1// elfcpp.h -- main header file for elfcpp -*- C++ -*- 2 3// Copyright 2006, 2007, 2008, 2009, 2010 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 41namespace elfcpp 42{ 43 44// Basic ELF types. 45 46// These types are always the same size. 47 48typedef uint16_t Elf_Half; 49typedef uint32_t Elf_Word; 50typedef int32_t Elf_Sword; 51typedef uint64_t Elf_Xword; 52typedef 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 57template<int size> 58struct Elf_types; 59 60template<> 61struct 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 69template<> 70struct 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 80const int EI_MAG0 = 0; 81const int EI_MAG1 = 1; 82const int EI_MAG2 = 2; 83const int EI_MAG3 = 3; 84const int EI_CLASS = 4; 85const int EI_DATA = 5; 86const int EI_VERSION = 6; 87const int EI_OSABI = 7; 88const int EI_ABIVERSION = 8; 89const int EI_PAD = 9; 90const int EI_NIDENT = 16; 91 92// The valid values found in Ehdr e_ident[EI_MAG0 through EI_MAG3]. 93 94const int ELFMAG0 = 0x7f; 95const int ELFMAG1 = 'E'; 96const int ELFMAG2 = 'L'; 97const int ELFMAG3 = 'F'; 98 99// The valid values found in Ehdr e_ident[EI_CLASS]. 100 101enum 102{ 103 ELFCLASSNONE = 0, 104 ELFCLASS32 = 1, 105 ELFCLASS64 = 2 106}; 107 108// The valid values found in Ehdr e_ident[EI_DATA]. 109 110enum 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 119enum 120{ 121 EV_NONE = 0, 122 EV_CURRENT = 1 123}; 124 125// The valid values found in Ehdr e_ident[EI_OSABI]. 126 127enum ELFOSABI 128{ 129 ELFOSABI_NONE = 0, 130 ELFOSABI_HPUX = 1, 131 ELFOSABI_NETBSD = 2, 132 // ELFOSABI_LINUX is not listed in the ELF standard. 133 ELFOSABI_LINUX = 3, 134 // ELFOSABI_HURD is not listed in the ELF standard. 135 ELFOSABI_HURD = 4, 136 ELFOSABI_SOLARIS = 6, 137 ELFOSABI_AIX = 7, 138 ELFOSABI_IRIX = 8, 139 ELFOSABI_FREEBSD = 9, 140 ELFOSABI_TRU64 = 10, 141 ELFOSABI_MODESTO = 11, 142 ELFOSABI_OPENBSD = 12, 143 ELFOSABI_OPENVMS = 13, 144 ELFOSABI_NSK = 14, 145 ELFOSABI_AROS = 15, 146 // A GNU extension for the ARM. 147 ELFOSABI_ARM = 97, 148 // A GNU extension for the MSP. 149 ELFOSABI_STANDALONE = 255 150}; 151 152// The valid values found in the Ehdr e_type field. 153 154enum ET 155{ 156 ET_NONE = 0, 157 ET_REL = 1, 158 ET_EXEC = 2, 159 ET_DYN = 3, 160 ET_CORE = 4, 161 ET_LOOS = 0xfe00, 162 ET_HIOS = 0xfeff, 163 ET_LOPROC = 0xff00, 164 ET_HIPROC = 0xffff 165}; 166 167// The valid values found in the Ehdr e_machine field. 168 169enum EM 170{ 171 EM_NONE = 0, 172 EM_M32 = 1, 173 EM_SPARC = 2, 174 EM_386 = 3, 175 EM_68K = 4, 176 EM_88K = 5, 177 // 6 used to be EM_486 178 EM_860 = 7, 179 EM_MIPS = 8, 180 EM_S370 = 9, 181 EM_MIPS_RS3_LE = 10, 182 // 11 was the old Sparc V9 ABI. 183 // 12 through 14 are reserved. 184 EM_PARISC = 15, 185 // 16 is reserved. 186 // Some old PowerPC object files use 17. 187 EM_VPP500 = 17, 188 EM_SPARC32PLUS = 18, 189 EM_960 = 19, 190 EM_PPC = 20, 191 EM_PPC64 = 21, 192 EM_S390 = 22, 193 // 23 through 35 are served. 194 EM_V800 = 36, 195 EM_FR20 = 37, 196 EM_RH32 = 38, 197 EM_RCE = 39, 198 EM_ARM = 40, 199 EM_ALPHA = 41, 200 EM_SH = 42, 201 EM_SPARCV9 = 43, 202 EM_TRICORE = 44, 203 EM_ARC = 45, 204 EM_H8_300 = 46, 205 EM_H8_300H = 47, 206 EM_H8S = 48, 207 EM_H8_500 = 49, 208 EM_IA_64 = 50, 209 EM_MIPS_X = 51, 210 EM_COLDFIRE = 52, 211 EM_68HC12 = 53, 212 EM_MMA = 54, 213 EM_PCP = 55, 214 EM_NCPU = 56, 215 EM_NDR1 = 57, 216 EM_STARCORE = 58, 217 EM_ME16 = 59, 218 EM_ST100 = 60, 219 EM_TINYJ = 61, 220 EM_X86_64 = 62, 221 EM_PDSP = 63, 222 EM_PDP10 = 64, 223 EM_PDP11 = 65, 224 EM_FX66 = 66, 225 EM_ST9PLUS = 67, 226 EM_ST7 = 68, 227 EM_68HC16 = 69, 228 EM_68HC11 = 70, 229 EM_68HC08 = 71, 230 EM_68HC05 = 72, 231 EM_SVX = 73, 232 EM_ST19 = 74, 233 EM_VAX = 75, 234 EM_CRIS = 76, 235 EM_JAVELIN = 77, 236 EM_FIREPATH = 78, 237 EM_ZSP = 79, 238 EM_MMIX = 80, 239 EM_HUANY = 81, 240 EM_PRISM = 82, 241 EM_AVR = 83, 242 EM_FR30 = 84, 243 EM_D10V = 85, 244 EM_D30V = 86, 245 EM_V850 = 87, 246 EM_M32R = 88, 247 EM_MN10300 = 89, 248 EM_MN10200 = 90, 249 EM_PJ = 91, 250 EM_OPENRISC = 92, 251 EM_ARC_A5 = 93, 252 EM_XTENSA = 94, 253 EM_VIDEOCORE = 95, 254 EM_TMM_GPP = 96, 255 EM_NS32K = 97, 256 EM_TPC = 98, 257 // Some old picoJava object files use 99 (EM_PJ is correct). 