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
21 #if !defined ONE_SOURCE || ONE_SOURCE
26 #ifdef TCC_TARGET_I386
28 #include "i386-link.c"
30 #elif defined(TCC_TARGET_ARM)
34 #elif defined(TCC_TARGET_ARM64)
35 #include "arm64-gen.c"
36 #include "arm64-link.c"
37 #elif defined(TCC_TARGET_C67)
41 #elif defined(TCC_TARGET_X86_64)
42 #include "x86_64-gen.c"
43 #include "x86_64-link.c"
45 #elif defined(TCC_TARGET_RISCV64)
46 #include "riscv64-gen.c"
47 #include "riscv64-link.c"
57 #endif /* ONE_SOURCE */
61 /********************************************************/
62 /* global variables */
64 /* XXX: get rid of this ASAP (or maybe not) */
65 ST_DATA
struct TCCState
*tcc_state
;
71 /********************************************************/
73 ST_FUNC
char *normalize_slashes(char *path
)
76 for (p
= path
; *p
; ++p
)
82 static HMODULE tcc_module
;
84 /* on win32, we suppose the lib and includes are at the location of 'tcc.exe' */
85 static void tcc_set_lib_path_w32(TCCState
*s
)
88 GetModuleFileNameA(tcc_module
, path
, sizeof path
);
89 p
= tcc_basename(normalize_slashes(strlwr(path
)));
93 tcc_set_lib_path(s
, path
);
97 static void tcc_add_systemdir(TCCState
*s
)
100 GetSystemDirectory(buf
, sizeof buf
);
101 tcc_add_library_path(s
, normalize_slashes(buf
));
106 BOOL WINAPI
DllMain (HINSTANCE hDll
, DWORD dwReason
, LPVOID lpReserved
)
108 if (DLL_PROCESS_ATTACH
== dwReason
)
115 /********************************************************/
116 #ifndef CONFIG_TCC_SEMLOCK
120 static int tcc_sem_init
;
121 static CRITICAL_SECTION tcc_cr
;
122 static void wait_sem(void)
125 InitializeCriticalSection(&tcc_cr
), tcc_sem_init
= 1;
126 EnterCriticalSection(&tcc_cr
);
128 #define WAIT_SEM() wait_sem()
129 #define POST_SEM() LeaveCriticalSection(&tcc_cr);
131 #include <semaphore.h>
132 static int tcc_sem_init
;
133 static sem_t tcc_sem
;
134 static void wait_sem(void)
137 sem_init(&tcc_sem
, 0, 1), tcc_sem_init
= 1;
138 while (sem_wait (&tcc_sem
) < 0 && errno
== EINTR
);
140 #define WAIT_SEM() wait_sem()
141 #define POST_SEM() sem_post(&tcc_sem)
144 /********************************************************/
145 /* copy a string and truncate it. */
146 ST_FUNC
char *pstrcpy(char *buf
, size_t buf_size
, const char *s
)
153 q_end
= buf
+ buf_size
- 1;
165 /* strcat and truncate. */
166 ST_FUNC
char *pstrcat(char *buf
, size_t buf_size
, const char *s
)
171 pstrcpy(buf
+ len
, buf_size
- len
, s
);
175 ST_FUNC
char *pstrncpy(char *out
, const char *in
, size_t num
)
177 memcpy(out
, in
, num
);
182 /* extract the basename of a file */
183 PUB_FUNC
char *tcc_basename(const char *name
)
185 char *p
= strchr(name
, 0);
186 while (p
> name
&& !IS_DIRSEP(p
[-1]))
191 /* extract extension part of a file
193 * (if no extension, return pointer to end-of-string)
195 PUB_FUNC
char *tcc_fileextension (const char *name
)
197 char *b
= tcc_basename(name
);
198 char *e
= strrchr(b
, '.');
199 return e
? e
: strchr(b
, 0);
202 /********************************************************/
203 /* memory management */
211 PUB_FUNC
void tcc_free(void *ptr
)
216 PUB_FUNC
void *tcc_malloc(unsigned long size
)
221 _tcc_error("memory full (malloc)");
225 PUB_FUNC
void *tcc_mallocz(unsigned long size
)
228 ptr
= tcc_malloc(size
);
229 memset(ptr
, 0, size
);
233 PUB_FUNC
void *tcc_realloc(void *ptr
, unsigned long size
)
236 ptr1
= realloc(ptr
, size
);
238 _tcc_error("memory full (realloc)");
242 PUB_FUNC
char *tcc_strdup(const char *str
)
245 ptr
= tcc_malloc(strlen(str
) + 1);
252 #define MEM_DEBUG_MAGIC1 0xFEEDDEB1
253 #define MEM_DEBUG_MAGIC2 0xFEEDDEB2
254 #define MEM_DEBUG_MAGIC3 0xFEEDDEB3
255 #define MEM_DEBUG_FILE_LEN 40
256 #define MEM_DEBUG_CHECK3(header) \
257 ((mem_debug_header_t*)((char*)header + header->size))->magic3
258 #define MEM_USER_PTR(header) \
259 ((char *)header + offsetof(mem_debug_header_t, magic3))
260 #define MEM_HEADER_PTR(ptr) \
261 (mem_debug_header_t *)((char*)ptr - offsetof(mem_debug_header_t, magic3))
263 struct mem_debug_header
{
266 struct mem_debug_header
*prev
;
267 struct mem_debug_header
*next
;
269 char file_name
[MEM_DEBUG_FILE_LEN
+ 1];
271 ALIGNED(16) unsigned magic3
;
274 typedef struct mem_debug_header mem_debug_header_t
;
276 static mem_debug_header_t
*mem_debug_chain
;
277 static unsigned mem_cur_size
;
278 static unsigned mem_max_size
;
280 static mem_debug_header_t
*malloc_check(void *ptr
, const char *msg
)
282 mem_debug_header_t
* header
= MEM_HEADER_PTR(ptr
);
283 if (header
->magic1
!= MEM_DEBUG_MAGIC1
||
284 header
->magic2
!= MEM_DEBUG_MAGIC2
||
285 MEM_DEBUG_CHECK3(header
) != MEM_DEBUG_MAGIC3
||
286 header
->size
== (unsigned)-1) {
287 fprintf(stderr
, "%s check failed\n", msg
);
288 if (header
->magic1
== MEM_DEBUG_MAGIC1
)
289 fprintf(stderr
, "%s:%u: block allocated here.\n",
290 header
->file_name
, header
->line_num
);
296 PUB_FUNC
void *tcc_malloc_debug(unsigned long size
, const char *file
, int line
)
299 mem_debug_header_t
*header
;
301 header
= malloc(sizeof(mem_debug_header_t
) + size
);
303 _tcc_error("memory full (malloc)");
305 header
->magic1
= MEM_DEBUG_MAGIC1
;
306 header
->magic2
= MEM_DEBUG_MAGIC2
;
308 MEM_DEBUG_CHECK3(header
) = MEM_DEBUG_MAGIC3
;
309 header
->line_num
= line
;
310 ofs
= strlen(file
) - MEM_DEBUG_FILE_LEN
;
311 strncpy(header
->file_name
, file
+ (ofs
> 0 ? ofs
: 0), MEM_DEBUG_FILE_LEN
);
312 header
->file_name
[MEM_DEBUG_FILE_LEN
] = 0;
314 header
->next
= mem_debug_chain
;
317 header
->next
->prev
= header
;
318 mem_debug_chain
= header
;
320 mem_cur_size
+= size
;
321 if (mem_cur_size
> mem_max_size
)
322 mem_max_size
= mem_cur_size
;
324 return MEM_USER_PTR(header
);
327 PUB_FUNC
void tcc_free_debug(void *ptr
)
329 mem_debug_header_t
*header
;
332 header
