/* BFD back-end for rs6000 support

   Copyright (C) 1990-2025 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 (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*/

}

#define N(NUMBER, PRINT, DEFAULT, NEXT)     \

  {             \

    32,        /* Bits in a word.  */     \

    32,        /* Bits in an address.  */   \

    8,         /* Bits in a byte.  */     \

    bfd_arch_rs6000,          \

    NUMBER,           \

    "rs6000",           \

    PRINT,            \

    3,    /* Section alignment power.  */   \

    DEFAULT,            \

    rs6000_compatible,          \

    bfd_default_scan,         \

    bfd_arch_default_fill,        \

    NEXT,           \

    0 /* Maximum offset of a reloc from the start of an insn.  */ \

  }

static const bfd_arch_info_type arch_info_struct[3] =

{

  N (bfd_mach_rs6k_rs1, "rs6000:rs1", false, arch_info_struct + 1),

  N (bfd_mach_rs6k_rsc, "rs6000:rsc", false, arch_info_struct + 2),

  N (bfd_mach_rs6k_rs2, "rs6000:rs2", false, NULL)

};

const bfd_arch_info_type bfd_rs6000_arch =

  N (bfd_mach_rs6k, "rs6000:6000", true, arch_info_struct + 0);