source: trunk/libs/newlib/src/include/elf/mips.h @ 466

Last change on this file since 466 was 444, checked in by satin@…, 7 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
File size: 35.7 KB
RevLine 
[444]1/* MIPS ELF support for BFD.
2   Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
3   2003, 2004, 2005, 2008, 2009, 2010, 2013
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.  */
36START_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  RELOC_NUMBER (R_MIPS16_TLS_GD, 106)
102  RELOC_NUMBER (R_MIPS16_TLS_LDM, 107)
103  RELOC_NUMBER (R_MIPS16_TLS_DTPREL_HI16, 108)
104  RELOC_NUMBER (R_MIPS16_TLS_DTPREL_LO16, 109)
105  RELOC_NUMBER (R_MIPS16_TLS_GOTTPREL, 110)
106  RELOC_NUMBER (R_MIPS16_TLS_TPREL_HI16, 111)
107  RELOC_NUMBER (R_MIPS16_TLS_TPREL_LO16, 112)
108  FAKE_RELOC (R_MIPS16_max, 113)
109  /* These relocations are specific to VxWorks.  */
110  RELOC_NUMBER (R_MIPS_COPY, 126)
111  RELOC_NUMBER (R_MIPS_JUMP_SLOT, 127)
112
113  /* These relocations are specific to microMIPS.  */
114  FAKE_RELOC (R_MICROMIPS_min, 130)
115  RELOC_NUMBER (R_MICROMIPS_26_S1, 133)
116  RELOC_NUMBER (R_MICROMIPS_HI16, 134)
117  RELOC_NUMBER (R_MICROMIPS_LO16, 135)
118  RELOC_NUMBER (R_MICROMIPS_GPREL16, 136)       /* In Elf 64:
119                                                   alias R_MICROMIPS_GPREL */
120  RELOC_NUMBER (R_MICROMIPS_LITERAL, 137)
121  RELOC_NUMBER (R_MICROMIPS_GOT16, 138)         /* In Elf 64:
122                                                   alias R_MICROMIPS_GOT */
123  RELOC_NUMBER (R_MICROMIPS_PC7_S1, 139)
124  RELOC_NUMBER (R_MICROMIPS_PC10_S1, 140)
125  RELOC_NUMBER (R_MICROMIPS_PC16_S1, 141)
126  RELOC_NUMBER (R_MICROMIPS_CALL16, 142)        /* In Elf 64:
127                                                   alias R_MICROMIPS_CALL */
128  RELOC_NUMBER (R_MICROMIPS_GOT_DISP, 145)
129  RELOC_NUMBER (R_MICROMIPS_GOT_PAGE, 146)
130  RELOC_NUMBER (R_MICROMIPS_GOT_OFST, 147)
131  RELOC_NUMBER (R_MICROMIPS_GOT_HI16, 148)
132  RELOC_NUMBER (R_MICROMIPS_GOT_LO16, 149)
133  RELOC_NUMBER (R_MICROMIPS_SUB, 150)
134  RELOC_NUMBER (R_MICROMIPS_HIGHER, 151)
135  RELOC_NUMBER (R_MICROMIPS_HIGHEST, 152)
136  RELOC_NUMBER (R_MICROMIPS_CALL_HI16, 153)
137  RELOC_NUMBER (R_MICROMIPS_CALL_LO16, 154)
138  RELOC_NUMBER (R_MICROMIPS_SCN_DISP, 155)
139  RELOC_NUMBER (R_MICROMIPS_JALR, 156)
140  RELOC_NUMBER (R_MICROMIPS_HI0_LO16, 157)
141  /* TLS relocations.  */
142  RELOC_NUMBER (R_MICROMIPS_TLS_GD, 162)
143  RELOC_NUMBER (R_MICROMIPS_TLS_LDM, 163)
144  RELOC_NUMBER (R_MICROMIPS_TLS_DTPREL_HI16, 164)
145  RELOC_NUMBER (R_MICROMIPS_TLS_DTPREL_LO16, 165)
146  RELOC_NUMBER (R_MICROMIPS_TLS_GOTTPREL, 166)
147  RELOC_NUMBER (R_MICROMIPS_TLS_TPREL_HI16, 169)
148  RELOC_NUMBER (R_MICROMIPS_TLS_TPREL_LO16, 170)
149  /* microMIPS GP- and PC-relative relocations. */
150  RELOC_NUMBER (R_MICROMIPS_GPREL7_S2, 172)
151  RELOC_NUMBER (R_MICROMIPS_PC23_S2, 173)
152  FAKE_RELOC (R_MICROMIPS_max, 174)
153
154  /* This was a GNU extension used by embedded-PIC.  It was co-opted by
155     mips-linux for exception-handling data.  GCC stopped using it in
156     May, 2004, then started using it again for compact unwind tables.  */
157  RELOC_NUMBER (R_MIPS_PC32, 248)
158  RELOC_NUMBER (R_MIPS_EH, 249)
159  /* FIXME: this relocation is used internally by gas.  */
160  RELOC_NUMBER (R_MIPS_GNU_REL16_S2, 250)
161  /* These are GNU extensions to enable C++ vtable garbage collection.  */
162  RELOC_NUMBER (R_MIPS_GNU_VTINHERIT, 253)
163  RELOC_NUMBER (R_MIPS_GNU_VTENTRY, 254)
164END_RELOC_NUMBERS (R_MIPS_maxext)
165
166/* Processor specific flags for the ELF header e_flags field.  */
167
168/* At least one .noreorder directive appears in the source.  */
169#define EF_MIPS_NOREORDER       0x00000001
170
171/* File contains position independent code.  */
172#define EF_MIPS_PIC             0x00000002
173
174/* Code in file uses the standard calling sequence for calling
175   position independent code.  */
176#define EF_MIPS_CPIC            0x00000004
177
178/* ???  Unknown flag, set in IRIX 6's BSDdup2.o in libbsd.a.  */
179#define EF_MIPS_XGOT            0x00000008
