Coverage Report

Created: 2024-05-21 06:29

/src/binutils-gdb/include/elf/mips.h
Line
Count
Source (jump to first uncovered line)
1
/* MIPS ELF support for BFD.
2
   Copyright (C) 1993-2024 Free Software Foundation, Inc.
3
4
   By Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>, from
5
   information in the System V Application Binary Interface, MIPS
6
   Processor Supplement.
7
8
   This file is part of BFD, the Binary File Descriptor library.
9
10
   This program is free software; you can redistribute it and/or modify
11
   it under the terms of the GNU General Public License as published by
12
   the Free Software Foundation; either version 3 of the License, or
13
   (at your option) any later version.
14
15
   This program is distributed in the hope that it will be useful,
16
   but WITHOUT ANY WARRANTY; without even the implied warranty of
17
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18
   GNU General Public License for more details.
19
20
   You should have received a copy of the GNU General Public License
21
   along with this program; if not, write to the Free Software
22
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
23
   MA 02110-1301, USA.  */
24
25
/* This file holds definitions specific to the MIPS ELF ABI.  Note
26
   that most of this is not actually implemented by BFD.  */
27
28
#ifndef _ELF_MIPS_H
29
#define _ELF_MIPS_H
30
31
#include "elf/reloc-macros.h"
32
33
#ifdef __cplusplus
34
extern "C" {
35
#endif
36
37
/* Relocation types.  */
38
161k
START_RELOC_NUMBERS (elf_mips_reloc_type)
39
161k
  RELOC_NUMBER (R_MIPS_NONE, 0)
40
2.76k
  RELOC_NUMBER (R_MIPS_16, 1)
41
  RELOC_NUMBER (R_MIPS_32, 2)   /* In Elf 64: alias R_MIPS_ADD */
42
  RELOC_NUMBER (R_MIPS_REL32, 3)  /* In Elf 64: alias R_MIPS_REL */
43
2.92k
  RELOC_NUMBER (R_MIPS_26, 4)
44
1.29k
  RELOC_NUMBER (R_MIPS_HI16, 5)
45
429
  RELOC_NUMBER (R_MIPS_LO16, 6)
46
  RELOC_NUMBER (R_MIPS_GPREL16, 7)  /* In Elf 64: alias R_MIPS_GPREL */
47
2.23k
  RELOC_NUMBER (R_MIPS_LITERAL, 8)
48
  RELOC_NUMBER (R_MIPS_GOT16, 9)  /* In Elf 64: alias R_MIPS_GOT */
49
1.97k
  RELOC_NUMBER (R_MIPS_PC16, 10)
50
  RELOC_NUMBER (R_MIPS_CALL16, 11)  /* In Elf 64: alias R_MIPS_CALL */
51
192
  RELOC_NUMBER (R_MIPS_GPREL32, 12)
52
  /* The remaining relocs are defined on Irix, although they are not
53
     in the MIPS ELF ABI.  */
54
145
  RELOC_NUMBER (R_MIPS_UNUSED1, 13)
55
534
  RELOC_NUMBER (R_MIPS_UNUSED2, 14)
56
294
  RELOC_NUMBER (R_MIPS_UNUSED3, 15)
57
710
  RELOC_NUMBER (R_MIPS_SHIFT5, 16)
58
1.32k
  RELOC_NUMBER (R_MIPS_SHIFT6, 17)
59
463
  RELOC_NUMBER (R_MIPS_64, 18)
60
140
  RELOC_NUMBER (R_MIPS_GOT_DISP, 19)
61
522
  RELOC_NUMBER (R_MIPS_GOT_PAGE, 20)
62
364
  RELOC_NUMBER (R_MIPS_GOT_OFST, 21)
63
342
  RELOC_NUMBER (R_MIPS_GOT_HI16, 22)
64
411
  RELOC_NUMBER (R_MIPS_GOT_LO16, 23)
65
917
  RELOC_NUMBER (R_MIPS_SUB, 24)
66
229
  RELOC_NUMBER (R_MIPS_INSERT_A, 25)
67
843
  RELOC_NUMBER (R_MIPS_INSERT_B, 26)
68
370
  RELOC_NUMBER (R_MIPS_DELETE, 27)
69
243
  RELOC_NUMBER (R_MIPS_HIGHER, 28)
70
88
  RELOC_NUMBER (R_MIPS_HIGHEST, 29)
71
335
  RELOC_NUMBER (R_MIPS_CALL_HI16, 30)
72
15
  RELOC_NUMBER (R_MIPS_CALL_LO16, 31)
73
1.41k
  RELOC_NUMBER (R_MIPS_SCN_DISP, 32)
74
806
  RELOC_NUMBER (R_MIPS_REL16, 33)
75
730
  RELOC_NUMBER (R_MIPS_ADD_IMMEDIATE, 34)
76
497
  RELOC_NUMBER (R_MIPS_PJUMP, 35)
77
666
  RELOC_NUMBER (R_MIPS_RELGOT, 36)
78
274
  RELOC_NUMBER (R_MIPS_JALR, 37)
79
  /* TLS relocations.  */
80
335
  RELOC_NUMBER (R_MIPS_TLS_DTPMOD32, 38)
81
651
  RELOC_NUMBER (R_MIPS_TLS_DTPREL32, 39)
82
1.13k
  RELOC_NUMBER (R_MIPS_TLS_DTPMOD64, 40)
83
454
  RELOC_NUMBER (R_MIPS_TLS_DTPREL64, 41)
84
221
  RELOC_NUMBER (R_MIPS_TLS_GD, 42)
85
918
  RELOC_NUMBER (R_MIPS_TLS_LDM, 43)
86
159
  RELOC_NUMBER (R_MIPS_TLS_DTPREL_HI16, 44)
87
208
  RELOC_NUMBER (R_MIPS_TLS_DTPREL_LO16, 45)
88
3.07k
  RELOC_NUMBER (R_MIPS_TLS_GOTTPREL, 46)
89
186
  RELOC_NUMBER (R_MIPS_TLS_TPREL32, 47)
90
1.15k
  RELOC_NUMBER (R_MIPS_TLS_TPREL64, 48)
91
268
  RELOC_NUMBER (R_MIPS_TLS_TPREL_HI16, 49)
92
304
  RELOC_NUMBER (R_MIPS_TLS_TPREL_LO16, 50)
93
246
  RELOC_NUMBER (R_MIPS_GLOB_DAT, 51)
94
  /* Space to grow */
95
101
  RELOC_NUMBER (R_MIPS_PC21_S2, 60)
96
172
  RELOC_NUMBER (R_MIPS_PC26_S2, 61)
97
90
  RELOC_NUMBER (R_MIPS_PC18_S3, 62)
98
124
  RELOC_NUMBER (R_MIPS_PC19_S2, 63)
99
1.73k
  RELOC_NUMBER (R_MIPS_PCHI16, 64)
100
465
  RELOC_NUMBER (R_MIPS_PCLO16, 65)
101
0
  FAKE_RELOC (R_MIPS_max, 66)
102
  /* These relocs are used for the mips16.  */
103
0
  FAKE_RELOC (R_MIPS16_min, 100)
104
688
  RELOC_NUMBER (R_MIPS16_26, 100)
105
250
  RELOC_NUMBER (R_MIPS16_GPREL, 101)
106
193
  RELOC_NUMBER (R_MIPS16_GOT16, 102)
107
175
  RELOC_NUMBER (R_MIPS16_CALL16, 103)
108
208
  RELOC_NUMBER (R_MIPS16_HI16, 104)
109
426
  RELOC_NUMBER (R_MIPS16_LO16, 105)
110
39
  RELOC_NUMBER (R_MIPS16_TLS_GD, 106)
111
171
  RELOC_NUMBER (R_MIPS16_TLS_LDM, 107)
112
135
  RELOC_NUMBER (R_MIPS16_TLS_DTPREL_HI16, 108)
113
75
  RELOC_NUMBER (R_MIPS16_TLS_DTPREL_LO16, 109)
114
269
  RELOC_NUMBER (R_MIPS16_TLS_GOTTPREL, 110)
115
736
  RELOC_NUMBER (R_MIPS16_TLS_TPREL_HI16, 111)
116
445
  RELOC_NUMBER (R_MIPS16_TLS_TPREL_LO16, 112)
117
194
  RELOC_NUMBER (R_MIPS16_PC16_S1, 113)
118
0
  FAKE_RELOC (R_MIPS16_max, 114)
119
  /* These relocations are specific to VxWorks.  */
120
393
  RELOC_NUMBER (R_MIPS_COPY, 126)
121
1.47k
  RELOC_NUMBER (R_MIPS_JUMP_SLOT, 127)
122
123
  /* These relocations are specific to microMIPS.  */
124
0
  FAKE_RELOC (R_MICROMIPS_min, 130)
125
45
  RELOC_NUMBER (R_MICROMIPS_26_S1, 133)
126
66
  RELOC_NUMBER (R_MICROMIPS_HI16, 134)
127
24
  RELOC_NUMBER (R_MICROMIPS_LO16, 135)
128
  RELOC_NUMBER (R_MICROMIPS_GPREL16, 136) /* In Elf 64:
129
0
               alias R_MICROMIPS_GPREL */
130
426
  RELOC_NUMBER (R_MICROMIPS_LITERAL, 137)
131
  RELOC_NUMBER (R_MICROMIPS_GOT16, 138)   /* In Elf 64:
132
0
               alias R_MICROMIPS_GOT */
133
628
  RELOC_NUMBER (R_MICROMIPS_PC7_S1, 139)
134
78
  RELOC_NUMBER (R_MICROMIPS_PC10_S1, 140)
135
34
  RELOC_NUMBER (R_MICROMIPS_PC16_S1, 141)
136
  RELOC_NUMBER (R_MICROMIPS_CALL16, 142)  /* In Elf 64:
137
0
