1 /* BFD back-end for archive files (libraries).
2 Copyright (C) 1990-2014 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
;
906 raw_armap
= (bfd_byte
*) bfd_zalloc (abfd
, parsed_size
);
907 if (raw_armap
== NULL
)
910 if (bfd_bread (raw_armap
, parsed_size
, abfd
) != parsed_size
)
912 if (bfd_get_error () != bfd_error_system_call
)
913 bfd_set_error (bfd_error_malformed_archive
);
915 bfd_release (abfd
, raw_armap
);
919 ardata
->symdef_count
= H_GET_32 (abfd
, raw_armap
) / BSD_SYMDEF_SIZE
;
921 if (ardata
->symdef_count
* BSD_SYMDEF_SIZE
>
922 parsed_size
- BSD_SYMDEF_COUNT_SIZE
)
924 /* Probably we're using the wrong byte ordering. */
925 bfd_set_error (bfd_error_wrong_format
);
930 rbase
= raw_armap
+ BSD_SYMDEF_COUNT_SIZE
;
931 stringbase
= ((char *) rbase
932 + ardata
->symdef_count
* BSD_SYMDEF_SIZE
933 + BSD_STRING_COUNT_SIZE
);
934 amt
= ardata
->symdef_count
* sizeof (carsym
);
935 ardata
->symdefs
= (struct carsym
*) bfd_alloc (abfd
, amt
);
936 if (!ardata
->symdefs
)
939 for (counter
= 0, set
= ardata
->symdefs
;
940 counter
< ardata
->symdef_count
;
941 counter
++, set
++, rbase
+= BSD_SYMDEF_SIZE
)
943 set
->name
= H_GET_32 (abfd
, rbase
) + stringbase
;
944 set
->file_offset
= H_GET_32 (abfd
, rbase
+ BSD_SYMDEF_OFFSET_SIZE
);
947 ardata
->first_file_filepos
= bfd_tell (abfd
);
948 /* Pad to an even boundary if you have to. */
949 ardata
->first_file_filepos
+= (ardata
->first_file_filepos
) % 2;
950 /* FIXME, we should provide some way to free raw_ardata when
951 we are done using the strings from it. For now, it seems
952 to be allocated on an objalloc anyway... */
953 bfd_has_map (abfd
) = TRUE
;
957 /* Read a COFF archive symbol table. Returns FALSE on error, TRUE
961 do_slurp_coff_armap (bfd
*abfd
)
963 struct areltdata
*mapdata
;
964 int *raw_armap
, *rawptr
;
965 struct artdata
*ardata
= bfd_ardata (abfd
);
967 bfd_size_type stringsize
;
968 bfd_size_type parsed_size
;
970 bfd_size_type nsymz
; /* Number of symbols in armap. */
971 bfd_vma (*swap
) (const void *);
972 char int_buf
[sizeof (long)];
973 bfd_size_type carsym_size
, ptrsize
;
976 mapdata
= (struct areltdata
*) _bfd_read_ar_hdr (abfd
);
979 parsed_size
= mapdata
->parsed_size
;
982 if (bfd_bread (int_buf
, 4, abfd
) != 4)
984 if (bfd_get_error () != bfd_error_system_call
)
985 bfd_set_error (bfd_error_malformed_archive
);
988 /* It seems that all numeric information in a coff archive is always
989 in big endian format, nomatter the host or target. */
991 nsymz
= bfd_getb32 (int_buf
);
992 stringsize
= parsed_size
- (4 * nsymz
) - 4;
994 /* ... except that some archive formats are broken, and it may be our
995 fault - the i960 little endian coff sometimes has big and sometimes
996 little, because our tools changed. Here's a horrible hack to clean
999 if (stringsize
> 0xfffff
1000 && bfd_get_arch (abfd
) == bfd_arch_i960
1001 && bfd_get_flavour (abfd
) == bfd_target_coff_flavour
)
1003 /* This looks dangerous, let's do it the other way around. */
1004 nsymz
= bfd_getl32 (int_buf
);
1005 stringsize
= parsed_size
- (4 * nsymz
) - 4;
1009 /* The coff armap must be read sequentially. So we construct a
1010 bsd-style one in core all at once, for simplicity. */
1012 if (nsymz
> ~ (bfd_size_type
) 0 / sizeof (carsym
))
1015 carsym_size
= (nsymz
* sizeof (carsym
));
1016 ptrsize
= (4 * nsymz
);
1018 if (carsym_size
+ stringsize
+ 1 <= carsym_size
)
1021 ardata
->symdefs
= (struct carsym
*) bfd_zalloc (abfd
,
1022 carsym_size
+ stringsize
+ 1);
1023 if (ardata
->symdefs
== NULL
)
1025 carsyms
= ardata
->symdefs
;
1026 stringbase
= ((char *) ardata
->symdefs
) + carsym_size
;
1028 /* Allocate and read in the raw offsets. */
1029 raw_armap
= (int *) bfd_alloc (abfd
, ptrsize
);
1030 if (raw_armap
== NULL
)
1031 goto release_symdefs
;
1032 if (bfd_bread (raw_armap
, ptrsize
, abfd
) != ptrsize
1033 || (bfd_bread (stringbase
, stringsize
, abfd
) != stringsize
))
1035 if (bfd_get_error () != bfd_error_system_call
)
1036 bfd_set_error (bfd_error_malformed_archive
);
1037 goto release_raw_armap
;
1040 /* OK, build the carsyms. */
1041 for (i
= 0; i
< nsymz
&& stringsize
> 0; i
++)
1045 rawptr
= raw_armap
+ i
;
1046 carsyms
->file_offset
= swap ((bfd_byte
*) rawptr
);
1047 carsyms
->name
= stringbase
;
1048 /* PR 17512: file: 4a1d50c1. */
1049 len
= strnlen (stringbase
, stringsize
);
1050 if (len
< stringsize
)
1058 ardata
->symdef_count
= nsymz
;
1059 ardata
->first_file_filepos
= bfd_tell (abfd
);
1060 /* Pad to an even boundary if you have to. */
1061 ardata
->first_file_filepos
+= (ardata
->first_file_filepos
) % 2;
1063 bfd_has_map (abfd
) = TRUE
;
1064 bfd_release (abfd
, raw_armap
);
1066 /* Check for a second archive header (as used by PE). */
1068 struct areltdata
*tmp
;
1070 bfd_seek (abfd
, ardata
->first_file_filepos
, SEEK_SET
);
1071 tmp
= (struct areltdata
*) _bfd_read_ar_hdr (abfd
);
1074 if (tmp
->arch_header
[0] == '/'
1075 && tmp
->arch_header
[1] == ' ')
1077 ardata
->first_file_filepos
+=
1078 (tmp
->parsed_size
+ sizeof (struct ar_hdr
) + 1) & ~(unsigned) 1;
1087 bfd_release (abfd
, raw_armap
);
1089 bfd_release (abfd
, (ardata
)->symdefs
);
1093 /* This routine can handle either coff-style or bsd-style armaps
1094 (archive symbol table). Returns FALSE on error, TRUE otherwise */
1097 bfd_slurp_armap (bfd
*abfd
)
1100 int i
= bfd_bread (nextname
, 16, abfd
);
1107 if (bfd_seek (abfd
, (file_ptr
) -16, SEEK_CUR
) != 0)
1110 if (CONST_STRNEQ (nextname
, "__.SYMDEF ")
1111 || CONST_STRNEQ (nextname
, "__.SYMDEF/ ")) /* Old Linux archives. */
1112 return do_slurp_bsd_armap (abfd
);
1113 else if (CONST_STRNEQ (nextname
, "/ "))
1114 return do_slurp_coff_armap (abfd
);
1115 else if (CONST_STRNEQ (nextname
, "/SYM64/ "))
1117 /* 64bit ELF (Irix 6) archive. */
1119 extern bfd_boolean
bfd_elf64_archive_slurp_armap (bfd
*);
1120 return bfd_elf64_archive_slurp_armap (abfd
);
1122 bfd_set_error (bfd_error_wrong_format
);
1126 else if (CONST_STRNEQ (nextname
, "#1/20 "))
1128 /* Mach-O has a special name for armap when the map is sorted by name.
