Copyright update for binutils
[deliverable/binutils-gdb.git] / elfcpp / elfcpp.h
1 // elfcpp.h -- main header file for elfcpp -*- C++ -*-
2
3 // Copyright (C) 2006-2016 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_GNU = 3,
133 // ELFOSABI_LINUX is an alias for ELFOSABI_GNU.
134 ELFOSABI_LINUX = 3,
135 ELFOSABI_SOLARIS = 6,
136 ELFOSABI_AIX = 7,
137 ELFOSABI_IRIX = 8,
138 ELFOSABI_FREEBSD = 9,
139 ELFOSABI_TRU64 = 10,
140 ELFOSABI_MODESTO = 11,
141 ELFOSABI_OPENBSD = 12,
142 ELFOSABI_OPENVMS = 13,
143 ELFOSABI_NSK = 14,
144 ELFOSABI_AROS = 15,
145 // A GNU extension for the ARM.
146 ELFOSABI_ARM = 97,
147 // A GNU extension for the MSP.
148 ELFOSABI_STANDALONE = 255
149 };
150
151 // The valid values found in the Ehdr e_type field.
152
153 enum ET
154 {
155 ET_NONE = 0,
156 ET_REL = 1,
157 ET_EXEC = 2,
158 ET_DYN = 3,
159 ET_CORE = 4,
160 ET_LOOS = 0xfe00,
161 ET_HIOS = 0xfeff,
162 ET_LOPROC = 0xff00,
163 ET_HIPROC = 0xffff
164 };
165
166 // The valid values found in the Ehdr e_machine field.
167
168 enum EM
169 {
170 EM_NONE = 0,
171 EM_M32 = 1,
172 EM_SPARC = 2,
173 EM_386 = 3,
174 EM_68K = 4,
175 EM_88K = 5,
176 EM_IAMCU = 6,
177 EM_860 = 7,
178 EM_MIPS = 8,
179 EM_S370 = 9,
180 EM_MIPS_RS3_LE = 10,
181 // 11 was the old Sparc V9 ABI.
182 // 12 through 14 are reserved.
183 EM_PARISC = 15,
184 // 16 is reserved.
185 // Some old PowerPC object files use 17.
186 EM_VPP500 = 17,
187 EM_SPARC32PLUS = 18,
188 EM_960 = 19,
189 EM_PPC = 20,
190 EM_PPC64 = 21,
191 EM_S390 = 22,
192 // 23 through 35 are served.
193 EM_V800 = 36,
194 EM_FR20 = 37,
195 EM_RH32 = 38,
196 EM_RCE = 39,
197 EM_ARM = 40,
198 EM_ALPHA = 41,
199 EM_SH = 42,
200 EM_SPARCV9 = 43,
201 EM_TRICORE = 44,
202 EM_ARC = 45,
203 EM_H8_300 = 46,
204 EM_H8_300H = 47,
205 EM_H8S = 48,
206 EM_H8_500 = 49,
207 EM_IA_64 = 50,
208 EM_MIPS_X = 51,
209 EM_COLDFIRE = 52,
210 EM_68HC12 = 53,
211 EM_MMA = 54,
212 EM_PCP = 55,
213 EM_NCPU = 56,
214 EM_NDR1 = 57,
215 EM_STARCORE = 58,
216 EM_ME16 = 59,
217 EM_ST100 = 60,
218 EM_TINYJ = 61,
219 EM_X86_64 = 62,
220 EM_PDSP = 63,
221 EM_PDP10 = 64,
222 EM_PDP11 = 65,
223 EM_FX66 = 66,
224 EM_ST9PLUS = 67,
225 EM_ST7 = 68,
226 EM_68HC16 = 69,
227 EM_68HC11 = 70,
228 EM_68HC08 = 71,
229 EM_68HC05 = 72,
230 EM_SVX = 73,
231 EM_ST19 = 74,
232 EM_VAX = 75,
233 EM_CRIS = 76,
234 EM_JAVELIN = 77,
235 EM_FIREPATH = 78,
236 EM_ZSP = 79,
237 EM_MMIX = 80,
238 EM_HUANY = 81,
239 EM_PRISM = 82,
240 EM_AVR = 83,
241 EM_FR30 = 84,
242 EM_D10V = 85,
243 EM_D30V = 86,
244 EM_V850 = 87,
245 EM_M32R = 88,
246 EM_MN10300 = 89,
247 EM_MN10200 = 90,
248 EM_PJ = 91,
249 EM_OR1K = 92,
250 EM_ARC_A5 = 93,
251 EM_XTENSA = 94,
252 EM_VIDEOCORE = 95,
253 EM_TMM_GPP = 96,
254 EM_NS32K = 97,
255 EM_TPC = 98,
256 // Some old picoJava object files use 99 (EM_PJ is correct).
257 EM_SNP1K = 99,
258 EM_ST200 = 100,
259 EM_IP2K = 101,
260 EM_MAX = 102,
261 EM_CR = 103,
262 EM_F2MC16 = 104,
263 EM_MSP430 = 105,
264 EM_BLACKFIN = 106,
265 EM_SE_C33 = 107,
266 EM_SEP = 108,
267 EM_ARCA = 109,
268 EM_UNICORE = 110,
269 EM_ALTERA_NIOS2 = 113,
270 EM_CRX = 114,
271 EM_AARCH64 = 183,
272 EM_TILEGX = 191,
273 // The Morph MT.
274 EM_MT = 0x2530,
275 // DLX.
276 EM_DLX = 0x5aa5,
277 // FRV.
278 EM_FRV = 0x5441,
279 // Infineon Technologies 16-bit microcontroller with C166-V2 core.
280 EM_X16X = 0x4688,
281 // Xstorym16
282 EM_XSTORMY16 = 0xad45,
283 // Renesas M32C
284 EM_M32C = 0xfeb0,
285 // Vitesse IQ2000
286 EM_IQ2000 = 0xfeba,
287 // NIOS
288 EM_NIOS32 = 0xfebb
289 // Old AVR objects used 0x1057 (EM_AVR is correct).
290 // Old MSP430 objects used 0x1059 (EM_MSP430 is correct).
291 // Old FR30 objects used 0x3330 (EM_FR30 is correct).
292 // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OR1K is correct).
293 // Old D10V objects used 0x7650 (EM_D10V is correct).
294 // Old D30V objects used 0x7676 (EM_D30V is correct).
295 // Old IP2X objects used 0x8217 (EM_IP2K is correct).
296 // Old PowerPC objects used 0x9025 (EM_PPC is correct).
297 // Old Alpha objects used 0x9026 (EM_ALPHA is correct).
298 // Old M32R objects used 0x9041 (EM_M32R is correct).
299 // Old V850 objects used 0x9080 (EM_V850 is correct).
300 // Old S/390 objects used 0xa390 (EM_S390 is correct).
301 // Old Xtensa objects used 0xabc7 (EM_XTENSA is correct).
302 // Old MN10300 objects used 0xbeef (EM_MN10300 is correct).
303 // Old MN10200 objects used 0xdead (EM_MN10200 is correct).
304 };
305
306 // A special value found in the Ehdr e_phnum field.
307
308 enum
309 {
310 // Number of program segments stored in sh_info field of first
311 // section headre.
312 PN_XNUM = 0xffff
313 };
314
315 // Special section indices.
316
317 enum
318 {
319 SHN_UNDEF = 0,
320 SHN_LORESERVE = 0xff00,
321 SHN_LOPROC = 0xff00,
322 SHN_HIPROC = 0xff1f,
323 SHN_LOOS = 0xff20,
324 SHN_HIOS = 0xff3f,
325 SHN_ABS = 0xfff1,
326 SHN_COMMON = 0xfff2,
327 SHN_XINDEX = 0xffff,
328 SHN_HIRESERVE = 0xffff,
329
330 // Provide for initial and final section ordering in conjunction
331 // with the SHF_LINK_ORDER and SHF_ORDERED section flags.
332 SHN_BEFORE = 0xff00,
333 SHN_AFTER = 0xff01,
334
335 // x86_64 specific large common symbol.
336 SHN_X86_64_LCOMMON = 0xff02
337 };
338
339 // The valid values found in the Shdr sh_type field.
340
341 enum SHT
342 {
343 SHT_NULL = 0,
344 SHT_PROGBITS = 1,
345 SHT_SYMTAB = 2,
346 SHT_STRTAB = 3,
347 SHT_RELA = 4,
348 SHT_HASH = 5,
349 SHT_DYNAMIC = 6,
350 SHT_NOTE = 7,
351 SHT_NOBITS = 8,
352 SHT_REL = 9,
353 SHT_SHLIB = 10,
354 SHT_DYNSYM = 11,
355 SHT_INIT_ARRAY = 14,
356 SHT_FINI_ARRAY = 15,
357 SHT_PREINIT_ARRAY = 16,
358 SHT_GROUP = 17,
359 SHT_SYMTAB_SHNDX = 18,
360 SHT_LOOS = 0x60000000,
361 SHT_HIOS = 0x6fffffff,
362 SHT_LOPROC = 0x70000000,
363 SHT_HIPROC = 0x7fffffff,
364 SHT_LOUSER = 0x80000000,
365 SHT_HIUSER = 0xffffffff,
366 // The remaining values are not in the standard.
