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   // CSKY-specific section types.
 417   // Object file compatibility attributes.
 418   SHT_CSKY_ATTRIBUTES = 0x70000001,
 419
 420   // Link editor is to sort the entries in this section based on the
 421   // address specified in the associated symbol table entry.
 422   SHT_ORDERED = 0x7fffffff
 423 };
 424
 425 // The valid bit flags found in the Shdr sh_flags field.
 426
 427 enum SHF
 428 {
 429   SHF_WRITE = 0x1,
 430   SHF_ALLOC = 0x2,
 431   SHF_EXECINSTR = 0x4,
 432   SHF_MERGE = 0x10,
 433   SHF_STRINGS = 0x20,
 434   SHF_INFO_LINK = 0x40,
 435   SHF_LINK_ORDER = 0x80,
 436   SHF_OS_NONCONFORMING = 0x100,
 437   SHF_GROUP = 0x200,
 438   SHF_TLS = 0x400,
 439   SHF_COMPRESSED = 0x800,
 440   SHF_MASKOS = 0x0ff00000,
 441   SHF_GNU_RETAIN = 0x200000,
 442   SHF_MASKPROC = 0xf0000000,
 443
 444   // Indicates this section requires ordering in relation to
 445   // other sections of the same type.  Ordered sections are
 446   // combined within the section pointed to by the sh_link entry.
 447   // The sh_info values SHN_BEFORE and SHN_AFTER imply that the
 448   // sorted section is to precede or follow, respectively, all
 449   // other sections in the set being ordered.
 450   SHF_ORDERED = 0x40000000,
 451   // This section is excluded from input to the link-edit of an
 452   // executable or shared object.  This flag is ignored if SHF_ALLOC
 453   // is also set, or if relocations exist against the section.
 454   SHF_EXCLUDE = 0x80000000,
 455
 456   // Section with data that is GP relative addressable.
 457   SHF_MIPS_GPREL = 0x10000000,
 458
 459   // x86_64 specific large section.
 460   SHF_X86_64_LARGE = 0x10000000
 461 };
 462
 463 // Values which appear in the first Elf_WXword of the section data
 464 // of a SHF_COMPRESSED section.
 465 enum
 466 {
 467   ELFCOMPRESS_ZLIB = 1,
 468   ELFCOMPRESS_LOOS = 0x60000000,
 469   ELFCOMPRESS_HIOS = 0x6fffffff,
 470   ELFCOMPRESS_LOPROC = 0x70000000,
 471   ELFCOMPRESS_HIPROC = 0x7fffffff,
 472 };
 473
 474 // Bit flags which appear in the first 32-bit word of the section data
 475 // of a SHT_GROUP section.
 476
 477 enum
 478 {
 479   GRP_COMDAT = 0x1,
 480   GRP_MASKOS = 0x0ff00000,
 481   GRP_MASKPROC = 0xf0000000
 482 };
 483
 484 // The valid values found in the Phdr p_type field.
 485
 486 enum PT
 487 {
 488   PT_NULL = 0,
 489   PT_LOAD = 1,
 490   PT_DYNAMIC = 2,
 491   PT_INTERP = 3,
 492   PT_NOTE = 4,
 493   PT_SHLIB = 5,
 494   PT_PHDR = 6,
 495   PT_TLS = 7,
 496   PT_LOOS = 0x60000000,
 497   PT_HIOS = 0x6fffffff,
 498   PT_LOPROC = 0x70000000,
 499   PT_HIPROC = 0x7fffffff,
 500   // The remaining values are not in the standard.
 501   // Frame unwind information.
 502   PT_GNU_EH_FRAME = 0x6474e550,
 503   PT_SUNW_EH_FRAME = 0x6474e550,
 504   // Stack flags.
 505   PT_GNU_STACK = 0x6474e551,
 506   // Read only after relocation.
 507   PT_GNU_RELRO = 0x6474e552,
 508   // Platform architecture compatibility information
 509   PT_ARM_ARCHEXT = 0x70000000,
 510   // Exception unwind tables
 511   PT_ARM_EXIDX = 0x70000001,
 512   // Register usage information.  Identifies one .reginfo section.
 513   PT_MIPS_REGINFO =0x70000000,
 514   // Runtime procedure table.
 515   PT_MIPS_RTPROC = 0x70000001,
 516   // .MIPS.options section.
 517   PT_MIPS_OPTIONS = 0x70000002,
 518   // .MIPS.abiflags section.
 519   PT_MIPS_ABIFLAGS = 0x70000003,
 520   // Platform architecture compatibility information
 521   PT_AARCH64_ARCHEXT = 0x70000000,
 522   // Exception unwind tables
 523   PT_AARCH64_UNWIND = 0x70000001,
 524   // 4k page table size
 525   PT_S390_PGSTE = 0x70000000,
 526 };
 527
 528 // The valid bit flags found in the Phdr p_flags field.
 529
 530 enum PF
 531 {
 532   PF_X = 0x1,
 533   PF_W = 0x2,
 534   PF_R = 0x4,
 535   PF_MASKOS = 0x0ff00000,
 536   PF_MASKPROC = 0xf0000000
 537 };
 538
 539 // Symbol binding from Sym st_info field.
 540
 541 enum STB
 542 {
 543   STB_LOCAL = 0,
 544   STB_GLOBAL = 1,
 545   STB_WEAK = 2,
 546   STB_LOOS = 10,
 547   STB_GNU_UNIQUE = 10,
 548   STB_HIOS = 12,
 549   STB_LOPROC = 13,
 550   STB_HIPROC = 15
 551 };
 552
 553 // Symbol types from Sym st_info field.
 554
 555 enum STT
 556 {
 557   STT_NOTYPE = 0,
 558   STT_OBJECT = 1,
 559   STT_FUNC = 2,
 560   STT_SECTION = 3,
 561   STT_FILE = 4,
 562   STT_COMMON = 5,
 563   STT_TLS = 6,
 564
 565   // GNU extension: symbol value points to a function which is called
 566   // at runtime to determine the final value of the symbol.
 567   STT_GNU_IFUNC = 10,
 568
 569   STT_LOOS = 10,
 570   STT_HIOS = 12,
 571   STT_LOPROC = 13,
 572   STT_HIPROC = 15,
 573
 574   // The section type that must be used for register symbols on
 575   // Sparc.  These symbols initialize a global register.
 576   STT_SPARC_REGISTER = 13,
 577
 578   // ARM: a THUMB function.  This is not defined in ARM ELF Specification but
 579   // used by the GNU tool-chain.
 580   STT_ARM_TFUNC = 13
 581 };
 582
 583 inline STB
 584 elf_st_bind(unsigned char info)
 585 {
 586   return static_cast<STB>(info >> 4);
 587 }
 588
 589 inline STT
 590 elf_st_type(unsigned char info)
 591 {
 592   return static_cast<STT>(info & 0xf);
 593 }
 594
 595 inline unsigned char
 596 elf_st_info(STB bind, STT type)
 597 {
 598   return ((static_cast<unsigned char>(bind) << 4)
 599           + (static_cast<unsigned char>(type) & 0xf));
 600 }
 601
 602 // Symbol visibility from Sym st_other field.
 603
 604 enum STV
 605 {
 606   STV_DEFAULT = 0,
 607   STV_INTERNAL = 1,
 608   STV_HIDDEN = 2,
 609   STV_PROTECTED = 3
 610 };
 611
 612 inline STV
 613 elf_st_visibility(unsigned char other)
 614 {
 615   return static_cast<STV>(other & 0x3);
 616 }
 617
 618 inline unsigned char
 619 elf_st_nonvis(unsigned char other)
 620 {
 621   return static_cast<STV>(other >> 2);
 622 }
 623
 624 inline unsigned char
 625 elf_st_other(STV vis, unsigned char nonvis)
 626 {
 627   return ((nonvis << 2)
 628           + (static_cast<unsigned char>(vis) & 3));
 629 }
 630
 631 // Reloc information from Rel/Rela r_info field.
