1 /* TILE-Gx-specific support for ELF.
2 Copyright (C) 2011-2018 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
25 #include "elf/tilegx.h"
26 #include "opcode/tilegx.h"
27 #include "libiberty.h"
28 #include "elfxx-tilegx.h"
30 #define ABI_64_P(abfd) \
31 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
33 #define TILEGX_ELF_WORD_BYTES(htab) \
34 ((htab)->bytes_per_word)
36 /* The size of an external RELA relocation. */
37 #define TILEGX_ELF_RELA_BYTES(htab) \
38 ((htab)->bytes_per_rela)
40 /* Both 32-bit and 64-bit tilegx encode this in an identical manner,
41 so just take advantage of that. */
42 #define TILEGX_ELF_R_TYPE(r_info) \
45 #define TILEGX_ELF_R_INFO(htab, in_rel, index, type) \
46 ((htab)->r_info (in_rel, index, type))
48 #define TILEGX_ELF_R_SYMNDX(htab, r_info) \
49 ((htab)->r_symndx(r_info))
51 #define TILEGX_ELF_DTPOFF_RELOC(htab) \
52 ((htab)->dtpoff_reloc)
54 #define TILEGX_ELF_DTPMOD_RELOC(htab) \
55 ((htab)->dtpmod_reloc)
57 #define TILEGX_ELF_TPOFF_RELOC(htab) \
60 #define TILEGX_ELF_PUT_WORD(htab, bfd, val, ptr) \
61 ((htab)->put_word (bfd, val, ptr))
63 /* The name of the dynamic interpreter. This is put in the .interp
66 #define ELF64_DYNAMIC_INTERPRETER "/lib/ld.so.1"
67 #define ELF32_DYNAMIC_INTERPRETER "/lib32/ld.so.1"
70 static reloc_howto_type tilegx_elf_howto_table [] =
72 /* This reloc does nothing. */
73 HOWTO (R_TILEGX_NONE, /* type */
75 3, /* size (0 = byte, 1 = short, 2 = long) */
77 FALSE, /* pc_relative */
79 complain_overflow_dont, /* complain_on_overflow */
80 bfd_elf_generic_reloc, /* special_function */
81 "R_TILEGX_NONE", /* name */
82 FALSE, /* partial_inplace */
85 FALSE), /* pcrel_offset */
87 /* A 64 bit absolute relocation. */
88 HOWTO (R_TILEGX_64, /* type */
90 4, /* size (0 = byte, 1 = short, 2 = long) */
92 FALSE, /* pc_relative */
94 complain_overflow_dont, /* complain_on_overflow */
95 bfd_elf_generic_reloc, /* special_function */
96 "R_TILEGX_64", /* name */
97 FALSE, /* partial_inplace */
99 0xffffffffffffffffULL, /* dst_mask */
100 FALSE), /* pcrel_offset */
102 /* A 32 bit absolute relocation. */
103 HOWTO (R_TILEGX_32, /* type */
105 2, /* size (0 = byte, 1 = short, 2 = long) */
107 FALSE, /* pc_relative */
109 complain_overflow_dont, /* complain_on_overflow */
110 bfd_elf_generic_reloc, /* special_function */
111 "R_TILEGX_32", /* name */
112 FALSE, /* partial_inplace */
114 0xffffffff, /* dst_mask */
115 FALSE), /* pcrel_offset */
117 /* A 16 bit absolute relocation. */
118 HOWTO (R_TILEGX_16, /* type */
120 1, /* size (0 = byte, 1 = short, 2 = long) */
122 FALSE, /* pc_relative */
124 complain_overflow_bitfield, /* complain_on_overflow */
125 bfd_elf_generic_reloc, /* special_function */
126 "R_TILEGX_16", /* name */
127 FALSE, /* partial_inplace */
129 0xffff, /* dst_mask */
130 FALSE), /* pcrel_offset */
132 /* An 8 bit absolute relocation. */
133 HOWTO (R_TILEGX_8, /* type */
135 0, /* size (0 = byte, 1 = short, 2 = long) */
137 FALSE, /* pc_relative */
139 complain_overflow_unsigned, /* complain_on_overflow */
140 bfd_elf_generic_reloc, /* special_function */
141 "R_TILEGX_8", /* name */
142 FALSE, /* partial_inplace */
145 FALSE), /* pcrel_offset */
147 /* A 64 bit pc-relative relocation. */
148 HOWTO (R_TILEGX_64_PCREL,/* type */
150 4, /* size (0 = byte, 1 = short, 2 = long) */
152 TRUE, /* pc_relative */
154 complain_overflow_dont, /* complain_on_overflow */
155 bfd_elf_generic_reloc, /* special_function */
156 "R_TILEGX_32_PCREL", /* name */
157 FALSE, /* partial_inplace */
159 0xffffffffffffffffULL, /* dst_mask */
160 TRUE), /* pcrel_offset */
162 /* A 32 bit pc-relative relocation. */
163 HOWTO (R_TILEGX_32_PCREL,/* type */
165 2, /* size (0 = byte, 1 = short, 2 = long) */
167 TRUE, /* pc_relative */
169 complain_overflow_dont, /* complain_on_overflow */
170 bfd_elf_generic_reloc, /* special_function */
171 "R_TILEGX_32_PCREL", /* name */
172 FALSE, /* partial_inplace */
174 0xffffffff, /* dst_mask */
175 TRUE), /* pcrel_offset */
177 /* A 16 bit pc-relative relocation. */
178 HOWTO (R_TILEGX_16_PCREL,/* type */
180 1, /* size (0 = byte, 1 = short, 2 = long) */
182 TRUE, /* pc_relative */
184 complain_overflow_signed, /* complain_on_overflow */
185 bfd_elf_generic_reloc, /* special_function */
186 "R_TILEGX_16_PCREL", /* name */
187 FALSE, /* partial_inplace */
189 0xffff, /* dst_mask */
190 TRUE), /* pcrel_offset */
192 /* An 8 bit pc-relative relocation. */
193 HOWTO (R_TILEGX_8_PCREL, /* type */
195 0, /* size (0 = byte, 1 = short, 2 = long) */
197 TRUE, /* pc_relative */
199 complain_overflow_signed, /* complain_on_overflow */
200 bfd_elf_generic_reloc, /* special_function */
201 "R_TILEGX_8_PCREL",/* name */
202 FALSE, /* partial_inplace */
205 TRUE), /* pcrel_offset */
207 /* A 16 bit relocation without overflow. */
208 HOWTO (R_TILEGX_HW0, /* type */
210 1, /* size (0 = byte, 1 = short, 2 = long) */
212 FALSE, /* pc_relative */
214 complain_overflow_dont,/* complain_on_overflow */
215 bfd_elf_generic_reloc, /* special_function */
216 "R_TILEGX_HW0", /* name */
217 FALSE, /* partial_inplace */
219 0xffff, /* dst_mask */
220 FALSE), /* pcrel_offset */
222 /* A 16 bit relocation without overflow. */
223 HOWTO (R_TILEGX_HW1, /* type */
225 1, /* size (0 = byte, 1 = short, 2 = long) */
227 FALSE, /* pc_relative */
229 complain_overflow_dont,/* complain_on_overflow */
230 bfd_elf_generic_reloc, /* special_function */
231 "R_TILEGX_HW1", /* name */
232 FALSE, /* partial_inplace */
234 0xffff, /* dst_mask */
235 FALSE), /* pcrel_offset */
237 /* A 16 bit relocation without overflow. */
238 HOWTO (R_TILEGX_HW2, /* type */
240 1, /* size (0 = byte, 1 = short, 2 = long) */
242 FALSE, /* pc_relative */
244 complain_overflow_dont,/* complain_on_overflow */
245 bfd_elf_generic_reloc, /* special_function */
246 "R_TILEGX_HW2", /* name */
247 FALSE, /* partial_inplace */
249 0xffff, /* dst_mask */
250 FALSE), /* pcrel_offset */
252 /* A 16 bit relocation without overflow. */
253 HOWTO (R_TILEGX_HW3, /* type */
255 1, /* size (0 = byte, 1 = short, 2 = long) */
257 FALSE, /* pc_relative */
259 complain_overflow_dont,/* complain_on_overflow */
260 bfd_elf_generic_reloc, /* special_function */
261 "R_TILEGX_HW3", /* name */
262 FALSE, /* partial_inplace */
264 0xffff, /* dst_mask */
265 FALSE), /* pcrel_offset */
267 /* A 16 bit relocation with overflow. */
268 HOWTO (R_TILEGX_HW0_LAST, /* type */
270 1, /* size (0 = byte, 1 = short, 2 = long) */
272 FALSE, /* pc_relative */
274 complain_overflow_signed,/* complain_on_overflow */
275 bfd_elf_generic_reloc, /* special_function */
276 "R_TILEGX_HW0_LAST", /* name */
277 FALSE, /* partial_inplace */
279 0xffff, /* dst_mask */
280 FALSE), /* pcrel_offset */
282 /* A 16 bit relocation with overflow. */
283 HOWTO (R_TILEGX_HW1_LAST, /* type */
285 1, /* size (0 = byte, 1 = short, 2 = long) */
287 FALSE, /* pc_relative */
289 complain_overflow_signed,/* complain_on_overflow */
290 bfd_elf_generic_reloc, /* special_function */
291 "R_TILEGX_HW1_LAST", /* name */
292 FALSE, /* partial_inplace */
294 0xffff, /* dst_mask */
295 FALSE), /* pcrel_offset */
297 /* A 16 bit relocation with overflow. */
298 HOWTO (R_TILEGX_HW2_LAST, /* type */
300 1, /* size (0 = byte, 1 = short, 2 = long) */
302 FALSE, /* pc_relative */
304 complain_overflow_signed,/* complain_on_overflow */
305 bfd_elf_generic_reloc, /* special_function */
306 "R_TILEGX_HW2_LAST", /* name */
307 FALSE, /* partial_inplace */
309 0xffff, /* dst_mask */
310 FALSE), /* pcrel_offset */
312 HOWTO (R_TILEGX_COPY, /* type */
314 0, /* size (0 = byte, 1 = short, 2 = long) */
316 FALSE, /* pc_relative */
318 complain_overflow_dont, /* complain_on_overflow */
319 bfd_elf_generic_reloc, /* special_function */
320 "R_TILEGX_COPY", /* name */
321 FALSE, /* partial_inplace */
324 TRUE), /* pcrel_offset */
326 HOWTO (R_TILEGX_GLOB_DAT, /* type */
328 0, /* size (0 = byte, 1 = short, 2 = long) */
330 FALSE, /* pc_relative */
332 complain_overflow_dont, /* complain_on_overflow */
333 bfd_elf_generic_reloc, /* special_function */
334 "R_TILEGX_GLOB_DAT", /* name */
335 FALSE, /* partial_inplace */
338 TRUE), /* pcrel_offset */
340 HOWTO (R_TILEGX_JMP_SLOT, /* type */
342 0, /* size (0 = byte, 1 = short, 2 = long) */
344 FALSE, /* pc_relative */
346 complain_overflow_dont, /* complain_on_overflow */
347 bfd_elf_generic_reloc, /* special_function */
348 "R_TILEGX_JMP_SLOT", /* name */
349 FALSE, /* partial_inplace */
352 TRUE), /* pcrel_offset */
354 HOWTO (R_TILEGX_RELATIVE, /* type */
356 0, /* size (0 = byte, 1 = short, 2 = long) */
358 FALSE, /* pc_relative */
360 complain_overflow_dont, /* complain_on_overflow */
361 bfd_elf_generic_reloc, /* special_function */
362 "R_TILEGX_RELATIVE", /* name */
363 FALSE, /* partial_inplace */
366 TRUE), /* pcrel_offset */
368 HOWTO (R_TILEGX_BROFF_X1, /* type */
369 TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
370 2, /* size (0 = byte, 1 = short, 2 = long) */
372 TRUE, /* pc_relative */
374 complain_overflow_signed, /* complain_on_overflow */
375 bfd_elf_generic_reloc, /* special_function */
376 "R_TILEGX_BROFF_X1", /* name */
377 FALSE, /* partial_inplace */
380 TRUE), /* pcrel_offset */
382 HOWTO (R_TILEGX_JUMPOFF_X1, /* type */
383 TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
384 2, /* size (0 = byte, 1 = short, 2 = long) */
386 TRUE, /* pc_relative */
388 complain_overflow_signed,/* complain_on_overflow */
389 bfd_elf_generic_reloc, /* special_function */
390 "R_TILEGX_JUMPOFF_X1", /* name */
391 FALSE, /* partial_inplace */
394 TRUE), /* pcrel_offset */
396 HOWTO (R_TILEGX_JUMPOFF_X1_PLT, /* type */
397 TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
398 2, /* size (0 = byte, 1 = short, 2 = long) */
400 TRUE, /* pc_relative */
402 complain_overflow_signed,/* complain_on_overflow */
403 bfd_elf_generic_reloc, /* special_function */
404 "R_TILEGX_JUMPOFF_X1_PLT", /* name */
405 FALSE, /* partial_inplace */
408 TRUE), /* pcrel_offset */
410 #define TILEGX_IMM_HOWTO(name, size, bitsize) \
411 HOWTO (name, 0, size, bitsize, FALSE, 0, \
412 complain_overflow_signed, bfd_elf_generic_reloc, \
413 #name, FALSE, 0, -1, FALSE)
415 #define TILEGX_UIMM_HOWTO(name, size, bitsize) \
416 HOWTO (name, 0, size, bitsize, FALSE, 0, \
417 complain_overflow_unsigned, bfd_elf_generic_reloc, \
418 #name, FALSE, 0, -1, FALSE)
420 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X0, 0, 8),
421 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y0, 0, 8),
422 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X1, 0, 8),
423 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y1, 0, 8),
424 TILEGX_IMM_HOWTO(R_TILEGX_DEST_IMM8_X1, 0, 8),
426 TILEGX_UIMM_HOWTO(R_TILEGX_MT_IMM14_X1, 1, 14),
427 TILEGX_UIMM_HOWTO(R_TILEGX_MF_IMM14_X1, 1, 14),
429 TILEGX_UIMM_HOWTO(R_TILEGX_MMSTART_X0, 0, 6),
430 TILEGX_UIMM_HOWTO(R_TILEGX_MMEND_X0, 0, 6),
432 TILEGX_UIMM_HOWTO(R_TILEGX_SHAMT_X0, 0, 6),
433 TILEGX_UIMM_HOWTO(R_TILEGX_SHAMT_X1, 0, 6),
434 TILEGX_UIMM_HOWTO(R_TILEGX_SHAMT_Y0, 0, 6),
435 TILEGX_UIMM_HOWTO(R_TILEGX_SHAMT_Y1, 0, 6),
437 #define TILEGX_IMM16_HOWTO(name, rshift) \
438 HOWTO (name, rshift, 1, 16, FALSE, 0, \
439 complain_overflow_dont, bfd_elf_generic_reloc, \
440 #name, FALSE, 0, 0xffff, FALSE)
442 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0, 0),
443 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0, 0),
444 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW1, 16),
445 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW1, 16),
446 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW2, 32),
447 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW2, 32),
448 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW3, 48),
449 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW3, 48),
451 #define TILEGX_IMM16_HOWTO_LAST(name, rshift) \
452 HOWTO (name, rshift, 1, 16, FALSE, 0, \
453 complain_overflow_signed, bfd_elf_generic_reloc, \
454 #name, FALSE, 0, 0xffff, FALSE)
456 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST, 0),
457 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST, 0),
458 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST, 16),
459 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST, 16),
460 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW2_LAST, 32),
461 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW2_LAST, 32),
463 /* PC-relative offsets. */
465 #define TILEGX_IMM16_HOWTO_PCREL(name, rshift) \
466 HOWTO (name, rshift, 1, 16, TRUE, 0, \
467 complain_overflow_dont, bfd_elf_generic_reloc, \
468 #name, FALSE, 0, 0xffff, TRUE)
470 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW0_PCREL, 0),
471 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW0_PCREL, 0),
472 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW1_PCREL, 16),
473 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW1_PCREL, 16),
474 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW2_PCREL, 32),
475 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW2_PCREL, 32),
476 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW3_PCREL, 48),
477 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW3_PCREL, 48),
479 #define TILEGX_IMM16_HOWTO_LAST_PCREL(name, rshift) \
480 HOWTO (name, rshift, 1, 16, TRUE, 0, \
481 complain_overflow_signed, bfd_elf_generic_reloc, \
482 #name, FALSE, 0, 0xffff, TRUE)
484 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW0_LAST_PCREL, 0),
485 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW0_LAST_PCREL, 0),
486 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW1_LAST_PCREL, 16),
487 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW1_LAST_PCREL, 16),
488 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW2_LAST_PCREL, 32),
489 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW2_LAST_PCREL, 32),
491 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_GOT, 0),
492 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_GOT, 0),
494 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW0_PLT_PCREL, 0),
495 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW0_PLT_PCREL, 0),
496 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW1_PLT_PCREL, 16),
497 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW1_PLT_PCREL, 16),
498 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW2_PLT_PCREL, 32),
499 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW2_PLT_PCREL, 32),
501 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST_GOT, 0),
502 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST_GOT, 0),
503 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST_GOT, 16),
504 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST_GOT, 16),
506 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW3_PLT_PCREL, 48),
507 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW3_PLT_PCREL, 48),
509 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_TLS_GD, 0),
510 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_TLS_GD, 0),
512 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_TLS_LE, 0),
513 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_TLS_LE, 0),
514 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE, 0),
515 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE, 0),
516 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE, 16),
517 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE, 16),
