Coverage Report

Created: 2024-05-21 06:29

/src/binutils-gdb/bfd/elf32-tilepro.c
Line
Count
Source (jump to first uncovered line)
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/* TILEPro-specific support for 32-bit ELF.
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   Copyright (C) 2011-2024 Free Software Foundation, Inc.
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   This file is part of BFD, the Binary File Descriptor library.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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   MA 02110-1301, USA.  */
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#include "sysdep.h"
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#include "bfd.h"
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#include "libbfd.h"
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#include "elf-bfd.h"
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#include "elf/tilepro.h"
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#include "opcode/tilepro.h"
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#include "libiberty.h"
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#include "elf32-tilepro.h"
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30
0
#define TILEPRO_BYTES_PER_WORD 4
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32
static reloc_howto_type tilepro_elf_howto_table [] =
33
{
34
  /* This reloc does nothing.  */
35
  HOWTO (R_TILEPRO_NONE,  /* type */
36
   0,     /* rightshift */
37
   0,     /* size */
38
   0,     /* bitsize */
39
   false,     /* pc_relative */
40
   0,     /* bitpos */
41
   complain_overflow_dont, /* complain_on_overflow */
42
   bfd_elf_generic_reloc, /* special_function */
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   "R_TILEPRO_NONE",  /* name */
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   false,     /* partial_inplace */
45
   0,     /* src_mask */
46
   0,     /* dst_mask */
47
   false),    /* pcrel_offset */
48
49
  /* A 32 bit absolute relocation.  */
50
  HOWTO (R_TILEPRO_32,  /* type */
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   0,     /* rightshift */
52
   4,     /* size */
53
   32,      /* bitsize */
54
   false,     /* pc_relative */
55
   0,     /* bitpos */
56
   complain_overflow_dont, /* complain_on_overflow */
57
   bfd_elf_generic_reloc, /* special_function */
58
   "R_TILEPRO_32",  /* name */
59
   false,     /* partial_inplace */
60
   0,     /* src_mask */
61
   0xffffffff,    /* dst_mask */
62
   false),    /* pcrel_offset */
63
64
  /* A 16 bit absolute relocation.  */
65
  HOWTO (R_TILEPRO_16,  /* type */
66
   0,     /* rightshift */
67
   2,     /* size */
68
   16,      /* bitsize */
69
   false,     /* pc_relative */
70
   0,     /* bitpos */
71
   complain_overflow_bitfield, /* complain_on_overflow */
72
   bfd_elf_generic_reloc, /* special_function */
73
   "R_TILEPRO_16",  /* name */
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   false,     /* partial_inplace */
75
   0,     /* src_mask */
76
   0xffff,    /* dst_mask */
77
   false),    /* pcrel_offset */
78
79
  /* An 8 bit absolute relocation.  */
80
  HOWTO (R_TILEPRO_8, /* type */
81
   0,     /* rightshift */
82
   1,     /* size */
83
   8,     /* bitsize */
84
   false,     /* pc_relative */
85
   0,     /* bitpos */
86
   complain_overflow_unsigned, /* complain_on_overflow */
87
   bfd_elf_generic_reloc, /* special_function */
88
   "R_TILEPRO_8", /* name */
89
   false,     /* partial_inplace */
90
   0,     /* src_mask */
91
   0xff,      /* dst_mask */
92
   false),    /* pcrel_offset */
93
94
  /* A 32 bit pc-relative relocation.  */
95
  HOWTO (R_TILEPRO_32_PCREL,/* type */
96
   0,     /* rightshift */
97
   4,     /* size */
98
   32,      /* bitsize */
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   true,      /* pc_relative */
100
   0,     /* bitpos */
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   complain_overflow_dont, /* complain_on_overflow */
102
   bfd_elf_generic_reloc, /* special_function */
103
   "R_TILEPRO_32_PCREL", /* name */
104
   false,     /* partial_inplace */
105
   0,     /* src_mask */
106
   0xffffffff,    /* dst_mask */
107
   true),     /* pcrel_offset */
108
109
  /* A 16 bit pc-relative relocation.  */
110
  HOWTO (R_TILEPRO_16_PCREL,/* type */
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   0,     /* rightshift */
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   2,     /* size */
113
   16,      /* bitsize */
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   true,      /* pc_relative */
115
   0,     /* bitpos */
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   complain_overflow_signed, /* complain_on_overflow */
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   bfd_elf_generic_reloc, /* special_function */
118
   "R_TILEPRO_16_PCREL",  /* name */
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   false,     /* partial_inplace */
120
   0,     /* src_mask */
121
   0xffff,    /* dst_mask */
122
   true),     /* pcrel_offset */
123
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  /* An 8 bit pc-relative relocation.  */
125
  HOWTO (R_TILEPRO_8_PCREL, /* type */
126
   0,     /* rightshift */
127
   1,     /* size */
128
   8,     /* bitsize */
129
   true,      /* pc_relative */
130
   0,     /* bitpos */
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   complain_overflow_signed, /* complain_on_overflow */
132
   bfd_elf_generic_reloc, /* special_function */
133
   "R_TILEPRO_8_PCREL",/* name */
134
   false,     /* partial_inplace */
135
   0,     /* src_mask */
136
   0xff,      /* dst_mask */
137
   true),     /* pcrel_offset */
138
139
  /* A 16 bit relocation without overflow.  */
140
  HOWTO (R_TILEPRO_LO16,  /* type */
141
   0,     /* rightshift */
142
   2,     /* size */
143
   16,      /* bitsize */
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   false,     /* pc_relative */
145
   0,     /* bitpos */
146
   complain_overflow_dont,/* complain_on_overflow */
147
   bfd_elf_generic_reloc, /* special_function */
148
   "R_TILEPRO_LO16",  /* name */
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   false,     /* partial_inplace */
150
   0,     /* src_mask */
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   0xffff,    /* dst_mask */
152
   false),    /* pcrel_offset */
153
154
  /* The high order 16 bits of an address.  */
155
  HOWTO (R_TILEPRO_HI16,  /* type */
156
   16,      /* rightshift */
157
   2,     /* size */
158
   16,      /* bitsize */
159
   false,     /* pc_relative */
160
   0,     /* bitpos */
161
   complain_overflow_dont, /* complain_on_overflow */
162
   bfd_elf_generic_reloc, /* special_function */
163
   "R_TILEPRO_HI16",  /* name */
164
   false,     /* partial_inplace */
165
   0,     /* src_mask */
166
   0xffff,    /* dst_mask */
167
   false),    /* pcrel_offset */
168
169
  /* The high order 16 bits of an address, plus 1 if the contents of
170
     the low 16 bits, treated as a signed number, is negative.  */
171
  HOWTO (R_TILEPRO_HA16,  /* type */
172
   16,      /* rightshift */
173
   2,     /* size */
174
   16,      /* bitsize */
175
   false,     /* pc_relative */
176
   0,     /* bitpos */
177
   complain_overflow_dont, /* complain_on_overflow */
178
   bfd_elf_generic_reloc, /* special_function */
179
   "R_TILEPRO_HA16",  /* name */
180
   false,     /* partial_inplace */
181
   0,     /* src_mask */
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   0xffff,    /* dst_mask */
183
   false),    /* pcrel_offset */
184
185
  HOWTO (R_TILEPRO_COPY,  /* type */
186
   0,     /* rightshift */
187
   0,     /* size */
188
   0,     /* bitsize */
189
   false,     /* pc_relative */
190
   0,     /* bitpos */
191
   complain_overflow_dont, /* complain_on_overflow */
192
   bfd_elf_generic_reloc, /* special_function */
193
   "R_TILEPRO_COPY",    /* name */
194
   false,     /* partial_inplace */
195
   0,     /* src_mask */
196
   0,     /* dst_mask */
197
   true),     /* pcrel_offset */
198
199
  HOWTO (R_TILEPRO_GLOB_DAT,  /* type */
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   0,     /* rightshift */
201
   0,     /* size */
202
   0,     /* bitsize */
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   false,     /* pc_relative */
204
   0,     /* bitpos */
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   complain_overflow_dont, /* complain_on_overflow */
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   bfd_elf_generic_reloc, /* special_function */
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   "R_TILEPRO_GLOB_DAT",  /* name */
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   false,     /* partial_inplace */
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   0,     /* src_mask */
210
   0,     /* dst_mask */
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   true),     /* pcrel_offset */
212
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  HOWTO (R_TILEPRO_JMP_SLOT,  /* type */
214
   0,     /* rightshift */
215
   0,     /* size */
216
   0,     /* bitsize */
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   false,     /* pc_relative */
218
   0,     /* bitpos */
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   complain_overflow_dont, /* complain_on_overflow */
220
   bfd_elf_generic_reloc, /* special_function */
221
   "R_TILEPRO_JMP_SLOT",  /* name */
222
   false,     /* partial_inplace */
223
   0,     /* src_mask */
224
   0,     /* dst_mask */
225
   true),     /* pcrel_offset */
226
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  HOWTO (R_TILEPRO_RELATIVE,  /* type */
228
   0,     /* rightshift */
229
   0,     /* size */
230
   0,     /* bitsize */
231
   false,     /* pc_relative */
232
   0,     /* bitpos */
233
   complain_overflow_dont, /* complain_on_overflow */
234
   bfd_elf_generic_reloc, /* special_function */
235
   "R_TILEPRO_RELATIVE",  /* name */
236
   false,     /* partial_inplace */
237
   0,     /* src_mask */
238
   0,     /* dst_mask */
239
   true),     /* pcrel_offset */
240
241
  HOWTO (R_TILEPRO_BROFF_X1, /* type */
242
   TILEPRO_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
243
   4,     /* size */
244
   17,      /* bitsize */
245
   true,      /* pc_relative */
246
   0,     /* bitpos */
247
   complain_overflow_signed, /* complain_on_overflow */
248
   bfd_elf_generic_reloc, /* special_function */
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   "R_TILEPRO_BROFF_X1", /* name */
250
   false,     /* partial_inplace */
251
   0,     /* src_mask */
252
   -1,      /* dst_mask */
253
   true),     /* pcrel_offset */
254
255
  HOWTO (R_TILEPRO_JOFFLONG_X1, /* type */
256
   TILEPRO_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
257
   4,     /* size */
258
   29,      /* bitsize */
259
   true,      /* pc_relative */
260
   0,     /* bitpos */
261
   complain_overflow_signed,/* complain_on_overflow */
262
   bfd_elf_generic_reloc, /* special_function */
263
   "R_TILEPRO_JOFFLONG_X1", /* name */
264
   false,     /* partial_inplace */
265
   0,     /* src_mask */
266
   -1,      /* dst_mask */
267
   true),     /* pcrel_offset */
268
269
  HOWTO (R_TILEPRO_JOFFLONG_X1_PLT, /* type */
270
   TILEPRO_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
271
   4,     /* size */
272
   29,      /* bitsize */
273
   true,      /* pc_relative */
274
   0,     /* bitpos */
275
   complain_overflow_signed,/* complain_on_overflow */
276
   bfd_elf_generic_reloc, /* special_function */
277
   "R_TILEPRO_JOFFLONG_X1_PLT", /* name */
278
   false,     /* partial_inplace */
279
   0,     /* src_mask */
280
   -1,      /* dst_mask */
281
   true),     /* pcrel_offset */
282
283
#define TILEPRO_IMM_HOWTO(name, size, bitsize) \
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  HOWTO (name, 0, size, bitsize, false, 0, \
285
   complain_overflow_signed, bfd_elf_generic_reloc, \
286
   #name, false, 0, -1, false)
287
288
#define TILEPRO_UIMM_HOWTO(name, size, bitsize) \
289
  HOWTO (name, 0, size, bitsize, false, 0, \
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   complain_overflow_unsigned, bfd_elf_generic_reloc, \
291
   #name, false, 0, -1, false)
292
293
  TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_X0,  1,  8),
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  TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_Y0,  1,  8),
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  TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_X1,  1,  8),
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  TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_Y1,  1,  8),
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  TILEPRO_UIMM_HOWTO(R_TILEPRO_MT_IMM15_X1, 2,  15),
298
  TILEPRO_UIMM_HOWTO(R_TILEPRO_MF_IMM15_X1, 2,  15),
299
  TILEPRO_IMM_HOWTO(R_TILEPRO_IMM16_X0, 2, 16),
300
  TILEPRO_IMM_HOWTO(R_TILEPRO_IMM16_X1, 2, 16),
301
302
#define TILEPRO_IMM16_HOWTO(name, rshift) \
303
  HOWTO (name, rshift, 2, 16, false, 0, \
304
   complain_overflow_dont, bfd_elf_generic_reloc, \
305
   #name, false, 0, 0xffff, false)
306
307
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_LO,  0),
308
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_LO,  0),
309
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_HI, 16),
310
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_HI, 16),
311
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_HA, 16),
312
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_HA, 16),
313
314
  /* PC-relative offsets. */
315
316
  HOWTO (R_TILEPRO_IMM16_X0_PCREL,  /* type */
317
   0,     /* rightshift */
318
   2,     /* size */
319
   16,      /* bitsize */
320
   true,      /* pc_relative */
321
   0,     /* bitpos */
322
   complain_overflow_signed, /* complain_on_overflow */
323
   bfd_elf_generic_reloc, /* special_function */
324
   "R_TILEPRO_IMM16_X0_PCREL",/* name */
325
   false,     /* partial_inplace */
326
   0,     /* src_mask */
327
   -1,      /* dst_mask */
328
   true),     /* pcrel_offset */
329
330
  HOWTO (R_TILEPRO_IMM16_X1_PCREL,  /* type */
331
   0,     /* rightshift */
332
   2,     /* size */
333
   16,      /* bitsize */
334
   true,      /* pc_relative */
335
   0,     /* bitpos */
336
   complain_overflow_signed, /* complain_on_overflow */
337
   bfd_elf_generic_reloc, /* special_function */
338
   "R_TILEPRO_IMM16_X1_PCREL",/* name */
339
   false,     /* partial_inplace */
340
   0,     /* src_mask */
341
   -1,      /* dst_mask */
342
   true),     /* pcrel_offset */
343
344
#define TILEPRO_IMM16_HOWTO_PCREL(name, rshift) \
345
  HOWTO (name, rshift, 2, 16, true, 0, \
346
   complain_overflow_dont, bfd_elf_generic_reloc, \
347
   #name, false, 0, 0xffff, true)
348
349
  TILEPRO_IMM16_HOWTO_PCREL (R_TILEPRO_IMM16_X0_LO_PCREL,  0),
350
  TILEPRO_IMM16_HOWTO_PCREL (R_TILEPRO_IMM16_X1_LO_PCREL,  0),
351
  TILEPRO_IMM16_HOWTO_PCREL (R_TILEPRO_IMM16_X0_HI_PCREL, 16),
352
  TILEPRO_IMM16_HOWTO_PCREL (R_TILEPRO_IMM16_X1_HI_PCREL, 16),
353
  TILEPRO_IMM16_HOWTO_PCREL (R_TILEPRO_IMM16_X0_HA_PCREL, 16),
354
  TILEPRO_IMM16_HOWTO_PCREL (R_TILEPRO_IMM16_X1_HA_PCREL, 16),
355
356
  /* Byte offset into GOT for a particular symbol. */
357
  TILEPRO_IMM_HOWTO(R_TILEPRO_IMM16_X0_GOT, 2, 16),
358
  TILEPRO_IMM_HOWTO(R_TILEPRO_IMM16_X1_GOT, 2, 16),
359
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_GOT_LO,  0),
360
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_GOT_LO,  0),
361
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_GOT_HI, 16),
362
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_GOT_HI, 16),
363
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_GOT_HA, 16),
364
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_GOT_HA, 16),
365
366
  TILEPRO_UIMM_HOWTO(R_TILEPRO_MMSTART_X0, 1, 5),
367
  TILEPRO_UIMM_HOWTO(R_TILEPRO_MMEND_X0,   1, 5),
368
  TILEPRO_UIMM_HOWTO(R_TILEPRO_MMSTART_X1, 1, 5),
369
  TILEPRO_UIMM_HOWTO(R_TILEPRO_MMEND_X1,   1, 5),
370
371
  TILEPRO_UIMM_HOWTO(R_TILEPRO_SHAMT_X0, 1, 5),
372
  TILEPRO_UIMM_HOWTO(R_TILEPRO_SHAMT_X1, 1, 5),
373
  TILEPRO_UIMM_HOWTO(R_TILEPRO_SHAMT_Y0, 1, 5),
374
  TILEPRO_UIMM_HOWTO(R_TILEPRO_SHAMT_Y1, 1, 5),
375
376
  TILEPRO_IMM_HOWTO(R_TILEPRO_DEST_IMM8_X1, 1, 8),
377
378
  /* These relocs are currently not defined.  */
379
  EMPTY_HOWTO (56),
380
  EMPTY_HOWTO (57),
381
  EMPTY_HOWTO (58),
382
  EMPTY_HOWTO (59),
383
384
  HOWTO (R_TILEPRO_TLS_GD_CALL, /* type */
385
   TILEPRO_LOG2_BUNDLE_ALIGNMENT_IN_BYTES, /* rightshift */
386
   4,     /* size */
387
   29,      /* bitsize */
388
   true,      /* pc_relative */
389
   0,     /* bitpos */
390
   complain_overflow_signed,/* complain_on_overflow */
391
   bfd_elf_generic_reloc, /* special_function */
392
   "R_TILEPRO_TLS_GD_CALL", /* name */
393
   false,     /* partial_inplace */
394
   0,     /* src_mask */
395
   -1,      /* dst_mask */
396
   true),     /* pcrel_offset */
397
398
  TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_X0_TLS_GD_ADD,  1,  8),
399
  TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_X1_TLS_GD_ADD,  1,  8),
400
  TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_Y0_TLS_GD_ADD,  1,  8),
401
  TILEPRO_IMM_HOWTO(R_TILEPRO_IMM8_Y1_TLS_GD_ADD,  1,  8),
402
  TILEPRO_IMM_HOWTO(R_TILEPRO_TLS_IE_LOAD,  1,  8),
403
404
  /* Offsets into the GOT of TLS Descriptors. */
405
406
  HOWTO (R_TILEPRO_IMM16_X0_TLS_GD,/* type */
407
   0,     /* rightshift */
408
   2,     /* size */
409
   16,      /* bitsize */
410
   false,     /* pc_relative */
411
   0,     /* bitpos */
412
   complain_overflow_signed, /* complain_on_overflow */
413
   bfd_elf_generic_reloc, /* special_function */
414
   "R_TILEPRO_IMM16_X0_TLS_GD",/* name */
415
   false,     /* partial_inplace */
416
   0,     /* src_mask */
417
   0xffff,    /* dst_mask */
418
   false),    /* pcrel_offset */
419
420
  HOWTO (R_TILEPRO_IMM16_X1_TLS_GD,/* type */
421
   0,     /* rightshift */
422
   2,     /* size */
423
   16,      /* bitsize */
424
   false,     /* pc_relative */
425
   0,     /* bitpos */
426
   complain_overflow_signed, /* complain_on_overflow */
427
   bfd_elf_generic_reloc, /* special_function */
428
   "R_TILEPRO_IMM16_X1_TLS_GD",/* name */
429
   false,     /* partial_inplace */
430
   0,     /* src_mask */
431
   0xffff,    /* dst_mask */
432
   false),    /* pcrel_offset */
433
434
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_GD_LO,  0),
435
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_GD_LO,  0),
436
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_GD_HI, 16),
437
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_GD_HI, 16),
438
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_GD_HA, 16),
439
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_GD_HA, 16),
440
441
  /* Offsets into the GOT of TLS Descriptors. */
442
443
  HOWTO (R_TILEPRO_IMM16_X0_TLS_IE,/* type */
444
   0,     /* rightshift */
445
   2,     /* size */
446
   16,      /* bitsize */
447
   false,     /* pc_relative */
448
   0,     /* bitpos */
449
   complain_overflow_signed, /* complain_on_overflow */
450
   bfd_elf_generic_reloc, /* special_function */
451
   "R_TILEPRO_IMM16_X0_TLS_IE",/* name */
452
   false,     /* partial_inplace */
453
   0,     /* src_mask */
454
   -1,      /* dst_mask */
455
   true),     /* pcrel_offset */
456
457
  HOWTO (R_TILEPRO_IMM16_X1_TLS_IE,/* type */
458
   0,     /* rightshift */
459
   2,     /* size */
460
   16,      /* bitsize */
461
   false,     /* pc_relative */
462
   0,     /* bitpos */
463
   complain_overflow_signed, /* complain_on_overflow */
464
   bfd_elf_generic_reloc, /* special_function */
465
   "R_TILEPRO_IMM16_X1_TLS_IE",/* name */
466
   false,     /* partial_inplace */
467
   0,     /* src_mask */
468
   -1,      /* dst_mask */
469
   true),     /* pcrel_offset */
470
471
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_IE_LO,  0),
472
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_IE_LO,  0),
473
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_IE_HI, 16),
474
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_IE_HI, 16),
475
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_IE_HA, 16),
476
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_IE_HA, 16),
477
478
  /* These are common with the Solaris TLS implementation. */
