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55d5703f | 1 | /* MIPS ELF support for BFD. |
55412e05 | 2 | Copyright (C) 1993, 1994, 1995, 1996, 1998 Free Software Foundation, Inc. |
55d5703f ILT |
3 | |
4 | By Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>, from | |
5 | information in the System V Application Binary Interface, MIPS | |
6 | Processor Supplement. | |
7 | ||
8 | This file is part of BFD, the Binary File Descriptor library. | |
9 | ||
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 2 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
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. | |
19 | ||
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 | |
80483b24 | 22 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
55d5703f ILT |
23 | |
24 | /* This file holds definitions specific to the MIPS ELF ABI. Note | |
25 | that most of this is not actually implemented by BFD. */ | |
26 | ||
80483b24 ILT |
27 | #ifndef _ELF_MIPS_H |
28 | #define _ELF_MIPS_H | |
29 | ||
36dd637f | 30 | #include "elf/reloc-macros.h" |
86b9b00b | 31 | |
c27d2e18 | 32 | /* Relocation types. */ |
0d930c6c UD |
33 | START_RELOC_NUMBERS (elf_mips_reloc_type) |
34 | RELOC_NUMBER (R_MIPS_NONE, 0) | |
35 | RELOC_NUMBER (R_MIPS_16, 1) | |
36 | RELOC_NUMBER (R_MIPS_32, 2) | |
37 | RELOC_NUMBER (R_MIPS_REL32, 3) | |
38 | RELOC_NUMBER (R_MIPS_26, 4) | |
39 | RELOC_NUMBER (R_MIPS_HI16, 5) | |
40 | RELOC_NUMBER (R_MIPS_LO16, 6) | |
41 | RELOC_NUMBER (R_MIPS_GPREL16, 7) | |
42 | RELOC_NUMBER (R_MIPS_LITERAL, 8) | |
43 | RELOC_NUMBER (R_MIPS_GOT16, 9) | |
44 | RELOC_NUMBER (R_MIPS_PC16, 10) | |
45 | RELOC_NUMBER (R_MIPS_CALL16, 11) | |
fea6fcb9 | 46 | RELOC_NUMBER (R_MIPS_GPREL32, 12) |
0d930c6c UD |
47 | /* The remaining relocs are defined on Irix, although they are not |
48 | in the MIPS ELF ABI. */ | |
49 | RELOC_NUMBER (R_MIPS_UNUSED1, 13) | |
50 | RELOC_NUMBER (R_MIPS_UNUSED2, 14) | |
51 | RELOC_NUMBER (R_MIPS_UNUSED3, 15) | |
52 | RELOC_NUMBER (R_MIPS_SHIFT5, 16) | |
53 | RELOC_NUMBER (R_MIPS_SHIFT6, 17) | |
54 | RELOC_NUMBER (R_MIPS_64, 18) | |
55 | RELOC_NUMBER (R_MIPS_GOT_DISP, 19) | |
56 | RELOC_NUMBER (R_MIPS_GOT_PAGE, 20) | |
57 | RELOC_NUMBER (R_MIPS_GOT_OFST, 21) | |
58 | RELOC_NUMBER (R_MIPS_GOT_HI16, 22) | |
59 | RELOC_NUMBER (R_MIPS_GOT_LO16, 23) | |
60 | RELOC_NUMBER (R_MIPS_SUB, 24) | |
61 | RELOC_NUMBER (R_MIPS_INSERT_A, 25) | |
62 | RELOC_NUMBER (R_MIPS_INSERT_B, 26) | |
63 | RELOC_NUMBER (R_MIPS_DELETE, 27) | |
64 | RELOC_NUMBER (R_MIPS_HIGHER, 28) | |
65 | RELOC_NUMBER (R_MIPS_HIGHEST, 29) | |
66 | RELOC_NUMBER (R_MIPS_CALL_HI16, 30) | |
67 | RELOC_NUMBER (R_MIPS_CALL_LO16, 31) | |
47a5b9f3 UD |
68 | RELOC_NUMBER (R_MIPS_SCN_DISP, 32) |
69 | RELOC_NUMBER (R_MIPS_REL16, 33) | |
70 | RELOC_NUMBER (R_MIPS_ADD_IMMEDIATE, 34) | |
71 | RELOC_NUMBER (R_MIPS_PJUMP, 35) | |
72 | RELOC_NUMBER (R_MIPS_RELGOT, 36) | |
73 | RELOC_NUMBER (R_MIPS_JALR, 37) | |
74 | RELOC_NUMBER (R_MIPS_max, 38) | |
0d930c6c UD |
75 | /* These relocs are used for the mips16. */ |
76 | RELOC_NUMBER (R_MIPS16_26, 100) | |
77 | RELOC_NUMBER (R_MIPS16_GPREL, 101) | |
ddbe80f7 JL |
78 | /* start-sanitize-r5900 */ |
79 | /* This is used by a mips co-processor instruction. */ | |
80 | RELOC_NUMBER (R_MIPS15_S3, 119) | |
81 | /* end-sanitize-r5900 */ | |
0d930c6c UD |
82 | /* start-sanitize-sky */ |
83 | /* These relocs are for the dvp. */ | |
84 | RELOC_NUMBER (R_MIPS_DVP_11_PCREL, 120) | |
85 | RELOC_NUMBER (R_MIPS_DVP_27_S4, 121) | |
86 | RELOC_NUMBER (R_MIPS_DVP_11_S4, 122) | |
87 | RELOC_NUMBER (R_MIPS_DVP_U15_S3, 123) | |
88 | /* end-sanitize-sky */ | |
89 | /* These are GNU extensions to enable C++ vtable garbage collection. */ | |
90 | RELOC_NUMBER (R_MIPS_GNU_VTINHERIT, 253) | |
91 | RELOC_NUMBER (R_MIPS_GNU_VTENTRY, 254) | |
92 | END_RELOC_NUMBERS | |
c27d2e18 | 93 | |
55d5703f ILT |
94 | /* Processor specific flags for the ELF header e_flags field. */ |
95 | ||
96 | /* At least one .noreorder directive appears in the source. */ | |
97 | #define EF_MIPS_NOREORDER 0x00000001 | |
98 | ||
99 | /* File contains position independent code. */ | |
100 | #define EF_MIPS_PIC 0x00000002 | |
101 | ||
102 | /* Code in file uses the standard calling sequence for calling | |
103 | position independent code. */ | |
104 | #define EF_MIPS_CPIC 0x00000004 | |
105 | ||
4086bde1 DE |
106 | /* Code in file uses new ABI (-n32 on Irix 6). */ |
