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30fd33bb L |
1 | /* elfedit.c -- Update the ELF header of an ELF format file |
2 | Copyright 2010 | |
3 | Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of GNU Binutils. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA | |
20 | 02110-1301, USA. */ | |
21 | \f | |
22 | #include "config.h" | |
23 | #include "sysdep.h" | |
24 | #include <assert.h> | |
25 | #include <sys/stat.h> | |
26 | ||
27 | #if __GNUC__ >= 2 | |
28 | /* Define BFD64 here, even if our default architecture is 32 bit ELF | |
29 | as this will allow us to read in and parse 64bit and 32bit ELF files. | |
30 | Only do this if we believe that the compiler can support a 64 bit | |
31 | data type. For now we only rely on GCC being able to do this. */ | |
32 | #define BFD64 | |
33 | #endif | |
34 | ||
35 | #include "bfd.h" | |
36 | #include "bucomm.h" | |
37 | ||
38 | #include "elf/common.h" | |
39 | #include "elf/external.h" | |
40 | #include "elf/internal.h" | |
41 | ||
42 | ||
43 | #include "aout/ar.h" | |
44 | ||
45 | #include "getopt.h" | |
46 | #include "libiberty.h" | |
47 | #include "safe-ctype.h" | |
48 | #include "filenames.h" | |
49 | ||
50 | char * program_name = "elfedit"; | |
51 | static long archive_file_offset; | |
52 | static unsigned long archive_file_size; | |
53 | static Elf_Internal_Ehdr elf_header; | |
54 | static Elf32_External_Ehdr ehdr32; | |
55 | static Elf64_External_Ehdr ehdr64; | |
56 | static int input_elf_machine = -1; | |
57 | static int output_elf_machine = -1; | |
dd35de74 L |
58 | static int input_elf_type = -1; |
59 | static int output_elf_type = -1; | |
d0514c49 L |
60 | static int input_elf_osabi = -1; |
61 | static int output_elf_osabi = -1; | |
30fd33bb L |
62 | static int input_elf_class = -1; |
63 | ||
64 | #define streq(a,b) (strcmp ((a), (b)) == 0) | |
65 | #define strneq(a,b,n) (strncmp ((a), (b), (n)) == 0) | |
66 | #define const_strneq(a,b) (strncmp ((a), (b), sizeof (b) - 1) == 0) | |
67 | ||
68 | void | |
69 | non_fatal (const char *message, ...) | |
70 | { | |
71 | va_list args; | |
72 | ||
73 | va_start (args, message); | |
74 | fprintf (stderr, _("%s: Error: "), program_name); | |
75 | vfprintf (stderr, message, args); | |
76 | va_end (args); | |
77 | } | |
78 | ||
79 | #define BYTE_GET(field) byte_get (field, sizeof (field)) | |
80 | #define BYTE_PUT(field, val) byte_put (field, val, sizeof (field)) | |
81 | ||
82 | static bfd_vma (*byte_get) (unsigned char *, int); | |
83 | static void (*byte_put) (unsigned char *, bfd_vma, int); | |
84 | ||
85 | static bfd_vma | |
86 | byte_get_little_endian (unsigned char *field, int size) | |
87 | { | |
88 | switch (size) | |
89 | { | |
90 | case 1: | |
91 | return *field; | |
92 | ||
93 | case 2: | |
94 | return ((unsigned int) (field[0])) | |
95 | | (((unsigned int) (field[1])) << 8); | |
96 | ||
97 | case 4: | |
98 | return ((unsigned long) (field[0])) | |
99 | | (((unsigned long) (field[1])) << 8) | |
100 | | (((unsigned long) (field[2])) << 16) | |
101 | | (((unsigned long) (field[3])) << 24); | |
102 | ||
103 | case 8: | |
104 | if (sizeof (bfd_vma) == 8) | |
105 | return ((bfd_vma) (field[0])) | |
106 | | (((bfd_vma) (field[1])) << 8) | |
107 | | (((bfd_vma) (field[2])) << 16) | |
108 | | (((bfd_vma) (field[3])) << 24) | |
109 | | (((bfd_vma) (field[4])) << 32) | |
110 | | (((bfd_vma) (field[5])) << 40) | |
111 | | (((bfd_vma) (field[6])) << 48) | |
112 | | (((bfd_vma) (field[7])) << 56); | |
113 | else if (sizeof (bfd_vma) == 4) | |
114 | /* We want to extract data from an 8 byte wide field and | |
115 | place it into a 4 byte wide field. Since this is a little | |
116 | endian source we can just use the 4 byte extraction code. */ | |
117 | return ((unsigned long) (field[0])) | |
118 | | (((unsigned long) (field[1])) << 8) | |
119 | | (((unsigned long) (field[2])) << 16) | |
120 | | (((unsigned long) (field[3])) << 24); | |
121 | ||
122 | default: | |
123 | non_fatal (_("Unhandled data length: %d\n"), size); | |
124 | abort (); | |
125 | } | |
126 | } | |
127 | ||
128 | static bfd_vma | |
129 | byte_get_big_endian (unsigned char *field, int size) | |
130 | { | |
131 | switch (size) | |
132 | { | |
133 | case 1: | |
134 | return *field; | |
135 | ||
136 | case 2: | |
137 | return ((unsigned int) (field[1])) | (((int) (field[0])) << 8); | |
138 | ||
139 | case 4: | |
140 | return ((unsigned long) (field[3])) | |
141 | | (((unsigned long) (field[2])) << 8) | |
142 | | (((unsigned long) (field[1])) << 16) | |
143 | | (((unsigned long) (field[0])) << 24); | |
144 | ||
145 | case 8: | |
146 | if (sizeof (bfd_vma) == 8) | |
147 | return ((bfd_vma) (field[7])) | |
148 | | (((bfd_vma) (field[6])) << 8) | |
149 | | (((bfd_vma) (field[5])) << 16) | |
150 | | (((bfd_vma) (field[4])) << 24) | |
151 | | (((bfd_vma) (field[3])) << 32) | |
152 | | (((bfd_vma) (field[2])) << 40) | |
153 | | (((bfd_vma) (field[1])) << 48) | |
154 | | (((bfd_vma) (field[0])) << 56); | |
155 | else if (sizeof (bfd_vma) == 4) | |
156 | { | |
157 | /* Although we are extracing data from an 8 byte wide field, | |
158 | we are returning only 4 bytes of data. */ | |
159 | field += 4; | |
160 | return ((unsigned long) (field[3])) | |
161 | | (((unsigned long) (field[2])) << 8) | |