258 EM_SNP1K = 99, 259 EM_ST200 = 100, 260 EM_IP2K = 101, 261 EM_MAX = 102, 262 EM_CR = 103, 263 EM_F2MC16 = 104, 264 EM_MSP430 = 105, 265 EM_BLACKFIN = 106, 266 EM_SE_C33 = 107, 267 EM_SEP = 108, 268 EM_ARCA = 109, 269 EM_UNICORE = 110, 270 EM_ALTERA_NIOS2 = 113, 271 EM_CRX = 114, 272 // The Morph MT. 273 EM_MT = 0x2530, 274 // DLX. 275 EM_DLX = 0x5aa5, 276 // FRV. 277 EM_FRV = 0x5441, 278 // Infineon Technologies 16-bit microcontroller with C166-V2 core. 279 EM_X16X = 0x4688, 280 // Xstorym16 281 EM_XSTORMY16 = 0xad45, 282 // Renesas M32C 283 EM_M32C = 0xfeb0, 284 // Vitesse IQ2000 285 EM_IQ2000 = 0xfeba, 286 // NIOS 287 EM_NIOS32 = 0xfebb 288 // Old AVR objects used 0x1057 (EM_AVR is correct). 289 // Old MSP430 objects used 0x1059 (EM_MSP430 is correct). 290 // Old FR30 objects used 0x3330 (EM_FR30 is correct). 291 // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OPENRISC is correct). 292 // Old D10V objects used 0x7650 (EM_D10V is correct). 293 // Old D30V objects used 0x7676 (EM_D30V is correct). 294 // Old IP2X objects used 0x8217 (EM_IP2K is correct). 295 // Old PowerPC objects used 0x9025 (EM_PPC is correct). 296 // Old Alpha objects used 0x9026 (EM_ALPHA is correct). 297 // Old M32R objects used 0x9041 (EM_M32R is correct). 298 // Old V850 objects used 0x9080 (EM_V850 is correct). 299 // Old S/390 objects used 0xa390 (EM_S390 is correct). 300 // Old Xtensa objects used 0xabc7 (EM_XTENSA is correct). 301 // Old MN10300 objects used 0xbeef (EM_MN10300 is correct). 302 // Old MN10200 objects used 0xdead (EM_MN10200 is correct). 303}; 304 305// A special value found in the Ehdr e_phnum field. 306 307enum 308{ 309 // Number of program segments stored in sh_info field of first 310 // section headre. 311 PN_XNUM = 0xffff 312}; 313 314// Special section indices. 315 316enum 317{ 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, 328 329 // 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, 333 334 // x86_64 specific large common symbol. 335 SHN_X86_64_LCOMMON = 0xff02 336}; 337 338// The valid values found in the Shdr sh_type field. 339 340enum SHT 341{ 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, 386 387 SHT_SPARC_GOTDATA = 0x70000000, 388 389 // 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, 399 400 // x86_64 unwind information. 401 SHT_X86_64_UNWIND = 0x70000001, 402 403 // 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 406}; 407 408// The valid bit flags found in the Shdr sh_flags field. 409 410enum SHF 411{ 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, 424 425 // 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, 436 437 // x86_64 specific large section. 438 SHF_X86_64_LARGE = 0x10000000 439}; 440 441// Bit flags which appear in the first 32-bit word of the section data 442// of a SHT_GROUP section. 443 444enum 445{ 446 GRP_COMDAT = 0x1, 447 GRP_MASKOS = 0x0ff00000, 448 GRP_MASKPROC = 0xf0000000 449}; 450 451// The valid values found in the Phdr p_type field. 452 453enum PT 454{ 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 479}; 480 481// The valid bit flags found in the Phdr p_flags field. 482 483enum PF 484{ 485 PF_X = 0x1, 486 PF_W = 0x2, 487 PF_R = 0x4, 488 PF_MASKOS = 0x0ff00000, 489 PF_MASKPROC = 0xf0000000 490}; 491 492// Symbol binding from Sym st_info field. 493 494enum STB 495{ 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 = 15 504}; 505 506// Symbol types from Sym st_info field. 507 508enum STT 509{ 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, 522 523 // The section type that must be used for register symbols on 524 // Sparc. These symbols initialize a global register. 525 STT_SPARC_REGISTER = 13, 526 527 // ARM: a THUMB function. This is not defined in ARM ELF Specification but 528 // used by the GNU tool-chain. 529 STT_ARM_TFUNC = 13 530}; 531 532inline STB 533elf_st_bind(unsigned char info) 534{ 535 return static_cast<STB>(info >> 4); 536} 537 538inline STT 539elf_st_type(unsigned char info) 540{ 541 return static_cast<STT>(info & 0xf); 542} 543 544inline unsigned char 545elf_st_info(STB bind, STT type) 546{ 547 return ((static_cast<unsigned char>(bind) << 4) 548 + (static_cast<unsigned char>(type) & 0xf)); 549} 550 551// Symbol visibility from Sym st_other field. 552 553enum STV 554{ 555 STV_DEFAULT = 0, 556 STV_INTERNAL = 1, 557 STV_HIDDEN = 2, 558 STV_PROTECTED = 3 559}; 560 561inline STV 562elf_st_visibility(unsigned char other) 563{ 564 return static_cast<STV>(other & 0x3); 565} 566 567inline unsigned char 568elf_st_nonvis(unsigned char other) 569{ 570 return static_cast<STV>(other >> 2); 571} 572 573inline unsigned char 574elf_st_other(STV vis, unsigned char nonvis) 575{ 576 return ((nonvis << 2) 577 + (static_cast<unsigned char>(vis) & 3)); 578} 579 580// Reloc information from Rel/Rela r_info field. 