1 /* MIPS-specific support for 32-bit ELF
2 Copyright (C) 1993-2015 Free Software Foundation, Inc.
4 Most of the information added by Ian Lance Taylor, Cygnus Support,
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>
11 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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. */
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. */
39 #include "elfxx-mips.h"
41 #include "elf-vxworks.h"
43 /* Get the ECOFF swapping routines. */
45 #include "coff/symconst.h"
46 #include "coff/internal.h"
47 #include "coff/ecoff.h"
48 #include "coff/mips.h"
49 #define ECOFF_SIGNED_32
50 #include "ecoffswap.h"
52 static bfd_reloc_status_type gprel32_with_gp
53 (bfd *, asymbol *, arelent *, asection *, bfd_boolean, void *, bfd_vma);
54 static bfd_reloc_status_type mips_elf_gprel32_reloc
55 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
56 static bfd_reloc_status_type mips32_64bit_reloc
57 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
58 static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
59 (bfd *, bfd_reloc_code_real_type);
60 static reloc_howto_type *mips_elf32_rtype_to_howto
61 (unsigned int, bfd_boolean);
62 static void mips_info_to_howto_rel
63 (bfd *, arelent *, Elf_Internal_Rela *);
64 static void mips_info_to_howto_rela
65 (bfd *, arelent *, Elf_Internal_Rela *);
66 static bfd_boolean mips_elf_sym_is_global
68 static bfd_boolean mips_elf32_object_p
70 static bfd_boolean mips_elf_is_local_label_name
71 (bfd *, const char *);
72 static bfd_reloc_status_type mips16_gprel_reloc
73 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
74 static bfd_reloc_status_type mips_elf_final_gp
75 (bfd *, asymbol *, bfd_boolean, char **, bfd_vma *);
76 static bfd_boolean mips_elf_assign_gp
78 static bfd_boolean elf32_mips_grok_prstatus
79 (bfd *, Elf_Internal_Note *);
80 static bfd_boolean elf32_mips_grok_psinfo
81 (bfd *, Elf_Internal_Note *);
82 static irix_compat_t elf32_mips_irix_compat
85 extern const bfd_target mips_elf32_be_vec;
86 extern const bfd_target mips_elf32_le_vec;
88 /* Nonzero if ABFD is using the N32 ABI. */
89 #define ABI_N32_P(abfd) \
90 ((elf_elfheader (abfd)->e_flags & EF_MIPS_ABI2) != 0)
92 /* Whether we are trying to be compatible with IRIX at all. */
93 #define SGI_COMPAT(abfd) \
94 (elf32_mips_irix_compat (abfd) != ict_none)
96 /* The number of local .got entries we reserve. */
97 #define MIPS_RESERVED_GOTNO (2)
99 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value
100 from smaller values. Start with zero, widen, *then* decrement. */
101 #define MINUS_ONE (((bfd_vma)0) - 1)
103 /* The relocation table used for SHT_REL sections. */
105 static reloc_howto_type elf_mips_howto_table_rel[] =
108 HOWTO (R_MIPS_NONE, /* type */
110 3, /* size (0 = byte, 1 = short, 2 = long) */
112 FALSE, /* pc_relative */
114 complain_overflow_dont, /* complain_on_overflow */
115 _bfd_mips_elf_generic_reloc, /* special_function */
116 "R_MIPS_NONE", /* name */
117 FALSE, /* partial_inplace */
120 FALSE), /* pcrel_offset */
122 /* 16 bit relocation. */
123 HOWTO (R_MIPS_16, /* type */
125 2, /* size (0 = byte, 1 = short, 2 = long) */
127 FALSE, /* pc_relative */
129 complain_overflow_signed, /* complain_on_overflow */
130 _bfd_mips_elf_generic_reloc, /* special_function */
131 "R_MIPS_16", /* name */
132 TRUE, /* partial_inplace */
133 0x0000ffff, /* src_mask */
134 0x0000ffff, /* dst_mask */
135 FALSE), /* pcrel_offset */
137 /* 32 bit relocation. */
138 HOWTO (R_MIPS_32, /* type */
140 2, /* size (0 = byte, 1 = short, 2 = long) */
142 FALSE, /* pc_relative */
144 complain_overflow_dont, /* complain_on_overflow */
145 _bfd_mips_elf_generic_reloc, /* special_function */
146 "R_MIPS_32", /* name */
147 TRUE, /* partial_inplace */
148 0xffffffff, /* src_mask */
149 0xffffffff, /* dst_mask */
150 FALSE), /* pcrel_offset */
152 /* 32 bit symbol relative relocation. */
153 HOWTO (R_MIPS_REL32, /* type */
155 2, /* size (0 = byte, 1 = short, 2 = long) */
157 FALSE, /* pc_relative */
159 complain_overflow_dont, /* complain_on_overflow */
160 _bfd_mips_elf_generic_reloc, /* special_function */
161 "R_MIPS_REL32", /* name */
162 TRUE, /* partial_inplace */
163 0xffffffff, /* src_mask */
164 0xffffffff, /* dst_mask */
165 FALSE), /* pcrel_offset */
167 /* 26 bit jump address. */
168 HOWTO (R_MIPS_26, /* type */
170 2, /* size (0 = byte, 1 = short, 2 = long) */
172 FALSE, /* pc_relative */
174 complain_overflow_dont, /* complain_on_overflow */
175 /* This needs complex overflow
176 detection, because the upper four
177 bits must match the PC + 4. */
178 _bfd_mips_elf_generic_reloc, /* special_function */
179 "R_MIPS_26", /* name */
180 TRUE, /* partial_inplace */
181 0x03ffffff, /* src_mask */
182 0x03ffffff, /* dst_mask */
183 FALSE), /* pcrel_offset */
185 /* High 16 bits of symbol value. */
186 HOWTO (R_MIPS_HI16, /* type */
188 2, /* size (0 = byte, 1 = short, 2 = long) */
190 FALSE, /* pc_relative */
192 complain_overflow_dont, /* complain_on_overflow */
193 _bfd_mips_elf_hi16_reloc, /* special_function */
194 "R_MIPS_HI16", /* name */
195 TRUE, /* partial_inplace */
196 0x0000ffff, /* src_mask */
197 0x0000ffff, /* dst_mask */
198 FALSE), /* pcrel_offset */
200 /* Low 16 bits of symbol value. */
201 HOWTO (R_MIPS_LO16, /* type */
203 2, /* size (0 = byte, 1 = short, 2 = long) */
205 FALSE, /* pc_relative */
207 complain_overflow_dont, /* complain_on_overflow */
208 _bfd_mips_elf_lo16_reloc, /* special_function */
209 "R_MIPS_LO16", /* name */
210 TRUE, /* partial_inplace */
211 0x0000ffff, /* src_mask */
212 0x0000ffff, /* dst_mask */
213 FALSE), /* pcrel_offset */
215 /* GP relative reference. */
216 HOWTO (R_MIPS_GPREL16, /* type */
218 2, /* size (0 = byte, 1 = short, 2 = long) */
220 FALSE, /* pc_relative */
222 complain_overflow_signed, /* complain_on_overflow */
223 _bfd_mips_elf32_gprel16_reloc, /* special_function */
224 "R_MIPS_GPREL16", /* name */
225 TRUE, /* partial_inplace */
226 0x0000ffff, /* src_mask */
227 0x0000ffff, /* dst_mask */
228 FALSE), /* pcrel_offset */
230 /* Reference to literal section. */
231 HOWTO (R_MIPS_LITERAL, /* type */
233 2, /* size (0 = byte, 1 = short, 2 = long) */
235 FALSE, /* pc_relative */
237 complain_overflow_signed, /* complain_on_overflow */
238 _bfd_mips_elf32_gprel16_reloc, /* special_function */
239 "R_MIPS_LITERAL", /* name */
240 TRUE, /* partial_inplace */
241 0x0000ffff, /* src_mask */
242 0x0000ffff, /* dst_mask */
243 FALSE), /* pcrel_offset */
245 /* Reference to global offset table. */
246 HOWTO (R_MIPS_GOT16, /* type */
248 2, /* size (0 = byte, 1 = short, 2 = long) */
250 FALSE, /* pc_relative */
252 complain_overflow_signed, /* complain_on_overflow */
253 _bfd_mips_elf_got16_reloc, /* special_function */
254 "R_MIPS_GOT16", /* name */
255 TRUE, /* partial_inplace */
256 0x0000ffff, /* src_mask */
257 0x0000ffff, /* dst_mask */
258 FALSE), /* pcrel_offset */
260 /* 16 bit PC relative reference. Note that the ABI document has a typo
261 and claims R_MIPS_PC16 to be not rightshifted, rendering it useless.
262 We do the right thing here. */
263 HOWTO (R_MIPS_PC16, /* type */
265 2, /* size (0 = byte, 1 = short, 2 = long) */
267 TRUE, /* pc_relative */
269 complain_overflow_signed, /* complain_on_overflow */
270 _bfd_mips_elf_generic_reloc, /* special_function */
271 "R_MIPS_PC16", /* name */
272 TRUE, /* partial_inplace */
273 0x0000ffff, /* src_mask */
274 0x0000ffff, /* dst_mask */
275 TRUE), /* pcrel_offset */
277 /* 16 bit call through global offset table. */
278 HOWTO (R_MIPS_CALL16, /* type */
280 2, /* size (0 = byte, 1 = short, 2 = long) */
282 FALSE, /* pc_relative */
284 complain_overflow_signed, /* complain_on_overflow */
285 _bfd_mips_elf_generic_reloc, /* special_function */
286 "R_MIPS_CALL16", /* name */
287 TRUE, /* partial_inplace */
288 0x0000ffff, /* src_mask */
289 0x0000ffff, /* dst_mask */
290 FALSE), /* pcrel_offset */
292 /* 32 bit GP relative reference. */
293 HOWTO (R_MIPS_GPREL32, /* type */
295 2, /* size (0 = byte, 1 = short, 2 = long) */
297 FALSE, /* pc_relative */
299 complain_overflow_dont, /* complain_on_overflow */
300 mips_elf_gprel32_reloc, /* special_function */
301 "R_MIPS_GPREL32", /* name */
302 TRUE, /* partial_inplace */
303 0xffffffff, /* src_mask */
304 0xffffffff, /* dst_mask */
305 FALSE), /* pcrel_offset */
307 /* The remaining relocs are defined on Irix 5, although they are
308 not defined by the ABI. */
313 /* A 5 bit shift field. */
314 HOWTO (R_MIPS_SHIFT5, /* type */
316 2, /* size (0 = byte, 1 = short, 2 = long) */
318 FALSE, /* pc_relative */
320 complain_overflow_bitfield, /* complain_on_overflow */
321 _bfd_mips_elf_generic_reloc, /* special_function */
322 "R_MIPS_SHIFT5", /* name */
323 TRUE, /* partial_inplace */
324 0x000007c0, /* src_mask */
325 0x000007c0, /* dst_mask */
326 FALSE), /* pcrel_offset */
328 /* A 6 bit shift field. */
329 /* FIXME: This is not handled correctly; a special function is
330 needed to put the most significant bit in the right place. */
331 HOWTO (R_MIPS_SHIFT6, /* type */
333 2, /* size (0 = byte, 1 = short, 2 = long) */
335 FALSE, /* pc_relative */
337 complain_overflow_bitfield, /* complain_on_overflow */
338 _bfd_mips_elf_generic_reloc, /* special_function */
339 "R_MIPS_SHIFT6", /* name */
340 TRUE, /* partial_inplace */
341 0x000007c4, /* src_mask */
342 0x000007c4, /* dst_mask */
343 FALSE), /* pcrel_offset */
345 /* A 64 bit relocation. */
346 HOWTO (R_MIPS_64, /* type */
348 4, /* size (0 = byte, 1 = short, 2 = long) */
350 FALSE, /* pc_relative */
352 complain_overflow_dont, /* complain_on_overflow */
353 mips32_64bit_reloc, /* special_function */
354 "R_MIPS_64", /* name */
355 TRUE, /* partial_inplace */
356 MINUS_ONE, /* src_mask */
357 MINUS_ONE, /* dst_mask */
358 FALSE), /* pcrel_offset */
360 /* Displacement in the global offset table. */
361 HOWTO (R_MIPS_GOT_DISP, /* type */
