1 /* Or1k-specific support for 32-bit ELF.
2 Copyright (C) 2001-2019 Free Software Foundation, Inc.
3 Contributed for OR32 by Johan Rydberg, jrydberg@opencores.org
5 PIC parts added by Stefan Kristiansson, stefan.kristiansson@saunalahti.fi,
6 largely based on elf32-m32r.c and elf32-microblaze.c.
8 This file is part of BFD, the Binary File Descriptor library.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, see <http://www.gnu.org/licenses/>. */
28 #include "libiberty.h"
30 #define N_ONES(X) (((bfd_vma)2 << (X)) - 1)
32 #define PLT_ENTRY_SIZE 16
34 #define OR1K_MOVHI(D) (0x18000000 | (D << 21))
35 #define OR1K_ADRP(D) (0x08000000 | (D << 21))
36 #define OR1K_LWZ(D,A) (0x84000000 | (D << 21) | (A << 16))
37 #define OR1K_ORI0(D) (0xA8000000 | (D << 21))
38 #define OR1K_JR(B) (0x44000000 | (B << 11))
39 #define OR1K_NOP 0x15000000
41 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
43 static reloc_howto_type or1k_elf_howto_table[] =
45 /* This reloc does nothing. */
46 HOWTO (R_OR1K_NONE, /* type */
48 3, /* size (0 = byte, 1 = short, 2 = long) */
50 FALSE, /* pc_relative */
52 complain_overflow_dont, /* complain_on_overflow */
53 bfd_elf_generic_reloc, /* special_function */
54 "R_OR1K_NONE", /* name */
55 FALSE, /* partial_inplace */
58 FALSE), /* pcrel_offset */
62 2, /* size (0 = byte, 1 = short, 2 = long) */
64 FALSE, /* pc_relative */
66 complain_overflow_unsigned, /* complain_on_overflow */
67 bfd_elf_generic_reloc, /* special_function */
68 "R_OR1K_32", /* name */
69 FALSE, /* partial_inplace */
71 0xffffffff, /* dst_mask */
72 FALSE), /* pcrel_offset */
76 1, /* size (0 = byte, 1 = short, 2 = long) */
78 FALSE, /* pc_relative */
80 complain_overflow_unsigned, /* complain_on_overflow */
81 bfd_elf_generic_reloc, /* special_function */
82 "R_OR1K_16", /* name */
83 FALSE, /* partial_inplace */
85 0xffff, /* dst_mask */
86 FALSE), /* pcrel_offset */
90 0, /* size (0 = byte, 1 = short, 2 = long) */
92 FALSE, /* pc_relative */
94 complain_overflow_unsigned, /* complain_on_overflow */
95 bfd_elf_generic_reloc, /* special_function */
96 "R_OR1K_8", /* name */
97 FALSE, /* partial_inplace */
100 FALSE), /* pcrel_offset */
102 HOWTO (R_OR1K_LO_16_IN_INSN, /* type */
104 2, /* size (0 = byte, 1 = short, 2 = long) */
106 FALSE, /* pc_relative */
108 complain_overflow_dont, /* complain_on_overflow */
109 bfd_elf_generic_reloc, /* special_function */
110 "R_OR1K_LO_16_IN_INSN", /* name */
111 FALSE, /* partial_inplace */
113 0x0000ffff, /* dst_mask */
114 FALSE), /* pcrel_offset */
116 HOWTO (R_OR1K_HI_16_IN_INSN, /* type */
118 2, /* size (0 = byte, 1 = short, 2 = long) */
120 FALSE, /* pc_relative */
122 complain_overflow_dont, /* complain_on_overflow */
123 bfd_elf_generic_reloc, /* special_function */
124 "R_OR1K_HI_16_IN_INSN", /* name */
125 FALSE, /* partial_inplace */
127 0x0000ffff, /* dst_mask */
128 FALSE), /* pcrel_offset */
130 /* A PC relative 26 bit relocation, right shifted by 2. */
131 HOWTO (R_OR1K_INSN_REL_26, /* type */
133 2, /* size (0 = byte, 1 = short, 2 = long) */
135 TRUE, /* pc_relative */
137 complain_overflow_signed, /* complain_on_overflow */
138 bfd_elf_generic_reloc, /* special_function */
139 "R_OR1K_INSN_REL_26", /* name */
140 FALSE, /* partial_inplace */
142 0x03ffffff, /* dst_mask */
143 TRUE), /* pcrel_offset */
145 /* GNU extension to record C++ vtable hierarchy. */
146 HOWTO (R_OR1K_GNU_VTINHERIT, /* type */
148 2, /* size (0 = byte, 1 = short, 2 = long) */
150 FALSE, /* pc_relative */
152 complain_overflow_dont, /* complain_on_overflow */
153 NULL, /* special_function */
154 "R_OR1K_GNU_VTINHERIT", /* name */
155 FALSE, /* partial_inplace */
158 FALSE), /* pcrel_offset */
160 /* GNU extension to record C++ vtable member usage. */
161 HOWTO (R_OR1K_GNU_VTENTRY, /* type */
163 2, /* size (0 = byte, 1 = short, 2 = long) */
165 FALSE, /* pc_relative */
167 complain_overflow_dont, /* complain_on_overflow */
168 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
169 "R_OR1K_GNU_VTENTRY", /* name */
170 FALSE, /* partial_inplace */
173 FALSE), /* pcrel_offset */
175 HOWTO (R_OR1K_32_PCREL,
177 2, /* size (0 = byte, 1 = short, 2 = long) */
179 TRUE, /* pc_relative */
181 complain_overflow_signed, /* complain_on_overflow */
182 bfd_elf_generic_reloc, /* special_function */
183 "R_OR1K_32_PCREL", /* name */
184 FALSE, /* partial_inplace */
186 0xffffffff, /* dst_mask */
187 TRUE), /* pcrel_offset */
189 HOWTO (R_OR1K_16_PCREL,
191 1, /* size (0 = byte, 1 = short, 2 = long) */
193 TRUE, /* pc_relative */
195 complain_overflow_signed, /* complain_on_overflow */
196 bfd_elf_generic_reloc, /* special_function */
197 "R_OR1K_16_PCREL", /* name */
198 FALSE, /* partial_inplace */
200 0xffff, /* dst_mask */
201 TRUE), /* pcrel_offset */
203 HOWTO (R_OR1K_8_PCREL,
205 0, /* size (0 = byte, 1 = short, 2 = long) */
207 TRUE, /* pc_relative */
209 complain_overflow_signed, /* complain_on_overflow */
210 bfd_elf_generic_reloc, /* special_function */
211 "R_OR1K_8_PCREL", /* name */
212 FALSE, /* partial_inplace */
215 TRUE), /* pcrel_offset */
217 HOWTO (R_OR1K_GOTPC_HI16, /* Type. */
218 16, /* Rightshift. */
219 2, /* Size (0 = byte, 1 = short, 2 = long). */
221 TRUE, /* PC_relative. */
223 complain_overflow_dont, /* Complain on overflow. */
224 bfd_elf_generic_reloc, /* Special Function. */
225 "R_OR1K_GOTPC_HI16", /* Name. */
226 FALSE, /* Partial Inplace. */
227 0, /* Source Mask. */
228 0xffff, /* Dest Mask. */
229 TRUE), /* PC relative offset? */
231 HOWTO (R_OR1K_GOTPC_LO16, /* Type. */
233 2, /* Size (0 = byte, 1 = short, 2 = long). */
235 TRUE, /* PC_relative. */
237 complain_overflow_dont, /* Complain on overflow. */
238 bfd_elf_generic_reloc, /* Special Function. */
239 "R_OR1K_GOTPC_LO16", /* Name. */
240 FALSE, /* Partial Inplace. */
241 0, /* Source Mask. */
242 0xffff, /* Dest Mask. */
243 TRUE), /* PC relative offset? */
245 HOWTO (R_OR1K_GOT16, /* type */
247 2, /* size (0 = byte, 1 = short, 2 = long) */
249 FALSE, /* pc_relative */
251 complain_overflow_signed, /* complain_on_overflow */
252 bfd_elf_generic_reloc, /* special_function */
253 "R_OR1K_GOT16", /* name */
254 FALSE, /* partial_inplace */
256 0xffff, /* dst_mask */
257 FALSE), /* pcrel_offset */
259 /* A 26 bit PLT relocation. Shifted by 2. */
260 HOWTO (R_OR1K_PLT26, /* Type. */
262 2, /* Size (0 = byte, 1 = short, 2 = long). */
264 TRUE, /* pc_relative. */
266 complain_overflow_signed, /* Complain on overflow. */
267 bfd_elf_generic_reloc, /* Special Function. */
268 "R_OR1K_PLT26", /* Name. */
269 FALSE, /* Partial Inplace. */
270 0, /* Source Mask. */
271 0x03ffffff, /* Dest Mask. */
272 TRUE), /* PC relative offset? */
274 HOWTO (R_OR1K_GOTOFF_HI16, /* type */
276 2, /* size (0 = byte, 1 = short, 2 = long) */
278 FALSE, /* pc_relative */
280 complain_overflow_dont, /* complain_on_overflow */
281 bfd_elf_generic_reloc, /* special_function */
282 "R_OR1K_GOTOFF_HI16", /* name */
283 FALSE, /* partial_inplace */
285 0xffff, /* dst_mask */
286 FALSE), /* pcrel_offset */
288 HOWTO (R_OR1K_GOTOFF_LO16, /* type */
290 2, /* size (0 = byte, 1 = short, 2 = long) */
292 FALSE, /* pc_relative */
294 complain_overflow_dont, /* complain_on_overflow */
295 bfd_elf_generic_reloc, /* special_function */
296 "R_OR1K_GOTOFF_LO16", /* name */
297 FALSE, /* partial_inplace */
299 0xffff, /* dst_mask */
300 FALSE), /* pcrel_offset */
302 HOWTO (R_OR1K_COPY, /* type */
304 2, /* size (0 = byte, 1 = short, 2 = long) */
306 FALSE, /* pc_relative */
308 complain_overflow_bitfield, /* complain_on_overflow */
309 bfd_elf_generic_reloc, /* special_function */
310 "R_OR1K_COPY", /* name */
311 FALSE, /* partial_inplace */
312 0xffffffff, /* src_mask */
313 0xffffffff, /* dst_mask */
314 FALSE), /* pcrel_offset */
316 HOWTO (R_OR1K_GLOB_DAT, /* type */
318 2, /* size (0 = byte, 1 = short, 2 = long) */
320 FALSE, /* pc_relative */
322 complain_overflow_bitfield, /* complain_on_overflow */
323 bfd_elf_generic_reloc, /* special_function */
324 "R_OR1K_GLOB_DAT", /* name */
325 FALSE, /* partial_inplace */
326 0xffffffff, /* src_mask */