479
  HOWTO(R_TILEPRO_TLS_DTPMOD32, 0, 0, 0, false, 0, complain_overflow_dont,
480
  bfd_elf_generic_reloc, "R_TILEPRO_TLS_DTPMOD32",
481
  false, 0, 0, true),
482
  HOWTO(R_TILEPRO_TLS_DTPOFF32, 0, 4, 32, false, 0, complain_overflow_bitfield,
483
  bfd_elf_generic_reloc, "R_TILEPRO_TLS_DTPOFF32",
484
  false, 0, 0xFFFFFFFF, true),
485
  HOWTO(R_TILEPRO_TLS_TPOFF32, 0, 0, 0, false, 0, complain_overflow_dont,
486
  bfd_elf_generic_reloc, "R_TILEPRO_TLS_TPOFF32",
487
  false, 0, 0, true),
488
489
  HOWTO (R_TILEPRO_IMM16_X0_TLS_LE,/* type */
490
   0,     /* rightshift */
491
   2,     /* size */
492
   16,      /* bitsize */
493
   false,     /* pc_relative */
494
   0,     /* bitpos */
495
   complain_overflow_signed, /* complain_on_overflow */
496
   bfd_elf_generic_reloc, /* special_function */
497
   "R_TILEPRO_IMM16_X0_TLS_LE",/* name */
498
   false,     /* partial_inplace */
499
   0,     /* src_mask */
500
   -1,      /* dst_mask */
501
   true),     /* pcrel_offset */
502
503
  HOWTO (R_TILEPRO_IMM16_X1_TLS_LE,/* type */
504
   0,     /* rightshift */
505
   2,     /* size */
506
   16,      /* bitsize */
507
   false,     /* pc_relative */
508
   0,     /* bitpos */
509
   complain_overflow_signed, /* complain_on_overflow */
510
   bfd_elf_generic_reloc, /* special_function */
511
   "R_TILEPRO_IMM16_X1_TLS_LE",/* name */
512
   false,     /* partial_inplace */
513
   0,     /* src_mask */
514
   -1,      /* dst_mask */
515
   true),     /* pcrel_offset */
516
517
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_LE_LO,  0),
518
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_LE_LO,  0),
519
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_LE_HI, 16),
520
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_LE_HI, 16),
521
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X0_TLS_LE_HA, 16),
522
  TILEPRO_IMM16_HOWTO (R_TILEPRO_IMM16_X1_TLS_LE_HA, 16),
523
};
524
525
static reloc_howto_type tilepro_elf_howto_table2 [] =
526
{
527
  /* GNU extension to record C++ vtable hierarchy */
528
  HOWTO (R_TILEPRO_GNU_VTINHERIT, /* type */
529
   0,     /* rightshift */
530
   4,     /* size */
531
   0,     /* bitsize */
532
   false,     /* pc_relative */
533
   0,     /* bitpos */
534
   complain_overflow_dont, /* complain_on_overflow */
535
   NULL,      /* special_function */
536
   "R_TILEPRO_GNU_VTINHERIT", /* name */
537
   false,     /* partial_inplace */
538
   0,     /* src_mask */
539
   0,     /* dst_mask */
540
   false),    /* pcrel_offset */
541
542
  /* GNU extension to record C++ vtable member usage */
543
  HOWTO (R_TILEPRO_GNU_VTENTRY,     /* type */
544
   0,     /* rightshift */
545
   4,     /* size */
546
   0,     /* bitsize */
547
   false,     /* pc_relative */
548
   0,     /* bitpos */
549
   complain_overflow_dont, /* complain_on_overflow */
550
   _bfd_elf_rel_vtable_reloc_fn,  /* special_function */
551
   "R_TILEPRO_GNU_VTENTRY",   /* name */
552
   false,     /* partial_inplace */
553
   0,     /* src_mask */
554
   0,     /* dst_mask */
555
   false),    /* pcrel_offset */
556
557
};
558

559
/* Map BFD reloc types to TILEPRO ELF reloc types.  */
560
561
typedef struct tilepro_reloc_map
562
{
563
  bfd_reloc_code_real_type  bfd_reloc_val;
564
  unsigned int        tilepro_reloc_val;
565
  reloc_howto_type *      table;
566
} reloc_map;
567
568
static const reloc_map tilepro_reloc_map [] =
569
{
570
#define TH_REMAP(bfd, tilepro) \
571
  { bfd, tilepro, tilepro_elf_howto_table },
572
573
  /* Standard relocations. */
574
  TH_REMAP (BFD_RELOC_NONE,          R_TILEPRO_NONE)
575
  TH_REMAP (BFD_RELOC_32,          R_TILEPRO_32)
576
  TH_REMAP (BFD_RELOC_16,          R_TILEPRO_16)
577
  TH_REMAP (BFD_RELOC_8,           R_TILEPRO_8)
578
  TH_REMAP (BFD_RELOC_32_PCREL,          R_TILEPRO_32_PCREL)
579
  TH_REMAP (BFD_RELOC_16_PCREL,          R_TILEPRO_16_PCREL)
580
  TH_REMAP (BFD_RELOC_8_PCREL,           R_TILEPRO_8_PCREL)
581
  TH_REMAP (BFD_RELOC_LO16,          R_TILEPRO_LO16)
582
  TH_REMAP (BFD_RELOC_HI16,          R_TILEPRO_HI16)
583
  TH_REMAP (BFD_RELOC_HI16_S,          R_TILEPRO_HA16)
584
585
  /* Custom relocations. */
586
  TH_REMAP (BFD_RELOC_TILEPRO_COPY,        R_TILEPRO_COPY)
587
  TH_REMAP (BFD_RELOC_TILEPRO_GLOB_DAT,        R_TILEPRO_GLOB_DAT)
588
  TH_REMAP (BFD_RELOC_TILEPRO_JMP_SLOT,        R_TILEPRO_JMP_SLOT)
589
  TH_REMAP (BFD_RELOC_TILEPRO_RELATIVE,        R_TILEPRO_RELATIVE)
590
  TH_REMAP (BFD_RELOC_TILEPRO_BROFF_X1,        R_TILEPRO_BROFF_X1)
591
  TH_REMAP (BFD_RELOC_TILEPRO_JOFFLONG_X1,     R_TILEPRO_JOFFLONG_X1)
592
  TH_REMAP (BFD_RELOC_TILEPRO_JOFFLONG_X1_PLT, R_TILEPRO_JOFFLONG_X1_PLT)
593
  TH_REMAP (BFD_RELOC_TILEPRO_IMM8_X0,         R_TILEPRO_IMM8_X0)
594
  TH_REMAP (BFD_RELOC_TILEPRO_IMM8_Y0,         R_TILEPRO_IMM8_Y0)
595
  TH_REMAP (BFD_RELOC_TILEPRO_IMM8_X1,         R_TILEPRO_IMM8_X1)
596
  TH_REMAP (BFD_RELOC_TILEPRO_IMM8_Y1,         R_TILEPRO_IMM8_Y1)
597
  TH_REMAP (BFD_RELOC_TILEPRO_DEST_IMM8_X1,    R_TILEPRO_DEST_IMM8_X1)
598
  TH_REMAP (BFD_RELOC_TILEPRO_MT_IMM15_X1,     R_TILEPRO_MT_IMM15_X1)
599
  TH_REMAP (BFD_RELOC_TILEPRO_MF_IMM15_X1,     R_TILEPRO_MF_IMM15_X1)
600
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0,        R_TILEPRO_IMM16_X0)
601
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1,        R_TILEPRO_IMM16_X1)
602
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_LO,     R_TILEPRO_IMM16_X0_LO)
603
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_LO,     R_TILEPRO_IMM16_X1_LO)
604
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_HI,     R_TILEPRO_IMM16_X0_HI)
605
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_HI,     R_TILEPRO_IMM16_X1_HI)
606
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_HA,     R_TILEPRO_IMM16_X0_HA)
607
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_HA,     R_TILEPRO_IMM16_X1_HA)
608
609
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_PCREL,  R_TILEPRO_IMM16_X0_PCREL)
610
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_PCREL,  R_TILEPRO_IMM16_X1_PCREL)
611
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_LO_PCREL, R_TILEPRO_IMM16_X0_LO_PCREL)
612
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_LO_PCREL, R_TILEPRO_IMM16_X1_LO_PCREL)
613
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_HI_PCREL, R_TILEPRO_IMM16_X0_HI_PCREL)
614
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_HI_PCREL, R_TILEPRO_IMM16_X1_HI_PCREL)
615
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_HA_PCREL, R_TILEPRO_IMM16_X0_HA_PCREL)
616
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_HA_PCREL, R_TILEPRO_IMM16_X1_HA_PCREL)
617
618
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_GOT, R_TILEPRO_IMM16_X0_GOT)
619
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_GOT, R_TILEPRO_IMM16_X1_GOT)
620
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_GOT_LO, R_TILEPRO_IMM16_X0_GOT_LO)
621
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_GOT_LO, R_TILEPRO_IMM16_X1_GOT_LO)
622
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_GOT_HI, R_TILEPRO_IMM16_X0_GOT_HI)
623
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_GOT_HI, R_TILEPRO_IMM16_X1_GOT_HI)
624
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_GOT_HA, R_TILEPRO_IMM16_X0_GOT_HA)
625
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_GOT_HA, R_TILEPRO_IMM16_X1_GOT_HA)
626
627
  TH_REMAP (BFD_RELOC_TILEPRO_MMSTART_X0,  R_TILEPRO_MMSTART_X0)
628
  TH_REMAP (BFD_RELOC_TILEPRO_MMEND_X0,    R_TILEPRO_MMEND_X0)
629
  TH_REMAP (BFD_RELOC_TILEPRO_MMSTART_X1,  R_TILEPRO_MMSTART_X1)
630
  TH_REMAP (BFD_RELOC_TILEPRO_MMEND_X1,    R_TILEPRO_MMEND_X1)
631
  TH_REMAP (BFD_RELOC_TILEPRO_SHAMT_X0,    R_TILEPRO_SHAMT_X0)
632
  TH_REMAP (BFD_RELOC_TILEPRO_SHAMT_X1,    R_TILEPRO_SHAMT_X1)
633
  TH_REMAP (BFD_RELOC_TILEPRO_SHAMT_Y0,    R_TILEPRO_SHAMT_Y0)
634
  TH_REMAP (BFD_RELOC_TILEPRO_SHAMT_Y1,    R_TILEPRO_SHAMT_Y1)
635
636
  TH_REMAP (BFD_RELOC_TILEPRO_TLS_GD_CALL,    R_TILEPRO_TLS_GD_CALL)
637
  TH_REMAP (BFD_RELOC_TILEPRO_IMM8_X0_TLS_GD_ADD, R_TILEPRO_IMM8_X0_TLS_GD_ADD)
638
  TH_REMAP (BFD_RELOC_TILEPRO_IMM8_X1_TLS_GD_ADD, R_TILEPRO_IMM8_X1_TLS_GD_ADD)
639
  TH_REMAP (BFD_RELOC_TILEPRO_IMM8_Y0_TLS_GD_ADD, R_TILEPRO_IMM8_Y0_TLS_GD_ADD)
640
  TH_REMAP (BFD_RELOC_TILEPRO_IMM8_Y1_TLS_GD_ADD, R_TILEPRO_IMM8_Y1_TLS_GD_ADD)
641
  TH_REMAP (BFD_RELOC_TILEPRO_TLS_IE_LOAD,    R_TILEPRO_TLS_IE_LOAD)
642
643
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_GD,    R_TILEPRO_IMM16_X0_TLS_GD)
644
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_GD,    R_TILEPRO_IMM16_X1_TLS_GD)
645
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_GD_LO, R_TILEPRO_IMM16_X0_TLS_GD_LO)
646
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_GD_LO, R_TILEPRO_IMM16_X1_TLS_GD_LO)
647
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_GD_HI, R_TILEPRO_IMM16_X0_TLS_GD_HI)
648
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_GD_HI, R_TILEPRO_IMM16_X1_TLS_GD_HI)
649
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_GD_HA, R_TILEPRO_IMM16_X0_TLS_GD_HA)
650
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_GD_HA, R_TILEPRO_IMM16_X1_TLS_GD_HA)
651
652
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_IE,    R_TILEPRO_IMM16_X0_TLS_IE)
653
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_IE,    R_TILEPRO_IMM16_X1_TLS_IE)
654
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_IE_LO, R_TILEPRO_IMM16_X0_TLS_IE_LO)
655
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_IE_LO, R_TILEPRO_IMM16_X1_TLS_IE_LO)
656
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_IE_HI, R_TILEPRO_IMM16_X0_TLS_IE_HI)
657
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_IE_HI, R_TILEPRO_IMM16_X1_TLS_IE_HI)
658
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_IE_HA, R_TILEPRO_IMM16_X0_TLS_IE_HA)
659
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_IE_HA, R_TILEPRO_IMM16_X1_TLS_IE_HA)
660
661
  TH_REMAP (BFD_RELOC_TILEPRO_TLS_DTPMOD32, R_TILEPRO_TLS_DTPMOD32)
662
  TH_REMAP (BFD_RELOC_TILEPRO_TLS_DTPOFF32, R_TILEPRO_TLS_DTPOFF32)
663
  TH_REMAP (BFD_RELOC_TILEPRO_TLS_TPOFF32,  R_TILEPRO_TLS_TPOFF32)
664
665
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE,    R_TILEPRO_IMM16_X0_TLS_LE)
666
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE,    R_TILEPRO_IMM16_X1_TLS_LE)
667
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_LO, R_TILEPRO_IMM16_X0_TLS_LE_LO)
668
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_LO, R_TILEPRO_IMM16_X1_TLS_LE_LO)
669
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_HI, R_TILEPRO_IMM16_X0_TLS_LE_HI)
670
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_HI, R_TILEPRO_IMM16_X1_TLS_LE_HI)
671
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X0_TLS_LE_HA, R_TILEPRO_IMM16_X0_TLS_LE_HA)
672
  TH_REMAP (BFD_RELOC_TILEPRO_IMM16_X1_TLS_LE_HA, R_TILEPRO_IMM16_X1_TLS_LE_HA)
673
674
#undef TH_REMAP
675
676
  { BFD_RELOC_VTABLE_INHERIT, R_TILEPRO_GNU_VTINHERIT, tilepro_elf_howto_table2 },
677
  { BFD_RELOC_VTABLE_ENTRY,   R_TILEPRO_GNU_VTENTRY,   tilepro_elf_howto_table2 },
678
};
679
680
681
682
/* TILEPRO ELF linker hash entry.  */
683
684
struct tilepro_elf_link_hash_entry
685
{
686
  struct elf_link_hash_entry elf;
687
688
0
#define GOT_UNKNOWN     0
689
0
#define GOT_NORMAL      1
690
0
#define GOT_TLS_GD      2
691
0
#define GOT_TLS_IE      4
692
  unsigned char tls_type;
693
};
694
695
#define tilepro_elf_hash_entry(ent) \
696
0
  ((struct tilepro_elf_link_hash_entry *)(ent))
697
698
struct _bfd_tilepro_elf_obj_tdata
699
{
700
  struct elf_obj_tdata root;
701
702
  /* tls_type for each local got entry.  */
703
  char *local_got_tls_type;
704
};
705
706
#define _bfd_tilepro_elf_tdata(abfd) \
707
0
  ((struct _bfd_tilepro_elf_obj_tdata *) (abfd)->tdata.any)
708
709
#define _bfd_tilepro_elf_local_got_tls_type(abfd) \
710
0
  (_bfd_tilepro_elf_tdata (abfd)->local_got_tls_type)
711
712
#define is_tilepro_elf(bfd)       \
713
0
  (bfd_get_flavour (bfd) == bfd_target_elf_flavour  \
714
0
   && elf_tdata (bfd) != NULL        \
715
0
   && elf_object_id (bfd) == TILEPRO_ELF_DATA)
716
717
/* Allocate TILEPro ELF private object data.  */
718
719
static bool
720
tilepro_elf_mkobject (bfd *abfd)
721
139k
{
722
139k
  return bfd_elf_allocate_object (abfd,
723
139k
          sizeof (struct _bfd_tilepro_elf_obj_tdata),
724
139k
          TILEPRO_ELF_DATA);
725
139k
}
726
727
#include "elf/common.h"
728
#include "elf/internal.h"
729
730
/* Get the Tilepro ELF linker hash table from a link_info structure.  */
731
#define tilepro_elf_hash_table(p) \
732
0
  ((is_elf_hash_table ((p)->hash)          \
733
0
    && elf_hash_table_id (elf_hash_table (p)) == TILEPRO_ELF_DATA) \
734
0
   ? (struct elf_link_hash_table *) (p)->hash : NULL)
735
736
static reloc_howto_type *
737
tilepro_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
738
         bfd_reloc_code_real_type code)
739
0
{
740
0
  unsigned int i;
741
742
0
  for (i = ARRAY_SIZE (tilepro_reloc_map); i--;)
743
0
    {
744
0
      const reloc_map * entry;
745
746
0
      entry = tilepro_reloc_map + i;
747
748
0
      if (entry->bfd_reloc_val == code)
749
0
  return entry->table + (entry->tilepro_reloc_val
750
0
             - entry->table[0].type);
751
0
    }
752
753
0
  return NULL;
754
0
}
755
756
static reloc_howto_type *
757
tilepro_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
758
         const char *r_name)
759
0
{
760
0
  unsigned int i;
761
762
0
  for (i = 0;
763
0
       i < (sizeof (tilepro_elf_howto_table)
764
0
      / sizeof (tilepro_elf_howto_table[0]));
765
0
       i++)
766
0
    if (tilepro_elf_howto_table[i].name != NULL
767
0
  && strcasecmp (tilepro_elf_howto_table[i].name, r_name) == 0)
768
0
      return &tilepro_elf_howto_table[i];
769
770
0
  return NULL;
771
0
}
772
773
/* Set the howto pointer for an TILEPro ELF reloc.  */
774
775
static bool
776
tilepro_info_to_howto_rela (bfd * abfd ATTRIBUTE_UNUSED,
777
          arelent * cache_ptr,
778
          Elf_Internal_Rela * dst)
779
0
{
780
0
  unsigned int r_type = ELF32_R_TYPE (dst->r_info);
781
782
0
  if (r_type <= (unsigned int) R_TILEPRO_IMM16_X1_TLS_LE_HA)
783
0
    cache_ptr->howto = &tilepro_elf_howto_table [r_type];
784
0
  else if (r_type - R_TILEPRO_GNU_VTINHERIT
785
0
     <= ((unsigned int) R_TILEPRO_GNU_VTENTRY
786
0
         - (unsigned int) R_TILEPRO_GNU_VTINHERIT))
787
0
    cache_ptr->howto
788
0
      = &tilepro_elf_howto_table2 [r_type - R_TILEPRO_GNU_VTINHERIT];
789
0
  else
790
0
    {
791
      /* xgettext:c-format */
792
0
      _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
793
0
        abfd, r_type);
794
0
      bfd_set_error (bfd_error_bad_value);
795
0
      return false;
796
0
    }
797
0
  return true;
798
0
}
799
800
typedef tilepro_bundle_bits (*tilepro_create_func)(int);
801
802
static const tilepro_create_func reloc_to_create_func[] =
803
{
804
  /* The first fourteen relocation types don't correspond to operands */
805
  NULL,
806
  NULL,
807
  NULL,
808
  NULL,
809
  NULL,
810
  NULL,
811
  NULL,
812
  NULL,
813
  NULL,
814
  NULL,
815
  NULL,
816
  NULL,
817
  NULL,
818
  NULL,
819
820
  /* The remaining relocations are used for immediate operands */
821
  create_BrOff_X1,
822
  create_JOffLong_X1,
823
  create_JOffLong_X1,
824
  create_Imm8_X0,
825
  create_Imm8_Y0,
826
  create_Imm8_X1,
827
  create_Imm8_Y1,
828
  create_MT_Imm15_X1,
829
  create_MF_Imm15_X1,
830
  create_Imm16_X0,
831
  create_Imm16_X1,
832
  create_Imm16_X0,
833
  create_Imm16_X1,
834
  create_Imm16_X0,
835
  create_Imm16_X1,
836
  create_Imm16_X0,
837
  create_Imm16_X1,
838
  create_Imm16_X0,
839
  create_Imm16_X1,
840
  create_Imm16_X0,
841
  create_Imm16_X1,
842
  create_Imm16_X0,
843
  create_Imm16_X1,
844
  create_Imm16_X0,
845
  create_Imm16_X1,
846
  create_Imm16_X0,
847
  create_Imm16_X1,
848
  create_Imm16_X0,
849
  create_Imm16_X1,
850
  create_Imm16_X0,
851
  create_Imm16_X1,
852
  create_Imm16_X0,
853
  create_Imm16_X1,
854
  create_MMStart_X0,
855
  create_MMEnd_X0,
856
  create_MMStart_X1,
857
  create_MMEnd_X1,
858
  create_ShAmt_X0,
859
  create_ShAmt_X1,
860
  create_ShAmt_Y0,
861
  create_ShAmt_Y1,
862
863
  create_Dest_Imm8_X1,
864
  NULL,
865
  NULL,
866
  NULL,
867
  NULL,
868
  NULL,
869
  NULL,
870
  NULL,
871
  NULL,
872
  NULL,
873
  NULL,
874
875
  create_Imm16_X0,
876
  create_Imm16_X1,
877
  create_Imm16_X0,
878
  create_Imm16_X1,
879
  create_Imm16_X0,
880
  create_Imm16_X1,
881
  create_Imm16_X0,
882
  create_Imm16_X1,
883
  create_Imm16_X0,
884
  create_Imm16_X1,
885
  create_Imm16_X0,
886
  create_Imm16_X1,
887
  create_Imm16_X0,
888
  create_Imm16_X1,
889
  create_Imm16_X0,
890
  create_Imm16_X1,
891
892
  NULL,
893
  NULL,
894
  NULL,
895
896
  create_Imm16_X0,
897
  create_Imm16_X1,
898
  create_Imm16_X0,
899
  create_Imm16_X1,
900
  create_Imm16_X0,
901
  create_Imm16_X1,
902
  create_Imm16_X0,
903
  create_Imm16_X1,
904
};
905
906
0
#define NELEMS(a) ((int) (sizeof (a) / sizeof ((a)[0])))
907
908
/* Support for core dump NOTE sections.  */
909
910
static bool
911
tilepro_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
912
0
{
913
0
  int offset;
914
0
  size_t size;
915
916
0
  if (note->descsz != TILEPRO_PRSTATUS_SIZEOF)
917
0
    return false;
918
919
  /* pr_cursig */
920
0
  elf_tdata (abfd)->core->signal =
921
0
    bfd_get_16 (abfd, note->descdata + TILEPRO_PRSTATUS_OFFSET_PR_CURSIG);
922
923
  /* pr_pid */
924
0
  elf_tdata (abfd)->core->pid =
925
0
    bfd_get_32 (abfd, note->descdata + TILEPRO_PRSTATUS_OFFSET_PR_PID);
926
927
  /* pr_reg */
928
0
  offset = TILEPRO_PRSTATUS_OFFSET_PR_REG;
929
0
  size   = TILEPRO_GREGSET_T_SIZE;
930
931
  /* Make a ".reg/999" section.  */
932
0
  return _bfd_elfcore_make_pseudosection (abfd, ".reg",
933
0
            size, note->descpos + offset);
934
0
}
935
936
static bool
937
tilepro_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
938
0
{
939
0
  if (note->descsz != TILEPRO_PRPSINFO_SIZEOF)
940
0
    return false;
941
942
0
  elf_tdata (abfd)->core->program
943
0
    = _bfd_elfcore_strndup (abfd,
944
0
          note->descdata + TILEPRO_PRPSINFO_OFFSET_PR_FNAME,
945
0
          16);
946
0
  elf_tdata (abfd)->core->command
947
0
    = _bfd_elfcore_strndup (abfd,
948
0
          note->descdata + TILEPRO_PRPSINFO_OFFSET_PR_PSARGS,
949
0
          ELF_PR_PSARGS_SIZE);
950
951
952
  /* Note that for some reason, a spurious space is tacked
953
     onto the end of the args in some (at least one anyway)
954
     implementations, so strip it off if it exists.  */
955
0
  {
956
0
    char *command = elf_tdata (abfd)->core->command;
957
0
    int n = strlen (command);
958
959
0
    if (0 < n && command[n - 1] == ' ')
960
0
      command[n - 1] = '\0';
961
0
  }
962
963
0
  return true;
964
0
}
965
966
967
static void
968
tilepro_elf_append_rela_32 (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
969
0
{
970
0
  Elf32_External_Rela *loc32;
971
972
0
  loc32 = (Elf32_External_Rela *) s->contents;
973
0
  loc32 += s->reloc_count++;
974
0
  bfd_elf32_swap_reloca_out (abfd, rel, (bfd_byte *) loc32);
975
0
}
976
977
/* PLT/GOT stuff */
978
979
/* The procedure linkage table starts with the following header:
980
981
   {
982
    rli     r29, r29, 16
983
    lwadd   r28, r27, 4
984
   }
985
    lw      r27, r27
986
   {
987
    info    10      ## SP not offset, return PC in LR
988
    jr      r27
989
   }
990
991
   Subsequent entries are the following, jumping to the header at the end:
992
993
   lnk     r28
994
1:
995
   {
996
    auli    r28, r28, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET>
997
    auli    r27, r28, <_GLOBAL_OFFSET_TABLE_ - 1b>
998
   }
999
   {
1000
    addli   r28, r28, <_GLOBAL_OFFSET_TABLE_ - 1b + MY_GOT_OFFSET>
1001
    addli   r27, r27, <_GLOBAL_OFFSET_TABLE_ - 1b>
1002
   }
1003
   {
1004
    auli    r29, zero, MY_PLT_INDEX
1005
    lw      r28, r28
1006
   }
1007
   {
1008
    info    10      ## SP not offset, return PC in LR
1009
    jr      r28
1010
   }
1011
1012
   We initially store MY_PLT_INDEX in the high bits so that we can use the all
1013
   16 bits as an unsigned offset; if we use the low bits we would get an
1014
   unwanted sign extension.  The PLT header then rotates the index to get the
1015
   right value, before calling the resolution routine.  This computation can
1016
   fit in unused bundle slots so it's free.
