1 /* MIPS-specific support for 32-bit ELF
2 Copyright (C) 1993-2021 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
42 /* Get the ECOFF swapping routines. */
43 #include "coff/sym.h"
44 #include "coff/symconst.h"
45 #include "coff/internal.h"
46 #include "coff/ecoff.h"
47 #include "coff/mips.h"
48 #define ECOFF_SIGNED_32
49 #include "ecoffswap.h"
50
51 static bool mips_elf_assign_gp
52 (bfd *, bfd_vma *);
53 static bfd_reloc_status_type mips_elf_final_gp
54 (bfd *, asymbol *, bool, char **, bfd_vma *);
55 static bfd_reloc_status_type mips_elf_gprel16_reloc
56 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
57 static bfd_reloc_status_type mips_elf_literal_reloc
58 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
59 static bfd_reloc_status_type mips_elf_gprel32_reloc
60 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
61 static bfd_reloc_status_type gprel32_with_gp
62 (bfd *, asymbol *, arelent *, asection *, bool, void *, bfd_vma);
63 static bfd_reloc_status_type mips_elf_shift6_reloc
64 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
65 static bfd_reloc_status_type mips16_gprel_reloc
66 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
67 static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
68 (bfd *, bfd_reloc_code_real_type);
69 static bool mips_info_to_howto_rel
70 (bfd *, arelent *, Elf_Internal_Rela *);
71 static bool mips_info_to_howto_rela
72 (bfd *, arelent *, Elf_Internal_Rela *);
73 static bool mips_elf_sym_is_global
74 (bfd *, asymbol *);
75 static bool mips_elf_n32_elfsym_local_is_section
76 (bfd *);
77 static bool mips_elf_n32_object_p
78 (bfd *);
79 static bool elf32_mips_grok_prstatus
80 (bfd *, Elf_Internal_Note *);
81 static bool elf32_mips_grok_psinfo
82 (bfd *, Elf_Internal_Note *);
83 static bool elf_n32_mips_grok_freebsd_prstatus
84 (bfd *, Elf_Internal_Note *);
85 static irix_compat_t elf_n32_mips_irix_compat
86 (bfd *);
87 static bool mips_elf_n32_mkobject
88 (bfd *);
89
90 extern const bfd_target mips_elf32_n_be_vec;
91 extern const bfd_target mips_elf32_n_le_vec;
92
93 /* Nonzero if ABFD is using the N32 ABI. */
94 #define ABI_N32_P(abfd) \
95 ((elf_elfheader (abfd)->e_flags & EF_MIPS_ABI2) != 0)
96
97 /* Whether we are trying to be compatible with IRIX at all. */
98 #define SGI_COMPAT(abfd) \
99 (elf_n32_mips_irix_compat (abfd) != ict_none)
100
101 /* The number of local .got entries we reserve. */
102 #define MIPS_RESERVED_GOTNO (2)
103
104 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value
105 from smaller values. Start with zero, widen, *then* decrement. */
106 #define MINUS_ONE (((bfd_vma)0) - 1)
107
108 /* The relocation table used for SHT_REL sections. */
109
110 static reloc_howto_type elf_mips_howto_table_rel[] =
111 {
112 /* No relocation. */
113 HOWTO (R_MIPS_NONE, /* type */
114 0, /* rightshift */
115 3, /* size (0 = byte, 1 = short, 2 = long) */
116 0, /* bitsize */
117 false, /* pc_relative */
118 0, /* bitpos */
119 complain_overflow_dont, /* complain_on_overflow */
120 _bfd_mips_elf_generic_reloc, /* special_function */
121 "R_MIPS_NONE", /* name */
122 false, /* partial_inplace */
123 0, /* src_mask */
124 0, /* dst_mask */
125 false), /* pcrel_offset */
126
127 /* 16 bit relocation. */
128 HOWTO (R_MIPS_16, /* type */
129 0, /* rightshift */
130 2, /* size (0 = byte, 1 = short, 2 = long) */
131 16, /* bitsize */
132 false, /* pc_relative */
133 0, /* bitpos */
134 complain_overflow_signed, /* complain_on_overflow */
135 _bfd_mips_elf_generic_reloc, /* special_function */
136 "R_MIPS_16", /* name */
137 true, /* partial_inplace */
138 0x0000ffff, /* src_mask */
139 0x0000ffff, /* dst_mask */
140 false), /* pcrel_offset */
141
142 /* 32 bit relocation. */
143 HOWTO (R_MIPS_32, /* type */
144 0, /* rightshift */
145 2, /* size (0 = byte, 1 = short, 2 = long) */
146 32, /* bitsize */
147 false, /* pc_relative */
148 0, /* bitpos */
149 complain_overflow_dont, /* complain_on_overflow */
150 _bfd_mips_elf_generic_reloc, /* special_function */
151 "R_MIPS_32", /* name */
152 true, /* partial_inplace */
153 0xffffffff, /* src_mask */
154 0xffffffff, /* dst_mask */
155 false), /* pcrel_offset */
156
157 /* 32 bit symbol relative relocation. */
158 HOWTO (R_MIPS_REL32, /* type */
159 0, /* rightshift */
160 2, /* size (0 = byte, 1 = short, 2 = long) */
161 32, /* bitsize */
162 false, /* pc_relative */
163 0, /* bitpos */
164 complain_overflow_dont, /* complain_on_overflow */
165 _bfd_mips_elf_generic_reloc, /* special_function */
166 "R_MIPS_REL32", /* name */
167 true, /* partial_inplace */
168 0xffffffff, /* src_mask */
169 0xffffffff, /* dst_mask */
170 false), /* pcrel_offset */
171
172 /* 26 bit jump address. */
173 HOWTO (R_MIPS_26, /* type */
174 2, /* rightshift */
175 2, /* size (0 = byte, 1 = short, 2 = long) */
176 26, /* bitsize */
177 false, /* pc_relative */
178 0, /* bitpos */
179 complain_overflow_dont, /* complain_on_overflow */
180 /* This needs complex overflow
181 detection, because the upper four
182 bits must match the PC + 4. */
183 _bfd_mips_elf_generic_reloc, /* special_function */
184 "R_MIPS_26", /* name */
185 true, /* partial_inplace */
186 0x03ffffff, /* src_mask */
187 0x03ffffff, /* dst_mask */
188 false), /* pcrel_offset */
189
190 /* R_MIPS_HI16 and R_MIPS_LO16 are unsupported for NewABI REL.
191 However, the native IRIX6 tools use them, so we try our best. */
192
193 /* High 16 bits of symbol value. */
194 HOWTO (R_MIPS_HI16, /* type */
195 16, /* rightshift */
196 2, /* size (0 = byte, 1 = short, 2 = long) */
197 16, /* bitsize */
198 false, /* pc_relative */
199 0, /* bitpos */
200 complain_overflow_dont, /* complain_on_overflow */
201 _bfd_mips_elf_hi16_reloc, /* special_function */
202 "R_MIPS_HI16", /* name */
203 true, /* partial_inplace */
204 0x0000ffff, /* src_mask */
205 0x0000ffff, /* dst_mask */
206 false), /* pcrel_offset */
207
208 /* Low 16 bits of symbol value. */
209 HOWTO (R_MIPS_LO16, /* type */
210 0, /* rightshift */
211 2, /* size (0 = byte, 1 = short, 2 = long) */
212 16, /* bitsize */
213 false, /* pc_relative */
214 0, /* bitpos */
215 complain_overflow_dont, /* complain_on_overflow */
216 _bfd_mips_elf_lo16_reloc, /* special_function */
217 "R_MIPS_LO16", /* name */
218 true, /* partial_inplace */
219 0x0000ffff, /* src_mask */
220 0x0000ffff, /* dst_mask */
221 false), /* pcrel_offset */
222
223 /* GP relative reference. */
224 HOWTO (R_MIPS_GPREL16, /* type */
225 0, /* rightshift */
226 2, /* size (0 = byte, 1 = short, 2 = long) */
227 16, /* bitsize */
228 false, /* pc_relative */
229 0, /* bitpos */
230 complain_overflow_signed, /* complain_on_overflow */
231 mips_elf_gprel16_reloc, /* special_function */
232 "R_MIPS_GPREL16", /* name */
233 true, /* partial_inplace */
234 0x0000ffff, /* src_mask */
235 0x0000ffff, /* dst_mask */
236 false), /* pcrel_offset */
237
238 /* Reference to literal section. */
239 HOWTO (R_MIPS_LITERAL, /* type */
240 0, /* rightshift */
241 2, /* size (0 = byte, 1 = short, 2 = long) */
242 16, /* bitsize */
243 false, /* pc_relative */
244 0, /* bitpos */
245 complain_overflow_signed, /* complain_on_overflow */
246 mips_elf_literal_reloc, /* special_function */
247 "R_MIPS_LITERAL", /* name */
248 true, /* partial_inplace */
249 0x0000ffff, /* src_mask */
250 0x0000ffff, /* dst_mask */
251 false), /* pcrel_offset */
252
253 /* Reference to global offset table. */
254 HOWTO (R_MIPS_GOT16, /* type */
255 0, /* rightshift */
256 2, /* size (0 = byte, 1 = short, 2 = long) */
257 16, /* bitsize */
258 false, /* pc_relative */
259 0, /* bitpos */
260 complain_overflow_signed, /* complain_on_overflow */
261 _bfd_mips_elf_got16_reloc, /* special_function */
262 "R_MIPS_GOT16", /* name */
263 true, /* partial_inplace */
264 0x0000ffff, /* src_mask */
265 0x0000ffff, /* dst_mask */
266 false), /* pcrel_offset */
267
268 /* 16 bit PC relative reference. Note that the ABI document has a typo
269 and claims R_MIPS_PC16 to be not rightshifted, rendering it useless.
270 We do the right thing here. */
271 HOWTO (R_MIPS_PC16, /* type */
272 2, /* rightshift */
273 2, /* size (0 = byte, 1 = short, 2 = long) */
274 16, /* bitsize */
275 true, /* pc_relative */
276 0, /* bitpos */
277 complain_overflow_signed, /* complain_on_overflow */
278 _bfd_mips_elf_generic_reloc, /* special_function */
279 "R_MIPS_PC16", /* name */
280 true, /* partial_inplace */
281 0x0000ffff, /* src_mask */
282 0x0000ffff, /* dst_mask */
283 true), /* pcrel_offset */
284
285 /* 16 bit call through global offset table. */
286 HOWTO (R_MIPS_CALL16, /* type */
287 0, /* rightshift */
288 2, /* size (0 = byte, 1 = short, 2 = long) */
289 16, /* bitsize */
290 false, /* pc_relative */
291 0, /* bitpos */
292 complain_overflow_signed, /* complain_on_overflow */
293 _bfd_mips_elf_generic_reloc, /* special_function */
294 "R_MIPS_CALL16", /* name */
295 true, /* partial_inplace */
296 0x0000ffff, /* src_mask */
297 0x0000ffff, /* dst_mask */
298 false), /* pcrel_offset */
299
300 /* 32 bit GP relative reference. */
301 HOWTO (R_MIPS_GPREL32, /* type */
302 0, /* rightshift */
303 2, /* size (0 = byte, 1 = short, 2 = long) */
304 32, /* bitsize */
305 false, /* pc_relative */
306 0, /* bitpos */
307 complain_overflow_dont, /* complain_on_overflow */
308 mips_elf_gprel32_reloc, /* special_function */
309 "R_MIPS_GPREL32", /* name */
310 true, /* partial_inplace */
311 0xffffffff, /* src_mask */
312 0xffffffff, /* dst_mask */
313 false), /* pcrel_offset */
314
315 /* The remaining relocs are defined on Irix 5, although they are
316 not defined by the ABI. */
317 EMPTY_HOWTO (13),
318 EMPTY_HOWTO (14),
319 EMPTY_HOWTO (15),
320
321 /* A 5 bit shift field. */
322 HOWTO (R_MIPS_SHIFT5, /* type */
323 0, /* rightshift */
324 2, /* size (0 = byte, 1 = short, 2 = long) */
325 5, /* bitsize */
326 false, /* pc_relative */
327 6, /* bitpos */
328 complain_overflow_bitfield, /* complain_on_overflow */
329 _bfd_mips_elf_generic_reloc, /* special_function */
330 "R_MIPS_SHIFT5", /* name */
331 true, /* partial_inplace */
332 0x000007c0, /* src_mask */
333 0x000007c0, /* dst_mask */
334 false), /* pcrel_offset */
335
336 /* A 6 bit shift field. */
337 HOWTO (R_MIPS_SHIFT6, /* type */
338 0, /* rightshift */
339 2, /* size (0 = byte, 1 = short, 2 = long) */
340 6, /* bitsize */
341 false, /* pc_relative */
342 6, /* bitpos */
343 complain_overflow_bitfield, /* complain_on_overflow */
344 mips_elf_shift6_reloc, /* special_function */
345 "R_MIPS_SHIFT6", /* name */
346 true, /* partial_inplace */
347 0x000007c4, /* src_mask */
348 0x000007c4, /* dst_mask */
349 false), /* pcrel_offset */
350
351 /* A 64 bit relocation. */
352 HOWTO (R_MIPS_64, /* type */
353 0, /* rightshift */
354 4, /* size (0 = byte, 1 = short, 2 = long) */
355 64, /* bitsize */
356 false, /* pc_relative */
357 0, /* bitpos */
358 complain_overflow_dont, /* complain_on_overflow */
359 _bfd_mips_elf_generic_reloc, /* special_function */
360 "R_MIPS_64", /* name */
361 true, /* partial_inplace */
362 MINUS_ONE, /* src_mask */
363 MINUS_ONE, /* dst_mask */
364 false), /* pcrel_offset */
365
366 /* Displacement in the global offset table. */
367 HOWTO (R_MIPS_GOT_DISP, /* type */
368 0, /* rightshift */
369 2, /* size (0 = byte, 1 = short, 2 = long) */
370 16, /* bitsize */
371 false, /* pc_relative */
372 0, /* bitpos */
373 complain_overflow_signed, /* complain_on_overflow */
374 _bfd_mips_elf_generic_reloc, /* special_function */
375 "R_MIPS_GOT_DISP", /* name */
376 true, /* partial_inplace */
377 0x0000ffff, /* src_mask */
378 0x0000ffff, /* dst_mask */
379 false), /* pcrel_offset */
380
381 /* Displacement to page pointer in the global offset table. */
382 HOWTO (R_MIPS_GOT_PAGE, /* type */
383 0, /* rightshift */
384 2, /* size (0 = byte, 1 = short, 2 = long) */
385 16, /* bitsize */
386 false, /* pc_relative */
387 0, /* bitpos */
388 complain_overflow_signed, /* complain_on_overflow */
389 _bfd_mips_elf_generic_reloc, /* special_function */
390 "R_MIPS_GOT_PAGE", /* name */
391 true, /* partial_inplace */
392 0x0000ffff, /* src_mask */
393 0x0000ffff, /* dst_mask */
394 false), /* pcrel_offset */
395
396 /* Offset from page pointer in the global offset table. */
397 HOWTO (R_MIPS_GOT_OFST, /* type */
398 0, /* rightshift */
399 2, /* size (0 = byte, 1 = short, 2 = long) */
400 16, /* bitsize */
401 false, /* pc_relative */
402 0, /* bitpos */
403 complain_overflow_signed, /* complain_on_overflow */
404 _bfd_mips_elf_generic_reloc, /* special_function */
405 "R_MIPS_GOT_OFST", /* name */
406 true, /* partial_inplace */
407 0x0000ffff, /* src_mask */
408 0x0000ffff, /* dst_mask */
409 false), /* pcrel_offset */
410
411 /* High 16 bits of displacement in global offset table. */
412 HOWTO (R_MIPS_GOT_HI16, /* type */
413 0, /* rightshift */
414 2, /* size (0 = byte, 1 = short, 2 = long) */
415 16, /* bitsize */
416 false, /* pc_relative */
417 0, /* bitpos */
418 complain_overflow_dont, /* complain_on_overflow */
419 _bfd_mips_elf_generic_reloc, /* special_function */
420 "R_MIPS_GOT_HI16", /* name */
421 true, /* partial_inplace */
422 0x0000ffff, /* src_mask */
423 0x0000ffff, /* dst_mask */
424 false), /* pcrel_offset */
425
426 /* Low 16 bits of displacement in global offset table. */
427 HOWTO (R_MIPS_GOT_LO16, /* type */
428 0, /* rightshift */
429 2, /* size (0 = byte, 1 = short, 2 = long) */
430 16, /* bitsize */
431 false, /* pc_relative */
432 0, /* bitpos */
433 complain_overflow_dont, /* complain_on_overflow */
434 _bfd_mips_elf_generic_reloc, /* special_function */
435 "R_MIPS_GOT_LO16", /* name */
436 true, /* partial_inplace */
437 0x0000ffff, /* src_mask */
438 0x0000ffff, /* dst_mask */
439 false), /* pcrel_offset */
440
441 /* 64 bit subtraction. */
442 HOWTO (R_MIPS_SUB, /* type */
443 0, /* rightshift */
444 4, /* size (0 = byte, 1 = short, 2 = long) */
445 64, /* bitsize */
446 false, /* pc_relative */
447 0, /* bitpos */
448 complain_overflow_dont, /* complain_on_overflow */
449 _bfd_mips_elf_generic_reloc, /* special_function */
450 "R_MIPS_SUB", /* name */
451 true, /* partial_inplace */
452 MINUS_ONE, /* src_mask */
453 MINUS_ONE, /* dst_mask */
454 false), /* pcrel_offset */
455
456 /* Insert the addend as an instruction. */
457 /* FIXME: Not handled correctly. */
458 HOWTO (R_MIPS_INSERT_A, /* type */
459 0, /* rightshift */
460 2, /* size (0 = byte, 1 = short, 2 = long) */
461 32, /* bitsize */
462 false, /* pc_relative */
463 0, /* bitpos */
464 complain_overflow_dont, /* complain_on_overflow */
465 _bfd_mips_elf_generic_reloc, /* special_function */
466 "R_MIPS_INSERT_A", /* name */
467 true, /* partial_inplace */
468 0xffffffff, /* src_mask */
469 0xffffffff, /* dst_mask */
470 false), /* pcrel_offset */
471
472 /* Insert the addend as an instruction, and change all relocations
473 to refer to the old instruction at the address. */
474 /* FIXME: Not handled correctly. */
475 HOWTO (R_MIPS_INSERT_B, /* type */
476 0, /* rightshift */
477 2, /* size (0 = byte, 1 = short, 2 = long) */
478 32, /* bitsize */
479 false, /* pc_relative */
480 0, /* bitpos */
481 complain_overflow_dont, /* complain_on_overflow */
482 _bfd_mips_elf_generic_reloc, /* special_function */
483 "R_MIPS_INSERT_B", /* name */
484 true, /* partial_inplace */
485 0xffffffff, /* src_mask */
486 0xffffffff, /* dst_mask */
487 false), /* pcrel_offset */
488
489 /* Delete a 32 bit instruction. */
490 /* FIXME: Not handled correctly. */
491 HOWTO (R_MIPS_DELETE, /* type */
492 0, /* rightshift */
493 2, /* size (0 = byte, 1 = short, 2 = long) */
494 32, /* bitsize */
495 false, /* pc_relative */
496 0, /* bitpos */
497 complain_overflow_dont, /* complain_on_overflow */
498 _bfd_mips_elf_generic_reloc, /* special_function */
499 "R_MIPS_DELETE", /* name */
500 true, /* partial_inplace */
501 0xffffffff, /* src_mask */
502 0xffffffff, /* dst_mask */
503 false), /* pcrel_offset */
504
505 /* The MIPS ELF64 ABI Draft wants us to support these for REL relocations.
506 We don't, because
507 a) It means building the addend from a R_MIPS_HIGHEST/R_MIPS_HIGHER/
508 R_MIPS_HI16/R_MIPS_LO16 sequence with varying ordering, using
509 fallable heuristics.
510 b) No other NewABI toolchain actually emits such relocations. */
511 EMPTY_HOWTO (R_MIPS_HIGHER),
512 EMPTY_HOWTO (R_MIPS_HIGHEST),
513
514 /* High 16 bits of displacement in global offset table. */
515 HOWTO (R_MIPS_CALL_HI16, /* type */
516 0, /* rightshift */
517 2, /* size (0 = byte, 1 = short, 2 = long) */
518 16, /* bitsize */
519 false, /* pc_relative */
520 0, /* bitpos */
521 complain_overflow_dont, /* complain_on_overflow */
522 _bfd_mips_elf_generic_reloc, /* special_function */
523 "R_MIPS_CALL_HI16", /* name */
524 true, /* partial_inplace */
525 0x0000ffff, /* src_mask */
526 0x0000ffff, /* dst_mask */
527 false), /* pcrel_offset */
528
529 /* Low 16 bits of displacement in global offset table. */
530 HOWTO (R_MIPS_CALL_LO16, /* type */
531 0, /* rightshift */
532 2, /* size (0 = byte, 1 = short, 2 = long) */
533 16, /* bitsize */
534 false, /* pc_relative */
535 0, /* bitpos */
536 complain_overflow_dont, /* complain_on_overflow */
537 _bfd_mips_elf_generic_reloc, /* special_function */
538 "R_MIPS_CALL_LO16", /* name */
539 true, /* partial_inplace */
540 0x0000ffff, /* src_mask */
541 0x0000ffff, /* dst_mask */
542 false), /* pcrel_offset */
543
544 /* Section displacement. */
545 HOWTO (R_MIPS_SCN_DISP, /* type */
546 0, /* rightshift */
547 2, /* size (0 = byte, 1 = short, 2 = long) */
548 32, /* bitsize */
549 false, /* pc_relative */
550 0, /* bitpos */
551 complain_overflow_dont, /* complain_on_overflow */
552 _bfd_mips_elf_generic_reloc, /* special_function */
553 "R_MIPS_SCN_DISP", /* name */
554 true, /* partial_inplace */
555 0xffffffff, /* src_mask */
556 0xffffffff, /* dst_mask */
557 false), /* pcrel_offset */
558
559 HOWTO (R_MIPS_REL16, /* type */
560 0, /* rightshift */
561 1, /* size (0 = byte, 1 = short, 2 = long) */
562 16, /* bitsize */
563 false, /* pc_relative */
564 0, /* bitpos */
565 complain_overflow_signed, /* complain_on_overflow */
566 _bfd_mips_elf_generic_reloc, /* special_function */
567 "R_MIPS_REL16", /* name */
568 true, /* partial_inplace */
569 0xffff, /* src_mask */
570 0xffff, /* dst_mask */
571 false), /* pcrel_offset */
572
573 /* These two are obsolete. */
574 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE),
575 EMPTY_HOWTO (R_MIPS_PJUMP),
576
577 /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section.
