1 /* BFD back-end for archive files (libraries).
2 Copyright (C) 1990-2015 Free Software Foundation, Inc.
3 Written by Cygnus Support. Mostly Gumby Henkel-Wallace's fault.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
22 @setfilename archive-info
27 An archive (or library) is just another BFD. It has a symbol
28 table, although there's not much a user program will do with it.
30 The big difference between an archive BFD and an ordinary BFD
31 is that the archive doesn't have sections. Instead it has a
32 chain of BFDs that are considered its contents. These BFDs can
33 be manipulated like any other. The BFDs contained in an
34 archive opened for reading will all be opened for reading. You
35 may put either input or output BFDs into an archive opened for
36 output; they will be handled correctly when the archive is closed.
38 Use <<bfd_openr_next_archived_file>> to step through
39 the contents of an archive opened for input. You don't
40 have to read the entire archive if you don't want
41 to! Read it until you find what you want.
43 A BFD returned by <<bfd_openr_next_archived_file>> can be
44 closed manually with <<bfd_close>>. If you do not close it,
45 then a second iteration through the members of an archive may
46 return the same BFD. If you close the archive BFD, then all
47 the member BFDs will automatically be closed as well.
49 Archive contents of output BFDs are chained through the
50 <<archive_next>> pointer in a BFD. The first one is findable
51 through the <<archive_head>> slot of the archive. Set it with
52 <<bfd_set_archive_head>> (q.v.). A given BFD may be in only
53 one open output archive at a time.
55 As expected, the BFD archive code is more general than the
56 archive code of any given environment. BFD archives may
57 contain files of different formats (e.g., a.out and coff) and
58 even different architectures. You may even place archives
59 recursively into archives!
61 This can cause unexpected confusion, since some archive
62 formats are more expressive than others. For instance, Intel
63 COFF archives can preserve long filenames; SunOS a.out archives
64 cannot. If you move a file from the first to the second
65 format and back again, the filename may be truncated.
66 Likewise, different a.out environments have different
67 conventions as to how they truncate filenames, whether they
68 preserve directory names in filenames, etc. When
69 interoperating with native tools, be sure your files are
72 Beware: most of these formats do not react well to the
73 presence of spaces in filenames. We do the best we can, but
74 can't always handle this case due to restrictions in the format of
75 archives. Many Unix utilities are braindead in regards to
76 spaces and such in filenames anyway, so this shouldn't be much
79 Archives are supported in BFD in <<archive.c>>.
86 o - all archive elements start on an even boundary, newline padded;
87 o - all arch headers are char *;
88 o - all arch headers are the same size (across architectures).
91 /* Some formats provide a way to cram a long filename into the short
92 (16 chars) space provided by a BSD archive. The trick is: make a
93 special "file" in the front of the archive, sort of like the SYMDEF
94 entry. If the filename is too long to fit, put it in the extended
95 name table, and use its index as the filename. To prevent
96 confusion prepend the index with a space. This means you can't
97 have filenames that start with a space, but then again, many Unix
98 utilities can't handle that anyway.
100 This scheme unfortunately requires that you stand on your head in
101 order to write an archive since you need to put a magic file at the
102 front, and need to touch every entry to do so. C'est la vie.
104 We support two variants of this idea:
105 The SVR4 format (extended name table is named "//"),
106 and an extended pseudo-BSD variant (extended name table is named
107 "ARFILENAMES/"). The origin of the latter format is uncertain.
109 BSD 4.4 uses a third scheme: It writes a long filename
110 directly after the header. This allows 'ar q' to work.
113 /* Summary of archive member names:
115 Symbol table (must be first):
116 "__.SYMDEF " - Symbol table, Berkeley style, produced by ranlib.
117 "/ " - Symbol table, system 5 style.
119 Long name table (must be before regular file members):
120 "// " - Long name table, System 5 R4 style.
121 "ARFILENAMES/ " - Long name table, non-standard extended BSD (not BSD 4.4).
123 Regular file members with short names:
124 "filename.o/ " - Regular file, System 5 style (embedded spaces ok).
125 "filename.o " - Regular file, Berkeley style (no embedded spaces).
127 Regular files with long names (or embedded spaces, for BSD variants):
128 "/18 " - SVR4 style, name at offset 18 in name table.
129 "#1/23 " - Long name (or embedded spaces) 23 characters long,
130 BSD 4.4 style, full name follows header.
131 " 18 " - Long name 18 characters long, extended pseudo-BSD.
136 #include "libiberty.h"
139 #include "aout/ranlib.h"
140 #include "safe-ctype.h"
142 #include "filenames.h"
149 /* We keep a cache of archive filepointers to archive elements to
150 speed up searching the archive by filepos. We only add an entry to
151 the cache when we actually read one. We also don't sort the cache;
152 it's generally short enough to search linearly.
153 Note that the pointers here point to the front of the ar_hdr, not
154 to the front of the contents! */
161 #define ar_padchar(abfd) ((abfd)->xvec->ar_pad_char)
162 #define ar_maxnamelen(abfd) ((abfd)->xvec->ar_max_namelen)
164 #define arch_eltdata(bfd) ((struct areltdata *) ((bfd)->arelt_data))
165 #define arch_hdr(bfd) ((struct ar_hdr *) arch_eltdata (bfd)->arch_header)
167 /* True iff NAME designated a BSD 4.4 extended name. */
169 #define is_bsd44_extended_name(NAME) \
170 (NAME[0] == '#' && NAME[1] == '1' && NAME[2] == '/' && ISDIGIT (NAME[3]))
173 _bfd_ar_spacepad (char *p, size_t n, const char *fmt, long val)
178 snprintf (buf, sizeof (buf), fmt, val);
182 memcpy (p, buf, len);
183 memset (p + len, ' ', n - len);
190 _bfd_ar_sizepad (char *p, size_t n, bfd_size_type size)
195 snprintf (buf, sizeof (buf), "%-10" BFD_VMA_FMT "u", size);
199 bfd_set_error (bfd_error_file_too_big);
204 memcpy (p, buf, len);
205 memset (p + len, ' ', n - len);
213 _bfd_generic_mkarchive (bfd *abfd)
215 bfd_size_type amt = sizeof (struct artdata);
217 abfd->tdata.aout_ar_data = (struct artdata *) bfd_zalloc (abfd, amt);
218 if (bfd_ardata (abfd) == NULL)
221 /* Already cleared by bfd_zalloc above.
222 bfd_ardata (abfd)->cache = NULL;
223 bfd_ardata (abfd)->archive_head = NULL;
224 bfd_ardata (abfd)->symdefs = NULL;
225 bfd_ardata (abfd)->extended_names = NULL;
226 bfd_ardata (abfd)->extended_names_size = 0;
227 bfd_ardata (abfd)->tdata = NULL; */
237 symindex bfd_get_next_mapent
238 (bfd *abfd, symindex previous, carsym **sym);
241 Step through archive @var{abfd}'s symbol table (if it
242 has one). Successively update @var{sym} with the next symbol's
243 information, returning that symbol's (internal) index into the
246 Supply <<BFD_NO_MORE_SYMBOLS>> as the @var{previous} entry to get
247 the first one; returns <<BFD_NO_MORE_SYMBOLS>> when you've already
250 A <<carsym>> is a canonical archive symbol. The only
251 user-visible element is its name, a null-terminated string.
255 bfd_get_next_mapent (bfd *abfd, symindex prev, carsym **entry)
257 if (!bfd_has_map (abfd))
259 bfd_set_error (bfd_error_invalid_operation);
260 return BFD_NO_MORE_SYMBOLS;
263 if (prev == BFD_NO_MORE_SYMBOLS)
267 if (prev >= bfd_ardata (abfd)->symdef_count)
268 return BFD_NO_MORE_SYMBOLS;
270 *entry = (bfd_ardata (abfd)->symdefs + prev);
274 /* To be called by backends only. */
277 _bfd_create_empty_archive_element_shell (bfd *obfd)
279 return _bfd_new_bfd_contained_in (obfd);
287 bfd_boolean bfd_set_archive_head (bfd *output, bfd *new_head);
