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,
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);
911 /* xgettext:c-format */
912 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
914 bfd_set_error (bfd_error_bad_value);
919 tilegx_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
925 i < (sizeof (tilegx_elf_howto_table)
926 / sizeof (tilegx_elf_howto_table[0]));
928 if (tilegx_elf_howto_table[i].name != NULL
929 && strcasecmp (tilegx_elf_howto_table[i].name, r_name) == 0)
930 return &tilegx_elf_howto_table[i];
936 tilegx_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED,
938 Elf_Internal_Rela *dst)
940 unsigned int r_type = TILEGX_ELF_R_TYPE (dst->r_info);
942 if (r_type <= (unsigned int) R_TILEGX_IMM8_Y1_TLS_ADD)
943 cache_ptr->howto = &tilegx_elf_howto_table [r_type];
944 else if (r_type - R_TILEGX_GNU_VTINHERIT
945 <= ((unsigned int) R_TILEGX_GNU_VTENTRY
946 - (unsigned int) R_TILEGX_GNU_VTINHERIT))
948 = &tilegx_elf_howto_table2 [r_type - R_TILEGX_GNU_VTINHERIT];
951 /* xgettext:c-format */
952 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
954 bfd_set_error (bfd_error_bad_value);
960 typedef tilegx_bundle_bits (*tilegx_create_func)(int);
962 static const tilegx_create_func reloc_to_create_func[] =
964 /* The first twenty relocation types don't correspond to operands */
986 /* The remaining relocations are used for immediate operands */
1074 tilegx_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
1076 const struct elf_backend_data *bed;
1079 bed = get_elf_backend_data (abfd);
1080 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
1081 bed->s->swap_reloca_out (abfd, rel, loc);
1086 /* The procedure linkage table starts with the following header:
1092 info 10 ## SP not offset, return PC in LR
1095 Subsequent entries are the following, jumping to the header at the end:
1098 moveli r28, <_GLOBAL_OFFSET_TABLE_ - 1f + MY_GOT_OFFSET>
1103 moveli r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
1104 shl16insli r28, r28, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET>
1108 shl16insli r27, r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
1113 info 10 ## SP not offset, return PC in LR
1116 shl16insli r29, zero, MY_PLT_INDEX
1120 This code sequence lets the code at at the start of the PLT determine
1121 which PLT entry was executed by examining 'r29'.
1123 Note that MY_PLT_INDEX skips over the header entries, so the first
1124 actual jump table entry has index zero.
1126 If the offset fits in 16 bits,
1131 addli r28, r26, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET>
1132 moveli r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
1135 shl16insli r29, zero, MY_PLT_INDEX
1142 info 10 ## SP not offset, return PC in LR
1144 For the purpose of backtracing, the procedure linkage table ends with the
1145 following tail entry:
1147 info 10 ## SP not offset, return PC in LR
1149 The 32-bit versions are similar, with ld4s replacing ld, and offsets into
1150 the GOT being multiples of 4 instead of 8.
1154 #define PLT_HEADER_SIZE_IN_BUNDLES 3
1155 #define PLT_ENTRY_SIZE_IN_BUNDLES 5
1156 #define PLT_TAIL_SIZE_IN_BUNDLES 1
1158 #define PLT_HEADER_SIZE \
1159 (PLT_HEADER_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
1160 #define PLT_ENTRY_SIZE \
1161 (PLT_ENTRY_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
1162 #define PLT_TAIL_SIZE \
1163 (PLT_TAIL_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
1165 #define GOT_ENTRY_SIZE(htab) TILEGX_ELF_WORD_BYTES (htab)
1167 #define GOTPLT_HEADER_SIZE(htab) (2 * GOT_ENTRY_SIZE (htab))
1169 static const bfd_byte
1170 tilegx64_plt0_entry[PLT_HEADER_SIZE] =
1172 0x00, 0x30, 0x48, 0x51,
1173 0x6e, 0x43, 0xa0, 0x18, /* { ld_add r28, r27, 8 } */
1174 0x00, 0x30, 0xbc, 0x35,
1175 0x00, 0x40, 0xde, 0x9e, /* { ld r27, r27 } */
1176 0xff, 0xaf, 0x30, 0x40,
1177 0x60, 0x73, 0x6a, 0x28, /* { info 10 ; jr r27 } */
1180 static const bfd_byte
1181 tilegx64_long_plt_entry[PLT_ENTRY_SIZE] =
1183 0xdc, 0x0f, 0x00, 0x10,
1184 0x0d, 0xf0, 0x6a, 0x28, /* { moveli r28, 0 ; lnk r26 } */
1185 0xdb, 0x0f, 0x00, 0x10,
1186 0x8e, 0x03, 0x00, 0x38, /* { moveli r27, 0 ; shl16insli r28, r28, 0 } */
1187 0x9c, 0xc6, 0x0d, 0xd0,
1188 0x6d, 0x03, 0x00, 0x38, /* { add r28, r26, r28 ; shl16insli r27, r27, 0 } */
1189 0x9b, 0xb6, 0xc5, 0xad,
1190 0xff, 0x57, 0xe0, 0x8e, /* { add r27, r26, r27 ; info 10 ; ld r28, r28 } */
1191 0xdd, 0x0f, 0x00, 0x70,
1192 0x80, 0x73, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; jr r28 } */
1195 static const bfd_byte
1196 tilegx64_short_plt_entry[PLT_ENTRY_SIZE] =
1198 0x00, 0x30, 0x48, 0x51,
1199 0x0d, 0xf0, 0x6a, 0x28, /* { lnk r26 } */
1200 0x9c, 0x06, 0x00, 0x90,
1201 0xed, 0x07, 0x00, 0x00, /* { addli r28, r26, 0 ; moveli r27, 0 } */
1202 0xdd, 0x0f, 0x00, 0x70,
1203 0x8e, 0xeb, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; ld r28, r28 } */
1204 0x9b, 0xb6, 0x0d, 0x50,
1205 0x80, 0x73, 0x6a, 0x28, /* { add r27, r26, r27 ; jr r28 } */
1206 0x00, 0x30, 0x48, 0xd1,
1207 0xff, 0x57, 0x18, 0x18, /* { info 10 } */
1210 /* Reuse an existing info 10 bundle. */
1211 static const bfd_byte *const tilegx64_plt_tail_entry =
1212 &tilegx64_short_plt_entry[4 * TILEGX_BUNDLE_SIZE_IN_BYTES];
1214 static const bfd_byte
1215 tilegx32_plt0_entry[PLT_HEADER_SIZE] =
1217 0x00, 0x30, 0x48, 0x51,
1218 0x6e, 0x23, 0x58, 0x18, /* { ld4s_add r28, r27, 4 } */
1219 0x00, 0x30, 0xbc, 0x35,
1220 0x00, 0x40, 0xde, 0x9c, /* { ld4s r27, r27 } */
1221 0xff, 0xaf, 0x30, 0x40,
1222 0x60, 0x73, 0x6a, 0x28, /* { info 10 ; jr r27 } */
1225 static const bfd_byte
1226 tilegx32_long_plt_entry[PLT_ENTRY_SIZE] =
1228 0xdc, 0x0f, 0x00, 0x10,
1229 0x0d, 0xf0, 0x6a, 0x28, /* { moveli r28, 0 ; lnk r26 } */
1230 0xdb, 0x0f, 0x00, 0x10,
1231 0x8e, 0x03, 0x00, 0x38, /* { moveli r27, 0 ; shl16insli r28, r28, 0 } */
1232 0x9c, 0xc6, 0x0d, 0xd0,
1233 0x6d, 0x03, 0x00, 0x38, /* { add r28, r26, r28 ; shl16insli r27, r27, 0 } */
1234 0x9b, 0xb6, 0xc5, 0xad,
1235 0xff, 0x57, 0xe0, 0x8c, /* { add r27, r26, r27 ; info 10 ; ld4s r28, r28 } */
1236 0xdd, 0x0f, 0x00, 0x70,
1237 0x80, 0x73, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; jr r28 } */
1240 static const bfd_byte
1241 tilegx32_short_plt_entry[PLT_ENTRY_SIZE] =
1243 0x00, 0x30, 0x48, 0x51,
1244 0x0d, 0xf0, 0x6a, 0x28, /* { lnk r26 } */
1245 0x9c, 0x06, 0x00, 0x90,
1246 0xed, 0x07, 0x00, 0x00, /* { addli r28, r26, 0 ; moveli r27, 0 } */
1247 0xdd, 0x0f, 0x00, 0x70,
1248 0x8e, 0x9b, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; ld4s r28, r28 } */
1249 0x9b, 0xb6, 0x0d, 0x50,
1250 0x80, 0x73, 0x6a, 0x28, /* { add r27, r26, r27 ; jr r28 } */
1251 0x00, 0x30, 0x48, 0xd1,
1252 0xff, 0x57, 0x18, 0x18, /* { info 10 } */
1255 /* Reuse an existing info 10 bundle. */
1256 static const bfd_byte *const tilegx32_plt_tail_entry =
1257 &tilegx64_short_plt_entry[4 * TILEGX_BUNDLE_SIZE_IN_BYTES];
1260 tilegx_plt_entry_build (bfd *output_bfd,
1261 struct tilegx_elf_link_hash_table *htab,
1262 asection *splt, asection *sgotplt,
1263 bfd_vma offset, bfd_vma *r_offset)
1265 int plt_index = (offset - PLT_HEADER_SIZE) / PLT_ENTRY_SIZE;
1266 int got_offset = (plt_index * GOT_ENTRY_SIZE (htab)
1267 + GOTPLT_HEADER_SIZE (htab));
1268 tilegx_bundle_bits *pc;
1270 /* Compute the distance from the got entry to the lnk. */
1271 bfd_signed_vma dist_got_entry = sgotplt->output_section->vma
1272 + sgotplt->output_offset
1274 - splt->output_section->vma
1275 - splt->output_offset
1277 - TILEGX_BUNDLE_SIZE_IN_BYTES;
1279 /* Compute the distance to GOTPLT[0]. */
1280 bfd_signed_vma dist_got0 = dist_got_entry - got_offset;
1282 /* Check whether we can use the short plt entry with 16-bit offset. */
1283 bfd_boolean short_plt_entry =
1284 (dist_got_entry <= 0x7fff && dist_got0 >= -0x8000);
1286 const tilegx_bundle_bits *plt_entry = (tilegx_bundle_bits *)
1287 (ABI_64_P (output_bfd) ?
