Adding two more people to the RELICENSING file.
[tinycc.git] / libtcc.c
Commit [+]AuthorDateLineData
a93bcdff grischka2009-05-05 20:17:11 +02001/*
2 * TCC - Tiny C Compiler
0650ab01 Joseph Poirier2013-11-08 13:24:15 -06003 *
a93bcdff grischka2009-05-05 20:17:11 +02004 * Copyright (c) 2001-2004 Fabrice Bellard
5 *
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.
10 *
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.
15 *
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
19 */
20
9dc9cbf3 grischka2009-05-05 20:18:53 +020021#include "tcc.h"
22
0a35f9d6 grischka2009-05-11 18:45:56 +020023/********************************************************/
24/* global variables */
25
92204e88 grischka2009-05-05 20:30:13 +020026/* use GNU C extensions */
88a3ccab grischka2009-12-20 01:53:49 +010027ST_DATA int gnu_ext = 1;
92204e88 grischka2009-05-05 20:30:13 +020028
88a3ccab grischka2009-12-20 01:53:49 +010029/* use TinyCC extensions */
30ST_DATA int tcc_ext = 1;
92204e88 grischka2009-05-05 20:30:13 +020031
32/* XXX: get rid of this ASAP */
88a3ccab grischka2009-12-20 01:53:49 +010033ST_DATA struct TCCState *tcc_state;
0a35f9d6 grischka2009-05-11 18:45:56 +020034
5e83b64d grischka2009-07-06 21:13:20 +020035/********************************************************/
0a35f9d6 grischka2009-05-11 18:45:56 +020036
5280293d grischka2011-07-14 18:45:37 +020037#ifdef ONE_SOURCE
88a3ccab grischka2009-12-20 01:53:49 +010038#include "tccpp.c"
39#include "tccgen.c"
40#include "tccelf.c"
41#include "tccrun.c"
9dc9cbf3 grischka2009-05-05 20:18:53 +020042#ifdef TCC_TARGET_I386
89ad24e7 gus knight2015-07-29 16:53:57 -040043#include "i386-gen.c"
9dc9cbf3 grischka2009-05-05 20:18:53 +020044#endif
9dc9cbf3 grischka2009-05-05 20:18:53 +020045#ifdef TCC_TARGET_ARM
89ad24e7 gus knight2015-07-29 16:53:57 -040046#include "arm-gen.c"
9dc9cbf3 grischka2009-05-05 20:18:53 +020047#endif
b14ef0e2 Edmund Grimley Evans2015-02-13 18:58:31 +000048#ifdef TCC_TARGET_ARM64
89ad24e7 gus knight2015-07-29 16:53:57 -040049#include "arm64-gen.c"
b14ef0e2 Edmund Grimley Evans2015-02-13 18:58:31 +000050#endif
9dc9cbf3 grischka2009-05-05 20:18:53 +020051#ifdef TCC_TARGET_C67
89ad24e7 gus knight2015-07-29 16:53:57 -040052#include "c67-gen.c"
9dc9cbf3 grischka2009-05-05 20:18:53 +020053#endif
9dc9cbf3 grischka2009-05-05 20:18:53 +020054#ifdef TCC_TARGET_X86_64
89ad24e7 gus knight2015-07-29 16:53:57 -040055#include "x86_64-gen.c"
9dc9cbf3 grischka2009-05-05 20:18:53 +020056#endif
5e83b64d grischka2009-07-06 21:13:20 +020057#ifdef CONFIG_TCC_ASM
88a3ccab grischka2009-12-20 01:53:49 +010058#include "tccasm.c"
1308e8eb grischka2009-12-19 22:08:37 +010059#if defined TCC_TARGET_I386 || defined TCC_TARGET_X86_64
89ad24e7 gus knight2015-07-29 16:53:57 -040060#include "i386-asm.c"
5e83b64d grischka2009-07-06 21:13:20 +020061#endif
5e83b64d grischka2009-07-06 21:13:20 +020062#endif
5e83b64d grischka2009-07-06 21:13:20 +020063#ifdef TCC_TARGET_COFF
64#include "tcccoff.c"
65#endif
5e83b64d grischka2009-07-06 21:13:20 +020066#ifdef TCC_TARGET_PE
67#include "tccpe.c"
68#endif
339f961c Joe Soroka2011-07-22 02:12:49 -070069#endif /* ONE_SOURCE */
5e83b64d grischka2009-07-06 21:13:20 +020070
88a3ccab grischka2009-12-20 01:53:49 +010071/********************************************************/
72#ifndef CONFIG_TCC_ASM
73ST_FUNC void asm_instr(void)
74{
bf374a5f grischka2011-08-11 17:07:56 +020075 tcc_error("inline asm() not supported");
88a3ccab grischka2009-12-20 01:53:49 +010076}
77ST_FUNC void asm_global_instr(void)
78{
bf374a5f grischka2011-08-11 17:07:56 +020079 tcc_error("inline asm() not supported");
88a3ccab grischka2009-12-20 01:53:49 +010080}
81#endif
3db21947 grischka2009-12-19 22:10:26 +010082
5e83b64d grischka2009-07-06 21:13:20 +020083/********************************************************/
1df662c1 grischka2009-07-18 22:07:25 +020084#ifdef _WIN32
88a3ccab grischka2009-12-20 01:53:49 +010085static char *normalize_slashes(char *path)
1df662c1 grischka2009-07-18 22:07:25 +020086{
87 char *p;
73faaea2 grischka2013-08-28 22:55:05 +020088 for (p = path; *p; ++p)
89 if (*p == '\\')
90 *p = '/';
1df662c1 grischka2009-07-18 22:07:25 +020091 return path;
92}
93
88a3ccab grischka2009-12-20 01:53:49 +010094static HMODULE tcc_module;
1df662c1 grischka2009-07-18 22:07:25 +020095
96/* on win32, we suppose the lib and includes are at the location of 'tcc.exe' */
88a3ccab grischka2009-12-20 01:53:49 +010097static void tcc_set_lib_path_w32(TCCState *s)
1df662c1 grischka2009-07-18 22:07:25 +020098{
99 char path[1024], *p;
100 GetModuleFileNameA(tcc_module, path, sizeof path);
101 p = tcc_basename(normalize_slashes(strlwr(path)));
102 if (p - 5 > path && 0 == strncmp(p - 5, "/bin/", 5))
103 p -= 5;
104 else if (p > path)
105 p--;
106 *p = 0;
107 tcc_set_lib_path(s, path);
108}
109
7a477d70 grischka2013-02-06 19:01:07 +0100110#ifdef TCC_TARGET_PE
df9cce24 grischka2011-08-01 01:10:36 +0200111static void tcc_add_systemdir(TCCState *s)
112{
113 char buf[1000];
114 GetSystemDirectory(buf, sizeof buf);
74a24d77 grischka2011-08-11 16:55:30 +0200115 tcc_add_library_path(s, normalize_slashes(buf));
df9cce24 grischka2011-08-01 01:10:36 +0200116}
7a477d70 grischka2013-02-06 19:01:07 +0100117#endif
df9cce24 grischka2011-08-01 01:10:36 +0200118
0de95730 grischka2009-12-20 20:33:41 +0100119#ifndef CONFIG_TCC_STATIC
120void dlclose(void *p)
121{
122 FreeLibrary((HMODULE)p);
123}
124#endif
125
1df662c1 grischka2009-07-18 22:07:25 +0200126#ifdef LIBTCC_AS_DLL
df0267b2 minux2014-04-11 23:49:53 -0400127BOOL WINAPI DllMain (HINSTANCE hDll, DWORD dwReason, LPVOID lpReserved)
1df662c1 grischka2009-07-18 22:07:25 +0200128{
129 if (DLL_PROCESS_ATTACH == dwReason)
130 tcc_module = hDll;
131 return TRUE;
132}
133#endif
134#endif
135
136/********************************************************/
9dc9cbf3 grischka2009-05-05 20:18:53 +0200137/* copy a string and truncate it. */
88a3ccab grischka2009-12-20 01:53:49 +0100138PUB_FUNC char *pstrcpy(char *buf, int buf_size, const char *s)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200139{
140 char *q, *q_end;
141 int c;
142
143 if (buf_size > 0) {
144 q = buf;
145 q_end = buf + buf_size - 1;
146 while (q < q_end) {
147 c = *s++;
148 if (c == '\0')
149 break;
150 *q++ = c;
151 }
152 *q = '\0';
153 }
154 return buf;
155}
156
157/* strcat and truncate. */
88a3ccab grischka2009-12-20 01:53:49 +0100158PUB_FUNC char *pstrcat(char *buf, int buf_size, const char *s)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200159{
160 int len;
161 len = strlen(buf);
0650ab01 Joseph Poirier2013-11-08 13:24:15 -0600162 if (len < buf_size)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200163 pstrcpy(buf + len, buf_size - len, s);
164 return buf;
165}
166
df9cce24 grischka2011-08-01 01:10:36 +0200167PUB_FUNC char *pstrncpy(char *out, const char *in, size_t num)
168{
169 memcpy(out, in, num);
170 out[num] = '\0';
171 return out;
172}
173
9dc9cbf3 grischka2009-05-05 20:18:53 +0200174/* extract the basename of a file */
88a3ccab grischka2009-12-20 01:53:49 +0100175PUB_FUNC char *tcc_basename(const char *name)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200176{
177 char *p = strchr(name, 0);
df9cce24 grischka2011-08-01 01:10:36 +0200178 while (p > name && !IS_DIRSEP(p[-1]))
9dc9cbf3 grischka2009-05-05 20:18:53 +0200179 --p;
180 return p;
181}
182
441a089a
KS
Kirill Smelkov2010-06-20 19:17:42 +0400183/* extract extension part of a file
184 *
185 * (if no extension, return pointer to end-of-string)
186 */
88a3ccab grischka2009-12-20 01:53:49 +0100187PUB_FUNC char *tcc_fileextension (const char *name)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200188{
189 char *b = tcc_basename(name);
190 char *e = strrchr(b, '.');
191 return e ? e : strchr(b, 0);
192}
193
88a3ccab grischka2009-12-20 01:53:49 +0100194/********************************************************/
9dc9cbf3 grischka2009-05-05 20:18:53 +0200195/* memory management */
88a3ccab grischka2009-12-20 01:53:49 +0100196
197#undef free
198#undef malloc
199#undef realloc
200
121e95d1 seyko2015-05-12 11:56:39 +0300201#ifndef MEM_DEBUG
9dc9cbf3 grischka2009-05-05 20:18:53 +0200202
88a3ccab grischka2009-12-20 01:53:49 +0100203PUB_FUNC void tcc_free(void *ptr)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200204{
9dc9cbf3 grischka2009-05-05 20:18:53 +0200205 free(ptr);
206}
207
88a3ccab grischka2009-12-20 01:53:49 +0100208PUB_FUNC void *tcc_malloc(unsigned long size)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200209{
210 void *ptr;
211 ptr = malloc(size);
212 if (!ptr && size)
2bd0daab grischka2014-01-06 19:56:26 +0100213 tcc_error("memory full (malloc)");
9dc9cbf3 grischka2009-05-05 20:18:53 +0200214 return ptr;
215}
216
88a3ccab grischka2009-12-20 01:53:49 +0100217PUB_FUNC void *tcc_mallocz(unsigned long size)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200218{
219 void *ptr;
220 ptr = tcc_malloc(size);
221 memset(ptr, 0, size);
222 return ptr;
223}
224
88a3ccab grischka2009-12-20 01:53:49 +0100225PUB_FUNC void *tcc_realloc(void *ptr, unsigned long size)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200226{
227 void *ptr1;
9dc9cbf3 grischka2009-05-05 20:18:53 +0200228 ptr1 = realloc(ptr, size);
f1b5c2ef grischka2012-04-18 18:43:55 +0200229 if (!ptr1 && size)
2bd0daab grischka2014-01-06 19:56:26 +0100230 tcc_error("memory full (realloc)");
9dc9cbf3 grischka2009-05-05 20:18:53 +0200231 return ptr1;
232}
233
88a3ccab grischka2009-12-20 01:53:49 +0100234PUB_FUNC char *tcc_strdup(const char *str)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200235{
236 char *ptr;
237 ptr = tcc_malloc(strlen(str) + 1);
238 strcpy(ptr, str);
239 return ptr;
240}
241
1234becc seyko2015-05-12 16:07:09 +0300242PUB_FUNC void tcc_memstats(int bench)
3db21947 grischka2009-12-19 22:10:26 +0100243{
3db21947 grischka2009-12-19 22:10:26 +0100244}
245
121e95d1 seyko2015-05-12 11:56:39 +0300246#else
247
248#define MEM_DEBUG_MAGIC1 0xFEEDDEB1
249#define MEM_DEBUG_MAGIC2 0xFEEDDEB2
250#define MEM_DEBUG_FILE_LEN 15
251
252struct mem_debug_header {
253 size_t magic1;
254 size_t size;
255 struct mem_debug_header *prev;
256 struct mem_debug_header *next;
257 size_t line_num;
258 char file_name[MEM_DEBUG_FILE_LEN + 1];
259 size_t magic2;
260};
261
262typedef struct mem_debug_header mem_debug_header_t;
263
264static mem_debug_header_t *mem_debug_chain;
265static size_t mem_cur_size;
266static size_t mem_max_size;
267
268PUB_FUNC void *tcc_malloc_debug(unsigned long size, const char *file, int line)
269{
270 void *ptr;
271 mem_debug_header_t *header;
272
273 ptr = malloc(sizeof(mem_debug_header_t) + size);
274 if (!ptr)
275 tcc_error("memory full (malloc)");
276
277 mem_cur_size += size;
278 if (mem_cur_size > mem_max_size)
279 mem_max_size = mem_cur_size;
280
281 header = (mem_debug_header_t *)ptr;
282
283 header->magic1 = MEM_DEBUG_MAGIC1;
284 header->magic2 = MEM_DEBUG_MAGIC2;
285 header->size = size;
286 header->line_num = line;
287
288 strncpy(header->file_name, file, MEM_DEBUG_FILE_LEN);
289 header->file_name[MEM_DEBUG_FILE_LEN] = 0;
290
291 header->next = mem_debug_chain;
292 header->prev = NULL;
293
294 if (header->next)
295 header->next->prev = header;
296
297 mem_debug_chain = header;
298
299 ptr = (char *)ptr + sizeof(mem_debug_header_t);
300 return ptr;
301}
302
303PUB_FUNC void tcc_free_debug(void *ptr)
304{
305 mem_debug_header_t *header;
306
307 if (!ptr)
308 return;
309
310 ptr = (char *)ptr - sizeof(mem_debug_header_t);
311 header = (mem_debug_header_t *)ptr;
312 if (header->magic1 != MEM_DEBUG_MAGIC1 ||
313 header->magic2 != MEM_DEBUG_MAGIC2 ||
314 header->size == (size_t)-1 )
315 {
316 tcc_error("tcc_free check failed");
317 }
318
319 mem_cur_size -= header->size;
320 header->size = (size_t)-1;
89ad24e7 gus knight2015-07-29 16:53:57 -0400321
121e95d1 seyko2015-05-12 11:56:39 +0300322 if (header->next)
323 header->next->prev = header->prev;
324
325 if (header->prev)
326 header->prev->next = header->next;
327
328 if (header == mem_debug_chain)
329 mem_debug_chain = header->next;
330
331 free(ptr);
332}
333
334
335PUB_FUNC void *tcc_mallocz_debug(unsigned long size, const char *file, int line)
336{
337 void *ptr;
338 ptr = tcc_malloc_debug(size,file,line);
339 memset(ptr, 0, size);
340 return ptr;
341}
342
343PUB_FUNC void *tcc_realloc_debug(void *ptr, unsigned long size, const char *file, int line)
344{
345 mem_debug_header_t *header;
346 int mem_debug_chain_update = 0;
347
348 if (!ptr) {
349 ptr = tcc_malloc_debug(size, file, line);
350 return ptr;
351 }
352
353 ptr = (char *)ptr - sizeof(mem_debug_header_t);
354 header = (mem_debug_header_t *)ptr;
355 if (header->magic1 != MEM_DEBUG_MAGIC1 ||
356 header->magic2 != MEM_DEBUG_MAGIC2 ||
357 header->size == (size_t)-1 )
358 {
359 check_error:
360 tcc_error("tcc_realloc check failed");
361 }
362
363 mem_debug_chain_update = (header == mem_debug_chain);
364
365 mem_cur_size -= header->size;
366 ptr = realloc(ptr, sizeof(mem_debug_header_t) + size);
367 if (!ptr)
368 tcc_error("memory full (realloc)");
369
370 header = (mem_debug_header_t *)ptr;
371 if (header->magic1 != MEM_DEBUG_MAGIC1 ||
372 header->magic2 != MEM_DEBUG_MAGIC2)
373 {
374 goto check_error;
375 }
376
377 mem_cur_size += size;
378 if (mem_cur_size > mem_max_size)
379 mem_max_size = mem_cur_size;
380
381 header->size = size;
382 if (header->next)
383 header->next->prev = header;
384
385 if (header->prev)
386 header->prev->next = header;
387
388 if (mem_debug_chain_update)
389 mem_debug_chain = header;
390
391 ptr = (char *)ptr + sizeof(mem_debug_header_t);
392 return ptr;