327 0xffffffff, /* dst_mask */
328 FALSE), /* pcrel_offset */
330 HOWTO (R_OR1K_JMP_SLOT, /* type */
332 2, /* size (0 = byte, 1 = short, 2 = long) */
334 FALSE, /* pc_relative */
336 complain_overflow_bitfield, /* complain_on_overflow */
337 bfd_elf_generic_reloc, /* special_function */
338 "R_OR1K_JMP_SLOT", /* name */
339 FALSE, /* partial_inplace */
340 0xffffffff, /* src_mask */
341 0xffffffff, /* dst_mask */
342 FALSE), /* pcrel_offset */
344 HOWTO (R_OR1K_RELATIVE, /* type */
346 2, /* size (0 = byte, 1 = short, 2 = long) */
348 FALSE, /* pc_relative */
350 complain_overflow_bitfield, /* complain_on_overflow */
351 bfd_elf_generic_reloc, /* special_function */
352 "R_OR1K_RELATIVE", /* name */
353 FALSE, /* partial_inplace */
354 0xffffffff, /* src_mask */
355 0xffffffff, /* dst_mask */
356 FALSE), /* pcrel_offset */
358 HOWTO (R_OR1K_TLS_GD_HI16, /* type */
360 2, /* size (0 = byte, 1 = short, 2 = long) */
362 FALSE, /* pc_relative */
364 complain_overflow_dont, /* complain_on_overflow */
365 bfd_elf_generic_reloc, /* special_function */
366 "R_OR1K_TLS_GD_HI16", /* name */
367 FALSE, /* partial_inplace */
369 0xffff, /* dst_mask */
370 FALSE), /* pcrel_offset */
372 HOWTO (R_OR1K_TLS_GD_LO16, /* type */
374 2, /* size (0 = byte, 1 = short, 2 = long) */
376 FALSE, /* pc_relative */
378 complain_overflow_dont, /* complain_on_overflow */
379 bfd_elf_generic_reloc, /* special_function */
380 "R_OR1K_TLS_GD_LO16", /* name */
381 FALSE, /* partial_inplace */
383 0xffff, /* dst_mask */
384 FALSE), /* pcrel_offset */
386 HOWTO (R_OR1K_TLS_LDM_HI16, /* type */
388 2, /* size (0 = byte, 1 = short, 2 = long) */
390 FALSE, /* pc_relative */
392 complain_overflow_dont, /* complain_on_overflow */
393 bfd_elf_generic_reloc, /* special_function */
394 "R_OR1K_TLS_LDM_HI16", /* name */
395 FALSE, /* partial_inplace */
397 0xffff, /* dst_mask */
398 FALSE), /* pcrel_offset */
400 HOWTO (R_OR1K_TLS_LDM_LO16, /* type */
402 2, /* size (0 = byte, 1 = short, 2 = long) */
404 FALSE, /* pc_relative */
406 complain_overflow_dont, /* complain_on_overflow */
407 bfd_elf_generic_reloc, /* special_function */
408 "R_OR1K_TLS_LDM_LO16", /* name */
409 FALSE, /* partial_inplace */
411 0xffff, /* dst_mask */
412 FALSE), /* pcrel_offset */
414 HOWTO (R_OR1K_TLS_LDO_HI16, /* type */
416 2, /* size (0 = byte, 1 = short, 2 = long) */
418 FALSE, /* pc_relative */
420 complain_overflow_dont, /* complain_on_overflow */
421 bfd_elf_generic_reloc, /* special_function */
422 "R_OR1K_TLS_LDO_HI16", /* name */
423 FALSE, /* partial_inplace */
425 0xffff, /* dst_mask */
426 FALSE), /* pcrel_offset */
428 HOWTO (R_OR1K_TLS_LDO_LO16, /* type */
430 2, /* size (0 = byte, 1 = short, 2 = long) */
432 FALSE, /* pc_relative */
434 complain_overflow_dont, /* complain_on_overflow */
435 bfd_elf_generic_reloc, /* special_function */
436 "R_OR1K_TLS_LDO_LO16", /* name */
437 FALSE, /* partial_inplace */
439 0xffff, /* dst_mask */
440 FALSE), /* pcrel_offset */
442 HOWTO (R_OR1K_TLS_IE_HI16, /* type */
444 2, /* size (0 = byte, 1 = short, 2 = long) */
446 FALSE, /* pc_relative */
448 complain_overflow_dont, /* complain_on_overflow */
449 bfd_elf_generic_reloc, /* special_function */
450 "R_OR1K_TLS_IE_HI16", /* name */
451 FALSE, /* partial_inplace */
453 0xffff, /* dst_mask */
454 FALSE), /* pcrel_offset */
456 HOWTO (R_OR1K_TLS_IE_LO16, /* type */
458 2, /* size (0 = byte, 1 = short, 2 = long) */
460 FALSE, /* pc_relative */
462 complain_overflow_dont, /* complain_on_overflow */
463 bfd_elf_generic_reloc, /* special_function */
464 "R_OR1K_TLS_IE_LO16", /* name */
465 FALSE, /* partial_inplace */
467 0xffff, /* dst_mask */
468 FALSE), /* pcrel_offset */
470 HOWTO (R_OR1K_TLS_LE_HI16, /* type */
472 2, /* size (0 = byte, 1 = short, 2 = long) */
474 FALSE, /* pc_relative */
476 complain_overflow_dont, /* complain_on_overflow */
477 bfd_elf_generic_reloc, /* special_function */
478 "R_OR1K_TLS_LE_HI16", /* name */
479 FALSE, /* partial_inplace */
481 0xffff, /* dst_mask */
482 FALSE), /* pcrel_offset */
484 HOWTO (R_OR1K_TLS_LE_LO16, /* type */
486 2, /* size (0 = byte, 1 = short, 2 = long) */
488 FALSE, /* pc_relative */
490 complain_overflow_dont, /* complain_on_overflow */
491 bfd_elf_generic_reloc, /* special_function */
492 "R_OR1K_TLS_LE_LO16", /* name */
493 FALSE, /* partial_inplace */
495 0xffff, /* dst_mask */
496 FALSE), /* pcrel_offset */
498 HOWTO (R_OR1K_TLS_TPOFF, /* type */
500 2, /* size (0 = byte, 1 = short, 2 = long) */
502 FALSE, /* pc_relative */
504 complain_overflow_bitfield, /* complain_on_overflow */
505 bfd_elf_generic_reloc, /* special_function */
506 "R_OR1K_TLS_TPOFF", /* name */
507 FALSE, /* partial_inplace */
508 0xffffffff, /* src_mask */
509 0xffffffff, /* dst_mask */
510 FALSE), /* pcrel_offset */
512 HOWTO (R_OR1K_TLS_DTPOFF, /* type */
514 2, /* size (0 = byte, 1 = short, 2 = long) */
516 FALSE, /* pc_relative */
518 complain_overflow_bitfield, /* complain_on_overflow */
519 bfd_elf_generic_reloc, /* special_function */
520 "R_OR1K_TLS_DTPOFF", /* name */
521 FALSE, /* partial_inplace */
522 0xffffffff, /* src_mask */
523 0xffffffff, /* dst_mask */
524 FALSE), /* pcrel_offset */
526 HOWTO (R_OR1K_TLS_DTPMOD, /* type */
528 2, /* size (0 = byte, 1 = short, 2 = long) */
530 FALSE, /* pc_relative */
532 complain_overflow_bitfield, /* complain_on_overflow */
533 bfd_elf_generic_reloc, /* special_function */
534 "R_OR1K_TLS_DTPMOD", /* name */
535 FALSE, /* partial_inplace */
536 0xffffffff, /* src_mask */
537 0xffffffff, /* dst_mask */
538 FALSE), /* pcrel_offset */
540 HOWTO (R_OR1K_AHI16, /* type */
542 2, /* size (0 = byte, 1 = short, 2 = long) */
544 FALSE, /* pc_relative */
546 complain_overflow_dont, /* complain_on_overflow */
547 bfd_elf_generic_reloc, /* special_function */
548 "R_OR1K_AHI16", /* name */
549 FALSE, /* partial_inplace */
551 0xffff, /* dst_mask */
552 FALSE), /* pcrel_offset */
554 HOWTO (R_OR1K_GOTOFF_AHI16, /* type */
556 2, /* size (0 = byte, 1 = short, 2 = long) */
558 FALSE, /* pc_relative */
560 complain_overflow_dont, /* complain_on_overflow */
561 bfd_elf_generic_reloc, /* special_function */
562 "R_OR1K_GOTOFF_AHI16", /* name */
563 FALSE, /* partial_inplace */
565 0xffff, /* dst_mask */
566 FALSE), /* pcrel_offset */
568 HOWTO (R_OR1K_TLS_IE_AHI16, /* type */
570 2, /* size (0 = byte, 1 = short, 2 = long) */
572 FALSE, /* pc_relative */
574 complain_overflow_dont, /* complain_on_overflow */
575 bfd_elf_generic_reloc, /* special_function */
576 "R_OR1K_TLS_IE_AHI16", /* name */
577 FALSE, /* partial_inplace */
579 0xffff, /* dst_mask */
580 FALSE), /* pcrel_offset */
582 HOWTO (R_OR1K_TLS_LE_AHI16, /* type */
584 2, /* size (0 = byte, 1 = short, 2 = long) */
586 FALSE, /* pc_relative */
588 complain_overflow_dont, /* complain_on_overflow */
589 bfd_elf_generic_reloc, /* special_function */
590 "R_OR1K_TLS_LE_AHI16", /* name */
591 FALSE, /* partial_inplace */
593 0xffff, /* dst_mask */
594 FALSE), /* pcrel_offset */
596 HOWTO (R_OR1K_SLO16, /* type */
598 2, /* size (0 = byte, 1 = short, 2 = long) */
600 FALSE, /* pc_relative */
602 complain_overflow_dont, /* complain_on_overflow */
603 bfd_elf_generic_reloc, /* special_function */
604 "R_OR1K_SLO16", /* name */
605 FALSE, /* partial_inplace */
607 0xffff, /* dst_mask */
608 FALSE), /* pcrel_offset */
610 HOWTO (R_OR1K_GOTOFF_SLO16, /* type */
612 2, /* size (0 = byte, 1 = short, 2 = long) */
614 FALSE, /* pc_relative */
616 complain_overflow_dont, /* complain_on_overflow */
617 bfd_elf_generic_reloc, /* special_function */
618 "R_OR1K_GOTOFF_SLO16", /* name */
619 FALSE, /* partial_inplace */
621 0xffff, /* dst_mask */
622 FALSE), /* pcrel_offset */
624 HOWTO (R_OR1K_TLS_LE_SLO16, /* type */
626 2, /* size (0 = byte, 1 = short, 2 = long) */
628 FALSE, /* pc_relative */
630 complain_overflow_dont, /* complain_on_overflow */
631 bfd_elf_generic_reloc, /* special_function */
632 "R_OR1K_TLS_LE_SLO16", /* name */
633 FALSE, /* partial_inplace */
635 0xffff, /* dst_mask */
636 FALSE), /* pcrel_offset */
638 /* A page relative 21 bit relocation, right shifted by 13, aligned.
