1/* bfd back-end for mips support
2   Copyright (C) 1990-2020 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
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,	        /* 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
62enum
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_micromips
112};
113
114#define NN(index) (&arch_info_struct[(index) + 1])
115
116static const bfd_arch_info_type arch_info_struct[] =
117{
118  N (32, 32, bfd_mach_mips3000, "mips:3000",	  FALSE, NN(I_mips3000)),
119  N (32, 32, bfd_mach_mips3900, "mips:3900",	  FALSE, NN(I_mips3900)),
120  N (64, 64, bfd_mach_mips4000, "mips:4000",	  FALSE, NN(I_mips4000)),
121  N (32, 32, bfd_mach_mips4010, "mips:4010",	  FALSE, NN(I_mips4010)),
122  N (64, 64, bfd_mach_mips4100, "mips:4100",	  FALSE, NN(I_mips4100)),
123  N (64, 64, bfd_mach_mips4111, "mips:4111",	  FALSE, NN(I_mips4111)),
124  N (64, 64, bfd_mach_mips4120, "mips:4120",	  FALSE, NN(I_mips4120)),
125  N (64, 64, bfd_mach_mips4300, "mips:4300",	  FALSE, NN(I_mips4300)),
126  N (64, 64, bfd_mach_mips4400, "mips:4400",	  FALSE, NN(I_mips4400)),
127  N (64, 64, bfd_mach_mips4600, "mips:4600",	  FALSE, NN(I_mips4600)),
128  N (64, 64, bfd_mach_mips4650, "mips:4650",	  FALSE, NN(I_mips4650)),
129  N (64, 64, bfd_mach_mips5000, "mips:5000",	  FALSE, NN(I_mips5000)),
130  N (64, 64, bfd_mach_mips5400, "mips:5400",	  FALSE, NN(I_mips5400)),
131  N (64, 64, bfd_mach_mips5500, "mips:5500",	  FALSE, NN(I_mips5500)),
132  N (64, 32, bfd_mach_mips5900, "mips:5900",	  FALSE, NN(I_mips5900)),
133  N (32, 32, bfd_mach_mips6000, "mips:6000",	  FALSE, NN(I_mips6000)),
134  N (64, 64, bfd_mach_mips7000, "mips:7000",	  FALSE, NN(I_mips7000)),
135  N (64, 64, bfd_mach_mips8000, "mips:8000",	  FALSE, NN(I_mips8000)),
136  N (64, 64, bfd_mach_mips9000, "mips:9000",	  FALSE, NN(I_mips9000)),
137  N (64, 64, bfd_mach_mips10000,"mips:10000",	  FALSE, NN(I_mips10000)),
138  N (64, 64, bfd_mach_mips12000,"mips:12000",	  FALSE, NN(I_mips12000)),
139  N (64, 64, bfd_mach_mips14000,"mips:14000",	  FALSE, NN(I_mips14000)),
140  N (64, 64, bfd_mach_mips16000,"mips:16000",	  FALSE, NN(I_mips16000)),
141  N (64, 64, bfd_mach_mips16,	"mips:16",	  FALSE, NN(I_mips16)),
142  N (64, 64, bfd_mach_mips5,	"mips:mips5",	  FALSE, NN(I_mips5)),
143  N (32, 32, bfd_mach_mipsisa32,  "mips:isa32",	  FALSE, NN(I_mipsisa32)),
144  N (32, 32, bfd_mach_mipsisa32r2,"mips:isa32r2", FALSE, NN(I_mipsisa32r2)),
145  N (32, 32, bfd_mach_mipsisa32r3,"mips:isa32r3", FALSE, NN(I_mipsisa32r3)),
146  N (32, 32, bfd_mach_mipsisa32r5,"mips:isa32r5", FALSE, NN(I_mipsisa32r5)),
147  N (32, 32, bfd_mach_mipsisa32r6,"mips:isa32r6", FALSE, NN(I_mipsisa32r6)),
148  N (64, 64, bfd_mach_mipsisa64,  "mips:isa64",	  FALSE, NN(I_mipsisa64)),
149  N (64, 64, bfd_mach_mipsisa64r2,"mips:isa64r2", FALSE, NN(I_mipsisa64r2)),
150  N (64, 64, bfd_mach_mipsisa64r3,"mips:isa64r3", FALSE, NN(I_mipsisa64r3)),
151  N (64, 64, bfd_mach_mipsisa64r5,"mips:isa64r5", FALSE, NN(I_mipsisa64r5)),
152  N (64, 64, bfd_mach_mipsisa64r6,"mips:isa64r6", FALSE, NN(I_mipsisa64r6)),
153  N (64, 64, bfd_mach_mips_sb1, "mips:sb1",	  FALSE, NN(I_sb1)),
154  N (64, 64, bfd_mach_mips_loongson_2e, "mips:loongson_2e", FALSE, NN(I_loongson_2e)),
155  N (64, 64, bfd_mach_mips_loongson_2f, "mips:loongson_2f", FALSE, NN(I_loongson_2f)),
156  N (64, 64, bfd_mach_mips_gs464, "mips:gs464",	  FALSE, NN(I_gs464)),
157  N (64, 64, bfd_mach_mips_gs464e, "mips:gs464e", FALSE, NN(I_gs464e)),
158  N (64, 64, bfd_mach_mips_gs264e, "mips:gs264e", FALSE, NN(I_gs264e)),
159  N (64, 64, bfd_mach_mips_octeon,"mips:octeon",  FALSE, NN(I_mipsocteon)),
160  N (64, 64, bfd_mach_mips_octeonp,"mips:octeon+", FALSE, NN(I_mipsocteonp)),
161  N (64, 64, bfd_mach_mips_octeon2,"mips:octeon2", FALSE, NN(I_mipsocteon2)),
162  N (64, 64, bfd_mach_mips_octeon3, "mips:octeon3", FALSE, NN(I_mipsocteon3)),
163  N (64, 64, bfd_mach_mips_xlr, "mips:xlr",	   FALSE, NN(I_xlr)),
164  N (32, 32, bfd_mach_mips_interaptiv_mr2, "mips:interaptiv-mr2", FALSE,
165     NN(I_interaptiv_mr2)),
166  N (64, 64, bfd_mach_mips_micromips, "mips:micromips", FALSE, NULL)
167};
168
169/* The default architecture is mips:3000, but with a machine number of
170   zero.  This lets the linker distinguish between a default setting
171   of mips, and an explicit setting of mips:3000.  */
172
173const bfd_arch_info_type bfd_mips_arch =
174N (32, 32, 0, "mips", TRUE, &arch_info_struct[0]);
175