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30fd33bb | 1 | /* elfedit.c -- Update the ELF header of an ELF format file |
fd67aa11 | 2 | Copyright (C) 2010-2024 Free Software Foundation, Inc. |
30fd33bb L |
3 | |
4 | This file is part of GNU Binutils. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 3 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program 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 | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA | |
19 | 02110-1301, USA. */ | |
20 | \f | |
8a6b075b | 21 | #include "config.h" |
30fd33bb | 22 | #include "sysdep.h" |
9c905051 | 23 | #include "libiberty.h" |
30fd33bb | 24 | #include <assert.h> |
30fd33bb L |
25 | |
26 | #if __GNUC__ >= 2 | |
27 | /* Define BFD64 here, even if our default architecture is 32 bit ELF | |
28 | as this will allow us to read in and parse 64bit and 32bit ELF files. | |
29 | Only do this if we believe that the compiler can support a 64 bit | |
30 | data type. For now we only rely on GCC being able to do this. */ | |
31 | #define BFD64 | |
32 | #endif | |
33 | ||
34 | #include "bfd.h" | |
3284fe0c | 35 | #include "elfcomm.h" |
30fd33bb L |
36 | #include "bucomm.h" |
37 | ||
38 | #include "elf/common.h" | |
39 | #include "elf/external.h" | |
40 | #include "elf/internal.h" | |
41 | ||
30fd33bb L |
42 | #include "getopt.h" |
43 | #include "libiberty.h" | |
44 | #include "safe-ctype.h" | |
45 | #include "filenames.h" | |
46 | ||
47 | char * program_name = "elfedit"; | |
48 | static long archive_file_offset; | |
49 | static unsigned long archive_file_size; | |
50 | static Elf_Internal_Ehdr elf_header; | |
51 | static Elf32_External_Ehdr ehdr32; | |
52 | static Elf64_External_Ehdr ehdr64; | |
53 | static int input_elf_machine = -1; | |
54 | static int output_elf_machine = -1; | |
dd35de74 L |
55 | static int input_elf_type = -1; |
56 | static int output_elf_type = -1; | |
d0514c49 L |
57 | static int input_elf_osabi = -1; |
58 | static int output_elf_osabi = -1; | |
c9dcc18f L |
59 | static int input_elf_abiversion = -1; |
60 | static int output_elf_abiversion = -1; | |
6c14750f L |
61 | enum elfclass |
62 | { | |
63 | ELF_CLASS_UNKNOWN = -1, | |
64 | ELF_CLASS_NONE = ELFCLASSNONE, | |
65 | ELF_CLASS_32 = ELFCLASS32, | |
66 | ELF_CLASS_64 = ELFCLASS64, | |
67 | ELF_CLASS_BOTH | |
68 | }; | |
69 | static enum elfclass input_elf_class = ELF_CLASS_UNKNOWN; | |
70 | static enum elfclass output_elf_class = ELF_CLASS_BOTH; | |
71 | ||
8a6b075b L |
72 | #ifdef HAVE_MMAP |
73 | #include <sys/mman.h> | |
74 | ||
75 | static unsigned int enable_x86_features; | |
76 | static unsigned int disable_x86_features; | |
77 | ||
78 | static int | |
79 | update_gnu_property (const char *file_name, FILE *file) | |
80 | { | |
81 | char *map; | |
82 | Elf_Internal_Phdr *phdrs; | |
83 | struct stat st_buf; | |
84 | unsigned int i; | |
85 | int ret; | |
86 | ||
87 | if (!enable_x86_features && !disable_x86_features) | |
88 | return 0; | |
89 | ||
90 | if (elf_header.e_machine != EM_386 | |
91 | && elf_header.e_machine != EM_X86_64) | |
92 | { | |
93 | error (_("%s: Not an i386 nor x86-64 ELF file\n"), file_name); | |
94 | return 0; | |
95 | } | |
96 | ||
97 | if (fstat (fileno (file), &st_buf) < 0) | |
98 | { | |
99 | error (_("%s: stat () failed\n"), file_name); | |
100 | return 1; | |
101 | } | |
102 | ||
103 | map = mmap (NULL, st_buf.st_size, PROT_READ | PROT_WRITE, | |
104 | MAP_SHARED, fileno (file), 0); | |
105 | if (map == MAP_FAILED) | |
106 | { | |
107 | error (_("%s: mmap () failed\n"), file_name); | |
108 | return 0; | |
109 | } | |
110 | ||
111 | phdrs = xmalloc (elf_header.e_phnum * sizeof (*phdrs)); | |
112 | ||
113 | if (elf_header.e_ident[EI_CLASS] == ELFCLASS32) | |
114 | { | |
115 | Elf32_External_Phdr *phdrs32 | |
116 | = (Elf32_External_Phdr *) (map + elf_header.e_phoff); | |
117 | for (i = 0; i < elf_header.e_phnum; i++) | |
118 | { | |
119 | phdrs[i].p_type = BYTE_GET (phdrs32[i].p_type); | |
120 | phdrs[i].p_offset = BYTE_GET (phdrs32[i].p_offset); | |
121 | phdrs[i].p_vaddr = BYTE_GET (phdrs32[i].p_vaddr); | |
122 | phdrs[i].p_paddr = BYTE_GET (phdrs32[i].p_paddr); | |
123 | phdrs[i].p_filesz = BYTE_GET (phdrs32[i].p_filesz); | |
124 | phdrs[i].p_memsz = BYTE_GET (phdrs32[i].p_memsz); | |
125 | phdrs[i].p_flags = BYTE_GET (phdrs32[i].p_flags); | |
126 | phdrs[i].p_align = BYTE_GET (phdrs32[i].p_align); | |
127 | } | |
128 | } | |
129 | else | |
130 | { | |
131 | Elf64_External_Phdr *phdrs64 | |
132 | = (Elf64_External_Phdr *) (map + elf_header.e_phoff); | |
133 | for (i = 0; i < elf_header.e_phnum; i++) | |
134 | { | |
135 | phdrs[i].p_type = BYTE_GET (phdrs64[i].p_type); | |
