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
44 #include "i386-link.c"
50 #ifdef TCC_TARGET_ARM64
51 #include "arm64-gen.c"
52 #include "arm64-link.c"
58 #ifdef TCC_TARGET_X86_64
59 #include "x86_64-gen.c"
60 #include "x86_64-link.c"
64 #if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
68 #ifdef TCC_TARGET_COFF
74 #endif /* ONE_SOURCE */
76 /********************************************************/
77 #ifndef CONFIG_TCC_ASM
78 ST_FUNC
void asm_instr(void)
80 tcc_error("inline asm() not supported");
82 ST_FUNC
void asm_global_instr(void)
84 tcc_error("inline asm() not supported");
88 /********************************************************/
90 ST_FUNC
char *normalize_slashes(char *path
)
93 for (p
= path
; *p
; ++p
)
99 static HMODULE tcc_module
;
101 /* on win32, we suppose the lib and includes are at the location of 'tcc.exe' */
102 static void tcc_set_lib_path_w32(TCCState
*s
)
105 GetModuleFileNameA(tcc_module
, path
, sizeof path
);
106 p
= tcc_basename(normalize_slashes(strlwr(path
)));
107 if (p
- 5 > path
&& 0 == strncmp(p
- 5, "/bin/", 5))
112 tcc_set_lib_path(s
, path
);
116 static void tcc_add_systemdir(TCCState
*s
)
119 GetSystemDirectory(buf
, sizeof buf
);
120 tcc_add_library_path(s
, normalize_slashes(buf
));
125 BOOL WINAPI
DllMain (HINSTANCE hDll
, DWORD dwReason
, LPVOID lpReserved
)
127 if (DLL_PROCESS_ATTACH
== dwReason
)
134 /********************************************************/
135 /* copy a string and truncate it. */
136 PUB_FUNC
char *pstrcpy(char *buf
, int buf_size
, const char *s
)
143 q_end
= buf
+ buf_size
- 1;
155 /* strcat and truncate. */
156 PUB_FUNC
char *pstrcat(char *buf
, int buf_size
, const char *s
)
161 pstrcpy(buf
+ len
, buf_size
- len
, s
);
165 PUB_FUNC
char *pstrncpy(char *out
, const char *in
, size_t num
)
167 memcpy(out
, in
, num
);
172 /* extract the basename of a file */
173 PUB_FUNC
char *tcc_basename(const char *name
)
175 char *p
= strchr(name
, 0);
176 while (p
> name
&& !IS_DIRSEP(p
[-1]))
181 /* extract extension part of a file
183 * (if no extension, return pointer to end-of-string)
185 PUB_FUNC
char *tcc_fileextension (const char *name
)
187 char *b
= tcc_basename(name
);
188 char *e
= strrchr(b
, '.');
189 return e
? e
: strchr(b
, 0);
192 /********************************************************/
193 /* memory management */
201 PUB_FUNC
void tcc_free(void *ptr
)
206 PUB_FUNC
void *tcc_malloc(unsigned long size
)
211 tcc_error("memory full (malloc)");
215 PUB_FUNC
void *tcc_mallocz(unsigned long size
)
218 ptr
= tcc_malloc(size
);
219 memset(ptr
, 0, size
);
223 PUB_FUNC
void *tcc_realloc(void *ptr
, unsigned long size
)
226 ptr1
= realloc(ptr
, size
);
228 tcc_error("memory full (realloc)");
232 PUB_FUNC
char *tcc_strdup(const char *str
)
235 ptr
= tcc_malloc(strlen(str
) + 1);
240 PUB_FUNC
void tcc_memstats(int bench
)
246 #define MEM_DEBUG_MAGIC1 0xFEEDDEB1
247 #define MEM_DEBUG_MAGIC2 0xFEEDDEB2
248 #define MEM_DEBUG_MAGIC3 0xFEEDDEB3
249 #define MEM_DEBUG_FILE_LEN 40
250 #define MEM_DEBUG_CHECK3(header) \
251 ((mem_debug_header_t*)((char*)header + header->size))->magic3
252 #define MEM_USER_PTR(header) \
253 ((char *)header + offsetof(mem_debug_header_t, magic3))
254 #define MEM_HEADER_PTR(ptr) \
255 (mem_debug_header_t *)((char*)ptr - offsetof(mem_debug_header_t, magic3))
257 struct mem_debug_header
{
260 struct mem_debug_header
*prev
;
261 struct mem_debug_header
*next
;
263 char file_name
[MEM_DEBUG_FILE_LEN
+ 1];
268 typedef struct mem_debug_header mem_debug_header_t
;
270 static mem_debug_header_t
*mem_debug_chain
;
271 static unsigned mem_cur_size
;
272 static unsigned mem_max_size
;
274 static mem_debug_header_t
*malloc_check(void *ptr
, const char *msg
)
276 mem_debug_header_t
* header
= MEM_HEADER_PTR(ptr
);
277 if (header
->magic1
!= MEM_DEBUG_MAGIC1
||
278 header
->magic2
!= MEM_DEBUG_MAGIC2
||
279 MEM_DEBUG_CHECK3(header
) != MEM_DEBUG_MAGIC3
||
280 header
->size
== (unsigned)-1) {
281 fprintf(stderr
, "%s check failed\n", msg
);
282 if (header
->magic1
== MEM_DEBUG_MAGIC1
)
283 fprintf(stderr
, "%s:%u: block allocated here.\n",
284 header
->file_name
, header
->line_num
);
290 PUB_FUNC
void *tcc_malloc_debug(unsigned long size
, const char *file
, int line
)
293 mem_debug_header_t
*header
;
295 header
= malloc(sizeof(mem_debug_header_t
) + size
);
297 tcc_error("memory full (malloc)");
299 header
->magic1
= MEM_DEBUG_MAGIC1
;
300 header
->magic2
= MEM_DEBUG_MAGIC2
;
302 MEM_DEBUG_CHECK3(header
) = MEM_DEBUG_MAGIC3
;
303 header
->line_num
= line
;
304 ofs
= strlen(file
) - MEM_DEBUG_FILE_LEN
;
305 strncpy(header
->file_name
, file
+ (ofs
> 0 ? ofs
: 0), MEM_DEBUG_FILE_LEN
);
306 header
->file_name
[MEM_DEBUG_FILE_LEN
] = 0;
308 header
->next
= mem_debug_chain
;
311 header
->next
->prev
= header
;
312 mem_debug_chain
= header
;
314 mem_cur_size
+= size
;
315 if (mem_cur_size
> mem_max_size
)
316 mem_max_size
= mem_cur_size
;
318 return MEM_USER_PTR(header
);
321 PUB_FUNC