1288 (short_plt_entry ? tilegx64_short_plt_entry : tilegx64_long_plt_entry) :
1289 (short_plt_entry ? tilegx32_short_plt_entry : tilegx32_long_plt_entry));
1291 /* Copy the plt entry template. */
1292 memcpy (splt->contents + offset, plt_entry, PLT_ENTRY_SIZE);
1294 /* Write the immediate offsets. */
1295 pc = (tilegx_bundle_bits *)(splt->contents + offset);
1297 if (short_plt_entry)
1302 /* { addli r28, r28, &GOTPLT[MY_GOT_INDEX] ; moveli r27, &GOTPLT[0] } */
1303 *pc++ |= create_Imm16_X0 (dist_got_entry)
1304 | create_Imm16_X1 (dist_got0);
1306 /* { shl16insli r29, zero, MY_PLT_INDEX ; ld r28, r28 } */
1307 *pc++ |= create_Imm16_X0 (plt_index);
1311 /* { moveli r28, &GOTPLT[MY_GOT_INDEX] ; lnk r26 } */
1312 *pc++ |= create_Imm16_X0 (dist_got_entry >> 16);
1314 /* { moveli r27, &GOTPLT[0] ;
1315 shl16insli r28, r28, &GOTPLT[MY_GOT_INDEX] } */
1316 *pc++ |= create_Imm16_X0 (dist_got0 >> 16)
1317 | create_Imm16_X1 (dist_got_entry);
1319 /* { add r28, r26, r28 ; shl16insli r27, r27, &GOTPLT[0] } */
1320 *pc++ |= create_Imm16_X1 (dist_got0);
1322 /* { add r27, r26, r27 ; info 10 ; ld r28, r28 } */
1325 /* { shl16insli r29, zero, MY_GOT_INDEX ; jr r28 } */
1326 *pc++ |= create_Imm16_X0 (plt_index);
1329 /* Set the relocation offset. */
1330 *r_offset = got_offset;
1335 /* Create an entry in an TILEGX ELF linker hash table. */
1337 static struct bfd_hash_entry *
1338 link_hash_newfunc (struct bfd_hash_entry *entry,
1339 struct bfd_hash_table *table, const char *string)
1341 /* Allocate the structure if it has not already been allocated by a
1346 bfd_hash_allocate (table,
1347 sizeof (struct tilegx_elf_link_hash_entry));
1352 /* Call the allocation method of the superclass. */
1353 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1356 struct tilegx_elf_link_hash_entry *eh;
1358 eh = (struct tilegx_elf_link_hash_entry *) entry;
1359 eh->dyn_relocs = NULL;
1360 eh->tls_type = GOT_UNKNOWN;
1366 /* Create a TILEGX ELF linker hash table. */
1368 struct bfd_link_hash_table *
1369 tilegx_elf_link_hash_table_create (bfd *abfd)
1371 struct tilegx_elf_link_hash_table *ret;
1372 bfd_size_type amt = sizeof (struct tilegx_elf_link_hash_table);
1374 ret = (struct tilegx_elf_link_hash_table *) bfd_zmalloc (amt);
1379 if (ABI_64_P (abfd))
1381 ret->bytes_per_word = 8;
1382 ret->word_align_power = 3;
1383 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
1384 ret->dtpoff_reloc = R_TILEGX_TLS_DTPOFF64;
1385 ret->dtpmod_reloc = R_TILEGX_TLS_DTPMOD64;
1386 ret->tpoff_reloc = R_TILEGX_TLS_TPOFF64;
1387 ret->r_info = tilegx_elf_r_info_64;
1388 ret->r_symndx = tilegx_elf_r_symndx_64;
1389 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
1390 ret->put_word = tilegx_put_word_64;
1395 ret->bytes_per_word = 4;
1396 ret->word_align_power = 2;
1397 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
1398 ret->dtpoff_reloc = R_TILEGX_TLS_DTPOFF32;
1399 ret->dtpmod_reloc = R_TILEGX_TLS_DTPMOD32;
1400 ret->tpoff_reloc = R_TILEGX_TLS_TPOFF32;
1401 ret->r_info = tilegx_elf_r_info_32;
1402 ret->r_symndx = tilegx_elf_r_symndx_32;
1403 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
1404 ret->put_word = tilegx_put_word_32;
1407 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
1408 sizeof (struct tilegx_elf_link_hash_entry),
1415 return &ret->elf.root;
1418 /* Create the .got section. */
1421 tilegx_elf_create_got_section (bfd *abfd, struct bfd_link_info *info)
1424 asection *s, *s_got;
1425 struct elf_link_hash_entry *h;
1426 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1427 struct elf_link_hash_table *htab = elf_hash_table (info);
1429 /* This function may be called more than once. */
1430 if (htab->sgot != NULL)
1433 flags = bed->dynamic_sec_flags;
1435 s = bfd_make_section_anyway_with_flags (abfd,
1436 (bed->rela_plts_and_copies_p
1437 ? ".rela.got" : ".rel.got"),
1438 (bed->dynamic_sec_flags
1441 || ! bfd_set_section_alignment (abfd, s, bed->s->log_file_align))
1445 s = s_got = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
1447 || !bfd_set_section_alignment (abfd, s, bed->s->log_file_align))
1451 /* The first bit of the global offset table is the header. */
1452 s->size += bed->got_header_size;
1454 if (bed->want_got_plt)
1456 s = bfd_make_section_anyway_with_flags (abfd, ".got.plt", flags);
1458 || !bfd_set_section_alignment (abfd, s,
1459 bed->s->log_file_align))
1463 /* Reserve room for the header. */
1464 s->size += GOTPLT_HEADER_SIZE (tilegx_elf_hash_table (info));
1467 if (bed->want_got_sym)
1469 /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got
1470 section. We don't do this in the linker script because we don't want
1471 to define the symbol if we are not creating a global offset
1473 h = _bfd_elf_define_linkage_sym (abfd, info, s_got,
1474 "_GLOBAL_OFFSET_TABLE_");
1475 elf_hash_table (info)->hgot = h;
1483 /* Create .plt, .rela.plt, .got, .got.plt, .rela.got, .dynbss, and
1484 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1488 tilegx_elf_create_dynamic_sections (bfd *dynobj,
1489 struct bfd_link_info *info)
1491 if (!tilegx_elf_create_got_section (dynobj, info))
1494 return _bfd_elf_create_dynamic_sections (dynobj, info);
1497 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1500 tilegx_elf_copy_indirect_symbol (struct bfd_link_info *info,
1501 struct elf_link_hash_entry *dir,
1502 struct elf_link_hash_entry *ind)
1504 struct tilegx_elf_link_hash_entry *edir, *eind;
1506 edir = (struct tilegx_elf_link_hash_entry *) dir;
1507 eind = (struct tilegx_elf_link_hash_entry *) ind;
1509 if (eind->dyn_relocs != NULL)
1511 if (edir->dyn_relocs != NULL)
1513 struct elf_dyn_relocs **pp;
1514 struct elf_dyn_relocs *p;
1516 /* Add reloc counts against the indirect sym to the direct sym
1517 list. Merge any entries against the same section. */
1518 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1520 struct elf_dyn_relocs *q;
1522 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1523 if (q->sec == p->sec)
1525 q->pc_count += p->pc_count;
1526 q->count += p->count;
1533 *pp = edir->dyn_relocs;
1536 edir->dyn_relocs = eind->dyn_relocs;
1537 eind->dyn_relocs = NULL;
1540 if (ind->root.type == bfd_link_hash_indirect
1541 && dir->got.refcount <= 0)
1543 edir->tls_type = eind->tls_type;
1544 eind->tls_type = GOT_UNKNOWN;
1546 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1550 tilegx_tls_translate_to_le (int r_type)
1554 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
1555 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
1556 return R_TILEGX_IMM16_X0_HW0_TLS_LE;
1558 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
1559 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
1560 return R_TILEGX_IMM16_X1_HW0_TLS_LE;
1562 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
1563 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
1564 return R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE;
1566 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
1567 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
1568 return R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE;
1570 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
1571 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
1572 return R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE;
1574 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
1575 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
1576 return R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE;
1582 tilegx_tls_translate_to_ie (int r_type)
1586 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
1587 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
1588 return R_TILEGX_IMM16_X0_HW0_TLS_IE;
1590 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
1591 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
1592 return R_TILEGX_IMM16_X1_HW0_TLS_IE;
1594 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
1595 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
1596 return R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE;
1598 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
1599 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
1600 return R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE;
1602 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
1603 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
1604 return R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE;
1606 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
1607 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
1608 return R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE;
1614 tilegx_elf_tls_transition (struct bfd_link_info *info, int r_type,
1615 int is_local, bfd_boolean disable_le_transition)
1617 if (!bfd_link_executable (info))
1620 if (is_local && !disable_le_transition)
1621 return tilegx_tls_translate_to_le (r_type);
1623 return tilegx_tls_translate_to_ie (r_type);
1626 /* Look through the relocs for a section during the first phase, and
1627 allocate space in the global offset table or procedure linkage
1631 tilegx_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1632 asection *sec, const Elf_Internal_Rela *relocs)
1634 struct tilegx_elf_link_hash_table *htab;
1635 Elf_Internal_Shdr *symtab_hdr;
1636 struct elf_link_hash_entry **sym_hashes;
1637 const Elf_Internal_Rela *rel;
1638 const Elf_Internal_Rela *rel_end;
1641 bfd_boolean has_tls_gd_or_ie = FALSE, has_tls_add = FALSE;
1643 if (bfd_link_relocatable (info))
1646 htab = tilegx_elf_hash_table (info);
1647 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1648 sym_hashes = elf_sym_hashes (abfd);
1652 num_relocs = sec->reloc_count;
1654 BFD_ASSERT (is_tilegx_elf (abfd) || num_relocs == 0);
1656 if (htab->elf.dynobj == NULL)
1657 htab->elf.dynobj = abfd;
1659 rel_end = relocs + num_relocs;
1661 /* Check whether to do optimization to transform TLS GD/IE
1662 referehces to TLS LE. We disable it if we're linking with old
1663 TLS code sequences that do not support such optimization. Old
1664 TLS code sequences have tls_gd_call/tls_ie_load relocations but
1665 no tls_add relocations. */
1666 for (rel = relocs; rel < rel_end && !has_tls_add; rel++)
1668 int r_type = TILEGX_ELF_R_TYPE (rel->r_info);
1671 case R_TILEGX_TLS_GD_CALL:
1672 case R_TILEGX_TLS_IE_LOAD:
1673 has_tls_gd_or_ie = TRUE;
1675 case R_TILEGX_IMM8_X0_TLS_ADD:
1676 case R_TILEGX_IMM8_Y0_TLS_ADD:
1677 case R_TILEGX_IMM8_X1_TLS_ADD:
1678 case R_TILEGX_IMM8_Y1_TLS_ADD:
1684 sec->sec_flg0 = (has_tls_gd_or_ie && !has_tls_add);
1685 htab->disable_le_transition |= sec->sec_flg0;
1687 for (rel = relocs; rel < rel_end; rel++)
1689 unsigned int r_type;
1690 unsigned int r_symndx;
1691 struct elf_link_hash_entry *h;
1694 r_symndx = TILEGX_ELF_R_SYMNDX (htab, rel->r_info);
1695 r_type = TILEGX_ELF_R_TYPE (rel->r_info);
1697 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1699 /* xgettext:c-format */
1700 _bfd_error_handler (_("%pB: bad symbol index: %d"),
1705 if (r_symndx < symtab_hdr->sh_info)
1709 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1710 while (h->root.type == bfd_link_hash_indirect
1711 || h->root.type == bfd_link_hash_warning)
1712 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1715 r_type = tilegx_elf_tls_transition (info, r_type, h == NULL,
1719 case R_TILEGX_IMM16_X0_HW0_TLS_LE:
1720 case R_TILEGX_IMM16_X1_HW0_TLS_LE:
1721 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
1722 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
1723 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
1724 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
1725 if (!bfd_link_executable (info))
1726 goto r_tilegx_plt32;
1729 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
1730 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
1731 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
1732 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
1733 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
1734 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
1735 BFD_ASSERT (bfd_link_pic (info));
1736 tls_type = GOT_TLS_GD;
1737 goto have_got_reference;
1739 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
1740 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
1741 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