136 | phdrs[i].p_offset = BYTE_GET (phdrs64[i].p_offset); | |
137 | phdrs[i].p_vaddr = BYTE_GET (phdrs64[i].p_vaddr); | |
138 | phdrs[i].p_paddr = BYTE_GET (phdrs64[i].p_paddr); | |
139 | phdrs[i].p_filesz = BYTE_GET (phdrs64[i].p_filesz); | |
140 | phdrs[i].p_memsz = BYTE_GET (phdrs64[i].p_memsz); | |
141 | phdrs[i].p_flags = BYTE_GET (phdrs64[i].p_flags); | |
142 | phdrs[i].p_align = BYTE_GET (phdrs64[i].p_align); | |
143 | } | |
144 | } | |
145 | ||
146 | ret = 0; | |
147 | for (i = 0; i < elf_header.e_phnum; i++) | |
148 | if (phdrs[i].p_type == PT_NOTE) | |
149 | { | |
150 | size_t offset = phdrs[i].p_offset; | |
151 | size_t size = phdrs[i].p_filesz; | |
152 | size_t align = phdrs[i].p_align; | |
153 | char *buf = map + offset; | |
154 | char *p = buf; | |
155 | ||
156 | while (p < buf + size) | |
157 | { | |
158 | Elf_External_Note *xnp = (Elf_External_Note *) p; | |
159 | Elf_Internal_Note in; | |
160 | ||
161 | if (offsetof (Elf_External_Note, name) > buf - p + size) | |
162 | { | |
163 | ret = 1; | |
164 | goto out; | |
165 | } | |
166 | ||
167 | in.type = BYTE_GET (xnp->type); | |
168 | in.namesz = BYTE_GET (xnp->namesz); | |
169 | in.namedata = xnp->name; | |
170 | if (in.namesz > buf - in.namedata + size) | |
171 | { | |
172 | ret = 1; | |
173 | goto out; | |
174 | } | |
175 | ||
176 | in.descsz = BYTE_GET (xnp->descsz); | |
177 | in.descdata = p + ELF_NOTE_DESC_OFFSET (in.namesz, align); | |
178 | in.descpos = offset + (in.descdata - buf); | |
179 | if (in.descsz != 0 | |
180 | && (in.descdata >= buf + size | |
181 | || in.descsz > buf - in.descdata + size)) | |
182 | { | |
183 | ret = 1; | |
184 | goto out; | |
185 | } | |
186 | ||
187 | if (in.namesz == sizeof "GNU" | |
188 | && strcmp (in.namedata, "GNU") == 0 | |
189 | && in.type == NT_GNU_PROPERTY_TYPE_0) | |
190 | { | |
191 | unsigned char *ptr; | |
192 | unsigned char *ptr_end; | |
193 | ||
194 | if (in.descsz < 8 || (in.descsz % align) != 0) | |
195 | { | |
196 | ret = 1; | |
197 | goto out; | |
198 | } | |
199 | ||
200 | ptr = (unsigned char *) in.descdata; | |
201 | ptr_end = ptr + in.descsz; | |
202 | ||
203 | do | |
204 | { | |
205 | unsigned int type = byte_get (ptr, 4); | |
206 | unsigned int datasz = byte_get (ptr + 4, 4); | |
207 | unsigned int bitmask, old_bitmask; | |
208 | ||
209 | ptr += 8; | |
210 | if ((ptr + datasz) > ptr_end) | |
211 | { | |
212 | ret = 1; | |
213 | goto out; | |
214 | } | |
215 | ||
216 | if (type == GNU_PROPERTY_X86_FEATURE_1_AND) | |
217 | { | |
218 | if (datasz != 4) | |
219 | { | |
220 | ret = 1; | |
221 | goto out; | |
222 | } | |
223 | ||
224 | old_bitmask = byte_get (ptr, 4); | |
225 | bitmask = old_bitmask; | |
226 | if (enable_x86_features) | |
227 | bitmask |= enable_x86_features; | |
228 | if (disable_x86_features) | |
229 | bitmask &= ~disable_x86_features; | |
230 | if (old_bitmask != bitmask) | |
256878f3 | 231 | byte_put (ptr, bitmask, 4); |
8a6b075b L |
232 | goto out; |
233 | } | |
234 | ||
235 | ptr += ELF_ALIGN_UP (datasz, align); | |
236 | } | |
237 | while ((ptr_end - ptr) >= 8); | |
238 | } | |
239 | ||
240 | p += ELF_NOTE_NEXT_OFFSET (in.namesz, in.descsz, align); | |
241 | } | |
242 | } | |
243 | ||
dc1e8a47 | 244 | out: |
8a6b075b L |
245 | if (ret != 0) |
246 | error (_("%s: Invalid PT_NOTE segment\n"), file_name); | |
247 | ||
248 | free (phdrs); | |
249 | munmap (map, st_buf.st_size); | |
250 | ||
251 | return ret; | |
252 | } | |
253 | ||
254 | /* Set enable_x86_features and disable_x86_features for a feature | |
255 | string, FEATURE. */ | |
256 | ||
257 | static int | |
258 | elf_x86_feature (const char *feature, int enable) | |
259 | { | |
260 | unsigned int x86_feature; | |
261 | if (strcasecmp (feature, "ibt") == 0) | |
262 | x86_feature = GNU_PROPERTY_X86_FEATURE_1_IBT; | |
263 | else if (strcasecmp (feature, "shstk") == 0) | |
264 | x86_feature = GNU_PROPERTY_X86_FEATURE_1_SHSTK; | |
279d901e L |
265 | else if (strcasecmp (feature, "lam_u48") == 0) |
266 | x86_feature = GNU_PROPERTY_X86_FEATURE_1_LAM_U48; | |
267 | else if (strcasecmp (feature, "lam_u57") == 0) | |
268 | x86_feature = GNU_PROPERTY_X86_FEATURE_1_LAM_U57; | |
8a6b075b | 269 | else |
760ddef4 L |
270 | { |
271 | error (_("Unknown x86 feature: %s\n"), feature); | |
272 | return -1; | |
273 | } | |
8a6b075b L |
274 | |
275 | if (enable) | |
276 | { | |
277 | enable_x86_features |= x86_feature; | |
278 | disable_x86_features &= ~x86_feature; | |
279 | } | |
280 | else | |
281 | { | |
282 | disable_x86_features |= x86_feature; | |
283 | enable_x86_features &= ~x86_feature; | |
284 | } | |
285 | ||
286 | return 0; | |
287 | } | |
288 | #endif | |
289 | ||
6c14750f L |
290 | /* Return ELF class for a machine type, MACH. */ |