180
181/* Code in file uses UCODE (obsolete) */
182#define EF_MIPS_UCODE           0x00000010
183
184/* Code in file uses new ABI (-n32 on Irix 6).  */
185#define EF_MIPS_ABI2            0x00000020
186
187/* Process the .MIPS.options section first by ld */
188#define EF_MIPS_OPTIONS_FIRST   0x00000080
189
190/* Indicates code compiled for a 64-bit machine in 32-bit mode
191   (regs are 32-bits wide).  */
192#define EF_MIPS_32BITMODE       0x00000100
193
194/* 32-bit machine but FP registers are 64 bit (-mfp64).  */
195#define EF_MIPS_FP64            0x00000200
196
197/* Code in file uses the IEEE 754-2008 NaN encoding convention.  */
198#define EF_MIPS_NAN2008         0x00000400
199
200/* Architectural Extensions used by this file */
201#define EF_MIPS_ARCH_ASE        0x0f000000
202
203/* Use MDMX multimedia extensions */
204#define EF_MIPS_ARCH_ASE_MDMX   0x08000000
205
206/* Use MIPS-16 ISA extensions */
207#define EF_MIPS_ARCH_ASE_M16    0x04000000
208
209/* Use MICROMIPS ISA extensions.  */
210#define EF_MIPS_ARCH_ASE_MICROMIPS      0x02000000
211
212/* Four bit MIPS architecture field.  */
213#define EF_MIPS_ARCH            0xf0000000
214
215/* -mips1 code.  */
216#define E_MIPS_ARCH_1           0x00000000
217
218/* -mips2 code.  */
219#define E_MIPS_ARCH_2           0x10000000
220
221/* -mips3 code.  */
222#define E_MIPS_ARCH_3           0x20000000
223
224/* -mips4 code.  */
225#define E_MIPS_ARCH_4           0x30000000
226
227/* -mips5 code.  */
228#define E_MIPS_ARCH_5           0x40000000
229
230/* -mips32 code.  */
231#define E_MIPS_ARCH_32          0x50000000
232
233/* -mips64 code.  */
234#define E_MIPS_ARCH_64          0x60000000
235
236/* -mips32r2 code.  */
237#define E_MIPS_ARCH_32R2        0x70000000
238
239/* -mips64r2 code.  */
240#define E_MIPS_ARCH_64R2        0x80000000
241
242/* The ABI of the file.  Also see EF_MIPS_ABI2 above. */
243#define EF_MIPS_ABI             0x0000F000
244
245/* The original o32 abi. */
246#define E_MIPS_ABI_O32          0x00001000
247
248/* O32 extended to work on 64 bit architectures */
249#define E_MIPS_ABI_O64          0x00002000
250
251/* EABI in 32 bit mode */
252#define E_MIPS_ABI_EABI32       0x00003000
253
254/* EABI in 64 bit mode */
255#define E_MIPS_ABI_EABI64       0x00004000
256
257
258/* Machine variant if we know it.  This field was invented at Cygnus,
259   but it is hoped that other vendors will adopt it.  If some standard
260   is developed, this code should be changed to follow it. */
261
262#define EF_MIPS_MACH            0x00FF0000
263
264/* Cygnus is choosing values between 80 and 9F;
265   00 - 7F should be left for a future standard;
266   the rest are open. */
267
268#define E_MIPS_MACH_3900        0x00810000
269#define E_MIPS_MACH_4010        0x00820000
270#define E_MIPS_MACH_4100        0x00830000
271#define E_MIPS_MACH_4650        0x00850000
272#define E_MIPS_MACH_4120        0x00870000
273#define E_MIPS_MACH_4111        0x00880000
274#define E_MIPS_MACH_SB1         0x008a0000
275#define E_MIPS_MACH_OCTEON      0x008b0000
276#define E_MIPS_MACH_XLR         0x008c0000
277#define E_MIPS_MACH_OCTEON2     0x008d0000
278#define E_MIPS_MACH_5400        0x00910000
279#define E_MIPS_MACH_5900        0x00920000
280#define E_MIPS_MACH_5500        0x00980000
281#define E_MIPS_MACH_9000        0x00990000
282#define E_MIPS_MACH_LS2E        0x00A00000
283#define E_MIPS_MACH_LS2F        0x00A10000
284#define E_MIPS_MACH_LS3A        0x00A20000
285
286/* Processor specific section indices.  These sections do not actually
287   exist.  Symbols with a st_shndx field corresponding to one of these
288   values have a special meaning.  */
289
290/* Defined and allocated common symbol.  Value is virtual address.  If
291   relocated, alignment must be preserved.  */
292#define SHN_MIPS_ACOMMON        SHN_LORESERVE
293
294/* Defined and allocated text symbol.  Value is virtual address.
295   Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables.  */
296#define SHN_MIPS_TEXT           (SHN_LORESERVE + 1)
297
298/* Defined and allocated data symbol.  Value is virtual address.