578 It must be used for multigot GOT's (and only there). */
579 HOWTO (R_MIPS_RELGOT, /* type */
580 0, /* rightshift */
581 2, /* size (0 = byte, 1 = short, 2 = long) */
582 32, /* bitsize */
583 false, /* pc_relative */
584 0, /* bitpos */
585 complain_overflow_dont, /* complain_on_overflow */
586 _bfd_mips_elf_generic_reloc, /* special_function */
587 "R_MIPS_RELGOT", /* name */
588 true, /* partial_inplace */
589 0xffffffff, /* src_mask */
590 0xffffffff, /* dst_mask */
591 false), /* pcrel_offset */
592
593 /* Protected jump conversion. This is an optimization hint. No
594 relocation is required for correctness. */
595 HOWTO (R_MIPS_JALR, /* type */
596 0, /* rightshift */
597 2, /* size (0 = byte, 1 = short, 2 = long) */
598 32, /* bitsize */
599 false, /* pc_relative */
600 0, /* bitpos */
601 complain_overflow_dont, /* complain_on_overflow */
602 _bfd_mips_elf_generic_reloc, /* special_function */
603 "R_MIPS_JALR", /* name */
604 false, /* partial_inplace */
605 0x00000000, /* src_mask */
606 0x00000000, /* dst_mask */
607 false), /* pcrel_offset */
608
609 /* TLS GD/LD dynamic relocations. */
610 HOWTO (R_MIPS_TLS_DTPMOD32, /* type */
611 0, /* rightshift */
612 2, /* size (0 = byte, 1 = short, 2 = long) */
613 32, /* bitsize */
614 false, /* pc_relative */
615 0, /* bitpos */
616 complain_overflow_dont, /* complain_on_overflow */
617 _bfd_mips_elf_generic_reloc, /* special_function */
618 "R_MIPS_TLS_DTPMOD32", /* name */
619 true, /* partial_inplace */
620 0xffffffff, /* src_mask */
621 0xffffffff, /* dst_mask */
622 false), /* pcrel_offset */
623
624 HOWTO (R_MIPS_TLS_DTPREL32, /* type */
625 0, /* rightshift */
626 2, /* size (0 = byte, 1 = short, 2 = long) */
627 32, /* bitsize */
628 false, /* pc_relative */
629 0, /* bitpos */
630 complain_overflow_dont, /* complain_on_overflow */
631 _bfd_mips_elf_generic_reloc, /* special_function */
632 "R_MIPS_TLS_DTPREL32", /* name */
633 true, /* partial_inplace */
634 0xffffffff, /* src_mask */
635 0xffffffff, /* dst_mask */
636 false), /* pcrel_offset */
637
638 EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64),
639 EMPTY_HOWTO (R_MIPS_TLS_DTPREL64),
640
641 /* TLS general dynamic variable reference. */
642 HOWTO (R_MIPS_TLS_GD, /* type */
643 0, /* rightshift */
644 2, /* size (0 = byte, 1 = short, 2 = long) */
645 16, /* bitsize */
646 false, /* pc_relative */
647 0, /* bitpos */
648 complain_overflow_signed, /* complain_on_overflow */
649 _bfd_mips_elf_generic_reloc, /* special_function */
650 "R_MIPS_TLS_GD", /* name */
651 true, /* partial_inplace */
652 0x0000ffff, /* src_mask */
653 0x0000ffff, /* dst_mask */
654 false), /* pcrel_offset */
655
656 /* TLS local dynamic variable reference. */
657 HOWTO (R_MIPS_TLS_LDM, /* type */
658 0, /* rightshift */
659 2, /* size (0 = byte, 1 = short, 2 = long) */
660 16, /* bitsize */
661 false, /* pc_relative */
662 0, /* bitpos */
663 complain_overflow_signed, /* complain_on_overflow */
664 _bfd_mips_elf_generic_reloc, /* special_function */
665 "R_MIPS_TLS_LDM", /* name */
666 true, /* partial_inplace */
667 0x0000ffff, /* src_mask */
668 0x0000ffff, /* dst_mask */
669 false), /* pcrel_offset */
670
671 /* TLS local dynamic offset. */
672 HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */
673 0, /* rightshift */
674 2, /* size (0 = byte, 1 = short, 2 = long) */
675 16, /* bitsize */
676 false, /* pc_relative */
677 0, /* bitpos */
678 complain_overflow_signed, /* complain_on_overflow */
679 _bfd_mips_elf_generic_reloc, /* special_function */
680 "R_MIPS_TLS_DTPREL_HI16", /* name */
681 true, /* partial_inplace */
682 0x0000ffff, /* src_mask */
683 0x0000ffff, /* dst_mask */
684 false), /* pcrel_offset */
685
686 /* TLS local dynamic offset. */
687 HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */
688 0, /* rightshift */
689 2, /* size (0 = byte, 1 = short, 2 = long) */
690 16, /* bitsize */
691 false, /* pc_relative */
692 0, /* bitpos */
693 complain_overflow_signed, /* complain_on_overflow */
694 _bfd_mips_elf_generic_reloc, /* special_function */
695 "R_MIPS_TLS_DTPREL_LO16", /* name */
696 true, /* partial_inplace */
697 0x0000ffff, /* src_mask */
698 0x0000ffff, /* dst_mask */
699 false), /* pcrel_offset */
700
701 /* TLS thread pointer offset. */
702 HOWTO (R_MIPS_TLS_GOTTPREL, /* type */
703 0, /* rightshift */
704 2, /* size (0 = byte, 1 = short, 2 = long) */
705 16, /* bitsize */
706 false, /* pc_relative */
707 0, /* bitpos */
708 complain_overflow_signed, /* complain_on_overflow */
709 _bfd_mips_elf_generic_reloc, /* special_function */
710 "R_MIPS_TLS_GOTTPREL", /* name */
711 true, /* partial_inplace */
712 0x0000ffff, /* src_mask */
713 0x0000ffff, /* dst_mask */
714 false), /* pcrel_offset */
715
716 /* TLS IE dynamic relocations. */
717 HOWTO (R_MIPS_TLS_TPREL32, /* type */
718 0, /* rightshift */
719 2, /* size (0 = byte, 1 = short, 2 = long) */
720 32, /* bitsize */
721 false, /* pc_relative */
722 0, /* bitpos */
723 complain_overflow_dont, /* complain_on_overflow */
724 _bfd_mips_elf_generic_reloc, /* special_function */
725 "R_MIPS_TLS_TPREL32", /* name */
726 true, /* partial_inplace */
727 0xffffffff, /* src_mask */
728 0xffffffff, /* dst_mask */
729 false), /* pcrel_offset */
730
731 EMPTY_HOWTO (R_MIPS_TLS_TPREL64),
732
733 /* TLS thread pointer offset. */
734 HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */
735 0, /* rightshift */
736 2, /* size (0 = byte, 1 = short, 2 = long) */
737 16, /* bitsize */
738 false, /* pc_relative */
739 0, /* bitpos */
740 complain_overflow_signed, /* complain_on_overflow */
741 _bfd_mips_elf_generic_reloc, /* special_function */
742 "R_MIPS_TLS_TPREL_HI16", /* name */
743 true, /* partial_inplace */
744 0x0000ffff, /* src_mask */
745 0x0000ffff, /* dst_mask */
746 false), /* pcrel_offset */
747
748 /* TLS thread pointer offset. */
749 HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */
750 0, /* rightshift */
751 2, /* size (0 = byte, 1 = short, 2 = long) */
752 16, /* bitsize */
753 false, /* pc_relative */
754 0, /* bitpos */
755 complain_overflow_signed, /* complain_on_overflow */
756 _bfd_mips_elf_generic_reloc, /* special_function */
757 "R_MIPS_TLS_TPREL_LO16", /* name */
758 true, /* partial_inplace */
759 0x0000ffff, /* src_mask */
760 0x0000ffff, /* dst_mask */
761 false), /* pcrel_offset */
762
763 /* 32 bit relocation with no addend. */
764 HOWTO (R_MIPS_GLOB_DAT, /* type */
765 0, /* rightshift */
766 2, /* size (0 = byte, 1 = short, 2 = long) */
767 32, /* bitsize */
768 false, /* pc_relative */
769 0, /* bitpos */
770 complain_overflow_dont, /* complain_on_overflow */
771 _bfd_mips_elf_generic_reloc, /* special_function */
772 "R_MIPS_GLOB_DAT", /* name */
773 false, /* partial_inplace */
774 0x0, /* src_mask */
775 0xffffffff, /* dst_mask */
776 false), /* pcrel_offset */
777
778 EMPTY_HOWTO (52),
779 EMPTY_HOWTO (53),
780 EMPTY_HOWTO (54),
781 EMPTY_HOWTO (55),
782 EMPTY_HOWTO (56),
783 EMPTY_HOWTO (57),
784 EMPTY_HOWTO (58),
785 EMPTY_HOWTO (59),
786
787 HOWTO (R_MIPS_PC21_S2, /* type */
788 2, /* rightshift */
789 2, /* size (0 = byte, 1 = short, 2 = long) */
790 21, /* bitsize */
791 true, /* pc_relative */
792 0, /* bitpos */
793 complain_overflow_signed, /* complain_on_overflow */
794 _bfd_mips_elf_generic_reloc, /* special_function */
795 "R_MIPS_PC21_S2", /* name */
796 true, /* partial_inplace */
797 0x001fffff, /* src_mask */
798 0x001fffff, /* dst_mask */
799 true), /* pcrel_offset */
800
801 HOWTO (R_MIPS_PC26_S2, /* type */
802 2, /* rightshift */
803 2, /* size (0 = byte, 1 = short, 2 = long) */
804 26, /* bitsize */
805 true, /* pc_relative */
806 0, /* bitpos */
807 complain_overflow_signed, /* complain_on_overflow */
808 _bfd_mips_elf_generic_reloc, /* special_function */
809 "R_MIPS_PC26_S2", /* name */
810 true, /* partial_inplace */
811 0x03ffffff, /* src_mask */
812 0x03ffffff, /* dst_mask */
813 true), /* pcrel_offset */
814
815 HOWTO (R_MIPS_PC18_S3, /* type */
816 3, /* rightshift */
817 2, /* size (0 = byte, 1 = short, 2 = long) */
818 18, /* bitsize */
819 true, /* pc_relative */
820 0, /* bitpos */
821 complain_overflow_signed, /* complain_on_overflow */
822 _bfd_mips_elf_generic_reloc, /* special_function */
823 "R_MIPS_PC18_S3", /* name */
824 true, /* partial_inplace */
825 0x0003ffff, /* src_mask */
826 0x0003ffff, /* dst_mask */
827 true), /* pcrel_offset */
828
829 HOWTO (R_MIPS_PC19_S2, /* type */
830 2, /* rightshift */
831 2, /* size (0 = byte, 1 = short, 2 = long) */
832 19, /* bitsize */
833 true, /* pc_relative */
834 0, /* bitpos */
835 complain_overflow_signed, /* complain_on_overflow */
836 _bfd_mips_elf_generic_reloc, /* special_function */
837 "R_MIPS_PC19_S2", /* name */
838 true, /* partial_inplace */
839 0x0007ffff, /* src_mask */
840 0x0007ffff, /* dst_mask */
841 true), /* pcrel_offset */
842
843 HOWTO (R_MIPS_PCHI16, /* type */
844 16, /* rightshift */
845 2, /* size (0 = byte, 1 = short, 2 = long) */
846 16, /* bitsize */
847 true, /* pc_relative */
848 0, /* bitpos */
849 complain_overflow_signed, /* complain_on_overflow */
850 _bfd_mips_elf_generic_reloc, /* special_function */
851 "R_MIPS_PCHI16", /* name */
852 true, /* partial_inplace */
853 0x0000ffff, /* src_mask */
854 0x0000ffff, /* dst_mask */
855 true), /* pcrel_offset */
856
857 HOWTO (R_MIPS_PCLO16, /* type */
858 0, /* rightshift */
859 2, /* size (0 = byte, 1 = short, 2 = long) */
860 16, /* bitsize */
861 true, /* pc_relative */
862 0, /* bitpos */
863 complain_overflow_dont, /* complain_on_overflow */
864 _bfd_mips_elf_generic_reloc, /* special_function */
865 "R_MIPS_PCLO16", /* name */
866 true, /* partial_inplace */
867 0x0000ffff, /* src_mask */
868 0x0000ffff, /* dst_mask */
869 true), /* pcrel_offset */
870
871 };
872
873 /* The relocation table used for SHT_RELA sections. */
874
875 static reloc_howto_type elf_mips_howto_table_rela[] =
876 {
877 /* No relocation. */
878 HOWTO (R_MIPS_NONE, /* type */
879 0, /* rightshift */
880 0, /* size (0 = byte, 1 = short, 2 = long) */
881 0, /* bitsize */
882 false, /* pc_relative */
883 0, /* bitpos */
884 complain_overflow_dont, /* complain_on_overflow */
885 _bfd_mips_elf_generic_reloc, /* special_function */
886 "R_MIPS_NONE", /* name */
887 false, /* partial_inplace */
888 0, /* src_mask */
889 0, /* dst_mask */
890 false), /* pcrel_offset */
891
892 /* 16 bit relocation. */
893 HOWTO (R_MIPS_16, /* type */
894 0, /* rightshift */
895 2, /* size (0 = byte, 1 = short, 2 = long) */
896 16, /* bitsize */
897 false, /* pc_relative */
898 0, /* bitpos */
899 complain_overflow_signed, /* complain_on_overflow */
900 _bfd_mips_elf_generic_reloc, /* special_function */
901 "R_MIPS_16", /* name */
902 false, /* partial_inplace */
903 0, /* src_mask */
904 0x0000, /* dst_mask */
905 false), /* pcrel_offset */
906
907 /* 32 bit relocation. */
908 HOWTO (R_MIPS_32, /* type */
909 0, /* rightshift */
910 2, /* size (0 = byte, 1 = short, 2 = long) */
911 32, /* bitsize */
912 false, /* pc_relative */
913 0, /* bitpos */
914 complain_overflow_dont, /* complain_on_overflow */
915 _bfd_mips_elf_generic_reloc, /* special_function */
916 "R_MIPS_32", /* name */
917 false, /* partial_inplace */
918 0, /* src_mask */
919 0xffffffff, /* dst_mask */
920 false), /* pcrel_offset */
921
922 /* 32 bit symbol relative relocation. */
923 HOWTO (R_MIPS_REL32, /* type */
924 0, /* rightshift */
925 2, /* size (0 = byte, 1 = short, 2 = long) */
926 32, /* bitsize */
927 false, /* pc_relative */
928 0, /* bitpos */
929 complain_overflow_dont, /* complain_on_overflow */
930 _bfd_mips_elf_generic_reloc, /* special_function */
931 "R_MIPS_REL32", /* name */
932 false, /* partial_inplace */
933 0, /* src_mask */
934 0xffffffff, /* dst_mask */
935 false), /* pcrel_offset */
936
937 /* 26 bit jump address. */
938 HOWTO (R_MIPS_26, /* type */
939 2, /* rightshift */
940 2, /* size (0 = byte, 1 = short, 2 = long) */
941 26, /* bitsize */
942 false, /* pc_relative */
943 0, /* bitpos */
944 complain_overflow_dont, /* complain_on_overflow */
945 /* This needs complex overflow
946 detection, because the upper 36
947 bits must match the PC + 4. */
948 _bfd_mips_elf_generic_reloc, /* special_function */
949 "R_MIPS_26", /* name */
950 false, /* partial_inplace */
951 0, /* src_mask */
952 0x03ffffff, /* dst_mask */
953 false), /* pcrel_offset */
954
955 /* High 16 bits of symbol value. */
956 HOWTO (R_MIPS_HI16, /* type */
957 0, /* rightshift */
958 2, /* size (0 = byte, 1 = short, 2 = long) */
959 16, /* bitsize */
960 false, /* pc_relative */
961 0, /* bitpos */
962 complain_overflow_dont, /* complain_on_overflow */
963 _bfd_mips_elf_generic_reloc, /* special_function */
964 "R_MIPS_HI16", /* name */
965 false, /* partial_inplace */
966 0, /* src_mask */
967 0x0000ffff, /* dst_mask */
968 false), /* pcrel_offset */
969
970 /* Low 16 bits of symbol value. */
971 HOWTO (R_MIPS_LO16, /* type */
972 0, /* rightshift */
973 2, /* size (0 = byte, 1 = short, 2 = long) */
974 16, /* bitsize */
975 false, /* pc_relative */
976 0, /* bitpos */
977 complain_overflow_dont, /* complain_on_overflow */
978 _bfd_mips_elf_generic_reloc, /* special_function */
979 "R_MIPS_LO16", /* name */
980 false, /* partial_inplace */
981 0, /* src_mask */
982 0x0000ffff, /* dst_mask */
983 false), /* pcrel_offset */
984
985 /* GP relative reference. */
986 HOWTO (R_MIPS_GPREL16, /* type */
987 0, /* rightshift */
988 2, /* size (0 = byte, 1 = short, 2 = long) */
989 16, /* bitsize */
990 false, /* pc_relative */
991 0, /* bitpos */
992 complain_overflow_signed, /* complain_on_overflow */
993 mips_elf_gprel16_reloc, /* special_function */
994 "R_MIPS_GPREL16", /* name */
995 false, /* partial_inplace */
996 0, /* src_mask */
997 0x0000ffff, /* dst_mask */
998 false), /* pcrel_offset */
999
1000 /* Reference to literal section. */
1001 HOWTO (R_MIPS_LITERAL, /* type */
1002 0, /* rightshift */
1003 2, /* size (0 = byte, 1 = short, 2 = long) */
1004 16, /* bitsize */
1005 false, /* pc_relative */
1006 0, /* bitpos */
1007 complain_overflow_signed, /* complain_on_overflow */
1008 mips_elf_literal_reloc, /* special_function */
1009 "R_MIPS_LITERAL", /* name */
1010 false, /* partial_inplace */
1011 0, /* src_mask */
1012 0x0000ffff, /* dst_mask */
1013 false), /* pcrel_offset */
1014
1015 /* Reference to global offset table. */
1016 HOWTO (R_MIPS_GOT16, /* type */
1017 0, /* rightshift */
1018 2, /* size (0 = byte, 1 = short, 2 = long) */
1019 16, /* bitsize */
1020 false, /* pc_relative */
1021 0, /* bitpos */
1022 complain_overflow_signed, /* complain_on_overflow */
1023 _bfd_mips_elf_generic_reloc, /* special_function */
1024 "R_MIPS_GOT16", /* name */
1025 false, /* partial_inplace */
1026 0, /* src_mask */
1027 0x0000ffff, /* dst_mask */
1028 false), /* pcrel_offset */
1029
1030 /* 16 bit PC relative reference. Note that the ABI document has a typo
1031 and claims R_MIPS_PC16 to be not rightshifted, rendering it useless.