void tcc_free_debug(void *ptr
)
323 mem_debug_header_t
*header
;
326 header
= malloc_check(ptr
, "tcc_free");
327 mem_cur_size
-= header
->size
;
328 header
->size
= (unsigned)-1;
330 header
->next
->prev
= header
->prev
;
332 header
->prev
->next
= header
->next
;
333 if (header
== mem_debug_chain
)
334 mem_debug_chain
= header
->next
;
338 PUB_FUNC
void *tcc_mallocz_debug(unsigned long size
, const char *file
, int line
)
341 ptr
= tcc_malloc_debug(size
,file
,line
);
342 memset(ptr
, 0, size
);
346 PUB_FUNC
void *tcc_realloc_debug(void *ptr
, unsigned long size
, const char *file
, int line
)
348 mem_debug_header_t
*header
;
349 int mem_debug_chain_update
= 0;
351 return tcc_malloc_debug(size
, file
, line
);
352 header
= malloc_check(ptr
, "tcc_realloc");
353 mem_cur_size
-= header
->size
;
354 mem_debug_chain_update
= (header
== mem_debug_chain
);
355 header
= realloc(header
, sizeof(mem_debug_header_t
) + size
);
357 tcc_error("memory full (realloc)");
359 MEM_DEBUG_CHECK3(header
) = MEM_DEBUG_MAGIC3
;
361 header
->next
->prev
= header
;
363 header
->prev
->next
= header
;
364 if (mem_debug_chain_update
)
365 mem_debug_chain
= header
;
366 mem_cur_size
+= size
;
367 if (mem_cur_size
> mem_max_size
)
368 mem_max_size
= mem_cur_size
;
369 return MEM_USER_PTR(header
);
372 PUB_FUNC
char *tcc_strdup_debug(const char *str
, const char *file
, int line
)
375 ptr
= tcc_malloc_debug(strlen(str
) + 1, file
, line
);
380 PUB_FUNC
void tcc_memstats(int bench
)
383 mem_debug_header_t
*header
= mem_debug_chain
;
384 fprintf(stderr
, "MEM_DEBUG: mem_leak= %d bytes, mem_max_size= %d bytes\n",
385 mem_cur_size
, mem_max_size
);
387 fprintf(stderr
, "%s:%u: error: %u bytes leaked\n",
388 header
->file_name
, header
->line_num
, header
->size
);
389 header
= header
->next
;
395 fprintf(stderr
, "mem_max_size= %d bytes\n", mem_max_size
);
397 #endif /* MEM_DEBUG */
399 #define free(p) use_tcc_free(p)
400 #define malloc(s) use_tcc_malloc(s)
401 #define realloc(p, s) use_tcc_realloc(p, s)
403 /********************************************************/
406 ST_FUNC
void dynarray_add(void ***ptab
, int *nb_ptr
, void *data
)
413 /* every power of two we double array size */
414 if ((nb
& (nb
- 1)) == 0) {
419 pp
= tcc_realloc(pp
, nb_alloc
* sizeof(void *));
426 ST_FUNC
void dynarray_reset(void *pp
, int *n
)
429 for (p
= *(void***)pp
; *n
; ++p
, --*n
)
432 tcc_free(*(void**)pp
);
436 static void tcc_split_path(TCCState
*s
, void ***p_ary
, int *p_nb_ary
, const char *in
)
444 for (p
= in
; c
= *p
, c
!= '\0' && c
!= PATHSEP
; ++p
) {
445 if (c
== '{' && p
[1] && p
[2] == '}') {
448 cstr_cat(&str
, s
->tcc_lib_path
, -1);
454 cstr_ccat(&str
, '\0');
455 dynarray_add(p_ary
, p_nb_ary
, tcc_strdup(str
.data
));
462 /********************************************************/
464 static void strcat_vprintf(char *buf
, int buf_size
, const char *fmt
, va_list ap
)
468 vsnprintf(buf
+ len
, buf_size
- len
, fmt
, ap
);
471 static void strcat_printf(char *buf
, int buf_size
, const char *fmt
, ...)
475 strcat_vprintf(buf
, buf_size
, fmt
, ap
);
479 static void error1(TCCState
*s1
, int is_warning
, const char *fmt
, va_list ap
)
482 BufferedFile
**pf
, *f
;
485 /* use upper file if inline ":asm:" or token ":paste:" */
486 for (f
= file
; f
&& f
->filename
[0] == ':'; f
= f
->prev
)
489 for(pf
= s1
->include_stack
; pf
< s1
->include_stack_ptr
; pf
++)
490 strcat_printf(buf
, sizeof(buf
), "In file included from %s:%d:\n",
491 (*pf
)->filename
, (*pf
)->line_num
);
492 if (f
->line_num
> 0) {
493 strcat_printf(buf
, sizeof(buf
), "%s:%d: ",
494 f
->filename
, f
->line_num
- !!(tok_flags
& TOK_FLAG_BOL
));
496 strcat_printf(buf
, sizeof(buf
), "%s: ",
500 strcat_printf(buf
, sizeof(buf
), "tcc: ");
503 strcat_printf(buf
, sizeof(buf
), "warning: ");
505 strcat_printf(buf
, sizeof(buf
), "error: ");
506 strcat_vprintf(buf
, sizeof(buf
), fmt
, ap
);
508 if (!s1
->error_func
) {
509 /* default case: stderr */
510 if (s1
->ppfp
) /* print a newline during tcc -E */
511 fprintf(s1
->ppfp
, "\n"), fflush(s1
->ppfp
);
512 fprintf(stderr
, "%s\n", buf
);
513 fflush(stderr
); /* print error/warning now (win32) */
515 s1
->error_func(s1
->error_opaque
, buf
);
517 if (!is_warning
|| s1
->warn_error
)
521 LIBTCCAPI
void tcc_set_error_func(TCCState
*s
, void *error_opaque
,
522 void (*error_func
)(void *opaque
, const char *msg
))
524 s
->error_opaque
= error_opaque
;
525 s
->error_func
= error_func
;
528 /* error without aborting current compilation */
529 PUB_FUNC
void tcc_error_noabort(const char *fmt
, ...)
531 TCCState
*s1
= tcc_state
;
535 error1(s1
, 0, fmt
, ap
);
539 PUB_FUNC
void tcc_error(const char *fmt
, ...)
541 TCCState
*s1
= tcc_state
;
545 error1(s1
, 0, fmt
, ap
);
547 /* better than nothing: in some cases, we accept to handle errors */
548 if (s1
->error_set_jmp_enabled
) {
549 longjmp(s1
->error_jmp_buf
, 1);
551 /* XXX: eliminate this someday */
556 PUB_FUNC
void tcc_warning(const char *fmt
, ...)
