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Add support for thin archives.

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* 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.
This commit is contained in:
Nick Clifton
2008-03-28 06:49:44 +00:00
parent 3ab380aaa8
commit cb411288ce
2 changed files with 17 additions and 11 deletions
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4
include/aout/ChangeLog
View File

@@ -1,3 +1,7 @@
2008-03-27 Cary Coutant <ccoutant@google.com>
* ar.h (ARMAGT): New magic string for thin archives.
2005-05-10 Nick Clifton <nickc@redhat.com>
* Update the address and phone number of the FSF organization in

24
include/aout/ar.h
View File

@@ -1,6 +1,6 @@
/* archive file definition for GNU software
Copyright 2001 Free Software Foundation, Inc.
Copyright 2001, 2008 Free Software Foundation, Inc.
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
@@ -26,8 +26,9 @@
characters, as allowed by ANSI. '\012' has a fixed value, and remains
compatible with existing BSDish archives. */
#define ARMAG "!<arch>\012" /* For COFF and a.out archives */
#define ARMAGB "!<bout>\012" /* For b.out archives */
#define ARMAG "!<arch>\012" /* For COFF and a.out archives. */
#define ARMAGB "!<bout>\012" /* For b.out archives. */
#define ARMAGT "!<thin>\012" /* For thin archives. */
#define SARMAG 8
#define ARFMAG "`\012"
@@ -39,14 +40,15 @@
#define ARMAP_TIME_OFFSET 60
struct ar_hdr {
char ar_name[16]; /* name of this member */
char ar_date[12]; /* file mtime */
char ar_uid[6]; /* owner uid; printed as decimal */
char ar_gid[6]; /* owner gid; printed as decimal */
char ar_mode[8]; /* file mode, printed as octal */
char ar_size[10]; /* file size, printed as decimal */
char ar_fmag[2]; /* should contain ARFMAG */
struct ar_hdr
{
char ar_name[16]; /* Name of this member. */
char ar_date[12]; /* File mtime. */
char ar_uid[6]; /* Owner uid; printed as decimal. */
char ar_gid[6]; /* Owner gid; printed as decimal. */
char ar_mode[8]; /* File mode, printed as octal. */
char ar_size[10]; /* File size, printed as decimal. */
char ar_fmag[2]; /* Should contain ARFMAG. */
};
#endif /* __GNU_AR_H__ */