363 2, /* size (0 = byte, 1 = short, 2 = long) */
365 FALSE, /* pc_relative */
367 complain_overflow_signed, /* complain_on_overflow */
368 _bfd_mips_elf_generic_reloc, /* special_function */
369 "R_MIPS_GOT_DISP", /* name */
370 TRUE, /* partial_inplace */
371 0x0000ffff, /* src_mask */
372 0x0000ffff, /* dst_mask */
373 FALSE), /* pcrel_offset */
375 /* Displacement to page pointer in the global offset table. */
376 HOWTO (R_MIPS_GOT_PAGE, /* type */
378 2, /* size (0 = byte, 1 = short, 2 = long) */
380 FALSE, /* pc_relative */
382 complain_overflow_signed, /* complain_on_overflow */
383 _bfd_mips_elf_generic_reloc, /* special_function */
384 "R_MIPS_GOT_PAGE", /* name */
385 TRUE, /* partial_inplace */
386 0x0000ffff, /* src_mask */
387 0x0000ffff, /* dst_mask */
388 FALSE), /* pcrel_offset */
390 /* Offset from page pointer in the global offset table. */
391 HOWTO (R_MIPS_GOT_OFST, /* type */
393 2, /* size (0 = byte, 1 = short, 2 = long) */
395 FALSE, /* pc_relative */
397 complain_overflow_signed, /* complain_on_overflow */
398 _bfd_mips_elf_generic_reloc, /* special_function */
399 "R_MIPS_GOT_OFST", /* name */
400 TRUE, /* partial_inplace */
401 0x0000ffff, /* src_mask */
402 0x0000ffff, /* dst_mask */
403 FALSE), /* pcrel_offset */
405 /* High 16 bits of displacement in global offset table. */
406 HOWTO (R_MIPS_GOT_HI16, /* type */
408 2, /* size (0 = byte, 1 = short, 2 = long) */
410 FALSE, /* pc_relative */
412 complain_overflow_dont, /* complain_on_overflow */
413 _bfd_mips_elf_generic_reloc, /* special_function */
414 "R_MIPS_GOT_HI16", /* name */
415 TRUE, /* partial_inplace */
416 0x0000ffff, /* src_mask */
417 0x0000ffff, /* dst_mask */
418 FALSE), /* pcrel_offset */
420 /* Low 16 bits of displacement in global offset table. */
421 HOWTO (R_MIPS_GOT_LO16, /* type */
423 2, /* size (0 = byte, 1 = short, 2 = long) */
425 FALSE, /* pc_relative */
427 complain_overflow_dont, /* complain_on_overflow */
428 _bfd_mips_elf_generic_reloc, /* special_function */
429 "R_MIPS_GOT_LO16", /* name */
430 TRUE, /* partial_inplace */
431 0x0000ffff, /* src_mask */
432 0x0000ffff, /* dst_mask */
433 FALSE), /* pcrel_offset */
435 /* 64 bit subtraction. Used in the N32 ABI. */
436 HOWTO (R_MIPS_SUB, /* type */
438 4, /* size (0 = byte, 1 = short, 2 = long) */
440 FALSE, /* pc_relative */
442 complain_overflow_dont, /* complain_on_overflow */
443 _bfd_mips_elf_generic_reloc, /* special_function */
444 "R_MIPS_SUB", /* name */
445 TRUE, /* partial_inplace */
446 MINUS_ONE, /* src_mask */
447 MINUS_ONE, /* dst_mask */
448 FALSE), /* pcrel_offset */
450 /* Used to cause the linker to insert and delete instructions? */
451 EMPTY_HOWTO (R_MIPS_INSERT_A),
452 EMPTY_HOWTO (R_MIPS_INSERT_B),
453 EMPTY_HOWTO (R_MIPS_DELETE),
455 /* Get the higher value of a 64 bit addend. */
456 HOWTO (R_MIPS_HIGHER, /* type */
458 2, /* size (0 = byte, 1 = short, 2 = long) */
460 FALSE, /* pc_relative */
462 complain_overflow_dont, /* complain_on_overflow */
463 _bfd_mips_elf_generic_reloc, /* special_function */
464 "R_MIPS_HIGHER", /* name */
465 TRUE, /* partial_inplace */
466 0x0000ffff, /* src_mask */
467 0x0000ffff, /* dst_mask */
468 FALSE), /* pcrel_offset */
470 /* Get the highest value of a 64 bit addend. */
471 HOWTO (R_MIPS_HIGHEST, /* type */
473 2, /* size (0 = byte, 1 = short, 2 = long) */
475 FALSE, /* pc_relative */
477 complain_overflow_dont, /* complain_on_overflow */
478 _bfd_mips_elf_generic_reloc, /* special_function */
479 "R_MIPS_HIGHEST", /* name */
480 TRUE, /* partial_inplace */
481 0x0000ffff, /* src_mask */
482 0x0000ffff, /* dst_mask */
483 FALSE), /* pcrel_offset */
485 /* High 16 bits of displacement in global offset table. */
486 HOWTO (R_MIPS_CALL_HI16, /* type */
488 2, /* size (0 = byte, 1 = short, 2 = long) */
490 FALSE, /* pc_relative */
492 complain_overflow_dont, /* complain_on_overflow */
493 _bfd_mips_elf_generic_reloc, /* special_function */
494 "R_MIPS_CALL_HI16", /* name */
495 TRUE, /* partial_inplace */
496 0x0000ffff, /* src_mask */
497 0x0000ffff, /* dst_mask */
498 FALSE), /* pcrel_offset */
500 /* Low 16 bits of displacement in global offset table. */
501 HOWTO (R_MIPS_CALL_LO16, /* type */
503 2, /* size (0 = byte, 1 = short, 2 = long) */
505 FALSE, /* pc_relative */
507 complain_overflow_dont, /* complain_on_overflow */
508 _bfd_mips_elf_generic_reloc, /* special_function */
509 "R_MIPS_CALL_LO16", /* name */
510 TRUE, /* partial_inplace */
511 0x0000ffff, /* src_mask */
512 0x0000ffff, /* dst_mask */
513 FALSE), /* pcrel_offset */
515 /* Section displacement. */
516 HOWTO (R_MIPS_SCN_DISP, /* type */
518 2, /* size (0 = byte, 1 = short, 2 = long) */
520 FALSE, /* pc_relative */
522 complain_overflow_dont, /* complain_on_overflow */
523 _bfd_mips_elf_generic_reloc, /* special_function */
524 "R_MIPS_SCN_DISP", /* name */
525 TRUE, /* partial_inplace */
526 0xffffffff, /* src_mask */
527 0xffffffff, /* dst_mask */
528 FALSE), /* pcrel_offset */
530 EMPTY_HOWTO (R_MIPS_REL16),
531 EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE),
532 EMPTY_HOWTO (R_MIPS_PJUMP),
533 EMPTY_HOWTO (R_MIPS_RELGOT),
535 /* Protected jump conversion. This is an optimization hint. No
536 relocation is required for correctness. */
537 HOWTO (R_MIPS_JALR, /* type */
539 2, /* size (0 = byte, 1 = short, 2 = long) */
541 FALSE, /* pc_relative */
543 complain_overflow_dont, /* complain_on_overflow */
544 _bfd_mips_elf_generic_reloc, /* special_function */
545 "R_MIPS_JALR", /* name */
546 FALSE, /* partial_inplace */
547 0x00000000, /* src_mask */
548 0x00000000, /* dst_mask */
549 FALSE), /* pcrel_offset */
551 /* TLS GD/LD dynamic relocations. */
552 HOWTO (R_MIPS_TLS_DTPMOD32, /* type */
554 2, /* size (0 = byte, 1 = short, 2 = long) */
556 FALSE, /* pc_relative */
558 complain_overflow_dont, /* complain_on_overflow */
559 _bfd_mips_elf_generic_reloc, /* special_function */
560 "R_MIPS_TLS_DTPMOD32", /* name */
561 TRUE, /* partial_inplace */
562 0xffffffff, /* src_mask */
563 0xffffffff, /* dst_mask */
564 FALSE), /* pcrel_offset */
566 HOWTO (R_MIPS_TLS_DTPREL32, /* type */
568 2, /* size (0 = byte, 1 = short, 2 = long) */
570 FALSE, /* pc_relative */
572 complain_overflow_dont, /* complain_on_overflow */
573 _bfd_mips_elf_generic_reloc, /* special_function */
574 "R_MIPS_TLS_DTPREL32", /* name */
575 TRUE, /* partial_inplace */
576 0xffffffff, /* src_mask */
577 0xffffffff, /* dst_mask */
578 FALSE), /* pcrel_offset */
580 EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64),
581 EMPTY_HOWTO (R_MIPS_TLS_DTPREL64),
583 /* TLS general dynamic variable reference. */
584 HOWTO (R_MIPS_TLS_GD, /* type */
586 2, /* size (0 = byte, 1 = short, 2 = long) */
588 FALSE, /* pc_relative */
590 complain_overflow_signed, /* complain_on_overflow */
591 _bfd_mips_elf_generic_reloc, /* special_function */
592 "R_MIPS_TLS_GD", /* name */
593 TRUE, /* partial_inplace */
594 0x0000ffff, /* src_mask */
595 0x0000ffff, /* dst_mask */
596 FALSE), /* pcrel_offset */
598 /* TLS local dynamic variable reference. */
599 HOWTO (R_MIPS_TLS_LDM, /* type */
601 2, /* size (0 = byte, 1 = short, 2 = long) */
603 FALSE, /* pc_relative */
605 complain_overflow_signed, /* complain_on_overflow */
606 _bfd_mips_elf_generic_reloc, /* special_function */
607 "R_MIPS_TLS_LDM", /* name */
608 TRUE, /* partial_inplace */
609 0x0000ffff, /* src_mask */
610 0x0000ffff, /* dst_mask */
611 FALSE), /* pcrel_offset */
613 /* TLS local dynamic offset. */
614 HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */
616 2, /* size (0 = byte, 1 = short, 2 = long) */
618 FALSE, /* pc_relative */
620 complain_overflow_signed, /* complain_on_overflow */
621 _bfd_mips_elf_generic_reloc, /* special_function */
622 "R_MIPS_TLS_DTPREL_HI16", /* name */
623 TRUE, /* partial_inplace */
624 0x0000ffff, /* src_mask */
625 0x0000ffff, /* dst_mask */
626 FALSE), /* pcrel_offset */
628 /* TLS local dynamic offset. */
629 HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */
631 2, /* size (0 = byte, 1 = short, 2 = long) */
633 FALSE, /* pc_relative */
635 complain_overflow_signed, /* complain_on_overflow */
636 _bfd_mips_elf_generic_reloc, /* special_function */
637 "R_MIPS_TLS_DTPREL_LO16", /* name */
638 TRUE, /* partial_inplace */
639 0x0000ffff, /* src_mask */
640 0x0000ffff, /* dst_mask */
641 FALSE), /* pcrel_offset */
643 /* TLS thread pointer offset. */
644 HOWTO (R_MIPS_TLS_GOTTPREL, /* type */
646 2, /* size (0 = byte, 1 = short, 2 = long) */
648 FALSE, /* pc_relative */
650 complain_overflow_signed, /* complain_on_overflow */
651 _bfd_mips_elf_generic_reloc, /* special_function */
652 "R_MIPS_TLS_GOTTPREL", /* name */
653 TRUE, /* partial_inplace */
654 0x0000ffff, /* src_mask */
655 0x0000ffff, /* dst_mask */
656 FALSE), /* pcrel_offset */
658 /* TLS IE dynamic relocations. */
659 HOWTO (R_MIPS_TLS_TPREL32, /* type */
661 2, /* size (0 = byte, 1 = short, 2 = long) */
663 FALSE, /* pc_relative */
665 complain_overflow_dont, /* complain_on_overflow */
666 _bfd_mips_elf_generic_reloc, /* special_function */
667 "R_MIPS_TLS_TPREL32", /* name */
668 TRUE, /* partial_inplace */
669 0xffffffff, /* src_mask */
670 0xffffffff, /* dst_mask */
671 FALSE), /* pcrel_offset */
673 EMPTY_HOWTO (R_MIPS_TLS_TPREL64),
675 /* TLS thread pointer offset. */
676 HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */
678 2, /* size (0 = byte, 1 = short, 2 = long) */
680 FALSE, /* pc_relative */
682 complain_overflow_signed, /* complain_on_overflow */
683 _bfd_mips_elf_generic_reloc, /* special_function */
684 "R_MIPS_TLS_TPREL_HI16", /* name */
685 TRUE, /* partial_inplace */
686 0x0000ffff, /* src_mask */
687 0x0000ffff, /* dst_mask */
688 FALSE), /* pcrel_offset */
690 /* TLS thread pointer offset. */
691 HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */
693 2, /* size (0 = byte, 1 = short, 2 = long) */
695 FALSE, /* pc_relative */
697 complain_overflow_signed, /* complain_on_overflow */
