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authorbellard <bellard>2004-10-05 22:33:55 +0000
committerbellard <bellard>2004-10-05 22:33:55 +0000
commitec7d36326de63fa284f6c181db5b3d1c02f071bf (patch)
tree6ada11834f6a20104bf48026159f0c6e98411d77
parentbf45336afb7f7859efa05dd17c9e73c983a2d834 (diff)
downloadtinycc-ec7d36326de63fa284f6c181db5b3d1c02f071bf.tar.gz
tinycc-ec7d36326de63fa284f6c181db5b3d1c02f071bf.tar.bz2
C67 COFF executable format support (TK)
-rw-r--r--Changelog2
-rw-r--r--Makefile2
-rw-r--r--c67-gen.c24
-rw-r--r--coff.h446
-rw-r--r--tcc.c26
-rw-r--r--tcccoff.c982
-rw-r--r--tccelf.c22
-rw-r--r--tcctok.h12
8 files changed, 1494 insertions, 22 deletions
diff --git a/Changelog b/Changelog
index f6f4832..9402542 100644
--- a/Changelog
+++ b/Changelog
@@ -5,7 +5,7 @@ version 0.9.21:
'-Wimplicit-function-declaration'
- fixed assignment of const struct in struct
- line comment fix (reported by Bertram Felgenhauer)
-- initial TMS320C67xx support (TK)
+- initial TMS320C67xx target support (TK)
version 0.9.20:
diff --git a/Makefile b/Makefile
index 8557827..86be1ca 100644
--- a/Makefile
+++ b/Makefile
@@ -114,7 +114,7 @@ tcc_g: tcc.c i386-gen.c tccelf.c tccasm.c i386-asm.c tcctok.h libtcc.h i386-asm.
tcc: tcc_g Makefile
strip -s -R .comment -R .note -o $@ $<
-c67-tcc: tcc.c c67-gen.c tccelf.c tccasm.c tcctok.h libtcc.h Makefile
+c67-tcc: tcc.c c67-gen.c tccelf.c tccasm.c tcctok.h libtcc.h tcccoff.c Makefile
$(CC) $(CFLAGS) -DTCC_TARGET_C67 -o $@ $< $(LIBS)
arm-tcc: tcc.c arm-gen.c tccelf.c tccasm.c tcctok.h libtcc.h Makefile
diff --git a/c67-gen.c b/c67-gen.c
index 6ab8a52..7c92b77 100644
--- a/c67-gen.c
+++ b/c67-gen.c
@@ -18,7 +18,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#define ASSEMBLY_LISTING_C67
+//#define ASSEMBLY_LISTING_C67
/* number of available registers */
#define NB_REGS 24
@@ -139,16 +139,6 @@ int TranslateStackToReg[NoCallArgsPassedOnStack];
int ParamLocOnStack[NoCallArgsPassedOnStack];
int TotalBytesPushedOnStack;
-// intrinsic functions
-
-TokenSym *ts_divi;
-TokenSym *ts_divu;
-TokenSym *ts_divf;
-TokenSym *ts_divd;
-TokenSym *ts_remi;
-TokenSym *ts_remu;
-
-
/* defined if function parameters must be evaluated in reverse order */
//#define INVERT_FUNC_PARAMS
@@ -2288,7 +2278,7 @@ void gen_opi(int op)
break;
case '/':
- t = ts_divi->tok;
+ t = TOK__divi;
call_func:
vswap();
/* call generic idiv function */
@@ -2301,13 +2291,13 @@ void gen_opi(int op)
break;
case TOK_UDIV:
case TOK_PDIV:
- t = ts_divu->tok;
+ t = TOK__divu;
goto call_func;
case '%':
- t = ts_remi->tok;
+ t = TOK__remi;
goto call_func;
case TOK_UMOD:
- t = ts_remu->tok;
+ t = TOK__remu;
goto call_func;
default:
@@ -2423,7 +2413,7 @@ void gen_opf(int op)
// must call intrinsic DP floating point divide
vswap();
/* call generic idiv function */
- vpush_global_sym(&func_old_type, ts_divd->tok);
+ vpush_global_sym(&func_old_type, TOK__divd);
vrott(3);
gfunc_call(2);
vpushi(0);
@@ -2434,7 +2424,7 @@ void gen_opf(int op)
// must call intrinsic SP floating point divide
vswap();
/* call generic idiv function */
- vpush_global_sym(&func_old_type, ts_divf->tok);
+ vpush_global_sym(&func_old_type, TOK__divf);
vrott(3);
gfunc_call(2);
vpushi(0);
diff --git a/coff.h b/coff.h
new file mode 100644
index 0000000..38960b4
--- /dev/null
+++ b/coff.h
@@ -0,0 +1,446 @@
+/**************************************************************************/
+/* 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 "!<arch>\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)|(DT_PTR<<N_BTSHFT_COFF)|(x&N_BTMASK_COFF))
+#define DECREF_COFF(x) ((((x)>>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/tcc.c b/tcc.c
index 066391d..ff33b5e 100644
--- a/tcc.c
+++ b/tcc.c