1129 However because this name has a space it is slightly more difficult
1134 if (bfd_bread (&hdr
, sizeof (hdr
), abfd
) != sizeof (hdr
))
1136 /* Read the extended name. We know its length. */
1137 if (bfd_bread (extname
, 20, abfd
) != 20)
1139 if (bfd_seek (abfd
, -(file_ptr
) (sizeof (hdr
) + 20), SEEK_CUR
) != 0)
1141 if (CONST_STRNEQ (extname
, "__.SYMDEF SORTED")
1142 || CONST_STRNEQ (extname
, "__.SYMDEF"))
1143 return do_slurp_bsd_armap (abfd
);
1146 bfd_has_map (abfd
) = FALSE
;
1150 /* Returns FALSE on error, TRUE otherwise. */
1151 /* Flavor 2 of a bsd armap, similar to bfd_slurp_bsd_armap except the
1152 header is in a slightly different order and the map name is '/'.
1153 This flavour is used by hp300hpux. */
1155 #define HPUX_SYMDEF_COUNT_SIZE 2
1158 bfd_slurp_bsd_armap_f2 (bfd
*abfd
)
1160 struct areltdata
*mapdata
;
1162 unsigned int counter
;
1163 bfd_byte
*raw_armap
, *rbase
;
1164 struct artdata
*ardata
= bfd_ardata (abfd
);
1166 unsigned int stringsize
;
1170 int i
= bfd_bread (nextname
, 16, abfd
);
1177 /* The archive has at least 16 bytes in it. */
1178 if (bfd_seek (abfd
, (file_ptr
) -16, SEEK_CUR
) != 0)
1181 if (CONST_STRNEQ (nextname
, "__.SYMDEF ")
1182 || CONST_STRNEQ (nextname
, "__.SYMDEF/ ")) /* Old Linux archives. */
1183 return do_slurp_bsd_armap (abfd
);
1185 if (! CONST_STRNEQ (nextname
, "/ "))
1187 bfd_has_map (abfd
) = FALSE
;
1191 mapdata
= (struct areltdata
*) _bfd_read_ar_hdr (abfd
);
1192 if (mapdata
== NULL
)
1195 if (mapdata
->parsed_size
< HPUX_SYMDEF_COUNT_SIZE
+ BSD_STRING_COUNT_SIZE
)
1199 bfd_set_error (bfd_error_wrong_format
);
1203 left
= mapdata
->parsed_size
- HPUX_SYMDEF_COUNT_SIZE
- BSD_STRING_COUNT_SIZE
;
1205 amt
= mapdata
->parsed_size
;
1208 raw_armap
= (bfd_byte
*) bfd_zalloc (abfd
, amt
);
1209 if (raw_armap
== NULL
)
1212 if (bfd_bread (raw_armap
, amt
, abfd
) != amt
)
1214 if (bfd_get_error () != bfd_error_system_call
)
1215 bfd_set_error (bfd_error_malformed_archive
);
1219 ardata
->symdef_count
= H_GET_16 (abfd
, raw_armap
);
1223 stringsize
= H_GET_32 (abfd
, raw_armap
+ HPUX_SYMDEF_COUNT_SIZE
);
1224 if (stringsize
> left
)
1228 /* Skip sym count and string sz. */
1229 stringbase
= ((char *) raw_armap
1230 + HPUX_SYMDEF_COUNT_SIZE
1231 + BSD_STRING_COUNT_SIZE
);
1232 rbase
= (bfd_byte
*) stringbase
+ stringsize
;
1233 amt
= ardata
->symdef_count
* BSD_SYMDEF_SIZE
;
1237 ardata
->symdefs
= (struct carsym
*) bfd_alloc (abfd
, amt
);
1238 if (!ardata
->symdefs
)
1241 for (counter
= 0, set
= ardata
->symdefs
;
1242 counter
< ardata
->symdef_count
;
1243 counter
++, set
++, rbase
+= BSD_SYMDEF_SIZE
)
1245 set
->name
= H_GET_32 (abfd
, rbase
) + stringbase
;
1246 set
->file_offset
= H_GET_32 (abfd
, rbase
+ BSD_SYMDEF_OFFSET_SIZE
);
1249 ardata
->first_file_filepos
= bfd_tell (abfd
);
1250 /* Pad to an even boundary if you have to. */
1251 ardata
->first_file_filepos
+= (ardata
->first_file_filepos
) % 2;
1252 /* FIXME, we should provide some way to free raw_ardata when
1253 we are done using the strings from it. For now, it seems
1254 to be allocated on an objalloc anyway... */
1255 bfd_has_map (abfd
) = TRUE
;
1259 /** Extended name table.
