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ELF: Copy dyn_relocs in _bfd_elf_link_hash_copy_indirect
[thirdparty/binutils-gdb.git] / bfd / elfxx-tilegx.c
CommitLineData
aa137e4d 1/* TILE-Gx-specific support for ELF.
b3adc24a 2 Copyright (C) 2011-2020 Free Software Foundation, Inc.
aa137e4d
NC		 3
4 This file is part of BFD, the Binary File Descriptor library.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
20
aa137e4d 21#include "sysdep.h"
691bf19c 22#include "bfd.h"
aa137e4d
NC		 23#include "libbfd.h"
24#include "elf-bfd.h"
25#include "elf/tilegx.h"
26#include "opcode/tilegx.h"
27#include "libiberty.h"
28#include "elfxx-tilegx.h"
29
30#define ABI_64_P(abfd) \
31 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
32
33#define TILEGX_ELF_WORD_BYTES(htab) \
34 ((htab)->bytes_per_word)
35
36/* The size of an external RELA relocation. */
37#define TILEGX_ELF_RELA_BYTES(htab) \
38 ((htab)->bytes_per_rela)
39
40/* Both 32-bit and 64-bit tilegx encode this in an identical manner,
41 so just take advantage of that. */
42#define TILEGX_ELF_R_TYPE(r_info) \
43 ((r_info) & 0xFF)
44
45#define TILEGX_ELF_R_INFO(htab, in_rel, index, type) \
46 ((htab)->r_info (in_rel, index, type))
47
48#define TILEGX_ELF_R_SYMNDX(htab, r_info) \
49 ((htab)->r_symndx(r_info))
50
51#define TILEGX_ELF_DTPOFF_RELOC(htab) \
52 ((htab)->dtpoff_reloc)
53
54#define TILEGX_ELF_DTPMOD_RELOC(htab) \
55 ((htab)->dtpmod_reloc)
56
57#define TILEGX_ELF_TPOFF_RELOC(htab) \
58 ((htab)->tpoff_reloc)
59
60#define TILEGX_ELF_PUT_WORD(htab, bfd, val, ptr) \
61 ((htab)->put_word (bfd, val, ptr))
62
63/* The name of the dynamic interpreter. This is put in the .interp
64 section. */
65
66#define ELF64_DYNAMIC_INTERPRETER "/lib/ld.so.1"
67#define ELF32_DYNAMIC_INTERPRETER "/lib32/ld.so.1"
68
69
70static reloc_howto_type tilegx_elf_howto_table [] =
71{
72 /* This reloc does nothing. */
73 HOWTO (R_TILEGX_NONE, /* type */
74 0, /* rightshift */
6346d5ca
AM		 75 3, /* size (0 = byte, 1 = short, 2 = long) */
76 0, /* bitsize */
aa137e4d
NC		 77 FALSE, /* pc_relative */
78 0, /* bitpos */
6346d5ca 79 complain_overflow_dont, /* complain_on_overflow */
aa137e4d
NC		 80 bfd_elf_generic_reloc, /* special_function */
81 "R_TILEGX_NONE", /* name */
82 FALSE, /* partial_inplace */
83 0, /* src_mask */
84 0, /* dst_mask */
85 FALSE), /* pcrel_offset */
86#ifdef BFD64
87 /* A 64 bit absolute relocation. */
88 HOWTO (R_TILEGX_64, /* type */
89 0, /* rightshift */
90 4, /* size (0 = byte, 1 = short, 2 = long) */
91 64, /* bitsize */
92 FALSE, /* pc_relative */
93 0, /* bitpos */
94 complain_overflow_dont, /* complain_on_overflow */
95 bfd_elf_generic_reloc, /* special_function */
96 "R_TILEGX_64", /* name */
97 FALSE, /* partial_inplace */
98 0, /* src_mask */
99 0xffffffffffffffffULL, /* dst_mask */
100 FALSE), /* pcrel_offset */
101#endif
102 /* A 32 bit absolute relocation. */
103 HOWTO (R_TILEGX_32, /* type */
104 0, /* rightshift */
105 2, /* size (0 = byte, 1 = short, 2 = long) */
106 32, /* bitsize */
107 FALSE, /* pc_relative */
108 0, /* bitpos */
109 complain_overflow_dont, /* complain_on_overflow */
110 bfd_elf_generic_reloc, /* special_function */
111 "R_TILEGX_32", /* name */
112 FALSE, /* partial_inplace */
113 0, /* src_mask */
114 0xffffffff, /* dst_mask */
115 FALSE), /* pcrel_offset */
116
117 /* A 16 bit absolute relocation. */
118 HOWTO (R_TILEGX_16, /* type */
119 0, /* rightshift */
120 1, /* size (0 = byte, 1 = short, 2 = long) */
121 16, /* bitsize */
122 FALSE, /* pc_relative */
123 0, /* bitpos */
124 complain_overflow_bitfield, /* complain_on_overflow */
125 bfd_elf_generic_reloc, /* special_function */
126 "R_TILEGX_16", /* name */
127 FALSE, /* partial_inplace */
128 0, /* src_mask */
129 0xffff, /* dst_mask */
130 FALSE), /* pcrel_offset */
131
132 /* An 8 bit absolute relocation. */
133 HOWTO (R_TILEGX_8, /* type */
134 0, /* rightshift */
135 0, /* size (0 = byte, 1 = short, 2 = long) */
136 8, /* bitsize */
137 FALSE, /* pc_relative */
138 0, /* bitpos */
139 complain_overflow_unsigned, /* complain_on_overflow */
140 bfd_elf_generic_reloc, /* special_function */
141 "R_TILEGX_8", /* name */
142 FALSE, /* partial_inplace */
143 0, /* src_mask */
144 0xff, /* dst_mask */
145 FALSE), /* pcrel_offset */
146#ifdef BFD64
147 /* A 64 bit pc-relative relocation. */
148 HOWTO (R_TILEGX_64_PCREL,/* type */
149 0, /* rightshift */
150 4, /* size (0 = byte, 1 = short, 2 = long) */
151 64, /* bitsize */
152 TRUE, /* pc_relative */
153 0, /* bitpos */
154 complain_overflow_dont, /* complain_on_overflow */
155 bfd_elf_generic_reloc, /* special_function */
156 "R_TILEGX_32_PCREL", /* name */
157 FALSE, /* partial_inplace */
158 0, /* src_mask */
159 0xffffffffffffffffULL, /* dst_mask */
160 TRUE), /* pcrel_offset */
161#endif
162 /* A 32 bit pc-relative relocation. */
163 HOWTO (R_TILEGX_32_PCREL,/* type */
164 0, /* rightshift */
165 2, /* size (0 = byte, 1 = short, 2 = long) */
166 32, /* bitsize */
167 TRUE, /* pc_relative */
168 0, /* bitpos */
169 complain_overflow_dont, /* complain_on_overflow */
170 bfd_elf_generic_reloc, /* special_function */
171 "R_TILEGX_32_PCREL", /* name */
172 FALSE, /* partial_inplace */
173 0, /* src_mask */
174 0xffffffff, /* dst_mask */
175 TRUE), /* pcrel_offset */
176
177 /* A 16 bit pc-relative relocation. */
178 HOWTO (R_TILEGX_16_PCREL,/* type */
179 0, /* rightshift */
180 1, /* size (0 = byte, 1 = short, 2 = long) */
181 16, /* bitsize */
182 TRUE, /* pc_relative */
183 0, /* bitpos */
184 complain_overflow_signed, /* complain_on_overflow */
185 bfd_elf_generic_reloc, /* special_function */
186 "R_TILEGX_16_PCREL", /* name */
187 FALSE, /* partial_inplace */
188 0, /* src_mask */
189 0xffff, /* dst_mask */
190 TRUE), /* pcrel_offset */
191
192 /* An 8 bit pc-relative relocation. */
193 HOWTO (R_TILEGX_8_PCREL, /* type */
194 0, /* rightshift */
195 0, /* size (0 = byte, 1 = short, 2 = long) */
196 8, /* bitsize */
197 TRUE, /* pc_relative */
198 0, /* bitpos */
199 complain_overflow_signed, /* complain_on_overflow */
200 bfd_elf_generic_reloc, /* special_function */
201 "R_TILEGX_8_PCREL",/* name */
202 FALSE, /* partial_inplace */
203 0, /* src_mask */
204 0xff, /* dst_mask */
205 TRUE), /* pcrel_offset */
206
207 /* A 16 bit relocation without overflow. */
208 HOWTO (R_TILEGX_HW0, /* type */
209 0, /* rightshift */
210 1, /* size (0 = byte, 1 = short, 2 = long) */
211 16, /* bitsize */
212 FALSE, /* pc_relative */
213 0, /* bitpos */
214 complain_overflow_dont,/* complain_on_overflow */
215 bfd_elf_generic_reloc, /* special_function */
216 "R_TILEGX_HW0", /* name */
217 FALSE, /* partial_inplace */
218 0, /* src_mask */
219 0xffff, /* dst_mask */
220 FALSE), /* pcrel_offset */
221
222 /* A 16 bit relocation without overflow. */
223 HOWTO (R_TILEGX_HW1, /* type */
224 16, /* rightshift */
225 1, /* size (0 = byte, 1 = short, 2 = long) */
226 16, /* bitsize */
227 FALSE, /* pc_relative */
228 0, /* bitpos */
229 complain_overflow_dont,/* complain_on_overflow */
230 bfd_elf_generic_reloc, /* special_function */
231 "R_TILEGX_HW1", /* name */
232 FALSE, /* partial_inplace */
233 0, /* src_mask */
234 0xffff, /* dst_mask */
235 FALSE), /* pcrel_offset */
236
237 /* A 16 bit relocation without overflow. */
238 HOWTO (R_TILEGX_HW2, /* type */
239 32, /* rightshift */
240 1, /* size (0 = byte, 1 = short, 2 = long) */
241 16, /* bitsize */
242 FALSE, /* pc_relative */
243 0, /* bitpos */
244 complain_overflow_dont,/* complain_on_overflow */
245 bfd_elf_generic_reloc, /* special_function */
246 "R_TILEGX_HW2", /* name */
247 FALSE, /* partial_inplace */
248 0, /* src_mask */
249 0xffff, /* dst_mask */
250 FALSE), /* pcrel_offset */
251
252 /* A 16 bit relocation without overflow. */
253 HOWTO (R_TILEGX_HW3, /* type */
254 48, /* rightshift */
255 1, /* size (0 = byte, 1 = short, 2 = long) */
256 16, /* bitsize */
257 FALSE, /* pc_relative */
258 0, /* bitpos */
259 complain_overflow_dont,/* complain_on_overflow */
260 bfd_elf_generic_reloc, /* special_function */
261 "R_TILEGX_HW3", /* name */
262 FALSE, /* partial_inplace */
263 0, /* src_mask */
264 0xffff, /* dst_mask */
265 FALSE), /* pcrel_offset */
266
267 /* A 16 bit relocation with overflow. */
268 HOWTO (R_TILEGX_HW0_LAST, /* type */
269 0, /* rightshift */
270 1, /* size (0 = byte, 1 = short, 2 = long) */
271 16, /* bitsize */
272 FALSE, /* pc_relative */
273 0, /* bitpos */
274 complain_overflow_signed,/* complain_on_overflow */
275 bfd_elf_generic_reloc, /* special_function */
276 "R_TILEGX_HW0_LAST", /* name */
277 FALSE, /* partial_inplace */
278 0, /* src_mask */
279 0xffff, /* dst_mask */
280 FALSE), /* pcrel_offset */
281
282 /* A 16 bit relocation with overflow. */
283 HOWTO (R_TILEGX_HW1_LAST, /* type */
284 16, /* rightshift */
285 1, /* size (0 = byte, 1 = short, 2 = long) */
286 16, /* bitsize */
287 FALSE, /* pc_relative */
288 0, /* bitpos */
289 complain_overflow_signed,/* complain_on_overflow */
290 bfd_elf_generic_reloc, /* special_function */
291 "R_TILEGX_HW1_LAST", /* name */
292 FALSE, /* partial_inplace */
293 0, /* src_mask */
294 0xffff, /* dst_mask */
295 FALSE), /* pcrel_offset */
296
297 /* A 16 bit relocation with overflow. */
298 HOWTO (R_TILEGX_HW2_LAST, /* type */
299 32, /* rightshift */
300 1, /* size (0 = byte, 1 = short, 2 = long) */
301 16, /* bitsize */
302 FALSE, /* pc_relative */
303 0, /* bitpos */
304 complain_overflow_signed,/* complain_on_overflow */
305 bfd_elf_generic_reloc, /* special_function */
306 "R_TILEGX_HW2_LAST", /* name */
307 FALSE, /* partial_inplace */
308 0, /* src_mask */
309 0xffff, /* dst_mask */
310 FALSE), /* pcrel_offset */
311
312 HOWTO (R_TILEGX_COPY, /* type */
313 0, /* rightshift */
314 0, /* size (0 = byte, 1 = short, 2 = long) */
315 0, /* bitsize */
316 FALSE, /* pc_relative */
317 0, /* bitpos */
318 complain_overflow_dont, /* complain_on_overflow */
319 bfd_elf_generic_reloc, /* special_function */
320 "R_TILEGX_COPY", /* name */
321 FALSE, /* partial_inplace */
322 0, /* src_mask */
323 0, /* dst_mask */
324 TRUE), /* pcrel_offset */
325
326 HOWTO (R_TILEGX_GLOB_DAT, /* type */
327 0, /* rightshift */
328 0, /* size (0 = byte, 1 = short, 2 = long) */
329 0, /* bitsize */
330 FALSE, /* pc_relative */
331 0, /* bitpos */
332 complain_overflow_dont, /* complain_on_overflow */
333 bfd_elf_generic_reloc, /* special_function */
334 "R_TILEGX_GLOB_DAT", /* name */
335 FALSE, /* partial_inplace */
336 0, /* src_mask */
337 0, /* dst_mask */
338 TRUE), /* pcrel_offset */
339
340 HOWTO (R_TILEGX_JMP_SLOT, /* type */
341 0, /* rightshift */
342 0, /* size (0 = byte, 1 = short, 2 = long) */
343 0, /* bitsize */
344 FALSE, /* pc_relative */
345 0, /* bitpos */
346 complain_overflow_dont, /* complain_on_overflow */
347 bfd_elf_generic_reloc, /* special_function */
348 "R_TILEGX_JMP_SLOT", /* name */
349 FALSE, /* partial_inplace */
350 0, /* src_mask */
351 0, /* dst_mask */
352 TRUE), /* pcrel_offset */
353
354 HOWTO (R_TILEGX_RELATIVE, /* type */
355 0, /* rightshift */
356 0, /* size (0 = byte, 1 = short, 2 = long) */
357 0, /* bitsize */
358 FALSE, /* pc_relative */
359 0, /* bitpos */
360 complain_overflow_dont, /* complain_on_overflow */
361 bfd_elf_generic_reloc, /* special_function */
362 "R_TILEGX_RELATIVE", /* name */
363 FALSE, /* partial_inplace */
364 0, /* src_mask */
365 0, /* dst_mask */
366 TRUE), /* pcrel_offset */
367
368 HOWTO (R_TILEGX_BROFF_X1, /* type */
369 TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
370 2, /* size (0 = byte, 1 = short, 2 = long) */
371 17, /* bitsize */
372 TRUE, /* pc_relative */
373 0, /* bitpos */
374 complain_overflow_signed, /* complain_on_overflow */
375 bfd_elf_generic_reloc, /* special_function */
376 "R_TILEGX_BROFF_X1", /* name */
377 FALSE, /* partial_inplace */
378 0, /* src_mask */
379 -1, /* dst_mask */
380 TRUE), /* pcrel_offset */
381
382 HOWTO (R_TILEGX_JUMPOFF_X1, /* type */
383 TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
384 2, /* size (0 = byte, 1 = short, 2 = long) */
385 27, /* bitsize */
386 TRUE, /* pc_relative */
387 0, /* bitpos */
388 complain_overflow_signed,/* complain_on_overflow */
389 bfd_elf_generic_reloc, /* special_function */
390 "R_TILEGX_JUMPOFF_X1", /* name */
391 FALSE, /* partial_inplace */
392 0, /* src_mask */
393 -1, /* dst_mask */
07d6d2b8 394 TRUE), /* pcrel_offset */
aa137e4d
NC		 395
396 HOWTO (R_TILEGX_JUMPOFF_X1_PLT, /* type */
397 TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
398 2, /* size (0 = byte, 1 = short, 2 = long) */
399 27, /* bitsize */
400 TRUE, /* pc_relative */
401 0, /* bitpos */
402 complain_overflow_signed,/* complain_on_overflow */
403 bfd_elf_generic_reloc, /* special_function */
404 "R_TILEGX_JUMPOFF_X1_PLT", /* name */
405 FALSE, /* partial_inplace */
406 0, /* src_mask */
407 -1, /* dst_mask */
07d6d2b8 408 TRUE), /* pcrel_offset */
aa137e4d
NC		 409
410#define TILEGX_IMM_HOWTO(name, size, bitsize) \
411 HOWTO (name, 0, size, bitsize, FALSE, 0, \
07d6d2b8
AM		 412 complain_overflow_signed, bfd_elf_generic_reloc, \
413 #name, FALSE, 0, -1, FALSE)
aa137e4d
NC		 414
415#define TILEGX_UIMM_HOWTO(name, size, bitsize) \
416 HOWTO (name, 0, size, bitsize, FALSE, 0, \
07d6d2b8
AM		 417 complain_overflow_unsigned, bfd_elf_generic_reloc, \
418 #name, FALSE, 0, -1, FALSE)
aa137e4d
NC		 419
420 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X0, 0, 8),
421 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y0, 0, 8),
422 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X1, 0, 8),
423 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y1, 0, 8),
424 TILEGX_IMM_HOWTO(R_TILEGX_DEST_IMM8_X1, 0, 8),
425
426 TILEGX_UIMM_HOWTO(R_TILEGX_MT_IMM14_X1, 1, 14),
427 TILEGX_UIMM_HOWTO(R_TILEGX_MF_IMM14_X1, 1, 14),
428
429 TILEGX_UIMM_HOWTO(R_TILEGX_MMSTART_X0, 0, 6),
430 TILEGX_UIMM_HOWTO(R_TILEGX_MMEND_X0, 0, 6),
431
432 TILEGX_UIMM_HOWTO(R_TILEGX_SHAMT_X0, 0, 6),
433 TILEGX_UIMM_HOWTO(R_TILEGX_SHAMT_X1, 0, 6),
434 TILEGX_UIMM_HOWTO(R_TILEGX_SHAMT_Y0, 0, 6),
435 TILEGX_UIMM_HOWTO(R_TILEGX_SHAMT_Y1, 0, 6),
436
437#define TILEGX_IMM16_HOWTO(name, rshift) \
438 HOWTO (name, rshift, 1, 16, FALSE, 0, \
07d6d2b8
AM		 439 complain_overflow_dont, bfd_elf_generic_reloc, \
440 #name, FALSE, 0, 0xffff, FALSE)
aa137e4d
NC		 441
442 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0, 0),
443 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0, 0),
444 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW1, 16),
445 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW1, 16),
446 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW2, 32),
447 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW2, 32),
448 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW3, 48),
449 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW3, 48),
450
451#define TILEGX_IMM16_HOWTO_LAST(name, rshift) \
452 HOWTO (name, rshift, 1, 16, FALSE, 0, \
07d6d2b8
AM		 453 complain_overflow_signed, bfd_elf_generic_reloc, \
454 #name, FALSE, 0, 0xffff, FALSE)
aa137e4d
NC		 455
456 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST, 0),
457 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST, 0),
458 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST, 16),
459 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST, 16),
460 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW2_LAST, 32),
461 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW2_LAST, 32),
462
463 /* PC-relative offsets. */
464
465#define TILEGX_IMM16_HOWTO_PCREL(name, rshift) \
466 HOWTO (name, rshift, 1, 16, TRUE, 0, \
07d6d2b8
AM		 467 complain_overflow_dont, bfd_elf_generic_reloc, \
468 #name, FALSE, 0, 0xffff, TRUE)
aa137e4d
NC		 469
470 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW0_PCREL, 0),
471 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW0_PCREL, 0),
472 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW1_PCREL, 16),
473 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW1_PCREL, 16),
474 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW2_PCREL, 32),
475 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW2_PCREL, 32),
476 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW3_PCREL, 48),
477 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW3_PCREL, 48),
478
479#define TILEGX_IMM16_HOWTO_LAST_PCREL(name, rshift) \
480 HOWTO (name, rshift, 1, 16, TRUE, 0, \
07d6d2b8
AM		 481 complain_overflow_signed, bfd_elf_generic_reloc, \
482 #name, FALSE, 0, 0xffff, TRUE)
aa137e4d
NC		 483
484 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW0_LAST_PCREL, 0),
485 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW0_LAST_PCREL, 0),
486 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW1_LAST_PCREL, 16),
487 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW1_LAST_PCREL, 16),
488 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW2_LAST_PCREL, 32),
489 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW2_LAST_PCREL, 32),
490
491 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_GOT, 0),
492 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_GOT, 0),
e5b95258
WL		 493
494 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW0_PLT_PCREL, 0),
495 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW0_PLT_PCREL, 0),
496 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW1_PLT_PCREL, 16),
497 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW1_PLT_PCREL, 16),
498 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW2_PLT_PCREL, 32),
499 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW2_PLT_PCREL, 32),
aa137e4d
NC		 500
501 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST_GOT, 0),
502 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST_GOT, 0),
503 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST_GOT, 16),
504 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST_GOT, 16),
e5b95258
WL		 505
506 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X0_HW3_PLT_PCREL, 48),
507 TILEGX_IMM16_HOWTO_PCREL (R_TILEGX_IMM16_X1_HW3_PLT_PCREL, 48),
aa137e4d
NC		 508
509 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_TLS_GD, 0),
510 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_TLS_GD, 0),
6f7be959
WL		 511
512 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X0_HW0_TLS_LE, 0),
513 TILEGX_IMM16_HOWTO (R_TILEGX_IMM16_X1_HW0_TLS_LE, 0),
514 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE, 0),
515 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE, 0),
516 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE, 16),
517 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE, 16),
aa137e4d
NC		 518
519 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD, 0),
520 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD, 0),
521 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD, 16),
522 TILEGX_IMM16_HOWTO_LAST (R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD, 16),
6f7be959
WL		 523 EMPTY_HOWTO (90),
524 EMPTY_HOWTO (91),
aa137e4d
NC		 525
526#define TILEGX_IMM16_HOWTO_TLS_IE(name, rshift) \
527 HOWTO (name, rshift, 1, 16, FALSE, 0, \
07d6d2b8
AM		 528 complain_overflow_dont, bfd_elf_generic_reloc, \
529 #name, FALSE, 0, 0xffff, TRUE)
aa137e4d
NC		 530
531 TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X0_HW0_TLS_IE, 0),
532 TILEGX_IMM16_HOWTO_TLS_IE (R_TILEGX_IMM16_X1_HW0_TLS_IE, 0),
e5b95258
WL		 533
534 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL, 0),
535 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL, 0),
536 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL, 16),
537 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL, 16),
538 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL, 32),
539 TILEGX_IMM16_HOWTO_LAST_PCREL (R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL, 32),
