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9872a49c | 1 | |
4a81b561 DHW |
2 | /*** archive.c -- an attempt at combining the machine-independent parts of |
3 | archives */ | |
4 | ||
5 | /* Copyright (C) 1990, 1991 Free Software Foundation, Inc. | |
6 | ||
7 | This file is part of BFD, the Binary File Diddler. | |
8 | ||
9 | BFD is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 1, or (at your option) | |
12 | any later version. | |
13 | ||
14 | BFD is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with BFD; see the file COPYING. If not, write to | |
21 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
22 | ||
23 | ||
24 | /* Assumes: | |
25 | o - all archive elements start on an even boundary, newline padded; | |
26 | o - all arch headers are char *; | |
27 | o - all arch headers are the same size (across architectures). | |
28 | */ | |
29 | ||
30 | /* $Id$ | |
4a81b561 DHW |
31 | */ |
32 | ||
33 | ||
34 | #include "sysdep.h" | |
35 | #include "bfd.h" | |
36 | #include "libbfd.h" | |
37 | #include "ar.h" | |
38 | #include "ranlib.h" | |
39 | ||
9846338e SC |
40 | #ifdef GNU960 |
41 | #define BFD_GNU960_ARMAG(abfd) (BFD_COFF_FILE_P((abfd)) ? ARMAG : ARMAGB) | |
42 | #endif | |
43 | ||
4a81b561 DHW |
44 | /* We keep a cache of archive filepointers to archive elements to |
45 | speed up searching the archive by filepos. We only add an entry to | |
46 | the cache when we actually read one. We also don't sort the cache; | |
47 | it's short enough to search linearly. | |
48 | Note that the pointers here point to the front of the ar_hdr, not | |
49 | to the front of the contents! | |
50 | */ | |
51 | struct ar_cache { | |
52 | file_ptr ptr; | |
53 | bfd* arelt; | |
54 | struct ar_cache *next; | |
55 | }; | |
56 | ||
57 | #define ar_padchar(abfd) ((abfd)->xvec->ar_pad_char) | |
58 | #define ar_maxnamelen(abfd) ((abfd)->xvec->ar_max_namelen) | |
59 | ||
60 | #define arch_hdr(bfd) ((struct ar_hdr *) \ | |
61 | (((struct areltdata *)((bfd)->arelt_data))->arch_header)) | |
62 | ||
63 | \f | |
64 | ||
65 | boolean | |
66 | _bfd_generic_mkarchive (abfd) | |
67 | bfd *abfd; | |
68 | { | |
a37cc0c0 | 69 | abfd->tdata = bfd_zalloc(abfd, sizeof (struct artdata)); |
4a81b561 DHW |
70 | |
71 | if (abfd->tdata == NULL) { | |
72 | bfd_error = no_memory; | |
73 | return false; | |
74 | } | |
a37cc0c0 | 75 | bfd_ardata(abfd)->cache = 0; |
4a81b561 DHW |
76 | return true; |
77 | } | |
78 | ||
79 | symindex | |
80 | bfd_get_next_mapent (abfd, prev, entry) | |
81 | bfd *abfd; | |
82 | symindex prev; | |
83 | carsym **entry; | |
84 | { | |
85 | if (!bfd_has_map (abfd)) { | |
86 | bfd_error = invalid_operation; | |
87 | return BFD_NO_MORE_SYMBOLS; | |
88 | } | |
89 | ||
90 | if (prev == BFD_NO_MORE_SYMBOLS) prev = 0; | |
91 | else if (++prev >= (symindex)(bfd_ardata (abfd)->symdef_count)) | |
92 | return BFD_NO_MORE_SYMBOLS; | |
93 | ||
94 | *entry = (bfd_ardata (abfd)->symdefs + prev); | |
95 | return prev; | |
96 | } | |
97 | ||
98 | ||
99 | /* To be called by backends only */ | |
100 | bfd * | |
101 | _bfd_create_empty_archive_element_shell (obfd) | |
102 | bfd *obfd; | |
103 | { | |
104 | bfd *nbfd; | |
105 | ||
106 | nbfd = new_bfd_contained_in(obfd); | |
107 | if (nbfd == NULL) { | |
108 | bfd_error = no_memory; | |
109 | return NULL; | |
110 | } | |
111 | return nbfd; | |
112 | } | |
113 | ||
114 | boolean | |
115 | bfd_set_archive_head (output_archive, new_head) | |
116 | bfd *output_archive, *new_head; | |
117 | { | |
118 | ||
119 | output_archive->archive_head = new_head; | |
120 | return true; | |
121 | } | |
122 | ||
123 | bfd * | |
124 | look_for_bfd_in_cache (arch_bfd, filepos) | |
125 | bfd *arch_bfd; | |
126 | file_ptr filepos; | |
127 | { | |
128 | struct ar_cache *current; | |
129 | ||
130 | for (current = bfd_ardata (arch_bfd)->cache; current != NULL; | |
131 | current = current->next) | |
132 | if (current->ptr == filepos) return current->arelt; | |
133 | ||
134 | return NULL; | |
135 | } | |
136 | ||
137 | /* Kind of stupid to call cons for each one, but we don't do too many */ | |
138 | boolean | |
139 | add_bfd_to_cache (arch_bfd, filepos, new_elt) | |
140 | bfd *arch_bfd, *new_elt; | |
141 | file_ptr filepos; | |
142 | { | |
a37cc0c0 | 143 | struct ar_cache *new_cache = ((struct ar_cache *)bfd_zalloc(arch_bfd,sizeof (struct ar_cache))); |
4a81b561 DHW |
144 | |
145 | if (new_cache == NULL) { | |
146 | bfd_error = no_memory; | |
147 | return false; | |
148 | } | |
149 | ||
150 | new_cache->ptr = filepos; | |
151 | new_cache->arelt = new_elt; | |
152 | new_cache->next = (struct ar_cache *)NULL; | |
153 | if (bfd_ardata (arch_bfd)->cache == NULL) | |
154 | bfd_ardata (arch_bfd)->cache = new_cache; | |
155 | else { | |
156 | struct ar_cache *current = bfd_ardata (arch_bfd)->cache; | |
157 | ||
158 | for (; current->next != NULL; current = current->next); | |
159 | current->next = new_cache; | |
160 | } | |
161 | ||
162 | return true; | |
163 | } | |
164 | ||
165 | \f | |
166 | ||
167 | /* The name begins with space. Hence the rest of the name is an index into | |
168 | the string table. */ | |
169 | ||
170 | char * | |
171 | get_extended_arelt_filename (arch, name) | |
172 | bfd *arch; | |
173 | char *name; | |
174 | { | |
175 | extern int errno; | |
176 | unsigned long index = 0; | |
177 | ||