291 | ||
292 | static enum elfclass | |
293 | elf_class (int mach) | |
294 | { | |
295 | switch (mach) | |
296 | { | |
297 | case EM_386: | |
298 | case EM_IAMCU: | |
299 | return ELF_CLASS_32; | |
300 | case EM_L1OM: | |
301 | case EM_K1OM: | |
302 | return ELF_CLASS_64; | |
303 | case EM_X86_64: | |
304 | case EM_NONE: | |
305 | return ELF_CLASS_BOTH; | |
306 | default: | |
aa9f7286 | 307 | return ELF_CLASS_BOTH; |
6c14750f L |
308 | } |
309 | } | |
30fd33bb | 310 | |
30fd33bb L |
311 | static int |
312 | update_elf_header (const char *file_name, FILE *file) | |
313 | { | |
c9dcc18f | 314 | int class, machine, type, status, osabi, abiversion; |
30fd33bb | 315 | |
30fd33bb L |
316 | if (elf_header.e_ident[EI_VERSION] != EV_CURRENT) |
317 | { | |
3284fe0c | 318 | error |
30fd33bb L |
319 | (_("%s: Unsupported EI_VERSION: %d is not %d\n"), |
320 | file_name, elf_header.e_ident[EI_VERSION], | |
321 | EV_CURRENT); | |
322 | return 0; | |
323 | } | |
324 | ||
2dc654c3 L |
325 | /* Return if e_machine is the same as output_elf_machine. */ |
326 | if (output_elf_machine == elf_header.e_machine) | |
327 | return 1; | |
328 | ||
329 | class = elf_header.e_ident[EI_CLASS]; | |
6c14750f | 330 | machine = elf_header.e_machine; |
2dc654c3 | 331 | |
30fd33bb | 332 | /* Skip if class doesn't match. */ |
6c14750f L |
333 | if (input_elf_class == ELF_CLASS_UNKNOWN) |
334 | input_elf_class = elf_class (machine); | |
335 | ||
336 | if (input_elf_class != ELF_CLASS_BOTH | |
337 | && (int) input_elf_class != class) | |
30fd33bb | 338 | { |
3284fe0c | 339 | error |
6c14750f | 340 | (_("%s: Unmatched input EI_CLASS: %d is not %d\n"), |
2dc654c3 | 341 | file_name, class, input_elf_class); |
30fd33bb L |
342 | return 0; |
343 | } | |
344 | ||
6c14750f L |
345 | if (output_elf_class != ELF_CLASS_BOTH |
346 | && (int) output_elf_class != class) | |
347 | { | |
348 | error | |
349 | (_("%s: Unmatched output EI_CLASS: %d is not %d\n"), | |
350 | file_name, class, output_elf_class); | |
351 | return 0; | |
352 | } | |
30fd33bb L |
353 | |
354 | /* Skip if e_machine doesn't match. */ | |
2dc654c3 | 355 | if (input_elf_machine != -1 && machine != input_elf_machine) |
30fd33bb | 356 | { |
3284fe0c | 357 | error |
30fd33bb | 358 | (_("%s: Unmatched e_machine: %d is not %d\n"), |
2dc654c3 | 359 | file_name, machine, input_elf_machine); |
30fd33bb L |
360 | return 0; |
361 | } | |
362 | ||
dd35de74 L |
363 | type = elf_header.e_type; |
364 | ||
365 | /* Skip if e_type doesn't match. */ | |
366 | if (input_elf_type != -1 && type != input_elf_type) | |
367 | { | |
3284fe0c | 368 | error |
dd35de74 L |
369 | (_("%s: Unmatched e_type: %d is not %d\n"), |
370 | file_name, type, input_elf_type); | |
371 | return 0; | |
372 | } | |
373 | ||
d0514c49 L |
374 | osabi = elf_header.e_ident[EI_OSABI]; |
375 | ||
376 | /* Skip if OSABI doesn't match. */ | |
377 | if (input_elf_osabi != -1 && osabi != input_elf_osabi) | |
378 | { | |
3284fe0c | 379 | error |
d0514c49 L |
380 | (_("%s: Unmatched EI_OSABI: %d is not %d\n"), |
381 | file_name, osabi, input_elf_osabi); | |
382 | return 0; | |
383 | } | |
384 | ||
c9dcc18f L |
385 | abiversion = elf_header.e_ident[EI_ABIVERSION]; |
386 | ||
387 | /* Skip if ABIVERSION doesn't match. */ | |
388 | if (input_elf_abiversion != -1 | |
389 | && abiversion != input_elf_abiversion) | |
390 | { | |
391 | error | |
392 | (_("%s: Unmatched EI_ABIVERSION: %d is not %d\n"), | |
393 | file_name, abiversion, input_elf_abiversion); | |
394 | return 0; | |
395 | } | |
396 | ||
d0514c49 | 397 | /* Update e_machine, e_type and EI_OSABI. */ |
2dc654c3 | 398 | switch (class) |
30fd33bb L |
399 | { |
400 | default: | |
401 | /* We should never get here. */ | |
402 | abort (); | |
403 | break; | |
404 | case ELFCLASS32: | |
dd35de74 L |
405 | if (output_elf_machine != -1) |
406 | BYTE_PUT (ehdr32.e_machine, output_elf_machine); | |
407 | if (output_elf_type != -1) | |
408 | BYTE_PUT (ehdr32.e_type, output_elf_type); | |
d0514c49 L |
409 | if (output_elf_osabi != -1) |
410 | ehdr32.e_ident[EI_OSABI] = output_elf_osabi; | |
c9dcc18f L |
411 | if (output_elf_abiversion != -1) |
412 | ehdr32.e_ident[EI_ABIVERSION] = output_elf_abiversion; | |
30fd33bb L |
413 | status = fwrite (&ehdr32, sizeof (ehdr32), 1, file) == 1; |
414 | break; | |
415 | case ELFCLASS64: | |
dd35de74 L |
416 | if (output_elf_machine != -1) |
417 | BYTE_PUT (ehdr64.e_machine, output_elf_machine); | |
418 | if (output_elf_type != -1) | |
419 | BYTE_PUT (ehdr64.e_type, output_elf_type); | |
d0514c49 L |
420 | if (output_elf_osabi != -1) |
421 | ehdr64.e_ident[EI_OSABI] = output_elf_osabi; | |
c9dcc18f L |
422 | if (output_elf_abiversion != -1) |