1261 Normally archives support only 14-character filenames.
1263 Intel has extended the format: longer names are stored in a special
1264 element (the first in the archive, or second if there is an armap);
1265 the name in the ar_hdr is replaced by <space><index into filename
1266 element>. Index is the P.R. of an int (decimal). Data General have
1267 extended the format by using the prefix // for the special element. */
1269 /* Returns FALSE on error, TRUE otherwise. */
1272 _bfd_slurp_extended_name_table (bfd
*abfd
)
1275 struct areltdata
*namedata
;
1278 /* FIXME: Formatting sucks here, and in case of failure of BFD_READ,
1279 we probably don't want to return TRUE. */
1280 if (bfd_seek (abfd
, bfd_ardata (abfd
)->first_file_filepos
, SEEK_SET
) != 0)
1283 if (bfd_bread (nextname
, 16, abfd
) == 16)
1285 if (bfd_seek (abfd
, (file_ptr
) -16, SEEK_CUR
) != 0)
1288 if (! CONST_STRNEQ (nextname
, "ARFILENAMES/ ")
1289 && ! CONST_STRNEQ (nextname
, "// "))
1291 bfd_ardata (abfd
)->extended_names
= NULL
;
1292 bfd_ardata (abfd
)->extended_names_size
= 0;
1296 namedata
= (struct areltdata
*) _bfd_read_ar_hdr (abfd
);
1297 if (namedata
== NULL
)
1300 amt
= namedata
->parsed_size
;
1304 bfd_ardata (abfd
)->extended_names_size
= amt
;
1305 bfd_ardata (abfd
)->extended_names
= (char *) bfd_zalloc (abfd
, amt
+ 1);
1306 if (bfd_ardata (abfd
)->extended_names
== NULL
)
1310 bfd_ardata (abfd
)->extended_names
= NULL
;
1311 bfd_ardata (abfd
)->extended_names_size
= 0;
1315 if (bfd_bread (bfd_ardata (abfd
)->extended_names
, amt
, abfd
) != amt
)
1317 if (bfd_get_error () != bfd_error_system_call
)
1318 bfd_set_error (bfd_error_malformed_archive
);
1319 bfd_release (abfd
, (bfd_ardata (abfd
)->extended_names
));
1320 bfd_ardata (abfd
)->extended_names
= NULL
;
1324 /* Since the archive is supposed to be printable if it contains
1325 text, the entries in the list are newline-padded, not null
1326 padded. In SVR4-style archives, the names also have a
1327 trailing '/'. DOS/NT created archive often have \ in them
1328 We'll fix all problems here. */
1330 char *ext_names
= bfd_ardata (abfd
)->extended_names
;
1331 char *temp
= ext_names
;
1332 char *limit
= temp
+ namedata
->parsed_size
;
1334 for (; temp
< limit
; ++temp
)
1336 if (*temp
== ARFMAG
[1])
1337 temp
[temp
> ext_names
&& temp
[-1] == '/' ? -1 : 0] = '\0';
1344 /* Pad to an even boundary if you have to. */
1345 bfd_ardata (abfd
)->first_file_filepos
= bfd_tell (abfd
);
1346 bfd_ardata (abfd
)->first_file_filepos
+=
1347 (bfd_ardata (abfd
)->first_file_filepos
) % 2;
1356 /* Return a copy of the stuff in the filename between any :]> and a
1360 normalize (bfd
*abfd
, const char *file
)
1366 first
= file
+ strlen (file
) - 1;
1369 while (first
!= file
)
1373 if (*first
== ':' || *first
== ']' || *first
== '>')
1381 copy
= bfd_alloc (abfd
, last
- first
+ 1);
1385 memcpy (copy
, first
, last
- first
);
1386 copy
[last
- first
] = 0;
1393 normalize (bfd
*abfd ATTRIBUTE_UNUSED
, const char *file
)
1395 return lbasename (file
);
1399 /* Adjust a relative path name based on the reference path.
1402 Relative path Reference path Result
1403 ------------- -------------- ------
1405 foo/bar.o lib.a foo/bar.o
1406 bar.o foo/lib.a ../bar.o
1407 foo/bar.o baz/lib.a ../foo/bar.o
1408 bar.o ../lib.a <parent of current dir>/bar.o
1409 ; ../bar.o ../lib.a bar.o
1410 ; ../bar.o lib.a ../bar.o
1411 foo/bar.o ../lib.a <parent of current dir>/foo/bar.o
1412 bar.o ../../lib.a <grandparent>/<parent>/bar.o
1413 bar.o foo/baz/lib.a ../../bar.o
1415 Note - the semicolons above are there to prevent the BFD chew
1416 utility from interpreting those lines as prototypes to put into
1417 the autogenerated bfd.h header...
1419 Note - the string is returned in a static buffer. */
1422 adjust_relative_path (const char * path
, const char * ref_path
)
1424 static char *pathbuf
= NULL
;
1425 static unsigned int pathbuf_len
= 0;
1431 unsigned int dir_up
= 0;
1432 unsigned int dir_down
= 0;
1434 char * pwd
= getpwd ();
1437 /* Remove symlinks, '.' and '..' from the paths, if possible. */
1438 lpath
= lrealpath (path
);
1439 pathp
= lpath
== NULL
? path
: lpath
;
1441 rpath
= lrealpath (ref_path
);
1442 refp
= rpath
== NULL
? ref_path
: rpath
;
1444 /* Remove common leading path elements. */
1447 const char *e1
= pathp
;
1448 const char *e2
= refp
;
1450 while (*e1
&& ! IS_DIR_SEPARATOR (*e1
))
1452 while (*e2
&& ! IS_DIR_SEPARATOR (*e2
))
1454 if (*e1
== '\0' || *e2
== '\0' || e1
- pathp
!= e2
- refp
1455 || filename_ncmp (pathp
, refp
, e1
- pathp
) != 0)
1461 len
= strlen (pathp
) + 1;
1462 /* For each leading path element in the reference path,
1463 insert "../" into the path. */
1464 for (; *refp
; ++refp
)
1465 if (IS_DIR_SEPARATOR (*refp
))
1467 /* PR 12710: If the path element is "../" then instead of
1468 inserting "../" we need to insert the name of the directory
1469 at the current level. */
1470 if (refp
> ref_path
+ 1
1478 /* If the lrealpath calls above succeeded then we should never
1479 see dir_up and dir_down both being non-zero. */
1485 down
= pwd
+ strlen (pwd
) - 1;
1487 while (dir_down
&& down
> pwd
)
1489 if (IS_DIR_SEPARATOR (*down
))
1492 BFD_ASSERT (dir_down
== 0);
1493 len
+= strlen (down
) + 1;
1498 if (len
> pathbuf_len
)
1500 if (pathbuf
!= NULL
)
1503 pathbuf
= (char *) bfd_malloc (len
);
1504 if (pathbuf
== NULL
)
1510 while (dir_up
-- > 0)
1512 /* FIXME: Support Windows style path separators as well. */
1513 strcpy (newp
, "../");
1518 sprintf (newp
, "%s/%s", down
, pathp
);
1520 strcpy (newp
, pathp
);
1528 /* Build a BFD style extended name table. */
1531 _bfd_archive_bsd_construct_extended_name_table (bfd
*abfd
,
1533 bfd_size_type
*tablen
,
1536 *name
= "ARFILENAMES/";
1537 return _bfd_construct_extended_name_table (abfd
, FALSE
, tabloc
, tablen
);
1540 /* Build an SVR4 style extended name table. */
1543 _bfd_archive_coff_construct_extended_name_table (bfd
*abfd
,
1545 bfd_size_type
*tablen
,
1549 return _bfd_construct_extended_name_table (abfd
, TRUE
, tabloc
, tablen
);
1552 /* Follows archive_head and produces an extended name table if
1553 necessary. Returns (in tabloc) a pointer to an extended name
1554 table, and in tablen the length of the table. If it makes an entry
1555 it clobbers the filename so that the element may be written without
1556 further massage. Returns TRUE if it ran successfully, FALSE if
1557 something went wrong. A successful return may still involve a
1558 zero-length tablen! */
1561 _bfd_construct_extended_name_table (bfd
*abfd
,
1562 bfd_boolean trailing_slash
,
1564 bfd_size_type
*tablen
)
1566 unsigned int maxname
= ar_maxnamelen (abfd
);
1567 bfd_size_type total_namelen
= 0;