162 | | (((unsigned long) (field[1])) << 16) | |
163 | | (((unsigned long) (field[0])) << 24); | |
164 | } | |
165 | ||
166 | default: | |
167 | non_fatal (_("Unhandled data length: %d\n"), size); | |
168 | abort (); | |
169 | } | |
170 | } | |
171 | ||
172 | static void | |
173 | byte_put_little_endian (unsigned char * field, bfd_vma value, int size) | |
174 | { | |
175 | switch (size) | |
176 | { | |
177 | case 8: | |
178 | field[7] = (((value >> 24) >> 24) >> 8) & 0xff; | |
179 | field[6] = ((value >> 24) >> 24) & 0xff; | |
180 | field[5] = ((value >> 24) >> 16) & 0xff; | |
181 | field[4] = ((value >> 24) >> 8) & 0xff; | |
182 | /* Fall through. */ | |
183 | case 4: | |
184 | field[3] = (value >> 24) & 0xff; | |
185 | field[2] = (value >> 16) & 0xff; | |
186 | /* Fall through. */ | |
187 | case 2: | |
188 | field[1] = (value >> 8) & 0xff; | |
189 | /* Fall through. */ | |
190 | case 1: | |
191 | field[0] = value & 0xff; | |
192 | break; | |
193 | ||
194 | default: | |
195 | non_fatal (_("Unhandled data length: %d\n"), size); | |
196 | abort (); | |
197 | } | |
198 | } | |
199 | ||
200 | static void | |
201 | byte_put_big_endian (unsigned char * field, bfd_vma value, int size) | |
202 | { | |
203 | switch (size) | |
204 | { | |
205 | case 8: | |
206 | field[7] = value & 0xff; | |
207 | field[6] = (value >> 8) & 0xff; | |
208 | field[5] = (value >> 16) & 0xff; | |
209 | field[4] = (value >> 24) & 0xff; | |
210 | value >>= 16; | |
211 | value >>= 16; | |
212 | /* Fall through. */ | |
213 | case 4: | |
214 | field[3] = value & 0xff; | |
215 | field[2] = (value >> 8) & 0xff; | |
216 | value >>= 16; | |
217 | /* Fall through. */ | |
218 | case 2: | |
219 | field[1] = value & 0xff; | |
220 | value >>= 8; | |
221 | /* Fall through. */ | |
222 | case 1: | |
223 | field[0] = value & 0xff; | |
224 | break; | |
225 | ||
226 | default: | |
227 | non_fatal (_("Unhandled data length: %d\n"), size); | |
228 | abort (); | |
229 | } | |
230 | } | |
231 | ||
232 | static int | |
233 | update_elf_header (const char *file_name, FILE *file) | |
234 | { | |
d0514c49 | 235 | int class, machine, type, status, osabi; |
30fd33bb L |
236 | |
237 | if (elf_header.e_ident[EI_MAG0] != ELFMAG0 | |
238 | || elf_header.e_ident[EI_MAG1] != ELFMAG1 | |
239 | || elf_header.e_ident[EI_MAG2] != ELFMAG2 | |
240 | || elf_header.e_ident[EI_MAG3] != ELFMAG3) | |
241 | { | |
242 | non_fatal | |
243 | (_("%s: Not an ELF file - wrong magic bytes at the start\n"), | |
244 | file_name); | |
245 | return 0; | |
246 | } | |
247 | ||
248 | if (elf_header.e_ident[EI_VERSION] != EV_CURRENT) | |
249 | { | |
250 | non_fatal | |
251 | (_("%s: Unsupported EI_VERSION: %d is not %d\n"), | |
252 | file_name, elf_header.e_ident[EI_VERSION], | |
253 | EV_CURRENT); | |
254 | return 0; | |
255 | } | |
256 | ||
2dc654c3 L |
257 | /* Return if e_machine is the same as output_elf_machine. */ |
258 | if (output_elf_machine == elf_header.e_machine) | |
259 | return 1; | |
260 | ||
261 | class = elf_header.e_ident[EI_CLASS]; | |
262 | ||
30fd33bb | 263 | /* Skip if class doesn't match. */ |
2dc654c3 | 264 | if (input_elf_class != -1 && class != input_elf_class) |
30fd33bb L |
265 | { |
266 | non_fatal | |
267 | (_("%s: Unmatched EI_CLASS: %d is not %d\n"), | |
2dc654c3 | 268 | file_name, class, input_elf_class); |
30fd33bb L |
269 | return 0; |
270 | } | |
271 | ||
2dc654c3 | 272 | machine = elf_header.e_machine; |
30fd33bb L |
273 | |
274 | /* Skip if e_machine doesn't match. */ | |
2dc654c3 | 275 | if (input_elf_machine != -1 && machine != input_elf_machine) |
30fd33bb L |
276 | { |
277 | non_fatal | |
278 | (_("%s: Unmatched e_machine: %d is not %d\n"), | |
2dc654c3 | 279 | file_name, machine, input_elf_machine); |
30fd33bb L |
280 | return 0; |
281 | } | |
282 | ||
dd35de74 L |
283 | type = elf_header.e_type; |
284 | ||
285 | /* Skip if e_type doesn't match. */ | |
286 | if (input_elf_type != -1 && type != input_elf_type) | |
287 | { | |
288 | non_fatal | |
289 | (_("%s: Unmatched e_type: %d is not %d\n"), | |
290 | file_name, type, input_elf_type); | |
291 | return 0; | |
292 | } | |
293 | ||
d0514c49 L |
294 | osabi = elf_header.e_ident[EI_OSABI]; |
295 | ||
296 | /* Skip if OSABI doesn't match. */ | |
297 | if (input_elf_osabi != -1 && osabi != input_elf_osabi) | |
298 | { | |
299 | non_fatal | |
300 | (_("%s: Unmatched EI_OSABI: %d is not %d\n"), | |
301 | file_name, osabi, input_elf_osabi); | |
302 | return 0; | |
303 | } | |
304 | ||
305 | /* Update e_machine, e_type and EI_OSABI. */ | |
2dc654c3 | 306 | switch (class) |
30fd33bb L |
307 | { |
308 | default: | |
309 | /* We should never get here. */ | |
310 | abort (); | |
311 | break; | |
312 | case ELFCLASS32: | |
dd35de74 L |
313 | if (output_elf_machine != -1) |
314 | BYTE_PUT (ehdr32.e_machine, output_elf_machine); | |
315 | if (output_elf_type != -1) | |
316 | BYTE_PUT (ehdr32.e_type, output_elf_type); | |
d0514c49 L |
317 | if (output_elf_osabi != -1) |
318 | ehdr32.e_ident[EI_OSABI] = output_elf_osabi; | |
30fd33bb L |
319 | status = fwrite (&ehdr32, sizeof (ehdr32), 1, file) == 1; |
320 | break; | |
321 | case ELFCLASS64: | |
dd35de74 L |
322 | if (output_elf_machine != -1) |
323 | BYTE_PUT (ehdr64.e_machine, output_elf_machine); | |
324 | if (output_elf_type != -1) | |
