1 /* MIPS ELF support for BFD.
2 Copyright (C) 1993-2017 Free Software Foundation, Inc.
4 By Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>, from
5 information in the System V Application Binary Interface, MIPS
8 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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. */
25 /* This file holds definitions specific to the MIPS ELF ABI. Note
26 that most of this is not actually implemented by BFD. */
31 #include "elf/reloc-macros.h"
37 /* Relocation types. */
38 START_RELOC_NUMBERS (elf_mips_reloc_type)
39 RELOC_NUMBER (R_MIPS_NONE, 0)
40 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 RELOC_NUMBER (R_MIPS_26, 4)
44 RELOC_NUMBER (R_MIPS_HI16, 5)
45 RELOC_NUMBER (R_MIPS_LO16, 6)
46 RELOC_NUMBER (R_MIPS_GPREL16, 7) /* In Elf 64: alias R_MIPS_GPREL */
47 RELOC_NUMBER (R_MIPS_LITERAL, 8)
48 RELOC_NUMBER (R_MIPS_GOT16, 9) /* In Elf 64: alias R_MIPS_GOT */
49 RELOC_NUMBER (R_MIPS_PC16, 10)
50 RELOC_NUMBER (R_MIPS_CALL16, 11) /* In Elf 64: alias R_MIPS_CALL */
51 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 RELOC_NUMBER (R_MIPS_UNUSED1, 13)
55 RELOC_NUMBER (R_MIPS_UNUSED2, 14)
56 RELOC_NUMBER (R_MIPS_UNUSED3, 15)
57 RELOC_NUMBER (R_MIPS_SHIFT5, 16)
58 RELOC_NUMBER (R_MIPS_SHIFT6, 17)
59 RELOC_NUMBER (R_MIPS_64, 18)
60 RELOC_NUMBER (R_MIPS_GOT_DISP, 19)
61 RELOC_NUMBER (R_MIPS_GOT_PAGE, 20)
62 RELOC_NUMBER (R_MIPS_GOT_OFST, 21)
63 RELOC_NUMBER (R_MIPS_GOT_HI16, 22)
64 RELOC_NUMBER (R_MIPS_GOT_LO16, 23)
65 RELOC_NUMBER (R_MIPS_SUB, 24)
66 RELOC_NUMBER (R_MIPS_INSERT_A, 25)
67 RELOC_NUMBER (R_MIPS_INSERT_B, 26)
68 RELOC_NUMBER (R_MIPS_DELETE, 27)
69 RELOC_NUMBER (R_MIPS_HIGHER, 28)
70 RELOC_NUMBER (R_MIPS_HIGHEST, 29)
71 RELOC_NUMBER (R_MIPS_CALL_HI16, 30)
72 RELOC_NUMBER (R_MIPS_CALL_LO16, 31)
73 RELOC_NUMBER (R_MIPS_SCN_DISP, 32)
74 RELOC_NUMBER (R_MIPS_REL16, 33)
75 RELOC_NUMBER (R_MIPS_ADD_IMMEDIATE, 34)
76 RELOC_NUMBER (R_MIPS_PJUMP, 35)
77 RELOC_NUMBER (R_MIPS_RELGOT, 36)
78 RELOC_NUMBER (R_MIPS_JALR, 37)
79 /* TLS relocations. */
80 RELOC_NUMBER (R_MIPS_TLS_DTPMOD32, 38)
81 RELOC_NUMBER (R_MIPS_TLS_DTPREL32, 39)
82 RELOC_NUMBER (R_MIPS_TLS_DTPMOD64, 40)
83 RELOC_NUMBER (R_MIPS_TLS_DTPREL64, 41)
84 RELOC_NUMBER (R_MIPS_TLS_GD, 42)
85 RELOC_NUMBER (R_MIPS_TLS_LDM, 43)
86 RELOC_NUMBER (R_MIPS_TLS_DTPREL_HI16, 44)
87 RELOC_NUMBER (R_MIPS_TLS_DTPREL_LO16, 45)
88 RELOC_NUMBER (R_MIPS_TLS_GOTTPREL, 46)
89 RELOC_NUMBER (R_MIPS_TLS_TPREL32, 47)
90 RELOC_NUMBER (R_MIPS_TLS_TPREL64, 48)
91 RELOC_NUMBER (R_MIPS_TLS_TPREL_HI16, 49)
92 RELOC_NUMBER (R_MIPS_TLS_TPREL_LO16, 50)
93 RELOC_NUMBER (R_MIPS_GLOB_DAT, 51)
95 RELOC_NUMBER (R_MIPS_PC21_S2, 60)
96 RELOC_NUMBER (R_MIPS_PC26_S2, 61)
97 RELOC_NUMBER (R_MIPS_PC18_S3, 62)
98 RELOC_NUMBER (R_MIPS_PC19_S2, 63)
99 RELOC_NUMBER (R_MIPS_PCHI16, 64)
100 RELOC_NUMBER (R_MIPS_PCLO16, 65)
101 FAKE_RELOC (R_MIPS_max, 66)
102 /* These relocs are used for the mips16. */
103 FAKE_RELOC (R_MIPS16_min, 100)
104 RELOC_NUMBER (R_MIPS16_26, 100)
105 RELOC_NUMBER (R_MIPS16_GPREL, 101)
106 RELOC_NUMBER (R_MIPS16_GOT16, 102)
107 RELOC_NUMBER (R_MIPS16_CALL16, 103)
108 RELOC_NUMBER (R_MIPS16_HI16, 104)
109 RELOC_NUMBER (R_MIPS16_LO16, 105)
110 RELOC_NUMBER (R_MIPS16_TLS_GD, 106)
111 RELOC_NUMBER (R_MIPS16_TLS_LDM, 107)
112 RELOC_NUMBER (R_MIPS16_TLS_DTPREL_HI16, 108)
113 RELOC_NUMBER (R_MIPS16_TLS_DTPREL_LO16, 109)
114 RELOC_NUMBER (R_MIPS16_TLS_GOTTPREL, 110)
115 RELOC_NUMBER (R_MIPS16_TLS_TPREL_HI16, 111)
116 RELOC_NUMBER (R_MIPS16_TLS_TPREL_LO16, 112)
117 RELOC_NUMBER (R_MIPS16_PC16_S1, 113)
118 FAKE_RELOC (R_MIPS16_max, 114)
119 /* These relocations are specific to VxWorks. */
120 RELOC_NUMBER (R_MIPS_COPY, 126)
121 RELOC_NUMBER (R_MIPS_JUMP_SLOT, 127)
123 /* These relocations are specific to microMIPS. */
124 FAKE_RELOC (R_MICROMIPS_min, 130)
125 RELOC_NUMBER (R_MICROMIPS_26_S1, 133)
126 RELOC_NUMBER (R_MICROMIPS_HI16, 134)
127 RELOC_NUMBER (R_MICROMIPS_LO16, 135)
128 RELOC_NUMBER (R_MICROMIPS_GPREL16, 136) /* In Elf 64:
129 alias R_MICROMIPS_GPREL */
130 RELOC_NUMBER (R_MICROMIPS_LITERAL, 137)
131 RELOC_NUMBER (R_MICROMIPS_GOT16, 138) /* In Elf 64:
132 alias R_MICROMIPS_GOT */
133 RELOC_NUMBER (R_MICROMIPS_PC7_S1, 139)
134 RELOC_NUMBER (R_MICROMIPS_PC10_S1, 140)
135 RELOC_NUMBER (R_MICROMIPS_PC16_S1, 141)
136 RELOC_NUMBER (R_MICROMIPS_CALL16, 142) /* In Elf 64:
137 alias R_MICROMIPS_CALL */
138 RELOC_NUMBER (R_MICROMIPS_GOT_DISP, 145)
139 RELOC_NUMBER (R_MICROMIPS_GOT_PAGE, 146)
140 RELOC_NUMBER (R_MICROMIPS_GOT_OFST, 147)
141 RELOC_NUMBER (R_MICROMIPS_GOT_HI16, 148)
142 RELOC_NUMBER (R_MICROMIPS_GOT_LO16, 149)
143 RELOC_NUMBER (R_MICROMIPS_SUB, 150)
144 RELOC_NUMBER (R_MICROMIPS_HIGHER, 151)
145 RELOC_NUMBER (R_MICROMIPS_HIGHEST, 152)
146 RELOC_NUMBER (R_MICROMIPS_CALL_HI16, 153)
147 RELOC_NUMBER (R_MICROMIPS_CALL_LO16, 154)
148 RELOC_NUMBER (R_MICROMIPS_SCN_DISP, 155)
