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1 17 khays
/* MIPS ELF support for BFD.
2
   Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
3
   2003, 2004, 2005, 2008, 2009, 2010
4
   Free Software Foundation, Inc.
5
 
6
   By Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>, from
7
   information in the System V Application Binary Interface, MIPS
8
   Processor Supplement.
9
 
10
   This file is part of BFD, the Binary File Descriptor library.
11
 
12
   This program is free software; you can redistribute it and/or modify
13
   it under the terms of the GNU General Public License as published by
14
   the Free Software Foundation; either version 3 of the License, or
15
   (at your option) any later version.
16
 
17
   This program is distributed in the hope that it will be useful,
18
   but WITHOUT ANY WARRANTY; without even the implied warranty of
19
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20
   GNU General Public License for more details.
21
 
22
   You should have received a copy of the GNU General Public License
23
   along with this program; if not, write to the Free Software
24
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
25
   MA 02110-1301, USA.  */
26
 
27
/* This file holds definitions specific to the MIPS ELF ABI.  Note
28
   that most of this is not actually implemented by BFD.  */
29
 
30
#ifndef _ELF_MIPS_H
31
#define _ELF_MIPS_H
32
 
33
#include "elf/reloc-macros.h"
34
 
35
/* Relocation types.  */
36
START_RELOC_NUMBERS (elf_mips_reloc_type)
37
  RELOC_NUMBER (R_MIPS_NONE, 0)
38
  RELOC_NUMBER (R_MIPS_16, 1)
39
  RELOC_NUMBER (R_MIPS_32, 2)           /* In Elf 64: alias R_MIPS_ADD */
40
  RELOC_NUMBER (R_MIPS_REL32, 3)        /* In Elf 64: alias R_MIPS_REL */
41
  RELOC_NUMBER (R_MIPS_26, 4)
42
  RELOC_NUMBER (R_MIPS_HI16, 5)
43
  RELOC_NUMBER (R_MIPS_LO16, 6)
44
  RELOC_NUMBER (R_MIPS_GPREL16, 7)      /* In Elf 64: alias R_MIPS_GPREL */
45
  RELOC_NUMBER (R_MIPS_LITERAL, 8)
46
  RELOC_NUMBER (R_MIPS_GOT16, 9)        /* In Elf 64: alias R_MIPS_GOT */
47
  RELOC_NUMBER (R_MIPS_PC16, 10)
48
  RELOC_NUMBER (R_MIPS_CALL16, 11)      /* In Elf 64: alias R_MIPS_CALL */
49
  RELOC_NUMBER (R_MIPS_GPREL32, 12)
50
  /* The remaining relocs are defined on Irix, although they are not
51
     in the MIPS ELF ABI.  */
52
  RELOC_NUMBER (R_MIPS_UNUSED1, 13)
53
  RELOC_NUMBER (R_MIPS_UNUSED2, 14)
54
  RELOC_NUMBER (R_MIPS_UNUSED3, 15)
55
  RELOC_NUMBER (R_MIPS_SHIFT5, 16)
56
  RELOC_NUMBER (R_MIPS_SHIFT6, 17)
57
  RELOC_NUMBER (R_MIPS_64, 18)
58
  RELOC_NUMBER (R_MIPS_GOT_DISP, 19)
59
  RELOC_NUMBER (R_MIPS_GOT_PAGE, 20)
60
  RELOC_NUMBER (R_MIPS_GOT_OFST, 21)
61
  RELOC_NUMBER (R_MIPS_GOT_HI16, 22)
62
  RELOC_NUMBER (R_MIPS_GOT_LO16, 23)
63
  RELOC_NUMBER (R_MIPS_SUB, 24)
64
  RELOC_NUMBER (R_MIPS_INSERT_A, 25)
65
  RELOC_NUMBER (R_MIPS_INSERT_B, 26)
66
  RELOC_NUMBER (R_MIPS_DELETE, 27)
67
  RELOC_NUMBER (R_MIPS_HIGHER, 28)
68
  RELOC_NUMBER (R_MIPS_HIGHEST, 29)
69
  RELOC_NUMBER (R_MIPS_CALL_HI16, 30)
70
  RELOC_NUMBER (R_MIPS_CALL_LO16, 31)
71
  RELOC_NUMBER (R_MIPS_SCN_DISP, 32)
72
  RELOC_NUMBER (R_MIPS_REL16, 33)
73
  RELOC_NUMBER (R_MIPS_ADD_IMMEDIATE, 34)
74
  RELOC_NUMBER (R_MIPS_PJUMP, 35)
75
  RELOC_NUMBER (R_MIPS_RELGOT, 36)
76
  RELOC_NUMBER (R_MIPS_JALR, 37)
77
  /* TLS relocations.  */
78
  RELOC_NUMBER (R_MIPS_TLS_DTPMOD32, 38)
79
  RELOC_NUMBER (R_MIPS_TLS_DTPREL32, 39)
80
  RELOC_NUMBER (R_MIPS_TLS_DTPMOD64, 40)
81
  RELOC_NUMBER (R_MIPS_TLS_DTPREL64, 41)
82
  RELOC_NUMBER (R_MIPS_TLS_GD, 42)
83
  RELOC_NUMBER (R_MIPS_TLS_LDM, 43)
84
  RELOC_NUMBER (R_MIPS_TLS_DTPREL_HI16, 44)
85
  RELOC_NUMBER (R_MIPS_TLS_DTPREL_LO16, 45)
86
  RELOC_NUMBER (R_MIPS_TLS_GOTTPREL, 46)
87
  RELOC_NUMBER (R_MIPS_TLS_TPREL32, 47)
88
  RELOC_NUMBER (R_MIPS_TLS_TPREL64, 48)
89
  RELOC_NUMBER (R_MIPS_TLS_TPREL_HI16, 49)
90
  RELOC_NUMBER (R_MIPS_TLS_TPREL_LO16, 50)
91
  RELOC_NUMBER (R_MIPS_GLOB_DAT, 51)
92
  FAKE_RELOC (R_MIPS_max, 52)
93
  /* These relocs are used for the mips16.  */
94
  FAKE_RELOC (R_MIPS16_min, 100)
95
  RELOC_NUMBER (R_MIPS16_26, 100)
96
  RELOC_NUMBER (R_MIPS16_GPREL, 101)
97
  RELOC_NUMBER (R_MIPS16_GOT16, 102)
98
  RELOC_NUMBER (R_MIPS16_CALL16, 103)
99
  RELOC_NUMBER (R_MIPS16_HI16, 104)
100
  RELOC_NUMBER (R_MIPS16_LO16, 105)
101
  FAKE_RELOC (R_MIPS16_max, 106)
102
  /* These relocations are specific to VxWorks.  */
103
  RELOC_NUMBER (R_MIPS_COPY, 126)
104
  RELOC_NUMBER (R_MIPS_JUMP_SLOT, 127)
105 161 khays
 
