1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
|
/* Copyright (C) 2011-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
Based on work contributed by by Carl Pederson & Martin Schwidefsky.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
#ifndef dl_machine_h
#define dl_machine_h
#ifdef __tilegx__
#define ELF_MACHINE_NAME "tilegx"
#else
#define ELF_MACHINE_NAME "tilepro"
#endif
#include <sys/param.h>
#include <string.h>
#include <link.h>
#include <bits/wordsize.h>
#include <arch/icache.h>
#include <arch/opcode.h>
/* Return nonzero iff ELF header is compatible with the running host. */
static inline int
elf_machine_matches_host (const ElfW(Ehdr) *ehdr)
{
#if defined __tilegx__
if (ehdr->e_machine != EM_TILEGX)
return 0;
# if __WORDSIZE == 32
return (ehdr->e_ident[EI_CLASS] == ELFCLASS32);
# else
return (ehdr->e_ident[EI_CLASS] == ELFCLASS64);
# endif
#elif defined __tilepro__
return ehdr->e_machine == EM_TILEPRO;
#else
# error "Unknown tile architecture."
#endif
}
/* Return the link-time address of _DYNAMIC. Conveniently, this is the
first element of the GOT. This must be inlined in a function which
uses global data. */
static inline ElfW(Addr)
elf_machine_dynamic (void)
{
ElfW(Addr) *got;
#ifdef __tilegx__
ElfW(Addr) tmp;
asm( " { lnk %0; moveli %1, hw2_last(_GLOBAL_OFFSET_TABLE_ - 1f) }\n"
"1: shl16insli %1, %1, hw1(_GLOBAL_OFFSET_TABLE_ - 1b)\n"
" shl16insli %1, %1, hw0(_GLOBAL_OFFSET_TABLE_ - 1b)\n"
" add %0, %0, %1"
: "=r" (got), "=r" (tmp));
#else
asm( " lnk %0\n"
"1: addli %0, %0, lo16(_GLOBAL_OFFSET_TABLE_ - 1b)\n"
" auli %0, %0, ha16(_GLOBAL_OFFSET_TABLE_ - 1b)"
: "=r" (got));
#endif
return *got;
}
/* Return the run-time load address of the shared object. */
static inline ElfW(Addr)
elf_machine_load_address (void)
{
ElfW(Addr) *got;
ElfW(Addr) dynamic;
#ifdef __tilegx__
ElfW(Addr) tmp;
asm( " lnk %2\n"
"1: {\n"
" moveli %0, hw2_last(_GLOBAL_OFFSET_TABLE_ - 1b)\n"
" moveli %1, hw2_last(_DYNAMIC - 1b)\n"
" }\n"
" {\n"
" shl16insli %0, %0, hw1(_GLOBAL_OFFSET_TABLE_ - 1b)\n"
" shl16insli %1, %1, hw1(_DYNAMIC - 1b)\n"
" }\n"
" {\n"
" shl16insli %0, %0, hw0(_GLOBAL_OFFSET_TABLE_ - 1b)\n"
" shl16insli %1, %1, hw0(_DYNAMIC - 1b)\n"
" }\n"
" {\n"
" add %0, %0, %2\n"
" add %1, %1, %2\n"
" }"
: "=r" (got), "=r" (dynamic), "=r" (tmp));
#else
asm( " lnk %0\n"
"1: {\n"
" addli %0, %0, lo16(_GLOBAL_OFFSET_TABLE_ - 1b)\n"
" addli %1, %0, lo16(_DYNAMIC - 1b)\n"
" }\n"
" {\n"
" auli %0, %0, ha16(_GLOBAL_OFFSET_TABLE_ - 1b)\n"
" auli %1, %1, ha16(_DYNAMIC - 1b)\n"
" }\n"
: "=r" (got), "=r" (dynamic));
#endif
return dynamic - *got;
}
/* Flush some range of the instruction cache. If invoked prior to
actually setting dl_pagesize, we conservatively use 4KB, which
is the smallest page size we could plausibly be running with. */
static inline void
_dl_flush_icache (const void *addr, unsigned long size)
{
invalidate_icache (addr, size, GLRO(dl_pagesize) ? : 4096);
}
/* Set up the loaded object described by L so its unrelocated PLT
entries will jump to the on-demand fixup code in dl-runtime.c. */
static inline int __attribute__ ((unused))
elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
{
ElfW(Addr) *gotplt;
extern void _dl_runtime_resolve (ElfW(Word));
extern void _dl_runtime_profile (ElfW(Word));
if (l->l_info[DT_JMPREL] && lazy)
{
gotplt = (ElfW(Addr) *) D_PTR (l, l_info[DT_PLTGOT]);
/* The GOT entries for functions in the PLT have not yet been filled
in. Their initial contents will arrange when called to put in
registers an offset into the .rel.plt section, and gotplt[0], then
jump to gotplt[1]. */
/* Identify this shared object. */
gotplt[0] = (ElfW(Addr)) l;
/* The gotplt[1] entry contains the address of a function which gets
called to get the address of a so far unresolved function and jump
to it. The profiling extension of the dynamic linker allows to
intercept the calls to collect information. In this case we don't
store the address in the GOTPLT so that all future calls also end
in this function. */
if (__builtin_expect (profile, 0))
{
gotplt[1] = (ElfW(Addr)) &_dl_runtime_profile;
if (GLRO(dl_profile) != NULL
&& _dl_name_match_p (GLRO(dl_profile), l))
/* This is the object we are looking for. Say that we really
want profiling and the timers are started. */
GL(dl_profile_map) = l;
}
else
/* This function will get called to fix up the GOTPLT entry
indicated by the offset on the stack, and then jump to the
resolved address. */
gotplt[1] = (ElfW(Addr)) &_dl_runtime_resolve;
}
return lazy;
}
#if __WORDSIZE == 32
/* Mask identifying addresses reserved for the user program,
where the dynamic linker should not map anything. */
#define ELF_MACHINE_USER_ADDRESS_MASK 0xf8000000UL
#endif
/* Initial entry point code for the dynamic linker.