149 RELOC_NUMBER (R_MICROMIPS_JALR, 156)
150 RELOC_NUMBER (R_MICROMIPS_HI0_LO16, 157)
151 /* TLS relocations. */
152 RELOC_NUMBER (R_MICROMIPS_TLS_GD, 162)
153 RELOC_NUMBER (R_MICROMIPS_TLS_LDM, 163)
154 RELOC_NUMBER (R_MICROMIPS_TLS_DTPREL_HI16, 164)
155 RELOC_NUMBER (R_MICROMIPS_TLS_DTPREL_LO16, 165)
156 RELOC_NUMBER (R_MICROMIPS_TLS_GOTTPREL, 166)
157 RELOC_NUMBER (R_MICROMIPS_TLS_TPREL_HI16, 169)
158 RELOC_NUMBER (R_MICROMIPS_TLS_TPREL_LO16, 170)
159 /* microMIPS GP- and PC-relative relocations. */
160 RELOC_NUMBER (R_MICROMIPS_GPREL7_S2, 172)
161 RELOC_NUMBER (R_MICROMIPS_PC23_S2, 173)
162 FAKE_RELOC (R_MICROMIPS_max, 174)
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 RELOC_NUMBER (R_MIPS_PC32, 248)
168 RELOC_NUMBER (R_MIPS_EH, 249)
169 /* FIXME: this relocation is used internally by gas. */
170 RELOC_NUMBER (R_MIPS_GNU_REL16_S2, 250)
171 /* These are GNU extensions to enable C++ vtable garbage collection. */
172 RELOC_NUMBER (R_MIPS_GNU_VTINHERIT, 253)
173 RELOC_NUMBER (R_MIPS_GNU_VTENTRY, 254)
174 END_RELOC_NUMBERS (R_MIPS_maxext)
176 /* Processor specific flags for the ELF header e_flags field. */
178 /* At least one .noreorder directive appears in the source. */
179 #define EF_MIPS_NOREORDER 0x00000001
181 /* File contains position independent code. */
182 #define EF_MIPS_PIC 0x00000002
184 /* Code in file uses the standard calling sequence for calling
185 position independent code. */
186 #define EF_MIPS_CPIC 0x00000004
188 /* ??? Unknown flag, set in IRIX 6's BSDdup2.o in libbsd.a. */
189 #define EF_MIPS_XGOT 0x00000008
191 /* Code in file uses UCODE (obsolete) */
192 #define EF_MIPS_UCODE 0x00000010
194 /* Code in file uses new ABI (-n32 on Irix 6). */
195 #define EF_MIPS_ABI2 0x00000020
197 /* Process the .MIPS.options section first by ld */
198 #define EF_MIPS_OPTIONS_FIRST 0x00000080
200 /* Indicates code compiled for a 64-bit machine in 32-bit mode
201 (regs are 32-bits wide). */
202 #define EF_MIPS_32BITMODE 0x00000100
204 /* 32-bit machine but FP registers are 64 bit (-mfp64). */
205 #define EF_MIPS_FP64 0x00000200
207 /* Code in file uses the IEEE 754-2008 NaN encoding convention. */
208 #define EF_MIPS_NAN2008 0x00000400
210 /* Architectural Extensions used by this file */
211 #define EF_MIPS_ARCH_ASE 0x0f000000
213 /* Use MDMX multimedia extensions */
214 #define EF_MIPS_ARCH_ASE_MDMX 0x08000000
216 /* Use MIPS-16 ISA extensions */
217 #define EF_MIPS_ARCH_ASE_M16 0x04000000
219 /* Use MICROMIPS ISA extensions. */
220 #define EF_MIPS_ARCH_ASE_MICROMIPS 0x02000000
222 /* Four bit MIPS architecture field. */
223 #define EF_MIPS_ARCH 0xf0000000
226 #define E_MIPS_ARCH_1 0x00000000
229 #define E_MIPS_ARCH_2 0x10000000
232 #define E_MIPS_ARCH_3 0x20000000
235 #define E_MIPS_ARCH_4 0x30000000
238 #define E_MIPS_ARCH_5 0x40000000
241 #define E_MIPS_ARCH_32 0x50000000
244 #define E_MIPS_ARCH_64 0x60000000
246 /* -mips32r2 code. */
247 #define E_MIPS_ARCH_32R2 0x70000000
249 /* -mips64r2 code. */
250 #define E_MIPS_ARCH_64R2 0x80000000
252 /* -mips32r6 code. */
253 #define E_MIPS_ARCH_32R6 0x90000000
255 /* -mips64r6 code. */
256 #define E_MIPS_ARCH_64R6 0xa0000000
258 /* The ABI of the file. Also see EF_MIPS_ABI2 above. */
259 #define EF_MIPS_ABI 0x0000F000
261 /* The original o32 abi. */
262 #define E_MIPS_ABI_O32 0x00001000
264 /* O32 extended to work on 64 bit architectures */
265 #define E_MIPS_ABI_O64 0x00002000
267 /* EABI in 32 bit mode */
268 #define E_MIPS_ABI_EABI32 0x00003000
270 /* EABI in 64 bit mode */
271 #define E_MIPS_ABI_EABI64 0x00004000
274 /* Machine variant if we know it. This field was invented at Cygnus,
275 but it is hoped that other vendors will adopt it. If some standard
276 is developed, this code should be changed to follow it. */
278 #define EF_MIPS_MACH 0x00FF0000
280 /* Cygnus is choosing values between 80 and 9F;
281 00 - 7F should be left for a future standard;
282 the rest are open. */
284 #define E_MIPS_MACH_3900 0x00810000
285 #define E_MIPS_MACH_4010 0x00820000
286 #define E_MIPS_MACH_4100 0x00830000
287 #define E_MIPS_MACH_4650 0x00850000
288 #define E_MIPS_MACH_4120 0x00870000
289 #define E_MIPS_MACH_4111 0x00880000
290 #define E_MIPS_MACH_SB1 0x008a0000
291 #define E_MIPS_MACH_OCTEON 0x008b0000
292 #define E_MIPS_MACH_XLR 0x008c0000
293 #define E_MIPS_MACH_OCTEON2 0x008d0000
294 #define E_MIPS_MACH_OCTEON3 0x008e0000
295 #define E_MIPS_MACH_5400 0x00910000
296 #define E_MIPS_MACH_5900 0x00920000
297 #define E_MIPS_MACH_IAMR2 0x00930000
298 #define E_MIPS_MACH_5500 0x00980000
299 #define E_MIPS_MACH_9000 0x00990000
300 #define E_MIPS_MACH_LS2E 0x00A00000
301 #define E_MIPS_MACH_LS2F 0x00A10000
302 #define E_MIPS_MACH_LS3A 0x00A20000
304 /* Processor specific section indices. These sections do not actually
305 exist. Symbols with a st_shndx field corresponding to one of these