558 TCCState
*s1
= tcc_state
;
565 error1(s1
, 1, fmt
, ap
);
569 /********************************************************/
572 ST_FUNC
void tcc_open_bf(TCCState
*s1
, const char *filename
, int initlen
)
575 int buflen
= initlen
? initlen
: IO_BUF_SIZE
;
577 bf
= tcc_mallocz(sizeof(BufferedFile
) + buflen
);
578 bf
->buf_ptr
= bf
->buffer
;
579 bf
->buf_end
= bf
->buffer
+ initlen
;
580 bf
->buf_end
[0] = CH_EOB
; /* put eob symbol */
581 pstrcpy(bf
->filename
, sizeof(bf
->filename
), filename
);
583 normalize_slashes(bf
->filename
);
586 bf
->ifdef_stack_ptr
= s1
->ifdef_stack_ptr
;
592 ST_FUNC
void tcc_close(void)
594 BufferedFile
*bf
= file
;
597 total_lines
+= bf
->line_num
;
603 ST_FUNC
int tcc_open(TCCState
*s1
, const char *filename
)
606 if (strcmp(filename
, "-") == 0)
607 fd
= 0, filename
= "<stdin>";
609 fd
= open(filename
, O_RDONLY
| O_BINARY
);
610 if ((s1
->verbose
== 2 && fd
>= 0) || s1
->verbose
== 3)
611 printf("%s %*s%s\n", fd
< 0 ? "nf":"->",
612 (int)(s1
->include_stack_ptr
- s1
->include_stack
), "", filename
);
616 tcc_open_bf(s1
, filename
, 0);
621 /* compile the C file opened in 'file'. Return non zero if errors. */
622 static int tcc_compile(TCCState
*s1
)
626 preprocess_start(s1
);
627 define_start
= define_stack
;
629 if (setjmp(s1
->error_jmp_buf
) == 0) {
631 s1
->error_set_jmp_enabled
= 1;
635 printf("%s: **** new file\n", file
->filename
);
637 ch
= file
->buf_ptr
[0];
638 tok_flags
= TOK_FLAG_BOL
| TOK_FLAG_BOF
;
639 parse_flags
= PARSE_FLAG_PREPROCESS
| PARSE_FLAG_TOK_NUM
| PARSE_FLAG_TOK_STR
;
643 expect("declaration");
644 /* reset define stack, but keep -D and built-ins */
645 free_defines(define_start
);
648 s1
->error_set_jmp_enabled
= 0;
650 free_inline_functions(s1
);
651 sym_pop(&global_stack
, NULL
, 0);
652 sym_pop(&local_stack
, NULL
, 0);
653 return s1
->nb_errors
!= 0 ? -1 : 0;
656 LIBTCCAPI
int tcc_compile_string(TCCState
*s
, const char *str
)
661 tcc_open_bf(s
, "<string>", len
);
662 memcpy(file
->buffer
, str
, len
);
663 ret
= tcc_compile(s
);
668 /* define a preprocessor symbol. A value can also be provided with the '=' operator */
669 LIBTCCAPI
void tcc_define_symbol(TCCState
*s1
, const char *sym
, const char *value
)
676 len2
= strlen(value
);
678 /* init file structure */
679 tcc_open_bf(s1
, "<define>", len1
+ len2
+ 1);
680 memcpy(file
->buffer
, sym
, len1
);
681 file
->buffer
[len1
] = ' ';
682 memcpy(file
->buffer
+ len1
+ 1, value
, len2
);
684 /* parse with define parser */
685 ch
= file
->buf_ptr
[0];
692 /* undefine a preprocessor symbol */
693 LIBTCCAPI
void tcc_undefine_symbol(TCCState
*s1
, const char *sym
)
697 ts
= tok_alloc(sym
, strlen(sym
));
698 s
= define_find(ts
->tok
);
699 /* undefine symbol by putting an invalid name */
704 /* cleanup all static data used during compilation */
705 static void tcc_cleanup(void)
707 if (NULL
== tcc_state
)
709 tccpp_delete(tcc_state
);
712 dynarray_reset(&sym_pools
, &nb_sym_pools
);
713 /* reset symbol stack */
714 sym_free_first
= NULL
;
717 LIBTCCAPI TCCState
*tcc_new(void)
723 s
= tcc_mallocz(sizeof(TCCState
));
728 s
->alacarte_link
= 1;
730 s
->warn_implicit_function_declaration
= 1;
732 #ifdef CHAR_IS_UNSIGNED
733 s
->char_is_unsigned
= 1;
735 #ifdef TCC_TARGET_I386
739 s
->runtime_main
= "main";
741 /* enable this if you want symbols with leading underscore on windows: */
742 #if 0 /* def TCC_TARGET_PE */
743 s
->leading_underscore
= 1;
746 tcc_set_lib_path_w32(s
);
748 tcc_set_lib_path(s
, CONFIG_TCCDIR
);
753 /* we add dummy defines for some special macros to speed up tests
754 and to have working defined() */
755 define_push(TOK___LINE__
, MACRO_OBJ
, NULL
, NULL
);
756 define_push(TOK___FILE__
, MACRO_OBJ
, NULL
, NULL
);
757 define_push(TOK___DATE__
, MACRO_OBJ
, NULL
, NULL
);
758 define_push(TOK___TIME__
, MACRO_OBJ
, NULL
, NULL
);
760 /* define __TINYC__ 92X */
761 char buffer
[32]; int a
,b
,c
;
762 sscanf(TCC_VERSION
, "%d.%d.%d", &a
, &b
, &c
);
763 sprintf(buffer
, "%d", a
*10000 + b
*100 + c
);
764 tcc_define_symbol(s
, "__TINYC__", buffer
);
767 /* standard defines */
768 tcc_define_symbol(s
, "__STDC__", NULL
);
769 tcc_define_symbol(s
, "__STDC_VERSION__", "199901L");
770 tcc_define_symbol(s
, "__STDC_HOSTED__", NULL
);
773 #if defined(TCC_TARGET_I386)
774 tcc_define_symbol(s
, "__i386__", NULL
);
775 tcc_define_symbol(s
, "__i386", NULL
);
776 tcc_define_symbol(s
, "i386", NULL
);
777 #elif defined(TCC_TARGET_X86_64)
778 tcc_define_symbol(s
, "__x86_64__", NULL
);
779 #elif defined(TCC_TARGET_ARM)
780 tcc_define_symbol(s
, "__ARM_ARCH_4__", NULL
);
781 tcc_define_symbol(s
, "__arm_elf__", NULL
);
782 tcc_define_symbol(s
, "__arm_elf", NULL
);
783 tcc_define_symbol(s
, "arm_elf", NULL
);
784 tcc_define_symbol(s
, "__arm__", NULL
);
785 tcc_define_symbol(s
, "__arm", NULL
);
786 tcc_define_symbol(s
, "arm", NULL
);
787 tcc_define_symbol(s
, "__APCS_32__", NULL
);
788 tcc_define_symbol(s
, "__ARMEL__", NULL
);
789 #if defined(TCC_ARM_EABI)
790 tcc_define_symbol(s
, "__ARM_EABI__", NULL
);
792 #if defined(TCC_ARM_HARDFLOAT)
