Commit | Line | Data |
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252b5132 | 1 | /* BFD back-end for archive files (libraries). |
7898deda | 2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
1b09e940 | 3 | 2000, 2001, 2002, 2003, 2004 |
252b5132 RH |
4 | Free Software Foundation, Inc. |
5 | Written by Cygnus Support. Mostly Gumby Henkel-Wallace's fault. | |
6 | ||
1b09e940 | 7 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 8 | |
1b09e940 NC |
9 | This program 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 2 of the License, or | |
12 | (at your option) any later version. | |
252b5132 | 13 | |
1b09e940 NC |
14 | This program 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. | |
252b5132 | 18 | |
1b09e940 NC |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
252b5132 RH |
22 | |
23 | /* | |
24 | @setfilename archive-info | |
25 | SECTION | |
26 | Archives | |
27 | ||
28 | DESCRIPTION | |
29 | An archive (or library) is just another BFD. It has a symbol | |
30 | table, although there's not much a user program will do with it. | |
31 | ||
32 | The big difference between an archive BFD and an ordinary BFD | |
33 | is that the archive doesn't have sections. Instead it has a | |
34 | chain of BFDs that are considered its contents. These BFDs can | |
35 | be manipulated like any other. The BFDs contained in an | |
36 | archive opened for reading will all be opened for reading. You | |
37 | may put either input or output BFDs into an archive opened for | |
38 | output; they will be handled correctly when the archive is closed. | |
39 | ||
40 | Use <<bfd_openr_next_archived_file>> to step through | |
41 | the contents of an archive opened for input. You don't | |
42 | have to read the entire archive if you don't want | |
43 | to! Read it until you find what you want. | |
44 | ||
45 | Archive contents of output BFDs are chained through the | |
46 | <<next>> pointer in a BFD. The first one is findable through | |
47 | the <<archive_head>> slot of the archive. Set it with | |
48 | <<bfd_set_archive_head>> (q.v.). A given BFD may be in only one | |
49 | open output archive at a time. | |
50 | ||
51 | As expected, the BFD archive code is more general than the | |
52 | archive code of any given environment. BFD archives may | |
53 | contain files of different formats (e.g., a.out and coff) and | |
54 | even different architectures. You may even place archives | |
55 | recursively into archives! | |
56 | ||
57 | This can cause unexpected confusion, since some archive | |
58 | formats are more expressive than others. For instance, Intel | |
59 | COFF archives can preserve long filenames; SunOS a.out archives | |
60 | cannot. If you move a file from the first to the second | |
61 | format and back again, the filename may be truncated. | |
62 | Likewise, different a.out environments have different | |
63 | conventions as to how they truncate filenames, whether they | |
64 | preserve directory names in filenames, etc. When | |
65 | interoperating with native tools, be sure your files are | |
66 | homogeneous. | |
67 | ||
68 | Beware: most of these formats do not react well to the | |
69 | presence of spaces in filenames. We do the best we can, but | |
70 | can't always handle this case due to restrictions in the format of | |
71 | archives. Many Unix utilities are braindead in regards to | |
72 | spaces and such in filenames anyway, so this shouldn't be much | |
73 | of a restriction. | |
74 | ||
75 | Archives are supported in BFD in <<archive.c>>. | |
76 | ||
77 | */ | |
78 | ||
79 | /* Assumes: | |
80 | o - all archive elements start on an even boundary, newline padded; | |
81 | o - all arch headers are char *; | |
82 | o - all arch headers are the same size (across architectures). | |
83 | */ | |
84 | ||
85 | /* Some formats provide a way to cram a long filename into the short | |
86 | (16 chars) space provided by a BSD archive. The trick is: make a | |
87 | special "file" in the front of the archive, sort of like the SYMDEF | |
88 | entry. If the filename is too long to fit, put it in the extended | |
89 | name table, and use its index as the filename. To prevent | |
90 | confusion prepend the index with a space. This means you can't | |
91 | have filenames that start with a space, but then again, many Unix | |
92 | utilities can't handle that anyway. | |
93 | ||
94 | This scheme unfortunately requires that you stand on your head in | |
95 | order to write an archive since you need to put a magic file at the | |
96 | front, and need to touch every entry to do so. C'est la vie. | |
97 | ||
98 | We support two variants of this idea: | |
99 | The SVR4 format (extended name table is named "//"), | |
100 | and an extended pseudo-BSD variant (extended name table is named | |
101 | "ARFILENAMES/"). The origin of the latter format is uncertain. | |
102 | ||
103 | BSD 4.4 uses a third scheme: It writes a long filename | |
104 | directly after the header. This allows 'ar q' to work. | |
105 | We currently can read BSD 4.4 archives, but not write them. | |
106 | */ | |
107 | ||
108 | /* Summary of archive member names: | |
109 | ||
110 | Symbol table (must be first): | |
111 | "__.SYMDEF " - Symbol table, Berkeley style, produced by ranlib. | |
112 | "/ " - Symbol table, system 5 style. | |
113 | ||
114 | Long name table (must be before regular file members): | |
115 | "// " - Long name table, System 5 R4 style. | |
116 | "ARFILENAMES/ " - Long name table, non-standard extended BSD (not BSD 4.4). | |
117 | ||
118 | Regular file members with short names: | |
119 | "filename.o/ " - Regular file, System 5 style (embedded spaces ok). | |
120 | "filename.o " - Regular file, Berkeley style (no embedded spaces). | |
121 | ||
122 | Regular files with long names (or embedded spaces, for BSD variants): | |
123 | "/18 " - SVR4 style, name at offset 18 in name table. | |
124 | "#1/23 " - Long name (or embedded paces) 23 characters long, | |
125 | BSD 4.4 style, full name follows header. | |
126 | Implemented for reading, not writing. | |
127 | " 18 " - Long name 18 characters long, extended pseudo-BSD. | |
128 | */ | |
129 | ||
130 | #include "bfd.h" | |
131 | #include "sysdep.h" | |
132 | #include "libbfd.h" | |
133 | #include "aout/ar.h" | |
134 | #include "aout/ranlib.h" | |
3882b010 | 135 | #include "safe-ctype.h" |
252b5132 RH |
136 | |
137 | #ifndef errno | |
138 | extern int errno; | |
139 | #endif | |
140 | ||
252b5132 RH |
141 | /* We keep a cache of archive filepointers to archive elements to |
142 | speed up searching the archive by filepos. We only add an entry to | |
143 | the cache when we actually read one. We also don't sort the cache; | |
144 | it's generally short enough to search linearly. | |
145 | Note that the pointers here point to the front of the ar_hdr, not | |
047066e1 KH |
146 | to the front of the contents! */ |
147 | struct ar_cache { | |
252b5132 RH |
148 | file_ptr ptr; |
149 | bfd *arelt; | |
150 | struct ar_cache *next; | |
151 | }; | |
152 | ||
153 | #define ar_padchar(abfd) ((abfd)->xvec->ar_pad_char) | |
154 | #define ar_maxnamelen(abfd) ((abfd)->xvec->ar_max_namelen) | |
155 | ||
beb0d161 | 156 | #define arch_eltdata(bfd) ((struct areltdata *) ((bfd)->arelt_data)) |
c58b9523 AM |
157 | #define arch_hdr(bfd) ((struct ar_hdr *) arch_eltdata(bfd)->arch_header) |
158 | ||
252b5132 | 159 | \f |
b34976b6 | 160 | bfd_boolean |
c58b9523 | 161 | _bfd_generic_mkarchive (bfd *abfd) |
252b5132 | 162 | { |
dc810e39 | 163 | bfd_size_type amt = sizeof (struct artdata); |
252b5132 | 164 | |
c58b9523 | 165 | abfd->tdata.aout_ar_data = bfd_zalloc (abfd, amt); |
252b5132 | 166 | if (bfd_ardata (abfd) == NULL) |
b34976b6 | 167 | return FALSE; |
252b5132 RH |
168 | |
169 | bfd_ardata (abfd)->cache = NULL; | |
170 | bfd_ardata (abfd)->archive_head = NULL; | |
171 | bfd_ardata (abfd)->symdefs = NULL; | |
172 | bfd_ardata (abfd)->extended_names = NULL; | |
173 | bfd_ardata (abfd)->tdata = NULL; | |
174 | ||
b34976b6 | 175 | return TRUE; |
252b5132 RH |
176 | } |
177 | ||
178 | /* | |
179 | FUNCTION | |
180 | bfd_get_next_mapent | |
181 | ||
182 | SYNOPSIS | |
c58b9523 AM |
183 | symindex bfd_get_next_mapent |
184 | (bfd *abfd, symindex previous, carsym **sym); | |
252b5132 RH |
185 | |
186 | DESCRIPTION | |
187 | Step through archive @var{abfd}'s symbol table (if it | |
188 | has one). Successively update @var{sym} with the next symbol's | |
189 | information, returning that symbol's (internal) index into the | |
190 | symbol table. | |
191 | ||
192 | Supply <<BFD_NO_MORE_SYMBOLS>> as the @var{previous} entry to get | |
193 | the first one; returns <<BFD_NO_MORE_SYMBOLS>> when you've already | |
194 | got the last one. | |
195 | ||
196 | A <<carsym>> is a canonical archive symbol. The only | |
197 | user-visible element is its name, a null-terminated string. | |
198 | */ | |
199 | ||
200 | symindex | |
c58b9523 | 201 | bfd_get_next_mapent (bfd *abfd, symindex prev, carsym **entry) |
252b5132 RH |
202 | { |
203 | if (!bfd_has_map (abfd)) | |
204 | { | |
205 | bfd_set_error (bfd_error_invalid_operation); | |
206 | return BFD_NO_MORE_SYMBOLS; | |
207 | } | |
208 | ||
209 | if (prev == BFD_NO_MORE_SYMBOLS) | |
210 | prev = 0; | |
211 | else | |
212 | ++prev; | |
213 | if (prev >= bfd_ardata (abfd)->symdef_count) | |
214 | return BFD_NO_MORE_SYMBOLS; | |
215 | ||
216 | *entry = (bfd_ardata (abfd)->symdefs + prev); | |
217 | return prev; | |
218 | } | |
219 | ||
06fc8a8c | 220 | /* To be called by backends only. */ |
252b5132 RH |
221 | |
222 | bfd * | |
c58b9523 | 223 | _bfd_create_empty_archive_element_shell (bfd *obfd) |
252b5132 RH |
224 | { |
225 | return _bfd_new_bfd_contained_in (obfd); | |
226 | } | |
227 | ||
228 | /* | |
229 | FUNCTION | |
230 | bfd_set_archive_head | |
231 | ||
232 | SYNOPSIS | |
c58b9523 | 233 | bfd_boolean bfd_set_archive_head (bfd *output, bfd *new_head); |
252b5132 RH |
234 | |
235 | DESCRIPTION | |
236 | Set the head of the chain of | |
237 | BFDs contained in the archive @var{output} to @var{new_head}. | |
238 | */ | |
239 | ||
b34976b6 | 240 | bfd_boolean |
c58b9523 | 241 | bfd_set_archive_head (bfd *output_archive, bfd *new_head) |
252b5132 | 242 | { |
252b5132 | 243 | output_archive->archive_head = new_head; |
b34976b6 | 244 | return TRUE; |
252b5132 RH |
245 | } |
246 | ||
247 | bfd * | |
c58b9523 | 248 | _bfd_look_for_bfd_in_cache (bfd *arch_bfd, file_ptr filepos) |
252b5132 RH |
249 | { |
250 | struct ar_cache *current; | |
251 | ||
252 | for (current = bfd_ardata (arch_bfd)->cache; current != NULL; | |