1032 We do the right thing here. */
1033 HOWTO (R_MIPS_PC16, /* type */
1034 2, /* rightshift */
1035 2, /* size (0 = byte, 1 = short, 2 = long) */
1036 16, /* bitsize */
1037 true, /* pc_relative */
1038 0, /* bitpos */
1039 complain_overflow_signed, /* complain_on_overflow */
1040 _bfd_mips_elf_generic_reloc, /* special_function */
1041 "R_MIPS_PC16", /* name */
1042 false, /* partial_inplace */
1043 0, /* src_mask */
1044 0x0000ffff, /* dst_mask */
1045 true), /* pcrel_offset */
1046
1047 /* 16 bit call through global offset table. */
1048 HOWTO (R_MIPS_CALL16, /* type */
1049 0, /* rightshift */
1050 2, /* size (0 = byte, 1 = short, 2 = long) */
1051 16, /* bitsize */
1052 false, /* pc_relative */
1053 0, /* bitpos */
1054 complain_overflow_signed, /* complain_on_overflow */
1055 _bfd_mips_elf_generic_reloc, /* special_function */
1056 "R_MIPS_CALL16", /* name */
1057 false, /* partial_inplace */
1058 0, /* src_mask */
1059 0x0000ffff, /* dst_mask */
1060 false), /* pcrel_offset */
1061
1062 /* 32 bit GP relative reference. */
1063 HOWTO (R_MIPS_GPREL32, /* type */
1064 0, /* rightshift */
1065 2, /* size (0 = byte, 1 = short, 2 = long) */
1066 32, /* bitsize */
1067 false, /* pc_relative */
1068 0, /* bitpos */
1069 complain_overflow_dont, /* complain_on_overflow */
1070 mips_elf_gprel32_reloc, /* special_function */
1071 "R_MIPS_GPREL32", /* name */
1072 false, /* partial_inplace */
1073 0, /* src_mask */
1074 0xffffffff, /* dst_mask */
1075 false), /* pcrel_offset */
1076
1077 EMPTY_HOWTO (13),
1078 EMPTY_HOWTO (14),
1079 EMPTY_HOWTO (15),
1080
1081 /* A 5 bit shift field. */
1082 HOWTO (R_MIPS_SHIFT5, /* type */
1083 0, /* rightshift */
1084 2, /* size (0 = byte, 1 = short, 2 = long) */
1085 5, /* bitsize */
1086 false, /* pc_relative */
1087 6, /* bitpos */
1088 complain_overflow_bitfield, /* complain_on_overflow */
1089 _bfd_mips_elf_generic_reloc, /* special_function */
1090 "R_MIPS_SHIFT5", /* name */
1091 false, /* partial_inplace */
1092 0, /* src_mask */
1093 0x000007c0, /* dst_mask */
1094 false), /* pcrel_offset */
1095
1096 /* A 6 bit shift field. */
1097 HOWTO (R_MIPS_SHIFT6, /* type */
1098 0, /* rightshift */
1099 2, /* size (0 = byte, 1 = short, 2 = long) */
1100 6, /* bitsize */
1101 false, /* pc_relative */
1102 6, /* bitpos */
1103 complain_overflow_bitfield, /* complain_on_overflow */
1104 mips_elf_shift6_reloc, /* special_function */
1105 "R_MIPS_SHIFT6", /* name */
1106 false, /* partial_inplace */
1107 0, /* src_mask */
1108 0x000007c4, /* dst_mask */
1109 false), /* pcrel_offset */
1110
1111 /* 64 bit relocation. */
1112 HOWTO (R_MIPS_64, /* type */
1113 0, /* rightshift */
1114 4, /* size (0 = byte, 1 = short, 2 = long) */
1115 64, /* bitsize */
1116 false, /* pc_relative */
1117 0, /* bitpos */
1118 complain_overflow_dont, /* complain_on_overflow */
1119 _bfd_mips_elf_generic_reloc, /* special_function */
1120 "R_MIPS_64", /* name */
1121 false, /* partial_inplace */
1122 0, /* src_mask */
1123 MINUS_ONE, /* dst_mask */
1124 false), /* pcrel_offset */
1125
1126 /* Displacement in the global offset table. */
1127 HOWTO (R_MIPS_GOT_DISP, /* type */
1128 0, /* rightshift */
1129 2, /* size (0 = byte, 1 = short, 2 = long) */
1130 16, /* bitsize */
1131 false, /* pc_relative */
1132 0, /* bitpos */
1133 complain_overflow_signed, /* complain_on_overflow */
1134 _bfd_mips_elf_generic_reloc, /* special_function */
1135 "R_MIPS_GOT_DISP", /* name */
1136 false, /* partial_inplace */
1137 0, /* src_mask */
1138 0x0000ffff, /* dst_mask */
1139 false), /* pcrel_offset */
1140
1141 /* Displacement to page pointer in the global offset table. */
1142 HOWTO (R_MIPS_GOT_PAGE, /* type */
1143 0, /* rightshift */
1144 2, /* size (0 = byte, 1 = short, 2 = long) */
1145 16, /* bitsize */
1146 false, /* pc_relative */
1147 0, /* bitpos */
1148 complain_overflow_signed, /* complain_on_overflow */
1149 _bfd_mips_elf_generic_reloc, /* special_function */
1150 "R_MIPS_GOT_PAGE", /* name */
1151 false, /* partial_inplace */
1152 0, /* src_mask */
1153 0x0000ffff, /* dst_mask */
1154 false), /* pcrel_offset */
1155
1156 /* Offset from page pointer in the global offset table. */
1157 HOWTO (R_MIPS_GOT_OFST, /* type */
1158 0, /* rightshift */
1159 2, /* size (0 = byte, 1 = short, 2 = long) */
1160 16, /* bitsize */
1161 false, /* pc_relative */
1162 0, /* bitpos */
1163 complain_overflow_signed, /* complain_on_overflow */
1164 _bfd_mips_elf_generic_reloc, /* special_function */
1165 "R_MIPS_GOT_OFST", /* name */
1166 false, /* partial_inplace */
1167 0, /* src_mask */
1168 0x0000ffff, /* dst_mask */
1169 false), /* pcrel_offset */
1170
1171 /* High 16 bits of displacement in global offset table. */
1172 HOWTO (R_MIPS_GOT_HI16, /* type */
1173 0, /* rightshift */
1174 2, /* size (0 = byte, 1 = short, 2 = long) */
1175 16, /* bitsize */
1176 false, /* pc_relative */
1177 0, /* bitpos */
1178 complain_overflow_dont, /* complain_on_overflow */
1179 _bfd_mips_elf_generic_reloc, /* special_function */
1180 "R_MIPS_GOT_HI16", /* name */
1181 false, /* partial_inplace */
1182 0, /* src_mask */
1183 0x0000ffff, /* dst_mask */
1184 false), /* pcrel_offset */
1185
1186 /* Low 16 bits of displacement in global offset table. */
1187 HOWTO (R_MIPS_GOT_LO16, /* type */
1188 0, /* rightshift */
1189 2, /* size (0 = byte, 1 = short, 2 = long) */
1190 16, /* bitsize */
1191 false, /* pc_relative */
1192 0, /* bitpos */
1193 complain_overflow_dont, /* complain_on_overflow */
1194 _bfd_mips_elf_generic_reloc, /* special_function */
1195 "R_MIPS_GOT_LO16", /* name */
1196 false, /* partial_inplace */
1197 0, /* src_mask */
1198 0x0000ffff, /* dst_mask */
1199 false), /* pcrel_offset */
1200
1201 /* 64 bit subtraction. */
1202 HOWTO (R_MIPS_SUB, /* type */
1203 0, /* rightshift */
1204 4, /* size (0 = byte, 1 = short, 2 = long) */
1205 64, /* bitsize */
1206 false, /* pc_relative */
1207 0, /* bitpos */
1208 complain_overflow_dont, /* complain_on_overflow */
1209 _bfd_mips_elf_generic_reloc, /* special_function */
1210 "R_MIPS_SUB", /* name */
1211 false, /* partial_inplace */
1212 0, /* src_mask */
1213 MINUS_ONE, /* dst_mask */
1214 false), /* pcrel_offset */
1215
1216 /* Insert the addend as an instruction. */
1217 /* FIXME: Not handled correctly. */
1218 HOWTO (R_MIPS_INSERT_A, /* type */
1219 0, /* rightshift */
1220 2, /* size (0 = byte, 1 = short, 2 = long) */
1221 32, /* bitsize */
1222 false, /* pc_relative */
1223 0, /* bitpos */
1224 complain_overflow_dont, /* complain_on_overflow */
1225 _bfd_mips_elf_generic_reloc, /* special_function */
1226 "R_MIPS_INSERT_A", /* name */
1227 false, /* partial_inplace */
1228 0, /* src_mask */
1229 0xffffffff, /* dst_mask */
1230 false), /* pcrel_offset */
1231
1232 /* Insert the addend as an instruction, and change all relocations
1233 to refer to the old instruction at the address. */
1234 /* FIXME: Not handled correctly. */
1235 HOWTO (R_MIPS_INSERT_B, /* type */
1236 0, /* rightshift */
1237 2, /* size (0 = byte, 1 = short, 2 = long) */
1238 32, /* bitsize */
1239 false, /* pc_relative */
1240 0, /* bitpos */
1241 complain_overflow_dont, /* complain_on_overflow */
1242 _bfd_mips_elf_generic_reloc, /* special_function */
1243 "R_MIPS_INSERT_B", /* name */
1244 false, /* partial_inplace */
1245 0, /* src_mask */
1246 0xffffffff, /* dst_mask */
1247 false), /* pcrel_offset */
1248
1249 /* Delete a 32 bit instruction. */
1250 /* FIXME: Not handled correctly. */
1251 HOWTO (R_MIPS_DELETE, /* type */
1252 0, /* rightshift */
1253 2, /* size (0 = byte, 1 = short, 2 = long) */
1254 32, /* bitsize */
1255 false, /* pc_relative */
1256 0, /* bitpos */
1257 complain_overflow_dont, /* complain_on_overflow */
1258 _bfd_mips_elf_generic_reloc, /* special_function */
1259 "R_MIPS_DELETE", /* name */
1260 false, /* partial_inplace */
1261 0, /* src_mask */
1262 0xffffffff, /* dst_mask */
1263 false), /* pcrel_offset */
1264
1265 /* Get the higher value of a 64 bit addend. */
1266 HOWTO (R_MIPS_HIGHER, /* type */
1267 0, /* rightshift */
1268 2, /* size (0 = byte, 1 = short, 2 = long) */
1269 16, /* bitsize */
1270 false, /* pc_relative */
1271 0, /* bitpos */
1272 complain_overflow_dont, /* complain_on_overflow */
1273 _bfd_mips_elf_generic_reloc, /* special_function */
1274 "R_MIPS_HIGHER", /* name */
1275 false, /* partial_inplace */
1276 0, /* src_mask */
1277 0x0000ffff, /* dst_mask */
1278 false), /* pcrel_offset */
1279
1280 /* Get the highest value of a 64 bit addend. */
1281 HOWTO (R_MIPS_HIGHEST, /* type */
1282 0, /* rightshift */
1283 2, /* size (0 = byte, 1 = short, 2 = long) */
1284 16, /* bitsize */
1285 false, /* pc_relative */
1286 0, /* bitpos */
1287 complain_overflow_dont, /* complain_on_overflow */
1288 _bfd_mips_elf_generic_reloc, /* special_function */
1289 "R_MIPS_HIGHEST", /* name */
1290 false, /* partial_inplace */
1291 0, /* src_mask */
1292 0x0000ffff, /* dst_mask */
1293 false), /* pcrel_offset */
1294
1295 /* High 16 bits of displacement in global offset table. */
1296 HOWTO (R_MIPS_CALL_HI16, /* type */
1297 0, /* rightshift */
1298 2, /* size (0 = byte, 1 = short, 2 = long) */
1299 16, /* bitsize */
1300 false, /* pc_relative */
1301 0, /* bitpos */
1302 complain_overflow_dont, /* complain_on_overflow */
1303 _bfd_mips_elf_generic_reloc, /* special_function */
1304 "R_MIPS_CALL_HI16", /* name */
1305 false, /* partial_inplace */
1306 0, /* src_mask */
1307 0x0000ffff, /* dst_mask */
1308 false), /* pcrel_offset */
1309
1310 /* Low 16 bits of displacement in global offset table. */
1311 HOWTO (R_MIPS_CALL_LO16, /* type */
1312 0, /* rightshift */
1313 2, /* size (0 = byte, 1 = short, 2 = long) */
1314 16, /* bitsize */
1315 false, /* pc_relative */
1316 0, /* bitpos */
1317 complain_overflow_dont, /* complain_on_overflow */
1318 _bfd_mips_elf_generic_reloc, /* special_function */
1319 "R_MIPS_CALL_LO16", /* name */
1320 false, /* partial_inplace */
1321 0, /* src_mask */
1322 0x0000ffff, /* dst_mask */
1323 false), /* pcrel_offset */
1324
1325 /* Section displacement, used by an associated event location section. */
1326 HOWTO (R_MIPS_SCN_DISP, /* type */
1327 0, /* rightshift */
1328 2, /* size (0 = byte, 1 = short, 2 = long) */
1329 32, /* bitsize */
1330 false, /* pc_relative */
1331 0, /* bitpos */
1332 complain_overflow_dont, /* complain_on_overflow */
1333 _bfd_mips_elf_generic_reloc, /* special_function */
1334 "R_MIPS_SCN_DISP", /* name */
1335 false, /* partial_inplace */
1336 0, /* src_mask */
1337 0xffffffff, /* dst_mask */
1338 false), /* pcrel_offset */
1339
1340 /* 16 bit relocation. */
1341 HOWTO (R_MIPS_REL16, /* type */
1342 0, /* rightshift */
1343 1, /* size (0 = byte, 1 = short, 2 = long) */
1344 16, /* bitsize */
1345 false, /* pc_relative */
1346 0, /* bitpos */
1347 complain_overflow_signed, /* complain_on_overflow */
1348 _bfd_mips_elf_generic_reloc, /* special_function */
1349 "R_MIPS_REL16", /* name */
1350 false, /* partial_inplace */
1351 0, /* src_mask */
1352 0xffff, /* dst_mask */
1353 false), /* pcrel_offset */
1354
1355 /* These two are obsolete. */
1356 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE),
1357 EMPTY_HOWTO (R_MIPS_PJUMP),
1358
1359 /* Similiar to R_MIPS_REL32, but used for relocations in a GOT section.
1360 It must be used for multigot GOT's (and only there). */
1361 HOWTO (R_MIPS_RELGOT, /* type */
1362 0, /* rightshift */
1363 2, /* size (0 = byte, 1 = short, 2 = long) */
1364 32, /* bitsize */
1365 false, /* pc_relative */
1366 0, /* bitpos */
1367 complain_overflow_dont, /* complain_on_overflow */
1368 _bfd_mips_elf_generic_reloc, /* special_function */
1369 "R_MIPS_RELGOT", /* name */
1370 false, /* partial_inplace */
1371 0, /* src_mask */
1372 0xffffffff, /* dst_mask */
1373 false), /* pcrel_offset */
1374
1375 /* Protected jump conversion. This is an optimization hint. No
1376 relocation is required for correctness. */
1377 HOWTO (R_MIPS_JALR, /* type */
1378 0, /* rightshift */
1379 2, /* size (0 = byte, 1 = short, 2 = long) */
1380 32, /* bitsize */
1381 false, /* pc_relative */
1382 0, /* bitpos */
1383 complain_overflow_dont, /* complain_on_overflow */
1384 _bfd_mips_elf_generic_reloc, /* special_function */
1385 "R_MIPS_JALR", /* name */
1386 false, /* partial_inplace */
1387 0, /* src_mask */
1388 0, /* dst_mask */
1389 false), /* pcrel_offset */
1390
1391 /* TLS GD/LD dynamic relocations. */
1392 HOWTO (R_MIPS_TLS_DTPMOD32, /* type */
1393 0, /* rightshift */
1394 2, /* size (0 = byte, 1 = short, 2 = long) */
1395 32, /* bitsize */
1396 false, /* pc_relative */
1397 0, /* bitpos */
1398 complain_overflow_dont, /* complain_on_overflow */
1399 _bfd_mips_elf_generic_reloc, /* special_function */
1400 "R_MIPS_TLS_DTPMOD32", /* name */
1401 false, /* partial_inplace */
1402 0, /* src_mask */
1403 0xffffffff, /* dst_mask */
1404 false), /* pcrel_offset */
1405
1406 HOWTO (R_MIPS_TLS_DTPREL32, /* type */
1407 0, /* rightshift */
1408 2, /* size (0 = byte, 1 = short, 2 = long) */
1409 32, /* bitsize */
1410 false, /* pc_relative */
1411 0, /* bitpos */
1412 complain_overflow_dont, /* complain_on_overflow */
1413 _bfd_mips_elf_generic_reloc, /* special_function */
1414 "R_MIPS_TLS_DTPREL32", /* name */
1415 false, /* partial_inplace */
1416 0, /* src_mask */
1417 0xffffffff, /* dst_mask */
1418 false), /* pcrel_offset */
1419
1420 EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64),
1421 EMPTY_HOWTO (R_MIPS_TLS_DTPREL64),
1422
1423 /* TLS general dynamic variable reference. */
1424 HOWTO (R_MIPS_TLS_GD, /* type */
1425 0, /* rightshift */
1426 2, /* size (0 = byte, 1 = short, 2 = long) */
1427 16, /* bitsize */
1428 false, /* pc_relative */
1429 0, /* bitpos */
1430 complain_overflow_signed, /* complain_on_overflow */
1431 _bfd_mips_elf_generic_reloc, /* special_function */
1432 "R_MIPS_TLS_GD", /* name */
1433 false, /* partial_inplace */
1434 0, /* src_mask */
1435 0x0000ffff, /* dst_mask */
1436 false), /* pcrel_offset */
1437
1438 /* TLS local dynamic variable reference. */
1439 HOWTO (R_MIPS_TLS_LDM, /* type */
1440 0, /* rightshift */
1441 2, /* size (0 = byte, 1 = short, 2 = long) */
1442 16, /* bitsize */
1443 false, /* pc_relative */
1444 0, /* bitpos */
1445 complain_overflow_signed, /* complain_on_overflow */
1446 _bfd_mips_elf_generic_reloc, /* special_function */
1447 "R_MIPS_TLS_LDM", /* name */
1448 false, /* partial_inplace */
1449 0, /* src_mask */
1450 0x0000ffff, /* dst_mask */
1451 false), /* pcrel_offset */
1452
1453 /* TLS local dynamic offset. */
1454 HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */
1455 0, /* rightshift */
1456 2, /* size (0 = byte, 1 = short, 2 = long) */
1457 16, /* bitsize */
1458 false, /* pc_relative */
1459 0, /* bitpos */
1460 complain_overflow_signed, /* complain_on_overflow */
1461 _bfd_mips_elf_generic_reloc, /* special_function */
1462 "R_MIPS_TLS_DTPREL_HI16", /* name */
1463 false, /* partial_inplace */
1464 0, /* src_mask */
1465 0x0000ffff, /* dst_mask */
1466 false), /* pcrel_offset */
1467
1468 /* TLS local dynamic offset. */
1469 HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */
1470 0, /* rightshift */
1471 2, /* size (0 = byte, 1 = short, 2 = long) */
1472 16, /* bitsize */
1473 false, /* pc_relative */
1474 0, /* bitpos */
1475 complain_overflow_signed, /* complain_on_overflow */
1476 _bfd_mips_elf_generic_reloc, /* special_function */
1477 "R_MIPS_TLS_DTPREL_LO16", /* name */
1478 false, /* partial_inplace */
1479 0, /* src_mask */
1480 0x0000ffff, /* dst_mask */
1481 false), /* pcrel_offset */
1482
1483 /* TLS thread pointer offset. */
1484 HOWTO (R_MIPS_TLS_GOTTPREL, /* type */
1485 0, /* rightshift */
1486 2, /* size (0 = byte, 1 = short, 2 = long) */
1487 16, /* bitsize */
1488 false, /* pc_relative */
1489 0, /* bitpos */
1490 complain_overflow_signed, /* complain_on_overflow */
1491 _bfd_mips_elf_generic_reloc, /* special_function */
1492 "R_MIPS_TLS_GOTTPREL", /* name */
1493 false, /* partial_inplace */
1494 0, /* src_mask */
1495 0x0000ffff, /* dst_mask */
1496 false), /* pcrel_offset */
1497
1498 /* TLS IE dynamic relocations. */
1499 HOWTO (R_MIPS_TLS_TPREL32, /* type */
1500 0, /* rightshift */
1501 2, /* size (0 = byte, 1 = short, 2 = long) */
1502 32, /* bitsize */
1503 false, /* pc_relative */
1504 0, /* bitpos */
1505 complain_overflow_dont, /* complain_on_overflow */
1506 _bfd_mips_elf_generic_reloc, /* special_function */
1507 "R_MIPS_TLS_TPREL32", /* name */
1508 false, /* partial_inplace */
1509 0, /* src_mask */
1510 0xffffffff, /* dst_mask */
1511 false), /* pcrel_offset */
1512
1513 EMPTY_HOWTO (R_MIPS_TLS_TPREL64),
1514
1515 /* TLS thread pointer offset. */
1516 HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */
1517 0, /* rightshift */
1518 2, /* size (0 = byte, 1 = short, 2 = long) */
1519 16, /* bitsize */
1520 false, /* pc_relative */
1521 0, /* bitpos */
1522 complain_overflow_signed, /* complain_on_overflow */
1523 _bfd_mips_elf_generic_reloc, /* special_function */
1524 "R_MIPS_TLS_TPREL_HI16", /* name */
1525 false, /* partial_inplace */
1526 0, /* src_mask */
1527 0x0000ffff, /* dst_mask */
1528 false), /* pcrel_offset */
1529
1530 /* TLS thread pointer offset. */
1531 HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */
1532 0, /* rightshift */
1533 2, /* size (0 = byte, 1 = short, 2 = long) */
1534 16, /* bitsize */
1535 false, /* pc_relative */
1536 0, /* bitpos */
1537 complain_overflow_signed, /* complain_on_overflow */
1538 _bfd_mips_elf_generic_reloc, /* special_function */
1539 "R_MIPS_TLS_TPREL_LO16", /* name */
1540 false, /* partial_inplace */
1541 0, /* src_mask */
1542 0x0000ffff, /* dst_mask */
1543 false), /* pcrel_offset */
1544
1545 /* 32 bit relocation with no addend. */
1546 HOWTO (R_MIPS_GLOB_DAT, /* type */
1547 0, /* rightshift */
1548 2, /* size (0 = byte, 1 = short, 2 = long) */
1549 32, /* bitsize */
1550 false, /* pc_relative */
1551 0, /* bitpos */
1552 complain_overflow_dont, /* complain_on_overflow */
1553 _bfd_mips_elf_generic_reloc, /* special_function */
1554 "R_MIPS_GLOB_DAT", /* name */
1555 false, /* partial_inplace */
1556 0x0, /* src_mask */
1557 0xffffffff, /* dst_mask */
1558 false), /* pcrel_offset */
1559
1560 EMPTY_HOWTO (52),
1561 EMPTY_HOWTO (53),
1562 EMPTY_HOWTO (54),
1563 EMPTY_HOWTO (55),
1564 EMPTY_HOWTO (56),
1565 EMPTY_HOWTO (57),
1566 EMPTY_HOWTO (58),
1567 EMPTY_HOWTO (59),
1568
1569 HOWTO (R_MIPS_PC21_S2, /* type */
1570 2, /* rightshift */
1571 2, /* size (0 = byte, 1 = short, 2 = long) */
1572 21, /* bitsize */
1573 true, /* pc_relative */
1574 0, /* bitpos */
1575 complain_overflow_signed, /* complain_on_overflow */
1576 _bfd_mips_elf_generic_reloc, /* special_function */
1577 "R_MIPS_PC21_S2", /* name */
1578 false, /* partial_inplace */
1579 0, /* src_mask */
1580 0x001fffff, /* dst_mask */
1581 true), /* pcrel_offset */
1582
1583 HOWTO (R_MIPS_PC26_S2, /* type */
1584 2, /* rightshift */
1585 2, /* size (0 = byte, 1 = short, 2 = long) */