= malloc_check(ptr
, "tcc_free");
333 mem_cur_size
-= header
->size
;
334 header
->size
= (unsigned)-1;
336 header
->next
->prev
= header
->prev
;
338 header
->prev
->next
= header
->next
;
339 if (header
== mem_debug_chain
)
340 mem_debug_chain
= header
->next
;
344 PUB_FUNC
void *tcc_mallocz_debug(unsigned long size
, const char *file
, int line
)
347 ptr
= tcc_malloc_debug(size
,file
,line
);
348 memset(ptr
, 0, size
);
352 PUB_FUNC
void *tcc_realloc_debug(void *ptr
, unsigned long size
, const char *file
, int line
)
354 mem_debug_header_t
*header
;
355 int mem_debug_chain_update
= 0;
357 return tcc_malloc_debug(size
, file
, line
);
358 header
= malloc_check(ptr
, "tcc_realloc");
359 mem_cur_size
-= header
->size
;
360 mem_debug_chain_update
= (header
== mem_debug_chain
);
361 header
= realloc(header
, sizeof(mem_debug_header_t
) + size
);
363 _tcc_error("memory full (realloc)");
365 MEM_DEBUG_CHECK3(header
) = MEM_DEBUG_MAGIC3
;
367 header
->next
->prev
= header
;
369 header
->prev
->next
= header
;
370 if (mem_debug_chain_update
)
371 mem_debug_chain
= header
;
372 mem_cur_size
+= size
;
373 if (mem_cur_size
> mem_max_size
)
374 mem_max_size
= mem_cur_size
;
375 return MEM_USER_PTR(header
);
378 PUB_FUNC
char *tcc_strdup_debug(const char *str
, const char *file
, int line
)
381 ptr
= tcc_malloc_debug(strlen(str
) + 1, file
, line
);
386 PUB_FUNC
void tcc_memcheck(void)
389 mem_debug_header_t
*header
= mem_debug_chain
;
390 fprintf(stderr
, "MEM_DEBUG: mem_leak= %d bytes, mem_max_size= %d bytes\n",
391 mem_cur_size
, mem_max_size
);
393 fprintf(stderr
, "%s:%u: error: %u bytes leaked\n",
394 header
->file_name
, header
->line_num
, header
->size
);
395 header
= header
->next
;
402 #endif /* MEM_DEBUG */
404 #define free(p) use_tcc_free(p)
405 #define malloc(s) use_tcc_malloc(s)
406 #define realloc(p, s) use_tcc_realloc(p, s)
408 /********************************************************/
411 ST_FUNC
void dynarray_add(void *ptab
, int *nb_ptr
, void *data
)
417 pp
= *(void ***)ptab
;
418 /* every power of two we double array size */
419 if ((nb
& (nb
- 1)) == 0) {
424 pp
= tcc_realloc(pp
, nb_alloc
* sizeof(void *));
431 ST_FUNC
void dynarray_reset(void *pp
, int *n
)
434 for (p
= *(void***)pp
; *n
; ++p
, --*n
)
437 tcc_free(*(void**)pp
);
441 static void tcc_split_path(TCCState
*s
, void *p_ary
, int *p_nb_ary
, const char *in
)
449 for (p
= in
; c
= *p
, c
!= '\0' && c
!= PATHSEP
[0]; ++p
) {
450 if (c
== '{' && p
[1] && p
[2] == '}') {
453 cstr_cat(&str
, s
->tcc_lib_path
, -1);
454 if (c
== 'f' && file
) {
455 /* substitute current file's dir */
456 const char *f
= file
->true_filename
;
457 const char *b
= tcc_basename(f
);
459 cstr_cat(&str
, f
, b
- f
- 1);
461 cstr_cat(&str
, ".", 1);
468 cstr_ccat(&str
, '\0');
469 dynarray_add(p_ary
, p_nb_ary
, tcc_strdup(str
.data
));
476 /********************************************************/
478 static void strcat_vprintf(char *buf
, int buf_size
, const char *fmt
, va_list ap
)
482 vsnprintf(buf
+ len
, buf_size
- len
, fmt
, ap
);
485 static void strcat_printf(char *buf
, int buf_size
, const char *fmt
, ...)
489 strcat_vprintf(buf
, buf_size
, fmt
, ap
);
494 #define ERROR_NOABORT 1
495 #define ERROR_ERROR 2
497 PUB_FUNC
void tcc_enter_state(TCCState
*s1
)
503 static void error1(int mode
, const char *fmt
, va_list ap
)
506 BufferedFile
**pf
, *f
;
507 TCCState
*s1
= tcc_state
;
509 /* 's1->error_set_jmp_enabled' means that we're called from
510 within the parser/generator and 'tcc_state' was already
511 set (i.e. not by the function above).
513 Otherwise, 's1 = NULL' means we're called because of severe
514 problems from tcc_malloc() which under normal conditions
515 should never happen. */
517 if (s1
&& !s1
->error_set_jmp_enabled
) {
522 if (mode
== ERROR_WARN
) {
530 /* use upper file if inline ":asm:" or token ":paste:" */
531 for (f
= file
; f
&& f
->filename
[0] == ':'; f
= f
->prev
)
534 for(pf
= s1
->include_stack
; pf
< s1
->include_stack_ptr
; pf
++)
535 strcat_printf(buf
, sizeof(buf
), "In file included from %s:%d:\n",
536 (*pf
)->filename
, (*pf
)->line_num
);
537 if (s1
->error_set_jmp_enabled
) {
538 strcat_printf(buf
, sizeof(buf
), "%s:%d: ",
539 f
->filename
, f
->line_num
- !!(tok_flags
& TOK_FLAG_BOL
));
541 strcat_printf(buf
, sizeof(buf
), "%s: ",
545 strcat_printf(buf
, sizeof(buf
), "tcc: ");
547 if (mode
== ERROR_WARN
)
548 strcat_printf(buf
, sizeof(buf
), "warning: ");
550 strcat_printf(buf
, sizeof(buf
), "error: ");
551 strcat_vprintf(buf
, sizeof(buf
), fmt
, ap
);
552 if (!s1
|| !s1
->error_func
) {
553 /* default case: stderr */
554 if (s1
&& s1
->output_type
== TCC_OUTPUT_PREPROCESS
&& s1
->ppfp
== stdout
)
555 /* print a newline during tcc -E */
556 printf("\n"), fflush(stdout
);
557 fflush(stdout
); /* flush -v output */
558 fprintf(stderr
, "%s\n", buf
);
559 fflush(stderr
); /* print error/warning now (win32) */
561 s1
->error_func(s1
->error_opaque
, buf
);
564 if (mode
!= ERROR_WARN
)
566 if (mode
!= ERROR_ERROR
)
568 if (s1
->error_set_jmp_enabled
)
569 longjmp(s1
->error_jmp_buf
, 1);
574 LIBTCCAPI
void tcc_set_error_func(TCCState
*s
, void *error_opaque
, TCCErrorFunc error_func
)
576 s
->error_opaque
= error_opaque
;
577 s
->error_func
= error_func
;
580 LIBTCCAPI TCCErrorFunc
tcc_get_error_func(TCCState
*s
)
582 return s
->error_func
;
585 LIBTCCAPI
void *tcc_get_error_opaque(TCCState
*s
)
587 return s
->error_opaque
;
590 /* error without aborting current compilation */
591 PUB_FUNC
void _tcc_error_noabort(const char *fmt
, ...)
595 error1(ERROR_NOABORT
, fmt
, ap
);
599 PUB_FUNC
void _tcc_error(const char *fmt
, ...)
603 for (;;) error1(ERROR_ERROR
, fmt
, ap
);
606 PUB_FUNC
void _tcc_warning(const char *fmt
, ...)