639 Note that this is *page* relative, not pc relative. The idea is
640 similar, but normally the section alignment is not such that the
641 assembler can infer a final value, which it attempts to do with
642 pc-relative relocations to local symbols. */
643 HOWTO (R_OR1K_PCREL_PG21, /* type */
645 2, /* size (0 = byte, 1 = short, 2 = long) */
647 FALSE, /* pc_relative */
649 complain_overflow_signed, /* complain_on_overflow */
650 bfd_elf_generic_reloc, /* special_function */
651 "R_OR1K_PCREL_PG21", /* name */
652 FALSE, /* partial_inplace */
654 0x001fffff, /* dst_mask */
655 TRUE), /* pcrel_offset */
657 HOWTO (R_OR1K_GOT_PG21, /* type */
659 2, /* size (0 = byte, 1 = short, 2 = long) */
661 FALSE, /* pc_relative */
663 complain_overflow_signed, /* complain_on_overflow */
664 bfd_elf_generic_reloc, /* special_function */
665 "R_OR1K_GOT_PG21", /* name */
666 FALSE, /* partial_inplace */
668 0x001fffff, /* dst_mask */
669 TRUE), /* pcrel_offset */
671 HOWTO (R_OR1K_TLS_GD_PG21, /* type */
673 2, /* size (0 = byte, 1 = short, 2 = long) */
675 FALSE, /* pc_relative */
677 complain_overflow_signed, /* complain_on_overflow */
678 bfd_elf_generic_reloc, /* special_function */
679 "R_OR1K_TLS_GD_PG21", /* name */
680 FALSE, /* partial_inplace */
682 0x001fffff, /* dst_mask */
683 TRUE), /* pcrel_offset */
685 HOWTO (R_OR1K_TLS_LDM_PG21, /* type */
687 2, /* size (0 = byte, 1 = short, 2 = long) */
689 FALSE, /* pc_relative */
691 complain_overflow_signed, /* complain_on_overflow */
692 bfd_elf_generic_reloc, /* special_function */
693 "R_OR1K_TLS_LDM_PG21", /* name */
694 FALSE, /* partial_inplace */
696 0x001fffff, /* dst_mask */
697 TRUE), /* pcrel_offset */
699 HOWTO (R_OR1K_TLS_IE_PG21, /* type */
701 2, /* size (0 = byte, 1 = short, 2 = long) */
703 FALSE, /* pc_relative */
705 complain_overflow_signed, /* complain_on_overflow */
706 bfd_elf_generic_reloc, /* special_function */
707 "R_OR1K_TLS_IE_PG21", /* name */
708 FALSE, /* partial_inplace */
710 0x001fffff, /* dst_mask */
711 TRUE), /* pcrel_offset */
713 HOWTO (R_OR1K_LO13, /* type */
715 2, /* size (0 = byte, 1 = short, 2 = long) */
717 FALSE, /* pc_relative */
719 complain_overflow_dont, /* complain_on_overflow */
720 bfd_elf_generic_reloc, /* special_function */
721 "R_OR1K_LO13", /* name */
722 FALSE, /* partial_inplace */
724 0xffff, /* dst_mask */
725 FALSE), /* pcrel_offset */
727 HOWTO (R_OR1K_GOT_LO13, /* type */
729 2, /* size (0 = byte, 1 = short, 2 = long) */
731 FALSE, /* pc_relative */
733 complain_overflow_dont, /* complain_on_overflow */
734 bfd_elf_generic_reloc, /* special_function */
735 "R_OR1K_GOT_LO13", /* name */
736 FALSE, /* partial_inplace */
738 0xffff, /* dst_mask */
739 FALSE), /* pcrel_offset */
741 HOWTO (R_OR1K_TLS_GD_LO13, /* type */
743 2, /* size (0 = byte, 1 = short, 2 = long) */
745 FALSE, /* pc_relative */
747 complain_overflow_dont, /* complain_on_overflow */
748 bfd_elf_generic_reloc, /* special_function */
749 "R_OR1K_TLS_GD_LO13", /* name */
750 FALSE, /* partial_inplace */
752 0xffff, /* dst_mask */
753 FALSE), /* pcrel_offset */
755 HOWTO (R_OR1K_TLS_LDM_LO13, /* type */
757 2, /* size (0 = byte, 1 = short, 2 = long) */
759 FALSE, /* pc_relative */
761 complain_overflow_dont, /* complain_on_overflow */
762 bfd_elf_generic_reloc, /* special_function */
763 "R_OR1K_TLD_LDM_LO13", /* name */
764 FALSE, /* partial_inplace */
766 0xffff, /* dst_mask */
767 FALSE), /* pcrel_offset */
769 HOWTO (R_OR1K_TLS_IE_LO13, /* type */
771 2, /* size (0 = byte, 1 = short, 2 = long) */
773 FALSE, /* pc_relative */
775 complain_overflow_dont, /* complain_on_overflow */
776 bfd_elf_generic_reloc, /* special_function */
777 "R_OR1K_TLS_IE_LO13", /* name */
778 FALSE, /* partial_inplace */
780 0xffff, /* dst_mask */
781 FALSE), /* pcrel_offset */
783 HOWTO (R_OR1K_SLO13, /* type */
785 2, /* size (0 = byte, 1 = short, 2 = long) */
787 FALSE, /* pc_relative */
789 complain_overflow_dont, /* complain_on_overflow */
790 bfd_elf_generic_reloc, /* special_function */
791 "R_OR1K_SLO13", /* name */
792 FALSE, /* partial_inplace */
794 0xffff, /* dst_mask */
795 FALSE), /* pcrel_offset */
797 /* A 26 bit PLT relocation, using ADRP. Shifted by 2. */
798 HOWTO (R_OR1K_PLTA26, /* Type. */
800 2, /* Size (0 = byte, 1 = short, 2 = long). */
802 TRUE, /* pc_relative. */
804 complain_overflow_signed, /* Complain on overflow. */
805 bfd_elf_generic_reloc, /* Special Function. */
806 "R_OR1K_PLTA26", /* Name. */
807 FALSE, /* Partial Inplace. */
808 0, /* Source Mask. */
809 0x03ffffff, /* Dest Mask. */
810 TRUE), /* PC relative offset? */
813 /* Map BFD reloc types to Or1k ELF reloc types. */
815 struct or1k_reloc_map
817 bfd_reloc_code_real_type bfd_reloc_val;
818 unsigned int or1k_reloc_val;
821 static const struct or1k_reloc_map or1k_reloc_map[] =
823 { BFD_RELOC_NONE, R_OR1K_NONE },
824 { BFD_RELOC_32, R_OR1K_32 },
825 { BFD_RELOC_16, R_OR1K_16 },
826 { BFD_RELOC_8, R_OR1K_8 },
827 { BFD_RELOC_LO16, R_OR1K_LO_16_IN_INSN },
828 { BFD_RELOC_HI16, R_OR1K_HI_16_IN_INSN },
829 { BFD_RELOC_HI16_S, R_OR1K_AHI16 },
830 { BFD_RELOC_OR1K_REL_26, R_OR1K_INSN_REL_26 },
831 { BFD_RELOC_VTABLE_ENTRY, R_OR1K_GNU_VTENTRY },
832 { BFD_RELOC_VTABLE_INHERIT, R_OR1K_GNU_VTINHERIT },
833 { BFD_RELOC_32_PCREL, R_OR1K_32_PCREL },
834 { BFD_RELOC_16_PCREL, R_OR1K_16_PCREL },
835 { BFD_RELOC_8_PCREL, R_OR1K_8_PCREL },
836 { BFD_RELOC_LO16_GOTOFF, R_OR1K_GOTOFF_LO16 },
837 { BFD_RELOC_HI16_GOTOFF, R_OR1K_GOTOFF_HI16 },
838 { BFD_RELOC_HI16_S_GOTOFF, R_OR1K_GOTOFF_AHI16 },
839 { BFD_RELOC_OR1K_GOTPC_HI16, R_OR1K_GOTPC_HI16 },
840 { BFD_RELOC_OR1K_GOTPC_LO16, R_OR1K_GOTPC_LO16 },
841 { BFD_RELOC_OR1K_GOT16, R_OR1K_GOT16 },
842 { BFD_RELOC_OR1K_PLT26, R_OR1K_PLT26 },
843 { BFD_RELOC_OR1K_GLOB_DAT, R_OR1K_GLOB_DAT },
844 { BFD_RELOC_OR1K_COPY, R_OR1K_COPY },
845 { BFD_RELOC_OR1K_JMP_SLOT, R_OR1K_JMP_SLOT },
846 { BFD_RELOC_OR1K_RELATIVE, R_OR1K_RELATIVE },
847 { BFD_RELOC_OR1K_TLS_GD_HI16, R_OR1K_TLS_GD_HI16 },
848 { BFD_RELOC_OR1K_TLS_GD_LO16, R_OR1K_TLS_GD_LO16 },
849 { BFD_RELOC_OR1K_TLS_LDM_HI16, R_OR1K_TLS_LDM_HI16 },
850 { BFD_RELOC_OR1K_TLS_LDM_LO16, R_OR1K_TLS_LDM_LO16 },
851 { BFD_RELOC_OR1K_TLS_LDO_HI16, R_OR1K_TLS_LDO_HI16 },
852 { BFD_RELOC_OR1K_TLS_LDO_LO16, R_OR1K_TLS_LDO_LO16 },
853 { BFD_RELOC_OR1K_TLS_IE_HI16, R_OR1K_TLS_IE_HI16 },
854 { BFD_RELOC_OR1K_TLS_IE_LO16, R_OR1K_TLS_IE_LO16 },
855 { BFD_RELOC_OR1K_TLS_IE_AHI16, R_OR1K_TLS_IE_AHI16 },
856 { BFD_RELOC_OR1K_TLS_LE_HI16, R_OR1K_TLS_LE_HI16 },
857 { BFD_RELOC_OR1K_TLS_LE_LO16, R_OR1K_TLS_LE_LO16 },
858 { BFD_RELOC_OR1K_TLS_LE_AHI16, R_OR1K_TLS_LE_AHI16 },
859 { BFD_RELOC_OR1K_SLO16, R_OR1K_SLO16 },
860 { BFD_RELOC_OR1K_GOTOFF_SLO16, R_OR1K_GOTOFF_SLO16 },
861 { BFD_RELOC_OR1K_TLS_LE_SLO16, R_OR1K_TLS_LE_SLO16 },
862 { BFD_RELOC_OR1K_PCREL_PG21, R_OR1K_PCREL_PG21 },
863 { BFD_RELOC_OR1K_GOT_PG21, R_OR1K_GOT_PG21 },
864 { BFD_RELOC_OR1K_TLS_GD_PG21, R_OR1K_TLS_GD_PG21 },
865 { BFD_RELOC_OR1K_TLS_LDM_PG21, R_OR1K_TLS_LDM_PG21 },
866 { BFD_RELOC_OR1K_TLS_IE_PG21, R_OR1K_TLS_IE_PG21 },
867 { BFD_RELOC_OR1K_LO13, R_OR1K_LO13 },
868 { BFD_RELOC_OR1K_GOT_LO13, R_OR1K_GOT_LO13 },
869 { BFD_RELOC_OR1K_TLS_GD_LO13, R_OR1K_TLS_GD_LO13 },
870 { BFD_RELOC_OR1K_TLS_LDM_LO13, R_OR1K_TLS_LDM_LO13 },
871 { BFD_RELOC_OR1K_TLS_IE_LO13, R_OR1K_TLS_IE_LO13 },
872 { BFD_RELOC_OR1K_SLO13, R_OR1K_SLO13 },
873 { BFD_RELOC_OR1K_PLTA26, R_OR1K_PLTA26 },
876 #define TLS_UNKNOWN 0
883 /* ELF linker hash entry. */
884 struct elf_or1k_link_hash_entry
886 struct elf_link_hash_entry root;
888 /* Track dynamic relocs copied for this symbol. */
889 struct elf_dyn_relocs *dyn_relocs;
891 /* Track type of TLS access. */
892 unsigned char tls_type;
895 /* ELF object data. */
896 struct elf_or1k_obj_tdata
898 struct elf_obj_tdata root;
900 /* tls_type for each local got entry. */
901 unsigned char *local_tls_type;
904 #define elf_or1k_tdata(abfd) \
905 ((struct elf_or1k_obj_tdata *) (abfd)->tdata.any)
907 #define elf_or1k_local_tls_type(abfd) \
908 (elf_or1k_tdata (abfd)->local_tls_type)
910 /* ELF linker hash table. */
911 struct elf_or1k_link_hash_table
913 struct elf_link_hash_table root;
915 /* Small local sym to section mapping cache. */
916 struct sym_cache sym_sec;
918 bfd_boolean saw_plta;
921 /* Get the ELF linker hash table from a link_info structure. */
922 #define or1k_elf_hash_table(p) \
923 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
924 == OR1K_ELF_DATA ? ((struct elf_or1k_link_hash_table *) ((p)->hash)) : NULL)
927 elf_or1k_mkobject (bfd *abfd)
929 return bfd_elf_allocate_object (abfd, sizeof (struct elf_or1k_obj_tdata),
933 /* Create an entry in an or1k ELF linker hash table. */
935 static struct bfd_hash_entry *
936 or1k_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
937 struct bfd_hash_table *table,
940 struct elf_or1k_link_hash_entry *ret =
941 (struct elf_or1k_link_hash_entry *) entry;
943 /* Allocate the structure if it has not already been allocated by a
946 ret = bfd_hash_allocate (table,
947 sizeof (struct elf_or1k_link_hash_entry));
951 /* Call the allocation method of the superclass. */
952 ret = ((struct elf_or1k_link_hash_entry *)
953 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
957 struct elf_or1k_link_hash_entry *eh;
959 eh = (struct elf_or1k_link_hash_entry *) ret;
960 eh->dyn_relocs = NULL;
961 eh->tls_type = TLS_UNKNOWN;
964 return (struct bfd_hash_entry *) ret;
967 /* Create an or1k ELF linker hash table. */
969 static struct bfd_link_hash_table *
970 or1k_elf_link_hash_table_create (bfd *abfd)
972 struct elf_or1k_link_hash_table *ret;
973 bfd_size_type amt = sizeof (struct elf_or1k_link_hash_table);
975 ret = bfd_zmalloc (amt);
979 if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
980 or1k_elf_link_hash_newfunc,
981 sizeof (struct elf_or1k_link_hash_entry),
988 return &ret->root.root;
991 static reloc_howto_type *
992 or1k_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
993 bfd_reloc_code_real_type bcode)
997 for (i = 0; i < ARRAY_SIZE (or1k_reloc_map); i++)
998 if (or1k_reloc_map[i].bfd_reloc_val == bcode)
1000 unsigned int ocode = or1k_reloc_map[i].or1k_reloc_val;
1001 if (ocode < (unsigned int) R_OR1K_max)
1002 return &or1k_elf_howto_table[ocode];
1010 static reloc_howto_type *
1011 or1k_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
1016 for (i = 0; i < R_OR1K_max; i++)
1017 if (or1k_elf_howto_table[i].name != NULL
1018 && strcasecmp (or1k_elf_howto_table[i].name, r_name) == 0)
1019 return &or1k_elf_howto_table[i];
1024 /* Set the howto pointer for an Or1k ELF reloc. */
1027 or1k_info_to_howto_rela (bfd * abfd,
1028 arelent * cache_ptr,
1029 Elf_Internal_Rela * dst)
1031 unsigned int r_type;
1033 r_type = ELF32_R_TYPE (dst->r_info);
1034 if (r_type >= (unsigned int) R_OR1K_max)
1036 /* xgettext:c-format */
1037 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
1039 bfd_set_error (bfd_error_bad_value);
1042 cache_ptr->howto = & or1k_elf_howto_table[r_type];
1047 /* Return the relocation value for @tpoff relocations.. */
1049 tpoff (struct bfd_link_info *info, bfd_vma address)
1051 /* If tls_sec is NULL, we should have signalled an error already. */
1052 if (elf_hash_table (info)->tls_sec == NULL)
1055 /* The thread pointer on or1k stores the address after the TCB where
1056 the data is, just compute the difference. No need to compensate
1057 for the size of TCB. */
1058 return (address - elf_hash_table (info)->tls_sec->vma);
1061 /* Like _bfd_final_link_relocate, but handles non-contiguous fields. */
1063 static bfd_reloc_status_type
1064 or1k_final_link_relocate (reloc_howto_type *howto, bfd *input_bfd,
1065 asection *input_section, bfd_byte *contents,
1066 bfd_vma offset, bfd_vma value)
1068 bfd_reloc_status_type status = bfd_reloc_ok;
1069 int size = bfd_get_reloc_size (howto);
1072 /* Sanity check the address. */
1073 if (offset + size > bfd_get_section_limit_octets (input_bfd, input_section))
1074 return bfd_reloc_outofrange;
1076 place = (input_section->output_section->vma
1077 + input_section->output_offset
1078 + (howto->pcrel_offset ? offset : 0));
1080 switch (howto->type)
1083 case R_OR1K_GOTOFF_AHI16:
1084 case R_OR1K_TLS_IE_AHI16:
1085 case R_OR1K_TLS_LE_AHI16:
1086 /* Adjust the operand to match with a signed LO16. */
1090 case R_OR1K_INSN_REL_26:
1092 /* Diagnose mis-aligned branch targets. */
1094 status = bfd_reloc_dangerous;
1097 case R_OR1K_PCREL_PG21:
1098 case R_OR1K_GOT_PG21:
1099 case R_OR1K_TLS_GD_PG21:
1100 case R_OR1K_TLS_LDM_PG21:
1101 case R_OR1K_TLS_IE_PG21:
1102 value = (value & -8192) - (place & -8192);
1106 case R_OR1K_GOT_LO13:
1107 case R_OR1K_TLS_GD_LO13:
1108 case R_OR1K_TLS_LDM_LO13:
1109 case R_OR1K_TLS_IE_LO13:
1115 if (howto->pc_relative)
1120 status = bfd_check_overflow (howto->complain_on_overflow,
1123 bfd_arch_bits_per_address (input_bfd),
1125 value >>= howto->rightshift;
1127 /* If we're overwriting the entire destination,
1128 then no need to read the current contents. */
1129 if (size == 0 || howto->dst_mask == N_ONES (size))
1133 BFD_ASSERT (size == 4);
1134 x = bfd_get_32 (input_bfd, contents + offset);
1137 switch (howto->type)
1140 case R_OR1K_GOTOFF_SLO16:
1141 case R_OR1K_TLS_LE_SLO16:
1143 /* The split imm16 field used for stores. */
1144 x = (x & ~0x3e007ff) | ((value & 0xf800) << 10) | (value & 0x7ff);
1149 bfd_vma fieldmask = howto->dst_mask;
1150 value <<= howto->bitpos;
1151 x = (x & ~fieldmask) | (value & fieldmask);
1156 /* Put the relocated value back in the object file. */
1162 bfd_put_8 (input_bfd, x, contents + offset);
1165 bfd_put_16 (input_bfd, x, contents + offset);
1168 bfd_put_32 (input_bfd, x, contents + offset);
1172 bfd_put_64 (input_bfd, x, contents + offset);
1177 (_("%pB: Cannot handle relocation value size of %d"),
1184 /* Relocate an Or1k ELF section.