253 | current = current->next) | |
254 | if (current->ptr == filepos) | |
255 | return current->arelt; | |
256 | ||
257 | return NULL; | |
258 | } | |
259 | ||
06fc8a8c NC |
260 | /* Kind of stupid to call cons for each one, but we don't do too many. */ |
261 | ||
b34976b6 | 262 | bfd_boolean |
c58b9523 | 263 | _bfd_add_bfd_to_archive_cache (bfd *arch_bfd, file_ptr filepos, bfd *new_elt) |
252b5132 | 264 | { |
dc810e39 | 265 | bfd_size_type amt = sizeof (struct ar_cache); |
252b5132 | 266 | |
c58b9523 | 267 | struct ar_cache *new_cache = bfd_zalloc (arch_bfd, amt); |
252b5132 | 268 | if (new_cache == NULL) |
b34976b6 | 269 | return FALSE; |
252b5132 RH |
270 | |
271 | new_cache->ptr = filepos; | |
272 | new_cache->arelt = new_elt; | |
c58b9523 | 273 | new_cache->next = NULL; |
252b5132 RH |
274 | if (bfd_ardata (arch_bfd)->cache == NULL) |
275 | bfd_ardata (arch_bfd)->cache = new_cache; | |
276 | else | |
277 | { | |
278 | struct ar_cache *current = bfd_ardata (arch_bfd)->cache; | |
279 | ||
280 | while (current->next != NULL) | |
281 | current = current->next; | |
282 | current->next = new_cache; | |
283 | } | |
284 | ||
b34976b6 | 285 | return TRUE; |
252b5132 RH |
286 | } |
287 | \f | |
288 | /* The name begins with space. Hence the rest of the name is an index into | |
d70910e8 | 289 | the string table. */ |
252b5132 RH |
290 | |
291 | static char * | |
c58b9523 | 292 | get_extended_arelt_filename (bfd *arch, const char *name) |
252b5132 RH |
293 | { |
294 | unsigned long index = 0; | |
295 | ||
296 | /* Should extract string so that I can guarantee not to overflow into | |
d70910e8 | 297 | the next region, but I'm too lazy. */ |
252b5132 | 298 | errno = 0; |
d70910e8 | 299 | /* Skip first char, which is '/' in SVR4 or ' ' in some other variants. */ |
252b5132 RH |
300 | index = strtol (name + 1, NULL, 10); |
301 | if (errno != 0) | |
302 | { | |
303 | bfd_set_error (bfd_error_malformed_archive); | |
304 | return NULL; | |
305 | } | |
306 | ||
307 | return bfd_ardata (arch)->extended_names + index; | |
308 | } | |
309 | ||
310 | /* This functions reads an arch header and returns an areltdata pointer, or | |
311 | NULL on error. | |
312 | ||
313 | Presumes the file pointer is already in the right place (ie pointing | |
314 | to the ar_hdr in the file). Moves the file pointer; on success it | |
315 | should be pointing to the front of the file contents; on failure it | |
06fc8a8c | 316 | could have been moved arbitrarily. */ |
252b5132 | 317 | |
c58b9523 AM |
318 | void * |
319 | _bfd_generic_read_ar_hdr (bfd *abfd) | |
252b5132 | 320 | { |
c58b9523 | 321 | return _bfd_generic_read_ar_hdr_mag (abfd, NULL); |
252b5132 RH |
322 | } |
323 | ||
324 | /* Alpha ECOFF uses an optional different ARFMAG value, so we have a | |
325 | variant of _bfd_generic_read_ar_hdr which accepts a magic string. */ | |
326 | ||
c58b9523 AM |
327 | void * |
328 | _bfd_generic_read_ar_hdr_mag (bfd *abfd, const char *mag) | |
252b5132 RH |
329 | { |
330 | struct ar_hdr hdr; | |
331 | char *hdrp = (char *) &hdr; | |
dc810e39 | 332 | size_t parsed_size; |
252b5132 RH |
333 | struct areltdata *ared; |
334 | char *filename = NULL; | |
dc810e39 AM |
335 | bfd_size_type namelen = 0; |
336 | bfd_size_type allocsize = sizeof (struct areltdata) + sizeof (struct ar_hdr); | |
252b5132 RH |
337 | char *allocptr = 0; |
338 | ||
c58b9523 | 339 | if (bfd_bread (hdrp, sizeof (struct ar_hdr), abfd) != sizeof (struct ar_hdr)) |
252b5132 RH |
340 | { |
341 | if (bfd_get_error () != bfd_error_system_call) | |
342 | bfd_set_error (bfd_error_no_more_archived_files); | |
343 | return NULL; | |
344 | } | |
345 | if (strncmp (hdr.ar_fmag, ARFMAG, 2) != 0 | |
346 | && (mag == NULL | |
347 | || strncmp (hdr.ar_fmag, mag, 2) != 0)) | |
348 | { | |
349 | bfd_set_error (bfd_error_malformed_archive); | |
350 | return NULL; | |
351 | } | |
352 | ||
353 | errno = 0; | |
354 | parsed_size = strtol (hdr.ar_size, NULL, 10); | |
355 | if (errno != 0) | |
356 | { | |
357 | bfd_set_error (bfd_error_malformed_archive); | |
358 | return NULL; | |
359 | } | |
360 | ||
361 | /* Extract the filename from the archive - there are two ways to | |
362 | specify an extended name table, either the first char of the | |
363 | name is a space, or it's a slash. */ | |
364 | if ((hdr.ar_name[0] == '/' | |
365 | || (hdr.ar_name[0] == ' ' | |
366 | && memchr (hdr.ar_name, '/', ar_maxnamelen (abfd)) == NULL)) | |
367 | && bfd_ardata (abfd)->extended_names != NULL) | |
368 | { | |
369 | filename = get_extended_arelt_filename (abfd, hdr.ar_name); | |
370 | if (filename == NULL) | |
371 | { | |
372 | bfd_set_error (bfd_error_malformed_archive); | |
373 | return NULL; | |
374 | } | |
375 | } | |
376 | /* BSD4.4-style long filename. | |
047066e1 | 377 | Only implemented for reading, so far! */ |
252b5132 RH |
378 | else if (hdr.ar_name[0] == '#' |
379 | && hdr.ar_name[1] == '1' | |
380 | && hdr.ar_name[2] == '/' | |
3882b010 | 381 | && ISDIGIT (hdr.ar_name[3])) |
252b5132 RH |
382 | { |
383 | /* BSD-4.4 extended name */ | |
384 | namelen = atoi (&hdr.ar_name[3]); | |
385 | allocsize += namelen + 1; | |
386 | parsed_size -= namelen; | |
387 | ||
388 | allocptr = bfd_zalloc (abfd, allocsize); | |
389 | if (allocptr == NULL) | |
390 | return NULL; | |
391 | filename = (allocptr | |
392 | + sizeof (struct areltdata) | |
393 | + sizeof (struct ar_hdr)); | |
dc810e39 | 394 | if (bfd_bread (filename, namelen, abfd) != namelen) |
252b5132 RH |
395 | { |
396 | if (bfd_get_error () != bfd_error_system_call) | |
397 | bfd_set_error (bfd_error_no_more_archived_files); | |
398 | return NULL; | |
399 | } | |
400 | filename[namelen] = '\0'; | |
401 | } | |
402 | else | |
403 | { | |
404 | /* We judge the end of the name by looking for '/' or ' '. | |
405 | Note: The SYSV format (terminated by '/') allows embedded | |
d70910e8 | 406 | spaces, so only look for ' ' if we don't find '/'. */ |
252b5132 RH |
407 | |
408 | char *e; | |
c58b9523 | 409 | e = memchr (hdr.ar_name, '\0', ar_maxnamelen (abfd)); |
252b5132 RH |
410 | if (e == NULL) |
411 | { | |
c58b9523 | 412 | e = memchr (hdr.ar_name, '/', ar_maxnamelen (abfd)); |
252b5132 | 413 | if (e == NULL) |
c58b9523 | 414 | e = memchr (hdr.ar_name, ' ', ar_maxnamelen (abfd)); |
252b5132 RH |
415 | } |
416 | ||
417 | if (e != NULL) | |
418 | namelen = e - hdr.ar_name; | |
419 | else | |
420 | { | |
421 | /* If we didn't find a termination character, then the name | |
422 | must be the entire field. */ | |
423 | namelen = ar_maxnamelen (abfd); | |
424 | } | |
425 | ||
426 | allocsize += namelen + 1; | |
427 | } | |
428 | ||
429 | if (!allocptr) | |
430 | { | |
431 | allocptr = bfd_zalloc (abfd, allocsize); | |
432 | if (allocptr == NULL) | |
433 | return NULL; | |
434 | } | |
435 | ||
436 | ared = (struct areltdata *) allocptr; | |
437 | ||
438 | ared->arch_header = allocptr + sizeof (struct areltdata); | |
c58b9523 | 439 | memcpy (ared->arch_header, &hdr, sizeof (struct ar_hdr)); |
252b5132 RH |
440 | ared->parsed_size = parsed_size; |
441 | ||
442 | if (filename != NULL) | |
443 | ared->filename = filename; | |
444 | else | |
445 | { | |
446 | ared->filename = allocptr + (sizeof (struct areltdata) + | |
447 | sizeof (struct ar_hdr)); | |
448 | if (namelen) | |
c58b9523 | 449 | memcpy (ared->filename, hdr.ar_name, namelen); |
252b5132 RH |
450 | ared->filename[namelen] = '\0'; |
451 | } | |
452 | ||
c58b9523 | 453 | return ared; |
252b5132 RH |
454 | } |
455 | \f | |
456 | /* This is an internal function; it's mainly used when indexing | |
457 | through the archive symbol table, but also used to get the next | |
458 | element, since it handles the bookkeeping so nicely for us. */ | |
459 | ||
460 | bfd * | |
c58b9523 | 461 | _bfd_get_elt_at_filepos (bfd *archive, file_ptr filepos) |
252b5132 RH |
462 | { |
463 | struct areltdata *new_areldata; | |
464 | bfd *n_nfd; | |
465 | ||
1b09e940 NC |
466 | if (archive->my_archive) |
467 | { | |
468 | filepos += archive->origin; | |
469 | archive = archive->my_archive; | |
470 | } | |
471 | ||
252b5132 RH |
472 | n_nfd = _bfd_look_for_bfd_in_cache (archive, filepos); |
473 | if (n_nfd) | |
474 | return n_nfd; | |
475 | ||
476 | if (0 > bfd_seek (archive, filepos, SEEK_SET)) | |
477 | return NULL; | |
478 | ||
c58b9523 | 479 | if ((new_areldata = _bfd_read_ar_hdr (archive)) == NULL) |
252b5132 RH |
480 | return NULL; |
481 | ||
482 | n_nfd = _bfd_create_empty_archive_element_shell (archive); | |
483 | if (n_nfd == NULL) | |
484 | { | |
c58b9523 | 485 | bfd_release (archive, new_areldata); |
252b5132 RH |
486 | return NULL; |
487 | } | |
488 | ||
489 | n_nfd->origin = bfd_tell (archive); | |
c58b9523 | 490 | n_nfd->arelt_data = new_areldata; |
252b5132 RH |
491 | n_nfd->filename = new_areldata->filename; |
492 | ||
493 | if (_bfd_add_bfd_to_archive_cache (archive, filepos, n_nfd)) | |
494 | return n_nfd; | |
495 | ||
047066e1 | 496 | /* Huh? */ |
c58b9523 AM |
497 | bfd_release (archive, n_nfd); |
498 | bfd_release (archive, new_areldata); | |
252b5132 RH |
499 | return NULL; |
500 | } | |
501 | ||
502 | /* Return the BFD which is referenced by the symbol in ABFD indexed by | |
503 | INDEX. INDEX should have been returned by bfd_get_next_mapent. */ | |
504 | ||
505 | bfd * | |
c58b9523 | 506 | _bfd_generic_get_elt_at_index (bfd *abfd, symindex index) |
252b5132 RH |
507 | { |
508 | carsym *entry; | |
509 | ||
510 | entry = bfd_ardata (abfd)->symdefs + index; | |
511 | return _bfd_get_elt_at_filepos (abfd, entry->file_offset); | |
512 | } | |
513 | ||
514 | /* | |
515 | FUNCTION | |
516 | bfd_openr_next_archived_file | |
517 | ||
518 | SYNOPSIS | |
c58b9523 | 519 | bfd *bfd_openr_next_archived_file (bfd *archive, bfd *previous); |
252b5132 RH |
520 | |
521 | DESCRIPTION | |
522 | Provided a BFD, @var{archive}, containing an archive and NULL, open | |
523 | an input BFD on the first contained element and returns that. | |
524 | Subsequent calls should pass | |
525 | the archive and the previous return value to return a created | |
526 | BFD to the next contained element. NULL is returned when there | |
527 | are no more. | |
252b5132 RH |
528 | */ |
529 | ||
530 | bfd * | |
c58b9523 | 531 | bfd_openr_next_archived_file (bfd *archive, bfd *last_file) |
252b5132 RH |
532 | { |
533 | if ((bfd_get_format (archive) != bfd_archive) || | |
534 | (archive->direction == write_direction)) | |
535 | { | |
536 | bfd_set_error (bfd_error_invalid_operation); | |
537 | return NULL; | |
538 | } | |
539 | ||