698 _bfd_mips_elf_generic_reloc, /* special_function */
699 "R_MIPS_TLS_TPREL_LO16", /* name */
700 TRUE, /* partial_inplace */
701 0x0000ffff, /* src_mask */
702 0x0000ffff, /* dst_mask */
703 FALSE), /* pcrel_offset */
705 /* 32 bit relocation with no addend. */
706 HOWTO (R_MIPS_GLOB_DAT, /* type */
708 2, /* size (0 = byte, 1 = short, 2 = long) */
710 FALSE, /* pc_relative */
712 complain_overflow_dont, /* complain_on_overflow */
713 _bfd_mips_elf_generic_reloc, /* special_function */
714 "R_MIPS_GLOB_DAT", /* name */
715 FALSE, /* partial_inplace */
717 0xffffffff, /* dst_mask */
718 FALSE), /* pcrel_offset */
729 HOWTO (R_MIPS_PC21_S2, /* type */
731 2, /* size (0 = byte, 1 = short, 2 = long) */
733 TRUE, /* pc_relative */
735 complain_overflow_signed, /* complain_on_overflow */
736 _bfd_mips_elf_generic_reloc, /* special_function */
737 "R_MIPS_PC21_S2", /* name */
738 TRUE, /* partial_inplace */
739 0x001fffff, /* src_mask */
740 0x001fffff, /* dst_mask */
741 TRUE), /* pcrel_offset */
743 HOWTO (R_MIPS_PC26_S2, /* type */
745 2, /* size (0 = byte, 1 = short, 2 = long) */
747 TRUE, /* pc_relative */
749 complain_overflow_signed, /* complain_on_overflow */
750 _bfd_mips_elf_generic_reloc, /* special_function */
751 "R_MIPS_PC26_S2", /* name */
752 TRUE, /* partial_inplace */
753 0x03ffffff, /* src_mask */
754 0x03ffffff, /* dst_mask */
755 TRUE), /* pcrel_offset */
757 HOWTO (R_MIPS_PC18_S3, /* type */
759 2, /* size (0 = byte, 1 = short, 2 = long) */
761 TRUE, /* pc_relative */
763 complain_overflow_signed, /* complain_on_overflow */
764 _bfd_mips_elf_generic_reloc, /* special_function */
765 "R_MIPS_PC18_S3", /* name */
766 TRUE, /* partial_inplace */
767 0x0003ffff, /* src_mask */
768 0x0003ffff, /* dst_mask */
769 TRUE), /* pcrel_offset */
771 HOWTO (R_MIPS_PC19_S2, /* type */
773 2, /* size (0 = byte, 1 = short, 2 = long) */
775 TRUE, /* pc_relative */
777 complain_overflow_signed, /* complain_on_overflow */
778 _bfd_mips_elf_generic_reloc, /* special_function */
779 "R_MIPS_PC19_S2", /* name */
780 TRUE, /* partial_inplace */
781 0x0007ffff, /* src_mask */
782 0x0007ffff, /* dst_mask */
783 TRUE), /* pcrel_offset */
785 HOWTO (R_MIPS_PCHI16, /* type */
787 2, /* size (0 = byte, 1 = short, 2 = long) */
789 TRUE, /* pc_relative */
791 complain_overflow_signed, /* complain_on_overflow */
792 _bfd_mips_elf_generic_reloc, /* special_function */
793 "R_MIPS_PCHI16", /* name */
794 TRUE, /* partial_inplace */
795 0x0000ffff, /* src_mask */
796 0x0000ffff, /* dst_mask */
797 TRUE), /* pcrel_offset */
799 HOWTO (R_MIPS_PCLO16, /* type */
801 2, /* size (0 = byte, 1 = short, 2 = long) */
803 TRUE, /* pc_relative */
805 complain_overflow_dont, /* complain_on_overflow */
806 _bfd_mips_elf_generic_reloc, /* special_function */
807 "R_MIPS_PCLO16", /* name */
808 TRUE, /* partial_inplace */
809 0x0000ffff, /* src_mask */
810 0x0000ffff, /* dst_mask */
811 TRUE), /* pcrel_offset */
814 /* The reloc used for BFD_RELOC_CTOR when doing a 64 bit link. This
815 is a hack to make the linker think that we need 64 bit values. */
816 static reloc_howto_type elf_mips_ctor64_howto =
817 HOWTO (R_MIPS_64, /* type */
819 4, /* size (0 = byte, 1 = short, 2 = long) */
821 FALSE, /* pc_relative */
823 complain_overflow_signed, /* complain_on_overflow */
824 mips32_64bit_reloc, /* special_function */
825 "R_MIPS_64", /* name */
826 TRUE, /* partial_inplace */
827 0xffffffff, /* src_mask */
828 0xffffffff, /* dst_mask */
829 FALSE); /* pcrel_offset */
831 static reloc_howto_type elf_mips16_howto_table_rel[] =
833 /* The reloc used for the mips16 jump instruction. */
834 HOWTO (R_MIPS16_26, /* type */
836 2, /* size (0 = byte, 1 = short, 2 = long) */
838 FALSE, /* pc_relative */
840 complain_overflow_dont, /* complain_on_overflow */
841 /* This needs complex overflow
842 detection, because the upper four
843 bits must match the PC. */
844 _bfd_mips_elf_generic_reloc, /* special_function */
845 "R_MIPS16_26", /* name */
846 TRUE, /* partial_inplace */
847 0x3ffffff, /* src_mask */
848 0x3ffffff, /* dst_mask */
849 FALSE), /* pcrel_offset */
851 /* The reloc used for the mips16 gprel instruction. */
852 HOWTO (R_MIPS16_GPREL, /* type */
854 2, /* size (0 = byte, 1 = short, 2 = long) */
856 FALSE, /* pc_relative */
858 complain_overflow_signed, /* complain_on_overflow */
859 mips16_gprel_reloc, /* special_function */
860 "R_MIPS16_GPREL", /* name */
861 TRUE, /* partial_inplace */
862 0x0000ffff, /* src_mask */
863 0x0000ffff, /* dst_mask */
864 FALSE), /* pcrel_offset */
866 /* A MIPS16 reference to the global offset table. */
867 HOWTO (R_MIPS16_GOT16, /* type */
869 2, /* size (0 = byte, 1 = short, 2 = long) */
871 FALSE, /* pc_relative */
873 complain_overflow_dont, /* complain_on_overflow */
874 _bfd_mips_elf_got16_reloc, /* special_function */
875 "R_MIPS16_GOT16", /* name */
876 TRUE, /* partial_inplace */
877 0x0000ffff, /* src_mask */
878 0x0000ffff, /* dst_mask */
879 FALSE), /* pcrel_offset */
881 /* A MIPS16 call through the global offset table. */
882 HOWTO (R_MIPS16_CALL16, /* type */
884 2, /* size (0 = byte, 1 = short, 2 = long) */
886 FALSE, /* pc_relative */
888 complain_overflow_dont, /* complain_on_overflow */
889 _bfd_mips_elf_generic_reloc, /* special_function */
890 "R_MIPS16_CALL16", /* name */
891 TRUE, /* partial_inplace */
892 0x0000ffff, /* src_mask */
893 0x0000ffff, /* dst_mask */
894 FALSE), /* pcrel_offset */
896 /* MIPS16 high 16 bits of symbol value. */
897 HOWTO (R_MIPS16_HI16, /* type */
899 2, /* size (0 = byte, 1 = short, 2 = long) */
901 FALSE, /* pc_relative */
903 complain_overflow_dont, /* complain_on_overflow */
904 _bfd_mips_elf_hi16_reloc, /* special_function */
905 "R_MIPS16_HI16", /* name */
906 TRUE, /* partial_inplace */
907 0x0000ffff, /* src_mask */
908 0x0000ffff, /* dst_mask */
909 FALSE), /* pcrel_offset */
911 /* MIPS16 low 16 bits of symbol value. */
912 HOWTO (R_MIPS16_LO16, /* type */
914 2, /* size (0 = byte, 1 = short, 2 = long) */
916 FALSE, /* pc_relative */
918 complain_overflow_dont, /* complain_on_overflow */
919 _bfd_mips_elf_lo16_reloc, /* special_function */
920 "R_MIPS16_LO16", /* name */
921 TRUE, /* partial_inplace */
922 0x0000ffff, /* src_mask */
923 0x0000ffff, /* dst_mask */
924 FALSE), /* pcrel_offset */
926 /* MIPS16 TLS general dynamic variable reference. */
927 HOWTO (R_MIPS16_TLS_GD, /* type */
929 2, /* size (0 = byte, 1 = short, 2 = long) */
931 FALSE, /* pc_relative */
933 complain_overflow_signed, /* complain_on_overflow */
934 _bfd_mips_elf_generic_reloc, /* special_function */
935 "R_MIPS16_TLS_GD", /* name */
936 TRUE, /* partial_inplace */
937 0x0000ffff, /* src_mask */
938 0x0000ffff, /* dst_mask */
939 FALSE), /* pcrel_offset */
941 /* MIPS16 TLS local dynamic variable reference. */
942 HOWTO (R_MIPS16_TLS_LDM, /* type */
944 2, /* size (0 = byte, 1 = short, 2 = long) */
946 FALSE, /* pc_relative */
948 complain_overflow_signed, /* complain_on_overflow */
949 _bfd_mips_elf_generic_reloc, /* special_function */
950 "R_MIPS16_TLS_LDM", /* name */
951 TRUE, /* partial_inplace */
952 0x0000ffff, /* src_mask */
953 0x0000ffff, /* dst_mask */
954 FALSE), /* pcrel_offset */
956 /* MIPS16 TLS local dynamic offset. */
957 HOWTO (R_MIPS16_TLS_DTPREL_HI16, /* type */
959 2, /* size (0 = byte, 1 = short, 2 = long) */
961 FALSE, /* pc_relative */
963 complain_overflow_signed, /* complain_on_overflow */
964 _bfd_mips_elf_generic_reloc, /* special_function */
965 "R_MIPS16_TLS_DTPREL_HI16", /* name */
966 TRUE, /* partial_inplace */
967 0x0000ffff, /* src_mask */
968 0x0000ffff, /* dst_mask */
969 FALSE), /* pcrel_offset */
971 /* MIPS16 TLS local dynamic offset. */
972 HOWTO (R_MIPS16_TLS_DTPREL_LO16, /* type */
974 2, /* size (0 = byte, 1 = short, 2 = long) */
976 FALSE, /* pc_relative */
978 complain_overflow_signed, /* complain_on_overflow */
979 _bfd_mips_elf_generic_reloc, /* special_function */
980 "R_MIPS16_TLS_DTPREL_LO16", /* name */
981 TRUE, /* partial_inplace */
982 0x0000ffff, /* src_mask */
983 0x0000ffff, /* dst_mask */
984 FALSE), /* pcrel_offset */
986 /* MIPS16 TLS thread pointer offset. */
987 HOWTO (R_MIPS16_TLS_GOTTPREL, /* type */
989 2, /* size (0 = byte, 1 = short, 2 = long) */
991 FALSE, /* pc_relative */
993 complain_overflow_signed, /* complain_on_overflow */
994 _bfd_mips_elf_generic_reloc, /* special_function */
995 "R_MIPS16_TLS_GOTTPREL", /* name */
996 TRUE, /* partial_inplace */
997 0x0000ffff, /* src_mask */
998 0x0000ffff, /* dst_mask */
999 FALSE), /* pcrel_offset */
1001 /* MIPS16 TLS thread pointer offset. */
1002 HOWTO (R_MIPS16_TLS_TPREL_HI16, /* type */
1004 2, /* size (0 = byte, 1 = short, 2 = long) */
1006 FALSE, /* pc_relative */
1008 complain_overflow_signed, /* complain_on_overflow */
1009 _bfd_mips_elf_generic_reloc, /* special_function */
1010 "R_MIPS16_TLS_TPREL_HI16", /* name */
1011 TRUE, /* partial_inplace */
1012 0x0000ffff, /* src_mask */
1013 0x0000ffff, /* dst_mask */
1014 FALSE), /* pcrel_offset */
1016 /* MIPS16 TLS thread pointer offset. */
1017 HOWTO (R_MIPS16_TLS_TPREL_LO16, /* type */
1019 2, /* size (0 = byte, 1 = short, 2 = long) */
1021 FALSE, /* pc_relative */
1023 complain_overflow_signed, /* complain_on_overflow */
1024 _bfd_mips_elf_generic_reloc, /* special_function */
1025 "R_MIPS16_TLS_TPREL_LO16", /* name */
1026 TRUE, /* partial_inplace */
1027 0x0000ffff, /* src_mask */
1028 0x0000ffff, /* dst_mask */
1029 FALSE), /* pcrel_offset */
1032 static reloc_howto_type elf_micromips_howto_table_rel[] =
1038 /* 26 bit jump address. */
1039 HOWTO (R_MICROMIPS_26_S1, /* type */
1041 2, /* size (0 = byte, 1 = short, 2 = long) */
1043 FALSE, /* pc_relative */
1045 complain_overflow_dont, /* complain_on_overflow */
1046 /* This needs complex overflow
1047 detection, because the upper four
1048 bits must match the PC. */
1049 _bfd_mips_elf_generic_reloc, /* special_function */
1050 "R_MICROMIPS_26_S1", /* name */
