Add AIX 64 shared library support and emulation layer for binutils

1 files changed, 212 insertions, 0 deletions

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,
+};