@@ -80,6 +80,11 @@
#define CONFIG_TCC_ASM
#endif
+/* object format selection */
+#if defined(TCC_TARGET_C67)
+#define TCC_TARGET_COFF
+#endif
+
#if !defined(WIN32)
#define FALSE 0
#define false 0
@@ -765,6 +770,9 @@ static int tcc_add_dll(TCCState *s, const char *filename, int flags);
#define AFF_REFERENCED_DLL 0x0002 /* load a referenced dll from another dll */
static int tcc_add_file_internal(TCCState *s, const char *filename, int flags);
+/* tcccoff.c */
+int tcc_output_coff(TCCState *s1, const char *OutFile);
+
/* tccasm.c */
#ifdef CONFIG_TCC_ASM
@@ -5577,7 +5585,11 @@ static void gen_cast(CType *type)
}
} else {
do_itof:
+#if !defined(TCC_TARGET_ARM)
+ gen_cvt_itof1(dbt);
+#else
gen_cvt_itof(dbt);
+#endif
}
} else if (sf) {
/* convert fp to int */
@@ -9003,6 +9015,10 @@ static void asm_instr(void)
#include "tccelf.c"
+#ifdef TCC_TARGET_COFF
+#include "tcccoff.c"
+#endif
+
/* print the position in the source file of PC value 'pc' by reading
the stabs debug information */
static void rt_printline(unsigned long wanted_pc)
@@ -9545,7 +9561,7 @@ static int tcc_add_file_internal(TCCState *s1, const char *filename, int flags)
} else if (ret != sizeof(ehdr)) {
goto try_load_script;
}
-
+
if (ehdr.e_ident[0] == ELFMAG0 &&
ehdr.e_ident[1] == ELFMAG1 &&
ehdr.e_ident[2] == ELFMAG2 &&
@@ -9572,7 +9588,13 @@ static int tcc_add_file_internal(TCCState *s1, const char *filename, int flags)
} else if (memcmp((char *)&ehdr, ARMAG, 8) == 0) {
file->line_num = 0; /* do not display line number if error */
ret = tcc_load_archive(s1, fd);
- } else {
+ } else
+#ifdef TCC_TARGET_COFF
+ if (*(uint16_t *)(&ehdr) == COFF_C67_MAGIC) {
+ ret = tcc_load_coff(s1, fd);
+ } else
+#endif
+ {
/* as GNU ld, consider it is an ld script if not recognized */
try_load_script:
ret = tcc_load_ldscript(s1);
diff --git a/tcccoff.c b/tcccoff.c
new file mode 100644
index 0000000..7f60ccf
--- /dev/null
+++ b/tcccoff.c
@@ -0,0 +1,982 @@
+/*
+ * 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 "coff.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];
+
+BOOL 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;
+
+int tcc_output_coff(TCCState *s1, const char *OutFile)
+{
+ 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;
+
+ f = fopen(OutFile, "wb");
+
+ if (!f) {
+ error("Unable to open output file");
+ }
+
+ 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
+
+ int i, NSectionsToOutput = 0;
+
+ file_pointer = FILHSZ + sizeof(AOUTHDR);
+
+ CoffTextSectionNo = -1;
+
+ for (i = 1; i < s1->nb_sections; i++) {
+ coff_sec = &section_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 = &section_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 = &section_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 = &section_header[i];
+ tcc_sect = s1->sections[i];
+
+ coff_sec->s_nlnno = 0;
+ coff_sec->s_lnnoptr = 0;
+
+ if (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;
+ 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 (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 = &section_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 = &section_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 = &section_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 (do_debug)
+ SortSymbolTable();
+
+ // write line no data
+
+ for (i = 1; i < s1->nb_sections; i++) {
+ coff_sec = &section_header[i];
+ tcc_sect = s1->sections[i];
+
+ if (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 (do_debug) {
+ int k;
+ struct syment csym;
+ AUXFUNC auxfunc;
+ AUXBF auxbf;
+ AUXEF auxef;
+ int i;
+ Elf32_Sym *p;
+ char *name;
+ char _name[MAX_FUNCS];
+ 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++) {
+
+ /* don't add underscores for Code Composer Version 2.xx */
+
