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[binutils.git] / elfcpp / elfcpp.h
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1 // elfcpp.h -- main header file for elfcpp -*- C++ -*-
3 // Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
4 // Written by Ian Lance Taylor <iant@google.com>.
6 // This file is part of elfcpp.
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.
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.)
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.
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.
32 // This is the external interface for elfcpp.
34 #ifndef ELFCPP_H
35 #define ELFCPP_H
37 #include "elfcpp_swap.h"
39 #include <stdint.h>
41 namespace elfcpp
44 // Basic ELF types.
46 // These types are always the same size.
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;
54 // These types vary in size depending on the ELF file class. The
55 // template parameter should be 32 or 64.
57 template<int size>
58 struct Elf_types;
60 template<>
61 struct Elf_types<32>
63 typedef uint32_t Elf_Addr;
64 typedef uint32_t Elf_Off;
65 typedef uint32_t Elf_WXword;
66 typedef int32_t Elf_Swxword;
69 template<>
70 struct Elf_types<64>
72 typedef uint64_t Elf_Addr;
73 typedef uint64_t Elf_Off;
74 typedef uint64_t Elf_WXword;
75 typedef int64_t Elf_Swxword;
78 // Offsets within the Ehdr e_ident field.
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;
92 // The valid values found in Ehdr e_ident[EI_MAG0 through EI_MAG3].
94 const int ELFMAG0 = 0x7f;
95 const int ELFMAG1 = 'E';
96 const int ELFMAG2 = 'L';
97 const int ELFMAG3 = 'F';
99 // The valid values found in Ehdr e_ident[EI_CLASS].
101 enum
103 ELFCLASSNONE = 0,
104 ELFCLASS32 = 1,
105 ELFCLASS64 = 2
108 // The valid values found in Ehdr e_ident[EI_DATA].
110 enum
112 ELFDATANONE = 0,
113 ELFDATA2LSB = 1,
114 ELFDATA2MSB = 2
117 // The valid values found in Ehdr e_ident[EI_VERSION] and e_version.
119 enum
121 EV_NONE = 0,
122 EV_CURRENT = 1
125 // The valid values found in Ehdr e_ident[EI_OSABI].
127 enum ELFOSABI
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
152 // The valid values found in the Ehdr e_type field.
154 enum ET
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
167 // The valid values found in the Ehdr e_machine field.
169 enum EM
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).
305 // A special value found in the Ehdr e_phnum field.
307 enum
309 // Number of program segments stored in sh_info field of first
310 // section headre.
311 PN_XNUM = 0xffff
314 // Special section indices.
316 enum
318 SHN_UNDEF = 0,
319 SHN_LORESERVE = 0xff00,
320 SHN_LOPROC = 0xff00,
321 SHN_HIPROC = 0xff1f,
322 SHN_LOOS = 0xff20,
323 SHN_HIOS = 0xff3f,
324 SHN_ABS = 0xfff1,
325 SHN_COMMON = 0xfff2,
326 SHN_XINDEX = 0xffff,
327 SHN_HIRESERVE = 0xffff,
329 // Provide for initial and final section ordering in conjunction
330 // with the SHF_LINK_ORDER and SHF_ORDERED section flags.
331 SHN_BEFORE = 0xff00,
332 SHN_AFTER = 0xff01,
334 // x86_64 specific large common symbol.
335 SHN_X86_64_LCOMMON = 0xff02
338 // The valid values found in the Shdr sh_type field.
340 enum SHT
342 SHT_NULL = 0,
343 SHT_PROGBITS = 1,
344 SHT_SYMTAB = 2,
345 SHT_STRTAB = 3,
346 SHT_RELA = 4,
347 SHT_HASH = 5,
348 SHT_DYNAMIC = 6,
349 SHT_NOTE = 7,
350 SHT_NOBITS = 8,
351 SHT_REL = 9,
352 SHT_SHLIB = 10,
353 SHT_DYNSYM = 11,
354 SHT_INIT_ARRAY = 14,
355 SHT_FINI_ARRAY = 15,
356 SHT_PREINIT_ARRAY = 16,
357 SHT_GROUP = 17,
358 SHT_SYMTAB_SHNDX = 18,
359 SHT_LOOS = 0x60000000,
360 SHT_HIOS = 0x6fffffff,
361 SHT_LOPROC = 0x70000000,
362 SHT_HIPROC = 0x7fffffff,
363 SHT_LOUSER = 0x80000000,
364 SHT_HIUSER = 0xffffffff,
365 // The remaining values are not in the standard.
366 // Incremental build data.
367 SHT_GNU_INCREMENTAL_INPUTS = 0x6fff4700,
368 SHT_GNU_INCREMENTAL_SYMTAB = 0x6fff4701,
369 SHT_GNU_INCREMENTAL_RELOCS = 0x6fff4702,
370 SHT_GNU_INCREMENTAL_GOT_PLT = 0x6fff4703,
371 // Object attributes.
372 SHT_GNU_ATTRIBUTES = 0x6ffffff5,
373 // GNU style dynamic hash table.
374 SHT_GNU_HASH = 0x6ffffff6,
375 // List of prelink dependencies.
376 SHT_GNU_LIBLIST = 0x6ffffff7,
377 // Versions defined by file.
378 SHT_SUNW_verdef = 0x6ffffffd,
379 SHT_GNU_verdef = 0x6ffffffd,
380 // Versions needed by file.
381 SHT_SUNW_verneed = 0x6ffffffe,
382 SHT_GNU_verneed = 0x6ffffffe,
383 // Symbol versions,
384 SHT_SUNW_versym = 0x6fffffff,
385 SHT_GNU_versym = 0x6fffffff,
387 SHT_SPARC_GOTDATA = 0x70000000,
389 // ARM-specific section types.
390 // Exception Index table.
391 SHT_ARM_EXIDX = 0x70000001,
392 // BPABI DLL dynamic linking pre-emption map.
393 SHT_ARM_PREEMPTMAP = 0x70000002,
394 // Object file compatibility attributes.
395 SHT_ARM_ATTRIBUTES = 0x70000003,
396 // Support for debugging overlaid programs.
397 SHT_ARM_DEBUGOVERLAY = 0x70000004,
398 SHT_ARM_OVERLAYSECTION = 0x70000005,
400 // x86_64 unwind information.
401 SHT_X86_64_UNWIND = 0x70000001,
403 // Link editor is to sort the entries in this section based on the
404 // address specified in the associated symbol table entry.
405 SHT_ORDERED = 0x7fffffff
408 // The valid bit flags found in the Shdr sh_flags field.