The C function `_dl_start' is the real entry point;
its return value is the user program's entry point. */
#define RTLD_START asm (".globl _dl_start");
#ifndef RTLD_START_SPECIAL_INIT
#define RTLD_START_SPECIAL_INIT /* nothing */
#endif
/* Wrap a generic Tilera relocation type. */
#ifdef __tilegx__
#define R_TILE(x) R_TILEGX_##x
#define __R_TILE_TLS(x,c) R_TILEGX_TLS_##x##c
#define _R_TILE_TLS(x,c) __R_TILE_TLS(x,c)
#define R_TILE_TLS(x) _R_TILE_TLS(x,__ELF_NATIVE_CLASS)
#else
#define R_TILE(x) R_TILEPRO_##x
#define R_TILE_TLS(x) R_TILEPRO_TLS_##x##32
#endif
/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry or
TLS variable, so undefined references should not be allowed to
define the value.
ELF_RTYPE_CLASS_COPY iff TYPE should not be allowed to resolve to one
of the main executable's symbols, as for a COPY reloc. */
#define elf_machine_type_class(type) \
((((type) == R_TILE(JMP_SLOT) || (type) == R_TILE_TLS(DTPMOD) \
|| (type) == R_TILE_TLS(DTPOFF) || (type) == R_TILE_TLS(TPOFF)) \
* ELF_RTYPE_CLASS_PLT) \
| (((type) == R_TILE(COPY)) * ELF_RTYPE_CLASS_COPY))
/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */
#define ELF_MACHINE_JMP_SLOT R_TILE(JMP_SLOT)
/* TILE never uses Elf32_Rel relocations. */
#define ELF_MACHINE_NO_REL 1
#define ELF_MACHINE_NO_RELA 0
/* We define an initialization functions. This is called very early in
_dl_sysdep_start. */
#define DL_PLATFORM_INIT dl_platform_init ()
static inline void __attribute__ ((unused))
dl_platform_init (void)
{
if (GLRO(dl_platform) != NULL && *GLRO(dl_platform) == '\0')
/* Avoid an empty string which would disturb us. */
GLRO(dl_platform) = NULL;
}
static inline ElfW(Addr)
elf_machine_fixup_plt (struct link_map *map, lookup_t t,
const ElfW(Rela) *reloc,
ElfW(Addr) *reloc_addr, ElfW(Addr) value)
{
return *reloc_addr = value;
}
/* Return the final value of a plt relocation. */
static inline ElfW(Addr)
elf_machine_plt_value (struct link_map *map, const ElfW(Rela) *reloc,
ElfW(Addr) value)
{
return value;
}
/* Support notifying the simulator about new objects. */
void internal_function _dl_after_load (struct link_map *l);
#define DL_AFTER_LOAD _dl_after_load
/* Names of the architecture-specific auditing callback functions. */
#define ARCH_LA_PLTENTER tile_gnu_pltenter
#define ARCH_LA_PLTEXIT tile_gnu_pltexit
#endif /* !dl_machine_h */
#ifdef RESOLVE_MAP
struct reloc_howto
{
/* Right shift operand by this number of bits. */
unsigned char right_shift;
#ifdef __tilegx__
/* If nonzero, this is updating a code bundle. */
unsigned char is_bundle_update;
#else
/* If nonzero, add 0x8000 to the value. */
unsigned char add_0x8000;
#endif
/* If nonzero, subtract the containing address from the address. */
unsigned char is_pcrel;
/* Size in bytes, or 0 if this table entry should be ignored. */
unsigned char byte_size;
};
/* Relocation information. Cannot contain create_* function pointers
because then the table would not be position-independent. */
static const struct reloc_howto howto[] =
{
#ifdef __tilegx__
# if __WORDSIZE == 32
/* The GX -m32 loader only handles 32-bit types, so it will be confused
by shifts larger than that. We convert them to just sign-extend;
they usually indicate a program bug or missed optimization, but we
have to handle them correctly anyway. */
# define S32 31
# define S48 31
# else
# define S32 32
# define S48 48
# endif
/* R_TILEGX_NONE */ { 0, 0, 0, 0 },