 632
 633 template<int size>
 634 unsigned int
 635 elf_r_sym(typename Elf_types<size>::Elf_WXword);
 636
 637 template<>
 638 inline unsigned int
 639 elf_r_sym<32>(Elf_Word v)
 640 {
 641   return v >> 8;
 642 }
 643
 644 template<>
 645 inline unsigned int
 646 elf_r_sym<64>(Elf_Xword v)
 647 {
 648   return v >> 32;
 649 }
 650
 651 template<int size>
 652 unsigned int
 653 elf_r_type(typename Elf_types<size>::Elf_WXword);
 654
 655 template<>
 656 inline unsigned int
 657 elf_r_type<32>(Elf_Word v)
 658 {
 659   return v & 0xff;
 660 }
 661
 662 template<>
 663 inline unsigned int
 664 elf_r_type<64>(Elf_Xword v)
 665 {
 666   return v & 0xffffffff;
 667 }
 668
 669 template<int size>
 670 typename Elf_types<size>::Elf_WXword
 671 elf_r_info(unsigned int s, unsigned int t);
 672
 673 template<>
 674 inline Elf_Word
 675 elf_r_info<32>(unsigned int s, unsigned int t)
 676 {
 677   return (s << 8) + (t & 0xff);
 678 }
 679
 680 template<>
 681 inline Elf_Xword
 682 elf_r_info<64>(unsigned int s, unsigned int t)
 683 {
 684   return (static_cast<Elf_Xword>(s) << 32) + (t & 0xffffffff);
 685 }
 686
 687 // Dynamic tags found in the PT_DYNAMIC segment.
 688
 689 enum DT
 690 {
 691   DT_NULL = 0,
 692   DT_NEEDED = 1,
 693   DT_PLTRELSZ = 2,
 694   DT_PLTGOT = 3,
 695   DT_HASH = 4,
 696   DT_STRTAB = 5,
 697   DT_SYMTAB = 6,
 698   DT_RELA = 7,
 699   DT_RELASZ = 8,
 700   DT_RELAENT = 9,
 701   DT_STRSZ = 10,
 702   DT_SYMENT = 11,
 703   DT_INIT = 12,
 704   DT_FINI = 13,
 705   DT_SONAME = 14,
 706   DT_RPATH = 15,
 707   DT_SYMBOLIC = 16,
 708   DT_REL = 17,
 709   DT_RELSZ = 18,
 710   DT_RELENT = 19,
 711   DT_PLTREL = 20,
 712   DT_DEBUG = 21,
 713   DT_TEXTREL = 22,
 714   DT_JMPREL = 23,
 715   DT_BIND_NOW = 24,
 716   DT_INIT_ARRAY = 25,
 717   DT_FINI_ARRAY = 26,
 718   DT_INIT_ARRAYSZ = 27,
 719   DT_FINI_ARRAYSZ = 28,
 720   DT_RUNPATH = 29,
 721   DT_FLAGS = 30,
 722
 723   // This is used to mark a range of dynamic tags.  It is not really
 724   // a tag value.
 725   DT_ENCODING = 32,
 726
 727   DT_PREINIT_ARRAY = 32,
 728   DT_PREINIT_ARRAYSZ = 33,
 729   DT_LOOS = 0x6000000d,
 730   DT_HIOS = 0x6ffff000,
 731   DT_LOPROC = 0x70000000,
 732   DT_HIPROC = 0x7fffffff,
 733
 734   // The remaining values are extensions used by GNU or Solaris.
 735   DT_VALRNGLO = 0x6ffffd00,
 736   DT_GNU_PRELINKED = 0x6ffffdf5,
 737   DT_GNU_CONFLICTSZ = 0x6ffffdf6,
 738   DT_GNU_LIBLISTSZ = 0x6ffffdf7,
 739   DT_CHECKSUM = 0x6ffffdf8,
 740   DT_PLTPADSZ = 0x6ffffdf9,
 741   DT_MOVEENT = 0x6ffffdfa,
 742   DT_MOVESZ = 0x6ffffdfb,
 743   DT_FEATURE = 0x6ffffdfc,
 744   DT_POSFLAG_1 = 0x6ffffdfd,
 745   DT_SYMINSZ = 0x6ffffdfe,
 746   DT_SYMINENT = 0x6ffffdff,
 747   DT_VALRNGHI = 0x6ffffdff,
 748
 749   DT_ADDRRNGLO = 0x6ffffe00,
 750   DT_GNU_HASH = 0x6ffffef5,
 751   DT_TLSDESC_PLT = 0x6ffffef6,
 752   DT_TLSDESC_GOT = 0x6ffffef7,
 753   DT_GNU_CONFLICT = 0x6ffffef8,
 754   DT_GNU_LIBLIST = 0x6ffffef9,
 755   DT_CONFIG = 0x6ffffefa,
 756   DT_DEPAUDIT = 0x6ffffefb,
 757   DT_AUDIT = 0x6ffffefc,
 758   DT_PLTPAD = 0x6ffffefd,
 759   DT_MOVETAB = 0x6ffffefe,
 760   DT_SYMINFO = 0x6ffffeff,
 761   DT_ADDRRNGHI = 0x6ffffeff,
 762
 763   DT_RELACOUNT = 0x6ffffff9,
 764   DT_RELCOUNT = 0x6ffffffa,
 765   DT_FLAGS_1 = 0x6ffffffb,
 766   DT_VERDEF = 0x6ffffffc,
 767   DT_VERDEFNUM = 0x6ffffffd,
 768   DT_VERNEED = 0x6ffffffe,
 769   DT_VERNEEDNUM = 0x6fffffff,
 770
 771   DT_VERSYM = 0x6ffffff0,
 772
 773   // Specify the value of _GLOBAL_OFFSET_TABLE_.
 774   DT_PPC_GOT = 0x70000000,
 775
 776   // Specify whether various optimisations are possible.
 777   DT_PPC_OPT = 0x70000001,
 778
 779   // Specify the start of the .glink section.
 780   DT_PPC64_GLINK = 0x70000000,
 781
 782   // Specify the start and size of the .opd section.
 783   DT_PPC64_OPD = 0x70000001,
 784   DT_PPC64_OPDSZ = 0x70000002,
 785
 786   // Specify whether various optimisations are possible.
 787   DT_PPC64_OPT = 0x70000003,
 788
 789   // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB
 790   // symbol table.  One dynamic entry exists for every STT_SPARC_REGISTER
 791   // symbol in the symbol table.
 792   DT_SPARC_REGISTER = 0x70000001,
 793
 794   // MIPS specific dynamic array tags.
 795   // 32 bit version number for runtime linker interface.
 796   DT_MIPS_RLD_VERSION = 0x70000001,
 797   // Time stamp.
 798   DT_MIPS_TIME_STAMP = 0x70000002,
 799   // Checksum of external strings and common sizes.
 800   DT_MIPS_ICHECKSUM = 0x70000003,
 801   // Index of version string in string table.
 802   DT_MIPS_IVERSION = 0x70000004,
 803   // 32 bits of flags.
 804   DT_MIPS_FLAGS = 0x70000005,
 805   // Base address of the segment.
 806   DT_MIPS_BASE_ADDRESS = 0x70000006,
 807   // ???
 808   DT_MIPS_MSYM = 0x70000007,
 809   // Address of .conflict section.
 810   DT_MIPS_CONFLICT = 0x70000008,
 811   // Address of .liblist section.
 812   DT_MIPS_LIBLIST = 0x70000009,
 813   // Number of local global offset table entries.
 814   DT_MIPS_LOCAL_GOTNO = 0x7000000a,
 815   // Number of entries in the .conflict section.
 816   DT_MIPS_CONFLICTNO = 0x7000000b,
 817   // Number of entries in the .liblist section.
 818   DT_MIPS_LIBLISTNO = 0x70000010,
 819   // Number of entries in the .dynsym section.
 820   DT_MIPS_SYMTABNO = 0x70000011,
 821   // Index of first external dynamic symbol not referenced locally.
 822   DT_MIPS_UNREFEXTNO = 0x70000012,
 823   // Index of first dynamic symbol in global offset table.
 824   DT_MIPS_GOTSYM = 0x70000013,
 825   // Number of page table entries in global offset table.
 826   DT_MIPS_HIPAGENO = 0x70000014,
 827   // Address of run time loader map, used for debugging.
 828   DT_MIPS_RLD_MAP = 0x70000016,
 829   // Delta C++ class definition.
 830   DT_MIPS_DELTA_CLASS = 0x70000017,
 831   // Number of entries in DT_MIPS_DELTA_CLASS.
 832   DT_MIPS_DELTA_CLASS_NO = 0x70000018,
 833   // Delta C++ class instances.
 834   DT_MIPS_DELTA_INSTANCE = 0x70000019,
 835   // Number of entries in DT_MIPS_DELTA_INSTANCE.
 836   DT_MIPS_DELTA_INSTANCE_NO = 0x7000001a,
 837   // Delta relocations.
 838   DT_MIPS_DELTA_RELOC = 0x7000001b,
 839   // Number of entries in DT_MIPS_DELTA_RELOC.
 840   DT_MIPS_DELTA_RELOC_NO = 0x7000001c,
 841   // Delta symbols that Delta relocations refer to.