106
  /* These relocations are specific to microMIPS.  */
107
  FAKE_RELOC (R_MICROMIPS_min, 130)
108
  RELOC_NUMBER (R_MICROMIPS_26_S1, 133)
109
  RELOC_NUMBER (R_MICROMIPS_HI16, 134)
110
  RELOC_NUMBER (R_MICROMIPS_LO16, 135)
111
  RELOC_NUMBER (R_MICROMIPS_GPREL16, 136)       /* In Elf 64:
112
                                                   alias R_MICROMIPS_GPREL */
113
  RELOC_NUMBER (R_MICROMIPS_LITERAL, 137)
114
  RELOC_NUMBER (R_MICROMIPS_GOT16, 138)         /* In Elf 64:
115
                                                   alias R_MICROMIPS_GOT */
116
  RELOC_NUMBER (R_MICROMIPS_PC7_S1, 139)
117
  RELOC_NUMBER (R_MICROMIPS_PC10_S1, 140)
118
  RELOC_NUMBER (R_MICROMIPS_PC16_S1, 141)
119
  RELOC_NUMBER (R_MICROMIPS_CALL16, 142)        /* In Elf 64:
120
                                                   alias R_MICROMIPS_CALL */
121
  RELOC_NUMBER (R_MICROMIPS_GOT_DISP, 145)
122
  RELOC_NUMBER (R_MICROMIPS_GOT_PAGE, 146)
123
  RELOC_NUMBER (R_MICROMIPS_GOT_OFST, 147)
124
  RELOC_NUMBER (R_MICROMIPS_GOT_HI16, 148)
125
  RELOC_NUMBER (R_MICROMIPS_GOT_LO16, 149)
126
  RELOC_NUMBER (R_MICROMIPS_SUB, 150)
127
  RELOC_NUMBER (R_MICROMIPS_HIGHER, 151)
128
  RELOC_NUMBER (R_MICROMIPS_HIGHEST, 152)
129
  RELOC_NUMBER (R_MICROMIPS_CALL_HI16, 153)
130
  RELOC_NUMBER (R_MICROMIPS_CALL_LO16, 154)
131
  RELOC_NUMBER (R_MICROMIPS_SCN_DISP, 155)
132
  RELOC_NUMBER (R_MICROMIPS_JALR, 156)
133
  RELOC_NUMBER (R_MICROMIPS_HI0_LO16, 157)
134
  /* TLS relocations.  */
135
  RELOC_NUMBER (R_MICROMIPS_TLS_GD, 162)
136
  RELOC_NUMBER (R_MICROMIPS_TLS_LDM, 163)
137
  RELOC_NUMBER (R_MICROMIPS_TLS_DTPREL_HI16, 164)
138
  RELOC_NUMBER (R_MICROMIPS_TLS_DTPREL_LO16, 165)
139
  RELOC_NUMBER (R_MICROMIPS_TLS_GOTTPREL, 166)
140
  RELOC_NUMBER (R_MICROMIPS_TLS_TPREL_HI16, 169)
141
  RELOC_NUMBER (R_MICROMIPS_TLS_TPREL_LO16, 170)
142
  /* microMIPS GP- and PC-relative relocations. */
143
  RELOC_NUMBER (R_MICROMIPS_GPREL7_S2, 172)
144
  RELOC_NUMBER (R_MICROMIPS_PC23_S2, 173)
145
  FAKE_RELOC (R_MICROMIPS_max, 174)
146
 
147 17 khays
  /* This was a GNU extension used by embedded-PIC.  It was co-opted by
148
     mips-linux for exception-handling data.  It is no longer used, but
149
     should continue to be supported by the linker for backward
150
     compatibility.  (GCC stopped using it in May, 2004.)  */
151
  RELOC_NUMBER (R_MIPS_PC32, 248)
152
  /* FIXME: this relocation is used internally by gas.  */
153
  RELOC_NUMBER (R_MIPS_GNU_REL16_S2, 250)
154
  /* These are GNU extensions to enable C++ vtable garbage collection.  */
155
  RELOC_NUMBER (R_MIPS_GNU_VTINHERIT, 253)
156
  RELOC_NUMBER (R_MIPS_GNU_VTENTRY, 254)
157
END_RELOC_NUMBERS (R_MIPS_maxext)
158
 
159
/* Processor specific flags for the ELF header e_flags field.  */
160
 
161
/* At least one .noreorder directive appears in the source.  */
162
#define EF_MIPS_NOREORDER       0x00000001
163
 
164
/* File contains position independent code.  */
165
#define EF_MIPS_PIC             0x00000002
166
 
167
/* Code in file uses the standard calling sequence for calling
168
   position independent code.  */
169
#define EF_MIPS_CPIC            0x00000004
170
 
171
/* ???  Unknown flag, set in IRIX 6's BSDdup2.o in libbsd.a.  */
172
#define EF_MIPS_XGOT            0x00000008
173
 
174
/* Code in file uses UCODE (obsolete) */
175
#define EF_MIPS_UCODE           0x00000010
176
 
177
/* Code in file uses new ABI (-n32 on Irix 6).  */
178
#define EF_MIPS_ABI2            0x00000020
179
 
180
/* Process the .MIPS.options section first by ld */
181
#define EF_MIPS_OPTIONS_FIRST   0x00000080
182
 
183
/* Architectural Extensions used by this file */
184
#define EF_MIPS_ARCH_ASE        0x0f000000
185
 
186
/* Use MDMX multimedia extensions */
187
#define EF_MIPS_ARCH_ASE_MDMX   0x08000000
188
 
189
/* Use MIPS-16 ISA extensions */
190
#define EF_MIPS_ARCH_ASE_M16    0x04000000
191
 
192 161 khays
/* Use MICROMIPS ISA extensions.  */
193
#define EF_MIPS_ARCH_ASE_MICROMIPS      0x02000000
194
 
195 17 khays
/* Indicates code compiled for a 64-bit machine in 32-bit mode.
196
   (regs are 32-bits wide.) */
197
#define EF_MIPS_32BITMODE       0x00000100
198
 
199
/* Four bit MIPS architecture field.  */
200
#define EF_MIPS_ARCH            0xf0000000
201
 