610 error1(ERROR_WARN
, fmt
, ap
);
614 /********************************************************/
617 ST_FUNC
void tcc_open_bf(TCCState
*s1
, const char *filename
, int initlen
)
620 int buflen
= initlen
? initlen
: IO_BUF_SIZE
;
622 bf
= tcc_mallocz(sizeof(BufferedFile
) + buflen
);
623 bf
->buf_ptr
= bf
->buffer
;
624 bf
->buf_end
= bf
->buffer
+ initlen
;
625 bf
->buf_end
[0] = CH_EOB
; /* put eob symbol */
626 pstrcpy(bf
->filename
, sizeof(bf
->filename
), filename
);
628 normalize_slashes(bf
->filename
);
630 bf
->true_filename
= bf
->filename
;
632 bf
->ifdef_stack_ptr
= s1
->ifdef_stack_ptr
;
636 tok_flags
= TOK_FLAG_BOL
| TOK_FLAG_BOF
;
639 ST_FUNC
void tcc_close(void)
641 TCCState
*s1
= tcc_state
;
642 BufferedFile
*bf
= file
;
645 total_lines
+= bf
->line_num
;
647 if (bf
->true_filename
!= bf
->filename
)
648 tcc_free(bf
->true_filename
);
653 static int _tcc_open(TCCState
*s1
, const char *filename
)
656 if (strcmp(filename
, "-") == 0)
657 fd
= 0, filename
= "<stdin>";
659 fd
= open(filename
, O_RDONLY
| O_BINARY
);
660 if ((s1
->verbose
== 2 && fd
>= 0) || s1
->verbose
== 3)
661 printf("%s %*s%s\n", fd
< 0 ? "nf":"->",
662 (int)(s1
->include_stack_ptr
- s1
->include_stack
), "", filename
);
666 ST_FUNC
int tcc_open(TCCState
*s1
, const char *filename
)
668 int fd
= _tcc_open(s1
, filename
);
671 tcc_open_bf(s1
, filename
, 0);
676 /* compile the file opened in 'file'. Return non zero if errors. */
677 static int tcc_compile(TCCState
*s1
, int filetype
, const char *str
, int fd
)
679 /* Here we enter the code section where we use the global variables for
680 parsing and code generation (tccpp.c, tccgen.c, <target>-gen.c).
681 Other threads need to wait until we're done.
683 Alternatively we could use thread local storage for those global
684 variables, which may or may not have advantages */
689 if (setjmp(s1
->error_jmp_buf
) == 0) {
691 s1
->error_set_jmp_enabled
= 1;
695 int len
= strlen(str
);
696 tcc_open_bf(s1
, "<string>", len
);
697 memcpy(file
->buffer
, str
, len
);
699 tcc_open_bf(s1
, str
, 0);
703 is_asm
= !!(filetype
& (AFF_TYPE_ASM
|AFF_TYPE_ASMPP
));
704 tccelf_begin_file(s1
);
705 preprocess_start(s1
, is_asm
);
707 if (s1
->output_type
== TCC_OUTPUT_PREPROCESS
) {
710 #ifdef CONFIG_TCC_ASM
711 tcc_assemble(s1
, !!(filetype
& AFF_TYPE_ASMPP
));
713 tcc_error_noabort("asm not supported");
719 s1
->error_set_jmp_enabled
= 0;
726 return s1
->nb_errors
!= 0 ? -1 : 0;
729 LIBTCCAPI
int tcc_compile_string(TCCState
*s
, const char *str
)
731 return tcc_compile(s
, s
->filetype
, str
, -1);
734 /* define a preprocessor symbol. A value can also be provided with the '=' operator */
735 LIBTCCAPI
void tcc_define_symbol(TCCState
*s1
, const char *sym
, const char *value
)
739 cstr_printf(&s1
->cmdline_defs
, "#define %s %s\n", sym
, value
);
742 /* undefine a preprocessor symbol */
743 LIBTCCAPI
void tcc_undefine_symbol(TCCState
*s1
, const char *sym
)
745 cstr_printf(&s1
->cmdline_defs
, "#undef %s\n", sym
);
749 LIBTCCAPI TCCState
*tcc_new(void)
753 s
= tcc_mallocz(sizeof(TCCState
));
765 s
->dollars_in_identifiers
= 1; /*on by default like in gcc/clang*/
766 s
->cversion
= 199901; /* default unless -std=c11 is supplied */
767 s
->warn_implicit_function_declaration
= 1;
768 s
->ms_extensions
= 1;
770 #ifdef CHAR_IS_UNSIGNED
771 s
->char_is_unsigned
= 1;
773 #ifdef TCC_TARGET_I386
776 /* enable this if you want symbols with leading underscore on windows: */
777 #if 0 /* def TCC_TARGET_PE */
778 s
->leading_underscore
= 1;
780 #ifdef CONFIG_TCC_BACKTRACE
781 s
->rt_num_callers
= 6;
784 /* might be used in error() before preprocess_start() */
785 s
->include_stack_ptr
= s
->include_stack
;
790 tcc_set_lib_path_w32(s
);
792 tcc_set_lib_path(s
, CONFIG_TCCDIR
);
796 /* define __TINYC__ 92X */
797 char buffer
[32]; int a
,b
,c
;
798 sscanf(TCC_VERSION
, "%d.%d.%d", &a
, &b
, &c
);
799 sprintf(buffer
, "%d", a
*10000 + b
*100 + c
);
800 tcc_define_symbol(s
, "__TINYC__", buffer
);
803 /* standard defines */
804 tcc_define_symbol(s
, "__STDC__", NULL
);
805 tcc_define_symbol(s
, "__STDC_VERSION__", "199901L");
806 tcc_define_symbol(s
, "__STDC_HOSTED__", NULL
);
808 #if !defined(TCC_TARGET_PE)
809 /* glibc compatible macro (default for C99) */
810 tcc_define_symbol(s
, "_ISOC99_SOURCE", "1");
814 #if defined(TCC_TARGET_I386)
815 tcc_define_symbol(s
, "__i386__", NULL
);
816 tcc_define_symbol(s
, "__i386", NULL
);
817 tcc_define_symbol(s
, "i386", NULL
);
818 #elif defined(TCC_TARGET_X86_64)
819 tcc_define_symbol(s
, "__x86_64__", NULL
);
820 #elif defined(TCC_TARGET_ARM)
821 tcc_define_symbol(s
, "__ARM_ARCH_4__", NULL
);
822 tcc_define_symbol(s
, "__arm_elf__", NULL
);
823 tcc_define_symbol(s
, "__arm_elf", NULL
);
824 tcc_define_symbol(s
, "arm_elf", NULL
);
825 tcc_define_symbol(s
, "__arm__", NULL
);
826 tcc_define_symbol(s
, "__arm", NULL
);
827 tcc_define_symbol(s
, "arm", NULL
);
828 tcc_define_symbol(s
, "__APCS_32__", NULL
);
829 tcc_define_symbol(s
, "__ARMEL__", NULL
);
830 #if defined(TCC_ARM_EABI)
831 tcc_define_symbol(s
, "__ARM_EABI__", NULL
);
833 #if defined(TCC_ARM_HARDFLOAT)
834 s
->float_abi
= ARM_HARD_FLOAT
;
835 tcc_define_symbol(s
, "__ARM_PCS_VFP", NULL
);
837 s
->float_abi
= ARM_SOFTFP_FLOAT
;