1017
1018
   This code sequence lets the code at at the start of the PLT determine
1019
   which PLT entry was executed by examining 'r29'.
1020
1021
   Note that MY_PLT_INDEX skips over the header entries, so the first
1022
   actual jump table entry has index zero.
1023
*/
1024
1025
0
#define PLT_HEADER_SIZE_IN_BUNDLES 3
1026
0
#define PLT_ENTRY_SIZE_IN_BUNDLES  5
1027
1028
#define PLT_HEADER_SIZE \
1029
0
  (PLT_HEADER_SIZE_IN_BUNDLES * TILEPRO_BUNDLE_SIZE_IN_BYTES)
1030
#define PLT_ENTRY_SIZE \
1031
0
  (PLT_ENTRY_SIZE_IN_BUNDLES * TILEPRO_BUNDLE_SIZE_IN_BYTES)
1032
1033
/* The size in bytes of an entry in the global offset table.  */
1034
1035
0
#define GOT_ENTRY_SIZE TILEPRO_BYTES_PER_WORD
1036
1037
0
#define GOTPLT_HEADER_SIZE (2 * GOT_ENTRY_SIZE)
1038
1039
1040
static const bfd_byte
1041
tilepro_plt0_entry[PLT_HEADER_SIZE] =
1042
{
1043
  0x5d, 0x07, 0x03, 0x70,
1044
  0x6e, 0x23, 0xd0, 0x30, /* { rli r29, r29, 16 ; lwadd r28, r27, 4 } */
1045
  0x00, 0x50, 0xba, 0x6d,
1046
  0x00, 0x08, 0x6d, 0xdc, /* { lw r27, r27 } */
1047
  0xff, 0xaf, 0x10, 0x50,
1048
  0x60, 0x03, 0x18, 0x08, /* { info 10 ; jr r27 } */
1049
};
1050
1051
static const bfd_byte
1052
tilepro_short_plt_entry[PLT_ENTRY_SIZE] =
1053
{
1054
  0x00, 0x50, 0x16, 0x70,
1055
  0x0e, 0x00, 0x1a, 0x08, /* { lnk r28 } */
1056
  0x1c, 0x07, 0x00, 0xa0,
1057
  0x8d, 0x03, 0x00, 0x18, /* { addli r28, r28, 0 ; addli r27, r28, 0 } */
1058
  0xdd, 0x0f, 0x00, 0x30,
1059
  0x8e, 0x73, 0x0b, 0x40, /* { auli r29, zero, 0 ; lw r28, r28 } */
1060
  0xff, 0xaf, 0x10, 0x50,
1061
  0x80, 0x03, 0x18, 0x08, /* { info 10 ; jr r28 } */
1062
  0x00, 0x00, 0x00, 0x00,
1063
  0x00, 0x00, 0x00, 0x00,
1064
};
1065
1066
static const bfd_byte
1067
tilepro_long_plt_entry[PLT_ENTRY_SIZE] =
1068
{
1069
  0x00, 0x50, 0x16, 0x70,
1070
  0x0e, 0x00, 0x1a, 0x08, /* { lnk r28 } */
1071
  0x1c, 0x07, 0x00, 0xb0,
1072
  0x8d, 0x03, 0x00, 0x20, /* { auli r28, r28, 0 ; auli r27, r28, 0 } */
1073
  0x1c, 0x07, 0x00, 0xa0,
1074
  0x6d, 0x03, 0x00, 0x18, /* { addli r28, r28, 0 ; addli r27, r27, 0 } */
1075
  0xdd, 0x0f, 0x00, 0x30,
1076
  0x8e, 0x73, 0x0b, 0x40, /* { auli r29, zero, 0 ; lw r28, r28 } */
1077
  0xff, 0xaf, 0x10, 0x50,
1078
  0x80, 0x03, 0x18, 0x08, /* { info 10 ; jr r28 } */
1079
};
1080
1081
static bfd_vma
1082
tilepro_ha16(bfd_vma vma)
1083
0
{
1084
0
  return ((vma >> 16) + ((vma >> 15) & 1)) & 0xffff;
1085
0
}
1086
1087
static int
1088
tilepro_plt_entry_build (asection *splt, asection *sgotplt, bfd_vma offset,
1089
          bfd_vma *r_offset)
1090
0
{
1091
0
  int plt_index = (offset - PLT_ENTRY_SIZE) / PLT_ENTRY_SIZE;
1092
0
  int got_offset = plt_index * GOT_ENTRY_SIZE + GOTPLT_HEADER_SIZE;
1093
0
  tilepro_bundle_bits *pc;
1094
1095
  /* Compute the distance from the got entry to the lnk.  */
1096
0
  bfd_signed_vma dist_got_entry = sgotplt->output_section->vma
1097
0
    + sgotplt->output_offset
1098
0
    + got_offset
1099
0
    - splt->output_section->vma
1100
0
    - splt->output_offset
1101
0
    - offset
1102
0
    - TILEPRO_BUNDLE_SIZE_IN_BYTES;
1103
1104
  /* Compute the distance to GOTPLT[0].  */
1105
0
  bfd_signed_vma dist_got0 = dist_got_entry - got_offset;
1106
1107
  /* Check whether we can use the short plt entry with 16-bit offset.  */
1108
0
  bool short_plt_entry =
1109
0
    (dist_got_entry <= 0x7fff && dist_got0 >= -0x8000);
1110
1111
  /* Copy the plt entry template.  */
1112
0
  memcpy (splt->contents + offset,
1113
0
    short_plt_entry ? tilepro_short_plt_entry : tilepro_long_plt_entry,
1114
0
    PLT_ENTRY_SIZE);
1115
1116
  /* Write the immediate offsets.  */
1117
0
  pc = (tilepro_bundle_bits *)(splt->contents + offset);
1118
0
  pc++;
1119
1120
0
  if (!short_plt_entry)
1121
0
    {
1122
      /* { auli r28, r28, &GOTPLT[MY_GOT_INDEX] ; auli r27, r28, &GOTPLT[0] } */
1123
0
      *pc++ |= create_Imm16_X0 (tilepro_ha16 (dist_got_entry))
1124
0
  | create_Imm16_X1 (tilepro_ha16 (dist_got0));
1125
0
    }
1126
1127
  /* { addli r28, r28, &GOTPLT[MY_GOT_INDEX] ; addli r27, r28, &GOTPLT[0] } or
1128
     { addli r28, r28, &GOTPLT[MY_GOT_INDEX] ; addli r27, r27, &GOTPLT[0] } */
1129
0
  *pc++ |= create_Imm16_X0 (dist_got_entry)
1130
0
    | create_Imm16_X1 (dist_got0);
1131
1132
  /* { auli r29, zero, MY_PLT_INDEX ; lw r28, r28 } */
1133
0
  *pc |= create_Imm16_X0 (plt_index);
1134
1135
  /* Set the relocation offset.  */
1136
0
  *r_offset = got_offset;
1137
1138
0
  return plt_index;
1139
0
}
1140
1141
0
#define TILEPRO_ELF_RELA_BYTES (sizeof(Elf32_External_Rela))
1142
1143
1144
/* Create an entry in an TILEPro ELF linker hash table.  */
1145
1146
static struct bfd_hash_entry *
1147
link_hash_newfunc (struct bfd_hash_entry *entry,
1148
       struct bfd_hash_table *table, const char *string)
1149
0
{
1150
  /* Allocate the structure if it has not already been allocated by a
1151
     subclass.  */
1152
0
  if (entry == NULL)
1153
0
    {
1154
0
      entry =
1155
0
  bfd_hash_allocate (table,
1156
0
         sizeof (struct tilepro_elf_link_hash_entry));
1157
0
      if (entry == NULL)
1158
0
  return entry;
1159
0
    }
1160
1161
  /* Call the allocation method of the superclass.  */
1162
0
  entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1163
0
  if (entry != NULL)
1164
0
    {
1165
0
      struct tilepro_elf_link_hash_entry *eh;
1166
1167
0
      eh = (struct tilepro_elf_link_hash_entry *) entry;
1168
0
      eh->tls_type = GOT_UNKNOWN;
1169
0
    }
1170
1171
0
  return entry;
1172
0
}
1173
1174
/* Create a TILEPRO ELF linker hash table.  */
1175
1176
static struct bfd_link_hash_table *
1177
tilepro_elf_link_hash_table_create (bfd *abfd)
1178
0
{
1179
0
  struct elf_link_hash_table *ret;
1180
0
  size_t amt = sizeof (struct elf_link_hash_table);
1181
1182
0
  ret = (struct elf_link_hash_table *) bfd_zmalloc (amt);
1183
0
  if (ret == NULL)
1184
0
    return NULL;
1185
1186
0
  if (!_bfd_elf_link_hash_table_init (ret, abfd, link_hash_newfunc,
1187
0
              sizeof (struct tilepro_elf_link_hash_entry),
1188
0
              TILEPRO_ELF_DATA))
1189
0
    {
1190
0
      free (ret);
1191
0
      return NULL;
1192
0
    }
1193
1194
0
  return &ret->root;
1195
0
}
1196
1197
/* Create the .got section.  */
1198
1199
static bool
1200
tilepro_elf_create_got_section (bfd *abfd, struct bfd_link_info *info)
1201
0
{
1202
0
  flagword flags;
1203
0
  asection *s, *s_got;
1204
0
  struct elf_link_hash_entry *h;
1205
0
  const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1206
0
  struct elf_link_hash_table *htab = elf_hash_table (info);
1207
1208
  /* This function may be called more than once.  */
1209
0
  if (htab->sgot != NULL)
1210
0
    return true;
1211
1212
0
  flags = bed->dynamic_sec_flags;
1213
1214
0
  s = bfd_make_section_with_flags (abfd,
1215
0
           (bed->rela_plts_and_copies_p
1216
0
            ? ".rela.got" : ".rel.got"),
1217
0
           (bed->dynamic_sec_flags
1218
0
            | SEC_READONLY));
1219
0
  if (s == NULL
1220
0
      || !bfd_set_section_alignment (s, bed->s->log_file_align))
1221
0
    return false;
1222
0
  htab->srelgot = s;
1223
1224
0
  s = s_got = bfd_make_section_with_flags (abfd, ".got", flags);
1225
0
  if (s == NULL
1226
0
      || !bfd_set_section_alignment (s, bed->s->log_file_align))
1227
0
    return false;
1228
0
  htab->sgot = s;
1229
1230
  /* The first bit of the global offset table is the header.  */
1231
0
  s->size += bed->got_header_size;
1232
1233
0
  if (bed->want_got_plt)
1234
0
    {
1235
0
      s = bfd_make_section_with_flags (abfd, ".got.plt", flags);
1236
0
      if (s == NULL
1237
0
    || !bfd_set_section_alignment (s, bed->s->log_file_align))
1238
0
  return false;
1239
0
      htab->sgotplt = s;
1240
1241
      /* Reserve room for the header.  */
1242
0
      s->size += GOTPLT_HEADER_SIZE;
1243
0
    }
1244
1245
0
  if (bed->want_got_sym)
1246
0
    {
1247
      /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got
1248
   section.  We don't do this in the linker script because we don't want
1249
   to define the symbol if we are not creating a global offset
1250
   table.  */
1251
0
      h = _bfd_elf_define_linkage_sym (abfd, info, s_got,
1252
0
               "_GLOBAL_OFFSET_TABLE_");
1253
0
      elf_hash_table (info)->hgot = h;
1254
0
      if (h == NULL)
1255
0
  return false;
1256
0
    }
1257
1258
0
  return true;
1259
0
}
1260
1261
/* Create .plt, .rela.plt, .got, .got.plt, .rela.got, .dynbss, and
1262
   .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1263
   hash table.  */
1264
1265
static bool
1266
tilepro_elf_create_dynamic_sections (bfd *dynobj,
1267
             struct bfd_link_info *info)
1268
0
{
1269
0
  if (!tilepro_elf_create_got_section (dynobj, info))
1270
0
    return false;
1271
1272
0
  return _bfd_elf_create_dynamic_sections (dynobj, info);
1273
0
}
1274
1275
/* Copy the extra info we tack onto an elf_link_hash_entry.  */
1276
1277
static void
1278
tilepro_elf_copy_indirect_symbol (struct bfd_link_info *info,
1279
          struct elf_link_hash_entry *dir,
1280
          struct elf_link_hash_entry *ind)
1281
0
{
1282
0
  struct tilepro_elf_link_hash_entry *edir, *eind;
1283
1284
0
  edir = (struct tilepro_elf_link_hash_entry *) dir;
1285
0
  eind = (struct tilepro_elf_link_hash_entry *) ind;
1286
1287
0
  if (ind->root.type == bfd_link_hash_indirect
1288
0
      && dir->got.refcount <= 0)
1289
0
    {
1290
0
      edir->tls_type = eind->tls_type;
1291
0
      eind->tls_type = GOT_UNKNOWN;
1292
0
    }
1293
0
  _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1294
0
}
1295
1296
static int
1297
tilepro_tls_translate_to_le (int r_type)
1298
0
{
1299
0
  switch (r_type)
1300
0
    {
1301
0
    case R_TILEPRO_IMM16_X0_TLS_GD:
1302
0
    case R_TILEPRO_IMM16_X0_TLS_IE:
1303
0
      return R_TILEPRO_IMM16_X0_TLS_LE;
1304
1305
0
    case R_TILEPRO_IMM16_X1_TLS_GD:
1306
0
    case R_TILEPRO_IMM16_X1_TLS_IE:
1307
0
      return R_TILEPRO_IMM16_X1_TLS_LE;
1308
1309
0
    case R_TILEPRO_IMM16_X0_TLS_GD_LO:
1310
0
    case R_TILEPRO_IMM16_X0_TLS_IE_LO:
1311
0
      return R_TILEPRO_IMM16_X0_TLS_LE_LO;
1312
1313
0
    case R_TILEPRO_IMM16_X1_TLS_GD_LO:
1314
0
    case R_TILEPRO_IMM16_X1_TLS_IE_LO:
1315
0
      return R_TILEPRO_IMM16_X1_TLS_LE_LO;
1316
1317
0
    case R_TILEPRO_IMM16_X0_TLS_GD_HI:
1318
0
    case R_TILEPRO_IMM16_X0_TLS_IE_HI:
1319
0
      return R_TILEPRO_IMM16_X0_TLS_LE_HI;
1320
1321
0
    case R_TILEPRO_IMM16_X1_TLS_GD_HI:
1322
0
    case R_TILEPRO_IMM16_X1_TLS_IE_HI:
1323
0
      return R_TILEPRO_IMM16_X1_TLS_LE_HI;
1324
1325
0
    case R_TILEPRO_IMM16_X0_TLS_GD_HA:
1326
0
    case R_TILEPRO_IMM16_X0_TLS_IE_HA:
1327
0
      return R_TILEPRO_IMM16_X0_TLS_LE_HA;
1328
1329
0
    case R_TILEPRO_IMM16_X1_TLS_GD_HA:
1330
0
    case R_TILEPRO_IMM16_X1_TLS_IE_HA:
1331
0
      return R_TILEPRO_IMM16_X1_TLS_LE_HA;
1332
0
    }
1333
0
  return r_type;
1334
0
}
1335
1336
static int
1337
tilepro_tls_translate_to_ie (int r_type)
1338
0
{
1339
0
  switch (r_type)
1340
0
    {
1341
0
    case R_TILEPRO_IMM16_X0_TLS_GD:
1342
0
    case R_TILEPRO_IMM16_X0_TLS_IE:
1343
0
      return R_TILEPRO_IMM16_X0_TLS_IE;
1344
1345
0
    case R_TILEPRO_IMM16_X1_TLS_GD:
1346
0
    case R_TILEPRO_IMM16_X1_TLS_IE:
1347
0
      return R_TILEPRO_IMM16_X1_TLS_IE;
1348
1349
0
    case R_TILEPRO_IMM16_X0_TLS_GD_LO:
1350
0
    case R_TILEPRO_IMM16_X0_TLS_IE_LO:
1351
0
      return R_TILEPRO_IMM16_X0_TLS_IE_LO;
1352
1353
0
    case R_TILEPRO_IMM16_X1_TLS_GD_LO:
1354
0
    case R_TILEPRO_IMM16_X1_TLS_IE_LO:
1355
0
      return R_TILEPRO_IMM16_X1_TLS_IE_LO;
1356
1357
0
    case R_TILEPRO_IMM16_X0_TLS_GD_HI:
1358
0
    case R_TILEPRO_IMM16_X0_TLS_IE_HI:
1359
0
      return R_TILEPRO_IMM16_X0_TLS_IE_HI;
1360
1361
0
    case R_TILEPRO_IMM16_X1_TLS_GD_HI:
1362
0
    case R_TILEPRO_IMM16_X1_TLS_IE_HI:
1363
0
      return R_TILEPRO_IMM16_X1_TLS_IE_HI;
1364
1365
0
    case R_TILEPRO_IMM16_X0_TLS_GD_HA:
1366
0
    case R_TILEPRO_IMM16_X0_TLS_IE_HA:
1367
0
      return R_TILEPRO_IMM16_X0_TLS_IE_HA;
1368
1369
0
    case R_TILEPRO_IMM16_X1_TLS_GD_HA:
1370
0
    case R_TILEPRO_IMM16_X1_TLS_IE_HA:
1371
0
      return R_TILEPRO_IMM16_X1_TLS_IE_HA;
1372
0
    }
1373
0
  return r_type;
1374
0
}
1375
1376
static int
1377
tilepro_elf_tls_transition (struct bfd_link_info *info, int r_type,
1378
          int is_local)
1379
0
{
1380
0
  if (!bfd_link_executable (info))
1381
0
    return r_type;
1382
1383
0
  if (is_local)
1384
0
    return tilepro_tls_translate_to_le (r_type);
1385
0
  else
1386
0
    return tilepro_tls_translate_to_ie (r_type);
1387
0
}
1388
1389
/* Look through the relocs for a section during the first phase, and
1390
   allocate space in the global offset table or procedure linkage
1391
   table.  */
1392
1393
static bool
1394
tilepro_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1395
        asection *sec, const Elf_Internal_Rela *relocs)
1396
0
{
1397
0
  struct elf_link_hash_table *htab;
1398
0
  Elf_Internal_Shdr *symtab_hdr;
1399
0
  struct elf_link_hash_entry **sym_hashes;
1400
0
  const Elf_Internal_Rela *rel;
1401
0
  const Elf_Internal_Rela *rel_end;
1402
0
  asection *sreloc;
1403
0
  int num_relocs;
1404
1405
0
  if (bfd_link_relocatable (info))
1406
0
    return true;
1407
1408
0
  htab = tilepro_elf_hash_table (info);
1409
0
  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1410
0
  sym_hashes = elf_sym_hashes (abfd);
1411
1412
0
  sreloc = NULL;
1413
1414
0
  num_relocs = sec->reloc_count;
1415
1416
0
  BFD_ASSERT (is_tilepro_elf (abfd) || num_relocs == 0);
1417
1418
0
  if (htab->dynobj == NULL)
1419
0
    htab->dynobj = abfd;
1420
1421
0
  rel_end = relocs + num_relocs;
1422
0
  for (rel = relocs; rel < rel_end; rel++)
1423
0
    {
1424
0
      unsigned int r_type;
1425
0
      unsigned int r_symndx;
1426
0
      struct elf_link_hash_entry *h;
1427
0
      int tls_type;
1428
1429
0
      r_symndx = ELF32_R_SYM (rel->r_info);
1430
0
      r_type = ELF32_R_TYPE (rel->r_info);
1431
1432
0
      if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1433
0
  {
1434
    /* xgettext:c-format */
1435
0
    _bfd_error_handler (_("%pB: bad symbol index: %d"),
1436
0
            abfd, r_symndx);
1437
0
    return false;
1438
0
  }
1439
1440
0
      if (r_symndx < symtab_hdr->sh_info)
1441
0
  h = NULL;
1442
0
      else
1443
0
  {
1444
0
    h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1445
0
    while (h->root.type == bfd_link_hash_indirect
1446
0
     || h->root.type == bfd_link_hash_warning)
1447
0
      h = (struct elf_link_hash_entry *) h->root.u.i.link;
1448
0
  }
1449
1450
0
      r_type = tilepro_elf_tls_transition (info, r_type, h == NULL);
1451
0
      switch (r_type)
1452
0
  {
1453
0
  case R_TILEPRO_IMM16_X0_TLS_LE:
1454
0
  case R_TILEPRO_IMM16_X1_TLS_LE:
1455
0
  case R_TILEPRO_IMM16_X0_TLS_LE_LO:
1456
0
  case R_TILEPRO_IMM16_X1_TLS_LE_LO:
1457
0
  case R_TILEPRO_IMM16_X0_TLS_LE_HI:
1458
0
  case R_TILEPRO_IMM16_X1_TLS_LE_HI:
1459
0
  case R_TILEPRO_IMM16_X0_TLS_LE_HA:
1460
0
  case R_TILEPRO_IMM16_X1_TLS_LE_HA:
1461
0
    if (!bfd_link_executable (info))
1462
0
      goto r_tilepro_plt32;
1463
0
    break;
1464
1465
0
  case R_TILEPRO_IMM16_X0_TLS_GD:
1466
0
  case R_TILEPRO_IMM16_X1_TLS_GD:
1467
0
  case R_TILEPRO_IMM16_X0_TLS_GD_LO:
1468
0
  case R_TILEPRO_IMM16_X1_TLS_GD_LO:
1469
0
  case R_TILEPRO_IMM16_X0_TLS_GD_HI:
1470
0
  case R_TILEPRO_IMM16_X1_TLS_GD_HI:
1471
0
  case R_TILEPRO_IMM16_X0_TLS_GD_HA:
1472
0
  case R_TILEPRO_IMM16_X1_TLS_GD_HA:
1473
0
    BFD_ASSERT (bfd_link_pic (info));
1474
0
    tls_type = GOT_TLS_GD;