367 // Incremental build data.
368 SHT_GNU_INCREMENTAL_INPUTS = 0x6fff4700,
369 SHT_GNU_INCREMENTAL_SYMTAB = 0x6fff4701,
370 SHT_GNU_INCREMENTAL_RELOCS = 0x6fff4702,
371 SHT_GNU_INCREMENTAL_GOT_PLT = 0x6fff4703,
372 // Object attributes.
373 SHT_GNU_ATTRIBUTES = 0x6ffffff5,
374 // GNU style dynamic hash table.
375 SHT_GNU_HASH = 0x6ffffff6,
376 // List of prelink dependencies.
377 SHT_GNU_LIBLIST = 0x6ffffff7,
378 // Versions defined by file.
379 SHT_SUNW_verdef = 0x6ffffffd,
380 SHT_GNU_verdef = 0x6ffffffd,
381 // Versions needed by file.
382 SHT_SUNW_verneed = 0x6ffffffe,
383 SHT_GNU_verneed = 0x6ffffffe,
384 // Symbol versions,
385 SHT_SUNW_versym = 0x6fffffff,
386 SHT_GNU_versym = 0x6fffffff,
387
388 SHT_SPARC_GOTDATA = 0x70000000,
389
390 // ARM-specific section types.
391 // Exception Index table.
392 SHT_ARM_EXIDX = 0x70000001,
393 // BPABI DLL dynamic linking pre-emption map.
394 SHT_ARM_PREEMPTMAP = 0x70000002,
395 // Object file compatibility attributes.
396 SHT_ARM_ATTRIBUTES = 0x70000003,
397 // Support for debugging overlaid programs.
398 SHT_ARM_DEBUGOVERLAY = 0x70000004,
399 SHT_ARM_OVERLAYSECTION = 0x70000005,
400
401 // x86_64 unwind information.
402 SHT_X86_64_UNWIND = 0x70000001,
403
404 // MIPS-specific section types.
405 // Section contains register usage information.
406 SHT_MIPS_REGINFO = 0x70000006,
407 // Section contains miscellaneous options.
408 SHT_MIPS_OPTIONS = 0x7000000d,
409
410 // AARCH64-specific section type.
411 SHT_AARCH64_ATTRIBUTES = 0x70000003,
412
413 // Link editor is to sort the entries in this section based on the
414 // address specified in the associated symbol table entry.
415 SHT_ORDERED = 0x7fffffff
416 };
417
418 // The valid bit flags found in the Shdr sh_flags field.
419
420 enum SHF
421 {
422 SHF_WRITE = 0x1,
423 SHF_ALLOC = 0x2,
424 SHF_EXECINSTR = 0x4,
425 SHF_MERGE = 0x10,
426 SHF_STRINGS = 0x20,
427 SHF_INFO_LINK = 0x40,
428 SHF_LINK_ORDER = 0x80,
429 SHF_OS_NONCONFORMING = 0x100,
430 SHF_GROUP = 0x200,
431 SHF_TLS = 0x400,
432 SHF_COMPRESSED = 0x800,
433 SHF_MASKOS = 0x0ff00000,
434 SHF_MASKPROC = 0xf0000000,
435
436 // Indicates this section requires ordering in relation to
437 // other sections of the same type. Ordered sections are
438 // combined within the section pointed to by the sh_link entry.
439 // The sh_info values SHN_BEFORE and SHN_AFTER imply that the
440 // sorted section is to precede or follow, respectively, all
441 // other sections in the set being ordered.
442 SHF_ORDERED = 0x40000000,
443 // This section is excluded from input to the link-edit of an
444 // executable or shared object. This flag is ignored if SHF_ALLOC
445 // is also set, or if relocations exist against the section.
446 SHF_EXCLUDE = 0x80000000,
447
448 // Section with data that is GP relative addressable.
449 SHF_MIPS_GPREL = 0x10000000,
450
451 // x86_64 specific large section.
452 SHF_X86_64_LARGE = 0x10000000
453 };
454
455 // Values which appear in the first Elf_WXword of the section data
456 // of a SHF_COMPRESSED section.
457 enum
458 {
459 ELFCOMPRESS_ZLIB = 1,
460 ELFCOMPRESS_LOOS = 0x60000000,
461 ELFCOMPRESS_HIOS = 0x6fffffff,
462 ELFCOMPRESS_LOPROC = 0x70000000,
463 ELFCOMPRESS_HIPROC = 0x7fffffff,
464 };
465
466 // Bit flags which appear in the first 32-bit word of the section data
467 // of a SHT_GROUP section.
468
469 enum
470 {
471 GRP_COMDAT = 0x1,
472 GRP_MASKOS = 0x0ff00000,
473 GRP_MASKPROC = 0xf0000000
474 };
475
476 // The valid values found in the Phdr p_type field.
477
478 enum PT
479 {
480 PT_NULL = 0,
481 PT_LOAD = 1,
482 PT_DYNAMIC = 2,
483 PT_INTERP = 3,
484 PT_NOTE = 4,
485 PT_SHLIB = 5,
486 PT_PHDR = 6,
487 PT_TLS = 7,
488 PT_LOOS = 0x60000000,
489 PT_HIOS = 0x6fffffff,
490 PT_LOPROC = 0x70000000,
491 PT_HIPROC = 0x7fffffff,
492 // The remaining values are not in the standard.
493 // Frame unwind information.
494 PT_GNU_EH_FRAME = 0x6474e550,
495 PT_SUNW_EH_FRAME = 0x6474e550,
496 // Stack flags.
497 PT_GNU_STACK = 0x6474e551,
498 // Read only after relocation.
499 PT_GNU_RELRO = 0x6474e552,
500 // Platform architecture compatibility information
501 PT_ARM_ARCHEXT = 0x70000000,
502 // Exception unwind tables
503 PT_ARM_EXIDX = 0x70000001,
504 // Register usage information. Identifies one .reginfo section.
505 PT_MIPS_REGINFO =0x70000000,
506 // Runtime procedure table.
507 PT_MIPS_RTPROC = 0x70000001,
508 // .MIPS.options section.
509 PT_MIPS_OPTIONS = 0x70000002,
510 // .MIPS.abiflags section.
511 PT_MIPS_ABIFLAGS = 0x70000003,
512 // Platform architecture compatibility information
513 PT_AARCH64_ARCHEXT = 0x70000000,
514 // Exception unwind tables
515 PT_AARCH64_UNWIND = 0x70000001
516 };
517
518 // The valid bit flags found in the Phdr p_flags field.
519
520 enum PF
521 {
522 PF_X = 0x1,
523 PF_W = 0x2,
524 PF_R = 0x4,
525 PF_MASKOS = 0x0ff00000,
526 PF_MASKPROC = 0xf0000000
527 };
528
529 // Symbol binding from Sym st_info field.
530
531 enum STB
532 {
533 STB_LOCAL = 0,
534 STB_GLOBAL = 1,
535 STB_WEAK = 2,
536 STB_LOOS = 10,
537 STB_GNU_UNIQUE = 10,
538 STB_HIOS = 12,
539 STB_LOPROC = 13,
540 STB_HIPROC = 15
541 };
542
543 // Symbol types from Sym st_info field.
544
545 enum STT
546 {
547 STT_NOTYPE = 0,
548 STT_OBJECT = 1,
549 STT_FUNC = 2,
550 STT_SECTION = 3,
551 STT_FILE = 4,
552 STT_COMMON = 5,
553 STT_TLS = 6,
554
555 // GNU extension: symbol value points to a function which is called
556 // at runtime to determine the final value of the symbol.
557 STT_GNU_IFUNC = 10,
558
559 STT_LOOS = 10,
560 STT_HIOS = 12,
561 STT_LOPROC = 13,
562 STT_HIPROC = 15,
563
564 // The section type that must be used for register symbols on
565 // Sparc. These symbols initialize a global register.
566 STT_SPARC_REGISTER = 13,
567
568 // ARM: a THUMB function. This is not defined in ARM ELF Specification but
569 // used by the GNU tool-chain.
