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Fix TARGET_CHAR_BIT/HOST_CHAR_BIT confusion in gmp-utils.c
[binutils-gdb.git] / bfd / elf32-mips.c
blobb17d51620eae94b5bad1a90d24b198c350614ced
1 /* MIPS-specific support for 32-bit ELF
2 Copyright (C) 1993-2020 Free Software Foundation, Inc.
3
4 Most of the information added by Ian Lance Taylor, Cygnus Support,
5 <ian@cygnus.com>.
6 N32/64 ABI support added by Mark Mitchell, CodeSourcery, LLC.
7 <mark@codesourcery.com>
8 Traditional MIPS targets support added by Koundinya.K, Dansk Data
9 Elektronik & Operations Research Group. <kk@ddeorg.soft.net>
10
11 This file is part of BFD, the Binary File Descriptor library.
12
13 This program is free software; you can redistribute it and/or modify
14 it under the terms of the GNU General Public License as published by
15 the Free Software Foundation; either version 3 of the License, or
16 (at your option) any later version.
17
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
22
23 You should have received a copy of the GNU General Public License
24 along with this program; if not, write to the Free Software
25 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
26 MA 02110-1301, USA. */
27
28
29 /* This file handles MIPS ELF targets. SGI Irix 5 uses a slightly
30 different MIPS ELF from other targets. This matters when linking.
31 This file supports both, switching at runtime. */
32
33 #include "sysdep.h"
34 #include "bfd.h"
35 #include "libbfd.h"
36 #include "bfdlink.h"
37 #include "genlink.h"
38 #include "elf-bfd.h"
39 #include "elfxx-mips.h"
40 #include "elf/mips.h"
41 #include "elf-vxworks.h"
42
43 /* Get the ECOFF swapping routines. */
44 #include "coff/sym.h"
45 #include "coff/symconst.h"
46 #include "coff/internal.h"
47 #include "coff/ecoff.h"
48 #include "coff/mips.h"
49 #define ECOFF_SIGNED_32
50 #include "ecoffswap.h"
51
52 static bfd_reloc_status_type gprel32_with_gp
53 (bfd *, asymbol *, arelent *, asection *, bfd_boolean, void *, bfd_vma);
54 static bfd_reloc_status_type mips_elf_gprel32_reloc
55 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
56 static bfd_reloc_status_type mips32_64bit_reloc
57 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
58 static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
59 (bfd *, bfd_reloc_code_real_type);
60 static bfd_boolean mips_info_to_howto_rel
61 (bfd *, arelent *, Elf_Internal_Rela *);
62 static bfd_boolean mips_info_to_howto_rela
63 (bfd *, arelent *, Elf_Internal_Rela *);
64 static bfd_boolean mips_elf_sym_is_global
65 (bfd *, asymbol *);
66 static bfd_boolean mips_elf32_elfsym_local_is_section
67 (bfd *);
68 static bfd_boolean mips_elf32_object_p
69 (bfd *);
70 static bfd_boolean mips_elf_is_local_label_name
71 (bfd *, const char *);
72 static bfd_reloc_status_type mips16_gprel_reloc
73 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
74 static bfd_reloc_status_type mips_elf_final_gp
75 (bfd *, asymbol *, bfd_boolean, char **, bfd_vma *);
76 static bfd_boolean mips_elf_assign_gp
77 (bfd *, bfd_vma *);
78 static bfd_boolean elf32_mips_grok_prstatus
79 (bfd *, Elf_Internal_Note *);
80 static bfd_boolean elf32_mips_grok_psinfo
81 (bfd *, Elf_Internal_Note *);
82 static irix_compat_t elf32_mips_irix_compat
83 (bfd *);
84
85 extern const bfd_target mips_elf32_be_vec;
86 extern const bfd_target mips_elf32_le_vec;
87
88 /* Nonzero if ABFD is using the N32 ABI. */
89 #define ABI_N32_P(abfd) \
90 ((elf_elfheader (abfd)->e_flags & EF_MIPS_ABI2) != 0)
91
92 /* Whether we are trying to be compatible with IRIX at all. */
93 #define SGI_COMPAT(abfd) \
94 (elf32_mips_irix_compat (abfd) != ict_none)
95
96 /* The number of local .got entries we reserve. */
97 #define MIPS_RESERVED_GOTNO (2)
98
99 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value
100 from smaller values. Start with zero, widen, *then* decrement. */
101 #define MINUS_ONE (((bfd_vma)0) - 1)
102
103 /* The relocation table used for SHT_REL sections. */
104
105 static reloc_howto_type elf_mips_howto_table_rel[] =
106 {
107 /* No relocation. */
108 HOWTO (R_MIPS_NONE, /* type */
109 0, /* rightshift */
110 3, /* size (0 = byte, 1 = short, 2 = long) */
111 0, /* bitsize */
112 FALSE, /* pc_relative */
113 0, /* bitpos */
114 complain_overflow_dont, /* complain_on_overflow */
115 _bfd_mips_elf_generic_reloc, /* special_function */
116 "R_MIPS_NONE", /* name */
117 FALSE, /* partial_inplace */
118 0, /* src_mask */
119 0, /* dst_mask */
120 FALSE), /* pcrel_offset */
121
122 /* 16 bit relocation. */
123 HOWTO (R_MIPS_16, /* type */
124 0, /* rightshift */
125 2, /* size (0 = byte, 1 = short, 2 = long) */
126 16, /* bitsize */
127 FALSE, /* pc_relative */
128 0, /* bitpos */
129 complain_overflow_signed, /* complain_on_overflow */
130 _bfd_mips_elf_generic_reloc, /* special_function */
131 "R_MIPS_16", /* name */
132 TRUE, /* partial_inplace */
133 0x0000ffff, /* src_mask */
134 0x0000ffff, /* dst_mask */
135 FALSE), /* pcrel_offset */
136
137 /* 32 bit relocation. */
138 HOWTO (R_MIPS_32, /* type */
139 0, /* rightshift */
140 2, /* size (0 = byte, 1 = short, 2 = long) */
141 32, /* bitsize */
142 FALSE, /* pc_relative */
143 0, /* bitpos */
144 complain_overflow_dont, /* complain_on_overflow */
145 _bfd_mips_elf_generic_reloc, /* special_function */
146 "R_MIPS_32", /* name */
147 TRUE, /* partial_inplace */
148 0xffffffff, /* src_mask */
149 0xffffffff, /* dst_mask */
150 FALSE), /* pcrel_offset */
151
152 /* 32 bit symbol relative relocation. */
153 HOWTO (R_MIPS_REL32, /* type */
154 0, /* rightshift */
155 2, /* size (0 = byte, 1 = short, 2 = long) */
156 32, /* bitsize */
157 FALSE, /* pc_relative */
158 0, /* bitpos */
159 complain_overflow_dont, /* complain_on_overflow */
160 _bfd_mips_elf_generic_reloc, /* special_function */
161 "R_MIPS_REL32", /* name */
162 TRUE, /* partial_inplace */
163 0xffffffff, /* src_mask */
164 0xffffffff, /* dst_mask */
165 FALSE), /* pcrel_offset */
166
167 /* 26 bit jump address. */
168 HOWTO (R_MIPS_26, /* type */
169 2, /* rightshift */
170 2, /* size (0 = byte, 1 = short, 2 = long) */
171 26, /* bitsize */
172 FALSE, /* pc_relative */
173 0, /* bitpos */
174 complain_overflow_dont, /* complain_on_overflow */
175 /* This needs complex overflow
176 detection, because the upper four
177 bits must match the PC + 4. */
178 _bfd_mips_elf_generic_reloc, /* special_function */
179 "R_MIPS_26", /* name */
180 TRUE, /* partial_inplace */
181 0x03ffffff, /* src_mask */
182 0x03ffffff, /* dst_mask */
183 FALSE), /* pcrel_offset */
184
185 /* High 16 bits of symbol value. */
186 HOWTO (R_MIPS_HI16, /* type */
187 16, /* rightshift */
188 2, /* size (0 = byte, 1 = short, 2 = long) */
189 16, /* bitsize */
190 FALSE, /* pc_relative */
191 0, /* bitpos */
192 complain_overflow_dont, /* complain_on_overflow */
193 _bfd_mips_elf_hi16_reloc, /* special_function */
194 "R_MIPS_HI16", /* name */
195 TRUE, /* partial_inplace */
196 0x0000ffff, /* src_mask */
197 0x0000ffff, /* dst_mask */
198 FALSE), /* pcrel_offset */
199
200 /* Low 16 bits of symbol value. */
201 HOWTO (R_MIPS_LO16, /* type */
202 0, /* rightshift */
203 2, /* size (0 = byte, 1 = short, 2 = long) */
204 16, /* bitsize */
205 FALSE, /* pc_relative */
206 0, /* bitpos */
207 complain_overflow_dont, /* complain_on_overflow */
208 _bfd_mips_elf_lo16_reloc, /* special_function */
209 "R_MIPS_LO16", /* name */
210 TRUE, /* partial_inplace */
211 0x0000ffff, /* src_mask */
212 0x0000ffff, /* dst_mask */
213 FALSE), /* pcrel_offset */
214
215 /* GP relative reference. */
216 HOWTO (R_MIPS_GPREL16, /* type */
217 0, /* rightshift */
218 2, /* size (0 = byte, 1 = short, 2 = long) */
219 16, /* bitsize */
220 FALSE, /* pc_relative */
221 0, /* bitpos */
222 complain_overflow_signed, /* complain_on_overflow */
223 _bfd_mips_elf32_gprel16_reloc, /* special_function */
224 "R_MIPS_GPREL16", /* name */
225 TRUE, /* partial_inplace */
226 0x0000ffff, /* src_mask */
227 0x0000ffff, /* dst_mask */
228 FALSE), /* pcrel_offset */
229
230 /* Reference to literal section. */
231 HOWTO (R_MIPS_LITERAL, /* type */
232 0, /* rightshift */
233 2, /* size (0 = byte, 1 = short, 2 = long) */
234 16, /* bitsize */
235 FALSE, /* pc_relative */
236 0, /* bitpos */
237 complain_overflow_signed, /* complain_on_overflow */
238 _bfd_mips_elf32_gprel16_reloc, /* special_function */
239 "R_MIPS_LITERAL", /* name */
240 TRUE, /* partial_inplace */
241 0x0000ffff, /* src_mask */
242 0x0000ffff, /* dst_mask */
243 FALSE), /* pcrel_offset */
244
245 /* Reference to global offset table. */
246 HOWTO (R_MIPS_GOT16, /* type */
247 0, /* rightshift */
248 2, /* size (0 = byte, 1 = short, 2 = long) */
249 16, /* bitsize */
250 FALSE, /* pc_relative */
251 0, /* bitpos */
252 complain_overflow_signed, /* complain_on_overflow */
253 _bfd_mips_elf_got16_reloc, /* special_function */
254 "R_MIPS_GOT16", /* name */
255 TRUE, /* partial_inplace */
256 0x0000ffff, /* src_mask */
257 0x0000ffff, /* dst_mask */
258 FALSE), /* pcrel_offset */
259
260 /* 16 bit PC relative reference. Note that the ABI document has a typo
261 and claims R_MIPS_PC16 to be not rightshifted, rendering it useless.