               alias R_MICROMIPS_CALL */
138
69
  RELOC_NUMBER (R_MICROMIPS_GOT_DISP, 145)
139
313
  RELOC_NUMBER (R_MICROMIPS_GOT_PAGE, 146)
140
21
  RELOC_NUMBER (R_MICROMIPS_GOT_OFST, 147)
141
31
  RELOC_NUMBER (R_MICROMIPS_GOT_HI16, 148)
142
62
  RELOC_NUMBER (R_MICROMIPS_GOT_LO16, 149)
143
25
  RELOC_NUMBER (R_MICROMIPS_SUB, 150)
144
35
  RELOC_NUMBER (R_MICROMIPS_HIGHER, 151)
145
85
  RELOC_NUMBER (R_MICROMIPS_HIGHEST, 152)
146
80
  RELOC_NUMBER (R_MICROMIPS_CALL_HI16, 153)
147
128
  RELOC_NUMBER (R_MICROMIPS_CALL_LO16, 154)
148
20
  RELOC_NUMBER (R_MICROMIPS_SCN_DISP, 155)
149
53
  RELOC_NUMBER (R_MICROMIPS_JALR, 156)
150
38
  RELOC_NUMBER (R_MICROMIPS_HI0_LO16, 157)
151
  /* TLS relocations.  */
152
12
  RELOC_NUMBER (R_MICROMIPS_TLS_GD, 162)
153
71
  RELOC_NUMBER (R_MICROMIPS_TLS_LDM, 163)
154
40
  RELOC_NUMBER (R_MICROMIPS_TLS_DTPREL_HI16, 164)
155
156
  RELOC_NUMBER (R_MICROMIPS_TLS_DTPREL_LO16, 165)
156
197
  RELOC_NUMBER (R_MICROMIPS_TLS_GOTTPREL, 166)
157
49
  RELOC_NUMBER (R_MICROMIPS_TLS_TPREL_HI16, 169)
158
14
  RELOC_NUMBER (R_MICROMIPS_TLS_TPREL_LO16, 170)
159
  /* microMIPS GP- and PC-relative relocations. */
160
305
  RELOC_NUMBER (R_MICROMIPS_GPREL7_S2, 172)
161
87
  RELOC_NUMBER (R_MICROMIPS_PC23_S2, 173)
162
0
  FAKE_RELOC (R_MICROMIPS_max, 174)
163
164
  /* This was a GNU extension used by embedded-PIC.  It was co-opted by
165
     mips-linux for exception-handling data.  GCC stopped using it in
166
     May, 2004, then started using it again for compact unwind tables.  */
167
433
  RELOC_NUMBER (R_MIPS_PC32, 248)
168
342
  RELOC_NUMBER (R_MIPS_EH, 249)
169
  /* FIXME: this relocation is used internally by gas.  */
170
287
  RELOC_NUMBER (R_MIPS_GNU_REL16_S2, 250)
171
  /* These are GNU extensions to enable C++ vtable garbage collection.  */
172
998
  RELOC_NUMBER (R_MIPS_GNU_VTINHERIT, 253)
173
407
  RELOC_NUMBER (R_MIPS_GNU_VTENTRY, 254)
174
48.3k
END_RELOC_NUMBERS (R_MIPS_maxext)
175
176
/* Processor specific flags for the ELF header e_flags field.  */
177
178
/* At least one .noreorder directive appears in the source.  */
179
3.72k
#define EF_MIPS_NOREORDER 0x00000001
180
181
/* File contains position independent code.  */
182
3.72k
#define EF_MIPS_PIC   0x00000002
183
184
/* Code in file uses the standard calling sequence for calling
185
   position independent code.  */
186
3.72k
#define EF_MIPS_CPIC    0x00000004
187
188
/* ???  Unknown flag, set in IRIX 6's BSDdup2.o in libbsd.a.  */
189
277
#define EF_MIPS_XGOT    0x00000008
190
191
/* Code in file uses UCODE (obsolete) */
192
3.72k
#define EF_MIPS_UCODE   0x00000010
193
194
/* Code in file uses new ABI (-n32 on Irix 6).  */
195
943k
#define EF_MIPS_ABI2    0x00000020
196
197
/* Process the .MIPS.options section first by ld */
198
3.44k
#define EF_MIPS_OPTIONS_FIRST 0x00000080
199
200
/* Indicates code compiled for a 64-bit machine in 32-bit mode
201
   (regs are 32-bits wide).  */
202
3.72k
#define EF_MIPS_32BITMODE 0x00000100
203
204
/* 32-bit machine but FP registers are 64 bit (-mfp64).  */
205
3.72k
#define EF_MIPS_FP64    0x00000200
206
207
/* Code in file uses the IEEE 754-2008 NaN encoding convention.  */
208
3.72k
#define EF_MIPS_NAN2008   0x00000400
209
210
/* Architectural Extensions used by this file */
211
0
#define EF_MIPS_ARCH_ASE  0x0f000000
212
213
/* Use MDMX multimedia extensions */
214
607k
#define EF_MIPS_ARCH_ASE_MDMX 0x08000000
215
216
/* Use MIPS-16 ISA extensions */
217
3.72k
#define EF_MIPS_ARCH_ASE_M16  0x04000000
218
219
/* Use MICROMIPS ISA extensions.  */
220
608k
#define EF_MIPS_ARCH_ASE_MICROMIPS  0x02000000
221
222
/* Four bit MIPS architecture field.  */
223
86.8k
#define EF_MIPS_ARCH    0xf0000000
224
225
/* -mips1 code.  */
226
76.5k
#define EF_MIPS_ARCH_1    0x00000000
227
228
/* -mips2 code.  */
229
597
#define EF_MIPS_ARCH_2    0x10000000
230
231
/* -mips3 code.  */
232
1.18k
#define EF_MIPS_ARCH_3    0x20000000
233
234
/* -mips4 code.  */
235
283
#define EF_MIPS_ARCH_4    0x30000000
236
237
/* -mips5 code.  */
238
196
#define EF_MIPS_ARCH_5           0x40000000
239
240
/* -mips32 code.  */
241
225
#define EF_MIPS_ARCH_32          0x50000000
242
243
/* -mips64 code.  */
244
1.66k
#define EF_MIPS_ARCH_64          0x60000000
245
246
/* -mips32r2 code.  */
247
2.60k
#define EF_MIPS_ARCH_32R2        0x70000000
248
249
/* -mips64r2 code.  */
250
2.97k
#define EF_MIPS_ARCH_64R2        0x80000000
251
252
/* -mips32r6 code.  */
253
284
#define EF_MIPS_ARCH_32R6        0x90000000
254
255
/* -mips64r6 code.  */
256
73
#define EF_MIPS_ARCH_64R6        0xa0000000
257
258
/* The ABI of the file.  Also see EF_MIPS_ABI2 above. */
259
7.30k
#define EF_MIPS_ABI   0x0000F000
260
261
/* The original o32 abi. */
262
297
#define EF_MIPS_ABI_O32          0x00001000
263
264
/* O32 extended to work on 64 bit architectures */
265
355
#define EF_MIPS_ABI_O64          0x00002000
266
267
/* EABI in 32 bit mode */
268
333
#define EF_MIPS_ABI_EABI32       0x00003000
269
270
/* EABI in 64 bit mode */
271
5.90k
#define EF_MIPS_ABI_EABI64       0x00004000
272
273
/* In order to support backwards compatibility we also
274
   define the old versions of some of these constants.  */
275
#define E_MIPS_ARCH_1     EF_MIPS_ARCH_1
276
#define E_MIPS_ARCH_2     EF_MIPS_ARCH_2
277
#define E_MIPS_ARCH_3     EF_MIPS_ARCH_3
278
#define E_MIPS_ARCH_4     EF_MIPS_ARCH_4
279
#define E_MIPS_ARCH_5     EF_MIPS_ARCH_5
280
#define E_MIPS_ARCH_32    EF_MIPS_ARCH_32
281
#define E_MIPS_ARCH_64    EF_MIPS_ARCH_64
282
#define E_MIPS_ARCH_32R2  EF_MIPS_ARCH_32R2
283
#define E_MIPS_ARCH_64R2  EF_MIPS_ARCH_64R2
284
#define E_MIPS_ARCH_32R6  EF_MIPS_ARCH_32R6
285
#define E_MIPS_ARCH_64R6  EF_MIPS_ARCH_64R6
286
#define E_MIPS_ABI_O32    EF_MIPS_ABI_O32
287
#define E_MIPS_ABI_O64    EF_MIPS_ABI_O64
288
#define E_MIPS_ABI_EABI32 EF_MIPS_ABI_EABI32
289
#define E_MIPS_ABI_EABI64 EF_MIPS_ABI_EABI64
290
291
292
/* Machine variant if we know it.  This field was invented at Cygnus,
293
   but it is hoped that other vendors will adopt it.  If some standard
294
   is developed, this code should be changed to follow it. */
295
296
90.3k
#define EF_MIPS_MACH    0x00FF0000