839 #elif defined(TCC_TARGET_ARM64)
840 tcc_define_symbol(s
, "__aarch64__", NULL
);
841 #elif defined TCC_TARGET_C67
842 tcc_define_symbol(s
, "__C67__", NULL
);
843 #elif defined TCC_TARGET_RISCV64
844 tcc_define_symbol(s
, "__riscv", NULL
);
845 tcc_define_symbol(s
, "__riscv_xlen", "64");
846 tcc_define_symbol(s
, "__riscv_flen", "64");
847 tcc_define_symbol(s
, "__riscv_div", NULL
);
848 tcc_define_symbol(s
, "__riscv_mul", NULL
);
849 tcc_define_symbol(s
, "__riscv_fdiv", NULL
);
850 tcc_define_symbol(s
, "__riscv_fsqrt", NULL
);
851 tcc_define_symbol(s
, "__riscv_float_abi_double", NULL
);
855 tcc_define_symbol(s
, "_WIN32", NULL
);
856 tcc_define_symbol(s
, "__declspec(x)", "__attribute__((x))");
857 tcc_define_symbol(s
, "__cdecl", "");
858 # ifdef TCC_TARGET_X86_64
859 tcc_define_symbol(s
, "_WIN64", NULL
);
862 tcc_define_symbol(s
, "__unix__", NULL
);
863 tcc_define_symbol(s
, "__unix", NULL
);
864 tcc_define_symbol(s
, "unix", NULL
);
865 # if defined(__linux__)
866 tcc_define_symbol(s
, "__linux__", NULL
);
867 tcc_define_symbol(s
, "__linux", NULL
);
869 # if defined(__FreeBSD__)
870 tcc_define_symbol(s
, "__FreeBSD__", "__FreeBSD__");
871 /* No 'Thread Storage Local' on FreeBSD with tcc */
872 tcc_define_symbol(s
, "__NO_TLS", NULL
);
874 # if defined(__FreeBSD_kernel__)
875 tcc_define_symbol(s
, "__FreeBSD_kernel__", NULL
);
877 # if defined(__NetBSD__)
878 tcc_define_symbol(s
, "__NetBSD__", "__NetBSD__");
880 # if defined(__OpenBSD__)
881 tcc_define_symbol(s
, "__OpenBSD__", "__OpenBSD__");
885 /* TinyCC & gcc defines */
888 tcc_define_symbol(s
, "__SIZE_TYPE__", "unsigned int");
889 tcc_define_symbol(s
, "__PTRDIFF_TYPE__", "int");
890 tcc_define_symbol(s
, "__ILP32__", NULL
);
893 tcc_define_symbol(s
, "__SIZE_TYPE__", "unsigned long long");
894 tcc_define_symbol(s
, "__PTRDIFF_TYPE__", "long long");
895 tcc_define_symbol(s
, "__LLP64__", NULL
);
897 /* Other 64bit systems. */
898 tcc_define_symbol(s
, "__SIZE_TYPE__", "unsigned long");
899 tcc_define_symbol(s
, "__PTRDIFF_TYPE__", "long");
900 tcc_define_symbol(s
, "__LP64__", NULL
);
902 tcc_define_symbol(s
, "__SIZEOF_POINTER__", PTR_SIZE
== 4 ? "4" : "8");
905 tcc_define_symbol(s
, "__WCHAR_TYPE__", "unsigned short");
906 tcc_define_symbol(s
, "__WINT_TYPE__", "unsigned short");
908 tcc_define_symbol(s
, "__WCHAR_TYPE__", "int");
909 /* wint_t is unsigned int by default, but (signed) int on BSDs
910 and unsigned short on windows. Other OSes might have still
911 other conventions, sigh. */
912 # if defined(__FreeBSD__) || defined (__FreeBSD_kernel__) \
913 || defined(__NetBSD__) || defined(__OpenBSD__)
914 tcc_define_symbol(s
, "__WINT_TYPE__", "int");
916 /* define __GNUC__ to have some useful stuff from sys/cdefs.h
917 that are unconditionally used in FreeBSDs other system headers :/ */
918 tcc_define_symbol(s
, "__GNUC__", "2");
919 tcc_define_symbol(s
, "__GNUC_MINOR__", "7");
920 tcc_define_symbol(s
, "__builtin_alloca", "alloca");
923 tcc_define_symbol(s
, "__WINT_TYPE__", "unsigned int");
925 tcc_define_symbol(s
, "__REDIRECT(name, proto, alias)",
926 "name proto __asm__ (#alias)");
927 tcc_define_symbol(s
, "__REDIRECT_NTH(name, proto, alias)",
928 "name proto __asm__ (#alias) __THROW");
930 # if defined(TCC_MUSL)
931 tcc_define_symbol(s
, "__DEFINED_va_list", "");
932 tcc_define_symbol(s
, "__DEFINED___isoc_va_list", "");
933 tcc_define_symbol(s
, "__isoc_va_list", "void *");
934 # endif /* TCC_MUSL */
935 /* Some GCC builtins that are simple to express as macros. */
936 tcc_define_symbol(s
, "__builtin_extract_return_addr(x)", "x");
937 #endif /* ndef TCC_TARGET_PE */
941 LIBTCCAPI
void tcc_delete(TCCState
*s1
)
946 /* free library paths */
947 dynarray_reset(&s1
->library_paths
, &s1
->nb_library_paths
);
948 dynarray_reset(&s1
->crt_paths
, &s1
->nb_crt_paths
);
950 /* free include paths */
951 dynarray_reset(&s1
->include_paths
, &s1
->nb_include_paths
);
952 dynarray_reset(&s1
->sysinclude_paths
, &s1
->nb_sysinclude_paths
);
954 tcc_free(s1
->tcc_lib_path
);
955 tcc_free(s1
->soname
);
957 tcc_free(s1
->init_symbol
);
958 tcc_free(s1
->fini_symbol
);
959 tcc_free(s1
->outfile
);
960 tcc_free(s1
->deps_outfile
);
961 dynarray_reset(&s1
->files
, &s1
->nb_files
);
962 dynarray_reset(&s1
->target_deps
, &s1
->nb_target_deps
);
963 dynarray_reset(&s1
->pragma_libs
, &s1
->nb_pragma_libs
);
964 dynarray_reset(&s1
->argv
, &s1
->argc
);
966 cstr_free(&s1
->cmdline_defs
);
967 cstr_free(&s1
->cmdline_incl
);
969 /* free runtime memory */
975 if (0 == --nb_states
)
980 LIBTCCAPI
int tcc_set_output_type(TCCState
*s
, int output_type
)
982 s
->output_type
= output_type
;
984 /* always elf for objects */
985 if (output_type
== TCC_OUTPUT_OBJ
)
986 s
->output_format
= TCC_OUTPUT_FORMAT_ELF
;
988 if (s
->char_is_unsigned
)
989 tcc_define_symbol(s
, "__CHAR_UNSIGNED__", NULL
);
992 /* default include paths */
993 /* -isystem paths have already been handled */
994 tcc_add_sysinclude_path(s
, CONFIG_TCC_SYSINCLUDEPATHS
);
997 #ifdef CONFIG_TCC_BCHECK
998 if (s
->do_bounds_check
) {
999 /* if bound checking, then add corresponding sections */
1000 tccelf_bounds_new(s
);
1002 tcc_define_symbol(s
, "__BOUNDS_CHECKING_ON", NULL
);
1006 /* add debug sections */
1010 tcc_add_library_path(s
