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gdb: fix typo "breapoint" -> "breakpoint"
[deliverable/binutils-gdb.git] / bfd / elfxx-tilegx.c
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aa137e4d 1/* TILE-Gx-specific support for ELF.
b3adc24a 2 Copyright (C) 2011-2020 Free Software Foundation, Inc.
aa137e4d
NC		 3
4 This file is part of BFD, the Binary File Descriptor library.
5
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.
10
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.
15
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. */
20
aa137e4d 21#include "sysdep.h"
691bf19c 22#include "bfd.h"
aa137e4d
NC		 23#include "libbfd.h"
24#include "elf-bfd.h"
25#include "elf/tilegx.h"
26#include "opcode/tilegx.h"
27#include "libiberty.h"
28#include "elfxx-tilegx.h"
29
30#define ABI_64_P(abfd) \
31 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
32
33#define TILEGX_ELF_WORD_BYTES(htab) \
34 ((htab)->bytes_per_word)
35
36/* The size of an external RELA relocation. */
37#define TILEGX_ELF_RELA_BYTES(htab) \
38 ((htab)->bytes_per_rela)
39
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) \
43 ((r_info) & 0xFF)
44
45#define TILEGX_ELF_R_INFO(htab, in_rel, index, type) \
46 ((htab)->r_info (in_rel, index, type))
47
48#define TILEGX_ELF_R_SYMNDX(htab, r_info) \
49 ((htab)->r_symndx(r_info))
50
51#define TILEGX_ELF_DTPOFF_RELOC(htab) \
52 ((htab)->dtpoff_reloc)
53
54#define TILEGX_ELF_DTPMOD_RELOC(htab) \
55 ((htab)->dtpmod_reloc)
56
57#define TILEGX_ELF_TPOFF_RELOC(htab) \
58 ((htab)->tpoff_reloc)
59
60#define TILEGX_ELF_PUT_WORD(htab, bfd, val, ptr) \
61 ((htab)->put_word (bfd, val, ptr))
62
63/* The name of the dynamic interpreter. This is put in the .interp
64 section. */
65
66#define ELF64_DYNAMIC_INTERPRETER "/lib/ld.so.1"
67#define ELF32_DYNAMIC_INTERPRETER "/lib32/ld.so.1"
68
69
70static reloc_howto_type tilegx_elf_howto_table [] =
71{
72 /* This reloc does nothing. */
73 HOWTO (R_TILEGX_NONE, /* type */
74 0, /* rightshift */
6346d5ca
AM		 75 3, /* size (0 = byte, 1 = short, 2 = long) */
76 0, /* bitsize */
aa137e4d
NC		 77 FALSE, /* pc_relative */
78 0, /* bitpos */
6346d5ca 79 complain_overflow_dont, /* complain_on_overflow */
aa137e4d
NC		 80 bfd_elf_generic_reloc, /* special_function */
81 "R_TILEGX_NONE", /* name */
82 FALSE, /* partial_inplace */
83 0, /* src_mask */
84 0, /* dst_mask */
85 FALSE), /* pcrel_offset */
86#ifdef BFD64
87 /* A 64 bit absolute relocation. */
88 HOWTO (R_TILEGX_64, /* type */
89 0, /* rightshift */
90 4, /* size (0 = byte, 1 = short, 2 = long) */
91 64, /* bitsize */
92 FALSE, /* pc_relative */
93 0, /* bitpos */
94 complain_overflow_dont, /* complain_on_overflow */
95 bfd_elf_generic_reloc, /* special_function */
96 "R_TILEGX_64", /* name */
97 FALSE, /* partial_inplace */
98 0, /* src_mask */
99 0xffffffffffffffffULL, /* dst_mask */
100 FALSE), /* pcrel_offset */
101#endif
102 /* A 32 bit absolute relocation. */
103 HOWTO (R_TILEGX_32, /* type */
104 0, /* rightshift */
105 2, /* size (0 = byte, 1 = short, 2 = long) */
106 32, /* bitsize */
107 FALSE, /* pc_relative */
108 0, /* bitpos */
109 complain_overflow_dont, /* complain_on_overflow */
110 bfd_elf_generic_reloc, /* special_function */
111 "R_TILEGX_32", /* name */
112 FALSE, /* partial_inplace */
113 0, /* src_mask */
114 0xffffffff, /* dst_mask */
115 FALSE), /* pcrel_offset */
116
117 /* A 16 bit absolute relocation. */
118 HOWTO (R_TILEGX_16, /* type */
119 0, /* rightshift */
120 1, /* size (0 = byte, 1 = short, 2 = long) */
121 16, /* bitsize */
122 FALSE, /* pc_relative */
123 0, /* bitpos */
124 complain_overflow_bitfield, /* complain_on_overflow */
125 bfd_elf_generic_reloc, /* special_function */
126 "R_TILEGX_16", /* name */
127 FALSE, /* partial_inplace */
128 0, /* src_mask */
129 0xffff, /* dst_mask */
130 FALSE), /* pcrel_offset */
131
132 /* An 8 bit absolute relocation. */
133 HOWTO (R_TILEGX_8, /* type */
134 0, /* rightshift */
135 0, /* size (0 = byte, 1 = short, 2 = long) */
136 8, /* bitsize */
137 FALSE, /* pc_relative */
138 0, /* bitpos */
139 complain_overflow_unsigned, /* complain_on_overflow */
140 bfd_elf_generic_reloc, /* special_function */
141 "R_TILEGX_8", /* name */
142 FALSE, /* partial_inplace */
143 0, /* src_mask */
144 0xff, /* dst_mask */
145 FALSE), /* pcrel_offset */
146#ifdef BFD64
147 /* A 64 bit pc-relative relocation. */
148 HOWTO (R_TILEGX_64_PCREL,/* type */
149 0, /* rightshift */
150 4, /* size (0 = byte, 1 = short, 2 = long) */
151 64, /* bitsize */
152 TRUE, /* pc_relative */
153 0, /* bitpos */
154 complain_overflow_dont, /* complain_on_overflow */
155 bfd_elf_generic_reloc, /* special_function */
156 "R_TILEGX_32_PCREL", /* name */
157 FALSE, /* partial_inplace */
158 0, /* src_mask */
159 0xffffffffffffffffULL, /* dst_mask */
160 TRUE), /* pcrel_offset */
161#endif
162 /* A 32 bit pc-relative relocation. */
163 HOWTO (R_TILEGX_32_PCREL,/* type */
164 0, /* rightshift */
165 2, /* size (0 = byte, 1 = short, 2 = long) */
166 32, /* bitsize */
167 TRUE, /* pc_relative */
168 0, /* bitpos */
169 complain_overflow_dont, /* complain_on_overflow */
170 bfd_elf_generic_reloc, /* special_function */
171 "R_TILEGX_32_PCREL", /* name */
172 FALSE, /* partial_inplace */
173 0, /* src_mask */
174 0xffffffff, /* dst_mask */
175 TRUE), /* pcrel_offset */
176
177 /* A 16 bit pc-relative relocation. */
178 HOWTO (R_TILEGX_16_PCREL,/* type */
179 0, /* rightshift */
180 1, /* size (0 = byte, 1 = short, 2 = long) */
181 16, /* bitsize */
182 TRUE, /* pc_relative */
183 0, /* bitpos */
184 complain_overflow_signed, /* complain_on_overflow */
185 bfd_elf_generic_reloc, /* special_function */
186 "R_TILEGX_16_PCREL", /* name */
187 FALSE, /* partial_inplace */
188 0, /* src_mask */
189 0xffff, /* dst_mask */
190 TRUE), /* pcrel_offset */
191
192 /* An 8 bit pc-relative relocation. */
193 HOWTO (R_TILEGX_8_PCREL, /* type */
194 0, /* rightshift */
195 0, /* size (0 = byte, 1 = short, 2 = long) */
196 8, /* bitsize */
197 TRUE, /* pc_relative */
198 0, /* bitpos */
199 complain_overflow_signed, /* complain_on_overflow */
200 bfd_elf_generic_reloc, /* special_function */
201 "R_TILEGX_8_PCREL",/* name */
202 FALSE, /* partial_inplace */
203 0, /* src_mask */
204 0xff, /* dst_mask */
205 TRUE), /* pcrel_offset */
206
207 /* A 16 bit relocation without overflow. */
208 HOWTO (R_TILEGX_HW0, /* type */
209 0, /* rightshift */
210 1, /* size (0 = byte, 1 = short, 2 = long) */
211 16, /* bitsize */
212 FALSE, /* pc_relative */
213 0, /* bitpos */
214 complain_overflow_dont,/* complain_on_overflow */
215 bfd_elf_generic_reloc, /* special_function */
216 "R_TILEGX_HW0", /* name */
217 FALSE, /* partial_inplace */
218 0, /* src_mask */
219 0xffff, /* dst_mask */
220 FALSE), /* pcrel_offset */
221
222 /* A 16 bit relocation without overflow. */
223 HOWTO (R_TILEGX_HW1, /* type */
224 16, /* rightshift */
225 1, /* size (0 = byte, 1 = short, 2 = long) */
226 16, /* bitsize */
227 FALSE, /* pc_relative */
228 0, /* bitpos */
229 complain_overflow_dont,/* complain_on_overflow */
230 bfd_elf_generic_reloc, /* special_function */
231 "R_TILEGX_HW1", /* name */
232 FALSE, /* partial_inplace */
233 0, /* src_mask */
234 0xffff, /* dst_mask */
235 FALSE), /* pcrel_offset */
236
237 /* A 16 bit relocation without overflow. */
238 HOWTO (R_TILEGX_HW2, /* type */
239 32, /* rightshift */
240 1, /* size (0 = byte, 1 = short, 2 = long) */
241 16, /* bitsize */
242 FALSE, /* pc_relative */
243 0, /* bitpos */
244 complain_overflow_dont,/* complain_on_overflow */
245 bfd_elf_generic_reloc, /* special_function */
246 "R_TILEGX_HW2", /* name */
247 FALSE, /* partial_inplace */
248 0, /* src_mask */
249 0xffff, /* dst_mask */
250 FALSE), /* pcrel_offset */
251
252 /* A 16 bit relocation without overflow. */
253 HOWTO (R_TILEGX_HW3, /* type */
254 48, /* rightshift */
255 1, /* size (0 = byte, 1 = short, 2 = long) */
256 16, /* bitsize */
257 FALSE, /* pc_relative */
258 0, /* bitpos */
259 complain_overflow_dont,/* complain_on_overflow */
260 bfd_elf_generic_reloc, /* special_function */
261 "R_TILEGX_HW3", /* name */
262 FALSE, /* partial_inplace */
263 0, /* src_mask */
264 0xffff, /* dst_mask */
265 FALSE), /* pcrel_offset */
266
267 /* A 16 bit relocation with overflow. */
268 HOWTO (R_TILEGX_HW0_LAST, /* type */
269 0, /* rightshift */
270 1, /* size (0 = byte, 1 = short, 2 = long) */
271 16, /* bitsize */
272 FALSE, /* pc_relative */
273 0, /* bitpos */
274 complain_overflow_signed,/* complain_on_overflow */
275 bfd_elf_generic_reloc, /* special_function */
276 "R_TILEGX_HW0_LAST", /* name */
277 FALSE, /* partial_inplace */
278 0, /* src_mask */
279 0xffff, /* dst_mask */
280 FALSE), /* pcrel_offset */
281
282 /* A 16 bit relocation with overflow. */
283 HOWTO (R_TILEGX_HW1_LAST, /* type */
284 16, /* rightshift */
285 1, /* size (0 = byte, 1 = short, 2 = long) */
286 16, /* bitsize */
287 FALSE, /* pc_relative */
288 0, /* bitpos */
289 complain_overflow_signed,/* complain_on_overflow */
290 bfd_elf_generic_reloc, /* special_function */
291 "R_TILEGX_HW1_LAST", /* name */
292 FALSE, /* partial_inplace */
293 0, /* src_mask */
294 0xffff, /* dst_mask */
295 FALSE), /* pcrel_offset */
296
297 /* A 16 bit relocation with overflow. */
298 HOWTO (R_TILEGX_HW2_LAST, /* type */
299 32, /* rightshift */
300 1, /* size (0 = byte, 1 = short, 2 = long) */
301 16, /* bitsize */
302 FALSE, /* pc_relative */
303 0, /* bitpos */
304 complain_overflow_signed,/* complain_on_overflow */
305 bfd_elf_generic_reloc, /* special_function */
306 "R_TILEGX_HW2_LAST", /* name */
307 FALSE, /* partial_inplace */
308 0, /* src_mask */
309 0xffff, /* dst_mask */
310 FALSE), /* pcrel_offset */
311
312 HOWTO (R_TILEGX_COPY, /* type */
313 0, /* rightshift */
314 0, /* size (0 = byte, 1 = short, 2 = long) */
315 0, /* bitsize */
316 FALSE, /* pc_relative */
317 0, /* bitpos */
318 complain_overflow_dont, /* complain_on_overflow */
319 bfd_elf_generic_reloc, /* special_function */
320 "R_TILEGX_COPY", /* name */
321 FALSE, /* partial_inplace */
322 0, /* src_mask */
323 0, /* dst_mask */
324 TRUE), /* pcrel_offset */
325
326 HOWTO (R_TILEGX_GLOB_DAT, /* type */
327 0, /* rightshift */
328 0, /* size (0 = byte, 1 = short, 2 = long) */
329 0, /* bitsize */
330 FALSE, /* pc_relative */
331 0, /* bitpos */
332 complain_overflow_dont, /* complain_on_overflow */
333 bfd_elf_generic_reloc, /* special_function */
334 "R_TILEGX_GLOB_DAT", /* name */
335 FALSE, /* partial_inplace */
336 0, /* src_mask */
337 0, /* dst_mask */
338 TRUE), /* pcrel_offset */
339
340 HOWTO (R_TILEGX_JMP_SLOT, /* type */
341 0, /* rightshift */
342 0, /* size (0 = byte, 1 = short, 2 = long) */
343 0, /* bitsize */
344 FALSE, /* pc_relative */
345 0, /* bitpos */
346 complain_overflow_dont, /* complain_on_overflow */
347 bfd_elf_generic_reloc, /* special_function */
348 "R_TILEGX_JMP_SLOT", /* name */
349 FALSE, /* partial_inplace */
350 0, /* src_mask */
351 0, /* dst_mask */
352 TRUE), /* pcrel_offset */
353
354 HOWTO (R_TILEGX_RELATIVE, /* type */
355 0, /* rightshift */
356 0, /* size (0 = byte, 1 = short, 2 = long) */
357 0, /* bitsize */
358 FALSE, /* pc_relative */
359 0, /* bitpos */
360 complain_overflow_dont, /* complain_on_overflow */
361 bfd_elf_generic_reloc, /* special_function */
362 "R_TILEGX_RELATIVE", /* name */
363 FALSE, /* partial_inplace */
364 0, /* src_mask */
365 0, /* dst_mask */
366 TRUE), /* pcrel_offset */
367
368 HOWTO (R_TILEGX_BROFF_X1, /* type */
369 TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
370 2, /* size (0 = byte, 1 = short, 2 = long) */
371 17, /* bitsize */
372 TRUE, /* pc_relative */
373 0, /* bitpos */
374 complain_overflow_signed, /* complain_on_overflow */
375 bfd_elf_generic_reloc, /* special_function */
376 "R_TILEGX_BROFF_X1", /* name */
377 FALSE, /* partial_inplace */
378 0, /* src_mask */
379 -1, /* dst_mask */
380 TRUE), /* pcrel_offset */
381
382 HOWTO (R_TILEGX_JUMPOFF_X1, /* type */
383 TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
384 2, /* size (0 = byte, 1 = short, 2 = long) */
385 27, /* bitsize */
386 TRUE, /* pc_relative */
387 0, /* bitpos */
388 complain_overflow_signed,/* complain_on_overflow */
389 bfd_elf_generic_reloc, /* special_function */
390 "R_TILEGX_JUMPOFF_X1", /* name */
391 FALSE, /* partial_inplace */
392 0, /* src_mask */
393 -1, /* dst_mask */
07d6d2b8 394 TRUE), /* pcrel_offset */
aa137e4d
NC		 395
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) */
399 27, /* bitsize */
400 TRUE, /* pc_relative */
401 0, /* bitpos */
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 */
406 0, /* src_mask */
407 -1, /* dst_mask */
07d6d2b8 408 TRUE), /* pcrel_offset */
aa137e4d
NC		 409
410#define TILEGX_IMM_HOWTO(name, size, bitsize) \
411 HOWTO (name, 0, size, bitsize, FALSE, 0, \
07d6d2b8
AM		 412 complain_overflow_signed, bfd_elf_generic_reloc, \
413 #name, FALSE, 0, -1, FALSE)
aa137e4d
NC		 414
415#define TILEGX_UIMM_HOWTO(name, size, bitsize) \
416 HOWTO (name, 0, size, bitsize, FALSE, 0, \
07d6d2b8
AM		 417 complain_overflow_unsigned, bfd_elf_generic_reloc, \
418 #name, FALSE, 0, -1, FALSE)
aa137e4d
NC		 419
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),
425
426 TILEGX_UIMM_HOWTO(R_TILEGX_MT_IMM14_X1, 1, 14),
427 TILEGX_UIMM_HOWTO(R_TILEGX_MF_IMM14_X1, 1, 14),
428
429 TILEGX_UIMM_HOWTO(R_TILEGX_MMSTART_X0, 0, 6),
430 TILEGX_UIMM_HOWTO(R_TILEGX_MMEND_X0, 0, 6),
431
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),
436
437#define TILEGX_IMM16_HOWTO(name, rshift) \
438 HOWTO (name, rshift, 1, 16, FALSE, 0, \
07d6d2b8
AM		 439 complain_overflow_dont, bfd_elf_generic_reloc, \
440 #name, FALSE, 0, 0xffff, FALSE)
aa137e4d
NC		 441
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),
450
451#define TILEGX_IMM16_HOWTO_LAST(name, rshift) \
452 HOWTO (name, rshift, 1, 16, FALSE, 0, \
07d6d2b8
AM		 453 complain_overflow_signed, bfd_elf_generic_reloc, \
454 #name, FALSE, 0, 0xffff, FALSE)
aa137e4d
NC		 455
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),
462
463 /* PC-relative offsets. */
464
465#define TILEGX_IMM16_HOWTO_PCREL(name, rshift) \
466 HOWTO (name, rshift, 1, 16, TRUE, 0, \
07d6d2b8
AM		 467 complain_overflow_dont, bfd_elf_generic_reloc, \
468 #name, FALSE, 0, 0xffff, TRUE)
aa137e4d
NC		 469
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),
478
479#define TILEGX_IMM16_HOWTO_LAST_PCREL(name, rshift) \
480 HOWTO (name, rshift, 1, 16, TRUE, 0, \
07d6d2b8
AM		 481 complain_overflow_signed, bfd_elf_generic_reloc, \
482 #name, FALSE, 0, 0xffff, TRUE)
aa137e4d
NC		 483
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),
490
491 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_GOT, 0),
492 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_GOT, 0),
e5b95258
WL		 493
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),
aa137e4d
NC		 500
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),
e5b95258
WL		 505
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),
aa137e4d
NC		 508