290 Set the head of the chain of
291 BFDs contained in the archive @var{output} to @var{new_head}.
295 bfd_set_archive_head (bfd *output_archive, bfd *new_head)
297 output_archive->archive_head = new_head;
302 _bfd_look_for_bfd_in_cache (bfd *arch_bfd, file_ptr filepos)
304 htab_t hash_table = bfd_ardata (arch_bfd)->cache;
311 struct ar_cache *entry = (struct ar_cache *) htab_find (hash_table, &m);
322 hash_file_ptr (const void * p)
324 return (hashval_t) (((struct ar_cache *) p)->ptr);
327 /* Returns non-zero if P1 and P2 are equal. */
330 eq_file_ptr (const void * p1, const void * p2)
332 struct ar_cache *arc1 = (struct ar_cache *) p1;
333 struct ar_cache *arc2 = (struct ar_cache *) p2;
334 return arc1->ptr == arc2->ptr;
337 /* The calloc function doesn't always take size_t (e.g. on VMS)
338 so wrap it to avoid a compile time warning. */
341 _bfd_calloc_wrapper (size_t a, size_t b)
343 return calloc (a, b);
346 /* Kind of stupid to call cons for each one, but we don't do too many. */
349 _bfd_add_bfd_to_archive_cache (bfd *arch_bfd, file_ptr filepos, bfd *new_elt)
351 struct ar_cache *cache;
352 htab_t hash_table = bfd_ardata (arch_bfd)->cache;
354 /* If the hash table hasn't been created, create it. */
355 if (hash_table == NULL)
357 hash_table = htab_create_alloc (16, hash_file_ptr, eq_file_ptr,
358 NULL, _bfd_calloc_wrapper, free);
359 if (hash_table == NULL)
361 bfd_ardata (arch_bfd)->cache = hash_table;
364 /* Insert new_elt into the hash table by filepos. */
365 cache = (struct ar_cache *) bfd_zalloc (arch_bfd, sizeof (struct ar_cache));
366 cache->ptr = filepos;
367 cache->arbfd = new_elt;
368 *htab_find_slot (hash_table, (const void *) cache, INSERT) = cache;
370 /* Provide a means of accessing this from child. */
371 arch_eltdata (new_elt)->parent_cache = hash_table;
372 arch_eltdata (new_elt)->key = filepos;
378 _bfd_find_nested_archive (bfd *arch_bfd, const char *filename)
383 /* PR 15140: Don't allow a nested archive pointing to itself. */
384 if (filename_cmp (filename, arch_bfd->filename) == 0)
386 bfd_set_error (bfd_error_malformed_archive);
390 for (abfd = arch_bfd->nested_archives;
392 abfd = abfd->archive_next)
394 if (filename_cmp (filename, abfd->filename) == 0)
398 if (!arch_bfd->target_defaulted)
399 target = arch_bfd->xvec->name;
400 abfd = bfd_openr (filename, target);
403 abfd->archive_next = arch_bfd->nested_archives;
404 arch_bfd->nested_archives = abfd;
409 /* The name begins with space. Hence the rest of the name is an index into
413 get_extended_arelt_filename (bfd *arch, const char *name, file_ptr *originp)
415 unsigned long table_index = 0;
418 /* Should extract string so that I can guarantee not to overflow into
419 the next region, but I'm too lazy. */
421 /* Skip first char, which is '/' in SVR4 or ' ' in some other variants. */
422 table_index = strtol (name + 1, (char **) &endp, 10);
423 if (errno != 0 || table_index >= bfd_ardata (arch)->extended_names_size)
425 bfd_set_error (bfd_error_malformed_archive);
428 /* In a thin archive, a member of an archive-within-an-archive
429 will have the offset in the inner archive encoded here. */
430 if (bfd_is_thin_archive (arch) && endp != NULL && *endp == ':')
432 file_ptr origin = strtol (endp + 1, NULL, 10);
436 bfd_set_error (bfd_error_malformed_archive);
444 return bfd_ardata (arch)->extended_names + table_index;
447 /* This functions reads an arch header and returns an areltdata pointer, or
450 Presumes the file pointer is already in the right place (ie pointing
451 to the ar_hdr in the file). Moves the file pointer; on success it
452 should be pointing to the front of the file contents; on failure it
453 could have been moved arbitrarily. */
456 _bfd_generic_read_ar_hdr (bfd *abfd)
458 return _bfd_generic_read_ar_hdr_mag (abfd, NULL);
461 /* Alpha ECOFF uses an optional different ARFMAG value, so we have a
462 variant of _bfd_generic_read_ar_hdr which accepts a magic string. */
465 _bfd_generic_read_ar_hdr_mag (bfd *abfd, const char *mag)
468 char *hdrp = (char *) &hdr;
469 bfd_size_type parsed_size;
470 struct areltdata *ared;
471 char *filename = NULL;
472 bfd_size_type namelen = 0;
473 bfd_size_type allocsize = sizeof (struct areltdata) + sizeof (struct ar_hdr);
476 unsigned int extra_size = 0;
480 if (bfd_bread (hdrp, sizeof (struct ar_hdr), abfd) != sizeof (struct ar_hdr))
482 if (bfd_get_error () != bfd_error_system_call)
483 bfd_set_error (bfd_error_no_more_archived_files);
486 if (strncmp (hdr.ar_fmag, ARFMAG, 2) != 0
488 || strncmp (hdr.ar_fmag, mag, 2) != 0))
490 bfd_set_error (bfd_error_malformed_archive);
495 fmag_save = hdr.ar_fmag[0];
497 scan = sscanf (hdr.ar_size, "%" BFD_VMA_FMT "u", &parsed_size);
498 hdr.ar_fmag[0] = fmag_save;
501 bfd_set_error (bfd_error_malformed_archive);
505 /* Extract the filename from the archive - there are two ways to
506 specify an extended name table, either the first char of the
507 name is a space, or it's a slash. */
508 if ((hdr.ar_name[0] == '/'
509 || (hdr.ar_name[0] == ' '
510 && memchr (hdr.ar_name, '/', ar_maxnamelen (abfd)) == NULL))
511 && bfd_ardata (abfd)->extended_names != NULL)
513 filename = get_extended_arelt_filename (abfd, hdr.ar_name, &origin);
514 if (filename == NULL)
517 /* BSD4.4-style long filename. */
518 else if (is_bsd44_extended_name (hdr.ar_name))
520 /* BSD-4.4 extended name */
521 namelen = atoi (&hdr.ar_name[3]);
522 allocsize += namelen + 1;
523 parsed_size -= namelen;
524 extra_size = namelen;
526 allocptr = (char *) bfd_zmalloc (allocsize);
527 if (allocptr == NULL)
530 + sizeof (struct areltdata)
531 + sizeof (struct ar_hdr));
532 if (bfd_bread (filename, namelen, abfd) != namelen)
535 if (bfd_get_error () != bfd_error_system_call)
536 bfd_set_error (bfd_error_no_more_archived_files);
539 filename[namelen] = '\0';
543 /* We judge the end of the name by looking for '/' or ' '.
544 Note: The SYSV format (terminated by '/') allows embedded
545 spaces, so only look for ' ' if we don't find '/'. */
548 e = (char *) memchr (hdr.ar_name, '\0', ar_maxnamelen (abfd));
551 e = (char *) memchr (hdr.ar_name, '/', ar_maxnamelen (abfd));
553 e = (char *) memchr (hdr.ar_name, ' ', ar_maxnamelen (abfd));
557 namelen = e - hdr.ar_name;
560 /* If we didn't find a termination character, then the name
561 must be the entire field. */
562 namelen = ar_maxnamelen (abfd);
565 allocsize += namelen + 1;
570 allocptr = (char *) bfd_zmalloc (allocsize);
571 if (allocptr == NULL)
575 ared = (struct areltdata *) allocptr;
577 ared->arch_header = allocptr + sizeof (struct areltdata);
578 memcpy (ared->arch_header, &hdr, sizeof (struct ar_hdr));
579 ared->parsed_size = parsed_size;
580 ared->extra_size = extra_size;
581 ared->origin = origin;
583 if (filename != NULL)
584 ared->filename = filename;
587 ared->filename = allocptr + (sizeof (struct areltdata) +
588 sizeof (struct ar_hdr));
590 memcpy (ared->filename, hdr.ar_name, namelen);
591 ared->filename[namelen] = '\0';
597 /* Append the relative pathname for a member of the thin archive
598 to the pathname of the directory containing the archive. */
601 _bfd_append_relative_path (bfd *arch, char *elt_name)
603 const char *arch_name = arch->filename;
604 const char *base_name = lbasename (arch_name);
608 if (base_name == arch_name)
611 prefix_len = base_name - arch_name;
612 filename = (char *) bfd_alloc (arch, prefix_len + strlen (elt_name) + 1);
613 if (filename == NULL)
616 strncpy (filename, arch_name, prefix_len);
617 strcpy (filename + prefix_len, elt_name);
621 /* This is an internal function; it's mainly used when indexing
622 through the archive symbol table, but also used to get the next
623 element, since it handles the bookkeeping so nicely for us. */
626 _bfd_get_elt_at_filepos (bfd *archive, file_ptr filepos)
628 struct areltdata *new_areldata;
632 n_nfd = _bfd_look_for_bfd_in_cache (archive, filepos);
636 if (0 > bfd_seek (archive, filepos, SEEK_SET))
639 if ((new_areldata = (struct areltdata *) _bfd_read_ar_hdr (archive)) == NULL)
642 filename = new_areldata->filename;
644 if (bfd_is_thin_archive (archive))
648 /* This is a proxy entry for an external file. */
649 if (! IS_ABSOLUTE_PATH (filename))
651 filename = _bfd_append_relative_path (archive, filename);
652 if (filename == NULL)
659 if (new_areldata->origin > 0)
661 /* This proxy entry refers to an element of a nested archive.
662 Locate the member of that archive and return a bfd for it. */
663 bfd *ext_arch = _bfd_find_nested_archive (archive, filename);
666 || ! bfd_check_format (ext_arch, bfd_archive))
671 n_nfd = _bfd_get_elt_at_filepos (ext_arch, new_areldata->origin);
677 n_nfd->proxy_origin = bfd_tell (archive);
680 /* It's not an element of a nested archive;
681 open the external file as a bfd. */
683 if (!archive->target_defaulted)
684 target = archive->xvec->name;
685 n_nfd = bfd_openr (filename, target);
687 bfd_set_error (bfd_error_malformed_archive);
691 n_nfd = _bfd_create_empty_archive_element_shell (archive);
700 n_nfd->proxy_origin = bfd_tell (archive);
702 if (bfd_is_thin_archive (archive))
708 n_nfd->origin = n_nfd->proxy_origin;
709 n_nfd->filename = xstrdup (filename);
712 n_nfd->arelt_data = new_areldata;
714 /* Copy BFD_COMPRESS and BFD_DECOMPRESS flags. */
715 n_nfd->flags |= archive->flags & (BFD_COMPRESS | BFD_DECOMPRESS);
717 if (_bfd_add_bfd_to_archive_cache (archive, filepos, n_nfd))
721 n_nfd->arelt_data = NULL;
725 /* Return the BFD which is referenced by the symbol in ABFD indexed by
726 SYM_INDEX. SYM_INDEX should have been returned by bfd_get_next_mapent. */
729 _bfd_generic_get_elt_at_index (bfd *abfd, symindex sym_index)
733 entry = bfd_ardata (abfd)->symdefs + sym_index;
734 return _bfd_get_elt_at_filepos (abfd, entry->file_offset);
739 bfd_openr_next_archived_file
742 bfd *bfd_openr_next_archived_file (bfd *archive, bfd *previous);
745 Provided a BFD, @var{archive}, containing an archive and NULL, open
746 an input BFD on the first contained element and returns that.
