Coverage Report

Created: 2023-08-28 06:26

/src/binutils-gdb/bfd/elf-m10300.c
Line
Count
Source (jump to first uncovered line)
1
/* Matsushita 10300 specific support for 32-bit ELF
2
   Copyright (C) 1996-2023 Free Software Foundation, Inc.
3
4
   This file is part of BFD, the Binary File Descriptor library.
5
6
   This program is free software; you can redistribute it and/or modify
7
   it under the terms of the GNU General Public License as published by
8
   the Free Software Foundation; either version 3 of the License, or
9
   (at your option) any later version.
10
11
   This program is distributed in the hope that it will be useful,
12
   but WITHOUT ANY WARRANTY; without even the implied warranty of
13
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
   GNU General Public License for more details.
15
16
   You should have received a copy of the GNU General Public License
17
   along with this program; if not, write to the Free Software
18
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19
   MA 02110-1301, USA.  */
20
21
#include "sysdep.h"
22
#include "bfd.h"
23
#include "libbfd.h"
24
#include "elf-bfd.h"
25
#include "elf/mn10300.h"
26
#include "libiberty.h"
27
28
/* The mn10300 linker needs to keep track of the number of relocs that
29
   it decides to copy in check_relocs for each symbol.  This is so
30
   that it can discard PC relative relocs if it doesn't need them when
31
   linking with -Bsymbolic.  We store the information in a field
32
   extending the regular ELF linker hash table.  */
33
34
struct elf32_mn10300_link_hash_entry
35
{
36
  /* The basic elf link hash table entry.  */
37
  struct elf_link_hash_entry root;
38
39
  /* For function symbols, the number of times this function is
40
     called directly (ie by name).  */
41
  unsigned int direct_calls;
42
43
  /* For function symbols, the size of this function's stack
44
     (if <= 255 bytes).  We stuff this into "call" instructions
45
     to this target when it's valid and profitable to do so.
46
47
     This does not include stack allocated by movm!  */
48
  unsigned char stack_size;
49
50
  /* For function symbols, arguments (if any) for movm instruction
51
     in the prologue.  We stuff this value into "call" instructions
52
     to the target when it's valid and profitable to do so.  */
53
  unsigned char movm_args;
54
55
  /* For function symbols, the amount of stack space that would be allocated
56
     by the movm instruction.  This is redundant with movm_args, but we
57
     add it to the hash table to avoid computing it over and over.  */
58
  unsigned char movm_stack_size;
59
60
/* When set, convert all "call" instructions to this target into "calls"
61
   instructions.  */
62
0
#define MN10300_CONVERT_CALL_TO_CALLS 0x1
63
64
/* Used to mark functions which have had redundant parts of their
65
   prologue deleted.  */
66
0
#define MN10300_DELETED_PROLOGUE_BYTES 0x2
67
  unsigned char flags;
68
69
  /* Calculated value.  */
70
  bfd_vma value;
71
72
0
#define GOT_UNKNOWN 0
73
0
#define GOT_NORMAL  1
74
0
#define GOT_TLS_GD  2
75
0
#define GOT_TLS_LD  3
76
0
#define GOT_TLS_IE  4
77
  /* Used to distinguish GOT entries for TLS types from normal GOT entries.  */
78
  unsigned char tls_type;
79
};
80
81
/* We derive a hash table from the main elf linker hash table so
82
   we can store state variables and a secondary hash table without
83
   resorting to global variables.  */
84
struct elf32_mn10300_link_hash_table
85
{
86
  /* The main hash table.  */
87
  struct elf_link_hash_table root;
88
89
  /* A hash table for static functions.  We could derive a new hash table
90
     instead of using the full elf32_mn10300_link_hash_table if we wanted
91
     to save some memory.  */
92
  struct elf32_mn10300_link_hash_table *static_hash_table;
93
94
  /* Random linker state flags.  */
95
0
#define MN10300_HASH_ENTRIES_INITIALIZED 0x1
96
  char flags;
97
  struct
98
  {
99
    bfd_signed_vma  refcount;
100
    bfd_vma     offset;
101
    char      got_allocated;
102
    char      rel_emitted;
103
  } tls_ldm_got;
104
};
105
106
0
#define elf_mn10300_hash_entry(ent) ((struct elf32_mn10300_link_hash_entry *)(ent))
107
108
struct elf_mn10300_obj_tdata
109
{
110
  struct elf_obj_tdata root;
111
112
  /* tls_type for each local got entry.  */
113
  char * local_got_tls_type;
114
};
115
116
#define elf_mn10300_tdata(abfd) \
117
0
  ((struct elf_mn10300_obj_tdata *) (abfd)->tdata.any)
118
119
#define elf_mn10300_local_got_tls_type(abfd) \
120
0
  (elf_mn10300_tdata (abfd)->local_got_tls_type)
121
122
#ifndef streq
123
0
#define streq(a, b) (strcmp ((a),(b)) == 0)
124
#endif
125
126
/* For MN10300 linker hash table.  */
127
128
/* Get the MN10300 ELF linker hash table from a link_info structure.  */
129
130
#define elf32_mn10300_hash_table(p) \
131
0
  ((is_elf_hash_table ((p)->hash)          \
132
0
    && elf_hash_table_id (elf_hash_table (p)) == MN10300_ELF_DATA) \
133
0
   ? (struct elf32_mn10300_link_hash_table *) (p)->hash : NULL)
134
135
#define elf32_mn10300_link_hash_traverse(table, func, info)   \
136
0
  (elf_link_hash_traverse           \
137
0
   (&(table)->root,             \
138
0
    (bool (*) (struct elf_link_hash_entry *, void *)) (func),   \
139
0
    (info)))
140
141
static reloc_howto_type elf_mn10300_howto_table[] =
142
{
143
  /* Dummy relocation.  Does nothing.  */
144
  HOWTO (R_MN10300_NONE,
145
   0,
146
   0,
147
   0,
148
   false,
149
   0,
150
   complain_overflow_dont,
151
   bfd_elf_generic_reloc,
152
   "R_MN10300_NONE",
153
   false,
154
   0,
155
   0,
156
   false),
157
  /* Standard 32 bit reloc.  */
158
  HOWTO (R_MN10300_32,
159
   0,
160
   4,
161
   32,
162
   false,
163
   0,
164
   complain_overflow_bitfield,
165
   bfd_elf_generic_reloc,
166
   "R_MN10300_32",
167
   false,
168
   0xffffffff,
169
   0xffffffff,
170
   false),
171
  /* Standard 16 bit reloc.  */
172
  HOWTO (R_MN10300_16,
173
   0,
174
   2,
175
   16,
176
   false,
177
   0,
178
   complain_overflow_bitfield,
179
   bfd_elf_generic_reloc,
180
   "R_MN10300_16",
181
   false,
182
   0xffff,
183
   0xffff,
184
   false),
185
  /* Standard 8 bit reloc.  */
186
  HOWTO (R_MN10300_8,
187
   0,
188
   1,
189
   8,
190
   false,
191
   0,
192
   complain_overflow_bitfield,
193
   bfd_elf_generic_reloc,
194
   "R_MN10300_8",
195
   false,
196
   0xff,
197
   0xff,
198
   false),
199
  /* Standard 32bit pc-relative reloc.  */
200
  HOWTO (R_MN10300_PCREL32,
201
   0,
202
   4,
203
   32,
204
   true,
205
   0,
206
   complain_overflow_bitfield,
207
   bfd_elf_generic_reloc,
208
   "R_MN10300_PCREL32",
209
   false,
210
   0xffffffff,
211
   0xffffffff,
212
   true),
213
  /* Standard 16bit pc-relative reloc.  */
214
  HOWTO (R_MN10300_PCREL16,
215
   0,
216
   2,
217
   16,
218
   true,
219
   0,
220
   complain_overflow_bitfield,
221
   bfd_elf_generic_reloc,
222
   "R_MN10300_PCREL16",
223
   false,
224
   0xffff,
225
   0xffff,
226
   true),
227
  /* Standard 8 pc-relative reloc.  */
228
  HOWTO (R_MN10300_PCREL8,
229
   0,
230
   1,
231
   8,
232
   true,
233
   0,
234
   complain_overflow_bitfield,
235
   bfd_elf_generic_reloc,
236
   "R_MN10300_PCREL8",
237
   false,
238
   0xff,
239
   0xff,
240
   true),
241
242
  /* GNU extension to record C++ vtable hierarchy.  */
243
  HOWTO (R_MN10300_GNU_VTINHERIT, /* type */
244
   0,     /* rightshift */
245
   0,     /* size */
246
   0,     /* bitsize */
247
   false,     /* pc_relative */
248
   0,     /* bitpos */
249
   complain_overflow_dont, /* complain_on_overflow */
250
   NULL,      /* special_function */
251
   "R_MN10300_GNU_VTINHERIT", /* name */
252
   false,     /* partial_inplace */
253
   0,     /* src_mask */
254
   0,     /* dst_mask */
255
   false),    /* pcrel_offset */
256
257
  /* GNU extension to record C++ vtable member usage */
258
  HOWTO (R_MN10300_GNU_VTENTRY, /* type */
259
   0,     /* rightshift */
260
   0,     /* size */
261
   0,     /* bitsize */
262
   false,     /* pc_relative */
263
   0,     /* bitpos */
264
   complain_overflow_dont, /* complain_on_overflow */
265
   NULL,      /* special_function */
266
   "R_MN10300_GNU_VTENTRY", /* name */
267
   false,     /* partial_inplace */
268
   0,     /* src_mask */
269
   0,     /* dst_mask */
270
   false),    /* pcrel_offset */
271
272
  /* Standard 24 bit reloc.  */
273
  HOWTO (R_MN10300_24,
274
   0,
275
   4,
276
   24,
277
   false,
278
   0,
279
   complain_overflow_bitfield,
280
   bfd_elf_generic_reloc,
281
   "R_MN10300_24",
282
   false,
283
   0xffffff,
284
   0xffffff,
285
   false),
286
  HOWTO (R_MN10300_GOTPC32, /* type */
287
   0,     /* rightshift */
288
   4,     /* size */
289
   32,      /* bitsize */
290
   true,      /* pc_relative */
291
   0,     /* bitpos */
292
   complain_overflow_bitfield, /* complain_on_overflow */
293
   bfd_elf_generic_reloc, /* */
294
   "R_MN10300_GOTPC32", /* name */
295
   false,     /* partial_inplace */
296
   0xffffffff,    /* src_mask */
297
   0xffffffff,    /* dst_mask */
298
   true),     /* pcrel_offset */
299
300
  HOWTO (R_MN10300_GOTPC16, /* type */
301
   0,     /* rightshift */
302
   2,     /* size */
303
   16,      /* bitsize */
304
   true,      /* pc_relative */
305
   0,     /* bitpos */
306
   complain_overflow_bitfield, /* complain_on_overflow */
307
   bfd_elf_generic_reloc, /* */
308
   "R_MN10300_GOTPC16", /* name */
309
   false,     /* partial_inplace */
310
   0xffff,    /* src_mask */
311
   0xffff,    /* dst_mask */
312
   true),     /* pcrel_offset */
313
314
  HOWTO (R_MN10300_GOTOFF32,  /* type */
315
   0,     /* rightshift */
316
   4,     /* size */
317
   32,      /* bitsize */
318
   false,     /* pc_relative */
319
   0,     /* bitpos */
320
   complain_overflow_bitfield, /* complain_on_overflow */
321
   bfd_elf_generic_reloc, /* */
322
   "R_MN10300_GOTOFF32",  /* name */
323
   false,     /* partial_inplace */
324
   0xffffffff,    /* src_mask */
325
   0xffffffff,    /* dst_mask */
326
   false),    /* pcrel_offset */
327
328
  HOWTO (R_MN10300_GOTOFF24,  /* type */
329
   0,     /* rightshift */
330
   4,     /* size */
331
   24,      /* bitsize */
332
   false,     /* pc_relative */
333
   0,     /* bitpos */
334
   complain_overflow_bitfield, /* complain_on_overflow */
335
   bfd_elf_generic_reloc, /* */
336
   "R_MN10300_GOTOFF24",  /* name */
337
   false,     /* partial_inplace */
338
   0xffffff,    /* src_mask */
339
   0xffffff,    /* dst_mask */
340
   false),    /* pcrel_offset */
341
342
  HOWTO (R_MN10300_GOTOFF16,  /* type */
343
   0,     /* rightshift */
344
   2,     /* size */
345
   16,      /* bitsize */
346
   false,     /* pc_relative */
347
   0,     /* bitpos */
348
   complain_overflow_bitfield, /* complain_on_overflow */
349
   bfd_elf_generic_reloc, /* */
350
   "R_MN10300_GOTOFF16",  /* name */
351
   false,     /* partial_inplace */
352
   0xffff,    /* src_mask */
353
   0xffff,    /* dst_mask */
354
   false),    /* pcrel_offset */
355
356
  HOWTO (R_MN10300_PLT32, /* type */
357
   0,     /* rightshift */
358
   4,     /* size */
359
   32,      /* bitsize */
360
   true,      /* pc_relative */
361
   0,     /* bitpos */
362
   complain_overflow_bitfield, /* complain_on_overflow */
363
   bfd_elf_generic_reloc, /* */
364
   "R_MN10300_PLT32", /* name */
365
   false,     /* partial_inplace */
366
   0xffffffff,    /* src_mask */
367
   0xffffffff,    /* dst_mask */
368
   true),     /* pcrel_offset */
369
370
  HOWTO (R_MN10300_PLT16, /* type */
371
   0,     /* rightshift */
372
   2,     /* size */
373
   16,      /* bitsize */
374
   true,      /* pc_relative */
375
   0,     /* bitpos */
376
   complain_overflow_bitfield, /* complain_on_overflow */
377
   bfd_elf_generic_reloc, /* */
378
   "R_MN10300_PLT16", /* name */
379
   false,     /* partial_inplace */
380
   0xffff,    /* src_mask */
381
   0xffff,    /* dst_mask */
382
   true),     /* pcrel_offset */
383
384
  HOWTO (R_MN10300_GOT32, /* type */
385
   0,     /* rightshift */
386
   4,     /* size */
387
   32,      /* bitsize */
388
   false,     /* pc_relative */
389
   0,     /* bitpos */
390
   complain_overflow_bitfield, /* complain_on_overflow */
391
   bfd_elf_generic_reloc, /* */
392
   "R_MN10300_GOT32", /* name */
393
   false,     /* partial_inplace */
394
   0xffffffff,    /* src_mask */
395
   0xffffffff,    /* dst_mask */
396
   false),    /* pcrel_offset */
397
398
  HOWTO (R_MN10300_GOT24, /* type */
399
   0,     /* rightshift */
400
   4,     /* size */
401
   24,      /* bitsize */
402
   false,     /* pc_relative */
403
   0,     /* bitpos */
404
   complain_overflow_bitfield, /* complain_on_overflow */
405
   bfd_elf_generic_reloc, /* */
406
   "R_MN10300_GOT24", /* name */
407
   false,     /* partial_inplace */
408
   0xffffffff,    /* src_mask */
409
   0xffffffff,    /* dst_mask */
410
   false),    /* pcrel_offset */
411
412
  HOWTO (R_MN10300_GOT16, /* type */
413
   0,     /* rightshift */
414
   2,     /* size */
415
   16,      /* bitsize */
416
   false,     /* pc_relative */
417
   0,     /* bitpos */
418
   complain_overflow_bitfield, /* complain_on_overflow */
419
   bfd_elf_generic_reloc, /* */
420
   "R_MN10300_GOT16", /* name */
421
   false,     /* partial_inplace */
422
   0xffffffff,    /* src_mask */
423
   0xffffffff,    /* dst_mask */
424
   false),    /* pcrel_offset */
425
426
  HOWTO (R_MN10300_COPY,  /* type */
427
   0,     /* rightshift */
428
   4,     /* size */
429
   32,      /* bitsize */
430
   false,     /* pc_relative */
431
   0,     /* bitpos */
432
   complain_overflow_bitfield, /* complain_on_overflow */
433
   bfd_elf_generic_reloc, /* */
434
   "R_MN10300_COPY",    /* name */
435
   false,     /* partial_inplace */
436
   0xffffffff,    /* src_mask */
437
   0xffffffff,    /* dst_mask */
438
   false),    /* pcrel_offset */
439
440
  HOWTO (R_MN10300_GLOB_DAT,  /* type */
441
   0,     /* rightshift */
442
   4,     /* size */
443
   32,      /* bitsize */
444
   false,     /* pc_relative */
445
   0,     /* bitpos */
446
   complain_overflow_bitfield, /* complain_on_overflow */
447
   bfd_elf_generic_reloc, /* */
448
   "R_MN10300_GLOB_DAT",  /* name */
449
   false,     /* partial_inplace */
450
   0xffffffff,    /* src_mask */
451
   0xffffffff,    /* dst_mask */
452
   false),    /* pcrel_offset */
453
454
  HOWTO (R_MN10300_JMP_SLOT,  /* type */
455
   0,     /* rightshift */
456
   4,     /* size */
457
   32,      /* bitsize */
458
   false,     /* pc_relative */
459
   0,     /* bitpos */
460
   complain_overflow_bitfield, /* complain_on_overflow */
461
   bfd_elf_generic_reloc, /* */
462
   "R_MN10300_JMP_SLOT",  /* name */
463
   false,     /* partial_inplace */
464
   0xffffffff,    /* src_mask */
465
   0xffffffff,    /* dst_mask */
466
   false),    /* pcrel_offset */
467
468
  HOWTO (R_MN10300_RELATIVE,  /* type */
469
   0,     /* rightshift */
470
   4,     /* size */
471
   32,      /* bitsize */
472
   false,     /* pc_relative */
473
   0,     /* bitpos */
474
   complain_overflow_bitfield, /* complain_on_overflow */
475
   bfd_elf_generic_reloc, /* */
476
   "R_MN10300_RELATIVE",  /* name */
477
   false,     /* partial_inplace */
478
   0xffffffff,    /* src_mask */
479
   0xffffffff,    /* dst_mask */
480
   false),    /* pcrel_offset */
481
482
  HOWTO (R_MN10300_TLS_GD,  /* type */
483
   0,     /* rightshift */
484
   4,     /* size */
485
   32,      /* bitsize */
486
   false,     /* pc_relative */
487
   0,     /* bitpos */
488
   complain_overflow_bitfield, /* complain_on_overflow */
489
   bfd_elf_generic_reloc, /* */
490
   "R_MN10300_TLS_GD",  /* name */
491
   false,     /* partial_inplace */
492
   0xffffffff,    /* src_mask */
493
   0xffffffff,    /* dst_mask */
494
   false),    /* pcrel_offset */
495
496
  HOWTO (R_MN10300_TLS_LD,  /* type */
497
   0,     /* rightshift */
498
   4,     /* size */
499
   32,      /* bitsize */
500
   false,     /* pc_relative */
501
   0,     /* bitpos */
502
   complain_overflow_bitfield, /* complain_on_overflow */
503
   bfd_elf_generic_reloc, /* */
504
   "R_MN10300_TLS_LD",  /* name */
505
   false,     /* partial_inplace */
506
   0xffffffff,    /* src_mask */
507
   0xffffffff,    /* dst_mask */
508
   false),    /* pcrel_offset */
509
510
  HOWTO (R_MN10300_TLS_LDO, /* type */
511
   0,     /* rightshift */
512
   4,     /* size */
513
   32,      /* bitsize */
514
   false,     /* pc_relative */
515
   0,     /* bitpos */
516
   complain_overflow_bitfield, /* complain_on_overflow */
517
   bfd_elf_generic_reloc, /* */
518
   "R_MN10300_TLS_LDO", /* name */
519
   false,     /* partial_inplace */
520
   0xffffffff,    /* src_mask */
521
   0xffffffff,    /* dst_mask */
522
   false),    /* pcrel_offset */
523
524
  HOWTO (R_MN10300_TLS_GOTIE, /* type */
525
   0,     /* rightshift */
526
   4,     /* size */
527
   32,      /* bitsize */
528
   false,     /* pc_relative */
529
   0,     /* bitpos */
530
   complain_overflow_bitfield, /* complain_on_overflow */
531
   bfd_elf_generic_reloc, /* */
532
   "R_MN10300_TLS_GOTIE", /* name */
533
   false,     /* partial_inplace */
534
   0xffffffff,    /* src_mask */
535
   0xffffffff,    /* dst_mask */
536
   false),    /* pcrel_offset */
537
538
  HOWTO (R_MN10300_TLS_IE,  /* type */
539
   0,     /* rightshift */
540
   4,     /* size */
541
   32,      /* bitsize */
542
   false,     /* pc_relative */
543
   0,     /* bitpos */
544
   complain_overflow_bitfield, /* complain_on_overflow */
545
   bfd_elf_generic_reloc, /* */
546
   "R_MN10300_TLS_IE",  /* name */
547
   false,     /* partial_inplace */
548
   0xffffffff,    /* src_mask */
549
   0xffffffff,    /* dst_mask */
550
   false),    /* pcrel_offset */
551
552
  HOWTO (R_MN10300_TLS_LE,  /* type */
553
   0,     /* rightshift */
554
   4,     /* size */
555
   32,      /* bitsize */
556
   false,     /* pc_relative */
557
   0,     /* bitpos */
558
   complain_overflow_bitfield, /* complain_on_overflow */
559
   bfd_elf_generic_reloc, /* */
560
   "R_MN10300_TLS_LE",  /* name */
561
   false,     /* partial_inplace */
562
   0xffffffff,    /* src_mask */
563
   0xffffffff,    /* dst_mask */
564
   false),    /* pcrel_offset */
565
566
  HOWTO (R_MN10300_TLS_DTPMOD,  /* type */
567
   0,     /* rightshift */
568
   4,     /* size */
569
   32,      /* bitsize */
570
   false,     /* pc_relative */
571
   0,     /* bitpos */
572
   complain_overflow_bitfield, /* complain_on_overflow */
573
   bfd_elf_generic_reloc, /* */
574
   "R_MN10300_TLS_DTPMOD",  /* name */
575
   false,     /* partial_inplace */
576
   0xffffffff,    /* src_mask */
577
   0xffffffff,    /* dst_mask */
578
   false),    /* pcrel_offset */
579
580
  HOWTO (R_MN10300_TLS_DTPOFF,  /* type */
581
   0,     /* rightshift */
582
   4,     /* size */
583
   32,      /* bitsize */
584
   false,     /* pc_relative */
585
   0,     /* bitpos */
586
   complain_overflow_bitfield, /* complain_on_overflow */
587
   bfd_elf_generic_reloc, /* */
588
   "R_MN10300_TLS_DTPOFF",  /* name */
589
   false,     /* partial_inplace */
590
   0xffffffff,    /* src_mask */
591
   0xffffffff,    /* dst_mask */
592
   false),    /* pcrel_offset */
593
594
  HOWTO (R_MN10300_TLS_TPOFF, /* type */
595
   0,     /* rightshift */
596
   4,     /* size */
597
   32,      /* bitsize */
598
   false,     /* pc_relative */
599
   0,     /* bitpos */
600
   complain_overflow_bitfield, /* complain_on_overflow */
601
   bfd_elf_generic_reloc, /* */
602
   "R_MN10300_TLS_TPOFF", /* name */
603
   false,     /* partial_inplace */
604
   0xffffffff,    /* src_mask */
605
   0xffffffff,    /* dst_mask */
606
   false),    /* pcrel_offset */
607
608
  HOWTO (R_MN10300_SYM_DIFF,  /* type */
609
   0,     /* rightshift */
610
   4,     /* size */
611
   32,      /* bitsize */
612
   false,     /* pc_relative */
613
   0,     /* bitpos */
614
   complain_overflow_dont,/* complain_on_overflow */
615
   NULL,      /* special handler.  */
616
   "R_MN10300_SYM_DIFF",  /* name */
617
   false,     /* partial_inplace */
618
   0xffffffff,    /* src_mask */
619
   0xffffffff,    /* dst_mask */
620
   false),    /* pcrel_offset */
621
622
  HOWTO (R_MN10300_ALIGN, /* type */
623
   0,     /* rightshift */
624
   1,     /* size */
625
   32,      /* bitsize */
626
   false,     /* pc_relative */
627
   0,     /* bitpos */
628
   complain_overflow_dont,/* complain_on_overflow */
629
   NULL,      /* special handler.  */
630
   "R_MN10300_ALIGN", /* name */
631
   false,     /* partial_inplace */
632
   0,     /* src_mask */
633
   0,     /* dst_mask */
634
   false)     /* pcrel_offset */
635
};
636
637
struct mn10300_reloc_map
638
{
639
  bfd_reloc_code_real_type bfd_reloc_val;
640
  unsigned char elf_reloc_val;
641
};
642
643
static const struct mn10300_reloc_map mn10300_reloc_map[] =
644
{
645
  { BFD_RELOC_NONE, R_MN10300_NONE, },
646
  { BFD_RELOC_32, R_MN10300_32, },
647
  { BFD_RELOC_16, R_MN10300_16, },
648
  { BFD_RELOC_8, R_MN10300_8, },
649
  { BFD_RELOC_32_PCREL, R_MN10300_PCREL32, },
650
  { BFD_RELOC_16_PCREL, R_MN10300_PCREL16, },
651
  { BFD_RELOC_8_PCREL, R_MN10300_PCREL8, },
652
  { BFD_RELOC_24, R_MN10300_24, },
653
  { BFD_RELOC_VTABLE_INHERIT, R_MN10300_GNU_VTINHERIT },
654
  { BFD_RELOC_VTABLE_ENTRY, R_MN10300_GNU_VTENTRY },
655
  { BFD_RELOC_32_GOT_PCREL, R_MN10300_GOTPC32 },
656
  { BFD_RELOC_16_GOT_PCREL, R_MN10300_GOTPC16 },
657
  { BFD_RELOC_32_GOTOFF, R_MN10300_GOTOFF32 },
658
  { BFD_RELOC_MN10300_GOTOFF24, R_MN10300_GOTOFF24 },
659
  { BFD_RELOC_16_GOTOFF, R_MN10300_GOTOFF16 },
660
  { BFD_RELOC_32_PLT_PCREL, R_MN10300_PLT32 },
661
  { BFD_RELOC_16_PLT_PCREL, R_MN10300_PLT16 },
662
  { BFD_RELOC_MN10300_GOT32, R_MN10300_GOT32 },
663
  { BFD_RELOC_MN10300_GOT24, R_MN10300_GOT24 },
664
  { BFD_RELOC_MN10300_GOT16, R_MN10300_GOT16 },
665
  { BFD_RELOC_MN10300_COPY, R_MN10300_COPY },
666
  { BFD_RELOC_MN10300_GLOB_DAT, R_MN10300_GLOB_DAT },
667
  { BFD_RELOC_MN10300_JMP_SLOT, R_MN10300_JMP_SLOT },
668
  { BFD_RELOC_MN10300_RELATIVE, R_MN10300_RELATIVE },
669
  { BFD_RELOC_MN10300_TLS_GD, R_MN10300_TLS_GD },
670
  { BFD_RELOC_MN10300_TLS_LD, R_MN10300_TLS_LD },
671
  { BFD_RELOC_MN10300_TLS_LDO, R_MN10300_TLS_LDO },
672
  { BFD_RELOC_MN10300_TLS_GOTIE, R_MN10300_TLS_GOTIE },
673
  { BFD_RELOC_MN10300_TLS_IE, R_MN10300_TLS_IE },
674
  { BFD_RELOC_MN10300_TLS_LE, R_MN10300_TLS_LE },
675
  { BFD_RELOC_MN10300_TLS_DTPMOD, R_MN10300_TLS_DTPMOD },
676
  { BFD_RELOC_MN10300_TLS_DTPOFF, R_MN10300_TLS_DTPOFF },
677
  { BFD_RELOC_MN10300_TLS_TPOFF, R_MN10300_TLS_TPOFF },
678
  { BFD_RELOC_MN10300_SYM_DIFF, R_MN10300_SYM_DIFF },
679
  { BFD_RELOC_MN10300_ALIGN, R_MN10300_ALIGN }
680
};
681
682
/* Create the GOT section.  */
683
684
static bool
685
_bfd_mn10300_elf_create_got_section (bfd * abfd,
686
             struct bfd_link_info * info)
687
0
{
688
0
  flagword   flags;
689
0
  flagword   pltflags;
690
0
  asection * s;
691
0
  struct elf_link_hash_entry * h;
692
0
  const struct elf_backend_data * bed = get_elf_backend_data (abfd);
693
0
  struct elf_link_hash_table *htab;
694
0
  int ptralign;
695
696
  /* This function may be called more than once.  */
697
0
  htab = elf_hash_table (info);
698
0
  if (htab->sgot != NULL)
699
0
    return true;
700
701
0
  switch (bed->s->arch_size)
702
0
    {
703
0
    case 32:
704
0
      ptralign = 2;
705
0
      break;
706
707
0
    case 64:
708
0
      ptralign = 3;
709
0
      break;
710
711
0
    default:
712
0
      bfd_set_error (bfd_error_bad_value);
713
0
      return false;
714
0
    }
715
716
0
  flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
717
0
     | SEC_LINKER_CREATED);
718
719
0
  pltflags = flags;
720
0
  pltflags |= SEC_CODE;
721
0
  if (bed->plt_not_loaded)
722
0
    pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
723
0
  if (bed->plt_readonly)
724
0
    pltflags |= SEC_READONLY;
725
726
0
  s = bfd_make_section_anyway_with_flags (abfd, ".plt", pltflags);
727
0
  htab->splt = s;
728
0
  if (s == NULL
729
0
      || !bfd_set_section_alignment (s, bed->plt_alignment))
730
0
    return false;
731
732
  /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
733
     .plt section.  */
734
0
  if (bed->want_plt_sym)
735
0
    {
736
0
      h = _bfd_elf_define_linkage_sym (abfd, info, s,
737
0
               "_PROCEDURE_LINKAGE_TABLE_");
738
0
      htab->hplt = h;
739
0
      if (h == NULL)
740
0
  return false;
741
0
    }
742
743
0
  s = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
744
0
  htab->sgot = s;
745
0
  if (s == NULL
746
0
      || !bfd_set_section_alignment (s, ptralign))
747
0
    return false;
748
749
0
  if (bed->want_got_plt)
750
0
    {
751
0
      s = bfd_make_section_anyway_with_flags (abfd, ".got.plt", flags);
752
0
      htab->sgotplt = s;
753
0
      if (s == NULL
754
0
    || !bfd_set_section_alignment (s, ptralign))
755
0
  return false;
756
0
    }
757
758
  /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the .got
759
     (or .got.plt) section.  We don't do this in the linker script
760
     because we don't want to define the symbol if we are not creating
761
     a global offset table.  */
762
0
  h = _bfd_elf_define_linkage_sym (abfd, info, s, "_GLOBAL_OFFSET_TABLE_");
763
0
  htab->hgot = h;
764
0
  if (h == NULL)
765
0
    return false;
766
767
  /* The first bit of the global offset table is the header.  */
768
0
  s->size += bed->got_header_size;
769
770
0
  return true;
771
0
}
Unexecuted instantiation: elf-m10300.c:_bfd_mn10300_elf_create_got_section
Unexecuted instantiation: elf32-am33lin.c:_bfd_mn10300_elf_create_got_section
772
773
static reloc_howto_type *
774
bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
775
         bfd_reloc_code_real_type code)
776
0
{
777
0
  unsigned int i;
778
779
0
  for (i = ARRAY_SIZE (mn10300_reloc_map); i--;)