299   Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables.  */
300#define SHN_MIPS_DATA           (SHN_LORESERVE + 2)
301
302/* Small common symbol.  */
303#define SHN_MIPS_SCOMMON        (SHN_LORESERVE + 3)
304
305/* Small undefined symbol.  */
306#define SHN_MIPS_SUNDEFINED     (SHN_LORESERVE + 4)
307
308/* Processor specific section types.  */
309
310/* Section contains the set of dynamic shared objects used when
311   statically linking.  */
312#define SHT_MIPS_LIBLIST        0x70000000
313
314/* I'm not sure what this is, but it's used on Irix 5.  */
315#define SHT_MIPS_MSYM           0x70000001
316
317/* Section contains list of symbols whose definitions conflict with
318   symbols defined in shared objects.  */
319#define SHT_MIPS_CONFLICT       0x70000002
320
321/* Section contains the global pointer table.  */
322#define SHT_MIPS_GPTAB          0x70000003
323
324/* Section contains microcode information.  The exact format is
325   unspecified.  */
326#define SHT_MIPS_UCODE          0x70000004
327
328/* Section contains some sort of debugging information.  The exact
329   format is unspecified.  It's probably ECOFF symbols.  */
330#define SHT_MIPS_DEBUG          0x70000005
331
332/* Section contains register usage information.  */
333#define SHT_MIPS_REGINFO        0x70000006
334
335/* ??? */
336#define SHT_MIPS_PACKAGE        0x70000007
337
338/* ??? */
339#define SHT_MIPS_PACKSYM        0x70000008
340
341/* ??? */
342#define SHT_MIPS_RELD           0x70000009
343
344/* Section contains interface information.  */
345#define SHT_MIPS_IFACE          0x7000000b
346
347/* Section contains description of contents of another section.  */
348#define SHT_MIPS_CONTENT        0x7000000c
349
350/* Section contains miscellaneous options.  */
351#define SHT_MIPS_OPTIONS        0x7000000d
352
353/* ??? */
354#define SHT_MIPS_SHDR           0x70000010
355
356/* ??? */
357#define SHT_MIPS_FDESC          0x70000011
358
359/* ??? */
360#define SHT_MIPS_EXTSYM         0x70000012
361
362/* ??? */
363#define SHT_MIPS_DENSE          0x70000013
364
365/* ??? */
366#define SHT_MIPS_PDESC          0x70000014
367
368/* ??? */
369#define SHT_MIPS_LOCSYM         0x70000015
370
371/* ??? */
372#define SHT_MIPS_AUXSYM         0x70000016
373
374/* ??? */
375#define SHT_MIPS_OPTSYM         0x70000017
376
377/* ??? */
378#define SHT_MIPS_LOCSTR         0x70000018
379
380/* ??? */
381#define SHT_MIPS_LINE           0x70000019
382
383/* ??? */
384#define SHT_MIPS_RFDESC         0x7000001a
385
386/* Delta C++: symbol table */
387#define SHT_MIPS_DELTASYM       0x7000001b
388
389/* Delta C++: instance table */
390#define SHT_MIPS_DELTAINST      0x7000001c
391
392/* Delta C++: class table */
393#define SHT_MIPS_DELTACLASS     0x7000001d
394
395/* DWARF debugging section.  */
396#define SHT_MIPS_DWARF          0x7000001e
397
398/* Delta C++: declarations */
399#define SHT_MIPS_DELTADECL      0x7000001f
400
401/* List of libraries the binary depends on.  Includes a time stamp, version
402   number.  */
403#define SHT_MIPS_SYMBOL_LIB     0x70000020
404
405/* Events section.  */
406#define SHT_MIPS_EVENTS         0x70000021
407
408/* ??? */
409#define SHT_MIPS_TRANSLATE      0x70000022
410
411/* Special pixie sections */
412#define SHT_MIPS_PIXIE          0x70000023
413
414/* Address translation table (for debug info) */
415#define SHT_MIPS_XLATE          0x70000024
416
417/* SGI internal address translation table (for debug info) */
418#define SHT_MIPS_XLATE_DEBUG    0x70000025
419
420/* Intermediate code */
421#define SHT_MIPS_WHIRL          0x70000026
422
423/* C++ exception handling region info */
424#define SHT_MIPS_EH_REGION      0x70000027
425
426/* Obsolete address translation table (for debug info) */
427#define SHT_MIPS_XLATE_OLD      0x70000028
428
429/* Runtime procedure descriptor table exception information (ucode) ??? */
430#define SHT_MIPS_PDR_EXCEPTION  0x70000029
431
432
433/* A section of type SHT_MIPS_LIBLIST contains an array of the
434   following structure.  The sh_link field is the section index of the
435   string table.  The sh_info field is the number of entries in the
436   section.  */
437typedef struct
438{
439  /* String table index for name of shared object.  */
440  unsigned long l_name;
441  /* Time stamp.  */
442  unsigned long l_time_stamp;
443  /* Checksum of symbol names and common sizes.  */
444  unsigned long l_checksum;
445  /* String table index for version.  */
446  unsigned long l_version;
447  /* Flags.  */
448  unsigned long l_flags;
449} Elf32_Lib;
450
451/* The external version of Elf32_Lib.  */
452typedef struct
453{
454  unsigned char l_name[4];
455  unsigned char l_time_stamp[4];
456  unsigned char l_checksum[4];
457  unsigned char l_version[4];
458  unsigned char l_flags[4];
459} Elf32_External_Lib;
460
461/* The l_flags field of an Elf32_Lib structure may contain the
462   following flags.  */
463
464/* Require an exact match at runtime.  */
465#define LL_EXACT_MATCH          0x00000001
466
467/* Ignore version incompatibilities at runtime.  */
468#define LL_IGNORE_INT_VER       0x00000002
469
470/* Require matching minor version number.  */
471#define LL_REQUIRE_MINOR        0x00000004
472
473/* ??? */
474#define LL_EXPORTS              0x00000008
475
476/* Delay loading of this library until really needed.  */