1186 The RELOCATE_SECTION function is called by the new ELF backend linker
1187 to handle the relocations for a section.
1189 The relocs are always passed as Rela structures; if the section
1190 actually uses Rel structures, the r_addend field will always be
1193 This function is responsible for adjusting the section contents as
1194 necessary, and (if using Rela relocs and generating a relocatable
1195 output file) adjusting the reloc addend as necessary.
1197 This function does not have to worry about setting the reloc
1198 address or the reloc symbol index.
1200 LOCAL_SYMS is a pointer to the swapped in local symbols.
1202 LOCAL_SECTIONS is an array giving the section in the input file
1203 corresponding to the st_shndx field of each local symbol.
1205 The global hash table entry for the global symbols can be found
1206 via elf_sym_hashes (input_bfd).
1208 When generating relocatable output, this function must handle
1209 STB_LOCAL/STT_SECTION symbols specially. The output symbol is
1210 going to be the section symbol corresponding to the output
1211 section, which means that the addend must be adjusted
1215 or1k_elf_relocate_section (bfd *output_bfd,
1216 struct bfd_link_info *info,
1218 asection *input_section,
1220 Elf_Internal_Rela *relocs,
1221 Elf_Internal_Sym *local_syms,
1222 asection **local_sections)
1224 Elf_Internal_Shdr *symtab_hdr;
1225 struct elf_link_hash_entry **sym_hashes;
1226 Elf_Internal_Rela *rel;
1227 Elf_Internal_Rela *relend;
1228 struct elf_or1k_link_hash_table *htab = or1k_elf_hash_table (info);
1231 bfd_vma *local_got_offsets;
1232 asection *sgot, *splt;
1233 bfd_vma plt_base, got_base, got_sym_value;
1234 bfd_boolean ret_val = TRUE;
1239 dynobj = htab->root.dynobj;
1240 local_got_offsets = elf_local_got_offsets (input_bfd);
1242 sreloc = elf_section_data (input_section)->sreloc;
1244 splt = htab->root.splt;
1247 plt_base = splt->output_section->vma + splt->output_offset;
1249 sgot = htab->root.sgot;
1250 got_sym_value = got_base = 0;
1253 struct elf_link_hash_entry *hgot = htab->root.hgot;
1254 got_sym_value = (hgot->root.u.def.value
1255 + hgot->root.u.def.section->output_section->vma
1256 + hgot->root.u.def.section->output_offset);
1257 got_base = sgot->output_section->vma + sgot->output_offset;
1260 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
1261 sym_hashes = elf_sym_hashes (input_bfd);
1262 relend = relocs + input_section->reloc_count;
1264 for (rel = relocs; rel < relend; rel++)
1266 reloc_howto_type *howto;
1267 unsigned long r_symndx;
1268 Elf_Internal_Sym *sym;
1270 struct elf_link_hash_entry *h;
1272 bfd_reloc_status_type r;
1273 const char *name = NULL;
1276 r_type = ELF32_R_TYPE (rel->r_info);
1277 r_symndx = ELF32_R_SYM (rel->r_info);
1279 if (r_type == R_OR1K_GNU_VTINHERIT
1280 || r_type == R_OR1K_GNU_VTENTRY)
1283 if (r_type < 0 || r_type >= (int) R_OR1K_max)
1286 (_("%pB: unknown relocation type %d"),
1287 input_bfd, (int) r_type);
1288 bfd_set_error (bfd_error_bad_value);
1293 howto = or1k_elf_howto_table + ELF32_R_TYPE (rel->r_info);
1298 if (r_symndx < symtab_hdr->sh_info)
1300 sym = local_syms + r_symndx;
1301 sec = local_sections[r_symndx];
1302 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
1304 name = bfd_elf_string_from_elf_section
1305 (input_bfd, symtab_hdr->sh_link, sym->st_name);
1306 name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
1310 bfd_boolean unresolved_reloc, warned, ignored;
1312 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
1313 r_symndx, symtab_hdr, sym_hashes,
1315 unresolved_reloc, warned, ignored);
1316 name = h->root.root.string;
1319 if (sec != NULL && discarded_section (sec))
1320 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
1321 rel, 1, relend, howto, 0, contents);
1323 if (bfd_link_relocatable (info))
1326 switch (howto->type)
1330 /* If the call is not local, redirect the branch to the PLT.
1331 Otherwise do nothing to send the branch to the symbol direct. */
1332 if (!SYMBOL_CALLS_LOCAL (info, h)
1333 && h->plt.offset != (bfd_vma) -1)
1334 relocation = plt_base + h->plt.offset;
1336 /* Addend should be zero. */
1337 if (rel->r_addend != 0)
1340 (_("%pB: addend should be zero for plt relocations"),
1342 bfd_set_error (bfd_error_bad_value);
1348 case R_OR1K_GOT_PG21:
1349 case R_OR1K_GOT_LO13:
1353 /* Relocation is to the entry for this symbol
1354 in the global offset table. */
1355 BFD_ASSERT (sgot != NULL);
1360 off = h->got.offset;
1361 BFD_ASSERT (off != (bfd_vma) -1);
1363 dyn = htab->root.dynamic_sections_created;
1364 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
1365 bfd_link_pic (info),
1367 || (bfd_link_pic (info)
1368 && SYMBOL_REFERENCES_LOCAL (info, h)))
1370 /* This is actually a static link, or it is a -Bsymbolic
1371 link and the symbol is defined locally, or the symbol
1372 was forced to be local because of a version file.