423 | ehdr64.e_ident[EI_ABIVERSION] = output_elf_abiversion; | |
30fd33bb L |
424 | status = fwrite (&ehdr64, sizeof (ehdr64), 1, file) == 1; |
425 | break; | |
426 | } | |
427 | ||
428 | if (status != 1) | |
3284fe0c | 429 | error (_("%s: Failed to update ELF header: %s\n"), |
30fd33bb L |
430 | file_name, strerror (errno)); |
431 | ||
432 | return status; | |
433 | } | |
434 | ||
435 | static int | |
436 | get_file_header (FILE * file) | |
437 | { | |
438 | /* Read in the identity array. */ | |
439 | if (fread (elf_header.e_ident, EI_NIDENT, 1, file) != 1) | |
440 | return 0; | |
441 | ||
675accbd L |
442 | if (elf_header.e_ident[EI_MAG0] != ELFMAG0 |
443 | || elf_header.e_ident[EI_MAG1] != ELFMAG1 | |
444 | || elf_header.e_ident[EI_MAG2] != ELFMAG2 | |
445 | || elf_header.e_ident[EI_MAG3] != ELFMAG3) | |
446 | return 0; | |
447 | ||
30fd33bb L |
448 | /* Determine how to read the rest of the header. */ |
449 | switch (elf_header.e_ident[EI_DATA]) | |
450 | { | |
451 | default: /* fall through */ | |
452 | case ELFDATANONE: /* fall through */ | |
453 | case ELFDATA2LSB: | |
454 | byte_get = byte_get_little_endian; | |
455 | byte_put = byte_put_little_endian; | |
456 | break; | |
457 | case ELFDATA2MSB: | |
458 | byte_get = byte_get_big_endian; | |
459 | byte_put = byte_put_big_endian; | |
460 | break; | |
461 | } | |
462 | ||
463 | /* Read in the rest of the header. For now we only support 32 bit | |
464 | and 64 bit ELF files. */ | |
465 | switch (elf_header.e_ident[EI_CLASS]) | |
466 | { | |
467 | default: | |
30fd33bb L |
468 | return 0; |
469 | ||
470 | case ELFCLASS32: | |
471 | if (fread (ehdr32.e_type, sizeof (ehdr32) - EI_NIDENT, | |
472 | 1, file) != 1) | |
473 | return 0; | |
474 | ||
475 | elf_header.e_type = BYTE_GET (ehdr32.e_type); | |
476 | elf_header.e_machine = BYTE_GET (ehdr32.e_machine); | |
477 | elf_header.e_version = BYTE_GET (ehdr32.e_version); | |
478 | elf_header.e_entry = BYTE_GET (ehdr32.e_entry); | |
479 | elf_header.e_phoff = BYTE_GET (ehdr32.e_phoff); | |
480 | elf_header.e_shoff = BYTE_GET (ehdr32.e_shoff); | |
481 | elf_header.e_flags = BYTE_GET (ehdr32.e_flags); | |
482 | elf_header.e_ehsize = BYTE_GET (ehdr32.e_ehsize); | |
483 | elf_header.e_phentsize = BYTE_GET (ehdr32.e_phentsize); | |
484 | elf_header.e_phnum = BYTE_GET (ehdr32.e_phnum); | |
485 | elf_header.e_shentsize = BYTE_GET (ehdr32.e_shentsize); | |
486 | elf_header.e_shnum = BYTE_GET (ehdr32.e_shnum); | |
487 | elf_header.e_shstrndx = BYTE_GET (ehdr32.e_shstrndx); | |
488 | ||
489 | memcpy (&ehdr32, &elf_header, EI_NIDENT); | |
490 | break; | |
491 | ||
492 | case ELFCLASS64: | |
493 | /* If we have been compiled with sizeof (bfd_vma) == 4, then | |
494 | we will not be able to cope with the 64bit data found in | |
495 | 64 ELF files. Detect this now and abort before we start | |
496 | overwriting things. */ | |
497 | if (sizeof (bfd_vma) < 8) | |
498 | { | |
3284fe0c | 499 | error (_("This executable has been built without support for a\n\ |
30fd33bb L |
500 | 64 bit data type and so it cannot process 64 bit ELF files.\n")); |
501 | return 0; | |
502 | } | |
503 | ||
504 | if (fread (ehdr64.e_type, sizeof (ehdr64) - EI_NIDENT, | |
505 | 1, file) != 1) | |
506 | return 0; | |
507 | ||
508 | elf_header.e_type = BYTE_GET (ehdr64.e_type); | |
509 | elf_header.e_machine = BYTE_GET (ehdr64.e_machine); | |
510 | elf_header.e_version = BYTE_GET (ehdr64.e_version); | |
511 | elf_header.e_entry = BYTE_GET (ehdr64.e_entry); | |
512 | elf_header.e_phoff = BYTE_GET (ehdr64.e_phoff); | |
513 | elf_header.e_shoff = BYTE_GET (ehdr64.e_shoff); | |
514 | elf_header.e_flags = BYTE_GET (ehdr64.e_flags); | |
515 | elf_header.e_ehsize = BYTE_GET (ehdr64.e_ehsize); | |
516 | elf_header.e_phentsize = BYTE_GET (ehdr64.e_phentsize); | |
517 | elf_header.e_phnum = BYTE_GET (ehdr64.e_phnum); | |
518 | elf_header.e_shentsize = BYTE_GET (ehdr64.e_shentsize); | |
519 | elf_header.e_shnum = BYTE_GET (ehdr64.e_shnum); | |
520 | elf_header.e_shstrndx = BYTE_GET (ehdr64.e_shstrndx); | |
521 | ||
522 | memcpy (&ehdr64, &elf_header, EI_NIDENT); | |
523 | break; | |
524 | } | |
525 | return 1; | |
526 | } | |
527 | ||
528 | /* Process one ELF object file according to the command line options. | |
529 | This file may actually be stored in an archive. The file is | |
530 | positioned at the start of the ELF object. */ | |
531 | ||
532 | static int | |
533 | process_object (const char *file_name, FILE *file) | |
534 | { | |
535 | /* Rememeber where we are. */ | |
536 | long offset = ftell (file); | |
537 | ||
538 | if (! get_file_header (file)) | |
539 | { | |
3284fe0c | 540 | error (_("%s: Failed to read ELF header\n"), file_name); |
30fd33bb L |
