2 * TCC - Tiny C Compiler
4 * Copyright (c) 2001-2004 Fabrice Bellard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 /********************************************************/
24 /* global variables */
26 /* use GNU C extensions */
27 ST_DATA
int gnu_ext
= 1;
29 /* use TinyCC extensions */
30 ST_DATA
int tcc_ext
= 1;
32 /* XXX: get rid of this ASAP */
33 ST_DATA
struct TCCState
*tcc_state
;
35 /********************************************************/
42 #ifdef TCC_TARGET_I386
51 #ifdef TCC_TARGET_X86_64
52 #include "x86_64-gen.c"
55 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
60 #ifdef TCC_TARGET_COFF
66 #endif /* ONE_SOURCE */
68 /********************************************************/
69 #ifndef CONFIG_TCC_ASM
70 ST_FUNC
void asm_instr(void)
72 tcc_error("inline asm() not supported");
74 ST_FUNC
void asm_global_instr(void)
76 tcc_error("inline asm() not supported");
80 /********************************************************/
82 static char *normalize_slashes(char *path
)
85 for (p
= path
; *p
; ++p
)
91 static HMODULE tcc_module
;
93 /* on win32, we suppose the lib and includes are at the location of 'tcc.exe' */
94 static void tcc_set_lib_path_w32(TCCState
*s
)
97 GetModuleFileNameA(tcc_module
, path
, sizeof path
);
98 p
= tcc_basename(normalize_slashes(strlwr(path
)));
99 if (p
- 5 > path
&& 0 == strncmp(p
- 5, "/bin/", 5))
104 tcc_set_lib_path(s
, path
);
108 static void tcc_add_systemdir(TCCState
*s
)
111 GetSystemDirectory(buf
, sizeof buf
);
112 tcc_add_library_path(s
, normalize_slashes(buf
));
116 #ifndef CONFIG_TCC_STATIC
117 void dlclose(void *p
)
119 FreeLibrary((HMODULE
)p
);
124 BOOL WINAPI
DllMain (HINSTANCE hDll
, DWORD dwReason
, LPVOID lpReserved
)
126 if (DLL_PROCESS_ATTACH
== dwReason
)
133 /********************************************************/
134 /* copy a string and truncate it. */
135 PUB_FUNC
char *pstrcpy(char *buf
, int buf_size
, const char *s
)
142 q_end
= buf
+ buf_size
- 1;
154 /* strcat and truncate. */
155 PUB_FUNC
char *pstrcat(char *buf
, int buf_size
, const char *s
)
160 pstrcpy(buf
+ len
, buf_size
- len
, s
);
164 PUB_FUNC
char *pstrncpy(char *out
, const char *in
, size_t num
)
166 memcpy(out
, in
, num
);
171 /* extract the basename of a file */
172 PUB_FUNC
char *tcc_basename(const char *name
)
174 char *p
= strchr(name
, 0);
175 while (p
> name
&& !IS_DIRSEP(p
[-1]))
180 /* extract extension part of a file
182 * (if no extension, return pointer to end-of-string)
184 PUB_FUNC
char *tcc_fileextension (const char *name
)
186 char *b
= tcc_basename(name
);
187 char *e
= strrchr(b
, '.');
188 return e
? e
: strchr(b
, 0);
191 /********************************************************/
192 /* memory management */
199 ST_DATA
int mem_cur_size
;
200 ST_DATA
int mem_max_size
;
201 unsigned malloc_usable_size(void*);
204 PUB_FUNC
void tcc_free(void *ptr
)
207 mem_cur_size
-= malloc_usable_size(ptr
);
212 PUB_FUNC
void *tcc_malloc(unsigned long size
)
217 tcc_error("memory full (malloc)");
219 mem_cur_size
+= malloc_usable_size(ptr
);
220 if (mem_cur_size
> mem_max_size
)
221 mem_max_size
= mem_cur_size
;
226 PUB_FUNC
void *tcc_mallocz(unsigned long size
)
229 ptr
= tcc_malloc(size
);
230 memset(ptr
, 0, size
);
234 PUB_FUNC
void *tcc_realloc(void *ptr
, unsigned long size
)
238 mem_cur_size
-= malloc_usable_size(ptr
);
240 ptr1
= realloc(ptr
, size
);
242 tcc_error("memory full (realloc)");
244 /* NOTE: count not correct if alloc error, but not critical */
245 mem_cur_size
+= malloc_usable_size(ptr1
);
246 if (mem_cur_size
> mem_max_size
)
247 mem_max_size
= mem_cur_size
;
252 PUB_FUNC
char *tcc_strdup(const char *str
)
255 ptr
= tcc_malloc(strlen(str
) + 1);
260 PUB_FUNC
void tcc_memstats(void)
263 printf("memory: %d bytes, max = %d bytes\n", mem_cur_size
, mem_max_size
);
267 #define free(p) use_tcc_free(p)
268 #define malloc(s) use_tcc_malloc(s)
269 #define realloc(p, s) use_tcc_realloc(p, s)
271 /********************************************************/
274 ST_FUNC
void dynarray_add(void ***ptab
, int *nb_ptr
, void *data
)
281 /* every power of two we double array size */
282 if ((nb
& (nb
- 1)) == 0) {
287 pp
= tcc_realloc(pp
, nb_alloc
* sizeof(void *));
294 ST_FUNC
void dynarray_reset(void *pp
, int *n
)
297 for (p
= *(void***)pp
; *n
; ++p
, --*n
)
300 tcc_free(*(void**)pp
);
304 static void tcc_split_path(TCCState
*s
, void ***p_ary
, int *p_nb_ary
, const char *in
)
312 for (p
= in
; c
= *p
, c
!= '\0' && c
!= PATHSEP
; ++p
) {
313 if (c
== '{' && p
[1] && p
[2] == '}') {
316 cstr_cat(&str
, s
->tcc_lib_path
);
321 cstr_ccat(&str
, '\0');
322 dynarray_add(p_ary
, p_nb_ary
, str
.data
);
327 /********************************************************/
329 ST_FUNC Section
*new_section(TCCState
*s1
, const char *name
, int sh_type
, int sh_flags
)
333 sec
= tcc_mallocz(sizeof(Section
) + strlen(name
));
334 strcpy(sec
->name
, name
);
335 sec
->sh_type
= sh_type
;
336 sec
->sh_flags
= sh_flags
;
344 sec
->sh_addralign
= 4;
347 sec
->sh_addralign
= 1;
350 sec
->sh_addralign
= 32; /* default conservative alignment */
354 if (sh_flags
& SHF_PRIVATE
) {
355 dynarray_add((void ***)&s1
->priv_sections
, &s1
->nb_priv_sections
, sec
);
357 sec
->sh_num
= s1
->nb_sections
;
358 dynarray_add((void ***)&s1
->sections
, &s1
->nb_sections
, sec
);
364 static void free_section(Section
*s
)
369 /* realloc section and set its content to zero */
370 ST_FUNC
void section_realloc(Section
*sec
, unsigned long new_size
)
375 size
= sec
->data_allocated
;
378 while (size
< new_size
)
380 data
= tcc_realloc(sec
->data
, size
);
381 memset(data
+ sec
->data_allocated
, 0, size
- sec