581 582template<int size> 583unsigned int 584elf_r_sym(typename Elf_types<size>::Elf_WXword); 585 586template<> 587inline unsigned int 588elf_r_sym<32>(Elf_Word v) 589{ 590 return v >> 8; 591} 592 593template<> 594inline unsigned int 595elf_r_sym<64>(Elf_Xword v) 596{ 597 return v >> 32; 598} 599 600template<int size> 601unsigned int 602elf_r_type(typename Elf_types<size>::Elf_WXword); 603 604template<> 605inline unsigned int 606elf_r_type<32>(Elf_Word v) 607{ 608 return v & 0xff; 609} 610 611template<> 612inline unsigned int 613elf_r_type<64>(Elf_Xword v) 614{ 615 return v & 0xffffffff; 616} 617 618template<int size> 619typename Elf_types<size>::Elf_WXword 620elf_r_info(unsigned int s, unsigned int t); 621 622template<> 623inline Elf_Word 624elf_r_info<32>(unsigned int s, unsigned int t) 625{ 626 return (s << 8) + (t & 0xff); 627} 628 629template<> 630inline Elf_Xword 631elf_r_info<64>(unsigned int s, unsigned int t) 632{ 633 return (static_cast<Elf_Xword>(s) << 32) + (t & 0xffffffff); 634} 635 636// Dynamic tags found in the PT_DYNAMIC segment. 637 638enum DT 639{ 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, 671 672 // This is used to mark a range of dynamic tags. It is not really 673 // a tag value. 674 DT_ENCODING = 32, 675 676 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, 682 683 // 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, 697 698 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, 711 712 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, 719 720 DT_VERSYM = 0x6ffffff0, 721 722 // Specify the value of _GLOBAL_OFFSET_TABLE_. 723 DT_PPC_GOT = 0x70000000, 724 725 // Specify the start of the .glink section. 726 DT_PPC64_GLINK = 0x70000000, 727 728 // Specify the start and size of the .opd section. 729 DT_PPC64_OPD = 0x70000001, 730 DT_PPC64_OPDSZ = 0x70000002, 731 732 // 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, 736 737 DT_AUXILIARY = 0x7ffffffd, 738 DT_USED = 0x7ffffffe, 739 DT_FILTER = 0x7fffffff 740}; 741 742// Flags found in the DT_FLAGS dynamic element. 743 744enum DF 745{ 746 DF_ORIGIN = 0x1, 747 DF_SYMBOLIC = 0x2, 748 DF_TEXTREL = 0x4, 749 DF_BIND_NOW = 0x8, 750 DF_STATIC_TLS = 0x10 751}; 752 753// Flags found in the DT_FLAGS_1 dynamic element. 754 755enum DF_1 756{ 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 771}; 772 773// Version numbers which appear in the vd_version field of a Verdef 774// structure. 775 776const int VER_DEF_NONE = 0; 777const int VER_DEF_CURRENT = 1; 778 779// Version numbers which appear in the vn_version field of a Verneed 780// structure. 781 782const int VER_NEED_NONE = 0; 783const int VER_NEED_CURRENT = 1; 784 785// Bit flags which appear in vd_flags of Verdef and vna_flags of 786// Vernaux. 787 788const int VER_FLG_BASE = 0x1; 789const int VER_FLG_WEAK = 0x2; 790const int VER_FLG_INFO = 0x4; 791 792// Special constants found in the SHT_GNU_versym entries. 793 794const int VER_NDX_LOCAL = 0; 795const int VER_NDX_GLOBAL = 1; 796 797// 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. 800 801const int VERSYM_HIDDEN = 0x8000; 802 803// This is the mask for the rest of the data in a word read from a 804// SHT_GNU_versym section. 805 806const int VERSYM_VERSION = 0x7fff; 807 808// Note descriptor type codes for notes in a non-core file with an 809// empty name. 810 811enum 812{ 813 // A version string. 814 NT_VERSION = 1, 815 // An architecture string. 816 NT_ARCH = 2 817}; 818 819// Note descriptor type codes for notes in a non-core file with the 820// name "GNU". 821 822enum 823{ 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 = 4 842}; 843 844// The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note. 845 846enum 847{ 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 = 5 854}; 855 856} // End namespace elfcpp. 857 858// Include internal details after defining the types. 859#include "elfcpp_internal.h" 860 861namespace elfcpp 862{ 863 864// The offset of the ELF file header in the ELF file. 865 866const int file_header_offset = 0; 867 868// ELF structure sizes. 869 870template<int size> 871struct Elf_sizes 872{ 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); 891}; 892 893// Accessor class for the ELF file header. 