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);
459 cstr_ccat(&str
, '\0');
460 dynarray_add(p_ary
, p_nb_ary
, tcc_strdup(str
.data
));
467 /********************************************************/
469 static void strcat_vprintf(char *buf
, int buf_size
, const char *fmt
, va_list ap
)
473 vsnprintf(buf
+ len
, buf_size
- len
, fmt
, ap
);
476 static void strcat_printf(char *buf
, int buf_size
, const char *fmt
, ...)
480 strcat_vprintf(buf
, buf_size
, fmt
, ap
);
485 #define ERROR_NOABORT 1
486 #define ERROR_ERROR 2
488 PUB_FUNC
void tcc_enter_state(TCCState
*s1
)
494 static void error1(int mode
, const char *fmt
, va_list ap
)
497 BufferedFile
**pf
, *f
;
498 TCCState
*s1
= tcc_state
;
500 /* 's1->error_set_jmp_enabled' means that we're called from
501 within the parser/generator and 'tcc_state' was already
502 set (i.e. not by the function above).
504 Otherwise, 's1 = NULL' means we're called because of severe
505 problems from tcc_malloc() which under normal conditions
506 should never happen. */
508 if (s1
&& !s1
->error_set_jmp_enabled
) {
513 if (mode
== ERROR_WARN
) {
521 /* use upper file if inline ":asm:" or token ":paste:" */
522 for (f
= file
; f
&& f
->filename
[0] == ':'; f
= f
->prev
)
525 for(pf
= s1
->include_stack
; pf
< s1
->include_stack_ptr
; pf
++)
526 strcat_printf(buf
, sizeof(buf
), "In file included from %s:%d:\n",
527 (*pf
)->filename
, (*pf
)->line_num
);
528 if (s1
->error_set_jmp_enabled
) {
529 strcat_printf(buf
, sizeof(buf
), "%s:%d: ",
530 f
->filename
, f
->line_num
- !!(tok_flags
& TOK_FLAG_BOL
));
532 strcat_printf(buf
, sizeof(buf
), "%s: ",
536 strcat_printf(buf
, sizeof(buf
), "tcc: ");
538 if (mode
== ERROR_WARN
)
539 strcat_printf(buf
, sizeof(buf
), "warning: ");
541 strcat_printf(buf
, sizeof(buf
), "error: ");
542 strcat_vprintf(buf
, sizeof(buf
), fmt
, ap
);
543 if (!s1
|| !s1
->error_func
) {
544 /* default case: stderr */
545 if (s1
&& s1
->output_type
== TCC_OUTPUT_PREPROCESS
&& s1
->ppfp
== stdout
)
546 /* print a newline during tcc -E */
547 printf("\n"), fflush(stdout
);
548 fflush(stdout
); /* flush -v output */
549 fprintf(stderr
, "%s\n", buf
);
550 fflush(stderr
); /* print error/warning now (win32) */
552 s1
->error_func(s1
->error_opaque
, buf
);
555 if (mode
!= ERROR_WARN
)
557 if (mode
!= ERROR_ERROR
)
559 if (s1
->error_set_jmp_enabled
)
560 longjmp(s1
->error_jmp_buf
, 1);
565 LIBTCCAPI
void tcc_set_error_func(TCCState
*s
, void *error_opaque
, TCCErrorFunc error_func
)
567 s
->error_opaque
= error_opaque
;
568 s
->error_func
= error_func
;
571 LIBTCCAPI TCCErrorFunc
tcc_get_error_func(TCCState
*s
)
573 return s
->error_func
;
576 LIBTCCAPI
void *tcc_get_error_opaque(TCCState
*s
)
578 return s
->error_opaque
;
581 /* error without aborting current compilation */
582 PUB_FUNC
void _tcc_error_noabort(const char *fmt
, ...)
586 error1(ERROR_NOABORT
, fmt
, ap
);
590 PUB_FUNC
void _tcc_error(const char *fmt
, ...)
594 for (;;) error1(ERROR_ERROR
, fmt
, ap
);
597 PUB_FUNC
void _tcc_warning(const char *fmt
, ...)
601 error1(ERROR_WARN
, fmt
, ap
);
605 /********************************************************/
608 ST_FUNC
void tcc_open_bf(TCCState
*s1
, const char *filename
, int initlen
)
611 int buflen
= initlen
? initlen
: IO_BUF_SIZE
;
613 bf
= tcc_mallocz(sizeof(BufferedFile
) + buflen
);
614 bf
->buf_ptr
= bf
->buffer
;
615 bf
->buf_end
= bf
->buffer
+ initlen
;
616 bf
->buf_end
[0] = CH_EOB
; /* put eob symbol */
617 pstrcpy(bf
->filename
, sizeof(bf
->filename
), filename
);
619 normalize_slashes(bf
->filename
);
621 bf
->true_filename
= bf
->filename
;
623 bf
->ifdef_stack_ptr
= s1
->ifdef_stack_ptr
;
627 tok_flags
= TOK_FLAG_BOL
| TOK_FLAG_BOF
;
630 ST_FUNC
void tcc_close(void)
632 TCCState
*s1
= tcc_state
;
633 BufferedFile
*bf
= file
;
636 total_lines
+= bf
->line_num
;
638 if (bf
->true_filename
!= bf
->filename
)
639 tcc_free(bf
->true_filename
);
644 static int _tcc_open(TCCState
*s1
, const char *filename
)
647 if (strcmp(filename
, "-") == 0)
648 fd
= 0, filename
= "<stdin>";
650 fd
= open(filename
, O_RDONLY
| O_BINARY
);
651 if ((s1
->verbose
== 2 && fd
>= 0) || s1
->verbose
== 3)
652 printf("%s %*s%s\n", fd
< 0 ? "nf":"->",
653 (int)(s1
->include_stack_ptr
- s1
->include_stack
), "", filename
);
657 ST_FUNC
int tcc_open(TCCState
*s1
, const char *filename
)
659 int fd
= _tcc_open(s1
, filename
);
662 tcc_open_bf(s1
, filename
, 0);
667 /* compile the file opened in 'file'. Return non zero if errors. */
668 static int tcc_compile(TCCState
*s1
, int filetype
, const char *str
, int fd
)
670 /* Here we enter the code section where we use the global variables for
671 parsing and code generation (tccpp.c, tccgen.c, <target>-gen.c).