178 | /* Should extract string so that I can guarantee not to overflow into | |
179 | the next region, but I"m too lazy. */ | |
180 | errno = 0; | |
181 | index = strtol (name, NULL, 10); | |
182 | if (errno != 0) { | |
183 | bfd_error = malformed_archive; | |
184 | return NULL; | |
185 | } | |
186 | ||
187 | return bfd_ardata (arch)->extended_names + index; | |
188 | } | |
189 | ||
190 | /* This functions reads an arch header and returns an areltdata pointer, or | |
191 | NULL on error. | |
192 | ||
193 | Presumes the file pointer is already in the right place (ie pointing | |
194 | to the ar_hdr in the file). Moves the file pointer; on success it | |
195 | should be pointing to the front of the file contents; on failure it | |
196 | could have been moved arbitrarily. | |
197 | */ | |
198 | ||
199 | struct areltdata * | |
200 | snarf_ar_hdr (abfd) | |
201 | bfd *abfd; | |
202 | { | |
203 | extern int errno; | |
204 | struct ar_hdr hdr; | |
205 | char *hdrp = (char *) &hdr; | |
206 | unsigned int parsed_size; | |
207 | struct areltdata *ared; | |
208 | char *filename = NULL; | |
209 | unsigned int namelen = 0; | |
210 | unsigned int allocsize = sizeof (struct areltdata) + sizeof (struct ar_hdr); | |
211 | char *allocptr; | |
212 | ||
9846338e | 213 | if (bfd_read ((PTR)hdrp, 1, sizeof (struct ar_hdr), abfd) |
4a81b561 DHW |
214 | != sizeof (struct ar_hdr)) { |
215 | bfd_error = no_more_archived_files; | |
216 | return NULL; | |
217 | } | |
218 | if (strncmp ((hdr.ar_fmag), ARFMAG, 2)) { | |
219 | bfd_error = malformed_archive; | |
220 | return NULL; | |
221 | } | |
222 | ||
223 | errno = 0; | |
224 | parsed_size = strtol (hdr.ar_size, NULL, 10); | |
225 | if (errno != 0) { | |
226 | bfd_error = malformed_archive; | |
227 | return NULL; | |
228 | } | |
229 | ||
230 | /* extract the filename from the archive */ | |
231 | if (hdr.ar_name[0] == ' ' && bfd_ardata (abfd)->extended_names != NULL) { | |
232 | filename = get_extended_arelt_filename (abfd, hdr.ar_name); | |
233 | if (filename == NULL) { | |
234 | bfd_error = malformed_archive; | |
235 | return NULL; | |
236 | } | |
237 | } | |
238 | else | |
239 | { | |
240 | /* We judge the end of the name by looking for a space or a | |
241 | padchar */ | |
242 | ||
243 | namelen = 0; | |
244 | ||
0452b5aa | 245 | while (namelen < (unsigned)ar_maxnamelen(abfd) && |
4a81b561 DHW |
246 | ( hdr.ar_name[namelen] != 0 && |
247 | hdr.ar_name[namelen] != ' ' && | |
248 | hdr.ar_name[namelen] != ar_padchar(abfd))) { | |
249 | namelen++; | |
250 | } | |
251 | ||
252 | allocsize += namelen + 1; | |
253 | } | |
254 | ||
a37cc0c0 | 255 | allocptr = bfd_zalloc(abfd, allocsize); |
4a81b561 DHW |
256 | if (allocptr == NULL) { |
257 | bfd_error = no_memory; | |
258 | return NULL; | |
259 | } | |
260 | ||
261 | ared = (struct areltdata *) allocptr; | |
262 | ||
263 | ared->arch_header = allocptr + sizeof (struct areltdata); | |
264 | memcpy ((char *) ared->arch_header, &hdr, sizeof (struct ar_hdr)); | |
265 | ared->parsed_size = parsed_size; | |
266 | ||
267 | if (filename != NULL) ared->filename = filename; | |
268 | else { | |
269 | ared->filename = allocptr + (sizeof (struct areltdata) + | |
270 | sizeof (struct ar_hdr)); | |
271 | if (namelen) | |
272 | memcpy (ared->filename, hdr.ar_name, namelen); | |
273 | ared->filename[namelen] = '\0'; | |
274 | } | |
275 | ||
276 | return ared; | |
277 | } | |
278 | \f | |
279 | bfd * | |
280 | get_elt_at_filepos (archive, filepos) | |
281 | bfd *archive; | |
282 | file_ptr filepos; | |
283 | { | |
284 | struct areltdata *new_areldata; | |
285 | bfd *n_nfd; | |
286 | ||
287 | n_nfd = look_for_bfd_in_cache (archive, filepos); | |
288 | if (n_nfd) return n_nfd; | |
289 | ||
290 | if (0 > bfd_seek (archive, filepos, SEEK_SET)) { | |
291 | bfd_error = system_call_error; | |
292 | return NULL; | |
293 | } | |
294 | ||
295 | if ((new_areldata = snarf_ar_hdr (archive)) == NULL) return NULL; | |
296 | ||
297 | n_nfd = _bfd_create_empty_archive_element_shell (archive); | |
298 | if (n_nfd == NULL) { | |
4a81b561 DHW |
299 | return NULL; |
300 | } | |
301 | n_nfd->origin = bfd_tell (archive); | |
9846338e | 302 | n_nfd->arelt_data = (PTR) new_areldata; |
4a81b561 DHW |
303 | n_nfd->filename = new_areldata->filename; |
304 | ||
305 | if (add_bfd_to_cache (archive, filepos, n_nfd)) | |
306 | return n_nfd; | |
307 | ||
308 | /* huh? */ | |
4a81b561 DHW |
309 | return NULL; |
310 | } | |
311 | ||
312 | bfd * | |
313 | bfd_get_elt_at_index (abfd, index) | |
314 | bfd *abfd; | |
315 | int index; | |
316 | { | |
317 | bfd *result = | |
318 | get_elt_at_filepos | |
319 | (abfd, (bfd_ardata (abfd)->symdefs + index)->file_offset); | |
320 | return result; | |
321 | } | |
322 | ||
323 | /* If you've got an archive, call this to read each subfile. */ | |
324 | bfd * | |
325 | bfd_openr_next_archived_file (archive, last_file) | |
326 | bfd *archive, *last_file; | |
327 | { | |
328 | ||
329 | if ((bfd_get_format (archive) != bfd_archive) || | |
330 | (archive->direction == write_direction)) { | |
331 | bfd_error = invalid_operation; | |
332 | return NULL; | |
333 | } | |
334 | ||
335 | ||
336 | return BFD_SEND (archive, | |
337 | openr_next_archived_file, | |
338 | (archive, | |
339 | last_file)); | |
340 | ||
341 | } | |
342 | ||
343 | bfd *bfd_generic_openr_next_archived_file(archive, last_file) | |
344 | bfd *archive; | |
