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[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.20.1/] [elfcpp/] [elfcpp.h] - Blame information for rev 252

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// elfcpp.h -- main header file for elfcpp    -*- C++ -*-
2
 
3
// Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
4
// Written by Ian Lance Taylor <iant@google.com>.
5
 
6
// This file is part of elfcpp.
7
 
8
// This program is free software; you can redistribute it and/or
9
// modify it under the terms of the GNU Library General Public License
10
// as published by the Free Software Foundation; either version 2, or
11
// (at your option) any later version.
12
 
13
// In addition to the permissions in the GNU Library General Public
14
// License, the Free Software Foundation gives you unlimited
15
// permission to link the compiled version of this file into
16
// combinations with other programs, and to distribute those
17
// combinations without any restriction coming from the use of this
18
// file.  (The Library Public License restrictions do apply in other
19
// respects; for example, they cover modification of the file, and
20
// distribution when not linked into a combined executable.)
21
 
22
// This program is distributed in the hope that it will be useful, but
23
// WITHOUT ANY WARRANTY; without even the implied warranty of
24
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
25
// Library General Public License for more details.
26
 
27
// You should have received a copy of the GNU Library General Public
28
// License along with this program; if not, write to the Free Software
29
// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
30
// 02110-1301, USA.
31
 
32
// This is the external interface for elfcpp.
33
 
34
#ifndef ELFCPP_H
35
#define ELFCPP_H
36
 
37
#include "elfcpp_swap.h"
38
 
39
#include <stdint.h>
40
 
41
namespace elfcpp
42
{
43
 
44
// Basic ELF types.
45
 
46
// These types are always the same size.
47
 
48
typedef uint16_t Elf_Half;
49
typedef uint32_t Elf_Word;
50
typedef int32_t Elf_Sword;
51
typedef uint64_t Elf_Xword;
52
typedef int64_t Elf_Sxword;
53
 
54
// These types vary in size depending on the ELF file class.  The
55
// template parameter should be 32 or 64.
56
 
57
template<int size>
58
struct Elf_types;
59
 
60
template<>
61
struct Elf_types<32>
62
{
63
  typedef uint32_t Elf_Addr;
64
  typedef uint32_t Elf_Off;
65
  typedef uint32_t Elf_WXword;
66
  typedef int32_t Elf_Swxword;
67
};
68
 
69
template<>
70
struct Elf_types<64>
71
{
72
  typedef uint64_t Elf_Addr;
73
  typedef uint64_t Elf_Off;
74
  typedef uint64_t Elf_WXword;
75
  typedef int64_t Elf_Swxword;
76
};
77
 
78
// Offsets within the Ehdr e_ident field.
79
 
80
const int EI_MAG0 = 0;
81
const int EI_MAG1 = 1;
82
const int EI_MAG2 = 2;
83
const int EI_MAG3 = 3;
84
const int EI_CLASS = 4;
85
const int EI_DATA = 5;
86
const int EI_VERSION = 6;
87
const int EI_OSABI = 7;
88
const int EI_ABIVERSION = 8;
89
const int EI_PAD = 9;
90
const int EI_NIDENT = 16;
91
 
92
// The valid values found in Ehdr e_ident[EI_MAG0 through EI_MAG3].
93
 
94
const int ELFMAG0 = 0x7f;
95
const int ELFMAG1 = 'E';
96
const int ELFMAG2 = 'L';
97
const int ELFMAG3 = 'F';
98
 
99
// The valid values found in Ehdr e_ident[EI_CLASS].
100
 
101
enum
102
{
103
  ELFCLASSNONE = 0,
104
  ELFCLASS32 = 1,
105
  ELFCLASS64 = 2
106
};
107
 
108
// The valid values found in Ehdr e_ident[EI_DATA].
109
 
110
enum
111
{
112
  ELFDATANONE = 0,
113
  ELFDATA2LSB = 1,
114
  ELFDATA2MSB = 2
115
};
116
 
117
// The valid values found in Ehdr e_ident[EI_VERSION] and e_version.
118
 
119
enum
120
{
121
  EV_NONE = 0,
122
  EV_CURRENT = 1
123
};
124
 
125
// The valid values found in Ehdr e_ident[EI_OSABI].
126
 
127
enum ELFOSABI
128
{
129
  ELFOSABI_NONE = 0,
130
  ELFOSABI_HPUX = 1,
131
  ELFOSABI_NETBSD = 2,
132
  // ELFOSABI_LINUX is not listed in the ELF standard.
133
  ELFOSABI_LINUX = 3,
134
  // ELFOSABI_HURD is not listed in the ELF standard.
135
  ELFOSABI_HURD = 4,
136
  ELFOSABI_SOLARIS = 6,
137
  ELFOSABI_AIX = 7,
138
  ELFOSABI_IRIX = 8,
139
  ELFOSABI_FREEBSD = 9,
140
  ELFOSABI_TRU64 = 10,
141
  ELFOSABI_MODESTO = 11,
142
  ELFOSABI_OPENBSD = 12,
143
  ELFOSABI_OPENVMS = 13,
144
  ELFOSABI_NSK = 14,
145
  ELFOSABI_AROS = 15,
146
  // A GNU extension for the ARM.
147
  ELFOSABI_ARM = 97,
148
  // A GNU extension for the MSP.
149
  ELFOSABI_STANDALONE = 255
150
};
151
 
152
// The valid values found in the Ehdr e_type field.
153
 
154
enum ET
155
{
156
  ET_NONE = 0,
157
  ET_REL = 1,
158
  ET_EXEC = 2,
159
  ET_DYN = 3,
160
  ET_CORE = 4,
161
  ET_LOOS = 0xfe00,
162
  ET_HIOS = 0xfeff,
163
  ET_LOPROC = 0xff00,
164
  ET_HIPROC = 0xffff
165
};
166
 