672 Other threads need to wait until we're done.
674 Alternatively we could use thread local storage for those global
675 variables, which may or may not have advantages */
680 if (setjmp(s1
->error_jmp_buf
) == 0) {
682 s1
->error_set_jmp_enabled
= 1;
686 int len
= strlen(str
);
687 tcc_open_bf(s1
, "<string>", len
);
688 memcpy(file
->buffer
, str
, len
);
690 tcc_open_bf(s1
, str
, 0);
694 is_asm
= !!(filetype
& (AFF_TYPE_ASM
|AFF_TYPE_ASMPP
));
695 tccelf_begin_file(s1
);
696 preprocess_start(s1
, is_asm
);
698 if (s1
->output_type
== TCC_OUTPUT_PREPROCESS
) {
701 #ifdef CONFIG_TCC_ASM
702 tcc_assemble(s1
, !!(filetype
& AFF_TYPE_ASMPP
));
704 tcc_error_noabort("asm not supported");
710 s1
->error_set_jmp_enabled
= 0;
717 return s1
->nb_errors
!= 0 ? -1 : 0;
720 LIBTCCAPI
int tcc_compile_string(TCCState
*s
, const char *str
)
722 return tcc_compile(s
, s
->filetype
, str
, -1);
725 /* define a preprocessor symbol. A value can also be provided with the '=' operator */
726 LIBTCCAPI
void tcc_define_symbol(TCCState
*s1
, const char *sym
, const char *value
)
730 cstr_printf(&s1
->cmdline_defs
, "#define %s %s\n", sym
, value
);
733 /* undefine a preprocessor symbol */
734 LIBTCCAPI
void tcc_undefine_symbol(TCCState
*s1
, const char *sym
)
736 cstr_printf(&s1
->cmdline_defs
, "#undef %s\n", sym
);
740 LIBTCCAPI TCCState
*tcc_new(void)
744 s
= tcc_mallocz(sizeof(TCCState
));
756 s
->dollars_in_identifiers
= 1; /*on by default like in gcc/clang*/
757 s
->cversion
= 199901; /* default unless -std=c11 is supplied */
758 s
->warn_implicit_function_declaration
= 1;
759 s
->ms_extensions
= 1;
761 #ifdef CHAR_IS_UNSIGNED
762 s
->char_is_unsigned
= 1;
764 #ifdef TCC_TARGET_I386
767 /* enable this if you want symbols with leading underscore on windows: */
768 #if 0 /* def TCC_TARGET_PE */
769 s
->leading_underscore
= 1;
771 #ifdef CONFIG_TCC_BACKTRACE
772 s
->rt_num_callers
= 6;
775 /* might be used in error() before preprocess_start() */
776 s
->include_stack_ptr
= s
->include_stack
;
781 tcc_set_lib_path_w32(s
);
783 tcc_set_lib_path(s
, CONFIG_TCCDIR
);
787 /* define __TINYC__ 92X */
788 char buffer
[32]; int a
,b
,c
;
789 sscanf(TCC_VERSION
, "%d.%d.%d", &a
, &b
, &c
);
790 sprintf(buffer
, "%d", a
*10000 + b
*100 + c
);
791 tcc_define_symbol(s
, "__TINYC__", buffer
);
794 /* standard defines */
795 tcc_define_symbol(s
, "__STDC__", NULL
);
796 tcc_define_symbol(s
, "__STDC_VERSION__", "199901L");
797 tcc_define_symbol(s
, "__STDC_HOSTED__", NULL
);
800 #if defined(TCC_TARGET_I386)
801 tcc_define_symbol(s
, "__i386__", NULL
);
802 tcc_define_symbol(s
, "__i386", NULL
);
803 tcc_define_symbol(s
, "i386", NULL
);
804 #elif defined(TCC_TARGET_X86_64)
805 tcc_define_symbol(s
, "__x86_64__", NULL
);
806 #elif defined(TCC_TARGET_ARM)
807 tcc_define_symbol(s
, "__ARM_ARCH_4__", NULL
);
808 tcc_define_symbol(s
, "__arm_elf__", NULL
);
809 tcc_define_symbol(s
, "__arm_elf", NULL
);
810 tcc_define_symbol(s
, "arm_elf", NULL
);
811 tcc_define_symbol(s
, "__arm__", NULL
);
812 tcc_define_symbol(s
, "__arm", NULL
);
813 tcc_define_symbol(s
, "arm", NULL
);
814 tcc_define_symbol(s
, "__APCS_32__", NULL
);
815 tcc_define_symbol(s
, "__ARMEL__", NULL
);
816 #if defined(TCC_ARM_EABI)
817 tcc_define_symbol(s
, "__ARM_EABI__", NULL
);
819 #if defined(TCC_ARM_HARDFLOAT)
820 s
->float_abi
= ARM_HARD_FLOAT
;
821 tcc_define_symbol(s
, "__ARM_PCS_VFP", NULL
);
823 s
->float_abi
= ARM_SOFTFP_FLOAT
;
825 #elif defined(TCC_TARGET_ARM64)
826 tcc_define_symbol(s
, "__aarch64__", NULL
);
827 #elif defined TCC_TARGET_C67
828 tcc_define_symbol(s
, "__C67__", NULL
);
829 #elif defined TCC_TARGET_RISCV64
830 tcc_define_symbol(s
, "__riscv", NULL
);
831 tcc_define_symbol(s
, "__riscv_xlen", "64");
832 tcc_define_symbol(s
, "__riscv_flen", "64");
833 tcc_define_symbol(s
, "__riscv_div", NULL
);
834 tcc_define_symbol(s
, "__riscv_mul", NULL
);
835 tcc_define_symbol(s
, "__riscv_fdiv", NULL
);
836 tcc_define_symbol(s
, "__riscv_fsqrt", NULL
);
837 tcc_define_symbol(s
, "__riscv_float_abi_double", NULL
);
841 tcc_define_symbol(s
, "_WIN32", NULL
);
842 # ifdef TCC_TARGET_X86_64
843 tcc_define_symbol(s
, "_WIN64", NULL
);
846 tcc_define_symbol(s
, "__unix__", NULL
);
847 tcc_define_symbol(s
, "__unix", NULL
);
848 tcc_define_symbol(s
, "unix", NULL
);
849 # if defined(__linux__)
850 tcc_define_symbol(s
, "__linux__", NULL
);
851 tcc_define_symbol(s
, "__linux", NULL
);
853 # if defined(__FreeBSD__)
854 tcc_define_symbol(s
, "__FreeBSD__", "__FreeBSD__");
855 /* No 'Thread Storage Local' on FreeBSD with tcc */
856 tcc_define_symbol(s
, "__NO_TLS", NULL
);
