elfcpp/elfcpp.h

   1 // elfcpp.h -- main header file for elfcpp    -*- C++ -*-
   2
   3 // Copyright (C) 2006-2020 Free Software Foundation, Inc.
   4 // Written by Ian Lance Taylor <iant@google.com>.
   5
   6 // This file is part of elfcpp.
   7
   8 // This program is free software; you can redistribute it and/or
   9 // modify it under the terms of the GNU Library General Public License
  10 // as published by the Free Software Foundation; either version 2, or
  11 // (at your option) any later version.
  12
  13 // In addition to the permissions in the GNU Library General Public
  14 // License, the Free Software Foundation gives you unlimited
  15 // permission to link the compiled version of this file into
  16 // combinations with other programs, and to distribute those
  17 // combinations without any restriction coming from the use of this
  18 // file.  (The Library Public License restrictions do apply in other
  19 // respects; for example, they cover modification of the file, and
  20 // distribution when not linked into a combined executable.)
  21
  22 // This program is distributed in the hope that it will be useful, but
  23 // WITHOUT ANY WARRANTY; without even the implied warranty of
  24 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  25 // Library General Public License for more details.
  26
  27 // You should have received a copy of the GNU Library General Public
  28 // License along with this program; if not, write to the Free Software
  29 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
  30 // 02110-1301, USA.
  31
  32 // This is the external interface for elfcpp.
  33
  34 #ifndef ELFCPP_H
  35 #define ELFCPP_H
  36
  37 #include "elfcpp_swap.h"
  38
  39 #include <stdint.h>
  40
  41 namespace elfcpp
  42 {
  43
  44 // Basic ELF types.
  45
  46 // These types are always the same size.
  47
  48 typedef uint16_t Elf_Half;
  49 typedef uint32_t Elf_Word;
  50 typedef int32_t Elf_Sword;
  51 typedef uint64_t Elf_Xword;
  52 typedef int64_t Elf_Sxword;
  53
  54 // These types vary in size depending on the ELF file class.  The
  55 // template parameter should be 32 or 64.
  56
  57 template<int size>
  58 struct Elf_types;
  59
  60 template<>
  61 struct Elf_types<32>
  62 {
  63   typedef uint32_t Elf_Addr;
  64   typedef uint32_t Elf_Off;
  65   typedef uint32_t Elf_WXword;
  66   typedef int32_t Elf_Swxword;
  67 };
  68
  69 template<>
  70 struct Elf_types<64>
  71 {
  72   typedef uint64_t Elf_Addr;
  73   typedef uint64_t Elf_Off;
  74   typedef uint64_t Elf_WXword;
  75   typedef int64_t Elf_Swxword;
  76 };
  77
  78 // Offsets within the Ehdr e_ident field.
  79
  80 const int EI_MAG0 = 0;
  81 const int EI_MAG1 = 1;
  82 const int EI_MAG2 = 2;
  83 const int EI_MAG3 = 3;
  84 const int EI_CLASS = 4;
  85 const int EI_DATA = 5;
  86 const int EI_VERSION = 6;
  87 const int EI_OSABI = 7;
  88 const int EI_ABIVERSION = 8;
  89 const int EI_PAD = 9;
  90 const int EI_NIDENT = 16;
  91
  92 // The valid values found in Ehdr e_ident[EI_MAG0 through EI_MAG3].
  93
  94 const int ELFMAG0 = 0x7f;
  95 const int ELFMAG1 = 'E';
  96 const int ELFMAG2 = 'L';
  97 const int ELFMAG3 = 'F';
  98
  99 // The valid values found in Ehdr e_ident[EI_CLASS].
 100
 101 enum
 102 {
 103   ELFCLASSNONE = 0,
 104   ELFCLASS32 = 1,
 105   ELFCLASS64 = 2
 106 };
 107
 108 // The valid values found in Ehdr e_ident[EI_DATA].
 109
 110 enum
 111 {
 112   ELFDATANONE = 0,
 113   ELFDATA2LSB = 1,
 114   ELFDATA2MSB = 2
 115 };
 116
 117 // The valid values found in Ehdr e_ident[EI_VERSION] and e_version.
 118
 119 enum
 120 {
 121   EV_NONE = 0,
 122   EV_CURRENT = 1
 123 };
 124
 125 // The valid values found in Ehdr e_ident[EI_OSABI].
 126
 127 enum ELFOSABI
 128 {
 129   ELFOSABI_NONE = 0,
 130   ELFOSABI_HPUX = 1,
 131   ELFOSABI_NETBSD = 2,
 132   ELFOSABI_GNU = 3,
 133   // ELFOSABI_LINUX is an alias for ELFOSABI_GNU.
 134   ELFOSABI_LINUX = 3,
 135   ELFOSABI_SOLARIS = 6,
 136   ELFOSABI_AIX = 7,
 137   ELFOSABI_IRIX = 8,
 138   ELFOSABI_FREEBSD = 9,
 139   ELFOSABI_TRU64 = 10,
 140   ELFOSABI_MODESTO = 11,
 141   ELFOSABI_OPENBSD = 12,
 142   ELFOSABI_OPENVMS = 13,
 143   ELFOSABI_NSK = 14,
 144   ELFOSABI_AROS = 15,
 145   // A GNU extension for the ARM.
 146   ELFOSABI_ARM = 97,
 147   // A GNU extension for the MSP.
 148   ELFOSABI_STANDALONE = 255
 149 };
 150
 151 // The valid values found in the Ehdr e_type field.
 152
 153 enum ET
 154 {
 155   ET_NONE = 0,
 156   ET_REL = 1,
 157   ET_EXEC = 2,
 158   ET_DYN = 3,
 159   ET_CORE = 4,
 160   ET_LOOS = 0xfe00,
 161   ET_HIOS = 0xfeff,
 162   ET_LOPROC = 0xff00,
 163   ET_HIPROC = 0xffff
 164 };
 165
 166 // The valid values found in the Ehdr e_machine field.
 167
 168 enum EM
 169 {
 170   EM_NONE = 0,
 171   EM_M32 = 1,
 172   EM_SPARC = 2,
 173   EM_386 = 3,
 174   EM_68K = 4,
 175   EM_88K = 5,
 176   EM_IAMCU = 6,
 177   EM_860 = 7,
 178   EM_MIPS = 8,
 179   EM_S370 = 9,
 180   EM_MIPS_RS3_LE = 10,
 181   // 11 was the old Sparc V9 ABI.
 182   // 12 through 14 are reserved.
 183   EM_PARISC = 15,
 184   // 16 is reserved.
 185   // Some old PowerPC object files use 17.
 186   EM_VPP500 = 17,
 187   EM_SPARC32PLUS = 18,
 188   EM_960 = 19,
 189   EM_PPC = 20,
 190   EM_PPC64 = 21,
 191   EM_S390 = 22,
 192   // 23 through 35 are served.
 193   EM_V800 = 36,
 194   EM_FR20 = 37,
 195   EM_RH32 = 38,
 196   EM_RCE = 39,
 197   EM_ARM = 40,
 198   EM_ALPHA = 41,
 199   EM_SH = 42,
 200   EM_SPARCV9 = 43,
 201   EM_TRICORE = 44,
 202   EM_ARC = 45,
 203   EM_H8_300 = 46,
 204   EM_H8_300H = 47,
 205   EM_H8S = 48,
 206   EM_H8_500 = 49,
 207   EM_IA_64 = 50,
 208   EM_MIPS_X = 51,
 209   EM_COLDFIRE = 52,
 210   EM_68HC12 = 53,
 211   EM_MMA = 54,
 212   EM_PCP = 55,
 213   EM_NCPU = 56,
 214   EM_NDR1 = 57,
 215   EM_STARCORE = 58,
 216   EM_ME16 = 59,
 217   EM_ST100 = 60,
 218   EM_TINYJ = 61,
 219   EM_X86_64 = 62,
 220   EM_PDSP = 63,
 221   EM_PDP10 = 64,
 222   EM_PDP11 = 65,
 223   EM_FX66 = 66,
 224   EM_ST9PLUS = 67,
 225   EM_ST7 = 68,
 226   EM_68HC16 = 69,
 227   EM_68HC11 = 70,
 228   EM_68HC08 = 71,
 229   EM_68HC05 = 72,
 230   EM_SVX = 73,
 231   EM_ST19 = 74,
 232   EM_VAX = 75,
 233   EM_CRIS = 76,
 234   EM_JAVELIN = 77,
 235   EM_FIREPATH = 78,
 236   EM_ZSP = 79,
 237   EM_MMIX = 80,
 238   EM_HUANY = 81,
 239   EM_PRISM = 82,
 240   EM_AVR = 83,
 241   EM_FR30 = 84,
 242   EM_D10V = 85,
 243   EM_D30V = 86,
 244   EM_V850 = 87,
 245   EM_M32R = 88,
 246   EM_MN10300 = 89,
 247   EM_MN10200 = 90,
 248   EM_PJ = 91,
 249   EM_OR1K = 92,
 250   EM_ARC_A5 = 93,
 251   EM_XTENSA = 94,
 252   EM_VIDEOCORE = 95,
 253   EM_TMM_GPP = 96,
 254   EM_NS32K = 97,
 255   EM_TPC = 98,
 256   // Some old picoJava object files use 99 (EM_PJ is correct).
 257   EM_SNP1K = 99,
 258   EM_ST200 = 100,
 259   EM_IP2K = 101,
 260   EM_MAX = 102,
 261   EM_CR = 103,
 262   EM_F2MC16 = 104,
 263   EM_MSP430 = 105,
 264   EM_BLACKFIN = 106,
 265   EM_SE_C33 = 107,
 266   EM_SEP = 108,
 267   EM_ARCA = 109,
 268   EM_UNICORE = 110,
 269   EM_ALTERA_NIOS2 = 113,
 270   EM_CRX = 114,
 271   EM_TI_PRU = 144,
 272   EM_AARCH64 = 183,
 273   EM_TILEGX = 191,
 274   // The Morph MT.
 275   EM_MT = 0x2530,
 276   // DLX.
 277   EM_DLX = 0x5aa5,
 278   // FRV.
 279   EM_FRV = 0x5441,
 280   // Infineon Technologies 16-bit microcontroller with C166-V2 core.