393}
394
395PUB_FUNC char *tcc_strdup_debug(const char *str, const char *file, int line)
396{
397 char *ptr;
398 ptr = tcc_malloc_debug(strlen(str) + 1, file, line);
399 strcpy(ptr, str);
400 return ptr;
401}
402
1234becc seyko2015-05-12 16:07:09 +0300403PUB_FUNC void tcc_memstats(int bench)
121e95d1 seyko2015-05-12 11:56:39 +0300404{
405 if (mem_cur_size) {
406 mem_debug_header_t *header = mem_debug_chain;
407
408 fprintf(stderr, "MEM_DEBUG: mem_leak= %d bytes, mem_max_size= %d bytes\n",
409 mem_cur_size, mem_max_size);
410
411 while (header) {
412 fprintf(stderr, " file %s, line %u: %u bytes\n",
413 header->file_name, header->line_num, header->size);
414 header = header->next;
415 }
416 }
1234becc seyko2015-05-12 16:07:09 +0300417 else if (bench)
418 fprintf(stderr, "mem_max_size= %d bytes\n", mem_max_size);
121e95d1 seyko2015-05-12 11:56:39 +0300419}
420
421#undef MEM_DEBUG_MAGIC1
422#undef MEM_DEBUG_MAGIC2
423#undef MEM_DEBUG_FILE_LEN
424
425#endif
426
9dc9cbf3 grischka2009-05-05 20:18:53 +0200427#define free(p) use_tcc_free(p)
428#define malloc(s) use_tcc_malloc(s)
429#define realloc(p, s) use_tcc_realloc(p, s)
430
88a3ccab grischka2009-12-20 01:53:49 +0100431/********************************************************/
432/* dynarrays */
433
05108a3b grischka2013-02-12 19:13:28 +0100434ST_FUNC void dynarray_add(void ***ptab, int *nb_ptr, void *data)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200435{
436 int nb, nb_alloc;
437 void **pp;
0650ab01 Joseph Poirier2013-11-08 13:24:15 -0600438
9dc9cbf3 grischka2009-05-05 20:18:53 +0200439 nb = *nb_ptr;
440 pp = *ptab;
441 /* every power of two we double array size */
442 if ((nb & (nb - 1)) == 0) {
443 if (!nb)
444 nb_alloc = 1;
445 else
446 nb_alloc = nb * 2;
447 pp = tcc_realloc(pp, nb_alloc * sizeof(void *));
9dc9cbf3 grischka2009-05-05 20:18:53 +0200448 *ptab = pp;
449 }
450 pp[nb++] = data;
451 *nb_ptr = nb;
452}
453
05108a3b grischka2013-02-12 19:13:28 +0100454ST_FUNC void dynarray_reset(void *pp, int *n)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200455{
456 void **p;
457 for (p = *(void***)pp; *n; ++p, --*n)
458 if (*p)
459 tcc_free(*p);
460 tcc_free(*(void**)pp);
461 *(void**)pp = NULL;
462}
463
df9cce24 grischka2011-08-01 01:10:36 +0200464static void tcc_split_path(TCCState *s, void ***p_ary, int *p_nb_ary, const char *in)
13121e22 Thomas Preud'homme2011-07-08 10:51:26 +0200465{
df9cce24 grischka2011-08-01 01:10:36 +0200466 const char *p;
13121e22 Thomas Preud'homme2011-07-08 10:51:26 +0200467 do {
df9cce24 grischka2011-08-01 01:10:36 +0200468 int c;
469 CString str;
470
471 cstr_new(&str);
81cd0cf6 grischka2011-08-06 16:11:12 +0200472 for (p = in; c = *p, c != '\0' && c != PATHSEP; ++p) {
74a24d77 grischka2011-08-11 16:55:30 +0200473 if (c == '{' && p[1] && p[2] == '}') {
474 c = p[1], p += 2;
475 if (c == 'B')
476 cstr_cat(&str, s->tcc_lib_path);
81cd0cf6 grischka2011-08-06 16:11:12 +0200477 } else {
478 cstr_ccat(&str, c);
df9cce24 grischka2011-08-01 01:10:36 +0200479 }
13121e22 Thomas Preud'homme2011-07-08 10:51:26 +0200480 }
81cd0cf6 grischka2011-08-06 16:11:12 +0200481 cstr_ccat(&str, '\0');
df9cce24 grischka2011-08-01 01:10:36 +0200482 dynarray_add(p_ary, p_nb_ary, str.data);
81cd0cf6 grischka2011-08-06 16:11:12 +0200483 in = p+1;
484 } while (*p);
9dc9cbf3 grischka2009-05-05 20:18:53 +0200485}
486
88a3ccab grischka2009-12-20 01:53:49 +0100487/********************************************************/
9dc9cbf3 grischka2009-05-05 20:18:53 +0200488
88a3ccab grischka2009-12-20 01:53:49 +0100489ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200490{
491 Section *sec;
492
700c2f76 mingodad2014-03-28 20:25:39 +0000493 sec = tcc_mallocz(sizeof(Section) + strlen(name));
9dc9cbf3 grischka2009-05-05 20:18:53 +0200494 strcpy(sec->name, name);
495 sec->sh_type = sh_type;
496 sec->sh_flags = sh_flags;
497 switch(sh_type) {
498 case SHT_HASH:
499 case SHT_REL:
500 case SHT_RELA:
501 case SHT_DYNSYM:
502 case SHT_SYMTAB:
503 case SHT_DYNAMIC:
504 sec->sh_addralign = 4;
505 break;
506 case SHT_STRTAB:
507 sec->sh_addralign = 1;
508 break;
509 default:
510 sec->sh_addralign = 32; /* default conservative alignment */
511 break;
512 }
513
514 if (sh_flags & SHF_PRIVATE) {
515 dynarray_add((void ***)&s1->priv_sections, &s1->nb_priv_sections, sec);
516 } else {
517 sec->sh_num = s1->nb_sections;
518 dynarray_add((void ***)&s1->sections, &s1->nb_sections, sec);
519 }
520
521 return sec;
522}
523
524static void free_section(Section *s)
525{
526 tcc_free(s->data);
527}
528
529/* realloc section and set its content to zero */
88a3ccab grischka2009-12-20 01:53:49 +0100530ST_FUNC void section_realloc(Section *sec, unsigned long new_size)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200531{
532 unsigned long size;
533 unsigned char *data;
0650ab01 Joseph Poirier2013-11-08 13:24:15 -0600534
9dc9cbf3 grischka2009-05-05 20:18:53 +0200535 size = sec->data_allocated;
536 if (size == 0)
537 size = 1;
538 while (size < new_size)
539 size = size * 2;
540 data = tcc_realloc(sec->data, size);
9dc9cbf3 grischka2009-05-05 20:18:53 +0200541 memset(data + sec->data_allocated, 0, size - sec->data_allocated);
542 sec->data = data;
543 sec->data_allocated = size;
544}
545
546/* reserve at least 'size' bytes in section 'sec' from
547 sec->data_offset. */
3b7f5008 seyko2015-03-26 11:28:11 +0300548ST_FUNC void *section_ptr_add(Section *sec, addr_t size)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200549{
acef4ff2 seyko2015-03-26 07:47:45 +0300550 size_t offset, offset1;
9dc9cbf3 grischka2009-05-05 20:18:53 +0200551
552 offset = sec->data_offset;
553 offset1 = offset + size;
554 if (offset1 > sec->data_allocated)
555 section_realloc(sec, offset1);
556 sec->data_offset = offset1;
557 return sec->data + offset;
558}
559
d63ec6f2
AGR
Ali Gholami Rudi2010-02-04 23:08:01 +0330560/* reserve at least 'size' bytes from section start */
561ST_FUNC void section_reserve(Section *sec, unsigned long size)
562{
563 if (size > sec->data_allocated)
564 section_realloc(sec, size);
565 if (size > sec->data_offset)
566 sec->data_offset = size;
567}
568
9dc9cbf3 grischka2009-05-05 20:18:53 +0200569/* return a reference to a section, and create it if it does not
570 exists */
88a3ccab grischka2009-12-20 01:53:49 +0100571ST_FUNC Section *find_section(TCCState *s1, const char *name)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200572{
573 Section *sec;
574 int i;
575 for(i = 1; i < s1->nb_sections; i++) {
576 sec = s1->sections[i];
0650ab01 Joseph Poirier2013-11-08 13:24:15 -0600577 if (!strcmp(name, sec->name))
9dc9cbf3 grischka2009-05-05 20:18:53 +0200578 return sec;
579 }
580 /* sections are created as PROGBITS */
581 return new_section(s1, name, SHT_PROGBITS, SHF_ALLOC);
582}
583
9dc9cbf3 grischka2009-05-05 20:18:53 +0200584/* update sym->c so that it points to an external symbol in section
585 'section' with value 'value' */
0650ab01 Joseph Poirier2013-11-08 13:24:15 -0600586ST_FUNC void put_extern_sym2(Sym *sym, Section *section,
82bcbd02 grischka2013-02-04 16:08:06 +0100587 addr_t value, unsigned long size,
9dc9cbf3 grischka2009-05-05 20:18:53 +0200588 int can_add_underscore)
589{
2341ee51 grischka2010-01-14 20:55:51 +0100590 int sym_type, sym_bind, sh_num, info, other;
9dc9cbf3 grischka2009-05-05 20:18:53 +0200591 ElfW(Sym) *esym;
592 const char *name;
593 char buf1[256];
e7a60e4d seyko2015-04-12 04:47:15 +0300594
595#ifdef CONFIG_TCC_BCHECK
4bb9dd44 seyko2015-04-11 16:22:34 +0300596 char buf[32];
e7a60e4d seyko2015-04-12 04:47:15 +0300597#endif
9dc9cbf3 grischka2009-05-05 20:18:53 +0200598
599 if (section == NULL)
600 sh_num = SHN_UNDEF;
0650ab01 Joseph Poirier2013-11-08 13:24:15 -0600601 else if (section == SECTION_ABS)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200602 sh_num = SHN_ABS;
603 else
604 sh_num = section->sh_num;
605
9dc9cbf3 grischka2009-05-05 20:18:53 +0200606 if ((sym->type.t & VT_BTYPE) == VT_FUNC) {
607 sym_type = STT_FUNC;
b5e22384 grischka2009-12-19 19:12:33 +0100608 } else if ((sym->type.t & VT_BTYPE) == VT_VOID) {
609 sym_type = STT_NOTYPE;
9dc9cbf3 grischka2009-05-05 20:18:53 +0200610 } else {
cf02f920 Thomas Preud'homme2013-11-03 18:55:54 +0800611 sym_type = STT_OBJECT;
9dc9cbf3 grischka2009-05-05 20:18:53 +0200612 }
613
614 if (sym->type.t & VT_STATIC)
615 sym_bind = STB_LOCAL;
95b9a477 Manuel Simoni2010-02-27 17:37:59 +0100616 else {
4d5105c8 Joe Soroka2011-02-01 00:37:53 -0800617 if (sym->type.t & VT_WEAK)
95b9a477
MS
Manuel Simoni2010-02-27 17:37:59 +0100618 sym_bind = STB_WEAK;
619 else
620 sym_bind = STB_GLOBAL;
621 }
9dc9cbf3 grischka2009-05-05 20:18:53 +0200622
623 if (!sym->c) {
32a682b8 Thomas Preud'homme2011-02-07 22:42:38 +0100624 name = get_tok_str(sym->v, NULL);
9dc9cbf3 grischka2009-05-05 20:18:53 +0200625#ifdef CONFIG_TCC_BCHECK
f9181416 grischka2009-05-11 18:45:44 +0200626 if (tcc_state->do_bounds_check) {
9dc9cbf3 grischka2009-05-05 20:18:53 +0200627 /* XXX: avoid doing that for statics ? */
628 /* if bound checking is activated, we change some function
629 names by adding the "__bound" prefix */
630 switch(sym->v) {
7fa712e0 grischka2009-12-19 22:22:43 +0100631#ifdef TCC_TARGET_PE
9dc9cbf3 grischka2009-05-05 20:18:53 +0200632 /* XXX: we rely only on malloc hooks */
0650ab01
JP
Joseph Poirier2013-11-08 13:24:15 -0600633 case TOK_malloc:
634 case TOK_free:
635 case TOK_realloc:
636 case TOK_memalign:
637 case TOK_calloc:
9dc9cbf3 grischka2009-05-05 20:18:53 +0200638#endif
0650ab01 Joseph Poirier2013-11-08 13:24:15 -0600639 case TOK_memcpy:
9dc9cbf3 grischka2009-05-05 20:18:53 +0200640 case TOK_memmove:
641 case TOK_memset:
642 case TOK_strlen:
643 case TOK_strcpy:
110a4edc grischka2009-05-16 22:30:13 +0200644 case TOK_alloca:
9dc9cbf3 grischka2009-05-05 20:18:53 +0200645 strcpy(buf, "__bound_");
646 strcat(buf, name);
647 name = buf;
648 break;
649 }
650 }
651#endif
2341ee51 grischka2010-01-14 20:55:51 +0100652 other = 0;
9dc9cbf3 grischka2009-05-05 20:18:53 +0200653
654#ifdef TCC_TARGET_PE
2341ee51 grischka2010-01-14 20:55:51 +0100655 if (sym->type.t & VT_EXPORT)
2ac238fc grischka2014-04-17 17:01:28 +0200656 other |= ST_PE_EXPORT;
2341ee51 grischka2010-01-14 20:55:51 +0100657 if (sym_type == STT_FUNC && sym->type.ref) {
3fe2a95d grischka2014-01-07 14:57:07 +0100658 Sym *ref = sym->type.ref;
659 if (ref->a.func_export)
2ac238fc grischka2014-04-17 17:01:28 +0200660 other |= ST_PE_EXPORT;
3fe2a95d grischka2014-01-07 14:57:07 +0100661 if (ref->a.func_call == FUNC_STDCALL && can_add_underscore) {
662 sprintf(buf1, "_%s@%d", name, ref->a.func_args * PTR_SIZE);
2341ee51 grischka2010-01-14 20:55:51 +0100663 name = buf1;
2ac238fc grischka2014-04-17 17:01:28 +0200664 other |= ST_PE_STDCALL;
2341ee51 grischka2010-01-14 20:55:51 +0100665 can_add_underscore = 0;
666 }
667 } else {
668 if (find_elf_sym(tcc_state->dynsymtab_section, name))
2ac238fc grischka2014-04-17 17:01:28 +0200669 other |= ST_PE_IMPORT;
2341ee51 grischka2010-01-14 20:55:51 +0100670 if (sym->type.t & VT_IMPORT)
2ac238fc grischka2014-04-17 17:01:28 +0200671 other |= ST_PE_IMPORT;
2341ee51 grischka2010-01-14 20:55:51 +0100672 }
a9fda392
MM
Michael Matz2014-04-14 03:33:50 +0200673#else
674 if (! (sym->type.t & VT_STATIC))
89ad24e7 gus knight2015-07-29 16:53:57 -0400675 other = (sym->type.t & VT_VIS_MASK) >> VT_VIS_SHIFT;
9dc9cbf3 grischka2009-05-05 20:18:53 +0200676#endif
677 if (tcc_state->leading_underscore && can_add_underscore) {
678 buf1[0] = '_';
679 pstrcpy(buf1 + 1, sizeof(buf1) - 1, name);
680 name = buf1;
681 }
32a682b8
TP
Thomas Preud'homme2011-02-07 22:42:38 +0100682 if (sym->asm_label) {
683 name = sym->asm_label;
684 }
9dc9cbf3 grischka2009-05-05 20:18:53 +0200685 info = ELFW(ST_INFO)(sym_bind, sym_type);
686 sym->c = add_elf_sym(symtab_section, value, size, info, other, sh_num, name);
687 } else {
688 esym = &((ElfW(Sym) *)symtab_section->data)[sym->c];
689 esym->st_value = value;
690 esym->st_size = size;
691 esym->st_shndx = sh_num;
9dc9cbf3 grischka2009-05-05 20:18:53 +0200692 }
693}
694
0650ab01 Joseph Poirier2013-11-08 13:24:15 -0600695ST_FUNC void put_extern_sym(Sym *sym, Section *section,
82bcbd02 grischka2013-02-04 16:08:06 +0100696 addr_t value, unsigned long size)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200697{
698 put_extern_sym2(sym, section, value, size, 1);
699}
700
701/* add a new relocation entry to symbol 'sym' in section 's' */
738606db Edmund Grimley Evans2015-02-21 21:29:03 +0000702ST_FUNC void greloca(Section *s, Sym *sym, unsigned long offset, int type,
8f639006 seyko2015-03-23 19:24:55 +0300703 addr_t addend)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200704{
1308e8eb grischka2009-12-19 22:08:37 +0100705 int c = 0;
706 if (sym) {
707 if (0 == sym->c)
708 put_extern_sym(sym, NULL, 0, 0);
709 c = sym->c;
710 }
9dc9cbf3 grischka2009-05-05 20:18:53 +0200711 /* now we can add ELF relocation info */
738606db
EGE
Edmund Grimley Evans2015-02-21 21:29:03 +0000712 put_elf_reloca(symtab_section, s, offset, type, c, addend);
713}
714
715ST_FUNC void greloc(Section *s, Sym *sym, unsigned long offset, int type)
716{
717 greloca(s, sym, offset, type, 0);
9dc9cbf3 grischka2009-05-05 20:18:53 +0200718}
719
88a3ccab grischka2009-12-20 01:53:49 +0100720/********************************************************/
721
9dc9cbf3 grischka2009-05-05 20:18:53 +0200722static void strcat_vprintf(char *buf, int buf_size, const char *fmt, va_list ap)
723{
724 int len;
725 len = strlen(buf);
726 vsnprintf(buf + len, buf_size - len, fmt, ap);
727}
728
729static void strcat_printf(char *buf, int buf_size, const char *fmt, ...)