262 We do the right thing here. */
263 HOWTO (R_MIPS_PC16, /* type */
264 2, /* rightshift */
265 2, /* size (0 = byte, 1 = short, 2 = long) */
266 16, /* bitsize */
267 TRUE, /* pc_relative */
268 0, /* bitpos */
269 complain_overflow_signed, /* complain_on_overflow */
270 _bfd_mips_elf_generic_reloc, /* special_function */
271 "R_MIPS_PC16", /* name */
272 TRUE, /* partial_inplace */
273 0x0000ffff, /* src_mask */
274 0x0000ffff, /* dst_mask */
275 TRUE), /* pcrel_offset */
276
277 /* 16 bit call through global offset table. */
278 HOWTO (R_MIPS_CALL16, /* type */
279 0, /* rightshift */
280 2, /* size (0 = byte, 1 = short, 2 = long) */
281 16, /* bitsize */
282 FALSE, /* pc_relative */
283 0, /* bitpos */
284 complain_overflow_signed, /* complain_on_overflow */
285 _bfd_mips_elf_generic_reloc, /* special_function */
286 "R_MIPS_CALL16", /* name */
287 TRUE, /* partial_inplace */
288 0x0000ffff, /* src_mask */
289 0x0000ffff, /* dst_mask */
290 FALSE), /* pcrel_offset */
291
292 /* 32 bit GP relative reference. */
293 HOWTO (R_MIPS_GPREL32, /* type */
294 0, /* rightshift */
295 2, /* size (0 = byte, 1 = short, 2 = long) */
296 32, /* bitsize */
297 FALSE, /* pc_relative */
298 0, /* bitpos */
299 complain_overflow_dont, /* complain_on_overflow */
300 mips_elf_gprel32_reloc, /* special_function */
301 "R_MIPS_GPREL32", /* name */
302 TRUE, /* partial_inplace */
303 0xffffffff, /* src_mask */
304 0xffffffff, /* dst_mask */
305 FALSE), /* pcrel_offset */
306
307 /* The remaining relocs are defined on Irix 5, although they are
308 not defined by the ABI. */
309 EMPTY_HOWTO (13),
310 EMPTY_HOWTO (14),
311 EMPTY_HOWTO (15),
312
313 /* A 5 bit shift field. */
314 HOWTO (R_MIPS_SHIFT5, /* type */
315 0, /* rightshift */
316 2, /* size (0 = byte, 1 = short, 2 = long) */
317 5, /* bitsize */
318 FALSE, /* pc_relative */
319 6, /* bitpos */
320 complain_overflow_bitfield, /* complain_on_overflow */
321 _bfd_mips_elf_generic_reloc, /* special_function */
322 "R_MIPS_SHIFT5", /* name */
323 TRUE, /* partial_inplace */
324 0x000007c0, /* src_mask */
325 0x000007c0, /* dst_mask */
326 FALSE), /* pcrel_offset */
327
328 /* A 6 bit shift field. */
329 /* FIXME: This is not handled correctly; a special function is
330 needed to put the most significant bit in the right place. */
331 HOWTO (R_MIPS_SHIFT6, /* type */
332 0, /* rightshift */
333 2, /* size (0 = byte, 1 = short, 2 = long) */
334 6, /* bitsize */
335 FALSE, /* pc_relative */
336 6, /* bitpos */
337 complain_overflow_bitfield, /* complain_on_overflow */
338 _bfd_mips_elf_generic_reloc, /* special_function */
339 "R_MIPS_SHIFT6", /* name */
340 TRUE, /* partial_inplace */
341 0x000007c4, /* src_mask */
342 0x000007c4, /* dst_mask */
343 FALSE), /* pcrel_offset */
344
345 /* A 64 bit relocation. */
346 HOWTO (R_MIPS_64, /* type */
347 0, /* rightshift */
348 4, /* size (0 = byte, 1 = short, 2 = long) */
349 64, /* bitsize */
350 FALSE, /* pc_relative */
351 0, /* bitpos */
352 complain_overflow_dont, /* complain_on_overflow */
353 mips32_64bit_reloc, /* special_function */
354 "R_MIPS_64", /* name */
355 TRUE, /* partial_inplace */
356 MINUS_ONE, /* src_mask */
357 MINUS_ONE, /* dst_mask */
358 FALSE), /* pcrel_offset */
359
360 /* Displacement in the global offset table. */
361 HOWTO (R_MIPS_GOT_DISP, /* type */
362 0, /* rightshift */
363 2, /* size (0 = byte, 1 = short, 2 = long) */
364 16, /* bitsize */
365 FALSE, /* pc_relative */
366 0, /* bitpos */
367 complain_overflow_signed, /* complain_on_overflow */
368 _bfd_mips_elf_generic_reloc, /* special_function */
369 "R_MIPS_GOT_DISP", /* name */
370 TRUE, /* partial_inplace */
371 0x0000ffff, /* src_mask */
372 0x0000ffff, /* dst_mask */
373 FALSE), /* pcrel_offset */
374
375 /* Displacement to page pointer in the global offset table. */
376 HOWTO (R_MIPS_GOT_PAGE, /* type */
377 0, /* rightshift */
378 2, /* size (0 = byte, 1 = short, 2 = long) */
379 16, /* bitsize */
380 FALSE, /* pc_relative */
381 0, /* bitpos */
382 complain_overflow_signed, /* complain_on_overflow */
383 _bfd_mips_elf_generic_reloc, /* special_function */
384 "R_MIPS_GOT_PAGE", /* name */
385 TRUE, /* partial_inplace */
386 0x0000ffff, /* src_mask */
387 0x0000ffff, /* dst_mask */
388 FALSE), /* pcrel_offset */
389
390 /* Offset from page pointer in the global offset table. */
391 HOWTO (R_MIPS_GOT_OFST, /* type */
392 0, /* rightshift */
393 2, /* size (0 = byte, 1 = short, 2 = long) */
394 16, /* bitsize */
395 FALSE, /* pc_relative */
396 0, /* bitpos */
397 complain_overflow_signed, /* complain_on_overflow */
398 _bfd_mips_elf_generic_reloc, /* special_function */
399 "R_MIPS_GOT_OFST", /* name */
400 TRUE, /* partial_inplace */
401 0x0000ffff, /* src_mask */
402 0x0000ffff, /* dst_mask */
403 FALSE), /* pcrel_offset */
404
405 /* High 16 bits of displacement in global offset table. */
406 HOWTO (R_MIPS_GOT_HI16, /* type */
407 0, /* rightshift */
408 2, /* size (0 = byte, 1 = short, 2 = long) */
409 16, /* bitsize */
410 FALSE, /* pc_relative */
411 0, /* bitpos */
412 complain_overflow_dont, /* complain_on_overflow */
413 _bfd_mips_elf_generic_reloc, /* special_function */
414 "R_MIPS_GOT_HI16", /* name */
415 TRUE, /* partial_inplace */
416 0x0000ffff, /* src_mask */
417 0x0000ffff, /* dst_mask */
418 FALSE), /* pcrel_offset */
419
420 /* Low 16 bits of displacement in global offset table. */
421 HOWTO (R_MIPS_GOT_LO16, /* type */
422 0, /* rightshift */
423 2, /* size (0 = byte, 1 = short, 2 = long) */
424 16, /* bitsize */
425 FALSE, /* pc_relative */
426 0, /* bitpos */
427 complain_overflow_dont, /* complain_on_overflow */
428 _bfd_mips_elf_generic_reloc, /* special_function */
429 "R_MIPS_GOT_LO16", /* name */
430 TRUE, /* partial_inplace */
431 0x0000ffff, /* src_mask */
432 0x0000ffff, /* dst_mask */
433 FALSE), /* pcrel_offset */
434
435 /* 64 bit subtraction. Used in the N32 ABI. */
436 HOWTO (R_MIPS_SUB, /* type */
437 0, /* rightshift */
438 4, /* size (0 = byte, 1 = short, 2 = long) */
439 64, /* bitsize */
440 FALSE, /* pc_relative */
441 0, /* bitpos */
442 complain_overflow_dont, /* complain_on_overflow */
443 _bfd_mips_elf_generic_reloc, /* special_function */
444 "R_MIPS_SUB", /* name */
445 TRUE, /* partial_inplace */
446 MINUS_ONE, /* src_mask */
447 MINUS_ONE, /* dst_mask */
448 FALSE), /* pcrel_offset */
449
450 /* Used to cause the linker to insert and delete instructions? */
451 EMPTY_HOWTO (R_MIPS_INSERT_A),
452 EMPTY_HOWTO (R_MIPS_INSERT_B),
453 EMPTY_HOWTO (R_MIPS_DELETE),
454
455 /* Get the higher value of a 64 bit addend. */
456 HOWTO (R_MIPS_HIGHER, /* type */
457 0, /* rightshift */
458 2, /* size (0 = byte, 1 = short, 2 = long) */
459 16, /* bitsize */
460 FALSE, /* pc_relative */
461 0, /* bitpos */
462 complain_overflow_dont, /* complain_on_overflow */
463 _bfd_mips_elf_generic_reloc, /* special_function */
464 "R_MIPS_HIGHER", /* name */
465 TRUE, /* partial_inplace */
466 0x0000ffff, /* src_mask */
467 0x0000ffff, /* dst_mask */
468 FALSE), /* pcrel_offset */
469
470 /* Get the highest value of a 64 bit addend. */
471 HOWTO (R_MIPS_HIGHEST, /* type */
472 0, /* rightshift */
473 2, /* size (0 = byte, 1 = short, 2 = long) */
474 16, /* bitsize */
475 FALSE, /* pc_relative */
476 0, /* bitpos */
477 complain_overflow_dont, /* complain_on_overflow */
478 _bfd_mips_elf_generic_reloc, /* special_function */
479 "R_MIPS_HIGHEST", /* name */
480 TRUE, /* partial_inplace */
481 0x0000ffff, /* src_mask */
482 0x0000ffff, /* dst_mask */
483 FALSE), /* pcrel_offset */
484
485 /* High 16 bits of displacement in global offset table. */
486 HOWTO (R_MIPS_CALL_HI16, /* type */
487 0, /* rightshift */
488 2, /* size (0 = byte, 1 = short, 2 = long) */
489 16, /* bitsize */
490 FALSE, /* pc_relative */
491 0, /* bitpos */
492 complain_overflow_dont, /* complain_on_overflow */
493 _bfd_mips_elf_generic_reloc, /* special_function */
494 "R_MIPS_CALL_HI16", /* name */
495 TRUE, /* partial_inplace */
496 0x0000ffff, /* src_mask */
497 0x0000ffff, /* dst_mask */
498 FALSE), /* pcrel_offset */
499
500 /* Low 16 bits of displacement in global offset table. */
501 HOWTO (R_MIPS_CALL_LO16, /* type */
502 0, /* rightshift */
503 2, /* size (0 = byte, 1 = short, 2 = long) */
504 16, /* bitsize */
505 FALSE, /* pc_relative */
506 0, /* bitpos */
507 complain_overflow_dont, /* complain_on_overflow */
508 _bfd_mips_elf_generic_reloc, /* special_function */
509 "R_MIPS_CALL_LO16", /* name */
510 TRUE, /* partial_inplace */
511 0x0000ffff, /* src_mask */
512 0x0000ffff, /* dst_mask */
513 FALSE), /* pcrel_offset */
514
515 /* Section displacement. */
516 HOWTO (R_MIPS_SCN_DISP, /* type */
517 0, /* rightshift */
518 2, /* size (0 = byte, 1 = short, 2 = long) */
519 32, /* bitsize */
520 FALSE, /* pc_relative */
521 0, /* bitpos */
522 complain_overflow_dont, /* complain_on_overflow */
523 _bfd_mips_elf_generic_reloc, /* special_function */
524 "R_MIPS_SCN_DISP", /* name */
525 TRUE, /* partial_inplace */
526 0xffffffff, /* src_mask */
527 0xffffffff, /* dst_mask */
528 FALSE), /* pcrel_offset */
529
530 EMPTY_HOWTO (R_MIPS_REL16),
531 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE),
532 EMPTY_HOWTO (R_MIPS_PJUMP),
533 EMPTY_HOWTO (R_MIPS_RELGOT),
534
535 /* Protected jump conversion. This is an optimization hint. No
536 relocation is required for correctness. */
537 HOWTO (R_MIPS_JALR, /* type */
538 0, /* rightshift */
539 2, /* size (0 = byte, 1 = short, 2 = long) */
540 32, /* bitsize */
541 FALSE, /* pc_relative */
542 0, /* bitpos */
543 complain_overflow_dont, /* complain_on_overflow */
544 _bfd_mips_elf_generic_reloc, /* special_function */
545 "R_MIPS_JALR", /* name */
546 FALSE, /* partial_inplace */
547 0x00000000, /* src_mask */
548 0x00000000, /* dst_mask */
549 FALSE), /* pcrel_offset */
550
551 /* TLS GD/LD dynamic relocations. */
552 HOWTO (R_MIPS_TLS_DTPMOD32, /* type */
553 0, /* rightshift */
554 2, /* size (0 = byte, 1 = short, 2 = long) */
555 32, /* bitsize */
556 FALSE, /* pc_relative */
557 0, /* bitpos */
558 complain_overflow_dont, /* complain_on_overflow */
559 _bfd_mips_elf_generic_reloc, /* special_function */
560 "R_MIPS_TLS_DTPMOD32", /* name */
561 TRUE, /* partial_inplace */
562 0xffffffff, /* src_mask */
563 0xffffffff, /* dst_mask */
564 FALSE), /* pcrel_offset */
565
566 HOWTO (R_MIPS_TLS_DTPREL32, /* type */
567 0, /* rightshift */
568 2, /* size (0 = byte, 1 = short, 2 = long) */
569 32, /* bitsize */
570 FALSE, /* pc_relative */
571 0, /* bitpos */
572 complain_overflow_dont, /* complain_on_overflow */
573 _bfd_mips_elf_generic_reloc, /* special_function */
574 "R_MIPS_TLS_DTPREL32", /* name */
575 TRUE, /* partial_inplace */
576 0xffffffff, /* src_mask */
577 0xffffffff, /* dst_mask */
578 FALSE), /* pcrel_offset */
579
580 EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64),
581 EMPTY_HOWTO (R_MIPS_TLS_DTPREL64),
582
583 /* TLS general dynamic variable reference. */
584 HOWTO (R_MIPS_TLS_GD, /* type */
585 0, /* rightshift */
586 2, /* size (0 = byte, 1 = short, 2 = long) */
587 16, /* bitsize */
588 FALSE, /* pc_relative */
589 0, /* bitpos */
590 complain_overflow_signed, /* complain_on_overflow */
591 _bfd_mips_elf_generic_reloc, /* special_function */
592 "R_MIPS_TLS_GD", /* name */
593 TRUE, /* partial_inplace */
594 0x0000ffff, /* src_mask */
595 0x0000ffff, /* dst_mask */
596 FALSE), /* pcrel_offset */
597
598 /* TLS local dynamic variable reference. */
599 HOWTO (R_MIPS_TLS_LDM, /* type */
600 0, /* rightshift */
601 2, /* size (0 = byte, 1 = short, 2 = long) */
602 16, /* bitsize */
603 FALSE, /* pc_relative */
604 0, /* bitpos */
605 complain_overflow_signed, /* complain_on_overflow */
606 _bfd_mips_elf_generic_reloc, /* special_function */
607 "R_MIPS_TLS_LDM", /* name */
608 TRUE, /* partial_inplace */
609 0x0000ffff, /* src_mask */
610 0x0000ffff, /* dst_mask */
611 FALSE), /* pcrel_offset */
612
613 /* TLS local dynamic offset. */
614 HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */
615 0, /* rightshift */
616 2, /* size (0 = byte, 1 = short, 2 = long) */
617 16, /* bitsize */
618 FALSE, /* pc_relative */
619 0, /* bitpos */
620 complain_overflow_signed, /* complain_on_overflow */
621 _bfd_mips_elf_generic_reloc, /* special_function */
622 "R_MIPS_TLS_DTPREL_HI16", /* name */
623 TRUE, /* partial_inplace */
624 0x0000ffff, /* src_mask */
625 0x0000ffff, /* dst_mask */
626 FALSE), /* pcrel_offset */
627
628 /* TLS local dynamic offset. */
629 HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */
630 0, /* rightshift */
631 2, /* size (0 = byte, 1 = short, 2 = long) */
632 16, /* bitsize */
633 FALSE, /* pc_relative */
634 0, /* bitpos */
635 complain_overflow_signed, /* complain_on_overflow */
636 _bfd_mips_elf_generic_reloc, /* special_function */
637 "R_MIPS_TLS_DTPREL_LO16", /* name */
638 TRUE, /* partial_inplace */
639 0x0000ffff, /* src_mask */
640 0x0000ffff, /* dst_mask */
641 FALSE), /* pcrel_offset */
642