325 | BYTE_PUT (ehdr64.e_type, output_elf_type); | |
d0514c49 L |
326 | if (output_elf_osabi != -1) |
327 | ehdr64.e_ident[EI_OSABI] = output_elf_osabi; | |
30fd33bb L |
328 | status = fwrite (&ehdr64, sizeof (ehdr64), 1, file) == 1; |
329 | break; | |
330 | } | |
331 | ||
332 | if (status != 1) | |
333 | non_fatal (_("%s: Failed to update ELF header: %s\n"), | |
334 | file_name, strerror (errno)); | |
335 | ||
336 | return status; | |
337 | } | |
338 | ||
339 | static int | |
340 | get_file_header (FILE * file) | |
341 | { | |
342 | /* Read in the identity array. */ | |
343 | if (fread (elf_header.e_ident, EI_NIDENT, 1, file) != 1) | |
344 | return 0; | |
345 | ||
346 | /* Determine how to read the rest of the header. */ | |
347 | switch (elf_header.e_ident[EI_DATA]) | |
348 | { | |
349 | default: /* fall through */ | |
350 | case ELFDATANONE: /* fall through */ | |
351 | case ELFDATA2LSB: | |
352 | byte_get = byte_get_little_endian; | |
353 | byte_put = byte_put_little_endian; | |
354 | break; | |
355 | case ELFDATA2MSB: | |
356 | byte_get = byte_get_big_endian; | |
357 | byte_put = byte_put_big_endian; | |
358 | break; | |
359 | } | |
360 | ||
361 | /* Read in the rest of the header. For now we only support 32 bit | |
362 | and 64 bit ELF files. */ | |
363 | switch (elf_header.e_ident[EI_CLASS]) | |
364 | { | |
365 | default: | |
366 | non_fatal (_("Unsupported EI_CLASS: %d\n"), | |
367 | elf_header.e_ident[EI_CLASS]); | |
368 | return 0; | |
369 | ||
370 | case ELFCLASS32: | |
371 | if (fread (ehdr32.e_type, sizeof (ehdr32) - EI_NIDENT, | |
372 | 1, file) != 1) | |
373 | return 0; | |
374 | ||
375 | elf_header.e_type = BYTE_GET (ehdr32.e_type); | |
376 | elf_header.e_machine = BYTE_GET (ehdr32.e_machine); | |
377 | elf_header.e_version = BYTE_GET (ehdr32.e_version); | |
378 | elf_header.e_entry = BYTE_GET (ehdr32.e_entry); | |
379 | elf_header.e_phoff = BYTE_GET (ehdr32.e_phoff); | |
380 | elf_header.e_shoff = BYTE_GET (ehdr32.e_shoff); | |
381 | elf_header.e_flags = BYTE_GET (ehdr32.e_flags); | |
382 | elf_header.e_ehsize = BYTE_GET (ehdr32.e_ehsize); | |
383 | elf_header.e_phentsize = BYTE_GET (ehdr32.e_phentsize); | |
384 | elf_header.e_phnum = BYTE_GET (ehdr32.e_phnum); | |
385 | elf_header.e_shentsize = BYTE_GET (ehdr32.e_shentsize); | |
386 | elf_header.e_shnum = BYTE_GET (ehdr32.e_shnum); | |
387 | elf_header.e_shstrndx = BYTE_GET (ehdr32.e_shstrndx); | |
388 | ||
389 | memcpy (&ehdr32, &elf_header, EI_NIDENT); | |
390 | break; | |
391 | ||
392 | case ELFCLASS64: | |
393 | /* If we have been compiled with sizeof (bfd_vma) == 4, then | |
394 | we will not be able to cope with the 64bit data found in | |
395 | 64 ELF files. Detect this now and abort before we start | |
396 | overwriting things. */ | |
397 | if (sizeof (bfd_vma) < 8) | |
398 | { | |
399 | non_fatal (_("This executable has been built without support for a\n\ | |
400 | 64 bit data type and so it cannot process 64 bit ELF files.\n")); | |
401 | return 0; | |
402 | } | |
403 | ||
404 | if (fread (ehdr64.e_type, sizeof (ehdr64) - EI_NIDENT, | |
405 | 1, file) != 1) | |
406 | return 0; | |
407 | ||
408 | elf_header.e_type = BYTE_GET (ehdr64.e_type); | |
409 | elf_header.e_machine = BYTE_GET (ehdr64.e_machine); | |
410 | elf_header.e_version = BYTE_GET (ehdr64.e_version); | |
411 | elf_header.e_entry = BYTE_GET (ehdr64.e_entry); | |
412 | elf_header.e_phoff = BYTE_GET (ehdr64.e_phoff); | |
413 | elf_header.e_shoff = BYTE_GET (ehdr64.e_shoff); | |
414 | elf_header.e_flags = BYTE_GET (ehdr64.e_flags); | |
415 | elf_header.e_ehsize = BYTE_GET (ehdr64.e_ehsize); | |
416 | elf_header.e_phentsize = BYTE_GET (ehdr64.e_phentsize); | |
417 | elf_header.e_phnum = BYTE_GET (ehdr64.e_phnum); | |
418 | elf_header.e_shentsize = BYTE_GET (ehdr64.e_shentsize); | |
419 | elf_header.e_shnum = BYTE_GET (ehdr64.e_shnum); | |
420 | elf_header.e_shstrndx = BYTE_GET (ehdr64.e_shstrndx); | |
421 | ||
422 | memcpy (&ehdr64, &elf_header, EI_NIDENT); | |
423 | break; | |
424 | } | |
425 | return 1; | |
426 | } | |
427 | ||
428 | /* Process one ELF object file according to the command line options. | |
429 | This file may actually be stored in an archive. The file is | |
430 | positioned at the start of the ELF object. */ | |
431 | ||
432 | static int | |
433 | process_object (const char *file_name, FILE *file) | |
434 | { | |
435 | /* Rememeber where we are. */ | |
436 | long offset = ftell (file); | |
437 | ||
438 | if (! get_file_header (file)) | |
439 | { | |
440 | non_fatal (_("%s: Failed to read ELF header\n"), file_name); | |
441 | return 1; | |
442 | } | |
443 | ||
444 | /* Go to the position of the ELF header. */ | |
445 | if (fseek (file, offset, SEEK_SET) != 0) | |
446 | { | |
447 | non_fatal (_("%s: Failed to seek to ELF header\n"), file_name); | |
448 | } | |
449 | ||
450 | if (! update_elf_header (file_name, file)) | |
451 | return 1; | |
452 | ||
453 | return 0; | |
454 | } | |
455 | ||
456 | /* Return the path name for a proxy entry in a thin archive, adjusted relative | |
457 | to the path name of the thin archive itself if necessary. Always returns | |
458 | a pointer to malloc'ed memory. */ | |
459 | ||
460 | static char * | |
461 | adjust_relative_path (const char *file_name, char * name, int name_len) | |