167
// The valid values found in the Ehdr e_machine field.
168
 
169
enum EM
170
{
171
  EM_NONE = 0,
172
  EM_M32 = 1,
173
  EM_SPARC = 2,
174
  EM_386 = 3,
175
  EM_68K = 4,
176
  EM_88K = 5,
177
  // 6 used to be EM_486
178
  EM_860 = 7,
179
  EM_MIPS = 8,
180
  EM_S370 = 9,
181
  EM_MIPS_RS3_LE = 10,
182
  // 11 was the old Sparc V9 ABI.
183
  // 12 through 14 are reserved.
184
  EM_PARISC = 15,
185
  // 16 is reserved.
186
  // Some old PowerPC object files use 17.
187
  EM_VPP500 = 17,
188
  EM_SPARC32PLUS = 18,
189
  EM_960 = 19,
190
  EM_PPC = 20,
191
  EM_PPC64 = 21,
192
  EM_S390 = 22,
193
  // 23 through 35 are served.
194
  EM_V800 = 36,
195
  EM_FR20 = 37,
196
  EM_RH32 = 38,
197
  EM_RCE = 39,
198
  EM_ARM = 40,
199
  EM_ALPHA = 41,
200
  EM_SH = 42,
201
  EM_SPARCV9 = 43,
202
  EM_TRICORE = 44,
203
  EM_ARC = 45,
204
  EM_H8_300 = 46,
205
  EM_H8_300H = 47,
206
  EM_H8S = 48,
207
  EM_H8_500 = 49,
208
  EM_IA_64 = 50,
209
  EM_MIPS_X = 51,
210
  EM_COLDFIRE = 52,
211
  EM_68HC12 = 53,
212
  EM_MMA = 54,
213
  EM_PCP = 55,
214
  EM_NCPU = 56,
215
  EM_NDR1 = 57,
216
  EM_STARCORE = 58,
217
  EM_ME16 = 59,
218
  EM_ST100 = 60,
219
  EM_TINYJ = 61,
220
  EM_X86_64 = 62,
221
  EM_PDSP = 63,
222
  EM_PDP10 = 64,
223
  EM_PDP11 = 65,
224
  EM_FX66 = 66,
225
  EM_ST9PLUS = 67,
226
  EM_ST7 = 68,
227
  EM_68HC16 = 69,
228
  EM_68HC11 = 70,
229
  EM_68HC08 = 71,
230
  EM_68HC05 = 72,
231
  EM_SVX = 73,
232
  EM_ST19 = 74,
233
  EM_VAX = 75,
234
  EM_CRIS = 76,
235
  EM_JAVELIN = 77,
236
  EM_FIREPATH = 78,
237
  EM_ZSP = 79,
238
  EM_MMIX = 80,
239
  EM_HUANY = 81,
240
  EM_PRISM = 82,
241
  EM_AVR = 83,
242
  EM_FR30 = 84,
243
  EM_D10V = 85,
244
  EM_D30V = 86,
245
  EM_V850 = 87,
246
  EM_M32R = 88,
247
  EM_MN10300 = 89,
248
  EM_MN10200 = 90,
249
  EM_PJ = 91,
250
  EM_OPENRISC = 92,
251
  EM_ARC_A5 = 93,
252
  EM_XTENSA = 94,
253
  EM_VIDEOCORE = 95,
254
  EM_TMM_GPP = 96,
255
  EM_NS32K = 97,
256
  EM_TPC = 98,
257
  // Some old picoJava object files use 99 (EM_PJ is correct).
258
  EM_SNP1K = 99,
259
  EM_ST200 = 100,
260
  EM_IP2K = 101,
261
  EM_MAX = 102,
262
  EM_CR = 103,
263
  EM_F2MC16 = 104,
264
  EM_MSP430 = 105,
265
  EM_BLACKFIN = 106,
266
  EM_SE_C33 = 107,
267
  EM_SEP = 108,
268
  EM_ARCA = 109,
269
  EM_UNICORE = 110,
270
  EM_ALTERA_NIOS2 = 113,
271
  EM_CRX = 114,
272
  // The Morph MT.
273
  EM_MT = 0x2530,
274
  // DLX.
275
  EM_DLX = 0x5aa5,
276
  // FRV.
277
  EM_FRV = 0x5441,
278
  // Infineon Technologies 16-bit microcontroller with C166-V2 core.
279
  EM_X16X = 0x4688,
280
  // Xstorym16
281
  EM_XSTORMY16 = 0xad45,
282
  // Renesas M32C
283
  EM_M32C = 0xfeb0,
284
  // Vitesse IQ2000
285
  EM_IQ2000 = 0xfeba,
286
  // NIOS
287
  EM_NIOS32 = 0xfebb
288
  // Old AVR objects used 0x1057 (EM_AVR is correct).
289
  // Old MSP430 objects used 0x1059 (EM_MSP430 is correct).
290
  // Old FR30 objects used 0x3330 (EM_FR30 is correct).
291
  // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OPENRISC is correct).
292
  // Old D10V objects used 0x7650 (EM_D10V is correct).
293
  // Old D30V objects used 0x7676 (EM_D30V is correct).
294
  // Old IP2X objects used 0x8217 (EM_IP2K is correct).
295
  // Old PowerPC objects used 0x9025 (EM_PPC is correct).
296
  // Old Alpha objects used 0x9026 (EM_ALPHA is correct).
297
  // Old M32R objects used 0x9041 (EM_M32R is correct).
298
  // Old V850 objects used 0x9080 (EM_V850 is correct).
299
  // Old S/390 objects used 0xa390 (EM_S390 is correct).
300
  // Old Xtensa objects used 0xabc7 (EM_XTENSA is correct).
301
  // Old MN10300 objects used 0xbeef (EM_MN10300 is correct).
302
  // Old MN10200 objects used 0xdead (EM_MN10200 is correct).
303
};
304
 
305
// Special section indices.
306
 
307
enum
308
{
309
  SHN_UNDEF = 0,
310
  SHN_LORESERVE = 0xff00,
311
  SHN_LOPROC = 0xff00,
312
  SHN_HIPROC = 0xff1f,
313
  SHN_LOOS = 0xff20,
314
  SHN_HIOS = 0xff3f,
315
  SHN_ABS = 0xfff1,
316
  SHN_COMMON = 0xfff2,
317
  SHN_XINDEX = 0xffff,
318
  SHN_HIRESERVE = 0xffff,
319
 
320
  // Provide for initial and final section ordering in conjunction
321
  // with the SHF_LINK_ORDER and SHF_ORDERED section flags.
322
  SHN_BEFORE = 0xff00,
323
  SHN_AFTER = 0xff01,
324
 
325
  // x86_64 specific large common symbol.
326
  SHN_X86_64_LCOMMON = 0xff02
327
};
328
 
329
// The valid values found in the Shdr sh_type field.
330
 
331
enum SHT
332
{
333
  SHT_NULL = 0,
334
  SHT_PROGBITS = 1,
335
  SHT_SYMTAB = 2,
336
  SHT_STRTAB = 3,
337
  SHT_RELA = 4,
338
  SHT_HASH = 5,
339
  SHT_DYNAMIC = 6,
340
  SHT_NOTE = 7,
341
  SHT_NOBITS = 8,
342
  SHT_REL = 9,
343
  SHT_SHLIB = 10,
344
  SHT_DYNSYM = 11,
345
  SHT_INIT_ARRAY = 14,
346
  SHT_FINI_ARRAY = 15,
347
  SHT_PREINIT_ARRAY = 16,
348
  SHT_GROUP = 17,
349
  SHT_SYMTAB_SHNDX = 18,
350
  SHT_LOOS = 0x60000000,
351
  SHT_HIOS = 0x6fffffff,
352
  SHT_LOPROC = 0x70000000,
353
  SHT_HIPROC = 0x7fffffff,
354
  SHT_LOUSER = 0x80000000,
355
  SHT_HIUSER = 0xffffffff,
356
  // The remaining values are not in the standard.
357
  // Incremental build data.
358
  SHT_GNU_INCREMENTAL_INPUTS = 0x6fff4700,
359
  // Object attributes.
360
  SHT_GNU_ATTRIBUTES = 0x6ffffff5,
361
  // GNU style dynamic hash table.
362
  SHT_GNU_HASH = 0x6ffffff6,
363
  // List of prelink dependencies.
364
  SHT_GNU_LIBLIST = 0x6ffffff7,
365
  // Versions defined by file.
366
  SHT_SUNW_verdef = 0x6ffffffd,
367
  SHT_GNU_verdef = 0x6ffffffd,
368
  // Versions needed by file.
369
  SHT_SUNW_verneed = 0x6ffffffe,
370
  SHT_GNU_verneed = 0x6ffffffe,
371
  // Symbol versions,
372
  SHT_SUNW_versym = 0x6fffffff,
373
  SHT_GNU_versym = 0x6fffffff,
374
 
375
  SHT_SPARC_GOTDATA = 0x70000000,
376
 
377
  // ARM-specific section types.
378
  // Exception Index table.
379
  SHT_ARM_EXIDX = 0x70000001,
380
  // BPABI DLL dynamic linking pre-emption map.
381
  SHT_ARM_PREEMPTMAP = 0x70000002,
382
  // Object file compatibility attributes.
383
  SHT_ARM_ATTRIBUTES = 0x70000003,
384
  // Support for debugging overlaid programs.
385
  SHT_ARM_DEBUGOVERLAY = 0x70000004,
386
  SHT_ARM_OVERLAYSECTION = 0x70000005,
387
 
388
  // x86_64 unwind information.
389
  SHT_X86_64_UNWIND = 0x70000001,
390
 
391
  // Link editor is to sort the entries in this section based on the
392
  // address specified in the associated symbol table entry.
393
  SHT_ORDERED = 0x7fffffff,
394
};
395
 
396
// The valid bit flags found in the Shdr sh_flags field.
397
 
398
enum SHF
399
{
400
  SHF_WRITE = 0x1,
401
  SHF_ALLOC = 0x2,
402
  SHF_EXECINSTR = 0x4,
403
  SHF_MERGE = 0x10,
404
  SHF_STRINGS = 0x20,
405
  SHF_INFO_LINK = 0x40,
406
  SHF_LINK_ORDER = 0x80,
407
  SHF_OS_NONCONFORMING = 0x100,
408
  SHF_GROUP = 0x200,
409
  SHF_TLS = 0x400,
410
  SHF_MASKOS = 0x0ff00000,
411
  SHF_MASKPROC = 0xf0000000,
412
 
413
  // Indicates this section requires ordering in relation to
414
  // other sections of the same type.  Ordered sections are
415
  // combined within the section pointed to by the sh_link entry.
416
  // The sh_info values SHN_BEFORE and SHN_AFTER imply that the
417
  // sorted section is to precede or follow, respectively, all
418
  // other sections in the set being ordered.
419
  SHF_ORDERED = 0x40000000,
420
  // This section is excluded from input to the link-edit of an
421
  // executable or shared object.  This flag is ignored if SHF_ALLOC
422
  // is also set, or if relocations exist against the section.
423
  SHF_EXCLUDE = 0x80000000,
424
 
425
  // x86_64 specific large section.
426
  SHF_X86_64_LARGE = 0x10000000
427
};
428
 
