v1; - r = get_reg(RC_INT); - v1.type.t = VT_PTR; - v1.r = VT_LOCAL | VT_LVAL; - v1.c.ul = fc; - load(r, &v1); - fc = 0; - } - - assert(!(vtop[-1].r & VT_LVAL)); - if (swapped) { - assert(vtop->r & VT_LVAL); - gv(RC_FLOAT); - vswap(); - } - - if ((ft & VT_BTYPE) == VT_DOUBLE) { - o(0xf2); - } else { - o(0xf3); - } - o(0x0f); - o(0x58 + a); - - if (vtop->r & VT_LVAL) { - gen_modrm(vtop[-1].r, r, vtop->sym, fc); - } else { - o(0xc0 + REG_VALUE(vtop[0].r) + REG_VALUE(vtop[-1].r)*8); - } - - vtop--; - } - } -} - -/* convert integers to fp 't' type. Must handle 'int', 'unsigned int' - and 'long long' cases. */ -void gen_cvt_itof(int t) -{ - if ((t & VT_BTYPE) == VT_LDOUBLE) { - save_reg(TREG_ST0); - gv(RC_INT); - if ((vtop->type.t & VT_BTYPE) == VT_LLONG) { - /* signed long long to float/double/long double (unsigned case - is handled generically) */ - o(0x50 + (vtop->r & VT_VALMASK)); /* push r */ - o(0x242cdf); /* fildll (%rsp) */ - o(0x08c48348); /* add $8, %rsp */ - } else if ((vtop->type.t & (VT_BTYPE | VT_UNSIGNED)) == - (VT_INT | VT_UNSIGNED)) { - /* unsigned int to float/double/long double */ - o(0x6a); /* push $0 */ - g(0x00); - o(0x50 + (vtop->r & VT_VALMASK)); /* push r */ - o(0x242cdf); /* fildll (%rsp) */ - o(0x10c48348); /* add $16, %rsp */ - } else { - /* int to float/double/long double */ - o(0x50 + (vtop->r & VT_VALMASK)); /* push r */ - o(0x2404db); /* fildl (%rsp) */ - o(0x08c48348); /* add $8, %rsp */ - } - vtop->r = TREG_ST0; - } else { - int r = get_reg(RC_FLOAT); - gv(RC_INT); - o(0xf2 + ((t & VT_BTYPE) == VT_FLOAT?1:0)); - if ((vtop->type.t & (VT_BTYPE | VT_UNSIGNED)) == - (VT_INT | VT_UNSIGNED) || - (vtop->type.t & VT_BTYPE) == VT_LLONG) { - o(0x48); /* REX */ - } - o(0x2a0f); - o(0xc0 + (vtop->r & VT_VALMASK) + REG_VALUE(r)*8); /* cvtsi2sd */ - vtop->r = r; - } -} - -/* convert from one floating point type to another */ -void gen_cvt_ftof(int t) -{ - int ft, bt, tbt; - - ft = vtop->type.t; - bt = ft & VT_BTYPE; - tbt = t & VT_BTYPE; - - if (bt == VT_FLOAT) { - gv(RC_FLOAT); - if (tbt == VT_DOUBLE) { - o(0x140f); /* unpcklps */ - o(0xc0 + REG_VALUE(vtop->r)*9); - o(0x5a0f); /* cvtps2pd */ - o(0xc0 + REG_VALUE(vtop->r)*9); - } else if (tbt == VT_LDOUBLE) { - save_reg(RC_ST0); - /* movss %xmm0,-0x10(%rsp) */ - o(0x110ff3); - o(0x44 + REG_VALUE(vtop->r)*8); - o(0xf024); - o(0xf02444d9); /* flds -0x10(%rsp) */ - vtop->r = TREG_ST0; - } - } else if (bt == VT_DOUBLE) { - gv(RC_FLOAT); - if (tbt == VT_FLOAT) { - o(0x140f66); /* unpcklpd */ - o(0xc0 + REG_VALUE(vtop->r)*9); - o(0x5a0f66); /* cvtpd2ps */ - o(0xc0 + REG_VALUE(vtop->r)*9); - } else if (tbt == VT_LDOUBLE) { - save_reg(RC_ST0); - /* movsd %xmm0,-0x10(%rsp) */ - o(0x110ff2); - o(0x44 + REG_VALUE(vtop->r)*8); - o(0xf024); - o(0xf02444dd); /* fldl -0x10(%rsp) */ - vtop->r = TREG_ST0; - } - } else { - int r; - gv(RC_ST0); - r = get_reg(RC_FLOAT); - if (tbt == VT_DOUBLE) { - o(0xf0245cdd); /* fstpl -0x10(%rsp) */ - /* movsd -0x10(%rsp),%xmm0 */ - o(0x100ff2); - o(0x44 + REG_VALUE(r)*8); - o(0xf024); - vtop->r = r; - } else if (tbt == VT_FLOAT) { - o(0xf0245cd9); /* fstps -0x10(%rsp) */ - /* movss -0x10(%rsp),%xmm0 */ - o(0x100ff3); - o(0x44 + REG_VALUE(r)*8); - o(0xf024); - vtop->r = r; - } - } -} - -/* convert fp to int 't' type */ -void gen_cvt_ftoi(int t) -{ - int ft, bt, size, r; - ft = vtop->type.t; - bt = ft & VT_BTYPE; - if (bt == VT_LDOUBLE) { - gen_cvt_ftof(VT_DOUBLE); - bt = VT_DOUBLE; - } - - gv(RC_FLOAT); - if (t != VT_INT) - size = 8; - else - size = 4; - - r = get_reg(RC_INT); - if (bt == VT_FLOAT) { - o(0xf3); - } else if (bt == VT_DOUBLE) { - o(0xf2); - } else { - assert(0); - } - orex(size == 8, r, 0, 0x2c0f); /* cvttss2si or cvttsd2si */ - o(0xc0 + REG_VALUE(vtop->r) + REG_VALUE(r)*8); - vtop->r = r; -} - -/* computed goto support */ -void ggoto(void) -{ - gcall_or_jmp(1); - vtop--; -} - -/* Save the stack pointer onto the stack and return the location of its address */ -ST_FUNC void gen_vla_sp_save(int addr) { - /* mov %rsp,addr(%rbp)*/ - gen_modrm64(0x89, TREG_RSP, VT_LOCAL, NULL, addr); -} - -/* Restore the SP from a location on the stack */ -ST_FUNC void gen_vla_sp_restore(int addr) { - gen_modrm64(0x8b, TREG_RSP, VT_LOCAL, NULL, addr); -} - -/* Subtract from the stack pointer, and push the resulting value onto the stack */ -ST_FUNC void gen_vla_alloc(CType *type, int align) { -#ifdef TCC_TARGET_PE - /* alloca does more than just adjust %rsp on Windows */ - vpush_global_sym(&func_old_type, TOK_alloca); - vswap(); /* Move alloca ref past allocation size */ - gfunc_call(1); - vset(type, REG_IRET, 0); -#else - int r = gv(RC_INT); /* allocation size */ - /* sub r,%rsp */ - o(0x2b48); - o(0xe0 | REG_VALUE(r)); - /* We align to 16 bytes rather than align */ - /* and ~15, %rsp */ - o(0xf0e48348); - vpop(); -#endif -} - - -/* end of x86-64 code generator */ -/*************************************************************/ -#endif /* ! TARGET_DEFS_ONLY */ -/******************************************************/ -- cgit v1.3.1