1 // elfcpp.h -- main header file for elfcpp -*- C++ -*- 2 3 // Copyright (C) 2006-2016 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_AARCH64 = 183, 272 EM_TILEGX = 191, 273 // The Morph MT. 274 EM_MT = 0x2530, 275 // DLX. 276 EM_DLX = 0x5aa5, 277 // FRV. 278 EM_FRV = 0x5441, 279 // Infineon Technologies 16-bit microcontroller with C166-V2 core. 280 EM_X16X = 0x4688, 281 // Xstorym16 282 EM_XSTORMY16 = 0xad45, 283 // Renesas M32C 284 EM_M32C = 0xfeb0, 285 // Vitesse IQ2000 286 EM_IQ2000 = 0xfeba, 287 // NIOS 288 EM_NIOS32 = 0xfebb 289 // Old AVR objects used 0x1057 (EM_AVR is correct). 290 // Old MSP430 objects used 0x1059 (EM_MSP430 is correct). 291 // Old FR30 objects used 0x3330 (EM_FR30 is correct). 292 // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OR1K is correct). 293 // Old D10V objects used 0x7650 (EM_D10V is correct). 294 // Old D30V objects used 0x7676 (EM_D30V is correct). 295 // Old IP2X objects used 0x8217 (EM_IP2K is correct). 296 // Old PowerPC objects used 0x9025 (EM_PPC is correct). 297 // Old Alpha objects used 0x9026 (EM_ALPHA is correct). 298 // Old M32R objects used 0x9041 (EM_M32R is correct). 299 // Old V850 objects used 0x9080 (EM_V850 is correct). 300 // Old S/390 objects used 0xa390 (EM_S390 is correct). 301 // Old Xtensa objects used 0xabc7 (EM_XTENSA is correct). 302 // Old MN10300 objects used 0xbeef (EM_MN10300 is correct). 303 // Old MN10200 objects used 0xdead (EM_MN10200 is correct). 304 }; 305 306 // A special value found in the Ehdr e_phnum field. 307 308 enum 309 { 310 // Number of program segments stored in sh_info field of first 311 // section headre. 312 PN_XNUM = 0xffff 313 }; 314 315 // Special section indices. 316 317 enum 318 { 319 SHN_UNDEF = 0, 320 SHN_LORESERVE = 0xff00, 321 SHN_LOPROC = 0xff00, 322 SHN_HIPROC = 0xff1f, 323 SHN_LOOS = 0xff20, 324 SHN_HIOS = 0xff3f, 325 SHN_ABS = 0xfff1, 326 SHN_COMMON = 0xfff2, 327 SHN_XINDEX = 0xffff, 328 SHN_HIRESERVE = 0xffff, 329 330 // Provide for initial and final section ordering in conjunction 331 // with the SHF_LINK_ORDER and SHF_ORDERED section flags. 332 SHN_BEFORE = 0xff00, 333 SHN_AFTER = 0xff01, 334 335 // x86_64 specific large common symbol. 336 SHN_X86_64_LCOMMON = 0xff02 337 }; 338 339 // The valid values found in the Shdr sh_type field. 340 341 enum SHT 342 { 343 SHT_NULL = 0, 344 SHT_PROGBITS = 1, 345 SHT_SYMTAB = 2, 346 SHT_STRTAB = 3, 347 SHT_RELA = 4, 348 SHT_HASH = 5, 349 SHT_DYNAMIC = 6, 350 SHT_NOTE = 7, 351 SHT_NOBITS = 8, 352 SHT_REL = 9, 353 SHT_SHLIB = 10, 354 SHT_DYNSYM = 11, 355 SHT_INIT_ARRAY = 14, 356 SHT_FINI_ARRAY = 15, 357 SHT_PREINIT_ARRAY = 16, 358 SHT_GROUP = 17, 359 SHT_SYMTAB_SHNDX = 18, 360 SHT_LOOS = 0x60000000, 361 SHT_HIOS = 0x6fffffff, 362 SHT_LOPROC = 0x70000000, 363 SHT_HIPROC = 0x7fffffff, 364 SHT_LOUSER = 0x80000000, 365 SHT_HIUSER = 0xffffffff, 366 // The remaining values are not in the standard. 367 // Incremental build data. 368 SHT_GNU_INCREMENTAL_INPUTS = 0x6fff4700, 369 SHT_GNU_INCREMENTAL_SYMTAB = 0x6fff4701, 370 SHT_GNU_INCREMENTAL_RELOCS = 0x6fff4702, 371 SHT_GNU_INCREMENTAL_GOT_PLT = 0x6fff4703, 372 // Object attributes. 373 SHT_GNU_ATTRIBUTES = 0x6ffffff5, 374 // GNU style dynamic hash table. 375 SHT_GNU_HASH = 0x6ffffff6, 376 // List of prelink dependencies. 377 SHT_GNU_LIBLIST = 0x6ffffff7, 378 // Versions defined by file. 379 SHT_SUNW_verdef = 0x6ffffffd, 380 SHT_GNU_verdef = 0x6ffffffd, 381 // Versions needed by file. 382 SHT_SUNW_verneed = 0x6ffffffe, 383 SHT_GNU_verneed = 0x6ffffffe, 384 // Symbol versions, 385 SHT_SUNW_versym = 0x6fffffff, 386 SHT_GNU_versym = 0x6fffffff, 387 388 SHT_SPARC_GOTDATA = 0x70000000, 389 390 // ARM-specific section types. 391 // Exception Index table. 392 SHT_ARM_EXIDX = 0x70000001, 393 // BPABI DLL dynamic linking pre-emption map. 394 SHT_ARM_PREEMPTMAP = 0x70000002, 395 // Object file compatibility attributes. 396 SHT_ARM_ATTRIBUTES = 0x70000003, 397 // Support for debugging overlaid programs. 398 SHT_ARM_DEBUGOVERLAY = 0x70000004, 399 SHT_ARM_OVERLAYSECTION = 0x70000005, 400 401 // x86_64 unwind information. 402 SHT_X86_64_UNWIND = 0x70000001, 403 404 // MIPS-specific section types. 405 // Section contains register usage information. 406 SHT_MIPS_REGINFO = 0x70000006, 407 // Section contains miscellaneous options. 408 SHT_MIPS_OPTIONS = 0x7000000d, 409 // ABI related flags section. 410 SHT_MIPS_ABIFLAGS = 0x7000002a, 411 412 // AARCH64-specific section type. 413 SHT_AARCH64_ATTRIBUTES = 0x70000003, 414 415 // Link editor is to sort the entries in this section based on the 416 // address specified in the associated symbol table entry. 417 SHT_ORDERED = 0x7fffffff 418 }; 419 420 // The valid bit flags found in the Shdr sh_flags field. 421 422 enum SHF 423 { 424 SHF_WRITE = 0x1, 425 SHF_ALLOC = 0x2, 426 SHF_EXECINSTR = 0x4, 427 SHF_MERGE = 0x10, 428 SHF_STRINGS = 0x20, 429 SHF_INFO_LINK = 0x40, 430 SHF_LINK_ORDER = 0x80, 431 SHF_OS_NONCONFORMING = 0x100, 432 SHF_GROUP = 0x200, 433 SHF_TLS = 0x400, 434 SHF_COMPRESSED = 0x800, 435 SHF_MASKOS = 0x0ff00000, 436 SHF_MASKPROC = 0xf0000000, 437 438 // Indicates this section requires ordering in relation to 439 // other sections of the same type. Ordered sections are 440 // combined within the section pointed to by the sh_link entry. 441 // The sh_info values SHN_BEFORE and SHN_AFTER imply that the 442 // sorted section is to precede or follow, respectively, all 443 // other sections in the set being ordered. 444 SHF_ORDERED = 0x40000000, 445 // This section is excluded from input to the link-edit of an 446 // executable or shared object. This flag is ignored if SHF_ALLOC 447 // is also set, or if relocations exist against the section. 448 SHF_EXCLUDE = 0x80000000, 449 450 // Section with data that is GP relative addressable. 451 SHF_MIPS_GPREL = 0x10000000, 452 453 // x86_64 specific large section. 454 SHF_X86_64_LARGE = 0x10000000 455 }; 456 457 // Values which appear in the first Elf_WXword of the section data 458 // of a SHF_COMPRESSED section. 459 enum 460 { 461 ELFCOMPRESS_ZLIB = 1, 462 ELFCOMPRESS_LOOS = 0x60000000, 463 ELFCOMPRESS_HIOS = 0x6fffffff, 464 ELFCOMPRESS_LOPROC = 0x70000000, 465 ELFCOMPRESS_HIPROC = 0x7fffffff, 466 }; 467 468 // Bit flags which appear in the first 32-bit word of the section data 469 // of a SHT_GROUP section. 470 471 enum 472 { 473 GRP_COMDAT = 0x1, 474 GRP_MASKOS = 0x0ff00000, 475 GRP_MASKPROC = 0xf0000000 476 }; 477 478 // The valid values found in the Phdr p_type field. 479 480 enum PT 481 { 482 PT_NULL = 0, 483 PT_LOAD = 1, 484 PT_DYNAMIC = 2, 485 PT_INTERP = 3, 486 PT_NOTE = 4, 487 PT_SHLIB = 5, 488 PT_PHDR = 6, 489 PT_TLS = 7, 490 PT_LOOS = 0x60000000, 491 PT_HIOS = 0x6fffffff, 492 PT_LOPROC = 0x70000000, 493 PT_HIPROC = 0x7fffffff, 494 // The remaining values are not in the standard. 495 // Frame unwind information. 