462 | { | |
463 | char * member_file_name; | |
464 | const char * base_name = lbasename (file_name); | |
465 | ||
466 | /* This is a proxy entry for a thin archive member. | |
467 | If the extended name table contains an absolute path | |
468 | name, or if the archive is in the current directory, | |
469 | use the path name as given. Otherwise, we need to | |
470 | find the member relative to the directory where the | |
471 | archive is located. */ | |
472 | if (IS_ABSOLUTE_PATH (name) || base_name == file_name) | |
473 | { | |
474 | member_file_name = malloc (name_len + 1); | |
475 | if (member_file_name == NULL) | |
476 | { | |
477 | non_fatal (_("Out of memory\n")); | |
478 | return NULL; | |
479 | } | |
480 | memcpy (member_file_name, name, name_len); | |
481 | member_file_name[name_len] = '\0'; | |
482 | } | |
483 | else | |
484 | { | |
485 | /* Concatenate the path components of the archive file name | |
486 | to the relative path name from the extended name table. */ | |
487 | size_t prefix_len = base_name - file_name; | |
488 | member_file_name = malloc (prefix_len + name_len + 1); | |
489 | if (member_file_name == NULL) | |
490 | { | |
491 | non_fatal (_("Out of memory\n")); | |
492 | return NULL; | |
493 | } | |
494 | memcpy (member_file_name, file_name, prefix_len); | |
495 | memcpy (member_file_name + prefix_len, name, name_len); | |
496 | member_file_name[prefix_len + name_len] = '\0'; | |
497 | } | |
498 | return member_file_name; | |
499 | } | |
500 | ||
501 | /* Structure to hold information about an archive file. */ | |
502 | ||
503 | struct archive_info | |
504 | { | |
505 | char * file_name; /* Archive file name. */ | |
506 | FILE * file; /* Open file descriptor. */ | |
507 | unsigned long index_num; /* Number of symbols in table. */ | |
508 | unsigned long * index_array; /* The array of member offsets. */ | |
509 | char * sym_table; /* The symbol table. */ | |
510 | unsigned long sym_size; /* Size of the symbol table. */ | |
511 | char * longnames; /* The long file names table. */ | |
512 | unsigned long longnames_size; /* Size of the long file names table. */ | |
513 | unsigned long nested_member_origin; /* Origin in the nested archive of the current member. */ | |
514 | unsigned long next_arhdr_offset; /* Offset of the next archive header. */ | |
515 | bfd_boolean is_thin_archive; /* TRUE if this is a thin archive. */ | |
516 | struct ar_hdr arhdr; /* Current archive header. */ | |
517 | }; | |
518 | ||
519 | /* Read the symbol table and long-name table from an archive. */ | |
520 | ||
521 | static int | |
522 | setup_archive (struct archive_info * arch, const char * file_name, | |
523 | FILE * file, bfd_boolean is_thin_archive) | |
524 | { | |
525 | size_t got; | |
526 | unsigned long size; | |
527 | ||
528 | arch->file_name = strdup (file_name); | |
529 | arch->file = file; | |
530 | arch->index_num = 0; | |
531 | arch->index_array = NULL; | |
532 | arch->sym_table = NULL; | |
533 | arch->sym_size = 0; | |
534 | arch->longnames = NULL; | |
535 | arch->longnames_size = 0; | |
536 | arch->nested_member_origin = 0; | |
537 | arch->is_thin_archive = is_thin_archive; | |
538 | arch->next_arhdr_offset = SARMAG; | |
539 | ||
540 | /* Read the first archive member header. */ | |
541 | if (fseek (file, SARMAG, SEEK_SET) != 0) | |
542 | { | |
543 | non_fatal (_("%s: failed to seek to first archive header\n"), | |
544 | file_name); | |
545 | return 1; | |
546 | } | |
547 | got = fread (&arch->arhdr, 1, sizeof arch->arhdr, file); | |
548 | if (got != sizeof arch->arhdr) | |
549 | { | |
550 | if (got == 0) | |
551 | return 0; | |
552 | ||
553 | non_fatal (_("%s: failed to read archive header\n"), file_name); | |
554 | return 1; | |
555 | } | |
556 | ||
557 | /* See if this is the archive symbol table. */ | |
558 | if (const_strneq (arch->arhdr.ar_name, "/ ") | |
559 | || const_strneq (arch->arhdr.ar_name, "/SYM64/ ")) | |
560 | { | |
561 | size = strtoul (arch->arhdr.ar_size, NULL, 10); | |
562 | size = size + (size & 1); | |
563 | ||
564 | arch->next_arhdr_offset += sizeof arch->arhdr + size; | |
565 | ||
566 | if (fseek (file, size, SEEK_CUR) != 0) | |
567 | { | |
568 | non_fatal (_("%s: failed to skip archive symbol table\n"), | |
569 | file_name); | |
570 | return 1; | |
571 | } | |
572 | ||
573 | /* Read the next archive header. */ | |
574 | got = fread (&arch->arhdr, 1, sizeof arch->arhdr, file); | |
575 | if (got != sizeof arch->arhdr) | |
576 | { | |
577 | if (got == 0) | |
578 | return 0; | |
579 | non_fatal (_("%s: failed to read archive header following archive index\n"), | |
580 | file_name); | |
581 | return 1; | |
582 | } | |
583 | } | |
584 | ||
585 | if (const_strneq (arch->arhdr.ar_name, "// ")) | |
586 | { | |
587 | /* This is the archive string table holding long member names. */ | |
588 | arch->longnames_size = strtoul (arch->arhdr.ar_size, NULL, 10); | |
589 | arch->next_arhdr_offset += sizeof arch->arhdr + arch->longnames_size; | |
590 | ||
591 | arch->longnames = malloc (arch->longnames_size); | |
592 | if (arch->longnames == NULL) | |
593 | { | |
594 | non_fatal (_("Out of memory reading long symbol names in archive\n")); | |
595 | return 1; | |
596 | } | |
597 | ||
