Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* MIPS ELF support for BFD. |
c3aa17e9 | 2 | Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, |
e4e42b45 | 3 | 2003, 2004, 2005, 2008, 2009, 2010 |
638632bd | 4 | Free Software Foundation, Inc. |
252b5132 RH |
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 | ||
e4e42b45 | 10 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 11 | |
e4e42b45 NC |
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. | |
252b5132 | 16 | |
e4e42b45 NC |
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. | |
252b5132 | 21 | |
e4e42b45 NC |
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. */ | |
252b5132 RH |
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) | |
ae990a1a AM |
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 */ | |
252b5132 RH |
41 | RELOC_NUMBER (R_MIPS_26, 4) |
42 | RELOC_NUMBER (R_MIPS_HI16, 5) | |
43 | RELOC_NUMBER (R_MIPS_LO16, 6) | |
ae990a1a | 44 | RELOC_NUMBER (R_MIPS_GPREL16, 7) /* In Elf 64: alias R_MIPS_GPREL */ |
252b5132 | 45 | RELOC_NUMBER (R_MIPS_LITERAL, 8) |
ae990a1a | 46 | RELOC_NUMBER (R_MIPS_GOT16, 9) /* In Elf 64: alias R_MIPS_GOT */ |
252b5132 | 47 | RELOC_NUMBER (R_MIPS_PC16, 10) |
ae990a1a | 48 | RELOC_NUMBER (R_MIPS_CALL16, 11) /* In Elf 64: alias R_MIPS_CALL */ |
252b5132 RH |
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) | |
51cb3ca7 DJ |
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) | |
165b93e7 RS |
91 | RELOC_NUMBER (R_MIPS_GLOB_DAT, 51) |
92 | FAKE_RELOC (R_MIPS_max, 52) | |
252b5132 | 93 | /* These relocs are used for the mips16. */ |
d6f16593 | 94 | FAKE_RELOC (R_MIPS16_min, 100) |
252b5132 RH |
95 | RELOC_NUMBER (R_MIPS16_26, 100) |
96 | RELOC_NUMBER (R_MIPS16_GPREL, 101) | |
d6f16593 MR |
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) | |
0a44bf69 RS |
102 | /* These relocations are specific to VxWorks. */ |
103 | RELOC_NUMBER (R_MIPS_COPY, 126) | |
104 | RELOC_NUMBER (R_MIPS_JUMP_SLOT, 127) | |
092dcd75 CD |
105 | /* This was a GNU extension used by embedded-PIC. It was co-opted by |
106 | mips-linux for exception-handling data. It is no longer used, but | |
107 | should continue to be supported by the linker for backward | |
108 | compatibility. (GCC stopped using it in May, 2004.) */ | |
109 | RELOC_NUMBER (R_MIPS_PC32, 248) | |
4030e8f6 | 110 | /* FIXME: this relocation is used internally by gas. */ |
bb2d6cd7 | 111 | RELOC_NUMBER (R_MIPS_GNU_REL16_S2, 250) |
252b5132 RH |
112 | /* These are GNU extensions to enable C++ vtable garbage collection. */ |
113 | RELOC_NUMBER (R_MIPS_GNU_VTINHERIT, 253) | |
114 | RELOC_NUMBER (R_MIPS_GNU_VTENTRY, 254) | |
1b452ec6 | 115 | END_RELOC_NUMBERS (R_MIPS_maxext) |
252b5132 RH |
116 | |
117 | /* Processor specific flags for the ELF header e_flags field. */ | |
118 | ||
119 | /* At least one .noreorder directive appears in the source. */ | |
120 | #define EF_MIPS_NOREORDER 0x00000001 | |
121 | ||
122 | /* File contains position independent code. */ | |
123 | #define EF_MIPS_PIC 0x00000002 | |
124 | ||
125 | /* Code in file uses the standard calling sequence for calling | |
126 | position independent code. */ | |
127 | #define EF_MIPS_CPIC 0x00000004 | |
128 | ||
6aefc216 AO |
129 | /* ??? Unknown flag, set in IRIX 6's BSDdup2.o in libbsd.a. */ |
130 | #define EF_MIPS_XGOT 0x00000008 | |
131 | ||
ae990a1a AM |
132 | /* Code in file uses UCODE (obsolete) */ |
133 | #define EF_MIPS_UCODE 0x00000010 | |
134 | ||
252b5132 RH |
135 | /* Code in file uses new ABI (-n32 on Irix 6). */ |
136 | #define EF_MIPS_ABI2 0x00000020 | |
137 | ||
ae990a1a AM |
138 | /* Process the .MIPS.options section first by ld */ |
139 | #define EF_MIPS_OPTIONS_FIRST 0x00000080 | |
140 | ||
141 | /* Architectural Extensions used by this file */ | |
142 | #define EF_MIPS_ARCH_ASE 0x0f000000 | |
143 | ||
144 | /* Use MDMX multimedia extensions */ | |
145 | #define EF_MIPS_ARCH_ASE_MDMX 0x08000000 | |
146 | ||
147 | /* Use MIPS-16 ISA extensions */ | |
148 | #define EF_MIPS_ARCH_ASE_M16 0x04000000 | |
149 | ||
cc51ea79 | 150 | /* Indicates code compiled for a 64-bit machine in 32-bit mode. |
252b5132 RH |
151 | (regs are 32-bits wide.) */ |
152 | #define EF_MIPS_32BITMODE 0x00000100 | |
153 | ||
154 | /* Four bit MIPS architecture field. */ | |
155 | #define EF_MIPS_ARCH 0xf0000000 | |
156 | ||
157 | /* -mips1 code. */ | |
158 | #define E_MIPS_ARCH_1 0x00000000 | |
159 | ||
160 | /* -mips2 code. */ | |
161 | #define E_MIPS_ARCH_2 0x10000000 | |
162 | ||
163 | /* -mips3 code. */ | |
164 | #define E_MIPS_ARCH_3 0x20000000 | |
165 | ||
166 | /* -mips4 code. */ | |
167 | #define E_MIPS_ARCH_4 0x30000000 | |
168 | ||
84ea6cf2 | 169 | /* -mips5 code. */ |
bf40d919 | 170 | #define E_MIPS_ARCH_5 0x40000000 |
84ea6cf2 | 171 | |
e7af610e | 172 | /* -mips32 code. */ |
bf40d919 | 173 | #define E_MIPS_ARCH_32 0x50000000 |
e7af610e | 174 | |
84ea6cf2 | 175 | /* -mips64 code. */ |
