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       if (*string == 'x' || *string == 'X')
  85         {
  86           string++;
  87           if (*string == 'n' || *string == 'N')
  88             return (info->mach == bfd_mach_h8300sxn);
  89
  90           return (info->mach == bfd_mach_h8300sx);
  91         }
  92
  93       return (info->mach == bfd_mach_h8300s);
  94     }
  95   else
  96     return info->mach == bfd_mach_h8300;
  97 }
  98
  99 /* This routine is provided two arch_infos and works out the machine
 100    which would be compatible with both and returns a pointer to its
 101    info structure.  */
 102
 103 static const bfd_arch_info_type *
 104 compatible (in, out)
 105      const bfd_arch_info_type *in;
 106      const bfd_arch_info_type *out;
 107 {
 108   /* It's really not a good idea to mix and match modes.  */
 109   if (in->arch != out->arch || in->mach != out->mach)
 110     return 0;
 111   else
 112     return in;
 113 }
 114
 115 static const bfd_arch_info_type h8300sxn_info_struct =
 116 {
 117   32,                           /* 32 bits in a word */
 118   32,                           /* 32 bits in an address */
 119   8,                            /* 8 bits in a byte */
 120   bfd_arch_h8300,
 121   bfd_mach_h8300sxn,
 122   "h8300sxn",                   /* arch_name  */
 123   "h8300sxn",                   /* printable name */
 124   1,
 125   FALSE,                        /* the default machine */
 126   compatible,
 127   h8300_scan,
 128   0
 129 };
 130
 131 static const bfd_arch_info_type h8300sx_info_struct =
 132 {
 133   32,                           /* 32 bits in a word */
 134   32,                           /* 32 bits in an address */
 135   8,                            /* 8 bits in a byte */
 136   bfd_arch_h8300,
 137   bfd_mach_h8300sx,
 138   "h8300sx",                    /* arch_name  */
 139   "h8300sx",                    /* printable name */
 140   1,
 141   FALSE,                        /* the default machine */
 142   compatible,
 143   h8300_scan,
 144   &h8300sxn_info_struct
 145 };
 146
 147 static const bfd_arch_info_type h8300sn_info_struct =
 148 {
 149   32,                           /* 32 bits in a word.  */
 150   32,                           /* 32 bits in an address.  */
 151   8,                            /* 8 bits in a byte.  */
 152   bfd_arch_h8300,
 153   bfd_mach_h8300sn,
 154   "h8300sn",                    /* Architecture name.  */
 155   "h8300sn",                    /* Printable name.  */
 156   1,
 157   FALSE,                        /* The default machine.  */
 158   compatible,
 159   h8300_scan,
 160   &h8300sx_info_struct
 161 };
 162
 163
 164 static const bfd_arch_info_type h8300hn_info_struct =
 165 {
 166   32,                           /* 32 bits in a word.  */
 167   32,                           /* 32 bits in an address.  */
 168   8,                            /* 8 bits in a byte.  */
 169   bfd_arch_h8300,
 170   bfd_mach_h8300hn,
 171   "h8300hn",                    /* Architecture name.  */
 172   "h8300hn",                    /* Printable name.  */
 173   1,
 174   FALSE,                        /* The default machine.  */
 175   compatible,
 176   h8300_scan,
 177   &h8300sn_info_struct
 178 };
 179
 180 static const bfd_arch_info_type h8300s_info_struct =
 181 {
 182   32,                           /* 32 bits in a word.  */
 183   32,                           /* 32 bits in an address.  */
 184   8,                            /* 8 bits in a byte.  */
 185   bfd_arch_h8300,
 186   bfd_mach_h8300s,
 187   "h8300s",                     /* Architecture name.  */
 188   "h8300s",                     /* Printable name.  */
 189   1,
 190   FALSE,                        /* The default machine.  */
 191   compatible,
 192   h8300_scan,
 193   & h8300hn_info_struct
 194 };
 195
 196 static const bfd_arch_info_type h8300h_info_struct =
 197 {
 198   32,                           /* 32 bits in a word.  */
 199   32,                           /* 32 bits in an address.  */
 200   8,                            /* 8 bits in a byte.  */
 201   bfd_arch_h8300,
 202   bfd_mach_h8300h,
 203   "h8300h",                     /* Architecture name.  */
 204   "h8300h",                     /* Printable name.  */
 205   1,
 206   FALSE,                        /* The default machine.  */
 207   compatible,
 208   h8300_scan,
 209   &h8300s_info_struct
 210 };
 211
 212 const bfd_arch_info_type bfd_h8300_arch =
 213 {
 214   16,                           /* 16 bits in a word.  */
 215   16,                           /* 16 bits in an address.  */
 216   8,                            /* 8 bits in a byte.  */
 217   bfd_arch_h8300,
 218   bfd_mach_h8300,
 219   "h8300",                      /* Architecture name.  */
 220   "h8300",                      /* Printable name.  */
 221   1,
 222   TRUE,                         /* The default machine.  */
 223   compatible,
 224   h8300_scan,
 225   &h8300h_info_struct
 226 };