]> git.ipfire.org Git - thirdparty/binutils-gdb.git/blame - bfd/elfxx-tilegx.c
projects / thirdparty / binutils-gdb.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Have info_to_howto functions return a success/fail status. Check this result. Stop...
[thirdparty/binutils-gdb.git] / bfd / elfxx-tilegx.c
CommitLineData
aa137e4d 1/* TILE-Gx-specific support for ELF.
219d1afa 2 Copyright (C) 2011-2018 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
788 /* Track dynamic relocs copied for this symbol. */
3bf083ed 789 struct elf_dyn_relocs *dyn_relocs;
aa137e4d
NC		 790
791#define GOT_UNKNOWN 0
792#define GOT_NORMAL 1
793#define GOT_TLS_GD 2
794#define GOT_TLS_IE 4
795 unsigned char tls_type;
796};
797
798#define tilegx_elf_hash_entry(ent) \
799 ((struct tilegx_elf_link_hash_entry *)(ent))
800
801struct _bfd_tilegx_elf_obj_tdata
802{
803 struct elf_obj_tdata root;
804
805 /* tls_type for each local got entry. */
806 char *local_got_tls_type;
807};
808
809#define _bfd_tilegx_elf_tdata(abfd) \
810 ((struct _bfd_tilegx_elf_obj_tdata *) (abfd)->tdata.any)
811
812#define _bfd_tilegx_elf_local_got_tls_type(abfd) \
813 (_bfd_tilegx_elf_tdata (abfd)->local_got_tls_type)
814
815#define is_tilegx_elf(bfd) \
816 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
817 && elf_tdata (bfd) != NULL \
818 && elf_object_id (bfd) == TILEGX_ELF_DATA)
819
820#include "elf/common.h"
821#include "elf/internal.h"
822
823struct tilegx_elf_link_hash_table
824{
825 struct elf_link_hash_table elf;
826
827 int bytes_per_word;
828 int word_align_power;
829 int bytes_per_rela;
830 int dtpmod_reloc;
831 int dtpoff_reloc;
832 int tpoff_reloc;
833 bfd_vma (*r_info) (Elf_Internal_Rela *, bfd_vma, bfd_vma);
834 bfd_vma (*r_symndx) (bfd_vma);
835 void (*put_word) (bfd *, bfd_vma, void *);
836 const char *dynamic_interpreter;
837
6f7be959
WL		 838 /* Whether LE transition has been disabled for some of the
839 sections. */
840 bfd_boolean disable_le_transition;
841
aa137e4d
NC		 842 /* Small local sym to section mapping cache. */
843 struct sym_cache sym_cache;
844};
845
846
847/* Get the Tile ELF linker hash table from a link_info structure. */
848#define tilegx_elf_hash_table(p) \
849 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
850 == TILEGX_ELF_DATA ? ((struct tilegx_elf_link_hash_table *) ((p)->hash)) : NULL)
851
852#ifdef BFD64
853static bfd_vma
854tilegx_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
855 bfd_vma rel_index,
856 bfd_vma type)
857{
858 return ELF64_R_INFO (rel_index, type);
859}
860
861static bfd_vma
862tilegx_elf_r_symndx_64 (bfd_vma r_info)
863{
864 return ELF64_R_SYM (r_info);
865}
866
867static void
868tilegx_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
869{
870 bfd_put_64 (abfd, val, ptr);
871}
872#endif /* BFD64 */
873
874static bfd_vma
875tilegx_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
876 bfd_vma rel_index,
877 bfd_vma type)
878{
879 return ELF32_R_INFO (rel_index, type);
880}
881
882static bfd_vma
883tilegx_elf_r_symndx_32 (bfd_vma r_info)
884{
885 return ELF32_R_SYM (r_info);
886}
887
888static void
889tilegx_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
890{
891 bfd_put_32 (abfd, val, ptr);
892}
893
894reloc_howto_type *
f3185997 895tilegx_reloc_type_lookup (bfd * abfd,
aa137e4d
NC		 896 bfd_reloc_code_real_type code)
897{
898 unsigned int i;
899
0ba38529 900 for (i = ARRAY_SIZE (tilegx_reloc_map); i--;)
aa137e4d
NC		 901 {
902 const reloc_map * entry;
903
904 entry = tilegx_reloc_map + i;
905
906 if (entry->bfd_reloc_val == code)
907 return entry->table + (entry->tilegx_reloc_val
908 - entry->table[0].type);
909 }
910
f3185997
NC		 911 /* xgettext:c-format */
912 _bfd_error_handler (_("%pB: invalid BFD relocation type %d"),
913 abfd, (int) code);
914 bfd_set_error (bfd_error_bad_value);
aa137e4d
NC		 915 return NULL;
916}
917
918reloc_howto_type *
919tilegx_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
920 const char *r_name)
921{
922 unsigned int i;
923
924 for (i = 0;
925 i < (sizeof (tilegx_elf_howto_table)
07d6d2b8 926 / sizeof (tilegx_elf_howto_table[0]));
aa137e4d
NC		 927 i++)
928 if (tilegx_elf_howto_table[i].name != NULL
07d6d2b8 929 && strcasecmp (tilegx_elf_howto_table[i].name, r_name) == 0)
aa137e4d
NC		 930 return &tilegx_elf_howto_table[i];
931
932 return NULL;
933}
934
f3185997 935bfd_boolean
aa137e4d
NC		 936tilegx_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED,
937 arelent *cache_ptr,
938 Elf_Internal_Rela *dst)
939{
940 unsigned int r_type = TILEGX_ELF_R_TYPE (dst->r_info);
941
6f7be959 942 if (r_type <= (unsigned int) R_TILEGX_IMM8_Y1_TLS_ADD)
aa137e4d
NC		 943 cache_ptr->howto = &tilegx_elf_howto_table [r_type];
944 else if (r_type - R_TILEGX_GNU_VTINHERIT
f3185997
NC		 945 <= ((unsigned int) R_TILEGX_GNU_VTENTRY
946 - (unsigned int) R_TILEGX_GNU_VTINHERIT))
aa137e4d
NC		 947 cache_ptr->howto
948 = &tilegx_elf_howto_table2 [r_type - R_TILEGX_GNU_VTINHERIT];
949 else
f3185997
NC		 950 {
951 /* xgettext:c-format */
952 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
953 abfd, r_type);
954 bfd_set_error (bfd_error_bad_value);
955 return FALSE;
956 }
957 return TRUE;
aa137e4d
NC		 958}
959
960typedef tilegx_bundle_bits (*tilegx_create_func)(int);
961
962static const tilegx_create_func reloc_to_create_func[] =
963{
964 /* The first twenty relocation types don't correspond to operands */
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 NULL,
980 NULL,
981 NULL,
982 NULL,
983 NULL,
984 NULL,
985
986 /* The remaining relocations are used for immediate operands */
987 create_BrOff_X1,
988 create_JumpOff_X1,
989 create_JumpOff_X1,
990 create_Imm8_X0,
991 create_Imm8_Y0,
992 create_Imm8_X1,
993 create_Imm8_Y1,
994 create_Dest_Imm8_X1,
995 create_MT_Imm14_X1,
996 create_MF_Imm14_X1,
997 create_BFStart_X0,
998 create_BFEnd_X0,
999 create_ShAmt_X0,
1000 create_ShAmt_X1,
1001 create_ShAmt_Y0,
1002 create_ShAmt_Y1,
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,
1043 create_Imm16_X0,
1044 create_Imm16_X1,
1045 create_Imm16_X0,
1046 create_Imm16_X1,
1047 create_Imm16_X0,
1048 create_Imm16_X1,
e5b95258
WL		 1049 create_Imm16_X0,
1050 create_Imm16_X1,
1051 create_Imm16_X0,
1052 create_Imm16_X1,
1053 create_Imm16_X0,
1054 create_Imm16_X1,
aa137e4d
NC		 1055 create_Imm16_X0,
1056 create_Imm16_X1,
6f7be959
WL		 1057 NULL,
1058 NULL,
e5b95258
WL		 1059 create_Imm16_X0,
1060 create_Imm16_X1,
1061 create_Imm16_X0,
1062 create_Imm16_X1,
1063 create_Imm16_X0,
1064 create_Imm16_X1,
1065 create_Imm16_X0,
1066 create_Imm16_X1,
aa137e4d
NC		 1067 create_Imm16_X0,
1068 create_Imm16_X1,
1069 create_Imm16_X0,
1070 create_Imm16_X1,
aa137e4d
NC		 1071};
1072
1073static void
1074tilegx_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
1075{
1076 const struct elf_backend_data *bed;
1077 bfd_byte *loc;
1078
1079 bed = get_elf_backend_data (abfd);
1080 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
1081 bed->s->swap_reloca_out (abfd, rel, loc);
1082}
1083
1084/* PLT/GOT stuff */
1085
1086/* The procedure linkage table starts with the following header:
1087
07d6d2b8
AM		 1088 ld_add r28, r27, 8
1089 ld r27, r27
aa137e4d 1090 {
07d6d2b8
AM		 1091 jr r27
1092 info 10 ## SP not offset, return PC in LR
aa137e4d
NC		 1093 }
1094
1095 Subsequent entries are the following, jumping to the header at the end:
1096
1097 {
07d6d2b8
AM		 1098 moveli r28, <_GLOBAL_OFFSET_TABLE_ - 1f + MY_GOT_OFFSET>
1099 lnk r26
aa137e4d
NC		 1100 }
11011:
1102 {
07d6d2b8
AM		 1103 moveli r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
1104 shl16insli r28, r28, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET>
aa137e4d
NC		 1105 }
1106 {
07d6d2b8
AM		 1107 add r28, r26, r28
1108 shl16insli r27, r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
aa137e4d
NC		 1109 }
1110 {
07d6d2b8
AM		 1111 add r27, r26, r27
1112 ld r28, r28
1113 info 10 ## SP not offset, return PC in LR
aa137e4d
NC		 1114 }
1115 {
07d6d2b8
AM		 1116 shl16insli r29, zero, MY_PLT_INDEX
1117 jr r28
aa137e4d
NC		 1118 }
1119
1120 This code sequence lets the code at at the start of the PLT determine
1121 which PLT entry was executed by examining 'r29'.
1122
1123 Note that MY_PLT_INDEX skips over the header entries, so the first
1124 actual jump table entry has index zero.
1125
1126 If the offset fits in 16 bits,
1127
07d6d2b8 1128 lnk r26
aa137e4d
NC		 11291:
1130 {
07d6d2b8
AM		 1131 addli r28, r26, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET>
1132 moveli r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
aa137e4d
NC		 1133 }
1134 {
07d6d2b8
AM		 1135 shl16insli r29, zero, MY_PLT_INDEX
1136 ld r28, r28
aa137e4d
NC		 1137 }
1138 {
07d6d2b8
AM		 1139 add r27, r26, r27
1140 jr r28
aa137e4d 1141 }
07d6d2b8 1142 info 10 ## SP not offset, return PC in LR
aa137e4d
NC		 1143
1144 For the purpose of backtracing, the procedure linkage table ends with the
1145 following tail entry:
1146
07d6d2b8 1147 info 10 ## SP not offset, return PC in LR
aa137e4d
NC		 1148
1149 The 32-bit versions are similar, with ld4s replacing ld, and offsets into
1150 the GOT being multiples of 4 instead of 8.
1151
1152*/
1153
1154#define PLT_HEADER_SIZE_IN_BUNDLES 3
1155#define PLT_ENTRY_SIZE_IN_BUNDLES 5
1156#define PLT_TAIL_SIZE_IN_BUNDLES 1
1157
1158#define PLT_HEADER_SIZE \
1159 (PLT_HEADER_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
1160#define PLT_ENTRY_SIZE \
1161 (PLT_ENTRY_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
1162#define PLT_TAIL_SIZE \
1163 (PLT_TAIL_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
1164
1165#define GOT_ENTRY_SIZE(htab) TILEGX_ELF_WORD_BYTES (htab)
1166
1167#define GOTPLT_HEADER_SIZE(htab) (2 * GOT_ENTRY_SIZE (htab))
1168
1169static const bfd_byte
1170tilegx64_plt0_entry[PLT_HEADER_SIZE] =
1171{
1172 0x00, 0x30, 0x48, 0x51,
1173 0x6e, 0x43, 0xa0, 0x18, /* { ld_add r28, r27, 8 } */
1174 0x00, 0x30, 0xbc, 0x35,
1175 0x00, 0x40, 0xde, 0x9e, /* { ld r27, r27 } */
1176 0xff, 0xaf, 0x30, 0x40,
1177 0x60, 0x73, 0x6a, 0x28, /* { info 10 ; jr r27 } */
1178};
1179
1180static const bfd_byte
1181tilegx64_long_plt_entry[PLT_ENTRY_SIZE] =
1182{
1183 0xdc, 0x0f, 0x00, 0x10,
1184 0x0d, 0xf0, 0x6a, 0x28, /* { moveli r28, 0 ; lnk r26 } */
1185 0xdb, 0x0f, 0x00, 0x10,
1186 0x8e, 0x03, 0x00, 0x38, /* { moveli r27, 0 ; shl16insli r28, r28, 0 } */
1187 0x9c, 0xc6, 0x0d, 0xd0,
1188 0x6d, 0x03, 0x00, 0x38, /* { add r28, r26, r28 ; shl16insli r27, r27, 0 } */
1189 0x9b, 0xb6, 0xc5, 0xad,
1190 0xff, 0x57, 0xe0, 0x8e, /* { add r27, r26, r27 ; info 10 ; ld r28, r28 } */
1191 0xdd, 0x0f, 0x00, 0x70,
1192 0x80, 0x73, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; jr r28 } */
1193};
1194
1195static const bfd_byte
1196tilegx64_short_plt_entry[PLT_ENTRY_SIZE] =
1197{
1198 0x00, 0x30, 0x48, 0x51,
1199 0x0d, 0xf0, 0x6a, 0x28, /* { lnk r26 } */
1200 0x9c, 0x06, 0x00, 0x90,
1201 0xed, 0x07, 0x00, 0x00, /* { addli r28, r26, 0 ; moveli r27, 0 } */
1202 0xdd, 0x0f, 0x00, 0x70,
1203 0x8e, 0xeb, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; ld r28, r28 } */
1204 0x9b, 0xb6, 0x0d, 0x50,
1205 0x80, 0x73, 0x6a, 0x28, /* { add r27, r26, r27 ; jr r28 } */
1206 0x00, 0x30, 0x48, 0xd1,
1207 0xff, 0x57, 0x18, 0x18, /* { info 10 } */
1208};
1209
1210/* Reuse an existing info 10 bundle. */
0e4894b9 1211static const bfd_byte *const tilegx64_plt_tail_entry =
aa137e4d
NC		 1212 &tilegx64_short_plt_entry[4 * TILEGX_BUNDLE_SIZE_IN_BYTES];
1213
1214static const bfd_byte
1215tilegx32_plt0_entry[PLT_HEADER_SIZE] =
1216{
1217 0x00, 0x30, 0x48, 0x51,
1218 0x6e, 0x23, 0x58, 0x18, /* { ld4s_add r28, r27, 4 } */
1219 0x00, 0x30, 0xbc, 0x35,
1220 0x00, 0x40, 0xde, 0x9c, /* { ld4s r27, r27 } */
1221 0xff, 0xaf, 0x30, 0x40,
1222 0x60, 0x73, 0x6a, 0x28, /* { info 10 ; jr r27 } */
1223};
1224
1225static const bfd_byte
1226tilegx32_long_plt_entry[PLT_ENTRY_SIZE] =
1227{
1228 0xdc, 0x0f, 0x00, 0x10,
1229 0x0d, 0xf0, 0x6a, 0x28, /* { moveli r28, 0 ; lnk r26 } */
1230 0xdb, 0x0f, 0x00, 0x10,
1231 0x8e, 0x03, 0x00, 0x38, /* { moveli r27, 0 ; shl16insli r28, r28, 0 } */
1232 0x9c, 0xc6, 0x0d, 0xd0,
1233 0x6d, 0x03, 0x00, 0x38, /* { add r28, r26, r28 ; shl16insli r27, r27, 0 } */
1234 0x9b, 0xb6, 0xc5, 0xad,
1235 0xff, 0x57, 0xe0, 0x8c, /* { add r27, r26, r27 ; info 10 ; ld4s r28, r28 } */
1236 0xdd, 0x0f, 0x00, 0x70,
1237 0x80, 0x73, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; jr r28 } */
1238};
1239
1240static const bfd_byte
1241tilegx32_short_plt_entry[PLT_ENTRY_SIZE] =
1242{
1243 0x00, 0x30, 0x48, 0x51,
1244 0x0d, 0xf0, 0x6a, 0x28, /* { lnk r26 } */
1245 0x9c, 0x06, 0x00, 0x90,
1246 0xed, 0x07, 0x00, 0x00, /* { addli r28, r26, 0 ; moveli r27, 0 } */
1247 0xdd, 0x0f, 0x00, 0x70,
1248 0x8e, 0x9b, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; ld4s r28, r28 } */
1249 0x9b, 0xb6, 0x0d, 0x50,
1250 0x80, 0x73, 0x6a, 0x28, /* { add r27, r26, r27 ; jr r28 } */
1251 0x00, 0x30, 0x48, 0xd1,
1252 0xff, 0x57, 0x18, 0x18, /* { info 10 } */
1253};
1254
1255/* Reuse an existing info 10 bundle. */
0e4894b9 1256static const bfd_byte *const tilegx32_plt_tail_entry =
aa137e4d
NC		 1257 &tilegx64_short_plt_entry[4 * TILEGX_BUNDLE_SIZE_IN_BYTES];
1258
1259static int
1260tilegx_plt_entry_build (bfd *output_bfd,
1261 struct tilegx_elf_link_hash_table *htab,
1262 asection *splt, asection *sgotplt,
1263 bfd_vma offset, bfd_vma *r_offset)
1264{
1265 int plt_index = (offset - PLT_HEADER_SIZE) / PLT_ENTRY_SIZE;
1266 int got_offset = (plt_index * GOT_ENTRY_SIZE (htab)
1267 + GOTPLT_HEADER_SIZE (htab));
1268 tilegx_bundle_bits *pc;
1269
1270 /* Compute the distance from the got entry to the lnk. */
1271 bfd_signed_vma dist_got_entry = sgotplt->output_section->vma
1272 + sgotplt->output_offset
1273 + got_offset
1274 - splt->output_section->vma
1275 - splt->output_offset
1276 - offset
1277 - TILEGX_BUNDLE_SIZE_IN_BYTES;
1278
1279 /* Compute the distance to GOTPLT[0]. */
1280 bfd_signed_vma dist_got0 = dist_got_entry - got_offset;
1281
1282 /* Check whether we can use the short plt entry with 16-bit offset. */
1283 bfd_boolean short_plt_entry =
1284 (dist_got_entry <= 0x7fff && dist_got0 >= -0x8000);
1285
1286 const tilegx_bundle_bits *plt_entry = (tilegx_bundle_bits *)
1287 (ABI_64_P (output_bfd) ?
