* Makefile.am: Run "make dep-am".

        (AM_CPPFLAGS): New.
        (LIBDL): New.
        (ALL_MACHINES): Add cpu-plugin.lo.
        (ALL_MACHINES_CFILES): Add cpu-plugin.c.
        (BFD32_BACKENDS): Add plugin.lo.
        (BFD32_BACKENDS_CFILES): Add plugin.c.
        (libbfd_la_LIBADD): Add LIBDL
        * archures.c (bfd_architecture): Add bfd_arch_plugin.
        (bfd_plugin_arch): Declare.
        * bfd-in.h (BFD_SUPPORTS_PLUGINS): New.
        * bfd.c (bfd): Add plugin_data.
        * config.bfd: Handle the plugin target.
        * configure.in: Check for --enable-plugins.
        (LT_INIT): Use the dlopen option.
        * cpu-plugin.c: New.
        * plugin.c: New.
        * plugin.h: New.
        * targets.c (plugin_vec): Declare.
        (_bfd_target_vector): Add plugin_vec.
        * Makefile.in: Regenerate.
        * bfd-in2.h: Regenerate.
        * configure: Regenerate.
        * ar.c: Include plugin.h.
        (main): Handle the --plugin option.
        * nm.c: Include plugin.h.
        (OPTION_PLUGIN): New.
        (long_options): Add plugin.
        (main): Handle OPTION_PLUGIN.
        * NEWS: Mention  the new feature.
        * doc/binutils: Documement the new command line options.
        * configure.in: Check for --enable-plugins.
        * configure: Regenerate.

1 files changed, 35 insertions, 6 deletions

diff --git a/binutils/ar.c b/binutils/ar.c
index 73ab1d46f0..d28419f4f1 100644
--- a/binutils/ar.c
+++ b/binutils/ar.c
@@ -1,6 +1,6 @@
 /* ar.c - Archive modify and extract.
    Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
    Free Software Foundation, Inc.
 
    This file is part of GNU Binutils.
@@ -37,6 +37,7 @@
 #include "arsup.h"
 #include "filenames.h"
 #include "binemul.h"
+#include "plugin.h"
 #include <sys/stat.h>
 
 #ifdef __GO32___
@@ -230,8 +231,14 @@ usage (int help)
   if (! is_ranlib)
     {
       /* xgettext:c-format */
-      fprintf (s, _("Usage: %s [emulation options] [-]{dmpqrstx}[abcfilNoPsSuvV] [member-name] [count] archive-file file...\n"),
-	       program_name);
+      const char * command_line =
+#if BFD_SUPPORTS_PLUGINS
+	_("Usage: %s [emulation options] [--plugin <name>] [-]{dmpqrstx}[abcfilNoPsSuvV] [member-name] [count] archive-file file...\n");
+#else
+	_("Usage: %s [emulation options] [-]{dmpqrstx}[abcfilNoPsSuvV] [member-name] [count] archive-file file...\n");
+#endif
+      fprintf (s, command_line, program_name);
+
       /* xgettext:c-format */
       fprintf (s, _("       %s -M [<mri-script]\n"), program_name);
       fprintf (s, _(" commands:\n"));
@@ -259,7 +266,10 @@ usage (int help)
       fprintf (s, _("  [v]          - be verbose\n"));
       fprintf (s, _("  [V]          - display the version number\n"));
       fprintf (s, _("  @<file>      - read options from <file>\n"));
-
+#if BFD_SUPPORTS_PLUGINS
+      fprintf (s, _(" optional:\n"));
+      fprintf (s, _("  --plugin <p> - load the specified plugin\n"));
+#endif
       ar_emul_usage (s);
     }
   else
@@ -268,8 +278,11 @@ usage (int help)
       fprintf (s, _("Usage: %s [options] archive\n"), program_name);
       fprintf (s, _(" Generate an index to speed access to archives\n"));
       fprintf (s, _(" The options are:\n\
-  @<file>                      Read options from <file>\n\
-  -t                           Update the archive's symbol map timestamp\n\
+  @<file>                      Read options from <file>\n"
+#if BFD_SUPPORTS_PLUGINS
+"  --plugin <name>              Load the specified plugin\n"
+#endif
+"  -t                           Update the archive's symbol map timestamp\n\
   -h --help                    Print this help message\n\
   -v --version                 Print version information\n"));
     }
@@ -480,6 +493,22 @@ main (int argc, char **argv)
   arg_index = 1;
   arg_ptr = argv[arg_index];
 
+  if (strcmp (arg_ptr, "--plugin") == 0)
+    {
+#if BFD_SUPPORTS_PLUGINS
+      if (argc < 4)
+	usage (1);
+
+      bfd_plugin_set_plugin (argv[2]);
+
+      arg_index += 2;
+      arg_ptr = argv[arg_index];
+#else
+      fprintf (stderr, _("sorry - this program has been built without plugin support\n"));
+      xexit (1);
+#endif
+    }
+
   if (*arg_ptr == '-')
     {
       /* When the first option starts with '-' we support POSIX-compatible