1 /* BFD back-end for archive files (libraries).
2 Copyright (C) 1990-2016 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
);
315 /* Unfortunately this flag is set after checking that we have
316 an archive, and checking for an archive means one element has
317 sneaked into the cache. */
318 entry
->arbfd
->no_export
= arch_bfd
->no_export
;
326 hash_file_ptr (const void * p
)
328 return (hashval_t
) (((struct ar_cache
*) p
)->ptr
);
331 /* Returns non-zero if P1 and P2 are equal. */
334 eq_file_ptr (const void * p1
, const void * p2
)
336 struct ar_cache
*arc1
= (struct ar_cache
*) p1
;
337 struct ar_cache
*arc2
= (struct ar_cache
*) p2
;
338 return arc1
->ptr
== arc2
->ptr
;
341 /* The calloc function doesn't always take size_t (e.g. on VMS)
342 so wrap it to avoid a compile time warning. */
345 _bfd_calloc_wrapper (size_t a
, size_t b
)
347 return calloc (a
, b
);
350 /* Kind of stupid to call cons for each one, but we don't do too many. */
353 _bfd_add_bfd_to_archive_cache (bfd
*arch_bfd
, file_ptr filepos
, bfd
*new_elt
)
355 struct ar_cache
*cache
;
356 htab_t hash_table
= bfd_ardata (arch_bfd
)->cache
;
358 /* If the hash table hasn't been created, create it. */
359 if (hash_table
== NULL
)
361 hash_table
= htab_create_alloc (16, hash_file_ptr
, eq_file_ptr
,
362 NULL
, _bfd_calloc_wrapper
, free
);
363 if (hash_table
== NULL
)
365 bfd_ardata (arch_bfd
)->cache
= hash_table
;
368 /* Insert new_elt into the hash table by filepos. */
369 cache
= (struct ar_cache
*) bfd_zalloc (arch_bfd
, sizeof (struct ar_cache
));
370 cache
->ptr
= filepos
;
371 cache
->arbfd
= new_elt
;
372 *htab_find_slot (hash_table
, (const void *) cache
, INSERT
) = cache
;
374 /* Provide a means of accessing this from child. */
375 arch_eltdata (new_elt
)->parent_cache
= hash_table
;
376 arch_eltdata (new_elt
)->key
= filepos
;
382 open_nested_file (const char *filename
, bfd
*archive
)
388 if (!archive
->target_defaulted
)
389 target
= archive
->xvec
->name
;
390 n_bfd
= bfd_openr (filename
, target
);
393 n_bfd
->lto_output
= archive
->lto_output
;
394 n_bfd
->no_export
= archive
->no_export
;
400 find_nested_archive (const char *filename
, bfd
*arch_bfd
)
404 /* PR 15140: Don't allow a nested archive pointing to itself. */
405 if (filename_cmp (filename
, arch_bfd
->filename
) == 0)
407 bfd_set_error (bfd_error_malformed_archive
);
411 for (abfd
= arch_bfd
->nested_archives
;
413 abfd
= abfd
->archive_next
)
415 if (filename_cmp (filename
, abfd
->filename
) == 0)
418 abfd
= open_nested_file (filename
, arch_bfd
);
421 abfd
->archive_next
= arch_bfd
->nested_archives
;
422 arch_bfd
->nested_archives
= abfd
;
427 /* The name begins with space. Hence the rest of the name is an index into
431 get_extended_arelt_filename (bfd
*arch
, const char *name
, file_ptr
*originp
)
433 unsigned long table_index
= 0;
436 /* Should extract string so that I can guarantee not to overflow into
437 the next region, but I'm too lazy. */
439 /* Skip first char, which is '/' in SVR4 or ' ' in some other variants. */
440 table_index
= strtol (name
+ 1, (char **) &endp
, 10);
441 if (errno
!= 0 || table_index
>= bfd_ardata (arch
)->extended_names_size
)
443 bfd_set_error (bfd_error_malformed_archive
);
446 /* In a thin archive, a member of an archive-within-an-archive
447 will have the offset in the inner archive encoded here. */
448 if (bfd_is_thin_archive (arch
) && endp
!= NULL
&& *endp
== ':')
450 file_ptr origin
= strtol (endp
+ 1, NULL
, 10);
454 bfd_set_error (bfd_error_malformed_archive
);
462 return bfd_ardata (arch
)->extended_names
+ table_index
;
465 /* This functions reads an arch header and returns an areltdata pointer, or
468 Presumes the file pointer is already in the right place (ie pointing
469 to the ar_hdr in the file). Moves the file pointer; on success it
470 should be pointing to the front of the file contents; on failure it
471 could have been moved arbitrarily. */
474 _bfd_generic_read_ar_hdr (bfd
*abfd
)
476 return _bfd_generic_read_ar_hdr_mag (abfd
, NULL
);
479 /* Alpha ECOFF uses an optional different ARFMAG value, so we have a
480 variant of _bfd_generic_read_ar_hdr which accepts a magic string. */
483 _bfd_generic_read_ar_hdr_mag (bfd
*abfd
, const char *mag
)
486 char *hdrp
= (char *) &hdr
;
487 bfd_size_type parsed_size
;
488 struct areltdata
*ared
;
489 char *filename
= NULL
;
490 bfd_size_type namelen
= 0;
491 bfd_size_type allocsize
= sizeof (struct areltdata
) + sizeof (struct ar_hdr
);
494 unsigned int extra_size
= 0;
498 if (bfd_bread (hdrp
, sizeof (struct ar_hdr
), abfd
) != sizeof (struct ar_hdr
))
500 if (bfd_get_error () != bfd_error_system_call
)
501 bfd_set_error (bfd_error_no_more_archived_files
);
504 if (strncmp (hdr
.ar_fmag
, ARFMAG
, 2) != 0
506 || strncmp (hdr
.ar_fmag
, mag
, 2) != 0))
508 bfd_set_error (bfd_error_malformed_archive
);
513 fmag_save
= hdr
.ar_fmag
[0];
515 scan
= sscanf (hdr
.ar_size
, "%" BFD_VMA_FMT
"u", &parsed_size
);
516 hdr
.ar_fmag
[0] = fmag_save
;
519 bfd_set_error (bfd_error_malformed_archive
);
523 /* Extract the filename from the archive - there are two ways to
524 specify an extended name table, either the first char of the
525 name is a space, or it's a slash. */
526 if ((hdr
.ar_name
[0] == '/'
527 || (hdr
.ar_name
[0] == ' '
528 && memchr (hdr
.ar_name
, '/', ar_maxnamelen (abfd
)) == NULL
))
529 && bfd_ardata (abfd
)->extended_names
!= NULL
)
531 filename
= get_extended_arelt_filename (abfd
, hdr
.ar_name
, &origin
);
532 if (filename
== NULL
)
535 /* BSD4.4-style long filename. */
536 else if (is_bsd44_extended_name (hdr
.ar_name
))
538 /* BSD-4.4 extended name */
539 namelen
= atoi (&hdr
.ar_name
[3]);
540 allocsize
+= namelen
+ 1;
541 parsed_size
-= namelen
;
542 extra_size
= namelen
;
544 allocptr
= (char *) bfd_zmalloc (allocsize
);
545 if (allocptr
== NULL
)
548 + sizeof (struct areltdata
)
549 + sizeof (struct ar_hdr
));
550 if (bfd_bread (filename
, namelen
, abfd
) != namelen
)
553 if (bfd_get_error () != bfd_error_system_call
)
554 bfd_set_error (bfd_error_no_more_archived_files
);
557 filename
[namelen
] = '\0';
561 /* We judge the end of the name by looking for '/' or ' '.
562 Note: The SYSV format (terminated by '/') allows embedded
563 spaces, so only look for ' ' if we don't find '/'. */
566 e
= (char *) memchr (hdr
.ar_name
, '\0', ar_maxnamelen (abfd
));
569 e
= (char *) memchr (hdr
.ar_name
, '/', ar_maxnamelen (abfd
));
571 e
= (char *) memchr (hdr
.ar_name
, ' ', ar_maxnamelen (abfd
));
575 namelen
= e
- hdr
.ar_name
;
578 /* If we didn't find a termination character, then the name
579 must be the entire field. */
580 namelen
= ar_maxnamelen (abfd
);
583 allocsize
+= namelen
+ 1;
588 allocptr
= (char *) bfd_zmalloc (allocsize
);
589 if (allocptr
== NULL
)
593 ared
= (struct areltdata
*) allocptr
;
595 ared
->arch_header
= allocptr
+ sizeof (struct areltdata
);
596 memcpy (ared
->arch_header
, &hdr
, sizeof (struct ar_hdr
));
597 ared
->parsed_size
= parsed_size
;
598 ared
->extra_size
= extra_size
;
599 ared
->origin
= origin
;
601 if (filename
!= NULL
)
602 ared
->filename
= filename
;
605 ared
->filename
= allocptr
+ (sizeof (struct areltdata
) +
606 sizeof (struct ar_hdr
));
608 memcpy (ared
->filename
, hdr
.ar_name
, namelen
);
609 ared
->filename
[namelen
] = '\0';
615 /* Append the relative pathname for a member of the thin archive
616 to the pathname of the directory containing the archive. */
619 _bfd_append_relative_path (bfd
*arch
, char *elt_name
)
621 const char *arch_name
= arch
->filename
;
622 const char *base_name
= lbasename (arch_name
);
626 if (base_name
== arch_name
)
629 prefix_len
= base_name
- arch_name
;
630 filename
= (char *) bfd_alloc (arch
, prefix_len
+ strlen (elt_name
) + 1);
631 if (filename
== NULL
)
634 strncpy (filename
, arch_name
, prefix_len
);
635 strcpy (filename
+ prefix_len
, elt_name
);
639 /* This is an internal function; it's mainly used when indexing
640 through the archive symbol table, but also used to get the next
641 element, since it handles the bookkeeping so nicely for us. */
644 _bfd_get_elt_at_filepos (bfd
*archive
, file_ptr filepos
)
646 struct areltdata
*new_areldata
;
650 n_bfd
= _bfd_look_for_bfd_in_cache (archive
, filepos
);
654 if (0 > bfd_seek (archive
, filepos
, SEEK_SET
))
657 if ((new_areldata
= (struct areltdata
*) _bfd_read_ar_hdr (archive
)) == NULL
)
660 filename
= new_areldata
->filename
;
662 if (bfd_is_thin_archive (archive
))
664 /* This is a proxy entry for an external file. */
665 if (! IS_ABSOLUTE_PATH (filename
))
667 filename
= _bfd_append_relative_path (archive
, filename
);
668 if (filename
== NULL
)
675 if (new_areldata
->origin
> 0)
677 /* This proxy entry refers to an element of a nested archive.
