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 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
27static 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
33static const bfd_arch_info_type *
34mips_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
61enum
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_mips14000,
84  I_mips16000,
85  I_mips16,
86  I_mips5,
87  I_mipsisa32,
88  I_mipsisa32r2,
89  I_mipsisa64,
90  I_mipsisa64r2,
91  I_sb1,
92  I_loongson_2e,
93  I_loongson_2f,
94  I_mipsocteon,
95  I_xlr
96};
97
98#define NN(index) (&arch_info_struct[(index) + 1])
99
100static const bfd_arch_info_type arch_info_struct[] =
101{
102  N (32, 32, bfd_mach_mips3000, "mips:3000",      FALSE, NN(I_mips3000)),
103  N (32, 32, bfd_mach_mips3900, "mips:3900",      FALSE, NN(I_mips3900)),
104  N (64, 64, bfd_mach_mips4000, "mips:4000",      FALSE, NN(I_mips4000)),
105  N (64, 64, bfd_mach_mips4010, "mips:4010",      FALSE, NN(I_mips4010)),
106  N (64, 64, bfd_mach_mips4100, "mips:4100",      FALSE, NN(I_mips4100)),
107  N (64, 64, bfd_mach_mips4111, "mips:4111",      FALSE, NN(I_mips4111)),
108  N (64, 64, bfd_mach_mips4120, "mips:4120",      FALSE, NN(I_mips4120)),
109  N (64, 64, bfd_mach_mips4300, "mips:4300",      FALSE, NN(I_mips4300)),
110  N (64, 64, bfd_mach_mips4400, "mips:4400",      FALSE, NN(I_mips4400)),
111  N (64, 64, bfd_mach_mips4600, "mips:4600",      FALSE, NN(I_mips4600)),
112  N (64, 64, bfd_mach_mips4650, "mips:4650",      FALSE, NN(I_mips4650)),
113  N (64, 64, bfd_mach_mips5000, "mips:5000",      FALSE, NN(I_mips5000)),
114  N (64, 64, bfd_mach_mips5400, "mips:5400",      FALSE, NN(I_mips5400)),
115  N (64, 64, bfd_mach_mips5500, "mips:5500",      FALSE, NN(I_mips5500)),
116  N (32, 32, bfd_mach_mips6000, "mips:6000",      FALSE, NN(I_mips6000)),
117  N (64, 64, bfd_mach_mips7000, "mips:7000",      FALSE, NN(I_mips7000)),
118  N (64, 64, bfd_mach_mips8000, "mips:8000",      FALSE, NN(I_mips8000)),
119  N (64, 64, bfd_mach_mips9000, "mips:9000",      FALSE, NN(I_mips9000)),
120  N (64, 64, bfd_mach_mips10000,"mips:10000",     FALSE, NN(I_mips10000)),
121  N (64, 64, bfd_mach_mips12000,"mips:12000",     FALSE, NN(I_mips12000)),
122  N (64, 64, bfd_mach_mips14000,"mips:14000",     FALSE, NN(I_mips14000)),
123  N (64, 64, bfd_mach_mips16000,"mips:16000",     FALSE, NN(I_mips16000)),
124  N (64, 64, bfd_mach_mips16,   "mips:16",        FALSE, NN(I_mips16)),
125  N (64, 64, bfd_mach_mips5,    "mips:mips5",     FALSE, NN(I_mips5)),
126  N (32, 32, bfd_mach_mipsisa32,  "mips:isa32",   FALSE, NN(I_mipsisa32)),
127  N (32, 32, bfd_mach_mipsisa32r2,"mips:isa32r2", FALSE, NN(I_mipsisa32r2)),
128  N (64, 64, bfd_mach_mipsisa64,  "mips:isa64",   FALSE, NN(I_mipsisa64)),
129  N (64, 64, bfd_mach_mipsisa64r2,"mips:isa64r2", FALSE, NN(I_mipsisa64r2)),
130  N (64, 64, bfd_mach_mips_sb1, "mips:sb1",       FALSE, NN(I_sb1)),
131  N (64, 64, bfd_mach_mips_loongson_2e, "mips:loongson_2e",       FALSE, NN(I_loongson_2e)),
132  N (64, 64, bfd_mach_mips_loongson_2f, "mips:loongson_2f",       FALSE, NN(I_loongson_2f)),
133  N (64, 64, bfd_mach_mips_octeon,"mips:octeon",  FALSE, NN(I_mipsocteon)),
134  N (64, 64, bfd_mach_mips_xlr, "mips:xlr",       FALSE, 0)
135};
136
137/* The default architecture is mips:3000, but with a machine number of
138   zero.  This lets the linker distinguish between a default setting
139   of mips, and an explicit setting of mips:3000.  */
140
141const bfd_arch_info_type bfd_mips_arch =
142N (32, 32, 0, "mips", TRUE, &arch_info_struct[0]);
143