Add AIX 64 shared library support and emulation layer for binutils

12 files changed, 628 insertions, 76 deletions

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index bc6de4bd94..e2ddf9361e 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,19 @@
+2002-03-18  Tom Rix  <trix@redhat.com>
+
+	* Makefile.am: Add binutils emulation support.
+	* configure.in: Same.
+	* configure.tgt: New file.  Same.
+	* ar.c (main): Use ar_emul_parse_arg.
+	(usage): Use ar_emul_usage.
+	(replace_members): Use ar_emul_replace, ar_emul_append.
+	* binemul.c: New file.  Define the binutils emulation
+	layer. Define default methods.
+	* binemul.h: New file.  Binutils emulation layer header file.
+	* emul_aix.c: New file.  AIX binutils emulation.
+	* emul_vanilla.c: New file. Default binutils emulation.
+	* Makefile.in: Regenerate.
+	* configure: Same.
+
 2002-03-18  Nick Clifton  <nickc@cambridge.redhat.com>
 
 	* po/fr.po: Updated version.
diff --git a/binutils/Makefile.am b/binutils/Makefile.am
index 94369cd5d7..6352cb1e44 100644
--- a/binutils/Makefile.am
+++ b/binutils/Makefile.am
@@ -62,7 +62,7 @@ noinst_PROGRAMS = $(NM_PROG) $(STRIP_PROG) $(DEMANGLER_PROG)
 
 EXTRA_PROGRAMS = $(NLMCONV_PROG) srconv sysdump coffdump $(DLLTOOL_PROG) $(WINDRES_PROG) $(DLLWRAP_PROG)
 
-# Stuff that goes in tooldir/ if appropriate
+# Stuff that goes in tooldir/ if appropriate.
 TOOL_PROGS = nm-new strip-new ar ranlib dlltool
 
 BASEDIR = $(srcdir)/..
@@ -71,10 +71,15 @@ INCDIR	= $(BASEDIR)/include
 
 MKDEP = gcc -MM
 
-INCLUDES = -D_GNU_SOURCE -I. -I$(srcdir) -I../bfd -I$(BFDDIR) -I$(INCDIR) @HDEFINES@ -I$(srcdir)/../intl -I../intl -DLOCALEDIR="\"$(prefix)/share/locale\""
+INCLUDES = -D_GNU_SOURCE \
+	 -I. -I$(srcdir) -I../bfd -I$(BFDDIR) -I$(INCDIR) \
+	 @HDEFINES@ \
+	 -I$(srcdir)/../intl -I../intl \
+	 -DLOCALEDIR="\"$(prefix)/share/locale\"" \
+	 -Dbin_dummy_emulation=$(EMULATION_VECTOR)
 
 HFILES = arsup.h bucomm.h budbg.h coffgrok.h debug.h nlmconv.h dlltool.h \
-	windres.h winduni.h
+	windres.h winduni.h binemul.h
 
 GENERATED_HFILES = arparse.h sysroff.h sysinfo.h defparse.h rcparse.h
 
@@ -84,7 +89,7 @@ CFILES = addr2line.c ar.c arsup.c bucomm.c coffdump.c coffgrok.c debug.c \
 	objcopy.c objdump.c prdbg.c rdcoff.c rddbg.c size.c srconv.c \
 	stabs.c strings.c sysdump.c version.c wrstabs.c \
 	windres.c resrc.c rescoff.c resbin.c winduni.c readelf.c \
-	resres.c dllwrap.c rename.c
+	resres.c dllwrap.c rename.c binemul.c emul_$(EMULATION).c 
 
 GENERATED_CFILES = \
 	underscore.c arparse.c arlex.c sysroff.c sysinfo.c syslex.c \
@@ -183,10 +188,12 @@ cplus-dem.o: $(BASEDIR)/libiberty/cplus-dem.c $(INCDIR)/getopt.h Makefile
 cxxfilt_SOURCES =
 cxxfilt_LDADD = cplus-dem.o underscore.o $(LIBIBERTY) $(INTLLIBS)
 