1373 We must initialize this entry in the GOT. Since the
1374 offset must always be a multiple of 4, we use the least
1375 significant bit to record whether we have initialized
1378 When doing a dynamic link, we create a .rela.got
1379 relocation entry to initialize the value. This
1380 is done in the finish_dynamic_symbol routine. */
1385 /* Write entry in GOT. */
1386 bfd_put_32 (output_bfd, relocation,
1387 sgot->contents + off);
1388 /* Mark GOT entry as having been written. */
1397 BFD_ASSERT (local_got_offsets != NULL
1398 && local_got_offsets[r_symndx] != (bfd_vma) -1);
1400 /* Get offset into GOT table. */
1401 off = local_got_offsets[r_symndx];
1403 /* The offset must always be a multiple of 4. We use
1404 the least significant bit to record whether we have
1405 already processed this entry. */
1410 /* Write entry in GOT. */
1411 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
1412 if (bfd_link_pic (info))
1415 Elf_Internal_Rela outrel;
1417 /* We need to generate a R_OR1K_RELATIVE reloc
1418 for the dynamic linker. */
1419 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
1420 BFD_ASSERT (srelgot != NULL);
1422 outrel.r_offset = got_base + off;
1423 outrel.r_info = ELF32_R_INFO (0, R_OR1K_RELATIVE);
1424 outrel.r_addend = relocation;
1425 loc = srelgot->contents;
1426 loc += (srelgot->reloc_count
1427 * sizeof (Elf32_External_Rela));
1428 bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
1429 ++srelgot->reloc_count;
1431 local_got_offsets[r_symndx] |= 1;
1435 /* The GOT_PG21 and GOT_LO13 relocs are pc-relative,
1436 while the GOT16 reloc is GOT relative. */
1437 relocation = got_base + off;
1438 if (r_type == R_OR1K_GOT16)
1439 relocation -= got_sym_value;
1441 /* Addend should be zero. */
1442 if (rel->r_addend != 0)
1445 (_("%pB: addend should be zero for got relocations"),
1447 bfd_set_error (bfd_error_bad_value);
1453 case R_OR1K_GOTOFF_LO16:
1454 case R_OR1K_GOTOFF_HI16:
1455 case R_OR1K_GOTOFF_AHI16:
1456 case R_OR1K_GOTOFF_SLO16:
1457 /* Relocation is offset from GOT. */
1458 BFD_ASSERT (sgot != NULL);
1459 if (!SYMBOL_REFERENCES_LOCAL (info, h))
1462 (_("%pB: gotoff relocation against dynamic symbol %s"),
1463 input_bfd, h->root.root.string);
1465 bfd_set_error (bfd_error_bad_value);
1467 relocation -= got_sym_value;
1470 case R_OR1K_INSN_REL_26:
1471 case R_OR1K_PCREL_PG21:
1474 /* For a non-shared link, these will reference either the plt
1475 or a .dynbss copy of the symbol. */
1476 if (bfd_link_pic (info) && !SYMBOL_REFERENCES_LOCAL (info, h))
1479 (_("%pB: pc-relative relocation against dynamic symbol %s"),
1482 bfd_set_error (bfd_error_bad_value);
1486 case R_OR1K_HI_16_IN_INSN:
1487 case R_OR1K_LO_16_IN_INSN:
1490 if (bfd_link_pic (info))
1493 (_("%pB: non-pic relocation against symbol %s"),
1496 bfd_set_error (bfd_error_bad_value);
1503 /* r_symndx will be STN_UNDEF (zero) only for relocs against symbols
1504 from removed linkonce sections, or sections discarded by
1506 if (r_symndx == STN_UNDEF
1507 || (input_section->flags & SEC_ALLOC) == 0)
1510 /* Emit a direct relocation if the symbol is dynamic,
1511 or a RELATIVE reloc for shared objects. We can omit
1512 RELATIVE relocs to local undefweak symbols. */
1513 if (bfd_link_pic (info)
1515 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
1516 || h->root.type != bfd_link_hash_undefweak)
1520 && ((h->def_dynamic && !h->def_regular)
1521 || h->root.type == bfd_link_hash_undefweak
1522 || h->root.type == bfd_link_hash_undefined)))
1524 Elf_Internal_Rela outrel;
1528 /* When generating a shared object, these relocations
1529 are copied into the output file to be resolved at run
1532 BFD_ASSERT (sreloc != NULL);
1537 _bfd_elf_section_offset (output_bfd, info, input_section,
1539 if (outrel.r_offset == (bfd_vma) -1)
1541 else if (outrel.r_offset == (bfd_vma) -2)
1543 outrel.r_offset += (input_section->output_section->vma
1544 + input_section->output_offset);
1547 memset (&outrel, 0, sizeof outrel);
1548 else if (SYMBOL_REFERENCES_LOCAL (info, h))
1550 outrel.r_info = ELF32_R_INFO (0, R_OR1K_RELATIVE);
1551 outrel.r_addend = relocation + rel->r_addend;
1555 BFD_ASSERT (h->dynindx != -1);
1556 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
1557 outrel.r_addend = rel->r_addend;
1560 loc = sreloc->contents;
1561 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
1562 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
1568 case R_OR1K_TLS_LDM_HI16:
1569 case R_OR1K_TLS_LDM_LO16:
1570 case R_OR1K_TLS_LDM_PG21:
1571 case R_OR1K_TLS_LDM_LO13:
1572 case R_OR1K_TLS_LDO_HI16:
1573 case R_OR1K_TLS_LDO_LO16:
1574 /* TODO: implement support for local dynamic. */
1577 (_("%pB: support for local dynamic not implemented"),
1579 bfd_set_error (bfd_error_bad_value);
1582 case R_OR1K_TLS_GD_HI16:
1583 case R_OR1K_TLS_GD_LO16:
1584 case R_OR1K_TLS_GD_PG21:
1585 case R_OR1K_TLS_GD_LO13:
1586 case R_OR1K_TLS_IE_HI16:
1587 case R_OR1K_TLS_IE_LO16:
1588 case R_OR1K_TLS_IE_PG21:
1589 case R_OR1K_TLS_IE_LO13:
1590 case R_OR1K_TLS_IE_AHI16:
1593 Elf_Internal_Rela rela;
1597 sreloc = bfd_get_section_by_name (dynobj, ".rela.got");
1599 /* Mark as TLS related GOT entry by setting
1600 bit 2 as well as bit 1. */
1603 gotoff = h->got.offset;
1608 gotoff = local_got_offsets[r_symndx];
1609 local_got_offsets[r_symndx] |= 3;
1612 /* Only process the relocation once. */
1615 relocation = sgot->output_offset + (gotoff & ~3);
1619 BFD_ASSERT (elf_hash_table (info)->hgot == NULL
1620 || elf_hash_table (info)->hgot->root.u.def.value == 0);
1622 /* Dynamic entries will require relocations. if we do not need
1623 them we will just use the default R_OR1K_NONE and
1624 not set anything. */
1625 dynamic = bfd_link_pic (info)
1626 || (sec && (sec->flags & SEC_ALLOC) != 0
1628 && (h->root.type == bfd_link_hash_defweak || !h->def_regular));
1632 && (howto->type == R_OR1K_TLS_GD_HI16
1633 || howto->type == R_OR1K_TLS_GD_LO16
1634 || howto->type == R_OR1K_TLS_GD_PG21
1635 || howto->type == R_OR1K_TLS_GD_LO13))
1639 /* Add DTPMOD and DTPOFF GOT and rela entries. */
1640 for (i = 0; i < 2; ++i)
1642 rela.r_offset = got_base + gotoff + i*4;
1643 if (h != NULL && h->dynindx != -1)
1645 rela.r_info = ELF32_R_INFO (h->dynindx,
1646 (i == 0 ? R_OR1K_TLS_DTPMOD : R_OR1K_TLS_DTPOFF));
1651 rela.r_info = ELF32_R_INFO (0,
1652 (i == 0 ? R_OR1K_TLS_DTPMOD : R_OR1K_TLS_DTPOFF));
1653 rela.r_addend = tpoff (info, relocation);
1656 loc = sreloc->contents;
1657 loc += sreloc->reloc_count++ *
1658 sizeof (Elf32_External_Rela);
1660 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
1661 bfd_put_32 (output_bfd, 0, sgot->contents + gotoff + i*4);
1665 else if (howto->type == R_OR1K_TLS_GD_HI16
1666 || howto->type == R_OR1K_TLS_GD_LO16
1667 || howto->type == R_OR1K_TLS_GD_PG21
1668 || howto->type == R_OR1K_TLS_GD_LO13)
1670 bfd_put_32 (output_bfd, 1, sgot->contents + gotoff);
1671 bfd_put_32 (output_bfd, tpoff (info, relocation),
1672 sgot->contents + gotoff + 4);
1677 /* Add TPOFF GOT and rela entries. */
1678 rela.r_offset = got_base + gotoff;
1679 if (h != NULL && h->dynindx != -1)
1681 rela.r_info = ELF32_R_INFO (h->dynindx, R_OR1K_TLS_TPOFF);
1686 rela.r_info = ELF32_R_INFO (0, R_OR1K_TLS_TPOFF);
1687 rela.r_addend = tpoff (info, relocation);
1690 loc = sreloc->contents;
1691 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
1693 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
1694 bfd_put_32 (output_bfd, 0, sgot->contents + gotoff);
1699 bfd_put_32 (output_bfd, tpoff (info, relocation),
1700 sgot->contents + gotoff);
1703 /* The PG21 and LO13 relocs are pc-relative, while the
1704 rest are GOT relative. */
1705 relocation = got_base + gotoff;
1706 if (!(r_type == R_OR1K_TLS_GD_PG21
1707 || r_type == R_OR1K_TLS_GD_LO13
1708 || r_type == R_OR1K_TLS_IE_PG21
1709 || r_type == R_OR1K_TLS_IE_LO13))
1710 relocation -= got_sym_value;
1714 case R_OR1K_TLS_LE_HI16:
1715 case R_OR1K_TLS_LE_LO16:
1716 case R_OR1K_TLS_LE_AHI16:
1717 case R_OR1K_TLS_LE_SLO16:
1718 /* Relocation is offset from TP. */
1719 relocation = tpoff (info, relocation);
1722 case R_OR1K_TLS_DTPMOD:
1723 case R_OR1K_TLS_DTPOFF:
1724 case R_OR1K_TLS_TPOFF:
1725 /* These are resolved dynamically on load and shouldn't
1726 be used as linker input. */
1729 (_("%pB: will not resolve runtime TLS relocation"),
1731 bfd_set_error (bfd_error_bad_value);
1738 r = or1k_final_link_relocate (howto, input_bfd, input_section, contents,
1739 rel->r_offset, relocation + rel->r_addend);
1741 if (r != bfd_reloc_ok)
1743 const char *msg = NULL;
1747 case bfd_reloc_overflow:
1748 (*info->callbacks->reloc_overflow)
1749 (info, (h ? &h->root : NULL), name, howto->name,
1750 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
1753 case bfd_reloc_undefined:
1754 (*info->callbacks->undefined_symbol)
1755 (info, name, input_bfd, input_section, rel->r_offset, TRUE);
1758 case bfd_reloc_outofrange:
1759 msg = _("internal error: out of range error");
1762 case bfd_reloc_notsupported:
1763 msg = _("internal error: unsupported relocation error");
1766 case bfd_reloc_dangerous:
1767 msg = _("internal error: dangerous relocation");
1771 msg = _("internal error: unknown error");
1776 (*info->callbacks->warning) (info, msg, name, input_bfd,
1777 input_section, rel->r_offset);
1784 /* Return the section that should be marked against GC for a given
1788 or1k_elf_gc_mark_hook (asection *sec,
1789 struct bfd_link_info *info,
1790 Elf_Internal_Rela *rel,
1791 struct elf_link_hash_entry *h,
1792 Elf_Internal_Sym *sym)
1795 switch (ELF32_R_TYPE (rel->r_info))
1797 case R_OR1K_GNU_VTINHERIT:
1798 case R_OR1K_GNU_VTENTRY:
1802 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1805 /* Look through the relocs for a section during the first phase. */
1808 or1k_elf_check_relocs (bfd *abfd,
1809 struct bfd_link_info *info,
1811 const Elf_Internal_Rela *relocs)
1813 Elf_Internal_Shdr *symtab_hdr;
1814 struct elf_link_hash_entry **sym_hashes;
1815 const Elf_Internal_Rela *rel;
1817 const Elf_Internal_Rela *rel_end;
1818 struct elf_or1k_link_hash_table *htab;
1820 asection *sreloc = NULL;
1822 if (bfd_link_relocatable (info))
1825 /* Don't do anything special with non-loaded, non-alloced sections.
1826 In particular, any relocs in such sections should not affect GOT
1827 and PLT reference counting (ie. we don't allow them to create GOT
1828 or PLT entries), there's no possibility or desire to optimize TLS
1829 relocs, and there's not much point in propagating relocs to shared
1830 libs that the dynamic linker won't relocate. */
1831 if ((sec->flags & SEC_ALLOC) == 0)
1834 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1835 sym_hashes = elf_sym_hashes (abfd);
1837 htab = or1k_elf_hash_table (info);
1841 dynobj = htab->root.dynobj;
1843 rel_end = relocs + sec->reloc_count;
1844 for (rel = relocs; rel < rel_end; rel++)
1846 struct elf_link_hash_entry *h;
1847 unsigned long r_symndx;
1848 unsigned char tls_type;
1851 r_symndx = ELF32_R_SYM (rel->r_info);
1852 if (r_symndx < symtab_hdr->sh_info)
1856 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1857 while (h->root.type == bfd_link_hash_indirect
1858 || h->root.type == bfd_link_hash_warning)
1859 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1862 r_type = ELF32_R_TYPE (rel->r_info);
1865 case R_OR1K_TLS_GD_HI16:
1866 case R_OR1K_TLS_GD_LO16:
1867 case R_OR1K_TLS_GD_PG21:
1868 case R_OR1K_TLS_GD_LO13:
1871 case R_OR1K_TLS_LDM_HI16:
1872 case R_OR1K_TLS_LDM_LO16:
1873 case R_OR1K_TLS_LDM_PG21:
1874 case R_OR1K_TLS_LDM_LO13:
1875 case R_OR1K_TLS_LDO_HI16:
1876 case R_OR1K_TLS_LDO_LO16:
1879 case R_OR1K_TLS_IE_HI16:
1880 case R_OR1K_TLS_IE_LO16:
1881 case R_OR1K_TLS_IE_PG21:
1882 case R_OR1K_TLS_IE_LO13:
1883 case R_OR1K_TLS_IE_AHI16:
1886 case R_OR1K_TLS_LE_HI16:
1887 case R_OR1K_TLS_LE_LO16:
1888 case R_OR1K_TLS_LE_AHI16:
1889 case R_OR1K_TLS_LE_SLO16:
1893 tls_type = TLS_NONE;
1896 /* Record TLS type. */
1898 ((struct elf_or1k_link_hash_entry *) h)->tls_type = tls_type;
1901 unsigned char *local_tls_type;
1903 /* This is a TLS type record for a local symbol. */
1904 local_tls_type = (unsigned char *) elf_or1k_local_tls_type (abfd);
1905 if (local_tls_type == NULL)
1909 size = symtab_hdr->sh_info;
1910 local_tls_type = bfd_zalloc (abfd, size);
1911 if (local_tls_type == NULL)
1913 elf_or1k_local_tls_type (abfd) = local_tls_type;
1915 local_tls_type[r_symndx] = tls_type;
1920 /* This relocation describes the C++ object vtable hierarchy.
