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Commit | Line | Data |
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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) | |
df58fc94 RS |
105 | |
106 | /* These relocations are specific to microMIPS. */ | |
107 | FAKE_RELOC (R_MICROMIPS_min, 130) | |
108 | RELOC_NUMBER (R_MICROMIPS_26_S1, 133) | |
109 | RELOC_NUMBER (R_MICROMIPS_HI16, 134) | |
110 | RELOC_NUMBER (R_MICROMIPS_LO16, 135) | |
111 | RELOC_NUMBER (R_MICROMIPS_GPREL16, 136) /* In Elf 64: | |
112 | alias R_MICROMIPS_GPREL */ | |
113 | RELOC_NUMBER (R_MICROMIPS_LITERAL, 137) | |
114 | RELOC_NUMBER (R_MICROMIPS_GOT16, 138) /* In Elf 64: | |
115 | alias R_MICROMIPS_GOT */ | |
116 | RELOC_NUMBER (R_MICROMIPS_PC7_S1, 139) | |
117 | RELOC_NUMBER (R_MICROMIPS_PC10_S1, 140) | |
118 | RELOC_NUMBER (R_MICROMIPS_PC16_S1, 141) | |
119 | RELOC_NUMBER (R_MICROMIPS_CALL16, 142) /* In Elf 64: | |
120 | alias R_MICROMIPS_CALL */ | |
121 | RELOC_NUMBER (R_MICROMIPS_GOT_DISP, 145) | |
122 | RELOC_NUMBER (R_MICROMIPS_GOT_PAGE, 146) | |
123 | RELOC_NUMBER (R_MICROMIPS_GOT_OFST, 147) | |
124 | RELOC_NUMBER (R_MICROMIPS_GOT_HI16, 148) | |
125 | RELOC_NUMBER (R_MICROMIPS_GOT_LO16, 149) | |
126 | RELOC_NUMBER (R_MICROMIPS_SUB, 150) | |
127 | RELOC_NUMBER (R_MICROMIPS_HIGHER, 151) | |
128 | RELOC_NUMBER (R_MICROMIPS_HIGHEST, 152) | |
129 | RELOC_NUMBER (R_MICROMIPS_CALL_HI16, 153) | |
130 | RELOC_NUMBER (R_MICROMIPS_CALL_LO16, 154) | |
131 | RELOC_NUMBER (R_MICROMIPS_SCN_DISP, 155) | |
132 | RELOC_NUMBER (R_MICROMIPS_JALR, 156) | |
133 | RELOC_NUMBER (R_MICROMIPS_HI0_LO16, 157) | |
134 | /* TLS relocations. */ | |
135 | RELOC_NUMBER (R_MICROMIPS_TLS_GD, 162) | |
136 | RELOC_NUMBER (R_MICROMIPS_TLS_LDM, 163) | |
137 | RELOC_NUMBER (R_MICROMIPS_TLS_DTPREL_HI16, 164) | |
138 | RELOC_NUMBER (R_MICROMIPS_TLS_DTPREL_LO16, 165) | |
139 | RELOC_NUMBER (R_MICROMIPS_TLS_GOTTPREL, 166) | |
140 | RELOC_NUMBER (R_MICROMIPS_TLS_TPREL_HI16, 169) | |
141 | RELOC_NUMBER (R_MICROMIPS_TLS_TPREL_LO16, 170) | |
142 | /* microMIPS GP- and PC-relative relocations. */ | |
143 | RELOC_NUMBER (R_MICROMIPS_GPREL7_S2, 172) | |
144 | RELOC_NUMBER (R_MICROMIPS_PC23_S2, 173) | |
145 | FAKE_RELOC (R_MICROMIPS_max, 174) | |
146 | ||
092dcd75 CD |
147 | /* This was a GNU extension used by embedded-PIC. It was co-opted by |
148 | mips-linux for exception-handling data. It is no longer used, but | |
149 | should continue to be supported by the linker for backward | |
150 | compatibility. (GCC stopped using it in May, 2004.) */ | |
151 | RELOC_NUMBER (R_MIPS_PC32, 248) | |
4030e8f6 | 152 | /* FIXME: this relocation is used internally by gas. */ |
bb2d6cd7 | 153 | RELOC_NUMBER (R_MIPS_GNU_REL16_S2, 250) |
252b5132 RH |
154 | /* These are GNU extensions to enable C++ vtable garbage collection. */ |
155 | RELOC_NUMBER (R_MIPS_GNU_VTINHERIT, 253) | |
156 | RELOC_NUMBER (R_MIPS_GNU_VTENTRY, 254) | |
1b452ec6 | 157 | END_RELOC_NUMBERS (R_MIPS_maxext) |
252b5132 RH |
158 | |
159 | /* Processor specific flags for the ELF header e_flags field. */ | |
160 | ||
161 | /* At least one .noreorder directive appears in the source. */ | |
162 | #define EF_MIPS_NOREORDER 0x00000001 | |
163 | ||
164 | /* File contains position independent code. */ | |
165 | #define EF_MIPS_PIC 0x00000002 | |
166 | ||
167 | /* Code in file uses the standard calling sequence for calling | |
168 | position independent code. */ | |
169 | #define EF_MIPS_CPIC 0x00000004 | |
170 | ||
6aefc216 AO |
171 | /* ??? Unknown flag, set in IRIX 6's BSDdup2.o in libbsd.a. */ |
172 | #define EF_MIPS_XGOT 0x00000008 | |
173 | ||
ae990a1a AM |
174 | /* Code in file uses UCODE (obsolete) */ |
175 | #define EF_MIPS_UCODE 0x00000010 | |
176 | ||
252b5132 RH |
177 | /* Code in file uses new ABI (-n32 on Irix 6). */ |
178 | #define EF_MIPS_ABI2 0x00000020 | |
179 | ||
ae990a1a AM |
180 | /* Process the .MIPS.options section first by ld */ |
181 | #define EF_MIPS_OPTIONS_FIRST 0x00000080 | |
182 | ||
183 | /* Architectural Extensions used by this file */ | |
184 | #define EF_MIPS_ARCH_ASE 0x0f000000 | |
185 | ||
186 | /* Use MDMX multimedia extensions */ | |
187 | #define EF_MIPS_ARCH_ASE_MDMX 0x08000000 | |
188 | ||
189 | /* Use MIPS-16 ISA extensions */ | |
190 | #define EF_MIPS_ARCH_ASE_M16 0x04000000 | |
191 | ||
df58fc94 RS |
192 | /* Use MICROMIPS ISA extensions. */ |
193 | #define EF_MIPS_ARCH_ASE_MICROMIPS 0x02000000 | |
194 | ||
cc51ea79 | 195 | /* Indicates code compiled for a 64-bit machine in 32-bit mode. |
252b5132 RH |
196 | (regs are 32-bits wide.) */ |
197 | #define EF_MIPS_32BITMODE 0x00000100 | |
198 | ||
199 | /* Four bit MIPS architecture field. */ | |
200 | #define EF_MIPS_ARCH 0xf0000000 | |
201 | ||
202 | /* -mips1 code. */ | |
203 | #define E_MIPS_ARCH_1 0x00000000 | |
204 | ||
205 | /* -mips2 code. */ | |
206 | #define E_MIPS_ARCH_2 0x10000000 | |
207 | ||
208 | /* -mips3 code. */ | |
209 | #define E_MIPS_ARCH_3 0x20000000 | |
210 | ||
211 | /* -mips4 code. */ | |
212 | #define E_MIPS_ARCH_4 0x30000000 | |
213 | ||
84ea6cf2 | 214 | /* -mips5 code. */ |
bf40d919 | 215 | #define E_MIPS_ARCH_5 0x40000000 |
84ea6cf2 | 216 | |
e7af610e | 217 | /* -mips32 code. */ |