793 s
->float_abi
= ARM_HARD_FLOAT
;
794 tcc_define_symbol(s
, "__ARM_PCS_VFP", NULL
);
796 s
->float_abi
= ARM_SOFTFP_FLOAT
;
798 #elif defined(TCC_TARGET_ARM64)
799 tcc_define_symbol(s
, "__aarch64__", NULL
);
803 tcc_define_symbol(s
, "_WIN32", NULL
);
804 # ifdef TCC_TARGET_X86_64
805 tcc_define_symbol(s
, "_WIN64", NULL
);
808 tcc_define_symbol(s
, "__unix__", NULL
);
809 tcc_define_symbol(s
, "__unix", NULL
);
810 tcc_define_symbol(s
, "unix", NULL
);
811 # if defined(__linux__)
812 tcc_define_symbol(s
, "__linux__", NULL
);
813 tcc_define_symbol(s
, "__linux", NULL
);
815 # if defined(__FreeBSD__)
816 tcc_define_symbol(s
, "__FreeBSD__", "__FreeBSD__");
817 /* No 'Thread Storage Local' on FreeBSD with tcc */
818 tcc_define_symbol(s
, "__NO_TLS", NULL
);
820 # if defined(__FreeBSD_kernel__)
821 tcc_define_symbol(s
, "__FreeBSD_kernel__", NULL
);
824 # if defined(__NetBSD__)
825 tcc_define_symbol(s
, "__NetBSD__", "__NetBSD__");
827 # if defined(__OpenBSD__)
828 tcc_define_symbol(s
, "__OpenBSD__", "__OpenBSD__");
831 /* TinyCC & gcc defines */
832 #if defined(TCC_TARGET_PE) && defined(TCC_TARGET_X86_64)
834 tcc_define_symbol(s
, "__SIZE_TYPE__", "unsigned long long");
835 tcc_define_symbol(s
, "__PTRDIFF_TYPE__", "long long");
836 tcc_define_symbol(s
, "__LLP64__", NULL
);
837 #elif defined(TCC_TARGET_X86_64) || defined(TCC_TARGET_ARM64)
838 /* Other 64bit systems. */
839 tcc_define_symbol(s
, "__SIZE_TYPE__", "unsigned long");
840 tcc_define_symbol(s
, "__PTRDIFF_TYPE__", "long");
841 tcc_define_symbol(s
, "__LP64__", NULL
);
843 /* Other 32bit systems. */
844 tcc_define_symbol(s
, "__SIZE_TYPE__", "unsigned long");
845 tcc_define_symbol(s
, "__PTRDIFF_TYPE__", "long");
846 tcc_define_symbol(s
, "__ILP32__", NULL
);
850 tcc_define_symbol(s
, "__WCHAR_TYPE__", "unsigned short");
851 tcc_define_symbol(s
, "__WINT_TYPE__", "unsigned short");
853 tcc_define_symbol(s
, "__WCHAR_TYPE__", "int");
854 /* wint_t is unsigned int by default, but (signed) int on BSDs
855 and unsigned short on windows. Other OSes might have still
856 other conventions, sigh. */
857 # if defined(__FreeBSD__) || defined (__FreeBSD_kernel__) \
858 || defined(__NetBSD__) || defined(__OpenBSD__)
859 tcc_define_symbol(s
, "__WINT_TYPE__", "int");
861 /* define __GNUC__ to have some useful stuff from sys/cdefs.h
862 that are unconditionally used in FreeBSDs other system headers :/ */
863 tcc_define_symbol(s
, "__GNUC__", "2");
864 tcc_define_symbol(s
, "__GNUC_MINOR__", "7");
865 tcc_define_symbol(s
, "__builtin_alloca", "alloca");
868 tcc_define_symbol(s
, "__WINT_TYPE__", "unsigned int");
870 tcc_define_symbol(s
, "__REDIRECT(name, proto, alias)",
871 "name proto __asm__ (#alias)");
872 tcc_define_symbol(s
, "__REDIRECT_NTH(name, proto, alias)",
873 "name proto __asm__ (#alias) __THROW");
875 #endif /* ndef TCC_TARGET_PE */
877 /* Some GCC builtins that are simple to express as macros. */
878 tcc_define_symbol(s
, "__builtin_extract_return_addr(x)", "x");
883 LIBTCCAPI
void tcc_delete(TCCState
*s1
)
885 int bench
= s1
->do_bench
;
892 /* free library paths */
893 dynarray_reset(&s1
->library_paths
, &s1
->nb_library_paths
);
894 dynarray_reset(&s1
->crt_paths
, &s1
->nb_crt_paths
);
896 /* free include paths */
897 dynarray_reset(&s1
->cached_includes
, &s1
->nb_cached_includes
);
898 dynarray_reset(&s1
->include_paths
, &s1
->nb_include_paths
);
899 dynarray_reset(&s1
->sysinclude_paths
, &s1
->nb_sysinclude_paths
);
901 tcc_free(s1
->tcc_lib_path
);
902 tcc_free(s1
->soname
);
904 tcc_free(s1
->init_symbol
);
905 tcc_free(s1
->fini_symbol
);
906 tcc_free(s1
->outfile
);
907 tcc_free(s1
->deps_outfile
);
908 dynarray_reset(&s1
->files
, &s1
->nb_files
);
909 dynarray_reset(&s1
->target_deps
, &s1
->nb_target_deps
);
910 dynarray_reset(&s1
->pragma_libs
, &s1
->nb_pragma_libs
);
913 /* free runtime memory */
921 LIBTCCAPI
int tcc_set_output_type(TCCState
*s
, int output_type
)
923 s
->output_type
= output_type
;
925 /* always elf for objects */
926 if (output_type
== TCC_OUTPUT_OBJ
)
927 s
->output_format
= TCC_OUTPUT_FORMAT_ELF
;
929 if (s
->char_is_unsigned
)
930 tcc_define_symbol(s
, "__CHAR_UNSIGNED__", NULL
);
933 /* default include paths */
934 /* -isystem paths have already been handled */
935 tcc_add_sysinclude_path(s
, CONFIG_TCC_SYSINCLUDEPATHS
);
938 #ifdef CONFIG_TCC_BCHECK
939 if (s
->do_bounds_check
) {
940 /* if bound checking, then add corresponding sections */
941 tccelf_bounds_new(s
);
943 tcc_define_symbol(s
, "__BOUNDS_CHECKING_ON", NULL
);
947 /* add debug sections */
951 tcc_add_library_path(s
, CONFIG_TCC_LIBPATHS
);
955 if (!s
->nostdlib
&& output_type
!= TCC_OUTPUT_OBJ
)
956 tcc_add_systemdir(s
);
959 /* paths for crt objects */
960 tcc_split_path(s
, (void ***)&s
->crt_paths
, &s
->nb_crt_paths
, CONFIG_TCC_CRTPREFIX
);
961 /* add libc crt1/crti objects */
962 if ((output_type
== TCC_OUTPUT_EXE
|| output_type
== TCC_OUTPUT_DLL
) &&
964 if (output_type
!= TCC_OUTPUT_DLL
)
965 tcc_add_crt(s
, "crt1.o");
966 tcc_add_crt(s
, "crti.o");
972 LIBTCCAPI