 842   DT_MIPS_DELTA_SYM = 0x7000001d,
 843   // Number of entries in DT_MIPS_DELTA_SYM.
 844   DT_MIPS_DELTA_SYM_NO = 0x7000001e,
 845   // Delta symbols that hold class declarations.
 846   DT_MIPS_DELTA_CLASSSYM = 0x70000020,
 847   // Number of entries in DT_MIPS_DELTA_CLASSSYM.
 848   DT_MIPS_DELTA_CLASSSYM_NO = 0x70000021,
 849   // Flags indicating information about C++ flavor.
 850   DT_MIPS_CXX_FLAGS = 0x70000022,
 851   // Pixie information (???).
 852   DT_MIPS_PIXIE_INIT = 0x70000023,
 853   // Address of .MIPS.symlib
 854   DT_MIPS_SYMBOL_LIB = 0x70000024,
 855   // The GOT index of the first PTE for a segment
 856   DT_MIPS_LOCALPAGE_GOTIDX = 0x70000025,
 857   // The GOT index of the first PTE for a local symbol
 858   DT_MIPS_LOCAL_GOTIDX = 0x70000026,
 859   // The GOT index of the first PTE for a hidden symbol
 860   DT_MIPS_HIDDEN_GOTIDX = 0x70000027,
 861   // The GOT index of the first PTE for a protected symbol
 862   DT_MIPS_PROTECTED_GOTIDX = 0x70000028,
 863   // Address of `.MIPS.options'.
 864   DT_MIPS_OPTIONS = 0x70000029,
 865   // Address of `.interface'.
 866   DT_MIPS_INTERFACE = 0x7000002a,
 867   // ???
 868   DT_MIPS_DYNSTR_ALIGN = 0x7000002b,
 869   // Size of the .interface section.
 870   DT_MIPS_INTERFACE_SIZE = 0x7000002c,
 871   // Size of rld_text_resolve function stored in the GOT.
 872   DT_MIPS_RLD_TEXT_RESOLVE_ADDR = 0x7000002d,
 873   // Default suffix of DSO to be added by rld on dlopen() calls.
 874   DT_MIPS_PERF_SUFFIX = 0x7000002e,
 875   // Size of compact relocation section (O32).
 876   DT_MIPS_COMPACT_SIZE = 0x7000002f,
 877   // GP value for auxiliary GOTs.
 878   DT_MIPS_GP_VALUE = 0x70000030,
 879   // Address of auxiliary .dynamic.
 880   DT_MIPS_AUX_DYNAMIC = 0x70000031,
 881   // Address of the base of the PLTGOT.
 882   DT_MIPS_PLTGOT = 0x70000032,
 883   // Points to the base of a writable PLT.
 884   DT_MIPS_RWPLT = 0x70000034,
 885   // Relative offset of run time loader map, used for debugging.
 886   DT_MIPS_RLD_MAP_REL = 0x70000035,
 887
 888   DT_AUXILIARY = 0x7ffffffd,
 889   DT_USED = 0x7ffffffe,
 890   DT_FILTER = 0x7fffffff
 891 };
 892
 893 // Flags found in the DT_FLAGS dynamic element.
 894
 895 enum DF
 896 {
 897   DF_ORIGIN = 0x1,
 898   DF_SYMBOLIC = 0x2,
 899   DF_TEXTREL = 0x4,
 900   DF_BIND_NOW = 0x8,
 901   DF_STATIC_TLS = 0x10
 902 };
 903
 904 // Flags found in the DT_FLAGS_1 dynamic element.
 905
 906 enum DF_1
 907 {
 908   DF_1_NOW = 0x1,
 909   DF_1_GLOBAL = 0x2,
 910   DF_1_GROUP = 0x4,
 911   DF_1_NODELETE = 0x8,
 912   DF_1_LOADFLTR = 0x10,
 913   DF_1_INITFIRST = 0x20,
 914   DF_1_NOOPEN = 0x40,
 915   DF_1_ORIGIN = 0x80,
 916   DF_1_DIRECT = 0x100,
 917   DF_1_TRANS = 0x200,
 918   DF_1_INTERPOSE = 0x400,
 919   DF_1_NODEFLIB = 0x800,
 920   DF_1_NODUMP = 0x1000,
 921   DF_1_CONLFAT = 0x2000,
 922   DF_1_PIE = 0x08000000
 923 };
 924
 925 // Version numbers which appear in the vd_version field of a Verdef
 926 // structure.
 927
 928 const int VER_DEF_NONE = 0;
 929 const int VER_DEF_CURRENT = 1;
 930
 931 // Version numbers which appear in the vn_version field of a Verneed
 932 // structure.
 933
 934 const int VER_NEED_NONE = 0;
 935 const int VER_NEED_CURRENT = 1;
 936
 937 // Bit flags which appear in vd_flags of Verdef and vna_flags of
 938 // Vernaux.
 939
 940 const int VER_FLG_BASE = 0x1;
 941 const int VER_FLG_WEAK = 0x2;
 942 const int VER_FLG_INFO = 0x4;
 943
 944 // Special constants found in the SHT_GNU_versym entries.
 945
 946 const int VER_NDX_LOCAL = 0;
 947 const int VER_NDX_GLOBAL = 1;
 948
 949 // A SHT_GNU_versym section holds 16-bit words.  This bit is set if
 950 // the symbol is hidden and can only be seen when referenced using an
 951 // explicit version number.  This is a GNU extension.
 952
 953 const int VERSYM_HIDDEN = 0x8000;
 954
 955 // This is the mask for the rest of the data in a word read from a
 956 // SHT_GNU_versym section.
 957
 958 const int VERSYM_VERSION = 0x7fff;
 959
 960 // Note descriptor type codes for notes in a non-core file with an
 961 // empty name.
 962
 963 enum
 964 {
 965   // A version string.
 966   NT_VERSION = 1,
 967   // An architecture string.
 968   NT_ARCH = 2
 969 };
 970
 971 // Note descriptor type codes for notes in a non-core file with the
 972 // name "GNU".
 973
 974 enum
 975 {
 976   // The minimum ABI level.  This is used by the dynamic linker to
 977   // describe the minimal kernel version on which a shared library may
 978   // be used.  Th value should be four words.  Word 0 is an OS
 979   // descriptor (see below).  Word 1 is the major version of the ABI.
 980   // Word 2 is the minor version.  Word 3 is the subminor version.
 981   NT_GNU_ABI_TAG = 1,
 982   // Hardware capabilities information.  Word 0 is the number of
 983   // entries.  Word 1 is a bitmask of enabled entries.  The rest of
 984   // the descriptor is a series of entries, where each entry is a
 985   // single byte followed by a nul terminated string.  The byte gives
 986   // the bit number to test if enabled in the bitmask.
 987   NT_GNU_HWCAP = 2,
 988   // The build ID as set by the linker's --build-id option.  The
 989   // format of the descriptor depends on the build ID style.
 990   NT_GNU_BUILD_ID = 3,
 991   // The version of gold used to link.  Th descriptor is just a
 992   // string.
 993   NT_GNU_GOLD_VERSION = 4,
 994   // Program property note, as described in "Linux Extensions to the gABI".
 995   NT_GNU_PROPERTY_TYPE_0 = 5
 996 };
 997
 998 // The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note.
 999
1000 enum
1001 {
1002   ELF_NOTE_OS_LINUX = 0,
1003   ELF_NOTE_OS_GNU = 1,
1004   ELF_NOTE_OS_SOLARIS2 = 2,
1005   ELF_NOTE_OS_FREEBSD = 3,
1006   ELF_NOTE_OS_NETBSD = 4,
1007   ELF_NOTE_OS_SYLLABLE = 5
1008 };
1009
1010 // Program property types for NT_GNU_PROPERTY_TYPE_0.