570 STT_ARM_TFUNC = 13
571 };
572
573 inline STB
574 elf_st_bind(unsigned char info)
575 {
576 return static_cast<STB>(info >> 4);
577 }
578
579 inline STT
580 elf_st_type(unsigned char info)
581 {
582 return static_cast<STT>(info & 0xf);
583 }
584
585 inline unsigned char
586 elf_st_info(STB bind, STT type)
587 {
588 return ((static_cast<unsigned char>(bind) << 4)
589 + (static_cast<unsigned char>(type) & 0xf));
590 }
591
592 // Symbol visibility from Sym st_other field.
593
594 enum STV
595 {
596 STV_DEFAULT = 0,
597 STV_INTERNAL = 1,
598 STV_HIDDEN = 2,
599 STV_PROTECTED = 3
600 };
601
602 inline STV
603 elf_st_visibility(unsigned char other)
604 {
605 return static_cast<STV>(other & 0x3);
606 }
607
608 inline unsigned char
609 elf_st_nonvis(unsigned char other)
610 {
611 return static_cast<STV>(other >> 2);
612 }
613
614 inline unsigned char
615 elf_st_other(STV vis, unsigned char nonvis)
616 {
617 return ((nonvis << 2)
618 + (static_cast<unsigned char>(vis) & 3));
619 }
620
621 // Reloc information from Rel/Rela r_info field.
622
623 template<int size>
624 unsigned int
625 elf_r_sym(typename Elf_types<size>::Elf_WXword);
626
627 template<>
628 inline unsigned int
629 elf_r_sym<32>(Elf_Word v)
630 {
631 return v >> 8;
632 }
633
634 template<>
635 inline unsigned int
636 elf_r_sym<64>(Elf_Xword v)
637 {
638 return v >> 32;
639 }
640
641 template<int size>
642 unsigned int
643 elf_r_type(typename Elf_types<size>::Elf_WXword);
644
645 template<>
646 inline unsigned int
647 elf_r_type<32>(Elf_Word v)
648 {
649 return v & 0xff;
650 }
651
652 template<>
653 inline unsigned int
654 elf_r_type<64>(Elf_Xword v)
655 {
656 return v & 0xffffffff;
657 }
658
659 template<int size>
660 typename Elf_types<size>::Elf_WXword
661 elf_r_info(unsigned int s, unsigned int t);
662
663 template<>
664 inline Elf_Word
665 elf_r_info<32>(unsigned int s, unsigned int t)
666 {
667 return (s << 8) + (t & 0xff);
668 }
669
670 template<>
671 inline Elf_Xword
672 elf_r_info<64>(unsigned int s, unsigned int t)
673 {
674 return (static_cast<Elf_Xword>(s) << 32) + (t & 0xffffffff);
675 }
676
677 // Dynamic tags found in the PT_DYNAMIC segment.
678
679 enum DT
680 {
681 DT_NULL = 0,
682 DT_NEEDED = 1,
683 DT_PLTRELSZ = 2,
684 DT_PLTGOT = 3,
685 DT_HASH = 4,
686 DT_STRTAB = 5,
687 DT_SYMTAB = 6,
688 DT_RELA = 7,
689 DT_RELASZ = 8,
690 DT_RELAENT = 9,
691 DT_STRSZ = 10,
692 DT_SYMENT = 11,
693 DT_INIT = 12,
694 DT_FINI = 13,
695 DT_SONAME = 14,
696 DT_RPATH = 15,
697 DT_SYMBOLIC = 16,
698 DT_REL = 17,
699 DT_RELSZ = 18,
700 DT_RELENT = 19,
701 DT_PLTREL = 20,
702 DT_DEBUG = 21,
703 DT_TEXTREL = 22,
704 DT_JMPREL = 23,
705 DT_BIND_NOW = 24,
706 DT_INIT_ARRAY = 25,
707 DT_FINI_ARRAY = 26,
708 DT_INIT_ARRAYSZ = 27,
709 DT_FINI_ARRAYSZ = 28,
710 DT_RUNPATH = 29,
711 DT_FLAGS = 30,
712
713 // This is used to mark a range of dynamic tags. It is not really
714 // a tag value.
715 DT_ENCODING = 32,
716
717 DT_PREINIT_ARRAY = 32,
718 DT_PREINIT_ARRAYSZ = 33,
719 DT_LOOS = 0x6000000d,
720 DT_HIOS = 0x6ffff000,
721 DT_LOPROC = 0x70000000,
722 DT_HIPROC = 0x7fffffff,
723
724 // The remaining values are extensions used by GNU or Solaris.
725 DT_VALRNGLO = 0x6ffffd00,
726 DT_GNU_PRELINKED = 0x6ffffdf5,
727 DT_GNU_CONFLICTSZ = 0x6ffffdf6,
728 DT_GNU_LIBLISTSZ = 0x6ffffdf7,
729 DT_CHECKSUM = 0x6ffffdf8,
730 DT_PLTPADSZ = 0x6ffffdf9,
731 DT_MOVEENT = 0x6ffffdfa,
732 DT_MOVESZ = 0x6ffffdfb,
733 DT_FEATURE = 0x6ffffdfc,
734 DT_POSFLAG_1 = 0x6ffffdfd,
735 DT_SYMINSZ = 0x6ffffdfe,
736 DT_SYMINENT = 0x6ffffdff,
737 DT_VALRNGHI = 0x6ffffdff,
738
739 DT_ADDRRNGLO = 0x6ffffe00,
740 DT_GNU_HASH = 0x6ffffef5,
741 DT_TLSDESC_PLT = 0x6ffffef6,
742 DT_TLSDESC_GOT = 0x6ffffef7,
743 DT_GNU_CONFLICT = 0x6ffffef8,
744 DT_GNU_LIBLIST = 0x6ffffef9,
745 DT_CONFIG = 0x6ffffefa,
746 DT_DEPAUDIT = 0x6ffffefb,
747 DT_AUDIT = 0x6ffffefc,
748 DT_PLTPAD = 0x6ffffefd,
749 DT_MOVETAB = 0x6ffffefe,
750 DT_SYMINFO = 0x6ffffeff,
751 DT_ADDRRNGHI = 0x6ffffeff,
752
753 DT_RELACOUNT = 0x6ffffff9,
754 DT_RELCOUNT = 0x6ffffffa,
755 DT_FLAGS_1 = 0x6ffffffb,
756 DT_VERDEF = 0x6ffffffc,
757 DT_VERDEFNUM = 0x6ffffffd,
758 DT_VERNEED = 0x6ffffffe,
759 DT_VERNEEDNUM = 0x6fffffff,
760
761 DT_VERSYM = 0x6ffffff0,
762
763 // Specify the value of _GLOBAL_OFFSET_TABLE_.
764 DT_PPC_GOT = 0x70000000,
765
766 // Specify the start of the .glink section.
767 DT_PPC64_GLINK = 0x70000000,
768
769 // Specify the start and size of the .opd section.
770 DT_PPC64_OPD = 0x70000001,
771 DT_PPC64_OPDSZ = 0x70000002,
772
773 // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB
774 // symbol table. One dynamic entry exists for every STT_SPARC_REGISTER
775 // symbol in the symbol table.
776 DT_SPARC_REGISTER = 0x70000001,
777
778 // MIPS specific dynamic array tags.
779 // 32 bit version number for runtime linker interface.
780 DT_MIPS_RLD_VERSION = 0x70000001,
781 // Time stamp.
782 DT_MIPS_TIME_STAMP = 0x70000002,
783 // Checksum of external strings and common sizes.
784 DT_MIPS_ICHECKSUM = 0x70000003,
785 // Index of version string in string table.
786 DT_MIPS_IVERSION = 0x70000004,
787 // 32 bits of flags.
788 DT_MIPS_FLAGS = 0x70000005,
789 // Base address of the segment.
790 DT_MIPS_BASE_ADDRESS = 0x70000006,
791 // ???
792 DT_MIPS_MSYM = 0x70000007,
793 // Address of .conflict section.
794 DT_MIPS_CONFLICT = 0x70000008,
795 // Address of .liblist section.
796 DT_MIPS_LIBLIST = 0x70000009,
797 // Number of local global offset table entries.
798 DT_MIPS_LOCAL_GOTNO = 0x7000000a,
799 // Number of entries in the .conflict section.
800 DT_MIPS_CONFLICTNO = 0x7000000b,
801 // Number of entries in the .liblist section.
802 DT_MIPS_LIBLISTNO = 0x70000010,
803 // Number of entries in the .dynsym section.
804 DT_MIPS_SYMTABNO = 0x70000011,
805 // Index of first external dynamic symbol not referenced locally.
806 DT_MIPS_UNREFEXTNO = 0x70000012,
807 // Index of first dynamic symbol in global offset table.
808 DT_MIPS_GOTSYM = 0x70000013,
809 // Number of page table entries in global offset table.