678 Locate the member of that archive and return a bfd for it. */
679 bfd
*ext_arch
= find_nested_archive (filename
, archive
);
682 || ! bfd_check_format (ext_arch
, bfd_archive
))
687 n_bfd
= _bfd_get_elt_at_filepos (ext_arch
, new_areldata
->origin
);
693 n_bfd
->proxy_origin
= bfd_tell (archive
);
697 /* It's not an element of a nested archive;
698 open the external file as a bfd. */
699 n_bfd
= open_nested_file (filename
, archive
);
701 bfd_set_error (bfd_error_malformed_archive
);
705 n_bfd
= _bfd_create_empty_archive_element_shell (archive
);
714 n_bfd
->proxy_origin
= bfd_tell (archive
);
716 if (bfd_is_thin_archive (archive
))
722 n_bfd
->origin
= n_bfd
->proxy_origin
;
723 n_bfd
->filename
= xstrdup (filename
);
726 n_bfd
->arelt_data
= new_areldata
;
728 /* Copy BFD_COMPRESS, BFD_DECOMPRESS and BFD_COMPRESS_GABI flags. */
729 n_bfd
->flags
|= archive
->flags
& (BFD_COMPRESS
731 | BFD_COMPRESS_GABI
);
733 /* Copy is_linker_input. */
734 n_bfd
->is_linker_input
= archive
->is_linker_input
;
736 if (_bfd_add_bfd_to_archive_cache (archive
, filepos
, n_bfd
))
740 n_bfd
->arelt_data
= NULL
;
744 /* Return the BFD which is referenced by the symbol in ABFD indexed by
745 SYM_INDEX. SYM_INDEX should have been returned by bfd_get_next_mapent. */
748 _bfd_generic_get_elt_at_index (bfd
*abfd
, symindex sym_index
)
752 entry
= bfd_ardata (abfd
)->symdefs
+ sym_index
;
753 return _bfd_get_elt_at_filepos (abfd
, entry
->file_offset
);
758 bfd_openr_next_archived_file
761 bfd *bfd_openr_next_archived_file (bfd *archive, bfd *previous);
764 Provided a BFD, @var{archive}, containing an archive and NULL, open
765 an input BFD on the first contained element and returns that.
766 Subsequent calls should pass
767 the archive and the previous return value to return a created
768 BFD to the next contained element. NULL is returned when there
773 bfd_openr_next_archived_file (bfd
*archive
, bfd
*last_file
)
775 if ((bfd_get_format (archive
) != bfd_archive
)
776 || (archive
->direction
== write_direction
))
778 bfd_set_error (bfd_error_invalid_operation
);
782 return BFD_SEND (archive
,
783 openr_next_archived_file
, (archive
, last_file
));
787 bfd_generic_openr_next_archived_file (bfd
*archive
, bfd
*last_file
)
792 filestart
= bfd_ardata (archive
)->first_file_filepos
;
795 filestart
= last_file
->proxy_origin
;
796 if (! bfd_is_thin_archive (archive
))
798 bfd_size_type size
= arelt_size (last_file
);
801 /* Pad to an even boundary...
802 Note that last_file->origin can be odd in the case of
803 BSD-4.4-style element with a long odd size. */
804 filestart
+= filestart
% 2;
805 if (filestart
< last_file
->proxy_origin
)
807 /* Prevent looping. See PR19256. */
808 bfd_set_error (bfd_error_malformed_archive
);
814 return _bfd_get_elt_at_filepos (archive
, filestart
);
818 bfd_generic_archive_p (bfd
*abfd
)
820 struct artdata
*tdata_hold
;
821 char armag
[SARMAG
+ 1];
824 if (bfd_bread (armag
, SARMAG
, abfd
) != SARMAG
)
826 if (bfd_get_error () != bfd_error_system_call
)
827 bfd_set_error (bfd_error_wrong_format
);
831 bfd_is_thin_archive (abfd
) = (strncmp (armag
, ARMAGT
, SARMAG
) == 0);
833 if (strncmp (armag
, ARMAG
, SARMAG
) != 0
834 && strncmp (armag
, ARMAGB
, SARMAG
) != 0
835 && ! bfd_is_thin_archive (abfd
))
838 tdata_hold
= bfd_ardata (abfd
);
840 amt
= sizeof (struct artdata
);
841 bfd_ardata (abfd
) = (struct artdata
*) bfd_zalloc (abfd
, amt
);
842 if (bfd_ardata (abfd
) == NULL
)
844 bfd_ardata (abfd
) = tdata_hold
;
848 bfd_ardata (abfd
)->first_file_filepos
= SARMAG
;
849 /* Cleared by bfd_zalloc above.
850 bfd_ardata (abfd)->cache = NULL;
851 bfd_ardata (abfd)->archive_head = NULL;
852 bfd_ardata (abfd)->symdefs = NULL;
853 bfd_ardata (abfd)->extended_names = NULL;
854 bfd_ardata (abfd)->extended_names_size = 0;
855 bfd_ardata (abfd)->tdata = NULL; */
857 if (!BFD_SEND (abfd
, _bfd_slurp_armap
, (abfd
))
858 || !BFD_SEND (abfd
, _bfd_slurp_extended_name_table
, (abfd
)))
860 if (bfd_get_error () != bfd_error_system_call
)
861 bfd_set_error (bfd_error_wrong_format
);
862 bfd_release (abfd
, bfd_ardata (abfd
));
863 bfd_ardata (abfd
) = tdata_hold
;
867 if (abfd
->target_defaulted
&& bfd_has_map (abfd
))
871 /* This archive has a map, so we may presume that the contents
872 are object files. Make sure that if the first file in the
873 archive can be recognized as an object file, it is for this
874 target. If not, assume that this is the wrong format. If
875 the first file is not an object file, somebody is doing
876 something weird, and we permit it so that ar -t will work.
878 This is done because any normal format will recognize any
879 normal archive, regardless of the format of the object files.
