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
28 #ifdef TCC_TARGET_I386
30 #include "i386-link.c"
32 #elif defined(TCC_TARGET_ARM)
36 #elif defined(TCC_TARGET_ARM64)
37 #include "arm64-gen.c"
38 #include "arm64-link.c"
40 #elif defined(TCC_TARGET_C67)
44 #elif defined(TCC_TARGET_X86_64)
45 #include "x86_64-gen.c"
46 #include "x86_64-link.c"
48 #elif defined(TCC_TARGET_RISCV64)
49 #include "riscv64-gen.c"
50 #include "riscv64-link.c"
51 #include "riscv64-asm.c"
58 #ifdef TCC_TARGET_MACHO
61 #endif /* ONE_SOURCE */
65 /********************************************************/
66 /* global variables */
68 /* XXX: get rid of this ASAP (or maybe not) */
69 ST_DATA
struct TCCState
*tcc_state
;
70 TCC_SEM(static tcc_compile_sem
);
76 /********************************************************/
78 ST_FUNC
char *normalize_slashes(char *path
)
81 for (p
= path
; *p
; ++p
)
87 #if defined LIBTCC_AS_DLL && !defined CONFIG_TCCDIR
88 static HMODULE tcc_module
;
89 BOOL WINAPI
DllMain (HINSTANCE hDll
, DWORD dwReason
, LPVOID lpReserved
)
91 if (DLL_PROCESS_ATTACH
== dwReason
)
96 #define tcc_module NULL /* NULL means executable itself */
100 /* on win32, we suppose the lib and includes are at the location of 'tcc.exe' */
101 static inline char *config_tccdir_w32(char *path
)
104 GetModuleFileName(tcc_module
, path
, MAX_PATH
);
105 p
= tcc_basename(normalize_slashes(strlwr(path
)));
111 #define CONFIG_TCCDIR config_tccdir_w32(alloca(MAX_PATH))
115 static void tcc_add_systemdir(TCCState
*s
)
118 GetSystemDirectory(buf
, sizeof buf
);
119 tcc_add_library_path(s
, normalize_slashes(buf
));
124 /********************************************************/
125 #if CONFIG_TCC_SEMLOCK
127 ST_FUNC
void wait_sem(TCCSem
*p
)
130 InitializeCriticalSection(&p
->cr
), p
->init
= 1;
131 EnterCriticalSection(&p
->cr
);
133 ST_FUNC
void post_sem(TCCSem
*p
)
135 LeaveCriticalSection(&p
->cr
);
137 #elif defined __APPLE__
138 /* Half-compatible MacOS doesn't have non-shared (process local)
139 semaphores. Use the dispatch framework for lightweight locks. */
140 ST_FUNC
void wait_sem(TCCSem
*p
)
143 p
->sem
= dispatch_semaphore_create(1), p
->init
= 1;
144 dispatch_semaphore_wait(p
->sem
, DISPATCH_TIME_FOREVER
);
146 ST_FUNC
void post_sem(TCCSem
*p
)
148 dispatch_semaphore_signal(p
->sem
);
151 ST_FUNC
void wait_sem(TCCSem
*p
)
154 sem_init(&p
->sem
, 0, 1), p
->init
= 1;
155 while (sem_wait(&p
->sem
) < 0 && errno
== EINTR
);
157 ST_FUNC
void post_sem(TCCSem
*p
)
164 PUB_FUNC
void tcc_enter_state(TCCState
*s1
)
166 if (s1
->error_set_jmp_enabled
)
168 WAIT_SEM(&tcc_compile_sem
);
172 PUB_FUNC
void tcc_exit_state(TCCState
*s1
)
174 if (s1
->error_set_jmp_enabled
)
177 POST_SEM(&tcc_compile_sem
);
180 /********************************************************/
181 /* copy a string and truncate it. */
182 ST_FUNC
char *pstrcpy(char *buf
, size_t buf_size
, const char *s
)
189 q_end
= buf
+ buf_size
- 1;
201 /* strcat and truncate. */
202 ST_FUNC
char *pstrcat(char *buf
, size_t buf_size
, const char *s
)
207 pstrcpy(buf
+ len
, buf_size
- len
, s
);
211 ST_FUNC
char *pstrncpy(char *out
, const char *in
, size_t num
)
213 memcpy(out
, in
, num
);
218 /* extract the basename of a file */
219 PUB_FUNC
char *tcc_basename(const char *name
)
221 char *p
= strchr(name
, 0);
222 while (p
> name
&& !IS_DIRSEP(p
[-1]))
227 /* extract extension part of a file
229 * (if no extension, return pointer to end-of-string)
231 PUB_FUNC
char *tcc_fileextension (const char *name
)
233 char *b
= tcc_basename(name
);
234 char *e
= strrchr(b
, '.');
235 return e
? e
: strchr(b
, 0);
238 ST_FUNC
char *tcc_load_text(int fd
)
240 int len
= lseek(fd
, 0, SEEK_END
);
241 char *buf
= load_data(fd
, 0, len
+ 1);
246 /********************************************************/
247 /* memory management */
255 PUB_FUNC
void tcc_free(void *ptr
)
260 PUB_FUNC
void *tcc_malloc(unsigned long size
)
265 _tcc_error("memory full (malloc)");
269 PUB_FUNC
void *tcc_mallocz(unsigned long size
)
272 ptr
= tcc_malloc(size
);
274 memset(ptr
, 0, size
);
278 PUB_FUNC
void *tcc_realloc(void *ptr
, unsigned long size
)
281 ptr1
= realloc(ptr
, size
);
283 _tcc_error("memory full (realloc)");
287 PUB_FUNC
char *tcc_strdup(const char *str
)
290 ptr
= tcc_malloc(strlen(str
) + 1);
297 #define MEM_DEBUG_MAGIC1 0xFEEDDEB1
298 #define MEM_DEBUG_MAGIC2 0xFEEDDEB2
299 #define MEM_DEBUG_MAGIC3 0xFEEDDEB3
300 #define MEM_DEBUG_FILE_LEN 40
301 #define MEM_DEBUG_CHECK3(header) \
302 ((mem_debug_header_t*)((char*)header + header->size))->magic3
303 #define MEM_USER_PTR(header) \
304 ((char *)header + offsetof(mem_debug_header_t, magic3))
305 #define MEM_HEADER_PTR(ptr) \
306 (mem_debug_header_t *)((char*)ptr - offsetof(mem_debug_header_t, magic3))
308 struct mem_debug_header
{
311 struct mem_debug_header
*prev
;
312 struct mem_debug_header
*next
;
314 char file_name
[MEM_DEBUG_FILE_LEN
+ 1];
316 ALIGNED(16) unsigned char magic3
[4];
319 typedef struct mem_debug_header mem_debug_header_t
;
321 static mem_debug_header_t
*mem_debug_chain
;
322 static unsigned mem_cur_size
;
323 static unsigned mem_max_size
;
325 static mem_debug_header_t
*malloc_check(void *ptr
, const char *msg
)
327 mem_debug_header_t
* header
= MEM_HEADER_PTR(ptr
);
328 if (header
->magic1
!= MEM_DEBUG_MAGIC1
||
329 header
->magic2
!= MEM_DEBUG_MAGIC2
||
330 read32le(MEM_DEBUG_CHECK3(header
)) != MEM_DEBUG_MAGIC3
||
331 header
->size
== (unsigned)-1) {
332 fprintf(stderr
, "%s check failed\n", msg
);
333 if (header
->magic1
== MEM_DEBUG_MAGIC1
)
334 fprintf(stderr
, "%s:%u: block allocated here.\n",
335 header
->file_name
, header
->line_num
);
341 PUB_FUNC
void *tcc_malloc_debug(unsigned long size
, const char *file
, int line
)
344 mem_debug_header_t
*header
;
346 header
= malloc(sizeof(mem_debug_header_t
) + size
);
348 _tcc_error("memory full (malloc)");
350 header
->magic1
= MEM_DEBUG_MAGIC1
;
351 header
->magic2