780
0
    if (mn10300_reloc_map[i].bfd_reloc_val == code)
781
0
      return &elf_mn10300_howto_table[mn10300_reloc_map[i].elf_reloc_val];
782
783
0
  return NULL;
784
0
}
Unexecuted instantiation: elf-m10300.c:bfd_elf32_bfd_reloc_type_lookup
Unexecuted instantiation: elf32-am33lin.c:bfd_elf32_bfd_reloc_type_lookup
785
786
static reloc_howto_type *
787
bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
788
         const char *r_name)
789
0
{
790
0
  unsigned int i;
791
792
0
  for (i = ARRAY_SIZE (elf_mn10300_howto_table); i--;)
793
0
    if (elf_mn10300_howto_table[i].name != NULL
794
0
  && strcasecmp (elf_mn10300_howto_table[i].name, r_name) == 0)
795
0
      return elf_mn10300_howto_table + i;
796
797
0
  return NULL;
798
0
}
Unexecuted instantiation: elf-m10300.c:bfd_elf32_bfd_reloc_name_lookup
Unexecuted instantiation: elf32-am33lin.c:bfd_elf32_bfd_reloc_name_lookup
799
800
/* Set the howto pointer for an MN10300 ELF reloc.  */
801
802
static bool
803
mn10300_info_to_howto (bfd *abfd,
804
           arelent *cache_ptr,
805
           Elf_Internal_Rela *dst)
806
0
{
807
0
  unsigned int r_type;
808
809
0
  r_type = ELF32_R_TYPE (dst->r_info);
810
0
  if (r_type >= R_MN10300_MAX)
811
0
    {
812
      /* xgettext:c-format */
813
0
      _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
814
0
        abfd, r_type);
815
0
      bfd_set_error (bfd_error_bad_value);
816
0
      return false;
817
0
    }
818
0
  cache_ptr->howto = elf_mn10300_howto_table + r_type;
819
0
  return true;
820
0
}
Unexecuted instantiation: elf-m10300.c:mn10300_info_to_howto
Unexecuted instantiation: elf32-am33lin.c:mn10300_info_to_howto
821
822
static int
823
elf_mn10300_tls_transition (struct bfd_link_info *    info,
824
          int         r_type,
825
          struct elf_link_hash_entry *  h,
826
          asection *        sec,
827
          bool        counting)
828
0
{
829
0
  bool is_local;
830
831
0
  if (r_type == R_MN10300_TLS_GD
832
0
      && h != NULL
833
0
      && elf_mn10300_hash_entry (h)->tls_type == GOT_TLS_IE)
834
0
    return R_MN10300_TLS_GOTIE;
835
836
0
  if (bfd_link_pic (info))
837
0
    return r_type;
838
839
0
  if (! (sec->flags & SEC_CODE))
840
0
    return r_type;
841
842
0
  if (! counting && h != NULL && ! elf_hash_table (info)->dynamic_sections_created)
843
0
    is_local = true;
844
0
  else
845
0
    is_local = SYMBOL_CALLS_LOCAL (info, h);
846
847
  /* For the main program, these are the transitions we do.  */
848
0
  switch (r_type)
849
0
    {
850
0
    case R_MN10300_TLS_GD: return is_local ? R_MN10300_TLS_LE : R_MN10300_TLS_GOTIE;
851
0
    case R_MN10300_TLS_LD: return R_MN10300_NONE;
852
0
    case R_MN10300_TLS_LDO: return R_MN10300_TLS_LE;
853
0
    case R_MN10300_TLS_IE:
854
0
    case R_MN10300_TLS_GOTIE: return is_local ? R_MN10300_TLS_LE : r_type;
855
0
    }
856
857
0
  return r_type;
858
0
}
Unexecuted instantiation: elf-m10300.c:elf_mn10300_tls_transition
Unexecuted instantiation: elf32-am33lin.c:elf_mn10300_tls_transition
859
860
/* Return the relocation value for @tpoff relocation
861
   if STT_TLS virtual address is ADDRESS.  */
862
863
static bfd_vma
864
dtpoff (struct bfd_link_info * info, bfd_vma address)
865
0
{
866
0
  struct elf_link_hash_table *htab = elf_hash_table (info);
867
868
  /* If tls_sec is NULL, we should have signalled an error already.  */
869
0
  if (htab->tls_sec == NULL)
870
0
    return 0;
871
0
  return address - htab->tls_sec->vma;
872
0
}
Unexecuted instantiation: elf-m10300.c:dtpoff
Unexecuted instantiation: elf32-am33lin.c:dtpoff
873
874
/* Return the relocation value for @tpoff relocation
875
   if STT_TLS virtual address is ADDRESS.  */
876
877
static bfd_vma
878
tpoff (struct bfd_link_info * info, bfd_vma address)
879
0
{
880
0
  struct elf_link_hash_table *htab = elf_hash_table (info);
881
882
  /* If tls_sec is NULL, we should have signalled an error already.  */
883
0
  if (htab->tls_sec == NULL)
884
0
    return 0;
885
0
  return address - (htab->tls_size + htab->tls_sec->vma);
886
0
}
Unexecuted instantiation: elf-m10300.c:tpoff
Unexecuted instantiation: elf32-am33lin.c:tpoff
887
888
/* Returns nonzero if there's a R_MN10300_PLT32 reloc that we now need
889
   to skip, after this one.  The actual value is the offset between
890
   this reloc and the PLT reloc.  */
891
892
static int
893
mn10300_do_tls_transition (bfd *   input_bfd,
894
         unsigned int  r_type,
895
         unsigned int  tls_r_type,
896
         bfd_byte *  contents,
897
         bfd_vma   offset)
898
0
{
899
0
  bfd_byte *op = contents + offset;
900
0
  int gotreg = 0;
901
902
0
#define TLS_PAIR(r1,r2) ((r1) * R_MN10300_MAX + (r2))
903
904
  /* This is common to all GD/LD transitions, so break it out.  */
905
0
  if (r_type == R_MN10300_TLS_GD
906
0
      || r_type == R_MN10300_TLS_LD)
907
0
    {
908
0
      op -= 2;
909
      /* mov imm,d0.  */
910
0
      BFD_ASSERT (bfd_get_8 (input_bfd, op) == 0xFC);
911
0
      BFD_ASSERT (bfd_get_8 (input_bfd, op + 1) == 0xCC);
912
      /* add aN,d0.  */
913
0
      BFD_ASSERT (bfd_get_8 (input_bfd, op + 6) == 0xF1);
914
0
      gotreg = (bfd_get_8 (input_bfd, op + 7) & 0x0c) >> 2;
915
      /* Call.  */
916
0
      BFD_ASSERT (bfd_get_8 (input_bfd, op + 8) == 0xDD);
917
0
    }
918
919
0
  switch (TLS_PAIR (r_type, tls_r_type))
920
0
    {
921
0
    case TLS_PAIR (R_MN10300_TLS_GD, R_MN10300_TLS_GOTIE):
922
0
      {
923
  /* Keep track of which register we put GOTptr in.  */
924
  /* mov (_x@indntpoff,a2),a0.  */
925
0
  memcpy (op, "\xFC\x20\x00\x00\x00\x00", 6);
926
0
  op[1] |= gotreg;
927
  /* add e2,a0.  */
928
0
  memcpy (op+6, "\xF9\x78\x28", 3);
929
  /* or  0x00000000, d0 - six byte nop.  */
930
0
  memcpy (op+9, "\xFC\xE4\x00\x00\x00\x00", 6);
931
0
      }
932
0
      return 7;
933
934
0
    case TLS_PAIR (R_MN10300_TLS_GD, R_MN10300_TLS_LE):
935
0
      {
936
  /* Register is *always* a0.  */
937
  /* mov _x@tpoff,a0.  */
938
0
  memcpy (op, "\xFC\xDC\x00\x00\x00\x00", 6);
939
  /* add e2,a0.  */
940
0
  memcpy (op+6, "\xF9\x78\x28", 3);
941
  /* or  0x00000000, d0 - six byte nop.  */
942
0
  memcpy (op+9, "\xFC\xE4\x00\x00\x00\x00", 6);
943
0
      }
944
0
      return 7;
945
0
    case TLS_PAIR (R_MN10300_TLS_LD, R_MN10300_NONE):
946
0
      {
947
  /* Register is *always* a0.  */
948
  /* mov e2,a0.  */
949
0
  memcpy (op, "\xF5\x88", 2);
950
  /* or  0x00000000, d0 - six byte nop.  */
951
0
  memcpy (op+2, "\xFC\xE4\x00\x00\x00\x00", 6);
952
  /* or  0x00000000, e2 - seven byte nop.  */
953
0
  memcpy (op+8, "\xFE\x19\x22\x00\x00\x00\x00", 7);
954
0
      }
955
0
      return 7;
956
957
0
    case TLS_PAIR (R_MN10300_TLS_LDO, R_MN10300_TLS_LE):
958
      /* No changes needed, just the reloc change.  */
959
0
      return 0;
960
961
    /*  These are a little tricky, because we have to detect which
962
  opcode is being used (they're different sizes, with the reloc
963
  at different offsets within the opcode) and convert each
964
  accordingly, copying the operands as needed.  The conversions
965
  we do are as follows (IE,GOTIE,LE):
966
967
       1111 1100  1010 01Dn  [-- abs32 --]  MOV (x@indntpoff),Dn
968
       1111 1100  0000 DnAm  [-- abs32 --]  MOV (x@gotntpoff,Am),Dn
969
       1111 1100  1100 11Dn  [-- abs32 --]  MOV x@tpoff,Dn
970
971
       1111 1100  1010 00An  [-- abs32 --]  MOV (x@indntpoff),An
972
       1111 1100  0010 AnAm  [-- abs32 --]  MOV (x@gotntpoff,Am),An
973
       1111 1100  1101 11An  [-- abs32 --]  MOV x@tpoff,An
974
975
  1111 1110  0000 1110  Rnnn Xxxx  [-- abs32 --]  MOV (x@indntpoff),Rn
976
  1111 1110  0000 1010  Rnnn Rmmm  [-- abs32 --]  MOV (x@indntpoff,Rm),Rn
977
  1111 1110  0000 1000  Rnnn Xxxx  [-- abs32 --]  MOV x@tpoff,Rn
978
979
  Since the GOT pointer is always $a2, we assume the last
980
  normally won't happen, but let's be paranoid and plan for the
981
  day that GCC optimizes it somewhow.  */
982
983
0
    case TLS_PAIR (R_MN10300_TLS_IE, R_MN10300_TLS_LE):
984
0
      if (op[-2] == 0xFC)
985
0
  {
986
0
    op -= 2;
987
0
    if ((op[1] & 0xFC) == 0xA4) /* Dn */
988
0
      {
989
0
        op[1] &= 0x03; /* Leaves Dn.  */
990
0
        op[1] |= 0xCC;
991
0
      }
992
0
    else /* An */
993
0
      {
994
0
        op[1] &= 0x03; /* Leaves An. */
995
0
        op[1] |= 0xDC;
996
0
      }
997
0
  }
998
0
      else if (op[-3] == 0xFE)
999
0
  op[-2] = 0x08;
1000
0
      else
1001
0
  abort ();
1002
0
      break;
1003
1004
0
    case TLS_PAIR (R_MN10300_TLS_GOTIE, R_MN10300_TLS_LE):
1005
0
      if (op[-2] == 0xFC)
1006
0
  {
1007
0
    op -= 2;
1008
0
    if ((op[1] & 0xF0) == 0x00) /* Dn */
1009
0
      {
1010
0
        op[1] &= 0x0C; /* Leaves Dn.  */
1011
0
        op[1] >>= 2;
1012
0
        op[1] |= 0xCC;
1013
0
      }
1014
0
    else /* An */
1015
0
      {
1016
0
        op[1] &= 0x0C; /* Leaves An.  */
1017
0
        op[1] >>= 2;
1018
0
        op[1] |= 0xDC;
1019
0
      }
1020
0
  }
1021
0
      else if (op[-3] == 0xFE)
1022
0
  op[-2] = 0x08;
1023
0
      else
1024
0
  abort ();
1025
0
      break;
1026
1027
0
    default:
1028
0
      _bfd_error_handler
1029
  /* xgettext:c-format */
1030
0
  (_("%pB: unsupported transition from %s to %s"),
1031
0
   input_bfd,
1032
0
   elf_mn10300_howto_table[r_type].name,
1033
0
   elf_mn10300_howto_table[tls_r_type].name);
1034
0
      break;
1035
0
    }
1036
0
#undef TLS_PAIR
1037
0
  return 0;
1038
0
}
Unexecuted instantiation: elf-m10300.c:mn10300_do_tls_transition
Unexecuted instantiation: elf32-am33lin.c:mn10300_do_tls_transition
1039
1040
/* Look through the relocs for a section during the first phase.
1041
   Since we don't do .gots or .plts, we just need to consider the
1042
   virtual table relocs for gc.  */
1043
1044
static bool
1045
mn10300_elf_check_relocs (bfd *abfd,
1046
        struct bfd_link_info *info,
1047
        asection *sec,
1048
        const Elf_Internal_Rela *relocs)
1049
0
{
1050
0
  struct elf32_mn10300_link_hash_table * htab = elf32_mn10300_hash_table (info);
1051
0
  bool sym_diff_reloc_seen;
1052
0
  Elf_Internal_Shdr *symtab_hdr;
1053
0
  Elf_Internal_Sym * isymbuf = NULL;
1054
0
  struct elf_link_hash_entry **sym_hashes;
1055
0
  const Elf_Internal_Rela *rel;
1056
0
  const Elf_Internal_Rela *rel_end;
1057
0
  bfd *      dynobj;
1058
0
  bfd_vma *  local_got_offsets;
1059
0
  asection * sgot;
1060
0
  asection * srelgot;
1061
0
  asection * sreloc;
1062
0
  bool result = false;
1063
1064
0
  sgot    = NULL;
1065
0
  srelgot = NULL;
1066
0
  sreloc  = NULL;
1067
1068
0
  if (bfd_link_relocatable (info))
1069
0
    return true;
1070
1071
0
  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1072
0
  isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
1073
0
  sym_hashes = elf_sym_hashes (abfd);
1074
1075
0
  dynobj = elf_hash_table (info)->dynobj;
1076
0
  local_got_offsets = elf_local_got_offsets (abfd);
1077
0
  rel_end = relocs + sec->reloc_count;
1078
0
  sym_diff_reloc_seen = false;
1079
1080
0
  for (rel = relocs; rel < rel_end; rel++)
1081
0
    {
1082
0
      struct elf_link_hash_entry *h;
1083
0
      unsigned long r_symndx;
1084
0
      unsigned int r_type;
1085
0
      int tls_type = GOT_NORMAL;
1086
1087
0
      r_symndx = ELF32_R_SYM (rel->r_info);
1088
0
      if (r_symndx < symtab_hdr->sh_info)
1089
0
  h = NULL;
1090
0
      else
1091
0
  {
1092
0
    h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1093
0
    while (h->root.type == bfd_link_hash_indirect
1094
0
     || h->root.type == bfd_link_hash_warning)
1095
0
      h = (struct elf_link_hash_entry *) h->root.u.i.link;
1096
0
  }
1097
1098
0
      r_type = ELF32_R_TYPE (rel->r_info);
1099
0
      r_type = elf_mn10300_tls_transition (info, r_type, h, sec, true);
1100
1101
      /* Some relocs require a global offset table.  */
1102
0
      if (dynobj == NULL)
1103
0
  {
1104
0
    switch (r_type)
1105
0
      {
1106
0
      case R_MN10300_GOT32:
1107
0
      case R_MN10300_GOT24:
1108
0
      case R_MN10300_GOT16:
1109
0
      case R_MN10300_GOTOFF32:
1110
0
      case R_MN10300_GOTOFF24:
1111
0
      case R_MN10300_GOTOFF16:
1112
0
      case R_MN10300_GOTPC32:
1113
0
      case R_MN10300_GOTPC16:
1114
0
      case R_MN10300_TLS_GD:
1115
0
      case R_MN10300_TLS_LD:
1116
0
      case R_MN10300_TLS_GOTIE:
1117
0
      case R_MN10300_TLS_IE:
1118
0
        elf_hash_table (info)->dynobj = dynobj = abfd;
1119
0
        if (! _bfd_mn10300_elf_create_got_section (dynobj, info))
1120
0
    goto fail;
1121
0
        break;
1122
1123
0
      default:
1124
0
        break;
1125
0
      }
1126
0
  }
1127
1128
0
      switch (r_type)
1129
0
  {
1130
  /* This relocation describes the C++ object vtable hierarchy.
1131
     Reconstruct it for later use during GC.  */
1132
0
  case R_MN10300_GNU_VTINHERIT:
1133
0
    if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1134
0
      goto fail;
1135
0
    break;
1136
1137
  /* This relocation describes which C++ vtable entries are actually
1138
     used.  Record for later use during GC.  */
1139
0
  case R_MN10300_GNU_VTENTRY:
1140
0
    if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1141
0
      goto fail;
1142
0
    break;
1143
1144
0
  case R_MN10300_TLS_LD:
1145
0
    htab->tls_ldm_got.refcount ++;
1146
0
    tls_type = GOT_TLS_LD;
1147
1148
0
    if (htab->tls_ldm_got.got_allocated)
1149
0
      break;
1150
0
    goto create_got;
1151
1152
0
  case R_MN10300_TLS_IE:
1153
0
  case R_MN10300_TLS_GOTIE:
1154
0
    if (bfd_link_pic (info))
1155
0
      info->flags |= DF_STATIC_TLS;
1156
    /* Fall through */
1157
1158
0
  case R_MN10300_TLS_GD:
1159
0
  case R_MN10300_GOT32:
1160
0
  case R_MN10300_GOT24:
1161
0
  case R_MN10300_GOT16:
1162
0
  create_got:
1163
    /* This symbol requires a global offset table entry.  */
1164
1165
0
    switch (r_type)
1166
0
      {
1167
0
      case R_MN10300_TLS_IE:
1168
0
      case R_MN10300_TLS_GOTIE: tls_type = GOT_TLS_IE; break;
1169
0
      case R_MN10300_TLS_GD:    tls_type = GOT_TLS_GD; break;
1170
0
      default:          tls_type = GOT_NORMAL; break;
1171
0
      }
1172
1173
0
    sgot = htab->root.sgot;
1174
0
    srelgot = htab->root.srelgot;
1175
0
    BFD_ASSERT (sgot != NULL && srelgot != NULL);
1176
1177
0
    if (r_type == R_MN10300_TLS_LD)
1178
0
      {
1179
0
        htab->tls_ldm_got.offset = sgot->size;
1180
0
        htab->tls_ldm_got.got_allocated ++;
1181
0
      }
1182
0
    else if (h != NULL)
1183
0
      {
1184
0
        if (elf_mn10300_hash_entry (h)->tls_type != tls_type
1185
0
      && elf_mn10300_hash_entry (h)->tls_type != GOT_UNKNOWN)
1186
0
    {
1187
0
      if (tls_type == GOT_TLS_IE
1188
0
          && elf_mn10300_hash_entry (h)->tls_type == GOT_TLS_GD)
1189
0
        /* No change - this is ok.  */;
1190
0
      else if (tls_type == GOT_TLS_GD
1191
0
          && elf_mn10300_hash_entry (h)->tls_type == GOT_TLS_IE)
1192
        /* Transition GD->IE.  */
1193
0
        tls_type = GOT_TLS_IE;
1194
0
      else
1195
0
        _bfd_error_handler
1196
          /* xgettext:c-format */
1197
0
          (_("%pB: %s' accessed both as normal and thread local symbol"),
1198
0
           abfd, h ? h->root.root.string : "<local>");
1199
0
    }
1200
1201
0
        elf_mn10300_hash_entry (h)->tls_type = tls_type;
1202
1203
0
        if (h->got.offset != (bfd_vma) -1)
1204
    /* We have already allocated space in the .got.  */
1205
0
    break;
1206
1207
0
        h->got.offset = sgot->size;
1208
1209
0
        if (ELF_ST_VISIBILITY (h->other) != STV_INTERNAL
1210
      /* Make sure this symbol is output as a dynamic symbol.  */
1211
0
      && h->dynindx == -1)
1212
0
    {
1213
0
      if (! bfd_elf_link_record_dynamic_symbol (info, h))
1214
0
        goto fail;
1215
0
    }
1216
1217
0
        srelgot->size += sizeof (Elf32_External_Rela);
1218
0
        if (r_type == R_MN10300_TLS_GD)
1219
0
    srelgot->size += sizeof (Elf32_External_Rela);
1220
0
      }
1221
0
    else
1222
0
      {
1223
        /* This is a global offset table entry for a local
1224
     symbol.  */
1225
0
        if (local_got_offsets == NULL)
1226
0
    {
1227
0
      size_t       size;
1228
0
      unsigned int i;
1229
1230
0
      size = symtab_hdr->sh_info * (sizeof (bfd_vma) + sizeof (char));
1231
0
      local_got_offsets = bfd_alloc (abfd, size);
1232
1233
0
      if (local_got_offsets == NULL)
1234
0
        goto fail;
1235
1236
0
      elf_local_got_offsets (abfd) = local_got_offsets;
1237
0
      elf_mn10300_local_got_tls_type (abfd)
1238
0
          = (char *) (local_got_offsets + symtab_hdr->sh_info);
1239
1240
0
      for (i = 0; i < symtab_hdr->sh_info; i++)
1241
0
        local_got_offsets[i] = (bfd_vma) -1;
1242
0
    }
1243
1244
0
        if (local_got_offsets[r_symndx] != (bfd_vma) -1)
1245
    /* We have already allocated space in the .got.  */
1246
0
    break;
1247
1248
0
        local_got_offsets[r_symndx] = sgot->size;
1249
1250
0
        if (bfd_link_pic (info))
1251
0
    {
1252
      /* If we are generating a shared object, we need to
1253
         output a R_MN10300_RELATIVE reloc so that the dynamic
1254
         linker can adjust this GOT entry.  */
1255
0
      srelgot->size += sizeof (Elf32_External_Rela);
1256
1257
0
      if (r_type == R_MN10300_TLS_GD)
1258
        /* And a R_MN10300_TLS_DTPOFF reloc as well.  */
1259
0
        srelgot->size += sizeof (Elf32_External_Rela);
1260
0
    }
1261
1262
0
        elf_mn10300_local_got_tls_type (abfd) [r_symndx] = tls_type;
1263
0
      }
1264
1265
0
    sgot->size += 4;
1266
0
    if (r_type == R_MN10300_TLS_GD
1267
0
        || r_type == R_MN10300_TLS_LD)
1268
0
      sgot->size += 4;
1269
1270
0
    goto need_shared_relocs;
1271
1272
0
  case R_MN10300_PLT32:
1273
0
  case R_MN10300_PLT16:
1274
    /* This symbol requires a procedure linkage table entry.  We
1275
       actually build the entry in adjust_dynamic_symbol,
1276
       because this might be a case of linking PIC code which is
1277
       never referenced by a dynamic object, in which case we
1278
       don't need to generate a procedure linkage table entry
1279
       after all.  */
1280
1281
    /* If this is a local symbol, we resolve it directly without
1282
       creating a procedure linkage table entry.  */
1283
0
    if (h == NULL)
1284
0
      continue;
1285
1286
0
    if (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
1287
0
        || ELF_ST_VISIBILITY (h->other) == STV_HIDDEN)
1288
0
      break;
1289
1290
0
    h->needs_plt = 1;
1291
0
    break;
1292
1293
0
  case R_MN10300_24:
1294
0
  case R_MN10300_16:
1295
0
  case R_MN10300_8:
1296
0
  case R_MN10300_PCREL32:
1297
0
  case R_MN10300_PCREL16:
1298
0
  case R_MN10300_PCREL8:
1299
0
    if (h != NULL)
1300
0
      h->non_got_ref = 1;
1301
0
    break;
1302
1303
0
  case R_MN10300_SYM_DIFF:
1304
0
    sym_diff_reloc_seen = true;
1305
0
    break;
1306
1307
0
  case R_MN10300_32:
1308
0
    if (h != NULL)
1309
0
      h->non_got_ref = 1;
1310
1311
0
  need_shared_relocs:
1312
    /* If we are creating a shared library, then we
1313
       need to copy the reloc into the shared library.  */
1314
0
    if (bfd_link_pic (info)
1315
0
        && (sec->flags & SEC_ALLOC) != 0
1316
        /* Do not generate a dynamic reloc for a
1317
     reloc associated with a SYM_DIFF operation.  */
1318
0
        && ! sym_diff_reloc_seen)
1319
0
      {
1320
0
        asection * sym_section = NULL;
1321
1322
        /* Find the section containing the
1323
     symbol involved in the relocation.  */
1324
0
        if (h == NULL)
1325
0
    {
1326
0
      Elf_Internal_Sym * isym;
1327
1328
0
      if (isymbuf == NULL)
1329
0
        isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
1330
0
                symtab_hdr->sh_info, 0,
1331
0
                NULL, NULL, NULL);
1332
0
      if (isymbuf)
1333
0
        {
1334
0
          isym = isymbuf + r_symndx;
1335
          /* All we care about is whether this local symbol is absolute.  */
1336
0
          if (isym->st_shndx == SHN_ABS)
1337
0
      sym_section = bfd_abs_section_ptr;
1338
0
        }
1339
0
    }
1340
0
        else
1341
0
    {
1342
0
      if (h->root.type == bfd_link_hash_defined
1343
0
          || h->root.type == bfd_link_hash_defweak)
1344
0
        sym_section = h->root.u.def.section;
1345
0
    }
1346
1347
        /* If the symbol is absolute then the relocation can
1348
     be resolved during linking and there is no need for
1349
     a dynamic reloc.  */
1350
0
        if (sym_section != bfd_abs_section_ptr)
1351
0
    {
1352
      /* When creating a shared object, we must copy these
1353
         reloc types into the output file.  We create a reloc
1354
         section in dynobj and make room for this reloc.  */
1355
0
      if (sreloc == NULL)
1356
0
        {
1357
0
          sreloc = _bfd_elf_make_dynamic_reloc_section
1358
0
      (sec, dynobj, 2, abfd, /*rela?*/ true);
1359
0
          if (sreloc == NULL)
1360
0
      goto fail;
1361
0
        }
1362
1363
0
      sreloc->size += sizeof (Elf32_External_Rela);
1364
0
    }
1365
0
      }
1366
1367
0
    break;
1368
0
  }
1369
1370
0
      if (ELF32_R_TYPE (rel->r_info) != R_MN10300_SYM_DIFF)
1371
0
  sym_diff_reloc_seen = false;
1372
0
    }
1373
1374
0
  result = true;
1375
0
 fail:
1376
0
  if (symtab_hdr->contents != (unsigned char *) isymbuf)
1377
0
    free (isymbuf);
1378
1379
0
  return result;
1380
0
}
Unexecuted instantiation: elf-m10300.c:mn10300_elf_check_relocs
Unexecuted instantiation: elf32-am33lin.c:mn10300_elf_check_relocs
1381
1382
/* Return the section that should be marked against GC for a given
1383
   relocation.  */
1384
1385
static asection *
1386
mn10300_elf_gc_mark_hook (asection *sec,
1387
        struct bfd_link_info *info,
1388
        Elf_Internal_Rela *rel,
1389
        struct elf_link_hash_entry *h,
1390
        Elf_Internal_Sym *sym)
1391
0
{
1392
0
  if (h != NULL)
1393
0
    switch (ELF32_R_TYPE (rel->r_info))
1394
0
      {
1395
0
      case R_MN10300_GNU_VTINHERIT:
1396
0
      case R_MN10300_GNU_VTENTRY:
1397
0
  return NULL;
1398
0
      }
1399
1400
0
  return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1401
0
}
Unexecuted instantiation: elf-m10300.c:mn10300_elf_gc_mark_hook
Unexecuted instantiation: elf32-am33lin.c:mn10300_elf_gc_mark_hook
1402
1403
/* Perform a relocation as part of a final link.  */
1404
1405
static bfd_reloc_status_type
1406
mn10300_elf_final_link_relocate (reloc_howto_type *howto,
1407
         bfd *input_bfd,
1408
         bfd *output_bfd ATTRIBUTE_UNUSED,
1409
         asection *input_section,
1410
         bfd_byte *contents,
1411
         bfd_vma offset,
1412
         bfd_vma value,
1413
         bfd_vma addend,
1414
         struct elf_link_hash_entry * h,
1415
         unsigned long symndx,
1416
         struct bfd_link_info *info,
1417
         asection *sym_sec ATTRIBUTE_UNUSED,
1418
         int is_local ATTRIBUTE_UNUSED)
1419
0
{
1420
0
  struct elf32_mn10300_link_hash_table * htab = elf32_mn10300_hash_table (info);
1421
0
  static asection *  sym_diff_section;
1422
0
  static bfd_vma     sym_diff_value;
1423
0
  bool is_sym_diff_reloc;
1424
0
  unsigned long r_type = howto->type;
1425
0
  bfd_byte * hit_data = contents + offset;
1426
0
  bfd *      dynobj;
1427
0
  asection * sgot;
1428
0
  asection * splt;
1429
0
  asection * sreloc;
1430
1431
0
  dynobj = elf_hash_table (info)->dynobj;
1432
0
  sgot   = NULL;
1433
0
  splt   = NULL;
1434
0
  sreloc = NULL;
1435
1436
0
  switch (r_type)
1437
0
    {
1438
0
    case R_MN10300_24:
1439
0
    case R_MN10300_16:
1440
0
    case R_MN10300_8:
1441
0
    case R_MN10300_PCREL8:
1442
0
    case R_MN10300_PCREL16:
1443
0
    case R_MN10300_PCREL32:
1444
0
    case R_MN10300_GOTOFF32:
1445
0
    case R_MN10300_GOTOFF24:
1446
0
    case R_MN10300_GOTOFF16:
1447
0
      if (bfd_link_pic (info)
1448
0
    && (input_section->flags & SEC_ALLOC) != 0
1449
0
    && h != NULL
1450
0
    && ! SYMBOL_REFERENCES_LOCAL (info, h))
1451
0
  return bfd_reloc_dangerous;
1452
      /* Fall through.  */
1453
0
    case R_MN10300_GOT32:
1454
      /* Issue 2052223:
1455
   Taking the address of a protected function in a shared library
1456
   is illegal.  Issue an error message here.  */
1457
0
      if (bfd_link_pic (info)
1458
0
    && (input_section->flags & SEC_ALLOC) != 0
1459
0
    && h != NULL
1460
0
    && ELF_ST_VISIBILITY (h->other) == STV_PROTECTED
1461
0
    && (h->type == STT_FUNC || h->type == STT_GNU_IFUNC)
1462
0
    && ! SYMBOL_REFERENCES_LOCAL (info, h))
1463
0
  return bfd_reloc_dangerous;
1464
0
    }
1465
1466
0
  is_sym_diff_reloc = false;
1467
0
  if (sym_diff_section != NULL)
1468
0
    {
1469
0
      BFD_ASSERT (sym_diff_section == input_section);
1470
1471
0
      switch (r_type)
1472
0
  {
1473
0
  case R_MN10300_32:
1474
0
  case R_MN10300_24:
1475
0
  case R_MN10300_16:
1476
0
  case R_MN10300_8:
1477
0
    value -= sym_diff_value;
1478
    /* If we are computing a 32-bit value for the location lists
1479
       and the result is 0 then we add one to the value.  A zero
1480
       value can result because of linker relaxation deleteing
1481
       prologue instructions and using a value of 1 (for the begin
1482
       and end offsets in the location list entry) results in a
1483
       nul entry which does not prevent the following entries from
1484
       being parsed.  */
1485
0
    if (r_type == R_MN10300_32
1486
0
        && value == 0
1487
0
        && strcmp (input_section->name, ".debug_loc") == 0)
1488
0
      value = 1;
1489
0
    sym_diff_section = NULL;
1490
0
    is_sym_diff_reloc = true;
1491
0
    break;
1492
1493
0
  default:
1494
0
    sym_diff_section = NULL;
1495
0
    break;
1496
0
  }
1497
0
    }
1498
1499
0
  switch (r_type)
1500
0
    {
1501
0
    case R_MN10300_SYM_DIFF:
1502
0
      BFD_ASSERT (addend == 0);
1503
      /* Cache the input section and value.