880 We do accept an empty archive. */
882 first
= bfd_openr_next_archived_file (abfd
, NULL
);
885 first
->target_defaulted
= FALSE
;
886 if (bfd_check_format (first
, bfd_object
)
887 && first
->xvec
!= abfd
->xvec
)
888 bfd_set_error (bfd_error_wrong_object_format
);
889 /* And we ought to close `first' here too. */
896 /* Some constants for a 32 bit BSD archive structure. We do not
897 support 64 bit archives presently; so far as I know, none actually
898 exist. Supporting them would require changing these constants, and
899 changing some H_GET_32 to H_GET_64. */
901 /* The size of an external symdef structure. */
902 #define BSD_SYMDEF_SIZE 8
904 /* The offset from the start of a symdef structure to the file offset. */
905 #define BSD_SYMDEF_OFFSET_SIZE 4
907 /* The size of the symdef count. */
908 #define BSD_SYMDEF_COUNT_SIZE 4
910 /* The size of the string count. */
911 #define BSD_STRING_COUNT_SIZE 4
913 /* Read a BSD-style archive symbol table. Returns FALSE on error,
917 do_slurp_bsd_armap (bfd
*abfd
)
919 struct areltdata
*mapdata
;
920 unsigned int counter
;
921 bfd_byte
*raw_armap
, *rbase
;
922 struct artdata
*ardata
= bfd_ardata (abfd
);
924 bfd_size_type parsed_size
, amt
;
927 mapdata
= (struct areltdata
*) _bfd_read_ar_hdr (abfd
);
930 parsed_size
= mapdata
->parsed_size
;
932 /* PR 17512: file: 883ff754. */
933 /* PR 17512: file: 0458885f. */
937 raw_armap
= (bfd_byte
*) bfd_zalloc (abfd
, parsed_size
);
938 if (raw_armap
== NULL
)
941 if (bfd_bread (raw_armap
, parsed_size
, abfd
) != parsed_size
)
943 if (bfd_get_error () != bfd_error_system_call
)
944 bfd_set_error (bfd_error_malformed_archive
);
946 bfd_release (abfd
, raw_armap
);
950 ardata
->symdef_count
= H_GET_32 (abfd
, raw_armap
) / BSD_SYMDEF_SIZE
;
951 if (ardata
->symdef_count
* BSD_SYMDEF_SIZE
>
952 parsed_size
- BSD_SYMDEF_COUNT_SIZE
)
954 /* Probably we're using the wrong byte ordering. */
955 bfd_set_error (bfd_error_wrong_format
);
960 rbase
= raw_armap
+ BSD_SYMDEF_COUNT_SIZE
;
961 stringbase
= ((char *) rbase
962 + ardata
->symdef_count
* BSD_SYMDEF_SIZE
963 + BSD_STRING_COUNT_SIZE
);
964 amt
= ardata
->symdef_count
* sizeof (carsym
);
965 ardata
->symdefs
= (struct carsym
*) bfd_alloc (abfd
, amt
);
966 if (!ardata
->symdefs
)
969 for (counter
= 0, set
= ardata
->symdefs
;
970 counter
< ardata
->symdef_count
;
971 counter
++, set
++, rbase
+= BSD_SYMDEF_SIZE
)
973 set
->name
= H_GET_32 (abfd
, rbase
) + stringbase
;
974 set
->file_offset
= H_GET_32 (abfd
, rbase
+ BSD_SYMDEF_OFFSET_SIZE
);
977 ardata
->first_file_filepos
= bfd_tell (abfd
);
978 /* Pad to an even boundary if you have to. */
979 ardata
->first_file_filepos
+= (ardata
->first_file_filepos
) % 2;
980 /* FIXME, we should provide some way to free raw_ardata when
981 we are done using the strings from it. For now, it seems
982 to be allocated on an objalloc anyway... */
983 bfd_has_map (abfd
) = TRUE
;
987 /* Read a COFF archive symbol table. Returns FALSE on error, TRUE
991 do_slurp_coff_armap (bfd
*abfd
)
993 struct areltdata
*mapdata
;
994 int *raw_armap
, *rawptr
;
995 struct artdata
*ardata
= bfd_ardata (abfd
);
997 bfd_size_type stringsize
;
998 bfd_size_type parsed_size
;
1000 bfd_size_type nsymz
; /* Number of symbols in armap. */
1001 bfd_vma (*swap
) (const void *);
1002 char int_buf
[sizeof (long)];
1003 bfd_size_type carsym_size
, ptrsize
;
1006 mapdata
= (struct areltdata
*) _bfd_read_ar_hdr (abfd
);
1007 if (mapdata
== NULL
)
1009 parsed_size
= mapdata
->parsed_size
;
1012 if (bfd_bread (int_buf
, 4, abfd
) != 4)
1014 if (bfd_get_error () != bfd_error_system_call
)
1015 bfd_set_error (bfd_error_malformed_archive
);
1018 /* It seems that all numeric information in a coff archive is always
1019 in big endian format, nomatter the host or target. */
1021 nsymz
= bfd_getb32 (int_buf
);
1022 stringsize
= parsed_size
- (4 * nsymz
) - 4;
1024 /* ... except that some archive formats are broken, and it may be our
1025 fault - the i960 little endian coff sometimes has big and sometimes
1026 little, because our tools changed. Here's a horrible hack to clean
1029 if (stringsize
> 0xfffff
1030 && bfd_get_arch (abfd
) == bfd_arch_i960
1031 && bfd_get_flavour (abfd
) == bfd_target_coff_flavour
)
1033 /* This looks dangerous, let's do it the other way around. */
1034 nsymz
= bfd_getl32 (int_buf
);
1035 stringsize
= parsed_size
- (4 * nsymz
) - 4;
1039 /* The coff armap must be read sequentially. So we construct a
1040 bsd-style one in core all at once, for simplicity. */
1042 if (nsymz
> ~ (bfd_size_type
) 0 / sizeof (carsym
))
1045 carsym_size
= (nsymz
* sizeof (carsym
));
1046 ptrsize
= (4 * nsymz
);
1048 if (carsym_size
+ stringsize
+ 1 <= carsym_size
)
1051 ardata
->symdefs
= (struct carsym
*) bfd_zalloc (abfd
,
1052 carsym_size
+ stringsize
+ 1);
1053 if (ardata
->symdefs
== NULL
)
1055 carsyms
= ardata
->symdefs
;
1056 stringbase
= ((char *) ardata
->symdefs
) + carsym_size
;
1058 /* Allocate and read in the raw offsets. */
1059 raw_armap
= (int *) bfd_alloc (abfd
, ptrsize
);
1060 if (raw_armap
== NULL
)
1061 goto release_symdefs
;
1062 if (bfd_bread (raw_armap
, ptrsize
, abfd
) != ptrsize
1063 || (bfd_bread (stringbase
, stringsize
, abfd
) != stringsize
))
1065 if (bfd_get_error () != bfd_error_system_call
)
1066 bfd_set_error (bfd_error_malformed_archive
);
1067 goto release_raw_armap
;
1070 /* OK, build the carsyms. */
1071 for (i
= 0; i
< nsymz
&& stringsize
> 0; i
++)
1075 rawptr
= raw_armap
+ i
;
1076 carsyms
->file_offset
= swap ((bfd_byte
*) rawptr
);
1077 carsyms
->name
= stringbase
;
1078 /* PR 17512: file: 4a1d50c1. */
1079 len
= strnlen (stringbase
, stringsize
);
1080 if (len
< stringsize
)
1088 ardata
->symdef_count
= nsymz
;
1089 ardata
->first_file_filepos
= bfd_tell (abfd
);
1090 /* Pad to an even boundary if you have to. */
1091 ardata
->first_file_filepos
+= (ardata
->first_file_filepos
) % 2;
1093 bfd_has_map (abfd
) = TRUE
;
1094 bfd_release (abfd
, raw_armap
);
1096 /* Check for a second archive header (as used by PE). */
1098 struct areltdata
*tmp
;
1100 bfd_seek (abfd
, ardata
->first_file_filepos
, SEEK_SET
);
1101 tmp
= (struct areltdata
*) _bfd_read_ar_hdr (abfd
);
1104 if (tmp
->arch_header
[0] == '/'
1105 && tmp
->arch_header
[1] == ' ')
1107 ardata
->first_file_filepos
+=
1108 (tmp
->parsed_size
+ sizeof (struct ar_hdr
) + 1) & ~(unsigned) 1;
1117 bfd_release (abfd
, raw_armap
);
1119 bfd_release (abfd
, (ardata
)->symdefs
);
1123 /* This routine can handle either coff-style or bsd-style armaps
1124 (archive symbol table). Returns FALSE on error, TRUE otherwise */
1127 bfd_slurp_armap (bfd
*abfd
)
1130 int i
= bfd_bread (nextname
, 16, abfd
);
1137 if (bfd_seek (abfd
, (file_ptr
) -16, SEEK_CUR
) != 0)
1140 if (CONST_STRNEQ (nextname
, "__.SYMDEF ")
1141 || CONST_STRNEQ (nextname
, "__.SYMDEF/ ")) /* Old Linux archives. */
1142 return do_slurp_bsd_armap (abfd
);
1143 else if (CONST_STRNEQ (nextname
, "/ "))
1144 return do_slurp_coff_armap (abfd
);
1145 else if (CONST_STRNEQ (nextname
, "/SYM64/ "))
1147 /* 64bit (Irix 6) archive. */
1149 return _bfd_archive_64_bit_slurp_armap (abfd
);
1151 bfd_set_error (bfd_error_wrong_format
);
1155 else if (CONST_STRNEQ (nextname
, "#1/20 "))
1157 /* Mach-O has a special name for armap when the map is sorted by name.
1158 However because this name has a space it is slightly more difficult
1163 if (bfd_bread (&hdr
, sizeof (hdr
), abfd
) != sizeof (hdr
))
1165 /* Read the extended name. We know its length. */
1166 if (bfd_bread (extname
, 20, abfd
) != 20)
1168 if (bfd_seek (abfd
, -(file_ptr
) (sizeof (hdr
) + 20), SEEK_CUR
) != 0)
1171 if (CONST_STRNEQ (extname
, "__.SYMDEF SORTED")
1172 || CONST_STRNEQ (extname
, "__.SYMDEF"))
1173 return do_slurp_bsd_armap (abfd
);
1176 bfd_has_map (abfd
) = FALSE
;
1180 /* Returns FALSE on error, TRUE otherwise. */
1181 /* Flavor 2 of a bsd armap, similar to bfd_slurp_bsd_armap except the
1182 header is in a slightly different order and the map name is '/'.
1183 This flavour is used by hp300hpux. */
1185 #define HPUX_SYMDEF_COUNT_SIZE 2
1188 bfd_slurp_bsd_armap_f2 (bfd
*abfd
)
1190 struct areltdata
*mapdata
;
1192 unsigned int counter
;
1193 bfd_byte
*raw_armap
, *rbase
;
1194 struct artdata
*ardata
= bfd_ardata (abfd
);
1196 unsigned int stringsize
;
1200 int i
= bfd_bread (nextname
, 16, abfd
);
1207 /* The archive has at least 16 bytes in it. */
1208 if (bfd_seek (abfd
, (file_ptr
) -16, SEEK_CUR
) != 0)
1211 if (CONST_STRNEQ (nextname
, "__.SYMDEF ")
1212 || CONST_STRNEQ (nextname
, "__.SYMDEF/ ")) /* Old Linux archives. */
1213 return do_slurp_bsd_armap (abfd
);
1215 if (! CONST_STRNEQ (nextname
, "/ "))
1217 bfd_has_map (abfd
) = FALSE
;
1221 mapdata
= (struct areltdata
*) _bfd_read_ar_hdr (abfd
);
1222 if (mapdata
== NULL
)
1225 if (mapdata
->parsed_size
< HPUX_SYMDEF_COUNT_SIZE
+ BSD_STRING_COUNT_SIZE
)
1229 bfd_set_error (bfd_error_wrong_format
);
1233 left
= mapdata
->parsed_size
- HPUX_SYMDEF_COUNT_SIZE
- BSD_STRING_COUNT_SIZE
;
1235 amt
= mapdata
->parsed_size
;
1238 raw_armap
= (bfd_byte
*) bfd_zalloc (abfd
, amt
);
1239 if (raw_armap
== NULL
)
1242 if (bfd_bread (raw_armap
, amt
, abfd
) != amt
)
1244 if (bfd_get_error () != bfd_error_system_call
)
1245 bfd_set_error (bfd_error_malformed_archive
);
1249 ardata
->symdef_count
= H_GET_16 (abfd
, raw_armap
);
1253 stringsize
= H_GET_32 (abfd
, raw_armap
+ HPUX_SYMDEF_COUNT_SIZE
);
1254 if (stringsize
> left
)
1258 /* Skip sym count and string sz. */
1259 stringbase
= ((char *) raw_armap
1260 + HPUX_SYMDEF_COUNT_SIZE
1261 + BSD_STRING_COUNT_SIZE
);
1262 rbase
= (bfd_byte
*) stringbase
+ stringsize
;
1263 amt
= ardata
->symdef_count
* BSD_SYMDEF_SIZE
;
1267 ardata
->symdefs
= (struct carsym
*) bfd_alloc (abfd
, amt
);
1268 if (!ardata
->symdefs
)
1271 for (counter
= 0, set
= ardata
->symdefs
;
1272 counter
< ardata
->symdef_count
;
1273 counter
++, set
++, rbase
+= BSD_SYMDEF_SIZE
)
1275 set
->name
= H_GET_32 (abfd
, rbase
) + stringbase
;
1276 set
->file_offset
= H_GET_32 (abfd
, rbase
+ BSD_SYMDEF_OFFSET_SIZE
);
1279 ardata
->first_file_filepos
= bfd_tell (abfd
);
1280 /* Pad to an even boundary if you have to. */
1281 ardata
->first_file_filepos
+= (ardata
->first_file_filepos
) % 2;
1282 /* FIXME, we should provide some way to free raw_ardata when
1283 we are done using the strings from it. For now, it seems
1284 to be allocated on an objalloc anyway... */
1285 bfd_has_map (abfd
) = TRUE
;
1289 /** Extended name table.