->data_allocated
);
383 sec
->data_allocated
= size
;
386 /* reserve at least 'size' bytes in section 'sec' from
388 ST_FUNC
void *section_ptr_add(Section
*sec
, unsigned long size
)
390 unsigned long offset
, offset1
;
392 offset
= sec
->data_offset
;
393 offset1
= offset
+ size
;
394 if (offset1
> sec
->data_allocated
)
395 section_realloc(sec
, offset1
);
396 sec
->data_offset
= offset1
;
397 return sec
->data
+ offset
;
400 /* reserve at least 'size' bytes from section start */
401 ST_FUNC
void section_reserve(Section
*sec
, unsigned long size
)
403 if (size
> sec
->data_allocated
)
404 section_realloc(sec
, size
);
405 if (size
> sec
->data_offset
)
406 sec
->data_offset
= size
;
409 /* return a reference to a section, and create it if it does not
411 ST_FUNC Section
*find_section(TCCState
*s1
, const char *name
)
415 for(i
= 1; i
< s1
->nb_sections
; i
++) {
416 sec
= s1
->sections
[i
];
417 if (!strcmp(name
, sec
->name
))
420 /* sections are created as PROGBITS */
421 return new_section(s1
, name
, SHT_PROGBITS
, SHF_ALLOC
);
424 /* update sym->c so that it points to an external symbol in section
425 'section' with value 'value' */
426 ST_FUNC
void put_extern_sym2(Sym
*sym
, Section
*section
,
427 addr_t value
, unsigned long size
,
428 int can_add_underscore
)
430 int sym_type
, sym_bind
, sh_num
, info
, other
;
437 else if (section
== SECTION_ABS
)
440 sh_num
= section
->sh_num
;
442 if ((sym
->type
.t
& VT_BTYPE
) == VT_FUNC
) {
444 } else if ((sym
->type
.t
& VT_BTYPE
) == VT_VOID
) {
445 sym_type
= STT_NOTYPE
;
447 sym_type
= STT_OBJECT
;
450 if (sym
->type
.t
& VT_STATIC
)
451 sym_bind
= STB_LOCAL
;
453 if (sym
->type
.t
& VT_WEAK
)
456 sym_bind
= STB_GLOBAL
;
460 name
= get_tok_str(sym
->v
, NULL
);
461 #ifdef CONFIG_TCC_BCHECK
462 if (tcc_state
->do_bounds_check
) {
465 /* XXX: avoid doing that for statics ? */
466 /* if bound checking is activated, we change some function
467 names by adding the "__bound" prefix */
470 /* XXX: we rely only on malloc hooks */
483 strcpy(buf
, "__bound_");
493 if (sym
->type
.t
& VT_EXPORT
)
494 other
|= ST_PE_EXPORT
;
495 if (sym_type
== STT_FUNC
&& sym
->type
.ref
) {
496 Sym
*ref
= sym
->type
.ref
;
497 if (ref
->a
.func_export
)
498 other
|= ST_PE_EXPORT
;
499 if (ref
->a
.func_call
== FUNC_STDCALL
&& can_add_underscore
) {
500 sprintf(buf1
, "_%s@%d", name
, ref
->a
.func_args
* PTR_SIZE
);
502 other
|= ST_PE_STDCALL
;
503 can_add_underscore
= 0;
506 if (find_elf_sym(tcc_state
->dynsymtab_section
, name
))
507 other
|= ST_PE_IMPORT
;
508 if (sym
->type
.t
& VT_IMPORT
)
509 other
|= ST_PE_IMPORT
;
512 if (! (sym
->type
.t
& VT_STATIC
))
513 other
= (sym
->type
.t
& VT_VIS_MASK
) >> VT_VIS_SHIFT
;
515 if (tcc_state
->leading_underscore
&& can_add_underscore
) {
517 pstrcpy(buf1
+ 1, sizeof(buf1
) - 1, name
);
520 if (sym
->asm_label
) {
521 name
= sym
->asm_label
;
523 info
= ELFW(ST_INFO
)(sym_bind
, sym_type
);
524 sym
->c
= add_elf_sym(symtab_section
, value
, size
, info
, other
, sh_num
, name
);
526 esym
= &((ElfW(Sym
) *)symtab_section
->data
)[sym
->c
];
527 esym
->st_value
= value
;
528 esym
->st_size
= size
;
529 esym
->st_shndx
= sh_num
;
533 ST_FUNC
void put_extern_sym(Sym
*sym
, Section
*section
,
534 addr_t value
, unsigned long size
)
536 put_extern_sym2(sym
, section
, value
, size
, 1);
539 /* add a new relocation entry to symbol 'sym' in section 's' */
540 ST_FUNC
void greloc(Section
*s
, Sym
*sym
, unsigned long offset
, int type
)
545 put_extern_sym(sym
, NULL
, 0, 0);
548 /* now we can add ELF relocation info */
549 put_elf_reloc(symtab_section
, s
, offset
, type
, c
);
552 /********************************************************/
554 static void strcat_vprintf(char *buf
, int buf_size
, const char *fmt
, va_list ap
)
558 vsnprintf(buf
+ len
, buf_size
- len
, fmt
, ap
);
561 static void strcat_printf(char *buf
, int buf_size
, const char *fmt
, ...)
565 strcat_vprintf(buf
, buf_size
, fmt
, ap
);
569 static void error1(TCCState
*s1
, int is_warning
, const char *fmt
, va_list ap
)
572 BufferedFile
**pf
, *f
;
575 /* use upper file if inline ":asm:" or token ":paste:" */
576 for (f
= file
; f
&& f
->filename
[0] == ':'; f
= f
->prev
)
579 for(pf
= s1
->include_stack
; pf
< s1
->include_stack_ptr
; pf
++)
580 strcat_printf(buf
, sizeof(buf
), "In file included from %s:%d:\n",
581 (*pf
)->filename
, (*pf
)->line_num
);
582 if (f
->line_num
> 0) {
583 strcat_printf(buf
, sizeof(buf
), "%s:%d: ",
584 f
->filename
, f
->line_num
);
586 strcat_printf(buf
, sizeof(buf
), "%s: ",
590 strcat_printf(buf
, sizeof(buf
), "tcc: ");
593 strcat_printf(buf
, sizeof(buf
), "warning: ");
595 strcat_printf(buf
, sizeof(buf
), "error: ");
596 strcat_vprintf(buf
, sizeof(buf
), fmt
, ap
);
598 if (!s1
->error_func
) {
599 /* default case: stderr */
600 fprintf(stderr
, "%s\n", buf
);
602 s1
->error_func(s1
->error_opaque
, buf
);
604 if (!is_warning
|| s1
->warn_error
)
608 LIBTCCAPI
void tcc_set_error_func(TCCState
*s
, void *error_opaque
,
609 void (*error_func
)(void *opaque
, const char *msg
))
611 s
->error_opaque
= error_opaque
;
612 s
->error_func
= error_func
;
615 /* error without aborting current compilation */
616 PUB_FUNC
void tcc_error_noabort(const char *fmt
, ...)
618 TCCState
*s1
= tcc_state
;
622 error1(s1
, 0, fmt
, ap
);
626 PUB_FUNC
void tcc_error(const char *fmt
, ...)
628 TCCState
*s1
= tcc_state
;
632 error1(s1
, 0, fmt
, ap
);
634 /* better than nothing: in some cases, we accept to handle errors */
635 if (s1
->error_set_jmp_enabled
) {
636 longjmp(s1
->error_jmp_buf
, 1);
638 /* XXX: eliminate this someday */
643 PUB_FUNC
void tcc_warning(const char *fmt
, ...)