107 | #define EF_MIPS_ABI2 0x00000020 | |
108 | ||
55d5703f ILT |
109 | /* Four bit MIPS architecture field. */ |
110 | #define EF_MIPS_ARCH 0xf0000000 | |
4c040a64 PS |
111 | |
112 | /* -mips1 code. */ | |
113 | #define E_MIPS_ARCH_1 0x00000000 | |
114 | ||
115 | /* -mips2 code. */ | |
116 | #define E_MIPS_ARCH_2 0x10000000 | |
117 | ||
118 | /* -mips3 code. */ | |
119 | #define E_MIPS_ARCH_3 0x20000000 | |
68745520 ILT |
120 | |
121 | /* -mips4 code. */ | |
122 | #define E_MIPS_ARCH_4 0x30000000 | |
d15f4fd0 | 123 | |
02650bd0 GRK |
124 | /* The ABI of the file. Also see EF_MIPS_ABI2 above. */ |
125 | #define EF_MIPS_ABI 0x0000F000 | |
126 | ||
127 | /* The original o32 abi. */ | |
128 | #define E_MIPS_ABI_O32 0x00001000 | |
129 | ||
130 | /* O32 extended to work on 64 bit architectures */ | |
131 | #define E_MIPS_ABI_O64 0x00002000 | |
132 | ||
133 | /* EABI in 32 bit mode */ | |
134 | #define E_MIPS_ABI_EABI32 0x00003000 | |
135 | ||
136 | /* EABI in 64 bit mode */ | |
137 | #define E_MIPS_ABI_EABI64 0x00004000 | |
138 | ||
139 | ||
d15f4fd0 DE |
140 | /* Machine variant if we know it. This field was invented at Cygnus, |
141 | but it is hoped that other vendors will adopt it. If some standard | |
142 | is developed, this code should be changed to follow it. */ | |
143 | ||
144 | #define EF_MIPS_MACH 0x00FF0000 | |
145 | ||
146 | /* Cygnus is choosing values between 80 and 9F; | |
147 | 00 - 7F should be left for a future standard; | |
148 | the rest are open. */ | |
149 | ||
150 | #define E_MIPS_MACH_3900 0x00810000 | |
151 | ||
152 | #define E_MIPS_MACH_4010 0x00820000 | |
153 | #define E_MIPS_MACH_4100 0x00830000 | |
154 | /* start-sanitize-vr4320 */ | |
155 | #define E_MIPS_MACH_4320 0x00840000 | |
156 | /* end-sanitize-vr4320 */ | |
157 | #define E_MIPS_MACH_4650 0x00850000 | |
158 | /* start-sanitize-tx49 */ | |
159 | #define E_MIPS_MACH_4900 0x00860000 | |
160 | /* end-sanitize-tx49 */ | |
f14397f0 GRK |
161 | /* start-sanitize-vr4xxx */ |
162 | #define E_MIPS_MACH_4121 0x00870000 | |
163 | /* end-sanitize-vr4xxx */ | |
d15f4fd0 | 164 | |
47a5b9f3 | 165 | /* start-sanitize-cygnus */ |
d15f4fd0 | 166 | #define E_MIPS_MACH_5400 0x00910000 |
47a5b9f3 | 167 | /* end-sanitize-cygnus */ |
d15f4fd0 DE |
168 | /* start-sanitize-r5900 */ |
169 | #define E_MIPS_MACH_5900 0x00920000 | |
170 | /* end-sanitize-r5900 */ | |
55d5703f ILT |
171 | \f |
172 | /* Processor specific section indices. These sections do not actually | |
173 | exist. Symbols with a st_shndx field corresponding to one of these | |
174 | values have a special meaning. */ | |
175 | ||
176 | /* Defined and allocated common symbol. Value is virtual address. If | |
177 | relocated, alignment must be preserved. */ | |
178 | #define SHN_MIPS_ACOMMON 0xff00 | |
179 | ||
80483b24 ILT |
180 | /* Defined and allocated text symbol. Value is virtual address. |
181 | Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables. */ | |
182 | #define SHN_MIPS_TEXT 0xff01 | |
183 | ||
184 | /* Defined and allocated data symbol. Value is virtual address. | |
185 | Occur in the dynamic symbol table of Alpha OSF/1 and Irix 5 executables. */ | |
186 | #define SHN_MIPS_DATA 0xff02 | |
187 | ||
55d5703f ILT |
188 | /* Small common symbol. */ |
189 | #define SHN_MIPS_SCOMMON 0xff03 | |
190 | ||
191 | /* Small undefined symbol. */ | |
192 | #define SHN_MIPS_SUNDEFINED 0xff04 | |
193 | \f | |
194 | /* Processor specific section types. */ | |
195 | ||
196 | /* Section contains the set of dynamic shared objects used when | |
197 | statically linking. */ | |
198 | #define SHT_MIPS_LIBLIST 0x70000000 | |
199 | ||
80483b24 ILT |
200 | /* I'm not sure what this is, but it's used on Irix 5. */ |
201 | #define SHT_MIPS_MSYM 0x70000001 | |
202 | ||
55d5703f ILT |
203 | /* Section contains list of symbols whose definitions conflict with |
204 | symbols defined in shared objects. */ | |
205 | #define SHT_MIPS_CONFLICT 0x70000002 | |
206 | ||
207 | /* Section contains the global pointer table. */ | |
208 | #define SHT_MIPS_GPTAB 0x70000003 | |
209 | ||
210 | /* Section contains microcode information. The exact format is | |
211 | unspecified. */ | |
212 | #define SHT_MIPS_UCODE 0x70000004 | |
213 | ||
214 | /* Section contains some sort of debugging information. The exact | |
215 | format is unspecified. It's probably ECOFF symbols. */ | |
216 | #define SHT_MIPS_DEBUG 0x70000005 | |