1570 const char *last_filename
;
1574 last_filename
= NULL
;
1576 /* Figure out how long the table should be. */
1577 for (current
= abfd
->archive_head
;
1579 current
= current
->archive_next
)
1582 unsigned int thislen
;
1584 if (bfd_is_thin_archive (abfd
))
1586 const char *filename
= current
->filename
;
1588 /* If the element being added is a member of another archive
1589 (i.e., we are flattening), use the containing archive's name. */
1590 if (current
->my_archive
1591 && ! bfd_is_thin_archive (current
->my_archive
))
1592 filename
= current
->my_archive
->filename
;
1594 /* If the path is the same as the previous path seen,
1595 reuse it. This can happen when flattening a thin
1596 archive that contains other archives. */
1597 if (last_filename
&& filename_cmp (last_filename
, filename
) == 0)
1600 last_filename
= filename
;
1602 /* If the path is relative, adjust it relative to
1603 the containing archive. */
1604 if (! IS_ABSOLUTE_PATH (filename
)
1605 && ! IS_ABSOLUTE_PATH (abfd
->filename
))
1606 normal
= adjust_relative_path (filename
, abfd
->filename
);
1610 /* In a thin archive, always store the full pathname
1611 in the extended name table. */
1612 total_namelen
+= strlen (normal
) + 1;
1614 /* Leave room for trailing slash. */
1620 normal
= normalize (current
, current
->filename
);
1624 thislen
= strlen (normal
);
1626 if (thislen
> maxname
1627 && (bfd_get_file_flags (abfd
) & BFD_TRADITIONAL_FORMAT
) != 0)
1630 if (thislen
> maxname
)
1632 /* Add one to leave room for \n. */
1633 total_namelen
+= thislen
+ 1;
1636 /* Leave room for trailing slash. */
1642 struct ar_hdr
*hdr
= arch_hdr (current
);
1643 if (filename_ncmp (normal
, hdr
->ar_name
, thislen
) != 0
1644 || (thislen
< sizeof hdr
->ar_name
1645 && hdr
->ar_name
[thislen
] != ar_padchar (current
)))
1647 /* Must have been using extended format even though it
1648 didn't need to. Fix it to use normal format. */
1649 memcpy (hdr
->ar_name
, normal
, thislen
);
1650 if (thislen
< maxname
1651 || (thislen
== maxname
&& thislen
< sizeof hdr
->ar_name
))
1652 hdr
->ar_name
[thislen
] = ar_padchar (current
);
1657 if (total_namelen
== 0)
1660 *tabloc
= (char *) bfd_zalloc (abfd
, total_namelen
);
1661 if (*tabloc
== NULL
)
1664 *tablen
= total_namelen
;
1667 last_filename
= NULL
;
1670 for (current
= abfd
->archive_head
;
1672 current
= current
->archive_next
)
1675 unsigned int thislen
;
1677 const char *filename
= current
->filename
;
1679 if (bfd_is_thin_archive (abfd
))
1681 /* If the element being added is a member of another archive
1682 (i.e., we are flattening), use the containing archive's name. */
1683 if (current
->my_archive
1684 && ! bfd_is_thin_archive (current
->my_archive
))
1685 filename
= current
->my_archive
->filename
;
1686 /* If the path is the same as the previous path seen,
1687 reuse it. This can happen when flattening a thin
1688 archive that contains other archives.
1689 If the path is relative, adjust it relative to
1690 the containing archive. */
1691 if (last_filename
&& filename_cmp (last_filename
, filename
) == 0)
1692 normal
= last_filename
;
1693 else if (! IS_ABSOLUTE_PATH (filename
)
1694 && ! IS_ABSOLUTE_PATH (abfd
->filename
))
1695 normal
= adjust_relative_path (filename
, abfd
->filename
);
1701 normal
= normalize (current
, filename
);
1706 thislen
= strlen (normal
);
1707 if (thislen
> maxname
|| bfd_is_thin_archive (abfd
))
1709 /* Works for now; may need to be re-engineered if we
1710 encounter an oddball archive format and want to
1711 generalise this hack. */
1712 struct ar_hdr
*hdr
= arch_hdr (current
);
1713 if (normal
== last_filename
)
1714 stroff
= last_stroff
;
1717 strcpy (strptr
, normal
);
1718 if (! trailing_slash
)
1719 strptr
[thislen
] = ARFMAG
[1];
1722 strptr
[thislen
] = '/';
1723 strptr
[thislen
+ 1] = ARFMAG
[1];
1725 stroff
= strptr
- *tabloc
;
1726 last_stroff
= stroff
;
1728 hdr
->ar_name
[0] = ar_padchar (current
);
1729 if (bfd_is_thin_archive (abfd
) && current
->origin
> 0)
1731 int len
= snprintf (hdr
->ar_name
+ 1, maxname
- 1, "%-ld:",
1733 _bfd_ar_spacepad (hdr
->ar_name
+ 1 + len
, maxname
- 1 - len
,
1735 current
->origin
- sizeof (struct ar_hdr
));
1738 _bfd_ar_spacepad (hdr
->ar_name
+ 1, maxname
- 1, "%-ld", stroff
);
1739 if (normal
!= last_filename
)
1741 strptr
+= thislen
+ 1;
1744 last_filename
= filename
;
1752 /* Do not construct an extended name table but transforms name field into
1753 its extended form. */
1756 _bfd_archive_bsd44_construct_extended_name_table (bfd
*abfd
,
1758 bfd_size_type
*tablen
,
1761 unsigned int maxname
= ar_maxnamelen (abfd
);
1768 for (current
= abfd
->archive_head
;
1770 current
= current
->archive_next
)
1772 const char *normal
= normalize (current
, current
->filename
);
1779 for (len
= 0; normal
[len
]; len
++)
1780 if (normal
[len
] == ' ')
1783 if (len
> maxname
|| has_space
)
1785 struct ar_hdr
*hdr
= arch_hdr (current
);
1787 len
= (len
+ 3) & ~3;
1788 arch_eltdata (current
)->extra_size
= len
;
1789 _bfd_ar_spacepad (hdr
->ar_name
, maxname
, "#1/%lu", len
);
1796 /* Write an archive header. */
1799 _bfd_generic_write_ar_hdr (bfd
*archive
, bfd
*abfd
)
1801 struct ar_hdr
*hdr
= arch_hdr (abfd
);
1803 if (bfd_bwrite (hdr
, sizeof (*hdr
), archive
) != sizeof (*hdr
))
1808 /* Write an archive header using BSD4.4 convention. */
1811 _bfd_bsd44_write_ar_hdr (bfd
*archive
, bfd
*abfd
)
1813 struct ar_hdr
*hdr
= arch_hdr (abfd
);
1815 if (is_bsd44_extended_name (hdr
->ar_name
))
1817 /* This is a BSD 4.4 extended name. */
1818 const char *fullname
= normalize (abfd
, abfd
->filename
);
1819 unsigned int len
= strlen (fullname
);
1820 unsigned int padded_len
= (len
+ 3) & ~3;
1822 BFD_ASSERT (padded_len
== arch_eltdata (abfd
)->extra_size
);
1824 if (!_bfd_ar_sizepad (hdr
->ar_size
, sizeof (hdr
->ar_size
),
1825 arch_eltdata (abfd
)->parsed_size
+ padded_len
))
1828 if (bfd_bwrite (hdr
, sizeof (*hdr
), archive
) != sizeof (*hdr
))
1831 if (bfd_bwrite (fullname
, len
, archive
) != len
)
1836 static const char pad
[3] = { 0, 0, 0 };
1838 len
= 4 - (len
& 3);
1839 if (bfd_bwrite (pad
, len
, archive
) != len
)
1845 if (bfd_bwrite (hdr
, sizeof (*hdr
), archive
) != sizeof (*hdr
))
1851 /* A couple of functions for creating ar_hdrs. */
1853 #ifdef HPUX_LARGE_AR_IDS
1854 /* Function to encode large UID/GID values according to HP. */
1857 hpux_uid_gid_encode (char str
[6], long int id
)
1861 str
[5] = '@' + (id
& 3);
1864 for (cnt
= 4; cnt
>= 0; --cnt
, id
>>= 6)
1865 str
[cnt
] = ' ' + (id
& 0x3f);
1867 #endif /* HPUX_LARGE_AR_IDS */
1877 /* Takes a filename, returns an arelt_data for it, or NULL if it can't
1878 make one. The filename must refer to a filename in the filesystem.