519 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD, 0),
520 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD, 0),
521 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD, 16),
522 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD, 16),
526 #define TILEGX_IMM16_HOWTO_TLS_IE(name, rshift) \
527 HOWTO (name, rshift, 1, 16, FALSE, 0, \
528 complain_overflow_dont, bfd_elf_generic_reloc, \
529 #name, FALSE, 0, 0xffff, TRUE)
531 TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X0_HW0_TLS_IE, 0),
532 TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X1_HW0_TLS_IE, 0),
534 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL, 0),
535 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL, 0),
536 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL, 16),
537 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL, 16),
538 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL, 32),
539 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL, 32),
541 #define TILEGX_IMM16_HOWTO_LAST_TLS_IE(name, rshift) \
542 HOWTO (name, rshift, 1, 16, FALSE, 0, \
543 complain_overflow_signed, bfd_elf_generic_reloc, \
544 #name, FALSE, 0, 0xffff, TRUE)
546 TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE, 0),
547 TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE, 0),
548 TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE, 16),
549 TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE, 16),
553 HOWTO(R_TILEGX_TLS_DTPMOD64, 0, 0, 0, FALSE, 0, complain_overflow_dont,
554 bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPMOD64",
556 HOWTO(R_TILEGX_TLS_DTPOFF64, 0, 4, 64, FALSE, 0, complain_overflow_bitfield,
557 bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPOFF64",
559 HOWTO(R_TILEGX_TLS_TPOFF64, 0, 0, 0, FALSE, 0, complain_overflow_dont,
560 bfd_elf_generic_reloc, "R_TILEGX_TLS_TPOFF64",
563 HOWTO(R_TILEGX_TLS_DTPMOD32, 0, 0, 0, FALSE, 0, complain_overflow_dont,
564 bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPMOD32",
566 HOWTO(R_TILEGX_TLS_DTPOFF32, 0, 4, 32, FALSE, 0, complain_overflow_bitfield,
567 bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPOFF32",
569 HOWTO(R_TILEGX_TLS_TPOFF32, 0, 0, 0, FALSE, 0, complain_overflow_dont,
570 bfd_elf_generic_reloc, "R_TILEGX_TLS_TPOFF32",
573 HOWTO (R_TILEGX_TLS_GD_CALL, /* type */
574 TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
575 2, /* size (0 = byte, 1 = short, 2 = long) */
577 TRUE, /* pc_relative */
579 complain_overflow_signed,/* complain_on_overflow */
580 bfd_elf_generic_reloc, /* special_function */
581 "R_TILEGX_TLS_GD_CALL", /* name */
582 FALSE, /* partial_inplace */
585 TRUE), /* pcrel_offset */
587 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X0_TLS_GD_ADD, 0, 8),
588 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X1_TLS_GD_ADD, 0, 8),
589 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y0_TLS_GD_ADD, 0, 8),
590 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y1_TLS_GD_ADD, 0, 8),
591 TILEGX_IMM_HOWTO(R_TILEGX_TLS_IE_LOAD, 0, 8),
592 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X0_TLS_ADD, 0, 8),
593 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X1_TLS_ADD, 0, 8),
594 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y0_TLS_ADD, 0, 8),
595 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y1_TLS_ADD, 0, 8),
598 static reloc_howto_type tilegx_elf_howto_table2 [] =
600 /* GNU extension to record C++ vtable hierarchy */
601 HOWTO (R_TILEGX_GNU_VTINHERIT, /* type */
603 4, /* size (0 = byte, 1 = short, 2 = long) */
605 FALSE, /* pc_relative */
607 complain_overflow_dont, /* complain_on_overflow */
608 NULL, /* special_function */
609 "R_TILEGX_GNU_VTINHERIT", /* name */
610 FALSE, /* partial_inplace */
613 FALSE), /* pcrel_offset */
615 /* GNU extension to record C++ vtable member usage */
616 HOWTO (R_TILEGX_GNU_VTENTRY, /* type */
618 4, /* size (0 = byte, 1 = short, 2 = long) */
620 FALSE, /* pc_relative */
622 complain_overflow_dont, /* complain_on_overflow */
623 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
624 "R_TILEGX_GNU_VTENTRY", /* name */
625 FALSE, /* partial_inplace */
628 FALSE), /* pcrel_offset */
632 /* Map BFD reloc types to TILEGX ELF reloc types. */
634 typedef struct tilegx_reloc_map
636 bfd_reloc_code_real_type bfd_reloc_val;
637 unsigned int tilegx_reloc_val;
638 reloc_howto_type * table;
641 static const reloc_map tilegx_reloc_map [] =
643 #define TH_REMAP(bfd, tilegx) \
644 { bfd, tilegx, tilegx_elf_howto_table },
646 /* Standard relocations. */
647 TH_REMAP (BFD_RELOC_NONE, R_TILEGX_NONE)
648 TH_REMAP (BFD_RELOC_64, R_TILEGX_64)
649 TH_REMAP (BFD_RELOC_32, R_TILEGX_32)
650 TH_REMAP (BFD_RELOC_16, R_TILEGX_16)
651 TH_REMAP (BFD_RELOC_8, R_TILEGX_8)
652 TH_REMAP (BFD_RELOC_64_PCREL, R_TILEGX_64_PCREL)
653 TH_REMAP (BFD_RELOC_32_PCREL, R_TILEGX_32_PCREL)
654 TH_REMAP (BFD_RELOC_16_PCREL, R_TILEGX_16_PCREL)
655 TH_REMAP (BFD_RELOC_8_PCREL, R_TILEGX_8_PCREL)
657 #define SIMPLE_REMAP(t) TH_REMAP (BFD_RELOC_##t, R_##t)
659 /* Custom relocations. */
660 SIMPLE_REMAP (TILEGX_HW0)
661 SIMPLE_REMAP (TILEGX_HW1)
662 SIMPLE_REMAP (TILEGX_HW2)
663 SIMPLE_REMAP (TILEGX_HW3)
664 SIMPLE_REMAP (TILEGX_HW0_LAST)
665 SIMPLE_REMAP (TILEGX_HW1_LAST)
666 SIMPLE_REMAP (TILEGX_HW2_LAST)
667 SIMPLE_REMAP (TILEGX_COPY)
668 SIMPLE_REMAP (TILEGX_GLOB_DAT)
669 SIMPLE_REMAP (TILEGX_JMP_SLOT)
670 SIMPLE_REMAP (TILEGX_RELATIVE)
671 SIMPLE_REMAP (TILEGX_BROFF_X1)
672 SIMPLE_REMAP (TILEGX_JUMPOFF_X1)
673 SIMPLE_REMAP (TILEGX_JUMPOFF_X1_PLT)
674 SIMPLE_REMAP (TILEGX_IMM8_X0)
675 SIMPLE_REMAP (TILEGX_IMM8_Y0)
676 SIMPLE_REMAP (TILEGX_IMM8_X1)
677 SIMPLE_REMAP (TILEGX_IMM8_Y1)
678 SIMPLE_REMAP (TILEGX_DEST_IMM8_X1)
679 SIMPLE_REMAP (TILEGX_MT_IMM14_X1)
680 SIMPLE_REMAP (TILEGX_MF_IMM14_X1)
681 SIMPLE_REMAP (TILEGX_MMSTART_X0)
682 SIMPLE_REMAP (TILEGX_MMEND_X0)
683 SIMPLE_REMAP (TILEGX_SHAMT_X0)
684 SIMPLE_REMAP (TILEGX_SHAMT_X1)
685 SIMPLE_REMAP (TILEGX_SHAMT_Y0)
686 SIMPLE_REMAP (TILEGX_SHAMT_Y1)
687 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0)
688 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0)
689 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1)
690 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1)
691 SIMPLE_REMAP (TILEGX_IMM16_X0_HW2)
692 SIMPLE_REMAP (TILEGX_IMM16_X1_HW2)
693 SIMPLE_REMAP (TILEGX_IMM16_X0_HW3)
694 SIMPLE_REMAP (TILEGX_IMM16_X1_HW3)
695 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST)
696 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST)
697 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST)
698 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST)
699 SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST)
700 SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST)
701 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_PCREL)
702 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_PCREL)
703 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_PCREL)
704 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_PCREL)
705 SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_PCREL)
706 SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_PCREL)
707 SIMPLE_REMAP (TILEGX_IMM16_X0_HW3_PCREL)
708 SIMPLE_REMAP (TILEGX_IMM16_X1_HW3_PCREL)
709 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_PCREL)
710 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_PCREL)
711 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_PCREL)
712 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_PCREL)
713 SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST_PCREL)
714 SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST_PCREL)
715 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_GOT)
716 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_GOT)
717 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_PLT_PCREL)
718 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_PLT_PCREL)
719 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_PLT_PCREL)
720 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_PLT_PCREL)
721 SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_PLT_PCREL)
722 SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_PLT_PCREL)
723 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_GOT)
724 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_GOT)
725 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_GOT)
726 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_GOT)
727 SIMPLE_REMAP (TILEGX_IMM16_X0_HW3_PLT_PCREL)
728 SIMPLE_REMAP (TILEGX_IMM16_X1_HW3_PLT_PCREL)
729 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_GD)
730 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_GD)
731 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_LE)
732 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_LE)
733 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_TLS_LE)
734 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_TLS_LE)
735 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_TLS_LE)
736 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_TLS_LE)
737 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_TLS_GD)
738 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_TLS_GD)
739 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_TLS_GD)
740 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_TLS_GD)
741 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_IE)
742 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_IE)
743 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL)
744 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL)
745 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL)
746 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL)
747 SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL)
748 SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL)
749 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_TLS_IE)
750 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_TLS_IE)
751 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_TLS_IE)
752 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_TLS_IE)
754 SIMPLE_REMAP (TILEGX_TLS_DTPMOD64)
755 SIMPLE_REMAP (TILEGX_TLS_DTPOFF64)
756 SIMPLE_REMAP (TILEGX_TLS_TPOFF64)
758 SIMPLE_REMAP (TILEGX_TLS_DTPMOD32)
759 SIMPLE_REMAP (TILEGX_TLS_DTPOFF32)
760 SIMPLE_REMAP (TILEGX_TLS_TPOFF32)
762 SIMPLE_REMAP (TILEGX_TLS_GD_CALL)
763 SIMPLE_REMAP (TILEGX_IMM8_X0_TLS_GD_ADD)
764 SIMPLE_REMAP (TILEGX_IMM8_X1_TLS_GD_ADD)
765 SIMPLE_REMAP (TILEGX_IMM8_Y0_TLS_GD_ADD)
766 SIMPLE_REMAP (TILEGX_IMM8_Y1_TLS_GD_ADD)
767 SIMPLE_REMAP (TILEGX_TLS_IE_LOAD)
768 SIMPLE_REMAP (TILEGX_IMM8_X0_TLS_ADD)
769 SIMPLE_REMAP (TILEGX_IMM8_X1_TLS_ADD)
770 SIMPLE_REMAP (TILEGX_IMM8_Y0_TLS_ADD)
771 SIMPLE_REMAP (TILEGX_IMM8_Y1_TLS_ADD)
776 { BFD_RELOC_VTABLE_INHERIT, R_TILEGX_GNU_VTINHERIT, tilegx_elf_howto_table2 },
777 { BFD_RELOC_VTABLE_ENTRY, R_TILEGX_GNU_VTENTRY, tilegx_elf_howto_table2 },
782 /* TILEGX ELF linker hash entry. */
784 struct tilegx_elf_link_hash_entry
786 struct elf_link_hash_entry elf;
788 /* Track dynamic relocs copied for this symbol. */
789 struct elf_dyn_relocs *dyn_relocs;
791 #define GOT_UNKNOWN 0
795 unsigned char tls_type;
798 #define tilegx_elf_hash_entry(ent) \
799 ((struct tilegx_elf_link_hash_entry *)(ent))
801 struct _bfd_tilegx_elf_obj_tdata
803 struct elf_obj_tdata root;
805 /* tls_type for each local got entry. */
806 char *local_got_tls_type;
809 #define _bfd_tilegx_elf_tdata(abfd) \
810 ((struct _bfd_tilegx_elf_obj_tdata *) (abfd)->tdata.any)
812 #define _bfd_tilegx_elf_local_got_tls_type(abfd) \
813 (_bfd_tilegx_elf_tdata (abfd)->local_got_tls_type)
815 #define is_tilegx_elf(bfd) \
816 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
817 && elf_tdata (bfd) != NULL \
818 && elf_object_id (bfd) == TILEGX_ELF_DATA)
820 #include "elf/common.h"
821 #include "elf/internal.h"
823 struct tilegx_elf_link_hash_table
825 struct elf_link_hash_table elf;
828 int word_align_power;
833 bfd_vma (*r_info) (Elf_Internal_Rela *, bfd_vma, bfd_vma);
834 bfd_vma (*r_symndx) (bfd_vma);
835 void (*put_word) (bfd *, bfd_vma, void *);
836 const char *dynamic_interpreter;
838 /* Whether LE transition has been disabled for some of the
840 bfd_boolean disable_le_transition;
842 /* Small local sym to section mapping cache. */
843 struct sym_cache sym_cache;
847 /* Get the Tile ELF linker hash table from a link_info structure. */
848 #define tilegx_elf_hash_table(p) \
849 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
850 == TILEGX_ELF_DATA ? ((struct tilegx_elf_link_hash_table *) ((p)->hash)) : NULL)
854 tilegx_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
858 return ELF64_R_INFO (rel_index, type);
862 tilegx_elf_r_symndx_64 (bfd_vma r_info)
864 return ELF64_R_SYM (r_info);
868 tilegx_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
870 bfd_put_64 (abfd, val, ptr);
875 tilegx_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
879 return ELF32_R_INFO (rel_index, type);
883 tilegx_elf_r_symndx_32 (bfd_vma r_info)
885 return ELF32_R_SYM (r_info);
889 tilegx_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
891 bfd_put_32 (abfd, val, ptr);
895 tilegx_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
896 bfd_reloc_code_real_type code)
900 for (i = ARRAY_SIZE (tilegx_reloc_map); i--;)
902 const reloc_map * entry;
904 entry = tilegx_reloc_map + i;
906 if (entry->bfd_reloc_val == code)
907 return entry->table + (entry->tilegx_reloc_val
908 - entry->table[0].type);
915 tilegx_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
921 i < (sizeof (tilegx_elf_howto_table)
922 / sizeof (tilegx_elf_howto_table[0]));
924 if (tilegx_elf_howto_table[i].name != NULL
925 && strcasecmp (tilegx_elf_howto_table[i].name, r_name) == 0)
926 return &tilegx_elf_howto_table[i];
932 tilegx_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED,
934 Elf_Internal_Rela *dst)
936 unsigned int r_type = TILEGX_ELF_R_TYPE (dst->r_info);
938 if (r_type <= (unsigned int) R_TILEGX_IMM8_Y1_TLS_ADD)
939 cache_ptr->howto = &tilegx_elf_howto_table [r_type];
940 else if (r_type - R_TILEGX_GNU_VTINHERIT
941 <= (unsigned int) R_TILEGX_GNU_VTENTRY)
943 = &tilegx_elf_howto_table2 [r_type - R_TILEGX_GNU_VTINHERIT];
948 typedef tilegx_bundle_bits (*tilegx_create_func)(int);
950 static const tilegx_create_func reloc_to_create_func[] =
952 /* The first twenty relocation types don't correspond to operands */
974 /* The remaining relocations are used for immediate operands */
1062 tilegx_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
1064 const struct elf_backend_data *bed;
1067 bed = get_elf_backend_data (abfd);
1068 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
1069 bed->s->swap_reloca_out (abfd, rel, loc);
1074 /* The procedure linkage table starts with the following header:
1080 info 10 ## SP not offset, return PC in LR
1083 Subsequent entries are the following, jumping to the header at the end:
1086 moveli r28, <_GLOBAL_OFFSET_TABLE_ - 1f + MY_GOT_OFFSET>
1091 moveli r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
1092 shl16insli r28, r28, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET>
1096 shl16insli r27, r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
1101 info 10 ## SP not offset, return PC in LR
1104 shl16insli r29, zero, MY_PLT_INDEX
1108 This code sequence lets the code at at the start of the PLT determine
1109 which PLT entry was executed by examining 'r29'.