1504
   The offset is unreliable, since relaxation may
1505
   have reduced the following reloc's offset.  */
1506
0
      sym_diff_section = input_section;
1507
0
      sym_diff_value = value;
1508
0
      return bfd_reloc_ok;
1509
1510
0
    case R_MN10300_ALIGN:
1511
0
    case R_MN10300_NONE:
1512
0
      return bfd_reloc_ok;
1513
1514
0
    case R_MN10300_32:
1515
0
      if (bfd_link_pic (info)
1516
    /* Do not generate relocs when an R_MN10300_32 has been used
1517
       with an R_MN10300_SYM_DIFF to compute a difference of two
1518
       symbols.  */
1519
0
    && !is_sym_diff_reloc
1520
    /* Also, do not generate a reloc when the symbol associated
1521
       with the R_MN10300_32 reloc is absolute - there is no
1522
       need for a run time computation in this case.  */
1523
0
    && sym_sec != bfd_abs_section_ptr
1524
    /* If the section is not going to be allocated at load time
1525
       then there is no need to generate relocs for it.  */
1526
0
    && (input_section->flags & SEC_ALLOC) != 0)
1527
0
  {
1528
0
    Elf_Internal_Rela outrel;
1529
0
    bool skip, relocate;
1530
1531
    /* When generating a shared object, these relocations are
1532
       copied into the output file to be resolved at run
1533
       time.  */
1534
0
    if (sreloc == NULL)
1535
0
      {
1536
0
        sreloc = _bfd_elf_get_dynamic_reloc_section
1537
0
    (input_bfd, input_section, /*rela?*/ true);
1538
0
        if (sreloc == NULL)
1539
0
    return false;
1540
0
      }
1541
1542
0
    skip = false;
1543
1544
0
    outrel.r_offset = _bfd_elf_section_offset (input_bfd, info,
1545
0
                 input_section, offset);
1546
0
    if (outrel.r_offset == (bfd_vma) -1)
1547
0
      skip = true;
1548
1549
0
    outrel.r_offset += (input_section->output_section->vma
1550
0
            + input_section->output_offset);
1551
1552
0
    if (skip)
1553
0
      {
1554
0
        memset (&outrel, 0, sizeof outrel);
1555
0
        relocate = false;
1556
0
      }
1557
0
    else
1558
0
      {
1559
        /* h->dynindx may be -1 if this symbol was marked to
1560
     become local.  */
1561
0
        if (h == NULL
1562
0
      || SYMBOL_REFERENCES_LOCAL (info, h))
1563
0
    {
1564
0
      relocate = true;
1565
0
      outrel.r_info = ELF32_R_INFO (0, R_MN10300_RELATIVE);
1566
0
      outrel.r_addend = value + addend;
1567
0
    }
1568
0
        else
1569
0
    {
1570
0
      BFD_ASSERT (h->dynindx != -1);
1571
0
      relocate = false;
1572
0
      outrel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_32);
1573
0
      outrel.r_addend = value + addend;
1574
0
    }
1575
0
      }
1576
1577
0
    bfd_elf32_swap_reloca_out (output_bfd, &outrel,
1578
0
             (bfd_byte *) (((Elf32_External_Rela *) sreloc->contents)
1579
0
               + sreloc->reloc_count));
1580
0
    ++sreloc->reloc_count;
1581
1582
    /* If this reloc is against an external symbol, we do
1583
       not want to fiddle with the addend.  Otherwise, we
1584
       need to include the symbol value so that it becomes
1585
       an addend for the dynamic reloc.  */
1586
0
    if (! relocate)
1587
0
      return bfd_reloc_ok;
1588
0
  }
1589
0
      value += addend;
1590
0
      bfd_put_32 (input_bfd, value, hit_data);
1591
0
      return bfd_reloc_ok;
1592
1593
0
    case R_MN10300_24:
1594
0
      value += addend;
1595
1596
0
      if ((long) value > 0x7fffff || (long) value < -0x800000)
1597
0
  return bfd_reloc_overflow;
1598
1599
0
      bfd_put_8 (input_bfd, value & 0xff, hit_data);
1600
0
      bfd_put_8 (input_bfd, (value >> 8) & 0xff, hit_data + 1);
1601
0
      bfd_put_8 (input_bfd, (value >> 16) & 0xff, hit_data + 2);
1602
0
      return bfd_reloc_ok;
1603
1604
0
    case R_MN10300_16:
1605
0
      value += addend;
1606
1607
0
      if ((long) value > 0x7fff || (long) value < -0x8000)
1608
0
  return bfd_reloc_overflow;
1609
1610
0
      bfd_put_16 (input_bfd, value, hit_data);
1611
0
      return bfd_reloc_ok;
1612
1613
0
    case R_MN10300_8:
1614
0
      value += addend;
1615
1616
0
      if ((long) value > 0x7f || (long) value < -0x80)
1617
0
  return bfd_reloc_overflow;
1618
1619
0
      bfd_put_8 (input_bfd, value, hit_data);
1620
0
      return bfd_reloc_ok;
1621
1622
0
    case R_MN10300_PCREL8:
1623
0
      value -= (input_section->output_section->vma
1624
0
    + input_section->output_offset);
1625
0
      value -= offset;
1626
0
      value += addend;
1627
1628
0
      if ((long) value > 0x7f || (long) value < -0x80)
1629
0
  return bfd_reloc_overflow;
1630
1631
0
      bfd_put_8 (input_bfd, value, hit_data);
1632
0
      return bfd_reloc_ok;
1633
1634
0
    case R_MN10300_PCREL16:
1635
0
      value -= (input_section->output_section->vma
1636
0
    + input_section->output_offset);
1637
0
      value -= offset;
1638
0
      value += addend;
1639
1640
0
      if ((long) value > 0x7fff || (long) value < -0x8000)
1641
0
  return bfd_reloc_overflow;
1642
1643
0
      bfd_put_16 (input_bfd, value, hit_data);
1644
0
      return bfd_reloc_ok;
1645
1646
0
    case R_MN10300_PCREL32:
1647
0
      value -= (input_section->output_section->vma
1648
0
    + input_section->output_offset);
1649
0
      value -= offset;
1650
0
      value += addend;
1651
1652
0
      bfd_put_32 (input_bfd, value, hit_data);
1653
0
      return bfd_reloc_ok;
1654
1655
0
    case R_MN10300_GNU_VTINHERIT:
1656
0
    case R_MN10300_GNU_VTENTRY:
1657
0
      return bfd_reloc_ok;
1658
1659
0
    case R_MN10300_GOTPC32:
1660
0
      if (dynobj == NULL)
1661
0
  return bfd_reloc_dangerous;
1662
1663
      /* Use global offset table as symbol value.  */
1664
0
      value = htab->root.sgot->output_section->vma;
1665
0
      value -= (input_section->output_section->vma
1666
0
    + input_section->output_offset);
1667
0
      value -= offset;
1668
0
      value += addend;
1669
1670
0
      bfd_put_32 (input_bfd, value, hit_data);
1671
0
      return bfd_reloc_ok;
1672
1673
0
    case R_MN10300_GOTPC16:
1674
0
      if (dynobj == NULL)
1675
0
  return bfd_reloc_dangerous;
1676
1677
      /* Use global offset table as symbol value.  */
1678
0
      value = htab->root.sgot->output_section->vma;
1679
0
      value -= (input_section->output_section->vma
1680
0
    + input_section->output_offset);
1681
0
      value -= offset;
1682
0
      value += addend;
1683
1684
0
      if ((long) value > 0x7fff || (long) value < -0x8000)
1685
0
  return bfd_reloc_overflow;
1686
1687
0
      bfd_put_16 (input_bfd, value, hit_data);
1688
0
      return bfd_reloc_ok;
1689
1690
0
    case R_MN10300_GOTOFF32:
1691
0
      if (dynobj == NULL)
1692
0
  return bfd_reloc_dangerous;
1693
1694
0
      value -= htab->root.sgot->output_section->vma;
1695
0
      value += addend;
1696
1697
0
      bfd_put_32 (input_bfd, value, hit_data);
1698
0
      return bfd_reloc_ok;
1699
1700
0
    case R_MN10300_GOTOFF24:
1701
0
      if (dynobj == NULL)
1702
0
  return bfd_reloc_dangerous;
1703
1704
0
      value -= htab->root.sgot->output_section->vma;
1705
0
      value += addend;
1706
1707
0
      if ((long) value > 0x7fffff || (long) value < -0x800000)
1708
0
  return bfd_reloc_overflow;
1709
1710
0
      bfd_put_8 (input_bfd, value, hit_data);
1711
0
      bfd_put_8 (input_bfd, (value >> 8) & 0xff, hit_data + 1);
1712
0
      bfd_put_8 (input_bfd, (value >> 16) & 0xff, hit_data + 2);
1713
0
      return bfd_reloc_ok;
1714
1715
0
    case R_MN10300_GOTOFF16:
1716
0
      if (dynobj == NULL)
1717
0
  return bfd_reloc_dangerous;
1718
1719
0
      value -= htab->root.sgot->output_section->vma;
1720
0
      value += addend;
1721
1722
0
      if ((long) value > 0x7fff || (long) value < -0x8000)
1723
0
  return bfd_reloc_overflow;
1724
1725
0
      bfd_put_16 (input_bfd, value, hit_data);
1726
0
      return bfd_reloc_ok;
1727
1728
0
    case R_MN10300_PLT32:
1729
0
      if (h != NULL
1730
0
    && ELF_ST_VISIBILITY (h->other) != STV_INTERNAL
1731
0
    && ELF_ST_VISIBILITY (h->other) != STV_HIDDEN
1732
0
    && h->plt.offset != (bfd_vma) -1)
1733
0
  {
1734
0
    if (dynobj == NULL)
1735
0
      return bfd_reloc_dangerous;
1736
1737
0
    splt = htab->root.splt;
1738
0
    value = (splt->output_section->vma
1739
0
       + splt->output_offset
1740
0
       + h->plt.offset) - value;
1741
0
  }
1742
1743
0
      value -= (input_section->output_section->vma
1744
0
    + input_section->output_offset);
1745
0
      value -= offset;
1746
0
      value += addend;
1747
1748
0
      bfd_put_32 (input_bfd, value, hit_data);
1749
0
      return bfd_reloc_ok;
1750
1751
0
    case R_MN10300_PLT16:
1752
0
      if (h != NULL
1753
0
    && ELF_ST_VISIBILITY (h->other) != STV_INTERNAL
1754
0
    && ELF_ST_VISIBILITY (h->other) != STV_HIDDEN
1755
0
    && h->plt.offset != (bfd_vma) -1)
1756
0
  {
1757
0
    if (dynobj == NULL)
1758
0
      return bfd_reloc_dangerous;
1759
1760
0
    splt = htab->root.splt;
1761
0
    value = (splt->output_section->vma
1762
0
       + splt->output_offset
1763
0
       + h->plt.offset) - value;
1764
0
  }
1765
1766
0
      value -= (input_section->output_section->vma
1767
0
    + input_section->output_offset);
1768
0
      value -= offset;
1769
0
      value += addend;
1770
1771
0
      if ((long) value > 0x7fff || (long) value < -0x8000)
1772
0
  return bfd_reloc_overflow;
1773
1774
0
      bfd_put_16 (input_bfd, value, hit_data);
1775
0
      return bfd_reloc_ok;
1776
1777
0
    case R_MN10300_TLS_LDO:
1778
0
      value = dtpoff (info, value);
1779
0
      bfd_put_32 (input_bfd, value + addend, hit_data);
1780
0
      return bfd_reloc_ok;
1781
1782
0
    case R_MN10300_TLS_LE:
1783
0
      value = tpoff (info, value);
1784
0
      bfd_put_32 (input_bfd, value + addend, hit_data);
1785
0
      return bfd_reloc_ok;
1786
1787
0
    case R_MN10300_TLS_LD:
1788
0
      if (dynobj == NULL)
1789
0
  return bfd_reloc_dangerous;
1790
1791
0
      sgot = htab->root.sgot;
1792
0
      BFD_ASSERT (sgot != NULL);
1793
0
      value = htab->tls_ldm_got.offset + sgot->output_offset;
1794
0
      bfd_put_32 (input_bfd, value, hit_data);
1795
1796
0
      if (!htab->tls_ldm_got.rel_emitted)
1797
0
  {
1798
0
    asection *srelgot = htab->root.srelgot;
1799
0
    Elf_Internal_Rela rel;
1800
1801
0
    BFD_ASSERT (srelgot != NULL);
1802
0
    htab->tls_ldm_got.rel_emitted ++;
1803
0
    rel.r_offset = (sgot->output_section->vma
1804
0
        + sgot->output_offset
1805
0
        + htab->tls_ldm_got.offset);
1806
0
    bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + htab->tls_ldm_got.offset);
1807
0
    bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + htab->tls_ldm_got.offset+4);
1808
0
    rel.r_info = ELF32_R_INFO (0, R_MN10300_TLS_DTPMOD);
1809
0
    rel.r_addend = 0;
1810
0
    bfd_elf32_swap_reloca_out (output_bfd, & rel,
1811
0
             (bfd_byte *) ((Elf32_External_Rela *) srelgot->contents
1812
0
               + srelgot->reloc_count));
1813
0
    ++ srelgot->reloc_count;
1814
0
  }
1815
1816
0
      return bfd_reloc_ok;
1817
1818
0
    case R_MN10300_TLS_GOTIE:
1819
0
      value = tpoff (info, value);
1820
      /* Fall Through.  */
1821
1822
0
    case R_MN10300_TLS_GD:
1823
0
    case R_MN10300_TLS_IE:
1824
0
    case R_MN10300_GOT32:
1825
0
    case R_MN10300_GOT24:
1826
0
    case R_MN10300_GOT16:
1827
0
      if (dynobj == NULL)
1828
0
  return bfd_reloc_dangerous;
1829
1830
0
      sgot = htab->root.sgot;
1831
0
      if (r_type == R_MN10300_TLS_GD)
1832
0
  value = dtpoff (info, value);
1833
1834
0
      if (h != NULL)
1835
0
  {
1836
0
    bfd_vma off;
1837
1838
0
    off = h->got.offset;
1839
    /* Offsets in the GOT are allocated in check_relocs
1840
       which is not called for shared libraries... */
1841
0
    if (off == (bfd_vma) -1)
1842
0
      off = 0;
1843
1844
0
    if (sgot->contents != NULL
1845
0
        && (! elf_hash_table (info)->dynamic_sections_created
1846
0
      || SYMBOL_REFERENCES_LOCAL (info, h)))
1847
      /* This is actually a static link, or it is a
1848
         -Bsymbolic link and the symbol is defined
1849
         locally, or the symbol was forced to be local
1850
         because of a version file.  We must initialize
1851
         this entry in the global offset table.
1852
1853
         When doing a dynamic link, we create a .rela.got
1854
         relocation entry to initialize the value.  This
1855
         is done in the finish_dynamic_symbol routine.  */
1856
0
      bfd_put_32 (output_bfd, value,
1857
0
      sgot->contents + off);
1858
1859
0
    value = sgot->output_offset + off;
1860
0
  }
1861
0
      else
1862
0
  {
1863
0
    bfd_vma off;
1864
1865
0
    off = elf_local_got_offsets (input_bfd)[symndx];
1866
1867
0
    if (off & 1)
1868
0
      bfd_put_32 (output_bfd, value, sgot->contents + (off & ~ 1));
1869
0
    else
1870
0
      {
1871
0
        bfd_put_32 (output_bfd, value, sgot->contents + off);
1872
1873
0
        if (bfd_link_pic (info))
1874
0
    {
1875
0
      asection *srelgot = htab->root.srelgot;;
1876
0
      Elf_Internal_Rela outrel;
1877
1878
0
      BFD_ASSERT (srelgot != NULL);
1879
1880
0
      outrel.r_offset = (sgot->output_section->vma
1881
0
             + sgot->output_offset
1882
0
             + off);
1883
0
      switch (r_type)
1884
0
        {
1885
0
        case R_MN10300_TLS_GD:
1886
0
          outrel.r_info = ELF32_R_INFO (0, R_MN10300_TLS_DTPOFF);
1887
0
          outrel.r_offset = (sgot->output_section->vma
1888
0
           + sgot->output_offset
1889
0
           + off + 4);
1890
0
          bfd_elf32_swap_reloca_out (output_bfd, & outrel,
1891
0
             (bfd_byte *) (((Elf32_External_Rela *)
1892
0
                srelgot->contents)
1893
0
                     + srelgot->reloc_count));
1894
0
          ++ srelgot->reloc_count;
1895
0
          outrel.r_info = ELF32_R_INFO (0, R_MN10300_TLS_DTPMOD);
1896
0
          break;
1897
0
        case R_MN10300_TLS_GOTIE:
1898
0
        case R_MN10300_TLS_IE:
1899
0
          outrel.r_info = ELF32_R_INFO (0, R_MN10300_TLS_TPOFF);
1900
0
          break;
1901
0
        default:
1902
0
          outrel.r_info = ELF32_R_INFO (0, R_MN10300_RELATIVE);
1903
0
          break;
1904
0
        }
1905
1906
0
      outrel.r_addend = value;
1907
0
      bfd_elf32_swap_reloca_out (output_bfd, &outrel,
1908
0
               (bfd_byte *) (((Elf32_External_Rela *)
1909
0
                  srelgot->contents)
1910
0
                 + srelgot->reloc_count));
1911
0
      ++ srelgot->reloc_count;
1912
0
      elf_local_got_offsets (input_bfd)[symndx] |= 1;
1913
0
    }
1914
1915
0
        value = sgot->output_offset + (off & ~(bfd_vma) 1);
1916
0
      }
1917
0
  }
1918
1919
0
      value += addend;
1920
1921
0
      if (r_type == R_MN10300_TLS_IE)
1922
0
  {
1923
0
    value += sgot->output_section->vma;
1924
0
    bfd_put_32 (input_bfd, value, hit_data);
1925
0
    return bfd_reloc_ok;
1926
0
  }
1927
0
      else if (r_type == R_MN10300_TLS_GOTIE
1928
0
         || r_type == R_MN10300_TLS_GD
1929
0
         || r_type == R_MN10300_TLS_LD)
1930
0
  {
1931
0
    bfd_put_32 (input_bfd, value, hit_data);
1932
0
    return bfd_reloc_ok;
1933
0
  }
1934
0
      else if (r_type == R_MN10300_GOT32)
1935
0
  {
1936
0
    bfd_put_32 (input_bfd, value, hit_data);
1937
0
    return bfd_reloc_ok;
1938
0
  }
1939
0
      else if (r_type == R_MN10300_GOT24)
1940
0
  {
1941
0
    if ((long) value > 0x7fffff || (long) value < -0x800000)
1942
0
      return bfd_reloc_overflow;
1943
1944
0
    bfd_put_8 (input_bfd, value & 0xff, hit_data);
1945
0
    bfd_put_8 (input_bfd, (value >> 8) & 0xff, hit_data + 1);
1946
0
    bfd_put_8 (input_bfd, (value >> 16) & 0xff, hit_data + 2);
1947
0
    return bfd_reloc_ok;
1948
0
  }
1949
0
      else if (r_type == R_MN10300_GOT16)
1950
0
  {
1951
0
    if ((long) value > 0x7fff || (long) value < -0x8000)
1952
0
      return bfd_reloc_overflow;
1953
1954
0
    bfd_put_16 (input_bfd, value, hit_data);
1955
0
    return bfd_reloc_ok;
1956
0
  }
1957
      /* Fall through.  */
1958
1959
0
    default:
1960
0
      return bfd_reloc_notsupported;
1961
0
    }
1962
0
}
Unexecuted instantiation: elf-m10300.c:mn10300_elf_final_link_relocate
Unexecuted instantiation: elf32-am33lin.c:mn10300_elf_final_link_relocate
1963

1964
/* Relocate an MN10300 ELF section.  */
1965
1966
static int
1967
mn10300_elf_relocate_section (bfd *output_bfd,
1968
            struct bfd_link_info *info,
1969
            bfd *input_bfd,
1970
            asection *input_section,
1971
            bfd_byte *contents,
1972
            Elf_Internal_Rela *relocs,
1973
            Elf_Internal_Sym *local_syms,
1974
            asection **local_sections)
1975
0
{
1976
0
  Elf_Internal_Shdr *symtab_hdr;
1977
0
  struct elf_link_hash_entry **sym_hashes;
1978
0
  Elf_Internal_Rela *rel, *relend;
1979
0
  Elf_Internal_Rela * trel;
1980
1981
0
  symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
1982
0
  sym_hashes = elf_sym_hashes (input_bfd);
1983
1984
0
  rel = relocs;
1985
0
  relend = relocs + input_section->reloc_count;
1986
0
  for (; rel < relend; rel++)
1987
0
    {
1988
0
      int r_type;
1989
0
      reloc_howto_type *howto;
1990
0
      unsigned long r_symndx;
1991
0
      Elf_Internal_Sym *sym;
1992
0
      asection *sec;
1993
0
      struct elf32_mn10300_link_hash_entry *h;
1994
0
      bfd_vma relocation;
1995
0
      bfd_reloc_status_type r;
1996
0
      int tls_r_type;
1997
0
      bool unresolved_reloc = false;
1998
0
      bool warned, ignored;
1999
0
      struct elf_link_hash_entry * hh;
2000
2001
0
      relocation = 0;
2002
0
      r_symndx = ELF32_R_SYM (rel->r_info);
2003
0
      r_type = ELF32_R_TYPE (rel->r_info);
2004
0
      howto = elf_mn10300_howto_table + r_type;
2005
2006
      /* Just skip the vtable gc relocs.  */
2007
0
      if (r_type == R_MN10300_GNU_VTINHERIT
2008
0
    || r_type == R_MN10300_GNU_VTENTRY)
2009
0
  continue;
2010
2011
0
      h = NULL;
2012
0
      sym = NULL;
2013
0
      sec = NULL;
2014
0
      if (r_symndx < symtab_hdr->sh_info)
2015
0
  hh = NULL;
2016
0
      else
2017
0
  {
2018
0
    RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2019
0
           r_symndx, symtab_hdr, sym_hashes,
2020
0
           hh, sec, relocation,
2021
0
           unresolved_reloc, warned, ignored);
2022
0
  }
2023
0
      h = elf_mn10300_hash_entry (hh);
2024
2025
0
      tls_r_type = elf_mn10300_tls_transition (info, r_type, hh, input_section, 0);
2026
0
      if (tls_r_type != r_type)
2027
0
  {
2028
0
    bool had_plt;
2029
2030
0
    had_plt = mn10300_do_tls_transition (input_bfd, r_type, tls_r_type,
2031
0
                 contents, rel->r_offset);
2032
0
    r_type = tls_r_type;
2033
0
    howto = elf_mn10300_howto_table + r_type;
2034
2035
0
    if (had_plt)
2036
0
      for (trel = rel+1; trel < relend; trel++)
2037
0
        if ((ELF32_R_TYPE (trel->r_info) == R_MN10300_PLT32
2038
0
       || ELF32_R_TYPE (trel->r_info) == R_MN10300_PCREL32)
2039
0
      && rel->r_offset + had_plt == trel->r_offset)
2040
0
    trel->r_info = ELF32_R_INFO (0, R_MN10300_NONE);
2041
0
  }
2042
2043
0
      if (r_symndx < symtab_hdr->sh_info)
2044
0
  {
2045
0
    sym = local_syms + r_symndx;
2046
0
    sec = local_sections[r_symndx];
2047
0
    relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2048
0
  }
2049
0
      else
2050
0
  {
2051
0
    if ((h->root.root.type == bfd_link_hash_defined
2052
0
        || h->root.root.type == bfd_link_hash_defweak)
2053
0
        && (   r_type == R_MN10300_GOTPC32
2054
0
      || r_type == R_MN10300_GOTPC16
2055
0
      || ((   r_type == R_MN10300_PLT32
2056
0
           || r_type == R_MN10300_PLT16)
2057
0
          && ELF_ST_VISIBILITY (h->root.other) != STV_INTERNAL
2058
0
          && ELF_ST_VISIBILITY (h->root.other) != STV_HIDDEN
2059
0
          && h->root.plt.offset != (bfd_vma) -1)
2060
0
      || ((   r_type == R_MN10300_GOT32
2061
0
           || r_type == R_MN10300_GOT24
2062
0
           || r_type == R_MN10300_TLS_GD
2063
0
           || r_type == R_MN10300_TLS_LD
2064
0
           || r_type == R_MN10300_TLS_GOTIE
2065
0
           || r_type == R_MN10300_TLS_IE
2066
0
           || r_type == R_MN10300_GOT16)
2067
0
          && elf_hash_table (info)->dynamic_sections_created
2068
0
          && !SYMBOL_REFERENCES_LOCAL (info, hh))
2069
0
      || (r_type == R_MN10300_32
2070
0
          && !SYMBOL_REFERENCES_LOCAL (info, hh)
2071
          /* _32 relocs in executables force _COPY relocs,
2072
       such that the address of the symbol ends up
2073
       being local.  */
2074
0
          && (((input_section->flags & SEC_ALLOC) != 0
2075
0
         && !bfd_link_executable (info))
2076
        /* DWARF will emit R_MN10300_32 relocations
2077
           in its sections against symbols defined
2078