1288 (short_plt_entry ? tilegx64_short_plt_entry : tilegx64_long_plt_entry) :
1289 (short_plt_entry ? tilegx32_short_plt_entry : tilegx32_long_plt_entry));
1290
1291 /* Copy the plt entry template. */
1292 memcpy (splt->contents + offset, plt_entry, PLT_ENTRY_SIZE);
1293
1294 /* Write the immediate offsets. */
1295 pc = (tilegx_bundle_bits *)(splt->contents + offset);
1296
1297 if (short_plt_entry)
1298 {
1299 /* { lnk r28 } */
1300 pc++;
1301
1302 /* { addli r28, r28, &GOTPLT[MY_GOT_INDEX] ; moveli r27, &GOTPLT[0] } */
1303 *pc++ |= create_Imm16_X0 (dist_got_entry)
1304 | create_Imm16_X1 (dist_got0);
1305
1306 /* { shl16insli r29, zero, MY_PLT_INDEX ; ld r28, r28 } */
1307 *pc++ |= create_Imm16_X0 (plt_index);
1308 }
1309 else
1310 {
1311 /* { moveli r28, &GOTPLT[MY_GOT_INDEX] ; lnk r26 } */
1312 *pc++ |= create_Imm16_X0 (dist_got_entry >> 16);
1313
1314 /* { moveli r27, &GOTPLT[0] ;
1315 shl16insli r28, r28, &GOTPLT[MY_GOT_INDEX] } */
1316 *pc++ |= create_Imm16_X0 (dist_got0 >> 16)
1317 | create_Imm16_X1 (dist_got_entry);
1318
1319 /* { add r28, r26, r28 ; shl16insli r27, r27, &GOTPLT[0] } */
1320 *pc++ |= create_Imm16_X1 (dist_got0);
1321
1322 /* { add r27, r26, r27 ; info 10 ; ld r28, r28 } */
1323 pc++;
1324
1325 /* { shl16insli r29, zero, MY_GOT_INDEX ; jr r28 } */
1326 *pc++ |= create_Imm16_X0 (plt_index);
1327 }
1328
1329 /* Set the relocation offset. */
1330 *r_offset = got_offset;
1331
1332 return plt_index;
1333}
1334
1335/* Create an entry in an TILEGX ELF linker hash table. */
1336
1337static struct bfd_hash_entry *
1338link_hash_newfunc (struct bfd_hash_entry *entry,
1339 struct bfd_hash_table *table, const char *string)
1340{
1341 /* Allocate the structure if it has not already been allocated by a
1342 subclass. */
1343 if (entry == NULL)
1344 {
1345 entry =
07d6d2b8
AM		 1346 bfd_hash_allocate (table,
1347 sizeof (struct tilegx_elf_link_hash_entry));
aa137e4d
NC		 1348 if (entry == NULL)
1349 return entry;
1350 }
1351
1352 /* Call the allocation method of the superclass. */
1353 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1354 if (entry != NULL)
1355 {
1356 struct tilegx_elf_link_hash_entry *eh;
1357
1358 eh = (struct tilegx_elf_link_hash_entry *) entry;
1359 eh->dyn_relocs = NULL;
1360 eh->tls_type = GOT_UNKNOWN;
1361 }
1362
1363 return entry;
1364}
1365
1366/* Create a TILEGX ELF linker hash table. */
1367
1368struct bfd_link_hash_table *
1369tilegx_elf_link_hash_table_create (bfd *abfd)
1370{
1371 struct tilegx_elf_link_hash_table *ret;
1372 bfd_size_type amt = sizeof (struct tilegx_elf_link_hash_table);
1373
1374 ret = (struct tilegx_elf_link_hash_table *) bfd_zmalloc (amt);
1375 if (ret == NULL)
1376 return NULL;
1377
1378#ifdef BFD64
1379 if (ABI_64_P (abfd))
1380 {
1381 ret->bytes_per_word = 8;
1382 ret->word_align_power = 3;
1383 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
1384 ret->dtpoff_reloc = R_TILEGX_TLS_DTPOFF64;
1385 ret->dtpmod_reloc = R_TILEGX_TLS_DTPMOD64;
1386 ret->tpoff_reloc = R_TILEGX_TLS_TPOFF64;
1387 ret->r_info = tilegx_elf_r_info_64;
1388 ret->r_symndx = tilegx_elf_r_symndx_64;
1389 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
1390 ret->put_word = tilegx_put_word_64;
1391 }
1392 else
1393#endif
1394 {
1395 ret->bytes_per_word = 4;
1396 ret->word_align_power = 2;
1397 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
1398 ret->dtpoff_reloc = R_TILEGX_TLS_DTPOFF32;
1399 ret->dtpmod_reloc = R_TILEGX_TLS_DTPMOD32;
1400 ret->tpoff_reloc = R_TILEGX_TLS_TPOFF32;
1401 ret->r_info = tilegx_elf_r_info_32;
1402 ret->r_symndx = tilegx_elf_r_symndx_32;
1403 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
1404 ret->put_word = tilegx_put_word_32;
1405 }
1406
1407 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
1408 sizeof (struct tilegx_elf_link_hash_entry),
1409 TILEGX_ELF_DATA))
1410 {
1411 free (ret);
1412 return NULL;
1413 }
1414
1415 return &ret->elf.root;
1416}
1417
1418/* Create the .got section. */
1419
1420static bfd_boolean
1421tilegx_elf_create_got_section (bfd *abfd, struct bfd_link_info *info)
1422{
1423 flagword flags;
1424 asection *s, *s_got;
1425 struct elf_link_hash_entry *h;
1426 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1427 struct elf_link_hash_table *htab = elf_hash_table (info);
1428
1429 /* This function may be called more than once. */
ce558b89 1430 if (htab->sgot != NULL)
aa137e4d
NC		 1431 return TRUE;
1432
1433 flags = bed->dynamic_sec_flags;
1434
3d4d4302
AM		 1435 s = bfd_make_section_anyway_with_flags (abfd,
1436 (bed->rela_plts_and_copies_p
1437 ? ".rela.got" : ".rel.got"),
1438 (bed->dynamic_sec_flags
1439 | SEC_READONLY));
aa137e4d
NC		 1440 if (s == NULL
1441 || ! bfd_set_section_alignment (abfd, s, bed->s->log_file_align))
1442 return FALSE;
1443 htab->srelgot = s;
1444
3d4d4302 1445 s = s_got = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
aa137e4d
NC		 1446 if (s == NULL
1447 || !bfd_set_section_alignment (abfd, s, bed->s->log_file_align))
1448 return FALSE;
1449 htab->sgot = s;
1450
1451 /* The first bit of the global offset table is the header. */
1452 s->size += bed->got_header_size;
1453
1454 if (bed->want_got_plt)
1455 {
3d4d4302 1456 s = bfd_make_section_anyway_with_flags (abfd, ".got.plt", flags);
aa137e4d
NC		 1457 if (s == NULL
1458 || !bfd_set_section_alignment (abfd, s,
1459 bed->s->log_file_align))
1460 return FALSE;
1461 htab->sgotplt = s;
1462
1463 /* Reserve room for the header. */
1464 s->size += GOTPLT_HEADER_SIZE (tilegx_elf_hash_table (info));
1465 }
1466
1467 if (bed->want_got_sym)
1468 {
1469 /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got
1470 section. We don't do this in the linker script because we don't want
1471 to define the symbol if we are not creating a global offset
1472 table. */
1473 h = _bfd_elf_define_linkage_sym (abfd, info, s_got,
1474 "_GLOBAL_OFFSET_TABLE_");
1475 elf_hash_table (info)->hgot = h;
1476 if (h == NULL)
1477 return FALSE;
1478 }
1479
1480 return TRUE;
1481}
1482
1483/* Create .plt, .rela.plt, .got, .got.plt, .rela.got, .dynbss, and
1484 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1485 hash table. */
1486
1487bfd_boolean
1488tilegx_elf_create_dynamic_sections (bfd *dynobj,
1489 struct bfd_link_info *info)
1490{
aa137e4d
NC		 1491 if (!tilegx_elf_create_got_section (dynobj, info))
1492 return FALSE;
1493
9d19e4fd 1494 return _bfd_elf_create_dynamic_sections (dynobj, info);
aa137e4d
NC		 1495}
1496
1497/* Copy the extra info we tack onto an elf_link_hash_entry. */
1498
1499void
1500tilegx_elf_copy_indirect_symbol (struct bfd_link_info *info,
1501 struct elf_link_hash_entry *dir,
1502 struct elf_link_hash_entry *ind)
1503{
1504 struct tilegx_elf_link_hash_entry *edir, *eind;
1505
1506 edir = (struct tilegx_elf_link_hash_entry *) dir;
1507 eind = (struct tilegx_elf_link_hash_entry *) ind;
1508
1509 if (eind->dyn_relocs != NULL)
1510 {
1511 if (edir->dyn_relocs != NULL)
1512 {
3bf083ed
AM		 1513 struct elf_dyn_relocs **pp;
1514 struct elf_dyn_relocs *p;
aa137e4d
NC		 1515
1516 /* Add reloc counts against the indirect sym to the direct sym
1517 list. Merge any entries against the same section. */
1518 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1519 {
3bf083ed 1520 struct elf_dyn_relocs *q;
aa137e4d
NC		 1521
1522 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1523 if (q->sec == p->sec)
1524 {
1525 q->pc_count += p->pc_count;
1526 q->count += p->count;
1527 *pp = p->next;
1528 break;
1529 }
1530 if (q == NULL)
1531 pp = &p->next;
1532 }
1533 *pp = edir->dyn_relocs;
1534 }
1535
1536 edir->dyn_relocs = eind->dyn_relocs;
1537 eind->dyn_relocs = NULL;
1538 }
1539
1540 if (ind->root.type == bfd_link_hash_indirect
1541 && dir->got.refcount <= 0)
1542 {
1543 edir->tls_type = eind->tls_type;
1544 eind->tls_type = GOT_UNKNOWN;
1545 }
1546 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1547}
1548
6f7be959
WL		 1549static int
1550tilegx_tls_translate_to_le (int r_type)
1551{
1552 switch (r_type)
1553 {
1554 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
1555 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
1556 return R_TILEGX_IMM16_X0_HW0_TLS_LE;
1557
1558 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
1559 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
1560 return R_TILEGX_IMM16_X1_HW0_TLS_LE;
1561
1562 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
1563 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
1564 return R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE;
1565
1566 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
1567 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
1568 return R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE;
1569
1570 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
1571 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
1572 return R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE;
1573
1574 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
1575 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
1576 return R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE;
1577 }
1578 return r_type;
1579}
1580
1581static int
1582tilegx_tls_translate_to_ie (int r_type)
1583{
1584 switch (r_type)
1585 {
1586 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
1587 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
1588 return R_TILEGX_IMM16_X0_HW0_TLS_IE;
1589
1590 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
1591 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
1592 return R_TILEGX_IMM16_X1_HW0_TLS_IE;
1593
1594 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
1595 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
1596 return R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE;
1597
1598 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
1599 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
1600 return R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE;
1601
1602 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
1603 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
1604 return R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE;
1605
1606 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
1607 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
1608 return R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE;
1609 }
1610 return r_type;
1611}
1612
1613static int
1614tilegx_elf_tls_transition (struct bfd_link_info *info, int r_type,
1615 int is_local, bfd_boolean disable_le_transition)
1616{
28095894 1617 if (!bfd_link_executable (info))
6f7be959
WL		 1618 return r_type;
1619
1620 if (is_local && !disable_le_transition)
1621 return tilegx_tls_translate_to_le (r_type);
1622 else
1623 return tilegx_tls_translate_to_ie (r_type);
1624}
1625
aa137e4d
NC		 1626/* Look through the relocs for a section during the first phase, and
1627 allocate space in the global offset table or procedure linkage
1628 table. */
1629
1630bfd_boolean
1631tilegx_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1632 asection *sec, const Elf_Internal_Rela *relocs)
1633{
1634 struct tilegx_elf_link_hash_table *htab;
1635 Elf_Internal_Shdr *symtab_hdr;
1636 struct elf_link_hash_entry **sym_hashes;
aa137e4d
NC		 1637 const Elf_Internal_Rela *rel;
1638 const Elf_Internal_Rela *rel_end;
1639 asection *sreloc;
1640 int num_relocs;
6f7be959 1641 bfd_boolean has_tls_gd_or_ie = FALSE, has_tls_add = FALSE;
aa137e4d 1642
0e1862bb 1643 if (bfd_link_relocatable (info))
aa137e4d
NC		 1644 return TRUE;
1645
1646 htab = tilegx_elf_hash_table (info);
1647 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1648 sym_hashes = elf_sym_hashes (abfd);
aa137e4d
NC		 1649
1650 sreloc = NULL;
1651
1652 num_relocs = sec->reloc_count;
1653
1654 BFD_ASSERT (is_tilegx_elf (abfd) || num_relocs == 0);
1655
1656 if (htab->elf.dynobj == NULL)
1657 htab->elf.dynobj = abfd;
1658
1659 rel_end = relocs + num_relocs;
6f7be959
WL		 1660
1661 /* Check whether to do optimization to transform TLS GD/IE
1662 referehces to TLS LE. We disable it if we're linking with old
1663 TLS code sequences that do not support such optimization. Old
1664 TLS code sequences have tls_gd_call/tls_ie_load relocations but
1665 no tls_add relocations. */
1666 for (rel = relocs; rel < rel_end && !has_tls_add; rel++)
1667 {
1668 int r_type = TILEGX_ELF_R_TYPE (rel->r_info);
1669 switch (r_type)
1670 {