645 TCCState
*s1
= tcc_state
;
652 error1(s1
, 1, fmt
, ap
);
656 /********************************************************/
659 ST_FUNC
void tcc_open_bf(TCCState
*s1
, const char *filename
, int initlen
)
662 int buflen
= initlen
? initlen
: IO_BUF_SIZE
;
664 bf
= tcc_malloc(sizeof(BufferedFile
) + buflen
);
665 bf
->buf_ptr
= bf
->buffer
;
666 bf
->buf_end
= bf
->buffer
+ initlen
;
667 bf
->buf_end
[0] = CH_EOB
; /* put eob symbol */
668 pstrcpy(bf
->filename
, sizeof(bf
->filename
), filename
);
670 normalize_slashes(bf
->filename
);
673 bf
->ifndef_macro
= 0;
674 bf
->ifdef_stack_ptr
= s1
->ifdef_stack_ptr
;
680 ST_FUNC
void tcc_close(void)
682 BufferedFile
*bf
= file
;
685 total_lines
+= bf
->line_num
;
691 ST_FUNC
int tcc_open(TCCState
*s1
, const char *filename
)
694 if (strcmp(filename
, "-") == 0)
695 fd
= 0, filename
= "stdin";
697 fd
= open(filename
, O_RDONLY
| O_BINARY
);
698 if ((s1
->verbose
== 2 && fd
>= 0) || s1
->verbose
== 3)
699 printf("%s %*s%s\n", fd
< 0 ? "nf":"->",
700 (int)(s1
->include_stack_ptr
- s1
->include_stack
), "", filename
);
704 tcc_open_bf(s1
, filename
, 0);
709 /* compile the C file opened in 'file'. Return non zero if errors. */
710 static int tcc_compile(TCCState
*s1
)
715 volatile int section_sym
;
718 printf("%s: **** new file\n", file
->filename
);
722 cur_text_section
= NULL
;
724 anon_sym
= SYM_FIRST_ANOM
;
726 /* file info: full path + filename */
727 section_sym
= 0; /* avoid warning */
729 section_sym
= put_elf_sym(symtab_section
, 0, 0,
730 ELFW(ST_INFO
)(STB_LOCAL
, STT_SECTION
), 0,
731 text_section
->sh_num
, NULL
);
732 getcwd(buf
, sizeof(buf
));
734 normalize_slashes(buf
);
736 pstrcat(buf
, sizeof(buf
), "/");
737 put_stabs_r(buf
, N_SO
, 0, 0,
738 text_section
->data_offset
, text_section
, section_sym
);
739 put_stabs_r(file
->filename
, N_SO
, 0, 0,
740 text_section
->data_offset
, text_section
, section_sym
);
742 /* an elf symbol of type STT_FILE must be put so that STB_LOCAL
743 symbols can be safely used */
744 put_elf_sym(symtab_section
, 0, 0,
745 ELFW(ST_INFO
)(STB_LOCAL
, STT_FILE
), 0,
746 SHN_ABS
, file
->filename
);
748 /* define some often used types */
751 char_pointer_type
.t
= VT_BYTE
;
752 mk_pointer(&char_pointer_type
);
755 size_type
.t
= VT_INT
;
757 size_type
.t
= VT_LLONG
;
760 func_old_type
.t
= VT_FUNC
;
761 func_old_type
.ref
= sym_push(SYM_FIELD
, &int_type
, FUNC_CDECL
, FUNC_OLD
);
762 #ifdef TCC_TARGET_ARM
767 /* define 'void *alloca(unsigned int)' builtin function */
772 sym
= sym_push(p
, mk_pointer(VT_VOID
), FUNC_CDECL
, FUNC_NEW
);
773 s1
= sym_push(SYM_FIELD
, VT_UNSIGNED
| VT_INT
, 0, 0);
776 sym_push(TOK_alloca
, VT_FUNC
| (p
<< VT_STRUCT_SHIFT
), VT_CONST
, 0);
780 define_start
= define_stack
;
783 if (setjmp(s1
->error_jmp_buf
) == 0) {
785 s1
->error_set_jmp_enabled
= 1;
787 ch
= file
->buf_ptr
[0];
788 tok_flags
= TOK_FLAG_BOL
| TOK_FLAG_BOF
;
789 parse_flags
= PARSE_FLAG_PREPROCESS
| PARSE_FLAG_TOK_NUM
;
794 expect("declaration");
796 tcc_warning("internal compiler error: vstack leak? (%d)", vtop
- pvtop
);
798 /* end of translation unit info */
800 put_stabs_r(NULL
, N_SO
, 0, 0,
801 text_section
->data_offset
, text_section
, section_sym
);
805 s1
->error_set_jmp_enabled
= 0;
807 /* reset define stack, but leave -Dsymbols (may be incorrect if
808 they are undefined) */
809 free_defines(define_start
);
811 gen_inline_functions();
813 sym_pop(&global_stack
, NULL
);
814 sym_pop(&local_stack
, NULL
);
816 return s1
->nb_errors
!= 0 ? -1 : 0;
819 LIBTCCAPI
int tcc_compile_string(TCCState
*s
, const char *str
)
824 tcc_open_bf(s
, "<string>", len
);
825 memcpy(file
->buffer
, str
, len
);
826 ret
= tcc_compile(s
);
831 /* define a preprocessor symbol. A value can also be provided with the '=' operator */
832 LIBTCCAPI
void tcc_define_symbol(TCCState
*s1
, const char *sym
, const char *value
)
839 len2
= strlen(value
);
841 /* init file structure */
842 tcc_open_bf(s1
, "<define>", len1
+ len2
+ 1);
843 memcpy(file
->buffer
, sym
, len1
);
844 file
->buffer
[len1
] = ' ';
845 memcpy(file
->buffer
+ len1
+ 1, value
, len2
);
847 /* parse with define parser */
848 ch
= file
->buf_ptr
[0];
855 /* undefine a preprocessor symbol */
856 LIBTCCAPI
void tcc_undefine_symbol(TCCState
*s1
, const char *sym
)
860 ts
= tok_alloc(sym
, strlen(sym
));
861 s
= define_find(ts
->tok
);
862 /* undefine symbol by putting an invalid name */
867 /* cleanup all static data used during compilation */
868 static void tcc_cleanup(void)
872 if (NULL
== tcc_state
)
876 /* free -D defines */
880 n
= tok_ident
- TOK_IDENT
;
881 for(i
= 0; i
< n
; i
++){
882 def
= &table_ident
[i
]->sym_define
;
884 tcc_free(table_ident
[i
]);
886 tcc_free(table_ident
);
889 dynarray_reset(&sym_pools
, &nb_sym_pools
);
892 /* reset symbol stack */
893 sym_free_first
= NULL
;
894 /* cleanup from error/setjmp */
898 LIBTCCAPI TCCState
*tcc_new(void)
906 s
= tcc_mallocz(sizeof(TCCState
));
911 tcc_set_lib_path_w32(s
);
913 tcc_set_lib_path(s
, CONFIG_TCCDIR
);
915 s
->output_type
= TCC_OUTPUT_MEMORY
;
917 s
->include_stack_ptr
= s
->include_stack
;
919 /* we add dummy defines for some special macros to speed up tests
920 and to have working defined() */
921 define_push(TOK___LINE__
, MACRO_OBJ
, NULL
, NULL
);
922 define_push(TOK___FILE__
, MACRO_OBJ
, NULL
, NULL
);
923 define_push(TOK___DATE__