bf40d919 | 218 | #define E_MIPS_ARCH_32 0x50000000 |
e7af610e | 219 | |
84ea6cf2 | 220 | /* -mips64 code. */ |
bf40d919 | 221 | #define E_MIPS_ARCH_64 0x60000000 |
84ea6cf2 | 222 | |
af7ee8bf CD |
223 | /* -mips32r2 code. */ |
224 | #define E_MIPS_ARCH_32R2 0x70000000 | |
225 | ||
5f74bc13 CD |
226 | /* -mips64r2 code. */ |
227 | #define E_MIPS_ARCH_64R2 0x80000000 | |
228 | ||
252b5132 RH |
229 | /* The ABI of the file. Also see EF_MIPS_ABI2 above. */ |
230 | #define EF_MIPS_ABI 0x0000F000 | |
231 | ||
232 | /* The original o32 abi. */ | |
233 | #define E_MIPS_ABI_O32 0x00001000 | |
234 | ||
235 | /* O32 extended to work on 64 bit architectures */ | |
236 | #define E_MIPS_ABI_O64 0x00002000 | |
237 | ||
238 | /* EABI in 32 bit mode */ | |
239 | #define E_MIPS_ABI_EABI32 0x00003000 | |
240 | ||
241 | /* EABI in 64 bit mode */ | |
242 | #define E_MIPS_ABI_EABI64 0x00004000 | |
243 | ||
244 | ||
245 | /* Machine variant if we know it. This field was invented at Cygnus, | |
246 | but it is hoped that other vendors will adopt it. If some standard | |
247 | is developed, this code should be changed to follow it. */ | |
248 | ||
249 | #define EF_MIPS_MACH 0x00FF0000 | |
250 | ||
251 | /* Cygnus is choosing values between 80 and 9F; | |
252 | 00 - 7F should be left for a future standard; | |
253 | the rest are open. */ | |
254 | ||
255 | #define E_MIPS_MACH_3900 0x00810000 | |
252b5132 RH |
256 | #define E_MIPS_MACH_4010 0x00820000 |
257 | #define E_MIPS_MACH_4100 0x00830000 | |
258 | #define E_MIPS_MACH_4650 0x00850000 | |
00707a0e | 259 | #define E_MIPS_MACH_4120 0x00870000 |
252b5132 | 260 | #define E_MIPS_MACH_4111 0x00880000 |
c6c98b38 | 261 | #define E_MIPS_MACH_SB1 0x008a0000 |
7b03d09a | 262 | #define E_MIPS_MACH_OCTEON 0x008b0000 |
52b6b6b9 | 263 | #define E_MIPS_MACH_XLR 0x008c0000 |
67c2a3e8 | 264 | #define E_MIPS_MACH_OCTEON2 0x008d0000 |
00707a0e RS |
265 | #define E_MIPS_MACH_5400 0x00910000 |
266 | #define E_MIPS_MACH_5500 0x00980000 | |
69881c93 | 267 | #define E_MIPS_MACH_9000 0x00990000 |
350cc38d MS |
268 | #define E_MIPS_MACH_LS2E 0x00A00000 |
269 | #define E_MIPS_MACH_LS2F 0x00A10000 | |
fd503541 | 270 | #define E_MIPS_MACH_LS3A 0x00A20000 |
252b5132 RH |
271 | \f |
272 | /* Processor specific section indices. These sections do not actually | |
273 | exist. Symbols with a st_shndx field corresponding to one of these | |
274 | values have a special meaning. */ | |
275 | ||
276 | /* Defined and allocated common symbol. Value is virtual address. If | |
277 | relocated, alignment must be preserved. */ | |
1bce5d2c | 278 | #define SHN_MIPS_ACOMMON SHN_LORESERVE |
252b5132 RH |
279 | |
280 | /* Defined and allocated text symbol. Value is virtual address. | |
281 | Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables. */ | |
1bce5d2c | 282 | #define SHN_MIPS_TEXT (SHN_LORESERVE + 1) |
252b5132 RH |
283 | |
284 | /* Defined and allocated data symbol. Value is virtual address. | |
285 | Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables. */ | |
1bce5d2c | 286 | #define SHN_MIPS_DATA (SHN_LORESERVE + 2) |
252b5132 RH |
287 | |
288 | /* Small common symbol. */ | |
1bce5d2c | 289 | #define SHN_MIPS_SCOMMON (SHN_LORESERVE + 3) |
252b5132 RH |
290 | |
291 | /* Small undefined symbol. */ | |
1bce5d2c | 292 | #define SHN_MIPS_SUNDEFINED (SHN_LORESERVE + 4) |
252b5132 RH |
293 | \f |
294 | /* Processor specific section types. */ | |
295 | ||
296 | /* Section contains the set of dynamic shared objects used when | |
297 | statically linking. */ | |
298 | #define SHT_MIPS_LIBLIST 0x70000000 | |
299 | ||
300 | /* I'm not sure what this is, but it's used on Irix 5. */ | |
301 | #define SHT_MIPS_MSYM 0x70000001 | |
302 | ||
303 | /* Section contains list of symbols whose definitions conflict with | |
304 | symbols defined in shared objects. */ | |
305 | #define SHT_MIPS_CONFLICT 0x70000002 | |
306 | ||
307 | /* Section contains the global pointer table. */ | |
308 | #define SHT_MIPS_GPTAB 0x70000003 | |
309 | ||
310 | /* Section contains microcode information. The exact format is | |
311 | unspecified. */ | |
312 | #define SHT_MIPS_UCODE 0x70000004 | |
313 | ||
314 | /* Section contains some sort of debugging information. The exact | |
315 | format is unspecified. It's probably ECOFF symbols. */ | |
316 | #define SHT_MIPS_DEBUG 0x70000005 | |
317 | ||
318 | /* Section contains register usage information. */ | |
319 | #define SHT_MIPS_REGINFO 0x70000006 | |
320 | ||
321 | /* ??? */ | |
322 | #define SHT_MIPS_PACKAGE 0x70000007 | |
323 | ||
324 | /* ??? */ | |
325 | #define SHT_MIPS_PACKSYM 0x70000008 | |
326 | ||
327 | /* ??? */ | |
328 | #define SHT_MIPS_RELD 0x70000009 | |
329 | ||
330 | /* Section contains interface information. */ | |
331 | #define SHT_MIPS_IFACE 0x7000000b | |
332 | ||
333 | /* Section contains description of contents of another section. */ | |
334 | #define SHT_MIPS_CONTENT 0x7000000c | |
335 | ||
336 | /* Section contains miscellaneous options. */ | |
337 | #define SHT_MIPS_OPTIONS 0x7000000d | |
338 | ||
339 | /* ??? */ | |
340 | #define SHT_MIPS_SHDR 0x70000010 | |
341 | ||
342 | /* ??? */ | |
343 | #define SHT_MIPS_FDESC 0x70000011 | |
344 | ||