217 | ||
218 | /* Section contains register usage information. */ | |
219 | #define SHT_MIPS_REGINFO 0x70000006 | |
220 | ||
c27d2e18 UD |
221 | /* ??? */ |
222 | #define SHT_MIPS_PACKAGE 0x70000007 | |
223 | ||
224 | /* ??? */ | |
225 | #define SHT_MIPS_PACKSYM 0x70000008 | |
226 | ||
227 | /* ??? */ | |
228 | #define SHT_MIPS_RELD 0x70000009 | |
229 | ||
4086bde1 DE |
230 | /* Section contains interface information. */ |
231 | #define SHT_MIPS_IFACE 0x7000000b | |
232 | ||
233 | /* Section contains description of contents of another section. */ | |
234 | #define SHT_MIPS_CONTENT 0x7000000c | |
235 | ||
236 | /* Section contains miscellaneous options. */ | |
4c040a64 PS |
237 | #define SHT_MIPS_OPTIONS 0x7000000d |
238 | ||
c27d2e18 UD |
239 | /* ??? */ |
240 | #define SHT_MIPS_SHDR 0x70000010 | |
241 | ||
242 | /* ??? */ | |
243 | #define SHT_MIPS_FDESC 0x70000011 | |
244 | ||
245 | /* ??? */ | |
246 | #define SHT_MIPS_EXTSYM 0x70000012 | |
247 | ||
248 | /* ??? */ | |
249 | #define SHT_MIPS_DENSE 0x70000013 | |
250 | ||
251 | /* ??? */ | |
252 | #define SHT_MIPS_PDESC 0x70000014 | |
253 | ||
254 | /* ??? */ | |
255 | #define SHT_MIPS_LOCSYM 0x70000015 | |
256 | ||
257 | /* ??? */ | |
258 | #define SHT_MIPS_AUXSYM 0x70000016 | |
259 | ||
260 | /* ??? */ | |
261 | #define SHT_MIPS_OPTSYM 0x70000017 | |
262 | ||
263 | /* ??? */ | |
264 | #define SHT_MIPS_LOCSTR 0x70000018 | |
265 | ||
266 | /* ??? */ | |
267 | #define SHT_MIPS_LINE 0x70000019 | |
268 | ||
269 | /* ??? */ | |
270 | #define SHT_MIPS_RFDESC 0x7000001a | |
271 | ||
272 | /* ??? */ | |
273 | #define SHT_MIPS_DELTASYM 0x7000001b | |
274 | ||
275 | /* ??? */ | |
276 | #define SHT_MIPS_DELTAINST 0x7000001c | |
277 | ||
278 | /* ??? */ | |
279 | #define SHT_MIPS_DELTACLASS 0x7000001d | |
280 | ||
4086bde1 | 281 | /* DWARF debugging section. */ |
80483b24 ILT |
282 | #define SHT_MIPS_DWARF 0x7000001e |
283 | ||
c27d2e18 UD |
284 | /* ??? */ |
285 | #define SHT_MIPS_DELTADECL 0x7000001f | |
286 | ||
287 | /* List of libraries the binary depends on. Includes a time stamp, version | |
288 | number. */ | |
4086bde1 DE |
289 | #define SHT_MIPS_SYMBOL_LIB 0x70000020 |
290 | ||
291 | /* Events section. */ | |
80483b24 ILT |
292 | #define SHT_MIPS_EVENTS 0x70000021 |
293 | ||
c27d2e18 UD |
294 | /* ??? */ |
295 | #define SHT_MIPS_TRANSLATE 0x70000022 | |
296 | ||
297 | /* ??? */ | |
298 | #define SHT_MIPS_PIXIE 0x70000023 | |
299 | ||
300 | /* ??? */ | |
301 | #define SHT_MIPS_XLATE 0x70000024 | |
302 | ||
303 | /* ??? */ | |
304 | #define SHT_MIPS_XLATE_DEBUG 0x70000025 | |
305 | ||
306 | /* ??? */ | |
307 | #define SHT_MIPS_WHIRL 0x70000026 | |
308 | ||
309 | /* ??? */ | |
310 | #define SHT_MIPS_EH_REGION 0x70000027 | |
311 | ||
312 | /* ??? */ | |
313 | #define SHT_MIPS_XLATE_OLD 0x70000028 | |
314 | ||
315 | /* ??? */ | |
316 | #define SHT_MIPS_PDR_EXCEPTION 0x70000029 | |
317 | ||
d15f4fd0 DE |
318 | /* start-sanitize-sky */ |
319 | /* The VU overlay table. */ | |
320 | #define SHT_DVP_OVERLAY_TABLE 0x7ffff420 | |
321 | #define SHNAME_DVP_OVERLAY_TABLE ".DVP.ovlytab" | |
322 | #define SHNAME_DVP_OVERLAY_STRTAB ".DVP.ovlystrtab" | |
323 | /* A VU overlay. */ | |
324 | #define SHT_DVP_OVERLAY 0x7ffff421 | |
325 | /* Prefix of VU overlay sections. */ | |
326 | #define SHNAME_DVP_OVERLAY_PREFIX ".DVP.overlay." | |
327 | /* end-sanitize-sky */ | |
328 | ||
55d5703f ILT |
329 | /* A section of type SHT_MIPS_LIBLIST contains an array of the |
330 | following structure. The sh_link field is the section index of the | |
331 | string table. The sh_info field is the number of entries in the | |
332 | section. */ | |
333 | typedef struct | |
334 | { | |
335 | /* String table index for name of shared object. */ | |
4c040a64 | 336 | unsigned long l_name; |
55d5703f | 337 | /* Time stamp. */ |
4c040a64 | 338 | unsigned long l_time_stamp; |
55d5703f | 339 | /* Checksum of symbol names and common sizes. */ |
4c040a64 | 340 | unsigned long l_checksum; |
55d5703f | 341 | /* String table index for version. */ |
4c040a64 | 342 | unsigned long l_version; |
55d5703f | 343 | /* Flags. */ |
4c040a64 | 344 | unsigned long l_flags; |
55d5703f ILT |
345 | } Elf32_Lib; |
346 | ||
c27d2e18 UD |
347 | /* The external version of Elf32_Lib. */ |
348 | typedef struct | |
349 | { | |
350 | unsigned char l_name[4]; | |
351 | unsigned char l_time_stamp[4]; | |