598 | if (fread (arch->longnames, arch->longnames_size, 1, file) != 1) | |
599 | { | |
600 | free (arch->longnames); | |
601 | arch->longnames = NULL; | |
602 | non_fatal (_("%s: failed to read long symbol name string table\n") | |
603 | , file_name); | |
604 | return 1; | |
605 | } | |
606 | ||
607 | if ((arch->longnames_size & 1) != 0) | |
608 | getc (file); | |
609 | } | |
610 | ||
611 | return 0; | |
612 | } | |
613 | ||
614 | /* Release the memory used for the archive information. */ | |
615 | ||
616 | static void | |
617 | release_archive (struct archive_info * arch) | |
618 | { | |
619 | if (arch->file_name != NULL) | |
620 | free (arch->file_name); | |
621 | if (arch->index_array != NULL) | |
622 | free (arch->index_array); | |
623 | if (arch->sym_table != NULL) | |
624 | free (arch->sym_table); | |
625 | if (arch->longnames != NULL) | |
626 | free (arch->longnames); | |
627 | } | |
628 | ||
629 | /* Open and setup a nested archive, if not already open. */ | |
630 | ||
631 | static int | |
632 | setup_nested_archive (struct archive_info * nested_arch, char * member_file_name) | |
633 | { | |
634 | FILE * member_file; | |
635 | ||
636 | /* Have we already setup this archive? */ | |
637 | if (nested_arch->file_name != NULL | |
638 | && streq (nested_arch->file_name, member_file_name)) | |
639 | return 0; | |
640 | ||
641 | /* Close previous file and discard cached information. */ | |
642 | if (nested_arch->file != NULL) | |
643 | fclose (nested_arch->file); | |
644 | release_archive (nested_arch); | |
645 | ||
646 | member_file = fopen (member_file_name, "r+b"); | |
647 | if (member_file == NULL) | |
648 | return 1; | |
649 | return setup_archive (nested_arch, member_file_name, member_file, | |
650 | FALSE); | |
651 | } | |
652 | ||
653 | static char * | |
654 | get_archive_member_name_at (struct archive_info * arch, | |
655 | unsigned long offset, | |
656 | struct archive_info * nested_arch); | |
657 | ||
658 | /* Get the name of an archive member from the current archive header. | |
659 | For simple names, this will modify the ar_name field of the current | |
660 | archive header. For long names, it will return a pointer to the | |
661 | longnames table. For nested archives, it will open the nested archive | |
662 | and get the name recursively. NESTED_ARCH is a single-entry cache so | |
663 | we don't keep rereading the same information from a nested archive. */ | |
664 | ||
665 | static char * | |
666 | get_archive_member_name (struct archive_info * arch, | |
667 | struct archive_info * nested_arch) | |
668 | { | |
669 | unsigned long j, k; | |
670 | ||
671 | if (arch->arhdr.ar_name[0] == '/') | |
672 | { | |
673 | /* We have a long name. */ | |
674 | char * endp; | |
675 | char * member_file_name; | |
676 | char * member_name; | |
677 | ||
678 | arch->nested_member_origin = 0; | |
679 | k = j = strtoul (arch->arhdr.ar_name + 1, &endp, 10); | |
680 | if (arch->is_thin_archive && endp != NULL && * endp == ':') | |
681 | arch->nested_member_origin = strtoul (endp + 1, NULL, 10); | |
682 | ||
683 | while ((j < arch->longnames_size) | |
684 | && (arch->longnames[j] != '\n') | |
685 | && (arch->longnames[j] != '\0')) | |
686 | j++; | |
687 | if (arch->longnames[j-1] == '/') | |
688 | j--; | |
689 | arch->longnames[j] = '\0'; | |
690 | ||
691 | if (!arch->is_thin_archive || arch->nested_member_origin == 0) | |
692 | return arch->longnames + k; | |
693 | ||
694 | /* This is a proxy for a member of a nested archive. | |
695 | Find the name of the member in that archive. */ | |
696 | member_file_name = adjust_relative_path (arch->file_name, | |
697 | arch->longnames + k, | |
698 | j - k); | |
699 | if (member_file_name != NULL | |
700 | && setup_nested_archive (nested_arch, member_file_name) == 0 | |
701 | && (member_name = get_archive_member_name_at (nested_arch, | |
702 | arch->nested_member_origin, | |
703 | NULL)) != NULL) | |
704 | { | |
705 | free (member_file_name); | |
706 | return member_name; | |
707 | } | |
708 | free (member_file_name); | |
709 | ||
710 | /* Last resort: just return the name of the nested archive. */ | |
711 | return arch->longnames + k; | |
712 | } | |
713 | ||
714 | /* We have a normal (short) name. */ | |
715 | j = 0; | |
716 | while ((arch->arhdr.ar_name[j] != '/') && (j < 16)) | |
717 | j++; | |
718 | arch->arhdr.ar_name[j] = '\0'; | |
719 | return arch->arhdr.ar_name; | |
720 | } | |
721 | ||
722 | /* Get the name of an archive member at a given OFFSET within an | |
723 | archive ARCH. */ | |
724 | ||
725 | static char * | |
726 | get_archive_member_name_at (struct archive_info * arch, | |
727 | unsigned long offset, | |
728 | struct archive_info * nested_arch) | |
729 | { | |
730 | size_t got; | |
731 | ||
732 | if (fseek (arch->file, offset, SEEK_SET) != 0) | |
733 | { | |
734 | non_fatal (_("%s: failed to seek to next file name\n"), | |
735 | arch->file_name); | |
736 | return NULL; | |
737 | } | |
738 | got = fread (&arch->arhdr, 1, sizeof arch->arhdr, arch->file); | |
739 | if (got != sizeof arch->arhdr) | |
740 | { | |
741 | non_fatal (_("%s: failed to read archive header\n"), | |
742 | arch->file_name); | |
743 | return NULL; | |
744 | } | |
745 | if (memcmp (arch->arhdr.ar_fmag, ARFMAG, 2) != 0) | |
746 | { | |