894 895template<int size, bool big_endian> 896class Ehdr 897{ 898 public: 899 Ehdr(const unsigned char* p) 900 : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(p)) 901 { } 902 903 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())) 907 { } 908 909 const unsigned char* 910 get_e_ident() const 911 { return this->p_->e_ident; } 912 913 Elf_Half 914 get_e_type() const 915 { return Convert<16, big_endian>::convert_host(this->p_->e_type); } 916 917 Elf_Half 918 get_e_machine() const 919 { return Convert<16, big_endian>::convert_host(this->p_->e_machine); } 920 921 Elf_Word 922 get_e_version() const 923 { return Convert<32, big_endian>::convert_host(this->p_->e_version); } 924 925 typename Elf_types<size>::Elf_Addr 926 get_e_entry() const 927 { return Convert<size, big_endian>::convert_host(this->p_->e_entry); } 928 929 typename Elf_types<size>::Elf_Off 930 get_e_phoff() const 931 { return Convert<size, big_endian>::convert_host(this->p_->e_phoff); } 932 933 typename Elf_types<size>::Elf_Off 934 get_e_shoff() const 935 { return Convert<size, big_endian>::convert_host(this->p_->e_shoff); } 936 937 Elf_Word 938 get_e_flags() const 939 { return Convert<32, big_endian>::convert_host(this->p_->e_flags); } 940 941 Elf_Half 942 get_e_ehsize() const 943 { return Convert<16, big_endian>::convert_host(this->p_->e_ehsize); } 944 945 Elf_Half 946 get_e_phentsize() const 947 { return Convert<16, big_endian>::convert_host(this->p_->e_phentsize); } 948 949 Elf_Half 950 get_e_phnum() const 951 { return Convert<16, big_endian>::convert_host(this->p_->e_phnum); } 952 953 Elf_Half 954 get_e_shentsize() const 955 { return Convert<16, big_endian>::convert_host(this->p_->e_shentsize); } 956 957 Elf_Half 958 get_e_shnum() const 959 { return Convert<16, big_endian>::convert_host(this->p_->e_shnum); } 960 961 Elf_Half 962 get_e_shstrndx() const 963 { return Convert<16, big_endian>::convert_host(this->p_->e_shstrndx); } 964 965 private: 966 const internal::Ehdr_data<size>* p_; 967}; 968 969// Write class for the ELF file header. 970 971template<int size, bool big_endian> 972class Ehdr_write 973{ 974 public: 975 Ehdr_write(unsigned char* p) 976 : p_(reinterpret_cast<internal::Ehdr_data<size>*>(p)) 977 { } 978 979 void 980 put_e_ident(const unsigned char v[EI_NIDENT]) const 981 { memcpy(this->p_->e_ident, v, EI_NIDENT); } 982 983 void 984 put_e_type(Elf_Half v) 985 { this->p_->e_type = Convert<16, big_endian>::convert_host(v); } 986 987 void 988 put_e_machine(Elf_Half v) 989 { this->p_->e_machine = Convert<16, big_endian>::convert_host(v); } 990 991 void 992 put_e_version(Elf_Word v) 993 { this->p_->e_version = Convert<32, big_endian>::convert_host(v); } 994 995 void 996 put_e_entry(typename Elf_types<size>::Elf_Addr v) 997 { this->p_->e_entry = Convert<size, big_endian>::convert_host(v); } 998 999 void 1000 put_e_phoff(typename Elf_types<size>::Elf_Off v) 1001 { this->p_->e_phoff = Convert<size, big_endian>::convert_host(v); } 1002 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); } 1006 1007 void 1008 put_e_flags(Elf_Word v) 1009 { this->p_->e_flags = Convert<32, big_endian>::convert_host(v); } 1010 1011 void 1012 put_e_ehsize(Elf_Half v) 1013 { this->p_->e_ehsize = Convert<16, big_endian>::convert_host(v); } 1014 1015 void 1016 put_e_phentsize(Elf_Half v) 1017 { this->p_->e_phentsize = Convert<16, big_endian>::convert_host(v); } 1018 1019 void 1020 put_e_phnum(Elf_Half v) 1021 { this->p_->e_phnum = Convert<16, big_endian>::convert_host(v); } 1022 1023 void 1024 put_e_shentsize(Elf_Half v) 1025 { this->p_->e_shentsize = Convert<16, big_endian>::convert_host(v); } 1026 1027 void 1028 put_e_shnum(Elf_Half v) 1029 { this->p_->e_shnum = Convert<16, big_endian>::convert_host(v); } 1030 1031 void 1032 put_e_shstrndx(Elf_Half v) 1033 { this->p_->e_shstrndx = Convert<16, big_endian>::convert_host(v); } 1034 1035 private: 1036 internal::Ehdr_data<size>* p_; 1037}; 1038 1039// Accessor class for an ELF section header. 1040 1041template<int size, bool big_endian> 1042class Shdr 1043{ 1044 public: 1045 Shdr(const unsigned char* p) 1046 : p_(reinterpret_cast<const internal::Shdr_data<size>*>(p)) 1047 { } 1048 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())) 1053 { } 1054 1055 Elf_Word 1056 get_sh_name() const 1057 { return Convert<32, big_endian>::convert_host(this->p_->sh_name); } 1058 1059 Elf_Word 1060 get_sh_type() const 1061 { return Convert<32, big_endian>::convert_host(this->p_->sh_type); } 1062 1063 typename Elf_types<size>::Elf_WXword 1064 get_sh_flags() const 1065 { return Convert<size, big_endian>::convert_host(this->p_->sh_flags); } 1066 1067 typename Elf_types<size>::Elf_Addr 1068 get_sh_addr() const 1069 { return Convert<size, big_endian>::convert_host(this->p_->sh_addr); } 