| 1 | /* BFD library support routines for the Hitachi H8/300 architecture. |
| 2 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 2000, 2001 |
| 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 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 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 | return (info->mach == bfd_mach_h8300h); |
| 73 | } |
| 74 | else if (*string == 's' || *string == 'S') |
| 75 | { |
| 76 | return (info->mach == bfd_mach_h8300s); |
| 77 | } |
| 78 | else |
| 79 | { |
| 80 | return info->mach == bfd_mach_h8300; |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | /* This routine is provided two arch_infos and works out the machine |
| 85 | which would be compatible with both and returns a pointer to its |
| 86 | info structure. */ |
| 87 | |
| 88 | static const bfd_arch_info_type * |
| 89 | compatible (in, out) |
| 90 | const bfd_arch_info_type *in; |
| 91 | const bfd_arch_info_type *out; |
| 92 | { |
| 93 | /* It's really not a good idea to mix and match modes. */ |
| 94 | if (in->mach != out->mach) |
| 95 | return 0; |
| 96 | else |
| 97 | return in; |
| 98 | } |
| 99 | |
| 100 | static const bfd_arch_info_type h8300_info_struct = |
| 101 | { |
| 102 | 16, /* 16 bits in a word */ |
| 103 | 16, /* 16 bits in an address */ |
| 104 | 8, /* 8 bits in a byte */ |
| 105 | bfd_arch_h8300, |
| 106 | bfd_mach_h8300, |
| 107 | "h8300", /* arch_name */ |
| 108 | "h8300", /* printable name */ |
| 109 | 1, |
| 110 | true, /* the default machine */ |
| 111 | compatible, |
| 112 | h8300_scan, |
| 113 | #if 0 |
| 114 | local_bfd_reloc_type_lookup, |
| 115 | #endif |
| 116 | 0, |
| 117 | }; |
| 118 | |
| 119 | static const bfd_arch_info_type h8300h_info_struct = |
| 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_h8300h, |
| 126 | "h8300h", /* arch_name */ |
| 127 | "h8300h", /* printable name */ |
| 128 | 1, |
| 129 | false, /* the default machine */ |
| 130 | compatible, |
| 131 | h8300_scan, |
| 132 | #if 0 |
| 133 | local_bfd_reloc_type_lookup, |
| 134 | #endif |
| 135 | &h8300_info_struct, |
| 136 | }; |
| 137 | |
| 138 | const bfd_arch_info_type bfd_h8300_arch = |
| 139 | { |
| 140 | 32, /* 32 bits in a word */ |
| 141 | 32, /* 32 bits in an address */ |
| 142 | 8, /* 8 bits in a byte */ |
| 143 | bfd_arch_h8300, |
| 144 | bfd_mach_h8300s, |
| 145 | "h8300s", /* arch_name */ |
| 146 | "h8300s", /* printable name */ |
| 147 | 1, |
| 148 | false, /* the default machine */ |
| 149 | compatible, |
| 150 | h8300_scan, |
| 151 | #if 0 |
| 152 | local_bfd_reloc_type_lookup, |
| 153 | #endif |
| 154 | &h8300h_info_struct, |
| 155 | }; |