352 | unsigned char l_checksum[4]; | |
353 | unsigned char l_version[4]; | |
354 | unsigned char l_flags[4]; | |
355 | } Elf32_External_Lib; | |
356 | ||
55d5703f ILT |
357 | /* The l_flags field of an Elf32_Lib structure may contain the |
358 | following flags. */ | |
359 | ||
360 | /* Require an exact match at runtime. */ | |
361 | #define LL_EXACT_MATCH 0x00000001 | |
362 | ||
363 | /* Ignore version incompatibilities at runtime. */ | |
364 | #define LL_IGNORE_INT_VER 0x00000002 | |
365 | ||
46ab34a1 UD |
366 | /* Require matching minor version number. */ |
367 | #define LL_REQUIRE_MINOR 0x00000004 | |
368 | ||
369 | /* ??? */ | |
370 | #define LL_EXPORTS 0x00000008 | |
371 | ||
372 | /* Delay loading of this library until really needed. */ | |
373 | #define LL_DELAY_LOAD 0x00000010 | |
374 | ||
375 | /* ??? Delta C++ stuff ??? */ | |
376 | #define LL_DELTA 0x00000020 | |
377 | ||
378 | ||
55d5703f ILT |
379 | /* A section of type SHT_MIPS_CONFLICT is an array of indices into the |
380 | .dynsym section. Each element has the following type. */ | |
4c040a64 | 381 | typedef unsigned long Elf32_Conflict; |
f14397f0 GRK |
382 | typedef unsigned char Elf32_External_Conflict[4]; |
383 | ||
384 | typedef unsigned long Elf64_Conflict; | |
385 | typedef unsigned char Elf64_External_Conflict[8]; | |
55d5703f ILT |
386 | |
387 | /* A section of type SHT_MIPS_GPTAB contains information about how | |
388 | much GP space would be required for different -G arguments. This | |
389 | information is only used so that the linker can provide informative | |
390 | suggestions as to the best -G value to use. The sh_info field is | |
391 | the index of the section for which this information applies. The | |
392 | contents of the section are an array of the following union. The | |
393 | first element uses the gt_header field. The remaining elements use | |
394 | the gt_entry field. */ | |
395 | typedef union | |
396 | { | |
397 | struct | |
398 | { | |
399 | /* -G value actually used for this object file. */ | |
4c040a64 | 400 | unsigned long gt_current_g_value; |
55d5703f | 401 | /* Unused. */ |
4c040a64 | 402 | unsigned long gt_unused; |
55d5703f ILT |
403 | } gt_header; |
404 | struct | |
405 | { | |
406 | /* If this -G argument has been used... */ | |
4c040a64 | 407 | unsigned long gt_g_value; |
55d5703f | 408 | /* ...this many GP section bytes would be required. */ |
4c040a64 | 409 | unsigned long gt_bytes; |
55d5703f ILT |
410 | } gt_entry; |
411 | } Elf32_gptab; | |
412 | ||
80483b24 ILT |
413 | /* The external version of Elf32_gptab. */ |
414 | ||
415 | typedef union | |
416 | { | |
417 | struct | |
418 | { | |
419 | unsigned char gt_current_g_value[4]; | |
420 | unsigned char gt_unused[4]; | |
421 | } gt_header; | |
422 | struct | |
423 | { | |
424 | unsigned char gt_g_value[4]; | |
425 | unsigned char gt_bytes[4]; | |
426 | } gt_entry; | |
427 | } Elf32_External_gptab; | |
428 | ||
55d5703f ILT |
429 | /* A section of type SHT_MIPS_REGINFO contains the following |
430 | structure. */ | |
431 | typedef struct | |
432 | { | |
433 | /* Mask of general purpose registers used. */ | |
4c040a64 | 434 | unsigned long ri_gprmask; |
55d5703f | 435 | /* Mask of co-processor registers used. */ |
4c040a64 | 436 | unsigned long ri_cprmask[4]; |
55d5703f | 437 | /* GP register value for this object file. */ |
4c040a64 PS |
438 | long ri_gp_value; |
439 | } Elf32_RegInfo; | |
440 | ||
441 | /* The external version of the Elf_RegInfo structure. */ | |
442 | typedef struct | |
443 | { | |
444 | unsigned char ri_gprmask[4]; | |
445 | unsigned char ri_cprmask[4][4]; | |
446 | unsigned char ri_gp_value[4]; | |
447 | } Elf32_External_RegInfo; | |
448 | ||
449 | /* MIPS ELF .reginfo swapping routines. */ | |
450 | extern void bfd_mips_elf32_swap_reginfo_in | |
451 | PARAMS ((bfd *, const Elf32_External_RegInfo *, Elf32_RegInfo *)); | |
452 | extern void bfd_mips_elf32_swap_reginfo_out | |
453 | PARAMS ((bfd *, const Elf32_RegInfo *, Elf32_External_RegInfo *)); | |
55d5703f ILT |
454 | \f |
455 | /* Processor specific section flags. */ | |
456 | ||
457 | /* This section must be in the global data area. */ | |
4c040a64 | 458 | #define SHF_MIPS_GPREL 0x10000000 |
4086bde1 DE |
459 | |
460 | /* This section should be merged. */ | |
461 | #define SHF_MIPS_MERGE 0x20000000 | |
462 | ||
463 | /* This section contains 32 bit addresses. */ | |