1111 Note that MY_PLT_INDEX skips over the header entries, so the first
1112 actual jump table entry has index zero.
1114 If the offset fits in 16 bits,
1119 addli r28, r26, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET>
1120 moveli r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
1123 shl16insli r29, zero, MY_PLT_INDEX
1130 info 10 ## SP not offset, return PC in LR
1132 For the purpose of backtracing, the procedure linkage table ends with the
1133 following tail entry:
1135 info 10 ## SP not offset, return PC in LR
1137 The 32-bit versions are similar, with ld4s replacing ld, and offsets into
1138 the GOT being multiples of 4 instead of 8.
1142 #define PLT_HEADER_SIZE_IN_BUNDLES 3
1143 #define PLT_ENTRY_SIZE_IN_BUNDLES 5
1144 #define PLT_TAIL_SIZE_IN_BUNDLES 1
1146 #define PLT_HEADER_SIZE \
1147 (PLT_HEADER_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
1148 #define PLT_ENTRY_SIZE \
1149 (PLT_ENTRY_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
1150 #define PLT_TAIL_SIZE \
1151 (PLT_TAIL_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
1153 #define GOT_ENTRY_SIZE(htab) TILEGX_ELF_WORD_BYTES (htab)
1155 #define GOTPLT_HEADER_SIZE(htab) (2 * GOT_ENTRY_SIZE (htab))
1157 static const bfd_byte
1158 tilegx64_plt0_entry[PLT_HEADER_SIZE] =
1160 0x00, 0x30, 0x48, 0x51,
1161 0x6e, 0x43, 0xa0, 0x18, /* { ld_add r28, r27, 8 } */
1162 0x00, 0x30, 0xbc, 0x35,
1163 0x00, 0x40, 0xde, 0x9e, /* { ld r27, r27 } */
1164 0xff, 0xaf, 0x30, 0x40,
1165 0x60, 0x73, 0x6a, 0x28, /* { info 10 ; jr r27 } */
1168 static const bfd_byte
1169 tilegx64_long_plt_entry[PLT_ENTRY_SIZE] =
1171 0xdc, 0x0f, 0x00, 0x10,
1172 0x0d, 0xf0, 0x6a, 0x28, /* { moveli r28, 0 ; lnk r26 } */
1173 0xdb, 0x0f, 0x00, 0x10,
1174 0x8e, 0x03, 0x00, 0x38, /* { moveli r27, 0 ; shl16insli r28, r28, 0 } */
1175 0x9c, 0xc6, 0x0d, 0xd0,
1176 0x6d, 0x03, 0x00, 0x38, /* { add r28, r26, r28 ; shl16insli r27, r27, 0 } */
1177 0x9b, 0xb6, 0xc5, 0xad,
1178 0xff, 0x57, 0xe0, 0x8e, /* { add r27, r26, r27 ; info 10 ; ld r28, r28 } */
1179 0xdd, 0x0f, 0x00, 0x70,
1180 0x80, 0x73, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; jr r28 } */
1183 static const bfd_byte
1184 tilegx64_short_plt_entry[PLT_ENTRY_SIZE] =
1186 0x00, 0x30, 0x48, 0x51,
1187 0x0d, 0xf0, 0x6a, 0x28, /* { lnk r26 } */
1188 0x9c, 0x06, 0x00, 0x90,
1189 0xed, 0x07, 0x00, 0x00, /* { addli r28, r26, 0 ; moveli r27, 0 } */
1190 0xdd, 0x0f, 0x00, 0x70,
1191 0x8e, 0xeb, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; ld r28, r28 } */
1192 0x9b, 0xb6, 0x0d, 0x50,
1193 0x80, 0x73, 0x6a, 0x28, /* { add r27, r26, r27 ; jr r28 } */
1194 0x00, 0x30, 0x48, 0xd1,
1195 0xff, 0x57, 0x18, 0x18, /* { info 10 } */
1198 /* Reuse an existing info 10 bundle. */
1199 static const bfd_byte *const tilegx64_plt_tail_entry =
1200 &tilegx64_short_plt_entry[4 * TILEGX_BUNDLE_SIZE_IN_BYTES];
1202 static const bfd_byte
1203 tilegx32_plt0_entry[PLT_HEADER_SIZE] =
1205 0x00, 0x30, 0x48, 0x51,
1206 0x6e, 0x23, 0x58, 0x18, /* { ld4s_add r28, r27, 4 } */
1207 0x00, 0x30, 0xbc, 0x35,
1208 0x00, 0x40, 0xde, 0x9c, /* { ld4s r27, r27 } */
1209 0xff, 0xaf, 0x30, 0x40,
1210 0x60, 0x73, 0x6a, 0x28, /* { info 10 ; jr r27 } */
1213 static const bfd_byte
1214 tilegx32_long_plt_entry[PLT_ENTRY_SIZE] =
1216 0xdc, 0x0f, 0x00, 0x10,
1217 0x0d, 0xf0, 0x6a, 0x28, /* { moveli r28, 0 ; lnk r26 } */
1218 0xdb, 0x0f, 0x00, 0x10,
1219 0x8e, 0x03, 0x00, 0x38, /* { moveli r27, 0 ; shl16insli r28, r28, 0 } */
1220 0x9c, 0xc6, 0x0d, 0xd0,
1221 0x6d, 0x03, 0x00, 0x38, /* { add r28, r26, r28 ; shl16insli r27, r27, 0 } */
1222 0x9b, 0xb6, 0xc5, 0xad,
1223 0xff, 0x57, 0xe0, 0x8c, /* { add r27, r26, r27 ; info 10 ; ld4s r28, r28 } */
1224 0xdd, 0x0f, 0x00, 0x70,
1225 0x80, 0x73, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; jr r28 } */
1228 static const bfd_byte
1229 tilegx32_short_plt_entry[PLT_ENTRY_SIZE] =
1231 0x00, 0x30, 0x48, 0x51,
1232 0x0d, 0xf0, 0x6a, 0x28, /* { lnk r26 } */
1233 0x9c, 0x06, 0x00, 0x90,
1234 0xed, 0x07, 0x00, 0x00, /* { addli r28, r26, 0 ; moveli r27, 0 } */
1235 0xdd, 0x0f, 0x00, 0x70,
1236 0x8e, 0x9b, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; ld4s r28, r28 } */
1237 0x9b, 0xb6, 0x0d, 0x50,
1238 0x80, 0x73, 0x6a, 0x28, /* { add r27, r26, r27 ; jr r28 } */
1239 0x00, 0x30, 0x48, 0xd1,
1240 0xff, 0x57, 0x18, 0x18, /* { info 10 } */
1243 /* Reuse an existing info 10 bundle. */
1244 static const bfd_byte *const tilegx32_plt_tail_entry =
1245 &tilegx64_short_plt_entry[4 * TILEGX_BUNDLE_SIZE_IN_BYTES];
1248 tilegx_plt_entry_build (bfd *output_bfd,
1249 struct tilegx_elf_link_hash_table *htab,
1250 asection *splt, asection *sgotplt,
1251 bfd_vma offset, bfd_vma *r_offset)
1253 int plt_index = (offset - PLT_HEADER_SIZE) / PLT_ENTRY_SIZE;
1254 int got_offset = (plt_index * GOT_ENTRY_SIZE (htab)
1255 + GOTPLT_HEADER_SIZE (htab));
1256 tilegx_bundle_bits *pc;
1258 /* Compute the distance from the got entry to the lnk. */
1259 bfd_signed_vma dist_got_entry = sgotplt->output_section->vma
1260 + sgotplt->output_offset
1262 - splt->output_section->vma
1263 - splt->output_offset
1265 - TILEGX_BUNDLE_SIZE_IN_BYTES;
1267 /* Compute the distance to GOTPLT[0]. */
1268 bfd_signed_vma dist_got0 = dist_got_entry - got_offset;
1270 /* Check whether we can use the short plt entry with 16-bit offset. */
1271 bfd_boolean short_plt_entry =
1272 (dist_got_entry <= 0x7fff && dist_got0 >= -0x8000);
1274 const tilegx_bundle_bits *plt_entry = (tilegx_bundle_bits *)
1275 (ABI_64_P (output_bfd) ?
1276 (short_plt_entry ? tilegx64_short_plt_entry : tilegx64_long_plt_entry) :
1277 (short_plt_entry ? tilegx32_short_plt_entry : tilegx32_long_plt_entry));
1279 /* Copy the plt entry template. */
1280 memcpy (splt->contents + offset, plt_entry, PLT_ENTRY_SIZE);
1282 /* Write the immediate offsets. */
1283 pc = (tilegx_bundle_bits *)(splt->contents + offset);
1285 if (short_plt_entry)
1290 /* { addli r28, r28, &GOTPLT[MY_GOT_INDEX] ; moveli r27, &GOTPLT[0] } */
1291 *pc++ |= create_Imm16_X0 (dist_got_entry)
1292 | create_Imm16_X1 (dist_got0);
1294 /* { shl16insli r29, zero, MY_PLT_INDEX ; ld r28, r28 } */
1295 *pc++ |= create_Imm16_X0 (plt_index);
1299 /* { moveli r28, &GOTPLT[MY_GOT_INDEX] ; lnk r26 } */
1300 *pc++ |= create_Imm16_X0 (dist_got_entry >> 16);
1302 /* { moveli r27, &GOTPLT[0] ;
1303 shl16insli r28, r28, &GOTPLT[MY_GOT_INDEX] } */
1304 *pc++ |= create_Imm16_X0 (dist_got0 >> 16)
1305 | create_Imm16_X1 (dist_got_entry);
1307 /* { add r28, r26, r28 ; shl16insli r27, r27, &GOTPLT[0] } */
1308 *pc++ |= create_Imm16_X1 (dist_got0);
1310 /* { add r27, r26, r27 ; info 10 ; ld r28, r28 } */
1313 /* { shl16insli r29, zero, MY_GOT_INDEX ; jr r28 } */
1314 *pc++ |= create_Imm16_X0 (plt_index);
1317 /* Set the relocation offset. */
1318 *r_offset = got_offset;
1323 /* Create an entry in an TILEGX ELF linker hash table. */
1325 static struct bfd_hash_entry *
1326 link_hash_newfunc (struct bfd_hash_entry *entry,
1327 struct bfd_hash_table *table, const char *string)
1329 /* Allocate the structure if it has not already been allocated by a
1334 bfd_hash_allocate (table,
1335 sizeof (struct tilegx_elf_link_hash_entry));
1340 /* Call the allocation method of the superclass. */
1341 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1344 struct tilegx_elf_link_hash_entry *eh;
1346 eh = (struct tilegx_elf_link_hash_entry *) entry;
1347 eh->dyn_relocs = NULL;
1348 eh->tls_type = GOT_UNKNOWN;
1354 /* Create a TILEGX ELF linker hash table. */
1356 struct bfd_link_hash_table *
1357 tilegx_elf_link_hash_table_create (bfd *abfd)
1359 struct tilegx_elf_link_hash_table *ret;
1360 bfd_size_type amt = sizeof (struct tilegx_elf_link_hash_table);
1362 ret = (struct tilegx_elf_link_hash_table *) bfd_zmalloc (amt);
1367 if (ABI_64_P (abfd))
1369 ret->bytes_per_word = 8;
1370 ret->word_align_power = 3;
1371 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
1372 ret->dtpoff_reloc = R_TILEGX_TLS_DTPOFF64;
1373 ret->dtpmod_reloc = R_TILEGX_TLS_DTPMOD64;
1374 ret->tpoff_reloc = R_TILEGX_TLS_TPOFF64;
1375 ret->r_info = tilegx_elf_r_info_64;
1376 ret->r_symndx = tilegx_elf_r_symndx_64;
1377 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
1378 ret->put_word = tilegx_put_word_64;
1383 ret->bytes_per_word = 4;
1384 ret->word_align_power = 2;
1385 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
1386 ret->dtpoff_reloc = R_TILEGX_TLS_DTPOFF32;
1387 ret->dtpmod_reloc = R_TILEGX_TLS_DTPMOD32;
1388 ret->tpoff_reloc = R_TILEGX_TLS_TPOFF32;
1389 ret->r_info = tilegx_elf_r_info_32;
1390 ret->r_symndx = tilegx_elf_r_symndx_32;
1391 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
1392 ret->put_word = tilegx_put_word_32;
1395 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
1396 sizeof (struct tilegx_elf_link_hash_entry),
1403 return &ret->elf.root;
1406 /* Create the .got section. */
1409 tilegx_elf_create_got_section (bfd *abfd, struct bfd_link_info *info)
1412 asection *s, *s_got;
1413 struct elf_link_hash_entry *h;
1414 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1415 struct elf_link_hash_table *htab = elf_hash_table (info);
1417 /* This function may be called more than once. */
1418 if (htab->sgot != NULL)
1421 flags = bed->dynamic_sec_flags;
1423 s = bfd_make_section_anyway_with_flags (abfd,
1424 (bed->rela_plts_and_copies_p
1425 ? ".rela.got" : ".rel.got"),
1426 (bed->dynamic_sec_flags
1429 || ! bfd_set_section_alignment (abfd, s, bed->s->log_file_align))
1433 s = s_got = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
1435 || !bfd_set_section_alignment (abfd, s, bed->s->log_file_align))
1439 /* The first bit of the global offset table is the header. */
1440 s->size += bed->got_header_size;
1442 if (bed->want_got_plt)
1444 s = bfd_make_section_anyway_with_flags (abfd, ".got.plt", flags);
1446 || !bfd_set_section_alignment (abfd, s,
1447 bed->s->log_file_align))
1451 /* Reserve room for the header. */
1452 s->size += GOTPLT_HEADER_SIZE (tilegx_elf_hash_table (info));
1455 if (bed->want_got_sym)
1457 /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got
1458 section. We don't do this in the linker script because we don't want
1459 to define the symbol if we are not creating a global offset
1461 h = _bfd_elf_define_linkage_sym (abfd, info, s_got,
1462 "_GLOBAL_OFFSET_TABLE_");
1463 elf_hash_table (info)->hgot = h;
1471 /* Create .plt, .rela.plt, .got, .got.plt, .rela.got, .dynbss, and
1472 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1476 tilegx_elf_create_dynamic_sections (bfd *dynobj,
1477 struct bfd_link_info *info)
1479 if (!tilegx_elf_create_got_section (dynobj, info))
1482 return _bfd_elf_create_dynamic_sections (dynobj, info);
1485 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1488 tilegx_elf_copy_indirect_symbol (struct bfd_link_info *info,
1489 struct elf_link_hash_entry *dir,
1490 struct elf_link_hash_entry *ind)
1492 struct tilegx_elf_link_hash_entry *edir, *eind;
1494 edir = (struct tilegx_elf_link_hash_entry *) dir;
1495 eind = (struct tilegx_elf_link_hash_entry *) ind;
1497 if (eind->dyn_relocs != NULL)
1499 if (edir->dyn_relocs != NULL)
1501 struct elf_dyn_relocs **pp;
1502 struct elf_dyn_relocs *p;
1504 /* Add reloc counts against the indirect sym to the direct sym
1505 list. Merge any entries against the same section. */
1506 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1508 struct elf_dyn_relocs *q;
1510 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1511 if (q->sec == p->sec)
1513 q->pc_count += p->pc_count;
1514 q->count += p->count;
1521 *pp = edir->dyn_relocs;
1524 edir->dyn_relocs = eind->dyn_relocs;
1525 eind->dyn_relocs = NULL;
1528 if (ind->root.type == bfd_link_hash_indirect
1529 && dir->got.refcount <= 0)
1531 edir->tls_type = eind->tls_type;
1532 eind->tls_type = GOT_UNKNOWN;
1534 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1538 tilegx_tls_translate_to_le (int r_type)
1542 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
1543 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
1544 return R_TILEGX_IMM16_X0_HW0_TLS_LE;
1546 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
1547 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
1548 return R_TILEGX_IMM16_X1_HW0_TLS_LE;
1550 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
1551 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
1552 return R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE;
1554 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
1555 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
1556 return R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE;
1558 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
1559 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
1560 return R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE;
1562 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