1051 TRUE, /* partial_inplace */
1052 0x3ffffff, /* src_mask */
1053 0x3ffffff, /* dst_mask */
1054 FALSE), /* pcrel_offset */
1056 /* High 16 bits of symbol value. */
1057 HOWTO (R_MICROMIPS_HI16, /* type */
1058 16, /* rightshift */
1059 2, /* size (0 = byte, 1 = short, 2 = long) */
1061 FALSE, /* pc_relative */
1063 complain_overflow_dont, /* complain_on_overflow */
1064 _bfd_mips_elf_hi16_reloc, /* special_function */
1065 "R_MICROMIPS_HI16", /* name */
1066 TRUE, /* partial_inplace */
1067 0x0000ffff, /* src_mask */
1068 0x0000ffff, /* dst_mask */
1069 FALSE), /* pcrel_offset */
1071 /* Low 16 bits of symbol value. */
1072 HOWTO (R_MICROMIPS_LO16, /* type */
1074 2, /* size (0 = byte, 1 = short, 2 = long) */
1076 FALSE, /* pc_relative */
1078 complain_overflow_dont, /* complain_on_overflow */
1079 _bfd_mips_elf_lo16_reloc, /* special_function */
1080 "R_MICROMIPS_LO16", /* name */
1081 TRUE, /* partial_inplace */
1082 0x0000ffff, /* src_mask */
1083 0x0000ffff, /* dst_mask */
1084 FALSE), /* pcrel_offset */
1086 /* GP relative reference. */
1087 HOWTO (R_MICROMIPS_GPREL16, /* type */
1089 2, /* size (0 = byte, 1 = short, 2 = long) */
1091 FALSE, /* pc_relative */
1093 complain_overflow_signed, /* complain_on_overflow */
1094 _bfd_mips_elf32_gprel16_reloc, /* special_function */
1095 "R_MICROMIPS_GPREL16", /* name */
1096 TRUE, /* partial_inplace */
1097 0x0000ffff, /* src_mask */
1098 0x0000ffff, /* dst_mask */
1099 FALSE), /* pcrel_offset */
1101 /* Reference to literal section. */
1102 HOWTO (R_MICROMIPS_LITERAL, /* type */
1104 2, /* size (0 = byte, 1 = short, 2 = long) */
1106 FALSE, /* pc_relative */
1108 complain_overflow_signed, /* complain_on_overflow */
1109 _bfd_mips_elf32_gprel16_reloc, /* special_function */
1110 "R_MICROMIPS_LITERAL", /* name */
1111 TRUE, /* partial_inplace */
1112 0x0000ffff, /* src_mask */
1113 0x0000ffff, /* dst_mask */
1114 FALSE), /* pcrel_offset */
1116 /* Reference to global offset table. */
1117 HOWTO (R_MICROMIPS_GOT16, /* type */
1119 2, /* size (0 = byte, 1 = short, 2 = long) */
1121 FALSE, /* pc_relative */
1123 complain_overflow_signed, /* complain_on_overflow */
1124 _bfd_mips_elf_got16_reloc, /* special_function */
1125 "R_MICROMIPS_GOT16", /* name */
1126 TRUE, /* partial_inplace */
1127 0x0000ffff, /* src_mask */
1128 0x0000ffff, /* dst_mask */
1129 FALSE), /* pcrel_offset */
1131 /* This is for microMIPS branches. */
1132 HOWTO (R_MICROMIPS_PC7_S1, /* type */
1134 1, /* size (0 = byte, 1 = short, 2 = long) */
1136 TRUE, /* pc_relative */
1138 complain_overflow_signed, /* complain_on_overflow */
1139 _bfd_mips_elf_generic_reloc, /* special_function */
1140 "R_MICROMIPS_PC7_S1", /* name */
1141 TRUE, /* partial_inplace */
1142 0x0000007f, /* src_mask */
1143 0x0000007f, /* dst_mask */
1144 TRUE), /* pcrel_offset */
1146 HOWTO (R_MICROMIPS_PC10_S1, /* type */
1148 1, /* size (0 = byte, 1 = short, 2 = long) */
1150 TRUE, /* pc_relative */
1152 complain_overflow_signed, /* complain_on_overflow */
1153 _bfd_mips_elf_generic_reloc, /* special_function */
1154 "R_MICROMIPS_PC10_S1", /* name */
1155 TRUE, /* partial_inplace */
1156 0x000003ff, /* src_mask */
1157 0x000003ff, /* dst_mask */
1158 TRUE), /* pcrel_offset */
1160 HOWTO (R_MICROMIPS_PC16_S1, /* type */
1162 2, /* size (0 = byte, 1 = short, 2 = long) */
1164 TRUE, /* pc_relative */
1166 complain_overflow_signed, /* complain_on_overflow */
1167 _bfd_mips_elf_generic_reloc, /* special_function */
1168 "R_MICROMIPS_PC16_S1", /* name */
1169 TRUE, /* partial_inplace */
1170 0x0000ffff, /* src_mask */
1171 0x0000ffff, /* dst_mask */
1172 TRUE), /* pcrel_offset */
1174 /* 16 bit call through global offset table. */
1175 HOWTO (R_MICROMIPS_CALL16, /* type */
1177 2, /* size (0 = byte, 1 = short, 2 = long) */
1179 FALSE, /* pc_relative */
1181 complain_overflow_signed, /* complain_on_overflow */
1182 _bfd_mips_elf_generic_reloc, /* special_function */
1183 "R_MICROMIPS_CALL16", /* name */
1184 TRUE, /* partial_inplace */
1185 0x0000ffff, /* src_mask */
1186 0x0000ffff, /* dst_mask */
1187 FALSE), /* pcrel_offset */
1192 /* Displacement in the global offset table. */
1193 HOWTO (R_MICROMIPS_GOT_DISP, /* type */
1195 2, /* size (0 = byte, 1 = short, 2 = long) */
1197 FALSE, /* pc_relative */
1199 complain_overflow_signed, /* complain_on_overflow */
1200 _bfd_mips_elf_generic_reloc, /* special_function */
1201 "R_MICROMIPS_GOT_DISP",/* name */
1202 TRUE, /* partial_inplace */
1203 0x0000ffff, /* src_mask */
1204 0x0000ffff, /* dst_mask */
1205 FALSE), /* pcrel_offset */
1207 /* Displacement to page pointer in the global offset table. */
1208 HOWTO (R_MICROMIPS_GOT_PAGE, /* type */
1210 2, /* size (0 = byte, 1 = short, 2 = long) */
1212 FALSE, /* pc_relative */
1214 complain_overflow_signed, /* complain_on_overflow */
1215 _bfd_mips_elf_generic_reloc, /* special_function */
1216 "R_MICROMIPS_GOT_PAGE",/* name */
1217 TRUE, /* partial_inplace */
1218 0x0000ffff, /* src_mask */
1219 0x0000ffff, /* dst_mask */
1220 FALSE), /* pcrel_offset */
1222 /* Offset from page pointer in the global offset table. */
1223 HOWTO (R_MICROMIPS_GOT_OFST, /* type */
1225 2, /* size (0 = byte, 1 = short, 2 = long) */
1227 FALSE, /* pc_relative */
1229 complain_overflow_signed, /* complain_on_overflow */
1230 _bfd_mips_elf_generic_reloc, /* special_function */
1231 "R_MICROMIPS_GOT_OFST",/* name */
1232 TRUE, /* partial_inplace */
1233 0x0000ffff, /* src_mask */
1234 0x0000ffff, /* dst_mask */
1235 FALSE), /* pcrel_offset */
1237 /* High 16 bits of displacement in global offset table. */
1238 HOWTO (R_MICROMIPS_GOT_HI16, /* type */
1240 2, /* size (0 = byte, 1 = short, 2 = long) */
1242 FALSE, /* pc_relative */
1244 complain_overflow_dont, /* complain_on_overflow */
1245 _bfd_mips_elf_generic_reloc, /* special_function */
1246 "R_MICROMIPS_GOT_HI16",/* name */
1247 TRUE, /* partial_inplace */
1248 0x0000ffff, /* src_mask */
1249 0x0000ffff, /* dst_mask */
1250 FALSE), /* pcrel_offset */
1252 /* Low 16 bits of displacement in global offset table. */
1253 HOWTO (R_MICROMIPS_GOT_LO16, /* type */
1255 2, /* size (0 = byte, 1 = short, 2 = long) */
1257 FALSE, /* pc_relative */
1259 complain_overflow_dont, /* complain_on_overflow */
1260 _bfd_mips_elf_generic_reloc, /* special_function */
1261 "R_MICROMIPS_GOT_LO16",/* name */
1262 TRUE, /* partial_inplace */
1263 0x0000ffff, /* src_mask */
1264 0x0000ffff, /* dst_mask */
1265 FALSE), /* pcrel_offset */
1267 /* 64 bit subtraction. Used in the N32 ABI. */
1268 HOWTO (R_MICROMIPS_SUB, /* type */
1270 4, /* size (0 = byte, 1 = short, 2 = long) */
1272 FALSE, /* pc_relative */
1274 complain_overflow_dont, /* complain_on_overflow */
1275 _bfd_mips_elf_generic_reloc, /* special_function */
1276 "R_MICROMIPS_SUB", /* name */
1277 TRUE, /* partial_inplace */
1278 MINUS_ONE, /* src_mask */
1279 MINUS_ONE, /* dst_mask */
1280 FALSE), /* pcrel_offset */
1282 /* Get the higher value of a 64 bit addend. */
1283 HOWTO (R_MICROMIPS_HIGHER, /* type */
1285 2, /* size (0 = byte, 1 = short, 2 = long) */
1287 FALSE, /* pc_relative */
1289 complain_overflow_dont, /* complain_on_overflow */
1290 _bfd_mips_elf_generic_reloc, /* special_function */
1291 "R_MICROMIPS_HIGHER", /* name */
1292 TRUE, /* partial_inplace */
1293 0x0000ffff, /* src_mask */
1294 0x0000ffff, /* dst_mask */
1295 FALSE), /* pcrel_offset */
1297 /* Get the highest value of a 64 bit addend. */
1298 HOWTO (R_MICROMIPS_HIGHEST, /* type */
1300 2, /* size (0 = byte, 1 = short, 2 = long) */
1302 FALSE, /* pc_relative */
1304 complain_overflow_dont, /* complain_on_overflow */
1305 _bfd_mips_elf_generic_reloc, /* special_function */
1306 "R_MICROMIPS_HIGHEST", /* name */
1307 TRUE, /* partial_inplace */
1308 0x0000ffff, /* src_mask */
1309 0x0000ffff, /* dst_mask */
1310 FALSE), /* pcrel_offset */
1312 /* High 16 bits of displacement in global offset table. */
1313 HOWTO (R_MICROMIPS_CALL_HI16, /* type */
1315 2, /* size (0 = byte, 1 = short, 2 = long) */
1317 FALSE, /* pc_relative */
1319 complain_overflow_dont, /* complain_on_overflow */
1320 _bfd_mips_elf_generic_reloc, /* special_function */
1321 "R_MICROMIPS_CALL_HI16",/* name */
1322 TRUE, /* partial_inplace */
1323 0x0000ffff, /* src_mask */
1324 0x0000ffff, /* dst_mask */
1325 FALSE), /* pcrel_offset */
1327 /* Low 16 bits of displacement in global offset table. */
1328 HOWTO (R_MICROMIPS_CALL_LO16, /* type */
1330 2, /* size (0 = byte, 1 = short, 2 = long) */
1332 FALSE, /* pc_relative */
1334 complain_overflow_dont, /* complain_on_overflow */
1335 _bfd_mips_elf_generic_reloc, /* special_function */
1336 "R_MICROMIPS_CALL_LO16",/* name */
1337 TRUE, /* partial_inplace */
1338 0x0000ffff, /* src_mask */
1339 0x0000ffff, /* dst_mask */
1340 FALSE), /* pcrel_offset */
1342 /* Section displacement. */
1343 HOWTO (R_MICROMIPS_SCN_DISP, /* type */
1345 2, /* size (0 = byte, 1 = short, 2 = long) */
1347 FALSE, /* pc_relative */
1349 complain_overflow_dont, /* complain_on_overflow */
1350 _bfd_mips_elf_generic_reloc, /* special_function */
1351 "R_MICROMIPS_SCN_DISP",/* name */
1352 TRUE, /* partial_inplace */
1353 0xffffffff, /* src_mask */
1354 0xffffffff, /* dst_mask */
1355 FALSE), /* pcrel_offset */
1357 /* Protected jump conversion. This is an optimization hint. No
1358 relocation is required for correctness. */
1359 HOWTO (R_MICROMIPS_JALR, /* type */
1361 2, /* size (0 = byte, 1 = short, 2 = long) */
1363 FALSE, /* pc_relative */
1365 complain_overflow_dont, /* complain_on_overflow */
1366 _bfd_mips_elf_generic_reloc, /* special_function */
1367 "R_MICROMIPS_JALR", /* name */
1368 FALSE, /* partial_inplace */
1369 0x00000000, /* src_mask */
1370 0x00000000, /* dst_mask */
1371 FALSE), /* pcrel_offset */
1373 /* Low 16 bits of symbol value. Note that the high 16 bits of symbol values
1374 must be zero. This is used for relaxation. */
1375 HOWTO (R_MICROMIPS_HI0_LO16, /* type */
1377 2, /* size (0 = byte, 1 = short, 2 = long) */