858 # if defined(__FreeBSD_kernel__)
859 tcc_define_symbol(s
, "__FreeBSD_kernel__", NULL
);
861 # if defined(__NetBSD__)
862 tcc_define_symbol(s
, "__NetBSD__", "__NetBSD__");
864 # if defined(__OpenBSD__)
865 tcc_define_symbol(s
, "__OpenBSD__", "__OpenBSD__");
869 /* TinyCC & gcc defines */
872 tcc_define_symbol(s
, "__SIZE_TYPE__", "unsigned int");
873 tcc_define_symbol(s
, "__PTRDIFF_TYPE__", "int");
874 tcc_define_symbol(s
, "__ILP32__", NULL
);
877 tcc_define_symbol(s
, "__SIZE_TYPE__", "unsigned long long");
878 tcc_define_symbol(s
, "__PTRDIFF_TYPE__", "long long");
879 tcc_define_symbol(s
, "__LLP64__", NULL
);
881 /* Other 64bit systems. */
882 tcc_define_symbol(s
, "__SIZE_TYPE__", "unsigned long");
883 tcc_define_symbol(s
, "__PTRDIFF_TYPE__", "long");
884 tcc_define_symbol(s
, "__LP64__", NULL
);
886 tcc_define_symbol(s
, "__SIZEOF_POINTER__", PTR_SIZE
== 4 ? "4" : "8");
889 tcc_define_symbol(s
, "__WCHAR_TYPE__", "unsigned short");
890 tcc_define_symbol(s
, "__WINT_TYPE__", "unsigned short");
892 tcc_define_symbol(s
, "__WCHAR_TYPE__", "int");
893 /* wint_t is unsigned int by default, but (signed) int on BSDs
894 and unsigned short on windows. Other OSes might have still
895 other conventions, sigh. */
896 # if defined(__FreeBSD__) || defined (__FreeBSD_kernel__) \
897 || defined(__NetBSD__) || defined(__OpenBSD__)
898 tcc_define_symbol(s
, "__WINT_TYPE__", "int");
900 /* define __GNUC__ to have some useful stuff from sys/cdefs.h
901 that are unconditionally used in FreeBSDs other system headers :/ */
902 tcc_define_symbol(s
, "__GNUC__", "2");
903 tcc_define_symbol(s
, "__GNUC_MINOR__", "7");
904 tcc_define_symbol(s
, "__builtin_alloca", "alloca");
907 tcc_define_symbol(s
, "__WINT_TYPE__", "unsigned int");
909 tcc_define_symbol(s
, "__REDIRECT(name, proto, alias)",
910 "name proto __asm__ (#alias)");
911 tcc_define_symbol(s
, "__REDIRECT_NTH(name, proto, alias)",
912 "name proto __asm__ (#alias) __THROW");
914 # if defined(TCC_MUSL)
915 tcc_define_symbol(s
, "__DEFINED_va_list", "");
916 tcc_define_symbol(s
, "__DEFINED___isoc_va_list", "");
917 tcc_define_symbol(s
, "__isoc_va_list", "void *");
918 # endif /* TCC_MUSL */
919 /* Some GCC builtins that are simple to express as macros. */
920 tcc_define_symbol(s
, "__builtin_extract_return_addr(x)", "x");
921 #endif /* ndef TCC_TARGET_PE */
925 LIBTCCAPI
void tcc_delete(TCCState
*s1
)
930 /* free library paths */
931 dynarray_reset(&s1
->library_paths
, &s1
->nb_library_paths
);
932 dynarray_reset(&s1
->crt_paths
, &s1
->nb_crt_paths
);
934 /* free include paths */
935 dynarray_reset(&s1
->include_paths
, &s1
->nb_include_paths
);
936 dynarray_reset(&s1
->sysinclude_paths
, &s1
->nb_sysinclude_paths
);
938 tcc_free(s1
->tcc_lib_path
);
939 tcc_free(s1
->soname
);
941 tcc_free(s1
->init_symbol
);
942 tcc_free(s1
->fini_symbol
);
943 tcc_free(s1
->outfile
);
944 tcc_free(s1
->deps_outfile
);
945 dynarray_reset(&s1
->files
, &s1
->nb_files
);
946 dynarray_reset(&s1
->target_deps
, &s1
->nb_target_deps
);
947 dynarray_reset(&s1
->pragma_libs
, &s1
->nb_pragma_libs
);
948 dynarray_reset(&s1
->argv
, &s1
->argc
);
950 cstr_free(&s1
->cmdline_defs
);
951 cstr_free(&s1
->cmdline_incl
);
953 /* free runtime memory */
959 if (0 == --nb_states
)
964 LIBTCCAPI
int tcc_set_output_type(TCCState
*s
, int output_type
)
966 s
->output_type
= output_type
;
968 /* always elf for objects */
969 if (output_type
== TCC_OUTPUT_OBJ
)
970 s
->output_format
= TCC_OUTPUT_FORMAT_ELF
;
972 if (s
->char_is_unsigned
)
973 tcc_define_symbol(s
, "__CHAR_UNSIGNED__", NULL
);
976 /* default include paths */
977 /* -isystem paths have already been handled */
978 tcc_add_sysinclude_path(s
, CONFIG_TCC_SYSINCLUDEPATHS
);
981 #ifdef CONFIG_TCC_BCHECK
982 if (s
->do_bounds_check
) {
983 /* if bound checking, then add corresponding sections */
984 tccelf_bounds_new(s
);
986 tcc_define_symbol(s
, "__BOUNDS_CHECKING_ON", NULL
);
990 /* add debug sections */
994 tcc_add_library_path(s
, CONFIG_TCC_LIBPATHS
);
998 if (!s
->nostdlib
&& output_type
!= TCC_OUTPUT_OBJ
)
999 tcc_add_systemdir(s
);
1002 /* paths for crt objects */
1003 tcc_split_path(s
, &s
->crt_paths
, &s
->nb_crt_paths
, CONFIG_TCC_CRTPREFIX
);
1004 /* add libc crt1/crti objects */
1005 if ((output_type
== TCC_OUTPUT_EXE
|| output_type
== TCC_OUTPUT_DLL
) &&
1007 if (output_type
!= TCC_OUTPUT_DLL
)
1008 tcc_add_crt(s
, "crt1.o");
1009 tcc_add_crt(s
, "crti.o");
1015 LIBTCCAPI
int tcc_add_include_path(TCCState
*s
, const char *pathname
)
1017 tcc_split_path(s
, &s
->include_paths
, &s
->nb_include_paths
, pathname
);
1021 LIBTCCAPI