1671 case R_TILEGX_TLS_GD_CALL:
1672 case R_TILEGX_TLS_IE_LOAD:
1673 has_tls_gd_or_ie = TRUE;
1674 break;
1675 case R_TILEGX_IMM8_X0_TLS_ADD:
1676 case R_TILEGX_IMM8_Y0_TLS_ADD:
1677 case R_TILEGX_IMM8_X1_TLS_ADD:
1678 case R_TILEGX_IMM8_Y1_TLS_ADD:
1679 has_tls_add = TRUE;
1680 break;
1681 }
1682 }
1683
1684 sec->sec_flg0 = (has_tls_gd_or_ie && !has_tls_add);
1685 htab->disable_le_transition |= sec->sec_flg0;
1686
aa137e4d
NC		 1687 for (rel = relocs; rel < rel_end; rel++)
1688 {
1689 unsigned int r_type;
d42c267e 1690 unsigned int r_symndx;
aa137e4d
NC		 1691 struct elf_link_hash_entry *h;
1692 int tls_type;
1693
1694 r_symndx = TILEGX_ELF_R_SYMNDX (htab, rel->r_info);
1695 r_type = TILEGX_ELF_R_TYPE (rel->r_info);
1696
1697 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1698 {
695344c0 1699 /* xgettext:c-format */
871b3ab2 1700 _bfd_error_handler (_("%pB: bad symbol index: %d"),
4eca0228 1701 abfd, r_symndx);
aa137e4d
NC		 1702 return FALSE;
1703 }
1704
1705 if (r_symndx < symtab_hdr->sh_info)
1706 h = NULL;
1707 else
1708 {
1709 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1710 while (h->root.type == bfd_link_hash_indirect
1711 || h->root.type == bfd_link_hash_warning)
1712 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1713 }
1714
6f7be959
WL		 1715 r_type = tilegx_elf_tls_transition (info, r_type, h == NULL,
1716 sec->sec_flg0);
aa137e4d
NC		 1717 switch (r_type)
1718 {
6f7be959
WL		 1719 case R_TILEGX_IMM16_X0_HW0_TLS_LE:
1720 case R_TILEGX_IMM16_X1_HW0_TLS_LE:
1721 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
1722 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
1723 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
1724 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
28095894 1725 if (!bfd_link_executable (info))
6f7be959
WL		 1726 goto r_tilegx_plt32;
1727 break;
1728
aa137e4d
NC		 1729 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
1730 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
aa137e4d
NC		 1731 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
1732 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
1733 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
1734 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
0e1862bb 1735 BFD_ASSERT (bfd_link_pic (info));
6f7be959 1736 tls_type = GOT_TLS_GD;
07d6d2b8 1737 goto have_got_reference;
aa137e4d
NC		 1738
1739 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
1740 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
aa137e4d
NC		 1741 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
1742 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
1743 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
1744 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
07d6d2b8
AM		 1745 tls_type = GOT_TLS_IE;
1746 if (!bfd_link_executable (info))
1747 info->flags |= DF_STATIC_TLS;
1748 goto have_got_reference;
aa137e4d
NC		 1749
1750 case R_TILEGX_IMM16_X0_HW0_GOT:
1751 case R_TILEGX_IMM16_X1_HW0_GOT:
aa137e4d
NC		 1752 case R_TILEGX_IMM16_X0_HW0_LAST_GOT:
1753 case R_TILEGX_IMM16_X1_HW0_LAST_GOT:
1754 case R_TILEGX_IMM16_X0_HW1_LAST_GOT:
1755 case R_TILEGX_IMM16_X1_HW1_LAST_GOT:
07d6d2b8
AM		 1756 tls_type = GOT_NORMAL;
1757 /* Fall Through */
aa137e4d 1758
07d6d2b8 1759 have_got_reference:
aa137e4d
NC		 1760 /* This symbol requires a global offset table entry. */
1761 {
07d6d2b8 1762 int old_tls_type;
aa137e4d
NC		 1763
1764 if (h != NULL)
1765 {
1766 h->got.refcount += 1;
1767 old_tls_type = tilegx_elf_hash_entry(h)->tls_type;
1768 }
1769 else
1770 {
1771 bfd_signed_vma *local_got_refcounts;
1772
1773 /* This is a global offset table entry for a local symbol. */
1774 local_got_refcounts = elf_local_got_refcounts (abfd);
1775 if (local_got_refcounts == NULL)
1776 {
1777 bfd_size_type size;
1778
1779 size = symtab_hdr->sh_info;
1780 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1781 local_got_refcounts = ((bfd_signed_vma *)
1782 bfd_zalloc (abfd, size));
1783 if (local_got_refcounts == NULL)
1784 return FALSE;
1785 elf_local_got_refcounts (abfd) = local_got_refcounts;
07d6d2b8
AM		 1786 _bfd_tilegx_elf_local_got_tls_type (abfd)
1787 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
aa137e4d
NC		 1788 }
1789 local_got_refcounts[r_symndx] += 1;
07d6d2b8
AM		 1790 old_tls_type = _bfd_tilegx_elf_local_got_tls_type (abfd) [r_symndx];
1791 }
1792
1793 /* If a TLS symbol is accessed using IE at least once,
1794 there is no point to use dynamic model for it. */
1795 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1796 && (old_tls_type != GOT_TLS_GD
1797 || tls_type != GOT_TLS_IE))
1798 {
1799 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1800 tls_type = old_tls_type;
1801 else
1802 {
4eca0228 1803 _bfd_error_handler
695344c0 1804 /* xgettext:c-format */
871b3ab2 1805 (_("%pB: `%s' accessed both as normal and thread local symbol"),
07d6d2b8
AM		 1806 abfd, h ? h->root.root.string : "<local>");
1807 return FALSE;
1808 }
1809 }
1810
1811 if (old_tls_type != tls_type)
1812 {
1813 if (h != NULL)
1814 tilegx_elf_hash_entry (h)->tls_type = tls_type;
1815 else
1816 _bfd_tilegx_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
aa137e4d
NC		 1817 }
1818 }
1819
1820 if (htab->elf.sgot == NULL)
1821 {
1822 if (!tilegx_elf_create_got_section (htab->elf.dynobj, info))
1823 return FALSE;
1824 }
1825 break;
1826
6f7be959 1827 case R_TILEGX_TLS_GD_CALL:
28095894 1828 if (!bfd_link_executable (info))
6f7be959
WL		 1829 {
1830 /* These are basically R_TILEGX_JUMPOFF_X1_PLT relocs
1831 against __tls_get_addr. */
1832 struct bfd_link_hash_entry *bh = NULL;
1833 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1834 "__tls_get_addr", 0,
1835 bfd_und_section_ptr, 0,
1836 NULL, FALSE, FALSE,
1837 &bh))
1838 return FALSE;
1839 h = (struct elf_link_hash_entry *) bh;
1840 }
1841 else
1842 break;
1843 /* Fall through */
1844
07d6d2b8 1845 case R_TILEGX_JUMPOFF_X1_PLT:
e5b95258
WL		 1846 case R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
1847 case R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
1848 case R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
1849 case R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
1850 case R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
1851 case R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
1852 case R_TILEGX_IMM16_X0_HW3_PLT_PCREL:
1853 case R_TILEGX_IMM16_X1_HW3_PLT_PCREL:
1854 case R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
1855 case R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
1856 case R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
1857 case R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
1858 case R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
1859 case R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
aa137e4d
NC		 1860 /* This symbol requires a procedure linkage table entry. We
1861 actually build the entry in adjust_dynamic_symbol,
1862 because this might be a case of linking PIC code without
1863 linking in any dynamic objects, in which case we don't
1864 need to generate a procedure linkage table after all. */
1865
1866 if (h != NULL)
07d6d2b8
AM		 1867 {
1868 h->needs_plt = 1;
1869 h->plt.refcount += 1;
1870 }
aa137e4d
NC		 1871 break;
1872
07d6d2b8
AM		 1873 case R_TILEGX_64_PCREL:
1874 case R_TILEGX_32_PCREL:
1875 case R_TILEGX_16_PCREL:
1876 case R_TILEGX_8_PCREL:
aa137e4d
NC		 1877 case R_TILEGX_IMM16_X0_HW0_PCREL:
1878 case R_TILEGX_IMM16_X1_HW0_PCREL:
1879 case R_TILEGX_IMM16_X0_HW1_PCREL:
1880 case R_TILEGX_IMM16_X1_HW1_PCREL:
1881 case R_TILEGX_IMM16_X0_HW2_PCREL:
1882 case R_TILEGX_IMM16_X1_HW2_PCREL:
1883 case R_TILEGX_IMM16_X0_HW3_PCREL:
1884 case R_TILEGX_IMM16_X1_HW3_PCREL:
1885 case R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
1886 case R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
1887 case R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
1888 case R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
1889 case R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
1890 case R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
1891 if (h != NULL)
1892 h->non_got_ref = 1;
1893
1894 if (h != NULL
1895 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1896 break;
1897 /* Fall through. */
1898
07d6d2b8
AM		 1899 case R_TILEGX_64:
1900 case R_TILEGX_32:
1901 case R_TILEGX_16:
1902 case R_TILEGX_8:
aa137e4d
NC		 1903 case R_TILEGX_HW0:
1904 case R_TILEGX_HW1:
1905 case R_TILEGX_HW2:
1906 case R_TILEGX_HW3:
1907 case R_TILEGX_HW0_LAST:
1908 case R_TILEGX_HW1_LAST:
1909 case R_TILEGX_HW2_LAST:
07d6d2b8
AM		 1910 case R_TILEGX_COPY:
1911 case R_TILEGX_GLOB_DAT:
1912 case R_TILEGX_JMP_SLOT:
1913 case R_TILEGX_RELATIVE:
1914 case R_TILEGX_BROFF_X1:
1915 case R_TILEGX_JUMPOFF_X1:
1916 case R_TILEGX_IMM8_X0:
1917 case R_TILEGX_IMM8_Y0:
1918 case R_TILEGX_IMM8_X1:
1919 case R_TILEGX_IMM8_Y1:
1920 case R_TILEGX_DEST_IMM8_X1:
1921 case R_TILEGX_MT_IMM14_X1:
1922 case R_TILEGX_MF_IMM14_X1:
1923 case R_TILEGX_MMSTART_X0:
1924 case R_TILEGX_MMEND_X0:
1925 case R_TILEGX_SHAMT_X0:
1926 case R_TILEGX_SHAMT_X1:
1927 case R_TILEGX_SHAMT_Y0:
1928 case R_TILEGX_SHAMT_Y1:
aa137e4d
NC		 1929 case R_TILEGX_IMM16_X0_HW0:
1930 case R_TILEGX_IMM16_X1_HW0:
1931 case R_TILEGX_IMM16_X0_HW1:
1932 case R_TILEGX_IMM16_X1_HW1:
1933 case R_TILEGX_IMM16_X0_HW2:
1934 case R_TILEGX_IMM16_X1_HW2:
1935 case R_TILEGX_IMM16_X0_HW3:
1936 case R_TILEGX_IMM16_X1_HW3:
1937 case R_TILEGX_IMM16_X0_HW0_LAST:
1938 case R_TILEGX_IMM16_X1_HW0_LAST:
1939 case R_TILEGX_IMM16_X0_HW1_LAST:
1940 case R_TILEGX_IMM16_X1_HW1_LAST:
1941 case R_TILEGX_IMM16_X0_HW2_LAST:
1942 case R_TILEGX_IMM16_X1_HW2_LAST:
1943 if (h != NULL)
6f7be959 1944 h->non_got_ref = 1;
aa137e4d 1945
6f7be959 1946 r_tilegx_plt32:
0e1862bb 1947 if (h != NULL && !bfd_link_pic (info))
6f7be959
WL		 1948 {
1949 /* We may need a .plt entry if the function this reloc
1950 refers to is in a shared lib. */
1951 h->plt.refcount += 1;
1952 }
aa137e4d
NC		 1953
1954 /* If we are creating a shared library, and this is a reloc
1955 against a global symbol, or a non PC relative reloc
1956 against a local symbol, then we need to copy the reloc
1957 into the shared library. However, if we are linking with
1958 -Bsymbolic, we do not need to copy a reloc against a
1959 global symbol which is defined in an object we are
1960 including in the link (i.e., DEF_REGULAR is set). At
1961 this point we have not seen all the input files, so it is
1962 possible that DEF_REGULAR is not set now but will be set
1963 later (it is never cleared). In case of a weak definition,
1964 DEF_REGULAR may be cleared later by a strong definition in
1965 a shared library. We account for that possibility below by
1966 storing information in the relocs_copied field of the hash
1967 table entry. A similar situation occurs when creating
1968 shared libraries and symbol visibility changes render the
1969 symbol local.
1970
1971 If on the other hand, we are creating an executable, we
1972 may need to keep relocations for symbols satisfied by a
1973 dynamic library if we manage to avoid copy relocs for the
1974 symbol. */
0e1862bb 1975 if ((bfd_link_pic (info)
aa137e4d
NC		 1976 && (sec->flags & SEC_ALLOC) != 0
1977 && (! tilegx_elf_howto_table[r_type].pc_relative
1978 || (h != NULL
1979 && (! info->symbolic
1980 || h->root.type == bfd_link_hash_defweak
1981 || !h->def_regular))))
0e1862bb 1982 || (!bfd_link_pic (info)
aa137e4d
NC		 1983 && (sec->flags & SEC_ALLOC) != 0
1984 && h != NULL
1985 && (h->root.type == bfd_link_hash_defweak
1986 || !h->def_regular)))
1987 {
3bf083ed
AM		 1988 struct elf_dyn_relocs *p;
1989 struct elf_dyn_relocs **head;
aa137e4d
NC		 1990
1991 /* When creating a shared object, we must copy these
1992 relocs into the output file. We create a reloc
1993 section in dynobj and make room for the reloc. */
1994 if (sreloc == NULL)
1995 {
1996 sreloc = _bfd_elf_make_dynamic_reloc_section
1997 (sec, htab->elf.dynobj, htab->word_align_power, abfd,
1998 /*rela?*/ TRUE);
1999
2000 if (sreloc == NULL)
2001 return FALSE;
2002 }
2003
2004 /* If this is a global symbol, we count the number of
2005 relocations we need for this symbol. */
2006 if (h != NULL)
2007 head =
07d6d2b8 2008 &((struct tilegx_elf_link_hash_entry *) h)->dyn_relocs;
aa137e4d
NC		 2009 else
2010 {
2011 /* Track dynamic relocs needed for local syms too.
