1 /* ELF support for BFD. 2 Copyright (C) 1991-2014 Free Software Foundation, Inc. 3 4 Written by Fred Fish @ Cygnus Support, from information published 5 in "UNIX System V Release 4, Programmers Guide: ANSI C and 6 Programming Support Tools". 7 8 This file is part of BFD, the Binary File Descriptor library. 9 10 This program is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 3 of the License, or 13 (at your option) any later version. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program; if not, write to the Free Software 22 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 23 MA 02110-1301, USA. */ 24 25 /* This file is part of ELF support for BFD, and contains the portions 26 that are common to both the internal and external representations. 27 For example, ELFMAG0 is the byte 0x7F in both the internal (in-memory) 28 and external (in-file) representations. */ 29 30 #ifndef _ELF_COMMON_H 31 #define _ELF_COMMON_H 32 33 /* Fields in e_ident[]. */ 34 35 #define EI_MAG0 0 /* File identification byte 0 index */ 36 #define ELFMAG0 0x7F /* Magic number byte 0 */ 37 38 #define EI_MAG1 1 /* File identification byte 1 index */ 39 #define ELFMAG1 'E' /* Magic number byte 1 */ 40 41 #define EI_MAG2 2 /* File identification byte 2 index */ 42 #define ELFMAG2 'L' /* Magic number byte 2 */ 43 44 #define EI_MAG3 3 /* File identification byte 3 index */ 45 #define ELFMAG3 'F' /* Magic number byte 3 */ 46 47 #define EI_CLASS 4 /* File class */ 48 #define ELFCLASSNONE 0 /* Invalid class */ 49 #define ELFCLASS32 1 /* 32-bit objects */ 50 #define ELFCLASS64 2 /* 64-bit objects */ 51 52 #define EI_DATA 5 /* Data encoding */ 53 #define ELFDATANONE 0 /* Invalid data encoding */ 54 #define ELFDATA2LSB 1 /* 2's complement, little endian */ 55 #define ELFDATA2MSB 2 /* 2's complement, big endian */ 56 57 #define EI_VERSION 6 /* File version */ 58 59 #define EI_OSABI 7 /* Operating System/ABI indication */ 60 #define ELFOSABI_NONE 0 /* UNIX System V ABI */ 61 #define ELFOSABI_HPUX 1 /* HP-UX operating system */ 62 #define ELFOSABI_NETBSD 2 /* NetBSD */ 63 #define ELFOSABI_GNU 3 /* GNU */ 64 #define ELFOSABI_LINUX 3 /* Alias for ELFOSABI_GNU */ 65 #define ELFOSABI_SOLARIS 6 /* Solaris */ 66 #define ELFOSABI_AIX 7 /* AIX */ 67 #define ELFOSABI_IRIX 8 /* IRIX */ 68 #define ELFOSABI_FREEBSD 9 /* FreeBSD */ 69 #define ELFOSABI_TRU64 10 /* TRU64 UNIX */ 70 #define ELFOSABI_MODESTO 11 /* Novell Modesto */ 71 #define ELFOSABI_OPENBSD 12 /* OpenBSD */ 72 #define ELFOSABI_OPENVMS 13 /* OpenVMS */ 73 #define ELFOSABI_NSK 14 /* Hewlett-Packard Non-Stop Kernel */ 74 #define ELFOSABI_AROS 15 /* AROS */ 75 #define ELFOSABI_FENIXOS 16 /* FenixOS */ 76 #define ELFOSABI_C6000_ELFABI 64 /* Bare-metal TMS320C6000 */ 77 #define ELFOSABI_C6000_LINUX 65 /* Linux TMS320C6000 */ 78 #define ELFOSABI_ARM 97 /* ARM */ 79 #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ 80 81 #define EI_ABIVERSION 8 /* ABI version */ 82 83 #define EI_PAD 9 /* Start of padding bytes */ 84 85 86 /* Values for e_type, which identifies the object file type. */ 87 88 #define ET_NONE 0 /* No file type */ 89 #define ET_REL 1 /* Relocatable file */ 90 #define ET_EXEC 2 /* Executable file */ 91 #define ET_DYN 3 /* Shared object file */ 92 #define ET_CORE 4 /* Core file */ 93 #define ET_LOOS 0xFE00 /* Operating system-specific */ 94 #define ET_HIOS 0xFEFF /* Operating system-specific */ 95 #define ET_LOPROC 0xFF00 /* Processor-specific */ 96 #define ET_HIPROC 0xFFFF /* Processor-specific */ 97 98 /* Values for