int tcc_add_sysinclude_path(TCCState
*s
, const char *pathname
)
1023 tcc_split_path(s
, &s
->sysinclude_paths
, &s
->nb_sysinclude_paths
, pathname
);
1027 ST_FUNC
int tcc_add_file_internal(TCCState
*s1
, const char *filename
, int flags
)
1032 fd
= _tcc_open(s1
, filename
);
1034 if (flags
& AFF_PRINT_ERROR
)
1035 tcc_error_noabort("file '%s' not found", filename
);
1039 /* update target deps */
1040 dynarray_add(&s1
->target_deps
, &s1
->nb_target_deps
,
1041 tcc_strdup(filename
));
1043 if (flags
& AFF_TYPE_BIN
) {
1047 obj_type
= tcc_object_type(fd
, &ehdr
);
1048 lseek(fd
, 0, SEEK_SET
);
1050 #ifdef TCC_TARGET_MACHO
1051 if (0 == obj_type
&& 0 == strcmp(tcc_fileextension(filename
), ".dylib"))
1052 obj_type
= AFF_BINTYPE_DYN
;
1056 case AFF_BINTYPE_REL
:
1057 ret
= tcc_load_object_file(s1
, fd
, 0);
1059 #ifndef TCC_TARGET_PE
1060 case AFF_BINTYPE_DYN
:
1061 if (s1
->output_type
== TCC_OUTPUT_MEMORY
) {
1063 #ifdef TCC_IS_NATIVE
1064 if (NULL
== dlopen(filename
, RTLD_GLOBAL
| RTLD_LAZY
))
1068 ret
= tcc_load_dll(s1
, fd
, filename
,
1069 (flags
& AFF_REFERENCED_DLL
) != 0);
1073 case AFF_BINTYPE_AR
:
1074 ret
= tcc_load_archive(s1
, fd
, !(flags
& AFF_WHOLE_ARCHIVE
));
1076 #ifdef TCC_TARGET_COFF
1077 case AFF_BINTYPE_C67
:
1078 ret
= tcc_load_coff(s1
, fd
);
1082 #ifdef TCC_TARGET_PE
1083 ret
= pe_load_file(s1
, filename
, fd
);
1085 /* as GNU ld, consider it is an ld script if not recognized */
1086 ret
= tcc_load_ldscript(s1
, fd
);
1089 tcc_error_noabort("unrecognized file type");
1094 ret
= tcc_compile(s1
, flags
, filename
, fd
);
1099 LIBTCCAPI
int tcc_add_file(TCCState
*s
, const char *filename
)
1101 int filetype
= s
->filetype
;
1102 if (0 == (filetype
& AFF_TYPE_MASK
)) {
1103 /* use a file extension to detect a filetype */
1104 const char *ext
= tcc_fileextension(filename
);
1107 if (!strcmp(ext
, "S"))
1108 filetype
= AFF_TYPE_ASMPP
;
1109 else if (!strcmp(ext
, "s"))
1110 filetype
= AFF_TYPE_ASM
;
1111 else if (!PATHCMP(ext
, "c") || !PATHCMP(ext
, "i"))
1112 filetype
= AFF_TYPE_C
;
1114 filetype
|= AFF_TYPE_BIN
;
1116 filetype
= AFF_TYPE_C
;
1119 return tcc_add_file_internal(s
, filename
, filetype
| AFF_PRINT_ERROR
);
1122 LIBTCCAPI
int tcc_add_library_path(TCCState
*s
, const char *pathname
)
1124 tcc_split_path(s
, &s
->library_paths
, &s
->nb_library_paths
, pathname
);
1128 static int tcc_add_library_internal(TCCState
*s
, const char *fmt
,
1129 const char *filename
, int flags
, char **paths
, int nb_paths
)
1134 for(i
= 0; i
< nb_paths
; i
++) {
1135 snprintf(buf
, sizeof(buf
), fmt
, paths
[i
], filename
);
1136 if (tcc_add_file_internal(s
, buf
, flags
| AFF_TYPE_BIN
) == 0)
1142 /* find and load a dll. Return non zero if not found */
1143 /* XXX: add '-rpath' option support ? */
1144 ST_FUNC
int tcc_add_dll(TCCState
*s
, const char *filename
, int flags
)
1146 return tcc_add_library_internal(s
, "%s/%s", filename
, flags
,
1147 s
->library_paths
, s
->nb_library_paths
);
1150 #ifndef TCC_TARGET_PE
1151 ST_FUNC
int tcc_add_crt(TCCState
*s1
, const char *filename
)
1153 if (-1 == tcc_add_library_internal(s1
, "%s/%s",
1154 filename
, 0, s1
->crt_paths
, s1
->nb_crt_paths
))
1155 tcc_error_noabort("file '%s' not found", filename
);
1160 /* the library name is the same as the argument of the '-l' option */
1161 LIBTCCAPI
int tcc_add_library(TCCState
*s
, const char *libraryname
)
1163 #if defined TCC_TARGET_PE
1164 const char *libs
[] = { "%s/%s.def", "%s/lib%s.def", "%s/%s.dll", "%s/lib%s.dll", "%s/lib%s.a", NULL
};
1165 const char **pp
= s
->static_link
? libs
+ 4 : libs
;
1166 #elif defined TCC_TARGET_MACHO
1167 const char *libs
[] = { "%s/lib%s.dylib", "%s/lib%s.a", NULL
};
1168 const char **pp
= s
->static_link
? libs
+ 1 : libs
;
1170 const char *libs
[] = { "%s/lib%s.so", "%s/lib%s.a", NULL
};
1171 const char **pp
= s
->static_link
? libs
+ 1 : libs
;
1173 int flags
= s
->filetype
& AFF_WHOLE_ARCHIVE
;
1175 if (0 == tcc_add_library_internal(s
, *pp
,
1176 libraryname
, flags
, s
->library_paths
, s
->nb_library_paths
))
1183 PUB_FUNC
int tcc_add_library_err(TCCState
*s1
, const char *libname
)
1185 int ret
= tcc_add_library(s1
, libname
);
1187 tcc_error_noabort("library '%s' not found", libname
);
1191 /* handle #pragma comment(lib,) */
1192 ST_FUNC
void tcc_add_pragma_libs(TCCState
*s1
)
1195 for (i
= 0; i
< s1
->nb_pragma_libs
; i
++)
1196 tcc_add_library_err(s1
, s1
->pragma_libs
[i
]);
1199 LIBTCCAPI
int tcc_add_symbol(TCCState
*s1
, const char *name
, const void *val
)
1201 #ifdef TCC_TARGET_PE
1202 /* On x86_64 'val' might not be reachable with a 32bit offset.