2012 We really need local syms available to do this
2013 easily. Oh well. */
2014
2015 asection *s;
2016 void *vpp;
2017 Elf_Internal_Sym *isym;
2018
2019 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
2020 abfd, r_symndx);
2021 if (isym == NULL)
2022 return FALSE;
2023
2024 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
2025 if (s == NULL)
2026 s = sec;
2027
2028 vpp = &elf_section_data (s)->local_dynrel;
3bf083ed 2029 head = (struct elf_dyn_relocs **) vpp;
aa137e4d
NC		 2030 }
2031
2032 p = *head;
2033 if (p == NULL || p->sec != sec)
2034 {
2035 bfd_size_type amt = sizeof *p;
3bf083ed 2036 p = ((struct elf_dyn_relocs *)
aa137e4d
NC		 2037 bfd_alloc (htab->elf.dynobj, amt));
2038 if (p == NULL)
2039 return FALSE;
2040 p->next = *head;
2041 *head = p;
2042 p->sec = sec;
2043 p->count = 0;
2044 p->pc_count = 0;
2045 }
2046
2047 p->count += 1;
2048 if (tilegx_elf_howto_table[r_type].pc_relative)
2049 p->pc_count += 1;
2050 }
2051
2052 break;
2053
2054 case R_TILEGX_GNU_VTINHERIT:
2055 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
2056 return FALSE;
2057 break;
2058
2059 case R_TILEGX_GNU_VTENTRY:
2060 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
2061 return FALSE;
2062 break;
2063
2064 default:
2065 break;
2066 }
2067 }
2068
2069 return TRUE;
2070}
2071
2072\f
2073asection *
2074tilegx_elf_gc_mark_hook (asection *sec,
2075 struct bfd_link_info *info,
2076 Elf_Internal_Rela *rel,
2077 struct elf_link_hash_entry *h,
2078 Elf_Internal_Sym *sym)
2079{
2080 if (h != NULL)
2081 {
2082 switch (TILEGX_ELF_R_TYPE (rel->r_info))
b45b6908
AM		 2083 {
2084 case R_TILEGX_GNU_VTINHERIT:
2085 case R_TILEGX_GNU_VTENTRY:
2086 return NULL;
2087 }
2088 }
2089
2090 /* FIXME: The test here, in check_relocs and in relocate_section
0e1862bb
L		 2091 dealing with TLS optimization, ought to be !bfd_link_executable (info). */
2092 if (bfd_link_pic (info))
b45b6908 2093 {
8e354058
L		 2094 struct bfd_link_hash_entry *bh;
2095
b45b6908
AM		 2096 switch (TILEGX_ELF_R_TYPE (rel->r_info))
2097 {
2098 case R_TILEGX_TLS_GD_CALL:
2099 /* This reloc implicitly references __tls_get_addr. We know
2100 another reloc will reference the same symbol as the one
2101 on this reloc, so the real symbol and section will be
2102 gc marked when processing the other reloc. That lets
2103 us handle __tls_get_addr here. */
8e354058
L		 2104 bh = NULL;
2105 if (! _bfd_generic_link_add_one_symbol (info, sec->owner,
2106 "__tls_get_addr", 0,
2107 bfd_und_section_ptr,
2108 0, NULL, FALSE,
2109 FALSE, &bh))
2110 return NULL;
2111 h = (struct elf_link_hash_entry *) bh;
b45b6908
AM		 2112 BFD_ASSERT (h != NULL);
2113 h->mark = 1;
60d67dc8
AM		 2114 if (h->is_weakalias)
2115 weakdef (h)->mark = 1;
b45b6908
AM		 2116 sym = NULL;
2117 }
aa137e4d
NC		 2118 }
2119
2120 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
2121}
2122
63c1f59d
AM		 2123/* Find dynamic relocs for H that apply to read-only sections. */
2124
2125static asection *
2126readonly_dynrelocs (struct elf_link_hash_entry *h)
2127{
3bf083ed 2128 struct elf_dyn_relocs *p;
63c1f59d
AM		 2129
2130 for (p = tilegx_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
2131 {
2132 asection *s = p->sec->output_section;
2133
2134 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2135 return p->sec;
2136 }
2137 return NULL;
2138}
2139
aa137e4d
NC		 2140/* Adjust a symbol defined by a dynamic object and referenced by a
2141 regular object. The current definition is in some section of the
2142 dynamic object, but we're not including those sections. We have to
2143 change the definition to something the rest of the link can
2144 understand. */
2145
2146bfd_boolean
2147tilegx_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2148 struct elf_link_hash_entry *h)
2149{
2150 struct tilegx_elf_link_hash_table *htab;
aa137e4d 2151 bfd *dynobj;
5474d94f 2152 asection *s, *srel;
aa137e4d
NC		 2153
2154 htab = tilegx_elf_hash_table (info);
2155 BFD_ASSERT (htab != NULL);
2156
2157 dynobj = htab->elf.dynobj;
2158
2159 /* Make sure we know what is going on here. */
2160 BFD_ASSERT (dynobj != NULL
2161 && (h->needs_plt
60d67dc8 2162 || h->is_weakalias
aa137e4d
NC		 2163 || (h->def_dynamic
2164 && h->ref_regular
2165 && !h->def_regular)));
2166
2167 /* If this is a function, put it in the procedure linkage table. We
2168 will fill in the contents of the procedure linkage table later
2169 (although we could actually do it here). */
2170 if (h->type == STT_FUNC || h->needs_plt)
2171 {
2172 if (h->plt.refcount <= 0
2173 || SYMBOL_CALLS_LOCAL (info, h)
2174 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2175 && h->root.type == bfd_link_hash_undefweak))
2176 {
2177 /* This case can occur if we saw a R_TILEGX_JUMPOFF_X1_PLT
07d6d2b8
AM		 2178 reloc in an input file, but the symbol was never referred
2179 to by a dynamic object, or if all references were garbage
2180 collected. In such a case, we don't actually need to build
2181 a procedure linkage table, and we can just do a
2182 R_TILEGX_JUMPOFF_X1 relocation instead. */
aa137e4d
NC		 2183 h->plt.offset = (bfd_vma) -1;
2184 h->needs_plt = 0;
2185 }
2186
2187 return TRUE;
2188 }
2189 else
2190 h->plt.offset = (bfd_vma) -1;
2191
2192 /* If this is a weak symbol, and there is a real definition, the
2193 processor independent code will have arranged for us to see the
2194 real definition first, and we can just use the same value. */
60d67dc8 2195 if (h->is_weakalias)
aa137e4d 2196 {
60d67dc8
AM		 2197 struct elf_link_hash_entry *def = weakdef (h);
2198 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2199 h->root.u.def.section = def->root.u.def.section;
2200 h->root.u.def.value = def->root.u.def.value;
aa137e4d
NC		 2201 return TRUE;
2202 }
2203
2204 /* This is a reference to a symbol defined by a dynamic object which
2205 is not a function. */
2206
2207 /* If we are creating a shared library, we must presume that the
2208 only references to the symbol are via the global offset table.
2209 For such cases we need not do anything here; the relocations will
2210 be handled correctly by relocate_section. */
0e1862bb 2211 if (bfd_link_pic (info))
aa137e4d
NC		 2212 return TRUE;
2213
2214 /* If there are no references to this symbol that do not use the
2215 GOT, we don't need to generate a copy reloc. */
2216 if (!h->non_got_ref)
2217 return TRUE;
2218
2219 /* If -z nocopyreloc was given, we won't generate them either. */
2220 if (info->nocopyreloc)
2221 {
2222 h->non_got_ref = 0;
2223 return TRUE;
2224 }
2225
3bf083ed 2226 /* If we don't find any dynamic relocs in read-only sections, then
aa137e4d 2227 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
3bf083ed 2228 if (!readonly_dynrelocs (h))
aa137e4d
NC		 2229 {
2230 h->non_got_ref = 0;
2231 return TRUE;
2232 }
2233
aa137e4d
NC		 2234 /* We must allocate the symbol in our .dynbss section, which will
2235 become part of the .bss section of the executable. There will be
2236 an entry for this symbol in the .dynsym section. The dynamic
2237 object will contain position independent code, so all references
2238 from the dynamic object to this symbol will go through the global
2239 offset table. The dynamic linker will use the .dynsym entry to
2240 determine the address it must put in the global offset table, so
2241 both the dynamic object and the regular object will refer to the
2242 same memory location for the variable. */
2243
2244 /* We must generate a R_TILEGX_COPY reloc to tell the dynamic linker
2245 to copy the initial value out of the dynamic object and into the
2246 runtime process image. We need to remember the offset into the
2247 .rel.bss section we are going to use. */
5474d94f
AM		 2248 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2249 {
2250 s = htab->elf.sdynrelro;
2251 srel = htab->elf.sreldynrelro;
2252 }
2253 else
2254 {
2255 s = htab->elf.sdynbss;
2256 srel = htab->elf.srelbss;
2257 }
1d7e9d18 2258 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
aa137e4d 2259 {
5474d94f 2260 srel->size += TILEGX_ELF_RELA_BYTES (htab);
aa137e4d
NC		 2261 h->needs_copy = 1;
2262 }
2263
5474d94f 2264 return _bfd_elf_adjust_dynamic_copy (info, h, s);
aa137e4d
NC		 2265}
2266
2267/* Allocate space in .plt, .got and associated reloc sections for
2268 dynamic relocs. */
2269
2270static bfd_boolean
e4d34ace 2271allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
aa137e4d
NC		 2272{
2273 struct bfd_link_info *info;
2274 struct tilegx_elf_link_hash_table *htab;
2275 struct tilegx_elf_link_hash_entry *eh;
3bf083ed 2276 struct elf_dyn_relocs *p;
aa137e4d
NC		 2277
2278 if (h->root.type == bfd_link_hash_indirect)
2279 return TRUE;
2280
aa137e4d
NC		 2281 info = (struct bfd_link_info *) inf;
2282 htab = tilegx_elf_hash_table (info);
2283 BFD_ASSERT (htab != NULL);
2284
2285 if (htab->elf.dynamic_sections_created
2286 && h->plt.refcount > 0)
2287 {
2288 /* Make sure this symbol is output as a dynamic symbol.
2289 Undefined weak syms won't yet be marked as dynamic. */
2290 if (h->dynindx == -1
2291 && !h->forced_local)
2292 {
2293 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2294 return FALSE;
2295 }
2296
0e1862bb 2297 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
aa137e4d
NC		 2298 {
2299 asection *s = htab->elf.splt;
2300
2301 /* Allocate room for the header and tail. */
2302 if (s->size == 0)
2303 {
663b5850 2304 s->size = PLT_ENTRY_SIZE;
aa137e4d
NC		 2305 }
2306
07d6d2b8 2307 h->plt.offset = s->size - PLT_ENTRY_SIZE + PLT_HEADER_SIZE;
aa137e4d
NC		 2308
2309 /* If this symbol is not defined in a regular file, and we are
2310 not generating a shared library, then set the symbol to this
2311 location in the .plt. This is required to make function
2312 pointers compare as equal between the normal executable and
2313 the shared library. */
0e1862bb 2314 if (! bfd_link_pic (info)
aa137e4d
NC		 2315 && !h->def_regular)
2316 {
2317 h->root.u.def.section = s;
2318 h->root.u.def.value = h->plt.offset;
2319 }
2320
2321 /* Make room for this entry. */
2322 s->size += PLT_ENTRY_SIZE;
2323
2324 /* We also need to make an entry in the .got.plt section. */
2325 htab->elf.sgotplt->size += GOT_ENTRY_SIZE (htab);
2326
2327 /* We also need to make an entry in the .rela.plt section. */
2328 htab->elf.srelplt->size += TILEGX_ELF_RELA_BYTES (htab);
2329 }
2330 else
2331 {
2332 h->plt.offset = (bfd_vma) -1;
2333 h->needs_plt = 0;
2334 }
2335 }
2336 else
2337 {
2338 h->plt.offset = (bfd_vma) -1;
2339 h->needs_plt = 0;
2340 }
2341
6f7be959
WL		 2342 /* If a TLS_IE symbol is now local to the binary, make it a TLS_LE
2343 requiring no TLS entry. */
2344 if (h->got.refcount > 0
2345 && !htab->disable_le_transition
28095894 2346 && bfd_link_executable (info)
6f7be959
WL		 2347 && h->dynindx == -1
2348 && tilegx_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2349 h->got.offset = (bfd_vma) -1;
2350 else if (h->got.refcount > 0)
aa137e4d
NC		 2351 {
2352 asection *s;
2353 bfd_boolean dyn;
2354 int tls_type = tilegx_elf_hash_entry(h)->tls_type;
2355
2356 /* Make sure this symbol is output as a dynamic symbol.
2357 Undefined weak syms won't yet be marked as dynamic. */
2358 if (h->dynindx == -1
2359 && !h->forced_local)
2360 {
2361 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2362 return FALSE;
2363 }
2364
2365 s = htab->elf.sgot;
2366 h->got.offset = s->size;
2367 s->size += TILEGX_ELF_WORD_BYTES (htab);
2368 /* TLS_GD entries need 2 consecutive GOT slots. */
2369 if (tls_type == GOT_TLS_GD)
07d6d2b8 2370 s->size += TILEGX_ELF_WORD_BYTES (htab);
aa137e4d
NC		 2371 dyn = htab->elf.dynamic_sections_created;
2372 /* TLS_IE needs one dynamic relocation,
07d6d2b8 2373 TLS_GD needs two if local symbol and two if global. */
aa137e4d
NC		 2374 if (tls_type == GOT_TLS_GD || tls_type == GOT_TLS_IE)
2375 htab->elf.srelgot->size += 2 * TILEGX_ELF_RELA_BYTES (htab);
0e1862bb
L		 2376 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2377 bfd_link_pic (info),
2378 h))
aa137e4d
NC		 2379 htab->elf.srelgot->size += TILEGX_ELF_RELA_BYTES (htab);
2380 }
2381 else
2382 h->got.offset = (bfd_vma) -1;
2383
2384 eh = (struct tilegx_elf_link_hash_entry *) h;
2385 if (eh->dyn_relocs == NULL)
2386 return TRUE;
2387
2388 /* In the shared -Bsymbolic case, discard space allocated for
2389 dynamic pc-relative relocs against symbols which turn out to be
2390 defined in regular objects. For the normal shared case, discard
2391 space for pc-relative relocs that have become local due to symbol
2392 visibility changes. */
2393
0e1862bb 2394 if (bfd_link_pic (info))
aa137e4d
NC		 2395 {
2396 if (SYMBOL_CALLS_LOCAL (info, h))
2397 {
3bf083ed 2398 struct elf_dyn_relocs **pp;
aa137e4d
NC		 2399
2400 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2401 {
2402 p->count -= p->pc_count;
2403 p->pc_count = 0;
2404 if (p->count == 0)
2405 *pp = p->next;
2406 else
2407 pp = &p->next;
2408 }
2409 }
2410
2411 /* Also discard relocs on undefined weak syms with non-default
2412 visibility. */
2413 if (eh->dyn_relocs != NULL
2414 && h->root.type == bfd_link_hash_undefweak)
2415 {
a3cd202a
L		 2416 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2417 || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
aa137e4d
NC		 2418 eh->dyn_relocs = NULL;
2419
2420 /* Make sure undefined weak symbols are output as a dynamic
2421 symbol in PIEs. */
2422 else if (h->dynindx == -1
2423 && !h->forced_local)
2424 {
2425 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2426 return FALSE;
2427 }
2428 }
2429 }
2430 else
2431 {
2432 /* For the non-shared case, discard space for relocs against
2433 symbols which turn out to need copy relocs or are not
2434 dynamic. */
2435
2436 if (!h->non_got_ref
2437 && ((h->def_dynamic
2438 && !h->def_regular)
2439 || (htab->elf.dynamic_sections_created
2440 && (h->root.type == bfd_link_hash_undefweak
2441 || h->root.type == bfd_link_hash_undefined))))
2442 {
2443 /* Make sure this symbol is output as a dynamic symbol.