, CONFIG_TCC_LIBPATHS
);
1012 #ifdef TCC_TARGET_PE
1014 if (!s
->nostdlib
&& output_type
!= TCC_OUTPUT_OBJ
)
1015 tcc_add_systemdir(s
);
1018 /* paths for crt objects */
1019 tcc_split_path(s
, &s
->crt_paths
, &s
->nb_crt_paths
, CONFIG_TCC_CRTPREFIX
);
1020 /* add libc crt1/crti objects */
1021 if ((output_type
== TCC_OUTPUT_EXE
|| output_type
== TCC_OUTPUT_DLL
) &&
1023 if (output_type
!= TCC_OUTPUT_DLL
)
1024 tcc_add_crt(s
, "crt1.o");
1025 tcc_add_crt(s
, "crti.o");
1031 LIBTCCAPI
int tcc_add_include_path(TCCState
*s
, const char *pathname
)
1033 tcc_split_path(s
, &s
->include_paths
, &s
->nb_include_paths
, pathname
);
1037 LIBTCCAPI
int tcc_add_sysinclude_path(TCCState
*s
, const char *pathname
)
1039 tcc_split_path(s
, &s
->sysinclude_paths
, &s
->nb_sysinclude_paths
, pathname
);
1043 ST_FUNC
int tcc_add_file_internal(TCCState
*s1
, const char *filename
, int flags
)
1048 fd
= _tcc_open(s1
, filename
);
1050 if (flags
& AFF_PRINT_ERROR
)
1051 tcc_error_noabort("file '%s' not found", filename
);
1055 /* update target deps */
1056 dynarray_add(&s1
->target_deps
, &s1
->nb_target_deps
,
1057 tcc_strdup(filename
));
1059 if (flags
& AFF_TYPE_BIN
) {
1063 obj_type
= tcc_object_type(fd
, &ehdr
);
1064 lseek(fd
, 0, SEEK_SET
);
1066 #ifdef TCC_TARGET_MACHO
1067 if (0 == obj_type
&& 0 == strcmp(tcc_fileextension(filename
), ".dylib"))
1068 obj_type
= AFF_BINTYPE_DYN
;
1072 case AFF_BINTYPE_REL
:
1073 ret
= tcc_load_object_file(s1
, fd
, 0);
1075 #ifndef TCC_TARGET_PE
1076 case AFF_BINTYPE_DYN
:
1077 if (s1
->output_type
== TCC_OUTPUT_MEMORY
) {
1079 #ifdef TCC_IS_NATIVE
1080 if (NULL
== dlopen(filename
, RTLD_GLOBAL
| RTLD_LAZY
))
1084 ret
= tcc_load_dll(s1
, fd
, filename
,
1085 (flags
& AFF_REFERENCED_DLL
) != 0);
1089 case AFF_BINTYPE_AR
:
1090 ret
= tcc_load_archive(s1
, fd
, !(flags
& AFF_WHOLE_ARCHIVE
));
1092 #ifdef TCC_TARGET_COFF
1093 case AFF_BINTYPE_C67
:
1094 ret
= tcc_load_coff(s1
, fd
);
1098 #ifdef TCC_TARGET_PE
1099 ret
= pe_load_file(s1
, filename
, fd
);
1101 /* as GNU ld, consider it is an ld script if not recognized */
1102 ret
= tcc_load_ldscript(s1
, fd
);
1105 tcc_error_noabort("unrecognized file type");
1110 ret
= tcc_compile(s1
, flags
, filename
, fd
);
1115 LIBTCCAPI
int tcc_add_file(TCCState
*s
, const char *filename
)
1117 int filetype
= s
->filetype
;
1118 if (0 == (filetype
& AFF_TYPE_MASK
)) {
1119 /* use a file extension to detect a filetype */
1120 const char *ext
= tcc_fileextension(filename
);
1123 if (!strcmp(ext
, "S"))
1124 filetype
= AFF_TYPE_ASMPP
;
1125 else if (!strcmp(ext
, "s"))
1126 filetype
= AFF_TYPE_ASM
;
1127 else if (!PATHCMP(ext
, "c") || !PATHCMP(ext
, "i"))
1128 filetype
= AFF_TYPE_C
;
1130 filetype
|= AFF_TYPE_BIN
;
1132 filetype
= AFF_TYPE_C
;
1135 return tcc_add_file_internal(s
, filename
, filetype
| AFF_PRINT_ERROR
);
1138 LIBTCCAPI
int tcc_add_library_path(TCCState
*s
, const char *pathname
)
1140 tcc_split_path(s
, &s
->library_paths
, &s
->nb_library_paths
, pathname
);
1144 static int tcc_add_library_internal(TCCState
*s
, const char *fmt
,
1145 const char *filename
, int flags
, char **paths
, int nb_paths
)
1150 for(i
= 0; i
< nb_paths
; i
++) {
1151 snprintf(buf
, sizeof(buf
), fmt
, paths
[i
], filename
);
1152 if (tcc_add_file_internal(s
, buf
, flags
| AFF_TYPE_BIN
) == 0)
1158 /* find and load a dll. Return non zero if not found */
1159 /* XXX: add '-rpath' option support ? */
1160 ST_FUNC
int tcc_add_dll(TCCState
*s
, const char *filename
, int flags
)
1162 return tcc_add_library_internal(s
, "%s/%s", filename
, flags
,
1163 s
->library_paths
, s
->nb_library_paths
);
1166 #ifndef TCC_TARGET_PE
1167 ST_FUNC
int tcc_add_crt(TCCState
*s1
, const char *filename
)
1169 if (-1 == tcc_add_library_internal(s1
, "%s/%s",
1170 filename
, 0, s1
->crt_paths
, s1
->nb_crt_paths
))
1171 tcc_error_noabort("file '%s' not found", filename
);
1176 /* the library name is the same as the argument of the '-l' option */
1177 LIBTCCAPI
int tcc_add_library(TCCState
*s
, const char *libraryname
)
1179 #if defined TCC_TARGET_PE
1180 const char *libs
[] = { "%s/%s.def", "%s/lib%s.def", "%s/%s.dll", "%s/lib%s.dll", "%s/lib%s.a", NULL
};
1181 const char **pp
= s
->static_link
? libs
+ 4 : libs
;
1182 #elif defined TCC_TARGET_MACHO
1183 const char *libs
[] = { "%s/lib%s.dylib", "%s/lib%s.a", NULL
};
1184 const char **pp
= s
->static_link
? libs
+ 1 : libs
;
1186 const char *libs
[] = { "%s/lib%s.so", "%s/lib%s.a", NULL
};
1187 const char **pp
= s
->static_link
? libs
+ 1 : libs
;
1189 int flags
= s
->filetype
& AFF_WHOLE_ARCHIVE
;
1191 if (0 == tcc_add_library_internal(s
, *pp
,
1192 libraryname
, flags
, s
->library_paths
, s
->nb_library_paths
))
1199 PUB_FUNC
int tcc_add_library_err(TCCState
*s1
, const char *libname
)
1201 int ret
= tcc_add_library(s1
, libname
);
1203 tcc_error_noabort("library '%s' not found", libname
);
1207 /* handle #pragma comment(lib,) */
1208 ST_FUNC
void tcc_add_pragma_libs(TCCState
*s1
)
1211 for (i
= 0; i
< s1
->nb_pragma_libs
; i
++)
1212 tcc_add_library_err(s1
, s1
->pragma_libs
[i
]);
1215 LIBTCCAPI
int tcc_add_symbol(TCCState
*s1
, const char *name
, const void *val
)
1217 #ifdef TCC_TARGET_PE
1218 /* On x86_64 'val' might not be reachable with a 32bit offset.