297
298
/* Cygnus is choosing values between 80 and 9F;
299
   00 - 7F should be left for a future standard;
300
   the rest are open. */
301
302
17
#define EF_MIPS_MACH_3900 0x00810000
303
1
#define EF_MIPS_MACH_4010 0x00820000
304
4
#define EF_MIPS_MACH_4100 0x00830000
305
12
#define EF_MIPS_MACH_ALLEGREX 0x00840000
306
87
#define EF_MIPS_MACH_4650 0x00850000
307
22
#define EF_MIPS_MACH_4120 0x00870000
308
8
#define EF_MIPS_MACH_4111 0x00880000
309
10
#define EF_MIPS_MACH_SB1         0x008a0000
310
44
#define EF_MIPS_MACH_OCTEON 0x008b0000
311
19
#define EF_MIPS_MACH_XLR      0x008c0000
312
8
#define EF_MIPS_MACH_OCTEON2  0x008d0000
313
412
#define EF_MIPS_MACH_OCTEON3  0x008e0000
314
1
#define EF_MIPS_MACH_5400 0x00910000
315
7
#define EF_MIPS_MACH_5900 0x00920000
316
28
#define EF_MIPS_MACH_IAMR2  0x00930000
317
5
#define EF_MIPS_MACH_5500 0x00980000
318
4.18k
#define EF_MIPS_MACH_9000 0x00990000
319
18
#define EF_MIPS_MACH_LS2E        0x00A00000
320
11
#define EF_MIPS_MACH_LS2F        0x00A10000
321
5
#define EF_MIPS_MACH_GS464       0x00A20000
322
1
#define EF_MIPS_MACH_GS464E 0x00A30000
323
16
#define EF_MIPS_MACH_GS264E 0x00A40000
324
325
/* In order to support backwards compatibility we also
326
   define the old versions of some of these constants.  */
327
#define E_MIPS_MACH_3900      EF_MIPS_MACH_3900 
328
#define E_MIPS_MACH_4010      EF_MIPS_MACH_4010 
329
#define E_MIPS_MACH_4100      EF_MIPS_MACH_4100 
330
#define E_MIPS_MACH_ALLEGREX  EF_MIPS_MACH_ALLEGREX 
331
#define E_MIPS_MACH_4650      EF_MIPS_MACH_4650 
332
#define E_MIPS_MACH_4120      EF_MIPS_MACH_4120 
333
#define E_MIPS_MACH_4111      EF_MIPS_MACH_4111 
334
#define E_MIPS_MACH_SB1       EF_MIPS_MACH_SB1 
335
#define E_MIPS_MACH_OCTEON    EF_MIPS_MACH_OCTEON 
336
#define E_MIPS_MACH_XLR       EF_MIPS_MACH_XLR 
337
#define E_MIPS_MACH_OCTEON2   EF_MIPS_MACH_OCTEON2 
338
#define E_MIPS_MACH_OCTEON3   EF_MIPS_MACH_OCTEON3 
339
#define E_MIPS_MACH_5400      EF_MIPS_MACH_5400 
340
#define E_MIPS_MACH_5900      EF_MIPS_MACH_5900 
341
#define E_MIPS_MACH_IAMR2     EF_MIPS_MACH_IAMR2 
342
#define E_MIPS_MACH_5500      EF_MIPS_MACH_5500 
343
#define E_MIPS_MACH_9000      EF_MIPS_MACH_9000 
344
#define E_MIPS_MACH_LS2E      EF_MIPS_MACH_LS2E 
345
#define E_MIPS_MACH_LS2F      EF_MIPS_MACH_LS2F 
346
#define E_MIPS_MACH_GS464     EF_MIPS_MACH_GS464 
347
#define E_MIPS_MACH_GS464E    EF_MIPS_MACH_GS464E 
348
#define E_MIPS_MACH_GS264E    EF_MIPS_MACH_GS264E 
349
350
/* Processor specific section indices.  These sections do not actually
351
   exist.  Symbols with a st_shndx field corresponding to one of these
352
   values have a special meaning.  */
353
354
/* Defined and allocated common symbol.  Value is virtual address.  If
355
   relocated, alignment must be preserved.  */
356
96
#define SHN_MIPS_ACOMMON  SHN_LORESERVE
357
358
/* Defined and allocated text symbol.  Value is virtual address.
359
   Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables.  */
360
6
#define SHN_MIPS_TEXT   (SHN_LORESERVE + 1)
361
362
/* Defined and allocated data symbol.  Value is virtual address.
363
   Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables.  */
364
9
#define SHN_MIPS_DATA   (SHN_LORESERVE + 2)
365
366
/* Small common symbol.  */
367
70.4k
#define SHN_MIPS_SCOMMON  (SHN_LORESERVE + 3)
368
369
/* Small undefined symbol.  */
370
70.4k
#define SHN_MIPS_SUNDEFINED (SHN_LORESERVE + 4)
371

372
/* Processor specific section types.  */
373
374
/* Section contains the set of dynamic shared objects used when
375
   statically linking.  */
376
48
#define SHT_MIPS_LIBLIST  0x70000000
377
378
/* I'm not sure what this is, but it's used on Irix 5.  */
379
98
#define SHT_MIPS_MSYM   0x70000001
380
381
/* Section contains list of symbols whose definitions conflict with
382
   symbols defined in shared objects.  */
383
56
#define SHT_MIPS_CONFLICT 0x70000002
384
385
/* Section contains the global pointer table.  */
386
15
#define SHT_MIPS_GPTAB    0x70000003
387
388
/* Section contains microcode information.  The exact format is
389
   unspecified.  */
390
4
#define SHT_MIPS_UCODE    0x70000004
391
392
/* Section contains some sort of debugging information.  The exact
393
   format is unspecified.  It's probably ECOFF symbols.  */
394
24
#define SHT_MIPS_DEBUG    0x70000005
395
396
/* Section contains register usage information.  */
397
180k
#define SHT_MIPS_REGINFO  0x70000006
398
399
/* ??? */
400
0
#define SHT_MIPS_PACKAGE  0x70000007
401
402
/* ??? */
403
3
#define SHT_MIPS_PACKSYM  0x70000008
404
405
/* ??? */
406
12
#define SHT_MIPS_RELD   0x70000009
407
408
/* Section contains interface information.  */
409
26
#define SHT_MIPS_IFACE    0x7000000b
410
411
/* Section contains description of contents of another section.  */
412
28
#define SHT_MIPS_CONTENT  0x7000000c
413
414
/* Section contains miscellaneous options.  */
415
182k
#define SHT_MIPS_OPTIONS  0x7000000d
416
417
/* ??? */
418
4
#define SHT_MIPS_SHDR   0x70000010
419
420
/* ??? */
421
11
#define SHT_MIPS_FDESC    0x70000011
422
423
/* ??? */
424
0
#define SHT_MIPS_EXTSYM   0x70000012
425
426
/* ??? */
427
0
#define SHT_MIPS_DENSE    0x70000013
428
429
/* ??? */
430
1
#define SHT_MIPS_PDESC    0x70000014
431
432
/* ??? */
433
0
#define SHT_MIPS_LOCSYM   0x70000015
434
435
/* ??? */
436
0
#define SHT_MIPS_AUXSYM   0x70000016
437
438
/* ??? */
439
1
#define SHT_MIPS_OPTSYM   0x70000017
440
441
/* ??? */
442
0
#define SHT_MIPS_LOCSTR   0x70000018
443
444
/* ??? */
445
0
#define SHT_MIPS_LINE   0x70000019
446
447
/* ??? */
448
0
#define SHT_MIPS_RFDESC   0x7000001a
449
450
/* Delta C++: symbol table */
451
1
#define SHT_MIPS_DELTASYM 0x7000001b
452
453
/* Delta C++: instance table */
454
15
#define SHT_MIPS_DELTAINST  0x7000001c
455
456
/* Delta C++: class table */
457
0
#define SHT_MIPS_DELTACLASS 0x7000001d
458
459
/* DWARF debugging section.  */
460
1.17k
#define SHT_MIPS_DWARF    0x7000001e
461
462
/* Delta C++: declarations */
463
0
#define SHT_MIPS_DELTADECL  0x7000001f
464
465
/* List of libraries the binary depends on.  Includes a time stamp, version
466
   number.  */