1742 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
1743 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
1744 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
1745 tls_type = GOT_TLS_IE;
1746 if (!bfd_link_executable (info))
1747 info->flags |= DF_STATIC_TLS;
1748 goto have_got_reference;
1750 case R_TILEGX_IMM16_X0_HW0_GOT:
1751 case R_TILEGX_IMM16_X1_HW0_GOT:
1752 case R_TILEGX_IMM16_X0_HW0_LAST_GOT:
1753 case R_TILEGX_IMM16_X1_HW0_LAST_GOT:
1754 case R_TILEGX_IMM16_X0_HW1_LAST_GOT:
1755 case R_TILEGX_IMM16_X1_HW1_LAST_GOT:
1756 tls_type = GOT_NORMAL;
1760 /* This symbol requires a global offset table entry. */
1766 h->got.refcount += 1;
1767 old_tls_type = tilegx_elf_hash_entry(h)->tls_type;
1771 bfd_signed_vma *local_got_refcounts;
1773 /* This is a global offset table entry for a local symbol. */
1774 local_got_refcounts = elf_local_got_refcounts (abfd);
1775 if (local_got_refcounts == NULL)
1779 size = symtab_hdr->sh_info;
1780 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1781 local_got_refcounts = ((bfd_signed_vma *)
1782 bfd_zalloc (abfd, size));
1783 if (local_got_refcounts == NULL)
1785 elf_local_got_refcounts (abfd) = local_got_refcounts;
1786 _bfd_tilegx_elf_local_got_tls_type (abfd)
1787 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1789 local_got_refcounts[r_symndx] += 1;
1790 old_tls_type = _bfd_tilegx_elf_local_got_tls_type (abfd) [r_symndx];
1793 /* If a TLS symbol is accessed using IE at least once,
1794 there is no point to use dynamic model for it. */
1795 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1796 && (old_tls_type != GOT_TLS_GD
1797 || tls_type != GOT_TLS_IE))
1799 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1800 tls_type = old_tls_type;
1804 /* xgettext:c-format */
1805 (_("%pB: `%s' accessed both as normal and thread local symbol"),
1806 abfd, h ? h->root.root.string : "<local>");
1811 if (old_tls_type != tls_type)
1814 tilegx_elf_hash_entry (h)->tls_type = tls_type;
1816 _bfd_tilegx_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1820 if (htab->elf.sgot == NULL)
1822 if (!tilegx_elf_create_got_section (htab->elf.dynobj, info))
1827 case R_TILEGX_TLS_GD_CALL:
1828 if (!bfd_link_executable (info))
1830 /* These are basically R_TILEGX_JUMPOFF_X1_PLT relocs
1831 against __tls_get_addr. */
1832 struct bfd_link_hash_entry *bh = NULL;
1833 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1834 "__tls_get_addr", 0,
1835 bfd_und_section_ptr, 0,
1839 h = (struct elf_link_hash_entry *) bh;
1845 case R_TILEGX_JUMPOFF_X1_PLT:
1846 case R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
1847 case R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
1848 case R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
1849 case R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
1850 case R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
1851 case R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
1852 case R_TILEGX_IMM16_X0_HW3_PLT_PCREL:
1853 case R_TILEGX_IMM16_X1_HW3_PLT_PCREL:
1854 case R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
1855 case R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
1856 case R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
1857 case R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
1858 case R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
1859 case R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
1860 /* This symbol requires a procedure linkage table entry. We
1861 actually build the entry in adjust_dynamic_symbol,
1862 because this might be a case of linking PIC code without
1863 linking in any dynamic objects, in which case we don't
1864 need to generate a procedure linkage table after all. */
1869 h->plt.refcount += 1;
1873 case R_TILEGX_64_PCREL:
1874 case R_TILEGX_32_PCREL:
1875 case R_TILEGX_16_PCREL:
1876 case R_TILEGX_8_PCREL:
1877 case R_TILEGX_IMM16_X0_HW0_PCREL:
1878 case R_TILEGX_IMM16_X1_HW0_PCREL:
1879 case R_TILEGX_IMM16_X0_HW1_PCREL:
1880 case R_TILEGX_IMM16_X1_HW1_PCREL:
1881 case R_TILEGX_IMM16_X0_HW2_PCREL:
1882 case R_TILEGX_IMM16_X1_HW2_PCREL:
1883 case R_TILEGX_IMM16_X0_HW3_PCREL:
1884 case R_TILEGX_IMM16_X1_HW3_PCREL:
1885 case R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
1886 case R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
1887 case R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
1888 case R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
1889 case R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
1890 case R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
1895 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1907 case R_TILEGX_HW0_LAST:
1908 case R_TILEGX_HW1_LAST:
1909 case R_TILEGX_HW2_LAST:
1911 case R_TILEGX_GLOB_DAT:
1912 case R_TILEGX_JMP_SLOT:
1913 case R_TILEGX_RELATIVE:
1914 case R_TILEGX_BROFF_X1:
1915 case R_TILEGX_JUMPOFF_X1:
1916 case R_TILEGX_IMM8_X0:
1917 case R_TILEGX_IMM8_Y0:
1918 case R_TILEGX_IMM8_X1:
1919 case R_TILEGX_IMM8_Y1:
1920 case R_TILEGX_DEST_IMM8_X1:
1921 case R_TILEGX_MT_IMM14_X1:
1922 case R_TILEGX_MF_IMM14_X1:
1923 case R_TILEGX_MMSTART_X0:
1924 case R_TILEGX_MMEND_X0:
1925 case R_TILEGX_SHAMT_X0:
1926 case R_TILEGX_SHAMT_X1:
1927 case R_TILEGX_SHAMT_Y0:
1928 case R_TILEGX_SHAMT_Y1:
1929 case R_TILEGX_IMM16_X0_HW0:
1930 case R_TILEGX_IMM16_X1_HW0:
1931 case R_TILEGX_IMM16_X0_HW1:
1932 case R_TILEGX_IMM16_X1_HW1:
1933 case R_TILEGX_IMM16_X0_HW2:
1934 case R_TILEGX_IMM16_X1_HW2:
1935 case R_TILEGX_IMM16_X0_HW3:
1936 case R_TILEGX_IMM16_X1_HW3:
1937 case R_TILEGX_IMM16_X0_HW0_LAST:
1938 case R_TILEGX_IMM16_X1_HW0_LAST:
1939 case R_TILEGX_IMM16_X0_HW1_LAST:
1940 case R_TILEGX_IMM16_X1_HW1_LAST:
1941 case R_TILEGX_IMM16_X0_HW2_LAST:
1942 case R_TILEGX_IMM16_X1_HW2_LAST:
1947 if (h != NULL && !bfd_link_pic (info))
1949 /* We may need a .plt entry if the function this reloc
1950 refers to is in a shared lib. */
1951 h->plt.refcount += 1;
1954 /* If we are creating a shared library, and this is a reloc
1955 against a global symbol, or a non PC relative reloc
1956 against a local symbol, then we need to copy the reloc
1957 into the shared library. However, if we are linking with
1958 -Bsymbolic, we do not need to copy a reloc against a
1959 global symbol which is defined in an object we are
1960 including in the link (i.e., DEF_REGULAR is set). At
1961 this point we have not seen all the input files, so it is
1962 possible that DEF_REGULAR is not set now but will be set
1963 later (it is never cleared). In case of a weak definition,
1964 DEF_REGULAR may be cleared later by a strong definition in
1965 a shared library. We account for that possibility below by
1966 storing information in the relocs_copied field of the hash
1967 table entry. A similar situation occurs when creating
1968 shared libraries and symbol visibility changes render the
1971 If on the other hand, we are creating an executable, we
1972 may need to keep relocations for symbols satisfied by a
1973 dynamic library if we manage to avoid copy relocs for the
1975 if ((bfd_link_pic (info)
1976 && (sec->flags & SEC_ALLOC) != 0
1977 && (! tilegx_elf_howto_table[r_type].pc_relative
1979 && (! info->symbolic
1980 || h->root.type == bfd_link_hash_defweak
1981 || !h->def_regular))))
1982 || (!bfd_link_pic (info)
1983 && (sec->flags & SEC_ALLOC) != 0
1985 && (h->root.type == bfd_link_hash_defweak
1986 || !h->def_regular)))
1988 struct elf_dyn_relocs *p;
1989 struct elf_dyn_relocs **head;
1991 /* When creating a shared object, we must copy these
1992 relocs into the output file. We create a reloc
1993 section in dynobj and make room for the reloc. */
1996 sreloc = _bfd_elf_make_dynamic_reloc_section
1997 (sec, htab->elf.dynobj, htab->word_align_power, abfd,
2004 /* If this is a global symbol, we count the number of
2005 relocations we need for this symbol. */
2008 &((struct tilegx_elf_link_hash_entry *) h)->dyn_relocs;
2011 /* Track dynamic relocs needed for local syms too.
2012 We really need local syms available to do this
2017 Elf_Internal_Sym *isym;
2019 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
2024 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
2028 vpp = &elf_section_data (s)->local_dynrel;
2029 head = (struct elf_dyn_relocs **) vpp;
2033 if (p == NULL || p->sec != sec)
2035 bfd_size_type amt = sizeof *p;
2036 p = ((struct elf_dyn_relocs *)
2037 bfd_alloc (htab->elf.dynobj, amt));
2048 if (tilegx_elf_howto_table[r_type].pc_relative)
2054 case R_TILEGX_GNU_VTINHERIT:
2055 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
2059 case R_TILEGX_GNU_VTENTRY:
2060 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
2074 tilegx_elf_gc_mark_hook (asection *sec,
2075 struct bfd_link_info *info,
2076 Elf_Internal_Rela *rel,
2077 struct elf_link_hash_entry *h,
2078 Elf_Internal_Sym *sym)
2082 switch (TILEGX_ELF_R_TYPE (rel->r_info))
2084 case R_TILEGX_GNU_VTINHERIT:
2085 case R_TILEGX_GNU_VTENTRY:
2090 /* FIXME: The test here, in check_relocs and in relocate_section
2091 dealing with TLS optimization, ought to be !bfd_link_executable (info). */
2092 if (bfd_link_pic (info))
2094 struct bfd_link_hash_entry *bh;
2096 switch (TILEGX_ELF_R_TYPE (rel->r_info))
2098 case R_TILEGX_TLS_GD_CALL:
2099 /* This reloc implicitly references __tls_get_addr. We know
2100 another reloc will reference the same symbol as the one
2101 on this reloc, so the real symbol and section will be
2102 gc marked when processing the other reloc. That lets
2103 us handle __tls_get_addr here. */
2105 if (! _bfd_generic_link_add_one_symbol (info, sec->owner,
2106 "__tls_get_addr", 0,
2107 bfd_und_section_ptr,
2111 h = (struct elf_link_hash_entry *) bh;
2112 BFD_ASSERT (h != NULL);
2114 if (h->is_weakalias)
2115 weakdef (h)->mark = 1;
2120 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
2123 /* Find dynamic relocs for H that apply to read-only sections. */
2126 readonly_dynrelocs (struct elf_link_hash_entry *h)
2128 struct elf_dyn_relocs *p;
2130 for (p = tilegx_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
2132 asection *s = p->sec->output_section;
2134 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2140 /* Adjust a symbol defined by a dynamic object and referenced by a
2141 regular object. The current definition is in some section of the
2142 dynamic object, but we're not including those sections. We have to
2143 change the definition to something the rest of the link can
2147 tilegx_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2148 struct elf_link_hash_entry *h)
2150 struct tilegx_elf_link_hash_table *htab;
2154 htab = tilegx_elf_hash_table (info);
2155 BFD_ASSERT (htab != NULL);
2157 dynobj = htab->elf.dynobj;
2159 /* Make sure we know what is going on here. */
2160 BFD_ASSERT (dynobj != NULL
2165 && !h->def_regular)));
2167 /* If this is a function, put it in the procedure linkage table. We
2168 will fill in the contents of the procedure linkage table later
2169 (although we could actually do it here). */
2170 if (h->type == STT_FUNC || h->needs_plt)
2172 if (h->plt.refcount <= 0
2173 || SYMBOL_CALLS_LOCAL (info, h)
2174 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2175 && h->root.type == bfd_link_hash_undefweak))
2177 /* This case can occur if we saw a R_TILEGX_JUMPOFF_X1_PLT
2178 reloc in an input file, but the symbol was never referred
2179 to by a dynamic object, or if all references were garbage
2180 collected. In such a case, we don't actually need to build
2181 a procedure linkage table, and we can just do a
2182 R_TILEGX_JUMPOFF_X1 relocation instead. */
2183 h->plt.offset = (bfd_vma) -1;
2190 h->plt.offset = (bfd_vma) -1;
2192 /* If this is a weak symbol, and there is a real definition, the
2193 processor independent code will have arranged for us to see the
2194 real definition first, and we can just use the same value. */
2195 if (h->is_weakalias)
2197 struct elf_link_hash_entry *def = weakdef (h);
2198 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2199 h->root.u.def.section = def->root.u.def.section;
2200 h->root.u.def.value = def->root.u.def.value;
2204 /* This is a reference to a symbol defined by a dynamic object which
2205 is not a function. */
2207 /* If we are creating a shared library, we must presume that the
2208 only references to the symbol are via the global offset table.