747 | non_fatal (_("%s: did not find a valid archive header\n"), | |
748 | arch->file_name); | |
749 | return NULL; | |
750 | } | |
751 | ||
752 | return get_archive_member_name (arch, nested_arch); | |
753 | } | |
754 | ||
755 | /* Construct a string showing the name of the archive member, qualified | |
756 | with the name of the containing archive file. For thin archives, we | |
757 | use square brackets to denote the indirection. For nested archives, | |
758 | we show the qualified name of the external member inside the square | |
759 | brackets (e.g., "thin.a[normal.a(foo.o)]"). */ | |
760 | ||
761 | static char * | |
762 | make_qualified_name (struct archive_info * arch, | |
763 | struct archive_info * nested_arch, | |
764 | char * member_name) | |
765 | { | |
766 | size_t len; | |
767 | char * name; | |
768 | ||
769 | len = strlen (arch->file_name) + strlen (member_name) + 3; | |
770 | if (arch->is_thin_archive && arch->nested_member_origin != 0) | |
771 | len += strlen (nested_arch->file_name) + 2; | |
772 | ||
773 | name = malloc (len); | |
774 | if (name == NULL) | |
775 | { | |
776 | non_fatal (_("Out of memory\n")); | |
777 | return NULL; | |
778 | } | |
779 | ||
780 | if (arch->is_thin_archive && arch->nested_member_origin != 0) | |
d0514c49 L |
781 | snprintf (name, len, "%s[%s(%s)]", arch->file_name, |
782 | nested_arch->file_name, member_name); | |
30fd33bb L |
783 | else if (arch->is_thin_archive) |
784 | snprintf (name, len, "%s[%s]", arch->file_name, member_name); | |
785 | else | |
786 | snprintf (name, len, "%s(%s)", arch->file_name, member_name); | |
787 | ||
788 | return name; | |
789 | } | |
790 | ||
791 | /* Process an ELF archive. | |
792 | On entry the file is positioned just after the ARMAG string. */ | |
793 | ||
794 | static int | |
795 | process_archive (const char * file_name, FILE * file, | |
796 | bfd_boolean is_thin_archive) | |
797 | { | |
798 | struct archive_info arch; | |
799 | struct archive_info nested_arch; | |
800 | size_t got; | |
30fd33bb L |
801 | int ret; |
802 | ||
803 | /* The ARCH structure is used to hold information about this archive. */ | |
804 | arch.file_name = NULL; | |
805 | arch.file = NULL; | |
806 | arch.index_array = NULL; | |
807 | arch.sym_table = NULL; | |
808 | arch.longnames = NULL; | |
809 | ||
810 | /* The NESTED_ARCH structure is used as a single-item cache of information | |
811 | about a nested archive (when members of a thin archive reside within | |
812 | another regular archive file). */ | |
813 | nested_arch.file_name = NULL; | |
814 | nested_arch.file = NULL; | |
815 | nested_arch.index_array = NULL; | |
816 | nested_arch.sym_table = NULL; | |
817 | nested_arch.longnames = NULL; | |
818 | ||
819 | if (setup_archive (&arch, file_name, file, is_thin_archive) != 0) | |
820 | { | |
821 | ret = 1; | |
822 | goto out; | |
823 | } | |
824 | ||
30fd33bb L |
825 | ret = 0; |
826 | ||
827 | while (1) | |
828 | { | |
829 | char * name; | |
830 | size_t namelen; | |
831 | char * qualified_name; | |
832 | ||
833 | /* Read the next archive header. */ | |
834 | if (fseek (file, arch.next_arhdr_offset, SEEK_SET) != 0) | |
835 | { | |
836 | non_fatal (_("%s: failed to seek to next archive header\n"), | |
837 | file_name); | |
838 | return 1; | |
839 | } | |
840 | got = fread (&arch.arhdr, 1, sizeof arch.arhdr, file); | |
841 | if (got != sizeof arch.arhdr) | |
842 | { | |
843 | if (got == 0) | |
844 | break; | |
845 | non_fatal (_("%s: failed to read archive header\n"), | |
846 | file_name); | |
847 | ret = 1; | |
848 | break; | |
849 | } | |
850 | if (memcmp (arch.arhdr.ar_fmag, ARFMAG, 2) != 0) | |
851 | { | |
852 | non_fatal (_("%s: did not find a valid archive header\n"), | |
853 | arch.file_name); | |
854 | ret = 1; | |
855 | break; | |
856 | } | |
857 | ||
858 | arch.next_arhdr_offset += sizeof arch.arhdr; | |
859 | ||
860 | archive_file_size = strtoul (arch.arhdr.ar_size, NULL, 10); | |
861 | if (archive_file_size & 01) | |
862 | ++archive_file_size; | |
863 | ||
864 | name = get_archive_member_name (&arch, &nested_arch); | |
865 | if (name == NULL) | |
866 | { | |
867 | non_fatal (_("%s: bad archive file name\n"), file_name); | |
868 | ret = 1; | |
869 | break; | |
870 | } | |
871 | namelen = strlen (name); | |
872 | ||
873 | qualified_name = make_qualified_name (&arch, &nested_arch, name); | |
874 | if (qualified_name == NULL) | |
875 | { | |
876 | non_fatal (_("%s: bad archive file name\n"), file_name); | |
877 | ret = 1; | |
878 | break; | |
879 | } | |
880 | ||
881 | if (is_thin_archive && arch.nested_member_origin == 0) | |
882 | { | |
883 | /* This is a proxy for an external member of a thin archive. */ | |
884 | FILE *member_file; | |
885 | char *member_file_name = adjust_relative_path (file_name, | |
886 | name, namelen); | |
887 | if (member_file_name == NULL) | |
888 | { | |
889 | ret = 1; | |
890 | break; | |
891 | } | |
892 | ||
893 | member_file = fopen (member_file_name, "r+b"); | |
894 | if (member_file == NULL) | |
895 | { | |
896 | non_fatal (_("Input file '%s' is not readable\n"), | |
897 | member_file_name); | |
898 | free (member_file_name); | |
899 | ret = 1; | |
900 | break; | |
901 | } | |
902 | ||
903 | archive_file_offset = arch.nested_member_origin; | |
904 | ||
905 | ret |= process_object (qualified_name, member_file); | |