1563 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
1564 return R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE;
1570 tilegx_tls_translate_to_ie (int r_type)
1574 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
1575 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
1576 return R_TILEGX_IMM16_X0_HW0_TLS_IE;
1578 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
1579 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
1580 return R_TILEGX_IMM16_X1_HW0_TLS_IE;
1582 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
1583 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
1584 return R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE;
1586 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
1587 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
1588 return R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE;
1590 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
1591 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
1592 return R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE;
1594 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
1595 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
1596 return R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE;
1602 tilegx_elf_tls_transition (struct bfd_link_info *info, int r_type,
1603 int is_local, bfd_boolean disable_le_transition)
1605 if (!bfd_link_executable (info))
1608 if (is_local && !disable_le_transition)
1609 return tilegx_tls_translate_to_le (r_type);
1611 return tilegx_tls_translate_to_ie (r_type);
1614 /* Look through the relocs for a section during the first phase, and
1615 allocate space in the global offset table or procedure linkage
1619 tilegx_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1620 asection *sec, const Elf_Internal_Rela *relocs)
1622 struct tilegx_elf_link_hash_table *htab;
1623 Elf_Internal_Shdr *symtab_hdr;
1624 struct elf_link_hash_entry **sym_hashes;
1625 const Elf_Internal_Rela *rel;
1626 const Elf_Internal_Rela *rel_end;
1629 bfd_boolean has_tls_gd_or_ie = FALSE, has_tls_add = FALSE;
1631 if (bfd_link_relocatable (info))
1634 htab = tilegx_elf_hash_table (info);
1635 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1636 sym_hashes = elf_sym_hashes (abfd);
1640 num_relocs = sec->reloc_count;
1642 BFD_ASSERT (is_tilegx_elf (abfd) || num_relocs == 0);
1644 if (htab->elf.dynobj == NULL)
1645 htab->elf.dynobj = abfd;
1647 rel_end = relocs + num_relocs;
1649 /* Check whether to do optimization to transform TLS GD/IE
1650 referehces to TLS LE. We disable it if we're linking with old
1651 TLS code sequences that do not support such optimization. Old
1652 TLS code sequences have tls_gd_call/tls_ie_load relocations but
1653 no tls_add relocations. */
1654 for (rel = relocs; rel < rel_end && !has_tls_add; rel++)
1656 int r_type = TILEGX_ELF_R_TYPE (rel->r_info);
1659 case R_TILEGX_TLS_GD_CALL:
1660 case R_TILEGX_TLS_IE_LOAD:
1661 has_tls_gd_or_ie = TRUE;
1663 case R_TILEGX_IMM8_X0_TLS_ADD:
1664 case R_TILEGX_IMM8_Y0_TLS_ADD:
1665 case R_TILEGX_IMM8_X1_TLS_ADD:
1666 case R_TILEGX_IMM8_Y1_TLS_ADD:
1672 sec->sec_flg0 = (has_tls_gd_or_ie && !has_tls_add);
1673 htab->disable_le_transition |= sec->sec_flg0;
1675 for (rel = relocs; rel < rel_end; rel++)
1677 unsigned int r_type;
1678 unsigned int r_symndx;
1679 struct elf_link_hash_entry *h;
1682 r_symndx = TILEGX_ELF_R_SYMNDX (htab, rel->r_info);
1683 r_type = TILEGX_ELF_R_TYPE (rel->r_info);
1685 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1687 /* xgettext:c-format */
1688 _bfd_error_handler (_("%pB: bad symbol index: %d"),
1693 if (r_symndx < symtab_hdr->sh_info)
1697 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1698 while (h->root.type == bfd_link_hash_indirect
1699 || h->root.type == bfd_link_hash_warning)
1700 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1703 r_type = tilegx_elf_tls_transition (info, r_type, h == NULL,
1707 case R_TILEGX_IMM16_X0_HW0_TLS_LE:
1708 case R_TILEGX_IMM16_X1_HW0_TLS_LE:
1709 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
1710 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
1711 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
1712 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
1713 if (!bfd_link_executable (info))
1714 goto r_tilegx_plt32;
1717 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
1718 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
1719 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
1720 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
1721 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
1722 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
1723 BFD_ASSERT (bfd_link_pic (info));
1724 tls_type = GOT_TLS_GD;
1725 goto have_got_reference;
1727 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
1728 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
1729 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
1730 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
1731 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
1732 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
1733 tls_type = GOT_TLS_IE;
1734 if (!bfd_link_executable (info))
1735 info->flags |= DF_STATIC_TLS;
1736 goto have_got_reference;
1738 case R_TILEGX_IMM16_X0_HW0_GOT:
1739 case R_TILEGX_IMM16_X1_HW0_GOT:
1740 case R_TILEGX_IMM16_X0_HW0_LAST_GOT:
1741 case R_TILEGX_IMM16_X1_HW0_LAST_GOT:
1742 case R_TILEGX_IMM16_X0_HW1_LAST_GOT:
1743 case R_TILEGX_IMM16_X1_HW1_LAST_GOT:
1744 tls_type = GOT_NORMAL;
1748 /* This symbol requires a global offset table entry. */
1754 h->got.refcount += 1;
1755 old_tls_type = tilegx_elf_hash_entry(h)->tls_type;
1759 bfd_signed_vma *local_got_refcounts;
1761 /* This is a global offset table entry for a local symbol. */
1762 local_got_refcounts = elf_local_got_refcounts (abfd);
1763 if (local_got_refcounts == NULL)
1767 size = symtab_hdr->sh_info;
1768 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1769 local_got_refcounts = ((bfd_signed_vma *)
1770 bfd_zalloc (abfd, size));
1771 if (local_got_refcounts == NULL)
1773 elf_local_got_refcounts (abfd) = local_got_refcounts;
1774 _bfd_tilegx_elf_local_got_tls_type (abfd)
1775 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1777 local_got_refcounts[r_symndx] += 1;
1778 old_tls_type = _bfd_tilegx_elf_local_got_tls_type (abfd) [r_symndx];
1781 /* If a TLS symbol is accessed using IE at least once,
1782 there is no point to use dynamic model for it. */
1783 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1784 && (old_tls_type != GOT_TLS_GD
1785 || tls_type != GOT_TLS_IE))
1787 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1788 tls_type = old_tls_type;
1792 /* xgettext:c-format */
1793 (_("%pB: `%s' accessed both as normal and thread local symbol"),
1794 abfd, h ? h->root.root.string : "<local>");
1799 if (old_tls_type != tls_type)
1802 tilegx_elf_hash_entry (h)->tls_type = tls_type;
1804 _bfd_tilegx_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1808 if (htab->elf.sgot == NULL)
1810 if (!tilegx_elf_create_got_section (htab->elf.dynobj, info))
1815 case R_TILEGX_TLS_GD_CALL:
1816 if (!bfd_link_executable (info))
1818 /* These are basically R_TILEGX_JUMPOFF_X1_PLT relocs
1819 against __tls_get_addr. */
1820 struct bfd_link_hash_entry *bh = NULL;
1821 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1822 "__tls_get_addr", 0,
1823 bfd_und_section_ptr, 0,
1827 h = (struct elf_link_hash_entry *) bh;
1833 case R_TILEGX_JUMPOFF_X1_PLT:
1834 case R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
1835 case R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
1836 case R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
1837 case R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
1838 case R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
1839 case R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
1840 case R_TILEGX_IMM16_X0_HW3_PLT_PCREL:
1841 case R_TILEGX_IMM16_X1_HW3_PLT_PCREL:
1842 case R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
1843 case R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
1844 case R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
1845 case R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
1846 case R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
1847 case R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
1848 /* This symbol requires a procedure linkage table entry. We
1849 actually build the entry in adjust_dynamic_symbol,
1850 because this might be a case of linking PIC code without
1851 linking in any dynamic objects, in which case we don't
1852 need to generate a procedure linkage table after all. */
1857 h->plt.refcount += 1;
1861 case R_TILEGX_64_PCREL:
1862 case R_TILEGX_32_PCREL:
1863 case R_TILEGX_16_PCREL:
1864 case R_TILEGX_8_PCREL:
1865 case R_TILEGX_IMM16_X0_HW0_PCREL:
1866 case R_TILEGX_IMM16_X1_HW0_PCREL:
1867 case R_TILEGX_IMM16_X0_HW1_PCREL:
1868 case R_TILEGX_IMM16_X1_HW1_PCREL:
1869 case R_TILEGX_IMM16_X0_HW2_PCREL:
1870 case R_TILEGX_IMM16_X1_HW2_PCREL:
1871 case R_TILEGX_IMM16_X0_HW3_PCREL:
1872 case R_TILEGX_IMM16_X1_HW3_PCREL:
1873 case R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
1874 case R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
1875 case R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
1876 case R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
1877 case R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
1878 case R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
1883 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1895 case R_TILEGX_HW0_LAST:
1896 case R_TILEGX_HW1_LAST:
1897 case R_TILEGX_HW2_LAST:
1899 case R_TILEGX_GLOB_DAT:
1900 case R_TILEGX_JMP_SLOT:
1901 case R_TILEGX_RELATIVE:
1902 case R_TILEGX_BROFF_X1:
1903 case R_TILEGX_JUMPOFF_X1:
1904 case R_TILEGX_IMM8_X0:
1905 case R_TILEGX_IMM8_Y0:
1906 case R_TILEGX_IMM8_X1:
1907 case R_TILEGX_IMM8_Y1:
1908 case R_TILEGX_DEST_IMM8_X1:
1909 case R_TILEGX_MT_IMM14_X1:
1910 case R_TILEGX_MF_IMM14_X1:
1911 case R_TILEGX_MMSTART_X0:
1912 case R_TILEGX_MMEND_X0:
1913 case R_TILEGX_SHAMT_X0:
1914 case R_TILEGX_SHAMT_X1:
1915 case R_TILEGX_SHAMT_Y0:
1916 case R_TILEGX_SHAMT_Y1:
1917 case R_TILEGX_IMM16_X0_HW0:
1918 case R_TILEGX_IMM16_X1_HW0:
1919 case R_TILEGX_IMM16_X0_HW1:
1920 case R_TILEGX_IMM16_X1_HW1:
1921 case R_TILEGX_IMM16_X0_HW2:
1922 case R_TILEGX_IMM16_X1_HW2:
1923 case R_TILEGX_IMM16_X0_HW3:
1924 case R_TILEGX_IMM16_X1_HW3:
1925 case R_TILEGX_IMM16_X0_HW0_LAST:
1926 case R_TILEGX_IMM16_X1_HW0_LAST:
1927 case R_TILEGX_IMM16_X0_HW1_LAST:
1928 case R_TILEGX_IMM16_X1_HW1_LAST:
1929 case R_TILEGX_IMM16_X0_HW2_LAST:
1930 case R_TILEGX_IMM16_X1_HW2_LAST:
1935 if (h != NULL && !bfd_link_pic (info))
1937 /* We may need a .plt entry if the function this reloc
1938 refers to is in a shared lib. */
1939 h->plt.refcount += 1;
1942 /* If we are creating a shared library, and this is a reloc
1943 against a global symbol, or a non PC relative reloc
1944 against a local symbol, then we need to copy the reloc
1945 into the shared library. However, if we are linking with
1946 -Bsymbolic, we do not need to copy a reloc against a
1947 global symbol which is defined in an object we are
1948 including in the link (i.e., DEF_REGULAR is set). At
1949 this point we have not seen all the input files, so it is
1950 possible that DEF_REGULAR is not set now but will be set
1951 later (it is never cleared). In case of a weak definition,
1952 DEF_REGULAR may be cleared later by a strong definition in
1953 a shared library. We account for that possibility below by
1954 storing information in the relocs_copied field of the hash
1955 table entry. A similar situation occurs when creating
1956 shared libraries and symbol visibility changes render the
1959 If on the other hand, we are creating an executable, we
1960 may need to keep relocations for symbols satisfied by a
1961 dynamic library if we manage to avoid copy relocs for the
1963 if ((bfd_link_pic (info)
1964 && (sec->flags & SEC_ALLOC) != 0
1965 && (! tilegx_elf_howto_table[r_type].pc_relative
1967 && (! info->symbolic
1968 || h->root.type == bfd_link_hash_defweak
1969 || !h->def_regular))))
1970 || (!bfd_link_pic (info)
1971 && (sec->flags & SEC_ALLOC) != 0
1973 && (h->root.type == bfd_link_hash_defweak
1974 || !h->def_regular)))
1976 struct elf_dyn_relocs *p;
1977 struct elf_dyn_relocs **head;
1979 /* When creating a shared object, we must copy these
1980 relocs into the output file. We create a reloc
1981 section in dynobj and make room for the reloc. */
1984 sreloc = _bfd_elf_make_dynamic_reloc_section
1985 (sec, htab->elf.dynobj, htab->word_align_power, abfd,
1992 /* If this is a global symbol, we count the number of
1993 relocations we need for this symbol. */
1996 &((struct tilegx_elf_link_hash_entry *) h)->dyn_relocs;
1999 /* Track dynamic relocs needed for local syms too.