1379 FALSE, /* pc_relative */
1381 complain_overflow_dont, /* complain_on_overflow */
1382 _bfd_mips_elf_generic_reloc, /* special_function */
1383 "R_MICROMIPS_HI0_LO16",/* name */
1384 TRUE, /* partial_inplace */
1385 0x0000ffff, /* src_mask */
1386 0x0000ffff, /* dst_mask */
1387 FALSE), /* pcrel_offset */
1394 /* TLS general dynamic variable reference. */
1395 HOWTO (R_MICROMIPS_TLS_GD, /* type */
1397 2, /* size (0 = byte, 1 = short, 2 = long) */
1399 FALSE, /* pc_relative */
1401 complain_overflow_signed, /* complain_on_overflow */
1402 _bfd_mips_elf_generic_reloc, /* special_function */
1403 "R_MICROMIPS_TLS_GD", /* name */
1404 TRUE, /* partial_inplace */
1405 0x0000ffff, /* src_mask */
1406 0x0000ffff, /* dst_mask */
1407 FALSE), /* pcrel_offset */
1409 /* TLS local dynamic variable reference. */
1410 HOWTO (R_MICROMIPS_TLS_LDM, /* type */
1412 2, /* size (0 = byte, 1 = short, 2 = long) */
1414 FALSE, /* pc_relative */
1416 complain_overflow_signed, /* complain_on_overflow */
1417 _bfd_mips_elf_generic_reloc, /* special_function */
1418 "R_MICROMIPS_TLS_LDM", /* name */
1419 TRUE, /* partial_inplace */
1420 0x0000ffff, /* src_mask */
1421 0x0000ffff, /* dst_mask */
1422 FALSE), /* pcrel_offset */
1424 /* TLS local dynamic offset. */
1425 HOWTO (R_MICROMIPS_TLS_DTPREL_HI16, /* type */
1427 2, /* size (0 = byte, 1 = short, 2 = long) */
1429 FALSE, /* pc_relative */
1431 complain_overflow_signed, /* complain_on_overflow */
1432 _bfd_mips_elf_generic_reloc, /* special_function */
1433 "R_MICROMIPS_TLS_DTPREL_HI16", /* name */
1434 TRUE, /* partial_inplace */
1435 0x0000ffff, /* src_mask */
1436 0x0000ffff, /* dst_mask */
1437 FALSE), /* pcrel_offset */
1439 /* TLS local dynamic offset. */
1440 HOWTO (R_MICROMIPS_TLS_DTPREL_LO16, /* type */
1442 2, /* size (0 = byte, 1 = short, 2 = long) */
1444 FALSE, /* pc_relative */
1446 complain_overflow_signed, /* complain_on_overflow */
1447 _bfd_mips_elf_generic_reloc, /* special_function */
1448 "R_MICROMIPS_TLS_DTPREL_LO16", /* name */
1449 TRUE, /* partial_inplace */
1450 0x0000ffff, /* src_mask */
1451 0x0000ffff, /* dst_mask */
1452 FALSE), /* pcrel_offset */
1454 /* TLS thread pointer offset. */
1455 HOWTO (R_MICROMIPS_TLS_GOTTPREL, /* type */
1457 2, /* size (0 = byte, 1 = short, 2 = long) */
1459 FALSE, /* pc_relative */
1461 complain_overflow_signed, /* complain_on_overflow */
1462 _bfd_mips_elf_generic_reloc, /* special_function */
1463 "R_MICROMIPS_TLS_GOTTPREL", /* name */
1464 TRUE, /* partial_inplace */
1465 0x0000ffff, /* src_mask */
1466 0x0000ffff, /* dst_mask */
1467 FALSE), /* pcrel_offset */
1472 /* TLS thread pointer offset. */
1473 HOWTO (R_MICROMIPS_TLS_TPREL_HI16, /* type */
1475 2, /* size (0 = byte, 1 = short, 2 = long) */
1477 FALSE, /* pc_relative */
1479 complain_overflow_signed, /* complain_on_overflow */
1480 _bfd_mips_elf_generic_reloc, /* special_function */
1481 "R_MICROMIPS_TLS_TPREL_HI16", /* name */
1482 TRUE, /* partial_inplace */
1483 0x0000ffff, /* src_mask */
1484 0x0000ffff, /* dst_mask */
1485 FALSE), /* pcrel_offset */
1487 /* TLS thread pointer offset. */
1488 HOWTO (R_MICROMIPS_TLS_TPREL_LO16, /* type */
1490 2, /* size (0 = byte, 1 = short, 2 = long) */
1492 FALSE, /* pc_relative */
1494 complain_overflow_signed, /* complain_on_overflow */
1495 _bfd_mips_elf_generic_reloc, /* special_function */
1496 "R_MICROMIPS_TLS_TPREL_LO16", /* name */
1497 TRUE, /* partial_inplace */
1498 0x0000ffff, /* src_mask */
1499 0x0000ffff, /* dst_mask */
1500 FALSE), /* pcrel_offset */
1504 /* GP- and PC-relative relocations. */
1505 HOWTO (R_MICROMIPS_GPREL7_S2, /* type */
1507 1, /* size (0 = byte, 1 = short, 2 = long) */
1509 FALSE, /* pc_relative */
1511 complain_overflow_signed, /* complain_on_overflow */
1512 _bfd_mips_elf32_gprel16_reloc, /* special_function */
1513 "R_MICROMIPS_GPREL7_S2", /* name */
1514 TRUE, /* partial_inplace */
1515 0x0000007f, /* src_mask */
1516 0x0000007f, /* dst_mask */
1517 FALSE), /* pcrel_offset */
1519 HOWTO (R_MICROMIPS_PC23_S2, /* type */
1521 2, /* size (0 = byte, 1 = short, 2 = long) */
1523 TRUE, /* pc_relative */
1525 complain_overflow_signed, /* complain_on_overflow */
1526 _bfd_mips_elf_generic_reloc, /* special_function */
1527 "R_MICROMIPS_PC23_S2", /* name */
1528 TRUE, /* partial_inplace */
1529 0x007fffff, /* src_mask */
1530 0x007fffff, /* dst_mask */
1531 TRUE), /* pcrel_offset */
1534 /* 16 bit offset for pc-relative branches. */
1535 static reloc_howto_type elf_mips_gnu_rel16_s2 =
1536 HOWTO (R_MIPS_GNU_REL16_S2, /* type */
1538 2, /* size (0 = byte, 1 = short, 2 = long) */
1540 TRUE, /* pc_relative */
1542 complain_overflow_signed, /* complain_on_overflow */
1543 _bfd_mips_elf_generic_reloc, /* special_function */
1544 "R_MIPS_GNU_REL16_S2", /* name */
1545 TRUE, /* partial_inplace */
1546 0xffff, /* src_mask */
1547 0xffff, /* dst_mask */
1548 TRUE); /* pcrel_offset */
1550 /* 32 bit pc-relative. This was a GNU extension used by embedded-PIC.
1551 It was co-opted by mips-linux for exception-handling data. It is no
1552 longer used, but should continue to be supported by the linker for
1553 backward compatibility. (GCC stopped using it in May, 2004.) */
1554 static reloc_howto_type elf_mips_gnu_pcrel32 =
1555 HOWTO (R_MIPS_PC32, /* type */
1557 2, /* size (0 = byte, 1 = short, 2 = long) */
1559 TRUE, /* pc_relative */
1561 complain_overflow_signed, /* complain_on_overflow */
1562 _bfd_mips_elf_generic_reloc, /* special_function */
1563 "R_MIPS_PC32", /* name */
1564 TRUE, /* partial_inplace */
1565 0xffffffff, /* src_mask */
1566 0xffffffff, /* dst_mask */
1567 TRUE); /* pcrel_offset */
1569 /* GNU extension to record C++ vtable hierarchy */
1570 static reloc_howto_type elf_mips_gnu_vtinherit_howto =
1571 HOWTO (R_MIPS_GNU_VTINHERIT, /* type */
1573 2, /* size (0 = byte, 1 = short, 2 = long) */
1575 FALSE, /* pc_relative */
1577 complain_overflow_dont, /* complain_on_overflow */
1578 NULL, /* special_function */
1579 "R_MIPS_GNU_VTINHERIT", /* name */
1580 FALSE, /* partial_inplace */
1583 FALSE); /* pcrel_offset */
1585 /* GNU extension to record C++ vtable member usage */
1586 static reloc_howto_type elf_mips_gnu_vtentry_howto =
1587 HOWTO (R_MIPS_GNU_VTENTRY, /* type */
1589 2, /* size (0 = byte, 1 = short, 2 = long) */
1591 FALSE, /* pc_relative */
1593 complain_overflow_dont, /* complain_on_overflow */
1594 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
1595 "R_MIPS_GNU_VTENTRY", /* name */
1596 FALSE, /* partial_inplace */
1599 FALSE); /* pcrel_offset */
1601 /* Originally a VxWorks extension, but now used for other systems too. */
1602 static reloc_howto_type elf_mips_copy_howto =
1603 HOWTO (R_MIPS_COPY, /* type */
1605 0, /* this one is variable size */
1607 FALSE, /* pc_relative */
1609 complain_overflow_bitfield, /* complain_on_overflow */
1610 _bfd_mips_elf_generic_reloc, /* special_function */
1611 "R_MIPS_COPY", /* name */
1612 FALSE, /* partial_inplace */
1615 FALSE); /* pcrel_offset */
1617 /* Originally a VxWorks extension, but now used for other systems too. */
1618 static reloc_howto_type elf_mips_jump_slot_howto =
1619 HOWTO (R_MIPS_JUMP_SLOT, /* type */
1621 2, /* size (0 = byte, 1 = short, 2 = long) */
1623 FALSE, /* pc_relative */
1625 complain_overflow_bitfield, /* complain_on_overflow */
1626 _bfd_mips_elf_generic_reloc, /* special_function */
1627 "R_MIPS_JUMP_SLOT", /* name */
1628 FALSE, /* partial_inplace */
1631 FALSE); /* pcrel_offset */
1633 /* Used in EH tables. */
1634 static reloc_howto_type elf_mips_eh_howto =
1635 HOWTO (R_MIPS_EH, /* type */
1637 2, /* size (0 = byte, 1 = short, 2 = long) */
1639 FALSE, /* pc_relative */
1641 complain_overflow_signed, /* complain_on_overflow */
1642 _bfd_mips_elf_generic_reloc, /* special_function */
1643 "R_MIPS_EH", /* name */
1644 TRUE, /* partial_inplace */
1645 0xffffffff, /* src_mask */
1646 0xffffffff, /* dst_mask */
1647 FALSE); /* pcrel_offset */
1649 /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a
1650 dangerous relocation. */
1653 mips_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp)
1659 /* If we've already figured out what GP will be, just return it. */
1660 *pgp = _bfd_get_gp_value (output_bfd);
1664 count = bfd_get_symcount (output_bfd);
1665 sym = bfd_get_outsymbols (output_bfd);
1667 /* The linker script will have created a symbol named `_gp' with the
1668 appropriate value. */
1673 for (i = 0; i < count; i++, sym++)
1675 register const char *name;
1677 name = bfd_asymbol_name (*sym);
1678 if (*name == '_' && strcmp (name, "_gp") == 0)
1680 *pgp = bfd_asymbol_value (*sym);
1681 _bfd_set_gp_value (output_bfd, *pgp);
1689 /* Only get the error once. */
1691 _bfd_set_gp_value (output_bfd, *pgp);
1698 /* We have to figure out the gp value, so that we can adjust the
1699 symbol value correctly. We look up the symbol _gp in the output
1700 BFD. If we can't find it, we're stuck. We cache it in the ELF
1701 target data. We don't need to adjust the symbol value for an
1702 external symbol if we are producing relocatable output. */
1704 static bfd_reloc_status_type
1705 mips_elf_final_gp (bfd *output_bfd, asymbol *symbol, bfd_boolean relocatable,
1706 char **error_message, bfd_vma *pgp)
1708 if (bfd_is_und_section (symbol->section)
1712 return bfd_reloc_undefined;
1715 *pgp = _bfd_get_gp_value (output_bfd);
1718 || (symbol->flags & BSF_SECTION_SYM) != 0))
1722 /* Make up a value. */
1723 *pgp = symbol->section->output_section->vma /*+ 0x4000*/;
1724 _bfd_set_gp_value (output_bfd, *pgp);
1726 else if (!mips_elf_assign_gp (output_bfd, pgp))
1729 (char *) _("GP relative relocation when _gp not defined");
1730 return bfd_reloc_dangerous;
1734 return bfd_reloc_ok;
1737 /* Do a R_MIPS_GPREL16 relocation. This is a 16 bit value which must
1738 become the offset from the gp register. This function also handles
1739 R_MIPS_LITERAL relocations, although those can be handled more