906 | ||
907 | fclose (member_file); | |
908 | free (member_file_name); | |
909 | } | |
910 | else if (is_thin_archive) | |
911 | { | |
912 | /* This is a proxy for a member of a nested archive. */ | |
913 | archive_file_offset = arch.nested_member_origin + sizeof arch.arhdr; | |
914 | ||
915 | /* The nested archive file will have been opened and setup by | |
916 | get_archive_member_name. */ | |
917 | if (fseek (nested_arch.file, archive_file_offset, | |
918 | SEEK_SET) != 0) | |
919 | { | |
920 | non_fatal (_("%s: failed to seek to archive member\n"), | |
921 | nested_arch.file_name); | |
922 | ret = 1; | |
923 | break; | |
924 | } | |
925 | ||
926 | ret |= process_object (qualified_name, nested_arch.file); | |
927 | } | |
928 | else | |
929 | { | |
930 | archive_file_offset = arch.next_arhdr_offset; | |
931 | arch.next_arhdr_offset += archive_file_size; | |
932 | ||
933 | ret |= process_object (qualified_name, file); | |
934 | } | |
935 | ||
936 | free (qualified_name); | |
937 | } | |
938 | ||
939 | out: | |
940 | if (nested_arch.file != NULL) | |
941 | fclose (nested_arch.file); | |
942 | release_archive (&nested_arch); | |
943 | release_archive (&arch); | |
944 | ||
945 | return ret; | |
946 | } | |
947 | ||
948 | static int | |
949 | check_file (const char *file_name, struct stat *statbuf_p) | |
950 | { | |
951 | struct stat statbuf; | |
952 | ||
953 | if (statbuf_p == NULL) | |
954 | statbuf_p = &statbuf; | |
955 | ||
956 | if (stat (file_name, statbuf_p) < 0) | |
957 | { | |
958 | if (errno == ENOENT) | |
959 | non_fatal (_("'%s': No such file\n"), file_name); | |
960 | else | |
961 | non_fatal (_("Could not locate '%s'. System error message: %s\n"), | |
962 | file_name, strerror (errno)); | |
963 | return 1; | |
964 | } | |
965 | ||
966 | if (! S_ISREG (statbuf_p->st_mode)) | |
967 | { | |
968 | non_fatal (_("'%s' is not an ordinary file\n"), file_name); | |
969 | return 1; | |
970 | } | |
971 | ||
972 | return 0; | |
973 | } | |
974 | ||
975 | static int | |
976 | process_file (const char *file_name) | |
977 | { | |
978 | FILE * file; | |
979 | char armag[SARMAG]; | |
980 | int ret; | |
981 | ||
982 | if (check_file (file_name, NULL)) | |
983 | return 1; | |
984 | ||
985 | file = fopen (file_name, "r+b"); | |
986 | if (file == NULL) | |
987 | { | |
988 | non_fatal (_("Input file '%s' is not readable\n"), file_name); | |
989 | return 1; | |
990 | } | |
991 | ||
992 | if (fread (armag, SARMAG, 1, file) != 1) | |
993 | { | |
994 | non_fatal (_("%s: Failed to read file's magic number\n"), | |
995 | file_name); | |
996 | fclose (file); | |
997 | return 1; | |
998 | } | |
999 | ||
1000 | if (memcmp (armag, ARMAG, SARMAG) == 0) | |
1001 | ret = process_archive (file_name, file, FALSE); | |
1002 | else if (memcmp (armag, ARMAGT, SARMAG) == 0) | |
1003 | ret = process_archive (file_name, file, TRUE); | |
1004 | else | |
1005 | { | |
1006 | rewind (file); | |
1007 | archive_file_size = archive_file_offset = 0; | |
1008 | ret = process_object (file_name, file); | |
1009 | } | |
1010 | ||
1011 | fclose (file); | |
1012 | ||
1013 | return ret; | |
1014 | } | |
1015 | ||
d0514c49 L |
1016 | static const struct |
1017 | { | |
1018 | int osabi; | |
1019 | const char *name; | |
1020 | } | |
1021 | osabis[] = | |
1022 | { | |
1023 | { ELFOSABI_NONE, "none" }, | |
1024 | { ELFOSABI_HPUX, "HPUX" }, | |
1025 | { ELFOSABI_NETBSD, "NetBSD" }, | |
1026 | { ELFOSABI_LINUX, "Linux" }, | |
1027 | { ELFOSABI_HURD, "Hurd" }, | |
1028 | { ELFOSABI_SOLARIS, "Solaris" }, | |
1029 | { ELFOSABI_AIX, "AIX" }, | |
1030 | { ELFOSABI_IRIX, "Irix" }, | |
1031 | { ELFOSABI_FREEBSD, "FreeBSD" }, | |
1032 | { ELFOSABI_TRU64, "TRU64" }, | |
1033 | { ELFOSABI_MODESTO, "Modesto" }, | |
1034 | { ELFOSABI_OPENBSD, "OpenBSD" }, | |
1035 | { ELFOSABI_OPENVMS, "OpenVMS" }, | |
1036 | { ELFOSABI_NSK, "NSK" }, | |
1037 | { ELFOSABI_AROS, "AROS" }, | |
1038 | { ELFOSABI_FENIXOS, "FenixOS" } | |
1039 | }; | |
1040 | ||
1041 | /* Return ELFOSABI_XXX for an OSABI string, OSABI. */ | |
1042 | ||
1043 | static int | |
1044 | elf_osabi (const char *osabi) | |
1045 | { | |
1046 | unsigned int i; | |
1047 | ||
1048 | for (i = 0; i < ARRAY_SIZE (osabis); i++) | |
1049 | if (strcasecmp (osabi, osabis[i].name) == 0) | |
1050 | return osabis[i].osabi; | |
1051 | ||
1052 | non_fatal (_("Unknown OSABI: %s\n"), osabi); | |
1053 | ||
1054 | return -1; | |
1055 | } | |
1056 | ||
30fd33bb L |
1057 | /* Return EM_XXX for a machine string, MACH. */ |
1058 | ||
1059 | static int | |
1060 | elf_machine (const char *mach) | |
1061 | { | |
1062 | if (strcasecmp (mach, "l1om") == 0) | |
1063 | return EM_L1OM; | |
1064 | if (strcasecmp (mach, "x86_64") == 0) | |
1065 | return EM_X86_64; | |
1066 | if (strcasecmp (mach, "x86-64") == 0) | |
1067 | return EM_X86_64; | |
1068 | if (strcasecmp (mach, "none") == 0) | |
1069 | return EM_NONE; | |
1070 | ||
1071 | non_fatal (_("Unknown machine type: %s\n"), mach); | |
1072 | ||
1073 | return -1; | |
1074 | } | |
1075 | ||
1076 | /* Return ELF class for a machine type, MACH. */ | |
1077 | ||
1078 | static int | |
1079 | elf_class (int mach) | |
1080 | { | |
1081 | switch (mach) | |
1082 | { | |
1083 | case EM_L1OM: | |
1084 | case EM_X86_64: | |