2000 We really need local syms available to do this
2005 Elf_Internal_Sym *isym;
2007 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
2012 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
2016 vpp = &elf_section_data (s)->local_dynrel;
2017 head = (struct elf_dyn_relocs **) vpp;
2021 if (p == NULL || p->sec != sec)
2023 bfd_size_type amt = sizeof *p;
2024 p = ((struct elf_dyn_relocs *)
2025 bfd_alloc (htab->elf.dynobj, amt));
2036 if (tilegx_elf_howto_table[r_type].pc_relative)
2042 case R_TILEGX_GNU_VTINHERIT:
2043 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
2047 case R_TILEGX_GNU_VTENTRY:
2048 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
2062 tilegx_elf_gc_mark_hook (asection *sec,
2063 struct bfd_link_info *info,
2064 Elf_Internal_Rela *rel,
2065 struct elf_link_hash_entry *h,
2066 Elf_Internal_Sym *sym)
2070 switch (TILEGX_ELF_R_TYPE (rel->r_info))
2072 case R_TILEGX_GNU_VTINHERIT:
2073 case R_TILEGX_GNU_VTENTRY:
2078 /* FIXME: The test here, in check_relocs and in relocate_section
2079 dealing with TLS optimization, ought to be !bfd_link_executable (info). */
2080 if (bfd_link_pic (info))
2082 struct bfd_link_hash_entry *bh;
2084 switch (TILEGX_ELF_R_TYPE (rel->r_info))
2086 case R_TILEGX_TLS_GD_CALL:
2087 /* This reloc implicitly references __tls_get_addr. We know
2088 another reloc will reference the same symbol as the one
2089 on this reloc, so the real symbol and section will be
2090 gc marked when processing the other reloc. That lets
2091 us handle __tls_get_addr here. */
2093 if (! _bfd_generic_link_add_one_symbol (info, sec->owner,
2094 "__tls_get_addr", 0,
2095 bfd_und_section_ptr,
2099 h = (struct elf_link_hash_entry *) bh;
2100 BFD_ASSERT (h != NULL);
2102 if (h->is_weakalias)
2103 weakdef (h)->mark = 1;
2108 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
2111 /* Find dynamic relocs for H that apply to read-only sections. */
2114 readonly_dynrelocs (struct elf_link_hash_entry *h)
2116 struct elf_dyn_relocs *p;
2118 for (p = tilegx_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
2120 asection *s = p->sec->output_section;
2122 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2128 /* Adjust a symbol defined by a dynamic object and referenced by a
2129 regular object. The current definition is in some section of the
2130 dynamic object, but we're not including those sections. We have to
2131 change the definition to something the rest of the link can
2135 tilegx_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2136 struct elf_link_hash_entry *h)
2138 struct tilegx_elf_link_hash_table *htab;
2142 htab = tilegx_elf_hash_table (info);
2143 BFD_ASSERT (htab != NULL);
2145 dynobj = htab->elf.dynobj;
2147 /* Make sure we know what is going on here. */
2148 BFD_ASSERT (dynobj != NULL
2153 && !h->def_regular)));
2155 /* If this is a function, put it in the procedure linkage table. We
2156 will fill in the contents of the procedure linkage table later
2157 (although we could actually do it here). */
2158 if (h->type == STT_FUNC || h->needs_plt)
2160 if (h->plt.refcount <= 0
2161 || SYMBOL_CALLS_LOCAL (info, h)
2162 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2163 && h->root.type == bfd_link_hash_undefweak))
2165 /* This case can occur if we saw a R_TILEGX_JUMPOFF_X1_PLT
2166 reloc in an input file, but the symbol was never referred
2167 to by a dynamic object, or if all references were garbage
2168 collected. In such a case, we don't actually need to build
2169 a procedure linkage table, and we can just do a
2170 R_TILEGX_JUMPOFF_X1 relocation instead. */
2171 h->plt.offset = (bfd_vma) -1;
2178 h->plt.offset = (bfd_vma) -1;
2180 /* If this is a weak symbol, and there is a real definition, the
2181 processor independent code will have arranged for us to see the
2182 real definition first, and we can just use the same value. */
2183 if (h->is_weakalias)
2185 struct elf_link_hash_entry *def = weakdef (h);
2186 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2187 h->root.u.def.section = def->root.u.def.section;
2188 h->root.u.def.value = def->root.u.def.value;
2192 /* This is a reference to a symbol defined by a dynamic object which
2193 is not a function. */
2195 /* If we are creating a shared library, we must presume that the
2196 only references to the symbol are via the global offset table.
2197 For such cases we need not do anything here; the relocations will
2198 be handled correctly by relocate_section. */
2199 if (bfd_link_pic (info))
2202 /* If there are no references to this symbol that do not use the
2203 GOT, we don't need to generate a copy reloc. */
2204 if (!h->non_got_ref)
2207 /* If -z nocopyreloc was given, we won't generate them either. */
2208 if (info->nocopyreloc)
2214 /* If we don't find any dynamic relocs in read-only sections, then
2215 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2216 if (!readonly_dynrelocs (h))
2222 /* We must allocate the symbol in our .dynbss section, which will
2223 become part of the .bss section of the executable. There will be
2224 an entry for this symbol in the .dynsym section. The dynamic
2225 object will contain position independent code, so all references
2226 from the dynamic object to this symbol will go through the global
2227 offset table. The dynamic linker will use the .dynsym entry to
2228 determine the address it must put in the global offset table, so
2229 both the dynamic object and the regular object will refer to the
2230 same memory location for the variable. */
2232 /* We must generate a R_TILEGX_COPY reloc to tell the dynamic linker
2233 to copy the initial value out of the dynamic object and into the
2234 runtime process image. We need to remember the offset into the
2235 .rel.bss section we are going to use. */
2236 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2238 s = htab->elf.sdynrelro;
2239 srel = htab->elf.sreldynrelro;
2243 s = htab->elf.sdynbss;
2244 srel = htab->elf.srelbss;
2246 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2248 srel->size += TILEGX_ELF_RELA_BYTES (htab);
2252 return _bfd_elf_adjust_dynamic_copy (info, h, s);
2255 /* Allocate space in .plt, .got and associated reloc sections for
2259 allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
2261 struct bfd_link_info *info;
2262 struct tilegx_elf_link_hash_table *htab;
2263 struct tilegx_elf_link_hash_entry *eh;
2264 struct elf_dyn_relocs *p;
2266 if (h->root.type == bfd_link_hash_indirect)
2269 info = (struct bfd_link_info *) inf;
2270 htab = tilegx_elf_hash_table (info);
2271 BFD_ASSERT (htab != NULL);
2273 if (htab->elf.dynamic_sections_created
2274 && h->plt.refcount > 0)
2276 /* Make sure this symbol is output as a dynamic symbol.
2277 Undefined weak syms won't yet be marked as dynamic. */
2278 if (h->dynindx == -1
2279 && !h->forced_local)
2281 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2285 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
2287 asection *s = htab->elf.splt;
2289 /* Allocate room for the header and tail. */
2292 s->size = PLT_ENTRY_SIZE;
2295 h->plt.offset = s->size - PLT_ENTRY_SIZE + PLT_HEADER_SIZE;
2297 /* If this symbol is not defined in a regular file, and we are
2298 not generating a shared library, then set the symbol to this
2299 location in the .plt. This is required to make function
2300 pointers compare as equal between the normal executable and
2301 the shared library. */
2302 if (! bfd_link_pic (info)
2305 h->root.u.def.section = s;
2306 h->root.u.def.value = h->plt.offset;
2309 /* Make room for this entry. */
2310 s->size += PLT_ENTRY_SIZE;
2312 /* We also need to make an entry in the .got.plt section. */
2313 htab->elf.sgotplt->size += GOT_ENTRY_SIZE (htab);
2315 /* We also need to make an entry in the .rela.plt section. */
2316 htab->elf.srelplt->size += TILEGX_ELF_RELA_BYTES (htab);
2320 h->plt.offset = (bfd_vma) -1;
2326 h->plt.offset = (bfd_vma) -1;
2330 /* If a TLS_IE symbol is now local to the binary, make it a TLS_LE
2331 requiring no TLS entry. */
2332 if (h->got.refcount > 0
2333 && !htab->disable_le_transition
2334 && bfd_link_executable (info)
2336 && tilegx_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2337 h->got.offset = (bfd_vma) -1;
2338 else if (h->got.refcount > 0)
2342 int tls_type = tilegx_elf_hash_entry(h)->tls_type;
2344 /* Make sure this symbol is output as a dynamic symbol.
2345 Undefined weak syms won't yet be marked as dynamic. */
2346 if (h->dynindx == -1
2347 && !h->forced_local)
2349 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2354 h->got.offset = s->size;
2355 s->size += TILEGX_ELF_WORD_BYTES (htab);
2356 /* TLS_GD entries need 2 consecutive GOT slots. */
2357 if (tls_type == GOT_TLS_GD)
2358 s->size += TILEGX_ELF_WORD_BYTES (htab);
2359 dyn = htab->elf.dynamic_sections_created;
2360 /* TLS_IE needs one dynamic relocation,
2361 TLS_GD needs two if local symbol and two if global. */
2362 if (tls_type == GOT_TLS_GD || tls_type == GOT_TLS_IE)
2363 htab->elf.srelgot->size += 2 * TILEGX_ELF_RELA_BYTES (htab);
2364 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2365 bfd_link_pic (info),
2367 htab->elf.srelgot->size += TILEGX_ELF_RELA_BYTES (htab);
2370 h->got.offset = (bfd_vma) -1;
2372 eh = (struct tilegx_elf_link_hash_entry *) h;
2373 if (eh->dyn_relocs == NULL)
2376 /* In the shared -Bsymbolic case, discard space allocated for
2377 dynamic pc-relative relocs against symbols which turn out to be
2378 defined in regular objects. For the normal shared case, discard
2379 space for pc-relative relocs that have become local due to symbol
2380 visibility changes. */
2382 if (bfd_link_pic (info))
2384 if (SYMBOL_CALLS_LOCAL (info, h))
2386 struct elf_dyn_relocs **pp;
2388 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2390 p->count -= p->pc_count;
2399 /* Also discard relocs on undefined weak syms with non-default
2401 if (eh->dyn_relocs != NULL
2402 && h->root.type == bfd_link_hash_undefweak)
2404 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2405 || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
2406 eh->dyn_relocs = NULL;
2408 /* Make sure undefined weak symbols are output as a dynamic
2410 else if (h->dynindx == -1
2411 && !h->forced_local)
2413 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2420 /* For the non-shared case, discard space for relocs against
2421 symbols which turn out to need copy relocs or are not
2427 || (htab->elf.dynamic_sections_created
2428 && (h->root.type == bfd_link_hash_undefweak
2429 || h->root.type == bfd_link_hash_undefined))))
2431 /* Make sure this symbol is output as a dynamic symbol.
2432 Undefined weak syms won't yet be marked as dynamic. */
2433 if (h->dynindx == -1
2434 && !h->forced_local)
2436 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2440 /* If that succeeded, we know we'll be keeping all the
2442 if (h->dynindx != -1)
2446 eh->dyn_relocs = NULL;
2451 /* Finally, allocate space. */
2452 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2454 asection *sreloc = elf_section_data (p->sec)->sreloc;
2455 sreloc->size += p->count * TILEGX_ELF_RELA_BYTES (htab);
2461 /* Set DF_TEXTREL if we find any dynamic relocs that apply to
2462 read-only sections. */
2465 maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
2469 if (h->root.type == bfd_link_hash_indirect)
2472 sec = readonly_dynrelocs (h);
2475 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
2477 info->flags |= DF_TEXTREL;
2478 info->callbacks->minfo
2479 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
2480 sec->owner, h->root.root.string, sec);
2482 /* Not an error, just cut short the traversal. */
2488 /* Return true if the dynamic symbol for a given section should be
2489 omitted when creating a shared library. */
2492 tilegx_elf_omit_section_dynsym (bfd *output_bfd,
2493 struct bfd_link_info *info,
2496 /* We keep the .got section symbol so that explicit relocations
2497 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2498 can be turned into relocations against the .got symbol. */
2499 if (strcmp (p->name, ".got") == 0)
2502 return _bfd_elf_omit_section_dynsym_default (output_bfd, info, p);
2506 tilegx_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2507 struct bfd_link_info *info)
2509 struct tilegx_elf_link_hash_table *htab;
2514 htab = tilegx_elf_hash_table (info);
2515 BFD_ASSERT (htab != NULL);
2516 dynobj = htab->elf.dynobj;
2517 BFD_ASSERT (dynobj != NULL);
2519 if (elf_hash_table (info)->dynamic_sections_created)
2521 /* Set the contents of the .interp section to the interpreter. */
2522 if (bfd_link_executable (info) && !info->nointerp)
2524 s = bfd_get_linker_section (dynobj, ".interp");
2525 BFD_ASSERT (s != NULL);
2526 s->size = strlen (htab->dynamic_interpreter) + 1;
2527 s->contents = (unsigned char *) htab->dynamic_interpreter;
2531 /* Set up .got offsets for local syms, and space for local dynamic
2533 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2535 bfd_signed_vma *local_got;
2536 bfd_signed_vma *end_local_got;
2537 char *local_tls_type;
2538 bfd_size_type locsymcount;
2539 Elf_Internal_Shdr *symtab_hdr;
2542 if (! is_tilegx_elf (ibfd))
2545 for (s = ibfd->sections; s != NULL; s = s->next)
2547 struct elf_dyn_relocs *p;
2549 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2551 if (!bfd_is_abs_section (p->sec)
2552 && bfd_is_abs_section (p->sec->output_section))
2554 /* Input section has been discarded, either because
2555 it is a copy of a linkonce section or due to
2556 linker script /DISCARD/, so we'll be discarding
2559 else if (p->count != 0)
2561 srel = elf_section_data (p->sec)->sreloc;
2562 srel->size += p->count * TILEGX_ELF_RELA_BYTES (htab);
2563 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2565 info->flags |= DF_TEXTREL;
2567 info->callbacks->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
2568 p->sec->owner, p->sec);
2574 local_got = elf_local_got_refcounts (ibfd);
2578 symtab_hdr = &elf_symtab_hdr (ibfd);
2579 locsymcount = symtab_hdr->sh_info;
2580 end_local_got = local_got + locsymcount;
2581 local_tls_type = _bfd_tilegx_elf_local_got_tls_type (ibfd);
2583 srel = htab->elf.srelgot;
2584 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2588 *local_got = s->size;
2589 s->size += TILEGX_ELF_WORD_BYTES (htab);
2590 if (*local_tls_type == GOT_TLS_GD)
2591 s->size += TILEGX_ELF_WORD_BYTES (htab);
2592 if (bfd_link_pic (info)
2593 || *local_tls_type == GOT_TLS_GD
2594 || *local_tls_type == GOT_TLS_IE)
2595 srel->size += TILEGX_ELF_RELA_BYTES (htab);
2598 *local_got = (bfd_vma) -1;
2602 /* Allocate global sym .plt and .got entries, and space for global
2603 sym dynamic relocs. */
2604 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
2606 if (elf_hash_table (info)->dynamic_sections_created)
2608 /* If the .got section is more than 0x8000 bytes, we add
2609 0x8000 to the value of _GLOBAL_OFFSET_TABLE_, so that 16
2610 bit relocations have a greater chance of working. */
2611 if (htab->elf.sgot->size >= 0x8000
2612 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2613 elf_hash_table (info)->hgot->root.u.def.value = 0x8000;
2616 if (htab->elf.sgotplt)
2618 struct elf_link_hash_entry *got;
2619 got = elf_link_hash_lookup (elf_hash_table (info),
2620 "_GLOBAL_OFFSET_TABLE_",
2621 FALSE, FALSE, FALSE);
2623 /* Don't allocate .got.plt section if there are no GOT nor PLT
2624 entries and there is no refeence to _GLOBAL_OFFSET_TABLE_. */
2626 || !got->ref_regular_nonweak)
2627 && (htab->elf.sgotplt->size
2628 == (unsigned)GOTPLT_HEADER_SIZE (htab))
2629 && (htab->elf.splt == NULL
2630 || htab->elf.splt->size == 0)
2631 && (htab->elf.sgot == NULL
2632 || (htab->elf.sgot->size
2633 == get_elf_backend_data (output_bfd)->got_header_size)))
2634 htab->elf.sgotplt->size = 0;
2637 /* The check_relocs and adjust_dynamic_symbol entry points have
2638 determined the sizes of the various dynamic sections. Allocate
2640 for (s = dynobj->sections; s != NULL; s = s->next)
2642 if ((s->flags & SEC_LINKER_CREATED) == 0)
2645 if (s == htab->elf.splt
2646 || s == htab->elf.sgot
2647 || s == htab->elf.sgotplt
2648 || s == htab->elf.sdynbss
2649 || s == htab->elf.sdynrelro)
2651 /* Strip this section if we don't need it; see the
2654 else if (strncmp (s->name, ".rela", 5) == 0)
2658 /* We use the reloc_count field as a counter if we need
2659 to copy relocs into the output file. */
2665 /* It's not one of our sections. */
2671 /* If we don't need this section, strip it from the
2672 output file. This is mostly to handle .rela.bss and
2673 .rela.plt. We must create both sections in
2674 create_dynamic_sections, because they must be created
2675 before the linker maps input sections to output
2676 sections. The linker does that before
2677 adjust_dynamic_symbol is called, and it is that
2678 function which decides whether anything needs to go
2679 into these sections. */
2680 s->flags |= SEC_EXCLUDE;
2684 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2687 /* Allocate memory for the section contents. Zero the memory
2688 for the benefit of .rela.plt, which has 4 unused entries
2689 at the beginning, and we don't want garbage. */
2690 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2691 if (s->contents == NULL)
2695 if (elf_hash_table (info)->dynamic_sections_created)
2697 /* Add some entries to the .dynamic section. We fill in the
2698 values later, in tilegx_elf_finish_dynamic_sections, but we
2699 must add the entries now so that we get the correct size for
2700 the .dynamic section. The DT_DEBUG entry is filled in by the
2701 dynamic linker and used by the debugger. */
2702 #define add_dynamic_entry(TAG, VAL) \
2703 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2705 if (bfd_link_executable (info))
2707 if (!add_dynamic_entry (DT_DEBUG, 0))
2711 if (htab->elf.srelplt->size != 0)
2713 if (!add_dynamic_entry (DT_PLTGOT, 0)
2714 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2715 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2716 || !add_dynamic_entry (DT_JMPREL, 0))
2720 if (!add_dynamic_entry (DT_RELA, 0)
2721 || !add_dynamic_entry (DT_RELASZ, 0)
2722 || !add_dynamic_entry (DT_RELAENT, TILEGX_ELF_RELA_BYTES (htab)))
2725 /* If any dynamic relocs apply to a read-only section,
2726 then we need a DT_TEXTREL entry. */
2727 if ((info->flags & DF_TEXTREL) == 0)
2728 elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
2730 if (info->flags & DF_TEXTREL)
2732 if (!add_dynamic_entry (DT_TEXTREL, 0))
2736 #undef add_dynamic_entry
2741 /* Return the base VMA address which should be subtracted from real addresses
2742 when resolving @dtpoff relocation.