429
// Bit flags which appear in the first 32-bit word of the section data
430
// of a SHT_GROUP section.
431
 
432
enum
433
{
434
  GRP_COMDAT = 0x1,
435
  GRP_MASKOS = 0x0ff00000,
436
  GRP_MASKPROC = 0xf0000000
437
};
438
 
439
// The valid values found in the Phdr p_type field.
440
 
441
enum PT
442
{
443
  PT_NULL = 0,
444
  PT_LOAD = 1,
445
  PT_DYNAMIC = 2,
446
  PT_INTERP = 3,
447
  PT_NOTE = 4,
448
  PT_SHLIB = 5,
449
  PT_PHDR = 6,
450
  PT_TLS = 7,
451
  PT_LOOS = 0x60000000,
452
  PT_HIOS = 0x6fffffff,
453
  PT_LOPROC = 0x70000000,
454
  PT_HIPROC = 0x7fffffff,
455
  // The remaining values are not in the standard.
456
  // Frame unwind information.
457
  PT_GNU_EH_FRAME = 0x6474e550,
458
  PT_SUNW_EH_FRAME = 0x6474e550,
459
  // Stack flags.
460
  PT_GNU_STACK = 0x6474e551,
461
  // Read only after relocation.
462
  PT_GNU_RELRO = 0x6474e552,
463
  // Platform architecture compatibility information
464
  PT_ARM_ARCHEXT = 0x70000000,
465
  // Exception unwind tables
466
  PT_ARM_EXIDX = 0x70000001
467
};
468
 
469
// The valid bit flags found in the Phdr p_flags field.
470
 
471
enum PF
472
{
473
  PF_X = 0x1,
474
  PF_W = 0x2,
475
  PF_R = 0x4,
476
  PF_MASKOS = 0x0ff00000,
477
  PF_MASKPROC = 0xf0000000
478
};
479
 
480
// Symbol binding from Sym st_info field.
481
 
482
enum STB
483
{
484
  STB_LOCAL = 0,
485
  STB_GLOBAL = 1,
486
  STB_WEAK = 2,
487
  STB_LOOS = 10,
488
  STB_GNU_UNIQUE = 10,
489
  STB_HIOS = 12,
490
  STB_LOPROC = 13,
491
  STB_HIPROC = 15
492
};
493
 
494
// Symbol types from Sym st_info field.
495
 
496
enum STT
497
{
498
  STT_NOTYPE = 0,
499
  STT_OBJECT = 1,
500
  STT_FUNC = 2,
501
  STT_SECTION = 3,
502
  STT_FILE = 4,
503
  STT_COMMON = 5,
504
  STT_TLS = 6,
505
  STT_LOOS = 10,
506
  STT_GNU_IFUNC = 10,
507
  STT_HIOS = 12,
508
  STT_LOPROC = 13,
509
  STT_HIPROC = 15,
510
 
511
  // The section type that must be used for register symbols on
512
  // Sparc.  These symbols initialize a global register.
513
  STT_SPARC_REGISTER = 13,
514
 
515
  // ARM: a THUMB function.  This is not defined in ARM ELF Specification but
516
  // used by the GNU tool-chain.
517
  STT_ARM_TFUNC = 13,
518
};
519
 
520
inline STB
521
elf_st_bind(unsigned char info)
522
{
523
  return static_cast<STB>(info >> 4);
524
}
525
 
526
inline STT
527
elf_st_type(unsigned char info)
528
{
529
  return static_cast<STT>(info & 0xf);
530
}
531
 
532
inline unsigned char
533
elf_st_info(STB bind, STT type)
534
{
535
  return ((static_cast<unsigned char>(bind) << 4)
536
          + (static_cast<unsigned char>(type) & 0xf));
537
}
538
 
539
// Symbol visibility from Sym st_other field.
540
 
541
enum STV
542
{
543
  STV_DEFAULT = 0,
544
  STV_INTERNAL = 1,
545
  STV_HIDDEN = 2,
546
  STV_PROTECTED = 3
547
};
548
 
549
inline STV
550
elf_st_visibility(unsigned char other)
551
{
552
  return static_cast<STV>(other & 0x3);
553
}
554
 
555
inline unsigned char
556
elf_st_nonvis(unsigned char other)
557
{
558
  return static_cast<STV>(other >> 2);
559
}
560
 
561
inline unsigned char
562
elf_st_other(STV vis, unsigned char nonvis)
563
{
564
  return ((nonvis << 2)
565
          + (static_cast<unsigned char>(vis) & 3));
566
}
567
 
568
// Reloc information from Rel/Rela r_info field.
569
 
570
template<int size>
571
unsigned int
572
elf_r_sym(typename Elf_types<size>::Elf_WXword);
573
 
574
template<>
575
inline unsigned int
576
elf_r_sym<32>(Elf_Word v)
577
{
578
  return v >> 8;
579
}
580
 
581
template<>
582
inline unsigned int
583
elf_r_sym<64>(Elf_Xword v)
584
{
585
  return v >> 32;
586
}
587
 
588
template<int size>
589
unsigned int
590
elf_r_type(typename Elf_types<size>::Elf_WXword);
591
 
592
template<>
593
inline unsigned int
594
elf_r_type<32>(Elf_Word v)
595
{
596
  return v & 0xff;
597
}
598
 
599
template<>
600
inline unsigned int
601
elf_r_type<64>(Elf_Xword v)
602
{
603
  return v & 0xffffffff;
604
}
605
 
606
template<int size>
607
typename Elf_types<size>::Elf_WXword
608
elf_r_info(unsigned int s, unsigned int t);
609
 
610
template<>
611
inline Elf_Word
612
elf_r_info<32>(unsigned int s, unsigned int t)
613
{
614
  return (s << 8) + (t & 0xff);
615
}
616
 
617
template<>
618
inline Elf_Xword
619
elf_r_info<64>(unsigned int s, unsigned int t)
620
{
621
  return (static_cast<Elf_Xword>(s) << 32) + (t & 0xffffffff);
622
}
623
 
624
// Dynamic tags found in the PT_DYNAMIC segment.
625
 
626
enum DT
627
{
628
  DT_NULL = 0,
629
  DT_NEEDED = 1,
630
  DT_PLTRELSZ = 2,
631
  DT_PLTGOT = 3,
632
  DT_HASH = 4,
633
  DT_STRTAB = 5,
634
  DT_SYMTAB = 6,
635
  DT_RELA = 7,
636
  DT_RELASZ = 8,
637
  DT_RELAENT = 9,
638
  DT_STRSZ = 10,
639
  DT_SYMENT = 11,
640
  DT_INIT = 12,
641
  DT_FINI = 13,
642
  DT_SONAME = 14,
643
  DT_RPATH = 15,
644
  DT_SYMBOLIC = 16,
645
  DT_REL = 17,
646
  DT_RELSZ = 18,
647
  DT_RELENT = 19,
648
  DT_PLTREL = 20,
649
  DT_DEBUG = 21,
650
  DT_TEXTREL = 22,
651
  DT_JMPREL = 23,
652
  DT_BIND_NOW = 24,
653
  DT_INIT_ARRAY = 25,
654
  DT_FINI_ARRAY = 26,
655
  DT_INIT_ARRAYSZ = 27,
656
  DT_FINI_ARRAYSZ = 28,
657
  DT_RUNPATH = 29,
658
  DT_FLAGS = 30,
659
  DT_ENCODING = 32,
660
  DT_PREINIT_ARRAY = 32,
661
  DT_PREINIT_ARRAYSZ = 33,
662
  DT_LOOS = 0x6000000d,
663
  DT_HIOS = 0x6ffff000,
664
  DT_LOPROC = 0x70000000,
665
  DT_HIPROC = 0x7fffffff,
666
 
667
  // The remaining values are extensions used by GNU or Solaris.
668
  DT_VALRNGLO = 0x6ffffd00,
669
  DT_GNU_PRELINKED = 0x6ffffdf5,
670
  DT_GNU_CONFLICTSZ = 0x6ffffdf6,
671
  DT_GNU_LIBLISTSZ = 0x6ffffdf7,
672
  DT_CHECKSUM = 0x6ffffdf8,
673
  DT_PLTPADSZ = 0x6ffffdf9,
674
  DT_MOVEENT = 0x6ffffdfa,
675
  DT_MOVESZ = 0x6ffffdfb,
676
  DT_FEATURE = 0x6ffffdfc,
677
  DT_POSFLAG_1 = 0x6ffffdfd,
678
  DT_SYMINSZ = 0x6ffffdfe,
679
  DT_SYMINENT = 0x6ffffdff,
680
  DT_VALRNGHI = 0x6ffffdff,
681
 