464 | #define SHF_MIPS_ADDR32 0x40000000 | |
465 | ||
466 | /* This section contains 64 bit addresses. */ | |
467 | #define SHF_MIPS_ADDR64 0x80000000 | |
468 | ||
469 | /* This section may not be stripped. */ | |
470 | #define SHF_MIPS_NOSTRIP 0x08000000 | |
471 | ||
472 | /* This section is local to threads. */ | |
473 | #define SHF_MIPS_LOCAL 0x04000000 | |
474 | ||
475 | /* Linker should generate implicit weak names for this section. */ | |
476 | #define SHF_MIPS_NAMES 0x02000000 | |
4c040a64 PS |
477 | \f |
478 | /* Processor specific program header types. */ | |
479 | ||
480 | /* Register usage information. Identifies one .reginfo section. */ | |
481 | #define PT_MIPS_REGINFO 0x70000000 | |
80483b24 ILT |
482 | |
483 | /* Runtime procedure table. */ | |
484 | #define PT_MIPS_RTPROC 0x70000001 | |
55412e05 UD |
485 | |
486 | /* Options (for what ???). */ | |
487 | #define PT_MIPS_OPTIONS 0x70000002 | |
4c040a64 PS |
488 | \f |
489 | /* Processor specific dynamic array tags. */ | |
490 | ||
491 | /* 32 bit version number for runtime linker interface. */ | |
492 | #define DT_MIPS_RLD_VERSION 0x70000001 | |
493 | ||
494 | /* Time stamp. */ | |
495 | #define DT_MIPS_TIME_STAMP 0x70000002 | |
496 | ||
497 | /* Checksum of external strings and common sizes. */ | |
498 | #define DT_MIPS_ICHECKSUM 0x70000003 | |
499 | ||
500 | /* Index of version string in string table. */ | |
501 | #define DT_MIPS_IVERSION 0x70000004 | |
502 | ||
503 | /* 32 bits of flags. */ | |
504 | #define DT_MIPS_FLAGS 0x70000005 | |
505 | ||
506 | /* Base address of the segment. */ | |
507 | #define DT_MIPS_BASE_ADDRESS 0x70000006 | |
508 | ||
1b734be6 UD |
509 | /* ??? */ |
510 | #define DT_MIPS_MSYM 0x70000007 | |
511 | ||
4c040a64 PS |
512 | /* Address of .conflict section. */ |
513 | #define DT_MIPS_CONFLICT 0x70000008 | |
514 | ||
515 | /* Address of .liblist section. */ | |
516 | #define DT_MIPS_LIBLIST 0x70000009 | |
517 | ||
518 | /* Number of local global offset table entries. */ | |
519 | #define DT_MIPS_LOCAL_GOTNO 0x7000000a | |
520 | ||
521 | /* Number of entries in the .conflict section. */ | |
522 | #define DT_MIPS_CONFLICTNO 0x7000000b | |
523 | ||
524 | /* Number of entries in the .liblist section. */ | |
525 | #define DT_MIPS_LIBLISTNO 0x70000010 | |
526 | ||
527 | /* Number of entries in the .dynsym section. */ | |
528 | #define DT_MIPS_SYMTABNO 0x70000011 | |
529 | ||
530 | /* Index of first external dynamic symbol not referenced locally. */ | |
531 | #define DT_MIPS_UNREFEXTNO 0x70000012 | |
532 | ||
533 | /* Index of first dynamic symbol in global offset table. */ | |
534 | #define DT_MIPS_GOTSYM 0x70000013 | |
535 | ||
536 | /* Number of page table entries in global offset table. */ | |
537 | #define DT_MIPS_HIPAGENO 0x70000014 | |
538 | ||
539 | /* Address of run time loader map, used for debugging. */ | |
540 | #define DT_MIPS_RLD_MAP 0x70000016 | |
1b734be6 UD |
541 | |
542 | /* Delta C++ class definition. */ | |
543 | #define DT_MIPS_DELTA_CLASS 0x70000017 | |
544 | ||
545 | /* Number of entries in DT_MIPS_DELTA_CLASS. */ | |
546 | #define DT_MIPS_DELTA_CLASS_NO 0x70000018 | |
547 | ||
548 | /* Delta C++ class instances. */ | |
549 | #define DT_MIPS_DELTA_INSTANCE 0x70000019 | |
550 | ||
551 | /* Number of entries in DT_MIPS_DELTA_INSTANCE. */ | |
552 | #define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a | |
553 | ||
554 | /* Delta relocations. */ | |
555 | #define DT_MIPS_DELTA_RELOC 0x7000001b | |
556 | ||
557 | /* Number of entries in DT_MIPS_DELTA_RELOC. */ | |
558 | #define DT_MIPS_DELTA_RELOC_NO 0x7000001c | |
559 | ||
560 | /* Delta symbols that Delta relocations refer to. */ | |
561 | #define DT_MIPS_DELTA_SYM 0x7000001d | |
562 | ||
563 | /* Number of entries in DT_MIPS_DELTA_SYM. */ | |
564 | #define DT_MIPS_DELTA_SYM_NO 0x7000001e | |
565 | ||
566 | /* Delta symbols that hold class declarations. */ | |
567 | #define DT_MIPS_DELTA_CLASSSYM 0x70000020 | |
568 | ||
569 | /* Number of entries in DT_MIPS_DELTA_CLASSSYM. */ | |
570 | #define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 | |
571 | ||
572 | /* Flags indicating information about C++ flavor. */ | |
573 | #define DT_MIPS_CXX_FLAGS 0x70000022 | |
574 | ||
575 | /* Pixie information (???). */ | |
576 | #define DT_MIPS_PIXIE_INIT 0x70000023 | |
577 | ||
578 | /* ??? */ | |
579 | #define DT_MIPS_SYMBOL_LIB 0x70000024 | |
580 | ||
581 | /* ??? */ | |