1219 So it is handled here as if it were in a DLL. */
1220 pe_putimport(s1
, 0, name
, (uintptr_t)val
);
1222 set_elf_sym(symtab_section
, (uintptr_t)val
, 0,
1223 ELFW(ST_INFO
)(STB_GLOBAL
, STT_NOTYPE
), 0,
1229 LIBTCCAPI
void tcc_set_lib_path(TCCState
*s
, const char *path
)
1231 tcc_free(s
->tcc_lib_path
);
1232 s
->tcc_lib_path
= tcc_strdup(path
);
1235 #define WD_ALL 0x0001 /* warning is activated when using -Wall */
1236 #define FD_INVERT 0x0002 /* invert value before storing */
1238 typedef struct FlagDef
{
1244 static int no_flag(const char **pp
)
1246 const char *p
= *pp
;
1247 if (*p
!= 'n' || *++p
!= 'o' || *++p
!= '-')
1253 ST_FUNC
int set_flag(TCCState
*s
, const FlagDef
*flags
, const char *name
)
1264 for (ret
= -1, p
= flags
; p
->name
; ++p
) {
1266 if (strcmp(r
, p
->name
))
1269 if (0 == (p
->flags
& WD_ALL
))
1273 *((unsigned char *)s
+ p
->offset
) =
1274 p
->flags
& FD_INVERT
? !value
: value
;
1284 static int strstart(const char *val
, const char **str
)
1299 /* Like strstart, but automatically takes into account that ld options can
1301 * - start with double or single dash (e.g. '--soname' or '-soname')
1302 * - arguments can be given as separate or after '=' (e.g. '-Wl,-soname,x.so'
1303 * or '-Wl,-soname=x.so')
1305 * you provide `val` always in 'option[=]' form (no leading -)
1307 static int link_option(const char *str
, const char *val
, const char **ptr
)
1312 /* there should be 1 or 2 dashes */
1318 /* then str & val should match (potentially up to '=') */
1329 while (*q
!= '\0' && *q
!= '=') {
1336 /* '=' near eos means ',' or '=' is ok */
1340 if (*p
!= ',' && *p
!= '=')
1350 static const char *skip_linker_arg(const char **str
)
1352 const char *s1
= *str
;
1353 const char *s2
= strchr(s1
, ',');
1354 *str
= s2
? s2
++ : (s2
= s1
+ strlen(s1
));
1358 static void copy_linker_arg(char **pp
, const char *s
, int sep
)
1364 p
[l
= strlen(p
)] = sep
, ++l
;
1365 skip_linker_arg(&q
);
1366 pstrncpy(l
+ (*pp
= tcc_realloc(p
, q
- s
+ l
+ 1)), s
, q
- s
);
1369 /* set linker options */
1370 static int tcc_set_linker(TCCState
*s
, const char *option
)
1375 const char *p
= NULL
;
1380 if (link_option(option
, "Bsymbolic", &p
)) {
1382 } else if (link_option(option
, "nostdlib", &p
)) {
1384 } else if (link_option(option
, "fini=", &p
)) {
1385 copy_linker_arg(&s
->fini_symbol
, p
, 0);
1387 } else if (link_option(option
, "image-base=", &p
)
1388 || link_option(option
, "Ttext=", &p
)) {
1389 s
->text_addr
= strtoull(p
, &end
, 16);
1390 s
->has_text_addr
= 1;
1391 } else if (link_option(option
, "init=", &p
)) {
1392 copy_linker_arg(&s
->init_symbol
, p
, 0);
1394 } else if (link_option(option
, "oformat=", &p
)) {
1395 #if defined(TCC_TARGET_PE)
1396 if (strstart("pe-", &p
)) {
1398 if (strstart("elf64-", &p
)) {
1400 if (strstart("elf32-", &p
)) {
1402 s
->output_format
= TCC_OUTPUT_FORMAT_ELF
;
1403 } else if (!strcmp(p
, "binary")) {
1404 s
->output_format
= TCC_OUTPUT_FORMAT_BINARY
;
1405 #ifdef TCC_TARGET_COFF
1406 } else if (!strcmp(p
, "coff")) {
1407 s
->output_format
= TCC_OUTPUT_FORMAT_COFF
;
1412 } else if (link_option(option
, "as-needed", &p
)) {
1414 } else if (link_option(option
, "O", &p
)) {
1416 } else if (link_option(option
, "export-all-symbols", &p
)) {
1418 } else if (link_option(option
, "export-dynamic", &p
)) {
1420 } else if (link_option(option
, "rpath=", &p
)) {
1421 copy_linker_arg(&s
->rpath
, p
, ':');
1422 } else if (link_option(option
, "enable-new-dtags", &p
)) {
1423 s
->enable_new_dtags
= 1;
1424 } else if (link_option(option
, "section-alignment=", &p
)) {
1425 s
->section_align
= strtoul(p
, &end
, 16);
1426 } else if (link_option(option
, "soname=", &p
)) {
1427 copy_linker_arg(&s
->soname
, p
, 0);
1428 #ifdef TCC_TARGET_PE
1429 } else if (link_option(option
, "large-address-aware", &p
)) {
1430 s
->pe_characteristics
|= 0x20;
1431 } else if (link_option(option
, "file-alignment=", &p
)) {
1432 s
->pe_file_align
= strtoul(p
, &end
, 16);
1433 } else if (link_option(option
, "stack=", &p
)) {
1434 s
->pe_stack_size
= strtoul(p
, &end
, 10);
1435 } else if (link_option(option
, "subsystem=", &p
)) {
1436 #if defined(TCC_TARGET_I386) || defined(TCC_TARGET_X86_64)
1437 if (!strcmp(p
, "native")) {
1438 s
->pe_subsystem
= 1;
1439 } else if (!strcmp(p
, "console")) {
1440 s
->pe_subsystem
= 3;
1441 } else if (!strcmp(p
, "gui") || !strcmp(p
, "windows")) {
1442 s
->pe_subsystem
= 2;
1443 } else if (!strcmp(p
, "posix")) {
1444 s
->pe_subsystem
= 7;
1445 } else if (!strcmp(p
, "efiapp")) {
1446 s
->pe_subsystem
= 10;
1447 } else if (!strcmp(p
, "efiboot")) {
1448 s
->pe_subsystem
= 11;
1449 } else if (!strcmp(p
, "efiruntime")) {
1450 s
->pe_subsystem
= 12;
1451 } else if (!strcmp(p
, "efirom")) {
1452 s
->pe_subsystem
= 13;
1453 #elif defined(TCC_TARGET_ARM)
1454 if (!strcmp(p
, "wince")) {
1455 s
->pe_subsystem
= 9;
1460 } else if (ret
= link_option(option
, "?whole-archive", &p
), ret
) {
1462 s
->filetype
|= AFF_WHOLE_ARCHIVE
;
1464 s
->filetype
&= ~AFF_WHOLE_ARCHIVE
;
1469 tcc_error("unsupported linker option '%s'", option
);
1472 if (ignoring
&& s
->warn_unsupported
)
1473 tcc_warning("unsupported linker option '%s'", option
);
1475 option
= skip_linker_arg(&p
);
1480 typedef struct TCCOption
{
1503 TCC_OPTION_dumpversion
,
1512 TCC_OPTION_traditional
,
1517 TCC_OPTION_mfloat_abi
,
1521 TCC_OPTION_iwithprefix
,
1523 TCC_OPTION_nostdinc
,
1524 TCC_OPTION_nostdlib
,
1525 TCC_OPTION_print_search_dirs
,
1526 TCC_OPTION_rdynamic
,
1528 TCC_OPTION_pedantic
,
1541 #define TCC_OPTION_HAS_ARG 0x0001
1542 #define TCC_OPTION_NOSEP 0x0002 /* cannot have space before option and arg */
1544 static const TCCOption tcc_options
[] = {
1545 { "h", TCC_OPTION_HELP
, 0 },
1546 { "-help", TCC_OPTION_HELP
, 0 },
1547 { "?", TCC_OPTION_HELP
, 0 },
1548 { "hh", TCC_OPTION_HELP2
, 0 },
1549 { "v", TCC_OPTION_v
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1550 { "I", TCC_OPTION_I
, TCC_OPTION_HAS_ARG
},
1551 { "D", TCC_OPTION_D
, TCC_OPTION_HAS_ARG
},
1552 { "U", TCC_OPTION_U
, TCC_OPTION_HAS_ARG
},
1553 { "P", TCC_OPTION_P
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1554 { "L", TCC_OPTION_L
, TCC_OPTION_HAS_ARG
},
1555 { "B", TCC_OPTION_B
, TCC_OPTION_HAS_ARG
},
1556 { "l", TCC_OPTION_l
, TCC_OPTION_HAS_ARG
},
1557 { "bench", TCC_OPTION_bench
, 0 },
1558 #ifdef CONFIG_TCC_BACKTRACE
1559 { "bt", TCC_OPTION_bt
, TCC_OPTION_HAS_ARG
},
1561 #ifdef CONFIG_TCC_BCHECK
1562 { "b", TCC_OPTION_b
, 0 },
1564 { "g", TCC_OPTION_g
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1565 { "c", TCC_OPTION_c
, 0 },
1566 { "dumpversion", TCC_OPTION_dumpversion
, 0},
1567 { "d", TCC_OPTION_d
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1568 { "static", TCC_OPTION_static
, 0 },
1569 { "std", TCC_OPTION_std
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1570 { "shared", TCC_OPTION_shared
