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.

1 files changed, 5 insertions, 4 deletions

diff --git a/binutils/binemul.h b/binutils/binemul.h
index 4da6693..e2a1280 100644
--- a/binutils/binemul.h
+++ b/binutils/binemul.h
@@ -1,5 +1,5 @@
 /* Binutils emulation layer.
-   Copyright 2002, 2003, 2007 Free Software Foundation, Inc.
+   Copyright 2002, 2003, 2007, 2008 Free Software Foundation, Inc.
    Written by Tom Rix, Red Hat Inc.
 
    This file is part of GNU Binutils.
@@ -28,8 +28,9 @@
 
 extern void ar_emul_usage (FILE *);
 extern void ar_emul_default_usage (FILE *);
-extern bfd_boolean ar_emul_append (bfd **, char *, bfd_boolean);
-extern bfd_boolean ar_emul_default_append (bfd **, char *, bfd_boolean);
+extern bfd_boolean ar_emul_append (bfd **, char *, bfd_boolean, bfd_boolean);
+extern bfd_boolean ar_emul_default_append (bfd **, char *, bfd_boolean,
+                                           bfd_boolean);
 extern bfd_boolean ar_emul_replace (bfd **, char *, bfd_boolean);
 extern bfd_boolean ar_emul_default_replace (bfd **, char *, bfd_boolean);
 extern bfd_boolean ar_emul_parse_arg (char *);
@@ -54,7 +55,7 @@ typedef struct bin_emulation_xfer_struct
 {
   /* Print out the extra options.  */
   void (* ar_usage) (FILE *fp);
-  bfd_boolean (* ar_append) (bfd **, char *, bfd_boolean);
+  bfd_boolean (* ar_append) (bfd **, char *, bfd_boolean, bfd_boolean);
   bfd_boolean (* ar_replace) (bfd **, char *, bfd_boolean);
   bfd_boolean (* ar_parse_arg) (char *);
 }