810 DT_MIPS_HIPAGENO = 0x70000014,
811 // Address of run time loader map, used for debugging.
812 DT_MIPS_RLD_MAP = 0x70000016,
813 // Delta C++ class definition.
814 DT_MIPS_DELTA_CLASS = 0x70000017,
815 // Number of entries in DT_MIPS_DELTA_CLASS.
816 DT_MIPS_DELTA_CLASS_NO = 0x70000018,
817 // Delta C++ class instances.
818 DT_MIPS_DELTA_INSTANCE = 0x70000019,
819 // Number of entries in DT_MIPS_DELTA_INSTANCE.
820 DT_MIPS_DELTA_INSTANCE_NO = 0x7000001a,
821 // Delta relocations.
822 DT_MIPS_DELTA_RELOC = 0x7000001b,
823 // Number of entries in DT_MIPS_DELTA_RELOC.
824 DT_MIPS_DELTA_RELOC_NO = 0x7000001c,
825 // Delta symbols that Delta relocations refer to.
826 DT_MIPS_DELTA_SYM = 0x7000001d,
827 // Number of entries in DT_MIPS_DELTA_SYM.
828 DT_MIPS_DELTA_SYM_NO = 0x7000001e,
829 // Delta symbols that hold class declarations.
830 DT_MIPS_DELTA_CLASSSYM = 0x70000020,
831 // Number of entries in DT_MIPS_DELTA_CLASSSYM.
832 DT_MIPS_DELTA_CLASSSYM_NO = 0x70000021,
833 // Flags indicating information about C++ flavor.
834 DT_MIPS_CXX_FLAGS = 0x70000022,
835 // Pixie information (???).
836 DT_MIPS_PIXIE_INIT = 0x70000023,
837 // Address of .MIPS.symlib
838 DT_MIPS_SYMBOL_LIB = 0x70000024,
839 // The GOT index of the first PTE for a segment
840 DT_MIPS_LOCALPAGE_GOTIDX = 0x70000025,
841 // The GOT index of the first PTE for a local symbol
842 DT_MIPS_LOCAL_GOTIDX = 0x70000026,
843 // The GOT index of the first PTE for a hidden symbol
844 DT_MIPS_HIDDEN_GOTIDX = 0x70000027,
845 // The GOT index of the first PTE for a protected symbol
846 DT_MIPS_PROTECTED_GOTIDX = 0x70000028,
847 // Address of `.MIPS.options'.
848 DT_MIPS_OPTIONS = 0x70000029,
849 // Address of `.interface'.
850 DT_MIPS_INTERFACE = 0x7000002a,
851 // ???
852 DT_MIPS_DYNSTR_ALIGN = 0x7000002b,
853 // Size of the .interface section.
854 DT_MIPS_INTERFACE_SIZE = 0x7000002c,
855 // Size of rld_text_resolve function stored in the GOT.
856 DT_MIPS_RLD_TEXT_RESOLVE_ADDR = 0x7000002d,
857 // Default suffix of DSO to be added by rld on dlopen() calls.
858 DT_MIPS_PERF_SUFFIX = 0x7000002e,
859 // Size of compact relocation section (O32).
860 DT_MIPS_COMPACT_SIZE = 0x7000002f,
861 // GP value for auxiliary GOTs.
862 DT_MIPS_GP_VALUE = 0x70000030,
863 // Address of auxiliary .dynamic.
864 DT_MIPS_AUX_DYNAMIC = 0x70000031,
865 // Address of the base of the PLTGOT.
866 DT_MIPS_PLTGOT = 0x70000032,
867 // Points to the base of a writable PLT.
868 DT_MIPS_RWPLT = 0x70000034,
869
870 DT_AUXILIARY = 0x7ffffffd,
871 DT_USED = 0x7ffffffe,
872 DT_FILTER = 0x7fffffff
873 };
874
875 // Flags found in the DT_FLAGS dynamic element.
876
877 enum DF
878 {
879 DF_ORIGIN = 0x1,
880 DF_SYMBOLIC = 0x2,
881 DF_TEXTREL = 0x4,
882 DF_BIND_NOW = 0x8,
883 DF_STATIC_TLS = 0x10
884 };
885
886 // Flags found in the DT_FLAGS_1 dynamic element.
887
888 enum DF_1
889 {
890 DF_1_NOW = 0x1,
891 DF_1_GLOBAL = 0x2,
892 DF_1_GROUP = 0x4,
893 DF_1_NODELETE = 0x8,
894 DF_1_LOADFLTR = 0x10,
895 DF_1_INITFIRST = 0x20,
896 DF_1_NOOPEN = 0x40,
897 DF_1_ORIGIN = 0x80,
898 DF_1_DIRECT = 0x100,
899 DF_1_TRANS = 0x200,
900 DF_1_INTERPOSE = 0x400,
901 DF_1_NODEFLIB = 0x800,
902 DF_1_NODUMP = 0x1000,
903 DF_1_CONLFAT = 0x2000
904 };
905
906 // Version numbers which appear in the vd_version field of a Verdef
907 // structure.
908
909 const int VER_DEF_NONE = 0;
910 const int VER_DEF_CURRENT = 1;
911
912 // Version numbers which appear in the vn_version field of a Verneed
913 // structure.
914
915 const int VER_NEED_NONE = 0;
916 const int VER_NEED_CURRENT = 1;
917
918 // Bit flags which appear in vd_flags of Verdef and vna_flags of
919 // Vernaux.
920
921 const int VER_FLG_BASE = 0x1;
922 const int VER_FLG_WEAK = 0x2;
923 const int VER_FLG_INFO = 0x4;
924
925 // Special constants found in the SHT_GNU_versym entries.
926
927 const int VER_NDX_LOCAL = 0;
928 const int VER_NDX_GLOBAL = 1;
929
930 // A SHT_GNU_versym section holds 16-bit words. This bit is set if
931 // the symbol is hidden and can only be seen when referenced using an
932 // explicit version number. This is a GNU extension.
933
934 const int VERSYM_HIDDEN = 0x8000;
935
936 // This is the mask for the rest of the data in a word read from a
937 // SHT_GNU_versym section.
938
939 const int VERSYM_VERSION = 0x7fff;
940
941 // Note descriptor type codes for notes in a non-core file with an
942 // empty name.
943
944 enum
945 {
946 // A version string.
947 NT_VERSION = 1,
948 // An architecture string.
949 NT_ARCH = 2
950 };
951
952 // Note descriptor type codes for notes in a non-core file with the
953 // name "GNU".
954
955 enum
956 {
957 // The minimum ABI level. This is used by the dynamic linker to
958 // describe the minimal kernel version on which a shared library may
959 // be used. Th value should be four words. Word 0 is an OS
960 // descriptor (see below). Word 1 is the major version of the ABI.
961 // Word 2 is the minor version. Word 3 is the subminor version.
962 NT_GNU_ABI_TAG = 1,
963 // Hardware capabilities information. Word 0 is the number of
964 // entries. Word 1 is a bitmask of enabled entries. The rest of
965 // the descriptor is a series of entries, where each entry is a
966 // single byte followed by a nul terminated string. The byte gives
967 // the bit number to test if enabled in the bitmask.
968 NT_GNU_HWCAP = 2,
969 // The build ID as set by the linker's --build-id option. The
970 // format of the descriptor depends on the build ID style.
971 NT_GNU_BUILD_ID = 3,
972 // The version of gold used to link. Th descriptor is just a
973 // string.
974 NT_GNU_GOLD_VERSION = 4
975 };
976
977 // The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note.
978
979 enum
980 {
981 ELF_NOTE_OS_LINUX = 0,
982 ELF_NOTE_OS_GNU = 1,
983 ELF_NOTE_OS_SOLARIS2 = 2,
984 ELF_NOTE_OS_FREEBSD = 3,
985 ELF_NOTE_OS_NETBSD = 4,
986 ELF_NOTE_OS_SYLLABLE = 5
987 };
988
989 } // End namespace elfcpp.
990
991 // Include internal details after defining the types.
992 #include "elfcpp_internal.h"
993
994 namespace elfcpp
995 {
996
997 // The offset of the ELF file header in the ELF file.
998
999 const int file_header_offset = 0;
1000
1001 // ELF structure sizes.
1002
1003 template<int size>
1004 struct Elf_sizes
1005 {
1006 // Size of ELF file header.
1007 static const int ehdr_size = sizeof(internal::Ehdr_data<size>);
1008 // Size of ELF segment header.
1009 static const int phdr_size = sizeof(internal::Phdr_data<size>);
1010 // Size of ELF section header.
1011 static const int shdr_size = sizeof(internal::Shdr_data<size>);
1012 // Size of ELF compression header.
1013 static const int chdr_size = sizeof(internal::Chdr_data<size>);
1014 // Size of ELF symbol table entry.