           externally in shared libraries.  We can't
2079
           do anything with them here.  */
2080
0
        || ((input_section->flags & SEC_DEBUGGING) != 0
2081
0
            && h->root.def_dynamic)))))
2082
      /* In these cases, we don't need the relocation
2083
         value.  We check specially because in some
2084
         obscure cases sec->output_section will be NULL.  */
2085
0
      relocation = 0;
2086
2087
0
    else if (!bfd_link_relocatable (info) && unresolved_reloc
2088
0
       && _bfd_elf_section_offset (output_bfd, info, input_section,
2089
0
                 rel->r_offset) != (bfd_vma) -1)
2090
2091
0
      _bfd_error_handler
2092
        /* xgettext:c-format */
2093
0
        (_("%pB(%pA+%#" PRIx64 "): "
2094
0
     "unresolvable %s relocation against symbol `%s'"),
2095
0
         input_bfd,
2096
0
         input_section,
2097
0
         (uint64_t) rel->r_offset,
2098
0
         howto->name,
2099
0
         h->root.root.root.string);
2100
0
  }
2101
2102
0
      if (sec != NULL && discarded_section (sec))
2103
0
  RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2104
0
           rel, 1, relend, howto, 0, contents);
2105
2106
0
      if (bfd_link_relocatable (info))
2107
0
  continue;
2108
2109
0
      r = mn10300_elf_final_link_relocate (howto, input_bfd, output_bfd,
2110
0
             input_section,
2111
0
             contents, rel->r_offset,
2112
0
             relocation, rel->r_addend,
2113
0
             (struct elf_link_hash_entry *) h,
2114
0
             r_symndx,
2115
0
             info, sec, h == NULL);
2116
2117
0
      if (r != bfd_reloc_ok)
2118
0
  {
2119
0
    const char *name;
2120
0
    const char *msg = NULL;
2121
2122
0
    if (h != NULL)
2123
0
      name = h->root.root.root.string;
2124
0
    else
2125
0
      {
2126
0
        name = (bfd_elf_string_from_elf_section
2127
0
          (input_bfd, symtab_hdr->sh_link, sym->st_name));
2128
0
        if (name == NULL || *name == '\0')
2129
0
    name = bfd_section_name (sec);
2130
0
      }
2131
2132
0
    switch (r)
2133
0
      {
2134
0
      case bfd_reloc_overflow:
2135
0
        (*info->callbacks->reloc_overflow)
2136
0
    (info, (h ? &h->root.root : NULL), name, howto->name,
2137
0
     (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
2138
0
        break;
2139
2140
0
      case bfd_reloc_undefined:
2141
0
        (*info->callbacks->undefined_symbol)
2142
0
    (info, name, input_bfd, input_section, rel->r_offset, true);
2143
0
        break;
2144
2145
0
      case bfd_reloc_outofrange:
2146
0
        msg = _("internal error: out of range error");
2147
0
        goto common_error;
2148
2149
0
      case bfd_reloc_notsupported:
2150
0
        msg = _("internal error: unsupported relocation error");
2151
0
        goto common_error;
2152
2153
0
      case bfd_reloc_dangerous:
2154
0
        if (r_type == R_MN10300_PCREL32)
2155
0
    msg = _("error: inappropriate relocation type for shared"
2156
0
      " library (did you forget -fpic?)");
2157
0
        else if (r_type == R_MN10300_GOT32)
2158
    /* xgettext:c-format */
2159
0
    msg = _("%pB: taking the address of protected function"
2160
0
      " '%s' cannot be done when making a shared library");
2161
0
        else
2162
0
    msg = _("internal error: suspicious relocation type used"
2163
0
      " in shared library");
2164
0
        goto common_error;
2165
2166
0
      default:
2167
0
        msg = _("internal error: unknown error");
2168
        /* Fall through.  */
2169
2170
0
      common_error:
2171
0
        _bfd_error_handler (msg, input_bfd, name);
2172
0
        bfd_set_error (bfd_error_bad_value);
2173
0
        return false;
2174
0
      }
2175
0
  }
2176
0
    }
2177
2178
0
  return true;
2179
0
}
Unexecuted instantiation: elf-m10300.c:mn10300_elf_relocate_section
Unexecuted instantiation: elf32-am33lin.c:mn10300_elf_relocate_section
2180
2181
/* Finish initializing one hash table entry.  */
2182
2183
static bool
2184
elf32_mn10300_finish_hash_table_entry (struct bfd_hash_entry *gen_entry,
2185
               void * in_args)
2186
0
{
2187
0
  struct elf32_mn10300_link_hash_entry *entry;
2188
0
  struct bfd_link_info *link_info = (struct bfd_link_info *) in_args;
2189
0
  unsigned int byte_count = 0;
2190
2191
0
  entry = (struct elf32_mn10300_link_hash_entry *) gen_entry;
2192
2193
  /* If we already know we want to convert "call" to "calls" for calls
2194
     to this symbol, then return now.  */
2195
0
  if (entry->flags == MN10300_CONVERT_CALL_TO_CALLS)
2196
0
    return true;
2197
2198
  /* If there are no named calls to this symbol, or there's nothing we
2199
     can move from the function itself into the "call" instruction,
2200
     then note that all "call" instructions should be converted into
2201
     "calls" instructions and return.  If a symbol is available for
2202
     dynamic symbol resolution (overridable or overriding), avoid
2203
     custom calling conventions.  */
2204
0
  if (entry->direct_calls == 0
2205
0
      || (entry->stack_size == 0 && entry->movm_args == 0)
2206
0
      || (elf_hash_table (link_info)->dynamic_sections_created
2207
0
    && ELF_ST_VISIBILITY (entry->root.other) != STV_INTERNAL
2208
0
    && ELF_ST_VISIBILITY (entry->root.other) != STV_HIDDEN))
2209
0
    {
2210
      /* Make a note that we should convert "call" instructions to "calls"
2211
   instructions for calls to this symbol.  */
2212
0
      entry->flags |= MN10300_CONVERT_CALL_TO_CALLS;
2213
0
      return true;
2214
0
    }
2215
2216
  /* We may be able to move some instructions from the function itself into
2217
     the "call" instruction.  Count how many bytes we might be able to
2218
     eliminate in the function itself.  */
2219
2220
  /* A movm instruction is two bytes.  */
2221
0
  if (entry->movm_args)
2222
0
    byte_count += 2;
2223
2224
  /* Count the insn to allocate stack space too.  */
2225
0
  if (entry->stack_size > 0)
2226
0
    {
2227
0
      if (entry->stack_size <= 128)
2228
0
  byte_count += 3;
2229
0
      else
2230
0
  byte_count += 4;
2231
0
    }
2232
2233
  /* If using "call" will result in larger code, then turn all
2234
     the associated "call" instructions into "calls" instructions.  */
2235
0
  if (byte_count < entry->direct_calls)
2236
0
    entry->flags |= MN10300_CONVERT_CALL_TO_CALLS;
2237
2238
  /* This routine never fails.  */
2239
0
  return true;
2240
0
}
Unexecuted instantiation: elf-m10300.c:elf32_mn10300_finish_hash_table_entry
Unexecuted instantiation: elf32-am33lin.c:elf32_mn10300_finish_hash_table_entry
2241
2242
/* Used to count hash table entries.  */
2243
2244
static bool
2245
elf32_mn10300_count_hash_table_entries (struct bfd_hash_entry *gen_entry ATTRIBUTE_UNUSED,
2246
          void * in_args)
2247
0
{
2248
0
  int *count = (int *) in_args;
2249
2250
0
  (*count) ++;
2251
0
  return true;
2252
0
}
Unexecuted instantiation: elf-m10300.c:elf32_mn10300_count_hash_table_entries
Unexecuted instantiation: elf32-am33lin.c:elf32_mn10300_count_hash_table_entries
2253
2254
/* Used to enumerate hash table entries into a linear array.  */
2255
2256
static bool
2257
elf32_mn10300_list_hash_table_entries (struct bfd_hash_entry *gen_entry,
2258
               void * in_args)
2259
0
{
2260
0
  struct bfd_hash_entry ***ptr = (struct bfd_hash_entry ***) in_args;
2261
2262
0
  **ptr = gen_entry;
2263
0
  (*ptr) ++;
2264
0
  return true;
2265
0
}
Unexecuted instantiation: elf-m10300.c:elf32_mn10300_list_hash_table_entries
Unexecuted instantiation: elf32-am33lin.c:elf32_mn10300_list_hash_table_entries
2266
2267
/* Used to sort the array created by the above.  */
2268
2269
static int
2270
sort_by_value (const void *va, const void *vb)
2271
0
{
2272
0
  struct elf32_mn10300_link_hash_entry *a
2273
0
    = *(struct elf32_mn10300_link_hash_entry **) va;
2274
0
  struct elf32_mn10300_link_hash_entry *b
2275
0
    = *(struct elf32_mn10300_link_hash_entry **) vb;
2276
2277
0
  return a->value - b->value;
2278
0
}
Unexecuted instantiation: elf-m10300.c:sort_by_value
Unexecuted instantiation: elf32-am33lin.c:sort_by_value
2279
2280
/* Compute the stack size and movm arguments for the function
2281
   referred to by HASH at address ADDR in section with
2282
   contents CONTENTS, store the information in the hash table.  */
2283
2284
static void
2285
compute_function_info (bfd *abfd,
2286
           struct elf32_mn10300_link_hash_entry *hash,
2287
           bfd_vma addr,
2288
           unsigned char *contents)
2289
0
{
2290
0
  unsigned char byte1, byte2;
2291
  /* We only care about a very small subset of the possible prologue
2292
     sequences here.  Basically we look for:
2293
2294
     movm [d2,d3,a2,a3],sp (optional)
2295
     add <size>,sp (optional, and only for sizes which fit in an unsigned
2296
        8 bit number)
2297
2298
     If we find anything else, we quit.  */
2299
2300
  /* Look for movm [regs],sp.  */
2301
0
  byte1 = bfd_get_8 (abfd, contents + addr);
2302
0
  byte2 = bfd_get_8 (abfd, contents + addr + 1);
2303
2304
0
  if (byte1 == 0xcf)
2305
0
    {
2306
0
      hash->movm_args = byte2;
2307
0
      addr += 2;
2308
0
      byte1 = bfd_get_8 (abfd, contents + addr);
2309
0
      byte2 = bfd_get_8 (abfd, contents + addr + 1);
2310
0
    }
2311
2312
  /* Now figure out how much stack space will be allocated by the movm
2313
     instruction.  We need this kept separate from the function's normal
2314
     stack space.  */
2315
0
  if (hash->movm_args)
2316
0
    {
2317
      /* Space for d2.  */
2318
0
      if (hash->movm_args & 0x80)
2319
0
  hash->movm_stack_size += 4;
2320
2321
      /* Space for d3.  */
2322
0
      if (hash->movm_args & 0x40)
2323
0
  hash->movm_stack_size += 4;
2324
2325
      /* Space for a2.  */
2326
0
      if (hash->movm_args & 0x20)
2327
0
  hash->movm_stack_size += 4;
2328
2329
      /* Space for a3.  */
2330
0
      if (hash->movm_args & 0x10)
2331
0
  hash->movm_stack_size += 4;
2332
2333
      /* "other" space.  d0, d1, a0, a1, mdr, lir, lar, 4 byte pad.  */
2334
0
      if (hash->movm_args & 0x08)
2335
0
  hash->movm_stack_size += 8 * 4;
2336
2337
0
      if (bfd_get_mach (abfd) == bfd_mach_am33
2338
0
    || bfd_get_mach (abfd) == bfd_mach_am33_2)
2339
0
  {
2340
    /* "exother" space.  e0, e1, mdrq, mcrh, mcrl, mcvf */
2341
0
    if (hash->movm_args & 0x1)
2342
0
      hash->movm_stack_size += 6 * 4;
2343
2344
    /* exreg1 space.  e4, e5, e6, e7 */
2345
0
    if (hash->movm_args & 0x2)
2346
0
      hash->movm_stack_size += 4 * 4;
2347
2348
    /* exreg0 space.  e2, e3  */
2349
0
    if (hash->movm_args & 0x4)
2350
0
      hash->movm_stack_size += 2 * 4;
2351
0
  }
2352
0
    }
2353
2354
  /* Now look for the two stack adjustment variants.  */
2355
0
  if (byte1 == 0xf8 && byte2 == 0xfe)
2356
0
    {
2357
0
      int temp = bfd_get_8 (abfd, contents + addr + 2);
2358
0
      temp = ((temp & 0xff) ^ (~0x7f)) + 0x80;
2359
2360
0
      hash->stack_size = -temp;
2361
0
    }
2362
0
  else if (byte1 == 0xfa && byte2 == 0xfe)
2363
0
    {
2364
0
      int temp = bfd_get_16 (abfd, contents + addr + 2);
2365
0
      temp = ((temp & 0xffff) ^ (~0x7fff)) + 0x8000;
2366
0
      temp = -temp;
2367
2368
0
      if (temp < 255)
2369
0
  hash->stack_size = temp;
2370
0
    }
2371
2372
  /* If the total stack to be allocated by the call instruction is more
2373
     than 255 bytes, then we can't remove the stack adjustment by using
2374
     "call" (we might still be able to remove the "movm" instruction.  */
2375
0
  if (hash->stack_size + hash->movm_stack_size > 255)
2376
0
    hash->stack_size = 0;
2377
0
}
Unexecuted instantiation: elf-m10300.c:compute_function_info
Unexecuted instantiation: elf32-am33lin.c:compute_function_info
2378
2379
/* Delete some bytes from a section while relaxing.  */
2380
2381
static bool
2382
mn10300_elf_relax_delete_bytes (bfd *abfd,
2383
        asection *sec,
2384
        bfd_vma addr,
2385
        int count)
2386
0
{
2387
0
  Elf_Internal_Shdr *symtab_hdr;
2388
0
  unsigned int sec_shndx;
2389
0
  bfd_byte *contents;
2390
0
  Elf_Internal_Rela *irel, *irelend;
2391
0
  Elf_Internal_Rela *irelalign;
2392
0
  bfd_vma toaddr;
2393
0
  Elf_Internal_Sym *isym, *isymend;
2394
0
  struct elf_link_hash_entry **sym_hashes;
2395
0
  struct elf_link_hash_entry **end_hashes;
2396
0
  unsigned int symcount;
2397
2398
0
  sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
2399
2400
0
  contents = elf_section_data (sec)->this_hdr.contents;
2401
2402
0
  irelalign = NULL;
2403
0
  toaddr = sec->size;
2404
2405
0
  irel = elf_section_data (sec)->relocs;
2406
0
  irelend = irel + sec->reloc_count;
2407
2408
0
  if (sec->reloc_count > 0)
2409
0
    {
2410
      /* If there is an align reloc at the end of the section ignore it.
2411
   GAS creates these relocs for reasons of its own, and they just
2412
   serve to keep the section artifically inflated.  */
2413
0
      if (ELF32_R_TYPE ((irelend - 1)->r_info) == (int) R_MN10300_ALIGN)
2414
0
  --irelend;
2415
2416
      /* The deletion must stop at the next ALIGN reloc for an alignment
2417
   power larger than, or not a multiple of, the number of bytes we
2418
   are deleting.  */
2419
0
      for (; irel < irelend; irel++)
2420
0
  {
2421
0
    if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_ALIGN
2422
0
        && irel->r_offset > addr
2423
0
        && irel->r_offset < toaddr)
2424
0
      {
2425
0
        int alignment = 1 << irel->r_addend;
2426
2427
0
        if (count < alignment
2428
0
      || alignment % count != 0)
2429
0
    {
2430
0
      irelalign = irel;
2431
0
      toaddr = irel->r_offset;
2432
0
      break;
2433
0
    }
2434
0
      }
2435
0
  }
2436
0
    }
2437
2438
  /* Actually delete the bytes.  */
2439
0
  memmove (contents + addr, contents + addr + count,
2440
0
     (size_t) (toaddr - addr - count));
2441
2442
  /* Adjust the section's size if we are shrinking it, or else
2443
     pad the bytes between the end of the shrunken region and
2444
     the start of the next region with NOP codes.  */
2445
0
  if (irelalign == NULL)
2446
0
    {
2447
0
      sec->size -= count;
2448
      /* Include symbols at the end of the section, but
2449
   not at the end of a sub-region of the section.  */
2450
0
      toaddr ++;
2451
0
    }
2452
0
  else
2453
0
    {
2454
0
      int i;
2455
2456
0
#define NOP_OPCODE 0xcb
2457
2458
0
      for (i = 0; i < count; i ++)
2459
0
  bfd_put_8 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
2460
0
    }
2461
2462
  /* Adjust all the relocs.  */
2463
0
  for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
2464
0
    {
2465
      /* Get the new reloc address.  */
2466
0
      if ((irel->r_offset > addr
2467
0
     && irel->r_offset < toaddr)
2468
0
    || (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_ALIGN
2469
0
        && irel->r_offset == toaddr))
2470
0
  irel->r_offset -= count;
2471
0
    }
2472
2473
  /* Adjust the local symbols in the section, reducing their value
2474
     by the number of bytes deleted.  Note - symbols within the deleted
2475
     region are moved to the address of the start of the region, which
2476
     actually means that they will address the byte beyond the end of
2477
     the region once the deletion has been completed.  */
2478
0
  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2479
0
  isym = (Elf_Internal_Sym *) symtab_hdr->contents;
2480
0
  for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
2481
0
    {
2482
0
      if (isym->st_shndx == sec_shndx
2483
0
    && isym->st_value > addr
2484
0
    && isym->st_value < toaddr)
2485
0
  {
2486
0
    if (isym->st_value < addr + count)
2487
0
      isym->st_value = addr;
2488
0
    else
2489
0
      isym->st_value -= count;
2490
0
  }
2491
      /* Adjust the function symbol's size as well.  */
2492
0
      else if (isym->st_shndx == sec_shndx
2493
0
         && ELF_ST_TYPE (isym->st_info) == STT_FUNC
2494
0
         && isym->st_value + isym->st_size > addr
2495
0
         && isym->st_value + isym->st_size < toaddr)
2496
0
  isym->st_size -= count;
2497
0
    }
2498
2499
  /* Now adjust the global symbols defined in this section.  */
2500
0
  symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
2501
0
        - symtab_hdr->sh_info);
2502
0
  sym_hashes = elf_sym_hashes (abfd);
2503
0
  end_hashes = sym_hashes + symcount;
2504
0
  for (; sym_hashes < end_hashes; sym_hashes++)
2505
0
    {
2506
0
      struct elf_link_hash_entry *sym_hash = *sym_hashes;
2507
2508
0
      if ((sym_hash->root.type == bfd_link_hash_defined
2509
0
     || sym_hash->root.type == bfd_link_hash_defweak)
2510
0
    && sym_hash->root.u.def.section == sec
2511
0
    && sym_hash->root.u.def.value > addr
2512
0
    && sym_hash->root.u.def.value < toaddr)
2513
0
  {
2514
0
    if (sym_hash->root.u.def.value < addr + count)
2515
0
      sym_hash->root.u.def.value = addr;
2516
0
    else
2517
0
      sym_hash->root.u.def.value -= count;
2518
0
  }
2519
      /* Adjust the function symbol's size as well.  */
2520
0
      else if (sym_hash->root.type == bfd_link_hash_defined
2521
0
         && sym_hash->root.u.def.section == sec
2522
0
         && sym_hash->type == STT_FUNC
2523
0
         && sym_hash->root.u.def.value + sym_hash->size > addr
2524
0
         && sym_hash->root.u.def.value + sym_hash->size < toaddr)
2525
0
  sym_hash->size -= count;
2526
0
    }
2527
2528
  /* See if we can move the ALIGN reloc forward.
2529
     We have adjusted r_offset for it already.  */
2530
0
  if (irelalign != NULL)
2531
0
    {
2532
0
      bfd_vma alignto, alignaddr;
2533
2534
0
      if ((int) irelalign->r_addend > 0)
2535
0
  {
2536
    /* This is the old address.  */
2537
0
    alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_addend);
2538
    /* This is where the align points to now.  */
2539
0
    alignaddr = BFD_ALIGN (irelalign->r_offset,
2540
0
         1 << irelalign->r_addend);
2541
0
    if (alignaddr < alignto)
2542
      /* Tail recursion.  */
2543
0
      return mn10300_elf_relax_delete_bytes (abfd, sec, alignaddr,
2544
0
               (int) (alignto - alignaddr));
2545
0
  }
2546
0
    }
2547
2548
0
  return true;
2549
0
}
Unexecuted instantiation: elf-m10300.c:mn10300_elf_relax_delete_bytes
Unexecuted instantiation: elf32-am33lin.c:mn10300_elf_relax_delete_bytes
2550
2551
/* Return TRUE if a symbol exists at the given address, else return
2552
   FALSE.  */
2553
2554
static bool
2555
mn10300_elf_symbol_address_p (bfd *abfd,
2556
            asection *sec,
2557
            Elf_Internal_Sym *isym,
2558
            bfd_vma addr)
2559
0
{
2560
0
  Elf_Internal_Shdr *symtab_hdr;
2561
0
  unsigned int sec_shndx;
2562
0
  Elf_Internal_Sym *isymend;
2563
0
  struct elf_link_hash_entry **sym_hashes;
2564
0
  struct elf_link_hash_entry **end_hashes;
2565
0
  unsigned int symcount;
2566
2567
0
  sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
2568
2569
  /* Examine all the symbols.  */
2570
0
  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2571
0
  for (isymend = isym + symtab_hdr->sh_info; isym < isymend; isym++)
2572
0
    if (isym->st_shndx == sec_shndx
2573
0
  && isym->st_value == addr)
2574
0
      return true;
2575
2576
0
  symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
2577
0
        - symtab_hdr->sh_info);
2578
0
  sym_hashes = elf_sym_hashes (abfd);
2579
0
  end_hashes = sym_hashes + symcount;
2580
0
  for (; sym_hashes < end_hashes; sym_hashes++)
2581
0
    {
2582
0
      struct elf_link_hash_entry *sym_hash = *sym_hashes;
2583
2584
0
      if ((sym_hash->root.type == bfd_link_hash_defined
2585
0
     || sym_hash->root.type == bfd_link_hash_defweak)
2586
0
    && sym_hash->root.u.def.section == sec
2587
0
    && sym_hash->root.u.def.value == addr)
2588
0
  return true;
2589
0
    }
2590
2591
0
  return false;
2592
0
}
Unexecuted instantiation: elf-m10300.c:mn10300_elf_symbol_address_p
Unexecuted instantiation: elf32-am33lin.c:mn10300_elf_symbol_address_p
2593
2594
/* This function handles relaxing for the mn10300.
2595
2596
   There are quite a few relaxing opportunities available on the mn10300:
2597
2598
  * calls:32 -> calls:16             2 bytes
2599
  * call:32  -> call:16            2 bytes
2600
2601
  * call:32 -> calls:32            1 byte
2602
  * call:16 -> calls:16            1 byte
2603
    * These are done anytime using "calls" would result
2604
    in smaller code, or when necessary to preserve the
2605
    meaning of the program.
2606
2607
  * call:32              varies
2608
  * call:16
2609
    * In some circumstances we can move instructions
2610
    from a function prologue into a "call" instruction.
2611
    This is only done if the resulting code is no larger
2612
    than the original code.
