ELF.h revision 36b56886974eae4f9c5ebc96befd3e7bfe5de338
1//===-- llvm/Support/ELF.h - ELF constants and data structures --*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This header contains common, non-processor-specific data structures and 11// constants for the ELF file format. 12// 13// The details of the ELF32 bits in this file are largely based on the Tool 14// Interface Standard (TIS) Executable and Linking Format (ELF) Specification 15// Version 1.2, May 1995. The ELF64 stuff is based on ELF-64 Object File Format 16// Version 1.5, Draft 2, May 1998 as well as OpenBSD header files. 17// 18//===----------------------------------------------------------------------===// 19 20#ifndef LLVM_SUPPORT_ELF_H 21#define LLVM_SUPPORT_ELF_H 22 23#include "llvm/Support/Compiler.h" 24#include "llvm/Support/DataTypes.h" 25#include <cstring> 26 27namespace llvm { 28 29namespace ELF { 30 31typedef uint32_t Elf32_Addr; // Program address 32typedef uint32_t Elf32_Off; // File offset 33typedef uint16_t Elf32_Half; 34typedef uint32_t Elf32_Word; 35typedef int32_t Elf32_Sword; 36 37typedef uint64_t Elf64_Addr; 38typedef uint64_t Elf64_Off; 39typedef uint16_t Elf64_Half; 40typedef uint32_t Elf64_Word; 41typedef int32_t Elf64_Sword; 42typedef uint64_t Elf64_Xword; 43typedef int64_t Elf64_Sxword; 44 45// Object file magic string. 46static const char ElfMagic[] = { 0x7f, 'E', 'L', 'F', '\0' }; 47 48// e_ident size and indices. 49enum { 50 EI_MAG0 = 0, // File identification index. 51 EI_MAG1 = 1, // File identification index. 52 EI_MAG2 = 2, // File identification index. 53 EI_MAG3 = 3, // File identification index. 54 EI_CLASS = 4, // File class. 55 EI_DATA = 5, // Data encoding. 56 EI_VERSION = 6, // File version. 57 EI_OSABI = 7, // OS/ABI identification. 58 EI_ABIVERSION = 8, // ABI version. 59 EI_PAD = 9, // Start of padding bytes. 60 EI_NIDENT = 16 // Number of bytes in e_ident. 61}; 62 63struct Elf32_Ehdr { 64 unsigned char e_ident[EI_NIDENT]; // ELF Identification bytes 65 Elf32_Half e_type; // Type of file (see ET_* below) 66 Elf32_Half e_machine; // Required architecture for this file (see EM_*) 67 Elf32_Word e_version; // Must be equal to 1 68 Elf32_Addr e_entry; // Address to jump to in order to start program 69 Elf32_Off e_phoff; // Program header table's file offset, in bytes 70 Elf32_Off e_shoff; // Section header table's file offset, in bytes 71 Elf32_Word e_flags; // Processor-specific flags 72 Elf32_Half e_ehsize; // Size of ELF header, in bytes 73 Elf32_Half e_phentsize; // Size of an entry in the program header table 74 Elf32_Half e_phnum; // Number of entries in the program header table 75 Elf32_Half e_shentsize; // Size of an entry in the section header table 76 Elf32_Half e_shnum; // Number of entries in the section header table 77 Elf32_Half e_shstrndx; // Sect hdr table index of sect name string table 78 bool checkMagic() const { 79 return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0; 80 } 81 unsigned char getFileClass() const { return e_ident[EI_CLASS]; } 82 unsigned char getDataEncoding() const { return e_ident[EI_DATA]; } 83}; 84 85// 64-bit ELF header. Fields are the same as for ELF32, but with different 86// types (see above). 87struct Elf64_Ehdr { 88 unsigned char e_ident[EI_NIDENT]; 89 Elf64_Half e_type; 90 Elf64_Half e_machine; 91 Elf64_Word e_version; 92 Elf64_Addr e_entry; 93 Elf64_Off e_phoff; 94 Elf64_Off e_shoff; 95 Elf64_Word e_flags; 96 Elf64_Half e_ehsize; 97 Elf64_Half e_phentsize; 98 Elf64_Half e_phnum; 99 Elf64_Half e_shentsize; 100 Elf64_Half e_shnum; 101 Elf64_Half e_shstrndx; 102 bool checkMagic() const { 103 return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0; 104 } 105 unsigned char getFileClass() const { return e_ident[EI_CLASS]; } 106 unsigned char getDataEncoding() const { return e_ident[EI_DATA]; } 107}; 108 109// File types 110enum { 111 ET_NONE = 0, // No file type 112 ET_REL = 1, // Relocatable file 113 ET_EXEC = 2, // Executable file 114 ET_DYN = 3, // Shared object file 115 ET_CORE = 4, // Core file 116 ET_LOPROC = 0xff00, // Beginning of processor-specific codes 117 ET_HIPROC = 0xffff // Processor-specific 118}; 119 120// Versioning 121enum { 122 EV_NONE = 0, 123 EV_CURRENT = 1 124}; 125 126// Machine architectures 127enum { 128 EM_NONE = 0, // No machine 129 EM_M32 = 1, // AT&T WE 32100 130 EM_SPARC = 2, // SPARC 131 EM_386 = 3, // Intel 386 132 EM_68K = 4, // Motorola 68000 133 EM_88K = 5, // Motorola 88000 134 EM_486 = 6, // Intel 486 (deprecated) 135 EM_860 = 7, // Intel 80860 136 EM_MIPS = 8, // MIPS R3000 137 EM_S370 = 9, // IBM System/370 138 EM_MIPS_RS3_LE = 10, // MIPS RS3000 Little-endian 139 EM_PARISC = 15, // Hewlett-Packard PA-RISC 140 EM_VPP500 = 17, // Fujitsu VPP500 141 EM_SPARC32PLUS = 18, // Enhanced instruction set SPARC 142 EM_960 = 19, // Intel 80960 143 EM_PPC = 20, // PowerPC 144 EM_PPC64 = 21, // PowerPC64 145 EM_S390 = 22, // IBM System/390 146 EM_SPU = 23, // IBM SPU/SPC 147 EM_V800 = 36, // NEC V800 148 EM_FR20 = 37, // Fujitsu FR20 149 EM_RH32 = 38, // TRW RH-32 150 EM_RCE = 39, // Motorola RCE 151 EM_ARM = 40, // ARM 152 EM_ALPHA = 41, // DEC Alpha 153 EM_SH = 42, // Hitachi SH 154 EM_SPARCV9 = 43, // SPARC V9 155 EM_TRICORE = 44, // Siemens TriCore 156 EM_ARC = 45, // Argonaut RISC Core 157 EM_H8_300 = 46, // Hitachi H8/300 158 EM_H8_300H = 47, // Hitachi H8/300H 159 EM_H8S = 48, // Hitachi H8S 160 EM_H8_500 = 49, // Hitachi H8/500 161 EM_IA_64 = 50, // Intel IA-64 processor architecture 162 EM_MIPS_X = 51, // Stanford MIPS-X 163 EM_COLDFIRE = 52, // Motorola ColdFire 164 EM_68HC12 = 53, // Motorola M68HC12 165 EM_MMA = 54, // Fujitsu MMA Multimedia Accelerator 166 EM_PCP = 55, // Siemens PCP 167 EM_NCPU = 56, // Sony nCPU embedded RISC processor 168 EM_NDR1 = 57, // Denso NDR1 microprocessor 169 EM_STARCORE = 58, // Motorola Star*Core processor 170 EM_ME16 = 59, // Toyota ME16 processor 171 EM_ST100 = 60, // STMicroelectronics ST100 processor 172 EM_TINYJ = 61, // Advanced Logic Corp. TinyJ embedded processor family 173 EM_X86_64 = 62, // AMD x86-64 architecture 174 EM_PDSP = 63, // Sony DSP Processor 175 EM_PDP10 = 64, // Digital Equipment Corp. PDP-10 176 EM_PDP11 = 65, // Digital Equipment Corp. PDP-11 177 EM_FX66 = 66, // Siemens FX66 microcontroller 178 EM_ST9PLUS = 67, // STMicroelectronics ST9+ 8/16 bit microcontroller 179 EM_ST7 = 68, // STMicroelectronics ST7 8-bit microcontroller 180 EM_68HC16 = 69, // Motorola MC68HC16 Microcontroller 181 EM_68HC11 = 70, // Motorola MC68HC11 Microcontroller 182 EM_68HC08 = 71, // Motorola MC68HC08 Microcontroller 183 EM_68HC05 = 72, // Motorola MC68HC05 Microcontroller 184 EM_SVX = 73, // Silicon Graphics SVx 185 EM_ST19 = 74, // STMicroelectronics ST19 8-bit microcontroller 186 EM_VAX = 75, // Digital VAX 187 EM_CRIS = 76, // Axis Communications 32-bit embedded processor 188 EM_JAVELIN = 77, // Infineon Technologies 32-bit embedded processor 189 EM_FIREPATH = 78, // Element 14 64-bit DSP Processor 190 EM_ZSP = 79, // LSI Logic 16-bit DSP Processor 191 EM_MMIX = 80, // Donald Knuth's educational 64-bit processor 192 EM_HUANY = 81, // Harvard University machine-independent object files 193 EM_PRISM = 82, // SiTera Prism 194 EM_AVR = 83, // Atmel AVR 8-bit microcontroller 195 EM_FR30 = 84, // Fujitsu FR30 196 EM_D10V = 85, // Mitsubishi D10V 197 EM_D30V = 86, // Mitsubishi D30V 198 EM_V850 = 87, // NEC v850 199 EM_M32R = 88, // Mitsubishi M32R 200 EM_MN10300 = 89, // Matsushita MN10300 201 EM_MN10200 = 90, // Matsushita MN10200 202 EM_PJ = 91, // picoJava 203 EM_OPENRISC = 92, // OpenRISC 32-bit embedded processor 204 EM_ARC_COMPACT = 93, // ARC International ARCompact processor (old 205 // spelling/synonym: EM_ARC_A5) 206 EM_XTENSA = 94, // Tensilica Xtensa Architecture 207 EM_VIDEOCORE = 95, // Alphamosaic VideoCore processor 208 EM_TMM_GPP = 96, // Thompson Multimedia General Purpose Processor 209 EM_NS32K = 97, // National Semiconductor 32000 series 210 EM_TPC = 98, // Tenor Network TPC processor 211 EM_SNP1K = 99, // Trebia SNP 1000 processor 212 EM_ST200 = 100, // STMicroelectronics (www.st.com) ST200 213 EM_IP2K = 101, // Ubicom IP2xxx microcontroller family 214 EM_MAX = 102, // MAX Processor 215 EM_CR = 103, // National Semiconductor CompactRISC microprocessor 216 EM_F2MC16 = 104, // Fujitsu F2MC16 217 EM_MSP430 = 105, // Texas