410 enum SHF
412 SHF_WRITE = 0x1,
413 SHF_ALLOC = 0x2,
414 SHF_EXECINSTR = 0x4,
415 SHF_MERGE = 0x10,
416 SHF_STRINGS = 0x20,
417 SHF_INFO_LINK = 0x40,
418 SHF_LINK_ORDER = 0x80,
419 SHF_OS_NONCONFORMING = 0x100,
420 SHF_GROUP = 0x200,
421 SHF_TLS = 0x400,
422 SHF_MASKOS = 0x0ff00000,
423 SHF_MASKPROC = 0xf0000000,
425 // Indicates this section requires ordering in relation to
426 // other sections of the same type. Ordered sections are
427 // combined within the section pointed to by the sh_link entry.
428 // The sh_info values SHN_BEFORE and SHN_AFTER imply that the
429 // sorted section is to precede or follow, respectively, all
430 // other sections in the set being ordered.
431 SHF_ORDERED = 0x40000000,
432 // This section is excluded from input to the link-edit of an
433 // executable or shared object. This flag is ignored if SHF_ALLOC
434 // is also set, or if relocations exist against the section.
435 SHF_EXCLUDE = 0x80000000,
437 // x86_64 specific large section.
438 SHF_X86_64_LARGE = 0x10000000
441 // Bit flags which appear in the first 32-bit word of the section data
442 // of a SHT_GROUP section.
444 enum
446 GRP_COMDAT = 0x1,
447 GRP_MASKOS = 0x0ff00000,
448 GRP_MASKPROC = 0xf0000000
451 // The valid values found in the Phdr p_type field.
453 enum PT
455 PT_NULL = 0,
456 PT_LOAD = 1,
457 PT_DYNAMIC = 2,
458 PT_INTERP = 3,
459 PT_NOTE = 4,
460 PT_SHLIB = 5,
461 PT_PHDR = 6,
462 PT_TLS = 7,
463 PT_LOOS = 0x60000000,
464 PT_HIOS = 0x6fffffff,
465 PT_LOPROC = 0x70000000,
466 PT_HIPROC = 0x7fffffff,
467 // The remaining values are not in the standard.
468 // Frame unwind information.
469 PT_GNU_EH_FRAME = 0x6474e550,
470 PT_SUNW_EH_FRAME = 0x6474e550,
471 // Stack flags.
472 PT_GNU_STACK = 0x6474e551,
473 // Read only after relocation.
474 PT_GNU_RELRO = 0x6474e552,
475 // Platform architecture compatibility information
476 PT_ARM_ARCHEXT = 0x70000000,
477 // Exception unwind tables
478 PT_ARM_EXIDX = 0x70000001
481 // The valid bit flags found in the Phdr p_flags field.
483 enum PF
485 PF_X = 0x1,
486 PF_W = 0x2,
487 PF_R = 0x4,
488 PF_MASKOS = 0x0ff00000,
489 PF_MASKPROC = 0xf0000000
492 // Symbol binding from Sym st_info field.
494 enum STB
496 STB_LOCAL = 0,
497 STB_GLOBAL = 1,
498 STB_WEAK = 2,
499 STB_LOOS = 10,
500 STB_GNU_UNIQUE = 10,
501 STB_HIOS = 12,
502 STB_LOPROC = 13,
503 STB_HIPROC = 15
506 // Symbol types from Sym st_info field.
508 enum STT
510 STT_NOTYPE = 0,
511 STT_OBJECT = 1,
512 STT_FUNC = 2,
513 STT_SECTION = 3,
514 STT_FILE = 4,
515 STT_COMMON = 5,
516 STT_TLS = 6,
517 STT_LOOS = 10,
518 STT_GNU_IFUNC = 10,
519 STT_HIOS = 12,
520 STT_LOPROC = 13,
521 STT_HIPROC = 15,
523 // The section type that must be used for register symbols on
524 // Sparc. These symbols initialize a global register.
525 STT_SPARC_REGISTER = 13,
527 // ARM: a THUMB function. This is not defined in ARM ELF Specification but
528 // used by the GNU tool-chain.
529 STT_ARM_TFUNC = 13
532 inline STB
533 elf_st_bind(unsigned char info)
535 return static_cast<STB>(info >> 4);
538 inline STT
539 elf_st_type(unsigned char info)
541 return static_cast<STT>(info & 0xf);
544 inline unsigned char
545 elf_st_info(STB bind, STT type)
547 return ((static_cast<unsigned char>(bind) << 4)
548 + (static_cast<unsigned char>(type) & 0xf));
551 // Symbol visibility from Sym st_other field.
553 enum STV
555 STV_DEFAULT = 0,
556 STV_INTERNAL = 1,
557 STV_HIDDEN = 2,
558 STV_PROTECTED = 3
561 inline STV
562 elf_st_visibility(unsigned char other)
564 return static_cast<STV>(other & 0x3);
567 inline unsigned char
568 elf_st_nonvis(unsigned char other)
570 return static_cast<STV>(other >> 2);
573 inline unsigned char
574 elf_st_other(STV vis, unsigned char nonvis)
576 return ((nonvis << 2)
577 + (static_cast<unsigned char>(vis) & 3));
580 // Reloc information from Rel/Rela r_info field.
582 template<int size>
583 unsigned int
584 elf_r_sym(typename Elf_types<size>::Elf_WXword);
586 template<>
587 inline unsigned int
588 elf_r_sym<32>(Elf_Word v)
590 return v >> 8;
593 template<>
594 inline unsigned int
595 elf_r_sym<64>(Elf_Xword v)
597 return v >> 32;
600 template<int size>
601 unsigned int
602 elf_r_type(typename Elf_types<size>::Elf_WXword);
604 template<>
605 inline unsigned int
606 elf_r_type<32>(Elf_Word v)
608 return v & 0xff;
611 template<>
612 inline unsigned int
613 elf_r_type<64>(Elf_Xword v)
615 return v & 0xffffffff;
618 template<int size>
619 typename Elf_types<size>::Elf_WXword
620 elf_r_info(unsigned int s, unsigned int t);
622 template<>
623 inline Elf_Word
624 elf_r_info<32>(unsigned int s, unsigned int t)
626 return (s << 8) + (t & 0xff);
629 template<>
630 inline Elf_Xword
631 elf_r_info<64>(unsigned int s, unsigned int t)
633 return (static_cast<Elf_Xword>(s) << 32) + (t & 0xffffffff);
636 // Dynamic tags found in the PT_DYNAMIC segment.