345 | /* ??? */ | |
346 | #define SHT_MIPS_EXTSYM 0x70000012 | |
347 | ||
348 | /* ??? */ | |
349 | #define SHT_MIPS_DENSE 0x70000013 | |
350 | ||
351 | /* ??? */ | |
352 | #define SHT_MIPS_PDESC 0x70000014 | |
353 | ||
354 | /* ??? */ | |
355 | #define SHT_MIPS_LOCSYM 0x70000015 | |
356 | ||
357 | /* ??? */ | |
358 | #define SHT_MIPS_AUXSYM 0x70000016 | |
359 | ||
360 | /* ??? */ | |
361 | #define SHT_MIPS_OPTSYM 0x70000017 | |
362 | ||
363 | /* ??? */ | |
364 | #define SHT_MIPS_LOCSTR 0x70000018 | |
365 | ||
366 | /* ??? */ | |
367 | #define SHT_MIPS_LINE 0x70000019 | |
368 | ||
369 | /* ??? */ | |
370 | #define SHT_MIPS_RFDESC 0x7000001a | |
371 | ||
ae990a1a | 372 | /* Delta C++: symbol table */ |
252b5132 RH |
373 | #define SHT_MIPS_DELTASYM 0x7000001b |
374 | ||
ae990a1a | 375 | /* Delta C++: instance table */ |
252b5132 RH |
376 | #define SHT_MIPS_DELTAINST 0x7000001c |
377 | ||
ae990a1a | 378 | /* Delta C++: class table */ |
252b5132 RH |
379 | #define SHT_MIPS_DELTACLASS 0x7000001d |
380 | ||
381 | /* DWARF debugging section. */ | |
382 | #define SHT_MIPS_DWARF 0x7000001e | |
383 | ||
ae990a1a | 384 | /* Delta C++: declarations */ |
252b5132 RH |
385 | #define SHT_MIPS_DELTADECL 0x7000001f |
386 | ||
387 | /* List of libraries the binary depends on. Includes a time stamp, version | |
388 | number. */ | |
389 | #define SHT_MIPS_SYMBOL_LIB 0x70000020 | |
390 | ||
391 | /* Events section. */ | |
392 | #define SHT_MIPS_EVENTS 0x70000021 | |
393 | ||
394 | /* ??? */ | |
395 | #define SHT_MIPS_TRANSLATE 0x70000022 | |
396 | ||
ae990a1a | 397 | /* Special pixie sections */ |
252b5132 RH |
398 | #define SHT_MIPS_PIXIE 0x70000023 |
399 | ||
ae990a1a | 400 | /* Address translation table (for debug info) */ |
252b5132 RH |
401 | #define SHT_MIPS_XLATE 0x70000024 |
402 | ||
ae990a1a | 403 | /* SGI internal address translation table (for debug info) */ |
252b5132 RH |
404 | #define SHT_MIPS_XLATE_DEBUG 0x70000025 |
405 | ||
ae990a1a | 406 | /* Intermediate code */ |
252b5132 RH |
407 | #define SHT_MIPS_WHIRL 0x70000026 |
408 | ||
ae990a1a | 409 | /* C++ exception handling region info */ |
252b5132 RH |
410 | #define SHT_MIPS_EH_REGION 0x70000027 |
411 | ||
ae990a1a | 412 | /* Obsolete address translation table (for debug info) */ |
252b5132 RH |
413 | #define SHT_MIPS_XLATE_OLD 0x70000028 |
414 | ||
ae990a1a | 415 | /* Runtime procedure descriptor table exception information (ucode) ??? */ |
252b5132 RH |
416 | #define SHT_MIPS_PDR_EXCEPTION 0x70000029 |
417 | ||
418 | ||
419 | /* A section of type SHT_MIPS_LIBLIST contains an array of the | |
420 | following structure. The sh_link field is the section index of the | |
421 | string table. The sh_info field is the number of entries in the | |
422 | section. */ | |
423 | typedef struct | |
424 | { | |
425 | /* String table index for name of shared object. */ | |
426 | unsigned long l_name; | |
427 | /* Time stamp. */ | |
428 | unsigned long l_time_stamp; | |
429 | /* Checksum of symbol names and common sizes. */ | |
430 | unsigned long l_checksum; | |
431 | /* String table index for version. */ | |
432 | unsigned long l_version; | |
433 | /* Flags. */ | |
434 | unsigned long l_flags; | |
435 | } Elf32_Lib; | |
436 | ||
437 | /* The external version of Elf32_Lib. */ | |
438 | typedef struct | |
439 | { | |
440 | unsigned char l_name[4]; | |
441 | unsigned char l_time_stamp[4]; | |
442 | unsigned char l_checksum[4]; | |
443 | unsigned char l_version[4]; | |
444 | unsigned char l_flags[4]; | |
445 | } Elf32_External_Lib; | |
446 | ||
447 | /* The l_flags field of an Elf32_Lib structure may contain the | |
448 | following flags. */ | |
449 | ||
450 | /* Require an exact match at runtime. */ | |
451 | #define LL_EXACT_MATCH 0x00000001 | |
452 | ||
453 | /* Ignore version incompatibilities at runtime. */ | |
454 | #define LL_IGNORE_INT_VER 0x00000002 | |
455 | ||
456 | /* Require matching minor version number. */ | |
457 | #define LL_REQUIRE_MINOR 0x00000004 | |
458 | ||
459 | /* ??? */ | |
460 | #define LL_EXPORTS 0x00000008 | |
461 | ||
462 | /* Delay loading of this library until really needed. */ | |
463 | #define LL_DELAY_LOAD 0x00000010 | |
464 | ||
465 | /* ??? Delta C++ stuff ??? */ | |
466 | #define LL_DELTA 0x00000020 | |
467 | ||
468 | ||
469 | /* A section of type SHT_MIPS_CONFLICT is an array of indices into the | |
470 | .dynsym section. Each element has the following type. */ | |
471 | typedef unsigned long Elf32_Conflict; | |
472 | typedef unsigned char Elf32_External_Conflict[4]; | |
473 | ||
474 | typedef unsigned long Elf64_Conflict; | |
475 | typedef unsigned char Elf64_External_Conflict[8]; | |
476 | ||
477 | /* A section of type SHT_MIPS_GPTAB contains information about how | |
478 | much GP space would be required for different -G arguments. This | |
479 | information is only used so that the linker can provide informative | |
480 | suggestions as to the best -G value to use. The sh_info field is | |
481 | the index of the section for which this information applies. The | |
482 | contents of the section are an array of the following union. The | |
483 | first element uses the gt_header field. The remaining elements use | |