747 Subsequent calls should pass
748 the archive and the previous return value to return a created
749 BFD to the next contained element. NULL is returned when there
754 bfd_openr_next_archived_file (bfd *archive, bfd *last_file)
756 if ((bfd_get_format (archive) != bfd_archive)
757 || (archive->direction == write_direction))
759 bfd_set_error (bfd_error_invalid_operation);
763 return BFD_SEND (archive,
764 openr_next_archived_file, (archive, last_file));
768 bfd_generic_openr_next_archived_file (bfd *archive, bfd *last_file)
773 filestart = bfd_ardata (archive)->first_file_filepos;
776 bfd_size_type size = arelt_size (last_file);
778 filestart = last_file->proxy_origin;
779 if (! bfd_is_thin_archive (archive))
781 /* Pad to an even boundary...
782 Note that last_file->origin can be odd in the case of
783 BSD-4.4-style element with a long odd size. */
784 filestart += filestart % 2;
787 return _bfd_get_elt_at_filepos (archive, filestart);
791 bfd_generic_archive_p (bfd *abfd)
793 struct artdata *tdata_hold;
794 char armag[SARMAG + 1];
797 if (bfd_bread (armag, SARMAG, abfd) != SARMAG)
799 if (bfd_get_error () != bfd_error_system_call)
800 bfd_set_error (bfd_error_wrong_format);
804 bfd_is_thin_archive (abfd) = (strncmp (armag, ARMAGT, SARMAG) == 0);
806 if (strncmp (armag, ARMAG, SARMAG) != 0
807 && strncmp (armag, ARMAGB, SARMAG) != 0
808 && ! bfd_is_thin_archive (abfd))
811 tdata_hold = bfd_ardata (abfd);
813 amt = sizeof (struct artdata);
814 bfd_ardata (abfd) = (struct artdata *) bfd_zalloc (abfd, amt);
815 if (bfd_ardata (abfd) == NULL)
817 bfd_ardata (abfd) = tdata_hold;
821 bfd_ardata (abfd)->first_file_filepos = SARMAG;
822 /* Cleared by bfd_zalloc above.
823 bfd_ardata (abfd)->cache = NULL;
824 bfd_ardata (abfd)->archive_head = NULL;
825 bfd_ardata (abfd)->symdefs = NULL;
826 bfd_ardata (abfd)->extended_names = NULL;
827 bfd_ardata (abfd)->extended_names_size = 0;
828 bfd_ardata (abfd)->tdata = NULL; */
830 if (!BFD_SEND (abfd, _bfd_slurp_armap, (abfd))
831 || !BFD_SEND (abfd, _bfd_slurp_extended_name_table, (abfd)))
833 if (bfd_get_error () != bfd_error_system_call)
834 bfd_set_error (bfd_error_wrong_format);
835 bfd_release (abfd, bfd_ardata (abfd));
836 bfd_ardata (abfd) = tdata_hold;
840 if (abfd->target_defaulted && bfd_has_map (abfd))
844 /* This archive has a map, so we may presume that the contents
845 are object files. Make sure that if the first file in the
846 archive can be recognized as an object file, it is for this
847 target. If not, assume that this is the wrong format. If
848 the first file is not an object file, somebody is doing
849 something weird, and we permit it so that ar -t will work.
851 This is done because any normal format will recognize any
852 normal archive, regardless of the format of the object files.
853 We do accept an empty archive. */
855 first = bfd_openr_next_archived_file (abfd, NULL);
858 first->target_defaulted = FALSE;
859 if (bfd_check_format (first, bfd_object)
860 && first->xvec != abfd->xvec)
861 bfd_set_error (bfd_error_wrong_object_format);
862 /* And we ought to close `first' here too. */
869 /* Some constants for a 32 bit BSD archive structure. We do not
870 support 64 bit archives presently; so far as I know, none actually
871 exist. Supporting them would require changing these constants, and
872 changing some H_GET_32 to H_GET_64. */
874 /* The size of an external symdef structure. */
875 #define BSD_SYMDEF_SIZE 8
877 /* The offset from the start of a symdef structure to the file offset. */
878 #define BSD_SYMDEF_OFFSET_SIZE 4
880 /* The size of the symdef count. */
881 #define BSD_SYMDEF_COUNT_SIZE 4
883 /* The size of the string count. */
884 #define BSD_STRING_COUNT_SIZE 4
886 /* Read a BSD-style archive symbol table. Returns FALSE on error,
890 do_slurp_bsd_armap (bfd *abfd)
892 struct areltdata *mapdata;
893 unsigned int counter;
894 bfd_byte *raw_armap, *rbase;
895 struct artdata *ardata = bfd_ardata (abfd);
897 bfd_size_type parsed_size, amt;
900 mapdata = (struct areltdata *) _bfd_read_ar_hdr (abfd);
903 parsed_size = mapdata->parsed_size;
905 /* PR 17512: file: 883ff754. */
906 if (parsed_size == 0)
909 raw_armap = (bfd_byte *) bfd_zalloc (abfd, parsed_size);
910 if (raw_armap == NULL)
913 if (bfd_bread (raw_armap, parsed_size, abfd) != parsed_size)
915 if (bfd_get_error () != bfd_error_system_call)
916 bfd_set_error (bfd_error_malformed_archive);
918 bfd_release (abfd, raw_armap);
922 ardata->symdef_count = H_GET_32 (abfd, raw_armap) / BSD_SYMDEF_SIZE;
923 if (ardata->symdef_count * BSD_SYMDEF_SIZE >
924 parsed_size - BSD_SYMDEF_COUNT_SIZE)
926 /* Probably we're using the wrong byte ordering. */
927 bfd_set_error (bfd_error_wrong_format);
932 rbase = raw_armap + BSD_SYMDEF_COUNT_SIZE;
933 stringbase = ((char *) rbase
934 + ardata->symdef_count * BSD_SYMDEF_SIZE
935 + BSD_STRING_COUNT_SIZE);
936 amt = ardata->symdef_count * sizeof (carsym);
937 ardata->symdefs = (struct carsym *) bfd_alloc (abfd, amt);
938 if (!ardata->symdefs)
941 for (counter = 0, set = ardata->symdefs;
942 counter < ardata->symdef_count;
943 counter++, set++, rbase += BSD_SYMDEF_SIZE)
945 set->name = H_GET_32 (abfd, rbase) + stringbase;
946 set->file_offset = H_GET_32 (abfd, rbase + BSD_SYMDEF_OFFSET_SIZE);
949 ardata->first_file_filepos = bfd_tell (abfd);
950 /* Pad to an even boundary if you have to. */
951 ardata->first_file_filepos += (ardata->first_file_filepos) % 2;
952 /* FIXME, we should provide some way to free raw_ardata when
953 we are done using the strings from it. For now, it seems
954 to be allocated on an objalloc anyway... */
955 bfd_has_map (abfd) = TRUE;
959 /* Read a COFF archive symbol table. Returns FALSE on error, TRUE
963 do_slurp_coff_armap (bfd *abfd)
965 struct areltdata *mapdata;
966 int *raw_armap, *rawptr;
967 struct artdata *ardata = bfd_ardata (abfd);
969 bfd_size_type stringsize;
970 bfd_size_type parsed_size;
972 bfd_size_type nsymz; /* Number of symbols in armap. */
973 bfd_vma (*swap) (const void *);
974 char int_buf[sizeof (long)];
975 bfd_size_type carsym_size, ptrsize;
978 mapdata = (struct areltdata *) _bfd_read_ar_hdr (abfd);
981 parsed_size = mapdata->parsed_size;
984 if (bfd_bread (int_buf, 4, abfd) != 4)
986 if (bfd_get_error () != bfd_error_system_call)
987 bfd_set_error (bfd_error_malformed_archive);
990 /* It seems that all numeric information in a coff archive is always
991 in big endian format, nomatter the host or target. */
993 nsymz = bfd_getb32 (int_buf);
994 stringsize = parsed_size - (4 * nsymz) - 4;
996 /* ... except that some archive formats are broken, and it may be our
997 fault - the i960 little endian coff sometimes has big and sometimes
998 little, because our tools changed. Here's a horrible hack to clean
1001 if (stringsize > 0xfffff
1002 && bfd_get_arch (abfd) == bfd_arch_i960
1003 && bfd_get_flavour (abfd) == bfd_target_coff_flavour)
1005 /* This looks dangerous, let's do it the other way around. */
1006 nsymz = bfd_getl32 (int_buf);
1007 stringsize = parsed_size - (4 * nsymz) - 4;
1011 /* The coff armap must be read sequentially. So we construct a
1012 bsd-style one in core all at once, for simplicity. */
1014 if (nsymz > ~ (bfd_size_type) 0 / sizeof (carsym))
1017 carsym_size = (nsymz * sizeof (carsym));
1018 ptrsize = (4 * nsymz);
1020 if (carsym_size + stringsize + 1 <= carsym_size)
1023 ardata->symdefs = (struct carsym *) bfd_zalloc (abfd,
1024 carsym_size + stringsize + 1);
1025 if (ardata->symdefs == NULL)
1027 carsyms = ardata->symdefs;
1028 stringbase = ((char *) ardata->symdefs) + carsym_size;
1030 /* Allocate and read in the raw offsets. */
1031 raw_armap = (int *) bfd_alloc (abfd, ptrsize);
1032 if (raw_armap == NULL)
1033 goto release_symdefs;
1034 if (bfd_bread (raw_armap, ptrsize, abfd) != ptrsize
1035 || (bfd_bread (stringbase, stringsize, abfd) != stringsize))
1037 if (bfd_get_error () != bfd_error_system_call)
1038 bfd_set_error (bfd_error_malformed_archive);
1039 goto release_raw_armap;
1042 /* OK, build the carsyms. */
1043 for (i = 0; i < nsymz && stringsize > 0; i++)
1047 rawptr = raw_armap + i;
1048 carsyms->file_offset = swap ((bfd_byte *) rawptr);
1049 carsyms->name = stringbase;
1050 /* PR 17512: file: 4a1d50c1. */
1051 len = strnlen (stringbase, stringsize);
1052 if (len < stringsize)
1060 ardata->symdef_count = nsymz;
1061 ardata->first_file_filepos = bfd_tell (abfd);
1062 /* Pad to an even boundary if you have to. */
1063 ardata->first_file_filepos += (ardata->first_file_filepos) % 2;
1065 bfd_has_map (abfd) = TRUE;
1066 bfd_release (abfd, raw_armap);
1068 /* Check for a second archive header (as used by PE). */
1070 struct areltdata *tmp;
1072 bfd_seek (abfd, ardata->first_file_filepos, SEEK_SET);
1073 tmp = (struct areltdata *) _bfd_read_ar_hdr (abfd);
1076 if (tmp->arch_header[0] == '/'
1077 && tmp->arch_header[1] == ' ')
1079 ardata->first_file_filepos +=
1080 (tmp->parsed_size + sizeof (struct ar_hdr) + 1) & ~(unsigned) 1;
1089 bfd_release (abfd, raw_armap);
1091 bfd_release (abfd, (ardata)->symdefs);
1095 /* This routine can handle either coff-style or bsd-style armaps
1096 (archive symbol table). Returns FALSE on error, TRUE otherwise */
1099 bfd_slurp_armap (bfd *abfd)
1102 int i = bfd_bread (nextname, 16, abfd);
1109 if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0)
1112 if (CONST_STRNEQ (nextname, "__.SYMDEF ")
1113 || CONST_STRNEQ (nextname, "__.SYMDEF/ ")) /* Old Linux archives. */
1114 return do_slurp_bsd_armap (abfd);
1115 else if (CONST_STRNEQ (nextname, "/ "))
1116 return do_slurp_coff_armap (abfd);
1117 else if (CONST_STRNEQ (nextname, "/SYM64/ "))
1119 /* 64bit ELF (Irix 6) archive. */
1121 extern bfd_boolean bfd_elf64_archive_slurp_armap (bfd *);
1122 return bfd_elf64_archive_slurp_armap (abfd);
1124 bfd_set_error (bfd_error_wrong_format);
1128 else if (CONST_STRNEQ (nextname, "#1/20 "))
1130 /* Mach-O has a special name for armap when the map is sorted by name.