= MEM_DEBUG_MAGIC2
;
353 write32le(MEM_DEBUG_CHECK3(header
), MEM_DEBUG_MAGIC3
);
354 header
->line_num
= line
;
355 ofs
= strlen(file
) - MEM_DEBUG_FILE_LEN
;
356 strncpy(header
->file_name
, file
+ (ofs
> 0 ? ofs
: 0), MEM_DEBUG_FILE_LEN
);
357 header
->file_name
[MEM_DEBUG_FILE_LEN
] = 0;
359 header
->next
= mem_debug_chain
;
362 header
->next
->prev
= header
;
363 mem_debug_chain
= header
;
365 mem_cur_size
+= size
;
366 if (mem_cur_size
> mem_max_size
)
367 mem_max_size
= mem_cur_size
;
369 return MEM_USER_PTR(header
);
372 PUB_FUNC
void tcc_free_debug(void *ptr
)
374 mem_debug_header_t
*header
;
377 header
= malloc_check(ptr
, "tcc_free");
378 mem_cur_size
-= header
->size
;
379 header
->size
= (unsigned)-1;
381 header
->next
->prev
= header
->prev
;
383 header
->prev
->next
= header
->next
;
384 if (header
== mem_debug_chain
)
385 mem_debug_chain
= header
->next
;
389 PUB_FUNC
void *tcc_mallocz_debug(unsigned long size
, const char *file
, int line
)
392 ptr
= tcc_malloc_debug(size
,file
,line
);
393 memset(ptr
, 0, size
);
397 PUB_FUNC
void *tcc_realloc_debug(void *ptr
, unsigned long size
, const char *file
, int line
)
399 mem_debug_header_t
*header
;
400 int mem_debug_chain_update
= 0;
402 return tcc_malloc_debug(size
, file
, line
);
403 header
= malloc_check(ptr
, "tcc_realloc");
404 mem_cur_size
-= header
->size
;
405 mem_debug_chain_update
= (header
== mem_debug_chain
);
406 header
= realloc(header
, sizeof(mem_debug_header_t
) + size
);
408 _tcc_error("memory full (realloc)");
410 write32le(MEM_DEBUG_CHECK3(header
), MEM_DEBUG_MAGIC3
);
412 header
->next
->prev
= header
;
414 header
->prev
->next
= header
;
415 if (mem_debug_chain_update
)
416 mem_debug_chain
= header
;
417 mem_cur_size
+= size
;
418 if (mem_cur_size
> mem_max_size
)
419 mem_max_size
= mem_cur_size
;
420 return MEM_USER_PTR(header
);
423 PUB_FUNC
char *tcc_strdup_debug(const char *str
, const char *file
, int line
)
426 ptr
= tcc_malloc_debug(strlen(str
) + 1, file
, line
);
431 PUB_FUNC
void tcc_memcheck(void)
434 mem_debug_header_t
*header
= mem_debug_chain
;
435 fprintf(stderr
, "MEM_DEBUG: mem_leak= %d bytes, mem_max_size= %d bytes\n",
436 mem_cur_size
, mem_max_size
);
438 fprintf(stderr
, "%s:%u: error: %u bytes leaked\n",
439 header
->file_name
, header
->line_num
, header
->size
);
440 header
= header
->next
;
447 #endif /* MEM_DEBUG */
449 #define free(p) use_tcc_free(p)
450 #define malloc(s) use_tcc_malloc(s)
451 #define realloc(p, s) use_tcc_realloc(p, s)
453 /********************************************************/
456 ST_FUNC
void dynarray_add(void *ptab
, int *nb_ptr
, void *data
)
462 pp
= *(void ***)ptab
;
463 /* every power of two we double array size */
464 if ((nb
& (nb
- 1)) == 0) {
469 pp
= tcc_realloc(pp
, nb_alloc
* sizeof(void *));
476 ST_FUNC
void dynarray_reset(void *pp
, int *n
)
479 for (p
= *(void***)pp
; *n
; ++p
, --*n
)
482 tcc_free(*(void**)pp
);
486 static void tcc_split_path(TCCState
*s
, void *p_ary
, int *p_nb_ary
, const char *in
)
494 for (p
= in
; c
= *p
, c
!= '\0' && c
!= PATHSEP
[0]; ++p
) {
495 if (c
== '{' && p
[1] && p
[2] == '}') {
498 cstr_cat(&str
, s
->tcc_lib_path
, -1);
499 if (c
== 'f' && file
) {
500 /* substitute current file's dir */
501 const char *f
= file
->true_filename
;
502 const char *b
= tcc_basename(f
);
504 cstr_cat(&str
, f
, b
- f
- 1);
506 cstr_cat(&str
, ".", 1);
513 cstr_ccat(&str
, '\0');
514 dynarray_add(p_ary
, p_nb_ary
, tcc_strdup(str
.data
));
521 /********************************************************/
522 /* warning / error */
524 /* warn_... option bits */
525 #define WARN_ON 1 /* warning is on (-Woption) */
526 #define WARN_ERR 2 /* warning is an error (-Werror=option) */
527 #define WARN_NOE 4 /* warning is not an error (-Wno-error=option) */
530 enum { ERROR_WARN
, ERROR_NOABORT
, ERROR_ERROR
};
532 static void error1(int mode
, const char *fmt
, va_list ap
)
534 BufferedFile
**pf
, *f
;
535 TCCState
*s1
= tcc_state
;
541 /* can happen only if called from tcc_malloc(): 'out of memory' */
546 if (mode
== ERROR_WARN
) {
550 /* handle tcc_warning_c(warn_option)(fmt, ...) */
551 int wopt
= *(&s1
->warn_none
+ s1
->warn_num
);
553 if (0 == (wopt
& WARN_ON
))
565 if (s1
->error_set_jmp_enabled
) { /* we're called while parsing a file */
566 /* use upper file if inline ":asm:" or token ":paste:" */
567 for (f
= file
; f
&& f
->filename
[0] == ':'; f
= f
->prev
)
571 for(pf
= s1
->include_stack
; pf
< s1
->include_stack_ptr
; pf
++)
572 cstr_printf(&cs
, "In file included from %s:%d:\n",
573 (*pf
)->filename
, (*pf
)->line_num
);
574 cstr_printf(&cs
, "%s:%d: ",
575 f
->filename
, f
->line_num
- !!(tok_flags
& TOK_FLAG_BOL
));
576 } else if (s1
->current_filename
) {
577 cstr_printf(&cs
, "%s: ", s1
->current_filename
);
582 cstr_printf(&cs
, "tcc: ");
583 cstr_printf(&cs
, mode
== ERROR_WARN
? "warning: " : "error: ");
584 cstr_vprintf(&cs
, fmt
, ap
);
585 if (!s1
|| !s1
->error_func
) {
586 /* default case: stderr */
587 if (s1
&& s1
->output_type
== TCC_OUTPUT_PREPROCESS
&& s1
->ppfp
== stdout
)
588 printf("\n"); /* print a newline during tcc -E */
589 fflush(stdout
); /* flush -v output */
590 fprintf(stderr
, "%s\n", (char*)cs
.data
);
591 fflush(stderr
); /* print error/warning now (win32) */
593 s1
->error_func(s1
->error_opaque
, (char*)cs
.data
);
597 if (mode
!= ERROR_WARN
)
599 if (mode
!= ERROR_ERROR
)
601 if (s1
->error_set_jmp_enabled
)
602 longjmp(s1
->error_jmp_buf
, 1);
607 LIBTCCAPI
void tcc_set_error_func(TCCState
*s
, void *error_opaque
, TCCErrorFunc error_func
)
609 s
->error_opaque
= error_opaque
;
610 s
->error_func
= error_func
;
613 LIBTCCAPI TCCErrorFunc
tcc_get_error_func(TCCState
*s
)
615 return s
->error_func
;
618 LIBTCCAPI
void *tcc_get_error_opaque(TCCState
*s
)
620 return s
->error_opaque
;
623 /* error without aborting current compilation */
624 PUB_FUNC
void _tcc_error_noabort(const char *fmt
, ...)