1475
0
    goto have_got_reference;
1476
1477
0
  case R_TILEPRO_IMM16_X0_TLS_IE:
1478
0
  case R_TILEPRO_IMM16_X1_TLS_IE:
1479
0
  case R_TILEPRO_IMM16_X0_TLS_IE_LO:
1480
0
  case R_TILEPRO_IMM16_X1_TLS_IE_LO:
1481
0
  case R_TILEPRO_IMM16_X0_TLS_IE_HI:
1482
0
  case R_TILEPRO_IMM16_X1_TLS_IE_HI:
1483
0
  case R_TILEPRO_IMM16_X0_TLS_IE_HA:
1484
0
  case R_TILEPRO_IMM16_X1_TLS_IE_HA:
1485
0
    tls_type = GOT_TLS_IE;
1486
0
    if (!bfd_link_executable (info))
1487
0
      info->flags |= DF_STATIC_TLS;
1488
0
    goto have_got_reference;
1489
1490
0
  case R_TILEPRO_IMM16_X0_GOT:
1491
0
  case R_TILEPRO_IMM16_X1_GOT:
1492
0
  case R_TILEPRO_IMM16_X0_GOT_LO:
1493
0
  case R_TILEPRO_IMM16_X1_GOT_LO:
1494
0
  case R_TILEPRO_IMM16_X0_GOT_HI:
1495
0
  case R_TILEPRO_IMM16_X1_GOT_HI:
1496
0
  case R_TILEPRO_IMM16_X0_GOT_HA:
1497
0
  case R_TILEPRO_IMM16_X1_GOT_HA:
1498
0
     tls_type = GOT_NORMAL;
1499
     /* Fall Through */
1500
1501
0
  have_got_reference:
1502
    /* This symbol requires a global offset table entry.  */
1503
0
    {
1504
0
      int old_tls_type;
1505
1506
0
      if (h != NULL)
1507
0
        {
1508
0
    h->got.refcount += 1;
1509
0
    old_tls_type = tilepro_elf_hash_entry(h)->tls_type;
1510
0
        }
1511
0
      else
1512
0
        {
1513
0
    bfd_signed_vma *local_got_refcounts;
1514
1515
    /* This is a global offset table entry for a local symbol.  */
1516
0
    local_got_refcounts = elf_local_got_refcounts (abfd);
1517
0
    if (local_got_refcounts == NULL)
1518
0
      {
1519
0
        bfd_size_type size;
1520
1521
0
        size = symtab_hdr->sh_info;
1522
0
        size *= (sizeof (bfd_signed_vma) + sizeof(char));
1523
0
        local_got_refcounts = ((bfd_signed_vma *)
1524
0
             bfd_zalloc (abfd, size));
1525
0
        if (local_got_refcounts == NULL)
1526
0
          return false;
1527
0
        elf_local_got_refcounts (abfd) = local_got_refcounts;
1528
0
        _bfd_tilepro_elf_local_got_tls_type (abfd)
1529
0
          = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1530
0
      }
1531
0
    local_got_refcounts[r_symndx] += 1;
1532
0
    old_tls_type =
1533
0
      _bfd_tilepro_elf_local_got_tls_type (abfd) [r_symndx];
1534
0
        }
1535
1536
      /* If a TLS symbol is accessed using IE at least once,
1537
         there is no point to use dynamic model for it.  */
1538
0
      if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1539
0
    && (old_tls_type != GOT_TLS_GD
1540
0
        || tls_type != GOT_TLS_IE))
1541
0
        {
1542
0
    if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1543
0
      tls_type = old_tls_type;
1544
0
    else
1545
0
      {
1546
0
        _bfd_error_handler
1547
          /* xgettext:c-format */
1548
0
          (_("%pB: `%s' accessed both as normal and thread local symbol"),
1549
0
           abfd, h ? h->root.root.string : "<local>");
1550
0
        return false;
1551
0
      }
1552
0
        }
1553
1554
0
      if (old_tls_type != tls_type)
1555
0
        {
1556
0
    if (h != NULL)
1557
0
      tilepro_elf_hash_entry (h)->tls_type = tls_type;
1558
0
    else
1559
0
      _bfd_tilepro_elf_local_got_tls_type (abfd) [r_symndx] =
1560
0
        tls_type;
1561
0
        }
1562
0
    }
1563
1564
0
    if (htab->sgot == NULL)
1565
0
      {
1566
0
        if (!tilepro_elf_create_got_section (htab->dynobj, info))
1567
0
    return false;
1568
0
      }
1569
0
    break;
1570
1571
0
  case R_TILEPRO_TLS_GD_CALL:
1572
0
    if (!bfd_link_executable (info))
1573
0
      {
1574
        /* These are basically R_TILEPRO_JOFFLONG_X1_PLT relocs
1575
     against __tls_get_addr.  */
1576
0
        struct bfd_link_hash_entry *bh = NULL;
1577
0
        if (! _bfd_generic_link_add_one_symbol (info, abfd,
1578
0
                  "__tls_get_addr", 0,
1579
0
                  bfd_und_section_ptr, 0,
1580
0
                  NULL, false, false,
1581
0
                  &bh))
1582
0
    return false;
1583
0
        h = (struct elf_link_hash_entry *) bh;
1584
0
      }
1585
0
    else
1586
0
      break;
1587
    /* Fall through */
1588
1589
0
  case R_TILEPRO_JOFFLONG_X1_PLT:
1590
    /* This symbol requires a procedure linkage table entry.  We
1591
       actually build the entry in adjust_dynamic_symbol,
1592
       because this might be a case of linking PIC code without
1593
       linking in any dynamic objects, in which case we don't
1594
       need to generate a procedure linkage table after all.  */
1595
1596
0
    if (h != NULL)
1597
0
      {
1598
0
        h->needs_plt = 1;
1599
0
        h->plt.refcount += 1;
1600
0
      }
1601
0
    break;
1602
1603
0
  case R_TILEPRO_32_PCREL:
1604
0
  case R_TILEPRO_16_PCREL:
1605
0
  case R_TILEPRO_8_PCREL:
1606
0
  case R_TILEPRO_IMM16_X0_PCREL:
1607
0
  case R_TILEPRO_IMM16_X1_PCREL:
1608
0
  case R_TILEPRO_IMM16_X0_LO_PCREL:
1609
0
  case R_TILEPRO_IMM16_X1_LO_PCREL:
1610
0
  case R_TILEPRO_IMM16_X0_HI_PCREL:
1611
0
  case R_TILEPRO_IMM16_X1_HI_PCREL:
1612
0
  case R_TILEPRO_IMM16_X0_HA_PCREL:
1613
0
  case R_TILEPRO_IMM16_X1_HA_PCREL:
1614
0
    if (h != NULL)
1615
0
      h->non_got_ref = 1;
1616
1617
0
    if (h != NULL
1618
0
        && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1619
0
      break;
1620
    /* Fall through.  */
1621
1622
0
  case R_TILEPRO_32:
1623
0
  case R_TILEPRO_16:
1624
0
  case R_TILEPRO_8:
1625
0
  case R_TILEPRO_LO16:
1626
0
  case R_TILEPRO_HI16:
1627
0
  case R_TILEPRO_HA16:
1628
0
  case R_TILEPRO_COPY:
1629
0
  case R_TILEPRO_GLOB_DAT:
1630
0
  case R_TILEPRO_JMP_SLOT:
1631
0
  case R_TILEPRO_RELATIVE:
1632
0
  case R_TILEPRO_BROFF_X1:
1633
0
  case R_TILEPRO_JOFFLONG_X1:
1634
0
  case R_TILEPRO_IMM8_X0:
1635
0
  case R_TILEPRO_IMM8_Y0:
1636
0
  case R_TILEPRO_IMM8_X1:
1637
0
  case R_TILEPRO_IMM8_Y1:
1638
0
  case R_TILEPRO_DEST_IMM8_X1:
1639
0
  case R_TILEPRO_MT_IMM15_X1:
1640
0
  case R_TILEPRO_MF_IMM15_X1:
1641
0
  case R_TILEPRO_IMM16_X0:
1642
0
  case R_TILEPRO_IMM16_X1:
1643
0
  case R_TILEPRO_IMM16_X0_LO:
1644
0
  case R_TILEPRO_IMM16_X1_LO:
1645
0
  case R_TILEPRO_IMM16_X0_HI:
1646
0
  case R_TILEPRO_IMM16_X1_HI:
1647
0
  case R_TILEPRO_IMM16_X0_HA:
1648
0
  case R_TILEPRO_IMM16_X1_HA:
1649
0
  case R_TILEPRO_MMSTART_X0:
1650
0
  case R_TILEPRO_MMEND_X0:
1651
0
  case R_TILEPRO_MMSTART_X1:
1652
0
  case R_TILEPRO_MMEND_X1:
1653
0
  case R_TILEPRO_SHAMT_X0:
1654
0
  case R_TILEPRO_SHAMT_X1:
1655
0
  case R_TILEPRO_SHAMT_Y0:
1656
0
  case R_TILEPRO_SHAMT_Y1:
1657
0
    if (h != NULL)
1658
0
        h->non_got_ref = 1;
1659
1660
0
  r_tilepro_plt32:
1661
0
    if (h != NULL && !bfd_link_pic (info))
1662
0
      {
1663
        /* We may need a .plt entry if the function this reloc
1664
     refers to is in a shared lib.  */
1665
0
        h->plt.refcount += 1;
1666
0
      }
1667
1668
    /* If we are creating a shared library, and this is a reloc
1669
       against a global symbol, or a non PC relative reloc
1670
       against a local symbol, then we need to copy the reloc
1671
       into the shared library.  However, if we are linking with
1672
       -Bsymbolic, we do not need to copy a reloc against a
1673
       global symbol which is defined in an object we are
1674
       including in the link (i.e., DEF_REGULAR is set).  At
1675
       this point we have not seen all the input files, so it is
1676
       possible that DEF_REGULAR is not set now but will be set
1677
       later (it is never cleared).  In case of a weak definition,
1678
       DEF_REGULAR may be cleared later by a strong definition in
1679
       a shared library.  We account for that possibility below by
1680
       storing information in the relocs_copied field of the hash
1681
       table entry.  A similar situation occurs when creating
1682
       shared libraries and symbol visibility changes render the
1683
       symbol local.
1684
1685
       If on the other hand, we are creating an executable, we
1686
       may need to keep relocations for symbols satisfied by a
1687
       dynamic library if we manage to avoid copy relocs for the
1688
       symbol.  */
1689
0
    if ((bfd_link_pic (info)
1690
0
         && (sec->flags & SEC_ALLOC) != 0
1691
0
         && (! tilepro_elf_howto_table[r_type].pc_relative
1692
0
       || (h != NULL
1693
0
           && (! info->symbolic
1694
0
         || h->root.type == bfd_link_hash_defweak
1695
0
         || !h->def_regular))))
1696
0
        || (!bfd_link_pic (info)
1697
0
      && (sec->flags & SEC_ALLOC) != 0
1698
0
      && h != NULL
1699
0
      && (h->root.type == bfd_link_hash_defweak
1700
0
          || !h->def_regular)))
1701
0
      {
1702
0
        struct elf_dyn_relocs *p;
1703
0
        struct elf_dyn_relocs **head;
1704
1705
        /* When creating a shared object, we must copy these
1706
     relocs into the output file.  We create a reloc
1707
     section in dynobj and make room for the reloc.  */
1708
0
        if (sreloc == NULL)
1709
0
    {
1710
0
      sreloc = _bfd_elf_make_dynamic_reloc_section
1711
0
        (sec, htab->dynobj, 2, abfd, /*rela?*/ true);
1712
1713
0
      if (sreloc == NULL)
1714
0
        return false;
1715
0
    }
1716
1717
        /* If this is a global symbol, we count the number of
1718
     relocations we need for this symbol.  */
1719
0
        if (h != NULL)
1720
0
    head = &h->dyn_relocs;
1721
0
        else
1722
0
    {
1723
      /* Track dynamic relocs needed for local syms too.
1724
         We really need local syms available to do this
1725
         easily.  Oh well.  */
1726
1727
0
      asection *s;
1728
0
      void *vpp;
1729
0
      Elf_Internal_Sym *isym;
1730
1731
0
      isym = bfd_sym_from_r_symndx (&htab->sym_cache,
1732
0
            abfd, r_symndx);
1733
0
      if (isym == NULL)
1734
0
        return false;
1735
1736
0
      s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1737
0
      if (s == NULL)
1738
0
        s = sec;
1739
1740
0
      vpp = &elf_section_data (s)->local_dynrel;
1741
0
      head = (struct elf_dyn_relocs **) vpp;
1742
0
    }
1743
1744
0
        p = *head;
1745
0
        if (p == NULL || p->sec != sec)
1746
0
    {
1747
0
      size_t amt = sizeof *p;
1748
0
      p = ((struct elf_dyn_relocs *)
1749
0
           bfd_alloc (htab->dynobj, amt));
1750
0
      if (p == NULL)
1751
0
        return false;
1752
0
      p->next = *head;
1753
0
      *head = p;
1754
0
      p->sec = sec;
1755
0
      p->count = 0;
1756
0
      p->pc_count = 0;
1757
0
    }
1758
1759
0
        p->count += 1;
1760
0
        if (tilepro_elf_howto_table[r_type].pc_relative)
1761
0
    p->pc_count += 1;
1762
0
      }
1763
1764
0
    break;
1765
1766
0
  case R_TILEPRO_GNU_VTINHERIT:
1767
0
    if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1768
0
      return false;
1769
0
    break;
1770
1771
0
  case R_TILEPRO_GNU_VTENTRY:
1772
0
    if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1773
0
      return false;
1774
0
    break;
1775
1776
0
  default:
1777
0
    break;
1778
0
  }
1779
0
    }
1780
1781
0
  return true;
1782
0
}
1783
1784

1785
static asection *
1786
tilepro_elf_gc_mark_hook (asection *sec,
1787
        struct bfd_link_info *info,
1788
        Elf_Internal_Rela *rel,
1789
        struct elf_link_hash_entry *h,
1790
        Elf_Internal_Sym *sym)
1791
0
{
1792
0
  if (h != NULL)
1793
0
    {
1794
0
      switch (ELF32_R_TYPE (rel->r_info))
1795
0
  {
1796
0
  case R_TILEPRO_GNU_VTINHERIT:
1797
0
  case R_TILEPRO_GNU_VTENTRY:
1798
0
    return NULL;
1799
0
  }
1800
0
    }
1801
1802
  /* FIXME: The test here, in check_relocs and in relocate_section
1803
     dealing with TLS optimization, ought to be !bfd_link_executable (info).  */
1804
0
  if (bfd_link_pic (info))
1805
0
    {
1806
0
      struct bfd_link_hash_entry *bh;
1807
1808
0
      switch (ELF32_R_TYPE (rel->r_info))
1809
0
  {
1810
0
  case R_TILEPRO_TLS_GD_CALL:
1811
    /* This reloc implicitly references __tls_get_addr.  We know
1812
       another reloc will reference the same symbol as the one
1813
       on this reloc, so the real symbol and section will be
1814
       gc marked when processing the other reloc.  That lets
1815
       us handle __tls_get_addr here.  */
1816
0
    bh = NULL;
1817
0
    if (! _bfd_generic_link_add_one_symbol (info, sec->owner,
1818
0
              "__tls_get_addr", 0,
1819
0
              bfd_und_section_ptr,
1820
0
              0, NULL, false,
1821
0
              false, &bh))
1822
0
      return NULL;
1823
0
    h = (struct elf_link_hash_entry *) bh;
1824
0
    BFD_ASSERT (h != NULL);
1825
0
    h->mark = 1;
1826
0
    if (h->is_weakalias)
1827
0
      weakdef (h)->mark = 1;
1828
0
    sym = NULL;
1829
0
  }
1830
0
    }
1831
1832
0
  return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1833
0
}
1834
1835
/* Adjust a symbol defined by a dynamic object and referenced by a
1836
   regular object.  The current definition is in some section of the
1837
   dynamic object, but we're not including those sections.  We have to
1838
   change the definition to something the rest of the link can
1839
   understand.  */
1840
1841
static bool
1842
tilepro_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1843
           struct elf_link_hash_entry *h)
1844
0
{
1845
0
  struct elf_link_hash_table *htab;
1846
0
  asection *s, *srel;
1847
1848
0
  htab = tilepro_elf_hash_table (info);
1849
0
  BFD_ASSERT (htab != NULL);
1850
1851
  /* Make sure we know what is going on here.  */
1852
0
  BFD_ASSERT (htab->dynobj != NULL
1853
0
        && (h->needs_plt
1854
0
      || h->is_weakalias
1855
0
      || (h->def_dynamic
1856
0
          && h->ref_regular
1857
0
          && !h->def_regular)));
1858
1859
  /* If this is a function, put it in the procedure linkage table.  We
1860
     will fill in the contents of the procedure linkage table later
1861
     (although we could actually do it here). */
1862
0
  if (h->type == STT_FUNC || h->needs_plt)
1863
0
    {
1864
0
      if (h->plt.refcount <= 0
1865
0
    || SYMBOL_CALLS_LOCAL (info, h)
1866
0
    || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
1867
0
        && h->root.type == bfd_link_hash_undefweak))
1868
0
  {
1869
    /* This case can occur if we saw a R_TILEPRO_JOFFLONG_X1_PLT
1870
       reloc in an input file, but the symbol was never referred
1871
       to by a dynamic object, or if all references were garbage
1872
       collected.  In such a case, we don't actually need to build
1873
       a procedure linkage table, and we can just do a
1874
       R_TILEPRO_JOFFLONG_X1 relocation instead. */
1875
0
    h->plt.offset = (bfd_vma) -1;
1876
0
    h->needs_plt = 0;
1877
0
  }
1878
1879
0
      return true;
1880
0
    }
1881
0
  else
1882
0
    h->plt.offset = (bfd_vma) -1;
1883
1884
  /* If this is a weak symbol, and there is a real definition, the
1885
     processor independent code will have arranged for us to see the
1886
     real definition first, and we can just use the same value.  */
1887
0
  if (h->is_weakalias)
1888
0
    {
1889
0
      struct elf_link_hash_entry *def = weakdef (h);
1890
0
      BFD_ASSERT (def->root.type == bfd_link_hash_defined);
1891
0
      h->root.u.def.section = def->root.u.def.section;
1892
0
      h->root.u.def.value = def->root.u.def.value;
1893
0
      return true;
1894
0
    }
1895
1896
  /* This is a reference to a symbol defined by a dynamic object which
1897
     is not a function.  */
1898
1899
  /* If we are creating a shared library, we must presume that the
1900
     only references to the symbol are via the global offset table.