345 | bfd *last_file; | |
346 | { | |
347 | file_ptr filestart; | |
348 | ||
349 | if (!last_file) | |
350 | filestart = bfd_ardata (archive)->first_file_filepos; | |
351 | else { | |
352 | unsigned int size = arelt_size(last_file); | |
353 | filestart = last_file->origin +size + size %2; | |
354 | } | |
355 | ||
356 | ||
357 | ||
358 | return get_elt_at_filepos (archive, filestart); | |
359 | } | |
360 | \f | |
361 | ||
362 | bfd_target * | |
363 | bfd_generic_archive_p (abfd) | |
364 | bfd *abfd; | |
365 | { | |
366 | char armag[SARMAG+1]; | |
367 | ||
9846338e | 368 | if (bfd_read ((PTR)armag, 1, SARMAG, abfd) != SARMAG) { |
4a81b561 DHW |
369 | bfd_error = wrong_format; |
370 | return 0; | |
371 | } | |
372 | ||
9846338e SC |
373 | #ifdef GNU960 |
374 | if (strncmp (armag, BFD_GNU960_ARMAG(abfd), SARMAG)) return 0; | |
375 | #else | |
4a81b561 | 376 | if (strncmp (armag, ARMAG, SARMAG)) return 0; |
9846338e | 377 | #endif |
4a81b561 | 378 | |
a37cc0c0 | 379 | bfd_set_ardata(abfd, (struct artdata *) bfd_zalloc(abfd,sizeof (struct artdata))); |
4a81b561 DHW |
380 | |
381 | if (bfd_ardata (abfd) == NULL) { | |
382 | bfd_error = no_memory; | |
383 | return 0; | |
384 | } | |
385 | ||
386 | bfd_ardata (abfd)->first_file_filepos = SARMAG; | |
387 | ||
388 | if (!BFD_SEND (abfd, _bfd_slurp_armap, (abfd))) { | |
a37cc0c0 | 389 | bfd_release(abfd, bfd_ardata (abfd)); |
4a81b561 DHW |
390 | abfd->tdata = NULL; |
391 | return 0; | |
392 | } | |
393 | ||
394 | /* armap could be left ungc'd! FIXME -- potential storage leak */ | |
395 | if (!BFD_SEND (abfd, _bfd_slurp_extended_name_table, (abfd))) { | |
a37cc0c0 | 396 | bfd_release(abfd, bfd_ardata (abfd)); |
4a81b561 DHW |
397 | abfd->tdata = NULL; |
398 | return 0; | |
399 | } | |
400 | ||
401 | return abfd->xvec; | |
402 | } | |
403 | ||
404 | /* Returns false on error, true otherwise */ | |
405 | boolean | |
406 | bfd_slurp_bsd_armap (abfd) | |
407 | bfd *abfd; | |
408 | { | |
409 | struct areltdata *mapdata; | |
410 | char nextname[17]; | |
411 | unsigned int counter = 0; | |
412 | int *raw_armap, *rbase; | |
413 | struct artdata *ardata = bfd_ardata (abfd); | |
414 | char *stringbase; | |
415 | ||
9846338e | 416 | if (bfd_read ((PTR)nextname, 1, 16, abfd) == 16) { |
4a81b561 DHW |
417 | /* The archive has at least 16 bytes in it */ |
418 | bfd_seek (abfd, -16L, SEEK_CUR); | |
419 | ||
420 | if (strncmp (nextname, "__.SYMDEF ", 16)) { | |
421 | bfd_has_map (abfd) = false; | |
422 | return true; | |
423 | } | |
424 | ||
425 | mapdata = snarf_ar_hdr (abfd); | |
426 | if (mapdata == NULL) return false; | |
427 | ||
a37cc0c0 | 428 | raw_armap = (int *) bfd_zalloc(abfd,mapdata->parsed_size); |
4a81b561 DHW |
429 | if (raw_armap == NULL) { |
430 | bfd_error = no_memory; | |
431 | byebye: | |
4a81b561 DHW |
432 | return false; |
433 | } | |
434 | ||
9846338e | 435 | if (bfd_read ((PTR)raw_armap, 1, mapdata->parsed_size, abfd) != |
4a81b561 DHW |
436 | mapdata->parsed_size) { |
437 | bfd_error = malformed_archive; | |
4a81b561 DHW |
438 | goto byebye; |
439 | } | |
440 | ||
441 | ardata->symdef_count = *(raw_armap) / sizeof (struct symdef); | |
442 | ardata->cache = 0; | |
443 | rbase = raw_armap+1; | |
444 | ardata->symdefs = (carsym *) rbase; | |
445 | stringbase = ((char *) (ardata->symdefs + ardata->symdef_count)) + 4; | |
446 | ||
447 | for (;counter < (unsigned)( ardata->symdef_count); counter++) { | |
448 | struct symdef *sym = ((struct symdef *) rbase) + counter; | |
449 | sym->s.name = sym->s.string_offset + stringbase; | |
450 | } | |
451 | ||
452 | ardata->first_file_filepos = bfd_tell (abfd); | |
453 | /* Pad to an even boundary if you have to */ | |
454 | ardata->first_file_filepos += (ardata-> first_file_filepos) %2; | |
4a81b561 DHW |
455 | bfd_has_map (abfd) = true; |
456 | } | |
457 | return true; | |
458 | } | |
459 | ||
460 | /* Returns false on error, true otherwise */ | |
461 | boolean | |
462 | bfd_slurp_coff_armap (abfd) | |
463 | bfd *abfd; | |
464 | { | |
465 | struct areltdata *mapdata; | |
466 | char nextname; | |
467 | int *raw_armap, *rawptr; | |
468 | struct artdata *ardata = bfd_ardata (abfd); | |
469 | char *stringbase; | |
470 | unsigned int stringsize; | |
471 | carsym *carsyms; | |
472 | ||
9846338e | 473 | if (bfd_read ((PTR)&nextname, 1, 1, abfd) != 1) { |
b6fc45ca | 474 | bfd_seek (abfd, -1L, SEEK_CUR); |
4a81b561 DHW |
475 | bfd_has_map(abfd) = false; |
476 | return true; | |
477 | } | |
b6fc45ca | 478 | bfd_seek (abfd, -1L, SEEK_CUR); |
4a81b561 DHW |
479 | |
480 | if (nextname != '/') { | |
481 | /* Actually I think this is an error for a COFF archive */ | |
482 | bfd_has_map (abfd) = false; | |
483 | return true; | |
484 | } | |
485 | ||
4a81b561 DHW |
486 | mapdata = snarf_ar_hdr (abfd); |
487 | if (mapdata == NULL) return false; | |
488 | ||
a37cc0c0 | 489 | raw_armap = (int *) bfd_alloc(abfd,mapdata->parsed_size); |
4a81b561 DHW |
490 | if (raw_armap == NULL) { |
491 | bfd_error = no_memory; | |
492 | byebye: | |
a37cc0c0 | 493 | |
4a81b561 DHW |
494 | return false; |
495 | } | |
496 | ||
9846338e | 497 | if (bfd_read ((PTR)raw_armap, 1, mapdata->parsed_size, abfd) != |
4a81b561 DHW |
498 | mapdata->parsed_size) { |
499 | bfd_error = malformed_archive; | |
500 | oops: | |
a37cc0c0 | 501 | |
4a81b561 DHW |
502 | goto byebye; |
503 | } | |
504 | ||
