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
;
37 /********************************************************/
44 #ifdef TCC_TARGET_I386
46 #include "i386-link.c"
54 #ifdef TCC_TARGET_ARM64
55 #include "arm64-gen.c"
56 #include "arm64-link.c"
62 #ifdef TCC_TARGET_X86_64
63 #include "x86_64-gen.c"
64 #include "x86_64-link.c"
70 #ifdef TCC_TARGET_COFF
76 #endif /* ONE_SOURCE */
78 /********************************************************/
79 #ifndef CONFIG_TCC_ASM
80 ST_FUNC
void asm_instr(void)
82 tcc_error("inline asm() not supported");
84 ST_FUNC
void asm_global_instr(void)
86 tcc_error("inline asm() not supported");
90 /********************************************************/
92 ST_FUNC
char *normalize_slashes(char *path
)
95 for (p
= path
; *p
; ++p
)
101 static HMODULE tcc_module
;
103 /* on win32, we suppose the lib and includes are at the location of 'tcc.exe' */
104 static void tcc_set_lib_path_w32(TCCState
*s
)
107 GetModuleFileNameA(tcc_module
, path
, sizeof path
);
108 p
= tcc_basename(normalize_slashes(strlwr(path
)));
109 if (p
- 5 > path
&& 0 == strncmp(p
- 5, "/bin/", 5))
114 tcc_set_lib_path(s
, path
);
118 static void tcc_add_systemdir(TCCState
*s
)
121 GetSystemDirectory(buf
, sizeof buf
);
122 tcc_add_library_path(s
, normalize_slashes(buf
));
127 BOOL WINAPI
DllMain (HINSTANCE hDll
, DWORD dwReason
, LPVOID lpReserved
)
129 if (DLL_PROCESS_ATTACH
== dwReason
)
136 /********************************************************/
137 /* copy a string and truncate it. */
138 ST_FUNC
char *pstrcpy(char *buf
, int buf_size
, const char *s
)
145 q_end
= buf
+ buf_size
- 1;
157 /* strcat and truncate. */
158 ST_FUNC
char *pstrcat(char *buf
, int buf_size
, const char *s
)
163 pstrcpy(buf
+ len
, buf_size
- len
, s
);
167 ST_FUNC
char *pstrncpy(char *out
, const char *in
, size_t num
)
169 memcpy(out
, in
, num
);
174 /* extract the basename of a file */
175 PUB_FUNC
char *tcc_basename(const char *name
)
177 char *p
= strchr(name
, 0);
178 while (p
> name
&& !IS_DIRSEP(p
[-1]))
183 /* extract extension part of a file
185 * (if no extension, return pointer to end-of-string)
187 PUB_FUNC
char *tcc_fileextension (const char *name
)
189 char *b
= tcc_basename(name
);
190 char *e
= strrchr(b
, '.');
191 return e
? e
: strchr(b
, 0);
194 /********************************************************/
195 /* memory management */
203 PUB_FUNC
void tcc_free(void *ptr
)
208 PUB_FUNC
void *tcc_malloc(unsigned long size
)
213 tcc_error("memory full (malloc)");
217 PUB_FUNC
void *tcc_mallocz(unsigned long size
)
220 ptr
= tcc_malloc(size
);
221 memset(ptr
, 0, size
);
225 PUB_FUNC
void *tcc_realloc(void *ptr
, unsigned long size
)
228 ptr1
= realloc(ptr
, size
);
230 tcc_error("memory full (realloc)");
234 PUB_FUNC
char *tcc_strdup(const char *str
)
237 ptr
= tcc_malloc(strlen(str
) + 1);
242 PUB_FUNC
void tcc_memcheck(void)
248 #define MEM_DEBUG_MAGIC1 0xFEEDDEB1
249 #define MEM_DEBUG_MAGIC2 0xFEEDDEB2
250 #define MEM_DEBUG_MAGIC3 0xFEEDDEB3
251 #define MEM_DEBUG_FILE_LEN 40
252 #define MEM_DEBUG_CHECK3(header) \
253 ((mem_debug_header_t*)((char*)header + header->size))->magic3
254 #define MEM_USER_PTR(header) \
255 ((char *)header + offsetof(mem_debug_header_t, magic3))
256 #define MEM_HEADER_PTR(ptr) \
257 (mem_debug_header_t *)((char*)ptr - offsetof(mem_debug_header_t, magic3))
259 struct mem_debug_header
{
262 struct mem_debug_header
*prev
;
263 struct mem_debug_header
*next
;
265 char file_name
[MEM_DEBUG_FILE_LEN
+ 1];
267 ALIGNED(16) unsigned magic3
;
270 typedef struct mem_debug_header mem_debug_header_t
;
272 static mem_debug_header_t
*mem_debug_chain
;
273 static unsigned mem_cur_size
;
274 static unsigned mem_max_size
;
276 static mem_debug_header_t
*malloc_check(void *ptr
, const char *msg
)
278 mem_debug_header_t
* header
= MEM_HEADER_PTR(ptr
);
279 if (header
->magic1
!= MEM_DEBUG_MAGIC1
||
280 header
->magic2
!= MEM_DEBUG_MAGIC2
||
281 MEM_DEBUG_CHECK3(header
) != MEM_DEBUG_MAGIC3
||
282 header
->size
== (unsigned)-1) {
283 fprintf(stderr
, "%s check failed\n", msg
);
284 if (header
->magic1
== MEM_DEBUG_MAGIC1
)
285 fprintf(stderr
, "%s:%u: block allocated here.\n",
286 header
->file_name
, header
->line_num
);
292 PUB_FUNC
void *tcc_malloc_debug(unsigned long size
, const char *file
, int line
)
295 mem_debug_header_t
*header
;
297 header
= malloc(sizeof(mem_debug_header_t
) + size
);
299 tcc_error("memory full (malloc)");
301 header
->magic1
= MEM_DEBUG_MAGIC1
;
302 header
->magic2
= MEM_DEBUG_MAGIC2
;
304 MEM_DEBUG_CHECK3(header
) = MEM_DEBUG_MAGIC3
;
305 header
->line_num
= line
;
306 ofs
= strlen(file
) - MEM_DEBUG_FILE_LEN
;
307 strncpy(header
->file_name
, file
+ (ofs
> 0 ? ofs
: 0), MEM_DEBUG_FILE_LEN
);
308 header
->file_name
[MEM_DEBUG_FILE_LEN
] = 0;
310 header
->next
= mem_debug_chain
;
313 header
->next
->prev
= header
;
314 mem_debug_chain
= header
;
316 mem_cur_size
+= size
;
317 if (mem_cur_size
> mem_max_size
)
318 mem_max_size
= mem_cur_size
;
320 return MEM_USER_PTR(header