1901
     For such cases we need not do anything here; the relocations will
1902
     be handled correctly by relocate_section.  */
1903
0
  if (bfd_link_pic (info))
1904
0
    return true;
1905
1906
  /* If there are no references to this symbol that do not use the
1907
     GOT, we don't need to generate a copy reloc.  */
1908
0
  if (!h->non_got_ref)
1909
0
    return true;
1910
1911
  /* If -z nocopyreloc was given, we won't generate them either.  */
1912
0
  if (info->nocopyreloc)
1913
0
    {
1914
0
      h->non_got_ref = 0;
1915
0
      return true;
1916
0
    }
1917
1918
  /* If we don't find any dynamic relocs in read-only sections, then
1919
     we'll be keeping the dynamic relocs and avoiding the copy reloc.  */
1920
0
  if (!_bfd_elf_readonly_dynrelocs (h))
1921
0
    {
1922
0
      h->non_got_ref = 0;
1923
0
      return true;
1924
0
    }
1925
1926
  /* We must allocate the symbol in our .dynbss section, which will
1927
     become part of the .bss section of the executable.  There will be
1928
     an entry for this symbol in the .dynsym section.  The dynamic
1929
     object will contain position independent code, so all references
1930
     from the dynamic object to this symbol will go through the global
1931
     offset table.  The dynamic linker will use the .dynsym entry to
1932
     determine the address it must put in the global offset table, so
1933
     both the dynamic object and the regular object will refer to the
1934
     same memory location for the variable.  */
1935
1936
  /* We must generate a R_TILEPRO_COPY reloc to tell the dynamic linker
1937
     to copy the initial value out of the dynamic object and into the
1938
     runtime process image.  We need to remember the offset into the
1939
     .rel.bss section we are going to use.  */
1940
0
  if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
1941
0
    {
1942
0
      s = htab->sdynrelro;
1943
0
      srel = htab->sreldynrelro;
1944
0
    }
1945
0
  else
1946
0
    {
1947
0
      s = htab->sdynbss;
1948
0
      srel = htab->srelbss;
1949
0
    }
1950
0
  if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
1951
0
    {
1952
0
      srel->size += TILEPRO_ELF_RELA_BYTES;
1953
0
      h->needs_copy = 1;
1954
0
    }
1955
1956
0
  return _bfd_elf_adjust_dynamic_copy (info, h, s);
1957
0
}
1958
1959
/* Allocate space in .plt, .got and associated reloc sections for
1960
   dynamic relocs.  */
1961
1962
static bool
1963
allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
1964
0
{
1965
0
  struct bfd_link_info *info;
1966
0
  struct elf_link_hash_table *htab;
1967
0
  struct elf_dyn_relocs *p;
1968
1969
0
  if (h->root.type == bfd_link_hash_indirect)
1970
0
    return true;
1971
1972
0
  info = (struct bfd_link_info *) inf;
1973
0
  htab = tilepro_elf_hash_table (info);
1974
0
  BFD_ASSERT (htab != NULL);
1975
1976
0
  if (htab->dynamic_sections_created
1977
0
      && h->plt.refcount > 0)
1978
0
    {
1979
      /* Make sure this symbol is output as a dynamic symbol.
1980
   Undefined weak syms won't yet be marked as dynamic.  */
1981
0
      if (h->dynindx == -1
1982
0
    && !h->forced_local)
1983
0
  {
1984
0
    if (! bfd_elf_link_record_dynamic_symbol (info, h))
1985
0
      return false;
1986
0
  }
1987
1988
0
      if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h))
1989
0
  {
1990
0
    asection *s = htab->splt;
1991
1992
    /* Allocate room for the header.  */
1993
0
    if (s->size == 0)
1994
0
      {
1995
0
        s->size = PLT_ENTRY_SIZE;
1996
0
      }
1997
1998
0
    h->plt.offset = s->size;
1999
2000
    /* If this symbol is not defined in a regular file, and we are
2001
       not generating a shared library, then set the symbol to this
2002
       location in the .plt.  This is required to make function
2003
       pointers compare as equal between the normal executable and
2004
       the shared library.  */
2005
0
    if (! bfd_link_pic (info)
2006
0
        && !h->def_regular)
2007
0
      {
2008
0
        h->root.u.def.section = s;
2009
0
        h->root.u.def.value = h->plt.offset;
2010
0
      }
2011
2012
    /* Make room for this entry.  */
2013
0
    s->size += PLT_ENTRY_SIZE;
2014
2015
    /* We also need to make an entry in the .got.plt section.  */
2016
0
    htab->sgotplt->size += GOT_ENTRY_SIZE;
2017
2018
    /* We also need to make an entry in the .rela.plt section.  */
2019
0
    htab->srelplt->size += TILEPRO_ELF_RELA_BYTES;
2020
0
  }
2021
0
      else
2022
0
  {
2023
0
    h->plt.offset = (bfd_vma) -1;
2024
0
    h->needs_plt = 0;
2025
0
  }
2026
0
    }
2027
0
  else
2028
0
    {
2029
0
      h->plt.offset = (bfd_vma) -1;
2030
0
      h->needs_plt = 0;
2031
0
    }
2032
2033
  /* If a TLS_IE symbol is now local to the binary, make it a TLS_LE
2034
     requiring no TLS entry.  */
2035
0
  if (h->got.refcount > 0
2036
0
      && bfd_link_executable (info)
2037
0
      && h->dynindx == -1
2038
0
      && tilepro_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2039
0
    h->got.offset = (bfd_vma) -1;
2040
0
  else if (h->got.refcount > 0)
2041
0
    {
2042
0
      asection *s;
2043
0
      bool dyn;
2044
0
      int tls_type = tilepro_elf_hash_entry(h)->tls_type;
2045
2046
      /* Make sure this symbol is output as a dynamic symbol.
2047
   Undefined weak syms won't yet be marked as dynamic.  */
2048
0
      if (h->dynindx == -1
2049
0
    && !h->forced_local)
2050
0
  {
2051
0
    if (! bfd_elf_link_record_dynamic_symbol (info, h))
2052
0
      return false;
2053
0
  }
2054
2055
0
      s = htab->sgot;
2056
0
      h->got.offset = s->size;
2057
0
      s->size += TILEPRO_BYTES_PER_WORD;
2058
      /* R_TILEPRO_IMM16_Xn_TLS_GD entries need 2 consecutive GOT slots. */
2059
0
      if (tls_type == GOT_TLS_GD)
2060
0
  s->size += TILEPRO_BYTES_PER_WORD;
2061
0
      dyn = htab->dynamic_sections_created;
2062
      /* R_TILEPRO_IMM16_Xn_TLS_IE_xxx needs one dynamic relocation,
2063
   R_TILEPRO_IMM16_Xn_TLS_GD_xxx needs two if local symbol and two if
2064
   global.  */
2065
0
      if (tls_type == GOT_TLS_GD || tls_type == GOT_TLS_IE)
2066
0
  htab->srelgot->size += 2 * TILEPRO_ELF_RELA_BYTES;
2067
0
      else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2068
0
            bfd_link_pic (info),
2069
0
            h))
2070
0
  htab->srelgot->size += TILEPRO_ELF_RELA_BYTES;
2071
0
    }
2072
0
  else
2073
0
    h->got.offset = (bfd_vma) -1;
2074
2075
0
  if (h->dyn_relocs == NULL)
2076
0
    return true;
2077
2078
  /* In the shared -Bsymbolic case, discard space allocated for
2079
     dynamic pc-relative relocs against symbols which turn out to be
2080
     defined in regular objects.  For the normal shared case, discard
2081
     space for pc-relative relocs that have become local due to symbol
2082
     visibility changes.  */
2083
2084
0
  if (bfd_link_pic (info))
2085
0
    {
2086
0
      if (SYMBOL_CALLS_LOCAL (info, h))
2087
0
  {
2088
0
    struct elf_dyn_relocs **pp;
2089
2090
0
    for (pp = &h->dyn_relocs; (p = *pp) != NULL; )
2091
0
      {
2092
0
        p->count -= p->pc_count;
2093
0
        p->pc_count = 0;
2094
0
        if (p->count == 0)
2095
0
    *pp = p->next;
2096
0
        else
2097
0
    pp = &p->next;
2098
0
      }
2099
0
  }
2100
2101
      /* Also discard relocs on undefined weak syms with non-default
2102
   visibility.  */
2103
0
      if (h->dyn_relocs != NULL
2104
0
    && h->root.type == bfd_link_hash_undefweak)
2105
0
  {
2106
0
    if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2107
0
        || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
2108
0
      h->dyn_relocs = NULL;
2109
2110
    /* Make sure undefined weak symbols are output as a dynamic
2111
       symbol in PIEs.  */
2112
0
    else if (h->dynindx == -1
2113
0
       && !h->forced_local)
2114
0
      {
2115
0
        if (! bfd_elf_link_record_dynamic_symbol (info, h))
2116
0
    return false;
2117
0
      }
2118
0
  }
2119
0
    }
2120
0
  else
2121
0
    {
2122
      /* For the non-shared case, discard space for relocs against
2123
   symbols which turn out to need copy relocs or are not
2124
   dynamic.  */
2125
2126
0
      if (!h->non_got_ref
2127
0
    && ((h->def_dynamic
2128
0
         && !h->def_regular)
2129
0
        || (htab->dynamic_sections_created
2130
0
      && (h->root.type == bfd_link_hash_undefweak
2131
0
          || h->root.type == bfd_link_hash_undefined))))
2132
0
  {
2133
    /* Make sure this symbol is output as a dynamic symbol.
2134
       Undefined weak syms won't yet be marked as dynamic.  */
2135
0
    if (h->dynindx == -1
2136
0
        && !h->forced_local)
2137
0
      {
2138
0
        if (! bfd_elf_link_record_dynamic_symbol (info, h))
2139
0
    return false;
2140
0
      }
2141
2142
    /* If that succeeded, we know we'll be keeping all the
2143
       relocs.  */
2144
0
    if (h->dynindx != -1)
2145
0
      goto keep;
2146
0
  }
2147
2148
0
      h->dyn_relocs = NULL;
2149
2150
0
    keep: ;
2151
0
    }
2152
2153
  /* Finally, allocate space.  */
2154
0
  for (p = h->dyn_relocs; p != NULL; p = p->next)
2155
0
    {
2156
0
      asection *sreloc = elf_section_data (p->sec)->sreloc;
2157
0
      sreloc->size += p->count * TILEPRO_ELF_RELA_BYTES;
2158
0
    }
2159
2160
0
  return true;
2161
0
}
2162
2163
/* Return true if the dynamic symbol for a given section should be
2164
   omitted when creating a shared library.  */
2165
2166
static bool
2167
tilepro_elf_omit_section_dynsym (bfd *output_bfd,
2168
            struct bfd_link_info *info,
2169
            asection *p)
2170
0
{
2171
  /* We keep the .got section symbol so that explicit relocations
2172
     against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2173
     can be turned into relocations against the .got symbol.  */
2174
0
  if (strcmp (p->name, ".got") == 0)
2175
0
    return false;
2176
2177
0
  return _bfd_elf_omit_section_dynsym_default (output_bfd, info, p);
2178
0
}
2179
2180
/* Set the sizes of the dynamic sections.  */
2181
2182
0
#define ELF32_DYNAMIC_INTERPRETER "/lib/ld.so.1"
2183
2184
static bool
2185
tilepro_elf_late_size_sections (bfd *output_bfd,
2186
        struct bfd_link_info *info)
2187
0
{
2188
0
  struct elf_link_hash_table *htab;
2189
0
  bfd *dynobj;
2190
0
  asection *s;
2191
0
  bfd *ibfd;
2192
2193
0
  htab = tilepro_elf_hash_table (info);
2194
0
  BFD_ASSERT (htab != NULL);
2195
0
  dynobj = htab->dynobj;
2196
0
  if (dynobj == NULL)
2197
0
    return true;
2198
2199
0
  if (elf_hash_table (info)->dynamic_sections_created)
2200
0
    {
2201
      /* Set the contents of the .interp section to the interpreter.  */
2202
0
      if (bfd_link_executable (info) && !info->nointerp)
2203
0
  {
2204
0
    s = bfd_get_linker_section (dynobj, ".interp");
2205
0
    BFD_ASSERT (s != NULL);
2206
0
    s->size = sizeof ELF32_DYNAMIC_INTERPRETER;
2207
0
    s->contents = (unsigned char *) ELF32_DYNAMIC_INTERPRETER;
2208
0
  }
2209
0
    }
2210
2211
  /* Set up .got offsets for local syms, and space for local dynamic
2212
     relocs.  */
2213
0
  for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
2214
0
    {
2215
0
      bfd_signed_vma *local_got;
2216
0
      bfd_signed_vma *end_local_got;
2217
0
      char *local_tls_type;
2218
0
      bfd_size_type locsymcount;
2219
0
      Elf_Internal_Shdr *symtab_hdr;
2220
0
      asection *srel;
2221
2222
0
      if (! is_tilepro_elf (ibfd))
2223
0
  continue;
2224
2225
0
      for (s = ibfd->sections; s != NULL; s = s->next)
2226
0
  {
2227
0
    struct elf_dyn_relocs *p;
2228
2229
0
    for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2230
0
      {
2231
0
        if (!bfd_is_abs_section (p->sec)
2232
0
      && bfd_is_abs_section (p->sec->output_section))
2233
0
    {
2234
      /* Input section has been discarded, either because
2235
         it is a copy of a linkonce section or due to
2236
         linker script /DISCARD/, so we'll be discarding
2237
         the relocs too.  */
2238
0
    }
2239
0
        else if (p->count != 0)
2240
0
    {
2241
0
      srel = elf_section_data (p->sec)->sreloc;
2242
0
      srel->size += p->count * TILEPRO_ELF_RELA_BYTES;
2243
0
      if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2244
0
        {
2245
0
          info->flags |= DF_TEXTREL;
2246
2247
0
          info->callbacks->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
2248
0
                p->sec->owner, p->sec);
2249
0
        }
2250
0
    }
2251
0
      }
2252
0
  }
2253
2254
0
      local_got = elf_local_got_refcounts (ibfd);
2255
0
      if (!local_got)
2256
0
  continue;
2257
2258
0
      symtab_hdr = &elf_symtab_hdr (ibfd);
2259
0
      locsymcount = symtab_hdr->sh_info;
2260
0
      end_local_got = local_got + locsymcount;
2261
0
      local_tls_type = _bfd_tilepro_elf_local_got_tls_type (ibfd);
2262
0
      s = htab->sgot;
2263
0
      srel = htab->srelgot;
2264
0
      for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2265
0
  {
2266
0
    if (*local_got > 0)
2267
0
      {
2268
0
        *local_got = s->size;
2269
0
        s->size += TILEPRO_BYTES_PER_WORD;
2270
0
        if (*local_tls_type == GOT_TLS_GD)
2271
0
    s->size += TILEPRO_BYTES_PER_WORD;
2272
0
        if (bfd_link_pic (info)
2273
0
      || *local_tls_type == GOT_TLS_GD
2274
0
      || *local_tls_type == GOT_TLS_IE)
2275
0
    srel->size += TILEPRO_ELF_RELA_BYTES;
2276
0
      }
2277
0
    else
2278
0
      *local_got = (bfd_vma) -1;
2279
0
  }
2280
0
    }
2281
2282
  /* Allocate global sym .plt and .got entries, and space for global
2283
     sym dynamic relocs.  */
2284
0
  elf_link_hash_traverse (htab, allocate_dynrelocs, info);
2285
2286
0
  if (elf_hash_table (info)->dynamic_sections_created)
2287
0
    {
2288
      /* If the .got section is more than 0x8000 bytes, we add
2289
   0x8000 to the value of _GLOBAL_OFFSET_TABLE_, so that 16
2290
   bit relocations have a greater chance of working. */
2291
0
      if (htab->sgot->size >= 0x8000
2292
0
    && elf_hash_table (info)->hgot->root.u.def.value == 0)
2293
0
  elf_hash_table (info)->hgot->root.u.def.value = 0x8000;
2294
0
    }
2295
2296
0
  if (htab->sgotplt)
2297
0
    {
2298
0
      struct elf_link_hash_entry *got;
2299
0
      got = elf_link_hash_lookup (elf_hash_table (info),
2300
0
          "_GLOBAL_OFFSET_TABLE_",
2301
0
          false, false, false);
2302
2303
      /* Don't allocate .got.plt section if there are no GOT nor PLT
2304
   entries and there is no refeence to _GLOBAL_OFFSET_TABLE_.  */
2305
0
      if ((got == NULL
2306
0
     || !got->ref_regular_nonweak)
2307
0
    && (htab->sgotplt->size
2308
0
        == GOTPLT_HEADER_SIZE)
2309
0
    && (htab->splt == NULL
2310
0
        || htab->splt->size == 0)
2311
0
    && (htab->sgot == NULL
2312
0
        || (htab->sgot->size
2313
0
      == get_elf_backend_data (output_bfd)->got_header_size)))
2314
0
  htab->sgotplt->size = 0;
2315
0
    }
2316
2317
  /* The check_relocs and adjust_dynamic_symbol entry points have
2318
     determined the sizes of the various dynamic sections.  Allocate
2319
     memory for them.  */
2320
0
  for (s = dynobj->sections; s != NULL; s = s->next)
2321
0
    {
2322
0
      if ((s->flags & SEC_LINKER_CREATED) == 0)
2323
0
  continue;
2324
2325
0
      if (s == htab->splt
2326
0
    || s == htab->sgot
2327
0
    || s == htab->sgotplt
2328
0
    || s == htab->sdynbss
2329
0
    || s == htab->sdynrelro)
2330
0
  {
2331
    /* Strip this section if we don't need it; see the
2332
       comment below.  */
2333
0
  }
2334
0
      else if (startswith (s->name, ".rela"))
2335
0
  {
2336
0
    if (s->size != 0)
2337
0
      {
2338
        /* We use the reloc_count field as a counter if we need
2339
     to copy relocs into the output file.  */
2340
0
        s->reloc_count = 0;
2341
0
      }
2342
0
  }
2343
0
      else
2344
0
  {
2345
    /* It's not one of our sections.  */
2346
0
    continue;
2347
0
  }
2348
2349
0
      if (s->size == 0)
2350
0
  {
2351
    /* If we don't need this section, strip it from the
2352
       output file.  This is mostly to handle .rela.bss and
2353
       .rela.plt.  We must create both sections in
2354
       create_dynamic_sections, because they must be created
2355
       before the linker maps input sections to output
2356
       sections.  The linker does that before
2357
       adjust_dynamic_symbol is called, and it is that
2358
       function which decides whether anything needs to go
2359
       into these sections.  */
2360
0
    s->flags |= SEC_EXCLUDE;
2361
0
    continue;
2362
0
  }
2363
2364
0
      if ((s->flags & SEC_HAS_CONTENTS) == 0)
2365
0
  continue;
2366
2367
      /* Allocate memory for the section contents.  Zero the memory
2368
   for the benefit of .rela.plt, which has 4 unused entries
2369
   at the beginning, and we don't want garbage.  */
2370
0
      s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2371
0
      if (s->contents == NULL)
2372
0
  return false;
2373
0
    }
2374
2375
0
  return _bfd_elf_add_dynamic_tags (output_bfd, info, true);
2376
0
}
2377

2378
/* Return the base VMA address which should be subtracted from real addresses
2379
   when resolving @dtpoff relocation.
