elfcpp/elfcpp.h

   1 // elfcpp.h -- main header file for elfcpp    -*- C++ -*-
   2
   3 // Copyright 2006, 2007, 2008, 2009 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_LINUX is not listed in the ELF standard.
 133   ELFOSABI_LINUX = 3,
 134   // ELFOSABI_HURD is not listed in the ELF standard.
 135   ELFOSABI_HURD = 4,
 136   ELFOSABI_SOLARIS = 6,
 137   ELFOSABI_AIX = 7,
 138   ELFOSABI_IRIX = 8,
 139   ELFOSABI_FREEBSD = 9,
 140   ELFOSABI_TRU64 = 10,
 141   ELFOSABI_MODESTO = 11,
 142   ELFOSABI_OPENBSD = 12,
 143   ELFOSABI_OPENVMS = 13,
 144   ELFOSABI_NSK = 14,
 145   ELFOSABI_AROS = 15,
 146   // A GNU extension for the ARM.
 147   ELFOSABI_ARM = 97,
 148   // A GNU extension for the MSP.
 149   ELFOSABI_STANDALONE = 255
 150 };
 151
 152 // The valid values found in the Ehdr e_type field.
 153
 154 enum ET
 155 {
 156   ET_NONE = 0,
 157   ET_REL = 1,
 158   ET_EXEC = 2,
 159   ET_DYN = 3,
 160   ET_CORE = 4,
 161   ET_LOOS = 0xfe00,
 162   ET_HIOS = 0xfeff,
 163   ET_LOPROC = 0xff00,
 164   ET_HIPROC = 0xffff
 165 };
 166
 167 // The valid values found in the Ehdr e_machine field.
 168
 169 enum EM
 170 {
 171   EM_NONE = 0,
 172   EM_M32 = 1,
 173   EM_SPARC = 2,
 174   EM_386 = 3,
 175   EM_68K = 4,
 176   EM_88K = 5,
 177   // 6 used to be EM_486
 178   EM_860 = 7,
 179   EM_MIPS = 8,
 180   EM_S370 = 9,
 181   EM_MIPS_RS3_LE = 10,
 182   // 11 was the old Sparc V9 ABI.
 183   // 12 through 14 are reserved.
 184   EM_PARISC = 15,
 185   // 16 is reserved.
 186   // Some old PowerPC object files use 17.
 187   EM_VPP500 = 17,
 188   EM_SPARC32PLUS = 18,
 189   EM_960 = 19,
 190   EM_PPC = 20,
 191   EM_PPC64 = 21,
 192   EM_S390 = 22,
 193   // 23 through 35 are served.
 194   EM_V800 = 36,
 195   EM_FR20 = 37,
 196   EM_RH32 = 38,
 197   EM_RCE = 39,
 198   EM_ARM = 40,
 199   EM_ALPHA = 41,
 200   EM_SH = 42,
 201   EM_SPARCV9 = 43,
 202   EM_TRICORE = 44,
 203   EM_ARC = 45,
 204   EM_H8_300 = 46,
 205   EM_H8_300H = 47,
 206   EM_H8S = 48,
 207   EM_H8_500 = 49,
 208   EM_IA_64 = 50,
 209   EM_MIPS_X = 51,
 210   EM_COLDFIRE = 52,
 211   EM_68HC12 = 53,
 212   EM_MMA = 54,
 213   EM_PCP = 55,
 214   EM_NCPU = 56,
 215   EM_NDR1 = 57,
 216   EM_STARCORE = 58,
 217   EM_ME16 = 59,
 218   EM_ST100 = 60,
 219   EM_TINYJ = 61,
 220   EM_X86_64 = 62,
 221   EM_PDSP = 63,
 222   EM_PDP10 = 64,
 223   EM_PDP11 = 65,
 224   EM_FX66 = 66,
 225   EM_ST9PLUS = 67,
 226   EM_ST7 = 68,
 227   EM_68HC16 = 69,
 228   EM_68HC11 = 70,
 229   EM_68HC08 = 71,
 230   EM_68HC05 = 72,
 231   EM_SVX = 73,
 232   EM_ST19 = 74,
 233   EM_VAX = 75,
 234   EM_CRIS = 76,
 235   EM_JAVELIN = 77,
 236   EM_FIREPATH = 78,
 237   EM_ZSP = 79,
 238   EM_MMIX = 80,
 239   EM_HUANY = 81,
 240   EM_PRISM = 82,
 241   EM_AVR = 83,
 242   EM_FR30 = 84,
 243   EM_D10V = 85,
 244   EM_D30V = 86,
 245   EM_V850 = 87,
 246   EM_M32R = 88,
 247   EM_MN10300 = 89,
 248   EM_MN10200 = 90,
 249   EM_PJ = 91,
 250   EM_OPENRISC = 92,
 251   EM_ARC_A5 = 93,
 252   EM_XTENSA = 94,
 253   EM_VIDEOCORE = 95,
 254   EM_TMM_GPP = 96,
 255   EM_NS32K = 97,
 256   EM_TPC = 98,
 257   // Some old picoJava object files use 99 (EM_PJ is correct).
 258   EM_SNP1K = 99,
 259   EM_ST200 = 100,
 260   EM_IP2K = 101,
 261   EM_MAX = 102,
 262   EM_CR = 103,
 263   EM_F2MC16 = 104,
 264   EM_MSP430 = 105,
 265   EM_BLACKFIN = 106,
 266   EM_SE_C33 = 107,
 267   EM_SEP = 108,
 268   EM_ARCA = 109,
 269   EM_UNICORE = 110,
 270   EM_ALTERA_NIOS2 = 113,
 271   EM_CRX = 114,
 272   // The Morph MT.
 273   EM_MT = 0x2530,
 274   // DLX.
 275   EM_DLX = 0x5aa5,
 276   // FRV.
 277   EM_FRV = 0x5441,
 278   // Infineon Technologies 16-bit microcontroller with C166-V2 core.
 279   EM_X16X = 0x4688,
 280   // Xstorym16
 281   EM_XSTORMY16 = 0xad45,
 282   // Renesas M32C
 283   EM_M32C = 0xfeb0,
 284   // Vitesse IQ2000
 285   EM_IQ2000 = 0xfeba,
 286   // NIOS
 287   EM_NIOS32 = 0xfebb
 288   // Old AVR objects used 0x1057 (EM_AVR is correct).
 289   // Old MSP430 objects used 0x1059 (EM_MSP430 is correct).
 290   // Old FR30 objects used 0x3330 (EM_FR30 is correct).
 291   // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OPENRISC is correct).
 292   // Old D10V objects used 0x7650 (EM_D10V is correct).
 293   // Old D30V objects used 0x7676 (EM_D30V is correct).
 294   // Old IP2X objects used 0x8217 (EM_IP2K is correct).
 295   // Old PowerPC objects used 0x9025 (EM_PPC is correct).
 296   // Old Alpha objects used 0x9026 (EM_ALPHA is correct).
 297   // Old M32R objects used 0x9041 (EM_M32R is correct).
 298   // Old V850 objects used 0x9080 (EM_V850 is correct).
 299   // Old S/390 objects used 0xa390 (EM_S390 is correct).
 300   // Old Xtensa objects used 0xabc7 (EM_XTENSA is correct).
 301   // Old MN10300 objects used 0xbeef (EM_MN10300 is correct).
 302   // Old MN10200 objects used 0xdead (EM_MN10200 is correct).
 303 };
 304
 305 // Special section indices.