638 enum DT
640 DT_NULL = 0,
641 DT_NEEDED = 1,
642 DT_PLTRELSZ = 2,
643 DT_PLTGOT = 3,
644 DT_HASH = 4,
645 DT_STRTAB = 5,
646 DT_SYMTAB = 6,
647 DT_RELA = 7,
648 DT_RELASZ = 8,
649 DT_RELAENT = 9,
650 DT_STRSZ = 10,
651 DT_SYMENT = 11,
652 DT_INIT = 12,
653 DT_FINI = 13,
654 DT_SONAME = 14,
655 DT_RPATH = 15,
656 DT_SYMBOLIC = 16,
657 DT_REL = 17,
658 DT_RELSZ = 18,
659 DT_RELENT = 19,
660 DT_PLTREL = 20,
661 DT_DEBUG = 21,
662 DT_TEXTREL = 22,
663 DT_JMPREL = 23,
664 DT_BIND_NOW = 24,
665 DT_INIT_ARRAY = 25,
666 DT_FINI_ARRAY = 26,
667 DT_INIT_ARRAYSZ = 27,
668 DT_FINI_ARRAYSZ = 28,
669 DT_RUNPATH = 29,
670 DT_FLAGS = 30,
672 // This is used to mark a range of dynamic tags. It is not really
673 // a tag value.
674 DT_ENCODING = 32,
676 DT_PREINIT_ARRAY = 32,
677 DT_PREINIT_ARRAYSZ = 33,
678 DT_LOOS = 0x6000000d,
679 DT_HIOS = 0x6ffff000,
680 DT_LOPROC = 0x70000000,
681 DT_HIPROC = 0x7fffffff,
683 // The remaining values are extensions used by GNU or Solaris.
684 DT_VALRNGLO = 0x6ffffd00,
685 DT_GNU_PRELINKED = 0x6ffffdf5,
686 DT_GNU_CONFLICTSZ = 0x6ffffdf6,
687 DT_GNU_LIBLISTSZ = 0x6ffffdf7,
688 DT_CHECKSUM = 0x6ffffdf8,
689 DT_PLTPADSZ = 0x6ffffdf9,
690 DT_MOVEENT = 0x6ffffdfa,
691 DT_MOVESZ = 0x6ffffdfb,
692 DT_FEATURE = 0x6ffffdfc,
693 DT_POSFLAG_1 = 0x6ffffdfd,
694 DT_SYMINSZ = 0x6ffffdfe,
695 DT_SYMINENT = 0x6ffffdff,
696 DT_VALRNGHI = 0x6ffffdff,
698 DT_ADDRRNGLO = 0x6ffffe00,
699 DT_GNU_HASH = 0x6ffffef5,
700 DT_TLSDESC_PLT = 0x6ffffef6,
701 DT_TLSDESC_GOT = 0x6ffffef7,
702 DT_GNU_CONFLICT = 0x6ffffef8,
703 DT_GNU_LIBLIST = 0x6ffffef9,
704 DT_CONFIG = 0x6ffffefa,
705 DT_DEPAUDIT = 0x6ffffefb,
706 DT_AUDIT = 0x6ffffefc,
707 DT_PLTPAD = 0x6ffffefd,
708 DT_MOVETAB = 0x6ffffefe,
709 DT_SYMINFO = 0x6ffffeff,
710 DT_ADDRRNGHI = 0x6ffffeff,
712 DT_RELACOUNT = 0x6ffffff9,
713 DT_RELCOUNT = 0x6ffffffa,
714 DT_FLAGS_1 = 0x6ffffffb,
715 DT_VERDEF = 0x6ffffffc,
716 DT_VERDEFNUM = 0x6ffffffd,
717 DT_VERNEED = 0x6ffffffe,
718 DT_VERNEEDNUM = 0x6fffffff,
720 DT_VERSYM = 0x6ffffff0,
722 // Specify the value of _GLOBAL_OFFSET_TABLE_.
723 DT_PPC_GOT = 0x70000000,
725 // Specify the start of the .glink section.
726 DT_PPC64_GLINK = 0x70000000,
728 // Specify the start and size of the .opd section.
729 DT_PPC64_OPD = 0x70000001,
730 DT_PPC64_OPDSZ = 0x70000002,
732 // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB
733 // symbol table. One dynamic entry exists for every STT_SPARC_REGISTER
734 // symbol in the symbol table.
735 DT_SPARC_REGISTER = 0x70000001,
737 DT_AUXILIARY = 0x7ffffffd,
738 DT_USED = 0x7ffffffe,
739 DT_FILTER = 0x7fffffff
742 // Flags found in the DT_FLAGS dynamic element.
744 enum DF
746 DF_ORIGIN = 0x1,
747 DF_SYMBOLIC = 0x2,
748 DF_TEXTREL = 0x4,
749 DF_BIND_NOW = 0x8,
750 DF_STATIC_TLS = 0x10
753 // Flags found in the DT_FLAGS_1 dynamic element.
755 enum DF_1
757 DF_1_NOW = 0x1,
758 DF_1_GLOBAL = 0x2,
759 DF_1_GROUP = 0x4,
760 DF_1_NODELETE = 0x8,
761 DF_1_LOADFLTR = 0x10,
762 DF_1_INITFIRST = 0x20,
763 DF_1_NOOPEN = 0x40,
764 DF_1_ORIGIN = 0x80,
765 DF_1_DIRECT = 0x100,
766 DF_1_TRANS = 0x200,
767 DF_1_INTERPOSE = 0x400,
768 DF_1_NODEFLIB = 0x800,
769 DF_1_NODUMP = 0x1000,
770 DF_1_CONLFAT = 0x2000
773 // Version numbers which appear in the vd_version field of a Verdef
774 // structure.
776 const int VER_DEF_NONE = 0;
777 const int VER_DEF_CURRENT = 1;
779 // Version numbers which appear in the vn_version field of a Verneed
780 // structure.
782 const int VER_NEED_NONE = 0;
783 const int VER_NEED_CURRENT = 1;
785 // Bit flags which appear in vd_flags of Verdef and vna_flags of
786 // Vernaux.
788 const int VER_FLG_BASE = 0x1;
789 const int VER_FLG_WEAK = 0x2;
790 const int VER_FLG_INFO = 0x4;
792 // Special constants found in the SHT_GNU_versym entries.
794 const int VER_NDX_LOCAL = 0;
795 const int VER_NDX_GLOBAL = 1;
797 // A SHT_GNU_versym section holds 16-bit words. This bit is set if
798 // the symbol is hidden and can only be seen when referenced using an
799 // explicit version number. This is a GNU extension.