682
  DT_ADDRRNGLO = 0x6ffffe00,
683
  DT_GNU_HASH = 0x6ffffef5,
684
  DT_TLSDESC_PLT = 0x6ffffef6,
685
  DT_TLSDESC_GOT = 0x6ffffef7,
686
  DT_GNU_CONFLICT = 0x6ffffef8,
687
  DT_GNU_LIBLIST = 0x6ffffef9,
688
  DT_CONFIG = 0x6ffffefa,
689
  DT_DEPAUDIT = 0x6ffffefb,
690
  DT_AUDIT = 0x6ffffefc,
691
  DT_PLTPAD = 0x6ffffefd,
692
  DT_MOVETAB = 0x6ffffefe,
693
  DT_SYMINFO = 0x6ffffeff,
694
  DT_ADDRRNGHI = 0x6ffffeff,
695
 
696
  DT_RELACOUNT = 0x6ffffff9,
697
  DT_RELCOUNT = 0x6ffffffa,
698
  DT_FLAGS_1 = 0x6ffffffb,
699
  DT_VERDEF = 0x6ffffffc,
700
  DT_VERDEFNUM = 0x6ffffffd,
701
  DT_VERNEED = 0x6ffffffe,
702
  DT_VERNEEDNUM = 0x6fffffff,
703
 
704
  DT_VERSYM = 0x6ffffff0,
705
 
706
  // Specify the value of _GLOBAL_OFFSET_TABLE_.
707
  DT_PPC_GOT = 0x70000000,
708
 
709
  // Specify the start of the .glink section.
710
  DT_PPC64_GLINK = 0x70000000,
711
 
712
  // Specify the start and size of the .opd section.
713
  DT_PPC64_OPD = 0x70000001,
714
  DT_PPC64_OPDSZ = 0x70000002,
715
 
716
  // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB
717
  // symbol table.  One dynamic entry exists for every STT_SPARC_REGISTER
718
  // symbol in the symbol table.
719
  DT_SPARC_REGISTER = 0x70000001,
720
 
721
  DT_AUXILIARY = 0x7ffffffd,
722
  DT_USED = 0x7ffffffe,
723
  DT_FILTER = 0x7fffffff
724
};
725
 
726
// Flags found in the DT_FLAGS dynamic element.
727
 
728
enum DF
729
{
730
  DF_ORIGIN = 0x1,
731
  DF_SYMBOLIC = 0x2,
732
  DF_TEXTREL = 0x4,
733
  DF_BIND_NOW = 0x8,
734
  DF_STATIC_TLS = 0x10
735
};
736
 
737
// Flags found in the DT_FLAGS_1 dynamic element.
738
 
739
enum DF_1
740
{
741
  DF_1_NOW = 0x1,
742
  DF_1_GLOBAL = 0x2,
743
  DF_1_GROUP = 0x4,
744
  DF_1_NODELETE = 0x8,
745
  DF_1_LOADFLTR = 0x10,
746
  DF_1_INITFIRST = 0x20,
747
  DF_1_NOOPEN = 0x40,
748
  DF_1_ORIGIN = 0x80,
749
  DF_1_DIRECT = 0x100,
750
  DF_1_TRANS = 0x200,
751
  DF_1_INTERPOSE = 0x400,
752
  DF_1_NODEFLIB = 0x800,
753
  DF_1_NODUMP = 0x1000,
754
  DF_1_CONLFAT = 0x2000,
755
};
756
 
757
// Version numbers which appear in the vd_version field of a Verdef
758
// structure.
759
 
760
const int VER_DEF_NONE = 0;
761
const int VER_DEF_CURRENT = 1;
762
 
763
// Version numbers which appear in the vn_version field of a Verneed
764
// structure.
765
 
766
const int VER_NEED_NONE = 0;
767
const int VER_NEED_CURRENT = 1;
768
 
769
// Bit flags which appear in vd_flags of Verdef and vna_flags of
770
// Vernaux.
771
 
772
const int VER_FLG_BASE = 0x1;
773
const int VER_FLG_WEAK = 0x2;
774
 
775
// Special constants found in the SHT_GNU_versym entries.
776
 
777
const int VER_NDX_LOCAL = 0;
778
const int VER_NDX_GLOBAL = 1;
779
 
780
// A SHT_GNU_versym section holds 16-bit words.  This bit is set if
781
// the symbol is hidden and can only be seen when referenced using an
782
// explicit version number.  This is a GNU extension.
783
 
784
const int VERSYM_HIDDEN = 0x8000;
785
 
786
// This is the mask for the rest of the data in a word read from a
787
// SHT_GNU_versym section.
788
 
789
const int VERSYM_VERSION = 0x7fff;
790
 
791
// Note descriptor type codes for notes in a non-core file with an
792
// empty name.
793
 
794
enum
795
{
796
  // A version string.
797
  NT_VERSION = 1,
798
  // An architecture string.
799
  NT_ARCH = 2
800
};
801
 
802
// Note descriptor type codes for notes in a non-core file with the
803
// name "GNU".
804
 
805
enum
806
{
807
  // The minimum ABI level.  This is used by the dynamic linker to
808
  // describe the minimal kernel version on which a shared library may
809
  // be used.  Th value should be four words.  Word 0 is an OS
810
  // descriptor (see below).  Word 1 is the major version of the ABI.
811
  // Word 2 is the minor version.  Word 3 is the subminor version.
812
  NT_GNU_ABI_TAG = 1,
813
  // Hardware capabilities information.  Word 0 is the number of
814
  // entries.  Word 1 is a bitmask of enabled entries.  The rest of
815
  // the descriptor is a series of entries, where each entry is a
816
  // single byte followed by a nul terminated string.  The byte gives
817
  // the bit number to test if enabled in the bitmask.
818
  NT_GNU_HWCAP = 2,
819
  // The build ID as set by the linker's --build-id option.  The
820
  // format of the descriptor depends on the build ID style.
821
  NT_GNU_BUILD_ID = 3,
822
  // The version of gold used to link.  Th descriptor is just a
823
  // string.
824
  NT_GNU_GOLD_VERSION = 4
825
};
826
 
827
// The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note.
828
 
829
enum
830
{
831
  ELF_NOTE_OS_LINUX = 0,
832
  ELF_NOTE_OS_GNU = 1,
833
  ELF_NOTE_OS_SOLARIS2 = 2,
834
  ELF_NOTE_OS_FREEBSD = 3,
835
  ELF_NOTE_OS_NETBSD = 4,
836
  ELF_NOTE_OS_SYLLABLE = 5
837
};
838
 
839
} // End namespace elfcpp.
840
 
841
// Include internal details after defining the types.
842
#include "elfcpp_internal.h"
843
 
844
namespace elfcpp
845
{
846
 
847
// The offset of the ELF file header in the ELF file.
848
 
849
const int file_header_offset = 0;
850
 
851
// ELF structure sizes.
852
 
853
template<int size>
854
struct Elf_sizes
855
{
856
  // Size of ELF file header.
857
  static const int ehdr_size = sizeof(internal::Ehdr_data<size>);
858
  // Size of ELF segment header.
859
  static const int phdr_size = sizeof(internal::Phdr_data<size>);
860
  // Size of ELF section header.
861
  static const int shdr_size = sizeof(internal::Shdr_data<size>);
862
  // Size of ELF symbol table entry.
863
  static const int sym_size = sizeof(internal::Sym_data<size>);
864
  // Sizes of ELF reloc entries.
865
  static const int rel_size = sizeof(internal::Rel_data<size>);
866
  static const int rela_size = sizeof(internal::Rela_data<size>);
867
  // Size of ELF dynamic entry.
868
  static const int dyn_size = sizeof(internal::Dyn_data<size>);
869
  // Size of ELF version structures.
870
  static const int verdef_size = sizeof(internal::Verdef_data);
871
  static const int verdaux_size = sizeof(internal::Verdaux_data);
872
  static const int verneed_size = sizeof(internal::Verneed_data);
873
  static const int vernaux_size = sizeof(internal::Vernaux_data);
874
};
875
 
876
// Accessor class for the ELF file header.
877
 
878
template<int size, bool big_endian>
879
class Ehdr
880
{
881
 public:
882
  Ehdr(const unsigned char* p)
883
    : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(p))
884
  { }
885
 