 306
 307 enum
 308 {
 309   SHN_UNDEF = 0,
 310   SHN_LORESERVE = 0xff00,
 311   SHN_LOPROC = 0xff00,
 312   SHN_HIPROC = 0xff1f,
 313   SHN_LOOS = 0xff20,
 314   SHN_HIOS = 0xff3f,
 315   SHN_ABS = 0xfff1,
 316   SHN_COMMON = 0xfff2,
 317   SHN_XINDEX = 0xffff,
 318   SHN_HIRESERVE = 0xffff,
 319
 320   // Provide for initial and final section ordering in conjunction
 321   // with the SHF_LINK_ORDER and SHF_ORDERED section flags.
 322   SHN_BEFORE = 0xff00,
 323   SHN_AFTER = 0xff01,
 324
 325   // x86_64 specific large common symbol.
 326   SHN_X86_64_LCOMMON = 0xff02
 327 };
 328
 329 // The valid values found in the Shdr sh_type field.
 330
 331 enum SHT
 332 {
 333   SHT_NULL = 0,
 334   SHT_PROGBITS = 1,
 335   SHT_SYMTAB = 2,
 336   SHT_STRTAB = 3,
 337   SHT_RELA = 4,
 338   SHT_HASH = 5,
 339   SHT_DYNAMIC = 6,
 340   SHT_NOTE = 7,
 341   SHT_NOBITS = 8,
 342   SHT_REL = 9,
 343   SHT_SHLIB = 10,
 344   SHT_DYNSYM = 11,
 345   SHT_INIT_ARRAY = 14,
 346   SHT_FINI_ARRAY = 15,
 347   SHT_PREINIT_ARRAY = 16,
 348   SHT_GROUP = 17,
 349   SHT_SYMTAB_SHNDX = 18,
 350   SHT_LOOS = 0x60000000,
 351   SHT_HIOS = 0x6fffffff,
 352   SHT_LOPROC = 0x70000000,
 353   SHT_HIPROC = 0x7fffffff,
 354   SHT_LOUSER = 0x80000000,
 355   SHT_HIUSER = 0xffffffff,
 356   // The remaining values are not in the standard.
 357   // Incremental build data.
 358   SHT_GNU_INCREMENTAL_INPUTS = 0x6fff4700,
 359   // Object attributes.
 360   SHT_GNU_ATTRIBUTES = 0x6ffffff5,
 361   // GNU style dynamic hash table.
 362   SHT_GNU_HASH = 0x6ffffff6,
 363   // List of prelink dependencies.
 364   SHT_GNU_LIBLIST = 0x6ffffff7,
 365   // Versions defined by file.
 366   SHT_SUNW_verdef = 0x6ffffffd,
 367   SHT_GNU_verdef = 0x6ffffffd,
 368   // Versions needed by file.
 369   SHT_SUNW_verneed = 0x6ffffffe,
 370   SHT_GNU_verneed = 0x6ffffffe,
 371   // Symbol versions,
 372   SHT_SUNW_versym = 0x6fffffff,
 373   SHT_GNU_versym = 0x6fffffff,
 374
 375   SHT_SPARC_GOTDATA = 0x70000000,
 376
 377   // ARM-specific section types.
 378   // Exception Index table.
 379   SHT_ARM_EXIDX = 0x70000001,
 380   // BPABI DLL dynamic linking pre-emption map.
 381   SHT_ARM_PREEMPTMAP = 0x70000002,
 382   // Object file compatibility attributes.
 383   SHT_ARM_ATTRIBUTES = 0x70000003,
 384   // Support for debugging overlaid programs.
 385   SHT_ARM_DEBUGOVERLAY = 0x70000004,
 386   SHT_ARM_OVERLAYSECTION = 0x70000005,
 387
 388   // x86_64 unwind information.
 389   SHT_X86_64_UNWIND = 0x70000001,
 390
 391   // Link editor is to sort the entries in this section based on the
 392   // address specified in the associated symbol table entry.
 393   SHT_ORDERED = 0x7fffffff,
 394 };
 395
 396 // The valid bit flags found in the Shdr sh_flags field.
 397
 398 enum SHF
 399 {
 400   SHF_WRITE = 0x1,
 401   SHF_ALLOC = 0x2,
 402   SHF_EXECINSTR = 0x4,
 403   SHF_MERGE = 0x10,
 404   SHF_STRINGS = 0x20,
 405   SHF_INFO_LINK = 0x40,
 406   SHF_LINK_ORDER = 0x80,
 407   SHF_OS_NONCONFORMING = 0x100,
 408   SHF_GROUP = 0x200,
 409   SHF_TLS = 0x400,
 410   SHF_MASKOS = 0x0ff00000,
 411   SHF_MASKPROC = 0xf0000000,
 412
 413   // Indicates this section requires ordering in relation to
 414   // other sections of the same type.  Ordered sections are
 415   // combined within the section pointed to by the sh_link entry.
 416   // The sh_info values SHN_BEFORE and SHN_AFTER imply that the
 417   // sorted section is to precede or follow, respectively, all
 418   // other sections in the set being ordered.
 419   SHF_ORDERED = 0x40000000,
 420   // This section is excluded from input to the link-edit of an
 421   // executable or shared object.  This flag is ignored if SHF_ALLOC
 422   // is also set, or if relocations exist against the section.
 423   SHF_EXCLUDE = 0x80000000,
 424
 425   // x86_64 specific large section.
 426   SHF_X86_64_LARGE = 0x10000000
 427 };
 428
 429 // Bit flags which appear in the first 32-bit word of the section data
 430 // of a SHT_GROUP section.
 431
 432 enum
 433 {
 434   GRP_COMDAT = 0x1,
 435   GRP_MASKOS = 0x0ff00000,
 436   GRP_MASKPROC = 0xf0000000
 437 };
 438
 439 // The valid values found in the Phdr p_type field.
 440
 441 enum PT
 442 {
 443   PT_NULL = 0,
 444   PT_LOAD = 1,
 445   PT_DYNAMIC = 2,
 446   PT_INTERP = 3,
 447   PT_NOTE = 4,
 448   PT_SHLIB = 5,
 449   PT_PHDR = 6,
 450   PT_TLS = 7,
 451   PT_LOOS = 0x60000000,
 452   PT_HIOS = 0x6fffffff,
 453   PT_LOPROC = 0x70000000,
 454   PT_HIPROC = 0x7fffffff,
 455   // The remaining values are not in the standard.
 456   // Frame unwind information.
 457   PT_GNU_EH_FRAME = 0x6474e550,
 458   PT_SUNW_EH_FRAME = 0x6474e550,
 459   // Stack flags.
 460   PT_GNU_STACK = 0x6474e551,
 461   // Read only after relocation.
 462   PT_GNU_RELRO = 0x6474e552,
 463   // Platform architecture compatibility information
 464   PT_ARM_ARCHEXT = 0x70000000,
 465   // Exception unwind tables
 466   PT_ARM_EXIDX = 0x70000001
 467 };
 468
 469 // The valid bit flags found in the Phdr p_flags field.
 470
 471 enum PF
 472 {
 473   PF_X = 0x1,
 474   PF_W = 0x2,
 475   PF_R = 0x4,
 476   PF_MASKOS = 0x0ff00000,
 477   PF_MASKPROC = 0xf0000000
 478 };
 479
 480 // Symbol binding from Sym st_info field.
 481
 482 enum STB
 483 {
 484   STB_LOCAL = 0,
 485   STB_GLOBAL = 1,
 486   STB_WEAK = 2,
 487   STB_LOOS = 10,
 488   STB_GNU_UNIQUE = 10,
 489   STB_HIOS = 12,
 490   STB_LOPROC = 13,
 491   STB_HIPROC = 15
 492 };
 493
 494 // Symbol types from Sym st_info field.
