bfd/cpu-i386.c

   1 /* BFD support for the Intel 386 architecture.
   2    Copyright 1992, 1994, 1995, 1996, 1998, 2000, 2001, 2002
   3    Free Software Foundation, Inc.
   4
   5 This file is part of BFD, the Binary File Descriptor library.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program; if not, write to the Free Software
  19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 #include "bfd.h"
  22 #include "sysdep.h"
  23 #include "libbfd.h"
  24
  25 /* Don't mix 32 bit and 64 bit files.  */
  26
  27 static const bfd_arch_info_type *i386_compatible
  28   PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
  29
  30 static const bfd_arch_info_type *
  31 i386_compatible (a, b)
  32      const bfd_arch_info_type *a;
  33      const bfd_arch_info_type *b;
  34 {
  35   if (a->bits_per_word != b->bits_per_word)
  36     return NULL;
  37
  38   return bfd_default_compatible (a, b);
  39 }
  40
  41 const bfd_arch_info_type bfd_i386_arch_intel_syntax =
  42 {
  43   32,   /* 32 bits in a word */
  44   32,   /* 32 bits in an address */
  45   8,    /* 8 bits in a byte */
  46   bfd_arch_i386,
  47   bfd_mach_i386_i386_intel_syntax,
  48   "i386:intel",
  49   "i386:intel",
  50   3,
  51   true,
  52   i386_compatible,
  53   bfd_default_scan ,
  54   0,
  55 };
  56 const bfd_arch_info_type bfd_x86_64_arch_intel_syntax =
  57 {
  58   64, /* 64 bits in a word */
  59   64, /* 64 bits in an address */
  60   8,  /* 8 bits in a byte */
  61   bfd_arch_i386,
  62   bfd_mach_x86_64_intel_syntax,
  63   "x86-64:intel",
  64   "x86-64:intel",
  65   3,
  66   true,
  67   i386_compatible,
  68   bfd_default_scan ,
  69   &bfd_i386_arch_intel_syntax,
  70 };
  71 static const bfd_arch_info_type i8086_arch =
  72 {
  73   32,   /* 32 bits in a word */
  74   32,   /* 32 bits in an address (well, not really) */
  75   8,    /* 8 bits in a byte */
  76   bfd_arch_i386,
  77   bfd_mach_i386_i8086,
  78   "i8086",
  79   "i8086",
  80   3,
  81   false,
  82   i386_compatible,
  83   bfd_default_scan ,
  84   &bfd_x86_64_arch_intel_syntax,
  85 };
  86
  87 const bfd_arch_info_type bfd_x86_64_arch =
  88 {
  89   64, /* 32 bits in a word */
  90   64, /* 32 bits in an address */
  91   8,  /* 8 bits in a byte */
  92   bfd_arch_i386,
  93   bfd_mach_x86_64,
  94   "x86-64",
  95   "x86-64",
  96   3,
  97   true,
  98   i386_compatible,
  99   bfd_default_scan ,
 100   &i8086_arch,
 101 };
 102
 103 const bfd_arch_info_type bfd_i386_arch =
 104 {
 105   32,   /* 32 bits in a word */
 106   32,   /* 32 bits in an address */
 107   8,    /* 8 bits in a byte */
 108   bfd_arch_i386,
 109   bfd_mach_i386_i386,
 110   "i386",
 111   "i386",
 112   3,
 113   true,
 114   i386_compatible,
 115   bfd_default_scan ,
 116   &bfd_x86_64_arch
 117 };