2444 Undefined weak syms won't yet be marked as dynamic. */
2445 if (h->dynindx == -1
2446 && !h->forced_local)
2447 {
2448 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2449 return FALSE;
2450 }
2451
2452 /* If that succeeded, we know we'll be keeping all the
2453 relocs. */
2454 if (h->dynindx != -1)
2455 goto keep;
2456 }
2457
2458 eh->dyn_relocs = NULL;
2459
2460 keep: ;
2461 }
2462
2463 /* Finally, allocate space. */
2464 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2465 {
2466 asection *sreloc = elf_section_data (p->sec)->sreloc;
2467 sreloc->size += p->count * TILEGX_ELF_RELA_BYTES (htab);
2468 }
2469
2470 return TRUE;
2471}
2472
63c1f59d
AM		 2473/* Set DF_TEXTREL if we find any dynamic relocs that apply to
2474 read-only sections. */
aa137e4d
NC		 2475
2476static bfd_boolean
63c1f59d 2477maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
aa137e4d 2478{
63c1f59d 2479 asection *sec;
aa137e4d 2480
63c1f59d
AM		 2481 if (h->root.type == bfd_link_hash_indirect)
2482 return TRUE;
aa137e4d 2483
63c1f59d
AM		 2484 sec = readonly_dynrelocs (h);
2485 if (sec != NULL)
2486 {
2487 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
aa137e4d 2488
63c1f59d
AM		 2489 info->flags |= DF_TEXTREL;
2490 info->callbacks->minfo
c1c8c1ef 2491 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
63c1f59d 2492 sec->owner, h->root.root.string, sec);
007873f5 2493
63c1f59d
AM		 2494 /* Not an error, just cut short the traversal. */
2495 return FALSE;
aa137e4d
NC		 2496 }
2497 return TRUE;
2498}
2499
2500/* Return true if the dynamic symbol for a given section should be
2501 omitted when creating a shared library. */
2502
2503bfd_boolean
2504tilegx_elf_omit_section_dynsym (bfd *output_bfd,
2505 struct bfd_link_info *info,
2506 asection *p)
2507{
2508 /* We keep the .got section symbol so that explicit relocations
2509 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2510 can be turned into relocations against the .got symbol. */
2511 if (strcmp (p->name, ".got") == 0)
2512 return FALSE;
2513
d00dd7dc 2514 return _bfd_elf_omit_section_dynsym_default (output_bfd, info, p);
aa137e4d
NC		 2515}
2516
2517bfd_boolean
2518tilegx_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2519 struct bfd_link_info *info)
2520{
2521 struct tilegx_elf_link_hash_table *htab;
2522 bfd *dynobj;
2523 asection *s;
2524 bfd *ibfd;
2525
2526 htab = tilegx_elf_hash_table (info);
2527 BFD_ASSERT (htab != NULL);
2528 dynobj = htab->elf.dynobj;
2529 BFD_ASSERT (dynobj != NULL);
2530
2531 if (elf_hash_table (info)->dynamic_sections_created)
2532 {
2533 /* Set the contents of the .interp section to the interpreter. */
9b8b325a 2534 if (bfd_link_executable (info) && !info->nointerp)
aa137e4d 2535 {
3d4d4302 2536 s = bfd_get_linker_section (dynobj, ".interp");
aa137e4d
NC		 2537 BFD_ASSERT (s != NULL);
2538 s->size = strlen (htab->dynamic_interpreter) + 1;
2539 s->contents = (unsigned char *) htab->dynamic_interpreter;
2540 }
2541 }
2542
2543 /* Set up .got offsets for local syms, and space for local dynamic
2544 relocs. */
c72f2fb2 2545 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
aa137e4d
NC		 2546 {
2547 bfd_signed_vma *local_got;
2548 bfd_signed_vma *end_local_got;
2549 char *local_tls_type;
2550 bfd_size_type locsymcount;
2551 Elf_Internal_Shdr *symtab_hdr;
2552 asection *srel;
2553
2554 if (! is_tilegx_elf (ibfd))
2555 continue;
2556
2557 for (s = ibfd->sections; s != NULL; s = s->next)
2558 {
3bf083ed 2559 struct elf_dyn_relocs *p;
aa137e4d
NC		 2560
2561 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2562 {
2563 if (!bfd_is_abs_section (p->sec)
2564 && bfd_is_abs_section (p->sec->output_section))
2565 {
2566 /* Input section has been discarded, either because
2567 it is a copy of a linkonce section or due to
2568 linker script /DISCARD/, so we'll be discarding
2569 the relocs too. */
2570 }
2571 else if (p->count != 0)
2572 {
2573 srel = elf_section_data (p->sec)->sreloc;
2574 srel->size += p->count * TILEGX_ELF_RELA_BYTES (htab);
2575 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
007873f5
L		 2576 {
2577 info->flags |= DF_TEXTREL;
2578
871b3ab2 2579 info->callbacks->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
007873f5
L		 2580 p->sec->owner, p->sec);
2581 }
aa137e4d
NC		 2582 }
2583 }
2584 }
2585
2586 local_got = elf_local_got_refcounts (ibfd);
2587 if (!local_got)
2588 continue;
2589
2590 symtab_hdr = &elf_symtab_hdr (ibfd);
2591 locsymcount = symtab_hdr->sh_info;
2592 end_local_got = local_got + locsymcount;
2593 local_tls_type = _bfd_tilegx_elf_local_got_tls_type (ibfd);
2594 s = htab->elf.sgot;
2595 srel = htab->elf.srelgot;
2596 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2597 {
2598 if (*local_got > 0)
2599 {
2600 *local_got = s->size;
2601 s->size += TILEGX_ELF_WORD_BYTES (htab);
07d6d2b8
AM		 2602 if (*local_tls_type == GOT_TLS_GD)
2603 s->size += TILEGX_ELF_WORD_BYTES (htab);
2604 if (bfd_link_pic (info)
2605 || *local_tls_type == GOT_TLS_GD
2606 || *local_tls_type == GOT_TLS_IE)
aa137e4d
NC		 2607 srel->size += TILEGX_ELF_RELA_BYTES (htab);
2608 }
2609 else
2610 *local_got = (bfd_vma) -1;
2611 }
2612 }
2613
2614 /* Allocate global sym .plt and .got entries, and space for global
2615 sym dynamic relocs. */
e4d34ace 2616 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
aa137e4d
NC		 2617
2618 if (elf_hash_table (info)->dynamic_sections_created)
2619 {
2620 /* If the .got section is more than 0x8000 bytes, we add
2621 0x8000 to the value of _GLOBAL_OFFSET_TABLE_, so that 16
2622 bit relocations have a greater chance of working. */
2623 if (htab->elf.sgot->size >= 0x8000
2624 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2625 elf_hash_table (info)->hgot->root.u.def.value = 0x8000;
2626 }
2627
2628 if (htab->elf.sgotplt)
2629 {
2630 struct elf_link_hash_entry *got;
2631 got = elf_link_hash_lookup (elf_hash_table (info),
2632 "_GLOBAL_OFFSET_TABLE_",
2633 FALSE, FALSE, FALSE);
2634
2635 /* Don't allocate .got.plt section if there are no GOT nor PLT
07d6d2b8 2636 entries and there is no refeence to _GLOBAL_OFFSET_TABLE_. */
aa137e4d
NC		 2637 if ((got == NULL
2638 || !got->ref_regular_nonweak)
2639 && (htab->elf.sgotplt->size
2640 == (unsigned)GOTPLT_HEADER_SIZE (htab))
2641 && (htab->elf.splt == NULL
2642 || htab->elf.splt->size == 0)
2643 && (htab->elf.sgot == NULL
2644 || (htab->elf.sgot->size
2645 == get_elf_backend_data (output_bfd)->got_header_size)))
2646 htab->elf.sgotplt->size = 0;
2647 }
2648
2649 /* The check_relocs and adjust_dynamic_symbol entry points have
2650 determined the sizes of the various dynamic sections. Allocate
2651 memory for them. */
2652 for (s = dynobj->sections; s != NULL; s = s->next)
2653 {
2654 if ((s->flags & SEC_LINKER_CREATED) == 0)
2655 continue;
2656
2657 if (s == htab->elf.splt
2658 || s == htab->elf.sgot
2659 || s == htab->elf.sgotplt
5474d94f
AM		 2660 || s == htab->elf.sdynbss
2661 || s == htab->elf.sdynrelro)
aa137e4d
NC		 2662 {
2663 /* Strip this section if we don't need it; see the
2664 comment below. */
2665 }
2666 else if (strncmp (s->name, ".rela", 5) == 0)
2667 {
2668 if (s->size != 0)
2669 {
2670 /* We use the reloc_count field as a counter if we need
2671 to copy relocs into the output file. */
2672 s->reloc_count = 0;
2673 }
2674 }
2675 else
2676 {
2677 /* It's not one of our sections. */
2678 continue;
2679 }
2680
2681 if (s->size == 0)
2682 {
2683 /* If we don't need this section, strip it from the
2684 output file. This is mostly to handle .rela.bss and
2685 .rela.plt. We must create both sections in
2686 create_dynamic_sections, because they must be created
2687 before the linker maps input sections to output
2688 sections. The linker does that before
2689 adjust_dynamic_symbol is called, and it is that
2690 function which decides whether anything needs to go
2691 into these sections. */
2692 s->flags |= SEC_EXCLUDE;
2693 continue;
2694 }
2695
2696 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2697 continue;
2698
2699 /* Allocate memory for the section contents. Zero the memory
2700 for the benefit of .rela.plt, which has 4 unused entries
2701 at the beginning, and we don't want garbage. */
2702 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2703 if (s->contents == NULL)
2704 return FALSE;
2705 }
2706
2707 if (elf_hash_table (info)->dynamic_sections_created)
2708 {
2709 /* Add some entries to the .dynamic section. We fill in the
2710 values later, in tilegx_elf_finish_dynamic_sections, but we
2711 must add the entries now so that we get the correct size for
2712 the .dynamic section. The DT_DEBUG entry is filled in by the
2713 dynamic linker and used by the debugger. */
2714#define add_dynamic_entry(TAG, VAL) \
2715 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2716
0e1862bb 2717 if (bfd_link_executable (info))
aa137e4d
NC		 2718 {
2719 if (!add_dynamic_entry (DT_DEBUG, 0))
2720 return FALSE;
2721 }
2722
2723 if (htab->elf.srelplt->size != 0)
2724 {
2725 if (!add_dynamic_entry (DT_PLTGOT, 0)
2726 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2727 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2728 || !add_dynamic_entry (DT_JMPREL, 0))
2729 return FALSE;
2730 }
2731
2732 if (!add_dynamic_entry (DT_RELA, 0)
2733 || !add_dynamic_entry (DT_RELASZ, 0)
2734 || !add_dynamic_entry (DT_RELAENT, TILEGX_ELF_RELA_BYTES (htab)))
2735 return FALSE;
2736
2737 /* If any dynamic relocs apply to a read-only section,
2738 then we need a DT_TEXTREL entry. */
2739 if ((info->flags & DF_TEXTREL) == 0)
63c1f59d 2740 elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
aa137e4d
NC		 2741
2742 if (info->flags & DF_TEXTREL)
2743 {
2744 if (!add_dynamic_entry (DT_TEXTREL, 0))
2745 return FALSE;
2746 }
2747 }
2748#undef add_dynamic_entry
2749
2750 return TRUE;
2751}
2752\f
2753/* Return the base VMA address which should be subtracted from real addresses
2754 when resolving @dtpoff relocation.
2755 This is PT_TLS segment p_vaddr. */
2756
2757static bfd_vma
2758dtpoff_base (struct bfd_link_info *info)
2759{
2760 /* If tls_sec is NULL, we should have signalled an error already. */
2761 if (elf_hash_table (info)->tls_sec == NULL)
2762 return 0;
2763 return elf_hash_table (info)->tls_sec->vma;
2764}
2765
2766/* Return the relocation value for @tpoff relocation. */
2767
2768static bfd_vma
2769tpoff (struct bfd_link_info *info, bfd_vma address)
2770{
2771 struct elf_link_hash_table *htab = elf_hash_table (info);
2772
2773 /* If tls_sec is NULL, we should have signalled an error already. */
2774 if (htab->tls_sec == NULL)
2775 return 0;
2776
2777 return (address - htab->tls_sec->vma);
2778}
2779
6f7be959
WL		 2780/* Copy SIZE bits from FROM to TO at address ADDR. */
2781
2782static void
2783tilegx_copy_bits (bfd_byte *addr, int from, int to, int size)
2784{
2785 int i;
2786 for (i = 0; i < size; i++)
2787 {
2788 int from_byte = (from + i) / 8;
2789 int from_bit = (from + i) % 8;
2790 int to_byte = (to + i) / 8;
2791 int to_bit = (to + i) % 8;
2792 bfd_byte to_mask = 1 << to_bit;
2793 addr[to_byte] = (addr[to_byte] & ~to_mask)
2794 | ((addr[from_byte] >> from_bit << to_bit) & to_mask);
2795 }
2796}
2797
2798/* Replace the MASK bits in ADDR with those in INSN, for the next
2799 TILEGX_BUNDLE_SIZE_IN_BYTES bytes. */
2800
2801static void
2802tilegx_replace_insn (bfd_byte *addr, const bfd_byte *mask,
2803 const bfd_byte *insn)
2804{
2805 int i;
2806 for (i = 0; i < TILEGX_BUNDLE_SIZE_IN_BYTES; i++)
2807 {
2808 addr[i] = (addr[i] & ~mask[i]) | (insn[i] & mask[i]);
2809 }
2810}
2811
2812/* Mask to extract the bits corresponding to an instruction in a
2813 specific pipe of a bundle. */
2814static const bfd_byte insn_mask_X1[] = {
2815 0x00, 0x00, 0x00, 0x80, 0xff, 0xff, 0xff, 0x3f
2816};
2817
2818/* Mask to extract the bits corresponding to an instruction in a
2819 specific pipe of a bundle, minus the destination operand and the
2820 first source operand. */
68ffbac6 2821static const bfd_byte insn_mask_X0_no_dest_no_srca[] = {
6f7be959
WL		 2822 0x00, 0xf0, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00
2823};
2824
2825static const bfd_byte insn_mask_X1_no_dest_no_srca[] = {
2826 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0x3f
2827};
2828
2829static const bfd_byte insn_mask_Y0_no_dest_no_srca[] = {
2830 0x00, 0xf0, 0x0f, 0x78, 0x00, 0x00, 0x00, 0x00
2831};
2832static const bfd_byte insn_mask_Y1_no_dest_no_srca[] = {
2833 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x07, 0x3c
2834};
2835
2836/* Mask to extract the bits corresponding to an instruction in a
2837 specific pipe of a bundle, minus the register operands. */
2838static const bfd_byte insn_mask_X0_no_operand[] = {
2839 0x00, 0x00, 0xfc, 0x7f, 0x00, 0x00, 0x00, 0x00
2840};
2841
2842static const bfd_byte insn_mask_X1_no_operand[] = {
2843 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x3f
2844};
2845
2846static const bfd_byte insn_mask_Y0_no_operand[] = {
2847 0x00, 0x00, 0x0c, 0x78, 0x00, 0x00, 0x00, 0x00
2848};
2849
2850static const bfd_byte insn_mask_Y1_no_operand[] = {
2851 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x3c
2852};
2853
2854/* Various instructions synthesized to support tls references. */
2855
2856/* ld r0, r0 in the X1 pipe, used for tls ie. */
2857static const bfd_byte insn_tls_ie_ld_X1[] = {
2858 0x00, 0x00, 0x00, 0x00, 0x00, 0xe8, 0x6a, 0x28
2859};
2860
2861/* ld4s r0, r0 in the X1 pipe, used for tls ie. */
2862static const bfd_byte insn_tls_ie_ld4s_X1[] = {
2863 0x00, 0x00, 0x00, 0x00, 0x00, 0x98, 0x6a, 0x28
2864};
2865
2866/* add r0, r0, tp in various pipes, used for tls ie. */
2867static const bfd_byte insn_tls_ie_add_X0X1[] = {
2868 0x00, 0x50, 0x0f, 0x50, 0x00, 0xa8, 0x07, 0x28
2869};
2870static const bfd_byte insn_tls_ie_add_Y0Y1[] = {
2871 0x00, 0x50, 0x27, 0x2c, 0x00, 0xa8, 0x13, 0x9a
2872};
2873
2874/* addx r0, r0, tp in various pipes, used for tls ie. */
2875static const bfd_byte insn_tls_ie_addx_X0X1[] = {
2876 0x00, 0x50, 0x0b, 0x50, 0x00, 0xa8, 0x05, 0x28
2877};
2878static const bfd_byte insn_tls_ie_addx_Y0Y1[] = {
2879 0x00, 0x50, 0x03, 0x2c, 0x00, 0xa8, 0x01, 0x9a
2880};
2881
2882/* move r0, r0 in various pipes, used for tls gd. */
2883static const bfd_byte insn_tls_gd_add_X0X1[] = {
2884 0x00, 0xf0, 0x07, 0x51, 0x00, 0xf8, 0x3b, 0x28
2885};
2886static const bfd_byte insn_tls_gd_add_Y0Y1[] = {
2887 0x00, 0xf0, 0x0b, 0x54, 0x00, 0xf8, 0x05, 0xae
2888};
2889
2890static const bfd_byte *insn_move_X0X1 = insn_tls_gd_add_X0X1;
2891static const bfd_byte *insn_move_Y0Y1 = insn_tls_gd_add_Y0Y1;
2892
2893static const bfd_byte *insn_add_X0X1 = insn_tls_ie_add_X0X1;
2894static const bfd_byte *insn_add_Y0Y1 = insn_tls_ie_add_Y0Y1;
2895
2896static const bfd_byte *insn_addx_X0X1 = insn_tls_ie_addx_X0X1;
2897static const bfd_byte *insn_addx_Y0Y1 = insn_tls_ie_addx_Y0Y1;
2898
aa137e4d
NC		 2899/* Relocate an TILEGX ELF section.
2900
2901 The RELOCATE_SECTION function is called by the new ELF backend linker
2902 to handle the relocations for a section.
2903
2904 The relocs are always passed as Rela structures.
2905
2906 This function is responsible for adjusting the section contents as
2907 necessary, and (if generating a relocatable output file) adjusting
2908 the reloc addend as necessary.
2909
2910 This function does not have to worry about setting the reloc
2911 address or the reloc symbol index.
2912
2913 LOCAL_SYMS is a pointer to the swapped in local symbols.
2914
2915 LOCAL_SECTIONS is an array giving the section in the input file
2916 corresponding to the st_shndx field of each local symbol.
2917
2918 The global hash table entry for the global symbols can be found
2919 via elf_sym_hashes (input_bfd).