 281   EM_X16X = 0x4688,
 282   // Xstorym16
 283   EM_XSTORMY16 = 0xad45,
 284   // Renesas M32C
 285   EM_M32C = 0xfeb0,
 286   // Vitesse IQ2000
 287   EM_IQ2000 = 0xfeba,
 288   // NIOS
 289   EM_NIOS32 = 0xfebb
 290   // Old AVR objects used 0x1057 (EM_AVR is correct).
 291   // Old MSP430 objects used 0x1059 (EM_MSP430 is correct).
 292   // Old FR30 objects used 0x3330 (EM_FR30 is correct).
 293   // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OR1K is correct).
 294   // Old D10V objects used 0x7650 (EM_D10V is correct).
 295   // Old D30V objects used 0x7676 (EM_D30V is correct).
 296   // Old IP2X objects used 0x8217 (EM_IP2K is correct).
 297   // Old PowerPC objects used 0x9025 (EM_PPC is correct).
 298   // Old Alpha objects used 0x9026 (EM_ALPHA is correct).
 299   // Old M32R objects used 0x9041 (EM_M32R is correct).
 300   // Old V850 objects used 0x9080 (EM_V850 is correct).
 301   // Old S/390 objects used 0xa390 (EM_S390 is correct).
 302   // Old Xtensa objects used 0xabc7 (EM_XTENSA is correct).
 303   // Old MN10300 objects used 0xbeef (EM_MN10300 is correct).
 304   // Old MN10200 objects used 0xdead (EM_MN10200 is correct).
 305 };
 306
 307 // A special value found in the Ehdr e_phnum field.
 308
 309 enum
 310 {
 311   // Number of program segments stored in sh_info field of first
 312   // section headre.
 313   PN_XNUM = 0xffff
 314 };
 315
 316 // Special section indices.
 317
 318 enum
 319 {
 320   SHN_UNDEF = 0,
 321   SHN_LORESERVE = 0xff00,
 322   SHN_LOPROC = 0xff00,
 323   SHN_HIPROC = 0xff1f,
 324   SHN_LOOS = 0xff20,
 325   SHN_HIOS = 0xff3f,
 326   SHN_ABS = 0xfff1,
 327   SHN_COMMON = 0xfff2,
 328   SHN_XINDEX = 0xffff,
 329   SHN_HIRESERVE = 0xffff,
 330
 331   // Provide for initial and final section ordering in conjunction
 332   // with the SHF_LINK_ORDER and SHF_ORDERED section flags.
 333   SHN_BEFORE = 0xff00,
 334   SHN_AFTER = 0xff01,
 335
 336   // x86_64 specific large common symbol.
 337   SHN_X86_64_LCOMMON = 0xff02
 338 };
 339
 340 // The valid values found in the Shdr sh_type field.
 341
 342 enum SHT
 343 {
 344   SHT_NULL = 0,
 345   SHT_PROGBITS = 1,
 346   SHT_SYMTAB = 2,
 347   SHT_STRTAB = 3,
 348   SHT_RELA = 4,
 349   SHT_HASH = 5,
 350   SHT_DYNAMIC = 6,
 351   SHT_NOTE = 7,
 352   SHT_NOBITS = 8,
 353   SHT_REL = 9,
 354   SHT_SHLIB = 10,
 355   SHT_DYNSYM = 11,
 356   SHT_INIT_ARRAY = 14,
 357   SHT_FINI_ARRAY = 15,
 358   SHT_PREINIT_ARRAY = 16,
 359   SHT_GROUP = 17,
 360   SHT_SYMTAB_SHNDX = 18,
 361   SHT_LOOS = 0x60000000,
 362   SHT_HIOS = 0x6fffffff,
 363   SHT_LOPROC = 0x70000000,
 364   SHT_HIPROC = 0x7fffffff,
 365   SHT_LOUSER = 0x80000000,
 366   SHT_HIUSER = 0xffffffff,
 367   // The remaining values are not in the standard.
 368   // Incremental build data.
 369   SHT_GNU_INCREMENTAL_INPUTS = 0x6fff4700,
 370   SHT_GNU_INCREMENTAL_SYMTAB = 0x6fff4701,
 371   SHT_GNU_INCREMENTAL_RELOCS = 0x6fff4702,
 372   SHT_GNU_INCREMENTAL_GOT_PLT = 0x6fff4703,
 373   // Object attributes.
 374   SHT_GNU_ATTRIBUTES = 0x6ffffff5,
 375   // GNU style dynamic hash table.
 376   SHT_GNU_HASH = 0x6ffffff6,
 377   // List of prelink dependencies.
 378   SHT_GNU_LIBLIST = 0x6ffffff7,
 379   // Versions defined by file.
 380   SHT_SUNW_verdef = 0x6ffffffd,
 381   SHT_GNU_verdef = 0x6ffffffd,
 382   // Versions needed by file.
 383   SHT_SUNW_verneed = 0x6ffffffe,
 384   SHT_GNU_verneed = 0x6ffffffe,
 385   // Symbol versions,
 386   SHT_SUNW_versym = 0x6fffffff,
 387   SHT_GNU_versym = 0x6fffffff,
 388
 389   SHT_SPARC_GOTDATA = 0x70000000,
 390
 391   // ARM-specific section types.
 392   // Exception Index table.
 393   SHT_ARM_EXIDX = 0x70000001,
 394   // BPABI DLL dynamic linking pre-emption map.
 395   SHT_ARM_PREEMPTMAP = 0x70000002,
 396   // Object file compatibility attributes.
 397   SHT_ARM_ATTRIBUTES = 0x70000003,
 398   // Support for debugging overlaid programs.
 399   SHT_ARM_DEBUGOVERLAY = 0x70000004,
 400   SHT_ARM_OVERLAYSECTION = 0x70000005,
 401
 402   // x86_64 unwind information.
 403   SHT_X86_64_UNWIND = 0x70000001,
 404
 405   // MIPS-specific section types.
 406   // Section contains register usage information.
 407   SHT_MIPS_REGINFO = 0x70000006,
 408   // Section contains miscellaneous options.
 409   SHT_MIPS_OPTIONS = 0x7000000d,
 410   // ABI related flags section.
 411   SHT_MIPS_ABIFLAGS = 0x7000002a,
 412
 413   // AARCH64-specific section type.
 414   SHT_AARCH64_ATTRIBUTES = 0x70000003,
 415
 416   // Link editor is to sort the entries in this section based on the
 417   // address specified in the associated symbol table entry.
 418   SHT_ORDERED = 0x7fffffff
 419 };
 420
 421 // The valid bit flags found in the Shdr sh_flags field.
 422
 423 enum SHF
 424 {
 425   SHF_WRITE = 0x1,
 426   SHF_ALLOC = 0x2,
 427   SHF_EXECINSTR = 0x4,
 428   SHF_MERGE = 0x10,
 429   SHF_STRINGS = 0x20,
 430   SHF_INFO_LINK = 0x40,
 431   SHF_LINK_ORDER = 0x80,
 432   SHF_OS_NONCONFORMING = 0x100,
 433   SHF_GROUP = 0x200,
 434   SHF_TLS = 0x400,
 435   SHF_COMPRESSED = 0x800,
 436   SHF_MASKOS = 0x0ff00000,
 437   SHF_MASKPROC = 0xf0000000,
 438
 439   // Indicates this section requires ordering in relation to
 440   // other sections of the same type.  Ordered sections are
 441   // combined within the section pointed to by the sh_link entry.
 442   // The sh_info values SHN_BEFORE and SHN_AFTER imply that the
 443   // sorted section is to precede or follow, respectively, all
 444   // other sections in the set being ordered.
 445   SHF_ORDERED = 0x40000000,
 446   // This section is excluded from input to the link-edit of an
 447   // executable or shared object.  This flag is ignored if SHF_ALLOC
 448   // is also set, or if relocations exist against the section.
 449   SHF_EXCLUDE = 0x80000000,
 450
 451   // Section with data that is GP relative addressable.
 452   SHF_MIPS_GPREL = 0x10000000,
 453
 454   // x86_64 specific large section.
 455   SHF_X86_64_LARGE = 0x10000000
 456 };
 457
 458 // Values which appear in the first Elf_WXword of the section data
 459 // of a SHF_COMPRESSED section.
 460 enum
 461 {
 462   ELFCOMPRESS_ZLIB = 1,
 463   ELFCOMPRESS_LOOS = 0x60000000,
 464   ELFCOMPRESS_HIOS = 0x6fffffff,
 465   ELFCOMPRESS_LOPROC = 0x70000000,
 466   ELFCOMPRESS_HIPROC = 0x7fffffff,
 467 };
 468
 469 // Bit flags which appear in the first 32-bit word of the section data
 470 // of a SHT_GROUP section.
 471
 472 enum
 473 {
 474   GRP_COMDAT = 0x1,
 475   GRP_MASKOS = 0x0ff00000,
 476   GRP_MASKPROC = 0xf0000000
 477 };
 478
 479 // The valid values found in the Phdr p_type field.
 480
 481 enum PT
 482 {
 483   PT_NULL = 0,
 484   PT_LOAD = 1,
 485   PT_DYNAMIC = 2,
 486   PT_INTERP = 3,
 487   PT_NOTE = 4,
 488   PT_SHLIB = 5,
 489   PT_PHDR = 6,
 490   PT_TLS = 7,
 491   PT_LOOS = 0x60000000,
 492   PT_HIOS = 0x6fffffff,
 493   PT_LOPROC = 0x70000000,
 494   PT_HIPROC = 0x7fffffff,
 495   // The remaining values are not in the standard.
 496   // Frame unwind information.
 497   PT_GNU_EH_FRAME = 0x6474e550,
 498   PT_SUNW_EH_FRAME = 0x6474e550,
 499   // Stack flags.
 500   PT_GNU_STACK = 0x6474e551,
 501   // Read only after relocation.
 502   PT_GNU_RELRO = 0x6474e552,
 503   // Platform architecture compatibility information
 504   PT_ARM_ARCHEXT = 0x70000000,
 505   // Exception unwind tables
 506   PT_ARM_EXIDX = 0x70000001,
 507   // Register usage information.  Identifies one .reginfo section.
 508   PT_MIPS_REGINFO =0x70000000,
 509   // Runtime procedure table.
 510   PT_MIPS_RTPROC = 0x70000001,
 511   // .MIPS.options section.
 512   PT_MIPS_OPTIONS = 0x70000002,
 513   // .MIPS.abiflags section.