1131 However because this name has a space it is slightly more difficult
1136 if (bfd_bread (&hdr, sizeof (hdr), abfd) != sizeof (hdr))
1138 /* Read the extended name. We know its length. */
1139 if (bfd_bread (extname, 20, abfd) != 20)
1141 if (bfd_seek (abfd, -(file_ptr) (sizeof (hdr) + 20), SEEK_CUR) != 0)
1144 if (CONST_STRNEQ (extname, "__.SYMDEF SORTED")
1145 || CONST_STRNEQ (extname, "__.SYMDEF"))
1146 return do_slurp_bsd_armap (abfd);
1149 bfd_has_map (abfd) = FALSE;
1153 /* Returns FALSE on error, TRUE otherwise. */
1154 /* Flavor 2 of a bsd armap, similar to bfd_slurp_bsd_armap except the
1155 header is in a slightly different order and the map name is '/'.
1156 This flavour is used by hp300hpux. */
1158 #define HPUX_SYMDEF_COUNT_SIZE 2
1161 bfd_slurp_bsd_armap_f2 (bfd *abfd)
1163 struct areltdata *mapdata;
1165 unsigned int counter;
1166 bfd_byte *raw_armap, *rbase;
1167 struct artdata *ardata = bfd_ardata (abfd);
1169 unsigned int stringsize;
1173 int i = bfd_bread (nextname, 16, abfd);
1180 /* The archive has at least 16 bytes in it. */
1181 if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0)
1184 if (CONST_STRNEQ (nextname, "__.SYMDEF ")
1185 || CONST_STRNEQ (nextname, "__.SYMDEF/ ")) /* Old Linux archives. */
1186 return do_slurp_bsd_armap (abfd);
1188 if (! CONST_STRNEQ (nextname, "/ "))
1190 bfd_has_map (abfd) = FALSE;
1194 mapdata = (struct areltdata *) _bfd_read_ar_hdr (abfd);
1195 if (mapdata == NULL)
1198 if (mapdata->parsed_size < HPUX_SYMDEF_COUNT_SIZE + BSD_STRING_COUNT_SIZE)
1202 bfd_set_error (bfd_error_wrong_format);
1206 left = mapdata->parsed_size - HPUX_SYMDEF_COUNT_SIZE - BSD_STRING_COUNT_SIZE;
1208 amt = mapdata->parsed_size;
1211 raw_armap = (bfd_byte *) bfd_zalloc (abfd, amt);
1212 if (raw_armap == NULL)
1215 if (bfd_bread (raw_armap, amt, abfd) != amt)
1217 if (bfd_get_error () != bfd_error_system_call)
1218 bfd_set_error (bfd_error_malformed_archive);
1222 ardata->symdef_count = H_GET_16 (abfd, raw_armap);
1226 stringsize = H_GET_32 (abfd, raw_armap + HPUX_SYMDEF_COUNT_SIZE);
1227 if (stringsize > left)
1231 /* Skip sym count and string sz. */
1232 stringbase = ((char *) raw_armap
1233 + HPUX_SYMDEF_COUNT_SIZE
1234 + BSD_STRING_COUNT_SIZE);
1235 rbase = (bfd_byte *) stringbase + stringsize;
1236 amt = ardata->symdef_count * BSD_SYMDEF_SIZE;
1240 ardata->symdefs = (struct carsym *) bfd_alloc (abfd, amt);
1241 if (!ardata->symdefs)
1244 for (counter = 0, set = ardata->symdefs;
1245 counter < ardata->symdef_count;
1246 counter++, set++, rbase += BSD_SYMDEF_SIZE)
1248 set->name = H_GET_32 (abfd, rbase) + stringbase;
1249 set->file_offset = H_GET_32 (abfd, rbase + BSD_SYMDEF_OFFSET_SIZE);
1252 ardata->first_file_filepos = bfd_tell (abfd);
1253 /* Pad to an even boundary if you have to. */
1254 ardata->first_file_filepos += (ardata->first_file_filepos) % 2;
1255 /* FIXME, we should provide some way to free raw_ardata when
1256 we are done using the strings from it. For now, it seems
1257 to be allocated on an objalloc anyway... */
1258 bfd_has_map (abfd) = TRUE;
1262 /** Extended name table.
1264 Normally archives support only 14-character filenames.
1266 Intel has extended the format: longer names are stored in a special
1267 element (the first in the archive, or second if there is an armap);
1268 the name in the ar_hdr is replaced by <space><index into filename
1269 element>. Index is the P.R. of an int (decimal). Data General have
1270 extended the format by using the prefix // for the special element. */
1272 /* Returns FALSE on error, TRUE otherwise. */
1275 _bfd_slurp_extended_name_table (bfd *abfd)
1278 struct areltdata *namedata;
1281 /* FIXME: Formatting sucks here, and in case of failure of BFD_READ,
1282 we probably don't want to return TRUE. */
1283 if (bfd_seek (abfd, bfd_ardata (abfd)->first_file_filepos, SEEK_SET) != 0)
1286 if (bfd_bread (nextname, 16, abfd) == 16)
1288 if (bfd_seek (abfd, (file_ptr) -16, SEEK_CUR) != 0)
1291 if (! CONST_STRNEQ (nextname, "ARFILENAMES/ ")
1292 && ! CONST_STRNEQ (nextname, "// "))
1294 bfd_ardata (abfd)->extended_names = NULL;
1295 bfd_ardata (abfd)->extended_names_size = 0;
1299 namedata = (struct areltdata *) _bfd_read_ar_hdr (abfd);
1300 if (namedata == NULL)
1303 amt = namedata->parsed_size;
1307 bfd_ardata (abfd)->extended_names_size = amt;
1308 bfd_ardata (abfd)->extended_names = (char *) bfd_zalloc (abfd, amt + 1);
1309 if (bfd_ardata (abfd)->extended_names == NULL)
1313 bfd_ardata (abfd)->extended_names = NULL;
1314 bfd_ardata (abfd)->extended_names_size = 0;
1318 if (bfd_bread (bfd_ardata (abfd)->extended_names, amt, abfd) != amt)
1320 if (bfd_get_error () != bfd_error_system_call)
1321 bfd_set_error (bfd_error_malformed_archive);
1322 bfd_release (abfd, (bfd_ardata (abfd)->extended_names));
1323 bfd_ardata (abfd)->extended_names = NULL;
1327 /* Since the archive is supposed to be printable if it contains
1328 text, the entries in the list are newline-padded, not null
1329 padded. In SVR4-style archives, the names also have a
1330 trailing '/'. DOS/NT created archive often have \ in them
1331 We'll fix all problems here. */
1333 char *ext_names = bfd_ardata (abfd)->extended_names;
1334 char *temp = ext_names;
1335 char *limit = temp + namedata->parsed_size;
1337 for (; temp < limit; ++temp)
1339 if (*temp == ARFMAG[1])
1340 temp[temp > ext_names && temp[-1] == '/' ? -1 : 0] = '\0';
1347 /* Pad to an even boundary if you have to. */
1348 bfd_ardata (abfd)->first_file_filepos = bfd_tell (abfd);
1349 bfd_ardata (abfd)->first_file_filepos +=
1350 (bfd_ardata (abfd)->first_file_filepos) % 2;
1359 /* Return a copy of the stuff in the filename between any :]> and a
1363 normalize (bfd *abfd, const char *file)
1369 first = file + strlen (file) - 1;
1372 while (first != file)
1376 if (*first == ':' || *first == ']' || *first == '>')
1384 copy = bfd_alloc (abfd, last - first + 1);
1388 memcpy (copy, first, last - first);
1389 copy[last - first] = 0;
1396 normalize (bfd *abfd ATTRIBUTE_UNUSED, const char *file)
1398 return lbasename (file);
1402 /* Adjust a relative path name based on the reference path.