1011
1012 enum
1013 {
1014   GNU_PROPERTY_STACK_SIZE = 1,
1015   GNU_PROPERTY_NO_COPY_ON_PROTECTED = 2,
1016   GNU_PROPERTY_LOPROC = 0xc0000000,
1017   GNU_PROPERTY_X86_COMPAT_ISA_1_USED = 0xc0000000,
1018   GNU_PROPERTY_X86_COMPAT_ISA_1_NEEDED = 0xc0000001,
1019   GNU_PROPERTY_X86_UINT32_AND_LO = 0xc0000002,
1020   GNU_PROPERTY_X86_UINT32_AND_HI = 0xc0007fff,
1021   GNU_PROPERTY_X86_UINT32_OR_LO = 0xc0008000,
1022   GNU_PROPERTY_X86_UINT32_OR_HI = 0xc000ffff,
1023   GNU_PROPERTY_X86_UINT32_OR_AND_LO = 0xc0010000,
1024   GNU_PROPERTY_X86_UINT32_OR_AND_HI = 0xc0017fff,
1025   GNU_PROPERTY_X86_COMPAT_2_ISA_1_NEEDED = GNU_PROPERTY_X86_UINT32_OR_LO + 0,
1026   GNU_PROPERTY_X86_COMPAT_2_ISA_1_USED = GNU_PROPERTY_X86_UINT32_OR_AND_LO + 0,
1027   GNU_PROPERTY_X86_FEATURE_1_AND = GNU_PROPERTY_X86_UINT32_AND_LO + 0,
1028   GNU_PROPERTY_X86_ISA_1_NEEDED = GNU_PROPERTY_X86_UINT32_OR_LO + 2,
1029   GNU_PROPERTY_X86_FEATURE_2_NEEDED = GNU_PROPERTY_X86_UINT32_OR_LO + 1,
1030   GNU_PROPERTY_X86_ISA_1_USED = GNU_PROPERTY_X86_UINT32_OR_AND_LO + 2,
1031   GNU_PROPERTY_X86_FEATURE_2_USED = GNU_PROPERTY_X86_UINT32_OR_AND_LO + 1,
1032   GNU_PROPERTY_HIPROC = 0xdfffffff,
1033   GNU_PROPERTY_LOUSER = 0xe0000000,
1034   GNU_PROPERTY_HIUSER = 0xffffffff
1035 };
1036
1037 } // End namespace elfcpp.
1038
1039 // Include internal details after defining the types.
1040 #include "elfcpp_internal.h"
1041
1042 namespace elfcpp
1043 {
1044
1045 // The offset of the ELF file header in the ELF file.
1046
1047 const int file_header_offset = 0;
1048
1049 // ELF structure sizes.
1050
1051 template<int size>
1052 struct Elf_sizes
1053 {
1054   // Size of ELF file header.
1055   static const int ehdr_size = sizeof(internal::Ehdr_data<size>);
1056   // Size of ELF segment header.
1057   static const int phdr_size = sizeof(internal::Phdr_data<size>);
1058   // Size of ELF section header.
1059   static const int shdr_size = sizeof(internal::Shdr_data<size>);
1060   // Size of ELF compression header.
1061   static const int chdr_size = sizeof(internal::Chdr_data<size>);
1062   // Size of ELF symbol table entry.
1063   static const int sym_size = sizeof(internal::Sym_data<size>);
1064   // Sizes of ELF reloc entries.
1065   static const int rel_size = sizeof(internal::Rel_data<size>);
1066   static const int rela_size = sizeof(internal::Rela_data<size>);
1067   // Size of ELF dynamic entry.
1068   static const int dyn_size = sizeof(internal::Dyn_data<size>);
1069   // Size of ELF version structures.
1070   static const int verdef_size = sizeof(internal::Verdef_data);
1071   static const int verdaux_size = sizeof(internal::Verdaux_data);
1072   static const int verneed_size = sizeof(internal::Verneed_data);
1073   static const int vernaux_size = sizeof(internal::Vernaux_data);
1074 };
1075
1076 // Accessor class for the ELF file header.
1077
1078 template<int size, bool big_endian>
1079 class Ehdr
1080 {
1081  public:
1082   Ehdr(const unsigned char* p)
1083     : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(p))
1084   { }
1085
1086   template<typename File>
1087   Ehdr(File* file, typename File::Location loc)
1088     : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(
1089            file->view(loc.file_offset, loc.data_size).data()))
1090   { }
1091
1092   const unsigned char*
1093   get_e_ident() const
1094   { return this->p_->e_ident; }
1095
1096   Elf_Half
1097   get_e_type() const
1098   { return Convert<16, big_endian>::convert_host(this->p_->e_type); }
1099
1100   Elf_Half
1101   get_e_machine() const
1102   { return Convert<16, big_endian>::convert_host(this->p_->e_machine); }
1103
1104   Elf_Word
1105   get_e_version() const
1106   { return Convert<32, big_endian>::convert_host(this->p_->e_version); }
1107
1108   typename Elf_types<size>::Elf_Addr
1109   get_e_entry() const
1110   { return Convert<size, big_endian>::convert_host(this->p_->e_entry); }
1111
1112   typename Elf_types<size>::Elf_Off
1113   get_e_phoff() const
1114   { return Convert<size, big_endian>::convert_host(this->p_->e_phoff); }
1115
1116   typename Elf_types<size>::Elf_Off
1117   get_e_shoff() const
1118   { return Convert<size, big_endian>::convert_host(this->p_->e_shoff); }
1119
1120   Elf_Word
1121   get_e_flags() const
1122   { return Convert<32, big_endian>::convert_host(this->p_->e_flags); }
1123
1124   Elf_Half
1125   get_e_ehsize() const
1126   { return Convert<16, big_endian>::convert_host(this->p_->e_ehsize); }
1127
1128   Elf_Half
1129   get_e_phentsize() const
1130   { return Convert<16, big_endian>::convert_host(this->p_->e_phentsize); }
1131
1132   Elf_Half
1133   get_e_phnum() const
1134   { return Convert<16, big_endian>::convert_host(this->p_->e_phnum); }
1135
1136   Elf_Half
1137   get_e_shentsize() const
1138   { return Convert<16, big_endian>::convert_host(this->p_->e_shentsize); }
1139
1140   Elf_Half
1141   get_e_shnum() const
1142   { return Convert<16, big_endian>::convert_host(this->p_->e_shnum); }
1143
1144   Elf_Half
1145   get_e_shstrndx() const
1146   { return Convert<16, big_endian>::convert_host(this->p_->e_shstrndx); }
1147
1148  private:
1149   const internal::Ehdr_data<size>* p_;
1150 };
1151
1152 // Write class for the ELF file header.
1153
1154 template<int size, bool big_endian>
1155 class Ehdr_write
1156 {
1157  public:
1158   Ehdr_write(unsigned char* p)
1159     : p_(reinterpret_cast<internal::Ehdr_data<size>*>(p))
1160   { }
1161
1162   void
1163   put_e_ident(const unsigned char v[EI_NIDENT]) const
1164   { memcpy(this->p_->e_ident, v, EI_NIDENT); }
1165
1166   void
1167   put_e_type(Elf_Half v)
1168   { this->p_->e_type = Convert<16, big_endian>::convert_host(v); }
1169
1170   void
1171   put_e_machine(Elf_Half v)
1172   { this->p_->e_machine = Convert<16, big_endian>::convert_host(v); }
1173
1174   void
1175   put_e_version(Elf_Word v)
1176   { this->p_->e_version = Convert<32, big_endian>::convert_host(v); }
1177
1178   void
1179   put_e_entry(typename Elf_types<size>::Elf_Addr v)
1180   { this->p_->e_entry = Convert<size, big_endian>::convert_host(v); }
1181
1182   void
1183   put_e_phoff(typename Elf_types<size>::Elf_Off v)
1184   { this->p_->e_phoff = Convert<size, big_endian>::convert_host(v); }
1185
1186   void
1187   put_e_shoff(typename Elf_types<size>::Elf_Off v)
1188   { this->p_->e_shoff = Convert<size, big_endian>::convert_host(v); }
1189
1190   void
1191   put_e_flags(Elf_Word v)
1192   { this->p_->e_flags = Convert<32, big_endian>::convert_host(v); }
1193
1194   void
1195   put_e_ehsize(Elf_Half v)
1196   { this->p_->e_ehsize = Convert<16, big_endian>::convert_host(v); }
1197
1198   void
1199   put_e_phentsize(Elf_Half v)
1200   { this->p_->e_phentsize = Convert<16, big_endian>::convert_host(v); }
1201
1202   void
1203   put_e_phnum(Elf_Half v)
1204   { this->p_->e_phnum = Convert<16, big_endian>::convert_host(v); }
1205
1206   void
1207   put_e_shentsize(Elf_Half v)
1208   { this->p_->e_shentsize = Convert<16, big_endian>::convert_host(v); }
1209
1210   void
1211   put_e_shnum(Elf_Half v)
1212   { this->p_->e_shnum = Convert<16, big_endian>::convert_host(v); }
1213
1214   void
1215   put_e_shstrndx(Elf_Half v)
1216   { this->p_->e_shstrndx = Convert<16, big_endian>::convert_host(v); }
1217
1218  private:
1219   internal::Ehdr_data<size>* p_;
1220 };
1221
1222 // Accessor class for an ELF section header.