Instruments embedded microcontroller msp430 218 EM_BLACKFIN = 106, // Analog Devices Blackfin (DSP) processor 219 EM_SE_C33 = 107, // S1C33 Family of Seiko Epson processors 220 EM_SEP = 108, // Sharp embedded microprocessor 221 EM_ARCA = 109, // Arca RISC Microprocessor 222 EM_UNICORE = 110, // Microprocessor series from PKU-Unity Ltd. and MPRC 223 // of Peking University 224 EM_EXCESS = 111, // eXcess: 16/32/64-bit configurable embedded CPU 225 EM_DXP = 112, // Icera Semiconductor Inc. Deep Execution Processor 226 EM_ALTERA_NIOS2 = 113, // Altera Nios II soft-core processor 227 EM_CRX = 114, // National Semiconductor CompactRISC CRX 228 EM_XGATE = 115, // Motorola XGATE embedded processor 229 EM_C166 = 116, // Infineon C16x/XC16x processor 230 EM_M16C = 117, // Renesas M16C series microprocessors 231 EM_DSPIC30F = 118, // Microchip Technology dsPIC30F Digital Signal 232 // Controller 233 EM_CE = 119, // Freescale Communication Engine RISC core 234 EM_M32C = 120, // Renesas M32C series microprocessors 235 EM_TSK3000 = 131, // Altium TSK3000 core 236 EM_RS08 = 132, // Freescale RS08 embedded processor 237 EM_SHARC = 133, // Analog Devices SHARC family of 32-bit DSP 238 // processors 239 EM_ECOG2 = 134, // Cyan Technology eCOG2 microprocessor 240 EM_SCORE7 = 135, // Sunplus S+core7 RISC processor 241 EM_DSP24 = 136, // New Japan Radio (NJR) 24-bit DSP Processor 242 EM_VIDEOCORE3 = 137, // Broadcom VideoCore III processor 243 EM_LATTICEMICO32 = 138, // RISC processor for Lattice FPGA architecture 244 EM_SE_C17 = 139, // Seiko Epson C17 family 245 EM_TI_C6000 = 140, // The Texas Instruments TMS320C6000 DSP family 246 EM_TI_C2000 = 141, // The Texas Instruments TMS320C2000 DSP family 247 EM_TI_C5500 = 142, // The Texas Instruments TMS320C55x DSP family 248 EM_MMDSP_PLUS = 160, // STMicroelectronics 64bit VLIW Data Signal Processor 249 EM_CYPRESS_M8C = 161, // Cypress M8C microprocessor 250 EM_R32C = 162, // Renesas R32C series microprocessors 251 EM_TRIMEDIA = 163, // NXP Semiconductors TriMedia architecture family 252 EM_HEXAGON = 164, // Qualcomm Hexagon processor 253 EM_8051 = 165, // Intel 8051 and variants 254 EM_STXP7X = 166, // STMicroelectronics STxP7x family of configurable 255 // and extensible RISC processors 256 EM_NDS32 = 167, // Andes Technology compact code size embedded RISC 257 // processor family 258 EM_ECOG1 = 168, // Cyan Technology eCOG1X family 259 EM_ECOG1X = 168, // Cyan Technology eCOG1X family 260 EM_MAXQ30 = 169, // Dallas Semiconductor MAXQ30 Core Micro-controllers 261 EM_XIMO16 = 170, // New Japan Radio (NJR) 16-bit DSP Processor 262 EM_MANIK = 171, // M2000 Reconfigurable RISC Microprocessor 263 EM_CRAYNV2 = 172, // Cray Inc. NV2 vector architecture 264 EM_RX = 173, // Renesas RX family 265 EM_METAG = 174, // Imagination Technologies META processor 266 // architecture 267 EM_MCST_ELBRUS = 175, // MCST Elbrus general purpose hardware architecture 268 EM_ECOG16 = 176, // Cyan Technology eCOG16 family 269 EM_CR16 = 177, // National Semiconductor CompactRISC CR16 16-bit 270 // microprocessor 271 EM_ETPU = 178, // Freescale Extended Time Processing Unit 272 EM_SLE9X = 179, // Infineon Technologies SLE9X core 273 EM_L10M = 180, // Intel L10M 274 EM_K10M = 181, // Intel K10M 275 EM_AARCH64 = 183, // ARM AArch64 276 EM_AVR32 = 185, // Atmel Corporation 32-bit microprocessor family 277 EM_STM8 = 186, // STMicroeletronics STM8 8-bit microcontroller 278 EM_TILE64 = 187, // Tilera TILE64 multicore architecture family 279 EM_TILEPRO = 188, // Tilera TILEPro multicore architecture family 280 EM_CUDA = 190, // NVIDIA CUDA architecture 281 EM_TILEGX = 191, // Tilera TILE-Gx multicore architecture family 282 EM_CLOUDSHIELD = 192, // CloudShield architecture family 283 EM_COREA_1ST = 193, // KIPO-KAIST Core-A 1st generation processor family 284 EM_COREA_2ND = 194, // KIPO-KAIST Core-A 2nd generation processor family 285 EM_ARC_COMPACT2 = 195, // Synopsys ARCompact V2 286 EM_OPEN8 = 196, // Open8 8-bit RISC soft processor core 287 EM_RL78 = 197, // Renesas RL78 family 288 EM_VIDEOCORE5 = 198, // Broadcom VideoCore V processor 289 EM_78KOR = 199, // Renesas 78KOR family 290 EM_56800EX = 200 // Freescale 56800EX Digital Signal Controller (DSC) 291}; 292 293// Object file classes. 294enum { 295 ELFCLASSNONE = 0, 296 ELFCLASS32 = 1, // 32-bit object file 297 ELFCLASS64 = 2 // 64-bit object file 298}; 299 300// Object file byte orderings. 301enum { 302 ELFDATANONE = 0, // Invalid data encoding. 303 ELFDATA2LSB = 1, // Little-endian object file 304 ELFDATA2MSB = 2 // Big-endian object file 305}; 306 307// OS ABI identification. 308enum { 309 ELFOSABI_NONE = 0, // UNIX System V ABI 310 ELFOSABI_HPUX = 1, // HP-UX operating system 311 ELFOSABI_NETBSD = 2, // NetBSD 312 ELFOSABI_GNU = 3, // GNU/Linux 313 ELFOSABI_LINUX = 3, // Historical alias for ELFOSABI_GNU. 314 ELFOSABI_HURD = 4, // GNU/Hurd 315 ELFOSABI_SOLARIS = 6, // Solaris 316 ELFOSABI_AIX = 7, // AIX 317 ELFOSABI_IRIX = 8, // IRIX 318 ELFOSABI_FREEBSD = 9, // FreeBSD 319 ELFOSABI_TRU64 = 10, // TRU64 UNIX 320 ELFOSABI_MODESTO = 11, // Novell Modesto 321 ELFOSABI_OPENBSD = 12, // OpenBSD 322 ELFOSABI_OPENVMS = 13, // OpenVMS 323 ELFOSABI_NSK = 14, // Hewlett-Packard Non-Stop Kernel 324 ELFOSABI_AROS = 15, // AROS 325 ELFOSABI_FENIXOS = 16, // FenixOS 326 ELFOSABI_C6000_ELFABI = 64, // Bare-metal TMS320C6000 327 ELFOSABI_C6000_LINUX = 65, // Linux TMS320C6000 328 ELFOSABI_ARM = 97, // ARM 329 ELFOSABI_STANDALONE = 255 // Standalone (embedded) application 330}; 331 332// X86_64 relocations. 333enum { 334 R_X86_64_NONE = 0, 335 R_X86_64_64 = 1, 336 R_X86_64_PC32 = 2, 337 R_X86_64_GOT32 = 3, 338 R_X86_64_PLT32 = 4, 339 R_X86_64_COPY = 5, 340 R_X86_64_GLOB_DAT = 6, 341 R_X86_64_JUMP_SLOT = 7, 342 R_X86_64_RELATIVE = 8, 343 R_X86_64_GOTPCREL = 9, 344 R_X86_64_32 = 10, 345 R_X86_64_32S = 11, 346 R_X86_64_16 = 12, 347 R_X86_64_PC16 = 13, 348 R_X86_64_8 = 14, 349 R_X86_64_PC8 = 15, 350 R_X86_64_DTPMOD64 = 16, 351 R_X86_64_DTPOFF64 = 17, 352 R_X86_64_TPOFF64 = 18, 353 R_X86_64_TLSGD = 19, 354 R_X86_64_TLSLD = 20, 355 R_X86_64_DTPOFF32 = 21, 356 R_X86_64_GOTTPOFF = 22, 357 R_X86_64_TPOFF32 = 23, 358 R_X86_64_PC64 = 24, 359 R_X86_64_GOTOFF64 = 25, 360 R_X86_64_GOTPC32 = 26, 361 R_X86_64_GOT64 = 27, 362 R_X86_64_GOTPCREL64 = 28, 363 R_X86_64_GOTPC64 = 29, 364 R_X86_64_GOTPLT64 = 30, 365 R_X86_64_PLTOFF64 = 31, 366 R_X86_64_SIZE32 = 32, 367 R_X86_64_SIZE64 = 33, 368 R_X86_64_GOTPC32_TLSDESC = 34, 369 R_X86_64_TLSDESC_CALL = 35, 370 R_X86_64_TLSDESC = 36, 371 R_X86_64_IRELATIVE = 37 372}; 373 374// i386 relocations. 375// TODO: this is just a subset 376enum { 377 R_386_NONE = 0, 378 R_386_32 = 1, 379 R_386_PC32 = 2, 380 R_386_GOT32 = 3, 381 R_386_PLT32 = 4, 382 R_386_COPY = 5, 383 R_386_GLOB_DAT = 6, 384 R_386_JUMP_SLOT = 7, 385 R_386_RELATIVE = 8, 386 R_386_GOTOFF = 9, 387 R_386_GOTPC = 10, 388 R_386_32PLT = 11, 389 R_386_TLS_TPOFF = 14, 390 R_386_TLS_IE = 15, 391 R_386_TLS_GOTIE = 16, 392 R_386_TLS_LE = 17, 393 R_386_TLS_GD = 18, 394 R_386_TLS_LDM = 19, 395 R_386_16 = 20, 396 R_386_PC16 = 21, 397 R_386_8 = 22, 398 R_386_PC8 = 23, 399 R_386_TLS_GD_32 = 24, 400 R_386_TLS_GD_PUSH = 25, 401 R_386_TLS_GD_CALL = 26, 402 R_386_TLS_GD_POP = 27, 403 R_386_TLS_LDM_32 = 28, 404 R_386_TLS_LDM_PUSH = 29, 405 R_386_TLS_LDM_CALL = 30, 406 R_386_TLS_LDM_POP = 31, 407 R_386_TLS_LDO_32 = 32, 408 R_386_TLS_IE_32 = 33, 409 R_386_TLS_LE_32 = 34, 410 R_386_TLS_DTPMOD32 = 35, 411 R_386_TLS_DTPOFF32 = 36, 412 R_386_TLS_TPOFF32 = 37, 413 R_386_TLS_GOTDESC = 39, 414 R_386_TLS_DESC_CALL = 40, 415 R_386_TLS_DESC = 41, 416 R_386_IRELATIVE = 42, 417 R_386_NUM = 43 418}; 419 420// ELF Relocation types for PPC32 421enum { 422 R_PPC_NONE = 0, /* No relocation. */ 423 R_PPC_ADDR32 = 1, 424 R_PPC_ADDR24 = 2, 425 R_PPC_ADDR16 = 3, 426 R_PPC_ADDR16_LO = 4, 427 R_PPC_ADDR16_HI = 5, 428 R_PPC_ADDR16_HA = 6, 429 R_PPC_ADDR14 = 7, 430 R_PPC_ADDR14_BRTAKEN = 8, 431 R_PPC_ADDR14_BRNTAKEN = 9, 432 R_PPC_REL24 = 10, 433 R_PPC_REL14 = 11, 434 R_PPC_REL14_BRTAKEN = 12, 435 R_PPC_REL14_BRNTAKEN = 13, 436 R_PPC_GOT16 = 14, 437 R_PPC_GOT16_LO = 15, 438 R_PPC_GOT16_HI = 16, 439 R_PPC_GOT16_HA = 17, 440 R_PPC_REL32 = 26, 441 R_PPC_TLS = 67, 442 R_PPC_DTPMOD32 = 68, 443 R_PPC_TPREL16 = 69, 444 R_PPC_TPREL16_LO = 70, 445 R_PPC_TPREL16_HI = 71, 446 R_PPC_TPREL16_HA = 72, 447 