aa137e4d
NC		 540
541#define TILEGX_IMM16_HOWTO_LAST_TLS_IE(name, rshift) \
542 HOWTO (name, rshift, 1, 16, FALSE, 0, \
07d6d2b8
AM		 543 complain_overflow_signed, bfd_elf_generic_reloc, \
544 #name, FALSE, 0, 0xffff, TRUE)
aa137e4d
NC		 545
546 TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE, 0),
547 TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE, 0),
548 TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE, 16),
549 TILEGX_IMM16_HOWTO_LAST_TLS_IE (R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE, 16),
6f7be959
WL		 550 EMPTY_HOWTO (104),
551 EMPTY_HOWTO (105),
aa137e4d
NC		 552
553 HOWTO(R_TILEGX_TLS_DTPMOD64, 0, 0, 0, FALSE, 0, complain_overflow_dont,
07d6d2b8
AM		 554 bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPMOD64",
555 FALSE, 0, 0, TRUE),
aa137e4d 556 HOWTO(R_TILEGX_TLS_DTPOFF64, 0, 4, 64, FALSE, 0, complain_overflow_bitfield,
07d6d2b8
AM		 557 bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPOFF64",
558 FALSE, 0, -1, TRUE),
aa137e4d 559 HOWTO(R_TILEGX_TLS_TPOFF64, 0, 0, 0, FALSE, 0, complain_overflow_dont,
07d6d2b8
AM		 560 bfd_elf_generic_reloc, "R_TILEGX_TLS_TPOFF64",
561 FALSE, 0, 0, TRUE),
aa137e4d
NC		 562
563 HOWTO(R_TILEGX_TLS_DTPMOD32, 0, 0, 0, FALSE, 0, complain_overflow_dont,
07d6d2b8
AM		 564 bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPMOD32",
565 FALSE, 0, 0, TRUE),
aa137e4d 566 HOWTO(R_TILEGX_TLS_DTPOFF32, 0, 4, 32, FALSE, 0, complain_overflow_bitfield,
07d6d2b8
AM		 567 bfd_elf_generic_reloc, "R_TILEGX_TLS_DTPOFF32",
568 FALSE, 0, -1, TRUE),
aa137e4d 569 HOWTO(R_TILEGX_TLS_TPOFF32, 0, 0, 0, FALSE, 0, complain_overflow_dont,
07d6d2b8
AM		 570 bfd_elf_generic_reloc, "R_TILEGX_TLS_TPOFF32",
571 FALSE, 0, 0, TRUE),
6f7be959
WL		 572
573 HOWTO (R_TILEGX_TLS_GD_CALL, /* type */
574 TILEGX_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
575 2, /* size (0 = byte, 1 = short, 2 = long) */
576 27, /* bitsize */
577 TRUE, /* pc_relative */
578 0, /* bitpos */
579 complain_overflow_signed,/* complain_on_overflow */
580 bfd_elf_generic_reloc, /* special_function */
581 "R_TILEGX_TLS_GD_CALL", /* name */
582 FALSE, /* partial_inplace */
583 0, /* src_mask */
584 -1, /* dst_mask */
07d6d2b8 585 TRUE), /* pcrel_offset */
6f7be959
WL		 586
587 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X0_TLS_GD_ADD, 0, 8),
588 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X1_TLS_GD_ADD, 0, 8),
589 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y0_TLS_GD_ADD, 0, 8),
590 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y1_TLS_GD_ADD, 0, 8),
591 TILEGX_IMM_HOWTO(R_TILEGX_TLS_IE_LOAD, 0, 8),
592 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X0_TLS_ADD, 0, 8),
593 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_X1_TLS_ADD, 0, 8),
594 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y0_TLS_ADD, 0, 8),
595 TILEGX_IMM_HOWTO(R_TILEGX_IMM8_Y1_TLS_ADD, 0, 8),
aa137e4d
NC		 596};
597
598static reloc_howto_type tilegx_elf_howto_table2 [] =
599{
600 /* GNU extension to record C++ vtable hierarchy */
601 HOWTO (R_TILEGX_GNU_VTINHERIT, /* type */
07d6d2b8
AM		 602 0, /* rightshift */
603 4, /* size (0 = byte, 1 = short, 2 = long) */
604 0, /* bitsize */
605 FALSE, /* pc_relative */
606 0, /* bitpos */
607 complain_overflow_dont, /* complain_on_overflow */
608 NULL, /* special_function */
609 "R_TILEGX_GNU_VTINHERIT", /* name */
610 FALSE, /* partial_inplace */
611 0, /* src_mask */
612 0, /* dst_mask */
613 FALSE), /* pcrel_offset */
aa137e4d
NC		 614
615 /* GNU extension to record C++ vtable member usage */
07d6d2b8
AM		 616 HOWTO (R_TILEGX_GNU_VTENTRY, /* type */
617 0, /* rightshift */
618 4, /* size (0 = byte, 1 = short, 2 = long) */
619 0, /* bitsize */
620 FALSE, /* pc_relative */
621 0, /* bitpos */
622 complain_overflow_dont, /* complain_on_overflow */
623 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
624 "R_TILEGX_GNU_VTENTRY", /* name */
625 FALSE, /* partial_inplace */
626 0, /* src_mask */
627 0, /* dst_mask */
628 FALSE), /* pcrel_offset */
aa137e4d
NC		 629
630};
631\f
632/* Map BFD reloc types to TILEGX ELF reloc types. */
633
634typedef struct tilegx_reloc_map
635{
636 bfd_reloc_code_real_type bfd_reloc_val;
07d6d2b8
AM		 637 unsigned int tilegx_reloc_val;
638 reloc_howto_type * table;
aa137e4d
NC		 639} reloc_map;
640
641static const reloc_map tilegx_reloc_map [] =
642{
643#define TH_REMAP(bfd, tilegx) \
644 { bfd, tilegx, tilegx_elf_howto_table },
645
646 /* Standard relocations. */
07d6d2b8
AM		 647 TH_REMAP (BFD_RELOC_NONE, R_TILEGX_NONE)
648 TH_REMAP (BFD_RELOC_64, R_TILEGX_64)
649 TH_REMAP (BFD_RELOC_32, R_TILEGX_32)
650 TH_REMAP (BFD_RELOC_16, R_TILEGX_16)
651 TH_REMAP (BFD_RELOC_8, R_TILEGX_8)
652 TH_REMAP (BFD_RELOC_64_PCREL, R_TILEGX_64_PCREL)
653 TH_REMAP (BFD_RELOC_32_PCREL, R_TILEGX_32_PCREL)
654 TH_REMAP (BFD_RELOC_16_PCREL, R_TILEGX_16_PCREL)
655 TH_REMAP (BFD_RELOC_8_PCREL, R_TILEGX_8_PCREL)
aa137e4d
NC		 656
657#define SIMPLE_REMAP(t) TH_REMAP (BFD_RELOC_##t, R_##t)
658
659 /* Custom relocations. */
660 SIMPLE_REMAP (TILEGX_HW0)
661 SIMPLE_REMAP (TILEGX_HW1)
662 SIMPLE_REMAP (TILEGX_HW2)
663 SIMPLE_REMAP (TILEGX_HW3)
664 SIMPLE_REMAP (TILEGX_HW0_LAST)
665 SIMPLE_REMAP (TILEGX_HW1_LAST)
666 SIMPLE_REMAP (TILEGX_HW2_LAST)
667 SIMPLE_REMAP (TILEGX_COPY)
668 SIMPLE_REMAP (TILEGX_GLOB_DAT)
669 SIMPLE_REMAP (TILEGX_JMP_SLOT)
670 SIMPLE_REMAP (TILEGX_RELATIVE)
671 SIMPLE_REMAP (TILEGX_BROFF_X1)
672 SIMPLE_REMAP (TILEGX_JUMPOFF_X1)
673 SIMPLE_REMAP (TILEGX_JUMPOFF_X1_PLT)
674 SIMPLE_REMAP (TILEGX_IMM8_X0)
675 SIMPLE_REMAP (TILEGX_IMM8_Y0)
676 SIMPLE_REMAP (TILEGX_IMM8_X1)
677 SIMPLE_REMAP (TILEGX_IMM8_Y1)
678 SIMPLE_REMAP (TILEGX_DEST_IMM8_X1)
679 SIMPLE_REMAP (TILEGX_MT_IMM14_X1)
680 SIMPLE_REMAP (TILEGX_MF_IMM14_X1)
681 SIMPLE_REMAP (TILEGX_MMSTART_X0)
682 SIMPLE_REMAP (TILEGX_MMEND_X0)
683 SIMPLE_REMAP (TILEGX_SHAMT_X0)
684 SIMPLE_REMAP (TILEGX_SHAMT_X1)
685 SIMPLE_REMAP (TILEGX_SHAMT_Y0)
686 SIMPLE_REMAP (TILEGX_SHAMT_Y1)
687 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0)
688 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0)
689 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1)
690 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1)
691 SIMPLE_REMAP (TILEGX_IMM16_X0_HW2)
692 SIMPLE_REMAP (TILEGX_IMM16_X1_HW2)
693 SIMPLE_REMAP (TILEGX_IMM16_X0_HW3)
694 SIMPLE_REMAP (TILEGX_IMM16_X1_HW3)
695 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST)
696 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST)
697 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST)
698 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST)
699 SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST)
700 SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST)
701 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_PCREL)
702 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_PCREL)
703 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_PCREL)
704 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_PCREL)
705 SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_PCREL)
706 SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_PCREL)
707 SIMPLE_REMAP (TILEGX_IMM16_X0_HW3_PCREL)
708 SIMPLE_REMAP (TILEGX_IMM16_X1_HW3_PCREL)
709 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_PCREL)
710 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_PCREL)
711 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_PCREL)
712 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_PCREL)
713 SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST_PCREL)
714 SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST_PCREL)
715 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_GOT)
716 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_GOT)
e5b95258
WL		 717 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_PLT_PCREL)
718 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_PLT_PCREL)
719 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_PLT_PCREL)
720 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_PLT_PCREL)
721 SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_PLT_PCREL)
722 SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_PLT_PCREL)
aa137e4d
NC		 723 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_GOT)
724 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_GOT)
725 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_GOT)
726 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_GOT)
e5b95258
WL		 727 SIMPLE_REMAP (TILEGX_IMM16_X0_HW3_PLT_PCREL)
728 SIMPLE_REMAP (TILEGX_IMM16_X1_HW3_PLT_PCREL)
aa137e4d
NC		 729 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_GD)
730 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_GD)
6f7be959
WL		 731 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_LE)
732 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_LE)
733 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_TLS_LE)
734 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_TLS_LE)
735 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_TLS_LE)
736 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_TLS_LE)
aa137e4d
NC		 737 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_TLS_GD)
738 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_TLS_GD)
739 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_TLS_GD)
740 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_TLS_GD)
aa137e4d
NC		 741 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_TLS_IE)
742 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_TLS_IE)
e5b95258
WL		 743 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL)
744 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL)
745 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL)
746 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL)
747 SIMPLE_REMAP (TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL)
748 SIMPLE_REMAP (TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL)
aa137e4d
NC		 749 SIMPLE_REMAP (TILEGX_IMM16_X0_HW0_LAST_TLS_IE)
750 SIMPLE_REMAP (TILEGX_IMM16_X1_HW0_LAST_TLS_IE)
751 SIMPLE_REMAP (TILEGX_IMM16_X0_HW1_LAST_TLS_IE)
752 SIMPLE_REMAP (TILEGX_IMM16_X1_HW1_LAST_TLS_IE)
aa137e4d
NC		 753
754 SIMPLE_REMAP (TILEGX_TLS_DTPMOD64)
755 SIMPLE_REMAP (TILEGX_TLS_DTPOFF64)
756 SIMPLE_REMAP (TILEGX_TLS_TPOFF64)
757
758 SIMPLE_REMAP (TILEGX_TLS_DTPMOD32)
759 SIMPLE_REMAP (TILEGX_TLS_DTPOFF32)
760 SIMPLE_REMAP (TILEGX_TLS_TPOFF32)
761
6f7be959
WL		 762 SIMPLE_REMAP (TILEGX_TLS_GD_CALL)
763 SIMPLE_REMAP (TILEGX_IMM8_X0_TLS_GD_ADD)
764 SIMPLE_REMAP (TILEGX_IMM8_X1_TLS_GD_ADD)
765 SIMPLE_REMAP (TILEGX_IMM8_Y0_TLS_GD_ADD)
766 SIMPLE_REMAP (TILEGX_IMM8_Y1_TLS_GD_ADD)
767 SIMPLE_REMAP (TILEGX_TLS_IE_LOAD)
768 SIMPLE_REMAP (TILEGX_IMM8_X0_TLS_ADD)
769 SIMPLE_REMAP (TILEGX_IMM8_X1_TLS_ADD)
770 SIMPLE_REMAP (TILEGX_IMM8_Y0_TLS_ADD)
771 SIMPLE_REMAP (TILEGX_IMM8_Y1_TLS_ADD)
772
aa137e4d
NC		 773#undef SIMPLE_REMAP
774#undef TH_REMAP
775
07d6d2b8
AM		 776 { BFD_RELOC_VTABLE_INHERIT, R_TILEGX_GNU_VTINHERIT, tilegx_elf_howto_table2 },
777 { BFD_RELOC_VTABLE_ENTRY, R_TILEGX_GNU_VTENTRY, tilegx_elf_howto_table2 },
aa137e4d
NC		 778};
779
780
781
aa137e4d
NC		 782/* TILEGX ELF linker hash entry. */
783
784struct tilegx_elf_link_hash_entry
785{
786 struct elf_link_hash_entry elf;
787
aa137e4d
NC		 788#define GOT_UNKNOWN 0
789#define GOT_NORMAL 1
790#define GOT_TLS_GD 2
791#define GOT_TLS_IE 4
792 unsigned char tls_type;
793};
794
795#define tilegx_elf_hash_entry(ent) \
796 ((struct tilegx_elf_link_hash_entry *)(ent))
797
798struct _bfd_tilegx_elf_obj_tdata
799{
800 struct elf_obj_tdata root;
801
802 /* tls_type for each local got entry. */
803 char *local_got_tls_type;
804};
805
806#define _bfd_tilegx_elf_tdata(abfd) \
807 ((struct _bfd_tilegx_elf_obj_tdata *) (abfd)->tdata.any)
808
809#define _bfd_tilegx_elf_local_got_tls_type(abfd) \
810 (_bfd_tilegx_elf_tdata (abfd)->local_got_tls_type)
811
812#define is_tilegx_elf(bfd) \
813 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
814 && elf_tdata (bfd) != NULL \
815 && elf_object_id (bfd) == TILEGX_ELF_DATA)
816
817#include "elf/common.h"
818#include "elf/internal.h"
819
820struct tilegx_elf_link_hash_table
821{
822 struct elf_link_hash_table elf;
823
824 int bytes_per_word;
825 int word_align_power;
826 int bytes_per_rela;
827 int dtpmod_reloc;
828 int dtpoff_reloc;
829 int tpoff_reloc;
830 bfd_vma (*r_info) (Elf_Internal_Rela *, bfd_vma, bfd_vma);
831 bfd_vma (*r_symndx) (bfd_vma);
832 void (*put_word) (bfd *, bfd_vma, void *);
833 const char *dynamic_interpreter;
834
6f7be959
WL		 835 /* Whether LE transition has been disabled for some of the
836 sections. */
837 bfd_boolean disable_le_transition;
838
aa137e4d
NC		 839 /* Small local sym to section mapping cache. */
840 struct sym_cache sym_cache;
841};
842
843
844/* Get the Tile ELF linker hash table from a link_info structure. */
845#define tilegx_elf_hash_table(p) \
846 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
847 == TILEGX_ELF_DATA ? ((struct tilegx_elf_link_hash_table *) ((p)->hash)) : NULL)
848
849#ifdef BFD64
850static bfd_vma
851tilegx_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
852 bfd_vma rel_index,
853 bfd_vma type)
854{
855 return ELF64_R_INFO (rel_index, type);
856}
857
858static bfd_vma
859tilegx_elf_r_symndx_64 (bfd_vma r_info)
860{
861 return ELF64_R_SYM (r_info);
862}
863
864static void
865tilegx_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
866{
867 bfd_put_64 (abfd, val, ptr);
868}
869#endif /* BFD64 */
870
871static bfd_vma
872tilegx_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
873 bfd_vma rel_index,
874 bfd_vma type)
875{
876 return ELF32_R_INFO (rel_index, type);
877}
878
879static bfd_vma
880tilegx_elf_r_symndx_32 (bfd_vma r_info)
881{
882 return ELF32_R_SYM (r_info);
883}
884
885static void
886tilegx_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
887{
888 bfd_put_32 (abfd, val, ptr);
889}
890
891reloc_howto_type *
f3185997 892tilegx_reloc_type_lookup (bfd * abfd,
aa137e4d
NC		 893 bfd_reloc_code_real_type code)
894{
895 unsigned int i;
896
0ba38529 897 for (i = ARRAY_SIZE (tilegx_reloc_map); i--;)
aa137e4d
NC		 898 {
899 const reloc_map * entry;
900
901 entry = tilegx_reloc_map + i;
902
903 if (entry->bfd_reloc_val == code)
904 return entry->table + (entry->tilegx_reloc_val
905 - entry->table[0].type);
906 }
907
f3185997 908 /* xgettext:c-format */
e8f5af78 909 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
f3185997
NC		 910 abfd, (int) code);
911 bfd_set_error (bfd_error_bad_value);
aa137e4d
NC		 912 return NULL;
913}
914
915reloc_howto_type *
916tilegx_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
917 const char *r_name)
918{
919 unsigned int i;
920
921 for (i = 0;
922 i < (sizeof (tilegx_elf_howto_table)
07d6d2b8 923 / sizeof (tilegx_elf_howto_table[0]));
aa137e4d
NC		 924 i++)
925 if (tilegx_elf_howto_table[i].name != NULL
07d6d2b8 926 && strcasecmp (tilegx_elf_howto_table[i].name, r_name) == 0)
aa137e4d
NC		 927 return &tilegx_elf_howto_table[i];
928
929 return NULL;
930}
931
f3185997 932bfd_boolean
aa137e4d
NC		 933tilegx_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED,
934 arelent *cache_ptr,
935 Elf_Internal_Rela *dst)
936{
937 unsigned int r_type = TILEGX_ELF_R_TYPE (dst->r_info);
938
6f7be959 939 if (r_type <= (unsigned int) R_TILEGX_IMM8_Y1_TLS_ADD)
aa137e4d
NC		 940 cache_ptr->howto = &tilegx_elf_howto_table [r_type];
941 else if (r_type - R_TILEGX_GNU_VTINHERIT
f3185997
NC		 942 <= ((unsigned int) R_TILEGX_GNU_VTENTRY
943 - (unsigned int) R_TILEGX_GNU_VTINHERIT))
aa137e4d
NC		 944 cache_ptr->howto
945 = &tilegx_elf_howto_table2 [r_type - R_TILEGX_GNU_VTINHERIT];
946 else
f3185997
NC		 947 {
948 /* xgettext:c-format */
949 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
950 abfd, r_type);
951 bfd_set_error (bfd_error_bad_value);
952 return FALSE;
953 }
954 return TRUE;
aa137e4d
NC		 955}
956
957typedef tilegx_bundle_bits (*tilegx_create_func)(int);
958
959static const tilegx_create_func reloc_to_create_func[] =
960{
961 /* The first twenty relocation types don't correspond to operands */
962 NULL,
963 NULL,
964 NULL,
965 NULL,
966 NULL,
967 NULL,
968 NULL,
969 NULL,
970 NULL,
971 NULL,
972 NULL,
973 NULL,
974 NULL,
975 NULL,
976 NULL,
977 NULL,
978 NULL,
979 NULL,
980 NULL,
981 NULL,
982
983 /* The remaining relocations are used for immediate operands */
984 create_BrOff_X1,
985 create_JumpOff_X1,
986 create_JumpOff_X1,
987 create_Imm8_X0,
988 create_Imm8_Y0,
989 create_Imm8_X1,
990 create_Imm8_Y1,
991 create_Dest_Imm8_X1,
992 create_MT_Imm14_X1,
993 create_MF_Imm14_X1,
994 create_BFStart_X0,
995 create_BFEnd_X0,
996 create_ShAmt_X0,
997 create_ShAmt_X1,
998 create_ShAmt_Y0,
999 create_ShAmt_Y1,
1000 create_Imm16_X0,
1001 create_Imm16_X1,
1002 create_Imm16_X0,
1003 create_Imm16_X1,
1004 create_Imm16_X0,
1005 create_Imm16_X1,
1006 create_Imm16_X0,
1007 create_Imm16_X1,
1008 create_Imm16_X0,
1009 create_Imm16_X1,
1010 create_Imm16_X0,
1011 create_Imm16_X1,
1012 create_Imm16_X0,
1013 create_Imm16_X1,
1014 create_Imm16_X0,
1015 create_Imm16_X1,
1016 create_Imm16_X0,
1017 create_Imm16_X1,
1018 create_Imm16_X0,
1019 create_Imm16_X1,
1020 create_Imm16_X0,
1021 create_Imm16_X1,
1022 create_Imm16_X0,
1023 create_Imm16_X1,
1024 create_Imm16_X0,
1025 create_Imm16_X1,
1026 create_Imm16_X0,
1027 create_Imm16_X1,
1028 create_Imm16_X0,
1029 create_Imm16_X1,
1030 create_Imm16_X0,
1031 create_Imm16_X1,
1032 create_Imm16_X0,
1033 create_Imm16_X1,
1034 create_Imm16_X0,
1035 create_Imm16_X1,
1036 create_Imm16_X0,
1037 create_Imm16_X1,
1038 create_Imm16_X0,
1039 create_Imm16_X1,
1040 create_Imm16_X0,
1041 create_Imm16_X1,
1042 create_Imm16_X0,
1043 create_Imm16_X1,
1044 create_Imm16_X0,
1045 create_Imm16_X1,
e5b95258
WL		 1046 create_Imm16_X0,
1047 create_Imm16_X1,
1048 create_Imm16_X0,
1049 create_Imm16_X1,
1050 create_Imm16_X0,
1051 create_Imm16_X1,
aa137e4d
NC		 1052 create_Imm16_X0,
1053 create_Imm16_X1,
6f7be959
WL		 1054 NULL,
1055 NULL,
e5b95258
WL		 1056 create_Imm16_X0,
1057 create_Imm16_X1,
1058 create_Imm16_X0,
1059 create_Imm16_X1,
1060 create_Imm16_X0,
1061 create_Imm16_X1,
1062 create_Imm16_X0,
1063 create_Imm16_X1,
aa137e4d
NC		 1064 create_Imm16_X0,
1065 create_Imm16_X1,
1066 create_Imm16_X0,
1067 create_Imm16_X1,
aa137e4d
NC		 1068};
1069
1070static void
1071tilegx_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
1072{
1073 const struct elf_backend_data *bed;
1074 bfd_byte *loc;
1075
1076 bed = get_elf_backend_data (abfd);
1077 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
1078 bed->s->swap_reloca_out (abfd, rel, loc);
1079}
1080
1081/* PLT/GOT stuff */
1082
1083/* The procedure linkage table starts with the following header:
1084
07d6d2b8
AM		 1085 ld_add r28, r27, 8
1086 ld r27, r27
aa137e4d 1087 {
07d6d2b8
AM		 1088 jr r27
1089 info 10 ## SP not offset, return PC in LR
aa137e4d
NC		 1090 }
1091
1092 Subsequent entries are the following, jumping to the header at the end:
1093
1094 {
07d6d2b8
AM		 1095 moveli r28, <_GLOBAL_OFFSET_TABLE_ - 1f + MY_GOT_OFFSET>
1096 lnk r26
aa137e4d
NC		 1097 }
10981:
1099 {
07d6d2b8
AM		 1100 moveli r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
1101 shl16insli r28, r28, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET>
aa137e4d
NC		 1102 }
1103 {
07d6d2b8
AM		 1104 add r28, r26, r28
1105 shl16insli r27, r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
aa137e4d
NC		 1106 }
1107 {
07d6d2b8
AM		 1108 add r27, r26, r27
1109 ld r28, r28
1110 info 10 ## SP not offset, return PC in LR
aa137e4d
NC		 1111 }
1112 {
07d6d2b8
AM		 1113 shl16insli r29, zero, MY_PLT_INDEX
1114 jr r28
aa137e4d
NC		 1115 }
1116
1117 This code sequence lets the code at at the start of the PLT determine
1118 which PLT entry was executed by examining 'r29'.