, MACRO_OBJ
, NULL
, NULL
);
924 define_push(TOK___TIME__
, MACRO_OBJ
, NULL
, NULL
);
926 /* define __TINYC__ 92X */
927 sscanf(TCC_VERSION
, "%d.%d.%d", &a
, &b
, &c
);
928 sprintf(buffer
, "%d", a
*10000 + b
*100 + c
);
929 tcc_define_symbol(s
, "__TINYC__", buffer
);
931 /* standard defines */
932 tcc_define_symbol(s
, "__STDC__", NULL
);
933 tcc_define_symbol(s
, "__STDC_VERSION__", "199901L");
934 tcc_define_symbol(s
, "__STDC_HOSTED__", NULL
);
937 #if defined(TCC_TARGET_I386)
938 tcc_define_symbol(s
, "__i386__", NULL
);
939 tcc_define_symbol(s
, "__i386", NULL
);
940 tcc_define_symbol(s
, "i386", NULL
);
941 #elif defined(TCC_TARGET_X86_64)
942 tcc_define_symbol(s
, "__x86_64__", NULL
);
943 #elif defined(TCC_TARGET_ARM)
944 tcc_define_symbol(s
, "__ARM_ARCH_4__", NULL
);
945 tcc_define_symbol(s
, "__arm_elf__", NULL
);
946 tcc_define_symbol(s
, "__arm_elf", NULL
);
947 tcc_define_symbol(s
, "arm_elf", NULL
);
948 tcc_define_symbol(s
, "__arm__", NULL
);
949 tcc_define_symbol(s
, "__arm", NULL
);
950 tcc_define_symbol(s
, "arm", NULL
);
951 tcc_define_symbol(s
, "__APCS_32__", NULL
);
952 tcc_define_symbol(s
, "__ARMEL__", NULL
);
953 #if defined(TCC_ARM_EABI)
954 tcc_define_symbol(s
, "__ARM_EABI__", NULL
);
956 #if defined(TCC_ARM_HARDFLOAT)
957 s
->float_abi
= ARM_HARD_FLOAT
;
958 tcc_define_symbol(s
, "__ARM_PCS_VFP", NULL
);
960 s
->float_abi
= ARM_SOFTFP_FLOAT
;
965 tcc_define_symbol(s
, "_WIN32", NULL
);
966 # ifdef TCC_TARGET_X86_64
967 tcc_define_symbol(s
, "_WIN64", NULL
);
970 tcc_define_symbol(s
, "__unix__", NULL
);
971 tcc_define_symbol(s
, "__unix", NULL
);
972 tcc_define_symbol(s
, "unix", NULL
);
973 # if defined(__linux)
974 tcc_define_symbol(s
, "__linux__", NULL
);
975 tcc_define_symbol(s
, "__linux", NULL
);
977 # if defined(__FreeBSD__)
979 tcc_define_symbol(s
, "__FreeBSD__", str( __FreeBSD__
));
982 # if defined(__FreeBSD_kernel__)
983 tcc_define_symbol(s
, "__FreeBSD_kernel__", NULL
);
987 /* TinyCC & gcc defines */
988 #if defined TCC_TARGET_PE && defined TCC_TARGET_X86_64
989 tcc_define_symbol(s
, "__SIZE_TYPE__", "unsigned long long");
990 tcc_define_symbol(s
, "__PTRDIFF_TYPE__", "long long");
992 tcc_define_symbol(s
, "__SIZE_TYPE__", "unsigned long");
993 tcc_define_symbol(s
, "__PTRDIFF_TYPE__", "long");
997 tcc_define_symbol(s
, "__WCHAR_TYPE__", "unsigned short");
998 tcc_define_symbol(s
, "__WINT_TYPE__", "unsigned short");
1000 tcc_define_symbol(s
, "__WCHAR_TYPE__", "int");
1001 /* wint_t is unsigned int by default, but (signed) int on BSDs
1002 and unsigned short on windows. Other OSes might have still
1003 other conventions, sigh. */
1004 #if defined(__FreeBSD__) || defined (__FreeBSD_kernel__)
1005 tcc_define_symbol(s
, "__WINT_TYPE__", "int");
1007 tcc_define_symbol(s
, "__WINT_TYPE__", "unsigned int");
1011 #ifndef TCC_TARGET_PE
1013 tcc_define_symbol(s
, "__REDIRECT(name, proto, alias)", "name proto __asm__ (#alias)");
1014 tcc_define_symbol(s
, "__REDIRECT_NTH(name, proto, alias)", "name proto __asm__ (#alias) __THROW");
1015 /* paths for crt objects */
1016 tcc_split_path(s
, (void ***)&s
->crt_paths
, &s
->nb_crt_paths
, CONFIG_TCC_CRTPREFIX
);
1019 /* no section zero */
1020 dynarray_add((void ***)&s
->sections
, &s
->nb_sections
, NULL
);
1022 /* create standard sections */
1023 text_section
= new_section(s
, ".text", SHT_PROGBITS
, SHF_ALLOC
| SHF_EXECINSTR
);
1024 data_section
= new_section(s
, ".data", SHT_PROGBITS
, SHF_ALLOC
| SHF_WRITE
);
1025 bss_section
= new_section(s
, ".bss", SHT_NOBITS
, SHF_ALLOC
| SHF_WRITE
);
1027 /* symbols are always generated for linking stage */
1028 symtab_section
= new_symtab(s
, ".symtab", SHT_SYMTAB
, 0,
1030 ".hashtab", SHF_PRIVATE
);
1031 strtab_section
= symtab_section
->link
;
1032 s
->symtab
= symtab_section
;
1034 /* private symbol table for dynamic symbols */
1035 s
->dynsymtab_section
= new_symtab(s
, ".dynsymtab", SHT_SYMTAB
, SHF_PRIVATE
,
1037 ".dynhashtab", SHF_PRIVATE
);
1038 s
->alacarte_link
= 1;
1040 s
->section_align
= ELF_PAGE_SIZE
;
1042 #ifdef CHAR_IS_UNSIGNED
1043 s
->char_is_unsigned
= 1;
1045 /* enable this if you want symbols with leading underscore on windows: */
1046 #if 0 /* def TCC_TARGET_PE */
1047 s
->leading_underscore
= 1;
1049 #ifdef TCC_TARGET_I386
1052 #ifdef TCC_IS_NATIVE
1053 s
->runtime_main
= "main";
1058 LIBTCCAPI
void tcc_delete(TCCState
*s1
)
1064 /* free all sections */
1065 for(i
= 1; i
< s1
->nb_sections
; i
++)
1066 free_section(s1
->sections
[i
]);
1067 dynarray_reset(&s1
->sections
, &s1
->nb_sections
);
1069 for(i
= 0; i
< s1
->nb_priv_sections
; i
++)
1070 free_section(s1
->priv_sections
[i
]);
1071 dynarray_reset(&s1
->priv_sections
, &s1
->nb_priv_sections
);
1073 /* free any loaded DLLs */
1074 #ifdef TCC_IS_NATIVE
1075 for ( i
= 0; i
< s1
->nb_loaded_dlls
; i
++) {
1076 DLLReference
*ref
= s1
->loaded_dlls
[i
];
1078 dlclose(ref
->handle
);
1082 /* free loaded dlls array */
1083 dynarray_reset(&s1
->loaded_dlls
, &s1
->nb_loaded_dlls
);
1085 /* free library paths */
1086 dynarray_reset(&s1
->library_paths
, &s1
->nb_library_paths
);
1087 dynarray_reset(&s1
->crt_paths
, &s1
->nb_crt_paths
);
1089 /* free include paths */
1090 dynarray_reset(&s1
->cached_includes
, &s1
->nb_cached_includes
);
1091 dynarray_reset(&s1
->include_paths
, &s1
->nb_include_paths
);
1092 dynarray_reset(&s1