484 | the gt_entry field. */ | |
485 | typedef union | |
486 | { | |
487 | struct | |
488 | { | |
489 | /* -G value actually used for this object file. */ | |
490 | unsigned long gt_current_g_value; | |
491 | /* Unused. */ | |
492 | unsigned long gt_unused; | |
493 | } gt_header; | |
494 | struct | |
495 | { | |
496 | /* If this -G argument has been used... */ | |
497 | unsigned long gt_g_value; | |
498 | /* ...this many GP section bytes would be required. */ | |
499 | unsigned long gt_bytes; | |
500 | } gt_entry; | |
501 | } Elf32_gptab; | |
502 | ||
503 | /* The external version of Elf32_gptab. */ | |
504 | ||
505 | typedef union | |
506 | { | |
507 | struct | |
508 | { | |
509 | unsigned char gt_current_g_value[4]; | |
510 | unsigned char gt_unused[4]; | |
511 | } gt_header; | |
512 | struct | |
513 | { | |
514 | unsigned char gt_g_value[4]; | |
515 | unsigned char gt_bytes[4]; | |
516 | } gt_entry; | |
517 | } Elf32_External_gptab; | |
518 | ||
519 | /* A section of type SHT_MIPS_REGINFO contains the following | |
520 | structure. */ | |
521 | typedef struct | |
522 | { | |
523 | /* Mask of general purpose registers used. */ | |
524 | unsigned long ri_gprmask; | |
525 | /* Mask of co-processor registers used. */ | |
526 | unsigned long ri_cprmask[4]; | |
527 | /* GP register value for this object file. */ | |
528 | long ri_gp_value; | |
529 | } Elf32_RegInfo; | |
530 | ||
531 | /* The external version of the Elf_RegInfo structure. */ | |
532 | typedef struct | |
533 | { | |
534 | unsigned char ri_gprmask[4]; | |
535 | unsigned char ri_cprmask[4][4]; | |
536 | unsigned char ri_gp_value[4]; | |
537 | } Elf32_External_RegInfo; | |
538 | ||
539 | /* MIPS ELF .reginfo swapping routines. */ | |
540 | extern void bfd_mips_elf32_swap_reginfo_in | |
fd6ba1fc | 541 | (bfd *, const Elf32_External_RegInfo *, Elf32_RegInfo *); |
252b5132 | 542 | extern void bfd_mips_elf32_swap_reginfo_out |
fd6ba1fc | 543 | (bfd *, const Elf32_RegInfo *, Elf32_External_RegInfo *); |
252b5132 RH |
544 | \f |
545 | /* Processor specific section flags. */ | |
546 | ||
547 | /* This section must be in the global data area. */ | |
548 | #define SHF_MIPS_GPREL 0x10000000 | |
549 | ||
550 | /* This section should be merged. */ | |
551 | #define SHF_MIPS_MERGE 0x20000000 | |
552 | ||
ae990a1a AM |
553 | /* This section contains address data of size implied by section |
554 | element size. */ | |
555 | #define SHF_MIPS_ADDR 0x40000000 | |
252b5132 | 556 | |
ae990a1a AM |
557 | /* This section contains string data. */ |
558 | #define SHF_MIPS_STRING 0x80000000 | |
252b5132 RH |
559 | |
560 | /* This section may not be stripped. */ | |
561 | #define SHF_MIPS_NOSTRIP 0x08000000 | |
562 | ||
563 | /* This section is local to threads. */ | |
564 | #define SHF_MIPS_LOCAL 0x04000000 | |
565 | ||
566 | /* Linker should generate implicit weak names for this section. */ | |
567 | #define SHF_MIPS_NAMES 0x02000000 | |
ae990a1a AM |
568 | |
569 | /* Section contais text/data which may be replicated in other sections. | |
570 | Linker should retain only one copy. */ | |
571 | #define SHF_MIPS_NODUPES 0x01000000 | |
252b5132 RH |
572 | \f |
573 | /* Processor specific program header types. */ | |
574 | ||
575 | /* Register usage information. Identifies one .reginfo section. */ | |
576 | #define PT_MIPS_REGINFO 0x70000000 | |
577 | ||
578 | /* Runtime procedure table. */ | |
579 | #define PT_MIPS_RTPROC 0x70000001 | |
580 | ||
ae990a1a | 581 | /* .MIPS.options section. */ |
252b5132 RH |
582 | #define PT_MIPS_OPTIONS 0x70000002 |
583 | \f | |
584 | /* Processor specific dynamic array tags. */ | |
585 | ||
586 | /* 32 bit version number for runtime linker interface. */ | |
587 | #define DT_MIPS_RLD_VERSION 0x70000001 | |
588 | ||
589 | /* Time stamp. */ | |
590 | #define DT_MIPS_TIME_STAMP 0x70000002 | |
591 | ||
592 | /* Checksum of external strings and common sizes. */ | |
593 | #define DT_MIPS_ICHECKSUM 0x70000003 | |
594 | ||
595 | /* Index of version string in string table. */ | |
596 | #define DT_MIPS_IVERSION 0x70000004 | |
597 | ||
598 | /* 32 bits of flags. */ | |
599 | #define DT_MIPS_FLAGS 0x70000005 | |
600 | ||
601 | /* Base address of the segment. */ | |
602 | #define DT_MIPS_BASE_ADDRESS 0x70000006 | |
603 | ||
604 | /* ??? */ | |
605 | #define DT_MIPS_MSYM 0x70000007 | |
606 | ||
607 | /* Address of .conflict section. */ | |
608 | #define DT_MIPS_CONFLICT 0x70000008 | |
609 | ||
610 | /* Address of .liblist section. */ | |
611 | #define DT_MIPS_LIBLIST 0x70000009 | |
612 | ||
613 | /* Number of local global offset table entries. */ | |
614 | #define DT_MIPS_LOCAL_GOTNO 0x7000000a | |
615 | ||
616 | /* Number of entries in the .conflict section. */ | |
617 | #define DT_MIPS_CONFLICTNO 0x7000000b | |
618 | ||
619 | /* Number of entries in the .liblist section. */ | |
620 | #define DT_MIPS_LIBLISTNO 0x70000010 | |
621 | ||
622 | /* Number of entries in the .dynsym section. */ | |
623 | #define DT_MIPS_SYMTABNO 0x70000011 | |
624 | ||
625 | /* Index of first external dynamic symbol not referenced locally. */ | |
626 | #define DT_MIPS_UNREFEXTNO 0x70000012 | |
627 | ||
628 | /* Index of first dynamic symbol in global offset table. */ | |