496 PT_GNU_EH_FRAME = 0x6474e550, 497 PT_SUNW_EH_FRAME = 0x6474e550, 498 // Stack flags. 499 PT_GNU_STACK = 0x6474e551, 500 // Read only after relocation. 501 PT_GNU_RELRO = 0x6474e552, 502 // Platform architecture compatibility information 503 PT_ARM_ARCHEXT = 0x70000000, 504 // Exception unwind tables 505 PT_ARM_EXIDX = 0x70000001, 506 // Register usage information. Identifies one .reginfo section. 507 PT_MIPS_REGINFO =0x70000000, 508 // Runtime procedure table. 509 PT_MIPS_RTPROC = 0x70000001, 510 // .MIPS.options section. 511 PT_MIPS_OPTIONS = 0x70000002, 512 // .MIPS.abiflags section. 513 PT_MIPS_ABIFLAGS = 0x70000003, 514 // Platform architecture compatibility information 515 PT_AARCH64_ARCHEXT = 0x70000000, 516 // Exception unwind tables 517 PT_AARCH64_UNWIND = 0x70000001 518 }; 519 520 // The valid bit flags found in the Phdr p_flags field. 521 522 enum PF 523 { 524 PF_X = 0x1, 525 PF_W = 0x2, 526 PF_R = 0x4, 527 PF_MASKOS = 0x0ff00000, 528 PF_MASKPROC = 0xf0000000 529 }; 530 531 // Symbol binding from Sym st_info field. 532 533 enum STB 534 { 535 STB_LOCAL = 0, 536 STB_GLOBAL = 1, 537 STB_WEAK = 2, 538 STB_LOOS = 10, 539 STB_GNU_UNIQUE = 10, 540 STB_HIOS = 12, 541 STB_LOPROC = 13, 542 STB_HIPROC = 15 543 }; 544 545 // Symbol types from Sym st_info field. 546 547 enum STT 548 { 549 STT_NOTYPE = 0, 550 STT_OBJECT = 1, 551 STT_FUNC = 2, 552 STT_SECTION = 3, 553 STT_FILE = 4, 554 STT_COMMON = 5, 555 STT_TLS = 6, 556 557 // GNU extension: symbol value points to a function which is called 558 // at runtime to determine the final value of the symbol. 559 STT_GNU_IFUNC = 10, 560 561 STT_LOOS = 10, 562 STT_HIOS = 12, 563 STT_LOPROC = 13, 564 STT_HIPROC = 15, 565 566 // The section type that must be used for register symbols on 567 // Sparc. These symbols initialize a global register. 568 STT_SPARC_REGISTER = 13, 569 570 // ARM: a THUMB function. This is not defined in ARM ELF Specification but 571 // used by the GNU tool-chain. 572 STT_ARM_TFUNC = 13 573 }; 574 575 inline STB 576 elf_st_bind(unsigned char info) 577 { 578 return static_cast<STB>(info >> 4); 579 } 580 581 inline STT 582 elf_st_type(unsigned char info) 583 { 584 return static_cast<STT>(info & 0xf); 585 } 586 587 inline unsigned char 588 elf_st_info(STB bind, STT type) 589 { 590 return ((static_cast<unsigned char>(bind) << 4) 591 + (static_cast<unsigned char>(type) & 0xf)); 592 } 593 594 // Symbol visibility from Sym st_other field. 595 596 enum STV 597 { 598 STV_DEFAULT = 0, 599 STV_INTERNAL = 1, 600 STV_HIDDEN = 2, 601 STV_PROTECTED = 3 602 }; 603 604 inline STV 605 elf_st_visibility(unsigned char other) 606 { 607 return static_cast<STV>(other & 0x3); 608 } 609 610 inline unsigned char 611 elf_st_nonvis(unsigned char other) 612 { 613 return static_cast<STV>(other >> 2); 614 } 615 616 inline unsigned char 617 elf_st_other(STV vis, unsigned char nonvis) 618 { 619 return ((nonvis << 2) 620 + (static_cast<unsigned char>(vis) & 3)); 621 } 622 623 // Reloc information from Rel/Rela r_info field. 624 625 template<int size> 626 unsigned int 627 elf_r_sym(typename Elf_types<size>::Elf_WXword); 628 629 template<> 630 inline unsigned int 631 elf_r_sym<32>(Elf_Word v) 632 { 633 return v >> 8; 634 } 635 636 template<> 637 inline unsigned int 638 elf_r_sym<64>(Elf_Xword v) 639 { 640 return v >> 32; 641 } 642 643 template<int size> 644 unsigned int 645 elf_r_type(typename Elf_types<size>::Elf_WXword); 646 647 template<> 648 inline unsigned int 649 elf_r_type<32>(Elf_Word v) 650 { 651 return v & 0xff; 652 } 653 654 template<> 655 inline unsigned int 656 elf_r_type<64>(Elf_Xword v) 657 { 658 return v & 0xffffffff; 659 } 660 661 template<int size> 662 typename Elf_types<size>::Elf_WXword 663 elf_r_info(unsigned int s, unsigned int t); 664 665 template<> 666 inline Elf_Word 667 elf_r_info<32>(unsigned int s, unsigned int t) 668 { 669 return (s << 8) + (t & 0xff); 670 } 671 672 template<> 673 inline Elf_Xword 674 elf_r_info<64>(unsigned int s, unsigned int t) 675 { 676 return (static_cast<Elf_Xword>(s) << 32) + (t & 0xffffffff); 677 } 678 679 // Dynamic tags found in the PT_DYNAMIC segment. 680 681 enum DT 682 { 683 DT_NULL = 0, 684 DT_NEEDED = 1, 685 DT_PLTRELSZ = 2, 686 DT_PLTGOT = 3, 687 DT_HASH = 4, 688 DT_STRTAB = 5, 689 DT_SYMTAB = 6, 690 DT_RELA = 7, 691 DT_RELASZ = 8, 692 DT_RELAENT = 9, 693 DT_STRSZ = 10, 694 DT_SYMENT = 11, 695 DT_INIT = 12, 696 DT_FINI = 13, 697 DT_SONAME = 14, 698 DT_RPATH = 15, 699 DT_SYMBOLIC = 16, 700 DT_REL = 17, 701 DT_RELSZ = 18, 702 DT_RELENT = 19, 703 DT_PLTREL = 20, 704 DT_DEBUG = 21, 705 DT_TEXTREL = 22, 706 DT_JMPREL = 23, 707 DT_BIND_NOW = 24, 708 DT_INIT_ARRAY = 25, 709 DT_FINI_ARRAY = 26, 710 DT_INIT_ARRAYSZ = 27, 711 DT_FINI_ARRAYSZ = 28, 712 DT_RUNPATH = 29, 713 DT_FLAGS = 30, 714 715 // This is used to mark a range of dynamic tags. It is not really 716 // a tag value. 717 DT_ENCODING = 32, 718 719 DT_PREINIT_ARRAY = 32, 720 DT_PREINIT_ARRAYSZ = 33, 721 DT_LOOS = 0x6000000d, 722 DT_HIOS = 0x6ffff000, 723 DT_LOPROC = 0x70000000, 724 DT_HIPROC = 0x7fffffff, 725 726 // The remaining values are extensions used by GNU or Solaris. 727 DT_VALRNGLO = 0x6ffffd00, 728 DT_GNU_PRELINKED = 0x6ffffdf5, 729 DT_GNU_CONFLICTSZ = 0x6ffffdf6, 730 DT_GNU_LIBLISTSZ = 0x6ffffdf7, 731 DT_CHECKSUM = 0x6ffffdf8, 732 DT_PLTPADSZ = 0x6ffffdf9, 733 DT_MOVEENT = 0x6ffffdfa, 734 DT_MOVESZ = 0x6ffffdfb, 735 DT_FEATURE = 0x6ffffdfc, 736 DT_POSFLAG_1 = 0x6ffffdfd, 737 DT_SYMINSZ = 0x6ffffdfe, 738 DT_SYMINENT = 0x6ffffdff, 739 DT_VALRNGHI = 0x6ffffdff, 740 741 DT_ADDRRNGLO = 0x6ffffe00, 742 DT_GNU_HASH = 0x6ffffef5, 743 DT_TLSDESC_PLT = 0x6ffffef6, 744 DT_TLSDESC_GOT = 0x6ffffef7, 745 DT_GNU_CONFLICT = 0x6ffffef8, 746 DT_GNU_LIBLIST = 0x6ffffef9, 747 DT_CONFIG = 0x6ffffefa, 748 DT_DEPAUDIT = 0x6ffffefb, 749 DT_AUDIT = 0x6ffffefc, 750 DT_PLTPAD = 0x6ffffefd, 751 DT_MOVETAB = 0x6ffffefe, 752 DT_SYMINFO = 0x6ffffeff, 753 DT_ADDRRNGHI = 0x6ffffeff, 754 755 DT_RELACOUNT = 0x6ffffff9, 756 DT_RELCOUNT = 0x6ffffffa, 757 DT_FLAGS_1 = 0x6ffffffb, 758 DT_VERDEF = 0x6ffffffc, 759 DT_VERDEFNUM = 0x6ffffffd, 760 DT_VERNEED = 0x6ffffffe, 761 DT_VERNEEDNUM = 0x6fffffff, 762 763 DT_VERSYM = 0x6ffffff0, 764 765 // Specify the value of _GLOBAL_OFFSET_TABLE_. 766 DT_PPC_GOT = 0x70000000, 767 768 // Specify the start of the .glink section. 769 DT_PPC64_GLINK = 0x70000000, 770 771 // Specify the start and size of the .opd section. 772 DT_PPC64_OPD = 0x70000001, 773 DT_PPC64_OPDSZ = 0x70000002, 774 775 // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB 776 // symbol table. One dynamic entry exists for every STT_SPARC_REGISTER 777 // symbol in the symbol table. 778 DT_SPARC_REGISTER = 0x70000001, 779 780 // MIPS specific dynamic array tags. 781 // 32 bit version number for runtime linker interface. 782 DT_MIPS_RLD_VERSION = 0x70000001, 783 // Time stamp. 