1070 1071 typename Elf_types<size>::Elf_Off 1072 get_sh_offset() const 1073 { return Convert<size, big_endian>::convert_host(this->p_->sh_offset); } 1074 1075 typename Elf_types<size>::Elf_WXword 1076 get_sh_size() const 1077 { return Convert<size, big_endian>::convert_host(this->p_->sh_size); } 1078 1079 Elf_Word 1080 get_sh_link() const 1081 { return Convert<32, big_endian>::convert_host(this->p_->sh_link); } 1082 1083 Elf_Word 1084 get_sh_info() const 1085 { return Convert<32, big_endian>::convert_host(this->p_->sh_info); } 1086 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); } 1091 1092 typename Elf_types<size>::Elf_WXword 1093 get_sh_entsize() const 1094 { return Convert<size, big_endian>::convert_host(this->p_->sh_entsize); } 1095 1096 private: 1097 const internal::Shdr_data<size>* p_; 1098}; 1099 1100// Write class for an ELF section header. 1101 1102template<int size, bool big_endian> 1103class Shdr_write 1104{ 1105 public: 1106 Shdr_write(unsigned char* p) 1107 : p_(reinterpret_cast<internal::Shdr_data<size>*>(p)) 1108 { } 1109 1110 void 1111 put_sh_name(Elf_Word v) 1112 { this->p_->sh_name = Convert<32, big_endian>::convert_host(v); } 1113 1114 void 1115 put_sh_type(Elf_Word v) 1116 { this->p_->sh_type = Convert<32, big_endian>::convert_host(v); } 1117 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); } 1121 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); } 1125 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); } 1129 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); } 1133 1134 void 1135 put_sh_link(Elf_Word v) 1136 { this->p_->sh_link = Convert<32, big_endian>::convert_host(v); } 1137 1138 void 1139 put_sh_info(Elf_Word v) 1140 { this->p_->sh_info = Convert<32, big_endian>::convert_host(v); } 1141 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); } 1145 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); } 1149 1150 private: 1151 internal::Shdr_data<size>* p_; 1152}; 1153 1154// Accessor class for an ELF segment header. 1155 1156template<int size, bool big_endian> 1157class Phdr 1158{ 1159 public: 1160 Phdr(const unsigned char* p) 1161 : p_(reinterpret_cast<const internal::Phdr_data<size>*>(p)) 1162 { } 1163 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())) 1168 { } 1169 1170 Elf_Word 1171 get_p_type() const 1172 { return Convert<32, big_endian>::convert_host(this->p_->p_type); } 1173 1174 typename Elf_types<size>::Elf_Off 1175 get_p_offset() const 1176 { return Convert<size, big_endian>::convert_host(this->p_->p_offset); } 1177 1178 typename Elf_types<size>::Elf_Addr 1179 get_p_vaddr() const 1180 { return Convert<size, big_endian>::convert_host(this->p_->p_vaddr); } 1181 1182 typename Elf_types<size>::Elf_Addr 1183 get_p_paddr() const 1184 { return Convert<size, big_endian>::convert_host(this->p_->p_paddr); } 1185 1186 typename Elf_types<size>::Elf_WXword 1187 get_p_filesz() const 1188 { return Convert<size, big_endian>::convert_host(this->p_->p_filesz); } 1189 1190 typename Elf_types<size>::Elf_WXword 1191 get_p_memsz() const 1192 { return Convert<size, big_endian>::convert_host(this->p_->p_memsz); } 1193 1194 Elf_Word 1195 get_p_flags() const 1196 { return Convert<32, big_endian>::convert_host(this->p_->p_flags); } 1197 1198 typename Elf_types<size>::Elf_WXword 1199 get_p_align() const 1200 { return Convert<size, big_endian>::convert_host(this->p_->p_align); } 1201 1202 private: 1203 const internal::Phdr_data<size>* p_; 1204}; 1205 1206// Write class for an ELF segment header. 1207 1208template<int size, bool big_endian> 1209class Phdr_write 1210{ 1211 public: 1212 Phdr_write(unsigned char* p) 1213 : p_(reinterpret_cast<internal::Phdr_data<size>*>(p)) 1214 { } 1215 1216 void 1217 put_p_type(Elf_Word v) 1218 { this->p_->p_type = Convert<32, big_endian>::convert_host(v); } 1219 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); } 1223 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); } 1227 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); } 1231 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); } 1235 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); } 1239 1240 void 1241 put_p_flags(Elf_Word v) 1242 { this->p_->p_flags = Convert<32, big_endian>::convert_host(v); } 1243 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); } 1247 1248 private: 1249 internal::Phdr_data<size>* p_; 1250}; 1251 1252// Accessor class for an ELF symbol table entry. 