801 const int VERSYM_HIDDEN = 0x8000;
803 // This is the mask for the rest of the data in a word read from a
804 // SHT_GNU_versym section.
806 const int VERSYM_VERSION = 0x7fff;
808 // Note descriptor type codes for notes in a non-core file with an
809 // empty name.
811 enum
813 // A version string.
814 NT_VERSION = 1,
815 // An architecture string.
816 NT_ARCH = 2
819 // Note descriptor type codes for notes in a non-core file with the
820 // name "GNU".
822 enum
824 // The minimum ABI level. This is used by the dynamic linker to
825 // describe the minimal kernel version on which a shared library may
826 // be used. Th value should be four words. Word 0 is an OS
827 // descriptor (see below). Word 1 is the major version of the ABI.
828 // Word 2 is the minor version. Word 3 is the subminor version.
829 NT_GNU_ABI_TAG = 1,
830 // Hardware capabilities information. Word 0 is the number of
831 // entries. Word 1 is a bitmask of enabled entries. The rest of
832 // the descriptor is a series of entries, where each entry is a
833 // single byte followed by a nul terminated string. The byte gives
834 // the bit number to test if enabled in the bitmask.
835 NT_GNU_HWCAP = 2,
836 // The build ID as set by the linker's --build-id option. The
837 // format of the descriptor depends on the build ID style.
838 NT_GNU_BUILD_ID = 3,
839 // The version of gold used to link. Th descriptor is just a
840 // string.
841 NT_GNU_GOLD_VERSION = 4
844 // The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note.
846 enum
848 ELF_NOTE_OS_LINUX = 0,
849 ELF_NOTE_OS_GNU = 1,
850 ELF_NOTE_OS_SOLARIS2 = 2,
851 ELF_NOTE_OS_FREEBSD = 3,
852 ELF_NOTE_OS_NETBSD = 4,
853 ELF_NOTE_OS_SYLLABLE = 5
856 } // End namespace elfcpp.
858 // Include internal details after defining the types.
859 #include "elfcpp_internal.h"
861 namespace elfcpp
864 // The offset of the ELF file header in the ELF file.
866 const int file_header_offset = 0;
868 // ELF structure sizes.
870 template<int size>
871 struct Elf_sizes
873 // Size of ELF file header.
874 static const int ehdr_size = sizeof(internal::Ehdr_data<size>);
875 // Size of ELF segment header.
876 static const int phdr_size = sizeof(internal::Phdr_data<size>);
877 // Size of ELF section header.
878 static const int shdr_size = sizeof(internal::Shdr_data<size>);
879 // Size of ELF symbol table entry.
880 static const int sym_size = sizeof(internal::Sym_data<size>);
881 // Sizes of ELF reloc entries.
882 static const int rel_size = sizeof(internal::Rel_data<size>);
883 static const int rela_size = sizeof(internal::Rela_data<size>);
884 // Size of ELF dynamic entry.
885 static const int dyn_size = sizeof(internal::Dyn_data<size>);
886 // Size of ELF version structures.
887 static const int verdef_size = sizeof(internal::Verdef_data);
888 static const int verdaux_size = sizeof(internal::Verdaux_data);
889 static const int verneed_size = sizeof(internal::Verneed_data);
890 static const int vernaux_size = sizeof(internal::Vernaux_data);
893 // Accessor class for the ELF file header.
895 template<int size, bool big_endian>
896 class Ehdr
898 public:
899 Ehdr(const unsigned char* p)
900 : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(p))
903 template<typename File>
904 Ehdr(File* file, typename File::Location loc)
905 : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(
906 file->view(loc.file_offset, loc.data_size).data()))
909 const unsigned char*
910 get_e_ident() const
911 { return this->p_->e_ident; }
913 Elf_Half
914 get_e_type() const
915 { return Convert<16, big_endian>::convert_host(this->p_->e_type); }
917 Elf_Half
918 get_e_machine() const
919 { return Convert<16, big_endian>::convert_host(this->p_->e_machine); }
921 Elf_Word
922 get_e_version() const
923 { return Convert<32, big_endian>::convert_host(this->p_->e_version); }
925 typename Elf_types<size>::Elf_Addr
926 get_e_entry() const
927 { return Convert<size, big_endian>::convert_host(this->p_->e_entry); }
929 typename Elf_types<size>::Elf_Off
930 get_e_phoff() const
931 { return Convert<size, big_endian>::convert_host(this->p_->e_phoff); }
933 typename Elf_types<size>::Elf_Off
934 get_e_shoff() const
935 { return Convert<size, big_endian>::convert_host(this->p_->e_shoff); }
937 Elf_Word
938 get_e_flags() const
939 { return Convert<32, big_endian>::convert_host(this->p_->e_flags); }
941 Elf_Half
942 get_e_ehsize() const
943 { return Convert<16, big_endian>::convert_host(this->p_->e_ehsize); }
945 Elf_Half
946 get_e_phentsize() const
947 { return Convert<16, big_endian>::convert_host(this->p_->e_phentsize); }
949 Elf_Half
950 get_e_phnum() const
951 { return Convert<16, big_endian>::convert_host(this->p_->e_phnum); }
953 Elf_Half
954 get_e_shentsize() const
955 { return Convert<16, big_endian>::convert_host(this->p_->e_shentsize); }
957 Elf_Half
958 get_e_shnum() const
959 { return Convert<16, big_endian>::convert_host(this->p_->e_shnum); }
961 Elf_Half
962 get_e_shstrndx() const
963 { return Convert<16, big_endian>::convert_host(this->p_->e_shstrndx); }
965 private:
966 const internal::Ehdr_data<size>* p_;
969 // Write class for the ELF file header.