);
323 PUB_FUNC
void tcc_free_debug(void *ptr
)
325 mem_debug_header_t
*header
;
328 header
= malloc_check(ptr
, "tcc_free");
329 mem_cur_size
-= header
->size
;
330 header
->size
= (unsigned)-1;
332 header
->next
->prev
= header
->prev
;
334 header
->prev
->next
= header
->next
;
335 if (header
== mem_debug_chain
)
336 mem_debug_chain
= header
->next
;
340 PUB_FUNC
void *tcc_mallocz_debug(unsigned long size
, const char *file
, int line
)
343 ptr
= tcc_malloc_debug(size
,file
,line
);
344 memset(ptr
, 0, size
);
348 PUB_FUNC
void *tcc_realloc_debug(void *ptr
, unsigned long size
, const char *file
, int line
)
350 mem_debug_header_t
*header
;
351 int mem_debug_chain_update
= 0;
353 return tcc_malloc_debug(size
, file
, line
);
354 header
= malloc_check(ptr
, "tcc_realloc");
355 mem_cur_size
-= header
->size
;
356 mem_debug_chain_update
= (header
== mem_debug_chain
);
357 header
= realloc(header
, sizeof(mem_debug_header_t
) + size
);
359 tcc_error("memory full (realloc)");
361 MEM_DEBUG_CHECK3(header
) = MEM_DEBUG_MAGIC3
;
363 header
->next
->prev
= header
;
365 header
->prev
->next
= header
;
366 if (mem_debug_chain_update
)
367 mem_debug_chain
= header
;
368 mem_cur_size
+= size
;
369 if (mem_cur_size
> mem_max_size
)
370 mem_max_size
= mem_cur_size
;
371 return MEM_USER_PTR(header
);
374 PUB_FUNC
char *tcc_strdup_debug(const char *str
, const char *file
, int line
)
377 ptr
= tcc_malloc_debug(strlen(str
) + 1, file
, line
);
382 PUB_FUNC
void tcc_memcheck(void)
385 mem_debug_header_t
*header
= mem_debug_chain
;
386 fprintf(stderr
, "MEM_DEBUG: mem_leak= %d bytes, mem_max_size= %d bytes\n",
387 mem_cur_size
, mem_max_size
);
389 fprintf(stderr
, "%s:%u: error: %u bytes leaked\n",
390 header
->file_name
, header
->line_num
, header
->size
);
391 header
= header
->next
;
398 #endif /* MEM_DEBUG */
400 #define free(p) use_tcc_free(p)
401 #define malloc(s) use_tcc_malloc(s)
402 #define realloc(p, s) use_tcc_realloc(p, s)
404 /********************************************************/
407 ST_FUNC
void dynarray_add(void *ptab
, int *nb_ptr
, void *data
)
413 pp
= *(void ***)ptab
;
414 /* every power of two we double array size */
415 if ((nb
& (nb
- 1)) == 0) {
420 pp
= tcc_realloc(pp
, nb_alloc
* sizeof(void *));
427 ST_FUNC
void dynarray_reset(void *pp
, int *n
)
430 for (p
= *(void***)pp
; *n
; ++p
, --*n
)
433 tcc_free(*(void**)pp
);
437 static void tcc_split_path(TCCState
*s
, void *p_ary
, int *p_nb_ary
, const char *in
)
445 for (p
= in
; c
= *p
, c
!= '\0' && c
!= PATHSEP
; ++p
) {
446 if (c
== '{' && p
[1] && p
[2] == '}') {
449 cstr_cat(&str
, s
->tcc_lib_path
, -1);
455 cstr_ccat(&str
, '\0');
456 dynarray_add(p_ary
, p_nb_ary
, tcc_strdup(str
.data
));
463 /********************************************************/
465 static void strcat_vprintf(char *buf
, int buf_size
, const char *fmt
, va_list ap
)
469 vsnprintf(buf
+ len
, buf_size
- len
, fmt
, ap
);
472 static void strcat_printf(char *buf
, int buf_size
, const char *fmt
, ...)
476 strcat_vprintf(buf
, buf_size
, fmt
, ap
);
480 static void error1(TCCState
*s1
, int is_warning
, const char *fmt
, va_list ap
)
483 BufferedFile
**pf
, *f
;
486 /* use upper file if inline ":asm:" or token ":paste:" */
487 for (f
= file
; f
&& f
->filename
[0] == ':'; f
= f
->prev
)
490 for(pf
= s1
->include_stack
; pf
< s1
->include_stack_ptr
; pf
++)
491 strcat_printf(buf
, sizeof(buf
), "In file included from %s:%d:\n",
492 (*pf
)->filename
, (*pf
)->line_num
);
493 if (f
->line_num
> 0) {
494 strcat_printf(buf
, sizeof(buf
), "%s:%d: ",
495 f
->filename
, f
->line_num
- !!(tok_flags
& TOK_FLAG_BOL
));
497 strcat_printf(buf
, sizeof(buf
), "%s: ",
501 strcat_printf(buf
, sizeof(buf
), "tcc: ");
504 strcat_printf(buf
, sizeof(buf
), "warning: ");
506 strcat_printf(buf
, sizeof(buf
), "error: ");
507 strcat_vprintf(buf
, sizeof(buf
), fmt
, ap
);
509 if (!s1
->error_func
) {
510 /* default case: stderr */
511 if (s1
->ppfp
) /* print a newline during tcc -E */
512 fprintf(s1
->ppfp
, "\n"), fflush(s1
->ppfp
);
513 fflush(stdout
); /* flush -v output */
514 fprintf(stderr
, "%s\n", buf
);
515 fflush(stderr
); /* print error/warning now (win32) */
517 s1
->error_func(s1
->error_opaque
, buf
);
519 if (!is_warning
|| s1
->warn_error
)
523 LIBTCCAPI
void tcc_set_error_func(TCCState
*s
, void *error_opaque
,
524 void (*error_func
)(void *opaque
, const char *msg
))
526 s
->error_opaque
= error_opaque
;
527 s
->error_func
= error_func
;
530 /* error without aborting current compilation */
531 PUB_FUNC
void tcc_error_noabort(const char *fmt
, ...)
533 TCCState
*s1
= tcc_state
;
537 error1(s1
, 0, fmt
, ap
);
541 PUB_FUNC
void tcc_error(const char *fmt
, ...)
543 TCCState
*s1
= tcc_state
;
547 error1(s1
, 0, fmt
, ap
);
549 /* better than nothing: in some cases, we accept to handle errors */
550 if (s1
->error_set_jmp_enabled
) {
551 longjmp(s1
->error_jmp_buf
, 1);
553 /* XXX: eliminate this someday */
558 PUB_FUNC
void tcc_warning(const char *fmt
, ...)