730{
731 va_list ap;
732 va_start(ap, fmt);
733 strcat_vprintf(buf, buf_size, fmt, ap);
734 va_end(ap);
735}
736
88a3ccab grischka2009-12-20 01:53:49 +0100737static void error1(TCCState *s1, int is_warning, const char *fmt, va_list ap)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200738{
739 char buf[2048];
944627c4 grischka2013-02-14 06:53:07 +0100740 BufferedFile **pf, *f;
0650ab01 Joseph Poirier2013-11-08 13:24:15 -0600741
9dc9cbf3 grischka2009-05-05 20:18:53 +0200742 buf[0] = '\0';
944627c4 grischka2013-02-14 06:53:07 +0100743 /* use upper file if inline ":asm:" or token ":paste:" */
0db7f616
UJ
Urs Janssen2013-02-18 15:44:18 +0100744 for (f = file; f && f->filename[0] == ':'; f = f->prev)
745 ;
944627c4 grischka2013-02-14 06:53:07 +0100746 if (f) {
747 for(pf = s1->include_stack; pf < s1->include_stack_ptr; pf++)
748 strcat_printf(buf, sizeof(buf), "In file included from %s:%d:\n",
749 (*pf)->filename, (*pf)->line_num);
750 if (f->line_num > 0) {
751 strcat_printf(buf, sizeof(buf), "%s:%d: ",
752 f->filename, f->line_num);
9dc9cbf3 grischka2009-05-05 20:18:53 +0200753 } else {
944627c4 grischka2013-02-14 06:53:07 +0100754 strcat_printf(buf, sizeof(buf), "%s: ",
755 f->filename);
9dc9cbf3 grischka2009-05-05 20:18:53 +0200756 }
757 } else {
944627c4 grischka2013-02-14 06:53:07 +0100758 strcat_printf(buf, sizeof(buf), "tcc: ");
9dc9cbf3 grischka2009-05-05 20:18:53 +0200759 }
760 if (is_warning)
761 strcat_printf(buf, sizeof(buf), "warning: ");
ec54c34b grischka2009-06-17 02:10:56 +0200762 else
763 strcat_printf(buf, sizeof(buf), "error: ");
9dc9cbf3 grischka2009-05-05 20:18:53 +0200764 strcat_vprintf(buf, sizeof(buf), fmt, ap);
765
766 if (!s1->error_func) {
767 /* default case: stderr */
30df3189 grischka2015-05-09 14:29:39 +0200768 if (s1->ppfp) /* print a newline during tcc -E */
769 fprintf(s1->ppfp, "\n"), fflush(s1->ppfp);
9dc9cbf3 grischka2009-05-05 20:18:53 +0200770 fprintf(stderr, "%s\n", buf);
30df3189 grischka2015-05-09 14:29:39 +0200771 fflush(stderr); /* print error/warning now (win32) */
9dc9cbf3 grischka2009-05-05 20:18:53 +0200772 } else {
773 s1->error_func(s1->error_opaque, buf);
774 }
775 if (!is_warning || s1->warn_error)
776 s1->nb_errors++;
777}
778
88a3ccab grischka2009-12-20 01:53:49 +0100779LIBTCCAPI void tcc_set_error_func(TCCState *s, void *error_opaque,
9dc9cbf3 grischka2009-05-05 20:18:53 +0200780 void (*error_func)(void *opaque, const char *msg))
781{
782 s->error_opaque = error_opaque;
783 s->error_func = error_func;
784}
9dc9cbf3 grischka2009-05-05 20:18:53 +0200785
786/* error without aborting current compilation */
bf374a5f grischka2011-08-11 17:07:56 +0200787PUB_FUNC void tcc_error_noabort(const char *fmt, ...)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200788{
789 TCCState *s1 = tcc_state;
790 va_list ap;
791
792 va_start(ap, fmt);
793 error1(s1, 0, fmt, ap);
794 va_end(ap);
795}
796
bf374a5f grischka2011-08-11 17:07:56 +0200797PUB_FUNC void tcc_error(const char *fmt, ...)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200798{
799 TCCState *s1 = tcc_state;
800 va_list ap;
801
802 va_start(ap, fmt);
803 error1(s1, 0, fmt, ap);
804 va_end(ap);
805 /* better than nothing: in some cases, we accept to handle errors */
806 if (s1->error_set_jmp_enabled) {
807 longjmp(s1->error_jmp_buf, 1);
808 } else {
809 /* XXX: eliminate this someday */
810 exit(1);
811 }
812}
813
bf374a5f grischka2011-08-11 17:07:56 +0200814PUB_FUNC void tcc_warning(const char *fmt, ...)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200815{
816 TCCState *s1 = tcc_state;
817 va_list ap;
818
819 if (s1->warn_none)
820 return;
821
822 va_start(ap, fmt);
823 error1(s1, 1, fmt, ap);
824 va_end(ap);
825}
826
88a3ccab grischka2009-12-20 01:53:49 +0100827/********************************************************/
9dc9cbf3 grischka2009-05-05 20:18:53 +0200828/* I/O layer */
829
e97bf88b grischka2010-11-25 13:29:15 +0100830ST_FUNC void tcc_open_bf(TCCState *s1, const char *filename, int initlen)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200831{
9dc9cbf3 grischka2009-05-05 20:18:53 +0200832 BufferedFile *bf;
e97bf88b grischka2010-11-25 13:29:15 +0100833 int buflen = initlen ? initlen : IO_BUF_SIZE;
9dc9cbf3 grischka2009-05-05 20:18:53 +0200834
30df3189 grischka2015-05-09 14:29:39 +0200835 bf = tcc_mallocz(sizeof(BufferedFile) + buflen);
9dc9cbf3 grischka2009-05-05 20:18:53 +0200836 bf->buf_ptr = bf->buffer;
e97bf88b grischka2010-11-25 13:29:15 +0100837 bf->buf_end = bf->buffer + initlen;
838 bf->buf_end[0] = CH_EOB; /* put eob symbol */
9dc9cbf3 grischka2009-05-05 20:18:53 +0200839 pstrcpy(bf->filename, sizeof(bf->filename), filename);
840#ifdef _WIN32
841 normalize_slashes(bf->filename);
842#endif
843 bf->line_num = 1;
9dc9cbf3 grischka2009-05-05 20:18:53 +0200844 bf->ifdef_stack_ptr = s1->ifdef_stack_ptr;
8c56b0cf Thomas Preud'homme2013-01-14 17:34:07 +0100845 bf->fd = -1;
e97bf88b grischka2010-11-25 13:29:15 +0100846 bf->prev = file;
847 file = bf;
9dc9cbf3 grischka2009-05-05 20:18:53 +0200848}
849
e97bf88b grischka2010-11-25 13:29:15 +0100850ST_FUNC void tcc_close(void)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200851{
e97bf88b grischka2010-11-25 13:29:15 +0100852 BufferedFile *bf = file;
8c56b0cf
TP
Thomas Preud'homme2013-01-14 17:34:07 +0100853 if (bf->fd > 0) {
854 close(bf->fd);
e97bf88b grischka2010-11-25 13:29:15 +0100855 total_lines += bf->line_num;
856 }
857 file = bf->prev;
9dc9cbf3 grischka2009-05-05 20:18:53 +0200858 tcc_free(bf);
859}
860
8c56b0cf Thomas Preud'homme2013-01-14 17:34:07 +0100861ST_FUNC int tcc_open(TCCState *s1, const char *filename)
e97bf88b grischka2010-11-25 13:29:15 +0100862{
8c56b0cf
TP
Thomas Preud'homme2013-01-14 17:34:07 +0100863 int fd;
864 if (strcmp(filename, "-") == 0)
30df3189 grischka2015-05-09 14:29:39 +0200865 fd = 0, filename = "<stdin>";
e97bf88b grischka2010-11-25 13:29:15 +0100866 else
8c56b0cf
TP
Thomas Preud'homme2013-01-14 17:34:07 +0100867 fd = open(filename, O_RDONLY | O_BINARY);
868 if ((s1->verbose == 2 && fd >= 0) || s1->verbose == 3)
869 printf("%s %*s%s\n", fd < 0 ? "nf":"->",
e97bf88b grischka2010-11-25 13:29:15 +0100870 (int)(s1->include_stack_ptr - s1->include_stack), "", filename);
8c56b0cf
TP
Thomas Preud'homme2013-01-14 17:34:07 +0100871 if (fd < 0)
872 return -1;
e97bf88b grischka2010-11-25 13:29:15 +0100873
874 tcc_open_bf(s1, filename, 0);
875 file->fd = fd;
876 return fd;
877}
878
9dc9cbf3 grischka2009-05-05 20:18:53 +0200879/* compile the C file opened in 'file'. Return non zero if errors. */
880static int tcc_compile(TCCState *s1)
881{
882 Sym *define_start;
883 char buf[512];
884 volatile int section_sym;
885
886#ifdef INC_DEBUG
887 printf("%s: **** new file\n", file->filename);
888#endif
889 preprocess_init(s1);
890
891 cur_text_section = NULL;
892 funcname = "";
0650ab01 Joseph Poirier2013-11-08 13:24:15 -0600893 anon_sym = SYM_FIRST_ANOM;
9dc9cbf3 grischka2009-05-05 20:18:53 +0200894
895 /* file info: full path + filename */
896 section_sym = 0; /* avoid warning */
f9181416 grischka2009-05-11 18:45:44 +0200897 if (s1->do_debug) {
0650ab01
JP
Joseph Poirier2013-11-08 13:24:15 -0600898 section_sym = put_elf_sym(symtab_section, 0, 0,
899 ELFW(ST_INFO)(STB_LOCAL, STT_SECTION), 0,
9dc9cbf3 grischka2009-05-05 20:18:53 +0200900 text_section->sh_num, NULL);
901 getcwd(buf, sizeof(buf));
902#ifdef _WIN32
903 normalize_slashes(buf);
904#endif
905 pstrcat(buf, sizeof(buf), "/");
0650ab01 Joseph Poirier2013-11-08 13:24:15 -0600906 put_stabs_r(buf, N_SO, 0, 0,
9dc9cbf3 grischka2009-05-05 20:18:53 +0200907 text_section->data_offset, text_section, section_sym);
0650ab01 Joseph Poirier2013-11-08 13:24:15 -0600908 put_stabs_r(file->filename, N_SO, 0, 0,
9dc9cbf3 grischka2009-05-05 20:18:53 +0200909 text_section->data_offset, text_section, section_sym);
910 }
911 /* an elf symbol of type STT_FILE must be put so that STB_LOCAL
912 symbols can be safely used */
0650ab01
JP
Joseph Poirier2013-11-08 13:24:15 -0600913 put_elf_sym(symtab_section, 0, 0,
914 ELFW(ST_INFO)(STB_LOCAL, STT_FILE), 0,
9dc9cbf3 grischka2009-05-05 20:18:53 +0200915 SHN_ABS, file->filename);
916
917 /* define some often used types */
918 int_type.t = VT_INT;
919
920 char_pointer_type.t = VT_BYTE;
921 mk_pointer(&char_pointer_type);
922
718fd591
MM
Michael Matz2012-04-16 01:13:25 +0200923#if PTR_SIZE == 4
924 size_type.t = VT_INT;
925#else
926 size_type.t = VT_LLONG;
927#endif
928
9dc9cbf3 grischka2009-05-05 20:18:53 +0200929 func_old_type.t = VT_FUNC;
930 func_old_type.ref = sym_push(SYM_FIELD, &int_type, FUNC_CDECL, FUNC_OLD);
d6d7686b grischka2013-02-08 19:07:11 +0100931#ifdef TCC_TARGET_ARM
b6247d1f Thomas Preud'homme2014-01-07 15:23:54 +0800932 arm_init(s1);
9dc9cbf3 grischka2009-05-05 20:18:53 +0200933#endif
934
935#if 0
936 /* define 'void *alloca(unsigned int)' builtin function */
937 {
938 Sym *s1;
939
940 p = anon_sym++;
941 sym = sym_push(p, mk_pointer(VT_VOID), FUNC_CDECL, FUNC_NEW);
942 s1 = sym_push(SYM_FIELD, VT_UNSIGNED | VT_INT, 0, 0);
943 s1->next = NULL;
944 sym->next = s1;
945 sym_push(TOK_alloca, VT_FUNC | (p << VT_STRUCT_SHIFT), VT_CONST, 0);
946 }
947#endif
948
949 define_start = define_stack;
c45a8695 seyko2015-03-03 15:44:29 +0300950 nocode_wanted = 1;
9dc9cbf3 grischka2009-05-05 20:18:53 +0200951
952 if (setjmp(s1->error_jmp_buf) == 0) {
953 s1->nb_errors = 0;
954 s1->error_set_jmp_enabled = 1;
955
956 ch = file->buf_ptr[0];
957 tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF;
30df3189 grischka2015-05-09 14:29:39 +0200958 parse_flags = PARSE_FLAG_PREPROCESS | PARSE_FLAG_TOK_NUM | PARSE_FLAG_TOK_STR;
9dc9cbf3 grischka2009-05-05 20:18:53 +0200959 next();
960 decl(VT_CONST);
961 if (tok != TOK_EOF)
962 expect("declaration");
30df3189 grischka2015-05-09 14:29:39 +0200963 check_vstack();
9dc9cbf3 grischka2009-05-05 20:18:53 +0200964
965 /* end of translation unit info */
f9181416 grischka2009-05-11 18:45:44 +0200966 if (s1->do_debug) {
0650ab01 Joseph Poirier2013-11-08 13:24:15 -0600967 put_stabs_r(NULL, N_SO, 0, 0,
9dc9cbf3 grischka2009-05-05 20:18:53 +0200968 text_section->data_offset, text_section, section_sym);
969 }
970 }
48d81a79 Joe Soroka2011-04-14 01:02:42 -0700971
9dc9cbf3 grischka2009-05-05 20:18:53 +0200972 s1->error_set_jmp_enabled = 0;
973
974 /* reset define stack, but leave -Dsymbols (may be incorrect if
975 they are undefined) */
0650ab01 Joseph Poirier2013-11-08 13:24:15 -0600976 free_defines(define_start);
9dc9cbf3 grischka2009-05-05 20:18:53 +0200977
978 gen_inline_functions();
979
980 sym_pop(&global_stack, NULL);
981 sym_pop(&local_stack, NULL);
982
983 return s1->nb_errors != 0 ? -1 : 0;
984}
985
8c56b0cf Thomas Preud'homme2013-01-14 17:34:07 +0100986LIBTCCAPI int tcc_compile_string(TCCState *s, const char *str)
9dc9cbf3 grischka2009-05-05 20:18:53 +0200987{
e97bf88b grischka2010-11-25 13:29:15 +0100988 int len, ret;
9dc9cbf3 grischka2009-05-05 20:18:53 +0200989
30df3189 grischka2015-05-09 14:29:39 +0200990 len = strlen(str);
8c56b0cf Thomas Preud'homme2013-01-14 17:34:07 +0100991 tcc_open_bf(s, "<string>", len);
e97bf88b grischka2010-11-25 13:29:15 +0100992 memcpy(file->buffer, str, len);
993 ret = tcc_compile(s);
994 tcc_close();
9dc9cbf3 grischka2009-05-05 20:18:53 +0200995 return ret;
996}
9dc9cbf3 grischka2009-05-05 20:18:53 +0200997
998/* define a preprocessor symbol. A value can also be provided with the '=' operator */
88a3ccab grischka2009-12-20 01:53:49 +0100999LIBTCCAPI void tcc_define_symbol(TCCState *s1, const char *sym, const char *value)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001000{
e97bf88b grischka2010-11-25 13:29:15 +01001001 int len1, len2;
9dc9cbf3 grischka2009-05-05 20:18:53 +02001002 /* default value */
e97bf88b grischka2010-11-25 13:29:15 +01001003 if (!value)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001004 value = "1";
e97bf88b grischka2010-11-25 13:29:15 +01001005 len1 = strlen(sym);
1006 len2 = strlen(value);
1007
9dc9cbf3 grischka2009-05-05 20:18:53 +02001008 /* init file structure */
e97bf88b grischka2010-11-25 13:29:15 +01001009 tcc_open_bf(s1, "<define>", len1 + len2 + 1);
1010 memcpy(file->buffer, sym, len1);
1011 file->buffer[len1] = ' ';
1012 memcpy(file->buffer + len1 + 1, value, len2);
9dc9cbf3 grischka2009-05-05 20:18:53 +02001013
1014 /* parse with define parser */
