bfd/cpu-kvx.c

   1 /* BFD support for KVX.
   2    Copyright (C) 2009-2023 Free Software Foundation, Inc.
   3    Contributed by Kalray SA.
   4
   5    This file is part of BFD, the Binary File Descriptor library.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; see the file COPYING3. If not,
  19    see <http://www.gnu.org/licenses/>.  */
  20
  21 #include "sysdep.h"
  22 #include "bfd.h"
  23 #include "libbfd.h"
  24
  25 /* This routine is provided two arch_infos and returns if machines
  26    are compatible.
  27 */
  28
  29 static const bfd_arch_info_type *
  30 kvx_compatible (const bfd_arch_info_type *a, const bfd_arch_info_type *b)
  31 {
  32   long amach =  a->mach, bmach =  b->mach;
  33   /* If a & b are for different architecture we can do nothing.  */
  34   if (a->arch != b->arch)
  35     return NULL;
  36
  37   if ((amach == bfd_mach_kv3_1_64 && bmach == bfd_mach_kv3_1_usr)
  38       || (amach == bfd_mach_kv3_2_64 && bmach == bfd_mach_kv3_2_usr))
  39     return b;
  40
  41   if ((bmach == bfd_mach_kv3_1_64 && amach == bfd_mach_kv3_1_usr)
  42       || (bmach == bfd_mach_kv3_2_64 && amach == bfd_mach_kv3_2_usr))
  43     return a;
  44
  45   /* Otherwise if either a or b is the 'default' machine
  46    * then it can be polymorphed into the other.
  47    * This will enable to execute merge_private_bfd_data
  48    */
  49   if (a->the_default)
  50     return b;
  51
  52   if (b->the_default)
  53     return a;
  54
  55   /* We do not want to transmute some machine into another one */
  56   if (amach != bmach)
  57     return NULL;
  58
  59   /* If a & b are for the same machine then all is well.  */
  60   if (amach == bmach)
  61     return a;
  62
  63   return NULL;
  64 }
  65
  66 static bool
  67 scan (const struct bfd_arch_info *info, const char *string)
  68 {
  69   /* First test for an exact match.  */
  70   if (strcasecmp (string, info->printable_name) == 0)
  71     return true;
  72
  73   /* Finally check for the default architecture.  */
  74   if (strcasecmp (string, "kvx") == 0)
  75     return info->the_default;
  76
  77   return false;
  78 }
  79
  80 #define N(addr_bits, machine, print, default, next)            \
  81 {                                                              \
  82   32,                          /* 32 bits in a word.  */       \
  83   addr_bits,                   /* bits in an address.  */      \
  84   8,                           /* 8 bits in a byte.  */        \
  85   bfd_arch_kvx,                                                 \
  86   machine,                     /* Machine number.  */          \
  87   "kvx",                        /* Architecture name.   */      \
  88   print,                       /* Printable name.  */          \
  89   4,                           /* Section align power.  */     \
  90   default,                     /* Is this the default ?  */    \
  91   kvx_compatible,                                              \
  92   scan,                                                        \
  93   bfd_arch_default_fill,                                       \
  94   next,                                                \
  95           0                                            \
  96 }
  97
  98
  99 const bfd_arch_info_type bfd_kv4_1_usr_arch =
 100   N (64 , bfd_mach_kv4_1_usr , "kvx:kv4-1:usr" , false , NULL);
 101
 102 const bfd_arch_info_type bfd_kv3_2_usr_arch =
 103   N (64 , bfd_mach_kv3_2_usr , "kvx:kv3-2:usr" , false , &bfd_kv4_1_usr_arch);
 104
 105 const bfd_arch_info_type bfd_kv3_1_usr_arch =
 106   N (64 , bfd_mach_kv3_1_usr , "kvx:kv3-1:usr" , false , &bfd_kv3_2_usr_arch);
 107
 108 const bfd_arch_info_type bfd_kv4_1_64_arch =
 109   N (64 , bfd_mach_kv4_1_64  , "kvx:kv4-1:64"  , false , &bfd_kv3_1_usr_arch);
 110
 111 const bfd_arch_info_type bfd_kv3_2_64_arch =
 112   N (64 , bfd_mach_kv3_2_64  , "kvx:kv3-2:64"  , false , &bfd_kv4_1_64_arch);
 113
 114 const bfd_arch_info_type bfd_kv3_1_64_arch =
 115   N (64 , bfd_mach_kv3_1_64  , "kvx:kv3-1:64"  , false , &bfd_kv3_2_64_arch);
 116
 117 const bfd_arch_info_type bfd_kv4_1_arch =
 118   N (32 , bfd_mach_kv4_1     , "kvx:kv4-1"     , false , &bfd_kv3_1_64_arch);
 119
 120 const bfd_arch_info_type bfd_kv3_2_arch =
 121   N (32 , bfd_mach_kv3_2     , "kvx:kv3-2"     , false , &bfd_kv4_1_arch);
 122
 123 const bfd_arch_info_type bfd_kvx_arch =
 124   N (32 , bfd_mach_kv3_1     , "kvx:kv3-1"     , true  , &bfd_kv3_2_arch);