629 | #define DT_MIPS_GOTSYM 0x70000013 | |
630 | ||
631 | /* Number of page table entries in global offset table. */ | |
632 | #define DT_MIPS_HIPAGENO 0x70000014 | |
633 | ||
634 | /* Address of run time loader map, used for debugging. */ | |
635 | #define DT_MIPS_RLD_MAP 0x70000016 | |
636 | ||
637 | /* Delta C++ class definition. */ | |
638 | #define DT_MIPS_DELTA_CLASS 0x70000017 | |
639 | ||
640 | /* Number of entries in DT_MIPS_DELTA_CLASS. */ | |
641 | #define DT_MIPS_DELTA_CLASS_NO 0x70000018 | |
642 | ||
643 | /* Delta C++ class instances. */ | |
644 | #define DT_MIPS_DELTA_INSTANCE 0x70000019 | |
645 | ||
646 | /* Number of entries in DT_MIPS_DELTA_INSTANCE. */ | |
647 | #define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a | |
648 | ||
649 | /* Delta relocations. */ | |
650 | #define DT_MIPS_DELTA_RELOC 0x7000001b | |
651 | ||
652 | /* Number of entries in DT_MIPS_DELTA_RELOC. */ | |
653 | #define DT_MIPS_DELTA_RELOC_NO 0x7000001c | |
654 | ||
655 | /* Delta symbols that Delta relocations refer to. */ | |
656 | #define DT_MIPS_DELTA_SYM 0x7000001d | |
657 | ||
658 | /* Number of entries in DT_MIPS_DELTA_SYM. */ | |
659 | #define DT_MIPS_DELTA_SYM_NO 0x7000001e | |
660 | ||
661 | /* Delta symbols that hold class declarations. */ | |
662 | #define DT_MIPS_DELTA_CLASSSYM 0x70000020 | |
663 | ||
664 | /* Number of entries in DT_MIPS_DELTA_CLASSSYM. */ | |
665 | #define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 | |
666 | ||
667 | /* Flags indicating information about C++ flavor. */ | |
668 | #define DT_MIPS_CXX_FLAGS 0x70000022 | |
669 | ||
670 | /* Pixie information (???). */ | |
671 | #define DT_MIPS_PIXIE_INIT 0x70000023 | |
672 | ||
ae990a1a | 673 | /* Address of .MIPS.symlib */ |
252b5132 RH |
674 | #define DT_MIPS_SYMBOL_LIB 0x70000024 |
675 | ||
ae990a1a | 676 | /* The GOT index of the first PTE for a segment */ |
252b5132 RH |
677 | #define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025 |
678 | ||
ae990a1a | 679 | /* The GOT index of the first PTE for a local symbol */ |
252b5132 RH |
680 | #define DT_MIPS_LOCAL_GOTIDX 0x70000026 |
681 | ||
ae990a1a | 682 | /* The GOT index of the first PTE for a hidden symbol */ |
252b5132 RH |
683 | #define DT_MIPS_HIDDEN_GOTIDX 0x70000027 |
684 | ||
ae990a1a | 685 | /* The GOT index of the first PTE for a protected symbol */ |
252b5132 RH |
686 | #define DT_MIPS_PROTECTED_GOTIDX 0x70000028 |
687 | ||
688 | /* Address of `.MIPS.options'. */ | |
689 | #define DT_MIPS_OPTIONS 0x70000029 | |
690 | ||
691 | /* Address of `.interface'. */ | |
692 | #define DT_MIPS_INTERFACE 0x7000002a | |
693 | ||
694 | /* ??? */ | |
695 | #define DT_MIPS_DYNSTR_ALIGN 0x7000002b | |
696 | ||
697 | /* Size of the .interface section. */ | |
698 | #define DT_MIPS_INTERFACE_SIZE 0x7000002c | |
699 | ||
700 | /* Size of rld_text_resolve function stored in the GOT. */ | |
701 | #define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d | |
702 | ||
703 | /* Default suffix of DSO to be added by rld on dlopen() calls. */ | |
704 | #define DT_MIPS_PERF_SUFFIX 0x7000002e | |
705 | ||
706 | /* Size of compact relocation section (O32). */ | |
707 | #define DT_MIPS_COMPACT_SIZE 0x7000002f | |
708 | ||
709 | /* GP value for auxiliary GOTs. */ | |
710 | #define DT_MIPS_GP_VALUE 0x70000030 | |
711 | ||
712 | /* Address of auxiliary .dynamic. */ | |
713 | #define DT_MIPS_AUX_DYNAMIC 0x70000031 | |
861fb55a DJ |
714 | |
715 | /* Address of the base of the PLTGOT. */ | |
716 | #define DT_MIPS_PLTGOT 0x70000032 | |
717 | ||
718 | /* Points to the base of a writable PLT. */ | |
719 | #define DT_MIPS_RWPLT 0x70000034 | |
252b5132 RH |
720 | \f |
721 | /* Flags which may appear in a DT_MIPS_FLAGS entry. */ | |
722 | ||
723 | /* No flags. */ | |
724 | #define RHF_NONE 0x00000000 | |
725 | ||
726 | /* Uses shortcut pointers. */ | |
727 | #define RHF_QUICKSTART 0x00000001 | |
728 | ||
729 | /* Hash size is not a power of two. */ | |
730 | #define RHF_NOTPOT 0x00000002 | |
731 | ||
732 | /* Ignore LD_LIBRARY_PATH. */ | |
ae990a1a | 733 | #define RHS_NO_LIBRARY_REPLACEMENT 0x00000004 |
252b5132 | 734 | |
ae990a1a AM |
735 | /* DSO address may not be relocated. */ |
736 | #define RHF_NO_MOVE 0x00000008 | |
737 | ||
738 | /* SGI specific features. */ | |
739 | #define RHF_SGI_ONLY 0x00000010 | |
740 | ||
741 | /* Guarantee that .init will finish executing before any non-init | |
742 | code in DSO is called. */ | |
252b5132 | 743 | #define RHF_GUARANTEE_INIT 0x00000020 |
ae990a1a AM |
744 | |
745 | /* Contains Delta C++ code. */ | |
252b5132 | 746 | #define RHF_DELTA_C_PLUS_PLUS 0x00000040 |
ae990a1a AM |
747 | |
748 | /* Guarantee that .init will start executing before any non-init | |
749 | code in DSO is called. */ | |
252b5132 | 750 | #define RHF_GUARANTEE_START_INIT 0x00000080 |
ae990a1a AM |
751 | |
752 | /* Generated by pixie. */ | |
252b5132 | 753 | #define RHF_PIXIE 0x00000100 |
ae990a1a AM |
754 | |
755 | /* Delay-load DSO by default. */ | |
252b5132 | 756 | #define RHF_DEFAULT_DELAY_LOAD 0x00000200 |
ae990a1a AM |
757 | |
758 | /* Object may be requickstarted */ | |
252b5132 | 759 | #define RHF_REQUICKSTART 0x00000400 |