1015 ch = file->buf_ptr[0];
1016 next_nomacro();
1017 parse_define();
e97bf88b grischka2010-11-25 13:29:15 +01001018
1019 tcc_close();
9dc9cbf3 grischka2009-05-05 20:18:53 +02001020}
1021
1022/* undefine a preprocessor symbol */
88a3ccab grischka2009-12-20 01:53:49 +01001023LIBTCCAPI void tcc_undefine_symbol(TCCState *s1, const char *sym)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001024{
1025 TokenSym *ts;
1026 Sym *s;
1027 ts = tok_alloc(sym, strlen(sym));
1028 s = define_find(ts->tok);
1029 /* undefine symbol by putting an invalid name */
1030 if (s)
1031 define_undef(s);
1032}
1033
05108a3b grischka2013-02-12 19:13:28 +01001034/* cleanup all static data used during compilation */
9dc9cbf3 grischka2009-05-05 20:18:53 +02001035static void tcc_cleanup(void)
1036{
9dc9cbf3 grischka2009-05-05 20:18:53 +02001037 if (NULL == tcc_state)
1038 return;
1039 tcc_state = NULL;
1040
30df3189 grischka2015-05-09 14:29:39 +02001041 preprocess_delete();
9dc9cbf3 grischka2009-05-05 20:18:53 +02001042
1043 /* free sym_pools */
1044 dynarray_reset(&sym_pools, &nb_sym_pools);
1045 /* string buffer */
1046 cstr_free(&tokcstr);
1047 /* reset symbol stack */
1048 sym_free_first = NULL;
9dc9cbf3 grischka2009-05-05 20:18:53 +02001049}
1050
88a3ccab grischka2009-12-20 01:53:49 +01001051LIBTCCAPI TCCState *tcc_new(void)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001052{
9dc9cbf3 grischka2009-05-05 20:18:53 +02001053 TCCState *s;
dd70d192 grischka2009-05-25 02:07:30 +02001054 char buffer[100];
1055 int a,b,c;
9dc9cbf3 grischka2009-05-05 20:18:53 +02001056
1057 tcc_cleanup();
1058
1059 s = tcc_mallocz(sizeof(TCCState));
1060 if (!s)
1061 return NULL;
1062 tcc_state = s;
94ae3984 grischka2009-07-18 22:07:33 +02001063#ifdef _WIN32
1064 tcc_set_lib_path_w32(s);
1065#else
1066 tcc_set_lib_path(s, CONFIG_TCCDIR);
1067#endif
c334b591 seyko2015-01-06 22:19:45 +03001068 s->output_type = 0;
b8f6e1ae grischka2009-05-05 20:30:39 +02001069 preprocess_new();
c4eef480 grischka2010-11-26 20:46:25 +01001070 s->include_stack_ptr = s->include_stack;
9dc9cbf3 grischka2009-05-05 20:18:53 +02001071
1072 /* we add dummy defines for some special macros to speed up tests
1073 and to have working defined() */
1074 define_push(TOK___LINE__, MACRO_OBJ, NULL, NULL);
1075 define_push(TOK___FILE__, MACRO_OBJ, NULL, NULL);
1076 define_push(TOK___DATE__, MACRO_OBJ, NULL, NULL);
1077 define_push(TOK___TIME__, MACRO_OBJ, NULL, NULL);
1078
05108a3b grischka2013-02-12 19:13:28 +01001079 /* define __TINYC__ 92X */
1080 sscanf(TCC_VERSION, "%d.%d.%d", &a, &b, &c);
1081 sprintf(buffer, "%d", a*10000 + b*100 + c);
1082 tcc_define_symbol(s, "__TINYC__", buffer);
1083
9dc9cbf3 grischka2009-05-05 20:18:53 +02001084 /* standard defines */
1085 tcc_define_symbol(s, "__STDC__", NULL);
1086 tcc_define_symbol(s, "__STDC_VERSION__", "199901L");
0db7f616 Urs Janssen2013-02-18 15:44:18 +01001087 tcc_define_symbol(s, "__STDC_HOSTED__", NULL);
05108a3b grischka2013-02-12 19:13:28 +01001088
1089 /* target defines */
9dc9cbf3 grischka2009-05-05 20:18:53 +02001090#if defined(TCC_TARGET_I386)
e20bf69a grischka2010-01-14 20:56:35 +01001091 tcc_define_symbol(s, "__i386__", NULL);
1092 tcc_define_symbol(s, "__i386", NULL);
1093 tcc_define_symbol(s, "i386", NULL);
05108a3b grischka2013-02-12 19:13:28 +01001094#elif defined(TCC_TARGET_X86_64)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001095 tcc_define_symbol(s, "__x86_64__", NULL);
05108a3b grischka2013-02-12 19:13:28 +01001096#elif defined(TCC_TARGET_ARM)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001097 tcc_define_symbol(s, "__ARM_ARCH_4__", NULL);
1098 tcc_define_symbol(s, "__arm_elf__", NULL);
1099 tcc_define_symbol(s, "__arm_elf", NULL);
1100 tcc_define_symbol(s, "arm_elf", NULL);
1101 tcc_define_symbol(s, "__arm__", NULL);
1102 tcc_define_symbol(s, "__arm", NULL);
1103 tcc_define_symbol(s, "arm", NULL);
1104 tcc_define_symbol(s, "__APCS_32__", NULL);
3676f619
TP
Thomas Preud'homme2013-11-26 12:06:21 +08001105 tcc_define_symbol(s, "__ARMEL__", NULL);
1106#if defined(TCC_ARM_EABI)
1107 tcc_define_symbol(s, "__ARM_EABI__", NULL);
b6247d1f Thomas Preud'homme2014-01-07 15:23:54 +08001108#endif
37b03489 Thomas Preud'homme2013-06-11 18:13:04 +02001109#if defined(TCC_ARM_HARDFLOAT)
b6247d1f Thomas Preud'homme2014-01-07 15:23:54 +08001110 s->float_abi = ARM_HARD_FLOAT;
37b03489 Thomas Preud'homme2013-06-11 18:13:04 +02001111 tcc_define_symbol(s, "__ARM_PCS_VFP", NULL);
b6247d1f
TP
Thomas Preud'homme2014-01-07 15:23:54 +08001112#else
1113 s->float_abi = ARM_SOFTFP_FLOAT;
9dc9cbf3 grischka2009-05-05 20:18:53 +02001114#endif
b14ef0e2
EGE
Edmund Grimley Evans2015-02-13 18:58:31 +00001115#elif defined(TCC_TARGET_ARM64)
1116 tcc_define_symbol(s, "__aarch64__", NULL);
3676f619 Thomas Preud'homme2013-11-26 12:06:21 +08001117#endif
05108a3b grischka2013-02-12 19:13:28 +01001118
9dc9cbf3 grischka2009-05-05 20:18:53 +02001119#ifdef TCC_TARGET_PE
1120 tcc_define_symbol(s, "_WIN32", NULL);
05108a3b grischka2013-02-12 19:13:28 +01001121# ifdef TCC_TARGET_X86_64
3ea4acb9 grischka2009-07-18 22:05:27 +02001122 tcc_define_symbol(s, "_WIN64", NULL);
05108a3b grischka2013-02-12 19:13:28 +01001123# endif
9dc9cbf3 grischka2009-05-05 20:18:53 +02001124#else
e20bf69a grischka2010-01-14 20:56:35 +01001125 tcc_define_symbol(s, "__unix__", NULL);
1126 tcc_define_symbol(s, "__unix", NULL);
1127 tcc_define_symbol(s, "unix", NULL);
05108a3b grischka2013-02-12 19:13:28 +01001128# if defined(__linux)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001129 tcc_define_symbol(s, "__linux__", NULL);
1130 tcc_define_symbol(s, "__linux", NULL);
05108a3b grischka2013-02-12 19:13:28 +01001131# endif
1132# if defined(__FreeBSD__)
1133# define str(s) #s
1134 tcc_define_symbol(s, "__FreeBSD__", str( __FreeBSD__));
1135# undef str
1136# endif
1137# if defined(__FreeBSD_kernel__)
1138 tcc_define_symbol(s, "__FreeBSD_kernel__", NULL);
1139# endif
9dc9cbf3 grischka2009-05-05 20:18:53 +02001140#endif
9dc9cbf3 grischka2009-05-05 20:18:53 +02001141
05108a3b grischka2013-02-12 19:13:28 +01001142 /* TinyCC & gcc defines */
e20bf69a grischka2010-01-14 20:56:35 +01001143#if defined TCC_TARGET_PE && defined TCC_TARGET_X86_64
1144 tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long long");
1145 tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long long");
1146#else
3a138012
SH
Shinichiro Hamaji2009-07-19 04:26:19 +09001147 tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned long");
1148 tcc_define_symbol(s, "__PTRDIFF_TYPE__", "long");
e20bf69a grischka2010-01-14 20:56:35 +01001149#endif
1150
9dc9cbf3 grischka2009-05-05 20:18:53 +02001151#ifdef TCC_TARGET_PE
1152 tcc_define_symbol(s, "__WCHAR_TYPE__", "unsigned short");
0961a384 Michael Matz2014-04-07 00:26:36 +02001153 tcc_define_symbol(s, "__WINT_TYPE__", "unsigned short");
9dc9cbf3 grischka2009-05-05 20:18:53 +02001154#else
1155 tcc_define_symbol(s, "__WCHAR_TYPE__", "int");
0961a384
MM
Michael Matz2014-04-07 00:26:36 +02001156 /* wint_t is unsigned int by default, but (signed) int on BSDs
1157 and unsigned short on windows. Other OSes might have still
1158 other conventions, sigh. */
1159#if defined(__FreeBSD__) || defined (__FreeBSD_kernel__)
1160 tcc_define_symbol(s, "__WINT_TYPE__", "int");
1161#else
1162 tcc_define_symbol(s, "__WINT_TYPE__", "unsigned int");
1163#endif
9dc9cbf3 grischka2009-05-05 20:18:53 +02001164#endif
2596273f Thomas Preud'homme2010-09-11 17:57:15 +02001165
05108a3b grischka2013-02-12 19:13:28 +01001166#ifndef TCC_TARGET_PE
2596273f Thomas Preud'homme2010-09-11 17:57:15 +02001167 /* glibc defines */
e343b1df Ramsay Jones2012-02-12 22:27:26 +00001168 tcc_define_symbol(s, "__REDIRECT(name, proto, alias)", "name proto __asm__ (#alias)");
2596273f Thomas Preud'homme2010-09-11 17:57:15 +02001169 tcc_define_symbol(s, "__REDIRECT_NTH(name, proto, alias)", "name proto __asm__ (#alias) __THROW");
e844fb11 grischka2011-08-06 16:49:30 +02001170 /* paths for crt objects */
1171 tcc_split_path(s, (void ***)&s->crt_paths, &s->nb_crt_paths, CONFIG_TCC_CRTPREFIX);
9dc9cbf3 grischka2009-05-05 20:18:53 +02001172#endif
1173
1174 /* no section zero */
1175 dynarray_add((void ***)&s->sections, &s->nb_sections, NULL);
1176
1177 /* create standard sections */
1178 text_section = new_section(s, ".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR);
1179 data_section = new_section(s, ".data", SHT_PROGBITS, SHF_ALLOC | SHF_WRITE);
1180 bss_section = new_section(s, ".bss", SHT_NOBITS, SHF_ALLOC | SHF_WRITE);
1181
1182 /* symbols are always generated for linking stage */
1183 symtab_section = new_symtab(s, ".symtab", SHT_SYMTAB, 0,
1184 ".strtab",
0650ab01 Joseph Poirier2013-11-08 13:24:15 -06001185 ".hashtab", SHF_PRIVATE);
9dc9cbf3 grischka2009-05-05 20:18:53 +02001186 strtab_section = symtab_section->link;
f98c2306 grischka2012-04-18 18:48:26 +02001187 s->symtab = symtab_section;
0650ab01 Joseph Poirier2013-11-08 13:24:15 -06001188
9dc9cbf3 grischka2009-05-05 20:18:53 +02001189 /* private symbol table for dynamic symbols */
1190 s->dynsymtab_section = new_symtab(s, ".dynsymtab", SHT_SYMTAB, SHF_PRIVATE,
0650ab01 Joseph Poirier2013-11-08 13:24:15 -06001191 ".dynstrtab",
9dc9cbf3 grischka2009-05-05 20:18:53 +02001192 ".dynhashtab", SHF_PRIVATE);
1193 s->alacarte_link = 1;
88a3ccab grischka2009-12-20 01:53:49 +01001194 s->nocommon = 1;
b5f88b59 seyko2015-03-03 16:32:25 +03001195 s->warn_implicit_function_declaration = 1;
9dc9cbf3 grischka2009-05-05 20:18:53 +02001196
1197#ifdef CHAR_IS_UNSIGNED
1198 s->char_is_unsigned = 1;
1199#endif
a3ebdd0a grischka2011-02-13 17:41:05 +01001200 /* enable this if you want symbols with leading underscore on windows: */
0bdbd49e Urs Janssen2013-02-17 00:48:51 +01001201#if 0 /* def TCC_TARGET_PE */
9dc9cbf3 grischka2009-05-05 20:18:53 +02001202 s->leading_underscore = 1;
1203#endif
0d768b97
FF
Frederic Feret2009-08-27 09:34:35 +02001204#ifdef TCC_TARGET_I386
1205 s->seg_size = 32;
1206#endif
0650ab01 Joseph Poirier2013-11-08 13:24:15 -06001207#ifdef TCC_IS_NATIVE
73faaea2 grischka2013-08-28 22:55:05 +02001208 s->runtime_main = "main";
0650ab01 Joseph Poirier2013-11-08 13:24:15 -06001209#endif
9dc9cbf3 grischka2009-05-05 20:18:53 +02001210 return s;
1211}
1212
88a3ccab grischka2009-12-20 01:53:49 +01001213LIBTCCAPI void tcc_delete(TCCState *s1)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001214{
1215 int i;
1234becc seyko2015-05-12 16:07:09 +03001216 int bench = s1->do_bench;
9dc9cbf3 grischka2009-05-05 20:18:53 +02001217
1218 tcc_cleanup();
1219
06e0753f seyko2015-05-12 21:32:32 +03001220 /* close a preprocessor output */
1221 if (s1->ppfp && s1->ppfp != stdout)
1222 fclose(s1->ppfp);
1223
9dc9cbf3 grischka2009-05-05 20:18:53 +02001224 /* free all sections */
1225 for(i = 1; i < s1->nb_sections; i++)
1226 free_section(s1->sections[i]);
1227 dynarray_reset(&s1->sections, &s1->nb_sections);
1228
1229 for(i = 0; i < s1->nb_priv_sections; i++)
1230 free_section(s1->priv_sections[i]);
1231 dynarray_reset(&s1->priv_sections, &s1->nb_priv_sections);
0650ab01 Joseph Poirier2013-11-08 13:24:15 -06001232
9dc9cbf3 grischka2009-05-05 20:18:53 +02001233 /* free any loaded DLLs */
1caee8ab James Lyon2013-04-25 22:30:53 +01001234#ifdef TCC_IS_NATIVE
9dc9cbf3 grischka2009-05-05 20:18:53 +02001235 for ( i = 0; i < s1->nb_loaded_dlls; i++) {
1236 DLLReference *ref = s1->loaded_dlls[i];
1237 if ( ref->handle )
1238 dlclose(ref->handle);
1239 }
1caee8ab James Lyon2013-04-25 22:30:53 +01001240#endif
0650ab01 Joseph Poirier2013-11-08 13:24:15 -06001241
9dc9cbf3 grischka2009-05-05 20:18:53 +02001242 /* free loaded dlls array */
1243 dynarray_reset(&s1->loaded_dlls, &s1->nb_loaded_dlls);
1244
1245 /* free library paths */
1246 dynarray_reset(&s1->library_paths, &s1->nb_library_paths);
e844fb11 grischka2011-08-06 16:49:30 +02001247 dynarray_reset(&s1->crt_paths, &s1->nb_crt_paths);
9dc9cbf3 grischka2009-05-05 20:18:53 +02001248
1249 /* free include paths */
1250 dynarray_reset(&s1->cached_includes, &s1->nb_cached_includes);
1251 dynarray_reset(&s1->include_paths, &s1->nb_include_paths);
1252 dynarray_reset(&s1->sysinclude_paths, &s1->nb_sysinclude_paths);
1253
e6f3bf7f grischka2011-08-06 16:08:46 +02001254 tcc_free(s1->tcc_lib_path);
05108a3b grischka2013-02-12 19:13:28 +01001255 tcc_free(s1->soname);