582 | #define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025 | |
583 | ||
584 | /* ??? */ | |
585 | #define DT_MIPS_LOCAL_GOTIDX 0x70000026 | |
586 | ||
587 | /* ??? */ | |
588 | #define DT_MIPS_HIDDEN_GOTIDX 0x70000027 | |
589 | ||
590 | /* ??? */ | |
591 | #define DT_MIPS_PROTECTED_GOTIDX 0x70000028 | |
592 | ||
593 | /* Address of `.MIPS.options'. */ | |
594 | #define DT_MIPS_OPTIONS 0x70000029 | |
595 | ||
596 | /* Address of `.interface'. */ | |
597 | #define DT_MIPS_INTERFACE 0x7000002a | |
598 | ||
599 | /* ??? */ | |
600 | #define DT_MIPS_DYNSTR_ALIGN 0x7000002b | |
601 | ||
602 | /* Size of the .interface section. */ | |
603 | #define DT_MIPS_INTERFACE_SIZE 0x7000002c | |
604 | ||
605 | /* Size of rld_text_resolve function stored in the GOT. */ | |
606 | #define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d | |
607 | ||
608 | /* Default suffix of DSO to be added by rld on dlopen() calls. */ | |
609 | #define DT_MIPS_PERF_SUFFIX 0x7000002e | |
610 | ||
611 | /* Size of compact relocation section (O32). */ | |
612 | #define DT_MIPS_COMPACT_SIZE 0x7000002f | |
613 | ||
614 | /* GP value for auxiliary GOTs. */ | |
615 | #define DT_MIPS_GP_VALUE 0x70000030 | |
616 | ||
617 | /* Address of auxiliary .dynamic. */ | |
618 | #define DT_MIPS_AUX_DYNAMIC 0x70000031 | |
80483b24 ILT |
619 | \f |
620 | /* Flags which may appear in a DT_MIPS_FLAGS entry. */ | |
621 | ||
622 | /* No flags. */ | |
623 | #define RHF_NONE 0x00000000 | |
624 | ||
625 | /* Uses shortcut pointers. */ | |
626 | #define RHF_QUICKSTART 0x00000001 | |
627 | ||
628 | /* Hash size is not a power of two. */ | |
629 | #define RHF_NOTPOT 0x00000002 | |
630 | ||
631 | /* Ignore LD_LIBRARY_PATH. */ | |
632 | #define RHS_NO_LIBRARY_REPLACEMENT \ | |
633 | 0x00000004 | |
47a5b9f3 UD |
634 | |
635 | #define RHF_NO_MOVE 0x00000008 | |
636 | #define RHF_SGI_ONLY 0x00000010 | |
637 | #define RHF_GUARANTEE_INIT 0x00000020 | |
638 | #define RHF_DELTA_C_PLUS_PLUS 0x00000040 | |
639 | #define RHF_GUARANTEE_START_INIT 0x00000080 | |
640 | #define RHF_PIXIE 0x00000100 | |
641 | #define RHF_DEFAULT_DELAY_LOAD 0x00000200 | |
642 | #define RHF_REQUICKSTART 0x00000400 | |
643 | #define RHF_REQUICKSTARTED 0x00000800 | |
644 | #define RHF_CORD 0x00001000 | |
645 | #define RHF_NO_UNRES_UNDEF 0x00002000 | |
646 | #define RHF_RLD_ORDER_SAFE 0x00004000 | |
80483b24 ILT |
647 | \f |
648 | /* Special values for the st_other field in the symbol table. These | |
649 | are used in an Irix 5 dynamic symbol table. */ | |
650 | ||
651 | #define STO_DEFAULT 0x00 | |
652 | #define STO_INTERNAL 0x01 | |
653 | #define STO_HIDDEN 0x02 | |
654 | #define STO_PROTECTED 0x03 | |
4086bde1 DE |
655 | |
656 | /* start-sanitize-sky */ | |
657 | /* These values are used for the dvp. */ | |
658 | #define STO_DVP_DMA 0xe8 | |
d15f4fd0 DE |
659 | #define STO_DVP_VIF 0xe9 |
660 | #define STO_DVP_GIF 0xea | |
4086bde1 | 661 | #define STO_DVP_VU 0xeb |
d15f4fd0 DE |
662 | /* Reserve a couple in case we need them. */ |
663 | #define STO_DVP_RES1 0xec | |
664 | #define STO_DVP_RES2 0xed | |
665 | #define STO_DVP_P(sto) ((sto) >= STO_DVP_DMA && (sto) <= STO_DVP_RES2) | |
4086bde1 DE |
666 | |
667 | /* end-sanitize-sky */ | |
668 | /* This value is used for a mips16 .text symbol. */ | |
669 | #define STO_MIPS16 0xf0 | |
80483b24 | 670 | \f |
4086bde1 | 671 | /* The 64-bit MIPS ELF ABI uses an unusual reloc format. Each |
80483b24 ILT |
672 | relocation entry specifies up to three actual relocations, all at |
673 | the same address. The first relocation which required a symbol | |
674 | uses the symbol in the r_sym field. The second relocation which | |
675 | requires a symbol uses the symbol in the r_ssym field. If all | |
676 | three relocations require a symbol, the third one uses a zero | |
677 | value. */ | |
678 | ||
679 | /* An entry in a 64 bit SHT_REL section. */ | |
680 | ||
681 | typedef struct | |
682 | { | |
683 | /* Address of relocation. */ | |
684 | unsigned char r_offset[8]; | |
685 | /* Symbol index. */ | |
686 | unsigned char r_sym[4]; | |
687 | /* Special symbol. */ | |
688 | unsigned char r_ssym[1]; | |
689 | /* Third relocation. */ | |
690 | unsigned char r_type3[1]; | |
691 | /* Second relocation. */ | |
692 | unsigned char r_type2[1]; | |
693 | /* First relocation. */ | |
694 | unsigned char r_type[1]; | |
695 | } Elf64_Mips_External_Rel; | |
696 | ||