2743 This is PT_TLS segment p_vaddr. */
2746 dtpoff_base (struct bfd_link_info *info)
2748 /* If tls_sec is NULL, we should have signalled an error already. */
2749 if (elf_hash_table (info)->tls_sec == NULL)
2751 return elf_hash_table (info)->tls_sec->vma;
2754 /* Return the relocation value for @tpoff relocation. */
2757 tpoff (struct bfd_link_info *info, bfd_vma address)
2759 struct elf_link_hash_table *htab = elf_hash_table (info);
2761 /* If tls_sec is NULL, we should have signalled an error already. */
2762 if (htab->tls_sec == NULL)
2765 return (address - htab->tls_sec->vma);
2768 /* Copy SIZE bits from FROM to TO at address ADDR. */
2771 tilegx_copy_bits (bfd_byte *addr, int from, int to, int size)
2774 for (i = 0; i < size; i++)
2776 int from_byte = (from + i) / 8;
2777 int from_bit = (from + i) % 8;
2778 int to_byte = (to + i) / 8;
2779 int to_bit = (to + i) % 8;
2780 bfd_byte to_mask = 1 << to_bit;
2781 addr[to_byte] = (addr[to_byte] & ~to_mask)
2782 | ((addr[from_byte] >> from_bit << to_bit) & to_mask);
2786 /* Replace the MASK bits in ADDR with those in INSN, for the next
2787 TILEGX_BUNDLE_SIZE_IN_BYTES bytes. */
2790 tilegx_replace_insn (bfd_byte *addr, const bfd_byte *mask,
2791 const bfd_byte *insn)
2794 for (i = 0; i < TILEGX_BUNDLE_SIZE_IN_BYTES; i++)
2796 addr[i] = (addr[i] & ~mask[i]) | (insn[i] & mask[i]);
2800 /* Mask to extract the bits corresponding to an instruction in a
2801 specific pipe of a bundle. */
2802 static const bfd_byte insn_mask_X1[] = {
2803 0x00, 0x00, 0x00, 0x80, 0xff, 0xff, 0xff, 0x3f
2806 /* Mask to extract the bits corresponding to an instruction in a
2807 specific pipe of a bundle, minus the destination operand and the
2808 first source operand. */
2809 static const bfd_byte insn_mask_X0_no_dest_no_srca[] = {
2810 0x00, 0xf0, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00
2813 static const bfd_byte insn_mask_X1_no_dest_no_srca[] = {
2814 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0x3f
2817 static const bfd_byte insn_mask_Y0_no_dest_no_srca[] = {
2818 0x00, 0xf0, 0x0f, 0x78, 0x00, 0x00, 0x00, 0x00
2820 static const bfd_byte insn_mask_Y1_no_dest_no_srca[] = {
2821 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x07, 0x3c
2824 /* Mask to extract the bits corresponding to an instruction in a
2825 specific pipe of a bundle, minus the register operands. */
2826 static const bfd_byte insn_mask_X0_no_operand[] = {
2827 0x00, 0x00, 0xfc, 0x7f, 0x00, 0x00, 0x00, 0x00
2830 static const bfd_byte insn_mask_X1_no_operand[] = {
2831 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x3f
2834 static const bfd_byte insn_mask_Y0_no_operand[] = {
2835 0x00, 0x00, 0x0c, 0x78, 0x00, 0x00, 0x00, 0x00
2838 static const bfd_byte insn_mask_Y1_no_operand[] = {
2839 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x3c
2842 /* Various instructions synthesized to support tls references. */
2844 /* ld r0, r0 in the X1 pipe, used for tls ie. */
2845 static const bfd_byte insn_tls_ie_ld_X1[] = {
2846 0x00, 0x00, 0x00, 0x00, 0x00, 0xe8, 0x6a, 0x28
2849 /* ld4s r0, r0 in the X1 pipe, used for tls ie. */
2850 static const bfd_byte insn_tls_ie_ld4s_X1[] = {
2851 0x00, 0x00, 0x00, 0x00, 0x00, 0x98, 0x6a, 0x28
2854 /* add r0, r0, tp in various pipes, used for tls ie. */
2855 static const bfd_byte insn_tls_ie_add_X0X1[] = {
2856 0x00, 0x50, 0x0f, 0x50, 0x00, 0xa8, 0x07, 0x28
2858 static const bfd_byte insn_tls_ie_add_Y0Y1[] = {
2859 0x00, 0x50, 0x27, 0x2c, 0x00, 0xa8, 0x13, 0x9a
2862 /* addx r0, r0, tp in various pipes, used for tls ie. */
2863 static const bfd_byte insn_tls_ie_addx_X0X1[] = {
2864 0x00, 0x50, 0x0b, 0x50, 0x00, 0xa8, 0x05, 0x28
2866 static const bfd_byte insn_tls_ie_addx_Y0Y1[] = {
2867 0x00, 0x50, 0x03, 0x2c, 0x00, 0xa8, 0x01, 0x9a
2870 /* move r0, r0 in various pipes, used for tls gd. */
2871 static const bfd_byte insn_tls_gd_add_X0X1[] = {
2872 0x00, 0xf0, 0x07, 0x51, 0x00, 0xf8, 0x3b, 0x28
2874 static const bfd_byte insn_tls_gd_add_Y0Y1[] = {
2875 0x00, 0xf0, 0x0b, 0x54, 0x00, 0xf8, 0x05, 0xae
2878 static const bfd_byte *insn_move_X0X1 = insn_tls_gd_add_X0X1;
2879 static const bfd_byte *insn_move_Y0Y1 = insn_tls_gd_add_Y0Y1;
2881 static const bfd_byte *insn_add_X0X1 = insn_tls_ie_add_X0X1;
2882 static const bfd_byte *insn_add_Y0Y1 = insn_tls_ie_add_Y0Y1;
2884 static const bfd_byte *insn_addx_X0X1 = insn_tls_ie_addx_X0X1;
2885 static const bfd_byte *insn_addx_Y0Y1 = insn_tls_ie_addx_Y0Y1;
2887 /* Relocate an TILEGX ELF section.
2889 The RELOCATE_SECTION function is called by the new ELF backend linker
2890 to handle the relocations for a section.
2892 The relocs are always passed as Rela structures.
2894 This function is responsible for adjusting the section contents as
2895 necessary, and (if generating a relocatable output file) adjusting
2896 the reloc addend as necessary.
2898 This function does not have to worry about setting the reloc
2899 address or the reloc symbol index.
2901 LOCAL_SYMS is a pointer to the swapped in local symbols.
2903 LOCAL_SECTIONS is an array giving the section in the input file
2904 corresponding to the st_shndx field of each local symbol.
2906 The global hash table entry for the global symbols can be found
2907 via elf_sym_hashes (input_bfd).
2909 When generating relocatable output, this function must handle
2910 STB_LOCAL/STT_SECTION symbols specially. The output symbol is
2911 going to be the section symbol corresponding to the output
2912 section, which means that the addend must be adjusted
2916 tilegx_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
2917 bfd *input_bfd, asection *input_section,
2918 bfd_byte *contents, Elf_Internal_Rela *relocs,
2919 Elf_Internal_Sym *local_syms,
2920 asection **local_sections)
2922 struct tilegx_elf_link_hash_table *htab;
2923 Elf_Internal_Shdr *symtab_hdr;
2924 struct elf_link_hash_entry **sym_hashes;
2925 bfd_vma *local_got_offsets;
2928 Elf_Internal_Rela *rel;
2929 Elf_Internal_Rela *relend;
2932 htab = tilegx_elf_hash_table (info);
2933 BFD_ASSERT (htab != NULL);
2934 symtab_hdr = &elf_symtab_hdr (input_bfd);
2935 sym_hashes = elf_sym_hashes (input_bfd);
2936 local_got_offsets = elf_local_got_offsets (input_bfd);
2938 if (elf_hash_table (info)->hgot == NULL)
2941 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2943 sreloc = elf_section_data (input_section)->sreloc;
2946 num_relocs = input_section->reloc_count;
2947 relend = relocs + num_relocs;
2948 for (; rel < relend; rel++)
2950 int r_type, tls_type;
2951 bfd_boolean is_tls_iele, is_tls_le;
2952 reloc_howto_type *howto;
2953 unsigned long r_symndx;
2954 struct elf_link_hash_entry *h;
2955 Elf_Internal_Sym *sym;
2956 tilegx_create_func create_func;
2959 bfd_reloc_status_type r;
2962 bfd_boolean is_plt = FALSE;
2963 bfd_boolean resolved_to_zero;
2964 bfd_boolean unresolved_reloc;
2966 r_type = TILEGX_ELF_R_TYPE (rel->r_info);
2967 if (r_type == R_TILEGX_GNU_VTINHERIT
2968 || r_type == R_TILEGX_GNU_VTENTRY)
2971 if ((unsigned int)r_type >= ARRAY_SIZE (tilegx_elf_howto_table))
2972 return _bfd_unrecognized_reloc (input_bfd, input_section, r_type);
2974 howto = tilegx_elf_howto_table + r_type;
2976 /* This is a final link. */
2977 r_symndx = TILEGX_ELF_R_SYMNDX (htab, rel->r_info);
2981 unresolved_reloc = FALSE;
2982 if (r_symndx < symtab_hdr->sh_info)
2984 sym = local_syms + r_symndx;
2985 sec = local_sections[r_symndx];
2986 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2990 bfd_boolean warned ATTRIBUTE_UNUSED;
2991 bfd_boolean ignored ATTRIBUTE_UNUSED;
2993 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2994 r_symndx, symtab_hdr, sym_hashes,
2996 unresolved_reloc, warned, ignored);
2999 /* To avoid generating warning messages about truncated
3000 relocations, set the relocation's address to be the same as
3001 the start of this section. */
3002 if (input_section->output_section != NULL)
3003 relocation = input_section->output_section->vma;
3009 if (sec != NULL && discarded_section (sec))
3010 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
3011 rel, 1, relend, howto, 0, contents);
3013 if (bfd_link_relocatable (info))
3017 name = h->root.root.string;
3020 name = (bfd_elf_string_from_elf_section
3021 (input_bfd, symtab_hdr->sh_link, sym->st_name));
3022 if (name == NULL || *name == '\0')
3023 name = bfd_section_name (input_bfd, sec);
3028 case R_TILEGX_TLS_GD_CALL:
3029 case R_TILEGX_IMM8_X0_TLS_GD_ADD:
3030 case R_TILEGX_IMM8_Y0_TLS_GD_ADD:
3031 case R_TILEGX_IMM8_X1_TLS_GD_ADD:
3032 case R_TILEGX_IMM8_Y1_TLS_GD_ADD:
3033 case R_TILEGX_IMM8_X0_TLS_ADD:
3034 case R_TILEGX_IMM8_Y0_TLS_ADD:
3035 case R_TILEGX_IMM8_X1_TLS_ADD:
3036 case R_TILEGX_IMM8_Y1_TLS_ADD:
3037 tls_type = GOT_UNKNOWN;
3038 if (h == NULL && local_got_offsets)
3040 _bfd_tilegx_elf_local_got_tls_type (input_bfd) [r_symndx];
3042 tls_type = tilegx_elf_hash_entry(h)->tls_type;
3044 is_tls_iele = (bfd_link_executable (info) || tls_type == GOT_TLS_IE);
3045 is_tls_le = is_tls_iele && (!input_section->sec_flg0
3046 && bfd_link_executable (info)
3047 && (h == NULL || h->dynindx == -1));
3049 if (r_type == R_TILEGX_TLS_GD_CALL)
3054 tilegx_replace_insn (contents + rel->r_offset,
3055 insn_mask_X1, insn_move_X0X1);
3058 else if (is_tls_iele)
3061 if (ABI_64_P (output_bfd))
3062 tilegx_replace_insn (contents + rel->r_offset,
3063 insn_mask_X1, insn_tls_ie_ld_X1);
3065 tilegx_replace_insn (contents + rel->r_offset,
3066 insn_mask_X1, insn_tls_ie_ld4s_X1);
3071 h = (struct elf_link_hash_entry *)
3072 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3074 BFD_ASSERT (h != NULL);
3075 r_type = R_TILEGX_JUMPOFF_X1_PLT;
3076 howto = tilegx_elf_howto_table + r_type;
3078 else if (r_type == R_TILEGX_IMM8_X0_TLS_ADD
3079 || r_type == R_TILEGX_IMM8_X1_TLS_ADD
3080 || r_type == R_TILEGX_IMM8_Y0_TLS_ADD
3081 || r_type == R_TILEGX_IMM8_Y1_TLS_ADD)
3083 bfd_boolean is_pipe0 =
3084 (r_type == R_TILEGX_IMM8_X0_TLS_ADD
3085 || r_type == R_TILEGX_IMM8_Y0_TLS_ADD);
3086 bfd_boolean is_X0X1 =
3087 (r_type == R_TILEGX_IMM8_X0_TLS_ADD
3088 || r_type == R_TILEGX_IMM8_X1_TLS_ADD);
3089 int dest_begin = is_pipe0 ? 0 : 31;
3091 const bfd_byte *insn;
3092 const bfd_byte *mask = NULL;
3096 /* 1. copy dest operand into the first source operand.