-ar_SOURCES = arparse.y arlex.l ar.c not-ranlib.c arsup.c rename.c $(BULIBS)
+ar_SOURCES = arparse.y arlex.l ar.c not-ranlib.c arsup.c rename.c binemul.c \
+	emul_$(EMULATION).c $(BULIBS)
 ar_LDADD = $(BFDLIB) $(LIBIBERTY) @LEXLIB@ $(INTLLIBS)
 
-ranlib_SOURCES = ar.c is-ranlib.c arparse.y arlex.l arsup.c rename.c $(BULIBS)
+ranlib_SOURCES = ar.c is-ranlib.c arparse.y arlex.l arsup.c rename.c \
+	binemul.c emul_$(EMULATION).c $(BULIBS)
 ranlib_LDADD = $(BFDLIB) $(LIBIBERTY) @LEXLIB@ $(INTLLIBS)
 
 addr2line_SOURCES = addr2line.c $(BULIBS)
diff --git a/binutils/Makefile.in b/binutils/Makefile.in
index 3bda86e8bb..b5aaeff4e3 100644
--- a/binutils/Makefile.in
+++ b/binutils/Makefile.in
@@ -80,6 +80,8 @@ DATADIRNAME = @DATADIRNAME@
 DEMANGLER_NAME = @DEMANGLER_NAME@
 DLLTOOL = @DLLTOOL@
 DLLTOOL_DEFS = @DLLTOOL_DEFS@
+EMULATION = @EMULATION@
+EMULATION_VECTOR = @EMULATION_VECTOR@
 EXEEXT = @EXEEXT@
 GCJ = @GCJ@
 GCJFLAGS = @GCJFLAGS@
@@ -169,7 +171,7 @@ noinst_PROGRAMS = $(NM_PROG) $(STRIP_PROG) $(DEMANGLER_PROG)
 
 EXTRA_PROGRAMS = $(NLMCONV_PROG) srconv sysdump coffdump $(DLLTOOL_PROG) $(WINDRES_PROG) $(DLLWRAP_PROG)
 
-# Stuff that goes in tooldir/ if appropriate
+# Stuff that goes in tooldir/ if appropriate.
 TOOL_PROGS = nm-new strip-new ar ranlib dlltool
 
 BASEDIR = $(srcdir)/..
@@ -178,10 +180,16 @@ INCDIR = $(BASEDIR)/include
 
 MKDEP = gcc -MM
 
-INCLUDES = -D_GNU_SOURCE -I. -I$(srcdir) -I../bfd -I$(BFDDIR) -I$(INCDIR) @HDEFINES@ -I$(srcdir)/../intl -I../intl -DLOCALEDIR="\"$(prefix)/share/locale\""
+INCLUDES = -D_GNU_SOURCE \
+	 -I. -I$(srcdir) -I../bfd -I$(BFDDIR) -I$(INCDIR) \
+	 @HDEFINES@ \
+	 -I$(srcdir)/../intl -I../intl \
+	 -DLOCALEDIR="\"$(prefix)/share/locale\"" \
+	 -Dbin_dummy_emulation=$(EMULATION_VECTOR)
+
 
 HFILES = arsup.h bucomm.h budbg.h coffgrok.h debug.h nlmconv.h dlltool.h \
-	windres.h winduni.h
+	windres.h winduni.h binemul.h
 
 
 GENERATED_HFILES = arparse.h sysroff.h sysinfo.h defparse.h rcparse.h
@@ -192,7 +200,7 @@ CFILES = addr2line.c ar.c arsup.c bucomm.c coffdump.c coffgrok.c debug.c \
 	objcopy.c objdump.c prdbg.c rdcoff.c rddbg.c size.c srconv.c \
 	stabs.c strings.c sysdump.c version.c wrstabs.c \
 	windres.c resrc.c rescoff.c resbin.c winduni.c readelf.c \
-	resres.c dllwrap.c rename.c
+	resres.c dllwrap.c rename.c binemul.c emul_$(EMULATION).c 
 
 
 GENERATED_CFILES = \
@@ -260,10 +268,14 @@ objdump_LDADD = $(OPCODES) $(BFDLIB) $(LIBIBERTY) $(INTLLIBS)
 cxxfilt_SOURCES = 
 cxxfilt_LDADD = cplus-dem.o underscore.o $(LIBIBERTY) $(INTLLIBS)
 