->sysinclude_paths
, &s1
->nb_sysinclude_paths
);
1094 tcc_free(s1
->tcc_lib_path
);
1095 tcc_free(s1
->soname
);
1096 tcc_free(s1
->rpath
);
1097 tcc_free(s1
->init_symbol
);
1098 tcc_free(s1
->fini_symbol
);
1099 tcc_free(s1
->outfile
);
1100 tcc_free(s1
->deps_outfile
);
1101 dynarray_reset(&s1
->files
, &s1
->nb_files
);
1102 dynarray_reset(&s1
->target_deps
, &s1
->nb_target_deps
);
1104 #ifdef TCC_IS_NATIVE
1105 # ifdef HAVE_SELINUX
1106 munmap (s1
->write_mem
, s1
->mem_size
);
1107 munmap (s1
->runtime_mem
, s1
->mem_size
);
1109 tcc_free(s1
->runtime_mem
);
1113 if(s1
->sym_attrs
) tcc_free(s1
->sym_attrs
);
1118 LIBTCCAPI
int tcc_add_include_path(TCCState
*s
, const char *pathname
)
1120 tcc_split_path(s
, (void ***)&s
->include_paths
, &s
->nb_include_paths
, pathname
);
1124 LIBTCCAPI
int tcc_add_sysinclude_path(TCCState
*s
, const char *pathname
)
1126 tcc_split_path(s
, (void ***)&s
->sysinclude_paths
, &s
->nb_sysinclude_paths
, pathname
);
1130 ST_FUNC
int tcc_add_file_internal(TCCState
*s1
, const char *filename
, int flags
)
1136 /* find source file type with extension */
1137 ext
= tcc_fileextension(filename
);
1141 #ifdef CONFIG_TCC_ASM
1142 /* if .S file, define __ASSEMBLER__ like gcc does */
1143 if (!strcmp(ext
, "S"))
1144 tcc_define_symbol(s1
, "__ASSEMBLER__", NULL
);
1148 ret
= tcc_open(s1
, filename
);
1150 if (flags
& AFF_PRINT_ERROR
)
1151 tcc_error_noabort("file '%s' not found", filename
);
1155 /* update target deps */
1156 dynarray_add((void ***)&s1
->target_deps
, &s1
->nb_target_deps
,
1157 tcc_strdup(filename
));
1159 if (flags
& AFF_PREPROCESS
) {
1160 ret
= tcc_preprocess(s1
);
1164 if (!ext
[0] || !PATHCMP(ext
, "c")) {
1165 /* C file assumed */
1166 ret
= tcc_compile(s1
);
1170 #ifdef CONFIG_TCC_ASM
1171 if (!strcmp(ext
, "S")) {
1172 /* preprocessed assembler */
1173 ret
= tcc_assemble(s1
, 1);
1177 if (!strcmp(ext
, "s")) {
1178 /* non preprocessed assembler */
1179 ret
= tcc_assemble(s1
, 0);
1185 /* assume executable format: auto guess file type */
1186 size
= read(fd
, &ehdr
, sizeof(ehdr
));
1187 lseek(fd
, 0, SEEK_SET
);
1189 tcc_error_noabort("could not read header");
1193 if (size
== sizeof(ehdr
) &&
1194 ehdr
.e_ident
[0] == ELFMAG0
&&
1195 ehdr
.e_ident
[1] == ELFMAG1
&&
1196 ehdr
.e_ident
[2] == ELFMAG2
&&
1197 ehdr
.e_ident
[3] == ELFMAG3
) {
1199 /* do not display line number if error */
1201 if (ehdr
.e_type
== ET_REL
) {
1202 ret
= tcc_load_object_file(s1
, fd
, 0);
1206 #ifndef TCC_TARGET_PE
1207 if (ehdr
.e_type
== ET_DYN
) {
1208 if (s1
->output_type
== TCC_OUTPUT_MEMORY
) {
1209 #ifdef TCC_IS_NATIVE
1211 h
= dlopen(filename
, RTLD_GLOBAL
| RTLD_LAZY
);
1216 ret
= tcc_load_dll(s1
, fd
, filename
,
1217 (flags
& AFF_REFERENCED_DLL
) != 0);
1222 tcc_error_noabort("unrecognized ELF file");
1226 if (memcmp((char *)&ehdr
, ARMAG
, 8) == 0) {
1227 file
->line_num
= 0; /* do not display line number if error */
1228 ret
= tcc_load_archive(s1
, fd
);
1232 #ifdef TCC_TARGET_COFF
1233 if (*(uint16_t *)(&ehdr
) == COFF_C67_MAGIC
) {
1234 ret
= tcc_load_coff(s1
, fd
);
1239 #ifdef TCC_TARGET_PE
1240 ret
= pe_load_file(s1
, filename
, fd
);
1242 /* as GNU ld, consider it is an ld script if not recognized */
1243 ret
= tcc_load_ldscript(s1
);
1246 tcc_error_noabort("unrecognized file type");
1253 LIBTCCAPI
int tcc_add_file(TCCState
*s
, const char *filename
)
1255 if (s
->output_type
== TCC_OUTPUT_PREPROCESS
)
1256 return tcc_add_file_internal(s
, filename
, AFF_PRINT_ERROR
| AFF_PREPROCESS
);
1258 return tcc_add_file_internal(s
, filename
, AFF_PRINT_ERROR
);
1261 LIBTCCAPI
int tcc_add_library_path(TCCState
*s
, const char *pathname
)
1263 tcc_split_path(s
, (void ***)&s
->library_paths
, &s
->nb_library_paths
, pathname
);
1267 static int tcc_add_library_internal(TCCState
*s
, const char *fmt
,
1268 const char *filename
, int flags
, char **paths
, int nb_paths
)
1273 for(i
= 0; i
< nb_paths
; i
++) {
1274 snprintf(buf
, sizeof(buf
), fmt
, paths
[i
], filename
);
1275 if (tcc_add_file_internal(s
, buf
, flags
) == 0)
1281 /* find and load a dll. Return non zero if not found */
1282 /* XXX: add '-rpath' option support ? */
1283 ST_FUNC
int tcc_add_dll(TCCState
*s
, const char *filename
, int flags
)
1285 return tcc_add_library_internal(s
, "%s/%s", filename
, flags
,
1286 s
->library_paths
, s
->nb_library_paths
);
1289 ST_FUNC
int tcc_add_crt(TCCState
*s
, const char *filename
)
1291 if (-1 == tcc_add_library_internal(s
, "%s/%s",
1292 filename
, 0, s
->crt_paths
, s
->nb_crt_paths
))
1293 tcc_error_noabort("file '%s' not found", filename
);
1297 /* the library name is the same as the argument of the '-l' option */
1298 LIBTCCAPI
int tcc_add_library(TCCState
*s
, const char *libraryname
)
1300 #ifdef TCC_TARGET_PE
1301 const char *libs
[] = { "%s/%s.def", "%s/lib%s.def", "%s/%s.dll", "%s/lib%s.dll", "%s/lib%s.a", NULL
};
1302 const char **pp
= s
->static_link
? libs
+ 4 : libs
;
1304 const char *libs
[] = { "%s/lib%s.so", "%s/lib%s.a", NULL
};
1305 const char **pp
= s
->static_link
? libs
+ 1 : libs
;
1308 if (0 == tcc_add_library_internal(s
, *pp
,
1309 libraryname
, 0, s
->library_paths
, s
->nb_library_paths
))
1316 LIBTCCAPI
int tcc_add_symbol(TCCState
*s
, const char *name
, const void *val
)
1318 #ifdef TCC_TARGET_PE
1319 /* On x86_64 'val' might not be reachable with a 32bit offset.