int tcc_add_include_path(TCCState
*s
, const char *pathname
)
974 tcc_split_path(s
, (void ***)&s
->include_paths
, &s
->nb_include_paths
, pathname
);
978 LIBTCCAPI
int tcc_add_sysinclude_path(TCCState
*s
, const char *pathname
)
980 tcc_split_path(s
, (void ***)&s
->sysinclude_paths
, &s
->nb_sysinclude_paths
, pathname
);
984 ST_FUNC
int tcc_add_file_internal(TCCState
*s1
, const char *filename
, int flags
)
988 filetype
= flags
& 0x0F;
990 /* use a file extension to detect a filetype */
991 const char *ext
= tcc_fileextension(filename
);
994 if (!strcmp(ext
, "S"))
995 filetype
= AFF_TYPE_ASMPP
;
996 else if (!strcmp(ext
, "s"))
997 filetype
= AFF_TYPE_ASM
;
998 else if (!PATHCMP(ext
, "c") || !PATHCMP(ext
, "i"))
999 filetype
= AFF_TYPE_C
;
1001 filetype
= AFF_TYPE_BIN
;
1003 filetype
= AFF_TYPE_C
;
1008 ret
= tcc_open(s1
, filename
);
1010 if (flags
& AFF_PRINT_ERROR
)
1011 tcc_error_noabort("file '%s' not found", filename
);
1015 /* update target deps */
1016 dynarray_add((void ***)&s1
->target_deps
, &s1
->nb_target_deps
,
1017 tcc_strdup(filename
));
1020 /* if .S file, define __ASSEMBLER__ like gcc does */
1021 if (filetype
== AFF_TYPE_ASM
|| filetype
== AFF_TYPE_ASMPP
) {
1022 tcc_define_symbol(s1
, "__ASSEMBLER__", NULL
);
1023 parse_flags
= PARSE_FLAG_ASM_FILE
;
1026 if (flags
& AFF_PREPROCESS
) {
1027 ret
= tcc_preprocess(s1
);
1028 } else if (filetype
== AFF_TYPE_C
) {
1029 ret
= tcc_compile(s1
);
1030 #ifdef CONFIG_TCC_ASM
1031 } else if (filetype
== AFF_TYPE_ASMPP
) {
1032 /* non preprocessed assembler */
1033 ret
= tcc_assemble(s1
, 1);
1034 } else if (filetype
== AFF_TYPE_ASM
) {
1035 /* preprocessed assembler */
1036 ret
= tcc_assemble(s1
, 0);
1043 obj_type
= tcc_object_type(fd
, &ehdr
);
1044 lseek(fd
, 0, SEEK_SET
);
1046 /* do not display line number if error */
1050 case AFF_BINTYPE_REL
:
1051 ret
= tcc_load_object_file(s1
, fd
, 0);
1053 #ifndef TCC_TARGET_PE
1054 case AFF_BINTYPE_DYN
:
1055 if (s1
->output_type
== TCC_OUTPUT_MEMORY
) {
1057 #ifdef TCC_IS_NATIVE
1058 if (NULL
== dlopen(filename
, RTLD_GLOBAL
| RTLD_LAZY
))
1062 ret
= tcc_load_dll(s1
, fd
, filename
,
1063 (flags
& AFF_REFERENCED_DLL
) != 0);
1067 case AFF_BINTYPE_AR
:
1068 ret
= tcc_load_archive(s1
, fd
);
1070 #ifdef TCC_TARGET_COFF
1071 case AFF_BINTYPE_C67
:
1072 ret
= tcc_load_coff(s1
, fd
);
1076 #ifdef TCC_TARGET_PE
1077 ret
= pe_load_file(s1
, filename
, fd
);
1079 /* as GNU ld, consider it is an ld script if not recognized */
1080 ret
= tcc_load_ldscript(s1
);
1083 tcc_error_noabort("unrecognized file type");
1091 LIBTCCAPI
int tcc_add_file(TCCState
*s
, const char *filename
)
1093 if (s
->output_type
== TCC_OUTPUT_PREPROCESS
)
1094 return tcc_add_file_internal(s
, filename
, AFF_PRINT_ERROR
| AFF_PREPROCESS
| s
->filetype
);
1096 return tcc_add_file_internal(s
, filename
, AFF_PRINT_ERROR
| s
->filetype
);
1099 LIBTCCAPI
int tcc_add_library_path(TCCState
*s
, const char *pathname
)
1101 tcc_split_path(s
, (void ***)&s
->library_paths
, &s
->nb_library_paths
, pathname
);
1105 static int tcc_add_library_internal(TCCState
*s
, const char *fmt
,
1106 const char *filename
, int flags
, char **paths
, int nb_paths
)
1111 for(i
= 0; i
< nb_paths
; i
++) {
1112 snprintf(buf
, sizeof(buf
), fmt
, paths
[i
], filename
);
1113 if (tcc_add_file_internal(s
, buf
, flags
| AFF_TYPE_BIN
) == 0)
1119 #ifndef TCC_TARGET_PE
1120 /* find and load a dll. Return non zero if not found */
1121 /* XXX: add '-rpath' option support ? */
1122 ST_FUNC
int tcc_add_dll(TCCState
*s
, const char *filename
, int flags
)
1124 return tcc_add_library_internal(s
, "%s/%s", filename
, flags
,
1125 s
->library_paths
, s
->nb_library_paths
);
1129 ST_FUNC
int tcc_add_crt(TCCState
*s
, const char *filename
)
1131 if (-1 == tcc_add_library_internal(s
, "%s/%s",
1132 filename
, 0, s
->crt_paths
, s
->nb_crt_paths
))
1133 tcc_error_noabort("file '%s' not found", filename
);
1137 /* the library name is the same as the argument of the '-l' option */
1138 LIBTCCAPI
int tcc_add_library(TCCState
*s
, const char *libraryname
)
1140 #ifdef TCC_TARGET_PE
1141 const char *libs
[] = { "%s/%s.def", "%s/lib%s.def", "%s/%s.dll", "%s/lib%s.dll", "%s/lib%s.a", NULL
};
1142 const char **pp
= s
->static_link
? libs
+ 4 : libs
;
1144 const char *libs
[] = { "%s/lib%s.so", "%s/lib%s.a", NULL
};
1145 const char **pp
= s
->static_link
? libs
+ 1 : libs
;
1148 if (0 == tcc_add_library_internal(s
, *pp
,
1149 libraryname
, 0, s
->library_paths
, s
->nb_library_paths
))
1156 PUB_FUNC
int tcc_add_library_err(TCCState
*s
, const char *libname
)
1158 int ret
= tcc_add_library(s
, libname
);
1160 tcc_error_noabort("library 'lib%s' not found", libname
);
1164 /* habdle #pragma comment(lib,) */
1165 ST_FUNC
void tcc_add_pragma_libs(TCCState
*s1
)
1168 for (i
= 0; i
< s1
->nb_pragma_libs
; i
++)
1169 tcc_add_library_err(s1
, s1
->pragma_libs
[i
]);
1172 LIBTCCAPI
int tcc_add_symbol(TCCState
*s
, const char *name
, const void *val
)
1174 #ifdef TCC_TARGET_PE
1175 /* On x86_64 'val' might not be reachable with a 32bit offset.