R_PPC_TPREL32 = 73, 448 R_PPC_DTPREL16 = 74, 449 R_PPC_DTPREL16_LO = 75, 450 R_PPC_DTPREL16_HI = 76, 451 R_PPC_DTPREL16_HA = 77, 452 R_PPC_DTPREL32 = 78, 453 R_PPC_GOT_TLSGD16 = 79, 454 R_PPC_GOT_TLSGD16_LO = 80, 455 R_PPC_GOT_TLSGD16_HI = 81, 456 R_PPC_GOT_TLSGD16_HA = 82, 457 R_PPC_GOT_TLSLD16 = 83, 458 R_PPC_GOT_TLSLD16_LO = 84, 459 R_PPC_GOT_TLSLD16_HI = 85, 460 R_PPC_GOT_TLSLD16_HA = 86, 461 R_PPC_GOT_TPREL16 = 87, 462 R_PPC_GOT_TPREL16_LO = 88, 463 R_PPC_GOT_TPREL16_HI = 89, 464 R_PPC_GOT_TPREL16_HA = 90, 465 R_PPC_GOT_DTPREL16 = 91, 466 R_PPC_GOT_DTPREL16_LO = 92, 467 R_PPC_GOT_DTPREL16_HI = 93, 468 R_PPC_GOT_DTPREL16_HA = 94, 469 R_PPC_TLSGD = 95, 470 R_PPC_TLSLD = 96, 471 R_PPC_REL16 = 249, 472 R_PPC_REL16_LO = 250, 473 R_PPC_REL16_HI = 251, 474 R_PPC_REL16_HA = 252 475}; 476 477// ELF Relocation types for PPC64 478enum { 479 R_PPC64_NONE = 0, 480 R_PPC64_ADDR32 = 1, 481 R_PPC64_ADDR24 = 2, 482 R_PPC64_ADDR16 = 3, 483 R_PPC64_ADDR16_LO = 4, 484 R_PPC64_ADDR16_HI = 5, 485 R_PPC64_ADDR16_HA = 6, 486 R_PPC64_ADDR14 = 7, 487 R_PPC64_ADDR14_BRTAKEN = 8, 488 R_PPC64_ADDR14_BRNTAKEN = 9, 489 R_PPC64_REL24 = 10, 490 R_PPC64_REL14 = 11, 491 R_PPC64_REL14_BRTAKEN = 12, 492 R_PPC64_REL14_BRNTAKEN = 13, 493 R_PPC64_GOT16 = 14, 494 R_PPC64_GOT16_LO = 15, 495 R_PPC64_GOT16_HI = 16, 496 R_PPC64_GOT16_HA = 17, 497 R_PPC64_REL32 = 26, 498 R_PPC64_ADDR64 = 38, 499 R_PPC64_ADDR16_HIGHER = 39, 500 R_PPC64_ADDR16_HIGHERA = 40, 501 R_PPC64_ADDR16_HIGHEST = 41, 502 R_PPC64_ADDR16_HIGHESTA = 42, 503 R_PPC64_REL64 = 44, 504 R_PPC64_TOC16 = 47, 505 R_PPC64_TOC16_LO = 48, 506 R_PPC64_TOC16_HI = 49, 507 R_PPC64_TOC16_HA = 50, 508 R_PPC64_TOC = 51, 509 R_PPC64_ADDR16_DS = 56, 510 R_PPC64_ADDR16_LO_DS = 57, 511 R_PPC64_GOT16_DS = 58, 512 R_PPC64_GOT16_LO_DS = 59, 513 R_PPC64_TOC16_DS = 63, 514 R_PPC64_TOC16_LO_DS = 64, 515 R_PPC64_TLS = 67, 516 R_PPC64_DTPMOD64 = 68, 517 R_PPC64_TPREL16 = 69, 518 R_PPC64_TPREL16_LO = 70, 519 R_PPC64_TPREL16_HI = 71, 520 R_PPC64_TPREL16_HA = 72, 521 R_PPC64_TPREL64 = 73, 522 R_PPC64_DTPREL16 = 74, 523 R_PPC64_DTPREL16_LO = 75, 524 R_PPC64_DTPREL16_HI = 76, 525 R_PPC64_DTPREL16_HA = 77, 526 R_PPC64_DTPREL64 = 78, 527 R_PPC64_GOT_TLSGD16 = 79, 528 R_PPC64_GOT_TLSGD16_LO = 80, 529 R_PPC64_GOT_TLSGD16_HI = 81, 530 R_PPC64_GOT_TLSGD16_HA = 82, 531 R_PPC64_GOT_TLSLD16 = 83, 532 R_PPC64_GOT_TLSLD16_LO = 84, 533 R_PPC64_GOT_TLSLD16_HI = 85, 534 R_PPC64_GOT_TLSLD16_HA = 86, 535 R_PPC64_GOT_TPREL16_DS = 87, 536 R_PPC64_GOT_TPREL16_LO_DS = 88, 537 R_PPC64_GOT_TPREL16_HI = 89, 538 R_PPC64_GOT_TPREL16_HA = 90, 539 R_PPC64_GOT_DTPREL16_DS = 91, 540 R_PPC64_GOT_DTPREL16_LO_DS = 92, 541 R_PPC64_GOT_DTPREL16_HI = 93, 542 R_PPC64_GOT_DTPREL16_HA = 94, 543 R_PPC64_TPREL16_DS = 95, 544 R_PPC64_TPREL16_LO_DS = 96, 545 R_PPC64_TPREL16_HIGHER = 97, 546 R_PPC64_TPREL16_HIGHERA = 98, 547 R_PPC64_TPREL16_HIGHEST = 99, 548 R_PPC64_TPREL16_HIGHESTA = 100, 549 R_PPC64_DTPREL16_DS = 101, 550 R_PPC64_DTPREL16_LO_DS = 102, 551 R_PPC64_DTPREL16_HIGHER = 103, 552 R_PPC64_DTPREL16_HIGHERA = 104, 553 R_PPC64_DTPREL16_HIGHEST = 105, 554 R_PPC64_DTPREL16_HIGHESTA = 106, 555 R_PPC64_TLSGD = 107, 556 R_PPC64_TLSLD = 108, 557 R_PPC64_REL16 = 249, 558 R_PPC64_REL16_LO = 250, 559 R_PPC64_REL16_HI = 251, 560 R_PPC64_REL16_HA = 252 561}; 562 563// ELF Relocation types for AArch64 564 565enum { 566 R_AARCH64_NONE = 0x100, 567 568 R_AARCH64_ABS64 = 0x101, 569 R_AARCH64_ABS32 = 0x102, 570 R_AARCH64_ABS16 = 0x103, 571 R_AARCH64_PREL64 = 0x104, 572 R_AARCH64_PREL32 = 0x105, 573 R_AARCH64_PREL16 = 0x106, 574 575 R_AARCH64_MOVW_UABS_G0 = 0x107, 576 R_AARCH64_MOVW_UABS_G0_NC = 0x108, 577 R_AARCH64_MOVW_UABS_G1 = 0x109, 578 R_AARCH64_MOVW_UABS_G1_NC = 0x10a, 579 R_AARCH64_MOVW_UABS_G2 = 0x10b, 580 R_AARCH64_MOVW_UABS_G2_NC = 0x10c, 581 R_AARCH64_MOVW_UABS_G3 = 0x10d, 582 R_AARCH64_MOVW_SABS_G0 = 0x10e, 583 R_AARCH64_MOVW_SABS_G1 = 0x10f, 584 R_AARCH64_MOVW_SABS_G2 = 0x110, 585 586 R_AARCH64_LD_PREL_LO19 = 0x111, 587 R_AARCH64_ADR_PREL_LO21 = 0x112, 588 R_AARCH64_ADR_PREL_PG_HI21 = 0x113, 589 R_AARCH64_ADD_ABS_LO12_NC = 0x115, 590 R_AARCH64_LDST8_ABS_LO12_NC = 0x116, 591 592 R_AARCH64_TSTBR14 = 0x117, 593 R_AARCH64_CONDBR19 = 0x118, 594 R_AARCH64_JUMP26 = 0x11a, 595 R_AARCH64_CALL26 = 0x11b, 596 597 R_AARCH64_LDST16_ABS_LO12_NC = 0x11c, 598 R_AARCH64_LDST32_ABS_LO12_NC = 0x11d, 599 R_AARCH64_LDST64_ABS_LO12_NC = 0x11e, 600 601 R_AARCH64_LDST128_ABS_LO12_NC = 0x12b, 602 603 R_AARCH64_ADR_GOT_PAGE = 0x137, 604 R_AARCH64_LD64_GOT_LO12_NC = 0x138, 605 606 R_AARCH64_TLSLD_MOVW_DTPREL_G2 = 0x20b, 607 R_AARCH64_TLSLD_MOVW_DTPREL_G1 = 0x20c, 608 R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC = 0x20d, 609 R_AARCH64_TLSLD_MOVW_DTPREL_G0 = 0x20e, 610 R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC = 0x20f, 611 R_AARCH64_TLSLD_ADD_DTPREL_HI12 = 0x210, 612 R_AARCH64_TLSLD_ADD_DTPREL_LO12 = 0x211, 613 R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC = 0x212, 614 R_AARCH64_TLSLD_LDST8_DTPREL_LO12 = 0x213, 615 R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC = 0x214, 616 R_AARCH64_TLSLD_LDST16_DTPREL_LO12 = 0x215, 617 R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC = 0x216, 618 R_AARCH64_TLSLD_LDST32_DTPREL_LO12 = 0x217, 619 R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC = 0x218, 620 R_AARCH64_TLSLD_LDST64_DTPREL_LO12 = 0x219, 621 R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC = 0x21a, 622 623 R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 = 0x21b, 624 R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC = 0x21c, 625 R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 = 0x21d, 626 R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC = 0x21e, 627 R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 = 0x21f, 628 629 R_AARCH64_TLSLE_MOVW_TPREL_G2 = 0x220, 630 R_AARCH64_TLSLE_MOVW_TPREL_G1 = 0x221, 631 R_AARCH64_TLSLE_MOVW_TPREL_G1_NC = 0x222, 632 R_AARCH64_TLSLE_MOVW_TPREL_G0 = 0x223, 633 R_AARCH64_TLSLE_MOVW_TPREL_G0_NC = 0x224, 634 R_AARCH64_TLSLE_ADD_TPREL_HI12 = 0x225, 635 R_AARCH64_TLSLE_ADD_TPREL_LO12 = 0x226, 636 R_AARCH64_TLSLE_ADD_TPREL_LO12_NC = 0x227, 637 R_AARCH64_TLSLE_LDST8_TPREL_LO12 = 0x228, 638 R_AARCH64_TLSLE_LDST8_TPREL_LO12_NC = 0x229, 639 R_AARCH64_TLSLE_LDST16_TPREL_LO12 = 0x22a, 640 R_AARCH64_TLSLE_LDST16_TPREL_LO12_NC = 0x22b, 641 R_AARCH64_TLSLE_LDST32_TPREL_LO12 = 0x22c, 642 R_AARCH64_TLSLE_LDST32_TPREL_LO12_NC = 0x22d, 643 R_AARCH64_TLSLE_LDST64_TPREL_LO12 = 0x22e, 644 R_AARCH64_TLSLE_LDST64_TPREL_LO12_NC = 0x22f, 645 646 R_AARCH64_TLSDESC_ADR_PAGE = 0x232, 647 R_AARCH64_TLSDESC_LD64_LO12_NC = 0x233, 648 R_AARCH64_TLSDESC_ADD_LO12_NC = 0x234, 649 650 R_AARCH64_TLSDESC_CALL = 0x239 651}; 652 653// ARM Specific e_flags 654enum : unsigned { 655 EF_ARM_SOFT_FLOAT = 0x00000200U, 656 EF_ARM_VFP_FLOAT = 0x00000400U, 657 EF_ARM_EABI_UNKNOWN = 0x00000000U, 658 EF_ARM_EABI_VER1 = 0x01000000U, 659 EF_ARM_EABI_VER2 = 0x02000000U, 660 EF_ARM_EABI_VER3 = 0x03000000U, 661 EF_ARM_EABI_VER4 = 0x04000000U, 662 EF_ARM_EABI_VER5 = 0x05000000U, 663 EF_ARM_EABIMASK = 0xFF000000U 664}; 665 666// ELF Relocation types for ARM 667// Meets 2.08 ABI Specs. 