1253 1254template<int size, bool big_endian> 1255class Sym 1256{ 1257 public: 1258 Sym(const unsigned char* p) 1259 : p_(reinterpret_cast<const internal::Sym_data<size>*>(p)) 1260 { } 1261 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())) 1266 { } 1267 1268 Elf_Word 1269 get_st_name() const 1270 { return Convert<32, big_endian>::convert_host(this->p_->st_name); } 1271 1272 typename Elf_types<size>::Elf_Addr 1273 get_st_value() const 1274 { return Convert<size, big_endian>::convert_host(this->p_->st_value); } 1275 1276 typename Elf_types<size>::Elf_WXword 1277 get_st_size() const 1278 { return Convert<size, big_endian>::convert_host(this->p_->st_size); } 1279 1280 unsigned char 1281 get_st_info() const 1282 { return this->p_->st_info; } 1283 1284 STB 1285 get_st_bind() const 1286 { return elf_st_bind(this->get_st_info()); } 1287 1288 STT 1289 get_st_type() const 1290 { return elf_st_type(this->get_st_info()); } 1291 1292 unsigned char 1293 get_st_other() const 1294 { return this->p_->st_other; } 1295 1296 STV 1297 get_st_visibility() const 1298 { return elf_st_visibility(this->get_st_other()); } 1299 1300 unsigned char 1301 get_st_nonvis() const 1302 { return elf_st_nonvis(this->get_st_other()); } 1303 1304 Elf_Half 1305 get_st_shndx() const 1306 { return Convert<16, big_endian>::convert_host(this->p_->st_shndx); } 1307 1308 private: 1309 const internal::Sym_data<size>* p_; 1310}; 1311 1312// Writer class for an ELF symbol table entry. 1313 1314template<int size, bool big_endian> 1315class Sym_write 1316{ 1317 public: 1318 Sym_write(unsigned char* p) 1319 : p_(reinterpret_cast<internal::Sym_data<size>*>(p)) 1320 { } 1321 1322 void 1323 put_st_name(Elf_Word v) 1324 { this->p_->st_name = Convert<32, big_endian>::convert_host(v); } 1325 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); } 1329 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); } 1333 1334 void 1335 put_st_info(unsigned char v) 1336 { this->p_->st_info = v; } 1337 1338 void 1339 put_st_info(STB bind, STT type) 1340 { this->p_->st_info = elf_st_info(bind, type); } 1341 1342 void 1343 put_st_other(unsigned char v) 1344 { this->p_->st_other = v; } 1345 1346 void 1347 put_st_other(STV vis, unsigned char nonvis) 1348 { this->p_->st_other = elf_st_other(vis, nonvis); } 1349 1350 void 1351 put_st_shndx(Elf_Half v) 1352 { this->p_->st_shndx = Convert<16, big_endian>::convert_host(v); } 1353 1354 Sym<size, big_endian> 1355 sym() 1356 { return Sym<size, big_endian>(reinterpret_cast<unsigned char*>(this->p_)); } 1357 1358 private: 1359 internal::Sym_data<size>* p_; 1360}; 1361 1362// Accessor classes for an ELF REL relocation entry. 1363 1364template<int size, bool big_endian> 1365class Rel 1366{ 1367 public: 1368 Rel(const unsigned char* p) 1369 : p_(reinterpret_cast<const internal::Rel_data<size>*>(p)) 1370 { } 1371 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())) 1376 { } 1377 1378 typename Elf_types<size>::Elf_Addr 1379 get_r_offset() const 1380 { return Convert<size, big_endian>::convert_host(this->p_->r_offset); } 1381 1382 typename Elf_types<size>::Elf_WXword 1383 get_r_info() const 1384 { return Convert<size, big_endian>::convert_host(this->p_->r_info); } 1385 1386 private: 1387 const internal::Rel_data<size>* p_; 1388}; 1389 1390// Writer class for an ELF Rel relocation. 1391 1392template<int size, bool big_endian> 1393class Rel_write 1394{ 1395 public: 1396 Rel_write(unsigned char* p) 1397 : p_(reinterpret_cast<internal::Rel_data<size>*>(p)) 1398 { } 1399 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); } 1403 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); } 1407 1408 private: 1409 internal::Rel_data<size>* p_; 1410}; 1411 1412// Accessor class for an ELF Rela relocation. 1413 1414template<int size, bool big_endian> 1415class Rela 1416{ 1417 public: 1418 Rela(const unsigned char* p) 1419 : p_(reinterpret_cast<const internal::Rela_data<size>*>(p)) 1420 { } 1421 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())) 1426 { } 1427 1428 typename Elf_types<size>::Elf_Addr 1429 get_r_offset() const 1430 { return Convert<size, big_endian>::convert_host(this->p_->r_offset); } 1431 1432 typename Elf_types<size>::Elf_WXword 1433 get_r_info() const 1434 { return Convert<size, big_endian>::convert_host(this->p_->r_info); } 1435 1436 typename Elf_types<size>::Elf_Swxword 1437 get_r_addend() const 1438 { return Convert<size, big_endian>::convert_host(this->p_->r_addend); } 1439 1440 private: 1441 const internal::Rela_data<size>* p_; 1442}; 1443 1444// Writer class for an ELF Rela relocation. 