1119
1120 Note that MY_PLT_INDEX skips over the header entries, so the first
1121 actual jump table entry has index zero.
1122
1123 If the offset fits in 16 bits,
1124
07d6d2b8 1125 lnk r26
aa137e4d
NC		 11261:
1127 {
07d6d2b8
AM		 1128 addli r28, r26, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET>
1129 moveli r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
aa137e4d
NC		 1130 }
1131 {
07d6d2b8
AM		 1132 shl16insli r29, zero, MY_PLT_INDEX
1133 ld r28, r28
aa137e4d
NC		 1134 }
1135 {
07d6d2b8
AM		 1136 add r27, r26, r27
1137 jr r28
aa137e4d 1138 }
07d6d2b8 1139 info 10 ## SP not offset, return PC in LR
aa137e4d
NC		 1140
1141 For the purpose of backtracing, the procedure linkage table ends with the
1142 following tail entry:
1143
07d6d2b8 1144 info 10 ## SP not offset, return PC in LR
aa137e4d
NC		 1145
1146 The 32-bit versions are similar, with ld4s replacing ld, and offsets into
1147 the GOT being multiples of 4 instead of 8.
1148
1149*/
1150
1151#define PLT_HEADER_SIZE_IN_BUNDLES 3
1152#define PLT_ENTRY_SIZE_IN_BUNDLES 5
1153#define PLT_TAIL_SIZE_IN_BUNDLES 1
1154
1155#define PLT_HEADER_SIZE \
1156 (PLT_HEADER_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
1157#define PLT_ENTRY_SIZE \
1158 (PLT_ENTRY_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
1159#define PLT_TAIL_SIZE \
1160 (PLT_TAIL_SIZE_IN_BUNDLES * TILEGX_BUNDLE_SIZE_IN_BYTES)
1161
1162#define GOT_ENTRY_SIZE(htab) TILEGX_ELF_WORD_BYTES (htab)
1163
1164#define GOTPLT_HEADER_SIZE(htab) (2 * GOT_ENTRY_SIZE (htab))
1165
1166static const bfd_byte
1167tilegx64_plt0_entry[PLT_HEADER_SIZE] =
1168{
1169 0x00, 0x30, 0x48, 0x51,
1170 0x6e, 0x43, 0xa0, 0x18, /* { ld_add r28, r27, 8 } */
1171 0x00, 0x30, 0xbc, 0x35,
1172 0x00, 0x40, 0xde, 0x9e, /* { ld r27, r27 } */
1173 0xff, 0xaf, 0x30, 0x40,
1174 0x60, 0x73, 0x6a, 0x28, /* { info 10 ; jr r27 } */
1175};
1176
1177static const bfd_byte
1178tilegx64_long_plt_entry[PLT_ENTRY_SIZE] =
1179{
1180 0xdc, 0x0f, 0x00, 0x10,
1181 0x0d, 0xf0, 0x6a, 0x28, /* { moveli r28, 0 ; lnk r26 } */
1182 0xdb, 0x0f, 0x00, 0x10,
1183 0x8e, 0x03, 0x00, 0x38, /* { moveli r27, 0 ; shl16insli r28, r28, 0 } */
1184 0x9c, 0xc6, 0x0d, 0xd0,
1185 0x6d, 0x03, 0x00, 0x38, /* { add r28, r26, r28 ; shl16insli r27, r27, 0 } */
1186 0x9b, 0xb6, 0xc5, 0xad,
1187 0xff, 0x57, 0xe0, 0x8e, /* { add r27, r26, r27 ; info 10 ; ld r28, r28 } */
1188 0xdd, 0x0f, 0x00, 0x70,
1189 0x80, 0x73, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; jr r28 } */
1190};
1191
1192static const bfd_byte
1193tilegx64_short_plt_entry[PLT_ENTRY_SIZE] =
1194{
1195 0x00, 0x30, 0x48, 0x51,
1196 0x0d, 0xf0, 0x6a, 0x28, /* { lnk r26 } */
1197 0x9c, 0x06, 0x00, 0x90,
1198 0xed, 0x07, 0x00, 0x00, /* { addli r28, r26, 0 ; moveli r27, 0 } */
1199 0xdd, 0x0f, 0x00, 0x70,
1200 0x8e, 0xeb, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; ld r28, r28 } */
1201 0x9b, 0xb6, 0x0d, 0x50,
1202 0x80, 0x73, 0x6a, 0x28, /* { add r27, r26, r27 ; jr r28 } */
1203 0x00, 0x30, 0x48, 0xd1,
1204 0xff, 0x57, 0x18, 0x18, /* { info 10 } */
1205};
1206
1207/* Reuse an existing info 10 bundle. */
0e4894b9 1208static const bfd_byte *const tilegx64_plt_tail_entry =
aa137e4d
NC		 1209 &tilegx64_short_plt_entry[4 * TILEGX_BUNDLE_SIZE_IN_BYTES];
1210
1211static const bfd_byte
1212tilegx32_plt0_entry[PLT_HEADER_SIZE] =
1213{
1214 0x00, 0x30, 0x48, 0x51,
1215 0x6e, 0x23, 0x58, 0x18, /* { ld4s_add r28, r27, 4 } */
1216 0x00, 0x30, 0xbc, 0x35,
1217 0x00, 0x40, 0xde, 0x9c, /* { ld4s r27, r27 } */
1218 0xff, 0xaf, 0x30, 0x40,
1219 0x60, 0x73, 0x6a, 0x28, /* { info 10 ; jr r27 } */
1220};
1221
1222static const bfd_byte
1223tilegx32_long_plt_entry[PLT_ENTRY_SIZE] =
1224{
1225 0xdc, 0x0f, 0x00, 0x10,
1226 0x0d, 0xf0, 0x6a, 0x28, /* { moveli r28, 0 ; lnk r26 } */
1227 0xdb, 0x0f, 0x00, 0x10,
1228 0x8e, 0x03, 0x00, 0x38, /* { moveli r27, 0 ; shl16insli r28, r28, 0 } */
1229 0x9c, 0xc6, 0x0d, 0xd0,
1230 0x6d, 0x03, 0x00, 0x38, /* { add r28, r26, r28 ; shl16insli r27, r27, 0 } */
1231 0x9b, 0xb6, 0xc5, 0xad,
1232 0xff, 0x57, 0xe0, 0x8c, /* { add r27, r26, r27 ; info 10 ; ld4s r28, r28 } */
1233 0xdd, 0x0f, 0x00, 0x70,
1234 0x80, 0x73, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; jr r28 } */
1235};
1236
1237static const bfd_byte
1238tilegx32_short_plt_entry[PLT_ENTRY_SIZE] =
1239{
1240 0x00, 0x30, 0x48, 0x51,
1241 0x0d, 0xf0, 0x6a, 0x28, /* { lnk r26 } */
1242 0x9c, 0x06, 0x00, 0x90,
1243 0xed, 0x07, 0x00, 0x00, /* { addli r28, r26, 0 ; moveli r27, 0 } */
1244 0xdd, 0x0f, 0x00, 0x70,
1245 0x8e, 0x9b, 0x6a, 0x28, /* { shl16insli r29, zero, 0 ; ld4s r28, r28 } */
1246 0x9b, 0xb6, 0x0d, 0x50,
1247 0x80, 0x73, 0x6a, 0x28, /* { add r27, r26, r27 ; jr r28 } */
1248 0x00, 0x30, 0x48, 0xd1,
1249 0xff, 0x57, 0x18, 0x18, /* { info 10 } */
1250};
1251
1252/* Reuse an existing info 10 bundle. */
0e4894b9 1253static const bfd_byte *const tilegx32_plt_tail_entry =
aa137e4d
NC		 1254 &tilegx64_short_plt_entry[4 * TILEGX_BUNDLE_SIZE_IN_BYTES];
1255
1256static int
1257tilegx_plt_entry_build (bfd *output_bfd,
1258 struct tilegx_elf_link_hash_table *htab,
1259 asection *splt, asection *sgotplt,
1260 bfd_vma offset, bfd_vma *r_offset)
1261{
1262 int plt_index = (offset - PLT_HEADER_SIZE) / PLT_ENTRY_SIZE;
1263 int got_offset = (plt_index * GOT_ENTRY_SIZE (htab)
1264 + GOTPLT_HEADER_SIZE (htab));
1265 tilegx_bundle_bits *pc;
1266
1267 /* Compute the distance from the got entry to the lnk. */
1268 bfd_signed_vma dist_got_entry = sgotplt->output_section->vma
1269 + sgotplt->output_offset
1270 + got_offset
1271 - splt->output_section->vma
1272 - splt->output_offset
1273 - offset
1274 - TILEGX_BUNDLE_SIZE_IN_BYTES;
1275
1276 /* Compute the distance to GOTPLT[0]. */
1277 bfd_signed_vma dist_got0 = dist_got_entry - got_offset;
1278
1279 /* Check whether we can use the short plt entry with 16-bit offset. */
1280 bfd_boolean short_plt_entry =
1281 (dist_got_entry <= 0x7fff && dist_got0 >= -0x8000);
1282
1283 const tilegx_bundle_bits *plt_entry = (tilegx_bundle_bits *)
1284 (ABI_64_P (output_bfd) ?
1285 (short_plt_entry ? tilegx64_short_plt_entry : tilegx64_long_plt_entry) :
1286 (short_plt_entry ? tilegx32_short_plt_entry : tilegx32_long_plt_entry));
1287
1288 /* Copy the plt entry template. */
1289 memcpy (splt->contents + offset, plt_entry, PLT_ENTRY_SIZE);
1290
1291 /* Write the immediate offsets. */
1292 pc = (tilegx_bundle_bits *)(splt->contents + offset);
1293
1294 if (short_plt_entry)
1295 {
1296 /* { lnk r28 } */
1297 pc++;
1298
1299 /* { addli r28, r28, &GOTPLT[MY_GOT_INDEX] ; moveli r27, &GOTPLT[0] } */
1300 *pc++ |= create_Imm16_X0 (dist_got_entry)
1301 | create_Imm16_X1 (dist_got0);
1302
1303 /* { shl16insli r29, zero, MY_PLT_INDEX ; ld r28, r28 } */
1304 *pc++ |= create_Imm16_X0 (plt_index);
1305 }
1306 else
1307 {
1308 /* { moveli r28, &GOTPLT[MY_GOT_INDEX] ; lnk r26 } */
1309 *pc++ |= create_Imm16_X0 (dist_got_entry >> 16);
1310
1311 /* { moveli r27, &GOTPLT[0] ;
1312 shl16insli r28, r28, &GOTPLT[MY_GOT_INDEX] } */
1313 *pc++ |= create_Imm16_X0 (dist_got0 >> 16)
1314 | create_Imm16_X1 (dist_got_entry);
1315
1316 /* { add r28, r26, r28 ; shl16insli r27, r27, &GOTPLT[0] } */
1317 *pc++ |= create_Imm16_X1 (dist_got0);
1318
1319 /* { add r27, r26, r27 ; info 10 ; ld r28, r28 } */
1320 pc++;
1321
1322 /* { shl16insli r29, zero, MY_GOT_INDEX ; jr r28 } */
1323 *pc++ |= create_Imm16_X0 (plt_index);
1324 }
1325
1326 /* Set the relocation offset. */
1327 *r_offset = got_offset;
1328
1329 return plt_index;
1330}
1331
1332/* Create an entry in an TILEGX ELF linker hash table. */
1333
1334static struct bfd_hash_entry *
1335link_hash_newfunc (struct bfd_hash_entry *entry,
1336 struct bfd_hash_table *table, const char *string)
1337{
1338 /* Allocate the structure if it has not already been allocated by a
1339 subclass. */
1340 if (entry == NULL)
1341 {
1342 entry =
07d6d2b8
AM		 1343 bfd_hash_allocate (table,
1344 sizeof (struct tilegx_elf_link_hash_entry));
aa137e4d
NC		 1345 if (entry == NULL)
1346 return entry;
1347 }
1348
1349 /* Call the allocation method of the superclass. */
1350 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1351 if (entry != NULL)
1352 {
1353 struct tilegx_elf_link_hash_entry *eh;
1354
1355 eh = (struct tilegx_elf_link_hash_entry *) entry;
aa137e4d
NC		 1356 eh->tls_type = GOT_UNKNOWN;
1357 }
1358
1359 return entry;
1360}
1361
1362/* Create a TILEGX ELF linker hash table. */
1363
1364struct bfd_link_hash_table *
1365tilegx_elf_link_hash_table_create (bfd *abfd)
1366{
1367 struct tilegx_elf_link_hash_table *ret;
986f0783 1368 size_t amt = sizeof (struct tilegx_elf_link_hash_table);
aa137e4d
NC		 1369
1370 ret = (struct tilegx_elf_link_hash_table *) bfd_zmalloc (amt);
1371 if (ret == NULL)
1372 return NULL;
1373
1374#ifdef BFD64
1375 if (ABI_64_P (abfd))
1376 {
1377 ret->bytes_per_word = 8;
1378 ret->word_align_power = 3;
1379 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
1380 ret->dtpoff_reloc = R_TILEGX_TLS_DTPOFF64;
1381 ret->dtpmod_reloc = R_TILEGX_TLS_DTPMOD64;
1382 ret->tpoff_reloc = R_TILEGX_TLS_TPOFF64;
1383 ret->r_info = tilegx_elf_r_info_64;
1384 ret->r_symndx = tilegx_elf_r_symndx_64;
1385 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
1386 ret->put_word = tilegx_put_word_64;
1387 }
1388 else
1389#endif
1390 {
1391 ret->bytes_per_word = 4;
1392 ret->word_align_power = 2;
1393 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
1394 ret->dtpoff_reloc = R_TILEGX_TLS_DTPOFF32;
1395 ret->dtpmod_reloc = R_TILEGX_TLS_DTPMOD32;
1396 ret->tpoff_reloc = R_TILEGX_TLS_TPOFF32;
1397 ret->r_info = tilegx_elf_r_info_32;
1398 ret->r_symndx = tilegx_elf_r_symndx_32;
1399 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
1400 ret->put_word = tilegx_put_word_32;
1401 }
1402
1403 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
1404 sizeof (struct tilegx_elf_link_hash_entry),
1405 TILEGX_ELF_DATA))
1406 {
1407 free (ret);
1408 return NULL;
1409 }
1410
1411 return &ret->elf.root;
1412}
1413
1414/* Create the .got section. */
1415
1416static bfd_boolean
1417tilegx_elf_create_got_section (bfd *abfd, struct bfd_link_info *info)
1418{
1419 flagword flags;
1420 asection *s, *s_got;
1421 struct elf_link_hash_entry *h;
1422 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1423 struct elf_link_hash_table *htab = elf_hash_table (info);
1424
1425 /* This function may be called more than once. */
ce558b89 1426 if (htab->sgot != NULL)
aa137e4d
NC		 1427 return TRUE;
1428
1429 flags = bed->dynamic_sec_flags;
1430
3d4d4302
AM		 1431 s = bfd_make_section_anyway_with_flags (abfd,
1432 (bed->rela_plts_and_copies_p
1433 ? ".rela.got" : ".rel.got"),
1434 (bed->dynamic_sec_flags
1435 | SEC_READONLY));
aa137e4d 1436 if (s == NULL
fd361982 1437 || !bfd_set_section_alignment (s, bed->s->log_file_align))
aa137e4d
NC		 1438 return FALSE;
1439 htab->srelgot = s;
1440
3d4d4302 1441 s = s_got = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
aa137e4d 1442 if (s == NULL
fd361982 1443 || !bfd_set_section_alignment (s, bed->s->log_file_align))
aa137e4d
NC		 1444 return FALSE;
1445 htab->sgot = s;
1446
1447 /* The first bit of the global offset table is the header. */
1448 s->size += bed->got_header_size;
1449
1450 if (bed->want_got_plt)
1451 {
3d4d4302 1452 s = bfd_make_section_anyway_with_flags (abfd, ".got.plt", flags);
aa137e4d 1453 if (s == NULL
fd361982 1454 || !bfd_set_section_alignment (s, bed->s->log_file_align))
aa137e4d
NC		 1455 return FALSE;
1456 htab->sgotplt = s;
1457
1458 /* Reserve room for the header. */
1459 s->size += GOTPLT_HEADER_SIZE (tilegx_elf_hash_table (info));
1460 }
1461
1462 if (bed->want_got_sym)
1463 {
1464 /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got
1465 section. We don't do this in the linker script because we don't want
1466 to define the symbol if we are not creating a global offset
1467 table. */
1468 h = _bfd_elf_define_linkage_sym (abfd, info, s_got,
1469 "_GLOBAL_OFFSET_TABLE_");
1470 elf_hash_table (info)->hgot = h;
1471 if (h == NULL)
1472 return FALSE;
1473 }
1474
1475 return TRUE;
1476}
1477
1478/* Create .plt, .rela.plt, .got, .got.plt, .rela.got, .dynbss, and
1479 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1480 hash table. */
1481
1482bfd_boolean
1483tilegx_elf_create_dynamic_sections (bfd *dynobj,
1484 struct bfd_link_info *info)
1485{
aa137e4d
NC		 1486 if (!tilegx_elf_create_got_section (dynobj, info))
1487 return FALSE;
1488
9d19e4fd 1489 return _bfd_elf_create_dynamic_sections (dynobj, info);
aa137e4d
NC		 1490}
1491
1492/* Copy the extra info we tack onto an elf_link_hash_entry. */
1493
1494void
1495tilegx_elf_copy_indirect_symbol (struct bfd_link_info *info,
1496 struct elf_link_hash_entry *dir,
1497 struct elf_link_hash_entry *ind)
1498{
1499 struct tilegx_elf_link_hash_entry *edir, *eind;
1500
1501 edir = (struct tilegx_elf_link_hash_entry *) dir;
1502 eind = (struct tilegx_elf_link_hash_entry *) ind;
1503
aa137e4d
NC		 1504 if (ind->root.type == bfd_link_hash_indirect
1505 && dir->got.refcount <= 0)
1506 {
1507 edir->tls_type = eind->tls_type;
1508 eind->tls_type = GOT_UNKNOWN;
1509 }
1510 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1511}
1512
6f7be959
WL		 1513static int
1514tilegx_tls_translate_to_le (int r_type)
1515{
1516 switch (r_type)
1517 {
1518 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
1519 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
1520 return R_TILEGX_IMM16_X0_HW0_TLS_LE;
1521
1522 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
1523 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
1524 return R_TILEGX_IMM16_X1_HW0_TLS_LE;
1525
1526 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
1527 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
1528 return R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE;
1529
1530 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
1531 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
1532 return R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE;
1533
1534 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
1535 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
1536 return R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE;
1537
1538 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
1539 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
1540 return R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE;
1541 }
1542 return r_type;
1543}
1544
1545static int
1546tilegx_tls_translate_to_ie (int r_type)
1547{
1548 switch (r_type)
1549 {
1550 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
1551 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
1552 return R_TILEGX_IMM16_X0_HW0_TLS_IE;
1553
1554 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
1555 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
1556 return R_TILEGX_IMM16_X1_HW0_TLS_IE;
1557
1558 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
1559 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
1560 return R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE;