643 /* TLS thread pointer offset. */
644 HOWTO (R_MIPS_TLS_GOTTPREL, /* type */
645 0, /* rightshift */
646 2, /* size (0 = byte, 1 = short, 2 = long) */
647 16, /* bitsize */
648 FALSE, /* pc_relative */
649 0, /* bitpos */
650 complain_overflow_signed, /* complain_on_overflow */
651 _bfd_mips_elf_generic_reloc, /* special_function */
652 "R_MIPS_TLS_GOTTPREL", /* name */
653 TRUE, /* partial_inplace */
654 0x0000ffff, /* src_mask */
655 0x0000ffff, /* dst_mask */
656 FALSE), /* pcrel_offset */
657
658 /* TLS IE dynamic relocations. */
659 HOWTO (R_MIPS_TLS_TPREL32, /* type */
660 0, /* rightshift */
661 2, /* size (0 = byte, 1 = short, 2 = long) */
662 32, /* bitsize */
663 FALSE, /* pc_relative */
664 0, /* bitpos */
665 complain_overflow_dont, /* complain_on_overflow */
666 _bfd_mips_elf_generic_reloc, /* special_function */
667 "R_MIPS_TLS_TPREL32", /* name */
668 TRUE, /* partial_inplace */
669 0xffffffff, /* src_mask */
670 0xffffffff, /* dst_mask */
671 FALSE), /* pcrel_offset */
672
673 EMPTY_HOWTO (R_MIPS_TLS_TPREL64),
674
675 /* TLS thread pointer offset. */
676 HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */
677 0, /* rightshift */
678 2, /* size (0 = byte, 1 = short, 2 = long) */
679 16, /* bitsize */
680 FALSE, /* pc_relative */
681 0, /* bitpos */
682 complain_overflow_signed, /* complain_on_overflow */
683 _bfd_mips_elf_generic_reloc, /* special_function */
684 "R_MIPS_TLS_TPREL_HI16", /* name */
685 TRUE, /* partial_inplace */
686 0x0000ffff, /* src_mask */
687 0x0000ffff, /* dst_mask */
688 FALSE), /* pcrel_offset */
689
690 /* TLS thread pointer offset. */
691 HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */
692 0, /* rightshift */
693 2, /* size (0 = byte, 1 = short, 2 = long) */
694 16, /* bitsize */
695 FALSE, /* pc_relative */
696 0, /* bitpos */
697 complain_overflow_signed, /* complain_on_overflow */
698 _bfd_mips_elf_generic_reloc, /* special_function */
699 "R_MIPS_TLS_TPREL_LO16", /* name */
700 TRUE, /* partial_inplace */
701 0x0000ffff, /* src_mask */
702 0x0000ffff, /* dst_mask */
703 FALSE), /* pcrel_offset */
704
705 /* 32 bit relocation with no addend. */
706 HOWTO (R_MIPS_GLOB_DAT, /* type */
707 0, /* rightshift */
708 2, /* size (0 = byte, 1 = short, 2 = long) */
709 32, /* bitsize */
710 FALSE, /* pc_relative */
711 0, /* bitpos */
712 complain_overflow_dont, /* complain_on_overflow */
713 _bfd_mips_elf_generic_reloc, /* special_function */
714 "R_MIPS_GLOB_DAT", /* name */
715 FALSE, /* partial_inplace */
716 0x0, /* src_mask */
717 0xffffffff, /* dst_mask */
718 FALSE), /* pcrel_offset */
719
720 EMPTY_HOWTO (52),
721 EMPTY_HOWTO (53),
722 EMPTY_HOWTO (54),
723 EMPTY_HOWTO (55),
724 EMPTY_HOWTO (56),
725 EMPTY_HOWTO (57),
726 EMPTY_HOWTO (58),
727 EMPTY_HOWTO (59),
728
729 HOWTO (R_MIPS_PC21_S2, /* type */
730 2, /* rightshift */
731 2, /* size (0 = byte, 1 = short, 2 = long) */
732 21, /* bitsize */
733 TRUE, /* pc_relative */
734 0, /* bitpos */
735 complain_overflow_signed, /* complain_on_overflow */
736 _bfd_mips_elf_generic_reloc, /* special_function */
737 "R_MIPS_PC21_S2", /* name */
738 TRUE, /* partial_inplace */
739 0x001fffff, /* src_mask */
740 0x001fffff, /* dst_mask */
741 TRUE), /* pcrel_offset */
742
743 HOWTO (R_MIPS_PC26_S2, /* type */
744 2, /* rightshift */
745 2, /* size (0 = byte, 1 = short, 2 = long) */
746 26, /* bitsize */
747 TRUE, /* pc_relative */
748 0, /* bitpos */
749 complain_overflow_signed, /* complain_on_overflow */
750 _bfd_mips_elf_generic_reloc, /* special_function */
751 "R_MIPS_PC26_S2", /* name */
752 TRUE, /* partial_inplace */
753 0x03ffffff, /* src_mask */
754 0x03ffffff, /* dst_mask */
755 TRUE), /* pcrel_offset */
756
757 HOWTO (R_MIPS_PC18_S3, /* type */
758 3, /* rightshift */
759 2, /* size (0 = byte, 1 = short, 2 = long) */
760 18, /* bitsize */
761 TRUE, /* pc_relative */
762 0, /* bitpos */
763 complain_overflow_signed, /* complain_on_overflow */
764 _bfd_mips_elf_generic_reloc, /* special_function */
765 "R_MIPS_PC18_S3", /* name */
766 TRUE, /* partial_inplace */
767 0x0003ffff, /* src_mask */
768 0x0003ffff, /* dst_mask */
769 TRUE), /* pcrel_offset */
770
771 HOWTO (R_MIPS_PC19_S2, /* type */
772 2, /* rightshift */
773 2, /* size (0 = byte, 1 = short, 2 = long) */
774 19, /* bitsize */
775 TRUE, /* pc_relative */
776 0, /* bitpos */
777 complain_overflow_signed, /* complain_on_overflow */
778 _bfd_mips_elf_generic_reloc, /* special_function */
779 "R_MIPS_PC19_S2", /* name */
780 TRUE, /* partial_inplace */
781 0x0007ffff, /* src_mask */
782 0x0007ffff, /* dst_mask */
783 TRUE), /* pcrel_offset */
784
785 HOWTO (R_MIPS_PCHI16, /* type */
786 16, /* rightshift */
787 2, /* size (0 = byte, 1 = short, 2 = long) */
788 16, /* bitsize */
789 TRUE, /* pc_relative */
790 0, /* bitpos */
791 complain_overflow_signed, /* complain_on_overflow */
792 _bfd_mips_elf_generic_reloc, /* special_function */
793 "R_MIPS_PCHI16", /* name */
794 TRUE, /* partial_inplace */
795 0x0000ffff, /* src_mask */
796 0x0000ffff, /* dst_mask */
797 TRUE), /* pcrel_offset */
798
799 HOWTO (R_MIPS_PCLO16, /* type */
800 0, /* rightshift */
801 2, /* size (0 = byte, 1 = short, 2 = long) */
802 16, /* bitsize */
803 TRUE, /* pc_relative */
804 0, /* bitpos */
805 complain_overflow_dont, /* complain_on_overflow */
806 _bfd_mips_elf_generic_reloc, /* special_function */
807 "R_MIPS_PCLO16", /* name */
808 TRUE, /* partial_inplace */
809 0x0000ffff, /* src_mask */
810 0x0000ffff, /* dst_mask */
811 TRUE), /* pcrel_offset */
812 };
813
814 /* The reloc used for BFD_RELOC_CTOR when doing a 64 bit link. This
815 is a hack to make the linker think that we need 64 bit values. */
816 static reloc_howto_type elf_mips_ctor64_howto =
817 HOWTO (R_MIPS_64, /* type */
818 0, /* rightshift */
819 4, /* size (0 = byte, 1 = short, 2 = long) */
820 32, /* bitsize */
821 FALSE, /* pc_relative */
822 0, /* bitpos */
823 complain_overflow_signed, /* complain_on_overflow */
824 mips32_64bit_reloc, /* special_function */
825 "R_MIPS_64", /* name */
826 TRUE, /* partial_inplace */
827 0xffffffff, /* src_mask */
828 0xffffffff, /* dst_mask */
829 FALSE); /* pcrel_offset */
830
831 static reloc_howto_type elf_mips16_howto_table_rel[] =
832 {
833 /* The reloc used for the mips16 jump instruction. */
834 HOWTO (R_MIPS16_26, /* type */
835 2, /* rightshift */
836 2, /* size (0 = byte, 1 = short, 2 = long) */
837 26, /* bitsize */
838 FALSE, /* pc_relative */
839 0, /* bitpos */
840 complain_overflow_dont, /* complain_on_overflow */
841 /* This needs complex overflow
842 detection, because the upper four
843 bits must match the PC. */
844 _bfd_mips_elf_generic_reloc, /* special_function */
845 "R_MIPS16_26", /* name */
846 TRUE, /* partial_inplace */
847 0x3ffffff, /* src_mask */
848 0x3ffffff, /* dst_mask */
849 FALSE), /* pcrel_offset */
850
851 /* The reloc used for the mips16 gprel instruction. */
852 HOWTO (R_MIPS16_GPREL, /* type */
853 0, /* rightshift */
854 2, /* size (0 = byte, 1 = short, 2 = long) */
855 16, /* bitsize */
856 FALSE, /* pc_relative */
857 0, /* bitpos */
858 complain_overflow_signed, /* complain_on_overflow */
859 mips16_gprel_reloc, /* special_function */
860 "R_MIPS16_GPREL", /* name */
861 TRUE, /* partial_inplace */
862 0x0000ffff, /* src_mask */
863 0x0000ffff, /* dst_mask */
864 FALSE), /* pcrel_offset */
865
866 /* A MIPS16 reference to the global offset table. */
867 HOWTO (R_MIPS16_GOT16, /* type */
868 0, /* rightshift */
869 2, /* size (0 = byte, 1 = short, 2 = long) */
870 16, /* bitsize */
871 FALSE, /* pc_relative */
872 0, /* bitpos */
873 complain_overflow_dont, /* complain_on_overflow */
874 _bfd_mips_elf_got16_reloc, /* special_function */
875 "R_MIPS16_GOT16", /* name */
876 TRUE, /* partial_inplace */
877 0x0000ffff, /* src_mask */
878 0x0000ffff, /* dst_mask */
879 FALSE), /* pcrel_offset */
880
881 /* A MIPS16 call through the global offset table. */
882 HOWTO (R_MIPS16_CALL16, /* type */
883 0, /* rightshift */
884 2, /* size (0 = byte, 1 = short, 2 = long) */
885 16, /* bitsize */
886 FALSE, /* pc_relative */
887 0, /* bitpos */
888 complain_overflow_dont, /* complain_on_overflow */
889 _bfd_mips_elf_generic_reloc, /* special_function */
890 "R_MIPS16_CALL16", /* name */
891 TRUE, /* partial_inplace */
892 0x0000ffff, /* src_mask */
893 0x0000ffff, /* dst_mask */
894 FALSE), /* pcrel_offset */
895
896 /* MIPS16 high 16 bits of symbol value. */
897 HOWTO (R_MIPS16_HI16, /* type */
898 16, /* rightshift */
899 2, /* size (0 = byte, 1 = short, 2 = long) */
900 16, /* bitsize */
901 FALSE, /* pc_relative */
902 0, /* bitpos */
903 complain_overflow_dont, /* complain_on_overflow */
904 _bfd_mips_elf_hi16_reloc, /* special_function */
905 "R_MIPS16_HI16", /* name */
906 TRUE, /* partial_inplace */
907 0x0000ffff, /* src_mask */
908 0x0000ffff, /* dst_mask */
909 FALSE), /* pcrel_offset */
910
911 /* MIPS16 low 16 bits of symbol value. */
912 HOWTO (R_MIPS16_LO16, /* type */
913 0, /* rightshift */
914 2, /* size (0 = byte, 1 = short, 2 = long) */
915 16, /* bitsize */
916 FALSE, /* pc_relative */
917 0, /* bitpos */
918 complain_overflow_dont, /* complain_on_overflow */
919 _bfd_mips_elf_lo16_reloc, /* special_function */
920 "R_MIPS16_LO16", /* name */
921 TRUE, /* partial_inplace */
922 0x0000ffff, /* src_mask */
923 0x0000ffff, /* dst_mask */
924 FALSE), /* pcrel_offset */
925
926 /* MIPS16 TLS general dynamic variable reference. */
927 HOWTO (R_MIPS16_TLS_GD, /* type */
928 0, /* rightshift */
929 2, /* size (0 = byte, 1 = short, 2 = long) */
930 16, /* bitsize */
931 FALSE, /* pc_relative */
932 0, /* bitpos */
933 complain_overflow_signed, /* complain_on_overflow */
934 _bfd_mips_elf_generic_reloc, /* special_function */
935 "R_MIPS16_TLS_GD", /* name */
936 TRUE, /* partial_inplace */
937 0x0000ffff, /* src_mask */
938 0x0000ffff, /* dst_mask */
939 FALSE), /* pcrel_offset */
940
941 /* MIPS16 TLS local dynamic variable reference. */
942 HOWTO (R_MIPS16_TLS_LDM, /* type */
943 0, /* rightshift */
944 2, /* size (0 = byte, 1 = short, 2 = long) */
945 16, /* bitsize */
946 FALSE, /* pc_relative */
947 0, /* bitpos */
948 complain_overflow_signed, /* complain_on_overflow */
949 _bfd_mips_elf_generic_reloc, /* special_function */
950 "R_MIPS16_TLS_LDM", /* name */
951 TRUE, /* partial_inplace */
952 0x0000ffff, /* src_mask */
953 0x0000ffff, /* dst_mask */
954 FALSE), /* pcrel_offset */
955
956 /* MIPS16 TLS local dynamic offset. */
957 HOWTO (R_MIPS16_TLS_DTPREL_HI16, /* type */
958 0, /* rightshift */
959 2, /* size (0 = byte, 1 = short, 2 = long) */
960 16, /* bitsize */
961 FALSE, /* pc_relative */
962 0, /* bitpos */
963 complain_overflow_signed, /* complain_on_overflow */
964 _bfd_mips_elf_generic_reloc, /* special_function */
965 "R_MIPS16_TLS_DTPREL_HI16", /* name */
966 TRUE, /* partial_inplace */
967 0x0000ffff, /* src_mask */
968 0x0000ffff, /* dst_mask */
969 FALSE), /* pcrel_offset */
970
971 /* MIPS16 TLS local dynamic offset. */
972 HOWTO (R_MIPS16_TLS_DTPREL_LO16, /* type */
973 0, /* rightshift */
974 2, /* size (0 = byte, 1 = short, 2 = long) */
975 16, /* bitsize */
976 FALSE, /* pc_relative */
977 0, /* bitpos */
978 complain_overflow_signed, /* complain_on_overflow */
979 _bfd_mips_elf_generic_reloc, /* special_function */
980 "R_MIPS16_TLS_DTPREL_LO16", /* name */
981 TRUE, /* partial_inplace */
982 0x0000ffff, /* src_mask */
983 0x0000ffff, /* dst_mask */
984 FALSE), /* pcrel_offset */
985
986 /* MIPS16 TLS thread pointer offset. */
987 HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */
988 0, /* rightshift */
989 2, /* size (0 = byte, 1 = short, 2 = long) */
990 16, /* bitsize */
991 FALSE, /* pc_relative */
992 0, /* bitpos */
993 complain_overflow_signed, /* complain_on_overflow */
994 _bfd_mips_elf_generic_reloc, /* special_function */
995 "R_MIPS16_TLS_GOTTPREL", /* name */
996 TRUE, /* partial_inplace */
997 0x0000ffff, /* src_mask */
998 0x0000ffff, /* dst_mask */
999 FALSE), /* pcrel_offset */
1000
1001 /* MIPS16 TLS thread pointer offset. */
1002 HOWTO (R_MIPS16_TLS_TPREL_HI16, /* type */
1003 0, /* rightshift */
1004 2, /* size (0 = byte, 1 = short, 2 = long) */
1005 16, /* bitsize */
1006 FALSE, /* pc_relative */
1007 0, /* bitpos */
1008 complain_overflow_signed, /* complain_on_overflow */
1009 _bfd_mips_elf_generic_reloc, /* special_function */
1010 "R_MIPS16_TLS_TPREL_HI16", /* name */
1011 TRUE, /* partial_inplace */
1012 0x0000ffff, /* src_mask */
1013 0x0000ffff, /* dst_mask */
1014 FALSE), /* pcrel_offset */
1015
1016 /* MIPS16 TLS thread pointer offset. */
1017 HOWTO (R_MIPS16_TLS_TPREL_LO16, /* type */
1018 0, /* rightshift */
1019 2, /* size (0 = byte, 1 = short, 2 = long) */
1020 16, /* bitsize */
1021 FALSE, /* pc_relative */
1022 0, /* bitpos */
1023 complain_overflow_signed, /* complain_on_overflow */
1024 _bfd_mips_elf_generic_reloc, /* special_function */
1025 "R_MIPS16_TLS_TPREL_LO16", /* name */
1026 TRUE, /* partial_inplace */