-ar_SOURCES = arparse.y arlex.l ar.c not-ranlib.c arsup.c rename.c $(BULIBS)
+ar_SOURCES = arparse.y arlex.l ar.c not-ranlib.c arsup.c rename.c binemul.c \
+	emul_$(EMULATION).c $(BULIBS)
+
 ar_LDADD = $(BFDLIB) $(LIBIBERTY) @LEXLIB@ $(INTLLIBS)
 
-ranlib_SOURCES = ar.c is-ranlib.c arparse.y arlex.l arsup.c rename.c $(BULIBS)
+ranlib_SOURCES = ar.c is-ranlib.c arparse.y arlex.l arsup.c rename.c \
+	binemul.c emul_$(EMULATION).c $(BULIBS)
+
 ranlib_LDADD = $(BFDLIB) $(LIBIBERTY) @LEXLIB@ $(INTLLIBS)
 
 addr2line_SOURCES = addr2line.c $(BULIBS)
@@ -360,8 +372,9 @@ objdump_DEPENDENCIES =  ../opcodes/libopcodes.la ../bfd/libbfd.la \
 ../libiberty/libiberty.a
 objdump_LDFLAGS = 
 ar_OBJECTS =  arparse.$(OBJEXT) arlex.$(OBJEXT) ar.$(OBJEXT) \
-not-ranlib.$(OBJEXT) arsup.$(OBJEXT) rename.$(OBJEXT) bucomm.$(OBJEXT) \
-version.$(OBJEXT) filemode.$(OBJEXT)
+not-ranlib.$(OBJEXT) arsup.$(OBJEXT) rename.$(OBJEXT) binemul.$(OBJEXT) \
+emul_$(EMULATION).$(OBJEXT) bucomm.$(OBJEXT) version.$(OBJEXT) \
+filemode.$(OBJEXT)
 ar_DEPENDENCIES =  ../bfd/libbfd.la ../libiberty/libiberty.a
 ar_LDFLAGS = 
 strings_OBJECTS =  strings.$(OBJEXT) bucomm.$(OBJEXT) version.$(OBJEXT) \
@@ -370,8 +383,9 @@ strings_LDADD = $(LDADD)
 strings_DEPENDENCIES =  ../bfd/libbfd.la ../libiberty/libiberty.a
 strings_LDFLAGS = 
 ranlib_OBJECTS =  ar.$(OBJEXT) is-ranlib.$(OBJEXT) arparse.$(OBJEXT) \
-arlex.$(OBJEXT) arsup.$(OBJEXT) rename.$(OBJEXT) bucomm.$(OBJEXT) \
-version.$(OBJEXT) filemode.$(OBJEXT)
+arlex.$(OBJEXT) arsup.$(OBJEXT) rename.$(OBJEXT) binemul.$(OBJEXT) \
+emul_$(EMULATION).$(OBJEXT) bucomm.$(OBJEXT) version.$(OBJEXT) \
+filemode.$(OBJEXT)
 ranlib_DEPENDENCIES =  ../bfd/libbfd.la ../libiberty/libiberty.a
 ranlib_LDFLAGS = 
 objcopy_OBJECTS =  objcopy.$(OBJEXT) not-strip.$(OBJEXT) \
@@ -421,7 +435,7 @@ configure.in deflex.c defparse.c nlmheader.c rclex.c rcparse.c
 
 DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
 
-TAR = tar
+TAR = gtar
 GZIP_ENV = --best
 SOURCES = $(nlmconv_SOURCES) $(srconv_SOURCES) $(sysdump_SOURCES) $(coffdump_SOURCES) $(dlltool_SOURCES) $(windres_SOURCES) $(dllwrap_SOURCES) $(size_SOURCES) $(objdump_SOURCES) $(ar_SOURCES) $(strings_SOURCES) $(ranlib_SOURCES) $(objcopy_SOURCES) $(addr2line_SOURCES) $(readelf_SOURCES) $(nm_new_SOURCES) $(strip_new_SOURCES) $(cxxfilt_SOURCES)
 OBJECTS = $(nlmconv_OBJECTS) $(srconv_OBJECTS) $(sysdump_OBJECTS) $(coffdump_OBJECTS) $(dlltool_OBJECTS) $(windres_OBJECTS) $(dllwrap_OBJECTS) $(size_OBJECTS) $(objdump_OBJECTS) $(ar_OBJECTS) $(strings_OBJECTS) $(ranlib_OBJECTS) $(objcopy_OBJECTS) $(addr2line_OBJECTS) $(readelf_OBJECTS) $(nm_new_OBJECTS) $(strip_new_OBJECTS) $(cxxfilt_OBJECTS)
diff --git a/binutils/ar.c b/binutils/ar.c
index 92d9b35bfb..8876330189 100644
--- a/binutils/ar.c
+++ b/binutils/ar.c
@@ -3,29 +3,29 @@
    2001, 2002
    Free Software Foundation, Inc.
 