1561
1562 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
1563 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
1564 return R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE;
1565
1566 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
1567 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
1568 return R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE;
1569
1570 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
1571 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
1572 return R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE;
1573 }
1574 return r_type;
1575}
1576
1577static int
1578tilegx_elf_tls_transition (struct bfd_link_info *info, int r_type,
1579 int is_local, bfd_boolean disable_le_transition)
1580{
28095894 1581 if (!bfd_link_executable (info))
6f7be959
WL		 1582 return r_type;
1583
1584 if (is_local && !disable_le_transition)
1585 return tilegx_tls_translate_to_le (r_type);
1586 else
1587 return tilegx_tls_translate_to_ie (r_type);
1588}
1589
aa137e4d
NC		 1590/* Look through the relocs for a section during the first phase, and
1591 allocate space in the global offset table or procedure linkage
1592 table. */
1593
1594bfd_boolean
1595tilegx_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1596 asection *sec, const Elf_Internal_Rela *relocs)
1597{
1598 struct tilegx_elf_link_hash_table *htab;
1599 Elf_Internal_Shdr *symtab_hdr;
1600 struct elf_link_hash_entry **sym_hashes;
aa137e4d
NC		 1601 const Elf_Internal_Rela *rel;
1602 const Elf_Internal_Rela *rel_end;
1603 asection *sreloc;
1604 int num_relocs;
6f7be959 1605 bfd_boolean has_tls_gd_or_ie = FALSE, has_tls_add = FALSE;
aa137e4d 1606
0e1862bb 1607 if (bfd_link_relocatable (info))
aa137e4d
NC		 1608 return TRUE;
1609
1610 htab = tilegx_elf_hash_table (info);
1611 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1612 sym_hashes = elf_sym_hashes (abfd);
aa137e4d
NC		 1613
1614 sreloc = NULL;
1615
1616 num_relocs = sec->reloc_count;
1617
1618 BFD_ASSERT (is_tilegx_elf (abfd) || num_relocs == 0);
1619
1620 if (htab->elf.dynobj == NULL)
1621 htab->elf.dynobj = abfd;
1622
1623 rel_end = relocs + num_relocs;
6f7be959
WL		 1624
1625 /* Check whether to do optimization to transform TLS GD/IE
1626 referehces to TLS LE. We disable it if we're linking with old
1627 TLS code sequences that do not support such optimization. Old
1628 TLS code sequences have tls_gd_call/tls_ie_load relocations but
1629 no tls_add relocations. */
1630 for (rel = relocs; rel < rel_end && !has_tls_add; rel++)
1631 {
1632 int r_type = TILEGX_ELF_R_TYPE (rel->r_info);
1633 switch (r_type)
1634 {
1635 case R_TILEGX_TLS_GD_CALL:
1636 case R_TILEGX_TLS_IE_LOAD:
1637 has_tls_gd_or_ie = TRUE;
1638 break;
1639 case R_TILEGX_IMM8_X0_TLS_ADD:
1640 case R_TILEGX_IMM8_Y0_TLS_ADD:
1641 case R_TILEGX_IMM8_X1_TLS_ADD:
1642 case R_TILEGX_IMM8_Y1_TLS_ADD:
1643 has_tls_add = TRUE;
1644 break;
1645 }
1646 }
1647
1648 sec->sec_flg0 = (has_tls_gd_or_ie && !has_tls_add);
1649 htab->disable_le_transition |= sec->sec_flg0;
1650
aa137e4d
NC		 1651 for (rel = relocs; rel < rel_end; rel++)
1652 {
1653 unsigned int r_type;
d42c267e 1654 unsigned int r_symndx;
aa137e4d
NC		 1655 struct elf_link_hash_entry *h;
1656 int tls_type;
1657
1658 r_symndx = TILEGX_ELF_R_SYMNDX (htab, rel->r_info);
1659 r_type = TILEGX_ELF_R_TYPE (rel->r_info);
1660
1661 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1662 {
695344c0 1663 /* xgettext:c-format */
871b3ab2 1664 _bfd_error_handler (_("%pB: bad symbol index: %d"),
4eca0228 1665 abfd, r_symndx);
aa137e4d
NC		 1666 return FALSE;
1667 }
1668
1669 if (r_symndx < symtab_hdr->sh_info)
1670 h = NULL;
1671 else
1672 {
1673 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1674 while (h->root.type == bfd_link_hash_indirect
1675 || h->root.type == bfd_link_hash_warning)
1676 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1677 }
1678
6f7be959
WL		 1679 r_type = tilegx_elf_tls_transition (info, r_type, h == NULL,
1680 sec->sec_flg0);
aa137e4d
NC		 1681 switch (r_type)
1682 {
6f7be959
WL		 1683 case R_TILEGX_IMM16_X0_HW0_TLS_LE:
1684 case R_TILEGX_IMM16_X1_HW0_TLS_LE:
1685 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
1686 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
1687 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
1688 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
28095894 1689 if (!bfd_link_executable (info))
6f7be959
WL		 1690 goto r_tilegx_plt32;
1691 break;
1692
aa137e4d
NC		 1693 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
1694 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
aa137e4d
NC		 1695 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
1696 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
1697 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
1698 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
0e1862bb 1699 BFD_ASSERT (bfd_link_pic (info));
6f7be959 1700 tls_type = GOT_TLS_GD;
07d6d2b8 1701 goto have_got_reference;
aa137e4d
NC		 1702
1703 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
1704 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
aa137e4d
NC		 1705 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
1706 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
1707 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
1708 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
07d6d2b8
AM		 1709 tls_type = GOT_TLS_IE;
1710 if (!bfd_link_executable (info))
1711 info->flags |= DF_STATIC_TLS;
1712 goto have_got_reference;
aa137e4d
NC		 1713
1714 case R_TILEGX_IMM16_X0_HW0_GOT:
1715 case R_TILEGX_IMM16_X1_HW0_GOT:
aa137e4d
NC		 1716 case R_TILEGX_IMM16_X0_HW0_LAST_GOT:
1717 case R_TILEGX_IMM16_X1_HW0_LAST_GOT:
1718 case R_TILEGX_IMM16_X0_HW1_LAST_GOT:
1719 case R_TILEGX_IMM16_X1_HW1_LAST_GOT:
07d6d2b8
AM		 1720 tls_type = GOT_NORMAL;
1721 /* Fall Through */
aa137e4d 1722
07d6d2b8 1723 have_got_reference:
aa137e4d
NC		 1724 /* This symbol requires a global offset table entry. */
1725 {
07d6d2b8 1726 int old_tls_type;
aa137e4d
NC		 1727
1728 if (h != NULL)
1729 {
1730 h->got.refcount += 1;
1731 old_tls_type = tilegx_elf_hash_entry(h)->tls_type;
1732 }
1733 else
1734 {
1735 bfd_signed_vma *local_got_refcounts;
1736
1737 /* This is a global offset table entry for a local symbol. */
1738 local_got_refcounts = elf_local_got_refcounts (abfd);
1739 if (local_got_refcounts == NULL)
1740 {
1741 bfd_size_type size;
1742
1743 size = symtab_hdr->sh_info;
1744 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1745 local_got_refcounts = ((bfd_signed_vma *)
1746 bfd_zalloc (abfd, size));
1747 if (local_got_refcounts == NULL)
1748 return FALSE;
1749 elf_local_got_refcounts (abfd) = local_got_refcounts;
07d6d2b8
AM		 1750 _bfd_tilegx_elf_local_got_tls_type (abfd)
1751 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
aa137e4d
NC		 1752 }
1753 local_got_refcounts[r_symndx] += 1;
07d6d2b8
AM		 1754 old_tls_type = _bfd_tilegx_elf_local_got_tls_type (abfd) [r_symndx];
1755 }
1756
1757 /* If a TLS symbol is accessed using IE at least once,
1758 there is no point to use dynamic model for it. */
1759 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1760 && (old_tls_type != GOT_TLS_GD
1761 || tls_type != GOT_TLS_IE))
1762 {
1763 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1764 tls_type = old_tls_type;
1765 else
1766 {
4eca0228 1767 _bfd_error_handler
695344c0 1768 /* xgettext:c-format */
871b3ab2 1769 (_("%pB: `%s' accessed both as normal and thread local symbol"),
07d6d2b8
AM		 1770 abfd, h ? h->root.root.string : "<local>");
1771 return FALSE;
1772 }
1773 }
1774
1775 if (old_tls_type != tls_type)
1776 {
1777 if (h != NULL)
1778 tilegx_elf_hash_entry (h)->tls_type = tls_type;
1779 else
1780 _bfd_tilegx_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
aa137e4d
NC		 1781 }
1782 }
1783
1784 if (htab->elf.sgot == NULL)
1785 {
1786 if (!tilegx_elf_create_got_section (htab->elf.dynobj, info))
1787 return FALSE;
1788 }
1789 break;
1790
6f7be959 1791 case R_TILEGX_TLS_GD_CALL:
28095894 1792 if (!bfd_link_executable (info))
6f7be959
WL		 1793 {
1794 /* These are basically R_TILEGX_JUMPOFF_X1_PLT relocs
1795 against __tls_get_addr. */
1796 struct bfd_link_hash_entry *bh = NULL;
1797 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1798 "__tls_get_addr", 0,
1799 bfd_und_section_ptr, 0,
1800 NULL, FALSE, FALSE,
1801 &bh))
1802 return FALSE;
1803 h = (struct elf_link_hash_entry *) bh;
1804 }
1805 else
1806 break;
1807 /* Fall through */
1808
07d6d2b8 1809 case R_TILEGX_JUMPOFF_X1_PLT:
e5b95258
WL		 1810 case R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
1811 case R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
1812 case R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
1813 case R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
1814 case R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
1815 case R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
1816 case R_TILEGX_IMM16_X0_HW3_PLT_PCREL:
1817 case R_TILEGX_IMM16_X1_HW3_PLT_PCREL:
1818 case R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
1819 case R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
1820 case R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
1821 case R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
1822 case R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
1823 case R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
aa137e4d
NC		 1824 /* This symbol requires a procedure linkage table entry. We
1825 actually build the entry in adjust_dynamic_symbol,
1826 because this might be a case of linking PIC code without
1827 linking in any dynamic objects, in which case we don't
1828 need to generate a procedure linkage table after all. */
1829
1830 if (h != NULL)
07d6d2b8
AM		 1831 {
1832 h->needs_plt = 1;
1833 h->plt.refcount += 1;
1834 }
aa137e4d
NC		 1835 break;
1836
07d6d2b8
AM		 1837 case R_TILEGX_64_PCREL:
1838 case R_TILEGX_32_PCREL:
1839 case R_TILEGX_16_PCREL:
1840 case R_TILEGX_8_PCREL:
aa137e4d
NC		 1841 case R_TILEGX_IMM16_X0_HW0_PCREL:
1842 case R_TILEGX_IMM16_X1_HW0_PCREL:
1843 case R_TILEGX_IMM16_X0_HW1_PCREL:
1844 case R_TILEGX_IMM16_X1_HW1_PCREL:
1845 case R_TILEGX_IMM16_X0_HW2_PCREL:
1846 case R_TILEGX_IMM16_X1_HW2_PCREL:
1847 case R_TILEGX_IMM16_X0_HW3_PCREL:
1848 case R_TILEGX_IMM16_X1_HW3_PCREL:
1849 case R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
1850 case R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
1851 case R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
1852 case R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
1853 case R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
1854 case R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
1855 if (h != NULL)
1856 h->non_got_ref = 1;
1857
1858 if (h != NULL
1859 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1860 break;
1861 /* Fall through. */
1862
07d6d2b8
AM		 1863 case R_TILEGX_64:
1864 case R_TILEGX_32:
1865 case R_TILEGX_16:
1866 case R_TILEGX_8:
aa137e4d
NC		 1867 case R_TILEGX_HW0:
1868 case R_TILEGX_HW1:
1869 case R_TILEGX_HW2:
1870 case R_TILEGX_HW3:
1871 case R_TILEGX_HW0_LAST:
1872 case R_TILEGX_HW1_LAST:
1873 case R_TILEGX_HW2_LAST:
07d6d2b8
AM		 1874 case R_TILEGX_COPY:
1875 case R_TILEGX_GLOB_DAT:
1876 case R_TILEGX_JMP_SLOT:
1877 case R_TILEGX_RELATIVE:
1878 case R_TILEGX_BROFF_X1:
1879 case R_TILEGX_JUMPOFF_X1:
1880 case R_TILEGX_IMM8_X0:
1881 case R_TILEGX_IMM8_Y0:
1882 case R_TILEGX_IMM8_X1:
1883 case R_TILEGX_IMM8_Y1:
1884 case R_TILEGX_DEST_IMM8_X1:
1885 case R_TILEGX_MT_IMM14_X1:
1886 case R_TILEGX_MF_IMM14_X1:
1887 case R_TILEGX_MMSTART_X0:
1888 case R_TILEGX_MMEND_X0:
1889 case R_TILEGX_SHAMT_X0:
1890 case R_TILEGX_SHAMT_X1:
1891 case R_TILEGX_SHAMT_Y0:
1892 case R_TILEGX_SHAMT_Y1:
aa137e4d
NC		 1893 case R_TILEGX_IMM16_X0_HW0:
1894 case R_TILEGX_IMM16_X1_HW0:
1895 case R_TILEGX_IMM16_X0_HW1:
1896 case R_TILEGX_IMM16_X1_HW1:
1897 case R_TILEGX_IMM16_X0_HW2:
1898 case R_TILEGX_IMM16_X1_HW2:
1899 case R_TILEGX_IMM16_X0_HW3:
1900 case R_TILEGX_IMM16_X1_HW3:
1901 case R_TILEGX_IMM16_X0_HW0_LAST:
1902 case R_TILEGX_IMM16_X1_HW0_LAST:
1903 case R_TILEGX_IMM16_X0_HW1_LAST:
1904 case R_TILEGX_IMM16_X1_HW1_LAST:
1905 case R_TILEGX_IMM16_X0_HW2_LAST:
1906 case R_TILEGX_IMM16_X1_HW2_LAST:
1907 if (h != NULL)
6f7be959 1908 h->non_got_ref = 1;
aa137e4d 1909
6f7be959 1910 r_tilegx_plt32:
0e1862bb 1911 if (h != NULL && !bfd_link_pic (info))
6f7be959
WL		 1912 {
1913 /* We may need a .plt entry if the function this reloc
1914 refers to is in a shared lib. */
1915 h->plt.refcount += 1;
1916 }
aa137e4d
NC		 1917
1918 /* If we are creating a shared library, and this is a reloc
1919 against a global symbol, or a non PC relative reloc
1920 against a local symbol, then we need to copy the reloc
1921 into the shared library. However, if we are linking with
1922 -Bsymbolic, we do not need to copy a reloc against a
1923 global symbol which is defined in an object we are
1924 including in the link (i.e., DEF_REGULAR is set). At
1925 this point we have not seen all the input files, so it is
1926 possible that DEF_REGULAR is not set now but will be set
1927 later (it is never cleared). In case of a weak definition,
1928 DEF_REGULAR may be cleared later by a strong definition in
1929 a shared library. We account for that possibility below by
1930 storing information in the relocs_copied field of the hash
1931 table entry. A similar situation occurs when creating
1932 shared libraries and symbol visibility changes render the
1933 symbol local.
1934
1935 If on the other hand, we are creating an executable, we
1936 may need to keep relocations for symbols satisfied by a
1937 dynamic library if we manage to avoid copy relocs for the
1938 symbol. */
0e1862bb 1939 if ((bfd_link_pic (info)
aa137e4d
NC		 1940 && (sec->flags & SEC_ALLOC) != 0
1941 && (! tilegx_elf_howto_table[r_type].pc_relative
1942 || (h != NULL
1943 && (! info->symbolic
1944 || h->root.type == bfd_link_hash_defweak
1945 || !h->def_regular))))
0e1862bb 1946 || (!bfd_link_pic (info)
aa137e4d
NC		 1947 && (sec->flags & SEC_ALLOC) != 0
1948 && h != NULL
1949 && (h->root.type == bfd_link_hash_defweak
1950 || !h->def_regular)))
1951 {
3bf083ed
AM		 1952 struct elf_dyn_relocs *p;
1953 struct elf_dyn_relocs **head;
aa137e4d
NC		 1954
1955 /* When creating a shared object, we must copy these
1956 relocs into the output file. We create a reloc
1957 section in dynobj and make room for the reloc. */
1958 if (sreloc == NULL)
1959 {
1960 sreloc = _bfd_elf_make_dynamic_reloc_section
1961 (sec, htab->elf.dynobj, htab->word_align_power, abfd,
1962 /*rela?*/ TRUE);
1963
1964 if (sreloc == NULL)
1965 return FALSE;
1966 }
1967
1968 /* If this is a global symbol, we count the number of
1969 relocations we need for this symbol. */
1970 if (h != NULL)
190eb1dd 1971 head = &h->dyn_relocs;
aa137e4d
NC		 1972 else
1973 {
1974 /* Track dynamic relocs needed for local syms too.