1027 0x0000ffff, /* src_mask */
1028 0x0000ffff, /* dst_mask */
1029 FALSE), /* pcrel_offset */
1030
1031 /* MIPS16 16-bit PC-relative branch offset. */
1032 HOWTO (R_MIPS16_PC16_S1, /* type */
1033 1, /* rightshift */
1034 2, /* size (0 = byte, 1 = short, 2 = long) */
1035 16, /* bitsize */
1036 TRUE, /* pc_relative */
1037 0, /* bitpos */
1038 complain_overflow_signed, /* complain_on_overflow */
1039 _bfd_mips_elf_generic_reloc, /* special_function */
1040 "R_MIPS16_PC16_S1", /* name */
1041 TRUE, /* partial_inplace */
1042 0x0000ffff, /* src_mask */
1043 0x0000ffff, /* dst_mask */
1044 TRUE), /* pcrel_offset */
1045 };
1046
1047 static reloc_howto_type elf_micromips_howto_table_rel[] =
1048 {
1049 EMPTY_HOWTO (130),
1050 EMPTY_HOWTO (131),
1051 EMPTY_HOWTO (132),
1052
1053 /* 26 bit jump address. */
1054 HOWTO (R_MICROMIPS_26_S1, /* type */
1055 1, /* rightshift */
1056 2, /* size (0 = byte, 1 = short, 2 = long) */
1057 26, /* bitsize */
1058 FALSE, /* pc_relative */
1059 0, /* bitpos */
1060 complain_overflow_dont, /* complain_on_overflow */
1061 /* This needs complex overflow
1062 detection, because the upper four
1063 bits must match the PC. */
1064 _bfd_mips_elf_generic_reloc, /* special_function */
1065 "R_MICROMIPS_26_S1", /* name */
1066 TRUE, /* partial_inplace */
1067 0x3ffffff, /* src_mask */
1068 0x3ffffff, /* dst_mask */
1069 FALSE), /* pcrel_offset */
1070
1071 /* High 16 bits of symbol value. */
1072 HOWTO (R_MICROMIPS_HI16, /* type */
1073 16, /* rightshift */
1074 2, /* size (0 = byte, 1 = short, 2 = long) */
1075 16, /* bitsize */
1076 FALSE, /* pc_relative */
1077 0, /* bitpos */
1078 complain_overflow_dont, /* complain_on_overflow */
1079 _bfd_mips_elf_hi16_reloc, /* special_function */
1080 "R_MICROMIPS_HI16", /* name */
1081 TRUE, /* partial_inplace */
1082 0x0000ffff, /* src_mask */
1083 0x0000ffff, /* dst_mask */
1084 FALSE), /* pcrel_offset */
1085
1086 /* Low 16 bits of symbol value. */
1087 HOWTO (R_MICROMIPS_LO16, /* type */
1088 0, /* rightshift */
1089 2, /* size (0 = byte, 1 = short, 2 = long) */
1090 16, /* bitsize */
1091 FALSE, /* pc_relative */
1092 0, /* bitpos */
1093 complain_overflow_dont, /* complain_on_overflow */
1094 _bfd_mips_elf_lo16_reloc, /* special_function */
1095 "R_MICROMIPS_LO16", /* name */
1096 TRUE, /* partial_inplace */
1097 0x0000ffff, /* src_mask */
1098 0x0000ffff, /* dst_mask */
1099 FALSE), /* pcrel_offset */
1100
1101 /* GP relative reference. */
1102 HOWTO (R_MICROMIPS_GPREL16, /* type */
1103 0, /* rightshift */
1104 2, /* size (0 = byte, 1 = short, 2 = long) */
1105 16, /* bitsize */
1106 FALSE, /* pc_relative */
1107 0, /* bitpos */
1108 complain_overflow_signed, /* complain_on_overflow */
1109 _bfd_mips_elf32_gprel16_reloc, /* special_function */
1110 "R_MICROMIPS_GPREL16", /* name */
1111 TRUE, /* partial_inplace */
1112 0x0000ffff, /* src_mask */
1113 0x0000ffff, /* dst_mask */
1114 FALSE), /* pcrel_offset */
1115
1116 /* Reference to literal section. */
1117 HOWTO (R_MICROMIPS_LITERAL, /* type */
1118 0, /* rightshift */
1119 2, /* size (0 = byte, 1 = short, 2 = long) */
1120 16, /* bitsize */
1121 FALSE, /* pc_relative */
1122 0, /* bitpos */
1123 complain_overflow_signed, /* complain_on_overflow */
1124 _bfd_mips_elf32_gprel16_reloc, /* special_function */
1125 "R_MICROMIPS_LITERAL", /* name */
1126 TRUE, /* partial_inplace */
1127 0x0000ffff, /* src_mask */
1128 0x0000ffff, /* dst_mask */
1129 FALSE), /* pcrel_offset */
1130
1131 /* Reference to global offset table. */
1132 HOWTO (R_MICROMIPS_GOT16, /* type */
1133 0, /* rightshift */
1134 2, /* size (0 = byte, 1 = short, 2 = long) */
1135 16, /* bitsize */
1136 FALSE, /* pc_relative */
1137 0, /* bitpos */
1138 complain_overflow_signed, /* complain_on_overflow */
1139 _bfd_mips_elf_got16_reloc, /* special_function */
1140 "R_MICROMIPS_GOT16", /* name */
1141 TRUE, /* partial_inplace */
1142 0x0000ffff, /* src_mask */
1143 0x0000ffff, /* dst_mask */
1144 FALSE), /* pcrel_offset */
1145
1146 /* This is for microMIPS branches. */
1147 HOWTO (R_MICROMIPS_PC7_S1, /* type */
1148 1, /* rightshift */
1149 1, /* size (0 = byte, 1 = short, 2 = long) */
1150 7, /* bitsize */
1151 TRUE, /* pc_relative */
1152 0, /* bitpos */
1153 complain_overflow_signed, /* complain_on_overflow */
1154 _bfd_mips_elf_generic_reloc, /* special_function */
1155 "R_MICROMIPS_PC7_S1", /* name */
1156 TRUE, /* partial_inplace */
1157 0x0000007f, /* src_mask */
1158 0x0000007f, /* dst_mask */
1159 TRUE), /* pcrel_offset */
1160
1161 HOWTO (R_MICROMIPS_PC10_S1, /* type */
1162 1, /* rightshift */
1163 1, /* size (0 = byte, 1 = short, 2 = long) */
1164 10, /* bitsize */
1165 TRUE, /* pc_relative */
1166 0, /* bitpos */
1167 complain_overflow_signed, /* complain_on_overflow */
1168 _bfd_mips_elf_generic_reloc, /* special_function */
1169 "R_MICROMIPS_PC10_S1", /* name */
1170 TRUE, /* partial_inplace */
1171 0x000003ff, /* src_mask */
1172 0x000003ff, /* dst_mask */
1173 TRUE), /* pcrel_offset */
1174
1175 HOWTO (R_MICROMIPS_PC16_S1, /* type */
1176 1, /* rightshift */
1177 2, /* size (0 = byte, 1 = short, 2 = long) */
1178 16, /* bitsize */
1179 TRUE, /* pc_relative */
1180 0, /* bitpos */
1181 complain_overflow_signed, /* complain_on_overflow */
1182 _bfd_mips_elf_generic_reloc, /* special_function */
1183 "R_MICROMIPS_PC16_S1", /* name */
1184 TRUE, /* partial_inplace */
1185 0x0000ffff, /* src_mask */
1186 0x0000ffff, /* dst_mask */
1187 TRUE), /* pcrel_offset */
1188
1189 /* 16 bit call through global offset table. */
1190 HOWTO (R_MICROMIPS_CALL16, /* type */
1191 0, /* rightshift */
1192 2, /* size (0 = byte, 1 = short, 2 = long) */
1193 16, /* bitsize */
1194 FALSE, /* pc_relative */
1195 0, /* bitpos */
1196 complain_overflow_signed, /* complain_on_overflow */
1197 _bfd_mips_elf_generic_reloc, /* special_function */
1198 "R_MICROMIPS_CALL16", /* name */
1199 TRUE, /* partial_inplace */
1200 0x0000ffff, /* src_mask */
1201 0x0000ffff, /* dst_mask */
1202 FALSE), /* pcrel_offset */
1203
1204 EMPTY_HOWTO (143),
1205 EMPTY_HOWTO (144),
1206
1207 /* Displacement in the global offset table. */
1208 HOWTO (R_MICROMIPS_GOT_DISP, /* type */
1209 0, /* rightshift */
1210 2, /* size (0 = byte, 1 = short, 2 = long) */
1211 16, /* bitsize */
1212 FALSE, /* pc_relative */
1213 0, /* bitpos */
1214 complain_overflow_signed, /* complain_on_overflow */
1215 _bfd_mips_elf_generic_reloc, /* special_function */
1216 "R_MICROMIPS_GOT_DISP",/* name */
1217 TRUE, /* partial_inplace */
1218 0x0000ffff, /* src_mask */
1219 0x0000ffff, /* dst_mask */
1220 FALSE), /* pcrel_offset */
1221
1222 /* Displacement to page pointer in the global offset table. */
1223 HOWTO (R_MICROMIPS_GOT_PAGE, /* type */
1224 0, /* rightshift */
1225 2, /* size (0 = byte, 1 = short, 2 = long) */
1226 16, /* bitsize */
1227 FALSE, /* pc_relative */
1228 0, /* bitpos */
1229 complain_overflow_signed, /* complain_on_overflow */
1230 _bfd_mips_elf_generic_reloc, /* special_function */
1231 "R_MICROMIPS_GOT_PAGE",/* name */
1232 TRUE, /* partial_inplace */
1233 0x0000ffff, /* src_mask */
1234 0x0000ffff, /* dst_mask */
1235 FALSE), /* pcrel_offset */
1236
1237 /* Offset from page pointer in the global offset table. */
1238 HOWTO (R_MICROMIPS_GOT_OFST, /* type */
1239 0, /* rightshift */
1240 2, /* size (0 = byte, 1 = short, 2 = long) */
1241 16, /* bitsize */
1242 FALSE, /* pc_relative */
1243 0, /* bitpos */
1244 complain_overflow_signed, /* complain_on_overflow */
1245 _bfd_mips_elf_generic_reloc, /* special_function */
1246 "R_MICROMIPS_GOT_OFST",/* name */
1247 TRUE, /* partial_inplace */
1248 0x0000ffff, /* src_mask */
1249 0x0000ffff, /* dst_mask */
1250 FALSE), /* pcrel_offset */
1251
1252 /* High 16 bits of displacement in global offset table. */
1253 HOWTO (R_MICROMIPS_GOT_HI16, /* type */
1254 0, /* rightshift */
1255 2, /* size (0 = byte, 1 = short, 2 = long) */
1256 16, /* bitsize */
1257 FALSE, /* pc_relative */
1258 0, /* bitpos */
1259 complain_overflow_dont, /* complain_on_overflow */
1260 _bfd_mips_elf_generic_reloc, /* special_function */
1261 "R_MICROMIPS_GOT_HI16",/* name */
1262 TRUE, /* partial_inplace */
1263 0x0000ffff, /* src_mask */
1264 0x0000ffff, /* dst_mask */
1265 FALSE), /* pcrel_offset */
1266
1267 /* Low 16 bits of displacement in global offset table. */
1268 HOWTO (R_MICROMIPS_GOT_LO16, /* type */
1269 0, /* rightshift */
1270 2, /* size (0 = byte, 1 = short, 2 = long) */
1271 16, /* bitsize */
1272 FALSE, /* pc_relative */
1273 0, /* bitpos */
1274 complain_overflow_dont, /* complain_on_overflow */
1275 _bfd_mips_elf_generic_reloc, /* special_function */
1276 "R_MICROMIPS_GOT_LO16",/* name */
1277 TRUE, /* partial_inplace */
1278 0x0000ffff, /* src_mask */
1279 0x0000ffff, /* dst_mask */
1280 FALSE), /* pcrel_offset */
1281
1282 /* 64 bit subtraction. Used in the N32 ABI. */
1283 HOWTO (R_MICROMIPS_SUB, /* type */
1284 0, /* rightshift */
1285 4, /* size (0 = byte, 1 = short, 2 = long) */
1286 64, /* bitsize */
1287 FALSE, /* pc_relative */
1288 0, /* bitpos */
1289 complain_overflow_dont, /* complain_on_overflow */
1290 _bfd_mips_elf_generic_reloc, /* special_function */
1291 "R_MICROMIPS_SUB", /* name */
1292 TRUE, /* partial_inplace */
1293 MINUS_ONE, /* src_mask */
1294 MINUS_ONE, /* dst_mask */
1295 FALSE), /* pcrel_offset */
1296
1297 /* Get the higher value of a 64 bit addend. */
1298 HOWTO (R_MICROMIPS_HIGHER, /* type */
1299 0, /* rightshift */
1300 2, /* size (0 = byte, 1 = short, 2 = long) */
1301 16, /* bitsize */
1302 FALSE, /* pc_relative */
1303 0, /* bitpos */
1304 complain_overflow_dont, /* complain_on_overflow */
1305 _bfd_mips_elf_generic_reloc, /* special_function */
1306 "R_MICROMIPS_HIGHER", /* name */
1307 TRUE, /* partial_inplace */
1308 0x0000ffff, /* src_mask */
1309 0x0000ffff, /* dst_mask */
1310 FALSE), /* pcrel_offset */
1311
1312 /* Get the highest value of a 64 bit addend. */
1313 HOWTO (R_MICROMIPS_HIGHEST, /* type */
1314 0, /* rightshift */
1315 2, /* size (0 = byte, 1 = short, 2 = long) */
1316 16, /* bitsize */
1317 FALSE, /* pc_relative */
1318 0, /* bitpos */
1319 complain_overflow_dont, /* complain_on_overflow */
1320 _bfd_mips_elf_generic_reloc, /* special_function */
1321 "R_MICROMIPS_HIGHEST", /* name */
1322 TRUE, /* partial_inplace */
1323 0x0000ffff, /* src_mask */
1324 0x0000ffff, /* dst_mask */
1325 FALSE), /* pcrel_offset */
1326
1327 /* High 16 bits of displacement in global offset table. */
1328 HOWTO (R_MICROMIPS_CALL_HI16, /* type */
1329 0, /* rightshift */
1330 2, /* size (0 = byte, 1 = short, 2 = long) */
1331 16, /* bitsize */
1332 FALSE, /* pc_relative */
1333 0, /* bitpos */
1334 complain_overflow_dont, /* complain_on_overflow */
1335 _bfd_mips_elf_generic_reloc, /* special_function */
1336 "R_MICROMIPS_CALL_HI16",/* name */
1337 TRUE, /* partial_inplace */
1338 0x0000ffff, /* src_mask */
1339 0x0000ffff, /* dst_mask */
1340 FALSE), /* pcrel_offset */
1341
1342 /* Low 16 bits of displacement in global offset table. */
1343 HOWTO (R_MICROMIPS_CALL_LO16, /* type */
1344 0, /* rightshift */
1345 2, /* size (0 = byte, 1 = short, 2 = long) */
1346 16, /* bitsize */
1347 FALSE, /* pc_relative */
1348 0, /* bitpos */
1349 complain_overflow_dont, /* complain_on_overflow */
1350 _bfd_mips_elf_generic_reloc, /* special_function */
1351 "R_MICROMIPS_CALL_LO16",/* name */
1352 TRUE, /* partial_inplace */
1353 0x0000ffff, /* src_mask */
1354 0x0000ffff, /* dst_mask */
1355 FALSE), /* pcrel_offset */
1356
1357 /* Section displacement. */
1358 HOWTO (R_MICROMIPS_SCN_DISP, /* type */
1359 0, /* rightshift */
1360 2, /* size (0 = byte, 1 = short, 2 = long) */
1361 32, /* bitsize */
1362 FALSE, /* pc_relative */
1363 0, /* bitpos */
1364 complain_overflow_dont, /* complain_on_overflow */
1365 _bfd_mips_elf_generic_reloc, /* special_function */
1366 "R_MICROMIPS_SCN_DISP",/* name */
1367 TRUE, /* partial_inplace */
1368 0xffffffff, /* src_mask */
1369 0xffffffff, /* dst_mask */
1370 FALSE), /* pcrel_offset */
1371
1372 /* Protected jump conversion. This is an optimization hint. No
1373 relocation is required for correctness. */
1374 HOWTO (R_MICROMIPS_JALR, /* type */
1375 0, /* rightshift */
1376 2, /* size (0 = byte, 1 = short, 2 = long) */
1377 32, /* bitsize */
1378 FALSE, /* pc_relative */
1379 0, /* bitpos */
1380 complain_overflow_dont, /* complain_on_overflow */
1381 _bfd_mips_elf_generic_reloc, /* special_function */
1382 "R_MICROMIPS_JALR", /* name */
1383 FALSE, /* partial_inplace */
1384 0x00000000, /* src_mask */
1385 0x00000000, /* dst_mask */
1386 FALSE), /* pcrel_offset */
1387
1388 /* Low 16 bits of symbol value. Note that the high 16 bits of symbol values
1389 must be zero. This is used for relaxation. */
1390 HOWTO (R_MICROMIPS_HI0_LO16, /* type */
1391 0, /* rightshift */
1392 2, /* size (0 = byte, 1 = short, 2 = long) */
1393 16, /* bitsize */
1394 FALSE, /* pc_relative */
1395 0, /* bitpos */
1396 complain_overflow_dont, /* complain_on_overflow */