784 DT_MIPS_TIME_STAMP = 0x70000002, 785 // Checksum of external strings and common sizes. 786 DT_MIPS_ICHECKSUM = 0x70000003, 787 // Index of version string in string table. 788 DT_MIPS_IVERSION = 0x70000004, 789 // 32 bits of flags. 790 DT_MIPS_FLAGS = 0x70000005, 791 // Base address of the segment. 792 DT_MIPS_BASE_ADDRESS = 0x70000006, 793 // ??? 794 DT_MIPS_MSYM = 0x70000007, 795 // Address of .conflict section. 796 DT_MIPS_CONFLICT = 0x70000008, 797 // Address of .liblist section. 798 DT_MIPS_LIBLIST = 0x70000009, 799 // Number of local global offset table entries. 800 DT_MIPS_LOCAL_GOTNO = 0x7000000a, 801 // Number of entries in the .conflict section. 802 DT_MIPS_CONFLICTNO = 0x7000000b, 803 // Number of entries in the .liblist section. 804 DT_MIPS_LIBLISTNO = 0x70000010, 805 // Number of entries in the .dynsym section. 806 DT_MIPS_SYMTABNO = 0x70000011, 807 // Index of first external dynamic symbol not referenced locally. 808 DT_MIPS_UNREFEXTNO = 0x70000012, 809 // Index of first dynamic symbol in global offset table. 810 DT_MIPS_GOTSYM = 0x70000013, 811 // Number of page table entries in global offset table. 812 DT_MIPS_HIPAGENO = 0x70000014, 813 // Address of run time loader map, used for debugging. 814 DT_MIPS_RLD_MAP = 0x70000016, 815 // Delta C++ class definition. 816 DT_MIPS_DELTA_CLASS = 0x70000017, 817 // Number of entries in DT_MIPS_DELTA_CLASS. 818 DT_MIPS_DELTA_CLASS_NO = 0x70000018, 819 // Delta C++ class instances. 820 DT_MIPS_DELTA_INSTANCE = 0x70000019, 821 // Number of entries in DT_MIPS_DELTA_INSTANCE. 822 DT_MIPS_DELTA_INSTANCE_NO = 0x7000001a, 823 // Delta relocations. 824 DT_MIPS_DELTA_RELOC = 0x7000001b, 825 // Number of entries in DT_MIPS_DELTA_RELOC. 826 DT_MIPS_DELTA_RELOC_NO = 0x7000001c, 827 // Delta symbols that Delta relocations refer to. 828 DT_MIPS_DELTA_SYM = 0x7000001d, 829 // Number of entries in DT_MIPS_DELTA_SYM. 830 DT_MIPS_DELTA_SYM_NO = 0x7000001e, 831 // Delta symbols that hold class declarations. 832 DT_MIPS_DELTA_CLASSSYM = 0x70000020, 833 // Number of entries in DT_MIPS_DELTA_CLASSSYM. 834 DT_MIPS_DELTA_CLASSSYM_NO = 0x70000021, 835 // Flags indicating information about C++ flavor. 836 DT_MIPS_CXX_FLAGS = 0x70000022, 837 // Pixie information (???). 838 DT_MIPS_PIXIE_INIT = 0x70000023, 839 // Address of .MIPS.symlib 840 DT_MIPS_SYMBOL_LIB = 0x70000024, 841 // The GOT index of the first PTE for a segment 842 DT_MIPS_LOCALPAGE_GOTIDX = 0x70000025, 843 // The GOT index of the first PTE for a local symbol 844 DT_MIPS_LOCAL_GOTIDX = 0x70000026, 845 // The GOT index of the first PTE for a hidden symbol 846 DT_MIPS_HIDDEN_GOTIDX = 0x70000027, 847 // The GOT index of the first PTE for a protected symbol 848 DT_MIPS_PROTECTED_GOTIDX = 0x70000028, 849 // Address of `.MIPS.options'. 850 DT_MIPS_OPTIONS = 0x70000029, 851 // Address of `.interface'. 852 DT_MIPS_INTERFACE = 0x7000002a, 853 // ??? 854 DT_MIPS_DYNSTR_ALIGN = 0x7000002b, 855 // Size of the .interface section. 856 DT_MIPS_INTERFACE_SIZE = 0x7000002c, 857 // Size of rld_text_resolve function stored in the GOT. 858 DT_MIPS_RLD_TEXT_RESOLVE_ADDR = 0x7000002d, 859 // Default suffix of DSO to be added by rld on dlopen() calls. 860 DT_MIPS_PERF_SUFFIX = 0x7000002e, 861 // Size of compact relocation section (O32). 862 DT_MIPS_COMPACT_SIZE = 0x7000002f, 863 // GP value for auxiliary GOTs. 864 DT_MIPS_GP_VALUE = 0x70000030, 865 // Address of auxiliary .dynamic. 866 DT_MIPS_AUX_DYNAMIC = 0x70000031, 867 // Address of the base of the PLTGOT. 868 DT_MIPS_PLTGOT = 0x70000032, 869 // Points to the base of a writable PLT. 870 DT_MIPS_RWPLT = 0x70000034, 871 // Relative offset of run time loader map, used for debugging. 872 DT_MIPS_RLD_MAP_REL = 0x70000035, 873 874 DT_AUXILIARY = 0x7ffffffd, 875 DT_USED = 0x7ffffffe, 876 DT_FILTER = 0x7fffffff 877 }; 878 879 // Flags found in the DT_FLAGS dynamic element. 880 881 enum DF 882 { 883 DF_ORIGIN = 0x1, 884 DF_SYMBOLIC = 0x2, 885 DF_TEXTREL = 0x4, 886 DF_BIND_NOW = 0x8, 887 DF_STATIC_TLS = 0x10 888 }; 889 890 // Flags found in the DT_FLAGS_1 dynamic element. 891 892 enum DF_1 893 { 894 DF_1_NOW = 0x1, 895 DF_1_GLOBAL = 0x2, 896 DF_1_GROUP = 0x4, 897 DF_1_NODELETE = 0x8, 898 DF_1_LOADFLTR = 0x10, 899 DF_1_INITFIRST = 0x20, 900 DF_1_NOOPEN = 0x40, 901 DF_1_ORIGIN = 0x80, 902 DF_1_DIRECT = 0x100, 903 DF_1_TRANS = 0x200, 904 DF_1_INTERPOSE = 0x400, 905 DF_1_NODEFLIB = 0x800, 906 DF_1_NODUMP = 0x1000, 907 DF_1_CONLFAT = 0x2000 908 }; 909 910 // Version numbers which appear in the vd_version field of a Verdef 911 // structure. 912 913 const int VER_DEF_NONE = 0; 914 const int VER_DEF_CURRENT = 1; 915 916 // Version numbers which appear in the vn_version field of a Verneed 917 // structure. 918 919 const int VER_NEED_NONE = 0; 920 const int VER_NEED_CURRENT = 1; 921 922 // Bit flags which appear in vd_flags of Verdef and vna_flags of 923 // Vernaux. 924 925 const int VER_FLG_BASE = 0x1; 926 const int VER_FLG_WEAK = 0x2; 927 const int VER_FLG_INFO = 0x4; 928 929 // Special constants found in the SHT_GNU_versym entries. 930 931 const int VER_NDX_LOCAL = 0; 932 const int VER_NDX_GLOBAL = 1; 933 934 // A SHT_GNU_versym section holds 16-bit words. This bit is set if 935 // the symbol is hidden and can only be seen when referenced using an 936 // explicit version number. This is a GNU extension. 937 938 const int VERSYM_HIDDEN = 0x8000; 939 940 // This is the mask for the rest of the data in a word read from a 941 // SHT_GNU_versym section. 942 943 const int VERSYM_VERSION = 0x7fff; 944 945 // Note descriptor type codes for notes in a non-core file with an 946 // empty name. 947 948 enum 949 { 950 // A version string. 951 NT_VERSION = 1, 952 // An architecture string. 953 NT_ARCH = 2 954 }; 955 956 // Note descriptor type codes for notes in a non-core file with the 957 // name "GNU". 958 959 enum 960 { 961 // The minimum ABI level. This is used by the dynamic linker to 962 // describe the minimal kernel version on which a shared library may 963 // be used. Th value should be four words. Word 0 is an OS 964 // descriptor (see below). Word 1 is the major version of the ABI. 965 // Word 2 is the minor version. Word 3 is the subminor version. 966 NT_GNU_ABI_TAG = 1, 967 // Hardware capabilities information. Word 0 is the number of 968 // entries. Word 1 is a bitmask of enabled entries. The rest of 969 // the descriptor is a series of entries, where each entry is a 970 // single byte followed by a nul terminated string. The byte gives 971 // the bit number to test if enabled in the bitmask. 972 NT_GNU_HWCAP = 2, 973 // The build ID as set by the linker's --build-id option. The 974 // format of the descriptor depends on the build ID style. 975 NT_GNU_BUILD_ID = 3, 976 // The version of gold used to link. Th descriptor is just a 977 // string. 