1740 cleverly because the entries in the .lit8 and .lit4 sections can be
1743 bfd_reloc_status_type
1744 _bfd_mips_elf32_gprel16_reloc (bfd *abfd, arelent *reloc_entry,
1745 asymbol *symbol, void *data,
1746 asection *input_section, bfd *output_bfd,
1747 char **error_message)
1749 bfd_boolean relocatable;
1750 bfd_reloc_status_type ret;
1754 /* R_MIPS_LITERAL/R_MICROMIPS_LITERAL relocations are defined for local
1756 if (literal_reloc_p (reloc_entry->howto->type)
1757 && output_bfd != NULL
1758 && (symbol->flags & BSF_SECTION_SYM) == 0
1759 && (symbol->flags & BSF_LOCAL) != 0)
1761 *error_message = (char *)
1762 _("literal relocation occurs for an external symbol");
1763 return bfd_reloc_outofrange;
1766 if (output_bfd != NULL)
1770 relocatable = FALSE;
1771 output_bfd = symbol->section->output_section->owner;
1774 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message,
1776 if (ret != bfd_reloc_ok)
1779 location = (bfd_byte *) data + reloc_entry->address;
1780 _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE,
1782 ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
1783 input_section, relocatable,
1785 _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable,
1791 /* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must
1792 become the offset from the gp register. */
1794 static bfd_reloc_status_type
1795 mips_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
1796 void *data, asection *input_section, bfd *output_bfd,
1797 char **error_message)
1799 bfd_boolean relocatable;
1800 bfd_reloc_status_type ret;
1803 /* R_MIPS_GPREL32 relocations are defined for local symbols only. */
1804 if (output_bfd != NULL
1805 && (symbol->flags & BSF_SECTION_SYM) == 0
1806 && (symbol->flags & BSF_LOCAL) != 0)
1808 *error_message = (char *)
1809 _("32bits gp relative relocation occurs for an external symbol");
1810 return bfd_reloc_outofrange;
1813 if (output_bfd != NULL)
1817 relocatable = FALSE;
1818 output_bfd = symbol->section->output_section->owner;
1821 ret = mips_elf_final_gp (output_bfd, symbol, relocatable,
1822 error_message, &gp);
1823 if (ret != bfd_reloc_ok)
1826 return gprel32_with_gp (abfd, symbol, reloc_entry, input_section,
1827 relocatable, data, gp);
1830 static bfd_reloc_status_type
1831 gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry,
1832 asection *input_section, bfd_boolean relocatable,
1833 void *data, bfd_vma gp)
1838 if (bfd_is_com_section (symbol->section))
1841 relocation = symbol->value;
1843 relocation += symbol->section->output_section->vma;
1844 relocation += symbol->section->output_offset;
1846 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
1847 return bfd_reloc_outofrange;
1849 /* Set val to the offset into the section or symbol. */
1850 val = reloc_entry->addend;
1852 if (reloc_entry->howto->partial_inplace)
1853 val += bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
1855 /* Adjust val for the final section location and GP value. If we
1856 are producing relocatable output, we don't want to do this for
1857 an external symbol. */
1859 || (symbol->flags & BSF_SECTION_SYM) != 0)
1860 val += relocation - gp;
1862 if (reloc_entry->howto->partial_inplace)
1863 bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address);
1865 reloc_entry->addend = val;
1868 reloc_entry->address += input_section->output_offset;
1870 return bfd_reloc_ok;
1873 /* Handle a 64 bit reloc in a 32 bit MIPS ELF file. These are
1874 generated when addresses are 64 bits. The upper 32 bits are a simple
1877 static bfd_reloc_status_type
1878 mips32_64bit_reloc (bfd *abfd, arelent *reloc_entry,
1879 asymbol *symbol ATTRIBUTE_UNUSED,
1880 void *data, asection *input_section,
1881 bfd *output_bfd, char **error_message)
1883 bfd_reloc_status_type r;
1888 /* Do a normal 32 bit relocation on the lower 32 bits. */
1889 reloc32 = *reloc_entry;
1890 if (bfd_big_endian (abfd))
1891 reloc32.address += 4;
1892 reloc32.howto = &elf_mips_howto_table_rel[R_MIPS_32];
1893 r = bfd_perform_relocation (abfd, &reloc32, data, input_section,
1894 output_bfd, error_message);
1896 /* Sign extend into the upper 32 bits. */
1897 val = bfd_get_32 (abfd, (bfd_byte *) data + reloc32.address);
1898 if ((val & 0x80000000) != 0)
1902 addr = reloc_entry->address;
1903 if (bfd_little_endian (abfd))
1905 bfd_put_32 (abfd, val, (bfd_byte *) data + addr);
1910 /* Handle a mips16 GP relative reloc. */
1912 static bfd_reloc_status_type
1913 mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
1914 void *data, asection *input_section, bfd *output_bfd,
1915 char **error_message)
1917 bfd_boolean relocatable;
1918 bfd_reloc_status_type ret;
1922 /* If we're relocating, and this is an external symbol, we don't want
1923 to change anything. */
1924 if (output_bfd != NULL
1925 && (symbol->flags & BSF_SECTION_SYM) == 0
1926 && (symbol->flags & BSF_LOCAL) != 0)
1928 reloc_entry->address += input_section->output_offset;
1929 return bfd_reloc_ok;
1932 if (output_bfd != NULL)
1936 relocatable = FALSE;
1937 output_bfd = symbol->section->output_section->owner;
1940 ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message,
1942 if (ret != bfd_reloc_ok)
1945 location = (bfd_byte *) data + reloc_entry->address;
1946 _bfd_mips_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE,
1948 ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry,
1949 input_section, relocatable,
1951 _bfd_mips_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable,
1957 /* A mapping from BFD reloc types to MIPS ELF reloc types. */
1959 struct elf_reloc_map {
1960 bfd_reloc_code_real_type bfd_val;
1961 enum elf_mips_reloc_type elf_val;
1964 static const struct elf_reloc_map mips_reloc_map[] =
1966 { BFD_RELOC_NONE, R_MIPS_NONE },
1967 { BFD_RELOC_16, R_MIPS_16 },
1968 { BFD_RELOC_32, R_MIPS_32 },
1969 /* There is no BFD reloc for R_MIPS_REL32. */
1970 { BFD_RELOC_64, R_MIPS_64 },
1971 { BFD_RELOC_MIPS_JMP, R_MIPS_26 },
1972 { BFD_RELOC_HI16_S, R_MIPS_HI16 },
1973 { BFD_RELOC_LO16, R_MIPS_LO16 },
1974 { BFD_RELOC_GPREL16, R_MIPS_GPREL16 },
1975 { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL },
1976 { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 },
1977 { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 },
1978 { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 },
1979 { BFD_RELOC_GPREL32, R_MIPS_GPREL32 },
1980 { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 },
1981 { BFD_RELOC_MIPS_GOT_LO16, R_MIPS_GOT_LO16 },
1982 { BFD_RELOC_MIPS_CALL_HI16, R_MIPS_CALL_HI16 },
1983 { BFD_RELOC_MIPS_CALL_LO16, R_MIPS_CALL_LO16 },
1984 { BFD_RELOC_MIPS_SUB, R_MIPS_SUB },
1985 { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE },
1986 { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST },
1987 { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP },
1988 { BFD_RELOC_MIPS_JALR, R_MIPS_JALR },
1989 { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 },
1990 { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 },
1991 { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 },
1992 { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 },
1993 { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD },
1994 { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM },
1995 { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 },
1996 { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 },
1997 { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL },
1998 { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 },
1999 { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 },
2000 { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 },
2001 { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 },
2002 { BFD_RELOC_MIPS_21_PCREL_S2, R_MIPS_PC21_S2 },
2003 { BFD_RELOC_MIPS_26_PCREL_S2, R_MIPS_PC26_S2 },
2004 { BFD_RELOC_MIPS_18_PCREL_S3, R_MIPS_PC18_S3 },
2005 { BFD_RELOC_MIPS_19_PCREL_S2, R_MIPS_PC19_S2 },
2006 { BFD_RELOC_HI16_S_PCREL, R_MIPS_PCHI16 },
2007 { BFD_RELOC_LO16_PCREL, R_MIPS_PCLO16 }
2010 static const struct elf_reloc_map mips16_reloc_map[] =
2012 { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min },
2013 { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min },
2014 { BFD_RELOC_MIPS16_GOT16, R_MIPS16_GOT16 - R_MIPS16_min },
2015 { BFD_RELOC_MIPS16_CALL16, R_MIPS16_CALL16 - R_MIPS16_min },
2016 { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min },
2017 { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min },
2018 { BFD_RELOC_MIPS16_TLS_GD, R_MIPS16_TLS_GD - R_MIPS16_min },
2019 { BFD_RELOC_MIPS16_TLS_LDM, R_MIPS16_TLS_LDM - R_MIPS16_min },
2020 { BFD_RELOC_MIPS16_TLS_DTPREL_HI16,
2021 R_MIPS16_TLS_DTPREL_HI16 - R_MIPS16_min },
2022 { BFD_RELOC_MIPS16_TLS_DTPREL_LO16,
2023 R_MIPS16_TLS_DTPREL_LO16 - R_MIPS16_min },
2024 { BFD_RELOC_MIPS16_TLS_GOTTPREL, R_MIPS16_TLS_GOTTPREL - R_MIPS16_min },
2025 { BFD_RELOC_MIPS16_TLS_TPREL_HI16, R_MIPS16_TLS_TPREL_HI16 - R_MIPS16_min },
2026 { BFD_RELOC_MIPS16_TLS_TPREL_LO16, R_MIPS16_TLS_TPREL_LO16 - R_MIPS16_min }
2029 static const struct elf_reloc_map micromips_reloc_map[] =
2031 { BFD_RELOC_MICROMIPS_JMP, R_MICROMIPS_26_S1 - R_MICROMIPS_min },
2032 { BFD_RELOC_MICROMIPS_HI16_S, R_MICROMIPS_HI16 - R_MICROMIPS_min },
2033 { BFD_RELOC_MICROMIPS_LO16, R_MICROMIPS_LO16 - R_MICROMIPS_min },
2034 { BFD_RELOC_MICROMIPS_GPREL16, R_MICROMIPS_GPREL16 - R_MICROMIPS_min },
2035 { BFD_RELOC_MICROMIPS_LITERAL, R_MICROMIPS_LITERAL - R_MICROMIPS_min },
2036 { BFD_RELOC_MICROMIPS_GOT16, R_MICROMIPS_GOT16 - R_MICROMIPS_min },
2037 { BFD_RELOC_MICROMIPS_7_PCREL_S1, R_MICROMIPS_PC7_S1 - R_MICROMIPS_min },
2038 { BFD_RELOC_MICROMIPS_10_PCREL_S1, R_MICROMIPS_PC10_S1 - R_MICROMIPS_min },
2039 { BFD_RELOC_MICROMIPS_16_PCREL_S1, R_MICROMIPS_PC16_S1 - R_MICROMIPS_min },
2040 { BFD_RELOC_MICROMIPS_CALL16, R_MICROMIPS_CALL16 - R_MICROMIPS_min },
2041 { BFD_RELOC_MICROMIPS_GOT_DISP, R_MICROMIPS_GOT_DISP - R_MICROMIPS_min },
2042 { BFD_RELOC_MICROMIPS_GOT_PAGE, R_MICROMIPS_GOT_PAGE - R_MICROMIPS_min },