1176 So it is handled here as if it were in a DLL. */
1177 pe_putimport(s
, 0, name
, (uintptr_t)val
);
1179 set_elf_sym(symtab_section
, (uintptr_t)val
, 0,
1180 ELFW(ST_INFO
)(STB_GLOBAL
, STT_NOTYPE
), 0,
1186 LIBTCCAPI
void tcc_set_lib_path(TCCState
*s
, const char *path
)
1188 tcc_free(s
->tcc_lib_path
);
1189 s
->tcc_lib_path
= tcc_strdup(path
);
1192 #define WD_ALL 0x0001 /* warning is activated when using -Wall */
1193 #define FD_INVERT 0x0002 /* invert value before storing */
1195 typedef struct FlagDef
{
1201 static int no_flag(const char **pp
)
1203 const char *p
= *pp
;
1204 if (*p
!= 'n' || *++p
!= 'o' || *++p
!= '-')
1210 ST_FUNC
int set_flag(TCCState
*s
, const FlagDef
*flags
, const char *name
)
1221 for (ret
= -1, p
= flags
; p
->name
; ++p
) {
1223 if (strcmp(r
, p
->name
))
1226 if (0 == (p
->flags
& WD_ALL
))
1230 *(int*)((char *)s
+ p
->offset
) =
1231 p
->flags
& FD_INVERT
? !value
: value
;
1241 static int strstart(const char *val
, const char **str
)
1256 /* Like strstart, but automatically takes into account that ld options can
1258 * - start with double or single dash (e.g. '--soname' or '-soname')
1259 * - arguments can be given as separate or after '=' (e.g. '-Wl,-soname,x.so'
1260 * or '-Wl,-soname=x.so')
1262 * you provide `val` always in 'option[=]' form (no leading -)
1264 static int link_option(const char *str
, const char *val
, const char **ptr
)
1269 /* there should be 1 or 2 dashes */
1275 /* then str & val should match (potentialy up to '=') */
1286 while (*q
!= '\0' && *q
!= '=') {
1293 /* '=' near eos means ',' or '=' is ok */
1297 if (*p
!= ',' && *p
!= '=')
1305 static const char *skip_linker_arg(const char **str
)
1307 const char *s1
= *str
;
1308 const char *s2
= strchr(s1
, ',');
1309 *str
= s2
? s2
++ : (s2
= s1
+ strlen(s1
));
1313 static char *copy_linker_arg(const char *p
)
1316 skip_linker_arg(&q
);
1317 return pstrncpy(tcc_malloc(q
- p
+ 1), p
, q
- p
);
1320 /* set linker options */
1321 static int tcc_set_linker(TCCState
*s
, const char *option
)
1325 const char *p
= NULL
;
1330 if (link_option(option
, "Bsymbolic", &p
)) {
1332 } else if (link_option(option
, "nostdlib", &p
)) {
1334 } else if (link_option(option
, "fini=", &p
)) {
1335 s
->fini_symbol
= copy_linker_arg(p
);
1337 } else if (link_option(option
, "image-base=", &p
)
1338 || link_option(option
, "Ttext=", &p
)) {
1339 s
->text_addr
= strtoull(p
, &end
, 16);
1340 s
->has_text_addr
= 1;
1341 } else if (link_option(option
, "init=", &p
)) {
1342 s
->init_symbol
= copy_linker_arg(p
);
1344 } else if (link_option(option
, "oformat=", &p
)) {
1345 #if defined(TCC_TARGET_PE)
1346 if (strstart("pe-", &p
)) {
1347 #elif defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64)
1348 if (strstart("elf64-", &p
)) {
1350 if (strstart("elf32-", &p
)) {
1352 s
->output_format
= TCC_OUTPUT_FORMAT_ELF
;
1353 } else if (!strcmp(p
, "binary")) {
1354 s
->output_format
= TCC_OUTPUT_FORMAT_BINARY
;
1355 #ifdef TCC_TARGET_COFF
1356 } else if (!strcmp(p
, "coff")) {
1357 s
->output_format
= TCC_OUTPUT_FORMAT_COFF
;
1362 } else if (link_option(option
, "as-needed", &p
)) {
1364 } else if (link_option(option
, "O", &p
)) {
1366 } else if (link_option(option
, "rpath=", &p
)) {
1367 s
->rpath
= copy_linker_arg(p
);
1368 } else if (link_option(option
, "section-alignment=", &p
)) {
1369 s
->section_align
= strtoul(p
, &end
, 16);
1370 } else if (link_option(option
, "soname=", &p
)) {
1371 s
->soname
= copy_linker_arg(p
);
1372 #ifdef TCC_TARGET_PE
1373 } else if (link_option(option
, "file-alignment=", &p
)) {
1374 s
->pe_file_align
= strtoul(p
, &end
, 16);
1375 } else if (link_option(option
, "stack=", &p
)) {
1376 s
->pe_stack_size
= strtoul(p
, &end
, 10);
1377 } else if (link_option(option
, "subsystem=", &p
)) {
1378 #if defined(TCC_TARGET_I386) || defined(TCC_TARGET_X86_64)
1379 if (!strcmp(p
, "native")) {
1380 s
->pe_subsystem
= 1;
1381 } else if (!strcmp(p
, "console")) {
1382 s
->pe_subsystem
= 3;
1383 } else if (!strcmp(p
, "gui")) {
1384 s
->pe_subsystem
= 2;
1385 } else if (!strcmp(p
, "posix")) {
1386 s
->pe_subsystem
= 7;
1387 } else if (!strcmp(p
, "efiapp")) {
1388 s
->pe_subsystem
= 10;
1389 } else if (!strcmp(p
, "efiboot")) {
1390 s
->pe_subsystem
= 11;
1391 } else if (!strcmp(p
, "efiruntime")) {
1392 s
->pe_subsystem
= 12;
1393 } else if (!strcmp(p
, "efirom")) {
1394 s
->pe_subsystem
= 13;
1395 #elif defined(TCC_TARGET_ARM)
1396 if (!strcmp(p
, "wince")) {
1397 s
->pe_subsystem
= 9;
1402 } else if (ret
= link_option(option
, "?whole-archive", &p
), ret
) {
1403 s
->alacarte_link
= ret
< 0;
1408 tcc_error("unsupported linker option '%s'", option
);
1411 if (ignoring
&& s
->warn_unsupported
)
1412 tcc_warning("unsupported linker option '%s'", option
);
1414 option
= skip_linker_arg(&p
);
1419 typedef struct TCCOption
{
1439 TCC_OPTION_dumpversion
,
1448 TCC_OPTION_traditional
,
1453 TCC_OPTION_mfloat_abi
,
1457 TCC_OPTION_iwithprefix
,
1459 TCC_OPTION_nostdinc
,
1460 TCC_OPTION_nostdlib
,
1461 TCC_OPTION_print_search_dirs
,
1462 TCC_OPTION_rdynamic
,
1464 TCC_OPTION_pedantic
,
1476 #define TCC_OPTION_HAS_ARG 0x0001
1477 #define TCC_OPTION_NOSEP 0x0002 /* cannot have space before option and arg */
1479 static const TCCOption tcc_options
