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/* Binutils emulation layer.
   Copyright 2002, 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
   Written by Tom Rix, Red Hat Inc.
 
   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 3 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., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, 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 bfd_boolean big_archive = TRUE;
 
/* Whether to include 32 bit objects.  */
static bfd_boolean X32 = TRUE;
 
/* Whether to include 64 bit objects.  */
static bfd_boolean X64 = FALSE;
 
static void
ar_emul_aix_usage (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 bfd_boolean
ar_emul_aix_internal (bfd **       after_bfd,
		      char *       file_name,
		      bfd_boolean  verbose,
		      const char * target_name,
		      bfd_boolean  is_append,
		      bfd_boolean  flatten ATTRIBUTE_UNUSED)
{
  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)->archive_next = temp;
 
  return TRUE;
}
 
 
static bfd_boolean
ar_emul_aix_append (bfd **after_bfd, char *file_name, bfd_boolean verbose,
                    bfd_boolean flatten)
{
  return ar_emul_aix_internal (after_bfd, file_name, verbose,
			       "aixcoff64-rs6000", TRUE, flatten);
}
 
static bfd_boolean
ar_emul_aix5_append (bfd **after_bfd, char *file_name, bfd_boolean verbose,
                     bfd_boolean flatten)
{
  return ar_emul_aix_internal (after_bfd, file_name, verbose,
			       "aix5coff64-rs6000", TRUE, flatten);
}
 
static bfd_boolean
ar_emul_aix_replace (bfd **after_bfd, char *file_name, bfd_boolean verbose)
{
  return ar_emul_aix_internal (after_bfd, file_name, verbose,
			       "aixcoff64-rs6000", FALSE, FALSE);
}
 
static bfd_boolean
ar_emul_aix5_replace (bfd **after_bfd, char *file_name, bfd_boolean verbose)
{
  return ar_emul_aix_internal (after_bfd, file_name, verbose,
			       "aix5coff64-rs6000", FALSE, FALSE);
}
 
static bfd_boolean
ar_emul_aix_parse_arg (char *arg)
{
  if (CONST_STRNEQ (arg, "-X32_64"))
    {
      big_archive = TRUE;
      X32 = TRUE;
      X64 = TRUE;
    }
  else if (CONST_STRNEQ (arg, "-X32"))
    {
      big_archive = TRUE;
      X32 = TRUE;
      X64 = FALSE;
    }
  else if (CONST_STRNEQ (arg, "-X64"))
    {
      big_archive = TRUE;
      X32 = FALSE;
      X64 = TRUE;
    }
  else if (CONST_STRNEQ (arg, "-g"))
    {
      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_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_aix_parse_arg,
};