540 | return BFD_SEND (archive, | |
c58b9523 | 541 | openr_next_archived_file, (archive, last_file)); |
252b5132 RH |
542 | } |
543 | ||
544 | bfd * | |
c58b9523 | 545 | bfd_generic_openr_next_archived_file (bfd *archive, bfd *last_file) |
252b5132 RH |
546 | { |
547 | file_ptr filestart; | |
548 | ||
549 | if (!last_file) | |
550 | filestart = bfd_ardata (archive)->first_file_filepos; | |
551 | else | |
552 | { | |
553 | unsigned int size = arelt_size (last_file); | |
1b09e940 NC |
554 | filestart = last_file->origin + size; |
555 | if (archive->my_archive) | |
556 | filestart -= archive->origin; | |
252b5132 RH |
557 | /* Pad to an even boundary... |
558 | Note that last_file->origin can be odd in the case of | |
d70910e8 | 559 | BSD-4.4-style element with a long odd size. */ |
252b5132 RH |
560 | filestart += filestart % 2; |
561 | } | |
562 | ||
563 | return _bfd_get_elt_at_filepos (archive, filestart); | |
564 | } | |
565 | ||
252b5132 | 566 | const bfd_target * |
c58b9523 | 567 | bfd_generic_archive_p (bfd *abfd) |
252b5132 RH |
568 | { |
569 | struct artdata *tdata_hold; | |
570 | char armag[SARMAG + 1]; | |
dc810e39 | 571 | bfd_size_type amt; |
252b5132 | 572 | |
c58b9523 | 573 | if (bfd_bread (armag, SARMAG, abfd) != SARMAG) |
252b5132 RH |
574 | { |
575 | if (bfd_get_error () != bfd_error_system_call) | |
576 | bfd_set_error (bfd_error_wrong_format); | |
577 | return NULL; | |
578 | } | |
579 | ||
252b5132 RH |
580 | if (strncmp (armag, ARMAG, SARMAG) != 0 && |
581 | strncmp (armag, ARMAGB, SARMAG) != 0) | |
582 | return 0; | |
252b5132 | 583 | |
487e54f2 | 584 | tdata_hold = bfd_ardata (abfd); |
252b5132 | 585 | |
487e54f2 | 586 | amt = sizeof (struct artdata); |
c58b9523 | 587 | bfd_ardata (abfd) = bfd_zalloc (abfd, amt); |
252b5132 | 588 | if (bfd_ardata (abfd) == NULL) |
487e54f2 AM |
589 | { |
590 | bfd_ardata (abfd) = tdata_hold; | |
591 | return NULL; | |
592 | } | |
252b5132 RH |
593 | |
594 | bfd_ardata (abfd)->first_file_filepos = SARMAG; | |
595 | bfd_ardata (abfd)->cache = NULL; | |
596 | bfd_ardata (abfd)->archive_head = NULL; | |
597 | bfd_ardata (abfd)->symdefs = NULL; | |
598 | bfd_ardata (abfd)->extended_names = NULL; | |
599 | bfd_ardata (abfd)->tdata = NULL; | |
600 | ||
487e54f2 AM |
601 | if (!BFD_SEND (abfd, _bfd_slurp_armap, (abfd)) |
602 | || !BFD_SEND (abfd, _bfd_slurp_extended_name_table, (abfd))) | |
252b5132 | 603 | { |
252b5132 RH |
604 | if (bfd_get_error () != bfd_error_system_call) |
605 | bfd_set_error (bfd_error_wrong_format); | |
252b5132 | 606 | bfd_release (abfd, bfd_ardata (abfd)); |
487e54f2 | 607 | bfd_ardata (abfd) = tdata_hold; |
252b5132 RH |
608 | return NULL; |
609 | } | |
610 | ||
611 | if (bfd_has_map (abfd)) | |
612 | { | |
613 | bfd *first; | |
614 | ||
615 | /* This archive has a map, so we may presume that the contents | |
616 | are object files. Make sure that if the first file in the | |
617 | archive can be recognized as an object file, it is for this | |
618 | target. If not, assume that this is the wrong format. If | |
619 | the first file is not an object file, somebody is doing | |
620 | something weird, and we permit it so that ar -t will work. | |
621 | ||
622 | This is done because any normal format will recognize any | |
623 | normal archive, regardless of the format of the object files. | |
624 | We do accept an empty archive. */ | |
625 | ||
c58b9523 | 626 | first = bfd_openr_next_archived_file (abfd, NULL); |
252b5132 RH |
627 | if (first != NULL) |
628 | { | |
b34976b6 | 629 | bfd_boolean fail; |
252b5132 | 630 | |
b34976b6 AM |
631 | first->target_defaulted = FALSE; |
632 | fail = FALSE; | |
252b5132 RH |
633 | if (bfd_check_format (first, bfd_object) |
634 | && first->xvec != abfd->xvec) | |
635 | { | |
3619ad04 | 636 | bfd_set_error (bfd_error_wrong_object_format); |
487e54f2 | 637 | bfd_ardata (abfd) = tdata_hold; |
252b5132 RH |
638 | return NULL; |
639 | } | |
3619ad04 | 640 | /* And we ought to close `first' here too. */ |
252b5132 RH |
641 | } |
642 | } | |
643 | ||
644 | return abfd->xvec; | |
645 | } | |
646 | ||
647 | /* Some constants for a 32 bit BSD archive structure. We do not | |
648 | support 64 bit archives presently; so far as I know, none actually | |
649 | exist. Supporting them would require changing these constants, and | |
dc810e39 | 650 | changing some H_GET_32 to H_GET_64. */ |
252b5132 RH |
651 | |
652 | /* The size of an external symdef structure. */ | |
653 | #define BSD_SYMDEF_SIZE 8 | |
654 | ||
655 | /* The offset from the start of a symdef structure to the file offset. */ | |
656 | #define BSD_SYMDEF_OFFSET_SIZE 4 | |
657 | ||
658 | /* The size of the symdef count. */ | |
659 | #define BSD_SYMDEF_COUNT_SIZE 4 | |
660 | ||
661 | /* The size of the string count. */ | |
662 | #define BSD_STRING_COUNT_SIZE 4 | |
663 | ||
06fc8a8c | 664 | /* Returns FALSE on error, TRUE otherwise. */ |
252b5132 | 665 | |
b34976b6 | 666 | static bfd_boolean |
c58b9523 | 667 | do_slurp_bsd_armap (bfd *abfd) |
252b5132 RH |
668 | { |
669 | struct areltdata *mapdata; | |
670 | unsigned int counter; | |
671 | bfd_byte *raw_armap, *rbase; | |
672 | struct artdata *ardata = bfd_ardata (abfd); | |
673 | char *stringbase; | |
dc810e39 | 674 | bfd_size_type parsed_size, amt; |
252b5132 RH |
675 | carsym *set; |
676 | ||
c58b9523 | 677 | mapdata = _bfd_read_ar_hdr (abfd); |
252b5132 | 678 | if (mapdata == NULL) |
b34976b6 | 679 | return FALSE; |
252b5132 | 680 | parsed_size = mapdata->parsed_size; |
c58b9523 | 681 | bfd_release (abfd, mapdata); /* Don't need it any more. */ |
252b5132 | 682 | |
c58b9523 AM |
683 | raw_armap = bfd_zalloc (abfd, parsed_size); |
684 | if (raw_armap == NULL) | |
b34976b6 | 685 | return FALSE; |
252b5132 | 686 | |
c58b9523 | 687 | if (bfd_bread (raw_armap, parsed_size, abfd) != parsed_size) |
252b5132 RH |
688 | { |
689 | if (bfd_get_error () != bfd_error_system_call) | |
690 | bfd_set_error (bfd_error_malformed_archive); | |
691 | byebye: | |
c58b9523 | 692 | bfd_release (abfd, raw_armap); |
b34976b6 | 693 | return FALSE; |
252b5132 RH |
694 | } |
695 | ||
dc810e39 | 696 | ardata->symdef_count = H_GET_32 (abfd, raw_armap) / BSD_SYMDEF_SIZE; |
252b5132 RH |
697 | |
698 | if (ardata->symdef_count * BSD_SYMDEF_SIZE > | |
699 | parsed_size - BSD_SYMDEF_COUNT_SIZE) | |
700 | { | |
701 | /* Probably we're using the wrong byte ordering. */ | |
702 | bfd_set_error (bfd_error_wrong_format); | |
703 | goto byebye; | |
704 | } | |
705 | ||
706 | ardata->cache = 0; | |
707 | rbase = raw_armap + BSD_SYMDEF_COUNT_SIZE; | |
708 | stringbase = ((char *) rbase | |
709 | + ardata->symdef_count * BSD_SYMDEF_SIZE | |
710 | + BSD_STRING_COUNT_SIZE); | |
c58b9523 AM |
711 | amt = ardata->symdef_count * sizeof (carsym); |
712 | ardata->symdefs = bfd_alloc (abfd, amt); | |
252b5132 | 713 | if (!ardata->symdefs) |
b34976b6 | 714 | return FALSE; |
252b5132 RH |
715 | |
716 | for (counter = 0, set = ardata->symdefs; | |
717 | counter < ardata->symdef_count; | |
718 | counter++, set++, rbase += BSD_SYMDEF_SIZE) | |
719 | { | |
dc810e39 AM |
720 | set->name = H_GET_32 (abfd, rbase) + stringbase; |
721 | set->file_offset = H_GET_32 (abfd, rbase + BSD_SYMDEF_OFFSET_SIZE); | |
252b5132 RH |
722 | } |
723 | ||
724 | ardata->first_file_filepos = bfd_tell (abfd); | |
047066e1 | 725 | /* Pad to an even boundary if you have to. */ |
252b5132 RH |
726 | ardata->first_file_filepos += (ardata->first_file_filepos) % 2; |
727 | /* FIXME, we should provide some way to free raw_ardata when | |
728 | we are done using the strings from it. For now, it seems | |
d70910e8 | 729 | to be allocated on an objalloc anyway... */ |
b34976b6 AM |
730 | bfd_has_map (abfd) = TRUE; |
731 | return TRUE; | |
252b5132 RH |
732 | } |
733 | ||
b34976b6 | 734 | /* Returns FALSE on error, TRUE otherwise. */ |
047066e1 | 735 | |
b34976b6 | 736 | static bfd_boolean |
c58b9523 | 737 | do_slurp_coff_armap (bfd *abfd) |
252b5132 RH |
738 | { |
739 | struct areltdata *mapdata; | |
740 | int *raw_armap, *rawptr; | |
741 | struct artdata *ardata = bfd_ardata (abfd); | |
742 | char *stringbase; | |
dc810e39 | 743 | bfd_size_type stringsize; |
252b5132 RH |
744 | unsigned int parsed_size; |
745 | carsym *carsyms; | |
dc810e39 | 746 | bfd_size_type nsymz; /* Number of symbols in armap. */ |
edeb6e24 | 747 | bfd_vma (*swap) (const void *); |
252b5132 | 748 | char int_buf[sizeof (long)]; |
dc810e39 AM |
749 | bfd_size_type carsym_size, ptrsize; |
750 | unsigned int i; | |
252b5132 | 751 | |
c58b9523 | 752 | mapdata = _bfd_read_ar_hdr (abfd); |
252b5132 | 753 | if (mapdata == NULL) |
b34976b6 | 754 | return FALSE; |
252b5132 | 755 | parsed_size = mapdata->parsed_size; |
c58b9523 | 756 | bfd_release (abfd, mapdata); /* Don't need it any more. */ |
252b5132 | 757 | |
c58b9523 | 758 | if (bfd_bread (int_buf, 4, abfd) != 4) |
252b5132 RH |
759 | { |
760 | if (bfd_get_error () != bfd_error_system_call) | |
761 | bfd_set_error (bfd_error_malformed_archive); | |
b34976b6 | 762 | return FALSE; |
252b5132 RH |
763 | } |
764 | /* It seems that all numeric information in a coff archive is always | |
d70910e8 | 765 | in big endian format, nomatter the host or target. */ |
252b5132 | 766 | swap = bfd_getb32; |
c58b9523 | 767 | nsymz = bfd_getb32 (int_buf); |
252b5132 RH |
768 | stringsize = parsed_size - (4 * nsymz) - 4; |
769 | ||
252b5132 RH |
770 | /* ... except that some archive formats are broken, and it may be our |
771 | fault - the i960 little endian coff sometimes has big and sometimes | |
772 | little, because our tools changed. Here's a horrible hack to clean | |
773 | up the crap. */ | |
774 | ||
775 | if (stringsize > 0xfffff | |
776 | && bfd_get_arch (abfd) == bfd_arch_i960 | |
777 | && bfd_get_flavour (abfd) == bfd_target_coff_flavour) | |
778 | { | |
047066e1 | 779 | /* This looks dangerous, let's do it the other way around. */ |
c58b9523 | 780 | nsymz = bfd_getl32 (int_buf); |
252b5132 RH |
781 | stringsize = parsed_size - (4 * nsymz) - 4; |
782 | swap = bfd_getl32; | |
783 | } | |
252b5132 RH |
784 | |
785 | /* The coff armap must be read sequentially. So we construct a | |
d70910e8 | 786 | bsd-style one in core all at once, for simplicity. */ |
252b5132 RH |
787 | |
788 | carsym_size = (nsymz * sizeof (carsym)); | |
789 | ptrsize = (4 * nsymz); | |
790 | ||
c58b9523 | 791 | ardata->symdefs = bfd_zalloc (abfd, carsym_size + stringsize + 1); |
252b5132 | 792 | if (ardata->symdefs == NULL) |
b34976b6 | 793 | return FALSE; |
252b5132 RH |
794 | carsyms = ardata->symdefs; |