/* R_TILEGX_64 */ { 0, 0, 0, 8 },
/* R_TILEGX_32 */ { 0, 0, 0, 4 },
/* R_TILEGX_16 */ { 0, 0, 0, 2 },
/* R_TILEGX_8 */ { 0, 0, 0, 1 },
/* R_TILEGX_64_PCREL */ { 0, 0, 1, 8 },
/* R_TILEGX_32_PCREL */ { 0, 0, 1, 4 },
/* R_TILEGX_16_PCREL */ { 0, 0, 1, 2 },
/* R_TILEGX_8_PCREL */ { 0, 0, 1, 1 },
/* R_TILEGX_HW0 */ { 0, 0, 0, 0 },
/* R_TILEGX_HW1 */ { 16, 0, 0, 0 },
/* R_TILEGX_HW2 */ { S32, 0, 0, 0 },
/* R_TILEGX_HW3 */ { S48, 0, 0, 0 },
/* R_TILEGX_HW0_LAST */ { 0, 0, 0, 0 },
/* R_TILEGX_HW1_LAST */ { 16, 0, 0, 0 },
/* R_TILEGX_HW2_LAST */ { S32, 0, 0, 0 },
/* R_TILEGX_COPY */ { 0, 0, 0, 0 },
/* R_TILEGX_GLOB_DAT */ { 0, 0, 0, 8 },
/* R_TILEGX_JMP_SLOT */ { 0, 0, 0, 0 },
/* R_TILEGX_RELATIVE */ { 0, 0, 0, 0 },
/* R_TILEGX_BROFF_X1 */ { 3, 1, 1, 8 },
/* R_TILEGX_JUMPOFF_X1 */ { 3, 1, 1, 8 },
/* R_TILEGX_JUMPOFF_X1_PLT */ { 3, 1, 1, 8 },
/* R_TILEGX_IMM8_X0 */ { 0, 1, 0, 8 },
/* R_TILEGX_IMM8_Y0 */ { 0, 1, 0, 8 },
/* R_TILEGX_IMM8_X1 */ { 0, 1, 0, 8 },
/* R_TILEGX_IMM8_Y1 */ { 0, 1, 0, 8 },
/* R_TILEGX_DEST_IMM8_X1 */ { 0, 1, 0, 8 },
/* R_TILEGX_MT_IMM14_X1 */ { 0, 1, 0, 8 },
/* R_TILEGX_MF_IMM14_X1 */ { 0, 1, 0, 8 },
/* R_TILEGX_MMSTART_X0 */ { 0, 1, 0, 8 },
/* R_TILEGX_MMEND_X0 */ { 0, 1, 0, 8 },
/* R_TILEGX_SHAMT_X0 */ { 0, 1, 0, 8 },
/* R_TILEGX_SHAMT_X1 */ { 0, 1, 0, 8 },
/* R_TILEGX_SHAMT_Y0 */ { 0, 1, 0, 8 },
/* R_TILEGX_SHAMT_Y1 */ { 0, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW0 */ { 0, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW0 */ { 0, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW1 */ { 16, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW1 */ { 16, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW2 */ { S32, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW2 */ { S32, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW3 */ { S48, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW3 */ { S48, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW0_LAST */ { 0, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW0_LAST */ { 0, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW1_LAST */ { 16, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW1_LAST */ { 16, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW2_LAST */ { S32, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW2_LAST */ { S32, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW0_PCREL */ { 0, 1, 1, 8 },
/* R_TILEGX_IMM16_X1_HW0_PCREL */ { 0, 1, 1, 8 },
/* R_TILEGX_IMM16_X0_HW1_PCREL */ { 16, 1, 1, 8 },
/* R_TILEGX_IMM16_X1_HW1_PCREL */ { 16, 1, 1, 8 },
/* R_TILEGX_IMM16_X0_HW2_PCREL */ { S32, 1, 1, 8 },
/* R_TILEGX_IMM16_X1_HW2_PCREL */ { S32, 1, 1, 8 },
/* R_TILEGX_IMM16_X0_HW3_PCREL */ { S48, 1, 1, 8 },
/* R_TILEGX_IMM16_X1_HW3_PCREL */ { S48, 1, 1, 8 },
/* R_TILEGX_IMM16_X0_HW0_LAST_PCREL */ { 0, 1, 1, 8 },
/* R_TILEGX_IMM16_X1_HW0_LAST_PCREL */ { 0, 1, 1, 8 },
/* R_TILEGX_IMM16_X0_HW1_LAST_PCREL */ { 16, 1, 1, 8 },
/* R_TILEGX_IMM16_X1_HW1_LAST_PCREL */ { 16, 1, 1, 8 },
/* R_TILEGX_IMM16_X0_HW2_LAST_PCREL */ { S32, 1, 1, 8 },
/* R_TILEGX_IMM16_X1_HW2_LAST_PCREL */ { S32, 1, 1, 8 },
/* R_TILEGX_IMM16_X0_HW0_GOT */ { 0, 1, 0, 0 },
/* R_TILEGX_IMM16_X1_HW0_GOT */ { 0, 1, 0, 0 },
/* R_TILEGX_IMM16_X0_HW1_GOT */ { 16, 1, 0, 0 },
/* R_TILEGX_IMM16_X1_HW1_GOT */ { 16, 1, 0, 0 },
/* R_TILEGX_IMM16_X0_HW2_GOT */ { S32, 1, 0, 0 },