2920
2921 When generating relocatable output, this function must handle
2922 STB_LOCAL/STT_SECTION symbols specially. The output symbol is
2923 going to be the section symbol corresponding to the output
2924 section, which means that the addend must be adjusted
2925 accordingly. */
2926
2927bfd_boolean
2928tilegx_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
2929 bfd *input_bfd, asection *input_section,
2930 bfd_byte *contents, Elf_Internal_Rela *relocs,
2931 Elf_Internal_Sym *local_syms,
2932 asection **local_sections)
2933{
2934 struct tilegx_elf_link_hash_table *htab;
2935 Elf_Internal_Shdr *symtab_hdr;
2936 struct elf_link_hash_entry **sym_hashes;
2937 bfd_vma *local_got_offsets;
535127d2 2938 bfd_vma got_base;
aa137e4d
NC		 2939 asection *sreloc;
2940 Elf_Internal_Rela *rel;
2941 Elf_Internal_Rela *relend;
2942 int num_relocs;
2943
2944 htab = tilegx_elf_hash_table (info);
2945 BFD_ASSERT (htab != NULL);
2946 symtab_hdr = &elf_symtab_hdr (input_bfd);
2947 sym_hashes = elf_sym_hashes (input_bfd);
2948 local_got_offsets = elf_local_got_offsets (input_bfd);
2949
535127d2
WL		 2950 if (elf_hash_table (info)->hgot == NULL)
2951 got_base = 0;
2952 else
2953 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2954
aa137e4d
NC		 2955 sreloc = elf_section_data (input_section)->sreloc;
2956
2957 rel = relocs;
2958 num_relocs = input_section->reloc_count;
2959 relend = relocs + num_relocs;
2960 for (; rel < relend; rel++)
2961 {
2962 int r_type, tls_type;
6f7be959 2963 bfd_boolean is_tls_iele, is_tls_le;
aa137e4d
NC		 2964 reloc_howto_type *howto;
2965 unsigned long r_symndx;
2966 struct elf_link_hash_entry *h;
2967 Elf_Internal_Sym *sym;
2968 tilegx_create_func create_func;
2969 asection *sec;
2970 bfd_vma relocation;
2971 bfd_reloc_status_type r;
2972 const char *name;
2973 bfd_vma off;
2974 bfd_boolean is_plt = FALSE;
a3cd202a 2975 bfd_boolean resolved_to_zero;
aa137e4d
NC		 2976 bfd_boolean unresolved_reloc;
2977
2978 r_type = TILEGX_ELF_R_TYPE (rel->r_info);
2979 if (r_type == R_TILEGX_GNU_VTINHERIT
2980 || r_type == R_TILEGX_GNU_VTENTRY)
2981 continue;
2982
2983 if ((unsigned int)r_type >= ARRAY_SIZE (tilegx_elf_howto_table))
47aeb64c 2984 return _bfd_unrecognized_reloc (input_bfd, input_section, r_type);
aa137e4d
NC		 2985
2986 howto = tilegx_elf_howto_table + r_type;
2987
2988 /* This is a final link. */
2989 r_symndx = TILEGX_ELF_R_SYMNDX (htab, rel->r_info);
2990 h = NULL;
2991 sym = NULL;
2992 sec = NULL;
2993 unresolved_reloc = FALSE;
2994 if (r_symndx < symtab_hdr->sh_info)
2995 {
2996 sym = local_syms + r_symndx;
2997 sec = local_sections[r_symndx];
2998 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2999 }
3000 else
3001 {
62d887d4
L		 3002 bfd_boolean warned ATTRIBUTE_UNUSED;
3003 bfd_boolean ignored ATTRIBUTE_UNUSED;
aa137e4d
NC		 3004
3005 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
3006 r_symndx, symtab_hdr, sym_hashes,
3007 h, sec, relocation,
62d887d4 3008 unresolved_reloc, warned, ignored);
aa137e4d
NC		 3009 if (warned)
3010 {
3011 /* To avoid generating warning messages about truncated
3012 relocations, set the relocation's address to be the same as
3013 the start of this section. */
3014 if (input_section->output_section != NULL)
3015 relocation = input_section->output_section->vma;
3016 else
3017 relocation = 0;
3018 }
3019 }
3020
dbaa2011 3021 if (sec != NULL && discarded_section (sec))
aa137e4d 3022 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 3023 rel, 1, relend, howto, 0, contents);
aa137e4d 3024
0e1862bb 3025 if (bfd_link_relocatable (info))
aa137e4d
NC		 3026 continue;
3027
3028 if (h != NULL)
3029 name = h->root.root.string;
3030 else
3031 {
3032 name = (bfd_elf_string_from_elf_section
3033 (input_bfd, symtab_hdr->sh_link, sym->st_name));
3034 if (name == NULL || *name == '\0')
3035 name = bfd_section_name (input_bfd, sec);
3036 }
3037
6f7be959
WL		 3038 switch (r_type)
3039 {
3040 case R_TILEGX_TLS_GD_CALL:
3041 case R_TILEGX_IMM8_X0_TLS_GD_ADD:
3042 case R_TILEGX_IMM8_Y0_TLS_GD_ADD:
3043 case R_TILEGX_IMM8_X1_TLS_GD_ADD:
3044 case R_TILEGX_IMM8_Y1_TLS_GD_ADD:
3045 case R_TILEGX_IMM8_X0_TLS_ADD:
3046 case R_TILEGX_IMM8_Y0_TLS_ADD:
3047 case R_TILEGX_IMM8_X1_TLS_ADD:
3048 case R_TILEGX_IMM8_Y1_TLS_ADD:
3049 tls_type = GOT_UNKNOWN;
3050 if (h == NULL && local_got_offsets)
3051 tls_type =
3052 _bfd_tilegx_elf_local_got_tls_type (input_bfd) [r_symndx];
3053 else if (h != NULL)
3054 tls_type = tilegx_elf_hash_entry(h)->tls_type;
3055
28095894 3056 is_tls_iele = (bfd_link_executable (info) || tls_type == GOT_TLS_IE);
6f7be959 3057 is_tls_le = is_tls_iele && (!input_section->sec_flg0
28095894 3058 && bfd_link_executable (info)
6f7be959
WL		 3059 && (h == NULL || h->dynindx == -1));
3060
3061 if (r_type == R_TILEGX_TLS_GD_CALL)
3062 {
3063 if (is_tls_le)
3064 {
3065 /* GD -> LE */
3066 tilegx_replace_insn (contents + rel->r_offset,
3067 insn_mask_X1, insn_move_X0X1);
3068 continue;
3069 }
3070 else if (is_tls_iele)
3071 {
3072 /* GD -> IE */
3073 if (ABI_64_P (output_bfd))
3074 tilegx_replace_insn (contents + rel->r_offset,
3075 insn_mask_X1, insn_tls_ie_ld_X1);
3076 else
3077 tilegx_replace_insn (contents + rel->r_offset,
3078 insn_mask_X1, insn_tls_ie_ld4s_X1);
3079 continue;
3080 }
3081
3082 /* GD -> GD */
3083 h = (struct elf_link_hash_entry *)
3084 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3085 FALSE, TRUE);
3086 BFD_ASSERT (h != NULL);
3087 r_type = R_TILEGX_JUMPOFF_X1_PLT;
3088 howto = tilegx_elf_howto_table + r_type;
3089 }
3090 else if (r_type == R_TILEGX_IMM8_X0_TLS_ADD
3091 || r_type == R_TILEGX_IMM8_X1_TLS_ADD
3092 || r_type == R_TILEGX_IMM8_Y0_TLS_ADD
3093 || r_type == R_TILEGX_IMM8_Y1_TLS_ADD)
3094 {
3095 bfd_boolean is_pipe0 =
3096 (r_type == R_TILEGX_IMM8_X0_TLS_ADD
3097 || r_type == R_TILEGX_IMM8_Y0_TLS_ADD);
3098 bfd_boolean is_X0X1 =
3099 (r_type == R_TILEGX_IMM8_X0_TLS_ADD
3100 || r_type == R_TILEGX_IMM8_X1_TLS_ADD);
3101 int dest_begin = is_pipe0 ? 0 : 31;
3102 int src_begin;
3103 const bfd_byte *insn;
84abc003 3104 const bfd_byte *mask = NULL;
6f7be959
WL		 3105
3106 if (is_tls_le)
3107 {
3108 /* 1. copy dest operand into the first source operand.
3109 2. change the opcode to "move". */
3110 src_begin = is_pipe0 ? 6 : 37;
3111 insn = is_X0X1 ? insn_move_X0X1 : insn_move_Y0Y1;
3112
3113 switch (r_type)
3114 {
3115 case R_TILEGX_IMM8_X0_TLS_ADD:
3116 mask = insn_mask_X0_no_dest_no_srca;
3117 break;
3118 case R_TILEGX_IMM8_X1_TLS_ADD:
3119 mask = insn_mask_X1_no_dest_no_srca;
3120 break;
3121 case R_TILEGX_IMM8_Y0_TLS_ADD:
3122 mask = insn_mask_Y0_no_dest_no_srca;
3123 break;
3124 case R_TILEGX_IMM8_Y1_TLS_ADD:
3125 mask = insn_mask_Y1_no_dest_no_srca;
3126 break;
3127 }
3128 }
3129 else
3130 {
3131 /* 1. copy dest operand into the second source operand.
3132 2. change the opcode to "add". */
3133 src_begin = is_pipe0 ? 12 : 43;
3134 if (ABI_64_P (output_bfd))
3135 insn = is_X0X1 ? insn_add_X0X1 : insn_add_Y0Y1;
3136 else
3137 insn = is_X0X1 ? insn_addx_X0X1 : insn_addx_Y0Y1;
3138
3139 switch (r_type)
3140 {
3141 case R_TILEGX_IMM8_X0_TLS_ADD:
3142 mask = insn_mask_X0_no_operand;
3143 break;
3144 case R_TILEGX_IMM8_X1_TLS_ADD:
3145 mask = insn_mask_X1_no_operand;
3146 break;
3147 case R_TILEGX_IMM8_Y0_TLS_ADD:
3148 mask = insn_mask_Y0_no_operand;
3149 break;
3150 case R_TILEGX_IMM8_Y1_TLS_ADD:
3151 mask = insn_mask_Y1_no_operand;
3152 break;
3153 }
3154 }
3155
3156 tilegx_copy_bits (contents + rel->r_offset, dest_begin,
3157 src_begin, 6);
3158 tilegx_replace_insn (contents + rel->r_offset, mask, insn);
3159
3160 continue;
3161 }
3162 else
3163 {
3164 const bfd_byte *mask = NULL;
3165 const bfd_byte *add_insn = NULL;
3166 bfd_boolean is_64bit = ABI_64_P (output_bfd);
3167
3168 switch (r_type)
3169 {
3170 case R_TILEGX_IMM8_X0_TLS_GD_ADD:
3171 add_insn = is_tls_iele
3172 ? (is_64bit ? insn_tls_ie_add_X0X1 : insn_tls_ie_addx_X0X1)
3173 : insn_tls_gd_add_X0X1;
3174 mask = insn_mask_X0_no_dest_no_srca;
3175 break;
3176 case R_TILEGX_IMM8_X1_TLS_GD_ADD:
3177 add_insn = is_tls_iele
3178 ? (is_64bit ? insn_tls_ie_add_X0X1 : insn_tls_ie_addx_X0X1)
3179 : insn_tls_gd_add_X0X1;
3180 mask = insn_mask_X1_no_dest_no_srca;
3181 break;
3182 case R_TILEGX_IMM8_Y0_TLS_GD_ADD:
3183 add_insn = is_tls_iele
3184 ? (is_64bit ? insn_tls_ie_add_Y0Y1 : insn_tls_ie_addx_Y0Y1)
3185 : insn_tls_gd_add_Y0Y1;
3186 mask = insn_mask_Y0_no_dest_no_srca;
3187 break;
3188 case R_TILEGX_IMM8_Y1_TLS_GD_ADD:
3189 add_insn = is_tls_iele
3190 ? (is_64bit ? insn_tls_ie_add_Y0Y1 : insn_tls_ie_addx_Y0Y1)
3191 : insn_tls_gd_add_Y0Y1;
3192 mask = insn_mask_Y1_no_dest_no_srca;
3193 break;
3194 }
3195
3196 tilegx_replace_insn (contents + rel->r_offset, mask, add_insn);
3197
3198 continue;
3199 }
3200 break;
3201 case R_TILEGX_TLS_IE_LOAD:
3202 if (!input_section->sec_flg0
28095894 3203 && bfd_link_executable (info)
6f7be959
WL		 3204 && (h == NULL || h->dynindx == -1))
3205 {
3206 /* IE -> LE */
3207 tilegx_replace_insn (contents + rel->r_offset,
3208 insn_mask_X1_no_dest_no_srca,
3209 insn_move_X0X1);
3210 }
3211 else
3212 {
3213 /* IE -> IE */
3214 if (ABI_64_P (output_bfd))
3215 tilegx_replace_insn (contents + rel->r_offset,
3216 insn_mask_X1_no_dest_no_srca,
3217 insn_tls_ie_ld_X1);
3218 else
3219 tilegx_replace_insn (contents + rel->r_offset,
3220 insn_mask_X1_no_dest_no_srca,
3221 insn_tls_ie_ld4s_X1);
3222 }
3223 continue;
3224 break;
3225 default:
3226 break;
3227 }
3228
a3cd202a
L		 3229 resolved_to_zero = (h != NULL
3230 && UNDEFWEAK_NO_DYNAMIC_RELOC (info, h));
3231
aa137e4d
NC		 3232 switch (r_type)
3233 {
3234 case R_TILEGX_IMM16_X0_HW0_GOT:
3235 case R_TILEGX_IMM16_X1_HW0_GOT:
aa137e4d
NC		 3236 case R_TILEGX_IMM16_X0_HW0_LAST_GOT:
3237 case R_TILEGX_IMM16_X1_HW0_LAST_GOT:
3238 case R_TILEGX_IMM16_X0_HW1_LAST_GOT:
3239 case R_TILEGX_IMM16_X1_HW1_LAST_GOT:
aa137e4d
NC		 3240 /* Relocation is to the entry for this symbol in the global
3241 offset table. */
3242 if (htab->elf.sgot == NULL)
3243 abort ();
3244
3245 if (h != NULL)
3246 {
3247 bfd_boolean dyn;
3248
3249 off = h->got.offset;
3250 BFD_ASSERT (off != (bfd_vma) -1);
3251 dyn = elf_hash_table (info)->dynamic_sections_created;
3252
0e1862bb
L		 3253 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3254 bfd_link_pic (info),
3255 h)
3256 || (bfd_link_pic (info)
aa137e4d
NC		 3257 && SYMBOL_REFERENCES_LOCAL (info, h)))
3258 {
3259 /* This is actually a static link, or it is a
3260 -Bsymbolic link and the symbol is defined
3261 locally, or the symbol was forced to be local
3262 because of a version file. We must initialize
3263 this entry in the global offset table. Since the
3264 offset must always be a multiple
3265 of 8 for 64-bit, we use the least significant bit
3266 to record whether we have initialized it already.
3267
3268 When doing a dynamic link, we create a .rela.got
3269 relocation entry to initialize the value. This
3270 is done in the finish_dynamic_symbol routine. */
3271 if ((off & 1) != 0)
3272 off &= ~1;
3273 else
3274 {
3275 TILEGX_ELF_PUT_WORD (htab, output_bfd, relocation,
3276 htab->elf.sgot->contents + off);
3277 h->got.offset |= 1;
3278 }
3279 }
3280 else
3281 unresolved_reloc = FALSE;
3282 }
3283 else
3284 {
3285 BFD_ASSERT (local_got_offsets != NULL
3286 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3287
3288 off = local_got_offsets[r_symndx];
3289
3290 /* The offset must always be a multiple of 8 on 64-bit.