-This file is part of GNU Binutils.
+   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 2 of the License, or
-(at your option) any later version.
+   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 2 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.
+   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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 /*
    Bugs: should use getopt the way tar does (complete w/optional -) and
    should have long options too. GNU ar used to check file against filesystem
    in quick_update and replace operations (would check mtime). Doesn't warn
    when name truncated. No way to specify pos_end. Error messages should be
-   more consistant.
-*/
+   more consistant.  */
+
 #include "bfd.h"
 #include "libiberty.h"
 #include "progress.h"
@@ -34,6 +34,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include "libbfd.h"
 #include "arsup.h"
 #include "filenames.h"
+#include "binemul.h"
 #include <sys/stat.h>
 
 #ifdef __GO32___
@@ -251,7 +252,7 @@ usage (help)
   if (! is_ranlib)
     {
       /* xgettext:c-format */
-      fprintf (s, _("Usage: %s [-X32_64] [-]{dmpqrstx}[abcfilNoPsSuvV] [member-name] [count] archive-file file...\n"),
+      fprintf (s, _("Usage: %s [emulation options] [-]{dmpqrstx}[abcfilNoPsSuvV] [member-name] [count] archive-file file...\n"),
 	       program_name);
       /* xgettext:c-format */
       fprintf (s, _("       %s -M [<mri-script]\n"), program_name);
@@ -277,7 +278,8 @@ usage (help)
       fprintf (s, _("  [S]          - do not build a symbol table\n"));
       fprintf (s, _("  [v]          - be verbose\n"));
       fprintf (s, _("  [V]          - display the version number\n"));
-      fprintf (s, _("  [-X32_64]    - (ignored)\n"));
+
+      ar_emul_usage (s);
     }
   else
     {
@@ -383,6 +385,7 @@ main (argc, argv)
   int file_count;
   char *inarch_filename;
   int show_version;
+  int i;
 
 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
   setlocale (LC_MESSAGES, "");
@@ -444,17 +447,12 @@ main (argc, argv)
 
   xatexit (remove_output);
 
-  /* Ignored for (partial) AIX compatibility.  On AIX,
-     the -X option can be used to ignore certain kinds
-     of object files in the archive (the 64-bit objects
-     or the 32-bit objects).  GNU ar always looks at all
-     kinds of objects in an archive.  */
-  while (argc > 1 && strcmp (argv[1], "-X32_64") == 0)
-    {
-      argv++;
-      argc--;
-    }
-
+  for (i = 1; i < argc; i++)
+    if (! ar_emul_parse_arg (argv[i]))
+      break;
+  argv += (i - 1);
+  argc -= (i - 1);
+  	  
   if (is_ranlib)
     {
       boolean touch = false;
@@ -1341,24 +1339,13 @@ replace_members (arch, files_to_move, quick)
 
 		  after_bfd = get_pos_bfd (&arch->next, pos_after,
 					   current->filename);
-		  temp = *after_bfd;
-
-		  *after_bfd = bfd_openr (*files_to_move, NULL);
-		  if (*after_bfd == (bfd *) NULL)
+		  if (ar_emul_replace (after_bfd, *files_to_move, 
+				       verbose))
 		    {
-		      bfd_fatal (*files_to_move);
+		      /* Snip out this entry from the chain.  */
+		      *current_ptr = (*current_ptr)->next;
+		      changed = true;
 		    }
-		  (*after_bfd)->next = temp;
-
-		  /* snip out this entry from the chain */
-		  *current_ptr = (*current_ptr)->next;
-
-		  if (verbose)
-		    {
-		      printf ("r - %s\n", *files_to_move);
-		    }
-
-		  changed = true;
 
 		  goto next_file;
 		}
@@ -1367,22 +1354,9 @@ replace_members (arch, files_to_move, quick)
 	}
 