306 values have a special meaning. */
308 /* Defined and allocated common symbol. Value is virtual address. If
309 relocated, alignment must be preserved. */
310 #define SHN_MIPS_ACOMMON SHN_LORESERVE
312 /* Defined and allocated text symbol. Value is virtual address.
313 Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables. */
314 #define SHN_MIPS_TEXT (SHN_LORESERVE + 1)
316 /* Defined and allocated data symbol. Value is virtual address.
317 Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables. */
318 #define SHN_MIPS_DATA (SHN_LORESERVE + 2)
320 /* Small common symbol. */
321 #define SHN_MIPS_SCOMMON (SHN_LORESERVE + 3)
323 /* Small undefined symbol. */
324 #define SHN_MIPS_SUNDEFINED (SHN_LORESERVE + 4)
326 /* Processor specific section types. */
328 /* Section contains the set of dynamic shared objects used when
329 statically linking. */
330 #define SHT_MIPS_LIBLIST 0x70000000
332 /* I'm not sure what this is, but it's used on Irix 5. */
333 #define SHT_MIPS_MSYM 0x70000001
335 /* Section contains list of symbols whose definitions conflict with
336 symbols defined in shared objects. */
337 #define SHT_MIPS_CONFLICT 0x70000002
339 /* Section contains the global pointer table. */
340 #define SHT_MIPS_GPTAB 0x70000003
342 /* Section contains microcode information. The exact format is
344 #define SHT_MIPS_UCODE 0x70000004
346 /* Section contains some sort of debugging information. The exact
347 format is unspecified. It's probably ECOFF symbols. */
348 #define SHT_MIPS_DEBUG 0x70000005
350 /* Section contains register usage information. */
351 #define SHT_MIPS_REGINFO 0x70000006
354 #define SHT_MIPS_PACKAGE 0x70000007
357 #define SHT_MIPS_PACKSYM 0x70000008
360 #define SHT_MIPS_RELD 0x70000009
362 /* Section contains interface information. */
363 #define SHT_MIPS_IFACE 0x7000000b
365 /* Section contains description of contents of another section. */
366 #define SHT_MIPS_CONTENT 0x7000000c
368 /* Section contains miscellaneous options. */
369 #define SHT_MIPS_OPTIONS 0x7000000d
372 #define SHT_MIPS_SHDR 0x70000010
375 #define SHT_MIPS_FDESC 0x70000011
378 #define SHT_MIPS_EXTSYM 0x70000012
381 #define SHT_MIPS_DENSE 0x70000013
384 #define SHT_MIPS_PDESC 0x70000014
387 #define SHT_MIPS_LOCSYM 0x70000015
390 #define SHT_MIPS_AUXSYM 0x70000016
393 #define SHT_MIPS_OPTSYM 0x70000017
396 #define SHT_MIPS_LOCSTR 0x70000018
399 #define SHT_MIPS_LINE 0x70000019
402 #define SHT_MIPS_RFDESC 0x7000001a
404 /* Delta C++: symbol table */
405 #define SHT_MIPS_DELTASYM 0x7000001b
407 /* Delta C++: instance table */
408 #define SHT_MIPS_DELTAINST 0x7000001c
410 /* Delta C++: class table */
411 #define SHT_MIPS_DELTACLASS 0x7000001d
413 /* DWARF debugging section. */
414 #define SHT_MIPS_DWARF 0x7000001e
416 /* Delta C++: declarations */
417 #define SHT_MIPS_DELTADECL 0x7000001f
419 /* List of libraries the binary depends on. Includes a time stamp, version
421 #define SHT_MIPS_SYMBOL_LIB 0x70000020
423 /* Events section. */
424 #define SHT_MIPS_EVENTS 0x70000021
427 #define SHT_MIPS_TRANSLATE 0x70000022
429 /* Special pixie sections */
430 #define SHT_MIPS_PIXIE 0x70000023
432 /* Address translation table (for debug info) */
433 #define SHT_MIPS_XLATE 0x70000024
435 /* SGI internal address translation table (for debug info) */
436 #define SHT_MIPS_XLATE_DEBUG 0x70000025
438 /* Intermediate code */
439 #define SHT_MIPS_WHIRL 0x70000026
441 /* C++ exception handling region info */
442 #define SHT_MIPS_EH_REGION 0x70000027
444 /* Obsolete address translation table (for debug info) */
445 #define SHT_MIPS_XLATE_OLD 0x70000028
447 /* Runtime procedure descriptor table exception information (ucode) ??? */
448 #define SHT_MIPS_PDR_EXCEPTION 0x70000029
450 /* ABI related flags section. */
451 #define SHT_MIPS_ABIFLAGS 0x7000002a
453 /* A section of type SHT_MIPS_LIBLIST contains an array of the
454 following structure. The sh_link field is the section index of the
455 string table. The sh_info field is the number of entries in the
459 /* String table index for name of shared object. */
460 unsigned long l_name;
462 unsigned long l_time_stamp;
463 /* Checksum of symbol names and common sizes. */
464 unsigned long l_checksum;
465 /* String table index for version. */
466 unsigned long l_version;
468 unsigned long l_flags;
471 /* The external version of Elf32_Lib. */
474 unsigned char l_name[4];
475 unsigned char l_time_stamp[4];
476 unsigned char l_checksum[4];
477 unsigned char l_version[4];
478 unsigned char l_flags[4];
479 } Elf32_External_Lib;
481 /* The l_flags field of an Elf32_Lib structure may contain the
484 /* Require an exact match at runtime. */
485 #define LL_EXACT_MATCH 0x00000001
487 /* Ignore version incompatibilities at runtime. */
488 #define LL_IGNORE_INT_VER 0x00000002
490 /* Require matching minor version number. */