467
7
#define SHT_MIPS_SYMBOL_LIB 0x70000020
468
469
/* Events section.  */
470
0
#define SHT_MIPS_EVENTS   0x70000021
471
472
/* ??? */
473
0
#define SHT_MIPS_TRANSLATE  0x70000022
474
475
/* Special pixie sections */
476
0
#define SHT_MIPS_PIXIE    0x70000023
477
478
/* Address translation table (for debug info) */
479
0
#define SHT_MIPS_XLATE    0x70000024
480
481
/* SGI internal address translation table (for debug info) */
482
1
#define SHT_MIPS_XLATE_DEBUG  0x70000025
483
484
/* Intermediate code */
485
0
#define SHT_MIPS_WHIRL    0x70000026
486
487
/* C++ exception handling region info */
488
0
#define SHT_MIPS_EH_REGION  0x70000027
489
490
/* Obsolete address translation table (for debug info) */
491
0
#define SHT_MIPS_XLATE_OLD  0x70000028
492
493
/* Runtime procedure descriptor table exception information (ucode) ??? */
494
12
#define SHT_MIPS_PDR_EXCEPTION  0x70000029
495
496
/* ABI related flags section.  */
497
180k
#define SHT_MIPS_ABIFLAGS 0x7000002a
498
499
/* GNU style symbol hash table with xlat.  */
500
208
#define SHT_MIPS_XHASH    0x7000002b
501
502
/* A section of type SHT_MIPS_LIBLIST contains an array of the
503
   following structure.  The sh_link field is the section index of the
504
   string table.  The sh_info field is the number of entries in the
505
   section.  */
506
typedef struct
507
{
508
  /* String table index for name of shared object.  */
509
  unsigned long l_name;
510
  /* Time stamp.  */
511
  unsigned long l_time_stamp;
512
  /* Checksum of symbol names and common sizes.  */
513
  unsigned long l_checksum;
514
  /* String table index for version.  */
515
  unsigned long l_version;
516
  /* Flags.  */
517
  unsigned long l_flags;
518
} Elf32_Lib;
519
520
/* The external version of Elf32_Lib.  */
521
typedef struct
522
{
523
  unsigned char l_name[4];
524
  unsigned char l_time_stamp[4];
525
  unsigned char l_checksum[4];
526
  unsigned char l_version[4];
527
  unsigned char l_flags[4];
528
} Elf32_External_Lib;
529
530
/* The l_flags field of an Elf32_Lib structure may contain the
531
   following flags.  */
532
533
/* Require an exact match at runtime.  */
534
5.25k
#define LL_EXACT_MATCH    0x00000001
535
536
/* Ignore version incompatibilities at runtime.  */
537
5.25k
#define LL_IGNORE_INT_VER 0x00000002
538
539
/* Require matching minor version number.  */
540
5.25k
#define LL_REQUIRE_MINOR  0x00000004
541
542
/* ??? */
543
5.25k
#define LL_EXPORTS    0x00000008
544
545
/* Delay loading of this library until really needed.  */
546
5.25k
#define LL_DELAY_LOAD   0x00000010
547
548
/* ??? Delta C++ stuff ??? */
549
5.25k
#define LL_DELTA    0x00000020
550
551
552
/* A section of type SHT_MIPS_CONFLICT is an array of indices into the
553
   .dynsym section.  Each element has the following type.  */
554
typedef unsigned long Elf32_Conflict;
555
typedef unsigned char Elf32_External_Conflict[4];
556
557
typedef unsigned long Elf64_Conflict;
558
typedef unsigned char Elf64_External_Conflict[8];
559
560
/* A section of type SHT_MIPS_GPTAB contains information about how
561
   much GP space would be required for different -G arguments.  This
562
   information is only used so that the linker can provide informative
563
   suggestions as to the best -G value to use.  The sh_info field is
564
   the index of the section for which this information applies.  The
565
   contents of the section are an array of the following union.  The
566
   first element uses the gt_header field.  The remaining elements use
567
   the gt_entry field.  */
568
typedef union
569
{
570
  struct
571
    {
572
      /* -G value actually used for this object file.  */
573
      unsigned long gt_current_g_value;
574
      /* Unused.  */
575
      unsigned long gt_unused;
576
    } gt_header;
577
  struct
578
    {
579
      /* If this -G argument has been used...  */
580
      unsigned long gt_g_value;
581
      /* ...this many GP section bytes would be required.  */
582
      unsigned long gt_bytes;
583
    } gt_entry;
584
} Elf32_gptab;
585
586
/* The external version of Elf32_gptab.  */
587
588
typedef union
589
{
590
  struct
591
    {
592
      unsigned char gt_current_g_value[4];
593
      unsigned char gt_unused[4];
594
    } gt_header;
595
  struct
596
    {
597
      unsigned char gt_g_value[4];
598
      unsigned char gt_bytes[4];
599
    } gt_entry;
600
} Elf32_External_gptab;
601
602
/* A section of type SHT_MIPS_REGINFO contains the following
603
   structure.  */
604
typedef struct
605
{
606
  /* Mask of general purpose registers used.  */
607
  uint32_t ri_gprmask;
608
  /* Mask of co-processor registers used.  */
609
  uint32_t ri_cprmask[4];
610
  /* GP register value for this object file.  */
611
  uint32_t ri_gp_value;
612
} Elf32_RegInfo;
613
614
/* The external version of the Elf_RegInfo structure.  */
615
typedef struct
616
{
617
  unsigned char ri_gprmask[4];
618
  unsigned char ri_cprmask[4][4];
619
  unsigned char ri_gp_value[4];
620
} Elf32_External_RegInfo;
621
622
/* MIPS ELF .reginfo swapping routines.  */
623
extern void bfd_mips_elf32_swap_reginfo_in
624
  (bfd *, const Elf32_External_RegInfo *, Elf32_RegInfo *);
625
extern void bfd_mips_elf32_swap_reginfo_out
626
  (bfd *, const Elf32_RegInfo *, Elf32_External_RegInfo *);
627

628
/* Processor specific section flags.  */
629
630
/* This section must be in the global data area.  */
631
180k
#define SHF_MIPS_GPREL    0x10000000
632
633
/* This section should be merged.  */
634
#define SHF_MIPS_MERGE    0x20000000
635
636
/* This section contains address data of size implied by section
637
   element size.  */
638
#define SHF_MIPS_ADDR   0x40000000
639
640
/* This section contains string data.  */
641
#define SHF_MIPS_STRING   0x80000000
642
643
/* This section may not be stripped.  */
644
0
#define SHF_MIPS_NOSTRIP  0x08000000
645
646
/* This section is local to threads.  */
647
#define SHF_MIPS_LOCAL    0x04000000
648
649
/* Linker should generate implicit weak names for this section.  */
650
#define SHF_MIPS_NAMES    0x02000000
651
652
/* Section contais text/data which may be replicated in other sections.