795 | stringbase = ((char *) ardata->symdefs) + carsym_size; | |
796 | ||
d70910e8 | 797 | /* Allocate and read in the raw offsets. */ |
c58b9523 | 798 | raw_armap = bfd_alloc (abfd, ptrsize); |
252b5132 RH |
799 | if (raw_armap == NULL) |
800 | goto release_symdefs; | |
c58b9523 AM |
801 | if (bfd_bread (raw_armap, ptrsize, abfd) != ptrsize |
802 | || (bfd_bread (stringbase, stringsize, abfd) != stringsize)) | |
252b5132 RH |
803 | { |
804 | if (bfd_get_error () != bfd_error_system_call) | |
805 | bfd_set_error (bfd_error_malformed_archive); | |
806 | goto release_raw_armap; | |
807 | } | |
808 | ||
047066e1 | 809 | /* OK, build the carsyms. */ |
252b5132 RH |
810 | for (i = 0; i < nsymz; i++) |
811 | { | |
812 | rawptr = raw_armap + i; | |
c58b9523 | 813 | carsyms->file_offset = swap ((bfd_byte *) rawptr); |
252b5132 RH |
814 | carsyms->name = stringbase; |
815 | stringbase += strlen (stringbase) + 1; | |
816 | carsyms++; | |
817 | } | |
818 | *stringbase = 0; | |
819 | ||
820 | ardata->symdef_count = nsymz; | |
821 | ardata->first_file_filepos = bfd_tell (abfd); | |
047066e1 | 822 | /* Pad to an even boundary if you have to. */ |
252b5132 RH |
823 | ardata->first_file_filepos += (ardata->first_file_filepos) % 2; |
824 | ||
b34976b6 | 825 | bfd_has_map (abfd) = TRUE; |
c58b9523 | 826 | bfd_release (abfd, raw_armap); |
252b5132 | 827 | |
047066e1 | 828 | /* Check for a second archive header (as used by PE). */ |
252b5132 RH |
829 | { |
830 | struct areltdata *tmp; | |
831 | ||
dc810e39 | 832 | bfd_seek (abfd, ardata->first_file_filepos, SEEK_SET); |
c58b9523 | 833 | tmp = _bfd_read_ar_hdr (abfd); |
23afc6f6 | 834 | if (tmp != NULL) |
252b5132 RH |
835 | { |
836 | if (tmp->arch_header[0] == '/' | |
23afc6f6 | 837 | && tmp->arch_header[1] == ' ') |
252b5132 RH |
838 | { |
839 | ardata->first_file_filepos += | |
dc810e39 | 840 | (tmp->parsed_size + sizeof (struct ar_hdr) + 1) & ~(unsigned) 1; |
252b5132 RH |
841 | } |
842 | bfd_release (abfd, tmp); | |
843 | } | |
844 | } | |
845 | ||
b34976b6 | 846 | return TRUE; |
252b5132 RH |
847 | |
848 | release_raw_armap: | |
c58b9523 | 849 | bfd_release (abfd, raw_armap); |
252b5132 | 850 | release_symdefs: |
c58b9523 | 851 | bfd_release (abfd, (ardata)->symdefs); |
b34976b6 | 852 | return FALSE; |
252b5132 RH |
853 | } |
854 | ||
855 | /* This routine can handle either coff-style or bsd-style armaps. | |
b34976b6 | 856 | Returns FALSE on error, TRUE otherwise */ |
252b5132 | 857 | |
b34976b6 | 858 | bfd_boolean |
c58b9523 | 859 | bfd_slurp_armap (bfd *abfd) |
252b5132 RH |
860 | { |
861 | char nextname[17]; | |
c58b9523 | 862 | int i = bfd_bread (nextname, 16, abfd); |
252b5132 RH |
863 | |
864 | if (i == 0) | |
b34976b6 | 865 | return TRUE; |
252b5132 | 866 | if (i != 16) |
b34976b6 | 867 | return FALSE; |
252b5132 | 868 | |
dc810e39 | 869 | if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0) |
b34976b6 | 870 | return FALSE; |
252b5132 RH |
871 | |
872 | if (!strncmp (nextname, "__.SYMDEF ", 16) | |
873 | || !strncmp (nextname, "__.SYMDEF/ ", 16)) /* old Linux archives */ | |
874 | return do_slurp_bsd_armap (abfd); | |
875 | else if (!strncmp (nextname, "/ ", 16)) | |
876 | return do_slurp_coff_armap (abfd); | |
877 | else if (!strncmp (nextname, "/SYM64/ ", 16)) | |
878 | { | |
36b45482 TS |
879 | /* 64bit ELF (Irix 6) archive. */ |
880 | #ifdef BFD64 | |
c58b9523 | 881 | extern bfd_boolean bfd_elf64_archive_slurp_armap (bfd *); |
36b45482 TS |
882 | return bfd_elf64_archive_slurp_armap (abfd); |
883 | #else | |
252b5132 | 884 | bfd_set_error (bfd_error_wrong_format); |
b34976b6 | 885 | return FALSE; |
36b45482 | 886 | #endif |
252b5132 RH |
887 | } |
888 | ||
b34976b6 AM |
889 | bfd_has_map (abfd) = FALSE; |
890 | return TRUE; | |
252b5132 RH |
891 | } |
892 | \f | |
06fc8a8c NC |
893 | /* Returns FALSE on error, TRUE otherwise. */ |
894 | /* Flavor 2 of a bsd armap, similar to bfd_slurp_bsd_armap except the | |
252b5132 | 895 | header is in a slightly different order and the map name is '/'. |
d70910e8 | 896 | This flavour is used by hp300hpux. */ |
252b5132 RH |
897 | |
898 | #define HPUX_SYMDEF_COUNT_SIZE 2 | |
899 | ||
b34976b6 | 900 | bfd_boolean |
c58b9523 | 901 | bfd_slurp_bsd_armap_f2 (bfd *abfd) |
252b5132 RH |
902 | { |
903 | struct areltdata *mapdata; | |
904 | char nextname[17]; | |
905 | unsigned int counter; | |
906 | bfd_byte *raw_armap, *rbase; | |
907 | struct artdata *ardata = bfd_ardata (abfd); | |
908 | char *stringbase; | |
909 | unsigned int stringsize; | |
dc810e39 | 910 | bfd_size_type amt; |
252b5132 | 911 | carsym *set; |
c58b9523 | 912 | int i = bfd_bread (nextname, 16, abfd); |
252b5132 RH |
913 | |
914 | if (i == 0) | |
b34976b6 | 915 | return TRUE; |
252b5132 | 916 | if (i != 16) |
b34976b6 | 917 | return FALSE; |
252b5132 | 918 | |
047066e1 | 919 | /* The archive has at least 16 bytes in it. */ |
dc810e39 | 920 | if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0) |
b34976b6 | 921 | return FALSE; |
252b5132 RH |
922 | |
923 | if (!strncmp (nextname, "__.SYMDEF ", 16) | |
06fc8a8c | 924 | || !strncmp (nextname, "__.SYMDEF/ ", 16)) /* Old Linux archives. */ |
252b5132 RH |
925 | return do_slurp_bsd_armap (abfd); |
926 | ||
927 | if (strncmp (nextname, "/ ", 16)) | |
928 | { | |
b34976b6 AM |
929 | bfd_has_map (abfd) = FALSE; |
930 | return TRUE; | |
252b5132 RH |
931 | } |
932 | ||
c58b9523 | 933 | mapdata = _bfd_read_ar_hdr (abfd); |
252b5132 | 934 | if (mapdata == NULL) |
b34976b6 | 935 | return FALSE; |
252b5132 | 936 | |
dc810e39 | 937 | amt = mapdata->parsed_size; |
c58b9523 | 938 | raw_armap = bfd_zalloc (abfd, amt); |
252b5132 RH |
939 | if (raw_armap == NULL) |
940 | { | |
941 | byebye: | |
c58b9523 | 942 | bfd_release (abfd, mapdata); |
b34976b6 | 943 | return FALSE; |
252b5132 RH |
944 | } |
945 | ||
c58b9523 | 946 | if (bfd_bread (raw_armap, amt, abfd) != amt) |
252b5132 RH |
947 | { |
948 | if (bfd_get_error () != bfd_error_system_call) | |
949 | bfd_set_error (bfd_error_malformed_archive); | |
950 | byebyebye: | |
c58b9523 | 951 | bfd_release (abfd, raw_armap); |
252b5132 RH |
952 | goto byebye; |
953 | } | |
954 | ||
c58b9523 | 955 | ardata->symdef_count = H_GET_16 (abfd, raw_armap); |
252b5132 RH |
956 | |
957 | if (ardata->symdef_count * BSD_SYMDEF_SIZE | |
958 | > mapdata->parsed_size - HPUX_SYMDEF_COUNT_SIZE) | |
959 | { | |
960 | /* Probably we're using the wrong byte ordering. */ | |
961 | bfd_set_error (bfd_error_wrong_format); | |
962 | goto byebyebye; | |
963 | } | |
964 | ||
965 | ardata->cache = 0; | |
966 | ||
dc810e39 | 967 | stringsize = H_GET_32 (abfd, raw_armap + HPUX_SYMDEF_COUNT_SIZE); |
047066e1 | 968 | /* Skip sym count and string sz. */ |
252b5132 RH |
969 | stringbase = ((char *) raw_armap |
970 | + HPUX_SYMDEF_COUNT_SIZE | |
971 | + BSD_STRING_COUNT_SIZE); | |
972 | rbase = (bfd_byte *) stringbase + stringsize; | |
c58b9523 AM |
973 | amt = ardata->symdef_count * BSD_SYMDEF_SIZE; |
974 | ardata->symdefs = bfd_alloc (abfd, amt); | |
252b5132 | 975 | if (!ardata->symdefs) |
b34976b6 | 976 | return FALSE; |
252b5132 RH |
977 | |
978 | for (counter = 0, set = ardata->symdefs; | |
979 | counter < ardata->symdef_count; | |
980 | counter++, set++, rbase += BSD_SYMDEF_SIZE) | |
981 | { | |
dc810e39 AM |
982 | set->name = H_GET_32 (abfd, rbase) + stringbase; |
983 | set->file_offset = H_GET_32 (abfd, rbase + BSD_SYMDEF_OFFSET_SIZE); | |
252b5132 RH |
984 | } |
985 | ||
986 | ardata->first_file_filepos = bfd_tell (abfd); | |
047066e1 | 987 | /* Pad to an even boundary if you have to. */ |
252b5132 RH |
988 | ardata->first_file_filepos += (ardata->first_file_filepos) % 2; |
989 | /* FIXME, we should provide some way to free raw_ardata when | |
990 | we are done using the strings from it. For now, it seems | |
d70910e8 | 991 | to be allocated on an objalloc anyway... */ |
b34976b6 AM |
992 | bfd_has_map (abfd) = TRUE; |
993 | return TRUE; | |
252b5132 RH |
994 | } |
995 | \f | |
996 | /** Extended name table. | |
997 | ||
998 | Normally archives support only 14-character filenames. | |
999 | ||
1000 | Intel has extended the format: longer names are stored in a special | |
1001 | element (the first in the archive, or second if there is an armap); | |
1002 | the name in the ar_hdr is replaced by <space><index into filename | |
1003 | element>. Index is the P.R. of an int (decimal). Data General have | |
047066e1 KH |
1004 | extended the format by using the prefix // for the special element. */ |
1005 | ||
b34976b6 | 1006 | /* Returns FALSE on error, TRUE otherwise. */ |
252b5132 | 1007 | |
b34976b6 | 1008 | bfd_boolean |
c58b9523 | 1009 | _bfd_slurp_extended_name_table (bfd *abfd) |
252b5132 RH |
1010 | { |
1011 | char nextname[17]; | |
1012 | struct areltdata *namedata; | |
dc810e39 | 1013 | bfd_size_type amt; |
252b5132 RH |
1014 | |
1015 | /* FIXME: Formatting sucks here, and in case of failure of BFD_READ, | |
b34976b6 | 1016 | we probably don't want to return TRUE. */ |
252b5132 | 1017 | bfd_seek (abfd, bfd_ardata (abfd)->first_file_filepos, SEEK_SET); |
c58b9523 | 1018 | if (bfd_bread (nextname, 16, abfd) == 16) |
252b5132 | 1019 | { |
dc810e39 | 1020 | if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0) |
b34976b6 | 1021 | return FALSE; |
252b5132 RH |
1022 | |
1023 | if (strncmp (nextname, "ARFILENAMES/ ", 16) != 0 && | |
1024 | strncmp (nextname, "// ", 16) != 0) | |
1025 | { | |
1026 | bfd_ardata (abfd)->extended_names = NULL; | |
b34976b6 | 1027 | return TRUE; |
252b5132 RH |
1028 | } |
1029 | ||
c58b9523 | 1030 | namedata = _bfd_read_ar_hdr (abfd); |
252b5132 | 1031 | if (namedata == NULL) |
b34976b6 | 1032 | return FALSE; |
252b5132 | 1033 | |
dc810e39 AM |
1034 | amt = namedata->parsed_size; |
1035 | bfd_ardata (abfd)->extended_names = bfd_zalloc (abfd, amt); | |
252b5132 RH |
1036 | if (bfd_ardata (abfd)->extended_names == NULL) |
1037 | { | |
1038 | byebye: | |
c58b9523 | 1039 | bfd_release (abfd, namedata); |
b34976b6 | 1040 | return FALSE; |
252b5132 RH |
1041 | } |
1042 | ||
c58b9523 | 1043 | if (bfd_bread (bfd_ardata (abfd)->extended_names, amt, abfd) != amt) |
252b5132 RH |
1044 | { |
1045 | if (bfd_get_error () != bfd_error_system_call) | |
1046 | bfd_set_error (bfd_error_malformed_archive); | |
c58b9523 | 1047 | bfd_release (abfd, (bfd_ardata (abfd)->extended_names)); |
252b5132 RH |
1048 | bfd_ardata (abfd)->extended_names = NULL; |
1049 | goto byebye; | |
1050 | } | |
1051 | ||
1052 | /* Since the archive is supposed to be printable if it contains | |
1053 | text, the entries in the list are newline-padded, not null | |