 514   PT_MIPS_ABIFLAGS = 0x70000003,
 515   // Platform architecture compatibility information
 516   PT_AARCH64_ARCHEXT = 0x70000000,
 517   // Exception unwind tables
 518   PT_AARCH64_UNWIND = 0x70000001,
 519   // 4k page table size
 520   PT_S390_PGSTE = 0x70000000,
 521 };
 522
 523 // The valid bit flags found in the Phdr p_flags field.
 524
 525 enum PF
 526 {
 527   PF_X = 0x1,
 528   PF_W = 0x2,
 529   PF_R = 0x4,
 530   PF_MASKOS = 0x0ff00000,
 531   PF_MASKPROC = 0xf0000000
 532 };
 533
 534 // Symbol binding from Sym st_info field.
 535
 536 enum STB
 537 {
 538   STB_LOCAL = 0,
 539   STB_GLOBAL = 1,
 540   STB_WEAK = 2,
 541   STB_LOOS = 10,
 542   STB_GNU_UNIQUE = 10,
 543   STB_HIOS = 12,
 544   STB_LOPROC = 13,
 545   STB_HIPROC = 15
 546 };
 547
 548 // Symbol types from Sym st_info field.
 549
 550 enum STT
 551 {
 552   STT_NOTYPE = 0,
 553   STT_OBJECT = 1,
 554   STT_FUNC = 2,
 555   STT_SECTION = 3,
 556   STT_FILE = 4,
 557   STT_COMMON = 5,
 558   STT_TLS = 6,
 559
 560   // GNU extension: symbol value points to a function which is called
 561   // at runtime to determine the final value of the symbol.
 562   STT_GNU_IFUNC = 10,
 563
 564   STT_LOOS = 10,
 565   STT_HIOS = 12,
 566   STT_LOPROC = 13,
 567   STT_HIPROC = 15,
 568
 569   // The section type that must be used for register symbols on
 570   // Sparc.  These symbols initialize a global register.
 571   STT_SPARC_REGISTER = 13,
 572
 573   // ARM: a THUMB function.  This is not defined in ARM ELF Specification but
 574   // used by the GNU tool-chain.
 575   STT_ARM_TFUNC = 13
 576 };
 577
 578 inline STB
 579 elf_st_bind(unsigned char info)
 580 {
 581   return static_cast<STB>(info >> 4);
 582 }
 583
 584 inline STT
 585 elf_st_type(unsigned char info)
 586 {
 587   return static_cast<STT>(info & 0xf);
 588 }
 589
 590 inline unsigned char
 591 elf_st_info(STB bind, STT type)
 592 {
 593   return ((static_cast<unsigned char>(bind) << 4)
 594           + (static_cast<unsigned char>(type) & 0xf));
 595 }
 596
 597 // Symbol visibility from Sym st_other field.
 598
 599 enum STV
 600 {
 601   STV_DEFAULT = 0,
 602   STV_INTERNAL = 1,
 603   STV_HIDDEN = 2,
 604   STV_PROTECTED = 3
 605 };
 606
 607 inline STV
 608 elf_st_visibility(unsigned char other)
 609 {
 610   return static_cast<STV>(other & 0x3);
 611 }
 612
 613 inline unsigned char
 614 elf_st_nonvis(unsigned char other)
 615 {
 616   return static_cast<STV>(other >> 2);
 617 }
 618
 619 inline unsigned char
 620 elf_st_other(STV vis, unsigned char nonvis)
 621 {
 622   return ((nonvis << 2)
 623           + (static_cast<unsigned char>(vis) & 3));
 624 }
 625
 626 // Reloc information from Rel/Rela r_info field.
 627
 628 template<int size>
 629 unsigned int
 630 elf_r_sym(typename Elf_types<size>::Elf_WXword);
 631
 632 template<>
 633 inline unsigned int
 634 elf_r_sym<32>(Elf_Word v)
 635 {
 636   return v >> 8;
 637 }
 638
 639 template<>
 640 inline unsigned int
 641 elf_r_sym<64>(Elf_Xword v)
 642 {
 643   return v >> 32;
 644 }
 645
 646 template<int size>
 647 unsigned int
 648 elf_r_type(typename Elf_types<size>::Elf_WXword);
 649
 650 template<>
 651 inline unsigned int
 652 elf_r_type<32>(Elf_Word v)
 653 {
 654   return v & 0xff;
 655 }
 656
 657 template<>
 658 inline unsigned int
 659 elf_r_type<64>(Elf_Xword v)
 660 {
 661   return v & 0xffffffff;
 662 }
 663
 664 template<int size>
 665 typename Elf_types<size>::Elf_WXword
 666 elf_r_info(unsigned int s, unsigned int t);
 667
 668 template<>
 669 inline Elf_Word
 670 elf_r_info<32>(unsigned int s, unsigned int t)
 671 {
 672   return (s << 8) + (t & 0xff);
 673 }
 674
 675 template<>
 676 inline Elf_Xword
 677 elf_r_info<64>(unsigned int s, unsigned int t)
 678 {
 679   return (static_cast<Elf_Xword>(s) << 32) + (t & 0xffffffff);
 680 }
 681
 682 // Dynamic tags found in the PT_DYNAMIC segment.
 683
 684 enum DT
 685 {
 686   DT_NULL = 0,
 687   DT_NEEDED = 1,
 688   DT_PLTRELSZ = 2,
 689   DT_PLTGOT = 3,
 690   DT_HASH = 4,
 691   DT_STRTAB = 5,
 692   DT_SYMTAB = 6,
 693   DT_RELA = 7,
 694   DT_RELASZ = 8,
 695   DT_RELAENT = 9,
 696   DT_STRSZ = 10,
 697   DT_SYMENT = 11,
 698   DT_INIT = 12,
 699   DT_FINI = 13,
 700   DT_SONAME = 14,
 701   DT_RPATH = 15,
 702   DT_SYMBOLIC = 16,
 703   DT_REL = 17,
 704   DT_RELSZ = 18,
 705   DT_RELENT = 19,
 706   DT_PLTREL = 20,
 707   DT_DEBUG = 21,
 708   DT_TEXTREL = 22,
 709   DT_JMPREL = 23,
 710   DT_BIND_NOW = 24,
 711   DT_INIT_ARRAY = 25,
 712   DT_FINI_ARRAY = 26,
 713   DT_INIT_ARRAYSZ = 27,
 714   DT_FINI_ARRAYSZ = 28,
 715   DT_RUNPATH = 29,
 716   DT_FLAGS = 30,
 717
 718   // This is used to mark a range of dynamic tags.  It is not really
 719   // a tag value.
 720   DT_ENCODING = 32,
 721
 722   DT_PREINIT_ARRAY = 32,
 723   DT_PREINIT_ARRAYSZ = 33,
 724   DT_LOOS = 0x6000000d,
 725   DT_HIOS = 0x6ffff000,
 726   DT_LOPROC = 0x70000000,
 727   DT_HIPROC = 0x7fffffff,
 728
 729   // The remaining values are extensions used by GNU or Solaris.
 730   DT_VALRNGLO = 0x6ffffd00,
 731   DT_GNU_PRELINKED = 0x6ffffdf5,
 732   DT_GNU_CONFLICTSZ = 0x6ffffdf6,
 733   DT_GNU_LIBLISTSZ = 0x6ffffdf7,
 734   DT_CHECKSUM = 0x6ffffdf8,
 735   DT_PLTPADSZ = 0x6ffffdf9,
 736   DT_MOVEENT = 0x6ffffdfa,
 737   DT_MOVESZ = 0x6ffffdfb,
 738   DT_FEATURE = 0x6ffffdfc,
 739   DT_POSFLAG_1 = 0x6ffffdfd,
 740   DT_SYMINSZ = 0x6ffffdfe,
 741   DT_SYMINENT = 0x6ffffdff,
 742   DT_VALRNGHI = 0x6ffffdff,
 743
 744   DT_ADDRRNGLO = 0x6ffffe00,
 745   DT_GNU_HASH = 0x6ffffef5,
 746   DT_TLSDESC_PLT = 0x6ffffef6,
 747   DT_TLSDESC_GOT = 0x6ffffef7,
 748   DT_GNU_CONFLICT = 0x6ffffef8,
 749   DT_GNU_LIBLIST = 0x6ffffef9,
 750   DT_CONFIG = 0x6ffffefa,
 751   DT_DEPAUDIT = 0x6ffffefb,
 752   DT_AUDIT = 0x6ffffefc,
 753   DT_PLTPAD = 0x6ffffefd,
 754   DT_MOVETAB = 0x6ffffefe,
 755   DT_SYMINFO = 0x6ffffeff,
 756   DT_ADDRRNGHI = 0x6ffffeff,
 757
 758   DT_RELACOUNT = 0x6ffffff9,
 759   DT_RELCOUNT = 0x6ffffffa,
 760   DT_FLAGS_1 = 0x6ffffffb,
 761   DT_VERDEF = 0x6ffffffc,
 762   DT_VERDEFNUM = 0x6ffffffd,
 763   DT_VERNEED = 0x6ffffffe,
 764   DT_VERNEEDNUM = 0x6fffffff,
 765
 766   DT_VERSYM = 0x6ffffff0,
 767
 768   // Specify the value of _GLOBAL_OFFSET_TABLE_.
 769   DT_PPC_GOT = 0x70000000,
 770
 771   // Specify whether various optimisations are possible.
 772   DT_PPC_OPT = 0x70000001,
 773
 774   // Specify the start of the .glink section.
 775   DT_PPC64_GLINK = 0x70000000,
 776
 777   // Specify the start and size of the .opd section.
 778   DT_PPC64_OPD = 0x70000001,
 779   DT_PPC64_OPDSZ = 0x70000002,
 780
 781   // Specify whether various optimisations are possible.
 782   DT_PPC64_OPT = 0x70000003,
 783
 784   // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB
 785   // symbol table.  One dynamic entry exists for every STT_SPARC_REGISTER
 786   // symbol in the symbol table.
 787   DT_SPARC_REGISTER = 0x70000001,
 788
 789   // MIPS specific dynamic array tags.
 790   // 32 bit version number for runtime linker interface.
 791   DT_MIPS_RLD_VERSION = 0x70000001,
 792   // Time stamp.
 793   DT_MIPS_TIME_STAMP = 0x70000002,
 794   // Checksum of external strings and common sizes.
 795   DT_MIPS_ICHECKSUM = 0x70000003,
 796   // Index of version string in string table.
 797   DT_MIPS_IVERSION = 0x70000004,
 798   // 32 bits of flags.