/* R_TILEGX_IMM16_X1_HW2_GOT */ { S32, 1, 0, 0 },
/* R_TILEGX_IMM16_X0_HW3_GOT */ { S48, 1, 0, 0 },
/* R_TILEGX_IMM16_X1_HW3_GOT */ { S48, 1, 0, 0 },
/* R_TILEGX_IMM16_X0_HW0_LAST_GOT */ { 0, 1, 0, 0 },
/* R_TILEGX_IMM16_X1_HW0_LAST_GOT */ { 0, 1, 0, 0 },
/* R_TILEGX_IMM16_X0_HW1_LAST_GOT */ { 16, 1, 0, 0 },
/* R_TILEGX_IMM16_X1_HW1_LAST_GOT */ { 16, 1, 0, 0 },
/* R_TILEGX_IMM16_X0_HW2_LAST_GOT */ { S32, 1, 0, 0 },
/* R_TILEGX_IMM16_X1_HW2_LAST_GOT */ { S32, 1, 0, 0 },
/* R_TILEGX_IMM16_X0_HW0_TLS_GD */ { 0, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW0_TLS_GD */ { 0, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW1_TLS_GD */ { 16, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW1_TLS_GD */ { 16, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW2_TLS_GD */ { S32, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW2_TLS_GD */ { S32, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW3_TLS_GD */ { S48, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW3_TLS_GD */ { S48, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD */{ 0, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD */{ 0, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD */{ 16, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD */{ 16, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW2_LAST_TLS_GD */{ S32, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW2_LAST_TLS_GD */{ S32, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW0_TLS_IE */ { 0, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW0_TLS_IE */ { 0, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW1_TLS_IE */ { 16, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW1_TLS_IE */ { 16, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW2_TLS_IE */ { S32, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW2_TLS_IE */ { S32, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW3_TLS_IE */ { S48, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW3_TLS_IE */ { S48, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE */{ 0, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE */{ 0, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE */{ 16, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE */{ 16, 1, 0, 8 },
/* R_TILEGX_IMM16_X0_HW2_LAST_TLS_IE */{ S32, 1, 0, 8 },
/* R_TILEGX_IMM16_X1_HW2_LAST_TLS_IE */{ S32, 1, 0, 8 },
/* R_TILEGX_TLS_DTPMOD64 */ { 0, 0, 0, 0 },
/* R_TILEGX_TLS_DTPOFF64 */ { 0, 0, 0, 0 },
/* R_TILEGX_TLS_TPOFF64 */ { 0, 0, 0, 0 },
/* R_TILEGX_TLS_DTPMOD32 */ { 0, 0, 0, 0 },
/* R_TILEGX_TLS_DTPOFF32 */ { 0, 0, 0, 0 },
/* R_TILEGX_TLS_TPOFF32 */ { 0, 0, 0, 0 }
#else
/* R_TILEPRO_NONE */ { 0, 0, 0, 0 },
/* R_TILEPRO_32 */ { 0, 0, 0, 4 },
/* R_TILEPRO_16 */ { 0, 0, 0, 2 },
/* R_TILEPRO_8 */ { 0, 0, 0, 1 },
/* R_TILEPRO_32_PCREL */ { 0, 0, 1, 4 },
/* R_TILEPRO_16_PCREL */ { 0, 0, 1, 2 },
/* R_TILEPRO_8_PCREL */ { 0, 0, 1, 1 },
/* R_TILEPRO_LO16 */ { 0, 0, 0, 2 },
/* R_TILEPRO_HI16 */ { 16, 0, 0, 2 },
/* R_TILEPRO_HA16 */ { 16, 1, 0, 2 },
/* R_TILEPRO_COPY */ { 0, 0, 0, 0 },
/* R_TILEPRO_GLOB_DAT */ { 0, 0, 0, 4 },
/* R_TILEPRO_JMP_SLOT */ { 0, 0, 0, 0 },
/* R_TILEPRO_RELATIVE */ { 0, 0, 0, 0 },
/* R_TILEPRO_BROFF_X1 */ { 3, 0, 1, 8 },
/* R_TILEPRO_JOFFLONG_X1 */ { 3, 0, 1, 8 },
/* R_TILEPRO_JOFFLONG_X1_PLT */ { 3, 0, 1, 8 },
/* R_TILEPRO_IMM8_X0 */ { 0, 0, 0, 8 },