2613
2614
  * jmp:32 -> jmp:16             2 bytes
2615
  * jmp:16 -> bra:8            1 byte
2616
2617
    * If the previous instruction is a conditional branch
2618
    around the jump/bra, we may be able to reverse its condition
2619
    and change its target to the jump's target.  The jump/bra
2620
    can then be deleted.           2 bytes
2621
2622
  * mov abs32 -> mov abs16           1 or 2 bytes
2623
2624
  * Most instructions which accept imm32 can relax to imm16  1 or 2 bytes
2625
  - Most instructions which accept imm16 can relax to imm8   1 or 2 bytes
2626
2627
  * Most instructions which accept d32 can relax to d16    1 or 2 bytes
2628
  - Most instructions which accept d16 can relax to d8     1 or 2 bytes
2629
2630
  We don't handle imm16->imm8 or d16->d8 as they're very rare
2631
  and somewhat more difficult to support.  */
2632
2633
static bool
2634
mn10300_elf_relax_section (bfd *abfd,
2635
         asection *sec,
2636
         struct bfd_link_info *link_info,
2637
         bool *again)
2638
0
{
2639
0
  Elf_Internal_Shdr *symtab_hdr;
2640
0
  Elf_Internal_Rela *internal_relocs = NULL;
2641
0
  Elf_Internal_Rela *irel, *irelend;
2642
0
  bfd_byte *contents = NULL;
2643
0
  Elf_Internal_Sym *isymbuf = NULL;
2644
0
  struct elf32_mn10300_link_hash_table *hash_table;
2645
0
  asection *section = sec;
2646
0
  bfd_vma align_gap_adjustment;
2647
2648
0
  if (bfd_link_relocatable (link_info))
2649
0
    (*link_info->callbacks->einfo)
2650
0
      (_("%P%F: --relax and -r may not be used together\n"));
2651
2652
  /* Assume nothing changes.  */
2653
0
  *again = false;
2654
2655
  /* We need a pointer to the mn10300 specific hash table.  */
2656
0
  hash_table = elf32_mn10300_hash_table (link_info);
2657
0
  if (hash_table == NULL)
2658
0
    return false;
2659
2660
  /* Initialize fields in each hash table entry the first time through.  */
2661
0
  if ((hash_table->flags & MN10300_HASH_ENTRIES_INITIALIZED) == 0)
2662
0
    {
2663
0
      bfd *input_bfd;
2664
2665
      /* Iterate over all the input bfds.  */
2666
0
      for (input_bfd = link_info->input_bfds;
2667
0
     input_bfd != NULL;
2668
0
     input_bfd = input_bfd->link.next)
2669
0
  {
2670
    /* We're going to need all the symbols for each bfd.  */
2671
0
    symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
2672
0
    if (symtab_hdr->sh_info != 0)
2673
0
      {
2674
0
        isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
2675
0
        if (isymbuf == NULL)
2676
0
    isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
2677
0
            symtab_hdr->sh_info, 0,
2678
0
            NULL, NULL, NULL);
2679
0
        if (isymbuf == NULL)
2680
0
    goto error_return;
2681
0
      }
2682
2683
    /* Iterate over each section in this bfd.  */
2684
0
    for (section = input_bfd->sections;
2685
0
         section != NULL;
2686
0
         section = section->next)
2687
0
      {
2688
0
        struct elf32_mn10300_link_hash_entry *hash;
2689
0
        asection *sym_sec = NULL;
2690
0
        const char *sym_name;
2691
0
        char *new_name;
2692
2693
        /* If there's nothing to do in this section, skip it.  */
2694
0
        if (! ((section->flags & SEC_RELOC) != 0
2695
0
         && section->reloc_count != 0))
2696
0
    continue;
2697
0
        if ((section->flags & SEC_ALLOC) == 0
2698
0
      || (section->flags & SEC_HAS_CONTENTS) == 0)
2699
0
    continue;
2700
2701
        /* Get cached copy of section contents if it exists.  */
2702
0
        if (elf_section_data (section)->this_hdr.contents != NULL)
2703
0
    contents = elf_section_data (section)->this_hdr.contents;
2704
0
        else if (section->size != 0)
2705
0
    {
2706
      /* Go get them off disk.  */
2707
0
      if (!bfd_malloc_and_get_section (input_bfd, section,
2708
0
               &contents))
2709
0
        goto error_return;
2710
0
    }
2711
0
        else
2712
0
    contents = NULL;
2713
2714
        /* If there aren't any relocs, then there's nothing to do.  */
2715
0
        if ((section->flags & SEC_RELOC) != 0
2716
0
      && section->reloc_count != 0)
2717
0
    {
2718
      /* Get a copy of the native relocations.  */
2719
0
      internal_relocs = _bfd_elf_link_read_relocs (input_bfd, section,
2720
0
                     NULL, NULL,
2721
0
                     link_info->keep_memory);
2722
0
      if (internal_relocs == NULL)
2723
0
        goto error_return;
2724
2725
      /* Now examine each relocation.  */
2726
0
      irel = internal_relocs;
2727
0
      irelend = irel + section->reloc_count;
2728
0
      for (; irel < irelend; irel++)
2729
0
        {
2730
0
          long r_type;
2731
0
          unsigned long r_index;
2732
0
          unsigned char code;
2733
2734
0
          r_type = ELF32_R_TYPE (irel->r_info);
2735
0
          r_index = ELF32_R_SYM (irel->r_info);
2736
2737
0
          if (r_type < 0 || r_type >= (int) R_MN10300_MAX)
2738
0
      goto error_return;
2739
2740
          /* We need the name and hash table entry of the target
2741
       symbol!  */
2742
0
          hash = NULL;
2743
0
          sym_sec = NULL;
2744
2745
0
          if (r_index < symtab_hdr->sh_info)
2746
0
      {
2747
        /* A local symbol.  */
2748
0
        Elf_Internal_Sym *isym;
2749
0
        struct elf_link_hash_table *elftab;
2750
0
        size_t amt;
2751
2752
0
        isym = isymbuf + r_index;
2753
0
        if (isym->st_shndx == SHN_UNDEF)
2754
0
          sym_sec = bfd_und_section_ptr;
2755
0
        else if (isym->st_shndx == SHN_ABS)
2756
0
          sym_sec = bfd_abs_section_ptr;
2757
0
        else if (isym->st_shndx == SHN_COMMON)
2758
0
          sym_sec = bfd_com_section_ptr;
2759
0
        else
2760
0
          sym_sec
2761
0
            = bfd_section_from_elf_index (input_bfd,
2762
0
                  isym->st_shndx);
2763
2764
0
        sym_name
2765
0
          = bfd_elf_string_from_elf_section (input_bfd,
2766
0
                     (symtab_hdr
2767
0
                ->sh_link),
2768
0
                     isym->st_name);
2769
2770
        /* If it isn't a function, then we don't care
2771
           about it.  */
2772
0
        if (ELF_ST_TYPE (isym->st_info) != STT_FUNC)
2773
0
          continue;
2774
2775
        /* Tack on an ID so we can uniquely identify this
2776
           local symbol in the global hash table.  */
2777
0
        amt = strlen (sym_name) + 10;
2778
0
        new_name = bfd_malloc (amt);
2779
0
        if (new_name == NULL)
2780
0
          goto error_return;
2781
2782
0
        sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
2783
0
        sym_name = new_name;
2784
2785
0
        elftab = &hash_table->static_hash_table->root;
2786
0
        hash = ((struct elf32_mn10300_link_hash_entry *)
2787
0
          elf_link_hash_lookup (elftab, sym_name,
2788
0
              true, true, false));
2789
0
        free (new_name);
2790
0
      }
2791
0
          else
2792
0
      {
2793
0
        r_index -= symtab_hdr->sh_info;
2794
0
        hash = (struct elf32_mn10300_link_hash_entry *)
2795
0
           elf_sym_hashes (input_bfd)[r_index];
2796
0
      }
2797
2798
0
          sym_name = hash->root.root.root.string;
2799
0
          if ((section->flags & SEC_CODE) != 0)
2800
0
      {
2801
        /* If this is not a "call" instruction, then we
2802
           should convert "call" instructions to "calls"
2803
           instructions.  */
2804
0
        code = bfd_get_8 (input_bfd,
2805
0
              contents + irel->r_offset - 1);
2806
0
        if (code != 0xdd && code != 0xcd)
2807
0
          hash->flags |= MN10300_CONVERT_CALL_TO_CALLS;
2808
0
      }
2809
2810
          /* If this is a jump/call, then bump the
2811
       direct_calls counter.  Else force "call" to
2812
       "calls" conversions.  */
2813
0
          if (r_type == R_MN10300_PCREL32
2814
0
        || r_type == R_MN10300_PLT32
2815
0
        || r_type == R_MN10300_PLT16
2816
0
        || r_type == R_MN10300_PCREL16)
2817
0
      hash->direct_calls++;
2818
0
          else
2819
0
      hash->flags |= MN10300_CONVERT_CALL_TO_CALLS;
2820
0
        }
2821
0
    }
2822
2823
        /* Now look at the actual contents to get the stack size,
2824
     and a list of what registers were saved in the prologue
2825
     (ie movm_args).  */
2826
0
        if ((section->flags & SEC_CODE) != 0)
2827
0
    {
2828
0
      Elf_Internal_Sym *isym, *isymend;
2829
0
      unsigned int sec_shndx;
2830
0
      struct elf_link_hash_entry **hashes;
2831
0
      struct elf_link_hash_entry **end_hashes;
2832
0
      unsigned int symcount;
2833
2834
0
      sec_shndx = _bfd_elf_section_from_bfd_section (input_bfd,
2835
0
                 section);
2836
2837
0
      symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
2838
0
            - symtab_hdr->sh_info);
2839
0
      hashes = elf_sym_hashes (input_bfd);
2840
0
      end_hashes = hashes + symcount;
2841
2842
      /* Look at each function defined in this section and
2843
         update info for that function.  */
2844
0
      isymend = isymbuf + symtab_hdr->sh_info;
2845
0
      for (isym = isymbuf; isym < isymend; isym++)
2846
0
        {
2847
0
          if (isym->st_shndx == sec_shndx
2848
0
        && ELF_ST_TYPE (isym->st_info) == STT_FUNC)
2849
0
      {
2850
0
        struct elf_link_hash_table *elftab;
2851
0
        size_t amt;
2852
0
        struct elf_link_hash_entry **lhashes = hashes;
2853
2854
        /* Skip a local symbol if it aliases a
2855
           global one.  */
2856
0
        for (; lhashes < end_hashes; lhashes++)
2857
0
          {
2858
0
            hash = (struct elf32_mn10300_link_hash_entry *) *lhashes;
2859
0
            if ((hash->root.root.type == bfd_link_hash_defined
2860
0
           || hash->root.root.type == bfd_link_hash_defweak)
2861
0
          && hash->root.root.u.def.section == section
2862
0
          && hash->root.type == STT_FUNC
2863
0
          && hash->root.root.u.def.value == isym->st_value)
2864
0
        break;
2865
0
          }
2866
0
        if (lhashes != end_hashes)
2867
0
          continue;
2868
2869
0
        if (isym->st_shndx == SHN_UNDEF)
2870
0
          sym_sec = bfd_und_section_ptr;
2871
0
        else if (isym->st_shndx == SHN_ABS)
2872
0
          sym_sec = bfd_abs_section_ptr;
2873
0
        else if (isym->st_shndx == SHN_COMMON)
2874
0
          sym_sec = bfd_com_section_ptr;
2875
0
        else
2876
0
          sym_sec
2877
0
            = bfd_section_from_elf_index (input_bfd,
2878
0
                  isym->st_shndx);
2879
2880
0
        sym_name = (bfd_elf_string_from_elf_section
2881
0
              (input_bfd, symtab_hdr->sh_link,
2882
0
               isym->st_name));
2883
2884
        /* Tack on an ID so we can uniquely identify this
2885
           local symbol in the global hash table.  */
2886
0
        amt = strlen (sym_name) + 10;
2887
0
        new_name = bfd_malloc (amt);
2888
0
        if (new_name == NULL)
2889
0
          goto error_return;
2890
2891
0
        sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
2892
0
        sym_name = new_name;
2893
2894
0
        elftab = &hash_table->static_hash_table->root;
2895
0
        hash = ((struct elf32_mn10300_link_hash_entry *)
2896
0
          elf_link_hash_lookup (elftab, sym_name,
2897
0
              true, true, false));
2898
0
        free (new_name);
2899
0
        compute_function_info (input_bfd, hash,
2900
0
             isym->st_value, contents);
2901
0
        hash->value = isym->st_value;
2902
0
      }
2903
0
        }
2904
2905
0
      for (; hashes < end_hashes; hashes++)
2906
0
        {
2907
0
          hash = (struct elf32_mn10300_link_hash_entry *) *hashes;
2908
0
          if ((hash->root.root.type == bfd_link_hash_defined
2909
0
         || hash->root.root.type == bfd_link_hash_defweak)
2910
0
        && hash->root.root.u.def.section == section
2911
0
        && hash->root.type == STT_FUNC)
2912
0
      compute_function_info (input_bfd, hash,
2913
0
                 (hash)->root.root.u.def.value,
2914
0
                 contents);
2915
0
        }
2916
0
    }
2917
2918
        /* Cache or free any memory we allocated for the relocs.  */
2919
0
        if (elf_section_data (section)->relocs != internal_relocs)
2920
0
    free (internal_relocs);
2921
0
        internal_relocs = NULL;
2922
2923
        /* Cache or free any memory we allocated for the contents.  */
2924
0
        if (contents != NULL
2925
0
      && elf_section_data (section)->this_hdr.contents != contents)
2926
0
    {
2927
0
      if (! link_info->keep_memory)
2928
0
        free (contents);
2929
0
      else
2930
0
        {
2931
          /* Cache the section contents for elf_link_input_bfd.  */
2932
0
          elf_section_data (section)->this_hdr.contents = contents;
2933
0
        }
2934
0
    }
2935
0
        contents = NULL;
2936
0
      }
2937
2938
    /* Cache or free any memory we allocated for the symbols.  */
2939
0
    if (isymbuf != NULL
2940
0
        && symtab_hdr->contents != (unsigned char *) isymbuf)
2941
0
      {
2942
0
        if (! link_info->keep_memory)
2943
0
    free (isymbuf);
2944
0
        else
2945
0
    {
2946
      /* Cache the symbols for elf_link_input_bfd.  */
2947
0
      symtab_hdr->contents = (unsigned char *) isymbuf;
2948
0
    }
2949
0
      }
2950
0
    isymbuf = NULL;
2951
0
  }
2952
2953
      /* Now iterate on each symbol in the hash table and perform
2954
   the final initialization steps on each.  */
2955
0
      elf32_mn10300_link_hash_traverse (hash_table,
2956
0
          elf32_mn10300_finish_hash_table_entry,
2957
0
          link_info);
2958
0
      elf32_mn10300_link_hash_traverse (hash_table->static_hash_table,
2959
0
          elf32_mn10300_finish_hash_table_entry,
2960
0
          link_info);
2961
2962
0
      {
2963
  /* This section of code collects all our local symbols, sorts
2964
     them by value, and looks for multiple symbols referring to
2965
     the same address.  For those symbols, the flags are merged.
2966
     At this point, the only flag that can be set is
2967
     MN10300_CONVERT_CALL_TO_CALLS, so we simply OR the flags
2968
     together.  */
2969
0
  int static_count = 0, i;
2970
0
  struct elf32_mn10300_link_hash_entry **entries;
2971
0
  struct elf32_mn10300_link_hash_entry **ptr;
2972
2973
0
  elf32_mn10300_link_hash_traverse (hash_table->static_hash_table,
2974
0
            elf32_mn10300_count_hash_table_entries,
2975
0
            &static_count);
2976
2977
0
  entries = bfd_malloc (static_count * sizeof (* ptr));
2978
2979
0
  ptr = entries;
2980
0
  elf32_mn10300_link_hash_traverse (hash_table->static_hash_table,
2981
0
            elf32_mn10300_list_hash_table_entries,
2982
0
            & ptr);
2983
2984
0
  qsort (entries, static_count, sizeof (entries[0]), sort_by_value);
2985
2986
0
  for (i = 0; i < static_count - 1; i++)
2987
0
    if (entries[i]->value && entries[i]->value == entries[i+1]->value)
2988
0
      {
2989
0
        int v = entries[i]->flags;
2990
0
        int j;
2991
2992
0
        for (j = i + 1; j < static_count && entries[j]->value == entries[i]->value; j++)
2993
0
    v |= entries[j]->flags;
2994
2995
0
        for (j = i; j < static_count && entries[j]->value == entries[i]->value; j++)
2996
0
    entries[j]->flags = v;
2997
2998
0
        i = j - 1;
2999
0
      }
3000
0
      }
3001
3002
      /* All entries in the hash table are fully initialized.  */
3003
0
      hash_table->flags |= MN10300_HASH_ENTRIES_INITIALIZED;
3004
3005
      /* Now that everything has been initialized, go through each
3006
   code section and delete any prologue insns which will be
3007
   redundant because their operations will be performed by
3008
   a "call" instruction.  */
3009
0
      for (input_bfd = link_info->input_bfds;
3010
0
     input_bfd != NULL;
3011
0
     input_bfd = input_bfd->link.next)
3012
0
  {
3013
    /* We're going to need all the local symbols for each bfd.  */
3014
0
    symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
3015
0
    if (symtab_hdr->sh_info != 0)
3016
0
      {
3017
0
        isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
3018
0
        if (isymbuf == NULL)
3019
0
    isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
3020
0
            symtab_hdr->sh_info, 0,
3021
0
            NULL, NULL, NULL);
3022
0
        if (isymbuf == NULL)
3023
0
    goto error_return;
3024
0
      }
3025
3026
    /* Walk over each section in this bfd.  */
3027
0
    for (section = input_bfd->sections;
3028
0
         section != NULL;
3029
0
         section = section->next)
3030
0
      {
3031
0
        unsigned int sec_shndx;
3032
0
        Elf_Internal_Sym *isym, *isymend;
3033
0
        struct elf_link_hash_entry **hashes;
3034
0
        struct elf_link_hash_entry **end_hashes;
3035
0
        unsigned int symcount;
3036
3037
        /* Skip non-code sections and empty sections.  */
3038
0
        if ((section->flags & SEC_CODE) == 0
3039
0
      || (section->flags & SEC_HAS_CONTENTS) == 0
3040
0
      || section->size == 0)
3041
0
    continue;
3042
3043
0
        if (section->reloc_count != 0)
3044
0
    {
3045
      /* Get a copy of the native relocations.  */
3046
0
      internal_relocs = _bfd_elf_link_read_relocs (input_bfd, section,
3047
0
                     NULL, NULL,
3048
0
                     link_info->keep_memory);
3049
0
      if (internal_relocs == NULL)
3050
0
        goto error_return;
3051
0
    }
3052
3053
        /* Get cached copy of section contents if it exists.  */
3054
0
        if (elf_section_data (section)->this_hdr.contents != NULL)
3055
0
    contents = elf_section_data (section)->this_hdr.contents;
3056
0
        else
3057
0
    {
3058
      /* Go get them off disk.  */
3059
0
      if (!bfd_malloc_and_get_section (input_bfd, section,
3060
0
               &contents))
3061
0
        goto error_return;
3062
0
    }
3063
3064
0
        sec_shndx = _bfd_elf_section_from_bfd_section (input_bfd,
3065
0
                   section);
3066
3067
        /* Now look for any function in this section which needs
3068
     insns deleted from its prologue.  */
3069
0
        isymend = isymbuf + symtab_hdr->sh_info;
3070
0
        for (isym = isymbuf; isym < isymend; isym++)
3071
0
    {
3072
0
      struct elf32_mn10300_link_hash_entry *sym_hash;
3073
0
      asection *sym_sec = NULL;
3074
0
      const char *sym_name;
3075
0
      char *new_name;
3076
0
      struct elf_link_hash_table *elftab;
3077
0
      size_t amt;
3078
3079
0
      if (isym->st_shndx != sec_shndx)
3080
0
        continue;
3081
3082
0
      if (isym->st_shndx == SHN_UNDEF)
3083
0
        sym_sec = bfd_und_section_ptr;
3084
0
      else if (isym->st_shndx == SHN_ABS)
3085
0
        sym_sec = bfd_abs_section_ptr;
3086
0
      else if (isym->st_shndx == SHN_COMMON)
3087
0
        sym_sec = bfd_com_section_ptr;
3088
0
      else
3089
0
        sym_sec
3090
0
          = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
3091
3092
0
      sym_name
3093
0
        = bfd_elf_string_from_elf_section (input_bfd,
3094
0
                   symtab_hdr->sh_link,
3095
0
                   isym->st_name);
3096
3097
      /* Tack on an ID so we can uniquely identify this
3098
         local symbol in the global hash table.  */
3099
0
      amt = strlen (sym_name) + 10;
3100
0
      new_name = bfd_malloc (amt);
3101
0
      if (new_name == NULL)
3102
0
        goto error_return;
3103
0
      sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
3104
0
      sym_name = new_name;
3105
3106
0
      elftab = & hash_table->static_hash_table->root;
3107
0
      sym_hash = (struct elf32_mn10300_link_hash_entry *)
3108
0
        elf_link_hash_lookup (elftab, sym_name,
3109
0
            false, false, false);
3110
3111
0
      free (new_name);
3112
0
      if (sym_hash == NULL)
3113
0
        continue;
3114
3115
0
      if (! (sym_hash->flags & MN10300_CONVERT_CALL_TO_CALLS)
3116
0
          && ! (sym_hash->flags & MN10300_DELETED_PROLOGUE_BYTES))
3117
0
        {
3118
0
          int bytes = 0;
3119
3120
          /* Note that we've changed things.  */
3121
0
          elf_section_data (section)->relocs = internal_relocs;
3122
0
          elf_section_data (section)->this_hdr.contents = contents;
3123
0
          symtab_hdr->contents = (unsigned char *) isymbuf;
3124
3125
          /* Count how many bytes we're going to delete.  */
3126
0
          if (sym_hash->movm_args)
3127
0
      bytes += 2;
3128
3129
0
          if (sym_hash->stack_size > 0)
3130
0
      {
3131
0
        if (sym_hash->stack_size <= 128)
3132
0
          bytes += 3;
3133
0
        else
3134
0
          bytes += 4;
3135
0
      }
3136
3137
          /* Note that we've deleted prologue bytes for this
3138
       function.  */
3139
0
          sym_hash->flags |= MN10300_DELETED_PROLOGUE_BYTES;
3140
3141
          /* Actually delete the bytes.  */
3142
0
          if (!mn10300_elf_relax_delete_bytes (input_bfd,
3143
0
                 section,
3144
0
                 isym->st_value,
3145
0
                 bytes))
3146
0
      goto error_return;
3147
3148
          /* Something changed.  Not strictly necessary, but
3149
       may lead to more relaxing opportunities.  */
3150
0
          *again = true;
3151
0
        }
3152
0
    }
3153
3154
        /* Look for any global functions in this section which
3155
     need insns deleted from their prologues.  */
3156
0
        symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
3157
0
        - symtab_hdr->sh_info);
3158
0
        hashes = elf_sym_hashes (input_bfd);
3159
0
        end_hashes = hashes + symcount;
3160
0
        for (; hashes < end_hashes; hashes++)
3161
0
    {
3162
0
      struct elf32_mn10300_link_hash_entry *sym_hash;
3163
3164
0
      sym_hash = (struct elf32_mn10300_link_hash_entry *) *hashes;
3165
0
      if ((sym_hash->root.root.type == bfd_link_hash_defined
3166
0
           || sym_hash->root.root.type == bfd_link_hash_defweak)
3167
0
          && sym_hash->root.root.u.def.section == section
3168
0
          && ! (sym_hash->flags & MN10300_CONVERT_CALL_TO_CALLS)
3169
0
          && ! (sym_hash->flags & MN10300_DELETED_PROLOGUE_BYTES))
3170
0
        {
3171
0
          int bytes = 0;
3172
0
          bfd_vma symval;
3173
0
          struct elf_link_hash_entry **hh;
3174
3175
          /* Note that we've changed things.  */
3176
0
          elf_section_data (section)->relocs = internal_relocs;
3177
0
          elf_section_data (section)->this_hdr.contents = contents;
3178
0
          symtab_hdr->contents = (unsigned char *) isymbuf;
3179
3180
          /* Count how many bytes we're going to delete.  */
3181
0
          if (sym_hash->movm_args)
3182
0
      bytes += 2;
3183
3184
0
          if (sym_hash->stack_size > 0)
3185
0
      {
3186
0
        if (sym_hash->stack_size <= 128)
3187
0
          bytes += 3;
3188
0
        else
3189
0
          bytes += 4;
3190
0
      }
3191
3192
          /* Note that we've deleted prologue bytes for this
3193
       function.  */
3194
0
          sym_hash->flags |= MN10300_DELETED_PROLOGUE_BYTES;
3195
3196
          /* Actually delete the bytes.  */
3197
0
          symval = sym_hash->root.root.u.def.value;
3198
0
          if (!mn10300_elf_relax_delete_bytes (input_bfd,
3199
0
                 section,
3200
0
                 symval,
3201
0
                 bytes))
3202
0
      goto error_return;
3203
3204
          /* There may be other C++ functions symbols with the same
3205
       address.  If so then mark these as having had their
3206
       prologue bytes deleted as well.  */
3207
0
          for (hh = elf_sym_hashes (input_bfd); hh < end_hashes; hh++)
3208
0
      {
3209
0
        struct elf32_mn10300_link_hash_entry *h;
3210
3211
0
        h = (struct elf32_mn10300_link_hash_entry *) * hh;
3212
3213
0
        if (h != sym_hash
3214
0
            && (h->root.root.type == bfd_link_hash_defined
3215
0
          || h->root.root.type == bfd_link_hash_defweak)
3216
0
            && h->root.root.u.def.section == section
3217
0
            && ! (h->flags & MN10300_CONVERT_CALL_TO_CALLS)
3218
0
            && h->root.root.u.def.value == symval
3219
0
            && h->root.type == STT_FUNC)
3220
0
          h->flags |= MN10300_DELETED_PROLOGUE_BYTES;
3221
0
      }
3222
3223
          /* Something changed.  Not strictly necessary, but
3224
       may lead to more relaxing opportunities.  */
3225
0
          *again = true;
3226
0
        }
3227
0
    }
3228
3229
        /* Cache or free any memory we allocated for the relocs.  */
3230
0
        if (elf_section_data (section)->relocs != internal_relocs)
3231
0
    free (internal_relocs);
3232
0
        internal_relocs = NULL;
3233
3234
        /* Cache or free any memory we allocated for the contents.  */
3235
0
        if (contents != NULL
3236
0
      && elf_section_data (section)->this_hdr.contents != contents)
3237
0
    {
3238
0
      if (! link_info->keep_memory)
3239
0
        free (contents);
3240
0
      else
3241
        /* Cache the section contents for elf_link_input_bfd.  */
3242
0
        elf_section_data (section)->this_hdr.contents = contents;
3243
0
    }
3244
0
        contents = NULL;
3245
0
      }
3246
3247
    /* Cache or free any memory we allocated for the symbols.  */
3248
0
    if (isymbuf != NULL
3249
0
        && symtab_hdr->contents != (unsigned char *) isymbuf)
3250
0
      {
3251
0
        if (! link_info->keep_memory)
3252
0
    free (isymbuf);
3253
0
        else
3254
    /* Cache the symbols for elf_link_input_bfd.  */
3255
0
    symtab_hdr->contents = (unsigned char *) isymbuf;
3256
0
      }
3257
0
    isymbuf = NULL;
3258
0
  }
3259
0
    }
3260
3261
  /* (Re)initialize for the basic instruction shortening/relaxing pass.  */
3262
0
  contents = NULL;
3263
0
  internal_relocs = NULL;
3264
0
  isymbuf = NULL;
3265
  /* For error_return.  */
3266
0
  section = sec;
3267
3268
  /* We don't have to do anything for a relocatable link, if
3269
     this section does not have relocs, or if this is not a
3270
     code section.  */
3271
0
  if (bfd_link_relocatable (link_info)
3272
0
      || (sec->flags & SEC_RELOC) == 0
3273
0
      || sec->reloc_count == 0
3274
0
      || (sec->flags & SEC_CODE) == 0)
3275
0
    return true;
3276
3277
0
  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
3278
3279
  /* Get a copy of the native relocations.  */
3280
0
  internal_relocs = _bfd_elf_link_read_relocs (abfd, sec, NULL, NULL,
3281
0
                 link_info->keep_memory);
3282
0
  if (internal_relocs == NULL)
3283
0
    goto error_return;
3284
3285
  /* Scan for worst case alignment gap changes.  Note that this logic
3286
     is not ideal; what we should do is run this scan for every
3287
     opcode/address range and adjust accordingly, but that's
3288
     expensive.  Worst case is that for an alignment of N bytes, we
3289
     move by 2*N-N-1 bytes, assuming we have aligns of 1, 2, 4, 8, etc
3290
     all before it.  Plus, this still doesn't cover cross-section
3291
     jumps with section alignment.  */
3292
0
  irelend = internal_relocs + sec->reloc_count;
3293
0
  align_gap_adjustment = 0;
3294
0
  for (irel = internal_relocs; irel < irelend; irel++)
3295
0
    {
3296
0
      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_ALIGN)
3297
0
  {
3298
0
    bfd_vma adj = 1 << irel->r_addend;
3299
0
    bfd_vma aend = irel->r_offset;
3300
3301
0
    aend = BFD_ALIGN (aend, 1 << irel->r_addend);
3302
0
    adj = 2 * adj - adj - 1;
3303
3304
    /* Record the biggest adjustmnet.  Skip any alignment at the
3305
       end of our section.  */
3306
0
    if (align_gap_adjustment < adj
3307
0
        && aend < sec->output_section->vma + sec->output_offset + sec->size)
3308
0
      align_gap_adjustment = adj;
3309
0
  }
3310
0
    }
3311
3312
  /* Walk through them looking for relaxing opportunities.  */
3313
0
  irelend = internal_relocs + sec->reloc_count;
3314
0
  for (irel = internal_relocs; irel < irelend; irel++)
3315
0
    {
3316
0
      bfd_vma symval;
3317
0
      bfd_signed_vma jump_offset;
3318
0
      asection *sym_sec = NULL;
3319
0
      struct elf32_mn10300_link_hash_entry *h = NULL;
3320
3321
      /* If this isn't something that can be relaxed, then ignore
3322
   this reloc.  */
3323
0
      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_NONE
3324
0
    || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_8
3325
0
    || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_MAX)
3326
0
  continue;
3327
3328
      /* Get the section contents if we haven't done so already.  */
3329
0
      if (contents == NULL)
3330
0
  {
3331
    /* Get cached copy if it exists.  */
3332
0
    if (elf_section_data (sec)->this_hdr.contents != NULL)
3333
0
      contents = elf_section_data (sec)->this_hdr.contents;
3334
0
    else
3335
0
      {
3336
        /* Go get them off disk.  */
3337
0
        if (!bfd_malloc_and_get_section (abfd, sec, &contents))
3338
0
    goto error_return;
3339
0
      }
3340
0
  }
3341
3342
      /* Read this BFD's symbols if we haven't done so already.  */
3343
0
      if (isymbuf == NULL && symtab_hdr->sh_info != 0)
3344
0
  {
3345
0
    isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
3346
0
    if (isymbuf == NULL)
3347
0
      isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
3348
0
              symtab_hdr->sh_info, 0,
3349
0
              NULL, NULL, NULL);
3350
0
    if (isymbuf == NULL)
3351
0
      goto error_return;
3352
0
  }
3353
3354
      /* Get the value of the symbol referred to by the reloc.  */
3355
0
      if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
3356
0
  {
3357
0
    Elf_Internal_Sym *isym;
3358
0
    const char *sym_name;
3359
0
    char *new_name;
3360
3361
    /* A local symbol.  */
3362
0
    isym = isymbuf + ELF32_R_SYM (irel->r_info);
3363
0
    if (isym->st_shndx == SHN_UNDEF)
3364
0
      sym_sec = bfd_und_section_ptr;
3365
0
    else if (isym->st_shndx == SHN_ABS)
3366
0
      sym_sec = bfd_abs_section_ptr;
3367
0
    else if (isym->st_shndx == SHN_COMMON)
3368
0
      sym_sec = bfd_com_section_ptr;
3369
0
    else
3370
0
      sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
3371
3372
0
    sym_name = bfd_elf_string_from_elf_section (abfd,
3373
0
                  symtab_hdr->sh_link,
3374
0
                  isym->st_name);
3375
3376
0
    if ((sym_sec->flags & SEC_MERGE)
3377
0
        && sym_sec->sec_info_type == SEC_INFO_TYPE_MERGE)
3378
0
      {
3379
0
        symval = isym->st_value;
3380
3381
        /* GAS may reduce relocations against symbols in SEC_MERGE
3382
     sections to a relocation against the section symbol when
3383
     the original addend was zero.  When the reloc is against
3384
     a section symbol we should include the addend in the
3385
     offset passed to _bfd_merged_section_offset, since the
3386
     location of interest is the original symbol.  On the
3387
     other hand, an access to "sym+addend" where "sym" is not
3388
     a section symbol should not include the addend;  Such an
3389
     access is presumed to be an offset from "sym";  The
3390
     location of interest is just "sym".  */
3391
0
        if (ELF_ST_TYPE (isym->st_info) == STT_SECTION)
3392
0
    symval += irel->r_addend;
3393
3394
0
        symval = _bfd_merged_section_offset (abfd, & sym_sec,
3395
0
               elf_section_data (sym_sec)->sec_info,
3396
0
               symval);
3397
3398
0
        if (ELF_ST_TYPE (isym->st_info) != STT_SECTION)
3399
0
    symval += irel->r_addend;
3400
3401
0
        symval += sym_sec->output_section->vma
3402
0
    + sym_sec->output_offset - irel->r_addend;
3403
0
      }
3404
0
    else
3405
0
      symval = (isym->st_value
3406
0
          + sym_sec->output_section->vma
3407
0
          + sym_sec->output_offset);
3408
3409
    /* Tack on an ID so we can uniquely identify this
3410
       local symbol in the global hash table.  */
3411
0
    new_name = bfd_malloc ((bfd_size_type) strlen (sym_name) + 10);
3412
0
    if (new_name == NULL)
3413
0
      goto error_return;
3414
0
    sprintf (new_name, "%s_%08x", sym_name, sym_sec->id);
3415
0
    sym_name = new_name;
3416
3417
0
    h = (struct elf32_mn10300_link_hash_entry *)
3418
0
    elf_link_hash_lookup (&hash_table->static_hash_table->root,
3419
0
              sym_name, false, false, false);
3420
0
    free (new_name);
3421
0
  }
3422
0
      else
3423
0
  {
3424
0
    unsigned long indx;
3425
3426
    /* An external symbol.  */
3427
0
    indx = ELF32_R_SYM (irel->r_info) - symtab_hdr->sh_info;
3428
0
    h = (struct elf32_mn10300_link_hash_entry *)
3429
0
    (elf_sym_hashes (abfd)[indx]);
3430
0
    BFD_ASSERT (h != NULL);
3431
0
    if (h->root.root.type != bfd_link_hash_defined
3432
0
        && h->root.root.type != bfd_link_hash_defweak)
3433
      /* This appears to be a reference to an undefined
3434
         symbol.  Just ignore it--it will be caught by the
3435
         regular reloc processing.  */
3436
0
      continue;
3437
3438
    /* Check for a reference to a discarded symbol and ignore it.  */
3439
0
    if (h->root.root.u.def.section->output_section == NULL)
3440
0
      continue;
3441
3442
0
    sym_sec = h->root.root.u.def.section->output_section;
3443
3444
0
    symval = (h->root.root.u.def.value
3445
0
        + h->root.root.u.def.section->output_section->vma
3446
0
        + h->root.root.u.def.section->output_offset);
3447
0
  }
3448
3449
      /* For simplicity of coding, we are going to modify the section
3450
   contents, the section relocs, and the BFD symbol table.  We
3451
   must tell the rest of the code not to free up this
3452
   information.  It would be possible to instead create a table
3453
   of changes which have to be made, as is done in coff-mips.c;
3454
   that would be more work, but would require less memory when
3455
   the linker is run.  */
3456
3457
      /* Try to turn a 32bit pc-relative branch/call into a 16bit pc-relative
3458
   branch/call, also deal with "call" -> "calls" conversions and
3459
   insertion of prologue data into "call" instructions.  */
3460
0
      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PCREL32
3461
0
    || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PLT32)
3462
0
  {
3463
0
    bfd_vma value = symval;
3464
3465
0
    if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PLT32
3466
0
        && h != NULL
3467
0
        && ELF_ST_VISIBILITY (h->root.other) != STV_INTERNAL
3468
0
        && ELF_ST_VISIBILITY (h->root.other) != STV_HIDDEN
3469
0
        && h->root.plt.offset != (bfd_vma) -1)
3470
0
      {
3471
0
        asection * splt;
3472
3473
0
        splt = hash_table->root.splt;
3474
0
        value = ((splt->output_section->vma
3475
0
      + splt->output_offset
3476
0
      + h->root.plt.offset)
3477
0
           - (sec->output_section->vma
3478
0
        + sec->output_offset
3479
0
        + irel->r_offset));
3480
0
      }
3481
3482
    /* If we've got a "call" instruction that needs to be turned
3483
       into a "calls" instruction, do so now.  It saves a byte.  */
3484
0
    if (h && (h->flags & MN10300_CONVERT_CALL_TO_CALLS))
3485
0
      {
3486
0
        unsigned char code;
3487
3488
        /* Get the opcode.  */
3489
0
        code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3490
3491
        /* Make sure we're working with a "call" instruction!  */
3492
0
        if (code == 0xdd)
3493
0
    {
3494
      /* Note that we've changed the relocs, section contents,
3495
         etc.  */
3496
0
      elf_section_data (sec)->relocs = internal_relocs;
3497
0
      elf_section_data (sec)->this_hdr.contents = contents;
3498
0
      symtab_hdr->contents = (unsigned char *) isymbuf;
3499
3500
      /* Fix the opcode.  */
3501
0
      bfd_put_8 (abfd, 0xfc, contents + irel->r_offset - 1);
3502
0
      bfd_put_8 (abfd, 0xff, contents + irel->r_offset);
3503
3504
      /* Fix irel->r_offset and irel->r_addend.  */
3505
0
      irel->r_offset += 1;
3506
0
      irel->r_addend += 1;
3507
3508
      /* Delete one byte of data.  */
3509
0
      if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3510
0
                   irel->r_offset + 3, 1))
3511
0
        goto error_return;
3512
3513
      /* That will change things, so, we should relax again.