[] = {
1480 { "h", TCC_OPTION_HELP
, 0 },
1481 { "-help", TCC_OPTION_HELP
, 0 },
1482 { "?", TCC_OPTION_HELP
, 0 },
1483 { "I", TCC_OPTION_I
, TCC_OPTION_HAS_ARG
},
1484 { "D", TCC_OPTION_D
, TCC_OPTION_HAS_ARG
},
1485 { "U", TCC_OPTION_U
, TCC_OPTION_HAS_ARG
},
1486 { "P", TCC_OPTION_P
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1487 { "L", TCC_OPTION_L
, TCC_OPTION_HAS_ARG
},
1488 { "B", TCC_OPTION_B
, TCC_OPTION_HAS_ARG
},
1489 { "l", TCC_OPTION_l
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1490 { "bench", TCC_OPTION_bench
, 0 },
1491 #ifdef CONFIG_TCC_BACKTRACE
1492 { "bt", TCC_OPTION_bt
, TCC_OPTION_HAS_ARG
},
1494 #ifdef CONFIG_TCC_BCHECK
1495 { "b", TCC_OPTION_b
, 0 },
1497 { "g", TCC_OPTION_g
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1498 { "c", TCC_OPTION_c
, 0 },
1499 { "dumpversion", TCC_OPTION_dumpversion
, 0},
1500 { "d", TCC_OPTION_d
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1501 { "static", TCC_OPTION_static
, 0 },
1502 { "std", TCC_OPTION_std
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1503 { "shared", TCC_OPTION_shared
, 0 },
1504 { "soname", TCC_OPTION_soname
, TCC_OPTION_HAS_ARG
},
1505 { "o", TCC_OPTION_o
, TCC_OPTION_HAS_ARG
},
1506 { "-param", TCC_OPTION_param
, TCC_OPTION_HAS_ARG
},
1507 { "pedantic", TCC_OPTION_pedantic
, 0},
1508 { "pthread", TCC_OPTION_pthread
, 0},
1509 { "run", TCC_OPTION_run
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1510 { "rdynamic", TCC_OPTION_rdynamic
, 0 },
1511 { "r", TCC_OPTION_r
, 0 },
1512 { "s", TCC_OPTION_s
, 0 },
1513 { "traditional", TCC_OPTION_traditional
, 0 },
1514 { "Wl,", TCC_OPTION_Wl
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1515 { "Wp,", TCC_OPTION_Wp
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1516 { "W", TCC_OPTION_W
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1517 { "O", TCC_OPTION_O
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1518 #ifdef TCC_TARGET_ARM
1519 { "mfloat-abi", TCC_OPTION_mfloat_abi
, TCC_OPTION_HAS_ARG
},
1521 { "m", TCC_OPTION_m
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1522 { "f", TCC_OPTION_f
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1523 { "isystem", TCC_OPTION_isystem
, TCC_OPTION_HAS_ARG
},
1524 { "iwithprefix", TCC_OPTION_iwithprefix
, TCC_OPTION_HAS_ARG
},
1525 { "include", TCC_OPTION_include
, TCC_OPTION_HAS_ARG
},
1526 { "nostdinc", TCC_OPTION_nostdinc
, 0 },
1527 { "nostdlib", TCC_OPTION_nostdlib
, 0 },
1528 { "print-search-dirs", TCC_OPTION_print_search_dirs
, 0 },
1529 { "v", TCC_OPTION_v
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1530 { "w", TCC_OPTION_w
, 0 },
1531 { "pipe", TCC_OPTION_pipe
, 0},
1532 { "E", TCC_OPTION_E
, 0},
1533 { "MD", TCC_OPTION_MD
, 0},
1534 { "MF", TCC_OPTION_MF
, TCC_OPTION_HAS_ARG
},
1535 { "x", TCC_OPTION_x
, TCC_OPTION_HAS_ARG
},
1539 static const FlagDef options_W
[] = {
1541 { offsetof(TCCState
, warn_unsupported
), 0, "unsupported" },
1542 { offsetof(TCCState
, warn_write_strings
), 0, "write-strings" },
1543 { offsetof(TCCState
, warn_error
), 0, "error" },
1544 { offsetof(TCCState
, warn_implicit_function_declaration
), WD_ALL
,
1545 "implicit-function-declaration" },
1549 static const FlagDef options_f
[] = {
1550 { offsetof(TCCState
, char_is_unsigned
), 0, "unsigned-char" },
1551 { offsetof(TCCState
, char_is_unsigned
), FD_INVERT
, "signed-char" },
1552 { offsetof(TCCState
, nocommon
), FD_INVERT
, "common" },
1553 { offsetof(TCCState
, leading_underscore
), 0, "leading-underscore" },
1554 { offsetof(TCCState
, ms_extensions
), 0, "ms-extensions" },
1555 { offsetof(TCCState
, old_struct_init_code
), 0, "old-struct-init-code" },
1556 { offsetof(TCCState
, dollars_in_identifiers
), 0, "dollars-in-identifiers" },
1560 static const FlagDef options_m
[] = {
1561 { offsetof(TCCState
, ms_bitfields
), 0, "ms-bitfields" },
1562 #ifdef TCC_TARGET_X86_64
1563 { offsetof(TCCState
, nosse
), FD_INVERT
, "sse" },
1568 static void parse_option_D(TCCState
*s1
, const char *optarg
)
1570 char *sym
= tcc_strdup(optarg
);
1571 char *value
= strchr(sym
, '=');
1574 tcc_define_symbol(s1
, sym
, value
);
1578 static void args_parser_add_file(TCCState
*s
, const char* filename
, int filetype
)
1580 struct filespec
*f
= tcc_malloc(sizeof *f
+ strlen(filename
));
1582 strcpy(f
->name
, filename
);
1583 dynarray_add((void ***)&s
->files
, &s
->nb_files
, f
);
1586 /* read list file */
1587 static void args_parser_listfile(TCCState
*s
, const char *filename
)
1593 fd
= open(filename
, O_RDONLY
| O_BINARY
);
1595 tcc_error("file '%s' not found", filename
);
1597 len
= lseek(fd
, 0, SEEK_END
);
1598 p
= tcc_malloc(len
+ 1), p
[len
] = 0;
1599 lseek(fd
, 0, SEEK_SET
), read(fd
, p
, len
), close(fd
);
1600 tcc_set_options(s
, p
);
1604 PUB_FUNC
int tcc_parse_args(TCCState
*s
, int argc
, char **argv
)
1606 const TCCOption
*popt
;
1607 const char *optarg
, *r
;
1612 CString linker_arg
; /* collect -Wl options */
1615 cstr_new(&linker_arg
);
1617 while (optind
< argc
) {
1622 if (r
[0] == '@' && r
[1] != '\0') {
1623 args_parser_listfile(s
, r
+ 1);
1627 if (r
[0] != '-' || r
[1] == '\0') {
1628 args_parser_add_file(s
, r
, s
->filetype
);
1631 /* argv[0] will be this file */
1637 /* find option in table */
