/* BFD support for KVX.

   Copyright (C) 2009-2025 Free Software Foundation, Inc.

   Contributed by Kalray SA.

   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; see the file COPYING3. If not,

   see <http://www.gnu.org/licenses/>.  */

#include "sysdep.h"

#include "bfd.h"

#include "libbfd.h"

/* This routine is provided two arch_infos and returns if machines

   are compatible.

*/

static const bfd_arch_info_type *

kvx_compatible (const bfd_arch_info_type *a, const bfd_arch_info_type *b)

{

  long amach =  a->mach, bmach =  b->mach;

  /* If a & b are for different architecture we can do nothing.  */

  if (a->arch != b->arch)

    return NULL;

  if ((amach == bfd_mach_kv3_1_64 && bmach == bfd_mach_kv3_1_usr)

      || (amach == bfd_mach_kv3_2_64 && bmach == bfd_mach_kv3_2_usr))

    return b;

  if ((bmach == bfd_mach_kv3_1_64 && amach == bfd_mach_kv3_1_usr)

      || (bmach == bfd_mach_kv3_2_64 && amach == bfd_mach_kv3_2_usr))

    return a;

  /* Otherwise if either a or b is the 'default' machine

   * then it can be polymorphed into the other.

   * This will enable to execute merge_private_bfd_data

   */

  if (a->the_default)

    return b;

  if (b->the_default)

    return a;

  /* We do not want to transmute some machine into another one */

  if (amach != bmach)

    return NULL;

  /* If a & b are for the same machine then all is well.  */

  if (amach == bmach)

    return a;

  return NULL;

}

static bool

scan (const struct bfd_arch_info *info, const char *string)

{

  /* First test for an exact match.  */

  if (strcasecmp (string, info->printable_name) == 0)

    return true;

  /* Finally check for the default architecture.  */

  if (strcasecmp (string, "kvx") == 0)

    return info->the_default;

  return false;

}

#define N(addr_bits, machine, print, default, next)            \

{                                                              \

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

  addr_bits,                   /* bits in an address.  */      \

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

  bfd_arch_kvx,                                                 \

  machine,                     /* Machine number.  */          \

  "kvx",                        /* Architecture name.   */      \

  print,                       /* Printable name.  */          \

  4,                           /* Section align power.  */     \

  default,                     /* Is this the default ?  */    \

  kvx_compatible,                \

  scan,                                                        \

  bfd_arch_default_fill,                                       \

  next,                                                \

          0                                            \

}

const bfd_arch_info_type bfd_kv4_1_usr_arch =

  N (64 , bfd_mach_kv4_1_usr , "kvx:kv4-1:usr" , false , NULL);

const bfd_arch_info_type bfd_kv3_2_usr_arch =

  N (64 , bfd_mach_kv3_2_usr , "kvx:kv3-2:usr" , false , &bfd_kv4_1_usr_arch);

const bfd_arch_info_type bfd_kv3_1_usr_arch =

  N (64 , bfd_mach_kv3_1_usr , "kvx:kv3-1:usr" , false , &bfd_kv3_2_usr_arch);

const bfd_arch_info_type bfd_kv4_1_64_arch =

  N (64 , bfd_mach_kv4_1_64  , "kvx:kv4-1:64"  , false , &bfd_kv3_1_usr_arch);

const bfd_arch_info_type bfd_kv3_2_64_arch =

  N (64 , bfd_mach_kv3_2_64  , "kvx:kv3-2:64"  , false , &bfd_kv4_1_64_arch);

const bfd_arch_info_type bfd_kv3_1_64_arch =

  N (64 , bfd_mach_kv3_1_64  , "kvx:kv3-1:64"  , false , &bfd_kv3_2_64_arch);

const bfd_arch_info_type bfd_kv4_1_arch =

  N (32 , bfd_mach_kv4_1     , "kvx:kv4-1"     , false , &bfd_kv3_1_64_arch);

const bfd_arch_info_type bfd_kv3_2_arch =

  N (32 , bfd_mach_kv3_2     , "kvx:kv3-2"     , false , &bfd_kv4_1_arch);

const bfd_arch_info_type bfd_kvx_arch =

  N (32 , bfd_mach_kv3_1     , "kvx:kv3-1"     , true  , &bfd_kv3_2_arch);