886
  template<typename File>
887
  Ehdr(File* file, typename File::Location loc)
888
    : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(
889
           file->view(loc.file_offset, loc.data_size).data()))
890
  { }
891
 
892
  const unsigned char*
893
  get_e_ident() const
894
  { return this->p_->e_ident; }
895
 
896
  Elf_Half
897
  get_e_type() const
898
  { return Convert<16, big_endian>::convert_host(this->p_->e_type); }
899
 
900
  Elf_Half
901
  get_e_machine() const
902
  { return Convert<16, big_endian>::convert_host(this->p_->e_machine); }
903
 
904
  Elf_Word
905
  get_e_version() const
906
  { return Convert<32, big_endian>::convert_host(this->p_->e_version); }
907
 
908
  typename Elf_types<size>::Elf_Addr
909
  get_e_entry() const
910
  { return Convert<size, big_endian>::convert_host(this->p_->e_entry); }
911
 
912
  typename Elf_types<size>::Elf_Off
913
  get_e_phoff() const
914
  { return Convert<size, big_endian>::convert_host(this->p_->e_phoff); }
915
 
916
  typename Elf_types<size>::Elf_Off
917
  get_e_shoff() const
918
  { return Convert<size, big_endian>::convert_host(this->p_->e_shoff); }
919
 
920
  Elf_Word
921
  get_e_flags() const
922
  { return Convert<32, big_endian>::convert_host(this->p_->e_flags); }
923
 
924
  Elf_Half
925
  get_e_ehsize() const
926
  { return Convert<16, big_endian>::convert_host(this->p_->e_ehsize); }
927
 
928
  Elf_Half
929
  get_e_phentsize() const
930
  { return Convert<16, big_endian>::convert_host(this->p_->e_phentsize); }
931
 
932
  Elf_Half
933
  get_e_phnum() const
934
  { return Convert<16, big_endian>::convert_host(this->p_->e_phnum); }
935
 
936
  Elf_Half
937
  get_e_shentsize() const
938
  { return Convert<16, big_endian>::convert_host(this->p_->e_shentsize); }
939
 
940
  Elf_Half
941
  get_e_shnum() const
942
  { return Convert<16, big_endian>::convert_host(this->p_->e_shnum); }
943
 
944
  Elf_Half
945
  get_e_shstrndx() const
946
  { return Convert<16, big_endian>::convert_host(this->p_->e_shstrndx); }
947
 
948
 private:
949
  const internal::Ehdr_data<size>* p_;
950
};
951
 
952
// Write class for the ELF file header.
953
 
954
template<int size, bool big_endian>
955
class Ehdr_write
956
{
957
 public:
958
  Ehdr_write(unsigned char* p)
959
    : p_(reinterpret_cast<internal::Ehdr_data<size>*>(p))
960
  { }
961
 
962
  void
963
  put_e_ident(const unsigned char v[EI_NIDENT]) const
964
  { memcpy(this->p_->e_ident, v, EI_NIDENT); }
965
 
966
  void
967
  put_e_type(Elf_Half v)
968
  { this->p_->e_type = Convert<16, big_endian>::convert_host(v); }
969
 
970
  void
971
  put_e_machine(Elf_Half v)
972
  { this->p_->e_machine = Convert<16, big_endian>::convert_host(v); }
973
 
974
  void
975
  put_e_version(Elf_Word v)
976
  { this->p_->e_version = Convert<32, big_endian>::convert_host(v); }
977
 
978
  void
979
  put_e_entry(typename Elf_types<size>::Elf_Addr v)
980
  { this->p_->e_entry = Convert<size, big_endian>::convert_host(v); }
981
 
982
  void
983
  put_e_phoff(typename Elf_types<size>::Elf_Off v)
984
  { this->p_->e_phoff = Convert<size, big_endian>::convert_host(v); }
985
 
986
  void
987
  put_e_shoff(typename Elf_types<size>::Elf_Off v)
988
  { this->p_->e_shoff = Convert<size, big_endian>::convert_host(v); }
989
 
990
  void
991
  put_e_flags(Elf_Word v)
992
  { this->p_->e_flags = Convert<32, big_endian>::convert_host(v); }
993
 
994
  void
995
  put_e_ehsize(Elf_Half v)
996
  { this->p_->e_ehsize = Convert<16, big_endian>::convert_host(v); }
997
 
998
  void
999
  put_e_phentsize(Elf_Half v)
1000
  { this->p_->e_phentsize = Convert<16, big_endian>::convert_host(v); }
1001
 
1002
  void
1003
  put_e_phnum(Elf_Half v)
1004
  { this->p_->e_phnum = Convert<16, big_endian>::convert_host(v); }
1005
 
1006
  void
1007
  put_e_shentsize(Elf_Half v)
1008
  { this->p_->e_shentsize = Convert<16, big_endian>::convert_host(v); }
1009
 
1010
  void
1011
  put_e_shnum(Elf_Half v)
1012
  { this->p_->e_shnum = Convert<16, big_endian>::convert_host(v); }
1013
 
1014
  void
1015
  put_e_shstrndx(Elf_Half v)
1016
  { this->p_->e_shstrndx = Convert<16, big_endian>::convert_host(v); }
1017
 
1018
 private:
1019
  internal::Ehdr_data<size>* p_;
1020
};
1021
 
1022
// Accessor class for an ELF section header.
1023
 
1024
template<int size, bool big_endian>
1025
class Shdr
1026
{
1027
 public:
1028
  Shdr(const unsigned char* p)
1029
    : p_(reinterpret_cast<const internal::Shdr_data<size>*>(p))
1030
  { }
1031
 
1032
  template<typename File>
1033
  Shdr(File* file, typename File::Location loc)
1034
    : p_(reinterpret_cast<const internal::Shdr_data<size>*>(
1035
           file->view(loc.file_offset, loc.data_size).data()))
1036
  { }
1037
 
1038
  Elf_Word
1039
  get_sh_name() const
1040
  { return Convert<32, big_endian>::convert_host(this->p_->sh_name); }
1041
 
1042
  Elf_Word
1043
  get_sh_type() const
1044
  { return Convert<32, big_endian>::convert_host(this->p_->sh_type); }
1045
 
1046
  typename Elf_types<size>::Elf_WXword
1047
  get_sh_flags() const
1048
  { return Convert<size, big_endian>::convert_host(this->p_->sh_flags); }
1049
 
1050
  typename Elf_types<size>::Elf_Addr
1051
  get_sh_addr() const
1052
  { return Convert<size, big_endian>::convert_host(this->p_->sh_addr); }
1053
 
1054
  typename Elf_types<size>::Elf_Off
1055
  get_sh_offset() const
1056
  { return Convert<size, big_endian>::convert_host(this->p_->sh_offset); }
1057
 
1058
  typename Elf_types<size>::Elf_WXword
1059
  get_sh_size() const
1060
  { return Convert<size, big_endian>::convert_host(this->p_->sh_size); }
1061
 
1062
  Elf_Word
1063
  get_sh_link() const
1064
  { return Convert<32, big_endian>::convert_host(this->p_->sh_link); }
1065
 
1066
  Elf_Word
1067
  get_sh_info() const
1068
  { return Convert<32, big_endian>::convert_host(this->p_->sh_info); }
1069
 
1070
  typename Elf_types<size>::Elf_WXword
1071
  get_sh_addralign() const
1072
  { return
1073
      Convert<size, big_endian>::convert_host(this->p_->sh_addralign); }
1074
 
1075
  typename Elf_types<size>::Elf_WXword
1076
  get_sh_entsize() const
1077
  { return Convert<size, big_endian>::convert_host(this->p_->sh_entsize); }
1078
 
1079
 private:
1080
  const internal::Shdr_data<size>* p_;
1081
};
1082
 
1083
// Write class for an ELF section header.
1084
 
1085
template<int size, bool big_endian>
1086
class Shdr_write
1087
{
1088
 public:
1089
  Shdr_write(unsigned char* p)
1090
    : p_(reinterpret_cast<internal::Shdr_data<size>*>(p))
1091
  { }
1092
 
1093
  void
1094
  put_sh_name(Elf_Word v)
1095
  { this->p_->sh_name = Convert<32, big_endian>::convert_host(v); }
1096
 
1097
  void
1098
  put_sh_type(Elf_Word v)
1099
  { this->p_->sh_type = Convert<32, big_endian>::convert_host(v); }
1100
 
1101
  void
1102
  put_sh_flags(typename Elf_types<size>::Elf_WXword v)
1103
  { this->p_->sh_flags = Convert<size, big_endian>::convert_host(v); }
1104
 