3514
         Note that this is not required, and it may be slow.  */
3515
0
      *again = true;
3516
0
    }
3517
0
      }
3518
0
    else if (h)
3519
0
      {
3520
        /* We've got a "call" instruction which needs some data
3521
     from target function filled in.  */
3522
0
        unsigned char code;
3523
3524
        /* Get the opcode.  */
3525
0
        code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3526
3527
        /* Insert data from the target function into the "call"
3528
     instruction if needed.  */
3529
0
        if (code == 0xdd)
3530
0
    {
3531
0
      bfd_put_8 (abfd, h->movm_args, contents + irel->r_offset + 4);
3532
0
      bfd_put_8 (abfd, h->stack_size + h->movm_stack_size,
3533
0
           contents + irel->r_offset + 5);
3534
0
    }
3535
0
      }
3536
3537
    /* Deal with pc-relative gunk.  */
3538
0
    value -= (sec->output_section->vma + sec->output_offset);
3539
0
    value -= irel->r_offset;
3540
0
    value += irel->r_addend;
3541
3542
    /* See if the value will fit in 16 bits, note the high value is
3543
       0x7fff + 2 as the target will be two bytes closer if we are
3544
       able to relax, if it's in the same section.  */
3545
0
    if (sec->output_section == sym_sec->output_section)
3546
0
      jump_offset = 0x8001;
3547
0
    else
3548
0
      jump_offset = 0x7fff;
3549
3550
    /* Account for jumps across alignment boundaries using
3551
       align_gap_adjustment.  */
3552
0
    if ((bfd_signed_vma) value < jump_offset - (bfd_signed_vma) align_gap_adjustment
3553
0
        && ((bfd_signed_vma) value > -0x8000 + (bfd_signed_vma) align_gap_adjustment))
3554
0
      {
3555
0
        unsigned char code;
3556
3557
        /* Get the opcode.  */
3558
0
        code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3559
3560
0
        if (code != 0xdc && code != 0xdd && code != 0xff)
3561
0
    continue;
3562
3563
        /* Note that we've changed the relocs, section contents, etc.  */
3564
0
        elf_section_data (sec)->relocs = internal_relocs;
3565
0
        elf_section_data (sec)->this_hdr.contents = contents;
3566
0
        symtab_hdr->contents = (unsigned char *) isymbuf;
3567
3568
        /* Fix the opcode.  */
3569
0
        if (code == 0xdc)
3570
0
    bfd_put_8 (abfd, 0xcc, contents + irel->r_offset - 1);
3571
0
        else if (code == 0xdd)
3572
0
    bfd_put_8 (abfd, 0xcd, contents + irel->r_offset - 1);
3573
0
        else if (code == 0xff)
3574
0
    bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
3575
3576
        /* Fix the relocation's type.  */
3577
0
        irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
3578
0
             (ELF32_R_TYPE (irel->r_info)
3579
0
              == (int) R_MN10300_PLT32)
3580
0
             ? R_MN10300_PLT16 :
3581
0
             R_MN10300_PCREL16);
3582
3583
        /* Delete two bytes of data.  */
3584
0
        if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3585
0
               irel->r_offset + 1, 2))
3586
0
    goto error_return;
3587
3588
        /* That will change things, so, we should relax again.
3589
     Note that this is not required, and it may be slow.  */
3590
0
        *again = true;
3591
0
      }
3592
0
  }
3593
3594
      /* Try to turn a 16bit pc-relative branch into a 8bit pc-relative
3595
   branch.  */
3596
0
      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PCREL16)
3597
0
  {
3598
0
    bfd_vma value = symval;
3599
3600
    /* If we've got a "call" instruction that needs to be turned
3601
       into a "calls" instruction, do so now.  It saves a byte.  */
3602
0
    if (h && (h->flags & MN10300_CONVERT_CALL_TO_CALLS))
3603
0
      {
3604
0
        unsigned char code;
3605
3606
        /* Get the opcode.  */
3607
0
        code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3608
3609
        /* Make sure we're working with a "call" instruction!  */
3610
0
        if (code == 0xcd)
3611
0
    {
3612
      /* Note that we've changed the relocs, section contents,
3613
         etc.  */
3614
0
      elf_section_data (sec)->relocs = internal_relocs;
3615
0
      elf_section_data (sec)->this_hdr.contents = contents;
3616
0
      symtab_hdr->contents = (unsigned char *) isymbuf;
3617
3618
      /* Fix the opcode.  */
3619
0
      bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 1);
3620
0
      bfd_put_8 (abfd, 0xff, contents + irel->r_offset);
3621
3622
      /* Fix irel->r_offset and irel->r_addend.  */
3623
0
      irel->r_offset += 1;
3624
0
      irel->r_addend += 1;
3625
3626
      /* Delete one byte of data.  */
3627
0
      if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3628
0
                   irel->r_offset + 1, 1))
3629
0
        goto error_return;
3630
3631
      /* That will change things, so, we should relax again.
3632
         Note that this is not required, and it may be slow.  */
3633
0
      *again = true;
3634
0
    }
3635
0
      }
3636
0
    else if (h)
3637
0
      {
3638
0
        unsigned char code;
3639
3640
        /* Get the opcode.  */
3641
0
        code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3642
3643
        /* Insert data from the target function into the "call"
3644
     instruction if needed.  */
3645
0
        if (code == 0xcd)
3646
0
    {
3647
0
      bfd_put_8 (abfd, h->movm_args, contents + irel->r_offset + 2);
3648
0
      bfd_put_8 (abfd, h->stack_size + h->movm_stack_size,
3649
0
           contents + irel->r_offset + 3);
3650
0
    }
3651
0
      }
3652
3653
    /* Deal with pc-relative gunk.  */
3654
0
    value -= (sec->output_section->vma + sec->output_offset);
3655
0
    value -= irel->r_offset;
3656
0
    value += irel->r_addend;
3657
3658
    /* See if the value will fit in 8 bits, note the high value is
3659
       0x7f + 1 as the target will be one bytes closer if we are
3660
       able to relax.  */
3661
0
    if ((long) value < 0x80 && (long) value > -0x80)
3662
0
      {
3663
0
        unsigned char code;
3664
3665
        /* Get the opcode.  */
3666
0
        code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3667
3668
0
        if (code != 0xcc)
3669
0
    continue;
3670
3671
        /* Note that we've changed the relocs, section contents, etc.  */
3672
0
        elf_section_data (sec)->relocs = internal_relocs;
3673
0
        elf_section_data (sec)->this_hdr.contents = contents;
3674
0
        symtab_hdr->contents = (unsigned char *) isymbuf;
3675
3676
        /* Fix the opcode.  */
3677
0
        bfd_put_8 (abfd, 0xca, contents + irel->r_offset - 1);
3678
3679
        /* Fix the relocation's type.  */
3680
0
        irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
3681
0
             R_MN10300_PCREL8);
3682
3683
        /* Delete one byte of data.  */
3684
0
        if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3685
0
               irel->r_offset + 1, 1))
3686
0
    goto error_return;
3687
3688
        /* That will change things, so, we should relax again.
3689
     Note that this is not required, and it may be slow.  */
3690
0
        *again = true;
3691
0
      }
3692
0
  }
3693
3694
      /* Try to eliminate an unconditional 8 bit pc-relative branch
3695
   which immediately follows a conditional 8 bit pc-relative
3696
   branch around the unconditional branch.
3697
3698
      original:   new:
3699
      bCC lab1    bCC' lab2
3700
      bra lab2
3701
     lab1:         lab1:
3702
3703
   This happens when the bCC can't reach lab2 at assembly time,
3704
   but due to other relaxations it can reach at link time.  */
3705
0
      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_PCREL8)
3706
0
  {
3707
0
    Elf_Internal_Rela *nrel;
3708
0
    unsigned char code;
3709
3710
    /* Do nothing if this reloc is the last byte in the section.  */
3711
0
    if (irel->r_offset == sec->size)
3712
0
      continue;
3713
3714
    /* See if the next instruction is an unconditional pc-relative
3715
       branch, more often than not this test will fail, so we
3716
       test it first to speed things up.  */
3717
0
    code = bfd_get_8 (abfd, contents + irel->r_offset + 1);
3718
0
    if (code != 0xca)
3719
0
      continue;
3720
3721
    /* Also make sure the next relocation applies to the next
3722
       instruction and that it's a pc-relative 8 bit branch.  */
3723
0
    nrel = irel + 1;
3724
0
    if (nrel == irelend
3725
0
        || irel->r_offset + 2 != nrel->r_offset
3726
0
        || ELF32_R_TYPE (nrel->r_info) != (int) R_MN10300_PCREL8)
3727
0
      continue;
3728
3729
    /* Make sure our destination immediately follows the
3730
       unconditional branch.  */
3731
0
    if (symval != (sec->output_section->vma + sec->output_offset
3732
0
       + irel->r_offset + 3))
3733
0
      continue;
3734
3735
    /* Now make sure we are a conditional branch.  This may not
3736
       be necessary, but why take the chance.
3737
3738
       Note these checks assume that R_MN10300_PCREL8 relocs
3739
       only occur on bCC and bCCx insns.  If they occured
3740
       elsewhere, we'd need to know the start of this insn
3741
       for this check to be accurate.  */
3742
0
    code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
3743
0
    if (code != 0xc0 && code != 0xc1 && code != 0xc2
3744
0
        && code != 0xc3 && code != 0xc4 && code != 0xc5
3745
0
        && code != 0xc6 && code != 0xc7 && code != 0xc8
3746
0
        && code != 0xc9 && code != 0xe8 && code != 0xe9
3747
0
        && code != 0xea && code != 0xeb)
3748
0
      continue;
3749
3750
    /* We also have to be sure there is no symbol/label
3751
       at the unconditional branch.  */
3752
0
    if (mn10300_elf_symbol_address_p (abfd, sec, isymbuf,
3753
0
              irel->r_offset + 1))
3754
0
      continue;
3755
3756
    /* Note that we've changed the relocs, section contents, etc.  */
3757
0
    elf_section_data (sec)->relocs = internal_relocs;
3758
0
    elf_section_data (sec)->this_hdr.contents = contents;
3759
0
    symtab_hdr->contents = (unsigned char *) isymbuf;
3760
3761
    /* Reverse the condition of the first branch.  */
3762
0
    switch (code)
3763
0
      {
3764
0
      case 0xc8:
3765
0
        code = 0xc9;
3766
0
        break;
3767
0
      case 0xc9:
3768
0
        code = 0xc8;
3769
0
        break;
3770
0
      case 0xc0:
3771
0
        code = 0xc2;
3772
0
        break;
3773
0
      case 0xc2:
3774
0
        code = 0xc0;
3775
0
        break;
3776
0
      case 0xc3:
3777
0
        code = 0xc1;
3778
0
        break;
3779
0
      case 0xc1:
3780
0
        code = 0xc3;
3781
0
        break;
3782
0
      case 0xc4:
3783
0
        code = 0xc6;
3784
0
        break;
3785
0
      case 0xc6:
3786
0
        code = 0xc4;
3787
0
        break;
3788
0
      case 0xc7:
3789
0
        code = 0xc5;
3790
0
        break;
3791
0
      case 0xc5:
3792
0
        code = 0xc7;
3793
0
        break;
3794
0
      case 0xe8:
3795
0
        code = 0xe9;
3796
0
        break;
3797
0
      case 0x9d:
3798
0
        code = 0xe8;
3799
0
        break;
3800
0
      case 0xea:
3801
0
        code = 0xeb;
3802
0
        break;
3803
0
      case 0xeb:
3804
0
        code = 0xea;
3805
0
        break;
3806
0
      }
3807
0
    bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
3808
3809
    /* Set the reloc type and symbol for the first branch
3810
       from the second branch.  */
3811
0
    irel->r_info = nrel->r_info;
3812
3813
    /* Make the reloc for the second branch a null reloc.  */
3814
0
    nrel->r_info = ELF32_R_INFO (ELF32_R_SYM (nrel->r_info),
3815
0
               R_MN10300_NONE);
3816
3817
    /* Delete two bytes of data.  */
3818
0
    if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3819
0
                 irel->r_offset + 1, 2))
3820
0
      goto error_return;
3821
3822
    /* That will change things, so, we should relax again.
3823
       Note that this is not required, and it may be slow.  */
3824
0
    *again = true;
3825
0
  }
3826
3827
      /* Try to turn a 24 immediate, displacement or absolute address
3828
   into a 8 immediate, displacement or absolute address.  */
3829
0
      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_24)
3830
0
  {
3831
0
    bfd_vma value = symval;
3832
0
    value += irel->r_addend;
3833
3834
    /* See if the value will fit in 8 bits.  */
3835
0
    if ((long) value < 0x7f && (long) value > -0x80)
3836
0
      {
3837
0
        unsigned char code;
3838
3839
        /* AM33 insns which have 24 operands are 6 bytes long and
3840
     will have 0xfd as the first byte.  */
3841
3842
        /* Get the first opcode.  */
3843
0
        code = bfd_get_8 (abfd, contents + irel->r_offset - 3);
3844
3845
0
        if (code == 0xfd)
3846
0
    {
3847
      /* Get the second opcode.  */
3848
0
      code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
3849
3850
      /* We can not relax 0x6b, 0x7b, 0x8b, 0x9b as no 24bit
3851
         equivalent instructions exists.  */
3852
0
      if (code != 0x6b && code != 0x7b
3853
0
          && code != 0x8b && code != 0x9b
3854
0
          && ((code & 0x0f) == 0x09 || (code & 0x0f) == 0x08
3855
0
        || (code & 0x0f) == 0x0a || (code & 0x0f) == 0x0b
3856
0
        || (code & 0x0f) == 0x0e))
3857
0
        {
3858
          /* Not safe if the high bit is on as relaxing may
3859
       move the value out of high mem and thus not fit
3860
       in a signed 8bit value.  This is currently over
3861
       conservative.  */
3862
0
          if ((value & 0x80) == 0)
3863
0
      {
3864
        /* Note that we've changed the relocation contents,
3865
           etc.  */
3866
0
        elf_section_data (sec)->relocs = internal_relocs;
3867
0
        elf_section_data (sec)->this_hdr.contents = contents;
3868
0
        symtab_hdr->contents = (unsigned char *) isymbuf;
3869
3870
        /* Fix the opcode.  */
3871
0
        bfd_put_8 (abfd, 0xfb, contents + irel->r_offset - 3);
3872
0
        bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
3873
3874
        /* Fix the relocation's type.  */
3875
0
        irel->r_info =
3876
0
          ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
3877
0
            R_MN10300_8);
3878
3879
        /* Delete two bytes of data.  */
3880
0
        if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3881
0
                     irel->r_offset + 1, 2))
3882
0
          goto error_return;
3883
3884
        /* That will change things, so, we should relax
3885
           again.  Note that this is not required, and it
3886
           may be slow.  */
3887
0
        *again = true;
3888
0
        break;
3889
0
      }
3890
0
        }
3891
0
    }
3892
0
      }
3893
0
  }
3894
3895
      /* Try to turn a 32bit immediate, displacement or absolute address
3896
   into a 16bit immediate, displacement or absolute address.  */
3897
0
      if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_32
3898
0
    || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOT32
3899
0
    || ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOTOFF32)
3900
0
  {
3901
0
    bfd_vma value = symval;
3902
3903
0
    if (ELF32_R_TYPE (irel->r_info) != (int) R_MN10300_32)
3904
0
      {
3905
0
        asection * sgot;
3906
3907
0
        sgot = hash_table->root.sgot;
3908
0
        if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOT32)
3909
0
    {
3910
0
      value = sgot->output_offset;
3911
3912
0
      if (h)
3913
0
        value += h->root.got.offset;
3914
0
      else
3915
0
        value += (elf_local_got_offsets
3916
0
            (abfd)[ELF32_R_SYM (irel->r_info)]);
3917
0
    }
3918
0
        else if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOTOFF32)
3919
0
    value -= sgot->output_section->vma;
3920
0
        else if (ELF32_R_TYPE (irel->r_info) == (int) R_MN10300_GOTPC32)
3921
0
    value = (sgot->output_section->vma
3922
0
       - (sec->output_section->vma
3923
0
          + sec->output_offset
3924
0
          + irel->r_offset));
3925
0
        else
3926
0
    abort ();
3927
0
      }
3928
3929
0
    value += irel->r_addend;
3930
3931
    /* See if the value will fit in 24 bits.
3932
       We allow any 16bit match here.  We prune those we can't
3933
       handle below.  */
3934
0
    if (value + 0x800000 < 0x1000000 && irel->r_offset >= 3)
3935
0
      {
3936
0
        unsigned char code;
3937
3938
        /* AM33 insns which have 32bit operands are 7 bytes long and
3939
     will have 0xfe as the first byte.  */
3940
3941
        /* Get the first opcode.  */
3942
0
        code = bfd_get_8 (abfd, contents + irel->r_offset - 3);
3943
3944
0
        if (code == 0xfe)
3945
0
    {
3946
      /* Get the second opcode.  */
3947
0
      code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
3948
3949
      /* All the am33 32 -> 24 relaxing possibilities.  */
3950
      /* We can not relax 0x6b, 0x7b, 0x8b, 0x9b as no 24bit
3951
         equivalent instructions exists.  */
3952
0
      if (code != 0x6b && code != 0x7b
3953
0
          && code != 0x8b && code != 0x9b
3954
0
          && (ELF32_R_TYPE (irel->r_info)
3955
0
        != (int) R_MN10300_GOTPC32)
3956
0
          && ((code & 0x0f) == 0x09 || (code & 0x0f) == 0x08
3957
0
        || (code & 0x0f) == 0x0a || (code & 0x0f) == 0x0b
3958
0
        || (code & 0x0f) == 0x0e))
3959
0
        {
3960
          /* Not safe if the high bit is on as relaxing may
3961
       move the value out of high mem and thus not fit
3962
       in a signed 16bit value.  This is currently over
3963
       conservative.  */
3964
0
          if ((value & 0x8000) == 0)
3965
0
      {
3966
        /* Note that we've changed the relocation contents,
3967
           etc.  */
3968
0
        elf_section_data (sec)->relocs = internal_relocs;
3969
0
        elf_section_data (sec)->this_hdr.contents = contents;
3970
0
        symtab_hdr->contents = (unsigned char *) isymbuf;
3971
3972
        /* Fix the opcode.  */
3973
0
        bfd_put_8 (abfd, 0xfd, contents + irel->r_offset - 3);
3974
0
        bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
3975
3976
        /* Fix the relocation's type.  */
3977
0
        irel->r_info =
3978
0
          ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
3979
0
            (ELF32_R_TYPE (irel->r_info)
3980
0
             == (int) R_MN10300_GOTOFF32)
3981
0
            ? R_MN10300_GOTOFF24
3982
0
            : (ELF32_R_TYPE (irel->r_info)
3983
0
               == (int) R_MN10300_GOT32)
3984
0
            ? R_MN10300_GOT24 :
3985
0
            R_MN10300_24);
3986
3987
        /* Delete one byte of data.  */
3988
0
        if (!mn10300_elf_relax_delete_bytes (abfd, sec,
3989
0
                     irel->r_offset + 3, 1))
3990
0
          goto error_return;
3991
3992
        /* That will change things, so, we should relax
3993
           again.  Note that this is not required, and it
3994
           may be slow.  */
3995
0
        *again = true;
3996
0
        break;
3997
0
      }
3998
0
        }
3999
0
    }
4000
0
      }
4001
4002
    /* See if the value will fit in 16 bits.
4003
       We allow any 16bit match here.  We prune those we can't
4004
       handle below.  */
4005
0
    if (value + 0x8000 < 0x10000 && irel->r_offset >= 2)
4006
0
      {
4007
0
        unsigned char code;
4008
4009
        /* Most insns which have 32bit operands are 6 bytes long;
4010
     exceptions are pcrel insns and bit insns.
4011
4012
     We handle pcrel insns above.  We don't bother trying
4013
     to handle the bit insns here.
4014
4015
     The first byte of the remaining insns will be 0xfc.  */
4016
4017
        /* Get the first opcode.  */
4018
0
        code = bfd_get_8 (abfd, contents + irel->r_offset - 2);
4019
4020
0
        if (code != 0xfc)
4021
0
    continue;
4022
4023
        /* Get the second opcode.  */
4024
0
        code = bfd_get_8 (abfd, contents + irel->r_offset - 1);
4025
4026
0
        if ((code & 0xf0) < 0x80)
4027
0
    switch (code & 0xf0)
4028
0
      {
4029
      /* mov (d32,am),dn   -> mov (d32,am),dn
4030
         mov dm,(d32,am)   -> mov dn,(d32,am)
4031
         mov (d32,am),an   -> mov (d32,am),an
4032
         mov dm,(d32,am)   -> mov dn,(d32,am)
4033
         movbu (d32,am),dn -> movbu (d32,am),dn
4034
         movbu dm,(d32,am) -> movbu dn,(d32,am)
4035
         movhu (d32,am),dn -> movhu (d32,am),dn
4036
         movhu dm,(d32,am) -> movhu dn,(d32,am) */
4037
0
      case 0x00:
4038
0
      case 0x10:
4039
0
      case 0x20:
4040
0
      case 0x30:
4041
0
      case 0x40:
4042
0
      case 0x50:
4043
0
      case 0x60:
4044
0
      case 0x70:
4045
        /* Not safe if the high bit is on as relaxing may
4046
           move the value out of high mem and thus not fit
4047
           in a signed 16bit value.  */
4048
0
        if (code == 0xcc
4049
0
      && (value & 0x8000))
4050
0
          continue;
4051
4052
        /* Note that we've changed the relocation contents, etc.  */
4053
0
        elf_section_data (sec)->relocs = internal_relocs;
4054
0
        elf_section_data (sec)->this_hdr.contents = contents;
4055
0
        symtab_hdr->contents = (unsigned char *) isymbuf;
4056
4057
        /* Fix the opcode.  */
4058
0
        bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
4059
0
        bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
4060
4061
        /* Fix the relocation's type.  */
4062
0
        irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
4063
0
             (ELF32_R_TYPE (irel->r_info)
4064
0
              == (int) R_MN10300_GOTOFF32)
4065
0
             ? R_MN10300_GOTOFF16
4066
0
             : (ELF32_R_TYPE (irel->r_info)
4067
0
                == (int) R_MN10300_GOT32)
4068
0
             ? R_MN10300_GOT16
4069
0
             : (ELF32_R_TYPE (irel->r_info)
4070
0
                == (int) R_MN10300_GOTPC32)
4071
0
             ? R_MN10300_GOTPC16 :
4072
0
             R_MN10300_16);
4073
4074
        /* Delete two bytes of data.  */
4075
0
        if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4076
0
               irel->r_offset + 2, 2))
4077
0
          goto error_return;
4078
4079
        /* That will change things, so, we should relax again.
4080
           Note that this is not required, and it may be slow.  */
4081
0
        *again = true;
4082
0
        break;
4083
0
      }
4084
0
        else if ((code & 0xf0) == 0x80
4085
0
           || (code & 0xf0) == 0x90)
4086
0
    switch (code & 0xf3)
4087
0
      {
4088
      /* mov dn,(abs32)   -> mov dn,(abs16)
4089
         movbu dn,(abs32) -> movbu dn,(abs16)
4090
         movhu dn,(abs32) -> movhu dn,(abs16)  */
4091
0
      case 0x81:
4092
0
      case 0x82:
4093
0
      case 0x83:
4094
        /* Note that we've changed the relocation contents, etc.  */
4095
0
        elf_section_data (sec)->relocs = internal_relocs;
4096
0
        elf_section_data (sec)->this_hdr.contents = contents;
4097
0
        symtab_hdr->contents = (unsigned char *) isymbuf;
4098
4099
0
        if ((code & 0xf3) == 0x81)
4100
0
          code = 0x01 + (code & 0x0c);
4101
0
        else if ((code & 0xf3) == 0x82)
4102
0
          code = 0x02 + (code & 0x0c);
4103
0
        else if ((code & 0xf3) == 0x83)
4104
0
          code = 0x03 + (code & 0x0c);
4105
0
        else
4106
0
          abort ();
4107
4108
        /* Fix the opcode.  */
4109
0
        bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
4110
4111
        /* Fix the relocation's type.  */
4112
0
        irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
4113
0
             (ELF32_R_TYPE (irel->r_info)
4114
0
              == (int) R_MN10300_GOTOFF32)
4115
0
             ? R_MN10300_GOTOFF16
4116
0
             : (ELF32_R_TYPE (irel->r_info)
4117
0
                == (int) R_MN10300_GOT32)
4118
0
             ? R_MN10300_GOT16
4119
0
             : (ELF32_R_TYPE (irel->r_info)
4120
0
                == (int) R_MN10300_GOTPC32)
4121
0
             ? R_MN10300_GOTPC16 :
4122
0
             R_MN10300_16);
4123
4124
        /* The opcode got shorter too, so we have to fix the
4125
           addend and offset too!  */
4126
0
        irel->r_offset -= 1;
4127
4128
        /* Delete three bytes of data.  */
4129
0
        if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4130
0
               irel->r_offset + 1, 3))
4131
0
          goto error_return;
4132
4133
        /* That will change things, so, we should relax again.
4134
           Note that this is not required, and it may be slow.  */
4135
0
        *again = true;
4136
0
        break;
4137
4138
      /* mov am,(abs32)    -> mov am,(abs16)
4139
         mov am,(d32,sp)   -> mov am,(d16,sp)
4140
         mov dm,(d32,sp)   -> mov dm,(d32,sp)
4141
         movbu dm,(d32,sp) -> movbu dm,(d32,sp)
4142
         movhu dm,(d32,sp) -> movhu dm,(d32,sp) */
4143
0
      case 0x80:
4144
0
      case 0x90:
4145
0
      case 0x91:
4146
0
      case 0x92:
4147
0
      case 0x93:
4148
        /* sp-based offsets are zero-extended.  */
4149
0
        if (code >= 0x90 && code <= 0x93
4150
0
      && (long) value < 0)
4151
0
          continue;
4152
4153
        /* Note that we've changed the relocation contents, etc.  */
4154
0
        elf_section_data (sec)->relocs = internal_relocs;
4155
0
        elf_section_data (sec)->this_hdr.contents = contents;
4156
0
        symtab_hdr->contents = (unsigned char *) isymbuf;
4157
4158
        /* Fix the opcode.  */
4159
0
        bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
4160
0
        bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
4161
4162
        /* Fix the relocation's type.  */
4163
0
        irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
4164
0
             (ELF32_R_TYPE (irel->r_info)
4165
0
              == (int) R_MN10300_GOTOFF32)
4166
0
             ? R_MN10300_GOTOFF16
4167
0
             : (ELF32_R_TYPE (irel->r_info)
4168
0
                == (int) R_MN10300_GOT32)
4169
0
             ? R_MN10300_GOT16
4170
0
             : (ELF32_R_TYPE (irel->r_info)
4171
0
                == (int) R_MN10300_GOTPC32)
4172
0
             ? R_MN10300_GOTPC16 :
4173
0
             R_MN10300_16);
4174
4175
        /* Delete two bytes of data.  */
4176
0
        if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4177
0
               irel->r_offset + 2, 2))
4178
0
          goto error_return;
4179
4180
        /* That will change things, so, we should relax again.