1921 Reconstruct it for later use during GC. */
1922 case R_OR1K_GNU_VTINHERIT:
1923 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1927 /* This relocation describes which C++ vtable entries are actually
1928 used. Record for later use during GC. */
1929 case R_OR1K_GNU_VTENTRY:
1930 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1934 /* This relocation requires .plt entry. */
1936 htab->saw_plta = TRUE;
1942 h->plt.refcount += 1;
1947 case R_OR1K_GOT_PG21:
1948 case R_OR1K_GOT_LO13:
1949 case R_OR1K_TLS_GD_HI16:
1950 case R_OR1K_TLS_GD_LO16:
1951 case R_OR1K_TLS_GD_PG21:
1952 case R_OR1K_TLS_GD_LO13:
1953 case R_OR1K_TLS_IE_HI16:
1954 case R_OR1K_TLS_IE_LO16:
1955 case R_OR1K_TLS_IE_PG21:
1956 case R_OR1K_TLS_IE_LO13:
1957 case R_OR1K_TLS_IE_AHI16:
1959 h->got.refcount += 1;
1962 bfd_signed_vma *local_got_refcounts;
1964 /* This is a global offset table entry for a local symbol. */
1965 local_got_refcounts = elf_local_got_refcounts (abfd);
1966 if (local_got_refcounts == NULL)
1970 size = symtab_hdr->sh_info;
1971 size *= sizeof (bfd_signed_vma);
1972 local_got_refcounts = bfd_zalloc (abfd, size);
1973 if (local_got_refcounts == NULL)
1975 elf_local_got_refcounts (abfd) = local_got_refcounts;
1977 local_got_refcounts[r_symndx] += 1;
1981 case R_OR1K_GOTOFF_HI16:
1982 case R_OR1K_GOTOFF_LO16:
1983 case R_OR1K_GOTOFF_AHI16:
1984 case R_OR1K_GOTOFF_SLO16:
1985 if (htab->root.sgot == NULL)
1988 htab->root.dynobj = dynobj = abfd;
1989 if (!_bfd_elf_create_got_section (dynobj, info))
1994 case R_OR1K_INSN_REL_26:
1995 case R_OR1K_HI_16_IN_INSN:
1996 case R_OR1K_LO_16_IN_INSN:
2000 case R_OR1K_PCREL_PG21:
2004 if (h != NULL && !bfd_link_pic (info))
2006 /* We may need a copy reloc. */
2009 /* We may also need a .plt entry. */
2010 h->plt.refcount += 1;
2011 if (r_type != R_OR1K_INSN_REL_26)
2012 h->pointer_equality_needed = 1;
2015 /* If we are creating a shared library, and this is a reloc
2016 against a global symbol, or a non PC relative reloc
2017 against a local symbol, then we need to copy the reloc
2018 into the shared library. However, if we are linking with
2019 -Bsymbolic, we do not need to copy a reloc against a
2020 global symbol which is defined in an object we are
2021 including in the link (i.e., DEF_REGULAR is set). At
2022 this point we have not seen all the input files, so it is
2023 possible that DEF_REGULAR is not set now but will be set
2024 later (it is never cleared). In case of a weak definition,
2025 DEF_REGULAR may be cleared later by a strong definition in
2026 a shared library. We account for that possibility below by
2027 storing information in the relocs_copied field of the hash
2028 table entry. A similar situation occurs when creating
2029 shared libraries and symbol visibility changes render the
2032 If on the other hand, we are creating an executable, we
2033 may need to keep relocations for symbols satisfied by a
2034 dynamic library if we manage to avoid copy relocs for the
2037 if ((bfd_link_pic (info)
2038 && (sec->flags & SEC_ALLOC) != 0
2039 && (r_type != R_OR1K_INSN_REL_26
2041 && (!SYMBOLIC_BIND (info, h)
2042 || h->root.type == bfd_link_hash_defweak
2043 || !h->def_regular))))
2044 || (!bfd_link_pic (info)
2045 && (sec->flags & SEC_ALLOC) != 0
2047 && (h->root.type == bfd_link_hash_defweak
2048 || !h->def_regular)))
2050 struct elf_dyn_relocs *p;
2051 struct elf_dyn_relocs **head;
2053 /* When creating a shared object, we must copy these
2054 relocs into the output file. We create a reloc
2055 section in dynobj and make room for the reloc. */
2059 unsigned int strndx = elf_elfheader (abfd)->e_shstrndx;
2060 unsigned int shnam = _bfd_elf_single_rel_hdr (sec)->sh_name;
2062 name = bfd_elf_string_from_elf_section (abfd, strndx, shnam);
2066 if (strncmp (name, ".rela", 5) != 0
2067 || strcmp (bfd_get_section_name (abfd, sec),
2071 /* xgettext:c-format */
2072 (_("%pB: bad relocation section name `%s\'"),
2076 if (htab->root.dynobj == NULL)
2077 htab->root.dynobj = abfd;
2078 dynobj = htab->root.dynobj;
2080 sreloc = bfd_get_section_by_name (dynobj, name);
2083 sreloc = _bfd_elf_make_dynamic_reloc_section
2084 (sec, dynobj, 2, abfd, /*rela?*/ TRUE);
2089 elf_section_data (sec)->sreloc = sreloc;
2092 /* If this is a global symbol, we count the number of
2093 relocations we need for this symbol. */
2095 head = &((struct elf_or1k_link_hash_entry *) h)->dyn_relocs;
2098 /* Track dynamic relocs needed for local syms too.
2099 We really need local syms available to do this
2103 Elf_Internal_Sym *isym;
2106 isym = bfd_sym_from_r_symndx (&htab->sym_sec,
2111 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
2115 vpp = &elf_section_data (s)->local_dynrel;
2116 head = (struct elf_dyn_relocs **) vpp;
2120 if (p == NULL || p->sec != sec)
2122 bfd_size_type amt = sizeof *p;
2123 p = ((struct elf_dyn_relocs *)
2124 bfd_alloc (htab->root.dynobj, amt));
2135 if (r_type == R_OR1K_INSN_REL_26)
2147 or1k_write_plt_entry (bfd *output_bfd, bfd_byte *contents, unsigned insn1,
2148 unsigned insn2, unsigned insn3, unsigned insnj)
2150 unsigned nodelay = elf_elfheader (output_bfd)->e_flags & EF_OR1K_NODELAY;
2153 /* Honor the no-delay-slot setting. */
2154 if (insn3 == OR1K_NOP)
2160 insn3 = insn2, insn2 = insnj;
2167 insn4 = insn3, insn3 = insnj;
2170 bfd_put_32 (output_bfd, insn1, contents);
2171 bfd_put_32 (output_bfd, insn2, contents + 4);
2172 bfd_put_32 (output_bfd, insn3, contents + 8);
2173 bfd_put_32 (output_bfd, insn4, contents + 12);
2176 /* Finish up the dynamic sections. */
2179 or1k_elf_finish_dynamic_sections (bfd *output_bfd,
2180 struct bfd_link_info *info)
2183 asection *sdyn, *sgot;
2184 struct elf_or1k_link_hash_table *htab;
2186 htab = or1k_elf_hash_table (info);
2190 dynobj = htab->root.dynobj;
2192 sgot = htab->root.sgotplt;
2193 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
2195 if (htab->root.dynamic_sections_created)
2198 Elf32_External_Dyn *dyncon, *dynconend;
2200 BFD_ASSERT (sgot != NULL && sdyn != NULL);
2202 dyncon = (Elf32_External_Dyn *) sdyn->contents;
2203 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
2205 for (; dyncon < dynconend; dyncon++)
2207 Elf_Internal_Dyn dyn;
2210 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
2218 s = htab->root.sgotplt;
2219 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
2223 s = htab->root.srelplt;
2224 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
2228 s = htab->root.srelplt;
2229 dyn.d_un.d_val = s->size;
2232 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
2236 /* Fill in the first entry in the procedure linkage table. */
2237 splt = htab->root.splt;
2238 if (splt && splt->size > 0)
2240 unsigned plt0, plt1, plt2;
2241 bfd_vma got_addr = sgot->output_section->vma + sgot->output_offset;
2243 /* Note we force 16 byte alignment on the .got, so that
2244 the movhi/adrp can be shared between the two loads. */
2248 bfd_vma pc = splt->output_section->vma + splt->output_offset;
2249 unsigned pa = ((got_addr >> 13) - (pc >> 13)) & 0x1fffff;
2250 unsigned po = got_addr & 0x1fff;
2251 plt0 = OR1K_ADRP(12) | pa;
2252 plt1 = OR1K_LWZ(15,12) | (po + 8);
2253 plt2 = OR1K_LWZ(12,12) | (po + 4);
2255 else if (bfd_link_pic (info))
2257 plt0 = OR1K_LWZ(15, 16) | 8; /* .got+8 */
2258 plt1 = OR1K_LWZ(12, 16) | 4; /* .got+4 */
2263 unsigned ha = ((got_addr + 0x8000) >> 16) & 0xffff;
2264 unsigned lo = got_addr & 0xffff;
2265 plt0 = OR1K_MOVHI(12) | ha;
2266 plt1 = OR1K_LWZ(15,12) | (lo + 8);
2267 plt2 = OR1K_LWZ(12,12) | (lo + 4);
2270 or1k_write_plt_entry (output_bfd, splt->contents,
2271 plt0, plt1, plt2, OR1K_JR(15));
2273 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
2277 /* Set the first entry in the global offset table to the address of
2278 the dynamic section. */
2279 if (sgot && sgot->size > 0)
2282 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
2284 bfd_put_32 (output_bfd,
2285 sdyn->output_section->vma + sdyn->output_offset,
2287 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
2290 if (htab->root.sgot && htab->root.sgot->size > 0)
2291 elf_section_data (htab->root.sgot->output_section)->this_hdr.sh_entsize = 4;
2296 /* Finish up dynamic symbol handling. We set the contents of various
2297 dynamic sections here. */
2300 or1k_elf_finish_dynamic_symbol (bfd *output_bfd,
2301 struct bfd_link_info *info,
2302 struct elf_link_hash_entry *h,
2303 Elf_Internal_Sym *sym)
2305 struct elf_or1k_link_hash_table *htab;
2308 htab = or1k_elf_hash_table (info);
2312 if (h->plt.offset != (bfd_vma) -1)
2314 unsigned int plt0, plt1, plt2;
2318 bfd_vma plt_base_addr;
2322 bfd_vma got_base_addr;
2325 Elf_Internal_Rela rela;
2327 /* This symbol has an entry in the procedure linkage table. Set
2329 BFD_ASSERT (h->dynindx != -1);
2331 splt = htab->root.splt;
2332 sgot = htab->root.sgotplt;
2333 srela = htab->root.srelplt;
2334 BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL);
2336 plt_base_addr = splt->output_section->vma + splt->output_offset;
2337 got_base_addr = sgot->output_section->vma + sgot->output_offset;
2339 /* Get the index in the procedure linkage table which
2340 corresponds to this symbol. This is the index of this symbol
2341 in all the symbols for which we are making plt entries. The
2342 first entry in the procedure linkage table is reserved. */
2343 plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1;
2344 plt_addr = plt_base_addr + h->plt.offset;
2345 plt_reloc = plt_index * sizeof (Elf32_External_Rela);
2347 /* Get the offset into the .got table of the entry that
2348 corresponds to this function. Each .got entry is 4 bytes.
2349 The first three are reserved. */
2350 got_offset = (plt_index + 3) * 4;
2351 got_addr = got_base_addr + got_offset;
2353 /* Fill in the entry in the procedure linkage table. */
2356 unsigned pa = ((got_addr >> 13) - (plt_addr >> 13)) & 0x1fffff;
2357 unsigned po = (got_addr & 0x1fff);
2358 plt0 = OR1K_ADRP(12) | pa;
2359 plt1 = OR1K_LWZ(12,12) | po;
2360 plt2 = OR1K_ORI0(11) | plt_reloc;
2362 else if (bfd_link_pic (info))
2364 plt0 = OR1K_LWZ(12,16) | got_offset;
2365 plt1 = OR1K_ORI0(11) | plt_reloc;
2370 unsigned ha = ((got_addr + 0x8000) >> 16) & 0xffff;
2371 unsigned lo = got_addr & 0xffff;
2372 plt0 = OR1K_MOVHI(12) | ha;
2373 plt1 = OR1K_LWZ(12,12) | lo;
2374 plt2 = OR1K_ORI0(11) | plt_reloc;
2377 or1k_write_plt_entry (output_bfd, splt->contents + h->plt.offset,
2378 plt0, plt1, plt2, OR1K_JR(12));
2380 /* Fill in the entry in the global offset table. We initialize it to
2381 point to the top of the plt. This is done to lazy lookup the actual
2382 symbol as the first plt entry will be setup by libc to call the
2383 runtime dynamic linker. */
2384 bfd_put_32 (output_bfd, plt_base_addr, sgot->contents + got_offset);
2386 /* Fill in the entry in the .rela.plt section. */
2387 rela.r_offset = got_addr;
2388 rela.r_info = ELF32_R_INFO (h->dynindx, R_OR1K_JMP_SLOT);
2390 loc = srela->contents;
2391 loc += plt_index * sizeof (Elf32_External_Rela);
2392 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
2394 if (!h->def_regular)
2396 /* Mark the symbol as undefined, rather than as defined in
2397 the .plt section. Leave the value alone. */
2398 sym->st_shndx = SHN_UNDEF;
2402 if (h->got.offset != (bfd_vma) -1
2403 && (h->got.offset & 2) == 0) /* Homemade TLS check. */
2407 Elf_Internal_Rela rela;
2409 /* This symbol has an entry in the global offset table. Set it
2411 sgot = htab->root.sgot;
2412 srela = htab->root.srelgot;
2413 BFD_ASSERT (sgot != NULL && srela != NULL);
2415 rela.r_offset = (sgot->output_section->vma
2416 + sgot->output_offset
2417 + (h->got.offset &~ 1));
2419 /* If this is a -Bsymbolic link, and the symbol is defined
2420 locally, we just want to emit a RELATIVE reloc. Likewise if
2421 the symbol was forced to be local because of a version file.