e_machine, which identifies the architecture. These numbers 99 are officially assigned by registry (at) sco.com. See below for a list of 100 ad-hoc numbers used during initial development. */ 101 102 #define EM_NONE 0 /* No machine */ 103 #define EM_M32 1 /* AT&T WE 32100 */ 104 #define EM_SPARC 2 /* SUN SPARC */ 105 #define EM_386 3 /* Intel 80386 */ 106 #define EM_68K 4 /* Motorola m68k family */ 107 #define EM_88K 5 /* Motorola m88k family */ 108 #define EM_486 6 /* Intel 80486 *//* Reserved for future use */ 109 #define EM_860 7 /* Intel 80860 */ 110 #define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */ 111 #define EM_S370 9 /* IBM System/370 */ 112 #define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian (Oct 4 1999 Draft) Deprecated */ 113 #define EM_res011 11 /* Reserved */ 114 #define EM_res012 12 /* Reserved */ 115 #define EM_res013 13 /* Reserved */ 116 #define EM_res014 14 /* Reserved */ 117 #define EM_PARISC 15 /* HPPA */ 118 #define EM_res016 16 /* Reserved */ 119 #define EM_VPP550 17 /* Fujitsu VPP500 */ 120 #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ 121 #define EM_960 19 /* Intel 80960 */ 122 #define EM_PPC 20 /* PowerPC */ 123 #define EM_PPC64 21 /* 64-bit PowerPC */ 124 #define EM_S390 22 /* IBM S/390 */ 125 #define EM_SPU 23 /* Sony/Toshiba/IBM SPU */ 126 #define EM_res024 24 /* Reserved */ 127 #define EM_res025 25 /* Reserved */ 128 #define EM_res026 26 /* Reserved */ 129 #define EM_res027 27 /* Reserved */ 130 #define EM_res028 28 /* Reserved */ 131 #define EM_res029 29 /* Reserved */ 132 #define EM_res030 30 /* Reserved */ 133 #define EM_res031 31 /* Reserved */ 134 #define EM_res032 32 /* Reserved */ 135 #define EM_res033 33 /* Reserved */ 136 #define EM_res034 34 /* Reserved */ 137 #define EM_res035 35 /* Reserved */ 138 #define EM_V800 36 /* NEC V800 series */ 139 #define EM_FR20 37 /* Fujitsu FR20 */ 140 #define EM_RH32 38 /* TRW RH32 */ 141 #define EM_MCORE 39 /* Motorola M*Core */ /* May also be taken by Fujitsu MMA */ 142 #define EM_RCE 39 /* Old name for MCore */ 143 #define EM_ARM 40 /* ARM */ 144 #define EM_OLD_ALPHA 41 /* Digital Alpha */ 145 #define EM_SH 42 /* Renesas (formerly Hitachi) / SuperH SH */ 146 #define EM_SPARCV9 43 /* SPARC v9 64-bit */ 147 #define EM_TRICORE 44 /* Siemens Tricore embedded processor */ 148 #define EM_ARC 45 /* ARC Cores */ 149 #define EM_H8_300 46 /* Renesas (formerly Hitachi) H8/300 */ 150 #define EM_H8_300H 47 /* Renesas (formerly Hitachi) H8/300H */ 151 #define EM_H8S 48 /* Renesas (formerly Hitachi) H8S */ 152 #define EM_H8_500 49 /* Renesas (formerly Hitachi) H8/500 */ 153 #define EM_IA_64 50 /* Intel IA-64 Processor */ 154 #define EM_MIPS_X 51 /* Stanford MIPS-X */ 155 #define EM_COLDFIRE 52 /* Motorola Coldfire */ 156 #define EM_68HC12 53 /* Motorola M68HC12 */ 157 #define EM_MMA 54 /* Fujitsu Multimedia Accelerator */ 158 #define EM_PCP 55 /* Siemens PCP */ 159 #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */ 160 #define EM_NDR1 57 /* Denso NDR1 microprocessor */ 161 #define EM_STARCORE 58 /* Motorola Star*Core processor */ 162 #define EM_ME16 59 /* Toyota ME16 processor */ 163 #define EM_ST100 60 /* STMicroelectronics ST100 processor */ 164 #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded processor */ 165 #define EM_X86_64 62 /* Advanced Micro Devices X86-64 processor */ 166 #define EM_PDSP 63 /* Sony DSP Processor */ 167 #define EM_PDP10 64 /* Digital Equipment Corp. PDP-10 */ 168 #define EM_PDP11 65 /* Digital Equipment Corp. PDP-11 */ 169 #define EM_FX66 66 /* Siemens FX66 microcontroller */ 170 #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */ 171 #define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */ 172 #define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */ 173 #define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */ 174 #define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */ 175 #define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */ 176 #define EM_SVX 73 /* Silicon Graphics SVx */ 177 #define EM_ST19 74 /* STMicroelectronics ST19 8-bit cpu */ 178 #define EM_VAX 75 /* Digital VAX */ 179 #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */ 180 #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded cpu */ 181 #define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */ 182 #define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */ 183 #define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */ 184 #define EM_HUANY 81 /* Harvard's machine-independent format */ 185 #define EM_PRISM 82 /* SiTera Prism */ 186 #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */ 187 #define EM_FR30 84 /* Fujitsu FR30 */ 188 #define EM_D10V 85 /* Mitsubishi D10V */ 189 #define EM_D30V 86 /* Mitsubishi D30V */ 190 #define EM_V850 87 /* Renesas V850 (formerly NEC V850) */ 191 #define EM_M32R 88 /* Renesas M32R (formerly Mitsubishi M32R) */ 192 #define EM_MN10300 89 /* Matsushita MN10300 */ 193 #define EM_MN10200 90 /* Matsushita MN10200 */ 194 #define EM_PJ 91 /* picoJava */ 195 #define EM_OR1K 92 /* OpenRISC 1000 32-bit embedded processor */ 196 #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */ 197 #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ 198 #define EM_VIDEOCORE 95 /* Alphamosaic VideoCore processor */ 199 #define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Processor */ 200 #define EM_NS32K 97 /* National Semiconductor 32000 series */ 201 #define EM_TPC 98 /* Tenor Network TPC processor */ 202 #define EM_SNP1K 99 /* Trebia SNP 1000 processor */ 203 #define EM_ST200 100 /* STMicroelectronics ST200 microcontroller */ 204 #define EM_IP2K 101 /* Ubicom IP2022 micro controller */ 205 #define EM_MAX 102 /* MAX Processor */ 206 #define EM_CR 103 /* National Semiconductor CompactRISC */ 207 #define EM_F2MC16 104 /* Fujitsu F2MC16 */ 208 #define EM_MSP430 105 /* TI msp430 micro controller */ 209 #define EM_BLACKFIN 106 /* ADI Blackfin */ 210 #define EM_SE_C33 107 /* S1C33 Family of Seiko Epson processors */ 211 #define EM_SEP 108 /* Sharp embedded microprocessor */ 212 #define EM_ARCA 109 /* Arca RISC Microprocessor */ 213 #define EM_UNICORE 110 /* Microprocessor series from PKU-Unity Ltd. and MPRC of Peking University */ 214 #define EM_EXCESS 111 /* eXcess: 16/32/64-bit configurable embedded CPU */ 215 #define EM_DXP 112 /* Icera Semiconductor Inc. Deep Execution Processor */ 216 #define EM_ALTERA_NIOS2 113 /* Altera Nios II soft-core processor */ 217 #define EM_CRX 114 /* National Semiconductor CRX */ 218 #define EM_XGATE 115 /* Motorola XGATE embedded processor */ 219 #define EM_C166 116 /* Infineon C16x/XC16x processor */ 220 #define EM_M16C 117 /* Renesas M16C series microprocessors */ 221 #define EM_DSPIC30F 118 /* Microchip Technology dsPIC30F Digital Signal Controller */ 222 #define EM_CE 119 /* Freescale Communication Engine RISC core */ 223 #define EM_M32C 120 /* Renesas M32C series microprocessors */ 224 #define EM_res121 121 /* Reserved */ 225 #define EM_res122 122 /* Reserved */ 226 #define EM_res123 123 /* Reserved */ 