ae990a1a AM |
760 | |
761 | /* Object has been requickstarted */ | |
252b5132 | 762 | #define RHF_REQUICKSTARTED 0x00000800 |
ae990a1a AM |
763 | |
764 | /* Generated by cord. */ | |
252b5132 | 765 | #define RHF_CORD 0x00001000 |
ae990a1a AM |
766 | |
767 | /* Object contains no unresolved undef symbols. */ | |
252b5132 | 768 | #define RHF_NO_UNRES_UNDEF 0x00002000 |
ae990a1a AM |
769 | |
770 | /* Symbol table is in a safe order. */ | |
252b5132 RH |
771 | #define RHF_RLD_ORDER_SAFE 0x00004000 |
772 | \f | |
773 | /* Special values for the st_other field in the symbol table. These | |
774 | are used in an Irix 5 dynamic symbol table. */ | |
775 | ||
4fbca453 NC |
776 | #define STO_DEFAULT STV_DEFAULT |
777 | #define STO_INTERNAL STV_INTERNAL | |
778 | #define STO_HIDDEN STV_HIDDEN | |
779 | #define STO_PROTECTED STV_PROTECTED | |
252b5132 | 780 | |
df58fc94 RS |
781 | /* Two topmost bits denote the MIPS ISA for .text symbols: |
782 | + 00 -- standard MIPS code, | |
783 | + 10 -- microMIPS code, | |
784 | + 11 -- MIPS16 code; requires the following two bits to be set too. | |
785 | Note that one of the MIPS16 bits overlaps with STO_MIPS_PIC. See below | |
786 | for details. */ | |
787 | #define STO_MIPS_ISA (3 << 6) | |
788 | ||
789 | /* The mask spanning the rest of MIPS psABI flags. At most one is expected | |
790 | to be set except for STO_MIPS16. */ | |
791 | #define STO_MIPS_FLAGS (~(STO_MIPS_ISA | ELF_ST_VISIBILITY (-1))) | |
792 | ||
861fb55a DJ |
793 | /* The MIPS psABI was updated in 2008 with support for PLTs and copy |
794 | relocs. There are therefore two types of nonzero SHN_UNDEF functions: | |
795 | PLT entries and traditional MIPS lazy binding stubs. We mark the former | |
796 | with STO_MIPS_PLT to distinguish them from the latter. */ | |
797 | #define STO_MIPS_PLT 0x8 | |
df58fc94 RS |
798 | #define ELF_ST_IS_MIPS_PLT(other) (((other) & STO_MIPS_FLAGS) == STO_MIPS_PLT) |
799 | #define ELF_ST_SET_MIPS_PLT(other) (((other) & ~STO_MIPS_FLAGS) | STO_MIPS_PLT) | |
861fb55a DJ |
800 | |
801 | /* This value is used to mark PIC functions in an object that mixes | |
df58fc94 RS |
802 | PIC and non-PIC. Note that this bit overlaps with STO_MIPS16, |
803 | although MIPS16 symbols are never considered to be MIPS_PIC. */ | |
861fb55a | 804 | #define STO_MIPS_PIC 0x20 |
df58fc94 RS |
805 | #define ELF_ST_IS_MIPS_PIC(other) (((other) & STO_MIPS_FLAGS) == STO_MIPS_PIC) |
806 | #define ELF_ST_SET_MIPS_PIC(other) (((other) & ~STO_MIPS_FLAGS) | STO_MIPS_PIC) | |
861fb55a | 807 | |
252b5132 RH |
808 | /* This value is used for a mips16 .text symbol. */ |
809 | #define STO_MIPS16 0xf0 | |
df58fc94 RS |
810 | #define ELF_ST_IS_MIPS16(other) (((other) & STO_MIPS16) == STO_MIPS16) |
811 | #define ELF_ST_SET_MIPS16(other) ((other) | STO_MIPS16) | |
812 | ||
813 | /* This value is used for a microMIPS .text symbol. To distinguish from | |
814 | STO_MIPS16, we set top two bits to be 10 to denote STO_MICROMIPS. The | |
815 | mask is STO_MIPS_ISA. */ | |
816 | #define STO_MICROMIPS (2 << 6) | |
817 | #define ELF_ST_IS_MICROMIPS(other) (((other) & STO_MIPS_ISA) == STO_MICROMIPS) | |
818 | #define ELF_ST_SET_MICROMIPS(other) (((other) & ~STO_MIPS_ISA) | STO_MICROMIPS) | |
819 | ||
820 | /* Whether code compression (either of the MIPS16 or the microMIPS ASEs) | |
821 | has been indicated for a .text symbol. */ | |
822 | #define ELF_ST_IS_COMPRESSED(other) \ | |
823 | (ELF_ST_IS_MIPS16 (other) || ELF_ST_IS_MICROMIPS (other)) | |
5e2b0d47 NC |
824 | |
825 | /* This bit is used on Irix to indicate a symbol whose definition | |
826 | is optional - if, at final link time, it cannot be found, no | |
827 | error message should be produced. */ | |
828 | #define STO_OPTIONAL (1 << 2) | |
829 | /* A macro to examine the STO_OPTIONAL bit. */ | |
830 | #define ELF_MIPS_IS_OPTIONAL(other) ((other) & STO_OPTIONAL) | |
252b5132 RH |
831 | \f |
832 | /* The 64-bit MIPS ELF ABI uses an unusual reloc format. Each | |
833 | relocation entry specifies up to three actual relocations, all at | |
834 | the same address. The first relocation which required a symbol | |
835 | uses the symbol in the r_sym field. The second relocation which | |
836 | requires a symbol uses the symbol in the r_ssym field. If all | |
837 | three relocations require a symbol, the third one uses a zero | |
838 | value. */ | |
839 | ||
840 | /* An entry in a 64 bit SHT_REL section. */ | |
841 | ||
842 | typedef struct | |
843 | { | |
844 | /* Address of relocation. */ | |
845 | unsigned char r_offset[8]; | |
846 | /* Symbol index. */ | |
847 | unsigned char r_sym[4]; | |
848 | /* Special symbol. */ | |
849 | unsigned char r_ssym[1]; | |
850 | /* Third relocation. */ | |
851 | unsigned char r_type3[1]; | |
852 | /* Second relocation. */ | |
853 | unsigned char r_type2[1]; | |
854 | /* First relocation. */ | |
855 | unsigned char r_type[1]; | |
856 | } Elf64_Mips_External_Rel; | |
857 | ||
858 | typedef struct | |
859 | { | |
860 | /* Address of relocation. */ | |
861 | bfd_vma r_offset; | |
862 | /* Symbol index. */ | |
863 | unsigned long r_sym; | |
864 | /* Special symbol. */ | |
865 | unsigned char r_ssym; | |
866 | /* Third relocation. */ | |