477#define LL_DELAY_LOAD           0x00000010
478
479/* ??? Delta C++ stuff ??? */
480#define LL_DELTA                0x00000020
481
482
483/* A section of type SHT_MIPS_CONFLICT is an array of indices into the
484   .dynsym section.  Each element has the following type.  */
485typedef unsigned long Elf32_Conflict;
486typedef unsigned char Elf32_External_Conflict[4];
487
488typedef unsigned long Elf64_Conflict;
489typedef unsigned char Elf64_External_Conflict[8];
490
491/* A section of type SHT_MIPS_GPTAB contains information about how
492   much GP space would be required for different -G arguments.  This
493   information is only used so that the linker can provide informative
494   suggestions as to the best -G value to use.  The sh_info field is
495   the index of the section for which this information applies.  The
496   contents of the section are an array of the following union.  The
497   first element uses the gt_header field.  The remaining elements use
498   the gt_entry field.  */
499typedef union
500{
501  struct
502    {
503      /* -G value actually used for this object file.  */
504      unsigned long gt_current_g_value;
505      /* Unused.  */
506      unsigned long gt_unused;
507    } gt_header;
508  struct
509    {
510      /* If this -G argument has been used...  */
511      unsigned long gt_g_value;
512      /* ...this many GP section bytes would be required.  */
513      unsigned long gt_bytes;
514    } gt_entry;
515} Elf32_gptab;
516
517/* The external version of Elf32_gptab.  */
518
519typedef union
520{
521  struct
522    {
523      unsigned char gt_current_g_value[4];
524      unsigned char gt_unused[4];
525    } gt_header;
526  struct
527    {
528      unsigned char gt_g_value[4];
529      unsigned char gt_bytes[4];
530    } gt_entry;
531} Elf32_External_gptab;
532
533/* A section of type SHT_MIPS_REGINFO contains the following
534   structure.  */
535typedef struct
536{
537  /* Mask of general purpose registers used.  */
538  unsigned long ri_gprmask;
539  /* Mask of co-processor registers used.  */
540  unsigned long ri_cprmask[4];
541  /* GP register value for this object file.  */
542  long ri_gp_value;
543} Elf32_RegInfo;
544
545/* The external version of the Elf_RegInfo structure.  */
546typedef struct
547{
548  unsigned char ri_gprmask[4];
549  unsigned char ri_cprmask[4][4];
550  unsigned char ri_gp_value[4];
551} Elf32_External_RegInfo;
552
553/* MIPS ELF .reginfo swapping routines.  */
554extern void bfd_mips_elf32_swap_reginfo_in
555  (bfd *, const Elf32_External_RegInfo *, Elf32_RegInfo *);
556extern void bfd_mips_elf32_swap_reginfo_out
557  (bfd *, const Elf32_RegInfo *, Elf32_External_RegInfo *);
558
559/* Processor specific section flags.  */
560
561/* This section must be in the global data area.  */
562#define SHF_MIPS_GPREL          0x10000000
563
564/* This section should be merged.  */
565#define SHF_MIPS_MERGE          0x20000000
566
567/* This section contains address data of size implied by section
568   element size.  */
569#define SHF_MIPS_ADDR           0x40000000
570
571/* This section contains string data.  */
572#define SHF_MIPS_STRING         0x80000000
573
574/* This section may not be stripped.  */
575#define SHF_MIPS_NOSTRIP        0x08000000
576
577/* This section is local to threads.  */
578#define SHF_MIPS_LOCAL          0x04000000
579
580/* Linker should generate implicit weak names for this section.  */
581#define SHF_MIPS_NAMES          0x02000000
582
583/* Section contais text/data which may be replicated in other sections.
584   Linker should retain only one copy.  */
585#define SHF_MIPS_NODUPES        0x01000000
586
587/* Processor specific program header types.  */
588
589/* Register usage information.  Identifies one .reginfo section.  */
590#define PT_MIPS_REGINFO         0x70000000
591
592/* Runtime procedure table.  */
593#define PT_MIPS_RTPROC          0x70000001
594
595/* .MIPS.options section.  */
596#define PT_MIPS_OPTIONS         0x70000002
597
598/* Processor specific dynamic array tags.  */
599
600/* 32 bit version number for runtime linker interface.  */
601#define DT_MIPS_RLD_VERSION     0x70000001
602
603/* Time stamp.  */
604#define DT_MIPS_TIME_STAMP      0x70000002
605
606/* Checksum of external strings and common sizes.  */
607#define DT_MIPS_ICHECKSUM       0x70000003
608
609/* Index of version string in string table.  */
610#define DT_MIPS_IVERSION        0x70000004
611
612/* 32 bits of flags.  */
613#define DT_MIPS_FLAGS           0x70000005
614
615/* Base address of the segment.  */
616#define DT_MIPS_BASE_ADDRESS    0x70000006
617
618/* ??? */
619#define DT_MIPS_MSYM            0x70000007
620
621/* Address of .conflict section.  */
622#define DT_MIPS_CONFLICT        0x70000008
623
624/* Address of .liblist section.  */
625#define DT_MIPS_LIBLIST         0x70000009
626
627/* Number of local global offset table entries.  */
628#define DT_MIPS_LOCAL_GOTNO     0x7000000a
629
630/* Number of entries in the .conflict section.  */
631#define DT_MIPS_CONFLICTNO      0x7000000b
632
633/* Number of entries in the .liblist section.  */
634#define DT_MIPS_LIBLISTNO       0x70000010
635
636/* Number of entries in the .dynsym section.  */
637#define DT_MIPS_SYMTABNO        0x70000011
638