 495
 496 enum STT
 497 {
 498   STT_NOTYPE = 0,
 499   STT_OBJECT = 1,
 500   STT_FUNC = 2,
 501   STT_SECTION = 3,
 502   STT_FILE = 4,
 503   STT_COMMON = 5,
 504   STT_TLS = 6,
 505   STT_LOOS = 10,
 506   STT_GNU_IFUNC = 10,
 507   STT_HIOS = 12,
 508   STT_LOPROC = 13,
 509   STT_HIPROC = 15,
 510
 511   // The section type that must be used for register symbols on
 512   // Sparc.  These symbols initialize a global register.
 513   STT_SPARC_REGISTER = 13,
 514
 515   // ARM: a THUMB function.  This is not defined in ARM ELF Specification but
 516   // used by the GNU tool-chain.
 517   STT_ARM_TFUNC = 13,
 518 };
 519
 520 inline STB
 521 elf_st_bind(unsigned char info)
 522 {
 523   return static_cast<STB>(info >> 4);
 524 }
 525
 526 inline STT
 527 elf_st_type(unsigned char info)
 528 {
 529   return static_cast<STT>(info & 0xf);
 530 }
 531
 532 inline unsigned char
 533 elf_st_info(STB bind, STT type)
 534 {
 535   return ((static_cast<unsigned char>(bind) << 4)
 536           + (static_cast<unsigned char>(type) & 0xf));
 537 }
 538
 539 // Symbol visibility from Sym st_other field.
 540
 541 enum STV
 542 {
 543   STV_DEFAULT = 0,
 544   STV_INTERNAL = 1,
 545   STV_HIDDEN = 2,
 546   STV_PROTECTED = 3
 547 };
 548
 549 inline STV
 550 elf_st_visibility(unsigned char other)
 551 {
 552   return static_cast<STV>(other & 0x3);
 553 }
 554
 555 inline unsigned char
 556 elf_st_nonvis(unsigned char other)
 557 {
 558   return static_cast<STV>(other >> 2);
 559 }
 560
 561 inline unsigned char
 562 elf_st_other(STV vis, unsigned char nonvis)
 563 {
 564   return ((nonvis << 2)
 565           + (static_cast<unsigned char>(vis) & 3));
 566 }
 567
 568 // Reloc information from Rel/Rela r_info field.
 569
 570 template<int size>
 571 unsigned int
 572 elf_r_sym(typename Elf_types<size>::Elf_WXword);
 573
 574 template<>
 575 inline unsigned int
 576 elf_r_sym<32>(Elf_Word v)
 577 {
 578   return v >> 8;
 579 }
 580
 581 template<>
 582 inline unsigned int
 583 elf_r_sym<64>(Elf_Xword v)
 584 {
 585   return v >> 32;
 586 }
 587
 588 template<int size>
 589 unsigned int
 590 elf_r_type(typename Elf_types<size>::Elf_WXword);
 591
 592 template<>
 593 inline unsigned int
 594 elf_r_type<32>(Elf_Word v)
 595 {
 596   return v & 0xff;
 597 }
 598
 599 template<>
 600 inline unsigned int
 601 elf_r_type<64>(Elf_Xword v)
 602 {
 603   return v & 0xffffffff;
 604 }
 605
 606 template<int size>
 607 typename Elf_types<size>::Elf_WXword
 608 elf_r_info(unsigned int s, unsigned int t);
 609
 610 template<>
 611 inline Elf_Word
 612 elf_r_info<32>(unsigned int s, unsigned int t)
 613 {
 614   return (s << 8) + (t & 0xff);
 615 }
 616
 617 template<>
 618 inline Elf_Xword
 619 elf_r_info<64>(unsigned int s, unsigned int t)
 620 {
 621   return (static_cast<Elf_Xword>(s) << 32) + (t & 0xffffffff);
 622 }
 623
 624 // Dynamic tags found in the PT_DYNAMIC segment.
 625
 626 enum DT
 627 {
 628   DT_NULL = 0,
 629   DT_NEEDED = 1,
 630   DT_PLTRELSZ = 2,
 631   DT_PLTGOT = 3,
 632   DT_HASH = 4,
 633   DT_STRTAB = 5,
 634   DT_SYMTAB = 6,
 635   DT_RELA = 7,
 636   DT_RELASZ = 8,
 637   DT_RELAENT = 9,
 638   DT_STRSZ = 10,
 639   DT_SYMENT = 11,
 640   DT_INIT = 12,
 641   DT_FINI = 13,
 642   DT_SONAME = 14,
 643   DT_RPATH = 15,
 644   DT_SYMBOLIC = 16,
 645   DT_REL = 17,
 646   DT_RELSZ = 18,
 647   DT_RELENT = 19,
 648   DT_PLTREL = 20,
 649   DT_DEBUG = 21,
 650   DT_TEXTREL = 22,
 651   DT_JMPREL = 23,
 652   DT_BIND_NOW = 24,
 653   DT_INIT_ARRAY = 25,
 654   DT_FINI_ARRAY = 26,
 655   DT_INIT_ARRAYSZ = 27,
 656   DT_FINI_ARRAYSZ = 28,
 657   DT_RUNPATH = 29,
 658   DT_FLAGS = 30,
 659   DT_ENCODING = 32,
 660   DT_PREINIT_ARRAY = 32,
 661   DT_PREINIT_ARRAYSZ = 33,
 662   DT_LOOS = 0x6000000d,
 663   DT_HIOS = 0x6ffff000,
 664   DT_LOPROC = 0x70000000,
 665   DT_HIPROC = 0x7fffffff,
 666
 667   // The remaining values are extensions used by GNU or Solaris.
 668   DT_VALRNGLO = 0x6ffffd00,
 669   DT_GNU_PRELINKED = 0x6ffffdf5,
 670   DT_GNU_CONFLICTSZ = 0x6ffffdf6,
 671   DT_GNU_LIBLISTSZ = 0x6ffffdf7,
 672   DT_CHECKSUM = 0x6ffffdf8,
 673   DT_PLTPADSZ = 0x6ffffdf9,
 674   DT_MOVEENT = 0x6ffffdfa,
 675   DT_MOVESZ = 0x6ffffdfb,
 676   DT_FEATURE = 0x6ffffdfc,
 677   DT_POSFLAG_1 = 0x6ffffdfd,
 678   DT_SYMINSZ = 0x6ffffdfe,
 679   DT_SYMINENT = 0x6ffffdff,
 680   DT_VALRNGHI = 0x6ffffdff,
 681
 682   DT_ADDRRNGLO = 0x6ffffe00,
 683   DT_GNU_HASH = 0x6ffffef5,
 684   DT_TLSDESC_PLT = 0x6ffffef6,
 685   DT_TLSDESC_GOT = 0x6ffffef7,
 686   DT_GNU_CONFLICT = 0x6ffffef8,
 687   DT_GNU_LIBLIST = 0x6ffffef9,
 688   DT_CONFIG = 0x6ffffefa,
 689   DT_DEPAUDIT = 0x6ffffefb,
 690   DT_AUDIT = 0x6ffffefc,
 691   DT_PLTPAD = 0x6ffffefd,
 692   DT_MOVETAB = 0x6ffffefe,
 693   DT_SYMINFO = 0x6ffffeff,
 694   DT_ADDRRNGHI = 0x6ffffeff,
 695
 696   DT_RELACOUNT = 0x6ffffff9,
 697   DT_RELCOUNT = 0x6ffffffa,
 698   DT_FLAGS_1 = 0x6ffffffb,
 699   DT_VERDEF = 0x6ffffffc,
 700   DT_VERDEFNUM = 0x6ffffffd,
 701   DT_VERNEED = 0x6ffffffe,
 702   DT_VERNEEDNUM = 0x6fffffff,
 703
 704   DT_VERSYM = 0x6ffffff0,
 705
 706   // Specify the value of _GLOBAL_OFFSET_TABLE_.
 707   DT_PPC_GOT = 0x70000000,
 708
 709   // Specify the start of the .glink section.