202
/* -mips1 code.  */
203
#define E_MIPS_ARCH_1           0x00000000
204
 
205
/* -mips2 code.  */
206
#define E_MIPS_ARCH_2           0x10000000
207
 
208
/* -mips3 code.  */
209
#define E_MIPS_ARCH_3           0x20000000
210
 
211
/* -mips4 code.  */
212
#define E_MIPS_ARCH_4           0x30000000
213
 
214
/* -mips5 code.  */
215
#define E_MIPS_ARCH_5           0x40000000
216
 
217
/* -mips32 code.  */
218
#define E_MIPS_ARCH_32          0x50000000
219
 
220
/* -mips64 code.  */
221
#define E_MIPS_ARCH_64          0x60000000
222
 
223
/* -mips32r2 code.  */
224
#define E_MIPS_ARCH_32R2        0x70000000
225
 
226
/* -mips64r2 code.  */
227
#define E_MIPS_ARCH_64R2        0x80000000
228
 
229
/* The ABI of the file.  Also see EF_MIPS_ABI2 above. */
230
#define EF_MIPS_ABI             0x0000F000
231
 
232
/* The original o32 abi. */
233
#define E_MIPS_ABI_O32          0x00001000
234
 
235
/* O32 extended to work on 64 bit architectures */
236
#define E_MIPS_ABI_O64          0x00002000
237
 
238
/* EABI in 32 bit mode */
239
#define E_MIPS_ABI_EABI32       0x00003000
240
 
241
/* EABI in 64 bit mode */
242
#define E_MIPS_ABI_EABI64       0x00004000
243
 
244
 
245
/* Machine variant if we know it.  This field was invented at Cygnus,
246
   but it is hoped that other vendors will adopt it.  If some standard
247
   is developed, this code should be changed to follow it. */
248
 
249
#define EF_MIPS_MACH            0x00FF0000
250
 
251
/* Cygnus is choosing values between 80 and 9F;
252
   00 - 7F should be left for a future standard;
253
   the rest are open. */
254
 
255
#define E_MIPS_MACH_3900        0x00810000
256
#define E_MIPS_MACH_4010        0x00820000
257
#define E_MIPS_MACH_4100        0x00830000
258
#define E_MIPS_MACH_4650        0x00850000
259
#define E_MIPS_MACH_4120        0x00870000
260
#define E_MIPS_MACH_4111        0x00880000
261
#define E_MIPS_MACH_SB1         0x008a0000
262
#define E_MIPS_MACH_OCTEON      0x008b0000
263
#define E_MIPS_MACH_XLR         0x008c0000
264
#define E_MIPS_MACH_OCTEON2     0x008d0000
265
#define E_MIPS_MACH_5400        0x00910000
266
#define E_MIPS_MACH_5500        0x00980000
267
#define E_MIPS_MACH_9000        0x00990000
268
#define E_MIPS_MACH_LS2E        0x00A00000
269
#define E_MIPS_MACH_LS2F        0x00A10000
270
#define E_MIPS_MACH_LS3A        0x00A20000
271
 
272
/* Processor specific section indices.  These sections do not actually
273
   exist.  Symbols with a st_shndx field corresponding to one of these
274
   values have a special meaning.  */
275
 
276
/* Defined and allocated common symbol.  Value is virtual address.  If
277
   relocated, alignment must be preserved.  */
278
#define SHN_MIPS_ACOMMON        SHN_LORESERVE
279
 
280
/* Defined and allocated text symbol.  Value is virtual address.
281
   Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables.  */
282
#define SHN_MIPS_TEXT           (SHN_LORESERVE + 1)
283
 
284
/* Defined and allocated data symbol.  Value is virtual address.
285
   Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables.  */
286
#define SHN_MIPS_DATA           (SHN_LORESERVE + 2)
287
 
288
/* Small common symbol.  */
289
#define SHN_MIPS_SCOMMON        (SHN_LORESERVE + 3)
290
 
291
/* Small undefined symbol.  */
292
#define SHN_MIPS_SUNDEFINED     (SHN_LORESERVE + 4)
293
 
294
/* Processor specific section types.  */
295
 
296
/* Section contains the set of dynamic shared objects used when
297
   statically linking.  */
298
#define SHT_MIPS_LIBLIST        0x70000000
299
 
300
/* I'm not sure what this is, but it's used on Irix 5.  */
301
#define SHT_MIPS_MSYM           0x70000001
302
 
303
/* Section contains list of symbols whose definitions conflict with
304
   symbols defined in shared objects.  */
305
#define SHT_MIPS_CONFLICT       0x70000002
306
 
307
/* Section contains the global pointer table.  */
308
#define SHT_MIPS_GPTAB          0x70000003
309
 
310
/* Section contains microcode information.  The exact format is
311
   unspecified.  */
312
#define SHT_MIPS_UCODE          0x70000004
313
 
314
/* Section contains some sort of debugging information.  The exact
315
   format is unspecified.  It's probably ECOFF symbols.  */
316
#define SHT_MIPS_DEBUG          0x70000005
317
 
318
/* Section contains register usage information.  */
319
#define SHT_MIPS_REGINFO        0x70000006
320
 
321
/* ??? */
322
#define SHT_MIPS_PACKAGE        0x70000007
323
 
324
/* ??? */
325
#define SHT_MIPS_PACKSYM        0x70000008
326
 
327
/* ??? */
328
#define SHT_MIPS_RELD           0x70000009
329
 
330
/* Section contains interface information.  */
331
#define SHT_MIPS_IFACE          0x7000000b
332
 
333
/* Section contains description of contents of another section.  */
334
#define SHT_MIPS_CONTENT        0x7000000c
335
 
336
/* Section contains miscellaneous options.  */
337
#define SHT_MIPS_OPTIONS        0x7000000d
338
 
339
/* ??? */
340
#define SHT_MIPS_SHDR           0x70000010
341
 
342
/* ??? */
343
#define SHT_MIPS_FDESC          0x70000011
344
 
345
/* ??? */
346
#define SHT_MIPS_EXTSYM         0x70000012
347
 
348
/* ??? */
349
#define SHT_MIPS_DENSE          0x70000013
350
 
351
/* ??? */
352
#define SHT_MIPS_PDESC          0x70000014
353
 
354
/* ??? */
355
#define SHT_MIPS_LOCSYM         0x70000015
356
 
357
/* ??? */
358
#define SHT_MIPS_AUXSYM         0x70000016
359
 
360
/* ??? */
361
#define SHT_MIPS_OPTSYM         0x70000017
362
 
363
/* ??? */
364
#define SHT_MIPS_LOCSTR         0x70000018
365
 
366
/* ??? */
367
#define SHT_MIPS_LINE           0x70000019
368
 
369
/* ??? */
370
#define SHT_MIPS_RFDESC         0x7000001a
371
 
372
/* Delta C++: symbol table */
373
#define SHT_MIPS_DELTASYM       0x7000001b
374
 