4181
           Note that this is not required, and it may be slow.  */
4182
0
        *again = true;
4183
0
        break;
4184
0
      }
4185
0
        else if ((code & 0xf0) < 0xf0)
4186
0
    switch (code & 0xfc)
4187
0
      {
4188
      /* mov imm32,dn     -> mov imm16,dn
4189
         mov imm32,an     -> mov imm16,an
4190
         mov (abs32),dn   -> mov (abs16),dn
4191
         movbu (abs32),dn -> movbu (abs16),dn
4192
         movhu (abs32),dn -> movhu (abs16),dn  */
4193
0
      case 0xcc:
4194
0
      case 0xdc:
4195
0
      case 0xa4:
4196
0
      case 0xa8:
4197
0
      case 0xac:
4198
        /* Not safe if the high bit is on as relaxing may
4199
           move the value out of high mem and thus not fit
4200
           in a signed 16bit value.  */
4201
0
        if (code == 0xcc
4202
0
      && (value & 0x8000))
4203
0
          continue;
4204
4205
        /* "mov imm16, an" zero-extends the immediate.  */
4206
0
        if ((code & 0xfc) == 0xdc
4207
0
      && (long) value < 0)
4208
0
          continue;
4209
4210
        /* Note that we've changed the relocation contents, etc.  */
4211
0
        elf_section_data (sec)->relocs = internal_relocs;
4212
0
        elf_section_data (sec)->this_hdr.contents = contents;
4213
0
        symtab_hdr->contents = (unsigned char *) isymbuf;
4214
4215
0
        if ((code & 0xfc) == 0xcc)
4216
0
          code = 0x2c + (code & 0x03);
4217
0
        else if ((code & 0xfc) == 0xdc)
4218
0
          code = 0x24 + (code & 0x03);
4219
0
        else if ((code & 0xfc) == 0xa4)
4220
0
          code = 0x30 + (code & 0x03);
4221
0
        else if ((code & 0xfc) == 0xa8)
4222
0
          code = 0x34 + (code & 0x03);
4223
0
        else if ((code & 0xfc) == 0xac)
4224
0
          code = 0x38 + (code & 0x03);
4225
0
        else
4226
0
          abort ();
4227
4228
        /* Fix the opcode.  */
4229
0
        bfd_put_8 (abfd, code, contents + irel->r_offset - 2);
4230
4231
        /* Fix the relocation's type.  */
4232
0
        irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
4233
0
             (ELF32_R_TYPE (irel->r_info)
4234
0
              == (int) R_MN10300_GOTOFF32)
4235
0
             ? R_MN10300_GOTOFF16
4236
0
             : (ELF32_R_TYPE (irel->r_info)
4237
0
                == (int) R_MN10300_GOT32)
4238
0
             ? R_MN10300_GOT16
4239
0
             : (ELF32_R_TYPE (irel->r_info)
4240
0
                == (int) R_MN10300_GOTPC32)
4241
0
             ? R_MN10300_GOTPC16 :
4242
0
             R_MN10300_16);
4243
4244
        /* The opcode got shorter too, so we have to fix the
4245
           addend and offset too!  */
4246
0
        irel->r_offset -= 1;
4247
4248
        /* Delete three bytes of data.  */
4249
0
        if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4250
0
               irel->r_offset + 1, 3))
4251
0
          goto error_return;
4252
4253
        /* That will change things, so, we should relax again.
4254
           Note that this is not required, and it may be slow.  */
4255
0
        *again = true;
4256
0
        break;
4257
4258
      /* mov (abs32),an    -> mov (abs16),an
4259
         mov (d32,sp),an   -> mov (d16,sp),an
4260
         mov (d32,sp),dn   -> mov (d16,sp),dn
4261
         movbu (d32,sp),dn -> movbu (d16,sp),dn
4262
         movhu (d32,sp),dn -> movhu (d16,sp),dn
4263
         add imm32,dn      -> add imm16,dn
4264
         cmp imm32,dn      -> cmp imm16,dn
4265
         add imm32,an      -> add imm16,an
4266
         cmp imm32,an      -> cmp imm16,an
4267
         and imm32,dn      -> and imm16,dn
4268
         or imm32,dn       -> or imm16,dn
4269
         xor imm32,dn      -> xor imm16,dn
4270
         btst imm32,dn     -> btst imm16,dn */
4271
4272
0
      case 0xa0:
4273
0
      case 0xb0:
4274
0
      case 0xb1:
4275
0
      case 0xb2:
4276
0
      case 0xb3:
4277
0
      case 0xc0:
4278
0
      case 0xc8:
4279
4280
0
      case 0xd0:
4281
0
      case 0xd8:
4282
0
      case 0xe0:
4283
0
      case 0xe1:
4284
0
      case 0xe2:
4285
0
      case 0xe3:
4286
        /* cmp imm16, an zero-extends the immediate.  */
4287
0
        if (code == 0xdc
4288
0
      && (long) value < 0)
4289
0
          continue;
4290
4291
        /* So do sp-based offsets.  */
4292
0
        if (code >= 0xb0 && code <= 0xb3
4293
0
      && (long) value < 0)
4294
0
          continue;
4295
4296
        /* Note that we've changed the relocation contents, etc.  */
4297
0
        elf_section_data (sec)->relocs = internal_relocs;
4298
0
        elf_section_data (sec)->this_hdr.contents = contents;
4299
0
        symtab_hdr->contents = (unsigned char *) isymbuf;
4300
4301
        /* Fix the opcode.  */
4302
0
        bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
4303
0
        bfd_put_8 (abfd, code, contents + irel->r_offset - 1);
4304
4305
        /* Fix the relocation's type.  */
4306
0
        irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
4307
0
             (ELF32_R_TYPE (irel->r_info)
4308
0
              == (int) R_MN10300_GOTOFF32)
4309
0
             ? R_MN10300_GOTOFF16
4310
0
             : (ELF32_R_TYPE (irel->r_info)
4311
0
                == (int) R_MN10300_GOT32)
4312
0
             ? R_MN10300_GOT16
4313
0
             : (ELF32_R_TYPE (irel->r_info)
4314
0
                == (int) R_MN10300_GOTPC32)
4315
0
             ? R_MN10300_GOTPC16 :
4316
0
             R_MN10300_16);
4317
4318
        /* Delete two bytes of data.  */
4319
0
        if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4320
0
               irel->r_offset + 2, 2))
4321
0
          goto error_return;
4322
4323
        /* That will change things, so, we should relax again.
4324
           Note that this is not required, and it may be slow.  */
4325
0
        *again = true;
4326
0
        break;
4327
0
      }
4328
0
        else if (code == 0xfe)
4329
0
    {
4330
      /* add imm32,sp -> add imm16,sp  */
4331
4332
      /* Note that we've changed the relocation contents, etc.  */
4333
0
      elf_section_data (sec)->relocs = internal_relocs;
4334
0
      elf_section_data (sec)->this_hdr.contents = contents;
4335
0
      symtab_hdr->contents = (unsigned char *) isymbuf;
4336
4337
      /* Fix the opcode.  */
4338
0
      bfd_put_8 (abfd, 0xfa, contents + irel->r_offset - 2);
4339
0
      bfd_put_8 (abfd, 0xfe, contents + irel->r_offset - 1);
4340
4341
      /* Fix the relocation's type.  */
4342
0
      irel->r_info = ELF32_R_INFO (ELF32_R_SYM (irel->r_info),
4343
0
                 (ELF32_R_TYPE (irel->r_info)
4344
0
            == (int) R_MN10300_GOT32)
4345
0
                 ? R_MN10300_GOT16
4346
0
                 : (ELF32_R_TYPE (irel->r_info)
4347
0
              == (int) R_MN10300_GOTOFF32)
4348
0
                 ? R_MN10300_GOTOFF16
4349
0
                 : (ELF32_R_TYPE (irel->r_info)
4350
0
              == (int) R_MN10300_GOTPC32)
4351
0
                 ? R_MN10300_GOTPC16 :
4352
0
                 R_MN10300_16);
4353
4354
      /* Delete two bytes of data.  */
4355
0
      if (!mn10300_elf_relax_delete_bytes (abfd, sec,
4356
0
                   irel->r_offset + 2, 2))
4357
0
        goto error_return;
4358
4359
      /* That will change things, so, we should relax again.
4360
         Note that this is not required, and it may be slow.  */
4361
0
      *again = true;
4362
0
      break;
4363
0
    }
4364
0
      }
4365
0
  }
4366
0
    }
4367
4368
0
  if (isymbuf != NULL
4369
0
      && symtab_hdr->contents != (unsigned char *) isymbuf)
4370
0
    {
4371
0
      if (! link_info->keep_memory)
4372
0
  free (isymbuf);
4373
0
      else
4374
0
  {
4375
    /* Cache the symbols for elf_link_input_bfd.  */
4376
0
    symtab_hdr->contents = (unsigned char *) isymbuf;
4377
0
  }
4378
0
    }
4379
4380
0
  if (contents != NULL
4381
0
      && elf_section_data (sec)->this_hdr.contents != contents)
4382
0
    {
4383
0
      if (! link_info->keep_memory)
4384
0
  free (contents);
4385
0
      else
4386
0
  {
4387
    /* Cache the section contents for elf_link_input_bfd.  */
4388
0
    elf_section_data (sec)->this_hdr.contents = contents;
4389
0
  }
4390
0
    }
4391
4392
0
  if (elf_section_data (sec)->relocs != internal_relocs)
4393
0
    free (internal_relocs);
4394
4395
0
  return true;
4396
4397
0
 error_return:
4398
0
  if (symtab_hdr->contents != (unsigned char *) isymbuf)
4399
0
    free (isymbuf);
4400
0
  if (elf_section_data (section)->this_hdr.contents != contents)
4401
0
    free (contents);
4402
0
  if (elf_section_data (section)->relocs != internal_relocs)
4403
0
    free (internal_relocs);
4404
4405
0
  return false;
4406
0
}
Unexecuted instantiation: elf-m10300.c:mn10300_elf_relax_section
Unexecuted instantiation: elf32-am33lin.c:mn10300_elf_relax_section
4407
4408
/* This is a version of bfd_generic_get_relocated_section_contents
4409
   which uses mn10300_elf_relocate_section.  */
4410
4411
static bfd_byte *
4412
mn10300_elf_get_relocated_section_contents (bfd *output_bfd,
4413
              struct bfd_link_info *link_info,
4414
              struct bfd_link_order *link_order,
4415
              bfd_byte *data,
4416
              bool relocatable,
4417
              asymbol **symbols)
4418
0
{
4419
0
  Elf_Internal_Shdr *symtab_hdr;
4420
0
  asection *input_section = link_order->u.indirect.section;
4421
0
  bfd *input_bfd = input_section->owner;
4422
0
  asection **sections = NULL;
4423
0
  Elf_Internal_Rela *internal_relocs = NULL;
4424
0
  Elf_Internal_Sym *isymbuf = NULL;
4425
4426
  /* We only need to handle the case of relaxing, or of having a
4427
     particular set of section contents, specially.  */
4428
0
  if (relocatable
4429
0
      || elf_section_data (input_section)->this_hdr.contents == NULL)
4430
0
    return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
4431
0
                   link_order, data,
4432
0
                   relocatable,
4433
0
                   symbols);
4434
4435
0
  symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
4436
4437
0
  bfd_byte *orig_data = data;
4438
0
  if (data == NULL)
4439
0
    {
4440
0
      data = bfd_malloc (input_section->size);
4441
0
      if (data == NULL)
4442
0
  return NULL;
4443
0
    }
4444
0
  memcpy (data, elf_section_data (input_section)->this_hdr.contents,
4445
0
    (size_t) input_section->size);
4446
4447
0
  if ((input_section->flags & SEC_RELOC) != 0
4448
0
      && input_section->reloc_count > 0)
4449
0
    {
4450
0
      asection **secpp;
4451
0
      Elf_Internal_Sym *isym, *isymend;
4452
0
      bfd_size_type amt;
4453
4454
0
      internal_relocs = _bfd_elf_link_read_relocs (input_bfd, input_section,
4455
0
               NULL, NULL, false);
4456
0
      if (internal_relocs == NULL)
4457
0
  goto error_return;
4458
4459
0
      if (symtab_hdr->sh_info != 0)
4460
0
  {
4461
0
    isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
4462
0
    if (isymbuf == NULL)
4463
0
      isymbuf = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
4464
0
              symtab_hdr->sh_info, 0,
4465
0
              NULL, NULL, NULL);
4466
0
    if (isymbuf == NULL)
4467
0
      goto error_return;
4468
0
  }
4469
4470
0
      amt = symtab_hdr->sh_info;
4471
0
      amt *= sizeof (asection *);
4472
0
      sections = bfd_malloc (amt);
4473
0
      if (sections == NULL && amt != 0)
4474
0
  goto error_return;
4475
4476
0
      isymend = isymbuf + symtab_hdr->sh_info;
4477
0
      for (isym = isymbuf, secpp = sections; isym < isymend; ++isym, ++secpp)
4478
0
  {
4479
0
    asection *isec;
4480
4481
0
    if (isym->st_shndx == SHN_UNDEF)
4482
0
      isec = bfd_und_section_ptr;
4483
0
    else if (isym->st_shndx == SHN_ABS)
4484
0
      isec = bfd_abs_section_ptr;
4485
0
    else if (isym->st_shndx == SHN_COMMON)
4486
0
      isec = bfd_com_section_ptr;
4487
0
    else
4488
0
      isec = bfd_section_from_elf_index (input_bfd, isym->st_shndx);
4489
4490
0
    *secpp = isec;
4491
0
  }
4492
4493
0
      if (! mn10300_elf_relocate_section (output_bfd, link_info, input_bfd,
4494
0
            input_section, data, internal_relocs,
4495
0
            isymbuf, sections))
4496
0
  goto error_return;
4497
4498
0
      free (sections);
4499
0
      if (symtab_hdr->contents != (unsigned char *) isymbuf)
4500
0
  free (isymbuf);
4501
0
      if (internal_relocs != elf_section_data (input_section)->relocs)
4502
0
  free (internal_relocs);
4503
0
    }
4504
4505
0
  return data;
4506
4507
0
 error_return:
4508
0
  free (sections);
4509
0
  if (symtab_hdr->contents != (unsigned char *) isymbuf)
4510
0
    free (isymbuf);
4511
0
  if (internal_relocs != elf_section_data (input_section)->relocs)
4512
0
    free (internal_relocs);
4513
0
  if (orig_data == NULL)
4514
0
    free (data);
4515
0
  return NULL;
4516
0
}
Unexecuted instantiation: elf-m10300.c:mn10300_elf_get_relocated_section_contents
Unexecuted instantiation: elf32-am33lin.c:mn10300_elf_get_relocated_section_contents
4517
4518
/* Assorted hash table functions.  */
4519
4520
/* Initialize an entry in the link hash table.  */
4521
4522
/* Create an entry in an MN10300 ELF linker hash table.  */
4523
4524
static struct bfd_hash_entry *
4525
elf32_mn10300_link_hash_newfunc (struct bfd_hash_entry *entry,
4526
         struct bfd_hash_table *table,
4527
         const char *string)
4528
0
{
4529
0
  struct elf32_mn10300_link_hash_entry *ret =
4530
0
    (struct elf32_mn10300_link_hash_entry *) entry;
4531
4532
  /* Allocate the structure if it has not already been allocated by a
4533
     subclass.  */
4534
0
  if (ret == NULL)
4535
0
    ret = (struct elf32_mn10300_link_hash_entry *)
4536
0
     bfd_hash_allocate (table, sizeof (* ret));
4537
0
  if (ret == NULL)
4538
0
    return (struct bfd_hash_entry *) ret;
4539
4540
  /* Call the allocation method of the superclass.  */
4541
0
  ret = (struct elf32_mn10300_link_hash_entry *)
4542
0
   _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
4543
0
             table, string);
4544
0
  if (ret != NULL)
4545
0
    {
4546
0
      ret->direct_calls = 0;
4547
0
      ret->stack_size = 0;
4548
0
      ret->movm_args = 0;
4549
0
      ret->movm_stack_size = 0;
4550
0
      ret->flags = 0;
4551
0
      ret->value = 0;
4552
0
      ret->tls_type = GOT_UNKNOWN;
4553
0
    }
4554
4555
0
  return (struct bfd_hash_entry *) ret;
4556
0
}
Unexecuted instantiation: elf-m10300.c:elf32_mn10300_link_hash_newfunc
Unexecuted instantiation: elf32-am33lin.c:elf32_mn10300_link_hash_newfunc
4557
4558
static void
4559
_bfd_mn10300_copy_indirect_symbol (struct bfd_link_info *  info,
4560
           struct elf_link_hash_entry *  dir,
4561
           struct elf_link_hash_entry *  ind)
4562
0
{
4563
0
  struct elf32_mn10300_link_hash_entry * edir;
4564
0
  struct elf32_mn10300_link_hash_entry * eind;
4565
4566
0
  edir = elf_mn10300_hash_entry (dir);
4567
0
  eind = elf_mn10300_hash_entry (ind);
4568
4569
0
  if (ind->root.type == bfd_link_hash_indirect
4570
0
      && dir->got.refcount <= 0)
4571
0
    {
4572
0
      edir->tls_type = eind->tls_type;
4573
0
      eind->tls_type = GOT_UNKNOWN;
4574
0
    }
4575
0
  edir->direct_calls = eind->direct_calls;
4576
0
  edir->stack_size = eind->stack_size;
4577
0
  edir->movm_args = eind->movm_args;
4578
0
  edir->movm_stack_size = eind->movm_stack_size;
4579
0
  edir->flags = eind->flags;
4580
4581
0
  _bfd_elf_link_hash_copy_indirect (info, dir, ind);
4582
0
}
Unexecuted instantiation: elf-m10300.c:_bfd_mn10300_copy_indirect_symbol
Unexecuted instantiation: elf32-am33lin.c:_bfd_mn10300_copy_indirect_symbol
4583
4584
/* Destroy an mn10300 ELF linker hash table.  */
4585
4586
static void
4587
elf32_mn10300_link_hash_table_free (bfd *obfd)
4588
0
{
4589
0
  struct elf32_mn10300_link_hash_table *ret
4590
0
    = (struct elf32_mn10300_link_hash_table *) obfd->link.hash;
4591
4592
0
  obfd->link.hash = &ret->static_hash_table->root.root;
4593
0
  _bfd_elf_link_hash_table_free (obfd);
4594
0
  obfd->is_linker_output = true;
4595
0
  obfd->link.hash = &ret->root.root;
4596
0
  _bfd_elf_link_hash_table_free (obfd);
4597
0
}
Unexecuted instantiation: elf-m10300.c:elf32_mn10300_link_hash_table_free
Unexecuted instantiation: elf32-am33lin.c:elf32_mn10300_link_hash_table_free
4598
4599
/* Create an mn10300 ELF linker hash table.  */
4600
4601
static struct bfd_link_hash_table *
4602
elf32_mn10300_link_hash_table_create (bfd *abfd)
4603
0
{
4604
0
  struct elf32_mn10300_link_hash_table *ret;
4605
0
  size_t amt = sizeof (* ret);
4606
4607
0
  ret = bfd_zmalloc (amt);
4608
0
  if (ret == NULL)
4609
0
    return NULL;
4610
4611
0
  amt = sizeof (struct elf_link_hash_table);
4612
0
  ret->static_hash_table = bfd_zmalloc (amt);
4613
0
  if (ret->static_hash_table == NULL)
4614
0
    {
4615
0
      free (ret);
4616
0
      return NULL;
4617
0
    }
4618
4619
0
  if (!_bfd_elf_link_hash_table_init (&ret->static_hash_table->root, abfd,
4620
0
              elf32_mn10300_link_hash_newfunc,
4621
0
              sizeof (struct elf32_mn10300_link_hash_entry),
4622
0
              MN10300_ELF_DATA))
4623
0
    {
4624
0
      free (ret->static_hash_table);
4625
0
      free (ret);
4626
0
      return NULL;
4627
0
    }
4628
4629
0
  abfd->is_linker_output = false;
4630
0
  abfd->link.hash = NULL;
4631
0
  if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
4632
0
              elf32_mn10300_link_hash_newfunc,
4633
0
              sizeof (struct elf32_mn10300_link_hash_entry),
4634
0
              MN10300_ELF_DATA))
4635
0
    {
4636
0
      abfd->is_linker_output = true;
4637
0
      abfd->link.hash = &ret->static_hash_table->root.root;
4638
0
      _bfd_elf_link_hash_table_free (abfd);
4639
0
      free (ret);
4640
0
      return NULL;
4641
0
    }
4642
0
  ret->root.root.hash_table_free = elf32_mn10300_link_hash_table_free;
4643
4644
0
  ret->tls_ldm_got.offset = -1;
4645
4646
0
  return & ret->root.root;
4647
0
}
Unexecuted instantiation: elf-m10300.c:elf32_mn10300_link_hash_table_create
Unexecuted instantiation: elf32-am33lin.c:elf32_mn10300_link_hash_table_create
4648
4649
static unsigned long
4650
elf_mn10300_mach (flagword flags)
4651
0
{
4652
0
  switch (flags & EF_MN10300_MACH)
4653
0
    {
4654
0
    case E_MN10300_MACH_MN10300:
4655
0
    default:
4656
0
      return bfd_mach_mn10300;
4657
4658
0
    case E_MN10300_MACH_AM33:
4659
0
      return bfd_mach_am33;
4660
4661
0
    case E_MN10300_MACH_AM33_2:
4662
0
      return bfd_mach_am33_2;
4663
0
    }
4664
0
}
Unexecuted instantiation: elf-m10300.c:elf_mn10300_mach
Unexecuted instantiation: elf32-am33lin.c:elf_mn10300_mach
4665
4666
/* The final processing done just before writing out a MN10300 ELF object
4667
   file.  This gets the MN10300 architecture right based on the machine
4668
   number.  */
4669
4670
static bool
4671
_bfd_mn10300_elf_final_write_processing (bfd *abfd)
4672
0
{
4673
0
  unsigned long val;
4674
4675
0
  switch (bfd_get_mach (abfd))
4676
0
    {
4677
0
    default:
4678
0
    case bfd_mach_mn10300:
4679
0
      val = E_MN10300_MACH_MN10300;
4680
0
      break;
4681
4682
0
    case bfd_mach_am33:
4683
0
      val = E_MN10300_MACH_AM33;
4684
0
      break;
4685
4686
0
    case bfd_mach_am33_2:
4687
0
      val = E_MN10300_MACH_AM33_2;
4688
0
      break;
4689
0
    }
4690
4691
0
  elf_elfheader (abfd)->e_flags &= ~ (EF_MN10300_MACH);
4692
0
  elf_elfheader (abfd)->e_flags |= val;
4693
0
  return _bfd_elf_final_write_processing (abfd);
4694
0
}
Unexecuted instantiation: elf-m10300.c:_bfd_mn10300_elf_final_write_processing
Unexecuted instantiation: elf32-am33lin.c:_bfd_am33_elf_final_write_processing
4695
4696
static bool
4697
_bfd_mn10300_elf_object_p (bfd *abfd)
4698
0
{
4699
0
  bfd_default_set_arch_mach (abfd, bfd_arch_mn10300,
4700
0
           elf_mn10300_mach (elf_elfheader (abfd)->e_flags));
4701
0
  return true;
4702
0
}
Unexecuted instantiation: elf-m10300.c:_bfd_mn10300_elf_object_p
Unexecuted instantiation: elf32-am33lin.c:_bfd_am33_elf_object_p
4703
4704
/* Merge backend specific data from an object file to the output
4705
   object file when linking.  */
4706
4707
static bool
4708
_bfd_mn10300_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
4709
0
{
4710
0
  bfd *obfd = info->output_bfd;
4711
4712
0
  if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
4713
0
      || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
4714
0
    return true;
4715
4716
0
  if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
4717
0
      && bfd_get_mach (obfd) < bfd_get_mach (ibfd))
4718
0
    {
4719
0
      if (! bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
4720
0
             bfd_get_mach (ibfd)))
4721
0
  return false;
4722
0
    }
4723
4724
0
  return true;
4725
0
}
Unexecuted instantiation: elf-m10300.c:_bfd_mn10300_elf_merge_private_bfd_data
Unexecuted instantiation: elf32-am33lin.c:_bfd_am33_elf_merge_private_bfd_data
4726
4727
0
#define PLT0_ENTRY_SIZE     15
4728
0
#define PLT_ENTRY_SIZE      20
4729
0
#define PIC_PLT_ENTRY_SIZE  24
4730
4731
static const bfd_byte elf_mn10300_plt0_entry[PLT0_ENTRY_SIZE] =
4732
{
4733
  0xfc, 0xa0, 0, 0, 0, 0, /* mov  (.got+8),a0 */
4734
  0xfe, 0xe, 0x10, 0, 0, 0, 0,  /* mov  (.got+4),r1 */
4735
  0xf0, 0xf4,     /* jmp  (a0) */
4736
};
4737
4738
static const bfd_byte elf_mn10300_plt_entry[PLT_ENTRY_SIZE] =
4739
{
4740
  0xfc, 0xa0, 0, 0, 0, 0, /* mov  (nameN@GOT + .got),a0 */
4741
  0xf0, 0xf4,     /* jmp  (a0) */
4742
  0xfe, 8, 0, 0, 0, 0, 0, /* mov  reloc-table-address,r0 */
4743
  0xdc, 0, 0, 0, 0,   /* jmp  .plt0 */
4744
};
4745
4746
static const bfd_byte elf_mn10300_pic_plt_entry[PIC_PLT_ENTRY_SIZE] =
4747
{
4748
  0xfc, 0x22, 0, 0, 0, 0, /* mov  (nameN@GOT,a2),a0 */
4749
  0xf0, 0xf4,     /* jmp  (a0) */
4750
  0xfe, 8, 0, 0, 0, 0, 0, /* mov  reloc-table-address,r0 */
4751
  0xf8, 0x22, 8,    /* mov  (8,a2),a0 */
4752
  0xfb, 0xa, 0x1a, 4,   /* mov  (4,a2),r1 */
4753
  0xf0, 0xf4,     /* jmp  (a0) */
4754
};
4755
4756
/* Return size of the first PLT entry.  */
4757
#define elf_mn10300_sizeof_plt0(info) \
4758
0
  (bfd_link_pic (info) ? PIC_PLT_ENTRY_SIZE : PLT0_ENTRY_SIZE)
4759
4760
/* Return size of a PLT entry.  */
4761
#define elf_mn10300_sizeof_plt(info) \
4762
0
  (bfd_link_pic (info) ? PIC_PLT_ENTRY_SIZE : PLT_ENTRY_SIZE)
4763
4764
/* Return offset of the PLT0 address in an absolute PLT entry.  */
4765
#define elf_mn10300_plt_plt0_offset(info) 16
4766
4767
/* Return offset of the linker in PLT0 entry.  */
4768
#define elf_mn10300_plt0_linker_offset(info) 2
4769
4770
/* Return offset of the GOT id in PLT0 entry.  */
4771
#define elf_mn10300_plt0_gotid_offset(info) 9
4772
4773
/* Return offset of the temporary in PLT entry.  */
4774
#define elf_mn10300_plt_temp_offset(info) 8
4775
4776
/* Return offset of the symbol in PLT entry.  */
4777
#define elf_mn10300_plt_symbol_offset(info) 2
4778
4779
/* Return offset of the relocation in PLT entry.  */
4780
#define elf_mn10300_plt_reloc_offset(info) 11
4781
4782
/* The name of the dynamic interpreter.  This is put in the .interp
4783
   section.  */
4784
4785
0
#define ELF_DYNAMIC_INTERPRETER "/lib/ld.so.1"
4786
4787
/* Create dynamic sections when linking against a dynamic object.  */
4788
4789
static bool
4790
_bfd_mn10300_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
4791
0
{
4792
0
  flagword   flags;
4793
0
  asection * s;
4794
0
  const struct elf_backend_data * bed = get_elf_backend_data (abfd);
4795
0
  struct elf32_mn10300_link_hash_table *htab = elf32_mn10300_hash_table (info);
4796
0
  int ptralign = 0;
4797
4798
0
  switch (bed->s->arch_size)
4799
0
    {
4800
0
    case 32:
4801
0
      ptralign = 2;
4802
0
      break;
4803
4804
0
    case 64:
4805
0
      ptralign = 3;
4806
0
      break;
4807
4808
0
    default:
4809
0
      bfd_set_error (bfd_error_bad_value);
4810
0
      return false;
4811
0
    }
4812
4813
  /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
4814
     .rel[a].bss sections.  */
4815
0
  flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
4816
0
     | SEC_LINKER_CREATED);
4817
4818
0
  s = bfd_make_section_anyway_with_flags (abfd,
4819
0
            (bed->default_use_rela_p
4820
0
             ? ".rela.plt" : ".rel.plt"),
4821
0
            flags | SEC_READONLY);
4822
0
  htab->root.srelplt = s;
4823
0
  if (s == NULL
4824
0
      || !bfd_set_section_alignment (s, ptralign))
4825
0
    return false;
4826
4827
0
  if (! _bfd_mn10300_elf_create_got_section (abfd, info))
4828
0
    return false;
4829
4830
0
  if (bed->want_dynbss)
4831
0
    {
4832
      /* The .dynbss section is a place to put symbols which are defined
4833
   by dynamic objects, are referenced by regular objects, and are
4834
   not functions.  We must allocate space for them in the process
4835
   image and use a R_*_COPY reloc to tell the dynamic linker to
4836
   initialize them at run time.  The linker script puts the .dynbss
4837
   section into the .bss section of the final image.  */
4838
0
      s = bfd_make_section_anyway_with_flags (abfd, ".dynbss",
4839
0
                SEC_ALLOC | SEC_LINKER_CREATED);
4840
0
      if (s == NULL)
4841
0
  return false;
4842
4843
      /* The .rel[a].bss section holds copy relocs.  This section is not
4844
   normally needed.  We need to create it here, though, so that the
4845
   linker will map it to an output section.  We can't just create it
4846
   only if we need it, because we will not know whether we need it
4847
   until we have seen all the input files, and the first time the
4848
   main linker code calls BFD after examining all the input files
4849
   (size_dynamic_sections) the input sections have already been
4850
   mapped to the output sections.  If the section turns out not to
4851
   be needed, we can discard it later.  We will never need this
4852
   section when generating a shared object, since they do not use
4853
   copy relocs.  */
4854
0
      if (! bfd_link_pic (info))
4855
0
  {
4856
0
    s = bfd_make_section_anyway_with_flags (abfd,
4857
0
              (bed->default_use_rela_p
4858
0
               ? ".rela.bss" : ".rel.bss"),
4859
0
              flags | SEC_READONLY);
4860
0
    if (s == NULL
4861
0
        || !bfd_set_section_alignment (s, ptralign))
4862
0
      return false;
4863
0
  }
4864
0
    }
4865
4866
0
  return true;
4867
0
}
Unexecuted instantiation: elf-m10300.c:_bfd_mn10300_elf_create_dynamic_sections
Unexecuted instantiation: elf32-am33lin.c:_bfd_mn10300_elf_create_dynamic_sections
4868

4869
/* Adjust a symbol defined by a dynamic object and referenced by a
4870
   regular object.  The current definition is in some section of the
4871
   dynamic object, but we're not including those sections.  We have to
4872
   change the definition to something the rest of the link can
4873
   understand.  */
4874
4875
static bool
4876
_bfd_mn10300_elf_adjust_dynamic_symbol (struct bfd_link_info * info,
4877
          struct elf_link_hash_entry * h)
4878
0
{
4879
0
  struct elf32_mn10300_link_hash_table *htab = elf32_mn10300_hash_table (info);
4880
0
  bfd * dynobj;
4881
0
  asection * s;
4882
4883
0
  dynobj = htab->root.dynobj;
4884
4885
  /* Make sure we know what is going on here.  */
4886
0
  BFD_ASSERT (dynobj != NULL
4887
0
        && (h->needs_plt
4888
0
      || h->is_weakalias
4889
0
      || (h->def_dynamic
4890
0
          && h->ref_regular
4891
0
          && !h->def_regular)));
4892
4893
  /* If this is a function, put it in the procedure linkage table.  We
4894
     will fill in the contents of the procedure linkage table later,
4895
     when we know the address of the .got section.  */
4896
0
  if (h->type == STT_FUNC
4897
0
      || h->needs_plt)
4898
0
    {
4899
0
      if (! bfd_link_pic (info)
4900
0
    && !h->def_dynamic
4901
0
    && !h->ref_dynamic)
4902
0
  {
4903
    /* This case can occur if we saw a PLT reloc in an input
4904
       file, but the symbol was never referred to by a dynamic
4905
       object.  In such a case, we don't actually need to build
4906
       a procedure linkage table, and we can just do a REL32
4907
       reloc instead.  */
4908
0
    BFD_ASSERT (h->needs_plt);
4909
0
    return true;
4910
0
  }
4911
4912
      /* Make sure this symbol is output as a dynamic symbol.  */
4913
0
      if (h->dynindx == -1)
4914
0
  {
4915
0
    if (! bfd_elf_link_record_dynamic_symbol (info, h))
4916
0
      return false;
4917
0
  }
4918
4919
0
      s = htab->root.splt;
4920
0
      BFD_ASSERT (s != NULL);
4921
4922
      /* If this is the first .plt entry, make room for the special
4923
   first entry.  */
4924
0
      if (s->size == 0)
4925
0
  s->size += elf_mn10300_sizeof_plt0 (info);
4926
4927
      /* If this symbol is not defined in a regular file, and we are
4928
   not generating a shared library, then set the symbol to this
4929
   location in the .plt.  This is required to make function
4930
   pointers compare as equal between the normal executable and
4931
   the shared library.  */
4932
0
      if (! bfd_link_pic (info)
4933
0
    && !h->def_regular)
4934
0
  {
4935
0
    h->root.u.def.section = s;
4936
0
    h->root.u.def.value = s->size;
4937
0
  }
4938
4939
0
      h->plt.offset = s->size;
4940
4941
      /* Make room for this entry.  */
4942
0
      s->size += elf_mn10300_sizeof_plt (info);
4943
4944
      /* We also need to make an entry in the .got.plt section, which
4945
   will be placed in the .got section by the linker script.  */
4946
0
      s = htab->root.sgotplt;
4947
0
      BFD_ASSERT (s != NULL);
4948
0
      s->size += 4;
4949
4950
      /* We also need to make an entry in the .rela.plt section.  */
4951
0
      s = htab->root.srelplt;
4952
0
      BFD_ASSERT (s != NULL);
4953
0
      s->size += sizeof (Elf32_External_Rela);
4954
4955
0
      return true;
4956
0
    }
4957
4958
  /* If this is a weak symbol, and there is a real definition, the
4959
     processor independent code will have arranged for us to see the
4960
     real definition first, and we can just use the same value.  */
4961
0
  if (h->is_weakalias)
4962
0
    {
4963
0
      struct elf_link_hash_entry *def = weakdef (h);
4964
0
      BFD_ASSERT (def->root.type == bfd_link_hash_defined);
4965
0
      h->root.u.def.section = def->root.u.def.section;
4966
0
      h->root.u.def.value = def->root.u.def.value;
4967
0
      return true;
4968
0
    }
4969
4970
  /* This is a reference to a symbol defined by a dynamic object which
4971
     is not a function.  */
4972
4973
  /* If we are creating a shared library, we must presume that the
4974
     only references to the symbol are via the global offset table.