+#define ADD_UNDERSCORE 0
+
+ name = (char *) symtab_section->link->data + p->st_name;
+
+#if ADD_UNDERSCORE
+ _name[0] = '_';
+ strcpy(_name + 1, name);
+#else
+ strcpy(_name, name);
+#endif
+
+ 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)
+ 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) {
+ char s[256];
+
+ sprintf(s, "debug info can't find function: %s", name);
+
+ error(s);
+ }
+ // 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 (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);
+ }
+
+ fclose(f);
+
+ 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) {
+ char s[256];
+
+ sprintf(s,
+ "debug (sort) info can't find function: %s",
+ name2);
+
+ error(s);
+ }
+
+ 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)
+ 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
+}
+
+
+
+
+
+
+BOOL OutputTheSection(Section * sect)
+{
+ const char *s = sect->name;
+
+ if (s == ".text")
+ return true;
+ else if (s == ".data")
+ return true;
+ else
+ return 0;
+}
+
+short int GetCoffFlags(const char *s)
+{
+ if (s == ".text")
+ return STYP_TEXT | STYP_DATA | STYP_ALIGN | 0x400;
+ else if (s == ".data")
+ return STYP_DATA;
+ else if (s == ".bss")
+ return STYP_BSS;
+ else if (s == ".stack")
+ return STYP_BSS | STYP_ALIGN | 0x200;
+ else if (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;
+ }
+
+ error("could not find section %s", sname);
+ return 0;
+}
+
+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) {
+ error("Unable to open .out file for input");
+ }
+
+ if (fread(&file_hdr, FILHSZ, 1, f) != 1)
+ error("error reading .out file for input");
+
+ if (fread(&o_filehdr, sizeof(o_filehdr), 1, f) != 1)
+ 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))
+ error("error reading .out file for input");
+
+ if (fread(&str_size, sizeof(int), 1, f) != 1)
+ 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)
+ 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))
+ error("error reading .out file for input");
+
+ for (i = 0; i < file_hdr.f_nsyms; i++) {
+ if (fread(&csym, SYMESZ, 1, f) != 1)
+ 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, csym.n_value);
+ }
+ // skip any aux records
+
+ if (csym.n_numaux == 1) {
+ if (fread(&csym, SYMESZ, 1, f) != 1)
+ error("error reading .out file for input");
+ i++;
+ }
+ }
+
+ return 0;
+}
diff --git a/tccelf.c b/tccelf.c
index e599867..07deca8 100644
--- a/tccelf.c
+++ b/tccelf.c
@@ -552,6 +552,24 @@ static void relocate_section(TCCState *s1, Section *s)
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 %lx [%.8x] to %lx\n",
type,addr,(unsigned int )ptr,val);
@@ -1536,6 +1554,9 @@ int tcc_output_file(TCCState *s1, const char *filename)
ehdr.e_entry = text_section->sh_addr; /* XXX: is it correct ? */
}
+#ifdef TCC_TARGET_COFF
+ ret = tcc_output_coff(s1, filename);
+#else
sort_syms(s1, symtab_section);
/* align to 4 */
@@ -1629,6 +1650,7 @@ int tcc_output_file(TCCState *s1, const char *filename)
fclose(f);
ret = 0;
+#endif
the_end:
tcc_free(s1->symtab_to_dynsym);
tcc_free(section_order);
diff --git a/tcctok.h b/tcctok.h
index 1f80236..85643dd 100644
--- a/tcctok.h
+++ b/tcctok.h
@@ -111,7 +111,7 @@
DEF(TOK___moddi3, "__moddi3")
DEF(TOK___udivdi3, "__udivdi3")
DEF(TOK___umoddi3, "__umoddi3")
-#ifdef TCC_TARGET_ARM
+#if defined(TCC_TARGET_ARM)
DEF(TOK___divsi3, "__divsi3")
DEF(TOK___modsi3, "__modsi3")
DEF(TOK___udivsi3, "__udivsi3")
@@ -126,6 +126,16 @@
DEF(TOK___fixsfdi, "__fixsfdi")
DEF(TOK___fixdfdi, "__fixdfdi")
DEF(TOK___fixxfdi, "__fixxfdi")
+#elif 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")
+ DEF(TOK___sardi3, "__sardi3")
+ DEF(TOK___shrdi3, "__shrdi3")
+ DEF(TOK___shldi3, "__shldi3")
#else
/* XXX: same names on i386 ? */
DEF(TOK___sardi3, "__sardi3")