639/* Index of first external dynamic symbol not referenced locally.  */
640#define DT_MIPS_UNREFEXTNO      0x70000012
641
642/* Index of first dynamic symbol in global offset table.  */
643#define DT_MIPS_GOTSYM          0x70000013
644
645/* Number of page table entries in global offset table.  */
646#define DT_MIPS_HIPAGENO        0x70000014
647
648/* Address of run time loader map, used for debugging.  */
649#define DT_MIPS_RLD_MAP         0x70000016
650
651/* Delta C++ class definition.  */
652#define DT_MIPS_DELTA_CLASS     0x70000017
653
654/* Number of entries in DT_MIPS_DELTA_CLASS.  */
655#define DT_MIPS_DELTA_CLASS_NO  0x70000018
656
657/* Delta C++ class instances.  */
658#define DT_MIPS_DELTA_INSTANCE  0x70000019
659
660/* Number of entries in DT_MIPS_DELTA_INSTANCE.  */
661#define DT_MIPS_DELTA_INSTANCE_NO       0x7000001a
662
663/* Delta relocations.  */
664#define DT_MIPS_DELTA_RELOC     0x7000001b
665
666/* Number of entries in DT_MIPS_DELTA_RELOC.  */
667#define DT_MIPS_DELTA_RELOC_NO  0x7000001c
668
669/* Delta symbols that Delta relocations refer to.  */
670#define DT_MIPS_DELTA_SYM       0x7000001d
671
672/* Number of entries in DT_MIPS_DELTA_SYM.  */
673#define DT_MIPS_DELTA_SYM_NO    0x7000001e
674
675/* Delta symbols that hold class declarations.  */
676#define DT_MIPS_DELTA_CLASSSYM  0x70000020
677
678/* Number of entries in DT_MIPS_DELTA_CLASSSYM.  */
679#define DT_MIPS_DELTA_CLASSSYM_NO       0x70000021
680
681/* Flags indicating information about C++ flavor.  */
682#define DT_MIPS_CXX_FLAGS       0x70000022
683
684/* Pixie information (???).  */
685#define DT_MIPS_PIXIE_INIT      0x70000023
686
687/* Address of .MIPS.symlib */
688#define DT_MIPS_SYMBOL_LIB      0x70000024
689
690/* The GOT index of the first PTE for a segment */
691#define DT_MIPS_LOCALPAGE_GOTIDX        0x70000025
692
693/* The GOT index of the first PTE for a local symbol */
694#define DT_MIPS_LOCAL_GOTIDX    0x70000026
695
696/* The GOT index of the first PTE for a hidden symbol */
697#define DT_MIPS_HIDDEN_GOTIDX   0x70000027
698
699/* The GOT index of the first PTE for a protected symbol */
700#define DT_MIPS_PROTECTED_GOTIDX        0x70000028
701
702/* Address of `.MIPS.options'.  */
703#define DT_MIPS_OPTIONS         0x70000029
704
705/* Address of `.interface'.  */
706#define DT_MIPS_INTERFACE       0x7000002a
707
708/* ??? */
709#define DT_MIPS_DYNSTR_ALIGN    0x7000002b
710
711/* Size of the .interface section.  */
712#define DT_MIPS_INTERFACE_SIZE  0x7000002c
713
714/* Size of rld_text_resolve function stored in the GOT.  */
715#define DT_MIPS_RLD_TEXT_RESOLVE_ADDR   0x7000002d
716
717/* Default suffix of DSO to be added by rld on dlopen() calls.  */
718#define DT_MIPS_PERF_SUFFIX     0x7000002e
719
720/* Size of compact relocation section (O32).  */
721#define DT_MIPS_COMPACT_SIZE    0x7000002f
722
723/* GP value for auxiliary GOTs.  */
724#define DT_MIPS_GP_VALUE        0x70000030
725
726/* Address of auxiliary .dynamic.  */
727#define DT_MIPS_AUX_DYNAMIC     0x70000031
728
729/* Address of the base of the PLTGOT.  */
730#define DT_MIPS_PLTGOT         0x70000032
731
732/* Points to the base of a writable PLT.  */
733#define DT_MIPS_RWPLT          0x70000034
734
735/* Flags which may appear in a DT_MIPS_FLAGS entry.  */
736
737/* No flags.  */
738#define RHF_NONE                0x00000000
739
740/* Uses shortcut pointers.  */
741#define RHF_QUICKSTART          0x00000001
742
743/* Hash size is not a power of two.  */
744#define RHF_NOTPOT              0x00000002
745
746/* Ignore LD_LIBRARY_PATH.  */
747#define RHS_NO_LIBRARY_REPLACEMENT 0x00000004
748
749/* DSO address may not be relocated. */
750#define RHF_NO_MOVE             0x00000008
751
752/* SGI specific features. */
753#define RHF_SGI_ONLY            0x00000010
754
755/* Guarantee that .init will finish executing before any non-init
756   code in DSO is called. */
757#define RHF_GUARANTEE_INIT         0x00000020
758
759/* Contains Delta C++ code. */
760#define RHF_DELTA_C_PLUS_PLUS      0x00000040
761
762/* Guarantee that .init will start executing before any non-init
763   code in DSO is called. */
764#define RHF_GUARANTEE_START_INIT   0x00000080
765
766/* Generated by pixie. */
767#define RHF_PIXIE                  0x00000100
768
769/* Delay-load DSO by default. */
770#define RHF_DEFAULT_DELAY_LOAD     0x00000200
771
772/* Object may be requickstarted */
773#define RHF_REQUICKSTART           0x00000400
774
775/* Object has been requickstarted */
776#define RHF_REQUICKSTARTED         0x00000800
777
778/* Generated by cord. */
779#define RHF_CORD                   0x00001000
780
781/* Object contains no unresolved undef symbols. */
782#define RHF_NO_UNRES_UNDEF         0x00002000
783
784/* Symbol table is in a safe order. */
785#define RHF_RLD_ORDER_SAFE         0x00004000
786
787/* Special values for the st_other field in the symbol table.  These
788   are used in an Irix 5 dynamic symbol table.  */
789
790#define STO_DEFAULT             STV_DEFAULT
791#define STO_INTERNAL            STV_INTERNAL
792#define STO_HIDDEN              STV_HIDDEN
793#define STO_PROTECTED           STV_PROTECTED
794
795/* Two topmost bits denote the MIPS ISA for .text symbols:
796   + 00 -- standard MIPS code,
797   + 10 -- microMIPS code,
798   + 11 -- MIPS16 code; requires the following two bits to be set too.