867 | unsigned char r_type3; | |
868 | /* Second relocation. */ | |
869 | unsigned char r_type2; | |
870 | /* First relocation. */ | |
871 | unsigned char r_type; | |
872 | } Elf64_Mips_Internal_Rel; | |
873 | ||
874 | /* An entry in a 64 bit SHT_RELA section. */ | |
875 | ||
876 | typedef struct | |
877 | { | |
878 | /* Address of relocation. */ | |
879 | unsigned char r_offset[8]; | |
880 | /* Symbol index. */ | |
881 | unsigned char r_sym[4]; | |
882 | /* Special symbol. */ | |
883 | unsigned char r_ssym[1]; | |
884 | /* Third relocation. */ | |
885 | unsigned char r_type3[1]; | |
886 | /* Second relocation. */ | |
887 | unsigned char r_type2[1]; | |
888 | /* First relocation. */ | |
889 | unsigned char r_type[1]; | |
890 | /* Addend. */ | |
891 | unsigned char r_addend[8]; | |
892 | } Elf64_Mips_External_Rela; | |
893 | ||
894 | typedef struct | |
895 | { | |
896 | /* Address of relocation. */ | |
897 | bfd_vma r_offset; | |
898 | /* Symbol index. */ | |
899 | unsigned long r_sym; | |
900 | /* Special symbol. */ | |
901 | unsigned char r_ssym; | |
902 | /* Third relocation. */ | |
903 | unsigned char r_type3; | |
904 | /* Second relocation. */ | |
905 | unsigned char r_type2; | |
906 | /* First relocation. */ | |
907 | unsigned char r_type; | |
908 | /* Addend. */ | |
909 | bfd_signed_vma r_addend; | |
910 | } Elf64_Mips_Internal_Rela; | |
911 | ||
ae990a1a AM |
912 | /* MIPS ELF 64 relocation info access macros. */ |
913 | #define ELF64_MIPS_R_SSYM(i) (((i) >> 24) & 0xff) | |
914 | #define ELF64_MIPS_R_TYPE3(i) (((i) >> 16) & 0xff) | |
915 | #define ELF64_MIPS_R_TYPE2(i) (((i) >> 8) & 0xff) | |
916 | #define ELF64_MIPS_R_TYPE(i) ((i) & 0xff) | |
917 | ||
252b5132 RH |
918 | /* Values found in the r_ssym field of a relocation entry. */ |
919 | ||
920 | /* No relocation. */ | |
921 | #define RSS_UNDEF 0 | |
922 | ||
923 | /* Value of GP. */ | |
924 | #define RSS_GP 1 | |
925 | ||
926 | /* Value of GP in object being relocated. */ | |
927 | #define RSS_GP0 2 | |
928 | ||
929 | /* Address of location being relocated. */ | |
930 | #define RSS_LOC 3 | |
931 | \f | |
932 | /* A SHT_MIPS_OPTIONS section contains a series of options, each of | |
933 | which starts with this header. */ | |
934 | ||
935 | typedef struct | |
936 | { | |
937 | /* Type of option. */ | |
938 | unsigned char kind[1]; | |
939 | /* Size of option descriptor, including header. */ | |
940 | unsigned char size[1]; | |
941 | /* Section index of affected section, or 0 for global option. */ | |
942 | unsigned char section[2]; | |
943 | /* Information specific to this kind of option. */ | |
944 | unsigned char info[4]; | |
945 | } Elf_External_Options; | |
946 | ||
947 | typedef struct | |
948 | { | |
949 | /* Type of option. */ | |
950 | unsigned char kind; | |
951 | /* Size of option descriptor, including header. */ | |
952 | unsigned char size; | |
953 | /* Section index of affected section, or 0 for global option. */ | |
954 | unsigned short section; | |
955 | /* Information specific to this kind of option. */ | |
956 | unsigned long info; | |
957 | } Elf_Internal_Options; | |
958 | ||
959 | /* MIPS ELF option header swapping routines. */ | |
960 | extern void bfd_mips_elf_swap_options_in | |
fd6ba1fc | 961 | (bfd *, const Elf_External_Options *, Elf_Internal_Options *); |
252b5132 | 962 | extern void bfd_mips_elf_swap_options_out |
fd6ba1fc | 963 | (bfd *, const Elf_Internal_Options *, Elf_External_Options *); |
252b5132 RH |
964 | |
965 | /* Values which may appear in the kind field of an Elf_Options | |
966 | structure. */ | |
967 | ||
968 | /* Undefined. */ | |
969 | #define ODK_NULL 0 | |
970 | ||
971 | /* Register usage and GP value. */ | |
972 | #define ODK_REGINFO 1 | |
973 | ||
974 | /* Exception processing information. */ | |
975 | #define ODK_EXCEPTIONS 2 | |
976 | ||
977 | /* Section padding information. */ | |
978 | #define ODK_PAD 3 | |
979 | ||
980 | /* Hardware workarounds performed. */ | |
981 | #define ODK_HWPATCH 4 | |
982 | ||
983 | /* Fill value used by the linker. */ | |
984 | #define ODK_FILL 5 | |
985 | ||
986 | /* Reserved space for desktop tools. */ | |
987 | #define ODK_TAGS 6 | |
988 | ||
989 | /* Hardware workarounds, AND bits when merging. */ | |
990 | #define ODK_HWAND 7 | |
991 | ||
992 | /* Hardware workarounds, OR bits when merging. */ | |
993 | #define ODK_HWOR 8 | |
994 | ||
995 | /* GP group to use for text/data sections. */ | |
996 | #define ODK_GP_GROUP 9 | |
997 | ||
998 | /* ID information. */ | |
999 | #define ODK_IDENT 10 | |
1000 | ||
1001 | /* In the 32 bit ABI, an ODK_REGINFO option is just a Elf32_RegInfo | |
1002 | structure. In the 64 bit ABI, it is the following structure. The | |
1003 | info field of the options header is not used. */ | |
1004 | ||
1005 | typedef struct | |
1006 | { | |
1007 | /* Mask of general purpose registers used. */ | |
1008 | unsigned char ri_gprmask[4]; | |
1009 | /* Padding. */ | |
1010 | unsigned char ri_pad[4]; | |
1011 | /* Mask of co-processor registers used. */ | |
1012 | unsigned char ri_cprmask[4][4]; | |
1013 | /* GP register value for this object file. */ | |
1014 | unsigned char ri_gp_value[8]; | |
1015 | } Elf64_External_RegInfo; | |
