bfd/cpu-h8300.c

   1 /* BFD library support routines for the Hitachi H8/300 architecture.
   2    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 2000
   3    Free Software Foundation, Inc.
   4    Hacked by Steve Chamberlain of Cygnus Support.
   5
   6 This file is part of BFD, the Binary File Descriptor library.
   7
   8 This program is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2 of the License, or
  11 (at your option) any later version.
  12
  13 This program is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with this program; if not, write to the Free Software
  20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  21
  22 #include "bfd.h"
  23 #include "sysdep.h"
  24 #include "libbfd.h"
  25
  26 int bfd_default_scan_num_mach ();
  27
  28 static boolean
  29 h8300_scan (info, string)
  30      const struct bfd_arch_info *info;
  31      const char *string;
  32 {
  33   if (*string != 'h' && *string != 'H')
  34     return false;
  35
  36   string++;
  37   if (*string != '8')
  38     return false;
  39
  40   string++;
  41   if (*string == '/')
  42     string++;
  43
  44   if (*string != '3')
  45     return false;
  46   string++;
  47   if (*string != '0')
  48     return false;
  49   string++;
  50   if (*string != '0')
  51     return false;
  52   string++;
  53   if (*string == '-')
  54     string++;
  55   if (*string == 'h' || *string == 'H')
  56     {
  57       return (info->mach == bfd_mach_h8300h);
  58     }
  59   else if (*string == 's' || *string == 'S')
  60     {
  61       return (info->mach == bfd_mach_h8300s);
  62     }
  63   else
  64     {
  65       return info->mach == bfd_mach_h8300;
  66     }
  67 }
  68
  69 /* This routine is provided two arch_infos and works out the machine
  70    which would be compatible with both and returns a pointer to its
  71    info structure.  */
  72
  73 static const bfd_arch_info_type *
  74 compatible (in, out)
  75      const bfd_arch_info_type *in;
  76      const bfd_arch_info_type *out;
  77 {
  78   /* It's really not a good idea to mix and match modes.  */
  79   if (in->mach != out->mach)
  80     return 0;
  81   else
  82     return in;
  83 }
  84
  85 static const bfd_arch_info_type h8300_info_struct =
  86 {
  87   16,                           /* 16 bits in a word */
  88   16,                           /* 16 bits in an address */
  89   8,                            /* 8 bits in a byte */
  90   bfd_arch_h8300,
  91   bfd_mach_h8300,
  92   "h8300",                      /* arch_name  */
  93   "h8300",                      /* printable name */
  94   1,
  95   true,                         /* the default machine */
  96   compatible,
  97   h8300_scan,
  98 #if 0
  99   local_bfd_reloc_type_lookup,
 100 #endif
 101   0,
 102 };
 103
 104 static const bfd_arch_info_type h8300h_info_struct =
 105 {
 106   32,                           /* 32 bits in a word */
 107   32,                           /* 32 bits in an address */
 108   8,                            /* 8 bits in a byte */
 109   bfd_arch_h8300,
 110   bfd_mach_h8300h,
 111   "h8300h",                     /* arch_name  */
 112   "h8300h",                     /* printable name */
 113   1,
 114   false,                        /* the default machine */
 115   compatible,
 116   h8300_scan,
 117 #if 0
 118   local_bfd_reloc_type_lookup,
 119 #endif
 120   &h8300_info_struct,
 121 };
 122
 123 const bfd_arch_info_type bfd_h8300_arch =
 124 {
 125   32,                           /* 32 bits in a word */
 126   32,                           /* 32 bits in an address */
 127   8,                            /* 8 bits in a byte */
 128   bfd_arch_h8300,
 129   bfd_mach_h8300s,
 130   "h8300s",                     /* arch_name  */
 131   "h8300s",                     /* printable name */
 132   1,
 133   false,                        /* the default machine */
 134   compatible,
 135   h8300_scan,
 136 #if 0
 137   local_bfd_reloc_type_lookup,
 138 #endif
 139   &h8300h_info_struct,
 140 };