978 NT_GNU_GOLD_VERSION = 4 979 }; 980 981 // The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note. 982 983 enum 984 { 985 ELF_NOTE_OS_LINUX = 0, 986 ELF_NOTE_OS_GNU = 1, 987 ELF_NOTE_OS_SOLARIS2 = 2, 988 ELF_NOTE_OS_FREEBSD = 3, 989 ELF_NOTE_OS_NETBSD = 4, 990 ELF_NOTE_OS_SYLLABLE = 5 991 }; 992 993 } // End namespace elfcpp. 994 995 // Include internal details after defining the types. 996 #include "elfcpp_internal.h" 997 998 namespace elfcpp 999 { 1000 1001 // The offset of the ELF file header in the ELF file. 1002 1003 const int file_header_offset = 0; 1004 1005 // ELF structure sizes. 1006 1007 template<int size> 1008 struct Elf_sizes 1009 { 1010 // Size of ELF file header. 1011 static const int ehdr_size = sizeof(internal::Ehdr_data<size>); 1012 // Size of ELF segment header. 1013 static const int phdr_size = sizeof(internal::Phdr_data<size>); 1014 // Size of ELF section header. 1015 static const int shdr_size = sizeof(internal::Shdr_data<size>); 1016 // Size of ELF compression header. 1017 static const int chdr_size = sizeof(internal::Chdr_data<size>); 1018 // Size of ELF symbol table entry. 1019 static const int sym_size = sizeof(internal::Sym_data<size>); 1020 // Sizes of ELF reloc entries. 1021 static const int rel_size = sizeof(internal::Rel_data<size>); 1022 static const int rela_size = sizeof(internal::Rela_data<size>); 1023 // Size of ELF dynamic entry. 1024 static const int dyn_size = sizeof(internal::Dyn_data<size>); 1025 // Size of ELF version structures. 1026 static const int verdef_size = sizeof(internal::Verdef_data); 1027 static const int verdaux_size = sizeof(internal::Verdaux_data); 1028 static const int verneed_size = sizeof(internal::Verneed_data); 1029 static const int vernaux_size = sizeof(internal::Vernaux_data); 1030 }; 1031 1032 // Accessor class for the ELF file header. 1033 1034 template<int size, bool big_endian> 1035 class Ehdr 1036 { 1037 public: 1038 Ehdr(const unsigned char* p) 1039 : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(p)) 1040 { } 1041 1042 template<typename File> 1043 Ehdr(File* file, typename File::Location loc) 1044 : p_(reinterpret_cast<const internal::Ehdr_data<size>*>( 1045 file->view(loc.file_offset, loc.data_size).data())) 1046 { } 1047 1048 const unsigned char* 1049 get_e_ident() const 1050 { return this->p_->e_ident; } 1051 1052 Elf_Half 1053 get_e_type() const 1054 { return Convert<16, big_endian>::convert_host(this->p_->e_type); } 1055 1056 Elf_Half 1057 get_e_machine() const 1058 { return Convert<16, big_endian>::convert_host(this->p_->e_machine); } 1059 1060 Elf_Word 1061 get_e_version() const 1062 { return Convert<32, big_endian>::convert_host(this->p_->e_version); } 1063 1064 typename Elf_types<size>::Elf_Addr 1065 get_e_entry() const 1066 { return Convert<size, big_endian>::convert_host(this->p_->e_entry); } 1067 1068 typename Elf_types<size>::Elf_Off 1069 get_e_phoff() const 1070 { return Convert<size, big_endian>::convert_host(this->p_->e_phoff); } 1071 1072 typename Elf_types<size>::Elf_Off 1073 get_e_shoff() const 1074 { return Convert<size, big_endian>::convert_host(this->p_->e_shoff); } 1075 1076 Elf_Word 1077 get_e_flags() const 1078 { return Convert<32, big_endian>::convert_host(this->p_->e_flags); } 1079 1080 Elf_Half 1081 get_e_ehsize() const 1082 { return Convert<16, big_endian>::convert_host(this->p_->e_ehsize); } 1083 1084 Elf_Half 1085 get_e_phentsize() const 1086 { return Convert<16, big_endian>::convert_host(this->p_->e_phentsize); } 1087 1088 Elf_Half 1089 get_e_phnum() const 1090 { return Convert<16, big_endian>::convert_host(this->p_->e_phnum); } 1091 1092 Elf_Half 1093 get_e_shentsize() const 1094 { return Convert<16, big_endian>::convert_host(this->p_->e_shentsize); } 1095 1096 Elf_Half 1097 get_e_shnum() const 1098 { return Convert<16, big_endian>::convert_host(this->p_->e_shnum); } 1099 1100 Elf_Half 1101 get_e_shstrndx() const 1102 { return Convert<16, big_endian>::convert_host(this->p_->e_shstrndx); } 1103 1104 private: 1105 const internal::Ehdr_data<size>* p_; 1106 }; 1107 1108 // Write class for the ELF file header. 1109 1110 template<int size, bool big_endian> 1111 class Ehdr_write 1112 { 1113 public: 1114 Ehdr_write(unsigned char* p) 1115 : p_(reinterpret_cast<internal::Ehdr_data<size>*>(p)) 1116 { } 1117 1118 void 1119 put_e_ident(const unsigned char v[EI_NIDENT]) const 1120 { memcpy(this->p_->e_ident, v, EI_NIDENT); } 1121 1122 void 1123 put_e_type(Elf_Half v) 1124 { this->p_->e_type = Convert<16, big_endian>::convert_host(v); } 1125 1126 void 1127 put_e_machine(Elf_Half v) 1128 { this->p_->e_machine = Convert<16, big_endian>::convert_host(v); } 1129 1130 void 1131 put_e_version(Elf_Word v) 1132 { this->p_->e_version = Convert<32, big_endian>::convert_host(v); } 1133 1134 void 1135 put_e_entry(typename Elf_types<size>::Elf_Addr v) 1136 { this->p_->e_entry = Convert<size, big_endian>::convert_host(v); } 1137 1138 void 1139 put_e_phoff(typename Elf_types<size>::Elf_Off v) 1140 { this->p_->e_phoff = Convert<size, big_endian>::convert_host(v); } 1141 1142 void 1143 put_e_shoff(typename Elf_types<size>::Elf_Off v) 1144 { this->p_->e_shoff = Convert<size, big_endian>::convert_host(v); } 1145 1146 void 1147 put_e_flags(Elf_Word v) 1148 { this->p_->e_flags = Convert<32, big_endian>::convert_host(v); } 1149 1150 void 1151 put_e_ehsize(Elf_Half v) 1152 { this->p_->e_ehsize = Convert<16, big_endian>::convert_host(v); } 1153 1154 void 1155 put_e_phentsize(Elf_Half v) 1156 { this->p_->e_phentsize = Convert<16, big_endian>::convert_host(v); } 1157 1158 void 1159 put_e_phnum(Elf_Half v) 1160 { this->p_->e_phnum = Convert<16, big_endian>::convert_host(v); } 1161 1162 void 1163 put_e_shentsize(Elf_Half v) 1164 { this->p_->e_shentsize = Convert<16, big_endian>::convert_host(v); } 1165 1166 void 1167 put_e_shnum(Elf_Half v) 1168 { this->p_->e_shnum = Convert<16, big_endian>::convert_host(v); } 1169 1170 void 1171 put_e_shstrndx(Elf_Half v) 1172 { this->p_->e_shstrndx = Convert<16, big_endian>::convert_host(v); } 1173 1174 private: 1175 internal::Ehdr_data<size>* p_; 1176 }; 1177 1178 // Accessor class for an ELF section header. 