1223
1224 template<int size, bool big_endian>
1225 class Shdr
1226 {
1227  public:
1228   Shdr(const unsigned char* p)
1229     : p_(reinterpret_cast<const internal::Shdr_data<size>*>(p))
1230   { }
1231
1232   template<typename File>
1233   Shdr(File* file, typename File::Location loc)
1234     : p_(reinterpret_cast<const internal::Shdr_data<size>*>(
1235            file->view(loc.file_offset, loc.data_size).data()))
1236   { }
1237
1238   Elf_Word
1239   get_sh_name() const
1240   { return Convert<32, big_endian>::convert_host(this->p_->sh_name); }
1241
1242   Elf_Word
1243   get_sh_type() const
1244   { return Convert<32, big_endian>::convert_host(this->p_->sh_type); }
1245
1246   typename Elf_types<size>::Elf_WXword
1247   get_sh_flags() const
1248   { return Convert<size, big_endian>::convert_host(this->p_->sh_flags); }
1249
1250   typename Elf_types<size>::Elf_Addr
1251   get_sh_addr() const
1252   { return Convert<size, big_endian>::convert_host(this->p_->sh_addr); }
1253
1254   typename Elf_types<size>::Elf_Off
1255   get_sh_offset() const
1256   { return Convert<size, big_endian>::convert_host(this->p_->sh_offset); }
1257
1258   typename Elf_types<size>::Elf_WXword
1259   get_sh_size() const
1260   { return Convert<size, big_endian>::convert_host(this->p_->sh_size); }
1261
1262   Elf_Word
1263   get_sh_link() const
1264   { return Convert<32, big_endian>::convert_host(this->p_->sh_link); }
1265
1266   Elf_Word
1267   get_sh_info() const
1268   { return Convert<32, big_endian>::convert_host(this->p_->sh_info); }
1269
1270   typename Elf_types<size>::Elf_WXword
1271   get_sh_addralign() const
1272   { return
1273       Convert<size, big_endian>::convert_host(this->p_->sh_addralign); }
1274
1275   typename Elf_types<size>::Elf_WXword
1276   get_sh_entsize() const
1277   { return Convert<size, big_endian>::convert_host(this->p_->sh_entsize); }
1278
1279  private:
1280   const internal::Shdr_data<size>* p_;
1281 };
1282
1283 // Write class for an ELF section header.
1284
1285 template<int size, bool big_endian>
1286 class Shdr_write
1287 {
1288  public:
1289   Shdr_write(unsigned char* p)
1290     : p_(reinterpret_cast<internal::Shdr_data<size>*>(p))
1291   { }
1292
1293   void
1294   put_sh_name(Elf_Word v)
1295   { this->p_->sh_name = Convert<32, big_endian>::convert_host(v); }
1296
1297   void
1298   put_sh_type(Elf_Word v)
1299   { this->p_->sh_type = Convert<32, big_endian>::convert_host(v); }
1300
1301   void
1302   put_sh_flags(typename Elf_types<size>::Elf_WXword v)
1303   { this->p_->sh_flags = Convert<size, big_endian>::convert_host(v); }
1304
1305   void
1306   put_sh_addr(typename Elf_types<size>::Elf_Addr v)
1307   { this->p_->sh_addr = Convert<size, big_endian>::convert_host(v); }
1308
1309   void
1310   put_sh_offset(typename Elf_types<size>::Elf_Off v)
1311   { this->p_->sh_offset = Convert<size, big_endian>::convert_host(v); }
1312
1313   void
1314   put_sh_size(typename Elf_types<size>::Elf_WXword v)
1315   { this->p_->sh_size = Convert<size, big_endian>::convert_host(v); }
1316
1317   void
1318   put_sh_link(Elf_Word v)
1319   { this->p_->sh_link = Convert<32, big_endian>::convert_host(v); }
1320
1321   void
1322   put_sh_info(Elf_Word v)
1323   { this->p_->sh_info = Convert<32, big_endian>::convert_host(v); }
1324
1325   void
1326   put_sh_addralign(typename Elf_types<size>::Elf_WXword v)
1327   { this->p_->sh_addralign = Convert<size, big_endian>::convert_host(v); }
1328
1329   void
1330   put_sh_entsize(typename Elf_types<size>::Elf_WXword v)
1331   { this->p_->sh_entsize = Convert<size, big_endian>::convert_host(v); }
1332
1333  private:
1334   internal::Shdr_data<size>* p_;
1335 };
1336
1337 // Accessor class for an ELF compression header.
1338
1339 template<int size, bool big_endian>
1340 class Chdr
1341 {
1342  public:
1343   Chdr(const unsigned char* p)
1344     : p_(reinterpret_cast<const internal::Chdr_data<size>*>(p))
1345   { }
1346
1347   template<typename File>
1348   Chdr(File* file, typename File::Location loc)
1349     : p_(reinterpret_cast<const internal::Chdr_data<size>*>(
1350            file->view(loc.file_offset, loc.data_size).data()))
1351   { }
1352
1353   Elf_Word
1354   get_ch_type() const
1355   { return Convert<size, big_endian>::convert_host(this->p_->ch_type); }
1356
1357   typename Elf_types<size>::Elf_WXword
1358   get_ch_size() const
1359   { return Convert<size, big_endian>::convert_host(this->p_->ch_size); }
1360
1361   typename Elf_types<size>::Elf_WXword
1362   get_ch_addralign() const
1363   { return
1364       Convert<size, big_endian>::convert_host(this->p_->ch_addralign); }
1365
1366  private:
1367   const internal::Chdr_data<size>* p_;
1368 };
1369
1370 // Write class for an ELF compression header.
1371
1372 template<int size, bool big_endian>
1373 class Chdr_write
1374 {
1375  public:
1376   Chdr_write(unsigned char* p)
1377     : p_(reinterpret_cast<internal::Chdr_data<size>*>(p))
1378   { }
1379
1380   void
1381   put_ch_type(typename Elf_types<size>::Elf_WXword v)
1382   { this->p_->ch_type = Convert<size, big_endian>::convert_host(v); }
1383
1384   void
1385   put_ch_size(typename Elf_types<size>::Elf_WXword v)
1386   { this->p_->ch_size = Convert<size, big_endian>::convert_host(v); }
1387
1388   void
1389   put_ch_addralign(typename Elf_types<size>::Elf_WXword v)
1390   { this->p_->ch_addralign = Convert<size, big_endian>::convert_host(v); }
1391
1392   void
1393   put_ch_reserved(Elf_Word);
1394
1395  private:
1396   internal::Chdr_data<size>* p_;
1397 };
1398
1399 template<>
1400 inline void
1401 elfcpp::Chdr_write<64, true>::put_ch_reserved(Elf_Word v)
1402 {
1403   this->p_->ch_reserved = v;
1404 }
1405
1406 template<>
1407 inline void
1408 elfcpp::Chdr_write<64, false>::put_ch_reserved(Elf_Word v)
1409 {
1410   this->p_->ch_reserved = v;
1411 }
1412
1413 // Accessor class for an ELF segment header.
1414
1415 template<int size, bool big_endian>
1416 class Phdr
1417 {
1418  public:
1419   Phdr(const unsigned char* p)
1420     : p_(reinterpret_cast<const internal::Phdr_data<size>*>(p))
1421   { }
1422
1423   template<typename File>
1424   Phdr(File* file, typename File::Location loc)
1425     : p_(reinterpret_cast<internal::Phdr_data<size>*>(
1426            file->view(loc.file_offset, loc.data_size).data()))
1427   { }
1428
1429   Elf_Word
1430   get_p_type() const
1431   { return Convert<32, big_endian>::convert_host(this->p_->p_type); }
1432
1433   typename Elf_types<size>::Elf_Off
1434   get_p_offset() const
1435   { return Convert<size, big_endian>::convert_host(this->p_->p_offset); }
1436
1437   typename Elf_types<size>::Elf_Addr
1438   get_p_vaddr() const
1439   { return Convert<size, big_endian>::convert_host(this->p_->p_vaddr); }
1440
1441   typename Elf_types<size>::Elf_Addr
1442   get_p_paddr() const
1443   { return Convert<size, big_endian>::convert_host(this->p_->p_paddr); }
1444
1445   typename Elf_types<size>::Elf_WXword
1446   get_p_filesz() const
1447   { return Convert<size, big_endian>::convert_host(this->p_->p_filesz); }
1448
1449   typename Elf_types<size>::Elf_WXword
1450   get_p_memsz() const
1451   { return Convert<size, big_endian>::convert_host(this->p_->p_memsz); }
1452
1453   Elf_Word
1454   get_p_flags() const
1455   { return Convert<32, big_endian>::convert_host(this->p_->p_flags); }
1456
1457   typename Elf_types<size>::Elf_WXword
1458   get_p_align() const
1459   { return Convert<size, big_endian>::convert_host(this->p_->p_align); }
1460
1461  private:
1462   const internal::Phdr_data<size>* p_;
1463 };
1464
1465 // Write class for an ELF segment header.