1405 Relative path Reference path Result
1406 ------------- -------------- ------
1408 foo/bar.o lib.a foo/bar.o
1409 bar.o foo/lib.a ../bar.o
1410 foo/bar.o baz/lib.a ../foo/bar.o
1411 bar.o ../lib.a <parent of current dir>/bar.o
1412 ; ../bar.o ../lib.a bar.o
1413 ; ../bar.o lib.a ../bar.o
1414 foo/bar.o ../lib.a <parent of current dir>/foo/bar.o
1415 bar.o ../../lib.a <grandparent>/<parent>/bar.o
1416 bar.o foo/baz/lib.a ../../bar.o
1418 Note - the semicolons above are there to prevent the BFD chew
1419 utility from interpreting those lines as prototypes to put into
1420 the autogenerated bfd.h header...
1422 Note - the string is returned in a static buffer. */
1425 adjust_relative_path (const char * path, const char * ref_path)
1427 static char *pathbuf = NULL;
1428 static unsigned int pathbuf_len = 0;
1434 unsigned int dir_up = 0;
1435 unsigned int dir_down = 0;
1437 char * pwd = getpwd ();
1440 /* Remove symlinks, '.' and '..' from the paths, if possible. */
1441 lpath = lrealpath (path);
1442 pathp = lpath == NULL ? path : lpath;
1444 rpath = lrealpath (ref_path);
1445 refp = rpath == NULL ? ref_path : rpath;
1447 /* Remove common leading path elements. */
1450 const char *e1 = pathp;
1451 const char *e2 = refp;
1453 while (*e1 && ! IS_DIR_SEPARATOR (*e1))
1455 while (*e2 && ! IS_DIR_SEPARATOR (*e2))
1457 if (*e1 == '\0' || *e2 == '\0' || e1 - pathp != e2 - refp
1458 || filename_ncmp (pathp, refp, e1 - pathp) != 0)
1464 len = strlen (pathp) + 1;
1465 /* For each leading path element in the reference path,
1466 insert "../" into the path. */
1467 for (; *refp; ++refp)
1468 if (IS_DIR_SEPARATOR (*refp))
1470 /* PR 12710: If the path element is "../" then instead of
1471 inserting "../" we need to insert the name of the directory
1472 at the current level. */
1473 if (refp > ref_path + 1
1481 /* If the lrealpath calls above succeeded then we should never
1482 see dir_up and dir_down both being non-zero. */
1488 down = pwd + strlen (pwd) - 1;
1490 while (dir_down && down > pwd)
1492 if (IS_DIR_SEPARATOR (*down))
1495 BFD_ASSERT (dir_down == 0);
1496 len += strlen (down) + 1;
1501 if (len > pathbuf_len)
1503 if (pathbuf != NULL)
1506 pathbuf = (char *) bfd_malloc (len);
1507 if (pathbuf == NULL)
1513 while (dir_up-- > 0)
1515 /* FIXME: Support Windows style path separators as well. */
1516 strcpy (newp, "../");
1521 sprintf (newp, "%s/%s", down, pathp);
1523 strcpy (newp, pathp);
1531 /* Build a BFD style extended name table. */
1534 _bfd_archive_bsd_construct_extended_name_table (bfd *abfd,
1536 bfd_size_type *tablen,
1539 *name = "ARFILENAMES/";
1540 return _bfd_construct_extended_name_table (abfd, FALSE, tabloc, tablen);
1543 /* Build an SVR4 style extended name table. */
1546 _bfd_archive_coff_construct_extended_name_table (bfd *abfd,
1548 bfd_size_type *tablen,
1552 return _bfd_construct_extended_name_table (abfd, TRUE, tabloc, tablen);
1555 /* Follows archive_head and produces an extended name table if
1556 necessary. Returns (in tabloc) a pointer to an extended name
1557 table, and in tablen the length of the table. If it makes an entry
1558 it clobbers the filename so that the element may be written without
1559 further massage. Returns TRUE if it ran successfully, FALSE if
1560 something went wrong. A successful return may still involve a
1561 zero-length tablen! */
1564 _bfd_construct_extended_name_table (bfd *abfd,
1565 bfd_boolean trailing_slash,
1567 bfd_size_type *tablen)
1569 unsigned int maxname = ar_maxnamelen (abfd);
1570 bfd_size_type total_namelen = 0;
1573 const char *last_filename;
1577 last_filename = NULL;
1579 /* Figure out how long the table should be. */
1580 for (current = abfd->archive_head;
1582 current = current->archive_next)
1585 unsigned int thislen;
1587 if (bfd_is_thin_archive (abfd))
1589 const char *filename = current->filename;
1591 /* If the element being added is a member of another archive
1592 (i.e., we are flattening), use the containing archive's name. */
1593 if (current->my_archive
1594 && ! bfd_is_thin_archive (current->my_archive))
1595 filename = current->my_archive->filename;
1597 /* If the path is the same as the previous path seen,
1598 reuse it. This can happen when flattening a thin
1599 archive that contains other archives. */
1600 if (last_filename && filename_cmp (last_filename, filename) == 0)
1603 last_filename = filename;
1605 /* If the path is relative, adjust it relative to
1606 the containing archive. */
1607 if (! IS_ABSOLUTE_PATH (filename)
1608 && ! IS_ABSOLUTE_PATH (abfd->filename))
1609 normal = adjust_relative_path (filename, abfd->filename);
1613 /* In a thin archive, always store the full pathname
1614 in the extended name table. */
1615 total_namelen += strlen (normal) + 1;
1617 /* Leave room for trailing slash. */
1623 normal = normalize (current, current->filename);
1627 thislen = strlen (normal);
1629 if (thislen > maxname
1630 && (bfd_get_file_flags (abfd) & BFD_TRADITIONAL_FORMAT) != 0)
1633 if (thislen > maxname)
1635 /* Add one to leave room for \n. */
1636 total_namelen += thislen + 1;
1639 /* Leave room for trailing slash. */
1645 struct ar_hdr *hdr = arch_hdr (current);
1646 if (filename_ncmp (normal, hdr->ar_name, thislen) != 0
1647 || (thislen < sizeof hdr->ar_name
1648 && hdr->ar_name[thislen] != ar_padchar (current)))
1650 /* Must have been using extended format even though it
1651 didn't need to. Fix it to use normal format. */
1652 memcpy (hdr->ar_name, normal, thislen);
1653 if (thislen < maxname
1654 || (thislen == maxname && thislen < sizeof hdr->ar_name))
1655 hdr->ar_name[thislen] = ar_padchar (current);
1660 if (total_namelen == 0)
1663 *tabloc = (char *) bfd_zalloc (abfd, total_namelen);
1664 if (*tabloc == NULL)
1667 *tablen = total_namelen;
1670 last_filename = NULL;
1673 for (current = abfd->archive_head;
1675 current = current->archive_next)
1678 unsigned int thislen;
1680 const char *filename = current->filename;
1682 if (bfd_is_thin_archive (abfd))
1684 /* If the element being added is a member of another archive
1685 (i.e., we are flattening), use the containing archive's name. */
1686 if (current->my_archive
1687 && ! bfd_is_thin_archive (current->my_archive))
1688 filename = current->my_archive->filename;
1689 /* If the path is the same as the previous path seen,
1690 reuse it. This can happen when flattening a thin
1691 archive that contains other archives.