375
/* Delta C++: instance table */
376
#define SHT_MIPS_DELTAINST      0x7000001c
377
 
378
/* Delta C++: class table */
379
#define SHT_MIPS_DELTACLASS     0x7000001d
380
 
381
/* DWARF debugging section.  */
382
#define SHT_MIPS_DWARF          0x7000001e
383
 
384
/* Delta C++: declarations */
385
#define SHT_MIPS_DELTADECL      0x7000001f
386
 
387
/* List of libraries the binary depends on.  Includes a time stamp, version
388
   number.  */
389
#define SHT_MIPS_SYMBOL_LIB     0x70000020
390
 
391
/* Events section.  */
392
#define SHT_MIPS_EVENTS         0x70000021
393
 
394
/* ??? */
395
#define SHT_MIPS_TRANSLATE      0x70000022
396
 
397
/* Special pixie sections */
398
#define SHT_MIPS_PIXIE          0x70000023
399
 
400
/* Address translation table (for debug info) */
401
#define SHT_MIPS_XLATE          0x70000024
402
 
403
/* SGI internal address translation table (for debug info) */
404
#define SHT_MIPS_XLATE_DEBUG    0x70000025
405
 
406
/* Intermediate code */
407
#define SHT_MIPS_WHIRL          0x70000026
408
 
409
/* C++ exception handling region info */
410
#define SHT_MIPS_EH_REGION      0x70000027
411
 
412
/* Obsolete address translation table (for debug info) */
413
#define SHT_MIPS_XLATE_OLD      0x70000028
414
 
415
/* Runtime procedure descriptor table exception information (ucode) ??? */
416
#define SHT_MIPS_PDR_EXCEPTION  0x70000029
417
 
418
 
419
/* A section of type SHT_MIPS_LIBLIST contains an array of the
420
   following structure.  The sh_link field is the section index of the
421
   string table.  The sh_info field is the number of entries in the
422
   section.  */
423
typedef struct
424
{
425
  /* String table index for name of shared object.  */
426
  unsigned long l_name;
427
  /* Time stamp.  */
428
  unsigned long l_time_stamp;
429
  /* Checksum of symbol names and common sizes.  */
430
  unsigned long l_checksum;
431
  /* String table index for version.  */
432
  unsigned long l_version;
433
  /* Flags.  */
434
  unsigned long l_flags;
435
} Elf32_Lib;
436
 
437
/* The external version of Elf32_Lib.  */
438
typedef struct
439
{
440
  unsigned char l_name[4];
441
  unsigned char l_time_stamp[4];
442
  unsigned char l_checksum[4];
443
  unsigned char l_version[4];
444
  unsigned char l_flags[4];
445
} Elf32_External_Lib;
446
 
447
/* The l_flags field of an Elf32_Lib structure may contain the
448
   following flags.  */
449
 
450
/* Require an exact match at runtime.  */
451
#define LL_EXACT_MATCH          0x00000001
452
 
453
/* Ignore version incompatibilities at runtime.  */
454
#define LL_IGNORE_INT_VER       0x00000002
455
 
456
/* Require matching minor version number.  */
457
#define LL_REQUIRE_MINOR        0x00000004
458
 
459
/* ??? */
460
#define LL_EXPORTS              0x00000008
461
 
462
/* Delay loading of this library until really needed.  */
463
#define LL_DELAY_LOAD           0x00000010
464
 
465
/* ??? Delta C++ stuff ??? */
466
#define LL_DELTA                0x00000020
467
 
468
 
469
/* A section of type SHT_MIPS_CONFLICT is an array of indices into the
470
   .dynsym section.  Each element has the following type.  */
471
typedef unsigned long Elf32_Conflict;
472
typedef unsigned char Elf32_External_Conflict[4];
473
 
474
typedef unsigned long Elf64_Conflict;
475
typedef unsigned char Elf64_External_Conflict[8];
476
 
477
/* A section of type SHT_MIPS_GPTAB contains information about how
478
   much GP space would be required for different -G arguments.  This
479
   information is only used so that the linker can provide informative
480
   suggestions as to the best -G value to use.  The sh_info field is
481
   the index of the section for which this information applies.  The
482
   contents of the section are an array of the following union.  The
483
   first element uses the gt_header field.  The remaining elements use
484
   the gt_entry field.  */
485
typedef union
486
{
487
  struct
488
    {
489
      /* -G value actually used for this object file.  */
490
      unsigned long gt_current_g_value;
491
      /* Unused.  */
492
      unsigned long gt_unused;
493
    } gt_header;
494
  struct
495
    {
496
      /* If this -G argument has been used...  */
497
      unsigned long gt_g_value;
498
      /* ...this many GP section bytes would be required.  */
499
      unsigned long gt_bytes;
500
    } gt_entry;
501
} Elf32_gptab;
502
 
503
/* The external version of Elf32_gptab.  */
504
 
505
typedef union
506
{
507
  struct
508
    {
509
      unsigned char gt_current_g_value[4];
510
      unsigned char gt_unused[4];
511
    } gt_header;
512
  struct
513
    {
514
      unsigned char gt_g_value[4];
515
      unsigned char gt_bytes[4];
516
    } gt_entry;
517
} Elf32_External_gptab;
518
 
519
/* A section of type SHT_MIPS_REGINFO contains the following
520
   structure.  */
521
typedef struct
522
{
523
  /* Mask of general purpose registers used.  */
524
  unsigned long ri_gprmask;
525
  /* Mask of co-processor registers used.  */
526
  unsigned long ri_cprmask[4];
527
  /* GP register value for this object file.  */
528
  long ri_gp_value;
529
} Elf32_RegInfo;
530
 
531
/* The external version of the Elf_RegInfo structure.  */
532
typedef struct
533
{
534
  unsigned char ri_gprmask[4];
535
  unsigned char ri_cprmask[4][4];
536
  unsigned char ri_gp_value[4];
537
} Elf32_External_RegInfo;
538
 
539
/* MIPS ELF .reginfo swapping routines.  */
540
extern void bfd_mips_elf32_swap_reginfo_in
541
  (bfd *, const Elf32_External_RegInfo *, Elf32_RegInfo *);
542
extern void bfd_mips_elf32_swap_reginfo_out
543
  (bfd *, const Elf32_RegInfo *, Elf32_External_RegInfo *);
544
 