1320 So it is handled here as if it were in a DLL. */
1321 pe_putimport(s
, 0, name
, (uintptr_t)val
);
1323 add_elf_sym(symtab_section
, (uintptr_t)val
, 0,
1324 ELFW(ST_INFO
)(STB_GLOBAL
, STT_NOTYPE
), 0,
1330 LIBTCCAPI
int tcc_set_output_type(TCCState
*s
, int output_type
)
1332 s
->output_type
= output_type
;
1335 /* default include paths */
1336 /* -isystem paths have already been handled */
1337 tcc_add_sysinclude_path(s
, CONFIG_TCC_SYSINCLUDEPATHS
);
1340 /* if bound checking, then add corresponding sections */
1341 #ifdef CONFIG_TCC_BCHECK
1342 if (s
->do_bounds_check
) {
1344 tcc_define_symbol(s
, "__BOUNDS_CHECKING_ON", NULL
);
1345 /* create bounds sections */
1346 bounds_section
= new_section(s
, ".bounds",
1347 SHT_PROGBITS
, SHF_ALLOC
);
1348 lbounds_section
= new_section(s
, ".lbounds",
1349 SHT_PROGBITS
, SHF_ALLOC
);
1353 if (s
->char_is_unsigned
) {
1354 tcc_define_symbol(s
, "__CHAR_UNSIGNED__", NULL
);
1357 /* add debug sections */
1360 stab_section
= new_section(s
, ".stab", SHT_PROGBITS
, 0);
1361 stab_section
->sh_entsize
= sizeof(Stab_Sym
);
1362 stabstr_section
= new_section(s
, ".stabstr", SHT_STRTAB
, 0);
1363 put_elf_str(stabstr_section
, "");
1364 stab_section
->link
= stabstr_section
;
1365 /* put first entry */
1366 put_stabs("", 0, 0, 0, 0);
1369 tcc_add_library_path(s
, CONFIG_TCC_LIBPATHS
);
1370 #ifdef TCC_TARGET_PE
1372 tcc_add_systemdir(s
);
1375 /* add libc crt1/crti objects */
1376 if ((output_type
== TCC_OUTPUT_EXE
|| output_type
== TCC_OUTPUT_DLL
) &&
1378 if (output_type
!= TCC_OUTPUT_DLL
)
1379 tcc_add_crt(s
, "crt1.o");
1380 tcc_add_crt(s
, "crti.o");
1386 LIBTCCAPI
void tcc_set_lib_path(TCCState
*s
, const char *path
)
1388 tcc_free(s
->tcc_lib_path
);
1389 s
->tcc_lib_path
= tcc_strdup(path
);
1392 #define WD_ALL 0x0001 /* warning is activated when using -Wall */
1393 #define FD_INVERT 0x0002 /* invert value before storing */
1395 typedef struct FlagDef
{
1401 static const FlagDef warning_defs
[] = {
1402 { offsetof(TCCState
, warn_unsupported
), 0, "unsupported" },
1403 { offsetof(TCCState
, warn_write_strings
), 0, "write-strings" },
1404 { offsetof(TCCState
, warn_error
), 0, "error" },
1405 { offsetof(TCCState
, warn_implicit_function_declaration
), WD_ALL
,
1406 "implicit-function-declaration" },
1409 ST_FUNC
int set_flag(TCCState
*s
, const FlagDef
*flags
, int nb_flags
,
1410 const char *name
, int value
)
1417 if (r
[0] == 'n' && r
[1] == 'o' && r
[2] == '-') {
1421 for(i
= 0, p
= flags
; i
< nb_flags
; i
++, p
++) {
1422 if (!strcmp(r
, p
->name
))
1427 if (p
->flags
& FD_INVERT
)
1429 *(int *)((uint8_t *)s
+ p
->offset
) = value
;
1433 /* set/reset a warning */
1434 static int tcc_set_warning(TCCState
*s
, const char *warning_name
, int value
)
1439 if (!strcmp(warning_name
, "all")) {
1440 for(i
= 0, p
= warning_defs
; i
< countof(warning_defs
); i
++, p
++) {
1441 if (p
->flags
& WD_ALL
)
1442 *(int *)((uint8_t *)s
+ p
->offset
) = 1;
1446 return set_flag(s
, warning_defs
, countof(warning_defs
),
1447 warning_name
, value
);
1451 static const FlagDef flag_defs
[] = {
1452 { offsetof(TCCState
, char_is_unsigned
), 0, "unsigned-char" },
1453 { offsetof(TCCState
, char_is_unsigned
), FD_INVERT
, "signed-char" },
1454 { offsetof(TCCState
, nocommon
), FD_INVERT
, "common" },
1455 { offsetof(TCCState
, leading_underscore
), 0, "leading-underscore" },
1458 /* set/reset a flag */
1459 static int tcc_set_flag(TCCState
*s
, const char *flag_name
, int value
)
1461 return set_flag(s
, flag_defs
, countof(flag_defs
),
1466 static int strstart(const char *val
, const char **str
)
1481 /* Like strstart, but automatically takes into account that ld options can
1483 * - start with double or single dash (e.g. '--soname' or '-soname')
1484 * - arguments can be given as separate or after '=' (e.g. '-Wl,-soname,x.so'
1485 * or '-Wl,-soname=x.so')
1487 * you provide `val` always in 'option[=]' form (no leading -)
1489 static int link_option(const char *str
, const char *val
, const char **ptr
)
1493 /* there should be 1 or 2 dashes */
1499 /* then str & val should match (potentialy up to '=') */
1503 while (*q
!= '\0' && *q
!= '=') {
1510 /* '=' near eos means ',' or '=' is ok */
1512 if (*p
!= ',' && *p
!= '=')
1523 static const char *skip_linker_arg(const char **str
)
1525 const char *s1
= *str
;
1526 const char *s2
= strchr(s1
, ',');
1527 *str
= s2
? s2
++ : (s2
= s1
+ strlen(s1
));
1531 static char *copy_linker_arg(const char *p
)
1534 skip_linker_arg(&q
);
1535 return pstrncpy(tcc_malloc(q
- p
+ 1), p
, q
- p
);
1538 /* set linker options */
1539 static int tcc_set_linker(TCCState
*s
, const char *option
)
1541 while (option
&& *option
) {
1543 const char *p
= option
;
1547 if (link_option(option
, "Bsymbolic", &p
)) {
1549 } else if (link_option(option
, "nostdlib", &p
)) {
1551 } else if (link_option(option
, "fini=", &p
)) {
1552 s
->fini_symbol
= copy_linker_arg(p
);