1397 _bfd_mips_elf_generic_reloc, /* special_function */
1398 "R_MICROMIPS_HI0_LO16",/* name */
1399 TRUE, /* partial_inplace */
1400 0x0000ffff, /* src_mask */
1401 0x0000ffff, /* dst_mask */
1402 FALSE), /* pcrel_offset */
1403
1404 EMPTY_HOWTO (158),
1405 EMPTY_HOWTO (159),
1406 EMPTY_HOWTO (160),
1407 EMPTY_HOWTO (161),
1408
1409 /* TLS general dynamic variable reference. */
1410 HOWTO (R_MICROMIPS_TLS_GD, /* type */
1411 0, /* rightshift */
1412 2, /* size (0 = byte, 1 = short, 2 = long) */
1413 16, /* bitsize */
1414 FALSE, /* pc_relative */
1415 0, /* bitpos */
1416 complain_overflow_signed, /* complain_on_overflow */
1417 _bfd_mips_elf_generic_reloc, /* special_function */
1418 "R_MICROMIPS_TLS_GD", /* name */
1419 TRUE, /* partial_inplace */
1420 0x0000ffff, /* src_mask */
1421 0x0000ffff, /* dst_mask */
1422 FALSE), /* pcrel_offset */
1423
1424 /* TLS local dynamic variable reference. */
1425 HOWTO (R_MICROMIPS_TLS_LDM, /* type */
1426 0, /* rightshift */
1427 2, /* size (0 = byte, 1 = short, 2 = long) */
1428 16, /* bitsize */
1429 FALSE, /* pc_relative */
1430 0, /* bitpos */
1431 complain_overflow_signed, /* complain_on_overflow */
1432 _bfd_mips_elf_generic_reloc, /* special_function */
1433 "R_MICROMIPS_TLS_LDM", /* name */
1434 TRUE, /* partial_inplace */
1435 0x0000ffff, /* src_mask */
1436 0x0000ffff, /* dst_mask */
1437 FALSE), /* pcrel_offset */
1438
1439 /* TLS local dynamic offset. */
1440 HOWTO (R_MICROMIPS_TLS_DTPREL_HI16, /* type */
1441 0, /* rightshift */
1442 2, /* size (0 = byte, 1 = short, 2 = long) */
1443 16, /* bitsize */
1444 FALSE, /* pc_relative */
1445 0, /* bitpos */
1446 complain_overflow_signed, /* complain_on_overflow */
1447 _bfd_mips_elf_generic_reloc, /* special_function */
1448 "R_MICROMIPS_TLS_DTPREL_HI16", /* name */
1449 TRUE, /* partial_inplace */
1450 0x0000ffff, /* src_mask */
1451 0x0000ffff, /* dst_mask */
1452 FALSE), /* pcrel_offset */
1453
1454 /* TLS local dynamic offset. */
1455 HOWTO (R_MICROMIPS_TLS_DTPREL_LO16, /* type */
1456 0, /* rightshift */
1457 2, /* size (0 = byte, 1 = short, 2 = long) */
1458 16, /* bitsize */
1459 FALSE, /* pc_relative */
1460 0, /* bitpos */
1461 complain_overflow_signed, /* complain_on_overflow */
1462 _bfd_mips_elf_generic_reloc, /* special_function */
1463 "R_MICROMIPS_TLS_DTPREL_LO16", /* name */
1464 TRUE, /* partial_inplace */
1465 0x0000ffff, /* src_mask */
1466 0x0000ffff, /* dst_mask */
1467 FALSE), /* pcrel_offset */
1468
1469 /* TLS thread pointer offset. */
1470 HOWTO (R_MICROMIPS_TLS_GOTTPREL, /* type */
1471 0, /* rightshift */
1472 2, /* size (0 = byte, 1 = short, 2 = long) */
1473 16, /* bitsize */
1474 FALSE, /* pc_relative */
1475 0, /* bitpos */
1476 complain_overflow_signed, /* complain_on_overflow */
1477 _bfd_mips_elf_generic_reloc, /* special_function */
1478 "R_MICROMIPS_TLS_GOTTPREL", /* name */
1479 TRUE, /* partial_inplace */
1480 0x0000ffff, /* src_mask */
1481 0x0000ffff, /* dst_mask */
1482 FALSE), /* pcrel_offset */
1483
1484 EMPTY_HOWTO (167),
1485 EMPTY_HOWTO (168),
1486
1487 /* TLS thread pointer offset. */
1488 HOWTO (R_MICROMIPS_TLS_TPREL_HI16, /* type */
1489 0, /* rightshift */
1490 2, /* size (0 = byte, 1 = short, 2 = long) */
1491 16, /* bitsize */
1492 FALSE, /* pc_relative */
1493 0, /* bitpos */
1494 complain_overflow_signed, /* complain_on_overflow */
1495 _bfd_mips_elf_generic_reloc, /* special_function */
1496 "R_MICROMIPS_TLS_TPREL_HI16", /* name */
1497 TRUE, /* partial_inplace */
1498 0x0000ffff, /* src_mask */
1499 0x0000ffff, /* dst_mask */
1500 FALSE), /* pcrel_offset */
1501
1502 /* TLS thread pointer offset. */
1503 HOWTO (R_MICROMIPS_TLS_TPREL_LO16, /* type */
1504 0, /* rightshift */
1505 2, /* size (0 = byte, 1 = short, 2 = long) */
1506 16, /* bitsize */
1507 FALSE, /* pc_relative */
1508 0, /* bitpos */
1509 complain_overflow_signed, /* complain_on_overflow */
1510 _bfd_mips_elf_generic_reloc, /* special_function */
1511 "R_MICROMIPS_TLS_TPREL_LO16", /* name */
1512 TRUE, /* partial_inplace */
1513 0x0000ffff, /* src_mask */
1514 0x0000ffff, /* dst_mask */
1515 FALSE), /* pcrel_offset */
1516
1517 EMPTY_HOWTO (171),
1518
1519 /* GP- and PC-relative relocations. */
1520 HOWTO (R_MICROMIPS_GPREL7_S2, /* type */
1521 2, /* rightshift */
1522 1, /* size (0 = byte, 1 = short, 2 = long) */
1523 7, /* bitsize */
1524 FALSE, /* pc_relative */
1525 0, /* bitpos */
1526 complain_overflow_signed, /* complain_on_overflow */
1527 _bfd_mips_elf32_gprel16_reloc, /* special_function */
1528 "R_MICROMIPS_GPREL7_S2", /* name */
1529 TRUE, /* partial_inplace */
1530 0x0000007f, /* src_mask */
1531 0x0000007f, /* dst_mask */
1532 FALSE), /* pcrel_offset */
1533
1534 HOWTO (R_MICROMIPS_PC23_S2, /* type */
1535 2, /* rightshift */
1536 2, /* size (0 = byte, 1 = short, 2 = long) */
1537 23, /* bitsize */
1538 TRUE, /* pc_relative */
1539 0, /* bitpos */
1540 complain_overflow_signed, /* complain_on_overflow */
1541 _bfd_mips_elf_generic_reloc, /* special_function */
1542 "R_MICROMIPS_PC23_S2", /* name */
1543 TRUE, /* partial_inplace */
1544 0x007fffff, /* src_mask */
1545 0x007fffff, /* dst_mask */
1546 TRUE), /* pcrel_offset */
1547 };
1548
1549 /* 16 bit offset for pc-relative branches. */
1550 static reloc_howto_type elf_mips_gnu_rel16_s2 =
1551 HOWTO (R_MIPS_GNU_REL16_S2, /* type */
1552 2, /* rightshift */
1553 2, /* size (0 = byte, 1 = short, 2 = long) */
1554 16, /* bitsize */
1555 TRUE, /* pc_relative */
1556 0, /* bitpos */
1557 complain_overflow_signed, /* complain_on_overflow */
1558 _bfd_mips_elf_generic_reloc, /* special_function */
1559 "R_MIPS_GNU_REL16_S2", /* name */
1560 TRUE, /* partial_inplace */
1561 0xffff, /* src_mask */
1562 0xffff, /* dst_mask */
1563 TRUE); /* pcrel_offset */
1564
1565 /* 32 bit pc-relative. This was a GNU extension used by embedded-PIC.
1566 It was co-opted by mips-linux for exception-handling data. GCC stopped
1567 using it in May, 2004, then started using it again for compact unwind
1568 tables. */
1569 static reloc_howto_type elf_mips_gnu_pcrel32 =
1570 HOWTO (R_MIPS_PC32, /* type */
1571 0, /* rightshift */
1572 2, /* size (0 = byte, 1 = short, 2 = long) */
1573 32, /* bitsize */
1574 TRUE, /* pc_relative */
1575 0, /* bitpos */
1576 complain_overflow_signed, /* complain_on_overflow */
1577 _bfd_mips_elf_generic_reloc, /* special_function */
1578 "R_MIPS_PC32", /* name */
1579 TRUE, /* partial_inplace */
1580 0xffffffff, /* src_mask */
1581 0xffffffff, /* dst_mask */
1582 TRUE); /* pcrel_offset */
1583
1584 /* GNU extension to record C++ vtable hierarchy */
1585 static reloc_howto_type elf_mips_gnu_vtinherit_howto =
1586 HOWTO (R_MIPS_GNU_VTINHERIT, /* type */
1587 0, /* rightshift */
1588 2, /* size (0 = byte, 1 = short, 2 = long) */
1589 0, /* bitsize */
1590 FALSE, /* pc_relative */
1591 0, /* bitpos */
1592 complain_overflow_dont, /* complain_on_overflow */
1593 NULL, /* special_function */
1594 "R_MIPS_GNU_VTINHERIT", /* name */
1595 FALSE, /* partial_inplace */
1596 0, /* src_mask */
1597 0, /* dst_mask */
1598 FALSE); /* pcrel_offset */
1599
1600 /* GNU extension to record C++ vtable member usage */
1601 static reloc_howto_type elf_mips_gnu_vtentry_howto =
1602 HOWTO (R_MIPS_GNU_VTENTRY, /* type */
1603 0, /* rightshift */
1604 2, /* size (0 = byte, 1 = short, 2 = long) */
1605 0, /* bitsize */
1606 FALSE, /* pc_relative */
1607 0, /* bitpos */
1608 complain_overflow_dont, /* complain_on_overflow */
1609 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
1610 "R_MIPS_GNU_VTENTRY", /* name */
1611 FALSE, /* partial_inplace */
1612 0, /* src_mask */
1613 0, /* dst_mask */
1614 FALSE); /* pcrel_offset */
1615
1616 /* Originally a VxWorks extension, but now used for other systems too. */
1617 static reloc_howto_type elf_mips_copy_howto =
1618 HOWTO (R_MIPS_COPY, /* type */
1619 0, /* rightshift */
1620 0, /* this one is variable size */
1621 0, /* bitsize */
1622 FALSE, /* pc_relative */
1623 0, /* bitpos */
1624 complain_overflow_bitfield, /* complain_on_overflow */
1625 _bfd_mips_elf_generic_reloc, /* special_function */
1626 "R_MIPS_COPY", /* name */
1627 FALSE, /* partial_inplace */
1628 0x0, /* src_mask */
1629 0x0, /* dst_mask */
1630 FALSE); /* pcrel_offset */
1631
1632 /* Originally a VxWorks extension, but now used for other systems too. */
1633 static reloc_howto_type elf_mips_jump_slot_howto =
1634 HOWTO (R_MIPS_JUMP_SLOT, /* type */
1635 0, /* rightshift */
1636 2, /* size (0 = byte, 1 = short, 2 = long) */
1637 32, /* bitsize */
1638 FALSE, /* pc_relative */
1639 0, /* bitpos */
1640 complain_overflow_bitfield, /* complain_on_overflow */
1641 _bfd_mips_elf_generic_reloc, /* special_function */
1642 "R_MIPS_JUMP_SLOT", /* name */
1643 FALSE, /* partial_inplace */
1644 0x0, /* src_mask */
1645 0x0, /* dst_mask */
1646 FALSE); /* pcrel_offset */
1647
1648 /* Used in EH tables. */
1649 static reloc_howto_type elf_mips_eh_howto =
1650 HOWTO (R_MIPS_EH, /* type */
1651 0, /* rightshift */
1652 2, /* size (0 = byte, 1 = short, 2 = long) */
1653 32, /* bitsize */
1654 FALSE, /* pc_relative */
1655 0, /* bitpos */
1656 complain_overflow_signed, /* complain_on_overflow */
1657 _bfd_mips_elf_generic_reloc, /* special_function */
1658 "R_MIPS_EH", /* name */
1659 TRUE, /* partial_inplace */
1660 0xffffffff, /* src_mask */
1661 0xffffffff, /* dst_mask */
1662 FALSE); /* pcrel_offset */
1663
1664 /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a
1665 dangerous relocation. */
1666
1667 static bfd_boolean
1668 mips_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp)
1669 {
1670 unsigned int count;
1671 asymbol **sym;
1672 unsigned int i;
1673
1674 /* If we've already figured out what GP will be, just return it. */
1675 *pgp = _bfd_get_gp_value (output_bfd);
1676 if (*pgp)
1677 return TRUE;
1678
1679 count = bfd_get_symcount (output_bfd);
1680 sym = bfd_get_outsymbols (output_bfd);
1681
1682 /* The linker script will have created a symbol named `_gp' with the
1683 appropriate value. */
1684 if (sym == NULL)
1685 i = count;
1686 else
1687 {
1688 for (i = 0; i < count; i++, sym++)
1689 {
1690 register const char *name;
1691
1692 name = bfd_asymbol_name (*sym);
1693 if (*name == '_' && strcmp (name, "_gp") == 0)
1694 {
1695 *pgp = bfd_asymbol_value (*sym);
1696 _bfd_set_gp_value (output_bfd, *pgp);
1697 break;
1698 }
1699 }
1700 }
1701
1702 if (i >= count)
1703 {
1704 /* Only get the error once. */
1705 *pgp = 4;
1706 _bfd_set_gp_value (output_bfd, *pgp);
1707 return FALSE;
1708 }
1709
1710 return TRUE;
1711 }
1712
1713 /* We have to figure out the gp value, so that we can adjust the
1714 symbol value correctly. We look up the symbol _gp in the output
1715 BFD. If we can't find it, we're stuck. We cache it in the ELF
1716 target data. We don't need to adjust the symbol value for an
1717 external symbol if we are producing relocatable output. */
1718
1719 static bfd_reloc_status_type
1720 mips_elf_final_gp (bfd *output_bfd, asymbol *symbol, bfd_boolean relocatable,
1721 char **error_message, bfd_vma *pgp)
1722 {
1723 if (bfd_is_und_section (symbol->section)
1724 && ! relocatable)
1725 {
1726 *pgp = 0;
1727 return bfd_reloc_undefined;
1728 }
1729
1730 *pgp = _bfd_get_gp_value (output_bfd);
1731 if (*pgp == 0
1732 && (! relocatable
1733 || (symbol->flags & BSF_SECTION_SYM) != 0))
1734 {
1735 if (relocatable)
1736 {
1737 /* Make up a value. */
1738 *pgp = symbol->section->output_section->vma /*+ 0x4000*/;
1739 _bfd_set_gp_value (output_bfd, *pgp);
1740 }
1741 else if (!mips_elf_assign_gp (output_bfd, pgp))
1742 {
1743 *error_message =
1744 (char *) _("GP relative relocation when _gp not defined");
1745 return bfd_reloc_dangerous;
1746 }
1747 }
1748
1749 return bfd_reloc_ok;
1750 }
1751
1752 /* Do a R_MIPS_GPREL16 relocation. This is a 16 bit value which must
1753 become the offset from the gp register. This function also handles
1754 R_MIPS_LITERAL relocations, although those can be handled more
1755 cleverly because the entries in the .lit8 and .lit4 sections can be
1756 merged. */
1757
1758 bfd_reloc_status_type
1759 _bfd_mips_elf32_gprel16_reloc (bfd *abfd, arelent *reloc_entry,
1760 asymbol *symbol, void *data,
1761 asection *input_section, bfd *output_bfd,
1762 char **error_message)
1763 {
1764 bfd_boolean relocatable;
1765 bfd_reloc_status_type ret;
1766 bfd_byte *location;
1767 bfd_vma gp;
1768
1769 /* R_MIPS_LITERAL/R_MICROMIPS_LITERAL relocations are defined for local
1770 symbols only. */
1771 if (literal_reloc_p (reloc_entry->howto->type)
1772 && output_bfd != NULL
1773 && (symbol->flags & BSF_SECTION_SYM) == 0
1774 && (symbol->flags & BSF_LOCAL) != 0)
1775 {
1776 *error_message = (char *)
1777 _("literal relocation occurs for an external symbol");
1778 return bfd_reloc_outofrange;
1779 }
1780
1781 if (output_bfd != NULL)
1782 relocatable = TRUE;
1783 else
1784 {
1785 relocatable = FALSE;
1786 output_bfd = symbol->section->output_section->owner;
1787 }
1788
1789 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message,