545
/* Processor specific section flags.  */
546
 
547
/* This section must be in the global data area.  */
548
#define SHF_MIPS_GPREL          0x10000000
549
 
550
/* This section should be merged.  */
551
#define SHF_MIPS_MERGE          0x20000000
552
 
553
/* This section contains address data of size implied by section
554
   element size.  */
555
#define SHF_MIPS_ADDR           0x40000000
556
 
557
/* This section contains string data.  */
558
#define SHF_MIPS_STRING         0x80000000
559
 
560
/* This section may not be stripped.  */
561
#define SHF_MIPS_NOSTRIP        0x08000000
562
 
563
/* This section is local to threads.  */
564
#define SHF_MIPS_LOCAL          0x04000000
565
 
566
/* Linker should generate implicit weak names for this section.  */
567
#define SHF_MIPS_NAMES          0x02000000
568
 
569
/* Section contais text/data which may be replicated in other sections.
570
   Linker should retain only one copy.  */
571
#define SHF_MIPS_NODUPES        0x01000000
572
 
573
/* Processor specific program header types.  */
574
 
575
/* Register usage information.  Identifies one .reginfo section.  */
576
#define PT_MIPS_REGINFO         0x70000000
577
 
578
/* Runtime procedure table.  */
579
#define PT_MIPS_RTPROC          0x70000001
580
 
581
/* .MIPS.options section.  */
582
#define PT_MIPS_OPTIONS         0x70000002
583
 
584
/* Processor specific dynamic array tags.  */
585
 
586
/* 32 bit version number for runtime linker interface.  */
587
#define DT_MIPS_RLD_VERSION     0x70000001
588
 
589
/* Time stamp.  */
590
#define DT_MIPS_TIME_STAMP      0x70000002
591
 
592
/* Checksum of external strings and common sizes.  */
593
#define DT_MIPS_ICHECKSUM       0x70000003
594
 
595
/* Index of version string in string table.  */
596
#define DT_MIPS_IVERSION        0x70000004
597
 
598
/* 32 bits of flags.  */
599
#define DT_MIPS_FLAGS           0x70000005
600
 
601
/* Base address of the segment.  */
602
#define DT_MIPS_BASE_ADDRESS    0x70000006
603
 
604
/* ??? */
605
#define DT_MIPS_MSYM            0x70000007
606
 
607
/* Address of .conflict section.  */
608
#define DT_MIPS_CONFLICT        0x70000008
609
 
610
/* Address of .liblist section.  */
611
#define DT_MIPS_LIBLIST         0x70000009
612
 
613
/* Number of local global offset table entries.  */
614
#define DT_MIPS_LOCAL_GOTNO     0x7000000a
615
 
616
/* Number of entries in the .conflict section.  */
617
#define DT_MIPS_CONFLICTNO      0x7000000b
618
 
619
/* Number of entries in the .liblist section.  */
620
#define DT_MIPS_LIBLISTNO       0x70000010
621
 
622
/* Number of entries in the .dynsym section.  */
623
#define DT_MIPS_SYMTABNO        0x70000011
624
 
625
/* Index of first external dynamic symbol not referenced locally.  */
626
#define DT_MIPS_UNREFEXTNO      0x70000012
627
 
628
/* Index of first dynamic symbol in global offset table.  */
629
#define DT_MIPS_GOTSYM          0x70000013
630
 
631
/* Number of page table entries in global offset table.  */
632
#define DT_MIPS_HIPAGENO        0x70000014
633
 
634
/* Address of run time loader map, used for debugging.  */
635
#define DT_MIPS_RLD_MAP         0x70000016
636
 
637
/* Delta C++ class definition.  */
638
#define DT_MIPS_DELTA_CLASS     0x70000017
639
 
640
/* Number of entries in DT_MIPS_DELTA_CLASS.  */
641
#define DT_MIPS_DELTA_CLASS_NO  0x70000018
642
 
643
/* Delta C++ class instances.  */
644
#define DT_MIPS_DELTA_INSTANCE  0x70000019
645
 
646
/* Number of entries in DT_MIPS_DELTA_INSTANCE.  */
647
#define DT_MIPS_DELTA_INSTANCE_NO       0x7000001a
648
 
649
/* Delta relocations.  */
650
#define DT_MIPS_DELTA_RELOC     0x7000001b
651
 
652
/* Number of entries in DT_MIPS_DELTA_RELOC.  */
653
#define DT_MIPS_DELTA_RELOC_NO  0x7000001c
654
 
655
/* Delta symbols that Delta relocations refer to.  */
656
#define DT_MIPS_DELTA_SYM       0x7000001d
657
 
658
/* Number of entries in DT_MIPS_DELTA_SYM.  */
659
#define DT_MIPS_DELTA_SYM_NO    0x7000001e
660
 
661
/* Delta symbols that hold class declarations.  */
662
#define DT_MIPS_DELTA_CLASSSYM  0x70000020
663
 
664
/* Number of entries in DT_MIPS_DELTA_CLASSSYM.  */
665
#define DT_MIPS_DELTA_CLASSSYM_NO       0x70000021
666
 
667
/* Flags indicating information about C++ flavor.  */
668
#define DT_MIPS_CXX_FLAGS       0x70000022
669
 
670
/* Pixie information (???).  */
671
#define DT_MIPS_PIXIE_INIT      0x70000023
672
 
673
/* Address of .MIPS.symlib */
674
#define DT_MIPS_SYMBOL_LIB      0x70000024
675
 
676
/* The GOT index of the first PTE for a segment */
677
#define DT_MIPS_LOCALPAGE_GOTIDX        0x70000025
678
 
679
/* The GOT index of the first PTE for a local symbol */
680
#define DT_MIPS_LOCAL_GOTIDX    0x70000026
681
 
682
/* The GOT index of the first PTE for a hidden symbol */
683
#define DT_MIPS_HIDDEN_GOTIDX   0x70000027
684
 
685
/* The GOT index of the first PTE for a protected symbol */
686
#define DT_MIPS_PROTECTED_GOTIDX        0x70000028
687
 
688
/* Address of `.MIPS.options'.  */
689
#define DT_MIPS_OPTIONS         0x70000029
690
 
691
/* Address of `.interface'.  */
692
#define DT_MIPS_INTERFACE       0x7000002a
693
 