560 TCCState
*s1
= tcc_state
;
567 error1(s1
, 1, fmt
, ap
);
571 /********************************************************/
574 ST_FUNC
void tcc_open_bf(TCCState
*s1
, const char *filename
, int initlen
)
577 int buflen
= initlen
? initlen
: IO_BUF_SIZE
;
579 bf
= tcc_mallocz(sizeof(BufferedFile
) + buflen
);
580 bf
->buf_ptr
= bf
->buffer
;
581 bf
->buf_end
= bf
->buffer
+ initlen
;
582 bf
->buf_end
[0] = CH_EOB
; /* put eob symbol */
583 pstrcpy(bf
->filename
, sizeof(bf
->filename
), filename
);
584 bf
->true_filename
= 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
;
599 if (bf
->true_filename
!= bf
->filename
)
600 tcc_free(bf
->true_filename
);
605 ST_FUNC
int tcc_open(TCCState
*s1
, const char *filename
)
608 if (strcmp(filename
, "-") == 0)
609 fd
= 0, filename
= "<stdin>";
611 fd
= open(filename
, O_RDONLY
| O_BINARY
);
612 if ((s1
->verbose
== 2 && fd
>= 0) || s1
->verbose
== 3)
613 printf("%s %*s%s\n", fd
< 0 ? "nf":"->",
614 (int)(s1
->include_stack_ptr
- s1
->include_stack
), "", filename
);
617 tcc_open_bf(s1
, filename
, 0);
619 normalize_slashes(file
->filename
);
625 /* compile the C file opened in 'file'. Return non zero if errors. */
626 static int tcc_compile(TCCState
*s1
)
630 define_start
= define_stack
;
631 if (setjmp(s1
->error_jmp_buf
) == 0) {
633 s1
->error_set_jmp_enabled
= 1;
635 preprocess_start(s1
);
638 printf("%s: **** new file\n", file
->filename
);
640 ch
= file
->buf_ptr
[0];
641 tok_flags
= TOK_FLAG_BOL
| TOK_FLAG_BOF
;
642 parse_flags
= PARSE_FLAG_PREPROCESS
| PARSE_FLAG_TOK_NUM
| PARSE_FLAG_TOK_STR
;
646 expect("declaration");
647 /* free defines here already on behalf of of M.M.'s possibly existing
648 experimental preprocessor implementation. The normal call below
649 is still there to free after error-longjmp */
650 free_defines(define_start
);
653 s1
->error_set_jmp_enabled
= 0;
655 free_inline_functions(s1
);
656 /* reset define stack, but keep -D and built-ins */
657 free_defines(define_start
);
658 sym_pop(&global_stack
, NULL
, 0);
659 sym_pop(&local_stack
, NULL
, 0);
660 return s1
->nb_errors
!= 0 ? -1 : 0;
663 LIBTCCAPI
int tcc_compile_string(TCCState
*s
, const char *str
)
668 tcc_open_bf(s
, "<string>", len
);
669 memcpy(file
->buffer
, str
, len
);
670 ret
= tcc_compile(s
);
675 /* define a preprocessor symbol. A value can also be provided with the '=' operator */
676 LIBTCCAPI
void tcc_define_symbol(TCCState
*s1
, const char *sym
, const char *value
)
683 len2
= strlen(value
);
685 /* init file structure */
686 tcc_open_bf(s1
, "<define>", len1
+ len2
+ 1);
687 memcpy(file
->buffer
, sym
, len1
);
688 file
->buffer
[len1
] = ' ';
689 memcpy(file
->buffer
+ len1
+ 1, value
, len2
);
691 /* parse with define parser */
692 ch
= file
->buf_ptr
[0];
699 /* undefine a preprocessor symbol */
700 LIBTCCAPI
void tcc_undefine_symbol(TCCState
*s1
, const char *sym
)
704 ts
= tok_alloc(sym
, strlen(sym
));
705 s
= define_find(ts
->tok
);
706 /* undefine symbol by putting an invalid name */
711 /* cleanup all static data used during compilation */
712 static void tcc_cleanup(void)
714 if (NULL
== tcc_state
)
716 tccpp_delete(tcc_state
);
719 dynarray_reset(&sym_pools
, &nb_sym_pools
);
720 /* reset symbol stack */
721 sym_free_first
= NULL
;
724 LIBTCCAPI TCCState
*tcc_new(void)
730 s
= tcc_mallocz(sizeof(TCCState
));
736 s
->alacarte_link
= 1;
738 s
->warn_implicit_function_declaration
= 1;
739 s
->ms_extensions
= 1;
741 #ifdef CHAR_IS_UNSIGNED
742 s
->char_is_unsigned
= 1;
744 #ifdef TCC_TARGET_I386
747 /* enable this if you want symbols with leading underscore on windows: */
748 #if 0 /* def TCC_TARGET_PE */
749 s
->leading_underscore
= 1;
752 tcc_set_lib_path_w32(s
);
754 tcc_set_lib_path(s
, CONFIG_TCCDIR
);
759 /* we add dummy defines for some special macros to speed up tests
760 and to have working defined() */
761 define_push(TOK___LINE__
, MACRO_OBJ
, NULL
, NULL
);
762 define_push(TOK___FILE__
, MACRO_OBJ
, NULL
, NULL
);
763 define_push(TOK___DATE__
, MACRO_OBJ
, NULL
, NULL
);
764 define_push(TOK___TIME__
, MACRO_OBJ
, NULL
, NULL
);
765 define_push(TOK___COUNTER__
, MACRO_OBJ
, NULL
, NULL
);
767 /* define __TINYC__ 92X */
768 char buffer
[32]; int a
,b
,c
;
769 sscanf(TCC_VERSION
, "%d.%d.%d", &a
, &b
, &c
);
770 sprintf(buffer
, "%d", a
*10000 + b
*100 + c
);
771 tcc_define_symbol(s
, "__TINYC__", buffer
);
774 /* standard defines */
775 tcc_define_symbol(s
, "__STDC__", NULL
);
776 tcc_define_symbol(s
, "__STDC_VERSION__", "199901L");
777 tcc_define_symbol(s
, "__STDC_HOSTED__", NULL
);
780 #if defined(TCC_TARGET_I386)
781 tcc_define_symbol(s
, "__i386__", NULL
);
782 tcc_define_symbol(s
, "__i386", NULL
);
783 tcc_define_symbol(s
, "i386", NULL
);
784 #elif defined(TCC_TARGET_X86_64)
785 tcc_define_symbol(s
, "__x86_64__", NULL
);
786 #elif defined(TCC_TARGET_ARM)
787 tcc_define_symbol(s
, "__ARM_ARCH_4__", NULL
);
788 tcc_define_symbol(s
, "__arm_elf__", NULL
);
789 tcc_define_symbol(s
, "__arm_elf", NULL
);
790 tcc_define_symbol(s
, "arm_elf", NULL
);
791 tcc_define_symbol(s
, "__arm__", NULL
);
792 tcc_define_symbol(s
, "__arm", NULL
);
793 tcc_define_symbol(s
, "arm", NULL
);
794 tcc_define_symbol(s
, "__APCS_32__", NULL
);
795 tcc_define_symbol(s
, "__ARMEL__", NULL
);
796 #if defined(TCC_ARM_EABI)