1203 So it is handled here as if it were in a DLL. */
1204 pe_putimport(s1
, 0, name
, (uintptr_t)val
);
1206 set_elf_sym(symtab_section
, (uintptr_t)val
, 0,
1207 ELFW(ST_INFO
)(STB_GLOBAL
, STT_NOTYPE
), 0,
1213 LIBTCCAPI
void tcc_set_lib_path(TCCState
*s
, const char *path
)
1215 tcc_free(s
->tcc_lib_path
);
1216 s
->tcc_lib_path
= tcc_strdup(path
);
1219 #define WD_ALL 0x0001 /* warning is activated when using -Wall */
1220 #define FD_INVERT 0x0002 /* invert value before storing */
1222 typedef struct FlagDef
{
1228 static int no_flag(const char **pp
)
1230 const char *p
= *pp
;
1231 if (*p
!= 'n' || *++p
!= 'o' || *++p
!= '-')
1237 ST_FUNC
int set_flag(TCCState
*s
, const FlagDef
*flags
, const char *name
)
1248 for (ret
= -1, p
= flags
; p
->name
; ++p
) {
1250 if (strcmp(r
, p
->name
))
1253 if (0 == (p
->flags
& WD_ALL
))
1257 *((unsigned char *)s
+ p
->offset
) =
1258 p
->flags
& FD_INVERT
? !value
: value
;
1268 static int strstart(const char *val
, const char **str
)
1283 /* Like strstart, but automatically takes into account that ld options can
1285 * - start with double or single dash (e.g. '--soname' or '-soname')
1286 * - arguments can be given as separate or after '=' (e.g. '-Wl,-soname,x.so'
1287 * or '-Wl,-soname=x.so')
1289 * you provide `val` always in 'option[=]' form (no leading -)
1291 static int link_option(const char *str
, const char *val
, const char **ptr
)
1296 /* there should be 1 or 2 dashes */
1302 /* then str & val should match (potentially up to '=') */
1313 while (*q
!= '\0' && *q
!= '=') {
1320 /* '=' near eos means ',' or '=' is ok */
1324 if (*p
!= ',' && *p
!= '=')
1334 static const char *skip_linker_arg(const char **str
)
1336 const char *s1
= *str
;
1337 const char *s2
= strchr(s1
, ',');
1338 *str
= s2
? s2
++ : (s2
= s1
+ strlen(s1
));
1342 static void copy_linker_arg(char **pp
, const char *s
, int sep
)
1348 p
[l
= strlen(p
)] = sep
, ++l
;
1349 skip_linker_arg(&q
);
1350 pstrncpy(l
+ (*pp
= tcc_realloc(p
, q
- s
+ l
+ 1)), s
, q
- s
);
1353 /* set linker options */
1354 static int tcc_set_linker(TCCState
*s
, const char *option
)
1359 const char *p
= NULL
;
1364 if (link_option(option
, "Bsymbolic", &p
)) {
1366 } else if (link_option(option
, "nostdlib", &p
)) {
1368 } else if (link_option(option
, "fini=", &p
)) {
1369 copy_linker_arg(&s
->fini_symbol
, p
, 0);
1371 } else if (link_option(option
, "image-base=", &p
)
1372 || link_option(option
, "Ttext=", &p
)) {
1373 s
->text_addr
= strtoull(p
, &end
, 16);
1374 s
->has_text_addr
= 1;
1375 } else if (link_option(option
, "init=", &p
)) {
1376 copy_linker_arg(&s
->init_symbol
, p
, 0);
1378 } else if (link_option(option
, "oformat=", &p
)) {
1379 #if defined(TCC_TARGET_PE)
1380 if (strstart("pe-", &p
)) {
1382 if (strstart("elf64-", &p
)) {
1384 if (strstart("elf32-", &p
)) {
1386 s
->output_format
= TCC_OUTPUT_FORMAT_ELF
;
1387 } else if (!strcmp(p
, "binary")) {
1388 s
->output_format
= TCC_OUTPUT_FORMAT_BINARY
;
1389 #ifdef TCC_TARGET_COFF
1390 } else if (!strcmp(p
, "coff")) {
1391 s
->output_format
= TCC_OUTPUT_FORMAT_COFF
;
1396 } else if (link_option(option
, "as-needed", &p
)) {
1398 } else if (link_option(option
, "O", &p
)) {
1400 } else if (link_option(option
, "export-all-symbols", &p
)) {
1402 } else if (link_option(option
, "export-dynamic", &p
)) {
1404 } else if (link_option(option
, "rpath=", &p
)) {
1405 copy_linker_arg(&s
->rpath
, p
, ':');
1406 } else if (link_option(option
, "enable-new-dtags", &p
)) {
1407 s
->enable_new_dtags
= 1;
1408 } else if (link_option(option
, "section-alignment=", &p
)) {
1409 s
->section_align
= strtoul(p
, &end
, 16);
1410 } else if (link_option(option
, "soname=", &p
)) {
1411 copy_linker_arg(&s
->soname
, p
, 0);
1412 #ifdef TCC_TARGET_PE
1413 } else if (link_option(option
, "large-address-aware", &p
)) {
1414 s
->pe_characteristics
|= 0x20;
1415 } else if (link_option(option
, "file-alignment=", &p
)) {
1416 s
->pe_file_align
= strtoul(p
, &end
, 16);
1417 } else if (link_option(option
, "stack=", &p
)) {
1418 s
->pe_stack_size
= strtoul(p
, &end
, 10);
1419 } else if (link_option(option
, "subsystem=", &p
)) {
1420 #if defined(TCC_TARGET_I386) || defined(TCC_TARGET_X86_64)
1421 if (!strcmp(p
, "native")) {
1422 s
->pe_subsystem
= 1;
1423 } else if (!strcmp(p
, "console")) {
1424 s
->pe_subsystem
= 3;
1425 } else if (!strcmp(p
, "gui") || !strcmp(p
, "windows")) {
1426 s
->pe_subsystem
= 2;
1427 } else if (!strcmp(p
, "posix")) {
1428 s
->pe_subsystem
= 7;
1429 } else if (!strcmp(p
, "efiapp")) {
1430 s
->pe_subsystem
= 10;
1431 } else if (!strcmp(p
, "efiboot")) {
1432 s
->pe_subsystem
= 11;
1433 } else if (!strcmp(p
, "efiruntime")) {
1434 s
->pe_subsystem
= 12;
1435 } else if (!strcmp(p