1256 tcc_free(s1->rpath);
1257 tcc_free(s1->init_symbol);
1258 tcc_free(s1->fini_symbol);
1259 tcc_free(s1->outfile);
1260 tcc_free(s1->deps_outfile);
1261 dynarray_reset(&s1->files, &s1->nb_files);
1262 dynarray_reset(&s1->target_deps, &s1->nb_target_deps);
30df3189 grischka2015-05-09 14:29:39 +02001263 dynarray_reset(&s1->pragma_libs, &s1->nb_pragma_libs);
e6f3bf7f grischka2011-08-06 16:08:46 +02001264
05108a3b grischka2013-02-12 19:13:28 +01001265#ifdef TCC_IS_NATIVE
1266# ifdef HAVE_SELINUX
2ab42855 Henry Kroll III2010-04-24 03:28:54 -07001267 munmap (s1->write_mem, s1->mem_size);
0650ab01 Joseph Poirier2013-11-08 13:24:15 -06001268 munmap (s1->runtime_mem, s1->mem_size);
05108a3b grischka2013-02-12 19:13:28 +01001269# else
8bbde91f grischka2009-12-19 22:11:12 +01001270 tcc_free(s1->runtime_mem);
05108a3b grischka2013-02-12 19:13:28 +01001271# endif
2ab42855 Henry Kroll III2010-04-24 03:28:54 -07001272#endif
05108a3b grischka2013-02-12 19:13:28 +01001273
30df3189 grischka2015-05-09 14:29:39 +02001274 tcc_free(s1->sym_attrs);
9dc9cbf3 grischka2009-05-05 20:18:53 +02001275 tcc_free(s1);
1234becc seyko2015-05-12 16:07:09 +03001276 tcc_memstats(bench);
9dc9cbf3 grischka2009-05-05 20:18:53 +02001277}
1278
df9cce24 grischka2011-08-01 01:10:36 +02001279LIBTCCAPI int tcc_add_include_path(TCCState *s, const char *pathname)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001280{
df9cce24 grischka2011-08-01 01:10:36 +02001281 tcc_split_path(s, (void ***)&s->include_paths, &s->nb_include_paths, pathname);
9dc9cbf3 grischka2009-05-05 20:18:53 +02001282 return 0;
1283}
1284
df9cce24 grischka2011-08-01 01:10:36 +02001285LIBTCCAPI int tcc_add_sysinclude_path(TCCState *s, const char *pathname)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001286{
df9cce24 grischka2011-08-01 01:10:36 +02001287 tcc_split_path(s, (void ***)&s->sysinclude_paths, &s->nb_sysinclude_paths, pathname);
9dc9cbf3 grischka2009-05-05 20:18:53 +02001288 return 0;
1289}
1290
05364072 seyko2015-04-12 15:35:37 +03001291ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags, int filetype)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001292{
9dc9cbf3 grischka2009-05-05 20:18:53 +02001293 ElfW(Ehdr) ehdr;
8c56b0cf Thomas Preud'homme2013-01-14 17:34:07 +01001294 int fd, ret, size;
1df662c1 grischka2009-07-18 22:07:25 +02001295
d81611b6 seyko2015-04-10 16:53:29 +03001296 parse_flags = 0;
a25325e9
JS
Joe Soroka2011-02-01 15:26:21 -08001297#ifdef CONFIG_TCC_ASM
1298 /* if .S file, define __ASSEMBLER__ like gcc does */
05364072 seyko2015-04-12 15:35:37 +03001299 if ((filetype == TCC_FILETYPE_ASM) || (filetype == TCC_FILETYPE_ASM_PP)) {
a25325e9 Joe Soroka2011-02-01 15:26:21 -08001300 tcc_define_symbol(s1, "__ASSEMBLER__", NULL);
bbcb54a1 seyko2015-04-27 16:36:58 +03001301 parse_flags = PARSE_FLAG_ASM_FILE;
d81611b6 seyko2015-04-10 16:53:29 +03001302 }
a25325e9
JS
Joe Soroka2011-02-01 15:26:21 -08001303#endif
1304
9dc9cbf3 grischka2009-05-05 20:18:53 +02001305 /* open the file */
8c56b0cf
TP
Thomas Preud'homme2013-01-14 17:34:07 +01001306 ret = tcc_open(s1, filename);
1307 if (ret < 0) {
1df662c1 grischka2009-07-18 22:07:25 +02001308 if (flags & AFF_PRINT_ERROR)
bf374a5f grischka2011-08-11 17:07:56 +02001309 tcc_error_noabort("file '%s' not found", filename);
8c56b0cf Thomas Preud'homme2013-01-14 17:34:07 +01001310 return ret;
9dc9cbf3 grischka2009-05-05 20:18:53 +02001311 }
1312
0c928da9
KS
Kirill Smelkov2010-06-20 20:08:12 +04001313 /* update target deps */
1314 dynarray_add((void ***)&s1->target_deps, &s1->nb_target_deps,
1315 tcc_strdup(filename));
1316
9dc9cbf3 grischka2009-05-05 20:18:53 +02001317 if (flags & AFF_PREPROCESS) {
1318 ret = tcc_preprocess(s1);
1df662c1 grischka2009-07-18 22:07:25 +02001319 goto the_end;
1320 }
1321
05364072 seyko2015-04-12 15:35:37 +03001322 if (filetype == TCC_FILETYPE_C) {
9dc9cbf3 grischka2009-05-05 20:18:53 +02001323 /* C file assumed */
1324 ret = tcc_compile(s1);
1df662c1 grischka2009-07-18 22:07:25 +02001325 goto the_end;
1326 }
1327
9dc9cbf3 grischka2009-05-05 20:18:53 +02001328#ifdef CONFIG_TCC_ASM
05364072 seyko2015-04-12 15:35:37 +03001329 if (filetype == TCC_FILETYPE_ASM_PP) {
70dbe169 seyko2015-04-10 16:31:12 +03001330 /* non preprocessed assembler */
9dc9cbf3 grischka2009-05-05 20:18:53 +02001331 ret = tcc_assemble(s1, 1);
1df662c1 grischka2009-07-18 22:07:25 +02001332 goto the_end;
1333 }
1334
05364072 seyko2015-04-12 15:35:37 +03001335 if (filetype == TCC_FILETYPE_ASM) {
70dbe169 seyko2015-04-10 16:31:12 +03001336 /* preprocessed assembler */
9dc9cbf3 grischka2009-05-05 20:18:53 +02001337 ret = tcc_assemble(s1, 0);
1df662c1 grischka2009-07-18 22:07:25 +02001338 goto the_end;
1339 }
9dc9cbf3 grischka2009-05-05 20:18:53 +02001340#endif
9dc9cbf3 grischka2009-05-05 20:18:53 +02001341
1df662c1 grischka2009-07-18 22:07:25 +02001342 fd = file->fd;
1343 /* assume executable format: auto guess file type */
8c56b0cf
TP
Thomas Preud'homme2013-01-14 17:34:07 +01001344 size = read(fd, &ehdr, sizeof(ehdr));
1345 lseek(fd, 0, SEEK_SET);
1df662c1 grischka2009-07-18 22:07:25 +02001346 if (size <= 0) {
bf374a5f grischka2011-08-11 17:07:56 +02001347 tcc_error_noabort("could not read header");
1df662c1 grischka2009-07-18 22:07:25 +02001348 goto the_end;
1349 }
1350
1351 if (size == sizeof(ehdr) &&
1352 ehdr.e_ident[0] == ELFMAG0 &&
1353 ehdr.e_ident[1] == ELFMAG1 &&
1354 ehdr.e_ident[2] == ELFMAG2 &&
1355 ehdr.e_ident[3] == ELFMAG3) {
1356
1357 /* do not display line number if error */
1358 file->line_num = 0;
1359 if (ehdr.e_type == ET_REL) {
1360 ret = tcc_load_object_file(s1, fd, 0);
1361 goto the_end;
1362
1363 }
1364#ifndef TCC_TARGET_PE
1365 if (ehdr.e_type == ET_DYN) {
1366 if (s1->output_type == TCC_OUTPUT_MEMORY) {
7a477d70 grischka2013-02-06 19:01:07 +01001367#ifdef TCC_IS_NATIVE
1df662c1 grischka2009-07-18 22:07:25 +02001368 void *h;
1369 h = dlopen(filename, RTLD_GLOBAL | RTLD_LAZY);
1370 if (h)
7a477d70 grischka2013-02-06 19:01:07 +01001371#endif
1df662c1 grischka2009-07-18 22:07:25 +02001372 ret = 0;
9dc9cbf3 grischka2009-05-05 20:18:53 +02001373 } else {
0650ab01 Joseph Poirier2013-11-08 13:24:15 -06001374 ret = tcc_load_dll(s1, fd, filename,
1df662c1 grischka2009-07-18 22:07:25 +02001375 (flags & AFF_REFERENCED_DLL) != 0);
9dc9cbf3 grischka2009-05-05 20:18:53 +02001376 }
1df662c1 grischka2009-07-18 22:07:25 +02001377 goto the_end;
1378 }
1379#endif
bf374a5f grischka2011-08-11 17:07:56 +02001380 tcc_error_noabort("unrecognized ELF file");
1df662c1 grischka2009-07-18 22:07:25 +02001381 goto the_end;
1382 }
1383
1384 if (memcmp((char *)&ehdr, ARMAG, 8) == 0) {
1385 file->line_num = 0; /* do not display line number if error */
1386 ret = tcc_load_archive(s1, fd);
1387 goto the_end;
1388 }
1389
9dc9cbf3 grischka2009-05-05 20:18:53 +02001390#ifdef TCC_TARGET_COFF
1df662c1 grischka2009-07-18 22:07:25 +02001391 if (*(uint16_t *)(&ehdr) == COFF_C67_MAGIC) {
1392 ret = tcc_load_coff(s1, fd);
1393 goto the_end;
1394 }
9dc9cbf3 grischka2009-05-05 20:18:53 +02001395#endif
1df662c1 grischka2009-07-18 22:07:25 +02001396
9dc9cbf3 grischka2009-05-05 20:18:53 +02001397#ifdef TCC_TARGET_PE
1df662c1 grischka2009-07-18 22:07:25 +02001398 ret = pe_load_file(s1, filename, fd);
1399#else
1400 /* as GNU ld, consider it is an ld script if not recognized */
1401 ret = tcc_load_ldscript(s1);
9dc9cbf3 grischka2009-05-05 20:18:53 +02001402#endif
1df662c1 grischka2009-07-18 22:07:25 +02001403 if (ret < 0)
bf374a5f grischka2011-08-11 17:07:56 +02001404 tcc_error_noabort("unrecognized file type");
1df662c1 grischka2009-07-18 22:07:25 +02001405
1406the_end:
e97bf88b grischka2010-11-25 13:29:15 +01001407 tcc_close();
9dc9cbf3 grischka2009-05-05 20:18:53 +02001408 return ret;
9dc9cbf3 grischka2009-05-05 20:18:53 +02001409}
1410
05364072 seyko2015-04-12 15:35:37 +03001411LIBTCCAPI int tcc_add_file(TCCState *s, const char *filename, int filetype)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001412{
67aebdd5 grischka2009-05-11 18:46:02 +02001413 if (s->output_type == TCC_OUTPUT_PREPROCESS)
05364072 seyko2015-04-12 15:35:37 +03001414 return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR | AFF_PREPROCESS, filetype);
67aebdd5 grischka2009-05-11 18:46:02 +02001415 else
05364072 seyko2015-04-12 15:35:37 +03001416 return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR, filetype);
9dc9cbf3 grischka2009-05-05 20:18:53 +02001417}
1418
88a3ccab grischka2009-12-20 01:53:49 +01001419LIBTCCAPI int tcc_add_library_path(TCCState *s, const char *pathname)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001420{
df9cce24 grischka2011-08-01 01:10:36 +02001421 tcc_split_path(s, (void ***)&s->library_paths, &s->nb_library_paths, pathname);
9dc9cbf3 grischka2009-05-05 20:18:53 +02001422 return 0;
1423}
1424
e844fb11 grischka2011-08-06 16:49:30 +02001425static int tcc_add_library_internal(TCCState *s, const char *fmt,
1426 const char *filename, int flags, char **paths, int nb_paths)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001427{
1428 char buf[1024];
1429 int i;
1430
e844fb11 grischka2011-08-06 16:49:30 +02001431 for(i = 0; i < nb_paths; i++) {
1432 snprintf(buf, sizeof(buf), fmt, paths[i], filename);
05364072 seyko2015-04-12 15:35:37 +03001433 if (tcc_add_file_internal(s, buf, flags, TCC_FILETYPE_BINARY) == 0)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001434 return 0;
1435 }
1436 return -1;
1437}
1438
cb7e820e seyko2015-05-10 11:37:36 +03001439#ifndef TCC_TARGET_PE
e844fb11 grischka2011-08-06 16:49:30 +02001440/* find and load a dll. Return non zero if not found */
1441/* XXX: add '-rpath' option support ? */
1442ST_FUNC int tcc_add_dll(TCCState *s, const char *filename, int flags)
1443{
1444 return tcc_add_library_internal(s, "%s/%s", filename, flags,
1445 s->library_paths, s->nb_library_paths);
1446}
cb7e820e seyko2015-05-10 11:37:36 +03001447#endif
e844fb11 grischka2011-08-06 16:49:30 +02001448
1449ST_FUNC int tcc_add_crt(TCCState *s, const char *filename)
1450{
1451 if (-1 == tcc_add_library_internal(s, "%s/%s",
1452 filename, 0, s->crt_paths, s->nb_crt_paths))
bf374a5f grischka2011-08-11 17:07:56 +02001453 tcc_error_noabort("file '%s' not found", filename);
e844fb11 grischka2011-08-06 16:49:30 +02001454 return 0;
1455}
1456
9dc9cbf3 grischka2009-05-05 20:18:53 +02001457/* the library name is the same as the argument of the '-l' option */
88a3ccab grischka2009-12-20 01:53:49 +01001458LIBTCCAPI int tcc_add_library(TCCState *s, const char *libraryname)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001459{
9dc9cbf3 grischka2009-05-05 20:18:53 +02001460#ifdef TCC_TARGET_PE
e844fb11 grischka2011-08-06 16:49:30 +02001461 const char *libs[] = { "%s/%s.def", "%s/lib%s.def", "%s/%s.dll", "%s/lib%s.dll", "%s/lib%s.a", NULL };
1462 const char **pp = s->static_link ? libs + 4 : libs;
9dc9cbf3 grischka2009-05-05 20:18:53 +02001463#else
e844fb11 grischka2011-08-06 16:49:30 +02001464 const char *libs[] = { "%s/lib%s.so", "%s/lib%s.a", NULL };
1465 const char **pp = s->static_link ? libs + 1 : libs;
1df662c1 grischka2009-07-18 22:07:25 +02001466#endif
e844fb11 grischka2011-08-06 16:49:30 +02001467 while (*pp) {
1468 if (0 == tcc_add_library_internal(s, *pp,
1469 libraryname, 0, s->library_paths, s->nb_library_paths))
9dc9cbf3 grischka2009-05-05 20:18:53 +02001470 return 0;
e844fb11 grischka2011-08-06 16:49:30 +02001471 ++pp;
9dc9cbf3 grischka2009-05-05 20:18:53 +02001472 }
1473 return -1;
1474}
1475
30df3189 grischka2015-05-09 14:29:39 +02001476PUB_FUNC int tcc_add_library_err(TCCState *s, const char *libname)
1477{
1478 int ret = tcc_add_library(s, libname);
1479 if (ret < 0)
1480 tcc_error_noabort("cannot find library 'lib%s'", libname);
1481 return ret;
1482}
1483
1484/* habdle #pragma comment(lib,) */
1485ST_FUNC void tcc_add_pragma_libs(TCCState *s1)
1486{
1487 int i;
1488 for (i = 0; i < s1->nb_pragma_libs; i++)
1489 tcc_add_library_err(s1, s1->pragma_libs[i]);
1490}
1491
52991422 grischka2010-01-14 20:56:04 +01001492LIBTCCAPI int tcc_add_symbol(TCCState *s, const char *name, const void *val)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001493{
2341ee51 grischka2010-01-14 20:55:51 +01001494#ifdef TCC_TARGET_PE
05108a3b grischka2013-02-12 19:13:28 +01001495 /* On x86_64 'val' might not be reachable with a 32bit offset.