1016 | ||
1017 | typedef struct | |
1018 | { | |
1019 | /* Mask of general purpose registers used. */ | |
1020 | unsigned long ri_gprmask; | |
1021 | /* Padding. */ | |
1022 | unsigned long ri_pad; | |
1023 | /* Mask of co-processor registers used. */ | |
1024 | unsigned long ri_cprmask[4]; | |
1025 | /* GP register value for this object file. */ | |
1026 | bfd_vma ri_gp_value; | |
1027 | } Elf64_Internal_RegInfo; | |
1028 | ||
030d863d MM |
1029 | typedef struct |
1030 | { | |
1031 | /* The hash value computed from the name of the corresponding | |
1032 | dynamic symbol. */ | |
1033 | unsigned char ms_hash_value[4]; | |
1034 | /* Contains both the dynamic relocation index and the symbol flags | |
1035 | field. The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used | |
1036 | to access the individual values. The dynamic relocation index | |
1037 | identifies the first entry in the .rel.dyn section that | |
1038 | references the dynamic symbol corresponding to this msym entry. | |
1039 | If the index is 0, no dynamic relocations are associated with the | |
1040 | symbol. The symbol flags field is reserved for future use. */ | |
1041 | unsigned char ms_info[4]; | |
1042 | } Elf32_External_Msym; | |
1043 | ||
1044 | typedef struct | |
1045 | { | |
1046 | /* The hash value computed from the name of the corresponding | |
1047 | dynamic symbol. */ | |
1048 | unsigned long ms_hash_value; | |
1049 | /* Contains both the dynamic relocation index and the symbol flags | |
1050 | field. The macros ELF32_MS_REL_INDEX and ELF32_MS_FLAGS are used | |
1051 | to access the individual values. The dynamic relocation index | |
1052 | identifies the first entry in the .rel.dyn section that | |
1053 | references the dynamic symbol corresponding to this msym entry. | |
1054 | If the index is 0, no dynamic relocations are associated with the | |
1055 | symbol. The symbol flags field is reserved for future use. */ | |
1056 | unsigned long ms_info; | |
1057 | } Elf32_Internal_Msym; | |
1058 | ||
1059 | #define ELF32_MS_REL_INDEX(i) ((i) >> 8) | |
1060 | #define ELF32_MS_FLAGS(i) (i) & 0xff) | |
1061 | #define ELF32_MS_INFO(r, f) (((r) << 8) + ((f) & 0xff)) | |
1062 | ||
252b5132 RH |
1063 | /* MIPS ELF reginfo swapping routines. */ |
1064 | extern void bfd_mips_elf64_swap_reginfo_in | |
fd6ba1fc | 1065 | (bfd *, const Elf64_External_RegInfo *, Elf64_Internal_RegInfo *); |
252b5132 | 1066 | extern void bfd_mips_elf64_swap_reginfo_out |
fd6ba1fc | 1067 | (bfd *, const Elf64_Internal_RegInfo *, Elf64_External_RegInfo *); |
252b5132 RH |
1068 | |
1069 | /* Masks for the info work of an ODK_EXCEPTIONS descriptor. */ | |
1070 | #define OEX_FPU_MIN 0x1f /* FPEs which must be enabled. */ | |
1071 | #define OEX_FPU_MAX 0x1f00 /* FPEs which may be enabled. */ | |
1072 | #define OEX_PAGE0 0x10000 /* Page zero must be mapped. */ | |
1073 | #define OEX_SMM 0x20000 /* Force sequential memory mode. */ | |
ae990a1a AM |
1074 | #define OEX_FPDBUG 0x40000 /* Force precise floating-point |
1075 | exceptions (debug mode). */ | |
252b5132 RH |
1076 | #define OEX_DISMISS 0x80000 /* Dismiss invalid address faults. */ |
1077 | ||
1078 | /* Masks of the FP exceptions for OEX_FPU_MIN and OEX_FPU_MAX. */ | |
1079 | #define OEX_FPU_INVAL 0x10 /* Invalid operation exception. */ | |
1080 | #define OEX_FPU_DIV0 0x08 /* Division by zero exception. */ | |
1081 | #define OEX_FPU_OFLO 0x04 /* Overflow exception. */ | |
1082 | #define OEX_FPU_UFLO 0x02 /* Underflow exception. */ | |
1083 | #define OEX_FPU_INEX 0x01 /* Inexact exception. */ | |
1084 | ||
1085 | /* Masks for the info word of an ODK_PAD descriptor. */ | |
1086 | #define OPAD_PREFIX 0x01 | |
1087 | #define OPAD_POSTFIX 0x02 | |
1088 | #define OPAD_SYMBOL 0x04 | |
1089 | ||
1090 | /* Masks for the info word of an ODK_HWPATCH descriptor. */ | |
ae990a1a AM |
1091 | #define OHW_R4KEOP 0x00000001 /* R4000 end-of-page patch. */ |
1092 | #define OHW_R8KPFETCH 0x00000002 /* May need R8000 prefetch patch. */ | |
1093 | #define OHW_R5KEOP 0x00000004 /* R5000 end-of-page patch. */ | |
1094 | #define OHW_R5KCVTL 0x00000008 /* R5000 cvt.[ds].l bug | |
1095 | (clean == 1). */ | |
1096 | #define OHW_R10KLDL 0x00000010 /* Needs R10K misaligned | |
1097 | load patch. */ | |
252b5132 RH |
1098 | |
1099 | /* Masks for the info word of an ODK_IDENT/ODK_GP_GROUP descriptor. */ | |
1100 | #define OGP_GROUP 0x0000ffff /* GP group number. */ | |
1101 | #define OGP_SELF 0xffff0000 /* Self-contained GP groups. */ | |
1102 | ||
1103 | /* Masks for the info word of an ODK_HWAND/ODK_HWOR descriptor. */ | |
1104 | #define OHWA0_R4KEOP_CHECKED 0x00000001 | |
1105 | #define OHWA0_R4KEOP_CLEAN 0x00000002 | |
1106 | \f | |
1107 | ||
2cf19d5c JM |
1108 | /* Object attribute tags. */ |
1109 | enum | |
1110 | { | |
1111 | /* 0-3 are generic. */ | |
1112 | Tag_GNU_MIPS_ABI_FP = 4, /* Value 1 for hard-float -mdouble-float, 2 | |
1113 | for hard-float -msingle-float, 3 for | |
42554f6a TS |
1114 | soft-float, 4 for -mips32r2 -mfp64; 0 for |
1115 | not tagged or not using any ABIs affected | |
1116 | by the differences. */ | |
2cf19d5c JM |
1117 | }; |
1118 | ||
252b5132 | 1119 | #endif /* _ELF_MIPS_H */ |