1466
1467 template<int size, bool big_endian>
1468 class Phdr_write
1469 {
1470  public:
1471   Phdr_write(unsigned char* p)
1472     : p_(reinterpret_cast<internal::Phdr_data<size>*>(p))
1473   { }
1474
1475   void
1476   put_p_type(Elf_Word v)
1477   { this->p_->p_type = Convert<32, big_endian>::convert_host(v); }
1478
1479   void
1480   put_p_offset(typename Elf_types<size>::Elf_Off v)
1481   { this->p_->p_offset = Convert<size, big_endian>::convert_host(v); }
1482
1483   void
1484   put_p_vaddr(typename Elf_types<size>::Elf_Addr v)
1485   { this->p_->p_vaddr = Convert<size, big_endian>::convert_host(v); }
1486
1487   void
1488   put_p_paddr(typename Elf_types<size>::Elf_Addr v)
1489   { this->p_->p_paddr = Convert<size, big_endian>::convert_host(v); }
1490
1491   void
1492   put_p_filesz(typename Elf_types<size>::Elf_WXword v)
1493   { this->p_->p_filesz = Convert<size, big_endian>::convert_host(v); }
1494
1495   void
1496   put_p_memsz(typename Elf_types<size>::Elf_WXword v)
1497   { this->p_->p_memsz = Convert<size, big_endian>::convert_host(v); }
1498
1499   void
1500   put_p_flags(Elf_Word v)
1501   { this->p_->p_flags = Convert<32, big_endian>::convert_host(v); }
1502
1503   void
1504   put_p_align(typename Elf_types<size>::Elf_WXword v)
1505   { this->p_->p_align = Convert<size, big_endian>::convert_host(v); }
1506
1507  private:
1508   internal::Phdr_data<size>* p_;
1509 };
1510
1511 // Accessor class for an ELF symbol table entry.
1512
1513 template<int size, bool big_endian>
1514 class Sym
1515 {
1516  public:
1517   Sym(const unsigned char* p)
1518     : p_(reinterpret_cast<const internal::Sym_data<size>*>(p))
1519   { }
1520
1521   template<typename File>
1522   Sym(File* file, typename File::Location loc)
1523     : p_(reinterpret_cast<const internal::Sym_data<size>*>(
1524            file->view(loc.file_offset, loc.data_size).data()))
1525   { }
1526
1527   Elf_Word
1528   get_st_name() const
1529   { return Convert<32, big_endian>::convert_host(this->p_->st_name); }
1530
1531   typename Elf_types<size>::Elf_Addr
1532   get_st_value() const
1533   { return Convert<size, big_endian>::convert_host(this->p_->st_value); }
1534
1535   typename Elf_types<size>::Elf_WXword
1536   get_st_size() const
1537   { return Convert<size, big_endian>::convert_host(this->p_->st_size); }
1538
1539   unsigned char
1540   get_st_info() const
1541   { return this->p_->st_info; }
1542
1543   STB
1544   get_st_bind() const
1545   { return elf_st_bind(this->get_st_info()); }
1546
1547   STT
1548   get_st_type() const
1549   { return elf_st_type(this->get_st_info()); }
1550
1551   unsigned char
1552   get_st_other() const
1553   { return this->p_->st_other; }
1554
1555   STV
1556   get_st_visibility() const
1557   { return elf_st_visibility(this->get_st_other()); }
1558
1559   unsigned char
1560   get_st_nonvis() const
1561   { return elf_st_nonvis(this->get_st_other()); }
1562
1563   Elf_Half
1564   get_st_shndx() const
1565   { return Convert<16, big_endian>::convert_host(this->p_->st_shndx); }
1566
1567  private:
1568   const internal::Sym_data<size>* p_;
1569 };
1570
1571 // Writer class for an ELF symbol table entry.
1572
1573 template<int size, bool big_endian>
1574 class Sym_write
1575 {
1576  public:
1577   Sym_write(unsigned char* p)
1578     : p_(reinterpret_cast<internal::Sym_data<size>*>(p))
1579   { }
1580
1581   void
1582   put_st_name(Elf_Word v)
1583   { this->p_->st_name = Convert<32, big_endian>::convert_host(v); }
1584
1585   void
1586   put_st_value(typename Elf_types<size>::Elf_Addr v)
1587   { this->p_->st_value = Convert<size, big_endian>::convert_host(v); }
1588
1589   void
1590   put_st_size(typename Elf_types<size>::Elf_WXword v)
1591   { this->p_->st_size = Convert<size, big_endian>::convert_host(v); }
1592
1593   void
1594   put_st_info(unsigned char v)
1595   { this->p_->st_info = v; }
1596
1597   void
1598   put_st_info(STB bind, STT type)
1599   { this->p_->st_info = elf_st_info(bind, type); }
1600
1601   void
1602   put_st_other(unsigned char v)
1603   { this->p_->st_other = v; }
1604
1605   void
1606   put_st_other(STV vis, unsigned char nonvis)
1607   { this->p_->st_other = elf_st_other(vis, nonvis); }
1608
1609   void
1610   put_st_shndx(Elf_Half v)
1611   { this->p_->st_shndx = Convert<16, big_endian>::convert_host(v); }
1612
1613   Sym<size, big_endian>
1614   sym()
1615   { return Sym<size, big_endian>(reinterpret_cast<unsigned char*>(this->p_)); }
1616
1617  private:
1618   internal::Sym_data<size>* p_;
1619 };
1620
1621 // Accessor classes for an ELF REL relocation entry.
1622
1623 template<int size, bool big_endian>
1624 class Rel
1625 {
1626  public:
1627   Rel(const unsigned char* p)
1628     : p_(reinterpret_cast<const internal::Rel_data<size>*>(p))
1629   { }
1630
1631   template<typename File>
1632   Rel(File* file, typename File::Location loc)
1633     : p_(reinterpret_cast<const internal::Rel_data<size>*>(
1634            file->view(loc.file_offset, loc.data_size).data()))
1635   { }
1636
1637   typename Elf_types<size>::Elf_Addr
1638   get_r_offset() const
1639   { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1640
1641   typename Elf_types<size>::Elf_WXword
1642   get_r_info() const
1643   { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1644
1645  private:
1646   const internal::Rel_data<size>* p_;
1647 };
1648
1649 // Writer class for an ELF Rel relocation.
1650
1651 template<int size, bool big_endian>
1652 class Rel_write
1653 {
1654  public:
1655   Rel_write(unsigned char* p)
1656     : p_(reinterpret_cast<internal::Rel_data<size>*>(p))
1657   { }
1658
1659   void
1660   put_r_offset(typename Elf_types<size>::Elf_Addr v)
1661   { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1662
1663   void
1664   put_r_info(typename Elf_types<size>::Elf_WXword v)
1665   { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1666
1667  private:
1668   internal::Rel_data<size>* p_;
1669 };
1670
1671 // Accessor class for an ELF Rela relocation.
1672
1673 template<int size, bool big_endian>
1674 class Rela
1675 {
1676  public:
1677   Rela(const unsigned char* p)
1678     : p_(reinterpret_cast<const internal::Rela_data<size>*>(p))
1679   { }
1680
1681   template<typename File>
1682   Rela(File* file, typename File::Location loc)
1683     : p_(reinterpret_cast<const internal::Rela_data<size>*>(
1684            file->view(loc.file_offset, loc.data_size).data()))
1685   { }
1686
1687   typename Elf_types<size>::Elf_Addr
1688   get_r_offset() const
1689   { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1690
1691   typename Elf_types<size>::Elf_WXword
1692   get_r_info() const
1693   { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1694
1695   typename Elf_types<size>::Elf_Swxword
1696   get_r_addend() const
1697   { return Convert<size, big_endian>::convert_host(this->p_->r_addend); }
1698
1699  private:
1700   const internal::Rela_data<size>* p_;
1701 };
1702
1703 // Writer class for an ELF Rela relocation.
1704
1705 template<int size, bool big_endian>
1706 class Rela_write
1707 {
1708  public:
1709   Rela_write(unsigned char* p)
1710     : p_(reinterpret_cast<internal::Rela_data<size>*>(p))
1711   { }
1712
1713   void
1714   put_r_offset(typename Elf_types<size>::Elf_Addr v)
1715   { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1716
1717   void
1718   put_r_info(typename Elf_types<size>::Elf_WXword v)
1719   { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1720
1721   void
1722   put_r_addend(typename Elf_types<size>::Elf_Swxword v)
1723   { this->p_->r_addend = Convert<size, big_endian>::convert_host(v); }
1724
1725  private:
1726   internal::Rela_data<size>* p_;
1727 };
1728
1729 // MIPS-64 has a non-standard relocation layout.