, 0 },
1571 { "soname", TCC_OPTION_soname
, TCC_OPTION_HAS_ARG
},
1572 { "o", TCC_OPTION_o
, TCC_OPTION_HAS_ARG
},
1573 { "-param", TCC_OPTION_param
, TCC_OPTION_HAS_ARG
},
1574 { "pedantic", TCC_OPTION_pedantic
, 0},
1575 { "pthread", TCC_OPTION_pthread
, 0},
1576 { "run", TCC_OPTION_run
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1577 { "rdynamic", TCC_OPTION_rdynamic
, 0 },
1578 { "r", TCC_OPTION_r
, 0 },
1579 { "s", TCC_OPTION_s
, 0 },
1580 { "traditional", TCC_OPTION_traditional
, 0 },
1581 { "Wl,", TCC_OPTION_Wl
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1582 { "Wp,", TCC_OPTION_Wp
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1583 { "W", TCC_OPTION_W
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1584 { "O", TCC_OPTION_O
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1585 #ifdef TCC_TARGET_ARM
1586 { "mfloat-abi", TCC_OPTION_mfloat_abi
, TCC_OPTION_HAS_ARG
},
1588 { "m", TCC_OPTION_m
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1589 { "f", TCC_OPTION_f
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1590 { "isystem", TCC_OPTION_isystem
, TCC_OPTION_HAS_ARG
},
1591 { "include", TCC_OPTION_include
, TCC_OPTION_HAS_ARG
},
1592 { "nostdinc", TCC_OPTION_nostdinc
, 0 },
1593 { "nostdlib", TCC_OPTION_nostdlib
, 0 },
1594 { "print-search-dirs", TCC_OPTION_print_search_dirs
, 0 },
1595 { "w", TCC_OPTION_w
, 0 },
1596 { "pipe", TCC_OPTION_pipe
, 0},
1597 { "E", TCC_OPTION_E
, 0},
1598 { "MD", TCC_OPTION_MD
, 0},
1599 { "MF", TCC_OPTION_MF
, TCC_OPTION_HAS_ARG
},
1600 { "x", TCC_OPTION_x
, TCC_OPTION_HAS_ARG
},
1601 { "ar", TCC_OPTION_ar
, 0},
1602 #ifdef TCC_TARGET_PE
1603 { "impdef", TCC_OPTION_impdef
, 0},
1608 static const FlagDef options_W
[] = {
1610 { offsetof(TCCState
, warn_unsupported
), 0, "unsupported" },
1611 { offsetof(TCCState
, warn_write_strings
), 0, "write-strings" },
1612 { offsetof(TCCState
, warn_error
), 0, "error" },
1613 { offsetof(TCCState
, warn_gcc_compat
), 0, "gcc-compat" },
1614 { offsetof(TCCState
, warn_implicit_function_declaration
), WD_ALL
,
1615 "implicit-function-declaration" },
1619 static const FlagDef options_f
[] = {
1620 { offsetof(TCCState
, char_is_unsigned
), 0, "unsigned-char" },
1621 { offsetof(TCCState
, char_is_unsigned
), FD_INVERT
, "signed-char" },
1622 { offsetof(TCCState
, nocommon
), FD_INVERT
, "common" },
1623 { offsetof(TCCState
, leading_underscore
), 0, "leading-underscore" },
1624 { offsetof(TCCState
, ms_extensions
), 0, "ms-extensions" },
1625 { offsetof(TCCState
, dollars_in_identifiers
), 0, "dollars-in-identifiers" },
1629 static const FlagDef options_m
[] = {
1630 { offsetof(TCCState
, ms_bitfields
), 0, "ms-bitfields" },
1631 #ifdef TCC_TARGET_X86_64
1632 { offsetof(TCCState
, nosse
), FD_INVERT
, "sse" },
1637 static void parse_option_D(TCCState
*s1
, const char *optarg
)
1639 char *sym
= tcc_strdup(optarg
);
1640 char *value
= strchr(sym
, '=');
1643 tcc_define_symbol(s1
, sym
, value
);
1647 static void args_parser_add_file(TCCState
*s
, const char* filename
, int filetype
)
1649 struct filespec
*f
= tcc_malloc(sizeof *f
+ strlen(filename
));
1651 strcpy(f
->name
, filename
);
1652 dynarray_add(&s
->files
, &s
->nb_files
, f
);
1655 static int args_parser_make_argv(const char *r
, int *argc
, char ***argv
)
1660 while (c
= (unsigned char)*r
, c
&& c
<= ' ')
1666 while (c
= (unsigned char)*r
, c
) {
1668 if (c
== '\\' && (*r
== '"' || *r
== '\\')) {
1670 } else if (c
== '"') {
1673 } else if (q
== 0 && c
<= ' ') {
1679 //printf("<%s>\n", str.data), fflush(stdout);
1680 dynarray_add(argv
, argc
, tcc_strdup(str
.data
));
1687 /* read list file */
1688 static void args_parser_listfile(TCCState
*s
,
1689 const char *filename
, int optind
, int *pargc
, char ***pargv
)
1698 fd
= open(filename
, O_RDONLY
| O_BINARY
);
1700 tcc_error("listfile '%s' not found", filename
);
1702 len
= lseek(fd
, 0, SEEK_END
);
1703 p
= tcc_malloc(len
+ 1), p
[len
] = 0;
1704 lseek(fd
, 0, SEEK_SET
), read(fd
, p
, len
), close(fd
);
1706 for (i
= 0; i
< *pargc
; ++i
)
1708 args_parser_make_argv(p
, &argc
, &argv
);
1710 dynarray_add(&argv
, &argc
, tcc_strdup((*pargv
)[i
]));
1713 dynarray_reset(&s
->argv
, &s
->argc
);
1714 *pargc
= s
->argc
= argc
, *pargv
= s
->argv
= argv
;
1717 PUB_FUNC
int tcc_parse_args(TCCState
*s
, int *pargc
, char ***pargv
, int optind
)
1720 const TCCOption
*popt
;
1721 const char *optarg
, *r
;
1722 const char *run
= NULL
;
1725 CString linker_arg
; /* collect -Wl options */
1726 int tool
= 0, arg_start
= 0, noaction
= optind
;
1727 char **argv
= *pargv
;
1730 cstr_new(&linker_arg
);
1732 while (optind
< argc
) {
1734 if (r
[0] == '@' && r
[1] != '\0') {
1735 args_parser_listfile(s
, r
+ 1, optind
, &argc
, &argv
);
1740 if (r
[0] == '-' && r
[1] == 'v' && r
[2] == 0)
1745 if (r
[0] != '-' || r
[1] == '\0') {
1746 if (r
[0] != '@') /* allow "tcc file(s) -run @ args ..." */
1747 args_parser_add_file(s
, r
, s
->filetype
);
1749 tcc_set_options(s
, run
);
1750 arg_start
= optind
- 1;
1756 /* find option in table */
1757 for(popt
= tcc_options
; ; ++popt
) {
1758 const char *p1
= popt
->name
;
1759 const char *r1
= r
+ 1;
1761 tcc_error("invalid option -- '%s'", r
);
1762 if (!strstart(p1
, &r1
))
1765 if (popt
->flags
& TCC_OPTION_HAS_ARG
) {
1766 if (*r1
== '\0' && !(popt
->flags
& TCC_OPTION_NOSEP
)) {
1769 tcc_error("argument to '%s' is missing", r
);
1770 optarg
= argv
[optind
++];
1772 } else if (*r1
!= '\0')
1777 switch(popt
->index
) {
1778 case TCC_OPTION_HELP
:
1780 case TCC_OPTION_HELP2
:
1783 tcc_add_include_path(s
, optarg
);
1786 parse_option_D(s
, optarg
);
1789 tcc_undefine_symbol(s
, optarg
);
1792 tcc_add_library_path(s
, optarg
);
1795 /* set tcc utilities path (mainly for tcc development) */
1796 tcc_set_lib_path(s
, optarg
);
1799 args_parser_add_file(s
, optarg
, AFF_TYPE_LIB
| (s
->filetype
& ~AFF_TYPE_MASK
));
1802 case TCC_OPTION_pthread
:
1803 parse_option_D(s
, "_REENTRANT");
1804 s
->option_pthread
= 1;
1806 case TCC_OPTION_bench
:
1809 #ifdef CONFIG_TCC_BACKTRACE
1811 s
->rt_num_callers
= atoi(optarg
);
1814 #ifdef CONFIG_TCC_BCHECK
1816 s
->do_bounds_check
= 1;
1827 tcc_warning("-%s: overriding compiler action already specified", popt
->name
);
1833 else if (*optarg
== 'M')
1835 else if (*optarg
== 't')
1837 else if (isnum(*optarg
))
1838 s
->g_debug
|= atoi(optarg
);
1840 goto unsupported_option
;
1842 case TCC_OPTION_static
:
1845 case TCC_OPTION_std
:
1846 if (*optarg
== '=') {
1847 if (strcmp(optarg
, "=c11") == 0) {
1848 tcc_undefine_symbol(s
, "__STDC_VERSION__");
1849 tcc_define_symbol(s
, "__STDC_VERSION__", "201112L");
1851 * The integer constant 1, intended to indicate
1852 * that the implementation does not support atomic
1853 * types (including the _Atomic type qualifier) and
1854 * the <stdatomic.h> header.