 710   DT_PPC64_GLINK = 0x70000000,
 711
 712   // Specify the start and size of the .opd section.
 713   DT_PPC64_OPD = 0x70000001,
 714   DT_PPC64_OPDSZ = 0x70000002,
 715
 716   // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB
 717   // symbol table.  One dynamic entry exists for every STT_SPARC_REGISTER
 718   // symbol in the symbol table.
 719   DT_SPARC_REGISTER = 0x70000001,
 720
 721   DT_AUXILIARY = 0x7ffffffd,
 722   DT_USED = 0x7ffffffe,
 723   DT_FILTER = 0x7fffffff
 724 };
 725
 726 // Flags found in the DT_FLAGS dynamic element.
 727
 728 enum DF
 729 {
 730   DF_ORIGIN = 0x1,
 731   DF_SYMBOLIC = 0x2,
 732   DF_TEXTREL = 0x4,
 733   DF_BIND_NOW = 0x8,
 734   DF_STATIC_TLS = 0x10
 735 };
 736
 737 // Flags found in the DT_FLAGS_1 dynamic element.
 738
 739 enum DF_1
 740 {
 741   DF_1_NOW = 0x1,
 742   DF_1_GLOBAL = 0x2,
 743   DF_1_GROUP = 0x4,
 744   DF_1_NODELETE = 0x8,
 745   DF_1_LOADFLTR = 0x10,
 746   DF_1_INITFIRST = 0x20,
 747   DF_1_NOOPEN = 0x40,
 748   DF_1_ORIGIN = 0x80,
 749   DF_1_DIRECT = 0x100,
 750   DF_1_TRANS = 0x200,
 751   DF_1_INTERPOSE = 0x400,
 752   DF_1_NODEFLIB = 0x800,
 753   DF_1_NODUMP = 0x1000,
 754   DF_1_CONLFAT = 0x2000,
 755 };
 756
 757 // Version numbers which appear in the vd_version field of a Verdef
 758 // structure.
 759
 760 const int VER_DEF_NONE = 0;
 761 const int VER_DEF_CURRENT = 1;
 762
 763 // Version numbers which appear in the vn_version field of a Verneed
 764 // structure.
 765
 766 const int VER_NEED_NONE = 0;
 767 const int VER_NEED_CURRENT = 1;
 768
 769 // Bit flags which appear in vd_flags of Verdef and vna_flags of
 770 // Vernaux.
 771
 772 const int VER_FLG_BASE = 0x1;
 773 const int VER_FLG_WEAK = 0x2;
 774
 775 // Special constants found in the SHT_GNU_versym entries.
 776
 777 const int VER_NDX_LOCAL = 0;
 778 const int VER_NDX_GLOBAL = 1;
 779
 780 // A SHT_GNU_versym section holds 16-bit words.  This bit is set if
 781 // the symbol is hidden and can only be seen when referenced using an
 782 // explicit version number.  This is a GNU extension.
 783
 784 const int VERSYM_HIDDEN = 0x8000;
 785
 786 // This is the mask for the rest of the data in a word read from a
 787 // SHT_GNU_versym section.
 788
 789 const int VERSYM_VERSION = 0x7fff;
 790
 791 // Note descriptor type codes for notes in a non-core file with an
 792 // empty name.
 793
 794 enum
 795 {
 796   // A version string.
 797   NT_VERSION = 1,
 798   // An architecture string.
 799   NT_ARCH = 2
 800 };
 801
 802 // Note descriptor type codes for notes in a non-core file with the
 803 // name "GNU".
 804
 805 enum
 806 {
 807   // The minimum ABI level.  This is used by the dynamic linker to
 808   // describe the minimal kernel version on which a shared library may
 809   // be used.  Th value should be four words.  Word 0 is an OS
 810   // descriptor (see below).  Word 1 is the major version of the ABI.
 811   // Word 2 is the minor version.  Word 3 is the subminor version.
 812   NT_GNU_ABI_TAG = 1,
 813   // Hardware capabilities information.  Word 0 is the number of
 814   // entries.  Word 1 is a bitmask of enabled entries.  The rest of
 815   // the descriptor is a series of entries, where each entry is a
 816   // single byte followed by a nul terminated string.  The byte gives
 817   // the bit number to test if enabled in the bitmask.
 818   NT_GNU_HWCAP = 2,
 819   // The build ID as set by the linker's --build-id option.  The
 820   // format of the descriptor depends on the build ID style.
 821   NT_GNU_BUILD_ID = 3,
 822   // The version of gold used to link.  Th descriptor is just a
 823   // string.
 824   NT_GNU_GOLD_VERSION = 4
 825 };
 826
 827 // The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note.
 828
 829 enum
 830 {
 831   ELF_NOTE_OS_LINUX = 0,
 832   ELF_NOTE_OS_GNU = 1,
 833   ELF_NOTE_OS_SOLARIS2 = 2,
 834   ELF_NOTE_OS_FREEBSD = 3,
 835   ELF_NOTE_OS_NETBSD = 4,
 836   ELF_NOTE_OS_SYLLABLE = 5
 837 };
 838
 839 } // End namespace elfcpp.
 840
 841 // Include internal details after defining the types.
 842 #include "elfcpp_internal.h"
 843
 844 namespace elfcpp
 845 {
 846
 847 // The offset of the ELF file header in the ELF file.
 848
 849 const int file_header_offset = 0;
 850
 851 // ELF structure sizes.
 852
 853 template<int size>
 854 struct Elf_sizes
 855 {
 856   // Size of ELF file header.
 857   static const int ehdr_size = sizeof(internal::Ehdr_data<size>);
 858   // Size of ELF segment header.
 859   static const int phdr_size = sizeof(internal::Phdr_data<size>);
 860   // Size of ELF section header.
 861   static const int shdr_size = sizeof(internal::Shdr_data<size>);
 862   // Size of ELF symbol table entry.
 863   static const int sym_size = sizeof(internal::Sym_data<size>);
 864   // Sizes of ELF reloc entries.
 865   static const int rel_size = sizeof(internal::Rel_data<size>);
 866   static const int rela_size = sizeof(internal::Rela_data<size>);
 867   // Size of ELF dynamic entry.
 868   static const int dyn_size = sizeof(internal::Dyn_data<size>);
 869   // Size of ELF version structures.
 870   static const int verdef_size = sizeof(internal::Verdef_data);
 871   static const int verdaux_size = sizeof(internal::Verdaux_data);
 872   static const int verneed_size = sizeof(internal::Verneed_data);
 873   static const int vernaux_size = sizeof(internal::Vernaux_data);
 874 };
 875
 876 // Accessor class for the ELF file header.