1291 Normally archives support only 14-character filenames.
1293 Intel has extended the format: longer names are stored in a special
1294 element (the first in the archive, or second if there is an armap);
1295 the name in the ar_hdr is replaced by <space><index into filename
1296 element>. Index is the P.R. of an int (decimal). Data General have
1297 extended the format by using the prefix // for the special element. */
1299 /* Returns FALSE on error, TRUE otherwise. */
1302 _bfd_slurp_extended_name_table (bfd
*abfd
)
1305 struct areltdata
*namedata
;
1308 /* FIXME: Formatting sucks here, and in case of failure of BFD_READ,
1309 we probably don't want to return TRUE. */
1310 if (bfd_seek (abfd
, bfd_ardata (abfd
)->first_file_filepos
, SEEK_SET
) != 0)
1313 if (bfd_bread (nextname
, 16, abfd
) == 16)
1315 if (bfd_seek (abfd
, (file_ptr
) -16, SEEK_CUR
) != 0)
1318 if (! CONST_STRNEQ (nextname
, "ARFILENAMES/ ")
1319 && ! CONST_STRNEQ (nextname
, "// "))
1321 bfd_ardata (abfd
)->extended_names
= NULL
;
1322 bfd_ardata (abfd
)->extended_names_size
= 0;
1326 namedata
= (struct areltdata
*) _bfd_read_ar_hdr (abfd
);
1327 if (namedata
== NULL
)
1330 amt
= namedata
->parsed_size
;
1334 bfd_ardata (abfd
)->extended_names_size
= amt
;
1335 bfd_ardata (abfd
)->extended_names
= (char *) bfd_zalloc (abfd
, amt
+ 1);
1336 if (bfd_ardata (abfd
)->extended_names
== NULL
)
1340 bfd_ardata (abfd
)->extended_names
= NULL
;
1341 bfd_ardata (abfd
)->extended_names_size
= 0;
1345 if (bfd_bread (bfd_ardata (abfd
)->extended_names
, amt
, abfd
) != amt
)
1347 if (bfd_get_error () != bfd_error_system_call
)
1348 bfd_set_error (bfd_error_malformed_archive
);
1349 bfd_release (abfd
, (bfd_ardata (abfd
)->extended_names
));
1350 bfd_ardata (abfd
)->extended_names
= NULL
;
1354 /* Since the archive is supposed to be printable if it contains
1355 text, the entries in the list are newline-padded, not null
1356 padded. In SVR4-style archives, the names also have a
1357 trailing '/'. DOS/NT created archive often have \ in them
1358 We'll fix all problems here. */
1360 char *ext_names
= bfd_ardata (abfd
)->extended_names
;
1361 char *temp
= ext_names
;
1362 char *limit
= temp
+ namedata
->parsed_size
;
1364 for (; temp
< limit
; ++temp
)
1366 if (*temp
== ARFMAG
[1])
1367 temp
[temp
> ext_names
&& temp
[-1] == '/' ? -1 : 0] = '\0';
1374 /* Pad to an even boundary if you have to. */
1375 bfd_ardata (abfd
)->first_file_filepos
= bfd_tell (abfd
);
1376 bfd_ardata (abfd
)->first_file_filepos
+=
1377 (bfd_ardata (abfd
)->first_file_filepos
) % 2;
1386 /* Return a copy of the stuff in the filename between any :]> and a
1390 normalize (bfd
*abfd
, const char *file
)
1396 first
= file
+ strlen (file
) - 1;
1399 while (first
!= file
)
1403 if (*first
== ':' || *first
== ']' || *first
== '>')
1411 copy
= bfd_alloc (abfd
, last
- first
+ 1);
1415 memcpy (copy
, first
, last
- first
);
1416 copy
[last
- first
] = 0;
1423 normalize (bfd
*abfd ATTRIBUTE_UNUSED
, const char *file
)
1425 return lbasename (file
);
1429 /* Adjust a relative path name based on the reference path.
1432 Relative path Reference path Result
1433 ------------- -------------- ------
1435 foo/bar.o lib.a foo/bar.o
1436 bar.o foo/lib.a ../bar.o
1437 foo/bar.o baz/lib.a ../foo/bar.o
1438 bar.o ../lib.a <parent of current dir>/bar.o
1439 ; ../bar.o ../lib.a bar.o
1440 ; ../bar.o lib.a ../bar.o
1441 foo/bar.o ../lib.a <parent of current dir>/foo/bar.o
1442 bar.o ../../lib.a <grandparent>/<parent>/bar.o
1443 bar.o foo/baz/lib.a ../../bar.o
1445 Note - the semicolons above are there to prevent the BFD chew
1446 utility from interpreting those lines as prototypes to put into
1447 the autogenerated bfd.h header...
1449 Note - the string is returned in a static buffer. */
1452 adjust_relative_path (const char * path
, const char * ref_path
)
1454 static char *pathbuf
= NULL
;
1455 static unsigned int pathbuf_len
= 0;
1461 unsigned int dir_up
= 0;
1462 unsigned int dir_down
= 0;
1464 char * pwd
= getpwd ();
1467 /* Remove symlinks, '.' and '..' from the paths, if possible. */
1468 lpath
= lrealpath (path
);
1469 pathp
= lpath
== NULL
? path
: lpath
;
1471 rpath
= lrealpath (ref_path
);
1472 refp
= rpath
== NULL
? ref_path
: rpath
;
1474 /* Remove common leading path elements. */
1477 const char *e1
= pathp
;
1478 const char *e2
= refp
;
1480 while (*e1
&& ! IS_DIR_SEPARATOR (*e1
))
1482 while (*e2
&& ! IS_DIR_SEPARATOR (*e2
))
1484 if (*e1
== '\0' || *e2
== '\0' || e1
- pathp
!= e2
- refp
1485 || filename_ncmp (pathp
, refp
, e1
- pathp
) != 0)
1491 len
= strlen (pathp
) + 1;
1492 /* For each leading path element in the reference path,
1493 insert "../" into the path. */
1494 for (; *refp
; ++refp
)
1495 if (IS_DIR_SEPARATOR (*refp
))
1497 /* PR 12710: If the path element is "../" then instead of
1498 inserting "../" we need to insert the name of the directory
1499 at the current level. */
1500 if (refp
> ref_path
+ 1
1508 /* If the lrealpath calls above succeeded then we should never
1509 see dir_up and dir_down both being non-zero. */
1515 down
= pwd
+ strlen (pwd
) - 1;
1517 while (dir_down
&& down
> pwd
)
1519 if (IS_DIR_SEPARATOR (*down
))
1522 BFD_ASSERT (dir_down
== 0);
1523 len
+= strlen (down
) + 1;
1528 if (len
> pathbuf_len
)
1530 if (pathbuf
!= NULL
)
1533 pathbuf
= (char *) bfd_malloc (len
);
1534 if (pathbuf
== NULL
)
1540 while (dir_up
-- > 0)
1542 /* FIXME: Support Windows style path separators as well. */
1543 strcpy (newp
, "../");
1548 sprintf (newp
, "%s/%s", down
, pathp
);
1550 strcpy (newp
, pathp
);
1558 /* Build a BFD style extended name table. */
1561 _bfd_archive_bsd_construct_extended_name_table (bfd
*abfd
,
1563 bfd_size_type
*tablen
,
1566 *name
= "ARFILENAMES/";
1567 return _bfd_construct_extended_name_table (abfd
, FALSE
, tabloc
, tablen
);
1570 /* Build an SVR4 style extended name table. */
1573 _bfd_archive_coff_construct_extended_name_table (bfd
*abfd
,
1575 bfd_size_type
*tablen
,
1579 return _bfd_construct_extended_name_table (abfd
, TRUE
, tabloc
, tablen
);
1582 /* Follows archive_head and produces an extended name table if
1583 necessary. Returns (in tabloc) a pointer to an extended name
1584 table, and in tablen the length of the table. If it makes an entry
1585 it clobbers the filename so that the element may be written without
1586 further massage. Returns TRUE if it ran successfully, FALSE if
1587 something went wrong. A successful return may still involve a
1588 zero-length tablen! */
1591 _bfd_construct_extended_name_table (bfd
*abfd
,
1592 bfd_boolean trailing_slash
,
1594 bfd_size_type
*tablen
)
1596 unsigned int maxname
= ar_maxnamelen (abfd
);
1597 bfd_size_type total_namelen
= 0;