1692 If the path is relative, adjust it relative to
1693 the containing archive. */
1694 if (last_filename && filename_cmp (last_filename, filename) == 0)
1695 normal = last_filename;
1696 else if (! IS_ABSOLUTE_PATH (filename)
1697 && ! IS_ABSOLUTE_PATH (abfd->filename))
1698 normal = adjust_relative_path (filename, abfd->filename);
1704 normal = normalize (current, filename);
1709 thislen = strlen (normal);
1710 if (thislen > maxname || bfd_is_thin_archive (abfd))
1712 /* Works for now; may need to be re-engineered if we
1713 encounter an oddball archive format and want to
1714 generalise this hack. */
1715 struct ar_hdr *hdr = arch_hdr (current);
1716 if (normal == last_filename)
1717 stroff = last_stroff;
1720 strcpy (strptr, normal);
1721 if (! trailing_slash)
1722 strptr[thislen] = ARFMAG[1];
1725 strptr[thislen] = '/';
1726 strptr[thislen + 1] = ARFMAG[1];
1728 stroff = strptr - *tabloc;
1729 last_stroff = stroff;
1731 hdr->ar_name[0] = ar_padchar (current);
1732 if (bfd_is_thin_archive (abfd) && current->origin > 0)
1734 int len = snprintf (hdr->ar_name + 1, maxname - 1, "%-ld:",
1736 _bfd_ar_spacepad (hdr->ar_name + 1 + len, maxname - 1 - len,
1738 current->origin - sizeof (struct ar_hdr));
1741 _bfd_ar_spacepad (hdr->ar_name + 1, maxname - 1, "%-ld", stroff);
1742 if (normal != last_filename)
1744 strptr += thislen + 1;
1747 last_filename = filename;
1755 /* Do not construct an extended name table but transforms name field into
1756 its extended form. */
1759 _bfd_archive_bsd44_construct_extended_name_table (bfd *abfd,
1761 bfd_size_type *tablen,
1764 unsigned int maxname = ar_maxnamelen (abfd);
1771 for (current = abfd->archive_head;
1773 current = current->archive_next)
1775 const char *normal = normalize (current, current->filename);
1782 for (len = 0; normal[len]; len++)
1783 if (normal[len] == ' ')
1786 if (len > maxname || has_space)
1788 struct ar_hdr *hdr = arch_hdr (current);
1790 len = (len + 3) & ~3;
1791 arch_eltdata (current)->extra_size = len;
1792 _bfd_ar_spacepad (hdr->ar_name, maxname, "#1/%lu", len);
1799 /* Write an archive header. */
1802 _bfd_generic_write_ar_hdr (bfd *archive, bfd *abfd)
1804 struct ar_hdr *hdr = arch_hdr (abfd);
1806 if (bfd_bwrite (hdr, sizeof (*hdr), archive) != sizeof (*hdr))
1811 /* Write an archive header using BSD4.4 convention. */
1814 _bfd_bsd44_write_ar_hdr (bfd *archive, bfd *abfd)
1816 struct ar_hdr *hdr = arch_hdr (abfd);
1818 if (is_bsd44_extended_name (hdr->ar_name))
1820 /* This is a BSD 4.4 extended name. */
1821 const char *fullname = normalize (abfd, abfd->filename);
1822 unsigned int len = strlen (fullname);
1823 unsigned int padded_len = (len + 3) & ~3;
1825 BFD_ASSERT (padded_len == arch_eltdata (abfd)->extra_size);
1827 if (!_bfd_ar_sizepad (hdr->ar_size, sizeof (hdr->ar_size),
1828 arch_eltdata (abfd)->parsed_size + padded_len))
1831 if (bfd_bwrite (hdr, sizeof (*hdr), archive) != sizeof (*hdr))
1834 if (bfd_bwrite (fullname, len, archive) != len)
1839 static const char pad[3] = { 0, 0, 0 };
1841 len = 4 - (len & 3);
1842 if (bfd_bwrite (pad, len, archive) != len)
1848 if (bfd_bwrite (hdr, sizeof (*hdr), archive) != sizeof (*hdr))
1854 /* A couple of functions for creating ar_hdrs. */
1856 #ifdef HPUX_LARGE_AR_IDS
1857 /* Function to encode large UID/GID values according to HP. */
1860 hpux_uid_gid_encode (char str[6], long int id)
1864 str[5] = '@' + (id & 3);
1867 for (cnt = 4; cnt >= 0; --cnt, id >>= 6)
1868 str[cnt] = ' ' + (id & 0x3f);
1870 #endif /* HPUX_LARGE_AR_IDS */
1880 /* Takes a filename, returns an arelt_data for it, or NULL if it can't
1881 make one. The filename must refer to a filename in the filesystem.
1882 The filename field of the ar_hdr will NOT be initialized. If member
1883 is set, and it's an in-memory bfd, we fake it. */
1885 static struct areltdata *
1886 bfd_ar_hdr_from_filesystem (bfd *abfd, const char *filename, bfd *member)
1889 struct areltdata *ared;
1893 if (member && (member->flags & BFD_IN_MEMORY) != 0)
1895 /* Assume we just "made" the member, and fake it. */
1896 struct bfd_in_memory *bim = (struct bfd_in_memory *) member->iostream;
1897 time (&status.st_mtime);
1898 status.st_uid = getuid ();
1899 status.st_gid = getgid ();
1900 status.st_mode = 0644;
1901 status.st_size = bim->size;
1903 else if (stat (filename, &status) != 0)
1905 bfd_set_error (bfd_error_system_call);
1909 /* If the caller requested that the BFD generate deterministic output,
1910 fake values for modification time, UID, GID, and file mode. */
1911 if ((abfd->flags & BFD_DETERMINISTIC_OUTPUT) != 0)
1913 status.st_mtime = 0;
1916 status.st_mode = 0644;
1919 amt = sizeof (struct ar_hdr) + sizeof (struct areltdata);
1920 ared = (struct areltdata *) bfd_zmalloc (amt);
1923 hdr = (struct ar_hdr *) (((char *) ared) + sizeof (struct areltdata));
1925 /* ar headers are space padded, not null padded! */
1926 memset (hdr, ' ', sizeof (struct ar_hdr));
1928 _bfd_ar_spacepad (hdr->ar_date, sizeof (hdr->ar_date), "%-12ld",
1930 #ifdef HPUX_LARGE_AR_IDS
1931 /* HP has a very "special" way to handle UID/GID's with numeric values
1933 if (status.st_uid > 99999)
1934 hpux_uid_gid_encode (hdr->ar_uid, (long) status.st_uid);
1937 _bfd_ar_spacepad (hdr->ar_uid, sizeof (hdr->ar_uid), "%ld",
1939 #ifdef HPUX_LARGE_AR_IDS
1940 /* HP has a very "special" way to handle UID/GID's with numeric values
1942 if (status.st_gid > 99999)
1943 hpux_uid_gid_encode (hdr->ar_gid, (long) status.st_gid);
1946 _bfd_ar_spacepad (hdr->ar_gid, sizeof (hdr->ar_gid), "%ld",
1948 _bfd_ar_spacepad (hdr->ar_mode, sizeof (hdr->ar_mode), "%-8lo",
1950 if (!_bfd_ar_sizepad (hdr->ar_size, sizeof (hdr->ar_size), status.st_size))
1955 memcpy (hdr->ar_fmag, ARFMAG, 2);
1956 ared->parsed_size = status.st_size;
1957 ared->arch_header = (char *) hdr;
1962 /* Analogous to stat call. */
1965 bfd_generic_stat_arch_elt (bfd *abfd, struct stat *buf)
1970 if (abfd->arelt_data == NULL)
1972 bfd_set_error (bfd_error_invalid_operation);
1976 hdr = arch_hdr (abfd);
1977 /* PR 17512: file: 3d9e9fe9. */
1980 #define foo(arelt, stelt, size) \
1981 buf->stelt = strtol (hdr->arelt, &aloser, size); \
1982 if (aloser == hdr->arelt) \
1985 /* Some platforms support special notations for large IDs. */
1986 #ifdef HPUX_LARGE_AR_IDS
1987 # define foo2(arelt, stelt, size) \
1988 if (hdr->arelt[5] == ' ') \
1990 foo (arelt, stelt, size); \
1995 for (buf->stelt = cnt = 0; cnt < 5; ++cnt) \
1997 if (hdr->arelt[cnt] < ' ' || hdr->arelt[cnt] > ' ' + 0x3f) \
2000 buf->stelt += hdr->arelt[cnt] - ' '; \
2002 if (hdr->arelt[5] < '@' || hdr->arelt[5] > '@' + 3) \
2005 buf->stelt += hdr->arelt[5] - '@'; \
2008 # define foo2(arelt, stelt, size) foo (arelt, stelt, size)
2011 foo (ar_date, st_mtime, 10);
2012 foo2 (ar_uid, st_uid, 10);
2013 foo2 (ar_gid, st_gid, 10);
2014 foo (ar_mode, st_mode, 8);
2016 buf->st_size = arch_eltdata (abfd)->parsed_size;
2022 bfd_dont_truncate_arname (bfd *abfd, const char *pathname, char *arhdr)
2024 /* FIXME: This interacts unpleasantly with ar's quick-append option.
2025 Fortunately ic960 users will never use that option. Fixing this
2026 is very hard; fortunately I know how to do it and will do so once
2027 intel's release is out the door. */
2029 struct ar_hdr *hdr = (struct ar_hdr *) arhdr;
2031 const char *filename;
2032 size_t maxlen = ar_maxnamelen (abfd);
2034 if ((bfd_get_file_flags (abfd) & BFD_TRADITIONAL_FORMAT) != 0)
2036 bfd_bsd_truncate_arname (abfd, pathname, arhdr);
2040 filename = normalize (abfd, pathname);
2041 if (filename == NULL)
2047 length = strlen (filename);
2049 if (length <= maxlen)
2050 memcpy (hdr->ar_name, filename, length);
2052 /* Add the padding character if there is room for it. */
2054 || (length == maxlen && length < sizeof hdr->ar_name))
2055 (hdr->ar_name)[length] = ar_padchar (abfd);
2059 bfd_bsd_truncate_arname (bfd *abfd, const char *pathname, char *arhdr)
2061 struct ar_hdr *hdr = (struct ar_hdr *) arhdr;
2063 const char *filename = lbasename (pathname);
2064 size_t maxlen = ar_maxnamelen (abfd);
2066 length = strlen (filename);
2068 if (length <= maxlen)
2069 memcpy (hdr->ar_name, filename, length);
2072 /* pathname: meet procrustes */
2073 memcpy (hdr->ar_name, filename, maxlen);
2077 if (length < maxlen)
2078 (hdr->ar_name)[length] = ar_padchar (abfd);
2081 /* Store name into ar header. Truncates the name to fit.
2082 1> strip pathname to be just the basename.
2083 2> if it's short enuf to fit, stuff it in.