, "efirom")) {
1436 s
->pe_subsystem
= 13;
1437 #elif defined(TCC_TARGET_ARM)
1438 if (!strcmp(p
, "wince")) {
1439 s
->pe_subsystem
= 9;
1444 } else if (ret
= link_option(option
, "?whole-archive", &p
), ret
) {
1446 s
->filetype
|= AFF_WHOLE_ARCHIVE
;
1448 s
->filetype
&= ~AFF_WHOLE_ARCHIVE
;
1453 tcc_error("unsupported linker option '%s'", option
);
1456 if (ignoring
&& s
->warn_unsupported
)
1457 tcc_warning("unsupported linker option '%s'", option
);
1459 option
= skip_linker_arg(&p
);
1464 typedef struct TCCOption
{
1487 TCC_OPTION_dumpversion
,
1496 TCC_OPTION_traditional
,
1501 TCC_OPTION_mfloat_abi
,
1505 TCC_OPTION_iwithprefix
,
1507 TCC_OPTION_nostdinc
,
1508 TCC_OPTION_nostdlib
,
1509 TCC_OPTION_print_search_dirs
,
1510 TCC_OPTION_rdynamic
,
1512 TCC_OPTION_pedantic
,
1525 #define TCC_OPTION_HAS_ARG 0x0001
1526 #define TCC_OPTION_NOSEP 0x0002 /* cannot have space before option and arg */
1528 static const TCCOption tcc_options
[] = {
1529 { "h", TCC_OPTION_HELP
, 0 },
1530 { "-help", TCC_OPTION_HELP
, 0 },
1531 { "?", TCC_OPTION_HELP
, 0 },
1532 { "hh", TCC_OPTION_HELP2
, 0 },
1533 { "v", TCC_OPTION_v
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1534 { "I", TCC_OPTION_I
, TCC_OPTION_HAS_ARG
},
1535 { "D", TCC_OPTION_D
, TCC_OPTION_HAS_ARG
},
1536 { "U", TCC_OPTION_U
, TCC_OPTION_HAS_ARG
},
1537 { "P", TCC_OPTION_P
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1538 { "L", TCC_OPTION_L
, TCC_OPTION_HAS_ARG
},
1539 { "B", TCC_OPTION_B
, TCC_OPTION_HAS_ARG
},
1540 { "l", TCC_OPTION_l
, TCC_OPTION_HAS_ARG
},
1541 { "bench", TCC_OPTION_bench
, 0 },
1542 #ifdef CONFIG_TCC_BACKTRACE
1543 { "bt", TCC_OPTION_bt
, TCC_OPTION_HAS_ARG
},
1545 #ifdef CONFIG_TCC_BCHECK
1546 { "b", TCC_OPTION_b
, 0 },
1548 { "g", TCC_OPTION_g
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1549 { "c", TCC_OPTION_c
, 0 },
1550 { "dumpversion", TCC_OPTION_dumpversion
, 0},
1551 { "d", TCC_OPTION_d
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1552 { "static", TCC_OPTION_static
, 0 },
1553 { "std", TCC_OPTION_std
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1554 { "shared", TCC_OPTION_shared
, 0 },
1555 { "soname", TCC_OPTION_soname
, TCC_OPTION_HAS_ARG
},
1556 { "o", TCC_OPTION_o
, TCC_OPTION_HAS_ARG
},
1557 { "-param", TCC_OPTION_param
, TCC_OPTION_HAS_ARG
},
1558 { "pedantic", TCC_OPTION_pedantic
, 0},
1559 { "pthread", TCC_OPTION_pthread
, 0},
1560 { "run", TCC_OPTION_run
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1561 { "rdynamic", TCC_OPTION_rdynamic
, 0 },
1562 { "r", TCC_OPTION_r
, 0 },
1563 { "s", TCC_OPTION_s
, 0 },
1564 { "traditional", TCC_OPTION_traditional
, 0 },
1565 { "Wl,", TCC_OPTION_Wl
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1566 { "Wp,", TCC_OPTION_Wp
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1567 { "W", TCC_OPTION_W
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1568 { "O", TCC_OPTION_O
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1569 #ifdef TCC_TARGET_ARM
1570 { "mfloat-abi", TCC_OPTION_mfloat_abi
, TCC_OPTION_HAS_ARG
},
1572 { "m", TCC_OPTION_m
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1573 { "f", TCC_OPTION_f
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1574 { "isystem", TCC_OPTION_isystem
, TCC_OPTION_HAS_ARG
},
1575 { "include", TCC_OPTION_include
, TCC_OPTION_HAS_ARG
},
1576 { "nostdinc", TCC_OPTION_nostdinc
, 0 },
1577 { "nostdlib", TCC_OPTION_nostdlib
, 0 },
1578 { "print-search-dirs", TCC_OPTION_print_search_dirs
, 0 },
1579 { "w", TCC_OPTION_w
, 0 },
1580 { "pipe", TCC_OPTION_pipe
, 0},
1581 { "E", TCC_OPTION_E
, 0},
1582 { "MD", TCC_OPTION_MD
, 0},
1583 { "MF", TCC_OPTION_MF
, TCC_OPTION_HAS_ARG
},
1584 { "x", TCC_OPTION_x
, TCC_OPTION_HAS_ARG
},
1585 { "ar", TCC_OPTION_ar
, 0},
1586 #ifdef TCC_TARGET_PE
1587 { "impdef", TCC_OPTION_impdef
, 0},
1592 static const FlagDef options_W
[] = {
1594 { offsetof(TCCState
, warn_unsupported
), 0, "unsupported" },
1595 { offsetof(TCCState
, warn_write_strings
), 0, "write-strings" },
1596 { offsetof(TCCState
, warn_error
), 0, "error" },
1597 { offsetof(TCCState
, warn_gcc_compat
), 0, "gcc-compat" },
1598 { offsetof(TCCState
, warn_implicit_function_declaration
), WD_ALL
,
1599 "implicit-function-declaration" },
1603 static const FlagDef options_f
[] = {
1604 { offsetof(TCCState
, char_is_unsigned
), 0, "unsigned-char" },
1605 { offsetof(TCCState
, char_is_unsigned
), FD_INVERT
, "signed-char" },
1606 { offsetof(TCCState
, nocommon
), FD_INVERT
, "common" },
1607 { offsetof(TCCState
, leading_underscore
), 0, "leading-underscore" },
1608 { offsetof(TCCState
, ms_extensions
), 0, "ms-extensions" },
1609 { offsetof(TCCState
, dollars_in_identifiers
), 0, "dollars-in-identifiers" },
