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