 877
 878 template<int size, bool big_endian>
 879 class Ehdr
 880 {
 881  public:
 882   Ehdr(const unsigned char* p)
 883     : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(p))
 884   { }
 885
 886   template<typename File>
 887   Ehdr(File* file, typename File::Location loc)
 888     : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(
 889            file->view(loc.file_offset, loc.data_size).data()))
 890   { }
 891
 892   const unsigned char*
 893   get_e_ident() const
 894   { return this->p_->e_ident; }
 895
 896   Elf_Half
 897   get_e_type() const
 898   { return Convert<16, big_endian>::convert_host(this->p_->e_type); }
 899
 900   Elf_Half
 901   get_e_machine() const
 902   { return Convert<16, big_endian>::convert_host(this->p_->e_machine); }
 903
 904   Elf_Word
 905   get_e_version() const
 906   { return Convert<32, big_endian>::convert_host(this->p_->e_version); }
 907
 908   typename Elf_types<size>::Elf_Addr
 909   get_e_entry() const
 910   { return Convert<size, big_endian>::convert_host(this->p_->e_entry); }
 911
 912   typename Elf_types<size>::Elf_Off
 913   get_e_phoff() const
 914   { return Convert<size, big_endian>::convert_host(this->p_->e_phoff); }
 915
 916   typename Elf_types<size>::Elf_Off
 917   get_e_shoff() const
 918   { return Convert<size, big_endian>::convert_host(this->p_->e_shoff); }
 919
 920   Elf_Word
 921   get_e_flags() const
 922   { return Convert<32, big_endian>::convert_host(this->p_->e_flags); }
 923
 924   Elf_Half
 925   get_e_ehsize() const
 926   { return Convert<16, big_endian>::convert_host(this->p_->e_ehsize); }
 927
 928   Elf_Half
 929   get_e_phentsize() const
 930   { return Convert<16, big_endian>::convert_host(this->p_->e_phentsize); }
 931
 932   Elf_Half
 933   get_e_phnum() const
 934   { return Convert<16, big_endian>::convert_host(this->p_->e_phnum); }
 935
 936   Elf_Half
 937   get_e_shentsize() const
 938   { return Convert<16, big_endian>::convert_host(this->p_->e_shentsize); }
 939
 940   Elf_Half
 941   get_e_shnum() const
 942   { return Convert<16, big_endian>::convert_host(this->p_->e_shnum); }
 943
 944   Elf_Half
 945   get_e_shstrndx() const
 946   { return Convert<16, big_endian>::convert_host(this->p_->e_shstrndx); }
 947
 948  private:
 949   const internal::Ehdr_data<size>* p_;
 950 };
 951
 952 // Write class for the ELF file header.
 953
 954 template<int size, bool big_endian>
 955 class Ehdr_write
 956 {
 957  public:
 958   Ehdr_write(unsigned char* p)
 959     : p_(reinterpret_cast<internal::Ehdr_data<size>*>(p))
 960   { }
 961
 962   void
 963   put_e_ident(const unsigned char v[EI_NIDENT]) const
 964   { memcpy(this->p_->e_ident, v, EI_NIDENT); }
 965
 966   void
 967   put_e_type(Elf_Half v)
 968   { this->p_->e_type = Convert<16, big_endian>::convert_host(v); }
 969
 970   void
 971   put_e_machine(Elf_Half v)
 972   { this->p_->e_machine = Convert<16, big_endian>::convert_host(v); }
 973
 974   void
 975   put_e_version(Elf_Word v)
 976   { this->p_->e_version = Convert<32, big_endian>::convert_host(v); }
 977
 978   void
 979   put_e_entry(typename Elf_types<size>::Elf_Addr v)
 980   { this->p_->e_entry = Convert<size, big_endian>::convert_host(v); }
 981
 982   void
 983   put_e_phoff(typename Elf_types<size>::Elf_Off v)
 984   { this->p_->e_phoff = Convert<size, big_endian>::convert_host(v); }
 985
 986   void
 987   put_e_shoff(typename Elf_types<size>::Elf_Off v)
 988   { this->p_->e_shoff = Convert<size, big_endian>::convert_host(v); }
 989
 990   void
 991   put_e_flags(Elf_Word v)
 992   { this->p_->e_flags = Convert<32, big_endian>::convert_host(v); }
 993
 994   void
 995   put_e_ehsize(Elf_Half v)
 996   { this->p_->e_ehsize = Convert<16, big_endian>::convert_host(v); }
 997
 998   void
 999   put_e_phentsize(Elf_Half v)
1000   { this->p_->e_phentsize = Convert<16, big_endian>::convert_host(v); }
1001
1002   void
1003   put_e_phnum(Elf_Half v)
1004   { this->p_->e_phnum = Convert<16, big_endian>::convert_host(v); }
1005
1006   void
1007   put_e_shentsize(Elf_Half v)
1008   { this->p_->e_shentsize = Convert<16, big_endian>::convert_host(v); }
1009
1010   void
1011   put_e_shnum(Elf_Half v)
1012   { this->p_->e_shnum = Convert<16, big_endian>::convert_host(v); }
1013
1014   void
1015   put_e_shstrndx(Elf_Half v)
1016   { this->p_->e_shstrndx = Convert<16, big_endian>::convert_host(v); }
1017
1018  private:
1019   internal::Ehdr_data<size>* p_;
1020 };
1021
1022 // Accessor class for an ELF section header.
1023
1024 template<int size, bool big_endian>
1025 class Shdr
1026 {
1027  public:
1028   Shdr(const unsigned char* p)
1029     : p_(reinterpret_cast<const internal::Shdr_data<size>*>(p))
1030   { }
1031
1032   template<typename File>
1033   Shdr(File* file, typename File::Location loc)
1034     : p_(reinterpret_cast<const internal::Shdr_data<size>*>(
1035            file->view(loc.file_offset, loc.data_size).data()))
1036   { }
1037
1038   Elf_Word
1039   get_sh_name() const
1040   { return Convert<32, big_endian>::convert_host(this->p_->sh_name); }
1041
1042   Elf_Word
1043   get_sh_type() const
1044   { return Convert<32, big_endian>::convert_host(this->p_->sh_type); }
1045
1046   typename Elf_types<size>::Elf_WXword
1047   get_sh_flags() const
1048   { return Convert<size, big_endian>::convert_host(this->p_->sh_flags); }
1049
1050   typename Elf_types<size>::Elf_Addr
1051   get_sh_addr() const
1052   { return Convert<size, big_endian>::convert_host(this->p_->sh_addr); }
1053
1054   typename Elf_types<size>::Elf_Off
1055   get_sh_offset() const
1056   { return Convert<size, big_endian>::convert_host(this->p_->sh_offset); }
1057
1058   typename Elf_types<size>::Elf_WXword
1059   get_sh_size() const
1060   { return Convert<size, big_endian>::convert_host(this->p_->sh_size); }
1061
1062   Elf_Word
1063   get_sh_link() const
1064   { return Convert<32, big_endian>::convert_host(this->p_->sh_link); }
1065
1066   Elf_Word
1067   get_sh_info() const
1068   { return Convert<32, big_endian>::convert_host(this->p_->sh_info); }
1069
1070   typename Elf_types<size>::Elf_WXword
1071   get_sh_addralign() const
1072   { return
1073       Convert<size, big_endian>::convert_host(this->p_->sh_addralign); }
1074
1075   typename Elf_types<size>::Elf_WXword
1076   get_sh_entsize() const
1077   { return Convert<size, big_endian>::convert_host(this->p_->sh_entsize); }
1078
1079  private:
1080   const internal::Shdr_data<size>* p_;
1081 };
1082
1083 // Write class for an ELF section header.
1084
1085 template<int size, bool big_endian>
1086 class Shdr_write
1087 {
1088  public:
1089   Shdr_write(unsigned char* p)
1090     : p_(reinterpret_cast<internal::Shdr_data<size>*>(p))
1091   { }
1092
1093   void
1094   put_sh_name(Elf_Word v)
1095   { this->p_->sh_name = Convert<32, big_endian>::convert_host(v); }
1096
1097   void
1098   put_sh_type(Elf_Word v)
1099   { this->p_->sh_type = Convert<32, big_endian>::convert_host(v); }
1100
1101   void
1102   put_sh_flags(typename Elf_types<size>::Elf_WXword v)
1103   { this->p_->sh_flags = Convert<size, big_endian>::convert_host(v); }
1104
1105   void
1106   put_sh_addr(typename Elf_types<size>::Elf_Addr v)
1107   { this->p_->sh_addr = Convert<size, big_endian>::convert_host(v); }
1108
1109   void
1110   put_sh_offset(typename Elf_types<size>::Elf_Off v)
1111   { this->p_->sh_offset = Convert<size, big_endian>::convert_host(v); }
1112
1113   void
1114   put_sh_size(typename Elf_types<size>::Elf_WXword v)
1115   { this->p_->sh_size = Convert<size, big_endian>::convert_host(v); }
1116
1117   void
1118   put_sh_link(Elf_Word v)
1119   { this->p_->sh_link = Convert<32, big_endian>::convert_host(v); }
1120
1121   void
1122   put_sh_info(Elf_Word v)
1123   { this->p_->sh_info = Convert<32, big_endian>::convert_host(v); }
1124
1125   void
1126   put_sh_addralign(typename Elf_types<size>::Elf_WXword v)
1127   { this->p_->sh_addralign = Convert<size, big_endian>::convert_host(v); }
1128
1129   void
1130   put_sh_entsize(typename Elf_types<size>::Elf_WXword v)
1131   { this->p_->sh_entsize = Convert<size, big_endian>::convert_host(v); }
1132
1133  private:
1134   internal::Shdr_data<size>* p_;
1135 };
1136
1137 // Accessor class for an ELF segment header.