628 error1(ERROR_NOABORT
, fmt
, ap
);
632 PUB_FUNC
void _tcc_error(const char *fmt
, ...)
636 for (;;) error1(ERROR_ERROR
, fmt
, ap
);
639 PUB_FUNC
void _tcc_warning(const char *fmt
, ...)
643 error1(ERROR_WARN
, fmt
, ap
);
647 /********************************************************/
650 ST_FUNC
void tcc_open_bf(TCCState
*s1
, const char *filename
, int initlen
)
653 int buflen
= initlen
? initlen
: IO_BUF_SIZE
;
655 bf
= tcc_mallocz(sizeof(BufferedFile
) + buflen
);
656 bf
->buf_ptr
= bf
->buffer
;
657 bf
->buf_end
= bf
->buffer
+ initlen
;
658 bf
->buf_end
[0] = CH_EOB
; /* put eob symbol */
659 pstrcpy(bf
->filename
, sizeof(bf
->filename
), filename
);
661 normalize_slashes(bf
->filename
);
663 bf
->true_filename
= bf
->filename
;
665 bf
->ifdef_stack_ptr
= s1
->ifdef_stack_ptr
;
669 tok_flags
= TOK_FLAG_BOL
| TOK_FLAG_BOF
;
672 ST_FUNC
void tcc_close(void)
674 TCCState
*s1
= tcc_state
;
675 BufferedFile
*bf
= file
;
678 total_lines
+= bf
->line_num
;
680 if (bf
->true_filename
!= bf
->filename
)
681 tcc_free(bf
->true_filename
);
686 static int _tcc_open(TCCState
*s1
, const char *filename
)
689 if (strcmp(filename
, "-") == 0)
690 fd
= 0, filename
= "<stdin>";
692 fd
= open(filename
, O_RDONLY
| O_BINARY
);
693 if ((s1
->verbose
== 2 && fd
>= 0) || s1
->verbose
== 3)
694 printf("%s %*s%s\n", fd
< 0 ? "nf":"->",
695 (int)(s1
->include_stack_ptr
- s1
->include_stack
), "", filename
);
699 ST_FUNC
int tcc_open(TCCState
*s1
, const char *filename
)
701 int fd
= _tcc_open(s1
, filename
);
704 tcc_open_bf(s1
, filename
, 0);
709 /* compile the file opened in 'file'. Return non zero if errors. */
710 static int tcc_compile(TCCState
*s1
, int filetype
, const char *str
, int fd
)
712 /* Here we enter the code section where we use the global variables for
713 parsing and code generation (tccpp.c, tccgen.c, <target>-gen.c).
714 Other threads need to wait until we're done.
716 Alternatively we could use thread local storage for those global
717 variables, which may or may not have advantages */
720 s1
->error_set_jmp_enabled
= 1;
722 if (setjmp(s1
->error_jmp_buf
) == 0) {
726 int len
= strlen(str
);
727 tcc_open_bf(s1
, "<string>", len
);
728 memcpy(file
->buffer
, str
, len
);
730 tcc_open_bf(s1
, str
, 0);
734 tccelf_begin_file(s1
);
735 preprocess_start(s1
, filetype
);
737 if (s1
->output_type
== TCC_OUTPUT_PREPROCESS
) {
739 } else if (filetype
& (AFF_TYPE_ASM
| AFF_TYPE_ASMPP
)) {
740 tcc_assemble(s1
, !!(filetype
& AFF_TYPE_ASMPP
));
748 s1
->error_set_jmp_enabled
= 0;
752 return s1
->nb_errors
!= 0 ? -1 : 0;
755 LIBTCCAPI
int tcc_compile_string(TCCState
*s
, const char *str
)
757 return tcc_compile(s
, s
->filetype
, str
, -1);
760 /* define a preprocessor symbol. value can be NULL, sym can be "sym=val" */
761 LIBTCCAPI
void tcc_define_symbol(TCCState
*s1
, const char *sym
, const char *value
)
764 if (NULL
== (eq
= strchr(sym
, '=')))
767 value
= *eq
? eq
+ 1 : "1";
768 cstr_printf(&s1
->cmdline_defs
, "#define %.*s %s\n", (int)(eq
-sym
), sym
, value
);
771 /* undefine a preprocessor symbol */
772 LIBTCCAPI
void tcc_undefine_symbol(TCCState
*s1
, const char *sym
)
774 cstr_printf(&s1
->cmdline_defs
, "#undef %s\n", sym
);
778 LIBTCCAPI TCCState
*tcc_new(void)
782 s
= tcc_mallocz(sizeof(TCCState
));
794 s
->dollars_in_identifiers
= 1; /*on by default like in gcc/clang*/
795 s
->cversion
= 199901; /* default unless -std=c11 is supplied */
796 s
->warn_implicit_function_declaration
= 1;
797 s
->warn_discarded_qualifiers
= 1;
798 s
->ms_extensions
= 1;
800 #ifdef CHAR_IS_UNSIGNED
801 s
->char_is_unsigned
= 1;
803 #ifdef TCC_TARGET_I386
806 /* enable this if you want symbols with leading underscore on windows: */
807 #if defined TCC_TARGET_MACHO /* || defined TCC_TARGET_PE */
808 s
->leading_underscore
= 1;
810 #ifdef TCC_TARGET_ARM
811 s
->float_abi
= ARM_FLOAT_ABI
;
815 /* might be used in error() before preprocess_start() */
816 s
->include_stack_ptr
= s
->include_stack
;
820 tcc_set_lib_path(s
, CONFIG_TCCDIR
);
824 LIBTCCAPI
void tcc_delete(TCCState
*s1
)
829 /* free library paths */
830 dynarray_reset(&s1
->library_paths
, &s1
->nb_library_paths
);
831 dynarray_reset(&s1
->crt_paths
, &s1
->nb_crt_paths
);
833 /* free include paths */
834 dynarray_reset(&s1
->include_paths
, &s1
->nb_include_paths
);
835 dynarray_reset(&s1
->sysinclude_paths
, &s1
->nb_sysinclude_paths
);
837 tcc_free(s1
->tcc_lib_path
);
838 tcc_free(s1
->soname
);
840 tcc_free(s1
->elf_entryname
);
841 tcc_free(s1
->init_symbol
);
842 tcc_free(s1
->fini_symbol
);
843 tcc_free(s1
->outfile
);
844 tcc_free(s1
->deps_outfile