 799   DT_MIPS_FLAGS = 0x70000005,
 800   // Base address of the segment.
 801   DT_MIPS_BASE_ADDRESS = 0x70000006,
 802   // ???
 803   DT_MIPS_MSYM = 0x70000007,
 804   // Address of .conflict section.
 805   DT_MIPS_CONFLICT = 0x70000008,
 806   // Address of .liblist section.
 807   DT_MIPS_LIBLIST = 0x70000009,
 808   // Number of local global offset table entries.
 809   DT_MIPS_LOCAL_GOTNO = 0x7000000a,
 810   // Number of entries in the .conflict section.
 811   DT_MIPS_CONFLICTNO = 0x7000000b,
 812   // Number of entries in the .liblist section.
 813   DT_MIPS_LIBLISTNO = 0x70000010,
 814   // Number of entries in the .dynsym section.
 815   DT_MIPS_SYMTABNO = 0x70000011,
 816   // Index of first external dynamic symbol not referenced locally.
 817   DT_MIPS_UNREFEXTNO = 0x70000012,
 818   // Index of first dynamic symbol in global offset table.
 819   DT_MIPS_GOTSYM = 0x70000013,
 820   // Number of page table entries in global offset table.
 821   DT_MIPS_HIPAGENO = 0x70000014,
 822   // Address of run time loader map, used for debugging.
 823   DT_MIPS_RLD_MAP = 0x70000016,
 824   // Delta C++ class definition.
 825   DT_MIPS_DELTA_CLASS = 0x70000017,
 826   // Number of entries in DT_MIPS_DELTA_CLASS.
 827   DT_MIPS_DELTA_CLASS_NO = 0x70000018,
 828   // Delta C++ class instances.
 829   DT_MIPS_DELTA_INSTANCE = 0x70000019,
 830   // Number of entries in DT_MIPS_DELTA_INSTANCE.
 831   DT_MIPS_DELTA_INSTANCE_NO = 0x7000001a,
 832   // Delta relocations.
 833   DT_MIPS_DELTA_RELOC = 0x7000001b,
 834   // Number of entries in DT_MIPS_DELTA_RELOC.
 835   DT_MIPS_DELTA_RELOC_NO = 0x7000001c,
 836   // Delta symbols that Delta relocations refer to.
 837   DT_MIPS_DELTA_SYM = 0x7000001d,
 838   // Number of entries in DT_MIPS_DELTA_SYM.
 839   DT_MIPS_DELTA_SYM_NO = 0x7000001e,
 840   // Delta symbols that hold class declarations.
 841   DT_MIPS_DELTA_CLASSSYM = 0x70000020,
 842   // Number of entries in DT_MIPS_DELTA_CLASSSYM.
 843   DT_MIPS_DELTA_CLASSSYM_NO = 0x70000021,
 844   // Flags indicating information about C++ flavor.
 845   DT_MIPS_CXX_FLAGS = 0x70000022,
 846   // Pixie information (???).
 847   DT_MIPS_PIXIE_INIT = 0x70000023,
 848   // Address of .MIPS.symlib
 849   DT_MIPS_SYMBOL_LIB = 0x70000024,
 850   // The GOT index of the first PTE for a segment
 851   DT_MIPS_LOCALPAGE_GOTIDX = 0x70000025,
 852   // The GOT index of the first PTE for a local symbol
 853   DT_MIPS_LOCAL_GOTIDX = 0x70000026,
 854   // The GOT index of the first PTE for a hidden symbol
 855   DT_MIPS_HIDDEN_GOTIDX = 0x70000027,
 856   // The GOT index of the first PTE for a protected symbol
 857   DT_MIPS_PROTECTED_GOTIDX = 0x70000028,
 858   // Address of `.MIPS.options'.
 859   DT_MIPS_OPTIONS = 0x70000029,
 860   // Address of `.interface'.
 861   DT_MIPS_INTERFACE = 0x7000002a,
 862   // ???
 863   DT_MIPS_DYNSTR_ALIGN = 0x7000002b,
 864   // Size of the .interface section.
 865   DT_MIPS_INTERFACE_SIZE = 0x7000002c,
 866   // Size of rld_text_resolve function stored in the GOT.
 867   DT_MIPS_RLD_TEXT_RESOLVE_ADDR = 0x7000002d,
 868   // Default suffix of DSO to be added by rld on dlopen() calls.
 869   DT_MIPS_PERF_SUFFIX = 0x7000002e,
 870   // Size of compact relocation section (O32).
 871   DT_MIPS_COMPACT_SIZE = 0x7000002f,
 872   // GP value for auxiliary GOTs.
 873   DT_MIPS_GP_VALUE = 0x70000030,
 874   // Address of auxiliary .dynamic.
 875   DT_MIPS_AUX_DYNAMIC = 0x70000031,
 876   // Address of the base of the PLTGOT.
 877   DT_MIPS_PLTGOT = 0x70000032,
 878   // Points to the base of a writable PLT.
 879   DT_MIPS_RWPLT = 0x70000034,
 880   // Relative offset of run time loader map, used for debugging.
 881   DT_MIPS_RLD_MAP_REL = 0x70000035,
 882
 883   DT_AUXILIARY = 0x7ffffffd,
 884   DT_USED = 0x7ffffffe,
 885   DT_FILTER = 0x7fffffff
 886 };
 887
 888 // Flags found in the DT_FLAGS dynamic element.
 889
 890 enum DF
 891 {
 892   DF_ORIGIN = 0x1,
 893   DF_SYMBOLIC = 0x2,
 894   DF_TEXTREL = 0x4,
 895   DF_BIND_NOW = 0x8,
 896   DF_STATIC_TLS = 0x10
 897 };
 898
 899 // Flags found in the DT_FLAGS_1 dynamic element.
 900
 901 enum DF_1
 902 {
 903   DF_1_NOW = 0x1,
 904   DF_1_GLOBAL = 0x2,
 905   DF_1_GROUP = 0x4,
 906   DF_1_NODELETE = 0x8,
 907   DF_1_LOADFLTR = 0x10,
 908   DF_1_INITFIRST = 0x20,
 909   DF_1_NOOPEN = 0x40,
 910   DF_1_ORIGIN = 0x80,
 911   DF_1_DIRECT = 0x100,
 912   DF_1_TRANS = 0x200,
 913   DF_1_INTERPOSE = 0x400,
 914   DF_1_NODEFLIB = 0x800,
 915   DF_1_NODUMP = 0x1000,
 916   DF_1_CONLFAT = 0x2000,
 917   DF_1_PIE = 0x08000000
 918 };
 919
 920 // Version numbers which appear in the vd_version field of a Verdef
 921 // structure.
 922
 923 const int VER_DEF_NONE = 0;
 924 const int VER_DEF_CURRENT = 1;
 925
 926 // Version numbers which appear in the vn_version field of a Verneed
 927 // structure.
 928
 929 const int VER_NEED_NONE = 0;
 930 const int VER_NEED_CURRENT = 1;
 931
 932 // Bit flags which appear in vd_flags of Verdef and vna_flags of
 933 // Vernaux.
 934
 935 const int VER_FLG_BASE = 0x1;
 936 const int VER_FLG_WEAK = 0x2;
 937 const int VER_FLG_INFO = 0x4;
 938
 939 // Special constants found in the SHT_GNU_versym entries.
 940
 941 const int VER_NDX_LOCAL = 0;
 942 const int VER_NDX_GLOBAL = 1;
 943
 944 // A SHT_GNU_versym section holds 16-bit words.  This bit is set if
 945 // the symbol is hidden and can only be seen when referenced using an
 946 // explicit version number.  This is a GNU extension.
 947
 948 const int VERSYM_HIDDEN = 0x8000;
 949
 950 // This is the mask for the rest of the data in a word read from a
 951 // SHT_GNU_versym section.
 952
 953 const int VERSYM_VERSION = 0x7fff;
 954
 955 // Note descriptor type codes for notes in a non-core file with an
 956 // empty name.
 957
 958 enum
 959 {
 960   // A version string.
 961   NT_VERSION = 1,
 962   // An architecture string.
 963   NT_ARCH = 2
 964 };
 965
 966 // Note descriptor type codes for notes in a non-core file with the
 967 // name "GNU".
 968
 969 enum
 970 {
 971   // The minimum ABI level.  This is used by the dynamic linker to
 972   // describe the minimal kernel version on which a shared library may
 973   // be used.  Th value should be four words.  Word 0 is an OS
 974   // descriptor (see below).  Word 1 is the major version of the ABI.
 975   // Word 2 is the minor version.  Word 3 is the subminor version.
 976   NT_GNU_ABI_TAG = 1,
 977   // Hardware capabilities information.  Word 0 is the number of
 978   // entries.  Word 1 is a bitmask of enabled entries.  The rest of
 979   // the descriptor is a series of entries, where each entry is a
 980   // single byte followed by a nul terminated string.  The byte gives
 981   // the bit number to test if enabled in the bitmask.
 982   NT_GNU_HWCAP = 2,
 983   // The build ID as set by the linker's --build-id option.  The
 984   // format of the descriptor depends on the build ID style.
 985   NT_GNU_BUILD_ID = 3,
 986   // The version of gold used to link.  Th descriptor is just a
 987   // string.
 988   NT_GNU_GOLD_VERSION = 4,
 989   // Program property note, as described in "Linux Extensions to the gABI".
 990   NT_GNU_PROPERTY_TYPE_0 = 5
 991 };
 992
 993 // The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note.
 994
 995 enum
 996 {
 997   ELF_NOTE_OS_LINUX = 0,
 998   ELF_NOTE_OS_GNU = 1,
 999   ELF_NOTE_OS_SOLARIS2 = 2,
1000   ELF_NOTE_OS_FREEBSD = 3,
1001   ELF_NOTE_OS_NETBSD = 4,
1002   ELF_NOTE_OS_SYLLABLE = 5
1003 };
1004
1005 // Program property types for NT_GNU_PROPERTY_TYPE_0.
1006
1007 enum
1008 {
1009   GNU_PROPERTY_STACK_SIZE = 1,
1010   GNU_PROPERTY_NO_COPY_ON_PROTECTED = 2,
1011   GNU_PROPERTY_LOPROC = 0xc0000000,
1012   GNU_PROPERTY_X86_ISA_1_USED = 0xc0000000,
1013   GNU_PROPERTY_X86_ISA_1_NEEDED = 0xc0000001,
1014   GNU_PROPERTY_X86_FEATURE_1_AND = 0xc0000002,
1015   GNU_PROPERTY_HIPROC = 0xdfffffff,
1016   GNU_PROPERTY_LOUSER = 0xe0000000,
1017   GNU_PROPERTY_HIUSER = 0xffffffff
1018 };
1019
1020 } // End namespace elfcpp.