541 | return 1; |
542 | } | |
543 | ||
544 | /* Go to the position of the ELF header. */ | |
545 | if (fseek (file, offset, SEEK_SET) != 0) | |
546 | { | |
3284fe0c | 547 | error (_("%s: Failed to seek to ELF header\n"), file_name); |
30fd33bb L |
548 | } |
549 | ||
550 | if (! update_elf_header (file_name, file)) | |
551 | return 1; | |
552 | ||
553 | return 0; | |
554 | } | |
555 | ||
30fd33bb L |
556 | /* Process an ELF archive. |
557 | On entry the file is positioned just after the ARMAG string. */ | |
558 | ||
559 | static int | |
560 | process_archive (const char * file_name, FILE * file, | |
015dc7e1 | 561 | bool is_thin_archive) |
30fd33bb L |
562 | { |
563 | struct archive_info arch; | |
564 | struct archive_info nested_arch; | |
565 | size_t got; | |
30fd33bb | 566 | int ret; |
780f96ae | 567 | struct stat statbuf; |
30fd33bb L |
568 | |
569 | /* The ARCH structure is used to hold information about this archive. */ | |
570 | arch.file_name = NULL; | |
571 | arch.file = NULL; | |
572 | arch.index_array = NULL; | |
573 | arch.sym_table = NULL; | |
574 | arch.longnames = NULL; | |
575 | ||
576 | /* The NESTED_ARCH structure is used as a single-item cache of information | |
577 | about a nested archive (when members of a thin archive reside within | |
578 | another regular archive file). */ | |
579 | nested_arch.file_name = NULL; | |
580 | nested_arch.file = NULL; | |
581 | nested_arch.index_array = NULL; | |
582 | nested_arch.sym_table = NULL; | |
583 | nested_arch.longnames = NULL; | |
584 | ||
780f96ae AM |
585 | if (fstat (fileno (file), &statbuf) < 0 |
586 | || setup_archive (&arch, file_name, file, statbuf.st_size, | |
015dc7e1 | 587 | is_thin_archive, false) != 0) |
30fd33bb L |
588 | { |
589 | ret = 1; | |
590 | goto out; | |
591 | } | |
592 | ||
30fd33bb L |
593 | ret = 0; |
594 | ||
595 | while (1) | |
596 | { | |
597 | char * name; | |
598 | size_t namelen; | |
599 | char * qualified_name; | |
600 | ||
601 | /* Read the next archive header. */ | |
602 | if (fseek (file, arch.next_arhdr_offset, SEEK_SET) != 0) | |
603 | { | |
3284fe0c | 604 | error (_("%s: failed to seek to next archive header\n"), |
30fd33bb L |
605 | file_name); |
606 | return 1; | |
607 | } | |
608 | got = fread (&arch.arhdr, 1, sizeof arch.arhdr, file); | |
609 | if (got != sizeof arch.arhdr) | |
610 | { | |
611 | if (got == 0) | |
612 | break; | |
3284fe0c | 613 | error (_("%s: failed to read archive header\n"), |
30fd33bb L |
614 | file_name); |
615 | ret = 1; | |
616 | break; | |
617 | } | |
618 | if (memcmp (arch.arhdr.ar_fmag, ARFMAG, 2) != 0) | |
619 | { | |
3284fe0c | 620 | error (_("%s: did not find a valid archive header\n"), |
30fd33bb L |
621 | arch.file_name); |
622 | ret = 1; | |
623 | break; | |
624 | } | |
625 | ||
626 | arch.next_arhdr_offset += sizeof arch.arhdr; | |
627 | ||
628 | archive_file_size = strtoul (arch.arhdr.ar_size, NULL, 10); | |
629 | if (archive_file_size & 01) | |
630 | ++archive_file_size; | |
631 | ||
632 | name = get_archive_member_name (&arch, &nested_arch); | |
633 | if (name == NULL) | |
634 | { | |
3284fe0c | 635 | error (_("%s: bad archive file name\n"), file_name); |
30fd33bb L |
636 | ret = 1; |
637 | break; | |
638 | } | |
639 | namelen = strlen (name); | |
640 | ||
641 | qualified_name = make_qualified_name (&arch, &nested_arch, name); | |
642 | if (qualified_name == NULL) | |
643 | { | |
3284fe0c | 644 | error (_("%s: bad archive file name\n"), file_name); |
fd486f32 | 645 | free (name); |
30fd33bb L |
646 | ret = 1; |
647 | break; | |
648 | } | |
649 | ||
650 | if (is_thin_archive && arch.nested_member_origin == 0) | |
651 | { | |
652 | /* This is a proxy for an external member of a thin archive. */ | |
653 | FILE *member_file; | |
654 | char *member_file_name = adjust_relative_path (file_name, | |
655 | name, namelen); | |
fd486f32 | 656 | free (name); |
30fd33bb L |
657 | if (member_file_name == NULL) |
658 | { | |
fd486f32 | 659 | free (qualified_name); |
30fd33bb L |
660 | ret = 1; |
661 | break; | |
662 | } | |
663 | ||
664 | member_file = fopen (member_file_name, "r+b"); | |
665 | if (member_file == NULL) | |
666 | { | |
3284fe0c | 667 | error (_("Input file '%s' is not readable\n"), |
30fd33bb L |
668 | member_file_name); |
669 | free (member_file_name); | |
fd486f32 | 670 | free (qualified_name); |
30fd33bb L |
671 | ret = 1; |
672 | break; | |
673 | } | |
674 | ||
675 | archive_file_offset = arch.nested_member_origin; | |
676 | ||
677 | ret |= process_object (qualified_name, member_file); | |
678 | ||
679 | fclose (member_file); | |
680 | free (member_file_name); | |
681 | } | |
682 | else if (is_thin_archive) | |
683 | { | |
fd486f32 AM |