697 | typedef struct | |
698 | { | |
699 | /* Address of relocation. */ | |
700 | bfd_vma r_offset; | |
701 | /* Symbol index. */ | |
702 | unsigned long r_sym; | |
703 | /* Special symbol. */ | |
704 | unsigned char r_ssym; | |
705 | /* Third relocation. */ | |
706 | unsigned char r_type3; | |
707 | /* Second relocation. */ | |
708 | unsigned char r_type2; | |
709 | /* First relocation. */ | |
710 | unsigned char r_type; | |
711 | } Elf64_Mips_Internal_Rel; | |
712 | ||
713 | /* An entry in a 64 bit SHT_RELA section. */ | |
714 | ||
715 | typedef struct | |
716 | { | |
717 | /* Address of relocation. */ | |
718 | unsigned char r_offset[8]; | |
719 | /* Symbol index. */ | |
720 | unsigned char r_sym[4]; | |
721 | /* Special symbol. */ | |
722 | unsigned char r_ssym[1]; | |
723 | /* Third relocation. */ | |
724 | unsigned char r_type3[1]; | |
725 | /* Second relocation. */ | |
726 | unsigned char r_type2[1]; | |
727 | /* First relocation. */ | |
728 | unsigned char r_type[1]; | |
729 | /* Addend. */ | |
730 | unsigned char r_addend[8]; | |
731 | } Elf64_Mips_External_Rela; | |
732 | ||
733 | typedef struct | |
734 | { | |
735 | /* Address of relocation. */ | |
736 | bfd_vma r_offset; | |
737 | /* Symbol index. */ | |
738 | unsigned long r_sym; | |
739 | /* Special symbol. */ | |
740 | unsigned char r_ssym; | |
741 | /* Third relocation. */ | |
742 | unsigned char r_type3; | |
743 | /* Second relocation. */ | |
744 | unsigned char r_type2; | |
745 | /* First relocation. */ | |
746 | unsigned char r_type; | |
747 | /* Addend. */ | |
748 | bfd_signed_vma r_addend; | |
749 | } Elf64_Mips_Internal_Rela; | |
750 | ||
751 | /* Values found in the r_ssym field of a relocation entry. */ | |
752 | ||
753 | /* No relocation. */ | |
754 | #define RSS_UNDEF 0 | |
755 | ||
756 | /* Value of GP. */ | |
757 | #define RSS_GP 1 | |
758 | ||
759 | /* Value of GP in object being relocated. */ | |
760 | #define RSS_GP0 2 | |
761 | ||
762 | /* Address of location being relocated. */ | |
763 | #define RSS_LOC 3 | |
4086bde1 DE |
764 | \f |
765 | /* A SHT_MIPS_OPTIONS section contains a series of options, each of | |
766 | which starts with this header. */ | |
767 | ||
768 | typedef struct | |
769 | { | |
770 | /* Type of option. */ | |
771 | unsigned char kind[1]; | |
772 | /* Size of option descriptor, including header. */ | |
773 | unsigned char size[1]; | |
774 | /* Section index of affected section, or 0 for global option. */ | |
775 | unsigned char section[2]; | |
776 | /* Information specific to this kind of option. */ | |
777 | unsigned char info[4]; | |
778 | } Elf_External_Options; | |
779 | ||
780 | typedef struct | |
781 | { | |
782 | /* Type of option. */ | |
783 | unsigned char kind; | |
784 | /* Size of option descriptor, including header. */ | |
785 | unsigned char size; | |
786 | /* Section index of affected section, or 0 for global option. */ | |
787 | unsigned short section; | |
788 | /* Information specific to this kind of option. */ | |
789 | unsigned long info; | |
790 | } Elf_Internal_Options; | |
791 | ||
792 | /* MIPS ELF option header swapping routines. */ | |
793 | extern void bfd_mips_elf_swap_options_in | |
794 | PARAMS ((bfd *, const Elf_External_Options *, Elf_Internal_Options *)); | |
795 | extern void bfd_mips_elf_swap_options_out | |
796 | PARAMS ((bfd *, const Elf_Internal_Options *, Elf_External_Options *)); | |
797 | ||
798 | /* Values which may appear in the kind field of an Elf_Options | |
799 | structure. */ | |
800 | ||
801 | /* Undefined. */ | |
802 | #define ODK_NULL 0 | |
803 | ||
804 | /* Register usage and GP value. */ | |
805 | #define ODK_REGINFO 1 | |
806 | ||
807 | /* Exception processing information. */ | |
808 | #define ODK_EXCEPTIONS 2 | |
809 | ||
810 | /* Section padding information. */ | |
811 | #define ODK_PAD 3 | |
812 | ||
c27d2e18 UD |
813 | /* Hardware workarounds performed. */ |
814 | #define ODK_HWPATCH 4 | |
815 | ||
816 | /* Fill value used by the linker. */ | |
817 | #define ODK_FILL 5 | |
818 | ||
819 | /* Reserved space for desktop tools. */ | |
820 | #define ODK_TAGS 6 | |
821 | ||
822 | /* Hardware workarounds, AND bits when merging. */ | |
823 | #define ODK_HWAND 7 | |
824 | ||
825 | /* Hardware workarounds, OR bits when merging. */ | |
826 | #define ODK_HWOR 8 | |
827 | ||
828 | /* GP group to use for text/data sections. */ | |
829 | #define ODK_GP_GROUP 9 | |
830 | ||
