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