1015 static const int sym_size = sizeof(internal::Sym_data<size>);
1016 // Sizes of ELF reloc entries.
1017 static const int rel_size = sizeof(internal::Rel_data<size>);
1018 static const int rela_size = sizeof(internal::Rela_data<size>);
1019 // Size of ELF dynamic entry.
1020 static const int dyn_size = sizeof(internal::Dyn_data<size>);
1021 // Size of ELF version structures.
1022 static const int verdef_size = sizeof(internal::Verdef_data);
1023 static const int verdaux_size = sizeof(internal::Verdaux_data);
1024 static const int verneed_size = sizeof(internal::Verneed_data);
1025 static const int vernaux_size = sizeof(internal::Vernaux_data);
1026 };
1027
1028 // Accessor class for the ELF file header.
1029
1030 template<int size, bool big_endian>
1031 class Ehdr
1032 {
1033 public:
1034 Ehdr(const unsigned char* p)
1035 : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(p))
1036 { }
1037
1038 template<typename File>
1039 Ehdr(File* file, typename File::Location loc)
1040 : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(
1041 file->view(loc.file_offset, loc.data_size).data()))
1042 { }
1043
1044 const unsigned char*
1045 get_e_ident() const
1046 { return this->p_->e_ident; }
1047
1048 Elf_Half
1049 get_e_type() const
1050 { return Convert<16, big_endian>::convert_host(this->p_->e_type); }
1051
1052 Elf_Half
1053 get_e_machine() const
1054 { return Convert<16, big_endian>::convert_host(this->p_->e_machine); }
1055
1056 Elf_Word
1057 get_e_version() const
1058 { return Convert<32, big_endian>::convert_host(this->p_->e_version); }
1059
1060 typename Elf_types<size>::Elf_Addr
1061 get_e_entry() const
1062 { return Convert<size, big_endian>::convert_host(this->p_->e_entry); }
1063
1064 typename Elf_types<size>::Elf_Off
1065 get_e_phoff() const
1066 { return Convert<size, big_endian>::convert_host(this->p_->e_phoff); }
1067
1068 typename Elf_types<size>::Elf_Off
1069 get_e_shoff() const
1070 { return Convert<size, big_endian>::convert_host(this->p_->e_shoff); }
1071
1072 Elf_Word
1073 get_e_flags() const
1074 { return Convert<32, big_endian>::convert_host(this->p_->e_flags); }
1075
1076 Elf_Half
1077 get_e_ehsize() const
1078 { return Convert<16, big_endian>::convert_host(this->p_->e_ehsize); }
1079
1080 Elf_Half
1081 get_e_phentsize() const
1082 { return Convert<16, big_endian>::convert_host(this->p_->e_phentsize); }
1083
1084 Elf_Half
1085 get_e_phnum() const
1086 { return Convert<16, big_endian>::convert_host(this->p_->e_phnum); }
1087
1088 Elf_Half
1089 get_e_shentsize() const
1090 { return Convert<16, big_endian>::convert_host(this->p_->e_shentsize); }
1091
1092 Elf_Half
1093 get_e_shnum() const
1094 { return Convert<16, big_endian>::convert_host(this->p_->e_shnum); }
1095
1096 Elf_Half
1097 get_e_shstrndx() const
1098 { return Convert<16, big_endian>::convert_host(this->p_->e_shstrndx); }
1099
1100 private:
1101 const internal::Ehdr_data<size>* p_;
1102 };
1103
1104 // Write class for the ELF file header.
1105
1106 template<int size, bool big_endian>
1107 class Ehdr_write
1108 {
1109 public:
1110 Ehdr_write(unsigned char* p)
1111 : p_(reinterpret_cast<internal::Ehdr_data<size>*>(p))
1112 { }
1113
1114 void
1115 put_e_ident(const unsigned char v[EI_NIDENT]) const
1116 { memcpy(this->p_->e_ident, v, EI_NIDENT); }
1117
1118 void
1119 put_e_type(Elf_Half v)
1120 { this->p_->e_type = Convert<16, big_endian>::convert_host(v); }
1121
1122 void
1123 put_e_machine(Elf_Half v)
1124 { this->p_->e_machine = Convert<16, big_endian>::convert_host(v); }
1125
1126 void
1127 put_e_version(Elf_Word v)
1128 { this->p_->e_version = Convert<32, big_endian>::convert_host(v); }
1129
1130 void
1131 put_e_entry(typename Elf_types<size>::Elf_Addr v)
1132 { this->p_->e_entry = Convert<size, big_endian>::convert_host(v); }
1133
1134 void
1135 put_e_phoff(typename Elf_types<size>::Elf_Off v)
1136 { this->p_->e_phoff = Convert<size, big_endian>::convert_host(v); }
1137
1138 void
1139 put_e_shoff(typename Elf_types<size>::Elf_Off v)
1140 { this->p_->e_shoff = Convert<size, big_endian>::convert_host(v); }
1141
1142 void
1143 put_e_flags(Elf_Word v)
1144 { this->p_->e_flags = Convert<32, big_endian>::convert_host(v); }
1145
1146 void
1147 put_e_ehsize(Elf_Half v)
1148 { this->p_->e_ehsize = Convert<16, big_endian>::convert_host(v); }
1149
1150 void
1151 put_e_phentsize(Elf_Half v)
1152 { this->p_->e_phentsize = Convert<16, big_endian>::convert_host(v); }
1153
1154 void
1155 put_e_phnum(Elf_Half v)
1156 { this->p_->e_phnum = Convert<16, big_endian>::convert_host(v); }
1157
1158 void
1159 put_e_shentsize(Elf_Half v)
1160 { this->p_->e_shentsize = Convert<16, big_endian>::convert_host(v); }
1161
1162 void
1163 put_e_shnum(Elf_Half v)
1164 { this->p_->e_shnum = Convert<16, big_endian>::convert_host(v); }
1165
1166 void
1167 put_e_shstrndx(Elf_Half v)
1168 { this->p_->e_shstrndx = Convert<16, big_endian>::convert_host(v); }
1169
1170 private:
1171 internal::Ehdr_data<size>* p_;
1172 };
1173
1174 // Accessor class for an ELF section header.
1175
1176 template<int size, bool big_endian>
1177 class Shdr
1178 {
1179 public:
1180 Shdr(const unsigned char* p)
1181 : p_(reinterpret_cast<const internal::Shdr_data<size>*>(p))
1182 { }
1183
1184 template<typename File>
1185 Shdr(File* file, typename File::Location loc)
1186 : p_(reinterpret_cast<const internal::Shdr_data<size>*>(
1187 file->view(loc.file_offset, loc.data_size).data()))
1188 { }
1189
1190 Elf_Word
1191 get_sh_name() const
1192 { return Convert<32, big_endian>::convert_host(this->p_->sh_name); }
1193
1194 Elf_Word
1195 get_sh_type() const
1196 { return Convert<32, big_endian>::convert_host(this->p_->sh_type); }
1197
1198 typename Elf_types<size>::Elf_WXword
1199 get_sh_flags() const
1200 { return Convert<size, big_endian>::convert_host(this->p_->sh_flags); }
1201
1202 typename Elf_types<size>::Elf_Addr
1203 get_sh_addr() const
1204 { return Convert<size, big_endian>::convert_host(this->p_->sh_addr); }
1205
1206 typename Elf_types<size>::Elf_Off
1207 get_sh_offset() const
1208 { return Convert<size, big_endian>::convert_host(this->p_->sh_offset); }
1209
1210 typename Elf_types<size>::Elf_WXword
1211 get_sh_size() const
1212 { return Convert<size, big_endian>::convert_host(this->p_->sh_size); }
1213
1214 Elf_Word
1215 get_sh_link() const
1216 { return Convert<32, big_endian>::convert_host(this->p_->sh_link); }
1217
1218 Elf_Word
1219 get_sh_info() const
1220 { return Convert<32, big_endian>::convert_host(this->p_->sh_info); }
1221
1222 typename Elf_types<size>::Elf_WXword
1223 get_sh_addralign() const
1224 { return
1225 Convert<size, big_endian>::convert_host(this->p_->sh_addralign); }
1226
1227 typename Elf_types<size>::Elf_WXword
1228 get_sh_entsize() const
1229 { return Convert<size, big_endian>::convert_host(this->p_->sh_entsize); }
1230
1231 private:
1232 const internal::Shdr_data<size>* p_;
1233 };
1234
1235 // Write class for an ELF section header.