bf40d919 | 176 | #define E_MIPS_ARCH_64 0x60000000 |
84ea6cf2 | 177 | |
af7ee8bf CD |
178 | /* -mips32r2 code. */ |
179 | #define E_MIPS_ARCH_32R2 0x70000000 | |
180 | ||
5f74bc13 CD |
181 | /* -mips64r2 code. */ |
182 | #define E_MIPS_ARCH_64R2 0x80000000 | |
183 | ||
252b5132 RH |
184 | /* The ABI of the file. Also see EF_MIPS_ABI2 above. */ |
185 | #define EF_MIPS_ABI 0x0000F000 | |
186 | ||
187 | /* The original o32 abi. */ | |
188 | #define E_MIPS_ABI_O32 0x00001000 | |
189 | ||
190 | /* O32 extended to work on 64 bit architectures */ | |
191 | #define E_MIPS_ABI_O64 0x00002000 | |
192 | ||
193 | /* EABI in 32 bit mode */ | |
194 | #define E_MIPS_ABI_EABI32 0x00003000 | |
195 | ||
196 | /* EABI in 64 bit mode */ | |
197 | #define E_MIPS_ABI_EABI64 0x00004000 | |
198 | ||
199 | ||
200 | /* Machine variant if we know it. This field was invented at Cygnus, | |
201 | but it is hoped that other vendors will adopt it. If some standard | |
202 | is developed, this code should be changed to follow it. */ | |
203 | ||
204 | #define EF_MIPS_MACH 0x00FF0000 | |
205 | ||
206 | /* Cygnus is choosing values between 80 and 9F; | |
207 | 00 - 7F should be left for a future standard; | |
208 | the rest are open. */ | |
209 | ||
210 | #define E_MIPS_MACH_3900 0x00810000 | |
252b5132 RH |
211 | #define E_MIPS_MACH_4010 0x00820000 |
212 | #define E_MIPS_MACH_4100 0x00830000 | |
213 | #define E_MIPS_MACH_4650 0x00850000 | |
00707a0e | 214 | #define E_MIPS_MACH_4120 0x00870000 |
252b5132 | 215 | #define E_MIPS_MACH_4111 0x00880000 |
c6c98b38 | 216 | #define E_MIPS_MACH_SB1 0x008a0000 |
7b03d09a | 217 | #define E_MIPS_MACH_OCTEON 0x008b0000 |
52b6b6b9 | 218 | #define E_MIPS_MACH_XLR 0x008c0000 |
67c2a3e8 | 219 | #define E_MIPS_MACH_OCTEON2 0x008d0000 |
00707a0e RS |
220 | #define E_MIPS_MACH_5400 0x00910000 |
221 | #define E_MIPS_MACH_5500 0x00980000 | |
69881c93 | 222 | #define E_MIPS_MACH_9000 0x00990000 |
350cc38d MS |
223 | #define E_MIPS_MACH_LS2E 0x00A00000 |
224 | #define E_MIPS_MACH_LS2F 0x00A10000 | |
252b5132 RH |
225 | \f |
226 | /* Processor specific section indices. These sections do not actually | |
227 | exist. Symbols with a st_shndx field corresponding to one of these | |
228 | values have a special meaning. */ | |
229 | ||
230 | /* Defined and allocated common symbol. Value is virtual address. If | |
231 | relocated, alignment must be preserved. */ | |
1bce5d2c | 232 | #define SHN_MIPS_ACOMMON SHN_LORESERVE |
252b5132 RH |
233 | |
234 | /* Defined and allocated text symbol. Value is virtual address. | |
235 | Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables. */ | |
1bce5d2c | 236 | #define SHN_MIPS_TEXT (SHN_LORESERVE + 1) |
252b5132 RH |
237 | |
238 | /* Defined and allocated data symbol. Value is virtual address. | |
239 | Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables. */ | |
1bce5d2c | 240 | #define SHN_MIPS_DATA (SHN_LORESERVE + 2) |
252b5132 RH |
241 | |
242 | /* Small common symbol. */ | |
1bce5d2c | 243 | #define SHN_MIPS_SCOMMON (SHN_LORESERVE + 3) |
252b5132 RH |
244 | |
245 | /* Small undefined symbol. */ | |
1bce5d2c | 246 | #define SHN_MIPS_SUNDEFINED (SHN_LORESERVE + 4) |
252b5132 RH |
247 | \f |
248 | /* Processor specific section types. */ | |
249 | ||
250 | /* Section contains the set of dynamic shared objects used when | |
251 | statically linking. */ | |
252 | #define SHT_MIPS_LIBLIST 0x70000000 | |
253 | ||
254 | /* I'm not sure what this is, but it's used on Irix 5. */ | |
255 | #define SHT_MIPS_MSYM 0x70000001 | |
256 | ||
257 | /* Section contains list of symbols whose definitions conflict with | |
258 | symbols defined in shared objects. */ | |
259 | #define SHT_MIPS_CONFLICT 0x70000002 | |
260 | ||
261 | /* Section contains the global pointer table. */ | |
262 | #define SHT_MIPS_GPTAB 0x70000003 | |
263 | ||
264 | /* Section contains microcode information. The exact format is | |
265 | unspecified. */ | |
266 | #define SHT_MIPS_UCODE 0x70000004 | |
267 | ||
268 | /* Section contains some sort of debugging information. The exact | |
269 | format is unspecified. It's probably ECOFF symbols. */ | |
270 | #define SHT_MIPS_DEBUG 0x70000005 | |
271 | ||
272 | /* Section contains register usage information. */ | |
273 | #define SHT_MIPS_REGINFO 0x70000006 | |
274 | ||
275 | /* ??? */ | |
276 | #define SHT_MIPS_PACKAGE 0x70000007 | |
277 | ||
278 | /* ??? */ | |
279 | #define SHT_MIPS_PACKSYM 0x70000008 | |
280 | ||
281 | /* ??? */ | |
282 | #define SHT_MIPS_RELD 0x70000009 | |
283 | ||
284 | /* Section contains interface information. */ | |
285 | #define SHT_MIPS_IFACE 0x7000000b | |
286 | ||
287 | /* Section contains description of contents of another section. */ | |
288 | #define SHT_MIPS_CONTENT 0x7000000c | |
289 | ||
290 | /* Section contains miscellaneous options. */ | |
291 | #define SHT_MIPS_OPTIONS 0x7000000d | |
292 | ||
293 | /* ??? */ | |
294 | #define SHT_MIPS_SHDR 0x70000010 | |