1879 The filename field of the ar_hdr will NOT be initialized. If member
1880 is set, and it's an in-memory bfd, we fake it. */
1882 static struct areltdata
*
1883 bfd_ar_hdr_from_filesystem (bfd
*abfd
, const char *filename
, bfd
*member
)
1886 struct areltdata
*ared
;
1890 if (member
&& (member
->flags
& BFD_IN_MEMORY
) != 0)
1892 /* Assume we just "made" the member, and fake it. */
1893 struct bfd_in_memory
*bim
= (struct bfd_in_memory
*) member
->iostream
;
1894 time (&status
.st_mtime
);
1895 status
.st_uid
= getuid ();
1896 status
.st_gid
= getgid ();
1897 status
.st_mode
= 0644;
1898 status
.st_size
= bim
->size
;
1900 else if (stat (filename
, &status
) != 0)
1902 bfd_set_error (bfd_error_system_call
);
1906 /* If the caller requested that the BFD generate deterministic output,
1907 fake values for modification time, UID, GID, and file mode. */
1908 if ((abfd
->flags
& BFD_DETERMINISTIC_OUTPUT
) != 0)
1910 status
.st_mtime
= 0;
1913 status
.st_mode
= 0644;
1916 amt
= sizeof (struct ar_hdr
) + sizeof (struct areltdata
);
1917 ared
= (struct areltdata
*) bfd_zmalloc (amt
);
1920 hdr
= (struct ar_hdr
*) (((char *) ared
) + sizeof (struct areltdata
));
1922 /* ar headers are space padded, not null padded! */
1923 memset (hdr
, ' ', sizeof (struct ar_hdr
));
1925 _bfd_ar_spacepad (hdr
->ar_date
, sizeof (hdr
->ar_date
), "%-12ld",
1927 #ifdef HPUX_LARGE_AR_IDS
1928 /* HP has a very "special" way to handle UID/GID's with numeric values
1930 if (status
.st_uid
> 99999)
1931 hpux_uid_gid_encode (hdr
->ar_uid
, (long) status
.st_uid
);
1934 _bfd_ar_spacepad (hdr
->ar_uid
, sizeof (hdr
->ar_uid
), "%ld",
1936 #ifdef HPUX_LARGE_AR_IDS
1937 /* HP has a very "special" way to handle UID/GID's with numeric values
1939 if (status
.st_gid
> 99999)
1940 hpux_uid_gid_encode (hdr
->ar_gid
, (long) status
.st_gid
);
1943 _bfd_ar_spacepad (hdr
->ar_gid
, sizeof (hdr
->ar_gid
), "%ld",
1945 _bfd_ar_spacepad (hdr
->ar_mode
, sizeof (hdr
->ar_mode
), "%-8lo",
1947 if (!_bfd_ar_sizepad (hdr
->ar_size
, sizeof (hdr
->ar_size
), status
.st_size
))
1952 memcpy (hdr
->ar_fmag
, ARFMAG
, 2);
1953 ared
->parsed_size
= status
.st_size
;
1954 ared
->arch_header
= (char *) hdr
;
1959 /* Analogous to stat call. */
1962 bfd_generic_stat_arch_elt (bfd
*abfd
, struct stat
*buf
)
1967 if (abfd
->arelt_data
== NULL
)
1969 bfd_set_error (bfd_error_invalid_operation
);
1973 hdr
= arch_hdr (abfd
);
1975 #define foo(arelt, stelt, size) \
1976 buf->stelt = strtol (hdr->arelt, &aloser, size); \
1977 if (aloser == hdr->arelt) \
1980 /* Some platforms support special notations for large IDs. */
1981 #ifdef HPUX_LARGE_AR_IDS
1982 # define foo2(arelt, stelt, size) \
1983 if (hdr->arelt[5] == ' ') \
1985 foo (arelt, stelt, size); \
1990 for (buf->stelt = cnt = 0; cnt < 5; ++cnt) \
1992 if (hdr->arelt[cnt] < ' ' || hdr->arelt[cnt] > ' ' + 0x3f) \
1995 buf->stelt += hdr->arelt[cnt] - ' '; \
1997 if (hdr->arelt[5] < '@' || hdr->arelt[5] > '@' + 3) \
2000 buf->stelt += hdr->arelt[5] - '@'; \
2003 # define foo2(arelt, stelt, size) foo (arelt, stelt, size)
2006 foo (ar_date
, st_mtime
, 10);
2007 foo2 (ar_uid
, st_uid
, 10);
2008 foo2 (ar_gid
, st_gid
, 10);
2009 foo (ar_mode
, st_mode
, 8);
2011 buf
->st_size
= arch_eltdata (abfd
)->parsed_size
;
2017 bfd_dont_truncate_arname (bfd
*abfd
, const char *pathname
, char *arhdr
)
2019 /* FIXME: This interacts unpleasantly with ar's quick-append option.
2020 Fortunately ic960 users will never use that option. Fixing this
2021 is very hard; fortunately I know how to do it and will do so once
2022 intel's release is out the door. */
2024 struct ar_hdr
*hdr
= (struct ar_hdr
*) arhdr
;
2026 const char *filename
;
2027 size_t maxlen
= ar_maxnamelen (abfd
);
2029 if ((bfd_get_file_flags (abfd
) & BFD_TRADITIONAL_FORMAT
) != 0)
2031 bfd_bsd_truncate_arname (abfd
, pathname
, arhdr
);
2035 filename
= normalize (abfd
, pathname
);
2036 if (filename
== NULL
)
2042 length
= strlen (filename
);
2044 if (length
<= maxlen
)
2045 memcpy (hdr
->ar_name
, filename
, length
);
2047 /* Add the padding character if there is room for it. */
2049 || (length
== maxlen
&& length
< sizeof hdr
->ar_name
))
2050 (hdr
->ar_name
)[length
] = ar_padchar (abfd
);
2054 bfd_bsd_truncate_arname (bfd
*abfd
, const char *pathname
, char *arhdr
)
2056 struct ar_hdr
*hdr
= (struct ar_hdr
*) arhdr
;
2058 const char *filename
= lbasename (pathname
);
2059 size_t maxlen
= ar_maxnamelen (abfd
);
2061 length
= strlen (filename
);
2063 if (length
<= maxlen
)
2064 memcpy (hdr
->ar_name
, filename
, length
);
2067 /* pathname: meet procrustes */
2068 memcpy (hdr
->ar_name
, filename
, maxlen
);
2072 if (length
< maxlen
)
2073 (hdr
->ar_name
)[length
] = ar_padchar (abfd
);
2076 /* Store name into ar header. Truncates the name to fit.
2077 1> strip pathname to be just the basename.
2078 2> if it's short enuf to fit, stuff it in.