668 669enum { 670 R_ARM_NONE = 0x00, 671 R_ARM_PC24 = 0x01, 672 R_ARM_ABS32 = 0x02, 673 R_ARM_REL32 = 0x03, 674 R_ARM_LDR_PC_G0 = 0x04, 675 R_ARM_ABS16 = 0x05, 676 R_ARM_ABS12 = 0x06, 677 R_ARM_THM_ABS5 = 0x07, 678 R_ARM_ABS8 = 0x08, 679 R_ARM_SBREL32 = 0x09, 680 R_ARM_THM_CALL = 0x0a, 681 R_ARM_THM_PC8 = 0x0b, 682 R_ARM_BREL_ADJ = 0x0c, 683 R_ARM_TLS_DESC = 0x0d, 684 R_ARM_THM_SWI8 = 0x0e, 685 R_ARM_XPC25 = 0x0f, 686 R_ARM_THM_XPC22 = 0x10, 687 R_ARM_TLS_DTPMOD32 = 0x11, 688 R_ARM_TLS_DTPOFF32 = 0x12, 689 R_ARM_TLS_TPOFF32 = 0x13, 690 R_ARM_COPY = 0x14, 691 R_ARM_GLOB_DAT = 0x15, 692 R_ARM_JUMP_SLOT = 0x16, 693 R_ARM_RELATIVE = 0x17, 694 R_ARM_GOTOFF32 = 0x18, 695 R_ARM_BASE_PREL = 0x19, 696 R_ARM_GOT_BREL = 0x1a, 697 R_ARM_PLT32 = 0x1b, 698 R_ARM_CALL = 0x1c, 699 R_ARM_JUMP24 = 0x1d, 700 R_ARM_THM_JUMP24 = 0x1e, 701 R_ARM_BASE_ABS = 0x1f, 702 R_ARM_ALU_PCREL_7_0 = 0x20, 703 R_ARM_ALU_PCREL_15_8 = 0x21, 704 R_ARM_ALU_PCREL_23_15 = 0x22, 705 R_ARM_LDR_SBREL_11_0_NC = 0x23, 706 R_ARM_ALU_SBREL_19_12_NC = 0x24, 707 R_ARM_ALU_SBREL_27_20_CK = 0x25, 708 R_ARM_TARGET1 = 0x26, 709 R_ARM_SBREL31 = 0x27, 710 R_ARM_V4BX = 0x28, 711 R_ARM_TARGET2 = 0x29, 712 R_ARM_PREL31 = 0x2a, 713 R_ARM_MOVW_ABS_NC = 0x2b, 714 R_ARM_MOVT_ABS = 0x2c, 715 R_ARM_MOVW_PREL_NC = 0x2d, 716 R_ARM_MOVT_PREL = 0x2e, 717 R_ARM_THM_MOVW_ABS_NC = 0x2f, 718 R_ARM_THM_MOVT_ABS = 0x30, 719 R_ARM_THM_MOVW_PREL_NC = 0x31, 720 R_ARM_THM_MOVT_PREL = 0x32, 721 R_ARM_THM_JUMP19 = 0x33, 722 R_ARM_THM_JUMP6 = 0x34, 723 R_ARM_THM_ALU_PREL_11_0 = 0x35, 724 R_ARM_THM_PC12 = 0x36, 725 R_ARM_ABS32_NOI = 0x37, 726 R_ARM_REL32_NOI = 0x38, 727 R_ARM_ALU_PC_G0_NC = 0x39, 728 R_ARM_ALU_PC_G0 = 0x3a, 729 R_ARM_ALU_PC_G1_NC = 0x3b, 730 R_ARM_ALU_PC_G1 = 0x3c, 731 R_ARM_ALU_PC_G2 = 0x3d, 732 R_ARM_LDR_PC_G1 = 0x3e, 733 R_ARM_LDR_PC_G2 = 0x3f, 734 R_ARM_LDRS_PC_G0 = 0x40, 735 R_ARM_LDRS_PC_G1 = 0x41, 736 R_ARM_LDRS_PC_G2 = 0x42, 737 R_ARM_LDC_PC_G0 = 0x43, 738 R_ARM_LDC_PC_G1 = 0x44, 739 R_ARM_LDC_PC_G2 = 0x45, 740 R_ARM_ALU_SB_G0_NC = 0x46, 741 R_ARM_ALU_SB_G0 = 0x47, 742 R_ARM_ALU_SB_G1_NC = 0x48, 743 R_ARM_ALU_SB_G1 = 0x49, 744 R_ARM_ALU_SB_G2 = 0x4a, 745 R_ARM_LDR_SB_G0 = 0x4b, 746 R_ARM_LDR_SB_G1 = 0x4c, 747 R_ARM_LDR_SB_G2 = 0x4d, 748 R_ARM_LDRS_SB_G0 = 0x4e, 749 R_ARM_LDRS_SB_G1 = 0x4f, 750 R_ARM_LDRS_SB_G2 = 0x50, 751 R_ARM_LDC_SB_G0 = 0x51, 752 R_ARM_LDC_SB_G1 = 0x52, 753 R_ARM_LDC_SB_G2 = 0x53, 754 R_ARM_MOVW_BREL_NC = 0x54, 755 R_ARM_MOVT_BREL = 0x55, 756 R_ARM_MOVW_BREL = 0x56, 757 R_ARM_THM_MOVW_BREL_NC = 0x57, 758 R_ARM_THM_MOVT_BREL = 0x58, 759 R_ARM_THM_MOVW_BREL = 0x59, 760 R_ARM_TLS_GOTDESC = 0x5a, 761 R_ARM_TLS_CALL = 0x5b, 762 R_ARM_TLS_DESCSEQ = 0x5c, 763 R_ARM_THM_TLS_CALL = 0x5d, 764 R_ARM_PLT32_ABS = 0x5e, 765 R_ARM_GOT_ABS = 0x5f, 766 R_ARM_GOT_PREL = 0x60, 767 R_ARM_GOT_BREL12 = 0x61, 768 R_ARM_GOTOFF12 = 0x62, 769 R_ARM_GOTRELAX = 0x63, 770 R_ARM_GNU_VTENTRY = 0x64, 771 R_ARM_GNU_VTINHERIT = 0x65, 772 R_ARM_THM_JUMP11 = 0x66, 773 R_ARM_THM_JUMP8 = 0x67, 774 R_ARM_TLS_GD32 = 0x68, 775 R_ARM_TLS_LDM32 = 0x69, 776 R_ARM_TLS_LDO32 = 0x6a, 777 R_ARM_TLS_IE32 = 0x6b, 778 R_ARM_TLS_LE32 = 0x6c, 779 R_ARM_TLS_LDO12 = 0x6d, 780 R_ARM_TLS_LE12 = 0x6e, 781 R_ARM_TLS_IE12GP = 0x6f, 782 R_ARM_PRIVATE_0 = 0x70, 783 R_ARM_PRIVATE_1 = 0x71, 784 R_ARM_PRIVATE_2 = 0x72, 785 R_ARM_PRIVATE_3 = 0x73, 786 R_ARM_PRIVATE_4 = 0x74, 787 R_ARM_PRIVATE_5 = 0x75, 788 R_ARM_PRIVATE_6 = 0x76, 789 R_ARM_PRIVATE_7 = 0x77, 790 R_ARM_PRIVATE_8 = 0x78, 791 R_ARM_PRIVATE_9 = 0x79, 792 R_ARM_PRIVATE_10 = 0x7a, 793 R_ARM_PRIVATE_11 = 0x7b, 794 R_ARM_PRIVATE_12 = 0x7c, 795 R_ARM_PRIVATE_13 = 0x7d, 796 R_ARM_PRIVATE_14 = 0x7e, 797 R_ARM_PRIVATE_15 = 0x7f, 798 R_ARM_ME_TOO = 0x80, 799 R_ARM_THM_TLS_DESCSEQ16 = 0x81, 800 R_ARM_THM_TLS_DESCSEQ32 = 0x82 801}; 802 803// Mips Specific e_flags 804enum : unsigned { 805 EF_MIPS_NOREORDER = 0x00000001, // Don't reorder instructions 806 EF_MIPS_PIC = 0x00000002, // Position independent code 807 EF_MIPS_CPIC = 0x00000004, // Call object with Position independent code 808 EF_MIPS_ABI2 = 0x00000020, 809 EF_MIPS_32BITMODE = 0x00000100, 810 EF_MIPS_ABI_O32 = 0x00001000, // This file follows the first MIPS 32 bit ABI 811 812 //ARCH_ASE 813 EF_MIPS_MICROMIPS = 0x02000000, // microMIPS 814 EF_MIPS_ARCH_ASE_M16 = 815 0x04000000, // Has Mips-16 ISA extensions 816 //ARCH 817 EF_MIPS_ARCH_1 = 0x00000000, // MIPS1 instruction set 818 EF_MIPS_ARCH_2 = 0x10000000, // MIPS2 instruction set 819 EF_MIPS_ARCH_3 = 0x20000000, // MIPS3 instruction set 820 EF_MIPS_ARCH_4 = 0x30000000, // MIPS4 instruction set 821 EF_MIPS_ARCH_5 = 0x40000000, // MIPS5 instruction set 822 EF_MIPS_ARCH_32 = 0x50000000, // MIPS32 instruction set per linux not elf.h 823 EF_MIPS_ARCH_64 = 0x60000000, // MIPS64 instruction set per linux not elf.h 824 EF_MIPS_ARCH_32R2 = 0x70000000, // mips32r2 825 EF_MIPS_ARCH_64R2 = 0x80000000, // mips64r2 826 EF_MIPS_ARCH = 0xf0000000 // Mask for applying EF_MIPS_ARCH_ variant 827}; 828 829// ELF Relocation types for Mips 830// . 831enum { 832 R_MIPS_NONE = 0, 833 R_MIPS_16 = 1, 834 R_MIPS_32 = 2, 835 R_MIPS_REL32 = 3, 836 R_MIPS_26 = 4, 837 R_MIPS_HI16 = 5, 838 R_MIPS_LO16 = 6, 839 R_MIPS_GPREL16 = 7, 840 R_MIPS_LITERAL = 8, 841 R_MIPS_GOT16 = 9, 842 R_MIPS_PC16 = 10, 843 R_MIPS_CALL16 = 11, 844 R_MIPS_GPREL32 = 12, 845 R_MIPS_UNUSED1 = 13, 846 R_MIPS_UNUSED2 = 14, 847 R_MIPS_SHIFT5 = 16, 848 R_MIPS_SHIFT6 = 17, 849 R_MIPS_64 = 18, 850 R_MIPS_GOT_DISP = 19, 851 R_MIPS_GOT_PAGE = 20, 852 R_MIPS_GOT_OFST = 21, 853 R_MIPS_GOT_HI16 = 22, 854 R_MIPS_GOT_LO16 = 23, 855 R_MIPS_SUB = 24, 856 R_MIPS_INSERT_A = 25, 857 R_MIPS_INSERT_B = 26, 858 R_MIPS_DELETE = 27, 859 R_MIPS_HIGHER = 28, 860 R_MIPS_HIGHEST = 29, 861 R_MIPS_CALL_HI16 = 30, 862 R_MIPS_CALL_LO16 = 31, 863 R_MIPS_SCN_DISP = 32, 864 R_MIPS_REL16 = 33, 865 R_MIPS_ADD_IMMEDIATE = 34, 866 R_MIPS_PJUMP = 35, 867 R_MIPS_RELGOT = 36, 868 R_MIPS_JALR = 37, 869 R_MIPS_TLS_DTPMOD32 = 38, 870 R_MIPS_TLS_DTPREL32 = 39, 871 R_MIPS_TLS_DTPMOD64 = 40, 872 R_MIPS_TLS_DTPREL64 = 41, 873 R_MIPS_TLS_GD = 42, 874 R_MIPS_TLS_LDM = 43, 875 R_MIPS_TLS_DTPREL_HI16 = 44, 876 R_MIPS_TLS_DTPREL_LO16 = 45, 877 R_MIPS_TLS_GOTTPREL = 46, 878 R_MIPS_TLS_TPREL32 = 47, 879 R_MIPS_TLS_TPREL64 = 48, 880 R_MIPS_TLS_TPREL_HI16 = 49, 881 R_MIPS_TLS_TPREL_LO16 = 50, 882 R_MIPS_GLOB_DAT = 51, 883 R_MIPS16_GOT16 = 102, 884 R_MIPS16_HI16 = 104, 885 R_MIPS16_LO16 = 105, 886 R_MIPS_COPY = 126, 887 R_MIPS_JUMP_SLOT = 127, 888 R_MICROMIPS_26_S1 = 133, 889 R_MICROMIPS_HI16 = 134, 890 R_MICROMIPS_LO16 = 135, 891 R_MICROMIPS_GOT16 = 138, 892 R_MICROMIPS_PC16_S1 = 141, 893 R_MICROMIPS_CALL16 = 142, 894 R_MICROMIPS_GOT_DISP = 145, 895 R_MICROMIPS_GOT_PAGE = 146, 896 R_MICROMIPS_GOT_OFST = 147, 897 R_MICROMIPS_TLS_GD = 162, 898 R_MICROMIPS_TLS_LDM = 163, 899 R_MICROMIPS_TLS_DTPREL_HI16 = 164, 900 R_MICROMIPS_TLS_DTPREL_LO16 = 165, 901 R_MICROMIPS_TLS_TPREL_HI16 = 169, 902 R_MICROMIPS_TLS_TPREL_LO16 = 170, 903 R_MIPS_NUM = 218, 904 R_MIPS_PC32 = 248 905}; 906 907// Special values for the st_other field in the symbol table entry for MIPS. 908enum { 909 STO_MIPS_MICROMIPS = 0x80 // MIPS Specific ISA for MicroMips 910}; 911 912// Hexagon Specific e_flags 913// Release 5 ABI 914enum { 915 // Object processor version flags, bits[3:0] 916 EF_HEXAGON_MACH_V2 = 0x00000001, // Hexagon V2 917 EF_HEXAGON_MACH_V3 = 0x00000002, // Hexagon V3 918 EF_HEXAGON_MACH_V4 = 0x00000003, // Hexagon V4 919 EF_HEXAGON_MACH_V5 = 0x00000004, // Hexagon V5 920 921 // Highest ISA version flags 922 EF_HEXAGON_ISA_MACH = 0x00000000, // Same as specified in bits[3:0] 923 // of e_flags 924 EF_HEXAGON_ISA_V2 = 0x00000010, // Hexagon V2 ISA 925 EF_HEXAGON_ISA_V3 = 0x00000020, // Hexagon V3 ISA 926 EF_HEXAGON_ISA_V4 = 0x00000030, // Hexagon V4 ISA 927 EF_HEXAGON_ISA_V5 = 0x00000040 // Hexagon V5 ISA 928}; 929 930// Hexagon specific Section indexes for common small data 931// Release 5 ABI 932enum { 933 SHN_HEXAGON_SCOMMON = 0xff00, // Other access sizes 934 SHN_HEXAGON_SCOMMON_1 = 0xff01, // Byte-sized access 935 SHN_HEXAGON_SCOMMON_2 = 0xff02, // Half-word-sized access 936 SHN_HEXAGON_SCOMMON_4 = 0xff03, // Word-sized access 937 SHN_HEXAGON_SCOMMON_8 = 0xff04 // Double-word-size access 938}; 939 940// ELF Relocation types for Hexagon 941// Release 5 ABI 942enum { 943 R_HEX_NONE = 0, 944 R_HEX_B22_PCREL = 1, 945 R_HEX_B15_PCREL = 2, 946 R_HEX_B7_PCREL = 3, 947 R_HEX_LO16 = 4, 948 R_HEX_HI16 = 5, 949 R_HEX_32 = 6, 950 R_HEX_16 = 7, 951 R_HEX_8 = 8, 952 R_HEX_GPREL16_0 = 9, 953 R_HEX_GPREL16_1 = 10, 954 R_HEX_GPREL16_2 = 11, 955 R_HEX_GPREL16_3 = 12, 956 R_HEX_HL16 = 13, 957 R_HEX_B13_PCREL = 14, 958 R_HEX_B9_PCREL = 15, 959 R_HEX_B32_PCREL_X = 16, 960 R_HEX_32_6_X = 17, 961 R_HEX_B22_PCREL_X = 18, 962 R_HEX_B15_PCREL_X = 19, 963 R_HEX_B13_PCREL_X = 20, 964 R_HEX_B9_PCREL_X = 21, 965 R_HEX_B7_PCREL_X = 22, 966 R_HEX_16_X = 23, 967 R_HEX_12_X = 24, 968 R_HEX_11_X = 25, 969 R_HEX_10_X = 26, 970 R_HEX_9_X = 27, 971 R_HEX_8_X = 28, 972 R_HEX_7_X = 29, 973 R_HEX_6_X = 30, 974 R_HEX_32_PCREL = 31, 975 R_HEX_COPY = 32, 976 R_HEX_GLOB_DAT = 33, 977 R_HEX_JMP_SLOT = 34, 978 R_HEX_RELATIVE = 35, 979 R_HEX_PLT_B22_PCREL = 36, 980 R_HEX_GOTREL_LO16 = 37, 981 R_HEX_GOTREL_HI16 = 38, 982 R_HEX_GOTREL_32 = 39, 983 R_HEX_GOT_LO16 = 40, 984 R_HEX_GOT_HI16 = 41, 985 R_HEX_GOT_32 = 42, 986 R_HEX_GOT_16 = 43, 987 R_HEX_DTPMOD_32 = 44, 988 R_HEX_DTPREL_LO16 = 45, 989 R_HEX_DTPREL_HI16 = 46, 990 R_HEX_DTPREL_32 = 47, 991 R_HEX_DTPREL_16 = 48, 992 R_HEX_GD_PLT_B22_PCREL = 49, 993 R_HEX_GD_GOT_LO16 = 50, 994 R_HEX_GD_GOT_HI16 = 51, 995 R_HEX_GD_GOT_32 = 52, 996 R_HEX_GD_GOT_16 = 53, 997 R_HEX_IE_LO16 = 54, 998 R_HEX_IE_HI16 = 55, 999 R_HEX_IE_32 = 56, 1000 R_HEX_IE_GOT_LO16 = 57, 1001 R_HEX_IE_GOT_HI16 = 58, 1002 R_HEX_IE_GOT_32 = 59, 1003 R_HEX_IE_GOT_16 = 60, 1004 R_HEX_TPREL_LO16 = 61, 1005 R_HEX_TPREL_HI16 = 62, 1006 R_HEX_TPREL_32 = 63, 1007 R_HEX_TPREL_16 = 64, 1008 R_HEX_6_PCREL_X = 65, 1009 R_HEX_GOTREL_32_6_X = 66, 1010 R_HEX_GOTREL_16_X = 67, 1011 R_HEX_GOTREL_11_X = 68, 1012 R_HEX_GOT_32_6_X = 69, 1013 R_HEX_GOT_16_X = 70, 1014 R_HEX_GOT_11_X = 71, 1015 R_HEX_DTPREL_32_6_X = 72, 1016 R_HEX_DTPREL_16_X = 73, 1017 R_HEX_DTPREL_11_X = 74, 1018 R_HEX_GD_GOT_32_6_X = 75, 1019 R_HEX_GD_GOT_16_X = 76, 1020 R_HEX_GD_GOT_11_X = 77, 1021 R_HEX_IE_32_6_X = 78, 1022 R_HEX_IE_16_X = 79, 1023 R_HEX_IE_GOT_32_6_X = 80, 1024 R_HEX_IE_GOT_16_X = 81, 1025 R_HEX_IE_GOT_11_X = 82, 1026 R_HEX_TPREL_32_6_X = 83, 1027 R_HEX_TPREL_16_X = 84, 1028 R_HEX_TPREL_11_X = 85 1029}; 1030 1031// ELF Relocation types for S390/zSeries 1032enum { 1033 R_390_NONE = 0, 1034 R_390_8 = 1, 1035 R_390_12 = 2, 1036 R_390_16 = 3, 1037 R_390_32 = 4, 1038 R_390_PC32 = 5, 1039 R_390_GOT12 = 6, 1040 R_390_GOT32 = 7, 1041 R_390_PLT32 = 8, 1042 R_390_COPY = 9, 1043 R_390_GLOB_DAT = 10, 1044 R_390_JMP_SLOT = 11, 1045 R_390_RELATIVE = 12, 1046 R_390_GOTOFF = 13, 1047 R_390_GOTPC = 14, 1048 R_390_GOT16 = 15, 1049 R_390_PC16 = 16, 1050 R_390_PC16DBL = 17, 1051 R_390_PLT16DBL = 18, 1052 R_390_PC32DBL = 19, 1053 R_390_PLT32DBL = 20, 1054 R_390_GOTPCDBL = 21, 1055 R_390_64 = 22, 1056 R_390_PC64 = 23, 1057 R_390_GOT64 = 24, 1058 R_390_PLT64 = 25, 1059 R_390_GOTENT = 26, 1060 R_390_GOTOFF16 = 27, 1061 R_390_GOTOFF64 = 28, 1062 R_390_GOTPLT12 = 29, 1063 R_390_GOTPLT16 = 30, 1064 R_390_GOTPLT32 = 31, 1065 R_390_GOTPLT64 = 32, 1066 R_390_GOTPLTENT = 33, 1067 R_390_PLTOFF16 = 34, 1068 R_390_PLTOFF32 = 35, 1069 R_390_PLTOFF64 = 36, 1070 R_390_TLS_LOAD = 37, 1071 R_390_TLS_GDCALL = 38, 1072 R_390_TLS_LDCALL = 39, 1073 R_390_TLS_GD32 = 40, 1074 R_390_TLS_GD64 = 41, 1075 R_390_TLS_GOTIE12 = 42, 1076 R_390_TLS_GOTIE32 = 43, 1077 R_390_TLS_GOTIE64 = 44, 1078 R_390_TLS_LDM32 = 45, 1079 R_390_TLS_LDM64 = 46, 1080 R_390_TLS_IE32 = 47, 1081 R_390_TLS_IE64 = 48, 1082 R_390_TLS_IEENT = 49, 1083 R_390_TLS_LE32 = 50, 1084 R_390_TLS_LE64 = 51, 1085 R_390_TLS_LDO32 = 52, 1086 R_390_TLS_LDO64 = 53, 1087 R_390_TLS_DTPMOD = 54, 1088 R_390_TLS_DTPOFF = 55, 1089 R_390_TLS_TPOFF = 56, 1090 R_390_20 = 57, 1091 R_390_GOT20 = 58, 1092 R_390_GOTPLT20 = 59, 1093 R_390_TLS_GOTIE20 = 60, 1094 R_390_IRELATIVE = 61 1095}; 1096 1097// ELF Relocation type for Sparc. 1098enum { 1099 R_SPARC_NONE = 0, 1100 R_SPARC_8 = 1, 1101 R_SPARC_16 = 2, 1102 R_SPARC_32 = 3, 1103 R_SPARC_DISP8 = 4, 1104 R_SPARC_DISP16 = 5, 1105 R_SPARC_DISP32 = 6, 1106 R_SPARC_WDISP30 = 7, 1107 R_SPARC_WDISP22 = 8, 1108 R_SPARC_HI22 = 9, 1109 R_SPARC_22 = 10, 1110 R_SPARC_13 = 11, 1111 R_SPARC_LO10 = 12, 1112 R_SPARC_GOT10 = 13, 1113 R_SPARC_GOT13 = 14, 1114 R_SPARC_GOT22 = 15, 1115 R_SPARC_PC10 = 16, 1116 R_SPARC_PC22 = 17, 1117 R_SPARC_WPLT30 = 18, 1118 R_SPARC_COPY = 19, 1119 R_SPARC_GLOB_DAT = 20, 1120 R_SPARC_JMP_SLOT = 21, 1121 R_SPARC_RELATIVE = 22, 1122 R_SPARC_UA32 = 23, 1123 R_SPARC_PLT32 = 24, 1124 R_SPARC_HIPLT22 = 25, 1125 R_SPARC_LOPLT10 = 26, 1126 R_SPARC_PCPLT32 = 27, 1127 R_SPARC_PCPLT22 = 28, 1128 R_SPARC_PCPLT10 = 29, 1129 R_SPARC_10 = 30, 1130 R_SPARC_11 = 31, 1131 R_SPARC_64 = 32, 1132 R_SPARC_OLO10 = 33, 1133 R_SPARC_HH22 = 34, 1134 R_SPARC_HM10 = 35, 1135 R_SPARC_LM22 = 36, 1136 R_SPARC_PC_HH22 = 37, 1137 R_SPARC_PC_HM10 = 38, 1138 R_SPARC_PC_LM22 = 39, 1139 R_SPARC_WDISP16 = 40, 1140 R_SPARC_WDISP19 = 41, 1141 R_SPARC_7 = 43, 1142 R_SPARC_5 = 44, 1143 R_SPARC_6 = 45, 1144 R_SPARC_DISP64 = 46, 1145 R_SPARC_PLT64 = 47, 1146 R_SPARC_HIX22 = 48, 1147 R_SPARC_LOX10 = 49, 1148 R_SPARC_H44 = 50, 1149 R_SPARC_M44 = 51, 1150 R_SPARC_L44 = 52, 1151 R_SPARC_REGISTER = 53, 1152 R_SPARC_UA64 = 54, 1153 R_SPARC_UA16 = 55, 1154 R_SPARC_TLS_GD_HI22 = 56, 1155 R_SPARC_TLS_GD_LO10 = 57, 1156 R_SPARC_TLS_GD_ADD = 58, 1157 R_SPARC_TLS_GD_CALL = 59, 1158 R_SPARC_TLS_LDM_HI22 = 60, 1159 R_SPARC_TLS_LDM_LO10 = 61, 1160 R_SPARC_TLS_LDM_ADD = 62, 1161 R_SPARC_TLS_LDM_CALL = 63, 1162 R_SPARC_TLS_LDO_HIX22 = 64, 1163 R_SPARC_TLS_LDO_LOX10 = 65, 1164 R_SPARC_TLS_LDO_ADD = 66, 1165 R_SPARC_TLS_IE_HI22 = 67, 1166 R_SPARC_TLS_IE_LO10 = 68, 1167 R_SPARC_TLS_IE_LD = 69, 1168 R_SPARC_TLS_IE_LDX = 70, 1169 R_SPARC_TLS_IE_ADD = 71, 1170 R_SPARC_TLS_LE_HIX22 = 72, 1171 R_SPARC_TLS_LE_LOX10 = 73, 1172 R_SPARC_TLS_DTPMOD32 = 74, 1173 R_SPARC_TLS_DTPMOD64 = 75, 1174 R_SPARC_TLS_DTPOFF32 = 76, 1175 R_SPARC_TLS_DTPOFF64 = 77, 1176 R_SPARC_TLS_TPOFF32 = 78, 1177 R_SPARC_TLS_TPOFF64 = 79, 1178 R_SPARC_GOTDATA_HIX22 = 80, 1179 R_SPARC_GOTDATA_LOX22 = 81, 1180 R_SPARC_GOTDATA_OP_HIX22 = 82, 1181 R_SPARC_GOTDATA_OP_LOX22 = 83, 1182 R_SPARC_GOTDATA_OP = 84 1183}; 1184 1185// Section header. 1186struct Elf32_Shdr { 1187 Elf32_Word sh_name; // Section name (index into string table) 1188 Elf32_Word sh_type; // Section type (SHT_*) 1189 Elf32_Word sh_flags; // Section flags (SHF_*) 1190 Elf32_Addr sh_addr; // Address where section is to be loaded 1191 Elf32_Off sh_offset; // File offset of section data, in bytes 1192 Elf32_Word sh_size; // Size of section, in bytes 1193 Elf32_Word sh_link; // Section type-specific header table index link 1194 Elf32_Word sh_info; // Section type-specific extra information 1195 Elf32_Word sh_addralign; // Section address alignment 1196 Elf32_Word sh_entsize; // Size of records contained within the section 1197}; 1198 1199// Section header for ELF64 - same fields as ELF32, different types. 1200struct Elf64_Shdr { 1201 Elf64_Word sh_name; 1202 Elf64_Word sh_type; 1203 Elf64_Xword sh_flags; 1204 Elf64_Addr sh_addr; 1205 Elf64_Off sh_offset; 1206 Elf64_Xword sh_size; 1207 Elf64_Word sh_link; 1208 Elf64_Word sh_info; 1209 Elf64_Xword sh_addralign; 1210 Elf64_Xword sh_entsize; 1211}; 1212 1213// Special section indices. 1214enum { 1215 SHN_UNDEF = 0, // Undefined, missing, irrelevant, or meaningless 1216 SHN_LORESERVE = 0xff00, // Lowest reserved index 1217 SHN_LOPROC = 0xff00, // Lowest processor-specific index 1218 SHN_HIPROC = 0xff1f, // Highest processor-specific index 1219 SHN_LOOS = 0xff20, // Lowest operating system-specific index 1220 SHN_HIOS = 0xff3f, // Highest operating system-specific index 1221 SHN_ABS = 0xfff1, // Symbol has absolute value; does not need relocation 1222 SHN_COMMON = 0xfff2, // FORTRAN COMMON or C external global variables 1223 SHN_XINDEX = 0xffff, // Mark that the index is >= SHN_LORESERVE 1224 SHN_HIRESERVE = 0xffff // Highest reserved index 1225}; 1226 1227// Section types. 1228enum : unsigned { 1229 SHT_NULL = 0, // No associated section (inactive entry). 1230 SHT_PROGBITS = 1, // Program-defined contents. 1231 SHT_SYMTAB = 2, // Symbol table. 1232 SHT_STRTAB = 3, // String table. 1233 SHT_RELA = 4, // Relocation entries; explicit addends. 1234 SHT_HASH = 5, // Symbol hash table. 1235 SHT_DYNAMIC = 6, // Information for dynamic linking. 1236 SHT_NOTE = 7, // Information about the file. 1237 SHT_NOBITS = 8, // Data occupies no space in the file. 1238 SHT_REL = 9, // Relocation entries; no explicit addends. 1239 SHT_SHLIB = 10, // Reserved. 1240 SHT_DYNSYM = 11, // Symbol table. 1241 SHT_INIT_ARRAY = 14, // Pointers to initialization functions. 1242 SHT_FINI_ARRAY = 15, // Pointers to termination functions. 1243 SHT_PREINIT_ARRAY = 16, // Pointers to pre-init functions. 1244 SHT_GROUP = 17, // Section group. 1245 SHT_SYMTAB_SHNDX = 18, // Indices for SHN_XINDEX entries. 1246 SHT_LOOS = 0x60000000, // Lowest operating system-specific type. 1247 SHT_GNU_ATTRIBUTES= 0x6ffffff5, // Object attributes. 1248 SHT_GNU_HASH = 0x6ffffff6, // GNU-style hash table. 1249 SHT_GNU_verdef = 0x6ffffffd, // GNU version definitions. 1250 SHT_GNU_verneed = 0x6ffffffe, // GNU version references. 1251 SHT_GNU_versym = 0x6fffffff, // GNU symbol versions table. 