505 | /* The coff armap must be read sequentially. So we construct a bsd-style | |
506 | one in core all at once, for simplicity. */ | |
507 | ||
508 | stringsize = mapdata->parsed_size - (4 * (*raw_armap)) - 4; | |
509 | ||
510 | { | |
511 | unsigned int nsymz = *raw_armap; | |
512 | unsigned int carsym_size = (nsymz * sizeof (carsym)); | |
513 | unsigned int ptrsize = (4 * nsymz); | |
514 | unsigned int i; | |
a37cc0c0 | 515 | ardata->symdefs = (carsym *) bfd_zalloc(abfd,carsym_size + stringsize + 1); |
4a81b561 DHW |
516 | if (ardata->symdefs == NULL) { |
517 | bfd_error = no_memory; | |
518 | goto oops; | |
519 | } | |
520 | carsyms = ardata->symdefs; | |
521 | ||
522 | stringbase = ((char *) ardata->symdefs) + carsym_size; | |
523 | memcpy (stringbase, (char*)raw_armap + ptrsize + 4, stringsize); | |
524 | ||
525 | ||
526 | /* OK, build the carsyms */ | |
527 | for (i = 0; i < nsymz; i++) | |
528 | { | |
529 | rawptr = raw_armap + i + 1; | |
530 | carsyms->file_offset = *rawptr; | |
531 | carsyms->name = stringbase; | |
532 | for (; *(stringbase++);); | |
533 | carsyms++; | |
534 | } | |
535 | *stringbase = 0; | |
536 | } | |
537 | ardata->symdef_count = *raw_armap; | |
538 | ardata->first_file_filepos = bfd_tell (abfd); | |
539 | /* Pad to an even boundary if you have to */ | |
540 | ardata->first_file_filepos += (ardata->first_file_filepos) %2; | |
a37cc0c0 | 541 | |
4a81b561 DHW |
542 | bfd_has_map (abfd) = true; |
543 | return true; | |
544 | } | |
545 | ||
546 | \f | |
547 | /** Extended name table. | |
548 | ||
549 | Normally archives support only 14-character filenames. Intel has extended | |
550 | the format: longer names are stored in a special element (the first in the | |
551 | archive, or second if there is an armap); the name in the ar_hdr is replaced | |
552 | by <space><index into filename element>. Index is the P.R. of an int (radix: | |
553 | 8). */ | |
554 | ||
555 | /* Returns false on error, true otherwise */ | |
556 | boolean | |
557 | _bfd_slurp_extended_name_table (abfd) | |
558 | bfd *abfd; | |
559 | { | |
560 | char nextname[17]; | |
561 | struct areltdata *namedata; | |
562 | ||
9846338e | 563 | if (bfd_read ((PTR)nextname, 1, 16, abfd) == 16) { |
4a81b561 DHW |
564 | |
565 | bfd_seek (abfd, -16L, SEEK_CUR); | |
566 | ||
567 | if (strncmp (nextname, "ARFILENAMES/ ", 16)) { | |
568 | bfd_ardata (abfd)->extended_names = NULL; | |
569 | return true; | |
570 | } | |
571 | ||
572 | namedata = snarf_ar_hdr (abfd); | |
573 | if (namedata == NULL) return false; | |
574 | ||
575 | ||
a37cc0c0 | 576 | bfd_ardata (abfd)->extended_names = bfd_zalloc(abfd,namedata->parsed_size); |
4a81b561 DHW |
577 | if (bfd_ardata (abfd)->extended_names == NULL) { |
578 | bfd_error = no_memory; | |
579 | byebye: | |
a37cc0c0 | 580 | |
4a81b561 DHW |
581 | return false; |
582 | } | |
583 | ||
9846338e | 584 | if (bfd_read ((PTR)bfd_ardata (abfd)->extended_names, 1, |
4a81b561 DHW |
585 | namedata->parsed_size, abfd) != namedata->parsed_size) { |
586 | bfd_error = malformed_archive; | |
a37cc0c0 | 587 | |
4a81b561 DHW |
588 | bfd_ardata (abfd)->extended_names = NULL; |
589 | goto byebye; | |
590 | } | |
591 | ||
9846338e SC |
592 | /* It appears that the extended names are newline-padded, not null padded. |
593 | */ | |
594 | { | |
595 | char *temp = bfd_ardata (abfd)->extended_names; | |
596 | for (; *temp != '\0'; ++temp) | |
597 | if (*temp == '\n') *temp = '\0'; | |
598 | } | |
599 | ||
4a81b561 DHW |
600 | /* Pad to an even boundary if you have to */ |
601 | bfd_ardata (abfd)->first_file_filepos = bfd_tell (abfd); | |
602 | bfd_ardata (abfd)->first_file_filepos += | |
603 | (bfd_ardata (abfd)->first_file_filepos) %2; | |
604 | ||
a37cc0c0 | 605 | |
4a81b561 DHW |
606 | } |
607 | return true; | |
608 | } | |
609 | ||
610 | static | |
611 | char *normalize(file) | |
612 | char *file; | |
613 | { | |
614 | char * filename = strrchr(file, '/'); | |
615 | if (filename != (char *)NULL) { | |
616 | filename ++; | |
617 | } | |
618 | else { | |
619 | filename = file; | |
620 | } | |
621 | return filename; | |
622 | } | |
623 | ||
624 | /* Follows archive_head and produces an extended name table if necessary. | |
625 | Returns (in tabloc) a pointer to an extended name table, and in tablen | |
626 | the length of the table. If it makes an entry it clobbers the filename | |
627 | so that the element may be written without further massage. | |
628 | Returns true if it ran successfully, false if something went wrong. | |
629 | A successful return may still involve a zero-length tablen! | |
630 | */ | |
631 | boolean | |
632 | bfd_construct_extended_name_table (abfd, tabloc, tablen) | |
633 | bfd *abfd; | |
634 | char **tabloc; | |
635 | unsigned int *tablen; | |
636 | { | |
9846338e SC |
637 | unsigned int maxname = abfd->xvec->ar_max_namelen; |
638 | unsigned int total_namelen = 0; | |
639 | bfd *current; | |
640 | char *strptr; | |
4a81b561 | 641 | |
9846338e | 642 | *tablen = 0; |
4a81b561 | 643 | |
9846338e SC |
644 | /* Figure out how long the table should be */ |
645 | for (current = abfd->archive_head; current != NULL; current = current->next){ | |
646 | unsigned int thislen = strlen (normalize(current->filename)); | |
647 | if (thislen > maxname) total_namelen += thislen + 1; /* leave room for \n */ | |
648 | } | |
4a81b561 | 649 | |