797 tcc_define_symbol(s
, "__ARM_EABI__", NULL
);
799 #if defined(TCC_ARM_HARDFLOAT)
800 s
->float_abi
= ARM_HARD_FLOAT
;
801 tcc_define_symbol(s
, "__ARM_PCS_VFP", NULL
);
803 s
->float_abi
= ARM_SOFTFP_FLOAT
;
805 #elif defined(TCC_TARGET_ARM64)
806 tcc_define_symbol(s
, "__aarch64__", NULL
);
810 tcc_define_symbol(s
, "_WIN32", NULL
);
811 # ifdef TCC_TARGET_X86_64
812 tcc_define_symbol(s
, "_WIN64", NULL
);
815 tcc_define_symbol(s
, "__unix__", NULL
);
816 tcc_define_symbol(s
, "__unix", NULL
);
817 tcc_define_symbol(s
, "unix", NULL
);
818 # if defined(__linux__)
819 tcc_define_symbol(s
, "__linux__", NULL
);
820 tcc_define_symbol(s
, "__linux", NULL
);
822 # if defined(__FreeBSD__)
823 tcc_define_symbol(s
, "__FreeBSD__", "__FreeBSD__");
824 /* No 'Thread Storage Local' on FreeBSD with tcc */
825 tcc_define_symbol(s
, "__NO_TLS", NULL
);
827 # if defined(__FreeBSD_kernel__)
828 tcc_define_symbol(s
, "__FreeBSD_kernel__", NULL
);
831 # if defined(__NetBSD__)
832 tcc_define_symbol(s
, "__NetBSD__", "__NetBSD__");
834 # if defined(__OpenBSD__)
835 tcc_define_symbol(s
, "__OpenBSD__", "__OpenBSD__");
838 /* TinyCC & gcc defines */
839 #if defined(TCC_TARGET_PE) && PTR_SIZE == 8
841 tcc_define_symbol(s
, "__SIZE_TYPE__", "unsigned long long");
842 tcc_define_symbol(s
, "__PTRDIFF_TYPE__", "long long");
843 tcc_define_symbol(s
, "__LLP64__", NULL
);
845 /* Other 64bit systems. */
846 tcc_define_symbol(s
, "__SIZE_TYPE__", "unsigned long");
847 tcc_define_symbol(s
, "__PTRDIFF_TYPE__", "long");
848 tcc_define_symbol(s
, "__LP64__", NULL
);
850 /* Other 32bit systems. */
851 tcc_define_symbol(s
, "__SIZE_TYPE__", "unsigned long");
852 tcc_define_symbol(s
, "__PTRDIFF_TYPE__", "long");
853 tcc_define_symbol(s
, "__ILP32__", NULL
);
856 #if defined(TCC_MUSL)
857 tcc_define_symbol(s
, "__builtin_va_list", "void *");
858 #endif /* TCC_MUSL */
861 tcc_define_symbol(s
, "__WCHAR_TYPE__", "unsigned short");
862 tcc_define_symbol(s
, "__WINT_TYPE__", "unsigned short");
864 tcc_define_symbol(s
, "__WCHAR_TYPE__", "int");
865 /* wint_t is unsigned int by default, but (signed) int on BSDs
866 and unsigned short on windows. Other OSes might have still
867 other conventions, sigh. */
868 # if defined(__FreeBSD__) || defined (__FreeBSD_kernel__) \
869 || defined(__NetBSD__) || defined(__OpenBSD__)
870 tcc_define_symbol(s
, "__WINT_TYPE__", "int");
872 /* define __GNUC__ to have some useful stuff from sys/cdefs.h
873 that are unconditionally used in FreeBSDs other system headers :/ */
874 tcc_define_symbol(s
, "__GNUC__", "2");
875 tcc_define_symbol(s
, "__GNUC_MINOR__", "7");
876 tcc_define_symbol(s
, "__builtin_alloca", "alloca");
879 tcc_define_symbol(s
, "__WINT_TYPE__", "unsigned int");
881 tcc_define_symbol(s
, "__REDIRECT(name, proto, alias)",
882 "name proto __asm__ (#alias)");
883 tcc_define_symbol(s
, "__REDIRECT_NTH(name, proto, alias)",
884 "name proto __asm__ (#alias) __THROW");
886 /* Some GCC builtins that are simple to express as macros. */
887 tcc_define_symbol(s
, "__builtin_extract_return_addr(x)", "x");
888 #endif /* ndef TCC_TARGET_PE */
892 LIBTCCAPI
void tcc_delete(TCCState
*s1
)
899 /* free library paths */
900 dynarray_reset(&s1
->library_paths
, &s1
->nb_library_paths
);
901 dynarray_reset(&s1
->crt_paths
, &s1
->nb_crt_paths
);
903 /* free include paths */
904 dynarray_reset(&s1
->cached_includes
, &s1
->nb_cached_includes
);
905 dynarray_reset(&s1
->include_paths
, &s1
->nb_include_paths
);
906 dynarray_reset(&s1
->sysinclude_paths
, &s1
->nb_sysinclude_paths
);
907 dynarray_reset(&s1
->cmd_include_files
, &s1
->nb_cmd_include_files
);
909 tcc_free(s1
->tcc_lib_path
);
910 tcc_free(s1
->soname
);
912 tcc_free(s1
->init_symbol
);
913 tcc_free(s1
->fini_symbol
);
914 tcc_free(s1
->outfile
);
915 tcc_free(s1
->deps_outfile
);
916 dynarray_reset(&s1
->files
, &s1
->nb_files
);
917 dynarray_reset(&s1
->target_deps
, &s1
->nb_target_deps
);
918 dynarray_reset(&s1
->pragma_libs
, &s1
->nb_pragma_libs
);
919 dynarray_reset(&s1
->argv
, &s1
->argc
);
922 /* free runtime memory */
927 if (0 == --nb_states
)
931 LIBTCCAPI
int tcc_set_output_type(TCCState
*s
, int output_type
)
933 s
->output_type
= output_type
;
935 /* always elf for objects */
936 if (output_type
== TCC_OUTPUT_OBJ
)
937 s
->output_format
= TCC_OUTPUT_FORMAT_ELF
;
939 if (s
->char_is_unsigned
)
940 tcc_define_symbol(s
, "__CHAR_UNSIGNED__", NULL
);
943 /* default include paths */
944 /* -isystem paths have already been handled */
945 tcc_add_sysinclude_path(s
, CONFIG_TCC_SYSINCLUDEPATHS
);
948 #ifdef CONFIG_TCC_BCHECK
949 if (s
->do_bounds_check
) {
950 /* if bound checking, then add corresponding sections */
951 tccelf_bounds_new(s
);
953 tcc_define_symbol(s
, "__BOUNDS_CHECKING_ON", NULL
);
957 /* add debug sections */
961 tcc_add_library_path(s
, CONFIG_TCC_LIBPATHS
);
965 if (!s
->nostdlib
&& output_type
!= TCC_OUTPUT_OBJ
)
966 tcc_add_systemdir(s
);
969 /* paths for crt objects */
970 tcc_split_path(s
, &s
->crt_paths
, &s
->nb_crt_paths
, CONFIG_TCC_CRTPREFIX
);
971 /* add libc crt1/crti objects */
972 if ((output_type
== TCC_OUTPUT_EXE
|| output_type
== TCC_OUTPUT_DLL
) &&
974 if (output_type
!= TCC_OUTPUT_DLL
)
975 tcc_add_crt(s
, "crt1.o");
976 tcc_add_crt(s
, "crti.o");
982 LIBTCCAPI
int tcc_add_include_path(TCCState