);
845 dynarray_reset(&s1
->files
, &s1
->nb_files
);
846 dynarray_reset(&s1
->target_deps
, &s1
->nb_target_deps
);
847 dynarray_reset(&s1
->pragma_libs
, &s1
->nb_pragma_libs
);
848 dynarray_reset(&s1
->argv
, &s1
->argc
);
849 cstr_free(&s1
->cmdline_defs
);
850 cstr_free(&s1
->cmdline_incl
);
852 /* free runtime memory */
855 tcc_free(s1
->dState
);
858 if (0 == --nb_states
)
863 LIBTCCAPI
int tcc_set_output_type(TCCState
*s
, int output_type
)
865 s
->output_type
= output_type
;
868 /* default include paths */
869 /* -isystem paths have already been handled */
870 tcc_add_sysinclude_path(s
, CONFIG_TCC_SYSINCLUDEPATHS
);
872 #ifdef CONFIG_TCC_BCHECK
873 if (s
->do_bounds_check
) {
874 /* if bound checking, then add corresponding sections */
875 tccelf_bounds_new(s
);
879 /* add debug sections */
882 if (output_type
== TCC_OUTPUT_OBJ
) {
883 /* always elf for objects */
884 s
->output_format
= TCC_OUTPUT_FORMAT_ELF
;
888 tcc_add_library_path(s
, CONFIG_TCC_LIBPATHS
);
892 /* allow linking with system dll's directly */
893 tcc_add_systemdir(s
);
895 /* target PE has its own startup code in libtcc1.a */
898 #elif defined TCC_TARGET_MACHO
899 # ifdef TCC_IS_NATIVE
900 tcc_add_macos_sdkpath(s
);
902 /* Mach-O with LC_MAIN doesn't need any crt startup code. */
906 /* paths for crt objects */
907 tcc_split_path(s
, &s
->crt_paths
, &s
->nb_crt_paths
, CONFIG_TCC_CRTPREFIX
);
908 /* add libc crt1/crti objects */
909 if ((output_type
== TCC_OUTPUT_EXE
|| output_type
== TCC_OUTPUT_DLL
) &&
912 if (output_type
!= TCC_OUTPUT_DLL
)
913 tcc_add_crt(s
, "crt0.o");
914 if (output_type
== TCC_OUTPUT_DLL
)
915 tcc_add_crt(s
, "crtbeginS.o");
917 tcc_add_crt(s
, "crtbegin.o");
918 #elif TARGETOS_FreeBSD
919 if (output_type
!= TCC_OUTPUT_DLL
)
920 tcc_add_crt(s
, "crt1.o");
921 tcc_add_crt(s
, "crti.o");
923 tcc_add_crt(s
, "crtbeginT.o");
924 else if (output_type
== TCC_OUTPUT_DLL
)
925 tcc_add_crt(s
, "crtbeginS.o");
927 tcc_add_crt(s
, "crtbegin.o");
928 #elif TARGETOS_NetBSD
929 if (output_type
!= TCC_OUTPUT_DLL
)
930 tcc_add_crt(s
, "crt0.o");
931 tcc_add_crt(s
, "crti.o");
933 tcc_add_crt(s
, "crtbeginT.o");
934 else if (output_type
== TCC_OUTPUT_DLL
)
935 tcc_add_crt(s
, "crtbeginS.o");
937 tcc_add_crt(s
, "crtbegin.o");
939 if (output_type
!= TCC_OUTPUT_DLL
)
940 tcc_add_crt(s
, "crt1.o");
941 tcc_add_crt(s
, "crti.o");
948 LIBTCCAPI
int tcc_add_include_path(TCCState
*s
, const char *pathname
)
950 tcc_split_path(s
, &s
->include_paths
, &s
->nb_include_paths
, pathname
);
954 LIBTCCAPI
int tcc_add_sysinclude_path(TCCState
*s
, const char *pathname
)
956 tcc_split_path(s
, &s
->sysinclude_paths
, &s
->nb_sysinclude_paths
, pathname
);
960 ST_FUNC DLLReference
*tcc_add_dllref(TCCState
*s1
, const char *dllname
)
962 DLLReference
*ref
= tcc_mallocz(sizeof(DLLReference
) + strlen(dllname
));
963 strcpy(ref
->name
, dllname
);
964 dynarray_add(&s1
->loaded_dlls
, &s1
->nb_loaded_dlls
, ref
);
968 /* OpenBSD: choose latest from libxxx.so.x.y versions */
969 #if defined TARGETOS_OpenBSD && !defined _WIN32
971 static int tcc_glob_so(TCCState
*s1
, const char *pattern
, char *buf
, int size
)
976 int i
, v
, v1
, v2
, v3
;
978 star
= strchr(pattern
, '*');
979 if (!star
|| glob(pattern
, 0, NULL
, &g
))
981 for (v
= -1, i
= 0; i
< g
.gl_pathc
; ++i
) {
983 if (2 != sscanf(p
+ (star
- pattern
), "%d.%d.%d", &v1
, &v2
, &v3
))
985 if ((v1
= v1
* 1000 + v2
) > v
)
986 v
= v1
, pstrcpy(buf
, size
, p
);
993 ST_FUNC
int tcc_add_file_internal(TCCState
*s1
, const char *filename
, int flags
)
997 #if defined TARGETOS_OpenBSD && !defined _WIN32
999 if (tcc_glob_so(s1
, filename
, buf
, sizeof buf
) >= 0)
1004 fd
= _tcc_open(s1
, filename
);
1006 if (flags
& AFF_PRINT_ERROR
)
1007 tcc_error_noabort("file '%s' not found", filename
);
1011 s1
->current_filename
= filename
;
1012 if (flags
& AFF_TYPE_BIN
) {
1016 obj_type
= tcc_object_type(fd
, &ehdr
);
1017 lseek(fd
, 0, SEEK_SET
);
1021 case AFF_BINTYPE_REL
:
1022 ret
= tcc_load_object_file(s1
, fd
, 0);
1025 case AFF_BINTYPE_AR
:
1026 ret
= tcc_load_archive(s1
, fd
, !(flags
& AFF_WHOLE_ARCHIVE
));
1029 #ifdef TCC_TARGET_PE
1031 ret
= pe_load_file(s1
, fd
, filename
);
1034 #elif defined TCC_TARGET_MACHO
1035 case AFF_BINTYPE_DYN
:
1037 if (s1
->output_type
== TCC_OUTPUT_MEMORY
) {
1038 #ifdef TCC_IS_NATIVE
1040 const char* soname
= filename
;
1041 if (obj_type
!= AFF_BINTYPE_DYN
)
1042 soname
= macho_tbd_soname(filename
);
1043 dl
= dlopen(soname
, RTLD_GLOBAL
| RTLD_LAZY
);
1045 tcc_add_dllref(s1
, soname
)->handle
= dl
, ret
= 0;
1046 if (filename
!= soname
)
1047 tcc_free((void *)soname