4975
     For such cases we need not do anything here; the relocations will
4976
     be handled correctly by relocate_section.  */
4977
0
  if (bfd_link_pic (info))
4978
0
    return true;
4979
4980
  /* If there are no references to this symbol that do not use the
4981
     GOT, we don't need to generate a copy reloc.  */
4982
0
  if (!h->non_got_ref)
4983
0
    return true;
4984
4985
  /* We must allocate the symbol in our .dynbss section, which will
4986
     become part of the .bss section of the executable.  There will be
4987
     an entry for this symbol in the .dynsym section.  The dynamic
4988
     object will contain position independent code, so all references
4989
     from the dynamic object to this symbol will go through the global
4990
     offset table.  The dynamic linker will use the .dynsym entry to
4991
     determine the address it must put in the global offset table, so
4992
     both the dynamic object and the regular object will refer to the
4993
     same memory location for the variable.  */
4994
4995
0
  s = bfd_get_linker_section (dynobj, ".dynbss");
4996
0
  BFD_ASSERT (s != NULL);
4997
4998
  /* We must generate a R_MN10300_COPY reloc to tell the dynamic linker to
4999
     copy the initial value out of the dynamic object and into the
5000
     runtime process image.  We need to remember the offset into the
5001
     .rela.bss section we are going to use.  */
5002
0
  if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
5003
0
    {
5004
0
      asection * srel;
5005
5006
0
      srel = bfd_get_linker_section (dynobj, ".rela.bss");
5007
0
      BFD_ASSERT (srel != NULL);
5008
0
      srel->size += sizeof (Elf32_External_Rela);
5009
0
      h->needs_copy = 1;
5010
0
    }
5011
5012
0
  return _bfd_elf_adjust_dynamic_copy (info, h, s);
5013
0
}
Unexecuted instantiation: elf-m10300.c:_bfd_mn10300_elf_adjust_dynamic_symbol
Unexecuted instantiation: elf32-am33lin.c:_bfd_mn10300_elf_adjust_dynamic_symbol
5014
5015
/* Set the sizes of the dynamic sections.  */
5016
5017
static bool
5018
_bfd_mn10300_elf_size_dynamic_sections (bfd * output_bfd,
5019
          struct bfd_link_info * info)
5020
0
{
5021
0
  struct elf32_mn10300_link_hash_table *htab = elf32_mn10300_hash_table (info);
5022
0
  bfd * dynobj;
5023
0
  asection * s;
5024
0
  bool relocs;
5025
5026
0
  dynobj = htab->root.dynobj;
5027
0
  BFD_ASSERT (dynobj != NULL);
5028
5029
0
  if (elf_hash_table (info)->dynamic_sections_created)
5030
0
    {
5031
      /* Set the contents of the .interp section to the interpreter.  */
5032
0
      if (bfd_link_executable (info) && !info->nointerp)
5033
0
  {
5034
0
    s = bfd_get_linker_section (dynobj, ".interp");
5035
0
    BFD_ASSERT (s != NULL);
5036
0
    s->size = sizeof ELF_DYNAMIC_INTERPRETER;
5037
0
    s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
5038
0
  }
5039
0
    }
5040
0
  else
5041
0
    {
5042
      /* We may have created entries in the .rela.got section.
5043
   However, if we are not creating the dynamic sections, we will
5044
   not actually use these entries.  Reset the size of .rela.got,
5045
   which will cause it to get stripped from the output file
5046
   below.  */
5047
0
      s = htab->root.sgot;
5048
0
      if (s != NULL)
5049
0
  s->size = 0;
5050
0
    }
5051
5052
0
  if (htab->tls_ldm_got.refcount > 0)
5053
0
    {
5054
0
      s = htab->root.srelgot;
5055
0
      BFD_ASSERT (s != NULL);
5056
0
      s->size += sizeof (Elf32_External_Rela);
5057
0
    }
5058
5059
  /* The check_relocs and adjust_dynamic_symbol entry points have
5060
     determined the sizes of the various dynamic sections.  Allocate
5061
     memory for them.  */
5062
0
  relocs = false;
5063
0
  for (s = dynobj->sections; s != NULL; s = s->next)
5064
0
    {
5065
0
      const char * name;
5066
5067
0
      if ((s->flags & SEC_LINKER_CREATED) == 0)
5068
0
  continue;
5069
5070
      /* It's OK to base decisions on the section name, because none
5071
   of the dynobj section names depend upon the input files.  */
5072
0
      name = bfd_section_name (s);
5073
5074
0
      if (streq (name, ".plt"))
5075
0
  {
5076
    /* Remember whether there is a PLT.  */
5077
0
    ;
5078
0
  }
5079
0
      else if (startswith (name, ".rela"))
5080
0
  {
5081
0
    if (s->size != 0)
5082
0
      {
5083
        /* Remember whether there are any reloc sections other
5084
     than .rela.plt.  */
5085
0
        if (! streq (name, ".rela.plt"))
5086
0
    relocs = true;
5087
5088
        /* We use the reloc_count field as a counter if we need
5089
     to copy relocs into the output file.  */
5090
0
        s->reloc_count = 0;
5091
0
      }
5092
0
  }
5093
0
      else if (! startswith (name, ".got")
5094
0
         && ! streq (name, ".dynbss"))
5095
  /* It's not one of our sections, so don't allocate space.  */
5096
0
  continue;
5097
5098
0
      if (s->size == 0)
5099
0
  {
5100
    /* If we don't need this section, strip it from the
5101
       output file.  This is mostly to handle .rela.bss and
5102
       .rela.plt.  We must create both sections in
5103
       create_dynamic_sections, because they must be created
5104
       before the linker maps input sections to output
5105
       sections.  The linker does that before
5106
       adjust_dynamic_symbol is called, and it is that
5107
       function which decides whether anything needs to go
5108
       into these sections.  */
5109
0
    s->flags |= SEC_EXCLUDE;
5110
0
    continue;
5111
0
  }
5112
5113
0
  if ((s->flags & SEC_HAS_CONTENTS) == 0)
5114
0
    continue;
5115
5116
      /* Allocate memory for the section contents.  We use bfd_zalloc
5117
   here in case unused entries are not reclaimed before the
5118
   section's contents are written out.  This should not happen,
5119
   but this way if it does, we get a R_MN10300_NONE reloc
5120
   instead of garbage.  */
5121
0
      s->contents = bfd_zalloc (dynobj, s->size);
5122
0
      if (s->contents == NULL)
5123
0
  return false;
5124
0
    }
5125
5126
0
  return _bfd_elf_add_dynamic_tags (output_bfd, info, relocs);
5127
0
}
Unexecuted instantiation: elf-m10300.c:_bfd_mn10300_elf_size_dynamic_sections
Unexecuted instantiation: elf32-am33lin.c:_bfd_mn10300_elf_size_dynamic_sections
5128
5129
/* Finish up dynamic symbol handling.  We set the contents of various
5130
   dynamic sections here.  */
5131
5132
static bool
5133
_bfd_mn10300_elf_finish_dynamic_symbol (bfd * output_bfd,
5134
          struct bfd_link_info * info,
5135
          struct elf_link_hash_entry * h,
5136
          Elf_Internal_Sym * sym)
5137
0
{
5138
0
  struct elf32_mn10300_link_hash_table *htab = elf32_mn10300_hash_table (info);
5139
0
  bfd * dynobj;
5140
5141
0
  dynobj = htab->root.dynobj;
5142
5143
0
  if (h->plt.offset != (bfd_vma) -1)
5144
0
    {
5145
0
      asection *  splt;
5146
0
      asection *  sgot;
5147
0
      asection *  srel;
5148
0
      bfd_vma   plt_index;
5149
0
      bfd_vma   got_offset;
5150
0
      Elf_Internal_Rela rel;
5151
5152
      /* This symbol has an entry in the procedure linkage table.  Set
5153
   it up.  */
5154
5155
0
      BFD_ASSERT (h->dynindx != -1);
5156
5157
0
      splt = htab->root.splt;
5158
0
      sgot = htab->root.sgotplt;
5159
0
      srel = htab->root.srelplt;
5160
0
      BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
5161
5162
      /* Get the index in the procedure linkage table which
5163
   corresponds to this symbol.  This is the index of this symbol
5164
   in all the symbols for which we are making plt entries.  The
5165
   first entry in the procedure linkage table is reserved.  */
5166
0
      plt_index = ((h->plt.offset - elf_mn10300_sizeof_plt0 (info))
5167
0
       / elf_mn10300_sizeof_plt (info));
5168
5169
      /* Get the offset into the .got table of the entry that
5170
   corresponds to this function.  Each .got entry is 4 bytes.
5171
   The first three are reserved.  */
5172
0
      got_offset = (plt_index + 3) * 4;
5173
5174
      /* Fill in the entry in the procedure linkage table.  */
5175
0
      if (! bfd_link_pic (info))
5176
0
  {
5177
0
    memcpy (splt->contents + h->plt.offset, elf_mn10300_plt_entry,
5178
0
      elf_mn10300_sizeof_plt (info));
5179
0
    bfd_put_32 (output_bfd,
5180
0
          (sgot->output_section->vma
5181
0
           + sgot->output_offset
5182
0
           + got_offset),
5183
0
          (splt->contents + h->plt.offset
5184
0
           + elf_mn10300_plt_symbol_offset (info)));
5185
5186
0
    bfd_put_32 (output_bfd,
5187
0
          (1 - h->plt.offset - elf_mn10300_plt_plt0_offset (info)),
5188
0
          (splt->contents + h->plt.offset
5189
0
           + elf_mn10300_plt_plt0_offset (info)));
5190
0
  }
5191
0
      else
5192
0
  {
5193
0
    memcpy (splt->contents + h->plt.offset, elf_mn10300_pic_plt_entry,
5194
0
      elf_mn10300_sizeof_plt (info));
5195
5196
0
    bfd_put_32 (output_bfd, got_offset,
5197
0
          (splt->contents + h->plt.offset
5198
0
           + elf_mn10300_plt_symbol_offset (info)));
5199
0
  }
5200
5201
0
      bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela),
5202
0
      (splt->contents + h->plt.offset
5203
0
       + elf_mn10300_plt_reloc_offset (info)));
5204
5205
      /* Fill in the entry in the global offset table.  */
5206
0
      bfd_put_32 (output_bfd,
5207
0
      (splt->output_section->vma
5208
0
       + splt->output_offset
5209
0
       + h->plt.offset
5210
0
       + elf_mn10300_plt_temp_offset (info)),
5211
0
      sgot->contents + got_offset);
5212
5213
      /* Fill in the entry in the .rela.plt section.  */
5214
0
      rel.r_offset = (sgot->output_section->vma
5215
0
          + sgot->output_offset
5216
0
          + got_offset);
5217
0
      rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_JMP_SLOT);
5218
0
      rel.r_addend = 0;
5219
0
      bfd_elf32_swap_reloca_out (output_bfd, &rel,
5220
0
         (bfd_byte *) ((Elf32_External_Rela *) srel->contents
5221
0
                 + plt_index));
5222
5223
0
      if (!h->def_regular)
5224
  /* Mark the symbol as undefined, rather than as defined in
5225
     the .plt section.  Leave the value alone.  */
5226
0
  sym->st_shndx = SHN_UNDEF;
5227
0
    }
5228
5229
0
  if (h->got.offset != (bfd_vma) -1)
5230
0
    {
5231
0
      asection *  sgot;
5232
0
      asection *  srel;
5233
0
      Elf_Internal_Rela rel;
5234
5235
      /* This symbol has an entry in the global offset table.  Set it up.  */
5236
0
      sgot = htab->root.sgot;
5237
0
      srel = htab->root.srelgot;
5238
0
      BFD_ASSERT (sgot != NULL && srel != NULL);
5239
5240
0
      rel.r_offset = (sgot->output_section->vma
5241
0
          + sgot->output_offset
5242
0
          + (h->got.offset & ~1));
5243
5244
0
      switch (elf_mn10300_hash_entry (h)->tls_type)
5245
0
  {
5246
0
  case GOT_TLS_GD:
5247
0
    bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
5248
0
    bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset + 4);
5249
0
    rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_TLS_DTPMOD);
5250
0
    rel.r_addend = 0;
5251
0
    bfd_elf32_swap_reloca_out (output_bfd, & rel,
5252
0
             (bfd_byte *) ((Elf32_External_Rela *) srel->contents
5253
0
               + srel->reloc_count));
5254
0
    ++ srel->reloc_count;
5255
0
    rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_TLS_DTPOFF);
5256
0
    rel.r_offset += 4;
5257
0
    rel.r_addend = 0;
5258
0
    break;
5259
5260
0
  case GOT_TLS_IE:
5261
    /* We originally stored the addend in the GOT, but at this
5262
       point, we want to move it to the reloc instead as that's
5263
       where the dynamic linker wants it.  */
5264
0
    rel.r_addend = bfd_get_32 (output_bfd, sgot->contents + h->got.offset);
5265
0
    bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
5266
0
    if (h->dynindx == -1)
5267
0
      rel.r_info = ELF32_R_INFO (0, R_MN10300_TLS_TPOFF);
5268
0
    else
5269
0
      rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_TLS_TPOFF);
5270
0
    break;
5271
5272
0
  default:
5273
    /* If this is a -Bsymbolic link, and the symbol is defined
5274
       locally, we just want to emit a RELATIVE reloc.  Likewise if
5275
       the symbol was forced to be local because of a version file.
5276
       The entry in the global offset table will already have been
5277
       initialized in the relocate_section function.  */
5278
0
    if (bfd_link_pic (info)
5279
0
        && (info->symbolic || h->dynindx == -1)
5280
0
        && h->def_regular)
5281
0
      {
5282
0
        rel.r_info = ELF32_R_INFO (0, R_MN10300_RELATIVE);
5283
0
        rel.r_addend = (h->root.u.def.value
5284
0
            + h->root.u.def.section->output_section->vma
5285
0
            + h->root.u.def.section->output_offset);
5286
0
      }
5287
0
    else
5288
0
      {
5289
0
        bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
5290
0
        rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_GLOB_DAT);
5291
0
        rel.r_addend = 0;
5292
0
      }
5293
0
  }
5294
5295
0
      if (ELF32_R_TYPE (rel.r_info) != R_MN10300_NONE)
5296
0
  {
5297
0
    bfd_elf32_swap_reloca_out (output_bfd, &rel,
5298
0
             (bfd_byte *) ((Elf32_External_Rela *) srel->contents
5299
0
               + srel->reloc_count));
5300
0
    ++ srel->reloc_count;
5301
0
  }
5302
0
    }
5303
5304
0
  if (h->needs_copy)
5305
0
    {
5306
0
      asection *  s;
5307
0
      Elf_Internal_Rela rel;
5308
5309
      /* This symbol needs a copy reloc.  Set it up.  */
5310
0
      BFD_ASSERT (h->dynindx != -1
5311
0
      && (h->root.type == bfd_link_hash_defined
5312
0
          || h->root.type == bfd_link_hash_defweak));
5313
5314
0
      s = bfd_get_linker_section (dynobj, ".rela.bss");
5315
0
      BFD_ASSERT (s != NULL);
5316
5317
0
      rel.r_offset = (h->root.u.def.value
5318
0
          + h->root.u.def.section->output_section->vma
5319
0
          + h->root.u.def.section->output_offset);
5320
0
      rel.r_info = ELF32_R_INFO (h->dynindx, R_MN10300_COPY);
5321
0
      rel.r_addend = 0;
5322
0
      bfd_elf32_swap_reloca_out (output_bfd, & rel,
5323
0
         (bfd_byte *) ((Elf32_External_Rela *) s->contents
5324
0
                 + s->reloc_count));
5325
0
      ++ s->reloc_count;
5326
0
    }
5327
5328
  /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute.  */
5329
0
  if (h == elf_hash_table (info)->hdynamic
5330
0
      || h == elf_hash_table (info)->hgot)
5331
0
    sym->st_shndx = SHN_ABS;
5332
5333
0
  return true;
5334
0
}
Unexecuted instantiation: elf-m10300.c:_bfd_mn10300_elf_finish_dynamic_symbol
Unexecuted instantiation: elf32-am33lin.c:_bfd_mn10300_elf_finish_dynamic_symbol
5335
5336
/* Finish up the dynamic sections.  */
5337
5338
static bool
5339
_bfd_mn10300_elf_finish_dynamic_sections (bfd * output_bfd,
5340
            struct bfd_link_info * info)
5341
0
{
5342
0
  bfd *      dynobj;
5343
0
  asection * sgot;
5344
0
  asection * sdyn;
5345
0
  struct elf32_mn10300_link_hash_table *htab = elf32_mn10300_hash_table (info);
5346
5347
0
  dynobj = htab->root.dynobj;
5348
0
  sgot = htab->root.sgotplt;
5349
0
  BFD_ASSERT (sgot != NULL);
5350
0
  sdyn = bfd_get_linker_section (dynobj, ".dynamic");
5351
5352
0
  if (elf_hash_table (info)->dynamic_sections_created)
5353
0
    {
5354
0
      asection *     splt;
5355
0
      Elf32_External_Dyn * dyncon;
5356
0
      Elf32_External_Dyn * dynconend;
5357
5358
0
      BFD_ASSERT (sdyn != NULL);
5359
5360
0
      dyncon = (Elf32_External_Dyn *) sdyn->contents;
5361
0
      dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
5362
5363
0
      for (; dyncon < dynconend; dyncon++)
5364
0
  {
5365
0
    Elf_Internal_Dyn dyn;
5366
0
    asection * s;
5367
5368
0
    bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
5369
5370
0
    switch (dyn.d_tag)
5371
0
      {
5372
0
      default:
5373
0
        break;
5374
5375
0
      case DT_PLTGOT:
5376
0
        s = htab->root.sgot;
5377
0
        goto get_vma;
5378
5379
0
      case DT_JMPREL:
5380
0
        s = htab->root.srelplt;
5381
0
      get_vma:
5382
0
        dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
5383
0
        bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5384
0
        break;
5385
5386
0
      case DT_PLTRELSZ:
5387
0
        s = htab->root.srelplt;
5388
0
        dyn.d_un.d_val = s->size;
5389
0
        bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
5390
0
        break;
5391
0
      }
5392
0
  }
5393
5394
      /* Fill in the first entry in the procedure linkage table.  */
5395
0
      splt = htab->root.splt;
5396
0
      if (splt && splt->size > 0)
5397
0
  {
5398
0
    if (bfd_link_pic (info))
5399
0
      {
5400
0
        memcpy (splt->contents, elf_mn10300_pic_plt_entry,
5401
0
          elf_mn10300_sizeof_plt (info));
5402
0
      }
5403
0
    else
5404
0
      {
5405
0
        memcpy (splt->contents, elf_mn10300_plt0_entry, PLT0_ENTRY_SIZE);
5406
0
        bfd_put_32 (output_bfd,
5407
0
        sgot->output_section->vma + sgot->output_offset + 4,
5408
0
        splt->contents + elf_mn10300_plt0_gotid_offset (info));
5409
0
        bfd_put_32 (output_bfd,
5410
0
        sgot->output_section->vma + sgot->output_offset + 8,
5411
0
        splt->contents + elf_mn10300_plt0_linker_offset (info));
5412
0
      }
5413
5414
    /* UnixWare sets the entsize of .plt to 4, although that doesn't
5415
       really seem like the right value.  */
5416
0
    elf_section_data (splt->output_section)->this_hdr.sh_entsize = 4;
5417
5418
    /* UnixWare sets the entsize of .plt to 4, but this is incorrect
5419
       as it means that the size of the PLT0 section (15 bytes) is not
5420
       a multiple of the sh_entsize.  Some ELF tools flag this as an
5421
       error.  We could pad PLT0 to 16 bytes, but that would introduce
5422
       compatibilty issues with previous toolchains, so instead we
5423
       just set the entry size to 1.  */
5424
0
    elf_section_data (splt->output_section)->this_hdr.sh_entsize = 1;
5425
0
  }
5426
0
    }
5427
5428
  /* Fill in the first three entries in the global offset table.  */
5429
0
  if (sgot->size > 0)
5430
0
    {
5431
0
      if (sdyn == NULL)
5432
0
  bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
5433
0
      else
5434
0
  bfd_put_32 (output_bfd,
5435
0
        sdyn->output_section->vma + sdyn->output_offset,
5436
0
        sgot->contents);
5437
0
      bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
5438
0
      bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
5439
0
    }
5440
5441
0
  elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
5442
5443
0
  return true;
5444
0
}
Unexecuted instantiation: elf-m10300.c:_bfd_mn10300_elf_finish_dynamic_sections
Unexecuted instantiation: elf32-am33lin.c:_bfd_mn10300_elf_finish_dynamic_sections
5445
5446
/* Classify relocation types, such that combreloc can sort them
5447
   properly.  */
5448
5449
static enum elf_reloc_type_class
5450
_bfd_mn10300_elf_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
5451
           const asection *rel_sec ATTRIBUTE_UNUSED,
5452
           const Elf_Internal_Rela *rela)
5453
0
{
5454
0
  switch ((int) ELF32_R_TYPE (rela->r_info))
5455
0
    {
5456
0
    case R_MN10300_RELATIVE:  return reloc_class_relative;
5457
0
    case R_MN10300_JMP_SLOT:  return reloc_class_plt;
5458
0
    case R_MN10300_COPY:  return reloc_class_copy;
5459
0
    default:      return reloc_class_normal;
5460
0
    }
5461
0
}
Unexecuted instantiation: elf-m10300.c:_bfd_mn10300_elf_reloc_type_class
Unexecuted instantiation: elf32-am33lin.c:_bfd_mn10300_elf_reloc_type_class
5462
5463
/* Allocate space for an MN10300 extension to the bfd elf data structure.  */
5464
5465
static bool
5466
mn10300_elf_mkobject (bfd *abfd)
5467
60
{
5468
60
  return bfd_elf_allocate_object (abfd, sizeof (struct elf_mn10300_obj_tdata),
5469
60
          MN10300_ELF_DATA);
5470
60
}
elf-m10300.c:mn10300_elf_mkobject
Line
Count
Source
5467
30
{
5468
30
  return bfd_elf_allocate_object (abfd, sizeof (struct elf_mn10300_obj_tdata),
5469
30
          MN10300_ELF_DATA);
5470
30
}
elf32-am33lin.c:mn10300_elf_mkobject
Line
Count
Source
5467
30
{
5468
30
  return bfd_elf_allocate_object (abfd, sizeof (struct elf_mn10300_obj_tdata),
5469
30
          MN10300_ELF_DATA);
5470
30
}
5471
5472
#define bfd_elf32_mkobject  mn10300_elf_mkobject
5473
5474
#ifndef ELF_ARCH
5475
#define TARGET_LITTLE_SYM mn10300_elf32_vec
5476
#define TARGET_LITTLE_NAME  "elf32-mn10300"
5477
#define ELF_ARCH    bfd_arch_mn10300
5478
#define ELF_TARGET_ID   MN10300_ELF_DATA
5479
#define ELF_MACHINE_CODE  EM_MN10300
5480
#define ELF_MACHINE_ALT1  EM_CYGNUS_MN10300
5481
#define ELF_MAXPAGESIZE   0x1000
5482
#endif
5483
5484
#define elf_info_to_howto   mn10300_info_to_howto
5485
#define elf_info_to_howto_rel   NULL
5486
#define elf_backend_can_gc_sections 1
5487
#define elf_backend_rela_normal   1
5488
#define elf_backend_check_relocs  mn10300_elf_check_relocs
5489
#define elf_backend_gc_mark_hook  mn10300_elf_gc_mark_hook
5490
#define elf_backend_relocate_section  mn10300_elf_relocate_section
5491
#define bfd_elf32_bfd_relax_section mn10300_elf_relax_section
5492
#define bfd_elf32_bfd_get_relocated_section_contents \
5493
        mn10300_elf_get_relocated_section_contents
5494
#define bfd_elf32_bfd_link_hash_table_create \
5495
        elf32_mn10300_link_hash_table_create
5496
5497
#ifndef elf_symbol_leading_char
5498
#define elf_symbol_leading_char '_'
5499
#endif
5500
5501
/* So we can set bits in e_flags.  */
5502
#define elf_backend_final_write_processing \
5503
          _bfd_mn10300_elf_final_write_processing
5504
#define elf_backend_object_p    _bfd_mn10300_elf_object_p
5505
5506
#define bfd_elf32_bfd_merge_private_bfd_data \
5507
          _bfd_mn10300_elf_merge_private_bfd_data
5508
5509
#define elf_backend_can_gc_sections 1
5510
#define elf_backend_create_dynamic_sections \
5511
  _bfd_mn10300_elf_create_dynamic_sections
5512
#define elf_backend_adjust_dynamic_symbol \
5513
  _bfd_mn10300_elf_adjust_dynamic_symbol
5514
#define elf_backend_size_dynamic_sections \
5515
  _bfd_mn10300_elf_size_dynamic_sections
5516
#define elf_backend_omit_section_dynsym _bfd_elf_omit_section_dynsym_all
5517
#define elf_backend_finish_dynamic_symbol \
5518
  _bfd_mn10300_elf_finish_dynamic_symbol
5519
#define elf_backend_finish_dynamic_sections \
5520
  _bfd_mn10300_elf_finish_dynamic_sections
5521
#define elf_backend_copy_indirect_symbol \
5522
  _bfd_mn10300_copy_indirect_symbol
5523
#define elf_backend_reloc_type_class \
5524
  _bfd_mn10300_elf_reloc_type_class
5525
5526
#define elf_backend_want_got_plt  1
5527
#define elf_backend_plt_readonly  1
5528
#define elf_backend_want_plt_sym  0
5529
#define elf_backend_got_header_size 12
5530
#define elf_backend_dtrel_excludes_plt  1
5531
5532
#include "elf32-target.h"