2043 { BFD_RELOC_MICROMIPS_GOT_OFST, R_MICROMIPS_GOT_OFST - R_MICROMIPS_min },
2044 { BFD_RELOC_MICROMIPS_GOT_HI16, R_MICROMIPS_GOT_HI16 - R_MICROMIPS_min },
2045 { BFD_RELOC_MICROMIPS_GOT_LO16, R_MICROMIPS_GOT_LO16 - R_MICROMIPS_min },
2046 { BFD_RELOC_MICROMIPS_SUB, R_MICROMIPS_SUB - R_MICROMIPS_min },
2047 { BFD_RELOC_MICROMIPS_HIGHER, R_MICROMIPS_HIGHER - R_MICROMIPS_min },
2048 { BFD_RELOC_MICROMIPS_HIGHEST, R_MICROMIPS_HIGHEST - R_MICROMIPS_min },
2049 { BFD_RELOC_MICROMIPS_CALL_HI16, R_MICROMIPS_CALL_HI16 - R_MICROMIPS_min },
2050 { BFD_RELOC_MICROMIPS_CALL_LO16, R_MICROMIPS_CALL_LO16 - R_MICROMIPS_min },
2051 { BFD_RELOC_MICROMIPS_SCN_DISP, R_MICROMIPS_SCN_DISP - R_MICROMIPS_min },
2052 { BFD_RELOC_MICROMIPS_JALR, R_MICROMIPS_JALR - R_MICROMIPS_min },
2053 /* There is no BFD reloc for R_MICROMIPS_HI0_LO16. */
2054 { BFD_RELOC_MICROMIPS_TLS_GD, R_MICROMIPS_TLS_GD - R_MICROMIPS_min },
2055 { BFD_RELOC_MICROMIPS_TLS_LDM, R_MICROMIPS_TLS_LDM - R_MICROMIPS_min },
2056 { BFD_RELOC_MICROMIPS_TLS_DTPREL_HI16,
2057 R_MICROMIPS_TLS_DTPREL_HI16 - R_MICROMIPS_min },
2058 { BFD_RELOC_MICROMIPS_TLS_DTPREL_LO16,
2059 R_MICROMIPS_TLS_DTPREL_LO16 - R_MICROMIPS_min },
2060 { BFD_RELOC_MICROMIPS_TLS_GOTTPREL,
2061 R_MICROMIPS_TLS_GOTTPREL - R_MICROMIPS_min },
2062 { BFD_RELOC_MICROMIPS_TLS_TPREL_HI16,
2063 R_MICROMIPS_TLS_TPREL_HI16 - R_MICROMIPS_min },
2064 { BFD_RELOC_MICROMIPS_TLS_TPREL_LO16,
2065 R_MICROMIPS_TLS_TPREL_LO16 - R_MICROMIPS_min },
2066 /* There is no BFD reloc for R_MICROMIPS_GPREL7_S2. */
2067 /* There is no BFD reloc for R_MICROMIPS_PC23_S2. */
2070 /* Given a BFD reloc type, return a howto structure. */
2072 static reloc_howto_type *
2073 bfd_elf32_bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code)
2076 reloc_howto_type *howto_table = elf_mips_howto_table_rel;
2077 reloc_howto_type *howto16_table = elf_mips16_howto_table_rel;
2078 reloc_howto_type *howto_micromips_table = elf_micromips_howto_table_rel;
2080 for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map);
2083 if (mips_reloc_map[i].bfd_val == code)
2084 return &howto_table[(int) mips_reloc_map[i].elf_val];
2087 for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map);
2090 if (mips16_reloc_map[i].bfd_val == code)
2091 return &howto16_table[(int) mips16_reloc_map[i].elf_val];
2094 for (i = 0; i < sizeof (micromips_reloc_map) / sizeof (struct elf_reloc_map);
2097 if (micromips_reloc_map[i].bfd_val == code)
2098 return &howto_micromips_table[(int) micromips_reloc_map[i].elf_val];
2104 bfd_set_error (bfd_error_bad_value);
2107 case BFD_RELOC_CTOR:
2108 /* We need to handle BFD_RELOC_CTOR specially.
2109 Select the right relocation (R_MIPS_32 or R_MIPS_64) based on the
2110 size of addresses of the ABI. */
2111 if ((elf_elfheader (abfd)->e_flags & (E_MIPS_ABI_O64
2112 | E_MIPS_ABI_EABI64)) != 0)
2113 return &elf_mips_ctor64_howto;
2115 return &howto_table[(int) R_MIPS_32];
2117 case BFD_RELOC_VTABLE_INHERIT:
2118 return &elf_mips_gnu_vtinherit_howto;
2119 case BFD_RELOC_VTABLE_ENTRY:
2120 return &elf_mips_gnu_vtentry_howto;
2121 case BFD_RELOC_32_PCREL:
2122 return &elf_mips_gnu_pcrel32;
2123 case BFD_RELOC_MIPS_COPY:
2124 return &elf_mips_copy_howto;
2125 case BFD_RELOC_MIPS_JUMP_SLOT:
2126 return &elf_mips_jump_slot_howto;
2127 case BFD_RELOC_MIPS_EH:
2128 return &elf_mips_eh_howto;
2132 static reloc_howto_type *
2133 bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
2139 i < (sizeof (elf_mips_howto_table_rel)
2140 / sizeof (elf_mips_howto_table_rel[0]));
2142 if (elf_mips_howto_table_rel[i].name != NULL
2143 && strcasecmp (elf_mips_howto_table_rel[i].name, r_name) == 0)
2144 return &elf_mips_howto_table_rel[i];
2147 i < (sizeof (elf_mips16_howto_table_rel)
2148 / sizeof (elf_mips16_howto_table_rel[0]));
2150 if (elf_mips16_howto_table_rel[i].name != NULL
2151 && strcasecmp (elf_mips16_howto_table_rel[i].name, r_name) == 0)
2152 return &elf_mips16_howto_table_rel[i];
2155 i < (sizeof (elf_micromips_howto_table_rel)
2156 / sizeof (elf_micromips_howto_table_rel[0]));
2158 if (elf_micromips_howto_table_rel[i].name != NULL
2159 && strcasecmp (elf_micromips_howto_table_rel[i].name, r_name) == 0)
2160 return &elf_micromips_howto_table_rel[i];
2162 if (strcasecmp (elf_mips_gnu_pcrel32.name, r_name) == 0)
2163 return &elf_mips_gnu_pcrel32;
2164 if (strcasecmp (elf_mips_gnu_rel16_s2.name, r_name) == 0)
2165 return &elf_mips_gnu_rel16_s2;
2166 if (strcasecmp (elf_mips_gnu_vtinherit_howto.name, r_name) == 0)
2167 return &elf_mips_gnu_vtinherit_howto;
2168 if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0)
2169 return &elf_mips_gnu_vtentry_howto;
2170 if (strcasecmp (elf_mips_copy_howto.name, r_name) == 0)
2171 return &elf_mips_copy_howto;
2172 if (strcasecmp (elf_mips_jump_slot_howto.name, r_name) == 0)
2173 return &elf_mips_jump_slot_howto;
2174 if (strcasecmp (elf_mips_eh_howto.name, r_name) == 0)
2175 return &elf_mips_eh_howto;
2180 /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */
2182 static reloc_howto_type *
2183 mips_elf32_rtype_to_howto (unsigned int r_type,
2184 bfd_boolean rela_p ATTRIBUTE_UNUSED)
2188 case R_MIPS_GNU_VTINHERIT:
2189 return &elf_mips_gnu_vtinherit_howto;
2190 case R_MIPS_GNU_VTENTRY:
2191 return &elf_mips_gnu_vtentry_howto;
2192 case R_MIPS_GNU_REL16_S2:
2193 return &elf_mips_gnu_rel16_s2;
2195 return &elf_mips_gnu_pcrel32;
2197 return &elf_mips_copy_howto;
2198 case R_MIPS_JUMP_SLOT:
2199 return &elf_mips_jump_slot_howto;
2201 return &elf_mips_eh_howto;
2203 if (r_type >= R_MICROMIPS_min && r_type < R_MICROMIPS_max)
2204 return &elf_micromips_howto_table_rel[r_type - R_MICROMIPS_min];
2205 if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max)
2206 return &elf_mips16_howto_table_rel[r_type - R_MIPS16_min];
2207 if (r_type >= (unsigned int) R_MIPS_max)
2209 (*_bfd_error_handler) (_("Unrecognised MIPS reloc number: %d"), r_type);
2210 bfd_set_error (bfd_error_bad_value);
2211 r_type = R_MIPS_NONE;
2213 return &elf_mips_howto_table_rel[r_type];
2217 /* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */
2220 mips_info_to_howto_rel (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
2222 const struct elf_backend_data *bed;
2223 unsigned int r_type;
2225 r_type = ELF32_R_TYPE (dst->r_info);
2226 bed = get_elf_backend_data (abfd);
2227 cache_ptr->howto = bed->elf_backend_mips_rtype_to_howto (r_type, FALSE);
2229 /* The addend for a GPREL16 or LITERAL relocation comes from the GP
2230 value for the object file. We get the addend now, rather than
2231 when we do the relocation, because the symbol manipulations done
2232 by the linker may cause us to lose track of the input BFD. */
2233 if (((*cache_ptr->sym_ptr_ptr)->flags & BSF_SECTION_SYM) != 0
2234 && (gprel16_reloc_p (r_type) || literal_reloc_p (r_type)))
2235 cache_ptr->addend = elf_gp (abfd);
2238 /* Given a MIPS Elf_Internal_Rela, fill in an arelent structure. */
2241 mips_info_to_howto_rela (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst)
2243 mips_info_to_howto_rel (abfd, cache_ptr, dst);
2245 /* If we ever need to do any extra processing with dst->r_addend
2246 (the field omitted in an Elf_Internal_Rel) we can do it here. */
2249 /* Determine whether a symbol is global for the purposes of splitting
2250 the symbol table into global symbols and local symbols. At least
2251 on Irix 5, this split must be between section symbols and all other
2252 symbols. On most ELF targets the split is between static symbols
2253 and externally visible symbols. */
2256 mips_elf_sym_is_global (bfd *abfd ATTRIBUTE_UNUSED, asymbol *sym)
2258 if (SGI_COMPAT (abfd))
2259 return (sym->flags & BSF_SECTION_SYM) == 0;
2261 return ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0
2262 || bfd_is_und_section (bfd_get_section (sym))
2263 || bfd_is_com_section (bfd_get_section (sym)));
2266 /* Set the right machine number for a MIPS ELF file. */
2269 mips_elf32_object_p (bfd *abfd)
2273 if (ABI_N32_P (abfd))
2276 /* Irix 5 and 6 are broken. Object file symbol tables are not always
2277 sorted correctly such that local symbols precede global symbols,
2278 and the sh_info field in the symbol table is not always right. */
2279 if (SGI_COMPAT (abfd))
2280 elf_bad_symtab (abfd) = TRUE;
2282 mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags);
2283 bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach);
2287 /* MIPS ELF local labels start with '$', not 'L'. */
2290 mips_elf_is_local_label_name (bfd *abfd, const char *name)
2295 /* On Irix 6, the labels go back to starting with '.', so we accept
2296 the generic ELF local label syntax as well. */
2297 return _bfd_elf_is_local_label_name (abfd, name);
2300 /* Support for core dump NOTE sections. */
2302 elf32_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
2307 switch (note->descsz)
2312 case 256: /* Linux/MIPS */
2314 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
2317 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
2326 /* Make a ".reg/999" section. */
2327 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
2328 size, note->descpos + offset);
2332 elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
2334 switch (note->descsz)
2339 case 128: /* Linux/MIPS elf_prpsinfo */
2340 elf_tdata (abfd)->core->program
2341 = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
2342 elf_tdata (abfd)->core->command
2343 = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
2346 /* Note that for some reason, a spurious space is tacked
2347 onto the end of the args in some (at least one anyway)
2348 implementations, so strip it off if it exists. */
2351 char *command = elf_tdata (abfd)->core->command;
2352 int n = strlen (command);
2354 if (0 < n && command[n - 1] == ' ')
2355 command[n - 1] = '\0';
2361 /* Depending on the target vector we generate some version of Irix
2362 executables or "normal" MIPS ELF ABI executables. */
2363 static irix_compat_t
2364 elf32_mips_irix_compat (bfd *abfd)