07d6d2b8 3291 We use the least significant bit to record
aa137e4d
NC		 3292 whether we have already processed this entry. */
3293 if ((off & 1) != 0)
3294 off &= ~1;
3295 else
3296 {
0e1862bb 3297 if (bfd_link_pic (info))
aa137e4d
NC		 3298 {
3299 asection *s;
3300 Elf_Internal_Rela outrel;
3301
3302 /* We need to generate a R_TILEGX_RELATIVE reloc
3303 for the dynamic linker. */
3304 s = htab->elf.srelgot;
3305 BFD_ASSERT (s != NULL);
3306
3307 outrel.r_offset = (htab->elf.sgot->output_section->vma
3308 + htab->elf.sgot->output_offset
3309 + off);
3310 outrel.r_info =
3311 TILEGX_ELF_R_INFO (htab, NULL, 0, R_TILEGX_RELATIVE);
3312 outrel.r_addend = relocation;
3313 relocation = 0;
3314 tilegx_elf_append_rela (output_bfd, s, &outrel);
3315 }
3316
3317 TILEGX_ELF_PUT_WORD (htab, output_bfd, relocation,
3318 htab->elf.sgot->contents + off);
3319 local_got_offsets[r_symndx] |= 1;
3320 }
3321 }
535127d2 3322 relocation = off - got_base;
aa137e4d
NC		 3323 break;
3324
07d6d2b8 3325 case R_TILEGX_JUMPOFF_X1_PLT:
e5b95258
WL		 3326 case R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
3327 case R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
3328 case R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
3329 case R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
3330 case R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
3331 case R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
3332 case R_TILEGX_IMM16_X0_HW3_PLT_PCREL:
3333 case R_TILEGX_IMM16_X1_HW3_PLT_PCREL:
3334 case R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
3335 case R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
3336 case R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
3337 case R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
3338 case R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
3339 case R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
aa137e4d
NC		 3340 /* Relocation is to the entry for this symbol in the
3341 procedure linkage table. */
07d6d2b8 3342 BFD_ASSERT (h != NULL);
aa137e4d
NC		 3343
3344 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3345 {
3346 /* We didn't make a PLT entry for this symbol. This
3347 happens when statically linking PIC code, or when
3348 using -Bsymbolic. */
3349 break;
3350 }
3351
3352 relocation = (htab->elf.splt->output_section->vma
3353 + htab->elf.splt->output_offset
3354 + h->plt.offset);
3355 unresolved_reloc = FALSE;
3356 break;
3357
07d6d2b8
AM		 3358 case R_TILEGX_64_PCREL:
3359 case R_TILEGX_32_PCREL:
3360 case R_TILEGX_16_PCREL:
3361 case R_TILEGX_8_PCREL:
aa137e4d
NC		 3362 case R_TILEGX_IMM16_X0_HW0_PCREL:
3363 case R_TILEGX_IMM16_X1_HW0_PCREL:
3364 case R_TILEGX_IMM16_X0_HW1_PCREL:
3365 case R_TILEGX_IMM16_X1_HW1_PCREL:
3366 case R_TILEGX_IMM16_X0_HW2_PCREL:
3367 case R_TILEGX_IMM16_X1_HW2_PCREL:
3368 case R_TILEGX_IMM16_X0_HW3_PCREL:
3369 case R_TILEGX_IMM16_X1_HW3_PCREL:
3370 case R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
3371 case R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
3372 case R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
3373 case R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
3374 case R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
3375 case R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
3376 if (h != NULL
3377 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3378 break;
3379 /* Fall through. */
07d6d2b8
AM		 3380 case R_TILEGX_64:
3381 case R_TILEGX_32:
3382 case R_TILEGX_16:
3383 case R_TILEGX_8:
aa137e4d
NC		 3384 case R_TILEGX_HW0:
3385 case R_TILEGX_HW1:
3386 case R_TILEGX_HW2:
3387 case R_TILEGX_HW3:
3388 case R_TILEGX_HW0_LAST:
3389 case R_TILEGX_HW1_LAST:
3390 case R_TILEGX_HW2_LAST:
07d6d2b8
AM		 3391 case R_TILEGX_COPY:
3392 case R_TILEGX_GLOB_DAT:
3393 case R_TILEGX_JMP_SLOT:
3394 case R_TILEGX_RELATIVE:
3395 case R_TILEGX_BROFF_X1:
3396 case R_TILEGX_JUMPOFF_X1:
3397 case R_TILEGX_IMM8_X0:
3398 case R_TILEGX_IMM8_Y0:
3399 case R_TILEGX_IMM8_X1:
3400 case R_TILEGX_IMM8_Y1:
3401 case R_TILEGX_DEST_IMM8_X1:
3402 case R_TILEGX_MT_IMM14_X1:
3403 case R_TILEGX_MF_IMM14_X1:
3404 case R_TILEGX_MMSTART_X0:
3405 case R_TILEGX_MMEND_X0:
3406 case R_TILEGX_SHAMT_X0:
3407 case R_TILEGX_SHAMT_X1:
3408 case R_TILEGX_SHAMT_Y0:
3409 case R_TILEGX_SHAMT_Y1:
aa137e4d
NC		 3410 case R_TILEGX_IMM16_X0_HW0:
3411 case R_TILEGX_IMM16_X1_HW0:
3412 case R_TILEGX_IMM16_X0_HW1:
3413 case R_TILEGX_IMM16_X1_HW1:
3414 case R_TILEGX_IMM16_X0_HW2:
3415 case R_TILEGX_IMM16_X1_HW2:
3416 case R_TILEGX_IMM16_X0_HW3:
3417 case R_TILEGX_IMM16_X1_HW3:
3418 case R_TILEGX_IMM16_X0_HW0_LAST:
3419 case R_TILEGX_IMM16_X1_HW0_LAST:
3420 case R_TILEGX_IMM16_X0_HW1_LAST:
3421 case R_TILEGX_IMM16_X1_HW1_LAST:
3422 case R_TILEGX_IMM16_X0_HW2_LAST:
3423 case R_TILEGX_IMM16_X1_HW2_LAST:
3424 if ((input_section->flags & SEC_ALLOC) == 0)
3425 break;
3426
0e1862bb 3427 if ((bfd_link_pic (info)
aa137e4d 3428 && (h == NULL
a3cd202a
L		 3429 || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3430 && !resolved_to_zero)
aa137e4d
NC		 3431 || h->root.type != bfd_link_hash_undefweak)
3432 && (! howto->pc_relative
3433 || !SYMBOL_CALLS_LOCAL (info, h)))
0e1862bb 3434 || (!bfd_link_pic (info)
aa137e4d
NC		 3435 && h != NULL
3436 && h->dynindx != -1
3437 && !h->non_got_ref
3438 && ((h->def_dynamic
3439 && !h->def_regular)
3440 || h->root.type == bfd_link_hash_undefweak
3441 || h->root.type == bfd_link_hash_undefined)))
3442 {
3443 Elf_Internal_Rela outrel;
3444 bfd_boolean skip, relocate = FALSE;
3445
3446 /* When generating a shared object, these relocations
3447 are copied into the output file to be resolved at run
3448 time. */
3449
3450 BFD_ASSERT (sreloc != NULL);
3451
3452 skip = FALSE;
3453
3454 outrel.r_offset =
3455 _bfd_elf_section_offset (output_bfd, info, input_section,
3456 rel->r_offset);
3457 if (outrel.r_offset == (bfd_vma) -1)
3458 skip = TRUE;
3459 else if (outrel.r_offset == (bfd_vma) -2)
3460 skip = TRUE, relocate = TRUE;
3461 outrel.r_offset += (input_section->output_section->vma
3462 + input_section->output_offset);
3463
3464 switch (r_type)
3465 {
07d6d2b8
AM		 3466 case R_TILEGX_64_PCREL:
3467 case R_TILEGX_32_PCREL:
3468 case R_TILEGX_16_PCREL:
3469 case R_TILEGX_8_PCREL:
aa137e4d
NC		 3470 /* If the symbol is not dynamic, we should not keep
3471 a dynamic relocation. But an .rela.* slot has been
3472 allocated for it, output R_TILEGX_NONE.
3473 FIXME: Add code tracking needed dynamic relocs as
3474 e.g. i386 has. */
3475 if (h->dynindx == -1)
3476 skip = TRUE, relocate = TRUE;
3477 break;
3478 }
3479
3480 if (skip)
3481 memset (&outrel, 0, sizeof outrel);
3482 /* h->dynindx may be -1 if the symbol was marked to
3483 become local. */
3484 else if (h != NULL &&
3485 h->dynindx != -1
3486 && (! is_plt
0e1862bb 3487 || !bfd_link_pic (info)
aa137e4d
NC		 3488 || !SYMBOLIC_BIND (info, h)
3489 || !h->def_regular))
3490 {
3491 BFD_ASSERT (h->dynindx != -1);
3492 outrel.r_info = TILEGX_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3493 outrel.r_addend = rel->r_addend;
3494 }
3495 else
3496 {
3497 if (r_type == R_TILEGX_32 || r_type == R_TILEGX_64)
3498 {
3499 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0,
3500 R_TILEGX_RELATIVE);
3501 outrel.r_addend = relocation + rel->r_addend;
3502 }
3503 else
3504 {
3505 long indx;
3506
3507 outrel.r_addend = relocation + rel->r_addend;
3508
3509 if (is_plt)
3510 sec = htab->elf.splt;
3511
3512 if (bfd_is_abs_section (sec))
3513 indx = 0;
3514 else if (sec == NULL || sec->owner == NULL)
3515 {
3516 bfd_set_error (bfd_error_bad_value);
3517 return FALSE;
3518 }
3519 else
3520 {
3521 asection *osec;
3522
3523 /* We are turning this relocation into one
3524 against a section symbol. It would be
3525 proper to subtract the symbol's value,
3526 osec->vma, from the emitted reloc addend,
3527 but ld.so expects buggy relocs. */
3528 osec = sec->output_section;
3529 indx = elf_section_data (osec)->dynindx;
3530
3531 if (indx == 0)
3532 {
3533 osec = htab->elf.text_index_section;
3534 indx = elf_section_data (osec)->dynindx;
3535 }
3536
3537 /* FIXME: we really should be able to link non-pic
3538 shared libraries. */
3539 if (indx == 0)
3540 {
3541 BFD_FAIL ();
4eca0228 3542 _bfd_error_handler
871b3ab2 3543 (_("%pB: probably compiled without -fPIC?"),
aa137e4d
NC		 3544 input_bfd);
3545 bfd_set_error (bfd_error_bad_value);
3546 return FALSE;
3547 }
3548 }
3549
3550 outrel.r_info = TILEGX_ELF_R_INFO (htab, rel, indx,
3551 r_type);
3552 }
3553 }
3554
3555 tilegx_elf_append_rela (output_bfd, sreloc, &outrel);
3556
3557 /* This reloc will be computed at runtime, so there's no
3558 need to do anything now. */
3559 if (! relocate)
3560 continue;
3561 }
3562 break;
3563
07d6d2b8
AM		 3564 case R_TILEGX_IMM16_X0_HW0_TLS_LE:
3565 case R_TILEGX_IMM16_X1_HW0_TLS_LE:
3566 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
3567 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
3568 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
3569 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
28095894 3570 if (!bfd_link_executable (info))
6f7be959
WL		 3571 {
3572 Elf_Internal_Rela outrel;
3573 bfd_boolean skip;
3574
3575 BFD_ASSERT (sreloc != NULL);
3576 skip = FALSE;
3577 outrel.r_offset =
3578 _bfd_elf_section_offset (output_bfd, info, input_section,
3579 rel->r_offset);
3580 if (outrel.r_offset == (bfd_vma) -1)
3581 skip = TRUE;
3582 else if (outrel.r_offset == (bfd_vma) -2)
3583 skip = TRUE;
3584 outrel.r_offset += (input_section->output_section->vma
3585 + input_section->output_offset);
3586 if (skip)
3587 memset (&outrel, 0, sizeof outrel);
3588 else
3589 {
3590 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0, r_type);
3591 outrel.r_addend = relocation - dtpoff_base (info)
3592 + rel->r_addend;
3593 }
3594
3595 tilegx_elf_append_rela (output_bfd, sreloc, &outrel);
3596 continue;
3597 }
3598 relocation = tpoff (info, relocation);
3599 break;
3600
07d6d2b8
AM		 3601 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
3602 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
3603 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
3604 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
3605 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
3606 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
3607 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
3608 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
3609 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
3610 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
3611 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
3612 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
6f7be959
WL		 3613 r_type = tilegx_elf_tls_transition (info, r_type, h == NULL,
3614 input_section->sec_flg0);
07d6d2b8 3615 tls_type = GOT_UNKNOWN;
aa137e4d 3616 if (h == NULL && local_got_offsets)
6f7be959
WL		 3617 tls_type =
3618 _bfd_tilegx_elf_local_got_tls_type (input_bfd) [r_symndx];
aa137e4d 3619 else if (h != NULL)
6f7be959
WL		 3620 {
3621 tls_type = tilegx_elf_hash_entry(h)->tls_type;
28095894 3622 if (bfd_link_executable (info)
0e1862bb
L		 3623 && h->dynindx == -1
3624 && tls_type == GOT_TLS_IE)
6f7be959
WL		 3625 r_type = (!input_section->sec_flg0
3626 ? tilegx_tls_translate_to_le (r_type)
3627 : tilegx_tls_translate_to_ie (r_type));
3628 }
aa137e4d
NC		 3629
3630 if (tls_type == GOT_TLS_IE)
6f7be959
WL		 3631 r_type = tilegx_tls_translate_to_ie (r_type);
3632
3633 if (r_type == R_TILEGX_IMM16_X0_HW0_TLS_LE
3634 || r_type == R_TILEGX_IMM16_X1_HW0_TLS_LE
3635 || r_type == R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE
3636 || r_type == R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE
3637 || r_type == R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE
3638 || r_type == R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE)
3639 {
3640 relocation = tpoff (info, relocation);
3641 break;
3642 }
aa137e4d
NC		 3643
3644 if (h != NULL)
3645 {
3646 off = h->got.offset;
3647 h->got.offset |= 1;
3648 }
3649 else
3650 {
3651 BFD_ASSERT (local_got_offsets != NULL);
3652 off = local_got_offsets[r_symndx];
3653 local_got_offsets[r_symndx] |= 1;
3654 }
3655
3656 if (htab->elf.sgot == NULL)
3657 abort ();
3658
3659 if ((off & 1) != 0)
3660 off &= ~1;
3661 else
3662 {
3663 Elf_Internal_Rela outrel;
3664 int indx = 0;
3665 bfd_boolean need_relocs = FALSE;
3666
3667 if (htab->elf.srelgot == NULL)
3668 abort ();
3669
3670 if (h != NULL)
3671 {
07d6d2b8
AM		 3672 bfd_boolean dyn;
3673 dyn = htab->elf.dynamic_sections_created;
aa137e4d 3674
0e1862bb
L		 3675 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3676 bfd_link_pic (info),
3677 h)
3678 && (!bfd_link_pic (info)
aa137e4d
NC		 3679 || !SYMBOL_REFERENCES_LOCAL (info, h)))
3680 {
3681 indx = h->dynindx;
3682 }
3683 }
3684
3685 /* The GOT entries have not been initialized yet. Do it
07d6d2b8 3686 now, and emit any relocations. */
0e1862bb 3687 if ((bfd_link_pic (info) || indx != 0)
aa137e4d
NC		 3688 && (h == NULL
3689 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3690 || h->root.type != bfd_link_hash_undefweak))
3691 need_relocs = TRUE;
3692
07d6d2b8
AM		 3693 switch (r_type)
3694 {
aa137e4d
NC		 3695 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
3696 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
aa137e4d
NC		 3697 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
3698 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
3699 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
3700 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
aa137e4d
NC		 3701 if (need_relocs) {
3702 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3703 htab->elf.sgot->contents + off);
07d6d2b8 3704 outrel.r_offset = (htab->elf.sgot->output_section->vma
aa137e4d 3705 + htab->elf.sgot->output_offset + off);
07d6d2b8 3706 outrel.r_addend = 0;
aa137e4d 3707 if (indx == 0)
07d6d2b8 3708 outrel.r_addend = relocation - dtpoff_base (info);
aa137e4d
NC		 3709 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
3710 TILEGX_ELF_TPOFF_RELOC (htab));
3711 tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
07d6d2b8 3712 } else {
aa137e4d
NC		 3713 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3714 tpoff (info, relocation),
3715 htab->elf.sgot->contents + off);
07d6d2b8
AM		 3716 }
3717 break;
aa137e4d
NC		 3718
3719 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
3720 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
aa137e4d
NC		 3721 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
3722 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
3723 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
3724 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
aa137e4d 3725 if (need_relocs) {
07d6d2b8 3726 outrel.r_offset = (htab->elf.sgot->output_section->vma
aa137e4d 3727 + htab->elf.sgot->output_offset + off);
07d6d2b8
AM		 3728 outrel.r_addend = 0;
3729 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
aa137e4d
NC		 3730 TILEGX_ELF_DTPMOD_RELOC (htab));
3731 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3732 htab->elf.sgot->contents + off);
07d6d2b8 3733 tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
aa137e4d 3734 if (indx == 0)
07d6d2b8
AM		 3735 {
3736 BFD_ASSERT (! unresolved_reloc);
aa137e4d
NC		 3737 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3738 relocation - dtpoff_base (info),
3739 (htab->elf.sgot->contents + off +
3740 TILEGX_ELF_WORD_BYTES (htab)));
07d6d2b8 3741 }
aa137e4d 3742 else
07d6d2b8 3743 {
aa137e4d
NC		 3744 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3745 (htab->elf.sgot->contents + off +
3746 TILEGX_ELF_WORD_BYTES (htab)));
07d6d2b8 3747 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
aa137e4d 3748 TILEGX_ELF_DTPOFF_RELOC (htab));
07d6d2b8
AM		 3749 outrel.r_offset += TILEGX_ELF_WORD_BYTES (htab);
3750 tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3751 }
3752 }
aa137e4d
NC		 3753
3754 else {
3755 /* If we are not emitting relocations for a
07d6d2b8
AM		 3756 general dynamic reference, then we must be in a
3757 static link or an executable link with the
3758 symbol binding locally. Mark it as belonging
3759 to module 1, the executable. */
aa137e4d
NC		 3760 TILEGX_ELF_PUT_WORD (htab, output_bfd, 1,
3761 htab->elf.sgot->contents + off );
3762 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3763 relocation - dtpoff_base (info),
3764 htab->elf.sgot->contents + off +
3765 TILEGX_ELF_WORD_BYTES (htab));
3766 }
07d6d2b8
AM		 3767 break;
3768 }
aa137e4d
NC		 3769 }
3770
3771 if (off >= (bfd_vma) -2)
3772 abort ();
3773
535127d2 3774 relocation = off - got_base;
aa137e4d
NC		 3775 unresolved_reloc = FALSE;
3776 howto = tilegx_elf_howto_table + r_type;
3777 break;
3778
3779 default:
3780 break;
3781 }
3782
3783 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3784 because such sections are not SEC_ALLOC and thus ld.so will
3785 not process them. */
3786 if (unresolved_reloc
3787 && !((input_section->flags & SEC_DEBUGGING) != 0
1d5316ab
AM		 3788 && h->def_dynamic)
3789 && _bfd_elf_section_offset (output_bfd, info, input_section,
3790 rel->r_offset) != (bfd_vma) -1)
4eca0228 3791 _bfd_error_handler
695344c0 3792 /* xgettext:c-format */
2dcf00ce
AM		 3793 (_("%pB(%pA+%#" PRIx64 "): "
3794 "unresolvable %s relocation against symbol `%s'"),
aa137e4d
NC		 3795 input_bfd,
3796 input_section,
2dcf00ce 3797 (uint64_t) rel->r_offset,
aa137e4d
NC		 3798 howto->name,
3799 h->root.root.string);
3800
3801 r = bfd_reloc_continue;
3802
3803 /* Get the operand creation function, if any. */
3804 create_func = reloc_to_create_func[r_type];
3805 if (create_func == NULL)
3806 {
07d6d2b8
AM		 3807 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3808 contents, rel->r_offset,
3809 relocation, rel->r_addend);
aa137e4d
NC		 3810 }
3811 else
3812 {
07d6d2b8
AM		 3813 if (howto->pc_relative)
3814 {
3815 relocation -=
3816 input_section->output_section->vma + input_section->output_offset;
3817 if (howto->pcrel_offset)
3818 relocation -= rel->r_offset;
3819 }
3820
3821 bfd_byte *data;
3822
3823 /* Add the relocation addend if any to the final target value */
3824 relocation += rel->r_addend;
3825
3826 /* Do basic range checking */
3827 r = bfd_check_overflow (howto->complain_on_overflow,
3828 howto->bitsize,
3829 howto->rightshift,
3830 TILEGX_ELF_WORD_BYTES (htab) * 8,
3831 relocation);
3832
3833 /*
3834 * Write the relocated value out into the raw section data.