684 | free (name); |
685 | ||
30fd33bb L |
686 | /* This is a proxy for a member of a nested archive. */ |
687 | archive_file_offset = arch.nested_member_origin + sizeof arch.arhdr; | |
688 | ||
689 | /* The nested archive file will have been opened and setup by | |
690 | get_archive_member_name. */ | |
691 | if (fseek (nested_arch.file, archive_file_offset, | |
692 | SEEK_SET) != 0) | |
693 | { | |
3284fe0c | 694 | error (_("%s: failed to seek to archive member\n"), |
30fd33bb | 695 | nested_arch.file_name); |
fd486f32 | 696 | free (qualified_name); |
30fd33bb L |
697 | ret = 1; |
698 | break; | |
699 | } | |
700 | ||
701 | ret |= process_object (qualified_name, nested_arch.file); | |
702 | } | |
703 | else | |
704 | { | |
fd486f32 | 705 | free (name); |
30fd33bb L |
706 | archive_file_offset = arch.next_arhdr_offset; |
707 | arch.next_arhdr_offset += archive_file_size; | |
708 | ||
709 | ret |= process_object (qualified_name, file); | |
710 | } | |
711 | ||
712 | free (qualified_name); | |
713 | } | |
714 | ||
715 | out: | |
716 | if (nested_arch.file != NULL) | |
717 | fclose (nested_arch.file); | |
718 | release_archive (&nested_arch); | |
719 | release_archive (&arch); | |
720 | ||
721 | return ret; | |
722 | } | |
723 | ||
724 | static int | |
725 | check_file (const char *file_name, struct stat *statbuf_p) | |
726 | { | |
727 | struct stat statbuf; | |
728 | ||
729 | if (statbuf_p == NULL) | |
730 | statbuf_p = &statbuf; | |
731 | ||
732 | if (stat (file_name, statbuf_p) < 0) | |
733 | { | |
734 | if (errno == ENOENT) | |
3284fe0c | 735 | error (_("'%s': No such file\n"), file_name); |
30fd33bb | 736 | else |
3284fe0c | 737 | error (_("Could not locate '%s'. System error message: %s\n"), |
30fd33bb L |
738 | file_name, strerror (errno)); |
739 | return 1; | |
740 | } | |
741 | ||
a7ad3cb1 EZ |
742 | #if defined (_WIN32) && !defined (__CYGWIN__) |
743 | else if (statbuf_p->st_size == 0) | |
744 | { | |
887854ba EZ |
745 | /* MS-Windows 'stat' reports the null device as a regular file; |
746 | fix that. */ | |
a7ad3cb1 EZ |
747 | int fd = open (file_name, O_RDONLY | O_BINARY); |
748 | if (isatty (fd)) | |
749 | { | |
750 | statbuf_p->st_mode &= ~S_IFREG; | |
751 | statbuf_p->st_mode |= S_IFCHR; | |
752 | } | |
753 | } | |
754 | #endif | |
755 | ||
30fd33bb L |
756 | if (! S_ISREG (statbuf_p->st_mode)) |
757 | { | |
3284fe0c | 758 | error (_("'%s' is not an ordinary file\n"), file_name); |
30fd33bb L |
759 | return 1; |
760 | } | |
761 | ||
762 | return 0; | |
763 | } | |
764 | ||
765 | static int | |
766 | process_file (const char *file_name) | |
767 | { | |
768 | FILE * file; | |
769 | char armag[SARMAG]; | |
770 | int ret; | |
771 | ||
772 | if (check_file (file_name, NULL)) | |
773 | return 1; | |
774 | ||
775 | file = fopen (file_name, "r+b"); | |
776 | if (file == NULL) | |
777 | { | |
3284fe0c | 778 | error (_("Input file '%s' is not readable\n"), file_name); |
30fd33bb L |
779 | return 1; |
780 | } | |
781 | ||
782 | if (fread (armag, SARMAG, 1, file) != 1) | |
783 | { | |
3284fe0c | 784 | error (_("%s: Failed to read file's magic number\n"), |
30fd33bb L |
785 | file_name); |
786 | fclose (file); | |
787 | return 1; | |
788 | } | |
789 | ||
790 | if (memcmp (armag, ARMAG, SARMAG) == 0) | |
015dc7e1 | 791 | ret = process_archive (file_name, file, false); |
30fd33bb | 792 | else if (memcmp (armag, ARMAGT, SARMAG) == 0) |
015dc7e1 | 793 | ret = process_archive (file_name, file, true); |
30fd33bb L |
794 | else |
795 | { | |
796 | rewind (file); | |
797 | archive_file_size = archive_file_offset = 0; | |
798 | ret = process_object (file_name, file); | |
8a6b075b L |
799 | #ifdef HAVE_MMAP |
800 | if (!ret | |
801 | && (elf_header.e_type == ET_EXEC | |
802 | || elf_header.e_type == ET_DYN)) | |
803 | ret = update_gnu_property (file_name, file); | |
804 | #endif | |
30fd33bb L |
805 | } |
806 | ||
807 | fclose (file); | |
808 | ||
809 | return ret; | |
810 | } | |
811 | ||
d0514c49 L |
812 | static const struct |
813 | { | |
814 | int osabi; | |
815 | const char *name; | |
816 | } | |
817 | osabis[] = | |
818 | { | |
819 | { ELFOSABI_NONE, "none" }, | |
820 | { ELFOSABI_HPUX, "HPUX" }, | |
821 | { ELFOSABI_NETBSD, "NetBSD" }, | |
9c55345c TS |
822 | { ELFOSABI_GNU, "GNU" }, |
823 | { ELFOSABI_GNU, "Linux" }, | |
d0514c49 L |
824 | { ELFOSABI_SOLARIS, "Solaris" }, |
825 | { ELFOSABI_AIX, "AIX" }, | |
826 | { ELFOSABI_IRIX, "Irix" }, | |
827 | { ELFOSABI_FREEBSD, "FreeBSD" }, | |
828 | { ELFOSABI_TRU64, "TRU64" }, | |
829 | { ELFOSABI_MODESTO, "Modesto" }, | |
830 | { ELFOSABI_OPENBSD, "OpenBSD" }, | |
831 | { ELFOSABI_OPENVMS, "OpenVMS" }, | |
832 | { ELFOSABI_NSK, "NSK" }, | |
833 | { ELFOSABI_AROS, "AROS" }, | |