1975 We really need local syms available to do this
1976 easily. Oh well. */
1977
1978 asection *s;
1979 void *vpp;
1980 Elf_Internal_Sym *isym;
1981
1982 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
1983 abfd, r_symndx);
1984 if (isym == NULL)
1985 return FALSE;
1986
1987 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1988 if (s == NULL)
1989 s = sec;
1990
1991 vpp = &elf_section_data (s)->local_dynrel;
3bf083ed 1992 head = (struct elf_dyn_relocs **) vpp;
aa137e4d
NC		 1993 }
1994
1995 p = *head;
1996 if (p == NULL || p->sec != sec)
1997 {
986f0783 1998 size_t amt = sizeof *p;
3bf083ed 1999 p = ((struct elf_dyn_relocs *)
aa137e4d
NC		 2000 bfd_alloc (htab->elf.dynobj, amt));
2001 if (p == NULL)
2002 return FALSE;
2003 p->next = *head;
2004 *head = p;
2005 p->sec = sec;
2006 p->count = 0;
2007 p->pc_count = 0;
2008 }
2009
2010 p->count += 1;
2011 if (tilegx_elf_howto_table[r_type].pc_relative)
2012 p->pc_count += 1;
2013 }
2014
2015 break;
2016
2017 case R_TILEGX_GNU_VTINHERIT:
2018 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
2019 return FALSE;
2020 break;
2021
2022 case R_TILEGX_GNU_VTENTRY:
2023 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
2024 return FALSE;
2025 break;
2026
2027 default:
2028 break;
2029 }
2030 }
2031
2032 return TRUE;
2033}
2034
2035\f
2036asection *
2037tilegx_elf_gc_mark_hook (asection *sec,
2038 struct bfd_link_info *info,
2039 Elf_Internal_Rela *rel,
2040 struct elf_link_hash_entry *h,
2041 Elf_Internal_Sym *sym)
2042{
2043 if (h != NULL)
2044 {
2045 switch (TILEGX_ELF_R_TYPE (rel->r_info))
b45b6908
AM		 2046 {
2047 case R_TILEGX_GNU_VTINHERIT:
2048 case R_TILEGX_GNU_VTENTRY:
2049 return NULL;
2050 }
2051 }
2052
2053 /* FIXME: The test here, in check_relocs and in relocate_section
0e1862bb
L		 2054 dealing with TLS optimization, ought to be !bfd_link_executable (info). */
2055 if (bfd_link_pic (info))
b45b6908 2056 {
8e354058
L		 2057 struct bfd_link_hash_entry *bh;
2058
b45b6908
AM		 2059 switch (TILEGX_ELF_R_TYPE (rel->r_info))
2060 {
2061 case R_TILEGX_TLS_GD_CALL:
2062 /* This reloc implicitly references __tls_get_addr. We know
2063 another reloc will reference the same symbol as the one
2064 on this reloc, so the real symbol and section will be
2065 gc marked when processing the other reloc. That lets
2066 us handle __tls_get_addr here. */
8e354058
L		 2067 bh = NULL;
2068 if (! _bfd_generic_link_add_one_symbol (info, sec->owner,
2069 "__tls_get_addr", 0,
2070 bfd_und_section_ptr,
2071 0, NULL, FALSE,
2072 FALSE, &bh))
2073 return NULL;
2074 h = (struct elf_link_hash_entry *) bh;
b45b6908
AM		 2075 BFD_ASSERT (h != NULL);
2076 h->mark = 1;
60d67dc8
AM		 2077 if (h->is_weakalias)
2078 weakdef (h)->mark = 1;
b45b6908
AM		 2079 sym = NULL;
2080 }
aa137e4d
NC		 2081 }
2082
2083 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
2084}
2085
aa137e4d
NC		 2086/* Adjust a symbol defined by a dynamic object and referenced by a
2087 regular object. The current definition is in some section of the
2088 dynamic object, but we're not including those sections. We have to
2089 change the definition to something the rest of the link can
2090 understand. */
2091
2092bfd_boolean
2093tilegx_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2094 struct elf_link_hash_entry *h)
2095{
2096 struct tilegx_elf_link_hash_table *htab;
aa137e4d 2097 bfd *dynobj;
5474d94f 2098 asection *s, *srel;
aa137e4d
NC		 2099
2100 htab = tilegx_elf_hash_table (info);
2101 BFD_ASSERT (htab != NULL);
2102
2103 dynobj = htab->elf.dynobj;
2104
2105 /* Make sure we know what is going on here. */
2106 BFD_ASSERT (dynobj != NULL
2107 && (h->needs_plt
60d67dc8 2108 || h->is_weakalias
aa137e4d
NC		 2109 || (h->def_dynamic
2110 && h->ref_regular
2111 && !h->def_regular)));
2112
2113 /* If this is a function, put it in the procedure linkage table. We
2114 will fill in the contents of the procedure linkage table later
2115 (although we could actually do it here). */
2116 if (h->type == STT_FUNC || h->needs_plt)
2117 {
2118 if (h->plt.refcount <= 0
2119 || SYMBOL_CALLS_LOCAL (info, h)
2120 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2121 && h->root.type == bfd_link_hash_undefweak))
2122 {
2123 /* This case can occur if we saw a R_TILEGX_JUMPOFF_X1_PLT
07d6d2b8
AM		 2124 reloc in an input file, but the symbol was never referred
2125 to by a dynamic object, or if all references were garbage
2126 collected. In such a case, we don't actually need to build
2127 a procedure linkage table, and we can just do a
2128 R_TILEGX_JUMPOFF_X1 relocation instead. */
aa137e4d
NC		 2129 h->plt.offset = (bfd_vma) -1;
2130 h->needs_plt = 0;
2131 }
2132
2133 return TRUE;
2134 }
2135 else
2136 h->plt.offset = (bfd_vma) -1;
2137
2138 /* If this is a weak symbol, and there is a real definition, the
2139 processor independent code will have arranged for us to see the
2140 real definition first, and we can just use the same value. */
60d67dc8 2141 if (h->is_weakalias)
aa137e4d 2142 {
60d67dc8
AM		 2143 struct elf_link_hash_entry *def = weakdef (h);
2144 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2145 h->root.u.def.section = def->root.u.def.section;
2146 h->root.u.def.value = def->root.u.def.value;
aa137e4d
NC		 2147 return TRUE;
2148 }
2149
2150 /* This is a reference to a symbol defined by a dynamic object which
2151 is not a function. */
2152
2153 /* If we are creating a shared library, we must presume that the
2154 only references to the symbol are via the global offset table.
2155 For such cases we need not do anything here; the relocations will
2156 be handled correctly by relocate_section. */
0e1862bb 2157 if (bfd_link_pic (info))
aa137e4d
NC		 2158 return TRUE;
2159
2160 /* If there are no references to this symbol that do not use the
2161 GOT, we don't need to generate a copy reloc. */
2162 if (!h->non_got_ref)
2163 return TRUE;
2164
2165 /* If -z nocopyreloc was given, we won't generate them either. */
2166 if (info->nocopyreloc)
2167 {
2168 h->non_got_ref = 0;
2169 return TRUE;
2170 }
2171
3bf083ed 2172 /* If we don't find any dynamic relocs in read-only sections, then
aa137e4d 2173 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
5dbc8b37 2174 if (!_bfd_elf_readonly_dynrelocs (h))
aa137e4d
NC		 2175 {
2176 h->non_got_ref = 0;
2177 return TRUE;
2178 }
2179
aa137e4d
NC		 2180 /* We must allocate the symbol in our .dynbss section, which will
2181 become part of the .bss section of the executable. There will be
2182 an entry for this symbol in the .dynsym section. The dynamic
2183 object will contain position independent code, so all references
2184 from the dynamic object to this symbol will go through the global
2185 offset table. The dynamic linker will use the .dynsym entry to
2186 determine the address it must put in the global offset table, so
2187 both the dynamic object and the regular object will refer to the
2188 same memory location for the variable. */
2189
2190 /* We must generate a R_TILEGX_COPY reloc to tell the dynamic linker
2191 to copy the initial value out of the dynamic object and into the
2192 runtime process image. We need to remember the offset into the
2193 .rel.bss section we are going to use. */
5474d94f
AM		 2194 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2195 {
2196 s = htab->elf.sdynrelro;
2197 srel = htab->elf.sreldynrelro;
2198 }
2199 else
2200 {
2201 s = htab->elf.sdynbss;
2202 srel = htab->elf.srelbss;
2203 }
1d7e9d18 2204 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
aa137e4d 2205 {
5474d94f 2206 srel->size += TILEGX_ELF_RELA_BYTES (htab);
aa137e4d
NC		 2207 h->needs_copy = 1;
2208 }
2209
5474d94f 2210 return _bfd_elf_adjust_dynamic_copy (info, h, s);
aa137e4d
NC		 2211}
2212
2213/* Allocate space in .plt, .got and associated reloc sections for
2214 dynamic relocs. */
2215
2216static bfd_boolean
e4d34ace 2217allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
aa137e4d
NC		 2218{
2219 struct bfd_link_info *info;
2220 struct tilegx_elf_link_hash_table *htab;
3bf083ed 2221 struct elf_dyn_relocs *p;
aa137e4d
NC		 2222
2223 if (h->root.type == bfd_link_hash_indirect)
2224 return TRUE;
2225
aa137e4d
NC		 2226 info = (struct bfd_link_info *) inf;
2227 htab = tilegx_elf_hash_table (info);
2228 BFD_ASSERT (htab != NULL);
2229
2230 if (htab->elf.dynamic_sections_created
2231 && h->plt.refcount > 0)
2232 {
2233 /* Make sure this symbol is output as a dynamic symbol.
2234 Undefined weak syms won't yet be marked as dynamic. */
2235 if (h->dynindx == -1
2236 && !h->forced_local)
2237 {
2238 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2239 return FALSE;
2240 }
2241
0e1862bb 2242 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
aa137e4d
NC		 2243 {
2244 asection *s = htab->elf.splt;
2245
2246 /* Allocate room for the header and tail. */
2247 if (s->size == 0)
2248 {
663b5850 2249 s->size = PLT_ENTRY_SIZE;
aa137e4d
NC		 2250 }
2251
07d6d2b8 2252 h->plt.offset = s->size - PLT_ENTRY_SIZE + PLT_HEADER_SIZE;
aa137e4d
NC		 2253
2254 /* If this symbol is not defined in a regular file, and we are
2255 not generating a shared library, then set the symbol to this
2256 location in the .plt. This is required to make function
2257 pointers compare as equal between the normal executable and
2258 the shared library. */
0e1862bb 2259 if (! bfd_link_pic (info)
aa137e4d
NC		 2260 && !h->def_regular)
2261 {
2262 h->root.u.def.section = s;
2263 h->root.u.def.value = h->plt.offset;
2264 }
2265
2266 /* Make room for this entry. */
2267 s->size += PLT_ENTRY_SIZE;
2268
2269 /* We also need to make an entry in the .got.plt section. */
2270 htab->elf.sgotplt->size += GOT_ENTRY_SIZE (htab);
2271
2272 /* We also need to make an entry in the .rela.plt section. */
2273 htab->elf.srelplt->size += TILEGX_ELF_RELA_BYTES (htab);
2274 }
2275 else
2276 {
2277 h->plt.offset = (bfd_vma) -1;
2278 h->needs_plt = 0;
2279 }
2280 }
2281 else
2282 {
2283 h->plt.offset = (bfd_vma) -1;
2284 h->needs_plt = 0;
2285 }
2286
6f7be959
WL		 2287 /* If a TLS_IE symbol is now local to the binary, make it a TLS_LE
2288 requiring no TLS entry. */
2289 if (h->got.refcount > 0
2290 && !htab->disable_le_transition
28095894 2291 && bfd_link_executable (info)
6f7be959
WL		 2292 && h->dynindx == -1
2293 && tilegx_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2294 h->got.offset = (bfd_vma) -1;
2295 else if (h->got.refcount > 0)
aa137e4d
NC		 2296 {
2297 asection *s;
2298 bfd_boolean dyn;
2299 int tls_type = tilegx_elf_hash_entry(h)->tls_type;
2300
2301 /* Make sure this symbol is output as a dynamic symbol.
2302 Undefined weak syms won't yet be marked as dynamic. */
2303 if (h->dynindx == -1
2304 && !h->forced_local)
2305 {
2306 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2307 return FALSE;
2308 }
2309
2310 s = htab->elf.sgot;
2311 h->got.offset = s->size;
2312 s->size += TILEGX_ELF_WORD_BYTES (htab);
2313 /* TLS_GD entries need 2 consecutive GOT slots. */
2314 if (tls_type == GOT_TLS_GD)
07d6d2b8 2315 s->size += TILEGX_ELF_WORD_BYTES (htab);
aa137e4d
NC		 2316 dyn = htab->elf.dynamic_sections_created;
2317 /* TLS_IE needs one dynamic relocation,
07d6d2b8 2318 TLS_GD needs two if local symbol and two if global. */
aa137e4d
NC		 2319 if (tls_type == GOT_TLS_GD || tls_type == GOT_TLS_IE)
2320 htab->elf.srelgot->size += 2 * TILEGX_ELF_RELA_BYTES (htab);
0e1862bb
L		 2321 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2322 bfd_link_pic (info),
2323 h))
aa137e4d
NC		 2324 htab->elf.srelgot->size += TILEGX_ELF_RELA_BYTES (htab);
2325 }
2326 else
2327 h->got.offset = (bfd_vma) -1;
2328
190eb1dd 2329 if (h->dyn_relocs == NULL)
aa137e4d
NC		 2330 return TRUE;
2331
2332 /* In the shared -Bsymbolic case, discard space allocated for
2333 dynamic pc-relative relocs against symbols which turn out to be
2334 defined in regular objects. For the normal shared case, discard
2335 space for pc-relative relocs that have become local due to symbol
2336 visibility changes. */
2337
0e1862bb 2338 if (bfd_link_pic (info))
aa137e4d
NC		 2339 {
2340 if (SYMBOL_CALLS_LOCAL (info, h))
2341 {
3bf083ed 2342 struct elf_dyn_relocs **pp;
aa137e4d 2343
190eb1dd 2344 for (pp = &h->dyn_relocs; (p = *pp) != NULL; )
aa137e4d
NC		 2345 {
2346 p->count -= p->pc_count;
2347 p->pc_count = 0;
2348 if (p->count == 0)
2349 *pp = p->next;
2350 else
2351 pp = &p->next;
2352 }
2353 }
2354
2355 /* Also discard relocs on undefined weak syms with non-default
2356 visibility. */
190eb1dd 2357 if (h->dyn_relocs != NULL
aa137e4d
NC		 2358 && h->root.type == bfd_link_hash_undefweak)
2359 {
a3cd202a
L		 2360 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2361 || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
190eb1dd 2362 h->dyn_relocs = NULL;
aa137e4d
NC		 2363
2364 /* Make sure undefined weak symbols are output as a dynamic
2365 symbol in PIEs. */
2366 else if (h->dynindx == -1
2367 && !h->forced_local)
2368 {
2369 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2370 return FALSE;
2371 }
2372 }
2373 }
2374 else
2375 {
2376 /* For the non-shared case, discard space for relocs against
2377 symbols which turn out to need copy relocs or are not
2378 dynamic. */
2379
2380 if (!h->non_got_ref
2381 && ((h->def_dynamic
2382 && !h->def_regular)
2383 || (htab->elf.dynamic_sections_created
2384 && (h->root.type == bfd_link_hash_undefweak
2385 || h->root.type == bfd_link_hash_undefined))))
2386 {
2387 /* Make sure this symbol is output as a dynamic symbol.
2388 Undefined weak syms won't yet be marked as dynamic. */
2389 if (h->dynindx == -1
2390 && !h->forced_local)
2391 {
2392 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2393 return FALSE;
2394 }
2395
2396 /* If that succeeded, we know we'll be keeping all the
2397 relocs. */
2398 if (h->dynindx != -1)
2399 goto keep;
2400 }
2401
190eb1dd 2402 h->dyn_relocs = NULL;
aa137e4d
NC		 2403
2404 keep: ;
2405 }
2406
2407 /* Finally, allocate space. */
190eb1dd 2408 for (p = h->dyn_relocs; p != NULL; p = p->next)
aa137e4d
NC		 2409 {
2410 asection *sreloc = elf_section_data (p->sec)->sreloc;
2411 sreloc->size += p->count * TILEGX_ELF_RELA_BYTES (htab);
2412 }
2413
2414 return TRUE;
2415}
2416
63c1f59d
AM		 2417/* Set DF_TEXTREL if we find any dynamic relocs that apply to
2418 read-only sections. */
aa137e4d
NC		 2419
2420static bfd_boolean
63c1f59d 2421maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
aa137e4d 2422{
63c1f59d 2423 asection *sec;
aa137e4d 2424
63c1f59d
AM		 2425 if (h->root.type == bfd_link_hash_indirect)
2426 return TRUE;
aa137e4d 2427
5dbc8b37 2428 sec = _bfd_elf_readonly_dynrelocs (h);
63c1f59d
AM		 2429 if (sec != NULL)
2430 {
2431 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
aa137e4d 2432
63c1f59d
AM		 2433 info->flags |= DF_TEXTREL;
2434 info->callbacks->minfo
c1c8c1ef 2435 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
63c1f59d 2436 sec->owner, h->root.root.string, sec);
007873f5 2437
63c1f59d
AM		 2438 /* Not an error, just cut short the traversal. */
2439 return FALSE;
aa137e4d
NC		 2440 }
2441 return TRUE;
2442}
2443
2444/* Return true if the dynamic symbol for a given section should be
2445 omitted when creating a shared library. */
2446
2447bfd_boolean
2448tilegx_elf_omit_section_dynsym (bfd *output_bfd,
2449 struct bfd_link_info *info,
2450 asection *p)
2451{
2452 /* We keep the .got section symbol so that explicit relocations
2453 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2454 can be turned into relocations against the .got symbol. */
2455 if (strcmp (p->name, ".got") == 0)
2456 return FALSE;
2457
d00dd7dc 2458 return _bfd_elf_omit_section_dynsym_default (output_bfd, info, p);
aa137e4d
NC		 2459}
2460
2461bfd_boolean
2462tilegx_elf_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
2463 struct bfd_link_info *info)
2464{
2465 struct tilegx_elf_link_hash_table *htab;
2466 bfd *dynobj;
2467 asection *s;
2468 bfd *ibfd;
2469
2470 htab = tilegx_elf_hash_table (info);
2471 BFD_ASSERT (htab != NULL);
2472 dynobj = htab->elf.dynobj;
2473 BFD_ASSERT (dynobj != NULL);
2474
2475 if (elf_hash_table (info)->dynamic_sections_created)
2476 {
2477 /* Set the contents of the .interp section to the interpreter. */
9b8b325a 2478 if (bfd_link_executable (info) && !info->nointerp)
aa137e4d 2479 {
3d4d4302 2480 s = bfd_get_linker_section (dynobj, ".interp");
aa137e4d
NC		 2481 BFD_ASSERT (s != NULL);
2482 s->size = strlen (htab->dynamic_interpreter) + 1;
2483 s->contents = (unsigned char *) htab->dynamic_interpreter;
2484 }
2485 }
2486
2487 /* Set up .got offsets for local syms, and space for local dynamic
2488 relocs. */
c72f2fb2 2489 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
aa137e4d
NC		 2490 {
2491 bfd_signed_vma *local_got;
2492 bfd_signed_vma *end_local_got;
2493 char *local_tls_type;
2494 bfd_size_type locsymcount;
2495 Elf_Internal_Shdr *symtab_hdr;
2496 asection *srel;
2497
2498 if (! is_tilegx_elf (ibfd))
2499 continue;
2500
2501 for (s = ibfd->sections; s != NULL; s = s->next)
2502 {
3bf083ed 2503 struct elf_dyn_relocs *p;
aa137e4d
NC		 2504
2505 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2506 {
2507 if (!bfd_is_abs_section (p->sec)
2508 && bfd_is_abs_section (p->sec->output_section))
2509 {
2510 /* Input section has been discarded, either because
2511 it is a copy of a linkonce section or due to
2512 linker script /DISCARD/, so we'll be discarding
2513 the relocs too. */
2514 }
2515 else if (p->count != 0)
2516 {
2517 srel = elf_section_data (p->sec)->sreloc;
2518 srel->size += p->count * TILEGX_ELF_RELA_BYTES (htab);
2519 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
007873f5
L		 2520 {
2521 info->flags |= DF_TEXTREL;
2522
871b3ab2 2523 info->callbacks->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
007873f5
L		 2524 p->sec->owner, p->sec);
2525 }
aa137e4d
NC		 2526 }
2527 }
2528 }
2529
2530 local_got = elf_local_got_refcounts (ibfd);
2531 if (!local_got)
2532 continue;
2533
2534 symtab_hdr = &elf_symtab_hdr (ibfd);
2535 locsymcount = symtab_hdr->sh_info;
2536 end_local_got = local_got + locsymcount;
2537 local_tls_type = _bfd_tilegx_elf_local_got_tls_type (ibfd);
2538 s = htab->elf.sgot;
2539 srel = htab->elf.srelgot;
2540 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2541 {
2542 if (*local_got > 0)
2543 {
2544 *local_got = s->size;
2545 s->size += TILEGX_ELF_WORD_BYTES (htab);
07d6d2b8
AM		 2546 if (*local_tls_type == GOT_TLS_GD)
2547 s->size += TILEGX_ELF_WORD_BYTES (htab);
2548 if (bfd_link_pic (info)
2549 || *local_tls_type == GOT_TLS_GD
2550 || *local_tls_type == GOT_TLS_IE)
aa137e4d
NC		 2551 srel->size += TILEGX_ELF_RELA_BYTES (htab);
2552 }
2553 else
2554 *local_got = (bfd_vma) -1;
2555 }
2556 }
2557
2558 /* Allocate global sym .plt and .got entries, and space for global
2559 sym dynamic relocs. */
e4d34ace 2560 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
aa137e4d
NC		 2561
2562 if (elf_hash_table (info)->dynamic_sections_created)
2563 {
2564 /* If the .got section is more than 0x8000 bytes, we add
2565 0x8000 to the value of _GLOBAL_OFFSET_TABLE_, so that 16
2566 bit relocations have a greater chance of working. */
2567 if (htab->elf.sgot->size >= 0x8000
2568 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2569 elf_hash_table (info)->hgot->root.u.def.value = 0x8000;
2570 }
2571
2572 if (htab->elf.sgotplt)
2573 {
2574 struct elf_link_hash_entry *got;
2575 got = elf_link_hash_lookup (elf_hash_table (info),
2576 "_GLOBAL_OFFSET_TABLE_",
2577 FALSE, FALSE, FALSE);
2578
2579 /* Don't allocate .got.plt section if there are no GOT nor PLT
07d6d2b8 2580 entries and there is no refeence to _GLOBAL_OFFSET_TABLE_. */
aa137e4d
NC		 2581 if ((got == NULL
2582 || !got->ref_regular_nonweak)
2583 && (htab->elf.sgotplt->size
2584 == (unsigned)GOTPLT_HEADER_SIZE (htab))
2585 && (htab->elf.splt == NULL
2586 || htab->elf.splt->size == 0)
2587 && (htab->elf.sgot == NULL
2588 || (htab->elf.sgot->size
2589 == get_elf_backend_data (output_bfd)->got_header_size)))
2590 htab->elf.sgotplt->size = 0;
2591 }
2592
2593 /* The check_relocs and adjust_dynamic_symbol entry points have
2594 determined the sizes of the various dynamic sections. Allocate
2595 memory for them. */
2596 for (s = dynobj->sections; s != NULL; s = s->next)
2597 {
2598 if ((s->flags & SEC_LINKER_CREATED) == 0)
2599 continue;
2600
2601 if (s == htab->elf.splt
2602 || s == htab->elf.sgot
2603 || s == htab->elf.sgotplt
5474d94f
AM		 2604 || s == htab->elf.sdynbss
2605 || s == htab->elf.sdynrelro)
aa137e4d
NC		 2606 {
2607 /* Strip this section if we don't need it; see the
2608 comment below. */
2609 }
2610 else if (strncmp (s->name, ".rela", 5) == 0)
2611 {
2612 if (s->size != 0)
2613 {
2614 /* We use the reloc_count field as a counter if we need
2615 to copy relocs into the output file. */
2616 s->reloc_count = 0;
2617 }
2618 }
2619 else
2620 {
2621 /* It's not one of our sections. */
2622 continue;
2623 }
2624
2625 if (s->size == 0)
2626 {
2627 /* If we don't need this section, strip it from the
2628 output file. This is mostly to handle .rela.bss and
2629 .rela.plt. We must create both sections in
2630 create_dynamic_sections, because they must be created
2631 before the linker maps input sections to output
2632 sections. The linker does that before
2633 adjust_dynamic_symbol is called, and it is that
2634 function which decides whether anything needs to go
2635 into these sections. */
2636 s->flags |= SEC_EXCLUDE;
2637 continue;
2638 }
2639
2640 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2641 continue;
2642
2643 /* Allocate memory for the section contents. Zero the memory
2644 for the benefit of .rela.plt, which has 4 unused entries
2645 at the beginning, and we don't want garbage. */
2646 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2647 if (s->contents == NULL)
2648 return FALSE;
2649 }
2650
2651 if (elf_hash_table (info)->dynamic_sections_created)
2652 {
2653 /* Add some entries to the .dynamic section. We fill in the
2654 values later, in tilegx_elf_finish_dynamic_sections, but we
2655 must add the entries now so that we get the correct size for
2656 the .dynamic section. The DT_DEBUG entry is filled in by the
2657 dynamic linker and used by the debugger. */
2658#define add_dynamic_entry(TAG, VAL) \
2659 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2660
0e1862bb 2661 if (bfd_link_executable (info))
aa137e4d
NC		 2662 {
2663 if (!add_dynamic_entry (DT_DEBUG, 0))
2664 return FALSE;
2665 }
2666
2667 if (htab->elf.srelplt->size != 0)
2668 {
2669 if (!add_dynamic_entry (DT_PLTGOT, 0)
2670 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2671 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2672 || !add_dynamic_entry (DT_JMPREL, 0))
2673 return FALSE;
2674 }
2675
2676 if (!add_dynamic_entry (DT_RELA, 0)
2677 || !add_dynamic_entry (DT_RELASZ, 0)
2678 || !add_dynamic_entry (DT_RELAENT, TILEGX_ELF_RELA_BYTES (htab)))
2679 return FALSE;
2680
2681 /* If any dynamic relocs apply to a read-only section,
2682 then we need a DT_TEXTREL entry. */
2683 if ((info->flags & DF_TEXTREL) == 0)
63c1f59d 2684 elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
aa137e4d
NC		 2685
2686 if (info->flags & DF_TEXTREL)
2687 {
2688 if (!add_dynamic_entry (DT_TEXTREL, 0))
2689 return FALSE;
2690 }
2691 }
2692#undef add_dynamic_entry
2693
2694 return TRUE;
2695}
2696\f
2697/* Return the base VMA address which should be subtracted from real addresses
2698 when resolving @dtpoff relocation.