/* R_TILEPRO_IMM8_Y0 */ { 0, 0, 0, 8 },
/* R_TILEPRO_IMM8_X1 */ { 0, 0, 0, 8 },
/* R_TILEPRO_IMM8_Y1 */ { 0, 0, 0, 8 },
/* R_TILEPRO_MT_IMM15_X1 */ { 0, 0, 0, 8 },
/* R_TILEPRO_MF_IMM15_X1 */ { 0, 0, 0, 8 },
/* R_TILEPRO_IMM16_X0 */ { 0, 0, 0, 8 },
/* R_TILEPRO_IMM16_X1 */ { 0, 0, 0, 8 },
/* R_TILEPRO_IMM16_X0_LO */ { 0, 0, 0, 8 },
/* R_TILEPRO_IMM16_X1_LO */ { 0, 0, 0, 8 },
/* R_TILEPRO_IMM16_X0_HI */ { 16, 0, 0, 8 },
/* R_TILEPRO_IMM16_X1_HI */ { 16, 0, 0, 8 },
/* R_TILEPRO_IMM16_X0_HA */ { 16, 1, 0, 8 },
/* R_TILEPRO_IMM16_X1_HA */ { 16, 1, 0, 8 },
/* R_TILEPRO_IMM16_X0_PCREL */ { 0, 0, 1, 8 },
/* R_TILEPRO_IMM16_X1_PCREL */ { 0, 0, 1, 8 },
/* R_TILEPRO_IMM16_X0_LO_PCREL */ { 0, 0, 1, 8 },
/* R_TILEPRO_IMM16_X1_LO_PCREL */ { 0, 0, 1, 8 },
/* R_TILEPRO_IMM16_X0_HI_PCREL */ { 16, 0, 1, 8 },
/* R_TILEPRO_IMM16_X1_HI_PCREL */ { 16, 0, 1, 8 },
/* R_TILEPRO_IMM16_X0_HA_PCREL */ { 16, 1, 1, 8 },
/* R_TILEPRO_IMM16_X1_HA_PCREL */ { 16, 1, 1, 8 },
/* R_TILEPRO_IMM16_X0_GOT */ { 0, 0, 0, 0 },
/* R_TILEPRO_IMM16_X1_GOT */ { 0, 0, 0, 0 },
/* R_TILEPRO_IMM16_X0_GOT_LO */ { 0, 0, 0, 0 },
/* R_TILEPRO_IMM16_X1_GOT_LO */ { 0, 0, 0, 0 },
/* R_TILEPRO_IMM16_X0_GOT_HI */ { 0, 0, 0, 0 },
/* R_TILEPRO_IMM16_X1_GOT_HI */ { 0, 0, 0, 0 },
/* R_TILEPRO_IMM16_X0_GOT_HA */ { 0, 0, 0, 0 },
/* R_TILEPRO_IMM16_X1_GOT_HA */ { 0, 0, 0, 0 },
/* R_TILEPRO_MMSTART_X0 */ { 0, 0, 0, 8 },
/* R_TILEPRO_MMEND_X0 */ { 0, 0, 0, 8 },
/* R_TILEPRO_MMSTART_X1 */ { 0, 0, 0, 8 },
/* R_TILEPRO_MMEND_X1 */ { 0, 0, 0, 8 },
/* R_TILEPRO_SHAMT_X0 */ { 0, 0, 0, 8 },
/* R_TILEPRO_SHAMT_X1 */ { 0, 0, 0, 8 },
/* R_TILEPRO_SHAMT_Y0 */ { 0, 0, 0, 8 },
/* R_TILEPRO_SHAMT_Y1 */ { 0, 0, 0, 8 },
/* R_TILEPRO_SN_BROFF */ { 0, 0, 0, 0 },
/* R_TILEPRO_SN_IMM8 */ { 0, 0, 0, 0 },
/* R_TILEPRO_SN_UIMM8 */ { 0, 0, 0, 0 },
/* R_TILEPRO_SN_BYTE0 */ { 0, 0, 0, 0 },
/* R_TILEPRO_SN_BYTE1 */ { 0, 0, 0, 0 },
/* R_TILEPRO_SN_BYTE2 */ { 0, 0, 0, 0 },
/* R_TILEPRO_SN_BYTE3 */ { 0, 0, 0, 0 },
/* R_TILEPRO_SN_SPCREL0 */ { 0, 0, 0, 0 },
/* R_TILEPRO_SN_SPCREL1 */ { 0, 0, 0, 0 },
/* R_TILEPRO_SN_SPCREL2 */ { 0, 0, 0, 0 },
/* R_TILEPRO_SN_SPCREL3 */ { 0, 0, 0, 0 },
/* R_TILEPRO_IMM16_X0_TLS_GD */ { 0, 0, 0, 8 },
/* R_TILEPRO_IMM16_X1_TLS_GD */ { 0, 0, 0, 8 },
/* R_TILEPRO_IMM16_X0_TLS_GD_LO */ { 0, 0, 0, 8 },
/* R_TILEPRO_IMM16_X1_TLS_GD_LO */ { 0, 0, 0, 8 },
/* R_TILEPRO_IMM16_X0_TLS_GD_HI */ { 16, 0, 0, 8 },
/* R_TILEPRO_IMM16_X1_TLS_GD_HI */ { 16, 0, 0, 8 },
/* R_TILEPRO_IMM16_X0_TLS_GD_HA */ { 16, 1, 0, 8 },
/* R_TILEPRO_IMM16_X1_TLS_GD_HA */ { 16, 1, 0, 8 },
/* R_TILEPRO_IMM16_X0_TLS_IE */ { 0, 0, 0, 8 },
/* R_TILEPRO_IMM16_X1_TLS_IE */ { 0, 0, 0, 8 },
/* R_TILEPRO_IMM16_X0_TLS_IE_LO */ { 0, 0, 0, 8 },
/* R_TILEPRO_IMM16_X1_TLS_IE_LO */ { 0, 0, 0, 8 },
/* R_TILEPRO_IMM16_X0_TLS_IE_HI */ { 16, 0, 0, 8 },
/* R_TILEPRO_IMM16_X1_TLS_IE_HI */ { 16, 0, 0, 8 },
/* R_TILEPRO_IMM16_X0_TLS_IE_HA */ { 16, 1, 0, 8 },
/* R_TILEPRO_IMM16_X1_TLS_IE_HA */ { 16, 1, 0, 8 },
/* R_TILEPRO_TLS_DTPMOD32 */ { 0, 0, 0, 0 },
/* R_TILEPRO_TLS_DTPOFF32 */ { 0, 0, 0, 0 },
/* R_TILEPRO_TLS_TPOFF32 */ { 0, 0, 0, 0 },
#endif
};
#if __ELF_NATIVE_CLASS == 32
#define ELFW_R_TYPE ELF32_R_TYPE
#define ELFW_ST_TYPE ELF32_ST_TYPE
#else
#define ELFW_R_TYPE ELF64_R_TYPE
#define ELFW_ST_TYPE ELF64_ST_TYPE
#endif
/* Perform the relocation specified by RELOC and SYM (which is fully resolved).