509 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_TLS_GD, 0),
510 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_TLS_GD, 0),
6f7be959
WL		 511
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),
aa137e4d
NC		 518
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),
6f7be959
WL		 523 EMPTY_HOWTO (90),
524 EMPTY_HOWTO (91),
aa137e4d
NC		 525
526#define TILEGX_IMM16_HOWTO_TLS_IE(name, rshift) \
527 HOWTO (name, rshift, 1, 16, FALSE, 0, \
07d6d2b8
AM		 528 complain_overflow_dont, bfd_elf_generic_reloc, \
529 #name, FALSE, 0, 0xffff, TRUE)
aa137e4d
NC		 530
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),
e5b95258
WL		 533
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),
aa137e4d
NC		 540
541#define TILEGX_IMM16_HOWTO_LAST_TLS_IE(name, rshift) \
542 HOWTO (name, rshift, 1, 16, FALSE, 0, \
07d6d2b8
AM		 543 complain_overflow_signed, bfd_elf_generic_reloc, \
544 #name, FALSE, 0, 0xffff, TRUE)
aa137e4d
NC		 545
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),
6f7be959
WL		 550 EMPTY_HOWTO (104),
551 EMPTY_HOWTO (105),
aa137e4d
NC		 552
553 HOWTO(R_TILEGX_TLS_DTPMOD64, 0, 0, 0, FALSE, 0, complain_overflow_dont,
07d6d2b8
AM		 554 bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPMOD64",
555 FALSE, 0, 0, TRUE),
aa137e4d 556 HOWTO(R_TILEGX_TLS_DTPOFF64, 0, 4, 64, FALSE, 0, complain_overflow_bitfield,
07d6d2b8
AM		 557 bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPOFF64",
558 FALSE, 0, -1, TRUE),
aa137e4d 559 HOWTO(R_TILEGX_TLS_TPOFF64, 0, 0, 0, FALSE, 0, complain_overflow_dont,
07d6d2b8
AM		 560 bfd_elf_generic_reloc, "R_TILEGX_TLS_TPOFF64",
561 FALSE, 0, 0, TRUE),
aa137e4d
NC		 562
563 HOWTO(R_TILEGX_TLS_DTPMOD32, 0, 0, 0, FALSE, 0, complain_overflow_dont,
07d6d2b8
AM		 564 bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPMOD32",
565 FALSE, 0, 0, TRUE),
aa137e4d 566 HOWTO(R_TILEGX_TLS_DTPOFF32, 0, 4, 32, FALSE, 0, complain_overflow_bitfield,
07d6d2b8
AM		 567 bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPOFF32",
568 FALSE, 0, -1, TRUE),
aa137e4d 569 HOWTO(R_TILEGX_TLS_TPOFF32, 0, 0, 0, FALSE, 0, complain_overflow_dont,
07d6d2b8
AM		 570 bfd_elf_generic_reloc, "R_TILEGX_TLS_TPOFF32",
571 FALSE, 0, 0, TRUE),
6f7be959
WL		 572
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) */
576 27, /* bitsize */
577 TRUE, /* pc_relative */
578 0, /* bitpos */
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 */
583 0, /* src_mask */
584 -1, /* dst_mask */
07d6d2b8 585 TRUE), /* pcrel_offset */
6f7be959
WL		 586
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),
aa137e4d
NC		 596};
597
598static reloc_howto_type tilegx_elf_howto_table2 [] =
599{
600 /* GNU extension to record C++ vtable hierarchy */
601 HOWTO (R_TILEGX_GNU_VTINHERIT, /* type */
07d6d2b8
AM		 602 0, /* rightshift */
603 4, /* size (0 = byte, 1 = short, 2 = long) */
604 0, /* bitsize */
605 FALSE, /* pc_relative */
606 0, /* bitpos */
607 complain_overflow_dont, /* complain_on_overflow */
608 NULL, /* special_function */
609 "R_TILEGX_GNU_VTINHERIT", /* name */
610 FALSE, /* partial_inplace */
611 0, /* src_mask */
612 0, /* dst_mask */
613 FALSE), /* pcrel_offset */
aa137e4d
NC		 614
615 /* GNU extension to record C++ vtable member usage */
07d6d2b8
AM		 616 HOWTO (R_TILEGX_GNU_VTENTRY, /* type */
617 0, /* rightshift */
618 4, /* size (0 = byte, 1 = short, 2 = long) */
619 0, /* bitsize */
620 FALSE, /* pc_relative */
621 0, /* bitpos */
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 */
626 0, /* src_mask */
627 0, /* dst_mask */
628 FALSE), /* pcrel_offset */
aa137e4d
NC		 629
630};
631\f
632/* Map BFD reloc types to TILEGX ELF reloc types. */
633
634typedef struct tilegx_reloc_map
635{
636 bfd_reloc_code_real_type bfd_reloc_val;
07d6d2b8
AM		 637 unsigned int tilegx_reloc_val;
638 reloc_howto_type * table;
aa137e4d
NC		 639} reloc_map;
640
641static const reloc_map tilegx_reloc_map [] =
642{
643#define TH_REMAP(bfd, tilegx) \
644 { bfd, tilegx, tilegx_elf_howto_table },
645
646 /* Standard relocations. */
07d6d2b8
AM		 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)
aa137e4d
NC		 656
657#define SIMPLE_REMAP(t) TH_REMAP (BFD_RELOC_##t, R_##t)
658
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)
e5b95258
WL		 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)
aa137e4d
NC		 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)
e5b95258
WL		 727 SIMPLE_REMAP (TILEGX_IMM16_X0_HW3_PLT_PCREL)
728 SIMPLE_REMAP (TILEGX_IMM16_X1_HW3_PLT_PCREL)
aa137e4d
NC		 729 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_GD)
730 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_GD)
6f7be959
WL		 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)
aa137e4d
NC		 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)
aa137e4d
NC		 741 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_IE)
742 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_IE)
e5b95258
WL		 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)
aa137e4d
NC		 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)
aa137e4d
NC		 753
754 SIMPLE_REMAP (TILEGX_TLS_DTPMOD64)
755 SIMPLE_REMAP (TILEGX_TLS_DTPOFF64)
756 SIMPLE_REMAP (TILEGX_TLS_TPOFF64)
757
758 SIMPLE_REMAP (TILEGX_TLS_DTPMOD32)
759 SIMPLE_REMAP (TILEGX_TLS_DTPOFF32)
760 SIMPLE_REMAP (TILEGX_TLS_TPOFF32)
761
6f7be959
WL		 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)
772
aa137e4d
NC		 773#undef SIMPLE_REMAP
774#undef TH_REMAP
775
07d6d2b8
AM		 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 },
aa137e4d
NC		 778};
779
780
781
aa137e4d
NC		 782/* TILEGX ELF linker hash entry. */
783
784struct tilegx_elf_link_hash_entry
785{
786 struct elf_link_hash_entry elf;
787
aa137e4d
NC		 788#define GOT_UNKNOWN 0
789#define GOT_NORMAL 1
790#define GOT_TLS_GD 2
791#define GOT_TLS_IE 4
792 unsigned char tls_type;
793};
794
795#define tilegx_elf_hash_entry(ent) \
796 ((struct tilegx_elf_link_hash_entry *)(ent))
797
798struct _bfd_tilegx_elf_obj_tdata
799{
800 struct elf_obj_tdata root;
801
802 /* tls_type for each local got entry. */
803 char *local_got_tls_type;
804};
805
806#define _bfd_tilegx_elf_tdata(abfd) \
807 ((struct _bfd_tilegx_elf_obj_tdata *) (abfd)->tdata.any)
808
809#define _bfd_tilegx_elf_local_got_tls_type(abfd) \
810 (_bfd_tilegx_elf_tdata (abfd)->local_got_tls_type)
811
812#define is_tilegx_elf(bfd) \
813 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
814 && elf_tdata (bfd) != NULL \
815 && elf_object_id (bfd) == TILEGX_ELF_DATA)
816
817#include "elf/common.h"
818#include "elf/internal.h"
819
820struct tilegx_elf_link_hash_table
821{
822 struct elf_link_hash_table elf;
823
824 int bytes_per_word;
825 int word_align_power;
826 int bytes_per_rela;
827 int dtpmod_reloc;
828 int dtpoff_reloc;
829 int tpoff_reloc;
830 bfd_vma (*r_info) (Elf_Internal_Rela *, bfd_vma, bfd_vma);
831 bfd_vma (*r_symndx) (bfd_vma);
832 void (*put_word) (bfd *, bfd_vma, void *);
833 const char *dynamic_interpreter;
834
6f7be959
WL		 835 /* Whether LE transition has been disabled for some of the
836 sections. */
837 bfd_boolean disable_le_transition;
aa137e4d
NC		 838};
839
840
841/* Get the Tile ELF linker hash table from a link_info structure. */
842#define tilegx_elf_hash_table(p) \
843 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
844 == TILEGX_ELF_DATA ? ((struct tilegx_elf_link_hash_table *) ((p)->hash)) : NULL)
845
846#ifdef BFD64
847static bfd_vma
848tilegx_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
849 bfd_vma rel_index,
850 bfd_vma type)
851{
852 return ELF64_R_INFO (rel_index, type);
853}
854
855static bfd_vma
856tilegx_elf_r_symndx_64 (bfd_vma r_info)
857{
858 return ELF64_R_SYM (r_info);
859}
860
861static void
862tilegx_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
863{
864 bfd_put_64 (abfd, val, ptr);
865}
866#endif /* BFD64 */
867
868static bfd_vma
869tilegx_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
870 bfd_vma rel_index,
871 bfd_vma type)
872{
873 return ELF32_R_INFO (rel_index, type);
874}
875
876static bfd_vma
877tilegx_elf_r_symndx_32 (bfd_vma r_info)
878{
879 return ELF32_R_SYM (r_info);
880}
881
882static void
883tilegx_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
884{
885 bfd_put_32 (abfd, val, ptr);
886}
887
888reloc_howto_type *
f3185997 889tilegx_reloc_type_lookup (bfd * abfd,
aa137e4d
NC		 890 bfd_reloc_code_real_type code)
891{
892 unsigned int i;
893
0ba38529 894 for (i = ARRAY_SIZE (tilegx_reloc_map); i--;)
aa137e4d
NC		 895 {
896 const reloc_map * entry;
897
898 entry = tilegx_reloc_map + i;
899
900 if (entry->bfd_reloc_val == code)
901 return entry->table + (entry->tilegx_reloc_val
902 - entry->table[0].type);
903 }
904
f3185997 905 /* xgettext:c-format */
e8f5af78 906 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
f3185997
NC		 907 abfd, (int) code);
908 bfd_set_error (bfd_error_bad_value);
aa137e4d
NC		 909 return NULL;
910}
911
912reloc_howto_type *
913tilegx_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
914 const char *r_name)
915{
916 unsigned int i;
917
918 for (i = 0;
919 i < (sizeof (tilegx_elf_howto_table)
07d6d2b8 920 / sizeof (tilegx_elf_howto_table[0]));
aa137e4d
NC		 921 i++)
922 if (tilegx_elf_howto_table[i].name != NULL
07d6d2b8 923 && strcasecmp (tilegx_elf_howto_table[i].name, r_name) == 0)
aa137e4d
NC		 924 return &tilegx_elf_howto_table[i];
925
926 return NULL;
927}
928
f3185997 929bfd_boolean
aa137e4d
NC		 930tilegx_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED,
931 arelent *cache_ptr,
932 Elf_Internal_Rela *dst)
933{
934 unsigned int r_type = TILEGX_ELF_R_TYPE (dst->r_info);
935
6f7be959 936 if (r_type <= (unsigned int) R_TILEGX_IMM8_Y1_TLS_ADD)
aa137e4d
NC		 937 cache_ptr->howto = &tilegx_elf_howto_table [r_type];
938 else if (r_type - R_TILEGX_GNU_VTINHERIT
f3185997
NC		 939 <= ((unsigned int) R_TILEGX_GNU_VTENTRY
940 - (unsigned int) R_TILEGX_GNU_VTINHERIT))
aa137e4d
NC		 941 cache_ptr->howto
942 = &tilegx_elf_howto_table2 [r_type - R_TILEGX_GNU_VTINHERIT];
943 else
f3185997
NC		 944 {
945 /* xgettext:c-format */
946 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
947 abfd, r_type);
948 bfd_set_error (bfd_error_bad_value);
949 return FALSE;
950 }
951 return TRUE;
aa137e4d
NC		 952}
953
954typedef tilegx_bundle_bits (*tilegx_create_func)(int);
955
956static const tilegx_create_func reloc_to_create_func[] =
957{
958 /* The first twenty relocation types don't correspond to operands */
959 NULL,
960 NULL,
961 NULL,
962 NULL,
963 NULL,
964 NULL,
965 NULL,
966 NULL,
967 NULL,
968 NULL,
969 NULL,
970 NULL,
971 NULL,
972 NULL,
973 NULL,
974 NULL,
975 NULL,
976 NULL,
977 NULL,
978 NULL,
979
980 /* The remaining relocations are used for immediate operands */
981 create_BrOff_X1,
982 create_JumpOff_X1,
983 create_JumpOff_X1,
984 create_Imm8_X0,
985 create_Imm8_Y0,
986 create_Imm8_X1,
987 create_Imm8_Y1,
988 create_Dest_Imm8_X1,
989 create_MT_Imm14_X1,
990 create_MF_Imm14_X1,
991 create_BFStart_X0,
992 create_BFEnd_X0,
993 create_ShAmt_X0,
994 create_ShAmt_X1,
995 create_ShAmt_Y0,
996 create_ShAmt_Y1,
997 create_Imm16_X0,
998 create_Imm16_X1,
999 create_Imm16_X0,
1000 create_Imm16_X1,
1001 create_Imm16_X0,
1002 create_Imm16_X1,
1003 create_Imm16_X0,
1004 create_Imm16_X1,
1005 create_Imm16_X0,
1006 create_Imm16_X1,
1007 create_Imm16_X0,
1008 create_Imm16_X1,
1009 create_Imm16_X0,
1010 create_Imm16_X1,
1011 create_Imm16_X0,
1012 create_Imm16_X1,
1013 create_Imm16_X0,
1014 create_Imm16_X1,
1015 create_Imm16_X0,
1016 create_Imm16_X1,
1017 create_Imm16_X0,
1018 create_Imm16_X1,
1019 create_Imm16_X0,
1020 create_Imm16_X1,
1021 create_Imm16_X0,
1022 create_Imm16_X1,
1023 create_Imm16_X0,
1024 create_Imm16_X1,
1025 create_Imm16_X0,
1026 create_Imm16_X1,
1027 create_Imm16_X0,
1028 create_Imm16_X1,
1029 create_Imm16_X0,
1030 create_Imm16_X1,
1031 create_Imm16_X0,
1032 create_Imm16_X1,
1033 create_Imm16_X0,
1034 create_Imm16_X1,
1035 create_Imm16_X0,
1036 create_Imm16_X1,
1037 create_Imm16_X0,
1038 create_Imm16_X1,
1039 create_Imm16_X0,
1040 create_Imm16_X1,
1041 create_Imm16_X0,
1042 create_Imm16_X1,
e5b95258
WL		 1043 create_Imm16_X0,
1044 create_Imm16_X1,
1045 create_Imm16_X0,
1046 create_Imm16_X1,
1047 create_Imm16_X0,
1048 create_Imm16_X1,
aa137e4d
NC		 1049 create_Imm16_X0,
1050 create_Imm16_X1,
6f7be959
WL		 1051 NULL,
1052 NULL,
e5b95258
WL		 1053 create_Imm16_X0,
1054 create_Imm16_X1,
1055 create_Imm16_X0,
1056 create_Imm16_X1,
1057 create_Imm16_X0,
1058 create_Imm16_X1,
1059 create_Imm16_X0,
1060 create_Imm16_X1,
aa137e4d
NC		 1061 create_Imm16_X0,
1062 create_Imm16_X1,
1063 create_Imm16_X0,
1064 create_Imm16_X1,
aa137e4d
NC		 1065};
1066
1067static void
1068tilegx_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
1069{
1070 const struct elf_backend_data *bed;
1071 bfd_byte *loc;
1072
1073 bed = get_elf_backend_data (abfd);
1074 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
1075 bed->s->swap_reloca_out (abfd, rel, loc);
1076}
1077
1078/* PLT/GOT stuff */
1079
1080/* The procedure linkage table starts with the following header:
1081
07d6d2b8
AM		 1082 ld_add r28, r27, 8
1083 ld r27, r27
aa137e4d 1084 {
07d6d2b8
AM		 1085 jr r27
1086 info 10 ## SP not offset, return PC in LR
aa137e4d
NC		 1087 }
1088
1089 Subsequent entries are the following, jumping to the header at the end:
1090
1091 {
07d6d2b8
AM		 1092 moveli r28, <_GLOBAL_OFFSET_TABLE_ - 1f + MY_GOT_OFFSET>
1093 lnk r26
aa137e4d
NC		 1094 }
10951:
1096 {
07d6d2b8
AM		 1097 moveli r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
1098 shl16insli r28, r28, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET>
aa137e4d
NC		 1099 }
1100 {
07d6d2b8
AM		 1101 add r28, r26, r28
1102 shl16insli r27, r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
aa137e4d
NC		 1103 }
1104 {
07d6d2b8
AM		 1105 add r27, r26, r27
1106 ld r28, r28
1107 info 10 ## SP not offset, return PC in LR
aa137e4d
NC		 1108 }
1109 {
07d6d2b8
AM		 1110 shl16insli r29, zero, MY_PLT_INDEX
1111 jr r28
aa137e4d
NC		 1112 }
1113
1114 This code sequence lets the code at at the start of the PLT determine
1115 which PLT entry was executed by examining 'r29'.
1116
1117 Note that MY_PLT_INDEX skips over the header entries, so the first
1118 actual jump table entry has index zero.
1119
1120 If the offset fits in 16 bits,
1121
07d6d2b8 1122 lnk r26
aa137e4d
NC		 11231:
1124 {
07d6d2b8
AM		 1125 addli r28, r26, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET>
1126 moveli r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
aa137e4d
NC		 1127 }
1128 {
07d6d2b8
AM		 1129 shl16insli r29, zero, MY_PLT_INDEX
1130 ld r28, r28
aa137e4d
NC		 1131 }
1132 {
07d6d2b8
AM		 1133 add r27, r26, r27
1134 jr r28
aa137e4d 1135 }
07d6d2b8 1136 info 10 ## SP not offset, return PC in LR
aa137e4d
NC		 1137
1138 For the purpose of backtracing, the procedure linkage table ends with the
1139 following tail entry:
1140
07d6d2b8 1141 info 10 ## SP not offset, return PC in LR
aa137e4d
NC		 1142
1143 The 32-bit versions are similar, with ld4s replacing ld, and offsets into
1144 the GOT being multiples of 4 instead of 8.