);
1049 } else if (obj_type
== AFF_BINTYPE_DYN
) {
1050 ret
= macho_load_dll(s1
, fd
, filename
, (flags
& AFF_REFERENCED_DLL
) != 0);
1052 ret
= macho_load_tbd(s1
, fd
, filename
, (flags
& AFF_REFERENCED_DLL
) != 0);
1057 const char *ext
= tcc_fileextension(filename
);
1058 if (!strcmp(ext
, ".tbd"))
1059 goto case_dyn_or_tbd
;
1060 if (!strcmp(ext
, ".dylib")) {
1061 obj_type
= AFF_BINTYPE_DYN
;
1062 goto case_dyn_or_tbd
;
1068 case AFF_BINTYPE_DYN
:
1069 if (s1
->output_type
== TCC_OUTPUT_MEMORY
) {
1070 #ifdef TCC_IS_NATIVE
1071 void* dl
= dlopen(filename
, RTLD_GLOBAL
| RTLD_LAZY
);
1073 tcc_add_dllref(s1
, filename
)->handle
= dl
, ret
= 0;
1076 ret
= tcc_load_dll(s1
, fd
, filename
, (flags
& AFF_REFERENCED_DLL
) != 0);
1080 /* as GNU ld, consider it is an ld script if not recognized */
1081 ret
= tcc_load_ldscript(s1
, fd
);
1084 #endif /* pe / macos / unix */
1088 tcc_error_noabort("%s: unrecognized file type", filename
);
1091 #ifdef TCC_TARGET_COFF
1092 case AFF_BINTYPE_C67
:
1093 ret
= tcc_load_coff(s1
, fd
);
1099 /* update target deps */
1100 dynarray_add(&s1
->target_deps
, &s1
->nb_target_deps
, tcc_strdup(filename
));
1101 ret
= tcc_compile(s1
, flags
, filename
, fd
);
1103 s1
->current_filename
= NULL
;
1107 LIBTCCAPI
int tcc_add_file(TCCState
*s
, const char *filename
)
1109 int filetype
= s
->filetype
;
1110 if (0 == (filetype
& AFF_TYPE_MASK
)) {
1111 /* use a file extension to detect a filetype */
1112 const char *ext
= tcc_fileextension(filename
);
1115 if (!strcmp(ext
, "S"))
1116 filetype
= AFF_TYPE_ASMPP
;
1117 else if (!strcmp(ext
, "s"))
1118 filetype
= AFF_TYPE_ASM
;
1119 else if (!PATHCMP(ext
, "c")
1120 || !PATHCMP(ext
, "h")
1121 || !PATHCMP(ext
, "i"))
1122 filetype
= AFF_TYPE_C
;
1124 filetype
|= AFF_TYPE_BIN
;
1126 filetype
= AFF_TYPE_C
;
1129 return tcc_add_file_internal(s
, filename
, filetype
| AFF_PRINT_ERROR
);
1132 LIBTCCAPI
int tcc_add_library_path(TCCState
*s
, const char *pathname
)
1134 tcc_split_path(s
, &s
->library_paths
, &s
->nb_library_paths
, pathname
);
1138 static int tcc_add_library_internal(TCCState
*s
, const char *fmt
,
1139 const char *filename
, int flags
, char **paths
, int nb_paths
)
1144 for(i
= 0; i
< nb_paths
; i
++) {
1145 snprintf(buf
, sizeof(buf
), fmt
, paths
[i
], filename
);
1146 if (tcc_add_file_internal(s
, buf
, flags
| AFF_TYPE_BIN
) == 0)
1152 #ifndef TCC_TARGET_MACHO
1153 /* find and load a dll. Return non zero if not found */
1154 ST_FUNC
int tcc_add_dll(TCCState
*s
, const char *filename
, int flags
)
1156 return tcc_add_library_internal(s
, "%s/%s", filename
, flags
,
1157 s
->library_paths
, s
->nb_library_paths
);
1161 #if !defined TCC_TARGET_PE && !defined TCC_TARGET_MACHO
1162 ST_FUNC
int tcc_add_crt(TCCState
*s1
, const char *filename
)
1164 if (-1 == tcc_add_library_internal(s1
, "%s/%s",
1165 filename
, 0, s1
->crt_paths
, s1
->nb_crt_paths
))
1166 tcc_error_noabort("file '%s' not found", filename
);
1171 /* the library name is the same as the argument of the '-l' option */
1172 LIBTCCAPI
int tcc_add_library(TCCState
*s
, const char *libraryname
)
1174 #if defined TCC_TARGET_PE
1175 static const char * const libs
[] = { "%s/%s.def", "%s/lib%s.def", "%s/%s.dll", "%s/lib%s.dll", "%s/lib%s.a", NULL
};
1176 const char * const *pp
= s
->static_link
? libs
+ 4 : libs
;
1177 #elif defined TCC_TARGET_MACHO
1178 static const char * const libs
[] = { "%s/lib%s.dylib", "%s/lib%s.tbd", "%s/lib%s.a", NULL
};
1179 const char * const *pp
= s
->static_link
? libs
+ 2 : libs
;
1180 #elif defined TARGETOS_OpenBSD
1181 static const char * const libs
[] = { "%s/lib%s.so.*", "%s/lib%s.a", NULL
};
1182 const char * const *pp
= s
->static_link
? libs
+ 1 : libs
;
1184 static const char * const libs
[] = { "%s/lib%s.so", "%s/lib%s.a", NULL
};
1185 const char * const *pp
= s
->static_link
? libs
+ 1 : libs
;
1187 int flags
= s
->filetype
& AFF_WHOLE_ARCHIVE
;
1189 if (0 == tcc_add_library_internal(s
, *pp
,
1190 libraryname
, flags
, s
->library_paths
, s
->nb_library_paths
))
1197 PUB_FUNC
int tcc_add_library_err(TCCState
*s1
, const char *libname
)
1199 int ret
= tcc_add_library(s1
, libname
);
1201 tcc_error_noabort("library '%s' not found", libname
);
1205 /* handle #pragma comment(lib,) */
1206 ST_FUNC
void tcc_add_pragma_libs(TCCState
*s1
)
1209 for (i
= 0; i
< s1
->nb_pragma_libs
; i
++)
1210 tcc_add_library_err(s1
, s1
->pragma_libs
[i
]);
1213 LIBTCCAPI
int tcc_add_symbol(TCCState
*s1
, const char *name
, const void *val
)
1215 #ifdef TCC_TARGET_PE
1216 /* On x86_64 'val' might not be reachable with a 32bit offset.
