1 /* -------------------------------------------------------------- */
3 * TCC - Tiny C Compiler
5 * tcctools.c - extra tools and and -m32/64 support
9 /* -------------------------------------------------------------- */
11 * This program is for making libtcc1.a without ar
12 * tiny_libmaker - tiny elf lib maker
13 * usage: tiny_libmaker [lib] files...
14 * Copyright (c) 2007 Timppa
16 * This library is free software; you can redistribute it and/or
17 * modify it under the terms of the GNU Lesser General Public
18 * License as published by the Free Software Foundation; either
19 * version 2 of the License, or (at your option) any later version.
21 * This library is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
24 * Lesser General Public License for more details.
26 * You should have received a copy of the GNU Lesser General Public
27 * License along with this library; if not, write to the Free Software
28 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
33 //#define ARMAG "!<arch>\n"
46 static unsigned long le2belong(unsigned long ul
) {
47 return ((ul
& 0xFF0000)>>8)+((ul
& 0xFF000000)>>24) +
48 ((ul
& 0xFF)<<24)+((ul
& 0xFF00)<<8);
51 /* Returns 1 if s contains any of the chars of list, else 0 */
52 static int contains_any(const char *s
, const char *list
) {
55 for (l
= list
; *l
; l
++) {
63 static int ar_usage(int ret
) {
64 fprintf(stderr
, "usage: tcc -ar [rcsv] lib file...\n");
65 fprintf(stderr
, "create library ([abdioptxN] not supported).\n");
69 ST_FUNC
int tcc_tool_ar(TCCState
*s1
, int argc
, char **argv
)
71 static ArHdr arhdr
= {
81 static ArHdr arhdro
= {
91 FILE *fi
, *fh
= NULL
, *fo
= NULL
;
95 int i
, fsize
, i_lib
, i_obj
;
96 char *buf
, *shstr
, *symtab
= NULL
, *strtab
= NULL
;
97 int symtabsize
= 0;//, strtabsize = 0;
100 int istrlen
, strpos
= 0, fpos
= 0, funccnt
= 0, funcmax
, hofs
;
101 char tfile
[260], stmp
[20];
104 const char *ops_conflict
= "habdioptxN"; // unsupported but destructive if ignored.
107 (void) s1
; /* not used */
108 i_lib
= 0; i_obj
= 0; // will hold the index of the lib and first obj
109 for (i
= 1; i
< argc
; i
++) {
110 const char *a
= argv
[i
];
111 if (*a
== '-' && strstr(a
, "."))
112 ret
= 1; // -x.y is always invalid (same as gnu ar)
113 if ((*a
== '-') || (i
== 1 && !strstr(a
, "."))) { // options argument
114 if (contains_any(a
, ops_conflict
))
118 } else { // lib or obj files: don't abort - keep validating all args.
119 if (!i_lib
) // first file is the lib
121 else if (!i_obj
) // second file is the first obj
126 if (!i_obj
) // i_obj implies also i_lib. we require both.
130 return ar_usage(ret
);
132 if ((fh
= fopen(argv
[i_lib
], "wb")) == NULL
)
134 fprintf(stderr
, "tcc: ar: can't open file %s \n", argv
[i_lib
]);
138 sprintf(tfile
, "%s.tmp", argv
[i_lib
]);
139 if ((fo
= fopen(tfile
, "wb+")) == NULL
)
141 fprintf(stderr
, "tcc: ar: can't create temporary file %s\n", tfile
);
146 afpos
= tcc_realloc(NULL
, funcmax
* sizeof *afpos
); // 250 func
147 memcpy(&arhdro
.ar_mode
, "100666", 6);
149 // i_obj = first input object file
152 if (*argv
[i_obj
] == '-') { // by now, all options start with '-'
156 if ((fi
= fopen(argv
[i_obj
], "rb")) == NULL
) {
157 fprintf(stderr
, "tcc: ar: can't open file %s \n", argv
[i_obj
]);
161 printf("a - %s\n", argv
[i_obj
]);
163 fseek(fi
, 0, SEEK_END
);
165 fseek(fi
, 0, SEEK_SET
);
166 buf
= tcc_malloc(fsize
+ 1);
167 fread(buf
, fsize
, 1, fi
);
171 ehdr
= (ElfW(Ehdr
) *)buf
;