9846338e | 650 | if (total_namelen == 0) return true; |
4a81b561 | 651 | |
a37cc0c0 | 652 | *tabloc = bfd_zalloc (abfd,total_namelen); |
9846338e SC |
653 | if (*tabloc == NULL) { |
654 | bfd_error = no_memory; | |
655 | return false; | |
656 | } | |
4a81b561 | 657 | |
9846338e SC |
658 | *tablen = total_namelen; |
659 | strptr = *tabloc; | |
660 | ||
661 | for (current = abfd->archive_head; current != NULL; current = | |
662 | current->next) { | |
663 | char *normal =normalize( current->filename); | |
664 | unsigned int thislen = strlen (normal); | |
665 | if (thislen > maxname) { | |
666 | /* Works for now; may need to be re-engineered if we encounter an oddball | |
667 | archive format and want to generalise this hack. */ | |
668 | struct ar_hdr *hdr = arch_hdr(current); | |
669 | strcpy (strptr, normal); | |
670 | strptr[thislen] = '\n'; | |
671 | hdr->ar_name[0] = ' '; | |
672 | /* We know there will always be enough room (one of the few cases | |
673 | where you may safely use sprintf). */ | |
674 | sprintf ((hdr->ar_name) + 1, "%-o", (unsigned) (strptr - *tabloc)); | |
675 | /* Kinda Kludgy. We should just use the returned value of sprintf | |
676 | but not all implementations get this right */ | |
677 | { | |
678 | char *temp = hdr->ar_name +2; | |
679 | for (; temp < hdr->ar_name + maxname; temp++) | |
680 | if (*temp == '\0') *temp = ' '; | |
4a81b561 | 681 | } |
9846338e | 682 | strptr += thislen + 1; |
4a81b561 | 683 | } |
9846338e | 684 | } |
4a81b561 | 685 | |
9846338e | 686 | return true; |
4a81b561 DHW |
687 | } |
688 | \f | |
689 | /** A couple of functions for creating ar_hdrs */ | |
690 | ||
691 | /* Takes a filename, returns an arelt_data for it, or NULL if it can't make one. | |
692 | The filename must refer to a filename in the filesystem. | |
693 | The filename field of the ar_hdr will NOT be initialized | |
694 | */ | |
695 | ||
696 | struct areltdata * | |
a37cc0c0 SC |
697 | DEFUN(bfd_ar_hdr_from_filesystem, (abfd,filename), |
698 | bfd* abfd AND | |
699 | CONST char *filename) | |
4a81b561 DHW |
700 | { |
701 | struct stat status; | |
702 | struct areltdata *ared; | |
703 | struct ar_hdr *hdr; | |
704 | char *temp, *temp1; | |
705 | ||
706 | ||
707 | if (stat (filename, &status) != 0) { | |
708 | bfd_error = system_call_error; | |
709 | return NULL; | |
710 | } | |
711 | ||
a37cc0c0 | 712 | ared = (struct areltdata *) bfd_zalloc(abfd, sizeof (struct ar_hdr) + |
4a81b561 DHW |
713 | sizeof (struct areltdata)); |
714 | if (ared == NULL) { | |
715 | bfd_error = no_memory; | |
716 | return NULL; | |
717 | } | |
718 | hdr = (struct ar_hdr *) (((char *) ared) + sizeof (struct areltdata)); | |
719 | ||
720 | /* ar headers are space padded, not null padded! */ | |
721 | temp = (char *) hdr; | |
722 | temp1 = temp + sizeof (struct ar_hdr) - 2; | |
723 | for (; temp < temp1; *(temp++) = ' '); | |
724 | strncpy (hdr->ar_fmag, ARFMAG, 2); | |
725 | ||
726 | /* Goddamned sprintf doesn't permit MAXIMUM field lengths */ | |
727 | sprintf ((hdr->ar_date), "%-12ld", status.st_mtime); | |
728 | sprintf ((hdr->ar_uid), "%d", status.st_uid); | |
729 | sprintf ((hdr->ar_gid), "%d", status.st_gid); | |
730 | sprintf ((hdr->ar_mode), "%-8o", (unsigned) status.st_mode); | |
731 | sprintf ((hdr->ar_size), "%-10ld", status.st_size); | |
732 | /* Correct for a lossage in sprintf whereby it null-terminates. I cannot | |
733 | understand how these C losers could design such a ramshackle bunch of | |
734 | IO operations */ | |
735 | temp = (char *) hdr; | |
736 | temp1 = temp + sizeof (struct ar_hdr) - 2; | |
737 | for (; temp < temp1; temp++) { | |
738 | if (*temp == '\0') *temp = ' '; | |
739 | } | |
740 | strncpy (hdr->ar_fmag, ARFMAG, 2); | |
741 | ared->parsed_size = status.st_size; | |
742 | ared->arch_header = (char *) hdr; | |
743 | ||
744 | return ared; | |
745 | } | |
746 | ||
747 | struct ar_hdr * | |
a37cc0c0 SC |
748 | DEFUN(bfd_special_undocumented_glue, (abfd, filename), |
749 | bfd *abfd AND | |
750 | char *filename) | |
4a81b561 DHW |
751 | { |
752 | ||
a37cc0c0 | 753 | return (struct ar_hdr *) bfd_ar_hdr_from_filesystem (abfd, filename) -> arch_header; |
4a81b561 DHW |
754 | } |
755 | ||
756 | ||
757 | /* Analogous to stat call */ | |
758 | int | |
759 | bfd_generic_stat_arch_elt (abfd, buf) | |
760 | bfd *abfd; | |
761 | struct stat *buf; | |
762 | { | |
763 | struct ar_hdr *hdr; | |
764 | char *aloser; | |
765 | ||
766 | if (abfd->arelt_data == NULL) { | |
767 | bfd_error = invalid_operation; | |
768 | return -1; | |
769 | } | |
770 | ||
771 | hdr = arch_hdr (abfd); | |
772 | ||
773 | #define foo(arelt, stelt, size) \ | |
774 | buf->stelt = strtol (hdr->arelt, &aloser, size); \ | |
775 | if (aloser == hdr->arelt) return -1; | |
776 | ||
777 | foo (ar_date, st_mtime, 10); | |
778 | foo (ar_uid, st_uid, 10); | |
779 | foo (ar_gid, st_gid, 10); | |
780 | foo (ar_mode, st_mode, 8); | |
781 | foo (ar_size, st_size, 10); | |
782 | ||
783 | return 0; | |
784 | } | |
785 | ||
4a81b561 | 786 | void |
9846338e SC |
787 | bfd_dont_truncate_arname (abfd, pathname, arhdr) |
788 | bfd *abfd; | |
789 | char *pathname; | |
790 | char *arhdr; | |
4a81b561 | 791 | { |
9846338e SC |
792 | /* This interacts unpleasantly with ar's quick-append option. |
793 | Fortunately ic960 users will never use that option. Fixing this | |