1586 26, /* bitsize */
1587 true, /* pc_relative */
1588 0, /* bitpos */
1589 complain_overflow_signed, /* complain_on_overflow */
1590 _bfd_mips_elf_generic_reloc, /* special_function */
1591 "R_MIPS_PC26_S2", /* name */
1592 false, /* partial_inplace */
1593 0, /* src_mask */
1594 0x03ffffff, /* dst_mask */
1595 true), /* pcrel_offset */
1596
1597 HOWTO (R_MIPS_PC18_S3, /* type */
1598 3, /* rightshift */
1599 2, /* size (0 = byte, 1 = short, 2 = long) */
1600 18, /* bitsize */
1601 true, /* pc_relative */
1602 0, /* bitpos */
1603 complain_overflow_signed, /* complain_on_overflow */
1604 _bfd_mips_elf_generic_reloc, /* special_function */
1605 "R_MIPS_PC18_S3", /* name */
1606 false, /* partial_inplace */
1607 0, /* src_mask */
1608 0x0003ffff, /* dst_mask */
1609 true), /* pcrel_offset */
1610
1611 HOWTO (R_MIPS_PC19_S2, /* type */
1612 2, /* rightshift */
1613 2, /* size (0 = byte, 1 = short, 2 = long) */
1614 19, /* bitsize */
1615 true, /* pc_relative */
1616 0, /* bitpos */
1617 complain_overflow_signed, /* complain_on_overflow */
1618 _bfd_mips_elf_generic_reloc, /* special_function */
1619 "R_MIPS_PC19_S2", /* name */
1620 false, /* partial_inplace */
1621 0, /* src_mask */
1622 0x0007ffff, /* dst_mask */
1623 true), /* pcrel_offset */
1624
1625 HOWTO (R_MIPS_PCHI16, /* type */
1626 16, /* rightshift */
1627 2, /* size (0 = byte, 1 = short, 2 = long) */
1628 16, /* bitsize */
1629 true, /* pc_relative */
1630 0, /* bitpos */
1631 complain_overflow_signed, /* complain_on_overflow */
1632 _bfd_mips_elf_generic_reloc, /* special_function */
1633 "R_MIPS_PCHI16", /* name */
1634 false, /* partial_inplace */
1635 0, /* src_mask */
1636 0x0000ffff, /* dst_mask */
1637 true), /* pcrel_offset */
1638
1639 HOWTO (R_MIPS_PCLO16, /* type */
1640 0, /* rightshift */
1641 2, /* size (0 = byte, 1 = short, 2 = long) */
1642 16, /* bitsize */
1643 true, /* pc_relative */
1644 0, /* bitpos */
1645 complain_overflow_dont, /* complain_on_overflow */
1646 _bfd_mips_elf_generic_reloc, /* special_function */
1647 "R_MIPS_PCLO16", /* name */
1648 false, /* partial_inplace */
1649 0, /* src_mask */
1650 0x0000ffff, /* dst_mask */
1651 true), /* pcrel_offset */
1652
1653 };
1654
1655 static reloc_howto_type elf_mips16_howto_table_rel[] =
1656 {
1657 /* The reloc used for the mips16 jump instruction. */
1658 HOWTO (R_MIPS16_26, /* type */
1659 2, /* rightshift */
1660 2, /* size (0 = byte, 1 = short, 2 = long) */
1661 26, /* bitsize */
1662 false, /* pc_relative */
1663 0, /* bitpos */
1664 complain_overflow_dont, /* complain_on_overflow */
1665 /* This needs complex overflow
1666 detection, because the upper four
1667 bits must match the PC. */
1668 _bfd_mips_elf_generic_reloc, /* special_function */
1669 "R_MIPS16_26", /* name */
1670 true, /* partial_inplace */
1671 0x3ffffff, /* src_mask */
1672 0x3ffffff, /* dst_mask */
1673 false), /* pcrel_offset */
1674
1675 /* The reloc used for the mips16 gprel instruction. */
1676 HOWTO (R_MIPS16_GPREL, /* type */
1677 0, /* rightshift */
1678 2, /* size (0 = byte, 1 = short, 2 = long) */
1679 16, /* bitsize */
1680 false, /* pc_relative */
1681 0, /* bitpos */
1682 complain_overflow_signed, /* complain_on_overflow */
1683 mips16_gprel_reloc, /* special_function */
1684 "R_MIPS16_GPREL", /* name */
1685 true, /* partial_inplace */
1686 0x0000ffff, /* src_mask */
1687 0x0000ffff, /* dst_mask */
1688 false), /* pcrel_offset */
1689
1690 /* A MIPS16 reference to the global offset table. */
1691 HOWTO (R_MIPS16_GOT16, /* type */
1692 0, /* rightshift */
1693 2, /* size (0 = byte, 1 = short, 2 = long) */
1694 16, /* bitsize */
1695 false, /* pc_relative */
1696 0, /* bitpos */
1697 complain_overflow_dont, /* complain_on_overflow */
1698 _bfd_mips_elf_got16_reloc, /* special_function */
1699 "R_MIPS16_GOT16", /* name */
1700 true, /* partial_inplace */
1701 0x0000ffff, /* src_mask */
1702 0x0000ffff, /* dst_mask */
1703 false), /* pcrel_offset */
1704
1705 /* A MIPS16 call through the global offset table. */
1706 HOWTO (R_MIPS16_CALL16, /* type */
1707 0, /* rightshift */
1708 2, /* size (0 = byte, 1 = short, 2 = long) */
1709 16, /* bitsize */
1710 false, /* pc_relative */
1711 0, /* bitpos */
1712 complain_overflow_dont, /* complain_on_overflow */
1713 _bfd_mips_elf_generic_reloc, /* special_function */
1714 "R_MIPS16_CALL16", /* name */
1715 true, /* partial_inplace */
1716 0x0000ffff, /* src_mask */
1717 0x0000ffff, /* dst_mask */
1718 false), /* pcrel_offset */
1719
1720 /* MIPS16 high 16 bits of symbol value. */
1721 HOWTO (R_MIPS16_HI16, /* type */
1722 16, /* rightshift */
1723 2, /* size (0 = byte, 1 = short, 2 = long) */
1724 16, /* bitsize */
1725 false, /* pc_relative */
1726 0, /* bitpos */
1727 complain_overflow_dont, /* complain_on_overflow */
1728 _bfd_mips_elf_hi16_reloc, /* special_function */
1729 "R_MIPS16_HI16", /* name */
1730 true, /* partial_inplace */
1731 0x0000ffff, /* src_mask */
1732 0x0000ffff, /* dst_mask */
1733 false), /* pcrel_offset */
1734
1735 /* MIPS16 low 16 bits of symbol value. */
1736 HOWTO (R_MIPS16_LO16, /* type */
1737 0, /* rightshift */
1738 2, /* size (0 = byte, 1 = short, 2 = long) */
1739 16, /* bitsize */
1740 false, /* pc_relative */
1741 0, /* bitpos */
1742 complain_overflow_dont, /* complain_on_overflow */
1743 _bfd_mips_elf_lo16_reloc, /* special_function */
1744 "R_MIPS16_LO16", /* name */
1745 true, /* partial_inplace */
1746 0x0000ffff, /* src_mask */
1747 0x0000ffff, /* dst_mask */
1748 false), /* pcrel_offset */
1749
1750 /* MIPS16 TLS general dynamic variable reference. */
1751 HOWTO (R_MIPS16_TLS_GD, /* type */
1752 0, /* rightshift */
1753 2, /* size (0 = byte, 1 = short, 2 = long) */
1754 16, /* bitsize */
1755 false, /* pc_relative */
1756 0, /* bitpos */
1757 complain_overflow_signed, /* complain_on_overflow */
1758 _bfd_mips_elf_generic_reloc, /* special_function */
1759 "R_MIPS16_TLS_GD", /* name */
1760 true, /* partial_inplace */
1761 0x0000ffff, /* src_mask */
1762 0x0000ffff, /* dst_mask */
1763 false), /* pcrel_offset */
1764
1765 /* MIPS16 TLS local dynamic variable reference. */
1766 HOWTO (R_MIPS16_TLS_LDM, /* type */
1767 0, /* rightshift */
1768 2, /* size (0 = byte, 1 = short, 2 = long) */
1769 16, /* bitsize */
1770 false, /* pc_relative */
1771 0, /* bitpos */
1772 complain_overflow_signed, /* complain_on_overflow */
1773 _bfd_mips_elf_generic_reloc, /* special_function */
1774 "R_MIPS16_TLS_LDM", /* name */
1775 true, /* partial_inplace */
1776 0x0000ffff, /* src_mask */
1777 0x0000ffff, /* dst_mask */
1778 false), /* pcrel_offset */
1779
1780 /* MIPS16 TLS local dynamic offset. */
1781 HOWTO (R_MIPS16_TLS_DTPREL_HI16, /* type */
1782 0, /* rightshift */
1783 2, /* size (0 = byte, 1 = short, 2 = long) */
1784 16, /* bitsize */
1785 false, /* pc_relative */
1786 0, /* bitpos */
1787 complain_overflow_signed, /* complain_on_overflow */
1788 _bfd_mips_elf_generic_reloc, /* special_function */
1789 "R_MIPS16_TLS_DTPREL_HI16", /* name */
1790 true, /* partial_inplace */
1791 0x0000ffff, /* src_mask */
1792 0x0000ffff, /* dst_mask */
1793 false), /* pcrel_offset */
1794
1795 /* MIPS16 TLS local dynamic offset. */
1796 HOWTO (R_MIPS16_TLS_DTPREL_LO16, /* type */
1797 0, /* rightshift */
1798 2, /* size (0 = byte, 1 = short, 2 = long) */
1799 16, /* bitsize */
1800 false, /* pc_relative */
1801 0, /* bitpos */
1802 complain_overflow_signed, /* complain_on_overflow */
1803 _bfd_mips_elf_generic_reloc, /* special_function */
1804 "R_MIPS16_TLS_DTPREL_LO16", /* name */
1805 true, /* partial_inplace */
1806 0x0000ffff, /* src_mask */
1807 0x0000ffff, /* dst_mask */
1808 false), /* pcrel_offset */
1809
1810 /* MIPS16 TLS thread pointer offset. */
1811 HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */
1812 0, /* rightshift */
1813 2, /* size (0 = byte, 1 = short, 2 = long) */
1814 16, /* bitsize */
1815 false, /* pc_relative */
1816 0, /* bitpos */
1817 complain_overflow_signed, /* complain_on_overflow */
1818 _bfd_mips_elf_generic_reloc, /* special_function */
1819 "R_MIPS16_TLS_GOTTPREL", /* name */
1820 true, /* partial_inplace */
1821 0x0000ffff, /* src_mask */
1822 0x0000ffff, /* dst_mask */
1823 false), /* pcrel_offset */
1824
1825 /* MIPS16 TLS thread pointer offset. */
1826 HOWTO (R_MIPS16_TLS_TPREL_HI16, /* type */
1827 0, /* rightshift */
1828 2, /* size (0 = byte, 1 = short, 2 = long) */
1829 16, /* bitsize */
1830 false, /* pc_relative */
1831 0, /* bitpos */
1832 complain_overflow_signed, /* complain_on_overflow */
1833 _bfd_mips_elf_generic_reloc, /* special_function */
1834 "R_MIPS16_TLS_TPREL_HI16", /* name */
1835 true, /* partial_inplace */
1836 0x0000ffff, /* src_mask */
1837 0x0000ffff, /* dst_mask */
1838 false), /* pcrel_offset */
1839
1840 /* MIPS16 TLS thread pointer offset. */
1841 HOWTO (R_MIPS16_TLS_TPREL_LO16, /* type */
1842 0, /* rightshift */
1843 2, /* size (0 = byte, 1 = short, 2 = long) */
1844 16, /* bitsize */
1845 false, /* pc_relative */
1846 0, /* bitpos */
1847 complain_overflow_signed, /* complain_on_overflow */
1848 _bfd_mips_elf_generic_reloc, /* special_function */
1849 "R_MIPS16_TLS_TPREL_LO16", /* name */
1850 true, /* partial_inplace */
1851 0x0000ffff, /* src_mask */
1852 0x0000ffff, /* dst_mask */
1853 false), /* pcrel_offset */
1854
1855 /* MIPS16 16-bit PC-relative branch offset. */
1856 HOWTO (R_MIPS16_PC16_S1, /* type */
1857 1, /* rightshift */
1858 2, /* size (0 = byte, 1 = short, 2 = long) */
1859 16, /* bitsize */
1860 true, /* pc_relative */
1861 0, /* bitpos */
1862 complain_overflow_signed, /* complain_on_overflow */
1863 _bfd_mips_elf_generic_reloc, /* special_function */
1864 "R_MIPS16_PC16_S1", /* name */
1865 true, /* partial_inplace */
1866 0x0000ffff, /* src_mask */
1867 0x0000ffff, /* dst_mask */
1868 true), /* pcrel_offset */
1869 };
1870
1871 static reloc_howto_type elf_mips16_howto_table_rela[] =
1872 {
1873 /* The reloc used for the mips16 jump instruction. */
1874 HOWTO (R_MIPS16_26, /* type */
1875 2, /* rightshift */
1876 2, /* size (0 = byte, 1 = short, 2 = long) */
1877 26, /* bitsize */
1878 false, /* pc_relative */
1879 0, /* bitpos */
1880 complain_overflow_dont, /* complain_on_overflow */
1881 /* This needs complex overflow
1882 detection, because the upper four
1883 bits must match the PC. */
1884 _bfd_mips_elf_generic_reloc, /* special_function */
1885 "R_MIPS16_26", /* name */
1886 false, /* partial_inplace */
1887 0, /* src_mask */
1888 0x3ffffff, /* dst_mask */
1889 false), /* pcrel_offset */
1890
1891 /* The reloc used for the mips16 gprel instruction. */
1892 HOWTO (R_MIPS16_GPREL, /* type */
1893 0, /* rightshift */
1894 2, /* size (0 = byte, 1 = short, 2 = long) */
1895 16, /* bitsize */
1896 false, /* pc_relative */
1897 0, /* bitpos */
1898 complain_overflow_signed, /* complain_on_overflow */
1899 mips16_gprel_reloc, /* special_function */
1900 "R_MIPS16_GPREL", /* name */
1901 false, /* partial_inplace */
1902 0, /* src_mask */
1903 0x0000ffff, /* dst_mask */
1904 false), /* pcrel_offset */
1905
1906 /* A MIPS16 reference to the global offset table. */
1907 HOWTO (R_MIPS16_GOT16, /* type */
1908 0, /* rightshift */
1909 2, /* size (0 = byte, 1 = short, 2 = long) */
1910 16, /* bitsize */
1911 false, /* pc_relative */
1912 0, /* bitpos */
1913 complain_overflow_dont, /* complain_on_overflow */
1914 _bfd_mips_elf_got16_reloc, /* special_function */
1915 "R_MIPS16_GOT16", /* name */
1916 false, /* partial_inplace */
1917 0, /* src_mask */
1918 0x0000ffff, /* dst_mask */
1919 false), /* pcrel_offset */
1920
1921 /* A MIPS16 call through the global offset table. */
1922 HOWTO (R_MIPS16_CALL16, /* type */
1923 0, /* rightshift */
1924 2, /* size (0 = byte, 1 = short, 2 = long) */
1925 16, /* bitsize */
1926 false, /* pc_relative */
1927 0, /* bitpos */
1928 complain_overflow_dont, /* complain_on_overflow */
1929 _bfd_mips_elf_generic_reloc, /* special_function */
1930 "R_MIPS16_CALL16", /* name */
1931 false, /* partial_inplace */
1932 0, /* src_mask */
1933 0x0000ffff, /* dst_mask */
1934 false), /* pcrel_offset */
1935
1936 /* MIPS16 high 16 bits of symbol value. */
1937 HOWTO (R_MIPS16_HI16, /* type */
1938 16, /* rightshift */
1939 2, /* size (0 = byte, 1 = short, 2 = long) */
1940 16, /* bitsize */
1941 false, /* pc_relative */
1942 0, /* bitpos */
1943 complain_overflow_dont, /* complain_on_overflow */
1944 _bfd_mips_elf_hi16_reloc, /* special_function */
1945 "R_MIPS16_HI16", /* name */
1946 false, /* partial_inplace */
1947 0, /* src_mask */
1948 0x0000ffff, /* dst_mask */
1949 false), /* pcrel_offset */
1950
1951 /* MIPS16 low 16 bits of symbol value. */
1952 HOWTO (R_MIPS16_LO16, /* type */
1953 0, /* rightshift */
1954 2, /* size (0 = byte, 1 = short, 2 = long) */
1955 16, /* bitsize */
1956 false, /* pc_relative */
1957 0, /* bitpos */
1958 complain_overflow_dont, /* complain_on_overflow */
1959 _bfd_mips_elf_lo16_reloc, /* special_function */
1960 "R_MIPS16_LO16", /* name */
1961 false, /* partial_inplace */
1962 0, /* src_mask */
1963 0x0000ffff, /* dst_mask */
1964 false), /* pcrel_offset */
1965
1966 /* MIPS16 TLS general dynamic variable reference. */
1967 HOWTO (R_MIPS16_TLS_GD, /* type */
1968 0, /* rightshift */
1969 2, /* size (0 = byte, 1 = short, 2 = long) */
1970 16, /* bitsize */
1971 false, /* pc_relative */
1972 0, /* bitpos */
1973 complain_overflow_signed, /* complain_on_overflow */
1974 _bfd_mips_elf_generic_reloc, /* special_function */
1975 "R_MIPS16_TLS_GD", /* name */
1976 false, /* partial_inplace */
1977 0, /* src_mask */
1978 0x0000ffff, /* dst_mask */
1979 false), /* pcrel_offset */
1980
1981 /* MIPS16 TLS local dynamic variable reference. */
1982 HOWTO (R_MIPS16_TLS_LDM, /* type */
1983 0, /* rightshift */
1984 2, /* size (0 = byte, 1 = short, 2 = long) */
1985 16, /* bitsize */
1986 false, /* pc_relative */
1987 0, /* bitpos */
1988 complain_overflow_signed, /* complain_on_overflow */
1989 _bfd_mips_elf_generic_reloc, /* special_function */
1990 "R_MIPS16_TLS_LDM", /* name */
1991 false, /* partial_inplace */
1992 0, /* src_mask */
1993 0x0000ffff, /* dst_mask */
1994 false), /* pcrel_offset */
1995
1996 /* MIPS16 TLS local dynamic offset. */
1997 HOWTO (R_MIPS16_TLS_DTPREL_HI16, /* type */
1998 0, /* rightshift */
1999 2, /* size (0 = byte, 1 = short, 2 = long) */
2000 16, /* bitsize */
2001 false, /* pc_relative */
2002 0, /* bitpos */
2003 complain_overflow_signed, /* complain_on_overflow */
2004 _bfd_mips_elf_generic_reloc, /* special_function */
2005 "R_MIPS16_TLS_DTPREL_HI16", /* name */
2006 false, /* partial_inplace */
2007 0, /* src_mask */
2008 0x0000ffff, /* dst_mask */
2009 false), /* pcrel_offset */
2010
2011 /* MIPS16 TLS local dynamic offset. */
2012 HOWTO (R_MIPS16_TLS_DTPREL_LO16, /* type */
2013 0, /* rightshift */
2014 2, /* size (0 = byte, 1 = short, 2 = long) */
2015 16, /* bitsize */
2016 false, /* pc_relative */
2017 0, /* bitpos */
2018 complain_overflow_signed, /* complain_on_overflow */
2019 _bfd_mips_elf_generic_reloc, /* special_function */
2020 "R_MIPS16_TLS_DTPREL_LO16", /* name */
2021 false, /* partial_inplace */
2022 0, /* src_mask */
2023 0x0000ffff, /* dst_mask */
2024 false), /* pcrel_offset */
2025
2026 /* MIPS16 TLS thread pointer offset. */
2027 HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */
2028 0, /* rightshift */
2029 2, /* size (0 = byte, 1 = short, 2 = long) */
2030 16, /* bitsize */
2031 false, /* pc_relative */
2032 0, /* bitpos */
2033 complain_overflow_signed, /* complain_on_overflow */
2034 _bfd_mips_elf_generic_reloc, /* special_function */
2035 "R_MIPS16_TLS_GOTTPREL", /* name */
2036 false, /* partial_inplace */
2037 0, /* src_mask */
2038 0x0000ffff, /* dst_mask */
2039 false), /* pcrel_offset */
2040
2041 /* MIPS16 TLS thread pointer offset. */
2042 HOWTO (R_MIPS16_TLS_TPREL_HI16, /* type */
2043 0, /* rightshift */
2044 2, /* size (0 = byte, 1 = short, 2 = long) */
2045 16, /* bitsize */
2046 false, /* pc_relative */
2047 0, /* bitpos */
2048 complain_overflow_signed, /* complain_on_overflow */
2049 _bfd_mips_elf_generic_reloc, /* special_function */
2050 "R_MIPS16_TLS_TPREL_HI16", /* name */
2051 false, /* partial_inplace */
2052 0, /* src_mask */
2053 0x0000ffff, /* dst_mask */
2054 false), /* pcrel_offset */
2055
2056 /* MIPS16 TLS thread pointer offset. */
2057 HOWTO (R_MIPS16_TLS_TPREL_LO16, /* type */
2058 0, /* rightshift */
2059 2, /* size (0 = byte, 1 = short, 2 = long) */
2060 16, /* bitsize */
2061 false, /* pc_relative */
2062 0, /* bitpos */
2063 complain_overflow_signed, /* complain_on_overflow */
2064 _bfd_mips_elf_generic_reloc, /* special_function */
2065 "R_MIPS16_TLS_TPREL_LO16", /* name */
2066 false, /* partial_inplace */
2067 0, /* src_mask */
2068 0x0000ffff, /* dst_mask */
2069 false), /* pcrel_offset */
2070
2071 /* MIPS16 16-bit PC-relative branch offset. */
2072 HOWTO (R_MIPS16_PC16_S1, /* type */
2073 1, /* rightshift */
2074 2, /* size (0 = byte, 1 = short, 2 = long) */
2075 16, /* bitsize */
2076 true, /* pc_relative */
2077 0, /* bitpos */
2078 complain_overflow_signed, /* complain_on_overflow */
2079 _bfd_mips_elf_generic_reloc, /* special_function */
2080 "R_MIPS16_PC16_S1", /* name */
2081 false, /* partial_inplace */
2082 0, /* src_mask */
2083 0x0000ffff, /* dst_mask */
2084 true), /* pcrel_offset */
2085 };
2086
2087 static reloc_howto_type elf_micromips_howto_table_rel[] =
2088 {
2089 EMPTY_HOWTO (130),
2090 EMPTY_HOWTO (131),
2091 EMPTY_HOWTO (132),
2092
2093 /* 26 bit jump address. */
2094 HOWTO (R_MICROMIPS_26_S1, /* type */
2095 1, /* rightshift */
2096 2, /* size (0 = byte, 1 = short, 2 = long) */
2097 26, /* bitsize */
2098 false, /* pc_relative */
2099 0, /* bitpos */
2100 complain_overflow_dont, /* complain_on_overflow */
2101 /* This needs complex overflow
2102 detection, because the upper four
2103 bits must match the PC. */
2104 _bfd_mips_elf_generic_reloc, /* special_function */
2105 "R_MICROMIPS_26_S1", /* name */
2106 true, /* partial_inplace */
2107 0x3ffffff, /* src_mask */
2108 0x3ffffff, /* dst_mask */
2109 false), /* pcrel_offset */
2110
2111 /* High 16 bits of symbol value. */
2112 HOWTO (R_MICROMIPS_HI16, /* type */
2113 16, /* rightshift */
2114 2, /* size (0 = byte, 1 = short, 2 = long) */
2115 16, /* bitsize */
2116 false, /* pc_relative */
2117 0, /* bitpos */
2118 complain_overflow_dont, /* complain_on_overflow */
2119 _bfd_mips_elf_hi16_reloc, /* special_function */
2120 "R_MICROMIPS_HI16", /* name */
2121 true, /* partial_inplace */
2122 0x0000ffff, /* src_mask */
2123 0x0000ffff, /* dst_mask */
2124 false), /* pcrel_offset */
2125
2126 /* Low 16 bits of symbol value. */
2127 HOWTO (R_MICROMIPS_LO16, /* type */
2128 0, /* rightshift */
2129 2, /* size (0 = byte, 1 = short, 2 = long) */
2130 16, /* bitsize */
2131 false, /* pc_relative */
2132 0, /* bitpos */
2133 complain_overflow_dont, /* complain_on_overflow */