1600 const char *last_filename
;
1604 last_filename
= NULL
;
1606 /* Figure out how long the table should be. */
1607 for (current
= abfd
->archive_head
;
1609 current
= current
->archive_next
)
1612 unsigned int thislen
;
1614 if (bfd_is_thin_archive (abfd
))
1616 const char *filename
= current
->filename
;
1618 /* If the element being added is a member of another archive
1619 (i.e., we are flattening), use the containing archive's name. */
1620 if (current
->my_archive
1621 && ! bfd_is_thin_archive (current
->my_archive
))
1622 filename
= current
->my_archive
->filename
;
1624 /* If the path is the same as the previous path seen,
1625 reuse it. This can happen when flattening a thin
1626 archive that contains other archives. */
1627 if (last_filename
&& filename_cmp (last_filename
, filename
) == 0)
1630 last_filename
= filename
;
1632 /* If the path is relative, adjust it relative to
1633 the containing archive. */
1634 if (! IS_ABSOLUTE_PATH (filename
)
1635 && ! IS_ABSOLUTE_PATH (abfd
->filename
))
1636 normal
= adjust_relative_path (filename
, abfd
->filename
);
1640 /* In a thin archive, always store the full pathname
1641 in the extended name table. */
1642 total_namelen
+= strlen (normal
) + 1;
1644 /* Leave room for trailing slash. */
1650 normal
= normalize (current
, current
->filename
);
1654 thislen
= strlen (normal
);
1656 if (thislen
> maxname
1657 && (bfd_get_file_flags (abfd
) & BFD_TRADITIONAL_FORMAT
) != 0)
1660 if (thislen
> maxname
)
1662 /* Add one to leave room for \n. */
1663 total_namelen
+= thislen
+ 1;
1666 /* Leave room for trailing slash. */
1672 struct ar_hdr
*hdr
= arch_hdr (current
);
1673 if (filename_ncmp (normal
, hdr
->ar_name
, thislen
) != 0
1674 || (thislen
< sizeof hdr
->ar_name
1675 && hdr
->ar_name
[thislen
] != ar_padchar (current
)))
1677 /* Must have been using extended format even though it
1678 didn't need to. Fix it to use normal format. */
1679 memcpy (hdr
->ar_name
, normal
, thislen
);
1680 if (thislen
< maxname
1681 || (thislen
== maxname
&& thislen
< sizeof hdr
->ar_name
))
1682 hdr
->ar_name
[thislen
] = ar_padchar (current
);
1687 if (total_namelen
== 0)
1690 *tabloc
= (char *) bfd_zalloc (abfd
, total_namelen
);
1691 if (*tabloc
== NULL
)
1694 *tablen
= total_namelen
;
1697 last_filename
= NULL
;
1700 for (current
= abfd
->archive_head
;
1702 current
= current
->archive_next
)
1705 unsigned int thislen
;
1707 const char *filename
= current
->filename
;
1709 if (bfd_is_thin_archive (abfd
))
1711 /* If the element being added is a member of another archive
1712 (i.e., we are flattening), use the containing archive's name. */
1713 if (current
->my_archive
1714 && ! bfd_is_thin_archive (current
->my_archive
))
1715 filename
= current
->my_archive
->filename
;
1716 /* If the path is the same as the previous path seen,
1717 reuse it. This can happen when flattening a thin
1718 archive that contains other archives.
1719 If the path is relative, adjust it relative to
1720 the containing archive. */
1721 if (last_filename
&& filename_cmp (last_filename
, filename
) == 0)
1722 normal
= last_filename
;
1723 else if (! IS_ABSOLUTE_PATH (filename
)
1724 && ! IS_ABSOLUTE_PATH (abfd
->filename
))
1725 normal
= adjust_relative_path (filename
, abfd
->filename
);
1731 normal
= normalize (current
, filename
);
1736 thislen
= strlen (normal
);
1737 if (thislen
> maxname
|| bfd_is_thin_archive (abfd
))
1739 /* Works for now; may need to be re-engineered if we
1740 encounter an oddball archive format and want to
1741 generalise this hack. */
1742 struct ar_hdr
*hdr
= arch_hdr (current
);
1743 if (normal
== last_filename
)
1744 stroff
= last_stroff
;
1747 strcpy (strptr
, normal
);
1748 if (! trailing_slash
)
1749 strptr
[thislen
] = ARFMAG
[1];
1752 strptr
[thislen
] = '/';
1753 strptr
[thislen
+ 1] = ARFMAG
[1];
1755 stroff
= strptr
- *tabloc
;
1756 last_stroff
= stroff
;
1758 hdr
->ar_name
[0] = ar_padchar (current
);
1759 if (bfd_is_thin_archive (abfd
) && current
->origin
> 0)
1761 int len
= snprintf (hdr
->ar_name
+ 1, maxname
- 1, "%-ld:",
1763 _bfd_ar_spacepad (hdr
->ar_name
+ 1 + len
, maxname
- 1 - len
,
1765 current
->origin
- sizeof (struct ar_hdr
));
1768 _bfd_ar_spacepad (hdr
->ar_name
+ 1, maxname
- 1, "%-ld", stroff
);
1769 if (normal
!= last_filename
)
1771 strptr
+= thislen
+ 1;
1774 last_filename
= filename
;
1782 /* Do not construct an extended name table but transforms name field into
1783 its extended form. */
1786 _bfd_archive_bsd44_construct_extended_name_table (bfd
*abfd
,
1788 bfd_size_type
*tablen
,
1791 unsigned int maxname
= ar_maxnamelen (abfd
);
1798 for (current
= abfd
->archive_head
;
1800 current
= current
->archive_next
)
1802 const char *normal
= normalize (current
, current
->filename
);
1809 for (len
= 0; normal
[len
]; len
++)
1810 if (normal
[len
] == ' ')
1813 if (len
> maxname
|| has_space
)
1815 struct ar_hdr
*hdr
= arch_hdr (current
);
1817 len
= (len
+ 3) & ~3;
1818 arch_eltdata (current
)->extra_size
= len
;
1819 _bfd_ar_spacepad (hdr
->ar_name
, maxname
, "#1/%lu", len
);
1826 /* Write an archive header. */
1829 _bfd_generic_write_ar_hdr (bfd
*archive
, bfd
*abfd
)
1831 struct ar_hdr
*hdr
= arch_hdr (abfd
);
1833 if (bfd_bwrite (hdr
, sizeof (*hdr
), archive
) != sizeof (*hdr
))
1838 /* Write an archive header using BSD4.4 convention. */
1841 _bfd_bsd44_write_ar_hdr (bfd
*archive
, bfd
*abfd
)
1843 struct ar_hdr
*hdr
= arch_hdr (abfd
);
1845 if (is_bsd44_extended_name (hdr
->ar_name
))
1847 /* This is a BSD 4.4 extended name. */
1848 const char *fullname
= normalize (abfd
, abfd
->filename
);
1849 unsigned int len
= strlen (fullname
);
1850 unsigned int padded_len
= (len
+ 3) & ~3;
1852 BFD_ASSERT (padded_len
== arch_eltdata (abfd
)->extra_size
);
1854 if (!_bfd_ar_sizepad (hdr
->ar_size
, sizeof (hdr
->ar_size
),
1855 arch_eltdata (abfd
)->parsed_size
+ padded_len
))
1858 if (bfd_bwrite (hdr
, sizeof (*hdr
), archive
) != sizeof (*hdr
))
1861 if (bfd_bwrite (fullname
, len
, archive
) != len
)
1866 static const char pad
[3] = { 0, 0, 0 };
1868 len
= 4 - (len
& 3);
1869 if (bfd_bwrite (pad
, len
, archive
) != len
)
1875 if (bfd_bwrite (hdr
, sizeof (*hdr
), archive
) != sizeof (*hdr
))
1881 /* A couple of functions for creating ar_hdrs. */
1883 #ifdef HPUX_LARGE_AR_IDS
1884 /* Function to encode large UID/GID values according to HP. */
1887 hpux_uid_gid_encode (char str
[6], long int id
)
1891 str
[5] = '@' + (id
& 3);
1894 for (cnt
= 4; cnt
>= 0; --cnt
, id
>>= 6)
1895 str
[cnt
] = ' ' + (id
& 0x3f);
1897 #endif /* HPUX_LARGE_AR_IDS */
1907 /* Takes a filename, returns an arelt_data for it, or NULL if it can't
1908 make one. The filename must refer to a filename in the filesystem.