1138
1139 template<int size, bool big_endian>
1140 class Phdr
1141 {
1142  public:
1143   Phdr(const unsigned char* p)
1144     : p_(reinterpret_cast<const internal::Phdr_data<size>*>(p))
1145   { }
1146
1147   template<typename File>
1148   Phdr(File* file, typename File::Location loc)
1149     : p_(reinterpret_cast<internal::Phdr_data<size>*>(
1150            file->view(loc.file_offset, loc.data_size).data()))
1151   { }
1152
1153   Elf_Word
1154   get_p_type() const
1155   { return Convert<32, big_endian>::convert_host(this->p_->p_type); }
1156
1157   typename Elf_types<size>::Elf_Off
1158   get_p_offset() const
1159   { return Convert<size, big_endian>::convert_host(this->p_->p_offset); }
1160
1161   typename Elf_types<size>::Elf_Addr
1162   get_p_vaddr() const
1163   { return Convert<size, big_endian>::convert_host(this->p_->p_vaddr); }
1164
1165   typename Elf_types<size>::Elf_Addr
1166   get_p_paddr() const
1167   { return Convert<size, big_endian>::convert_host(this->p_->p_paddr); }
1168
1169   typename Elf_types<size>::Elf_WXword
1170   get_p_filesz() const
1171   { return Convert<size, big_endian>::convert_host(this->p_->p_filesz); }
1172
1173   typename Elf_types<size>::Elf_WXword
1174   get_p_memsz() const
1175   { return Convert<size, big_endian>::convert_host(this->p_->p_memsz); }
1176
1177   Elf_Word
1178   get_p_flags() const
1179   { return Convert<32, big_endian>::convert_host(this->p_->p_flags); }
1180
1181   typename Elf_types<size>::Elf_WXword
1182   get_p_align() const
1183   { return Convert<size, big_endian>::convert_host(this->p_->p_align); }
1184
1185  private:
1186   const internal::Phdr_data<size>* p_;
1187 };
1188
1189 // Write class for an ELF segment header.
1190
1191 template<int size, bool big_endian>
1192 class Phdr_write
1193 {
1194  public:
1195   Phdr_write(unsigned char* p)
1196     : p_(reinterpret_cast<internal::Phdr_data<size>*>(p))
1197   { }
1198
1199   void
1200   put_p_type(Elf_Word v)
1201   { this->p_->p_type = Convert<32, big_endian>::convert_host(v); }
1202
1203   void
1204   put_p_offset(typename Elf_types<size>::Elf_Off v)
1205   { this->p_->p_offset = Convert<size, big_endian>::convert_host(v); }
1206
1207   void
1208   put_p_vaddr(typename Elf_types<size>::Elf_Addr v)
1209   { this->p_->p_vaddr = Convert<size, big_endian>::convert_host(v); }
1210
1211   void
1212   put_p_paddr(typename Elf_types<size>::Elf_Addr v)
1213   { this->p_->p_paddr = Convert<size, big_endian>::convert_host(v); }
1214
1215   void
1216   put_p_filesz(typename Elf_types<size>::Elf_WXword v)
1217   { this->p_->p_filesz = Convert<size, big_endian>::convert_host(v); }
1218
1219   void
1220   put_p_memsz(typename Elf_types<size>::Elf_WXword v)
1221   { this->p_->p_memsz = Convert<size, big_endian>::convert_host(v); }
1222
1223   void
1224   put_p_flags(Elf_Word v)
1225   { this->p_->p_flags = Convert<32, big_endian>::convert_host(v); }
1226
1227   void
1228   put_p_align(typename Elf_types<size>::Elf_WXword v)
1229   { this->p_->p_align = Convert<size, big_endian>::convert_host(v); }
1230
1231  private:
1232   internal::Phdr_data<size>* p_;
1233 };
1234
1235 // Accessor class for an ELF symbol table entry.
1236
1237 template<int size, bool big_endian>
1238 class Sym
1239 {
1240  public:
1241   Sym(const unsigned char* p)
1242     : p_(reinterpret_cast<const internal::Sym_data<size>*>(p))
1243   { }
1244
1245   template<typename File>
1246   Sym(File* file, typename File::Location loc)
1247     : p_(reinterpret_cast<const internal::Sym_data<size>*>(
1248            file->view(loc.file_offset, loc.data_size).data()))
1249   { }
1250
1251   Elf_Word
1252   get_st_name() const
1253   { return Convert<32, big_endian>::convert_host(this->p_->st_name); }
1254
1255   typename Elf_types<size>::Elf_Addr
1256   get_st_value() const
1257   { return Convert<size, big_endian>::convert_host(this->p_->st_value); }
1258
1259   typename Elf_types<size>::Elf_WXword
1260   get_st_size() const
1261   { return Convert<size, big_endian>::convert_host(this->p_->st_size); }
1262
1263   unsigned char
1264   get_st_info() const
1265   { return this->p_->st_info; }
1266
1267   STB
1268   get_st_bind() const
1269   { return elf_st_bind(this->get_st_info()); }
1270
1271   STT
1272   get_st_type() const
1273   { return elf_st_type(this->get_st_info()); }
1274
1275   unsigned char
1276   get_st_other() const
1277   { return this->p_->st_other; }
1278
1279   STV
1280   get_st_visibility() const
1281   { return elf_st_visibility(this->get_st_other()); }
1282
1283   unsigned char
1284   get_st_nonvis() const
1285   { return elf_st_nonvis(this->get_st_other()); }
1286
1287   Elf_Half
1288   get_st_shndx() const
1289   { return Convert<16, big_endian>::convert_host(this->p_->st_shndx); }
1290
1291  private:
1292   const internal::Sym_data<size>* p_;
1293 };
1294
1295 // Writer class for an ELF symbol table entry.
1296
1297 template<int size, bool big_endian>
1298 class Sym_write
1299 {
1300  public:
1301   Sym_write(unsigned char* p)
1302     : p_(reinterpret_cast<internal::Sym_data<size>*>(p))
1303   { }
1304
1305   void
1306   put_st_name(Elf_Word v)
1307   { this->p_->st_name = Convert<32, big_endian>::convert_host(v); }
1308
1309   void
1310   put_st_value(typename Elf_types<size>::Elf_Addr v)
1311   { this->p_->st_value = Convert<size, big_endian>::convert_host(v); }
1312
1313   void
1314   put_st_size(typename Elf_types<size>::Elf_WXword v)
1315   { this->p_->st_size = Convert<size, big_endian>::convert_host(v); }
1316
1317   void
1318   put_st_info(unsigned char v)
1319   { this->p_->st_info = v; }
1320
1321   void
1322   put_st_info(STB bind, STT type)
1323   { this->p_->st_info = elf_st_info(bind, type); }
1324
1325   void
1326   put_st_other(unsigned char v)
1327   { this->p_->st_other = v; }
1328
1329   void
1330   put_st_other(STV vis, unsigned char nonvis)
1331   { this->p_->st_other = elf_st_other(vis, nonvis); }
1332
1333   void
1334   put_st_shndx(Elf_Half v)
1335   { this->p_->st_shndx = Convert<16, big_endian>::convert_host(v); }
1336
1337   Sym<size, big_endian>
1338   sym()
1339   { return Sym<size, big_endian>(reinterpret_cast<unsigned char*>(this->p_)); }
1340
1341  private:
1342   internal::Sym_data<size>* p_;
1343 };
1344
1345 // Accessor classes for an ELF REL relocation entry.