653
   Linker should retain only one copy.  */
654
#define SHF_MIPS_NODUPES  0x01000000
655

656
/* Processor specific program header types.  */
657
658
/* Register usage information.  Identifies one .reginfo section.  */
659
36
#define PT_MIPS_REGINFO   0x70000000
660
661
/* Runtime procedure table.  */
662
150
#define PT_MIPS_RTPROC    0x70000001
663
664
/* .MIPS.options section.  */
665
62
#define PT_MIPS_OPTIONS   0x70000002
666
667
/* Records ABI related flags.  */
668
24
#define PT_MIPS_ABIFLAGS  0x70000003
669

670
/* Processor specific dynamic array tags.  */
671
672
/* 32 bit version number for runtime linker interface.  */
673
642
#define DT_MIPS_RLD_VERSION 0x70000001
674
675
/* Time stamp.  */
676
540
#define DT_MIPS_TIME_STAMP  0x70000002
677
678
/* Checksum of external strings and common sizes.  */
679
14
#define DT_MIPS_ICHECKSUM 0x70000003
680
681
/* Index of version string in string table.  */
682
62
#define DT_MIPS_IVERSION  0x70000004
683
684
/* 32 bits of flags.  */
685
262
#define DT_MIPS_FLAGS   0x70000005
686
687
/* Base address of the segment.  */
688
2
#define DT_MIPS_BASE_ADDRESS  0x70000006
689
690
/* ??? */
691
1
#define DT_MIPS_MSYM    0x70000007
692
693
/* Address of .conflict section.  */
694
155
#define DT_MIPS_CONFLICT  0x70000008
695
696
/* Address of .liblist section.  */
697
400
#define DT_MIPS_LIBLIST   0x70000009
698
699
/* Number of local global offset table entries.  */
700
1.29k
#define DT_MIPS_LOCAL_GOTNO 0x7000000a
701
702
/* Number of entries in the .conflict section.  */
703
1.52k
#define DT_MIPS_CONFLICTNO  0x7000000b
704
705
/* Number of entries in the .liblist section.  */
706
1.18k
#define DT_MIPS_LIBLISTNO 0x70000010
707
708
/* Number of entries in the .dynsym section.  */
709
1.20k
#define DT_MIPS_SYMTABNO  0x70000011
710
711
/* Index of first external dynamic symbol not referenced locally.  */
712
1.09k
#define DT_MIPS_UNREFEXTNO  0x70000012
713
714
/* Index of first dynamic symbol in global offset table.  */
715
154
#define DT_MIPS_GOTSYM    0x70000013
716
717
/* Number of page table entries in global offset table.  */
718
1.13k
#define DT_MIPS_HIPAGENO  0x70000014
719
720
/* Address of run time loader map, used for debugging.  */
721
2
#define DT_MIPS_RLD_MAP   0x70000016
722
723
/* Delta C++ class definition.  */
724
0
#define DT_MIPS_DELTA_CLASS 0x70000017
725
726
/* Number of entries in DT_MIPS_DELTA_CLASS.  */
727
1.12k
#define DT_MIPS_DELTA_CLASS_NO  0x70000018
728
729
/* Delta C++ class instances.  */
730
1
#define DT_MIPS_DELTA_INSTANCE  0x70000019
731
732
/* Number of entries in DT_MIPS_DELTA_INSTANCE.  */
733
1.11k
#define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a
734
735
/* Delta relocations.  */
736
2
#define DT_MIPS_DELTA_RELOC 0x7000001b
737
738
/* Number of entries in DT_MIPS_DELTA_RELOC.  */
739
1.15k
#define DT_MIPS_DELTA_RELOC_NO  0x7000001c
740
741
/* Delta symbols that Delta relocations refer to.  */
742
0
#define DT_MIPS_DELTA_SYM 0x7000001d
743
744
/* Number of entries in DT_MIPS_DELTA_SYM.  */
745
1.21k
#define DT_MIPS_DELTA_SYM_NO  0x7000001e
746
747
/* Delta symbols that hold class declarations.  */
748
3
#define DT_MIPS_DELTA_CLASSSYM  0x70000020
749
750
/* Number of entries in DT_MIPS_DELTA_CLASSSYM.  */
751
1.18k
#define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021
752
753
/* Flags indicating information about C++ flavor.  */
754
0
#define DT_MIPS_CXX_FLAGS 0x70000022
755
756
/* Pixie information (???).  */
757
0
#define DT_MIPS_PIXIE_INIT  0x70000023
758
759
/* Address of .MIPS.symlib */
760
0
#define DT_MIPS_SYMBOL_LIB  0x70000024
761
762
/* The GOT index of the first PTE for a segment */
763
0
#define DT_MIPS_LOCALPAGE_GOTIDX  0x70000025
764
765
/* The GOT index of the first PTE for a local symbol */
766
0
#define DT_MIPS_LOCAL_GOTIDX  0x70000026
767
768
/* The GOT index of the first PTE for a hidden symbol */
769
0
#define DT_MIPS_HIDDEN_GOTIDX 0x70000027
770
771
/* The GOT index of the first PTE for a protected symbol */
772
0
#define DT_MIPS_PROTECTED_GOTIDX  0x70000028
773
774
/* Address of `.MIPS.options'.  */
775
491
#define DT_MIPS_OPTIONS   0x70000029
776
777
/* Address of `.interface'.  */
778
0
#define DT_MIPS_INTERFACE 0x7000002a
779
780
/* ??? */
781
0
#define DT_MIPS_DYNSTR_ALIGN  0x7000002b
782
783
/* Size of the .interface section.  */
784
0
#define DT_MIPS_INTERFACE_SIZE  0x7000002c
785
786
/* Size of rld_text_resolve function stored in the GOT.  */
787
1
#define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d
788
789
/* Default suffix of DSO to be added by rld on dlopen() calls.  */
790
0
#define DT_MIPS_PERF_SUFFIX 0x7000002e
791
792
/* Size of compact relocation section (O32).  */
793
1.27k
#define DT_MIPS_COMPACT_SIZE  0x7000002f
794
795
/* GP value for auxiliary GOTs.  */
796
1
#define DT_MIPS_GP_VALUE  0x70000030
797
798
/* Address of auxiliary .dynamic.  */
799
5
#define DT_MIPS_AUX_DYNAMIC 0x70000031
800
801
/* Address of the base of the PLTGOT.  */
802
158
#define DT_MIPS_PLTGOT         0x70000032
803
804
/* Points to the base of a writable PLT.  */
805
1
#define DT_MIPS_RWPLT          0x70000034
806
807
/* Relative offset of run time loader map, used for debugging.  */
808
1
#define DT_MIPS_RLD_MAP_REL    0x70000035
809
810
/* Address of .MIPS.xhash section.  */
811
138k
#define DT_MIPS_XHASH        0x70000036
812

813
/* Flags which may appear in a DT_MIPS_FLAGS entry.  */
814
815
/* No flags.  */
816
#define RHF_NONE    0x00000000
817
818
/* Uses shortcut pointers.  */
819
#define RHF_QUICKSTART    0x00000001
820
821
/* Hash size is not a power of two.  */
822
0
#define RHF_NOTPOT    0x00000002
823
824
/* Ignore LD_LIBRARY_PATH.  */
825
#define RHS_NO_LIBRARY_REPLACEMENT 0x00000004
826
827
/* DSO address may not be relocated. */
828
#define RHF_NO_MOVE   0x00000008
829
830
/* SGI specific features. */
831
#define RHF_SGI_ONLY    0x00000010
832
833
/* Guarantee that .init will finish executing before any non-init
834
   code in DSO is called. */
835
#define RHF_GUARANTEE_INIT     0x00000020
836
837
/* Contains Delta C++ code. */
838
#define RHF_DELTA_C_PLUS_PLUS    0x00000040
839
840
/* Guarantee that .init will start executing before any non-init
841
   code in DSO is called. */
842
#define RHF_GUARANTEE_START_INIT   0x00000080
843
844
/* Generated by pixie. */
845
#define RHF_PIXIE      0x00000100
846
847
/* Delay-load DSO by default. */
848
#define RHF_DEFAULT_DELAY_LOAD     0x00000200
849
850
/* Object may be requickstarted */
851
#define RHF_REQUICKSTART     0x00000400
852
853
/* Object has been requickstarted */
854
#define RHF_REQUICKSTARTED     0x00000800
855
856
/* Generated by cord. */
857
#define RHF_CORD       0x00001000
858
859
/* Object contains no unresolved undef symbols. */
860
#define RHF_NO_UNRES_UNDEF     0x00002000
861
862
/* Symbol table is in a safe order. */
863
#define RHF_RLD_ORDER_SAFE     0x00004000
864

865
/* Special values for the st_other field in the symbol table.  These
866
   are used in an Irix 5 dynamic symbol table.  */
867
868
#define STO_DEFAULT   STV_DEFAULT
869
#define STO_INTERNAL    STV_INTERNAL
870
#define STO_HIDDEN    STV_HIDDEN
871
0
#define STO_PROTECTED   STV_PROTECTED
872
873
/* Two topmost bits denote the MIPS ISA for .text symbols:
874
   + 00 -- standard MIPS code,
875
   + 10 -- microMIPS code,
876
   + 11 -- MIPS16 code; requires the following two bits to be set too.