1217 So it is handled here as if it were in a DLL. */
1218 pe_putimport(s1
, 0, name
, (uintptr_t)val
);
1221 if (s1
->leading_underscore
) {
1223 pstrcpy(buf
+ 1, sizeof(buf
) - 1, name
);
1226 set_global_sym(s1
, name
, NULL
, (addr_t
)(uintptr_t)val
); /* NULL: SHN_ABS */
1231 LIBTCCAPI
void tcc_set_lib_path(TCCState
*s
, const char *path
)
1233 tcc_free(s
->tcc_lib_path
);
1234 s
->tcc_lib_path
= tcc_strdup(path
);
1237 /********************************************************/
1238 /* options parser */
1240 static int strstart(const char *val
, const char **str
)
1255 /* Like strstart, but automatically takes into account that ld options can
1257 * - start with double or single dash (e.g. '--soname' or '-soname')
1258 * - arguments can be given as separate or after '=' (e.g. '-Wl,-soname,x.so'
1259 * or '-Wl,-soname=x.so')
1261 * you provide `val` always in 'option[=]' form (no leading -)
1263 static int link_option(const char *str
, const char *val
, const char **ptr
)
1268 /* there should be 1 or 2 dashes */
1274 /* then str & val should match (potentially up to '=') */
1281 if (strstart("no-", &p
))
1285 while (*q
!= '\0' && *q
!= '=') {
1292 /* '=' near eos means ',' or '=' is ok */
1296 if (*p
!= ',' && *p
!= '=')
1306 static const char *skip_linker_arg(const char **str
)
1308 const char *s1
= *str
;
1309 const char *s2
= strchr(s1
, ',');
1310 *str
= s2
? s2
++ : (s2
= s1
+ strlen(s1
));
1314 static void copy_linker_arg(char **pp
, const char *s
, int sep
)
1320 p
[l
= strlen(p
)] = sep
, ++l
;
1321 skip_linker_arg(&q
);
1322 pstrncpy(l
+ (*pp
= tcc_realloc(p
, q
- s
+ l
+ 1)), s
, q
- s
);
1325 /* set linker options */
1326 static int tcc_set_linker(TCCState
*s
, const char *option
)
1331 const char *p
= NULL
;
1336 if (link_option(option
, "Bsymbolic", &p
)) {
1338 } else if (link_option(option
, "nostdlib", &p
)) {
1340 } else if (link_option(option
, "e=", &p
)) {
1341 copy_linker_arg(&s
->elf_entryname
, p
, 0);
1342 } else if (link_option(option
, "fini=", &p
)) {
1343 copy_linker_arg(&s
->fini_symbol
, p
, 0);
1345 } else if (link_option(option
, "image-base=", &p
)
1346 || link_option(option
, "Ttext=", &p
)) {
1347 s
->text_addr
= strtoull(p
, &end
, 16);
1348 s
->has_text_addr
= 1;
1349 } else if (link_option(option
, "init=", &p
)) {
1350 copy_linker_arg(&s
->init_symbol
, p
, 0);
1352 } else if (link_option(option
, "oformat=", &p
)) {
1353 #if defined(TCC_TARGET_PE)
1354 if (strstart("pe-", &p
)) {
1356 if (strstart("elf64-", &p
)) {
1358 if (strstart("elf32-", &p
)) {
1360 s
->output_format
= TCC_OUTPUT_FORMAT_ELF
;
1361 } else if (!strcmp(p
, "binary")) {
1362 s
->output_format
= TCC_OUTPUT_FORMAT_BINARY
;
1363 #ifdef TCC_TARGET_COFF
1364 } else if (!strcmp(p
, "coff")) {
1365 s
->output_format
= TCC_OUTPUT_FORMAT_COFF
;
1370 } else if (link_option(option
, "as-needed", &p
)) {
1372 } else if (link_option(option
, "O", &p
)) {
1374 } else if (link_option(option
, "export-all-symbols", &p
)) {
1376 } else if (link_option(option
, "export-dynamic", &p
)) {
1378 } else if (link_option(option
, "rpath=", &p
)) {
1379 copy_linker_arg(&s
->rpath
, p
, ':');
1380 } else if (link_option(option
, "enable-new-dtags", &p
)) {
1381 s
->enable_new_dtags
= 1;
1382 } else if (link_option(option
, "section-alignment=", &p
)) {
1383 s
->section_align
= strtoul(p
, &end
, 16);
1384 } else if (link_option(option
, "soname=", &p
)) {
1385 copy_linker_arg(&s
->soname
, p
, 0);
1386 #ifdef TCC_TARGET_PE
1387 } else if (link_option(option
, "large-address-aware", &p
)) {
1388 s
->pe_characteristics
|= 0x20;
1389 } else if (link_option(option
, "file-alignment=", &p
)) {
1390 s
->pe_file_align
= strtoul(p
, &end
, 16);
1391 } else if (link_option(option
, "stack=", &p
)) {
1392 s
->pe_stack_size
= strtoul(p
, &end
, 10);
1393 } else if (link_option(option
, "subsystem=", &p
)) {
1394 #if defined(TCC_TARGET_I386) || defined(TCC_TARGET_X86_64)
1395 if (!strcmp(p
, "native")) {
1396 s
->pe_subsystem
= 1;
1397 } else if (!strcmp(p
, "console")) {
1398 s
->pe_subsystem
= 3;
1399 } else if (!strcmp(p
, "gui") || !strcmp(p
, "windows")) {
1400 s
->pe_subsystem
= 2;
1401 } else if (!strcmp(p
, "posix")) {
1402 s
->pe_subsystem
= 7;
1403 } else if (!strcmp(p
, "efiapp")) {
1404 s
->pe_subsystem
= 10;
1405 } else if (!strcmp(p
, "efiboot")) {
1406 s
->pe_subsystem
= 11;
1407 } else if (!strcmp(p
, "efiruntime")) {
1408 s
->pe_subsystem
= 12;
1409 } else if (!strcmp(p
, "efirom")) {
1410 s
->pe_subsystem
= 13;
1411 #elif defined(TCC_TARGET_ARM)
1412 if (!strcmp(p
, "wince")) {
1413 s
->pe_subsystem
= 9;
1418 } else if (ret
= link_option(option
, "?whole-archive", &p
), ret
) {
1420 s
->filetype
|= AFF_WHOLE_ARCHIVE
;
1422 s
->filetype
&= ~AFF_WHOLE_ARCHIVE
;
1423 } else if (link_option(option
, "z=", &p
)) {
1429 tcc_error("unsupported linker option '%s'", option
);
1432 tcc_warning_c(warn_unsupported
)("unsupported linker option '%s'", option
);
1433 option
= skip_linker_arg(&p
);
1438 typedef struct TCCOption
{
1445 TCC_OPTION_ignored
= 0,
1462 TCC_OPTION_dumpversion
,
1474 TCC_OPTION_mfloat_abi
,
1478 TCC_OPTION_iwithprefix
,
1480 TCC_OPTION_nostdinc
,
1481 TCC_OPTION_nostdlib
,
1482 TCC_OPTION_print_search_dirs
,
1483 TCC_OPTION_rdynamic
,
1498 #define TCC_OPTION_HAS_ARG 0x0001
1499 #define TCC_OPTION_NOSEP 0x0002 /* cannot have space before option and arg */
1501 static const TCCOption tcc_options
[] = {
1502 { "h", TCC_OPTION_HELP
, 0 },
1503 { "-help", TCC_OPTION_HELP
, 0 },
1504 { "?", TCC_OPTION_HELP
, 0 },
1505 { "hh", TCC_OPTION_HELP2
, 0 },
1506 { "v", TCC_OPTION_v
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1507 { "-version", TCC_OPTION_v
, 0 }, /* handle as verbose, also prints version*/
1508 { "I", TCC_OPTION_I
, TCC_OPTION_HAS_ARG
},
1509 { "D", TCC_OPTION_D
, TCC_OPTION_HAS_ARG
},
1510 { "U", TCC_OPTION_U
, TCC_OPTION_HAS_ARG
},