1252 SHT_HIOS = 0x6fffffff, // Highest operating system-specific type. 1253 SHT_LOPROC = 0x70000000, // Lowest processor arch-specific type. 1254 // Fixme: All this is duplicated in MCSectionELF. Why?? 1255 // Exception Index table 1256 SHT_ARM_EXIDX = 0x70000001U, 1257 // BPABI DLL dynamic linking pre-emption map 1258 SHT_ARM_PREEMPTMAP = 0x70000002U, 1259 // Object file compatibility attributes 1260 SHT_ARM_ATTRIBUTES = 0x70000003U, 1261 SHT_ARM_DEBUGOVERLAY = 0x70000004U, 1262 SHT_ARM_OVERLAYSECTION = 0x70000005U, 1263 SHT_HEX_ORDERED = 0x70000000, // Link editor is to sort the entries in 1264 // this section based on their sizes 1265 SHT_X86_64_UNWIND = 0x70000001, // Unwind information 1266 1267 SHT_MIPS_REGINFO = 0x70000006, // Register usage information 1268 SHT_MIPS_OPTIONS = 0x7000000d, // General options 1269 1270 SHT_HIPROC = 0x7fffffff, // Highest processor arch-specific type. 1271 SHT_LOUSER = 0x80000000, // Lowest type reserved for applications. 1272 SHT_HIUSER = 0xffffffff // Highest type reserved for applications. 1273}; 1274 1275// Section flags. 1276enum : unsigned { 1277 // Section data should be writable during execution. 1278 SHF_WRITE = 0x1, 1279 1280 // Section occupies memory during program execution. 1281 SHF_ALLOC = 0x2, 1282 1283 // Section contains executable machine instructions. 1284 SHF_EXECINSTR = 0x4, 1285 1286 // The data in this section may be merged. 1287 SHF_MERGE = 0x10, 1288 1289 // The data in this section is null-terminated strings. 1290 SHF_STRINGS = 0x20, 1291 1292 // A field in this section holds a section header table index. 1293 SHF_INFO_LINK = 0x40U, 1294 1295 // Adds special ordering requirements for link editors. 1296 SHF_LINK_ORDER = 0x80U, 1297 1298 // This section requires special OS-specific processing to avoid incorrect 1299 // behavior. 1300 SHF_OS_NONCONFORMING = 0x100U, 1301 1302 // This section is a member of a section group. 1303 SHF_GROUP = 0x200U, 1304 1305 // This section holds Thread-Local Storage. 1306 SHF_TLS = 0x400U, 1307 1308 // This section is excluded from the final executable or shared library. 1309 SHF_EXCLUDE = 0x80000000U, 1310 1311 // Start of target-specific flags. 1312 1313 /// XCORE_SHF_CP_SECTION - All sections with the "c" flag are grouped 1314 /// together by the linker to form the constant pool and the cp register is 1315 /// set to the start of the constant pool by the boot code. 1316 XCORE_SHF_CP_SECTION = 0x800U, 1317 1318 /// XCORE_SHF_DP_SECTION - All sections with the "d" flag are grouped 1319 /// together by the linker to form the data section and the dp register is 1320 /// set to the start of the section by the boot code. 1321 XCORE_SHF_DP_SECTION = 0x1000U, 1322 1323 SHF_MASKOS = 0x0ff00000, 1324 1325 // Bits indicating processor-specific flags. 1326 SHF_MASKPROC = 0xf0000000, 1327 1328 // If an object file section does not have this flag set, then it may not hold 1329 // more than 2GB and can be freely referred to in objects using smaller code 1330 // models. Otherwise, only objects using larger code models can refer to them. 1331 // For example, a medium code model object can refer to data in a section that 1332 // sets this flag besides being able to refer to data in a section that does 1333 // not set it; likewise, a small code model object can refer only to code in a 1334 // section that does not set this flag. 1335 SHF_X86_64_LARGE = 0x10000000, 1336 1337 // All sections with the GPREL flag are grouped into a global data area 1338 // for faster accesses 1339 SHF_HEX_GPREL = 0x10000000, 1340 1341 // Section contains text/data which may be replicated in other sections. 1342 // Linker must retain only one copy. 1343 SHF_MIPS_NODUPES = 0x01000000, 1344 1345 // Linker must generate implicit hidden weak names. 1346 SHF_MIPS_NAMES = 0x02000000, 1347 1348 // Section data local to process. 1349 SHF_MIPS_LOCAL = 0x04000000, 1350 1351 // Do not strip this section. 1352 SHF_MIPS_NOSTRIP = 0x08000000, 1353 1354 // Section must be part of global data area. 1355 SHF_MIPS_GPREL = 0x10000000, 1356 1357 // This section should be merged. 1358 SHF_MIPS_MERGE = 0x20000000, 1359 1360 // Address size to be inferred from section entry size. 1361 SHF_MIPS_ADDR = 0x40000000, 1362 1363 // Section data is string data by default. 1364 SHF_MIPS_STRING = 0x80000000 1365}; 1366 1367// Section Group Flags 1368enum : unsigned { 1369 GRP_COMDAT = 0x1, 1370 GRP_MASKOS = 0x0ff00000, 1371 GRP_MASKPROC = 0xf0000000 1372}; 1373 1374// Symbol table entries for ELF32. 1375struct Elf32_Sym { 1376 Elf32_Word st_name; // Symbol name (index into string table) 1377 Elf32_Addr st_value; // Value or address associated with the symbol 1378 Elf32_Word st_size; // Size of the symbol 1379 unsigned char st_info; // Symbol's type and binding attributes 1380 unsigned char st_other; // Must be zero; reserved 1381 Elf32_Half st_shndx; // Which section (header table index) it's defined in 1382 1383 // These accessors and mutators correspond to the ELF32_ST_BIND, 1384 // ELF32_ST_TYPE, and ELF32_ST_INFO macros defined in the ELF specification: 1385 unsigned char getBinding() const { return st_info >> 4; } 1386 unsigned char getType() const { return st_info & 0x0f; } 1387 void setBinding(unsigned char b) { setBindingAndType(b, getType()); } 1388 void setType(unsigned char t) { setBindingAndType(getBinding(), t); } 1389 void setBindingAndType(unsigned char b, unsigned char t) { 1390 st_info = (b << 4) + (t & 0x0f); 1391 } 1392}; 1393 1394// Symbol table entries for ELF64. 1395struct Elf64_Sym { 1396 Elf64_Word st_name; // Symbol name (index into string table) 1397 unsigned char st_info; // Symbol's type and binding attributes 1398 unsigned char st_other; // Must be zero; reserved 1399 Elf64_Half st_shndx; // Which section (header tbl index) it's defined in 1400 Elf64_Addr st_value; // Value or address associated with the symbol 1401 Elf64_Xword st_size; // Size of the symbol 1402 1403 // These accessors and mutators are identical to those defined for ELF32 1404 // symbol table entries. 1405 unsigned char getBinding() const { return st_info >> 4; } 1406 unsigned char getType() const { return st_info & 0x0f; } 1407 void setBinding(unsigned char b) { setBindingAndType(b, getType()); } 1408 void setType(unsigned char t) { setBindingAndType(getBinding(), t); } 1409 void setBindingAndType(unsigned char b, unsigned char t) { 1410 st_info = (b << 4) + (t & 0x0f); 1411 } 1412}; 1413 1414// The size (in bytes) of symbol table entries. 1415enum { 1416 SYMENTRY_SIZE32 = 16, // 32-bit symbol entry size 1417 SYMENTRY_SIZE64 = 24 // 64-bit symbol entry size. 1418}; 1419 1420// Symbol bindings. 1421enum { 1422 STB_LOCAL = 0, // Local symbol, not visible outside obj file containing def 1423 STB_GLOBAL = 1, // Global symbol, visible to all object files being combined 1424 STB_WEAK = 2, // Weak symbol, like global but lower-precedence 1425 STB_LOOS = 10, // Lowest operating system-specific binding type 1426 STB_HIOS = 12, // Highest operating system-specific binding type 1427 STB_LOPROC = 13, // Lowest processor-specific binding type 1428 STB_HIPROC = 15 // Highest processor-specific binding type 1429}; 1430 1431// Symbol types. 1432enum { 1433 STT_NOTYPE = 0, // Symbol's type is not specified 1434 STT_OBJECT = 1, // Symbol is a data object (variable, array, etc.) 1435 STT_FUNC = 2, // Symbol is executable code (function, etc.) 1436 STT_SECTION = 3, // Symbol refers to a section 1437 STT_FILE = 4, // Local, absolute symbol that refers to a file 1438 STT_COMMON = 5, // An uninitialized common block 1439 STT_TLS = 6, // Thread local data object 1440 STT_LOOS = 7, // Lowest operating system-specific symbol type 1441 STT_HIOS = 8, // Highest operating system-specific symbol type 1442 STT_GNU_IFUNC = 10, // GNU indirect function 1443 STT_LOPROC = 13, // Lowest processor-specific symbol type 1444 STT_HIPROC = 15 // Highest processor-specific symbol type 1445}; 1446 1447enum { 1448 STV_DEFAULT = 0, // Visibility is specified by binding type 1449 STV_INTERNAL = 1, // Defined by processor supplements 1450 STV_HIDDEN = 2, // Not visible to other components 1451 STV_PROTECTED = 3 // Visible in other components but not preemptable 1452}; 1453 1454// Symbol number. 1455enum { 1456 STN_UNDEF = 0 1457}; 1458 1459// Relocation entry, without explicit addend. 1460struct Elf32_Rel { 1461 Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr) 1462 Elf32_Word r_info; // Symbol table index and type of relocation to apply 1463 1464 // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE, 1465 // and ELF32_R_INFO macros defined in the ELF specification: 1466 Elf32_Word getSymbol() const { return (r_info >> 8); } 1467 unsigned char getType() const { return (unsigned char) (r_info & 0x0ff); } 1468 void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); } 1469 void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); } 1470 void setSymbolAndType(Elf32_Word s, unsigned char t) { 1471 r_info = (s << 8) + t; 1472 } 1473}; 1474 1475// Relocation entry with explicit addend. 