1496 So it is handled here as if it were in a DLL. */
1497 pe_putimport(s, 0, name, (uintptr_t)val);
2341ee51 grischka2010-01-14 20:55:51 +01001498#else
05108a3b grischka2013-02-12 19:13:28 +01001499 add_elf_sym(symtab_section, (uintptr_t)val, 0,
1500 ELFW(ST_INFO)(STB_GLOBAL, STT_NOTYPE), 0,
1501 SHN_ABS, name);
2341ee51 grischka2010-01-14 20:55:51 +01001502#endif
9dc9cbf3 grischka2009-05-05 20:18:53 +02001503 return 0;
1504}
1505
88a3ccab grischka2009-12-20 01:53:49 +01001506LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001507{
9dc9cbf3 grischka2009-05-05 20:18:53 +02001508 s->output_type = output_type;
1509
1510 if (!s->nostdinc) {
1511 /* default include paths */
e939c407 Joe Soroka2011-02-01 23:32:53 -08001512 /* -isystem paths have already been handled */
81cd0cf6 grischka2011-08-06 16:11:12 +02001513 tcc_add_sysinclude_path(s, CONFIG_TCC_SYSINCLUDEPATHS);
9dc9cbf3 grischka2009-05-05 20:18:53 +02001514 }
1515
1516 /* if bound checking, then add corresponding sections */
1517#ifdef CONFIG_TCC_BCHECK
f9181416 grischka2009-05-11 18:45:44 +02001518 if (s->do_bounds_check) {
9dc9cbf3 grischka2009-05-05 20:18:53 +02001519 /* define symbol */
1520 tcc_define_symbol(s, "__BOUNDS_CHECKING_ON", NULL);
1521 /* create bounds sections */
0650ab01 Joseph Poirier2013-11-08 13:24:15 -06001522 bounds_section = new_section(s, ".bounds",
9dc9cbf3 grischka2009-05-05 20:18:53 +02001523 SHT_PROGBITS, SHF_ALLOC);
0650ab01 Joseph Poirier2013-11-08 13:24:15 -06001524 lbounds_section = new_section(s, ".lbounds",
9dc9cbf3 grischka2009-05-05 20:18:53 +02001525 SHT_PROGBITS, SHF_ALLOC);
1526 }
1527#endif
1528
1529 if (s->char_is_unsigned) {
1530 tcc_define_symbol(s, "__CHAR_UNSIGNED__", NULL);
1531 }
1532
1533 /* add debug sections */
f9181416 grischka2009-05-11 18:45:44 +02001534 if (s->do_debug) {
9dc9cbf3 grischka2009-05-05 20:18:53 +02001535 /* stab symbols */
1536 stab_section = new_section(s, ".stab", SHT_PROGBITS, 0);
1537 stab_section->sh_entsize = sizeof(Stab_Sym);
1538 stabstr_section = new_section(s, ".stabstr", SHT_STRTAB, 0);
1539 put_elf_str(stabstr_section, "");
1540 stab_section->link = stabstr_section;
1541 /* put first entry */
1542 put_stabs("", 0, 0, 0, 0);
1543 }
1544
81cd0cf6 grischka2011-08-06 16:11:12 +02001545 tcc_add_library_path(s, CONFIG_TCC_LIBPATHS);
45b35a3d Vittorio Giovara2013-09-23 09:40:06 +02001546#ifdef TCC_TARGET_PE
df9cce24 grischka2011-08-01 01:10:36 +02001547# ifdef _WIN32
1548 tcc_add_systemdir(s);
1549# endif
1550#else
81cd0cf6 grischka2011-08-06 16:11:12 +02001551 /* add libc crt1/crti objects */
9dc9cbf3 grischka2009-05-05 20:18:53 +02001552 if ((output_type == TCC_OUTPUT_EXE || output_type == TCC_OUTPUT_DLL) &&
1553 !s->nostdlib) {
0b665200 Thomas Preud'homme2011-08-03 22:26:39 +02001554 if (output_type != TCC_OUTPUT_DLL)
e844fb11 grischka2011-08-06 16:49:30 +02001555 tcc_add_crt(s, "crt1.o");
1556 tcc_add_crt(s, "crti.o");
9dc9cbf3 grischka2009-05-05 20:18:53 +02001557 }
1558#endif
7e7e6148 seyko2015-04-10 07:37:31 +03001559
1560#ifdef CONFIG_TCC_BCHECK
1561 if (s->do_bounds_check && (output_type == TCC_OUTPUT_EXE))
1562 {
e7a60e4d seyko2015-04-12 04:47:15 +03001563 /* force a bcheck.o linking */
1564 addr_t func = TOK___bound_init;
1565 Sym *sym = external_global_sym(func, &func_old_type, 0);
1566 if (!sym->c)
1567 put_extern_sym(sym, NULL, 0, 0);
7e7e6148 seyko2015-04-10 07:37:31 +03001568 }
1569#endif
80322ada seyko2015-05-13 12:16:00 +03001570
1571 if (s->output_type == TCC_OUTPUT_PREPROCESS)
1572 print_defines();
1573
9dc9cbf3 grischka2009-05-05 20:18:53 +02001574 return 0;
1575}
1576
05108a3b grischka2013-02-12 19:13:28 +01001577LIBTCCAPI void tcc_set_lib_path(TCCState *s, const char *path)
1578{
1579 tcc_free(s->tcc_lib_path);
1580 s->tcc_lib_path = tcc_strdup(path);
1581}
1582
9dc9cbf3 grischka2009-05-05 20:18:53 +02001583#define WD_ALL 0x0001 /* warning is activated when using -Wall */
1584#define FD_INVERT 0x0002 /* invert value before storing */
1585
1586typedef struct FlagDef {
1587 uint16_t offset;
1588 uint16_t flags;
1589 const char *name;
1590} FlagDef;
1591
1592static const FlagDef warning_defs[] = {
1593 { offsetof(TCCState, warn_unsupported), 0, "unsupported" },
1594 { offsetof(TCCState, warn_write_strings), 0, "write-strings" },
1595 { offsetof(TCCState, warn_error), 0, "error" },
1596 { offsetof(TCCState, warn_implicit_function_declaration), WD_ALL,
1597 "implicit-function-declaration" },
1598};
1599
88a3ccab grischka2009-12-20 01:53:49 +01001600ST_FUNC int set_flag(TCCState *s, const FlagDef *flags, int nb_flags,
9dc9cbf3 grischka2009-05-05 20:18:53 +02001601 const char *name, int value)
1602{
1603 int i;
1604 const FlagDef *p;
1605 const char *r;
1606
1607 r = name;
1608 if (r[0] == 'n' && r[1] == 'o' && r[2] == '-') {
1609 r += 3;
1610 value = !value;
1611 }
1612 for(i = 0, p = flags; i < nb_flags; i++, p++) {
1613 if (!strcmp(r, p->name))
1614 goto found;
1615 }
1616 return -1;
1617 found:
1618 if (p->flags & FD_INVERT)
1619 value = !value;
1620 *(int *)((uint8_t *)s + p->offset) = value;
1621 return 0;
1622}
1623
9dc9cbf3 grischka2009-05-05 20:18:53 +02001624/* set/reset a warning */
05108a3b grischka2013-02-12 19:13:28 +01001625static int tcc_set_warning(TCCState *s, const char *warning_name, int value)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001626{
1627 int i;
1628 const FlagDef *p;
1629
1630 if (!strcmp(warning_name, "all")) {
1631 for(i = 0, p = warning_defs; i < countof(warning_defs); i++, p++) {
1632 if (p->flags & WD_ALL)
1633 *(int *)((uint8_t *)s + p->offset) = 1;
1634 }
1635 return 0;
1636 } else {
1637 return set_flag(s, warning_defs, countof(warning_defs),
1638 warning_name, value);
1639 }
1640}
1641
1642static const FlagDef flag_defs[] = {
1643 { offsetof(TCCState, char_is_unsigned), 0, "unsigned-char" },
1644 { offsetof(TCCState, char_is_unsigned), FD_INVERT, "signed-char" },
1645 { offsetof(TCCState, nocommon), FD_INVERT, "common" },
1646 { offsetof(TCCState, leading_underscore), 0, "leading-underscore" },
dec95935 seyko2015-04-10 06:31:58 +03001647 { offsetof(TCCState, ms_extensions), 0, "ms-extensions" },
5c9dde72 seyko2015-04-10 23:44:10 +03001648 { offsetof(TCCState, old_struct_init_code), 0, "old-struct-init-code" },
dcb36587 seyko2015-04-12 15:32:03 +03001649 { offsetof(TCCState, dollars_in_identifiers), 0, "dollars-in-identifiers" },
9dc9cbf3 grischka2009-05-05 20:18:53 +02001650};
1651
1652/* set/reset a flag */
05108a3b grischka2013-02-12 19:13:28 +01001653static int tcc_set_flag(TCCState *s, const char *flag_name, int value)
9dc9cbf3 grischka2009-05-05 20:18:53 +02001654{
1655 return set_flag(s, flag_defs, countof(flag_defs),
1656 flag_name, value);
1657}
1658
78e83d87 Detlef Riekenberg2010-04-05 21:21:58 +02001659
05108a3b grischka2013-02-12 19:13:28 +01001660static int strstart(const char *val, const char **str)
78e83d87
DR
Detlef Riekenberg2010-04-05 21:21:58 +02001661{
1662 const char *p, *q;
05108a3b grischka2013-02-12 19:13:28 +01001663 p = *str;
78e83d87 Detlef Riekenberg2010-04-05 21:21:58 +02001664 q = val;
05108a3b grischka2013-02-12 19:13:28 +01001665 while (*q) {
78e83d87
DR
Detlef Riekenberg2010-04-05 21:21:58 +02001666 if (*p != *q)
1667 return 0;
1668 p++;
1669 q++;
1670 }
05108a3b grischka2013-02-12 19:13:28 +01001671 *str = p;
78e83d87
DR
Detlef Riekenberg2010-04-05 21:21:58 +02001672 return 1;
1673}
1674
7901d1e3
KS
Kirill Smelkov2010-08-12 23:30:21 +04001675/* Like strstart, but automatically takes into account that ld options can
1676 *
1677 * - start with double or single dash (e.g. '--soname' or '-soname')
1678 * - arguments can be given as separate or after '=' (e.g. '-Wl,-soname,x.so'
1679 * or '-Wl,-soname=x.so')
1680 *
1681 * you provide `val` always in 'option[=]' form (no leading -)
1682 */
05108a3b grischka2013-02-12 19:13:28 +01001683static int link_option(const char *str, const char *val, const char **ptr)
7901d1e3
KS
Kirill Smelkov2010-08-12 23:30:21 +04001684{
1685 const char *p, *q;
1686
1687 /* there should be 1 or 2 dashes */
1688 if (*str++ != '-')
1689 return 0;
1690 if (*str == '-')
1691 str++;
1692
1693 /* then str & val should match (potentialy up to '=') */
1694 p = str;
1695 q = val;
1696
1697 while (*q != '\0' && *q != '=') {
1698 if (*p != *q)
1699 return 0;
1700 p++;
1701 q++;
1702 }
1703
1704 /* '=' near eos means ',' or '=' is ok */
1705 if (*q == '=') {
1706 if (*p != ',' && *p != '=')
1707 return 0;
1708 p++;
1709 q++;
1710 }
1711
1712 if (ptr)
05108a3b grischka2013-02-12 19:13:28 +01001713 *ptr = p;
7901d1e3
KS
Kirill Smelkov2010-08-12 23:30:21 +04001714 return 1;
1715}
1716
05108a3b grischka2013-02-12 19:13:28 +01001717static const char *skip_linker_arg(const char **str)
1718{
1719 const char *s1 = *str;
1720 const char *s2 = strchr(s1, ',');
1721 *str = s2 ? s2++ : (s2 = s1 + strlen(s1));
1722 return s2;
1723}
7901d1e3 Kirill Smelkov2010-08-12 23:30:21 +04001724
05108a3b grischka2013-02-12 19:13:28 +01001725static char *copy_linker_arg(const char *p)
78e83d87 Detlef Riekenberg2010-04-05 21:21:58 +02001726{
05108a3b grischka2013-02-12 19:13:28 +01001727 const char *q = p;
1728 skip_linker_arg(&q);
1729 return pstrncpy(tcc_malloc(q - p + 1), p, q - p);
1730}
78e83d87 Detlef Riekenberg2010-04-05 21:21:58 +02001731
05108a3b grischka2013-02-12 19:13:28 +01001732/* set linker options */
1733static int tcc_set_linker(TCCState *s, const char *option)
1734{
78e83d87 Detlef Riekenberg2010-04-05 21:21:58 +02001735 while (option && *option) {
05108a3b grischka2013-02-12 19:13:28 +01001736
1737 const char *p = option;
1738 char *end = NULL;
1739 int ignoring = 0;
1740
7901d1e3 Kirill Smelkov2010-08-12 23:30:21 +04001741 if (link_option(option, "Bsymbolic", &p)) {
263dc93c grischka2013-02-04 15:10:08 +01001742 s->symbolic = 1;
176876e5 Gabriel Corneanu2012-04-18 09:48:57 +02001743 } else if (link_option(option, "nostdlib", &p)) {
263dc93c grischka2013-02-04 15:10:08 +01001744 s->nostdlib = 1;
7901d1e3 Kirill Smelkov2010-08-12 23:30:21 +04001745 } else if (link_option(option, "fini=", &p)) {
05108a3b grischka2013-02-12 19:13:28 +01001746 s->fini_symbol = copy_linker_arg(p);
1747 ignoring = 1;
1748 } else if (link_option(option, "image-base=", &p)
1749 || link_option(option, "Ttext=", &p)) {
a0db7162 Andrew Mulbrook2012-03-03 11:10:15 -06001750 s->text_addr = strtoull(p, &end, 16);
78e83d87 Detlef Riekenberg2010-04-05 21:21:58 +02001751 s->has_text_addr = 1;
7901d1e3 Kirill Smelkov2010-08-12 23:30:21 +04001752 } else if (link_option(option, "init=", &p)) {
05108a3b grischka2013-02-12 19:13:28 +01001753 s->init_symbol = copy_linker_arg(p);
1754 ignoring = 1;
7901d1e3 Kirill Smelkov2010-08-12 23:30:21 +04001755 } else if (link_option(option, "oformat=", &p)) {
78e83d87 Detlef Riekenberg2010-04-05 21:21:58 +02001756#if defined(TCC_TARGET_PE)
05108a3b grischka2013-02-12 19:13:28 +01001757 if (strstart("pe-", &p)) {
b14ef0e2 Edmund Grimley Evans2015-02-13 18:58:31 +00001758#elif defined(TCC_TARGET_ARM64) || defined(TCC_TARGET_X86_64)