799   Note that one of the MIPS16 bits overlaps with STO_MIPS_PIC.  See below
800   for details.  */
801#define STO_MIPS_ISA            (3 << 6)
802
803/* The mask spanning the rest of MIPS psABI flags.  At most one is expected
804   to be set except for STO_MIPS16.  */
805#define STO_MIPS_FLAGS          (~(STO_MIPS_ISA | ELF_ST_VISIBILITY (-1)))
806
807/* The MIPS psABI was updated in 2008 with support for PLTs and copy
808   relocs.  There are therefore two types of nonzero SHN_UNDEF functions:
809   PLT entries and traditional MIPS lazy binding stubs.  We mark the former
810   with STO_MIPS_PLT to distinguish them from the latter.  */
811#define STO_MIPS_PLT            0x8
812#define ELF_ST_IS_MIPS_PLT(other)                                       \
813  ((ELF_ST_IS_MIPS16 (other)                                            \
814    ? ((other) & (~STO_MIPS16 & STO_MIPS_FLAGS))                        \
815    : ((other) & STO_MIPS_FLAGS)) == STO_MIPS_PLT)
816#define ELF_ST_SET_MIPS_PLT(other)                                      \
817  ((ELF_ST_IS_MIPS16 (other)                                            \
818    ? ((other) & (STO_MIPS16 | ~STO_MIPS_FLAGS))                        \
819    : ((other) & ~STO_MIPS_FLAGS)) | STO_MIPS_PLT)
820
821/* This value is used to mark PIC functions in an object that mixes
822   PIC and non-PIC.  Note that this bit overlaps with STO_MIPS16,
823   although MIPS16 symbols are never considered to be MIPS_PIC.  */
824#define STO_MIPS_PIC            0x20
825#define ELF_ST_IS_MIPS_PIC(other) (((other) & STO_MIPS_FLAGS) == STO_MIPS_PIC)
826#define ELF_ST_SET_MIPS_PIC(other)                                      \
827  ((ELF_ST_IS_MIPS16 (other)                                            \
828    ? ((other) & ~(STO_MIPS16 | STO_MIPS_FLAGS))                        \
829    : ((other) & ~STO_MIPS_FLAGS)) | STO_MIPS_PIC)
830
831/* This value is used for a mips16 .text symbol.  */
832#define STO_MIPS16              0xf0
833#define ELF_ST_IS_MIPS16(other) (((other) & STO_MIPS16) == STO_MIPS16)
834#define ELF_ST_SET_MIPS16(other) ((other) | STO_MIPS16)
835
836/* This value is used for a microMIPS .text symbol.  To distinguish from
837   STO_MIPS16, we set top two bits to be 10 to denote STO_MICROMIPS.  The
838   mask is STO_MIPS_ISA.  */
839#define STO_MICROMIPS           (2 << 6)
840#define ELF_ST_IS_MICROMIPS(other) (((other) & STO_MIPS_ISA) == STO_MICROMIPS)
841#define ELF_ST_SET_MICROMIPS(other) (((other) & ~STO_MIPS_ISA) | STO_MICROMIPS)
842
843/* Whether code compression (either of the MIPS16 or the microMIPS ASEs)
844   has been indicated for a .text symbol.  */
845#define ELF_ST_IS_COMPRESSED(other) \
846  (ELF_ST_IS_MIPS16 (other) || ELF_ST_IS_MICROMIPS (other))
847
848/* This bit is used on Irix to indicate a symbol whose definition
849   is optional - if, at final link time, it cannot be found, no
850   error message should be produced.  */
851#define STO_OPTIONAL            (1 << 2)
852/* A macro to examine the STO_OPTIONAL bit.  */
853#define ELF_MIPS_IS_OPTIONAL(other)     ((other) & STO_OPTIONAL)
854
855/* The 64-bit MIPS ELF ABI uses an unusual reloc format.  Each
856   relocation entry specifies up to three actual relocations, all at
857   the same address.  The first relocation which required a symbol
858   uses the symbol in the r_sym field.  The second relocation which
859   requires a symbol uses the symbol in the r_ssym field.  If all
860   three relocations require a symbol, the third one uses a zero
861   value.  */
862
863/* An entry in a 64 bit SHT_REL section.  */
864
865typedef struct
866{
867  /* Address of relocation.  */
868  unsigned char r_offset[8];
869  /* Symbol index.  */
870  unsigned char r_sym[4];
871  /* Special symbol.  */
872  unsigned char r_ssym[1];
873  /* Third relocation.  */
874  unsigned char r_type3[1];
875  /* Second relocation.  */
876  unsigned char r_type2[1];
877  /* First relocation.  */
878  unsigned char r_type[1];
879} Elf64_Mips_External_Rel;
880
881typedef struct
882{
883  /* Address of relocation.  */
884  bfd_vma r_offset;
885  /* Symbol index.  */
886  unsigned long r_sym;
887  /* Special symbol.  */
888  unsigned char r_ssym;
889  /* Third relocation.  */
890  unsigned char r_type3;
891  /* Second relocation.  */
892  unsigned char r_type2;
893  /* First relocation.  */
894  unsigned char r_type;
895} Elf64_Mips_Internal_Rel;
896
897/* An entry in a 64 bit SHT_RELA section.  */
898
899typedef struct
900{
901  /* Address of relocation.  */
902  unsigned char r_offset[8];
903  /* Symbol index.  */
904  unsigned char r_sym[4];
905  /* Special symbol.  */
906  unsigned char r_ssym[1];
907  /* Third relocation.  */
908  unsigned char r_type3[1];
909  /* Second relocation.  */
910  unsigned char r_type2[1];