295 | ||
296 | /* ??? */ | |
297 | #define SHT_MIPS_FDESC 0x70000011 | |
298 | ||
299 | /* ??? */ | |
300 | #define SHT_MIPS_EXTSYM 0x70000012 | |
301 | ||
302 | /* ??? */ | |
303 | #define SHT_MIPS_DENSE 0x70000013 | |
304 | ||
305 | /* ??? */ | |
306 | #define SHT_MIPS_PDESC 0x70000014 | |
307 | ||
308 | /* ??? */ | |
309 | #define SHT_MIPS_LOCSYM 0x70000015 | |
310 | ||
311 | /* ??? */ | |
312 | #define SHT_MIPS_AUXSYM 0x70000016 | |
313 | ||
314 | /* ??? */ | |
315 | #define SHT_MIPS_OPTSYM 0x70000017 | |
316 | ||
317 | /* ??? */ | |
318 | #define SHT_MIPS_LOCSTR 0x70000018 | |
319 | ||
320 | /* ??? */ | |
321 | #define SHT_MIPS_LINE 0x70000019 | |
322 | ||
323 | /* ??? */ | |
324 | #define SHT_MIPS_RFDESC 0x7000001a | |
325 | ||
ae990a1a | 326 | /* Delta C++: symbol table */ |
252b5132 RH |
327 | #define SHT_MIPS_DELTASYM 0x7000001b |
328 | ||
ae990a1a | 329 | /* Delta C++: instance table */ |
252b5132 RH |
330 | #define SHT_MIPS_DELTAINST 0x7000001c |
331 | ||
ae990a1a | 332 | /* Delta C++: class table */ |
252b5132 RH |
333 | #define SHT_MIPS_DELTACLASS 0x7000001d |
334 | ||
335 | /* DWARF debugging section. */ | |
336 | #define SHT_MIPS_DWARF 0x7000001e | |
337 | ||
ae990a1a | 338 | /* Delta C++: declarations */ |
252b5132 RH |
339 | #define SHT_MIPS_DELTADECL 0x7000001f |
340 | ||
341 | /* List of libraries the binary depends on. Includes a time stamp, version | |
342 | number. */ | |
343 | #define SHT_MIPS_SYMBOL_LIB 0x70000020 | |
344 | ||
345 | /* Events section. */ | |
346 | #define SHT_MIPS_EVENTS 0x70000021 | |
347 | ||
348 | /* ??? */ | |
349 | #define SHT_MIPS_TRANSLATE 0x70000022 | |
350 | ||
ae990a1a | 351 | /* Special pixie sections */ |
252b5132 RH |
352 | #define SHT_MIPS_PIXIE 0x70000023 |
353 | ||
ae990a1a | 354 | /* Address translation table (for debug info) */ |
252b5132 RH |
355 | #define SHT_MIPS_XLATE 0x70000024 |
356 | ||
ae990a1a | 357 | /* SGI internal address translation table (for debug info) */ |
252b5132 RH |
358 | #define SHT_MIPS_XLATE_DEBUG 0x70000025 |
359 | ||
ae990a1a | 360 | /* Intermediate code */ |
252b5132 RH |
361 | #define SHT_MIPS_WHIRL 0x70000026 |
362 | ||
ae990a1a | 363 | /* C++ exception handling region info */ |
252b5132 RH |
364 | #define SHT_MIPS_EH_REGION 0x70000027 |
365 | ||
ae990a1a | 366 | /* Obsolete address translation table (for debug info) */ |
252b5132 RH |
367 | #define SHT_MIPS_XLATE_OLD 0x70000028 |
368 | ||
ae990a1a | 369 | /* Runtime procedure descriptor table exception information (ucode) ??? */ |
252b5132 RH |
370 | #define SHT_MIPS_PDR_EXCEPTION 0x70000029 |
371 | ||
372 | ||
373 | /* A section of type SHT_MIPS_LIBLIST contains an array of the | |
374 | following structure. The sh_link field is the section index of the | |
375 | string table. The sh_info field is the number of entries in the | |
376 | section. */ | |
377 | typedef struct | |
378 | { | |
379 | /* String table index for name of shared object. */ | |
380 | unsigned long l_name; | |
381 | /* Time stamp. */ | |
382 | unsigned long l_time_stamp; | |
383 | /* Checksum of symbol names and common sizes. */ | |
384 | unsigned long l_checksum; | |
385 | /* String table index for version. */ | |
386 | unsigned long l_version; | |
387 | /* Flags. */ | |
388 | unsigned long l_flags; | |
389 | } Elf32_Lib; | |
390 | ||
391 | /* The external version of Elf32_Lib. */ | |
392 | typedef struct | |
393 | { | |
394 | unsigned char l_name[4]; | |
395 | unsigned char l_time_stamp[4]; | |
396 | unsigned char l_checksum[4]; | |
397 | unsigned char l_version[4]; | |
398 | unsigned char l_flags[4]; | |
399 | } Elf32_External_Lib; | |
400 | ||
401 | /* The l_flags field of an Elf32_Lib structure may contain the | |
402 | following flags. */ | |
403 | ||
404 | /* Require an exact match at runtime. */ | |
405 | #define LL_EXACT_MATCH 0x00000001 | |
406 | ||
407 | /* Ignore version incompatibilities at runtime. */ | |
408 | #define LL_IGNORE_INT_VER 0x00000002 | |
409 | ||
410 | /* Require matching minor version number. */ | |
411 | #define LL_REQUIRE_MINOR 0x00000004 | |
412 | ||
413 | /* ??? */ | |
414 | #define LL_EXPORTS 0x00000008 | |
415 | ||
416 | /* Delay loading of this library until really needed. */ | |
417 | #define LL_DELAY_LOAD 0x00000010 | |
418 | ||
419 | /* ??? Delta C++ stuff ??? */ | |
420 | #define LL_DELTA 0x00000020 | |
421 | ||
422 | ||
423 | /* A section of type SHT_MIPS_CONFLICT is an array of indices into the | |
424 | .dynsym section. Each element has the following type. */ | |
425 | typedef unsigned long Elf32_Conflict; | |
426 | typedef unsigned char Elf32_External_Conflict[4]; | |
427 | ||
428 | typedef unsigned long Elf64_Conflict; | |
429 | typedef unsigned char Elf64_External_Conflict[8]; | |
430 | ||
431 | /* A section of type SHT_MIPS_GPTAB contains information about how | |
432 | much GP space would be required for different -G arguments. This | |