831 | /* ID information. */ | |
832 | #define ODK_IDENT 10 | |
833 | ||
834 | /* In the 32 bit ABI, an ODK_REGINFO option is just a Elf32_RegInfo | |
4086bde1 DE |
835 | structure. In the 64 bit ABI, it is the following structure. The |
836 | info field of the options header is not used. */ | |
837 | ||
838 | typedef struct | |
839 | { | |
840 | /* Mask of general purpose registers used. */ | |
841 | unsigned char ri_gprmask[4]; | |
842 | /* Padding. */ | |
843 | unsigned char ri_pad[4]; | |
844 | /* Mask of co-processor registers used. */ | |
845 | unsigned char ri_cprmask[4][4]; | |
846 | /* GP register value for this object file. */ | |
847 | unsigned char ri_gp_value[8]; | |
848 | } Elf64_External_RegInfo; | |
849 | ||
850 | typedef struct | |
851 | { | |
852 | /* Mask of general purpose registers used. */ | |
853 | unsigned long ri_gprmask; | |
854 | /* Padding. */ | |
855 | unsigned long ri_pad; | |
856 | /* Mask of co-processor registers used. */ | |
857 | unsigned long ri_cprmask[4]; | |
858 | /* GP register value for this object file. */ | |
859 | bfd_vma ri_gp_value; | |
860 | } Elf64_Internal_RegInfo; | |
861 | ||
862 | /* MIPS ELF reginfo swapping routines. */ | |
863 | extern void bfd_mips_elf64_swap_reginfo_in | |
864 | PARAMS ((bfd *, const Elf64_External_RegInfo *, Elf64_Internal_RegInfo *)); | |
865 | extern void bfd_mips_elf64_swap_reginfo_out | |
866 | PARAMS ((bfd *, const Elf64_Internal_RegInfo *, Elf64_External_RegInfo *)); | |
c27d2e18 UD |
867 | |
868 | /* Masks for the info work of an ODK_EXCEPTIONS descriptor. */ | |
869 | #define OEX_FPU_MIN 0x1f /* FPEs which must be enabled. */ | |
870 | #define OEX_FPU_MAX 0x1f00 /* FPEs which may be enabled. */ | |
871 | #define OEX_PAGE0 0x10000 /* Page zero must be mapped. */ | |
872 | #define OEX_SMM 0x20000 /* Force sequential memory mode. */ | |
873 | #define OEX_FPDBUG 0x40000 /* Force floating-point debug mode. */ | |
874 | #define OEX_DISMISS 0x80000 /* Dismiss invalid address faults. */ | |
875 | ||
876 | /* Masks of the FP exceptions for OEX_FPU_MIN and OEX_FPU_MAX. */ | |
877 | #define OEX_FPU_INVAL 0x10 /* Invalid operation exception. */ | |
878 | #define OEX_FPU_DIV0 0x08 /* Division by zero exception. */ | |
879 | #define OEX_FPU_OFLO 0x04 /* Overflow exception. */ | |
880 | #define OEX_FPU_UFLO 0x02 /* Underflow exception. */ | |
881 | #define OEX_FPU_INEX 0x01 /* Inexact exception. */ | |
882 | ||
883 | /* Masks for the info word of an ODK_PAD descriptor. */ | |
884 | #define OPAD_PREFIX 0x01 | |
885 | #define OPAD_POSTFIX 0x02 | |
886 | #define OPAD_SYMBOL 0x04 | |
887 | ||
888 | /* Masks for the info word of an ODK_HWPATCH descriptor. */ | |
889 | #define OHW_R4KEOP 0x01 /* R4000 end-of-page patch. */ | |
890 | #define OHW_R8KPFETCH 0x02 /* May need R8000 prefetch patch. */ | |
891 | #define OHW_R5KEOP 0x04 /* R5000 end-of-page patch. */ | |
892 | #define OHW_R5KCVTL 0x08 /* R5000 cvt.[ds].l bug (clean == 1). */ | |
893 | ||
894 | /* Masks for the info word of an ODK_IDENT/ODK_GP_GROUP descriptor. */ | |
895 | #define OGP_GROUP 0x0000ffff /* GP group number. */ | |
896 | #define OGP_SELF 0xffff0000 /* Self-contained GP groups. */ | |
897 | ||
898 | /* Masks for the info word of an ODK_HWAND/ODK_HWOR descriptor. */ | |
899 | #define OHWA0_R4KEOP_CHECKED 0x00000001 | |
900 | #define OHWA0_R4KEOP_CLEAN 0x00000002 | |
d15f4fd0 DE |
901 | \f |
902 | /* start-sanitize-sky */ | |
903 | /* The vu overlay table is an array of this. */ | |
904 | ||
905 | typedef struct | |
906 | { | |
55412e05 UD |
907 | /* `name' is offset into overlay string table section. */ |
908 | char name[4]; | |
909 | char lma[4]; | |
910 | char vma[4]; | |
911 | } Elf32_Dvp_External_Overlay; | |
d15f4fd0 DE |
912 | |
913 | typedef struct | |
914 | { | |
915 | bfd_vma name; | |
916 | bfd_vma lma; | |
917 | bfd_vma vma; | |
55412e05 | 918 | } Elf32_Dvp_Internal_Overlay; |
d15f4fd0 DE |
919 | |
920 | /* overlay swapping routines. */ | |
55412e05 UD |
921 | extern void bfd_dvp_elf32_swap_overlay_in |
922 | PARAMS ((bfd *, const Elf32_Dvp_External_Overlay *, | |
923 | Elf32_Dvp_Internal_Overlay *)); | |
924 | extern void bfd_dvp_elf32_swap_overlay_out | |
925 | PARAMS ((bfd *, const Elf32_Dvp_Internal_Overlay *, | |
926 | Elf32_Dvp_External_Overlay *)); | |
d15f4fd0 DE |
927 | |
928 | /* end-sanitize-sky */ | |
80483b24 ILT |
929 | |
930 | #endif /* _ELF_MIPS_H */ |