1856 tcc_define_symbol(s
, "__STDC_NO_ATOMICS__", "1");
1858 * The integer constant 1, intended to indicate
1859 * that the implementation does not support complex
1860 * types or the <complex.h> header.
1862 tcc_define_symbol(s
, "__STDC_NO_COMPLEX__", "1");
1864 * The integer constant 1, intended to indicate
1865 * that the implementation does not support the
1866 * <threads.h> header.
1868 tcc_define_symbol(s
, "__STDC_NO_THREADS__", "1");
1870 * __STDC_NO_VLA__, tcc supports VLA.
1871 * The integer constant 1, intended to indicate
1872 * that the implementation does not support
1873 * variable length arrays or variably modified
1876 #if !defined(TCC_TARGET_PE)
1878 * An integer constant of the form yyyymmL (for
1879 * example, 199712L). If this symbol is defined,
1880 * then every character in the Unicode required
1881 * set, when stored in an object of type
1882 * wchar_t, has the same value as the short
1883 * identifier of that character.
1886 /* on Linux, this conflicts with a define introduced by
1887 * /usr/include/stdc-predef.h included by glibc libs;
1888 * clang doesn't define it at all so it's probably not necessary
1890 tcc_define_symbol(s
, "__STDC_ISO_10646__", "201605L");
1893 * The integer constant 1, intended to indicate
1894 * that values of type char16_t are UTF−16
1895 * encoded. If some other encoding is used, the
1896 * macro shall not be defined and the actual
1897 * encoding used is implementation defined.
1899 tcc_define_symbol(s
, "__STDC_UTF_16__", "1");
1901 * The integer constant 1, intended to indicate
1902 * that values of type char32_t are UTF−32
1903 * encoded. If some other encoding is used, the
1904 * macro shall not be defined and the actual
1905 * encoding used is implementationdefined.
1907 tcc_define_symbol(s
, "__STDC_UTF_32__", "1");
1909 * glibc compatible macro used when -std=c11 is used.
1910 * _ISOC99_SOURCE remains defined as does gcc.
1912 tcc_define_symbol(s
, "_ISOC11_SOURCE", "1");
1913 #endif /* !TCC_TARGET_PE */
1914 s
->cversion
= 201112;
1918 * silently ignore other values, a current purpose:
1919 * allow to use a tcc as a reference compiler for "make test"
1922 case TCC_OPTION_shared
:
1924 goto set_output_type
;
1925 case TCC_OPTION_soname
:
1926 s
->soname
= tcc_strdup(optarg
);
1930 tcc_warning("multiple -o option");
1931 tcc_free(s
->outfile
);
1933 s
->outfile
= tcc_strdup(optarg
);
1936 /* generate a .o merging several output files */
1939 goto set_output_type
;
1940 case TCC_OPTION_isystem
:
1941 tcc_add_sysinclude_path(s
, optarg
);
1943 case TCC_OPTION_include
:
1944 cstr_printf(&s
->cmdline_incl
, "#include \"%s\"\n", optarg
);
1946 case TCC_OPTION_nostdinc
:
1949 case TCC_OPTION_nostdlib
:
1952 case TCC_OPTION_run
:
1953 #ifndef TCC_IS_NATIVE
1954 tcc_error("-run is not available in a cross compiler");
1957 x
= TCC_OUTPUT_MEMORY
;
1958 goto set_output_type
;
1960 do ++s
->verbose
; while (*optarg
++ == 'v');
1964 if (set_flag(s
, options_f
, optarg
) < 0)
1965 goto unsupported_option
;
1967 #ifdef TCC_TARGET_ARM
1968 case TCC_OPTION_mfloat_abi
:
1969 /* tcc doesn't support soft float yet */
1970 if (!strcmp(optarg
, "softfp")) {
1971 s
->float_abi
= ARM_SOFTFP_FLOAT
;
1972 tcc_undefine_symbol(s
, "__ARM_PCS_VFP");
1973 } else if (!strcmp(optarg
, "hard"))
1974 s
->float_abi
= ARM_HARD_FLOAT
;
1976 tcc_error("unsupported float abi '%s'", optarg
);
1980 if (set_flag(s
, options_m
, optarg
) < 0) {
1981 if (x
= atoi(optarg
), x
!= 32 && x
!= 64)
1982 goto unsupported_option
;
1983 if (PTR_SIZE
!= x
/8)
1990 if (optarg
[0] && set_flag(s
, options_W
, optarg
) < 0)
1991 goto unsupported_option
;
1996 case TCC_OPTION_rdynamic
:
2000 if (linker_arg
.size
)
2001 --linker_arg
.size
, cstr_ccat(&linker_arg
, ',');
2002 cstr_cat(&linker_arg
, optarg
, 0);
2003 if (tcc_set_linker(s
, linker_arg
.data
))
2004 cstr_free(&linker_arg
);
2010 x
= TCC_OUTPUT_PREPROCESS
;
2011 goto set_output_type
;
2013 s
->Pflag
= atoi(optarg
) + 1;
2019 s
->deps_outfile
= tcc_strdup(optarg
);
2021 case TCC_OPTION_dumpversion
:
2022 printf ("%s\n", TCC_VERSION
);
2029 else if (*optarg
== 'a')
2031 else if (*optarg
== 'b')
2033 else if (*optarg
== 'n')
2036 tcc_warning("unsupported language '%s'", optarg
);
2037 s
->filetype
= x
| (s
->filetype
& ~AFF_TYPE_MASK
);
2040 last_o
= atoi(optarg
);
2042 case TCC_OPTION_print_search_dirs
:
2045 case TCC_OPTION_impdef
:
2051 arg_start
= optind
- 1;
2052 if (arg_start
!= noaction
)
2053 tcc_error("cannot parse %s here", r
);
2056 case TCC_OPTION_traditional
:
2057 case TCC_OPTION_pedantic
:
2058 case TCC_OPTION_pipe
:
2064 if (s
->warn_unsupported
)
2065 tcc_warning("unsupported option '%s'", r
);
2070 tcc_define_symbol(s
, "__OPTIMIZE__", NULL
);
2071 if (linker_arg
.size
) {
2072 r
= linker_arg
.data
;
2075 *pargc
= argc
- arg_start
;
2076 *pargv
= argv
+ arg_start
;
2079 if (optind
!= noaction
)
2081 if (s
->verbose
== 2)
2082 return OPT_PRINT_DIRS
;
2088 LIBTCCAPI
void tcc_set_options(TCCState
*s
, const char *r
)
2092 args_parser_make_argv(r
, &argc
, &argv
);
2093 tcc_parse_args(s
, &argc
, &argv
, 0);
2094 dynarray_reset(&argv
, &argc
);
2097 PUB_FUNC
void tcc_print_stats(TCCState
*s1
, unsigned total_time
)
2101 if (total_bytes
< 1)
2103 fprintf(stderr
, "* %d idents, %d lines, %d bytes\n"
2104 "* %0.3f s, %u lines/s, %0.1f MB/s\n",
2105 total_idents
, total_lines
, total_bytes
,
2106 (double)total_time
/1000,
2107 (unsigned)total_lines
*1000/total_time
,
2108 (double)total_bytes
/1000/total_time
);
2110 fprintf(stderr
, "* %d bytes memory used\n", mem_max_size
);