433 | information is only used so that the linker can provide informative | |
434 | suggestions as to the best -G value to use. The sh_info field is | |
435 | the index of the section for which this information applies. The | |
436 | contents of the section are an array of the following union. The | |
437 | first element uses the gt_header field. The remaining elements use | |
438 | the gt_entry field. */ | |
439 | typedef union | |
440 | { | |
441 | struct | |
442 | { | |
443 | /* -G value actually used for this object file. */ | |
444 | unsigned long gt_current_g_value; | |
445 | /* Unused. */ | |
446 | unsigned long gt_unused; | |
447 | } gt_header; | |
448 | struct | |
449 | { | |
450 | /* If this -G argument has been used... */ | |
451 | unsigned long gt_g_value; | |
452 | /* ...this many GP section bytes would be required. */ | |
453 | unsigned long gt_bytes; | |
454 | } gt_entry; | |
455 | } Elf32_gptab; | |
456 | ||
457 | /* The external version of Elf32_gptab. */ | |
458 | ||
459 | typedef union | |
460 | { | |
461 | struct | |
462 | { | |
463 | unsigned char gt_current_g_value[4]; | |
464 | unsigned char gt_unused[4]; | |
465 | } gt_header; | |
466 | struct | |
467 | { | |
468 | unsigned char gt_g_value[4]; | |
469 | unsigned char gt_bytes[4]; | |
470 | } gt_entry; | |
471 | } Elf32_External_gptab; | |
472 | ||
473 | /* A section of type SHT_MIPS_REGINFO contains the following | |
474 | structure. */ | |
475 | typedef struct | |
476 | { | |
477 | /* Mask of general purpose registers used. */ | |
478 | unsigned long ri_gprmask; | |
479 | /* Mask of co-processor registers used. */ | |
480 | unsigned long ri_cprmask[4]; | |
481 | /* GP register value for this object file. */ | |
482 | long ri_gp_value; | |
483 | } Elf32_RegInfo; | |
484 | ||
485 | /* The external version of the Elf_RegInfo structure. */ | |
486 | typedef struct | |
487 | { | |
488 | unsigned char ri_gprmask[4]; | |
489 | unsigned char ri_cprmask[4][4]; | |
490 | unsigned char ri_gp_value[4]; | |
491 | } Elf32_External_RegInfo; | |
492 | ||
493 | /* MIPS ELF .reginfo swapping routines. */ | |
494 | extern void bfd_mips_elf32_swap_reginfo_in | |
fd6ba1fc | 495 | (bfd *, const Elf32_External_RegInfo *, Elf32_RegInfo *); |
252b5132 | 496 | extern void bfd_mips_elf32_swap_reginfo_out |
fd6ba1fc | 497 | (bfd *, const Elf32_RegInfo *, Elf32_External_RegInfo *); |
252b5132 RH |
498 | \f |
499 | /* Processor specific section flags. */ | |
500 | ||
501 | /* This section must be in the global data area. */ | |
502 | #define SHF_MIPS_GPREL 0x10000000 | |
503 | ||
504 | /* This section should be merged. */ | |
505 | #define SHF_MIPS_MERGE 0x20000000 | |
506 | ||
ae990a1a AM |
507 | /* This section contains address data of size implied by section |
508 | element size. */ | |
509 | #define SHF_MIPS_ADDR 0x40000000 | |
252b5132 | 510 | |
ae990a1a AM |
511 | /* This section contains string data. */ |
512 | #define SHF_MIPS_STRING 0x80000000 | |
252b5132 RH |
513 | |
514 | /* This section may not be stripped. */ | |
515 | #define SHF_MIPS_NOSTRIP 0x08000000 | |
516 | ||
517 | /* This section is local to threads. */ | |
518 | #define SHF_MIPS_LOCAL 0x04000000 | |
519 | ||
520 | /* Linker should generate implicit weak names for this section. */ | |
521 | #define SHF_MIPS_NAMES 0x02000000 | |
ae990a1a AM |
522 | |
523 | /* Section contais text/data which may be replicated in other sections. | |
524 | Linker should retain only one copy. */ | |
525 | #define SHF_MIPS_NODUPES 0x01000000 | |
252b5132 RH |
526 | \f |
527 | /* Processor specific program header types. */ | |
528 | ||
529 | /* Register usage information. Identifies one .reginfo section. */ | |
530 | #define PT_MIPS_REGINFO 0x70000000 | |
531 | ||
532 | /* Runtime procedure table. */ | |
533 | #define PT_MIPS_RTPROC 0x70000001 | |
534 | ||
ae990a1a | 535 | /* .MIPS.options section. */ |
252b5132 RH |
536 | #define PT_MIPS_OPTIONS 0x70000002 |
537 | \f | |
538 | /* Processor specific dynamic array tags. */ | |
539 | ||
540 | /* 32 bit version number for runtime linker interface. */ | |
541 | #define DT_MIPS_RLD_VERSION 0x70000001 | |
542 | ||
543 | /* Time stamp. */ | |
544 | #define DT_MIPS_TIME_STAMP 0x70000002 | |
545 | ||
546 | /* Checksum of external strings and common sizes. */ | |
547 | #define DT_MIPS_ICHECKSUM 0x70000003 | |
548 | ||
549 | /* Index of version string in string table. */ | |
550 | #define DT_MIPS_IVERSION 0x70000004 | |
551 | ||
552 | /* 32 bits of flags. */ | |
553 | #define DT_MIPS_FLAGS 0x70000005 | |
554 | ||
555 | /* Base address of the segment. */ | |
556 | #define DT_MIPS_BASE_ADDRESS 0x70000006 | |
557 | ||
558 | /* ??? */ | |
559 | #define DT_MIPS_MSYM 0x70000007 | |
560 | ||
561 | /* Address of .conflict section. */ | |
562 | #define DT_MIPS_CONFLICT 0x70000008 | |
563 | ||
564 | /* Address of .liblist section. */ | |
565 | #define DT_MIPS_LIBLIST 0x70000009 | |
566 | ||