1021
1022 // Include internal details after defining the types.
1023 #include "elfcpp_internal.h"
1024
1025 namespace elfcpp
1026 {
1027
1028 // The offset of the ELF file header in the ELF file.
1029
1030 const int file_header_offset = 0;
1031
1032 // ELF structure sizes.
1033
1034 template<int size>
1035 struct Elf_sizes
1036 {
1037   // Size of ELF file header.
1038   static const int ehdr_size = sizeof(internal::Ehdr_data<size>);
1039   // Size of ELF segment header.
1040   static const int phdr_size = sizeof(internal::Phdr_data<size>);
1041   // Size of ELF section header.
1042   static const int shdr_size = sizeof(internal::Shdr_data<size>);
1043   // Size of ELF compression header.
1044   static const int chdr_size = sizeof(internal::Chdr_data<size>);
1045   // Size of ELF symbol table entry.
1046   static const int sym_size = sizeof(internal::Sym_data<size>);
1047   // Sizes of ELF reloc entries.
1048   static const int rel_size = sizeof(internal::Rel_data<size>);
1049   static const int rela_size = sizeof(internal::Rela_data<size>);
1050   // Size of ELF dynamic entry.
1051   static const int dyn_size = sizeof(internal::Dyn_data<size>);
1052   // Size of ELF version structures.
1053   static const int verdef_size = sizeof(internal::Verdef_data);
1054   static const int verdaux_size = sizeof(internal::Verdaux_data);
1055   static const int verneed_size = sizeof(internal::Verneed_data);
1056   static const int vernaux_size = sizeof(internal::Vernaux_data);
1057 };
1058
1059 // Accessor class for the ELF file header.
1060
1061 template<int size, bool big_endian>
1062 class Ehdr
1063 {
1064  public:
1065   Ehdr(const unsigned char* p)
1066     : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(p))
1067   { }
1068
1069   template<typename File>
1070   Ehdr(File* file, typename File::Location loc)
1071     : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(
1072            file->view(loc.file_offset, loc.data_size).data()))
1073   { }
1074
1075   const unsigned char*
1076   get_e_ident() const
1077   { return this->p_->e_ident; }
1078
1079   Elf_Half
1080   get_e_type() const
1081   { return Convert<16, big_endian>::convert_host(this->p_->e_type); }
1082
1083   Elf_Half
1084   get_e_machine() const
1085   { return Convert<16, big_endian>::convert_host(this->p_->e_machine); }
1086
1087   Elf_Word
1088   get_e_version() const
1089   { return Convert<32, big_endian>::convert_host(this->p_->e_version); }
1090
1091   typename Elf_types<size>::Elf_Addr
1092   get_e_entry() const
1093   { return Convert<size, big_endian>::convert_host(this->p_->e_entry); }
1094
1095   typename Elf_types<size>::Elf_Off
1096   get_e_phoff() const
1097   { return Convert<size, big_endian>::convert_host(this->p_->e_phoff); }
1098
1099   typename Elf_types<size>::Elf_Off
1100   get_e_shoff() const
1101   { return Convert<size, big_endian>::convert_host(this->p_->e_shoff); }
1102
1103   Elf_Word
1104   get_e_flags() const
1105   { return Convert<32, big_endian>::convert_host(this->p_->e_flags); }
1106
1107   Elf_Half
1108   get_e_ehsize() const
1109   { return Convert<16, big_endian>::convert_host(this->p_->e_ehsize); }
1110
1111   Elf_Half
1112   get_e_phentsize() const
1113   { return Convert<16, big_endian>::convert_host(this->p_->e_phentsize); }
1114
1115   Elf_Half
1116   get_e_phnum() const
1117   { return Convert<16, big_endian>::convert_host(this->p_->e_phnum); }
1118
1119   Elf_Half
1120   get_e_shentsize() const
1121   { return Convert<16, big_endian>::convert_host(this->p_->e_shentsize); }
1122
1123   Elf_Half
1124   get_e_shnum() const
1125   { return Convert<16, big_endian>::convert_host(this->p_->e_shnum); }
1126
1127   Elf_Half
1128   get_e_shstrndx() const
1129   { return Convert<16, big_endian>::convert_host(this->p_->e_shstrndx); }
1130
1131  private:
1132   const internal::Ehdr_data<size>* p_;
1133 };
1134
1135 // Write class for the ELF file header.
1136
1137 template<int size, bool big_endian>
1138 class Ehdr_write
1139 {
1140  public:
1141   Ehdr_write(unsigned char* p)
1142     : p_(reinterpret_cast<internal::Ehdr_data<size>*>(p))
1143   { }
1144
1145   void
1146   put_e_ident(const unsigned char v[EI_NIDENT]) const
1147   { memcpy(this->p_->e_ident, v, EI_NIDENT); }
1148
1149   void
1150   put_e_type(Elf_Half v)
1151   { this->p_->e_type = Convert<16, big_endian>::convert_host(v); }
1152
1153   void
1154   put_e_machine(Elf_Half v)
1155   { this->p_->e_machine = Convert<16, big_endian>::convert_host(v); }
1156
1157   void
1158   put_e_version(Elf_Word v)
1159   { this->p_->e_version = Convert<32, big_endian>::convert_host(v); }
1160
1161   void
1162   put_e_entry(typename Elf_types<size>::Elf_Addr v)
1163   { this->p_->e_entry = Convert<size, big_endian>::convert_host(v); }
1164
1165   void
1166   put_e_phoff(typename Elf_types<size>::Elf_Off v)
1167   { this->p_->e_phoff = Convert<size, big_endian>::convert_host(v); }
1168
1169   void
1170   put_e_shoff(typename Elf_types<size>::Elf_Off v)
1171   { this->p_->e_shoff = Convert<size, big_endian>::convert_host(v); }
1172
1173   void
1174   put_e_flags(Elf_Word v)
1175   { this->p_->e_flags = Convert<32, big_endian>::convert_host(v); }
1176
1177   void
1178   put_e_ehsize(Elf_Half v)
1179   { this->p_->e_ehsize = Convert<16, big_endian>::convert_host(v); }
1180
1181   void
1182   put_e_phentsize(Elf_Half v)
1183   { this->p_->e_phentsize = Convert<16, big_endian>::convert_host(v); }
1184
1185   void
1186   put_e_phnum(Elf_Half v)
1187   { this->p_->e_phnum = Convert<16, big_endian>::convert_host(v); }
1188
1189   void
1190   put_e_shentsize(Elf_Half v)
1191   { this->p_->e_shentsize = Convert<16, big_endian>::convert_host(v); }
1192
1193   void
1194   put_e_shnum(Elf_Half v)
1195   { this->p_->e_shnum = Convert<16, big_endian>::convert_host(v); }
1196
1197   void
1198   put_e_shstrndx(Elf_Half v)
1199   { this->p_->e_shstrndx = Convert<16, big_endian>::convert_host(v); }
1200
1201  private:
1202   internal::Ehdr_data<size>* p_;
1203 };
1204
1205 // Accessor class for an ELF section header.
1206
1207 template<int size, bool big_endian>
1208 class Shdr
1209 {
1210  public:
1211   Shdr(const unsigned char* p)
1212     : p_(reinterpret_cast<const internal::Shdr_data<size>*>(p))
1213   { }
1214
1215   template<typename File>
1216   Shdr(File* file, typename File::Location loc)
1217     : p_(reinterpret_cast<const internal::Shdr_data<size>*>(
1218            file->view(loc.file_offset, loc.data_size).data()))
1219   { }
1220
1221   Elf_Word
1222   get_sh_name() const
1223   { return Convert<32, big_endian>::convert_host(this->p_->sh_name); }
1224
1225   Elf_Word
1226   get_sh_type() const
1227   { return Convert<32, big_endian>::convert_host(this->p_->sh_type); }
1228
1229   typename Elf_types<size>::Elf_WXword
1230   get_sh_flags() const
1231   { return Convert<size, big_endian>::convert_host(this->p_->sh_flags); }
1232
1233   typename Elf_types<size>::Elf_Addr
1234   get_sh_addr() const
1235   { return Convert<size, big_endian>::convert_host(this->p_->sh_addr); }
1236
1237   typename Elf_types<size>::Elf_Off
1238   get_sh_offset() const
1239   { return Convert<size, big_endian>::convert_host(this->p_->sh_offset); }
1240
1241   typename Elf_types<size>::Elf_WXword
1242   get_sh_size() const
1243   { return Convert<size, big_endian>::convert_host(this->p_->sh_size); }
1244
1245   Elf_Word
1246   get_sh_link() const
1247   { return Convert<32, big_endian>::convert_host(this->p_->sh_link); }
1248
1249   Elf_Word
1250   get_sh_info() const
1251   { return Convert<32, big_endian>::convert_host(this->p_->sh_info); }
1252
1253   typename Elf_types<size>::Elf_WXword
1254   get_sh_addralign() const
1255   { return
1256       Convert<size, big_endian>::convert_host(this->p_->sh_addralign); }
1257
1258   typename Elf_types<size>::Elf_WXword
1259   get_sh_entsize() const
1260   { return Convert<size, big_endian>::convert_host(this->p_->sh_entsize); }
1261
1262  private:
1263   const internal::Shdr_data<size>* p_;
1264 };
1265
1266 // Write class for an ELF section header.