1476struct Elf32_Rela { 1477 Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr) 1478 Elf32_Word r_info; // Symbol table index and type of relocation to apply 1479 Elf32_Sword r_addend; // Compute value for relocatable field by adding this 1480 1481 // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE, 1482 // and ELF32_R_INFO macros defined in the ELF specification: 1483 Elf32_Word getSymbol() const { return (r_info >> 8); } 1484 unsigned char getType() const { return (unsigned char) (r_info & 0x0ff); } 1485 void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); } 1486 void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); } 1487 void setSymbolAndType(Elf32_Word s, unsigned char t) { 1488 r_info = (s << 8) + t; 1489 } 1490}; 1491 1492// Relocation entry, without explicit addend. 1493struct Elf64_Rel { 1494 Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr). 1495 Elf64_Xword r_info; // Symbol table index and type of relocation to apply. 1496 1497 // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE, 1498 // and ELF64_R_INFO macros defined in the ELF specification: 1499 Elf64_Word getSymbol() const { return (r_info >> 32); } 1500 Elf64_Word getType() const { 1501 return (Elf64_Word) (r_info & 0xffffffffL); 1502 } 1503 void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); } 1504 void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); } 1505 void setSymbolAndType(Elf64_Word s, Elf64_Word t) { 1506 r_info = ((Elf64_Xword)s << 32) + (t&0xffffffffL); 1507 } 1508}; 1509 1510// Relocation entry with explicit addend. 1511struct Elf64_Rela { 1512 Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr). 1513 Elf64_Xword r_info; // Symbol table index and type of relocation to apply. 1514 Elf64_Sxword r_addend; // Compute value for relocatable field by adding this. 1515 1516 // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE, 1517 // and ELF64_R_INFO macros defined in the ELF specification: 1518 Elf64_Word getSymbol() const { return (r_info >> 32); } 1519 Elf64_Word getType() const { 1520 return (Elf64_Word) (r_info & 0xffffffffL); 1521 } 1522 void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); } 1523 void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); } 1524 void setSymbolAndType(Elf64_Word s, Elf64_Word t) { 1525 r_info = ((Elf64_Xword)s << 32) + (t&0xffffffffL); 1526 } 1527}; 1528 1529// Program header for ELF32. 1530struct Elf32_Phdr { 1531 Elf32_Word p_type; // Type of segment 1532 Elf32_Off p_offset; // File offset where segment is located, in bytes 1533 Elf32_Addr p_vaddr; // Virtual address of beginning of segment 1534 Elf32_Addr p_paddr; // Physical address of beginning of segment (OS-specific) 1535 Elf32_Word p_filesz; // Num. of bytes in file image of segment (may be zero) 1536 Elf32_Word p_memsz; // Num. of bytes in mem image of segment (may be zero) 1537 Elf32_Word p_flags; // Segment flags 1538 Elf32_Word p_align; // Segment alignment constraint 1539}; 1540 1541// Program header for ELF64. 1542struct Elf64_Phdr { 1543 Elf64_Word p_type; // Type of segment 1544 Elf64_Word p_flags; // Segment flags 1545 Elf64_Off p_offset; // File offset where segment is located, in bytes 1546 Elf64_Addr p_vaddr; // Virtual address of beginning of segment 1547 Elf64_Addr p_paddr; // Physical addr of beginning of segment (OS-specific) 1548 Elf64_Xword p_filesz; // Num. of bytes in file image of segment (may be zero) 1549 Elf64_Xword p_memsz; // Num. of bytes in mem image of segment (may be zero) 1550 Elf64_Xword p_align; // Segment alignment constraint 1551}; 1552 1553// Segment types. 1554enum { 1555 PT_NULL = 0, // Unused segment. 1556 PT_LOAD = 1, // Loadable segment. 1557 PT_DYNAMIC = 2, // Dynamic linking information. 1558 PT_INTERP = 3, // Interpreter pathname. 1559 PT_NOTE = 4, // Auxiliary information. 1560 PT_SHLIB = 5, // Reserved. 1561 PT_PHDR = 6, // The program header table itself. 1562 PT_TLS = 7, // The thread-local storage template. 1563 PT_LOOS = 0x60000000, // Lowest operating system-specific pt entry type. 1564 PT_HIOS = 0x6fffffff, // Highest operating system-specific pt entry type. 1565 PT_LOPROC = 0x70000000, // Lowest processor-specific program hdr entry type. 1566 PT_HIPROC = 0x7fffffff, // Highest processor-specific program hdr entry type. 1567 1568 // x86-64 program header types. 1569 // These all contain stack unwind tables. 1570 PT_GNU_EH_FRAME = 0x6474e550, 1571 PT_SUNW_EH_FRAME = 0x6474e550, 1572 PT_SUNW_UNWIND = 0x6464e550, 1573 1574 PT_GNU_STACK = 0x6474e551, // Indicates stack executability. 1575 PT_GNU_RELRO = 0x6474e552, // Read-only after relocation. 1576 1577 // ARM program header types. 1578 PT_ARM_ARCHEXT = 0x70000000, // Platform architecture compatibility info 1579 // These all contain stack unwind tables. 1580 PT_ARM_EXIDX = 0x70000001, 1581 PT_ARM_UNWIND = 0x70000001, 1582 1583 // MIPS program header types. 1584 PT_MIPS_REGINFO = 0x70000000, // Register usage information. 1585 PT_MIPS_RTPROC = 0x70000001, // Runtime procedure table. 1586 PT_MIPS_OPTIONS = 0x70000002 // Options segment. 1587}; 1588 1589// Segment flag bits. 1590enum : unsigned { 1591 PF_X = 1, // Execute 1592 PF_W = 2, // Write 1593 PF_R = 4, // Read 1594 PF_MASKOS = 0x0ff00000,// Bits for operating system-specific semantics. 1595 PF_MASKPROC = 0xf0000000 // Bits for processor-specific semantics. 1596}; 1597 1598// Dynamic table entry for ELF32. 1599struct Elf32_Dyn 1600{ 1601 Elf32_Sword d_tag; // Type of dynamic table entry. 1602 union 1603 { 1604 Elf32_Word d_val; // Integer value of entry. 1605 Elf32_Addr d_ptr; // Pointer value of entry. 1606 } d_un; 1607}; 1608 1609// Dynamic table entry for ELF64. 1610struct Elf64_Dyn 1611{ 1612 Elf64_Sxword d_tag; // Type of dynamic table entry. 1613 union 1614 { 1615 Elf64_Xword d_val; // Integer value of entry. 1616 Elf64_Addr d_ptr; // Pointer value of entry. 1617 } d_un; 1618}; 1619 1620// Dynamic table entry tags. 1621enum { 1622 DT_NULL = 0, // Marks end of dynamic array. 1623 DT_NEEDED = 1, // String table offset of needed library. 1624 DT_PLTRELSZ = 2, // Size of relocation entries in PLT. 1625 DT_PLTGOT = 3, // Address associated with linkage table. 1626 DT_HASH = 4, // Address of symbolic hash table. 1627 DT_STRTAB = 5, // Address of dynamic string table. 1628 DT_SYMTAB = 6, // Address of dynamic symbol table. 1629 DT_RELA = 7, // Address of relocation table (Rela entries). 1630 DT_RELASZ = 8, // Size of Rela relocation table. 1631 DT_RELAENT = 9, // Size of a Rela relocation entry. 1632 DT_STRSZ = 10, // Total size of the string table. 1633 DT_SYMENT = 11, // Size of a symbol table entry. 1634 DT_INIT = 12, // Address of initialization function. 1635 DT_FINI = 13, // Address of termination function. 1636 DT_SONAME = 14, // String table offset of a shared objects name. 1637 DT_RPATH = 15, // String table offset of library search path. 1638 DT_SYMBOLIC = 16, // Changes symbol resolution algorithm. 1639 DT_REL = 17, // Address of relocation table (Rel entries). 1640 DT_RELSZ = 18, // Size of Rel relocation table. 1641 DT_RELENT = 19, // Size of a Rel relocation entry. 1642 DT_PLTREL = 20, // Type of relocation entry used for linking. 1643 DT_DEBUG = 21, // Reserved for debugger. 1644 DT_TEXTREL = 22, // Relocations exist for non-writable segments. 1645 DT_JMPREL = 23, // Address of relocations associated with PLT. 1646 DT_BIND_NOW = 24, // Process all relocations before execution. 1647 DT_INIT_ARRAY = 25, // Pointer to array of initialization functions. 1648 DT_FINI_ARRAY = 26, // Pointer to array of termination functions. 1649 DT_INIT_ARRAYSZ = 27, // Size of DT_INIT_ARRAY. 1650 DT_FINI_ARRAYSZ = 28, // Size of DT_FINI_ARRAY. 1651 DT_RUNPATH = 29, // String table offset of lib search path. 1652 DT_FLAGS = 30, // Flags. 1653 DT_ENCODING = 32, // Values from here to DT_LOOS follow the rules 1654 // for the interpretation of the d_un union. 1655 1656 DT_PREINIT_ARRAY = 32, // Pointer to array of preinit functions. 1657 DT_PREINIT_ARRAYSZ = 33, // Size of the DT_PREINIT_ARRAY array. 