elfcpp/elfcpp.h

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