       /* Add to the end of the archive.  */
-
       after_bfd = get_pos_bfd (&arch->next, pos_end, NULL);
-      temp = *after_bfd;
-      *after_bfd = bfd_openr (*files_to_move, NULL);
-      if (*after_bfd == (bfd *) NULL)
-	{
-	  bfd_fatal (*files_to_move);
-	}
-      if (verbose)
-	{
-	  printf ("a - %s\n", *files_to_move);
-	}
-
-      (*after_bfd)->next = temp;
-
-      changed = true;
+      if (ar_emul_append (after_bfd, *files_to_move, verbose))
+	changed = true;
 
     next_file:;
 
diff --git a/binutils/binemul.c b/binutils/binemul.c
new file mode 100644
index 0000000000..2aad20d789
--- /dev/null
+++ b/binutils/binemul.c
@@ -0,0 +1,165 @@
+/* Binutils emulation layer.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   Written by Tom Rix, Redhat.
+
+   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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include "binemul.h"
+
+extern bin_emulation_xfer_type bin_dummy_emulation;
+
+void
+ar_emul_usage (fp)
+     FILE *fp;
+{
+  if (bin_dummy_emulation.ar_usage)
+    bin_dummy_emulation.ar_usage (fp);
+}
+
+void
+ar_emul_default_usage (fp)
+     FILE *fp;
+{
+  AR_EMUL_USAGE_PRINT_OPTION_HEADER (fp);
+  /* xgettext:c-format */
+  fprintf (fp, _("  No emulation specific options\n"));
+}
+
+boolean
+ar_emul_append (after_bfd, file_name, verbose)
+     bfd **after_bfd;
+     char *file_name;
+     boolean verbose;
+{
+  if (bin_dummy_emulation.ar_append)
+    return bin_dummy_emulation.ar_append (after_bfd, file_name, verbose);
+
+  return false;
+}
+
+boolean
+ar_emul_default_append (after_bfd, file_name, verbose)
+     bfd **after_bfd;
+     char *file_name;
+     boolean verbose;
+{
+  bfd *temp;
+
+  temp = *after_bfd;
+  *after_bfd = bfd_openr (file_name, NULL);
+
+  AR_EMUL_ELEMENT_CHECK (*after_bfd, file_name);
+  AR_EMUL_APPEND_PRINT_VERBOSE (verbose, file_name);
+
+  (*after_bfd)->next = temp;
+
+  return true;
+}
+
+boolean
+ar_emul_replace (after_bfd, file_name, verbose)
+     bfd **after_bfd;
+     char *file_name;
+     boolean verbose;
+{
+  if (bin_dummy_emulation.ar_replace)
+    return bin_dummy_emulation.ar_replace (after_bfd, file_name, verbose);
+
+  return false;
+}
+
+boolean
+ar_emul_default_replace (after_bfd, file_name, verbose)
+     bfd **after_bfd;
+     char *file_name;
+     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)->next = temp;
+
+  return true;
+}
+
+boolean
+ar_emul_create (abfd_out, archive_file_name, file_name)
+     bfd **abfd_out;
+     char *archive_file_name;
+     char *file_name;
+{
+  if (bin_dummy_emulation.ar_create)
+    return bin_dummy_emulation.ar_create (abfd_out, archive_file_name, 
+					  file_name);
+
+  return false;
+}
+
+boolean
+ar_emul_default_create (abfd_out, archive_file_name, file_name)
+     bfd **abfd_out;
+     char *archive_file_name;
+     char *file_name;
+{
+  char *target = NULL;
+
+  /* Try to figure out the target to use for the archive from the
+     first object on the list.  */
+  if (file_name != NULL)
+    {
+      bfd *obj;
+
+      obj = bfd_openr (file_name, NULL);
+      if (obj != NULL)
+	{
+	  if (bfd_check_format (obj, bfd_object))
+	    target = bfd_get_target (obj);
+	  (void) bfd_close (obj);
+	}
+    }
+
+  /* Create an empty archive.  */
+  *abfd_out = bfd_openw (archive_file_name, target);
+  if (*abfd_out == NULL
+      || ! bfd_set_format (*abfd_out, bfd_archive)