2209 For such cases we need not do anything here; the relocations will
2210 be handled correctly by relocate_section. */
2211 if (bfd_link_pic (info))
2214 /* If there are no references to this symbol that do not use the
2215 GOT, we don't need to generate a copy reloc. */
2216 if (!h->non_got_ref)
2219 /* If -z nocopyreloc was given, we won't generate them either. */
2220 if (info->nocopyreloc)
2226 /* If we don't find any dynamic relocs in read-only sections, then
2227 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2228 if (!readonly_dynrelocs (h))
2234 /* We must allocate the symbol in our .dynbss section, which will
2235 become part of the .bss section of the executable. There will be
2236 an entry for this symbol in the .dynsym section. The dynamic
2237 object will contain position independent code, so all references
2238 from the dynamic object to this symbol will go through the global
2239 offset table. The dynamic linker will use the .dynsym entry to
2240 determine the address it must put in the global offset table, so
2241 both the dynamic object and the regular object will refer to the
2242 same memory location for the variable. */
2244 /* We must generate a R_TILEGX_COPY reloc to tell the dynamic linker
2245 to copy the initial value out of the dynamic object and into the
2246 runtime process image. We need to remember the offset into the
2247 .rel.bss section we are going to use. */
2248 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2250 s = htab->elf.sdynrelro;
2251 srel = htab->elf.sreldynrelro;
2255 s = htab->elf.sdynbss;
2256 srel = htab->elf.srelbss;
2258 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2260 srel->size += TILEGX_ELF_RELA_BYTES (htab);
2264 return _bfd_elf_adjust_dynamic_copy (info, h, s);
2267 /* Allocate space in .plt, .got and associated reloc sections for
2271 allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
2273 struct bfd_link_info *info;
2274 struct tilegx_elf_link_hash_table *htab;
2275 struct tilegx_elf_link_hash_entry *eh;
2276 struct elf_dyn_relocs *p;
2278 if (h->root.type == bfd_link_hash_indirect)
2281 info = (struct bfd_link_info *) inf;
2282 htab = tilegx_elf_hash_table (info);
2283 BFD_ASSERT (htab != NULL);
2285 if (htab->elf.dynamic_sections_created
2286 && h->plt.refcount > 0)
2288 /* Make sure this symbol is output as a dynamic symbol.
2289 Undefined weak syms won't yet be marked as dynamic. */
2290 if (h->dynindx == -1
2291 && !h->forced_local)
2293 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2297 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
2299 asection *s = htab->elf.splt;
2301 /* Allocate room for the header and tail. */
2304 s->size = PLT_ENTRY_SIZE;
2307 h->plt.offset = s->size - PLT_ENTRY_SIZE + PLT_HEADER_SIZE;
2309 /* If this symbol is not defined in a regular file, and we are
2310 not generating a shared library, then set the symbol to this
2311 location in the .plt. This is required to make function
2312 pointers compare as equal between the normal executable and
2313 the shared library. */
2314 if (! bfd_link_pic (info)
2317 h->root.u.def.section = s;
2318 h->root.u.def.value = h->plt.offset;
2321 /* Make room for this entry. */
2322 s->size += PLT_ENTRY_SIZE;
2324 /* We also need to make an entry in the .got.plt section. */
2325 htab->elf.sgotplt->size += GOT_ENTRY_SIZE (htab);
2327 /* We also need to make an entry in the .rela.plt section. */
2328 htab->elf.srelplt->size += TILEGX_ELF_RELA_BYTES (htab);
2332 h->plt.offset = (bfd_vma) -1;
2338 h->plt.offset = (bfd_vma) -1;
2342 /* If a TLS_IE symbol is now local to the binary, make it a TLS_LE
2343 requiring no TLS entry. */
2344 if (h->got.refcount > 0
2345 && !htab->disable_le_transition
2346 && bfd_link_executable (info)
2348 && tilegx_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2349 h->got.offset = (bfd_vma) -1;
2350 else if (h->got.refcount > 0)
2354 int tls_type = tilegx_elf_hash_entry(h)->tls_type;
2356 /* Make sure this symbol is output as a dynamic symbol.
2357 Undefined weak syms won't yet be marked as dynamic. */
2358 if (h->dynindx == -1
2359 && !h->forced_local)
2361 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2366 h->got.offset = s->size;
2367 s->size += TILEGX_ELF_WORD_BYTES (htab);
2368 /* TLS_GD entries need 2 consecutive GOT slots. */
2369 if (tls_type == GOT_TLS_GD)
2370 s->size += TILEGX_ELF_WORD_BYTES (htab);
2371 dyn = htab->elf.dynamic_sections_created;
2372 /* TLS_IE needs one dynamic relocation,
2373 TLS_GD needs two if local symbol and two if global. */
2374 if (tls_type == GOT_TLS_GD || tls_type == GOT_TLS_IE)
2375 htab->elf.srelgot->size += 2 * TILEGX_ELF_RELA_BYTES (htab);
2376 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2377 bfd_link_pic (info),
2379 htab->elf.srelgot->size += TILEGX_ELF_RELA_BYTES (htab);
2382 h->got.offset = (bfd_vma) -1;
2384 eh = (struct tilegx_elf_link_hash_entry *) h;
2385 if (eh->dyn_relocs == NULL)
2388 /* In the shared -Bsymbolic case, discard space allocated for
2389 dynamic pc-relative relocs against symbols which turn out to be
2390 defined in regular objects. For the normal shared case, discard
2391 space for pc-relative relocs that have become local due to symbol
2392 visibility changes. */
2394 if (bfd_link_pic (info))
2396 if (SYMBOL_CALLS_LOCAL (info, h))
2398 struct elf_dyn_relocs **pp;
2400 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2402 p->count -= p->pc_count;
2411 /* Also discard relocs on undefined weak syms with non-default
2413 if (eh->dyn_relocs != NULL
2414 && h->root.type == bfd_link_hash_undefweak)
2416 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2417 || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
2418 eh->dyn_relocs = NULL;
2420 /* Make sure undefined weak symbols are output as a dynamic
2422 else if (h->dynindx == -1
2423 && !h->forced_local)
2425 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2432 /* For the non-shared case, discard space for relocs against
2433 symbols which turn out to need copy relocs or are not
2439 || (htab->elf.dynamic_sections_created
2440 && (h->root.type == bfd_link_hash_undefweak
2441 || h->root.type == bfd_link_hash_undefined))))
2443 /* Make sure this symbol is output as a dynamic symbol.
2444 Undefined weak syms won't yet be marked as dynamic. */
2445 if (h->dynindx == -1
2446 && !h->forced_local)
2448 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2452 /* If that succeeded, we know we'll be keeping all the
2454 if (h->dynindx != -1)
2458 eh->dyn_relocs = NULL;
2463 /* Finally, allocate space. */
2464 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2466 asection *sreloc = elf_section_data (p->sec)->sreloc;
2467 sreloc->size += p->count * TILEGX_ELF_RELA_BYTES (htab);
2473 /* Set DF_TEXTREL if we find any dynamic relocs that apply to
2474 read-only sections. */
2477 maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
2481 if (h->root.type == bfd_link_hash_indirect)
2484 sec = readonly_dynrelocs (h);
2487 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
2489 info->flags |= DF_TEXTREL;
2490 info->callbacks->minfo
2491 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
2492 sec->owner, h->root.root.string, sec);
2494 /* Not an error, just cut short the traversal. */
2500 /* Return true if the dynamic symbol for a given section should be
2501 omitted when creating a shared library. */
2504 tilegx_elf_omit_section_dynsym (bfd *output_bfd,
2505 struct bfd_link_info *info,
2508 /* We keep the .got section symbol so that explicit relocations
2509 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2510 can be turned into relocations against the .got symbol. */
2511 if (strcmp (p->name, ".got") == 0)
2514 return _bfd_elf_omit_section_dynsym_default (output_bfd, info, p);
2518 tilegx_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2519 struct bfd_link_info *info)
2521 struct tilegx_elf_link_hash_table *htab;
2526 htab = tilegx_elf_hash_table (info);
2527 BFD_ASSERT (htab != NULL);
2528 dynobj = htab->elf.dynobj;
2529 BFD_ASSERT (dynobj != NULL);
2531 if (elf_hash_table (info)->dynamic_sections_created)
2533 /* Set the contents of the .interp section to the interpreter. */
2534 if (bfd_link_executable (info) && !info->nointerp)
2536 s = bfd_get_linker_section (dynobj, ".interp");
2537 BFD_ASSERT (s != NULL);
2538 s->size = strlen (htab->dynamic_interpreter) + 1;
2539 s->contents = (unsigned char *) htab->dynamic_interpreter;
2543 /* Set up .got offsets for local syms, and space for local dynamic
2545 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2547 bfd_signed_vma *local_got;
2548 bfd_signed_vma *end_local_got;
2549 char *local_tls_type;
2550 bfd_size_type locsymcount;
2551 Elf_Internal_Shdr *symtab_hdr;
2554 if (! is_tilegx_elf (ibfd))
2557 for (s = ibfd->sections; s != NULL; s = s->next)
2559 struct elf_dyn_relocs *p;
2561 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2563 if (!bfd_is_abs_section (p->sec)
2564 && bfd_is_abs_section (p->sec->output_section))
2566 /* Input section has been discarded, either because
2567 it is a copy of a linkonce section or due to
2568 linker script /DISCARD/, so we'll be discarding
2571 else if (p->count != 0)
2573 srel = elf_section_data (p->sec)->sreloc;
2574 srel->size += p->count * TILEGX_ELF_RELA_BYTES (htab);
2575 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2577 info->flags |= DF_TEXTREL;
2579 info->callbacks->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
2580 p->sec->owner, p->sec);
2586 local_got = elf_local_got_refcounts (ibfd);
2590 symtab_hdr = &elf_symtab_hdr (ibfd);
2591 locsymcount = symtab_hdr->sh_info;
2592 end_local_got = local_got + locsymcount;
2593 local_tls_type = _bfd_tilegx_elf_local_got_tls_type (ibfd);
2595 srel = htab->elf.srelgot;
2596 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2600 *local_got = s->size;
2601 s->size += TILEGX_ELF_WORD_BYTES (htab);
2602 if (*local_tls_type == GOT_TLS_GD)
2603 s->size += TILEGX_ELF_WORD_BYTES (htab);
2604 if (bfd_link_pic (info)
2605 || *local_tls_type == GOT_TLS_GD
2606 || *local_tls_type == GOT_TLS_IE)
2607 srel->size += TILEGX_ELF_RELA_BYTES (htab);
2610 *local_got = (bfd_vma) -1;
2614 /* Allocate global sym .plt and .got entries, and space for global
2615 sym dynamic relocs. */
2616 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
2618 if (elf_hash_table (info)->dynamic_sections_created)
2620 /* If the .got section is more than 0x8000 bytes, we add
2621 0x8000 to the value of _GLOBAL_OFFSET_TABLE_, so that 16
2622 bit relocations have a greater chance of working. */
2623 if (htab->elf.sgot->size >= 0x8000
2624 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2625 elf_hash_table (info)->hgot->root.u.def.value = 0x8000;
2628 if (htab->elf.sgotplt)
2630 struct elf_link_hash_entry *got;
2631 got = elf_link_hash_lookup (elf_hash_table (info),
2632 "_GLOBAL_OFFSET_TABLE_",
2633 FALSE, FALSE, FALSE);
2635 /* Don't allocate .got.plt section if there are no GOT nor PLT
2636 entries and there is no refeence to _GLOBAL_OFFSET_TABLE_. */
2638 || !got->ref_regular_nonweak)
2639 && (htab->elf.sgotplt->size
2640 == (unsigned)GOTPLT_HEADER_SIZE (htab))
2641 && (htab->elf.splt == NULL
2642 || htab->elf.splt->size == 0)
2643 && (htab->elf.sgot == NULL
2644 || (htab->elf.sgot->size
2645 == get_elf_backend_data (output_bfd)->got_header_size)))
2646 htab->elf.sgotplt->size = 0;
2649 /* The check_relocs and adjust_dynamic_symbol entry points have
2650 determined the sizes of the various dynamic sections. Allocate
2652 for (s = dynobj->sections; s != NULL; s = s->next)
2654 if ((s->flags & SEC_LINKER_CREATED) == 0)
2657 if (s == htab->elf.splt
2658 || s == htab->elf.sgot
2659 || s == htab->elf.sgotplt
2660 || s == htab->elf.sdynbss
2661 || s == htab->elf.sdynrelro)
2663 /* Strip this section if we don't need it; see the
2666 else if (strncmp (s->name, ".rela", 5) == 0)
2670 /* We use the reloc_count field as a counter if we need
2671 to copy relocs into the output file. */
2677 /* It's not one of our sections. */
2683 /* If we don't need this section, strip it from the
2684 output file. This is mostly to handle .rela.bss and
2685 .rela.plt. We must create both sections in
2686 create_dynamic_sections, because they must be created
2687 before the linker maps input sections to output
2688 sections. The linker does that before
2689 adjust_dynamic_symbol is called, and it is that
2690 function which decides whether anything needs to go
2691 into these sections. */
2692 s->flags |= SEC_EXCLUDE;
2696 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2699 /* Allocate memory for the section contents. Zero the memory
2700 for the benefit of .rela.plt, which has 4 unused entries
2701 at the beginning, and we don't want garbage. */
2702 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2703 if (s->contents == NULL)
2707 if (elf_hash_table (info)->dynamic_sections_created)
2709 /* Add some entries to the .dynamic section. We fill in the
2710 values later, in tilegx_elf_finish_dynamic_sections, but we
2711 must add the entries now so that we get the correct size for
2712 the .dynamic section. The DT_DEBUG entry is filled in by the
2713 dynamic linker and used by the debugger. */
2714 #define add_dynamic_entry(TAG, VAL) \
2715 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2717 if (bfd_link_executable (info))
2719 if (!add_dynamic_entry (DT_DEBUG, 0))
2723 if (htab->elf.srelplt->size != 0)
2725 if (!add_dynamic_entry (DT_PLTGOT, 0)
2726 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2727 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2728 || !add_dynamic_entry (DT_JMPREL, 0))
2732 if (!add_dynamic_entry (DT_RELA, 0)
2733 || !add_dynamic_entry (DT_RELASZ, 0)
2734 || !add_dynamic_entry (DT_RELAENT, TILEGX_ELF_RELA_BYTES (htab)))
2737 /* If any dynamic relocs apply to a read-only section,
2738 then we need a DT_TEXTREL entry. */
2739 if ((info->flags & DF_TEXTREL) == 0)
2740 elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
2742 if (info->flags & DF_TEXTREL)
2744 if (!add_dynamic_entry (DT_TEXTREL, 0))
2748 #undef add_dynamic_entry
2753 /* Return the base VMA address which should be subtracted from real addresses
2754 when resolving @dtpoff relocation.