1179 1180 template<int size, bool big_endian> 1181 class Shdr 1182 { 1183 public: 1184 Shdr(const unsigned char* p) 1185 : p_(reinterpret_cast<const internal::Shdr_data<size>*>(p)) 1186 { } 1187 1188 template<typename File> 1189 Shdr(File* file, typename File::Location loc) 1190 : p_(reinterpret_cast<const internal::Shdr_data<size>*>( 1191 file->view(loc.file_offset, loc.data_size).data())) 1192 { } 1193 1194 Elf_Word 1195 get_sh_name() const 1196 { return Convert<32, big_endian>::convert_host(this->p_->sh_name); } 1197 1198 Elf_Word 1199 get_sh_type() const 1200 { return Convert<32, big_endian>::convert_host(this->p_->sh_type); } 1201 1202 typename Elf_types<size>::Elf_WXword 1203 get_sh_flags() const 1204 { return Convert<size, big_endian>::convert_host(this->p_->sh_flags); } 1205 1206 typename Elf_types<size>::Elf_Addr 1207 get_sh_addr() const 1208 { return Convert<size, big_endian>::convert_host(this->p_->sh_addr); } 1209 1210 typename Elf_types<size>::Elf_Off 1211 get_sh_offset() const 1212 { return Convert<size, big_endian>::convert_host(this->p_->sh_offset); } 1213 1214 typename Elf_types<size>::Elf_WXword 1215 get_sh_size() const 1216 { return Convert<size, big_endian>::convert_host(this->p_->sh_size); } 1217 1218 Elf_Word 1219 get_sh_link() const 1220 { return Convert<32, big_endian>::convert_host(this->p_->sh_link); } 1221 1222 Elf_Word 1223 get_sh_info() const 1224 { return Convert<32, big_endian>::convert_host(this->p_->sh_info); } 1225 1226 typename Elf_types<size>::Elf_WXword 1227 get_sh_addralign() const 1228 { return 1229 Convert<size, big_endian>::convert_host(this->p_->sh_addralign); } 1230 1231 typename Elf_types<size>::Elf_WXword 1232 get_sh_entsize() const 1233 { return Convert<size, big_endian>::convert_host(this->p_->sh_entsize); } 1234 1235 private: 1236 const internal::Shdr_data<size>* p_; 1237 }; 1238 1239 // Write class for an ELF section header. 1240 1241 template<int size, bool big_endian> 1242 class Shdr_write 1243 { 1244 public: 1245 Shdr_write(unsigned char* p) 1246 : p_(reinterpret_cast<internal::Shdr_data<size>*>(p)) 1247 { } 1248 1249 void 1250 put_sh_name(Elf_Word v) 1251 { this->p_->sh_name = Convert<32, big_endian>::convert_host(v); } 1252 1253 void 1254 put_sh_type(Elf_Word v) 1255 { this->p_->sh_type = Convert<32, big_endian>::convert_host(v); } 1256 1257 void 1258 put_sh_flags(typename Elf_types<size>::Elf_WXword v) 1259 { this->p_->sh_flags = Convert<size, big_endian>::convert_host(v); } 1260 1261 void 1262 put_sh_addr(typename Elf_types<size>::Elf_Addr v) 1263 { this->p_->sh_addr = Convert<size, big_endian>::convert_host(v); } 1264 1265 void 1266 put_sh_offset(typename Elf_types<size>::Elf_Off v) 1267 { this->p_->sh_offset = Convert<size, big_endian>::convert_host(v); } 1268 1269 void 1270 put_sh_size(typename Elf_types<size>::Elf_WXword v) 1271 { this->p_->sh_size = Convert<size, big_endian>::convert_host(v); } 1272 1273 void 1274 put_sh_link(Elf_Word v) 1275 { this->p_->sh_link = Convert<32, big_endian>::convert_host(v); } 1276 1277 void 1278 put_sh_info(Elf_Word v) 1279 { this->p_->sh_info = Convert<32, big_endian>::convert_host(v); } 1280 1281 void 1282 put_sh_addralign(typename Elf_types<size>::Elf_WXword v) 1283 { this->p_->sh_addralign = Convert<size, big_endian>::convert_host(v); } 1284 1285 void 1286 put_sh_entsize(typename Elf_types<size>::Elf_WXword v) 1287 { this->p_->sh_entsize = Convert<size, big_endian>::convert_host(v); } 1288 1289 private: 1290 internal::Shdr_data<size>* p_; 1291 }; 1292 1293 // Accessor class for an ELF compression header. 1294 1295 template<int size, bool big_endian> 1296 class Chdr 1297 { 1298 public: 1299 Chdr(const unsigned char* p) 1300 : p_(reinterpret_cast<const internal::Chdr_data<size>*>(p)) 1301 { } 1302 1303 template<typename File> 1304 Chdr(File* file, typename File::Location loc) 1305 : p_(reinterpret_cast<const internal::Chdr_data<size>*>( 1306 file->view(loc.file_offset, loc.data_size).data())) 1307 { } 1308 1309 Elf_Word 1310 get_ch_type() const 1311 { return Convert<size, big_endian>::convert_host(this->p_->ch_type); } 1312 1313 typename Elf_types<size>::Elf_WXword 1314 get_ch_size() const 1315 { return Convert<size, big_endian>::convert_host(this->p_->ch_size); } 1316 1317 typename Elf_types<size>::Elf_WXword 1318 get_ch_addralign() const 1319 { return 1320 Convert<size, big_endian>::convert_host(this->p_->ch_addralign); } 1321 1322 private: 1323 const internal::Chdr_data<size>* p_; 1324 }; 1325 1326 // Write class for an ELF compression header. 1327 1328 template<int size, bool big_endian> 1329 class Chdr_write 1330 { 1331 public: 1332 Chdr_write(unsigned char* p) 1333 : p_(reinterpret_cast<internal::Chdr_data<size>*>(p)) 1334 { } 1335 1336 void 1337 put_ch_type(typename Elf_types<size>::Elf_WXword v) 1338 { this->p_->ch_type = Convert<size, big_endian>::convert_host(v); } 1339 1340 void 1341 put_ch_size(typename Elf_types<size>::Elf_WXword v) 1342 { this->p_->ch_size = Convert<size, big_endian>::convert_host(v); } 1343 1344 void 1345 put_ch_addralign(typename Elf_types<size>::Elf_WXword v) 1346 { this->p_->ch_addralign = Convert<size, big_endian>::convert_host(v); } 1347 1348 private: 1349 internal::Chdr_data<size>* p_; 1350 }; 1351 1352 // Accessor class for an ELF segment header. 1353 1354 template<int size, bool big_endian> 1355 class Phdr 1356 { 1357 public: 1358 Phdr(const unsigned char* p) 1359 : p_(reinterpret_cast<const internal::Phdr_data<size>*>(p)) 1360 { } 1361 1362 template<typename File> 1363 Phdr(File* file, typename File::Location loc) 1364 : p_(reinterpret_cast<internal::Phdr_data<size>*>( 1365 file->view(loc.file_offset, loc.data_size).data())) 1366 { } 1367 1368 Elf_Word 1369 get_p_type() const 1370 { return Convert<32, big_endian>::convert_host(this->p_->p_type); } 1371 1372 typename Elf_types<size>::Elf_Off 1373 get_p_offset() const 1374 { return Convert<size, big_endian>::convert_host(this->p_->p_offset); } 1375 1376 typename Elf_types<size>::Elf_Addr 1377 get_p_vaddr() const 1378 { return Convert<size, big_endian>::convert_host(this->p_->p_vaddr); } 1379 1380 typename Elf_types<size>::Elf_Addr 1381 get_p_paddr() const 1382 { return Convert<size, big_endian>::convert_host(this->p_->p_paddr); } 1383 1384 typename Elf_types<size>::Elf_WXword 1385 get_p_filesz() const 1386 { return Convert<size, big_endian>::convert_host(this->p_->p_filesz); } 1387 1388 typename Elf_types<size>::Elf_WXword 1389 get_p_memsz() const 1390 { return Convert<size, big_endian>::convert_host(this->p_->p_memsz); } 1391 1392 Elf_Word 1393 get_p_flags() const 1394 { return Convert<32, big_endian>::convert_host(this->p_->p_flags); } 1395 1396 typename Elf_types<size>::Elf_WXword 1397 get_p_align() const 1398 { return Convert<size, big_endian>::convert_host(this->p_->p_align); } 1399 1400 private: 1401 const internal::Phdr_data<size>* p_; 1402 }; 1403 1404 // Write class for an ELF segment header. 