2366 if ((abfd->xvec == &mips_elf32_be_vec)
2367 || (abfd->xvec == &mips_elf32_le_vec))
2373 /* ECOFF swapping routines. These are used when dealing with the
2374 .mdebug section, which is in the ECOFF debugging format. */
2375 static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = {
2376 /* Symbol table magic number. */
2378 /* Alignment of debugging information. E.g., 4. */
2380 /* Sizes of external symbolic information. */
2381 sizeof (struct hdr_ext),
2382 sizeof (struct dnr_ext),
2383 sizeof (struct pdr_ext),
2384 sizeof (struct sym_ext),
2385 sizeof (struct opt_ext),
2386 sizeof (struct fdr_ext),
2387 sizeof (struct rfd_ext),
2388 sizeof (struct ext_ext),
2389 /* Functions to swap in external symbolic data. */
2398 _bfd_ecoff_swap_tir_in,
2399 _bfd_ecoff_swap_rndx_in,
2400 /* Functions to swap out external symbolic data. */
2409 _bfd_ecoff_swap_tir_out,
2410 _bfd_ecoff_swap_rndx_out,
2411 /* Function to read in symbolic data. */
2412 _bfd_mips_elf_read_ecoff_info
2415 #define ELF_ARCH bfd_arch_mips
2416 #define ELF_TARGET_ID MIPS_ELF_DATA
2417 #define ELF_MACHINE_CODE EM_MIPS
2419 #define elf_backend_collect TRUE
2420 #define elf_backend_type_change_ok TRUE
2421 #define elf_backend_can_gc_sections TRUE
2422 #define elf_backend_gc_mark_extra_sections \
2423 _bfd_mips_elf_gc_mark_extra_sections
2424 #define elf_info_to_howto mips_info_to_howto_rela
2425 #define elf_info_to_howto_rel mips_info_to_howto_rel
2426 #define elf_backend_sym_is_global mips_elf_sym_is_global
2427 #define elf_backend_object_p mips_elf32_object_p
2428 #define elf_backend_symbol_processing _bfd_mips_elf_symbol_processing
2429 #define elf_backend_section_processing _bfd_mips_elf_section_processing
2430 #define elf_backend_section_from_shdr _bfd_mips_elf_section_from_shdr
2431 #define elf_backend_fake_sections _bfd_mips_elf_fake_sections
2432 #define elf_backend_section_from_bfd_section \
2433 _bfd_mips_elf_section_from_bfd_section
2434 #define elf_backend_add_symbol_hook _bfd_mips_elf_add_symbol_hook
2435 #define elf_backend_link_output_symbol_hook \
2436 _bfd_mips_elf_link_output_symbol_hook
2437 #define elf_backend_create_dynamic_sections \
2438 _bfd_mips_elf_create_dynamic_sections
2439 #define elf_backend_check_relocs _bfd_mips_elf_check_relocs
2440 #define elf_backend_merge_symbol_attribute \
2441 _bfd_mips_elf_merge_symbol_attribute
2442 #define elf_backend_get_target_dtag _bfd_mips_elf_get_target_dtag
2443 #define elf_backend_adjust_dynamic_symbol \
2444 _bfd_mips_elf_adjust_dynamic_symbol
2445 #define elf_backend_always_size_sections \
2446 _bfd_mips_elf_always_size_sections
2447 #define elf_backend_size_dynamic_sections \
2448 _bfd_mips_elf_size_dynamic_sections
2449 #define elf_backend_init_index_section _bfd_elf_init_1_index_section
2450 #define elf_backend_relocate_section _bfd_mips_elf_relocate_section
2451 #define elf_backend_finish_dynamic_symbol \
2452 _bfd_mips_elf_finish_dynamic_symbol
2453 #define elf_backend_finish_dynamic_sections \
2454 _bfd_mips_elf_finish_dynamic_sections
2455 #define elf_backend_final_write_processing \
2456 _bfd_mips_elf_final_write_processing
2457 #define elf_backend_additional_program_headers \
2458 _bfd_mips_elf_additional_program_headers
2459 #define elf_backend_modify_segment_map _bfd_mips_elf_modify_segment_map
2460 #define elf_backend_gc_mark_hook _bfd_mips_elf_gc_mark_hook
2461 #define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook
2462 #define elf_backend_copy_indirect_symbol \
2463 _bfd_mips_elf_copy_indirect_symbol
2464 #define elf_backend_grok_prstatus elf32_mips_grok_prstatus
2465 #define elf_backend_grok_psinfo elf32_mips_grok_psinfo
2466 #define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap
2468 #define elf_backend_got_header_size (4 * MIPS_RESERVED_GOTNO)
2469 #define elf_backend_may_use_rel_p 1
2470 #define elf_backend_may_use_rela_p 0
2471 #define elf_backend_default_use_rela_p 0
2472 #define elf_backend_sign_extend_vma TRUE
2473 #define elf_backend_plt_readonly 1
2475 #define elf_backend_discard_info _bfd_mips_elf_discard_info
2476 #define elf_backend_ignore_discarded_relocs \
2477 _bfd_mips_elf_ignore_discarded_relocs
2478 #define elf_backend_write_section _bfd_mips_elf_write_section
2479 #define elf_backend_mips_irix_compat elf32_mips_irix_compat
2480 #define elf_backend_mips_rtype_to_howto mips_elf32_rtype_to_howto
2481 #define elf_backend_sort_relocs_p _bfd_mips_elf_sort_relocs_p
2483 #define bfd_elf32_bfd_is_local_label_name \
2484 mips_elf_is_local_label_name
2485 #define bfd_elf32_bfd_is_target_special_symbol \
2486 _bfd_mips_elf_is_target_special_symbol
2487 #define bfd_elf32_get_synthetic_symtab _bfd_mips_elf_get_synthetic_symtab
2488 #define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line
2489 #define bfd_elf32_find_inliner_info _bfd_mips_elf_find_inliner_info
2490 #define bfd_elf32_new_section_hook _bfd_mips_elf_new_section_hook
2491 #define bfd_elf32_set_section_contents _bfd_mips_elf_set_section_contents
2492 #define bfd_elf32_bfd_get_relocated_section_contents \
2493 _bfd_elf_mips_get_relocated_section_contents
2494 #define bfd_elf32_bfd_link_hash_table_create \
2495 _bfd_mips_elf_link_hash_table_create
2496 #define bfd_elf32_bfd_final_link _bfd_mips_elf_final_link
2497 #define bfd_elf32_bfd_merge_private_bfd_data \
2498 _bfd_mips_elf_merge_private_bfd_data
2499 #define bfd_elf32_bfd_set_private_flags _bfd_mips_elf_set_private_flags
2500 #define bfd_elf32_bfd_print_private_bfd_data \
2501 _bfd_mips_elf_print_private_bfd_data
2502 #define bfd_elf32_bfd_relax_section _bfd_mips_elf_relax_section
2503 #define bfd_elf32_mkobject _bfd_mips_elf_mkobject
2505 /* Support for SGI-ish mips targets. */
2506 #define TARGET_LITTLE_SYM mips_elf32_le_vec
2507 #define TARGET_LITTLE_NAME "elf32-littlemips"
2508 #define TARGET_BIG_SYM mips_elf32_be_vec
2509 #define TARGET_BIG_NAME "elf32-bigmips"
2511 /* The SVR4 MIPS ABI says that this should be 0x10000, but Irix 5 uses
2512 a value of 0x1000, and we are compatible. */
2513 #define ELF_MAXPAGESIZE 0x1000
2514 #define ELF_COMMONPAGESIZE 0x1000
2516 #include "elf32-target.h"
2518 /* Support for traditional mips targets. */
2519 #undef TARGET_LITTLE_SYM
2520 #undef TARGET_LITTLE_NAME
2521 #undef TARGET_BIG_SYM
2522 #undef TARGET_BIG_NAME
2524 #undef ELF_MAXPAGESIZE
2525 #undef ELF_COMMONPAGESIZE
2527 #define TARGET_LITTLE_SYM mips_elf32_trad_le_vec
2528 #define TARGET_LITTLE_NAME "elf32-tradlittlemips"
2529 #define TARGET_BIG_SYM mips_elf32_trad_be_vec
2530 #define TARGET_BIG_NAME "elf32-tradbigmips"
2532 /* The MIPS ABI says at Page 5-1:
2533 Virtual addresses and file offsets for MIPS segments are congruent
2534 modulo 64 KByte (0x10000) or larger powers of 2. Because 64 KBytes
2535 is the maximum page size, the files are suitable for paging
2536 regardless of physical page size. */
2537 #define ELF_MAXPAGESIZE 0x10000
2538 #define ELF_COMMONPAGESIZE 0x1000
2539 #define elf32_bed elf32_tradbed
2541 /* Include the target file again for this target. */
2542 #include "elf32-target.h"
2544 /* FreeBSD support. */
2546 #undef TARGET_LITTLE_SYM
2547 #undef TARGET_LITTLE_NAME
2548 #undef TARGET_BIG_SYM
2549 #undef TARGET_BIG_NAME
2551 #define TARGET_LITTLE_SYM mips_elf32_tradfbsd_le_vec
2552 #define TARGET_LITTLE_NAME "elf32-tradlittlemips-freebsd"
2553 #define TARGET_BIG_SYM mips_elf32_tradfbsd_be_vec
2554 #define TARGET_BIG_NAME "elf32-tradbigmips-freebsd"
2557 #define ELF_OSABI ELFOSABI_FREEBSD
2560 #define elf32_bed elf32_fbsd_tradbed
2562 #include "elf32-target.h"
2563 /* Implement elf_backend_final_write_processing for VxWorks. */
2566 mips_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker)
2568 _bfd_mips_elf_final_write_processing (abfd, linker);
2569 elf_vxworks_final_write_processing (abfd, linker);
2572 #undef TARGET_LITTLE_SYM
2573 #undef TARGET_LITTLE_NAME
2574 #undef TARGET_BIG_SYM
2575 #undef TARGET_BIG_NAME
2577 #undef ELF_MAXPAGESIZE
2578 #undef ELF_COMMONPAGESIZE
2580 #define TARGET_LITTLE_SYM mips_elf32_vxworks_le_vec
2581 #define TARGET_LITTLE_NAME "elf32-littlemips-vxworks"
2582 #define TARGET_BIG_SYM mips_elf32_vxworks_be_vec
2583 #define TARGET_BIG_NAME "elf32-bigmips-vxworks"
2587 #define elf32_bed elf32_mips_vxworks_bed
2589 #define ELF_MAXPAGESIZE 0x1000
2590 #define ELF_COMMONPAGESIZE 0x1000
2592 #undef elf_backend_want_got_plt
2593 #define elf_backend_want_got_plt 1
2594 #undef elf_backend_want_plt_sym
2595 #define elf_backend_want_plt_sym 1
2596 #undef elf_backend_may_use_rel_p
2597 #define elf_backend_may_use_rel_p 0
2598 #undef elf_backend_may_use_rela_p
2599 #define elf_backend_may_use_rela_p 1
2600 #undef elf_backend_default_use_rela_p
2601 #define elf_backend_default_use_rela_p 1
2602 #undef elf_backend_got_header_size
2603 #define elf_backend_got_header_size (4 * 3)
2605 #undef elf_backend_finish_dynamic_symbol
2606 #define elf_backend_finish_dynamic_symbol \
2607 _bfd_mips_vxworks_finish_dynamic_symbol
2608 #undef bfd_elf32_bfd_link_hash_table_create
2609 #define bfd_elf32_bfd_link_hash_table_create \
2610 _bfd_mips_vxworks_link_hash_table_create
2611 #undef elf_backend_add_symbol_hook
2612 #define elf_backend_add_symbol_hook \
2613 elf_vxworks_add_symbol_hook
2614 #undef elf_backend_link_output_symbol_hook
2615 #define elf_backend_link_output_symbol_hook \
2616 elf_vxworks_link_output_symbol_hook
2617 #undef elf_backend_emit_relocs
2618 #define elf_backend_emit_relocs \
2619 elf_vxworks_emit_relocs
2620 #undef elf_backend_final_write_processing
2621 #define elf_backend_final_write_processing \
2622 mips_vxworks_final_write_processing
2624 #undef elf_backend_additional_program_headers
2625 #undef elf_backend_modify_segment_map
2626 #undef elf_backend_symbol_processing
2627 /* NOTE: elf_backend_rela_normal is not defined for MIPS. */
2629 #undef bfd_elf32_get_synthetic_symtab
2631 #include "elf32-target.h"
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