2134 _bfd_mips_elf_lo16_reloc, /* special_function */
2135 "R_MICROMIPS_LO16", /* name */
2136 true, /* partial_inplace */
2137 0x0000ffff, /* src_mask */
2138 0x0000ffff, /* dst_mask */
2139 false), /* pcrel_offset */
2140
2141 /* GP relative reference. */
2142 HOWTO (R_MICROMIPS_GPREL16, /* type */
2143 0, /* rightshift */
2144 2, /* size (0 = byte, 1 = short, 2 = long) */
2145 16, /* bitsize */
2146 false, /* pc_relative */
2147 0, /* bitpos */
2148 complain_overflow_signed, /* complain_on_overflow */
2149 _bfd_mips_elf32_gprel16_reloc, /* special_function */
2150 "R_MICROMIPS_GPREL16", /* name */
2151 true, /* partial_inplace */
2152 0x0000ffff, /* src_mask */
2153 0x0000ffff, /* dst_mask */
2154 false), /* pcrel_offset */
2155
2156 /* Reference to literal section. */
2157 HOWTO (R_MICROMIPS_LITERAL, /* type */
2158 0, /* rightshift */
2159 2, /* size (0 = byte, 1 = short, 2 = long) */
2160 16, /* bitsize */
2161 false, /* pc_relative */
2162 0, /* bitpos */
2163 complain_overflow_signed, /* complain_on_overflow */
2164 _bfd_mips_elf32_gprel16_reloc, /* special_function */
2165 "R_MICROMIPS_LITERAL", /* name */
2166 true, /* partial_inplace */
2167 0x0000ffff, /* src_mask */
2168 0x0000ffff, /* dst_mask */
2169 false), /* pcrel_offset */
2170
2171 /* Reference to global offset table. */
2172 HOWTO (R_MICROMIPS_GOT16, /* type */
2173 0, /* rightshift */
2174 2, /* size (0 = byte, 1 = short, 2 = long) */
2175 16, /* bitsize */
2176 false, /* pc_relative */
2177 0, /* bitpos */
2178 complain_overflow_signed, /* complain_on_overflow */
2179 _bfd_mips_elf_got16_reloc, /* special_function */
2180 "R_MICROMIPS_GOT16", /* name */
2181 true, /* partial_inplace */
2182 0x0000ffff, /* src_mask */
2183 0x0000ffff, /* dst_mask */
2184 false), /* pcrel_offset */
2185
2186 /* This is for microMIPS branches. */
2187 HOWTO (R_MICROMIPS_PC7_S1, /* type */
2188 1, /* rightshift */
2189 1, /* size (0 = byte, 1 = short, 2 = long) */
2190 7, /* bitsize */
2191 true, /* pc_relative */
2192 0, /* bitpos */
2193 complain_overflow_signed, /* complain_on_overflow */
2194 _bfd_mips_elf_generic_reloc, /* special_function */
2195 "R_MICROMIPS_PC7_S1", /* name */
2196 true, /* partial_inplace */
2197 0x0000007f, /* src_mask */
2198 0x0000007f, /* dst_mask */
2199 true), /* pcrel_offset */
2200
2201 HOWTO (R_MICROMIPS_PC10_S1, /* type */
2202 1, /* rightshift */
2203 1, /* size (0 = byte, 1 = short, 2 = long) */
2204 10, /* bitsize */
2205 true, /* pc_relative */
2206 0, /* bitpos */
2207 complain_overflow_signed, /* complain_on_overflow */
2208 _bfd_mips_elf_generic_reloc, /* special_function */
2209 "R_MICROMIPS_PC10_S1", /* name */
2210 true, /* partial_inplace */
2211 0x000003ff, /* src_mask */
2212 0x000003ff, /* dst_mask */
2213 true), /* pcrel_offset */
2214
2215 HOWTO (R_MICROMIPS_PC16_S1, /* type */
2216 1, /* rightshift */
2217 2, /* size (0 = byte, 1 = short, 2 = long) */
2218 16, /* bitsize */
2219 true, /* pc_relative */
2220 0, /* bitpos */
2221 complain_overflow_signed, /* complain_on_overflow */
2222 _bfd_mips_elf_generic_reloc, /* special_function */
2223 "R_MICROMIPS_PC16_S1", /* name */
2224 true, /* partial_inplace */
2225 0x0000ffff, /* src_mask */
2226 0x0000ffff, /* dst_mask */
2227 true), /* pcrel_offset */
2228
2229 /* 16 bit call through global offset table. */
2230 HOWTO (R_MICROMIPS_CALL16, /* type */
2231 0, /* rightshift */
2232 2, /* size (0 = byte, 1 = short, 2 = long) */
2233 16, /* bitsize */
2234 false, /* pc_relative */
2235 0, /* bitpos */
2236 complain_overflow_signed, /* complain_on_overflow */
2237 _bfd_mips_elf_generic_reloc, /* special_function */
2238 "R_MICROMIPS_CALL16", /* name */
2239 true, /* partial_inplace */
2240 0x0000ffff, /* src_mask */
2241 0x0000ffff, /* dst_mask */
2242 false), /* pcrel_offset */
2243
2244 EMPTY_HOWTO (143),
2245 EMPTY_HOWTO (144),
2246
2247 /* Displacement in the global offset table. */
2248 HOWTO (R_MICROMIPS_GOT_DISP, /* type */
2249 0, /* rightshift */
2250 2, /* size (0 = byte, 1 = short, 2 = long) */
2251 16, /* bitsize */
2252 false, /* pc_relative */
2253 0, /* bitpos */
2254 complain_overflow_signed, /* complain_on_overflow */
2255 _bfd_mips_elf_generic_reloc, /* special_function */
2256 "R_MICROMIPS_GOT_DISP",/* name */
2257 true, /* partial_inplace */
2258 0x0000ffff, /* src_mask */
2259 0x0000ffff, /* dst_mask */
2260 false), /* pcrel_offset */
2261
2262 /* Displacement to page pointer in the global offset table. */
2263 HOWTO (R_MICROMIPS_GOT_PAGE, /* type */
2264 0, /* rightshift */
2265 2, /* size (0 = byte, 1 = short, 2 = long) */
2266 16, /* bitsize */
2267 false, /* pc_relative */
2268 0, /* bitpos */
2269 complain_overflow_signed, /* complain_on_overflow */
2270 _bfd_mips_elf_generic_reloc, /* special_function */
2271 "R_MICROMIPS_GOT_PAGE",/* name */
2272 true, /* partial_inplace */
2273 0x0000ffff, /* src_mask */
2274 0x0000ffff, /* dst_mask */
2275 false), /* pcrel_offset */
2276
2277 /* Offset from page pointer in the global offset table. */
2278 HOWTO (R_MICROMIPS_GOT_OFST, /* type */
2279 0, /* rightshift */
2280 2, /* size (0 = byte, 1 = short, 2 = long) */
2281 16, /* bitsize */
2282 false, /* pc_relative */
2283 0, /* bitpos */
2284 complain_overflow_signed, /* complain_on_overflow */
2285 _bfd_mips_elf_generic_reloc, /* special_function */
2286 "R_MICROMIPS_GOT_OFST",/* name */
2287 true, /* partial_inplace */
2288 0x0000ffff, /* src_mask */
2289 0x0000ffff, /* dst_mask */
2290 false), /* pcrel_offset */
2291
2292 /* High 16 bits of displacement in global offset table. */
2293 HOWTO (R_MICROMIPS_GOT_HI16, /* type */
2294 0, /* rightshift */
2295 2, /* size (0 = byte, 1 = short, 2 = long) */
2296 16, /* bitsize */
2297 false, /* pc_relative */
2298 0, /* bitpos */
2299 complain_overflow_dont, /* complain_on_overflow */
2300 _bfd_mips_elf_generic_reloc, /* special_function */
2301 "R_MICROMIPS_GOT_HI16",/* name */
2302 true, /* partial_inplace */
2303 0x0000ffff, /* src_mask */
2304 0x0000ffff, /* dst_mask */
2305 false), /* pcrel_offset */
2306
2307 /* Low 16 bits of displacement in global offset table. */
2308 HOWTO (R_MICROMIPS_GOT_LO16, /* type */
2309 0, /* rightshift */
2310 2, /* size (0 = byte, 1 = short, 2 = long) */
2311 16, /* bitsize */
2312 false, /* pc_relative */
2313 0, /* bitpos */
2314 complain_overflow_dont, /* complain_on_overflow */
2315 _bfd_mips_elf_generic_reloc, /* special_function */
2316 "R_MICROMIPS_GOT_LO16",/* name */
2317 true, /* partial_inplace */
2318 0x0000ffff, /* src_mask */
2319 0x0000ffff, /* dst_mask */
2320 false), /* pcrel_offset */
2321
2322 /* 64 bit subtraction. Used in the N32 ABI. */
2323 HOWTO (R_MICROMIPS_SUB, /* type */
2324 0, /* rightshift */
2325 4, /* size (0 = byte, 1 = short, 2 = long) */
2326 64, /* bitsize */
2327 false, /* pc_relative */
2328 0, /* bitpos */
2329 complain_overflow_dont, /* complain_on_overflow */
2330 _bfd_mips_elf_generic_reloc, /* special_function */
2331 "R_MICROMIPS_SUB", /* name */
2332 true, /* partial_inplace */
2333 MINUS_ONE, /* src_mask */
2334 MINUS_ONE, /* dst_mask */
2335 false), /* pcrel_offset */
2336
2337 /* We don't support these for REL relocations, because it means building
2338 the addend from a R_MICROMIPS_HIGHEST/R_MICROMIPS_HIGHER/
2339 R_MICROMIPS_HI16/R_MICROMIPS_LO16 sequence with varying ordering,
2340 using fallable heuristics. */
2341 EMPTY_HOWTO (R_MICROMIPS_HIGHER),
2342 EMPTY_HOWTO (R_MICROMIPS_HIGHEST),
2343
2344 /* High 16 bits of displacement in global offset table. */
2345 HOWTO (R_MICROMIPS_CALL_HI16, /* type */
2346 0, /* rightshift */
2347 2, /* size (0 = byte, 1 = short, 2 = long) */
2348 16, /* bitsize */
2349 false, /* pc_relative */
2350 0, /* bitpos */
2351 complain_overflow_dont, /* complain_on_overflow */
2352 _bfd_mips_elf_generic_reloc, /* special_function */
2353 "R_MICROMIPS_CALL_HI16",/* name */
2354 true, /* partial_inplace */
2355 0x0000ffff, /* src_mask */
2356 0x0000ffff, /* dst_mask */
2357 false), /* pcrel_offset */
2358
2359 /* Low 16 bits of displacement in global offset table. */
2360 HOWTO (R_MICROMIPS_CALL_LO16, /* type */
2361 0, /* rightshift */
2362 2, /* size (0 = byte, 1 = short, 2 = long) */
2363 16, /* bitsize */
2364 false, /* pc_relative */
2365 0, /* bitpos */
2366 complain_overflow_dont, /* complain_on_overflow */
2367 _bfd_mips_elf_generic_reloc, /* special_function */
2368 "R_MICROMIPS_CALL_LO16",/* name */
2369 true, /* partial_inplace */
2370 0x0000ffff, /* src_mask */
2371 0x0000ffff, /* dst_mask */
2372 false), /* pcrel_offset */
2373
2374 /* Section displacement. */
2375 HOWTO (R_MICROMIPS_SCN_DISP, /* type */
2376 0, /* rightshift */
2377 2, /* size (0 = byte, 1 = short, 2 = long) */
2378 32, /* bitsize */
2379 false, /* pc_relative */
2380 0, /* bitpos */
2381 complain_overflow_dont, /* complain_on_overflow */
2382 _bfd_mips_elf_generic_reloc, /* special_function */
2383 "R_MICROMIPS_SCN_DISP", /* name */
2384 true, /* partial_inplace */
2385 0xffffffff, /* src_mask */
2386 0xffffffff, /* dst_mask */
2387 false), /* pcrel_offset */
2388
2389 /* Protected jump conversion. This is an optimization hint. No
2390 relocation is required for correctness. */
2391 HOWTO (R_MICROMIPS_JALR, /* type */
2392 0, /* rightshift */
2393 2, /* size (0 = byte, 1 = short, 2 = long) */
2394 32, /* bitsize */
2395 false, /* pc_relative */
2396 0, /* bitpos */
2397 complain_overflow_dont, /* complain_on_overflow */
2398 _bfd_mips_elf_generic_reloc, /* special_function */
2399 "R_MICROMIPS_JALR", /* name */
2400 false, /* partial_inplace */
2401 0, /* src_mask */
2402 0x00000000, /* dst_mask */
2403 false), /* pcrel_offset */
2404
2405 /* Low 16 bits of symbol value. Note that the high 16 bits of symbol values
2406 must be zero. This is used for relaxation. */
2407 HOWTO (R_MICROMIPS_HI0_LO16, /* type */
2408 0, /* rightshift */
2409 2, /* size (0 = byte, 1 = short, 2 = long) */
2410 16, /* bitsize */
2411 false, /* pc_relative */
2412 0, /* bitpos */
2413 complain_overflow_dont, /* complain_on_overflow */
2414 _bfd_mips_elf_generic_reloc, /* special_function */
2415 "R_MICROMIPS_HI0_LO16",/* name */
2416 true, /* partial_inplace */
2417 0x0000ffff, /* src_mask */
2418 0x0000ffff, /* dst_mask */
2419 false), /* pcrel_offset */
2420
2421 EMPTY_HOWTO (158),
2422 EMPTY_HOWTO (159),
2423 EMPTY_HOWTO (160),
2424 EMPTY_HOWTO (161),
2425
2426 /* TLS general dynamic variable reference. */
2427 HOWTO (R_MICROMIPS_TLS_GD, /* type */
2428 0, /* rightshift */
2429 2, /* size (0 = byte, 1 = short, 2 = long) */
2430 16, /* bitsize */
2431 false, /* pc_relative */
2432 0, /* bitpos */
2433 complain_overflow_signed, /* complain_on_overflow */
2434 _bfd_mips_elf_generic_reloc, /* special_function */
2435 "R_MICROMIPS_TLS_GD", /* name */
2436 true, /* partial_inplace */
2437 0x0000ffff, /* src_mask */
2438 0x0000ffff, /* dst_mask */
2439 false), /* pcrel_offset */
2440
2441 /* TLS local dynamic variable reference. */
2442 HOWTO (R_MICROMIPS_TLS_LDM, /* type */
2443 0, /* rightshift */
2444 2, /* size (0 = byte, 1 = short, 2 = long) */
2445 16, /* bitsize */
2446 false, /* pc_relative */
2447 0, /* bitpos */
2448 complain_overflow_signed, /* complain_on_overflow */
2449 _bfd_mips_elf_generic_reloc, /* special_function */
2450 "R_MICROMIPS_TLS_LDM", /* name */
2451 true, /* partial_inplace */
2452 0x0000ffff, /* src_mask */
2453 0x0000ffff, /* dst_mask */
2454 false), /* pcrel_offset */
2455
2456 /* TLS local dynamic offset. */
2457 HOWTO (R_MICROMIPS_TLS_DTPREL_HI16, /* type */
2458 0, /* rightshift */
2459 2, /* size (0 = byte, 1 = short, 2 = long) */
2460 16, /* bitsize */
2461 false, /* pc_relative */
2462 0, /* bitpos */
2463 complain_overflow_signed, /* complain_on_overflow */
2464 _bfd_mips_elf_generic_reloc, /* special_function */
2465 "R_MICROMIPS_TLS_DTPREL_HI16", /* name */
2466 true, /* partial_inplace */
2467 0x0000ffff, /* src_mask */
2468 0x0000ffff, /* dst_mask */
2469 false), /* pcrel_offset */
2470
2471 /* TLS local dynamic offset. */
2472 HOWTO (R_MICROMIPS_TLS_DTPREL_LO16, /* type */
2473 0, /* rightshift */
2474 2, /* size (0 = byte, 1 = short, 2 = long) */
2475 16, /* bitsize */
2476 false, /* pc_relative */
2477 0, /* bitpos */
2478 complain_overflow_signed, /* complain_on_overflow */
2479 _bfd_mips_elf_generic_reloc, /* special_function */
2480 "R_MICROMIPS_TLS_DTPREL_LO16", /* name */
2481 true, /* partial_inplace */
2482 0x0000ffff, /* src_mask */
2483 0x0000ffff, /* dst_mask */
2484 false), /* pcrel_offset */
2485
2486 /* TLS thread pointer offset. */
2487 HOWTO (R_MICROMIPS_TLS_GOTTPREL, /* type */
2488 0, /* rightshift */
2489 2, /* size (0 = byte, 1 = short, 2 = long) */
2490 16, /* bitsize */
2491 false, /* pc_relative */
2492 0, /* bitpos */
2493 complain_overflow_signed, /* complain_on_overflow */
2494 _bfd_mips_elf_generic_reloc, /* special_function */
2495 "R_MICROMIPS_TLS_GOTTPREL", /* name */
2496 true, /* partial_inplace */
2497 0x0000ffff, /* src_mask */
2498 0x0000ffff, /* dst_mask */
2499 false), /* pcrel_offset */
2500
2501 EMPTY_HOWTO (167),
2502 EMPTY_HOWTO (168),
2503
2504 /* TLS thread pointer offset. */
2505 HOWTO (R_MICROMIPS_TLS_TPREL_HI16, /* type */
2506 0, /* rightshift */
2507 2, /* size (0 = byte, 1 = short, 2 = long) */
2508 16, /* bitsize */
2509 false, /* pc_relative */
2510 0, /* bitpos */
2511 complain_overflow_signed, /* complain_on_overflow */
2512 _bfd_mips_elf_generic_reloc, /* special_function */
2513 "R_MICROMIPS_TLS_TPREL_HI16", /* name */
2514 true, /* partial_inplace */
2515 0x0000ffff, /* src_mask */
2516 0x0000ffff, /* dst_mask */
2517 false), /* pcrel_offset */
2518
2519 /* TLS thread pointer offset. */
2520 HOWTO (R_MICROMIPS_TLS_TPREL_LO16, /* type */
2521 0, /* rightshift */
2522 2, /* size (0 = byte, 1 = short, 2 = long) */
2523 16, /* bitsize */
2524 false, /* pc_relative */
2525 0, /* bitpos */
2526 complain_overflow_signed, /* complain_on_overflow */
2527 _bfd_mips_elf_generic_reloc, /* special_function */
2528 "R_MICROMIPS_TLS_TPREL_LO16", /* name */
2529 true, /* partial_inplace */
2530 0x0000ffff, /* src_mask */
2531 0x0000ffff, /* dst_mask */
2532 false), /* pcrel_offset */
2533
2534 EMPTY_HOWTO (171),
2535
2536 /* GP- and PC-relative relocations. */
2537 HOWTO (R_MICROMIPS_GPREL7_S2, /* type */
2538 2, /* rightshift */
2539 1, /* size (0 = byte, 1 = short, 2 = long) */
2540 7, /* bitsize */
2541 false, /* pc_relative */
2542 0, /* bitpos */
2543 complain_overflow_signed, /* complain_on_overflow */
2544 _bfd_mips_elf32_gprel16_reloc, /* special_function */
2545 "R_MICROMIPS_GPREL7_S2", /* name */
2546 true, /* partial_inplace */
2547 0x0000007f, /* src_mask */
2548 0x0000007f, /* dst_mask */
2549 false), /* pcrel_offset */
2550
2551 HOWTO (R_MICROMIPS_PC23_S2, /* type */
2552 2, /* rightshift */
2553 2, /* size (0 = byte, 1 = short, 2 = long) */
2554 23, /* bitsize */
2555 true, /* pc_relative */
2556 0, /* bitpos */
2557 complain_overflow_signed, /* complain_on_overflow */
2558 _bfd_mips_elf_generic_reloc, /* special_function */
2559 "R_MICROMIPS_PC23_S2", /* name */
2560 true, /* partial_inplace */
2561 0x007fffff, /* src_mask */
2562 0x007fffff, /* dst_mask */
2563 true), /* pcrel_offset */
2564 };
2565
2566 static reloc_howto_type elf_micromips_howto_table_rela[] =
2567 {
2568 EMPTY_HOWTO (130),
2569 EMPTY_HOWTO (131),
2570 EMPTY_HOWTO (132),
2571
2572 /* 26 bit jump address. */
2573 HOWTO (R_MICROMIPS_26_S1, /* type */
2574 1, /* rightshift */
2575 2, /* size (0 = byte, 1 = short, 2 = long) */
2576 26, /* bitsize */
2577 false, /* pc_relative */
2578 0, /* bitpos */
2579 complain_overflow_dont, /* complain_on_overflow */
2580 /* This needs complex overflow
2581 detection, because the upper four
2582 bits must match the PC. */
2583 _bfd_mips_elf_generic_reloc, /* special_function */
2584 "R_MICROMIPS_26_S1", /* name */
2585 false, /* partial_inplace */
2586 0, /* src_mask */
2587 0x3ffffff, /* dst_mask */
2588 false), /* pcrel_offset */
2589
2590 /* High 16 bits of symbol value. */
2591 HOWTO (R_MICROMIPS_HI16, /* type */
2592 16, /* rightshift */
2593 2, /* size (0 = byte, 1 = short, 2 = long) */
2594 16, /* bitsize */
2595 false, /* pc_relative */
2596 0, /* bitpos */
2597 complain_overflow_dont, /* complain_on_overflow */
2598 _bfd_mips_elf_hi16_reloc, /* special_function */
2599 "R_MICROMIPS_HI16", /* name */
2600 false, /* partial_inplace */
2601 0, /* src_mask */
2602 0x0000ffff, /* dst_mask */
2603 false), /* pcrel_offset */
2604
2605 /* Low 16 bits of symbol value. */
2606 HOWTO (R_MICROMIPS_LO16, /* type */
2607 0, /* rightshift */
2608 2, /* size (0 = byte, 1 = short, 2 = long) */
2609 16, /* bitsize */
2610 false, /* pc_relative */
2611 0, /* bitpos */
2612 complain_overflow_dont, /* complain_on_overflow */
2613 _bfd_mips_elf_lo16_reloc, /* special_function */
2614 "R_MICROMIPS_LO16", /* name */
2615 false, /* partial_inplace */
2616 0, /* src_mask */
2617 0x0000ffff, /* dst_mask */
2618 false), /* pcrel_offset */
2619
2620 /* GP relative reference. */
2621 HOWTO (R_MICROMIPS_GPREL16, /* type */
2622 0, /* rightshift */
2623 2, /* size (0 = byte, 1 = short, 2 = long) */
2624 16, /* bitsize */
2625 false, /* pc_relative */
2626 0, /* bitpos */
2627 complain_overflow_signed, /* complain_on_overflow */
2628 _bfd_mips_elf32_gprel16_reloc, /* special_function */
2629 "R_MICROMIPS_GPREL16", /* name */
2630 false, /* partial_inplace */
2631 0, /* src_mask */
2632 0x0000ffff, /* dst_mask */
2633 false), /* pcrel_offset */
2634
2635 /* Reference to literal section. */
2636 HOWTO (R_MICROMIPS_LITERAL, /* type */
2637 0, /* rightshift */
2638 2, /* size (0 = byte, 1 = short, 2 = long) */
2639 16, /* bitsize */
2640 false, /* pc_relative */
2641 0, /* bitpos */
2642 complain_overflow_signed, /* complain_on_overflow */
2643 _bfd_mips_elf32_gprel16_reloc, /* special_function */
2644 "R_MICROMIPS_LITERAL", /* name */
2645 false, /* partial_inplace */
2646 0, /* src_mask */
2647 0x0000ffff, /* dst_mask */
2648 false), /* pcrel_offset */
2649
2650 /* Reference to global offset table. */
2651 HOWTO (R_MICROMIPS_GOT16, /* type */
2652 0, /* rightshift */
2653 2, /* size (0 = byte, 1 = short, 2 = long) */
2654 16, /* bitsize */
2655 false, /* pc_relative */
2656 0, /* bitpos */
2657 complain_overflow_signed, /* complain_on_overflow */
2658 _bfd_mips_elf_got16_reloc, /* special_function */
2659 "R_MICROMIPS_GOT16", /* name */
2660 false, /* partial_inplace */
2661 0, /* src_mask */
2662 0x0000ffff, /* dst_mask */
2663 false), /* pcrel_offset */
2664
2665 /* This is for microMIPS branches. */
2666 HOWTO (R_MICROMIPS_PC7_S1, /* type */
2667 1, /* rightshift */
2668 1, /* size (0 = byte, 1 = short, 2 = long) */
2669 7, /* bitsize */
2670 true, /* pc_relative */
2671 0, /* bitpos */
2672 complain_overflow_signed, /* complain_on_overflow */
2673 _bfd_mips_elf_generic_reloc, /* special_function */
2674 "R_MICROMIPS_PC7_S1", /* name */
2675 false, /* partial_inplace */