1445 1446template<int size, bool big_endian> 1447class Rela_write 1448{ 1449 public: 1450 Rela_write(unsigned char* p) 1451 : p_(reinterpret_cast<internal::Rela_data<size>*>(p)) 1452 { } 1453 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); } 1457 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); } 1461 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); } 1465 1466 private: 1467 internal::Rela_data<size>* p_; 1468}; 1469 1470// Accessor classes for entries in the ELF SHT_DYNAMIC section aka 1471// PT_DYNAMIC segment. 1472 1473template<int size, bool big_endian> 1474class Dyn 1475{ 1476 public: 1477 Dyn(const unsigned char* p) 1478 : p_(reinterpret_cast<const internal::Dyn_data<size>*>(p)) 1479 { } 1480 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())) 1485 { } 1486 1487 typename Elf_types<size>::Elf_Swxword 1488 get_d_tag() const 1489 { return Convert<size, big_endian>::convert_host(this->p_->d_tag); } 1490 1491 typename Elf_types<size>::Elf_WXword 1492 get_d_val() const 1493 { return Convert<size, big_endian>::convert_host(this->p_->d_val); } 1494 1495 typename Elf_types<size>::Elf_Addr 1496 get_d_ptr() const 1497 { return Convert<size, big_endian>::convert_host(this->p_->d_val); } 1498 1499 private: 1500 const internal::Dyn_data<size>* p_; 1501}; 1502 1503// Write class for an entry in the SHT_DYNAMIC section. 1504 1505template<int size, bool big_endian> 1506class Dyn_write 1507{ 1508 public: 1509 Dyn_write(unsigned char* p) 1510 : p_(reinterpret_cast<internal::Dyn_data<size>*>(p)) 1511 { } 1512 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); } 1516 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); } 1520 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); } 1524 1525 private: 1526 internal::Dyn_data<size>* p_; 1527}; 1528 1529// Accessor classes for entries in the ELF SHT_GNU_verdef section. 1530 1531template<int size, bool big_endian> 1532class Verdef 1533{ 1534 public: 1535 Verdef(const unsigned char* p) 1536 : p_(reinterpret_cast<const internal::Verdef_data*>(p)) 1537 { } 1538 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())) 1543 { } 1544 1545 Elf_Half 1546 get_vd_version() const 1547 { return Convert<16, big_endian>::convert_host(this->p_->vd_version); } 1548 1549 Elf_Half 1550 get_vd_flags() const 1551 { return Convert<16, big_endian>::convert_host(this->p_->vd_flags); } 1552 1553 Elf_Half 1554 get_vd_ndx() const 1555 { return Convert<16, big_endian>::convert_host(this->p_->vd_ndx); } 1556 1557 Elf_Half 1558 get_vd_cnt() const 1559 { return Convert<16, big_endian>::convert_host(this->p_->vd_cnt); } 1560 1561 Elf_Word 1562 get_vd_hash() const 1563 { return Convert<32, big_endian>::convert_host(this->p_->vd_hash); } 1564 1565 Elf_Word 1566 get_vd_aux() const 1567 { return Convert<32, big_endian>::convert_host(this->p_->vd_aux); } 1568 1569 Elf_Word 1570 get_vd_next() const 1571 { return Convert<32, big_endian>::convert_host(this->p_->vd_next); } 1572 1573 private: 1574 const internal::Verdef_data* p_; 1575}; 1576 1577template<int size, bool big_endian> 1578class Verdef_write 1579{ 1580 public: 1581 Verdef_write(unsigned char* p) 1582 : p_(reinterpret_cast<internal::Verdef_data*>(p)) 1583 { } 1584 1585 void 1586 set_vd_version(Elf_Half v) 1587 { this->p_->vd_version = Convert<16, big_endian>::convert_host(v); } 1588 1589 void 1590 set_vd_flags(Elf_Half v) 1591 { this->p_->vd_flags = Convert<16, big_endian>::convert_host(v); } 1592 1593 void 1594 set_vd_ndx(Elf_Half v) 1595 { this->p_->vd_ndx = Convert<16, big_endian>::convert_host(v); } 1596 1597 void 1598 set_vd_cnt(Elf_Half v) 1599 { this->p_->vd_cnt = Convert<16, big_endian>::convert_host(v); } 1600 1601 void 1602 set_vd_hash(Elf_Word v) 1603 { this->p_->vd_hash = Convert<32, big_endian>::convert_host(v); } 1604 1605 void 1606 set_vd_aux(Elf_Word v) 1607 { this->p_->vd_aux = Convert<32, big_endian>::convert_host(v); } 1608 1609 void 1610 set_vd_next(Elf_Word v) 1611 { this->p_->vd_next = Convert<32, big_endian>::convert_host(v); } 1612 1613 private: 1614 internal::Verdef_data* p_; 1615}; 1616 1617// Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef 1618// section. 