971 template<int size, bool big_endian>
972 class Ehdr_write
974 public:
975 Ehdr_write(unsigned char* p)
976 : p_(reinterpret_cast<internal::Ehdr_data<size>*>(p))
979 void
980 put_e_ident(const unsigned char v[EI_NIDENT]) const
981 { memcpy(this->p_->e_ident, v, EI_NIDENT); }
983 void
984 put_e_type(Elf_Half v)
985 { this->p_->e_type = Convert<16, big_endian>::convert_host(v); }
987 void
988 put_e_machine(Elf_Half v)
989 { this->p_->e_machine = Convert<16, big_endian>::convert_host(v); }
991 void
992 put_e_version(Elf_Word v)
993 { this->p_->e_version = Convert<32, big_endian>::convert_host(v); }
995 void
996 put_e_entry(typename Elf_types<size>::Elf_Addr v)
997 { this->p_->e_entry = Convert<size, big_endian>::convert_host(v); }
999 void
1000 put_e_phoff(typename Elf_types<size>::Elf_Off v)
1001 { this->p_->e_phoff = Convert<size, big_endian>::convert_host(v); }
1003 void
1004 put_e_shoff(typename Elf_types<size>::Elf_Off v)
1005 { this->p_->e_shoff = Convert<size, big_endian>::convert_host(v); }
1007 void
1008 put_e_flags(Elf_Word v)
1009 { this->p_->e_flags = Convert<32, big_endian>::convert_host(v); }
1011 void
1012 put_e_ehsize(Elf_Half v)
1013 { this->p_->e_ehsize = Convert<16, big_endian>::convert_host(v); }
1015 void
1016 put_e_phentsize(Elf_Half v)
1017 { this->p_->e_phentsize = Convert<16, big_endian>::convert_host(v); }
1019 void
1020 put_e_phnum(Elf_Half v)
1021 { this->p_->e_phnum = Convert<16, big_endian>::convert_host(v); }
1023 void
1024 put_e_shentsize(Elf_Half v)
1025 { this->p_->e_shentsize = Convert<16, big_endian>::convert_host(v); }
1027 void
1028 put_e_shnum(Elf_Half v)
1029 { this->p_->e_shnum = Convert<16, big_endian>::convert_host(v); }
1031 void
1032 put_e_shstrndx(Elf_Half v)
1033 { this->p_->e_shstrndx = Convert<16, big_endian>::convert_host(v); }
1035 private:
1036 internal::Ehdr_data<size>* p_;
1039 // Accessor class for an ELF section header.
1041 template<int size, bool big_endian>
1042 class Shdr
1044 public:
1045 Shdr(const unsigned char* p)
1046 : p_(reinterpret_cast<const internal::Shdr_data<size>*>(p))
1049 template<typename File>
1050 Shdr(File* file, typename File::Location loc)
1051 : p_(reinterpret_cast<const internal::Shdr_data<size>*>(
1052 file->view(loc.file_offset, loc.data_size).data()))
1055 Elf_Word
1056 get_sh_name() const
1057 { return Convert<32, big_endian>::convert_host(this->p_->sh_name); }
1059 Elf_Word
1060 get_sh_type() const
1061 { return Convert<32, big_endian>::convert_host(this->p_->sh_type); }
1063 typename Elf_types<size>::Elf_WXword
1064 get_sh_flags() const
1065 { return Convert<size, big_endian>::convert_host(this->p_->sh_flags); }
1067 typename Elf_types<size>::Elf_Addr
1068 get_sh_addr() const
1069 { return Convert<size, big_endian>::convert_host(this->p_->sh_addr); }
1071 typename Elf_types<size>::Elf_Off
1072 get_sh_offset() const
1073 { return Convert<size, big_endian>::convert_host(this->p_->sh_offset); }
1075 typename Elf_types<size>::Elf_WXword
1076 get_sh_size() const
1077 { return Convert<size, big_endian>::convert_host(this->p_->sh_size); }
1079 Elf_Word
1080 get_sh_link() const
1081 { return Convert<32, big_endian>::convert_host(this->p_->sh_link); }
1083 Elf_Word
1084 get_sh_info() const
1085 { return Convert<32, big_endian>::convert_host(this->p_->sh_info); }
1087 typename Elf_types<size>::Elf_WXword
1088 get_sh_addralign() const
1089 { return
1090 Convert<size, big_endian>::convert_host(this->p_->sh_addralign); }
1092 typename Elf_types<size>::Elf_WXword
1093 get_sh_entsize() const
1094 { return Convert<size, big_endian>::convert_host(this->p_->sh_entsize); }
1096 private:
1097 const internal::Shdr_data<size>* p_;
1100 // Write class for an ELF section header.
1102 template<int size, bool big_endian>
1103 class Shdr_write
1105 public:
1106 Shdr_write(unsigned char* p)
1107 : p_(reinterpret_cast<internal::Shdr_data<size>*>(p))
1110 void
1111 put_sh_name(Elf_Word v)
1112 { this->p_->sh_name = Convert<32, big_endian>::convert_host(v); }
1114 void
1115 put_sh_type(Elf_Word v)
1116 { this->p_->sh_type = Convert<32, big_endian>::convert_host(v); }
1118 void
1119 put_sh_flags(typename Elf_types<size>::Elf_WXword v)
1120 { this->p_->sh_flags = Convert<size, big_endian>::convert_host(v); }
1122 void
1123 put_sh_addr(typename Elf_types<size>::Elf_Addr v)
1124 { this->p_->sh_addr = Convert<size, big_endian>::convert_host(v); }
1126 void
1127 put_sh_offset(typename Elf_types<size>::Elf_Off v)
1128 { this->p_->sh_offset = Convert<size, big_endian>::convert_host(v); }
1130 void
1131 put_sh_size(typename Elf_types<size>::Elf_WXword v)
1132 { this->p_->sh_size = Convert<size, big_endian>::convert_host(v); }
1134 void
1135 put_sh_link(Elf_Word v)
1136 { this->p_->sh_link = Convert<32, big_endian>::convert_host(v); }
1138 void
1139 put_sh_info(Elf_Word v)
1140 { this->p_->sh_info = Convert<32, big_endian>::convert_host(v); }
1142 void
1143 put_sh_addralign(typename Elf_types<size>::Elf_WXword v)
1144 { this->p_->sh_addralign = Convert<size, big_endian>::convert_host(v); }
1146 void
1147 put_sh_entsize(typename Elf_types<size>::Elf_WXword v)
1148 { this->p_->sh_entsize = Convert<size, big_endian>::convert_host(v); }
1150 private:
1151 internal::Shdr_data<size>* p_;
1154 // Accessor class for an ELF segment header.