834 | { ELFOSABI_FENIXOS, "FenixOS" } | |
835 | }; | |
836 | ||
837 | /* Return ELFOSABI_XXX for an OSABI string, OSABI. */ | |
838 | ||
839 | static int | |
840 | elf_osabi (const char *osabi) | |
841 | { | |
842 | unsigned int i; | |
843 | ||
844 | for (i = 0; i < ARRAY_SIZE (osabis); i++) | |
845 | if (strcasecmp (osabi, osabis[i].name) == 0) | |
846 | return osabis[i].osabi; | |
847 | ||
3284fe0c | 848 | error (_("Unknown OSABI: %s\n"), osabi); |
d0514c49 L |
849 | |
850 | return -1; | |
851 | } | |
852 | ||
30fd33bb L |
853 | /* Return EM_XXX for a machine string, MACH. */ |
854 | ||
855 | static int | |
856 | elf_machine (const char *mach) | |
857 | { | |
6c14750f L |
858 | if (strcasecmp (mach, "i386") == 0) |
859 | return EM_386; | |
860 | if (strcasecmp (mach, "iamcu") == 0) | |
861 | return EM_IAMCU; | |
30fd33bb L |
862 | if (strcasecmp (mach, "l1om") == 0) |
863 | return EM_L1OM; | |
7a9068fe L |
864 | if (strcasecmp (mach, "k1om") == 0) |
865 | return EM_K1OM; | |
30fd33bb L |
866 | if (strcasecmp (mach, "x86_64") == 0) |
867 | return EM_X86_64; | |
868 | if (strcasecmp (mach, "x86-64") == 0) | |
869 | return EM_X86_64; | |
870 | if (strcasecmp (mach, "none") == 0) | |
871 | return EM_NONE; | |
872 | ||
3284fe0c | 873 | error (_("Unknown machine type: %s\n"), mach); |
30fd33bb L |
874 | |
875 | return -1; | |
876 | } | |
877 | ||
dd35de74 L |
878 | /* Return ET_XXX for a type string, TYPE. */ |
879 | ||
880 | static int | |
881 | elf_type (const char *type) | |
882 | { | |
883 | if (strcasecmp (type, "rel") == 0) | |
884 | return ET_REL; | |
885 | if (strcasecmp (type, "exec") == 0) | |
886 | return ET_EXEC; | |
887 | if (strcasecmp (type, "dyn") == 0) | |
888 | return ET_DYN; | |
889 | if (strcasecmp (type, "none") == 0) | |
890 | return ET_NONE; | |
891 | ||
3284fe0c | 892 | error (_("Unknown type: %s\n"), type); |
dd35de74 L |
893 | |
894 | return -1; | |
895 | } | |
896 | ||
30fd33bb L |
897 | enum command_line_switch |
898 | { | |
899 | OPTION_INPUT_MACH = 150, | |
dd35de74 L |
900 | OPTION_OUTPUT_MACH, |
901 | OPTION_INPUT_TYPE, | |
d0514c49 L |
902 | OPTION_OUTPUT_TYPE, |
903 | OPTION_INPUT_OSABI, | |
8a6b075b | 904 | OPTION_OUTPUT_OSABI, |
c9dcc18f L |
905 | OPTION_INPUT_ABIVERSION, |
906 | OPTION_OUTPUT_ABIVERSION, | |
8a6b075b L |
907 | #ifdef HAVE_MMAP |
908 | OPTION_ENABLE_X86_FEATURE, | |
909 | OPTION_DISABLE_X86_FEATURE, | |
910 | #endif | |
30fd33bb L |
911 | }; |
912 | ||
913 | static struct option options[] = | |
914 | { | |
915 | {"input-mach", required_argument, 0, OPTION_INPUT_MACH}, | |
916 | {"output-mach", required_argument, 0, OPTION_OUTPUT_MACH}, | |
dd35de74 L |
917 | {"input-type", required_argument, 0, OPTION_INPUT_TYPE}, |
918 | {"output-type", required_argument, 0, OPTION_OUTPUT_TYPE}, | |
d0514c49 L |
919 | {"input-osabi", required_argument, 0, OPTION_INPUT_OSABI}, |
920 | {"output-osabi", required_argument, 0, OPTION_OUTPUT_OSABI}, | |
c9dcc18f L |
921 | {"input-abiversion", required_argument, 0, OPTION_INPUT_ABIVERSION}, |
922 | {"output-abiversion", required_argument, 0, OPTION_OUTPUT_ABIVERSION}, | |
8a6b075b L |
923 | #ifdef HAVE_MMAP |
924 | {"enable-x86-feature", | |
925 | required_argument, 0, OPTION_ENABLE_X86_FEATURE}, | |
926 | {"disable-x86-feature", | |
927 | required_argument, 0, OPTION_DISABLE_X86_FEATURE}, | |
928 | #endif | |
30fd33bb L |
929 | {"version", no_argument, 0, 'v'}, |
930 | {"help", no_argument, 0, 'h'}, | |
931 | {0, no_argument, 0, 0} | |
932 | }; | |
933 | ||
1e0f0b4d | 934 | ATTRIBUTE_NORETURN static void |
30fd33bb L |
935 | usage (FILE *stream, int exit_status) |
936 | { | |
9c905051 | 937 | unsigned int i; |
a4e91c46 | 938 | char *osabi = concat (osabis[0].name, NULL); |
9c905051 | 939 | |
a4e91c46 | 940 | for (i = 1; i < ARRAY_SIZE (osabis); i++) |
2e635a01 | 941 | osabi = reconcat (osabi, osabi, "|", osabis[i].name, NULL); |
9c905051 | 942 | |
d0514c49 | 943 | fprintf (stream, _("Usage: %s <option(s)> elffile(s)\n"), |
30fd33bb L |
944 | program_name); |
945 | fprintf (stream, _(" Update the ELF header of ELF files\n")); | |
946 | fprintf (stream, _(" The options are:\n")); | |
947 | fprintf (stream, _("\ | |
9c905051 L |
948 | --input-mach [none|i386|iamcu|l1om|k1om|x86_64]\n\ |
949 | Set input machine type\n\ | |
950 | --output-mach [none|i386|iamcu|l1om|k1om|x86_64]\n\ | |
951 | Set output machine type\n\ | |
952 | --input-type [none|rel|exec|dyn]\n\ | |
953 | Set input file type\n\ | |
954 | --output-type [none|rel|exec|dyn]\n\ | |
955 | Set output file type\n\ | |
956 | --input-osabi [%s]\n\ | |
957 | Set input OSABI\n\ | |
958 | --output-osabi [%s]\n\ | |
c9dcc18f | 959 | Set output OSABI\n\ |