1613 static const FlagDef options_m
[] = {
1614 { offsetof(TCCState
, ms_bitfields
), 0, "ms-bitfields" },
1615 #ifdef TCC_TARGET_X86_64
1616 { offsetof(TCCState
, nosse
), FD_INVERT
, "sse" },
1621 static void parse_option_D(TCCState
*s1
, const char *optarg
)
1623 char *sym
= tcc_strdup(optarg
);
1624 char *value
= strchr(sym
, '=');
1627 tcc_define_symbol(s1
, sym
, value
);
1631 static void args_parser_add_file(TCCState
*s
, const char* filename
, int filetype
)
1633 struct filespec
*f
= tcc_malloc(sizeof *f
+ strlen(filename
));
1635 strcpy(f
->name
, filename
);
1636 dynarray_add(&s
->files
, &s
->nb_files
, f
);
1639 static int args_parser_make_argv(const char *r
, int *argc
, char ***argv
)
1644 while (c
= (unsigned char)*r
, c
&& c
<= ' ')
1650 while (c
= (unsigned char)*r
, c
) {
1652 if (c
== '\\' && (*r
== '"' || *r
== '\\')) {
1654 } else if (c
== '"') {
1657 } else if (q
== 0 && c
<= ' ') {
1663 //printf("<%s>\n", str.data), fflush(stdout);
1664 dynarray_add(argv
, argc
, tcc_strdup(str
.data
));
1671 /* read list file */
1672 static void args_parser_listfile(TCCState
*s
,
1673 const char *filename
, int optind
, int *pargc
, char ***pargv
)
1682 fd
= open(filename
, O_RDONLY
| O_BINARY
);
1684 tcc_error("listfile '%s' not found", filename
);
1686 len
= lseek(fd
, 0, SEEK_END
);
1687 p
= tcc_malloc(len
+ 1), p
[len
] = 0;
1688 lseek(fd
, 0, SEEK_SET
), read(fd
, p
, len
), close(fd
);
1690 for (i
= 0; i
< *pargc
; ++i
)
1692 args_parser_make_argv(p
, &argc
, &argv
);
1694 dynarray_add(&argv
, &argc
, tcc_strdup((*pargv
)[i
]));
1697 dynarray_reset(&s
->argv
, &s
->argc
);
1698 *pargc
= s
->argc
= argc
, *pargv
= s
->argv
= argv
;
1701 PUB_FUNC
int tcc_parse_args(TCCState
*s
, int *pargc
, char ***pargv
, int optind
)
1704 const TCCOption
*popt
;
1705 const char *optarg
, *r
;
1706 const char *run
= NULL
;
1709 CString linker_arg
; /* collect -Wl options */
1710 int tool
= 0, arg_start
= 0, noaction
= optind
;
1711 char **argv
= *pargv
;
1714 cstr_new(&linker_arg
);
1716 while (optind
< argc
) {
1718 if (r
[0] == '@' && r
[1] != '\0') {
1719 args_parser_listfile(s
, r
+ 1, optind
, &argc
, &argv
);
1724 if (r
[0] == '-' && r
[1] == 'v' && r
[2] == 0)
1729 if (r
[0] != '-' || r
[1] == '\0') {
1730 if (r
[0] != '@') /* allow "tcc file(s) -run @ args ..." */
1731 args_parser_add_file(s
, r
, s
->filetype
);
1733 tcc_set_options(s
, run
);
1734 arg_start
= optind
- 1;
1740 /* find option in table */
1741 for(popt
= tcc_options
; ; ++popt
) {
1742 const char *p1
= popt
->name
;
1743 const char *r1
= r
+ 1;
1745 tcc_error("invalid option -- '%s'", r
);
1746 if (!strstart(p1
, &r1
))
1749 if (popt
->flags
& TCC_OPTION_HAS_ARG
) {
1750 if (*r1
== '\0' && !(popt
->flags
& TCC_OPTION_NOSEP
)) {
1753 tcc_error("argument to '%s' is missing", r
);
1754 optarg
= argv
[optind
++];
1756 } else if (*r1
!= '\0')
1761 switch(popt
->index
) {
1762 case TCC_OPTION_HELP
:
1764 case TCC_OPTION_HELP2
:
1767 tcc_add_include_path(s
, optarg
);
1770 parse_option_D(s
, optarg
);
1773 tcc_undefine_symbol(s
, optarg
);
1776 tcc_add_library_path(s
, optarg
);
1779 /* set tcc utilities path (mainly for tcc development) */
1780 tcc_set_lib_path(s
, optarg
);
1783 args_parser_add_file(s
, optarg
, AFF_TYPE_LIB
| (s
->filetype
& ~AFF_TYPE_MASK
));
1786 case TCC_OPTION_pthread
:
1787 parse_option_D(s
, "_REENTRANT");
1788 s
->option_pthread
= 1;
1790 case TCC_OPTION_bench
:
1793 #ifdef CONFIG_TCC_BACKTRACE
1795 s
->rt_num_callers
= atoi(optarg
);
1798 #ifdef CONFIG_TCC_BCHECK
1800 s
->do_bounds_check
= 1;
1811 tcc_warning("-%s: overriding compiler action already specified", popt
->name
);
1817 else if (*optarg
== 'M')
1819 else if (*optarg
== 't')
1821 else if (isnum(*optarg
))
1822 s
->g_debug
|= atoi(optarg
);
1824 goto unsupported_option
;
1826 case TCC_OPTION_static
:
1829 case TCC_OPTION_std
:
1830 if (*optarg
== '=') {
1831 if (strcmp(optarg
, "=c11") == 0) {
1832 tcc_undefine_symbol(s
, "__STDC_VERSION__");
1833 tcc_define_symbol(s
, "__STDC_VERSION__", "201112L");
1835 * The integer constant 1, intended to indicate
1836 * that the implementation does not support atomic
1837 * types (including the _Atomic type qualifier) and
1838 * the <stdatomic.h> header.
1840 tcc_define_symbol(s
, "__STDC_NO_ATOMICS__", "1");
1842 * The integer constant 1, intended to indicate
1843 * that the implementation does not support complex
1844 * types or the <complex.h> header.
1846 tcc_define_symbol(s
, "__STDC_NO_COMPLEX__", "1");
1848 * The integer constant 1, intended to indicate
1849 * that the implementation does not support the
1850 * <threads.h> header.
1852 tcc_define_symbol(s
, "__STDC_NO_THREADS__", "1");
1854 * __STDC_NO_VLA__, tcc supports VLA.