2676 0, /* src_mask */
2677 0x0000007f, /* dst_mask */
2678 true), /* pcrel_offset */
2679
2680 HOWTO (R_MICROMIPS_PC10_S1, /* type */
2681 1, /* rightshift */
2682 1, /* size (0 = byte, 1 = short, 2 = long) */
2683 10, /* bitsize */
2684 true, /* pc_relative */
2685 0, /* bitpos */
2686 complain_overflow_signed, /* complain_on_overflow */
2687 _bfd_mips_elf_generic_reloc, /* special_function */
2688 "R_MICROMIPS_PC10_S1", /* name */
2689 false, /* partial_inplace */
2690 0, /* src_mask */
2691 0x000003ff, /* dst_mask */
2692 true), /* pcrel_offset */
2693
2694 HOWTO (R_MICROMIPS_PC16_S1, /* type */
2695 1, /* rightshift */
2696 2, /* size (0 = byte, 1 = short, 2 = long) */
2697 16, /* bitsize */
2698 true, /* pc_relative */
2699 0, /* bitpos */
2700 complain_overflow_signed, /* complain_on_overflow */
2701 _bfd_mips_elf_generic_reloc, /* special_function */
2702 "R_MICROMIPS_PC16_S1", /* name */
2703 false, /* partial_inplace */
2704 0, /* src_mask */
2705 0x0000ffff, /* dst_mask */
2706 true), /* pcrel_offset */
2707
2708 /* 16 bit call through global offset table. */
2709 HOWTO (R_MICROMIPS_CALL16, /* type */
2710 0, /* rightshift */
2711 2, /* size (0 = byte, 1 = short, 2 = long) */
2712 16, /* bitsize */
2713 false, /* pc_relative */
2714 0, /* bitpos */
2715 complain_overflow_signed, /* complain_on_overflow */
2716 _bfd_mips_elf_generic_reloc, /* special_function */
2717 "R_MICROMIPS_CALL16", /* name */
2718 false, /* partial_inplace */
2719 0, /* src_mask */
2720 0x0000ffff, /* dst_mask */
2721 false), /* pcrel_offset */
2722
2723 EMPTY_HOWTO (143),
2724 EMPTY_HOWTO (144),
2725
2726 /* Displacement in the global offset table. */
2727 HOWTO (R_MICROMIPS_GOT_DISP, /* type */
2728 0, /* rightshift */
2729 2, /* size (0 = byte, 1 = short, 2 = long) */
2730 16, /* bitsize */
2731 false, /* pc_relative */
2732 0, /* bitpos */
2733 complain_overflow_signed, /* complain_on_overflow */
2734 _bfd_mips_elf_generic_reloc, /* special_function */
2735 "R_MICROMIPS_GOT_DISP",/* name */
2736 false, /* partial_inplace */
2737 0, /* src_mask */
2738 0x0000ffff, /* dst_mask */
2739 false), /* pcrel_offset */
2740
2741 /* Displacement to page pointer in the global offset table. */
2742 HOWTO (R_MICROMIPS_GOT_PAGE, /* type */
2743 0, /* rightshift */
2744 2, /* size (0 = byte, 1 = short, 2 = long) */
2745 16, /* bitsize */
2746 false, /* pc_relative */
2747 0, /* bitpos */
2748 complain_overflow_signed, /* complain_on_overflow */
2749 _bfd_mips_elf_generic_reloc, /* special_function */
2750 "R_MICROMIPS_GOT_PAGE",/* name */
2751 false, /* partial_inplace */
2752 0, /* src_mask */
2753 0x0000ffff, /* dst_mask */
2754 false), /* pcrel_offset */
2755
2756 /* Offset from page pointer in the global offset table. */
2757 HOWTO (R_MICROMIPS_GOT_OFST, /* type */
2758 0, /* rightshift */
2759 2, /* size (0 = byte, 1 = short, 2 = long) */
2760 16, /* bitsize */
2761 false, /* pc_relative */
2762 0, /* bitpos */
2763 complain_overflow_signed, /* complain_on_overflow */
2764 _bfd_mips_elf_generic_reloc, /* special_function */
2765 "R_MICROMIPS_GOT_OFST",/* name */
2766 false, /* partial_inplace */
2767 0, /* src_mask */
2768 0x0000ffff, /* dst_mask */
2769 false), /* pcrel_offset */
2770
2771 /* High 16 bits of displacement in global offset table. */
2772 HOWTO (R_MICROMIPS_GOT_HI16, /* type */
2773 0, /* rightshift */
2774 2, /* size (0 = byte, 1 = short, 2 = long) */
2775 16, /* bitsize */
2776 false, /* pc_relative */
2777 0, /* bitpos */
2778 complain_overflow_dont, /* complain_on_overflow */
2779 _bfd_mips_elf_generic_reloc, /* special_function */
2780 "R_MICROMIPS_GOT_HI16",/* name */
2781 false, /* partial_inplace */
2782 0, /* src_mask */
2783 0x0000ffff, /* dst_mask */
2784 false), /* pcrel_offset */
2785
2786 /* Low 16 bits of displacement in global offset table. */
2787 HOWTO (R_MICROMIPS_GOT_LO16, /* type */
2788 0, /* rightshift */
2789 2, /* size (0 = byte, 1 = short, 2 = long) */
2790 16, /* bitsize */
2791 false, /* pc_relative */
2792 0, /* bitpos */
2793 complain_overflow_dont, /* complain_on_overflow */
2794 _bfd_mips_elf_generic_reloc, /* special_function */
2795 "R_MICROMIPS_GOT_LO16",/* name */
2796 false, /* partial_inplace */
2797 0, /* src_mask */
2798 0x0000ffff, /* dst_mask */
2799 false), /* pcrel_offset */
2800
2801 /* 64 bit subtraction. Used in the N32 ABI. */
2802 HOWTO (R_MICROMIPS_SUB, /* type */
2803 0, /* rightshift */
2804 4, /* size (0 = byte, 1 = short, 2 = long) */
2805 64, /* bitsize */
2806 false, /* pc_relative */
2807 0, /* bitpos */
2808 complain_overflow_dont, /* complain_on_overflow */
2809 _bfd_mips_elf_generic_reloc, /* special_function */
2810 "R_MICROMIPS_SUB", /* name */
2811 false, /* partial_inplace */
2812 0, /* src_mask */
2813 MINUS_ONE, /* dst_mask */
2814 false), /* pcrel_offset */
2815
2816 /* Get the higher value of a 64 bit addend. */
2817 HOWTO (R_MICROMIPS_HIGHER, /* type */
2818 0, /* rightshift */
2819 2, /* size (0 = byte, 1 = short, 2 = long) */
2820 16, /* bitsize */
2821 false, /* pc_relative */
2822 0, /* bitpos */
2823 complain_overflow_dont, /* complain_on_overflow */
2824 _bfd_mips_elf_generic_reloc, /* special_function */
2825 "R_MICROMIPS_HIGHER", /* name */
2826 false, /* partial_inplace */
2827 0, /* src_mask */
2828 0x0000ffff, /* dst_mask */
2829 false), /* pcrel_offset */
2830
2831 /* Get the highest value of a 64 bit addend. */
2832 HOWTO (R_MICROMIPS_HIGHEST, /* type */
2833 0, /* rightshift */
2834 2, /* size (0 = byte, 1 = short, 2 = long) */
2835 16, /* bitsize */
2836 false, /* pc_relative */
2837 0, /* bitpos */
2838 complain_overflow_dont, /* complain_on_overflow */
2839 _bfd_mips_elf_generic_reloc, /* special_function */
2840 "R_MICROMIPS_HIGHEST", /* name */
2841 false, /* partial_inplace */
2842 0, /* src_mask */
2843 0x0000ffff, /* dst_mask */
2844 false), /* pcrel_offset */
2845
2846 /* High 16 bits of displacement in global offset table. */
2847 HOWTO (R_MICROMIPS_CALL_HI16, /* type */
2848 0, /* rightshift */
2849 2, /* size (0 = byte, 1 = short, 2 = long) */
2850 16, /* bitsize */
2851 false, /* pc_relative */
2852 0, /* bitpos */
2853 complain_overflow_dont, /* complain_on_overflow */
2854 _bfd_mips_elf_generic_reloc, /* special_function */
2855 "R_MICROMIPS_CALL_HI16",/* name */
2856 false, /* partial_inplace */
2857 0, /* src_mask */
2858 0x0000ffff, /* dst_mask */
2859 false), /* pcrel_offset */
2860
2861 /* Low 16 bits of displacement in global offset table. */
2862 HOWTO (R_MICROMIPS_CALL_LO16, /* type */
2863 0, /* rightshift */
2864 2, /* size (0 = byte, 1 = short, 2 = long) */
2865 16, /* bitsize */
2866 false, /* pc_relative */
2867 0, /* bitpos */
2868 complain_overflow_dont, /* complain_on_overflow */
2869 _bfd_mips_elf_generic_reloc, /* special_function */
2870 "R_MICROMIPS_CALL_LO16",/* name */
2871 false, /* partial_inplace */
2872 0, /* src_mask */
2873 0x0000ffff, /* dst_mask */
2874 false), /* pcrel_offset */
2875
2876 /* Section displacement. */
2877 HOWTO (R_MICROMIPS_SCN_DISP, /* type */
2878 0, /* rightshift */
2879 2, /* size (0 = byte, 1 = short, 2 = long) */
2880 32, /* bitsize */
2881 false, /* pc_relative */
2882 0, /* bitpos */
2883 complain_overflow_dont, /* complain_on_overflow */
2884 _bfd_mips_elf_generic_reloc, /* special_function */
2885 "R_MICROMIPS_SCN_DISP", /* name */
2886 false, /* partial_inplace */
2887 0, /* src_mask */
2888 0xffffffff, /* dst_mask */
2889 false), /* pcrel_offset */
2890
2891 /* Protected jump conversion. This is an optimization hint. No
2892 relocation is required for correctness. */
2893 HOWTO (R_MICROMIPS_JALR, /* type */
2894 0, /* rightshift */
2895 2, /* size (0 = byte, 1 = short, 2 = long) */
2896 32, /* bitsize */
2897 false, /* pc_relative */
2898 0, /* bitpos */
2899 complain_overflow_dont, /* complain_on_overflow */
2900 _bfd_mips_elf_generic_reloc, /* special_function */
2901 "R_MICROMIPS_JALR", /* name */
2902 false, /* partial_inplace */
2903 0, /* src_mask */
2904 0x00000000, /* dst_mask */
2905 false), /* pcrel_offset */
2906
2907 /* Low 16 bits of symbol value. Note that the high 16 bits of symbol values
2908 must be zero. This is used for relaxation. */
2909 HOWTO (R_MICROMIPS_HI0_LO16, /* type */
2910 0, /* rightshift */
2911 2, /* size (0 = byte, 1 = short, 2 = long) */
2912 16, /* bitsize */
2913 false, /* pc_relative */
2914 0, /* bitpos */
2915 complain_overflow_dont, /* complain_on_overflow */
2916 _bfd_mips_elf_generic_reloc, /* special_function */
2917 "R_MICROMIPS_HI0_LO16",/* name */
2918 false, /* partial_inplace */
2919 0, /* src_mask */
2920 0x0000ffff, /* dst_mask */
2921 false), /* pcrel_offset */
2922
2923 EMPTY_HOWTO (158),
2924 EMPTY_HOWTO (159),
2925 EMPTY_HOWTO (160),
2926 EMPTY_HOWTO (161),
2927
2928 /* TLS general dynamic variable reference. */
2929 HOWTO (R_MICROMIPS_TLS_GD, /* type */
2930 0, /* rightshift */
2931 2, /* size (0 = byte, 1 = short, 2 = long) */
2932 16, /* bitsize */
2933 false, /* pc_relative */
2934 0, /* bitpos */
2935 complain_overflow_signed, /* complain_on_overflow */
2936 _bfd_mips_elf_generic_reloc, /* special_function */
2937 "R_MICROMIPS_TLS_GD", /* name */
2938 false, /* partial_inplace */
2939 0, /* src_mask */
2940 0x0000ffff, /* dst_mask */
2941 false), /* pcrel_offset */
2942
2943 /* TLS local dynamic variable reference. */
2944 HOWTO (R_MICROMIPS_TLS_LDM, /* type */
2945 0, /* rightshift */
2946 2, /* size (0 = byte, 1 = short, 2 = long) */
2947 16, /* bitsize */
2948 false, /* pc_relative */
2949 0, /* bitpos */
2950 complain_overflow_signed, /* complain_on_overflow */
2951 _bfd_mips_elf_generic_reloc, /* special_function */
2952 "R_MICROMIPS_TLS_LDM", /* name */
2953 false, /* partial_inplace */
2954 0, /* src_mask */
2955 0x0000ffff, /* dst_mask */
2956 false), /* pcrel_offset */
2957
2958 /* TLS local dynamic offset. */
2959 HOWTO (R_MICROMIPS_TLS_DTPREL_HI16, /* type */
2960 0, /* rightshift */
2961 2, /* size (0 = byte, 1 = short, 2 = long) */
2962 16, /* bitsize */
2963 false, /* pc_relative */
2964 0, /* bitpos */
2965 complain_overflow_signed, /* complain_on_overflow */
2966 _bfd_mips_elf_generic_reloc, /* special_function */
2967 "R_MICROMIPS_TLS_DTPREL_HI16", /* name */
2968 false, /* partial_inplace */
2969 0, /* src_mask */
2970 0x0000ffff, /* dst_mask */
2971 false), /* pcrel_offset */
2972
2973 /* TLS local dynamic offset. */
2974 HOWTO (R_MICROMIPS_TLS_DTPREL_LO16, /* type */
2975 0, /* rightshift */
2976 2, /* size (0 = byte, 1 = short, 2 = long) */
2977 16, /* bitsize */
2978 false, /* pc_relative */
2979 0, /* bitpos */
2980 complain_overflow_signed, /* complain_on_overflow */
2981 _bfd_mips_elf_generic_reloc, /* special_function */
2982 "R_MICROMIPS_TLS_DTPREL_LO16", /* name */
2983 false, /* partial_inplace */
2984 0, /* src_mask */
2985 0x0000ffff, /* dst_mask */
2986 false), /* pcrel_offset */
2987
2988 /* TLS thread pointer offset. */
2989 HOWTO (R_MICROMIPS_TLS_GOTTPREL, /* type */
2990 0, /* rightshift */
2991 2, /* size (0 = byte, 1 = short, 2 = long) */
2992 16, /* bitsize */
2993 false, /* pc_relative */
2994 0, /* bitpos */
2995 complain_overflow_signed, /* complain_on_overflow */
2996 _bfd_mips_elf_generic_reloc, /* special_function */
2997 "R_MICROMIPS_TLS_GOTTPREL", /* name */
2998 false, /* partial_inplace */
2999 0, /* src_mask */
3000 0x0000ffff, /* dst_mask */
3001 false), /* pcrel_offset */
3002
3003 EMPTY_HOWTO (167),
3004 EMPTY_HOWTO (168),
3005
3006 /* TLS thread pointer offset. */
3007 HOWTO (R_MICROMIPS_TLS_TPREL_HI16, /* type */
3008 0, /* rightshift */
3009 2, /* size (0 = byte, 1 = short, 2 = long) */
3010 16, /* bitsize */
3011 false, /* pc_relative */
3012 0, /* bitpos */
3013 complain_overflow_signed, /* complain_on_overflow */
3014 _bfd_mips_elf_generic_reloc, /* special_function */
3015 "R_MICROMIPS_TLS_TPREL_HI16", /* name */
3016 false, /* partial_inplace */
3017 0, /* src_mask */
3018 0x0000ffff, /* dst_mask */
3019 false), /* pcrel_offset */
3020
3021 /* TLS thread pointer offset. */
3022 HOWTO (R_MICROMIPS_TLS_TPREL_LO16, /* type */
3023 0, /* rightshift */
3024 2, /* size (0 = byte, 1 = short, 2 = long) */
3025 16, /* bitsize */
3026 false, /* pc_relative */
3027 0, /* bitpos */
3028 complain_overflow_signed, /* complain_on_overflow */
3029 _bfd_mips_elf_generic_reloc, /* special_function */
3030 "R_MICROMIPS_TLS_TPREL_LO16", /* name */
3031 false, /* partial_inplace */
3032 0, /* src_mask */
3033 0x0000ffff, /* dst_mask */
3034 false), /* pcrel_offset */
3035
3036 EMPTY_HOWTO (171),
3037
3038 /* GP- and PC-relative relocations. */
3039 HOWTO (R_MICROMIPS_GPREL7_S2, /* type */
3040 2, /* rightshift */
3041 1, /* size (0 = byte, 1 = short, 2 = long) */
3042 7, /* bitsize */
3043 false, /* pc_relative */
3044 0, /* bitpos */
3045 complain_overflow_signed, /* complain_on_overflow */
3046 _bfd_mips_elf32_gprel16_reloc, /* special_function */
3047 "R_MICROMIPS_GPREL7_S2", /* name */
3048 false, /* partial_inplace */
3049 0, /* src_mask */
3050 0x0000007f, /* dst_mask */
3051 false), /* pcrel_offset */
3052
3053 HOWTO (R_MICROMIPS_PC23_S2, /* type */
3054 2, /* rightshift */
3055 2, /* size (0 = byte, 1 = short, 2 = long) */
3056 23, /* bitsize */
3057 true, /* pc_relative */
3058 0, /* bitpos */
3059 complain_overflow_signed, /* complain_on_overflow */
3060 _bfd_mips_elf_generic_reloc, /* special_function */
3061 "R_MICROMIPS_PC23_S2", /* name */
3062 false, /* partial_inplace */
3063 0, /* src_mask */
3064 0x007fffff, /* dst_mask */
3065 true), /* pcrel_offset */
3066 };
3067
3068 /* GNU extension to record C++ vtable hierarchy */
3069 static reloc_howto_type elf_mips_gnu_vtinherit_howto =
3070 HOWTO (R_MIPS_GNU_VTINHERIT, /* type */
3071 0, /* rightshift */
3072 2, /* size (0 = byte, 1 = short, 2 = long) */
3073 0, /* bitsize */
3074 false, /* pc_relative */
3075 0, /* bitpos */
3076 complain_overflow_dont, /* complain_on_overflow */
3077 NULL, /* special_function */
3078 "R_MIPS_GNU_VTINHERIT", /* name */
3079 false, /* partial_inplace */
3080 0, /* src_mask */
3081 0, /* dst_mask */
3082 false); /* pcrel_offset */
3083
3084 /* GNU extension to record C++ vtable member usage */
3085 static reloc_howto_type elf_mips_gnu_vtentry_howto =
3086 HOWTO (R_MIPS_GNU_VTENTRY, /* type */
3087 0, /* rightshift */
3088 2, /* size (0 = byte, 1 = short, 2 = long) */
3089 0, /* bitsize */
3090 false, /* pc_relative */
3091 0, /* bitpos */
3092 complain_overflow_dont, /* complain_on_overflow */
3093 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
3094 "R_MIPS_GNU_VTENTRY", /* name */
3095 false, /* partial_inplace */
3096 0, /* src_mask */
3097 0, /* dst_mask */
3098 false); /* pcrel_offset */
3099
3100 /* 16 bit offset for pc-relative branches. */
3101 static reloc_howto_type elf_mips_gnu_rel16_s2 =
3102 HOWTO (R_MIPS_GNU_REL16_S2, /* type */
3103 2, /* rightshift */
3104 2, /* size (0 = byte, 1 = short, 2 = long) */
3105 16, /* bitsize */
3106 true, /* pc_relative */
3107 0, /* bitpos */
3108 complain_overflow_signed, /* complain_on_overflow */
3109 _bfd_mips_elf_generic_reloc, /* special_function */
3110 "R_MIPS_GNU_REL16_S2", /* name */
3111 true, /* partial_inplace */
3112 0x0000ffff, /* src_mask */
3113 0x0000ffff, /* dst_mask */
3114 true); /* pcrel_offset */
3115
3116 /* 16 bit offset for pc-relative branches. */
3117 static reloc_howto_type elf_mips_gnu_rela16_s2 =
3118 HOWTO (R_MIPS_GNU_REL16_S2, /* type */
3119 2, /* rightshift */
3120 2, /* size (0 = byte, 1 = short, 2 = long) */
3121 16, /* bitsize */
3122 true, /* pc_relative */
3123 0, /* bitpos */
3124 complain_overflow_signed, /* complain_on_overflow */
3125 _bfd_mips_elf_generic_reloc, /* special_function */
3126 "R_MIPS_GNU_REL16_S2", /* name */
3127 false, /* partial_inplace */
3128 0, /* src_mask */
3129 0x0000ffff, /* dst_mask */
3130 true); /* pcrel_offset */
3131
3132 /* 32 bit pc-relative. Used for compact EH tables. */
3133 static reloc_howto_type elf_mips_gnu_pcrel32 =
3134 HOWTO (R_MIPS_PC32, /* type */
3135 0, /* rightshift */
3136 2, /* size (0 = byte, 1 = short, 2 = long) */
3137 32, /* bitsize */
3138 true, /* pc_relative */
3139 0, /* bitpos */
3140 complain_overflow_signed, /* complain_on_overflow */
3141 _bfd_mips_elf_generic_reloc, /* special_function */
3142 "R_MIPS_PC32", /* name */
3143 true, /* partial_inplace */
3144 0xffffffff, /* src_mask */
3145 0xffffffff, /* dst_mask */
3146 true); /* pcrel_offset */
3147
3148
3149 /* Originally a VxWorks extension, but now used for other systems too. */
3150 static reloc_howto_type elf_mips_copy_howto =
3151 HOWTO (R_MIPS_COPY, /* type */
3152 0, /* rightshift */
3153 0, /* this one is variable size */
3154 0, /* bitsize */
3155 false, /* pc_relative */
3156 0, /* bitpos */
3157 complain_overflow_bitfield, /* complain_on_overflow */
3158 _bfd_mips_elf_generic_reloc, /* special_function */
3159 "R_MIPS_COPY", /* name */
3160 false, /* partial_inplace */
3161 0x0, /* src_mask */
3162 0x0, /* dst_mask */
3163 false); /* pcrel_offset */
3164
3165 /* Originally a VxWorks extension, but now used for other systems too. */
3166 static reloc_howto_type elf_mips_jump_slot_howto =
3167 HOWTO (R_MIPS_JUMP_SLOT, /* type */
3168 0, /* rightshift */
3169 2, /* size (0 = byte, 1 = short, 2 = long) */
3170 32, /* bitsize */
3171 false, /* pc_relative */
3172 0, /* bitpos */
3173 complain_overflow_bitfield, /* complain_on_overflow */
3174 _bfd_mips_elf_generic_reloc, /* special_function */
3175 "R_MIPS_JUMP_SLOT", /* name */
3176 false, /* partial_inplace */
3177 0x0, /* src_mask */
3178 0x0, /* dst_mask */
3179 false); /* pcrel_offset */
3180
3181 /* Used in EH tables. */
3182 static reloc_howto_type elf_mips_eh_howto =
3183 HOWTO (R_MIPS_EH, /* type */
3184 0, /* rightshift */
3185 2, /* size (0 = byte, 1 = short, 2 = long) */
3186 32, /* bitsize */
3187 false, /* pc_relative */
3188 0, /* bitpos */
3189 complain_overflow_signed, /* complain_on_overflow */
3190 _bfd_mips_elf_generic_reloc, /* special_function */
3191 "R_MIPS_EH", /* name */
3192 true, /* partial_inplace */
3193 0xffffffff, /* src_mask */
3194 0xffffffff, /* dst_mask */
3195 false); /* pcrel_offset */
3196
3197
3198 /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a
3199 dangerous relocation. */
3200
3201 static bool
mips_elf_assign_gp(bfd * output_bfd,bfd_vma * pgp)3202 mips_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp)
3203 {
3204 unsigned int count;
3205 asymbol **sym;
3206 unsigned int i;
3207
3208 /* If we've already figured out what GP will be, just return it. */
3209 *pgp = _bfd_get_gp_value (output_bfd);
3210 if (*pgp)
3211 return true;
3212
3213 count = bfd_get_symcount (output_bfd);
3214 sym = bfd_get_outsymbols (output_bfd);
3215
3216 /* The linker script will have created a symbol named `_gp' with the
3217 appropriate value. */
3218 if (sym == NULL)
3219 i = count;
3220 else
3221 {
3222 for (i = 0; i < count; i++, sym++)
3223 {
3224 register const char *name;
3225