1145
1146*/
1147
1148#define PLT_HEADER_SIZE_IN_BUNDLES 3
1149#define PLT_ENTRY_SIZE_IN_BUNDLES 5
1150#define PLT_TAIL_SIZE_IN_BUNDLES 1
1151
1152#define PLT_HEADER_SIZE \
1153 (PLT_HEADER_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
1154#define PLT_ENTRY_SIZE \
1155 (PLT_ENTRY_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
1156#define PLT_TAIL_SIZE \
1157 (PLT_TAIL_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
1158
1159#define GOT_ENTRY_SIZE(htab) TILEGX_ELF_WORD_BYTES (htab)
1160
1161#define GOTPLT_HEADER_SIZE(htab) (2 * GOT_ENTRY_SIZE (htab))
1162
1163static const bfd_byte
1164tilegx64_plt0_entry[PLT_HEADER_SIZE] =
1165{
1166 0x00, 0x30, 0x48, 0x51,
1167 0x6e, 0x43, 0xa0, 0x18, /* { ld_add r28, r27, 8 } */
1168 0x00, 0x30, 0xbc, 0x35,
1169 0x00, 0x40, 0xde, 0x9e, /* { ld r27, r27 } */
1170 0xff, 0xaf, 0x30, 0x40,
1171 0x60, 0x73, 0x6a, 0x28, /* { info 10 ; jr r27 } */
1172};
1173
1174static const bfd_byte
1175tilegx64_long_plt_entry[PLT_ENTRY_SIZE] =
1176{
1177 0xdc, 0x0f, 0x00, 0x10,
1178 0x0d, 0xf0, 0x6a, 0x28, /* { moveli r28, 0 ; lnk r26 } */
1179 0xdb, 0x0f, 0x00, 0x10,
1180 0x8e, 0x03, 0x00, 0x38, /* { moveli r27, 0 ; shl16insli r28, r28, 0 } */
1181 0x9c, 0xc6, 0x0d, 0xd0,
1182 0x6d, 0x03, 0x00, 0x38, /* { add r28, r26, r28 ; shl16insli r27, r27, 0 } */
1183 0x9b, 0xb6, 0xc5, 0xad,
1184 0xff, 0x57, 0xe0, 0x8e, /* { add r27, r26, r27 ; info 10 ; ld r28, r28 } */
1185 0xdd, 0x0f, 0x00, 0x70,
1186 0x80, 0x73, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; jr r28 } */
1187};
1188
1189static const bfd_byte
1190tilegx64_short_plt_entry[PLT_ENTRY_SIZE] =
1191{
1192 0x00, 0x30, 0x48, 0x51,
1193 0x0d, 0xf0, 0x6a, 0x28, /* { lnk r26 } */
1194 0x9c, 0x06, 0x00, 0x90,
1195 0xed, 0x07, 0x00, 0x00, /* { addli r28, r26, 0 ; moveli r27, 0 } */
1196 0xdd, 0x0f, 0x00, 0x70,
1197 0x8e, 0xeb, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; ld r28, r28 } */
1198 0x9b, 0xb6, 0x0d, 0x50,
1199 0x80, 0x73, 0x6a, 0x28, /* { add r27, r26, r27 ; jr r28 } */
1200 0x00, 0x30, 0x48, 0xd1,
1201 0xff, 0x57, 0x18, 0x18, /* { info 10 } */
1202};
1203
1204/* Reuse an existing info 10 bundle. */
0e4894b9 1205static const bfd_byte *const tilegx64_plt_tail_entry =
aa137e4d
NC		 1206 &tilegx64_short_plt_entry[4 * TILEGX_BUNDLE_SIZE_IN_BYTES];
1207
1208static const bfd_byte
1209tilegx32_plt0_entry[PLT_HEADER_SIZE] =
1210{
1211 0x00, 0x30, 0x48, 0x51,
1212 0x6e, 0x23, 0x58, 0x18, /* { ld4s_add r28, r27, 4 } */
1213 0x00, 0x30, 0xbc, 0x35,
1214 0x00, 0x40, 0xde, 0x9c, /* { ld4s r27, r27 } */
1215 0xff, 0xaf, 0x30, 0x40,
1216 0x60, 0x73, 0x6a, 0x28, /* { info 10 ; jr r27 } */
1217};
1218
1219static const bfd_byte
1220tilegx32_long_plt_entry[PLT_ENTRY_SIZE] =
1221{
1222 0xdc, 0x0f, 0x00, 0x10,
1223 0x0d, 0xf0, 0x6a, 0x28, /* { moveli r28, 0 ; lnk r26 } */
1224 0xdb, 0x0f, 0x00, 0x10,
1225 0x8e, 0x03, 0x00, 0x38, /* { moveli r27, 0 ; shl16insli r28, r28, 0 } */
1226 0x9c, 0xc6, 0x0d, 0xd0,
1227 0x6d, 0x03, 0x00, 0x38, /* { add r28, r26, r28 ; shl16insli r27, r27, 0 } */
1228 0x9b, 0xb6, 0xc5, 0xad,
1229 0xff, 0x57, 0xe0, 0x8c, /* { add r27, r26, r27 ; info 10 ; ld4s r28, r28 } */
1230 0xdd, 0x0f, 0x00, 0x70,
1231 0x80, 0x73, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; jr r28 } */
1232};
1233
1234static const bfd_byte
1235tilegx32_short_plt_entry[PLT_ENTRY_SIZE] =
1236{
1237 0x00, 0x30, 0x48, 0x51,
1238 0x0d, 0xf0, 0x6a, 0x28, /* { lnk r26 } */
1239 0x9c, 0x06, 0x00, 0x90,
1240 0xed, 0x07, 0x00, 0x00, /* { addli r28, r26, 0 ; moveli r27, 0 } */
1241 0xdd, 0x0f, 0x00, 0x70,
1242 0x8e, 0x9b, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; ld4s r28, r28 } */
1243 0x9b, 0xb6, 0x0d, 0x50,
1244 0x80, 0x73, 0x6a, 0x28, /* { add r27, r26, r27 ; jr r28 } */
1245 0x00, 0x30, 0x48, 0xd1,
1246 0xff, 0x57, 0x18, 0x18, /* { info 10 } */
1247};
1248
1249/* Reuse an existing info 10 bundle. */
0e4894b9 1250static const bfd_byte *const tilegx32_plt_tail_entry =
aa137e4d
NC		 1251 &tilegx64_short_plt_entry[4 * TILEGX_BUNDLE_SIZE_IN_BYTES];
1252
1253static int
1254tilegx_plt_entry_build (bfd *output_bfd,
1255 struct tilegx_elf_link_hash_table *htab,
1256 asection *splt, asection *sgotplt,
1257 bfd_vma offset, bfd_vma *r_offset)
1258{
1259 int plt_index = (offset - PLT_HEADER_SIZE) / PLT_ENTRY_SIZE;
1260 int got_offset = (plt_index * GOT_ENTRY_SIZE (htab)
1261 + GOTPLT_HEADER_SIZE (htab));
1262 tilegx_bundle_bits *pc;
1263
1264 /* Compute the distance from the got entry to the lnk. */
1265 bfd_signed_vma dist_got_entry = sgotplt->output_section->vma
1266 + sgotplt->output_offset
1267 + got_offset
1268 - splt->output_section->vma
1269 - splt->output_offset
1270 - offset
1271 - TILEGX_BUNDLE_SIZE_IN_BYTES;
1272
1273 /* Compute the distance to GOTPLT[0]. */
1274 bfd_signed_vma dist_got0 = dist_got_entry - got_offset;
1275
1276 /* Check whether we can use the short plt entry with 16-bit offset. */
1277 bfd_boolean short_plt_entry =
1278 (dist_got_entry <= 0x7fff && dist_got0 >= -0x8000);
1279
1280 const tilegx_bundle_bits *plt_entry = (tilegx_bundle_bits *)
1281 (ABI_64_P (output_bfd) ?
1282 (short_plt_entry ? tilegx64_short_plt_entry : tilegx64_long_plt_entry) :
1283 (short_plt_entry ? tilegx32_short_plt_entry : tilegx32_long_plt_entry));
1284
1285 /* Copy the plt entry template. */
1286 memcpy (splt->contents + offset, plt_entry, PLT_ENTRY_SIZE);
1287
1288 /* Write the immediate offsets. */
1289 pc = (tilegx_bundle_bits *)(splt->contents + offset);
1290
1291 if (short_plt_entry)
1292 {
1293 /* { lnk r28 } */
1294 pc++;
1295
1296 /* { addli r28, r28, &GOTPLT[MY_GOT_INDEX] ; moveli r27, &GOTPLT[0] } */
1297 *pc++ |= create_Imm16_X0 (dist_got_entry)
1298 | create_Imm16_X1 (dist_got0);
1299
1300 /* { shl16insli r29, zero, MY_PLT_INDEX ; ld r28, r28 } */
1301 *pc++ |= create_Imm16_X0 (plt_index);
1302 }
1303 else
1304 {
1305 /* { moveli r28, &GOTPLT[MY_GOT_INDEX] ; lnk r26 } */
1306 *pc++ |= create_Imm16_X0 (dist_got_entry >> 16);
1307
1308 /* { moveli r27, &GOTPLT[0] ;
1309 shl16insli r28, r28, &GOTPLT[MY_GOT_INDEX] } */
1310 *pc++ |= create_Imm16_X0 (dist_got0 >> 16)
1311 | create_Imm16_X1 (dist_got_entry);
1312
1313 /* { add r28, r26, r28 ; shl16insli r27, r27, &GOTPLT[0] } */
1314 *pc++ |= create_Imm16_X1 (dist_got0);
1315
1316 /* { add r27, r26, r27 ; info 10 ; ld r28, r28 } */
1317 pc++;
1318
1319 /* { shl16insli r29, zero, MY_GOT_INDEX ; jr r28 } */
1320 *pc++ |= create_Imm16_X0 (plt_index);
1321 }
1322
1323 /* Set the relocation offset. */
1324 *r_offset = got_offset;
1325
1326 return plt_index;
1327}
1328
1329/* Create an entry in an TILEGX ELF linker hash table. */
1330
1331static struct bfd_hash_entry *
1332link_hash_newfunc (struct bfd_hash_entry *entry,
1333 struct bfd_hash_table *table, const char *string)
1334{
1335 /* Allocate the structure if it has not already been allocated by a
1336 subclass. */
1337 if (entry == NULL)
1338 {
1339 entry =
07d6d2b8
AM		 1340 bfd_hash_allocate (table,
1341 sizeof (struct tilegx_elf_link_hash_entry));
aa137e4d
NC		 1342 if (entry == NULL)
1343 return entry;
1344 }
1345
1346 /* Call the allocation method of the superclass. */
1347 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1348 if (entry != NULL)
1349 {
1350 struct tilegx_elf_link_hash_entry *eh;
1351
1352 eh = (struct tilegx_elf_link_hash_entry *) entry;
aa137e4d
NC		 1353 eh->tls_type = GOT_UNKNOWN;
1354 }
1355
1356 return entry;
1357}
1358
1359/* Create a TILEGX ELF linker hash table. */
1360
1361struct bfd_link_hash_table *
1362tilegx_elf_link_hash_table_create (bfd *abfd)
1363{
1364 struct tilegx_elf_link_hash_table *ret;
986f0783 1365 size_t amt = sizeof (struct tilegx_elf_link_hash_table);
aa137e4d
NC		 1366
1367 ret = (struct tilegx_elf_link_hash_table *) bfd_zmalloc (amt);
1368 if (ret == NULL)
1369 return NULL;
1370
1371#ifdef BFD64
1372 if (ABI_64_P (abfd))
1373 {
1374 ret->bytes_per_word = 8;
1375 ret->word_align_power = 3;
1376 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
1377 ret->dtpoff_reloc = R_TILEGX_TLS_DTPOFF64;
1378 ret->dtpmod_reloc = R_TILEGX_TLS_DTPMOD64;
1379 ret->tpoff_reloc = R_TILEGX_TLS_TPOFF64;
1380 ret->r_info = tilegx_elf_r_info_64;
1381 ret->r_symndx = tilegx_elf_r_symndx_64;
1382 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
1383 ret->put_word = tilegx_put_word_64;
1384 }
1385 else
1386#endif
1387 {
1388 ret->bytes_per_word = 4;
1389 ret->word_align_power = 2;
1390 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
1391 ret->dtpoff_reloc = R_TILEGX_TLS_DTPOFF32;
1392 ret->dtpmod_reloc = R_TILEGX_TLS_DTPMOD32;
1393 ret->tpoff_reloc = R_TILEGX_TLS_TPOFF32;
1394 ret->r_info = tilegx_elf_r_info_32;
1395 ret->r_symndx = tilegx_elf_r_symndx_32;
1396 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
1397 ret->put_word = tilegx_put_word_32;
1398 }
1399
1400 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
1401 sizeof (struct tilegx_elf_link_hash_entry),
1402 TILEGX_ELF_DATA))
1403 {
1404 free (ret);
1405 return NULL;
1406 }
1407
1408 return &ret->elf.root;
1409}
1410
1411/* Create the .got section. */
1412
1413static bfd_boolean
1414tilegx_elf_create_got_section (bfd *abfd, struct bfd_link_info *info)
1415{
1416 flagword flags;
1417 asection *s, *s_got;
1418 struct elf_link_hash_entry *h;
1419 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1420 struct elf_link_hash_table *htab = elf_hash_table (info);
1421
1422 /* This function may be called more than once. */
ce558b89 1423 if (htab->sgot != NULL)
aa137e4d
NC		 1424 return TRUE;
1425
1426 flags = bed->dynamic_sec_flags;
1427
3d4d4302
AM		 1428 s = bfd_make_section_anyway_with_flags (abfd,
1429 (bed->rela_plts_and_copies_p
1430 ? ".rela.got" : ".rel.got"),
1431 (bed->dynamic_sec_flags
1432 | SEC_READONLY));
aa137e4d 1433 if (s == NULL
fd361982 1434 || !bfd_set_section_alignment (s, bed->s->log_file_align))
aa137e4d
NC		 1435 return FALSE;
1436 htab->srelgot = s;
1437
3d4d4302 1438 s = s_got = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
aa137e4d 1439 if (s == NULL
fd361982 1440 || !bfd_set_section_alignment (s, bed->s->log_file_align))
aa137e4d
NC		 1441 return FALSE;
1442 htab->sgot = s;
1443
1444 /* The first bit of the global offset table is the header. */
1445 s->size += bed->got_header_size;
1446
1447 if (bed->want_got_plt)
1448 {
3d4d4302 1449 s = bfd_make_section_anyway_with_flags (abfd, ".got.plt", flags);
aa137e4d 1450 if (s == NULL
fd361982 1451 || !bfd_set_section_alignment (s, bed->s->log_file_align))
aa137e4d
NC		 1452 return FALSE;
1453 htab->sgotplt = s;
1454
1455 /* Reserve room for the header. */
1456 s->size += GOTPLT_HEADER_SIZE (tilegx_elf_hash_table (info));
1457 }
1458
1459 if (bed->want_got_sym)
1460 {
1461 /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got
1462 section. We don't do this in the linker script because we don't want
1463 to define the symbol if we are not creating a global offset
1464 table. */
1465 h = _bfd_elf_define_linkage_sym (abfd, info, s_got,
1466 "_GLOBAL_OFFSET_TABLE_");
1467 elf_hash_table (info)->hgot = h;
1468 if (h == NULL)
1469 return FALSE;
1470 }
1471
1472 return TRUE;
1473}
1474
1475/* Create .plt, .rela.plt, .got, .got.plt, .rela.got, .dynbss, and
1476 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1477 hash table. */
1478
1479bfd_boolean
1480tilegx_elf_create_dynamic_sections (bfd *dynobj,
1481 struct bfd_link_info *info)
1482{
aa137e4d
NC		 1483 if (!tilegx_elf_create_got_section (dynobj, info))
1484 return FALSE;
1485
9d19e4fd 1486 return _bfd_elf_create_dynamic_sections (dynobj, info);
aa137e4d
NC		 1487}
1488
1489/* Copy the extra info we tack onto an elf_link_hash_entry. */
1490
1491void
1492tilegx_elf_copy_indirect_symbol (struct bfd_link_info *info,
1493 struct elf_link_hash_entry *dir,
1494 struct elf_link_hash_entry *ind)
1495{
1496 struct tilegx_elf_link_hash_entry *edir, *eind;
1497
1498 edir = (struct tilegx_elf_link_hash_entry *) dir;
1499 eind = (struct tilegx_elf_link_hash_entry *) ind;
1500
aa137e4d
NC		 1501 if (ind->root.type == bfd_link_hash_indirect
1502 && dir->got.refcount <= 0)
1503 {
1504 edir->tls_type = eind->tls_type;
1505 eind->tls_type = GOT_UNKNOWN;
1506 }
1507 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1508}
1509
6f7be959
WL		 1510static int
1511tilegx_tls_translate_to_le (int r_type)
1512{
1513 switch (r_type)
1514 {
1515 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
1516 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
1517 return R_TILEGX_IMM16_X0_HW0_TLS_LE;
1518
1519 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
1520 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
1521 return R_TILEGX_IMM16_X1_HW0_TLS_LE;
1522
1523 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
1524 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
1525 return R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE;
1526
1527 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
1528 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
1529 return R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE;
1530
1531 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
1532 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
1533 return R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE;
1534
1535 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
1536 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
1537 return R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE;
1538 }
1539 return r_type;
1540}
1541
1542static int
1543tilegx_tls_translate_to_ie (int r_type)
1544{
1545 switch (r_type)
1546 {
1547 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
1548 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
1549 return R_TILEGX_IMM16_X0_HW0_TLS_IE;
1550
1551 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
1552 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
1553 return R_TILEGX_IMM16_X1_HW0_TLS_IE;
1554
1555 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
1556 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
1557 return R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE;
1558
1559 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
1560 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
1561 return R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE;
1562
1563 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
1564 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
1565 return R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE;
1566
1567 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
1568 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
1569 return R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE;
1570 }
1571 return r_type;
1572}
1573
1574static int
1575tilegx_elf_tls_transition (struct bfd_link_info *info, int r_type,
1576 int is_local, bfd_boolean disable_le_transition)
1577{
28095894 1578 if (!bfd_link_executable (info))
6f7be959
WL		 1579 return r_type;
1580
1581 if (is_local && !disable_le_transition)
1582 return tilegx_tls_translate_to_le (r_type);
1583 else
1584 return tilegx_tls_translate_to_ie (r_type);
1585}
1586
aa137e4d
NC		 1587/* Look through the relocs for a section during the first phase, and
1588 allocate space in the global offset table or procedure linkage
1589 table. */
1590
1591bfd_boolean
1592tilegx_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1593 asection *sec, const Elf_Internal_Rela *relocs)
1594{
1595 struct tilegx_elf_link_hash_table *htab;
1596 Elf_Internal_Shdr *symtab_hdr;
1597 struct elf_link_hash_entry **sym_hashes;
aa137e4d
NC		 1598 const Elf_Internal_Rela *rel;
1599 const Elf_Internal_Rela *rel_end;
1600 asection *sreloc;
1601 int num_relocs;
6f7be959 1602 bfd_boolean has_tls_gd_or_ie = FALSE, has_tls_add = FALSE;
aa137e4d 1603
0e1862bb 1604 if (bfd_link_relocatable (info))
aa137e4d
NC		 1605 return TRUE;
1606
1607 htab = tilegx_elf_hash_table (info);
1608 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1609 sym_hashes = elf_sym_hashes (abfd);
aa137e4d
NC		 1610
1611 sreloc = NULL;
1612
1613 num_relocs = sec->reloc_count;
1614
1615 BFD_ASSERT (is_tilegx_elf (abfd) || num_relocs == 0);
1616
1617 if (htab->elf.dynobj == NULL)
1618 htab->elf.dynobj = abfd;
1619
1620 rel_end = relocs + num_relocs;
6f7be959
WL		 1621
1622 /* Check whether to do optimization to transform TLS GD/IE
1623 referehces to TLS LE. We disable it if we're linking with old
1624 TLS code sequences that do not support such optimization. Old
1625 TLS code sequences have tls_gd_call/tls_ie_load relocations but
1626 no tls_add relocations. */
1627 for (rel = relocs; rel < rel_end && !has_tls_add; rel++)
1628 {
1629 int r_type = TILEGX_ELF_R_TYPE (rel->r_info);
1630 switch (r_type)
1631 {
1632 case R_TILEGX_TLS_GD_CALL:
1633 case R_TILEGX_TLS_IE_LOAD:
1634 has_tls_gd_or_ie = TRUE;
1635 break;
1636 case R_TILEGX_IMM8_X0_TLS_ADD:
1637 case R_TILEGX_IMM8_Y0_TLS_ADD:
1638 case R_TILEGX_IMM8_X1_TLS_ADD:
1639 case R_TILEGX_IMM8_Y1_TLS_ADD:
1640 has_tls_add = TRUE;
1641 break;
1642 }
1643 }
1644
1645 sec->sec_flg0 = (has_tls_gd_or_ie && !has_tls_add);
1646 htab->disable_le_transition |= sec->sec_flg0;
1647
aa137e4d
NC		 1648 for (rel = relocs; rel < rel_end; rel++)
1649 {
1650 unsigned int r_type;
d42c267e 1651 unsigned int r_symndx;
aa137e4d
NC		 1652 struct elf_link_hash_entry *h;