1156 template<int size, bool big_endian>
1157 class Phdr
1159 public:
1160 Phdr(const unsigned char* p)
1161 : p_(reinterpret_cast<const internal::Phdr_data<size>*>(p))
1164 template<typename File>
1165 Phdr(File* file, typename File::Location loc)
1166 : p_(reinterpret_cast<internal::Phdr_data<size>*>(
1167 file->view(loc.file_offset, loc.data_size).data()))
1170 Elf_Word
1171 get_p_type() const
1172 { return Convert<32, big_endian>::convert_host(this->p_->p_type); }
1174 typename Elf_types<size>::Elf_Off
1175 get_p_offset() const
1176 { return Convert<size, big_endian>::convert_host(this->p_->p_offset); }
1178 typename Elf_types<size>::Elf_Addr
1179 get_p_vaddr() const
1180 { return Convert<size, big_endian>::convert_host(this->p_->p_vaddr); }
1182 typename Elf_types<size>::Elf_Addr
1183 get_p_paddr() const
1184 { return Convert<size, big_endian>::convert_host(this->p_->p_paddr); }
1186 typename Elf_types<size>::Elf_WXword
1187 get_p_filesz() const
1188 { return Convert<size, big_endian>::convert_host(this->p_->p_filesz); }
1190 typename Elf_types<size>::Elf_WXword
1191 get_p_memsz() const
1192 { return Convert<size, big_endian>::convert_host(this->p_->p_memsz); }
1194 Elf_Word
1195 get_p_flags() const
1196 { return Convert<32, big_endian>::convert_host(this->p_->p_flags); }
1198 typename Elf_types<size>::Elf_WXword
1199 get_p_align() const
1200 { return Convert<size, big_endian>::convert_host(this->p_->p_align); }
1202 private:
1203 const internal::Phdr_data<size>* p_;
1206 // Write class for an ELF segment header.
1208 template<int size, bool big_endian>
1209 class Phdr_write
1211 public:
1212 Phdr_write(unsigned char* p)
1213 : p_(reinterpret_cast<internal::Phdr_data<size>*>(p))
1216 void
1217 put_p_type(Elf_Word v)
1218 { this->p_->p_type = Convert<32, big_endian>::convert_host(v); }
1220 void
1221 put_p_offset(typename Elf_types<size>::Elf_Off v)
1222 { this->p_->p_offset = Convert<size, big_endian>::convert_host(v); }
1224 void
1225 put_p_vaddr(typename Elf_types<size>::Elf_Addr v)
1226 { this->p_->p_vaddr = Convert<size, big_endian>::convert_host(v); }
1228 void
1229 put_p_paddr(typename Elf_types<size>::Elf_Addr v)
1230 { this->p_->p_paddr = Convert<size, big_endian>::convert_host(v); }
1232 void
1233 put_p_filesz(typename Elf_types<size>::Elf_WXword v)
1234 { this->p_->p_filesz = Convert<size, big_endian>::convert_host(v); }
1236 void
1237 put_p_memsz(typename Elf_types<size>::Elf_WXword v)
1238 { this->p_->p_memsz = Convert<size, big_endian>::convert_host(v); }
1240 void
1241 put_p_flags(Elf_Word v)
1242 { this->p_->p_flags = Convert<32, big_endian>::convert_host(v); }
1244 void
1245 put_p_align(typename Elf_types<size>::Elf_WXword v)
1246 { this->p_->p_align = Convert<size, big_endian>::convert_host(v); }
1248 private:
1249 internal::Phdr_data<size>* p_;
1252 // Accessor class for an ELF symbol table entry.
1254 template<int size, bool big_endian>
1255 class Sym
1257 public:
1258 Sym(const unsigned char* p)
1259 : p_(reinterpret_cast<const internal::Sym_data<size>*>(p))
1262 template<typename File>
1263 Sym(File* file, typename File::Location loc)
1264 : p_(reinterpret_cast<const internal::Sym_data<size>*>(
1265 file->view(loc.file_offset, loc.data_size).data()))
1268 Elf_Word
1269 get_st_name() const
1270 { return Convert<32, big_endian>::convert_host(this->p_->st_name); }
1272 typename Elf_types<size>::Elf_Addr
1273 get_st_value() const
1274 { return Convert<size, big_endian>::convert_host(this->p_->st_value); }
1276 typename Elf_types<size>::Elf_WXword
1277 get_st_size() const
1278 { return Convert<size, big_endian>::convert_host(this->p_->st_size); }
1280 unsigned char
1281 get_st_info() const
1282 { return this->p_->st_info; }
1285 get_st_bind() const
1286 { return elf_st_bind(this->get_st_info()); }
1289 get_st_type() const
1290 { return elf_st_type(this->get_st_info()); }
1292 unsigned char
1293 get_st_other() const
1294 { return this->p_->st_other; }
1297 get_st_visibility() const
1298 { return elf_st_visibility(this->get_st_other()); }
1300 unsigned char
1301 get_st_nonvis() const
1302 { return elf_st_nonvis(this->get_st_other()); }
1304 Elf_Half
1305 get_st_shndx() const
1306 { return Convert<16, big_endian>::convert_host(this->p_->st_shndx); }
1308 private:
1309 const internal::Sym_data<size>* p_;
1312 // Writer class for an ELF symbol table entry.
1314 template<int size, bool big_endian>
1315 class Sym_write
1317 public:
1318 Sym_write(unsigned char* p)
1319 : p_(reinterpret_cast<internal::Sym_data<size>*>(p))
1322 void
1323 put_st_name(Elf_Word v)
1324 { this->p_->st_name = Convert<32, big_endian>::convert_host(v); }
1326 void
1327 put_st_value(typename Elf_types<size>::Elf_Addr v)
1328 { this->p_->st_value = Convert<size, big_endian>::convert_host(v); }
1330 void
1331 put_st_size(typename Elf_types<size>::Elf_WXword v)
1332 { this->p_->st_size = Convert<size, big_endian>::convert_host(v); }
1334 void
1335 put_st_info(unsigned char v)
1336 { this->p_->st_info = v; }
1338 void
1339 put_st_info(STB bind, STT type)
1340 { this->p_->st_info = elf_st_info(bind, type); }
1342 void
1343 put_st_other(unsigned char v)
1344 { this->p_->st_other = v; }
1346 void
1347 put_st_other(STV vis, unsigned char nonvis)
1348 { this->p_->st_other = elf_st_other(vis, nonvis); }
1350 void
1351 put_st_shndx(Elf_Half v)
1352 { this->p_->st_shndx = Convert<16, big_endian>::convert_host(v); }
1354 Sym<size, big_endian>
1355 sym()
1356 { return Sym<size, big_endian>(reinterpret_cast<unsigned char*>(this->p_)); }
1358 private:
1359 internal::Sym_data<size>* p_;
1362 // Accessor classes for an ELF REL relocation entry.
1364 template<int size, bool big_endian>
1365 class Rel
1367 public:
1368 Rel(const unsigned char* p)
1369 : p_(reinterpret_cast<const internal::Rel_data<size>*>(p))
1372 template<typename File>
1373 Rel(File* file, typename File::Location loc)
1374 : p_(reinterpret_cast<const internal::Rel_data<size>*>(
1375 file->view(loc.file_offset, loc.data_size).data()))
1378 typename Elf_types<size>::Elf_Addr
1379 get_r_offset() const
1380 { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1382 typename Elf_types<size>::Elf_WXword
1383 get_r_info() const
1384 { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1386 private:
1387 const internal::Rel_data<size>* p_;
1390 // Writer class for an ELF Rel relocation.