1346
1347 template<int size, bool big_endian>
1348 class Rel
1349 {
1350  public:
1351   Rel(const unsigned char* p)
1352     : p_(reinterpret_cast<const internal::Rel_data<size>*>(p))
1353   { }
1354
1355   template<typename File>
1356   Rel(File* file, typename File::Location loc)
1357     : p_(reinterpret_cast<const internal::Rel_data<size>*>(
1358            file->view(loc.file_offset, loc.data_size).data()))
1359   { }
1360
1361   typename Elf_types<size>::Elf_Addr
1362   get_r_offset() const
1363   { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1364
1365   typename Elf_types<size>::Elf_WXword
1366   get_r_info() const
1367   { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1368
1369  private:
1370   const internal::Rel_data<size>* p_;
1371 };
1372
1373 // Writer class for an ELF Rel relocation.
1374
1375 template<int size, bool big_endian>
1376 class Rel_write
1377 {
1378  public:
1379   Rel_write(unsigned char* p)
1380     : p_(reinterpret_cast<internal::Rel_data<size>*>(p))
1381   { }
1382
1383   void
1384   put_r_offset(typename Elf_types<size>::Elf_Addr v)
1385   { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1386
1387   void
1388   put_r_info(typename Elf_types<size>::Elf_WXword v)
1389   { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1390
1391  private:
1392   internal::Rel_data<size>* p_;
1393 };
1394
1395 // Accessor class for an ELF Rela relocation.
1396
1397 template<int size, bool big_endian>
1398 class Rela
1399 {
1400  public:
1401   Rela(const unsigned char* p)
1402     : p_(reinterpret_cast<const internal::Rela_data<size>*>(p))
1403   { }
1404
1405   template<typename File>
1406   Rela(File* file, typename File::Location loc)
1407     : p_(reinterpret_cast<const internal::Rela_data<size>*>(
1408            file->view(loc.file_offset, loc.data_size).data()))
1409   { }
1410
1411   typename Elf_types<size>::Elf_Addr
1412   get_r_offset() const
1413   { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1414
1415   typename Elf_types<size>::Elf_WXword
1416   get_r_info() const
1417   { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1418
1419   typename Elf_types<size>::Elf_Swxword
1420   get_r_addend() const
1421   { return Convert<size, big_endian>::convert_host(this->p_->r_addend); }
1422
1423  private:
1424   const internal::Rela_data<size>* p_;
1425 };
1426
1427 // Writer class for an ELF Rela relocation.
1428
1429 template<int size, bool big_endian>
1430 class Rela_write
1431 {
1432  public:
1433   Rela_write(unsigned char* p)
1434     : p_(reinterpret_cast<internal::Rela_data<size>*>(p))
1435   { }
1436
1437   void
1438   put_r_offset(typename Elf_types<size>::Elf_Addr v)
1439   { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1440
1441   void
1442   put_r_info(typename Elf_types<size>::Elf_WXword v)
1443   { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1444
1445   void
1446   put_r_addend(typename Elf_types<size>::Elf_Swxword v)
1447   { this->p_->r_addend = Convert<size, big_endian>::convert_host(v); }
1448
1449  private:
1450   internal::Rela_data<size>* p_;
1451 };
1452
1453 // Accessor classes for entries in the ELF SHT_DYNAMIC section aka
1454 // PT_DYNAMIC segment.
1455
1456 template<int size, bool big_endian>
1457 class Dyn
1458 {
1459  public:
1460   Dyn(const unsigned char* p)
1461     : p_(reinterpret_cast<const internal::Dyn_data<size>*>(p))
1462   { }
1463
1464   template<typename File>
1465   Dyn(File* file, typename File::Location loc)
1466     : p_(reinterpret_cast<const internal::Dyn_data<size>*>(
1467            file->view(loc.file_offset, loc.data_size).data()))
1468   { }
1469
1470   typename Elf_types<size>::Elf_Swxword
1471   get_d_tag() const
1472   { return Convert<size, big_endian>::convert_host(this->p_->d_tag); }
1473
1474   typename Elf_types<size>::Elf_WXword
1475   get_d_val() const
1476   { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1477
1478   typename Elf_types<size>::Elf_Addr
1479   get_d_ptr() const
1480   { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1481
1482  private:
1483   const internal::Dyn_data<size>* p_;
1484 };
1485
1486 // Write class for an entry in the SHT_DYNAMIC section.
1487
1488 template<int size, bool big_endian>
1489 class Dyn_write
1490 {
1491  public:
1492   Dyn_write(unsigned char* p)
1493     : p_(reinterpret_cast<internal::Dyn_data<size>*>(p))
1494   { }
1495
1496   void
1497   put_d_tag(typename Elf_types<size>::Elf_Swxword v)
1498   { this->p_->d_tag = Convert<size, big_endian>::convert_host(v); }
1499
1500   void
1501   put_d_val(typename Elf_types<size>::Elf_WXword v)
1502   { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1503
1504   void
1505   put_d_ptr(typename Elf_types<size>::Elf_Addr v)
1506   { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1507
1508  private:
1509   internal::Dyn_data<size>* p_;
1510 };
1511
1512 // Accessor classes for entries in the ELF SHT_GNU_verdef section.
1513
1514 template<int size, bool big_endian>
1515 class Verdef
1516 {
1517  public:
1518   Verdef(const unsigned char* p)
1519     : p_(reinterpret_cast<const internal::Verdef_data*>(p))
1520   { }
1521
1522   template<typename File>
1523   Verdef(File* file, typename File::Location loc)
1524     : p_(reinterpret_cast<const internal::Verdef_data*>(
1525            file->view(loc.file_offset, loc.data_size).data()))
1526   { }
1527
1528   Elf_Half
1529   get_vd_version() const
1530   { return Convert<16, big_endian>::convert_host(this->p_->vd_version); }
1531
1532   Elf_Half
1533   get_vd_flags() const
1534   { return Convert<16, big_endian>::convert_host(this->p_->vd_flags); }
1535
1536   Elf_Half
1537   get_vd_ndx() const
1538   { return Convert<16, big_endian>::convert_host(this->p_->vd_ndx); }
1539
1540   Elf_Half
1541   get_vd_cnt() const
1542   { return Convert<16, big_endian>::convert_host(this->p_->vd_cnt); }
1543
1544   Elf_Word
1545   get_vd_hash() const
1546   { return Convert<32, big_endian>::convert_host(this->p_->vd_hash); }
1547
1548   Elf_Word
1549   get_vd_aux() const
1550   { return Convert<32, big_endian>::convert_host(this->p_->vd_aux); }
1551
1552   Elf_Word
1553   get_vd_next() const
1554   { return Convert<32, big_endian>::convert_host(this->p_->vd_next); }
1555
1556  private:
1557   const internal::Verdef_data* p_;
1558 };
1559
1560 template<int size, bool big_endian>
1561 class Verdef_write
1562 {
1563  public:
1564   Verdef_write(unsigned char* p)
1565     : p_(reinterpret_cast<internal::Verdef_data*>(p))
1566   { }
1567
1568   void
1569   set_vd_version(Elf_Half v)
1570   { this->p_->vd_version = Convert<16, big_endian>::convert_host(v); }
1571
1572   void
1573   set_vd_flags(Elf_Half v)
1574   { this->p_->vd_flags = Convert<16, big_endian>::convert_host(v); }
1575
1576   void
1577   set_vd_ndx(Elf_Half v)
1578   { this->p_->vd_ndx = Convert<16, big_endian>::convert_host(v); }
1579
1580   void
1581   set_vd_cnt(Elf_Half v)
1582   { this->p_->vd_cnt = Convert<16, big_endian>::convert_host(v); }
1583
1584   void
1585   set_vd_hash(Elf_Word v)
1586   { this->p_->vd_hash = Convert<32, big_endian>::convert_host(v); }
1587
1588   void
1589   set_vd_aux(Elf_Word v)
1590   { this->p_->vd_aux = Convert<32, big_endian>::convert_host(v); }
1591
1592   void
1593   set_vd_next(Elf_Word v)
1594   { this->p_->vd_next = Convert<32, big_endian>::convert_host(v); }
1595
1596  private:
1597   internal::Verdef_data* p_;
1598 };
1599
1600 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef
1601 // section.