3097 2. change the opcode to "move". */
3098 src_begin = is_pipe0 ? 6 : 37;
3099 insn = is_X0X1 ? insn_move_X0X1 : insn_move_Y0Y1;
3103 case R_TILEGX_IMM8_X0_TLS_ADD:
3104 mask = insn_mask_X0_no_dest_no_srca;
3106 case R_TILEGX_IMM8_X1_TLS_ADD:
3107 mask = insn_mask_X1_no_dest_no_srca;
3109 case R_TILEGX_IMM8_Y0_TLS_ADD:
3110 mask = insn_mask_Y0_no_dest_no_srca;
3112 case R_TILEGX_IMM8_Y1_TLS_ADD:
3113 mask = insn_mask_Y1_no_dest_no_srca;
3119 /* 1. copy dest operand into the second source operand.
3120 2. change the opcode to "add". */
3121 src_begin = is_pipe0 ? 12 : 43;
3122 if (ABI_64_P (output_bfd))
3123 insn = is_X0X1 ? insn_add_X0X1 : insn_add_Y0Y1;
3125 insn = is_X0X1 ? insn_addx_X0X1 : insn_addx_Y0Y1;
3129 case R_TILEGX_IMM8_X0_TLS_ADD:
3130 mask = insn_mask_X0_no_operand;
3132 case R_TILEGX_IMM8_X1_TLS_ADD:
3133 mask = insn_mask_X1_no_operand;
3135 case R_TILEGX_IMM8_Y0_TLS_ADD:
3136 mask = insn_mask_Y0_no_operand;
3138 case R_TILEGX_IMM8_Y1_TLS_ADD:
3139 mask = insn_mask_Y1_no_operand;
3144 tilegx_copy_bits (contents + rel->r_offset, dest_begin,
3146 tilegx_replace_insn (contents + rel->r_offset, mask, insn);
3152 const bfd_byte *mask = NULL;
3153 const bfd_byte *add_insn = NULL;
3154 bfd_boolean is_64bit = ABI_64_P (output_bfd);
3158 case R_TILEGX_IMM8_X0_TLS_GD_ADD:
3159 add_insn = is_tls_iele
3160 ? (is_64bit ? insn_tls_ie_add_X0X1 : insn_tls_ie_addx_X0X1)
3161 : insn_tls_gd_add_X0X1;
3162 mask = insn_mask_X0_no_dest_no_srca;
3164 case R_TILEGX_IMM8_X1_TLS_GD_ADD:
3165 add_insn = is_tls_iele
3166 ? (is_64bit ? insn_tls_ie_add_X0X1 : insn_tls_ie_addx_X0X1)
3167 : insn_tls_gd_add_X0X1;
3168 mask = insn_mask_X1_no_dest_no_srca;
3170 case R_TILEGX_IMM8_Y0_TLS_GD_ADD:
3171 add_insn = is_tls_iele
3172 ? (is_64bit ? insn_tls_ie_add_Y0Y1 : insn_tls_ie_addx_Y0Y1)
3173 : insn_tls_gd_add_Y0Y1;
3174 mask = insn_mask_Y0_no_dest_no_srca;
3176 case R_TILEGX_IMM8_Y1_TLS_GD_ADD:
3177 add_insn = is_tls_iele
3178 ? (is_64bit ? insn_tls_ie_add_Y0Y1 : insn_tls_ie_addx_Y0Y1)
3179 : insn_tls_gd_add_Y0Y1;
3180 mask = insn_mask_Y1_no_dest_no_srca;
3184 tilegx_replace_insn (contents + rel->r_offset, mask, add_insn);
3189 case R_TILEGX_TLS_IE_LOAD:
3190 if (!input_section->sec_flg0
3191 && bfd_link_executable (info)
3192 && (h == NULL || h->dynindx == -1))
3195 tilegx_replace_insn (contents + rel->r_offset,
3196 insn_mask_X1_no_dest_no_srca,
3202 if (ABI_64_P (output_bfd))
3203 tilegx_replace_insn (contents + rel->r_offset,
3204 insn_mask_X1_no_dest_no_srca,
3207 tilegx_replace_insn (contents + rel->r_offset,
3208 insn_mask_X1_no_dest_no_srca,
3209 insn_tls_ie_ld4s_X1);
3217 resolved_to_zero = (h != NULL
3218 && UNDEFWEAK_NO_DYNAMIC_RELOC (info, h));
3222 case R_TILEGX_IMM16_X0_HW0_GOT:
3223 case R_TILEGX_IMM16_X1_HW0_GOT:
3224 case R_TILEGX_IMM16_X0_HW0_LAST_GOT:
3225 case R_TILEGX_IMM16_X1_HW0_LAST_GOT:
3226 case R_TILEGX_IMM16_X0_HW1_LAST_GOT:
3227 case R_TILEGX_IMM16_X1_HW1_LAST_GOT:
3228 /* Relocation is to the entry for this symbol in the global
3230 if (htab->elf.sgot == NULL)
3237 off = h->got.offset;
3238 BFD_ASSERT (off != (bfd_vma) -1);
3239 dyn = elf_hash_table (info)->dynamic_sections_created;
3241 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3242 bfd_link_pic (info),
3244 || (bfd_link_pic (info)
3245 && SYMBOL_REFERENCES_LOCAL (info, h)))
3247 /* This is actually a static link, or it is a
3248 -Bsymbolic link and the symbol is defined
3249 locally, or the symbol was forced to be local
3250 because of a version file. We must initialize
3251 this entry in the global offset table. Since the
3252 offset must always be a multiple
3253 of 8 for 64-bit, we use the least significant bit
3254 to record whether we have initialized it already.
3256 When doing a dynamic link, we create a .rela.got
3257 relocation entry to initialize the value. This
3258 is done in the finish_dynamic_symbol routine. */
3263 TILEGX_ELF_PUT_WORD (htab, output_bfd, relocation,
3264 htab->elf.sgot->contents + off);
3269 unresolved_reloc = FALSE;
3273 BFD_ASSERT (local_got_offsets != NULL
3274 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3276 off = local_got_offsets[r_symndx];
3278 /* The offset must always be a multiple of 8 on 64-bit.
3279 We use the least significant bit to record
3280 whether we have already processed this entry. */
3285 if (bfd_link_pic (info))
3288 Elf_Internal_Rela outrel;
3290 /* We need to generate a R_TILEGX_RELATIVE reloc
3291 for the dynamic linker. */
3292 s = htab->elf.srelgot;
3293 BFD_ASSERT (s != NULL);
3295 outrel.r_offset = (htab->elf.sgot->output_section->vma
3296 + htab->elf.sgot->output_offset
3299 TILEGX_ELF_R_INFO (htab, NULL, 0, R_TILEGX_RELATIVE);
3300 outrel.r_addend = relocation;
3302 tilegx_elf_append_rela (output_bfd, s, &outrel);
3305 TILEGX_ELF_PUT_WORD (htab, output_bfd, relocation,
3306 htab->elf.sgot->contents + off);
3307 local_got_offsets[r_symndx] |= 1;
3310 relocation = off - got_base;
3313 case R_TILEGX_JUMPOFF_X1_PLT:
3314 case R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
3315 case R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
3316 case R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
3317 case R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
3318 case R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
3319 case R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
3320 case R_TILEGX_IMM16_X0_HW3_PLT_PCREL:
3321 case R_TILEGX_IMM16_X1_HW3_PLT_PCREL:
3322 case R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
3323 case R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
3324 case R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
3325 case R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
3326 case R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
3327 case R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
3328 /* Relocation is to the entry for this symbol in the
3329 procedure linkage table. */
3330 BFD_ASSERT (h != NULL);
3332 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3334 /* We didn't make a PLT entry for this symbol. This
3335 happens when statically linking PIC code, or when
3336 using -Bsymbolic. */
3340 relocation = (htab->elf.splt->output_section->vma
3341 + htab->elf.splt->output_offset
3343 unresolved_reloc = FALSE;
3346 case R_TILEGX_64_PCREL:
3347 case R_TILEGX_32_PCREL:
3348 case R_TILEGX_16_PCREL:
3349 case R_TILEGX_8_PCREL:
3350 case R_TILEGX_IMM16_X0_HW0_PCREL:
3351 case R_TILEGX_IMM16_X1_HW0_PCREL:
3352 case R_TILEGX_IMM16_X0_HW1_PCREL:
3353 case R_TILEGX_IMM16_X1_HW1_PCREL:
3354 case R_TILEGX_IMM16_X0_HW2_PCREL:
3355 case R_TILEGX_IMM16_X1_HW2_PCREL:
3356 case R_TILEGX_IMM16_X0_HW3_PCREL:
3357 case R_TILEGX_IMM16_X1_HW3_PCREL:
3358 case R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
3359 case R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
3360 case R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
3361 case R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
3362 case R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
3363 case R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
3365 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3376 case R_TILEGX_HW0_LAST:
3377 case R_TILEGX_HW1_LAST:
3378 case R_TILEGX_HW2_LAST:
3380 case R_TILEGX_GLOB_DAT:
3381 case R_TILEGX_JMP_SLOT:
3382 case R_TILEGX_RELATIVE:
3383 case R_TILEGX_BROFF_X1:
3384 case R_TILEGX_JUMPOFF_X1:
3385 case R_TILEGX_IMM8_X0:
3386 case R_TILEGX_IMM8_Y0:
3387 case R_TILEGX_IMM8_X1:
3388 case R_TILEGX_IMM8_Y1:
3389 case R_TILEGX_DEST_IMM8_X1:
3390 case R_TILEGX_MT_IMM14_X1:
3391 case R_TILEGX_MF_IMM14_X1:
3392 case R_TILEGX_MMSTART_X0:
3393 case R_TILEGX_MMEND_X0:
3394 case R_TILEGX_SHAMT_X0:
3395 case R_TILEGX_SHAMT_X1:
3396 case R_TILEGX_SHAMT_Y0:
3397 case R_TILEGX_SHAMT_Y1:
3398 case R_TILEGX_IMM16_X0_HW0:
3399 case R_TILEGX_IMM16_X1_HW0:
3400 case R_TILEGX_IMM16_X0_HW1:
3401 case R_TILEGX_IMM16_X1_HW1:
3402 case R_TILEGX_IMM16_X0_HW2:
3403 case R_TILEGX_IMM16_X1_HW2:
3404 case R_TILEGX_IMM16_X0_HW3:
3405 case R_TILEGX_IMM16_X1_HW3:
3406 case R_TILEGX_IMM16_X0_HW0_LAST:
3407 case R_TILEGX_IMM16_X1_HW0_LAST:
3408 case R_TILEGX_IMM16_X0_HW1_LAST:
3409 case R_TILEGX_IMM16_X1_HW1_LAST:
3410 case R_TILEGX_IMM16_X0_HW2_LAST:
3411 case R_TILEGX_IMM16_X1_HW2_LAST:
3412 if ((input_section->flags & SEC_ALLOC) == 0)
3415 if ((bfd_link_pic (info)
3417 || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3418 && !resolved_to_zero)
3419 || h->root.type != bfd_link_hash_undefweak)
3420 && (! howto->pc_relative
3421 || !SYMBOL_CALLS_LOCAL (info, h)))
3422 || (!bfd_link_pic (info)
3428 || h->root.type == bfd_link_hash_undefweak
3429 || h->root.type == bfd_link_hash_undefined)))
3431 Elf_Internal_Rela outrel;
3432 bfd_boolean skip, relocate = FALSE;
3434 /* When generating a shared object, these relocations
3435 are copied into the output file to be resolved at run
3438 BFD_ASSERT (sreloc != NULL);
3443 _bfd_elf_section_offset (output_bfd, info, input_section,
3445 if (outrel.r_offset == (bfd_vma) -1)
3447 else if (outrel.r_offset == (bfd_vma) -2)
3448 skip = TRUE, relocate = TRUE;
3449 outrel.r_offset += (input_section->output_section->vma
3450 + input_section->output_offset);
3454 case R_TILEGX_64_PCREL:
3455 case R_TILEGX_32_PCREL:
3456 case R_TILEGX_16_PCREL:
3457 case R_TILEGX_8_PCREL:
3458 /* If the symbol is not dynamic, we should not keep
3459 a dynamic relocation. But an .rela.* slot has been
3460 allocated for it, output R_TILEGX_NONE.