1653 int tls_type;
1654
1655 r_symndx = TILEGX_ELF_R_SYMNDX (htab, rel->r_info);
1656 r_type = TILEGX_ELF_R_TYPE (rel->r_info);
1657
1658 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1659 {
695344c0 1660 /* xgettext:c-format */
871b3ab2 1661 _bfd_error_handler (_("%pB: bad symbol index: %d"),
4eca0228 1662 abfd, r_symndx);
aa137e4d
NC		 1663 return FALSE;
1664 }
1665
1666 if (r_symndx < symtab_hdr->sh_info)
1667 h = NULL;
1668 else
1669 {
1670 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1671 while (h->root.type == bfd_link_hash_indirect
1672 || h->root.type == bfd_link_hash_warning)
1673 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1674 }
1675
6f7be959
WL		 1676 r_type = tilegx_elf_tls_transition (info, r_type, h == NULL,
1677 sec->sec_flg0);
aa137e4d
NC		 1678 switch (r_type)
1679 {
6f7be959
WL		 1680 case R_TILEGX_IMM16_X0_HW0_TLS_LE:
1681 case R_TILEGX_IMM16_X1_HW0_TLS_LE:
1682 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
1683 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
1684 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
1685 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
28095894 1686 if (!bfd_link_executable (info))
6f7be959
WL		 1687 goto r_tilegx_plt32;
1688 break;
1689
aa137e4d
NC		 1690 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
1691 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
aa137e4d
NC		 1692 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
1693 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
1694 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
1695 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
0e1862bb 1696 BFD_ASSERT (bfd_link_pic (info));
6f7be959 1697 tls_type = GOT_TLS_GD;
07d6d2b8 1698 goto have_got_reference;
aa137e4d
NC		 1699
1700 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
1701 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
aa137e4d
NC		 1702 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
1703 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
1704 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
1705 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
07d6d2b8
AM		 1706 tls_type = GOT_TLS_IE;
1707 if (!bfd_link_executable (info))
1708 info->flags |= DF_STATIC_TLS;
1709 goto have_got_reference;
aa137e4d
NC		 1710
1711 case R_TILEGX_IMM16_X0_HW0_GOT:
1712 case R_TILEGX_IMM16_X1_HW0_GOT:
aa137e4d
NC		 1713 case R_TILEGX_IMM16_X0_HW0_LAST_GOT:
1714 case R_TILEGX_IMM16_X1_HW0_LAST_GOT:
1715 case R_TILEGX_IMM16_X0_HW1_LAST_GOT:
1716 case R_TILEGX_IMM16_X1_HW1_LAST_GOT:
07d6d2b8
AM		 1717 tls_type = GOT_NORMAL;
1718 /* Fall Through */
aa137e4d 1719
07d6d2b8 1720 have_got_reference:
aa137e4d
NC		 1721 /* This symbol requires a global offset table entry. */
1722 {
07d6d2b8 1723 int old_tls_type;
aa137e4d
NC		 1724
1725 if (h != NULL)
1726 {
1727 h->got.refcount += 1;
1728 old_tls_type = tilegx_elf_hash_entry(h)->tls_type;
1729 }
1730 else
1731 {
1732 bfd_signed_vma *local_got_refcounts;
1733
1734 /* This is a global offset table entry for a local symbol. */
1735 local_got_refcounts = elf_local_got_refcounts (abfd);
1736 if (local_got_refcounts == NULL)
1737 {
1738 bfd_size_type size;
1739
1740 size = symtab_hdr->sh_info;
1741 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1742 local_got_refcounts = ((bfd_signed_vma *)
1743 bfd_zalloc (abfd, size));
1744 if (local_got_refcounts == NULL)
1745 return FALSE;
1746 elf_local_got_refcounts (abfd) = local_got_refcounts;
07d6d2b8
AM		 1747 _bfd_tilegx_elf_local_got_tls_type (abfd)
1748 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
aa137e4d
NC		 1749 }
1750 local_got_refcounts[r_symndx] += 1;
07d6d2b8
AM		 1751 old_tls_type = _bfd_tilegx_elf_local_got_tls_type (abfd) [r_symndx];
1752 }
1753
1754 /* If a TLS symbol is accessed using IE at least once,
1755 there is no point to use dynamic model for it. */
1756 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1757 && (old_tls_type != GOT_TLS_GD
1758 || tls_type != GOT_TLS_IE))
1759 {
1760 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1761 tls_type = old_tls_type;
1762 else
1763 {
4eca0228 1764 _bfd_error_handler
695344c0 1765 /* xgettext:c-format */
871b3ab2 1766 (_("%pB: `%s' accessed both as normal and thread local symbol"),
07d6d2b8
AM		 1767 abfd, h ? h->root.root.string : "<local>");
1768 return FALSE;
1769 }
1770 }
1771
1772 if (old_tls_type != tls_type)
1773 {
1774 if (h != NULL)
1775 tilegx_elf_hash_entry (h)->tls_type = tls_type;
1776 else
1777 _bfd_tilegx_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
aa137e4d
NC		 1778 }
1779 }
1780
1781 if (htab->elf.sgot == NULL)
1782 {
1783 if (!tilegx_elf_create_got_section (htab->elf.dynobj, info))
1784 return FALSE;
1785 }
1786 break;
1787
6f7be959 1788 case R_TILEGX_TLS_GD_CALL:
28095894 1789 if (!bfd_link_executable (info))
6f7be959
WL		 1790 {
1791 /* These are basically R_TILEGX_JUMPOFF_X1_PLT relocs
1792 against __tls_get_addr. */
1793 struct bfd_link_hash_entry *bh = NULL;
1794 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1795 "__tls_get_addr", 0,
1796 bfd_und_section_ptr, 0,
1797 NULL, FALSE, FALSE,
1798 &bh))
1799 return FALSE;
1800 h = (struct elf_link_hash_entry *) bh;
1801 }
1802 else
1803 break;
1804 /* Fall through */
1805
07d6d2b8 1806 case R_TILEGX_JUMPOFF_X1_PLT:
e5b95258
WL		 1807 case R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
1808 case R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
1809 case R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
1810 case R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
1811 case R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
1812 case R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
1813 case R_TILEGX_IMM16_X0_HW3_PLT_PCREL:
1814 case R_TILEGX_IMM16_X1_HW3_PLT_PCREL:
1815 case R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
1816 case R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
1817 case R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
1818 case R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
1819 case R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
1820 case R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
aa137e4d
NC		 1821 /* This symbol requires a procedure linkage table entry. We
1822 actually build the entry in adjust_dynamic_symbol,
1823 because this might be a case of linking PIC code without
1824 linking in any dynamic objects, in which case we don't
1825 need to generate a procedure linkage table after all. */
1826
1827 if (h != NULL)
07d6d2b8
AM		 1828 {
1829 h->needs_plt = 1;
1830 h->plt.refcount += 1;
1831 }
aa137e4d
NC		 1832 break;
1833
07d6d2b8
AM		 1834 case R_TILEGX_64_PCREL:
1835 case R_TILEGX_32_PCREL:
1836 case R_TILEGX_16_PCREL:
1837 case R_TILEGX_8_PCREL:
aa137e4d
NC		 1838 case R_TILEGX_IMM16_X0_HW0_PCREL:
1839 case R_TILEGX_IMM16_X1_HW0_PCREL:
1840 case R_TILEGX_IMM16_X0_HW1_PCREL:
1841 case R_TILEGX_IMM16_X1_HW1_PCREL:
1842 case R_TILEGX_IMM16_X0_HW2_PCREL:
1843 case R_TILEGX_IMM16_X1_HW2_PCREL:
1844 case R_TILEGX_IMM16_X0_HW3_PCREL:
1845 case R_TILEGX_IMM16_X1_HW3_PCREL:
1846 case R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
1847 case R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
1848 case R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
1849 case R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
1850 case R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
1851 case R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
1852 if (h != NULL)
1853 h->non_got_ref = 1;
1854
1855 if (h != NULL
1856 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1857 break;
1858 /* Fall through. */
1859
07d6d2b8
AM		 1860 case R_TILEGX_64:
1861 case R_TILEGX_32:
1862 case R_TILEGX_16:
1863 case R_TILEGX_8:
aa137e4d
NC		 1864 case R_TILEGX_HW0:
1865 case R_TILEGX_HW1:
1866 case R_TILEGX_HW2:
1867 case R_TILEGX_HW3:
1868 case R_TILEGX_HW0_LAST:
1869 case R_TILEGX_HW1_LAST:
1870 case R_TILEGX_HW2_LAST:
07d6d2b8
AM		 1871 case R_TILEGX_COPY:
1872 case R_TILEGX_GLOB_DAT:
1873 case R_TILEGX_JMP_SLOT:
1874 case R_TILEGX_RELATIVE:
1875 case R_TILEGX_BROFF_X1:
1876 case R_TILEGX_JUMPOFF_X1:
1877 case R_TILEGX_IMM8_X0:
1878 case R_TILEGX_IMM8_Y0:
1879 case R_TILEGX_IMM8_X1:
1880 case R_TILEGX_IMM8_Y1:
1881 case R_TILEGX_DEST_IMM8_X1:
1882 case R_TILEGX_MT_IMM14_X1:
1883 case R_TILEGX_MF_IMM14_X1:
1884 case R_TILEGX_MMSTART_X0:
1885 case R_TILEGX_MMEND_X0:
1886 case R_TILEGX_SHAMT_X0:
1887 case R_TILEGX_SHAMT_X1:
1888 case R_TILEGX_SHAMT_Y0:
1889 case R_TILEGX_SHAMT_Y1:
aa137e4d
NC		 1890 case R_TILEGX_IMM16_X0_HW0:
1891 case R_TILEGX_IMM16_X1_HW0:
1892 case R_TILEGX_IMM16_X0_HW1:
1893 case R_TILEGX_IMM16_X1_HW1:
1894 case R_TILEGX_IMM16_X0_HW2:
1895 case R_TILEGX_IMM16_X1_HW2:
1896 case R_TILEGX_IMM16_X0_HW3:
1897 case R_TILEGX_IMM16_X1_HW3:
1898 case R_TILEGX_IMM16_X0_HW0_LAST:
1899 case R_TILEGX_IMM16_X1_HW0_LAST:
1900 case R_TILEGX_IMM16_X0_HW1_LAST:
1901 case R_TILEGX_IMM16_X1_HW1_LAST:
1902 case R_TILEGX_IMM16_X0_HW2_LAST:
1903 case R_TILEGX_IMM16_X1_HW2_LAST:
1904 if (h != NULL)
6f7be959 1905 h->non_got_ref = 1;
aa137e4d 1906
6f7be959 1907 r_tilegx_plt32:
0e1862bb 1908 if (h != NULL && !bfd_link_pic (info))
6f7be959
WL		 1909 {
1910 /* We may need a .plt entry if the function this reloc
1911 refers to is in a shared lib. */
1912 h->plt.refcount += 1;
1913 }
aa137e4d
NC		 1914
1915 /* If we are creating a shared library, and this is a reloc
1916 against a global symbol, or a non PC relative reloc
1917 against a local symbol, then we need to copy the reloc
1918 into the shared library. However, if we are linking with
1919 -Bsymbolic, we do not need to copy a reloc against a
1920 global symbol which is defined in an object we are
1921 including in the link (i.e., DEF_REGULAR is set). At
1922 this point we have not seen all the input files, so it is
1923 possible that DEF_REGULAR is not set now but will be set
1924 later (it is never cleared). In case of a weak definition,
1925 DEF_REGULAR may be cleared later by a strong definition in
1926 a shared library. We account for that possibility below by
1927 storing information in the relocs_copied field of the hash
1928 table entry. A similar situation occurs when creating
1929 shared libraries and symbol visibility changes render the
1930 symbol local.
1931
1932 If on the other hand, we are creating an executable, we
1933 may need to keep relocations for symbols satisfied by a
1934 dynamic library if we manage to avoid copy relocs for the
1935 symbol. */
0e1862bb 1936 if ((bfd_link_pic (info)
aa137e4d
NC		 1937 && (sec->flags & SEC_ALLOC) != 0
1938 && (! tilegx_elf_howto_table[r_type].pc_relative
1939 || (h != NULL
1940 && (! info->symbolic
1941 || h->root.type == bfd_link_hash_defweak
1942 || !h->def_regular))))
0e1862bb 1943 || (!bfd_link_pic (info)
aa137e4d
NC		 1944 && (sec->flags & SEC_ALLOC) != 0
1945 && h != NULL
1946 && (h->root.type == bfd_link_hash_defweak
1947 || !h->def_regular)))
1948 {
3bf083ed
AM		 1949 struct elf_dyn_relocs *p;
1950 struct elf_dyn_relocs **head;
aa137e4d
NC		 1951
1952 /* When creating a shared object, we must copy these
1953 relocs into the output file. We create a reloc
1954 section in dynobj and make room for the reloc. */
1955 if (sreloc == NULL)
1956 {
1957 sreloc = _bfd_elf_make_dynamic_reloc_section
1958 (sec, htab->elf.dynobj, htab->word_align_power, abfd,
1959 /*rela?*/ TRUE);
1960
1961 if (sreloc == NULL)
1962 return FALSE;
1963 }
1964
1965 /* If this is a global symbol, we count the number of
1966 relocations we need for this symbol. */
1967 if (h != NULL)
190eb1dd 1968 head = &h->dyn_relocs;
aa137e4d
NC		 1969 else
1970 {
1971 /* Track dynamic relocs needed for local syms too.
1972 We really need local syms available to do this
1973 easily. Oh well. */
1974
1975 asection *s;
1976 void *vpp;
1977 Elf_Internal_Sym *isym;
1978
f1dfbfdb 1979 isym = bfd_sym_from_r_symndx (&htab->elf.sym_cache,
aa137e4d
NC		 1980 abfd, r_symndx);
1981 if (isym == NULL)
1982 return FALSE;
1983
1984 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1985 if (s == NULL)
1986 s = sec;
1987
1988 vpp = &elf_section_data (s)->local_dynrel;
3bf083ed 1989 head = (struct elf_dyn_relocs **) vpp;
aa137e4d
NC		 1990 }
1991
1992 p = *head;
1993 if (p == NULL || p->sec != sec)
1994 {
986f0783 1995 size_t amt = sizeof *p;
3bf083ed 1996 p = ((struct elf_dyn_relocs *)
aa137e4d
NC		 1997 bfd_alloc (htab->elf.dynobj, amt));
1998 if (p == NULL)
1999 return FALSE;
2000 p->next = *head;
2001 *head = p;
2002 p->sec = sec;
2003 p->count = 0;
2004 p->pc_count = 0;
2005 }
2006
2007 p->count += 1;
2008 if (tilegx_elf_howto_table[r_type].pc_relative)
2009 p->pc_count += 1;
2010 }
2011
2012 break;
2013
2014 case R_TILEGX_GNU_VTINHERIT:
2015 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
2016 return FALSE;
2017 break;
2018
2019 case R_TILEGX_GNU_VTENTRY:
2020 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
2021 return FALSE;
2022 break;
2023
2024 default:
2025 break;
2026 }
2027 }
2028
2029 return TRUE;
2030}
2031
2032\f
2033asection *
2034tilegx_elf_gc_mark_hook (asection *sec,
2035 struct bfd_link_info *info,
2036 Elf_Internal_Rela *rel,
2037 struct elf_link_hash_entry *h,
2038 Elf_Internal_Sym *sym)
2039{
2040 if (h != NULL)
2041 {
2042 switch (TILEGX_ELF_R_TYPE (rel->r_info))
b45b6908
AM		 2043 {
2044 case R_TILEGX_GNU_VTINHERIT:
2045 case R_TILEGX_GNU_VTENTRY:
2046 return NULL;
2047 }
2048 }
2049
2050 /* FIXME: The test here, in check_relocs and in relocate_section
0e1862bb
L		 2051 dealing with TLS optimization, ought to be !bfd_link_executable (info). */
2052 if (bfd_link_pic (info))
b45b6908 2053 {
8e354058
L		 2054 struct bfd_link_hash_entry *bh;
2055
b45b6908
AM		 2056 switch (TILEGX_ELF_R_TYPE (rel->r_info))
2057 {
2058 case R_TILEGX_TLS_GD_CALL:
2059 /* This reloc implicitly references __tls_get_addr. We know
2060 another reloc will reference the same symbol as the one
2061 on this reloc, so the real symbol and section will be
2062 gc marked when processing the other reloc. That lets
2063 us handle __tls_get_addr here. */
8e354058
L		 2064 bh = NULL;
2065 if (! _bfd_generic_link_add_one_symbol (info, sec->owner,
2066 "__tls_get_addr", 0,
2067 bfd_und_section_ptr,
2068 0, NULL, FALSE,
2069 FALSE, &bh))
2070 return NULL;
2071 h = (struct elf_link_hash_entry *) bh;
b45b6908
AM		 2072 BFD_ASSERT (h != NULL);
2073 h->mark = 1;
60d67dc8
AM		 2074 if (h->is_weakalias)
2075 weakdef (h)->mark = 1;
b45b6908
AM		 2076 sym = NULL;
2077 }
aa137e4d
NC		 2078 }
2079
2080 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
2081}
2082
aa137e4d
NC		 2083/* Adjust a symbol defined by a dynamic object and referenced by a
2084 regular object. The current definition is in some section of the
2085 dynamic object, but we're not including those sections. We have to
2086 change the definition to something the rest of the link can
2087 understand. */
2088
2089bfd_boolean
2090tilegx_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2091 struct elf_link_hash_entry *h)
2092{
2093 struct tilegx_elf_link_hash_table *htab;
aa137e4d 2094 bfd *dynobj;
5474d94f 2095 asection *s, *srel;
aa137e4d
NC		 2096
2097 htab = tilegx_elf_hash_table (info);
2098 BFD_ASSERT (htab != NULL);
2099
2100 dynobj = htab->elf.dynobj;
2101
2102 /* Make sure we know what is going on here. */
2103 BFD_ASSERT (dynobj != NULL
2104 && (h->needs_plt
60d67dc8 2105 || h->is_weakalias
aa137e4d
NC		 2106 || (h->def_dynamic
2107 && h->ref_regular
2108 && !h->def_regular)));
2109
2110 /* If this is a function, put it in the procedure linkage table. We
2111 will fill in the contents of the procedure linkage table later
2112 (although we could actually do it here). */
2113 if (h->type == STT_FUNC || h->needs_plt)
2114 {
2115 if (h->plt.refcount <= 0
2116 || SYMBOL_CALLS_LOCAL (info, h)
2117 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2118 && h->root.type == bfd_link_hash_undefweak))
2119 {
2120 /* This case can occur if we saw a R_TILEGX_JUMPOFF_X1_PLT
07d6d2b8
AM		 2121 reloc in an input file, but the symbol was never referred
2122 to by a dynamic object, or if all references were garbage
2123 collected. In such a case, we don't actually need to build
2124 a procedure linkage table, and we can just do a
2125 R_TILEGX_JUMPOFF_X1 relocation instead. */
aa137e4d
NC		 2126 h->plt.offset = (bfd_vma) -1;
2127 h->needs_plt = 0;
2128 }
2129
2130 return TRUE;
2131 }
2132 else
2133 h->plt.offset = (bfd_vma) -1;
2134
2135 /* If this is a weak symbol, and there is a real definition, the
2136 processor independent code will have arranged for us to see the
2137 real definition first, and we can just use the same value. */
60d67dc8 2138 if (h->is_weakalias)
aa137e4d 2139 {
60d67dc8
AM		 2140 struct elf_link_hash_entry *def = weakdef (h);
2141 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2142 h->root.u.def.section = def->root.u.def.section;
2143 h->root.u.def.value = def->root.u.def.value;
aa137e4d
NC		 2144 return TRUE;
2145 }
2146
2147 /* This is a reference to a symbol defined by a dynamic object which
2148 is not a function. */
2149
2150 /* If we are creating a shared library, we must presume that the
2151 only references to the symbol are via the global offset table.