2079 3> If it doesn't end with .o, truncate it to fit
2080 4> truncate it before the .o, append .o, stuff THAT in. */
2082 /* This is what gnu ar does. It's better but incompatible with the
2086 bfd_gnu_truncate_arname (bfd
*abfd
, const char *pathname
, char *arhdr
)
2088 struct ar_hdr
*hdr
= (struct ar_hdr
*) arhdr
;
2090 const char *filename
= lbasename (pathname
);
2091 size_t maxlen
= ar_maxnamelen (abfd
);
2093 length
= strlen (filename
);
2095 if (length
<= maxlen
)
2096 memcpy (hdr
->ar_name
, filename
, length
);
2099 /* pathname: meet procrustes. */
2100 memcpy (hdr
->ar_name
, filename
, maxlen
);
2101 if ((filename
[length
- 2] == '.') && (filename
[length
- 1] == 'o'))
2103 hdr
->ar_name
[maxlen
- 2] = '.';
2104 hdr
->ar_name
[maxlen
- 1] = 'o';
2110 (hdr
->ar_name
)[length
] = ar_padchar (abfd
);
2113 /* The BFD is open for write and has its format set to bfd_archive. */
2116 _bfd_write_archive_contents (bfd
*arch
)
2119 char *etable
= NULL
;
2120 bfd_size_type elength
= 0;
2121 const char *ename
= NULL
;
2122 bfd_boolean makemap
= bfd_has_map (arch
);
2123 /* If no .o's, don't bother to make a map. */
2124 bfd_boolean hasobjects
= FALSE
;
2125 bfd_size_type wrote
;
2129 /* Verify the viability of all entries; if any of them live in the
2130 filesystem (as opposed to living in an archive open for input)
2131 then construct a fresh ar_hdr for them. */
2132 for (current
= arch
->archive_head
;
2134 current
= current
->archive_next
)
2136 /* This check is checking the bfds for the objects we're reading
2137 from (which are usually either an object file or archive on
2138 disk), not the archive entries we're writing to. We don't
2139 actually create bfds for the archive members, we just copy
2140 them byte-wise when we write out the archive. */
2141 if (bfd_write_p (current
))
2143 bfd_set_error (bfd_error_invalid_operation
);
2146 if (!current
->arelt_data
)
2148 current
->arelt_data
=
2149 bfd_ar_hdr_from_filesystem (arch
, current
->filename
, current
);
2150 if (!current
->arelt_data
)
2153 /* Put in the file name. */
2154 BFD_SEND (arch
, _bfd_truncate_arname
,
2155 (arch
, current
->filename
, (char *) arch_hdr (current
)));
2158 if (makemap
&& ! hasobjects
)
2159 { /* Don't bother if we won't make a map! */
2160 if ((bfd_check_format (current
, bfd_object
)))
2165 if (!BFD_SEND (arch
, _bfd_construct_extended_name_table
,
2166 (arch
, &etable
, &elength
, &ename
)))
2169 if (bfd_seek (arch
, (file_ptr
) 0, SEEK_SET
) != 0)
2172 if (bfd_is_thin_archive (arch
))
2174 wrote
= bfd_bwrite (armag
, SARMAG
, arch
);
2175 if (wrote
!= SARMAG
)
2178 if (makemap
&& hasobjects
)
2180 if (! _bfd_compute_and_write_armap (arch
, (unsigned int) elength
))
2188 memset (&hdr
, ' ', sizeof (struct ar_hdr
));
2189 memcpy (hdr
.ar_name
, ename
, strlen (ename
));
2190 /* Round size up to even number in archive header. */
2191 if (!_bfd_ar_sizepad (hdr
.ar_size
, sizeof (hdr
.ar_size
),
2192 (elength
+ 1) & ~(bfd_size_type
) 1))
2194 memcpy (hdr
.ar_fmag
, ARFMAG
, 2);
2195 if ((bfd_bwrite (&hdr
, sizeof (struct ar_hdr
), arch
)
2196 != sizeof (struct ar_hdr
))
2197 || bfd_bwrite (etable
, elength
, arch
) != elength
)
2199 if ((elength
% 2) == 1)
2201 if (bfd_bwrite (&ARFMAG
[1], 1, arch
) != 1)
2206 for (current
= arch
->archive_head
;
2208 current
= current
->archive_next
)
2210 char buffer
[DEFAULT_BUFFERSIZE
];
2211 bfd_size_type remaining
= arelt_size (current
);
2213 /* Write ar header. */
2214 if (!_bfd_write_ar_hdr (arch
, current
))
2216 if (bfd_is_thin_archive (arch
))
2218 if (bfd_seek (current
, (file_ptr
) 0, SEEK_SET
) != 0)
2223 unsigned int amt
= DEFAULT_BUFFERSIZE
;
2225 if (amt
> remaining
)
2228 if (bfd_bread (buffer
, amt
, current
) != amt
)
2230 if (bfd_get_error () != bfd_error_system_call
)
2231 bfd_set_error (bfd_error_file_truncated
);
2234 if (bfd_bwrite (buffer
, amt
, arch
) != amt
)
2239 if ((arelt_size (current
) % 2) == 1)
2241 if (bfd_bwrite (&ARFMAG
[1], 1, arch
) != 1)
2246 if (makemap
&& hasobjects
)
2248 /* Verify the timestamp in the archive file. If it would not be
2249 accepted by the linker, rewrite it until it would be. If
2250 anything odd happens, break out and just return. (The
2251 Berkeley linker checks the timestamp and refuses to read the
2252 table-of-contents if it is >60 seconds less than the file's
2253 modified-time. That painful hack requires this painful hack. */
2257 if (bfd_update_armap_timestamp (arch
))
2259 (*_bfd_error_handler
)
2260 (_("Warning: writing archive was slow: rewriting timestamp\n"));
2262 while (++tries
< 6);
2268 bfd_set_error (bfd_error_on_input
, current
, bfd_get_error ());
2272 /* Note that the namidx for the first symbol is 0. */
2275 _bfd_compute_and_write_armap (bfd
*arch
, unsigned int elength
)
2277 char *first_name
= NULL
;
2279 file_ptr elt_no
= 0;
2280 struct orl
*map
= NULL
;
2281 unsigned int orl_max
= 1024; /* Fine initial default. */
2282 unsigned int orl_count
= 0;
2284 asymbol
**syms
= NULL
;
2289 /* Dunno if this is the best place for this info... */
2291 elength
+= sizeof (struct ar_hdr
);
2292 elength
+= elength
% 2;
2294 amt
= orl_max
* sizeof (struct orl
);
2295 map
= (struct orl
*) bfd_malloc (amt
);
2299 /* We put the symbol names on the arch objalloc, and then discard
2301 first_name
= (char *) bfd_alloc (arch
, 1);
2302 if (first_name
== NULL
)
2305 /* Drop all the files called __.SYMDEF, we're going to make our own. */
2306 while (arch
->archive_head
2307 && strcmp (arch
->archive_head
->filename
, "__.SYMDEF") == 0)
2308 arch
->archive_head
= arch
->archive_head