227 #define EM_res124 124 /* Reserved */ 228 #define EM_res125 125 /* Reserved */ 229 #define EM_res126 126 /* Reserved */ 230 #define EM_res127 127 /* Reserved */ 231 #define EM_res128 128 /* Reserved */ 232 #define EM_res129 129 /* Reserved */ 233 #define EM_res130 130 /* Reserved */ 234 #define EM_TSK3000 131 /* Altium TSK3000 core */ 235 #define EM_RS08 132 /* Freescale RS08 embedded processor */ 236 #define EM_res133 133 /* Reserved */ 237 #define EM_ECOG2 134 /* Cyan Technology eCOG2 microprocessor */ 238 #define EM_SCORE 135 /* Sunplus Score */ 239 #define EM_SCORE7 135 /* Sunplus S+core7 RISC processor */ 240 #define EM_DSP24 136 /* New Japan Radio (NJR) 24-bit DSP Processor */ 241 #define EM_VIDEOCORE3 137 /* Broadcom VideoCore III processor */ 242 #define EM_LATTICEMICO32 138 /* RISC processor for Lattice FPGA architecture */ 243 #define EM_SE_C17 139 /* Seiko Epson C17 family */ 244 #define EM_TI_C6000 140 /* Texas Instruments TMS320C6000 DSP family */ 245 #define EM_TI_C2000 141 /* Texas Instruments TMS320C2000 DSP family */ 246 #define EM_TI_C5500 142 /* Texas Instruments TMS320C55x DSP family */ 247 #define EM_res143 143 /* Reserved */ 248 #define EM_res144 144 /* Reserved */ 249 #define EM_res145 145 /* Reserved */ 250 #define EM_res146 146 /* Reserved */ 251 #define EM_res147 147 /* Reserved */ 252 #define EM_res148 148 /* Reserved */ 253 #define EM_res149 149 /* Reserved */ 254 #define EM_res150 150 /* Reserved */ 255 #define EM_res151 151 /* Reserved */ 256 #define EM_res152 152 /* Reserved */ 257 #define EM_res153 153 /* Reserved */ 258 #define EM_res154 154 /* Reserved */ 259 #define EM_res155 155 /* Reserved */ 260 #define EM_res156 156 /* Reserved */ 261 #define EM_res157 157 /* Reserved */ 262 #define EM_res158 158 /* Reserved */ 263 #define EM_res159 159 /* Reserved */ 264 #define EM_MMDSP_PLUS 160 /* STMicroelectronics 64bit VLIW Data Signal Processor */ 265 #define EM_CYPRESS_M8C 161 /* Cypress M8C microprocessor */ 266 #define EM_R32C 162 /* Renesas R32C series microprocessors */ 267 #define EM_TRIMEDIA 163 /* NXP Semiconductors TriMedia architecture family */ 268 #define EM_QDSP6 164 /* QUALCOMM DSP6 Processor */ 269 #define EM_8051 165 /* Intel 8051 and variants */ 270 #define EM_STXP7X 166 /* STMicroelectronics STxP7x family */ 271 #define EM_NDS32 167 /* Andes Technology compact code size embedded RISC processor family */ 272 #define EM_ECOG1 168 /* Cyan Technology eCOG1X family */ 273 #define EM_ECOG1X 168 /* Cyan Technology eCOG1X family */ 274 #define EM_MAXQ30 169 /* Dallas Semiconductor MAXQ30 Core Micro-controllers */ 275 #define EM_XIMO16 170 /* New Japan Radio (NJR) 16-bit DSP Processor */ 276 #define EM_MANIK 171 /* M2000 Reconfigurable RISC Microprocessor */ 277 #define EM_CRAYNV2 172 /* Cray Inc. NV2 vector architecture */ 278 #define EM_RX 173 /* Renesas RX family */ 279 #define EM_METAG 174 /* Imagination Technologies Meta processor architecture */ 280 #define EM_MCST_ELBRUS 175 /* MCST Elbrus general purpose hardware architecture */ 281 #define EM_ECOG16 176 /* Cyan Technology eCOG16 family */ 282 #define EM_CR16 177 /* National Semiconductor CompactRISC 16-bit processor */ 283 #define EM_ETPU 178 /* Freescale Extended Time Processing Unit */ 284 #define EM_SLE9X 179 /* Infineon Technologies SLE9X core */ 285 #define EM_L1OM 180 /* Intel L1OM */ 286 #define EM_K1OM 181 /* Intel K1OM */ 287 #define EM_INTEL182 182 /* Reserved by Intel */ 288 #define EM_AARCH64 183 /* ARM 64-bit architecture */ 289 #define EM_ARM184 