2152 For such cases we need not do anything here; the relocations will
2153 be handled correctly by relocate_section. */
0e1862bb 2154 if (bfd_link_pic (info))
aa137e4d
NC		 2155 return TRUE;
2156
2157 /* If there are no references to this symbol that do not use the
2158 GOT, we don't need to generate a copy reloc. */
2159 if (!h->non_got_ref)
2160 return TRUE;
2161
2162 /* If -z nocopyreloc was given, we won't generate them either. */
2163 if (info->nocopyreloc)
2164 {
2165 h->non_got_ref = 0;
2166 return TRUE;
2167 }
2168
3bf083ed 2169 /* If we don't find any dynamic relocs in read-only sections, then
aa137e4d 2170 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
5dbc8b37 2171 if (!_bfd_elf_readonly_dynrelocs (h))
aa137e4d
NC		 2172 {
2173 h->non_got_ref = 0;
2174 return TRUE;
2175 }
2176
aa137e4d
NC		 2177 /* We must allocate the symbol in our .dynbss section, which will
2178 become part of the .bss section of the executable. There will be
2179 an entry for this symbol in the .dynsym section. The dynamic
2180 object will contain position independent code, so all references
2181 from the dynamic object to this symbol will go through the global
2182 offset table. The dynamic linker will use the .dynsym entry to
2183 determine the address it must put in the global offset table, so
2184 both the dynamic object and the regular object will refer to the
2185 same memory location for the variable. */
2186
2187 /* We must generate a R_TILEGX_COPY reloc to tell the dynamic linker
2188 to copy the initial value out of the dynamic object and into the
2189 runtime process image. We need to remember the offset into the
2190 .rel.bss section we are going to use. */
5474d94f
AM		 2191 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2192 {
2193 s = htab->elf.sdynrelro;
2194 srel = htab->elf.sreldynrelro;
2195 }
2196 else
2197 {
2198 s = htab->elf.sdynbss;
2199 srel = htab->elf.srelbss;
2200 }
1d7e9d18 2201 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
aa137e4d 2202 {
5474d94f 2203 srel->size += TILEGX_ELF_RELA_BYTES (htab);
aa137e4d
NC		 2204 h->needs_copy = 1;
2205 }
2206
5474d94f 2207 return _bfd_elf_adjust_dynamic_copy (info, h, s);
aa137e4d
NC		 2208}
2209
2210/* Allocate space in .plt, .got and associated reloc sections for
2211 dynamic relocs. */
2212
2213static bfd_boolean
e4d34ace 2214allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
aa137e4d
NC		 2215{
2216 struct bfd_link_info *info;
2217 struct tilegx_elf_link_hash_table *htab;
3bf083ed 2218 struct elf_dyn_relocs *p;
aa137e4d
NC		 2219
2220 if (h->root.type == bfd_link_hash_indirect)
2221 return TRUE;
2222
aa137e4d
NC		 2223 info = (struct bfd_link_info *) inf;
2224 htab = tilegx_elf_hash_table (info);
2225 BFD_ASSERT (htab != NULL);
2226
2227 if (htab->elf.dynamic_sections_created
2228 && h->plt.refcount > 0)
2229 {
2230 /* Make sure this symbol is output as a dynamic symbol.
2231 Undefined weak syms won't yet be marked as dynamic. */
2232 if (h->dynindx == -1
2233 && !h->forced_local)
2234 {
2235 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2236 return FALSE;
2237 }
2238
0e1862bb 2239 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
aa137e4d
NC		 2240 {
2241 asection *s = htab->elf.splt;
2242
2243 /* Allocate room for the header and tail. */
2244 if (s->size == 0)
2245 {
663b5850 2246 s->size = PLT_ENTRY_SIZE;
aa137e4d
NC		 2247 }
2248
07d6d2b8 2249 h->plt.offset = s->size - PLT_ENTRY_SIZE + PLT_HEADER_SIZE;
aa137e4d
NC		 2250
2251 /* If this symbol is not defined in a regular file, and we are
2252 not generating a shared library, then set the symbol to this
2253 location in the .plt. This is required to make function
2254 pointers compare as equal between the normal executable and
2255 the shared library. */
0e1862bb 2256 if (! bfd_link_pic (info)
aa137e4d
NC		 2257 && !h->def_regular)
2258 {
2259 h->root.u.def.section = s;
2260 h->root.u.def.value = h->plt.offset;
2261 }
2262
2263 /* Make room for this entry. */
2264 s->size += PLT_ENTRY_SIZE;
2265
2266 /* We also need to make an entry in the .got.plt section. */
2267 htab->elf.sgotplt->size += GOT_ENTRY_SIZE (htab);
2268
2269 /* We also need to make an entry in the .rela.plt section. */
2270 htab->elf.srelplt->size += TILEGX_ELF_RELA_BYTES (htab);
2271 }
2272 else
2273 {
2274 h->plt.offset = (bfd_vma) -1;
2275 h->needs_plt = 0;
2276 }
2277 }
2278 else
2279 {
2280 h->plt.offset = (bfd_vma) -1;
2281 h->needs_plt = 0;
2282 }
2283
6f7be959
WL		 2284 /* If a TLS_IE symbol is now local to the binary, make it a TLS_LE
2285 requiring no TLS entry. */
2286 if (h->got.refcount > 0
2287 && !htab->disable_le_transition
28095894 2288 && bfd_link_executable (info)
6f7be959
WL		 2289 && h->dynindx == -1
2290 && tilegx_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2291 h->got.offset = (bfd_vma) -1;
2292 else if (h->got.refcount > 0)
aa137e4d
NC		 2293 {
2294 asection *s;
2295 bfd_boolean dyn;
2296 int tls_type = tilegx_elf_hash_entry(h)->tls_type;
2297
2298 /* Make sure this symbol is output as a dynamic symbol.
2299 Undefined weak syms won't yet be marked as dynamic. */
2300 if (h->dynindx == -1
2301 && !h->forced_local)
2302 {
2303 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2304 return FALSE;
2305 }
2306
2307 s = htab->elf.sgot;
2308 h->got.offset = s->size;
2309 s->size += TILEGX_ELF_WORD_BYTES (htab);
2310 /* TLS_GD entries need 2 consecutive GOT slots. */
2311 if (tls_type == GOT_TLS_GD)
07d6d2b8 2312 s->size += TILEGX_ELF_WORD_BYTES (htab);
aa137e4d
NC		 2313 dyn = htab->elf.dynamic_sections_created;
2314 /* TLS_IE needs one dynamic relocation,
07d6d2b8 2315 TLS_GD needs two if local symbol and two if global. */
aa137e4d
NC		 2316 if (tls_type == GOT_TLS_GD || tls_type == GOT_TLS_IE)
2317 htab->elf.srelgot->size += 2 * TILEGX_ELF_RELA_BYTES (htab);
0e1862bb
L		 2318 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2319 bfd_link_pic (info),
2320 h))
aa137e4d
NC		 2321 htab->elf.srelgot->size += TILEGX_ELF_RELA_BYTES (htab);
2322 }
2323 else
2324 h->got.offset = (bfd_vma) -1;
2325
190eb1dd 2326 if (h->dyn_relocs == NULL)
aa137e4d
NC		 2327 return TRUE;
2328
2329 /* In the shared -Bsymbolic case, discard space allocated for
2330 dynamic pc-relative relocs against symbols which turn out to be
2331 defined in regular objects. For the normal shared case, discard
2332 space for pc-relative relocs that have become local due to symbol
2333 visibility changes. */
2334
0e1862bb 2335 if (bfd_link_pic (info))
aa137e4d
NC		 2336 {
2337 if (SYMBOL_CALLS_LOCAL (info, h))
2338 {
3bf083ed 2339 struct elf_dyn_relocs **pp;
aa137e4d 2340
190eb1dd 2341 for (pp = &h->dyn_relocs; (p = *pp) != NULL; )
aa137e4d
NC		 2342 {
2343 p->count -= p->pc_count;
2344 p->pc_count = 0;
2345 if (p->count == 0)
2346 *pp = p->next;
2347 else
2348 pp = &p->next;
2349 }
2350 }
2351
2352 /* Also discard relocs on undefined weak syms with non-default
2353 visibility. */
190eb1dd 2354 if (h->dyn_relocs != NULL
aa137e4d
NC		 2355 && h->root.type == bfd_link_hash_undefweak)
2356 {
a3cd202a
L		 2357 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2358 || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
190eb1dd 2359 h->dyn_relocs = NULL;
aa137e4d
NC		 2360
2361 /* Make sure undefined weak symbols are output as a dynamic
2362 symbol in PIEs. */
2363 else if (h->dynindx == -1
2364 && !h->forced_local)
2365 {
2366 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2367 return FALSE;
2368 }
2369 }
2370 }
2371 else
2372 {
2373 /* For the non-shared case, discard space for relocs against
2374 symbols which turn out to need copy relocs or are not
2375 dynamic. */
2376
2377 if (!h->non_got_ref
2378 && ((h->def_dynamic
2379 && !h->def_regular)
2380 || (htab->elf.dynamic_sections_created
2381 && (h->root.type == bfd_link_hash_undefweak
2382 || h->root.type == bfd_link_hash_undefined))))
2383 {
2384 /* Make sure this symbol is output as a dynamic symbol.
2385 Undefined weak syms won't yet be marked as dynamic. */
2386 if (h->dynindx == -1
2387 && !h->forced_local)
2388 {
2389 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2390 return FALSE;
2391 }
2392
2393 /* If that succeeded, we know we'll be keeping all the
2394 relocs. */
2395 if (h->dynindx != -1)
2396 goto keep;
2397 }
2398
190eb1dd 2399 h->dyn_relocs = NULL;
aa137e4d
NC		 2400
2401 keep: ;
2402 }
2403
2404 /* Finally, allocate space. */
190eb1dd 2405 for (p = h->dyn_relocs; p != NULL; p = p->next)
aa137e4d
NC		 2406 {
2407 asection *sreloc = elf_section_data (p->sec)->sreloc;
2408 sreloc->size += p->count * TILEGX_ELF_RELA_BYTES (htab);
2409 }
2410
2411 return TRUE;
2412}
2413
aa137e4d
NC		 2414/* Return true if the dynamic symbol for a given section should be
2415 omitted when creating a shared library. */
2416
2417bfd_boolean
2418tilegx_elf_omit_section_dynsym (bfd *output_bfd,
2419 struct bfd_link_info *info,
2420 asection *p)
2421{
2422 /* We keep the .got section symbol so that explicit relocations
2423 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2424 can be turned into relocations against the .got symbol. */
2425 if (strcmp (p->name, ".got") == 0)
2426 return FALSE;
2427
d00dd7dc 2428 return _bfd_elf_omit_section_dynsym_default (output_bfd, info, p);
aa137e4d
NC		 2429}
2430
2431bfd_boolean
2432tilegx_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2433 struct bfd_link_info *info)
2434{
2435 struct tilegx_elf_link_hash_table *htab;
2436 bfd *dynobj;
2437 asection *s;
2438 bfd *ibfd;
2439
2440 htab = tilegx_elf_hash_table (info);
2441 BFD_ASSERT (htab != NULL);
2442 dynobj = htab->elf.dynobj;
2443 BFD_ASSERT (dynobj != NULL);
2444
2445 if (elf_hash_table (info)->dynamic_sections_created)
2446 {
2447 /* Set the contents of the .interp section to the interpreter. */
9b8b325a 2448 if (bfd_link_executable (info) && !info->nointerp)
aa137e4d 2449 {
3d4d4302 2450 s = bfd_get_linker_section (dynobj, ".interp");
aa137e4d
NC		 2451 BFD_ASSERT (s != NULL);
2452 s->size = strlen (htab->dynamic_interpreter) + 1;
2453 s->contents = (unsigned char *) htab->dynamic_interpreter;
2454 }
2455 }
2456
2457 /* Set up .got offsets for local syms, and space for local dynamic
2458 relocs. */
c72f2fb2 2459 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
aa137e4d
NC		 2460 {
2461 bfd_signed_vma *local_got;
2462 bfd_signed_vma *end_local_got;
2463 char *local_tls_type;
2464 bfd_size_type locsymcount;
2465 Elf_Internal_Shdr *symtab_hdr;
2466 asection *srel;
2467
2468 if (! is_tilegx_elf (ibfd))
2469 continue;
2470
2471 for (s = ibfd->sections; s != NULL; s = s->next)
2472 {
3bf083ed 2473 struct elf_dyn_relocs *p;
aa137e4d
NC		 2474
2475 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2476 {
2477 if (!bfd_is_abs_section (p->sec)
2478 && bfd_is_abs_section (p->sec->output_section))
2479 {
2480 /* Input section has been discarded, either because
2481 it is a copy of a linkonce section or due to
2482 linker script /DISCARD/, so we'll be discarding
2483 the relocs too. */
2484 }
2485 else if (p->count != 0)
2486 {
2487 srel = elf_section_data (p->sec)->sreloc;
2488 srel->size += p->count * TILEGX_ELF_RELA_BYTES (htab);
2489 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
007873f5
L		 2490 {
2491 info->flags |= DF_TEXTREL;
2492
871b3ab2 2493 info->callbacks->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
007873f5
L		 2494 p->sec->owner, p->sec);
2495 }
aa137e4d
NC		 2496 }
2497 }
2498 }
2499
2500 local_got = elf_local_got_refcounts (ibfd);
2501 if (!local_got)
2502 continue;
2503
2504 symtab_hdr = &elf_symtab_hdr (ibfd);
2505 locsymcount = symtab_hdr->sh_info;
2506 end_local_got = local_got + locsymcount;
2507 local_tls_type = _bfd_tilegx_elf_local_got_tls_type (ibfd);
2508 s = htab->elf.sgot;
2509 srel = htab->elf.srelgot;
2510 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2511 {
2512 if (*local_got > 0)
2513 {
2514 *local_got = s->size;
2515 s->size += TILEGX_ELF_WORD_BYTES (htab);
07d6d2b8
AM		 2516 if (*local_tls_type == GOT_TLS_GD)
2517 s->size += TILEGX_ELF_WORD_BYTES (htab);
2518 if (bfd_link_pic (info)
2519 || *local_tls_type == GOT_TLS_GD
2520 || *local_tls_type == GOT_TLS_IE)
aa137e4d
NC		 2521 srel->size += TILEGX_ELF_RELA_BYTES (htab);
2522 }
2523 else
2524 *local_got = (bfd_vma) -1;
2525 }
2526 }
2527
2528 /* Allocate global sym .plt and .got entries, and space for global
2529 sym dynamic relocs. */
e4d34ace 2530 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
aa137e4d
NC		 2531
2532 if (elf_hash_table (info)->dynamic_sections_created)
2533 {
2534 /* If the .got section is more than 0x8000 bytes, we add
2535 0x8000 to the value of _GLOBAL_OFFSET_TABLE_, so that 16
2536 bit relocations have a greater chance of working. */
2537 if (htab->elf.sgot->size >= 0x8000
2538 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2539 elf_hash_table (info)->hgot->root.u.def.value = 0x8000;
2540 }
2541
2542 if (htab->elf.sgotplt)
2543 {
2544 struct elf_link_hash_entry *got;
2545 got = elf_link_hash_lookup (elf_hash_table (info),
2546 "_GLOBAL_OFFSET_TABLE_",
2547 FALSE, FALSE, FALSE);
2548
2549 /* Don't allocate .got.plt section if there are no GOT nor PLT
07d6d2b8 2550 entries and there is no refeence to _GLOBAL_OFFSET_TABLE_. */
aa137e4d
NC		 2551 if ((got == NULL
2552 || !got->ref_regular_nonweak)
2553 && (htab->elf.sgotplt->size
2554 == (unsigned)GOTPLT_HEADER_SIZE (htab))
2555 && (htab->elf.splt == NULL
2556 || htab->elf.splt->size == 0)
2557 && (htab->elf.sgot == NULL
2558 || (htab->elf.sgot->size
2559 == get_elf_backend_data (output_bfd)->got_header_size)))
2560 htab->elf.sgotplt->size = 0;
2561 }
2562
2563 /* The check_relocs and adjust_dynamic_symbol entry points have
2564 determined the sizes of the various dynamic sections. Allocate
2565 memory for them. */
2566 for (s = dynobj->sections; s != NULL; s = s->next)
2567 {
2568 if ((s->flags & SEC_LINKER_CREATED) == 0)
2569 continue;
2570
2571 if (s == htab->elf.splt
2572 || s == htab->elf.sgot
2573 || s == htab->elf.sgotplt
5474d94f
AM		 2574 || s == htab->elf.sdynbss
2575 || s == htab->elf.sdynrelro)
aa137e4d
NC		 2576 {
2577 /* Strip this section if we don't need it; see the
2578 comment below. */
2579 }
2580 else if (strncmp (s->name, ".rela", 5) == 0)
2581 {
2582 if (s->size != 0)
2583 {
2584 /* We use the reloc_count field as a counter if we need
2585 to copy relocs into the output file. */
2586 s->reloc_count = 0;
2587 }
2588 }
2589 else
2590 {
2591 /* It's not one of our sections. */
2592 continue;
2593 }
2594
2595 if (s->size == 0)
2596 {
2597 /* If we don't need this section, strip it from the
2598 output file. This is mostly to handle .rela.bss and
2599 .rela.plt. We must create both sections in
2600 create_dynamic_sections, because they must be created
2601 before the linker maps input sections to output
2602 sections. The linker does that before
2603 adjust_dynamic_symbol is called, and it is that
2604 function which decides whether anything needs to go
2605 into these sections. */
2606 s->flags |= SEC_EXCLUDE;
2607 continue;
2608 }
2609
2610 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2611 continue;
2612
2613 /* Allocate memory for the section contents. Zero the memory
2614 for the benefit of .rela.plt, which has 4 unused entries
2615 at the beginning, and we don't want garbage. */
2616 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2617 if (s->contents == NULL)
2618 return FALSE;
2619 }
2620
3084d7a2 2621 return _bfd_elf_add_dynamic_tags (output_bfd, info, TRUE);
aa137e4d
NC		 2622}
2623\f
2624/* Return the base VMA address which should be subtracted from real addresses
2625 when resolving @dtpoff relocation.