2755 This is PT_TLS segment p_vaddr. */
2758 dtpoff_base (struct bfd_link_info *info)
2760 /* If tls_sec is NULL, we should have signalled an error already. */
2761 if (elf_hash_table (info)->tls_sec == NULL)
2763 return elf_hash_table (info)->tls_sec->vma;
2766 /* Return the relocation value for @tpoff relocation. */
2769 tpoff (struct bfd_link_info *info, bfd_vma address)
2771 struct elf_link_hash_table *htab = elf_hash_table (info);
2773 /* If tls_sec is NULL, we should have signalled an error already. */
2774 if (htab->tls_sec == NULL)
2777 return (address - htab->tls_sec->vma);
2780 /* Copy SIZE bits from FROM to TO at address ADDR. */
2783 tilegx_copy_bits (bfd_byte *addr, int from, int to, int size)
2786 for (i = 0; i < size; i++)
2788 int from_byte = (from + i) / 8;
2789 int from_bit = (from + i) % 8;
2790 int to_byte = (to + i) / 8;
2791 int to_bit = (to + i) % 8;
2792 bfd_byte to_mask = 1 << to_bit;
2793 addr[to_byte] = (addr[to_byte] & ~to_mask)
2794 | ((addr[from_byte] >> from_bit << to_bit) & to_mask);
2798 /* Replace the MASK bits in ADDR with those in INSN, for the next
2799 TILEGX_BUNDLE_SIZE_IN_BYTES bytes. */
2802 tilegx_replace_insn (bfd_byte *addr, const bfd_byte *mask,
2803 const bfd_byte *insn)
2806 for (i = 0; i < TILEGX_BUNDLE_SIZE_IN_BYTES; i++)
2808 addr[i] = (addr[i] & ~mask[i]) | (insn[i] & mask[i]);
2812 /* Mask to extract the bits corresponding to an instruction in a
2813 specific pipe of a bundle. */
2814 static const bfd_byte insn_mask_X1[] = {
2815 0x00, 0x00, 0x00, 0x80, 0xff, 0xff, 0xff, 0x3f
2818 /* Mask to extract the bits corresponding to an instruction in a
2819 specific pipe of a bundle, minus the destination operand and the
2820 first source operand. */
2821 static const bfd_byte insn_mask_X0_no_dest_no_srca[] = {
2822 0x00, 0xf0, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00
2825 static const bfd_byte insn_mask_X1_no_dest_no_srca[] = {
2826 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0x3f
2829 static const bfd_byte insn_mask_Y0_no_dest_no_srca[] = {
2830 0x00, 0xf0, 0x0f, 0x78, 0x00, 0x00, 0x00, 0x00
2832 static const bfd_byte insn_mask_Y1_no_dest_no_srca[] = {
2833 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x07, 0x3c
2836 /* Mask to extract the bits corresponding to an instruction in a
2837 specific pipe of a bundle, minus the register operands. */
2838 static const bfd_byte insn_mask_X0_no_operand[] = {
2839 0x00, 0x00, 0xfc, 0x7f, 0x00, 0x00, 0x00, 0x00
2842 static const bfd_byte insn_mask_X1_no_operand[] = {
2843 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x3f
2846 static const bfd_byte insn_mask_Y0_no_operand[] = {
2847 0x00, 0x00, 0x0c, 0x78, 0x00, 0x00, 0x00, 0x00
2850 static const bfd_byte insn_mask_Y1_no_operand[] = {
2851 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x3c
2854 /* Various instructions synthesized to support tls references. */
2856 /* ld r0, r0 in the X1 pipe, used for tls ie. */
2857 static const bfd_byte insn_tls_ie_ld_X1[] = {
2858 0x00, 0x00, 0x00, 0x00, 0x00, 0xe8, 0x6a, 0x28
2861 /* ld4s r0, r0 in the X1 pipe, used for tls ie. */
2862 static const bfd_byte insn_tls_ie_ld4s_X1[] = {
2863 0x00, 0x00, 0x00, 0x00, 0x00, 0x98, 0x6a, 0x28
2866 /* add r0, r0, tp in various pipes, used for tls ie. */
2867 static const bfd_byte insn_tls_ie_add_X0X1[] = {
2868 0x00, 0x50, 0x0f, 0x50, 0x00, 0xa8, 0x07, 0x28
2870 static const bfd_byte insn_tls_ie_add_Y0Y1[] = {
2871 0x00, 0x50, 0x27, 0x2c, 0x00, 0xa8, 0x13, 0x9a
2874 /* addx r0, r0, tp in various pipes, used for tls ie. */
2875 static const bfd_byte insn_tls_ie_addx_X0X1[] = {
2876 0x00, 0x50, 0x0b, 0x50, 0x00, 0xa8, 0x05, 0x28
2878 static const bfd_byte insn_tls_ie_addx_Y0Y1[] = {
2879 0x00, 0x50, 0x03, 0x2c, 0x00, 0xa8, 0x01, 0x9a
2882 /* move r0, r0 in various pipes, used for tls gd. */
2883 static const bfd_byte insn_tls_gd_add_X0X1[] = {
2884 0x00, 0xf0, 0x07, 0x51, 0x00, 0xf8, 0x3b, 0x28
2886 static const bfd_byte insn_tls_gd_add_Y0Y1[] = {
2887 0x00, 0xf0, 0x0b, 0x54, 0x00, 0xf8, 0x05, 0xae
2890 static const bfd_byte *insn_move_X0X1 = insn_tls_gd_add_X0X1;
2891 static const bfd_byte *insn_move_Y0Y1 = insn_tls_gd_add_Y0Y1;
2893 static const bfd_byte *insn_add_X0X1 = insn_tls_ie_add_X0X1;
2894 static const bfd_byte *insn_add_Y0Y1 = insn_tls_ie_add_Y0Y1;
2896 static const bfd_byte *insn_addx_X0X1 = insn_tls_ie_addx_X0X1;
2897 static const bfd_byte *insn_addx_Y0Y1 = insn_tls_ie_addx_Y0Y1;
2899 /* Relocate an TILEGX ELF section.
2901 The RELOCATE_SECTION function is called by the new ELF backend linker
2902 to handle the relocations for a section.
2904 The relocs are always passed as Rela structures.
2906 This function is responsible for adjusting the section contents as
2907 necessary, and (if generating a relocatable output file) adjusting
2908 the reloc addend as necessary.
2910 This function does not have to worry about setting the reloc
2911 address or the reloc symbol index.
2913 LOCAL_SYMS is a pointer to the swapped in local symbols.
2915 LOCAL_SECTIONS is an array giving the section in the input file
2916 corresponding to the st_shndx field of each local symbol.
2918 The global hash table entry for the global symbols can be found
2919 via elf_sym_hashes (input_bfd).
