diff options
| -rw-r--r-- | Changelog | 5 | ||||
| -rw-r--r-- | Makefile | 3 | ||||
| -rw-r--r-- | arm-gen.c | 1 | ||||
| -rw-r--r-- | elf.h | 18 | ||||
| -rw-r--r-- | i386-gen.c | 1 | ||||
| -rw-r--r-- | tcc.c | 35 | ||||
| -rw-r--r-- | tccelf.c | 31 |
7 files changed, 87 insertions, 7 deletions
@@ -2,9 +2,10 @@ version 0.9.21: - ARM target support (Daniel Glöckner) - added '-funsigned-char, '-fsigned-char' and - '-Wimplicit-function-declaration'. -- fixed assignment of const struct in struct. + '-Wimplicit-function-declaration' +- fixed assignment of const struct in struct - line comment fix (reported by Bertram Felgenhauer) +- initial TMS320C67xx support (TK) version 0.9.20: @@ -114,6 +114,9 @@ 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 + $(CC) $(CFLAGS) -DTCC_TARGET_C67 -o $@ $< $(LIBS) + # TinyCC runtime libraries libtcc1.o: libtcc1.c $(CC) -O2 -Wall -c -o $@ $< @@ -710,6 +710,7 @@ void gfunc_prolog(CType *func_type) addr += size; } last_itod_magic=0; + loc = 0; } /* generate function epilog */ @@ -217,6 +217,7 @@ typedef struct chances of collision with official or non-GNU unofficial values. */ #define EM_ALPHA 0x9026 +#define EM_C60 0x9c60 /* Legal values for e_version (version). */ @@ -1592,4 +1593,21 @@ typedef Elf32_Addr Elf32_Conflict; /* 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 + #endif /* elf.h */ @@ -427,6 +427,7 @@ void gfunc_prolog(CType *func_type) oad(0xb8, 0); /* call to function */ func_bound_offset = lbounds_section->data_offset; } + loc = 0; } /* generate function epilog */ @@ -62,21 +62,32 @@ /* target selection */ //#define TCC_TARGET_I386 /* i386 code generator */ //#define TCC_TARGET_ARM /* ARMv4 code generator */ +//#define TCC_TARGET_C67 /* TMS320C67xx code generator */ /* default target is I386 */ -#if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) +#if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \ + !defined(TCC_TARGET_C67) #define TCC_TARGET_I386 #endif -#if !defined(WIN32) && !defined(TCC_UCLIBC) && !defined(TCC_TARGET_ARM) +#if !defined(WIN32) && !defined(TCC_UCLIBC) && !defined(TCC_TARGET_ARM) && \ + !defined(TCC_TARGET_C67) #define CONFIG_TCC_BCHECK /* enable bound checking code */ #endif /* define it to include assembler support */ -#if !defined(TCC_TARGET_ARM) +#if !defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_C67) #define CONFIG_TCC_ASM #endif +#if !defined(WIN32) +#define FALSE 0 +#define false 0 +#define TRUE 1 +#define true 1 +typedef int BOOL; +#endif + /* path to find crt1.o, crti.o and crtn.o. Only needed when generating executables or dlls */ #define CONFIG_TCC_CRT_PREFIX "/usr/lib" @@ -801,6 +812,10 @@ static inline int is_float(int t) #include "arm-gen.c" #endif +#ifdef TCC_TARGET_C67 +#include "c67-gen.c" +#endif + #ifdef CONFIG_TCC_STATIC #define RTLD_LAZY 0x001 @@ -4614,6 +4629,11 @@ int gv(int rc) } } 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; } @@ -4964,6 +4984,8 @@ void gen_opl(int op) #elif defined(TCC_TARGET_ARM) b = ind; o(0x1A000000 | encbranch(ind, 0, 1)); +#elif defined(TCC_TARGET_C67) + error("not implemented"); #else #error not supported #endif @@ -5624,7 +5646,11 @@ static int type_size(CType *type, int *a) *a = LDOUBLE_ALIGN; return LDOUBLE_SIZE; } else if (bt == VT_DOUBLE || bt == VT_LLONG) { - *a = 4; /* XXX: i386 specific */ +#ifdef TCC_TARGET_I386 + *a = 4; +#else + *a = 8; +#endif return 8; } else if (bt == VT_INT || bt == VT_ENUM || bt == VT_FLOAT) { *a = 4; @@ -8673,7 +8699,6 @@ static void decl(int l) /* push a dummy symbol to enable local sym storage */ sym_push2(&local_stack, SYM_FIELD, 0, 0); gfunc_prolog(&type); - loc = 0; rsym = 0; #ifdef CONFIG_REG_VARS macro_ptr = func_str.str; @@ -548,6 +548,14 @@ static void relocate_section(TCCState *s1, Section *s) fprintf(stderr,"FIXME: handle reloc type %x at %lx [%.8x] to %lx\n", type,addr,(unsigned int )ptr,val); break; +#elif defined(TCC_TARGET_C67) + case R_C60_32: + *(int *)ptr += val; + break; + default: + fprintf(stderr,"FIXME: handle reloc type %x at %lx [%.8x] to %lx\n", + type,addr,(unsigned int )ptr,val); + break; #else #error unsupported processor #endif @@ -754,6 +762,8 @@ static void put_got_entry(TCCState *s1, if (s1->output_type == TCC_OUTPUT_EXE) offset = plt->data_offset - 16; } +#elif defined(TCC_TARGET_C67) + error("C67 got not implemented"); #else #error unsupported CPU #endif @@ -828,6 +838,25 @@ static void build_got_entries(TCCState *s1) sym_index); } 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 = ELF32_R_SYM(rel->r_info); + sym = &((Elf32_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; #else #error unsupported CPU #endif @@ -1415,6 +1444,8 @@ int tcc_output_file(TCCState *s1, const char *filename) put32(p + 12, x + get32(p + 12) + s1->plt->data - p); p += 16; } +#elif defined(TCC_TARGET_C67) + /* XXX: TODO */ #else #error unsupported CPU #endif |