1105
  void
1106
  put_sh_addr(typename Elf_types<size>::Elf_Addr v)
1107
  { this->p_->sh_addr = Convert<size, big_endian>::convert_host(v); }
1108
 
1109
  void
1110
  put_sh_offset(typename Elf_types<size>::Elf_Off v)
1111
  { this->p_->sh_offset = Convert<size, big_endian>::convert_host(v); }
1112
 
1113
  void
1114
  put_sh_size(typename Elf_types<size>::Elf_WXword v)
1115
  { this->p_->sh_size = Convert<size, big_endian>::convert_host(v); }
1116
 
1117
  void
1118
  put_sh_link(Elf_Word v)
1119
  { this->p_->sh_link = Convert<32, big_endian>::convert_host(v); }
1120
 
1121
  void
1122
  put_sh_info(Elf_Word v)
1123
  { this->p_->sh_info = Convert<32, big_endian>::convert_host(v); }
1124
 
1125
  void
1126
  put_sh_addralign(typename Elf_types<size>::Elf_WXword v)
1127
  { this->p_->sh_addralign = Convert<size, big_endian>::convert_host(v); }
1128
 
1129
  void
1130
  put_sh_entsize(typename Elf_types<size>::Elf_WXword v)
1131
  { this->p_->sh_entsize = Convert<size, big_endian>::convert_host(v); }
1132
 
1133
 private:
1134
  internal::Shdr_data<size>* p_;
1135
};
1136
 
1137
// Accessor class for an ELF segment header.
1138
 
1139
template<int size, bool big_endian>
1140
class Phdr
1141
{
1142
 public:
1143
  Phdr(const unsigned char* p)
1144
    : p_(reinterpret_cast<const internal::Phdr_data<size>*>(p))
1145
  { }
1146
 
1147
  template<typename File>
1148
  Phdr(File* file, typename File::Location loc)
1149
    : p_(reinterpret_cast<internal::Phdr_data<size>*>(
1150
           file->view(loc.file_offset, loc.data_size).data()))
1151
  { }
1152
 
1153
  Elf_Word
1154
  get_p_type() const
1155
  { return Convert<32, big_endian>::convert_host(this->p_->p_type); }
1156
 
1157
  typename Elf_types<size>::Elf_Off
1158
  get_p_offset() const
1159
  { return Convert<size, big_endian>::convert_host(this->p_->p_offset); }
1160
 
1161
  typename Elf_types<size>::Elf_Addr
1162
  get_p_vaddr() const
1163
  { return Convert<size, big_endian>::convert_host(this->p_->p_vaddr); }
1164
 
1165
  typename Elf_types<size>::Elf_Addr
1166
  get_p_paddr() const
1167
  { return Convert<size, big_endian>::convert_host(this->p_->p_paddr); }
1168
 
1169
  typename Elf_types<size>::Elf_WXword
1170
  get_p_filesz() const
1171
  { return Convert<size, big_endian>::convert_host(this->p_->p_filesz); }
1172
 
1173
  typename Elf_types<size>::Elf_WXword
1174
  get_p_memsz() const
1175
  { return Convert<size, big_endian>::convert_host(this->p_->p_memsz); }
1176
 
1177
  Elf_Word
1178
  get_p_flags() const
1179
  { return Convert<32, big_endian>::convert_host(this->p_->p_flags); }
1180
 
1181
  typename Elf_types<size>::Elf_WXword
1182
  get_p_align() const
1183
  { return Convert<size, big_endian>::convert_host(this->p_->p_align); }
1184
 
1185
 private:
1186
  const internal::Phdr_data<size>* p_;
1187
};
1188
 
1189
// Write class for an ELF segment header.
1190
 
1191
template<int size, bool big_endian>
1192
class Phdr_write
1193
{
1194
 public:
1195
  Phdr_write(unsigned char* p)
1196
    : p_(reinterpret_cast<internal::Phdr_data<size>*>(p))
1197
  { }
1198
 
1199
  void
1200
  put_p_type(Elf_Word v)
1201
  { this->p_->p_type = Convert<32, big_endian>::convert_host(v); }
1202
 
1203
  void
1204
  put_p_offset(typename Elf_types<size>::Elf_Off v)
1205
  { this->p_->p_offset = Convert<size, big_endian>::convert_host(v); }
1206
 
1207
  void
1208
  put_p_vaddr(typename Elf_types<size>::Elf_Addr v)
1209
  { this->p_->p_vaddr = Convert<size, big_endian>::convert_host(v); }
1210
 
1211
  void
1212
  put_p_paddr(typename Elf_types<size>::Elf_Addr v)
1213
  { this->p_->p_paddr = Convert<size, big_endian>::convert_host(v); }
1214
 
1215
  void
1216
  put_p_filesz(typename Elf_types<size>::Elf_WXword v)
1217
  { this->p_->p_filesz = Convert<size, big_endian>::convert_host(v); }
1218
 
1219
  void
1220
  put_p_memsz(typename Elf_types<size>::Elf_WXword v)
1221
  { this->p_->p_memsz = Convert<size, big_endian>::convert_host(v); }
1222
 
1223
  void
1224
  put_p_flags(Elf_Word v)
1225
  { this->p_->p_flags = Convert<32, big_endian>::convert_host(v); }
1226
 
1227
  void
1228
  put_p_align(typename Elf_types<size>::Elf_WXword v)
1229
  { this->p_->p_align = Convert<size, big_endian>::convert_host(v); }
1230
 
1231
 private:
1232
  internal::Phdr_data<size>* p_;
1233
};
1234
 
1235
// Accessor class for an ELF symbol table entry.
1236
 
1237
template<int size, bool big_endian>
1238
class Sym
1239
{
1240
 public:
1241
  Sym(const unsigned char* p)
1242
    : p_(reinterpret_cast<const internal::Sym_data<size>*>(p))
1243
  { }
1244
 
1245
  template<typename File>
1246
  Sym(File* file, typename File::Location loc)
1247
    : p_(reinterpret_cast<const internal::Sym_data<size>*>(
1248
           file->view(loc.file_offset, loc.data_size).data()))
1249
  { }
1250
 
1251
  Elf_Word
1252
  get_st_name() const
1253
  { return Convert<32, big_endian>::convert_host(this->p_->st_name); }
1254
 
1255
  typename Elf_types<size>::Elf_Addr
1256
  get_st_value() const
1257
  { return Convert<size, big_endian>::convert_host(this->p_->st_value); }
1258
 
1259
  typename Elf_types<size>::Elf_WXword
1260
  get_st_size() const
1261
  { return Convert<size, big_endian>::convert_host(this->p_->st_size); }
1262
 
1263
  unsigned char
1264
  get_st_info() const
1265
  { return this->p_->st_info; }
1266
 
1267
  STB
1268
  get_st_bind() const
1269
  { return elf_st_bind(this->get_st_info()); }
1270
 
1271
  STT
1272
  get_st_type() const
1273
  { return elf_st_type(this->get_st_info()); }
1274
 
1275
  unsigned char
1276
  get_st_other() const
1277
  { return this->p_->st_other; }
1278
 
1279
  STV
1280
  get_st_visibility() const
1281
  { return elf_st_visibility(this->get_st_other()); }
1282
 
1283
  unsigned char
1284
  get_st_nonvis() const
1285
  { return elf_st_nonvis(this->get_st_other()); }
1286
 
1287
  Elf_Half
1288
  get_st_shndx() const
1289
  { return Convert<16, big_endian>::convert_host(this->p_->st_shndx); }
1290
 
1291
 private:
1292
  const internal::Sym_data<size>* p_;
1293
};
1294
 
1295
// Writer class for an ELF symbol table entry.
1296
 
1297
template<int size, bool big_endian>
1298
class Sym_write
1299
{
1300
 public:
1301
  Sym_write(unsigned char* p)
1302
    : p_(reinterpret_cast<internal::Sym_data<size>*>(p))
1303
  { }
1304
 
1305
  void
1306
  put_st_name(Elf_Word v)
1307
  { this->p_->st_name = Convert<32, big_endian>::convert_host(v); }
1308
 
1309
  void
1310
  put_st_value(typename Elf_types<size>::Elf_Addr v)
1311
  { this->p_->st_value = Convert<size, big_endian>::convert_host(v); }
1312
 
1313
  void
1314
  put_st_size(typename Elf_types<size>::Elf_WXword v)
1315
  { this->p_->st_size = Convert<size, big_endian>::convert_host(v); }
1316
 