2921 When generating relocatable output, this function must handle
2922 STB_LOCAL/STT_SECTION symbols specially. The output symbol is
2923 going to be the section symbol corresponding to the output
2924 section, which means that the addend must be adjusted
2928 tilegx_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
2929 bfd *input_bfd, asection *input_section,
2930 bfd_byte *contents, Elf_Internal_Rela *relocs,
2931 Elf_Internal_Sym *local_syms,
2932 asection **local_sections)
2934 struct tilegx_elf_link_hash_table *htab;
2935 Elf_Internal_Shdr *symtab_hdr;
2936 struct elf_link_hash_entry **sym_hashes;
2937 bfd_vma *local_got_offsets;
2940 Elf_Internal_Rela *rel;
2941 Elf_Internal_Rela *relend;
2944 htab = tilegx_elf_hash_table (info);
2945 BFD_ASSERT (htab != NULL);
2946 symtab_hdr = &elf_symtab_hdr (input_bfd);
2947 sym_hashes = elf_sym_hashes (input_bfd);
2948 local_got_offsets = elf_local_got_offsets (input_bfd);
2950 if (elf_hash_table (info)->hgot == NULL)
2953 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2955 sreloc = elf_section_data (input_section)->sreloc;
2958 num_relocs = input_section->reloc_count;
2959 relend = relocs + num_relocs;
2960 for (; rel < relend; rel++)
2962 int r_type, tls_type;
2963 bfd_boolean is_tls_iele, is_tls_le;
2964 reloc_howto_type *howto;
2965 unsigned long r_symndx;
2966 struct elf_link_hash_entry *h;
2967 Elf_Internal_Sym *sym;
2968 tilegx_create_func create_func;
2971 bfd_reloc_status_type r;
2974 bfd_boolean is_plt = FALSE;
2975 bfd_boolean resolved_to_zero;
2976 bfd_boolean unresolved_reloc;
2978 r_type = TILEGX_ELF_R_TYPE (rel->r_info);
2979 if (r_type == R_TILEGX_GNU_VTINHERIT
2980 || r_type == R_TILEGX_GNU_VTENTRY)
2983 if ((unsigned int)r_type >= ARRAY_SIZE (tilegx_elf_howto_table))
2984 return _bfd_unrecognized_reloc (input_bfd, input_section, r_type);
2986 howto = tilegx_elf_howto_table + r_type;
2988 /* This is a final link. */
2989 r_symndx = TILEGX_ELF_R_SYMNDX (htab, rel->r_info);
2993 unresolved_reloc = FALSE;
2994 if (r_symndx < symtab_hdr->sh_info)
2996 sym = local_syms + r_symndx;
2997 sec = local_sections[r_symndx];
2998 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
3002 bfd_boolean warned ATTRIBUTE_UNUSED;
3003 bfd_boolean ignored ATTRIBUTE_UNUSED;
3005 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
3006 r_symndx, symtab_hdr, sym_hashes,
3008 unresolved_reloc, warned, ignored);
3011 /* To avoid generating warning messages about truncated
3012 relocations, set the relocation's address to be the same as
3013 the start of this section. */
3014 if (input_section->output_section != NULL)
3015 relocation = input_section->output_section->vma;
3021 if (sec != NULL && discarded_section (sec))
3022 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
3023 rel, 1, relend, howto, 0, contents);
3025 if (bfd_link_relocatable (info))
3029 name = h->root.root.string;
3032 name = (bfd_elf_string_from_elf_section
3033 (input_bfd, symtab_hdr->sh_link, sym->st_name));
3034 if (name == NULL || *name == '\0')
3035 name = bfd_section_name (input_bfd, sec);
3040 case R_TILEGX_TLS_GD_CALL:
3041 case R_TILEGX_IMM8_X0_TLS_GD_ADD:
3042 case R_TILEGX_IMM8_Y0_TLS_GD_ADD:
3043 case R_TILEGX_IMM8_X1_TLS_GD_ADD:
3044 case R_TILEGX_IMM8_Y1_TLS_GD_ADD:
3045 case R_TILEGX_IMM8_X0_TLS_ADD:
3046 case R_TILEGX_IMM8_Y0_TLS_ADD:
3047 case R_TILEGX_IMM8_X1_TLS_ADD:
3048 case R_TILEGX_IMM8_Y1_TLS_ADD:
3049 tls_type = GOT_UNKNOWN;
3050 if (h == NULL && local_got_offsets)
3052 _bfd_tilegx_elf_local_got_tls_type (input_bfd) [r_symndx];
3054 tls_type = tilegx_elf_hash_entry(h)->tls_type;
3056 is_tls_iele = (bfd_link_executable (info) || tls_type == GOT_TLS_IE);
3057 is_tls_le = is_tls_iele && (!input_section->sec_flg0
3058 && bfd_link_executable (info)
3059 && (h == NULL || h->dynindx == -1));
3061 if (r_type == R_TILEGX_TLS_GD_CALL)
3066 tilegx_replace_insn (contents + rel->r_offset,
3067 insn_mask_X1, insn_move_X0X1);
3070 else if (is_tls_iele)
3073 if (ABI_64_P (output_bfd))
3074 tilegx_replace_insn (contents + rel->r_offset,
3075 insn_mask_X1, insn_tls_ie_ld_X1);
3077 tilegx_replace_insn (contents + rel->r_offset,
3078 insn_mask_X1, insn_tls_ie_ld4s_X1);
3083 h = (struct elf_link_hash_entry *)
3084 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3086 BFD_ASSERT (h != NULL);
3087 r_type = R_TILEGX_JUMPOFF_X1_PLT;
3088 howto = tilegx_elf_howto_table + r_type;
3090 else if (r_type == R_TILEGX_IMM8_X0_TLS_ADD
3091 || r_type == R_TILEGX_IMM8_X1_TLS_ADD
3092 || r_type == R_TILEGX_IMM8_Y0_TLS_ADD
3093 || r_type == R_TILEGX_IMM8_Y1_TLS_ADD)
3095 bfd_boolean is_pipe0 =
3096 (r_type == R_TILEGX_IMM8_X0_TLS_ADD
3097 || r_type == R_TILEGX_IMM8_Y0_TLS_ADD);
3098 bfd_boolean is_X0X1 =
3099 (r_type == R_TILEGX_IMM8_X0_TLS_ADD
3100 || r_type == R_TILEGX_IMM8_X1_TLS_ADD);
3101 int dest_begin = is_pipe0 ? 0 : 31;
3103 const bfd_byte *insn;
3104 const bfd_byte *mask = NULL;
3108 /* 1. copy dest operand into the first source operand.
3109 2. change the opcode to "move". */
3110 src_begin = is_pipe0 ? 6 : 37;
3111 insn = is_X0X1 ? insn_move_X0X1 : insn_move_Y0Y1;
3115 case R_TILEGX_IMM8_X0_TLS_ADD:
3116 mask = insn_mask_X0_no_dest_no_srca;
3118 case R_TILEGX_IMM8_X1_TLS_ADD:
3119 mask = insn_mask_X1_no_dest_no_srca;
3121 case R_TILEGX_IMM8_Y0_TLS_ADD:
3122 mask = insn_mask_Y0_no_dest_no_srca;
3124 case R_TILEGX_IMM8_Y1_TLS_ADD:
3125 mask = insn_mask_Y1_no_dest_no_srca;
3131 /* 1. copy dest operand into the second source operand.
3132 2. change the opcode to "add". */
3133 src_begin = is_pipe0 ? 12 : 43;
3134 if (ABI_64_P (output_bfd))
3135 insn = is_X0X1 ? insn_add_X0X1 : insn_add_Y0Y1;
3137 insn = is_X0X1 ? insn_addx_X0X1 : insn_addx_Y0Y1;
3141 case R_TILEGX_IMM8_X0_TLS_ADD:
3142 mask = insn_mask_X0_no_operand;
3144 case R_TILEGX_IMM8_X1_TLS_ADD:
3145 mask = insn_mask_X1_no_operand;
3147 case R_TILEGX_IMM8_Y0_TLS_ADD:
3148 mask = insn_mask_Y0_no_operand;
3150 case R_TILEGX_IMM8_Y1_TLS_ADD:
3151 mask = insn_mask_Y1_no_operand;
3156 tilegx_copy_bits (contents + rel->r_offset, dest_begin,
3158 tilegx_replace_insn (contents + rel->r_offset, mask, insn);
3164 const bfd_byte *mask = NULL;
3165 const bfd_byte *add_insn = NULL;
3166 bfd_boolean is_64bit = ABI_64_P (output_bfd);
3170 case R_TILEGX_IMM8_X0_TLS_GD_ADD:
3171 add_insn = is_tls_iele
3172 ? (is_64bit ? insn_tls_ie_add_X0X1 : insn_tls_ie_addx_X0X1)
3173 : insn_tls_gd_add_X0X1;
3174 mask = insn_mask_X0_no_dest_no_srca;
3176 case R_TILEGX_IMM8_X1_TLS_GD_ADD:
3177 add_insn = is_tls_iele
3178 ? (is_64bit ? insn_tls_ie_add_X0X1 : insn_tls_ie_addx_X0X1)
3179 : insn_tls_gd_add_X0X1;
3180 mask = insn_mask_X1_no_dest_no_srca;
3182 case R_TILEGX_IMM8_Y0_TLS_GD_ADD:
3183 add_insn = is_tls_iele
3184 ? (is_64bit ? insn_tls_ie_add_Y0Y1 : insn_tls_ie_addx_Y0Y1)
3185 : insn_tls_gd_add_Y0Y1;
3186 mask = insn_mask_Y0_no_dest_no_srca;
3188 case R_TILEGX_IMM8_Y1_TLS_GD_ADD:
3189 add_insn = is_tls_iele
3190 ? (is_64bit ? insn_tls_ie_add_Y0Y1 : insn_tls_ie_addx_Y0Y1)
3191 : insn_tls_gd_add_Y0Y1;
3192 mask = insn_mask_Y1_no_dest_no_srca;
3196 tilegx_replace_insn (contents + rel->r_offset, mask, add_insn);
3201 case R_TILEGX_TLS_IE_LOAD:
3202 if (!input_section->sec_flg0
3203 && bfd_link_executable (info)
3204 && (h == NULL || h->dynindx == -1))
3207 tilegx_replace_insn (contents + rel->r_offset,
3208 insn_mask_X1_no_dest_no_srca,
3214 if (ABI_64_P (output_bfd))
3215 tilegx_replace_insn (contents + rel->r_offset,
3216 insn_mask_X1_no_dest_no_srca,
3219 tilegx_replace_insn (contents + rel->r_offset,
3220 insn_mask_X1_no_dest_no_srca,
3221 insn_tls_ie_ld4s_X1);
3229 resolved_to_zero = (h != NULL
3230 && UNDEFWEAK_NO_DYNAMIC_RELOC (info, h));
3234 case R_TILEGX_IMM16_X0_HW0_GOT:
3235 case R_TILEGX_IMM16_X1_HW0_GOT:
3236 case R_TILEGX_IMM16_X0_HW0_LAST_GOT:
3237 case R_TILEGX_IMM16_X1_HW0_LAST_GOT:
3238 case R_TILEGX_IMM16_X0_HW1_LAST_GOT:
3239 case R_TILEGX_IMM16_X1_HW1_LAST_GOT:
3240 /* Relocation is to the entry for this symbol in the global
3242 if (htab->elf.sgot == NULL)
3249 off = h->got.offset;
3250 BFD_ASSERT (off != (bfd_vma) -1);
3251 dyn = elf_hash_table (info)->dynamic_sections_created;
3253 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3254 bfd_link_pic (info),
3256 || (bfd_link_pic (info)
3257 && SYMBOL_REFERENCES_LOCAL (info, h)))
3259 /* This is actually a static link, or it is a
3260 -Bsymbolic link and the symbol is defined
3261 locally, or the symbol was forced to be local
3262 because of a version file. We must initialize
3263 this entry in the global offset table. Since the
3264 offset must always be a multiple
3265 of 8 for 64-bit, we use the least significant bit
3266 to record whether we have initialized it already.
3268 When doing a dynamic link, we create a .rela.got
3269 relocation entry to initialize the value. This
3270 is done in the finish_dynamic_symbol routine. */
3275 TILEGX_ELF_PUT_WORD (htab, output_bfd, relocation,
3276 htab->elf.sgot->contents + off);
3281 unresolved_reloc = FALSE;
3285 BFD_ASSERT (local_got_offsets != NULL
3286 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3288 off = local_got_offsets[r_symndx];
3290 /* The offset must always be a multiple of 8 on 64-bit.
