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/* BFD back-end for rs6000 support

   Copyright 1990, 1991, 1993, 1995, 2000, 2002, 2003, 2005, 2007

   Free Software Foundation, Inc.

   Written by Mimi Phuong-Thao Vo of IBM

   and John Gilmore of Cygnus Support.

   This file is part of BFD, the Binary File Descriptor library.

   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 "sysdep.h"

#include "bfd.h"

#include "libbfd.h"

/* The RS/6000 architecture is compatible with the PowerPC common

   architecture.  */

static const bfd_arch_info_type *rs6000_compatible

  PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));

static const bfd_arch_info_type *

rs6000_compatible (a,b)

     const bfd_arch_info_type *a;

     const bfd_arch_info_type *b;

{

  BFD_ASSERT (a->arch == bfd_arch_rs6000);

  switch (b->arch)

    {

    default:

      return NULL;

    case bfd_arch_rs6000:

      return bfd_default_compatible (a, b);

    case bfd_arch_powerpc:

      if (a->mach == bfd_mach_rs6k)

        return b;

      return NULL;

    }

  /*NOTREACHED*/

}

static const bfd_arch_info_type arch_info_struct[] =

{

  {

    32, /* 32 bits in a word */

    32, /* 32 bits in an address */

    8,  /* 8 bits in a byte */

    bfd_arch_rs6000,

    bfd_mach_rs6k_rs1,

    "rs6000",

    "rs6000:rs1",

    3,

    FALSE, /* not the default */

    rs6000_compatible,

    bfd_default_scan,

    bfd_arch_default_fill,

    &arch_info_struct[1]

  },

  {

    32, /* 32 bits in a word */

    32, /* 32 bits in an address */

    8,  /* 8 bits in a byte */

    bfd_arch_rs6000,

    bfd_mach_rs6k_rsc,

    "rs6000",

    "rs6000:rsc",

    3,

    FALSE, /* not the default */

    rs6000_compatible,

    bfd_default_scan,

    bfd_arch_default_fill,

    &arch_info_struct[2]

  },

  {

    32, /* 32 bits in a word */

    32, /* 32 bits in an address */

    8,  /* 8 bits in a byte */

    bfd_arch_rs6000,

    bfd_mach_rs6k_rs2,

    "rs6000",

    "rs6000:rs2",

    3,

    FALSE, /* not the default */

    rs6000_compatible,

    bfd_default_scan,

    bfd_arch_default_fill,

  }

};

const bfd_arch_info_type bfd_rs6000_arch =

  {

    32, /* 32 bits in a word */

    32, /* 32 bits in an address */

    8,  /* 8 bits in a byte */

    bfd_arch_rs6000,

    bfd_mach_rs6k,      /* POWER common architecture */

    "rs6000",

    "rs6000:6000",

    3,

    TRUE, /* the default */

    rs6000_compatible,

    bfd_default_scan,

    bfd_arch_default_fill,

    &arch_info_struct[0]

  };