2626 This is PT_TLS segment p_vaddr. */
2627
2628static bfd_vma
2629dtpoff_base (struct bfd_link_info *info)
2630{
2631 /* If tls_sec is NULL, we should have signalled an error already. */
2632 if (elf_hash_table (info)->tls_sec == NULL)
2633 return 0;
2634 return elf_hash_table (info)->tls_sec->vma;
2635}
2636
2637/* Return the relocation value for @tpoff relocation. */
2638
2639static bfd_vma
2640tpoff (struct bfd_link_info *info, bfd_vma address)
2641{
2642 struct elf_link_hash_table *htab = elf_hash_table (info);
2643
2644 /* If tls_sec is NULL, we should have signalled an error already. */
2645 if (htab->tls_sec == NULL)
2646 return 0;
2647
2648 return (address - htab->tls_sec->vma);
2649}
2650
6f7be959
WL		 2651/* Copy SIZE bits from FROM to TO at address ADDR. */
2652
2653static void
2654tilegx_copy_bits (bfd_byte *addr, int from, int to, int size)
2655{
2656 int i;
2657 for (i = 0; i < size; i++)
2658 {
2659 int from_byte = (from + i) / 8;
2660 int from_bit = (from + i) % 8;
2661 int to_byte = (to + i) / 8;
2662 int to_bit = (to + i) % 8;
2663 bfd_byte to_mask = 1 << to_bit;
2664 addr[to_byte] = (addr[to_byte] & ~to_mask)
2665 | ((addr[from_byte] >> from_bit << to_bit) & to_mask);
2666 }
2667}
2668
2669/* Replace the MASK bits in ADDR with those in INSN, for the next
2670 TILEGX_BUNDLE_SIZE_IN_BYTES bytes. */
2671
2672static void
2673tilegx_replace_insn (bfd_byte *addr, const bfd_byte *mask,
2674 const bfd_byte *insn)
2675{
2676 int i;
2677 for (i = 0; i < TILEGX_BUNDLE_SIZE_IN_BYTES; i++)
2678 {
2679 addr[i] = (addr[i] & ~mask[i]) | (insn[i] & mask[i]);
2680 }
2681}
2682
2683/* Mask to extract the bits corresponding to an instruction in a
2684 specific pipe of a bundle. */
2685static const bfd_byte insn_mask_X1[] = {
2686 0x00, 0x00, 0x00, 0x80, 0xff, 0xff, 0xff, 0x3f
2687};
2688
2689/* Mask to extract the bits corresponding to an instruction in a
2690 specific pipe of a bundle, minus the destination operand and the
2691 first source operand. */
68ffbac6 2692static const bfd_byte insn_mask_X0_no_dest_no_srca[] = {
6f7be959
WL		 2693 0x00, 0xf0, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00
2694};
2695
2696static const bfd_byte insn_mask_X1_no_dest_no_srca[] = {
2697 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0x3f
2698};
2699
2700static const bfd_byte insn_mask_Y0_no_dest_no_srca[] = {
2701 0x00, 0xf0, 0x0f, 0x78, 0x00, 0x00, 0x00, 0x00
2702};
2703static const bfd_byte insn_mask_Y1_no_dest_no_srca[] = {
2704 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x07, 0x3c
2705};
2706
2707/* Mask to extract the bits corresponding to an instruction in a
2708 specific pipe of a bundle, minus the register operands. */
2709static const bfd_byte insn_mask_X0_no_operand[] = {
2710 0x00, 0x00, 0xfc, 0x7f, 0x00, 0x00, 0x00, 0x00
2711};
2712
2713static const bfd_byte insn_mask_X1_no_operand[] = {
2714 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x3f
2715};
2716
2717static const bfd_byte insn_mask_Y0_no_operand[] = {
2718 0x00, 0x00, 0x0c, 0x78, 0x00, 0x00, 0x00, 0x00
2719};
2720
2721static const bfd_byte insn_mask_Y1_no_operand[] = {
2722 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x3c
2723};
2724
2725/* Various instructions synthesized to support tls references. */
2726
2727/* ld r0, r0 in the X1 pipe, used for tls ie. */
2728static const bfd_byte insn_tls_ie_ld_X1[] = {
2729 0x00, 0x00, 0x00, 0x00, 0x00, 0xe8, 0x6a, 0x28
2730};
2731
2732/* ld4s r0, r0 in the X1 pipe, used for tls ie. */
2733static const bfd_byte insn_tls_ie_ld4s_X1[] = {
2734 0x00, 0x00, 0x00, 0x00, 0x00, 0x98, 0x6a, 0x28
2735};
2736
2737/* add r0, r0, tp in various pipes, used for tls ie. */
2738static const bfd_byte insn_tls_ie_add_X0X1[] = {
2739 0x00, 0x50, 0x0f, 0x50, 0x00, 0xa8, 0x07, 0x28
2740};
2741static const bfd_byte insn_tls_ie_add_Y0Y1[] = {
2742 0x00, 0x50, 0x27, 0x2c, 0x00, 0xa8, 0x13, 0x9a
2743};
2744
2745/* addx r0, r0, tp in various pipes, used for tls ie. */
2746static const bfd_byte insn_tls_ie_addx_X0X1[] = {
2747 0x00, 0x50, 0x0b, 0x50, 0x00, 0xa8, 0x05, 0x28
2748};
2749static const bfd_byte insn_tls_ie_addx_Y0Y1[] = {
2750 0x00, 0x50, 0x03, 0x2c, 0x00, 0xa8, 0x01, 0x9a
2751};
2752
2753/* move r0, r0 in various pipes, used for tls gd. */
2754static const bfd_byte insn_tls_gd_add_X0X1[] = {
2755 0x00, 0xf0, 0x07, 0x51, 0x00, 0xf8, 0x3b, 0x28
2756};
2757static const bfd_byte insn_tls_gd_add_Y0Y1[] = {
2758 0x00, 0xf0, 0x0b, 0x54, 0x00, 0xf8, 0x05, 0xae
2759};
2760
2761static const bfd_byte *insn_move_X0X1 = insn_tls_gd_add_X0X1;
2762static const bfd_byte *insn_move_Y0Y1 = insn_tls_gd_add_Y0Y1;
2763
2764static const bfd_byte *insn_add_X0X1 = insn_tls_ie_add_X0X1;
2765static const bfd_byte *insn_add_Y0Y1 = insn_tls_ie_add_Y0Y1;
2766
2767static const bfd_byte *insn_addx_X0X1 = insn_tls_ie_addx_X0X1;
2768static const bfd_byte *insn_addx_Y0Y1 = insn_tls_ie_addx_Y0Y1;
2769
aa137e4d
NC		 2770/* Relocate an TILEGX ELF section.
2771
2772 The RELOCATE_SECTION function is called by the new ELF backend linker
2773 to handle the relocations for a section.
2774
2775 The relocs are always passed as Rela structures.
2776
2777 This function is responsible for adjusting the section contents as
2778 necessary, and (if generating a relocatable output file) adjusting
2779 the reloc addend as necessary.
2780
2781 This function does not have to worry about setting the reloc
2782 address or the reloc symbol index.
2783
2784 LOCAL_SYMS is a pointer to the swapped in local symbols.
2785
2786 LOCAL_SECTIONS is an array giving the section in the input file
2787 corresponding to the st_shndx field of each local symbol.
2788
2789 The global hash table entry for the global symbols can be found
2790 via elf_sym_hashes (input_bfd).
2791
2792 When generating relocatable output, this function must handle
2793 STB_LOCAL/STT_SECTION symbols specially. The output symbol is
2794 going to be the section symbol corresponding to the output
2795 section, which means that the addend must be adjusted
2796 accordingly. */
2797
2798bfd_boolean
2799tilegx_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
2800 bfd *input_bfd, asection *input_section,
2801 bfd_byte *contents, Elf_Internal_Rela *relocs,
2802 Elf_Internal_Sym *local_syms,
2803 asection **local_sections)
2804{
2805 struct tilegx_elf_link_hash_table *htab;
2806 Elf_Internal_Shdr *symtab_hdr;
2807 struct elf_link_hash_entry **sym_hashes;
2808 bfd_vma *local_got_offsets;
535127d2 2809 bfd_vma got_base;
aa137e4d
NC		 2810 asection *sreloc;
2811 Elf_Internal_Rela *rel;
2812 Elf_Internal_Rela *relend;
2813 int num_relocs;
2814
2815 htab = tilegx_elf_hash_table (info);
2816 BFD_ASSERT (htab != NULL);
2817 symtab_hdr = &elf_symtab_hdr (input_bfd);
2818 sym_hashes = elf_sym_hashes (input_bfd);
2819 local_got_offsets = elf_local_got_offsets (input_bfd);
2820
535127d2
WL		 2821 if (elf_hash_table (info)->hgot == NULL)
2822 got_base = 0;
2823 else
2824 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2825
aa137e4d
NC		 2826 sreloc = elf_section_data (input_section)->sreloc;
2827
2828 rel = relocs;
2829 num_relocs = input_section->reloc_count;
2830 relend = relocs + num_relocs;
2831 for (; rel < relend; rel++)
2832 {
2833 int r_type, tls_type;
6f7be959 2834 bfd_boolean is_tls_iele, is_tls_le;
aa137e4d
NC		 2835 reloc_howto_type *howto;
2836 unsigned long r_symndx;
2837 struct elf_link_hash_entry *h;
2838 Elf_Internal_Sym *sym;
2839 tilegx_create_func create_func;
2840 asection *sec;
2841 bfd_vma relocation;
2842 bfd_reloc_status_type r;
2843 const char *name;
2844 bfd_vma off;
2845 bfd_boolean is_plt = FALSE;
a3cd202a 2846 bfd_boolean resolved_to_zero;
aa137e4d
NC		 2847 bfd_boolean unresolved_reloc;
2848
2849 r_type = TILEGX_ELF_R_TYPE (rel->r_info);
2850 if (r_type == R_TILEGX_GNU_VTINHERIT
2851 || r_type == R_TILEGX_GNU_VTENTRY)
2852 continue;
2853
2854 if ((unsigned int)r_type >= ARRAY_SIZE (tilegx_elf_howto_table))
47aeb64c 2855 return _bfd_unrecognized_reloc (input_bfd, input_section, r_type);
aa137e4d
NC		 2856
2857 howto = tilegx_elf_howto_table + r_type;
2858
2859 /* This is a final link. */
2860 r_symndx = TILEGX_ELF_R_SYMNDX (htab, rel->r_info);
2861 h = NULL;
2862 sym = NULL;
2863 sec = NULL;
2864 unresolved_reloc = FALSE;
2865 if (r_symndx < symtab_hdr->sh_info)
2866 {
2867 sym = local_syms + r_symndx;
2868 sec = local_sections[r_symndx];
2869 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2870 }
2871 else
2872 {
62d887d4
L		 2873 bfd_boolean warned ATTRIBUTE_UNUSED;
2874 bfd_boolean ignored ATTRIBUTE_UNUSED;
aa137e4d
NC		 2875
2876 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2877 r_symndx, symtab_hdr, sym_hashes,
2878 h, sec, relocation,
62d887d4 2879 unresolved_reloc, warned, ignored);
aa137e4d
NC		 2880 if (warned)
2881 {
2882 /* To avoid generating warning messages about truncated
2883 relocations, set the relocation's address to be the same as
2884 the start of this section. */
2885 if (input_section->output_section != NULL)
2886 relocation = input_section->output_section->vma;
2887 else
2888 relocation = 0;
2889 }
2890 }
2891
dbaa2011 2892 if (sec != NULL && discarded_section (sec))
aa137e4d 2893 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 2894 rel, 1, relend, howto, 0, contents);
aa137e4d 2895
0e1862bb 2896 if (bfd_link_relocatable (info))
aa137e4d
NC		 2897 continue;
2898
2899 if (h != NULL)
2900 name = h->root.root.string;
2901 else
2902 {
2903 name = (bfd_elf_string_from_elf_section
2904 (input_bfd, symtab_hdr->sh_link, sym->st_name));
2905 if (name == NULL || *name == '\0')
fd361982 2906 name = bfd_section_name (sec);
aa137e4d
NC		 2907 }
2908
6f7be959
WL		 2909 switch (r_type)
2910 {
2911 case R_TILEGX_TLS_GD_CALL:
2912 case R_TILEGX_IMM8_X0_TLS_GD_ADD:
2913 case R_TILEGX_IMM8_Y0_TLS_GD_ADD:
2914 case R_TILEGX_IMM8_X1_TLS_GD_ADD:
2915 case R_TILEGX_IMM8_Y1_TLS_GD_ADD:
2916 case R_TILEGX_IMM8_X0_TLS_ADD:
2917 case R_TILEGX_IMM8_Y0_TLS_ADD:
2918 case R_TILEGX_IMM8_X1_TLS_ADD:
2919 case R_TILEGX_IMM8_Y1_TLS_ADD:
2920 tls_type = GOT_UNKNOWN;
2921 if (h == NULL && local_got_offsets)
2922 tls_type =
2923 _bfd_tilegx_elf_local_got_tls_type (input_bfd) [r_symndx];
2924 else if (h != NULL)
2925 tls_type = tilegx_elf_hash_entry(h)->tls_type;
2926
28095894 2927 is_tls_iele = (bfd_link_executable (info) || tls_type == GOT_TLS_IE);
6f7be959 2928 is_tls_le = is_tls_iele && (!input_section->sec_flg0
28095894 2929 && bfd_link_executable (info)
6f7be959
WL		 2930 && (h == NULL || h->dynindx == -1));
2931
2932 if (r_type == R_TILEGX_TLS_GD_CALL)
2933 {
2934 if (is_tls_le)
2935 {
2936 /* GD -> LE */
2937 tilegx_replace_insn (contents + rel->r_offset,
2938 insn_mask_X1, insn_move_X0X1);
2939 continue;
2940 }
2941 else if (is_tls_iele)
2942 {
2943 /* GD -> IE */
2944 if (ABI_64_P (output_bfd))
2945 tilegx_replace_insn (contents + rel->r_offset,
2946 insn_mask_X1, insn_tls_ie_ld_X1);
2947 else
2948 tilegx_replace_insn (contents + rel->r_offset,
2949 insn_mask_X1, insn_tls_ie_ld4s_X1);
2950 continue;
2951 }
2952
2953 /* GD -> GD */
2954 h = (struct elf_link_hash_entry *)
2955 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
2956 FALSE, TRUE);
2957 BFD_ASSERT (h != NULL);
2958 r_type = R_TILEGX_JUMPOFF_X1_PLT;
2959 howto = tilegx_elf_howto_table + r_type;
2960 }
2961 else if (r_type == R_TILEGX_IMM8_X0_TLS_ADD
2962 || r_type == R_TILEGX_IMM8_X1_TLS_ADD
2963 || r_type == R_TILEGX_IMM8_Y0_TLS_ADD
2964 || r_type == R_TILEGX_IMM8_Y1_TLS_ADD)
2965 {
2966 bfd_boolean is_pipe0 =
2967 (r_type == R_TILEGX_IMM8_X0_TLS_ADD
2968 || r_type == R_TILEGX_IMM8_Y0_TLS_ADD);
2969 bfd_boolean is_X0X1 =
2970 (r_type == R_TILEGX_IMM8_X0_TLS_ADD
2971 || r_type == R_TILEGX_IMM8_X1_TLS_ADD);
2972 int dest_begin = is_pipe0 ? 0 : 31;
2973 int src_begin;
2974 const bfd_byte *insn;
84abc003 2975 const bfd_byte *mask = NULL;
6f7be959
WL		 2976
2977 if (is_tls_le)
2978 {
2979 /* 1. copy dest operand into the first source operand.
2980 2. change the opcode to "move". */
2981 src_begin = is_pipe0 ? 6 : 37;
2982 insn = is_X0X1 ? insn_move_X0X1 : insn_move_Y0Y1;
2983
2984 switch (r_type)
2985 {
2986 case R_TILEGX_IMM8_X0_TLS_ADD:
2987 mask = insn_mask_X0_no_dest_no_srca;
2988 break;
2989 case R_TILEGX_IMM8_X1_TLS_ADD:
2990 mask = insn_mask_X1_no_dest_no_srca;
2991 break;
2992 case R_TILEGX_IMM8_Y0_TLS_ADD:
2993 mask = insn_mask_Y0_no_dest_no_srca;
2994 break;
2995 case R_TILEGX_IMM8_Y1_TLS_ADD:
2996 mask = insn_mask_Y1_no_dest_no_srca;
2997 break;
2998 }
2999 }
3000 else
3001 {
3002 /* 1. copy dest operand into the second source operand.
3003 2. change the opcode to "add". */
3004 src_begin = is_pipe0 ? 12 : 43;
3005 if (ABI_64_P (output_bfd))
3006 insn = is_X0X1 ? insn_add_X0X1 : insn_add_Y0Y1;
3007 else
3008 insn = is_X0X1 ? insn_addx_X0X1 : insn_addx_Y0Y1;
3009
3010 switch (r_type)
3011 {
3012 case R_TILEGX_IMM8_X0_TLS_ADD:
3013 mask = insn_mask_X0_no_operand;
3014 break;
3015 case R_TILEGX_IMM8_X1_TLS_ADD:
3016 mask = insn_mask_X1_no_operand;
3017 break;
3018 case R_TILEGX_IMM8_Y0_TLS_ADD:
3019 mask = insn_mask_Y0_no_operand;
3020 break;
3021 case R_TILEGX_IMM8_Y1_TLS_ADD:
3022 mask = insn_mask_Y1_no_operand;
3023 break;
3024 }
3025 }
3026
3027 tilegx_copy_bits (contents + rel->r_offset, dest_begin,
3028 src_begin, 6);
3029 tilegx_replace_insn (contents + rel->r_offset, mask, insn);
3030
3031 continue;
3032 }
3033 else
3034 {
3035 const bfd_byte *mask = NULL;
3036 const bfd_byte *add_insn = NULL;
3037 bfd_boolean is_64bit = ABI_64_P (output_bfd);
3038
3039 switch (r_type)
3040 {
3041 case R_TILEGX_IMM8_X0_TLS_GD_ADD:
3042 add_insn = is_tls_iele
3043 ? (is_64bit ? insn_tls_ie_add_X0X1 : insn_tls_ie_addx_X0X1)
3044 : insn_tls_gd_add_X0X1;
3045 mask = insn_mask_X0_no_dest_no_srca;
3046 break;
3047 case R_TILEGX_IMM8_X1_TLS_GD_ADD:
3048 add_insn = is_tls_iele
3049 ? (is_64bit ? insn_tls_ie_add_X0X1 : insn_tls_ie_addx_X0X1)
3050 : insn_tls_gd_add_X0X1;
3051 mask = insn_mask_X1_no_dest_no_srca;
3052 break;
3053 case R_TILEGX_IMM8_Y0_TLS_GD_ADD:
3054 add_insn = is_tls_iele
3055 ? (is_64bit ? insn_tls_ie_add_Y0Y1 : insn_tls_ie_addx_Y0Y1)
3056 : insn_tls_gd_add_Y0Y1;
3057 mask = insn_mask_Y0_no_dest_no_srca;
3058 break;
3059 case R_TILEGX_IMM8_Y1_TLS_GD_ADD:
3060 add_insn = is_tls_iele
3061 ? (is_64bit ? insn_tls_ie_add_Y0Y1 : insn_tls_ie_addx_Y0Y1)
3062 : insn_tls_gd_add_Y0Y1;
3063 mask = insn_mask_Y1_no_dest_no_srca;
3064 break;
3065 }
3066
3067 tilegx_replace_insn (contents + rel->r_offset, mask, add_insn);
3068
3069 continue;
3070 }
3071 break;
3072 case R_TILEGX_TLS_IE_LOAD:
3073 if (!input_section->sec_flg0
28095894 3074 && bfd_link_executable (info)
6f7be959
WL		 3075 && (h == NULL || h->dynindx == -1))
3076 {
3077 /* IE -> LE */
3078 tilegx_replace_insn (contents + rel->r_offset,
3079 insn_mask_X1_no_dest_no_srca,
3080 insn_move_X0X1);
3081 }
3082 else
3083 {
3084 /* IE -> IE */
3085 if (ABI_64_P (output_bfd))
3086 tilegx_replace_insn (contents + rel->r_offset,
3087 insn_mask_X1_no_dest_no_srca,
3088 insn_tls_ie_ld_X1);
3089 else
3090 tilegx_replace_insn (contents + rel->r_offset,
3091 insn_mask_X1_no_dest_no_srca,
3092 insn_tls_ie_ld4s_X1);
3093 }
3094 continue;
3095 break;
3096 default:
3097 break;
3098 }
3099
a3cd202a
L		 3100 resolved_to_zero = (h != NULL
3101 && UNDEFWEAK_NO_DYNAMIC_RELOC (info, h));
3102
aa137e4d
NC		 3103 switch (r_type)
3104 {
3105 case R_TILEGX_IMM16_X0_HW0_GOT:
3106 case R_TILEGX_IMM16_X1_HW0_GOT:
aa137e4d
NC		 3107 case R_TILEGX_IMM16_X0_HW0_LAST_GOT:
3108 case R_TILEGX_IMM16_X1_HW0_LAST_GOT:
3109 case R_TILEGX_IMM16_X0_HW1_LAST_GOT:
3110 case R_TILEGX_IMM16_X1_HW1_LAST_GOT:
aa137e4d
NC		 3111 /* Relocation is to the entry for this symbol in the global
3112 offset table. */
3113 if (htab->elf.sgot == NULL)
3114 abort ();
3115
3116 if (h != NULL)
3117 {
3118 bfd_boolean dyn;
3119
3120 off = h->got.offset;
3121 BFD_ASSERT (off != (bfd_vma) -1);
3122 dyn = elf_hash_table (info)->dynamic_sections_created;
3123
0e1862bb
L		 3124 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3125 bfd_link_pic (info),
3126 h)
3127 || (bfd_link_pic (info)
aa137e4d
NC		 3128 && SYMBOL_REFERENCES_LOCAL (info, h)))
3129 {
3130 /* This is actually a static link, or it is a
3131 -Bsymbolic link and the symbol is defined
3132 locally, or the symbol was forced to be local
3133 because of a version file. We must initialize
3134 this entry in the global offset table. Since the
3135 offset must always be a multiple
3136 of 8 for 64-bit, we use the least significant bit
3137 to record whether we have initialized it already.