+      || ! bfd_close (*abfd_out))
+    bfd_fatal (archive_file_name);
+
+  return true;
+}
+
+boolean
+ar_emul_parse_arg (arg)
+     char *arg;
+{
+  if (bin_dummy_emulation.ar_parse_arg)
+    return bin_dummy_emulation.ar_parse_arg (arg);
+
+  return false;
+}
+
+boolean
+ar_emul_default_parse_arg (arg)
+     char *arg;
+{
+  return false;
+}
diff --git a/binutils/binemul.h b/binutils/binemul.h
new file mode 100644
index 0000000000..412653d838
--- /dev/null
+++ b/binutils/binemul.h
@@ -0,0 +1,64 @@
+/* Binutils emulation layer.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   Written by Tom Rix, Redhat.
+
+   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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifndef BINEMUL_H
+#define BINEMUL_H
+
+#include "bfd.h"
+#include "bucomm.h"
+
+extern void ar_emul_usage                PARAMS ((FILE *));
+extern void ar_emul_default_usage        PARAMS ((FILE *));
+extern boolean ar_emul_append            PARAMS ((bfd **, char *, boolean));
+extern boolean ar_emul_default_append    PARAMS ((bfd **, char *, boolean));
+extern boolean ar_emul_replace           PARAMS ((bfd **, char *, boolean));
+extern boolean ar_emul_default_replace   PARAMS ((bfd **, char *, boolean));
+extern boolean ar_emul_create            PARAMS ((bfd **, char *, char *));
+extern boolean ar_emul_default_create    PARAMS ((bfd **, char *, char *));
+extern boolean ar_emul_parse_arg         PARAMS ((char *));
+extern boolean ar_emul_default_parse_arg PARAMS ((char *));
+
+/* Macros for common output.  */
+
+#define AR_EMUL_USAGE_PRINT_OPTION_HEADER(fp) \
+  /* xgettext:c-format */                     \
+  fprintf (fp, _(" emulation options: \n"))
+
+#define AR_EMUL_ELEMENT_CHECK(abfd, file_name) \
+  do { if ((abfd) == (bfd *) NULL) bfd_fatal (file_name); } while (0)
+
+#define AR_EMUL_APPEND_PRINT_VERBOSE(verbose, file_name) \
+  do { if (verbose) printf ("a - %s\n", file_name); } while (0)
+
+#define AR_EMUL_REPLACE_PRINT_VERBOSE(verbose, file_name) \
+  do { if (verbose) printf ("r - %s\n", file_name); } while (0)
+
+typedef struct bin_emulation_xfer_struct 
+{
+  /* Print out the extra options.  */
+  void    (* ar_usage)     PARAMS ((FILE *fp));
+  boolean (* ar_append)    PARAMS ((bfd **, char *, boolean));
+  boolean (* ar_replace)   PARAMS ((bfd **, char *, boolean));
+  boolean (* ar_create)    PARAMS ((bfd **, char *, char *));
+  boolean (* ar_parse_arg) PARAMS ((char *));
+}
+bin_emulation_xfer_type;
+
+#endif 
diff --git a/binutils/configure b/binutils/configure
index 8d119d13e6..11cfd4e35c 100755
--- a/binutils/configure
+++ b/binutils/configure
@@ -5596,6 +5596,26 @@ else
 fi
 
 
+# Emulation 
+for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
+do
+  # Canonicalize the secondary target names.
+ result=`$ac_config_sub $targ_alias 2>/dev/null`
+ if test -n "$result"; then
+   targ=$result
+ else
+   targ=$targ_alias
+ fi
+
+ . ${srcdir}/configure.tgt
+
+  EMULATION=$targ_emul
+  EMULATION_VECTOR=$targ_emul_vector	
+done
+
+
+
+
 trap '' 1 2 15
 cat > confcache <<\EOF
 # This file is a shell script that caches the results of configure
@@ -5807,6 +5827,8 @@ s%@BUILD_DLLWRAP@%$BUILD_DLLWRAP%g
 s%@BUILD_MISC@%$BUILD_MISC%g
 s%@OBJDUMP_DEFS@%$OBJDUMP_DEFS%g
 s%@UNDERSCORE@%$UNDERSCORE%g
+s%@EMULATION@%$EMULATION%g
+s%@EMULATION_VECTOR@%$EMULATION_VECTOR%g
 