1790 &gp);
1791 if (ret != bfd_reloc_ok)
1792 return ret;
1793
1794 location = (bfd_byte *) data + reloc_entry->address;
1795 _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE,
1796 location);
1797 ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
1798 input_section, relocatable,
1799 data, gp);
1800 _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable,
1801 location);
1802
1803 return ret;
1804 }
1805
1806 /* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must
1807 become the offset from the gp register. */
1808
1809 static bfd_reloc_status_type
1810 mips_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
1811 void *data, asection *input_section, bfd *output_bfd,
1812 char **error_message)
1813 {
1814 bfd_boolean relocatable;
1815 bfd_reloc_status_type ret;
1816 bfd_vma gp;
1817
1818 /* R_MIPS_GPREL32 relocations are defined for local symbols only. */
1819 if (output_bfd != NULL
1820 && (symbol->flags & BSF_SECTION_SYM) == 0
1821 && (symbol->flags & BSF_LOCAL) != 0)
1822 {
1823 *error_message = (char *)
1824 _("32bits gp relative relocation occurs for an external symbol");
1825 return bfd_reloc_outofrange;
1826 }
1827
1828 if (output_bfd != NULL)
1829 relocatable = TRUE;
1830 else
1831 {
1832 relocatable = FALSE;
1833 output_bfd = symbol->section->output_section->owner;
1834 }
1835
1836 ret = mips_elf_final_gp (output_bfd, symbol, relocatable,
1837 error_message, &gp);
1838 if (ret != bfd_reloc_ok)
1839 return ret;
1840
1841 return gprel32_with_gp (abfd, symbol, reloc_entry, input_section,
1842 relocatable, data, gp);
1843 }
1844
1845 static bfd_reloc_status_type
1846 gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry,
1847 asection *input_section, bfd_boolean relocatable,
1848 void *data, bfd_vma gp)
1849 {
1850 bfd_vma relocation;
1851 bfd_vma val;
1852
1853 if (bfd_is_com_section (symbol->section))
1854 relocation = 0;
1855 else
1856 relocation = symbol->value;
1857
1858 relocation += symbol->section->output_section->vma;
1859 relocation += symbol->section->output_offset;
1860
1861 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
1862 return bfd_reloc_outofrange;
1863
1864 /* Set val to the offset into the section or symbol. */
1865 val = reloc_entry->addend;
1866
1867 if (reloc_entry->howto->partial_inplace)
1868 val += bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
1869
1870 /* Adjust val for the final section location and GP value. If we
1871 are producing relocatable output, we don't want to do this for
1872 an external symbol. */
1873 if (! relocatable
1874 || (symbol->flags & BSF_SECTION_SYM) != 0)
1875 val += relocation - gp;
1876
1877 if (reloc_entry->howto->partial_inplace)
1878 bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address);
1879 else
1880 reloc_entry->addend = val;
1881
1882 if (relocatable)
1883 reloc_entry->address += input_section->output_offset;
1884
1885 return bfd_reloc_ok;
1886 }
1887
1888 /* Handle a 64 bit reloc in a 32 bit MIPS ELF file. These are
1889 generated when addresses are 64 bits. The upper 32 bits are a simple
1890 sign extension. */
1891
1892 static bfd_reloc_status_type
1893 mips32_64bit_reloc (bfd *abfd, arelent *reloc_entry,
1894 asymbol *symbol ATTRIBUTE_UNUSED,
1895 void *data, asection *input_section,
1896 bfd *output_bfd, char **error_message)
1897 {
1898 bfd_reloc_status_type r;
1899 arelent reloc32;
1900 unsigned long val;
1901 bfd_size_type addr;
1902
1903 /* Do a normal 32 bit relocation on the lower 32 bits. */
1904 reloc32 = *reloc_entry;
1905 if (bfd_big_endian (abfd))
1906 reloc32.address += 4;
1907 reloc32.howto = &elf_mips_howto_table_rel[R_MIPS_32];
1908 r = bfd_perform_relocation (abfd, &reloc32, data, input_section,
1909 output_bfd, error_message);
1910
1911 /* Sign extend into the upper 32 bits. */
1912 val = bfd_get_32 (abfd, (bfd_byte *) data + reloc32.address);
1913 if ((val & 0x80000000) != 0)
1914 val = 0xffffffff;
1915 else
1916 val = 0;
1917 addr = reloc_entry->address;
1918 if (bfd_little_endian (abfd))
1919 addr += 4;
1920 bfd_put_32 (abfd, val, (bfd_byte *) data + addr);
1921
1922 return r;
1923 }
1924
1925 /* Handle a mips16 GP relative reloc. */
1926
1927 static bfd_reloc_status_type
1928 mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
1929 void *data, asection *input_section, bfd *output_bfd,
1930 char **error_message)
1931 {
1932 bfd_boolean relocatable;
1933 bfd_reloc_status_type ret;
1934 bfd_byte *location;
1935 bfd_vma gp;
1936
1937 /* If we're relocating, and this is an external symbol, we don't want
1938 to change anything. */
1939 if (output_bfd != NULL
1940 && (symbol->flags & BSF_SECTION_SYM) == 0
1941 && (symbol->flags & BSF_LOCAL) != 0)
1942 {
1943 reloc_entry->address += input_section->output_offset;
1944 return bfd_reloc_ok;
1945 }
1946
1947 if (output_bfd != NULL)
1948 relocatable = TRUE;
1949 else
1950 {
1951 relocatable = FALSE;
1952 output_bfd = symbol->section->output_section->owner;
1953 }
1954
1955 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message,
1956 &gp);
1957 if (ret != bfd_reloc_ok)
1958 return ret;
1959
1960 location = (bfd_byte *) data + reloc_entry->address;
1961 _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE,
1962 location);
1963 ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
1964 input_section, relocatable,
1965 data, gp);
1966 _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable,
1967 location);
1968
1969 return ret;
1970 }
1971
1972 /* A mapping from BFD reloc types to MIPS ELF reloc types. */
1973
1974 struct elf_reloc_map {
1975 bfd_reloc_code_real_type bfd_val;
1976 enum elf_mips_reloc_type elf_val;
1977 };
1978
1979 static const struct elf_reloc_map mips_reloc_map[] =
1980 {
1981 { BFD_RELOC_NONE, R_MIPS_NONE },
1982 { BFD_RELOC_16, R_MIPS_16 },
1983 { BFD_RELOC_32, R_MIPS_32 },
1984 /* There is no BFD reloc for R_MIPS_REL32. */
1985 { BFD_RELOC_64, R_MIPS_64 },
1986 { BFD_RELOC_MIPS_JMP, R_MIPS_26 },
1987 { BFD_RELOC_HI16_S, R_MIPS_HI16 },
1988 { BFD_RELOC_LO16, R_MIPS_LO16 },
1989 { BFD_RELOC_GPREL16, R_MIPS_GPREL16 },
1990 { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL },
1991 { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 },
1992 { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 },
1993 { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 },
1994 { BFD_RELOC_GPREL32, R_MIPS_GPREL32 },
1995 { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 },
1996 { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 },
1997 { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 },
1998 { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 },
1999 { BFD_RELOC_MIPS_SUB, R_MIPS_SUB },
2000 { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE },
2001 { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST },
2002 { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP },
2003 { BFD_RELOC_MIPS_JALR, R_MIPS_JALR },
2004 { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 },
2005 { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 },
2006 { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 },
2007 { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 },
2008 { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD },
2009 { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM },
2010 { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 },
2011 { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 },
2012 { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL },
2013 { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 },
2014 { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 },
2015 { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 },
2016 { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 },
2017 { BFD_RELOC_MIPS_21_PCREL_S2, R_MIPS_PC21_S2 },
2018 { BFD_RELOC_MIPS_26_PCREL_S2, R_MIPS_PC26_S2 },
2019 { BFD_RELOC_MIPS_18_PCREL_S3, R_MIPS_PC18_S3 },
2020 { BFD_RELOC_MIPS_19_PCREL_S2, R_MIPS_PC19_S2 },
2021 { BFD_RELOC_HI16_S_PCREL, R_MIPS_PCHI16 },
2022 { BFD_RELOC_LO16_PCREL, R_MIPS_PCLO16 }
2023 };
2024
2025 static const struct elf_reloc_map mips16_reloc_map[] =
2026 {
2027 { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min },
2028 { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min },
2029 { BFD_RELOC_MIPS16_GOT16, R_MIPS16_GOT16 - R_MIPS16_min },
2030 { BFD_RELOC_MIPS16_CALL16, R_MIPS16_CALL16 - R_MIPS16_min },
2031 { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min },
2032 { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min },
2033 { BFD_RELOC_MIPS16_TLS_GD, R_MIPS16_TLS_GD - R_MIPS16_min },
2034 { BFD_RELOC_MIPS16_TLS_LDM, R_MIPS16_TLS_LDM - R_MIPS16_min },
2035 { BFD_RELOC_MIPS16_TLS_DTPREL_HI16,
2036 R_MIPS16_TLS_DTPREL_HI16 - R_MIPS16_min },
2037 { BFD_RELOC_MIPS16_TLS_DTPREL_LO16,
2038 R_MIPS16_TLS_DTPREL_LO16 - R_MIPS16_min },
2039 { BFD_RELOC_MIPS16_TLS_GOTTPREL, R_MIPS16_TLS_GOTTPREL - R_MIPS16_min },
2040 { BFD_RELOC_MIPS16_TLS_TPREL_HI16, R_MIPS16_TLS_TPREL_HI16 - R_MIPS16_min },
2041 { BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min },
2042 { BFD_RELOC_MIPS16_16_PCREL_S1, R_MIPS16_PC16_S1 - R_MIPS16_min }
2043 };
2044
2045 static const struct elf_reloc_map micromips_reloc_map[] =
2046 {
2047 { BFD_RELOC_MICROMIPS_JMP, R_MICROMIPS_26_S1 - R_MICROMIPS_min },
2048 { BFD_RELOC_MICROMIPS_HI16_S, R_MICROMIPS_HI16 - R_MICROMIPS_min },
2049 { BFD_RELOC_MICROMIPS_LO16, R_MICROMIPS_LO16 - R_MICROMIPS_min },
2050 { BFD_RELOC_MICROMIPS_GPREL16, R_MICROMIPS_GPREL16 - R_MICROMIPS_min },
2051 { BFD_RELOC_MICROMIPS_LITERAL, R_MICROMIPS_LITERAL - R_MICROMIPS_min },
2052 { BFD_RELOC_MICROMIPS_GOT16, R_MICROMIPS_GOT16 - R_MICROMIPS_min },
2053 { BFD_RELOC_MICROMIPS_7_PCREL_S1, R_MICROMIPS_PC7_S1 - R_MICROMIPS_min },
2054 { BFD_RELOC_MICROMIPS_10_PCREL_S1, R_MICROMIPS_PC10_S1 - R_MICROMIPS_min },
2055 { BFD_RELOC_MICROMIPS_16_PCREL_S1, R_MICROMIPS_PC16_S1 - R_MICROMIPS_min },
2056 { BFD_RELOC_MICROMIPS_CALL16, R_MICROMIPS_CALL16 - R_MICROMIPS_min },
2057 { BFD_RELOC_MICROMIPS_GOT_DISP, R_MICROMIPS_GOT_DISP - R_MICROMIPS_min },
2058 { BFD_RELOC_MICROMIPS_GOT_PAGE, R_MICROMIPS_GOT_PAGE - R_MICROMIPS_min },
2059 { BFD_RELOC_MICROMIPS_GOT_OFST, R_MICROMIPS_GOT_OFST - R_MICROMIPS_min },
2060 { BFD_RELOC_MICROMIPS_GOT_HI16, R_MICROMIPS_GOT_HI16 - R_MICROMIPS_min },
2061 { BFD_RELOC_MICROMIPS_GOT_LO16, R_MICROMIPS_GOT_LO16 - R_MICROMIPS_min },
2062 { BFD_RELOC_MICROMIPS_SUB, R_MICROMIPS_SUB - R_MICROMIPS_min },
2063 { BFD_RELOC_MICROMIPS_HIGHER, R_MICROMIPS_HIGHER - R_MICROMIPS_min },
2064 { BFD_RELOC_MICROMIPS_HIGHEST, R_MICROMIPS_HIGHEST - R_MICROMIPS_min },
2065 { BFD_RELOC_MICROMIPS_CALL_HI16, R_MICROMIPS_CALL_HI16 - R_MICROMIPS_min },
2066 { BFD_RELOC_MICROMIPS_CALL_LO16, R_MICROMIPS_CALL_LO16 - R_MICROMIPS_min },
2067 { BFD_RELOC_MICROMIPS_SCN_DISP, R_MICROMIPS_SCN_DISP - R_MICROMIPS_min },
2068 { BFD_RELOC_MICROMIPS_JALR, R_MICROMIPS_JALR - R_MICROMIPS_min },
2069 /* There is no BFD reloc for R_MICROMIPS_HI0_LO16. */
2070 { BFD_RELOC_MICROMIPS_TLS_GD, R_MICROMIPS_TLS_GD - R_MICROMIPS_min },
2071 { BFD_RELOC_MICROMIPS_TLS_LDM, R_MICROMIPS_TLS_LDM - R_MICROMIPS_min },
2072 { BFD_RELOC_MICROMIPS_TLS_DTPREL_HI16,
2073 R_MICROMIPS_TLS_DTPREL_HI16 - R_MICROMIPS_min },
2074 { BFD_RELOC_MICROMIPS_TLS_DTPREL_LO16,
2075 R_MICROMIPS_TLS_DTPREL_LO16 - R_MICROMIPS_min },
2076 { BFD_RELOC_MICROMIPS_TLS_GOTTPREL,
2077 R_MICROMIPS_TLS_GOTTPREL - R_MICROMIPS_min },
2078 { BFD_RELOC_MICROMIPS_TLS_TPREL_HI16,
2079 R_MICROMIPS_TLS_TPREL_HI16 - R_MICROMIPS_min },
2080 { BFD_RELOC_MICROMIPS_TLS_TPREL_LO16,
2081 R_MICROMIPS_TLS_TPREL_LO16 - R_MICROMIPS_min },
2082 /* There is no BFD reloc for R_MICROMIPS_GPREL7_S2. */
2083 /* There is no BFD reloc for R_MICROMIPS_PC23_S2. */
2084 };
2085
2086 /* Given a BFD reloc type, return a howto structure. */
2087
2088 static reloc_howto_type *
2089 bfd_elf32_bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
2090 {
2091 unsigned int i;
2092 reloc_howto_type *howto_table = elf_mips_howto_table_rel;
2093 reloc_howto_type *howto16_table = elf_mips16_howto_table_rel;
2094 reloc_howto_type *howto_micromips_table = elf_micromips_howto_table_rel;
2095
2096 for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map);
2097 i++)
2098 {
2099 if (mips_reloc_map[i].bfd_val == code)
2100 return &howto_table[(int) mips_reloc_map[i].elf_val];
2101 }
2102
2103 for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map);
2104 i++)
2105 {
2106 if (mips16_reloc_map[i].bfd_val == code)
2107 return &howto16_table[(int) mips16_reloc_map[i].elf_val];
2108 }
2109
2110 for (i = 0; i < sizeof (micromips_reloc_map) / sizeof (struct elf_reloc_map);
2111 i++)
2112 {
2113 if (micromips_reloc_map[i].bfd_val == code)
2114 return &howto_micromips_table[(int) micromips_reloc_map[i].elf_val];
2115 }
2116
2117 switch (code)
2118 {
2119 default:
2120 bfd_set_error (bfd_error_bad_value);
2121 return NULL;
2122
2123 case BFD_RELOC_CTOR:
2124 /* We need to handle BFD_RELOC_CTOR specially.