2699 This is PT_TLS segment p_vaddr. */
2700
2701static bfd_vma
2702dtpoff_base (struct bfd_link_info *info)
2703{
2704 /* If tls_sec is NULL, we should have signalled an error already. */
2705 if (elf_hash_table (info)->tls_sec == NULL)
2706 return 0;
2707 return elf_hash_table (info)->tls_sec->vma;
2708}
2709
2710/* Return the relocation value for @tpoff relocation. */
2711
2712static bfd_vma
2713tpoff (struct bfd_link_info *info, bfd_vma address)
2714{
2715 struct elf_link_hash_table *htab = elf_hash_table (info);
2716
2717 /* If tls_sec is NULL, we should have signalled an error already. */
2718 if (htab->tls_sec == NULL)
2719 return 0;
2720
2721 return (address - htab->tls_sec->vma);
2722}
2723
6f7be959
WL		 2724/* Copy SIZE bits from FROM to TO at address ADDR. */
2725
2726static void
2727tilegx_copy_bits (bfd_byte *addr, int from, int to, int size)
2728{
2729 int i;
2730 for (i = 0; i < size; i++)
2731 {
2732 int from_byte = (from + i) / 8;
2733 int from_bit = (from + i) % 8;
2734 int to_byte = (to + i) / 8;
2735 int to_bit = (to + i) % 8;
2736 bfd_byte to_mask = 1 << to_bit;
2737 addr[to_byte] = (addr[to_byte] & ~to_mask)
2738 | ((addr[from_byte] >> from_bit << to_bit) & to_mask);
2739 }
2740}
2741
2742/* Replace the MASK bits in ADDR with those in INSN, for the next
2743 TILEGX_BUNDLE_SIZE_IN_BYTES bytes. */
2744
2745static void
2746tilegx_replace_insn (bfd_byte *addr, const bfd_byte *mask,
2747 const bfd_byte *insn)
2748{
2749 int i;
2750 for (i = 0; i < TILEGX_BUNDLE_SIZE_IN_BYTES; i++)
2751 {
2752 addr[i] = (addr[i] & ~mask[i]) | (insn[i] & mask[i]);
2753 }
2754}
2755
2756/* Mask to extract the bits corresponding to an instruction in a
2757 specific pipe of a bundle. */
2758static const bfd_byte insn_mask_X1[] = {
2759 0x00, 0x00, 0x00, 0x80, 0xff, 0xff, 0xff, 0x3f
2760};
2761
2762/* Mask to extract the bits corresponding to an instruction in a
2763 specific pipe of a bundle, minus the destination operand and the
2764 first source operand. */
68ffbac6 2765static const bfd_byte insn_mask_X0_no_dest_no_srca[] = {
6f7be959
WL		 2766 0x00, 0xf0, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00
2767};
2768
2769static const bfd_byte insn_mask_X1_no_dest_no_srca[] = {
2770 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0x3f
2771};
2772
2773static const bfd_byte insn_mask_Y0_no_dest_no_srca[] = {
2774 0x00, 0xf0, 0x0f, 0x78, 0x00, 0x00, 0x00, 0x00
2775};
2776static const bfd_byte insn_mask_Y1_no_dest_no_srca[] = {
2777 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x07, 0x3c
2778};
2779
2780/* Mask to extract the bits corresponding to an instruction in a
2781 specific pipe of a bundle, minus the register operands. */
2782static const bfd_byte insn_mask_X0_no_operand[] = {
2783 0x00, 0x00, 0xfc, 0x7f, 0x00, 0x00, 0x00, 0x00
2784};
2785
2786static const bfd_byte insn_mask_X1_no_operand[] = {
2787 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x3f
2788};
2789
2790static const bfd_byte insn_mask_Y0_no_operand[] = {
2791 0x00, 0x00, 0x0c, 0x78, 0x00, 0x00, 0x00, 0x00
2792};
2793
2794static const bfd_byte insn_mask_Y1_no_operand[] = {
2795 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x3c
2796};
2797
2798/* Various instructions synthesized to support tls references. */
2799
2800/* ld r0, r0 in the X1 pipe, used for tls ie. */
2801static const bfd_byte insn_tls_ie_ld_X1[] = {
2802 0x00, 0x00, 0x00, 0x00, 0x00, 0xe8, 0x6a, 0x28
2803};
2804
2805/* ld4s r0, r0 in the X1 pipe, used for tls ie. */
2806static const bfd_byte insn_tls_ie_ld4s_X1[] = {
2807 0x00, 0x00, 0x00, 0x00, 0x00, 0x98, 0x6a, 0x28
2808};
2809
2810/* add r0, r0, tp in various pipes, used for tls ie. */
2811static const bfd_byte insn_tls_ie_add_X0X1[] = {
2812 0x00, 0x50, 0x0f, 0x50, 0x00, 0xa8, 0x07, 0x28
2813};
2814static const bfd_byte insn_tls_ie_add_Y0Y1[] = {
2815 0x00, 0x50, 0x27, 0x2c, 0x00, 0xa8, 0x13, 0x9a
2816};
2817
2818/* addx r0, r0, tp in various pipes, used for tls ie. */
2819static const bfd_byte insn_tls_ie_addx_X0X1[] = {
2820 0x00, 0x50, 0x0b, 0x50, 0x00, 0xa8, 0x05, 0x28
2821};
2822static const bfd_byte insn_tls_ie_addx_Y0Y1[] = {
2823 0x00, 0x50, 0x03, 0x2c, 0x00, 0xa8, 0x01, 0x9a
2824};
2825
2826/* move r0, r0 in various pipes, used for tls gd. */
2827static const bfd_byte insn_tls_gd_add_X0X1[] = {
2828 0x00, 0xf0, 0x07, 0x51, 0x00, 0xf8, 0x3b, 0x28
2829};
2830static const bfd_byte insn_tls_gd_add_Y0Y1[] = {
2831 0x00, 0xf0, 0x0b, 0x54, 0x00, 0xf8, 0x05, 0xae
2832};
2833
2834static const bfd_byte *insn_move_X0X1 = insn_tls_gd_add_X0X1;
2835static const bfd_byte *insn_move_Y0Y1 = insn_tls_gd_add_Y0Y1;
2836
2837static const bfd_byte *insn_add_X0X1 = insn_tls_ie_add_X0X1;
2838static const bfd_byte *insn_add_Y0Y1 = insn_tls_ie_add_Y0Y1;
2839
2840static const bfd_byte *insn_addx_X0X1 = insn_tls_ie_addx_X0X1;
2841static const bfd_byte *insn_addx_Y0Y1 = insn_tls_ie_addx_Y0Y1;
2842
aa137e4d
NC		 2843/* Relocate an TILEGX ELF section.
2844
2845 The RELOCATE_SECTION function is called by the new ELF backend linker
2846 to handle the relocations for a section.
2847
2848 The relocs are always passed as Rela structures.
2849
2850 This function is responsible for adjusting the section contents as
2851 necessary, and (if generating a relocatable output file) adjusting
2852 the reloc addend as necessary.
2853
2854 This function does not have to worry about setting the reloc
2855 address or the reloc symbol index.
2856
2857 LOCAL_SYMS is a pointer to the swapped in local symbols.
2858
2859 LOCAL_SECTIONS is an array giving the section in the input file
2860 corresponding to the st_shndx field of each local symbol.
2861
2862 The global hash table entry for the global symbols can be found
2863 via elf_sym_hashes (input_bfd).
2864
2865 When generating relocatable output, this function must handle
2866 STB_LOCAL/STT_SECTION symbols specially. The output symbol is
2867 going to be the section symbol corresponding to the output
2868 section, which means that the addend must be adjusted
2869 accordingly. */
2870
2871bfd_boolean
2872tilegx_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
2873 bfd *input_bfd, asection *input_section,
2874 bfd_byte *contents, Elf_Internal_Rela *relocs,
2875 Elf_Internal_Sym *local_syms,
2876 asection **local_sections)
2877{
2878 struct tilegx_elf_link_hash_table *htab;
2879 Elf_Internal_Shdr *symtab_hdr;
2880 struct elf_link_hash_entry **sym_hashes;
2881 bfd_vma *local_got_offsets;
535127d2 2882 bfd_vma got_base;
aa137e4d
NC		 2883 asection *sreloc;
2884 Elf_Internal_Rela *rel;
2885 Elf_Internal_Rela *relend;
2886 int num_relocs;
2887
2888 htab = tilegx_elf_hash_table (info);
2889 BFD_ASSERT (htab != NULL);
2890 symtab_hdr = &elf_symtab_hdr (input_bfd);
2891 sym_hashes = elf_sym_hashes (input_bfd);
2892 local_got_offsets = elf_local_got_offsets (input_bfd);
2893
535127d2
WL		 2894 if (elf_hash_table (info)->hgot == NULL)
2895 got_base = 0;
2896 else
2897 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2898
aa137e4d
NC		 2899 sreloc = elf_section_data (input_section)->sreloc;
2900
2901 rel = relocs;
2902 num_relocs = input_section->reloc_count;
2903 relend = relocs + num_relocs;
2904 for (; rel < relend; rel++)
2905 {
2906 int r_type, tls_type;
6f7be959 2907 bfd_boolean is_tls_iele, is_tls_le;
aa137e4d
NC		 2908 reloc_howto_type *howto;
2909 unsigned long r_symndx;
2910 struct elf_link_hash_entry *h;
2911 Elf_Internal_Sym *sym;
2912 tilegx_create_func create_func;
2913 asection *sec;
2914 bfd_vma relocation;
2915 bfd_reloc_status_type r;
2916 const char *name;
2917 bfd_vma off;
2918 bfd_boolean is_plt = FALSE;
a3cd202a 2919 bfd_boolean resolved_to_zero;
aa137e4d
NC		 2920 bfd_boolean unresolved_reloc;
2921
2922 r_type = TILEGX_ELF_R_TYPE (rel->r_info);
2923 if (r_type == R_TILEGX_GNU_VTINHERIT
2924 || r_type == R_TILEGX_GNU_VTENTRY)
2925 continue;
2926
2927 if ((unsigned int)r_type >= ARRAY_SIZE (tilegx_elf_howto_table))
47aeb64c 2928 return _bfd_unrecognized_reloc (input_bfd, input_section, r_type);
aa137e4d
NC		 2929
2930 howto = tilegx_elf_howto_table + r_type;
2931
2932 /* This is a final link. */
2933 r_symndx = TILEGX_ELF_R_SYMNDX (htab, rel->r_info);
2934 h = NULL;
2935 sym = NULL;
2936 sec = NULL;
2937 unresolved_reloc = FALSE;
2938 if (r_symndx < symtab_hdr->sh_info)
2939 {
2940 sym = local_syms + r_symndx;
2941 sec = local_sections[r_symndx];
2942 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2943 }
2944 else
2945 {
62d887d4
L		 2946 bfd_boolean warned ATTRIBUTE_UNUSED;
2947 bfd_boolean ignored ATTRIBUTE_UNUSED;
aa137e4d
NC		 2948
2949 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2950 r_symndx, symtab_hdr, sym_hashes,
2951 h, sec, relocation,
62d887d4 2952 unresolved_reloc, warned, ignored);
aa137e4d
NC		 2953 if (warned)
2954 {
2955 /* To avoid generating warning messages about truncated
2956 relocations, set the relocation's address to be the same as
2957 the start of this section. */
2958 if (input_section->output_section != NULL)
2959 relocation = input_section->output_section->vma;
2960 else
2961 relocation = 0;
2962 }
2963 }
2964
dbaa2011 2965 if (sec != NULL && discarded_section (sec))
aa137e4d 2966 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 2967 rel, 1, relend, howto, 0, contents);
aa137e4d 2968
0e1862bb 2969 if (bfd_link_relocatable (info))
aa137e4d
NC		 2970 continue;
2971
2972 if (h != NULL)
2973 name = h->root.root.string;
2974 else
2975 {
2976 name = (bfd_elf_string_from_elf_section
2977 (input_bfd, symtab_hdr->sh_link, sym->st_name));
2978 if (name == NULL || *name == '\0')
fd361982 2979 name = bfd_section_name (sec);
aa137e4d
NC		 2980 }
2981
6f7be959
WL		 2982 switch (r_type)
2983 {
2984 case R_TILEGX_TLS_GD_CALL:
2985 case R_TILEGX_IMM8_X0_TLS_GD_ADD:
2986 case R_TILEGX_IMM8_Y0_TLS_GD_ADD:
2987 case R_TILEGX_IMM8_X1_TLS_GD_ADD:
2988 case R_TILEGX_IMM8_Y1_TLS_GD_ADD:
2989 case R_TILEGX_IMM8_X0_TLS_ADD:
2990 case R_TILEGX_IMM8_Y0_TLS_ADD:
2991 case R_TILEGX_IMM8_X1_TLS_ADD:
2992 case R_TILEGX_IMM8_Y1_TLS_ADD:
2993 tls_type = GOT_UNKNOWN;
2994 if (h == NULL && local_got_offsets)
2995 tls_type =
2996 _bfd_tilegx_elf_local_got_tls_type (input_bfd) [r_symndx];
2997 else if (h != NULL)
2998 tls_type = tilegx_elf_hash_entry(h)->tls_type;
2999
28095894 3000 is_tls_iele = (bfd_link_executable (info) || tls_type == GOT_TLS_IE);
6f7be959 3001 is_tls_le = is_tls_iele && (!input_section->sec_flg0
28095894 3002 && bfd_link_executable (info)
6f7be959
WL		 3003 && (h == NULL || h->dynindx == -1));
3004
3005 if (r_type == R_TILEGX_TLS_GD_CALL)
3006 {
3007 if (is_tls_le)
3008 {
3009 /* GD -> LE */
3010 tilegx_replace_insn (contents + rel->r_offset,
3011 insn_mask_X1, insn_move_X0X1);
3012 continue;
3013 }
3014 else if (is_tls_iele)
3015 {
3016 /* GD -> IE */
3017 if (ABI_64_P (output_bfd))
3018 tilegx_replace_insn (contents + rel->r_offset,
3019 insn_mask_X1, insn_tls_ie_ld_X1);
3020 else
3021 tilegx_replace_insn (contents + rel->r_offset,
3022 insn_mask_X1, insn_tls_ie_ld4s_X1);
3023 continue;
3024 }
3025
3026 /* GD -> GD */
3027 h = (struct elf_link_hash_entry *)
3028 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3029 FALSE, TRUE);
3030 BFD_ASSERT (h != NULL);
3031 r_type = R_TILEGX_JUMPOFF_X1_PLT;
3032 howto = tilegx_elf_howto_table + r_type;
3033 }
3034 else if (r_type == R_TILEGX_IMM8_X0_TLS_ADD
3035 || r_type == R_TILEGX_IMM8_X1_TLS_ADD
3036 || r_type == R_TILEGX_IMM8_Y0_TLS_ADD
3037 || r_type == R_TILEGX_IMM8_Y1_TLS_ADD)
3038 {
3039 bfd_boolean is_pipe0 =
3040 (r_type == R_TILEGX_IMM8_X0_TLS_ADD
3041 || r_type == R_TILEGX_IMM8_Y0_TLS_ADD);
3042 bfd_boolean is_X0X1 =
3043 (r_type == R_TILEGX_IMM8_X0_TLS_ADD
3044 || r_type == R_TILEGX_IMM8_X1_TLS_ADD);
3045 int dest_begin = is_pipe0 ? 0 : 31;
3046 int src_begin;
3047 const bfd_byte *insn;
84abc003 3048 const bfd_byte *mask = NULL;
6f7be959
WL		 3049
3050 if (is_tls_le)
3051 {
3052 /* 1. copy dest operand into the first source operand.
3053 2. change the opcode to "move". */
3054 src_begin = is_pipe0 ? 6 : 37;
3055 insn = is_X0X1 ? insn_move_X0X1 : insn_move_Y0Y1;
3056
3057 switch (r_type)
3058 {
3059 case R_TILEGX_IMM8_X0_TLS_ADD:
3060 mask = insn_mask_X0_no_dest_no_srca;
3061 break;
3062 case R_TILEGX_IMM8_X1_TLS_ADD:
3063 mask = insn_mask_X1_no_dest_no_srca;
3064 break;
3065 case R_TILEGX_IMM8_Y0_TLS_ADD:
3066 mask = insn_mask_Y0_no_dest_no_srca;
3067 break;
3068 case R_TILEGX_IMM8_Y1_TLS_ADD:
3069 mask = insn_mask_Y1_no_dest_no_srca;
3070 break;
3071 }
3072 }
3073 else
3074 {
3075 /* 1. copy dest operand into the second source operand.