2422 The entry in the global offset table will already have been
2423 initialized in the relocate_section function. */
2424 if (bfd_link_pic (info) && SYMBOL_REFERENCES_LOCAL (info, h))
2426 rela.r_info = ELF32_R_INFO (0, R_OR1K_RELATIVE);
2427 rela.r_addend = (h->root.u.def.value
2428 + h->root.u.def.section->output_section->vma
2429 + h->root.u.def.section->output_offset);
2433 BFD_ASSERT ((h->got.offset & 1) == 0);
2434 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
2435 rela.r_info = ELF32_R_INFO (h->dynindx, R_OR1K_GLOB_DAT);
2439 loc = srela->contents;
2440 loc += srela->reloc_count * sizeof (Elf32_External_Rela);
2441 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
2442 ++srela->reloc_count;
2448 Elf_Internal_Rela rela;
2450 /* This symbols needs a copy reloc. Set it up. */
2451 BFD_ASSERT (h->dynindx != -1
2452 && (h->root.type == bfd_link_hash_defined
2453 || h->root.type == bfd_link_hash_defweak));
2455 rela.r_offset = (h->root.u.def.value
2456 + h->root.u.def.section->output_section->vma
2457 + h->root.u.def.section->output_offset);
2458 rela.r_info = ELF32_R_INFO (h->dynindx, R_OR1K_COPY);
2460 if (h->root.u.def.section == htab->root.sdynrelro)
2461 s = htab->root.sreldynrelro;
2463 s = htab->root.srelbss;
2464 loc = s->contents + s->reloc_count * sizeof (Elf32_External_Rela);
2465 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
2469 /* Mark some specially defined symbols as absolute. */
2470 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
2471 || h == htab->root.hgot)
2472 sym->st_shndx = SHN_ABS;
2477 static enum elf_reloc_type_class
2478 or1k_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
2479 const asection *rel_sec ATTRIBUTE_UNUSED,
2480 const Elf_Internal_Rela *rela)
2482 switch ((int) ELF32_R_TYPE (rela->r_info))
2484 case R_OR1K_RELATIVE: return reloc_class_relative;
2485 case R_OR1K_JMP_SLOT: return reloc_class_plt;
2486 case R_OR1K_COPY: return reloc_class_copy;
2487 default: return reloc_class_normal;
2491 /* Find dynamic relocs for H that apply to read-only sections. */
2494 readonly_dynrelocs (struct elf_link_hash_entry *h)
2496 struct elf_dyn_relocs *p;
2497 struct elf_or1k_link_hash_entry *eh = (struct elf_or1k_link_hash_entry *) h;
2499 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2501 asection *s = p->sec->output_section;
2503 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2509 /* Adjust a symbol defined by a dynamic object and referenced by a
2510 regular object. The current definition is in some section of the
2511 dynamic object, but we're not including those sections. We have to
2512 change the definition to something the rest of the link can
2516 or1k_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2517 struct elf_link_hash_entry *h)
2519 struct elf_or1k_link_hash_table *htab;
2523 dynobj = elf_hash_table (info)->dynobj;
2525 /* Make sure we know what is going on here. */
2526 BFD_ASSERT (dynobj != NULL
2531 && !h->def_regular)));
2533 /* If this is a function, put it in the procedure linkage table. We
2534 will fill in the contents of the procedure linkage table later,
2535 when we know the address of the .got section. */
2536 if (h->type == STT_FUNC
2539 if (! bfd_link_pic (info)
2542 && h->root.type != bfd_link_hash_undefweak
2543 && h->root.type != bfd_link_hash_undefined)
2545 /* This case can occur if we saw a PLT reloc in an input
2546 file, but the symbol was never referred to by a dynamic
2547 object. In such a case, we don't actually need to build
2548 a procedure linkage table, and we can just do a PCREL
2550 h->plt.offset = (bfd_vma) -1;
2557 h->plt.offset = (bfd_vma) -1;
2559 /* If this is a weak symbol, and there is a real definition, the
2560 processor independent code will have arranged for us to see the
2561 real definition first, and we can just use the same value. */
2562 if (h->is_weakalias)
2564 struct elf_link_hash_entry *def = weakdef (h);
2565 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2566 h->root.u.def.section = def->root.u.def.section;
2567 h->root.u.def.value = def->root.u.def.value;
2571 /* This is a reference to a symbol defined by a dynamic object which
2572 is not a function. */
2574 /* If we are creating a shared library, we must presume that the
2575 only references to the symbol are via the global offset table.
2576 For such cases we need not do anything here; the relocations will
2577 be handled correctly by relocate_section. */
2578 if (bfd_link_pic (info))
2581 /* If there are no references to this symbol that do not use the
2582 GOT, we don't need to generate a copy reloc. */
2583 if (!h->non_got_ref)
2586 /* If -z nocopyreloc was given, we won't generate them either. */
2587 if (info->nocopyreloc)
2593 /* If we don't find any dynamic relocs in read-only sections, then
2594 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2595 if (!readonly_dynrelocs (h))
2601 /* We must allocate the symbol in our .dynbss section, which will
2602 become part of the .bss section of the executable. There will be
2603 an entry for this symbol in the .dynsym section. The dynamic
2604 object will contain position independent code, so all references
2605 from the dynamic object to this symbol will go through the global
2606 offset table. The dynamic linker will use the .dynsym entry to
2607 determine the address it must put in the global offset table, so
2608 both the dynamic object and the regular object will refer to the
2609 same memory location for the variable. */
2611 htab = or1k_elf_hash_table (info);
2615 /* We must generate a R_OR1K_COPY reloc to tell the dynamic linker
2616 to copy the initial value out of the dynamic object and into the
2617 runtime process image. We need to remember the offset into the
2618 .rela.bss section we are going to use. */
2619 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2621 s = htab->root.sdynrelro;
2622 srel = htab->root.sreldynrelro;
2626 s = htab->root.sdynbss;
2627 srel = htab->root.srelbss;
2629 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2631 srel->size += sizeof (Elf32_External_Rela);
2635 return _bfd_elf_adjust_dynamic_copy (info, h, s);
2638 /* Allocate space in .plt, .got and associated reloc sections for
2642 allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2644 struct bfd_link_info *info;
2645 struct elf_or1k_link_hash_table *htab;
2646 struct elf_or1k_link_hash_entry *eh;
2647 struct elf_dyn_relocs *p;
2649 if (h->root.type == bfd_link_hash_indirect)
2652 info = (struct bfd_link_info *) inf;
2653 htab = or1k_elf_hash_table (info);
2657 eh = (struct elf_or1k_link_hash_entry *) h;
2659 if (htab->root.dynamic_sections_created
2660 && h->plt.refcount > 0)
2662 /* Make sure this symbol is output as a dynamic symbol.
2663 Undefined weak syms won't yet be marked as dynamic. */
2664 if (h->dynindx == -1
2665 && !h->forced_local)
2667 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2671 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
2673 asection *s = htab->root.splt;
2675 /* If this is the first .plt entry, make room for the special
2678 s->size = PLT_ENTRY_SIZE;
2680 h->plt.offset = s->size;
2682 /* If this symbol is not defined in a regular file, and we are
2683 not generating a shared library, then set the symbol to this
2684 location in the .plt. This is required to make function
2685 pointers compare as equal between the normal executable and
2686 the shared library. */
2687 if (! bfd_link_pic (info)
2690 h->root.u.def.section = s;
2691 h->root.u.def.value = h->plt.offset;
2694 /* Make room for this entry. */
2695 s->size += PLT_ENTRY_SIZE;
2697 /* We also need to make an entry in the .got.plt section, which
2698 will be placed in the .got section by the linker script. */
2699 htab->root.sgotplt->size += 4;
2701 /* We also need to make an entry in the .rel.plt section. */
2702 htab->root.srelplt->size += sizeof (Elf32_External_Rela);
2706 h->plt.offset = (bfd_vma) -1;
2712 h->plt.offset = (bfd_vma) -1;
2716 if (h->got.refcount > 0)
2720 unsigned char tls_type;
2722 /* Make sure this symbol is output as a dynamic symbol.
2723 Undefined weak syms won't yet be marked as dynamic. */
2724 if (h->dynindx == -1
2725 && !h->forced_local)
2727 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2731 s = htab->root.sgot;
2733 h->got.offset = s->size;
2735 tls_type = ((struct elf_or1k_link_hash_entry *) h)->tls_type;
2737 /* TLS GD requires two GOT and two relocs. */
2738 if (tls_type == TLS_GD)
2742 dyn = htab->root.dynamic_sections_created;
2743 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h))
2745 if (tls_type == TLS_GD)
2746 htab->root.srelgot->size += 2 * sizeof (Elf32_External_Rela);
2748 htab->root.srelgot->size += sizeof (Elf32_External_Rela);
2752 h->got.offset = (bfd_vma) -1;
2754 if (eh->dyn_relocs == NULL)
2757 /* In the shared -Bsymbolic case, discard space allocated for
2758 dynamic pc-relative relocs against symbols which turn out to be
2759 defined in regular objects. For the normal shared case, discard
2760 space for pc-relative relocs that have become local due to symbol
2761 visibility changes. */
2763 if (bfd_link_pic (info))
2765 if (SYMBOL_CALLS_LOCAL (info, h))
2767 struct elf_dyn_relocs **pp;
2769 for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
2771 p->count -= p->pc_count;
2780 /* Also discard relocs on undefined weak syms with non-default
2782 if (eh->dyn_relocs != NULL
2783 && h->root.type == bfd_link_hash_undefweak)
2785 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2786 eh->dyn_relocs = NULL;
2788 /* Make sure undefined weak symbols are output as a dynamic
2790 else if (h->dynindx == -1
2791 && !h->forced_local)
2793 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2800 /* For the non-shared case, discard space for relocs against
2801 symbols which turn out to need copy relocs or are not
2807 || (htab->root.dynamic_sections_created
2808 && (h->root.type == bfd_link_hash_undefweak
2809 || h->root.type == bfd_link_hash_undefined))))
2811 /* Make sure this symbol is output as a dynamic symbol.