694
/* ??? */
695
#define DT_MIPS_DYNSTR_ALIGN    0x7000002b
696
 
697
/* Size of the .interface section.  */
698
#define DT_MIPS_INTERFACE_SIZE  0x7000002c
699
 
700
/* Size of rld_text_resolve function stored in the GOT.  */
701
#define DT_MIPS_RLD_TEXT_RESOLVE_ADDR   0x7000002d
702
 
703
/* Default suffix of DSO to be added by rld on dlopen() calls.  */
704
#define DT_MIPS_PERF_SUFFIX     0x7000002e
705
 
706
/* Size of compact relocation section (O32).  */
707
#define DT_MIPS_COMPACT_SIZE    0x7000002f
708
 
709
/* GP value for auxiliary GOTs.  */
710
#define DT_MIPS_GP_VALUE        0x70000030
711
 
712
/* Address of auxiliary .dynamic.  */
713
#define DT_MIPS_AUX_DYNAMIC     0x70000031
714
 
715
/* Address of the base of the PLTGOT.  */
716
#define DT_MIPS_PLTGOT         0x70000032
717
 
718
/* Points to the base of a writable PLT.  */
719
#define DT_MIPS_RWPLT          0x70000034
720
 
721
/* Flags which may appear in a DT_MIPS_FLAGS entry.  */
722
 
723
/* No flags.  */
724
#define RHF_NONE                0x00000000
725
 
726
/* Uses shortcut pointers.  */
727
#define RHF_QUICKSTART          0x00000001
728
 
729
/* Hash size is not a power of two.  */
730
#define RHF_NOTPOT              0x00000002
731
 
732
/* Ignore LD_LIBRARY_PATH.  */
733
#define RHS_NO_LIBRARY_REPLACEMENT 0x00000004
734
 
735
/* DSO address may not be relocated. */
736
#define RHF_NO_MOVE             0x00000008
737
 
738
/* SGI specific features. */
739
#define RHF_SGI_ONLY            0x00000010
740
 
741
/* Guarantee that .init will finish executing before any non-init
742
   code in DSO is called. */
743
#define RHF_GUARANTEE_INIT         0x00000020
744
 
745
/* Contains Delta C++ code. */
746
#define RHF_DELTA_C_PLUS_PLUS      0x00000040
747
 
748
/* Guarantee that .init will start executing before any non-init
749
   code in DSO is called. */
750
#define RHF_GUARANTEE_START_INIT   0x00000080
751
 
752
/* Generated by pixie. */
753
#define RHF_PIXIE                  0x00000100
754
 
755
/* Delay-load DSO by default. */
756
#define RHF_DEFAULT_DELAY_LOAD     0x00000200
757
 
758
/* Object may be requickstarted */
759
#define RHF_REQUICKSTART           0x00000400
760
 
761
/* Object has been requickstarted */
762
#define RHF_REQUICKSTARTED         0x00000800
763
 
764
/* Generated by cord. */
765
#define RHF_CORD                   0x00001000
766
 
767
/* Object contains no unresolved undef symbols. */
768
#define RHF_NO_UNRES_UNDEF         0x00002000
769
 
770
/* Symbol table is in a safe order. */
771
#define RHF_RLD_ORDER_SAFE         0x00004000
772
 
773
/* Special values for the st_other field in the symbol table.  These
774
   are used in an Irix 5 dynamic symbol table.  */
775
 
776
#define STO_DEFAULT             STV_DEFAULT
777
#define STO_INTERNAL            STV_INTERNAL
778
#define STO_HIDDEN              STV_HIDDEN
779
#define STO_PROTECTED           STV_PROTECTED
780
 
781 161 khays
/* Two topmost bits denote the MIPS ISA for .text symbols:
782
   + 00 -- standard MIPS code,
783
   + 10 -- microMIPS code,
784
   + 11 -- MIPS16 code; requires the following two bits to be set too.
785
   Note that one of the MIPS16 bits overlaps with STO_MIPS_PIC.  See below
786
   for details.  */
787
#define STO_MIPS_ISA            (3 << 6)
788
 
789
/* The mask spanning the rest of MIPS psABI flags.  At most one is expected
790
   to be set except for STO_MIPS16.  */
791
#define STO_MIPS_FLAGS          (~(STO_MIPS_ISA | ELF_ST_VISIBILITY (-1)))
792
 
793 17 khays
/* The MIPS psABI was updated in 2008 with support for PLTs and copy
794
   relocs.  There are therefore two types of nonzero SHN_UNDEF functions:
795
   PLT entries and traditional MIPS lazy binding stubs.  We mark the former
796
   with STO_MIPS_PLT to distinguish them from the latter.  */
797
#define STO_MIPS_PLT            0x8
798 161 khays
#define ELF_ST_IS_MIPS_PLT(other) (((other) & STO_MIPS_FLAGS) == STO_MIPS_PLT)
799
#define ELF_ST_SET_MIPS_PLT(other) (((other) & ~STO_MIPS_FLAGS) | STO_MIPS_PLT)
800 17 khays
 
801
/* This value is used to mark PIC functions in an object that mixes
802 161 khays
   PIC and non-PIC.  Note that this bit overlaps with STO_MIPS16,
803
   although MIPS16 symbols are never considered to be MIPS_PIC.  */
804 17 khays
#define STO_MIPS_PIC            0x20
805 161 khays
#define ELF_ST_IS_MIPS_PIC(other) (((other) & STO_MIPS_FLAGS) == STO_MIPS_PIC)
806
#define ELF_ST_SET_MIPS_PIC(other) (((other) & ~STO_MIPS_FLAGS) | STO_MIPS_PIC)
807 17 khays
 
808
/* This value is used for a mips16 .text symbol.  */
809
#define STO_MIPS16              0xf0
810 161 khays
#define ELF_ST_IS_MIPS16(other) (((other) & STO_MIPS16) == STO_MIPS16)
811
#define ELF_ST_SET_MIPS16(other) ((other) | STO_MIPS16)
812 17 khays
 
813 161 khays
/* This value is used for a microMIPS .text symbol.  To distinguish from
814
   STO_MIPS16, we set top two bits to be 10 to denote STO_MICROMIPS.  The
815
   mask is STO_MIPS_ISA.  */
816
#define STO_MICROMIPS           (2 << 6)
817
#define ELF_ST_IS_MICROMIPS(other) (((other) & STO_MIPS_ISA) == STO_MICROMIPS)
818
#define ELF_ST_SET_MICROMIPS(other) (((other) & ~STO_MIPS_ISA) | STO_MICROMIPS)
819
 
