bfd/cpu-mips.c

   1 /* bfd back-end for mips support
   2    Copyright 1990, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2002
   3    Free Software Foundation, Inc.
   4    Written 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 const bfd_arch_info_type *mips_compatible
  27   PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
  28
  29 /* The default routine tests bits_per_word, which is wrong on mips as
  30    mips word size doesn't correlate with reloc size.  */
  31
  32 static const bfd_arch_info_type *
  33 mips_compatible (a, b)
  34      const bfd_arch_info_type *a;
  35      const bfd_arch_info_type *b;
  36 {
  37   if (a->arch != b->arch)
  38     return NULL;
  39
  40   /* Machine compatibility is checked in
  41      _bfd_mips_elf_merge_private_bfd_data.  */
  42
  43   return a;
  44 }
  45
  46 #define N(BITS_WORD, BITS_ADDR, NUMBER, PRINT, DEFAULT, NEXT)           \
  47   {                                                     \
  48     BITS_WORD, /*  bits in a word */                    \
  49     BITS_ADDR, /* bits in an address */                 \
  50     8,  /* 8 bits in a byte */                          \
  51     bfd_arch_mips,                                      \
  52     NUMBER,                                             \
  53     "mips",                                             \
  54     PRINT,                                              \
  55     3,                                                  \
  56     DEFAULT,                                            \
  57     mips_compatible,                                    \
  58     bfd_default_scan,                                   \
  59     NEXT,                                               \
  60   }
  61
  62 enum
  63 {
  64   I_mips3000,
  65   I_mips3900,
  66   I_mips4000,
  67   I_mips4010,
  68   I_mips4100,
  69   I_mips4111,
  70   I_mips4120,
  71   I_mips4300,
  72   I_mips4400,
  73   I_mips4600,
  74   I_mips4650,
  75   I_mips5000,
  76   I_mips5400,
  77   I_mips5500,
  78   I_mips6000,
  79   I_mips8000,
  80   I_mips10000,
  81   I_mips12000,
  82   I_mips16,
  83   I_mips5,
  84   I_mipsisa32,
  85   I_mipsisa64,
  86   I_sb1,
  87 };
  88
  89 #define NN(index) (&arch_info_struct[(index) + 1])
  90
  91 static const bfd_arch_info_type arch_info_struct[] =
  92 {
  93   N (32, 32, bfd_mach_mips3000, "mips:3000",      false, NN(I_mips3000)),
  94   N (32, 32, bfd_mach_mips3900, "mips:3900",      false, NN(I_mips3900)),
  95   N (64, 64, bfd_mach_mips4000, "mips:4000",      false, NN(I_mips4000)),
  96   N (64, 64, bfd_mach_mips4010, "mips:4010",      false, NN(I_mips4010)),
  97   N (64, 64, bfd_mach_mips4100, "mips:4100",      false, NN(I_mips4100)),
  98   N (64, 64, bfd_mach_mips4111, "mips:4111",      false, NN(I_mips4111)),
  99   N (64, 64, bfd_mach_mips4120, "mips:4120",      false, NN(I_mips4120)),
 100   N (64, 64, bfd_mach_mips4300, "mips:4300",      false, NN(I_mips4300)),
 101   N (64, 64, bfd_mach_mips4400, "mips:4400",      false, NN(I_mips4400)),
 102   N (64, 64, bfd_mach_mips4600, "mips:4600",      false, NN(I_mips4600)),
 103   N (64, 64, bfd_mach_mips4650, "mips:4650",      false, NN(I_mips4650)),
 104   N (64, 64, bfd_mach_mips5000, "mips:5000",      false, NN(I_mips5000)),
 105   N (64, 64, bfd_mach_mips5400, "mips:5400",      false, NN(I_mips5400)),
 106   N (64, 64, bfd_mach_mips5500, "mips:5500",      false, NN(I_mips5500)),
 107   N (32, 32, bfd_mach_mips6000, "mips:6000",      false, NN(I_mips6000)),
 108   N (64, 64, bfd_mach_mips8000, "mips:8000",      false, NN(I_mips8000)),
 109   N (64, 64, bfd_mach_mips10000,"mips:10000",     false, NN(I_mips10000)),
 110   N (64, 64, bfd_mach_mips12000,"mips:12000",     false, NN(I_mips12000)),
 111   N (64, 64, bfd_mach_mips16,   "mips:16",        false, NN(I_mips16)),
 112   N (64, 64, bfd_mach_mips5,    "mips:mips5",     false, NN(I_mips5)),
 113   N (32, 32, bfd_mach_mipsisa32,  "mips:isa32",   false, NN(I_mipsisa32)),
 114   N (64, 64, bfd_mach_mipsisa64,  "mips:isa64",   false, NN(I_mipsisa64)),
 115   N (64, 64, bfd_mach_mips_sb1, "mips:sb1",       false, 0),
 116 };
 117
 118 /* The default architecture is mips:3000, but with a machine number of
 119    zero.  This lets the linker distinguish between a default setting
 120    of mips, and an explicit setting of mips:3000.  */
 121
 122 const bfd_arch_info_type bfd_mips_arch =
 123 N (32, 32, 0, "mips", true, &arch_info_struct[0]);