911  /* First relocation.  */
912  unsigned char r_type[1];
913  /* Addend.  */
914  unsigned char r_addend[8];
915} Elf64_Mips_External_Rela;
916
917typedef struct
918{
919  /* Address of relocation.  */
920  bfd_vma r_offset;
921  /* Symbol index.  */
922  unsigned long r_sym;
923  /* Special symbol.  */
924  unsigned char r_ssym;
925  /* Third relocation.  */
926  unsigned char r_type3;
927  /* Second relocation.  */
928  unsigned char r_type2;
929  /* First relocation.  */
930  unsigned char r_type;
931  /* Addend.  */
932  bfd_signed_vma r_addend;
933} Elf64_Mips_Internal_Rela;
934
935/* MIPS ELF 64 relocation info access macros.  */
936#define ELF64_MIPS_R_SSYM(i) (((i) >> 24) & 0xff)
937#define ELF64_MIPS_R_TYPE3(i) (((i) >> 16) & 0xff)
938#define ELF64_MIPS_R_TYPE2(i) (((i) >> 8) & 0xff)
939#define ELF64_MIPS_R_TYPE(i) ((i) & 0xff)
940
941/* Values found in the r_ssym field of a relocation entry.  */
942
943/* No relocation.  */
944#define RSS_UNDEF       0
945
946/* Value of GP.  */
947#define RSS_GP          1
948
949/* Value of GP in object being relocated.  */
950#define RSS_GP0         2
951
952/* Address of location being relocated.  */
953#define RSS_LOC         3
954
955/* A SHT_MIPS_OPTIONS section contains a series of options, each of
956   which starts with this header.  */
957
958typedef struct
959{
960  /* Type of option.  */
961  unsigned char kind[1];
962  /* Size of option descriptor, including header.  */
963  unsigned char size[1];
964  /* Section index of affected section, or 0 for global option.  */
965  unsigned char section[2];
966  /* Information specific to this kind of option.  */
967  unsigned char info[4];
968} Elf_External_Options;
969
970typedef struct
971{
972  /* Type of option.  */
973  unsigned char kind;
974  /* Size of option descriptor, including header.  */
975  unsigned char size;
976  /* Section index of affected section, or 0 for global option.  */
977  unsigned short section;
978  /* Information specific to this kind of option.  */
979  unsigned long info;
980} Elf_Internal_Options;
981
982/* MIPS ELF option header swapping routines.  */
983extern void bfd_mips_elf_swap_options_in
984  (bfd *, const Elf_External_Options *, Elf_Internal_Options *);
985extern void bfd_mips_elf_swap_options_out
986  (bfd *, const Elf_Internal_Options *, Elf_External_Options *);
987
988/* Values which may appear in the kind field of an Elf_Options
989   structure.  */
990
991/* Undefined.  */
992#define ODK_NULL        0
993
994/* Register usage and GP value.  */
995#define ODK_REGINFO     1
996
997/* Exception processing information.  */
998#define ODK_EXCEPTIONS  2
999
1000/* Section padding information.  */
1001#define ODK_PAD         3
1002
1003/* Hardware workarounds performed.  */
1004#define ODK_HWPATCH     4
1005
1006/* Fill value used by the linker.  */
1007#define ODK_FILL        5
1008
1009/* Reserved space for desktop tools.  */
1010#define ODK_TAGS        6
1011
1012/* Hardware workarounds, AND bits when merging.  */
1013#define ODK_HWAND       7
1014
1015/* Hardware workarounds, OR bits when merging.  */
1016#define ODK_HWOR        8
1017
1018/* GP group to use for text/data sections.  */
1019#define ODK_GP_GROUP    9
1020
1021/* ID information.  */
1022#define ODK_IDENT       10
1023
1024/* In the 32 bit ABI, an ODK_REGINFO option is just a Elf32_RegInfo
1025   structure.  In the 64 bit ABI, it is the following structure.  The
1026   info field of the options header is not used.  */
1027
1028typedef struct
1029{
1030  /* Mask of general purpose registers used.  */
1031  unsigned char ri_gprmask[4];
1032  /* Padding.  */
1033  unsigned char ri_pad[4];
1034  /* Mask of co-processor registers used.  */
1035  unsigned char ri_cprmask[4][4];
1036  /* GP register value for this object file.  */
1037  unsigned char ri_gp_value[8];
1038} Elf64_External_RegInfo;
1039
1040typedef struct
1041{
1042  /* Mask of general purpose registers used.  */
1043  unsigned long ri_gprmask;
1044  /* Padding.  */
1045  unsigned long ri_pad;
1046  /* Mask of co-processor registers used.  */
1047  unsigned long ri_cprmask[4];
1048  /* GP register value for this object file.  */
1049  bfd_vma ri_gp_value;
1050} Elf64_Internal_RegInfo;
1051
1052typedef struct
1053{
1054  /* The hash value computed from the name of the corresponding
1055     dynamic symbol.  */
1056  unsigned char ms_hash_value[4];
1057  /* Contains both the dynamic relocation index and the symbol flags
1058     field.  The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used
1059     to access the individual values.  The dynamic relocation index
1060     identifies the first entry in the .rel.dyn section that
1061     references the dynamic symbol corresponding to this msym entry.