877
   Note that one of the MIPS16 bits overlaps with STO_MIPS_PIC.  See below
878
   for details.  */
879
256k
#define STO_MIPS_ISA    (3 << 6)
880
881
/* The mask spanning the rest of MIPS psABI flags.  At most one is expected
882
   to be set except for STO_MIPS16.  */
883
0
#define STO_MIPS_FLAGS    (~(STO_MIPS_ISA | ELF_ST_VISIBILITY (-1)))
884
885
/* The MIPS psABI was updated in 2008 with support for PLTs and copy
886
   relocs.  There are therefore two types of nonzero SHN_UNDEF functions:
887
   PLT entries and traditional MIPS lazy binding stubs.  We mark the former
888
   with STO_MIPS_PLT to distinguish them from the latter.  */
889
3.49k
#define STO_MIPS_PLT    0x8
890
#define ELF_ST_IS_MIPS_PLT(other)         \
891
  ((ELF_ST_IS_MIPS16 (other)            \
892
    ? ((other) & (~STO_MIPS16 & STO_MIPS_FLAGS))      \
893
    : ((other) & STO_MIPS_FLAGS)) == STO_MIPS_PLT)
894
#define ELF_ST_SET_MIPS_PLT(other)          \
895
0
  ((ELF_ST_IS_MIPS16 (other)            \
896
0
    ? ((other) & (STO_MIPS16 | ~STO_MIPS_FLAGS))      \
897
0
    : ((other) & ~STO_MIPS_FLAGS)) | STO_MIPS_PLT)
898
899
/* This value is used to mark PIC functions in an object that mixes
900
   PIC and non-PIC.  Note that this bit overlaps with STO_MIPS16,
901
   although MIPS16 symbols are never considered to be MIPS_PIC.  */
902
2.88k
#define STO_MIPS_PIC    0x20
903
0
#define ELF_ST_IS_MIPS_PIC(other) (((other) & STO_MIPS_FLAGS) == STO_MIPS_PIC)
904
#define ELF_ST_SET_MIPS_PIC(other)          \
905
0
  ((ELF_ST_IS_MIPS16 (other)            \
906
0
    ? ((other) & ~(STO_MIPS16 | STO_MIPS_FLAGS))      \
907
0
    : ((other) & ~STO_MIPS_FLAGS)) | STO_MIPS_PIC)
908
909
/* This value is used for a mips16 .text symbol.  */
910
514k
#define STO_MIPS16    0xf0
911
256k
#define ELF_ST_IS_MIPS16(other) (((other) & STO_MIPS16) == STO_MIPS16)
912
53
#define ELF_ST_SET_MIPS16(other) ((other) | STO_MIPS16)
913
914
/* This value is used for a microMIPS .text symbol.  To distinguish from
915
   STO_MIPS16, we set top two bits to be 10 to denote STO_MICROMIPS.  The
916
   mask is STO_MIPS_ISA.  */
917
257k
#define STO_MICROMIPS   (2 << 6)
918
256k
#define ELF_ST_IS_MICROMIPS(other) (((other) & STO_MIPS_ISA) == STO_MICROMIPS)
919
82
#define ELF_ST_SET_MICROMIPS(other) (((other) & ~STO_MIPS_ISA) | STO_MICROMIPS)
920
921
/* Whether code compression (either of the MIPS16 or the microMIPS ASEs)
922
   has been indicated for a .text symbol.  */
923
#define ELF_ST_IS_COMPRESSED(other) \
924
0
  (ELF_ST_IS_MIPS16 (other) || ELF_ST_IS_MICROMIPS (other))
925
926
/* This bit is used on Irix to indicate a symbol whose definition
927
   is optional - if, at final link time, it cannot be found, no
928
   error message should be produced.  */
929
2.35k
#define STO_OPTIONAL    (1 << 2)
930
/* A macro to examine the STO_OPTIONAL bit.  */
931
0
#define ELF_MIPS_IS_OPTIONAL(other) ((other) & STO_OPTIONAL)
932

933
/* The 64-bit MIPS ELF ABI uses an unusual reloc format.  Each
934
   relocation entry specifies up to three actual relocations, all at
935
   the same address.  The first relocation which required a symbol
936
   uses the symbol in the r_sym field.  The second relocation which
937
   requires a symbol uses the symbol in the r_ssym field.  If all
938
   three relocations require a symbol, the third one uses a zero
939
   value.  */
940
941
/* An entry in a 64 bit SHT_REL section.  */
942
943
typedef struct
944
{
945
  /* Address of relocation.  */
946
  unsigned char r_offset[8];
947
  /* Symbol index.  */
948
  unsigned char r_sym[4];
949
  /* Special symbol.  */
950
  unsigned char r_ssym[1];
951
  /* Third relocation.  */
952
  unsigned char r_type3[1];
953
  /* Second relocation.  */
954
  unsigned char r_type2[1];
955
  /* First relocation.  */
956
  unsigned char r_type[1];
957
} Elf64_Mips_External_Rel;
958
959
typedef struct
960
{
961
  /* Address of relocation.  */
962
  bfd_vma r_offset;
963
  /* Symbol index.  */
964
  unsigned long r_sym;
965
  /* Special symbol.  */
966
  unsigned char r_ssym;
967
  /* Third relocation.  */
968
  unsigned char r_type3;
969
  /* Second relocation.  */
970
  unsigned char r_type2;
971
  /* First relocation.  */
972
  unsigned char r_type;
973
} Elf64_Mips_Internal_Rel;
974
975
/* An entry in a 64 bit SHT_RELA section.  */
976
977
typedef struct
978
{
979
  /* Address of relocation.  */
980
  unsigned char r_offset[8];
981
  /* Symbol index.  */
982
  unsigned char r_sym[4];
983
  /* Special symbol.  */
984
  unsigned char r_ssym[1];
985
  /* Third relocation.  */
986
  unsigned char r_type3[1];
987
  /* Second relocation.  */
988
  unsigned char r_type2[1];
989
  /* First relocation.  */
990
  unsigned char r_type[1];
991
  /* Addend.  */
992
  unsigned char r_addend[8];
993
} Elf64_Mips_External_Rela;
994
995
typedef struct
996
{
997
  /* Address of relocation.  */
998
  bfd_vma r_offset;
999
  /* Symbol index.  */
1000
  unsigned long r_sym;
1001
  /* Special symbol.  */
1002
  unsigned char r_ssym;
1003
  /* Third relocation.  */
1004
  unsigned char r_type3;
1005
  /* Second relocation.  */
1006
  unsigned char r_type2;
1007
  /* First relocation.  */
1008
  unsigned char r_type;
1009
  /* Addend.  */
1010
  bfd_signed_vma r_addend;
1011
} Elf64_Mips_Internal_Rela;
1012
1013
/* MIPS ELF 64 relocation info access macros.  */
1014
0
#define ELF64_MIPS_R_SSYM(i) (((i) >> 24) & 0xff)
1015
1.62k
#define ELF64_MIPS_R_TYPE3(i) (((i) >> 16) & 0xff)
1016
1.62k
#define ELF64_MIPS_R_TYPE2(i) (((i) >> 8) & 0xff)
1017
1.63k
#define ELF64_MIPS_R_TYPE(i) ((i) & 0xff)
1018
1019
/* Values found in the r_ssym field of a relocation entry.  */
1020
1021
/* No relocation.  */
1022
101
#define RSS_UNDEF 0
1023
1024
/* Value of GP.  */
1025
11
#define RSS_GP    1
1026
1027
/* Value of GP in object being relocated.  */
1028
15
#define RSS_GP0   2
1029
1030
/* Address of location being relocated.  */
1031
25
#define RSS_LOC   3
1032

1033
/* A SHT_MIPS_OPTIONS section contains a series of options, each of
1034
   which starts with this header.  */
1035
1036
typedef struct
1037
{
1038
  /* Type of option.  */
1039
  unsigned char kind[1];
1040
  /* Size of option descriptor, including header.  */
1041
  unsigned char size[1];
1042
  /* Section index of affected section, or 0 for global option.  */
1043
  unsigned char section[2];
1044
  /* Information specific to this kind of option.  */
1045
  unsigned char info[4];
1046
} Elf_External_Options;
1047
1048
typedef struct
1049
{
1050
  /* Type of option.  */
1051
  unsigned char kind;
1052
  /* Size of option descriptor, including header.  */
1053
  unsigned char size;
1054
  /* Section index of affected section, or 0 for global option.  */
1055
  uint16_t section;
1056
  /* Information specific to this kind of option.  */
1057
  uint32_t info;
1058