1909 The filename field of the ar_hdr will NOT be initialized. If member
1910 is set, and it's an in-memory bfd, we fake it. */
1912 static struct areltdata
*
1913 bfd_ar_hdr_from_filesystem (bfd
*abfd
, const char *filename
, bfd
*member
)
1916 struct areltdata
*ared
;
1920 if (member
&& (member
->flags
& BFD_IN_MEMORY
) != 0)
1922 /* Assume we just "made" the member, and fake it. */
1923 struct bfd_in_memory
*bim
= (struct bfd_in_memory
*) member
->iostream
;
1924 time (&status
.st_mtime
);
1925 status
.st_uid
= getuid ();
1926 status
.st_gid
= getgid ();
1927 status
.st_mode
= 0644;
1928 status
.st_size
= bim
->size
;
1930 else if (stat (filename
, &status
) != 0)
1932 bfd_set_error (bfd_error_system_call
);
1936 /* If the caller requested that the BFD generate deterministic output,
1937 fake values for modification time, UID, GID, and file mode. */
1938 if ((abfd
->flags
& BFD_DETERMINISTIC_OUTPUT
) != 0)
1940 status
.st_mtime
= 0;
1943 status
.st_mode
= 0644;
1946 amt
= sizeof (struct ar_hdr
) + sizeof (struct areltdata
);
1947 ared
= (struct areltdata
*) bfd_zmalloc (amt
);
1950 hdr
= (struct ar_hdr
*) (((char *) ared
) + sizeof (struct areltdata
));
1952 /* ar headers are space padded, not null padded! */
1953 memset (hdr
, ' ', sizeof (struct ar_hdr
));
1955 _bfd_ar_spacepad (hdr
->ar_date
, sizeof (hdr
->ar_date
), "%-12ld",
1957 #ifdef HPUX_LARGE_AR_IDS
1958 /* HP has a very "special" way to handle UID/GID's with numeric values
1960 if (status
.st_uid
> 99999)
1961 hpux_uid_gid_encode (hdr
->ar_uid
, (long) status
.st_uid
);
1964 _bfd_ar_spacepad (hdr
->ar_uid
, sizeof (hdr
->ar_uid
), "%ld",
1966 #ifdef HPUX_LARGE_AR_IDS
1967 /* HP has a very "special" way to handle UID/GID's with numeric values
1969 if (status
.st_gid
> 99999)
1970 hpux_uid_gid_encode (hdr
->ar_gid
, (long) status
.st_gid
);
1973 _bfd_ar_spacepad (hdr
->ar_gid
, sizeof (hdr
->ar_gid
), "%ld",
1975 _bfd_ar_spacepad (hdr
->ar_mode
, sizeof (hdr
->ar_mode
), "%-8lo",
1977 if (!_bfd_ar_sizepad (hdr
->ar_size
, sizeof (hdr
->ar_size
), status
.st_size
))
1982 memcpy (hdr
->ar_fmag
, ARFMAG
, 2);
1983 ared
->parsed_size
= status
.st_size
;
1984 ared
->arch_header
= (char *) hdr
;
1989 /* Analogous to stat call. */
1992 bfd_generic_stat_arch_elt (bfd
*abfd
, struct stat
*buf
)
1997 if (abfd
->arelt_data
== NULL
)
1999 bfd_set_error (bfd_error_invalid_operation
);
2003 hdr
= arch_hdr (abfd
);
2004 /* PR 17512: file: 3d9e9fe9. */
2007 #define foo(arelt, stelt, size) \
2008 buf->stelt = strtol (hdr->arelt, &aloser, size); \
2009 if (aloser == hdr->arelt) \
2012 /* Some platforms support special notations for large IDs. */
2013 #ifdef HPUX_LARGE_AR_IDS
2014 # define foo2(arelt, stelt, size) \
2015 if (hdr->arelt[5] == ' ') \
2017 foo (arelt, stelt, size); \
2022 for (buf->stelt = cnt = 0; cnt < 5; ++cnt) \
2024 if (hdr->arelt[cnt] < ' ' || hdr->arelt[cnt] > ' ' + 0x3f) \
2027 buf->stelt += hdr->arelt[cnt] - ' '; \
2029 if (hdr->arelt[5] < '@' || hdr->arelt[5] > '@' + 3) \
2032 buf->stelt += hdr->arelt[5] - '@'; \
2035 # define foo2(arelt, stelt, size) foo (arelt, stelt, size)
2038 foo (ar_date
, st_mtime
, 10);
2039 foo2 (ar_uid
, st_uid
, 10);
2040 foo2 (ar_gid
, st_gid
, 10);
2041 foo (ar_mode
, st_mode
, 8);
2043 buf
->st_size
= arch_eltdata (abfd
)->parsed_size
;
2049 bfd_dont_truncate_arname (bfd
*abfd
, const char *pathname
, char *arhdr
)
2051 /* FIXME: This interacts unpleasantly with ar's quick-append option.
2052 Fortunately ic960 users will never use that option. Fixing this
2053 is very hard; fortunately I know how to do it and will do so once
2054 intel's release is out the door. */
2056 struct ar_hdr
*hdr
= (struct ar_hdr
*) arhdr
;
2058 const char *filename
;
2059 size_t maxlen
= ar_maxnamelen (abfd
);
2061 if ((bfd_get_file_flags (abfd
) & BFD_TRADITIONAL_FORMAT
) != 0)
2063 bfd_bsd_truncate_arname (abfd
, pathname
, arhdr
);
2067 filename
= normalize (abfd
, pathname
);
2068 if (filename
== NULL
)
2074 length
= strlen (filename
);
2076 if (length
<= maxlen
)
2077 memcpy (hdr
->ar_name
, filename
, length
);
2079 /* Add the padding character if there is room for it. */
2081 || (length
== maxlen
&& length
< sizeof hdr
->ar_name
))
2082 (hdr
->ar_name
)[length
] = ar_padchar (abfd
);
2086 bfd_bsd_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
);
2104 if (length
< maxlen
)
2105 (hdr
->ar_name
)[length
] = ar_padchar (abfd
);
2108 /* Store name into ar header. Truncates the name to fit.
2109 1> strip pathname to be just the basename.
2110 2> if it's short enuf to fit, stuff it in.
2111 3> If it doesn't end with .o, truncate it to fit
2112 4> truncate it before the .o, append .o, stuff THAT in. */
2114 /* This is what gnu ar does. It's better but incompatible with the
2118 bfd_gnu_truncate_arname (bfd
*abfd
, const char *pathname
, char *arhdr
)
2120 struct ar_hdr
*hdr
= (struct ar_hdr
*) arhdr
;
2122 const char *filename
= lbasename (pathname
);
2123 size_t maxlen
= ar_maxnamelen (abfd
);
2125 length
= strlen (filename
);
2127 if (length
<= maxlen
)
2128 memcpy (hdr
->ar_name
, filename
, length
);
2131 /* pathname: meet procrustes. */
2132 memcpy (hdr
->ar_name
, filename
, maxlen
);
2133 if ((filename
[length
- 2] == '.') && (filename
[length
- 1] == 'o'))
2135 hdr
->ar_name
[maxlen
- 2] = '.';
2136 hdr
->ar_name
[maxlen
- 1] = 'o';
2142 (hdr
->ar_name
)[length
] = ar_padchar (abfd
);
2145 /* The BFD is open for write and has its format set to bfd_archive. */
2148 _bfd_write_archive_contents (bfd
*arch
)
2151 char *etable
= NULL
;
2152 bfd_size_type elength
= 0;
2153 const char *ename
= NULL
;
2154 bfd_boolean makemap
= bfd_has_map (arch
);
2155 /* If no .o's, don't bother to make a map. */
2156 bfd_boolean hasobjects
= FALSE
;
2157 bfd_size_type wrote
;
2161 /* Verify the viability of all entries; if any of them live in the
2162 filesystem (as opposed to living in an archive open for input)
2163 then construct a fresh ar_hdr for them. */
2164 for (current
= arch
->archive_head
;
2166 current
= current
->archive_next
)
2168 /* This check is checking the bfds for the objects we're reading
2169 from (which are usually either an object file or archive on
2170 disk), not the archive entries we're writing to. We don't
2171 actually create bfds for the archive members, we just copy
2172 them byte-wise when we write out the archive. */
2173 if (bfd_write_p (current
))
2175 bfd_set_error (bfd_error_invalid_operation
);
2178 if (!current
->arelt_data
)
2180 current
->arelt_data
=
2181 bfd_ar_hdr_from_filesystem (arch
, current
->filename
, current
);
2182 if (!current
->arelt_data
)
2185 /* Put in the file name. */
2186 BFD_SEND (arch
, _bfd_truncate_arname
,
2187 (arch
, current
->filename
, (char *) arch_hdr (current
)));
2190 if (makemap
&& ! hasobjects
)
2191 { /* Don't bother if we won't make a map! */
2192 if ((bfd_check_format (current
, bfd_object
)))
2197 if (!BFD_SEND (arch
, _bfd_construct_extended_name_table
,
2198 (arch
, &etable
, &elength
, &ename
)))
2201 if (bfd_seek (arch
, (file_ptr
) 0, SEEK_SET
) != 0)
2204 if (bfd_is_thin_archive (arch
))
2206 wrote
= bfd_bwrite (armag
, SARMAG
, arch
);
2207 if (wrote
!= SARMAG
)
2210 if (makemap
&& hasobjects
)
2212 if (! _bfd_compute_and_write_armap (arch
, (unsigned int) elength
))
2220 memset (&hdr
, ' ', sizeof (struct ar_hdr
));
2221 memcpy (hdr
.ar_name
, ename
, strlen (ename
));
2222 /* Round size up to even number in archive header. */
2223 if (!_bfd_ar_sizepad (hdr
.ar_size
, sizeof (hdr
.ar_size
),
2224 (elength
+ 1) & ~(bfd_size_type
) 1))
2226 memcpy (hdr
.ar_fmag
, ARFMAG
, 2);
2227 if ((bfd_bwrite (&hdr
, sizeof (struct ar_hdr
), arch
)
2228 != sizeof (struct ar_hdr
))
2229 || bfd_bwrite (etable
, elength
, arch
) != elength
)
2231 if ((elength
% 2) == 1)
2233 if (bfd_bwrite (&ARFMAG
[1], 1, arch
) != 1)
2238 for (current
= arch
->archive_head
;
2240 current
= current
->archive_next
)
2242 char buffer
[DEFAULT_BUFFERSIZE
];
2243 bfd_size_type remaining
= arelt_size (current
);
2245 /* Write ar header. */
2246 if (!_bfd_write_ar_hdr (arch
, current
))
2248 if (bfd_is_thin_archive (arch
))
2250 if (bfd_seek (current
, (file_ptr
) 0, SEEK_SET
) != 0)
2255 unsigned int amt
= DEFAULT_BUFFERSIZE
;
2257 if (amt
> remaining
)