567 | /* Number of local global offset table entries. */ | |
568 | #define DT_MIPS_LOCAL_GOTNO 0x7000000a | |
569 | ||
570 | /* Number of entries in the .conflict section. */ | |
571 | #define DT_MIPS_CONFLICTNO 0x7000000b | |
572 | ||
573 | /* Number of entries in the .liblist section. */ | |
574 | #define DT_MIPS_LIBLISTNO 0x70000010 | |
575 | ||
576 | /* Number of entries in the .dynsym section. */ | |
577 | #define DT_MIPS_SYMTABNO 0x70000011 | |
578 | ||
579 | /* Index of first external dynamic symbol not referenced locally. */ | |
580 | #define DT_MIPS_UNREFEXTNO 0x70000012 | |
581 | ||
582 | /* Index of first dynamic symbol in global offset table. */ | |
583 | #define DT_MIPS_GOTSYM 0x70000013 | |
584 | ||
585 | /* Number of page table entries in global offset table. */ | |
586 | #define DT_MIPS_HIPAGENO 0x70000014 | |
587 | ||
588 | /* Address of run time loader map, used for debugging. */ | |
589 | #define DT_MIPS_RLD_MAP 0x70000016 | |
590 | ||
591 | /* Delta C++ class definition. */ | |
592 | #define DT_MIPS_DELTA_CLASS 0x70000017 | |
593 | ||
594 | /* Number of entries in DT_MIPS_DELTA_CLASS. */ | |
595 | #define DT_MIPS_DELTA_CLASS_NO 0x70000018 | |
596 | ||
597 | /* Delta C++ class instances. */ | |
598 | #define DT_MIPS_DELTA_INSTANCE 0x70000019 | |
599 | ||
600 | /* Number of entries in DT_MIPS_DELTA_INSTANCE. */ | |
601 | #define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a | |
602 | ||
603 | /* Delta relocations. */ | |
604 | #define DT_MIPS_DELTA_RELOC 0x7000001b | |
605 | ||
606 | /* Number of entries in DT_MIPS_DELTA_RELOC. */ | |
607 | #define DT_MIPS_DELTA_RELOC_NO 0x7000001c | |
608 | ||
609 | /* Delta symbols that Delta relocations refer to. */ | |
610 | #define DT_MIPS_DELTA_SYM 0x7000001d | |
611 | ||
612 | /* Number of entries in DT_MIPS_DELTA_SYM. */ | |
613 | #define DT_MIPS_DELTA_SYM_NO 0x7000001e | |
614 | ||
615 | /* Delta symbols that hold class declarations. */ | |
616 | #define DT_MIPS_DELTA_CLASSSYM 0x70000020 | |
617 | ||
618 | /* Number of entries in DT_MIPS_DELTA_CLASSSYM. */ | |
619 | #define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 | |
620 | ||
621 | /* Flags indicating information about C++ flavor. */ | |
622 | #define DT_MIPS_CXX_FLAGS 0x70000022 | |
623 | ||
624 | /* Pixie information (???). */ | |
625 | #define DT_MIPS_PIXIE_INIT 0x70000023 | |
626 | ||
ae990a1a | 627 | /* Address of .MIPS.symlib */ |
252b5132 RH |
628 | #define DT_MIPS_SYMBOL_LIB 0x70000024 |
629 | ||
ae990a1a | 630 | /* The GOT index of the first PTE for a segment */ |
252b5132 RH |
631 | #define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025 |
632 | ||
ae990a1a | 633 | /* The GOT index of the first PTE for a local symbol */ |
252b5132 RH |
634 | #define DT_MIPS_LOCAL_GOTIDX 0x70000026 |
635 | ||
ae990a1a | 636 | /* The GOT index of the first PTE for a hidden symbol */ |
252b5132 RH |
637 | #define DT_MIPS_HIDDEN_GOTIDX 0x70000027 |
638 | ||
ae990a1a | 639 | /* The GOT index of the first PTE for a protected symbol */ |
252b5132 RH |
640 | #define DT_MIPS_PROTECTED_GOTIDX 0x70000028 |
641 | ||
642 | /* Address of `.MIPS.options'. */ | |
643 | #define DT_MIPS_OPTIONS 0x70000029 | |
644 | ||
645 | /* Address of `.interface'. */ | |
646 | #define DT_MIPS_INTERFACE 0x7000002a | |
647 | ||
648 | /* ??? */ | |
649 | #define DT_MIPS_DYNSTR_ALIGN 0x7000002b | |
650 | ||
651 | /* Size of the .interface section. */ | |
652 | #define DT_MIPS_INTERFACE_SIZE 0x7000002c | |
653 | ||
654 | /* Size of rld_text_resolve function stored in the GOT. */ | |
655 | #define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d | |
656 | ||
657 | /* Default suffix of DSO to be added by rld on dlopen() calls. */ | |
658 | #define DT_MIPS_PERF_SUFFIX 0x7000002e | |
659 | ||
660 | /* Size of compact relocation section (O32). */ | |
661 | #define DT_MIPS_COMPACT_SIZE 0x7000002f | |
662 | ||
663 | /* GP value for auxiliary GOTs. */ | |
664 | #define DT_MIPS_GP_VALUE 0x70000030 | |
665 | ||
666 | /* Address of auxiliary .dynamic. */ | |
667 | #define DT_MIPS_AUX_DYNAMIC 0x70000031 | |
861fb55a DJ |
668 | |
669 | /* Address of the base of the PLTGOT. */ | |
670 | #define DT_MIPS_PLTGOT 0x70000032 | |
671 | ||
672 | /* Points to the base of a writable PLT. */ | |
673 | #define DT_MIPS_RWPLT 0x70000034 | |
252b5132 RH |
674 | \f |
675 | /* Flags which may appear in a DT_MIPS_FLAGS entry. */ | |
676 | ||
677 | /* No flags. */ | |
678 | #define RHF_NONE 0x00000000 | |
679 | ||
680 | /* Uses shortcut pointers. */ | |
681 | #define RHF_QUICKSTART 0x00000001 | |
682 | ||
683 | /* Hash size is not a power of two. */ | |
684 | #define RHF_NOTPOT 0x00000002 | |
685 | ||
686 | /* Ignore LD_LIBRARY_PATH. */ | |
ae990a1a | 687 | #define RHS_NO_LIBRARY_REPLACEMENT 0x00000004 |
252b5132 | 688 | |
ae990a1a AM |
689 | /* DSO address may not be relocated. */ |
690 | #define RHF_NO_MOVE 0x00000008 | |
691 | ||
692 | /* SGI specific features. */ | |