2380
   This is PT_TLS segment p_vaddr.  */
2381
2382
static bfd_vma
2383
dtpoff_base (struct bfd_link_info *info)
2384
0
{
2385
  /* If tls_sec is NULL, we should have signalled an error already.  */
2386
0
  if (elf_hash_table (info)->tls_sec == NULL)
2387
0
    return 0;
2388
0
  return elf_hash_table (info)->tls_sec->vma;
2389
0
}
2390
2391
/* Return the relocation value for R_TILEPRO_TLS_TPOFF32. */
2392
2393
static bfd_vma
2394
tpoff (struct bfd_link_info *info, bfd_vma address)
2395
0
{
2396
0
  struct elf_link_hash_table *htab = elf_hash_table (info);
2397
2398
  /* If tls_sec is NULL, we should have signalled an error already.  */
2399
0
  if (htab->tls_sec == NULL)
2400
0
    return 0;
2401
2402
0
  return (address - htab->tls_sec->vma);
2403
0
}
2404
2405
/* Replace the MASK bits in ADDR with those in INSN, for the next
2406
   TILEPRO_BUNDLE_SIZE_IN_BYTES bytes.  */
2407
2408
static void
2409
tilepro_replace_insn (bfd_byte *addr, const bfd_byte *mask,
2410
          const bfd_byte *insn)
2411
0
{
2412
0
  int i;
2413
0
  for (i = 0; i < TILEPRO_BUNDLE_SIZE_IN_BYTES; i++)
2414
0
    {
2415
0
      addr[i] = (addr[i] & ~mask[i]) | (insn[i] & mask[i]);
2416
0
    }
2417
0
}
2418
2419
/* Mask to extract the bits corresponding to an instruction in a
2420
   specific pipe of a bundle.  */
2421
static const bfd_byte insn_mask_X1[] = {
2422
  0x00, 0x00, 0x00, 0x80, 0xff, 0xff, 0xff, 0x7f
2423
};
2424
2425
/* Mask to extract the bits corresponding to an instruction in a
2426
   specific pipe of a bundle, minus the destination operand and the
2427
   first source operand.  */
2428
static const bfd_byte insn_mask_X0_no_dest_no_srca[] = {
2429
  0x00, 0xf0, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00
2430
};
2431
2432
static const bfd_byte insn_mask_X1_no_dest_no_srca[] = {
2433
  0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff, 0x7f
2434
};
2435
2436
static const bfd_byte insn_mask_Y0_no_dest_no_srca[] = {
2437
  0x00, 0xf0, 0x0f, 0x78, 0x00, 0x00, 0x00, 0x00
2438
};
2439
2440
static const bfd_byte insn_mask_Y1_no_dest_no_srca[] = {
2441
  0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x07, 0x78
2442
};
2443
2444
/* Mask to extract the first source operand of an instruction.  */
2445
static const bfd_byte srca_mask_X0[] = {
2446
  0xc0, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2447
};
2448
2449
static const bfd_byte srca_mask_X1[] = {
2450
  0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x00
2451
};
2452
2453
/* Various instructions synthesized to support tls references.  */
2454
2455
/* move r0, r0 in the X1 pipe, used for tls le.  */
2456
static const bfd_byte insn_tls_le_move_X1[] = {
2457
  0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x33, 0x08
2458
};
2459
2460
/* move r0, zero in the X0 and X1 pipe, used for tls le.  */
2461
static const bfd_byte insn_tls_le_move_zero_X0X1[] = {
2462
  0xc0, 0xff, 0xcf, 0x00, 0xe0, 0xff, 0x33, 0x08
2463
};
2464
2465
/* lw r0, r0 in the X1 pipe, used for tls ie.  */
2466
static const bfd_byte insn_tls_ie_lw_X1[] = {
2467
  0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0x0b, 0x40
2468
};
2469
2470
/* add r0, r0, tp in various pipes, used for tls ie.  */
2471
static const bfd_byte insn_tls_ie_add_X0X1[] = {
2472
  0x00, 0x50, 0x0f, 0x00, 0x00, 0xa8, 0x07, 0x08
2473
};
2474
static const bfd_byte insn_tls_ie_add_Y0Y1[] = {
2475
  0x00, 0x50, 0x03, 0x08, 0x00, 0xa8, 0x01, 0x8c
2476
};
2477
2478
/* move r0, r0 in various pipes, used for tls gd.  */
2479
static const bfd_byte insn_tls_gd_add_X0X1[] = {
2480
  0x00, 0xf0, 0xcf, 0x00, 0x00, 0xf8, 0x33, 0x08
2481
};
2482
static const bfd_byte insn_tls_gd_add_Y0Y1[] = {
2483
  0x00, 0xf0, 0x0b, 0x18, 0x00, 0xf8, 0x05, 0x9c
2484
};
2485
2486
/* Relocate an TILEPRO ELF section.
2487
2488
   The RELOCATE_SECTION function is called by the new ELF backend linker
2489
   to handle the relocations for a section.
2490
2491
   The relocs are always passed as Rela structures.
2492
2493
   This function is responsible for adjusting the section contents as
2494
   necessary, and (if generating a relocatable output file) adjusting
2495
   the reloc addend as necessary.
2496
2497
   This function does not have to worry about setting the reloc
2498
   address or the reloc symbol index.
2499
2500
   LOCAL_SYMS is a pointer to the swapped in local symbols.
2501
2502
   LOCAL_SECTIONS is an array giving the section in the input file
2503
   corresponding to the st_shndx field of each local symbol.
2504
2505
   The global hash table entry for the global symbols can be found
2506
   via elf_sym_hashes (input_bfd).
2507
2508
   When generating relocatable output, this function must handle
2509
   STB_LOCAL/STT_SECTION symbols specially.  The output symbol is
2510
   going to be the section symbol corresponding to the output
2511
   section, which means that the addend must be adjusted
2512
   accordingly.  */
2513
2514
static int
2515
tilepro_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
2516
            bfd *input_bfd, asection *input_section,
2517
            bfd_byte *contents, Elf_Internal_Rela *relocs,
2518
            Elf_Internal_Sym *local_syms,
2519
            asection **local_sections)
2520
0
{
2521
0
  struct elf_link_hash_table *htab;
2522
0
  Elf_Internal_Shdr *symtab_hdr;
2523
0
  struct elf_link_hash_entry **sym_hashes;
2524
0
  bfd_vma *local_got_offsets;
2525
0
  bfd_vma got_base;
2526
0
  asection *sreloc;
2527
0
  Elf_Internal_Rela *rel;
2528
0
  Elf_Internal_Rela *relend;
2529
0
  int num_relocs;
2530
2531
0
  htab = tilepro_elf_hash_table (info);
2532
0
  BFD_ASSERT (htab != NULL);
2533
0
  symtab_hdr = &elf_symtab_hdr (input_bfd);
2534
0
  sym_hashes = elf_sym_hashes (input_bfd);
2535
0
  local_got_offsets = elf_local_got_offsets (input_bfd);
2536
2537
0
  if (elf_hash_table (info)->hgot == NULL)
2538
0
    got_base = 0;
2539
0
  else
2540
0
    got_base = elf_hash_table (info)->hgot->root.u.def.value;
2541
2542
0
  sreloc = elf_section_data (input_section)->sreloc;
2543
2544
0
  rel = relocs;
2545
0
  num_relocs = input_section->reloc_count;
2546
0
  relend = relocs + num_relocs;
2547
0
  for (; rel < relend; rel++)
2548
0
    {
2549
0
      int r_type, tls_type;
2550
0
      bool is_tls_iele, is_tls_le;
2551
0
      reloc_howto_type *howto;
2552
0
      unsigned long r_symndx;
2553
0
      struct elf_link_hash_entry *h;
2554
0
      Elf_Internal_Sym *sym;
2555
0
      tilepro_create_func create_func;
2556
0
      asection *sec;
2557
0
      bfd_vma relocation;
2558
0
      bfd_reloc_status_type r;
2559
0
      const char *name;
2560
0
      bfd_vma off;
2561
0
      bool is_plt = false;
2562
0
      bool resolved_to_zero;
2563
0
      bool unresolved_reloc;
2564
2565
0
      r_type = ELF32_R_TYPE (rel->r_info);
2566
0
      if (r_type == R_TILEPRO_GNU_VTINHERIT
2567
0
    || r_type == R_TILEPRO_GNU_VTENTRY)
2568
0
  continue;
2569
2570
0
      if ((unsigned int)r_type >= NELEMS(tilepro_elf_howto_table))
2571
0
  return _bfd_unrecognized_reloc (input_bfd, input_section, r_type);
2572
2573
0
      howto = tilepro_elf_howto_table + r_type;
2574
2575
      /* This is a final link.  */
2576
0
      r_symndx = ELF32_R_SYM (rel->r_info);
2577
0
      h = NULL;
2578
0
      sym = NULL;
2579
0
      sec = NULL;
2580
0
      unresolved_reloc = false;
2581
0
      if (r_symndx < symtab_hdr->sh_info)
2582
0
  {
2583
0
    sym = local_syms + r_symndx;
2584
0
    sec = local_sections[r_symndx];
2585
0
    relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2586
0
  }
2587
0
      else
2588
0
  {
2589
0
    bool warned ATTRIBUTE_UNUSED;
2590
0
    bool ignored ATTRIBUTE_UNUSED;
2591
2592
0
    RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2593
0
           r_symndx, symtab_hdr, sym_hashes,
2594
0
           h, sec, relocation,
2595
0
           unresolved_reloc, warned, ignored);
2596
0
    if (warned)
2597
0
      {
2598
        /* To avoid generating warning messages about truncated
2599
     relocations, set the relocation's address to be the same as
2600
     the start of this section.  */
2601
0
        if (input_section->output_section != NULL)
2602
0
    relocation = input_section->output_section->vma;
2603
0
        else
2604
0
    relocation = 0;
2605
0
      }
2606
0
  }
2607
2608
0
      if (sec != NULL && discarded_section (sec))
2609
0
  RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2610
0
           rel, 1, relend, howto, 0, contents);
2611
2612
0
      if (bfd_link_relocatable (info))
2613
0
  continue;
2614
2615
0
      if (h != NULL)
2616
0
  name = h->root.root.string;
2617
0
      else
2618
0
  {
2619
0
    name = (bfd_elf_string_from_elf_section
2620
0
      (input_bfd, symtab_hdr->sh_link, sym->st_name));
2621
0
    if (name == NULL || *name == '\0')
2622
0
      name = bfd_section_name (sec);
2623
0
  }
2624
2625
0
      switch (r_type)
2626
0
  {
2627
0
  case R_TILEPRO_TLS_GD_CALL:
2628
0
  case R_TILEPRO_IMM8_X0_TLS_GD_ADD:
2629
0
  case R_TILEPRO_IMM8_Y0_TLS_GD_ADD:
2630
0
  case R_TILEPRO_IMM8_X1_TLS_GD_ADD:
2631
0
  case R_TILEPRO_IMM8_Y1_TLS_GD_ADD:
2632
0
  case R_TILEPRO_IMM16_X0_TLS_GD_HA:
2633
0
  case R_TILEPRO_IMM16_X1_TLS_GD_HA:
2634
0
  case R_TILEPRO_IMM16_X0_TLS_IE_HA:
2635
0
  case R_TILEPRO_IMM16_X1_TLS_IE_HA:
2636
0
    tls_type = GOT_UNKNOWN;
2637
0
    if (h == NULL && local_got_offsets)
2638
0
      tls_type =
2639
0
        _bfd_tilepro_elf_local_got_tls_type (input_bfd) [r_symndx];
2640
0
    else if (h != NULL)
2641
0
      tls_type = tilepro_elf_hash_entry(h)->tls_type;
2642
2643
0
    is_tls_iele = (bfd_link_executable (info) || tls_type == GOT_TLS_IE);
2644
0
    is_tls_le = is_tls_iele && (bfd_link_executable (info)
2645
0
              && (h == NULL || h->dynindx == -1));
2646
2647
0
    if (r_type == R_TILEPRO_TLS_GD_CALL)
2648
0
      {
2649
0
        if (is_tls_le)
2650
0
    {
2651
      /* GD -> LE */
2652
0
      tilepro_replace_insn (contents + rel->r_offset,
2653
0
          insn_mask_X1, insn_tls_le_move_X1);
2654
0
      continue;
2655
0
    }
2656
0
        else if (is_tls_iele)
2657
0
    {
2658
      /* GD -> IE */
2659
0
      tilepro_replace_insn (contents + rel->r_offset,
2660
0
          insn_mask_X1, insn_tls_ie_lw_X1);
2661
0
      continue;
2662
0
    }
2663
2664
        /* GD -> GD */
2665
0
        h = (struct elf_link_hash_entry *)
2666
0
    bfd_link_hash_lookup (info->hash, "__tls_get_addr", false,
2667
0
              false, true);
2668
0
        BFD_ASSERT (h != NULL);
2669
0
        r_type = R_TILEPRO_JOFFLONG_X1_PLT;
2670
0
        howto = tilepro_elf_howto_table + r_type;
2671
0
      }
2672
0
    else if (r_type == R_TILEPRO_IMM16_X0_TLS_GD_HA
2673
0
       || r_type == R_TILEPRO_IMM16_X0_TLS_IE_HA)
2674
0
      {
2675
0
        if (is_tls_le)
2676
0
    tilepro_replace_insn (contents + rel->r_offset, srca_mask_X0,
2677
0
              insn_tls_le_move_zero_X0X1);
2678
0
      }
2679
0
    else if (r_type == R_TILEPRO_IMM16_X1_TLS_GD_HA
2680
0
       || r_type == R_TILEPRO_IMM16_X1_TLS_IE_HA)
2681
0
      {
2682
0
        if (is_tls_le)
2683
0
    tilepro_replace_insn (contents + rel->r_offset, srca_mask_X1,
2684
0
              insn_tls_le_move_zero_X0X1);
2685
0
      }
2686
0
    else
2687
0
      {
2688
0
        const bfd_byte *mask = NULL;
2689
0
        const bfd_byte *add_insn = NULL;
2690
2691
0
        switch (r_type)
2692
0
    {
2693
0
    case R_TILEPRO_IMM8_X0_TLS_GD_ADD:
2694
0
      add_insn = is_tls_iele ? insn_tls_ie_add_X0X1
2695
0
        : insn_tls_gd_add_X0X1;
2696
0
      mask = insn_mask_X0_no_dest_no_srca;
2697
0
      break;
2698
0
    case R_TILEPRO_IMM8_X1_TLS_GD_ADD:
2699
0
      add_insn = is_tls_iele ? insn_tls_ie_add_X0X1
2700
0
        : insn_tls_gd_add_X0X1;
2701
0
      mask = insn_mask_X1_no_dest_no_srca;
2702
0
      break;
2703
0
    case R_TILEPRO_IMM8_Y0_TLS_GD_ADD:
2704
0
      add_insn = is_tls_iele ? insn_tls_ie_add_Y0Y1
2705
0
        : insn_tls_gd_add_Y0Y1;
2706
0
      mask = insn_mask_Y0_no_dest_no_srca;
2707
0
      break;
2708
0
    case R_TILEPRO_IMM8_Y1_TLS_GD_ADD:
2709
0
      add_insn = is_tls_iele ? insn_tls_ie_add_Y0Y1
2710
0
        : insn_tls_gd_add_Y0Y1;
2711
0
      mask = insn_mask_Y1_no_dest_no_srca;
2712
0
      break;
2713
0
    }
2714
2715
0
        tilepro_replace_insn (contents + rel->r_offset, mask, add_insn);
2716
2717
0
        continue;
2718
0
      }
2719
0
    break;
2720
0
  case R_TILEPRO_TLS_IE_LOAD:
2721
0
    if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
2722
      /* IE -> LE */
2723
0
      tilepro_replace_insn (contents + rel->r_offset,
2724
0
          insn_mask_X1_no_dest_no_srca,
2725
0
          insn_tls_le_move_X1);
2726
0
    else
2727
      /* IE -> IE */
2728
0
      tilepro_replace_insn (contents + rel->r_offset,
2729
0
          insn_mask_X1_no_dest_no_srca,
2730
0
          insn_tls_ie_lw_X1);
2731
0
    continue;
2732
0
    break;
2733
0
  default:
2734
0
    break;
2735
0
  }
2736
2737
0
      resolved_to_zero = (h != NULL
2738
0
        && UNDEFWEAK_NO_DYNAMIC_RELOC (info, h));
2739
2740
0
      switch (r_type)
2741
0
  {
2742
0
  case R_TILEPRO_IMM16_X0_GOT:
2743
0
  case R_TILEPRO_IMM16_X1_GOT:
2744
0
  case R_TILEPRO_IMM16_X0_GOT_LO:
2745
0
  case R_TILEPRO_IMM16_X1_GOT_LO:
2746
0
  case R_TILEPRO_IMM16_X0_GOT_HI:
2747
0
  case R_TILEPRO_IMM16_X1_GOT_HI:
2748
0
  case R_TILEPRO_IMM16_X0_GOT_HA:
2749
0
  case R_TILEPRO_IMM16_X1_GOT_HA:
2750
    /* Relocation is to the entry for this symbol in the global
2751
       offset table.  */
2752
0
    if (htab->sgot == NULL)
2753
0
      abort ();
2754
2755
0
    if (h != NULL)
2756
0
      {
2757
0
        bool dyn;
2758
2759
0
        off = h->got.offset;
2760
0
        BFD_ASSERT (off != (bfd_vma) -1);
2761
0
        dyn = elf_hash_table (info)->dynamic_sections_created;
2762
2763
0
        if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2764
0
                 bfd_link_pic (info),
2765
0
                 h)
2766
0
      || (bfd_link_pic (info)
2767
0
          && SYMBOL_REFERENCES_LOCAL (info, h)))
2768
0
    {
2769
      /* This is actually a static link, or it is a
2770
         -Bsymbolic link and the symbol is defined
2771
         locally, or the symbol was forced to be local
2772
         because of a version file.  We must initialize
2773
         this entry in the global offset table.  Since the
2774
         offset must always be a multiple
2775
         of 4 for 32-bit, we use the least significant bit
2776
         to record whether we have initialized it already.
2777
2778
         When doing a dynamic link, we create a .rela.got
2779
         relocation entry to initialize the value.  This
2780
         is done in the finish_dynamic_symbol routine.  */
2781
0
      if ((off & 1) != 0)
2782
0
        off &= ~1;
2783
0
      else
2784
0
        {
2785
0
          bfd_put_32 (output_bfd, relocation,
2786
0
            htab->sgot->contents + off);
2787
0
          h->got.offset |= 1;
2788
0
        }
2789
0
    }
2790
0
        else
2791
0
    unresolved_reloc = false;
2792
0
      }
2793
0
    else
2794
0
      {
2795
0
        BFD_ASSERT (local_got_offsets != NULL
2796
0
        && local_got_offsets[r_symndx] != (bfd_vma) -1);
2797
2798
0
        off = local_got_offsets[r_symndx];
2799
2800
        /* The offset must always be a multiple of 4 on 32-bit.
