bfd/cpu-h8300.c

   1 /* BFD library support routines for the Hitachi H8/300 architecture.
   2    Copyright (C) 1990, 91, 92, 93, 94, 1995 Free Software Foundation, Inc.
   3    Hacked by Steve Chamberlain of Cygnus Support.
   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 2 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; if not, write to the Free Software
  19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 #include "bfd.h"
  22 #include "sysdep.h"
  23 #include "libbfd.h"
  24
  25 int bfd_default_scan_num_mach ();
  26
  27 static boolean
  28 h8300_scan (info, string)
  29      const struct bfd_arch_info *info;
  30      const char *string;
  31 {
  32   if (*string != 'h' && *string != 'H')
  33     return false;
  34
  35   string++;
  36   if (*string != '8')
  37     return false;
  38
  39   string++;
  40   if (*string == '/')
  41     string++;
  42
  43   if (*string != '3')
  44     return false;
  45   string++;
  46   if (*string != '0')
  47     return false;
  48   string++;
  49   if (*string != '0')
  50     return false;
  51   string++;
  52   if (*string == '-')
  53     string++;
  54   if (*string == 'h' || *string == 'H')
  55     {
  56       return (info->mach == bfd_mach_h8300h);
  57     }
  58   else if (*string == 's' || *string == 'S')
  59     {
  60       return (info->mach == bfd_mach_h8300s);
  61     }
  62   else
  63     {
  64       return info->mach == bfd_mach_h8300;
  65     }
  66 }
  67
  68
  69 /* This routine is provided two arch_infos and works out the
  70    machine which would be compatible with both and returns a pointer
  71    to its 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 /*    local_bfd_reloc_type_lookup, */
  99   0,
 100 };
 101
 102 static const bfd_arch_info_type h8300h_info_struct =
 103 {
 104   32,                           /* 32 bits in a word */
 105   32,                           /* 32 bits in an address */
 106   8,                            /* 8 bits in a byte */
 107   bfd_arch_h8300,
 108   bfd_mach_h8300h,
 109   "h8300h",                     /* arch_name  */
 110   "h8300h",                     /* printable name */
 111   1,
 112   false,                        /* the default machine */
 113   compatible,
 114   h8300_scan,
 115 /*    local_bfd_reloc_type_lookup, */
 116   &h8300_info_struct,
 117 };
 118
 119 const bfd_arch_info_type bfd_h8300_arch =
 120 {
 121   32,                           /* 32 bits in a word */
 122   32,                           /* 32 bits in an address */
 123   8,                            /* 8 bits in a byte */
 124   bfd_arch_h8300,
 125   bfd_mach_h8300s,
 126   "h8300s",                     /* arch_name  */
 127   "h8300s",                     /* printable name */
 128   1,
 129   false,                        /* the default machine */
 130   compatible,
 131   h8300_scan,
 132 /*    local_bfd_reloc_type_lookup, */
 133   &h8300h_info_struct,
 134 };