794 | is very hard; fortunately I know how to do it and will do so once | |
795 | intel's release is out the door. */ | |
796 | ||
797 | struct ar_hdr *hdr = (struct ar_hdr *) arhdr; | |
798 | int length; | |
799 | char *filename = strrchr (pathname, '/'); | |
800 | int maxlen = ar_maxnamelen (abfd); | |
4a81b561 | 801 | |
9846338e SC |
802 | if (filename == NULL) |
803 | filename = pathname; | |
804 | else | |
805 | ++filename; | |
806 | ||
807 | length = strlen (filename); | |
4a81b561 | 808 | |
9846338e SC |
809 | if (length <= maxlen) |
810 | memcpy (hdr->ar_name, filename, length); | |
811 | ||
812 | if (length < maxlen) (hdr->ar_name)[length] = ar_padchar (abfd); | |
4a81b561 | 813 | return; |
9846338e | 814 | |
4a81b561 DHW |
815 | } |
816 | ||
817 | void | |
818 | bfd_bsd_truncate_arname (abfd, pathname, arhdr) | |
819 | bfd *abfd; | |
820 | char *pathname; | |
821 | char *arhdr; | |
822 | { | |
823 | struct ar_hdr *hdr = (struct ar_hdr *) arhdr; | |
824 | int length; | |
825 | char *filename = strrchr (pathname, '/'); | |
826 | int maxlen = ar_maxnamelen (abfd); | |
827 | ||
828 | ||
829 | if (filename == NULL) | |
830 | filename = pathname; | |
831 | else | |
832 | ++filename; | |
833 | ||
834 | length = strlen (filename); | |
835 | ||
836 | if (length <= maxlen) | |
837 | memcpy (hdr->ar_name, filename, length); | |
838 | else { | |
839 | /* pathname: meet procrustes */ | |
840 | memcpy (hdr->ar_name, filename, maxlen); | |
841 | length = maxlen; | |
842 | } | |
843 | ||
9846338e | 844 | if (length < maxlen) (hdr->ar_name)[length] = ar_padchar (abfd); |
4a81b561 DHW |
845 | } |
846 | ||
847 | /* Store name into ar header. Truncates the name to fit. | |
848 | 1> strip pathname to be just the basename. | |
849 | 2> if it's short enuf to fit, stuff it in. | |
850 | 3> If it doesn't end with .o, truncate it to fit | |
851 | 4> truncate it before the .o, append .o, stuff THAT in. | |
852 | */ | |
853 | ||
854 | /* This is what gnu ar does. It's better but incompatible with the bsd ar. */ | |
855 | void | |
856 | bfd_gnu_truncate_arname (abfd, pathname, arhdr) | |
857 | bfd *abfd; | |
858 | char *pathname; | |
859 | char *arhdr; | |
860 | { | |
861 | struct ar_hdr *hdr = (struct ar_hdr *) arhdr; | |
862 | int length; | |
863 | char *filename = strrchr (pathname, '/'); | |
864 | int maxlen = ar_maxnamelen (abfd); | |
865 | ||
866 | if (filename == NULL) | |
867 | filename = pathname; | |
868 | else | |
869 | ++filename; | |
870 | ||
871 | length = strlen (filename); | |
872 | ||
873 | if (length <= maxlen) | |
874 | memcpy (hdr->ar_name, filename, length); | |
875 | else { /* pathname: meet procrustes */ | |
876 | memcpy (hdr->ar_name, filename, maxlen); | |
877 | if ((filename[length - 2] == '.') && (filename[length - 1] == 'o')) { | |
878 | hdr->ar_name[maxlen - 2] = '.'; | |
879 | hdr->ar_name[maxlen - 1] = 'o'; | |
880 | } | |
881 | length = maxlen; | |
882 | } | |
883 | ||
884 | if (length < 16) (hdr->ar_name)[length] = ar_padchar (abfd); | |
885 | } | |
886 | \f | |
887 | ||
888 | PROTO (boolean, compute_and_write_armap, (bfd *arch, unsigned int elength)); | |
889 | ||
890 | /* The bfd is open for write and has its format set to bfd_archive */ | |
891 | boolean | |
892 | _bfd_write_archive_contents (arch) | |
893 | bfd *arch; | |
894 | { | |
895 | bfd *current; | |
896 | char *etable = NULL; | |
897 | unsigned int elength = 0; | |
898 | boolean makemap = bfd_has_map (arch); | |
899 | boolean hasobjects = false; /* if no .o's, don't bother to make a map */ | |
900 | unsigned int i; | |
901 | ||
902 | ||
903 | /* Verify the viability of all entries; if any of them live in the | |
904 | filesystem (as opposed to living in an archive open for input) | |
905 | then construct a fresh ar_hdr for them. | |
906 | */ | |
907 | for (current = arch->archive_head; current; current = current->next) { | |
908 | if (bfd_write_p (current)) { | |
909 | bfd_error = invalid_operation; | |
910 | return false; | |
911 | } | |
912 | if (!current->arelt_data) { | |
913 | current->arelt_data = | |
a37cc0c0 | 914 | (PTR) bfd_ar_hdr_from_filesystem (arch, current->filename); |
4a81b561 DHW |
915 | if (!current->arelt_data) return false; |
916 | ||
917 | /* Put in the file name */ | |
918 | ||
919 | BFD_SEND (arch, _bfd_truncate_arname,(arch, | |
920 | current->filename, | |
0452b5aa | 921 | (char *) arch_hdr(current))); |
4a81b561 DHW |
922 | |
923 | ||
924 | } | |
925 | ||
926 | if (makemap) { /* don't bother if we won't make a map! */ | |
927 | if ((bfd_check_format (current, bfd_object)) | |
928 | #if 0 /* FIXME -- these are not set correctly */ | |
929 | && ((bfd_get_file_flags (current) & HAS_SYMS)) | |
930 | #endif | |
931 | ) | |
932 | hasobjects = true; | |
933 | } | |
934 | } | |
935 | ||
936 | if (!bfd_construct_extended_name_table (arch, &etable, &elength)) | |
937 | return false; | |
938 | ||
939 | bfd_seek (arch, 0, SEEK_SET); | |
9846338e SC |
940 | #ifdef GNU960 |
941 | bfd_write (BFD_GNU960_ARMAG(arch), 1, SARMAG, arch); | |
942 | #else | |
4a81b561 | 943 | bfd_write (ARMAG, 1, SARMAG, arch); |
9846338e | 944 | #endif |
4a81b561 DHW |
945 | |
946 | if (makemap && hasobjects) { | |
947 | ||
948 | if (compute_and_write_armap (arch, elength) != true) { | |
4a81b561 DHW |
949 | return false; |
950 | } | |
951 | } | |
952 | ||
953 | if (elength != 0) { | |