3076 2. change the opcode to "add". */
3077 src_begin = is_pipe0 ? 12 : 43;
3078 if (ABI_64_P (output_bfd))
3079 insn = is_X0X1 ? insn_add_X0X1 : insn_add_Y0Y1;
3080 else
3081 insn = is_X0X1 ? insn_addx_X0X1 : insn_addx_Y0Y1;
3082
3083 switch (r_type)
3084 {
3085 case R_TILEGX_IMM8_X0_TLS_ADD:
3086 mask = insn_mask_X0_no_operand;
3087 break;
3088 case R_TILEGX_IMM8_X1_TLS_ADD:
3089 mask = insn_mask_X1_no_operand;
3090 break;
3091 case R_TILEGX_IMM8_Y0_TLS_ADD:
3092 mask = insn_mask_Y0_no_operand;
3093 break;
3094 case R_TILEGX_IMM8_Y1_TLS_ADD:
3095 mask = insn_mask_Y1_no_operand;
3096 break;
3097 }
3098 }
3099
3100 tilegx_copy_bits (contents + rel->r_offset, dest_begin,
3101 src_begin, 6);
3102 tilegx_replace_insn (contents + rel->r_offset, mask, insn);
3103
3104 continue;
3105 }
3106 else
3107 {
3108 const bfd_byte *mask = NULL;
3109 const bfd_byte *add_insn = NULL;
3110 bfd_boolean is_64bit = ABI_64_P (output_bfd);
3111
3112 switch (r_type)
3113 {
3114 case R_TILEGX_IMM8_X0_TLS_GD_ADD:
3115 add_insn = is_tls_iele
3116 ? (is_64bit ? insn_tls_ie_add_X0X1 : insn_tls_ie_addx_X0X1)
3117 : insn_tls_gd_add_X0X1;
3118 mask = insn_mask_X0_no_dest_no_srca;
3119 break;
3120 case R_TILEGX_IMM8_X1_TLS_GD_ADD:
3121 add_insn = is_tls_iele
3122 ? (is_64bit ? insn_tls_ie_add_X0X1 : insn_tls_ie_addx_X0X1)
3123 : insn_tls_gd_add_X0X1;
3124 mask = insn_mask_X1_no_dest_no_srca;
3125 break;
3126 case R_TILEGX_IMM8_Y0_TLS_GD_ADD:
3127 add_insn = is_tls_iele
3128 ? (is_64bit ? insn_tls_ie_add_Y0Y1 : insn_tls_ie_addx_Y0Y1)
3129 : insn_tls_gd_add_Y0Y1;
3130 mask = insn_mask_Y0_no_dest_no_srca;
3131 break;
3132 case R_TILEGX_IMM8_Y1_TLS_GD_ADD:
3133 add_insn = is_tls_iele
3134 ? (is_64bit ? insn_tls_ie_add_Y0Y1 : insn_tls_ie_addx_Y0Y1)
3135 : insn_tls_gd_add_Y0Y1;
3136 mask = insn_mask_Y1_no_dest_no_srca;
3137 break;
3138 }
3139
3140 tilegx_replace_insn (contents + rel->r_offset, mask, add_insn);
3141
3142 continue;
3143 }
3144 break;
3145 case R_TILEGX_TLS_IE_LOAD:
3146 if (!input_section->sec_flg0
28095894 3147 && bfd_link_executable (info)
6f7be959
WL		 3148 && (h == NULL || h->dynindx == -1))
3149 {
3150 /* IE -> LE */
3151 tilegx_replace_insn (contents + rel->r_offset,
3152 insn_mask_X1_no_dest_no_srca,
3153 insn_move_X0X1);
3154 }
3155 else
3156 {
3157 /* IE -> IE */
3158 if (ABI_64_P (output_bfd))
3159 tilegx_replace_insn (contents + rel->r_offset,
3160 insn_mask_X1_no_dest_no_srca,
3161 insn_tls_ie_ld_X1);
3162 else
3163 tilegx_replace_insn (contents + rel->r_offset,
3164 insn_mask_X1_no_dest_no_srca,
3165 insn_tls_ie_ld4s_X1);
3166 }
3167 continue;
3168 break;
3169 default:
3170 break;
3171 }
3172
a3cd202a
L		 3173 resolved_to_zero = (h != NULL
3174 && UNDEFWEAK_NO_DYNAMIC_RELOC (info, h));
3175
aa137e4d
NC		 3176 switch (r_type)
3177 {
3178 case R_TILEGX_IMM16_X0_HW0_GOT:
3179 case R_TILEGX_IMM16_X1_HW0_GOT:
aa137e4d
NC		 3180 case R_TILEGX_IMM16_X0_HW0_LAST_GOT:
3181 case R_TILEGX_IMM16_X1_HW0_LAST_GOT:
3182 case R_TILEGX_IMM16_X0_HW1_LAST_GOT:
3183 case R_TILEGX_IMM16_X1_HW1_LAST_GOT:
aa137e4d
NC		 3184 /* Relocation is to the entry for this symbol in the global
3185 offset table. */
3186 if (htab->elf.sgot == NULL)
3187 abort ();
3188
3189 if (h != NULL)
3190 {
3191 bfd_boolean dyn;
3192
3193 off = h->got.offset;
3194 BFD_ASSERT (off != (bfd_vma) -1);
3195 dyn = elf_hash_table (info)->dynamic_sections_created;
3196
0e1862bb
L		 3197 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3198 bfd_link_pic (info),
3199 h)
3200 || (bfd_link_pic (info)
aa137e4d
NC		 3201 && SYMBOL_REFERENCES_LOCAL (info, h)))
3202 {
3203 /* This is actually a static link, or it is a
3204 -Bsymbolic link and the symbol is defined
3205 locally, or the symbol was forced to be local
3206 because of a version file. We must initialize
3207 this entry in the global offset table. Since the
3208 offset must always be a multiple
3209 of 8 for 64-bit, we use the least significant bit
3210 to record whether we have initialized it already.
3211
3212 When doing a dynamic link, we create a .rela.got
3213 relocation entry to initialize the value. This
3214 is done in the finish_dynamic_symbol routine. */
3215 if ((off & 1) != 0)
3216 off &= ~1;
3217 else
3218 {
3219 TILEGX_ELF_PUT_WORD (htab, output_bfd, relocation,
3220 htab->elf.sgot->contents + off);
3221 h->got.offset |= 1;
3222 }
3223 }
3224 else
3225 unresolved_reloc = FALSE;
3226 }
3227 else
3228 {
3229 BFD_ASSERT (local_got_offsets != NULL
3230 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3231
3232 off = local_got_offsets[r_symndx];
3233
3234 /* The offset must always be a multiple of 8 on 64-bit.
07d6d2b8 3235 We use the least significant bit to record
aa137e4d
NC		 3236 whether we have already processed this entry. */
3237 if ((off & 1) != 0)
3238 off &= ~1;
3239 else
3240 {
0e1862bb 3241 if (bfd_link_pic (info))
aa137e4d
NC		 3242 {
3243 asection *s;
3244 Elf_Internal_Rela outrel;
3245
3246 /* We need to generate a R_TILEGX_RELATIVE reloc
3247 for the dynamic linker. */
3248 s = htab->elf.srelgot;
3249 BFD_ASSERT (s != NULL);
3250
3251 outrel.r_offset = (htab->elf.sgot->output_section->vma
3252 + htab->elf.sgot->output_offset
3253 + off);
3254 outrel.r_info =
3255 TILEGX_ELF_R_INFO (htab, NULL, 0, R_TILEGX_RELATIVE);
3256 outrel.r_addend = relocation;
3257 relocation = 0;
3258 tilegx_elf_append_rela (output_bfd, s, &outrel);
3259 }
3260
3261 TILEGX_ELF_PUT_WORD (htab, output_bfd, relocation,
3262 htab->elf.sgot->contents + off);
3263 local_got_offsets[r_symndx] |= 1;
3264 }
3265 }
535127d2 3266 relocation = off - got_base;
aa137e4d
NC		 3267 break;
3268
07d6d2b8 3269 case R_TILEGX_JUMPOFF_X1_PLT:
e5b95258
WL		 3270 case R_TILEGX_IMM16_X0_HW0_PLT_PCREL:
3271 case R_TILEGX_IMM16_X1_HW0_PLT_PCREL:
3272 case R_TILEGX_IMM16_X0_HW1_PLT_PCREL:
3273 case R_TILEGX_IMM16_X1_HW1_PLT_PCREL:
3274 case R_TILEGX_IMM16_X0_HW2_PLT_PCREL:
3275 case R_TILEGX_IMM16_X1_HW2_PLT_PCREL:
3276 case R_TILEGX_IMM16_X0_HW3_PLT_PCREL:
3277 case R_TILEGX_IMM16_X1_HW3_PLT_PCREL:
3278 case R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL:
3279 case R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL:
3280 case R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL:
3281 case R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL:
3282 case R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL:
3283 case R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL:
aa137e4d
NC		 3284 /* Relocation is to the entry for this symbol in the
3285 procedure linkage table. */
07d6d2b8 3286 BFD_ASSERT (h != NULL);
aa137e4d
NC		 3287
3288 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3289 {
3290 /* We didn't make a PLT entry for this symbol. This
3291 happens when statically linking PIC code, or when
3292 using -Bsymbolic. */
3293 break;
3294 }
3295
3296 relocation = (htab->elf.splt->output_section->vma
3297 + htab->elf.splt->output_offset
3298 + h->plt.offset);
3299 unresolved_reloc = FALSE;
3300 break;
3301
07d6d2b8
AM		 3302 case R_TILEGX_64_PCREL:
3303 case R_TILEGX_32_PCREL:
3304 case R_TILEGX_16_PCREL:
3305 case R_TILEGX_8_PCREL:
aa137e4d
NC		 3306 case R_TILEGX_IMM16_X0_HW0_PCREL:
3307 case R_TILEGX_IMM16_X1_HW0_PCREL:
3308 case R_TILEGX_IMM16_X0_HW1_PCREL:
3309 case R_TILEGX_IMM16_X1_HW1_PCREL:
3310 case R_TILEGX_IMM16_X0_HW2_PCREL:
3311 case R_TILEGX_IMM16_X1_HW2_PCREL:
3312 case R_TILEGX_IMM16_X0_HW3_PCREL:
3313 case R_TILEGX_IMM16_X1_HW3_PCREL:
3314 case R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
3315 case R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
3316 case R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
3317 case R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
3318 case R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
3319 case R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
3320 if (h != NULL
3321 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3322 break;
3323 /* Fall through. */
07d6d2b8
AM		 3324 case R_TILEGX_64:
3325 case R_TILEGX_32:
3326 case R_TILEGX_16:
3327 case R_TILEGX_8:
aa137e4d
NC		 3328 case R_TILEGX_HW0:
3329 case R_TILEGX_HW1:
3330 case R_TILEGX_HW2:
3331 case R_TILEGX_HW3:
3332 case R_TILEGX_HW0_LAST:
3333 case R_TILEGX_HW1_LAST:
3334 case R_TILEGX_HW2_LAST:
07d6d2b8
AM		 3335 case R_TILEGX_COPY:
3336 case R_TILEGX_GLOB_DAT:
3337 case R_TILEGX_JMP_SLOT:
3338 case R_TILEGX_RELATIVE:
3339 case R_TILEGX_BROFF_X1:
3340 case R_TILEGX_JUMPOFF_X1:
3341 case R_TILEGX_IMM8_X0:
3342 case R_TILEGX_IMM8_Y0:
3343 case R_TILEGX_IMM8_X1:
3344 case R_TILEGX_IMM8_Y1:
3345 case R_TILEGX_DEST_IMM8_X1:
3346 case R_TILEGX_MT_IMM14_X1:
3347 case R_TILEGX_MF_IMM14_X1:
3348 case R_TILEGX_MMSTART_X0:
3349 case R_TILEGX_MMEND_X0:
3350 case R_TILEGX_SHAMT_X0:
3351 case R_TILEGX_SHAMT_X1:
3352 case R_TILEGX_SHAMT_Y0:
3353 case R_TILEGX_SHAMT_Y1:
aa137e4d
NC		 3354 case R_TILEGX_IMM16_X0_HW0:
3355 case R_TILEGX_IMM16_X1_HW0:
3356 case R_TILEGX_IMM16_X0_HW1:
3357 case R_TILEGX_IMM16_X1_HW1:
3358 case R_TILEGX_IMM16_X0_HW2:
3359 case R_TILEGX_IMM16_X1_HW2:
3360 case R_TILEGX_IMM16_X0_HW3:
3361 case R_TILEGX_IMM16_X1_HW3:
3362 case R_TILEGX_IMM16_X0_HW0_LAST:
3363 case R_TILEGX_IMM16_X1_HW0_LAST:
3364 case R_TILEGX_IMM16_X0_HW1_LAST:
3365 case R_TILEGX_IMM16_X1_HW1_LAST:
3366 case R_TILEGX_IMM16_X0_HW2_LAST:
3367 case R_TILEGX_IMM16_X1_HW2_LAST:
3368 if ((input_section->flags & SEC_ALLOC) == 0)
3369 break;
3370
0e1862bb 3371 if ((bfd_link_pic (info)
aa137e4d 3372 && (h == NULL
a3cd202a
L		 3373 || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3374 && !resolved_to_zero)
aa137e4d
NC		 3375 || h->root.type != bfd_link_hash_undefweak)
3376 && (! howto->pc_relative
3377 || !SYMBOL_CALLS_LOCAL (info, h)))
0e1862bb 3378 || (!bfd_link_pic (info)
aa137e4d
NC		 3379 && h != NULL
3380 && h->dynindx != -1
3381 && !h->non_got_ref
3382 && ((h->def_dynamic
3383 && !h->def_regular)
3384 || h->root.type == bfd_link_hash_undefweak
3385 || h->root.type == bfd_link_hash_undefined)))
3386 {
3387 Elf_Internal_Rela outrel;
3388 bfd_boolean skip, relocate = FALSE;
3389
3390 /* When generating a shared object, these relocations
3391 are copied into the output file to be resolved at run
3392 time. */
3393
3394 BFD_ASSERT (sreloc != NULL);
3395
3396 skip = FALSE;
3397
3398 outrel.r_offset =
3399 _bfd_elf_section_offset (output_bfd, info, input_section,
3400 rel->r_offset);
3401 if (outrel.r_offset == (bfd_vma) -1)
3402 skip = TRUE;
3403 else if (outrel.r_offset == (bfd_vma) -2)
3404 skip = TRUE, relocate = TRUE;
3405 outrel.r_offset += (input_section->output_section->vma
3406 + input_section->output_offset);
3407
3408 switch (r_type)
3409 {
07d6d2b8
AM		 3410 case R_TILEGX_64_PCREL:
3411 case R_TILEGX_32_PCREL:
3412 case R_TILEGX_16_PCREL:
3413 case R_TILEGX_8_PCREL:
aa137e4d
NC		 3414 /* If the symbol is not dynamic, we should not keep
3415 a dynamic relocation. But an .rela.* slot has been
3416 allocated for it, output R_TILEGX_NONE.
3417 FIXME: Add code tracking needed dynamic relocs as
3418 e.g. i386 has. */
3419 if (h->dynindx == -1)
3420 skip = TRUE, relocate = TRUE;
3421 break;
3422 }
3423
3424 if (skip)
3425 memset (&outrel, 0, sizeof outrel);
3426 /* h->dynindx may be -1 if the symbol was marked to
3427 become local. */
3428 else if (h != NULL &&
3429 h->dynindx != -1
3430 && (! is_plt
0e1862bb 3431 || !bfd_link_pic (info)
aa137e4d
NC		 3432 || !SYMBOLIC_BIND (info, h)
3433 || !h->def_regular))
3434 {
3435 BFD_ASSERT (h->dynindx != -1);
3436 outrel.r_info = TILEGX_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3437 outrel.r_addend = rel->r_addend;
3438 }
3439 else
3440 {
3441 if (r_type == R_TILEGX_32 || r_type == R_TILEGX_64)
3442 {
3443 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0,
3444 R_TILEGX_RELATIVE);
3445 outrel.r_addend = relocation + rel->r_addend;
3446 }
3447 else
3448 {
3449 long indx;
3450
3451 outrel.r_addend = relocation + rel->r_addend;
3452
3453 if (is_plt)
3454 sec = htab->elf.splt;
3455
3456 if (bfd_is_abs_section (sec))
3457 indx = 0;
3458 else if (sec == NULL || sec->owner == NULL)
3459 {
3460 bfd_set_error (bfd_error_bad_value);
3461 return FALSE;
3462 }
3463 else
3464 {
3465 asection *osec;
3466
3467 /* We are turning this relocation into one
3468 against a section symbol. It would be
3469 proper to subtract the symbol's value,
3470 osec->vma, from the emitted reloc addend,
3471 but ld.so expects buggy relocs. */
3472 osec = sec->output_section;
3473 indx = elf_section_data (osec)->dynindx;
3474
3475 if (indx == 0)
3476 {
3477 osec = htab->elf.text_index_section;
3478 indx = elf_section_data (osec)->dynindx;
3479 }
3480
3481 /* FIXME: we really should be able to link non-pic
3482 shared libraries. */
3483 if (indx == 0)
3484 {
3485 BFD_FAIL ();
4eca0228 3486 _bfd_error_handler
871b3ab2 3487 (_("%pB: probably compiled without -fPIC?"),
aa137e4d
NC		 3488 input_bfd);
3489 bfd_set_error (bfd_error_bad_value);
3490 return FALSE;
3491 }
3492 }
3493
3494 outrel.r_info = TILEGX_ELF_R_INFO (htab, rel, indx,
3495 r_type);
3496 }
3497 }
3498
3499 tilegx_elf_append_rela (output_bfd, sreloc, &outrel);
3500
3501 /* This reloc will be computed at runtime, so there's no
3502 need to do anything now. */
3503 if (! relocate)
3504 continue;
3505 }
3506 break;
3507
07d6d2b8
AM		 3508 case R_TILEGX_IMM16_X0_HW0_TLS_LE:
3509 case R_TILEGX_IMM16_X1_HW0_TLS_LE:
3510 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE:
3511 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE:
3512 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE:
3513 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE:
28095894 3514 if (!bfd_link_executable (info))
6f7be959
WL		 3515 {
3516 Elf_Internal_Rela outrel;
3517 bfd_boolean skip;
3518
3519 BFD_ASSERT (sreloc != NULL);
3520 skip = FALSE;
3521 outrel.r_offset =
3522 _bfd_elf_section_offset (output_bfd, info, input_section,
3523 rel->r_offset);
3524 if (outrel.r_offset == (bfd_vma) -1)
3525 skip = TRUE;
3526 else if (outrel.r_offset == (bfd_vma) -2)
3527 skip = TRUE;
3528 outrel.r_offset += (input_section->output_section->vma
3529 + input_section->output_offset);
3530 if (skip)
3531 memset (&outrel, 0, sizeof outrel);
3532 else
3533 {
3534 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0, r_type);
3535 outrel.r_addend = relocation - dtpoff_base (info)
3536 + rel->r_addend;
3537 }
3538
3539 tilegx_elf_append_rela (output_bfd, sreloc, &outrel);
3540 continue;
3541 }
3542 relocation = tpoff (info, relocation);
3543 break;
3544
07d6d2b8
AM		 3545 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
3546 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
3547 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
3548 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
3549 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
3550 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
3551 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
3552 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
3553 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
3554 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
3555 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
3556 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
6f7be959
WL		 3557 r_type = tilegx_elf_tls_transition (info, r_type, h == NULL,
3558 input_section->sec_flg0);
07d6d2b8 3559 tls_type = GOT_UNKNOWN;
aa137e4d 3560 if (h == NULL && local_got_offsets)
6f7be959
WL		 3561 tls_type =
3562 _bfd_tilegx_elf_local_got_tls_type (input_bfd) [r_symndx];
aa137e4d 3563 else if (h != NULL)
6f7be959
WL		 3564 {
3565 tls_type = tilegx_elf_hash_entry(h)->tls_type;
28095894 3566 if (bfd_link_executable (info)
0e1862bb
L		 3567 && h->dynindx == -1
3568 && tls_type == GOT_TLS_IE)
6f7be959
WL		 3569 r_type = (!input_section->sec_flg0
3570 ? tilegx_tls_translate_to_le (r_type)
3571 : tilegx_tls_translate_to_ie (r_type));
3572 }
aa137e4d
NC		 3573
3574 if (tls_type == GOT_TLS_IE)
6f7be959
WL		 3575 r_type = tilegx_tls_translate_to_ie (r_type);
3576
3577 if (r_type == R_TILEGX_IMM16_X0_HW0_TLS_LE
3578 || r_type == R_TILEGX_IMM16_X1_HW0_TLS_LE
3579 || r_type == R_TILEGX_IMM16_X0_HW0_LAST_TLS_LE
3580 || r_type == R_TILEGX_IMM16_X1_HW0_LAST_TLS_LE
3581 || r_type == R_TILEGX_IMM16_X0_HW1_LAST_TLS_LE
3582 || r_type == R_TILEGX_IMM16_X1_HW1_LAST_TLS_LE)
3583 {
3584 relocation = tpoff (info, relocation);
3585 break;
3586 }
aa137e4d
NC		 3587
3588 if (h != NULL)
3589 {
3590 off = h->got.offset;
3591 h->got.offset |= 1;
3592 }
3593 else
3594 {
3595 BFD_ASSERT (local_got_offsets != NULL);
3596 off = local_got_offsets[r_symndx];
3597 local_got_offsets[r_symndx] |= 1;
3598 }
3599
3600 if (htab->elf.sgot == NULL)
3601 abort ();
3602
3603 if ((off & 1) != 0)
3604 off &= ~1;
3605 else
3606 {
3607 Elf_Internal_Rela outrel;
3608 int indx = 0;
3609 bfd_boolean need_relocs = FALSE;
3610
3611 if (htab->elf.srelgot == NULL)
3612 abort ();
3613
3614 if (h != NULL)
3615 {
07d6d2b8
AM		 3616 bfd_boolean dyn;
3617 dyn = htab->elf.dynamic_sections_created;
aa137e4d 3618
0e1862bb
L		 3619 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3620 bfd_link_pic (info),
3621 h)
3622 && (!bfd_link_pic (info)
aa137e4d
NC		 3623 || !SYMBOL_REFERENCES_LOCAL (info, h)))
3624 {
3625 indx = h->dynindx;
3626 }
3627 }
3628
3629 /* The GOT entries have not been initialized yet. Do it
07d6d2b8 3630 now, and emit any relocations. */
0e1862bb 3631 if ((bfd_link_pic (info) || indx != 0)
aa137e4d
NC		 3632 && (h == NULL
3633 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3634 || h->root.type != bfd_link_hash_undefweak))
3635 need_relocs = TRUE;
3636
07d6d2b8
AM		 3637 switch (r_type)
3638 {
aa137e4d
NC		 3639 case R_TILEGX_IMM16_X0_HW0_TLS_IE:
3640 case R_TILEGX_IMM16_X1_HW0_TLS_IE:
aa137e4d
NC		 3641 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
3642 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
3643 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
3644 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
aa137e4d
NC		 3645 if (need_relocs) {
3646 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3647 htab->elf.sgot->contents + off);
07d6d2b8 3648 outrel.r_offset = (htab->elf.sgot->output_section->vma
aa137e4d 3649 + htab->elf.sgot->output_offset + off);
07d6d2b8 3650 outrel.r_addend = 0;
aa137e4d 3651 if (indx == 0)
07d6d2b8 3652 outrel.r_addend = relocation - dtpoff_base (info);
aa137e4d
NC		 3653 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
3654 TILEGX_ELF_TPOFF_RELOC (htab));
3655 tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
07d6d2b8 3656 } else {
aa137e4d
NC		 3657 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3658 tpoff (info, relocation),
3659 htab->elf.sgot->contents + off);
07d6d2b8
AM		 3660 }
3661 break;
aa137e4d
NC		 3662
3663 case R_TILEGX_IMM16_X0_HW0_TLS_GD:
3664 case R_TILEGX_IMM16_X1_HW0_TLS_GD:
aa137e4d
NC		 3665 case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
3666 case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
3667 case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
3668 case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
aa137e4d 3669 if (need_relocs) {
07d6d2b8 3670 outrel.r_offset = (htab->elf.sgot->output_section->vma
aa137e4d 3671 + htab->elf.sgot->output_offset + off);
07d6d2b8
AM		 3672 outrel.r_addend = 0;
3673 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
aa137e4d
NC		 3674 TILEGX_ELF_DTPMOD_RELOC (htab));
3675 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3676 htab->elf.sgot->contents + off);
07d6d2b8 3677 tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
aa137e4d 3678 if (indx == 0)
07d6d2b8
AM		 3679 {
3680 BFD_ASSERT (! unresolved_reloc);
aa137e4d
NC		 3681 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3682 relocation - dtpoff_base (info),
3683 (htab->elf.sgot->contents + off +
3684 TILEGX_ELF_WORD_BYTES (htab)));
07d6d2b8 3685 }
aa137e4d 3686 else
07d6d2b8 3687 {
aa137e4d
NC		 3688 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3689 (htab->elf.sgot->contents + off +
3690 TILEGX_ELF_WORD_BYTES (htab)));
07d6d2b8 3691 outrel.r_info = TILEGX_ELF_R_INFO (htab, NULL, indx,
aa137e4d 3692 TILEGX_ELF_DTPOFF_RELOC (htab));
07d6d2b8
AM		 3693 outrel.r_offset += TILEGX_ELF_WORD_BYTES (htab);
3694 tilegx_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3695 }
3696 }
aa137e4d
NC		 3697
3698 else {
3699 /* If we are not emitting relocations for a
07d6d2b8
AM		 3700 general dynamic reference, then we must be in a
3701 static link or an executable link with the
3702 symbol binding locally. Mark it as belonging
3703 to module 1, the executable. */
aa137e4d
NC		 3704 TILEGX_ELF_PUT_WORD (htab, output_bfd, 1,
3705 htab->elf.sgot->contents + off );
3706 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3707 relocation - dtpoff_base (info),
3708 htab->elf.sgot->contents + off +
3709 TILEGX_ELF_WORD_BYTES (htab));
3710 }
07d6d2b8
AM		 3711 break;
3712 }
aa137e4d
NC		 3713 }
3714
3715 if (off >= (bfd_vma) -2)
3716 abort ();
3717
535127d2 3718 relocation = off - got_base;
aa137e4d
NC		 3719 unresolved_reloc = FALSE;
3720 howto = tilegx_elf_howto_table + r_type;
3721 break;
3722
3723 default:
3724 break;
3725 }
3726
3727 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3728 because such sections are not SEC_ALLOC and thus ld.so will
3729 not process them. */
3730 if (unresolved_reloc
3731 && !((input_section->flags & SEC_DEBUGGING) != 0
1d5316ab
AM		 3732 && h->def_dynamic)
3733 && _bfd_elf_section_offset (output_bfd, info, input_section,
3734 rel->r_offset) != (bfd_vma) -1)
4eca0228 3735 _bfd_error_handler
695344c0 3736 /* xgettext:c-format */
2dcf00ce
AM		 3737 (_("%pB(%pA+%#" PRIx64 "): "
3738 "unresolvable %s relocation against symbol `%s'"),
aa137e4d
NC		 3739 input_bfd,
3740 input_section,
2dcf00ce 3741 (uint64_t) rel->r_offset,
aa137e4d
NC		 3742 howto->name,
3743 h->root.root.string);
3744
3745 r = bfd_reloc_continue;
3746
3747 /* Get the operand creation function, if any. */
3748 create_func = reloc_to_create_func[r_type];
3749 if (create_func == NULL)
3750 {
07d6d2b8
AM		 3751 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3752 contents, rel->r_offset,
3753 relocation, rel->r_addend);
aa137e4d
NC		 3754 }
3755 else
3756 {
07d6d2b8
AM		 3757 if (howto->pc_relative)
3758 {
3759 relocation -=
3760 input_section->output_section->vma + input_section->output_offset;
3761 if (howto->pcrel_offset)
3762 relocation -= rel->r_offset;
3763 }
3764
3765 bfd_byte *data;
3766
3767 /* Add the relocation addend if any to the final target value */
3768 relocation += rel->r_addend;
3769
3770 /* Do basic range checking */
3771 r = bfd_check_overflow (howto->complain_on_overflow,
3772 howto->bitsize,
3773 howto->rightshift,
3774 TILEGX_ELF_WORD_BYTES (htab) * 8,
3775 relocation);
3776
3777 /*
3778 * Write the relocated value out into the raw section data.