1730
1731 template<bool big_endian>
1732 class Mips64_rel
1733 {
1734  public:
1735   Mips64_rel(const unsigned char* p)
1736     : p_(reinterpret_cast<const internal::Mips64_rel_data*>(p))
1737   { }
1738
1739   template<typename File>
1740   Mips64_rel(File* file, typename File::Location loc)
1741     : p_(reinterpret_cast<const internal::Mips64_rel_data*>(
1742            file->view(loc.file_offset, loc.data_size).data()))
1743   { }
1744
1745   typename Elf_types<64>::Elf_Addr
1746   get_r_offset() const
1747   { return Convert<64, big_endian>::convert_host(this->p_->r_offset); }
1748
1749   Elf_Word
1750   get_r_sym() const
1751   { return Convert<32, big_endian>::convert_host(this->p_->r_sym); }
1752
1753   unsigned char
1754   get_r_ssym() const
1755   { return this->p_->r_ssym; }
1756
1757   unsigned char
1758   get_r_type() const
1759   { return this->p_->r_type; }
1760
1761   unsigned char
1762   get_r_type2() const
1763   { return this->p_->r_type2; }
1764
1765   unsigned char
1766   get_r_type3() const
1767   { return this->p_->r_type3; }
1768
1769  private:
1770   const internal::Mips64_rel_data* p_;
1771 };
1772
1773 template<bool big_endian>
1774 class Mips64_rel_write
1775 {
1776  public:
1777   Mips64_rel_write(unsigned char* p)
1778     : p_(reinterpret_cast<internal::Mips64_rel_data*>(p))
1779   { }
1780
1781   void
1782   put_r_offset(typename Elf_types<64>::Elf_Addr v)
1783   { this->p_->r_offset = Convert<64, big_endian>::convert_host(v); }
1784
1785   void
1786   put_r_sym(Elf_Word v)
1787   { this->p_->r_sym = Convert<32, big_endian>::convert_host(v); }
1788
1789   void
1790   put_r_ssym(unsigned char v)
1791   { this->p_->r_ssym = v; }
1792
1793   void
1794   put_r_type(unsigned char v)
1795   { this->p_->r_type = v; }
1796
1797   void
1798   put_r_type2(unsigned char v)
1799   { this->p_->r_type2 = v; }
1800
1801   void
1802   put_r_type3(unsigned char v)
1803   { this->p_->r_type3 = v; }
1804
1805  private:
1806   internal::Mips64_rel_data* p_;
1807 };
1808
1809 template<bool big_endian>
1810 class Mips64_rela
1811 {
1812  public:
1813   Mips64_rela(const unsigned char* p)
1814     : p_(reinterpret_cast<const internal::Mips64_rela_data*>(p))
1815   { }
1816
1817   template<typename File>
1818   Mips64_rela(File* file, typename File::Location loc)
1819     : p_(reinterpret_cast<const internal::Mips64_rela_data*>(
1820            file->view(loc.file_offset, loc.data_size).data()))
1821   { }
1822
1823   typename Elf_types<64>::Elf_Addr
1824   get_r_offset() const
1825   { return Convert<64, big_endian>::convert_host(this->p_->r_offset); }
1826
1827   Elf_Word
1828   get_r_sym() const
1829   { return Convert<32, big_endian>::convert_host(this->p_->r_sym); }
1830
1831   unsigned char
1832   get_r_ssym() const
1833   { return this->p_->r_ssym; }
1834
1835   unsigned char
1836   get_r_type() const
1837   { return this->p_->r_type; }
1838
1839   unsigned char
1840   get_r_type2() const
1841   { return this->p_->r_type2; }
1842
1843   unsigned char
1844   get_r_type3() const
1845   { return this->p_->r_type3; }
1846
1847   typename Elf_types<64>::Elf_Swxword
1848   get_r_addend() const
1849   { return Convert<64, big_endian>::convert_host(this->p_->r_addend); }
1850
1851  private:
1852   const internal::Mips64_rela_data* p_;
1853 };
1854
1855 template<bool big_endian>
1856 class Mips64_rela_write
1857 {
1858  public:
1859   Mips64_rela_write(unsigned char* p)
1860     : p_(reinterpret_cast<internal::Mips64_rela_data*>(p))
1861   { }
1862
1863   void
1864   put_r_offset(typename Elf_types<64>::Elf_Addr v)
1865   { this->p_->r_offset = Convert<64, big_endian>::convert_host(v); }
1866
1867   void
1868   put_r_sym(Elf_Word v)
1869   { this->p_->r_sym = Convert<32, big_endian>::convert_host(v); }
1870
1871   void
1872   put_r_ssym(unsigned char v)
1873   { this->p_->r_ssym = v; }
1874
1875   void
1876   put_r_type(unsigned char v)
1877   { this->p_->r_type = v; }
1878
1879   void
1880   put_r_type2(unsigned char v)
1881   { this->p_->r_type2 = v; }
1882
1883   void
1884   put_r_type3(unsigned char v)
1885   { this->p_->r_type3 = v; }
1886
1887   void
1888   put_r_addend(typename Elf_types<64>::Elf_Swxword v)
1889   { this->p_->r_addend = Convert<64, big_endian>::convert_host(v); }
1890
1891  private:
1892   internal::Mips64_rela_data* p_;
1893 };
1894
1895 // Accessor classes for entries in the ELF SHT_DYNAMIC section aka
1896 // PT_DYNAMIC segment.
1897
1898 template<int size, bool big_endian>
1899 class Dyn
1900 {
1901  public:
1902   Dyn(const unsigned char* p)
1903     : p_(reinterpret_cast<const internal::Dyn_data<size>*>(p))
1904   { }
1905
1906   template<typename File>
1907   Dyn(File* file, typename File::Location loc)
1908     : p_(reinterpret_cast<const internal::Dyn_data<size>*>(
1909            file->view(loc.file_offset, loc.data_size).data()))
1910   { }
1911
1912   typename Elf_types<size>::Elf_Swxword
1913   get_d_tag() const
1914   { return Convert<size, big_endian>::convert_host(this->p_->d_tag); }
1915
1916   typename Elf_types<size>::Elf_WXword
1917   get_d_val() const
1918   { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1919
1920   typename Elf_types<size>::Elf_Addr
1921   get_d_ptr() const
1922   { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1923
1924  private:
1925   const internal::Dyn_data<size>* p_;
1926 };
1927
1928 // Write class for an entry in the SHT_DYNAMIC section.
1929
1930 template<int size, bool big_endian>
1931 class Dyn_write
1932 {
1933  public:
1934   Dyn_write(unsigned char* p)
1935     : p_(reinterpret_cast<internal::Dyn_data<size>*>(p))
1936   { }
1937
1938   void
1939   put_d_tag(typename Elf_types<size>::Elf_Swxword v)
1940   { this->p_->d_tag = Convert<size, big_endian>::convert_host(v); }
1941
1942   void
1943   put_d_val(typename Elf_types<size>::Elf_WXword v)
1944   { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1945
1946   void
1947   put_d_ptr(typename Elf_types<size>::Elf_Addr v)
1948   { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1949
1950  private:
1951   internal::Dyn_data<size>* p_;
1952 };
1953
1954 // Accessor classes for entries in the ELF SHT_GNU_verdef section.