954 | struct ar_hdr hdr; | |
955 | ||
956 | memset ((char *)(&hdr), 0, sizeof (struct ar_hdr)); | |
957 | sprintf (&(hdr.ar_name[0]), "ARFILENAMES/"); | |
958 | sprintf (&(hdr.ar_size[0]), "%-10d", (int) elength); | |
959 | hdr.ar_fmag[0] = '`'; hdr.ar_fmag[1] = '\n'; | |
960 | for (i = 0; i < sizeof (struct ar_hdr); i++) | |
961 | if (((char *)(&hdr))[i] == '\0') (((char *)(&hdr))[i]) = ' '; | |
962 | bfd_write (&hdr, 1, sizeof (struct ar_hdr), arch); | |
963 | bfd_write (etable, 1, elength, arch); | |
964 | if ((elength % 2) == 1) bfd_write ("\n", 1, 1, arch); | |
a37cc0c0 | 965 | |
4a81b561 DHW |
966 | } |
967 | ||
968 | for (current = arch->archive_head; current; current = current->next) { | |
969 | char buffer[DEFAULT_BUFFERSIZE]; | |
970 | unsigned int remaining = arelt_size (current); | |
971 | struct ar_hdr *hdr = arch_hdr(current); | |
972 | /* write ar header */ | |
973 | ||
974 | if (bfd_write (hdr, 1, sizeof(*hdr), arch) != sizeof(*hdr)) { | |
975 | syserr: | |
976 | bfd_error = system_call_error; | |
977 | return false; | |
978 | } | |
979 | if (bfd_seek (current, 0L, SEEK_SET) != 0L) goto syserr; | |
0452b5aa SC |
980 | while (remaining) |
981 | { | |
982 | unsigned int amt = DEFAULT_BUFFERSIZE; | |
983 | if (amt > remaining) { | |
984 | amt = remaining; | |
985 | } | |
986 | if (bfd_read (buffer, amt, 1, current) != amt) goto syserr; | |
987 | if (bfd_write (buffer, amt, 1, arch) != amt) goto syserr; | |
988 | remaining -= amt; | |
989 | } | |
4a81b561 DHW |
990 | if ((arelt_size (current) % 2) == 1) bfd_write ("\n", 1, 1, arch); |
991 | } | |
992 | return true; | |
993 | } | |
994 | \f | |
995 | /* Note that the namidx for the first symbol is 0 */ | |
996 | ||
997 | ||
998 | ||
999 | boolean | |
1000 | compute_and_write_armap (arch, elength) | |
1001 | bfd *arch; | |
1002 | unsigned int elength; | |
1003 | { | |
1004 | bfd *current; | |
1005 | file_ptr elt_no = 0; | |
1006 | struct orl *map; | |
1007 | int orl_max = 15000; /* fine initial default */ | |
1008 | int orl_count = 0; | |
1009 | int stridx = 0; /* string index */ | |
1010 | ||
1011 | /* Dunno if this is the best place for this info... */ | |
1012 | if (elength != 0) elength += sizeof (struct ar_hdr); | |
1013 | elength += elength %2 ; | |
1014 | ||
a37cc0c0 | 1015 | map = (struct orl *) bfd_zalloc (arch,orl_max * sizeof (struct orl)); |
4a81b561 DHW |
1016 | if (map == NULL) { |
1017 | bfd_error = no_memory; | |
1018 | return false; | |
1019 | } | |
1020 | ||
1021 | /* Map over each element */ | |
1022 | for (current = arch->archive_head; | |
1023 | current != (bfd *)NULL; | |
1024 | current = current->next, elt_no++) | |
1025 | { | |
0452b5aa SC |
1026 | if ((bfd_check_format (current, bfd_object) == true) |
1027 | && ((bfd_get_file_flags (current) & HAS_SYMS))) { | |
1028 | asymbol **syms; | |
1029 | unsigned int storage; | |
1030 | unsigned int symcount; | |
1031 | unsigned int src_count; | |
1032 | ||
1033 | storage = get_symtab_upper_bound (current); | |
1034 | if (storage != 0) { | |
1035 | ||
a37cc0c0 | 1036 | syms = (asymbol **) bfd_zalloc (arch,storage); |
0452b5aa SC |
1037 | if (syms == NULL) { |
1038 | bfd_error = no_memory; /* FIXME -- memory leak */ | |
1039 | return false; | |
1040 | } | |
1041 | symcount = bfd_canonicalize_symtab (current, syms); | |
1042 | ||
1043 | ||
1044 | /* Now map over all the symbols, picking out the ones we want */ | |
1045 | for (src_count = 0; src_count <symcount; src_count++) { | |
1046 | flagword flags = (syms[src_count])->flags; | |
1047 | if ((flags & BSF_GLOBAL) || | |
1048 | (flags & BSF_FORT_COMM)) { | |
1049 | ||
1050 | /* This symbol will go into the archive header */ | |
1051 | if (orl_count == orl_max) | |
1052 | { | |
1053 | orl_max *= 2; | |
a37cc0c0 | 1054 | map = (struct orl *) bfd_realloc (arch, (char *) map, |
0452b5aa SC |
1055 | orl_max * sizeof (struct orl)); |
1056 | } | |
1057 | ||
1058 | (map[orl_count]).name = &((syms[src_count])->name); | |
1059 | (map[orl_count]).pos = elt_no; | |
1060 | (map[orl_count]).namidx = stridx; | |
1061 | ||
1062 | stridx += strlen ((syms[src_count])->name) + 1; | |
1063 | ++orl_count; | |
1064 | } | |
1065 | } | |
4a81b561 | 1066 | } |
4a81b561 DHW |
1067 | } |
1068 | } | |
4a81b561 DHW |
1069 | /* OK, now we have collected all the data, let's write them out */ |
1070 | if (!BFD_SEND (arch, write_armap, | |
1071 | (arch, elength, map, orl_count, stridx))) { | |
a37cc0c0 | 1072 | |
4a81b561 DHW |
1073 | return false; |
1074 | } | |
1075 | ||
a37cc0c0 | 1076 | |
4a81b561 DHW |
1077 | return true; |
1078 | } | |
1079 | ||
1080 | \f | |
1081 | /* FIXME -- have to byte-swap this */ | |
1082 | ||
1083 | boolean | |
1084 | bsd_write_armap (arch, elength, map, orl_count, stridx) | |
1085 | bfd *arch; | |
1086 | unsigned int elength; | |
1087 | struct orl *map; | |
1088 | int orl_count; | |
1089 | int stridx; | |
1090 | { | |
1091 | unsigned int ranlibsize = (orl_count * sizeof (struct ranlib)) + 4; | |
1092 | unsigned int stringsize = stridx + 4; | |
1093 | unsigned int mapsize = stringsize + ranlibsize; | |
1094 | file_ptr firstreal; | |
1095 | bfd *current = arch->archive_head; | |
1096 | int last_eltno = 0; /* last element arch seen */ | |
1097 | int temp; | |
1098 | int count; | |
1099 | struct ar_hdr hdr; | |
1100 | struct stat statbuf; | |
1101 | unsigned int i; | |