1658 1659 DT_LOOS = 0x60000000, // Start of environment specific tags. 1660 DT_HIOS = 0x6FFFFFFF, // End of environment specific tags. 1661 DT_LOPROC = 0x70000000, // Start of processor specific tags. 1662 DT_HIPROC = 0x7FFFFFFF, // End of processor specific tags. 1663 1664 DT_RELACOUNT = 0x6FFFFFF9, // ELF32_Rela count. 1665 DT_RELCOUNT = 0x6FFFFFFA, // ELF32_Rel count. 1666 1667 DT_FLAGS_1 = 0X6FFFFFFB, // Flags_1. 1668 DT_VERSYM = 0x6FFFFFF0, // The address of .gnu.version section. 1669 DT_VERDEF = 0X6FFFFFFC, // The address of the version definition table. 1670 DT_VERDEFNUM = 0X6FFFFFFD, // The number of entries in DT_VERDEF. 1671 DT_VERNEED = 0X6FFFFFFE, // The address of the version Dependency table. 1672 DT_VERNEEDNUM = 0X6FFFFFFF, // The number of entries in DT_VERNEED. 1673 1674 // Mips specific dynamic table entry tags. 1675 DT_MIPS_RLD_VERSION = 0x70000001, // 32 bit version number for runtime 1676 // linker interface. 1677 DT_MIPS_TIME_STAMP = 0x70000002, // Time stamp. 1678 DT_MIPS_ICHECKSUM = 0x70000003, // Checksum of external strings 1679 // and common sizes. 1680 DT_MIPS_IVERSION = 0x70000004, // Index of version string 1681 // in string table. 1682 DT_MIPS_FLAGS = 0x70000005, // 32 bits of flags. 1683 DT_MIPS_BASE_ADDRESS = 0x70000006, // Base address of the segment. 1684 DT_MIPS_MSYM = 0x70000007, // Address of .msym section. 1685 DT_MIPS_CONFLICT = 0x70000008, // Address of .conflict section. 1686 DT_MIPS_LIBLIST = 0x70000009, // Address of .liblist section. 1687 DT_MIPS_LOCAL_GOTNO = 0x7000000a, // Number of local global offset 1688 // table entries. 1689 DT_MIPS_CONFLICTNO = 0x7000000b, // Number of entries 1690 // in the .conflict section. 1691 DT_MIPS_LIBLISTNO = 0x70000010, // Number of entries 1692 // in the .liblist section. 1693 DT_MIPS_SYMTABNO = 0x70000011, // Number of entries 1694 // in the .dynsym section. 1695 DT_MIPS_UNREFEXTNO = 0x70000012, // Index of first external dynamic symbol 1696 // not referenced locally. 1697 DT_MIPS_GOTSYM = 0x70000013, // Index of first dynamic symbol 1698 // in global offset table. 1699 DT_MIPS_HIPAGENO = 0x70000014, // Number of page table entries 1700 // in global offset table. 1701 DT_MIPS_RLD_MAP = 0x70000016, // Address of run time loader map, 1702 // used for debugging. 1703 DT_MIPS_DELTA_CLASS = 0x70000017, // Delta C++ class definition. 1704 DT_MIPS_DELTA_CLASS_NO = 0x70000018, // Number of entries 1705 // in DT_MIPS_DELTA_CLASS. 1706 DT_MIPS_DELTA_INSTANCE = 0x70000019, // Delta C++ class instances. 1707 DT_MIPS_DELTA_INSTANCE_NO = 0x7000001A, // Number of entries 1708 // in DT_MIPS_DELTA_INSTANCE. 1709 DT_MIPS_DELTA_RELOC = 0x7000001B, // Delta relocations. 1710 DT_MIPS_DELTA_RELOC_NO = 0x7000001C, // Number of entries 1711 // in DT_MIPS_DELTA_RELOC. 1712 DT_MIPS_DELTA_SYM = 0x7000001D, // Delta symbols that Delta 1713 // relocations refer to. 1714 DT_MIPS_DELTA_SYM_NO = 0x7000001E, // Number of entries 1715 // in DT_MIPS_DELTA_SYM. 1716 DT_MIPS_DELTA_CLASSSYM = 0x70000020, // Delta symbols that hold 1717 // class declarations. 1718 DT_MIPS_DELTA_CLASSSYM_NO = 0x70000021, // Number of entries 1719 // in DT_MIPS_DELTA_CLASSSYM. 1720 DT_MIPS_CXX_FLAGS = 0x70000022, // Flags indicating information 1721 // about C++ flavor. 1722 DT_MIPS_PIXIE_INIT = 0x70000023, // Pixie information. 1723 DT_MIPS_SYMBOL_LIB = 0x70000024, // Address of .MIPS.symlib 1724 DT_MIPS_LOCALPAGE_GOTIDX = 0x70000025, // The GOT index of the first PTE 1725 // for a segment 1726 DT_MIPS_LOCAL_GOTIDX = 0x70000026, // The GOT index of the first PTE 1727 // for a local symbol 1728 DT_MIPS_HIDDEN_GOTIDX = 0x70000027, // The GOT index of the first PTE 1729 // for a hidden symbol 1730 DT_MIPS_PROTECTED_GOTIDX = 0x70000028, // The GOT index of the first PTE 1731 // for a protected symbol 1732 DT_MIPS_OPTIONS = 0x70000029, // Address of `.MIPS.options'. 1733 DT_MIPS_INTERFACE = 0x7000002A, // Address of `.interface'. 1734 DT_MIPS_DYNSTR_ALIGN = 0x7000002B, // Unknown. 1735 DT_MIPS_INTERFACE_SIZE = 0x7000002C, // Size of the .interface section. 1736 DT_MIPS_RLD_TEXT_RESOLVE_ADDR = 0x7000002D, // Size of rld_text_resolve 1737 // function stored in the GOT. 1738 DT_MIPS_PERF_SUFFIX = 0x7000002E, // Default suffix of DSO to be added 1739 // by rld on dlopen() calls. 1740 DT_MIPS_COMPACT_SIZE = 0x7000002F, // Size of compact relocation 1741 // section (O32). 1742 DT_MIPS_GP_VALUE = 0x70000030, // GP value for auxiliary GOTs. 1743 DT_MIPS_AUX_DYNAMIC = 0x70000031, // Address of auxiliary .dynamic. 1744 DT_MIPS_PLTGOT = 0x70000032, // Address of the base of the PLTGOT. 1745 DT_MIPS_RWPLT = 0x70000034 // Points to the base 1746 // of a writable PLT. 1747}; 1748 1749// DT_FLAGS values. 1750enum { 1751 DF_ORIGIN = 0x01, // The object may reference $ORIGIN. 1752 DF_SYMBOLIC = 0x02, // Search the shared lib before searching the exe. 1753 DF_TEXTREL = 0x04, // Relocations may modify a non-writable segment. 1754 DF_BIND_NOW = 0x08, // Process all relocations on load. 1755 DF_STATIC_TLS = 0x10 // Reject attempts to load dynamically. 1756}; 1757 1758// State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 entry. 1759enum { 1760 DF_1_NOW = 0x00000001, // Set RTLD_NOW for this object. 1761 DF_1_GLOBAL = 0x00000002, // Set RTLD_GLOBAL for this object. 1762 DF_1_GROUP = 0x00000004, // Set RTLD_GROUP for this object. 1763 DF_1_NODELETE = 0x00000008, // Set RTLD_NODELETE for this object. 1764 DF_1_LOADFLTR = 0x00000010, // Trigger filtee loading at runtime. 1765 DF_1_INITFIRST = 0x00000020, // Set RTLD_INITFIRST for this object. 1766 DF_1_NOOPEN = 0x00000040, // Set RTLD_NOOPEN for this object. 1767 DF_1_ORIGIN = 0x00000080, // $ORIGIN must be handled. 1768 DF_1_DIRECT = 0x00000100, // Direct binding enabled. 1769 DF_1_TRANS = 0x00000200, 1770 DF_1_INTERPOSE = 0x00000400, // Object is used to interpose. 1771 DF_1_NODEFLIB = 0x00000800, // Ignore default lib search path. 1772 DF_1_NODUMP = 0x00001000, // Object can't be dldump'ed. 1773 DF_1_CONFALT = 0x00002000, // Configuration alternative created. 1774 DF_1_ENDFILTEE = 0x00004000, // Filtee terminates filters search. 1775 DF_1_DISPRELDNE = 0x00008000, // Disp reloc applied at build time. 1776 DF_1_DISPRELPND = 0x00010000 // Disp reloc applied at run-time. 1777}; 1778 1779// DT_MIPS_FLAGS values. 1780enum { 1781 RHF_NONE = 0x00000000, // No flags. 1782 RHF_QUICKSTART = 0x00000001, // Uses shortcut pointers. 1783 RHF_NOTPOT = 0x00000002, // Hash size is not a power of two. 1784 RHS_NO_LIBRARY_REPLACEMENT = 0x00000004, // Ignore LD_LIBRARY_PATH. 1785 RHF_NO_MOVE = 0x00000008, // DSO address may not be relocated. 1786 RHF_SGI_ONLY = 0x00000010, // SGI specific features. 1787 RHF_GUARANTEE_INIT = 0x00000020, // Guarantee that .init will finish 1788 // executing before any non-init 1789 // code in DSO is called. 1790 RHF_DELTA_C_PLUS_PLUS = 0x00000040, // Contains Delta C++ code. 1791 RHF_GUARANTEE_START_INIT = 0x00000080, // Guarantee that .init will start 1792 // executing before any non-init 1793 // code in DSO is called. 1794 RHF_PIXIE = 0x00000100, // Generated by pixie. 1795 RHF_DEFAULT_DELAY_LOAD = 0x00000200, // Delay-load DSO by default. 1796 RHF_REQUICKSTART = 0x00000400, // Object may be requickstarted 1797 RHF_REQUICKSTARTED = 0x00000800, // Object has been requickstarted 1798 RHF_CORD = 0x00001000, // Generated by cord. 1799 RHF_NO_UNRES_UNDEF = 0x00002000, // Object contains no unresolved 1800 // undef symbols. 1801 RHF_RLD_ORDER_SAFE = 0x00004000 // Symbol table is in a safe order. 1802}; 1803 1804// ElfXX_VerDef structure version (GNU versioning) 1805enum { 1806 VER_DEF_NONE = 0, 1807 VER_DEF_CURRENT = 1 1808}; 1809 1810// VerDef Flags (ElfXX_VerDef::vd_flags) 1811enum { 1812 VER_FLG_BASE = 0x1, 1813 VER_FLG_WEAK = 0x2, 1814 VER_FLG_INFO = 0x4 1815}; 1816 1817// Special constants for the version table. (SHT_GNU_versym/.gnu.version) 1818enum { 1819 VER_NDX_LOCAL = 0, // Unversioned local symbol 1820 VER_NDX_GLOBAL = 1, // Unversioned global symbol 1821 VERSYM_VERSION = 0x7fff, // Version Index mask 1822 VERSYM_HIDDEN = 0x8000 // Hidden bit (non-default version) 1823}; 1824 1825// ElfXX_VerNeed structure version (GNU versioning) 1826enum { 1827 VER_NEED_NONE = 0, 1828 VER_NEED_CURRENT = 1 1829}; 1830 1831} // end namespace ELF 1832 1833} // end namespace llvm 1834 1835#endif 1836