2125 Select the right relocation (R_MIPS_32 or R_MIPS_64) based on the
2126 size of addresses of the ABI. */
2127 if ((elf_elfheader (abfd)->e_flags & (E_MIPS_ABI_O64
2128 | E_MIPS_ABI_EABI64)) != 0)
2129 return &elf_mips_ctor64_howto;
2130 else
2131 return &howto_table[(int) R_MIPS_32];
2132
2133 case BFD_RELOC_VTABLE_INHERIT:
2134 return &elf_mips_gnu_vtinherit_howto;
2135 case BFD_RELOC_VTABLE_ENTRY:
2136 return &elf_mips_gnu_vtentry_howto;
2137 case BFD_RELOC_32_PCREL:
2138 return &elf_mips_gnu_pcrel32;
2139 case BFD_RELOC_MIPS_COPY:
2140 return &elf_mips_copy_howto;
2141 case BFD_RELOC_MIPS_JUMP_SLOT:
2142 return &elf_mips_jump_slot_howto;
2143 case BFD_RELOC_MIPS_EH:
2144 return &elf_mips_eh_howto;
2145 }
2146 }
2147
2148 static reloc_howto_type *
2149 bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
2150 const char *r_name)
2151 {
2152 unsigned int i;
2153
2154 for (i = 0;
2155 i < (sizeof (elf_mips_howto_table_rel)
2156 / sizeof (elf_mips_howto_table_rel[0]));
2157 i++)
2158 if (elf_mips_howto_table_rel[i].name != NULL
2159 && strcasecmp (elf_mips_howto_table_rel[i].name, r_name) == 0)
2160 return &elf_mips_howto_table_rel[i];
2161
2162 for (i = 0;
2163 i < (sizeof (elf_mips16_howto_table_rel)
2164 / sizeof (elf_mips16_howto_table_rel[0]));
2165 i++)
2166 if (elf_mips16_howto_table_rel[i].name != NULL
2167 && strcasecmp (elf_mips16_howto_table_rel[i].name, r_name) == 0)
2168 return &elf_mips16_howto_table_rel[i];
2169
2170 for (i = 0;
2171 i < (sizeof (elf_micromips_howto_table_rel)
2172 / sizeof (elf_micromips_howto_table_rel[0]));
2173 i++)
2174 if (elf_micromips_howto_table_rel[i].name != NULL
2175 && strcasecmp (elf_micromips_howto_table_rel[i].name, r_name) == 0)
2176 return &elf_micromips_howto_table_rel[i];
2177
2178 if (strcasecmp (elf_mips_gnu_pcrel32.name, r_name) == 0)
2179 return &elf_mips_gnu_pcrel32;
2180 if (strcasecmp (elf_mips_gnu_rel16_s2.name, r_name) == 0)
2181 return &elf_mips_gnu_rel16_s2;
2182 if (strcasecmp (elf_mips_gnu_vtinherit_howto.name, r_name) == 0)
2183 return &elf_mips_gnu_vtinherit_howto;
2184 if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0)
2185 return &elf_mips_gnu_vtentry_howto;
2186 if (strcasecmp (elf_mips_copy_howto.name, r_name) == 0)
2187 return &elf_mips_copy_howto;
2188 if (strcasecmp (elf_mips_jump_slot_howto.name, r_name) == 0)
2189 return &elf_mips_jump_slot_howto;
2190 if (strcasecmp (elf_mips_eh_howto.name, r_name) == 0)
2191 return &elf_mips_eh_howto;
2192
2193 return NULL;
2194 }
2195
2196 /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */
2197
2198 static reloc_howto_type *
2199 mips_elf32_rtype_to_howto (bfd *abfd,
2200 unsigned int r_type,
2201 bfd_boolean rela_p ATTRIBUTE_UNUSED)
2202 {
2203 reloc_howto_type *howto = NULL;
2204
2205 switch (r_type)
2206 {
2207 case R_MIPS_GNU_VTINHERIT:
2208 return &elf_mips_gnu_vtinherit_howto;
2209 case R_MIPS_GNU_VTENTRY:
2210 return &elf_mips_gnu_vtentry_howto;
2211 case R_MIPS_GNU_REL16_S2:
2212 return &elf_mips_gnu_rel16_s2;
2213 case R_MIPS_PC32:
2214 return &elf_mips_gnu_pcrel32;
2215 case R_MIPS_COPY:
2216 return &elf_mips_copy_howto;
2217 case R_MIPS_JUMP_SLOT:
2218 return &elf_mips_jump_slot_howto;
2219 case R_MIPS_EH:
2220 return &elf_mips_eh_howto;
2221 default:
2222 if (r_type >= R_MICROMIPS_min && r_type < R_MICROMIPS_max)
2223 howto = &elf_micromips_howto_table_rel[r_type - R_MICROMIPS_min];
2224 if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max)
2225 howto = &elf_mips16_howto_table_rel[r_type - R_MIPS16_min];
2226 if (r_type < R_MIPS_max)
2227 howto = &elf_mips_howto_table_rel[r_type];
2228 if (howto != NULL && howto->name != NULL)
2229 return howto;
2230
2231 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
2232 abfd, r_type);
2233 bfd_set_error (bfd_error_bad_value);
2234 return NULL;
2235 }
2236 }
2237
2238 /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */
2239
2240 static bfd_boolean
2241 mips_info_to_howto_rel (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
2242 {
2243 unsigned int r_type;
2244
2245 r_type = ELF32_R_TYPE (dst->r_info);
2246 cache_ptr->howto = mips_elf32_rtype_to_howto (abfd, r_type, FALSE);
2247
2248 if (cache_ptr->howto == NULL)
2249 return FALSE;
2250
2251 /* The addend for a GPREL16 or LITERAL relocation comes from the GP
2252 value for the object file. We get the addend now, rather than
2253 when we do the relocation, because the symbol manipulations done
2254 by the linker may cause us to lose track of the input BFD. */
2255 if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0
2256 && (gprel16_reloc_p (r_type) || literal_reloc_p (r_type)))
2257 cache_ptr->addend = elf_gp (abfd);
2258
2259 return TRUE;
2260 }
2261
2262 /* Given a MIPS Elf_Internal_Rela, fill in an arelent structure. */
2263
2264 static bfd_boolean
2265 mips_info_to_howto_rela (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
2266 {
2267 return mips_info_to_howto_rel (abfd, cache_ptr, dst);
2268
2269 /* If we ever need to do any extra processing with dst->r_addend
2270 (the field omitted in an Elf_Internal_Rel) we can do it here. */
2271 }
2272 \f
2273 /* Determine whether a symbol is global for the purposes of splitting
2274 the symbol table into global symbols and local symbols. At least
2275 on Irix 5, this split must be between section symbols and all other
2276 symbols. On most ELF targets the split is between static symbols
2277 and externally visible symbols. */
2278
2279 static bfd_boolean
2280 mips_elf_sym_is_global (bfd *abfd ATTRIBUTE_UNUSED, asymbol *sym)
2281 {
2282 if (SGI_COMPAT (abfd))
2283 return (sym->flags & BSF_SECTION_SYM) == 0;
2284 else
2285 return ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0
2286 || bfd_is_und_section (bfd_asymbol_section (sym))
2287 || bfd_is_com_section (bfd_asymbol_section (sym)));
2288 }
2289
2290 /* Likewise, return TRUE if the symbol table split overall must be
2291 between section symbols and all other symbols. */
2292 static bfd_boolean
2293 mips_elf32_elfsym_local_is_section (bfd *abfd)
2294 {
2295 return SGI_COMPAT (abfd);
2296 }
2297 \f
2298 /* Set the right machine number for a MIPS ELF file. */
2299
2300 static bfd_boolean
2301 mips_elf32_object_p (bfd *abfd)
2302 {
2303 unsigned long mach;
2304
2305 if (ABI_N32_P (abfd))
2306 return FALSE;
2307
2308 /* Irix 5 and 6 are broken. Object file symbol tables are not always
2309 sorted correctly such that local symbols precede global symbols,
2310 and the sh_info field in the symbol table is not always right. */
2311 if (SGI_COMPAT (abfd))
2312 elf_bad_symtab (abfd) = TRUE;
2313
2314 mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags);
2315 bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach);
2316 return TRUE;
2317 }
2318 \f
2319 /* MIPS ELF local labels start with '$', not 'L'. */
2320
2321 static bfd_boolean
2322 mips_elf_is_local_label_name (bfd *abfd, const char *name)
2323 {
2324 if (name[0] == '$')
2325 return TRUE;
2326
2327 /* On Irix 6, the labels go back to starting with '.', so we accept
2328 the generic ELF local label syntax as well. */
2329 return _bfd_elf_is_local_label_name (abfd, name);
2330 }
2331 \f
2332 /* Support for core dump NOTE sections. */
2333 static bfd_boolean
2334 elf32_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
2335 {
2336 int offset;
2337 unsigned int size;
2338
2339 switch (note->descsz)
2340 {
2341 default:
2342 return FALSE;
2343
2344 case 256: /* Linux/MIPS */
2345 /* pr_cursig */
2346 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
2347
2348 /* pr_pid */
2349 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
2350
2351 /* pr_reg */
2352 offset = 72;
2353 size = 180;
2354
2355 break;
2356 }
2357
2358 /* Make a ".reg/999" section. */
2359 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
2360 size, note->descpos + offset);
2361 }
2362
2363 static bfd_boolean
2364 elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
2365 {
2366 switch (note->descsz)
2367 {
2368 default:
2369 return FALSE;
2370
2371 case 128: /* Linux/MIPS elf_prpsinfo */
2372 elf_tdata (abfd)->core->pid
2373 = bfd_get_32 (abfd, note->descdata + 16);
2374 elf_tdata (abfd)->core->program
2375 = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
2376 elf_tdata (abfd)->core->command
2377 = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
2378 }
2379
2380 /* Note that for some reason, a spurious space is tacked
2381 onto the end of the args in some (at least one anyway)
2382 implementations, so strip it off if it exists. */
2383
2384 {
2385 char *command = elf_tdata (abfd)->core->command;
2386 int n = strlen (command);
2387
2388 if (0 < n && command[n - 1] == ' ')
2389 command[n - 1] = '\0';
2390 }
2391
2392 return TRUE;
2393 }
2394
2395 /* Write Linux core PRSTATUS note into core file. */
2396
2397 static char *
2398 elf32_mips_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type,
2399 ...)