1054 | padded. In SVR4-style archives, the names also have a | |
1055 | trailing '/'. DOS/NT created archive often have \ in them | |
1056 | We'll fix all problems here.. */ | |
1057 | { | |
1058 | char *temp = bfd_ardata (abfd)->extended_names; | |
1059 | char *limit = temp + namedata->parsed_size; | |
047066e1 KH |
1060 | for (; temp < limit; ++temp) |
1061 | { | |
1062 | if (*temp == '\012') | |
1063 | temp[temp[-1] == '/' ? -1 : 0] = '\0'; | |
1064 | if (*temp == '\\') | |
1065 | *temp = '/'; | |
1066 | } | |
252b5132 RH |
1067 | } |
1068 | ||
047066e1 | 1069 | /* Pad to an even boundary if you have to. */ |
252b5132 RH |
1070 | bfd_ardata (abfd)->first_file_filepos = bfd_tell (abfd); |
1071 | bfd_ardata (abfd)->first_file_filepos += | |
1072 | (bfd_ardata (abfd)->first_file_filepos) % 2; | |
1073 | ||
1074 | /* FIXME, we can't release namedata here because it was allocated | |
d70910e8 | 1075 | below extended_names on the objalloc... */ |
252b5132 | 1076 | } |
b34976b6 | 1077 | return TRUE; |
252b5132 RH |
1078 | } |
1079 | ||
1080 | #ifdef VMS | |
1081 | ||
1082 | /* Return a copy of the stuff in the filename between any :]> and a | |
047066e1 KH |
1083 | semicolon. */ |
1084 | ||
252b5132 | 1085 | static const char * |
c58b9523 | 1086 | normalize (bfd *abfd, const char *file) |
252b5132 | 1087 | { |
dc810e39 AM |
1088 | const char *first; |
1089 | const char *last; | |
252b5132 RH |
1090 | char *copy; |
1091 | ||
1092 | first = file + strlen (file) - 1; | |
1093 | last = first + 1; | |
1094 | ||
1095 | while (first != file) | |
1096 | { | |
1097 | if (*first == ';') | |
1098 | last = first; | |
1099 | if (*first == ':' || *first == ']' || *first == '>') | |
1100 | { | |
1101 | first++; | |
1102 | break; | |
1103 | } | |
1104 | first--; | |
1105 | } | |
1106 | ||
c58b9523 | 1107 | copy = bfd_alloc (abfd, last - first + 1); |
252b5132 RH |
1108 | if (copy == NULL) |
1109 | return NULL; | |
1110 | ||
1111 | memcpy (copy, first, last - first); | |
1112 | copy[last - first] = 0; | |
1113 | ||
1114 | return copy; | |
1115 | } | |
1116 | ||
1117 | #else | |
1118 | static const char * | |
c58b9523 | 1119 | normalize (bfd *abfd ATTRIBUTE_UNUSED, const char *file) |
252b5132 RH |
1120 | { |
1121 | const char *filename = strrchr (file, '/'); | |
1122 | ||
5af11cab AM |
1123 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
1124 | { | |
1125 | /* We could have foo/bar\\baz, or foo\\bar, or d:bar. */ | |
1126 | char *bslash = strrchr (file, '\\'); | |
2ab47eed | 1127 | if (filename == NULL || (bslash != NULL && bslash > filename)) |
5af11cab AM |
1128 | filename = bslash; |
1129 | if (filename == NULL && file[0] != '\0' && file[1] == ':') | |
1130 | filename = file + 1; | |
1131 | } | |
1132 | #endif | |
c58b9523 | 1133 | if (filename != NULL) |
252b5132 RH |
1134 | filename++; |
1135 | else | |
1136 | filename = file; | |
1137 | return filename; | |
1138 | } | |
1139 | #endif | |
1140 | ||
1141 | /* Build a BFD style extended name table. */ | |
1142 | ||
b34976b6 | 1143 | bfd_boolean |
c58b9523 AM |
1144 | _bfd_archive_bsd_construct_extended_name_table (bfd *abfd, |
1145 | char **tabloc, | |
1146 | bfd_size_type *tablen, | |
1147 | const char **name) | |
252b5132 RH |
1148 | { |
1149 | *name = "ARFILENAMES/"; | |
b34976b6 | 1150 | return _bfd_construct_extended_name_table (abfd, FALSE, tabloc, tablen); |
252b5132 RH |
1151 | } |
1152 | ||
1153 | /* Build an SVR4 style extended name table. */ | |
1154 | ||
b34976b6 | 1155 | bfd_boolean |
c58b9523 AM |
1156 | _bfd_archive_coff_construct_extended_name_table (bfd *abfd, |
1157 | char **tabloc, | |
1158 | bfd_size_type *tablen, | |
1159 | const char **name) | |
252b5132 RH |
1160 | { |
1161 | *name = "//"; | |
b34976b6 | 1162 | return _bfd_construct_extended_name_table (abfd, TRUE, tabloc, tablen); |
252b5132 RH |
1163 | } |
1164 | ||
1165 | /* Follows archive_head and produces an extended name table if | |
1166 | necessary. Returns (in tabloc) a pointer to an extended name | |
1167 | table, and in tablen the length of the table. If it makes an entry | |
1168 | it clobbers the filename so that the element may be written without | |
b34976b6 | 1169 | further massage. Returns TRUE if it ran successfully, FALSE if |
252b5132 RH |
1170 | something went wrong. A successful return may still involve a |
1171 | zero-length tablen! */ | |
1172 | ||
b34976b6 | 1173 | bfd_boolean |
c58b9523 AM |
1174 | _bfd_construct_extended_name_table (bfd *abfd, |
1175 | bfd_boolean trailing_slash, | |
1176 | char **tabloc, | |
1177 | bfd_size_type *tablen) | |
252b5132 RH |
1178 | { |
1179 | unsigned int maxname = abfd->xvec->ar_max_namelen; | |
dc810e39 | 1180 | bfd_size_type total_namelen = 0; |
252b5132 RH |
1181 | bfd *current; |
1182 | char *strptr; | |
1183 | ||
1184 | *tablen = 0; | |
1185 | ||
047066e1 | 1186 | /* Figure out how long the table should be. */ |
252b5132 RH |
1187 | for (current = abfd->archive_head; current != NULL; current = current->next) |
1188 | { | |
1189 | const char *normal; | |
1190 | unsigned int thislen; | |
1191 | ||
1192 | normal = normalize (current, current->filename); | |
1193 | if (normal == NULL) | |
b34976b6 | 1194 | return FALSE; |
252b5132 RH |
1195 | |
1196 | thislen = strlen (normal); | |
1197 | ||
1198 | if (thislen > maxname | |
1199 | && (bfd_get_file_flags (abfd) & BFD_TRADITIONAL_FORMAT) != 0) | |
1200 | thislen = maxname; | |
1201 | ||
1202 | if (thislen > maxname) | |
1203 | { | |
1204 | /* Add one to leave room for \n. */ | |
1205 | total_namelen += thislen + 1; | |
1206 | if (trailing_slash) | |
1207 | { | |
1208 | /* Leave room for trailing slash. */ | |
1209 | ++total_namelen; | |
1210 | } | |
1211 | } | |
1212 | else | |
1213 | { | |
1214 | struct ar_hdr *hdr = arch_hdr (current); | |
1215 | if (strncmp (normal, hdr->ar_name, thislen) != 0 | |
1216 | || (thislen < sizeof hdr->ar_name | |
1217 | && hdr->ar_name[thislen] != ar_padchar (current))) | |
1218 | { | |
1219 | /* Must have been using extended format even though it | |
1220 | didn't need to. Fix it to use normal format. */ | |
1221 | memcpy (hdr->ar_name, normal, thislen); | |
1222 | if (thislen < maxname | |
1223 | || (thislen == maxname && thislen < sizeof hdr->ar_name)) | |
1224 | hdr->ar_name[thislen] = ar_padchar (current); | |
1225 | } | |
1226 | } | |
1227 | } | |
1228 | ||
1229 | if (total_namelen == 0) | |
b34976b6 | 1230 | return TRUE; |
252b5132 RH |
1231 | |
1232 | *tabloc = bfd_zalloc (abfd, total_namelen); | |
1233 | if (*tabloc == NULL) | |
b34976b6 | 1234 | return FALSE; |
252b5132 RH |
1235 | |
1236 | *tablen = total_namelen; | |
1237 | strptr = *tabloc; | |
1238 | ||
1239 | for (current = abfd->archive_head; current != NULL; current = | |
1240 | current->next) | |
1241 | { | |
1242 | const char *normal; | |
1243 | unsigned int thislen; | |
1244 | ||
1245 | normal = normalize (current, current->filename); | |
1246 | if (normal == NULL) | |
b34976b6 | 1247 | return FALSE; |
252b5132 RH |
1248 | |
1249 | thislen = strlen (normal); | |
1250 | if (thislen > maxname) | |
1251 | { | |
1252 | /* Works for now; may need to be re-engineered if we | |
1253 | encounter an oddball archive format and want to | |
d70910e8 | 1254 | generalise this hack. */ |
252b5132 RH |
1255 | struct ar_hdr *hdr = arch_hdr (current); |
1256 | strcpy (strptr, normal); | |
1257 | if (! trailing_slash) | |
1258 | strptr[thislen] = '\012'; | |
1259 | else | |
1260 | { | |
1261 | strptr[thislen] = '/'; | |
1262 | strptr[thislen + 1] = '\012'; | |
1263 | } | |
1264 | hdr->ar_name[0] = ar_padchar (current); | |
1265 | /* We know there will always be enough room (one of the few | |
d70910e8 | 1266 | cases where you may safely use sprintf). */ |
252b5132 RH |
1267 | sprintf ((hdr->ar_name) + 1, "%-d", (unsigned) (strptr - *tabloc)); |
1268 | /* Kinda Kludgy. We should just use the returned value of | |
047066e1 | 1269 | sprintf but not all implementations get this right. */ |
252b5132 RH |
1270 | { |
1271 | char *temp = hdr->ar_name + 2; | |
1272 | for (; temp < hdr->ar_name + maxname; temp++) | |
1273 | if (*temp == '\0') | |
1274 | *temp = ' '; | |
1275 | } | |
1276 | strptr += thislen + 1; | |
1277 | if (trailing_slash) | |
1278 | ++strptr; | |
1279 | } | |
1280 | } | |
1281 | ||
b34976b6 | 1282 | return TRUE; |
252b5132 RH |
1283 | } |
1284 | \f | |
06fc8a8c | 1285 | /* A couple of functions for creating ar_hdrs. */ |
252b5132 | 1286 | |
23afc6f6 JL |
1287 | #ifdef HPUX_LARGE_AR_IDS |
1288 | /* Function to encode large UID/GID values according to HP. */ | |
047066e1 | 1289 | |
23afc6f6 | 1290 | static void |
c58b9523 | 1291 | hpux_uid_gid_encode (char str[6], long int id) |
23afc6f6 JL |
1292 | { |
1293 | int cnt; | |
1294 | ||
1295 | str[5] = '@' + (id & 3); | |
1296 | id >>= 2; | |
1297 | ||
1298 | for (cnt = 4; cnt >= 0; ++cnt, id >>= 6) | |
1299 | str[cnt] = ' ' + (id & 0x3f); | |
1300 | } | |
1301 | #endif /* HPUX_LARGE_AR_IDS */ | |
1302 | ||
633fd09f ILT |
1303 | #ifndef HAVE_GETUID |
1304 | #define getuid() 0 | |
1305 | #endif | |
1306 | ||
1307 | #ifndef HAVE_GETGID | |
1308 | #define getgid() 0 | |
1309 | #endif | |
1310 | ||
252b5132 RH |
1311 | /* Takes a filename, returns an arelt_data for it, or NULL if it can't |
1312 | make one. The filename must refer to a filename in the filesystem. | |
1313 | The filename field of the ar_hdr will NOT be initialized. If member | |
d70910e8 | 1314 | is set, and it's an in-memory bfd, we fake it. */ |
252b5132 RH |
1315 | |
1316 | static struct areltdata * | |
c58b9523 | 1317 | bfd_ar_hdr_from_filesystem (bfd *abfd, const char *filename, bfd *member) |
252b5132 RH |
1318 | { |
1319 | struct stat status; | |
1320 | struct areltdata *ared; | |
1321 | struct ar_hdr *hdr; | |
1322 | char *temp, *temp1; | |
dc810e39 | 1323 | bfd_size_type amt; |
252b5132 RH |
1324 | |
1325 | if (member && (member->flags & BFD_IN_MEMORY) != 0) | |
1326 | { | |
047066e1 | 1327 | /* Assume we just "made" the member, and fake it. */ |
c58b9523 | 1328 | struct bfd_in_memory *bim = member->iostream; |
047066e1 KH |
1329 | time (&status.st_mtime); |
1330 | status.st_uid = getuid (); | |
1331 | status.st_gid = getgid (); | |
252b5132 RH |
1332 | status.st_mode = 0644; |
1333 | status.st_size = bim->size; | |
1334 | } | |
1335 | else if (stat (filename, &status) != 0) | |
1336 | { | |
1337 | bfd_set_error (bfd_error_system_call); | |
1338 | return NULL; | |
1339 | } | |
1340 | ||
dc810e39 | 1341 | amt = sizeof (struct ar_hdr) + sizeof (struct areltdata); |