1619 1620template<int size, bool big_endian> 1621class Verdaux 1622{ 1623 public: 1624 Verdaux(const unsigned char* p) 1625 : p_(reinterpret_cast<const internal::Verdaux_data*>(p)) 1626 { } 1627 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())) 1632 { } 1633 1634 Elf_Word 1635 get_vda_name() const 1636 { return Convert<32, big_endian>::convert_host(this->p_->vda_name); } 1637 1638 Elf_Word 1639 get_vda_next() const 1640 { return Convert<32, big_endian>::convert_host(this->p_->vda_next); } 1641 1642 private: 1643 const internal::Verdaux_data* p_; 1644}; 1645 1646template<int size, bool big_endian> 1647class Verdaux_write 1648{ 1649 public: 1650 Verdaux_write(unsigned char* p) 1651 : p_(reinterpret_cast<internal::Verdaux_data*>(p)) 1652 { } 1653 1654 void 1655 set_vda_name(Elf_Word v) 1656 { this->p_->vda_name = Convert<32, big_endian>::convert_host(v); } 1657 1658 void 1659 set_vda_next(Elf_Word v) 1660 { this->p_->vda_next = Convert<32, big_endian>::convert_host(v); } 1661 1662 private: 1663 internal::Verdaux_data* p_; 1664}; 1665 1666// Accessor classes for entries in the ELF SHT_GNU_verneed section. 1667 1668template<int size, bool big_endian> 1669class Verneed 1670{ 1671 public: 1672 Verneed(const unsigned char* p) 1673 : p_(reinterpret_cast<const internal::Verneed_data*>(p)) 1674 { } 1675 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())) 1680 { } 1681 1682 Elf_Half 1683 get_vn_version() const 1684 { return Convert<16, big_endian>::convert_host(this->p_->vn_version); } 1685 1686 Elf_Half 1687 get_vn_cnt() const 1688 { return Convert<16, big_endian>::convert_host(this->p_->vn_cnt); } 1689 1690 Elf_Word 1691 get_vn_file() const 1692 { return Convert<32, big_endian>::convert_host(this->p_->vn_file); } 1693 1694 Elf_Word 1695 get_vn_aux() const 1696 { return Convert<32, big_endian>::convert_host(this->p_->vn_aux); } 1697 1698 Elf_Word 1699 get_vn_next() const 1700 { return Convert<32, big_endian>::convert_host(this->p_->vn_next); } 1701 1702 private: 1703 const internal::Verneed_data* p_; 1704}; 1705 1706template<int size, bool big_endian> 1707class Verneed_write 1708{ 1709 public: 1710 Verneed_write(unsigned char* p) 1711 : p_(reinterpret_cast<internal::Verneed_data*>(p)) 1712 { } 1713 1714 void 1715 set_vn_version(Elf_Half v) 1716 { this->p_->vn_version = Convert<16, big_endian>::convert_host(v); } 1717 1718 void 1719 set_vn_cnt(Elf_Half v) 1720 { this->p_->vn_cnt = Convert<16, big_endian>::convert_host(v); } 1721 1722 void 1723 set_vn_file(Elf_Word v) 1724 { this->p_->vn_file = Convert<32, big_endian>::convert_host(v); } 1725 1726 void 1727 set_vn_aux(Elf_Word v) 1728 { this->p_->vn_aux = Convert<32, big_endian>::convert_host(v); } 1729 1730 void 1731 set_vn_next(Elf_Word v) 1732 { this->p_->vn_next = Convert<32, big_endian>::convert_host(v); } 1733 1734 private: 1735 internal::Verneed_data* p_; 1736}; 1737 1738// Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed 1739// section. 1740 1741template<int size, bool big_endian> 1742class Vernaux 1743{ 1744 public: 1745 Vernaux(const unsigned char* p) 1746 : p_(reinterpret_cast<const internal::Vernaux_data*>(p)) 1747 { } 1748 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())) 1753 { } 1754 1755 Elf_Word 1756 get_vna_hash() const 1757 { return Convert<32, big_endian>::convert_host(this->p_->vna_hash); } 1758 1759 Elf_Half 1760 get_vna_flags() const 1761 { return Convert<16, big_endian>::convert_host(this->p_->vna_flags); } 1762 1763 Elf_Half 1764 get_vna_other() const 1765 { return Convert<16, big_endian>::convert_host(this->p_->vna_other); } 1766 1767 Elf_Word 1768 get_vna_name() const 1769 { return Convert<32, big_endian>::convert_host(this->p_->vna_name); } 1770 1771 Elf_Word 1772 get_vna_next() const 1773 { return Convert<32, big_endian>::convert_host(this->p_->vna_next); } 1774 1775 private: 1776 const internal::Vernaux_data* p_; 1777}; 1778 1779template<int size, bool big_endian> 1780class Vernaux_write 1781{ 1782 public: 1783 Vernaux_write(unsigned char* p) 1784 : p_(reinterpret_cast<internal::Vernaux_data*>(p)) 1785 { } 1786 1787 void 1788 set_vna_hash(Elf_Word v) 1789 { this->p_->vna_hash = Convert<32, big_endian>::convert_host(v); } 1790 1791 void 1792 set_vna_flags(Elf_Half v) 1793 { this->p_->vna_flags = Convert<16, big_endian>::convert_host(v); } 1794 1795 void 1796 set_vna_other(Elf_Half v) 1797 { this->p_->vna_other = Convert<16, big_endian>::convert_host(v); } 1798 1799 void 1800 set_vna_name(Elf_Word v) 1801 { this->p_->vna_name = Convert<32, big_endian>::convert_host(v); } 1802 1803 void 1804 set_vna_next(Elf_Word v) 1805 { this->p_->vna_next = Convert<32, big_endian>::convert_host(v); } 1806 1807 private: 1808 internal::Vernaux_data* p_; 1809}; 1810 1811} // End namespace elfcpp. 1812 1813#endif // !defined(ELFPCP_H) 1814