MAP is the object containing the reloc. */
auto inline void __attribute__ ((always_inline))
elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
const ElfW(Sym) *sym, const struct r_found_version *version,
void *const reloc_addr_arg, int skip_ifunc)
{
ElfW(Addr) *const reloc_addr = reloc_addr_arg;
const unsigned int r_type = ELFW_R_TYPE (reloc->r_info);
#if !defined RTLD_BOOTSTRAP || !defined HAVE_Z_COMBRELOC
if (__builtin_expect (r_type == R_TILE(RELATIVE), 0))
{
# if !defined RTLD_BOOTSTRAP && !defined HAVE_Z_COMBRELOC
/* This is defined in rtld.c, but nowhere in the static libc.a;
make the reference weak so static programs can still link.
This declaration cannot be done when compiling rtld.c
(i.e. #ifdef RTLD_BOOTSTRAP) because rtld.c contains the
common defn for _dl_rtld_map, which is incompatible with a
weak decl in the same file. */
# ifndef SHARED
weak_extern (GL(dl_rtld_map));
# endif
if (map != &GL(dl_rtld_map)) /* Already done in rtld itself. */
# endif
*reloc_addr = map->l_addr + reloc->r_addend;
return;
}
#endif
if (__builtin_expect (r_type == R_TILE(NONE), 0))
return;
#if !defined RTLD_BOOTSTRAP && !defined RESOLVE_CONFLICT_FIND_MAP
const ElfW(Sym) *const refsym = sym;
#endif
struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
ElfW(Addr) value;
if (sym == NULL)
value = 0;
else if (ELFW_ST_TYPE (sym->st_info) == STT_SECTION)
value = map->l_addr; /* like a RELATIVE reloc */
else
value = sym_map->l_addr + sym->st_value;
if (sym != NULL
&& __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)
&& __builtin_expect (sym->st_shndx != SHN_UNDEF, 1)
&& __builtin_expect (!skip_ifunc, 1))
value = ((Elf64_Addr (*) (void)) value) ();
switch (r_type)
{
case R_TILE(JMP_SLOT):
elf_machine_fixup_plt (map, 0, reloc, reloc_addr,
value + reloc->r_addend);
return;
#ifndef RESOLVE_CONFLICT_FIND_MAP
case R_TILE_TLS(DTPMOD):
# ifdef RTLD_BOOTSTRAP
/* During startup the dynamic linker is always the module
with index 1.
XXX If this relocation is necessary move before RESOLVE
call. */
*reloc_addr = 1;
# else
/* Get the information from the link map returned by the
resolv function. */
if (sym_map != NULL)
*reloc_addr = sym_map->l_tls_modid;
# endif
return;
case R_TILE_TLS(DTPOFF):
# ifndef RTLD_BOOTSTRAP
/* During relocation all TLS symbols are defined and used.
Therefore the offset is already correct. */
if (sym != NULL)
*reloc_addr = sym->st_value + reloc->r_addend;
# endif
return;
case R_TILE_TLS(TPOFF):
# ifdef RTLD_BOOTSTRAP
*reloc_addr = sym->st_value + reloc->r_addend + map->l_tls_offset;
# else
if (sym != NULL)
{
CHECK_STATIC_TLS (map, sym_map);
*reloc_addr = (sym->st_value + reloc->r_addend
+ sym_map->l_tls_offset);
}
#endif
return;
#endif /* use TLS */
#if !defined RTLD_BOOTSTRAP && !defined RESOLVE_CONFLICT_FIND_MAP
/* Not needed in dl-conflict.c. */
case R_TILE(COPY):
if (sym == NULL)
/* This can happen in trace mode if an object could not be found. */
return;
if (__builtin_expect (sym->st_size > refsym->st_size, 0)
|| (__builtin_expect (sym->st_size < refsym->st_size, 0)
&& __builtin_expect (GLRO(dl_verbose), 0)))
{
const char *strtab;
strtab = (const char *) D_PTR (map,l_info[DT_STRTAB]);
_dl_error_printf ("%s: Symbol `%s' has different size in shared"
" object, consider re-linking\n",
RTLD_PROGNAME, strtab + refsym->st_name);
}
memcpy (reloc_addr_arg, (void *) value,
MIN (sym->st_size, refsym->st_size));
return;
#endif
}