} Elf_Internal_Options;
1059
1060
/* MIPS ELF option header swapping routines.  */
1061
extern void bfd_mips_elf_swap_options_in
1062
  (bfd *, const Elf_External_Options *, Elf_Internal_Options *);
1063
extern void bfd_mips_elf_swap_options_out
1064
  (bfd *, const Elf_Internal_Options *, Elf_External_Options *);
1065
1066
/* Values which may appear in the kind field of an Elf_Options
1067
   structure.  */
1068
1069
/* Undefined.  */
1070
35
#define ODK_NULL  0
1071
1072
/* Register usage and GP value.  */
1073
77
#define ODK_REGINFO 1
1074
1075
/* Exception processing information.  */
1076
94
#define ODK_EXCEPTIONS  2
1077
1078
/* Section padding information.  */
1079
49
#define ODK_PAD   3
1080
1081
/* Hardware workarounds performed.  */
1082
42
#define ODK_HWPATCH 4
1083
1084
/* Fill value used by the linker.  */
1085
6
#define ODK_FILL  5
1086
1087
/* Reserved space for desktop tools.  */
1088
18
#define ODK_TAGS  6
1089
1090
/* Hardware workarounds, AND bits when merging.  */
1091
40
#define ODK_HWAND 7
1092
1093
/* Hardware workarounds, OR bits when merging.  */
1094
124
#define ODK_HWOR  8
1095
1096
/* GP group to use for text/data sections.  */
1097
12
#define ODK_GP_GROUP  9
1098
1099
/* ID information.  */
1100
113
#define ODK_IDENT 10
1101
1102
/* In the 32 bit ABI, an ODK_REGINFO option is just a Elf32_RegInfo
1103
   structure.  In the 64 bit ABI, it is the following structure.  The
1104
   info field of the options header is not used.  */
1105
1106
typedef struct
1107
{
1108
  /* Mask of general purpose registers used.  */
1109
  unsigned char ri_gprmask[4];
1110
  /* Padding.  */
1111
  unsigned char ri_pad[4];
1112
  /* Mask of co-processor registers used.  */
1113
  unsigned char ri_cprmask[4][4];
1114
  /* GP register value for this object file.  */
1115
  unsigned char ri_gp_value[8];
1116
} Elf64_External_RegInfo;
1117
1118
typedef struct
1119
{
1120
  /* Mask of general purpose registers used.  */
1121
  uint32_t ri_gprmask;
1122
  /* Padding.  */
1123
  uint32_t ri_pad;
1124
  /* Mask of co-processor registers used.  */
1125
  uint32_t ri_cprmask[4];
1126
  /* GP register value for this object file.  */
1127
  uint64_t ri_gp_value;
1128
} Elf64_Internal_RegInfo;
1129
1130
/* ABI Flags structure version 0.  */
1131
1132
typedef struct
1133
{
1134
  /* Version of flags structure.  */
1135
  unsigned char version[2];
1136
  /* The level of the ISA: 1-5, 32, 64.  */
1137
  unsigned char isa_level[1];
1138
  /* The revision of ISA: 0 for MIPS V and below, 1-n otherwise.  */
1139
  unsigned char isa_rev[1];
1140
  /* The size of general purpose registers.  */
1141
  unsigned char gpr_size[1];
1142
  /* The size of co-processor 1 registers.  */
1143
  unsigned char cpr1_size[1];
1144
  /* The size of co-processor 2 registers.  */
1145
  unsigned char cpr2_size[1];
1146
  /* The floating-point ABI.  */
1147
  unsigned char fp_abi[1];
1148
  /* Processor-specific extension.  */
1149
  unsigned char isa_ext[4];
1150
  /* Mask of ASEs used.  */
1151
  unsigned char ases[4];
1152
  /* Mask of general flags.  */
1153
  unsigned char flags1[4];
1154
  unsigned char flags2[4];
1155
} Elf_External_ABIFlags_v0;
1156
1157
typedef struct elf_internal_abiflags_v0
1158
{
1159
  /* Version of flags structure.  */
1160
  unsigned short version;
1161
  /* The level of the ISA: 1-5, 32, 64.  */
1162
  unsigned char isa_level;
1163
  /* The revision of ISA: 0 for MIPS V and below, 1-n otherwise.  */
1164
  unsigned char isa_rev;
1165
  /* The size of general purpose registers.  */
1166
  unsigned char gpr_size;
1167
  /* The size of co-processor 1 registers.  */
1168
  unsigned char cpr1_size;
1169
  /* The size of co-processor 2 registers.  */
1170
  unsigned char cpr2_size;
1171
  /* The floating-point ABI.  */
1172
  unsigned char fp_abi;
1173
  /* Processor-specific extension.  */
1174
  unsigned long isa_ext;
1175
  /* Mask of ASEs used.  */
1176
  unsigned long ases;
1177
  /* Mask of general flags.  */
1178
  unsigned long flags1;
1179
  unsigned long flags2;
1180
} Elf_Internal_ABIFlags_v0;
1181
1182
typedef struct
1183
{
1184
  /* The hash value computed from the name of the corresponding
1185
     dynamic symbol.  */
1186
  unsigned char ms_hash_value[4];
1187
  /* Contains both the dynamic relocation index and the symbol flags
1188
     field.  The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used
1189
     to access the individual values.  The dynamic relocation index
1190
     identifies the first entry in the .rel.dyn section that
1191
     references the dynamic symbol corresponding to this msym entry.
1192
     If the index is 0, no dynamic relocations are associated with the
1193
     symbol.  The symbol flags field is reserved for future use.  */
1194
  unsigned char ms_info[4];
1195
} Elf32_External_Msym;
1196
1197
typedef struct
1198
{
1199
  /* The hash value computed from the name of the corresponding
1200
     dynamic symbol.  */
1201
  unsigned long ms_hash_value;
1202
  /* Contains both the dynamic relocation index and the symbol flags
1203
     field.  The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used
1204
     to access the individual values.  The dynamic relocation index
1205
     identifies the first entry in the .rel.dyn section that
1206
     references the dynamic symbol corresponding to this msym entry.
1207
     If the index is 0, no dynamic relocations are associated with the
1208
     symbol.  The symbol flags field is reserved for future use.  */
1209
  unsigned long ms_info;
1210
} Elf32_Internal_Msym;
1211
1212
#define ELF32_MS_REL_INDEX(i) ((i) >> 8)
1213
#define ELF32_MS_FLAGS(i)     (i) & 0xff)
1214
#define ELF32_MS_INFO(r, f)   (((r) << 8) + ((f) & 0xff))
1215
1216
/* MIPS ELF reginfo swapping routines.  */
1217
extern void bfd_mips_elf64_swap_reginfo_in
1218
  (bfd *, const Elf64_External_RegInfo *, Elf64_Internal_RegInfo *);
1219
extern void bfd_mips_elf64_swap_reginfo_out
1220
  (bfd *, const Elf64_Internal_RegInfo *, Elf64_External_RegInfo *);
1221
1222
/* MIPS ELF flags swapping routines.  */
1223
extern void bfd_mips_elf_swap_abiflags_v0_in
1224
  (bfd *, const Elf_External_ABIFlags_v0 *, Elf_Internal_ABIFlags_v0 *);
1225
extern void bfd_mips_elf_swap_abiflags_v0_out
1226
  (bfd *, const Elf_Internal_ABIFlags_v0 *, Elf_External_ABIFlags_v0 *);
1227
1228
/* Masks for the info work of an ODK_EXCEPTIONS descriptor.  */
1229
94
#define OEX_FPU_MIN 0x1f  /* FPEs which must be enabled.  */
1230
94
#define OEX_FPU_MAX 0x1f00  /* FPEs which may be enabled.  */
1231
94
#define OEX_PAGE0 0x10000  /* Page zero must be mapped.  */
1232
94
#define OEX_SMM   0x20000  /* Force sequential memory mode.  */
1233
94
#define OEX_FPDBUG  0x40000  /* Force precise floating-point
1234
           exceptions (debug mode).  */
1235
94