c58b9523 | 1342 | ared = bfd_zalloc (abfd, amt); |
252b5132 RH |
1343 | if (ared == NULL) |
1344 | return NULL; | |
1345 | hdr = (struct ar_hdr *) (((char *) ared) + sizeof (struct areltdata)); | |
1346 | ||
047066e1 | 1347 | /* ar headers are space padded, not null padded! */ |
c58b9523 | 1348 | memset (hdr, ' ', sizeof (struct ar_hdr)); |
252b5132 RH |
1349 | |
1350 | strncpy (hdr->ar_fmag, ARFMAG, 2); | |
1351 | ||
047066e1 | 1352 | /* Goddamned sprintf doesn't permit MAXIMUM field lengths. */ |
252b5132 | 1353 | sprintf ((hdr->ar_date), "%-12ld", (long) status.st_mtime); |
23afc6f6 JL |
1354 | #ifdef HPUX_LARGE_AR_IDS |
1355 | /* HP has a very "special" way to handle UID/GID's with numeric values | |
1356 | > 99999. */ | |
1357 | if (status.st_uid > 99999) | |
1358 | hpux_uid_gid_encode (hdr->ar_gid, (long) status.st_uid); | |
1359 | else | |
1360 | #endif | |
1361 | sprintf ((hdr->ar_uid), "%ld", (long) status.st_uid); | |
1362 | #ifdef HPUX_LARGE_AR_IDS | |
1363 | /* HP has a very "special" way to handle UID/GID's with numeric values | |
1364 | > 99999. */ | |
1365 | if (status.st_gid > 99999) | |
1366 | hpux_uid_gid_encode (hdr->ar_uid, (long) status.st_gid); | |
1367 | else | |
1368 | #endif | |
252b5132 RH |
1369 | sprintf ((hdr->ar_gid), "%ld", (long) status.st_gid); |
1370 | sprintf ((hdr->ar_mode), "%-8o", (unsigned int) status.st_mode); | |
1371 | sprintf ((hdr->ar_size), "%-10ld", (long) status.st_size); | |
1372 | /* Correct for a lossage in sprintf whereby it null-terminates. I cannot | |
1373 | understand how these C losers could design such a ramshackle bunch of | |
047066e1 | 1374 | IO operations. */ |
252b5132 RH |
1375 | temp = (char *) hdr; |
1376 | temp1 = temp + sizeof (struct ar_hdr) - 2; | |
1377 | for (; temp < temp1; temp++) | |
1378 | { | |
1379 | if (*temp == '\0') | |
1380 | *temp = ' '; | |
1381 | } | |
1382 | strncpy (hdr->ar_fmag, ARFMAG, 2); | |
1383 | ared->parsed_size = status.st_size; | |
1384 | ared->arch_header = (char *) hdr; | |
1385 | ||
1386 | return ared; | |
1387 | } | |
1388 | ||
1389 | /* This is magic required by the "ar" program. Since it's | |
047066e1 KH |
1390 | undocumented, it's undocumented. You may think that it would take |
1391 | a strong stomach to write this, and it does, but it takes even a | |
1392 | stronger stomach to try to code around such a thing! */ | |
252b5132 | 1393 | |
c58b9523 | 1394 | struct ar_hdr *bfd_special_undocumented_glue (bfd *, const char *); |
252b5132 RH |
1395 | |
1396 | struct ar_hdr * | |
c58b9523 | 1397 | bfd_special_undocumented_glue (bfd *abfd, const char *filename) |
252b5132 RH |
1398 | { |
1399 | struct areltdata *ar_elt = bfd_ar_hdr_from_filesystem (abfd, filename, 0); | |
1400 | if (ar_elt == NULL) | |
1401 | return NULL; | |
1402 | return (struct ar_hdr *) ar_elt->arch_header; | |
1403 | } | |
1404 | ||
047066e1 KH |
1405 | /* Analogous to stat call. */ |
1406 | ||
252b5132 | 1407 | int |
c58b9523 | 1408 | bfd_generic_stat_arch_elt (bfd *abfd, struct stat *buf) |
252b5132 RH |
1409 | { |
1410 | struct ar_hdr *hdr; | |
1411 | char *aloser; | |
1412 | ||
1413 | if (abfd->arelt_data == NULL) | |
1414 | { | |
1415 | bfd_set_error (bfd_error_invalid_operation); | |
1416 | return -1; | |
1417 | } | |
1418 | ||
1419 | hdr = arch_hdr (abfd); | |
1420 | ||
047066e1 KH |
1421 | #define foo(arelt, stelt, size) \ |
1422 | buf->stelt = strtol (hdr->arelt, &aloser, size); \ | |
1423 | if (aloser == hdr->arelt) \ | |
1424 | return -1; | |
1425 | ||
23afc6f6 JL |
1426 | /* Some platforms support special notations for large IDs. */ |
1427 | #ifdef HPUX_LARGE_AR_IDS | |
047066e1 KH |
1428 | # define foo2(arelt, stelt, size) \ |
1429 | if (hdr->arelt[5] == ' ') \ | |
1430 | { \ | |
1431 | foo (arelt, stelt, size); \ | |
1432 | } \ | |
1433 | else \ | |
1434 | { \ | |
1435 | int cnt; \ | |
1436 | for (buf->stelt = cnt = 0; cnt < 5; ++cnt) \ | |
1437 | { \ | |
1438 | if (hdr->arelt[cnt] < ' ' || hdr->arelt[cnt] > ' ' + 0x3f) \ | |
1439 | return -1; \ | |
1440 | buf->stelt <<= 6; \ | |
1441 | buf->stelt += hdr->arelt[cnt] - ' '; \ | |
1442 | } \ | |
1443 | if (hdr->arelt[5] < '@' || hdr->arelt[5] > '@' + 3) \ | |
1444 | return -1; \ | |
1445 | buf->stelt <<= 2; \ | |
1446 | buf->stelt += hdr->arelt[5] - '@'; \ | |
1447 | } | |
23afc6f6 JL |
1448 | #else |
1449 | # define foo2(arelt, stelt, size) foo (arelt, stelt, size) | |
1450 | #endif | |
252b5132 RH |
1451 | |
1452 | foo (ar_date, st_mtime, 10); | |
23afc6f6 JL |
1453 | foo2 (ar_uid, st_uid, 10); |
1454 | foo2 (ar_gid, st_gid, 10); | |
252b5132 RH |
1455 | foo (ar_mode, st_mode, 8); |
1456 | ||
1457 | buf->st_size = arch_eltdata (abfd)->parsed_size; | |
1458 | ||
1459 | return 0; | |
1460 | } | |
1461 | ||
1462 | void | |
c58b9523 | 1463 | bfd_dont_truncate_arname (bfd *abfd, const char *pathname, char *arhdr) |
252b5132 RH |
1464 | { |
1465 | /* FIXME: This interacts unpleasantly with ar's quick-append option. | |
1466 | Fortunately ic960 users will never use that option. Fixing this | |
1467 | is very hard; fortunately I know how to do it and will do so once | |
d70910e8 | 1468 | intel's release is out the door. */ |
252b5132 RH |
1469 | |
1470 | struct ar_hdr *hdr = (struct ar_hdr *) arhdr; | |
1471 | size_t length; | |
1472 | const char *filename; | |
1473 | size_t maxlen = ar_maxnamelen (abfd); | |
1474 | ||
1475 | if ((bfd_get_file_flags (abfd) & BFD_TRADITIONAL_FORMAT) != 0) | |
1476 | { | |
1477 | bfd_bsd_truncate_arname (abfd, pathname, arhdr); | |
1478 | return; | |
1479 | } | |
1480 | ||
1481 | filename = normalize (abfd, pathname); | |
1482 | if (filename == NULL) | |
1483 | { | |
1484 | /* FIXME */ | |
1485 | abort (); | |
1486 | } | |
1487 | ||
1488 | length = strlen (filename); | |
1489 | ||
1490 | if (length <= maxlen) | |
1491 | memcpy (hdr->ar_name, filename, length); | |
1492 | ||
1493 | /* Add the padding character if there is room for it. */ | |
1494 | if (length < maxlen | |
1495 | || (length == maxlen && length < sizeof hdr->ar_name)) | |
1496 | (hdr->ar_name)[length] = ar_padchar (abfd); | |
1497 | } | |
1498 | ||
1499 | void | |
c58b9523 | 1500 | bfd_bsd_truncate_arname (bfd *abfd, const char *pathname, char *arhdr) |
252b5132 RH |
1501 | { |
1502 | struct ar_hdr *hdr = (struct ar_hdr *) arhdr; | |
dc810e39 AM |
1503 | size_t length; |
1504 | const char *filename = strrchr (pathname, '/'); | |
1505 | size_t maxlen = ar_maxnamelen (abfd); | |
252b5132 | 1506 | |
5af11cab AM |
1507 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
1508 | { | |
1509 | /* We could have foo/bar\\baz, or foo\\bar, or d:bar. */ | |
1510 | char *bslash = strrchr (pathname, '\\'); | |
2ab47eed | 1511 | if (filename == NULL || (bslash != NULL && bslash > filename)) |
5af11cab AM |
1512 | filename = bslash; |
1513 | if (filename == NULL && pathname[0] != '\0' && pathname[1] == ':') | |
1514 | filename = pathname + 1; | |
1515 | } | |
1516 | #endif | |
1517 | ||
252b5132 RH |
1518 | if (filename == NULL) |
1519 | filename = pathname; | |
1520 | else | |
1521 | ++filename; | |
1522 | ||
1523 | length = strlen (filename); | |
1524 | ||
1525 | if (length <= maxlen) | |
1526 | memcpy (hdr->ar_name, filename, length); | |
1527 | else | |
1528 | { | |
1529 | /* pathname: meet procrustes */ | |
1530 | memcpy (hdr->ar_name, filename, maxlen); | |
1531 | length = maxlen; | |
1532 | } | |
1533 | ||
1534 | if (length < maxlen) | |
1535 | (hdr->ar_name)[length] = ar_padchar (abfd); | |
1536 | } | |
1537 | ||
1538 | /* Store name into ar header. Truncates the name to fit. | |
1539 | 1> strip pathname to be just the basename. | |
1540 | 2> if it's short enuf to fit, stuff it in. | |
1541 | 3> If it doesn't end with .o, truncate it to fit | |
1542 | 4> truncate it before the .o, append .o, stuff THAT in. */ | |
1543 | ||
1544 | /* This is what gnu ar does. It's better but incompatible with the | |
d70910e8 | 1545 | bsd ar. */ |
252b5132 RH |
1546 | |
1547 | void | |
c58b9523 | 1548 | bfd_gnu_truncate_arname (bfd *abfd, const char *pathname, char *arhdr) |
252b5132 RH |
1549 | { |
1550 | struct ar_hdr *hdr = (struct ar_hdr *) arhdr; | |
dc810e39 AM |
1551 | size_t length; |
1552 | const char *filename = strrchr (pathname, '/'); | |
1553 | size_t maxlen = ar_maxnamelen (abfd); | |
252b5132 | 1554 | |
5af11cab AM |
1555 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
1556 | { | |
1557 | /* We could have foo/bar\\baz, or foo\\bar, or d:bar. */ | |
1558 | char *bslash = strrchr (pathname, '\\'); | |
2ab47eed | 1559 | if (filename == NULL || (bslash != NULL && bslash > filename)) |
5af11cab AM |
1560 | filename = bslash; |
1561 | if (filename == NULL && pathname[0] != '\0' && pathname[1] == ':') | |
1562 | filename = pathname + 1; | |
1563 | } | |
1564 | #endif | |
1565 | ||
252b5132 RH |
1566 | if (filename == NULL) |
1567 | filename = pathname; | |
1568 | else | |
1569 | ++filename; | |
1570 | ||
1571 | length = strlen (filename); | |
1572 | ||
1573 | if (length <= maxlen) | |
1574 | memcpy (hdr->ar_name, filename, length); | |
1575 | else | |
1576 | { /* pathname: meet procrustes */ | |
1577 | memcpy (hdr->ar_name, filename, maxlen); | |
1578 | if ((filename[length - 2] == '.') && (filename[length - 1] == 'o')) | |
1579 | { | |
1580 | hdr->ar_name[maxlen - 2] = '.'; | |
1581 | hdr->ar_name[maxlen - 1] = 'o'; | |
1582 | } | |
1583 | length = maxlen; | |
1584 | } | |
1585 | ||
1586 | if (length < 16) | |
1587 | (hdr->ar_name)[length] = ar_padchar (abfd); | |
1588 | } | |
1589 | \f | |
047066e1 | 1590 | /* The BFD is open for write and has its format set to bfd_archive. */ |
252b5132 | 1591 | |
b34976b6 | 1592 | bfd_boolean |
c58b9523 | 1593 | _bfd_write_archive_contents (bfd *arch) |
252b5132 RH |
1594 | { |
1595 | bfd *current; | |
1596 | char *etable = NULL; | |
1597 | bfd_size_type elength = 0; | |
1598 | const char *ename = NULL; | |
b34976b6 AM |
1599 | bfd_boolean makemap = bfd_has_map (arch); |
1600 | /* If no .o's, don't bother to make a map. */ | |
1601 | bfd_boolean hasobjects = FALSE; | |
252b5132 RH |
1602 | bfd_size_type wrote; |
1603 | unsigned int i; | |
1604 | int tries; | |
1605 | ||
1606 | /* Verify the viability of all entries; if any of them live in the | |
1607 | filesystem (as opposed to living in an archive open for input) | |
1608 | then construct a fresh ar_hdr for them. */ | |
1609 | for (current = arch->archive_head; current; current = current->next) | |
1610 | { | |
8000a618 DD |
1611 | /* This check is checking the bfds for the objects we're reading |