b6e7fb95 L |
960 | --input-abiversion [0-255] Set input ABIVERSION\n\ |
961 | --output-abiversion [0-255] Set output ABIVERSION\n"), | |
9c905051 | 962 | osabi, osabi); |
8a6b075b L |
963 | #ifdef HAVE_MMAP |
964 | fprintf (stream, _("\ | |
279d901e | 965 | --enable-x86-feature [ibt|shstk|lam_u48|lam_u57]\n\ |
9c905051 | 966 | Enable x86 feature\n\ |
279d901e | 967 | --disable-x86-feature [ibt|shstk|lam_u48|lam_u57]\n\ |
9c905051 | 968 | Disable x86 feature\n")); |
8a6b075b L |
969 | #endif |
970 | fprintf (stream, _("\ | |
30fd33bb L |
971 | -h --help Display this information\n\ |
972 | -v --version Display the version number of %s\n\ | |
973 | "), | |
974 | program_name); | |
975 | if (REPORT_BUGS_TO[0] && exit_status == 0) | |
976 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); | |
9c905051 | 977 | free (osabi); |
30fd33bb L |
978 | exit (exit_status); |
979 | } | |
980 | ||
981 | int | |
982 | main (int argc, char ** argv) | |
983 | { | |
984 | int c, status; | |
c9dcc18f | 985 | char *end; |
30fd33bb | 986 | |
87b9f255 | 987 | #ifdef HAVE_LC_MESSAGES |
30fd33bb L |
988 | setlocale (LC_MESSAGES, ""); |
989 | #endif | |
30fd33bb | 990 | setlocale (LC_CTYPE, ""); |
30fd33bb L |
991 | bindtextdomain (PACKAGE, LOCALEDIR); |
992 | textdomain (PACKAGE); | |
993 | ||
994 | expandargv (&argc, &argv); | |
995 | ||
996 | while ((c = getopt_long (argc, argv, "hv", | |
997 | options, (int *) 0)) != EOF) | |
998 | { | |
999 | switch (c) | |
1000 | { | |
1001 | case OPTION_INPUT_MACH: | |
1002 | input_elf_machine = elf_machine (optarg); | |
1003 | if (input_elf_machine < 0) | |
1004 | return 1; | |
1005 | input_elf_class = elf_class (input_elf_machine); | |
6c14750f | 1006 | if (input_elf_class == ELF_CLASS_UNKNOWN) |
30fd33bb L |
1007 | return 1; |
1008 | break; | |
1009 | ||
1010 | case OPTION_OUTPUT_MACH: | |
1011 | output_elf_machine = elf_machine (optarg); | |
1012 | if (output_elf_machine < 0) | |
1013 | return 1; | |
6c14750f L |
1014 | output_elf_class = elf_class (output_elf_machine); |
1015 | if (output_elf_class == ELF_CLASS_UNKNOWN) | |
1016 | return 1; | |
30fd33bb L |
1017 | break; |
1018 | ||
dd35de74 L |
1019 | case OPTION_INPUT_TYPE: |
1020 | input_elf_type = elf_type (optarg); | |
1021 | if (input_elf_type < 0) | |
1022 | return 1; | |
1023 | break; | |
1024 | ||
1025 | case OPTION_OUTPUT_TYPE: | |
1026 | output_elf_type = elf_type (optarg); | |
1027 | if (output_elf_type < 0) | |
1028 | return 1; | |
1029 | break; | |
1030 | ||
d0514c49 L |
1031 | case OPTION_INPUT_OSABI: |
1032 | input_elf_osabi = elf_osabi (optarg); | |
1033 | if (input_elf_osabi < 0) | |
1034 | return 1; | |
1035 | break; | |
1036 | ||
1037 | case OPTION_OUTPUT_OSABI: | |
1038 | output_elf_osabi = elf_osabi (optarg); | |
1039 | if (output_elf_osabi < 0) | |
1040 | return 1; | |
1041 | break; | |
1042 | ||
c9dcc18f L |
1043 | case OPTION_INPUT_ABIVERSION: |
1044 | input_elf_abiversion = strtoul (optarg, &end, 0); | |
1045 | if (*end != '\0' | |
1046 | || input_elf_abiversion < 0 | |
1047 | || input_elf_abiversion > 255) | |
1048 | { | |
1049 | error (_("Invalid ABIVERSION: %s\n"), optarg); | |
1050 | return 1; | |
1051 | } | |
1052 | break; | |
1053 | ||
1054 | case OPTION_OUTPUT_ABIVERSION: | |
1055 | output_elf_abiversion = strtoul (optarg, &end, 0); | |
1056 | if (*end != '\0' | |
1057 | || output_elf_abiversion < 0 | |
1058 | || output_elf_abiversion > 255) | |
1059 | { | |
1060 | error (_("Invalid ABIVERSION: %s\n"), optarg); | |
1061 | return 1; | |
1062 | } | |
1063 | break; | |
1064 | ||
8a6b075b L |
1065 | #ifdef HAVE_MMAP |
1066 | case OPTION_ENABLE_X86_FEATURE: | |
1067 | if (elf_x86_feature (optarg, 1) < 0) | |
1068 | return 1; | |
1069 | break; | |
1070 | ||
1071 | case OPTION_DISABLE_X86_FEATURE: | |
1072 | if (elf_x86_feature (optarg, 0) < 0) | |
1073 | return 1; | |
1074 | break; | |
1075 | #endif | |
1076 | ||
30fd33bb L |
1077 | case 'h': |
1078 | usage (stdout, 0); | |
1079 | ||
1080 | case 'v': | |
1081 | print_version (program_name); | |
1082 | break; | |
1083 | ||
1084 | default: | |
1085 | usage (stderr, 1); | |
1086 | } | |
1087 | } | |
1088 | ||
dd35de74 L |
1089 | if (optind == argc |
1090 | || (output_elf_machine == -1 | |
8a6b075b L |
1091 | #ifdef HAVE_MMAP |
1092 | && ! enable_x86_features | |
1093 | && ! disable_x86_features | |
1094 | #endif | |
d0514c49 | 1095 | && output_elf_type == -1 |
c9dcc18f L |
1096 | && output_elf_osabi == -1 |
1097 | && output_elf_abiversion == -1)) | |
30fd33bb L |
1098 | usage (stderr, 1); |
1099 | ||
1100 | status = 0; | |
1101 | while (optind < argc) | |
1102 | status |= process_file (argv[optind++]); | |
1103 | ||
1104 | return status; | |
1105 | } |