1 /* bfd back-end for mips support
2 Copyright (C) 1990-2023 Free Software Foundation, Inc.
3 Written by Steve Chamberlain of Cygnus Support.
4
5 This file is part of BFD, the Binary File Descriptor library.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
21
22 #include "sysdep.h"
23 #include "bfd.h"
24 #include "libbfd.h"
25
26 static 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
32 static const bfd_arch_info_type *
33 mips_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, /* 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 bfd_arch_default_fill, \
58 NEXT, \
59 0 /* Maximum offset of a reloc from the start of an insn. */ \
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_mips5900,
79 I_mips6000,
80 I_mips7000,
81 I_mips8000,
82 I_mips9000,
83 I_mips10000,
84 I_mips12000,
85 I_mips14000,
86 I_mips16000,
87 I_mips16,
88 I_mips5,
89 I_mipsisa32,
90 I_mipsisa32r2,
91 I_mipsisa32r3,
92 I_mipsisa32r5,
93 I_mipsisa32r6,
94 I_mipsisa64,
95 I_mipsisa64r2,
96 I_mipsisa64r3,
97 I_mipsisa64r5,
98 I_mipsisa64r6,
99 I_sb1,
100 I_loongson_2e,
101 I_loongson_2f,
102 I_gs464,
103 I_gs464e,
104 I_gs264e,
105 I_mipsocteon,
106 I_mipsocteonp,
107 I_mipsocteon2,
108 I_mipsocteon3,
109 I_xlr,
110 I_interaptiv_mr2,
111 I_allegrex,
112 I_micromips
113 };
114
115 #define NN(index) (&arch_info_struct[(index) + 1])
116
117 static const bfd_arch_info_type arch_info_struct[] =
118 {
119 N (32, 32, bfd_mach_mips3000, "mips:3000", false, NN(I_mips3000)),
120 N (32, 32, bfd_mach_mips3900, "mips:3900", false, NN(I_mips3900)),
121 N (64, 64, bfd_mach_mips4000, "mips:4000", false, NN(I_mips4000)),
122 N (32, 32, bfd_mach_mips4010, "mips:4010", false, NN(I_mips4010)),
123 N (64, 64, bfd_mach_mips4100, "mips:4100", false, NN(I_mips4100)),
124 N (64, 64, bfd_mach_mips4111, "mips:4111", false, NN(I_mips4111)),
125 N (64, 64, bfd_mach_mips4120, "mips:4120", false, NN(I_mips4120)),
126 N (64, 64, bfd_mach_mips4300, "mips:4300", false, NN(I_mips4300)),
127 N (64, 64, bfd_mach_mips4400, "mips:4400", false, NN(I_mips4400)),
128 N (64, 64, bfd_mach_mips4600, "mips:4600", false, NN(I_mips4600)),
129 N (64, 64, bfd_mach_mips4650, "mips:4650", false, NN(I_mips4650)),
130 N (64, 64, bfd_mach_mips5000, "mips:5000", false, NN(I_mips5000)),
131 N (64, 64, bfd_mach_mips5400, "mips:5400", false, NN(I_mips5400)),
132 N (64, 64, bfd_mach_mips5500, "mips:5500", false, NN(I_mips5500)),
133 N (64, 32, bfd_mach_mips5900, "mips:5900", false, NN(I_mips5900)),
134 N (32, 32, bfd_mach_mips6000, "mips:6000", false, NN(I_mips6000)),
135 N (64, 64, bfd_mach_mips7000, "mips:7000", false, NN(I_mips7000)),
136 N (64, 64, bfd_mach_mips8000, "mips:8000", false, NN(I_mips8000)),
137 N (64, 64, bfd_mach_mips9000, "mips:9000", false, NN(I_mips9000)),
138 N (64, 64, bfd_mach_mips10000,"mips:10000", false, NN(I_mips10000)),
139 N (64, 64, bfd_mach_mips12000,"mips:12000", false, NN(I_mips12000)),
140 N (64, 64, bfd_mach_mips14000,"mips:14000", false, NN(I_mips14000)),
141 N (64, 64, bfd_mach_mips16000,"mips:16000", false, NN(I_mips16000)),
142 N (64, 64, bfd_mach_mips16, "mips:16", false, NN(I_mips16)),
143 N (64, 64, bfd_mach_mips5, "mips:mips5", false, NN(I_mips5)),
144 N (32, 32, bfd_mach_mipsisa32, "mips:isa32", false, NN(I_mipsisa32)),
145 N (32, 32, bfd_mach_mipsisa32r2,"mips:isa32r2", false, NN(I_mipsisa32r2)),
146 N (32, 32, bfd_mach_mipsisa32r3,"mips:isa32r3", false, NN(I_mipsisa32r3)),
147 N (32, 32, bfd_mach_mipsisa32r5,"mips:isa32r5", false, NN(I_mipsisa32r5)),
148 N (32, 32, bfd_mach_mipsisa32r6,"mips:isa32r6", false, NN(I_mipsisa32r6)),
149 N (64, 64, bfd_mach_mipsisa64, "mips:isa64", false, NN(I_mipsisa64)),
150 N (64, 64, bfd_mach_mipsisa64r2,"mips:isa64r2", false, NN(I_mipsisa64r2)),
151 N (64, 64, bfd_mach_mipsisa64r3,"mips:isa64r3", false, NN(I_mipsisa64r3)),
152 N (64, 64, bfd_mach_mipsisa64r5,"mips:isa64r5", false, NN(I_mipsisa64r5)),
153 N (64, 64, bfd_mach_mipsisa64r6,"mips:isa64r6", false, NN(I_mipsisa64r6)),
154 N (64, 64, bfd_mach_mips_sb1, "mips:sb1", false, NN(I_sb1)),
155 N (64, 64, bfd_mach_mips_loongson_2e, "mips:loongson_2e", false, NN(I_loongson_2e)),
156 N (64, 64, bfd_mach_mips_loongson_2f, "mips:loongson_2f", false, NN(I_loongson_2f)),
157 N (64, 64, bfd_mach_mips_gs464, "mips:gs464", false, NN(I_gs464)),
158 N (64, 64, bfd_mach_mips_gs464e, "mips:gs464e", false, NN(I_gs464e)),
159 N (64, 64, bfd_mach_mips_gs264e, "mips:gs264e", false, NN(I_gs264e)),
160 N (64, 64, bfd_mach_mips_octeon,"mips:octeon", false, NN(I_mipsocteon)),
161 N (64, 64, bfd_mach_mips_octeonp,"mips:octeon+", false, NN(I_mipsocteonp)),
162 N (64, 64, bfd_mach_mips_octeon2,"mips:octeon2", false, NN(I_mipsocteon2)),
163 N (64, 64, bfd_mach_mips_octeon3, "mips:octeon3", false, NN(I_mipsocteon3)),
164 N (64, 64, bfd_mach_mips_xlr, "mips:xlr", false, NN(I_xlr)),
165 N (32, 32, bfd_mach_mips_interaptiv_mr2, "mips:interaptiv-mr2", false,
166 NN(I_interaptiv_mr2)),
167 N (32, 32, bfd_mach_mips_allegrex, "mips:allegrex", false, NN(I_allegrex)),
168 N (64, 64, bfd_mach_mips_micromips, "mips:micromips", false, NULL)
169 };
170
171 /* The default architecture is mips:3000, but with a machine number of
172 zero. This lets the linker distinguish between a default setting
173 of mips, and an explicit setting of mips:3000. */
174
175 const bfd_arch_info_type bfd_mips_arch =
176 N (32, 32, 0, "mips", true, &arch_info_struct[0]);