693 | #define RHF_SGI_ONLY 0x00000010 | |
694 | ||
695 | /* Guarantee that .init will finish executing before any non-init | |
696 | code in DSO is called. */ | |
252b5132 | 697 | #define RHF_GUARANTEE_INIT 0x00000020 |
ae990a1a AM |
698 | |
699 | /* Contains Delta C++ code. */ | |
252b5132 | 700 | #define RHF_DELTA_C_PLUS_PLUS 0x00000040 |
ae990a1a AM |
701 | |
702 | /* Guarantee that .init will start executing before any non-init | |
703 | code in DSO is called. */ | |
252b5132 | 704 | #define RHF_GUARANTEE_START_INIT 0x00000080 |
ae990a1a AM |
705 | |
706 | /* Generated by pixie. */ | |
252b5132 | 707 | #define RHF_PIXIE 0x00000100 |
ae990a1a AM |
708 | |
709 | /* Delay-load DSO by default. */ | |
252b5132 | 710 | #define RHF_DEFAULT_DELAY_LOAD 0x00000200 |
ae990a1a AM |
711 | |
712 | /* Object may be requickstarted */ | |
252b5132 | 713 | #define RHF_REQUICKSTART 0x00000400 |
ae990a1a AM |
714 | |
715 | /* Object has been requickstarted */ | |
252b5132 | 716 | #define RHF_REQUICKSTARTED 0x00000800 |
ae990a1a AM |
717 | |
718 | /* Generated by cord. */ | |
252b5132 | 719 | #define RHF_CORD 0x00001000 |
ae990a1a AM |
720 | |
721 | /* Object contains no unresolved undef symbols. */ | |
252b5132 | 722 | #define RHF_NO_UNRES_UNDEF 0x00002000 |
ae990a1a AM |
723 | |
724 | /* Symbol table is in a safe order. */ | |
252b5132 RH |
725 | #define RHF_RLD_ORDER_SAFE 0x00004000 |
726 | \f | |
727 | /* Special values for the st_other field in the symbol table. These | |
728 | are used in an Irix 5 dynamic symbol table. */ | |
729 | ||
4fbca453 NC |
730 | #define STO_DEFAULT STV_DEFAULT |
731 | #define STO_INTERNAL STV_INTERNAL | |
732 | #define STO_HIDDEN STV_HIDDEN | |
733 | #define STO_PROTECTED STV_PROTECTED | |
252b5132 | 734 | |
861fb55a DJ |
735 | /* The MIPS psABI was updated in 2008 with support for PLTs and copy |
736 | relocs. There are therefore two types of nonzero SHN_UNDEF functions: | |
737 | PLT entries and traditional MIPS lazy binding stubs. We mark the former | |
738 | with STO_MIPS_PLT to distinguish them from the latter. */ | |
739 | #define STO_MIPS_PLT 0x8 | |
740 | ||
741 | /* This value is used to mark PIC functions in an object that mixes | |
742 | PIC and non-PIC. */ | |
743 | #define STO_MIPS_PIC 0x20 | |
744 | #define ELF_ST_IS_MIPS_PIC(OTHER) \ | |
745 | (((OTHER) & ~ELF_ST_VISIBILITY (-1)) == STO_MIPS_PIC) | |
746 | #define ELF_ST_SET_MIPS_PIC(OTHER) \ | |
747 | (STO_MIPS_PIC | ELF_ST_VISIBILITY (OTHER)) | |
748 | ||
252b5132 RH |
749 | /* This value is used for a mips16 .text symbol. */ |
750 | #define STO_MIPS16 0xf0 | |
30c09090 RS |
751 | #define ELF_ST_IS_MIPS16(OTHER) (((OTHER) & 0xf0) == STO_MIPS16) |
752 | #define ELF_ST_SET_MIPS16(OTHER) (((OTHER) & ~0xf0) | STO_MIPS16) | |
5e2b0d47 NC |
753 | |
754 | /* This bit is used on Irix to indicate a symbol whose definition | |
755 | is optional - if, at final link time, it cannot be found, no | |
756 | error message should be produced. */ | |
757 | #define STO_OPTIONAL (1 << 2) | |
758 | /* A macro to examine the STO_OPTIONAL bit. */ | |
759 | #define ELF_MIPS_IS_OPTIONAL(other) ((other) & STO_OPTIONAL) | |
252b5132 RH |
760 | \f |
761 | /* The 64-bit MIPS ELF ABI uses an unusual reloc format. Each | |
762 | relocation entry specifies up to three actual relocations, all at | |
763 | the same address. The first relocation which required a symbol | |
764 | uses the symbol in the r_sym field. The second relocation which | |
765 | requires a symbol uses the symbol in the r_ssym field. If all | |
766 | three relocations require a symbol, the third one uses a zero | |
767 | value. */ | |
768 | ||
769 | /* An entry in a 64 bit SHT_REL section. */ | |
770 | ||
771 | typedef struct | |
772 | { | |
773 | /* Address of relocation. */ | |
774 | unsigned char r_offset[8]; | |
775 | /* Symbol index. */ | |
776 | unsigned char r_sym[4]; | |
777 | /* Special symbol. */ | |
778 | unsigned char r_ssym[1]; | |
779 | /* Third relocation. */ | |
780 | unsigned char r_type3[1]; | |
781 | /* Second relocation. */ | |
782 | unsigned char r_type2[1]; | |
783 | /* First relocation. */ | |
784 | unsigned char r_type[1]; | |
785 | } Elf64_Mips_External_Rel; | |
786 | ||
787 | typedef struct | |
788 | { | |
789 | /* Address of relocation. */ | |
790 | bfd_vma r_offset; | |
791 | /* Symbol index. */ | |
792 | unsigned long r_sym; | |
793 | /* Special symbol. */ | |
794 | unsigned char r_ssym; | |
795 | /* Third relocation. */ | |
796 | unsigned char r_type3; | |
797 | /* Second relocation. */ | |
798 | unsigned char r_type2; | |
799 | /* First relocation. */ | |
800 | unsigned char r_type; | |
801 | } Elf64_Mips_Internal_Rel; | |
802 | ||
803 | /* An entry in a 64 bit SHT_RELA section. */ | |
804 | ||
805 | typedef struct | |
806 | { | |
807 | /* Address of relocation. */ | |
808 | unsigned char r_offset[8]; | |
809 | /* Symbol index. */ | |
810 | unsigned char r_sym[4]; | |
