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, 2005, 2007, 2008, 2009, 2013
   4    Free Software Foundation, Inc.
   5    Written by Steve Chamberlain of Cygnus Support.
   6
   7    This file is part of BFD, the Binary File Descriptor library.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  22    MA 02110-1301, USA.  */
  23
  24 #include "sysdep.h"
  25 #include "bfd.h"
  26 #include "libbfd.h"
  27
  28 static const bfd_arch_info_type *mips_compatible
  29   (const bfd_arch_info_type *, const bfd_arch_info_type *);
  30
  31 /* The default routine tests bits_per_word, which is wrong on mips as
  32    mips word size doesn't correlate with reloc size.  */
  33
  34 static const bfd_arch_info_type *
  35 mips_compatible (const bfd_arch_info_type *a, 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     bfd_arch_default_fill,                              \
  60     NEXT,                                               \
  61   }
  62
  63 enum
  64 {
  65   I_mips3000,
  66   I_mips3900,
  67   I_mips4000,
  68   I_mips4010,
  69   I_mips4100,
  70   I_mips4111,
  71   I_mips4120,
  72   I_mips4300,
  73   I_mips4400,
  74   I_mips4600,
  75   I_mips4650,
  76   I_mips5000,
  77   I_mips5400,
  78   I_mips5500,
  79   I_mips5900,
  80   I_mips6000,
  81   I_mips7000,
  82   I_mips8000,
  83   I_mips9000,
  84   I_mips10000,
  85   I_mips12000,
  86   I_mips14000,
  87   I_mips16000,
  88   I_mips16,
  89   I_mips5,
  90   I_mipsisa32,
  91   I_mipsisa32r2,
  92   I_mipsisa64,
  93   I_mipsisa64r2,
  94   I_sb1,
  95   I_loongson_2e,
  96   I_loongson_2f,
  97   I_loongson_3a,
  98   I_mipsocteon,
  99   I_mipsocteonp,
 100   I_mipsocteon2,
 101   I_xlr,
 102   I_micromips
 103 };
 104
 105 #define NN(index) (&arch_info_struct[(index) + 1])
 106
 107 static const bfd_arch_info_type arch_info_struct[] =
 108 {
 109   N (32, 32, bfd_mach_mips3000, "mips:3000",      FALSE, NN(I_mips3000)),
 110   N (32, 32, bfd_mach_mips3900, "mips:3900",      FALSE, NN(I_mips3900)),
 111   N (64, 64, bfd_mach_mips4000, "mips:4000",      FALSE, NN(I_mips4000)),
 112   N (64, 64, bfd_mach_mips4010, "mips:4010",      FALSE, NN(I_mips4010)),
 113   N (64, 64, bfd_mach_mips4100, "mips:4100",      FALSE, NN(I_mips4100)),
 114   N (64, 64, bfd_mach_mips4111, "mips:4111",      FALSE, NN(I_mips4111)),
 115   N (64, 64, bfd_mach_mips4120, "mips:4120",      FALSE, NN(I_mips4120)),
 116   N (64, 64, bfd_mach_mips4300, "mips:4300",      FALSE, NN(I_mips4300)),
 117   N (64, 64, bfd_mach_mips4400, "mips:4400",      FALSE, NN(I_mips4400)),
 118   N (64, 64, bfd_mach_mips4600, "mips:4600",      FALSE, NN(I_mips4600)),
 119   N (64, 64, bfd_mach_mips4650, "mips:4650",      FALSE, NN(I_mips4650)),
 120   N (64, 64, bfd_mach_mips5000, "mips:5000",      FALSE, NN(I_mips5000)),
 121   N (64, 64, bfd_mach_mips5400, "mips:5400",      FALSE, NN(I_mips5400)),
 122   N (64, 64, bfd_mach_mips5500, "mips:5500",      FALSE, NN(I_mips5500)),
 123   N (64, 32, bfd_mach_mips5900, "mips:5900",      FALSE, NN(I_mips5900)),
 124   N (32, 32, bfd_mach_mips6000, "mips:6000",      FALSE, NN(I_mips6000)),
 125   N (64, 64, bfd_mach_mips7000, "mips:7000",      FALSE, NN(I_mips7000)),
 126   N (64, 64, bfd_mach_mips8000, "mips:8000",      FALSE, NN(I_mips8000)),
 127   N (64, 64, bfd_mach_mips9000, "mips:9000",      FALSE, NN(I_mips9000)),
 128   N (64, 64, bfd_mach_mips10000,"mips:10000",     FALSE, NN(I_mips10000)),
 129   N (64, 64, bfd_mach_mips12000,"mips:12000",     FALSE, NN(I_mips12000)),
 130   N (64, 64, bfd_mach_mips14000,"mips:14000",     FALSE, NN(I_mips14000)),
 131   N (64, 64, bfd_mach_mips16000,"mips:16000",     FALSE, NN(I_mips16000)),
 132   N (64, 64, bfd_mach_mips16,   "mips:16",        FALSE, NN(I_mips16)),
 133   N (64, 64, bfd_mach_mips5,    "mips:mips5",     FALSE, NN(I_mips5)),
 134   N (32, 32, bfd_mach_mipsisa32,  "mips:isa32",   FALSE, NN(I_mipsisa32)),
 135   N (32, 32, bfd_mach_mipsisa32r2,"mips:isa32r2", FALSE, NN(I_mipsisa32r2)),
 136   N (64, 64, bfd_mach_mipsisa64,  "mips:isa64",   FALSE, NN(I_mipsisa64)),
 137   N (64, 64, bfd_mach_mipsisa64r2,"mips:isa64r2", FALSE, NN(I_mipsisa64r2)),
 138   N (64, 64, bfd_mach_mips_sb1, "mips:sb1",       FALSE, NN(I_sb1)),
 139   N (64, 64, bfd_mach_mips_loongson_2e, "mips:loongson_2e",       FALSE, NN(I_loongson_2e)),
 140   N (64, 64, bfd_mach_mips_loongson_2f, "mips:loongson_2f",       FALSE, NN(I_loongson_2f)),
 141   N (64, 64, bfd_mach_mips_loongson_3a, "mips:loongson_3a",       FALSE, NN(I_loongson_3a)),
 142   N (64, 64, bfd_mach_mips_octeon,"mips:octeon",  FALSE, NN(I_mipsocteon)),
 143   N (64, 64, bfd_mach_mips_octeonp,"mips:octeon+",  FALSE, NN(I_mipsocteonp)),
 144   N (64, 64, bfd_mach_mips_octeon2,"mips:octeon2",  FALSE, NN(I_mipsocteon2)),
 145   N (64, 64, bfd_mach_mips_xlr, "mips:xlr",       FALSE, NN(I_xlr)),
 146   N (64, 64, bfd_mach_mips_micromips,"mips:micromips",FALSE,0)
 147 };
 148
 149 /* The default architecture is mips:3000, but with a machine number of
 150    zero.  This lets the linker distinguish between a default setting
 151    of mips, and an explicit setting of mips:3000.  */
 152
 153 const bfd_arch_info_type bfd_mips_arch =
 154 N (32, 32, 0, "mips", TRUE, &arch_info_struct[0]);