1392 template<int size, bool big_endian>
1393 class Rel_write
1395 public:
1396 Rel_write(unsigned char* p)
1397 : p_(reinterpret_cast<internal::Rel_data<size>*>(p))
1400 void
1401 put_r_offset(typename Elf_types<size>::Elf_Addr v)
1402 { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1404 void
1405 put_r_info(typename Elf_types<size>::Elf_WXword v)
1406 { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1408 private:
1409 internal::Rel_data<size>* p_;
1412 // Accessor class for an ELF Rela relocation.
1414 template<int size, bool big_endian>
1415 class Rela
1417 public:
1418 Rela(const unsigned char* p)
1419 : p_(reinterpret_cast<const internal::Rela_data<size>*>(p))
1422 template<typename File>
1423 Rela(File* file, typename File::Location loc)
1424 : p_(reinterpret_cast<const internal::Rela_data<size>*>(
1425 file->view(loc.file_offset, loc.data_size).data()))
1428 typename Elf_types<size>::Elf_Addr
1429 get_r_offset() const
1430 { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1432 typename Elf_types<size>::Elf_WXword
1433 get_r_info() const
1434 { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1436 typename Elf_types<size>::Elf_Swxword
1437 get_r_addend() const
1438 { return Convert<size, big_endian>::convert_host(this->p_->r_addend); }
1440 private:
1441 const internal::Rela_data<size>* p_;
1444 // Writer class for an ELF Rela relocation.
1446 template<int size, bool big_endian>
1447 class Rela_write
1449 public:
1450 Rela_write(unsigned char* p)
1451 : p_(reinterpret_cast<internal::Rela_data<size>*>(p))
1454 void
1455 put_r_offset(typename Elf_types<size>::Elf_Addr v)
1456 { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1458 void
1459 put_r_info(typename Elf_types<size>::Elf_WXword v)
1460 { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1462 void
1463 put_r_addend(typename Elf_types<size>::Elf_Swxword v)
1464 { this->p_->r_addend = Convert<size, big_endian>::convert_host(v); }
1466 private:
1467 internal::Rela_data<size>* p_;
1470 // Accessor classes for entries in the ELF SHT_DYNAMIC section aka
1471 // PT_DYNAMIC segment.
1473 template<int size, bool big_endian>
1474 class Dyn
1476 public:
1477 Dyn(const unsigned char* p)
1478 : p_(reinterpret_cast<const internal::Dyn_data<size>*>(p))
1481 template<typename File>
1482 Dyn(File* file, typename File::Location loc)
1483 : p_(reinterpret_cast<const internal::Dyn_data<size>*>(
1484 file->view(loc.file_offset, loc.data_size).data()))
1487 typename Elf_types<size>::Elf_Swxword
1488 get_d_tag() const
1489 { return Convert<size, big_endian>::convert_host(this->p_->d_tag); }
1491 typename Elf_types<size>::Elf_WXword
1492 get_d_val() const
1493 { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1495 typename Elf_types<size>::Elf_Addr
1496 get_d_ptr() const
1497 { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1499 private:
1500 const internal::Dyn_data<size>* p_;
1503 // Write class for an entry in the SHT_DYNAMIC section.
1505 template<int size, bool big_endian>
1506 class Dyn_write
1508 public:
1509 Dyn_write(unsigned char* p)
1510 : p_(reinterpret_cast<internal::Dyn_data<size>*>(p))
1513 void
1514 put_d_tag(typename Elf_types<size>::Elf_Swxword v)
1515 { this->p_->d_tag = Convert<size, big_endian>::convert_host(v); }
1517 void
1518 put_d_val(typename Elf_types<size>::Elf_WXword v)
1519 { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1521 void
1522 put_d_ptr(typename Elf_types<size>::Elf_Addr v)
1523 { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1525 private:
1526 internal::Dyn_data<size>* p_;
1529 // Accessor classes for entries in the ELF SHT_GNU_verdef section.
1531 template<int size, bool big_endian>
1532 class Verdef
1534 public:
1535 Verdef(const unsigned char* p)
1536 : p_(reinterpret_cast<const internal::Verdef_data*>(p))
1539 template<typename File>
1540 Verdef(File* file, typename File::Location loc)
1541 : p_(reinterpret_cast<const internal::Verdef_data*>(
1542 file->view(loc.file_offset, loc.data_size).data()))
1545 Elf_Half
1546 get_vd_version() const
1547 { return Convert<16, big_endian>::convert_host(this->p_->vd_version); }
1549 Elf_Half
1550 get_vd_flags() const
1551 { return Convert<16, big_endian>::convert_host(this->p_->vd_flags); }
1553 Elf_Half
1554 get_vd_ndx() const
1555 { return Convert<16, big_endian>::convert_host(this->p_->vd_ndx); }
1557 Elf_Half
1558 get_vd_cnt() const
1559 { return Convert<16, big_endian>::convert_host(this->p_->vd_cnt); }
1561 Elf_Word
1562 get_vd_hash() const
1563 { return Convert<32, big_endian>::convert_host(this->p_->vd_hash); }
1565 Elf_Word
1566 get_vd_aux() const
1567 { return Convert<32, big_endian>::convert_host(this->p_->vd_aux); }
1569 Elf_Word
1570 get_vd_next() const
1571 { return Convert<32, big_endian>::convert_host(this->p_->vd_next); }
1573 private:
1574 const internal::Verdef_data* p_;
1577 template<int size, bool big_endian>
1578 class Verdef_write
1580 public:
1581 Verdef_write(unsigned char* p)
1582 : p_(reinterpret_cast<internal::Verdef_data*>(p))
1585 void
1586 set_vd_version(Elf_Half v)
1587 { this->p_->vd_version = Convert<16, big_endian>::convert_host(v); }
1589 void
1590 set_vd_flags(Elf_Half v)
1591 { this->p_->vd_flags = Convert<16, big_endian>::convert_host(v); }
1593 void
1594 set_vd_ndx(Elf_Half v)
1595 { this->p_->vd_ndx = Convert<16, big_endian>::convert_host(v); }
1597 void
1598 set_vd_cnt(Elf_Half v)
1599 { this->p_->vd_cnt = Convert<16, big_endian>::convert_host(v); }
1601 void
1602 set_vd_hash(Elf_Word v)
1603 { this->p_->vd_hash = Convert<32, big_endian>::convert_host(v); }
1605 void
1606 set_vd_aux(Elf_Word v)
1607 { this->p_->vd_aux = Convert<32, big_endian>::convert_host(v); }
1609 void
1610 set_vd_next(Elf_Word v)
1611 { this->p_->vd_next = Convert<32, big_endian>::convert_host(v); }
1613 private:
1614 internal::Verdef_data* p_;
1617 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef
1618 // section.