3779 * Don't put a relocation out in the .rela section.
3780 */
3781 tilegx_bundle_bits mask = create_func(-1);
3782 tilegx_bundle_bits value = create_func(relocation >> howto->rightshift);
3783
3784 /* Only touch bytes while the mask is not 0, so we
3785 don't write to out of bounds memory if this is actually
3786 a 16-bit switch instruction. */
3787 for (data = contents + rel->r_offset; mask != 0; data++)
3788 {
3789 bfd_byte byte_mask = (bfd_byte)mask;
3790 *data = (*data & ~byte_mask) | ((bfd_byte)value & byte_mask);
3791 mask >>= 8;
3792 value >>= 8;
3793 }
aa137e4d
NC		 3794 }
3795
3796 if (r != bfd_reloc_ok)
3797 {
3798 const char *msg = NULL;
3799
3800 switch (r)
3801 {
3802 case bfd_reloc_overflow:
1a72702b 3803 (*info->callbacks->reloc_overflow)
aa137e4d
NC		 3804 (info, (h ? &h->root : NULL), name, howto->name,
3805 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
3806 break;
3807
3808 case bfd_reloc_undefined:
1a72702b
AM		 3809 (*info->callbacks->undefined_symbol)
3810 (info, name, input_bfd, input_section, rel->r_offset, TRUE);
aa137e4d
NC		 3811 break;
3812
3813 case bfd_reloc_outofrange:
3814 msg = _("internal error: out of range error");
3815 break;
3816
3817 case bfd_reloc_notsupported:
3818 msg = _("internal error: unsupported relocation error");
3819 break;
3820
3821 case bfd_reloc_dangerous:
3822 msg = _("internal error: dangerous relocation");
3823 break;
3824
3825 default:
3826 msg = _("internal error: unknown error");
3827 break;
3828 }
3829
3830 if (msg)
1a72702b
AM		 3831 (*info->callbacks->warning) (info, msg, name, input_bfd,
3832 input_section, rel->r_offset);
aa137e4d
NC		 3833 }
3834 }
3835
3836 return TRUE;
3837}
3838
3839/* Finish up dynamic symbol handling. We set the contents of various
3840 dynamic sections here. */
3841
3842bfd_boolean
3843tilegx_elf_finish_dynamic_symbol (bfd *output_bfd,
3844 struct bfd_link_info *info,
3845 struct elf_link_hash_entry *h,
3846 Elf_Internal_Sym *sym)
3847{
3848 struct tilegx_elf_link_hash_table *htab;
3849
3850 htab = tilegx_elf_hash_table (info);
3851 BFD_ASSERT (htab != NULL);
3852
3853 if (h->plt.offset != (bfd_vma) -1)
3854 {
3855 asection *splt;
3856 asection *srela;
3857 asection *sgotplt;
3858 Elf_Internal_Rela rela;
3859 bfd_byte *loc;
3860 bfd_vma r_offset;
3861 const struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
3862
3863
3864 int rela_index;
3865
3866 /* This symbol has an entry in the PLT. Set it up. */
3867
3868 BFD_ASSERT (h->dynindx != -1);
3869
3870 splt = htab->elf.splt;
3871 srela = htab->elf.srelplt;
3872 sgotplt = htab->elf.sgotplt;
3873
3874 if (splt == NULL || srela == NULL)
3875 abort ();
3876
3877 /* Fill in the entry in the procedure linkage table. */
3878 rela_index = tilegx_plt_entry_build (output_bfd, htab, splt, sgotplt,
3879 h->plt.offset, &r_offset);
3880
3881 /* Fill in the entry in the global offset table, which initially points
3882 to the beginning of the plt. */
3883 TILEGX_ELF_PUT_WORD (htab, output_bfd,
3884 splt->output_section->vma + splt->output_offset,
3885 sgotplt->contents + r_offset);
3886
3887 /* Fill in the entry in the .rela.plt section. */
3888 rela.r_offset = (sgotplt->output_section->vma
3889 + sgotplt->output_offset
3890 + r_offset);
3891 rela.r_addend = 0;
3892 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_JMP_SLOT);
3893
3894 loc = srela->contents + rela_index * TILEGX_ELF_RELA_BYTES (htab);
3895 bed->s->swap_reloca_out (output_bfd, &rela, loc);
3896
3897 if (!h->def_regular)
3898 {
3899 /* Mark the symbol as undefined, rather than as defined in
3900 the .plt section. Leave the value alone. */
3901 sym->st_shndx = SHN_UNDEF;
3902 /* If the symbol is weak, we do need to clear the value.
3903 Otherwise, the PLT entry would provide a definition for
3904 the symbol even if the symbol wasn't defined anywhere,
3905 and so the symbol would never be NULL. */
3906 if (!h->ref_regular_nonweak)
3907 sym->st_value = 0;
3908 }
3909 }
3910
3911 if (h->got.offset != (bfd_vma) -1
3912 && tilegx_elf_hash_entry(h)->tls_type != GOT_TLS_GD
3913 && tilegx_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
3914 {
3915 asection *sgot;
3916 asection *srela;
3917 Elf_Internal_Rela rela;
3918
3919 /* This symbol has an entry in the GOT. Set it up. */
3920
3921 sgot = htab->elf.sgot;
3922 srela = htab->elf.srelgot;
3923 BFD_ASSERT (sgot != NULL && srela != NULL);
3924
3925 rela.r_offset = (sgot->output_section->vma
3926 + sgot->output_offset
3927 + (h->got.offset &~ (bfd_vma) 1));
3928
3929 /* If this is a -Bsymbolic link, and the symbol is defined
3930 locally, we just want to emit a RELATIVE reloc. Likewise if
3931 the symbol was forced to be local because of a version file.
3932 The entry in the global offset table will already have been
3933 initialized in the relocate_section function. */
0e1862bb 3934 if (bfd_link_pic (info)
aa137e4d
NC		 3935 && (info->symbolic || h->dynindx == -1)
3936 && h->def_regular)
3937 {
3938 asection *sec = h->root.u.def.section;
3939 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, 0, R_TILEGX_RELATIVE);
3940 rela.r_addend = (h->root.u.def.value
3941 + sec->output_section->vma
3942 + sec->output_offset);
3943 }
3944 else
3945 {
3946 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_GLOB_DAT);
3947 rela.r_addend = 0;
3948 }
3949
3950 TILEGX_ELF_PUT_WORD (htab, output_bfd, 0,
3951 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
3952 tilegx_elf_append_rela (output_bfd, srela, &rela);
3953 }
3954
3955 if (h->needs_copy)
3956 {
3957 asection *s;
3958 Elf_Internal_Rela rela;
3959
3960 /* This symbols needs a copy reloc. Set it up. */
3961 BFD_ASSERT (h->dynindx != -1);
3962
afbf7e8e 3963 if (h->root.u.def.section == htab->elf.sdynrelro)
5474d94f
AM		 3964 s = htab->elf.sreldynrelro;
3965 else
3966 s = htab->elf.srelbss;
aa137e4d
NC		 3967 BFD_ASSERT (s != NULL);
3968
3969 rela.r_offset = (h->root.u.def.value
3970 + h->root.u.def.section->output_section->vma
3971 + h->root.u.def.section->output_offset);
3972 rela.r_info = TILEGX_ELF_R_INFO (htab, NULL, h->dynindx, R_TILEGX_COPY);
3973 rela.r_addend = 0;
3974 tilegx_elf_append_rela (output_bfd, s, &rela);
3975 }
3976
3977 /* Mark some specially defined symbols as absolute. */
9637f6ef 3978 if (h == htab->elf.hdynamic
aa137e4d
NC		 3979 || (h == htab->elf.hgot || h == htab->elf.hplt))
3980 sym->st_shndx = SHN_ABS;
3981
3982 return TRUE;
3983}
3984
3985/* Finish up the dynamic sections. */
3986
3987static bfd_boolean
3988tilegx_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
3989 bfd *dynobj, asection *sdyn,
3990 asection *splt ATTRIBUTE_UNUSED)
3991{
3992 struct tilegx_elf_link_hash_table *htab;
3993 const struct elf_backend_data *bed;
3994 bfd_byte *dyncon, *dynconend;
3995 size_t dynsize;
aa137e4d
NC		 3996
3997 htab = tilegx_elf_hash_table (info);
3998 BFD_ASSERT (htab != NULL);
3999 bed = get_elf_backend_data (output_bfd);
4000 dynsize = bed->s->sizeof_dyn;
4001 dynconend = sdyn->contents + sdyn->size;
aa137e4d
NC		 4002
4003 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4004 {
4005 Elf_Internal_Dyn dyn;
4006 asection *s;
4007
4008 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4009
4010 switch (dyn.d_tag)
4011 {
4012 case DT_PLTGOT:
4013 s = htab->elf.sgotplt;
4014 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4015 break;
4016 case DT_JMPREL:
4017 s = htab->elf.srelplt;
4018 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
4019 break;
4020 case DT_PLTRELSZ:
4021 s = htab->elf.srelplt;
4022 dyn.d_un.d_val = s->size;
4023 break;
4024 default:
4025 continue;
4026 }
4027
4028 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4029 }
4030 return TRUE;
4031}
4032
4033bfd_boolean
4034tilegx_elf_finish_dynamic_sections (bfd *output_bfd,
4035 struct bfd_link_info *info)
4036{
4037 bfd *dynobj;
4038 asection *sdyn;
4039 struct tilegx_elf_link_hash_table *htab;
663b5850 4040 size_t pad_size;
aa137e4d
NC		 4041
4042 htab = tilegx_elf_hash_table (info);
4043 BFD_ASSERT (htab != NULL);
4044 dynobj = htab->elf.dynobj;
4045
3d4d4302 4046 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
aa137e4d
NC		 4047
4048 if (elf_hash_table (info)->dynamic_sections_created)
4049 {
4050 asection *splt;
4051 bfd_boolean ret;
4052
3d4d4302 4053 splt = htab->elf.splt;
aa137e4d
NC		 4054 BFD_ASSERT (splt != NULL && sdyn != NULL);
4055
4056 ret = tilegx_finish_dyn (output_bfd, info, dynobj, sdyn, splt);
4057
535b785f 4058 if (!ret)
aa137e4d
NC		 4059 return ret;
4060
4061 /* Fill in the head and tail entries in the procedure linkage table. */
4062 if (splt->size > 0)
4063 {
4064 memcpy (splt->contents,
4065 ABI_64_P (output_bfd) ?
4066 tilegx64_plt0_entry : tilegx32_plt0_entry,
4067 PLT_HEADER_SIZE);
4068
663b5850
WL		 4069 memcpy (splt->contents + splt->size
4070 - PLT_ENTRY_SIZE + PLT_HEADER_SIZE,
aa137e4d
NC		 4071 ABI_64_P (output_bfd) ?
4072 tilegx64_plt_tail_entry : tilegx32_plt_tail_entry,
4073 PLT_TAIL_SIZE);
663b5850
WL		 4074 /* Add padding so that the plt section is a multiple of its
4075 entry size. */
4076 pad_size = PLT_ENTRY_SIZE - PLT_HEADER_SIZE - PLT_TAIL_SIZE;
4077 memset (splt->contents + splt->size - pad_size, 0, pad_size);
aa137e4d 4078
4c7236d3
L		 4079 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4080 = PLT_ENTRY_SIZE;
4081 }
aa137e4d
NC		 4082 }
4083
4084 if (htab->elf.sgotplt)
4085 {
4086 if (bfd_is_abs_section (htab->elf.sgotplt->output_section))
4087 {
4eca0228 4088 _bfd_error_handler
871b3ab2 4089 (_("discarded output section: `%pA'"), htab->elf.sgotplt);
aa137e4d
NC		 4090 return FALSE;
4091 }
4092
4093 if (htab->elf.sgotplt->size > 0)
4094 {
4095 /* Write the first two entries in .got.plt, needed for the dynamic
4096 linker. */
4097 TILEGX_ELF_PUT_WORD (htab, output_bfd, (bfd_vma) -1,
4098 htab->elf.sgotplt->contents);
4099 TILEGX_ELF_PUT_WORD (htab, output_bfd, (bfd_vma) 0,
4100 htab->elf.sgotplt->contents
4101 + GOT_ENTRY_SIZE (htab));
aa137e4d 4102
4c7236d3
L		 4103 elf_section_data (htab->elf.sgotplt->output_section)->this_hdr.sh_entsize =
4104 GOT_ENTRY_SIZE (htab);
4105 }
aa137e4d
NC		 4106 }
4107
4108 if (htab->elf.sgot)
4109 {
4110 if (htab->elf.sgot->size > 0)
4111 {
4112 /* Set the first entry in the global offset table to the address of
4113 the dynamic section. */
4114 bfd_vma val = (sdyn ?
4115 sdyn->output_section->vma + sdyn->output_offset :
4116 0);
4117 TILEGX_ELF_PUT_WORD (htab, output_bfd, val,
4118 htab->elf.sgot->contents);
aa137e4d 4119
4c7236d3
L		 4120 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4121 GOT_ENTRY_SIZE (htab);
4122 }
aa137e4d
NC		 4123 }
4124
4125 return TRUE;
4126}
4127
4128\f
4129
4130/* Return address for Ith PLT stub in section PLT, for relocation REL
4131 or (bfd_vma) -1 if it should not be included. */
4132
4133bfd_vma
4134tilegx_elf_plt_sym_val (bfd_vma i, const asection *plt,
4135 const arelent *rel ATTRIBUTE_UNUSED)
4136{
4137 return plt->vma + PLT_HEADER_SIZE + i * PLT_ENTRY_SIZE;
4138}
4139
4140enum elf_reloc_type_class
7e612e98
AM		 4141tilegx_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
4142 const asection *rel_sec ATTRIBUTE_UNUSED,
4143 const Elf_Internal_Rela *rela)
aa137e4d
NC		 4144{
4145 switch ((int) TILEGX_ELF_R_TYPE (rela->r_info))
4146 {
4147 case R_TILEGX_RELATIVE:
4148 return reloc_class_relative;
4149 case R_TILEGX_JMP_SLOT:
4150 return reloc_class_plt;
4151 case R_TILEGX_COPY:
4152 return reloc_class_copy;
4153 default:
4154 return reloc_class_normal;
4155 }
4156}
4157
4158int
4159tilegx_additional_program_headers (bfd *abfd,
4160 struct bfd_link_info *info ATTRIBUTE_UNUSED)
4161{
4162 /* Each .intrpt section specified by the user adds another PT_LOAD
4163 header since the sections are discontiguous. */
4164 static const char intrpt_sections[4][9] =
4165 {
4166 ".intrpt0", ".intrpt1", ".intrpt2", ".intrpt3"
4167 };
4168 int count = 0;
4169 int i;
4170
4171 for (i = 0; i < 4; i++)
4172 {
4173 asection *sec = bfd_get_section_by_name (abfd, intrpt_sections[i]);
4174 if (sec != NULL && (sec->flags & SEC_LOAD) != 0)
4175 ++count;
4176 }
4177
4178 /* Add four "padding" headers in to leave room in case a custom linker
4179 script does something fancy. Otherwise ld complains that it ran
4180 out of program headers and refuses to link. */
4181 count += 4;
4182
4183 return count;
4184}
4185
4186
4187bfd_boolean
50e03d47 4188_bfd_tilegx_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
aa137e4d 4189{
50e03d47 4190 bfd *obfd = info->output_bfd;
aa137e4d
NC		 4191 const char *targ1 = bfd_get_target (ibfd);
4192 const char *targ2 = bfd_get_target (obfd);
4193
4194 if (strcmp (targ1, targ2) != 0)
4195 {
4eca0228 4196 _bfd_error_handler
695344c0 4197 /* xgettext:c-format */
38f14ab8 4198 (_("%pB: cannot link together %s and %s objects"),
aa137e4d
NC		 4199 ibfd, targ1, targ2);
4200 bfd_set_error (bfd_error_bad_value);
4201 return FALSE;
4202 }
4203
4204 return TRUE;
4205}
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