1236
1237 template<int size, bool big_endian>
1238 class Shdr_write
1239 {
1240 public:
1241 Shdr_write(unsigned char* p)
1242 : p_(reinterpret_cast<internal::Shdr_data<size>*>(p))
1243 { }
1244
1245 void
1246 put_sh_name(Elf_Word v)
1247 { this->p_->sh_name = Convert<32, big_endian>::convert_host(v); }
1248
1249 void
1250 put_sh_type(Elf_Word v)
1251 { this->p_->sh_type = Convert<32, big_endian>::convert_host(v); }
1252
1253 void
1254 put_sh_flags(typename Elf_types<size>::Elf_WXword v)
1255 { this->p_->sh_flags = Convert<size, big_endian>::convert_host(v); }
1256
1257 void
1258 put_sh_addr(typename Elf_types<size>::Elf_Addr v)
1259 { this->p_->sh_addr = Convert<size, big_endian>::convert_host(v); }
1260
1261 void
1262 put_sh_offset(typename Elf_types<size>::Elf_Off v)
1263 { this->p_->sh_offset = Convert<size, big_endian>::convert_host(v); }
1264
1265 void
1266 put_sh_size(typename Elf_types<size>::Elf_WXword v)
1267 { this->p_->sh_size = Convert<size, big_endian>::convert_host(v); }
1268
1269 void
1270 put_sh_link(Elf_Word v)
1271 { this->p_->sh_link = Convert<32, big_endian>::convert_host(v); }
1272
1273 void
1274 put_sh_info(Elf_Word v)
1275 { this->p_->sh_info = Convert<32, big_endian>::convert_host(v); }
1276
1277 void
1278 put_sh_addralign(typename Elf_types<size>::Elf_WXword v)
1279 { this->p_->sh_addralign = Convert<size, big_endian>::convert_host(v); }
1280
1281 void
1282 put_sh_entsize(typename Elf_types<size>::Elf_WXword v)
1283 { this->p_->sh_entsize = Convert<size, big_endian>::convert_host(v); }
1284
1285 private:
1286 internal::Shdr_data<size>* p_;
1287 };
1288
1289 // Accessor class for an ELF compression header.
1290
1291 template<int size, bool big_endian>
1292 class Chdr
1293 {
1294 public:
1295 Chdr(const unsigned char* p)
1296 : p_(reinterpret_cast<const internal::Chdr_data<size>*>(p))
1297 { }
1298
1299 template<typename File>
1300 Chdr(File* file, typename File::Location loc)
1301 : p_(reinterpret_cast<const internal::Chdr_data<size>*>(
1302 file->view(loc.file_offset, loc.data_size).data()))
1303 { }
1304
1305 Elf_Word
1306 get_ch_type() const
1307 { return Convert<size, big_endian>::convert_host(this->p_->ch_type); }
1308
1309 typename Elf_types<size>::Elf_WXword
1310 get_ch_size() const
1311 { return Convert<size, big_endian>::convert_host(this->p_->ch_size); }
1312
1313 typename Elf_types<size>::Elf_WXword
1314 get_ch_addralign() const
1315 { return
1316 Convert<size, big_endian>::convert_host(this->p_->ch_addralign); }
1317
1318 private:
1319 const internal::Chdr_data<size>* p_;
1320 };
1321
1322 // Write class for an ELF compression header.
1323
1324 template<int size, bool big_endian>
1325 class Chdr_write
1326 {
1327 public:
1328 Chdr_write(unsigned char* p)
1329 : p_(reinterpret_cast<internal::Chdr_data<size>*>(p))
1330 { }
1331
1332 void
1333 put_ch_type(typename Elf_types<size>::Elf_WXword v)
1334 { this->p_->ch_type = Convert<size, big_endian>::convert_host(v); }
1335
1336 void
1337 put_ch_size(typename Elf_types<size>::Elf_WXword v)
1338 { this->p_->ch_size = Convert<size, big_endian>::convert_host(v); }
1339
1340 void
1341 put_ch_addralign(typename Elf_types<size>::Elf_WXword v)
1342 { this->p_->ch_addralign = Convert<size, big_endian>::convert_host(v); }
1343
1344 private:
1345 internal::Chdr_data<size>* p_;
1346 };
1347
1348 // Accessor class for an ELF segment header.
1349
1350 template<int size, bool big_endian>
1351 class Phdr
1352 {
1353 public:
1354 Phdr(const unsigned char* p)
1355 : p_(reinterpret_cast<const internal::Phdr_data<size>*>(p))
1356 { }
1357
1358 template<typename File>
1359 Phdr(File* file, typename File::Location loc)
1360 : p_(reinterpret_cast<internal::Phdr_data<size>*>(
1361 file->view(loc.file_offset, loc.data_size).data()))
1362 { }
1363
1364 Elf_Word
1365 get_p_type() const
1366 { return Convert<32, big_endian>::convert_host(this->p_->p_type); }
1367
1368 typename Elf_types<size>::Elf_Off
1369 get_p_offset() const
1370 { return Convert<size, big_endian>::convert_host(this->p_->p_offset); }
1371
1372 typename Elf_types<size>::Elf_Addr
1373 get_p_vaddr() const
1374 { return Convert<size, big_endian>::convert_host(this->p_->p_vaddr); }
1375
1376 typename Elf_types<size>::Elf_Addr
1377 get_p_paddr() const
1378 { return Convert<size, big_endian>::convert_host(this->p_->p_paddr); }
1379
1380 typename Elf_types<size>::Elf_WXword
1381 get_p_filesz() const
1382 { return Convert<size, big_endian>::convert_host(this->p_->p_filesz); }
1383
1384 typename Elf_types<size>::Elf_WXword
1385 get_p_memsz() const
1386 { return Convert<size, big_endian>::convert_host(this->p_->p_memsz); }
1387
1388 Elf_Word
1389 get_p_flags() const
1390 { return Convert<32, big_endian>::convert_host(this->p_->p_flags); }
1391
1392 typename Elf_types<size>::Elf_WXword
1393 get_p_align() const
1394 { return Convert<size, big_endian>::convert_host(this->p_->p_align); }
1395
1396 private:
1397 const internal::Phdr_data<size>* p_;
1398 };
1399
1400 // Write class for an ELF segment header.
1401
1402 template<int size, bool big_endian>
1403 class Phdr_write
1404 {
1405 public:
1406 Phdr_write(unsigned char* p)
1407 : p_(reinterpret_cast<internal::Phdr_data<size>*>(p))
1408 { }
1409
1410 void
1411 put_p_type(Elf_Word v)
1412 { this->p_->p_type = Convert<32, big_endian>::convert_host(v); }
1413
1414 void
1415 put_p_offset(typename Elf_types<size>::Elf_Off v)
1416 { this->p_->p_offset = Convert<size, big_endian>::convert_host(v); }
1417
1418 void
1419 put_p_vaddr(typename Elf_types<size>::Elf_Addr v)
1420 { this->p_->p_vaddr = Convert<size, big_endian>::convert_host(v); }
1421
1422 void
1423 put_p_paddr(typename Elf_types<size>::Elf_Addr v)
1424 { this->p_->p_paddr = Convert<size, big_endian>::convert_host(v); }
1425
1426 void
1427 put_p_filesz(typename Elf_types<size>::Elf_WXword v)
1428 { this->p_->p_filesz = Convert<size, big_endian>::convert_host(v); }
1429
1430 void
1431 put_p_memsz(typename Elf_types<size>::Elf_WXword v)
1432 { this->p_->p_memsz = Convert<size, big_endian>::convert_host(v); }
1433
1434 void
1435 put_p_flags(Elf_Word v)
1436 { this->p_->p_flags = Convert<32, big_endian>::convert_host(v); }
1437
1438 void
1439 put_p_align(typename Elf_types<size>::Elf_WXword v)
1440 { this->p_->p_align = Convert<size, big_endian>::convert_host(v); }
1441
1442 private:
1443 internal::Phdr_data<size>* p_;
1444 };
1445
1446 // Accessor class for an ELF symbol table entry.
1447
1448 template<int size, bool big_endian>
1449 class Sym
1450 {
1451 public:
1452 Sym(const unsigned char* p)
1453 : p_(reinterpret_cast<const internal::Sym_data<size>*>(p))
1454 { }
1455
1456 template<typename File>
1457 Sym(File* file, typename File::Location loc)
1458 : p_(reinterpret_cast<const internal::Sym_data<size>*>(
1459 file->view(loc.file_offset, loc.data_size).data()))
1460 { }
1461
1462 Elf_Word
1463 get_st_name() const
1464 { return Convert<32, big_endian>::convert_host(this->p_->st_name); }
1465
1466 typename Elf_types<size>::Elf_Addr
1467 get_st_value() const
1468 { return Convert<size, big_endian>::convert_host(this->p_->st_value); }
1469
1470 typename Elf_types<size>::Elf_WXword
1471 get_st_size() const
1472 { return Convert<size, big_endian>::convert_host(this->p_->st_size); }
1473
1474 unsigned char
1475 get_st_info() const
1476 { return this->p_->st_info; }
1477
1478 STB
1479 get_st_bind() const
1480 { return elf_st_bind(this->get_st_info()); }
1481
1482 STT
1483 get_st_type() const
1484 { return elf_st_type(this->get_st_info()); }
1485
1486 unsigned char
1487 get_st_other() const
1488 { return this->p_->st_other; }
1489
1490 STV
1491 get_st_visibility() const
1492 { return elf_st_visibility(this->get_st_other()); }
1493
1494 unsigned char
1495 get_st_nonvis() const
1496 { return elf_st_nonvis(this->get_st_other()); }
1497
1498 Elf_Half
1499 get_st_shndx() const
1500 { return Convert<16, big_endian>::convert_host(this->p_->st_shndx); }
1501
1502 private:
1503 const internal::Sym_data<size>* p_;
1504 };
1505
1506 // Writer class for an ELF symbol table entry.