1620 template<int size, bool big_endian>
1621 class Verdaux
1623 public:
1624 Verdaux(const unsigned char* p)
1625 : p_(reinterpret_cast<const internal::Verdaux_data*>(p))
1628 template<typename File>
1629 Verdaux(File* file, typename File::Location loc)
1630 : p_(reinterpret_cast<const internal::Verdaux_data*>(
1631 file->view(loc.file_offset, loc.data_size).data()))
1634 Elf_Word
1635 get_vda_name() const
1636 { return Convert<32, big_endian>::convert_host(this->p_->vda_name); }
1638 Elf_Word
1639 get_vda_next() const
1640 { return Convert<32, big_endian>::convert_host(this->p_->vda_next); }
1642 private:
1643 const internal::Verdaux_data* p_;
1646 template<int size, bool big_endian>
1647 class Verdaux_write
1649 public:
1650 Verdaux_write(unsigned char* p)
1651 : p_(reinterpret_cast<internal::Verdaux_data*>(p))
1654 void
1655 set_vda_name(Elf_Word v)
1656 { this->p_->vda_name = Convert<32, big_endian>::convert_host(v); }
1658 void
1659 set_vda_next(Elf_Word v)
1660 { this->p_->vda_next = Convert<32, big_endian>::convert_host(v); }
1662 private:
1663 internal::Verdaux_data* p_;
1666 // Accessor classes for entries in the ELF SHT_GNU_verneed section.
1668 template<int size, bool big_endian>
1669 class Verneed
1671 public:
1672 Verneed(const unsigned char* p)
1673 : p_(reinterpret_cast<const internal::Verneed_data*>(p))
1676 template<typename File>
1677 Verneed(File* file, typename File::Location loc)
1678 : p_(reinterpret_cast<const internal::Verneed_data*>(
1679 file->view(loc.file_offset, loc.data_size).data()))
1682 Elf_Half
1683 get_vn_version() const
1684 { return Convert<16, big_endian>::convert_host(this->p_->vn_version); }
1686 Elf_Half
1687 get_vn_cnt() const
1688 { return Convert<16, big_endian>::convert_host(this->p_->vn_cnt); }
1690 Elf_Word
1691 get_vn_file() const
1692 { return Convert<32, big_endian>::convert_host(this->p_->vn_file); }
1694 Elf_Word
1695 get_vn_aux() const
1696 { return Convert<32, big_endian>::convert_host(this->p_->vn_aux); }
1698 Elf_Word
1699 get_vn_next() const
1700 { return Convert<32, big_endian>::convert_host(this->p_->vn_next); }
1702 private:
1703 const internal::Verneed_data* p_;
1706 template<int size, bool big_endian>
1707 class Verneed_write
1709 public:
1710 Verneed_write(unsigned char* p)
1711 : p_(reinterpret_cast<internal::Verneed_data*>(p))
1714 void
1715 set_vn_version(Elf_Half v)
1716 { this->p_->vn_version = Convert<16, big_endian>::convert_host(v); }
1718 void
1719 set_vn_cnt(Elf_Half v)
1720 { this->p_->vn_cnt = Convert<16, big_endian>::convert_host(v); }
1722 void
1723 set_vn_file(Elf_Word v)
1724 { this->p_->vn_file = Convert<32, big_endian>::convert_host(v); }
1726 void
1727 set_vn_aux(Elf_Word v)
1728 { this->p_->vn_aux = Convert<32, big_endian>::convert_host(v); }
1730 void
1731 set_vn_next(Elf_Word v)
1732 { this->p_->vn_next = Convert<32, big_endian>::convert_host(v); }
1734 private:
1735 internal::Verneed_data* p_;
1738 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed
1739 // section.
1741 template<int size, bool big_endian>
1742 class Vernaux
1744 public:
1745 Vernaux(const unsigned char* p)
1746 : p_(reinterpret_cast<const internal::Vernaux_data*>(p))
1749 template<typename File>
1750 Vernaux(File* file, typename File::Location loc)
1751 : p_(reinterpret_cast<const internal::Vernaux_data*>(
1752 file->view(loc.file_offset, loc.data_size).data()))
1755 Elf_Word
1756 get_vna_hash() const
1757 { return Convert<32, big_endian>::convert_host(this->p_->vna_hash); }
1759 Elf_Half
1760 get_vna_flags() const
1761 { return Convert<16, big_endian>::convert_host(this->p_->vna_flags); }
1763 Elf_Half
1764 get_vna_other() const
1765 { return Convert<16, big_endian>::convert_host(this->p_->vna_other); }
1767 Elf_Word
1768 get_vna_name() const
1769 { return Convert<32, big_endian>::convert_host(this->p_->vna_name); }
1771 Elf_Word
1772 get_vna_next() const
1773 { return Convert<32, big_endian>::convert_host(this->p_->vna_next); }
1775 private:
1776 const internal::Vernaux_data* p_;
1779 template<int size, bool big_endian>
1780 class Vernaux_write
1782 public:
1783 Vernaux_write(unsigned char* p)
1784 : p_(reinterpret_cast<internal::Vernaux_data*>(p))
1787 void
1788 set_vna_hash(Elf_Word v)
1789 { this->p_->vna_hash = Convert<32, big_endian>::convert_host(v); }
1791 void
1792 set_vna_flags(Elf_Half v)
1793 { this->p_->vna_flags = Convert<16, big_endian>::convert_host(v); }
1795 void
1796 set_vna_other(Elf_Half v)
1797 { this->p_->vna_other = Convert<16, big_endian>::convert_host(v); }
1799 void
1800 set_vna_name(Elf_Word v)
1801 { this->p_->vna_name = Convert<32, big_endian>::convert_host(v); }
1803 void
1804 set_vna_next(Elf_Word v)
1805 { this->p_->vna_next = Convert<32, big_endian>::convert_host(v); }
1807 private:
1808 internal::Vernaux_data* p_;
1811 } // End namespace elfcpp.
1813 #endif // !defined(ELFPCP_H)