2812 Undefined weak syms won't yet be marked as dynamic. */
2813 if (h->dynindx == -1
2814 && !h->forced_local)
2816 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2820 /* If that succeeded, we know we'll be keeping all the
2822 if (h->dynindx != -1)
2826 eh->dyn_relocs = NULL;
2831 /* Finally, allocate space. */
2832 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2834 asection *sreloc = elf_section_data (p->sec)->sreloc;
2835 sreloc->size += p->count * sizeof (Elf32_External_Rela);
2841 /* Set DF_TEXTREL if we find any dynamic relocs that apply to
2842 read-only sections. */
2845 maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
2849 if (h->root.type == bfd_link_hash_indirect)
2852 sec = readonly_dynrelocs (h);
2855 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
2857 info->flags |= DF_TEXTREL;
2858 info->callbacks->minfo
2859 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
2860 sec->owner, h->root.root.string, sec);
2862 /* Not an error, just cut short the traversal. */
2868 /* Set the sizes of the dynamic sections. */
2871 or1k_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2872 struct bfd_link_info *info)
2874 struct elf_or1k_link_hash_table *htab;
2880 htab = or1k_elf_hash_table (info);
2884 dynobj = htab->root.dynobj;
2885 BFD_ASSERT (dynobj != NULL);
2887 if (htab->root.dynamic_sections_created)
2889 /* Set the contents of the .interp section to the interpreter. */
2890 if (bfd_link_executable (info) && !info->nointerp)
2892 s = bfd_get_section_by_name (dynobj, ".interp");
2893 BFD_ASSERT (s != NULL);
2894 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
2895 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
2899 /* Set up .got offsets for local syms, and space for local dynamic
2901 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2903 bfd_signed_vma *local_got;
2904 bfd_signed_vma *end_local_got;
2905 bfd_size_type locsymcount;
2906 Elf_Internal_Shdr *symtab_hdr;
2907 unsigned char *local_tls_type;
2910 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
2913 for (s = ibfd->sections; s != NULL; s = s->next)
2915 struct elf_dyn_relocs *p;
2917 for (p = ((struct elf_dyn_relocs *)
2918 elf_section_data (s)->local_dynrel);
2922 if (! bfd_is_abs_section (p->sec)
2923 && bfd_is_abs_section (p->sec->output_section))
2925 /* Input section has been discarded, either because
2926 it is a copy of a linkonce section or due to
2927 linker script /DISCARD/, so we'll be discarding
2930 else if (p->count != 0)
2932 srel = elf_section_data (p->sec)->sreloc;
2933 srel->size += p->count * sizeof (Elf32_External_Rela);
2934 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2935 info->flags |= DF_TEXTREL;
2940 local_got = elf_local_got_refcounts (ibfd);
2944 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
2945 locsymcount = symtab_hdr->sh_info;
2946 end_local_got = local_got + locsymcount;
2947 s = htab->root.sgot;
2948 srel = htab->root.srelgot;
2949 local_tls_type = (unsigned char *) elf_or1k_local_tls_type (ibfd);
2950 for (; local_got < end_local_got; ++local_got)
2954 *local_got = s->size;
2956 /* TLS GD requires two GOT and two relocs. */
2957 if (local_tls_type != NULL && *local_tls_type == TLS_GD)
2961 if (bfd_link_pic (info))
2963 if (local_tls_type != NULL && *local_tls_type == TLS_GD)
2964 srel->size += 2 * sizeof (Elf32_External_Rela);
2966 srel->size += sizeof (Elf32_External_Rela);
2971 *local_got = (bfd_vma) -1;
2978 /* Allocate global sym .plt and .got entries, and space for global
2979 sym dynamic relocs. */
2980 elf_link_hash_traverse (&htab->root, allocate_dynrelocs, info);
2982 /* We now have determined the sizes of the various dynamic sections.
2983 Allocate memory for them. */
2985 for (s = dynobj->sections; s != NULL; s = s->next)
2987 if ((s->flags & SEC_LINKER_CREATED) == 0)
2990 if (s == htab->root.splt
2991 || s == htab->root.sgot
2992 || s == htab->root.sgotplt
2993 || s == htab->root.sdynbss
2994 || s == htab->root.sdynrelro)
2996 /* Strip this section if we don't need it; see the
2999 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
3001 if (s->size != 0 && s != htab->root.srelplt)
3004 /* We use the reloc_count field as a counter if we need
3005 to copy relocs into the output file. */
3009 /* It's not one of our sections, so don't allocate space. */
3014 /* If we don't need this section, strip it from the
3015 output file. This is mostly to handle .rela.bss and
3016 .rela.plt. We must create both sections in
3017 create_dynamic_sections, because they must be created
3018 before the linker maps input sections to output
3019 sections. The linker does that before
3020 adjust_dynamic_symbol is called, and it is that
3021 function which decides whether anything needs to go
3022 into these sections. */
3023 s->flags |= SEC_EXCLUDE;
3027 if ((s->flags & SEC_HAS_CONTENTS) == 0)
3030 /* Allocate memory for the section contents. We use bfd_zalloc
3031 here in case unused entries are not reclaimed before the
3032 section's contents are written out. This should not happen,
3033 but this way if it does, we get a R_OR1K_NONE reloc instead
3035 s->contents = bfd_zalloc (dynobj, s->size);
3037 if (s->contents == NULL)
3041 if (htab->root.dynamic_sections_created)
3043 /* Add some entries to the .dynamic section. We fill in the
3044 values later, in or1k_elf_finish_dynamic_sections, but we
3045 must add the entries now so that we get the correct size for
3046 the .dynamic section. The DT_DEBUG entry is filled in by the
3047 dynamic linker and used by the debugger. */
3048 #define add_dynamic_entry(TAG, VAL) \
3049 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
3051 if (bfd_link_executable (info))
3053 if (! add_dynamic_entry (DT_DEBUG, 0))
3057 if (htab->root.splt->size != 0)
3059 if (! add_dynamic_entry (DT_PLTGOT, 0)
3060 || ! add_dynamic_entry (DT_PLTRELSZ, 0)
3061 || ! add_dynamic_entry (DT_PLTREL, DT_RELA)
3062 || ! add_dynamic_entry (DT_JMPREL, 0))
3068 if (! add_dynamic_entry (DT_RELA, 0)
3069 || ! add_dynamic_entry (DT_RELASZ, 0)
3070 || ! add_dynamic_entry (DT_RELAENT,
3071 sizeof (Elf32_External_Rela)))
3074 /* If any dynamic relocs apply to a read-only section,
3075 then we need a DT_TEXTREL entry. */
3076 if ((info->flags & DF_TEXTREL) == 0)
3077 elf_link_hash_traverse (&htab->root, maybe_set_textrel, info);
3079 if ((info->flags & DF_TEXTREL) != 0)
3081 if (! add_dynamic_entry (DT_TEXTREL, 0))
3087 #undef add_dynamic_entry
3091 /* Copy the extra info we tack onto an elf_link_hash_entry. */
3094 or1k_elf_copy_indirect_symbol (struct bfd_link_info *info,
3095 struct elf_link_hash_entry *dir,
3096 struct elf_link_hash_entry *ind)
3098 struct elf_or1k_link_hash_entry * edir;
3099 struct elf_or1k_link_hash_entry * eind;
3101 edir = (struct elf_or1k_link_hash_entry *) dir;
3102 eind = (struct elf_or1k_link_hash_entry *) ind;
3104 if (eind->dyn_relocs != NULL)
3106 if (edir->dyn_relocs != NULL)
3108 struct elf_dyn_relocs **pp;
3109 struct elf_dyn_relocs *p;
3111 /* Add reloc counts against the indirect sym to the direct sym
3112 list. Merge any entries against the same section. */
3113 for (pp = &eind->dyn_relocs; (p = *pp) != NULL;)
3115 struct elf_dyn_relocs *q;
3117 for (q = edir->dyn_relocs; q != NULL; q = q->next)
3118 if (q->sec == p->sec)
3120 q->pc_count += p->pc_count;
3121 q->count += p->count;
3128 *pp = edir->dyn_relocs;
3131 edir->dyn_relocs = eind->dyn_relocs;
3132 eind->dyn_relocs = NULL;
3135 if (ind->root.type == bfd_link_hash_indirect)
3137 if (dir->got.refcount <= 0)
3139 edir->tls_type = eind->tls_type;
3140 eind->tls_type = TLS_UNKNOWN;
3144 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
3147 /* Set the right machine number. */
3150 or1k_elf_object_p (bfd *abfd)
3152 unsigned long mach = bfd_mach_or1k;
3154 if (elf_elfheader (abfd)->e_flags & EF_OR1K_NODELAY)
3155 mach = bfd_mach_or1knd;
3157 return bfd_default_set_arch_mach (abfd, bfd_arch_or1k, mach);
3160 /* Store the machine number in the flags field. */
3163 or1k_elf_final_write_processing (bfd *abfd)
3165 switch (bfd_get_mach (abfd))
3170 case bfd_mach_or1knd:
3171 elf_elfheader (abfd)->e_flags |= EF_OR1K_NODELAY;
3174 return _bfd_elf_final_write_processing (abfd);
3178 or1k_elf_set_private_flags (bfd *abfd, flagword flags)
3180 BFD_ASSERT (!elf_flags_init (abfd)
3181 || elf_elfheader (abfd)->e_flags == flags);
3183 elf_elfheader (abfd)->e_flags = flags;
3184 elf_flags_init (abfd) = TRUE;
3188 /* Make sure all input files are consistent with respect to
3189 EF_OR1K_NODELAY flag setting. */
3192 elf32_or1k_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
3194 bfd *obfd = info->output_bfd;
3198 in_flags = elf_elfheader (ibfd)->e_flags;
3199 out_flags = elf_elfheader (obfd)->e_flags;
3201 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
3202 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
3205 if (!elf_flags_init (obfd))
3207 elf_flags_init (obfd) = TRUE;
3208 elf_elfheader (obfd)->e_flags = in_flags;
3213 if (in_flags == out_flags)
3216 if ((in_flags & EF_OR1K_NODELAY) != (out_flags & EF_OR1K_NODELAY))
3219 (_("%pB: %s flag mismatch with previous modules"),
3220 ibfd, "EF_OR1K_NODELAY");
3222 bfd_set_error (bfd_error_bad_value);
3230 /* Implement elf_backend_grok_prstatus:
3231 Support for core dump NOTE sections. */
3233 or1k_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
3238 switch (note->descsz)
3243 case 212: /* Linux/OpenRISC */
3245 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
3248 elf_tdata (abfd)->core->pid = bfd_get_32 (abfd, note->descdata + 24);
3257 /* Make a ".reg/999" section. */
3258 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
3259 size, note->descpos + offset);
3262 /* Implement elf_backend_grok_psinfo. */
3264 or1k_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
3266 switch (note->descsz)
3271 case 128: /* Linux/OpenRISC elf_prpsinfo */
3272 elf_tdata (abfd)->core->program
3273 = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
3274 elf_tdata (abfd)->core->command
3275 = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
3282 #define ELF_ARCH bfd_arch_or1k
3283 #define ELF_MACHINE_CODE EM_OR1K
3284 #define ELF_TARGET_ID OR1K_ELF_DATA
3285 #define ELF_MAXPAGESIZE 0x2000
3287 #define TARGET_BIG_SYM or1k_elf32_vec
3288 #define TARGET_BIG_NAME "elf32-or1k"
3290 #define elf_info_to_howto_rel NULL
3291 #define elf_info_to_howto or1k_info_to_howto_rela
3292 #define elf_backend_relocate_section or1k_elf_relocate_section
3293 #define elf_backend_gc_mark_hook or1k_elf_gc_mark_hook
3294 #define elf_backend_check_relocs or1k_elf_check_relocs
3295 #define elf_backend_reloc_type_class or1k_elf_reloc_type_class
3296 #define elf_backend_can_gc_sections 1
3297 #define elf_backend_rela_normal 1
3299 #define bfd_elf32_mkobject elf_or1k_mkobject
3301 #define bfd_elf32_bfd_merge_private_bfd_data elf32_or1k_merge_private_bfd_data
3302 #define bfd_elf32_bfd_set_private_flags or1k_elf_set_private_flags
3303 #define bfd_elf32_bfd_reloc_type_lookup or1k_reloc_type_lookup
3304 #define bfd_elf32_bfd_reloc_name_lookup or1k_reloc_name_lookup
3306 #define elf_backend_object_p or1k_elf_object_p
3307 #define elf_backend_final_write_processing or1k_elf_final_write_processing
3308 #define elf_backend_can_refcount 1
3310 #define elf_backend_plt_readonly 1
3311 #define elf_backend_want_got_plt 1
3312 #define elf_backend_want_plt_sym 0
3313 #define elf_backend_got_header_size 12
3314 #define elf_backend_dtrel_excludes_plt 1
3315 #define elf_backend_want_dynrelro 1
3317 #define bfd_elf32_bfd_link_hash_table_create or1k_elf_link_hash_table_create
3318 #define elf_backend_copy_indirect_symbol or1k_elf_copy_indirect_symbol
3319 #define elf_backend_create_dynamic_sections _bfd_elf_create_dynamic_sections
3320 #define elf_backend_finish_dynamic_sections or1k_elf_finish_dynamic_sections
3321 #define elf_backend_size_dynamic_sections or1k_elf_size_dynamic_sections
3322 #define elf_backend_adjust_dynamic_symbol or1k_elf_adjust_dynamic_symbol
3323 #define elf_backend_finish_dynamic_symbol or1k_elf_finish_dynamic_symbol
3325 #define elf_backend_grok_prstatus or1k_grok_prstatus
3326 #define elf_backend_grok_psinfo or1k_grok_psinfo
3328 #include "elf32-target.h"
projects / external / binutils.git / blob