3226 name = bfd_asymbol_name (*sym);
3227 if (*name == '_' && strcmp (name, "_gp") == 0)
3228 {
3229 *pgp = bfd_asymbol_value (*sym);
3230 _bfd_set_gp_value (output_bfd, *pgp);
3231 break;
3232 }
3233 }
3234 }
3235
3236 if (i >= count)
3237 {
3238 /* Only get the error once. */
3239 *pgp = 4;
3240 _bfd_set_gp_value (output_bfd, *pgp);
3241 return false;
3242 }
3243
3244 return true;
3245 }
3246
3247 /* We have to figure out the gp value, so that we can adjust the
3248 symbol value correctly. We look up the symbol _gp in the output
3249 BFD. If we can't find it, we're stuck. We cache it in the ELF
3250 target data. We don't need to adjust the symbol value for an
3251 external symbol if we are producing relocatable output. */
3252
3253 static bfd_reloc_status_type
mips_elf_final_gp(bfd * output_bfd,asymbol * symbol,bool relocatable,char ** error_message,bfd_vma * pgp)3254 mips_elf_final_gp (bfd *output_bfd, asymbol *symbol, bool relocatable,
3255 char **error_message, bfd_vma *pgp)
3256 {
3257 if (bfd_is_und_section (symbol->section)
3258 && ! relocatable)
3259 {
3260 *pgp = 0;
3261 return bfd_reloc_undefined;
3262 }
3263
3264 *pgp = _bfd_get_gp_value (output_bfd);
3265 if (*pgp == 0
3266 && (! relocatable
3267 || (symbol->flags & BSF_SECTION_SYM) != 0))
3268 {
3269 if (relocatable)
3270 {
3271 /* Make up a value. */
3272 *pgp = symbol->section->output_section->vma /*+ 0x4000*/;
3273 _bfd_set_gp_value (output_bfd, *pgp);
3274 }
3275 else if (!mips_elf_assign_gp (output_bfd, pgp))
3276 {
3277 *error_message =
3278 (char *) _("GP relative relocation when _gp not defined");
3279 return bfd_reloc_dangerous;
3280 }
3281 }
3282
3283 return bfd_reloc_ok;
3284 }
3285
3286 /* Do a R_MIPS_GPREL16 relocation. This is a 16 bit value which must
3287 become the offset from the gp register. */
3288
3289 static bfd_reloc_status_type
mips_elf_gprel16_reloc(bfd * abfd ATTRIBUTE_UNUSED,arelent * reloc_entry,asymbol * symbol,void * data ATTRIBUTE_UNUSED,asection * input_section,bfd * output_bfd,char ** error_message ATTRIBUTE_UNUSED)3290 mips_elf_gprel16_reloc (bfd *abfd ATTRIBUTE_UNUSED, arelent *reloc_entry,
3291 asymbol *symbol, void *data ATTRIBUTE_UNUSED,
3292 asection *input_section, bfd *output_bfd,
3293 char **error_message ATTRIBUTE_UNUSED)
3294 {
3295 bool relocatable;
3296 bfd_reloc_status_type ret;
3297 bfd_vma gp;
3298
3299 if (output_bfd != NULL)
3300 relocatable = true;
3301 else
3302 {
3303 relocatable = false;
3304 output_bfd = symbol->section->output_section->owner;
3305 }
3306
3307 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message,
3308 &gp);
3309 if (ret != bfd_reloc_ok)
3310 return ret;
3311
3312 return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
3313 input_section, relocatable,
3314 data, gp);
3315 }
3316
3317 /* Do a R_MIPS_LITERAL relocation. */
3318
3319 static bfd_reloc_status_type
mips_elf_literal_reloc(bfd * abfd,arelent * reloc_entry,asymbol * symbol,void * data,asection * input_section,bfd * output_bfd,char ** error_message)3320 mips_elf_literal_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
3321 void *data, asection *input_section, bfd *output_bfd,
3322 char **error_message)
3323 {
3324 bool relocatable;
3325 bfd_reloc_status_type ret;
3326 bfd_vma gp;
3327
3328 /* R_MIPS_LITERAL relocations are defined for local symbols only. */
3329 if (output_bfd != NULL
3330 && (symbol->flags & BSF_SECTION_SYM) == 0
3331 && (symbol->flags & BSF_LOCAL) != 0)
3332 {
3333 *error_message = (char *)
3334 _("literal relocation occurs for an external symbol");
3335 return bfd_reloc_outofrange;
3336 }
3337
3338 /* FIXME: The entries in the .lit8 and .lit4 sections should be merged. */
3339 if (output_bfd != NULL)
3340 relocatable = true;
3341 else
3342 {
3343 relocatable = false;
3344 output_bfd = symbol->section->output_section->owner;
3345 }
3346
3347 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message,
3348 &gp);
3349 if (ret != bfd_reloc_ok)
3350 return ret;
3351
3352 return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
3353 input_section, relocatable,
3354 data, gp);
3355 }
3356
3357 /* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must
3358 become the offset from the gp register. */
3359
3360 static bfd_reloc_status_type
mips_elf_gprel32_reloc(bfd * abfd,arelent * reloc_entry,asymbol * symbol,void * data,asection * input_section,bfd * output_bfd,char ** error_message)3361 mips_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
3362 void *data, asection *input_section, bfd *output_bfd,
3363 char **error_message)
3364 {
3365 bool relocatable;
3366 bfd_reloc_status_type ret;
3367 bfd_vma gp;
3368
3369 /* R_MIPS_GPREL32 relocations are defined for local symbols only. */
3370 if (output_bfd != NULL
3371 && (symbol->flags & BSF_SECTION_SYM) == 0
3372 && (symbol->flags & BSF_LOCAL) != 0)
3373 {
3374 *error_message = (char *)
3375 _("32bits gp relative relocation occurs for an external symbol");
3376 return bfd_reloc_outofrange;
3377 }
3378
3379 if (output_bfd != NULL)
3380 {
3381 relocatable = true;
3382 gp = _bfd_get_gp_value (output_bfd);
3383 }
3384 else
3385 {
3386 relocatable = false;
3387 output_bfd = symbol->section->output_section->owner;
3388
3389 ret = mips_elf_final_gp (output_bfd, symbol, relocatable,
3390 error_message, &gp);
3391 if (ret != bfd_reloc_ok)
3392 return ret;
3393 }
3394
3395 return gprel32_with_gp (abfd, symbol, reloc_entry, input_section,
3396 relocatable, data, gp);
3397 }
3398
3399 static bfd_reloc_status_type
gprel32_with_gp(bfd * abfd,asymbol * symbol,arelent * reloc_entry,asection * input_section,bool relocatable,void * data,bfd_vma gp)3400 gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry,
3401 asection *input_section, bool relocatable,
3402 void *data, bfd_vma gp)
3403 {
3404 bfd_vma relocation;
3405 unsigned long val;
3406
3407 if (bfd_is_com_section (symbol->section))
3408 relocation = 0;
3409 else
3410 relocation = symbol->value;
3411
3412 relocation += symbol->section->output_section->vma;
3413 relocation += symbol->section->output_offset;
3414
3415 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
3416 return bfd_reloc_outofrange;
3417
3418 if (reloc_entry->howto->src_mask == 0)
3419 val = 0;
3420 else
3421 val = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
3422
3423 /* Set val to the offset into the section or symbol. */
3424 val += reloc_entry->addend;
3425
3426 /* Adjust val for the final section location and GP value. If we
3427 are producing relocatable output, we don't want to do this for
3428 an external symbol. */
3429 if (! relocatable
3430 || (symbol->flags & BSF_SECTION_SYM) != 0)
3431 val += relocation - gp;
3432
3433 bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address);
3434
3435 if (relocatable)
3436 reloc_entry->address += input_section->output_offset;
3437
3438 return bfd_reloc_ok;
3439 }
3440
3441 /* Do a R_MIPS_SHIFT6 relocation. The MSB of the shift is stored at bit 2,
3442 the rest is at bits 6-10. The bitpos already got right by the howto. */
3443
3444 static bfd_reloc_status_type
mips_elf_shift6_reloc(bfd * abfd,arelent * reloc_entry,asymbol * symbol,void * data,asection * input_section,bfd * output_bfd,char ** error_message)3445 mips_elf_shift6_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
3446 void *data, asection *input_section, bfd *output_bfd,
3447 char **error_message)
3448 {
3449 if (reloc_entry->howto->partial_inplace)
3450 {
3451 reloc_entry->addend = ((reloc_entry->addend & 0x00007c0)
3452 | (reloc_entry->addend & 0x00000800) >> 9);
3453 }
3454
3455 return _bfd_mips_elf_generic_reloc (abfd, reloc_entry, symbol, data,
3456 input_section, output_bfd,
3457 error_message);
3458 }
3459
3460 /* Handle a mips16 GP relative reloc. */
3461
3462 static bfd_reloc_status_type
mips16_gprel_reloc(bfd * abfd,arelent * reloc_entry,asymbol * symbol,void * data,asection * input_section,bfd * output_bfd,char ** error_message)3463 mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
3464 void *data, asection *input_section, bfd *output_bfd,
3465 char **error_message)
3466 {
3467 bool relocatable;
3468 bfd_reloc_status_type ret;
3469 bfd_byte *location;
3470 bfd_vma gp;
3471
3472 /* If we're relocating, and this is an external symbol, we don't want
3473 to change anything. */
3474 if (output_bfd != NULL
3475 && (symbol->flags & BSF_SECTION_SYM) == 0
3476 && (symbol->flags & BSF_LOCAL) != 0)
3477 {
3478 reloc_entry->address += input_section->output_offset;
3479 return bfd_reloc_ok;
3480 }
3481
3482 if (output_bfd != NULL)
3483 relocatable = true;
3484 else
3485 {
3486 relocatable = false;
3487 output_bfd = symbol->section->output_section->owner;
3488 }
3489
3490 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message,
3491 &gp);
3492 if (ret != bfd_reloc_ok)
3493 return ret;
3494
3495 location = (bfd_byte *) data + reloc_entry->address;
3496 _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, false,
3497 location);
3498 ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
3499 input_section, relocatable,
3500 data, gp);
3501 _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable,
3502 location);
3503
3504 return ret;
3505 }
3506
3507 /* A mapping from BFD reloc types to MIPS ELF reloc types. */
3508
3509 struct elf_reloc_map {
3510 bfd_reloc_code_real_type bfd_val;
3511 enum elf_mips_reloc_type elf_val;
3512 };
3513
3514 static const struct elf_reloc_map mips_reloc_map[] =
3515 {
3516 { BFD_RELOC_NONE, R_MIPS_NONE },
3517 { BFD_RELOC_16, R_MIPS_16 },
3518 { BFD_RELOC_32, R_MIPS_32 },
3519 /* There is no BFD reloc for R_MIPS_REL32. */
3520 { BFD_RELOC_CTOR, R_MIPS_32 },
3521 { BFD_RELOC_64, R_MIPS_64 },
3522 { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 },
3523 { BFD_RELOC_HI16_S, R_MIPS_HI16 },
3524 { BFD_RELOC_LO16, R_MIPS_LO16 },
3525 { BFD_RELOC_GPREL16, R_MIPS_GPREL16 },
3526 { BFD_RELOC_GPREL32, R_MIPS_GPREL32 },
3527 { BFD_RELOC_MIPS_JMP, R_MIPS_26 },
3528 { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL },
3529 { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 },
3530 { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 },
3531 { BFD_RELOC_MIPS_SHIFT5, R_MIPS_SHIFT5 },
3532 { BFD_RELOC_MIPS_SHIFT6, R_MIPS_SHIFT6 },
3533 { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP },
3534 { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE },
3535 { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST },
3536 { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 },
3537 { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 },
3538 { BFD_RELOC_MIPS_SUB, R_MIPS_SUB },
3539 { BFD_RELOC_MIPS_INSERT_A, R_MIPS_INSERT_A },
3540 { BFD_RELOC_MIPS_INSERT_B, R_MIPS_INSERT_B },
3541 { BFD_RELOC_MIPS_DELETE, R_MIPS_DELETE },
3542 { BFD_RELOC_MIPS_HIGHEST, R_MIPS_HIGHEST },
3543 { BFD_RELOC_MIPS_HIGHER, R_MIPS_HIGHER },
3544 { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 },
3545 { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 },
3546 { BFD_RELOC_MIPS_SCN_DISP, R_MIPS_SCN_DISP },
3547 { BFD_RELOC_MIPS_REL16, R_MIPS_REL16 },
3548 /* Use of R_MIPS_ADD_IMMEDIATE and R_MIPS_PJUMP is deprecated. */
3549 { BFD_RELOC_MIPS_RELGOT, R_MIPS_RELGOT },
3550 { BFD_RELOC_MIPS_JALR, R_MIPS_JALR },
3551 { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 },
3552 { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 },
3553 { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 },
3554 { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 },
3555 { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD },
3556 { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM },
3557 { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 },
3558 { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 },
3559 { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL },
3560 { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 },
3561 { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 },
3562 { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 },
3563 { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 },
3564 { BFD_RELOC_MIPS_21_PCREL_S2, R_MIPS_PC21_S2 },
3565 { BFD_RELOC_MIPS_26_PCREL_S2, R_MIPS_PC26_S2 },
3566 { BFD_RELOC_MIPS_18_PCREL_S3, R_MIPS_PC18_S3 },
3567 { BFD_RELOC_MIPS_19_PCREL_S2, R_MIPS_PC19_S2 },
3568 { BFD_RELOC_HI16_S_PCREL, R_MIPS_PCHI16 },
3569 { BFD_RELOC_LO16_PCREL, R_MIPS_PCLO16 }
3570 };
3571
3572 static const struct elf_reloc_map mips16_reloc_map[] =
3573 {
3574 { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min },
3575 { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min },
3576 { BFD_RELOC_MIPS16_GOT16, R_MIPS16_GOT16 - R_MIPS16_min },
3577 { BFD_RELOC_MIPS16_CALL16, R_MIPS16_CALL16 - R_MIPS16_min },
3578 { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min },
3579 { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min },
3580 { BFD_RELOC_MIPS16_TLS_GD, R_MIPS16_TLS_GD - R_MIPS16_min },
3581 { BFD_RELOC_MIPS16_TLS_LDM, R_MIPS16_TLS_LDM - R_MIPS16_min },
3582 { BFD_RELOC_MIPS16_TLS_DTPREL_HI16,
3583 R_MIPS16_TLS_DTPREL_HI16 - R_MIPS16_min },
3584 { BFD_RELOC_MIPS16_TLS_DTPREL_LO16,
3585 R_MIPS16_TLS_DTPREL_LO16 - R_MIPS16_min },
3586 { BFD_RELOC_MIPS16_TLS_GOTTPREL, R_MIPS16_TLS_GOTTPREL - R_MIPS16_min },
3587 { BFD_RELOC_MIPS16_TLS_TPREL_HI16, R_MIPS16_TLS_TPREL_HI16 - R_MIPS16_min },
3588 { BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min },
3589 { BFD_RELOC_MIPS16_16_PCREL_S1, R_MIPS16_PC16_S1 - R_MIPS16_min }
3590 };
3591
3592 static const struct elf_reloc_map micromips_reloc_map[] =
3593 {
3594 { BFD_RELOC_MICROMIPS_JMP, R_MICROMIPS_26_S1 - R_MICROMIPS_min },
3595 { BFD_RELOC_MICROMIPS_HI16_S, R_MICROMIPS_HI16 - R_MICROMIPS_min },
3596 { BFD_RELOC_MICROMIPS_LO16, R_MICROMIPS_LO16 - R_MICROMIPS_min },
3597 { BFD_RELOC_MICROMIPS_GPREL16, R_MICROMIPS_GPREL16 - R_MICROMIPS_min },
3598 { BFD_RELOC_MICROMIPS_LITERAL, R_MICROMIPS_LITERAL - R_MICROMIPS_min },
3599 { BFD_RELOC_MICROMIPS_GOT16, R_MICROMIPS_GOT16 - R_MICROMIPS_min },
3600 { BFD_RELOC_MICROMIPS_7_PCREL_S1, R_MICROMIPS_PC7_S1 - R_MICROMIPS_min },
3601 { BFD_RELOC_MICROMIPS_10_PCREL_S1, R_MICROMIPS_PC10_S1 - R_MICROMIPS_min },
3602 { BFD_RELOC_MICROMIPS_16_PCREL_S1, R_MICROMIPS_PC16_S1 - R_MICROMIPS_min },
3603 { BFD_RELOC_MICROMIPS_CALL16, R_MICROMIPS_CALL16 - R_MICROMIPS_min },
3604 { BFD_RELOC_MICROMIPS_GOT_DISP, R_MICROMIPS_GOT_DISP - R_MICROMIPS_min },
3605 { BFD_RELOC_MICROMIPS_GOT_PAGE, R_MICROMIPS_GOT_PAGE - R_MICROMIPS_min },
3606 { BFD_RELOC_MICROMIPS_GOT_OFST, R_MICROMIPS_GOT_OFST - R_MICROMIPS_min },
3607 { BFD_RELOC_MICROMIPS_GOT_HI16, R_MICROMIPS_GOT_HI16 - R_MICROMIPS_min },
3608 { BFD_RELOC_MICROMIPS_GOT_LO16, R_MICROMIPS_GOT_LO16 - R_MICROMIPS_min },
3609 { BFD_RELOC_MICROMIPS_SUB, R_MICROMIPS_SUB - R_MICROMIPS_min },
3610 { BFD_RELOC_MICROMIPS_HIGHER, R_MICROMIPS_HIGHER - R_MICROMIPS_min },
3611 { BFD_RELOC_MICROMIPS_HIGHEST, R_MICROMIPS_HIGHEST - R_MICROMIPS_min },
3612 { BFD_RELOC_MICROMIPS_CALL_HI16, R_MICROMIPS_CALL_HI16 - R_MICROMIPS_min },
3613 { BFD_RELOC_MICROMIPS_CALL_LO16, R_MICROMIPS_CALL_LO16 - R_MICROMIPS_min },
3614 { BFD_RELOC_MICROMIPS_SCN_DISP, R_MICROMIPS_SCN_DISP - R_MICROMIPS_min },
3615 { BFD_RELOC_MICROMIPS_JALR, R_MICROMIPS_JALR - R_MICROMIPS_min },
3616 /* There is no BFD reloc for R_MICROMIPS_HI0_LO16. */
3617 { BFD_RELOC_MICROMIPS_TLS_GD, R_MICROMIPS_TLS_GD - R_MICROMIPS_min },
3618 { BFD_RELOC_MICROMIPS_TLS_LDM, R_MICROMIPS_TLS_LDM - R_MICROMIPS_min },
3619 { BFD_RELOC_MICROMIPS_TLS_DTPREL_HI16,
3620 R_MICROMIPS_TLS_DTPREL_HI16 - R_MICROMIPS_min },
3621 { BFD_RELOC_MICROMIPS_TLS_DTPREL_LO16,
3622 R_MICROMIPS_TLS_DTPREL_LO16 - R_MICROMIPS_min },
3623 { BFD_RELOC_MICROMIPS_TLS_GOTTPREL,
3624 R_MICROMIPS_TLS_GOTTPREL - R_MICROMIPS_min },
3625 { BFD_RELOC_MICROMIPS_TLS_TPREL_HI16,
3626 R_MICROMIPS_TLS_TPREL_HI16 - R_MICROMIPS_min },
3627 { BFD_RELOC_MICROMIPS_TLS_TPREL_LO16,
3628 R_MICROMIPS_TLS_TPREL_LO16 - R_MICROMIPS_min },
3629 /* There is no BFD reloc for R_MICROMIPS_GPREL7_S2. */
3630 /* There is no BFD reloc for R_MICROMIPS_PC23_S2. */
3631 };
3632
3633 /* Given a BFD reloc type, return a howto structure. */
3634
3635 static reloc_howto_type *
bfd_elf32_bfd_reloc_type_lookup(bfd * abfd ATTRIBUTE_UNUSED,bfd_reloc_code_real_type code)3636 bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
3637 bfd_reloc_code_real_type code)
3638 {
3639 unsigned int i;
3640 /* FIXME: We default to RELA here instead of choosing the right
3641 relocation variant. */
3642 reloc_howto_type *howto_table = elf_mips_howto_table_rela;
3643 reloc_howto_type *howto16_table = elf_mips16_howto_table_rela;
3644 reloc_howto_type *howto_micromips_table = elf_micromips_howto_table_rela;
3645
3646 for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map);
3647 i++)
3648 {
3649 if (mips_reloc_map[i].bfd_val == code)
3650 return &howto_table[(int) mips_reloc_map[i].elf_val];
3651 }
3652
3653 for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map);
3654 i++)
3655 {
3656 if (mips16_reloc_map[i].bfd_val == code)
3657 return &howto16_table[(int) mips16_reloc_map[i].elf_val];
3658 }
3659
3660 for (i = 0; i < sizeof (micromips_reloc_map) / sizeof (struct elf_reloc_map);
3661 i++)
3662 {
3663 if (micromips_reloc_map[i].bfd_val == code)
3664 return &howto_micromips_table[(int) micromips_reloc_map[i].elf_val];
3665 }
3666
3667 switch (code)
3668 {
3669 case BFD_RELOC_VTABLE_INHERIT:
3670 return &elf_mips_gnu_vtinherit_howto;
3671 case BFD_RELOC_VTABLE_ENTRY:
3672 return &elf_mips_gnu_vtentry_howto;
3673 case BFD_RELOC_32_PCREL:
3674 return &elf_mips_gnu_pcrel32;
3675 case BFD_RELOC_MIPS_EH:
3676 return &elf_mips_eh_howto;
3677 case BFD_RELOC_MIPS_COPY:
3678 return &elf_mips_copy_howto;
3679 case BFD_RELOC_MIPS_JUMP_SLOT:
3680 return &elf_mips_jump_slot_howto;
3681 default:
3682 bfd_set_error (bfd_error_bad_value);
3683 return NULL;
3684 }
3685 }
3686
3687 static reloc_howto_type *
bfd_elf32_bfd_reloc_name_lookup(bfd * abfd ATTRIBUTE_UNUSED,const char * r_name)3688 bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
3689 const char *r_name)
3690 {
3691 unsigned int i;
3692
3693 for (i = 0;
3694 i < (sizeof (elf_mips_howto_table_rela)
3695 / sizeof (elf_mips_howto_table_rela[0]));
3696 i++)
3697 if (elf_mips_howto_table_rela[i].name != NULL
3698 && strcasecmp (elf_mips_howto_table_rela[i].name, r_name) == 0)
3699 return &elf_mips_howto_table_rela[i];
3700
3701 for (i = 0;
3702 i < (sizeof (elf_mips16_howto_table_rela)
3703 / sizeof (elf_mips16_howto_table_rela[0]));
3704 i++)
3705 if (elf_mips16_howto_table_rela[i].name != NULL
3706 && strcasecmp (elf_mips16_howto_table_rela[i].name, r_name) == 0)
3707 return &elf_mips16_howto_table_rela[i];
3708
3709 for (i = 0;
3710 i < (sizeof (elf_micromips_howto_table_rela)
3711 / sizeof (elf_micromips_howto_table_rela[0]));
3712 i++)
3713 if (elf_micromips_howto_table_rela[i].name != NULL
3714 && strcasecmp (elf_micromips_howto_table_rela[i].name, r_name) == 0)
3715 return &elf_micromips_howto_table_rela[i];
