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   (const struct bfd_arch_info *, const char *);
  28 static const bfd_arch_info_type * compatible
  29   (const bfd_arch_info_type *, const bfd_arch_info_type *);
  30
  31 static bfd_boolean
  32 h8300_scan (const struct bfd_arch_info *info, const char *string)
  33 {
  34   if (*string != 'h' && *string != 'H')
  35     return FALSE;
  36
  37   string++;
  38   if (*string != '8')
  39     return FALSE;
  40
  41   string++;
  42   if (*string == '/')
  43     string++;
  44
  45   if (*string != '3')
  46     return FALSE;
  47   string++;
  48   if (*string != '0')
  49     return FALSE;
  50   string++;
  51   if (*string != '0')
  52     return FALSE;
  53   string++;
  54   if (*string == '-')
  55     string++;
  56
  57   /* In ELF linker scripts, we typically express the architecture/machine
  58      as architecture:machine.
  59
  60      So if we've matched so far and encounter a colon, try to match the
  61      string following the colon.  */
  62   if (*string == ':')
  63     {
  64       string++;
  65       return h8300_scan (info, string);
  66     }
  67
  68   if (*string == 'h' || *string == 'H')
  69     {
  70       string++;
  71       if (*string == 'n' || *string == 'N')
  72         return (info->mach == bfd_mach_h8300hn);
  73
  74       return (info->mach == bfd_mach_h8300h);
  75     }
  76   else if (*string == 's' || *string == 'S')
  77     {
  78       string++;
  79       if (*string == 'n' || *string == 'N')
  80         return (info->mach == bfd_mach_h8300sn);
  81
  82       if (*string == 'x' || *string == 'X')
  83         {
  84           string++;
  85           if (*string == 'n' || *string == 'N')
  86             return (info->mach == bfd_mach_h8300sxn);
  87
  88           return (info->mach == bfd_mach_h8300sx);
  89         }
  90
  91       return (info->mach == bfd_mach_h8300s);
  92     }
  93   else
  94     return info->mach == bfd_mach_h8300;
  95 }
  96
  97 /* This routine is provided two arch_infos and works out the machine
  98    which would be compatible with both and returns a pointer to its
  99    info structure.  */
 100
 101 static const bfd_arch_info_type *
 102 compatible (const bfd_arch_info_type *in, const bfd_arch_info_type *out)
 103 {
 104   /* It's really not a good idea to mix and match modes.  */
 105   if (in->arch != out->arch || in->mach != out->mach)
 106     return 0;
 107   else
 108     return in;
 109 }
 110
 111 static const bfd_arch_info_type h8300sxn_info_struct =
 112 {
 113   32,                           /* 32 bits in a word */
 114   32,                           /* 32 bits in an address */
 115   8,                            /* 8 bits in a byte */
 116   bfd_arch_h8300,
 117   bfd_mach_h8300sxn,
 118   "h8300sxn",                   /* arch_name  */
 119   "h8300sxn",                   /* printable name */
 120   1,
 121   FALSE,                        /* the default machine */
 122   compatible,
 123   h8300_scan,
 124   0
 125 };
 126
 127 static const bfd_arch_info_type h8300sx_info_struct =
 128 {
 129   32,                           /* 32 bits in a word */
 130   32,                           /* 32 bits in an address */
 131   8,                            /* 8 bits in a byte */
 132   bfd_arch_h8300,
 133   bfd_mach_h8300sx,
 134   "h8300sx",                    /* arch_name  */
 135   "h8300sx",                    /* printable name */
 136   1,
 137   FALSE,                        /* the default machine */
 138   compatible,
 139   h8300_scan,
 140   &h8300sxn_info_struct
 141 };
 142
 143 static const bfd_arch_info_type h8300sn_info_struct =
 144 {
 145   32,                           /* 32 bits in a word.  */
 146   32,                           /* 32 bits in an address.  */
 147   8,                            /* 8 bits in a byte.  */
 148   bfd_arch_h8300,
 149   bfd_mach_h8300sn,
 150   "h8300sn",                    /* Architecture name.  */
 151   "h8300sn",                    /* Printable name.  */
 152   1,
 153   FALSE,                        /* The default machine.  */
 154   compatible,
 155   h8300_scan,
 156   &h8300sx_info_struct
 157 };
 158
 159
 160 static const bfd_arch_info_type h8300hn_info_struct =
 161 {
 162   32,                           /* 32 bits in a word.  */
 163   32,                           /* 32 bits in an address.  */
 164   8,                            /* 8 bits in a byte.  */
 165   bfd_arch_h8300,
 166   bfd_mach_h8300hn,
 167   "h8300hn",                    /* Architecture name.  */
 168   "h8300hn",                    /* Printable name.  */
 169   1,
 170   FALSE,                        /* The default machine.  */
 171   compatible,
 172   h8300_scan,
 173   &h8300sn_info_struct
 174 };
 175
 176 static const bfd_arch_info_type h8300s_info_struct =
 177 {
 178   32,                           /* 32 bits in a word.  */
 179   32,                           /* 32 bits in an address.  */
 180   8,                            /* 8 bits in a byte.  */
 181   bfd_arch_h8300,
 182   bfd_mach_h8300s,
 183   "h8300s",                     /* Architecture name.  */
 184   "h8300s",                     /* Printable name.  */
 185   1,
 186   FALSE,                        /* The default machine.  */
 187   compatible,
 188   h8300_scan,
 189   & h8300hn_info_struct
 190 };
 191
 192 static const bfd_arch_info_type h8300h_info_struct =
 193 {
 194   32,                           /* 32 bits in a word.  */
 195   32,                           /* 32 bits in an address.  */
 196   8,                            /* 8 bits in a byte.  */
 197   bfd_arch_h8300,
 198   bfd_mach_h8300h,
 199   "h8300h",                     /* Architecture name.  */
 200   "h8300h",                     /* Printable name.  */
 201   1,
 202   FALSE,                        /* The default machine.  */
 203   compatible,
 204   h8300_scan,
 205   &h8300s_info_struct
 206 };
 207
 208 const bfd_arch_info_type bfd_h8300_arch =
 209 {
 210   16,                           /* 16 bits in a word.  */
 211   16,                           /* 16 bits in an address.  */
 212   8,                            /* 8 bits in a byte.  */
 213   bfd_arch_h8300,
 214   bfd_mach_h8300,
 215   "h8300",                      /* Architecture name.  */
 216   "h8300",                      /* Printable name.  */
 217   1,
 218   TRUE,                         /* The default machine.  */
 219   compatible,
 220   h8300_scan,
 221   &h8300h_info_struct
 222 };