1267
1268 template<int size, bool big_endian>
1269 class Shdr_write
1270 {
1271  public:
1272   Shdr_write(unsigned char* p)
1273     : p_(reinterpret_cast<internal::Shdr_data<size>*>(p))
1274   { }
1275
1276   void
1277   put_sh_name(Elf_Word v)
1278   { this->p_->sh_name = Convert<32, big_endian>::convert_host(v); }
1279
1280   void
1281   put_sh_type(Elf_Word v)
1282   { this->p_->sh_type = Convert<32, big_endian>::convert_host(v); }
1283
1284   void
1285   put_sh_flags(typename Elf_types<size>::Elf_WXword v)
1286   { this->p_->sh_flags = Convert<size, big_endian>::convert_host(v); }
1287
1288   void
1289   put_sh_addr(typename Elf_types<size>::Elf_Addr v)
1290   { this->p_->sh_addr = Convert<size, big_endian>::convert_host(v); }
1291
1292   void
1293   put_sh_offset(typename Elf_types<size>::Elf_Off v)
1294   { this->p_->sh_offset = Convert<size, big_endian>::convert_host(v); }
1295
1296   void
1297   put_sh_size(typename Elf_types<size>::Elf_WXword v)
1298   { this->p_->sh_size = Convert<size, big_endian>::convert_host(v); }
1299
1300   void
1301   put_sh_link(Elf_Word v)
1302   { this->p_->sh_link = Convert<32, big_endian>::convert_host(v); }
1303
1304   void
1305   put_sh_info(Elf_Word v)
1306   { this->p_->sh_info = Convert<32, big_endian>::convert_host(v); }
1307
1308   void
1309   put_sh_addralign(typename Elf_types<size>::Elf_WXword v)
1310   { this->p_->sh_addralign = Convert<size, big_endian>::convert_host(v); }
1311
1312   void
1313   put_sh_entsize(typename Elf_types<size>::Elf_WXword v)
1314   { this->p_->sh_entsize = Convert<size, big_endian>::convert_host(v); }
1315
1316  private:
1317   internal::Shdr_data<size>* p_;
1318 };
1319
1320 // Accessor class for an ELF compression header.
1321
1322 template<int size, bool big_endian>
1323 class Chdr
1324 {
1325  public:
1326   Chdr(const unsigned char* p)
1327     : p_(reinterpret_cast<const internal::Chdr_data<size>*>(p))
1328   { }
1329
1330   template<typename File>
1331   Chdr(File* file, typename File::Location loc)
1332     : p_(reinterpret_cast<const internal::Chdr_data<size>*>(
1333            file->view(loc.file_offset, loc.data_size).data()))
1334   { }
1335
1336   Elf_Word
1337   get_ch_type() const
1338   { return Convert<size, big_endian>::convert_host(this->p_->ch_type); }
1339
1340   typename Elf_types<size>::Elf_WXword
1341   get_ch_size() const
1342   { return Convert<size, big_endian>::convert_host(this->p_->ch_size); }
1343
1344   typename Elf_types<size>::Elf_WXword
1345   get_ch_addralign() const
1346   { return
1347       Convert<size, big_endian>::convert_host(this->p_->ch_addralign); }
1348
1349  private:
1350   const internal::Chdr_data<size>* p_;
1351 };
1352
1353 // Write class for an ELF compression header.
1354
1355 template<int size, bool big_endian>
1356 class Chdr_write
1357 {
1358  public:
1359   Chdr_write(unsigned char* p)
1360     : p_(reinterpret_cast<internal::Chdr_data<size>*>(p))
1361   { }
1362
1363   void
1364   put_ch_type(typename Elf_types<size>::Elf_WXword v)
1365   { this->p_->ch_type = Convert<size, big_endian>::convert_host(v); }
1366
1367   void
1368   put_ch_size(typename Elf_types<size>::Elf_WXword v)
1369   { this->p_->ch_size = Convert<size, big_endian>::convert_host(v); }
1370
1371   void
1372   put_ch_addralign(typename Elf_types<size>::Elf_WXword v)
1373   { this->p_->ch_addralign = Convert<size, big_endian>::convert_host(v); }
1374
1375   void
1376   put_ch_reserved(Elf_Word);
1377
1378  private:
1379   internal::Chdr_data<size>* p_;
1380 };
1381
1382 template<>
1383 inline void
1384 elfcpp::Chdr_write<64, true>::put_ch_reserved(Elf_Word v)
1385 {
1386   this->p_->ch_reserved = v;
1387 }
1388
1389 template<>
1390 inline void
1391 elfcpp::Chdr_write<64, false>::put_ch_reserved(Elf_Word v)
1392 {
1393   this->p_->ch_reserved = v;
1394 }
1395
1396 // Accessor class for an ELF segment header.
1397
1398 template<int size, bool big_endian>
1399 class Phdr
1400 {
1401  public:
1402   Phdr(const unsigned char* p)
1403     : p_(reinterpret_cast<const internal::Phdr_data<size>*>(p))
1404   { }
1405
1406   template<typename File>
1407   Phdr(File* file, typename File::Location loc)
1408     : p_(reinterpret_cast<internal::Phdr_data<size>*>(
1409            file->view(loc.file_offset, loc.data_size).data()))
1410   { }
1411
1412   Elf_Word
1413   get_p_type() const
1414   { return Convert<32, big_endian>::convert_host(this->p_->p_type); }
1415
1416   typename Elf_types<size>::Elf_Off
1417   get_p_offset() const
1418   { return Convert<size, big_endian>::convert_host(this->p_->p_offset); }
1419
1420   typename Elf_types<size>::Elf_Addr
1421   get_p_vaddr() const
1422   { return Convert<size, big_endian>::convert_host(this->p_->p_vaddr); }
1423
1424   typename Elf_types<size>::Elf_Addr
1425   get_p_paddr() const
1426   { return Convert<size, big_endian>::convert_host(this->p_->p_paddr); }
1427
1428   typename Elf_types<size>::Elf_WXword
1429   get_p_filesz() const
1430   { return Convert<size, big_endian>::convert_host(this->p_->p_filesz); }
1431
1432   typename Elf_types<size>::Elf_WXword
1433   get_p_memsz() const
1434   { return Convert<size, big_endian>::convert_host(this->p_->p_memsz); }
1435
1436   Elf_Word
1437   get_p_flags() const
1438   { return Convert<32, big_endian>::convert_host(this->p_->p_flags); }
1439
1440   typename Elf_types<size>::Elf_WXword
1441   get_p_align() const
1442   { return Convert<size, big_endian>::convert_host(this->p_->p_align); }
1443
1444  private:
1445   const internal::Phdr_data<size>* p_;
1446 };
1447
1448 // Write class for an ELF segment header.
1449
1450 template<int size, bool big_endian>
1451 class Phdr_write
1452 {
1453  public:
1454   Phdr_write(unsigned char* p)
1455     : p_(reinterpret_cast<internal::Phdr_data<size>*>(p))
1456   { }
1457
1458   void
1459   put_p_type(Elf_Word v)
1460   { this->p_->p_type = Convert<32, big_endian>::convert_host(v); }
1461
1462   void
1463   put_p_offset(typename Elf_types<size>::Elf_Off v)
1464   { this->p_->p_offset = Convert<size, big_endian>::convert_host(v); }
1465
1466   void
1467   put_p_vaddr(typename Elf_types<size>::Elf_Addr v)
1468   { this->p_->p_vaddr = Convert<size, big_endian>::convert_host(v); }
1469
1470   void
1471   put_p_paddr(typename Elf_types<size>::Elf_Addr v)
1472   { this->p_->p_paddr = Convert<size, big_endian>::convert_host(v); }
1473
1474   void
1475   put_p_filesz(typename Elf_types<size>::Elf_WXword v)
1476   { this->p_->p_filesz = Convert<size, big_endian>::convert_host(v); }
1477
1478   void
1479   put_p_memsz(typename Elf_types<size>::Elf_WXword v)
1480   { this->p_->p_memsz = Convert<size, big_endian>::convert_host(v); }
1481
1482   void
1483   put_p_flags(Elf_Word v)
1484   { this->p_->p_flags = Convert<32, big_endian>::convert_host(v); }
1485
1486   void
1487   put_p_align(typename Elf_types<size>::Elf_WXword v)
1488   { this->p_->p_align = Convert<size, big_endian>::convert_host(v); }
1489
1490  private:
1491   internal::Phdr_data<size>* p_;
1492 };
1493
1494 // Accessor class for an ELF symbol table entry.
1495
1496 template<int size, bool big_endian>
1497 class Sym
1498 {
1499  public:
1500   Sym(const unsigned char* p)
1501     : p_(reinterpret_cast<const internal::Sym_data<size>*>(p))
1502   { }
1503
1504   template<typename File>
1505   Sym(File* file, typename File::Location loc)
1506     : p_(reinterpret_cast<const internal::Sym_data<size>*>(
1507            file->view(loc.file_offset, loc.data_size).data()))
1508   { }
1509
1510   Elf_Word
1511   get_st_name() const
1512   { return Convert<32, big_endian>::convert_host(this->p_->st_name); }
1513
1514   typename Elf_types<size>::Elf_Addr
1515   get_st_value() const
1516   { return Convert<size, big_endian>::convert_host(this->p_->st_value); }
1517
1518   typename Elf_types<size>::Elf_WXword
1519   get_st_size() const
1520   { return Convert<size, big_endian>::convert_host(this->p_->st_size); }
1521
1522   unsigned char
1523   get_st_info() const
1524   { return this->p_->st_info; }
1525
1526   STB
1527   get_st_bind() const
1528   { return elf_st_bind(this->get_st_info()); }
1529
1530   STT
1531   get_st_type() const
1532   { return elf_st_type(this->get_st_info()); }
1533
1534   unsigned char
1535   get_st_other() const
1536   { return this->p_->st_other; }
1537
1538   STV
1539   get_st_visibility() const
1540   { return elf_st_visibility(this->get_st_other()); }
1541
1542   unsigned char
1543   get_st_nonvis() const
1544   { return elf_st_nonvis(this->get_st_other()); }
1545
1546   Elf_Half
1547   get_st_shndx() const
1548   { return Convert<16, big_endian>::convert_host(this->p_->st_shndx); }
1549
1550  private:
1551   const internal::Sym_data<size>* p_;
1552 };
1553
1554 // Writer class for an ELF symbol table entry.
1555
1556 template<int size, bool big_endian>
1557 class Sym_write
1558 {
1559  public:
1560   Sym_write(unsigned char* p)
1561     : p_(reinterpret_cast<internal::Sym_data<size>*>(p))
1562   { }
1563
1564   void
1565   put_st_name(Elf_Word v)
1566   { this->p_->st_name = Convert<32, big_endian>::convert_host(v); }
1567
1568   void
1569   put_st_value(typename Elf_types<size>::Elf_Addr v)
1570   { this->p_->st_value = Convert<size, big_endian>::convert_host(v); }
1571
1572   void
1573   put_st_size(typename Elf_types<size>::Elf_WXword v)
1574   { this->p_->st_size = Convert<size, big_endian>::convert_host(v); }
1575
1576   void
1577   put_st_info(unsigned char v)
1578   { this->p_->st_info = v; }
1579
1580   void
1581   put_st_info(STB bind, STT type)
1582   { this->p_->st_info = elf_st_info(bind, type); }
1583
1584   void
1585   put_st_other(unsigned char v)
1586   { this->p_->st_other = v; }
1587
1588   void
1589   put_st_other(STV vis, unsigned char nonvis)
1590   { this->p_->st_other = elf_st_other(vis, nonvis); }
1591
1592   void
1593   put_st_shndx(Elf_Half v)
1594   { this->p_->st_shndx = Convert<16, big_endian>::convert_host(v); }
1595
1596   Sym<size, big_endian>
1597   sym()
1598   { return Sym<size, big_endian>(reinterpret_cast<unsigned char*>(this->p_)); }
1599
1600  private:
1601   internal::Sym_data<size>* p_;
1602 };
1603
1604 // Accessor classes for an ELF REL relocation entry.
