bfd/cpu-mips.c

   1 /* bfd back-end for mips support
   2    Copyright 1990, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001,
   3    2002, 2003, 2004, 2007 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 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 *mips_compatible
  28   (const bfd_arch_info_type *, const bfd_arch_info_type *);
  29
  30 /* The default routine tests bits_per_word, which is wrong on mips as
  31    mips word size doesn't correlate with reloc size.  */
  32
  33 static const bfd_arch_info_type *
  34 mips_compatible (const bfd_arch_info_type *a, const bfd_arch_info_type *b)
  35 {
  36   if (a->arch != b->arch)
  37     return NULL;
  38
  39   /* Machine compatibility is checked in
  40      _bfd_mips_elf_merge_private_bfd_data.  */
  41
  42   return a;
  43 }
  44
  45 #define N(BITS_WORD, BITS_ADDR, NUMBER, PRINT, DEFAULT, NEXT)           \
  46   {                                                     \
  47     BITS_WORD, /*  bits in a word */                    \
  48     BITS_ADDR, /* bits in an address */                 \
  49     8,  /* 8 bits in a byte */                          \
  50     bfd_arch_mips,                                      \
  51     NUMBER,                                             \
  52     "mips",                                             \
  53     PRINT,                                              \
  54     3,                                                  \
  55     DEFAULT,                                            \
  56     mips_compatible,                                    \
  57     bfd_default_scan,                                   \
  58     NEXT,                                               \
  59   }
  60
  61 enum
  62 {
  63   I_mips3000,
  64   I_mips3900,
  65   I_mips4000,
  66   I_mips4010,
  67   I_mips4100,
  68   I_mips4111,
  69   I_mips4120,
  70   I_mips4300,
  71   I_mips4400,
  72   I_mips4600,
  73   I_mips4650,
  74   I_mips5000,
  75   I_mips5400,
  76   I_mips5500,
  77   I_mips6000,
  78   I_mips7000,
  79   I_mips8000,
  80   I_mips9000,
  81   I_mips10000,
  82   I_mips12000,
  83   I_mips16,
  84   I_mips5,
  85   I_mipsisa32,
  86   I_mipsisa32r2,
  87   I_mipsisa64,
  88   I_mipsisa64r2,
  89   I_sb1,
  90   I_loongson_2e,
  91   I_loongson_2f
  92 };
  93
  94 #define NN(index) (&arch_info_struct[(index) + 1])
  95
  96 static const bfd_arch_info_type arch_info_struct[] =
  97 {
  98   N (32, 32, bfd_mach_mips3000, "mips:3000",      FALSE, NN(I_mips3000)),
  99   N (32, 32, bfd_mach_mips3900, "mips:3900",      FALSE, NN(I_mips3900)),
 100   N (64, 64, bfd_mach_mips4000, "mips:4000",      FALSE, NN(I_mips4000)),
 101   N (64, 64, bfd_mach_mips4010, "mips:4010",      FALSE, NN(I_mips4010)),
 102   N (64, 64, bfd_mach_mips4100, "mips:4100",      FALSE, NN(I_mips4100)),
 103   N (64, 64, bfd_mach_mips4111, "mips:4111",      FALSE, NN(I_mips4111)),
 104   N (64, 64, bfd_mach_mips4120, "mips:4120",      FALSE, NN(I_mips4120)),
 105   N (64, 64, bfd_mach_mips4300, "mips:4300",      FALSE, NN(I_mips4300)),
 106   N (64, 64, bfd_mach_mips4400, "mips:4400",      FALSE, NN(I_mips4400)),
 107   N (64, 64, bfd_mach_mips4600, "mips:4600",      FALSE, NN(I_mips4600)),
 108   N (64, 64, bfd_mach_mips4650, "mips:4650",      FALSE, NN(I_mips4650)),
 109   N (64, 64, bfd_mach_mips5000, "mips:5000",      FALSE, NN(I_mips5000)),
 110   N (64, 64, bfd_mach_mips5400, "mips:5400",      FALSE, NN(I_mips5400)),
 111   N (64, 64, bfd_mach_mips5500, "mips:5500",      FALSE, NN(I_mips5500)),
 112   N (32, 32, bfd_mach_mips6000, "mips:6000",      FALSE, NN(I_mips6000)),
 113   N (64, 64, bfd_mach_mips7000, "mips:7000",      FALSE, NN(I_mips7000)),
 114   N (64, 64, bfd_mach_mips8000, "mips:8000",      FALSE, NN(I_mips8000)),
 115   N (64, 64, bfd_mach_mips9000, "mips:9000",      FALSE, NN(I_mips9000)),
 116   N (64, 64, bfd_mach_mips10000,"mips:10000",     FALSE, NN(I_mips10000)),
 117   N (64, 64, bfd_mach_mips12000,"mips:12000",     FALSE, NN(I_mips12000)),
 118   N (64, 64, bfd_mach_mips16,   "mips:16",        FALSE, NN(I_mips16)),
 119   N (64, 64, bfd_mach_mips5,    "mips:mips5",     FALSE, NN(I_mips5)),
 120   N (32, 32, bfd_mach_mipsisa32,  "mips:isa32",   FALSE, NN(I_mipsisa32)),
 121   N (32, 32, bfd_mach_mipsisa32r2,"mips:isa32r2", FALSE, NN(I_mipsisa32r2)),
 122   N (64, 64, bfd_mach_mipsisa64,  "mips:isa64",   FALSE, NN(I_mipsisa64)),
 123   N (64, 64, bfd_mach_mipsisa64r2,"mips:isa64r2", FALSE, NN(I_mipsisa64r2)),
 124   N (64, 64, bfd_mach_mips_sb1, "mips:sb1",       FALSE, NN(I_sb1)),
 125   N (64, 64, bfd_mach_mips_loongson_2e, "mips:loongson_2e",       FALSE, NN(I_loongson_2e)),
 126   N (64, 64, bfd_mach_mips_loongson_2f, "mips:loongson_2f",       FALSE, 0)
 127 };
 128
 129 /* The default architecture is mips:3000, but with a machine number of
 130    zero.  This lets the linker distinguish between a default setting
 131    of mips, and an explicit setting of mips:3000.  */
 132
 133 const bfd_arch_info_type bfd_mips_arch =
 134 N (32, 32, 0, "mips", TRUE, &arch_info_struct[0]);