811 | /* Special symbol. */ | |
812 | unsigned char r_ssym[1]; | |
813 | /* Third relocation. */ | |
814 | unsigned char r_type3[1]; | |
815 | /* Second relocation. */ | |
816 | unsigned char r_type2[1]; | |
817 | /* First relocation. */ | |
818 | unsigned char r_type[1]; | |
819 | /* Addend. */ | |
820 | unsigned char r_addend[8]; | |
821 | } Elf64_Mips_External_Rela; | |
822 | ||
823 | typedef struct | |
824 | { | |
825 | /* Address of relocation. */ | |
826 | bfd_vma r_offset; | |
827 | /* Symbol index. */ | |
828 | unsigned long r_sym; | |
829 | /* Special symbol. */ | |
830 | unsigned char r_ssym; | |
831 | /* Third relocation. */ | |
832 | unsigned char r_type3; | |
833 | /* Second relocation. */ | |
834 | unsigned char r_type2; | |
835 | /* First relocation. */ | |
836 | unsigned char r_type; | |
837 | /* Addend. */ | |
838 | bfd_signed_vma r_addend; | |
839 | } Elf64_Mips_Internal_Rela; | |
840 | ||
ae990a1a AM |
841 | /* MIPS ELF 64 relocation info access macros. */ |
842 | #define ELF64_MIPS_R_SSYM(i) (((i) >> 24) & 0xff) | |
843 | #define ELF64_MIPS_R_TYPE3(i) (((i) >> 16) & 0xff) | |
844 | #define ELF64_MIPS_R_TYPE2(i) (((i) >> 8) & 0xff) | |
845 | #define ELF64_MIPS_R_TYPE(i) ((i) & 0xff) | |
846 | ||
252b5132 RH |
847 | /* Values found in the r_ssym field of a relocation entry. */ |
848 | ||
849 | /* No relocation. */ | |
850 | #define RSS_UNDEF 0 | |
851 | ||
852 | /* Value of GP. */ | |
853 | #define RSS_GP 1 | |
854 | ||
855 | /* Value of GP in object being relocated. */ | |
856 | #define RSS_GP0 2 | |
857 | ||
858 | /* Address of location being relocated. */ | |
859 | #define RSS_LOC 3 | |
860 | \f | |
861 | /* A SHT_MIPS_OPTIONS section contains a series of options, each of | |
862 | which starts with this header. */ | |
863 | ||
864 | typedef struct | |
865 | { | |
866 | /* Type of option. */ | |
867 | unsigned char kind[1]; | |
868 | /* Size of option descriptor, including header. */ | |
869 | unsigned char size[1]; | |
870 | /* Section index of affected section, or 0 for global option. */ | |
871 | unsigned char section[2]; | |
872 | /* Information specific to this kind of option. */ | |
873 | unsigned char info[4]; | |
874 | } Elf_External_Options; | |
875 | ||
876 | typedef struct | |
877 | { | |
878 | /* Type of option. */ | |
879 | unsigned char kind; | |
880 | /* Size of option descriptor, including header. */ | |
881 | unsigned char size; | |
882 | /* Section index of affected section, or 0 for global option. */ | |
883 | unsigned short section; | |
884 | /* Information specific to this kind of option. */ | |
885 | unsigned long info; | |
886 | } Elf_Internal_Options; | |
887 | ||
888 | /* MIPS ELF option header swapping routines. */ | |
889 | extern void bfd_mips_elf_swap_options_in | |
fd6ba1fc | 890 | (bfd *, const Elf_External_Options *, Elf_Internal_Options *); |
252b5132 | 891 | extern void bfd_mips_elf_swap_options_out |
fd6ba1fc | 892 | (bfd *, const Elf_Internal_Options *, Elf_External_Options *); |
252b5132 RH |
893 | |
894 | /* Values which may appear in the kind field of an Elf_Options | |
895 | structure. */ | |
896 | ||
897 | /* Undefined. */ | |
898 | #define ODK_NULL 0 | |
899 | ||
900 | /* Register usage and GP value. */ | |
901 | #define ODK_REGINFO 1 | |
902 | ||
903 | /* Exception processing information. */ | |
904 | #define ODK_EXCEPTIONS 2 | |
905 | ||
906 | /* Section padding information. */ | |
907 | #define ODK_PAD 3 | |
908 | ||
909 | /* Hardware workarounds performed. */ | |
910 | #define ODK_HWPATCH 4 | |
911 | ||
912 | /* Fill value used by the linker. */ | |
913 | #define ODK_FILL 5 | |
914 | ||
915 | /* Reserved space for desktop tools. */ | |
916 | #define ODK_TAGS 6 | |
917 | ||
918 | /* Hardware workarounds, AND bits when merging. */ | |
919 | #define ODK_HWAND 7 | |
920 | ||
921 | /* Hardware workarounds, OR bits when merging. */ | |
922 | #define ODK_HWOR 8 | |
923 | ||
924 | /* GP group to use for text/data sections. */ | |
925 | #define ODK_GP_GROUP 9 | |
926 | ||
927 | /* ID information. */ | |
928 | #define ODK_IDENT 10 | |
929 | ||
930 | /* In the 32 bit ABI, an ODK_REGINFO option is just a Elf32_RegInfo | |
931 | structure. In the 64 bit ABI, it is the following structure. The | |
932 | info field of the options header is not used. */ | |
933 | ||
934 | typedef struct | |
935 | { | |
936 | /* Mask of general purpose registers used. */ | |
937 | unsigned char ri_gprmask[4]; | |
938 | /* Padding. */ | |
939 | unsigned char ri_pad[4]; | |
940 | /* Mask of co-processor registers used. */ | |
941 | unsigned char ri_cprmask[4][4]; | |
942 | /* GP register value for this object file. */ | |
943 | unsigned char ri_gp_value[8]; | |
944 | } Elf64_External_RegInfo; | |
945 | ||
946 | typedef struct | |
947 | { | |
948 | /* Mask of general purpose registers used. */ | |
949 | unsigned long ri_gprmask; | |
950 | /* Padding. */ | |
951 | unsigned long ri_pad; | |
