bfd/cpu-h8300.c

   1 /* BFD library support routines for the Renesas H8/300 architecture.
   2    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 2000, 2001, 2002, 2003
   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 static bfd_boolean h8300_scan
  27   PARAMS ((const struct bfd_arch_info *, const char *));
  28 static const bfd_arch_info_type * compatible
  29   PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
  30
  31 static bfd_boolean
  32 h8300_scan (info, string)
  33      const struct bfd_arch_info *info;
  34      const char *string;
  35 {
  36   if (*string != 'h' && *string != 'H')
  37     return FALSE;
  38
  39   string++;
  40   if (*string != '8')
  41     return FALSE;
  42
  43   string++;
  44   if (*string == '/')
  45     string++;
  46
  47   if (*string != '3')
  48     return FALSE;
  49   string++;
  50   if (*string != '0')
  51     return FALSE;
  52   string++;
  53   if (*string != '0')
  54     return FALSE;
  55   string++;
  56   if (*string == '-')
  57     string++;
  58
  59   /* In ELF linker scripts, we typically express the architecture/machine
  60      as architecture:machine.
  61
  62      So if we've matched so far and encounter a colon, try to match the
  63      string following the colon.  */
  64   if (*string == ':')
  65     {
  66       string++;
  67       return h8300_scan (info, string);
  68     }
  69
  70   if (*string == 'h' || *string == 'H')
  71     {
  72       string++;
  73       if (*string == 'n' || *string == 'N')
  74         return (info->mach == bfd_mach_h8300hn);
  75
  76       return (info->mach == bfd_mach_h8300h);
  77     }
  78   else if (*string == 's' || *string == 'S')
  79     {
  80       string++;
  81       if (*string == 'n' || *string == 'N')
  82         return (info->mach == bfd_mach_h8300sn);
  83
  84       return (info->mach == bfd_mach_h8300s);
  85     }
  86   else
  87     return info->mach == bfd_mach_h8300;
  88 }
  89
  90 /* This routine is provided two arch_infos and works out the machine
  91    which would be compatible with both and returns a pointer to its
  92    info structure.  */
  93
  94 static const bfd_arch_info_type *
  95 compatible (in, out)
  96      const bfd_arch_info_type *in;
  97      const bfd_arch_info_type *out;
  98 {
  99   /* It's really not a good idea to mix and match modes.  */
 100   if (in->arch != out->arch || in->mach != out->mach)
 101     return 0;
 102   else
 103     return in;
 104 }
 105
 106 static const bfd_arch_info_type h8300sn_info_struct =
 107 {
 108   32,                           /* 32 bits in a word.  */
 109   32,                           /* 32 bits in an address.  */
 110   8,                            /* 8 bits in a byte.  */
 111   bfd_arch_h8300,
 112   bfd_mach_h8300sn,
 113   "h8300sn",                    /* Architecture name.  */
 114   "h8300sn",                    /* Printable name.  */
 115   1,
 116   FALSE,                        /* The default machine.  */
 117   compatible,
 118   h8300_scan,
 119   0
 120 };
 121
 122
 123 static const bfd_arch_info_type h8300hn_info_struct =
 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_h8300hn,
 130   "h8300hn",                    /* Architecture name.  */
 131   "h8300hn",                    /* Printable name.  */
 132   1,
 133   FALSE,                        /* The default machine.  */
 134   compatible,
 135   h8300_scan,
 136   &h8300sn_info_struct
 137 };
 138
 139 static const bfd_arch_info_type h8300s_info_struct =
 140 {
 141   32,                           /* 32 bits in a word.  */
 142   32,                           /* 32 bits in an address.  */
 143   8,                            /* 8 bits in a byte.  */
 144   bfd_arch_h8300,
 145   bfd_mach_h8300s,
 146   "h8300s",                     /* Architecture name.  */
 147   "h8300s",                     /* Printable name.  */
 148   1,
 149   FALSE,                        /* The default machine.  */
 150   compatible,
 151   h8300_scan,
 152   & h8300hn_info_struct
 153 };
 154
 155 static const bfd_arch_info_type h8300h_info_struct =
 156 {
 157   32,                           /* 32 bits in a word.  */
 158   32,                           /* 32 bits in an address.  */
 159   8,                            /* 8 bits in a byte.  */
 160   bfd_arch_h8300,
 161   bfd_mach_h8300h,
 162   "h8300h",                     /* Architecture name.  */
 163   "h8300h",                     /* Printable name.  */
 164   1,
 165   FALSE,                        /* The default machine.  */
 166   compatible,
 167   h8300_scan,
 168   &h8300s_info_struct
 169 };
 170
 171 const bfd_arch_info_type bfd_h8300_arch =
 172 {
 173   16,                           /* 16 bits in a word.  */
 174   16,                           /* 16 bits in an address.  */
 175   8,                            /* 8 bits in a byte.  */
 176   bfd_arch_h8300,
 177   bfd_mach_h8300,
 178   "h8300",                      /* Architecture name.  */
 179   "h8300",                      /* Printable name.  */
 180   1,
 181   TRUE,                         /* The default machine.  */
 182   compatible,
 183   h8300_scan,
 184   &h8300h_info_struct
 185 };