1605
1606 template<int size, bool big_endian>
1607 class Rel
1608 {
1609  public:
1610   Rel(const unsigned char* p)
1611     : p_(reinterpret_cast<const internal::Rel_data<size>*>(p))
1612   { }
1613
1614   template<typename File>
1615   Rel(File* file, typename File::Location loc)
1616     : p_(reinterpret_cast<const internal::Rel_data<size>*>(
1617            file->view(loc.file_offset, loc.data_size).data()))
1618   { }
1619
1620   typename Elf_types<size>::Elf_Addr
1621   get_r_offset() const
1622   { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1623
1624   typename Elf_types<size>::Elf_WXword
1625   get_r_info() const
1626   { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1627
1628  private:
1629   const internal::Rel_data<size>* p_;
1630 };
1631
1632 // Writer class for an ELF Rel relocation.
1633
1634 template<int size, bool big_endian>
1635 class Rel_write
1636 {
1637  public:
1638   Rel_write(unsigned char* p)
1639     : p_(reinterpret_cast<internal::Rel_data<size>*>(p))
1640   { }
1641
1642   void
1643   put_r_offset(typename Elf_types<size>::Elf_Addr v)
1644   { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1645
1646   void
1647   put_r_info(typename Elf_types<size>::Elf_WXword v)
1648   { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1649
1650  private:
1651   internal::Rel_data<size>* p_;
1652 };
1653
1654 // Accessor class for an ELF Rela relocation.
1655
1656 template<int size, bool big_endian>
1657 class Rela
1658 {
1659  public:
1660   Rela(const unsigned char* p)
1661     : p_(reinterpret_cast<const internal::Rela_data<size>*>(p))
1662   { }
1663
1664   template<typename File>
1665   Rela(File* file, typename File::Location loc)
1666     : p_(reinterpret_cast<const internal::Rela_data<size>*>(
1667            file->view(loc.file_offset, loc.data_size).data()))
1668   { }
1669
1670   typename Elf_types<size>::Elf_Addr
1671   get_r_offset() const
1672   { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1673
1674   typename Elf_types<size>::Elf_WXword
1675   get_r_info() const
1676   { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1677
1678   typename Elf_types<size>::Elf_Swxword
1679   get_r_addend() const
1680   { return Convert<size, big_endian>::convert_host(this->p_->r_addend); }
1681
1682  private:
1683   const internal::Rela_data<size>* p_;
1684 };
1685
1686 // Writer class for an ELF Rela relocation.
1687
1688 template<int size, bool big_endian>
1689 class Rela_write
1690 {
1691  public:
1692   Rela_write(unsigned char* p)
1693     : p_(reinterpret_cast<internal::Rela_data<size>*>(p))
1694   { }
1695
1696   void
1697   put_r_offset(typename Elf_types<size>::Elf_Addr v)
1698   { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1699
1700   void
1701   put_r_info(typename Elf_types<size>::Elf_WXword v)
1702   { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1703
1704   void
1705   put_r_addend(typename Elf_types<size>::Elf_Swxword v)
1706   { this->p_->r_addend = Convert<size, big_endian>::convert_host(v); }
1707
1708  private:
1709   internal::Rela_data<size>* p_;
1710 };
1711
1712 // MIPS-64 has a non-standard relocation layout.
1713
1714 template<bool big_endian>
1715 class Mips64_rel
1716 {
1717  public:
1718   Mips64_rel(const unsigned char* p)
1719     : p_(reinterpret_cast<const internal::Mips64_rel_data*>(p))
1720   { }
1721
1722   template<typename File>
1723   Mips64_rel(File* file, typename File::Location loc)
1724     : p_(reinterpret_cast<const internal::Mips64_rel_data*>(
1725            file->view(loc.file_offset, loc.data_size).data()))
1726   { }
1727
1728   typename Elf_types<64>::Elf_Addr
1729   get_r_offset() const
1730   { return Convert<64, big_endian>::convert_host(this->p_->r_offset); }
1731
1732   Elf_Word
1733   get_r_sym() const
1734   { return Convert<32, big_endian>::convert_host(this->p_->r_sym); }
1735
1736   unsigned char
1737   get_r_ssym() const
1738   { return this->p_->r_ssym; }
1739
1740   unsigned char
1741   get_r_type() const
1742   { return this->p_->r_type; }
1743
1744   unsigned char
1745   get_r_type2() const
1746   { return this->p_->r_type2; }
1747
1748   unsigned char
1749   get_r_type3() const
1750   { return this->p_->r_type3; }
1751
1752  private:
1753   const internal::Mips64_rel_data* p_;
1754 };
1755
1756 template<bool big_endian>
1757 class Mips64_rel_write
1758 {
1759  public:
1760   Mips64_rel_write(unsigned char* p)
1761     : p_(reinterpret_cast<internal::Mips64_rel_data*>(p))
1762   { }
1763
1764   void
1765   put_r_offset(typename Elf_types<64>::Elf_Addr v)
1766   { this->p_->r_offset = Convert<64, big_endian>::convert_host(v); }
1767
1768   void
1769   put_r_sym(Elf_Word v)
1770   { this->p_->r_sym = Convert<32, big_endian>::convert_host(v); }
1771
1772   void
1773   put_r_ssym(unsigned char v)
1774   { this->p_->r_ssym = v; }
1775
1776   void
1777   put_r_type(unsigned char v)
1778   { this->p_->r_type = v; }
1779
1780   void
1781   put_r_type2(unsigned char v)
1782   { this->p_->r_type2 = v; }
1783
1784   void
1785   put_r_type3(unsigned char v)
1786   { this->p_->r_type3 = v; }
1787
1788  private:
1789   internal::Mips64_rel_data* p_;
1790 };
1791
1792 template<bool big_endian>
1793 class Mips64_rela
1794 {
1795  public:
1796   Mips64_rela(const unsigned char* p)
1797     : p_(reinterpret_cast<const internal::Mips64_rela_data*>(p))
1798   { }
1799
1800   template<typename File>
1801   Mips64_rela(File* file, typename File::Location loc)
1802     : p_(reinterpret_cast<const internal::Mips64_rela_data*>(
1803            file->view(loc.file_offset, loc.data_size).data()))
1804   { }
1805
1806   typename Elf_types<64>::Elf_Addr
1807   get_r_offset() const
1808   { return Convert<64, big_endian>::convert_host(this->p_->r_offset); }
1809
1810   Elf_Word
1811   get_r_sym() const
1812   { return Convert<32, big_endian>::convert_host(this->p_->r_sym); }
1813
1814   unsigned char
1815   get_r_ssym() const
1816   { return this->p_->r_ssym; }
1817
1818   unsigned char
1819   get_r_type() const
1820   { return this->p_->r_type; }
1821
1822   unsigned char
1823   get_r_type2() const
1824   { return this->p_->r_type2; }
1825
1826   unsigned char
1827   get_r_type3() const
1828   { return this->p_->r_type3; }
1829
1830   typename Elf_types<64>::Elf_Swxword
1831   get_r_addend() const
1832   { return Convert<64, big_endian>::convert_host(this->p_->r_addend); }
1833
1834  private:
1835   const internal::Mips64_rela_data* p_;
1836 };
1837
1838 template<bool big_endian>
1839 class Mips64_rela_write
1840 {
1841  public:
1842   Mips64_rela_write(unsigned char* p)
1843     : p_(reinterpret_cast<internal::Mips64_rela_data*>(p))
1844   { }
1845
1846   void
1847   put_r_offset(typename Elf_types<64>::Elf_Addr v)
1848   { this->p_->r_offset = Convert<64, big_endian>::convert_host(v); }
1849
1850   void
1851   put_r_sym(Elf_Word v)
1852   { this->p_->r_sym = Convert<32, big_endian>::convert_host(v); }
1853
1854   void
1855   put_r_ssym(unsigned char v)
1856   { this->p_->r_ssym = v; }
1857
1858   void
1859   put_r_type(unsigned char v)
1860   { this->p_->r_type = v; }
1861
1862   void
1863   put_r_type2(unsigned char v)
1864   { this->p_->r_type2 = v; }
1865
1866   void
1867   put_r_type3(unsigned char v)
1868   { this->p_->r_type3 = v; }
1869
1870   void
1871   put_r_addend(typename Elf_types<64>::Elf_Swxword v)
1872   { this->p_->r_addend = Convert<64, big_endian>::convert_host(v); }
1873
1874  private:
1875   internal::Mips64_rela_data* p_;
1876 };
1877
1878 // Accessor classes for entries in the ELF SHT_DYNAMIC section aka
1879 // PT_DYNAMIC segment.
1880
1881 template<int size, bool big_endian>
1882 class Dyn
1883 {
1884  public:
1885   Dyn(const unsigned char* p)
1886     : p_(reinterpret_cast<const internal::Dyn_data<size>*>(p))
1887   { }
1888
1889   template<typename File>
1890   Dyn(File* file, typename File::Location loc)
1891     : p_(reinterpret_cast<const internal::Dyn_data<size>*>(
1892            file->view(loc.file_offset, loc.data_size).data()))
1893   { }
1894
1895   typename Elf_types<size>::Elf_Swxword
1896   get_d_tag() const
1897   { return Convert<size, big_endian>::convert_host(this->p_->d_tag); }
1898
1899   typename Elf_types<size>::Elf_WXword
1900   get_d_val() const
1901   { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1902
1903   typename Elf_types<size>::Elf_Addr
1904   get_d_ptr() const
1905   { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1906
1907  private:
1908   const internal::Dyn_data<size>* p_;
1909 };
1910
1911 // Write class for an entry in the SHT_DYNAMIC section.