2260 if (bfd_bread (buffer
, amt
, current
) != amt
)
2262 if (bfd_get_error () != bfd_error_system_call
)
2263 bfd_set_error (bfd_error_file_truncated
);
2266 if (bfd_bwrite (buffer
, amt
, arch
) != amt
)
2271 if ((arelt_size (current
) % 2) == 1)
2273 if (bfd_bwrite (&ARFMAG
[1], 1, arch
) != 1)
2278 if (makemap
&& hasobjects
)
2280 /* Verify the timestamp in the archive file. If it would not be
2281 accepted by the linker, rewrite it until it would be. If
2282 anything odd happens, break out and just return. (The
2283 Berkeley linker checks the timestamp and refuses to read the
2284 table-of-contents if it is >60 seconds less than the file's
2285 modified-time. That painful hack requires this painful hack. */
2289 if (bfd_update_armap_timestamp (arch
))
2291 (*_bfd_error_handler
)
2292 (_("Warning: writing archive was slow: rewriting timestamp\n"));
2294 while (++tries
< 6);
2300 bfd_set_error (bfd_error_on_input
, current
, bfd_get_error ());
2304 /* Note that the namidx for the first symbol is 0. */
2307 _bfd_compute_and_write_armap (bfd
*arch
, unsigned int elength
)
2309 char *first_name
= NULL
;
2311 file_ptr elt_no
= 0;
2312 struct orl
*map
= NULL
;
2313 unsigned int orl_max
= 1024; /* Fine initial default. */
2314 unsigned int orl_count
= 0;
2316 asymbol
**syms
= NULL
;
2321 /* Dunno if this is the best place for this info... */
2323 elength
+= sizeof (struct ar_hdr
);
2324 elength
+= elength
% 2;
2326 amt
= orl_max
* sizeof (struct orl
);
2327 map
= (struct orl
*) bfd_malloc (amt
);
2331 /* We put the symbol names on the arch objalloc, and then discard
2333 first_name
= (char *) bfd_alloc (arch
, 1);
2334 if (first_name
== NULL
)
2337 /* Drop all the files called __.SYMDEF, we're going to make our own. */
2338 while (arch
->archive_head
2339 && strcmp (arch
->archive_head
->filename
, "__.SYMDEF") == 0)
2340 arch
->archive_head
= arch
->archive_head
->archive_next
;
2342 /* Map over each element. */
2343 for (current
= arch
->archive_head
;
2345 current
= current
->archive_next
, elt_no
++)
2347 if (bfd_check_format (current
, bfd_object
)
2348 && (bfd_get_file_flags (current
) & HAS_SYMS
) != 0)
2354 storage
= bfd_get_symtab_upper_bound (current
);
2360 if (storage
> syms_max
)
2365 syms
= (asymbol
**) bfd_malloc (syms_max
);
2369 symcount
= bfd_canonicalize_symtab (current
, syms
);
2373 /* Now map over all the symbols, picking out the ones we
2375 for (src_count
= 0; src_count
< symcount
; src_count
++)
2377 flagword flags
= (syms
[src_count
])->flags
;
2378 asection
*sec
= syms
[src_count
]->section
;
2380 if (((flags
& (BSF_GLOBAL
2383 | BSF_GNU_UNIQUE
)) != 0
2384 || bfd_is_com_section (sec
))
2385 && ! bfd_is_und_section (sec
))
2387 bfd_size_type namelen
;
2388 struct orl
*new_map
;
2390 /* This symbol will go into the archive header. */
2391 if (orl_count
== orl_max
)
2394 amt
= orl_max
* sizeof (struct orl
);
2395 new_map
= (struct orl
*) bfd_realloc (map
, amt
);
2396 if (new_map
== NULL
)
2402 if (strcmp (syms
[src_count
]->name
, "__gnu_lto_slim") == 0)
2403 (*_bfd_error_handler
)
2404 (_("%s: plugin needed to handle lto object"),
2405 bfd_get_filename (current
));
2406 namelen
= strlen (syms
[src_count
]->name
);
2407 amt
= sizeof (char *);
2408 map
[orl_count
].name
= (char **) bfd_alloc (arch
, amt
);
2409 if (map
[orl_count
].name
== NULL
)
2411 *(map
[orl_count
].name
) = (char *) bfd_alloc (arch
,
2413 if (*(map
[orl_count
].name
) == NULL
)
2415 strcpy (*(map
[orl_count
].name
), syms
[src_count
]->name
);
2416 map
[orl_count
].u
.abfd
= current
;
2417 map
[orl_count
].namidx
= stridx
;
2419 stridx
+= namelen
+ 1;
2425 /* Now ask the BFD to free up any cached information, so we
2426 don't fill all of memory with symbol tables. */
2427 if (! bfd_free_cached_info (current
))
2432 /* OK, now we have collected all the data, let's write them out. */
2433 ret
= BFD_SEND (arch
, write_armap
,
2434 (arch
, elength
, map
, orl_count
, stridx
));
2440 if (first_name
!= NULL
)
2441 bfd_release (arch
, first_name
);
2450 if (first_name
!= NULL
)
2451 bfd_release (arch
, first_name
);
2457 bsd_write_armap (bfd
*arch
,
2458 unsigned int elength
,
2460 unsigned int orl_count
,
2463 int padit
= stridx
& 1;
2464 unsigned int ranlibsize
= orl_count
* BSD_SYMDEF_SIZE
;
2465 unsigned int stringsize
= stridx
+ padit
;
2466 /* Include 8 bytes to store ranlibsize and stringsize in output. */
2467 unsigned int mapsize
= ranlibsize
+ stringsize
+ 8;
2468 file_ptr firstreal
, first
;
2476 first
= mapsize
+ elength
+ sizeof (struct ar_hdr
) + SARMAG
;
2480 current
= arch
->archive_head
;
2481 last_elt
= current
; /* Last element arch seen. */
2482 for (count
= 0; count
< orl_count
; count
++)
2484 unsigned int offset
;
2486 if (map
[count
].u
.abfd
!= last_elt
)
2490 struct areltdata
*ared
= arch_eltdata (current
);
2492 firstreal
+= (ared
->parsed_size
+ ared
->extra_size
2493 + sizeof (struct ar_hdr
));
2494 firstreal
+= firstreal
% 2;
2495 current
= current
->archive_next
;
2497 while (current
!= map
[count
].u
.abfd
);
2500 /* The archive file format only has 4 bytes to store the offset
2501 of the member. Generate 64-bit archive if an archive is past
2503 offset
= (unsigned int) firstreal
;
2504 if (firstreal
!= (file_ptr
) offset
)
2505 return _bfd_archive_64_bit_write_armap (arch
, elength
, map
,
2512 /* If deterministic, we use 0 as the timestamp in the map.
2513 Some linkers may require that the archive filesystem modification
2514 time is less than (or near to) the archive map timestamp. Those
2515 linkers should not be used with deterministic mode. (GNU ld and
2516 Gold do not have this restriction.) */
2517 bfd_ardata (arch
)->armap_timestamp
= 0;
2520 if ((arch
->flags
& BFD_DETERMINISTIC_OUTPUT
) == 0)
2522 struct stat statbuf
;
2524 if (stat (arch
->filename
, &statbuf
) == 0)
2525 bfd_ardata (arch
)->armap_timestamp
= (statbuf
.st_mtime
2526 + ARMAP_TIME_OFFSET
);
2531 memset (&hdr
, ' ', sizeof (struct ar_hdr
));
2532 memcpy (hdr
.ar_name
, RANLIBMAG
, strlen (RANLIBMAG
));
2533 bfd_ardata (arch
)->armap_datepos
= (SARMAG
2534 + offsetof (struct ar_hdr
, ar_date
[0]));
2535 _bfd_ar_spacepad (hdr
.ar_date
, sizeof (hdr
.ar_date
), "%ld",
2536 bfd_ardata (arch
)->armap_timestamp
);
2537 _bfd_ar_spacepad (hdr
.ar_uid
, sizeof (hdr
.ar_uid
), "%ld", uid
);
2538 _bfd_ar_spacepad (hdr
.ar_gid
, sizeof (hdr
.ar_gid
), "%ld", gid
);
2539 if (!_bfd_ar_sizepad (hdr
.ar_size
, sizeof (hdr
.ar_size
), mapsize
))
2541 memcpy (hdr
.ar_fmag
, ARFMAG
, 2);
2542 if (bfd_bwrite (&hdr
, sizeof (struct ar_hdr
), arch
)
2543 != sizeof (struct ar_hdr
))
2545 H_PUT_32 (arch
, ranlibsize
, temp
);
2546 if (bfd_bwrite (temp
, sizeof (temp
), arch
) != sizeof (temp
))
2550 current
= arch
->archive_head
;
2551 last_elt
= current
; /* Last element arch seen. */
2552 for (count
= 0; count
< orl_count
; count
++)
2554 unsigned int offset
;
2555 bfd_byte buf
[BSD_SYMDEF_SIZE
];
2557 if (map
[count
].u
.abfd
!= last_elt
)
2561 struct areltdata
*ared
= arch_eltdata (current
);
2563 firstreal
+= (ared
->parsed_size
+ ared
->extra_size
2564 + sizeof (struct ar_hdr
));
2565 firstreal
+= firstreal
% 2;
2566 current
= current
->archive_next
;
2568 while (current
!= map
[count
].u
.abfd
);
2571 /* The archive file format only has 4 bytes to store the offset
2572 of the member. Check to make sure that firstreal has not grown
2574 offset
= (unsigned int) firstreal
;
2575 if (firstreal
!= (file_ptr
) offset
)
2577 bfd_set_error (bfd_error_file_truncated
);
2582 H_PUT_32 (arch
, map
[count
].namidx
, buf
);
2583 H_PUT_32 (arch
, firstreal
, buf
+ BSD_SYMDEF_OFFSET_SIZE
);
2584 if (bfd_bwrite (buf
, BSD_SYMDEF_SIZE
, arch
)
2589 /* Now write the strings themselves. */
2590 H_PUT_32 (arch
, stringsize
, temp
);
2591 if (bfd_bwrite (temp
, sizeof (temp
), arch
) != sizeof (temp
))
2593 for (count
= 0; count
< orl_count
; count
++)
2595 size_t len
= strlen (*map
[count
].name
) + 1;
2597 if (bfd_bwrite (*map
[count
].name
, len
, arch
) != len
)
2601 /* The spec sez this should be a newline. But in order to be
2602 bug-compatible for sun's ar we use a null. */
2605 if (bfd_bwrite ("", 1, arch
) != 1)
2612 /* At the end of archive file handling, update the timestamp in the
2613 file, so the linker will accept it.