 CEOF
 EOF
diff --git a/binutils/configure.in b/binutils/configure.in
index 42381bb98c..26a88f1f9b 100644
--- a/binutils/configure.in
+++ b/binutils/configure.in
@@ -313,6 +313,26 @@ else
 fi
 AC_SUBST(UNDERSCORE)
 
+# Emulation 
+for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
+do
+  # Canonicalize the secondary target names.
+ result=`$ac_config_sub $targ_alias 2>/dev/null`
+ if test -n "$result"; then
+   targ=$result
+ else
+   targ=$targ_alias
+ fi
+
+ . ${srcdir}/configure.tgt
+
+  EMULATION=$targ_emul
+  EMULATION_VECTOR=$targ_emul_vector	
+done
+
+AC_SUBST(EMULATION)
+AC_SUBST(EMULATION_VECTOR)
+
 AC_OUTPUT(Makefile doc/Makefile po/Makefile.in:po/Make-in,
 [
 case "x$CONFIG_FILES" in
diff --git a/binutils/configure.tgt b/binutils/configure.tgt
new file mode 100644
index 0000000000..2d5ce2b8a8
--- /dev/null
+++ b/binutils/configure.tgt
@@ -0,0 +1,26 @@
+# This is the binutils target specific file.  This is invoked by the
+# autoconf generated configure script.  Putting it in a separate shell
+# file lets us skip running autoconf when modifying target specific
+# information.
+
+# This file switches on the shell variable ${targ}, and sets the
+# following shell variables:
+# targ_emul		name of emulation to use
+# targ_emul_vector	name of vector to use
+
+case "${targ}" in
+    powerpc-*-aix5* | rs6000-*-aix5*)
+	targ_emul=aix 
+	targ_emul_vector=bin_aix5_emulation 
+        ;;
+
+    powerpc-*-aix4.3* | rs6000-*-aix4.3*)
+	targ_emul=aix 
+        targ_emul_vector=bin_aix_emulation 
+        ;;
+
+    *)
+        targ_emul=vanilla 
+        targ_emul_vector=bin_vanilla_emulation 
+        ;;
+esac
diff --git a/binutils/doc/Makefile.in b/binutils/doc/Makefile.in
index 5ac149fa59..294d739712 100644
--- a/binutils/doc/Makefile.in
+++ b/binutils/doc/Makefile.in
@@ -81,6 +81,8 @@ DATADIRNAME = @DATADIRNAME@
 DEMANGLER_NAME = @DEMANGLER_NAME@
 DLLTOOL = @DLLTOOL@
 DLLTOOL_DEFS = @DLLTOOL_DEFS@
+EMULATION = @EMULATION@
+EMULATION_VECTOR = @EMULATION_VECTOR@
 EXEEXT = @EXEEXT@
 EXEEXT_FOR_BUILD = @EXEEXT_FOR_BUILD@
 GCJ = @GCJ@
@@ -175,7 +177,7 @@ DIST_COMMON =  Makefile.am Makefile.in
 
 DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
 
-TAR = tar
+TAR = gtar
 GZIP_ENV = --best
 all: all-redirect
 .SUFFIXES:
diff --git a/binutils/emul_aix.c b/binutils/emul_aix.c
new file mode 100644
index 0000000000..fe3551e5ee
--- /dev/null
+++ b/binutils/emul_aix.c
@@ -0,0 +1,212 @@
+/* Binutils emulation layer.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   Written by Tom Rix, Redhat.
+
+   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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 boolean big_archive = true;
+
+/* Whether to include 32 bit objects.  */
+static boolean X32 = true;
+
+/* Whether to include 64 bit objects.  */
+static boolean X64 = false;
+
+static void    ar_emul_aix_usage     PARAMS ((FILE *));
+static boolean ar_emul_aix_append    PARAMS ((bfd **, char *, boolean));
+static boolean ar_emul_aix5_append   PARAMS ((bfd **, char *, boolean));
+static boolean ar_emul_aix_replace   PARAMS ((bfd **, char *, boolean));
+static boolean ar_emul_aix5_replace  PARAMS ((bfd **, char *, boolean));
+static boolean ar_emul_aix_parse_arg PARAMS ((char *));
+static boolean ar_emul_aix_internal  PARAMS ((bfd **, char *, boolean,
+					      const char *, boolean));
+
+static void
+ar_emul_aix_usage (fp)
+     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 boolean
+ar_emul_aix_internal (after_bfd, file_name, verbose, target_name, is_append)
+     bfd **after_bfd;
+     char *file_name;
+     boolean verbose;
+     const char * target_name;
+     boolean is_append;
+{
+  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)->next = temp;
+
+  return true;
+}
+
+
+static boolean
+ar_emul_aix_append (after_bfd, file_name, verbose)
+     bfd **after_bfd;
+     char *file_name;
+     boolean verbose;
+{
+  return ar_emul_aix_internal (after_bfd, file_name, verbose,
+			       "aixcoff64-rs6000", true);
+}
+
+static boolean
+ar_emul_aix5_append (after_bfd, file_name, verbose)
+     bfd **after_bfd;
+     char *file_name;
+     boolean verbose;
+{
+  return ar_emul_aix_internal (after_bfd, file_name, verbose,
+			       "aix5coff64-rs6000", true);
+}
+
+static boolean
+ar_emul_aix_replace (after_bfd, file_name, verbose)
+     bfd **after_bfd;
+     char *file_name;
+     boolean verbose;
+{
+  return ar_emul_aix_internal (after_bfd, file_name, verbose,
+			       "aixcoff64-rs6000", false);
+}
+
+static boolean
+ar_emul_aix5_replace (after_bfd, file_name, verbose)
+     bfd **after_bfd;
+     char *file_name;
+     boolean verbose;
+{
+  return ar_emul_aix_internal (after_bfd, file_name, verbose,
+			       "aix5coff64-rs6000", false);
+}
+
+boolean 
+ar_emul_aix_create (abfd_out, archive_file_name, file_name)
+     bfd **abfd_out;
+     char *archive_file_name;
+     char *file_name ATTRIBUTE_UNUSED;
+{
+  char *target = "aixcoff-rs6000";
+
+  /* Create an empty archive.  */
+  *abfd_out = bfd_openw (archive_file_name, target);
+
+  if (*abfd_out == NULL)
+    bfd_fatal (archive_file_name);
+
+  /* set to small or big format.  */
+  /* not done.  */
+  return true;
+}
+
+static boolean
+ar_emul_aix_parse_arg (arg)
+     char *arg;
+{
+  if (strncmp (arg, "-X32_64", 6) == 0)
+    {
+      big_archive = true;
+      X32 = true;
+      X64 = true;
+    }
+  else if (strncmp (arg, "-X32", 3) == 0)
+    {
+      big_archive = true;
+      X32 = true;
+      X64 = false;
+    }
+  else if (strncmp (arg, "-X64", 3) == 0)
+    {
+      big_archive = true;
+      X32 = false;
+      X64 = true;
+    }
+  else if (strncmp (arg, "-g", 2) == 0)
+    {
+      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_default_create,
+  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_default_create,
+  ar_emul_aix_parse_arg,
+};
diff --git a/binutils/emul_vanilla.c b/binutils/emul_vanilla.c
new file mode 100644
index 0000000000..170db5b4f6
--- /dev/null
+++ b/binutils/emul_vanilla.c
@@ -0,0 +1,30 @@
+/* Binutils emulation layer.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   Written by Tom Rix, Redhat.
+
+   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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include "binemul.h"
+
+struct bin_emulation_xfer_struct bin_vanilla_emulation = 
+{
+  ar_emul_default_usage,
+  ar_emul_default_append,
+  ar_emul_default_replace,
+  ar_emul_default_create,
+  ar_emul_default_parse_arg,
+};