3716
3717 if (strcasecmp (elf_mips_gnu_vtinherit_howto.name, r_name) == 0)
3718 return &elf_mips_gnu_vtinherit_howto;
3719 if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0)
3720 return &elf_mips_gnu_vtentry_howto;
3721 if (strcasecmp (elf_mips_gnu_rel16_s2.name, r_name) == 0)
3722 return &elf_mips_gnu_rel16_s2;
3723 if (strcasecmp (elf_mips_gnu_rela16_s2.name, r_name) == 0)
3724 return &elf_mips_gnu_rela16_s2;
3725 if (strcasecmp (elf_mips_gnu_pcrel32.name, r_name) == 0)
3726 return &elf_mips_gnu_pcrel32;
3727 if (strcasecmp (elf_mips_eh_howto.name, r_name) == 0)
3728 return &elf_mips_eh_howto;
3729 if (strcasecmp (elf_mips_copy_howto.name, r_name) == 0)
3730 return &elf_mips_copy_howto;
3731 if (strcasecmp (elf_mips_jump_slot_howto.name, r_name) == 0)
3732 return &elf_mips_jump_slot_howto;
3733
3734 return NULL;
3735 }
3736
3737 /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */
3738
3739 static reloc_howto_type *
mips_elf_n32_rtype_to_howto(bfd * abfd,unsigned int r_type,bool rela_p)3740 mips_elf_n32_rtype_to_howto (bfd *abfd, unsigned int r_type, bool rela_p)
3741 {
3742 reloc_howto_type *howto = NULL;
3743
3744 switch (r_type)
3745 {
3746 case R_MIPS_GNU_VTINHERIT:
3747 return &elf_mips_gnu_vtinherit_howto;
3748 case R_MIPS_GNU_VTENTRY:
3749 return &elf_mips_gnu_vtentry_howto;
3750 case R_MIPS_GNU_REL16_S2:
3751 if (rela_p)
3752 return &elf_mips_gnu_rela16_s2;
3753 else
3754 return &elf_mips_gnu_rel16_s2;
3755 case R_MIPS_PC32:
3756 return &elf_mips_gnu_pcrel32;
3757 case R_MIPS_EH:
3758 return &elf_mips_eh_howto;
3759 case R_MIPS_COPY:
3760 return &elf_mips_copy_howto;
3761 case R_MIPS_JUMP_SLOT:
3762 return &elf_mips_jump_slot_howto;
3763 default:
3764 if (r_type >= R_MICROMIPS_min && r_type < R_MICROMIPS_max)
3765 {
3766 if (rela_p)
3767 howto = &elf_micromips_howto_table_rela[r_type - R_MICROMIPS_min];
3768 else
3769 howto = &elf_micromips_howto_table_rel[r_type - R_MICROMIPS_min];
3770 }
3771 if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max)
3772 {
3773 if (rela_p)
3774 howto = &elf_mips16_howto_table_rela[r_type - R_MIPS16_min];
3775 else
3776 howto = &elf_mips16_howto_table_rel[r_type - R_MIPS16_min];
3777 }
3778 if (r_type < R_MIPS_max)
3779 {
3780 if (rela_p)
3781 howto = &elf_mips_howto_table_rela[r_type];
3782 else
3783 howto = &elf_mips_howto_table_rel[r_type];
3784 }
3785 if (howto != NULL && howto->name != NULL)
3786 return howto;
3787
3788 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
3789 abfd, r_type);
3790 bfd_set_error (bfd_error_bad_value);
3791 return NULL;
3792 }
3793 }
3794
3795 /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */
3796
3797 static bool
mips_info_to_howto_rel(bfd * abfd,arelent * cache_ptr,Elf_Internal_Rela * dst)3798 mips_info_to_howto_rel (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
3799 {
3800 unsigned int r_type;
3801
3802 r_type = ELF32_R_TYPE (dst->r_info);
3803 cache_ptr->howto = mips_elf_n32_rtype_to_howto (abfd, r_type, false);
3804
3805 if (cache_ptr->howto == NULL)
3806 return false;
3807
3808 /* The addend for a GPREL16 or LITERAL relocation comes from the GP
3809 value for the object file. We get the addend now, rather than
3810 when we do the relocation, because the symbol manipulations done
3811 by the linker may cause us to lose track of the input BFD. */
3812 if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0
3813 && (gprel16_reloc_p (r_type) || r_type == (unsigned int) R_MIPS_LITERAL))
3814 cache_ptr->addend = elf_gp (abfd);
3815
3816 return true;
3817 }
3818
3819 /* Given a MIPS Elf_Internal_Rela, fill in an arelent structure. */
3820
3821 static bool
mips_info_to_howto_rela(bfd * abfd,arelent * cache_ptr,Elf_Internal_Rela * dst)3822 mips_info_to_howto_rela (bfd *abfd,
3823 arelent *cache_ptr, Elf_Internal_Rela *dst)
3824 {
3825 unsigned int r_type;
3826
3827 r_type = ELF32_R_TYPE (dst->r_info);
3828 cache_ptr->howto = mips_elf_n32_rtype_to_howto (abfd, r_type, true);
3829 cache_ptr->addend = dst->r_addend;
3830 return cache_ptr->howto != NULL;
3831 }
3832
3833 /* Determine whether a symbol is global for the purposes of splitting
3834 the symbol table into global symbols and local symbols. At least
3835 on Irix 5, this split must be between section symbols and all other
3836 symbols. On most ELF targets the split is between static symbols
3837 and externally visible symbols. */
3838
3839 static bool
mips_elf_sym_is_global(bfd * abfd ATTRIBUTE_UNUSED,asymbol * sym)3840 mips_elf_sym_is_global (bfd *abfd ATTRIBUTE_UNUSED, asymbol *sym)
3841 {
3842 if (SGI_COMPAT (abfd))
3843 return (sym->flags & BSF_SECTION_SYM) == 0;
3844 else
3845 return ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0
3846 || bfd_is_und_section (bfd_asymbol_section (sym))
3847 || bfd_is_com_section (bfd_asymbol_section (sym)));
3848 }
3849
3850 /* Likewise, return TRUE if the symbol table split overall must be
3851 between section symbols and all other symbols. */
3852 static bool
mips_elf_n32_elfsym_local_is_section(bfd * abfd)3853 mips_elf_n32_elfsym_local_is_section (bfd *abfd)
3854 {
3855 return SGI_COMPAT (abfd);
3856 }
3857
3858 /* Set the right machine number for a MIPS ELF file. */
3859
3860 static bool
mips_elf_n32_object_p(bfd * abfd)3861 mips_elf_n32_object_p (bfd *abfd)
3862 {
3863 unsigned long mach;
3864
3865 if (!ABI_N32_P (abfd))
3866 return false;
3867
3868 /* Irix 5 and 6 are broken. Object file symbol tables are not always
3869 sorted correctly such that local symbols precede global symbols,
3870 and the sh_info field in the symbol table is not always right. */
3871 if (SGI_COMPAT (abfd))
3872 elf_bad_symtab (abfd) = true;
3873
3874 mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags);
3875 bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach);
3876 return true;
3877 }
3878
3879 /* Support for core dump NOTE sections. */
3880 static bool
elf32_mips_grok_prstatus(bfd * abfd,Elf_Internal_Note * note)3881 elf32_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
3882 {
3883 int offset;
3884 unsigned int size;
3885
3886 switch (note->descsz)
3887 {
3888 default:
3889 return false;
3890
3891 case 440: /* Linux/MIPS N32 */
3892 /* pr_cursig */
3893 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
3894
3895 /* pr_pid */
3896 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
3897
3898 /* pr_reg */
3899 offset = 72;
3900 size = 360;
3901
3902 break;
3903 }
3904
3905 /* Make a ".reg/999" section. */
3906 return _bfd_elfcore_make_pseudosection (abfd, ".reg", size,
3907 note->descpos + offset);
3908 }
3909
3910 static bool
elf32_mips_grok_psinfo(bfd * abfd,Elf_Internal_Note * note)3911 elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
3912 {
3913 switch (note->descsz)
3914 {
3915 default:
3916 return false;
3917
3918 case 128: /* Linux/MIPS elf_prpsinfo */
3919 elf_tdata (abfd)->core->pid
3920 = bfd_get_32 (abfd, note->descdata + 16);
3921 elf_tdata (abfd)->core->program
3922 = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
3923 elf_tdata (abfd)->core->command
3924 = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
3925 }
3926
3927 /* Note that for some reason, a spurious space is tacked
3928 onto the end of the args in some (at least one anyway)
3929 implementations, so strip it off if it exists. */
3930
3931 {
3932 char *command = elf_tdata (abfd)->core->command;
3933 int n = strlen (command);
3934
3935 if (0 < n && command[n - 1] == ' ')
3936 command[n - 1] = '\0';
3937 }
3938
3939 return true;
3940 }
3941
3942 static bool
elf_n32_mips_grok_freebsd_prstatus(bfd * abfd,Elf_Internal_Note * note)3943 elf_n32_mips_grok_freebsd_prstatus (bfd *abfd, Elf_Internal_Note *note)
3944 {
3945 size_t offset;
3946 size_t size;
3947 size_t min_size;
3948
3949 /* Compute offset of pr_getregsz, skipping over pr_statussz.
3950 Also compute minimum size of this note. */
3951 offset = 4 + 4;
3952 min_size = offset + 4 * 2 + 4 + 4 + 4;
3953
3954 if (note->descsz < min_size)
3955 return false;
3956
3957 /* Check for version 1 in pr_version. */
3958 if (bfd_h_get_32 (abfd, (bfd_byte *) note->descdata) != 1)
3959 return false;
3960
3961 /* Extract size of pr_reg from pr_gregsetsz. */
3962 /* Skip over pr_gregsetsz and pr_fpregsetsz. */
3963 size = bfd_h_get_32 (abfd, (bfd_byte *) note->descdata + offset);
3964 offset += 4 * 2;
3965
3966 /* Skip over pr_osreldate. */
3967 offset += 4;
3968
3969 /* Read signal from pr_cursig. */
3970 if (elf_tdata (abfd)->core->signal == 0)
3971 elf_tdata (abfd)->core->signal
3972 = bfd_h_get_32 (abfd, (bfd_byte *) note->descdata + offset);
3973 offset += 4;
3974
3975 /* Read TID from pr_pid. */
3976 elf_tdata (abfd)->core->lwpid
3977 = bfd_h_get_32 (abfd, (bfd_byte *) note->descdata + offset);
3978 offset += 4;
3979
3980 /* Padding before pr_reg. */
3981 offset += 4;
3982
3983 /* Make sure that there is enough data remaining in the note. */
3984 if (note->descsz - offset < size)
3985 return false;
3986
3987 /* Make a ".reg/999" section and a ".reg" section. */
3988 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
3989 size, note->descpos + offset);
3990 }
3991
3992 /* Write Linux core PRSTATUS note into core file. */
3993
3994 static char *
elf32_mips_write_core_note(bfd * abfd,char * buf,int * bufsiz,int note_type,...)3995 elf32_mips_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type,
3996 ...)
3997 {
3998 switch (note_type)
3999 {
4000 default:
4001 return NULL;
4002
4003 case NT_PRPSINFO:
4004 BFD_FAIL ();
4005 return NULL;
4006
4007 case NT_PRSTATUS:
4008 {
4009 char data[440];
4010 va_list ap;
4011 long pid;
4012 int cursig;
4013 const void *greg;
4014
4015 va_start (ap, note_type);
4016 memset (data, 0, 72);
4017 pid = va_arg (ap, long);
4018 bfd_put_32 (abfd, pid, data + 24);
4019 cursig = va_arg (ap, int);
4020 bfd_put_16 (abfd, cursig, data + 12);
4021 greg = va_arg (ap, const void *);
4022 memcpy (data + 72, greg, 360);
4023 memset (data + 432, 0, 8);
4024 va_end (ap);
4025 return elfcore_write_note (abfd, buf, bufsiz,
4026 "CORE", note_type, data, sizeof (data));
4027 }
4028 }
4029 }
4030
4031 /* Depending on the target vector we generate some version of Irix
4032 executables or "normal" MIPS ELF ABI executables. */
4033 static irix_compat_t
elf_n32_mips_irix_compat(bfd * abfd)4034 elf_n32_mips_irix_compat (bfd *abfd)
4035 {
4036 if ((abfd->xvec == &mips_elf32_n_be_vec)
4037 || (abfd->xvec == &mips_elf32_n_le_vec))
4038 return ict_irix6;
4039 else
4040 return ict_none;
4041 }
4042
4043 /* Make an n32 MIPS object. We need to set the n32 ABI flag in
4044 `e_flags' to tell the object apart from an o32 object. */
4045
4046 static bool
mips_elf_n32_mkobject(bfd * abfd)4047 mips_elf_n32_mkobject (bfd *abfd)
4048 {
4049 bool ret;
4050
4051 ret = _bfd_mips_elf_mkobject (abfd);
4052 if (ret)
4053 elf_elfheader (abfd)->e_flags |= EF_MIPS_ABI2;
4054
4055 return ret;
4056 }
4057
4058 /* ECOFF swapping routines. These are used when dealing with the
4059 .mdebug section, which is in the ECOFF debugging format. */
4060 static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
4061 /* Symbol table magic number. */
4062 magicSym,
4063 /* Alignment of debugging information. E.g., 4. */
4064 4,
4065 /* Sizes of external symbolic information. */
4066 sizeof (struct hdr_ext),
4067 sizeof (struct dnr_ext),
4068 sizeof (struct pdr_ext),
4069 sizeof (struct sym_ext),
4070 sizeof (struct opt_ext),
4071 sizeof (struct fdr_ext),
4072 sizeof (struct rfd_ext),
4073 sizeof (struct ext_ext),
4074 /* Functions to swap in external symbolic data. */
4075 ecoff_swap_hdr_in,
4076 ecoff_swap_dnr_in,
4077 ecoff_swap_pdr_in,
4078 ecoff_swap_sym_in,
4079 ecoff_swap_opt_in,
4080 ecoff_swap_fdr_in,
4081 ecoff_swap_rfd_in,
4082 ecoff_swap_ext_in,
4083 _bfd_ecoff_swap_tir_in,
4084 _bfd_ecoff_swap_rndx_in,
4085 /* Functions to swap out external symbolic data. */
4086 ecoff_swap_hdr_out,
4087 ecoff_swap_dnr_out,
4088 ecoff_swap_pdr_out,
4089 ecoff_swap_sym_out,
4090 ecoff_swap_opt_out,
4091 ecoff_swap_fdr_out,
4092 ecoff_swap_rfd_out,
4093 ecoff_swap_ext_out,
4094 _bfd_ecoff_swap_tir_out,
4095 _bfd_ecoff_swap_rndx_out,
4096 /* Function to read in symbolic data. */
4097 _bfd_mips_elf_read_ecoff_info
4098 };
4099
4100 #define ELF_ARCH bfd_arch_mips
4101 #define ELF_TARGET_ID MIPS_ELF_DATA
4102 #define ELF_MACHINE_CODE EM_MIPS
4103
4104 #define elf_backend_collect true
4105 #define elf_backend_type_change_ok true
4106 #define elf_backend_can_gc_sections true
4107 #define elf_backend_gc_mark_extra_sections \
4108 _bfd_mips_elf_gc_mark_extra_sections
4109 #define elf_info_to_howto mips_info_to_howto_rela
4110 #define elf_info_to_howto_rel mips_info_to_howto_rel
4111 #define elf_backend_sym_is_global mips_elf_sym_is_global
4112 #define elf_backend_object_p mips_elf_n32_object_p
4113 #define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing
4114 #define elf_backend_section_processing _bfd_mips_elf_section_processing
4115 #define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr
4116 #define elf_backend_fake_sections _bfd_mips_elf_fake_sections
4117 #define elf_backend_section_from_bfd_section \
4118 _bfd_mips_elf_section_from_bfd_section
4119 #define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook
4120 #define elf_backend_link_output_symbol_hook \
4121 _bfd_mips_elf_link_output_symbol_hook
4122 #define elf_backend_create_dynamic_sections \
4123 _bfd_mips_elf_create_dynamic_sections
4124 #define elf_backend_check_relocs _bfd_mips_elf_check_relocs
4125 #define elf_backend_merge_symbol_attribute \
4126 _bfd_mips_elf_merge_symbol_attribute
4127 #define elf_backend_get_target_dtag _bfd_mips_elf_get_target_dtag
4128 #define elf_backend_adjust_dynamic_symbol \
4129 _bfd_mips_elf_adjust_dynamic_symbol
4130 #define elf_backend_always_size_sections \
4131 _bfd_mips_elf_always_size_sections
4132 #define elf_backend_size_dynamic_sections \
4133 _bfd_mips_elf_size_dynamic_sections
4134 #define elf_backend_init_index_section _bfd_elf_init_1_index_section
4135 #define elf_backend_relocate_section _bfd_mips_elf_relocate_section
4136 #define elf_backend_finish_dynamic_symbol \
4137 _bfd_mips_elf_finish_dynamic_symbol
4138 #define elf_backend_finish_dynamic_sections \
4139 _bfd_mips_elf_finish_dynamic_sections
4140 #define elf_backend_final_write_processing \
4141 _bfd_mips_elf_final_write_processing
4142 #define elf_backend_additional_program_headers \
4143 _bfd_mips_elf_additional_program_headers
4144 #define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map
4145 #define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook
4146 #define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook
4147 #define elf_backend_copy_indirect_symbol \
4148 _bfd_mips_elf_copy_indirect_symbol
4149 #define elf_backend_hide_symbol _bfd_mips_elf_hide_symbol
4150 #define elf_backend_grok_prstatus elf32_mips_grok_prstatus
4151 #define elf_backend_grok_psinfo elf32_mips_grok_psinfo
4152 #define elf_backend_grok_freebsd_prstatus \
4153 elf_n32_mips_grok_freebsd_prstatus
4154 #define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap
4155
4156 #define elf_backend_got_header_size (4 * MIPS_RESERVED_GOTNO)
4157 #define elf_backend_want_dynrelro 1
4158
4159 /* MIPS n32 ELF can use a mixture of REL and RELA, but some Relocations
4160 work better/work only in RELA, so we default to this. */
4161 #define elf_backend_may_use_rel_p 1
4162 #define elf_backend_may_use_rela_p 1
4163 #define elf_backend_default_use_rela_p 1
4164 #define elf_backend_rela_plts_and_copies_p 0
4165 #define elf_backend_sign_extend_vma true
4166 #define elf_backend_plt_readonly 1
4167 #define elf_backend_plt_sym_val _bfd_mips_elf_plt_sym_val
4168
4169 #define elf_backend_discard_info _bfd_mips_elf_discard_info
4170 #define elf_backend_ignore_discarded_relocs \
4171 _bfd_mips_elf_ignore_discarded_relocs
4172 #define elf_backend_write_section _bfd_mips_elf_write_section
4173 #define elf_backend_elfsym_local_is_section \
4174 mips_elf_n32_elfsym_local_is_section
4175 #define elf_backend_mips_irix_compat elf_n32_mips_irix_compat
4176 #define elf_backend_mips_rtype_to_howto mips_elf_n32_rtype_to_howto
4177 #define bfd_elf32_bfd_is_target_special_symbol \
4178 _bfd_mips_elf_is_target_special_symbol
4179 #define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line
4180 #define bfd_elf32_find_inliner_info _bfd_mips_elf_find_inliner_info
4181 #define bfd_elf32_new_section_hook _bfd_mips_elf_new_section_hook
4182 #define bfd_elf32_set_section_contents _bfd_mips_elf_set_section_contents
4183 #define bfd_elf32_bfd_get_relocated_section_contents \
4184 _bfd_elf_mips_get_relocated_section_contents
4185 #define bfd_elf32_bfd_link_hash_table_create \
4186 _bfd_mips_elf_link_hash_table_create
4187 #define bfd_elf32_bfd_final_link _bfd_mips_elf_final_link
4188 #define bfd_elf32_bfd_merge_private_bfd_data \
4189 _bfd_mips_elf_merge_private_bfd_data
4190 #define bfd_elf32_bfd_set_private_flags _bfd_mips_elf_set_private_flags
4191 #define bfd_elf32_bfd_print_private_bfd_data \
4192 _bfd_mips_elf_print_private_bfd_data
4193 #define bfd_elf32_mkobject mips_elf_n32_mkobject
4194
4195 /* Support for SGI-ish mips targets using n32 ABI. */
4196
4197 #define TARGET_LITTLE_SYM mips_elf32_n_le_vec
4198 #define TARGET_LITTLE_NAME "elf32-nlittlemips"
4199 #define TARGET_BIG_SYM mips_elf32_n_be_vec
4200 #define TARGET_BIG_NAME "elf32-nbigmips"
4201
4202 #define ELF_MAXPAGESIZE 0x10000
4203 #define ELF_COMMONPAGESIZE 0x1000
4204
4205 #include "elf32-target.h"
4206
4207 /* Support for traditional mips targets using n32 ABI. */
4208 #undef TARGET_LITTLE_SYM
4209 #undef TARGET_LITTLE_NAME
4210 #undef TARGET_BIG_SYM
4211 #undef TARGET_BIG_NAME
4212
4213 #undef ELF_MAXPAGESIZE
4214 #undef ELF_COMMONPAGESIZE
4215
4216 #define TARGET_LITTLE_SYM mips_elf32_ntrad_le_vec
4217 #define TARGET_LITTLE_NAME "elf32-ntradlittlemips"
4218 #define TARGET_BIG_SYM mips_elf32_ntrad_be_vec
4219 #define TARGET_BIG_NAME "elf32-ntradbigmips"
4220
4221 #define ELF_MAXPAGESIZE 0x10000
4222 #define ELF_COMMONPAGESIZE 0x1000
4223 #define elf32_bed elf32_tradbed
4224
4225 #undef elf_backend_write_core_note
4226 #define elf_backend_write_core_note elf32_mips_write_core_note
4227
4228 /* Include the target file again for this target. */
4229 #include "elf32-target.h"
4230
4231
4232 /* FreeBSD support. */
4233
4234 #undef TARGET_LITTLE_SYM
4235 #undef TARGET_LITTLE_NAME
4236 #undef TARGET_BIG_SYM
4237 #undef TARGET_BIG_NAME
4238
4239 #define TARGET_LITTLE_SYM mips_elf32_ntradfbsd_le_vec
4240 #define TARGET_LITTLE_NAME "elf32-ntradlittlemips-freebsd"
4241 #define TARGET_BIG_SYM mips_elf32_ntradfbsd_be_vec
4242 #define TARGET_BIG_NAME "elf32-ntradbigmips-freebsd"
4243
4244 #undef ELF_OSABI
4245 #define ELF_OSABI ELFOSABI_FREEBSD
4246
4247 #undef elf32_bed
4248 #define elf32_bed elf32_fbsd_tradbed
4249
4250 #undef elf_backend_write_core_note
4251
4252 #include "elf32-target.h"
4253