184 /* Reserved by ARM */ 290 #define EM_AVR32 185 /* Atmel Corporation 32-bit microprocessor family */ 291 #define EM_STM8 186 /* STMicroeletronics STM8 8-bit microcontroller */ 292 #define EM_TILE64 187 /* Tilera TILE64 multicore architecture family */ 293 #define EM_TILEPRO 188 /* Tilera TILEPro multicore architecture family */ 294 #define EM_MICROBLAZE 189 /* Xilinx MicroBlaze 32-bit RISC soft processor core */ 295 #define EM_CUDA 190 /* NVIDIA CUDA architecture */ 296 #define EM_TILEGX 191 /* Tilera TILE-Gx multicore architecture family */ 297 #define EM_RL78 197 /* Renesas RL78 family. */ 298 #define EM_78K0R 199 /* Renesas 78K0R. */ 299 #define EM_INTEL205 205 /* Reserved by Intel */ 300 #define EM_INTEL206 206 /* Reserved by Intel */ 301 #define EM_INTEL207 207 /* Reserved by Intel */ 302 #define EM_INTEL208 208 /* Reserved by Intel */ 303 #define EM_INTEL209 209 /* Reserved by Intel */ 304 305 /* If it is necessary to assign new unofficial EM_* values, please pick large 306 random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision 307 with official or non-GNU unofficial values. 308 309 NOTE: Do not just increment the most recent number by one. 310 Somebody else somewhere will do exactly the same thing, and you 311 will have a collision. Instead, pick a random number. 312 313 Normally, each entity or maintainer responsible for a machine with an 314 unofficial e_machine number should eventually ask registry (at) sco.com for 315 an officially blessed number to be added to the list above. */ 316 317 /* Old version of Sparc v9, from before the ABI; 318 This should be removed shortly. */ 319 #define EM_OLD_SPARCV9 11 320 321 /* Old version of PowerPC, this should be removed shortly. */ 322 #define EM_PPC_OLD 17 323 324 /* picoJava */ 325 #define EM_PJ_OLD 99 326 327 /* Old, unofficial value for National Semiconductor CompactRISC - CR16 */ 328 #define EM_CR16_OLD 115 329 330 /* AVR magic number. Written in the absense of an ABI. */ 331 #define EM_AVR_OLD 0x1057 332 333 /* MSP430 magic number. Written in the absense of everything. */ 334 #define EM_MSP430_OLD 0x1059 335 336 /* Morpho MT. Written in the absense of an ABI. */ 337 #define EM_MT 0x2530 338 339 /* FR30 magic number - no EABI available. */ 340 #define EM_CYGNUS_FR30 0x3330 341 342 /* DLX magic number. Written in the absense of an ABI. */ 343 #define EM_DLX 0x5aa5 344 345 /* FRV magic number - no EABI available??. */ 346 #define EM_CYGNUS_FRV 0x5441 347 348 /* Infineon Technologies 16-bit microcontroller with C166-V2 core. */ 349 #define EM_XC16X 0x4688 350 351 /* D10V backend magic number. Written in the absence of an ABI. */ 352 #define EM_CYGNUS_D10V 0x7650 353 354 /* D30V backend magic number. Written in the absence of an ABI. */ 355 #define EM_CYGNUS_D30V 0x7676 356 357 /* Ubicom IP2xxx; Written in the absense of an ABI. */ 358 #define EM_IP2K_OLD 0x8217 359 360 /* Cygnus PowerPC ELF backend. Written in the absence of an ABI. */ 361 #define EM_CYGNUS_POWERPC 0x9025 362 363 /* Alpha backend magic number. Written in the absence of an ABI. */ 364 #define EM_ALPHA 0x9026 365 366 /* Cygnus M32R ELF backend. Written in the absence of an ABI. */ 367 #define EM_CYGNUS_M32R 0x9041 368 369 /* V850 backend magic number. Written in the absense of an ABI. */ 370 #define EM_CYGNUS_V850 0x9080 371 372 /* old S/390 backend magic number. Written in the absence of an ABI. */ 373 #define EM_S390_OLD 0xa390 374 375 /* Old, unofficial value for Xtensa. */ 376 #define EM_XTENSA_OLD 0xabc7 377 378 #define EM_XSTORMY16 0xad45 379 380 /* mn10200 and mn10300 backend magic numbers. 