491 #define LL_REQUIRE_MINOR 0x00000004
494 #define LL_EXPORTS 0x00000008
496 /* Delay loading of this library until really needed. */
497 #define LL_DELAY_LOAD 0x00000010
499 /* ??? Delta C++ stuff ??? */
500 #define LL_DELTA 0x00000020
503 /* A section of type SHT_MIPS_CONFLICT is an array of indices into the
504 .dynsym section. Each element has the following type. */
505 typedef unsigned long Elf32_Conflict;
506 typedef unsigned char Elf32_External_Conflict[4];
508 typedef unsigned long Elf64_Conflict;
509 typedef unsigned char Elf64_External_Conflict[8];
511 /* A section of type SHT_MIPS_GPTAB contains information about how
512 much GP space would be required for different -G arguments. This
513 information is only used so that the linker can provide informative
514 suggestions as to the best -G value to use. The sh_info field is
515 the index of the section for which this information applies. The
516 contents of the section are an array of the following union. The
517 first element uses the gt_header field. The remaining elements use
518 the gt_entry field. */
523 /* -G value actually used for this object file. */
524 unsigned long gt_current_g_value;
526 unsigned long gt_unused;
530 /* If this -G argument has been used... */
531 unsigned long gt_g_value;
532 /* ...this many GP section bytes would be required. */
533 unsigned long gt_bytes;
537 /* The external version of Elf32_gptab. */
543 unsigned char gt_current_g_value[4];
544 unsigned char gt_unused[4];
548 unsigned char gt_g_value[4];
549 unsigned char gt_bytes[4];
551 } Elf32_External_gptab;
553 /* A section of type SHT_MIPS_REGINFO contains the following
557 /* Mask of general purpose registers used. */
558 unsigned long ri_gprmask;
559 /* Mask of co-processor registers used. */
560 unsigned long ri_cprmask[4];
561 /* GP register value for this object file. */
565 /* The external version of the Elf_RegInfo structure. */
568 unsigned char ri_gprmask[4];
569 unsigned char ri_cprmask[4][4];
570 unsigned char ri_gp_value[4];
571 } Elf32_External_RegInfo;
573 /* MIPS ELF .reginfo swapping routines. */
574 extern void bfd_mips_elf32_swap_reginfo_in
575 (bfd *, const Elf32_External_RegInfo *, Elf32_RegInfo *);
576 extern void bfd_mips_elf32_swap_reginfo_out
577 (bfd *, const Elf32_RegInfo *, Elf32_External_RegInfo *);
579 /* Processor specific section flags. */
581 /* This section must be in the global data area. */
582 #define SHF_MIPS_GPREL 0x10000000
584 /* This section should be merged. */
585 #define SHF_MIPS_MERGE 0x20000000
587 /* This section contains address data of size implied by section
589 #define SHF_MIPS_ADDR 0x40000000
591 /* This section contains string data. */
592 #define SHF_MIPS_STRING 0x80000000
594 /* This section may not be stripped. */
595 #define SHF_MIPS_NOSTRIP 0x08000000
597 /* This section is local to threads. */
598 #define SHF_MIPS_LOCAL 0x04000000
600 /* Linker should generate implicit weak names for this section. */
601 #define SHF_MIPS_NAMES 0x02000000
603 /* Section contais text/data which may be replicated in other sections.
604 Linker should retain only one copy. */
605 #define SHF_MIPS_NODUPES 0x01000000
607 /* Processor specific program header types. */
609 /* Register usage information. Identifies one .reginfo section. */
610 #define PT_MIPS_REGINFO 0x70000000
612 /* Runtime procedure table. */
613 #define PT_MIPS_RTPROC 0x70000001
615 /* .MIPS.options section. */
616 #define PT_MIPS_OPTIONS 0x70000002
618 /* Records ABI related flags. */
619 #define PT_MIPS_ABIFLAGS 0x70000003
621 /* Processor specific dynamic array tags. */
623 /* 32 bit version number for runtime linker interface. */
624 #define DT_MIPS_RLD_VERSION 0x70000001
627 #define DT_MIPS_TIME_STAMP 0x70000002
629 /* Checksum of external strings and common sizes. */
630 #define DT_MIPS_ICHECKSUM 0x70000003
632 /* Index of version string in string table. */
633 #define DT_MIPS_IVERSION 0x70000004
635 /* 32 bits of flags. */
636 #define DT_MIPS_FLAGS 0x70000005
638 /* Base address of the segment. */
639 #define DT_MIPS_BASE_ADDRESS 0x70000006
642 #define DT_MIPS_MSYM 0x70000007
644 /* Address of .conflict section. */
645 #define DT_MIPS_CONFLICT 0x70000008
647 /* Address of .liblist section. */
648 #define DT_MIPS_LIBLIST 0x70000009
650 /* Number of local global offset table entries. */
651 #define DT_MIPS_LOCAL_GOTNO 0x7000000a
653 /* Number of entries in the .conflict section. */
654 #define DT_MIPS_CONFLICTNO 0x7000000b
656 /* Number of entries in the .liblist section. */
657 #define DT_MIPS_LIBLISTNO 0x70000010
659 /* Number of entries in the .dynsym section. */
660 #define DT_MIPS_SYMTABNO 0x70000011
662 /* Index of first external dynamic symbol not referenced locally. */
663 #define DT_MIPS_UNREFEXTNO 0x70000012
665 /* Index of first dynamic symbol in global offset table. */