1612 | from (which are usually either an object file or archive on | |
1613 | disk), not the archive entries we're writing to. We don't | |
1614 | actually create bfds for the archive members, we just copy | |
1615 | them byte-wise when we write out the archive. */ | |
252b5132 RH |
1616 | if (bfd_write_p (current)) |
1617 | { | |
1618 | bfd_set_error (bfd_error_invalid_operation); | |
b34976b6 | 1619 | return FALSE; |
252b5132 RH |
1620 | } |
1621 | if (!current->arelt_data) | |
1622 | { | |
1623 | current->arelt_data = | |
c58b9523 | 1624 | bfd_ar_hdr_from_filesystem (arch, current->filename, current); |
252b5132 | 1625 | if (!current->arelt_data) |
b34976b6 | 1626 | return FALSE; |
252b5132 | 1627 | |
047066e1 | 1628 | /* Put in the file name. */ |
c58b9523 AM |
1629 | BFD_SEND (arch, _bfd_truncate_arname, |
1630 | (arch, current->filename, (char *) arch_hdr (current))); | |
252b5132 RH |
1631 | } |
1632 | ||
1633 | if (makemap && ! hasobjects) | |
047066e1 | 1634 | { /* Don't bother if we won't make a map! */ |
0e71e495 | 1635 | if ((bfd_check_format (current, bfd_object))) |
b34976b6 | 1636 | hasobjects = TRUE; |
252b5132 RH |
1637 | } |
1638 | } | |
1639 | ||
1640 | if (!BFD_SEND (arch, _bfd_construct_extended_name_table, | |
1641 | (arch, &etable, &elength, &ename))) | |
b34976b6 | 1642 | return FALSE; |
252b5132 RH |
1643 | |
1644 | if (bfd_seek (arch, (file_ptr) 0, SEEK_SET) != 0) | |
b34976b6 | 1645 | return FALSE; |
c58b9523 | 1646 | wrote = bfd_bwrite (ARMAG, SARMAG, arch); |
252b5132 | 1647 | if (wrote != SARMAG) |
b34976b6 | 1648 | return FALSE; |
252b5132 RH |
1649 | |
1650 | if (makemap && hasobjects) | |
1651 | { | |
82e51918 | 1652 | if (! _bfd_compute_and_write_armap (arch, (unsigned int) elength)) |
b34976b6 | 1653 | return FALSE; |
252b5132 RH |
1654 | } |
1655 | ||
1656 | if (elength != 0) | |
1657 | { | |
1658 | struct ar_hdr hdr; | |
1659 | ||
c58b9523 | 1660 | memset (&hdr, 0, sizeof (struct ar_hdr)); |
252b5132 RH |
1661 | strcpy (hdr.ar_name, ename); |
1662 | /* Round size up to even number in archive header. */ | |
1663 | sprintf (&(hdr.ar_size[0]), "%-10d", | |
dc810e39 | 1664 | (int) ((elength + 1) & ~(bfd_size_type) 1)); |
252b5132 RH |
1665 | strncpy (hdr.ar_fmag, ARFMAG, 2); |
1666 | for (i = 0; i < sizeof (struct ar_hdr); i++) | |
1667 | if (((char *) (&hdr))[i] == '\0') | |
1668 | (((char *) (&hdr))[i]) = ' '; | |
c58b9523 | 1669 | if ((bfd_bwrite (&hdr, sizeof (struct ar_hdr), arch) |
252b5132 | 1670 | != sizeof (struct ar_hdr)) |
dc810e39 | 1671 | || bfd_bwrite (etable, elength, arch) != elength) |
b34976b6 | 1672 | return FALSE; |
252b5132 RH |
1673 | if ((elength % 2) == 1) |
1674 | { | |
c58b9523 | 1675 | if (bfd_bwrite ("\012", 1, arch) != 1) |
b34976b6 | 1676 | return FALSE; |
252b5132 RH |
1677 | } |
1678 | } | |
1679 | ||
1680 | for (current = arch->archive_head; current; current = current->next) | |
1681 | { | |
1682 | char buffer[DEFAULT_BUFFERSIZE]; | |
1683 | unsigned int remaining = arelt_size (current); | |
1684 | struct ar_hdr *hdr = arch_hdr (current); | |
1685 | ||
047066e1 | 1686 | /* Write ar header. */ |
c58b9523 | 1687 | if (bfd_bwrite (hdr, sizeof (*hdr), arch) |
dc810e39 | 1688 | != sizeof (*hdr)) |
b34976b6 | 1689 | return FALSE; |
252b5132 | 1690 | if (bfd_seek (current, (file_ptr) 0, SEEK_SET) != 0) |
b34976b6 | 1691 | return FALSE; |
252b5132 RH |
1692 | while (remaining) |
1693 | { | |
1694 | unsigned int amt = DEFAULT_BUFFERSIZE; | |
1695 | if (amt > remaining) | |
1696 | amt = remaining; | |
1697 | errno = 0; | |
c58b9523 | 1698 | if (bfd_bread (buffer, amt, current) != amt) |
252b5132 RH |
1699 | { |
1700 | if (bfd_get_error () != bfd_error_system_call) | |
1701 | bfd_set_error (bfd_error_malformed_archive); | |
b34976b6 | 1702 | return FALSE; |
252b5132 | 1703 | } |
c58b9523 | 1704 | if (bfd_bwrite (buffer, amt, arch) != amt) |
b34976b6 | 1705 | return FALSE; |
252b5132 RH |
1706 | remaining -= amt; |
1707 | } | |
1708 | if ((arelt_size (current) % 2) == 1) | |
1709 | { | |
c58b9523 | 1710 | if (bfd_bwrite ("\012", 1, arch) != 1) |
b34976b6 | 1711 | return FALSE; |
252b5132 RH |
1712 | } |
1713 | } | |
1714 | ||
1715 | if (makemap && hasobjects) | |
1716 | { | |
1717 | /* Verify the timestamp in the archive file. If it would not be | |
1718 | accepted by the linker, rewrite it until it would be. If | |
1719 | anything odd happens, break out and just return. (The | |
1720 | Berkeley linker checks the timestamp and refuses to read the | |
1721 | table-of-contents if it is >60 seconds less than the file's | |
1722 | modified-time. That painful hack requires this painful hack. */ | |
1723 | tries = 1; | |
1724 | do | |
1725 | { | |
1726 | if (bfd_update_armap_timestamp (arch)) | |
1727 | break; | |
1728 | (*_bfd_error_handler) | |
1729 | (_("Warning: writing archive was slow: rewriting timestamp\n")); | |
1730 | } | |
1731 | while (++tries < 6); | |
1732 | } | |
1733 | ||
b34976b6 | 1734 | return TRUE; |
252b5132 RH |
1735 | } |
1736 | \f | |
047066e1 | 1737 | /* Note that the namidx for the first symbol is 0. */ |
252b5132 | 1738 | |
b34976b6 | 1739 | bfd_boolean |
c58b9523 | 1740 | _bfd_compute_and_write_armap (bfd *arch, unsigned int elength) |
252b5132 RH |
1741 | { |
1742 | char *first_name = NULL; | |
1743 | bfd *current; | |
1744 | file_ptr elt_no = 0; | |
1745 | struct orl *map = NULL; | |
06fc8a8c | 1746 | unsigned int orl_max = 1024; /* Fine initial default. */ |
dc810e39 | 1747 | unsigned int orl_count = 0; |
06fc8a8c | 1748 | int stridx = 0; |
252b5132 RH |
1749 | asymbol **syms = NULL; |
1750 | long syms_max = 0; | |
b34976b6 | 1751 | bfd_boolean ret; |
dc810e39 | 1752 | bfd_size_type amt; |
252b5132 | 1753 | |
d70910e8 | 1754 | /* Dunno if this is the best place for this info... */ |
252b5132 RH |
1755 | if (elength != 0) |
1756 | elength += sizeof (struct ar_hdr); | |
1757 | elength += elength % 2; | |
1758 | ||
c58b9523 AM |
1759 | amt = orl_max * sizeof (struct orl); |
1760 | map = bfd_malloc (amt); | |
252b5132 RH |
1761 | if (map == NULL) |
1762 | goto error_return; | |
1763 | ||
1764 | /* We put the symbol names on the arch objalloc, and then discard | |
1765 | them when done. */ | |
c58b9523 | 1766 | first_name = bfd_alloc (arch, 1); |
252b5132 RH |
1767 | if (first_name == NULL) |
1768 | goto error_return; | |
1769 | ||
047066e1 | 1770 | /* Drop all the files called __.SYMDEF, we're going to make our own. */ |
252b5132 RH |
1771 | while (arch->archive_head && |
1772 | strcmp (arch->archive_head->filename, "__.SYMDEF") == 0) | |
1773 | arch->archive_head = arch->archive_head->next; | |
1774 | ||
047066e1 | 1775 | /* Map over each element. */ |
252b5132 | 1776 | for (current = arch->archive_head; |
c58b9523 | 1777 | current != NULL; |
252b5132 RH |
1778 | current = current->next, elt_no++) |
1779 | { | |
82e51918 AM |
1780 | if (bfd_check_format (current, bfd_object) |
1781 | && (bfd_get_file_flags (current) & HAS_SYMS) != 0) | |
252b5132 RH |
1782 | { |
1783 | long storage; | |
1784 | long symcount; | |
1785 | long src_count; | |
1786 | ||
1787 | storage = bfd_get_symtab_upper_bound (current); | |
1788 | if (storage < 0) | |
1789 | goto error_return; | |
1790 | ||
1791 | if (storage != 0) | |
1792 | { | |
1793 | if (storage > syms_max) | |
1794 | { | |
1795 | if (syms_max > 0) | |
1796 | free (syms); | |
1797 | syms_max = storage; | |
c58b9523 | 1798 | syms = bfd_malloc (syms_max); |
252b5132 RH |
1799 | if (syms == NULL) |
1800 | goto error_return; | |
1801 | } | |
1802 | symcount = bfd_canonicalize_symtab (current, syms); | |
1803 | if (symcount < 0) | |
1804 | goto error_return; | |
1805 | ||
047066e1 KH |
1806 | /* Now map over all the symbols, picking out the ones we |
1807 | want. */ | |
252b5132 RH |
1808 | for (src_count = 0; src_count < symcount; src_count++) |
1809 | { | |
1810 | flagword flags = (syms[src_count])->flags; | |
1811 | asection *sec = syms[src_count]->section; | |
1812 | ||
77fb9c28 NC |
1813 | if ((flags & BSF_GLOBAL || |
1814 | flags & BSF_WEAK || | |
1815 | flags & BSF_INDIRECT || | |
1816 | bfd_is_com_section (sec)) | |
1817 | && ! bfd_is_und_section (sec)) | |
252b5132 | 1818 | { |
dc810e39 | 1819 | bfd_size_type namelen; |
77fb9c28 NC |
1820 | struct orl *new_map; |
1821 | ||
047066e1 | 1822 | /* This symbol will go into the archive header. */ |
252b5132 RH |
1823 | if (orl_count == orl_max) |
1824 | { | |
1825 | orl_max *= 2; | |
c58b9523 AM |
1826 | amt = orl_max * sizeof (struct orl); |
1827 | new_map = bfd_realloc (map, amt); | |
1828 | if (new_map == NULL) | |
252b5132 RH |
1829 | goto error_return; |
1830 | ||
1831 | map = new_map; | |
1832 | } | |
1833 | ||
1834 | namelen = strlen (syms[src_count]->name); | |
dc810e39 | 1835 | amt = sizeof (char *); |
c58b9523 | 1836 | map[orl_count].name = bfd_alloc (arch, amt); |
252b5132 RH |
1837 | if (map[orl_count].name == NULL) |
1838 | goto error_return; | |
1839 | *(map[orl_count].name) = bfd_alloc (arch, namelen + 1); | |
1840 | if (*(map[orl_count].name) == NULL) | |
1841 | goto error_return; | |
1842 | strcpy (*(map[orl_count].name), syms[src_count]->name); | |
dc810e39 AM |
1843 | map[orl_count].u.abfd = current; |
1844 | map[orl_count].namidx = stridx; | |
252b5132 RH |
1845 | |
1846 | stridx += namelen + 1; | |
1847 | ++orl_count; | |
77fb9c28 | 1848 | } |
252b5132 RH |
1849 | } |
1850 | } | |
1851 | ||
1852 | /* Now ask the BFD to free up any cached information, so we | |
1853 | don't fill all of memory with symbol tables. */ | |
1854 | if (! bfd_free_cached_info (current)) | |
1855 | goto error_return; | |
1856 | } | |
1857 | } | |
1858 | ||
047066e1 | 1859 | /* OK, now we have collected all the data, let's write them out. */ |
252b5132 RH |
1860 | ret = BFD_SEND (arch, write_armap, |
1861 | (arch, elength, map, orl_count, stridx)); | |
1862 | ||
1863 | if (syms_max > 0) | |
1864 | free (syms); | |
1865 | if (map != NULL) | |
1866 | free (map); | |
1867 | if (first_name != NULL) | |
1868 | bfd_release (arch, first_name); | |
1869 | ||
1870 | return ret; | |
1871 | ||
1872 | error_return: | |
1873 | if (syms_max > 0) | |
1874 | free (syms); | |
1875 | if (map != NULL) | |
1876 | free (map); | |
1877 | if (first_name != NULL) | |
1878 | bfd_release (arch, first_name); | |
1879 | ||
b34976b6 | 1880 | return FALSE; |
252b5132 RH |
1881 | } |
1882 | ||
b34976b6 | 1883 | bfd_boolean |
c58b9523 AM |
1884 | bsd_write_armap (bfd *arch, |
1885 | unsigned int elength, | |
1886 | struct orl *map, | |
1887 | unsigned int orl_count, | |
1888 | int stridx) | |
252b5132 RH |
1889 | { |
