1/* bfd back-end for mips support
2   Copyright 1990, 1991, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001,
3   2002, 2003, 2004 Free Software Foundation, Inc.
4   Written by Steve Chamberlain of Cygnus Support.
5
6This file is part of BFD, the Binary File Descriptor library.
7
8This program is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 2 of the License, or
11(at your option) any later version.
12
13This program is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with this program; if not, write to the Free Software
20Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
21
22#include "bfd.h"
23#include "sysdep.h"
24#include "libbfd.h"
25
26static const bfd_arch_info_type *mips_compatible
27  (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
32static const bfd_arch_info_type *
33mips_compatible (const bfd_arch_info_type *a, const bfd_arch_info_type *b)
34{
35  if (a->arch != b->arch)
36    return NULL;
37
38  /* Machine compatibility is checked in
39     _bfd_mips_elf_merge_private_bfd_data.  */
40
41  return a;
42}
43
44#define N(BITS_WORD, BITS_ADDR, NUMBER, PRINT, DEFAULT, NEXT)		\
45  {							\
46    BITS_WORD, /*  bits in a word */			\
47    BITS_ADDR, /* bits in an address */			\
48    8,	/* 8 bits in a byte */				\
49    bfd_arch_mips,					\
50    NUMBER,						\
51    "mips",						\
52    PRINT,						\
53    3,							\
54    DEFAULT,						\
55    mips_compatible,					\
56    bfd_default_scan,					\
57    NEXT,						\
58  }
59
60enum
61{
62  I_mips3000,
63  I_mips3900,
64  I_mips4000,
65  I_mips4010,
66  I_mips4100,
67  I_mips4111,
68  I_mips4120,
69  I_mips4300,
70  I_mips4400,
71  I_mips4600,
72  I_mips4650,
73  I_mips5000,
74  I_mips5400,
75  I_mips5500,
76  I_mips6000,
77  I_mips7000,
78  I_mips8000,
79  I_mips9000,
80  I_mips10000,
81  I_mips12000,
82  I_mips16,
83  I_mips5,
84  I_mipsisa32,
85  I_mipsisa32r2,
86  I_mipsisa64,
87  I_mipsisa64r2,
88  I_sb1,
89};
90
91#define NN(index) (&arch_info_struct[(index) + 1])
92
93static const bfd_arch_info_type arch_info_struct[] =
94{
95  N (32, 32, bfd_mach_mips3000, "mips:3000",      FALSE, NN(I_mips3000)),
96  N (32, 32, bfd_mach_mips3900, "mips:3900",      FALSE, NN(I_mips3900)),
97  N (64, 64, bfd_mach_mips4000, "mips:4000",      FALSE, NN(I_mips4000)),
98  N (64, 64, bfd_mach_mips4010, "mips:4010",      FALSE, NN(I_mips4010)),
99  N (64, 64, bfd_mach_mips4100, "mips:4100",      FALSE, NN(I_mips4100)),
100  N (64, 64, bfd_mach_mips4111, "mips:4111",      FALSE, NN(I_mips4111)),
101  N (64, 64, bfd_mach_mips4120, "mips:4120",      FALSE, NN(I_mips4120)),
102  N (64, 64, bfd_mach_mips4300, "mips:4300",      FALSE, NN(I_mips4300)),
103  N (64, 64, bfd_mach_mips4400, "mips:4400",      FALSE, NN(I_mips4400)),
104  N (64, 64, bfd_mach_mips4600, "mips:4600",      FALSE, NN(I_mips4600)),
105  N (64, 64, bfd_mach_mips4650, "mips:4650",      FALSE, NN(I_mips4650)),
106  N (64, 64, bfd_mach_mips5000, "mips:5000",      FALSE, NN(I_mips5000)),
107  N (64, 64, bfd_mach_mips5400, "mips:5400",      FALSE, NN(I_mips5400)),
108  N (64, 64, bfd_mach_mips5500, "mips:5500",      FALSE, NN(I_mips5500)),
109  N (32, 32, bfd_mach_mips6000, "mips:6000",      FALSE, NN(I_mips6000)),
110  N (64, 64, bfd_mach_mips7000, "mips:7000",      FALSE, NN(I_mips7000)),
111  N (64, 64, bfd_mach_mips8000, "mips:8000",      FALSE, NN(I_mips8000)),
112  N (64, 64, bfd_mach_mips9000, "mips:9000",      FALSE, NN(I_mips9000)),
113  N (64, 64, bfd_mach_mips10000,"mips:10000",     FALSE, NN(I_mips10000)),
114  N (64, 64, bfd_mach_mips12000,"mips:12000",     FALSE, NN(I_mips12000)),
115  N (64, 64, bfd_mach_mips16,   "mips:16",        FALSE, NN(I_mips16)),
116  N (64, 64, bfd_mach_mips5,    "mips:mips5",     FALSE, NN(I_mips5)),
117  N (32, 32, bfd_mach_mipsisa32,  "mips:isa32",   FALSE, NN(I_mipsisa32)),
118  N (32, 32, bfd_mach_mipsisa32r2,"mips:isa32r2", FALSE, NN(I_mipsisa32r2)),
119  N (64, 64, bfd_mach_mipsisa64,  "mips:isa64",   FALSE, NN(I_mipsisa64)),
120  N (64, 64, bfd_mach_mipsisa64r2,"mips:isa64r2", FALSE, NN(I_mipsisa64r2)),
121  N (64, 64, bfd_mach_mips_sb1, "mips:sb1",       FALSE, 0),
122};
123
124/* The default architecture is mips:3000, but with a machine number of
125   zero.  This lets the linker distinguish between a default setting
126   of mips, and an explicit setting of mips:3000.  */
127
128const bfd_arch_info_type bfd_mips_arch =
129N (32, 32, 0, "mips", TRUE, &arch_info_struct[0]);
130