1405 1406 template<int size, bool big_endian> 1407 class Phdr_write 1408 { 1409 public: 1410 Phdr_write(unsigned char* p) 1411 : p_(reinterpret_cast<internal::Phdr_data<size>*>(p)) 1412 { } 1413 1414 void 1415 put_p_type(Elf_Word v) 1416 { this->p_->p_type = Convert<32, big_endian>::convert_host(v); } 1417 1418 void 1419 put_p_offset(typename Elf_types<size>::Elf_Off v) 1420 { this->p_->p_offset = Convert<size, big_endian>::convert_host(v); } 1421 1422 void 1423 put_p_vaddr(typename Elf_types<size>::Elf_Addr v) 1424 { this->p_->p_vaddr = Convert<size, big_endian>::convert_host(v); } 1425 1426 void 1427 put_p_paddr(typename Elf_types<size>::Elf_Addr v) 1428 { this->p_->p_paddr = Convert<size, big_endian>::convert_host(v); } 1429 1430 void 1431 put_p_filesz(typename Elf_types<size>::Elf_WXword v) 1432 { this->p_->p_filesz = Convert<size, big_endian>::convert_host(v); } 1433 1434 void 1435 put_p_memsz(typename Elf_types<size>::Elf_WXword v) 1436 { this->p_->p_memsz = Convert<size, big_endian>::convert_host(v); } 1437 1438 void 1439 put_p_flags(Elf_Word v) 1440 { this->p_->p_flags = Convert<32, big_endian>::convert_host(v); } 1441 1442 void 1443 put_p_align(typename Elf_types<size>::Elf_WXword v) 1444 { this->p_->p_align = Convert<size, big_endian>::convert_host(v); } 1445 1446 private: 1447 internal::Phdr_data<size>* p_; 1448 }; 1449 1450 // Accessor class for an ELF symbol table entry. 1451 1452 template<int size, bool big_endian> 1453 class Sym 1454 { 1455 public: 1456 Sym(const unsigned char* p) 1457 : p_(reinterpret_cast<const internal::Sym_data<size>*>(p)) 1458 { } 1459 1460 template<typename File> 1461 Sym(File* file, typename File::Location loc) 1462 : p_(reinterpret_cast<const internal::Sym_data<size>*>( 1463 file->view(loc.file_offset, loc.data_size).data())) 1464 { } 1465 1466 Elf_Word 1467 get_st_name() const 1468 { return Convert<32, big_endian>::convert_host(this->p_->st_name); } 1469 1470 typename Elf_types<size>::Elf_Addr 1471 get_st_value() const 1472 { return Convert<size, big_endian>::convert_host(this->p_->st_value); } 1473 1474 typename Elf_types<size>::Elf_WXword 1475 get_st_size() const 1476 { return Convert<size, big_endian>::convert_host(this->p_->st_size); } 1477 1478 unsigned char 1479 get_st_info() const 1480 { return this->p_->st_info; } 1481 1482 STB 1483 get_st_bind() const 1484 { return elf_st_bind(this->get_st_info()); } 1485 1486 STT 1487 get_st_type() const 1488 { return elf_st_type(this->get_st_info()); } 1489 1490 unsigned char 1491 get_st_other() const 1492 { return this->p_->st_other; } 1493 1494 STV 1495 get_st_visibility() const 1496 { return elf_st_visibility(this->get_st_other()); } 1497 1498 unsigned char 1499 get_st_nonvis() const 1500 { return elf_st_nonvis(this->get_st_other()); } 1501 1502 Elf_Half 1503 get_st_shndx() const 1504 { return Convert<16, big_endian>::convert_host(this->p_->st_shndx); } 1505 1506 private: 1507 const internal::Sym_data<size>* p_; 1508 }; 1509 1510 // Writer class for an ELF symbol table entry. 1511 1512 template<int size, bool big_endian> 1513 class Sym_write 1514 { 1515 public: 1516 Sym_write(unsigned char* p) 1517 : p_(reinterpret_cast<internal::Sym_data<size>*>(p)) 1518 { } 1519 1520 void 1521 put_st_name(Elf_Word v) 1522 { this->p_->st_name = Convert<32, big_endian>::convert_host(v); } 1523 1524 void 1525 put_st_value(typename Elf_types<size>::Elf_Addr v) 1526 { this->p_->st_value = Convert<size, big_endian>::convert_host(v); } 1527 1528 void 1529 put_st_size(typename Elf_types<size>::Elf_WXword v) 1530 { this->p_->st_size = Convert<size, big_endian>::convert_host(v); } 1531 1532 void 1533 put_st_info(unsigned char v) 1534 { this->p_->st_info = v; } 1535 1536 void 1537 put_st_info(STB bind, STT type) 1538 { this->p_->st_info = elf_st_info(bind, type); } 1539 1540 void 1541 put_st_other(unsigned char v) 1542 { this->p_->st_other = v; } 1543 1544 void 1545 put_st_other(STV vis, unsigned char nonvis) 1546 { this->p_->st_other = elf_st_other(vis, nonvis); } 1547 1548 void 1549 put_st_shndx(Elf_Half v) 1550 { this->p_->st_shndx = Convert<16, big_endian>::convert_host(v); } 1551 1552 Sym<size, big_endian> 1553 sym() 1554 { return Sym<size, big_endian>(reinterpret_cast<unsigned char*>(this->p_)); } 1555 1556 private: 1557 internal::Sym_data<size>* p_; 1558 }; 1559 1560 // Accessor classes for an ELF REL relocation entry. 1561 1562 template<int size, bool big_endian> 1563 class Rel 1564 { 1565 public: 1566 Rel(const unsigned char* p) 1567 : p_(reinterpret_cast<const internal::Rel_data<size>*>(p)) 1568 { } 1569 1570 template<typename File> 1571 Rel(File* file, typename File::Location loc) 1572 : p_(reinterpret_cast<const internal::Rel_data<size>*>( 1573 file->view(loc.file_offset, loc.data_size).data())) 1574 { } 1575 1576 typename Elf_types<size>::Elf_Addr 1577 get_r_offset() const 1578 { return Convert<size, big_endian>::convert_host(this->p_->r_offset); } 1579 1580 typename Elf_types<size>::Elf_WXword 1581 get_r_info() const 1582 { return Convert<size, big_endian>::convert_host(this->p_->r_info); } 1583 1584 private: 1585 const internal::Rel_data<size>* p_; 1586 }; 1587 1588 // Writer class for an ELF Rel relocation. 1589 1590 template<int size, bool big_endian> 1591 class Rel_write 1592 { 1593 public: 1594 Rel_write(unsigned char* p) 1595 : p_(reinterpret_cast<internal::Rel_data<size>*>(p)) 1596 { } 1597 1598 void 1599 put_r_offset(typename Elf_types<size>::Elf_Addr v) 1600 { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); } 1601 1602 void 1603 put_r_info(typename Elf_types<size>::Elf_WXword v) 1604 { this->p_->r_info = Convert<size, big_endian>::convert_host(v); } 1605 1606 private: 1607 internal::Rel_data<size>* p_; 1608 }; 1609 1610 // Accessor class for an ELF Rela relocation. 1611 1612 template<int size, bool big_endian> 1613 class Rela 1614 { 1615 public: 1616 Rela(const unsigned char* p) 1617 : p_(reinterpret_cast<const internal::Rela_data<size>*>(p)) 1618 { } 1619 1620 template<typename File> 1621 Rela(File* file, typename File::Location loc) 1622 : p_(reinterpret_cast<const internal::Rela_data<size>*>( 1623 file->view(loc.file_offset, loc.data_size).data())) 1624 { } 1625 1626 typename Elf_types<size>::Elf_Addr 1627 get_r_offset() const 1628 { return Convert<size, big_endian>::convert_host(this->p_->r_offset); } 1629 1630 typename Elf_types<size>::Elf_WXword 1631 get_r_info() const 1632 { return Convert<size, big_endian>::convert_host(this->p_->r_info); } 1633 1634 typename Elf_types<size>::Elf_Swxword 1635 get_r_addend() const 1636 { return Convert<size, big_endian>::convert_host(this->p_->r_addend); } 1637 1638 private: 1639 const internal::Rela_data<size>* p_; 1640 }; 1641 1642 // Writer class for an ELF Rela relocation. 1643 1644 template<int size, bool big_endian> 1645 class Rela_write 1646 { 1647 public: 1648 Rela_write(unsigned char* p) 1649 : p_(reinterpret_cast<internal::Rela_data<size>*>(p)) 1650 { } 1651 1652 void 1653 put_r_offset(typename Elf_types<size>::Elf_Addr v) 1654 { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); } 1655 1656 void 1657 put_r_info(typename Elf_types<size>::Elf_WXword v) 1658 { this->p_->r_info = Convert<size, big_endian>::convert_host(v); } 1659 1660 void 1661 put_r_addend(typename Elf_types<size>::Elf_Swxword v) 1662 { this->p_->r_addend = Convert<size, big_endian>::convert_host(v); } 1663 1664 private: 1665 internal::Rela_data<size>* p_; 1666 }; 1667 1668 // MIPS-64 has a non-standard relocation layout. 