2615 Return TRUE if the timestamp was OK, or an unusual problem happened.
2616 Return FALSE if we updated the timestamp. */
2619 _bfd_archive_bsd_update_armap_timestamp (bfd
*arch
)
2621 struct stat archstat
;
2624 /* If creating deterministic archives, just leave the timestamp as-is. */
2625 if ((arch
->flags
& BFD_DETERMINISTIC_OUTPUT
) != 0)
2628 /* Flush writes, get last-write timestamp from file, and compare it
2629 to the timestamp IN the file. */
2631 if (bfd_stat (arch
, &archstat
) == -1)
2633 bfd_perror (_("Reading archive file mod timestamp"));
2635 /* Can't read mod time for some reason. */
2638 if (((long) archstat
.st_mtime
) <= bfd_ardata (arch
)->armap_timestamp
)
2639 /* OK by the linker's rules. */
2642 /* Update the timestamp. */
2643 bfd_ardata (arch
)->armap_timestamp
= archstat
.st_mtime
+ ARMAP_TIME_OFFSET
;
2645 /* Prepare an ASCII version suitable for writing. */
2646 memset (hdr
.ar_date
, ' ', sizeof (hdr
.ar_date
));
2647 _bfd_ar_spacepad (hdr
.ar_date
, sizeof (hdr
.ar_date
), "%ld",
2648 bfd_ardata (arch
)->armap_timestamp
);
2650 /* Write it into the file. */
2651 bfd_ardata (arch
)->armap_datepos
= (SARMAG
2652 + offsetof (struct ar_hdr
, ar_date
[0]));
2653 if (bfd_seek (arch
, bfd_ardata (arch
)->armap_datepos
, SEEK_SET
) != 0
2654 || (bfd_bwrite (hdr
.ar_date
, sizeof (hdr
.ar_date
), arch
)
2655 != sizeof (hdr
.ar_date
)))
2657 bfd_perror (_("Writing updated armap timestamp"));
2659 /* Some error while writing. */
2663 /* We updated the timestamp successfully. */
2667 /* A coff armap looks like :
2669 struct ar_hdr with name = '/'
2671 offset of file for symbol 0
2672 offset of file for symbol 1
2674 offset of file for symbol n-1
2681 coff_write_armap (bfd
*arch
,
2682 unsigned int elength
,
2684 unsigned int symbol_count
,
2687 /* The size of the ranlib is the number of exported symbols in the
2688 archive * the number of bytes in an int, + an int for the count. */
2689 unsigned int ranlibsize
= (symbol_count
* 4) + 4;
2690 unsigned int stringsize
= stridx
;
2691 unsigned int mapsize
= stringsize
+ ranlibsize
;
2692 file_ptr archive_member_file_ptr
;
2693 file_ptr first_archive_member_file_ptr
;
2694 bfd
*current
= arch
->archive_head
;
2697 int padit
= mapsize
& 1;
2702 /* Work out where the first object file will go in the archive. */
2703 first_archive_member_file_ptr
= (mapsize
2705 + sizeof (struct ar_hdr
)
2709 current
= arch
->archive_head
;
2711 archive_member_file_ptr
= first_archive_member_file_ptr
;
2712 while (current
!= NULL
&& count
< symbol_count
)
2714 /* For each symbol which is used defined in this object, write
2715 out the object file's address in the archive. */
2717 while (count
< symbol_count
&& map
[count
].u
.abfd
== current
)
2719 unsigned int offset
= (unsigned int) archive_member_file_ptr
;
2721 /* Generate 64-bit archive if an archive is past its 4Gb
2723 if (archive_member_file_ptr
!= (file_ptr
) offset
)
2724 return _bfd_archive_64_bit_write_armap (arch
, elength
, map
,
2725 symbol_count
, stridx
);
2728 archive_member_file_ptr
+= sizeof (struct ar_hdr
);
2729 if (! bfd_is_thin_archive (arch
))
2731 /* Add size of this archive entry. */
2732 archive_member_file_ptr
+= arelt_size (current
);
2733 /* Remember about the even alignment. */
2734 archive_member_file_ptr
+= archive_member_file_ptr
% 2;
2736 current
= current
->archive_next
;
2740 memset (&hdr
, ' ', sizeof (struct ar_hdr
));
2741 hdr
.ar_name
[0] = '/';
2742 if (!_bfd_ar_sizepad (hdr
.ar_size
, sizeof (hdr
.ar_size
), mapsize
))
2744 _bfd_ar_spacepad (hdr
.ar_date
, sizeof (hdr
.ar_date
), "%ld",
2745 ((arch
->flags
& BFD_DETERMINISTIC_OUTPUT
) == 0
2746 ? time (NULL
) : 0));
2747 /* This, at least, is what Intel coff sets the values to. */
2748 _bfd_ar_spacepad (hdr
.ar_uid
, sizeof (hdr
.ar_uid
), "%ld", 0);
2749 _bfd_ar_spacepad (hdr
.ar_gid
, sizeof (hdr
.ar_gid
), "%ld", 0);
2750 _bfd_ar_spacepad (hdr
.ar_mode
, sizeof (hdr
.ar_mode
), "%-7lo", 0);
2751 memcpy (hdr
.ar_fmag
, ARFMAG
, 2);
2753 /* Write the ar header for this item and the number of symbols. */
2754 if (bfd_bwrite (&hdr
, sizeof (struct ar_hdr
), arch
)
2755 != sizeof (struct ar_hdr
))
2758 if (!bfd_write_bigendian_4byte_int (arch
, symbol_count
))
2761 /* Two passes, first write the file offsets for each symbol -
2762 remembering that each offset is on a two byte boundary. */
2764 /* Write out the file offset for the file associated with each
2765 symbol, and remember to keep the offsets padded out. */
2767 current
= arch
->archive_head
;
2769 archive_member_file_ptr
= first_archive_member_file_ptr
;
2770 while (current
!= NULL
&& count
< symbol_count
)
2772 /* For each symbol which is used defined in this object, write
2773 out the object file's address in the archive. */
2775 while (count
< symbol_count
&& map
[count
].u
.abfd
== current
)
2777 unsigned int offset
= (unsigned int) archive_member_file_ptr
;
2779 /* Catch an attempt to grow an archive past its 4Gb limit. */
2780 if (archive_member_file_ptr
!= (file_ptr
) offset
)
2782 bfd_set_error (bfd_error_file_truncated
);
2785 if (!bfd_write_bigendian_4byte_int (arch
, offset
))
2789 archive_member_file_ptr
+= sizeof (struct ar_hdr
);
2790 if (! bfd_is_thin_archive (arch
))
2792 /* Add size of this archive entry. */
2793 archive_member_file_ptr
+= arelt_size (current
);
2794 /* Remember about the even alignment. */
2795 archive_member_file_ptr
+= archive_member_file_ptr
% 2;
2797 current
= current
->archive_next
;
2800 /* Now write the strings themselves. */
2801 for (count
= 0; count
< symbol_count
; count
++)
2803 size_t len
= strlen (*map
[count
].name
) + 1;
2805 if (bfd_bwrite (*map
[count
].name
, len
, arch
) != len
)
2809 /* The spec sez this should be a newline. But in order to be
2810 bug-compatible for arc960 we use a null. */
2813 if (bfd_bwrite ("", 1, arch
) != 1)
2821 archive_close_worker (void **slot
, void *inf ATTRIBUTE_UNUSED
)
2823 struct ar_cache
*ent
= (struct ar_cache
*) *slot
;
2825 bfd_close_all_done (ent
->arbfd
);
2830 _bfd_archive_close_and_cleanup (bfd
*abfd
)
2832 if (bfd_read_p (abfd
) && abfd
->format
== bfd_archive
)
2838 /* Close nested archives (if this bfd is a thin archive). */
2839 for (nbfd
= abfd
->nested_archives
; nbfd
; nbfd
= next
)
2841 next
= nbfd
->archive_next
;
2845 htab
= bfd_ardata (abfd
)->cache
;
2848 htab_traverse_noresize (htab
, archive_close_worker
, NULL
);
2850 bfd_ardata (abfd
)->cache
= NULL
;
2853 if (arch_eltdata (abfd
) != NULL
)
2855 struct areltdata
*ared
= arch_eltdata (abfd
);
2856 htab_t htab
= (htab_t
) ared
->parent_cache
;
2860 struct ar_cache ent
;
2863 ent
.ptr
= ared
->key
;
2864 slot
= htab_find_slot (htab
, &ent
, NO_INSERT
);
2867 BFD_ASSERT (((struct ar_cache
*) *slot
)->arbfd
== abfd
);
2868 htab_clear_slot (htab
, slot
);
2872 if (abfd
->is_linker_output
)
2873 (*abfd
->link
.hash
->hash_table_free
) (abfd
);