2084 3> If it doesn't end with .o, truncate it to fit
2085 4> truncate it before the .o, append .o, stuff THAT in. */
2087 /* This is what gnu ar does. It's better but incompatible with the
2091 bfd_gnu_truncate_arname (bfd *abfd, const char *pathname, char *arhdr)
2093 struct ar_hdr *hdr = (struct ar_hdr *) arhdr;
2095 const char *filename = lbasename (pathname);
2096 size_t maxlen = ar_maxnamelen (abfd);
2098 length = strlen (filename);
2100 if (length <= maxlen)
2101 memcpy (hdr->ar_name, filename, length);
2104 /* pathname: meet procrustes. */
2105 memcpy (hdr->ar_name, filename, maxlen);
2106 if ((filename[length - 2] == '.') && (filename[length - 1] == 'o'))
2108 hdr->ar_name[maxlen - 2] = '.';
2109 hdr->ar_name[maxlen - 1] = 'o';
2115 (hdr->ar_name)[length] = ar_padchar (abfd);
2118 /* The BFD is open for write and has its format set to bfd_archive. */
2121 _bfd_write_archive_contents (bfd *arch)
2124 char *etable = NULL;
2125 bfd_size_type elength = 0;
2126 const char *ename = NULL;
2127 bfd_boolean makemap = bfd_has_map (arch);
2128 /* If no .o's, don't bother to make a map. */
2129 bfd_boolean hasobjects = FALSE;
2130 bfd_size_type wrote;
2134 /* Verify the viability of all entries; if any of them live in the
2135 filesystem (as opposed to living in an archive open for input)
2136 then construct a fresh ar_hdr for them. */
2137 for (current = arch->archive_head;
2139 current = current->archive_next)
2141 /* This check is checking the bfds for the objects we're reading
2142 from (which are usually either an object file or archive on
2143 disk), not the archive entries we're writing to. We don't
2144 actually create bfds for the archive members, we just copy
2145 them byte-wise when we write out the archive. */
2146 if (bfd_write_p (current))
2148 bfd_set_error (bfd_error_invalid_operation);
2151 if (!current->arelt_data)
2153 current->arelt_data =
2154 bfd_ar_hdr_from_filesystem (arch, current->filename, current);
2155 if (!current->arelt_data)
2158 /* Put in the file name. */
2159 BFD_SEND (arch, _bfd_truncate_arname,
2160 (arch, current->filename, (char *) arch_hdr (current)));
2163 if (makemap && ! hasobjects)
2164 { /* Don't bother if we won't make a map! */
2165 if ((bfd_check_format (current, bfd_object)))
2170 if (!BFD_SEND (arch, _bfd_construct_extended_name_table,
2171 (arch, &etable, &elength, &ename)))
2174 if (bfd_seek (arch, (file_ptr) 0, SEEK_SET) != 0)
2177 if (bfd_is_thin_archive (arch))
2179 wrote = bfd_bwrite (armag, SARMAG, arch);
2180 if (wrote != SARMAG)
2183 if (makemap && hasobjects)
2185 if (! _bfd_compute_and_write_armap (arch, (unsigned int) elength))
2193 memset (&hdr, ' ', sizeof (struct ar_hdr));
2194 memcpy (hdr.ar_name, ename, strlen (ename));
2195 /* Round size up to even number in archive header. */
2196 if (!_bfd_ar_sizepad (hdr.ar_size, sizeof (hdr.ar_size),
2197 (elength + 1) & ~(bfd_size_type) 1))
2199 memcpy (hdr.ar_fmag, ARFMAG, 2);
2200 if ((bfd_bwrite (&hdr, sizeof (struct ar_hdr), arch)
2201 != sizeof (struct ar_hdr))
2202 || bfd_bwrite (etable, elength, arch) != elength)
2204 if ((elength % 2) == 1)
2206 if (bfd_bwrite (&ARFMAG[1], 1, arch) != 1)
2211 for (current = arch->archive_head;
2213 current = current->archive_next)
2215 char buffer[DEFAULT_BUFFERSIZE];
2216 bfd_size_type remaining = arelt_size (current);
2218 /* Write ar header. */
2219 if (!_bfd_write_ar_hdr (arch, current))
2221 if (bfd_is_thin_archive (arch))
2223 if (bfd_seek (current, (file_ptr) 0, SEEK_SET) != 0)
2228 unsigned int amt = DEFAULT_BUFFERSIZE;
2230 if (amt > remaining)
2233 if (bfd_bread (buffer, amt, current) != amt)
2235 if (bfd_get_error () != bfd_error_system_call)
2236 bfd_set_error (bfd_error_file_truncated);
2239 if (bfd_bwrite (buffer, amt, arch) != amt)
2244 if ((arelt_size (current) % 2) == 1)
2246 if (bfd_bwrite (&ARFMAG[1], 1, arch) != 1)
2251 if (makemap && hasobjects)
2253 /* Verify the timestamp in the archive file. If it would not be
2254 accepted by the linker, rewrite it until it would be. If
2255 anything odd happens, break out and just return. (The
2256 Berkeley linker checks the timestamp and refuses to read the
2257 table-of-contents if it is >60 seconds less than the file's
2258 modified-time. That painful hack requires this painful hack. */
2262 if (bfd_update_armap_timestamp (arch))
2264 (*_bfd_error_handler)
2265 (_("Warning: writing archive was slow: rewriting timestamp\n"));
2267 while (++tries < 6);
2273 bfd_set_error (bfd_error_on_input, current, bfd_get_error ());
2277 /* Note that the namidx for the first symbol is 0. */
2280 _bfd_compute_and_write_armap (bfd *arch, unsigned int elength)
2282 char *first_name = NULL;
2284 file_ptr elt_no = 0;
2285 struct orl *map = NULL;
2286 unsigned int orl_max = 1024; /* Fine initial default. */
2287 unsigned int orl_count = 0;
2289 asymbol **syms = NULL;
2294 /* Dunno if this is the best place for this info... */
2296 elength += sizeof (struct ar_hdr);
2297 elength += elength % 2;
2299 amt = orl_max * sizeof (struct orl);
2300 map = (struct orl *) bfd_malloc (amt);
2304 /* We put the symbol names on the arch objalloc, and then discard
2306 first_name = (char *) bfd_alloc (arch, 1);
2307 if (first_name == NULL)
2310 /* Drop all the files called __.SYMDEF, we're going to make our own. */
2311 while (arch->archive_head
2312 && strcmp (arch->archive_head->filename, "__.SYMDEF") == 0)
2313 arch->archive_head = arch->archive_head->archive_next;
2315 /* Map over each element. */
2316 for (current = arch->archive_head;
2318 current = current->archive_next, elt_no++)
2320 if (bfd_check_format (current, bfd_object)
2321 && (bfd_get_file_flags (current) & HAS_SYMS) != 0)
2327 storage = bfd_get_symtab_upper_bound (current);
2333 if (storage > syms_max)
2338 syms = (asymbol **) bfd_malloc (syms_max);
2342 symcount = bfd_canonicalize_symtab (current, syms);
2346 /* Now map over all the symbols, picking out the ones we
2348 for (src_count = 0; src_count < symcount; src_count++)
2350 flagword flags = (syms[src_count])->flags;
2351 asection *sec = syms[src_count]->section;
2353 if (((flags & (BSF_GLOBAL
2356 | BSF_GNU_UNIQUE)) != 0
2357 || bfd_is_com_section (sec))
2358 && ! bfd_is_und_section (sec))
2360 bfd_size_type namelen;
2361 struct orl *new_map;
2363 /* This symbol will go into the archive header. */
2364 if (orl_count == orl_max)
2367 amt = orl_max * sizeof (struct orl);
2368 new_map = (struct orl *) bfd_realloc (map, amt);
2369 if (new_map == NULL)
2375 if (strcmp (syms[src_count]->name, "__gnu_lto_slim") == 0)
2376 (*_bfd_error_handler)
2377 (_("%s: plugin needed to handle lto object"),
2378 bfd_get_filename (current));
2379 namelen = strlen (syms[src_count]->name);
2380 amt = sizeof (char *);
2381 map[orl_count].name = (char **) bfd_alloc (arch, amt);
2382 if (map[orl_count].name == NULL)
2384 *(map[orl_count].name) = (char *) bfd_alloc (arch,
2386 if (*(map[orl_count].name) == NULL)
2388 strcpy (*(map[orl_count].name), syms[src_count]->name);
2389 map[orl_count].u.abfd = current;
2390 map[orl_count].namidx = stridx;
2392 stridx += namelen + 1;
2398 /* Now ask the BFD to free up any cached information, so we
2399 don't fill all of memory with symbol tables. */
2400 if (! bfd_free_cached_info (current))
2405 /* OK, now we have collected all the data, let's write them out. */
2406 ret = BFD_SEND (arch, write_armap,
2407 (arch, elength, map, orl_count, stridx));
2413 if (first_name != NULL)
2414 bfd_release (arch, first_name);
2423 if (first_name != NULL)
2424 bfd_release (arch, first_name);
2430 bsd_write_armap (bfd *arch,
2431 unsigned int elength,
2433 unsigned int orl_count,
2436 int padit = stridx & 1;
2437 unsigned int ranlibsize = orl_count * BSD_SYMDEF_SIZE;
2438 unsigned int stringsize = stridx + padit;
2439 /* Include 8 bytes to store ranlibsize and stringsize in output. */
2440 unsigned int mapsize = ranlibsize + stringsize + 8;
2442 bfd *current = arch->archive_head;
2443 bfd *last_elt = current; /* Last element arch seen. */
2449 firstreal = mapsize + elength + sizeof (struct ar_hdr) + SARMAG;
2451 /* If deterministic, we use 0 as the timestamp in the map.
