| 1 | /* BFD support for the Intel 386 architecture. |
| 2 | Copyright 1992, 1994, 1995, 1996, 1998, 2000, 2001, 2002, 2004, 2005, |
| 3 | 2007, 2009, 2010, 2011 |
| 4 | Free Software Foundation, Inc. |
| 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 3 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., 51 Franklin Street - Fifth Floor, Boston, |
| 21 | MA 02110-1301, USA. */ |
| 22 | |
| 23 | #include "sysdep.h" |
| 24 | #include "bfd.h" |
| 25 | #include "libbfd.h" |
| 26 | |
| 27 | static const bfd_arch_info_type * |
| 28 | bfd_i386_compatible (const bfd_arch_info_type *a, |
| 29 | const bfd_arch_info_type *b) |
| 30 | { |
| 31 | const bfd_arch_info_type *compat = bfd_default_compatible (a, b); |
| 32 | |
| 33 | /* Don't allow mixing x64_32 with x86_64. */ |
| 34 | if (compat |
| 35 | && (a->mach & bfd_mach_x64_32) != (b->mach & bfd_mach_x64_32)) |
| 36 | compat = NULL; |
| 37 | |
| 38 | return compat; |
| 39 | } |
| 40 | |
| 41 | static const bfd_arch_info_type bfd_x64_32_arch_intel_syntax = |
| 42 | { |
| 43 | 64, /* 64 bits in a word */ |
| 44 | 64, /* 64 bits in an address */ |
| 45 | 8, /* 8 bits in a byte */ |
| 46 | bfd_arch_i386, |
| 47 | bfd_mach_x64_32_intel_syntax, |
| 48 | "i386:intel", |
| 49 | "i386:x64-32:intel", |
| 50 | 3, |
| 51 | FALSE, |
| 52 | bfd_i386_compatible, |
| 53 | bfd_default_scan, |
| 54 | 0 |
| 55 | }; |
| 56 | |
| 57 | static const bfd_arch_info_type bfd_x86_64_arch_intel_syntax = |
| 58 | { |
| 59 | 64, /* 64 bits in a word */ |
| 60 | 64, /* 64 bits in an address */ |
| 61 | 8, /* 8 bits in a byte */ |
| 62 | bfd_arch_i386, |
| 63 | bfd_mach_x86_64_intel_syntax, |
| 64 | "i386:intel", |
| 65 | "i386:x86-64:intel", |
| 66 | 3, |
| 67 | FALSE, |
| 68 | bfd_i386_compatible, |
| 69 | bfd_default_scan, |
| 70 | &bfd_x64_32_arch_intel_syntax, |
| 71 | }; |
| 72 | |
| 73 | static const bfd_arch_info_type bfd_i386_arch_intel_syntax = |
| 74 | { |
| 75 | 32, /* 32 bits in a word */ |
| 76 | 32, /* 32 bits in an address */ |
| 77 | 8, /* 8 bits in a byte */ |
| 78 | bfd_arch_i386, |
| 79 | bfd_mach_i386_i386_intel_syntax, |
| 80 | "i386:intel", |
| 81 | "i386:intel", |
| 82 | 3, |
| 83 | TRUE, |
| 84 | bfd_i386_compatible, |
| 85 | bfd_default_scan, |
| 86 | &bfd_x86_64_arch_intel_syntax |
| 87 | }; |
| 88 | |
| 89 | static const bfd_arch_info_type i8086_arch = |
| 90 | { |
| 91 | 32, /* 32 bits in a word */ |
| 92 | 32, /* 32 bits in an address (well, not really) */ |
| 93 | 8, /* 8 bits in a byte */ |
| 94 | bfd_arch_i386, |
| 95 | bfd_mach_i386_i8086, |
| 96 | "i8086", |
| 97 | "i8086", |
| 98 | 3, |
| 99 | FALSE, |
| 100 | bfd_i386_compatible, |
| 101 | bfd_default_scan, |
| 102 | &bfd_i386_arch_intel_syntax |
| 103 | }; |
| 104 | |
| 105 | static const bfd_arch_info_type bfd_x64_32_arch = |
| 106 | { |
| 107 | 64, /* 64 bits in a word */ |
| 108 | 64, /* 64 bits in an address */ |
| 109 | 8, /* 8 bits in a byte */ |
| 110 | bfd_arch_i386, |
| 111 | bfd_mach_x64_32, |
| 112 | "i386", |
| 113 | "i386:x64-32", |
| 114 | 3, |
| 115 | FALSE, |
| 116 | bfd_i386_compatible, |
| 117 | bfd_default_scan, |
| 118 | &i8086_arch |
| 119 | }; |
| 120 | |
| 121 | static const bfd_arch_info_type bfd_x86_64_arch = |
| 122 | { |
| 123 | 64, /* 64 bits in a word */ |
| 124 | 64, /* 64 bits in an address */ |
| 125 | 8, /* 8 bits in a byte */ |
| 126 | bfd_arch_i386, |
| 127 | bfd_mach_x86_64, |
| 128 | "i386", |
| 129 | "i386:x86-64", |
| 130 | 3, |
| 131 | FALSE, |
| 132 | bfd_i386_compatible, |
| 133 | bfd_default_scan, |
| 134 | &bfd_x64_32_arch |
| 135 | }; |
| 136 | |
| 137 | const bfd_arch_info_type bfd_i386_arch = |
| 138 | { |
| 139 | 32, /* 32 bits in a word */ |
| 140 | 32, /* 32 bits in an address */ |
| 141 | 8, /* 8 bits in a byte */ |
| 142 | bfd_arch_i386, |
| 143 | bfd_mach_i386_i386, |
| 144 | "i386", |
| 145 | "i386", |
| 146 | 3, |
| 147 | TRUE, |
| 148 | bfd_i386_compatible, |
| 149 | bfd_default_scan, |
| 150 | &bfd_x86_64_arch |
| 151 | }; |