->archive_next
;
2310 /* Map over each element. */
2311 for (current
= arch
->archive_head
;
2313 current
= current
->archive_next
, elt_no
++)
2315 if (bfd_check_format (current
, bfd_object
)
2316 && (bfd_get_file_flags (current
) & HAS_SYMS
) != 0)
2322 storage
= bfd_get_symtab_upper_bound (current
);
2328 if (storage
> syms_max
)
2333 syms
= (asymbol
**) bfd_malloc (syms_max
);
2337 symcount
= bfd_canonicalize_symtab (current
, syms
);
2341 /* Now map over all the symbols, picking out the ones we
2343 for (src_count
= 0; src_count
< symcount
; src_count
++)
2345 flagword flags
= (syms
[src_count
])->flags
;
2346 asection
*sec
= syms
[src_count
]->section
;
2348 if (((flags
& (BSF_GLOBAL
2351 | BSF_GNU_UNIQUE
)) != 0
2352 || bfd_is_com_section (sec
))
2353 && ! bfd_is_und_section (sec
))
2355 bfd_size_type namelen
;
2356 struct orl
*new_map
;
2358 /* This symbol will go into the archive header. */
2359 if (orl_count
== orl_max
)
2362 amt
= orl_max
* sizeof (struct orl
);
2363 new_map
= (struct orl
*) bfd_realloc (map
, amt
);
2364 if (new_map
== NULL
)
2370 if (strcmp (syms
[src_count
]->name
, "__gnu_lto_slim") == 0)
2371 (*_bfd_error_handler
)
2372 (_("%s: plugin needed to handle lto object"),
2373 bfd_get_filename (current
));
2374 namelen
= strlen (syms
[src_count
]->name
);
2375 amt
= sizeof (char *);
2376 map
[orl_count
].name
= (char **) bfd_alloc (arch
, amt
);
2377 if (map
[orl_count
].name
== NULL
)
2379 *(map
[orl_count
].name
) = (char *) bfd_alloc (arch
,
2381 if (*(map
[orl_count
].name
) == NULL
)
2383 strcpy (*(map
[orl_count
].name
), syms
[src_count
]->name
);
2384 map
[orl_count
].u
.abfd
= current
;
2385 map
[orl_count
].namidx
= stridx
;
2387 stridx
+= namelen
+ 1;
2393 /* Now ask the BFD to free up any cached information, so we
2394 don't fill all of memory with symbol tables. */
2395 if (! bfd_free_cached_info (current
))
2400 /* OK, now we have collected all the data, let's write them out. */
2401 ret
= BFD_SEND (arch
, write_armap
,
2402 (arch
, elength
, map
, orl_count
, stridx
));
2408 if (first_name
!= NULL
)
2409 bfd_release (arch
, first_name
);
2418 if (first_name
!= NULL
)
2419 bfd_release (arch
, first_name
);
2425 bsd_write_armap (bfd
*arch
,
2426 unsigned int elength
,
2428 unsigned int orl_count
,
2431 int padit
= stridx
& 1;
2432 unsigned int ranlibsize
= orl_count
* BSD_SYMDEF_SIZE
;
2433 unsigned int stringsize
= stridx
+ padit
;
2434 /* Include 8 bytes to store ranlibsize and stringsize in output. */
2435 unsigned int mapsize
= ranlibsize
+ stringsize
+ 8;
2437 bfd
*current
= arch
->archive_head
;
2438 bfd
*last_elt
= current
; /* Last element arch seen. */
2444 firstreal
= mapsize
+ elength
+ sizeof (struct ar_hdr
) + SARMAG
;
2446 /* If deterministic, we use 0 as the timestamp in the map.
2447 Some linkers may require that the archive filesystem modification
2448 time is less than (or near to) the archive map timestamp. Those
2449 linkers should not be used with deterministic mode. (GNU ld and
2450 Gold do not have this restriction.) */
2451 bfd_ardata (arch
)->armap_timestamp
= 0;
2454 if ((arch
->flags
& BFD_DETERMINISTIC_OUTPUT
) == 0)
2456 struct stat statbuf
;
2458 if (stat (arch
->filename
, &statbuf
) == 0)
2459 bfd_ardata (arch
)->armap_timestamp
= (statbuf
.st_mtime
2460 + ARMAP_TIME_OFFSET
);
2465 memset (&hdr
, ' ', sizeof (struct ar_hdr
));
2466 memcpy (hdr
.ar_name
, RANLIBMAG
, strlen (RANLIBMAG
));
2467 bfd_ardata (arch
)->armap_datepos
= (SARMAG
2468 + offsetof (struct ar_hdr
, ar_date
[0]));
2469 _bfd_ar_spacepad (hdr
.ar_date
, sizeof (hdr
.ar_date
), "%ld",
2470 bfd_ardata (arch
)->armap_timestamp
);
2471 _bfd_ar_spacepad (hdr
.ar_uid
, sizeof (hdr
.ar_uid
), "%ld", uid
);
2472 _bfd_ar_spacepad (hdr
.ar_gid
, sizeof (hdr
.ar_gid
), "%ld", gid
);
2473 if (!_bfd_ar_sizepad (hdr
.ar_size
, sizeof (hdr
.ar_size
), mapsize
))
2475 memcpy (hdr
.ar_fmag
, ARFMAG
, 2);
2476 if (bfd_bwrite (&hdr
, sizeof (struct ar_hdr
), arch
)
2477 != sizeof (struct ar_hdr
))
2479 H_PUT_32 (arch
, ranlibsize
, temp
);
2480 if (bfd_bwrite (temp
, sizeof (temp
), arch
) != sizeof (temp
))
2483 for (count
= 0; count
< orl_count
; count
++)
2485 unsigned int offset
;
2486 bfd_byte buf
[BSD_SYMDEF_SIZE
];
2488 if (map
[count
].u
.abfd
!= last_elt
)
2492 struct areltdata
*ared
= arch_eltdata (current
);
2494 firstreal
+= (ared
->parsed_size
+ ared
->extra_size
2495 + sizeof (struct ar_hdr
));
2496 firstreal
+= firstreal
% 2;
2497 current
= current
->archive_next
;
2499 while (current
!= map
[count
].u
.abfd
);
2502 /* The archive file format only has 4 bytes to store the offset
2503 of the member. Check to make sure that firstreal has not grown
2505 offset
= (unsigned int) firstreal
;
2506 if (firstreal
!= (file_ptr
) offset
)
2508 bfd_set_error (bfd_error_file_truncated
);
2513 H_PUT_32 (arch
, map
[count
].namidx
, buf
);
2514 H_PUT_32 (arch
, firstreal
, buf
+ BSD_SYMDEF_OFFSET_SIZE
);
2515 if (bfd_bwrite (buf
, BSD_SYMDEF_SIZE
, arch
)
2520 /* Now write the strings themselves. */
2521 H_PUT_32 (arch
, stringsize
, temp
);
2522 if (bfd_bwrite (temp
, sizeof (temp
), arch
) != sizeof (temp
))
2524 for (count
= 0; count
< orl_count
; count
++)
2526 size_t len
= strlen (*map
[count
].name
) + 1;
2528 if (bfd_bwrite (*map
[count
].name
, len
, arch
) != len
)
2532 /* The spec sez this should be a newline. But in order to be
2533 bug-compatible for sun's ar we use a null. */
2536 if (bfd_bwrite ("", 1, arch
) != 1)
2543 /* At the end of archive file handling, update the timestamp in the
2544 file, so the linker will accept it.
