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/* Binutils emulation layer.

   Copyright 2002, 2003, 2005, 2006, 2007, 2008, 2010

   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>.  */

/* FIXME: write only variable.  */

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

check_aix (bfd *try_bfd)

{

  extern const bfd_target rs6000coff_vec;

  extern const bfd_target rs6000coff64_vec;

  extern const bfd_target aix5coff64_vec;

  if (bfd_check_format (try_bfd, bfd_object))

    {

      if (!X32 && try_bfd->xvec == &rs6000coff_vec)

        return FALSE;

      if (!X64 && (try_bfd->xvec == &rs6000coff64_vec

                   || try_bfd->xvec == &aix5coff64_vec))

        return FALSE;

    }

  return TRUE;

}

static bfd_boolean

ar_emul_aix_append (bfd **after_bfd, char *file_name, const char *target,

                    bfd_boolean verbose, bfd_boolean flatten)

{

  bfd *new_bfd;

  new_bfd = bfd_openr (file_name, target);

  AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);

  return do_ar_emul_append (after_bfd, new_bfd, verbose, flatten, check_aix);

}

static bfd_boolean

ar_emul_aix_replace (bfd **after_bfd, char *file_name, const char *target,

                     bfd_boolean verbose)

{

  bfd *new_bfd;

  new_bfd = bfd_openr (file_name, target);

  AR_EMUL_ELEMENT_CHECK (new_bfd, file_name);

  if (!check_aix (new_bfd))

    return FALSE;

  AR_EMUL_REPLACE_PRINT_VERBOSE (verbose, file_name);

  new_bfd->archive_next = *after_bfd;

  *after_bfd = new_bfd;

  return TRUE;

}

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,

};