666 #define DT_MIPS_GOTSYM 0x70000013
668 /* Number of page table entries in global offset table. */
669 #define DT_MIPS_HIPAGENO 0x70000014
671 /* Address of run time loader map, used for debugging. */
672 #define DT_MIPS_RLD_MAP 0x70000016
674 /* Delta C++ class definition. */
675 #define DT_MIPS_DELTA_CLASS 0x70000017
677 /* Number of entries in DT_MIPS_DELTA_CLASS. */
678 #define DT_MIPS_DELTA_CLASS_NO 0x70000018
680 /* Delta C++ class instances. */
681 #define DT_MIPS_DELTA_INSTANCE 0x70000019
683 /* Number of entries in DT_MIPS_DELTA_INSTANCE. */
684 #define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a
686 /* Delta relocations. */
687 #define DT_MIPS_DELTA_RELOC 0x7000001b
689 /* Number of entries in DT_MIPS_DELTA_RELOC. */
690 #define DT_MIPS_DELTA_RELOC_NO 0x7000001c
692 /* Delta symbols that Delta relocations refer to. */
693 #define DT_MIPS_DELTA_SYM 0x7000001d
695 /* Number of entries in DT_MIPS_DELTA_SYM. */
696 #define DT_MIPS_DELTA_SYM_NO 0x7000001e
698 /* Delta symbols that hold class declarations. */
699 #define DT_MIPS_DELTA_CLASSSYM 0x70000020
701 /* Number of entries in DT_MIPS_DELTA_CLASSSYM. */
702 #define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021
704 /* Flags indicating information about C++ flavor. */
705 #define DT_MIPS_CXX_FLAGS 0x70000022
707 /* Pixie information (???). */
708 #define DT_MIPS_PIXIE_INIT 0x70000023
710 /* Address of .MIPS.symlib */
711 #define DT_MIPS_SYMBOL_LIB 0x70000024
713 /* The GOT index of the first PTE for a segment */
714 #define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025
716 /* The GOT index of the first PTE for a local symbol */
717 #define DT_MIPS_LOCAL_GOTIDX 0x70000026
719 /* The GOT index of the first PTE for a hidden symbol */
720 #define DT_MIPS_HIDDEN_GOTIDX 0x70000027
722 /* The GOT index of the first PTE for a protected symbol */
723 #define DT_MIPS_PROTECTED_GOTIDX 0x70000028
725 /* Address of `.MIPS.options'. */
726 #define DT_MIPS_OPTIONS 0x70000029
728 /* Address of `.interface'. */
729 #define DT_MIPS_INTERFACE 0x7000002a
732 #define DT_MIPS_DYNSTR_ALIGN 0x7000002b
734 /* Size of the .interface section. */
735 #define DT_MIPS_INTERFACE_SIZE 0x7000002c
737 /* Size of rld_text_resolve function stored in the GOT. */
738 #define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d
740 /* Default suffix of DSO to be added by rld on dlopen() calls. */
741 #define DT_MIPS_PERF_SUFFIX 0x7000002e
743 /* Size of compact relocation section (O32). */
744 #define DT_MIPS_COMPACT_SIZE 0x7000002f
746 /* GP value for auxiliary GOTs. */
747 #define DT_MIPS_GP_VALUE 0x70000030
749 /* Address of auxiliary .dynamic. */
750 #define DT_MIPS_AUX_DYNAMIC 0x70000031
752 /* Address of the base of the PLTGOT. */
753 #define DT_MIPS_PLTGOT 0x70000032
755 /* Points to the base of a writable PLT. */
756 #define DT_MIPS_RWPLT 0x70000034
758 /* Relative offset of run time loader map, used for debugging. */
759 #define DT_MIPS_RLD_MAP_REL 0x70000035
761 /* Flags which may appear in a DT_MIPS_FLAGS entry. */
764 #define RHF_NONE 0x00000000
766 /* Uses shortcut pointers. */
767 #define RHF_QUICKSTART 0x00000001
769 /* Hash size is not a power of two. */
770 #define RHF_NOTPOT 0x00000002
772 /* Ignore LD_LIBRARY_PATH. */
773 #define RHS_NO_LIBRARY_REPLACEMENT 0x00000004
775 /* DSO address may not be relocated. */
776 #define RHF_NO_MOVE 0x00000008
778 /* SGI specific features. */
779 #define RHF_SGI_ONLY 0x00000010
781 /* Guarantee that .init will finish executing before any non-init
782 code in DSO is called. */
783 #define RHF_GUARANTEE_INIT 0x00000020
785 /* Contains Delta C++ code. */
786 #define RHF_DELTA_C_PLUS_PLUS 0x00000040
788 /* Guarantee that .init will start executing before any non-init
789 code in DSO is called. */
790 #define RHF_GUARANTEE_START_INIT 0x00000080
792 /* Generated by pixie. */
793 #define RHF_PIXIE 0x00000100
795 /* Delay-load DSO by default. */
796 #define RHF_DEFAULT_DELAY_LOAD 0x00000200
798 /* Object may be requickstarted */
799 #define RHF_REQUICKSTART 0x00000400
801 /* Object has been requickstarted */
802 #define RHF_REQUICKSTARTED 0x00000800
804 /* Generated by cord. */
805 #define RHF_CORD 0x00001000
807 /* Object contains no unresolved undef symbols. */
808 #define RHF_NO_UNRES_UNDEF 0x00002000
810 /* Symbol table is in a safe order. */
811 #define RHF_RLD_ORDER_SAFE 0x00004000
813 /* Special values for the st_other field in the symbol table. These
814 are used in an Irix 5 dynamic symbol table. */
816 #define STO_DEFAULT STV_DEFAULT
817 #define STO_INTERNAL STV_INTERNAL
818 #define STO_HIDDEN STV_HIDDEN
819 #define STO_PROTECTED STV_PROTECTED
821 /* Two topmost bits denote the MIPS ISA for .text symbols:
822 + 00 -- standard MIPS code,
823 + 10 -- microMIPS code,
824 + 11 -- MIPS16 code; requires the following two bits to be set too.