2452 Some linkers may require that the archive filesystem modification
2453 time is less than (or near to) the archive map timestamp. Those
2454 linkers should not be used with deterministic mode. (GNU ld and
2455 Gold do not have this restriction.) */
2456 bfd_ardata (arch)->armap_timestamp = 0;
2459 if ((arch->flags & BFD_DETERMINISTIC_OUTPUT) == 0)
2461 struct stat statbuf;
2463 if (stat (arch->filename, &statbuf) == 0)
2464 bfd_ardata (arch)->armap_timestamp = (statbuf.st_mtime
2465 + ARMAP_TIME_OFFSET);
2470 memset (&hdr, ' ', sizeof (struct ar_hdr));
2471 memcpy (hdr.ar_name, RANLIBMAG, strlen (RANLIBMAG));
2472 bfd_ardata (arch)->armap_datepos = (SARMAG
2473 + offsetof (struct ar_hdr, ar_date[0]));
2474 _bfd_ar_spacepad (hdr.ar_date, sizeof (hdr.ar_date), "%ld",
2475 bfd_ardata (arch)->armap_timestamp);
2476 _bfd_ar_spacepad (hdr.ar_uid, sizeof (hdr.ar_uid), "%ld", uid);
2477 _bfd_ar_spacepad (hdr.ar_gid, sizeof (hdr.ar_gid), "%ld", gid);
2478 if (!_bfd_ar_sizepad (hdr.ar_size, sizeof (hdr.ar_size), mapsize))
2480 memcpy (hdr.ar_fmag, ARFMAG, 2);
2481 if (bfd_bwrite (&hdr, sizeof (struct ar_hdr), arch)
2482 != sizeof (struct ar_hdr))
2484 H_PUT_32 (arch, ranlibsize, temp);
2485 if (bfd_bwrite (temp, sizeof (temp), arch) != sizeof (temp))
2488 for (count = 0; count < orl_count; count++)
2490 unsigned int offset;
2491 bfd_byte buf[BSD_SYMDEF_SIZE];
2493 if (map[count].u.abfd != last_elt)
2497 struct areltdata *ared = arch_eltdata (current);
2499 firstreal += (ared->parsed_size + ared->extra_size
2500 + sizeof (struct ar_hdr));
2501 firstreal += firstreal % 2;
2502 current = current->archive_next;
2504 while (current != map[count].u.abfd);
2507 /* The archive file format only has 4 bytes to store the offset
2508 of the member. Check to make sure that firstreal has not grown
2510 offset = (unsigned int) firstreal;
2511 if (firstreal != (file_ptr) offset)
2513 bfd_set_error (bfd_error_file_truncated);
2518 H_PUT_32 (arch, map[count].namidx, buf);
2519 H_PUT_32 (arch, firstreal, buf + BSD_SYMDEF_OFFSET_SIZE);
2520 if (bfd_bwrite (buf, BSD_SYMDEF_SIZE, arch)
2525 /* Now write the strings themselves. */
2526 H_PUT_32 (arch, stringsize, temp);
2527 if (bfd_bwrite (temp, sizeof (temp), arch) != sizeof (temp))
2529 for (count = 0; count < orl_count; count++)
2531 size_t len = strlen (*map[count].name) + 1;
2533 if (bfd_bwrite (*map[count].name, len, arch) != len)
2537 /* The spec sez this should be a newline. But in order to be
2538 bug-compatible for sun's ar we use a null. */
2541 if (bfd_bwrite ("", 1, arch) != 1)
2548 /* At the end of archive file handling, update the timestamp in the
2549 file, so the linker will accept it.
2551 Return TRUE if the timestamp was OK, or an unusual problem happened.
2552 Return FALSE if we updated the timestamp. */
2555 _bfd_archive_bsd_update_armap_timestamp (bfd *arch)
2557 struct stat archstat;
2560 /* If creating deterministic archives, just leave the timestamp as-is. */
2561 if ((arch->flags & BFD_DETERMINISTIC_OUTPUT) != 0)
2564 /* Flush writes, get last-write timestamp from file, and compare it
2565 to the timestamp IN the file. */
2567 if (bfd_stat (arch, &archstat) == -1)
2569 bfd_perror (_("Reading archive file mod timestamp"));
2571 /* Can't read mod time for some reason. */
2574 if (((long) archstat.st_mtime) <= bfd_ardata (arch)->armap_timestamp)
2575 /* OK by the linker's rules. */
2578 /* Update the timestamp. */
2579 bfd_ardata (arch)->armap_timestamp = archstat.st_mtime + ARMAP_TIME_OFFSET;
2581 /* Prepare an ASCII version suitable for writing. */
2582 memset (hdr.ar_date, ' ', sizeof (hdr.ar_date));
2583 _bfd_ar_spacepad (hdr.ar_date, sizeof (hdr.ar_date), "%ld",
2584 bfd_ardata (arch)->armap_timestamp);
2586 /* Write it into the file. */
2587 bfd_ardata (arch)->armap_datepos = (SARMAG
2588 + offsetof (struct ar_hdr, ar_date[0]));
2589 if (bfd_seek (arch, bfd_ardata (arch)->armap_datepos, SEEK_SET) != 0
2590 || (bfd_bwrite (hdr.ar_date, sizeof (hdr.ar_date), arch)
2591 != sizeof (hdr.ar_date)))
2593 bfd_perror (_("Writing updated armap timestamp"));
2595 /* Some error while writing. */
2599 /* We updated the timestamp successfully. */
2603 /* A coff armap looks like :
2605 struct ar_hdr with name = '/'
2607 offset of file for symbol 0
2608 offset of file for symbol 1
2610 offset of file for symbol n-1
2617 coff_write_armap (bfd *arch,
2618 unsigned int elength,
2620 unsigned int symbol_count,
2623 /* The size of the ranlib is the number of exported symbols in the
2624 archive * the number of bytes in an int, + an int for the count. */
2625 unsigned int ranlibsize = (symbol_count * 4) + 4;
2626 unsigned int stringsize = stridx;
2627 unsigned int mapsize = stringsize + ranlibsize;
2628 file_ptr archive_member_file_ptr;
2629 bfd *current = arch->archive_head;
2632 int padit = mapsize & 1;
2637 /* Work out where the first object file will go in the archive. */
2638 archive_member_file_ptr = (mapsize
2640 + sizeof (struct ar_hdr)
2643 memset (&hdr, ' ', sizeof (struct ar_hdr));
2644 hdr.ar_name[0] = '/';
2645 if (!_bfd_ar_sizepad (hdr.ar_size, sizeof (hdr.ar_size), mapsize))
2647 _bfd_ar_spacepad (hdr.ar_date, sizeof (hdr.ar_date), "%ld",
2648 ((arch->flags & BFD_DETERMINISTIC_OUTPUT) == 0
2649 ? time (NULL) : 0));
2650 /* This, at least, is what Intel coff sets the values to. */
2651 _bfd_ar_spacepad (hdr.ar_uid, sizeof (hdr.ar_uid), "%ld", 0);
2652 _bfd_ar_spacepad (hdr.ar_gid, sizeof (hdr.ar_gid), "%ld", 0);
2653 _bfd_ar_spacepad (hdr.ar_mode, sizeof (hdr.ar_mode), "%-7lo", 0);
2654 memcpy (hdr.ar_fmag, ARFMAG, 2);
2656 /* Write the ar header for this item and the number of symbols. */
2657 if (bfd_bwrite (&hdr, sizeof (struct ar_hdr), arch)
2658 != sizeof (struct ar_hdr))
2661 if (!bfd_write_bigendian_4byte_int (arch, symbol_count))
2664 /* Two passes, first write the file offsets for each symbol -
2665 remembering that each offset is on a two byte boundary. */
2667 /* Write out the file offset for the file associated with each
2668 symbol, and remember to keep the offsets padded out. */
2670 current = arch->archive_head;
2672 while (current != NULL && count < symbol_count)
2674 /* For each symbol which is used defined in this object, write
2675 out the object file's address in the archive. */
2677 while (count < symbol_count && map[count].u.abfd == current)
2679 unsigned int offset = (unsigned int) archive_member_file_ptr;
2681 /* Catch an attempt to grow an archive past its 4Gb limit. */
2682 if (archive_member_file_ptr != (file_ptr) offset)
2684 bfd_set_error (bfd_error_file_truncated);
2687 if (!bfd_write_bigendian_4byte_int (arch, offset))
2691 archive_member_file_ptr += sizeof (struct ar_hdr);
2692 if (! bfd_is_thin_archive (arch))
2694 /* Add size of this archive entry. */
2695 archive_member_file_ptr += arelt_size (current);
2696 /* Remember about the even alignment. */
2697 archive_member_file_ptr += archive_member_file_ptr % 2;
2699 current = current->archive_next;
2702 /* Now write the strings themselves. */
2703 for (count = 0; count < symbol_count; count++)
2705 size_t len = strlen (*map[count].name) + 1;
2707 if (bfd_bwrite (*map[count].name, len, arch) != len)
2711 /* The spec sez this should be a newline. But in order to be
2712 bug-compatible for arc960 we use a null. */
2715 if (bfd_bwrite ("", 1, arch) != 1)
2723 archive_close_worker (void **slot, void *inf ATTRIBUTE_UNUSED)
2725 struct ar_cache *ent = (struct ar_cache *) *slot;
2727 bfd_close_all_done (ent->arbfd);
2732 _bfd_archive_close_and_cleanup (bfd *abfd)
2734 if (bfd_read_p (abfd) && abfd->format == bfd_archive)
2740 /* Close nested archives (if this bfd is a thin archive). */
2741 for (nbfd = abfd->nested_archives; nbfd; nbfd = next)
2743 next = nbfd->archive_next;
2747 htab = bfd_ardata (abfd)->cache;
2750 htab_traverse_noresize (htab, archive_close_worker, NULL);
2752 bfd_ardata (abfd)->cache = NULL;
2755 if (arch_eltdata (abfd) != NULL)
2757 struct areltdata *ared = arch_eltdata (abfd);
2758 htab_t htab = (htab_t) ared->parent_cache;
2762 struct ar_cache ent;
2765 ent.ptr = ared->key;
2766 slot = htab_find_slot (htab, &ent, NO_INSERT);
2769 BFD_ASSERT (((struct ar_cache *) *slot)->arbfd == abfd);
2770 htab_clear_slot (htab, slot);
2774 if (abfd->is_linker_output)
2775 (*abfd->link.hash->hash_table_free) (abfd);