1507
1508 template<int size, bool big_endian>
1509 class Sym_write
1510 {
1511 public:
1512 Sym_write(unsigned char* p)
1513 : p_(reinterpret_cast<internal::Sym_data<size>*>(p))
1514 { }
1515
1516 void
1517 put_st_name(Elf_Word v)
1518 { this->p_->st_name = Convert<32, big_endian>::convert_host(v); }
1519
1520 void
1521 put_st_value(typename Elf_types<size>::Elf_Addr v)
1522 { this->p_->st_value = Convert<size, big_endian>::convert_host(v); }
1523
1524 void
1525 put_st_size(typename Elf_types<size>::Elf_WXword v)
1526 { this->p_->st_size = Convert<size, big_endian>::convert_host(v); }
1527
1528 void
1529 put_st_info(unsigned char v)
1530 { this->p_->st_info = v; }
1531
1532 void
1533 put_st_info(STB bind, STT type)
1534 { this->p_->st_info = elf_st_info(bind, type); }
1535
1536 void
1537 put_st_other(unsigned char v)
1538 { this->p_->st_other = v; }
1539
1540 void
1541 put_st_other(STV vis, unsigned char nonvis)
1542 { this->p_->st_other = elf_st_other(vis, nonvis); }
1543
1544 void
1545 put_st_shndx(Elf_Half v)
1546 { this->p_->st_shndx = Convert<16, big_endian>::convert_host(v); }
1547
1548 Sym<size, big_endian>
1549 sym()
1550 { return Sym<size, big_endian>(reinterpret_cast<unsigned char*>(this->p_)); }
1551
1552 private:
1553 internal::Sym_data<size>* p_;
1554 };
1555
1556 // Accessor classes for an ELF REL relocation entry.
1557
1558 template<int size, bool big_endian>
1559 class Rel
1560 {
1561 public:
1562 Rel(const unsigned char* p)
1563 : p_(reinterpret_cast<const internal::Rel_data<size>*>(p))
1564 { }
1565
1566 template<typename File>
1567 Rel(File* file, typename File::Location loc)
1568 : p_(reinterpret_cast<const internal::Rel_data<size>*>(
1569 file->view(loc.file_offset, loc.data_size).data()))
1570 { }
1571
1572 typename Elf_types<size>::Elf_Addr
1573 get_r_offset() const
1574 { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1575
1576 typename Elf_types<size>::Elf_WXword
1577 get_r_info() const
1578 { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1579
1580 private:
1581 const internal::Rel_data<size>* p_;
1582 };
1583
1584 // Writer class for an ELF Rel relocation.
1585
1586 template<int size, bool big_endian>
1587 class Rel_write
1588 {
1589 public:
1590 Rel_write(unsigned char* p)
1591 : p_(reinterpret_cast<internal::Rel_data<size>*>(p))
1592 { }
1593
1594 void
1595 put_r_offset(typename Elf_types<size>::Elf_Addr v)
1596 { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1597
1598 void
1599 put_r_info(typename Elf_types<size>::Elf_WXword v)
1600 { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1601
1602 private:
1603 internal::Rel_data<size>* p_;
1604 };
1605
1606 // Accessor class for an ELF Rela relocation.
1607
1608 template<int size, bool big_endian>
1609 class Rela
1610 {
1611 public:
1612 Rela(const unsigned char* p)
1613 : p_(reinterpret_cast<const internal::Rela_data<size>*>(p))
1614 { }
1615
1616 template<typename File>
1617 Rela(File* file, typename File::Location loc)
1618 : p_(reinterpret_cast<const internal::Rela_data<size>*>(
1619 file->view(loc.file_offset, loc.data_size).data()))
1620 { }
1621
1622 typename Elf_types<size>::Elf_Addr
1623 get_r_offset() const
1624 { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1625
1626 typename Elf_types<size>::Elf_WXword
1627 get_r_info() const
1628 { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1629
1630 typename Elf_types<size>::Elf_Swxword
1631 get_r_addend() const
1632 { return Convert<size, big_endian>::convert_host(this->p_->r_addend); }
1633
1634 private:
1635 const internal::Rela_data<size>* p_;
1636 };
1637
1638 // Writer class for an ELF Rela relocation.
1639
1640 template<int size, bool big_endian>
1641 class Rela_write
1642 {
1643 public:
1644 Rela_write(unsigned char* p)
1645 : p_(reinterpret_cast<internal::Rela_data<size>*>(p))
1646 { }
1647
1648 void
1649 put_r_offset(typename Elf_types<size>::Elf_Addr v)
1650 { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1651
1652 void
1653 put_r_info(typename Elf_types<size>::Elf_WXword v)
1654 { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1655
1656 void
1657 put_r_addend(typename Elf_types<size>::Elf_Swxword v)
1658 { this->p_->r_addend = Convert<size, big_endian>::convert_host(v); }
1659
1660 private:
1661 internal::Rela_data<size>* p_;
1662 };
1663
1664 // Accessor classes for entries in the ELF SHT_DYNAMIC section aka
1665 // PT_DYNAMIC segment.
1666
1667 template<int size, bool big_endian>
1668 class Dyn
1669 {
1670 public:
1671 Dyn(const unsigned char* p)
1672 : p_(reinterpret_cast<const internal::Dyn_data<size>*>(p))
1673 { }
1674
1675 template<typename File>
1676 Dyn(File* file, typename File::Location loc)
1677 : p_(reinterpret_cast<const internal::Dyn_data<size>*>(
1678 file->view(loc.file_offset, loc.data_size).data()))
1679 { }
1680
1681 typename Elf_types<size>::Elf_Swxword
1682 get_d_tag() const
1683 { return Convert<size, big_endian>::convert_host(this->p_->d_tag); }
1684
1685 typename Elf_types<size>::Elf_WXword
1686 get_d_val() const
1687 { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1688
1689 typename Elf_types<size>::Elf_Addr
1690 get_d_ptr() const
1691 { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1692
1693 private:
1694 const internal::Dyn_data<size>* p_;
1695 };
1696
1697 // Write class for an entry in the SHT_DYNAMIC section.
1698
1699 template<int size, bool big_endian>
1700 class Dyn_write
1701 {
1702 public:
1703 Dyn_write(unsigned char* p)
1704 : p_(reinterpret_cast<internal::Dyn_data<size>*>(p))
1705 { }
1706
1707 void
1708 put_d_tag(typename Elf_types<size>::Elf_Swxword v)
1709 { this->p_->d_tag = Convert<size, big_endian>::convert_host(v); }
1710
1711 void
1712 put_d_val(typename Elf_types<size>::Elf_WXword v)
1713 { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1714
1715 void
1716 put_d_ptr(typename Elf_types<size>::Elf_Addr v)
1717 { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1718
1719 private:
1720 internal::Dyn_data<size>* p_;
1721 };
1722
1723 // Accessor classes for entries in the ELF SHT_GNU_verdef section.