825 Note that one of the MIPS16 bits overlaps with STO_MIPS_PIC. See below
827 #define STO_MIPS_ISA (3 << 6)
829 /* The mask spanning the rest of MIPS psABI flags. At most one is expected
830 to be set except for STO_MIPS16. */
831 #define STO_MIPS_FLAGS (~(STO_MIPS_ISA | ELF_ST_VISIBILITY (-1)))
833 /* The MIPS psABI was updated in 2008 with support for PLTs and copy
834 relocs. There are therefore two types of nonzero SHN_UNDEF functions:
835 PLT entries and traditional MIPS lazy binding stubs. We mark the former
836 with STO_MIPS_PLT to distinguish them from the latter. */
837 #define STO_MIPS_PLT 0x8
838 #define ELF_ST_IS_MIPS_PLT(other) \
839 ((ELF_ST_IS_MIPS16 (other) \
840 ? ((other) & (~STO_MIPS16 & STO_MIPS_FLAGS)) \
841 : ((other) & STO_MIPS_FLAGS)) == STO_MIPS_PLT)
842 #define ELF_ST_SET_MIPS_PLT(other) \
843 ((ELF_ST_IS_MIPS16 (other) \
844 ? ((other) & (STO_MIPS16 | ~STO_MIPS_FLAGS)) \
845 : ((other) & ~STO_MIPS_FLAGS)) | STO_MIPS_PLT)
847 /* This value is used to mark PIC functions in an object that mixes
848 PIC and non-PIC. Note that this bit overlaps with STO_MIPS16,
849 although MIPS16 symbols are never considered to be MIPS_PIC. */
850 #define STO_MIPS_PIC 0x20
851 #define ELF_ST_IS_MIPS_PIC(other) (((other) & STO_MIPS_FLAGS) == STO_MIPS_PIC)
852 #define ELF_ST_SET_MIPS_PIC(other) \
853 ((ELF_ST_IS_MIPS16 (other) \
854 ? ((other) & ~(STO_MIPS16 | STO_MIPS_FLAGS)) \
855 : ((other) & ~STO_MIPS_FLAGS)) | STO_MIPS_PIC)
857 /* This value is used for a mips16 .text symbol. */
858 #define STO_MIPS16 0xf0
859 #define ELF_ST_IS_MIPS16(other) (((other) & STO_MIPS16) == STO_MIPS16)
860 #define ELF_ST_SET_MIPS16(other) ((other) | STO_MIPS16)
862 /* This value is used for a microMIPS .text symbol. To distinguish from
863 STO_MIPS16, we set top two bits to be 10 to denote STO_MICROMIPS. The
864 mask is STO_MIPS_ISA. */
865 #define STO_MICROMIPS (2 << 6)
866 #define ELF_ST_IS_MICROMIPS(other) (((other) & STO_MIPS_ISA) == STO_MICROMIPS)
867 #define ELF_ST_SET_MICROMIPS(other) (((other) & ~STO_MIPS_ISA) | STO_MICROMIPS)
869 /* Whether code compression (either of the MIPS16 or the microMIPS ASEs)
870 has been indicated for a .text symbol. */
871 #define ELF_ST_IS_COMPRESSED(other) \
872 (ELF_ST_IS_MIPS16 (other) || ELF_ST_IS_MICROMIPS (other))
874 /* This bit is used on Irix to indicate a symbol whose definition
875 is optional - if, at final link time, it cannot be found, no
876 error message should be produced. */
877 #define STO_OPTIONAL (1 << 2)
878 /* A macro to examine the STO_OPTIONAL bit. */
879 #define ELF_MIPS_IS_OPTIONAL(other) ((other) & STO_OPTIONAL)
881 /* The 64-bit MIPS ELF ABI uses an unusual reloc format. Each
882 relocation entry specifies up to three actual relocations, all at
883 the same address. The first relocation which required a symbol
884 uses the symbol in the r_sym field. The second relocation which
885 requires a symbol uses the symbol in the r_ssym field. If all
886 three relocations require a symbol, the third one uses a zero
889 /* An entry in a 64 bit SHT_REL section. */
893 /* Address of relocation. */
894 unsigned char r_offset[8];
896 unsigned char r_sym[4];
897 /* Special symbol. */
898 unsigned char r_ssym[1];
899 /* Third relocation. */
900 unsigned char r_type3[1];
901 /* Second relocation. */
902 unsigned char r_type2[1];
903 /* First relocation. */
904 unsigned char r_type[1];
905 } Elf64_Mips_External_Rel;
909 /* Address of relocation. */
913 /* Special symbol. */
914 unsigned char r_ssym;
915 /* Third relocation. */
916 unsigned char r_type3;
917 /* Second relocation. */
918 unsigned char r_type2;
919 /* First relocation. */
920 unsigned char r_type;
921 } Elf64_Mips_Internal_Rel;
923 /* An entry in a 64 bit SHT_RELA section. */
927 /* Address of relocation. */
928 unsigned char r_offset[8];
930 unsigned char r_sym[4];
931 /* Special symbol. */
932 unsigned char r_ssym[1];
933 /* Third relocation. */
934 unsigned char r_type3[1];
935 /* Second relocation. */
936 unsigned char r_type2[1];
937 /* First relocation. */
938 unsigned char r_type[1];
940 unsigned char r_addend[8];
941 } Elf64_Mips_External_Rela;
945 /* Address of relocation. */
949 /* Special symbol. */
950 unsigned char r_ssym;
951 /* Third relocation. */
952 unsigned char r_type3;
953 /* Second relocation. */
954 unsigned char r_type2;
955 /* First relocation. */
956 unsigned char r_type;
958 bfd_signed_vma r_addend;
959 } Elf64_Mips_Internal_Rela;
961 /* MIPS ELF 64 relocation info access macros. */
962 #define ELF64_MIPS_R_SSYM(i) (((i) >> 24) & 0xff)
963 #define ELF64_MIPS_R_TYPE3(i) (((i) >> 16) & 0xff)
964 #define ELF64_MIPS_R_TYPE2(i) (((i) >> 8) & 0xff)
965 #define ELF64_MIPS_R_TYPE(i) ((i) & 0xff)
967 /* Values found in the r_ssym field of a relocation entry. */
975 /* Value of GP in object being relocated. */
978 /* Address of location being relocated. */
981 /* A SHT_MIPS_OPTIONS section contains a series of options, each of
982 which starts with this header. */
986 /* Type of option. */
987 unsigned char kind[1];
988 /* Size of option descriptor, including header. */
989 unsigned char size[1];
990 /* Section index of affected section, or 0 for global option. */
991 unsigned char section[2];
992 /* Information specific to this kind of option. */
993 unsigned char info[4];
994 } Elf_External_Options;
998 /* Type of option. */
1000 /* Size of option descriptor, including header. */
1002 /* Section index of affected section, or 0 for global option. */
1003 unsigned short section;
1004 /* Information specific to this kind of option. */
1006 } Elf_Internal_Options;
1008 /* MIPS ELF option header swapping routines. */