1955
1956 template<int size, bool big_endian>
1957 class Verdef
1958 {
1959  public:
1960   Verdef(const unsigned char* p)
1961     : p_(reinterpret_cast<const internal::Verdef_data*>(p))
1962   { }
1963
1964   template<typename File>
1965   Verdef(File* file, typename File::Location loc)
1966     : p_(reinterpret_cast<const internal::Verdef_data*>(
1967            file->view(loc.file_offset, loc.data_size).data()))
1968   { }
1969
1970   Elf_Half
1971   get_vd_version() const
1972   { return Convert<16, big_endian>::convert_host(this->p_->vd_version); }
1973
1974   Elf_Half
1975   get_vd_flags() const
1976   { return Convert<16, big_endian>::convert_host(this->p_->vd_flags); }
1977
1978   Elf_Half
1979   get_vd_ndx() const
1980   { return Convert<16, big_endian>::convert_host(this->p_->vd_ndx); }
1981
1982   Elf_Half
1983   get_vd_cnt() const
1984   { return Convert<16, big_endian>::convert_host(this->p_->vd_cnt); }
1985
1986   Elf_Word
1987   get_vd_hash() const
1988   { return Convert<32, big_endian>::convert_host(this->p_->vd_hash); }
1989
1990   Elf_Word
1991   get_vd_aux() const
1992   { return Convert<32, big_endian>::convert_host(this->p_->vd_aux); }
1993
1994   Elf_Word
1995   get_vd_next() const
1996   { return Convert<32, big_endian>::convert_host(this->p_->vd_next); }
1997
1998  private:
1999   const internal::Verdef_data* p_;
2000 };
2001
2002 template<int size, bool big_endian>
2003 class Verdef_write
2004 {
2005  public:
2006   Verdef_write(unsigned char* p)
2007     : p_(reinterpret_cast<internal::Verdef_data*>(p))
2008   { }
2009
2010   void
2011   set_vd_version(Elf_Half v)
2012   { this->p_->vd_version = Convert<16, big_endian>::convert_host(v); }
2013
2014   void
2015   set_vd_flags(Elf_Half v)
2016   { this->p_->vd_flags = Convert<16, big_endian>::convert_host(v); }
2017
2018   void
2019   set_vd_ndx(Elf_Half v)
2020   { this->p_->vd_ndx = Convert<16, big_endian>::convert_host(v); }
2021
2022   void
2023   set_vd_cnt(Elf_Half v)
2024   { this->p_->vd_cnt = Convert<16, big_endian>::convert_host(v); }
2025
2026   void
2027   set_vd_hash(Elf_Word v)
2028   { this->p_->vd_hash = Convert<32, big_endian>::convert_host(v); }
2029
2030   void
2031   set_vd_aux(Elf_Word v)
2032   { this->p_->vd_aux = Convert<32, big_endian>::convert_host(v); }
2033
2034   void
2035   set_vd_next(Elf_Word v)
2036   { this->p_->vd_next = Convert<32, big_endian>::convert_host(v); }
2037
2038  private:
2039   internal::Verdef_data* p_;
2040 };
2041
2042 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef
2043 // section.
2044
2045 template<int size, bool big_endian>
2046 class Verdaux
2047 {
2048  public:
2049   Verdaux(const unsigned char* p)
2050     : p_(reinterpret_cast<const internal::Verdaux_data*>(p))
2051   { }
2052
2053   template<typename File>
2054   Verdaux(File* file, typename File::Location loc)
2055     : p_(reinterpret_cast<const internal::Verdaux_data*>(
2056            file->view(loc.file_offset, loc.data_size).data()))
2057   { }
2058
2059   Elf_Word
2060   get_vda_name() const
2061   { return Convert<32, big_endian>::convert_host(this->p_->vda_name); }
2062
2063   Elf_Word
2064   get_vda_next() const
2065   { return Convert<32, big_endian>::convert_host(this->p_->vda_next); }
2066
2067  private:
2068   const internal::Verdaux_data* p_;
2069 };
2070
2071 template<int size, bool big_endian>
2072 class Verdaux_write
2073 {
2074  public:
2075   Verdaux_write(unsigned char* p)
2076     : p_(reinterpret_cast<internal::Verdaux_data*>(p))
2077   { }
2078
2079   void
2080   set_vda_name(Elf_Word v)
2081   { this->p_->vda_name = Convert<32, big_endian>::convert_host(v); }
2082
2083   void
2084   set_vda_next(Elf_Word v)
2085   { this->p_->vda_next = Convert<32, big_endian>::convert_host(v); }
2086
2087  private:
2088   internal::Verdaux_data* p_;
2089 };
2090
2091 // Accessor classes for entries in the ELF SHT_GNU_verneed section.
2092
2093 template<int size, bool big_endian>
2094 class Verneed
2095 {
2096  public:
2097   Verneed(const unsigned char* p)
2098     : p_(reinterpret_cast<const internal::Verneed_data*>(p))
2099   { }
2100
2101   template<typename File>
2102   Verneed(File* file, typename File::Location loc)
2103     : p_(reinterpret_cast<const internal::Verneed_data*>(
2104            file->view(loc.file_offset, loc.data_size).data()))
2105   { }
2106
2107   Elf_Half
2108   get_vn_version() const
2109   { return Convert<16, big_endian>::convert_host(this->p_->vn_version); }
2110
2111   Elf_Half
2112   get_vn_cnt() const
2113   { return Convert<16, big_endian>::convert_host(this->p_->vn_cnt); }
2114
2115   Elf_Word
2116   get_vn_file() const
2117   { return Convert<32, big_endian>::convert_host(this->p_->vn_file); }
2118
2119   Elf_Word
2120   get_vn_aux() const
2121   { return Convert<32, big_endian>::convert_host(this->p_->vn_aux); }
2122
2123   Elf_Word
2124   get_vn_next() const
2125   { return Convert<32, big_endian>::convert_host(this->p_->vn_next); }
2126
2127  private:
2128   const internal::Verneed_data* p_;
2129 };
2130
2131 template<int size, bool big_endian>
2132 class Verneed_write
2133 {
2134  public:
2135   Verneed_write(unsigned char* p)
2136     : p_(reinterpret_cast<internal::Verneed_data*>(p))
2137   { }
2138
2139   void
2140   set_vn_version(Elf_Half v)
2141   { this->p_->vn_version = Convert<16, big_endian>::convert_host(v); }
2142
2143   void
2144   set_vn_cnt(Elf_Half v)
2145   { this->p_->vn_cnt = Convert<16, big_endian>::convert_host(v); }
2146
2147   void
2148   set_vn_file(Elf_Word v)
2149   { this->p_->vn_file = Convert<32, big_endian>::convert_host(v); }
2150
2151   void
2152   set_vn_aux(Elf_Word v)
2153   { this->p_->vn_aux = Convert<32, big_endian>::convert_host(v); }
2154
2155   void
2156   set_vn_next(Elf_Word v)
2157   { this->p_->vn_next = Convert<32, big_endian>::convert_host(v); }
2158
2159  private:
2160   internal::Verneed_data* p_;
2161 };
2162
2163 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed
2164 // section.
2165
2166 template<int size, bool big_endian>
2167 class Vernaux
2168 {
2169  public:
2170   Vernaux(const unsigned char* p)
2171     : p_(reinterpret_cast<const internal::Vernaux_data*>(p))
2172   { }
2173
2174   template<typename File>
2175   Vernaux(File* file, typename File::Location loc)
2176     : p_(reinterpret_cast<const internal::Vernaux_data*>(
2177            file->view(loc.file_offset, loc.data_size).data()))
2178   { }
2179
2180   Elf_Word
2181   get_vna_hash() const
2182   { return Convert<32, big_endian>::convert_host(this->p_->vna_hash); }
2183
2184   Elf_Half
2185   get_vna_flags() const
2186   { return Convert<16, big_endian>::convert_host(this->p_->vna_flags); }
2187
2188   Elf_Half
2189   get_vna_other() const
2190   { return Convert<16, big_endian>::convert_host(this->p_->vna_other); }
2191
2192   Elf_Word
2193   get_vna_name() const
2194   { return Convert<32, big_endian>::convert_host(this->p_->vna_name); }
2195
2196   Elf_Word
2197   get_vna_next() const
2198   { return Convert<32, big_endian>::convert_host(this->p_->vna_next); }
2199
2200  private:
2201   const internal::Vernaux_data* p_;
2202 };
2203
2204 template<int size, bool big_endian>
2205 class Vernaux_write
2206 {
2207  public:
2208   Vernaux_write(unsigned char* p)
2209     : p_(reinterpret_cast<internal::Vernaux_data*>(p))
2210   { }
2211
2212   void
2213   set_vna_hash(Elf_Word v)
2214   { this->p_->vna_hash = Convert<32, big_endian>::convert_host(v); }
2215
2216   void
2217   set_vna_flags(Elf_Half v)
2218   { this->p_->vna_flags = Convert<16, big_endian>::convert_host(v); }
2219
2220   void
2221   set_vna_other(Elf_Half v)
2222   { this->p_->vna_other = Convert<16, big_endian>::convert_host(v); }
2223
2224   void
2225   set_vna_name(Elf_Word v)
2226   { this->p_->vna_name = Convert<32, big_endian>::convert_host(v); }
2227
2228   void
2229   set_vna_next(Elf_Word v)
2230   { this->p_->vna_next = Convert<32, big_endian>::convert_host(v); }
2231
2232  private:
2233   internal::Vernaux_data* p_;
2234 };
2235
2236 } // End namespace elfcpp.
2237
2238 #endif // !defined(ELFPCP_H)