/* All remaining relocations must be in the lookup table. */
const struct reloc_howto *h = &howto[r_type];
if ((unsigned int) r_type >= sizeof howto / sizeof howto[0] ||
h->byte_size == 0)
{
#if !defined RTLD_BOOTSTRAP || defined _NDEBUG
/* We add these checks in the version to relocate ld.so only
if we are still debugging. */
_dl_reloc_bad_type (map, r_type, 0);
#endif
return;
}
value += reloc->r_addend;
/* The lookup table entry knows how to perform this reloc. */
if (h->is_pcrel)
value -= (ElfW(Addr)) reloc_addr;
#ifndef __tilegx__
if (h->add_0x8000)
value += 0x8000;
#endif
value = ((long) value) >> h->right_shift;
switch (h->byte_size)
{
case 1:
*(char *) reloc_addr = value;
return;
case 2:
*(short *) reloc_addr = value;
return;
case 4:
*(int *) reloc_addr = value;
return;
#ifdef __tilegx__
case 8:
if (!h->is_bundle_update)
{
*(ElfW(Addr) *) reloc_addr = value;
return;
}
#endif
}
/* We are updating a bundle, so use the function pointer that
swizzles the operand bits into the right location. */
tile_bundle_bits *p = (tile_bundle_bits *) reloc_addr;
tile_bundle_bits bits = *p;
#define MUNGE_SIGNED(func, length) do { \
bits = ((bits & ~create_##func (-1)) | create_##func (value)); \
ElfW(Addr) result = get_##func (bits); \
int signbits = __WORDSIZE - length; \
result = (long) (result << signbits) >> signbits; \
if (result != value) \
_dl_signal_error (0, map->l_name, NULL, \
"relocation value too large for " #func); \
} while (0)
#define MUNGE(func) MUNGE_SIGNED(func, __WORDSIZE)
#define MUNGE_NOCHECK(func) \
bits = ((bits & ~create_##func (-1)) | create_##func (value))
switch (r_type)
{
#ifdef __tilegx__
case R_TILEGX_BROFF_X1:
MUNGE_SIGNED (BrOff_X1, 17);
break;
case R_TILEGX_JUMPOFF_X1:
case R_TILEGX_JUMPOFF_X1_PLT:
MUNGE_SIGNED (JumpOff_X1, 27);
break;
case R_TILEGX_IMM8_X0:
MUNGE_SIGNED (Imm8_X0, 8);
break;
case R_TILEGX_IMM8_Y0:
MUNGE_SIGNED (Imm8_Y0, 8);
break;
case R_TILEGX_IMM8_X1:
MUNGE_SIGNED (Imm8_X1, 8);
break;
case R_TILEGX_IMM8_Y1:
MUNGE_SIGNED (Imm8_Y1, 8);
break;
case R_TILEGX_MT_IMM14_X1:
MUNGE (MT_Imm14_X1);
break;
case R_TILEGX_MF_IMM14_X1:
MUNGE (MF_Imm14_X1);
break;
case R_TILEGX_IMM16_X0_HW0:
case R_TILEGX_IMM16_X0_HW1:
case R_TILEGX_IMM16_X0_HW2:
case R_TILEGX_IMM16_X0_HW3:
case R_TILEGX_IMM16_X0_HW0_PCREL:
case R_TILEGX_IMM16_X0_HW1_PCREL:
case R_TILEGX_IMM16_X0_HW2_PCREL:
case R_TILEGX_IMM16_X0_HW3_PCREL:
case R_TILEGX_IMM16_X0_HW0_TLS_GD:
case R_TILEGX_IMM16_X0_HW0_TLS_IE:
MUNGE_NOCHECK (Imm16_X0);
break;
case R_TILEGX_IMM16_X0_HW0_LAST:
case R_TILEGX_IMM16_X0_HW1_LAST:
case R_TILEGX_IMM16_X0_HW2_LAST:
case R_TILEGX_IMM16_X0_HW0_LAST_PCREL:
case R_TILEGX_IMM16_X0_HW1_LAST_PCREL:
case R_TILEGX_IMM16_X0_HW2_LAST_PCREL:
case R_TILEGX_IMM16_X0_HW0_LAST_TLS_GD:
case R_TILEGX_IMM16_X0_HW1_LAST_TLS_GD:
case R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE:
case R_TILEGX_IMM16_X0_HW1_LAST_TLS_IE:
MUNGE_SIGNED (Imm16_X0, 16);
break;
case R_TILEGX_IMM16_X1_HW0:
case R_TILEGX_IMM16_X1_HW1:
case R_TILEGX_IMM16_X1_HW2:
case R_TILEGX_IMM16_X1_HW3:
case R_TILEGX_IMM16_X1_HW0_PCREL:
case R_TILEGX_IMM16_X1_HW1_PCREL:
case R_TILEGX_IMM16_X1_HW2_PCREL:
case R_TILEGX_IMM16_X1_HW3_PCREL:
case R_TILEGX_IMM16_X1_HW0_TLS_GD:
case R_TILEGX_IMM16_X1_HW0_TLS_IE:
MUNGE_NOCHECK (Imm16_X1);
break;
case R_TILEGX_IMM16_X1_HW0_LAST:
case R_TILEGX_IMM16_X1_HW1_LAST:
case R_TILEGX_IMM16_X1_HW2_LAST:
case R_TILEGX_IMM16_X1_HW0_LAST_PCREL:
case R_TILEGX_IMM16_X1_HW1_LAST_PCREL:
case R_TILEGX_IMM16_X1_HW2_LAST_PCREL:
case R_TILEGX_IMM16_X1_HW0_LAST_TLS_GD:
case R_TILEGX_IMM16_X1_HW1_LAST_TLS_GD:
case R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE:
case R_TILEGX_IMM16_X1_HW1_LAST_TLS_IE:
MUNGE_SIGNED (Imm16_X1, 16);
break;
case R_TILEGX_MMSTART_X0:
MUNGE (BFStart_X0);
break;
case R_TILEGX_MMEND_X0:
MUNGE (BFEnd_X0);
break;
case R_TILEGX_SHAMT_X0:
MUNGE (ShAmt_X0);
break;
case R_TILEGX_SHAMT_X1:
MUNGE (ShAmt_X1);
break;
case R_TILEGX_SHAMT_Y0:
MUNGE (ShAmt_Y0);
break;
case R_TILEGX_SHAMT_Y1:
MUNGE (ShAmt_Y1);
break;
#else
case R_TILEPRO_BROFF_X1:
MUNGE_SIGNED (BrOff_X1, 17);
break;
case R_TILEPRO_JOFFLONG_X1:
case R_TILEPRO_JOFFLONG_X1_PLT:
MUNGE_NOCHECK (JOffLong_X1); /* holds full 32-bit value */
break;
case R_TILEPRO_IMM8_X0:
MUNGE_SIGNED (Imm8_X0, 8);
break;
case R_TILEPRO_IMM8_Y0:
MUNGE_SIGNED (Imm8_Y0, 8);
break;
case R_TILEPRO_IMM8_X1:
MUNGE_SIGNED (Imm8_X1, 8);
break;
case R_TILEPRO_IMM8_Y1:
MUNGE_SIGNED (Imm8_Y1, 8);
break;
case R_TILEPRO_MT_IMM15_X1:
MUNGE (MT_Imm15_X1);
break;
case R_TILEPRO_MF_IMM15_X1:
MUNGE (MF_Imm15_X1);
break;
case R_TILEPRO_IMM16_X0_LO:
case R_TILEPRO_IMM16_X0_HI:
case R_TILEPRO_IMM16_X0_HA:
case R_TILEPRO_IMM16_X0_LO_PCREL:
case R_TILEPRO_IMM16_X0_HI_PCREL:
case R_TILEPRO_IMM16_X0_HA_PCREL:
case R_TILEPRO_IMM16_X0_TLS_GD_LO:
case R_TILEPRO_IMM16_X0_TLS_GD_HI:
case R_TILEPRO_IMM16_X0_TLS_GD_HA:
case R_TILEPRO_IMM16_X0_TLS_IE_LO:
case R_TILEPRO_IMM16_X0_TLS_IE_HI:
case R_TILEPRO_IMM16_X0_TLS_IE_HA:
MUNGE_NOCHECK (Imm16_X0);
break;
case R_TILEPRO_IMM16_X0:
case R_TILEPRO_IMM16_X0_PCREL:
case R_TILEPRO_IMM16_X0_TLS_GD:
case R_TILEPRO_IMM16_X0_TLS_IE:
MUNGE_SIGNED (Imm16_X0, 16);
break;
case R_TILEPRO_IMM16_X1_LO:
case R_TILEPRO_IMM16_X1_HI:
case R_TILEPRO_IMM16_X1_HA:
case R_TILEPRO_IMM16_X1_LO_PCREL:
case R_TILEPRO_IMM16_X1_HI_PCREL:
case R_TILEPRO_IMM16_X1_HA_PCREL:
case R_TILEPRO_IMM16_X1_TLS_GD_LO:
case R_TILEPRO_IMM16_X1_TLS_GD_HI:
case R_TILEPRO_IMM16_X1_TLS_GD_HA:
case R_TILEPRO_IMM16_X1_TLS_IE_LO:
case R_TILEPRO_IMM16_X1_TLS_IE_HI:
case R_TILEPRO_IMM16_X1_TLS_IE_HA:
MUNGE_NOCHECK (Imm16_X1);
break;
case R_TILEPRO_IMM16_X1:
case R_TILEPRO_IMM16_X1_PCREL:
case R_TILEPRO_IMM16_X1_TLS_GD:
case R_TILEPRO_IMM16_X1_TLS_IE:
MUNGE_SIGNED (Imm16_X1, 16);
break;
case R_TILEPRO_MMSTART_X0:
MUNGE (MMStart_X0);
break;
case R_TILEPRO_MMEND_X0:
MUNGE (MMEnd_X0);
break;
case R_TILEPRO_MMSTART_X1:
MUNGE (MMStart_X1);
break;
case R_TILEPRO_MMEND_X1:
MUNGE (MMEnd_X1);
break;
case R_TILEPRO_SHAMT_X0:
MUNGE (ShAmt_X0);
break;
case R_TILEPRO_SHAMT_X1:
MUNGE (ShAmt_X1);
break;
case R_TILEPRO_SHAMT_Y0:
MUNGE (ShAmt_Y0);
break;
case R_TILEPRO_SHAMT_Y1:
MUNGE (ShAmt_Y1);
break;
#endif
}
#undef MUNGE
*p = bits;
_dl_flush_icache (p, sizeof (*p));
}
auto inline void __attribute__ ((always_inline))
elf_machine_rela_relative (ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
void *const reloc_addr_arg)
{
ElfW(Addr) *const reloc_addr = reloc_addr_arg;
*reloc_addr = l_addr + reloc->r_addend;
}
auto inline void __attribute__ ((always_inline))
elf_machine_lazy_rel (struct link_map *map,
ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
int skip_ifunc)
{
const unsigned int r_type = ELF32_R_TYPE (reloc->r_info);
/* Check for unexpected PLT reloc type. */
if (__builtin_expect (r_type == R_TILE(JMP_SLOT), 1))
{
*(ElfW(Addr) *) (l_addr + reloc->r_offset) += l_addr;
}
else
_dl_reloc_bad_type (map, r_type, 1);
}
#endif /* RESOLVE_MAP */
|