*s
, const char *pathname
)
984 tcc_split_path(s
, &s
->include_paths
, &s
->nb_include_paths
, pathname
);
988 LIBTCCAPI
int tcc_add_sysinclude_path(TCCState
*s
, const char *pathname
)
990 tcc_split_path(s
, &s
->sysinclude_paths
, &s
->nb_sysinclude_paths
, pathname
);
994 ST_FUNC
int tcc_add_file_internal(TCCState
*s1
, const char *filename
, int flags
)
998 filetype
= flags
& 0x0F;
1000 /* use a file extension to detect a filetype */
1001 const char *ext
= tcc_fileextension(filename
);
1004 if (!strcmp(ext
, "S"))
1005 filetype
= AFF_TYPE_ASMPP
;
1006 else if (!strcmp(ext
, "s"))
1007 filetype
= AFF_TYPE_ASM
;
1008 else if (!PATHCMP(ext
, "c") || !PATHCMP(ext
, "i"))
1009 filetype
= AFF_TYPE_C
;
1011 filetype
= AFF_TYPE_BIN
;
1013 filetype
= AFF_TYPE_C
;
1018 ret
= tcc_open(s1
, filename
);
1020 if (flags
& AFF_PRINT_ERROR
)
1021 tcc_error_noabort("file '%s' not found", filename
);
1025 /* update target deps */
1026 dynarray_add(&s1
->target_deps
, &s1
->nb_target_deps
,
1027 tcc_strdup(filename
));
1030 /* if .S file, define __ASSEMBLER__ like gcc does */
1031 if (filetype
== AFF_TYPE_ASM
|| filetype
== AFF_TYPE_ASMPP
) {
1032 tcc_define_symbol(s1
, "__ASSEMBLER__", NULL
);
1033 parse_flags
= PARSE_FLAG_ASM_FILE
;
1036 if (flags
& AFF_PREPROCESS
) {
1037 ret
= tcc_preprocess(s1
);
1038 } else if (filetype
== AFF_TYPE_C
) {
1039 ret
= tcc_compile(s1
);
1040 #ifdef CONFIG_TCC_ASM
1041 } else if (filetype
== AFF_TYPE_ASMPP
) {
1042 /* non preprocessed assembler */
1043 ret
= tcc_assemble(s1
, 1);
1044 } else if (filetype
== AFF_TYPE_ASM
) {
1045 /* preprocessed assembler */
1046 ret
= tcc_assemble(s1
, 0);
1053 obj_type
= tcc_object_type(fd
, &ehdr
);
1054 lseek(fd
, 0, SEEK_SET
);
1056 /* do not display line number if error */
1059 #ifdef TCC_TARGET_MACHO
1060 if (0 == obj_type
&& 0 == strcmp(tcc_fileextension(filename
), "dylib"))
1061 obj_type
= AFF_BINTYPE_DYN
;
1065 case AFF_BINTYPE_REL
:
1066 ret
= tcc_load_object_file(s1
, fd
, 0);
1068 #ifndef TCC_TARGET_PE
1069 case AFF_BINTYPE_DYN
:
1070 if (s1
->output_type
== TCC_OUTPUT_MEMORY
) {
1072 #ifdef TCC_IS_NATIVE
1073 if (NULL
== dlopen(filename
, RTLD_GLOBAL
| RTLD_LAZY
))
1077 ret
= tcc_load_dll(s1
, fd
, filename
,
1078 (flags
& AFF_REFERENCED_DLL
) != 0);
1082 case AFF_BINTYPE_AR
:
1083 ret
= tcc_load_archive(s1
, fd
);
1085 #ifdef TCC_TARGET_COFF
1086 case AFF_BINTYPE_C67
:
1087 ret
= tcc_load_coff(s1
, fd
);
1091 #ifdef TCC_TARGET_PE
1092 ret
= pe_load_file(s1
, filename
, fd
);
1094 /* as GNU ld, consider it is an ld script if not recognized */
1095 ret
= tcc_load_ldscript(s1
);
1098 tcc_error_noabort("unrecognized file type");
1106 LIBTCCAPI
int tcc_add_file(TCCState
*s
, const char *filename
)
1108 if (s
->output_type
== TCC_OUTPUT_PREPROCESS
)
1109 return tcc_add_file_internal(s
, filename
, AFF_PRINT_ERROR
| AFF_PREPROCESS
| s
->filetype
);
1111 return tcc_add_file_internal(s
, filename
, AFF_PRINT_ERROR
| s
->filetype
);
1114 LIBTCCAPI
int tcc_add_library_path(TCCState
*s
, const char *pathname
)
1116 tcc_split_path(s
, &s
->library_paths
, &s
->nb_library_paths
, pathname
);
1120 static int tcc_add_library_internal(TCCState
*s
, const char *fmt
,
1121 const char *filename
, int flags
, char **paths
, int nb_paths
)
1126 for(i
= 0; i
< nb_paths
; i
++) {
1127 snprintf(buf
, sizeof(buf
), fmt
, paths
[i
], filename
);
1128 if (tcc_add_file_internal(s
, buf
, flags
| AFF_TYPE_BIN
) == 0)
1134 /* find and load a dll. Return non zero if not found */
1135 /* XXX: add '-rpath' option support ? */
1136 ST_FUNC
int tcc_add_dll(TCCState
*s
, const char *filename
, int flags
)
1138 return tcc_add_library_internal(s
, "%s/%s", filename
, flags
,
1139 s
->library_paths
, s
->nb_library_paths
);
1142 ST_FUNC
int tcc_add_crt(TCCState
*s
, const char *filename
)
1144 if (-1 == tcc_add_library_internal(s
, "%s/%s",
1145 filename
, 0, s
->crt_paths
, s
->nb_crt_paths
))
1146 tcc_error_noabort("file '%s' not found", filename
);
1150 /* the library name is the same as the argument of the '-l' option */
1151 LIBTCCAPI
int tcc_add_library(TCCState
*s
, const char *libraryname
)
1153 #if defined TCC_TARGET_PE
1154 const char *libs
[] = { "%s/%s.def", "%s/lib%s.def", "%s/%s.dll", "%s/lib%s.dll", "%s/lib%s.a", NULL
};
1155 const char **pp
= s
->static_link
? libs
+ 4 : libs
;
1156 #elif defined TCC_TARGET_MACHO
1157 const char *libs
[] = { "%s/lib%s.dylib", "%s/lib%s.a", NULL
};
1158 const char **pp
= s
->static_link
? libs
+ 1 : libs
;
1160 const char *libs
[] = { "%s/lib%s.so", "%s/lib%s.a", NULL
};
1161 const char **pp
= s
->static_link
? libs
+ 1 : libs
;
1164 if (0 == tcc_add_library_internal(s
, *pp
,
1165 libraryname
, 0, s
->library_paths
, s
->nb_library_paths
))
1172 PUB_FUNC
int tcc_add_library_err(TCCState
*s
, const char *libname
)
1174 int ret
= tcc_add_library(s
, libname
);
1176 tcc_error_noabort("library '%s' not found", libname
);
1180 /* handle #pragma comment(lib,) */
1181 ST_FUNC
void tcc_add_pragma_libs(TCCState
*s1
)
1184 for (i
= 0; i
< s1
->nb_pragma_libs
; i
++)
1185 tcc_add_library_err(s1
, s1
->pragma_libs
[i
]);
1188 LIBTCCAPI
int tcc_add_symbol(TCCState
*s
, const char *name
, const void *val
)
1190 #ifdef TCC_TARGET_PE
1191 /* On x86_64 'val' might not be reachable with a 32bit offset.