952 | /* Mask of co-processor registers used. */ | |
953 | unsigned long ri_cprmask[4]; | |
954 | /* GP register value for this object file. */ | |
955 | bfd_vma ri_gp_value; | |
956 | } Elf64_Internal_RegInfo; | |
957 | ||
030d863d MM |
958 | typedef struct |
959 | { | |
960 | /* The hash value computed from the name of the corresponding | |
961 | dynamic symbol. */ | |
962 | unsigned char ms_hash_value[4]; | |
963 | /* Contains both the dynamic relocation index and the symbol flags | |
964 | field. The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used | |
965 | to access the individual values. The dynamic relocation index | |
966 | identifies the first entry in the .rel.dyn section that | |
967 | references the dynamic symbol corresponding to this msym entry. | |
968 | If the index is 0, no dynamic relocations are associated with the | |
969 | symbol. The symbol flags field is reserved for future use. */ | |
970 | unsigned char ms_info[4]; | |
971 | } Elf32_External_Msym; | |
972 | ||
973 | typedef struct | |
974 | { | |
975 | /* The hash value computed from the name of the corresponding | |
976 | dynamic symbol. */ | |
977 | unsigned long ms_hash_value; | |
978 | /* Contains both the dynamic relocation index and the symbol flags | |
979 | field. The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used | |
980 | to access the individual values. The dynamic relocation index | |
981 | identifies the first entry in the .rel.dyn section that | |
982 | references the dynamic symbol corresponding to this msym entry. | |
983 | If the index is 0, no dynamic relocations are associated with the | |
984 | symbol. The symbol flags field is reserved for future use. */ | |
985 | unsigned long ms_info; | |
986 | } Elf32_Internal_Msym; | |
987 | ||
988 | #define ELF32_MS_REL_INDEX(i) ((i) >> 8) | |
989 | #define ELF32_MS_FLAGS(i) (i) & 0xff) | |
990 | #define ELF32_MS_INFO(r, f) (((r) << 8) + ((f) & 0xff)) | |
991 | ||
252b5132 RH |
992 | /* MIPS ELF reginfo swapping routines. */ |
993 | extern void bfd_mips_elf64_swap_reginfo_in | |
fd6ba1fc | 994 | (bfd *, const Elf64_External_RegInfo *, Elf64_Internal_RegInfo *); |
252b5132 | 995 | extern void bfd_mips_elf64_swap_reginfo_out |
fd6ba1fc | 996 | (bfd *, const Elf64_Internal_RegInfo *, Elf64_External_RegInfo *); |
252b5132 RH |
997 | |
998 | /* Masks for the info work of an ODK_EXCEPTIONS descriptor. */ | |
999 | #define OEX_FPU_MIN 0x1f /* FPEs which must be enabled. */ | |
1000 | #define OEX_FPU_MAX 0x1f00 /* FPEs which may be enabled. */ | |
1001 | #define OEX_PAGE0 0x10000 /* Page zero must be mapped. */ | |
1002 | #define OEX_SMM 0x20000 /* Force sequential memory mode. */ | |
ae990a1a AM |
1003 | #define OEX_FPDBUG 0x40000 /* Force precise floating-point |
1004 | exceptions (debug mode). */ | |
252b5132 RH |
1005 | #define OEX_DISMISS 0x80000 /* Dismiss invalid address faults. */ |
1006 | ||
1007 | /* Masks of the FP exceptions for OEX_FPU_MIN and OEX_FPU_MAX. */ | |
1008 | #define OEX_FPU_INVAL 0x10 /* Invalid operation exception. */ | |
1009 | #define OEX_FPU_DIV0 0x08 /* Division by zero exception. */ | |
1010 | #define OEX_FPU_OFLO 0x04 /* Overflow exception. */ | |
1011 | #define OEX_FPU_UFLO 0x02 /* Underflow exception. */ | |
1012 | #define OEX_FPU_INEX 0x01 /* Inexact exception. */ | |
1013 | ||
1014 | /* Masks for the info word of an ODK_PAD descriptor. */ | |
1015 | #define OPAD_PREFIX 0x01 | |
1016 | #define OPAD_POSTFIX 0x02 | |
1017 | #define OPAD_SYMBOL 0x04 | |
1018 | ||
1019 | /* Masks for the info word of an ODK_HWPATCH descriptor. */ | |
ae990a1a AM |
1020 | #define OHW_R4KEOP 0x00000001 /* R4000 end-of-page patch. */ |
1021 | #define OHW_R8KPFETCH 0x00000002 /* May need R8000 prefetch patch. */ | |
1022 | #define OHW_R5KEOP 0x00000004 /* R5000 end-of-page patch. */ | |
1023 | #define OHW_R5KCVTL 0x00000008 /* R5000 cvt.[ds].l bug | |
1024 | (clean == 1). */ | |
1025 | #define OHW_R10KLDL 0x00000010 /* Needs R10K misaligned | |
1026 | load patch. */ | |
252b5132 RH |
1027 | |
1028 | /* Masks for the info word of an ODK_IDENT/ODK_GP_GROUP descriptor. */ | |
1029 | #define OGP_GROUP 0x0000ffff /* GP group number. */ | |
1030 | #define OGP_SELF 0xffff0000 /* Self-contained GP groups. */ | |
1031 | ||
1032 | /* Masks for the info word of an ODK_HWAND/ODK_HWOR descriptor. */ | |
1033 | #define OHWA0_R4KEOP_CHECKED 0x00000001 | |
1034 | #define OHWA0_R4KEOP_CLEAN 0x00000002 | |
1035 | \f | |
1036 | ||
2cf19d5c JM |
1037 | /* Object attribute tags. */ |
1038 | enum | |
1039 | { | |
1040 | /* 0-3 are generic. */ | |
1041 | Tag_GNU_MIPS_ABI_FP = 4, /* Value 1 for hard-float -mdouble-float, 2 | |
1042 | for hard-float -msingle-float, 3 for | |
42554f6a TS |
1043 | soft-float, 4 for -mips32r2 -mfp64; 0 for |
1044 | not tagged or not using any ABIs affected | |
1045 | by the differences. */ | |
2cf19d5c JM |
1046 | }; |
1047 | ||
252b5132 | 1048 | #endif /* _ELF_MIPS_H */ |