1890 | int padit = stridx & 1; | |
1891 | unsigned int ranlibsize = orl_count * BSD_SYMDEF_SIZE; | |
1892 | unsigned int stringsize = stridx + padit; | |
d70910e8 | 1893 | /* Include 8 bytes to store ranlibsize and stringsize in output. */ |
252b5132 RH |
1894 | unsigned int mapsize = ranlibsize + stringsize + 8; |
1895 | file_ptr firstreal; | |
1896 | bfd *current = arch->archive_head; | |
06fc8a8c | 1897 | bfd *last_elt = current; /* Last element arch seen. */ |
252b5132 RH |
1898 | bfd_byte temp[4]; |
1899 | unsigned int count; | |
1900 | struct ar_hdr hdr; | |
1901 | struct stat statbuf; | |
1902 | unsigned int i; | |
1903 | ||
1904 | firstreal = mapsize + elength + sizeof (struct ar_hdr) + SARMAG; | |
1905 | ||
1906 | stat (arch->filename, &statbuf); | |
c58b9523 | 1907 | memset (&hdr, 0, sizeof (struct ar_hdr)); |
252b5132 RH |
1908 | sprintf (hdr.ar_name, RANLIBMAG); |
1909 | /* Remember the timestamp, to keep it holy. But fudge it a little. */ | |
1910 | bfd_ardata (arch)->armap_timestamp = statbuf.st_mtime + ARMAP_TIME_OFFSET; | |
1911 | bfd_ardata (arch)->armap_datepos = (SARMAG | |
1912 | + offsetof (struct ar_hdr, ar_date[0])); | |
1913 | sprintf (hdr.ar_date, "%ld", bfd_ardata (arch)->armap_timestamp); | |
252b5132 RH |
1914 | sprintf (hdr.ar_uid, "%ld", (long) getuid ()); |
1915 | sprintf (hdr.ar_gid, "%ld", (long) getgid ()); | |
252b5132 RH |
1916 | sprintf (hdr.ar_size, "%-10d", (int) mapsize); |
1917 | strncpy (hdr.ar_fmag, ARFMAG, 2); | |
1918 | for (i = 0; i < sizeof (struct ar_hdr); i++) | |
1919 | if (((char *) (&hdr))[i] == '\0') | |
1920 | (((char *) (&hdr))[i]) = ' '; | |
c58b9523 | 1921 | if (bfd_bwrite (&hdr, sizeof (struct ar_hdr), arch) |
252b5132 | 1922 | != sizeof (struct ar_hdr)) |
b34976b6 | 1923 | return FALSE; |
dc810e39 | 1924 | H_PUT_32 (arch, ranlibsize, temp); |
c58b9523 | 1925 | if (bfd_bwrite (temp, sizeof (temp), arch) != sizeof (temp)) |
b34976b6 | 1926 | return FALSE; |
252b5132 RH |
1927 | |
1928 | for (count = 0; count < orl_count; count++) | |
1929 | { | |
1930 | bfd_byte buf[BSD_SYMDEF_SIZE]; | |
1931 | ||
dc810e39 | 1932 | if (map[count].u.abfd != last_elt) |
252b5132 RH |
1933 | { |
1934 | do | |
1935 | { | |
1936 | firstreal += arelt_size (current) + sizeof (struct ar_hdr); | |
1937 | firstreal += firstreal % 2; | |
1938 | current = current->next; | |
1939 | } | |
dc810e39 | 1940 | while (current != map[count].u.abfd); |
06fc8a8c | 1941 | } |
252b5132 RH |
1942 | |
1943 | last_elt = current; | |
dc810e39 AM |
1944 | H_PUT_32 (arch, map[count].namidx, buf); |
1945 | H_PUT_32 (arch, firstreal, buf + BSD_SYMDEF_OFFSET_SIZE); | |
c58b9523 | 1946 | if (bfd_bwrite (buf, BSD_SYMDEF_SIZE, arch) |
dc810e39 | 1947 | != BSD_SYMDEF_SIZE) |
b34976b6 | 1948 | return FALSE; |
252b5132 RH |
1949 | } |
1950 | ||
047066e1 | 1951 | /* Now write the strings themselves. */ |
dc810e39 | 1952 | H_PUT_32 (arch, stringsize, temp); |
c58b9523 | 1953 | if (bfd_bwrite (temp, sizeof (temp), arch) != sizeof (temp)) |
b34976b6 | 1954 | return FALSE; |
252b5132 RH |
1955 | for (count = 0; count < orl_count; count++) |
1956 | { | |
1957 | size_t len = strlen (*map[count].name) + 1; | |
1958 | ||
c58b9523 | 1959 | if (bfd_bwrite (*map[count].name, len, arch) != len) |
b34976b6 | 1960 | return FALSE; |
252b5132 RH |
1961 | } |
1962 | ||
1963 | /* The spec sez this should be a newline. But in order to be | |
d70910e8 | 1964 | bug-compatible for sun's ar we use a null. */ |
252b5132 RH |
1965 | if (padit) |
1966 | { | |
c58b9523 | 1967 | if (bfd_bwrite ("", 1, arch) != 1) |
b34976b6 | 1968 | return FALSE; |
252b5132 RH |
1969 | } |
1970 | ||
b34976b6 | 1971 | return TRUE; |
252b5132 RH |
1972 | } |
1973 | ||
1974 | /* At the end of archive file handling, update the timestamp in the | |
1975 | file, so the linker will accept it. | |
1976 | ||
b34976b6 AM |
1977 | Return TRUE if the timestamp was OK, or an unusual problem happened. |
1978 | Return FALSE if we updated the timestamp. */ | |
252b5132 | 1979 | |
b34976b6 | 1980 | bfd_boolean |
c58b9523 | 1981 | _bfd_archive_bsd_update_armap_timestamp (bfd *arch) |
252b5132 RH |
1982 | { |
1983 | struct stat archstat; | |
1984 | struct ar_hdr hdr; | |
1985 | unsigned int i; | |
1986 | ||
1987 | /* Flush writes, get last-write timestamp from file, and compare it | |
1988 | to the timestamp IN the file. */ | |
1989 | bfd_flush (arch); | |
1990 | if (bfd_stat (arch, &archstat) == -1) | |
1991 | { | |
5fe39cae | 1992 | bfd_perror (_("Reading archive file mod timestamp")); |
047066e1 KH |
1993 | |
1994 | /* Can't read mod time for some reason. */ | |
b34976b6 | 1995 | return TRUE; |
252b5132 RH |
1996 | } |
1997 | if (archstat.st_mtime <= bfd_ardata (arch)->armap_timestamp) | |
047066e1 | 1998 | /* OK by the linker's rules. */ |
b34976b6 | 1999 | return TRUE; |
252b5132 RH |
2000 | |
2001 | /* Update the timestamp. */ | |
2002 | bfd_ardata (arch)->armap_timestamp = archstat.st_mtime + ARMAP_TIME_OFFSET; | |
2003 | ||
2004 | /* Prepare an ASCII version suitable for writing. */ | |
2005 | memset (hdr.ar_date, 0, sizeof (hdr.ar_date)); | |
2006 | sprintf (hdr.ar_date, "%ld", bfd_ardata (arch)->armap_timestamp); | |
2007 | for (i = 0; i < sizeof (hdr.ar_date); i++) | |
2008 | if (hdr.ar_date[i] == '\0') | |
2009 | (hdr.ar_date)[i] = ' '; | |
2010 | ||
2011 | /* Write it into the file. */ | |
2012 | bfd_ardata (arch)->armap_datepos = (SARMAG | |
2013 | + offsetof (struct ar_hdr, ar_date[0])); | |
2014 | if (bfd_seek (arch, bfd_ardata (arch)->armap_datepos, SEEK_SET) != 0 | |
c58b9523 | 2015 | || (bfd_bwrite (hdr.ar_date, sizeof (hdr.ar_date), arch) |
252b5132 RH |
2016 | != sizeof (hdr.ar_date))) |
2017 | { | |
5fe39cae | 2018 | bfd_perror (_("Writing updated armap timestamp")); |
047066e1 KH |
2019 | |
2020 | /* Some error while writing. */ | |
b34976b6 | 2021 | return TRUE; |
252b5132 RH |
2022 | } |
2023 | ||
047066e1 | 2024 | /* We updated the timestamp successfully. */ |
b34976b6 | 2025 | return FALSE; |
252b5132 RH |
2026 | } |
2027 | \f | |
2028 | /* A coff armap looks like : | |
2029 | lARMAG | |
2030 | struct ar_hdr with name = '/' | |
2031 | number of symbols | |
2032 | offset of file for symbol 0 | |
2033 | offset of file for symbol 1 | |
2034 | ||
2035 | offset of file for symbol n-1 | |
2036 | symbol name 0 | |
2037 | symbol name 1 | |
2038 | ||
06fc8a8c | 2039 | symbol name n-1 */ |
252b5132 | 2040 | |
b34976b6 | 2041 | bfd_boolean |
c58b9523 AM |
2042 | coff_write_armap (bfd *arch, |
2043 | unsigned int elength, | |
2044 | struct orl *map, | |
2045 | unsigned int symbol_count, | |
2046 | int stridx) | |
252b5132 RH |
2047 | { |
2048 | /* The size of the ranlib is the number of exported symbols in the | |
08da05b0 | 2049 | archive * the number of bytes in an int, + an int for the count. */ |
252b5132 RH |
2050 | unsigned int ranlibsize = (symbol_count * 4) + 4; |
2051 | unsigned int stringsize = stridx; | |
2052 | unsigned int mapsize = stringsize + ranlibsize; | |
dc810e39 | 2053 | unsigned int archive_member_file_ptr; |
252b5132 RH |
2054 | bfd *current = arch->archive_head; |
2055 | unsigned int count; | |
2056 | struct ar_hdr hdr; | |
2057 | unsigned int i; | |
2058 | int padit = mapsize & 1; | |
2059 | ||
2060 | if (padit) | |
2061 | mapsize++; | |
2062 | ||
047066e1 | 2063 | /* Work out where the first object file will go in the archive. */ |
252b5132 RH |
2064 | archive_member_file_ptr = (mapsize |
2065 | + elength | |
2066 | + sizeof (struct ar_hdr) | |
2067 | + SARMAG); | |
2068 | ||
c58b9523 | 2069 | memset (&hdr, 0, sizeof (struct ar_hdr)); |
252b5132 RH |
2070 | hdr.ar_name[0] = '/'; |
2071 | sprintf (hdr.ar_size, "%-10d", (int) mapsize); | |
2072 | sprintf (hdr.ar_date, "%ld", (long) time (NULL)); | |
047066e1 | 2073 | /* This, at least, is what Intel coff sets the values to. */ |
252b5132 RH |
2074 | sprintf ((hdr.ar_uid), "%d", 0); |
2075 | sprintf ((hdr.ar_gid), "%d", 0); | |
2076 | sprintf ((hdr.ar_mode), "%-7o", (unsigned) 0); | |
2077 | strncpy (hdr.ar_fmag, ARFMAG, 2); | |
2078 | ||
2079 | for (i = 0; i < sizeof (struct ar_hdr); i++) | |
2080 | if (((char *) (&hdr))[i] == '\0') | |
2081 | (((char *) (&hdr))[i]) = ' '; | |
2082 | ||
047066e1 | 2083 | /* Write the ar header for this item and the number of symbols. */ |
c58b9523 | 2084 | if (bfd_bwrite (&hdr, sizeof (struct ar_hdr), arch) |
252b5132 | 2085 | != sizeof (struct ar_hdr)) |
b34976b6 | 2086 | return FALSE; |
252b5132 | 2087 | |
4dae1ae7 | 2088 | if (!bfd_write_bigendian_4byte_int (arch, symbol_count)) |
b34976b6 | 2089 | return FALSE; |
252b5132 RH |
2090 | |
2091 | /* Two passes, first write the file offsets for each symbol - | |
2092 | remembering that each offset is on a two byte boundary. */ | |
2093 | ||
2094 | /* Write out the file offset for the file associated with each | |
2095 | symbol, and remember to keep the offsets padded out. */ | |
2096 | ||
2097 | current = arch->archive_head; | |
2098 | count = 0; | |
c58b9523 | 2099 | while (current != NULL && count < symbol_count) |
252b5132 | 2100 | { |
047066e1 KH |
2101 | /* For each symbol which is used defined in this object, write |
2102 | out the object file's address in the archive. */ | |
252b5132 | 2103 | |
dc810e39 | 2104 | while (count < symbol_count && map[count].u.abfd == current) |
252b5132 | 2105 | { |
4dae1ae7 | 2106 | if (!bfd_write_bigendian_4byte_int (arch, archive_member_file_ptr)) |
b34976b6 | 2107 | return FALSE; |
252b5132 RH |
2108 | count++; |
2109 | } | |
047066e1 | 2110 | /* Add size of this archive entry. */ |
c58b9523 | 2111 | archive_member_file_ptr += arelt_size (current) + sizeof (struct ar_hdr); |
047066e1 | 2112 | /* Remember aboout the even alignment. */ |
252b5132 RH |
2113 | archive_member_file_ptr += archive_member_file_ptr % 2; |
2114 | current = current->next; | |
2115 | } | |
2116 | ||
047066e1 | 2117 | /* Now write the strings themselves. */ |
252b5132 RH |
2118 | for (count = 0; count < symbol_count; count++) |
2119 | { | |
2120 | size_t len = strlen (*map[count].name) + 1; | |
2121 | ||
c58b9523 | 2122 | if (bfd_bwrite (*map[count].name, len, arch) != len) |
b34976b6 | 2123 | return FALSE; |
252b5132 RH |
2124 | } |
2125 | ||
2126 | /* The spec sez this should be a newline. But in order to be | |
d70910e8 | 2127 | bug-compatible for arc960 we use a null. */ |
252b5132 RH |
2128 | if (padit) |
2129 | { | |
c58b9523 | 2130 | if (bfd_bwrite ("", 1, arch) != 1) |
b34976b6 | 2131 | return FALSE; |
252b5132 RH |
2132 | } |
2133 | ||
b34976b6 | 2134 | return TRUE; |
252b5132 | 2135 | } |