1912
1913 template<int size, bool big_endian>
1914 class Dyn_write
1915 {
1916  public:
1917   Dyn_write(unsigned char* p)
1918     : p_(reinterpret_cast<internal::Dyn_data<size>*>(p))
1919   { }
1920
1921   void
1922   put_d_tag(typename Elf_types<size>::Elf_Swxword v)
1923   { this->p_->d_tag = Convert<size, big_endian>::convert_host(v); }
1924
1925   void
1926   put_d_val(typename Elf_types<size>::Elf_WXword v)
1927   { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1928
1929   void
1930   put_d_ptr(typename Elf_types<size>::Elf_Addr v)
1931   { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1932
1933  private:
1934   internal::Dyn_data<size>* p_;
1935 };
1936
1937 // Accessor classes for entries in the ELF SHT_GNU_verdef section.
1938
1939 template<int size, bool big_endian>
1940 class Verdef
1941 {
1942  public:
1943   Verdef(const unsigned char* p)
1944     : p_(reinterpret_cast<const internal::Verdef_data*>(p))
1945   { }
1946
1947   template<typename File>
1948   Verdef(File* file, typename File::Location loc)
1949     : p_(reinterpret_cast<const internal::Verdef_data*>(
1950            file->view(loc.file_offset, loc.data_size).data()))
1951   { }
1952
1953   Elf_Half
1954   get_vd_version() const
1955   { return Convert<16, big_endian>::convert_host(this->p_->vd_version); }
1956
1957   Elf_Half
1958   get_vd_flags() const
1959   { return Convert<16, big_endian>::convert_host(this->p_->vd_flags); }
1960
1961   Elf_Half
1962   get_vd_ndx() const
1963   { return Convert<16, big_endian>::convert_host(this->p_->vd_ndx); }
1964
1965   Elf_Half
1966   get_vd_cnt() const
1967   { return Convert<16, big_endian>::convert_host(this->p_->vd_cnt); }
1968
1969   Elf_Word
1970   get_vd_hash() const
1971   { return Convert<32, big_endian>::convert_host(this->p_->vd_hash); }
1972
1973   Elf_Word
1974   get_vd_aux() const
1975   { return Convert<32, big_endian>::convert_host(this->p_->vd_aux); }
1976
1977   Elf_Word
1978   get_vd_next() const
1979   { return Convert<32, big_endian>::convert_host(this->p_->vd_next); }
1980
1981  private:
1982   const internal::Verdef_data* p_;
1983 };
1984
1985 template<int size, bool big_endian>
1986 class Verdef_write
1987 {
1988  public:
1989   Verdef_write(unsigned char* p)
1990     : p_(reinterpret_cast<internal::Verdef_data*>(p))
1991   { }
1992
1993   void
1994   set_vd_version(Elf_Half v)
1995   { this->p_->vd_version = Convert<16, big_endian>::convert_host(v); }
1996
1997   void
1998   set_vd_flags(Elf_Half v)
1999   { this->p_->vd_flags = Convert<16, big_endian>::convert_host(v); }
2000
2001   void
2002   set_vd_ndx(Elf_Half v)
2003   { this->p_->vd_ndx = Convert<16, big_endian>::convert_host(v); }
2004
2005   void
2006   set_vd_cnt(Elf_Half v)
2007   { this->p_->vd_cnt = Convert<16, big_endian>::convert_host(v); }
2008
2009   void
2010   set_vd_hash(Elf_Word v)
2011   { this->p_->vd_hash = Convert<32, big_endian>::convert_host(v); }
2012
2013   void
2014   set_vd_aux(Elf_Word v)
2015   { this->p_->vd_aux = Convert<32, big_endian>::convert_host(v); }
2016
2017   void
2018   set_vd_next(Elf_Word v)
2019   { this->p_->vd_next = Convert<32, big_endian>::convert_host(v); }
2020
2021  private:
2022   internal::Verdef_data* p_;
2023 };
2024
2025 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef
2026 // section.
2027
2028 template<int size, bool big_endian>
2029 class Verdaux
2030 {
2031  public:
2032   Verdaux(const unsigned char* p)
2033     : p_(reinterpret_cast<const internal::Verdaux_data*>(p))
2034   { }
2035
2036   template<typename File>
2037   Verdaux(File* file, typename File::Location loc)
2038     : p_(reinterpret_cast<const internal::Verdaux_data*>(
2039            file->view(loc.file_offset, loc.data_size).data()))
2040   { }
2041
2042   Elf_Word
2043   get_vda_name() const
2044   { return Convert<32, big_endian>::convert_host(this->p_->vda_name); }
2045
2046   Elf_Word
2047   get_vda_next() const
2048   { return Convert<32, big_endian>::convert_host(this->p_->vda_next); }
2049
2050  private:
2051   const internal::Verdaux_data* p_;
2052 };
2053
2054 template<int size, bool big_endian>
2055 class Verdaux_write
2056 {
2057  public:
2058   Verdaux_write(unsigned char* p)
2059     : p_(reinterpret_cast<internal::Verdaux_data*>(p))
2060   { }
2061
2062   void
2063   set_vda_name(Elf_Word v)
2064   { this->p_->vda_name = Convert<32, big_endian>::convert_host(v); }
2065
2066   void
2067   set_vda_next(Elf_Word v)
2068   { this->p_->vda_next = Convert<32, big_endian>::convert_host(v); }
2069
2070  private:
2071   internal::Verdaux_data* p_;
2072 };
2073
2074 // Accessor classes for entries in the ELF SHT_GNU_verneed section.
2075
2076 template<int size, bool big_endian>
2077 class Verneed
2078 {
2079  public:
2080   Verneed(const unsigned char* p)
2081     : p_(reinterpret_cast<const internal::Verneed_data*>(p))
2082   { }
2083
2084   template<typename File>
2085   Verneed(File* file, typename File::Location loc)
2086     : p_(reinterpret_cast<const internal::Verneed_data*>(
2087            file->view(loc.file_offset, loc.data_size).data()))
2088   { }
2089
2090   Elf_Half
2091   get_vn_version() const
2092   { return Convert<16, big_endian>::convert_host(this->p_->vn_version); }
2093
2094   Elf_Half
2095   get_vn_cnt() const
2096   { return Convert<16, big_endian>::convert_host(this->p_->vn_cnt); }
2097
2098   Elf_Word
2099   get_vn_file() const
2100   { return Convert<32, big_endian>::convert_host(this->p_->vn_file); }
2101
2102   Elf_Word
2103   get_vn_aux() const
2104   { return Convert<32, big_endian>::convert_host(this->p_->vn_aux); }
2105
2106   Elf_Word
2107   get_vn_next() const
2108   { return Convert<32, big_endian>::convert_host(this->p_->vn_next); }
2109
2110  private:
2111   const internal::Verneed_data* p_;
2112 };
2113
2114 template<int size, bool big_endian>
2115 class Verneed_write
2116 {
2117  public:
2118   Verneed_write(unsigned char* p)
2119     : p_(reinterpret_cast<internal::Verneed_data*>(p))
2120   { }
2121
2122   void
2123   set_vn_version(Elf_Half v)
2124   { this->p_->vn_version = Convert<16, big_endian>::convert_host(v); }
2125
2126   void
2127   set_vn_cnt(Elf_Half v)
2128   { this->p_->vn_cnt = Convert<16, big_endian>::convert_host(v); }
2129
2130   void
2131   set_vn_file(Elf_Word v)
2132   { this->p_->vn_file = Convert<32, big_endian>::convert_host(v); }
2133
2134   void
2135   set_vn_aux(Elf_Word v)
2136   { this->p_->vn_aux = Convert<32, big_endian>::convert_host(v); }
2137
2138   void
2139   set_vn_next(Elf_Word v)
2140   { this->p_->vn_next = Convert<32, big_endian>::convert_host(v); }
2141
2142  private:
2143   internal::Verneed_data* p_;
2144 };
2145
2146 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed
2147 // section.
2148
2149 template<int size, bool big_endian>
2150 class Vernaux
2151 {
2152  public:
2153   Vernaux(const unsigned char* p)
2154     : p_(reinterpret_cast<const internal::Vernaux_data*>(p))
2155   { }
2156
2157   template<typename File>
2158   Vernaux(File* file, typename File::Location loc)
2159     : p_(reinterpret_cast<const internal::Vernaux_data*>(
2160            file->view(loc.file_offset, loc.data_size).data()))
2161   { }
2162
2163   Elf_Word
2164   get_vna_hash() const
2165   { return Convert<32, big_endian>::convert_host(this->p_->vna_hash); }
2166
2167   Elf_Half
2168   get_vna_flags() const
2169   { return Convert<16, big_endian>::convert_host(this->p_->vna_flags); }
2170
2171   Elf_Half
2172   get_vna_other() const
2173   { return Convert<16, big_endian>::convert_host(this->p_->vna_other); }
2174
2175   Elf_Word
2176   get_vna_name() const
2177   { return Convert<32, big_endian>::convert_host(this->p_->vna_name); }
2178
2179   Elf_Word
2180   get_vna_next() const
2181   { return Convert<32, big_endian>::convert_host(this->p_->vna_next); }
2182
2183  private:
2184   const internal::Vernaux_data* p_;
2185 };
2186
2187 template<int size, bool big_endian>
2188 class Vernaux_write
2189 {
2190  public:
2191   Vernaux_write(unsigned char* p)
2192     : p_(reinterpret_cast<internal::Vernaux_data*>(p))
2193   { }
2194
2195   void
2196   set_vna_hash(Elf_Word v)
2197   { this->p_->vna_hash = Convert<32, big_endian>::convert_host(v); }
2198
2199   void
2200   set_vna_flags(Elf_Half v)
2201   { this->p_->vna_flags = Convert<16, big_endian>::convert_host(v); }
2202
2203   void
2204   set_vna_other(Elf_Half v)
2205   { this->p_->vna_other = Convert<16, big_endian>::convert_host(v); }
2206
2207   void
2208   set_vna_name(Elf_Word v)
2209   { this->p_->vna_name = Convert<32, big_endian>::convert_host(v); }
2210
2211   void
2212   set_vna_next(Elf_Word v)
2213   { this->p_->vna_next = Convert<32, big_endian>::convert_host(v); }
2214
2215  private:
2216   internal::Vernaux_data* p_;
2217 };
2218
2219 } // End namespace elfcpp.
2220
2221 #endif // !defined(ELFPCP_H)