2801
     We use the least significant bit to record
2802
     whether we have already processed this entry.  */
2803
0
        if ((off & 1) != 0)
2804
0
    off &= ~1;
2805
0
        else
2806
0
    {
2807
0
      if (bfd_link_pic (info))
2808
0
        {
2809
0
          asection *s;
2810
0
          Elf_Internal_Rela outrel;
2811
2812
          /* We need to generate a R_TILEPRO_RELATIVE reloc
2813
       for the dynamic linker.  */
2814
0
          s = htab->srelgot;
2815
0
          BFD_ASSERT (s != NULL);
2816
2817
0
          outrel.r_offset = (htab->sgot->output_section->vma
2818
0
           + htab->sgot->output_offset
2819
0
           + off);
2820
0
          outrel.r_info = ELF32_R_INFO (0, R_TILEPRO_RELATIVE);
2821
0
          outrel.r_addend = relocation;
2822
0
          relocation = 0;
2823
0
          tilepro_elf_append_rela_32 (output_bfd, s, &outrel);
2824
0
        }
2825
2826
0
      bfd_put_32 (output_bfd, relocation,
2827
0
              htab->sgot->contents + off);
2828
0
      local_got_offsets[r_symndx] |= 1;
2829
0
    }
2830
0
      }
2831
0
    relocation = off - got_base;
2832
0
    break;
2833
2834
0
  case R_TILEPRO_JOFFLONG_X1_PLT:
2835
    /* Relocation is to the entry for this symbol in the
2836
       procedure linkage table.  */
2837
0
    BFD_ASSERT (h != NULL);
2838
2839
0
    if (h->plt.offset == (bfd_vma) -1 || htab->splt == NULL)
2840
0
      {
2841
        /* We didn't make a PLT entry for this symbol.  This
2842
     happens when statically linking PIC code, or when
2843
     using -Bsymbolic.  */
2844
0
        break;
2845
0
      }
2846
2847
0
    relocation = (htab->splt->output_section->vma
2848
0
      + htab->splt->output_offset
2849
0
      + h->plt.offset);
2850
0
    unresolved_reloc = false;
2851
0
    break;
2852
2853
0
  case R_TILEPRO_32_PCREL:
2854
0
  case R_TILEPRO_16_PCREL:
2855
0
  case R_TILEPRO_8_PCREL:
2856
0
  case R_TILEPRO_IMM16_X0_PCREL:
2857
0
  case R_TILEPRO_IMM16_X1_PCREL:
2858
0
  case R_TILEPRO_IMM16_X0_LO_PCREL:
2859
0
  case R_TILEPRO_IMM16_X1_LO_PCREL:
2860
0
  case R_TILEPRO_IMM16_X0_HI_PCREL:
2861
0
  case R_TILEPRO_IMM16_X1_HI_PCREL:
2862
0
  case R_TILEPRO_IMM16_X0_HA_PCREL:
2863
0
  case R_TILEPRO_IMM16_X1_HA_PCREL:
2864
0
    if (h != NULL
2865
0
        && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
2866
0
      break;
2867
    /* Fall through.  */
2868
0
  case R_TILEPRO_32:
2869
0
  case R_TILEPRO_16:
2870
0
  case R_TILEPRO_8:
2871
0
  case R_TILEPRO_LO16:
2872
0
  case R_TILEPRO_HI16:
2873
0
  case R_TILEPRO_HA16:
2874
0
  case R_TILEPRO_COPY:
2875
0
  case R_TILEPRO_GLOB_DAT:
2876
0
  case R_TILEPRO_JMP_SLOT:
2877
0
  case R_TILEPRO_RELATIVE:
2878
0
  case R_TILEPRO_BROFF_X1:
2879
0
  case R_TILEPRO_JOFFLONG_X1:
2880
0
  case R_TILEPRO_IMM8_X0:
2881
0
  case R_TILEPRO_IMM8_Y0:
2882
0
  case R_TILEPRO_IMM8_X1:
2883
0
  case R_TILEPRO_IMM8_Y1:
2884
0
  case R_TILEPRO_DEST_IMM8_X1:
2885
0
  case R_TILEPRO_MT_IMM15_X1:
2886
0
  case R_TILEPRO_MF_IMM15_X1:
2887
0
  case R_TILEPRO_IMM16_X0:
2888
0
  case R_TILEPRO_IMM16_X1:
2889
0
  case R_TILEPRO_IMM16_X0_LO:
2890
0
  case R_TILEPRO_IMM16_X1_LO:
2891
0
  case R_TILEPRO_IMM16_X0_HI:
2892
0
  case R_TILEPRO_IMM16_X1_HI:
2893
0
  case R_TILEPRO_IMM16_X0_HA:
2894
0
  case R_TILEPRO_IMM16_X1_HA:
2895
0
  case R_TILEPRO_MMSTART_X0:
2896
0
  case R_TILEPRO_MMEND_X0:
2897
0
  case R_TILEPRO_MMSTART_X1:
2898
0
  case R_TILEPRO_MMEND_X1:
2899
0
  case R_TILEPRO_SHAMT_X0:
2900
0
  case R_TILEPRO_SHAMT_X1:
2901
0
  case R_TILEPRO_SHAMT_Y0:
2902
0
  case R_TILEPRO_SHAMT_Y1:
2903
0
    if ((input_section->flags & SEC_ALLOC) == 0)
2904
0
      break;
2905
2906
0
    if ((bfd_link_pic (info)
2907
0
         && (h == NULL
2908
0
       || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2909
0
           && !resolved_to_zero)
2910
0
       || h->root.type != bfd_link_hash_undefweak)
2911
0
         && (! howto->pc_relative
2912
0
       || !SYMBOL_CALLS_LOCAL (info, h)))
2913
0
        || (!bfd_link_pic (info)
2914
0
      && h != NULL
2915
0
      && h->dynindx != -1
2916
0
      && !h->non_got_ref
2917
0
      && ((h->def_dynamic
2918
0
           && !h->def_regular)
2919
0
          || h->root.type == bfd_link_hash_undefweak
2920
0
          || h->root.type == bfd_link_hash_undefined)))
2921
0
      {
2922
0
        Elf_Internal_Rela outrel;
2923
0
        bool skip, relocate = false;
2924
2925
        /* When generating a shared object, these relocations
2926
     are copied into the output file to be resolved at run
2927
     time.  */
2928
2929
0
        BFD_ASSERT (sreloc != NULL);
2930
2931
0
        skip = false;
2932
2933
0
        outrel.r_offset =
2934
0
    _bfd_elf_section_offset (output_bfd, info, input_section,
2935
0
           rel->r_offset);
2936
0
        if (outrel.r_offset == (bfd_vma) -1)
2937
0
    skip = true;
2938
0
        else if (outrel.r_offset == (bfd_vma) -2)
2939
0
    skip = true, relocate = true;
2940
0
        outrel.r_offset += (input_section->output_section->vma
2941
0
          + input_section->output_offset);
2942
2943
0
        switch (r_type)
2944
0
    {
2945
0
    case R_TILEPRO_32_PCREL:
2946
0
    case R_TILEPRO_16_PCREL:
2947
0
    case R_TILEPRO_8_PCREL:
2948
      /* If the symbol is not dynamic, we should not keep
2949
         a dynamic relocation.  But an .rela.* slot has been
2950
         allocated for it, output R_TILEPRO_NONE.
2951
         FIXME: Add code tracking needed dynamic relocs as
2952
         e.g. i386 has.  */
2953
0
      if (h->dynindx == -1)
2954
0
        skip = true, relocate = true;
2955
0
      break;
2956
0
    }
2957
2958
0
        if (skip)
2959
0
    memset (&outrel, 0, sizeof outrel);
2960
        /* h->dynindx may be -1 if the symbol was marked to
2961
     become local.  */
2962
0
        else if (h != NULL &&
2963
0
           h->dynindx != -1
2964
0
           && (! is_plt
2965
0
         || !bfd_link_pic (info)
2966
0
         || !SYMBOLIC_BIND (info, h)
2967
0
         || !h->def_regular))
2968
0
    {
2969
0
      BFD_ASSERT (h->dynindx != -1);
2970
0
      outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
2971
0
      outrel.r_addend = rel->r_addend;
2972
0
    }
2973
0
        else
2974
0
    {
2975
0
      if (r_type == R_TILEPRO_32)
2976
0
        {
2977
0
          outrel.r_info = ELF32_R_INFO (0, R_TILEPRO_RELATIVE);
2978
0
          outrel.r_addend = relocation + rel->r_addend;
2979
0
        }
2980
0
      else
2981
0
        {
2982
0
          long indx;
2983
2984
0
          outrel.r_addend = relocation + rel->r_addend;
2985
2986
0
          if (is_plt)
2987
0
      sec = htab->splt;
2988
2989
0
          if (bfd_is_abs_section (sec))
2990
0
      indx = 0;
2991
0
          else if (sec == NULL || sec->owner == NULL)
2992
0
      {
2993
0
        bfd_set_error (bfd_error_bad_value);
2994
0
        return false;
2995
0
      }
2996
0
          else
2997
0
      {
2998
0
        asection *osec;
2999
3000
        /* We are turning this relocation into one
3001
           against a section symbol.  It would be
3002
           proper to subtract the symbol's value,
3003
           osec->vma, from the emitted reloc addend,
3004
           but ld.so expects buggy relocs.  */
3005
0
        osec = sec->output_section;
3006
0
        indx = elf_section_data (osec)->dynindx;
3007
3008
0
        if (indx == 0)
3009
0
          {
3010
0
            osec = htab->text_index_section;
3011
0
            indx = elf_section_data (osec)->dynindx;
3012
0
          }
3013
3014
        /* FIXME: we really should be able to link non-pic
3015
           shared libraries.  */
3016
0
        if (indx == 0)
3017
0
          {
3018
0
            BFD_FAIL ();
3019
0
            _bfd_error_handler
3020
0
        (_("%pB: probably compiled without -fPIC?"),
3021
0
         input_bfd);
3022
0
            bfd_set_error (bfd_error_bad_value);
3023
0
            return false;
3024
0
          }
3025
0
      }
3026
3027
0
          outrel.r_info = ELF32_R_INFO (indx, r_type);
3028
0
        }
3029
0
    }
3030
3031
0
        tilepro_elf_append_rela_32 (output_bfd, sreloc, &outrel);
3032
3033
        /* This reloc will be computed at runtime, so there's no
3034
     need to do anything now.  */
3035
0
        if (! relocate)
3036
0
    continue;
3037
0
      }
3038
0
    break;
3039
3040
0
  case R_TILEPRO_IMM16_X0_TLS_LE:
3041
0
  case R_TILEPRO_IMM16_X1_TLS_LE:
3042
0
  case R_TILEPRO_IMM16_X0_TLS_LE_LO:
3043
0
  case R_TILEPRO_IMM16_X1_TLS_LE_LO:
3044
0
  case R_TILEPRO_IMM16_X0_TLS_LE_HI:
3045
0
  case R_TILEPRO_IMM16_X1_TLS_LE_HI:
3046
0
  case R_TILEPRO_IMM16_X0_TLS_LE_HA:
3047
0
  case R_TILEPRO_IMM16_X1_TLS_LE_HA:
3048
0
    if (!bfd_link_executable (info))
3049
0
      {
3050
0
        Elf_Internal_Rela outrel;
3051
0
        bool skip;
3052
3053
0
        BFD_ASSERT (sreloc != NULL);
3054
0
        skip = false;
3055
0
        outrel.r_offset =
3056
0
    _bfd_elf_section_offset (output_bfd, info, input_section,
3057
0
           rel->r_offset);
3058
0
        if (outrel.r_offset == (bfd_vma) -1)
3059
0
    skip = true;
3060
0
        else if (outrel.r_offset == (bfd_vma) -2)
3061
0
    skip = true;
3062
0
        outrel.r_offset += (input_section->output_section->vma
3063
0
          + input_section->output_offset);
3064
0
        if (skip)
3065
0
    memset (&outrel, 0, sizeof outrel);
3066
0
        else
3067
0
    {
3068
0
      outrel.r_info = ELF32_R_INFO (0, r_type);
3069
0
      outrel.r_addend = relocation - dtpoff_base (info)
3070
0
            + rel->r_addend;
3071
0
    }
3072
3073
0
        tilepro_elf_append_rela_32 (output_bfd, sreloc, &outrel);
3074
0
        continue;
3075
0
      }
3076
0
    relocation = tpoff (info, relocation);
3077
0
    break;
3078
3079
0
  case R_TILEPRO_IMM16_X0_TLS_GD:
3080
0
  case R_TILEPRO_IMM16_X1_TLS_GD:
3081
0
  case R_TILEPRO_IMM16_X0_TLS_GD_LO:
3082
0
  case R_TILEPRO_IMM16_X1_TLS_GD_LO:
3083
0
  case R_TILEPRO_IMM16_X0_TLS_GD_HI:
3084
0
  case R_TILEPRO_IMM16_X1_TLS_GD_HI:
3085
0
  case R_TILEPRO_IMM16_X0_TLS_GD_HA:
3086
0
  case R_TILEPRO_IMM16_X1_TLS_GD_HA:
3087
0
  case R_TILEPRO_IMM16_X0_TLS_IE:
3088
0
  case R_TILEPRO_IMM16_X1_TLS_IE:
3089
0
  case R_TILEPRO_IMM16_X0_TLS_IE_LO:
3090
0
  case R_TILEPRO_IMM16_X1_TLS_IE_LO:
3091
0
  case R_TILEPRO_IMM16_X0_TLS_IE_HI:
3092
0
  case R_TILEPRO_IMM16_X1_TLS_IE_HI:
3093
0
  case R_TILEPRO_IMM16_X0_TLS_IE_HA:
3094
0
  case R_TILEPRO_IMM16_X1_TLS_IE_HA:
3095
0
    r_type = tilepro_elf_tls_transition (info, r_type, h == NULL);
3096
0
    tls_type = GOT_UNKNOWN;
3097
0
    if (h == NULL && local_got_offsets)
3098
0
      tls_type
3099
0
        = _bfd_tilepro_elf_local_got_tls_type (input_bfd) [r_symndx];
3100
0
    else if (h != NULL)
3101
0
      {
3102
0
        tls_type = tilepro_elf_hash_entry(h)->tls_type;
3103
0
        if (bfd_link_executable (info)
3104
0
      && h->dynindx == -1
3105
0
      && tls_type == GOT_TLS_IE)
3106
0
    r_type = tilepro_tls_translate_to_le (r_type);
3107
0
      }
3108
0
    if (tls_type == GOT_TLS_IE)
3109
0
      r_type = tilepro_tls_translate_to_ie (r_type);
3110
3111
0
    if (r_type == R_TILEPRO_IMM16_X0_TLS_LE
3112
0
        || r_type == R_TILEPRO_IMM16_X1_TLS_LE
3113
0
        || r_type == R_TILEPRO_IMM16_X0_TLS_LE_LO
3114
0
        || r_type == R_TILEPRO_IMM16_X1_TLS_LE_LO
3115
0
        || r_type == R_TILEPRO_IMM16_X0_TLS_LE_HI
3116
0
        || r_type == R_TILEPRO_IMM16_X1_TLS_LE_HI
3117
0
        || r_type == R_TILEPRO_IMM16_X0_TLS_LE_HA
3118
0
        || r_type == R_TILEPRO_IMM16_X1_TLS_LE_HA)
3119
0
      {
3120
0
        relocation = tpoff (info, relocation);
3121
0
        break;
3122
0
      }
3123
3124
0
    if (h != NULL)
3125
0
      {
3126
0
        off = h->got.offset;
3127
0
        h->got.offset |= 1;
3128
0
      }
3129
0
    else
3130
0
      {
3131
0
        BFD_ASSERT (local_got_offsets != NULL);
3132
0
        off = local_got_offsets[r_symndx];
3133
0
        local_got_offsets[r_symndx] |= 1;
3134
0
      }
3135
3136
0
    if (htab->sgot == NULL)
3137
0
      abort ();
3138
3139
0
    if ((off & 1) != 0)
3140
0
      off &= ~1;
3141
0
    else
3142
0
      {
3143
0
        Elf_Internal_Rela outrel;
3144
0
        int indx = 0;
3145
0
        bool need_relocs = false;
3146
3147
0
        if (htab->srelgot == NULL)
3148
0
    abort ();
3149
3150
0
        if (h != NULL)
3151
0
        {
3152
0
    bool dyn;
3153
0
    dyn = htab->dynamic_sections_created;
3154
3155
0
    if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3156
0
                 bfd_link_pic (info),
3157
0
                 h)
3158
0
        && (!bfd_link_pic (info)
3159
0
      || !SYMBOL_REFERENCES_LOCAL (info, h)))
3160
0
      {
3161
0
        indx = h->dynindx;
3162
0
      }
3163
0
        }
3164
3165
        /* The GOT entries have not been initialized yet.  Do it
3166
     now, and emit any relocations. */
3167
0
        if ((bfd_link_pic (info) || indx != 0)
3168
0
      && (h == NULL
3169
0
          || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3170
0
          || h->root.type != bfd_link_hash_undefweak))
3171
0
        need_relocs = true;
3172
3173
0
        switch (r_type)
3174
0
    {
3175
0
      case R_TILEPRO_IMM16_X0_TLS_IE:
3176
0
      case R_TILEPRO_IMM16_X1_TLS_IE:
3177
0
      case R_TILEPRO_IMM16_X0_TLS_IE_LO:
3178
0
      case R_TILEPRO_IMM16_X1_TLS_IE_LO:
3179
0
      case R_TILEPRO_IMM16_X0_TLS_IE_HI:
3180
0
      case R_TILEPRO_IMM16_X1_TLS_IE_HI:
3181
0
      case R_TILEPRO_IMM16_X0_TLS_IE_HA:
3182
0
      case R_TILEPRO_IMM16_X1_TLS_IE_HA:
3183
0
        if (need_relocs) {
3184
0
          bfd_put_32 (output_bfd, 0, htab->sgot->contents + off);
3185
0
          outrel.r_offset = (htab->sgot->output_section->vma
3186
0
               + htab->sgot->output_offset + off);
3187
0
          outrel.r_addend = 0;
3188
0
          if (indx == 0)
3189
0
      outrel.r_addend = relocation - dtpoff_base (info);
3190
0
          outrel.r_info = ELF32_R_INFO (indx, R_TILEPRO_TLS_TPOFF32);
3191
0
          tilepro_elf_append_rela_32 (output_bfd, htab->srelgot,
3192
0
              &outrel);
3193
0
        } else {
3194
0
          bfd_put_32 (output_bfd, tpoff (info, relocation),
3195
0
          htab->sgot->contents + off);
3196
0
        }
3197
0
        break;
3198
3199
0
      case R_TILEPRO_IMM16_X0_TLS_GD:
3200
0
      case R_TILEPRO_IMM16_X1_TLS_GD:
3201
0
      case R_TILEPRO_IMM16_X0_TLS_GD_LO:
3202
0
      case R_TILEPRO_IMM16_X1_TLS_GD_LO:
3203
0
      case R_TILEPRO_IMM16_X0_TLS_GD_HI:
3204
0
      case R_TILEPRO_IMM16_X1_TLS_GD_HI:
3205
0
      case R_TILEPRO_IMM16_X0_TLS_GD_HA:
3206
0
      case R_TILEPRO_IMM16_X1_TLS_GD_HA:
3207
0
        if (need_relocs) {
3208
0
          outrel.r_offset = (htab->sgot->output_section->vma
3209
0
               + htab->sgot->output_offset + off);
3210
0
          outrel.r_addend = 0;
3211
0
          outrel.r_info = ELF32_R_INFO (indx, R_TILEPRO_TLS_DTPMOD32);
3212
0
          bfd_put_32 (output_bfd, 0, htab->sgot->contents + off);
3213
0
          tilepro_elf_append_rela_32 (output_bfd, htab->srelgot,
3214
0
              &outrel);
3215
0
          if (indx == 0)
3216
0
      {
3217
0
        BFD_ASSERT (! unresolved_reloc);
3218
0
        bfd_put_32 (output_bfd,
3219
0
              relocation - dtpoff_base (info),
3220
0
              (htab->sgot->contents + off +
3221
0
               TILEPRO_BYTES_PER_WORD));
3222
0
      }
3223
0
          else
3224
0
      {
3225
0
        bfd_put_32 (output_bfd, 0,
3226
0
              (htab->sgot->contents + off +
3227
0
               TILEPRO_BYTES_PER_WORD));
3228
0
        outrel.r_info = ELF32_R_INFO (indx,
3229
0
              R_TILEPRO_TLS_DTPOFF32);
3230
0
        outrel.r_offset += TILEPRO_BYTES_PER_WORD;
3231
0
        tilepro_elf_append_rela_32 (output_bfd,
3232
0
                  htab->srelgot, &outrel);
3233
0
      }
3234
0
        }
3235
3236
0
        else {
3237
          /* If we are not emitting relocations for a
3238
       general dynamic reference, then we must be in a
3239
       static link or an executable link with the
3240
       symbol binding locally.  Mark it as belonging
3241
       to module 1, the executable.  */
3242
0
          bfd_put_32 (output_bfd, 1,
3243
0
          htab->sgot->contents + off );
3244
0
          bfd_put_32 (output_bfd, relocation - dtpoff_base (info),
3245
0
          htab->sgot->contents + off +
3246
0
          TILEPRO_BYTES_PER_WORD);
3247
0
       }
3248
0
       break;
3249
0
    }
3250
0
      }
3251
3252
0
    if (off >= (bfd_vma) -2)
3253
0
      abort ();
3254
3255
0
    relocation = off - got_base;
3256
0
    unresolved_reloc = false;
3257
0
    howto = tilepro_elf_howto_table + r_type;
3258
0
    break;
3259
3260
0
  default:
3261
0
    break;
3262
0
  }
3263
3264
      /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3265
   because such sections are not SEC_ALLOC and thus ld.so will
3266
   not process them.  */
3267
0
      if (unresolved_reloc
3268
0
    && !((input_section->flags & SEC_DEBUGGING) != 0
3269
0
         && h->def_dynamic)
3270
0
    && _bfd_elf_section_offset (output_bfd, info, input_section,
3271
0
              rel->r_offset) != (bfd_vma) -1)
3272
0
  _bfd_error_handler
3273
    /* xgettext:c-format */
3274
0
    (_("%pB(%pA+%#" PRIx64 "): "
3275
0
       "unresolvable %s relocation against symbol `%s'"),
3276
0
     input_bfd,
3277
0
     input_section,
3278
0
     (uint64_t) rel->r_offset,
3279
0
     howto->name,
3280
0
     h->root.root.string);
3281
3282
0
      r = bfd_reloc_continue;
3283
3284
      /* For the _HA types, we add 0x8000 so that if bit 15 is set,
3285
       * we will increment bit 16.  The howto->rightshift takes care
3286
       * of the rest for us. */
3287
0
      switch (r_type)
3288
0
      {
3289
0
      case R_TILEPRO_HA16:
3290
0
      case R_TILEPRO_IMM16_X0_HA:
3291
0
      case R_TILEPRO_IMM16_X1_HA:
3292
0
      case R_TILEPRO_IMM16_X0_HA_PCREL:
3293
0
      case R_TILEPRO_IMM16_X1_HA_PCREL:
3294
0
      case R_TILEPRO_IMM16_X0_GOT_HA:
3295
0
      case R_TILEPRO_IMM16_X1_GOT_HA:
3296
0
      case R_TILEPRO_IMM16_X0_TLS_GD_HA:
3297
0
      case R_TILEPRO_IMM16_X1_TLS_GD_HA:
3298
0
      case R_TILEPRO_IMM16_X0_TLS_IE_HA:
3299
0
      case R_TILEPRO_IMM16_X1_TLS_IE_HA:
3300
0
  relocation += 0x8000;
3301
0
  break;
3302
0
      }
3303
3304
      /* Get the operand creation function, if any. */
3305
0
      create_func = reloc_to_create_func[r_type];
3306
0
      if (create_func == NULL)
3307
0
      {
3308
0
  r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3309
0
              contents, rel->r_offset,
3310
0
              relocation, rel->r_addend);
3311
0
      }
3312
0
      else
3313
0
      {
3314
0
  if (howto->pc_relative)
3315
0
  {
3316
0
    relocation -=
3317
0
      input_section->output_section->vma + input_section->output_offset;
3318
0
    if (howto->pcrel_offset)
3319
0
      relocation -= rel->r_offset;
3320
0
  }
3321
3322
0
  bfd_byte *data;
3323
3324
  /* Add the relocation addend if any to the final target value */
3325
0
  relocation += rel->r_addend;
3326
3327
  /* Do basic range checking */
3328
0
  r = bfd_check_overflow (howto->complain_on_overflow,
3329
0
        howto->bitsize,
3330
0
        howto->rightshift,
3331
0
        32,
3332
0
        relocation);
3333
3334
  /*
3335
   * Write the relocated value out into the raw section data.