1511 { "P", TCC_OPTION_P
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1512 { "L", TCC_OPTION_L
, TCC_OPTION_HAS_ARG
},
1513 { "B", TCC_OPTION_B
, TCC_OPTION_HAS_ARG
},
1514 { "l", TCC_OPTION_l
, TCC_OPTION_HAS_ARG
},
1515 { "bench", TCC_OPTION_bench
, 0 },
1516 #ifdef CONFIG_TCC_BACKTRACE
1517 { "bt", TCC_OPTION_bt
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1519 #ifdef CONFIG_TCC_BCHECK
1520 { "b", TCC_OPTION_b
, 0 },
1522 { "g", TCC_OPTION_g
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1523 { "c", TCC_OPTION_c
, 0 },
1524 { "dumpversion", TCC_OPTION_dumpversion
, 0},
1525 { "d", TCC_OPTION_d
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1526 { "static", TCC_OPTION_static
, 0 },
1527 { "std", TCC_OPTION_std
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1528 { "shared", TCC_OPTION_shared
, 0 },
1529 { "soname", TCC_OPTION_soname
, TCC_OPTION_HAS_ARG
},
1530 { "o", TCC_OPTION_o
, TCC_OPTION_HAS_ARG
},
1531 { "pthread", TCC_OPTION_pthread
, 0},
1532 { "run", TCC_OPTION_run
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1533 { "rdynamic", TCC_OPTION_rdynamic
, 0 },
1534 { "r", TCC_OPTION_r
, 0 },
1535 { "Wl,", TCC_OPTION_Wl
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1536 { "Wp,", TCC_OPTION_Wp
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1537 { "W", TCC_OPTION_W
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1538 { "O", TCC_OPTION_O
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1539 #ifdef TCC_TARGET_ARM
1540 { "mfloat-abi", TCC_OPTION_mfloat_abi
, TCC_OPTION_HAS_ARG
},
1542 { "m", TCC_OPTION_m
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1543 { "f", TCC_OPTION_f
, TCC_OPTION_HAS_ARG
| TCC_OPTION_NOSEP
},
1544 { "isystem", TCC_OPTION_isystem
, TCC_OPTION_HAS_ARG
},
1545 { "include", TCC_OPTION_include
, TCC_OPTION_HAS_ARG
},
1546 { "nostdinc", TCC_OPTION_nostdinc
, 0 },
1547 { "nostdlib", TCC_OPTION_nostdlib
, 0 },
1548 { "print-search-dirs", TCC_OPTION_print_search_dirs
, 0 },
1549 { "w", TCC_OPTION_w
, 0 },
1550 { "E", TCC_OPTION_E
, 0},
1551 { "M", TCC_OPTION_M
, 0},
1552 { "MD", TCC_OPTION_MD
, 0},
1553 { "MF", TCC_OPTION_MF
, TCC_OPTION_HAS_ARG
},
1554 { "MM", TCC_OPTION_MM
, 0},
1555 { "MMD", TCC_OPTION_MMD
, 0},
1556 { "x", TCC_OPTION_x
, TCC_OPTION_HAS_ARG
},
1557 { "ar", TCC_OPTION_ar
, 0},
1558 #ifdef TCC_TARGET_PE
1559 { "impdef", TCC_OPTION_impdef
, 0},
1561 /* ignored (silently, except after -Wunsupported) */
1562 { "arch", 0, TCC_OPTION_HAS_ARG
},
1564 { "-param", 0, TCC_OPTION_HAS_ARG
},
1565 { "pedantic", 0, 0 },
1568 { "traditional", 0, 0 },
1572 typedef struct FlagDef
{
1578 #define WD_ALL 0x0001 /* warning is activated when using -Wall */
1579 #define FD_INVERT 0x0002 /* invert value before storing */
1581 static const FlagDef options_W
[] = {
1582 { offsetof(TCCState
, warn_all
), WD_ALL
, "all" },
1583 { offsetof(TCCState
, warn_error
), 0, "error" },
1584 { offsetof(TCCState
, warn_write_strings
), 0, "write-strings" },
1585 { offsetof(TCCState
, warn_unsupported
), 0, "unsupported" },
1586 { offsetof(TCCState
, warn_implicit_function_declaration
), WD_ALL
, "implicit-function-declaration" },
1587 { offsetof(TCCState
, warn_discarded_qualifiers
), WD_ALL
, "discarded-qualifiers" },
1591 static const FlagDef options_f
[] = {
1592 { offsetof(TCCState
, char_is_unsigned
), 0, "unsigned-char" },
1593 { offsetof(TCCState
, char_is_unsigned
), FD_INVERT
, "signed-char" },
1594 { offsetof(TCCState
, nocommon
), FD_INVERT
, "common" },
1595 { offsetof(TCCState
, leading_underscore
), 0, "leading-underscore" },
1596 { offsetof(TCCState
, ms_extensions
), 0, "ms-extensions" },
1597 { offsetof(TCCState
, dollars_in_identifiers
), 0, "dollars-in-identifiers" },
1598 { offsetof(TCCState
, test_coverage
), 0, "test-coverage" },
1602 static const FlagDef options_m
[] = {
1603 { offsetof(TCCState
, ms_bitfields
), 0, "ms-bitfields" },
1604 #ifdef TCC_TARGET_X86_64
1605 { offsetof(TCCState
, nosse
), FD_INVERT
, "sse" },
1610 static int set_flag(TCCState
*s
, const FlagDef
*flags
, const char *name
)
1612 int value
, mask
, ret
;
1617 r
= name
, value
= !strstart("no-", &r
), mask
= 0;
1619 /* when called with options_W, look for -W[no-]error=<option> */
1620 if ((flags
->flags
& WD_ALL
) && strstart("error=", &r
))
1621 value
= value
? WARN_ON
|WARN_ERR
: WARN_NOE
, mask
= WARN_ON
;
1623 for (ret
= -1, p
= flags
; p
->name
; ++p
) {
1625 if (strcmp(r
, p
->name
))
1628 if (0 == (p
->flags
& WD_ALL
))
1632 f
= (unsigned char *)s
+ p
->offset
;
1633 *f
= (*f
& mask
) | (value
^ !!(p
->flags
& FD_INVERT
));
1637 if (strcmp(r
, "all"))
1644 static void args_parser_add_file(TCCState
*s
, const char* filename
, int filetype
)
1646 struct filespec
*f
= tcc_malloc(sizeof *f
+ strlen(filename
));
1648 strcpy(f
->name
, filename
);
1649 dynarray_add(&s
->files
, &s
->nb_files
, f
);
1652 static int args_parser_make_argv(const char *r
, int *argc
, char ***argv
)
1657 while (c
= (unsigned char)*r
, c
&& c
<= ' ')
1663 while (c
= (unsigned char)*r
, c
) {
1665 if (c
== '\\' && (*r
== '"' || *r
== '\\')) {
1667 } else if (c
== '"') {
1670 } else if (q
== 0 && c
<= ' ') {
1676 //printf("<%s>\n", str.data), fflush(stdout);
1677 dynarray_add(argv
, argc
, tcc_strdup(str
.data
));
1684 /* read list file */
1685 static void args_parser_listfile(TCCState
*s
,
1686 const char *filename
, int optind
, int *pargc
, char ***pargv
)
1694 fd
= open(filename
, O_RDONLY
| O_BINARY
);
1696 tcc_error("listfile '%s' not found", filename
);
1698 p
= tcc_load_text(fd
);
1699 for (i
= 0; i
< *pargc
; ++i
)
1701 args_parser_make_argv(p
, &argc
, &argv
);
1703 dynarray_add(&argv
, &argc
, tcc_strdup((*pargv
)[i
]));
1706 dynarray_reset(&s
->argv
, &s
->argc
);
1707 *pargc
= s
->argc
= argc
, *pargv
= s
->argv
= argv
;
1710 PUB_FUNC
int tcc_parse_args(TCCState
*s
, int *pargc
, char ***pargv
, int optind
)