#define OEX_DISMISS 0x80000  /* Dismiss invalid address faults.  */
1236
1237
/* Masks of the FP exceptions for OEX_FPU_MIN and OEX_FPU_MAX.  */
1238
125
#define OEX_FPU_INVAL 0x10  /* Invalid operation exception.  */
1239
125
#define OEX_FPU_DIV0  0x08  /* Division by zero exception.  */
1240
125
#define OEX_FPU_OFLO  0x04  /* Overflow exception.  */
1241
125
#define OEX_FPU_UFLO  0x02  /* Underflow exception.  */
1242
125
#define OEX_FPU_INEX  0x01  /* Inexact exception.  */
1243
1244
/* Masks for the info word of an ODK_PAD descriptor.  */
1245
49
#define OPAD_PREFIX 0x01
1246
49
#define OPAD_POSTFIX  0x02
1247
49
#define OPAD_SYMBOL 0x04
1248
1249
/* Masks for the info word of an ODK_HWPATCH descriptor.  */
1250
42
#define OHW_R4KEOP  0x00000001  /* R4000 end-of-page patch.  */
1251
42
#define OHW_R8KPFETCH 0x00000002  /* May need R8000 prefetch patch.  */
1252
42
#define OHW_R5KEOP  0x00000004  /* R5000 end-of-page patch.  */
1253
42
#define OHW_R5KCVTL 0x00000008  /* R5000 cvt.[ds].l bug
1254
             (clean == 1).  */
1255
#define OHW_R10KLDL 0x00000010  /* Needs R10K misaligned
1256
             load patch. */
1257
1258
/* Masks for the info word of an ODK_IDENT/ODK_GP_GROUP descriptor.  */
1259
125
#define OGP_GROUP 0x0000ffff  /* GP group number.  */
1260
125
#define OGP_SELF  0xffff0000  /* Self-contained GP groups.  */
1261
1262
/* Masks for the info word of an ODK_HWAND/ODK_HWOR descriptor.  */
1263
164
#define OHWA0_R4KEOP_CHECKED  0x00000001
1264
164
#define OHWA0_R4KEOP_CLEAN  0x00000002
1265
1266
/* Values for the xxx_size bytes of an ABI flags structure.  */
1267
1268
81
#define AFL_REG_NONE       0x00  /* No registers.  */
1269
53
#define AFL_REG_32       0x01  /* 32-bit registers.  */
1270
48
#define AFL_REG_64       0x02  /* 64-bit registers.  */
1271
46
#define AFL_REG_128      0x03  /* 128-bit registers.  */
1272
1273
/* Masks for the ases word of an ABI flags structure.  */
1274
1275
27
#define AFL_ASE_DSP          0x00000001 /* DSP ASE.  */
1276
27
#define AFL_ASE_DSPR2        0x00000002 /* DSP R2 ASE.  */
1277
27
#define AFL_ASE_EVA          0x00000004 /* Enhanced VA Scheme.  */
1278
27
#define AFL_ASE_MCU          0x00000008 /* MCU (MicroController) ASE.  */
1279
27
#define AFL_ASE_MDMX         0x00000010 /* MDMX ASE.  */
1280
27
#define AFL_ASE_MIPS3D       0x00000020 /* MIPS-3D ASE.  */
1281
27
#define AFL_ASE_MT           0x00000040 /* MT ASE.  */
1282
27
#define AFL_ASE_SMARTMIPS    0x00000080 /* SmartMIPS ASE.  */
1283
27
#define AFL_ASE_VIRT         0x00000100 /* VZ ASE.  */
1284
27
#define AFL_ASE_MSA          0x00000200 /* MSA ASE.  */
1285
27
#define AFL_ASE_MIPS16       0x00000400 /* MIPS16 ASE.  */
1286
27
#define AFL_ASE_MICROMIPS    0x00000800 /* MICROMIPS ASE.  */
1287
27
#define AFL_ASE_XPA          0x00001000 /* XPA ASE.  */
1288
27
#define AFL_ASE_DSPR3        0x00002000 /* DSP R3 ASE.  */
1289
27
#define AFL_ASE_MIPS16E2     0x00004000 /* MIPS16e2 ASE.  */
1290
27
#define AFL_ASE_CRC          0x00008000 /* CRC ASE.  */
1291
#define AFL_ASE_RESERVED1    0x00010000 /* Reserved by MIPS Tech for WIP.  */
1292
27
#define AFL_ASE_GINV         0x00020000 /* GINV ASE.  */
1293
27
#define AFL_ASE_LOONGSON_MMI 0x00040000 /* Loongson MMI ASE.  */
1294
27
#define AFL_ASE_LOONGSON_CAM 0x00080000 /* Loongson CAM ASE.  */
1295
27
#define AFL_ASE_LOONGSON_EXT 0x00100000 /* Loongson EXT instructions.  */
1296
27
#define AFL_ASE_LOONGSON_EXT2 0x00200000 /* Loongson EXT2 instructions.  */
1297
51
#define AFL_ASE_MASK         0x003effff /* All ASEs.  */
1298
1299
/* Values for the isa_ext word of an ABI flags structure.  */
1300
1301
1
#define AFL_EXT_XLR           1  /* RMI Xlr instruction.  */
1302
1
#define AFL_EXT_OCTEON2       2  /* Cavium Networks Octeon2.  */
1303
1
#define AFL_EXT_OCTEONP       3  /* Cavium Networks OcteonP.  */
1304
0
#define AFL_EXT_OCTEON        5  /* Cavium Networks Octeon.  */
1305
1
#define AFL_EXT_5900          6  /* MIPS R5900 instruction.  */
1306
0
#define AFL_EXT_4650          7  /* MIPS R4650 instruction.  */
1307
1
#define AFL_EXT_4010          8  /* LSI R4010 instruction.  */
1308
1
#define AFL_EXT_4100          9  /* NEC VR4100 instruction.  */
1309
1
#define AFL_EXT_3900         10  /* Toshiba R3900 instruction.  */
1310
1
#define AFL_EXT_10000        11  /* MIPS R10000 instruction.  */
1311
0
#define AFL_EXT_SB1          12  /* Broadcom SB-1 instruction.  */
1312
1
#define AFL_EXT_4111         13  /* NEC VR4111/VR4181 instruction.  */
1313
1
#define AFL_EXT_4120         14  /* NEC VR4120 instruction.  */
1314
1
#define AFL_EXT_5400         15  /* NEC VR5400 instruction.  */
1315
1
#define AFL_EXT_5500         16  /* NEC VR5500 instruction.  */
1316
1
#define AFL_EXT_LOONGSON_2E  17  /* ST Microelectronics Loongson 2E.  */
1317
1
#define AFL_EXT_LOONGSON_2F  18  /* ST Microelectronics Loongson 2F.  */
1318
1
#define AFL_EXT_OCTEON3      19  /* Cavium Networks Octeon3.  */
1319
1
#define AFL_EXT_INTERAPTIV_MR2 20  /* Imagination interAptiv MR2.  */
1320
1321
/* Masks for the flags1 word of an ABI flags structure.  */
1322
0
#define AFL_FLAGS1_ODDSPREG   1   /* Uses odd single-precision registers.  */
1323
1324
extern unsigned int bfd_mips_isa_ext (bfd *);
1325

1326
1327
/* Object attribute tags.  */
1328
enum
1329
{
1330
  /* 0-3 are generic.  */
1331
1332
  /* Floating-point ABI used by this object file.  */
1333
  Tag_GNU_MIPS_ABI_FP = 4,
1334
1335
  /* MSA ABI used by this object file.  */
1336
  Tag_GNU_MIPS_ABI_MSA = 8,
1337
};
1338
1339
/* Object attribute values.  */
1340
enum
1341
{
1342
  /* Values defined for Tag_GNU_MIPS_ABI_FP.  */
1343
1344
  /* Not tagged or not using any ABIs affected by the differences.  */
1345
  Val_GNU_MIPS_ABI_FP_ANY = 0,
1346
1347
  /* Using hard-float -mdouble-float.  */
1348
  Val_GNU_MIPS_ABI_FP_DOUBLE = 1,
1349
1350
  /* Using hard-float -msingle-float.  */
1351
  Val_GNU_MIPS_ABI_FP_SINGLE = 2,
1352
1353
  /* Using soft-float.  */
1354
  Val_GNU_MIPS_ABI_FP_SOFT = 3,
1355
1356
  /* Using -mips32r2 -mfp64.  */
1357
  Val_GNU_MIPS_ABI_FP_OLD_64 = 4,
1358
1359
  /* Using -mfpxx */
1360
  Val_GNU_MIPS_ABI_FP_XX = 5,
1361
1362
  /* Using -mips32r2 -mfp64.  */
1363
  Val_GNU_MIPS_ABI_FP_64 = 6,
1364
1365
  /* Using -mips32r2 -mfp64 -mno-odd-spreg.  */
1366
  Val_GNU_MIPS_ABI_FP_64A = 7,
1367
1368
  /* This is reserved for backward-compatibility with an earlier
1369
     implementation of the MIPS NaN2008 functionality.  */
1370
  Val_GNU_MIPS_ABI_FP_NAN2008 = 8,
1371
1372
  /* Values defined for Tag_GNU_MIPS_ABI_MSA.  */
1373
1374
  /* Not tagged or not using any ABIs affected by the differences.  */
1375
  Val_GNU_MIPS_ABI_MSA_ANY = 0,
1376
1377
  /* Using 128-bit MSA.  */
1378
  Val_GNU_MIPS_ABI_MSA_128 = 1,
1379
};
1380
1381
#ifdef __cplusplus
1382
}
1383
#endif
1384
1385
#endif /* _ELF_MIPS_H */