1724
1725 template<int size, bool big_endian>
1726 class Verdef
1727 {
1728 public:
1729 Verdef(const unsigned char* p)
1730 : p_(reinterpret_cast<const internal::Verdef_data*>(p))
1731 { }
1732
1733 template<typename File>
1734 Verdef(File* file, typename File::Location loc)
1735 : p_(reinterpret_cast<const internal::Verdef_data*>(
1736 file->view(loc.file_offset, loc.data_size).data()))
1737 { }
1738
1739 Elf_Half
1740 get_vd_version() const
1741 { return Convert<16, big_endian>::convert_host(this->p_->vd_version); }
1742
1743 Elf_Half
1744 get_vd_flags() const
1745 { return Convert<16, big_endian>::convert_host(this->p_->vd_flags); }
1746
1747 Elf_Half
1748 get_vd_ndx() const
1749 { return Convert<16, big_endian>::convert_host(this->p_->vd_ndx); }
1750
1751 Elf_Half
1752 get_vd_cnt() const
1753 { return Convert<16, big_endian>::convert_host(this->p_->vd_cnt); }
1754
1755 Elf_Word
1756 get_vd_hash() const
1757 { return Convert<32, big_endian>::convert_host(this->p_->vd_hash); }
1758
1759 Elf_Word
1760 get_vd_aux() const
1761 { return Convert<32, big_endian>::convert_host(this->p_->vd_aux); }
1762
1763 Elf_Word
1764 get_vd_next() const
1765 { return Convert<32, big_endian>::convert_host(this->p_->vd_next); }
1766
1767 private:
1768 const internal::Verdef_data* p_;
1769 };
1770
1771 template<int size, bool big_endian>
1772 class Verdef_write
1773 {
1774 public:
1775 Verdef_write(unsigned char* p)
1776 : p_(reinterpret_cast<internal::Verdef_data*>(p))
1777 { }
1778
1779 void
1780 set_vd_version(Elf_Half v)
1781 { this->p_->vd_version = Convert<16, big_endian>::convert_host(v); }
1782
1783 void
1784 set_vd_flags(Elf_Half v)
1785 { this->p_->vd_flags = Convert<16, big_endian>::convert_host(v); }
1786
1787 void
1788 set_vd_ndx(Elf_Half v)
1789 { this->p_->vd_ndx = Convert<16, big_endian>::convert_host(v); }
1790
1791 void
1792 set_vd_cnt(Elf_Half v)
1793 { this->p_->vd_cnt = Convert<16, big_endian>::convert_host(v); }
1794
1795 void
1796 set_vd_hash(Elf_Word v)
1797 { this->p_->vd_hash = Convert<32, big_endian>::convert_host(v); }
1798
1799 void
1800 set_vd_aux(Elf_Word v)
1801 { this->p_->vd_aux = Convert<32, big_endian>::convert_host(v); }
1802
1803 void
1804 set_vd_next(Elf_Word v)
1805 { this->p_->vd_next = Convert<32, big_endian>::convert_host(v); }
1806
1807 private:
1808 internal::Verdef_data* p_;
1809 };
1810
1811 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef
1812 // section.
1813
1814 template<int size, bool big_endian>
1815 class Verdaux
1816 {
1817 public:
1818 Verdaux(const unsigned char* p)
1819 : p_(reinterpret_cast<const internal::Verdaux_data*>(p))
1820 { }
1821
1822 template<typename File>
1823 Verdaux(File* file, typename File::Location loc)
1824 : p_(reinterpret_cast<const internal::Verdaux_data*>(
1825 file->view(loc.file_offset, loc.data_size).data()))
1826 { }
1827
1828 Elf_Word
1829 get_vda_name() const
1830 { return Convert<32, big_endian>::convert_host(this->p_->vda_name); }
1831
1832 Elf_Word
1833 get_vda_next() const
1834 { return Convert<32, big_endian>::convert_host(this->p_->vda_next); }
1835
1836 private:
1837 const internal::Verdaux_data* p_;
1838 };
1839
1840 template<int size, bool big_endian>
1841 class Verdaux_write
1842 {
1843 public:
1844 Verdaux_write(unsigned char* p)
1845 : p_(reinterpret_cast<internal::Verdaux_data*>(p))
1846 { }
1847
1848 void
1849 set_vda_name(Elf_Word v)
1850 { this->p_->vda_name = Convert<32, big_endian>::convert_host(v); }
1851
1852 void
1853 set_vda_next(Elf_Word v)
1854 { this->p_->vda_next = Convert<32, big_endian>::convert_host(v); }
1855
1856 private:
1857 internal::Verdaux_data* p_;
1858 };
1859
1860 // Accessor classes for entries in the ELF SHT_GNU_verneed section.
1861
1862 template<int size, bool big_endian>
1863 class Verneed
1864 {
1865 public:
1866 Verneed(const unsigned char* p)
1867 : p_(reinterpret_cast<const internal::Verneed_data*>(p))
1868 { }
1869
1870 template<typename File>
1871 Verneed(File* file, typename File::Location loc)
1872 : p_(reinterpret_cast<const internal::Verneed_data*>(
1873 file->view(loc.file_offset, loc.data_size).data()))
1874 { }
1875
1876 Elf_Half
1877 get_vn_version() const
1878 { return Convert<16, big_endian>::convert_host(this->p_->vn_version); }
1879
1880 Elf_Half
1881 get_vn_cnt() const
1882 { return Convert<16, big_endian>::convert_host(this->p_->vn_cnt); }
1883
1884 Elf_Word
1885 get_vn_file() const
1886 { return Convert<32, big_endian>::convert_host(this->p_->vn_file); }
1887
1888 Elf_Word
1889 get_vn_aux() const
1890 { return Convert<32, big_endian>::convert_host(this->p_->vn_aux); }
1891
1892 Elf_Word
1893 get_vn_next() const
1894 { return Convert<32, big_endian>::convert_host(this->p_->vn_next); }
1895
1896 private:
1897 const internal::Verneed_data* p_;
1898 };
1899
1900 template<int size, bool big_endian>
1901 class Verneed_write
1902 {
1903 public:
1904 Verneed_write(unsigned char* p)
1905 : p_(reinterpret_cast<internal::Verneed_data*>(p))
1906 { }
1907
1908 void
1909 set_vn_version(Elf_Half v)
1910 { this->p_->vn_version = Convert<16, big_endian>::convert_host(v); }
1911
1912 void
1913 set_vn_cnt(Elf_Half v)
1914 { this->p_->vn_cnt = Convert<16, big_endian>::convert_host(v); }
1915
1916 void
1917 set_vn_file(Elf_Word v)
1918 { this->p_->vn_file = Convert<32, big_endian>::convert_host(v); }
1919
1920 void
1921 set_vn_aux(Elf_Word v)
1922 { this->p_->vn_aux = Convert<32, big_endian>::convert_host(v); }
1923
1924 void
1925 set_vn_next(Elf_Word v)
1926 { this->p_->vn_next = Convert<32, big_endian>::convert_host(v); }
1927
1928 private:
1929 internal::Verneed_data* p_;
1930 };
1931
1932 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed
1933 // section.
1934
1935 template<int size, bool big_endian>
1936 class Vernaux
1937 {
1938 public:
1939 Vernaux(const unsigned char* p)
1940 : p_(reinterpret_cast<const internal::Vernaux_data*>(p))
1941 { }
1942
1943 template<typename File>
1944 Vernaux(File* file, typename File::Location loc)
1945 : p_(reinterpret_cast<const internal::Vernaux_data*>(
1946 file->view(loc.file_offset, loc.data_size).data()))
1947 { }
1948
1949 Elf_Word
1950 get_vna_hash() const
1951 { return Convert<32, big_endian>::convert_host(this->p_->vna_hash); }
1952
1953 Elf_Half
1954 get_vna_flags() const
1955 { return Convert<16, big_endian>::convert_host(this->p_->vna_flags); }
1956
1957 Elf_Half
1958 get_vna_other() const
1959 { return Convert<16, big_endian>::convert_host(this->p_->vna_other); }
1960
1961 Elf_Word
1962 get_vna_name() const
1963 { return Convert<32, big_endian>::convert_host(this->p_->vna_name); }
1964
1965 Elf_Word
1966 get_vna_next() const
1967 { return Convert<32, big_endian>::convert_host(this->p_->vna_next); }
1968
1969 private:
1970 const internal::Vernaux_data* p_;
1971 };
1972
1973 template<int size, bool big_endian>
1974 class Vernaux_write
1975 {
1976 public:
1977 Vernaux_write(unsigned char* p)
1978 : p_(reinterpret_cast<internal::Vernaux_data*>(p))
1979 { }
1980
1981 void
1982 set_vna_hash(Elf_Word v)
1983 { this->p_->vna_hash = Convert<32, big_endian>::convert_host(v); }
1984
1985 void
1986 set_vna_flags(Elf_Half v)
1987 { this->p_->vna_flags = Convert<16, big_endian>::convert_host(v); }
1988
1989 void
1990 set_vna_other(Elf_Half v)
1991 { this->p_->vna_other = Convert<16, big_endian>::convert_host(v); }
1992
1993 void
1994 set_vna_name(Elf_Word v)
1995 { this->p_->vna_name = Convert<32, big_endian>::convert_host(v); }
1996
1997 void
1998 set_vna_next(Elf_Word v)
1999 { this->p_->vna_next = Convert<32, big_endian>::convert_host(v); }
2000
2001 private:
2002 internal::Vernaux_data* p_;
2003 };
2004
2005 } // End namespace elfcpp.
2006
2007 #endif // !defined(ELFPCP_H)
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