1062     If the index is 0, no dynamic relocations are associated with the
1063     symbol.  The symbol flags field is reserved for future use.  */
1064  unsigned char ms_info[4];
1065} Elf32_External_Msym;
1066
1067typedef struct
1068{
1069  /* The hash value computed from the name of the corresponding
1070     dynamic symbol.  */
1071  unsigned long ms_hash_value;
1072  /* Contains both the dynamic relocation index and the symbol flags
1073     field.  The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used
1074     to access the individual values.  The dynamic relocation index
1075     identifies the first entry in the .rel.dyn section that
1076     references the dynamic symbol corresponding to this msym entry.
1077     If the index is 0, no dynamic relocations are associated with the
1078     symbol.  The symbol flags field is reserved for future use.  */
1079  unsigned long ms_info;
1080} Elf32_Internal_Msym;
1081
1082#define ELF32_MS_REL_INDEX(i) ((i) >> 8)
1083#define ELF32_MS_FLAGS(i)     (i) & 0xff)
1084#define ELF32_MS_INFO(r, f)   (((r) << 8) + ((f) & 0xff))
1085
1086/* MIPS ELF reginfo swapping routines.  */
1087extern void bfd_mips_elf64_swap_reginfo_in
1088  (bfd *, const Elf64_External_RegInfo *, Elf64_Internal_RegInfo *);
1089extern void bfd_mips_elf64_swap_reginfo_out
1090  (bfd *, const Elf64_Internal_RegInfo *, Elf64_External_RegInfo *);
1091
1092/* Masks for the info work of an ODK_EXCEPTIONS descriptor.  */
1093#define OEX_FPU_MIN     0x1f    /* FPEs which must be enabled.  */
1094#define OEX_FPU_MAX     0x1f00  /* FPEs which may be enabled.  */
1095#define OEX_PAGE0       0x10000 /* Page zero must be mapped.  */
1096#define OEX_SMM         0x20000 /* Force sequential memory mode.  */
1097#define OEX_FPDBUG      0x40000 /* Force precise floating-point
1098                                   exceptions (debug mode).  */
1099#define OEX_DISMISS     0x80000 /* Dismiss invalid address faults.  */
1100
1101/* Masks of the FP exceptions for OEX_FPU_MIN and OEX_FPU_MAX.  */
1102#define OEX_FPU_INVAL   0x10    /* Invalid operation exception.  */
1103#define OEX_FPU_DIV0    0x08    /* Division by zero exception.  */
1104#define OEX_FPU_OFLO    0x04    /* Overflow exception.  */
1105#define OEX_FPU_UFLO    0x02    /* Underflow exception.  */
1106#define OEX_FPU_INEX    0x01    /* Inexact exception.  */
1107
1108/* Masks for the info word of an ODK_PAD descriptor.  */
1109#define OPAD_PREFIX     0x01
1110#define OPAD_POSTFIX    0x02
1111#define OPAD_SYMBOL     0x04
1112
1113/* Masks for the info word of an ODK_HWPATCH descriptor.  */
1114#define OHW_R4KEOP      0x00000001      /* R4000 end-of-page patch.  */
1115#define OHW_R8KPFETCH   0x00000002      /* May need R8000 prefetch patch.  */
1116#define OHW_R5KEOP      0x00000004      /* R5000 end-of-page patch.  */
1117#define OHW_R5KCVTL     0x00000008      /* R5000 cvt.[ds].l bug
1118                                           (clean == 1).  */
1119#define OHW_R10KLDL     0x00000010      /* Needs R10K misaligned
1120                                           load patch. */
1121
1122/* Masks for the info word of an ODK_IDENT/ODK_GP_GROUP descriptor.  */
1123#define OGP_GROUP       0x0000ffff      /* GP group number.  */
1124#define OGP_SELF        0xffff0000      /* Self-contained GP groups.  */
1125
1126/* Masks for the info word of an ODK_HWAND/ODK_HWOR descriptor.  */
1127#define OHWA0_R4KEOP_CHECKED    0x00000001
1128#define OHWA0_R4KEOP_CLEAN      0x00000002
1129
1130
1131/* Object attribute tags.  */
1132enum
1133{
1134  /* 0-3 are generic.  */
1135
1136  /* Floating-point ABI used by this object file.  */
1137  Tag_GNU_MIPS_ABI_FP = 4,
1138
1139  /* MSA ABI used by this object file.  */
1140  Tag_GNU_MIPS_ABI_MSA = 8,
1141};
1142
1143/* Object attribute values.  */
1144enum
1145{
1146  /* Values defined for Tag_GNU_MIPS_ABI_FP.  */
1147
1148  /* Not tagged or not using any ABIs affected by the differences.  */
1149  Val_GNU_MIPS_ABI_FP_ANY = 0,
1150
1151  /* Using hard-float -mdouble-float.  */
1152  Val_GNU_MIPS_ABI_FP_DOUBLE = 1,
1153
1154  /* Using hard-float -msingle-float.  */
1155  Val_GNU_MIPS_ABI_FP_SINGLE = 2,
1156
1157  /* Using soft-float.  */
1158  Val_GNU_MIPS_ABI_FP_SOFT = 3,
1159
1160  /* Using -mips32r2 -mfp64.  */
1161  Val_GNU_MIPS_ABI_FP_64 = 4,
1162
1163  /* Values defined for Tag_GNU_MIPS_ABI_MSA.  */
1164
1165  /* Not tagged or not using any ABIs affected by the differences.  */
1166  Val_GNU_MIPS_ABI_MSA_ANY = 0,
1167
1168  /* Using 128-bit MSA.  */
1169  Val_GNU_MIPS_ABI_MSA_128 = 1,
1170};
1171
1172#endif /* _ELF_MIPS_H */
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