1713 const TCCOption
*popt
;
1714 const char *optarg
, *r
;
1715 const char *run
= NULL
;
1717 CString linker_arg
; /* collect -Wl options */
1718 int tool
= 0, arg_start
= 0, noaction
= optind
;
1719 char **argv
= *pargv
;
1722 cstr_new(&linker_arg
);
1724 while (optind
< argc
) {
1726 if (r
[0] == '@' && r
[1] != '\0') {
1727 args_parser_listfile(s
, r
+ 1, optind
, &argc
, &argv
);
1732 if (r
[0] == '-' && r
[1] == 'v' && r
[2] == 0)
1737 if (r
[0] != '-' || r
[1] == '\0') {
1738 if (r
[0] != '@') /* allow "tcc file(s) -run @ args ..." */
1739 args_parser_add_file(s
, r
, s
->filetype
);
1741 tcc_set_options(s
, run
);
1742 arg_start
= optind
- 1;
1748 /* find option in table */
1749 for(popt
= tcc_options
; ; ++popt
) {
1750 const char *p1
= popt
->name
;
1751 const char *r1
= r
+ 1;
1753 tcc_error("invalid option -- '%s'", r
);
1754 if (!strstart(p1
, &r1
))
1757 if (popt
->flags
& TCC_OPTION_HAS_ARG
) {
1758 if (*r1
== '\0' && !(popt
->flags
& TCC_OPTION_NOSEP
)) {
1761 tcc_error("argument to '%s' is missing", r
);
1762 optarg
= argv
[optind
++];
1764 } else if (*r1
!= '\0')
1769 switch(popt
->index
) {
1770 case TCC_OPTION_HELP
:
1773 case TCC_OPTION_HELP2
:
1777 tcc_add_include_path(s
, optarg
);
1780 tcc_define_symbol(s
, optarg
, NULL
);
1783 tcc_undefine_symbol(s
, optarg
);
1786 tcc_add_library_path(s
, optarg
);
1789 /* set tcc utilities path (mainly for tcc development) */
1790 tcc_set_lib_path(s
, optarg
);
1793 args_parser_add_file(s
, optarg
, AFF_TYPE_LIB
| (s
->filetype
& ~AFF_TYPE_MASK
));
1796 case TCC_OPTION_pthread
:
1797 s
->option_pthread
= 1;
1799 case TCC_OPTION_bench
:
1802 #ifdef CONFIG_TCC_BACKTRACE
1804 s
->rt_num_callers
= atoi(optarg
);
1805 s
->do_backtrace
= 1;
1807 s
->dwarf
= DWARF_VERSION
;
1810 #ifdef CONFIG_TCC_BCHECK
1812 s
->do_bounds_check
= 1;
1813 s
->do_backtrace
= 1;
1815 s
->dwarf
= DWARF_VERSION
;
1820 s
->dwarf
= DWARF_VERSION
;
1821 if (strstart("dwarf-", &optarg
))
1822 s
->dwarf
= atoi(optarg
);
1828 tcc_warning("-%s: overriding compiler action already specified", popt
->name
);
1834 else if (*optarg
== 'M')
1836 else if (*optarg
== 't')
1838 else if (isnum(*optarg
))
1839 s
->g_debug
|= atoi(optarg
);
1841 goto unsupported_option
;
1843 case TCC_OPTION_static
:
1846 case TCC_OPTION_std
:
1847 if (strcmp(optarg
, "=c11") == 0)
1848 s
->cversion
= 201112;
1850 case TCC_OPTION_shared
:
1852 goto set_output_type
;
1853 case TCC_OPTION_soname
:
1854 s
->soname
= tcc_strdup(optarg
);
1858 tcc_warning("multiple -o option");
1859 tcc_free(s
->outfile
);
1861 s
->outfile
= tcc_strdup(optarg
);
1864 /* generate a .o merging several output files */
1867 goto set_output_type
;
1868 case TCC_OPTION_isystem
:
1869 tcc_add_sysinclude_path(s
, optarg
);
1871 case TCC_OPTION_include
:
1872 cstr_printf(&s
->cmdline_incl
, "#include \"%s\"\n", optarg
);
1874 case TCC_OPTION_nostdinc
:
1877 case TCC_OPTION_nostdlib
:
1880 case TCC_OPTION_run
:
1881 #ifndef TCC_IS_NATIVE
1882 tcc_error("-run is not available in a cross compiler");
1885 x
= TCC_OUTPUT_MEMORY
;
1886 goto set_output_type
;
1888 do ++s
->verbose
; while (*optarg
++ == 'v');
1892 if (set_flag(s
, options_f
, optarg
) < 0)
1893 goto unsupported_option
;
1895 #ifdef TCC_TARGET_ARM
1896 case TCC_OPTION_mfloat_abi
:
1897 /* tcc doesn't support soft float yet */
1898 if (!strcmp(optarg
, "softfp")) {
1899 s
->float_abi
= ARM_SOFTFP_FLOAT
;
1900 } else if (!strcmp(optarg
, "hard"))
1901 s
->float_abi
= ARM_HARD_FLOAT
;
1903 tcc_error("unsupported float abi '%s'", optarg
);
1907 if (set_flag(s
, options_m
, optarg
) < 0) {
1908 if (x
= atoi(optarg
), x
!= 32 && x
!= 64)
1909 goto unsupported_option
;
1910 if (PTR_SIZE
!= x
/8)
1917 if (optarg
[0] && set_flag(s
, options_W
, optarg
) < 0)
1918 goto unsupported_option
;
1923 case TCC_OPTION_rdynamic
:
1927 if (linker_arg
.size
)
1928 --linker_arg
.size
, cstr_ccat(&linker_arg
, ',');
1929 cstr_cat(&linker_arg
, optarg
, 0);
1930 if (tcc_set_linker(s
, linker_arg
.data
))
1931 cstr_free(&linker_arg
);
1937 x
= TCC_OUTPUT_PREPROCESS
;
1938 goto set_output_type
;
1940 s
->Pflag
= atoi(optarg
) + 1;
1943 s
->include_sys_deps
= 1;
1947 if(!s
->deps_outfile
)
1948 s
->deps_outfile
= tcc_strdup("-");
1950 case TCC_OPTION_MMD
:
1955 s
->include_sys_deps
= 1;
1958 s
->deps_outfile
= tcc_strdup(optarg
);
1960 case TCC_OPTION_dumpversion
:
1961 printf ("%s\n", TCC_VERSION
);
1968 else if (*optarg
== 'a')
1970 else if (*optarg
== 'b')
1972 else if (*optarg
== 'n')
1975 tcc_warning("unsupported language '%s'", optarg
);
1976 s
->filetype
= x
| (s
->filetype
& ~AFF_TYPE_MASK
);
1979 s
->optimize
= atoi(optarg
);
1981 case TCC_OPTION_print_search_dirs
:
1984 case TCC_OPTION_impdef
:
1990 arg_start
= optind
- 1;
1991 if (arg_start
!= noaction
)
1992 tcc_error("cannot parse %s here", r
);
1997 tcc_warning_c(warn_unsupported
)("unsupported option '%s'", r
);
2001 if (linker_arg
.size
) {
2002 r
= linker_arg
.data
;
2005 *pargc
= argc
- arg_start
;
2006 *pargv
= argv
+ arg_start
;
2009 if (optind
!= noaction
)
2011 if (s
->verbose
== 2)
2012 return OPT_PRINT_DIRS
;
2018 LIBTCCAPI
void tcc_set_options(TCCState
*s
, const char *r
)
2022 args_parser_make_argv(r
, &argc
, &argv
);
2023 tcc_parse_args(s
, &argc
, &argv
, 0);
2024 dynarray_reset(&argv
, &argc
);
2027 PUB_FUNC
void tcc_print_stats(TCCState
*s1
, unsigned total_time
)
2031 if (total_bytes
< 1)
2033 fprintf(stderr
, "* %d idents, %d lines, %d bytes\n"
2034 "* %0.3f s, %u lines/s, %0.1f MB/s\n",
2035 total_idents
, total_lines
, total_bytes
,
2036 (double)total_time
/1000,
2037 (unsigned)total_lines
*1000/total_time
,
2038 (double)total_bytes
/1000/total_time
);
2039 fprintf(stderr
, "* text %d, data.rw %d, data.ro %d, bss %d bytes\n",
2040 s1
->total_output
[0],
2041 s1
->total_output
[1],
2042 s1
->total_output
[2],
2046 fprintf(stderr
, "* %d bytes memory used\n", mem_max_size
);