1009 extern void bfd_mips_elf_swap_options_in
1010 (bfd *, const Elf_External_Options *, Elf_Internal_Options *);
1011 extern void bfd_mips_elf_swap_options_out
1012 (bfd *, const Elf_Internal_Options *, Elf_External_Options *);
1014 /* Values which may appear in the kind field of an Elf_Options
1020 /* Register usage and GP value. */
1021 #define ODK_REGINFO 1
1023 /* Exception processing information. */
1024 #define ODK_EXCEPTIONS 2
1026 /* Section padding information. */
1029 /* Hardware workarounds performed. */
1030 #define ODK_HWPATCH 4
1032 /* Fill value used by the linker. */
1035 /* Reserved space for desktop tools. */
1038 /* Hardware workarounds, AND bits when merging. */
1041 /* Hardware workarounds, OR bits when merging. */
1044 /* GP group to use for text/data sections. */
1045 #define ODK_GP_GROUP 9
1047 /* ID information. */
1048 #define ODK_IDENT 10
1050 /* In the 32 bit ABI, an ODK_REGINFO option is just a Elf32_RegInfo
1051 structure. In the 64 bit ABI, it is the following structure. The
1052 info field of the options header is not used. */
1056 /* Mask of general purpose registers used. */
1057 unsigned char ri_gprmask[4];
1059 unsigned char ri_pad[4];
1060 /* Mask of co-processor registers used. */
1061 unsigned char ri_cprmask[4][4];
1062 /* GP register value for this object file. */
1063 unsigned char ri_gp_value[8];
1064 } Elf64_External_RegInfo;
1068 /* Mask of general purpose registers used. */
1069 unsigned long ri_gprmask;
1071 unsigned long ri_pad;
1072 /* Mask of co-processor registers used. */
1073 unsigned long ri_cprmask[4];
1074 /* GP register value for this object file. */
1075 bfd_vma ri_gp_value;
1076 } Elf64_Internal_RegInfo;
1078 /* ABI Flags structure version 0. */
1082 /* Version of flags structure. */
1083 unsigned char version[2];
1084 /* The level of the ISA: 1-5, 32, 64. */
1085 unsigned char isa_level[1];
1086 /* The revision of ISA: 0 for MIPS V and below, 1-n otherwise. */
1087 unsigned char isa_rev[1];
1088 /* The size of general purpose registers. */
1089 unsigned char gpr_size[1];
1090 /* The size of co-processor 1 registers. */
1091 unsigned char cpr1_size[1];
1092 /* The size of co-processor 2 registers. */
1093 unsigned char cpr2_size[1];
1094 /* The floating-point ABI. */
1095 unsigned char fp_abi[1];
1096 /* Processor-specific extension. */
1097 unsigned char isa_ext[4];
1098 /* Mask of ASEs used. */
1099 unsigned char ases[4];
1100 /* Mask of general flags. */
1101 unsigned char flags1[4];
1102 unsigned char flags2[4];
1103 } Elf_External_ABIFlags_v0;
1105 typedef struct elf_internal_abiflags_v0
1107 /* Version of flags structure. */
1108 unsigned short version;
1109 /* The level of the ISA: 1-5, 32, 64. */
1110 unsigned char isa_level;
1111 /* The revision of ISA: 0 for MIPS V and below, 1-n otherwise. */
1112 unsigned char isa_rev;
1113 /* The size of general purpose registers. */
1114 unsigned char gpr_size;
1115 /* The size of co-processor 1 registers. */
1116 unsigned char cpr1_size;
1117 /* The size of co-processor 2 registers. */
1118 unsigned char cpr2_size;
1119 /* The floating-point ABI. */
1120 unsigned char fp_abi;
1121 /* Processor-specific extension. */
1122 unsigned long isa_ext;
1123 /* Mask of ASEs used. */
1125 /* Mask of general flags. */
1126 unsigned long flags1;
1127 unsigned long flags2;
1128 } Elf_Internal_ABIFlags_v0;
1132 /* The hash value computed from the name of the corresponding
1134 unsigned char ms_hash_value[4];
1135 /* Contains both the dynamic relocation index and the symbol flags
1136 field. The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used
1137 to access the individual values. The dynamic relocation index
1138 identifies the first entry in the .rel.dyn section that
1139 references the dynamic symbol corresponding to this msym entry.
1140 If the index is 0, no dynamic relocations are associated with the
1141 symbol. The symbol flags field is reserved for future use. */
1142 unsigned char ms_info[4];
1143 } Elf32_External_Msym;
1147 /* The hash value computed from the name of the corresponding
1149 unsigned long ms_hash_value;
1150 /* Contains both the dynamic relocation index and the symbol flags
1151 field. The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used
1152 to access the individual values. The dynamic relocation index
1153 identifies the first entry in the .rel.dyn section that
1154 references the dynamic symbol corresponding to this msym entry.
1155 If the index is 0, no dynamic relocations are associated with the
1156 symbol. The symbol flags field is reserved for future use. */
1157 unsigned long ms_info;
1158 } Elf32_Internal_Msym;
1160 #define ELF32_MS_REL_INDEX(i) ((i) >> 8)
1161 #define ELF32_MS_FLAGS(i) (i) & 0xff)
1162 #define ELF32_MS_INFO(r, f) (((r) << 8) + ((f) & 0xff))
1164 /* MIPS ELF reginfo swapping routines. */
1165 extern void bfd_mips_elf64_swap_reginfo_in
1166 (bfd *, const Elf64_External_RegInfo *, Elf64_Internal_RegInfo *);
1167 extern void bfd_mips_elf64_swap_reginfo_out
1168 (bfd *, const Elf64_Internal_RegInfo *, Elf64_External_RegInfo *);
1170 /* MIPS ELF flags swapping routines. */
1171 extern void bfd_mips_elf_swap_abiflags_v0_in
1172 (bfd *, const Elf_External_ABIFlags_v0 *, Elf_Internal_ABIFlags_v0 *);
1173 extern void bfd_mips_elf_swap_abiflags_v0_out
1174 (bfd *, const Elf_Internal_ABIFlags_v0 *, Elf_External_ABIFlags_v0 *);
1176 /* Masks for the info work of an ODK_EXCEPTIONS descriptor. */
1177 #define OEX_FPU_MIN 0x1f /* FPEs which must be enabled. */
1178 #define OEX_FPU_MAX 0x1f00 /* FPEs which may be enabled. */