1602
1603 template<int size, bool big_endian>
1604 class Verdaux
1605 {
1606  public:
1607   Verdaux(const unsigned char* p)
1608     : p_(reinterpret_cast<const internal::Verdaux_data*>(p))
1609   { }
1610
1611   template<typename File>
1612   Verdaux(File* file, typename File::Location loc)
1613     : p_(reinterpret_cast<const internal::Verdaux_data*>(
1614            file->view(loc.file_offset, loc.data_size).data()))
1615   { }
1616
1617   Elf_Word
1618   get_vda_name() const
1619   { return Convert<32, big_endian>::convert_host(this->p_->vda_name); }
1620
1621   Elf_Word
1622   get_vda_next() const
1623   { return Convert<32, big_endian>::convert_host(this->p_->vda_next); }
1624
1625  private:
1626   const internal::Verdaux_data* p_;
1627 };
1628
1629 template<int size, bool big_endian>
1630 class Verdaux_write
1631 {
1632  public:
1633   Verdaux_write(unsigned char* p)
1634     : p_(reinterpret_cast<internal::Verdaux_data*>(p))
1635   { }
1636
1637   void
1638   set_vda_name(Elf_Word v)
1639   { this->p_->vda_name = Convert<32, big_endian>::convert_host(v); }
1640
1641   void
1642   set_vda_next(Elf_Word v)
1643   { this->p_->vda_next = Convert<32, big_endian>::convert_host(v); }
1644
1645  private:
1646   internal::Verdaux_data* p_;
1647 };
1648
1649 // Accessor classes for entries in the ELF SHT_GNU_verneed section.
1650
1651 template<int size, bool big_endian>
1652 class Verneed
1653 {
1654  public:
1655   Verneed(const unsigned char* p)
1656     : p_(reinterpret_cast<const internal::Verneed_data*>(p))
1657   { }
1658
1659   template<typename File>
1660   Verneed(File* file, typename File::Location loc)
1661     : p_(reinterpret_cast<const internal::Verneed_data*>(
1662            file->view(loc.file_offset, loc.data_size).data()))
1663   { }
1664
1665   Elf_Half
1666   get_vn_version() const
1667   { return Convert<16, big_endian>::convert_host(this->p_->vn_version); }
1668
1669   Elf_Half
1670   get_vn_cnt() const
1671   { return Convert<16, big_endian>::convert_host(this->p_->vn_cnt); }
1672
1673   Elf_Word
1674   get_vn_file() const
1675   { return Convert<32, big_endian>::convert_host(this->p_->vn_file); }
1676
1677   Elf_Word
1678   get_vn_aux() const
1679   { return Convert<32, big_endian>::convert_host(this->p_->vn_aux); }
1680
1681   Elf_Word
1682   get_vn_next() const
1683   { return Convert<32, big_endian>::convert_host(this->p_->vn_next); }
1684
1685  private:
1686   const internal::Verneed_data* p_;
1687 };
1688
1689 template<int size, bool big_endian>
1690 class Verneed_write
1691 {
1692  public:
1693   Verneed_write(unsigned char* p)
1694     : p_(reinterpret_cast<internal::Verneed_data*>(p))
1695   { }
1696
1697   void
1698   set_vn_version(Elf_Half v)
1699   { this->p_->vn_version = Convert<16, big_endian>::convert_host(v); }
1700
1701   void
1702   set_vn_cnt(Elf_Half v)
1703   { this->p_->vn_cnt = Convert<16, big_endian>::convert_host(v); }
1704
1705   void
1706   set_vn_file(Elf_Word v)
1707   { this->p_->vn_file = Convert<32, big_endian>::convert_host(v); }
1708
1709   void
1710   set_vn_aux(Elf_Word v)
1711   { this->p_->vn_aux = Convert<32, big_endian>::convert_host(v); }
1712
1713   void
1714   set_vn_next(Elf_Word v)
1715   { this->p_->vn_next = Convert<32, big_endian>::convert_host(v); }
1716
1717  private:
1718   internal::Verneed_data* p_;
1719 };
1720
1721 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed
1722 // section.
1723
1724 template<int size, bool big_endian>
1725 class Vernaux
1726 {
1727  public:
1728   Vernaux(const unsigned char* p)
1729     : p_(reinterpret_cast<const internal::Vernaux_data*>(p))
1730   { }
1731
1732   template<typename File>
1733   Vernaux(File* file, typename File::Location loc)
1734     : p_(reinterpret_cast<const internal::Vernaux_data*>(
1735            file->view(loc.file_offset, loc.data_size).data()))
1736   { }
1737
1738   Elf_Word
1739   get_vna_hash() const
1740   { return Convert<32, big_endian>::convert_host(this->p_->vna_hash); }
1741
1742   Elf_Half
1743   get_vna_flags() const
1744   { return Convert<16, big_endian>::convert_host(this->p_->vna_flags); }
1745
1746   Elf_Half
1747   get_vna_other() const
1748   { return Convert<16, big_endian>::convert_host(this->p_->vna_other); }
1749
1750   Elf_Word
1751   get_vna_name() const
1752   { return Convert<32, big_endian>::convert_host(this->p_->vna_name); }
1753
1754   Elf_Word
1755   get_vna_next() const
1756   { return Convert<32, big_endian>::convert_host(this->p_->vna_next); }
1757
1758  private:
1759   const internal::Vernaux_data* p_;
1760 };
1761
1762 template<int size, bool big_endian>
1763 class Vernaux_write
1764 {
1765  public:
1766   Vernaux_write(unsigned char* p)
1767     : p_(reinterpret_cast<internal::Vernaux_data*>(p))
1768   { }
1769
1770   void
1771   set_vna_hash(Elf_Word v)
1772   { this->p_->vna_hash = Convert<32, big_endian>::convert_host(v); }
1773
1774   void
1775   set_vna_flags(Elf_Half v)
1776   { this->p_->vna_flags = Convert<16, big_endian>::convert_host(v); }
1777
1778   void
1779   set_vna_other(Elf_Half v)
1780   { this->p_->vna_other = Convert<16, big_endian>::convert_host(v); }
1781
1782   void
1783   set_vna_name(Elf_Word v)
1784   { this->p_->vna_name = Convert<32, big_endian>::convert_host(v); }
1785
1786   void
1787   set_vna_next(Elf_Word v)
1788   { this->p_->vna_next = Convert<32, big_endian>::convert_host(v); }
1789
1790  private:
1791   internal::Vernaux_data* p_;
1792 };
1793
1794 } // End namespace elfcpp.
1795
1796 #endif // !defined(ELFPCP_H)