1192 So it is handled here as if it were in a DLL. */
1193 pe_putimport(s
, 0, name
, (uintptr_t)val
);
1195 set_elf_sym(symtab_section
, (uintptr_t)val
, 0,
1196 ELFW(ST_INFO
)(STB_GLOBAL
, STT_NOTYPE
), 0,
1202 LIBTCCAPI
void tcc_set_lib_path(TCCState
*s
, const char *path
)
1204 tcc_free(s
->tcc_lib_path
);
1205 s
->tcc_lib_path
= tcc_strdup(path
);
1208 #define WD_ALL 0x0001 /* warning is activated when using -Wall */
1209 #define FD_INVERT 0x0002 /* invert value before storing */
1211 typedef struct FlagDef
{
1217 static int no_flag(const char **pp
)
1219 const char *p
= *pp
;
1220 if (*p
!= 'n' || *++p
!= 'o' || *++p
!= '-')
1226 ST_FUNC
int set_flag(TCCState
*s
, const FlagDef
*flags
, const char *name
)
1237 for (ret
= -1, p
= flags
; p
->name
; ++p
) {
1239 if (strcmp(r
, p
->name
))
1242 if (0 == (p
->flags
& WD_ALL
))
1246 *(int*)((char *)s
+ p
->offset
) =
1247 p
->flags
& FD_INVERT
? !value
: value
;
1257 static int strstart(const char *val
, const char **str
)
1272 /* Like strstart, but automatically takes into account that ld options can
1274 * - start with double or single dash (e.g. '--soname' or '-soname')
1275 * - arguments can be given as separate or after '=' (e.g. '-Wl,-soname,x.so'
1276 * or '-Wl,-soname=x.so')
1278 * you provide `val` always in 'option[=]' form (no leading -)
1280 static int link_option(const char *str
, const char *val
, const char **ptr
)
1285 /* there should be 1 or 2 dashes */
1291 /* then str & val should match (potentially up to '=') */
1302 while (*q
!= '\0' && *q
!= '=') {
1309 /* '=' near eos means ',' or '=' is ok */
1313 if (*p
!= ',' && *p
!= '=')
1323 static const char *skip_linker_arg(const char **str
)
1325 const char *s1
= *str
;
1326 const char *s2
= strchr(s1
, ',');
1327 *str
= s2
? s2
++ : (s2
= s1
+ strlen(s1
));
1331 static void copy_linker_arg(char **pp
, const char *s
, int sep
)
1337 p
[l
= strlen(p
)] = sep
, ++l
;
1338 skip_linker_arg(&q
);
1339 pstrncpy(l
+ (*pp
= tcc_realloc(p
, q
- s
+ l
+ 1)), s
, q
- s
);
1342 /* set linker options */
1343 static int tcc_set_linker(TCCState
*s
, const char *option
)
1347 const char *p
= NULL
;
1352 if (link_option(option
, "Bsymbolic", &p
)) {
1354 } else if (link_option(option
, "nostdlib", &p
)) {
1356 } else if (link_option(option
, "fini=", &p
)) {
1357 copy_linker_arg(&s
->fini_symbol
, p
, 0);
1359 } else if (link_option(option
, "image-base=", &p
)
1360 || link_option(option
, "Ttext=", &p
)) {
1361 s
->text_addr
= strtoull(p
, &end
, 16);
1362 s
->has_text_addr
= 1;
1363 } else if (link_option(option
, "init=", &p
)) {
1364 copy_linker_arg(&s
->init_symbol
, p
, 0);
1366 } else if (link_option(option
, "oformat=", &p
)) {
1367 #if defined(TCC_TARGET_PE)
1368 if (strstart("pe-", &p
)) {
1370 if (strstart("elf64-", &p
)) {
1372 if (strstart("elf32-", &p
)) {
1374 s
->output_format
= TCC_OUTPUT_FORMAT_ELF
;
1375 } else if (!strcmp(p
, "binary")) {
1376 s
->output_format
= TCC_OUTPUT_FORMAT_BINARY
;
1377 #ifdef TCC_TARGET_COFF
1378 } else if (!strcmp(p
, "coff")) {
1379 s
->output_format
= TCC_OUTPUT_FORMAT_COFF
;
1384 } else if (link_option(option
, "as-needed", &p
)) {
1386 } else if (link_option(option
, "O", &p
)) {
1388 } else if (link_option(option
, "export-all-symbols", &p
)) {
1390 } else if (link_option(option
, "rpath=", &p
)) {
1391 copy_linker_arg(&s
->rpath
, p
, ':');
1392 } else if (link_option(option
, "enable-new-dtags", &p
)) {
1393 s
->enable_new_dtags
= 1;
1394 } else if (link_option(option
, "section-alignment=", &p
)) {
1395 s
->section_align
= strtoul(p
, &end
, 16);
1396 } else if (link_option(option
, "soname=", &p
)) {
1397 copy_linker_arg(&s
->soname
, p
, 0);
1398 #ifdef TCC_TARGET_PE
1399 } else if (link_option(option
, "large-address-aware", &p
)) {
1400 s
->pe_characteristics
|= 0x20;
1401 } else if (link_option(option
, "file-alignment=", &p
)) {
1402 s
->pe_file_align
= strtoul(p
, &end
, 16);
1403 } else if (link_option(option
, "stack=", &p
)) {
1404 s
->pe_stack_size
= strtoul(p
, &end
, 10);
1405 } else if (link_option(option
, "subsystem=", &p
)) {
1406 #if defined(TCC_TARGET_I386) || defined(TCC_TARGET_X86_64)
1407 if (!strcmp(p
, "native")) {
1408 s
->pe_subsystem
= 1;
1409 } else if (!strcmp(p
, "console")) {
1410 s
->pe_subsystem
= 3;
1411 } else if (!strcmp(p
, "gui") || !strcmp(p
, "windows")) {
1412 s
->pe_subsystem
= 2;
1413 } else if (!strcmp(p
, "posix")) {
1414 s
->pe_subsystem
= 7;
1415 } else if (!strcmp(p
, "efiapp")) {
1416 s
->pe_subsystem
= 10;
1417 } else if (!strcmp(p
, "efiboot")) {
1418 s
->pe_subsystem
= 11;
1419 } else if (!strcmp(p
, "efiruntime")) {
1420 s
->pe_subsystem
= 12;
1421 } else if (!strcmp(p
, "efirom")) {
1422 s
->pe_subsystem
= 13;
1423 #elif defined(TCC_TARGET_ARM)
1424 if (!strcmp(p
, "wince")) {
1425 s
->pe_subsystem
= 9;
1430 } else if (ret
= link_option(option
, "?whole-archive", &p
), ret
) {
1431 s
->alacarte_link
= ret
< 0;
1436 tcc_error("unsupported linker option '%s'", option
);
1439 if (ignoring
&& s
->warn_unsupported
)
1440 tcc_warning("unsupported linker option '%s'", option
);
1442 option
= skip_linker_arg(&p
);
1447 typedef struct TCCOption
{
1469 TCC_OPTION_dumpversion
,
1478 TCC_OPTION_traditional
,
1483 TCC_OPTION_mfloat_abi
,
1487 TCC_OPTION_iwithprefix
,
1489 TCC_OPTION_nostdinc
,
1490 TCC_OPTION_nostdlib
,
1491 TCC_OPTION_print_search_dirs
,
1492 TCC_OPTION_rdynamic
,
1494 TCC_OPTION_pedantic
,
1507 #define TCC_OPTION_HAS_ARG 0x0001
1508 #define TCC_OPTION_NOSEP 0x0002 /* cannot have space before option and arg */
1510 static const TCCOption tcc_options
[] = {
1511 { "h", TCC_OPTION_HELP
, 0 },
1512 { "-help", TCC_OPTION_HELP
, 0 },