3336
   * Don't put a relocation out in the .rela section.
3337
   */
3338
0
  tilepro_bundle_bits mask = create_func(-1);
3339
0
  tilepro_bundle_bits value = create_func(relocation >> howto->rightshift);
3340
3341
  /* Only touch bytes while the mask is not 0, so we
3342
     don't write to out of bounds memory if this is actually
3343
     a 16-bit switch instruction. */
3344
0
  for (data = contents + rel->r_offset; mask != 0; data++)
3345
0
    {
3346
0
      bfd_byte byte_mask = (bfd_byte)mask;
3347
0
      *data = (*data & ~byte_mask) | ((bfd_byte)value & byte_mask);
3348
0
      mask >>= 8;
3349
0
      value >>= 8;
3350
0
    }
3351
0
      }
3352
3353
0
      if (r != bfd_reloc_ok)
3354
0
  {
3355
0
    const char *msg = NULL;
3356
3357
0
    switch (r)
3358
0
      {
3359
0
      case bfd_reloc_overflow:
3360
0
        (*info->callbacks->reloc_overflow)
3361
0
    (info, (h ? &h->root : NULL), name, howto->name,
3362
0
     (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
3363
0
        break;
3364
3365
0
      case bfd_reloc_undefined:
3366
0
        (*info->callbacks->undefined_symbol)
3367
0
    (info, name, input_bfd, input_section, rel->r_offset, true);
3368
0
        break;
3369
3370
0
      case bfd_reloc_outofrange:
3371
0
        msg = _("internal error: out of range error");
3372
0
        break;
3373
3374
0
      case bfd_reloc_notsupported:
3375
0
        msg = _("internal error: unsupported relocation error");
3376
0
        break;
3377
3378
0
      case bfd_reloc_dangerous:
3379
0
        msg = _("internal error: dangerous relocation");
3380
0
        break;
3381
3382
0
      default:
3383
0
        msg = _("internal error: unknown error");
3384
0
        break;
3385
0
      }
3386
3387
0
    if (msg)
3388
0
      (*info->callbacks->warning) (info, msg, name, input_bfd,
3389
0
           input_section, rel->r_offset);
3390
0
  }
3391
0
    }
3392
3393
0
  return true;
3394
0
}
3395
3396
/* Finish up dynamic symbol handling.  We set the contents of various
3397
   dynamic sections here.  */
3398
3399
static bool
3400
tilepro_elf_finish_dynamic_symbol (bfd *output_bfd,
3401
           struct bfd_link_info *info,
3402
           struct elf_link_hash_entry *h,
3403
           Elf_Internal_Sym *sym)
3404
0
{
3405
0
  struct elf_link_hash_table *htab;
3406
3407
0
  htab = tilepro_elf_hash_table (info);
3408
0
  BFD_ASSERT (htab != NULL);
3409
3410
0
  if (h->plt.offset != (bfd_vma) -1)
3411
0
    {
3412
0
      asection *splt;
3413
0
      asection *srela;
3414
0
      asection *sgotplt;
3415
0
      Elf_Internal_Rela rela;
3416
0
      bfd_byte *loc;
3417
0
      bfd_vma r_offset;
3418
3419
0
      int rela_index;
3420
3421
      /* This symbol has an entry in the PLT.  Set it up.  */
3422
3423
0
      BFD_ASSERT (h->dynindx != -1);
3424
3425
0
      splt = htab->splt;
3426
0
      srela = htab->srelplt;
3427
0
      sgotplt = htab->sgotplt;
3428
3429
0
      if (splt == NULL || srela == NULL)
3430
0
       abort ();
3431
3432
      /* Fill in the entry in the procedure linkage table.  */
3433
0
      rela_index = tilepro_plt_entry_build (splt, sgotplt, h->plt.offset,
3434
0
              &r_offset);
3435
3436
      /* Fill in the entry in the global offset table, which initially points
3437
   to the beginning of the plt.  */
3438
0
      bfd_put_32 (output_bfd, splt->output_section->vma + splt->output_offset,
3439
0
      sgotplt->contents + r_offset);
3440
3441
      /* Fill in the entry in the .rela.plt section.  */
3442
0
      rela.r_offset = (sgotplt->output_section->vma
3443
0
           + sgotplt->output_offset
3444
0
           + r_offset);
3445
0
      rela.r_addend = 0;
3446
0
      rela.r_info = ELF32_R_INFO (h->dynindx, R_TILEPRO_JMP_SLOT);
3447
3448
0
      loc = srela->contents + rela_index * sizeof (Elf32_External_Rela);
3449
0
      bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3450
3451
0
      if (!h->def_regular)
3452
0
  {
3453
    /* Mark the symbol as undefined, rather than as defined in
3454
       the .plt section.  Leave the value alone.  */
3455
0
    sym->st_shndx = SHN_UNDEF;
3456
    /* If the symbol is weak, we do need to clear the value.
3457
       Otherwise, the PLT entry would provide a definition for
3458
       the symbol even if the symbol wasn't defined anywhere,
3459
       and so the symbol would never be NULL.  */
3460
0
    if (!h->ref_regular_nonweak)
3461
0
      sym->st_value = 0;
3462
0
  }
3463
0
    }
3464
3465
0
  if (h->got.offset != (bfd_vma) -1
3466
0
      && tilepro_elf_hash_entry(h)->tls_type != GOT_TLS_GD
3467
0
      && tilepro_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
3468
0
    {
3469
0
      asection *sgot;
3470
0
      asection *srela;
3471
0
      Elf_Internal_Rela rela;
3472
3473
      /* This symbol has an entry in the GOT.  Set it up.  */
3474
3475
0
      sgot = htab->sgot;
3476
0
      srela = htab->srelgot;
3477
0
      BFD_ASSERT (sgot != NULL && srela != NULL);
3478
3479
0
      rela.r_offset = (sgot->output_section->vma
3480
0
           + sgot->output_offset
3481
0
           + (h->got.offset &~ (bfd_vma) 1));
3482
3483
      /* If this is a -Bsymbolic link, and the symbol is defined
3484
   locally, we just want to emit a RELATIVE reloc.  Likewise if
3485
   the symbol was forced to be local because of a version file.
3486
   The entry in the global offset table will already have been
3487
   initialized in the relocate_section function.  */
3488
0
      if (bfd_link_pic (info)
3489
0
    && (info->symbolic || h->dynindx == -1)
3490
0
    && h->def_regular)
3491
0
  {
3492
0
    asection *sec = h->root.u.def.section;
3493
0
    rela.r_info = ELF32_R_INFO (0, R_TILEPRO_RELATIVE);
3494
0
    rela.r_addend = (h->root.u.def.value
3495
0
         + sec->output_section->vma
3496
0
         + sec->output_offset);
3497
0
  }
3498
0
      else
3499
0
  {
3500
0
    rela.r_info = ELF32_R_INFO (h->dynindx, R_TILEPRO_GLOB_DAT);
3501
0
    rela.r_addend = 0;
3502
0
  }
3503
3504
0
      bfd_put_32 (output_bfd, 0,
3505
0
        sgot->contents + (h->got.offset & ~(bfd_vma) 1));
3506
0
      tilepro_elf_append_rela_32 (output_bfd, srela, &rela);
3507
0
    }
3508
3509
0
  if (h->needs_copy)
3510
0
    {
3511
0
      asection *s;
3512
0
      Elf_Internal_Rela rela;
3513
3514
      /* This symbols needs a copy reloc.  Set it up.  */
3515
0
      BFD_ASSERT (h->dynindx != -1);
3516
3517
0
      rela.r_offset = (h->root.u.def.value
3518
0
           + h->root.u.def.section->output_section->vma
3519
0
           + h->root.u.def.section->output_offset);
3520
0
      rela.r_info = ELF32_R_INFO (h->dynindx, R_TILEPRO_COPY);
3521
0
      rela.r_addend = 0;
3522
0
      if (h->root.u.def.section == htab->sdynrelro)
3523
0
  s = htab->sreldynrelro;
3524
0
      else
3525
0
  s = htab->srelbss;
3526
0
      tilepro_elf_append_rela_32 (output_bfd, s, &rela);
3527
0
    }
3528
3529
  /* Mark some specially defined symbols as absolute. */
3530
0
  if (h == htab->hdynamic
3531
0
      || (h == htab->hgot || h == htab->hplt))
3532
0
    sym->st_shndx = SHN_ABS;
3533
3534
0
  return true;
3535
0
}
3536
3537
/* Finish up the dynamic sections.  */
3538
3539
static bool
3540
tilepro_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
3541
        bfd *dynobj, asection *sdyn,
3542
        asection *splt ATTRIBUTE_UNUSED)
3543
0
{
3544
0
  Elf32_External_Dyn *dyncon, *dynconend;
3545
0
  struct elf_link_hash_table *htab;
3546
3547
0
  htab = tilepro_elf_hash_table (info);
3548
0
  BFD_ASSERT (htab != NULL);
3549
0
  dyncon = (Elf32_External_Dyn *) sdyn->contents;
3550
0
  dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
3551
0
  for (; dyncon < dynconend; dyncon++)
3552
0
    {
3553
0
      Elf_Internal_Dyn dyn;
3554
0
      asection *s;
3555
3556
0
      bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
3557
3558
0
      switch (dyn.d_tag)
3559
0
  {
3560
0
  case DT_PLTGOT:
3561
0
    s = htab->sgotplt;
3562
0
    dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3563
0
    break;
3564
0
  case DT_JMPREL:
3565
0
    s = htab->srelplt;
3566
0
    dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3567
0
    break;
3568
0
  case DT_PLTRELSZ:
3569
0
    s = htab->srelplt;
3570
0
    dyn.d_un.d_val = s->size;
3571
0
    break;
3572
0
  default:
3573
0
    continue;
3574
0
  }
3575
3576
0
      bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3577
0
    }
3578
0
  return true;
3579
0
}
3580
3581
static bool
3582
tilepro_elf_finish_dynamic_sections (bfd *output_bfd,
3583
             struct bfd_link_info *info)
3584
0
{
3585
0
  bfd *dynobj;
3586
0
  asection *sdyn;
3587
0
  struct elf_link_hash_table *htab;
3588
3589
0
  htab = tilepro_elf_hash_table (info);
3590
0
  BFD_ASSERT (htab != NULL);
3591
0
  dynobj = htab->dynobj;
3592
3593
0
  sdyn = bfd_get_linker_section (dynobj, ".dynamic");
3594
3595
0
  if (elf_hash_table (info)->dynamic_sections_created)
3596
0
    {
3597
0
      asection *splt;
3598
0
      bool ret;
3599
3600
0
      splt = htab->splt;
3601
0
      BFD_ASSERT (splt != NULL && sdyn != NULL);
3602
3603
0
      ret = tilepro_finish_dyn (output_bfd, info, dynobj, sdyn, splt);
3604
3605
0
      if (!ret)
3606
0
  return ret;
3607
3608
      /* Fill in the first entry in the procedure linkage table.  */
3609
0
      if (splt->size > 0)
3610
0
  {
3611
0
    memcpy (splt->contents, tilepro_plt0_entry, PLT_HEADER_SIZE);
3612
0
    memset (splt->contents + PLT_HEADER_SIZE, 0,
3613
0
      PLT_ENTRY_SIZE - PLT_HEADER_SIZE);
3614
0
  }
3615
3616
0
      if (elf_section_data (splt->output_section) != NULL)
3617
0
  elf_section_data (splt->output_section)->this_hdr.sh_entsize
3618
0
    = PLT_ENTRY_SIZE;
3619
0
    }
3620
3621
0
  if (htab->sgotplt)
3622
0
    {
3623
0
      if (bfd_is_abs_section (htab->sgotplt->output_section))
3624
0
  {
3625
0
    _bfd_error_handler
3626
0
      (_("discarded output section: `%pA'"), htab->sgotplt);
3627
0
    return false;
3628
0
  }
3629
3630
0
      if (htab->sgotplt->size > 0)
3631
0
  {
3632
    /* Write the first two entries in .got.plt, needed for the dynamic
3633
       linker.  */
3634
0
    bfd_put_32 (output_bfd, (bfd_vma) -1,
3635
0
          htab->sgotplt->contents);
3636
0
    bfd_put_32 (output_bfd, (bfd_vma) 0,
3637
0
          htab->sgotplt->contents + GOT_ENTRY_SIZE);
3638
0
  }
3639
3640
0
      elf_section_data (htab->sgotplt->output_section)->this_hdr.sh_entsize
3641
0
  = GOT_ENTRY_SIZE;
3642
0
    }
3643
3644
0
  if (htab->sgot)
3645
0
    {
3646
0
      if (htab->sgot->size > 0)
3647
0
  {
3648
    /* Set the first entry in the global offset table to the address of
3649
       the dynamic section.  */
3650
0
    bfd_vma val = (sdyn ?
3651
0
       sdyn->output_section->vma + sdyn->output_offset :
3652
0
       0);
3653
0
    bfd_put_32 (output_bfd, val, htab->sgot->contents);
3654
0
  }
3655
3656
0
      elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize
3657
0
  = GOT_ENTRY_SIZE;
3658
0
    }
3659
3660
0
  return true;
3661
0
}
3662
3663

3664
3665
/* Return address for Ith PLT stub in section PLT, for relocation REL
3666
   or (bfd_vma) -1 if it should not be included.  */
3667
3668
static bfd_vma
3669
tilepro_elf_plt_sym_val (bfd_vma i, const asection *plt,
3670
          const arelent *rel ATTRIBUTE_UNUSED)
3671
0
{
3672
0
  return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
3673
0
}
3674
3675
static enum elf_reloc_type_class
3676
tilepro_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
3677
        const asection *rel_sec ATTRIBUTE_UNUSED,
3678
        const Elf_Internal_Rela *rela)
3679
0
{
3680
0
  switch ((int) ELF32_R_TYPE (rela->r_info))
3681
0
    {
3682
0
    case R_TILEPRO_RELATIVE:
3683
0
      return reloc_class_relative;
3684
0
    case R_TILEPRO_JMP_SLOT:
3685
0
      return reloc_class_plt;
3686
0
    case R_TILEPRO_COPY:
3687
0
      return reloc_class_copy;
3688
0
    default:
3689
0
      return reloc_class_normal;
3690
0
    }
3691
0
}
3692
3693
static int
3694
tilepro_additional_program_headers (bfd *abfd,
3695
            struct bfd_link_info *info ATTRIBUTE_UNUSED)
3696
0
{
3697
  /* Each .intrpt section specified by the user adds another PT_LOAD
3698
     header since the sections are discontiguous. */
3699
0
  static const char intrpt_sections[4][9] =
3700
0
    {
3701
0
      ".intrpt0", ".intrpt1", ".intrpt2", ".intrpt3"
3702
0
    };
3703
0
  int count = 0;
3704
0
  int i;
3705
3706
0
  for (i = 0; i < 4; i++)
3707
0
    {
3708
0
      asection *sec = bfd_get_section_by_name (abfd, intrpt_sections[i]);
3709
0
      if (sec != NULL && (sec->flags & SEC_LOAD) != 0)
3710
0
  ++count;
3711
0
    }
3712
3713
  /* Add four "padding" headers in to leave room in case a custom linker
3714
     script does something fancy. Otherwise ld complains that it ran
3715
     out of program headers and refuses to link. */
3716
0
  count += 4;
3717
3718
0
  return count;
3719
0
}
3720
3721
#define ELF_ARCH    bfd_arch_tilepro
3722
#define ELF_TARGET_ID   TILEPRO_ELF_DATA
3723
#define ELF_MACHINE_CODE  EM_TILEPRO
3724
#define ELF_MAXPAGESIZE   0x10000
3725
#define ELF_COMMONPAGESIZE  0x10000
3726
3727
#define TARGET_LITTLE_SYM tilepro_elf32_vec
3728
#define TARGET_LITTLE_NAME  "elf32-tilepro"
3729
3730
#define elf_backend_reloc_type_class       tilepro_reloc_type_class
3731
3732
#define bfd_elf32_bfd_reloc_name_lookup      tilepro_reloc_name_lookup
3733
#define bfd_elf32_bfd_link_hash_table_create tilepro_elf_link_hash_table_create
3734
#define bfd_elf32_bfd_reloc_type_lookup      tilepro_reloc_type_lookup
3735
3736
#define elf_backend_copy_indirect_symbol     tilepro_elf_copy_indirect_symbol
3737
#define elf_backend_create_dynamic_sections  tilepro_elf_create_dynamic_sections
3738
#define elf_backend_check_relocs       tilepro_elf_check_relocs
3739
#define elf_backend_adjust_dynamic_symbol    tilepro_elf_adjust_dynamic_symbol
3740
#define elf_backend_omit_section_dynsym      tilepro_elf_omit_section_dynsym
3741
#define elf_backend_late_size_sections       tilepro_elf_late_size_sections
3742
#define elf_backend_relocate_section       tilepro_elf_relocate_section
3743
#define elf_backend_finish_dynamic_symbol    tilepro_elf_finish_dynamic_symbol
3744
#define elf_backend_finish_dynamic_sections  tilepro_elf_finish_dynamic_sections
3745
#define elf_backend_gc_mark_hook       tilepro_elf_gc_mark_hook
3746
#define elf_backend_plt_sym_val        tilepro_elf_plt_sym_val
3747
#define elf_info_to_howto_rel        NULL
3748
#define elf_info_to_howto        tilepro_info_to_howto_rela
3749
#define elf_backend_grok_prstatus      tilepro_elf_grok_prstatus
3750
#define elf_backend_grok_psinfo        tilepro_elf_grok_psinfo
3751
#define elf_backend_additional_program_headers tilepro_additional_program_headers
3752
3753
#define bfd_elf32_mkobject         tilepro_elf_mkobject
3754
3755
#define elf_backend_init_index_section  _bfd_elf_init_1_index_section
3756
3757
#define elf_backend_can_gc_sections 1
3758
#define elf_backend_can_refcount 1
3759
#define elf_backend_want_got_plt 1
3760
#define elf_backend_plt_readonly 1
3761
/* Align PLT mod 64 byte L2 line size. */
3762
#define elf_backend_plt_alignment 6
3763
#define elf_backend_want_plt_sym 1
3764
#define elf_backend_got_header_size GOT_ENTRY_SIZE
3765
#define elf_backend_want_dynrelro 1
3766
#define elf_backend_rela_normal 1
3767
#define elf_backend_default_execstack 0
3768
3769
#include "elf32-target.h"