3291 We use the least significant bit to record
3292 whether we have already processed this entry. */
3297 if (bfd_link_pic (info))
3300 Elf_Internal_Rela outrel;
3302 /* We need to generate a R_TILEGX_RELATIVE reloc
3303 for the dynamic linker. */
3304 s = htab->elf.srelgot;
3305 BFD_ASSERT (s != NULL);
3307 outrel.r_offset = (htab->elf.sgot->output_section->vma
3308 + htab->elf.sgot->output_offset
3311 TILEGX_ELF_R_INFO (htab, NULL, 0, R_TILEGX_RELATIVE);
3312 outrel.r_addend = relocation;
3314 tilegx_elf_append_rela (output_bfd, s, &outrel);
3317 TILEGX_ELF_PUT_WORD (htab, output_bfd, relocation,
3318 htab->elf.sgot->contents + off);
3319 local_got_offsets[r_symndx] |= 1;
3322 relocation = off - got_base;
3325 case R_TILEGX_JUMPOFF_X1_PLT:
3326 case R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
3327 case R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
3328 case R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
3329 case R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
3330 case R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
3331 case R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
3332 case R_TILEGX_IMM16_X0_HW3_PLT_PCREL:
3333 case R_TILEGX_IMM16_X1_HW3_PLT_PCREL:
3334 case R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
3335 case R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
3336 case R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
3337 case R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
3338 case R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
3339 case R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
3340 /* Relocation is to the entry for this symbol in the
3341 procedure linkage table. */
3342 BFD_ASSERT (h != NULL);
3344 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3346 /* We didn't make a PLT entry for this symbol. This
3347 happens when statically linking PIC code, or when
3348 using -Bsymbolic. */
3352 relocation = (htab->elf.splt->output_section->vma
3353 + htab->elf.splt->output_offset
3355 unresolved_reloc = FALSE;
3358 case R_TILEGX_64_PCREL:
3359 case R_TILEGX_32_PCREL:
3360 case R_TILEGX_16_PCREL:
3361 case R_TILEGX_8_PCREL:
3362 case R_TILEGX_IMM16_X0_HW0_PCREL:
3363 case R_TILEGX_IMM16_X1_HW0_PCREL:
3364 case R_TILEGX_IMM16_X0_HW1_PCREL:
3365 case R_TILEGX_IMM16_X1_HW1_PCREL:
3366 case R_TILEGX_IMM16_X0_HW2_PCREL:
3367 case R_TILEGX_IMM16_X1_HW2_PCREL:
3368 case R_TILEGX_IMM16_X0_HW3_PCREL:
3369 case R_TILEGX_IMM16_X1_HW3_PCREL:
3370 case R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
3371 case R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
3372 case R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
3373 case R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
3374 case R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
3375 case R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
3377 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3388 case R_TILEGX_HW0_LAST:
3389 case R_TILEGX_HW1_LAST:
3390 case R_TILEGX_HW2_LAST:
3392 case R_TILEGX_GLOB_DAT:
3393 case R_TILEGX_JMP_SLOT:
3394 case R_TILEGX_RELATIVE:
3395 case R_TILEGX_BROFF_X1:
3396 case R_TILEGX_JUMPOFF_X1:
3397 case R_TILEGX_IMM8_X0:
3398 case R_TILEGX_IMM8_Y0:
3399 case R_TILEGX_IMM8_X1:
3400 case R_TILEGX_IMM8_Y1:
3401 case R_TILEGX_DEST_IMM8_X1:
3402 case R_TILEGX_MT_IMM14_X1:
3403 case R_TILEGX_MF_IMM14_X1:
3404 case R_TILEGX_MMSTART_X0:
3405 case R_TILEGX_MMEND_X0:
3406 case R_TILEGX_SHAMT_X0:
3407 case R_TILEGX_SHAMT_X1:
3408 case R_TILEGX_SHAMT_Y0:
3409 case R_TILEGX_SHAMT_Y1:
3410 case R_TILEGX_IMM16_X0_HW0:
3411 case R_TILEGX_IMM16_X1_HW0:
3412 case R_TILEGX_IMM16_X0_HW1:
3413 case R_TILEGX_IMM16_X1_HW1:
3414 case R_TILEGX_IMM16_X0_HW2:
3415 case R_TILEGX_IMM16_X1_HW2:
3416 case R_TILEGX_IMM16_X0_HW3:
3417 case R_TILEGX_IMM16_X1_HW3:
3418 case R_TILEGX_IMM16_X0_HW0_LAST:
3419 case R_TILEGX_IMM16_X1_HW0_LAST:
3420 case R_TILEGX_IMM16_X0_HW1_LAST:
3421 case R_TILEGX_IMM16_X1_HW1_LAST:
3422 case R_TILEGX_IMM16_X0_HW2_LAST:
3423 case R_TILEGX_IMM16_X1_HW2_LAST:
3424 if ((input_section->flags & SEC_ALLOC) == 0)
3427 if ((bfd_link_pic (info)
3429 || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3430 && !resolved_to_zero)
3431 || h->root.type != bfd_link_hash_undefweak)
3432 && (! howto->pc_relative
3433 || !SYMBOL_CALLS_LOCAL (info, h)))
3434 || (!bfd_link_pic (info)
3440 || h->root.type == bfd_link_hash_undefweak
3441 || h->root.type == bfd_link_hash_undefined)))
3443 Elf_Internal_Rela outrel;
3444 bfd_boolean skip, relocate = FALSE;
3446 /* When generating a shared object, these relocations
3447 are copied into the output file to be resolved at run
3450 BFD_ASSERT (sreloc != NULL);
3455 _bfd_elf_section_offset (output_bfd, info, input_section,
3457 if (outrel.r_offset == (bfd_vma) -1)
3459 else if (outrel.r_offset == (bfd_vma) -2)
3460 skip = TRUE, relocate = TRUE;
3461 outrel.r_offset += (input_section->output_section->vma
3462 + input_section->output_offset);
3466 case R_TILEGX_64_PCREL:
3467 case R_TILEGX_32_PCREL:
3468 case R_TILEGX_16_PCREL:
3469 case R_TILEGX_8_PCREL:
3470 /* If the symbol is not dynamic, we should not keep
3471 a dynamic relocation. But an .rela.* slot has been
3472 allocated for it, output R_TILEGX_NONE.
3473 FIXME: Add code tracking needed dynamic relocs as
3475 if (h->dynindx == -1)
3476 skip = TRUE, relocate = TRUE;
3481 memset (&outrel, 0, sizeof outrel);
3482 /* h->dynindx may be -1 if the symbol was marked to
3484 else if (h != NULL &&
3487 || !bfd_link_pic (info)
3488 || !SYMBOLIC_BIND (info, h)
3489 || !h->def_regular))
3491 BFD_ASSERT (h->dynindx != -1);
3492 outrel.r_info = TILEGX_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3493 outrel.r_addend = rel->r_addend;
3497 if (r_type == R_TILEGX_32 || r_type == R_TILEGX_64)
3499 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0,
3501 outrel.r_addend = relocation + rel->r_addend;
3507 outrel.r_addend = relocation + rel->r_addend;
3510 sec = htab->elf.splt;
3512 if (bfd_is_abs_section (sec))
3514 else if (sec == NULL || sec->owner == NULL)
3516 bfd_set_error (bfd_error_bad_value);
3523 /* We are turning this relocation into one
3524 against a section symbol. It would be
3525 proper to subtract the symbol's value,
3526 osec->vma, from the emitted reloc addend,
3527 but ld.so expects buggy relocs. */
3528 osec = sec->output_section;
3529 indx = elf_section_data (osec)->dynindx;
3533 osec = htab->elf.text_index_section;
3534 indx = elf_section_data (osec)->dynindx;
3537 /* FIXME: we really should be able to link non-pic
3538 shared libraries. */
3543 (_("%pB: probably compiled without -fPIC?"),
3545 bfd_set_error (bfd_error_bad_value);
3550 outrel.r_info = TILEGX_ELF_R_INFO (htab, rel, indx,
3555 tilegx_elf_append_rela (output_bfd, sreloc, &outrel);
3557 /* This reloc will be computed at runtime, so there's no
3558 need to do anything now. */
3564 case R_TILEGX_IMM16_X0_HW0_TLS_LE:
3565 case R_TILEGX_IMM16_X1_HW0_TLS_LE:
3566 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
3567 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
3568 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
3569 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
3570 if (!bfd_link_executable (info))
3572 Elf_Internal_Rela outrel;
3575 BFD_ASSERT (sreloc != NULL);
3578 _bfd_elf_section_offset (output_bfd, info, input_section,
3580 if (outrel.r_offset == (bfd_vma) -1)
3582 else if (outrel.r_offset == (bfd_vma) -2)
3584 outrel.r_offset += (input_section->output_section->vma
3585 + input_section->output_offset);
3587 memset (&outrel, 0, sizeof outrel);
3590 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0, r_type);
3591 outrel.r_addend = relocation - dtpoff_base (info)
3595 tilegx_elf_append_rela (output_bfd, sreloc, &outrel);
3598 relocation = tpoff (info, relocation);
3601 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
3602 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
3603 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
3604 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
3605 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
3606 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
3607 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
3608 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
3609 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
3610 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
3611 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
3612 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
3613 r_type = tilegx_elf_tls_transition (info, r_type, h == NULL,
3614 input_section->sec_flg0);
3615 tls_type = GOT_UNKNOWN;
3616 if (h == NULL && local_got_offsets)
3618 _bfd_tilegx_elf_local_got_tls_type (input_bfd) [r_symndx];
3621 tls_type = tilegx_elf_hash_entry(h)->tls_type;
3622 if (bfd_link_executable (info)
3624 && tls_type == GOT_TLS_IE)
3625 r_type = (!input_section->sec_flg0
3626 ? tilegx_tls_translate_to_le (r_type)
3627 : tilegx_tls_translate_to_ie (r_type));
3630 if (tls_type == GOT_TLS_IE)
3631 r_type = tilegx_tls_translate_to_ie (r_type);
3633 if (r_type == R_TILEGX_IMM16_X0_HW0_TLS_LE
3634 || r_type == R_TILEGX_IMM16_X1_HW0_TLS_LE
3635 || r_type == R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE
3636 || r_type == R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE
3637 || r_type == R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE
3638 || r_type == R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE)
3640 relocation = tpoff (info, relocation);
3646 off = h->got.offset;
3651 BFD_ASSERT (local_got_offsets != NULL);
3652 off = local_got_offsets[r_symndx];
3653 local_got_offsets[r_symndx] |= 1;
3656 if (htab->elf.sgot == NULL)
3663 Elf_Internal_Rela outrel;
3665 bfd_boolean need_relocs = FALSE;
3667 if (htab->elf.srelgot == NULL)
3673 dyn = htab->elf.dynamic_sections_created;
3675 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3676 bfd_link_pic (info),
3678 && (!bfd_link_pic (info)
3679 || !SYMBOL_REFERENCES_LOCAL (info, h)))
3685 /* The GOT entries have not been initialized yet. Do it
3686 now, and emit any relocations. */
3687 if ((bfd_link_pic (info) || indx != 0)
3689 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3690 || h->root.type != bfd_link_hash_undefweak))
3695 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
3696 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
3697 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
3698 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
3699 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
3700 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
3702 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3703 htab->elf.sgot->contents + off);
3704 outrel.r_offset = (htab->elf.sgot->output_section->vma
3705 + htab->elf.sgot->output_offset + off);
3706 outrel.r_addend = 0;
3708 outrel.r_addend = relocation - dtpoff_base (info);
3709 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
3710 TILEGX_ELF_TPOFF_RELOC (htab));
3711 tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3713 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3714 tpoff (info, relocation),
3715 htab->elf.sgot->contents + off);
3719 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
3720 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
3721 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
3722 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
3723 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
3724 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
3726 outrel.r_offset = (htab->elf.sgot->output_section->vma
3727 + htab->elf.sgot->output_offset + off);
3728 outrel.r_addend = 0;
3729 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
3730 TILEGX_ELF_DTPMOD_RELOC (htab));
3731 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3732 htab->elf.sgot->contents + off);
3733 tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3736 BFD_ASSERT (! unresolved_reloc);
3737 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3738 relocation - dtpoff_base (info),
3739 (htab->elf.sgot->contents + off +
3740 TILEGX_ELF_WORD_BYTES (htab)));
3744 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3745 (htab->elf.sgot->contents + off +
3746 TILEGX_ELF_WORD_BYTES (htab)));
3747 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
3748 TILEGX_ELF_DTPOFF_RELOC (htab));
3749 outrel.r_offset += TILEGX_ELF_WORD_BYTES (htab);
3750 tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3755 /* If we are not emitting relocations for a
3756 general dynamic reference, then we must be in a
3757 static link or an executable link with the
3758 symbol binding locally. Mark it as belonging
3759 to module 1, the executable. */
3760 TILEGX_ELF_PUT_WORD (htab, output_bfd, 1,
3761 htab->elf.sgot->contents + off );
3762 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3763 relocation - dtpoff_base (info),
3764 htab->elf.sgot->contents + off +
3765 TILEGX_ELF_WORD_BYTES (htab));
3771 if (off >= (bfd_vma) -2)
3774 relocation = off - got_base;
3775 unresolved_reloc = FALSE;
3776 howto = tilegx_elf_howto_table + r_type;
3783 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3784 because such sections are not SEC_ALLOC and thus ld.so will
3785 not process them. */
3786 if (unresolved_reloc
3787 && !((input_section->flags & SEC_DEBUGGING) != 0
3789 && _bfd_elf_section_offset (output_bfd, info, input_section,
3790 rel->r_offset) != (bfd_vma) -1)
3792 /* xgettext:c-format */
3793 (_("%pB(%pA+%#" PRIx64 "): "
3794 "unresolvable %s relocation against symbol `%s'"),
3797 (uint64_t) rel->r_offset,
3799 h->root.root.string);
3801 r = bfd_reloc_continue;
3803 /* Get the operand creation function, if any. */
3804 create_func = reloc_to_create_func[r_type];
3805 if (create_func == NULL)
3807 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3808 contents, rel->r_offset,
3809 relocation, rel->r_addend);
3813 if (howto->pc_relative)
3816 input_section->output_section->vma + input_section->output_offset;
3817 if (howto->pcrel_offset)
3818 relocation -= rel->r_offset;
3823 /* Add the relocation addend if any to the final target value */
3824 relocation += rel->r_addend;
3826 /* Do basic range checking */
3827 r = bfd_check_overflow (howto->complain_on_overflow,
3830 TILEGX_ELF_WORD_BYTES (htab) * 8,
3834 * Write the relocated value out into the raw section data.