3835 * Don't put a relocation out in the .rela section.
3836 */
3837 tilegx_bundle_bits mask = create_func(-1);
3838 tilegx_bundle_bits value = create_func(relocation >> howto->rightshift);
3839
3840 /* Only touch bytes while the mask is not 0, so we
3841 don't write to out of bounds memory if this is actually
3842 a 16-bit switch instruction. */
3843 for (data = contents + rel->r_offset; mask != 0; data++)
3844 {
3845 bfd_byte byte_mask = (bfd_byte)mask;
3846 *data = (*data & ~byte_mask) | ((bfd_byte)value & byte_mask);
3847 mask >>= 8;
3848 value >>= 8;
3849 }
aa137e4d
NC		 3850 }
3851
3852 if (r != bfd_reloc_ok)
3853 {
3854 const char *msg = NULL;
3855
3856 switch (r)
3857 {
3858 case bfd_reloc_overflow:
1a72702b 3859 (*info->callbacks->reloc_overflow)
aa137e4d
NC		 3860 (info, (h ? &h->root : NULL), name, howto->name,
3861 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
3862 break;
3863
3864 case bfd_reloc_undefined:
1a72702b
AM		 3865 (*info->callbacks->undefined_symbol)
3866 (info, name, input_bfd, input_section, rel->r_offset, TRUE);
aa137e4d
NC		 3867 break;
3868
3869 case bfd_reloc_outofrange:
3870 msg = _("internal error: out of range error");
3871 break;
3872
3873 case bfd_reloc_notsupported:
3874 msg = _("internal error: unsupported relocation error");
3875 break;
3876
3877 case bfd_reloc_dangerous:
3878 msg = _("internal error: dangerous relocation");
3879 break;
3880
3881 default:
3882 msg = _("internal error: unknown error");
3883 break;
3884 }
3885
3886 if (msg)
1a72702b
AM		 3887 (*info->callbacks->warning) (info, msg, name, input_bfd,
3888 input_section, rel->r_offset);
aa137e4d
NC		 3889 }
3890 }
3891
3892 return TRUE;
3893}
3894
3895/* Finish up dynamic symbol handling. We set the contents of various
3896 dynamic sections here. */
3897
3898bfd_boolean
3899tilegx_elf_finish_dynamic_symbol (bfd *output_bfd,
3900 struct bfd_link_info *info,
3901 struct elf_link_hash_entry *h,
3902 Elf_Internal_Sym *sym)
3903{
3904 struct tilegx_elf_link_hash_table *htab;
3905
3906 htab = tilegx_elf_hash_table (info);
3907 BFD_ASSERT (htab != NULL);
3908
3909 if (h->plt.offset != (bfd_vma) -1)
3910 {
3911 asection *splt;
3912 asection *srela;
3913 asection *sgotplt;
3914 Elf_Internal_Rela rela;
3915 bfd_byte *loc;
3916 bfd_vma r_offset;
3917 const struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
3918
3919
3920 int rela_index;
3921
3922 /* This symbol has an entry in the PLT. Set it up. */
3923
3924 BFD_ASSERT (h->dynindx != -1);
3925
3926 splt = htab->elf.splt;
3927 srela = htab->elf.srelplt;
3928 sgotplt = htab->elf.sgotplt;
3929
3930 if (splt == NULL || srela == NULL)
3931 abort ();
3932
3933 /* Fill in the entry in the procedure linkage table. */
3934 rela_index = tilegx_plt_entry_build (output_bfd, htab, splt, sgotplt,
3935 h->plt.offset, &r_offset);
3936
3937 /* Fill in the entry in the global offset table, which initially points
3938 to the beginning of the plt. */
3939 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3940 splt->output_section->vma + splt->output_offset,
3941 sgotplt->contents + r_offset);
3942
3943 /* Fill in the entry in the .rela.plt section. */
3944 rela.r_offset = (sgotplt->output_section->vma
3945 + sgotplt->output_offset
3946 + r_offset);
3947 rela.r_addend = 0;
3948 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_JMP_SLOT);
3949
3950 loc = srela->contents + rela_index * TILEGX_ELF_RELA_BYTES (htab);
3951 bed->s->swap_reloca_out (output_bfd, &rela, loc);
3952
3953 if (!h->def_regular)
3954 {
3955 /* Mark the symbol as undefined, rather than as defined in
3956 the .plt section. Leave the value alone. */
3957 sym->st_shndx = SHN_UNDEF;
3958 /* If the symbol is weak, we do need to clear the value.
3959 Otherwise, the PLT entry would provide a definition for
3960 the symbol even if the symbol wasn't defined anywhere,
3961 and so the symbol would never be NULL. */
3962 if (!h->ref_regular_nonweak)
3963 sym->st_value = 0;
3964 }
3965 }
3966
3967 if (h->got.offset != (bfd_vma) -1
3968 && tilegx_elf_hash_entry(h)->tls_type != GOT_TLS_GD
3969 && tilegx_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
3970 {
3971 asection *sgot;
3972 asection *srela;
3973 Elf_Internal_Rela rela;
3974
3975 /* This symbol has an entry in the GOT. Set it up. */
3976
3977 sgot = htab->elf.sgot;
3978 srela = htab->elf.srelgot;
3979 BFD_ASSERT (sgot != NULL && srela != NULL);
3980
3981 rela.r_offset = (sgot->output_section->vma
3982 + sgot->output_offset
3983 + (h->got.offset &~ (bfd_vma) 1));
3984
3985 /* If this is a -Bsymbolic link, and the symbol is defined
3986 locally, we just want to emit a RELATIVE reloc. Likewise if
3987 the symbol was forced to be local because of a version file.
3988 The entry in the global offset table will already have been
3989 initialized in the relocate_section function. */
0e1862bb 3990 if (bfd_link_pic (info)
aa137e4d
NC		 3991 && (info->symbolic || h->dynindx == -1)
3992 && h->def_regular)
3993 {
3994 asection *sec = h->root.u.def.section;
3995 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0, R_TILEGX_RELATIVE);
3996 rela.r_addend = (h->root.u.def.value
3997 + sec->output_section->vma
3998 + sec->output_offset);
3999 }
4000 else
4001 {
4002 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_GLOB_DAT);
4003 rela.r_addend = 0;
4004 }
4005
4006 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
4007 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
4008 tilegx_elf_append_rela (output_bfd, srela, &rela);
4009 }
4010
4011 if (h->needs_copy)
4012 {
4013 asection *s;
4014 Elf_Internal_Rela rela;
4015
4016 /* This symbols needs a copy reloc. Set it up. */
4017 BFD_ASSERT (h->dynindx != -1);
4018
afbf7e8e 4019 if (h->root.u.def.section == htab->elf.sdynrelro)
5474d94f
AM		 4020 s = htab->elf.sreldynrelro;
4021 else
4022 s = htab->elf.srelbss;
aa137e4d
NC		 4023 BFD_ASSERT (s != NULL);
4024
4025 rela.r_offset = (h->root.u.def.value
4026 + h->root.u.def.section->output_section->vma
4027 + h->root.u.def.section->output_offset);
4028 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_COPY);
4029 rela.r_addend = 0;
4030 tilegx_elf_append_rela (output_bfd, s, &rela);
4031 }
4032
4033 /* Mark some specially defined symbols as absolute. */
9637f6ef 4034 if (h == htab->elf.hdynamic
aa137e4d
NC		 4035 || (h == htab->elf.hgot || h == htab->elf.hplt))
4036 sym->st_shndx = SHN_ABS;
4037
4038 return TRUE;
4039}
4040
4041/* Finish up the dynamic sections. */
4042
4043static bfd_boolean
4044tilegx_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4045 bfd *dynobj, asection *sdyn,
4046 asection *splt ATTRIBUTE_UNUSED)
4047{
4048 struct tilegx_elf_link_hash_table *htab;
4049 const struct elf_backend_data *bed;
4050 bfd_byte *dyncon, *dynconend;
4051 size_t dynsize;
aa137e4d
NC		 4052
4053 htab = tilegx_elf_hash_table (info);
4054 BFD_ASSERT (htab != NULL);
4055 bed = get_elf_backend_data (output_bfd);
4056 dynsize = bed->s->sizeof_dyn;
4057 dynconend = sdyn->contents + sdyn->size;
aa137e4d
NC		 4058
4059 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4060 {
4061 Elf_Internal_Dyn dyn;
4062 asection *s;
4063
4064 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4065
4066 switch (dyn.d_tag)
4067 {
4068 case DT_PLTGOT:
4069 s = htab->elf.sgotplt;
4070 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4071 break;
4072 case DT_JMPREL:
4073 s = htab->elf.srelplt;
4074 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4075 break;
4076 case DT_PLTRELSZ:
4077 s = htab->elf.srelplt;
4078 dyn.d_un.d_val = s->size;
4079 break;
4080 default:
4081 continue;
4082 }
4083
4084 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4085 }
4086 return TRUE;
4087}
4088
4089bfd_boolean
4090tilegx_elf_finish_dynamic_sections (bfd *output_bfd,
4091 struct bfd_link_info *info)
4092{
4093 bfd *dynobj;
4094 asection *sdyn;
4095 struct tilegx_elf_link_hash_table *htab;
663b5850 4096 size_t pad_size;
aa137e4d
NC		 4097
4098 htab = tilegx_elf_hash_table (info);
4099 BFD_ASSERT (htab != NULL);
4100 dynobj = htab->elf.dynobj;
4101
3d4d4302 4102 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
aa137e4d
NC		 4103
4104 if (elf_hash_table (info)->dynamic_sections_created)
4105 {
4106 asection *splt;
4107 bfd_boolean ret;
4108
3d4d4302 4109 splt = htab->elf.splt;
aa137e4d
NC		 4110 BFD_ASSERT (splt != NULL && sdyn != NULL);
4111
4112 ret = tilegx_finish_dyn (output_bfd, info, dynobj, sdyn, splt);
4113
535b785f 4114 if (!ret)
aa137e4d
NC		 4115 return ret;
4116
4117 /* Fill in the head and tail entries in the procedure linkage table. */
4118 if (splt->size > 0)
4119 {
4120 memcpy (splt->contents,
4121 ABI_64_P (output_bfd) ?
4122 tilegx64_plt0_entry : tilegx32_plt0_entry,
4123 PLT_HEADER_SIZE);
4124
663b5850
WL		 4125 memcpy (splt->contents + splt->size
4126 - PLT_ENTRY_SIZE + PLT_HEADER_SIZE,
aa137e4d
NC		 4127 ABI_64_P (output_bfd) ?
4128 tilegx64_plt_tail_entry : tilegx32_plt_tail_entry,
4129 PLT_TAIL_SIZE);
663b5850
WL		 4130 /* Add padding so that the plt section is a multiple of its
4131 entry size. */
4132 pad_size = PLT_ENTRY_SIZE - PLT_HEADER_SIZE - PLT_TAIL_SIZE;
4133 memset (splt->contents + splt->size - pad_size, 0, pad_size);
aa137e4d 4134
4c7236d3
L		 4135 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4136 = PLT_ENTRY_SIZE;
4137 }
aa137e4d
NC		 4138 }
4139
4140 if (htab->elf.sgotplt)
4141 {
4142 if (bfd_is_abs_section (htab->elf.sgotplt->output_section))
4143 {
4eca0228 4144 _bfd_error_handler
871b3ab2 4145 (_("discarded output section: `%pA'"), htab->elf.sgotplt);
aa137e4d
NC		 4146 return FALSE;
4147 }
4148
4149 if (htab->elf.sgotplt->size > 0)
4150 {
4151 /* Write the first two entries in .got.plt, needed for the dynamic
4152 linker. */
4153 TILEGX_ELF_PUT_WORD (htab, output_bfd, (bfd_vma) -1,
4154 htab->elf.sgotplt->contents);
4155 TILEGX_ELF_PUT_WORD (htab, output_bfd, (bfd_vma) 0,
4156 htab->elf.sgotplt->contents
4157 + GOT_ENTRY_SIZE (htab));
aa137e4d 4158
4c7236d3
L		 4159 elf_section_data (htab->elf.sgotplt->output_section)->this_hdr.sh_entsize =
4160 GOT_ENTRY_SIZE (htab);
4161 }
aa137e4d
NC		 4162 }
4163
4164 if (htab->elf.sgot)
4165 {
4166 if (htab->elf.sgot->size > 0)
4167 {
4168 /* Set the first entry in the global offset table to the address of
4169 the dynamic section. */
4170 bfd_vma val = (sdyn ?
4171 sdyn->output_section->vma + sdyn->output_offset :
4172 0);
4173 TILEGX_ELF_PUT_WORD (htab, output_bfd, val,
4174 htab->elf.sgot->contents);
aa137e4d 4175
4c7236d3
L		 4176 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4177 GOT_ENTRY_SIZE (htab);
4178 }
aa137e4d
NC		 4179 }
4180
4181 return TRUE;
4182}
4183
4184\f
4185
4186/* Return address for Ith PLT stub in section PLT, for relocation REL
4187 or (bfd_vma) -1 if it should not be included. */
4188
4189bfd_vma
4190tilegx_elf_plt_sym_val (bfd_vma i, const asection *plt,
4191 const arelent *rel ATTRIBUTE_UNUSED)
4192{
4193 return plt->vma + PLT_HEADER_SIZE + i * PLT_ENTRY_SIZE;
4194}
4195
4196enum elf_reloc_type_class
7e612e98
AM		 4197tilegx_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
4198 const asection *rel_sec ATTRIBUTE_UNUSED,
4199 const Elf_Internal_Rela *rela)
aa137e4d
NC		 4200{
4201 switch ((int) TILEGX_ELF_R_TYPE (rela->r_info))
4202 {
4203 case R_TILEGX_RELATIVE:
4204 return reloc_class_relative;
4205 case R_TILEGX_JMP_SLOT:
4206 return reloc_class_plt;
4207 case R_TILEGX_COPY:
4208 return reloc_class_copy;
4209 default:
4210 return reloc_class_normal;
4211 }
4212}
4213
4214int
4215tilegx_additional_program_headers (bfd *abfd,
4216 struct bfd_link_info *info ATTRIBUTE_UNUSED)
4217{
4218 /* Each .intrpt section specified by the user adds another PT_LOAD
4219 header since the sections are discontiguous. */
4220 static const char intrpt_sections[4][9] =
4221 {
4222 ".intrpt0", ".intrpt1", ".intrpt2", ".intrpt3"
4223 };
4224 int count = 0;
4225 int i;
4226
4227 for (i = 0; i < 4; i++)
4228 {
4229 asection *sec = bfd_get_section_by_name (abfd, intrpt_sections[i]);
4230 if (sec != NULL && (sec->flags & SEC_LOAD) != 0)
4231 ++count;
4232 }
4233
4234 /* Add four "padding" headers in to leave room in case a custom linker
4235 script does something fancy. Otherwise ld complains that it ran
4236 out of program headers and refuses to link. */
4237 count += 4;
4238
4239 return count;
4240}
4241
4242
4243bfd_boolean
50e03d47 4244_bfd_tilegx_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
aa137e4d 4245{
50e03d47 4246 bfd *obfd = info->output_bfd;
aa137e4d
NC		 4247 const char *targ1 = bfd_get_target (ibfd);
4248 const char *targ2 = bfd_get_target (obfd);
4249
4250 if (strcmp (targ1, targ2) != 0)
4251 {
4eca0228 4252 _bfd_error_handler
695344c0 4253 /* xgettext:c-format */
38f14ab8 4254 (_("%pB: cannot link together %s and %s objects"),
aa137e4d
NC		 4255 ibfd, targ1, targ2);
4256 bfd_set_error (bfd_error_bad_value);
4257 return FALSE;
4258 }
4259
4260 return TRUE;
4261}
A mirror of the official binutils-gdb repository