1669 1670 template<bool big_endian> 1671 class Mips64_rel 1672 { 1673 public: 1674 Mips64_rel(const unsigned char* p) 1675 : p_(reinterpret_cast<const internal::Mips64_rel_data*>(p)) 1676 { } 1677 1678 template<typename File> 1679 Mips64_rel(File* file, typename File::Location loc) 1680 : p_(reinterpret_cast<const internal::Mips64_rel_data*>( 1681 file->view(loc.file_offset, loc.data_size).data())) 1682 { } 1683 1684 typename Elf_types<64>::Elf_Addr 1685 get_r_offset() const 1686 { return Convert<64, big_endian>::convert_host(this->p_->r_offset); } 1687 1688 Elf_Word 1689 get_r_sym() const 1690 { return Convert<32, big_endian>::convert_host(this->p_->r_sym); } 1691 1692 unsigned char 1693 get_r_ssym() const 1694 { return this->p_->r_ssym; } 1695 1696 unsigned char 1697 get_r_type() const 1698 { return this->p_->r_type; } 1699 1700 unsigned char 1701 get_r_type2() const 1702 { return this->p_->r_type2; } 1703 1704 unsigned char 1705 get_r_type3() const 1706 { return this->p_->r_type3; } 1707 1708 private: 1709 const internal::Mips64_rel_data* p_; 1710 }; 1711 1712 template<bool big_endian> 1713 class Mips64_rel_write 1714 { 1715 public: 1716 Mips64_rel_write(unsigned char* p) 1717 : p_(reinterpret_cast<internal::Mips64_rel_data*>(p)) 1718 { } 1719 1720 void 1721 put_r_offset(typename Elf_types<64>::Elf_Addr v) 1722 { this->p_->r_offset = Convert<64, big_endian>::convert_host(v); } 1723 1724 void 1725 put_r_sym(Elf_Word v) 1726 { this->p_->r_sym = Convert<32, big_endian>::convert_host(v); } 1727 1728 void 1729 put_r_ssym(unsigned char v) 1730 { this->p_->r_ssym = v; } 1731 1732 void 1733 put_r_type(unsigned char v) 1734 { this->p_->r_type = v; } 1735 1736 void 1737 put_r_type2(unsigned char v) 1738 { this->p_->r_type2 = v; } 1739 1740 void 1741 put_r_type3(unsigned char v) 1742 { this->p_->r_type3 = v; } 1743 1744 private: 1745 internal::Mips64_rel_data* p_; 1746 }; 1747 1748 template<bool big_endian> 1749 class Mips64_rela 1750 { 1751 public: 1752 Mips64_rela(const unsigned char* p) 1753 : p_(reinterpret_cast<const internal::Mips64_rela_data*>(p)) 1754 { } 1755 1756 template<typename File> 1757 Mips64_rela(File* file, typename File::Location loc) 1758 : p_(reinterpret_cast<const internal::Mips64_rela_data*>( 1759 file->view(loc.file_offset, loc.data_size).data())) 1760 { } 1761 1762 typename Elf_types<64>::Elf_Addr 1763 get_r_offset() const 1764 { return Convert<64, big_endian>::convert_host(this->p_->r_offset); } 1765 1766 Elf_Word 1767 get_r_sym() const 1768 { return Convert<32, big_endian>::convert_host(this->p_->r_sym); } 1769 1770 unsigned char 1771 get_r_ssym() const 1772 { return this->p_->r_ssym; } 1773 1774 unsigned char 1775 get_r_type() const 1776 { return this->p_->r_type; } 1777 1778 unsigned char 1779 get_r_type2() const 1780 { return this->p_->r_type2; } 1781 1782 unsigned char 1783 get_r_type3() const 1784 { return this->p_->r_type3; } 1785 1786 typename Elf_types<64>::Elf_Swxword 1787 get_r_addend() const 1788 { return Convert<64, big_endian>::convert_host(this->p_->r_addend); } 1789 1790 private: 1791 const internal::Mips64_rela_data* p_; 1792 }; 1793 1794 template<bool big_endian> 1795 class Mips64_rela_write 1796 { 1797 public: 1798 Mips64_rela_write(unsigned char* p) 1799 : p_(reinterpret_cast<internal::Mips64_rela_data*>(p)) 1800 { } 1801 1802 void 1803 put_r_offset(typename Elf_types<64>::Elf_Addr v) 1804 { this->p_->r_offset = Convert<64, big_endian>::convert_host(v); } 1805 1806 void 1807 put_r_sym(Elf_Word v) 1808 { this->p_->r_sym = Convert<32, big_endian>::convert_host(v); } 1809 1810 void 1811 put_r_ssym(unsigned char v) 1812 { this->p_->r_ssym = v; } 1813 1814 void 1815 put_r_type(unsigned char v) 1816 { this->p_->r_type = v; } 1817 1818 void 1819 put_r_type2(unsigned char v) 1820 { this->p_->r_type2 = v; } 1821 1822 void 1823 put_r_type3(unsigned char v) 1824 { this->p_->r_type3 = v; } 1825 1826 void 1827 put_r_addend(typename Elf_types<64>::Elf_Swxword v) 1828 { this->p_->r_addend = Convert<64, big_endian>::convert_host(v); } 1829 1830 private: 1831 internal::Mips64_rela_data* p_; 1832 }; 1833 1834 // Accessor classes for entries in the ELF SHT_DYNAMIC section aka 1835 // PT_DYNAMIC segment. 1836 1837 template<int size, bool big_endian> 1838 class Dyn 1839 { 1840 public: 1841 Dyn(const unsigned char* p) 1842 : p_(reinterpret_cast<const internal::Dyn_data<size>*>(p)) 1843 { } 1844 1845 template<typename File> 1846 Dyn(File* file, typename File::Location loc) 1847 : p_(reinterpret_cast<const internal::Dyn_data<size>*>( 1848 file->view(loc.file_offset, loc.data_size).data())) 1849 { } 1850 1851 typename Elf_types<size>::Elf_Swxword 1852 get_d_tag() const 1853 { return Convert<size, big_endian>::convert_host(this->p_->d_tag); } 1854 1855 typename Elf_types<size>::Elf_WXword 1856 get_d_val() const 1857 { return Convert<size, big_endian>::convert_host(this->p_->d_val); } 1858 1859 typename Elf_types<size>::Elf_Addr 1860 get_d_ptr() const 1861 { return Convert<size, big_endian>::convert_host(this->p_->d_val); } 1862 1863 private: 1864 const internal::Dyn_data<size>* p_; 1865 }; 1866 1867 // Write class for an entry in the SHT_DYNAMIC section. 1868 1869 template<int size, bool big_endian> 1870 class Dyn_write 1871 { 1872 public: 1873 Dyn_write(unsigned char* p) 1874 : p_(reinterpret_cast<internal::Dyn_data<size>*>(p)) 1875 { } 1876 1877 void 1878 put_d_tag(typename Elf_types<size>::Elf_Swxword v) 1879 { this->p_->d_tag = Convert<size, big_endian>::convert_host(v); } 1880 1881 void 1882 put_d_val(typename Elf_types<size>::Elf_WXword v) 1883 { this->p_->d_val = Convert<size, big_endian>::convert_host(v); } 1884 1885 void 1886 put_d_ptr(typename Elf_types<size>::Elf_Addr v) 1887 { this->p_->d_val = Convert<size, big_endian>::convert_host(v); } 1888 1889 private: 1890 internal::Dyn_data<size>* p_; 1891 }; 1892 1893 // Accessor classes for entries in the ELF SHT_GNU_verdef section. 