1513 { "?", TCC_OPTION_HELP
, 0 },
1514 { "hh", TCC_OPTION_HELP2
, 0 },
1515 { "v", TCC_OPTION_v
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1516 { "I", TCC_OPTION_I
, TCC_OPTION_HAS_ARG
},
1517 { "D", TCC_OPTION_D
, TCC_OPTION_HAS_ARG
},
1518 { "U", TCC_OPTION_U
, TCC_OPTION_HAS_ARG
},
1519 { "P", TCC_OPTION_P
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1520 { "L", TCC_OPTION_L
, TCC_OPTION_HAS_ARG
},
1521 { "B", TCC_OPTION_B
, TCC_OPTION_HAS_ARG
},
1522 { "l", TCC_OPTION_l
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1523 { "bench", TCC_OPTION_bench
, 0 },
1524 #ifdef CONFIG_TCC_BACKTRACE
1525 { "bt", TCC_OPTION_bt
, TCC_OPTION_HAS_ARG
},
1527 #ifdef CONFIG_TCC_BCHECK
1528 { "b", TCC_OPTION_b
, 0 },
1530 { "g", TCC_OPTION_g
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1531 { "c", TCC_OPTION_c
, 0 },
1532 { "dumpversion", TCC_OPTION_dumpversion
, 0},
1533 { "d", TCC_OPTION_d
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1534 { "static", TCC_OPTION_static
, 0 },
1535 { "std", TCC_OPTION_std
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1536 { "shared", TCC_OPTION_shared
, 0 },
1537 { "soname", TCC_OPTION_soname
, TCC_OPTION_HAS_ARG
},
1538 { "o", TCC_OPTION_o
, TCC_OPTION_HAS_ARG
},
1539 { "-param", TCC_OPTION_param
, TCC_OPTION_HAS_ARG
},
1540 { "pedantic", TCC_OPTION_pedantic
, 0},
1541 { "pthread", TCC_OPTION_pthread
, 0},
1542 { "run", TCC_OPTION_run
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1543 { "rdynamic", TCC_OPTION_rdynamic
, 0 },
1544 { "r", TCC_OPTION_r
, 0 },
1545 { "s", TCC_OPTION_s
, 0 },
1546 { "traditional", TCC_OPTION_traditional
, 0 },
1547 { "Wl,", TCC_OPTION_Wl
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1548 { "Wp,", TCC_OPTION_Wp
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1549 { "W", TCC_OPTION_W
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1550 { "O", TCC_OPTION_O
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1551 #ifdef TCC_TARGET_ARM
1552 { "mfloat-abi", TCC_OPTION_mfloat_abi
, TCC_OPTION_HAS_ARG
},
1554 { "m", TCC_OPTION_m
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1555 { "f", TCC_OPTION_f
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1556 { "isystem", TCC_OPTION_isystem
, TCC_OPTION_HAS_ARG
},
1557 { "iwithprefix", TCC_OPTION_iwithprefix
, TCC_OPTION_HAS_ARG
},
1558 { "include", TCC_OPTION_include
, TCC_OPTION_HAS_ARG
},
1559 { "nostdinc", TCC_OPTION_nostdinc
, 0 },
1560 { "nostdlib", TCC_OPTION_nostdlib
, 0 },
1561 { "print-search-dirs", TCC_OPTION_print_search_dirs
, 0 },
1562 { "w", TCC_OPTION_w
, 0 },
1563 { "pipe", TCC_OPTION_pipe
, 0},
1564 { "E", TCC_OPTION_E
, 0},
1565 { "MD", TCC_OPTION_MD
, 0},
1566 { "MF", TCC_OPTION_MF
, TCC_OPTION_HAS_ARG
},
1567 { "x", TCC_OPTION_x
, TCC_OPTION_HAS_ARG
},
1568 { "ar", TCC_OPTION_ar
, 0},
1569 #ifdef TCC_TARGET_PE
1570 { "impdef", TCC_OPTION_impdef
, 0},
1575 static const FlagDef options_W
[] = {
1577 { offsetof(TCCState
, warn_unsupported
), 0, "unsupported" },
1578 { offsetof(TCCState
, warn_write_strings
), 0, "write-strings" },
1579 { offsetof(TCCState
, warn_error
), 0, "error" },
1580 { offsetof(TCCState
, warn_gcc_compat
), 0, "gcc-compat" },
1581 { offsetof(TCCState
, warn_implicit_function_declaration
), WD_ALL
,
1582 "implicit-function-declaration" },
1586 static const FlagDef options_f
[] = {
1587 { offsetof(TCCState
, char_is_unsigned
), 0, "unsigned-char" },
1588 { offsetof(TCCState
, char_is_unsigned
), FD_INVERT
, "signed-char" },
1589 { offsetof(TCCState
, nocommon
), FD_INVERT
, "common" },
1590 { offsetof(TCCState
, leading_underscore
), 0, "leading-underscore" },
1591 { offsetof(TCCState
, ms_extensions
), 0, "ms-extensions" },
1592 { offsetof(TCCState
, dollars_in_identifiers
), 0, "dollars-in-identifiers" },
1596 static const FlagDef options_m
[] = {
1597 { offsetof(TCCState
, ms_bitfields
), 0, "ms-bitfields" },
1598 #ifdef TCC_TARGET_X86_64
1599 { offsetof(TCCState
, nosse
), FD_INVERT
, "sse" },
1604 static void parse_option_D(TCCState
*s1
, const char *optarg
)
1606 char *sym
= tcc_strdup(optarg
);
1607 char *value
= strchr(sym
, '=');
1610 tcc_define_symbol(s1
, sym
, value
);
1614 static void args_parser_add_file(TCCState
*s
, const char* filename
, int filetype
)
1616 struct filespec
*f
= tcc_malloc(sizeof *f
+ strlen(filename
));
1618 f
->alacarte
= s
->alacarte_link
;
1619 strcpy(f
->name
, filename
);
1620 dynarray_add(&s
->files
, &s
->nb_files
, f
);
1623 static int args_parser_make_argv(const char *r
, int *argc
, char ***argv
)
1628 while (c
= (unsigned char)*r
, c
&& c
<= ' ')
1634 while (c
= (unsigned char)*r
, c
) {
1636 if (c
== '\\' && (*r
== '"' || *r
== '\\')) {
1638 } else if (c
== '"') {
1641 } else if (q
== 0 && c
<= ' ') {
1647 //printf("<%s>\n", str.data), fflush(stdout);
1648 dynarray_add(argv
, argc
, tcc_strdup(str
.data
));
1655 /* read list file */
1656 static void args_parser_listfile(TCCState
*s
,
1657 const char *filename
, int optind
, int *pargc
, char ***pargv
)
1665 fd
= open(filename
, O_RDONLY
| O_BINARY
);
1667 tcc_error("listfile '%s' not found", filename
);
1669 len
= lseek(fd
, 0, SEEK_END
);
1670 p
= tcc_malloc(len
+ 1), p
[len
] = 0;
1671 lseek(fd
, 0, SEEK_SET
), read(fd
, p
, len
), close(fd
);
1673 for (i
= 0; i
< *pargc
; ++i
)
1675 args_parser_make_argv(p
, &argc
, &argv
);
1677 dynarray_add(&argv
, &argc
, tcc_strdup((*pargv
)[i
]));
1680 dynarray_reset(&s
->argv
, &s
->argc
);
1681 *pargc
= s
->argc
= argc
, *pargv
= s
->argv
= argv
;
1684 PUB_FUNC
int tcc_parse_args(TCCState
*s
, int *pargc
, char ***pargv
, int optind
)
1686 const TCCOption
*popt
;
1687 const char *optarg
, *r
;
1688 const char *run