2400 {
2401 switch (note_type)
2402 {
2403 default:
2404 return NULL;
2405
2406 case NT_PRPSINFO:
2407 BFD_FAIL ();
2408 return NULL;
2409
2410 case NT_PRSTATUS:
2411 {
2412 char data[256];
2413 va_list ap;
2414 long pid;
2415 int cursig;
2416 const void *greg;
2417
2418 va_start (ap, note_type);
2419 memset (data, 0, 72);
2420 pid = va_arg (ap, long);
2421 bfd_put_32 (abfd, pid, data + 24);
2422 cursig = va_arg (ap, int);
2423 bfd_put_16 (abfd, cursig, data + 12);
2424 greg = va_arg (ap, const void *);
2425 memcpy (data + 72, greg, 180);
2426 memset (data + 252, 0, 4);
2427 va_end (ap);
2428 return elfcore_write_note (abfd, buf, bufsiz,
2429 "CORE", note_type, data, sizeof (data));
2430 }
2431 }
2432 }
2433
2434 /* Remove the magic _gp_disp symbol from the symbol tables. */
2435
2436 static bfd_boolean
2437 elf32_mips_fixup_symbol (struct bfd_link_info *info,
2438 struct elf_link_hash_entry *h)
2439 {
2440 if (strcmp (h->root.root.string, "_gp_disp") == 0)
2441 _bfd_elf_link_hash_hide_symbol (info, h, TRUE);
2442 return TRUE;
2443 }
2444 \f
2445 /* Depending on the target vector we generate some version of Irix
2446 executables or "normal" MIPS ELF ABI executables. */
2447 static irix_compat_t
2448 elf32_mips_irix_compat (bfd *abfd)
2449 {
2450 if ((abfd->xvec == &mips_elf32_be_vec)
2451 || (abfd->xvec == &mips_elf32_le_vec))
2452 return ict_irix5;
2453 else
2454 return ict_none;
2455 }
2456 \f
2457 /* ECOFF swapping routines. These are used when dealing with the
2458 .mdebug section, which is in the ECOFF debugging format. */
2459 static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
2460 /* Symbol table magic number. */
2461 magicSym,
2462 /* Alignment of debugging information. E.g., 4. */
2463 4,
2464 /* Sizes of external symbolic information. */
2465 sizeof (struct hdr_ext),
2466 sizeof (struct dnr_ext),
2467 sizeof (struct pdr_ext),
2468 sizeof (struct sym_ext),
2469 sizeof (struct opt_ext),
2470 sizeof (struct fdr_ext),
2471 sizeof (struct rfd_ext),
2472 sizeof (struct ext_ext),
2473 /* Functions to swap in external symbolic data. */
2474 ecoff_swap_hdr_in,
2475 ecoff_swap_dnr_in,
2476 ecoff_swap_pdr_in,
2477 ecoff_swap_sym_in,
2478 ecoff_swap_opt_in,
2479 ecoff_swap_fdr_in,
2480 ecoff_swap_rfd_in,
2481 ecoff_swap_ext_in,
2482 _bfd_ecoff_swap_tir_in,
2483 _bfd_ecoff_swap_rndx_in,
2484 /* Functions to swap out external symbolic data. */
2485 ecoff_swap_hdr_out,
2486 ecoff_swap_dnr_out,
2487 ecoff_swap_pdr_out,
2488 ecoff_swap_sym_out,
2489 ecoff_swap_opt_out,
2490 ecoff_swap_fdr_out,
2491 ecoff_swap_rfd_out,
2492 ecoff_swap_ext_out,
2493 _bfd_ecoff_swap_tir_out,
2494 _bfd_ecoff_swap_rndx_out,
2495 /* Function to read in symbolic data. */
2496 _bfd_mips_elf_read_ecoff_info
2497 };
2498 \f
2499 #define ELF_ARCH bfd_arch_mips
2500 #define ELF_TARGET_ID MIPS_ELF_DATA
2501 #define ELF_MACHINE_CODE EM_MIPS
2502
2503 #define elf_backend_collect TRUE
2504 #define elf_backend_type_change_ok TRUE
2505 #define elf_backend_can_gc_sections TRUE
2506 #define elf_backend_gc_mark_extra_sections \
2507 _bfd_mips_elf_gc_mark_extra_sections
2508 #define elf_info_to_howto mips_info_to_howto_rela
2509 #define elf_info_to_howto_rel mips_info_to_howto_rel
2510 #define elf_backend_sym_is_global mips_elf_sym_is_global
2511 #define elf_backend_object_p mips_elf32_object_p
2512 #define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing
2513 #define elf_backend_section_processing _bfd_mips_elf_section_processing
2514 #define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr
2515 #define elf_backend_fake_sections _bfd_mips_elf_fake_sections
2516 #define elf_backend_section_from_bfd_section \
2517 _bfd_mips_elf_section_from_bfd_section
2518 #define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook
2519 #define elf_backend_link_output_symbol_hook \
2520 _bfd_mips_elf_link_output_symbol_hook
2521 #define elf_backend_create_dynamic_sections \
2522 _bfd_mips_elf_create_dynamic_sections
2523 #define elf_backend_check_relocs _bfd_mips_elf_check_relocs
2524 #define elf_backend_merge_symbol_attribute \
2525 _bfd_mips_elf_merge_symbol_attribute
2526 #define elf_backend_get_target_dtag _bfd_mips_elf_get_target_dtag
2527 #define elf_backend_adjust_dynamic_symbol \
2528 _bfd_mips_elf_adjust_dynamic_symbol
2529 #define elf_backend_always_size_sections \
2530 _bfd_mips_elf_always_size_sections
2531 #define elf_backend_size_dynamic_sections \
2532 _bfd_mips_elf_size_dynamic_sections
2533 #define elf_backend_init_index_section _bfd_elf_init_1_index_section
2534 #define elf_backend_relocate_section _bfd_mips_elf_relocate_section
2535 #define elf_backend_finish_dynamic_symbol \
2536 _bfd_mips_elf_finish_dynamic_symbol
2537 #define elf_backend_finish_dynamic_sections \
2538 _bfd_mips_elf_finish_dynamic_sections
2539 #define elf_backend_final_write_processing \
2540 _bfd_mips_elf_final_write_processing
2541 #define elf_backend_additional_program_headers \
2542 _bfd_mips_elf_additional_program_headers
2543 #define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map
2544 #define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook
2545 #define elf_backend_copy_indirect_symbol \
2546 _bfd_mips_elf_copy_indirect_symbol
2547 #define elf_backend_hide_symbol _bfd_mips_elf_hide_symbol
2548 #define elf_backend_fixup_symbol elf32_mips_fixup_symbol
2549 #define elf_backend_grok_prstatus elf32_mips_grok_prstatus
2550 #define elf_backend_grok_psinfo elf32_mips_grok_psinfo
2551 #define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap
2552
2553 #define elf_backend_got_header_size (4 * MIPS_RESERVED_GOTNO)
2554 #define elf_backend_want_dynrelro 1
2555 #define elf_backend_may_use_rel_p 1
2556 #define elf_backend_may_use_rela_p 0
2557 #define elf_backend_default_use_rela_p 0
2558 #define elf_backend_sign_extend_vma TRUE
2559 #define elf_backend_plt_readonly 1
2560
2561 #define elf_backend_discard_info _bfd_mips_elf_discard_info
2562 #define elf_backend_ignore_discarded_relocs \
2563 _bfd_mips_elf_ignore_discarded_relocs
2564 #define elf_backend_write_section _bfd_mips_elf_write_section
2565 #define elf_backend_elfsym_local_is_section \
2566 mips_elf32_elfsym_local_is_section
2567 #define elf_backend_mips_irix_compat elf32_mips_irix_compat
2568 #define elf_backend_mips_rtype_to_howto mips_elf32_rtype_to_howto
2569 #define elf_backend_sort_relocs_p _bfd_mips_elf_sort_relocs_p
2570
2571 #define bfd_elf32_bfd_is_local_label_name \
2572 mips_elf_is_local_label_name
2573 #define bfd_elf32_bfd_is_target_special_symbol \
2574 _bfd_mips_elf_is_target_special_symbol
2575 #define bfd_elf32_get_synthetic_symtab _bfd_mips_elf_get_synthetic_symtab
2576 #define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line
2577 #define bfd_elf32_find_inliner_info _bfd_mips_elf_find_inliner_info
2578 #define bfd_elf32_new_section_hook _bfd_mips_elf_new_section_hook
2579 #define bfd_elf32_set_section_contents _bfd_mips_elf_set_section_contents
2580 #define bfd_elf32_bfd_get_relocated_section_contents \
2581 _bfd_elf_mips_get_relocated_section_contents
2582 #define bfd_elf32_bfd_link_hash_table_create \
2583 _bfd_mips_elf_link_hash_table_create
2584 #define bfd_elf32_bfd_final_link _bfd_mips_elf_final_link
2585 #define bfd_elf32_bfd_merge_private_bfd_data \
2586 _bfd_mips_elf_merge_private_bfd_data
2587 #define bfd_elf32_bfd_set_private_flags _bfd_mips_elf_set_private_flags
2588 #define bfd_elf32_bfd_print_private_bfd_data \
2589 _bfd_mips_elf_print_private_bfd_data
2590 #define bfd_elf32_bfd_relax_section _bfd_mips_elf_relax_section
2591 #define bfd_elf32_mkobject _bfd_mips_elf_mkobject
2592
2593 /* Support for SGI-ish mips targets. */
2594 #define TARGET_LITTLE_SYM mips_elf32_le_vec
2595 #define TARGET_LITTLE_NAME "elf32-littlemips"
2596 #define TARGET_BIG_SYM mips_elf32_be_vec
2597 #define TARGET_BIG_NAME "elf32-bigmips"
2598
2599 /* The SVR4 MIPS ABI says that this should be 0x10000, but Irix 5 uses
2600 a value of 0x1000, and we are compatible. */
2601 #define ELF_MAXPAGESIZE 0x1000
2602 #define ELF_COMMONPAGESIZE 0x1000
2603
2604 #include "elf32-target.h"
2605
2606 /* Support for traditional mips targets. */
2607 #undef TARGET_LITTLE_SYM
2608 #undef TARGET_LITTLE_NAME
2609 #undef TARGET_BIG_SYM
2610 #undef TARGET_BIG_NAME
2611
2612 #undef ELF_MAXPAGESIZE
2613 #undef ELF_COMMONPAGESIZE
2614
2615 #define TARGET_LITTLE_SYM mips_elf32_trad_le_vec
2616 #define TARGET_LITTLE_NAME "elf32-tradlittlemips"
2617 #define TARGET_BIG_SYM mips_elf32_trad_be_vec
2618 #define TARGET_BIG_NAME "elf32-tradbigmips"
2619
2620 /* The MIPS ABI says at Page 5-1:
2621 Virtual addresses and file offsets for MIPS segments are congruent
2622 modulo 64 KByte (0x10000) or larger powers of 2. Because 64 KBytes
2623 is the maximum page size, the files are suitable for paging
2624 regardless of physical page size. */
2625 #define ELF_MAXPAGESIZE 0x10000
2626 #define ELF_COMMONPAGESIZE 0x1000
2627 #define elf32_bed elf32_tradbed
2628
2629 #undef elf_backend_write_core_note
2630 #define elf_backend_write_core_note elf32_mips_write_core_note
2631
2632 /* Include the target file again for this target. */
2633 #include "elf32-target.h"
2634
2635 /* FreeBSD support. */
2636
2637 #undef TARGET_LITTLE_SYM
2638 #undef TARGET_LITTLE_NAME
2639 #undef TARGET_BIG_SYM
2640 #undef TARGET_BIG_NAME
2641
2642 #define TARGET_LITTLE_SYM mips_elf32_tradfbsd_le_vec
2643 #define TARGET_LITTLE_NAME "elf32-tradlittlemips-freebsd"
2644 #define TARGET_BIG_SYM mips_elf32_tradfbsd_be_vec
2645 #define TARGET_BIG_NAME "elf32-tradbigmips-freebsd"
2646
2647 #undef ELF_OSABI
2648 #define ELF_OSABI ELFOSABI_FREEBSD
2649
2650 #undef elf32_bed
2651 #define elf32_bed elf32_fbsd_tradbed
2652
2653 #undef elf_backend_write_core_note
2654
2655 #include "elf32-target.h"
2656 /* Implement elf_backend_final_write_processing for VxWorks. */
2657
2658 static bfd_boolean
2659 mips_vxworks_final_write_processing (bfd *abfd)
2660 {
2661 _bfd_mips_final_write_processing (abfd);
2662 return elf_vxworks_final_write_processing (abfd);
2663 }
2664
2665 #undef TARGET_LITTLE_SYM
2666 #undef TARGET_LITTLE_NAME
2667 #undef TARGET_BIG_SYM
2668 #undef TARGET_BIG_NAME
2669
2670 #undef ELF_MAXPAGESIZE
2671 #undef ELF_COMMONPAGESIZE
2672
2673 #define TARGET_LITTLE_SYM mips_elf32_vxworks_le_vec
2674 #define TARGET_LITTLE_NAME "elf32-littlemips-vxworks"
2675 #define TARGET_BIG_SYM mips_elf32_vxworks_be_vec
2676 #define TARGET_BIG_NAME "elf32-bigmips-vxworks"
2677 #undef ELF_OSABI
2678
2679 #undef elf32_bed
2680 #define elf32_bed elf32_mips_vxworks_bed
2681
2682 #define ELF_MAXPAGESIZE 0x1000
2683 #define ELF_COMMONPAGESIZE 0x1000
2684
2685 #undef ELF_TARGET_OS
2686 #define ELF_TARGET_OS is_vxworks
2687
2688 #undef elf_backend_want_got_plt
2689 #define elf_backend_want_got_plt 1
2690 #undef elf_backend_want_plt_sym
2691 #define elf_backend_want_plt_sym 1
2692 #undef elf_backend_may_use_rel_p
2693 #define elf_backend_may_use_rel_p 0
2694 #undef elf_backend_may_use_rela_p
2695 #define elf_backend_may_use_rela_p 1
2696 #undef elf_backend_default_use_rela_p
2697 #define elf_backend_default_use_rela_p 1
2698 #undef elf_backend_got_header_size
2699 #define elf_backend_got_header_size (4 * 3)
2700 #undef elf_backend_dtrel_excludes_plt
2701 #define elf_backend_dtrel_excludes_plt 1
2702
2703 #undef elf_backend_finish_dynamic_symbol
2704 #define elf_backend_finish_dynamic_symbol \
2705 _bfd_mips_vxworks_finish_dynamic_symbol
2706 #undef bfd_elf32_bfd_link_hash_table_create
2707 #define bfd_elf32_bfd_link_hash_table_create \
2708 _bfd_mips_vxworks_link_hash_table_create
2709 #undef elf_backend_add_symbol_hook
2710 #define elf_backend_add_symbol_hook \
2711 elf_vxworks_add_symbol_hook
2712 #undef elf_backend_link_output_symbol_hook
2713 #define elf_backend_link_output_symbol_hook \
2714 elf_vxworks_link_output_symbol_hook
2715 #undef elf_backend_emit_relocs
2716 #define elf_backend_emit_relocs \
2717 elf_vxworks_emit_relocs
2718 #undef elf_backend_final_write_processing
2719 #define elf_backend_final_write_processing \
2720 mips_vxworks_final_write_processing
2721
2722 #undef elf_backend_additional_program_headers
2723 #undef elf_backend_modify_segment_map
2724 #undef elf_backend_symbol_processing
2725 /* NOTE: elf_backend_rela_normal is not defined for MIPS. */
2726
2727 #undef bfd_elf32_get_synthetic_symtab
2728
2729 #include "elf32-target.h"
The GNU Binutils are a collection of binary tools.