1554 } else if (link_option(option
, "image-base=", &p
)
1555 || link_option(option
, "Ttext=", &p
)) {
1556 s
->text_addr
= strtoull(p
, &end
, 16);
1557 s
->has_text_addr
= 1;
1558 } else if (link_option(option
, "init=", &p
)) {
1559 s
->init_symbol
= copy_linker_arg(p
);
1561 } else if (link_option(option
, "oformat=", &p
)) {
1562 #if defined(TCC_TARGET_PE)
1563 if (strstart("pe-", &p
)) {
1564 #elif defined(TCC_TARGET_X86_64)
1565 if (strstart("elf64-", &p
)) {
1567 if (strstart("elf32-", &p
)) {
1569 s
->output_format
= TCC_OUTPUT_FORMAT_ELF
;
1570 } else if (!strcmp(p
, "binary")) {
1571 s
->output_format
= TCC_OUTPUT_FORMAT_BINARY
;
1572 #ifdef TCC_TARGET_COFF
1573 } else if (!strcmp(p
, "coff")) {
1574 s
->output_format
= TCC_OUTPUT_FORMAT_COFF
;
1579 } else if (link_option(option
, "as-needed", &p
)) {
1581 } else if (link_option(option
, "O", &p
)) {
1583 } else if (link_option(option
, "rpath=", &p
)) {
1584 s
->rpath
= copy_linker_arg(p
);
1585 } else if (link_option(option
, "section-alignment=", &p
)) {
1586 s
->section_align
= strtoul(p
, &end
, 16);
1587 } else if (link_option(option
, "soname=", &p
)) {
1588 s
->soname
= copy_linker_arg(p
);
1589 #ifdef TCC_TARGET_PE
1590 } else if (link_option(option
, "file-alignment=", &p
)) {
1591 s
->pe_file_align
= strtoul(p
, &end
, 16);
1592 } else if (link_option(option
, "stack=", &p
)) {
1593 s
->pe_stack_size
= strtoul(p
, &end
, 10);
1594 } else if (link_option(option
, "subsystem=", &p
)) {
1595 #if defined(TCC_TARGET_I386) || defined(TCC_TARGET_X86_64)
1596 if (!strcmp(p
, "native")) {
1597 s
->pe_subsystem
= 1;
1598 } else if (!strcmp(p
, "console")) {
1599 s
->pe_subsystem
= 3;
1600 } else if (!strcmp(p
, "gui")) {
1601 s
->pe_subsystem
= 2;
1602 } else if (!strcmp(p
, "posix")) {
1603 s
->pe_subsystem
= 7;
1604 } else if (!strcmp(p
, "efiapp")) {
1605 s
->pe_subsystem
= 10;
1606 } else if (!strcmp(p
, "efiboot")) {
1607 s
->pe_subsystem
= 11;
1608 } else if (!strcmp(p
, "efiruntime")) {
1609 s
->pe_subsystem
= 12;
1610 } else if (!strcmp(p
, "efirom")) {
1611 s
->pe_subsystem
= 13;
1612 #elif defined(TCC_TARGET_ARM)
1613 if (!strcmp(p
, "wince")) {
1614 s
->pe_subsystem
= 9;
1622 if (ignoring
&& s
->warn_unsupported
) err
: {
1624 pstrcpy(buf
, sizeof buf
, e
= copy_linker_arg(option
)), tcc_free(e
);
1626 tcc_warning("unsupported linker option '%s'", buf
);
1628 tcc_error("unsupported linker option '%s'", buf
);
1630 option
= skip_linker_arg(&p
);
1635 typedef struct TCCOption
{
1654 TCC_OPTION_float_abi
,
1667 TCC_OPTION_nostdinc
,
1668 TCC_OPTION_nostdlib
,
1669 TCC_OPTION_print_search_dirs
,
1670 TCC_OPTION_rdynamic
,
1671 TCC_OPTION_pedantic
,
1681 TCC_OPTION_dumpversion
,
1684 #define TCC_OPTION_HAS_ARG 0x0001
1685 #define TCC_OPTION_NOSEP 0x0002 /* cannot have space before option and arg */
1687 static const TCCOption tcc_options
[] = {
1688 { "h", TCC_OPTION_HELP
, 0 },
1689 { "-help", TCC_OPTION_HELP
, 0 },
1690 { "?", TCC_OPTION_HELP
, 0 },
1691 { "I", TCC_OPTION_I
, TCC_OPTION_HAS_ARG
},
1692 { "D", TCC_OPTION_D
, TCC_OPTION_HAS_ARG
},
1693 { "U", TCC_OPTION_U
, TCC_OPTION_HAS_ARG
},
1694 { "L", TCC_OPTION_L
, TCC_OPTION_HAS_ARG
},
1695 { "B", TCC_OPTION_B
, TCC_OPTION_HAS_ARG
},
1696 { "l", TCC_OPTION_l
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1697 { "bench", TCC_OPTION_bench
, 0 },
1698 #ifdef CONFIG_TCC_BACKTRACE
1699 { "bt", TCC_OPTION_bt
, TCC_OPTION_HAS_ARG
},
1701 #ifdef CONFIG_TCC_BCHECK
1702 { "b", TCC_OPTION_b
, 0 },
1704 { "g", TCC_OPTION_g
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1705 { "c", TCC_OPTION_c
, 0 },
1706 #ifdef TCC_TARGET_ARM
1707 { "mfloat-abi", TCC_OPTION_float_abi
, TCC_OPTION_HAS_ARG
},
1709 { "static", TCC_OPTION_static
, 0 },
1710 { "shared", TCC_OPTION_shared
, 0 },
1711 { "soname", TCC_OPTION_soname
, TCC_OPTION_HAS_ARG
},
1712 { "o", TCC_OPTION_o
, TCC_OPTION_HAS_ARG
},
1713 { "pedantic", TCC_OPTION_pedantic
, 0},
1714 { "pthread", TCC_OPTION_pthread
, 0},
1715 { "run", TCC_OPTION_run
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1716 { "rdynamic", TCC_OPTION_rdynamic
, 0 },
1717 { "r", TCC_OPTION_r
, 0 },
1718 { "s", TCC_OPTION_s
, 0 },
1719 { "Wl,", TCC_OPTION_Wl
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1720 { "W", TCC_OPTION_W
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1721 { "O", TCC_OPTION_O
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1722 { "m", TCC_OPTION_m
, TCC_OPTION_HAS_ARG
},
1723 { "f", TCC_OPTION_f
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1724 { "isystem", TCC_OPTION_isystem
, TCC_OPTION_HAS_ARG
},
1725 { "nostdinc", TCC_OPTION_nostdinc
, 0 },
1726 { "nostdlib", TCC_OPTION_nostdlib
, 0 },
1727 { "print-search-dirs", TCC_OPTION_print_search_dirs
, 0 },
1728 { "v", TCC_OPTION_v
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1729 { "w", TCC_OPTION_w
, 0 },
1730 { "pipe", TCC_OPTION_pipe
, 0},
1731 { "E", TCC_OPTION_E