1638 for(popt
= tcc_options
; ; ++popt
) {
1639 const char *p1
= popt
->name
;
1640 const char *r1
= r
+ 1;
1642 tcc_error("invalid option -- '%s'", r
);
1643 if (!strstart(p1
, &r1
))
1646 if (popt
->flags
& TCC_OPTION_HAS_ARG
) {
1647 if (*r1
== '\0' && !(popt
->flags
& TCC_OPTION_NOSEP
)) {
1650 tcc_error("argument to '%s' is missing", r
);
1651 optarg
= argv
[optind
++];
1653 } else if (*r1
!= '\0')
1658 switch(popt
->index
) {
1659 case TCC_OPTION_HELP
:
1662 tcc_add_include_path(s
, optarg
);
1665 parse_option_D(s
, optarg
);
1668 tcc_undefine_symbol(s
, optarg
);
1671 tcc_add_library_path(s
, optarg
);
1674 /* set tcc utilities path (mainly for tcc development) */
1675 tcc_set_lib_path(s
, optarg
);
1678 args_parser_add_file(s
, optarg
, AFF_TYPE_LIBWH
- s
->alacarte_link
);
1681 case TCC_OPTION_pthread
:
1682 parse_option_D(s
, "_REENTRANT");
1683 s
->option_pthread
= 1;
1685 case TCC_OPTION_bench
:
1688 #ifdef CONFIG_TCC_BACKTRACE
1690 tcc_set_num_callers(atoi(optarg
));
1693 #ifdef CONFIG_TCC_BCHECK
1695 s
->do_bounds_check
= 1;
1706 tcc_warning("-%s: overriding compiler action already specified", popt
->name
);
1712 else if (*optarg
== 'M')
1715 goto unsupported_option
;
1717 case TCC_OPTION_static
:
1720 case TCC_OPTION_std
:
1721 /* silently ignore, a current purpose:
1722 allow to use a tcc as a reference compiler for "make test" */
1724 case TCC_OPTION_shared
:
1726 goto set_output_type
;
1727 case TCC_OPTION_soname
:
1728 s
->soname
= tcc_strdup(optarg
);
1732 tcc_warning("multiple -o option");
1733 tcc_free(s
->outfile
);
1735 s
->outfile
= tcc_strdup(optarg
);
1738 /* generate a .o merging several output files */
1741 goto set_output_type
;
1742 case TCC_OPTION_isystem
:
1743 tcc_add_sysinclude_path(s
, optarg
);
1745 case TCC_OPTION_iwithprefix
:
1746 snprintf(buf
, sizeof buf
, "{B}/%s", optarg
);
1747 tcc_add_sysinclude_path(s
, buf
);
1749 case TCC_OPTION_include
:
1750 dynarray_add((void ***)&s
->cmd_include_files
,
1751 &s
->nb_cmd_include_files
, tcc_strdup(optarg
));
1753 case TCC_OPTION_nostdinc
:
1756 case TCC_OPTION_nostdlib
:
1759 case TCC_OPTION_print_search_dirs
:
1760 s
->print_search_dirs
= 1;
1762 case TCC_OPTION_run
:
1763 #ifndef TCC_IS_NATIVE
1764 tcc_error("-run is not available in a cross compiler");
1766 tcc_set_options(s
, optarg
);
1768 x
= TCC_OUTPUT_MEMORY
;
1769 goto set_output_type
;
1771 do ++s
->verbose
; while (*optarg
++ == 'v');
1774 if (set_flag(s
, options_f
, optarg
) < 0)
1775 goto unsupported_option
;
1777 #ifdef TCC_TARGET_ARM
1778 case TCC_OPTION_mfloat_abi
:
1779 /* tcc doesn't support soft float yet */
1780 if (!strcmp(optarg
, "softfp")) {
1781 s
->float_abi
= ARM_SOFTFP_FLOAT
;
1782 tcc_undefine_symbol(s
, "__ARM_PCS_VFP");
1783 } else if (!strcmp(optarg
, "hard"))
1784 s
->float_abi
= ARM_HARD_FLOAT
;
1786 tcc_error("unsupported float abi '%s'", optarg
);
1790 if (set_flag(s
, options_m
, optarg
) == 0)
1792 else if (x
= atoi(optarg
), x
== 32 || x
== 64)
1793 s
->cross_target
= x
;
1795 goto unsupported_option
;
1798 if (set_flag(s
, options_W
, optarg
) < 0)
1799 goto unsupported_option
;
1804 case TCC_OPTION_rdynamic
:
1808 if (linker_arg
.size
)
1809 --linker_arg
.size
, cstr_ccat(&linker_arg
, ',');
1810 cstr_cat(&linker_arg
, optarg
, 0);
1811 if (tcc_set_linker(s
, linker_arg
.data
))
1812 cstr_free(&linker_arg
);
1818 x
= TCC_OUTPUT_PREPROCESS
;
1819 goto set_output_type
;
1821 s
->Pflag
= atoi(optarg
) + 1;
1827 s
->deps_outfile
= tcc_strdup(optarg
);
1829 case TCC_OPTION_dumpversion
:
1830 printf ("%s\n", TCC_VERSION
);
1835 s
->filetype
= AFF_TYPE_C
;
1836 else if (*optarg
== 'a')
1837 s
->filetype
= AFF_TYPE_ASMPP
;
1838 else if (*optarg
== 'n')
1839 s
->filetype
= AFF_TYPE_NONE
;
1841 tcc_warning("unsupported language '%s'", optarg
);
1844 last_o
= atoi(optarg
);
1846 case TCC_OPTION_traditional
:
1847 case TCC_OPTION_pedantic
:
1848 case TCC_OPTION_pipe
:
1854 if (s
->warn_unsupported
)
1855 tcc_warning("unsupported option '%s'", r
);
1861 tcc_define_symbol(s
, "__OPTIMIZE__", NULL
);
1863 if (linker_arg
.size
) {
1864 r
= linker_arg
.data
;
1871 LIBTCCAPI
int tcc_set_options(TCCState
*s
, const char *r
)
1878 argc
= 0, argv
= NULL
;
1880 while (c
= (unsigned char)*r
, c
&& c
<= ' ')
1886 while (c
= (unsigned char)*r
, c
) {
1888 if (c
== '\\' && (*r
== '"' || *r
== '\\')) {
1890 } else if (c
== '"') {
1893 } else if (q
== 0 && c
<= ' ') {
1899 //printf("<%s>\n", str.data), fflush(stdout);
1900 dynarray_add((void ***)&argv
, &argc
, tcc_strdup(str
.data
));
1903 ret
= tcc_parse_args(s
, argc
, argv
);
1904 dynarray_reset(&argv
, &argc
);
1908 PUB_FUNC
void tcc_print_stats(TCCState
*s
, unsigned total_time
)
1912 if (total_bytes
< 1)
1914 fprintf(stderr
, "%d idents, %d lines, %d bytes, %0.3f s, %u lines/s, %0.1f MB/s\n",
1915 tok_ident
- TOK_IDENT
, total_lines
, total_bytes
,
1916 (double)total_time
/1000,
1917 (unsigned)total_lines
*1000/total_time
,
1918 (double)total_bytes
/1000/total_time
);
1921 PUB_FUNC
void tcc_set_environment(TCCState
*s
)
1925 path
= getenv("C_INCLUDE_PATH");
1927 tcc_add_include_path(s
, path
);
1929 path
= getenv("CPATH");
1931 tcc_add_include_path(s
, path
);
1933 path
= getenv("LIBRARY_PATH");
1935 tcc_add_library_path(s
, path
);