old-cross-binutils/binutils/emul_aix.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

171 lines
4.3 KiB
C

/* Binutils emulation layer.
Copyright 2002, 2003, 2006, 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"
#include "bfdlink.h"
#include "coff/internal.h"
#include "coff/xcoff.h"
#include "libcoff.h"
#include "libxcoff.h"
/* Default to <bigaf>. */
static bfd_boolean big_archive = TRUE;
/* Whether to include 32 bit objects. */
static bfd_boolean X32 = TRUE;
/* Whether to include 64 bit objects. */
static bfd_boolean X64 = FALSE;
static void
ar_emul_aix_usage (FILE *fp)
{
AR_EMUL_USAGE_PRINT_OPTION_HEADER (fp);
/* xgettext:c-format */
fprintf (fp, _(" [-g] - 32 bit small archive\n"));
fprintf (fp, _(" [-X32] - ignores 64 bit objects\n"));
fprintf (fp, _(" [-X64] - ignores 32 bit objects\n"));
fprintf (fp, _(" [-X32_64] - accepts 32 and 64 bit objects\n"));
}
static bfd_boolean
ar_emul_aix_internal (bfd ** after_bfd,
char * file_name,
bfd_boolean verbose,
const char * target_name,
bfd_boolean is_append,
bfd_boolean flatten ATTRIBUTE_UNUSED)
{
bfd *temp;
bfd *try_bfd;
temp = *after_bfd;
/* Try 64 bit. */
try_bfd = bfd_openr (file_name, target_name);
/* Failed or the object is possibly 32 bit. */
if (NULL == try_bfd || ! bfd_check_format (try_bfd, bfd_object))
try_bfd = bfd_openr (file_name, "aixcoff-rs6000");
AR_EMUL_ELEMENT_CHECK (try_bfd, file_name);
if (bfd_xcoff_is_xcoff64 (try_bfd) && (! X64))
return FALSE;
if (bfd_xcoff_is_xcoff32 (try_bfd)
&& bfd_check_format (try_bfd, bfd_object) && (! X32))
return FALSE;
if (is_append)
{
AR_EMUL_APPEND_PRINT_VERBOSE (verbose, file_name);
}
else
{
AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);
}
*after_bfd = try_bfd;
(*after_bfd)->archive_next = temp;
return TRUE;
}
static bfd_boolean
ar_emul_aix_append (bfd **after_bfd, char *file_name, bfd_boolean verbose,
bfd_boolean flatten)
{
return ar_emul_aix_internal (after_bfd, file_name, verbose,
"aixcoff64-rs6000", TRUE, flatten);
}
static bfd_boolean
ar_emul_aix5_append (bfd **after_bfd, char *file_name, bfd_boolean verbose,
bfd_boolean flatten)
{
return ar_emul_aix_internal (after_bfd, file_name, verbose,
"aix5coff64-rs6000", TRUE, flatten);
}
static bfd_boolean
ar_emul_aix_replace (bfd **after_bfd, char *file_name, bfd_boolean verbose)
{
return ar_emul_aix_internal (after_bfd, file_name, verbose,
"aixcoff64-rs6000", FALSE, FALSE);
}
static bfd_boolean
ar_emul_aix5_replace (bfd **after_bfd, char *file_name, bfd_boolean verbose)
{
return ar_emul_aix_internal (after_bfd, file_name, verbose,
"aix5coff64-rs6000", FALSE, FALSE);
}
static bfd_boolean
ar_emul_aix_parse_arg (char *arg)
{
if (CONST_STRNEQ (arg, "-X32_64"))
{
big_archive = TRUE;
X32 = TRUE;
X64 = TRUE;
}
else if (CONST_STRNEQ (arg, "-X32"))
{
big_archive = TRUE;
X32 = TRUE;
X64 = FALSE;
}
else if (CONST_STRNEQ (arg, "-X64"))
{
big_archive = TRUE;
X32 = FALSE;
X64 = TRUE;
}
else if (CONST_STRNEQ (arg, "-g"))
{
big_archive = FALSE;
X32 = TRUE;
X64 = FALSE;
}
else
return FALSE;
return TRUE;
}
struct bin_emulation_xfer_struct bin_aix_emulation =
{
ar_emul_aix_usage,
ar_emul_aix_append,
ar_emul_aix_replace,
ar_emul_aix_parse_arg,
};
struct bin_emulation_xfer_struct bin_aix5_emulation =
{
ar_emul_aix_usage,
ar_emul_aix5_append,
ar_emul_aix5_replace,
ar_emul_aix_parse_arg,
};