1179 #define OEX_PAGE0 0x10000 /* Page zero must be mapped. */
1180 #define OEX_SMM 0x20000 /* Force sequential memory mode. */
1181 #define OEX_FPDBUG 0x40000 /* Force precise floating-point
1182 exceptions (debug mode). */
1183 #define OEX_DISMISS 0x80000 /* Dismiss invalid address faults. */
1185 /* Masks of the FP exceptions for OEX_FPU_MIN and OEX_FPU_MAX. */
1186 #define OEX_FPU_INVAL 0x10 /* Invalid operation exception. */
1187 #define OEX_FPU_DIV0 0x08 /* Division by zero exception. */
1188 #define OEX_FPU_OFLO 0x04 /* Overflow exception. */
1189 #define OEX_FPU_UFLO 0x02 /* Underflow exception. */
1190 #define OEX_FPU_INEX 0x01 /* Inexact exception. */
1192 /* Masks for the info word of an ODK_PAD descriptor. */
1193 #define OPAD_PREFIX 0x01
1194 #define OPAD_POSTFIX 0x02
1195 #define OPAD_SYMBOL 0x04
1197 /* Masks for the info word of an ODK_HWPATCH descriptor. */
1198 #define OHW_R4KEOP 0x00000001 /* R4000 end-of-page patch. */
1199 #define OHW_R8KPFETCH 0x00000002 /* May need R8000 prefetch patch. */
1200 #define OHW_R5KEOP 0x00000004 /* R5000 end-of-page patch. */
1201 #define OHW_R5KCVTL 0x00000008 /* R5000 cvt.[ds].l bug
1203 #define OHW_R10KLDL 0x00000010 /* Needs R10K misaligned
1206 /* Masks for the info word of an ODK_IDENT/ODK_GP_GROUP descriptor. */
1207 #define OGP_GROUP 0x0000ffff /* GP group number. */
1208 #define OGP_SELF 0xffff0000 /* Self-contained GP groups. */
1210 /* Masks for the info word of an ODK_HWAND/ODK_HWOR descriptor. */
1211 #define OHWA0_R4KEOP_CHECKED 0x00000001
1212 #define OHWA0_R4KEOP_CLEAN 0x00000002
1214 /* Values for the xxx_size bytes of an ABI flags structure. */
1216 #define AFL_REG_NONE 0x00 /* No registers. */
1217 #define AFL_REG_32 0x01 /* 32-bit registers. */
1218 #define AFL_REG_64 0x02 /* 64-bit registers. */
1219 #define AFL_REG_128 0x03 /* 128-bit registers. */
1221 /* Masks for the ases word of an ABI flags structure. */
1223 #define AFL_ASE_DSP 0x00000001 /* DSP ASE. */
1224 #define AFL_ASE_DSPR2 0x00000002 /* DSP R2 ASE. */
1225 #define AFL_ASE_EVA 0x00000004 /* Enhanced VA Scheme. */
1226 #define AFL_ASE_MCU 0x00000008 /* MCU (MicroController) ASE. */
1227 #define AFL_ASE_MDMX 0x00000010 /* MDMX ASE. */
1228 #define AFL_ASE_MIPS3D 0x00000020 /* MIPS-3D ASE. */
1229 #define AFL_ASE_MT 0x00000040 /* MT ASE. */
1230 #define AFL_ASE_SMARTMIPS 0x00000080 /* SmartMIPS ASE. */
1231 #define AFL_ASE_VIRT 0x00000100 /* VZ ASE. */
1232 #define AFL_ASE_MSA 0x00000200 /* MSA ASE. */
1233 #define AFL_ASE_MIPS16 0x00000400 /* MIPS16 ASE. */
1234 #define AFL_ASE_MICROMIPS 0x00000800 /* MICROMIPS ASE. */
1235 #define AFL_ASE_XPA 0x00001000 /* XPA ASE. */
1236 #define AFL_ASE_DSPR3 0x00002000 /* DSP R3 ASE. */
1237 #define AFL_ASE_MIPS16E2 0x00004000 /* MIPS16e2 ASE. */
1238 #define AFL_ASE_MASK 0x00007fff /* All ASEs. */
1240 /* Values for the isa_ext word of an ABI flags structure. */
1242 #define AFL_EXT_XLR 1 /* RMI Xlr instruction. */
1243 #define AFL_EXT_OCTEON2 2 /* Cavium Networks Octeon2. */
1244 #define AFL_EXT_OCTEONP 3 /* Cavium Networks OcteonP. */
1245 #define AFL_EXT_LOONGSON_3A 4 /* Loongson 3A. */
1246 #define AFL_EXT_OCTEON 5 /* Cavium Networks Octeon. */
1247 #define AFL_EXT_5900 6 /* MIPS R5900 instruction. */
1248 #define AFL_EXT_4650 7 /* MIPS R4650 instruction. */
1249 #define AFL_EXT_4010 8 /* LSI R4010 instruction. */
1250 #define AFL_EXT_4100 9 /* NEC VR4100 instruction. */
1251 #define AFL_EXT_3900 10 /* Toshiba R3900 instruction. */
1252 #define AFL_EXT_10000 11 /* MIPS R10000 instruction. */
1253 #define AFL_EXT_SB1 12 /* Broadcom SB-1 instruction. */
1254 #define AFL_EXT_4111 13 /* NEC VR4111/VR4181 instruction. */
1255 #define AFL_EXT_4120 14 /* NEC VR4120 instruction. */
1256 #define AFL_EXT_5400 15 /* NEC VR5400 instruction. */
1257 #define AFL_EXT_5500 16 /* NEC VR5500 instruction. */
1258 #define AFL_EXT_LOONGSON_2E 17 /* ST Microelectronics Loongson 2E. */
1259 #define AFL_EXT_LOONGSON_2F 18 /* ST Microelectronics Loongson 2F. */
1260 #define AFL_EXT_OCTEON3 19 /* Cavium Networks Octeon3. */
1261 #define AFL_EXT_INTERAPTIV_MR2 20 /* Imagination interAptiv MR2. */
1263 /* Masks for the flags1 word of an ABI flags structure. */
1264 #define AFL_FLAGS1_ODDSPREG 1 /* Uses odd single-precision registers. */
1266 extern unsigned int bfd_mips_isa_ext (bfd *);
1269 /* Object attribute tags. */
1272 /* 0-3 are generic. */
1274 /* Floating-point ABI used by this object file. */
1275 Tag_GNU_MIPS_ABI_FP = 4,
1277 /* MSA ABI used by this object file. */
1278 Tag_GNU_MIPS_ABI_MSA = 8,
1281 /* Object attribute values. */
1284 /* Values defined for Tag_GNU_MIPS_ABI_FP. */
1286 /* Not tagged or not using any ABIs affected by the differences. */
1287 Val_GNU_MIPS_ABI_FP_ANY = 0,
1289 /* Using hard-float -mdouble-float. */
1290 Val_GNU_MIPS_ABI_FP_DOUBLE = 1,
1292 /* Using hard-float -msingle-float. */
1293 Val_GNU_MIPS_ABI_FP_SINGLE = 2,
1295 /* Using soft-float. */
1296 Val_GNU_MIPS_ABI_FP_SOFT = 3,
1298 /* Using -mips32r2 -mfp64. */
1299 Val_GNU_MIPS_ABI_FP_OLD_64 = 4,
1302 Val_GNU_MIPS_ABI_FP_XX = 5,
1304 /* Using -mips32r2 -mfp64. */
1305 Val_GNU_MIPS_ABI_FP_64 = 6,
1307 /* Using -mips32r2 -mfp64 -mno-odd-spreg. */
1308 Val_GNU_MIPS_ABI_FP_64A = 7,
1310 /* This is reserved for backward-compatibility with an earlier
1311 implementation of the MIPS NaN2008 functionality. */
1312 Val_GNU_MIPS_ABI_FP_NAN2008 = 8,
1314 /* Values defined for Tag_GNU_MIPS_ABI_MSA. */
1316 /* Not tagged or not using any ABIs affected by the differences. */
1317 Val_GNU_MIPS_ABI_MSA_ANY = 0,
1319 /* Using 128-bit MSA. */
1320 Val_GNU_MIPS_ABI_MSA_128 = 1,
1327 #endif /* _ELF_MIPS_H */