05108a3b grischka2013-02-12 19:13:28 +01001759 if (strstart("elf64-", &p)) {
78e83d87 Detlef Riekenberg2010-04-05 21:21:58 +02001760#else
05108a3b grischka2013-02-12 19:13:28 +01001761 if (strstart("elf32-", &p)) {
78e83d87
DR
Detlef Riekenberg2010-04-05 21:21:58 +02001762#endif
1763 s->output_format = TCC_OUTPUT_FORMAT_ELF;
1764 } else if (!strcmp(p, "binary")) {
1765 s->output_format = TCC_OUTPUT_FORMAT_BINARY;
78e83d87 Detlef Riekenberg2010-04-05 21:21:58 +02001766#ifdef TCC_TARGET_COFF
05108a3b grischka2013-02-12 19:13:28 +01001767 } else if (!strcmp(p, "coff")) {
78e83d87 Detlef Riekenberg2010-04-05 21:21:58 +02001768 s->output_format = TCC_OUTPUT_FORMAT_COFF;
78e83d87 Detlef Riekenberg2010-04-05 21:21:58 +02001769#endif
05108a3b grischka2013-02-12 19:13:28 +01001770 } else
1771 goto err;
78e83d87 Detlef Riekenberg2010-04-05 21:21:58 +02001772
ba286136
AE
Austin English2014-03-06 12:29:19 -08001773 } else if (link_option(option, "as-needed", &p)) {
1774 ignoring = 1;
1775 } else if (link_option(option, "O", &p)) {
1776 ignoring = 1;
7901d1e3 Kirill Smelkov2010-08-12 23:30:21 +04001777 } else if (link_option(option, "rpath=", &p)) {
05108a3b grischka2013-02-12 19:13:28 +01001778 s->rpath = copy_linker_arg(p);
7901d1e3 Kirill Smelkov2010-08-12 23:30:21 +04001779 } else if (link_option(option, "section-alignment=", &p)) {
78e83d87 Detlef Riekenberg2010-04-05 21:21:58 +02001780 s->section_align = strtoul(p, &end, 16);
7901d1e3 Kirill Smelkov2010-08-12 23:30:21 +04001781 } else if (link_option(option, "soname=", &p)) {
05108a3b grischka2013-02-12 19:13:28 +01001782 s->soname = copy_linker_arg(p);
78e83d87 Detlef Riekenberg2010-04-05 21:21:58 +02001783#ifdef TCC_TARGET_PE
45184e01 grischka2011-07-11 18:47:16 +02001784 } else if (link_option(option, "file-alignment=", &p)) {
1785 s->pe_file_align = strtoul(p, &end, 16);
1786 } else if (link_option(option, "stack=", &p)) {
1787 s->pe_stack_size = strtoul(p, &end, 10);
7901d1e3 Kirill Smelkov2010-08-12 23:30:21 +04001788 } else if (link_option(option, "subsystem=", &p)) {
78e83d87
DR
Detlef Riekenberg2010-04-05 21:21:58 +02001789#if defined(TCC_TARGET_I386) || defined(TCC_TARGET_X86_64)
1790 if (!strcmp(p, "native")) {
1791 s->pe_subsystem = 1;
1792 } else if (!strcmp(p, "console")) {
1793 s->pe_subsystem = 3;
1794 } else if (!strcmp(p, "gui")) {
1795 s->pe_subsystem = 2;
1796 } else if (!strcmp(p, "posix")) {
1797 s->pe_subsystem = 7;
1798 } else if (!strcmp(p, "efiapp")) {
1799 s->pe_subsystem = 10;
1800 } else if (!strcmp(p, "efiboot")) {
1801 s->pe_subsystem = 11;
1802 } else if (!strcmp(p, "efiruntime")) {
1803 s->pe_subsystem = 12;
1804 } else if (!strcmp(p, "efirom")) {
1805 s->pe_subsystem = 13;
1806#elif defined(TCC_TARGET_ARM)
1807 if (!strcmp(p, "wince")) {
1808 s->pe_subsystem = 9;
1809#endif
05108a3b grischka2013-02-12 19:13:28 +01001810 } else
1811 goto err;
78e83d87 Detlef Riekenberg2010-04-05 21:21:58 +02001812#endif
78e83d87 Detlef Riekenberg2010-04-05 21:21:58 +02001813 } else
05108a3b grischka2013-02-12 19:13:28 +01001814 goto err;
1815
1816 if (ignoring && s->warn_unsupported) err: {
1817 char buf[100], *e;
1818 pstrcpy(buf, sizeof buf, e = copy_linker_arg(option)), tcc_free(e);
1819 if (ignoring)
1820 tcc_warning("unsupported linker option '%s'", buf);
1821 else
1822 tcc_error("unsupported linker option '%s'", buf);
1823 }
1824 option = skip_linker_arg(&p);
78e83d87 Detlef Riekenberg2010-04-05 21:21:58 +02001825 }
05108a3b grischka2013-02-12 19:13:28 +01001826 return 0;
78e83d87
DR
Detlef Riekenberg2010-04-05 21:21:58 +02001827}
1828
05108a3b grischka2013-02-12 19:13:28 +01001829typedef struct TCCOption {
1830 const char *name;
1831 uint16_t index;
1832 uint16_t flags;
1833} TCCOption;
1834
1835enum {
1836 TCC_OPTION_HELP,
1837 TCC_OPTION_I,
1838 TCC_OPTION_D,
1839 TCC_OPTION_U,
50cdccf3 seyko2015-03-03 14:19:14 +03001840 TCC_OPTION_P,
05108a3b grischka2013-02-12 19:13:28 +01001841 TCC_OPTION_L,
1842 TCC_OPTION_B,
1843 TCC_OPTION_l,
1844 TCC_OPTION_bench,
1845 TCC_OPTION_bt,
1846 TCC_OPTION_b,
1847 TCC_OPTION_g,
1848 TCC_OPTION_c,
724425ad seyko2015-03-23 20:58:27 +03001849 TCC_OPTION_dumpversion,
80322ada seyko2015-05-13 12:16:00 +03001850 TCC_OPTION_d,
b6247d1f Thomas Preud'homme2014-01-07 15:23:54 +08001851 TCC_OPTION_float_abi,
05108a3b grischka2013-02-12 19:13:28 +01001852 TCC_OPTION_static,
e374a733 seyko2015-03-03 16:25:02 +03001853 TCC_OPTION_std,
05108a3b grischka2013-02-12 19:13:28 +01001854 TCC_OPTION_shared,
1855 TCC_OPTION_soname,
1856 TCC_OPTION_o,
1857 TCC_OPTION_r,
1858 TCC_OPTION_s,
fca58734 seyko2015-05-03 20:10:57 +03001859 TCC_OPTION_traditional,
05108a3b grischka2013-02-12 19:13:28 +01001860 TCC_OPTION_Wl,
1861 TCC_OPTION_W,
1862 TCC_OPTION_O,
1863 TCC_OPTION_m,
1864 TCC_OPTION_f,
1865 TCC_OPTION_isystem,
fca58734 seyko2015-05-03 20:10:57 +03001866 TCC_OPTION_iwithprefix,
05108a3b grischka2013-02-12 19:13:28 +01001867 TCC_OPTION_nostdinc,
1868 TCC_OPTION_nostdlib,
1869 TCC_OPTION_print_search_dirs,
1870 TCC_OPTION_rdynamic,
1871 TCC_OPTION_pedantic,
1872 TCC_OPTION_pthread,
1873 TCC_OPTION_run,
1874 TCC_OPTION_v,
1875 TCC_OPTION_w,
1876 TCC_OPTION_pipe,
1877 TCC_OPTION_E,
1878 TCC_OPTION_MD,
1879 TCC_OPTION_MF,
1880 TCC_OPTION_x,
1881};
1882
1883#define TCC_OPTION_HAS_ARG 0x0001
1884#define TCC_OPTION_NOSEP 0x0002 /* cannot have space before option and arg */
1885
1886static const TCCOption tcc_options[] = {
1887 { "h", TCC_OPTION_HELP, 0 },
1888 { "-help", TCC_OPTION_HELP, 0 },
1889 { "?", TCC_OPTION_HELP, 0 },
1890 { "I", TCC_OPTION_I, TCC_OPTION_HAS_ARG },
1891 { "D", TCC_OPTION_D, TCC_OPTION_HAS_ARG },
1892 { "U", TCC_OPTION_U, TCC_OPTION_HAS_ARG },
50cdccf3 seyko2015-03-03 14:19:14 +03001893 { "P", TCC_OPTION_P, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
05108a3b grischka2013-02-12 19:13:28 +01001894 { "L", TCC_OPTION_L, TCC_OPTION_HAS_ARG },
1895 { "B", TCC_OPTION_B, TCC_OPTION_HAS_ARG },
1896 { "l", TCC_OPTION_l, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
1897 { "bench", TCC_OPTION_bench, 0 },
1898#ifdef CONFIG_TCC_BACKTRACE
1899 { "bt", TCC_OPTION_bt, TCC_OPTION_HAS_ARG },
1900#endif
1901#ifdef CONFIG_TCC_BCHECK
1902 { "b", TCC_OPTION_b, 0 },
1903#endif
1904 { "g", TCC_OPTION_g, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
1905 { "c", TCC_OPTION_c, 0 },
724425ad seyko2015-03-23 20:58:27 +03001906 { "dumpversion", TCC_OPTION_dumpversion, 0},
80322ada seyko2015-05-13 12:16:00 +03001907 { "d", TCC_OPTION_d, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
b6247d1f
TP
Thomas Preud'homme2014-01-07 15:23:54 +08001908#ifdef TCC_TARGET_ARM
1909 { "mfloat-abi", TCC_OPTION_float_abi, TCC_OPTION_HAS_ARG },
1910#endif
05108a3b grischka2013-02-12 19:13:28 +01001911 { "static", TCC_OPTION_static, 0 },
e374a733 seyko2015-03-03 16:25:02 +03001912 { "std", TCC_OPTION_std, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
05108a3b grischka2013-02-12 19:13:28 +01001913 { "shared", TCC_OPTION_shared, 0 },
1914 { "soname", TCC_OPTION_soname, TCC_OPTION_HAS_ARG },
1915 { "o", TCC_OPTION_o, TCC_OPTION_HAS_ARG },
1916 { "pedantic", TCC_OPTION_pedantic, 0},
1917 { "pthread", TCC_OPTION_pthread, 0},
1918 { "run", TCC_OPTION_run, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
1919 { "rdynamic", TCC_OPTION_rdynamic, 0 },
1920 { "r", TCC_OPTION_r, 0 },
1921 { "s", TCC_OPTION_s, 0 },
fca58734 seyko2015-05-03 20:10:57 +03001922 { "traditional", TCC_OPTION_traditional, 0 },
05108a3b grischka2013-02-12 19:13:28 +01001923 { "Wl,", TCC_OPTION_Wl, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
1924 { "W", TCC_OPTION_W, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
1925 { "O", TCC_OPTION_O, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
1926 { "m", TCC_OPTION_m, TCC_OPTION_HAS_ARG },
1927 { "f", TCC_OPTION_f, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
1928 { "isystem", TCC_OPTION_isystem, TCC_OPTION_HAS_ARG },
fca58734 seyko2015-05-03 20:10:57 +03001929 { "iwithprefix", TCC_OPTION_iwithprefix, TCC_OPTION_HAS_ARG },
05108a3b grischka2013-02-12 19:13:28 +01001930 { "nostdinc", TCC_OPTION_nostdinc, 0 },
1931 { "nostdlib", TCC_OPTION_nostdlib, 0 },
0650ab01 Joseph Poirier2013-11-08 13:24:15 -06001932 { "print-search-dirs", TCC_OPTION_print_search_dirs, 0 },
05108a3b grischka2013-02-12 19:13:28 +01001933 { "v", TCC_OPTION_v, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
1934 { "w", TCC_OPTION_w, 0 },
1935 { "pipe", TCC_OPTION_pipe, 0},
1936 { "E", TCC_OPTION_E, 0},
1937 { "MD", TCC_OPTION_MD, 0},
1938 { "MF", TCC_OPTION_MF, TCC_OPTION_HAS_ARG },
1939 { "x", TCC_OPTION_x, TCC_OPTION_HAS_ARG },
1940 { NULL, 0, 0 },
1941};
1942
1943static void parse_option_D(TCCState *s1, const char *optarg)
88a3ccab grischka2009-12-20 01:53:49 +01001944{
05108a3b grischka2013-02-12 19:13:28 +01001945 char *sym = tcc_strdup(optarg);
1946 char *value = strchr(sym, '=');
1947 if (value)
1948 *value++ = '\0';
1949 tcc_define_symbol(s1, sym, value);
1950 tcc_free(sym);
88a3ccab grischka2009-12-20 01:53:49 +01001951}
1952
05364072 seyko2015-04-12 15:35:37 +03001953static void args_parser_add_file(TCCState *s, const char* filename, int filetype)
1954{
1955 int len = strlen(filename);
1956 char *p = tcc_malloc(len + 2);
1957 if (filetype) {
1958 *p = filetype;
1959 }
1960 else {
1961 /* use a file extension to detect a filetype */
1962 const char *ext = tcc_fileextension(filename);
1963 if (ext[0]) {
1964 ext++;
1965 if (!strcmp(ext, "S"))
1966 *p = TCC_FILETYPE_ASM_PP;
1967 else
1968 if (!strcmp(ext, "s"))
1969 *p = TCC_FILETYPE_ASM;
1970 else
1971 if (!PATHCMP(ext, "c") || !PATHCMP(ext, "i"))
1972 *p = TCC_FILETYPE_C;
1973 else
1974 *p = TCC_FILETYPE_BINARY;
1975 }
1976 else {
1977 *p = TCC_FILETYPE_C;
1978 }
1979 }
1980 strcpy(p+1, filename);
1981 dynarray_add((void ***)&s->files, &s->nb_files, p);
1982}
1983
05108a3b grischka2013-02-12 19:13:28 +01001984PUB_FUNC int tcc_parse_args(TCCState *s, int argc, char **argv)
bdae4a59 Kirill Smelkov2010-06-16 16:54:24 +04001985{
05108a3b grischka2013-02-12 19:13:28 +01001986 const TCCOption *popt;
1987 const char *optarg, *r;
1988 int run = 0;
1989 int pthread = 0;
1990 int optind = 0;
05364072 seyko2015-04-12 15:35:37 +03001991 int filetype = 0;
e6f3bf7f grischka2011-08-06 16:08:46 +02001992
05108a3b grischka2013-02-12 19:13:28 +01001993 /* collect -Wl options for input such as "-Wl,-rpath -Wl,<path>" */
1994 CString linker_arg;
1995 cstr_new(&linker_arg);
bdae4a59 Kirill Smelkov2010-06-16 16:54:24 +04001996
05108a3b grischka2013-02-12 19:13:28 +01001997 while (optind < argc) {
0c928da9 Kirill Smelkov2010-06-20 20:08:12 +04001998
05108a3b grischka2013-02-12 19:13:28 +01001999 r = argv[optind++];
2000 if (r[0] != '-' || r[1] == '\0') {
05364072 seyko2015-04-12 15:35:37 +03002001 args_parser_add_file(s, r, filetype);
05108a3b grischka2013-02-12 19:13:28 +01002002 if (run) {
2003 optind--;
2004 /* argv[0] will be this file */
2005 break;
2006 }
2007 continue;
2008 }
0c928da9 Kirill Smelkov2010-06-20 20:08:12 +04002009