172 if (ehdr
->e_ident
[4] != ELFCLASSW
)
174 fprintf(stderr
, "tcc: ar: Unsupported Elf Class: %s\n", argv
[i_obj
]);
178 shdr
= (ElfW(Shdr
) *) (buf
+ ehdr
->e_shoff
+ ehdr
->e_shstrndx
* ehdr
->e_shentsize
);
179 shstr
= (char *)(buf
+ shdr
->sh_offset
);
180 for (i
= 0; i
< ehdr
->e_shnum
; i
++)
182 shdr
= (ElfW(Shdr
) *) (buf
+ ehdr
->e_shoff
+ i
* ehdr
->e_shentsize
);
183 if (!shdr
->sh_offset
)
185 if (shdr
->sh_type
== SHT_SYMTAB
)
187 symtab
= (char *)(buf
+ shdr
->sh_offset
);
188 symtabsize
= shdr
->sh_size
;
190 if (shdr
->sh_type
== SHT_STRTAB
)
192 if (!strcmp(shstr
+ shdr
->sh_name
, ".strtab"))
194 strtab
= (char *)(buf
+ shdr
->sh_offset
);
195 //strtabsize = shdr->sh_size;
200 if (symtab
&& symtabsize
)
202 int nsym
= symtabsize
/ sizeof(ElfW(Sym
));
203 //printf("symtab: info size shndx name\n");
204 for (i
= 1; i
< nsym
; i
++)
206 sym
= (ElfW(Sym
) *) (symtab
+ i
* sizeof(ElfW(Sym
)));
208 (sym
->st_info
== 0x10
209 || sym
->st_info
== 0x11
210 || sym
->st_info
== 0x12
212 //printf("symtab: %2Xh %4Xh %2Xh %s\n", sym->st_info, sym->st_size, sym->st_shndx, strtab + sym->st_name);
213 istrlen
= strlen(strtab
+ sym
->st_name
)+1;
214 anames
= tcc_realloc(anames
, strpos
+istrlen
);
215 strcpy(anames
+ strpos
, strtab
+ sym
->st_name
);
217 if (++funccnt
>= funcmax
) {
219 afpos
= tcc_realloc(afpos
, funcmax
* sizeof *afpos
); // 250 func more
221 afpos
[funccnt
] = fpos
;
227 for (name
= strchr(file
, 0);
228 name
> file
&& name
[-1] != '/' && name
[-1] != '\\';
230 istrlen
= strlen(name
);
231 if (istrlen
>= sizeof(arhdro
.ar_name
))
232 istrlen
= sizeof(arhdro
.ar_name
) - 1;
233 memset(arhdro
.ar_name
, ' ', sizeof(arhdro
.ar_name
));
234 memcpy(arhdro
.ar_name
, name
, istrlen
);
235 arhdro
.ar_name
[istrlen
] = '/';
236 sprintf(stmp
, "%-10d", fsize
);
237 memcpy(&arhdro
.ar_size
, stmp
, 10);
238 fwrite(&arhdro
, sizeof(arhdro
), 1, fo
);
239 fwrite(buf
, fsize
, 1, fo
);
242 fpos
+= (fsize
+ sizeof(arhdro
));
244 hofs
= 8 + sizeof(arhdr
) + strpos
+ (funccnt
+1) * sizeof(int);
246 if ((hofs
& 1)) // align
249 fwrite("!<arch>\n", 8, 1, fh
);
250 sprintf(stmp
, "%-10d", (int)(strpos
+ (funccnt
+1) * sizeof(int)));
251 memcpy(&arhdr
.ar_size
, stmp
, 10);
252 fwrite(&arhdr
, sizeof(arhdr
), 1, fh
);
253 afpos
[0] = le2belong(funccnt
);
254 for (i
=1; i
<=funccnt
; i
++)
255 afpos
[i
] = le2belong(afpos
[i
] + hofs
);
256 fwrite(afpos
, (funccnt
+1) * sizeof(int), 1, fh
);
257 fwrite(anames
, strpos
, 1, fh
);
259 fwrite("", 1, 1, fh
);
261 fseek(fo
, 0, SEEK_END
);
263 fseek(fo
, 0, SEEK_SET
);
264 buf
= tcc_malloc(fsize
+ 1);
265 fread(buf
, fsize
, 1, fo
);
266 fwrite(buf
, fsize
, 1, fh
);
277 fclose(fo
), remove(tfile
);
281 /* -------------------------------------------------------------- */
283 * tiny_impdef creates an export definition file (.def) from a dll
284 * on MS-Windows. Usage: tiny_impdef library.dll [-o outputfile]"
286 * Copyright (c) 2005,2007 grischka
288 * This program is free software; you can redistribute it and/or modify
289 * it under the terms of the GNU General Public License as published by
290 * the Free Software Foundation; either version 2 of the License, or
291 * (at your option) any later version.
293 * This program is distributed in the hope that it will be useful,
294 * but WITHOUT ANY WARRANTY; without even the implied warranty of
295 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
296 * GNU General Public License for more details.