1102 | int padit = mapsize & 1; | |
1103 | ||
1104 | if (padit) mapsize ++; | |
1105 | ||
1106 | firstreal = mapsize + elength + sizeof (struct ar_hdr) + SARMAG; | |
1107 | ||
2a525d0c | 1108 | stat (arch->filename, &statbuf); |
4a81b561 DHW |
1109 | memset ((char *)(&hdr), 0, sizeof (struct ar_hdr)); |
1110 | sprintf (hdr.ar_name, "__.SYMDEF"); | |
1111 | sprintf (hdr.ar_size, "%-10d", (int) mapsize); | |
1112 | sprintf (hdr.ar_date, "%ld", statbuf.st_mtime); | |
1113 | hdr.ar_fmag[0] = '`'; hdr.ar_fmag[1] = '\n'; | |
1114 | for (i = 0; i < sizeof (struct ar_hdr); i++) | |
1115 | if (((char *)(&hdr))[i] == '\0') (((char *)(&hdr))[i]) = ' '; | |
1116 | bfd_write (&hdr, 1, sizeof (struct ar_hdr), arch); | |
1117 | ||
1118 | temp = orl_count /* + 4 */; | |
1119 | bfd_write (&temp, 1, sizeof (temp), arch); | |
1120 | ||
1121 | for (count = 0; count < orl_count; count++) { | |
1122 | struct symdef outs; | |
1123 | struct symdef *outp = &outs; | |
1124 | ||
1125 | if ((map[count]).pos != last_eltno) { | |
1126 | firstreal += arelt_size (current) + sizeof (struct ar_hdr); | |
1127 | firstreal += firstreal % 2; | |
1128 | last_eltno = (map[count]).pos; | |
1129 | current = current->next; | |
1130 | } | |
1131 | ||
1132 | outs.s.string_offset = ((map[count]).namidx) +4; | |
1133 | outs.file_offset = firstreal; | |
1134 | bfd_write ((char *)outp, 1, sizeof (outs), arch); | |
1135 | } | |
1136 | ||
1137 | /* now write the strings themselves */ | |
1138 | temp = stridx + 4; | |
1139 | bfd_write (&temp, 1, sizeof (temp), arch); | |
1140 | for (count = 0; count < orl_count; count++) | |
1141 | bfd_write (*((map[count]).name), 1, strlen (*((map[count]).name))+1, arch); | |
1142 | ||
1143 | /* The spec sez this should be a newline. But in order to be | |
1144 | bug-compatible for sun's ar we use a null. */ | |
1145 | if (padit) | |
1146 | bfd_write("\0",1,1,arch); | |
1147 | ||
1148 | return true; | |
1149 | } | |
1150 | \f | |
1151 | ||
1152 | /* A coff armap looks like : | |
1153 | ARMAG | |
1154 | struct ar_hdr with name = '/' | |
1155 | number of symbols | |
1156 | offset of file for symbol 0 | |
1157 | offset of file for symbol 1 | |
1158 | .. | |
1159 | offset of file for symbol n-1 | |
1160 | symbol name 0 | |
1161 | symbol name 1 | |
1162 | .. | |
1163 | symbol name n-1 | |
1164 | ||
1165 | */ | |
1166 | ||
1167 | boolean | |
1168 | coff_write_armap (arch, elength, map, orl_count, stridx) | |
1169 | bfd *arch; | |
1170 | unsigned int elength; | |
1171 | struct orl *map; | |
1172 | int orl_count; | |
1173 | int stridx; | |
1174 | { | |
1175 | unsigned int ranlibsize = (orl_count * 4) + 4; | |
1176 | unsigned int stringsize = stridx; | |
1177 | unsigned int mapsize = stringsize + ranlibsize; | |
1178 | file_ptr archive_member_file_ptr; | |
1179 | bfd *current = arch->archive_head; | |
1180 | int last_eltno = 0; /* last element arch seen */ | |
1181 | int count; | |
1182 | struct ar_hdr hdr; | |
4a81b561 DHW |
1183 | unsigned int i; |
1184 | int padit = mapsize & 1; | |
1185 | ||
1186 | if (padit) mapsize ++; | |
1187 | ||
1188 | archive_member_file_ptr = | |
1189 | mapsize + elength + sizeof (struct ar_hdr) + SARMAG; | |
1190 | ||
4a81b561 DHW |
1191 | memset ((char *)(&hdr), 0, sizeof (struct ar_hdr)); |
1192 | hdr.ar_name[0] = '/'; | |
1193 | sprintf (hdr.ar_size, "%-10d", (int) mapsize); | |
9846338e | 1194 | sprintf (hdr.ar_date, "%ld", (long)time (NULL)); |
37a1fd96 DHW |
1195 | /* This, at least, is what Intel coff sets the values to.: */ |
1196 | sprintf ((hdr.ar_uid), "%d", 0); | |
1197 | sprintf ((hdr.ar_gid), "%d", 0); | |
9846338e | 1198 | sprintf ((hdr.ar_mode), "%-7o",(unsigned ) 0); |
4a81b561 DHW |
1199 | hdr.ar_fmag[0] = '`'; hdr.ar_fmag[1] = '\n'; |
1200 | ||
1201 | for (i = 0; i < sizeof (struct ar_hdr); i++) | |
1202 | if (((char *)(&hdr))[i] == '\0') (((char *)(&hdr))[i]) = ' '; | |
1203 | ||
1204 | /* Write the ar header for this item and the number of symbols */ | |
1205 | ||
1206 | bfd_write (&hdr, 1, sizeof (struct ar_hdr), arch); | |
1207 | bfd_write (&orl_count, 1, sizeof (orl_count), arch); | |
1208 | ||
1209 | /* Two passes, first write the file offsets for each symbol - | |
1210 | remembering that each offset is on a two byte boundary | |
1211 | */ | |
1212 | ||
1213 | for (count = 0; count < orl_count; count++) { | |
1214 | while ((map[count]).pos != last_eltno) { | |
1215 | /* If this is the first time we've seen a ref to this archive | |
1216 | then remember it's size */ | |
1217 | archive_member_file_ptr += | |
1218 | arelt_size (current) + sizeof (struct ar_hdr); | |
1219 | archive_member_file_ptr += archive_member_file_ptr % 2; | |
1220 | current = current->next; | |
1221 | last_eltno++; | |
1222 | } | |
1223 | bfd_write (&archive_member_file_ptr, | |
1224 | 1, | |
1225 | sizeof (archive_member_file_ptr), | |
1226 | arch); | |
1227 | } | |
1228 | ||
1229 | /* now write the strings themselves */ | |
1230 | for (count = 0; count < orl_count; count++) { | |
1231 | bfd_write (*((map[count]).name), | |
1232 | 1, | |
1233 | strlen (*((map[count]).name))+1, arch); | |
1234 | ||
1235 | } | |
1236 | /* The spec sez this should be a newline. But in order to be | |
1237 | bug-compatible for arc960 we use a null. */ | |
1238 | if (padit) | |
1239 | bfd_write("\0",1,1,arch); | |
1240 | ||
1241 | return true; | |
1242 | } |