05108a3b grischka2013-02-12 19:13:28 +01002010 /* find option in table */
2011 for(popt = tcc_options; ; ++popt) {
2012 const char *p1 = popt->name;
2013 const char *r1 = r + 1;
2014 if (p1 == NULL)
2015 tcc_error("invalid option -- '%s'", r);
2016 if (!strstart(p1, &r1))
2017 continue;
2018 optarg = r1;
2019 if (popt->flags & TCC_OPTION_HAS_ARG) {
2020 if (*r1 == '\0' && !(popt->flags & TCC_OPTION_NOSEP)) {
2021 if (optind >= argc)
2022 tcc_error("argument to '%s' is missing", r);
2023 optarg = argv[optind++];
2024 }
2025 } else if (*r1 != '\0')
2026 continue;
2027 break;
2028 }
0c928da9 Kirill Smelkov2010-06-20 20:08:12 +04002029
05108a3b grischka2013-02-12 19:13:28 +01002030 switch(popt->index) {
2031 case TCC_OPTION_HELP:
2032 return 0;
2033 case TCC_OPTION_I:
30df3189 grischka2015-05-09 14:29:39 +02002034 tcc_add_include_path(s, optarg);
05108a3b grischka2013-02-12 19:13:28 +01002035 break;
2036 case TCC_OPTION_D:
2037 parse_option_D(s, optarg);
2038 break;
2039 case TCC_OPTION_U:
2040 tcc_undefine_symbol(s, optarg);
2041 break;
2042 case TCC_OPTION_L:
2043 tcc_add_library_path(s, optarg);
2044 break;
2045 case TCC_OPTION_B:
2046 /* set tcc utilities path (mainly for tcc development) */
2047 tcc_set_lib_path(s, optarg);
2048 break;
2049 case TCC_OPTION_l:
05364072 seyko2015-04-12 15:35:37 +03002050 args_parser_add_file(s, r, TCC_FILETYPE_BINARY);
05108a3b grischka2013-02-12 19:13:28 +01002051 s->nb_libraries++;
2052 break;
2053 case TCC_OPTION_pthread:
2054 parse_option_D(s, "_REENTRANT");
2055 pthread = 1;
2056 break;
2057 case TCC_OPTION_bench:
2058 s->do_bench = 1;
2059 break;
2060#ifdef CONFIG_TCC_BACKTRACE
2061 case TCC_OPTION_bt:
2062 tcc_set_num_callers(atoi(optarg));
2063 break;
2064#endif
2065#ifdef CONFIG_TCC_BCHECK
2066 case TCC_OPTION_b:
2067 s->do_bounds_check = 1;
2068 s->do_debug = 1;
2069 break;
2070#endif
2071 case TCC_OPTION_g:
2072 s->do_debug = 1;
2073 break;
2074 case TCC_OPTION_c:
80322ada seyko2015-05-13 12:16:00 +03002075 if (s->output_type)
c334b591 seyko2015-01-06 22:19:45 +03002076 tcc_warning("-c: some compiler action already specified (%d)", s->output_type);
05108a3b grischka2013-02-12 19:13:28 +01002077 s->output_type = TCC_OUTPUT_OBJ;
2078 break;
80322ada seyko2015-05-13 12:16:00 +03002079 case TCC_OPTION_d:
2080 if (*optarg == 'D')
2081 s->dflag = 1;
2082 else {
2083 if (s->warn_unsupported)
2084 goto unsupported_option;
2085 tcc_error("invalid option -- '%s'", r);
2086 }
2087 break;
b6247d1f
TP
Thomas Preud'homme2014-01-07 15:23:54 +08002088#ifdef TCC_TARGET_ARM
2089 case TCC_OPTION_float_abi:
2090 /* tcc doesn't support soft float yet */
2091 if (!strcmp(optarg, "softfp")) {
2092 s->float_abi = ARM_SOFTFP_FLOAT;
2093 tcc_undefine_symbol(s, "__ARM_PCS_VFP");
2094 } else if (!strcmp(optarg, "hard"))
2095 s->float_abi = ARM_HARD_FLOAT;
2096 else
2097 tcc_error("unsupported float abi '%s'", optarg);
2098 break;
2099#endif
05108a3b grischka2013-02-12 19:13:28 +01002100 case TCC_OPTION_static:
2101 s->static_link = 1;
2102 break;
e374a733 seyko2015-03-03 16:25:02 +03002103 case TCC_OPTION_std:
89ad24e7 gus knight2015-07-29 16:53:57 -04002104 /* silently ignore, a current purpose:
2105 allow to use a tcc as a reference compiler for "make test" */
e374a733 seyko2015-03-03 16:25:02 +03002106 break;
05108a3b grischka2013-02-12 19:13:28 +01002107 case TCC_OPTION_shared:
89ad24e7 gus knight2015-07-29 16:53:57 -04002108 if (s->output_type)
c334b591 seyko2015-01-06 22:19:45 +03002109 tcc_warning("-shared: some compiler action already specified (%d)", s->output_type);
05108a3b grischka2013-02-12 19:13:28 +01002110 s->output_type = TCC_OUTPUT_DLL;
2111 break;
2112 case TCC_OPTION_soname:
2113 s->soname = tcc_strdup(optarg);
2114 break;
2115 case TCC_OPTION_m:
2116 s->option_m = tcc_strdup(optarg);
2117 break;
2118 case TCC_OPTION_o:
c497f9c8 seyko2015-05-10 10:13:35 +03002119 if (s->outfile) {
2120 tcc_warning("multiple -o option");
2121 tcc_free(s->outfile);
2122 }
05108a3b grischka2013-02-12 19:13:28 +01002123 s->outfile = tcc_strdup(optarg);
2124 break;
2125 case TCC_OPTION_r:
2126 /* generate a .o merging several output files */
89ad24e7 gus knight2015-07-29 16:53:57 -04002127 if (s->output_type)
c334b591 seyko2015-01-06 22:19:45 +03002128 tcc_warning("-r: some compiler action already specified (%d)", s->output_type);
05108a3b grischka2013-02-12 19:13:28 +01002129 s->option_r = 1;
2130 s->output_type = TCC_OUTPUT_OBJ;
2131 break;
2132 case TCC_OPTION_isystem:
2133 tcc_add_sysinclude_path(s, optarg);
2134 break;
fca58734 seyko2015-05-03 20:10:57 +03002135 case TCC_OPTION_iwithprefix:
2136 if (1) {
2137 char buf[1024];
2138 int buf_size = sizeof(buf)-1;
2139 char *p = &buf[0];
2140
2141 char *sysroot = "{B}/";
2142 int len = strlen(sysroot);
2143 if (len > buf_size)
2144 len = buf_size;
2145 strncpy(p, sysroot, len);
2146 p += len;
2147 buf_size -= len;
2148
2149 len = strlen(optarg);
2150 if (len > buf_size)
2151 len = buf_size;
2152 strncpy(p, optarg, len+1);
2153 tcc_add_sysinclude_path(s, buf);
2154 }
2155 break;
05108a3b grischka2013-02-12 19:13:28 +01002156 case TCC_OPTION_nostdinc:
2157 s->nostdinc = 1;
2158 break;
2159 case TCC_OPTION_nostdlib:
2160 s->nostdlib = 1;
2161 break;
2162 case TCC_OPTION_print_search_dirs:
2163 s->print_search_dirs = 1;
2164 break;
2165 case TCC_OPTION_run:
89ad24e7 gus knight2015-07-29 16:53:57 -04002166 if (s->output_type)
c334b591 seyko2015-01-06 22:19:45 +03002167 tcc_warning("-run: some compiler action already specified (%d)", s->output_type);
05108a3b grischka2013-02-12 19:13:28 +01002168 s->output_type = TCC_OUTPUT_MEMORY;
2169 tcc_set_options(s, optarg);
2170 run = 1;
2171 break;
2172 case TCC_OPTION_v:
2173 do ++s->verbose; while (*optarg++ == 'v');
2174 break;
2175 case TCC_OPTION_f:
2176 if (tcc_set_flag(s, optarg, 1) < 0 && s->warn_unsupported)
2177 goto unsupported_option;
2178 break;
2179 case TCC_OPTION_W:
0650ab01 Joseph Poirier2013-11-08 13:24:15 -06002180 if (tcc_set_warning(s, optarg, 1) < 0 &&
05108a3b grischka2013-02-12 19:13:28 +01002181 s->warn_unsupported)
2182 goto unsupported_option;
2183 break;
2184 case TCC_OPTION_w:
2185 s->warn_none = 1;
2186 break;
2187 case TCC_OPTION_rdynamic:
2188 s->rdynamic = 1;
2189 break;
2190 case TCC_OPTION_Wl:
2191 if (linker_arg.size)
2192 --linker_arg.size, cstr_ccat(&linker_arg, ',');
2193 cstr_cat(&linker_arg, optarg);
2194 cstr_ccat(&linker_arg, '\0');
2195 break;
2196 case TCC_OPTION_E:
89ad24e7 gus knight2015-07-29 16:53:57 -04002197 if (s->output_type)
c334b591 seyko2015-01-06 22:19:45 +03002198 tcc_warning("-E: some compiler action already specified (%d)", s->output_type);
05108a3b grischka2013-02-12 19:13:28 +01002199 s->output_type = TCC_OUTPUT_PREPROCESS;
2200 break;
50cdccf3 seyko2015-03-03 14:19:14 +03002201 case TCC_OPTION_P:
2202 s->Pflag = atoi(optarg) + 1;
2203 break;
05108a3b grischka2013-02-12 19:13:28 +01002204 case TCC_OPTION_MD:
2205 s->gen_deps = 1;
2206 break;
2207 case TCC_OPTION_MF:
2208 s->deps_outfile = tcc_strdup(optarg);
2209 break;
062efe6a
UJ
Urs Janssen2013-02-14 08:24:51 +01002210 case TCC_OPTION_dumpversion:
2211 printf ("%s\n", TCC_VERSION);
2212 exit(0);
5cd4393a seyko2015-04-10 06:53:48 +03002213 case TCC_OPTION_s:
2214 s->do_strip = 1;
2215 break;
fca58734 seyko2015-05-03 20:10:57 +03002216 case TCC_OPTION_traditional:
2217 break;
05364072 seyko2015-04-12 15:35:37 +03002218 case TCC_OPTION_x:
2219 if (*optarg == 'c')
2220 filetype = TCC_FILETYPE_C;
2221 else
2222 if (*optarg == 'a')
2223 filetype = TCC_FILETYPE_ASM_PP;
2224 else
2225 if (*optarg == 'n')
2226 filetype = 0;
2227 else
2228 tcc_warning("unsupported language '%s'", optarg);
2229 break;
05108a3b grischka2013-02-12 19:13:28 +01002230 case TCC_OPTION_O:
ff06d425 seyko2015-05-10 10:21:37 +03002231 if (1) {
2232 int opt = atoi(optarg);
2233 char *sym = "__OPTIMIZE__";
2234 if (opt)
2235 tcc_define_symbol(s, sym, 0);
2236 else
2237 tcc_undefine_symbol(s, sym);
2238 }
2239 break;
05108a3b grischka2013-02-12 19:13:28 +01002240 case TCC_OPTION_pedantic:
2241 case TCC_OPTION_pipe:
05108a3b grischka2013-02-12 19:13:28 +01002242 /* ignored */
2243 break;
2244 default:
2245 if (s->warn_unsupported) {
2246 unsupported_option:
2247 tcc_warning("unsupported option '%s'", r);
2248 }
2249 break;
2250 }
0c928da9
KS
Kirill Smelkov2010-06-20 20:08:12 +04002251 }
2252
576aeb3a seyko2015-05-03 14:17:18 +03002253 if (s->output_type == 0)
89ad24e7 gus knight2015-07-29 16:53:57 -04002254 s->output_type = TCC_OUTPUT_EXE;
576aeb3a seyko2015-05-03 14:17:18 +03002255
05108a3b grischka2013-02-12 19:13:28 +01002256 if (pthread && s->output_type != TCC_OUTPUT_OBJ)
2257 tcc_set_options(s, "-lpthread");
0c928da9 Kirill Smelkov2010-06-20 20:08:12 +04002258
576aeb3a seyko2015-05-03 14:17:18 +03002259 if (s->output_type == TCC_OUTPUT_EXE)
89ad24e7 gus knight2015-07-29 16:53:57 -04002260 tcc_set_linker(s, (const char *)linker_arg.data);
05108a3b grischka2013-02-12 19:13:28 +01002261 cstr_free(&linker_arg);
0c928da9 Kirill Smelkov2010-06-20 20:08:12 +04002262
05108a3b grischka2013-02-12 19:13:28 +01002263 return optind;
2264}
2265
2266LIBTCCAPI int tcc_set_options(TCCState *s, const char *str)
2267{
2268 const char *s1;
2269 char **argv, *arg;
2270 int argc, len;
2271 int ret;
2272
2273 argc = 0, argv = NULL;
2274 for(;;) {
2275 while (is_space(*str))
2276 str++;
2277 if (*str == '\0')
2278 break;
2279 s1 = str;
2280 while (*str != '\0' && !is_space(*str))
2281 str++;
2282 len = str - s1;
2283 arg = tcc_malloc(len + 1);
2284 pstrncpy(arg, s1, len);
2285 dynarray_add((void ***)&argv, &argc, arg);
2286 }
2287 ret = tcc_parse_args(s, argc, argv);
2288 dynarray_reset(&argv, &argc);
2289 return ret;
0c928da9 Kirill Smelkov2010-06-20 20:08:12 +04002290}
8042121d grischka2013-02-10 00:38:40 +01002291
2292PUB_FUNC void tcc_print_stats(TCCState *s, int64_t total_time)
2293{
2294 double tt;
2295 tt = (double)total_time / 1000000.0;
2296 if (tt < 0.001)
2297 tt = 0.001;
2298 if (total_bytes < 1)
2299 total_bytes = 1;
cf92f7aa seyko2015-05-12 22:02:51 +03002300 fprintf(stderr, "%d idents, %d lines, %d bytes, %0.3f s, %d lines/s, %0.1f MB/s\n",
8042121d grischka2013-02-10 00:38:40 +01002301 tok_ident - TOK_IDENT, total_lines, total_bytes,
2302 tt, (int)(total_lines / tt),
2303 total_bytes / tt / 1000000.0);
2304}
0ad857c8
AA
Andrew Aladjev2013-02-19 14:47:36 +03002305
2306PUB_FUNC void tcc_set_environment(TCCState *s)
2307{
2308 char * path;
0650ab01 Joseph Poirier2013-11-08 13:24:15 -06002309
0ad857c8
AA
Andrew Aladjev2013-02-19 14:47:36 +03002310 path = getenv("C_INCLUDE_PATH");
2311 if(path != NULL) {
2312 tcc_add_include_path(s, path);
2313 }
2314 path = getenv("CPATH");
2315 if(path != NULL) {
2316 tcc_add_include_path(s, path);
2317 }
183b2ab1 Urs Janssen2013-02-19 14:41:58 +01002318 path = getenv("LIBRARY_PATH");
0ad857c8
AA
Andrew Aladjev2013-02-19 14:47:36 +03002319 if(path != NULL) {
2320 tcc_add_library_path(s, path);
2321 }
183b2ab1 Urs Janssen2013-02-19 14:41:58 +01002322}