2546 Return TRUE if the timestamp was OK, or an unusual problem happened.
2547 Return FALSE if we updated the timestamp. */
2550 _bfd_archive_bsd_update_armap_timestamp (bfd
*arch
)
2552 struct stat archstat
;
2555 /* If creating deterministic archives, just leave the timestamp as-is. */
2556 if ((arch
->flags
& BFD_DETERMINISTIC_OUTPUT
) != 0)
2559 /* Flush writes, get last-write timestamp from file, and compare it
2560 to the timestamp IN the file. */
2562 if (bfd_stat (arch
, &archstat
) == -1)
2564 bfd_perror (_("Reading archive file mod timestamp"));
2566 /* Can't read mod time for some reason. */
2569 if (((long) archstat
.st_mtime
) <= bfd_ardata (arch
)->armap_timestamp
)
2570 /* OK by the linker's rules. */
2573 /* Update the timestamp. */
2574 bfd_ardata (arch
)->armap_timestamp
= archstat
.st_mtime
+ ARMAP_TIME_OFFSET
;
2576 /* Prepare an ASCII version suitable for writing. */
2577 memset (hdr
.ar_date
, ' ', sizeof (hdr
.ar_date
));
2578 _bfd_ar_spacepad (hdr
.ar_date
, sizeof (hdr
.ar_date
), "%ld",
2579 bfd_ardata (arch
)->armap_timestamp
);
2581 /* Write it into the file. */
2582 bfd_ardata (arch
)->armap_datepos
= (SARMAG
2583 + offsetof (struct ar_hdr
, ar_date
[0]));
2584 if (bfd_seek (arch
, bfd_ardata (arch
)->armap_datepos
, SEEK_SET
) != 0
2585 || (bfd_bwrite (hdr
.ar_date
, sizeof (hdr
.ar_date
), arch
)
2586 != sizeof (hdr
.ar_date
)))
2588 bfd_perror (_("Writing updated armap timestamp"));
2590 /* Some error while writing. */
2594 /* We updated the timestamp successfully. */
2598 /* A coff armap looks like :
2600 struct ar_hdr with name = '/'
2602 offset of file for symbol 0
2603 offset of file for symbol 1
2605 offset of file for symbol n-1
2612 coff_write_armap (bfd
*arch
,
2613 unsigned int elength
,
2615 unsigned int symbol_count
,
2618 /* The size of the ranlib is the number of exported symbols in the
2619 archive * the number of bytes in an int, + an int for the count. */
2620 unsigned int ranlibsize
= (symbol_count
* 4) + 4;
2621 unsigned int stringsize
= stridx
;
2622 unsigned int mapsize
= stringsize
+ ranlibsize
;
2623 file_ptr archive_member_file_ptr
;
2624 bfd
*current
= arch
->archive_head
;
2627 int padit
= mapsize
& 1;
2632 /* Work out where the first object file will go in the archive. */
2633 archive_member_file_ptr
= (mapsize
2635 + sizeof (struct ar_hdr
)
2638 memset (&hdr
, ' ', sizeof (struct ar_hdr
));
2639 hdr
.ar_name
[0] = '/';
2640 if (!_bfd_ar_sizepad (hdr
.ar_size
, sizeof (hdr
.ar_size
), mapsize
))
2642 _bfd_ar_spacepad (hdr
.ar_date
, sizeof (hdr
.ar_date
), "%ld",
2643 ((arch
->flags
& BFD_DETERMINISTIC_OUTPUT
) == 0
2644 ? time (NULL
) : 0));
2645 /* This, at least, is what Intel coff sets the values to. */
2646 _bfd_ar_spacepad (hdr
.ar_uid
, sizeof (hdr
.ar_uid
), "%ld", 0);
2647 _bfd_ar_spacepad (hdr
.ar_gid
, sizeof (hdr
.ar_gid
), "%ld", 0);
2648 _bfd_ar_spacepad (hdr
.ar_mode
, sizeof (hdr
.ar_mode
), "%-7lo", 0);
2649 memcpy (hdr
.ar_fmag
, ARFMAG
, 2);
2651 /* Write the ar header for this item and the number of symbols. */
2652 if (bfd_bwrite (&hdr
, sizeof (struct ar_hdr
), arch
)
2653 != sizeof (struct ar_hdr
))
2656 if (!bfd_write_bigendian_4byte_int (arch
, symbol_count
))
2659 /* Two passes, first write the file offsets for each symbol -
2660 remembering that each offset is on a two byte boundary. */
2662 /* Write out the file offset for the file associated with each
2663 symbol, and remember to keep the offsets padded out. */
2665 current
= arch
->archive_head
;
2667 while (current
!= NULL
&& count
< symbol_count
)
2669 /* For each symbol which is used defined in this object, write
2670 out the object file's address in the archive. */
2672 while (count
< symbol_count
&& map
[count
].u
.abfd
== current
)
2674 unsigned int offset
= (unsigned int) archive_member_file_ptr
;
2676 /* Catch an attempt to grow an archive past its 4Gb limit. */
2677 if (archive_member_file_ptr
!= (file_ptr
) offset
)
2679 bfd_set_error (bfd_error_file_truncated
);
2682 if (!bfd_write_bigendian_4byte_int (arch
, offset
))
2686 archive_member_file_ptr
+= sizeof (struct ar_hdr
);
2687 if (! bfd_is_thin_archive (arch
))
2689 /* Add size of this archive entry. */
2690 archive_member_file_ptr
+= arelt_size (current
);
2691 /* Remember about the even alignment. */
2692 archive_member_file_ptr
+= archive_member_file_ptr
% 2;
2694 current
= current
->archive_next
;
2697 /* Now write the strings themselves. */
2698 for (count
= 0; count
< symbol_count
; count
++)
2700 size_t len
= strlen (*map
[count
].name
) + 1;
2702 if (bfd_bwrite (*map
[count
].name
, len
, arch
) != len
)
2706 /* The spec sez this should be a newline. But in order to be
2707 bug-compatible for arc960 we use a null. */
2710 if (bfd_bwrite ("", 1, arch
) != 1)
2718 archive_close_worker (void **slot
, void *inf ATTRIBUTE_UNUSED
)
2720 struct ar_cache
*ent
= (struct ar_cache
*) *slot
;
2722 bfd_close_all_done (ent
->arbfd
);
2727 _bfd_archive_close_and_cleanup (bfd
*abfd
)
2729 if (bfd_read_p (abfd
) && abfd
->format
== bfd_archive
)
2735 /* Close nested archives (if this bfd is a thin archive). */
2736 for (nbfd
= abfd
->nested_archives
; nbfd
; nbfd
= next
)
2738 next
= nbfd
->archive_next
;
2742 htab
= bfd_ardata (abfd
)->cache
;
2745 htab_traverse_noresize (htab
, archive_close_worker
, NULL
);
2747 bfd_ardata (abfd
)->cache
= NULL
;
2750 if (arch_eltdata (abfd
) != NULL
)
2752 struct areltdata
*ared
= arch_eltdata (abfd
);
2753 htab_t htab
= (htab_t
) ared
->parent_cache
;
2757 struct ar_cache ent
;
2760 ent
.ptr
= ared
->key
;
2761 slot
= htab_find_slot (htab
, &ent
, NO_INSERT
);
2764 BFD_ASSERT (((struct ar_cache
*) *slot
)->arbfd
== abfd
);
2765 htab_clear_slot (htab
, slot
);
2769 if (abfd
->is_linker_output
)
2770 (*abfd
->link
.hash
->hash_table_free
) (abfd
);