1317
  void
1318
  put_st_info(unsigned char v)
1319
  { this->p_->st_info = v; }
1320
 
1321
  void
1322
  put_st_info(STB bind, STT type)
1323
  { this->p_->st_info = elf_st_info(bind, type); }
1324
 
1325
  void
1326
  put_st_other(unsigned char v)
1327
  { this->p_->st_other = v; }
1328
 
1329
  void
1330
  put_st_other(STV vis, unsigned char nonvis)
1331
  { this->p_->st_other = elf_st_other(vis, nonvis); }
1332
 
1333
  void
1334
  put_st_shndx(Elf_Half v)
1335
  { this->p_->st_shndx = Convert<16, big_endian>::convert_host(v); }
1336
 
1337
  Sym<size, big_endian>
1338
  sym()
1339
  { return Sym<size, big_endian>(reinterpret_cast<unsigned char*>(this->p_)); }
1340
 
1341
 private:
1342
  internal::Sym_data<size>* p_;
1343
};
1344
 
1345
// Accessor classes for an ELF REL relocation entry.
1346
 
1347
template<int size, bool big_endian>
1348
class Rel
1349
{
1350
 public:
1351
  Rel(const unsigned char* p)
1352
    : p_(reinterpret_cast<const internal::Rel_data<size>*>(p))
1353
  { }
1354
 
1355
  template<typename File>
1356
  Rel(File* file, typename File::Location loc)
1357
    : p_(reinterpret_cast<const internal::Rel_data<size>*>(
1358
           file->view(loc.file_offset, loc.data_size).data()))
1359
  { }
1360
 
1361
  typename Elf_types<size>::Elf_Addr
1362
  get_r_offset() const
1363
  { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1364
 
1365
  typename Elf_types<size>::Elf_WXword
1366
  get_r_info() const
1367
  { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1368
 
1369
 private:
1370
  const internal::Rel_data<size>* p_;
1371
};
1372
 
1373
// Writer class for an ELF Rel relocation.
1374
 
1375
template<int size, bool big_endian>
1376
class Rel_write
1377
{
1378
 public:
1379
  Rel_write(unsigned char* p)
1380
    : p_(reinterpret_cast<internal::Rel_data<size>*>(p))
1381
  { }
1382
 
1383
  void
1384
  put_r_offset(typename Elf_types<size>::Elf_Addr v)
1385
  { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1386
 
1387
  void
1388
  put_r_info(typename Elf_types<size>::Elf_WXword v)
1389
  { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1390
 
1391
 private:
1392
  internal::Rel_data<size>* p_;
1393
};
1394
 
1395
// Accessor class for an ELF Rela relocation.
1396
 
1397
template<int size, bool big_endian>
1398
class Rela
1399
{
1400
 public:
1401
  Rela(const unsigned char* p)
1402
    : p_(reinterpret_cast<const internal::Rela_data<size>*>(p))
1403
  { }
1404
 
1405
  template<typename File>
1406
  Rela(File* file, typename File::Location loc)
1407
    : p_(reinterpret_cast<const internal::Rela_data<size>*>(
1408
           file->view(loc.file_offset, loc.data_size).data()))
1409
  { }
1410
 
1411
  typename Elf_types<size>::Elf_Addr
1412
  get_r_offset() const
1413
  { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1414
 
1415
  typename Elf_types<size>::Elf_WXword
1416
  get_r_info() const
1417
  { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1418
 
1419
  typename Elf_types<size>::Elf_Swxword
1420
  get_r_addend() const
1421
  { return Convert<size, big_endian>::convert_host(this->p_->r_addend); }
1422
 
1423
 private:
1424
  const internal::Rela_data<size>* p_;
1425
};
1426
 
1427
// Writer class for an ELF Rela relocation.
1428
 
1429
template<int size, bool big_endian>
1430
class Rela_write
1431
{
1432
 public:
1433
  Rela_write(unsigned char* p)
1434
    : p_(reinterpret_cast<internal::Rela_data<size>*>(p))
1435
  { }
1436
 
1437
  void
1438
  put_r_offset(typename Elf_types<size>::Elf_Addr v)
1439
  { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1440
 
1441
  void
1442
  put_r_info(typename Elf_types<size>::Elf_WXword v)
1443
  { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1444
 
1445
  void
1446
  put_r_addend(typename Elf_types<size>::Elf_Swxword v)
1447
  { this->p_->r_addend = Convert<size, big_endian>::convert_host(v); }
1448
 
1449
 private:
1450
  internal::Rela_data<size>* p_;
1451
};
1452
 
1453
// Accessor classes for entries in the ELF SHT_DYNAMIC section aka
1454
// PT_DYNAMIC segment.
1455
 
1456
template<int size, bool big_endian>
1457
class Dyn
1458
{
1459
 public:
1460
  Dyn(const unsigned char* p)
1461
    : p_(reinterpret_cast<const internal::Dyn_data<size>*>(p))
1462
  { }
1463
 
1464
  template<typename File>
1465
  Dyn(File* file, typename File::Location loc)
1466
    : p_(reinterpret_cast<const internal::Dyn_data<size>*>(
1467
           file->view(loc.file_offset, loc.data_size).data()))
1468
  { }
1469
 
1470
  typename Elf_types<size>::Elf_Swxword
1471
  get_d_tag() const
1472
  { return Convert<size, big_endian>::convert_host(this->p_->d_tag); }
1473
 
1474
  typename Elf_types<size>::Elf_WXword
1475
  get_d_val() const
1476
  { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1477
 
1478
  typename Elf_types<size>::Elf_Addr
1479
  get_d_ptr() const
1480
  { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1481
 
1482
 private:
1483
  const internal::Dyn_data<size>* p_;
1484
};
1485
 
1486
// Write class for an entry in the SHT_DYNAMIC section.
1487
 
1488
template<int size, bool big_endian>
1489
class Dyn_write
1490
{
1491
 public:
1492
  Dyn_write(unsigned char* p)
1493
    : p_(reinterpret_cast<internal::Dyn_data<size>*>(p))
1494
  { }
1495
 
1496
  void
1497
  put_d_tag(typename Elf_types<size>::Elf_Swxword v)
1498
  { this->p_->d_tag = Convert<size, big_endian>::convert_host(v); }
1499
 
1500
  void
1501
  put_d_val(typename Elf_types<size>::Elf_WXword v)
1502
  { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1503
 
1504
  void
1505
  put_d_ptr(typename Elf_types<size>::Elf_Addr v)
1506
  { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1507
 
1508
 private:
1509
  internal::Dyn_data<size>* p_;
1510
};
1511
 
1512
// Accessor classes for entries in the ELF SHT_GNU_verdef section.
1513
 
1514
template<int size, bool big_endian>
1515
class Verdef
1516
{
1517
 public:
1518
  Verdef(const unsigned char* p)
1519
    : p_(reinterpret_cast<const internal::Verdef_data*>(p))
1520
  { }
1521
 
1522
  template<typename File>
1523
  Verdef(File* file, typename File::Location loc)
1524
    : p_(reinterpret_cast<const internal::Verdef_data*>(
1525
           file->view(loc.file_offset, loc.data_size).data()))
1526
  { }
1527
 
1528
  Elf_Half
1529
  get_vd_version() const
1530
  { return Convert<16, big_endian>::convert_host(this->p_->vd_version); }
1531
 
1532
  Elf_Half
1533
  get_vd_flags() const
1534
  { return Convert<16, big_endian>::convert_host(this->p_->vd_flags); }
1535
 
1536
  Elf_Half
1537
  get_vd_ndx() const
1538
  { return Convert<16, big_endian>::convert_host(this->p_->vd_ndx); }
1539
 
1540
  Elf_Half
1541
  get_vd_cnt() const
1542
  { return Convert<16, big_endian>::convert_host(this->p_->vd_cnt); }
1543
 
1544
  Elf_Word
1545
  get_vd_hash() const
1546
  { return Convert<32, big_endian>::convert_host(this->p_->vd_hash); }
1547
 
1548
  Elf_Word
1549
  get_vd_aux() const
1550
  { return Convert<32, big_endian>::convert_host(this->p_->vd_aux); }
1551
 
1552
  Elf_Word
1553
  get_vd_next() const
1554
  { return Convert<32, big_endian>::convert_host(this->p_->vd_next); }
1555
 
1556
 private:
1557
  const internal::Verdef_data* p_;
1558
};
1559
 
1560
template<int size, bool big_endian>
1561
class Verdef_write
1562
{
1563
 public:
1564
  Verdef_write(unsigned char* p)
1565
    : p_(reinterpret_cast<internal::Verdef_data*>(p))
1566
  { }
1567
 
