old-cross-binutils/binutils/binemul.c
Nick Clifton a8da640382 Add support for thin archives.
* bfd/archive.c (_bfd_find_nested_archive): New function.
    (get_extended_arelt_filename): Add origin parameter.
    (_bfd_generic_read_ar_hdr_mag): Deal with extended name
    combined with a file offset.
    (append_relative_path): New function.
    (_bfd_get_elt_at_filepos): Deal with external members and
    nested archives.
    (bfd_generic_openr_next_archived_file): Thin archives.
    (bfd_generic_archive_p): Recognize new magic string.
    (adjust_relative_path): New function.
    (_bfd_construct_extended_name_table): Construct extended
    names for thin archive members.
    (_bfd_write_archive_contents): Emit new magic string, skip
    copying files for thin archives.
    * bfd/bfd-in.h (bfd_is_thin_archive): New macro.
    * bfd/bfd.c (struct bfd): New fields for thin archives.
    * bfd/libbfd-in.h (struct areltdata): New field for thin archives.
    * bfd/opncls.c (bfd_close): Delete BFDs for nested archives.
    * binutils/ar.c (make_thin_archive): New global flag.
    (map_over_members): Deal with full pathnames in thin archives.
    (usage, main): Add 'T' option for building thin archives.
    (replace_members): Pass thin archive flag to ar_emul_append.
    * binutils/arsup.c (ar_open): Initialize new flag.
    * binutils/binemul.c (ar_emul_append): Add new parameter for
    flattening nested archives.
    (do_ar_emul_default_append): New function.
    (ar_emul_default_append): Factored out recursive code.
    * binutils/binemul.h (ar_emul_default_append): Add new parameter.
    (struct bin_emulation_xfer_struct): New parameter for ar_append.
    * binutils/dlltool.c (gen_lib_file): Initialize thin archive flag.
    * binutils/emul_aix.c (ar_emul_aix_internal): Add new flatten
    parameter, currently unimplemented.
    All callers changed.
    * binutils/objcopy.c (copy_archive): Preserve thin archive flag.
    * binutils/doc/binutils.texi: Update ar documentation.
    * binutils/testsuite/binutils-all/ar.exp: Add thin archive tests.
    * include/aout/ar.h (ARMAGT): New magic string for thin archives.
2008-03-28 06:49:44 +00:00

135 lines
3.4 KiB
C

/* Binutils emulation layer.
Copyright 2002, 2003, 2007, 2008 Free Software Foundation, Inc.
Written by Tom Rix, Red Hat Inc.
This file is part of GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "binemul.h"
extern bin_emulation_xfer_type bin_dummy_emulation;
void
ar_emul_usage (FILE *fp)
{
if (bin_dummy_emulation.ar_usage)
bin_dummy_emulation.ar_usage (fp);
}
void
ar_emul_default_usage (FILE *fp)
{
AR_EMUL_USAGE_PRINT_OPTION_HEADER (fp);
/* xgettext:c-format */
fprintf (fp, _(" No emulation specific options\n"));
}
bfd_boolean
ar_emul_append (bfd **after_bfd, char *file_name, bfd_boolean verbose,
bfd_boolean flatten)
{
if (bin_dummy_emulation.ar_append)
return bin_dummy_emulation.ar_append (after_bfd, file_name, verbose,
flatten);
return FALSE;
}
static bfd_boolean
do_ar_emul_default_append (bfd **after_bfd, bfd *new_bfd,
bfd_boolean verbose, bfd_boolean flatten)
{
/* When flattening, add the members of an archive instead of the
archive itself. */
if (flatten && bfd_check_format (new_bfd, bfd_archive))
{
bfd *elt;
bfd_boolean added = FALSE;
for (elt = bfd_openr_next_archived_file (new_bfd, NULL);
elt;
elt = bfd_openr_next_archived_file (new_bfd, elt))
{
if (do_ar_emul_default_append (after_bfd, elt, verbose, TRUE))
{
added = TRUE;
after_bfd = &((*after_bfd)->archive_next);
}
}
return added;
}
AR_EMUL_APPEND_PRINT_VERBOSE (verbose, new_bfd->filename);
new_bfd->archive_next = *after_bfd;
*after_bfd = new_bfd;
return TRUE;
}
bfd_boolean
ar_emul_default_append (bfd **after_bfd, char *file_name,
bfd_boolean verbose, bfd_boolean flatten)
{
bfd *new_bfd;
new_bfd = bfd_openr (file_name, NULL);
AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);
return do_ar_emul_default_append (after_bfd, new_bfd, verbose, flatten);
}
bfd_boolean
ar_emul_replace (bfd **after_bfd, char *file_name, bfd_boolean verbose)
{
if (bin_dummy_emulation.ar_replace)
return bin_dummy_emulation.ar_replace (after_bfd, file_name, verbose);
return FALSE;
}
bfd_boolean
ar_emul_default_replace (bfd **after_bfd, char *file_name,
bfd_boolean verbose)
{
bfd *temp;
temp = *after_bfd;
*after_bfd = bfd_openr (file_name, NULL);
AR_EMUL_ELEMENT_CHECK (*after_bfd, file_name);
AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);
(*after_bfd)->archive_next = temp;
return TRUE;
}
bfd_boolean
ar_emul_parse_arg (char *arg)
{
if (bin_dummy_emulation.ar_parse_arg)
return bin_dummy_emulation.ar_parse_arg (arg);
return FALSE;
}
bfd_boolean
ar_emul_default_parse_arg (char *arg ATTRIBUTE_UNUSED)
{
return FALSE;
}