, 0},
1732 { "MD", TCC_OPTION_MD
, 0},
1733 { "MF", TCC_OPTION_MF
, TCC_OPTION_HAS_ARG
},
1734 { "x", TCC_OPTION_x
, TCC_OPTION_HAS_ARG
},
1735 { "dumpversion", TCC_OPTION_dumpversion
, 0},
1739 static void parse_option_D(TCCState
*s1
, const char *optarg
)
1741 char *sym
= tcc_strdup(optarg
);
1742 char *value
= strchr(sym
, '=');
1745 tcc_define_symbol(s1
, sym
, value
);
1749 PUB_FUNC
int tcc_parse_args(TCCState
*s
, int argc
, char **argv
)
1751 const TCCOption
*popt
;
1752 const char *optarg
, *r
;
1757 /* collect -Wl options for input such as "-Wl,-rpath -Wl,<path>" */
1759 cstr_new(&linker_arg
);
1761 while (optind
< argc
) {
1764 if (r
[0] != '-' || r
[1] == '\0') {
1765 /* add a new file */
1766 dynarray_add((void ***)&s
->files
, &s
->nb_files
, tcc_strdup(r
));
1769 /* argv[0] will be this file */
1775 /* find option in table */
1776 for(popt
= tcc_options
; ; ++popt
) {
1777 const char *p1
= popt
->name
;
1778 const char *r1
= r
+ 1;
1780 tcc_error("invalid option -- '%s'", r
);
1781 if (!strstart(p1
, &r1
))
1784 if (popt
->flags
& TCC_OPTION_HAS_ARG
) {
1785 if (*r1
== '\0' && !(popt
->flags
& TCC_OPTION_NOSEP
)) {
1787 tcc_error("argument to '%s' is missing", r
);
1788 optarg
= argv
[optind
++];
1790 } else if (*r1
!= '\0')
1795 switch(popt
->index
) {
1796 case TCC_OPTION_HELP
:
1799 if (tcc_add_include_path(s
, optarg
) < 0)
1800 tcc_error("too many include paths");
1803 parse_option_D(s
, optarg
);
1806 tcc_undefine_symbol(s
, optarg
);
1809 tcc_add_library_path(s
, optarg
);
1812 /* set tcc utilities path (mainly for tcc development) */
1813 tcc_set_lib_path(s
, optarg
);
1816 dynarray_add((void ***)&s
->files
, &s
->nb_files
, tcc_strdup(r
));
1819 case TCC_OPTION_pthread
:
1820 parse_option_D(s
, "_REENTRANT");
1823 case TCC_OPTION_bench
:
1826 #ifdef CONFIG_TCC_BACKTRACE
1828 tcc_set_num_callers(atoi(optarg
));
1831 #ifdef CONFIG_TCC_BCHECK
1833 s
->do_bounds_check
= 1;
1841 s
->output_type
= TCC_OUTPUT_OBJ
;
1843 #ifdef TCC_TARGET_ARM
1844 case TCC_OPTION_float_abi
:
1845 /* tcc doesn't support soft float yet */
1846 if (!strcmp(optarg
, "softfp")) {
1847 s
->float_abi
= ARM_SOFTFP_FLOAT
;
1848 tcc_undefine_symbol(s
, "__ARM_PCS_VFP");
1849 } else if (!strcmp(optarg
, "hard"))
1850 s
->float_abi
= ARM_HARD_FLOAT
;
1852 tcc_error("unsupported float abi '%s'", optarg
);
1855 case TCC_OPTION_static
:
1858 case TCC_OPTION_shared
:
1859 s
->output_type
= TCC_OUTPUT_DLL
;
1861 case TCC_OPTION_soname
:
1862 s
->soname
= tcc_strdup(optarg
);
1865 s
->option_m
= tcc_strdup(optarg
);
1868 s
->outfile
= tcc_strdup(optarg
);
1871 /* generate a .o merging several output files */
1873 s
->output_type
= TCC_OUTPUT_OBJ
;
1875 case TCC_OPTION_isystem
:
1876 tcc_add_sysinclude_path(s
, optarg
);
1878 case TCC_OPTION_nostdinc
:
1881 case TCC_OPTION_nostdlib
:
1884 case TCC_OPTION_print_search_dirs
:
1885 s
->print_search_dirs
= 1;
1887 case TCC_OPTION_run
:
1888 s
->output_type
= TCC_OUTPUT_MEMORY
;
1889 tcc_set_options(s
, optarg
);
1893 do ++s
->verbose
; while (*optarg
++ == 'v');
1896 if (tcc_set_flag(s
, optarg
, 1) < 0 && s
->warn_unsupported
)
1897 goto unsupported_option
;
1900 if (tcc_set_warning(s
, optarg
, 1) < 0 &&
1901 s
->warn_unsupported
)
1902 goto unsupported_option
;
1907 case TCC_OPTION_rdynamic
:
1911 if (linker_arg
.size
)
1912 --linker_arg
.size
, cstr_ccat(&linker_arg
, ',');
1913 cstr_cat(&linker_arg
, optarg
);
1914 cstr_ccat(&linker_arg
, '\0');
1917 s
->output_type
= TCC_OUTPUT_PREPROCESS
;
1923 s
->deps_outfile
= tcc_strdup(optarg
);
1925 case TCC_OPTION_dumpversion
:
1926 printf ("%s\n", TCC_VERSION
);
1929 case TCC_OPTION_pedantic
:
1930 case TCC_OPTION_pipe
:
1936 if (s
->warn_unsupported
) {
1938 tcc_warning("unsupported option '%s'", r
);
1944 if (pthread
&& s
->output_type
!= TCC_OUTPUT_OBJ
)
1945 tcc_set_options(s
, "-lpthread");
1947 tcc_set_linker(s
, (const char *)linker_arg
.data
);
1948 cstr_free(&linker_arg
);
1953 LIBTCCAPI
int tcc_set_options(TCCState
*s
, const char *str
)
1960 argc
= 0, argv
= NULL
;
1962 while (is_space(*str
))
1967 while (*str
!= '\0' && !is_space(*str
))
1970 arg
= tcc_malloc(len
+ 1);
1971 pstrncpy(arg
, s1
, len
);
1972 dynarray_add((void ***)&argv
, &argc
, arg
);
1974 ret
= tcc_parse_args(s
, argc
, argv
);
1975 dynarray_reset(&argv
, &argc
);
1979 PUB_FUNC
void tcc_print_stats(TCCState
*s
, int64_t total_time
)
1982 tt
= (double)total_time
/ 1000000.0;
1985 if (total_bytes
< 1)
1987 printf("%d idents, %d lines, %d bytes, %0.3f s, %d lines/s, %0.1f MB/s\n",
1988 tok_ident
- TOK_IDENT
, total_lines
, total_bytes
,
1989 tt
, (int)(total_lines
/ tt
),
1990 total_bytes
/ tt
/ 1000000.0);
1993 PUB_FUNC
void tcc_set_environment(TCCState
*s
)
1997 path
= getenv("C_INCLUDE_PATH");
1999 tcc_add_include_path(s
, path
);
2001 path
= getenv("CPATH");
2003 tcc_add_include_path(s
, path
);
2005 path
= getenv("LIBRARY_PATH");
2007 tcc_add_library_path(s
, path
);