3138
3139 When doing a dynamic link, we create a .rela.got
3140 relocation entry to initialize the value. This
3141 is done in the finish_dynamic_symbol routine. */
3142 if ((off & 1) != 0)
3143 off &= ~1;
3144 else
3145 {
3146 TILEGX_ELF_PUT_WORD (htab, output_bfd, relocation,
3147 htab->elf.sgot->contents + off);
3148 h->got.offset |= 1;
3149 }
3150 }
3151 else
3152 unresolved_reloc = FALSE;
3153 }
3154 else
3155 {
3156 BFD_ASSERT (local_got_offsets != NULL
3157 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3158
3159 off = local_got_offsets[r_symndx];
3160
3161 /* The offset must always be a multiple of 8 on 64-bit.
07d6d2b8 3162 We use the least significant bit to record
aa137e4d
NC		 3163 whether we have already processed this entry. */
3164 if ((off & 1) != 0)
3165 off &= ~1;
3166 else
3167 {
0e1862bb 3168 if (bfd_link_pic (info))
aa137e4d
NC		 3169 {
3170 asection *s;
3171 Elf_Internal_Rela outrel;
3172
3173 /* We need to generate a R_TILEGX_RELATIVE reloc
3174 for the dynamic linker. */
3175 s = htab->elf.srelgot;
3176 BFD_ASSERT (s != NULL);
3177
3178 outrel.r_offset = (htab->elf.sgot->output_section->vma
3179 + htab->elf.sgot->output_offset
3180 + off);
3181 outrel.r_info =
3182 TILEGX_ELF_R_INFO (htab, NULL, 0, R_TILEGX_RELATIVE);
3183 outrel.r_addend = relocation;
3184 relocation = 0;
3185 tilegx_elf_append_rela (output_bfd, s, &outrel);
3186 }
3187
3188 TILEGX_ELF_PUT_WORD (htab, output_bfd, relocation,
3189 htab->elf.sgot->contents + off);
3190 local_got_offsets[r_symndx] |= 1;
3191 }
3192 }
535127d2 3193 relocation = off - got_base;
aa137e4d
NC		 3194 break;
3195
07d6d2b8 3196 case R_TILEGX_JUMPOFF_X1_PLT:
e5b95258
WL		 3197 case R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
3198 case R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
3199 case R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
3200 case R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
3201 case R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
3202 case R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
3203 case R_TILEGX_IMM16_X0_HW3_PLT_PCREL:
3204 case R_TILEGX_IMM16_X1_HW3_PLT_PCREL:
3205 case R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
3206 case R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
3207 case R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
3208 case R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
3209 case R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
3210 case R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
aa137e4d
NC		 3211 /* Relocation is to the entry for this symbol in the
3212 procedure linkage table. */
07d6d2b8 3213 BFD_ASSERT (h != NULL);
aa137e4d
NC		 3214
3215 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3216 {
3217 /* We didn't make a PLT entry for this symbol. This
3218 happens when statically linking PIC code, or when
3219 using -Bsymbolic. */
3220 break;
3221 }
3222
3223 relocation = (htab->elf.splt->output_section->vma
3224 + htab->elf.splt->output_offset
3225 + h->plt.offset);
3226 unresolved_reloc = FALSE;
3227 break;
3228
07d6d2b8
AM		 3229 case R_TILEGX_64_PCREL:
3230 case R_TILEGX_32_PCREL:
3231 case R_TILEGX_16_PCREL:
3232 case R_TILEGX_8_PCREL:
aa137e4d
NC		 3233 case R_TILEGX_IMM16_X0_HW0_PCREL:
3234 case R_TILEGX_IMM16_X1_HW0_PCREL:
3235 case R_TILEGX_IMM16_X0_HW1_PCREL:
3236 case R_TILEGX_IMM16_X1_HW1_PCREL:
3237 case R_TILEGX_IMM16_X0_HW2_PCREL:
3238 case R_TILEGX_IMM16_X1_HW2_PCREL:
3239 case R_TILEGX_IMM16_X0_HW3_PCREL:
3240 case R_TILEGX_IMM16_X1_HW3_PCREL:
3241 case R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
3242 case R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
3243 case R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
3244 case R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
3245 case R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
3246 case R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
3247 if (h != NULL
3248 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3249 break;
3250 /* Fall through. */
07d6d2b8
AM		 3251 case R_TILEGX_64:
3252 case R_TILEGX_32:
3253 case R_TILEGX_16:
3254 case R_TILEGX_8:
aa137e4d
NC		 3255 case R_TILEGX_HW0:
3256 case R_TILEGX_HW1:
3257 case R_TILEGX_HW2:
3258 case R_TILEGX_HW3:
3259 case R_TILEGX_HW0_LAST:
3260 case R_TILEGX_HW1_LAST:
3261 case R_TILEGX_HW2_LAST:
07d6d2b8
AM		 3262 case R_TILEGX_COPY:
3263 case R_TILEGX_GLOB_DAT:
3264 case R_TILEGX_JMP_SLOT:
3265 case R_TILEGX_RELATIVE:
3266 case R_TILEGX_BROFF_X1:
3267 case R_TILEGX_JUMPOFF_X1:
3268 case R_TILEGX_IMM8_X0:
3269 case R_TILEGX_IMM8_Y0:
3270 case R_TILEGX_IMM8_X1:
3271 case R_TILEGX_IMM8_Y1:
3272 case R_TILEGX_DEST_IMM8_X1:
3273 case R_TILEGX_MT_IMM14_X1:
3274 case R_TILEGX_MF_IMM14_X1:
3275 case R_TILEGX_MMSTART_X0:
3276 case R_TILEGX_MMEND_X0:
3277 case R_TILEGX_SHAMT_X0:
3278 case R_TILEGX_SHAMT_X1:
3279 case R_TILEGX_SHAMT_Y0:
3280 case R_TILEGX_SHAMT_Y1:
aa137e4d
NC		 3281 case R_TILEGX_IMM16_X0_HW0:
3282 case R_TILEGX_IMM16_X1_HW0:
3283 case R_TILEGX_IMM16_X0_HW1:
3284 case R_TILEGX_IMM16_X1_HW1:
3285 case R_TILEGX_IMM16_X0_HW2:
3286 case R_TILEGX_IMM16_X1_HW2:
3287 case R_TILEGX_IMM16_X0_HW3:
3288 case R_TILEGX_IMM16_X1_HW3:
3289 case R_TILEGX_IMM16_X0_HW0_LAST:
3290 case R_TILEGX_IMM16_X1_HW0_LAST:
3291 case R_TILEGX_IMM16_X0_HW1_LAST:
3292 case R_TILEGX_IMM16_X1_HW1_LAST:
3293 case R_TILEGX_IMM16_X0_HW2_LAST:
3294 case R_TILEGX_IMM16_X1_HW2_LAST:
3295 if ((input_section->flags & SEC_ALLOC) == 0)
3296 break;
3297
0e1862bb 3298 if ((bfd_link_pic (info)
aa137e4d 3299 && (h == NULL
a3cd202a
L		 3300 || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3301 && !resolved_to_zero)
aa137e4d
NC		 3302 || h->root.type != bfd_link_hash_undefweak)
3303 && (! howto->pc_relative
3304 || !SYMBOL_CALLS_LOCAL (info, h)))
0e1862bb 3305 || (!bfd_link_pic (info)
aa137e4d
NC		 3306 && h != NULL
3307 && h->dynindx != -1
3308 && !h->non_got_ref
3309 && ((h->def_dynamic
3310 && !h->def_regular)
3311 || h->root.type == bfd_link_hash_undefweak
3312 || h->root.type == bfd_link_hash_undefined)))
3313 {
3314 Elf_Internal_Rela outrel;
3315 bfd_boolean skip, relocate = FALSE;
3316
3317 /* When generating a shared object, these relocations
3318 are copied into the output file to be resolved at run
3319 time. */
3320
3321 BFD_ASSERT (sreloc != NULL);
3322
3323 skip = FALSE;
3324
3325 outrel.r_offset =
3326 _bfd_elf_section_offset (output_bfd, info, input_section,
3327 rel->r_offset);
3328 if (outrel.r_offset == (bfd_vma) -1)
3329 skip = TRUE;
3330 else if (outrel.r_offset == (bfd_vma) -2)
3331 skip = TRUE, relocate = TRUE;
3332 outrel.r_offset += (input_section->output_section->vma
3333 + input_section->output_offset);
3334
3335 switch (r_type)
3336 {
07d6d2b8
AM		 3337 case R_TILEGX_64_PCREL:
3338 case R_TILEGX_32_PCREL:
3339 case R_TILEGX_16_PCREL:
3340 case R_TILEGX_8_PCREL:
aa137e4d
NC		 3341 /* If the symbol is not dynamic, we should not keep
3342 a dynamic relocation. But an .rela.* slot has been
3343 allocated for it, output R_TILEGX_NONE.
3344 FIXME: Add code tracking needed dynamic relocs as
3345 e.g. i386 has. */
3346 if (h->dynindx == -1)
3347 skip = TRUE, relocate = TRUE;
3348 break;
3349 }
3350
3351 if (skip)
3352 memset (&outrel, 0, sizeof outrel);
3353 /* h->dynindx may be -1 if the symbol was marked to
3354 become local. */
3355 else if (h != NULL &&
3356 h->dynindx != -1
3357 && (! is_plt
0e1862bb 3358 || !bfd_link_pic (info)
aa137e4d
NC		 3359 || !SYMBOLIC_BIND (info, h)
3360 || !h->def_regular))
3361 {
3362 BFD_ASSERT (h->dynindx != -1);
3363 outrel.r_info = TILEGX_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3364 outrel.r_addend = rel->r_addend;
3365 }
3366 else
3367 {
3368 if (r_type == R_TILEGX_32 || r_type == R_TILEGX_64)
3369 {
3370 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0,
3371 R_TILEGX_RELATIVE);
3372 outrel.r_addend = relocation + rel->r_addend;
3373 }
3374 else
3375 {
3376 long indx;
3377
3378 outrel.r_addend = relocation + rel->r_addend;
3379
3380 if (is_plt)
3381 sec = htab->elf.splt;
3382
3383 if (bfd_is_abs_section (sec))
3384 indx = 0;
3385 else if (sec == NULL || sec->owner == NULL)
3386 {
3387 bfd_set_error (bfd_error_bad_value);
3388 return FALSE;
3389 }
3390 else
3391 {
3392 asection *osec;
3393
3394 /* We are turning this relocation into one
3395 against a section symbol. It would be
3396 proper to subtract the symbol's value,
3397 osec->vma, from the emitted reloc addend,
3398 but ld.so expects buggy relocs. */
3399 osec = sec->output_section;
3400 indx = elf_section_data (osec)->dynindx;
3401
3402 if (indx == 0)
3403 {
3404 osec = htab->elf.text_index_section;
3405 indx = elf_section_data (osec)->dynindx;
3406 }
3407
3408 /* FIXME: we really should be able to link non-pic
3409 shared libraries. */
3410 if (indx == 0)
3411 {
3412 BFD_FAIL ();
4eca0228 3413 _bfd_error_handler
871b3ab2 3414 (_("%pB: probably compiled without -fPIC?"),
aa137e4d
NC		 3415 input_bfd);
3416 bfd_set_error (bfd_error_bad_value);
3417 return FALSE;
3418 }
3419 }
3420
3421 outrel.r_info = TILEGX_ELF_R_INFO (htab, rel, indx,
3422 r_type);
3423 }
3424 }
3425
3426 tilegx_elf_append_rela (output_bfd, sreloc, &outrel);
3427
3428 /* This reloc will be computed at runtime, so there's no
3429 need to do anything now. */
3430 if (! relocate)
3431 continue;
3432 }
3433 break;
3434
07d6d2b8
AM		 3435 case R_TILEGX_IMM16_X0_HW0_TLS_LE:
3436 case R_TILEGX_IMM16_X1_HW0_TLS_LE:
3437 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
3438 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
3439 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
3440 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
28095894 3441 if (!bfd_link_executable (info))
6f7be959
WL		 3442 {
3443 Elf_Internal_Rela outrel;
3444 bfd_boolean skip;
3445
3446 BFD_ASSERT (sreloc != NULL);
3447 skip = FALSE;
3448 outrel.r_offset =
3449 _bfd_elf_section_offset (output_bfd, info, input_section,
3450 rel->r_offset);
3451 if (outrel.r_offset == (bfd_vma) -1)
3452 skip = TRUE;
3453 else if (outrel.r_offset == (bfd_vma) -2)
3454 skip = TRUE;
3455 outrel.r_offset += (input_section->output_section->vma
3456 + input_section->output_offset);
3457 if (skip)
3458 memset (&outrel, 0, sizeof outrel);
3459 else
3460 {
3461 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0, r_type);
3462 outrel.r_addend = relocation - dtpoff_base (info)
3463 + rel->r_addend;
3464 }
3465
3466 tilegx_elf_append_rela (output_bfd, sreloc, &outrel);
3467 continue;
3468 }
3469 relocation = tpoff (info, relocation);
3470 break;
3471
07d6d2b8
AM		 3472 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
3473 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
3474 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
3475 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
3476 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
3477 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
3478 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
3479 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
3480 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
3481 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
3482 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
3483 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
6f7be959
WL		 3484 r_type = tilegx_elf_tls_transition (info, r_type, h == NULL,
3485 input_section->sec_flg0);
07d6d2b8 3486 tls_type = GOT_UNKNOWN;
aa137e4d 3487 if (h == NULL && local_got_offsets)
6f7be959
WL		 3488 tls_type =
3489 _bfd_tilegx_elf_local_got_tls_type (input_bfd) [r_symndx];
aa137e4d 3490 else if (h != NULL)
6f7be959
WL		 3491 {
3492 tls_type = tilegx_elf_hash_entry(h)->tls_type;
28095894 3493 if (bfd_link_executable (info)
0e1862bb
L		 3494 && h->dynindx == -1
3495 && tls_type == GOT_TLS_IE)
6f7be959
WL		 3496 r_type = (!input_section->sec_flg0
3497 ? tilegx_tls_translate_to_le (r_type)
3498 : tilegx_tls_translate_to_ie (r_type));
3499 }
aa137e4d
NC		 3500
3501 if (tls_type == GOT_TLS_IE)
6f7be959
WL		 3502 r_type = tilegx_tls_translate_to_ie (r_type);
3503
3504 if (r_type == R_TILEGX_IMM16_X0_HW0_TLS_LE
3505 || r_type == R_TILEGX_IMM16_X1_HW0_TLS_LE
3506 || r_type == R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE
3507 || r_type == R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE
3508 || r_type == R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE
3509 || r_type == R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE)
3510 {
3511 relocation = tpoff (info, relocation);
3512 break;
3513 }
aa137e4d
NC		 3514
3515 if (h != NULL)
3516 {
3517 off = h->got.offset;
3518 h->got.offset |= 1;
3519 }
3520 else
3521 {
3522 BFD_ASSERT (local_got_offsets != NULL);
3523 off = local_got_offsets[r_symndx];
3524 local_got_offsets[r_symndx] |= 1;
3525 }
3526
3527 if (htab->elf.sgot == NULL)
3528 abort ();
3529
3530 if ((off & 1) != 0)
3531 off &= ~1;
3532 else
3533 {
3534 Elf_Internal_Rela outrel;
3535 int indx = 0;
3536 bfd_boolean need_relocs = FALSE;
3537
3538 if (htab->elf.srelgot == NULL)
3539 abort ();
3540
3541 if (h != NULL)
3542 {
07d6d2b8
AM		 3543 bfd_boolean dyn;
3544 dyn = htab->elf.dynamic_sections_created;
aa137e4d 3545
0e1862bb
L		 3546 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3547 bfd_link_pic (info),
3548 h)
3549 && (!bfd_link_pic (info)
aa137e4d
NC		 3550 || !SYMBOL_REFERENCES_LOCAL (info, h)))
3551 {
3552 indx = h->dynindx;
3553 }
3554 }
3555
3556 /* The GOT entries have not been initialized yet. Do it
07d6d2b8 3557 now, and emit any relocations. */
0e1862bb 3558 if ((bfd_link_pic (info) || indx != 0)
aa137e4d
NC		 3559 && (h == NULL
3560 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3561 || h->root.type != bfd_link_hash_undefweak))
3562 need_relocs = TRUE;
3563
07d6d2b8
AM		 3564 switch (r_type)
3565 {
aa137e4d
NC		 3566 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
3567 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
aa137e4d
NC		 3568 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
3569 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
3570 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
3571 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
aa137e4d
NC		 3572 if (need_relocs) {
3573 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3574 htab->elf.sgot->contents + off);
07d6d2b8 3575 outrel.r_offset = (htab->elf.sgot->output_section->vma
aa137e4d 3576 + htab->elf.sgot->output_offset + off);
07d6d2b8 3577 outrel.r_addend = 0;
aa137e4d 3578 if (indx == 0)
07d6d2b8 3579 outrel.r_addend = relocation - dtpoff_base (info);
aa137e4d
NC		 3580 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
3581 TILEGX_ELF_TPOFF_RELOC (htab));
3582 tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
07d6d2b8 3583 } else {
aa137e4d
NC		 3584 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3585 tpoff (info, relocation),
3586 htab->elf.sgot->contents + off);
07d6d2b8
AM		 3587 }
3588 break;
aa137e4d
NC		 3589
3590 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
3591 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
aa137e4d
NC		 3592 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
3593 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
3594 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
3595 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
aa137e4d 3596 if (need_relocs) {
07d6d2b8 3597 outrel.r_offset = (htab->elf.sgot->output_section->vma
aa137e4d 3598 + htab->elf.sgot->output_offset + off);
07d6d2b8
AM		 3599 outrel.r_addend = 0;
3600 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
aa137e4d
NC		 3601 TILEGX_ELF_DTPMOD_RELOC (htab));
3602 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3603 htab->elf.sgot->contents + off);
07d6d2b8 3604 tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
aa137e4d 3605 if (indx == 0)
07d6d2b8
AM		 3606 {
3607 BFD_ASSERT (! unresolved_reloc);
aa137e4d
NC		 3608 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3609 relocation - dtpoff_base (info),
3610 (htab->elf.sgot->contents + off +
3611 TILEGX_ELF_WORD_BYTES (htab)));
07d6d2b8 3612 }
aa137e4d 3613 else
07d6d2b8 3614 {
aa137e4d
NC		 3615 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3616 (htab->elf.sgot->contents + off +
3617 TILEGX_ELF_WORD_BYTES (htab)));
07d6d2b8 3618 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
aa137e4d 3619 TILEGX_ELF_DTPOFF_RELOC (htab));
07d6d2b8
AM		 3620 outrel.r_offset += TILEGX_ELF_WORD_BYTES (htab);
3621 tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3622 }
3623 }
aa137e4d
NC		 3624
3625 else {
3626 /* If we are not emitting relocations for a
07d6d2b8
AM		 3627 general dynamic reference, then we must be in a
3628 static link or an executable link with the
3629 symbol binding locally. Mark it as belonging
3630 to module 1, the executable. */
aa137e4d
NC		 3631 TILEGX_ELF_PUT_WORD (htab, output_bfd, 1,
3632 htab->elf.sgot->contents + off );
3633 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3634 relocation - dtpoff_base (info),
3635 htab->elf.sgot->contents + off +
3636 TILEGX_ELF_WORD_BYTES (htab));
3637 }
07d6d2b8
AM		 3638 break;
3639 }
aa137e4d
NC		 3640 }
3641
3642 if (off >= (bfd_vma) -2)
3643 abort ();
3644
535127d2 3645 relocation = off - got_base;
aa137e4d
NC		 3646 unresolved_reloc = FALSE;
3647 howto = tilegx_elf_howto_table + r_type;
3648 break;
3649
3650 default:
3651 break;
3652 }
3653
3654 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3655 because such sections are not SEC_ALLOC and thus ld.so will
3656 not process them. */
3657 if (unresolved_reloc
3658 && !((input_section->flags & SEC_DEBUGGING) != 0
1d5316ab
AM		 3659 && h->def_dynamic)
3660 && _bfd_elf_section_offset (output_bfd, info, input_section,
3661 rel->r_offset) != (bfd_vma) -1)
4eca0228 3662 _bfd_error_handler
695344c0 3663 /* xgettext:c-format */
2dcf00ce
AM		 3664 (_("%pB(%pA+%#" PRIx64 "): "
3665 "unresolvable %s relocation against symbol `%s'"),
aa137e4d
NC		 3666 input_bfd,
3667 input_section,
2dcf00ce 3668 (uint64_t) rel->r_offset,
aa137e4d
NC		 3669 howto->name,
3670 h->root.root.string);
3671
3672 r = bfd_reloc_continue;
3673
3674 /* Get the operand creation function, if any. */
3675 create_func = reloc_to_create_func[r_type];
3676 if (create_func == NULL)
3677 {
07d6d2b8
AM		 3678 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3679 contents, rel->r_offset,
3680 relocation, rel->r_addend);
aa137e4d
NC		 3681 }
3682 else
3683 {
07d6d2b8
AM		 3684 if (howto->pc_relative)
3685 {
3686 relocation -=
3687 input_section->output_section->vma + input_section->output_offset;
3688 if (howto->pcrel_offset)
3689 relocation -= rel->r_offset;
3690 }
3691
3692 bfd_byte *data;
3693
3694 /* Add the relocation addend if any to the final target value */
3695 relocation += rel->r_addend;
3696
3697 /* Do basic range checking */
3698 r = bfd_check_overflow (howto->complain_on_overflow,
3699 howto->bitsize,
3700 howto->rightshift,
3701 TILEGX_ELF_WORD_BYTES (htab) * 8,
3702 relocation);
3703
3704 /*
3705 * Write the relocated value out into the raw section data.