1568
  void
1569
  set_vd_version(Elf_Half v)
1570
  { this->p_->vd_version = Convert<16, big_endian>::convert_host(v); }
1571
 
1572
  void
1573
  set_vd_flags(Elf_Half v)
1574
  { this->p_->vd_flags = Convert<16, big_endian>::convert_host(v); }
1575
 
1576
  void
1577
  set_vd_ndx(Elf_Half v)
1578
  { this->p_->vd_ndx = Convert<16, big_endian>::convert_host(v); }
1579
 
1580
  void
1581
  set_vd_cnt(Elf_Half v)
1582
  { this->p_->vd_cnt = Convert<16, big_endian>::convert_host(v); }
1583
 
1584
  void
1585
  set_vd_hash(Elf_Word v)
1586
  { this->p_->vd_hash = Convert<32, big_endian>::convert_host(v); }
1587
 
1588
  void
1589
  set_vd_aux(Elf_Word v)
1590
  { this->p_->vd_aux = Convert<32, big_endian>::convert_host(v); }
1591
 
1592
  void
1593
  set_vd_next(Elf_Word v)
1594
  { this->p_->vd_next = Convert<32, big_endian>::convert_host(v); }
1595
 
1596
 private:
1597
  internal::Verdef_data* p_;
1598
};
1599
 
1600
// Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef
1601
// section.
1602
 
1603
template<int size, bool big_endian>
1604
class Verdaux
1605
{
1606
 public:
1607
  Verdaux(const unsigned char* p)
1608
    : p_(reinterpret_cast<const internal::Verdaux_data*>(p))
1609
  { }
1610
 
1611
  template<typename File>
1612
  Verdaux(File* file, typename File::Location loc)
1613
    : p_(reinterpret_cast<const internal::Verdaux_data*>(
1614
           file->view(loc.file_offset, loc.data_size).data()))
1615
  { }
1616
 
1617
  Elf_Word
1618
  get_vda_name() const
1619
  { return Convert<32, big_endian>::convert_host(this->p_->vda_name); }
1620
 
1621
  Elf_Word
1622
  get_vda_next() const
1623
  { return Convert<32, big_endian>::convert_host(this->p_->vda_next); }
1624
 
1625
 private:
1626
  const internal::Verdaux_data* p_;
1627
};
1628
 
1629
template<int size, bool big_endian>
1630
class Verdaux_write
1631
{
1632
 public:
1633
  Verdaux_write(unsigned char* p)
1634
    : p_(reinterpret_cast<internal::Verdaux_data*>(p))
1635
  { }
1636
 
1637
  void
1638
  set_vda_name(Elf_Word v)
1639
  { this->p_->vda_name = Convert<32, big_endian>::convert_host(v); }
1640
 
1641
  void
1642
  set_vda_next(Elf_Word v)
1643
  { this->p_->vda_next = Convert<32, big_endian>::convert_host(v); }
1644
 
1645
 private:
1646
  internal::Verdaux_data* p_;
1647
};
1648
 
1649
// Accessor classes for entries in the ELF SHT_GNU_verneed section.
1650
 
1651
template<int size, bool big_endian>
1652
class Verneed
1653
{
1654
 public:
1655
  Verneed(const unsigned char* p)
1656
    : p_(reinterpret_cast<const internal::Verneed_data*>(p))
1657
  { }
1658
 
1659
  template<typename File>
1660
  Verneed(File* file, typename File::Location loc)
1661
    : p_(reinterpret_cast<const internal::Verneed_data*>(
1662
           file->view(loc.file_offset, loc.data_size).data()))
1663
  { }
1664
 
1665
  Elf_Half
1666
  get_vn_version() const
1667
  { return Convert<16, big_endian>::convert_host(this->p_->vn_version); }
1668
 
1669
  Elf_Half
1670
  get_vn_cnt() const
1671
  { return Convert<16, big_endian>::convert_host(this->p_->vn_cnt); }
1672
 
1673
  Elf_Word
1674
  get_vn_file() const
1675
  { return Convert<32, big_endian>::convert_host(this->p_->vn_file); }
1676
 
1677
  Elf_Word
1678
  get_vn_aux() const
1679
  { return Convert<32, big_endian>::convert_host(this->p_->vn_aux); }
1680
 
1681
  Elf_Word
1682
  get_vn_next() const
1683
  { return Convert<32, big_endian>::convert_host(this->p_->vn_next); }
1684
 
1685
 private:
1686
  const internal::Verneed_data* p_;
1687
};
1688
 
1689
template<int size, bool big_endian>
1690
class Verneed_write
1691
{
1692
 public:
1693
  Verneed_write(unsigned char* p)
1694
    : p_(reinterpret_cast<internal::Verneed_data*>(p))
1695
  { }
1696
 
1697
  void
1698
  set_vn_version(Elf_Half v)
1699
  { this->p_->vn_version = Convert<16, big_endian>::convert_host(v); }
1700
 
1701
  void
1702
  set_vn_cnt(Elf_Half v)
1703
  { this->p_->vn_cnt = Convert<16, big_endian>::convert_host(v); }
1704
 
1705
  void
1706
  set_vn_file(Elf_Word v)
1707
  { this->p_->vn_file = Convert<32, big_endian>::convert_host(v); }
1708
 
1709
  void
1710
  set_vn_aux(Elf_Word v)
1711
  { this->p_->vn_aux = Convert<32, big_endian>::convert_host(v); }
1712
 
1713
  void
1714
  set_vn_next(Elf_Word v)
1715
  { this->p_->vn_next = Convert<32, big_endian>::convert_host(v); }
1716
 
1717
 private:
1718
  internal::Verneed_data* p_;
1719
};
1720
 
1721
// Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed
1722
// section.
1723
 
1724
template<int size, bool big_endian>
1725
class Vernaux
1726
{
1727
 public:
1728
  Vernaux(const unsigned char* p)
1729
    : p_(reinterpret_cast<const internal::Vernaux_data*>(p))
1730
  { }
1731
 
1732
  template<typename File>
1733
  Vernaux(File* file, typename File::Location loc)
1734
    : p_(reinterpret_cast<const internal::Vernaux_data*>(
1735
           file->view(loc.file_offset, loc.data_size).data()))
1736
  { }
1737
 
1738
  Elf_Word
1739
  get_vna_hash() const
1740
  { return Convert<32, big_endian>::convert_host(this->p_->vna_hash); }
1741
 
1742
  Elf_Half
1743
  get_vna_flags() const
1744
  { return Convert<16, big_endian>::convert_host(this->p_->vna_flags); }
1745
 
1746
  Elf_Half
1747
  get_vna_other() const
1748
  { return Convert<16, big_endian>::convert_host(this->p_->vna_other); }
1749
 
1750
  Elf_Word
1751
  get_vna_name() const
1752
  { return Convert<32, big_endian>::convert_host(this->p_->vna_name); }
1753
 
1754
  Elf_Word
1755
  get_vna_next() const
1756
  { return Convert<32, big_endian>::convert_host(this->p_->vna_next); }
1757
 
1758
 private:
1759
  const internal::Vernaux_data* p_;
1760
};
1761
 
1762
template<int size, bool big_endian>
1763
class Vernaux_write
1764
{
1765
 public:
1766
  Vernaux_write(unsigned char* p)
1767
    : p_(reinterpret_cast<internal::Vernaux_data*>(p))
1768
  { }
1769
 
1770
  void
1771
  set_vna_hash(Elf_Word v)
1772
  { this->p_->vna_hash = Convert<32, big_endian>::convert_host(v); }
1773
 
1774
  void
1775
  set_vna_flags(Elf_Half v)
1776
  { this->p_->vna_flags = Convert<16, big_endian>::convert_host(v); }
1777
 
1778
  void
1779
  set_vna_other(Elf_Half v)
1780
  { this->p_->vna_other = Convert<16, big_endian>::convert_host(v); }
1781
 
1782
  void
1783
  set_vna_name(Elf_Word v)
1784
  { this->p_->vna_name = Convert<32, big_endian>::convert_host(v); }
1785
 
1786
  void
1787
  set_vna_next(Elf_Word v)
1788
  { this->p_->vna_next = Convert<32, big_endian>::convert_host(v); }
1789
 
1790
 private:
1791
  internal::Vernaux_data* p_;
1792
};
1793
 
1794
} // End namespace elfcpp.
1795
 
1796
#endif // !defined(ELFPCP_H)

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