820
/* Whether code compression (either of the MIPS16 or the microMIPS ASEs)
821
   has been indicated for a .text symbol.  */
822
#define ELF_ST_IS_COMPRESSED(other) \
823
  (ELF_ST_IS_MIPS16 (other) || ELF_ST_IS_MICROMIPS (other))
824
 
825 17 khays
/* This bit is used on Irix to indicate a symbol whose definition
826
   is optional - if, at final link time, it cannot be found, no
827
   error message should be produced.  */
828
#define STO_OPTIONAL            (1 << 2)
829
/* A macro to examine the STO_OPTIONAL bit.  */
830
#define ELF_MIPS_IS_OPTIONAL(other)     ((other) & STO_OPTIONAL)
831
 
832
/* The 64-bit MIPS ELF ABI uses an unusual reloc format.  Each
833
   relocation entry specifies up to three actual relocations, all at
834
   the same address.  The first relocation which required a symbol
835
   uses the symbol in the r_sym field.  The second relocation which
836
   requires a symbol uses the symbol in the r_ssym field.  If all
837
   three relocations require a symbol, the third one uses a zero
838
   value.  */
839
 
840
/* An entry in a 64 bit SHT_REL section.  */
841
 
842
typedef struct
843
{
844
  /* Address of relocation.  */
845
  unsigned char r_offset[8];
846
  /* Symbol index.  */
847
  unsigned char r_sym[4];
848
  /* Special symbol.  */
849
  unsigned char r_ssym[1];
850
  /* Third relocation.  */
851
  unsigned char r_type3[1];
852
  /* Second relocation.  */
853
  unsigned char r_type2[1];
854
  /* First relocation.  */
855
  unsigned char r_type[1];
856
} Elf64_Mips_External_Rel;
857
 
858
typedef struct
859
{
860
  /* Address of relocation.  */
861
  bfd_vma r_offset;
862
  /* Symbol index.  */
863
  unsigned long r_sym;
864
  /* Special symbol.  */
865
  unsigned char r_ssym;
866
  /* Third relocation.  */
867
  unsigned char r_type3;
868
  /* Second relocation.  */
869
  unsigned char r_type2;
870
  /* First relocation.  */
871
  unsigned char r_type;
872
} Elf64_Mips_Internal_Rel;
873
 
874
/* An entry in a 64 bit SHT_RELA section.  */
875
 
876
typedef struct
877
{
878
  /* Address of relocation.  */
879
  unsigned char r_offset[8];
880
  /* Symbol index.  */
881
  unsigned char r_sym[4];
882
  /* Special symbol.  */
883
  unsigned char r_ssym[1];
884
  /* Third relocation.  */
885
  unsigned char r_type3[1];
886
  /* Second relocation.  */
887
  unsigned char r_type2[1];
888
  /* First relocation.  */
889
  unsigned char r_type[1];
890
  /* Addend.  */
891
  unsigned char r_addend[8];
892
} Elf64_Mips_External_Rela;
893
 
894
typedef struct
895
{
896
  /* Address of relocation.  */
897
  bfd_vma r_offset;
898
  /* Symbol index.  */
899
  unsigned long r_sym;
900
  /* Special symbol.  */
901
  unsigned char r_ssym;
902
  /* Third relocation.  */
903
  unsigned char r_type3;
904
  /* Second relocation.  */
905
  unsigned char r_type2;
906
  /* First relocation.  */
907
  unsigned char r_type;
908
  /* Addend.  */
909
  bfd_signed_vma r_addend;
910
} Elf64_Mips_Internal_Rela;
911
 
912
/* MIPS ELF 64 relocation info access macros.  */
913
#define ELF64_MIPS_R_SSYM(i) (((i) >> 24) & 0xff)
914
#define ELF64_MIPS_R_TYPE3(i) (((i) >> 16) & 0xff)
915
#define ELF64_MIPS_R_TYPE2(i) (((i) >> 8) & 0xff)
916
#define ELF64_MIPS_R_TYPE(i) ((i) & 0xff)
917
 
918
/* Values found in the r_ssym field of a relocation entry.  */
919
 
920
/* No relocation.  */
921
#define RSS_UNDEF       0
922
 
923
/* Value of GP.  */
924
#define RSS_GP          1
925
 
926
/* Value of GP in object being relocated.  */
927
#define RSS_GP0         2
928
 
929
/* Address of location being relocated.  */
930
#define RSS_LOC         3
931
 
932
/* A SHT_MIPS_OPTIONS section contains a series of options, each of
933
   which starts with this header.  */
934
 
935
typedef struct
936
{
937
  /* Type of option.  */
938
  unsigned char kind[1];
939
  /* Size of option descriptor, including header.  */
940
  unsigned char size[1];
941
  /* Section index of affected section, or 0 for global option.  */
942
  unsigned char section[2];
943
  /* Information specific to this kind of option.  */
944
  unsigned char info[4];
945
} Elf_External_Options;
946
 
947
typedef struct
948
{
949
  /* Type of option.  */
950
  unsigned char kind;
951
  /* Size of option descriptor, including header.  */
952
  unsigned char size;
953
  /* Section index of affected section, or 0 for global option.  */
954
  unsigned short section;
955
  /* Information specific to this kind of option.  */
956
  unsigned long info;
957
} Elf_Internal_Options;
958
 
959
/* MIPS ELF option header swapping routines.  */
960
extern void bfd_mips_elf_swap_options_in
961
  (bfd *, const Elf_External_Options *, Elf_Internal_Options *);
962
extern void bfd_mips_elf_swap_options_out
963
  (bfd *, const Elf_Internal_Options *, Elf_External_Options *);
964
 
965
/* Values which may appear in the kind field of an Elf_Options
966
   structure.  */
967
 
968
/* Undefined.  */
969
#define ODK_NULL        0
970
 
971
/* Register usage and GP value.  */
972
#define ODK_REGINFO     1
973
 
974
/* Exception processing information.  */
975
#define ODK_EXCEPTIONS  2
976
 
977
/* Section padding information.  */
978
#define ODK_PAD         3
979
 
980
/* Hardware workarounds performed.  */
981
#define ODK_HWPATCH     4
982
 
983
/* Fill value used by the linker.  */
984
#define ODK_FILL        5
985
 
986
/* Reserved space for desktop tools.  */
987
#define ODK_TAGS        6
988
 
989
/* Hardware workarounds, AND bits when merging.  */
990
#define ODK_HWAND       7
991
 
992
/* Hardware workarounds, OR bits when merging.  */
993
#define ODK_HWOR        8
994
 
995
/* GP group to use for text/data sections.  */
996
#define ODK_GP_GROUP    9
997
 