1894 1895 template<int size, bool big_endian> 1896 class Verdef 1897 { 1898 public: 1899 Verdef(const unsigned char* p) 1900 : p_(reinterpret_cast<const internal::Verdef_data*>(p)) 1901 { } 1902 1903 template<typename File> 1904 Verdef(File* file, typename File::Location loc) 1905 : p_(reinterpret_cast<const internal::Verdef_data*>( 1906 file->view(loc.file_offset, loc.data_size).data())) 1907 { } 1908 1909 Elf_Half 1910 get_vd_version() const 1911 { return Convert<16, big_endian>::convert_host(this->p_->vd_version); } 1912 1913 Elf_Half 1914 get_vd_flags() const 1915 { return Convert<16, big_endian>::convert_host(this->p_->vd_flags); } 1916 1917 Elf_Half 1918 get_vd_ndx() const 1919 { return Convert<16, big_endian>::convert_host(this->p_->vd_ndx); } 1920 1921 Elf_Half 1922 get_vd_cnt() const 1923 { return Convert<16, big_endian>::convert_host(this->p_->vd_cnt); } 1924 1925 Elf_Word 1926 get_vd_hash() const 1927 { return Convert<32, big_endian>::convert_host(this->p_->vd_hash); } 1928 1929 Elf_Word 1930 get_vd_aux() const 1931 { return Convert<32, big_endian>::convert_host(this->p_->vd_aux); } 1932 1933 Elf_Word 1934 get_vd_next() const 1935 { return Convert<32, big_endian>::convert_host(this->p_->vd_next); } 1936 1937 private: 1938 const internal::Verdef_data* p_; 1939 }; 1940 1941 template<int size, bool big_endian> 1942 class Verdef_write 1943 { 1944 public: 1945 Verdef_write(unsigned char* p) 1946 : p_(reinterpret_cast<internal::Verdef_data*>(p)) 1947 { } 1948 1949 void 1950 set_vd_version(Elf_Half v) 1951 { this->p_->vd_version = Convert<16, big_endian>::convert_host(v); } 1952 1953 void 1954 set_vd_flags(Elf_Half v) 1955 { this->p_->vd_flags = Convert<16, big_endian>::convert_host(v); } 1956 1957 void 1958 set_vd_ndx(Elf_Half v) 1959 { this->p_->vd_ndx = Convert<16, big_endian>::convert_host(v); } 1960 1961 void 1962 set_vd_cnt(Elf_Half v) 1963 { this->p_->vd_cnt = Convert<16, big_endian>::convert_host(v); } 1964 1965 void 1966 set_vd_hash(Elf_Word v) 1967 { this->p_->vd_hash = Convert<32, big_endian>::convert_host(v); } 1968 1969 void 1970 set_vd_aux(Elf_Word v) 1971 { this->p_->vd_aux = Convert<32, big_endian>::convert_host(v); } 1972 1973 void 1974 set_vd_next(Elf_Word v) 1975 { this->p_->vd_next = Convert<32, big_endian>::convert_host(v); } 1976 1977 private: 1978 internal::Verdef_data* p_; 1979 }; 1980 1981 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef 1982 // section. 1983 1984 template<int size, bool big_endian> 1985 class Verdaux 1986 { 1987 public: 1988 Verdaux(const unsigned char* p) 1989 : p_(reinterpret_cast<const internal::Verdaux_data*>(p)) 1990 { } 1991 1992 template<typename File> 1993 Verdaux(File* file, typename File::Location loc) 1994 : p_(reinterpret_cast<const internal::Verdaux_data*>( 1995 file->view(loc.file_offset, loc.data_size).data())) 1996 { } 1997 1998 Elf_Word 1999 get_vda_name() const 2000 { return Convert<32, big_endian>::convert_host(this->p_->vda_name); } 2001 2002 Elf_Word 2003 get_vda_next() const 2004 { return Convert<32, big_endian>::convert_host(this->p_->vda_next); } 2005 2006 private: 2007 const internal::Verdaux_data* p_; 2008 }; 2009 2010 template<int size, bool big_endian> 2011 class Verdaux_write 2012 { 2013 public: 2014 Verdaux_write(unsigned char* p) 2015 : p_(reinterpret_cast<internal::Verdaux_data*>(p)) 2016 { } 2017 2018 void 2019 set_vda_name(Elf_Word v) 2020 { this->p_->vda_name = Convert<32, big_endian>::convert_host(v); } 2021 2022 void 2023 set_vda_next(Elf_Word v) 2024 { this->p_->vda_next = Convert<32, big_endian>::convert_host(v); } 2025 2026 private: 2027 internal::Verdaux_data* p_; 2028 }; 2029 2030 // Accessor classes for entries in the ELF SHT_GNU_verneed section. 2031 2032 template<int size, bool big_endian> 2033 class Verneed 2034 { 2035 public: 2036 Verneed(const unsigned char* p) 2037 : p_(reinterpret_cast<const internal::Verneed_data*>(p)) 2038 { } 2039 2040 template<typename File> 2041 Verneed(File* file, typename File::Location loc) 2042 : p_(reinterpret_cast<const internal::Verneed_data*>( 2043 file->view(loc.file_offset, loc.data_size).data())) 2044 { } 2045 2046 Elf_Half 2047 get_vn_version() const 2048 { return Convert<16, big_endian>::convert_host(this->p_->vn_version); } 2049 2050 Elf_Half 2051 get_vn_cnt() const 2052 { return Convert<16, big_endian>::convert_host(this->p_->vn_cnt); } 2053 2054 Elf_Word 2055 get_vn_file() const 2056 { return Convert<32, big_endian>::convert_host(this->p_->vn_file); } 2057 2058 Elf_Word 2059 get_vn_aux() const 2060 { return Convert<32, big_endian>::convert_host(this->p_->vn_aux); } 2061 2062 Elf_Word 2063 get_vn_next() const 2064 { return Convert<32, big_endian>::convert_host(this->p_->vn_next); } 2065 2066 private: 2067 const internal::Verneed_data* p_; 2068 }; 2069 2070 template<int size, bool big_endian> 2071 class Verneed_write 2072 { 2073 public: 2074 Verneed_write(unsigned char* p) 2075 : p_(reinterpret_cast<internal::Verneed_data*>(p)) 2076 { } 2077 2078 void 2079 set_vn_version(Elf_Half v) 2080 { this->p_->vn_version = Convert<16, big_endian>::convert_host(v); } 2081 2082 void 2083 set_vn_cnt(Elf_Half v) 2084 { this->p_->vn_cnt = Convert<16, big_endian>::convert_host(v); } 2085 2086 void 2087 set_vn_file(Elf_Word v) 2088 { this->p_->vn_file = Convert<32, big_endian>::convert_host(v); } 2089 2090 void 2091 set_vn_aux(Elf_Word v) 2092 { this->p_->vn_aux = Convert<32, big_endian>::convert_host(v); } 2093 2094 void 2095 set_vn_next(Elf_Word v) 2096 { this->p_->vn_next = Convert<32, big_endian>::convert_host(v); } 2097 2098 private: 2099 internal::Verneed_data* p_; 2100 }; 2101 2102 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed 2103 // section. 2104 2105 template<int size, bool big_endian> 2106 class Vernaux 2107 { 2108 public: 2109 Vernaux(const unsigned char* p) 2110 : p_(reinterpret_cast<const internal::Vernaux_data*>(p)) 2111 { } 2112 2113 template<typename File> 2114 Vernaux(File* file, typename File::Location loc) 2115 : p_(reinterpret_cast<const internal::Vernaux_data*>( 2116 file->view(loc.file_offset, loc.data_size).data())) 2117 { } 2118 2119 Elf_Word 2120 get_vna_hash() const 2121 { return Convert<32, big_endian>::convert_host(this->p_->vna_hash); } 2122 2123 Elf_Half 2124 get_vna_flags() const 2125 { return Convert<16, big_endian>::convert_host(this->p_->vna_flags); } 2126 2127 Elf_Half 2128 get_vna_other() const 2129 { return Convert<16, big_endian>::convert_host(this->p_->vna_other); } 2130 2131 Elf_Word 2132 get_vna_name() const 2133 { return Convert<32, big_endian>::convert_host(this->p_->vna_name); } 2134 2135 Elf_Word 2136 get_vna_next() const 2137 { return Convert<32, big_endian>::convert_host(this->p_->vna_next); } 2138 2139 private: 2140 const internal::Vernaux_data* p_; 2141 }; 2142 2143 template<int size, bool big_endian> 2144 class Vernaux_write 2145 { 2146 public: 2147 Vernaux_write(unsigned char* p) 2148 : p_(reinterpret_cast<internal::Vernaux_data*>(p)) 2149 { } 2150 2151 void 2152 set_vna_hash(Elf_Word v) 2153 { this->p_->vna_hash = Convert<32, big_endian>::convert_host(v); } 2154 2155 void 2156 set_vna_flags(Elf_Half v) 2157 { this->p_->vna_flags = Convert<16, big_endian>::convert_host(v); } 2158 2159 void 2160 set_vna_other(Elf_Half v) 2161 { this->p_->vna_other = Convert<16, big_endian>::convert_host(v); } 2162 2163 void 2164 set_vna_name(Elf_Word v) 2165 { this->p_->vna_name = Convert<32, big_endian>::convert_host(v); } 2166 2167 void 2168 set_vna_next(Elf_Word v) 2169 { this->p_->vna_next = Convert<32, big_endian>::convert_host(v); } 2170 2171 private: 2172 internal::Vernaux_data* p_; 2173 }; 2174 2175 } // End namespace elfcpp. 2176 2177 #endif // !defined(ELFPCP_H) 2178