3706 * Don't put a relocation out in the .rela section.
3707 */
3708 tilegx_bundle_bits mask = create_func(-1);
3709 tilegx_bundle_bits value = create_func(relocation >> howto->rightshift);
3710
3711 /* Only touch bytes while the mask is not 0, so we
3712 don't write to out of bounds memory if this is actually
3713 a 16-bit switch instruction. */
3714 for (data = contents + rel->r_offset; mask != 0; data++)
3715 {
3716 bfd_byte byte_mask = (bfd_byte)mask;
3717 *data = (*data & ~byte_mask) | ((bfd_byte)value & byte_mask);
3718 mask >>= 8;
3719 value >>= 8;
3720 }
aa137e4d
NC		 3721 }
3722
3723 if (r != bfd_reloc_ok)
3724 {
3725 const char *msg = NULL;
3726
3727 switch (r)
3728 {
3729 case bfd_reloc_overflow:
1a72702b 3730 (*info->callbacks->reloc_overflow)
aa137e4d
NC		 3731 (info, (h ? &h->root : NULL), name, howto->name,
3732 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
3733 break;
3734
3735 case bfd_reloc_undefined:
1a72702b
AM		 3736 (*info->callbacks->undefined_symbol)
3737 (info, name, input_bfd, input_section, rel->r_offset, TRUE);
aa137e4d
NC		 3738 break;
3739
3740 case bfd_reloc_outofrange:
3741 msg = _("internal error: out of range error");
3742 break;
3743
3744 case bfd_reloc_notsupported:
3745 msg = _("internal error: unsupported relocation error");
3746 break;
3747
3748 case bfd_reloc_dangerous:
3749 msg = _("internal error: dangerous relocation");
3750 break;
3751
3752 default:
3753 msg = _("internal error: unknown error");
3754 break;
3755 }
3756
3757 if (msg)
1a72702b
AM		 3758 (*info->callbacks->warning) (info, msg, name, input_bfd,
3759 input_section, rel->r_offset);
aa137e4d
NC		 3760 }
3761 }
3762
3763 return TRUE;
3764}
3765
3766/* Finish up dynamic symbol handling. We set the contents of various
3767 dynamic sections here. */
3768
3769bfd_boolean
3770tilegx_elf_finish_dynamic_symbol (bfd *output_bfd,
3771 struct bfd_link_info *info,
3772 struct elf_link_hash_entry *h,
3773 Elf_Internal_Sym *sym)
3774{
3775 struct tilegx_elf_link_hash_table *htab;
3776
3777 htab = tilegx_elf_hash_table (info);
3778 BFD_ASSERT (htab != NULL);
3779
3780 if (h->plt.offset != (bfd_vma) -1)
3781 {
3782 asection *splt;
3783 asection *srela;
3784 asection *sgotplt;
3785 Elf_Internal_Rela rela;
3786 bfd_byte *loc;
3787 bfd_vma r_offset;
3788 const struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
3789
3790
3791 int rela_index;
3792
3793 /* This symbol has an entry in the PLT. Set it up. */
3794
3795 BFD_ASSERT (h->dynindx != -1);
3796
3797 splt = htab->elf.splt;
3798 srela = htab->elf.srelplt;
3799 sgotplt = htab->elf.sgotplt;
3800
3801 if (splt == NULL || srela == NULL)
3802 abort ();
3803
3804 /* Fill in the entry in the procedure linkage table. */
3805 rela_index = tilegx_plt_entry_build (output_bfd, htab, splt, sgotplt,
3806 h->plt.offset, &r_offset);
3807
3808 /* Fill in the entry in the global offset table, which initially points
3809 to the beginning of the plt. */
3810 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3811 splt->output_section->vma + splt->output_offset,
3812 sgotplt->contents + r_offset);
3813
3814 /* Fill in the entry in the .rela.plt section. */
3815 rela.r_offset = (sgotplt->output_section->vma
3816 + sgotplt->output_offset
3817 + r_offset);
3818 rela.r_addend = 0;
3819 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_JMP_SLOT);
3820
3821 loc = srela->contents + rela_index * TILEGX_ELF_RELA_BYTES (htab);
3822 bed->s->swap_reloca_out (output_bfd, &rela, loc);
3823
3824 if (!h->def_regular)
3825 {
3826 /* Mark the symbol as undefined, rather than as defined in
3827 the .plt section. Leave the value alone. */
3828 sym->st_shndx = SHN_UNDEF;
3829 /* If the symbol is weak, we do need to clear the value.
3830 Otherwise, the PLT entry would provide a definition for
3831 the symbol even if the symbol wasn't defined anywhere,
3832 and so the symbol would never be NULL. */
3833 if (!h->ref_regular_nonweak)
3834 sym->st_value = 0;
3835 }
3836 }
3837
3838 if (h->got.offset != (bfd_vma) -1
3839 && tilegx_elf_hash_entry(h)->tls_type != GOT_TLS_GD
3840 && tilegx_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
3841 {
3842 asection *sgot;
3843 asection *srela;
3844 Elf_Internal_Rela rela;
3845
3846 /* This symbol has an entry in the GOT. Set it up. */
3847
3848 sgot = htab->elf.sgot;
3849 srela = htab->elf.srelgot;
3850 BFD_ASSERT (sgot != NULL && srela != NULL);
3851
3852 rela.r_offset = (sgot->output_section->vma
3853 + sgot->output_offset
3854 + (h->got.offset &~ (bfd_vma) 1));
3855
3856 /* If this is a -Bsymbolic link, and the symbol is defined
3857 locally, we just want to emit a RELATIVE reloc. Likewise if
3858 the symbol was forced to be local because of a version file.
3859 The entry in the global offset table will already have been
3860 initialized in the relocate_section function. */
0e1862bb 3861 if (bfd_link_pic (info)
aa137e4d
NC		 3862 && (info->symbolic || h->dynindx == -1)
3863 && h->def_regular)
3864 {
3865 asection *sec = h->root.u.def.section;
3866 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0, R_TILEGX_RELATIVE);
3867 rela.r_addend = (h->root.u.def.value
3868 + sec->output_section->vma
3869 + sec->output_offset);
3870 }
3871 else
3872 {
3873 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_GLOB_DAT);
3874 rela.r_addend = 0;
3875 }
3876
3877 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3878 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
3879 tilegx_elf_append_rela (output_bfd, srela, &rela);
3880 }
3881
3882 if (h->needs_copy)
3883 {
3884 asection *s;
3885 Elf_Internal_Rela rela;
3886
3887 /* This symbols needs a copy reloc. Set it up. */
3888 BFD_ASSERT (h->dynindx != -1);
3889
afbf7e8e 3890 if (h->root.u.def.section == htab->elf.sdynrelro)
5474d94f
AM		 3891 s = htab->elf.sreldynrelro;
3892 else
3893 s = htab->elf.srelbss;
aa137e4d
NC		 3894 BFD_ASSERT (s != NULL);
3895
3896 rela.r_offset = (h->root.u.def.value
3897 + h->root.u.def.section->output_section->vma
3898 + h->root.u.def.section->output_offset);
3899 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_COPY);
3900 rela.r_addend = 0;
3901 tilegx_elf_append_rela (output_bfd, s, &rela);
3902 }
3903
3904 /* Mark some specially defined symbols as absolute. */
9637f6ef 3905 if (h == htab->elf.hdynamic
aa137e4d
NC		 3906 || (h == htab->elf.hgot || h == htab->elf.hplt))
3907 sym->st_shndx = SHN_ABS;
3908
3909 return TRUE;
3910}
3911
3912/* Finish up the dynamic sections. */
3913
3914static bfd_boolean
3915tilegx_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
3916 bfd *dynobj, asection *sdyn,
3917 asection *splt ATTRIBUTE_UNUSED)
3918{
3919 struct tilegx_elf_link_hash_table *htab;
3920 const struct elf_backend_data *bed;
3921 bfd_byte *dyncon, *dynconend;
3922 size_t dynsize;
aa137e4d
NC		 3923
3924 htab = tilegx_elf_hash_table (info);
3925 BFD_ASSERT (htab != NULL);
3926 bed = get_elf_backend_data (output_bfd);
3927 dynsize = bed->s->sizeof_dyn;
3928 dynconend = sdyn->contents + sdyn->size;
aa137e4d
NC		 3929
3930 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
3931 {
3932 Elf_Internal_Dyn dyn;
3933 asection *s;
3934
3935 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
3936
3937 switch (dyn.d_tag)
3938 {
3939 case DT_PLTGOT:
3940 s = htab->elf.sgotplt;
3941 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3942 break;
3943 case DT_JMPREL:
3944 s = htab->elf.srelplt;
3945 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3946 break;
3947 case DT_PLTRELSZ:
3948 s = htab->elf.srelplt;
3949 dyn.d_un.d_val = s->size;
3950 break;
3951 default:
3952 continue;
3953 }
3954
3955 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
3956 }
3957 return TRUE;
3958}
3959
3960bfd_boolean
3961tilegx_elf_finish_dynamic_sections (bfd *output_bfd,
3962 struct bfd_link_info *info)
3963{
3964 bfd *dynobj;
3965 asection *sdyn;
3966 struct tilegx_elf_link_hash_table *htab;
663b5850 3967 size_t pad_size;
aa137e4d
NC		 3968
3969 htab = tilegx_elf_hash_table (info);
3970 BFD_ASSERT (htab != NULL);
3971 dynobj = htab->elf.dynobj;
3972
3d4d4302 3973 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
aa137e4d
NC		 3974
3975 if (elf_hash_table (info)->dynamic_sections_created)
3976 {
3977 asection *splt;
3978 bfd_boolean ret;
3979
3d4d4302 3980 splt = htab->elf.splt;
aa137e4d
NC		 3981 BFD_ASSERT (splt != NULL && sdyn != NULL);
3982
3983 ret = tilegx_finish_dyn (output_bfd, info, dynobj, sdyn, splt);
3984
535b785f 3985 if (!ret)
aa137e4d
NC		 3986 return ret;
3987
3988 /* Fill in the head and tail entries in the procedure linkage table. */
3989 if (splt->size > 0)
3990 {
3991 memcpy (splt->contents,
3992 ABI_64_P (output_bfd) ?
3993 tilegx64_plt0_entry : tilegx32_plt0_entry,
3994 PLT_HEADER_SIZE);
3995
663b5850
WL		 3996 memcpy (splt->contents + splt->size
3997 - PLT_ENTRY_SIZE + PLT_HEADER_SIZE,
aa137e4d
NC		 3998 ABI_64_P (output_bfd) ?
3999 tilegx64_plt_tail_entry : tilegx32_plt_tail_entry,
4000 PLT_TAIL_SIZE);
663b5850
WL		 4001 /* Add padding so that the plt section is a multiple of its
4002 entry size. */
4003 pad_size = PLT_ENTRY_SIZE - PLT_HEADER_SIZE - PLT_TAIL_SIZE;
4004 memset (splt->contents + splt->size - pad_size, 0, pad_size);
aa137e4d 4005
4c7236d3
L		 4006 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4007 = PLT_ENTRY_SIZE;
4008 }
aa137e4d
NC		 4009 }
4010
4011 if (htab->elf.sgotplt)
4012 {
4013 if (bfd_is_abs_section (htab->elf.sgotplt->output_section))
4014 {
4eca0228 4015 _bfd_error_handler
871b3ab2 4016 (_("discarded output section: `%pA'"), htab->elf.sgotplt);
aa137e4d
NC		 4017 return FALSE;
4018 }
4019
4020 if (htab->elf.sgotplt->size > 0)
4021 {
4022 /* Write the first two entries in .got.plt, needed for the dynamic
4023 linker. */
4024 TILEGX_ELF_PUT_WORD (htab, output_bfd, (bfd_vma) -1,
4025 htab->elf.sgotplt->contents);
4026 TILEGX_ELF_PUT_WORD (htab, output_bfd, (bfd_vma) 0,
4027 htab->elf.sgotplt->contents
4028 + GOT_ENTRY_SIZE (htab));
aa137e4d 4029
4c7236d3
L		 4030 elf_section_data (htab->elf.sgotplt->output_section)->this_hdr.sh_entsize =
4031 GOT_ENTRY_SIZE (htab);
4032 }
aa137e4d
NC		 4033 }
4034
4035 if (htab->elf.sgot)
4036 {
4037 if (htab->elf.sgot->size > 0)
4038 {
4039 /* Set the first entry in the global offset table to the address of
4040 the dynamic section. */
4041 bfd_vma val = (sdyn ?
4042 sdyn->output_section->vma + sdyn->output_offset :
4043 0);
4044 TILEGX_ELF_PUT_WORD (htab, output_bfd, val,
4045 htab->elf.sgot->contents);
aa137e4d 4046
4c7236d3
L		 4047 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4048 GOT_ENTRY_SIZE (htab);
4049 }
aa137e4d
NC		 4050 }
4051
4052 return TRUE;
4053}
4054
4055\f
4056
4057/* Return address for Ith PLT stub in section PLT, for relocation REL
4058 or (bfd_vma) -1 if it should not be included. */
4059
4060bfd_vma
4061tilegx_elf_plt_sym_val (bfd_vma i, const asection *plt,
4062 const arelent *rel ATTRIBUTE_UNUSED)
4063{
4064 return plt->vma + PLT_HEADER_SIZE + i * PLT_ENTRY_SIZE;
4065}
4066
4067enum elf_reloc_type_class
7e612e98
AM		 4068tilegx_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
4069 const asection *rel_sec ATTRIBUTE_UNUSED,
4070 const Elf_Internal_Rela *rela)
aa137e4d
NC		 4071{
4072 switch ((int) TILEGX_ELF_R_TYPE (rela->r_info))
4073 {
4074 case R_TILEGX_RELATIVE:
4075 return reloc_class_relative;
4076 case R_TILEGX_JMP_SLOT:
4077 return reloc_class_plt;
4078 case R_TILEGX_COPY:
4079 return reloc_class_copy;
4080 default:
4081 return reloc_class_normal;
4082 }
4083}
4084
4085int
4086tilegx_additional_program_headers (bfd *abfd,
4087 struct bfd_link_info *info ATTRIBUTE_UNUSED)
4088{
4089 /* Each .intrpt section specified by the user adds another PT_LOAD
4090 header since the sections are discontiguous. */
4091 static const char intrpt_sections[4][9] =
4092 {
4093 ".intrpt0", ".intrpt1", ".intrpt2", ".intrpt3"
4094 };
4095 int count = 0;
4096 int i;
4097
4098 for (i = 0; i < 4; i++)
4099 {
4100 asection *sec = bfd_get_section_by_name (abfd, intrpt_sections[i]);
4101 if (sec != NULL && (sec->flags & SEC_LOAD) != 0)
4102 ++count;
4103 }
4104
4105 /* Add four "padding" headers in to leave room in case a custom linker
4106 script does something fancy. Otherwise ld complains that it ran
4107 out of program headers and refuses to link. */
4108 count += 4;
4109
4110 return count;
4111}
4112
4113
4114bfd_boolean
50e03d47 4115_bfd_tilegx_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
aa137e4d 4116{
50e03d47 4117 bfd *obfd = info->output_bfd;
aa137e4d
NC		 4118 const char *targ1 = bfd_get_target (ibfd);
4119 const char *targ2 = bfd_get_target (obfd);
4120
4121 if (strcmp (targ1, targ2) != 0)
4122 {
4eca0228 4123 _bfd_error_handler
695344c0 4124 /* xgettext:c-format */
38f14ab8 4125 (_("%pB: cannot link together %s and %s objects"),
aa137e4d
NC		 4126 ibfd, targ1, targ2);
4127 bfd_set_error (bfd_error_bad_value);
4128 return FALSE;
4129 }
4130
4131 return TRUE;
4132}
GDB Binutils - Deliverables
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