998
/* ID information.  */
999
#define ODK_IDENT       10
1000
 
1001
/* In the 32 bit ABI, an ODK_REGINFO option is just a Elf32_RegInfo
1002
   structure.  In the 64 bit ABI, it is the following structure.  The
1003
   info field of the options header is not used.  */
1004
 
1005
typedef struct
1006
{
1007
  /* Mask of general purpose registers used.  */
1008
  unsigned char ri_gprmask[4];
1009
  /* Padding.  */
1010
  unsigned char ri_pad[4];
1011
  /* Mask of co-processor registers used.  */
1012
  unsigned char ri_cprmask[4][4];
1013
  /* GP register value for this object file.  */
1014
  unsigned char ri_gp_value[8];
1015
} Elf64_External_RegInfo;
1016
 
1017
typedef struct
1018
{
1019
  /* Mask of general purpose registers used.  */
1020
  unsigned long ri_gprmask;
1021
  /* Padding.  */
1022
  unsigned long ri_pad;
1023
  /* Mask of co-processor registers used.  */
1024
  unsigned long ri_cprmask[4];
1025
  /* GP register value for this object file.  */
1026
  bfd_vma ri_gp_value;
1027
} Elf64_Internal_RegInfo;
1028
 
1029
typedef struct
1030
{
1031
  /* The hash value computed from the name of the corresponding
1032
     dynamic symbol.  */
1033
  unsigned char ms_hash_value[4];
1034
  /* Contains both the dynamic relocation index and the symbol flags
1035
     field.  The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used
1036
     to access the individual values.  The dynamic relocation index
1037
     identifies the first entry in the .rel.dyn section that
1038
     references the dynamic symbol corresponding to this msym entry.
1039
     If the index is 0, no dynamic relocations are associated with the
1040
     symbol.  The symbol flags field is reserved for future use.  */
1041
  unsigned char ms_info[4];
1042
} Elf32_External_Msym;
1043
 
1044
typedef struct
1045
{
1046
  /* The hash value computed from the name of the corresponding
1047
     dynamic symbol.  */
1048
  unsigned long ms_hash_value;
1049
  /* Contains both the dynamic relocation index and the symbol flags
1050
     field.  The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used
1051
     to access the individual values.  The dynamic relocation index
1052
     identifies the first entry in the .rel.dyn section that
1053
     references the dynamic symbol corresponding to this msym entry.
1054
     If the index is 0, no dynamic relocations are associated with the
1055
     symbol.  The symbol flags field is reserved for future use.  */
1056
  unsigned long ms_info;
1057
} Elf32_Internal_Msym;
1058
 
1059
#define ELF32_MS_REL_INDEX(i) ((i) >> 8)
1060
#define ELF32_MS_FLAGS(i)     (i) & 0xff)
1061
#define ELF32_MS_INFO(r, f)   (((r) << 8) + ((f) & 0xff))
1062
 
1063
/* MIPS ELF reginfo swapping routines.  */
1064
extern void bfd_mips_elf64_swap_reginfo_in
1065
  (bfd *, const Elf64_External_RegInfo *, Elf64_Internal_RegInfo *);
1066
extern void bfd_mips_elf64_swap_reginfo_out
1067
  (bfd *, const Elf64_Internal_RegInfo *, Elf64_External_RegInfo *);
1068
 
1069
/* Masks for the info work of an ODK_EXCEPTIONS descriptor.  */
1070
#define OEX_FPU_MIN     0x1f    /* FPEs which must be enabled.  */
1071
#define OEX_FPU_MAX     0x1f00  /* FPEs which may be enabled.  */
1072
#define OEX_PAGE0       0x10000 /* Page zero must be mapped.  */
1073
#define OEX_SMM         0x20000 /* Force sequential memory mode.  */
1074
#define OEX_FPDBUG      0x40000 /* Force precise floating-point
1075
                                   exceptions (debug mode).  */
1076
#define OEX_DISMISS     0x80000 /* Dismiss invalid address faults.  */
1077
 
1078
/* Masks of the FP exceptions for OEX_FPU_MIN and OEX_FPU_MAX.  */
1079
#define OEX_FPU_INVAL   0x10    /* Invalid operation exception.  */
1080
#define OEX_FPU_DIV0    0x08    /* Division by zero exception.  */
1081
#define OEX_FPU_OFLO    0x04    /* Overflow exception.  */
1082
#define OEX_FPU_UFLO    0x02    /* Underflow exception.  */
1083
#define OEX_FPU_INEX    0x01    /* Inexact exception.  */
1084
 
1085
/* Masks for the info word of an ODK_PAD descriptor.  */
1086
#define OPAD_PREFIX     0x01
1087
#define OPAD_POSTFIX    0x02
1088
#define OPAD_SYMBOL     0x04
1089
 
1090
/* Masks for the info word of an ODK_HWPATCH descriptor.  */
1091
#define OHW_R4KEOP      0x00000001      /* R4000 end-of-page patch.  */
1092
#define OHW_R8KPFETCH   0x00000002      /* May need R8000 prefetch patch.  */
1093
#define OHW_R5KEOP      0x00000004      /* R5000 end-of-page patch.  */
1094
#define OHW_R5KCVTL     0x00000008      /* R5000 cvt.[ds].l bug
1095
                                           (clean == 1).  */
1096
#define OHW_R10KLDL     0x00000010      /* Needs R10K misaligned
1097
                                           load patch. */
1098
 
1099
/* Masks for the info word of an ODK_IDENT/ODK_GP_GROUP descriptor.  */
1100
#define OGP_GROUP       0x0000ffff      /* GP group number.  */
1101
#define OGP_SELF        0xffff0000      /* Self-contained GP groups.  */
1102
 
1103
/* Masks for the info word of an ODK_HWAND/ODK_HWOR descriptor.  */
1104
#define OHWA0_R4KEOP_CHECKED    0x00000001
1105
#define OHWA0_R4KEOP_CLEAN      0x00000002
1106
 
1107
 
1108
/* Object attribute tags.  */
1109
enum
1110
{
1111
  /* 0-3 are generic.  */
1112
  Tag_GNU_MIPS_ABI_FP = 4, /* Value 1 for hard-float -mdouble-float, 2
1113
                              for hard-float -msingle-float, 3 for
1114
                              soft-float, 4 for -mips32r2 -mfp64; 0 for
1115
                              not tagged or not using any ABIs affected
1116
                              by the differences.  */
1117
};
1118
 
1119
#endif /* _ELF_MIPS_H */

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