3461 FIXME: Add code tracking needed dynamic relocs as
3463 if (h->dynindx == -1)
3464 skip = TRUE, relocate = TRUE;
3469 memset (&outrel, 0, sizeof outrel);
3470 /* h->dynindx may be -1 if the symbol was marked to
3472 else if (h != NULL &&
3475 || !bfd_link_pic (info)
3476 || !SYMBOLIC_BIND (info, h)
3477 || !h->def_regular))
3479 BFD_ASSERT (h->dynindx != -1);
3480 outrel.r_info = TILEGX_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3481 outrel.r_addend = rel->r_addend;
3485 if (r_type == R_TILEGX_32 || r_type == R_TILEGX_64)
3487 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0,
3489 outrel.r_addend = relocation + rel->r_addend;
3495 outrel.r_addend = relocation + rel->r_addend;
3498 sec = htab->elf.splt;
3500 if (bfd_is_abs_section (sec))
3502 else if (sec == NULL || sec->owner == NULL)
3504 bfd_set_error (bfd_error_bad_value);
3511 /* We are turning this relocation into one
3512 against a section symbol. It would be
3513 proper to subtract the symbol's value,
3514 osec->vma, from the emitted reloc addend,
3515 but ld.so expects buggy relocs. */
3516 osec = sec->output_section;
3517 indx = elf_section_data (osec)->dynindx;
3521 osec = htab->elf.text_index_section;
3522 indx = elf_section_data (osec)->dynindx;
3525 /* FIXME: we really should be able to link non-pic
3526 shared libraries. */
3531 (_("%pB: probably compiled without -fPIC?"),
3533 bfd_set_error (bfd_error_bad_value);
3538 outrel.r_info = TILEGX_ELF_R_INFO (htab, rel, indx,
3543 tilegx_elf_append_rela (output_bfd, sreloc, &outrel);
3545 /* This reloc will be computed at runtime, so there's no
3546 need to do anything now. */
3552 case R_TILEGX_IMM16_X0_HW0_TLS_LE:
3553 case R_TILEGX_IMM16_X1_HW0_TLS_LE:
3554 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
3555 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
3556 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
3557 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
3558 if (!bfd_link_executable (info))
3560 Elf_Internal_Rela outrel;
3563 BFD_ASSERT (sreloc != NULL);
3566 _bfd_elf_section_offset (output_bfd, info, input_section,
3568 if (outrel.r_offset == (bfd_vma) -1)
3570 else if (outrel.r_offset == (bfd_vma) -2)
3572 outrel.r_offset += (input_section->output_section->vma
3573 + input_section->output_offset);
3575 memset (&outrel, 0, sizeof outrel);
3578 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0, r_type);
3579 outrel.r_addend = relocation - dtpoff_base (info)
3583 tilegx_elf_append_rela (output_bfd, sreloc, &outrel);
3586 relocation = tpoff (info, relocation);
3589 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
3590 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
3591 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
3592 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
3593 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
3594 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
3595 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
3596 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
3597 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
3598 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
3599 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
3600 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
3601 r_type = tilegx_elf_tls_transition (info, r_type, h == NULL,
3602 input_section->sec_flg0);
3603 tls_type = GOT_UNKNOWN;
3604 if (h == NULL && local_got_offsets)
3606 _bfd_tilegx_elf_local_got_tls_type (input_bfd) [r_symndx];
3609 tls_type = tilegx_elf_hash_entry(h)->tls_type;
3610 if (bfd_link_executable (info)
3612 && tls_type == GOT_TLS_IE)
3613 r_type = (!input_section->sec_flg0
3614 ? tilegx_tls_translate_to_le (r_type)
3615 : tilegx_tls_translate_to_ie (r_type));
3618 if (tls_type == GOT_TLS_IE)
3619 r_type = tilegx_tls_translate_to_ie (r_type);
3621 if (r_type == R_TILEGX_IMM16_X0_HW0_TLS_LE
3622 || r_type == R_TILEGX_IMM16_X1_HW0_TLS_LE
3623 || r_type == R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE
3624 || r_type == R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE
3625 || r_type == R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE
3626 || r_type == R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE)
3628 relocation = tpoff (info, relocation);
3634 off = h->got.offset;
3639 BFD_ASSERT (local_got_offsets != NULL);
3640 off = local_got_offsets[r_symndx];
3641 local_got_offsets[r_symndx] |= 1;
3644 if (htab->elf.sgot == NULL)
3651 Elf_Internal_Rela outrel;
3653 bfd_boolean need_relocs = FALSE;
3655 if (htab->elf.srelgot == NULL)
3661 dyn = htab->elf.dynamic_sections_created;
3663 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3664 bfd_link_pic (info),
3666 && (!bfd_link_pic (info)
3667 || !SYMBOL_REFERENCES_LOCAL (info, h)))
3673 /* The GOT entries have not been initialized yet. Do it
3674 now, and emit any relocations. */
3675 if ((bfd_link_pic (info) || indx != 0)
3677 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3678 || h->root.type != bfd_link_hash_undefweak))
3683 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
3684 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
3685 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
3686 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
3687 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
3688 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
3690 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3691 htab->elf.sgot->contents + off);
3692 outrel.r_offset = (htab->elf.sgot->output_section->vma
3693 + htab->elf.sgot->output_offset + off);
3694 outrel.r_addend = 0;
3696 outrel.r_addend = relocation - dtpoff_base (info);
3697 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
3698 TILEGX_ELF_TPOFF_RELOC (htab));
3699 tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3701 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3702 tpoff (info, relocation),
3703 htab->elf.sgot->contents + off);
3707 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
3708 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
3709 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
3710 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
3711 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
3712 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
3714 outrel.r_offset = (htab->elf.sgot->output_section->vma
3715 + htab->elf.sgot->output_offset + off);
3716 outrel.r_addend = 0;
3717 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
3718 TILEGX_ELF_DTPMOD_RELOC (htab));
3719 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3720 htab->elf.sgot->contents + off);
3721 tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3724 BFD_ASSERT (! unresolved_reloc);
3725 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3726 relocation - dtpoff_base (info),
3727 (htab->elf.sgot->contents + off +
3728 TILEGX_ELF_WORD_BYTES (htab)));
3732 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3733 (htab->elf.sgot->contents + off +
3734 TILEGX_ELF_WORD_BYTES (htab)));
3735 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
3736 TILEGX_ELF_DTPOFF_RELOC (htab));
3737 outrel.r_offset += TILEGX_ELF_WORD_BYTES (htab);
3738 tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3743 /* If we are not emitting relocations for a
3744 general dynamic reference, then we must be in a
3745 static link or an executable link with the
3746 symbol binding locally. Mark it as belonging
3747 to module 1, the executable. */
3748 TILEGX_ELF_PUT_WORD (htab, output_bfd, 1,
3749 htab->elf.sgot->contents + off );
3750 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3751 relocation - dtpoff_base (info),
3752 htab->elf.sgot->contents + off +
3753 TILEGX_ELF_WORD_BYTES (htab));
3759 if (off >= (bfd_vma) -2)
3762 relocation = off - got_base;
3763 unresolved_reloc = FALSE;
3764 howto = tilegx_elf_howto_table + r_type;
3771 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3772 because such sections are not SEC_ALLOC and thus ld.so will
3773 not process them. */
3774 if (unresolved_reloc
3775 && !((input_section->flags & SEC_DEBUGGING) != 0
3777 && _bfd_elf_section_offset (output_bfd, info, input_section,
3778 rel->r_offset) != (bfd_vma) -1)
3780 /* xgettext:c-format */
3781 (_("%pB(%pA+%#" PRIx64 "): "
3782 "unresolvable %s relocation against symbol `%s'"),
3785 (uint64_t) rel->r_offset,
3787 h->root.root.string);
3789 r = bfd_reloc_continue;
3791 /* Get the operand creation function, if any. */
3792 create_func = reloc_to_create_func[r_type];
3793 if (create_func == NULL)
3795 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3796 contents, rel->r_offset,
3797 relocation, rel->r_addend);
3801 if (howto->pc_relative)
3804 input_section->output_section->vma + input_section->output_offset;
3805 if (howto->pcrel_offset)
3806 relocation -= rel->r_offset;
3811 /* Add the relocation addend if any to the final target value */
3812 relocation += rel->r_addend;
3814 /* Do basic range checking */
3815 r = bfd_check_overflow (howto->complain_on_overflow,
3818 TILEGX_ELF_WORD_BYTES (htab) * 8,
3822 * Write the relocated value out into the raw section data.
3823 * Don't put a relocation out in the .rela section.
3825 tilegx_bundle_bits mask = create_func(-1);
3826 tilegx_bundle_bits value = create_func(relocation >> howto->rightshift);
3828 /* Only touch bytes while the mask is not 0, so we
3829 don't write to out of bounds memory if this is actually
3830 a 16-bit switch instruction. */
3831 for (data = contents + rel->r_offset; mask != 0; data++)
3833 bfd_byte byte_mask = (bfd_byte)mask;
3834 *data = (*data & ~byte_mask) | ((bfd_byte)value & byte_mask);
3840 if (r != bfd_reloc_ok)
3842 const char *msg = NULL;
3846 case bfd_reloc_overflow:
3847 (*info->callbacks->reloc_overflow)
3848 (info, (h ? &h->root : NULL), name, howto->name,
3849 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
3852 case bfd_reloc_undefined:
3853 (*info->callbacks->undefined_symbol)
3854 (info, name, input_bfd, input_section, rel->r_offset, TRUE);
3857 case bfd_reloc_outofrange:
3858 msg = _("internal error: out of range error");
3861 case bfd_reloc_notsupported:
3862 msg = _("internal error: unsupported relocation error");
3865 case bfd_reloc_dangerous:
3866 msg = _("internal error: dangerous relocation");
3870 msg = _("internal error: unknown error");
3875 (*info->callbacks->warning) (info, msg, name, input_bfd,
3876 input_section, rel->r_offset);
3883 /* Finish up dynamic symbol handling. We set the contents of various
3884 dynamic sections here. */
3887 tilegx_elf_finish_dynamic_symbol (bfd *output_bfd,
3888 struct bfd_link_info *info,
3889 struct elf_link_hash_entry *h,
3890 Elf_Internal_Sym *sym)
3892 struct tilegx_elf_link_hash_table *htab;
3894 htab = tilegx_elf_hash_table (info);
3895 BFD_ASSERT (htab != NULL);
3897 if (h->plt.offset != (bfd_vma) -1)
3902 Elf_Internal_Rela rela;
3905 const struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
3910 /* This symbol has an entry in the PLT. Set it up. */
3912 BFD_ASSERT (h->dynindx != -1);
3914 splt = htab->elf.splt;
3915 srela = htab->elf.srelplt;
3916 sgotplt = htab->elf.sgotplt;
3918 if (splt == NULL || srela == NULL)
3921 /* Fill in the entry in the procedure linkage table. */
3922 rela_index = tilegx_plt_entry_build (output_bfd, htab, splt, sgotplt,
3923 h->plt.offset, &r_offset);
3925 /* Fill in the entry in the global offset table, which initially points
3926 to the beginning of the plt. */
3927 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3928 splt->output_section->vma + splt->output_offset,
3929 sgotplt->contents + r_offset);
3931 /* Fill in the entry in the .rela.plt section. */
3932 rela.r_offset = (sgotplt->output_section->vma
3933 + sgotplt->output_offset
3936 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_JMP_SLOT);
3938 loc = srela->contents + rela_index * TILEGX_ELF_RELA_BYTES (htab);
3939 bed->s->swap_reloca_out (output_bfd, &rela, loc);
3941 if (!h->def_regular)
3943 /* Mark the symbol as undefined, rather than as defined in
3944 the .plt section. Leave the value alone. */
3945 sym->st_shndx = SHN_UNDEF;
3946 /* If the symbol is weak, we do need to clear the value.
3947 Otherwise, the PLT entry would provide a definition for
3948 the symbol even if the symbol wasn't defined anywhere,
3949 and so the symbol would never be NULL. */
3950 if (!h->ref_regular_nonweak)
3955 if (h->got.offset != (bfd_vma) -1
3956 && tilegx_elf_hash_entry(h)->tls_type != GOT_TLS_GD
3957 && tilegx_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
3961 Elf_Internal_Rela rela;
3963 /* This symbol has an entry in the GOT. Set it up. */
3965 sgot = htab->elf.sgot;
3966 srela = htab->elf.srelgot;
3967 BFD_ASSERT (sgot != NULL && srela != NULL);
3969 rela.r_offset = (sgot->output_section->vma
3970 + sgot->output_offset
3971 + (h->got.offset &~ (bfd_vma) 1));
3973 /* If this is a -Bsymbolic link, and the symbol is defined
3974 locally, we just want to emit a RELATIVE reloc. Likewise if
3975 the symbol was forced to be local because of a version file.
3976 The entry in the global offset table will already have been
3977 initialized in the relocate_section function. */
3978 if (bfd_link_pic (info)
3979 && (info->symbolic || h->dynindx == -1)
3982 asection *sec = h->root.u.def.section;
3983 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0, R_TILEGX_RELATIVE);
3984 rela.r_addend = (h->root.u.def.value
3985 + sec->output_section->vma
3986 + sec->output_offset);
3990 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_GLOB_DAT);
3994 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3995 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
3996 tilegx_elf_append_rela (output_bfd, srela, &rela);
4002 Elf_Internal_Rela rela;
4004 /* This symbols needs a copy reloc. Set it up. */
4005 BFD_ASSERT (h->dynindx != -1);
4007 if (h->root.u.def.section == htab->elf.sdynrelro)
4008 s = htab->elf.sreldynrelro;
4010 s = htab->elf.srelbss;
4011 BFD_ASSERT (s != NULL);
4013 rela.r_offset = (h->root.u.def.value
4014 + h->root.u.def.section->output_section->vma
4015 + h->root.u.def.section->output_offset);
4016 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_COPY);
4018 tilegx_elf_append_rela (output_bfd, s, &rela);
4021 /* Mark some specially defined symbols as absolute. */
4022 if (h == htab->elf.hdynamic
4023 || (h == htab->elf.hgot || h == htab->elf.hplt))
4024 sym->st_shndx = SHN_ABS;
4029 /* Finish up the dynamic sections. */
4032 tilegx_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4033 bfd *dynobj, asection *sdyn,
4034 asection *splt ATTRIBUTE_UNUSED)
4036 struct tilegx_elf_link_hash_table *htab;
4037 const struct elf_backend_data *bed;
4038 bfd_byte *dyncon, *dynconend;
4041 htab = tilegx_elf_hash_table (info);
4042 BFD_ASSERT (htab != NULL);
4043 bed = get_elf_backend_data (output_bfd);
4044 dynsize = bed->s->sizeof_dyn;
4045 dynconend = sdyn->contents + sdyn->size;
4047 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4049 Elf_Internal_Dyn dyn;
4052 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4057 s = htab->elf.sgotplt;
4058 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4061 s = htab->elf.srelplt;
4062 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4065 s = htab->elf.srelplt;
4066 dyn.d_un.d_val = s->size;
4072 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4078 tilegx_elf_finish_dynamic_sections (bfd *output_bfd,
4079 struct bfd_link_info *info)
4083 struct tilegx_elf_link_hash_table *htab;
4086 htab = tilegx_elf_hash_table (info);
4087 BFD_ASSERT (htab != NULL);
4088 dynobj = htab->elf.dynobj;
4090 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4092 if (elf_hash_table (info)->dynamic_sections_created)
4097 splt = htab->elf.splt;
4098 BFD_ASSERT (splt != NULL && sdyn != NULL);
4100 ret = tilegx_finish_dyn (output_bfd, info, dynobj, sdyn, splt);
4105 /* Fill in the head and tail entries in the procedure linkage table. */
4108 memcpy (splt->contents,
4109 ABI_64_P (output_bfd) ?
4110 tilegx64_plt0_entry : tilegx32_plt0_entry,
4113 memcpy (splt->contents + splt->size
4114 - PLT_ENTRY_SIZE + PLT_HEADER_SIZE,
4115 ABI_64_P (output_bfd) ?
4116 tilegx64_plt_tail_entry : tilegx32_plt_tail_entry,
4118 /* Add padding so that the plt section is a multiple of its
4120 pad_size = PLT_ENTRY_SIZE - PLT_HEADER_SIZE - PLT_TAIL_SIZE;
4121 memset (splt->contents + splt->size - pad_size, 0, pad_size);
4123 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4128 if (htab->elf.sgotplt)
4130 if (bfd_is_abs_section (htab->elf.sgotplt->output_section))
4133 (_("discarded output section: `%pA'"), htab->elf.sgotplt);
4137 if (htab->elf.sgotplt->size > 0)
4139 /* Write the first two entries in .got.plt, needed for the dynamic
4141 TILEGX_ELF_PUT_WORD (htab, output_bfd, (bfd_vma) -1,
4142 htab->elf.sgotplt->contents);
4143 TILEGX_ELF_PUT_WORD (htab, output_bfd, (bfd_vma) 0,
4144 htab->elf.sgotplt->contents
4145 + GOT_ENTRY_SIZE (htab));
4147 elf_section_data (htab->elf.sgotplt->output_section)->this_hdr.sh_entsize =
4148 GOT_ENTRY_SIZE (htab);
4154 if (htab->elf.sgot->size > 0)
4156 /* Set the first entry in the global offset table to the address of
4157 the dynamic section. */
4158 bfd_vma val = (sdyn ?
4159 sdyn->output_section->vma + sdyn->output_offset :
4161 TILEGX_ELF_PUT_WORD (htab, output_bfd, val,
4162 htab->elf.sgot->contents);
4164 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4165 GOT_ENTRY_SIZE (htab);
4174 /* Return address for Ith PLT stub in section PLT, for relocation REL
4175 or (bfd_vma) -1 if it should not be included. */
4178 tilegx_elf_plt_sym_val (bfd_vma i, const asection *plt,
4179 const arelent *rel ATTRIBUTE_UNUSED)
4181 return plt->vma + PLT_HEADER_SIZE + i * PLT_ENTRY_SIZE;
4184 enum elf_reloc_type_class
4185 tilegx_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
4186 const asection *rel_sec ATTRIBUTE_UNUSED,
4187 const Elf_Internal_Rela *rela)
4189 switch ((int) TILEGX_ELF_R_TYPE (rela->r_info))
4191 case R_TILEGX_RELATIVE:
4192 return reloc_class_relative;
4193 case R_TILEGX_JMP_SLOT:
4194 return reloc_class_plt;
4196 return reloc_class_copy;
4198 return reloc_class_normal;
4203 tilegx_additional_program_headers (bfd *abfd,
4204 struct bfd_link_info *info ATTRIBUTE_UNUSED)
4206 /* Each .intrpt section specified by the user adds another PT_LOAD
4207 header since the sections are discontiguous. */
4208 static const char intrpt_sections[4][9] =
4210 ".intrpt0", ".intrpt1", ".intrpt2", ".intrpt3"
4215 for (i = 0; i < 4; i++)
4217 asection *sec = bfd_get_section_by_name (abfd, intrpt_sections[i]);
4218 if (sec != NULL && (sec->flags & SEC_LOAD) != 0)
4222 /* Add four "padding" headers in to leave room in case a custom linker
4223 script does something fancy. Otherwise ld complains that it ran
4224 out of program headers and refuses to link. */
4232 _bfd_tilegx_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
4234 bfd *obfd = info->output_bfd;
4235 const char *targ1 = bfd_get_target (ibfd);
4236 const char *targ2 = bfd_get_target (obfd);
4238 if (strcmp (targ1, targ2) != 0)
4241 /* xgettext:c-format */
4242 (_("%pB: cannot link together %s and %s objects"),
4243 ibfd, targ1, targ2);
4244 bfd_set_error (bfd_error_bad_value);