= NULL
;
1691 CString linker_arg
; /* collect -Wl options */
1693 int tool
= 0, arg_start
= 0, noaction
= optind
;
1694 char **argv
= *pargv
;
1697 cstr_new(&linker_arg
);
1699 while (optind
< argc
) {
1701 if (r
[0] == '@' && r
[1] != '\0') {
1702 args_parser_listfile(s
, r
+ 1, optind
, &argc
, &argv
);
1707 if (r
[0] == '-' && r
[1] == 'v' && r
[2] == 0)
1712 if (r
[0] != '-' || r
[1] == '\0') {
1713 if (r
[0] != '@') /* allow "tcc file(s) -run @ args ..." */
1714 args_parser_add_file(s
, r
, s
->filetype
);
1716 tcc_set_options(s
, run
);
1717 arg_start
= optind
- 1;
1723 /* find option in table */
1724 for(popt
= tcc_options
; ; ++popt
) {
1725 const char *p1
= popt
->name
;
1726 const char *r1
= r
+ 1;
1728 tcc_error("invalid option -- '%s'", r
);
1729 if (!strstart(p1
, &r1
))
1732 if (popt
->flags
& TCC_OPTION_HAS_ARG
) {
1733 if (*r1
== '\0' && !(popt
->flags
& TCC_OPTION_NOSEP
)) {
1736 tcc_error("argument to '%s' is missing", r
);
1737 optarg
= argv
[optind
++];
1739 } else if (*r1
!= '\0')
1744 switch(popt
->index
) {
1745 case TCC_OPTION_HELP
:
1747 case TCC_OPTION_HELP2
:
1750 tcc_add_include_path(s
, optarg
);
1753 parse_option_D(s
, optarg
);
1756 tcc_undefine_symbol(s
, optarg
);
1759 tcc_add_library_path(s
, optarg
);
1762 /* set tcc utilities path (mainly for tcc development) */
1763 tcc_set_lib_path(s
, optarg
);
1766 args_parser_add_file(s
, optarg
, AFF_TYPE_LIB
);
1769 case TCC_OPTION_pthread
:
1770 parse_option_D(s
, "_REENTRANT");
1771 s
->option_pthread
= 1;
1773 case TCC_OPTION_bench
:
1776 #ifdef CONFIG_TCC_BACKTRACE
1778 tcc_set_num_callers(atoi(optarg
));
1781 #ifdef CONFIG_TCC_BCHECK
1783 s
->do_bounds_check
= 1;
1794 tcc_warning("-%s: overriding compiler action already specified", popt
->name
);
1800 else if (*optarg
== 'M')
1802 else if (*optarg
== 'T')
1804 else if (isnum(*optarg
))
1805 g_debug
= atoi(optarg
);
1807 goto unsupported_option
;
1809 case TCC_OPTION_static
:
1812 case TCC_OPTION_std
:
1813 /* silently ignore, a current purpose:
1814 allow to use a tcc as a reference compiler for "make test" */
1816 case TCC_OPTION_shared
:
1818 goto set_output_type
;
1819 case TCC_OPTION_soname
:
1820 s
->soname
= tcc_strdup(optarg
);
1824 tcc_warning("multiple -o option");
1825 tcc_free(s
->outfile
);
1827 s
->outfile
= tcc_strdup(optarg
);
1830 /* generate a .o merging several output files */
1833 goto set_output_type
;
1834 case TCC_OPTION_isystem
:
1835 tcc_add_sysinclude_path(s
, optarg
);
1837 case TCC_OPTION_iwithprefix
:
1838 snprintf(buf
, sizeof buf
, "{B}/%s", optarg
);
1839 tcc_add_sysinclude_path(s
, buf
);
1841 case TCC_OPTION_include
:
1842 dynarray_add(&s
->cmd_include_files
,
1843 &s
->nb_cmd_include_files
, tcc_strdup(optarg
));
1845 case TCC_OPTION_nostdinc
:
1848 case TCC_OPTION_nostdlib
:
1851 case TCC_OPTION_run
:
1852 #ifndef TCC_IS_NATIVE
1853 tcc_error("-run is not available in a cross compiler");
1856 x
= TCC_OUTPUT_MEMORY
;
1857 goto set_output_type
;
1859 do ++s
->verbose
; while (*optarg
++ == 'v');
1863 if (set_flag(s
, options_f
, optarg
) < 0)
1864 goto unsupported_option
;
1866 #ifdef TCC_TARGET_ARM
1867 case TCC_OPTION_mfloat_abi
:
1868 /* tcc doesn't support soft float yet */
1869 if (!strcmp(optarg
, "softfp")) {
1870 s
->float_abi
= ARM_SOFTFP_FLOAT
;
1871 tcc_undefine_symbol(s
, "__ARM_PCS_VFP");
1872 } else if (!strcmp(optarg
, "hard"))
1873 s
->float_abi
= ARM_HARD_FLOAT
;
1875 tcc_error("unsupported float abi '%s'", optarg
);
1879 if (set_flag(s
, options_m
, optarg
) < 0) {
1880 if (x
= atoi(optarg
), x
!= 32 && x
!= 64)
1881 goto unsupported_option
;
1882 if (PTR_SIZE
!= x
/8)
1888 if (set_flag(s
, options_W
, optarg
) < 0)
1889 goto unsupported_option
;
1894 case TCC_OPTION_rdynamic
:
1898 if (linker_arg
.size
)
1899 --linker_arg
.size
, cstr_ccat(&linker_arg
, ',');
1900 cstr_cat(&linker_arg
, optarg
, 0);
1901 if (tcc_set_linker(s
, linker_arg
.data
))
1902 cstr_free(&linker_arg
);
1908 x
= TCC_OUTPUT_PREPROCESS
;
1909 goto set_output_type
;
1911 s
->Pflag
= atoi(optarg
) + 1;
1917 s
->deps_outfile
= tcc_strdup(optarg
);
1919 case TCC_OPTION_dumpversion
:
1920 printf ("%s\n", TCC_VERSION
);
1925 s
->filetype
= AFF_TYPE_C
;
1926 else if (*optarg
== 'a')
1927 s
->filetype
= AFF_TYPE_ASMPP
;
1928 else if (*optarg
== 'n')
1929 s
->filetype
= AFF_TYPE_NONE
;
1931 tcc_warning("unsupported language '%s'", optarg
);
1934 last_o
= atoi(optarg
);
1936 case TCC_OPTION_print_search_dirs
:
1939 case TCC_OPTION_impdef
:
1945 arg_start
= optind
- 1;
1946 if (arg_start
!= noaction
)
1947 tcc_error("cannot parse %s here", r
);
1950 case TCC_OPTION_traditional
:
1951 case TCC_OPTION_pedantic
:
1952 case TCC_OPTION_pipe
:
1958 if (s
->warn_unsupported
)
1959 tcc_warning("unsupported option '%s'", r
);
1964 tcc_define_symbol(s
, "__OPTIMIZE__", NULL
);
1965 if (linker_arg
.size
) {
1966 r
= linker_arg
.data
;
1969 *pargc
= argc
- arg_start
;
1970 *pargv
= argv
+ arg_start
;
1973 if (optind
!= noaction
)
1975 if (s
->verbose
== 2)
1976 return OPT_PRINT_DIRS
;
1982 LIBTCCAPI
void tcc_set_options(TCCState
*s
, const char *r
)
1986 args_parser_make_argv(r
, &argc
, &argv
);
1987 tcc_parse_args(s
, &argc
, &argv
, 0);
1988 dynarray_reset(&argv
, &argc
);
1991 PUB_FUNC
void tcc_print_stats(TCCState
*s
, unsigned total_time
)
1995 if (total_bytes
< 1)
1997 fprintf(stderr
, "* %d idents, %d lines, %d bytes\n"
1998 "* %0.3f s, %u lines/s, %0.1f MB/s\n",
1999 tok_ident
- TOK_IDENT
, total_lines
, total_bytes
,
2000 (double)total_time
/1000,
2001 (unsigned)total_lines
*1000/total_time
,
2002 (double)total_bytes
/1000/total_time
);
2004 fprintf(stderr
, "* %d bytes memory used\n", mem_max_size
);