1855 * The integer constant 1, intended to indicate
1856 * that the implementation does not support
1857 * variable length arrays or variably modified
1860 #if !defined(TCC_TARGET_PE)
1862 * An integer constant of the form yyyymmL (for
1863 * example, 199712L). If this symbol is defined,
1864 * then every character in the Unicode required
1865 * set, when stored in an object of type
1866 * wchar_t, has the same value as the short
1867 * identifier of that character.
1870 /* on Linux, this conflicts with a define introduced by
1871 * /usr/include/stdc-predef.h included by glibc libs;
1872 * clang doesn't define it at all so it's probably not necessary
1874 tcc_define_symbol(s
, "__STDC_ISO_10646__", "201605L");
1877 * The integer constant 1, intended to indicate
1878 * that values of type char16_t are UTF−16
1879 * encoded. If some other encoding is used, the
1880 * macro shall not be defined and the actual
1881 * encoding used is implementation defined.
1883 tcc_define_symbol(s
, "__STDC_UTF_16__", "1");
1885 * The integer constant 1, intended to indicate
1886 * that values of type char32_t are UTF−32
1887 * encoded. If some other encoding is used, the
1888 * macro shall not be defined and the actual
1889 * encoding used is implementationdefined.
1891 tcc_define_symbol(s
, "__STDC_UTF_32__", "1");
1892 #endif /* !TCC_TARGET_PE */
1893 s
->cversion
= 201112;
1897 * silently ignore other values, a current purpose:
1898 * allow to use a tcc as a reference compiler for "make test"
1901 case TCC_OPTION_shared
:
1903 goto set_output_type
;
1904 case TCC_OPTION_soname
:
1905 s
->soname
= tcc_strdup(optarg
);
1909 tcc_warning("multiple -o option");
1910 tcc_free(s
->outfile
);
1912 s
->outfile
= tcc_strdup(optarg
);
1915 /* generate a .o merging several output files */
1918 goto set_output_type
;
1919 case TCC_OPTION_isystem
:
1920 tcc_add_sysinclude_path(s
, optarg
);
1922 case TCC_OPTION_include
:
1923 cstr_printf(&s
->cmdline_incl
, "#include \"%s\"\n", optarg
);
1925 case TCC_OPTION_nostdinc
:
1928 case TCC_OPTION_nostdlib
:
1931 case TCC_OPTION_run
:
1932 #ifndef TCC_IS_NATIVE
1933 tcc_error("-run is not available in a cross compiler");
1936 x
= TCC_OUTPUT_MEMORY
;
1937 goto set_output_type
;
1939 do ++s
->verbose
; while (*optarg
++ == 'v');
1943 if (set_flag(s
, options_f
, optarg
) < 0)
1944 goto unsupported_option
;
1946 #ifdef TCC_TARGET_ARM
1947 case TCC_OPTION_mfloat_abi
:
1948 /* tcc doesn't support soft float yet */
1949 if (!strcmp(optarg
, "softfp")) {
1950 s
->float_abi
= ARM_SOFTFP_FLOAT
;
1951 tcc_undefine_symbol(s
, "__ARM_PCS_VFP");
1952 } else if (!strcmp(optarg
, "hard"))
1953 s
->float_abi
= ARM_HARD_FLOAT
;
1955 tcc_error("unsupported float abi '%s'", optarg
);
1959 if (set_flag(s
, options_m
, optarg
) < 0) {
1960 if (x
= atoi(optarg
), x
!= 32 && x
!= 64)
1961 goto unsupported_option
;
1962 if (PTR_SIZE
!= x
/8)
1969 if (optarg
[0] && set_flag(s
, options_W
, optarg
) < 0)
1970 goto unsupported_option
;
1975 case TCC_OPTION_rdynamic
:
1979 if (linker_arg
.size
)
1980 --linker_arg
.size
, cstr_ccat(&linker_arg
, ',');
1981 cstr_cat(&linker_arg
, optarg
, 0);
1982 if (tcc_set_linker(s
, linker_arg
.data
))
1983 cstr_free(&linker_arg
);
1989 x
= TCC_OUTPUT_PREPROCESS
;
1990 goto set_output_type
;
1992 s
->Pflag
= atoi(optarg
) + 1;
1998 s
->deps_outfile
= tcc_strdup(optarg
);
2000 case TCC_OPTION_dumpversion
:
2001 printf ("%s\n", TCC_VERSION
);
2008 else if (*optarg
== 'a')
2010 else if (*optarg
== 'b')
2012 else if (*optarg
== 'n')
2015 tcc_warning("unsupported language '%s'", optarg
);
2016 s
->filetype
= x
| (s
->filetype
& ~AFF_TYPE_MASK
);
2019 last_o
= atoi(optarg
);
2021 case TCC_OPTION_print_search_dirs
:
2024 case TCC_OPTION_impdef
:
2030 arg_start
= optind
- 1;
2031 if (arg_start
!= noaction
)
2032 tcc_error("cannot parse %s here", r
);
2035 case TCC_OPTION_traditional
:
2036 case TCC_OPTION_pedantic
:
2037 case TCC_OPTION_pipe
:
2043 if (s
->warn_unsupported
)
2044 tcc_warning("unsupported option '%s'", r
);
2049 tcc_define_symbol(s
, "__OPTIMIZE__", NULL
);
2050 if (linker_arg
.size
) {
2051 r
= linker_arg
.data
;
2054 *pargc
= argc
- arg_start
;
2055 *pargv
= argv
+ arg_start
;
2058 if (optind
!= noaction
)
2060 if (s
->verbose
== 2)
2061 return OPT_PRINT_DIRS
;
2067 LIBTCCAPI
void tcc_set_options(TCCState
*s
, const char *r
)
2071 args_parser_make_argv(r
, &argc
, &argv
);
2072 tcc_parse_args(s
, &argc
, &argv
, 0);
2073 dynarray_reset(&argv
, &argc
);
2076 PUB_FUNC
void tcc_print_stats(TCCState
*s1
, unsigned total_time
)
2080 if (total_bytes
< 1)
2082 fprintf(stderr
, "* %d idents, %d lines, %d bytes\n"
2083 "* %0.3f s, %u lines/s, %0.1f MB/s\n",
2084 total_idents
, total_lines
, total_bytes
,
2085 (double)total_time
/1000,
2086 (unsigned)total_lines
*1000/total_time
,
2087 (double)total_bytes
/1000/total_time
);
2089 fprintf(stderr
, "* %d bytes memory used\n", mem_max_size
);