298 * You should have received a copy of the GNU General Public License
299 * along with this program; if not, write to the Free Software
300 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
305 ST_FUNC
int tcc_tool_impdef(TCCState
*s1
, int argc
, char **argv
)
319 infile
[0] = outfile
[0] = 0;
325 (void) s1
; /* not used */
326 for (i
= 1; i
< argc
; ++i
) {
327 const char *a
= argv
[i
];
329 if (0 == strcmp(a
, "-v")) {
331 } else if (0 == strcmp(a
, "-o")) {
334 strcpy(outfile
, argv
[i
]);
337 } else if (0 == infile
[0])
343 if (0 == infile
[0]) {
346 "usage: tcc -impdef library.dll [-v] [-o outputfile]\n"
347 "create export definition file (.def) from dll\n"
352 if (0 == outfile
[0]) {
353 strcpy(outfile
, tcc_basename(infile
));
354 q
= strrchr(outfile
, '.');
356 q
= strchr(outfile
, 0);
362 if (SearchPath(NULL
, file
, ".dll", sizeof path
, path
, NULL
))
365 ret
= tcc_get_dllexports(file
, &p
);
367 fprintf(stderr
, "tcc: impdef: %s '%s'\n",
368 ret
== 32 ? "can't read symbols from 32bit" :
369 ret
== 64 ? "can't read symbols from 64bit" :
370 ret
== -1 ? "can't find file" :
371 ret
== 0 ? "no symbols found in" :
372 "unknown file type", file
);
378 printf("-> %s\n", file
);
380 op
= fopen(outfile
, "w");
382 fprintf(stderr
, "tcc: impdef: could not create output file: %s\n", outfile
);
386 fprintf(op
, "LIBRARY %s\n\nEXPORTS\n", tcc_basename(file
));
387 for (q
= p
, i
= 0; *q
; ++i
) {
388 fprintf(op
, "%s\n", q
);
393 printf("<- %s (%d symbol%s)\n", outfile
, i
, "s"[i
<2]);
398 /* cannot free memory received from tcc_get_dllexports
399 if it came from a dll */
409 #endif /* TCC_TARGET_PE */
411 /* -------------------------------------------------------------- */
413 * TCC - Tiny C Compiler
415 * Copyright (c) 2001-2004 Fabrice Bellard
417 * This library is free software; you can redistribute it and/or
418 * modify it under the terms of the GNU Lesser General Public
419 * License as published by the Free Software Foundation; either
420 * version 2 of the License, or (at your option) any later version.
422 * This library is distributed in the hope that it will be useful,
423 * but WITHOUT ANY WARRANTY; without even the implied warranty of
424 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
425 * Lesser General Public License for more details.
427 * You should have received a copy of the GNU Lesser General Public
428 * License along with this library; if not, write to the Free Software
429 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
432 /* re-execute the i386/x86_64 cross-compilers with tcc -m32/-m64: */
434 #if !defined TCC_TARGET_I386 && !defined TCC_TARGET_X86_64
436 ST_FUNC
void tcc_tool_cross(TCCState
*s
, char **argv
, int option
)
438 (void) s
; (void) argv
; /* not used */
439 tcc_error("-m%d not implemented.", option
);
446 static char *str_replace(const char *str
, const char *p
, const char *r
)
455 for (d0
= NULL
;; d0
= tcc_malloc(sl
+ 1)) {
456 for (d
= d0
, s
= str
; s0
= s
, s
= strstr(s
, p
), s
; s
+= pl
) {
458 memcpy(d
, s0
, sl
= s
- s0
), d
+= sl
;
459 memcpy(d
, r
, rl
), d
+= rl
;
470 static int execvp_win32(const char *prog
, char **argv
)
473 /* replace all " by \" */
474 for (p
= argv
; *p
; ++p
)
476 *p
= str_replace(*p
, "\"", "\\\"");
477 ret
= _spawnvp(P_NOWAIT
, prog
, (const char *const*)argv
);
480 _cwait(&ret
, ret
, WAIT_CHILD
);
483 #define execvp execvp_win32
486 ST_FUNC
void tcc_tool_cross(TCCState
*s
, char **argv
, int target
)
490 int prefix
= tcc_basename(a0
) - a0
;
492 (void) s
; /* not used */
493 snprintf(program
, sizeof program
,
502 , prefix
, a0
, target
== 64 ? "x86_64" : "i386");
504 if (strcmp(a0
, program
))
505 execvp(argv
[0] = program
, argv
);
506 tcc_error("could not run '%s'", program
);
509 #endif /* TCC_TARGET_I386 && TCC_TARGET_X86_64 */
510 /* -------------------------------------------------------------- */
511 /* enable commandline wildcard expansion (tcc -o x.exe *.c) */
520 /* -------------------------------------------------------------- */
521 /* generate xxx.d file */
523 ST_FUNC
void gen_makedeps(TCCState
*s
, const char *target
, const char *filename
)
530 /* compute filename automatically: dir/file.o -> dir/file.d */
531 snprintf(buf
, sizeof buf
, "%.*s.d",
532 (int)(tcc_fileextension(target
) - target
), target
);
537 printf("<- %s\n", filename
);
539 /* XXX return err codes instead of error() ? */
540 depout
= fopen(filename
, "w");
542 tcc_error("could not open '%s'", filename
);
544 fprintf(depout
, "%s: \\\n", target
);
545 for (i
=0; i
<s
->nb_target_deps
; ++i
)
546 fprintf(depout
, " %s \\\n", s
->target_deps
[i
]);
547 fprintf(depout
, "\n");
551 /* -------------------------------------------------------------- */