1085 | return ELFCLASS64; | |
1086 | case EM_NONE: | |
1087 | return ELFCLASSNONE; | |
1088 | default: | |
1089 | non_fatal (_("Unknown machine type: %d\n"), mach); | |
1090 | return -1; | |
1091 | } | |
1092 | } | |
1093 | ||
dd35de74 L |
1094 | /* Return ET_XXX for a type string, TYPE. */ |
1095 | ||
1096 | static int | |
1097 | elf_type (const char *type) | |
1098 | { | |
1099 | if (strcasecmp (type, "rel") == 0) | |
1100 | return ET_REL; | |
1101 | if (strcasecmp (type, "exec") == 0) | |
1102 | return ET_EXEC; | |
1103 | if (strcasecmp (type, "dyn") == 0) | |
1104 | return ET_DYN; | |
1105 | if (strcasecmp (type, "none") == 0) | |
1106 | return ET_NONE; | |
1107 | ||
1108 | non_fatal (_("Unknown type: %s\n"), type); | |
1109 | ||
1110 | return -1; | |
1111 | } | |
1112 | ||
30fd33bb L |
1113 | enum command_line_switch |
1114 | { | |
1115 | OPTION_INPUT_MACH = 150, | |
dd35de74 L |
1116 | OPTION_OUTPUT_MACH, |
1117 | OPTION_INPUT_TYPE, | |
d0514c49 L |
1118 | OPTION_OUTPUT_TYPE, |
1119 | OPTION_INPUT_OSABI, | |
1120 | OPTION_OUTPUT_OSABI | |
30fd33bb L |
1121 | }; |
1122 | ||
1123 | static struct option options[] = | |
1124 | { | |
1125 | {"input-mach", required_argument, 0, OPTION_INPUT_MACH}, | |
1126 | {"output-mach", required_argument, 0, OPTION_OUTPUT_MACH}, | |
dd35de74 L |
1127 | {"input-type", required_argument, 0, OPTION_INPUT_TYPE}, |
1128 | {"output-type", required_argument, 0, OPTION_OUTPUT_TYPE}, | |
d0514c49 L |
1129 | {"input-osabi", required_argument, 0, OPTION_INPUT_OSABI}, |
1130 | {"output-osabi", required_argument, 0, OPTION_OUTPUT_OSABI}, | |
30fd33bb L |
1131 | {"version", no_argument, 0, 'v'}, |
1132 | {"help", no_argument, 0, 'h'}, | |
1133 | {0, no_argument, 0, 0} | |
1134 | }; | |
1135 | ||
1136 | static void | |
1137 | usage (FILE *stream, int exit_status) | |
1138 | { | |
d0514c49 | 1139 | fprintf (stream, _("Usage: %s <option(s)> elffile(s)\n"), |
30fd33bb L |
1140 | program_name); |
1141 | fprintf (stream, _(" Update the ELF header of ELF files\n")); | |
1142 | fprintf (stream, _(" The options are:\n")); | |
1143 | fprintf (stream, _("\ | |
1144 | --input-mach <machine> Set input machine type to <machine>\n\ | |
1145 | --output-mach <machine> Set output machine type to <machine>\n\ | |
dd35de74 L |
1146 | --input-type <type> Set input file type to <type>\n\ |
1147 | --output-type <type> Set output file type to <type>\n\ | |
d0514c49 L |
1148 | --input-osabi <osabi> Set input OSABI to <osabi>\n\ |
1149 | --output-osabi <osabi> Set output OSABI to <osabi>\n\ | |
30fd33bb L |
1150 | -h --help Display this information\n\ |
1151 | -v --version Display the version number of %s\n\ | |
1152 | "), | |
1153 | program_name); | |
1154 | if (REPORT_BUGS_TO[0] && exit_status == 0) | |
1155 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); | |
1156 | exit (exit_status); | |
1157 | } | |
1158 | ||
1159 | int | |
1160 | main (int argc, char ** argv) | |
1161 | { | |
1162 | int c, status; | |
1163 | ||
1164 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
1165 | setlocale (LC_MESSAGES, ""); | |
1166 | #endif | |
1167 | #if defined (HAVE_SETLOCALE) | |
1168 | setlocale (LC_CTYPE, ""); | |
1169 | #endif | |
1170 | bindtextdomain (PACKAGE, LOCALEDIR); | |
1171 | textdomain (PACKAGE); | |
1172 | ||
1173 | expandargv (&argc, &argv); | |
1174 | ||
1175 | while ((c = getopt_long (argc, argv, "hv", | |
1176 | options, (int *) 0)) != EOF) | |
1177 | { | |
1178 | switch (c) | |
1179 | { | |
1180 | case OPTION_INPUT_MACH: | |
1181 | input_elf_machine = elf_machine (optarg); | |
1182 | if (input_elf_machine < 0) | |
1183 | return 1; | |
1184 | input_elf_class = elf_class (input_elf_machine); | |
1185 | if (input_elf_class < 0) | |
1186 | return 1; | |
1187 | break; | |
1188 | ||
1189 | case OPTION_OUTPUT_MACH: | |
1190 | output_elf_machine = elf_machine (optarg); | |
1191 | if (output_elf_machine < 0) | |
1192 | return 1; | |
1193 | break; | |
1194 | ||
dd35de74 L |
1195 | case OPTION_INPUT_TYPE: |
1196 | input_elf_type = elf_type (optarg); | |
1197 | if (input_elf_type < 0) | |
1198 | return 1; | |
1199 | break; | |
1200 | ||
1201 | case OPTION_OUTPUT_TYPE: | |
1202 | output_elf_type = elf_type (optarg); | |
1203 | if (output_elf_type < 0) | |
1204 | return 1; | |
1205 | break; | |
1206 | ||
d0514c49 L |
1207 | case OPTION_INPUT_OSABI: |
1208 | input_elf_osabi = elf_osabi (optarg); | |
1209 | if (input_elf_osabi < 0) | |
1210 | return 1; | |
1211 | break; | |
1212 | ||
1213 | case OPTION_OUTPUT_OSABI: | |
1214 | output_elf_osabi = elf_osabi (optarg); | |
1215 | if (output_elf_osabi < 0) | |
1216 | return 1; | |
1217 | break; | |
1218 | ||
30fd33bb L |
1219 | case 'h': |
1220 | usage (stdout, 0); | |
1221 | ||
1222 | case 'v': | |
1223 | print_version (program_name); | |
1224 | break; | |
1225 | ||
1226 | default: | |
1227 | usage (stderr, 1); | |
1228 | } | |
1229 | } | |
1230 | ||
dd35de74 L |
1231 | if (optind == argc |
1232 | || (output_elf_machine == -1 | |
d0514c49 L |
1233 | && output_elf_type == -1 |
1234 | && output_elf_osabi == -1)) | |
30fd33bb L |
1235 | usage (stderr, 1); |
1236 | ||
1237 | status = 0; | |
1238 | while (optind < argc) | |
1239 | status |= process_file (argv[optind++]); | |
1240 | ||
1241 | return status; | |
1242 | } |