3835 * Don't put a relocation out in the .rela section.
3837 tilegx_bundle_bits mask = create_func(-1);
3838 tilegx_bundle_bits value = create_func(relocation >> howto->rightshift);
3840 /* Only touch bytes while the mask is not 0, so we
3841 don't write to out of bounds memory if this is actually
3842 a 16-bit switch instruction. */
3843 for (data = contents + rel->r_offset; mask != 0; data++)
3845 bfd_byte byte_mask = (bfd_byte)mask;
3846 *data = (*data & ~byte_mask) | ((bfd_byte)value & byte_mask);
3852 if (r != bfd_reloc_ok)
3854 const char *msg = NULL;
3858 case bfd_reloc_overflow:
3859 (*info->callbacks->reloc_overflow)
3860 (info, (h ? &h->root : NULL), name, howto->name,
3861 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
3864 case bfd_reloc_undefined:
3865 (*info->callbacks->undefined_symbol)
3866 (info, name, input_bfd, input_section, rel->r_offset, TRUE);
3869 case bfd_reloc_outofrange:
3870 msg = _("internal error: out of range error");
3873 case bfd_reloc_notsupported:
3874 msg = _("internal error: unsupported relocation error");
3877 case bfd_reloc_dangerous:
3878 msg = _("internal error: dangerous relocation");
3882 msg = _("internal error: unknown error");
3887 (*info->callbacks->warning) (info, msg, name, input_bfd,
3888 input_section, rel->r_offset);
3895 /* Finish up dynamic symbol handling. We set the contents of various
3896 dynamic sections here. */
3899 tilegx_elf_finish_dynamic_symbol (bfd *output_bfd,
3900 struct bfd_link_info *info,
3901 struct elf_link_hash_entry *h,
3902 Elf_Internal_Sym *sym)
3904 struct tilegx_elf_link_hash_table *htab;
3906 htab = tilegx_elf_hash_table (info);
3907 BFD_ASSERT (htab != NULL);
3909 if (h->plt.offset != (bfd_vma) -1)
3914 Elf_Internal_Rela rela;
3917 const struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
3922 /* This symbol has an entry in the PLT. Set it up. */
3924 BFD_ASSERT (h->dynindx != -1);
3926 splt = htab->elf.splt;
3927 srela = htab->elf.srelplt;
3928 sgotplt = htab->elf.sgotplt;
3930 if (splt == NULL || srela == NULL)
3933 /* Fill in the entry in the procedure linkage table. */
3934 rela_index = tilegx_plt_entry_build (output_bfd, htab, splt, sgotplt,
3935 h->plt.offset, &r_offset);
3937 /* Fill in the entry in the global offset table, which initially points
3938 to the beginning of the plt. */
3939 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3940 splt->output_section->vma + splt->output_offset,
3941 sgotplt->contents + r_offset);
3943 /* Fill in the entry in the .rela.plt section. */
3944 rela.r_offset = (sgotplt->output_section->vma
3945 + sgotplt->output_offset
3948 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_JMP_SLOT);
3950 loc = srela->contents + rela_index * TILEGX_ELF_RELA_BYTES (htab);
3951 bed->s->swap_reloca_out (output_bfd, &rela, loc);
3953 if (!h->def_regular)
3955 /* Mark the symbol as undefined, rather than as defined in
3956 the .plt section. Leave the value alone. */
3957 sym->st_shndx = SHN_UNDEF;
3958 /* If the symbol is weak, we do need to clear the value.
3959 Otherwise, the PLT entry would provide a definition for
3960 the symbol even if the symbol wasn't defined anywhere,
3961 and so the symbol would never be NULL. */
3962 if (!h->ref_regular_nonweak)
3967 if (h->got.offset != (bfd_vma) -1
3968 && tilegx_elf_hash_entry(h)->tls_type != GOT_TLS_GD
3969 && tilegx_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
3973 Elf_Internal_Rela rela;
3975 /* This symbol has an entry in the GOT. Set it up. */
3977 sgot = htab->elf.sgot;
3978 srela = htab->elf.srelgot;
3979 BFD_ASSERT (sgot != NULL && srela != NULL);
3981 rela.r_offset = (sgot->output_section->vma
3982 + sgot->output_offset
3983 + (h->got.offset &~ (bfd_vma) 1));
3985 /* If this is a -Bsymbolic link, and the symbol is defined
3986 locally, we just want to emit a RELATIVE reloc. Likewise if
3987 the symbol was forced to be local because of a version file.
3988 The entry in the global offset table will already have been
3989 initialized in the relocate_section function. */
3990 if (bfd_link_pic (info)
3991 && (info->symbolic || h->dynindx == -1)
3994 asection *sec = h->root.u.def.section;
3995 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0, R_TILEGX_RELATIVE);
3996 rela.r_addend = (h->root.u.def.value
3997 + sec->output_section->vma
3998 + sec->output_offset);
4002 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_GLOB_DAT);
4006 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
4007 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
4008 tilegx_elf_append_rela (output_bfd, srela, &rela);
4014 Elf_Internal_Rela rela;
4016 /* This symbols needs a copy reloc. Set it up. */
4017 BFD_ASSERT (h->dynindx != -1);
4019 if (h->root.u.def.section == htab->elf.sdynrelro)
4020 s = htab->elf.sreldynrelro;
4022 s = htab->elf.srelbss;
4023 BFD_ASSERT (s != NULL);
4025 rela.r_offset = (h->root.u.def.value
4026 + h->root.u.def.section->output_section->vma
4027 + h->root.u.def.section->output_offset);
4028 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_COPY);
4030 tilegx_elf_append_rela (output_bfd, s, &rela);
4033 /* Mark some specially defined symbols as absolute. */
4034 if (h == htab->elf.hdynamic
4035 || (h == htab->elf.hgot || h == htab->elf.hplt))
4036 sym->st_shndx = SHN_ABS;
4041 /* Finish up the dynamic sections. */
4044 tilegx_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4045 bfd *dynobj, asection *sdyn,
4046 asection *splt ATTRIBUTE_UNUSED)
4048 struct tilegx_elf_link_hash_table *htab;
4049 const struct elf_backend_data *bed;
4050 bfd_byte *dyncon, *dynconend;
4053 htab = tilegx_elf_hash_table (info);
4054 BFD_ASSERT (htab != NULL);
4055 bed = get_elf_backend_data (output_bfd);
4056 dynsize = bed->s->sizeof_dyn;
4057 dynconend = sdyn->contents + sdyn->size;
4059 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4061 Elf_Internal_Dyn dyn;
4064 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4069 s = htab->elf.sgotplt;
4070 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4073 s = htab->elf.srelplt;
4074 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4077 s = htab->elf.srelplt;
4078 dyn.d_un.d_val = s->size;
4084 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4090 tilegx_elf_finish_dynamic_sections (bfd *output_bfd,
4091 struct bfd_link_info *info)
4095 struct tilegx_elf_link_hash_table *htab;
4098 htab = tilegx_elf_hash_table (info);
4099 BFD_ASSERT (htab != NULL);
4100 dynobj = htab->elf.dynobj;
4102 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4104 if (elf_hash_table (info)->dynamic_sections_created)
4109 splt = htab->elf.splt;
4110 BFD_ASSERT (splt != NULL && sdyn != NULL);
4112 ret = tilegx_finish_dyn (output_bfd, info, dynobj, sdyn, splt);
4117 /* Fill in the head and tail entries in the procedure linkage table. */
4120 memcpy (splt->contents,
4121 ABI_64_P (output_bfd) ?
4122 tilegx64_plt0_entry : tilegx32_plt0_entry,
4125 memcpy (splt->contents + splt->size
4126 - PLT_ENTRY_SIZE + PLT_HEADER_SIZE,
4127 ABI_64_P (output_bfd) ?
4128 tilegx64_plt_tail_entry : tilegx32_plt_tail_entry,
4130 /* Add padding so that the plt section is a multiple of its
4132 pad_size = PLT_ENTRY_SIZE - PLT_HEADER_SIZE - PLT_TAIL_SIZE;
4133 memset (splt->contents + splt->size - pad_size, 0, pad_size);
4135 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4140 if (htab->elf.sgotplt)
4142 if (bfd_is_abs_section (htab->elf.sgotplt->output_section))
4145 (_("discarded output section: `%pA'"), htab->elf.sgotplt);
4149 if (htab->elf.sgotplt->size > 0)
4151 /* Write the first two entries in .got.plt, needed for the dynamic
4153 TILEGX_ELF_PUT_WORD (htab, output_bfd, (bfd_vma) -1,
4154 htab->elf.sgotplt->contents);
4155 TILEGX_ELF_PUT_WORD (htab, output_bfd, (bfd_vma) 0,
4156 htab->elf.sgotplt->contents
4157 + GOT_ENTRY_SIZE (htab));
4159 elf_section_data (htab->elf.sgotplt->output_section)->this_hdr.sh_entsize =
4160 GOT_ENTRY_SIZE (htab);
4166 if (htab->elf.sgot->size > 0)
4168 /* Set the first entry in the global offset table to the address of
4169 the dynamic section. */
4170 bfd_vma val = (sdyn ?
4171 sdyn->output_section->vma + sdyn->output_offset :
4173 TILEGX_ELF_PUT_WORD (htab, output_bfd, val,
4174 htab->elf.sgot->contents);
4176 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4177 GOT_ENTRY_SIZE (htab);
4186 /* Return address for Ith PLT stub in section PLT, for relocation REL
4187 or (bfd_vma) -1 if it should not be included. */
4190 tilegx_elf_plt_sym_val (bfd_vma i, const asection *plt,
4191 const arelent *rel ATTRIBUTE_UNUSED)
4193 return plt->vma + PLT_HEADER_SIZE + i * PLT_ENTRY_SIZE;
4196 enum elf_reloc_type_class
4197 tilegx_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
4198 const asection *rel_sec ATTRIBUTE_UNUSED,
4199 const Elf_Internal_Rela *rela)
4201 switch ((int) TILEGX_ELF_R_TYPE (rela->r_info))
4203 case R_TILEGX_RELATIVE:
4204 return reloc_class_relative;
4205 case R_TILEGX_JMP_SLOT:
4206 return reloc_class_plt;
4208 return reloc_class_copy;
4210 return reloc_class_normal;
4215 tilegx_additional_program_headers (bfd *abfd,
4216 struct bfd_link_info *info ATTRIBUTE_UNUSED)
4218 /* Each .intrpt section specified by the user adds another PT_LOAD
4219 header since the sections are discontiguous. */
4220 static const char intrpt_sections[4][9] =
4222 ".intrpt0", ".intrpt1", ".intrpt2", ".intrpt3"
4227 for (i = 0; i < 4; i++)
4229 asection *sec = bfd_get_section_by_name (abfd, intrpt_sections[i]);
4230 if (sec != NULL && (sec->flags & SEC_LOAD) != 0)
4234 /* Add four "padding" headers in to leave room in case a custom linker
4235 script does something fancy. Otherwise ld complains that it ran
4236 out of program headers and refuses to link. */
4244 _bfd_tilegx_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
4246 bfd *obfd = info->output_bfd;
4247 const char *targ1 = bfd_get_target (ibfd);
4248 const char *targ2 = bfd_get_target (obfd);
4250 if (strcmp (targ1, targ2) != 0)
4253 /* xgettext:c-format */
4254 (_("%pB: cannot link together %s and %s objects"),
4255 ibfd, targ1, targ2);
4256 bfd_set_error (bfd_error_bad_value);