381 Written in the absense of an ABI. */ 382 #define EM_CYGNUS_MN10300 0xbeef 383 #define EM_CYGNUS_MN10200 0xdead 384 385 /* Renesas M32C and M16C. */ 386 #define EM_M32C_OLD 0xFEB0 387 388 /* Vitesse IQ2000. */ 389 #define EM_IQ2000 0xFEBA 390 391 /* NIOS magic number - no EABI available. */ 392 #define EM_NIOS32 0xFEBB 393 394 #define EM_CYGNUS_MEP 0xF00D /* Toshiba MeP */ 395 396 #define EM_MOXIE 0xFEED /* Moxie */ 397 398 /* Old Sunplus S+core7 backend magic number. Written in the absence of an ABI. */ 399 #define EM_SCORE_OLD 95 400 401 #define EM_MICROBLAZE_OLD 0xbaab /* Old MicroBlaze */ 402 403 #define EM_ADAPTEVA_EPIPHANY 0x1223 /* Adapteva's Epiphany architecture. */ 404 405 /* Old constant that might be in use by some software. */ 406 #define EM_OPENRISC EM_OR1K 407 408 /* See the above comment before you add a new EM_* value here. */ 409 410 /* Values for e_version. */ 411 412 #define EV_NONE 0 /* Invalid ELF version */ 413 #define EV_CURRENT 1 /* Current version */ 414 415 /* Value for e_phnum. */ 416 #define PN_XNUM 0xffff /* Extended numbering */ 417 418 /* Values for program header, p_type field. */ 419 420 #define PT_NULL 0 /* Program header table entry unused */ 421 #define PT_LOAD 1 /* Loadable program segment */ 422 #define PT_DYNAMIC 2 /* Dynamic linking information */ 423 #define PT_INTERP 3 /* Program interpreter */ 424 #define PT_NOTE 4 /* Auxiliary information */ 425 #define PT_SHLIB 5 /* Reserved, unspecified semantics */ 426 #define PT_PHDR 6 /* Entry for header table itself */ 427 #define PT_TLS 7 /* Thread local storage segment */ 428 #define PT_LOOS 0x60000000 /* OS-specific */ 429 #define PT_HIOS 0x6fffffff /* OS-specific */ 430 #define PT_LOPROC 0x70000000 /* Processor-specific */ 431 #define PT_HIPROC 0x7FFFFFFF /* Processor-specific */ 432 433 #define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550) /* Frame unwind information */ 434 #define PT_SUNW_EH_FRAME PT_GNU_EH_FRAME /* Solaris uses the same value */ 435 #define PT_GNU_STACK (PT_LOOS + 0x474e551) /* Stack flags */ 436 #define PT_GNU_RELRO (PT_LOOS + 0x474e552) /* Read-only after relocation */ 437 438 /* Program segment permissions, in program header p_flags field. */ 439 440 #define PF_X (1 << 0) /* Segment is executable */ 441 #define PF_W (1 << 1) /* Segment is writable */ 442 #define PF_R (1 << 2) /* Segment is readable */ 443 /* #define PF_MASKOS 0x0F000000 *//* OS-specific reserved bits */ 444 #define PF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */ 445 #define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */ 446 447 /* Values for section header, sh_type field. */ 448 449 #define SHT_NULL 0 /* Section header table entry unused */ 450 #define SHT_PROGBITS 1 /* Program specific (private) data */ 451 #define SHT_SYMTAB 2 /* Link editing symbol table */ 452 #define SHT_STRTAB 3 /* A string table */ 453 #define SHT_RELA 4 /* Relocation entries with addends */ 454 #define SHT_HASH 5 /* A symbol hash table */ 455 #define SHT_DYNAMIC 6 /* Information for dynamic linking */ 456 #define SHT_NOTE 7 /* Information that marks file */ 457 #define SHT_NOBITS 8 /* Section occupies no space in file */ 458 #define SHT_REL 9 /* Relocation entries, no addends */ 459 #define SHT_SHLIB 10 /* Reserved, unspecified semantics */ 460 #define SHT_DYNSYM 11 /* Dynamic linking symbol table */ 461 462 #define SHT_INIT_ARRAY 14 /* Array of ptrs to init functions */ 463 #define SHT_FINI_ARRAY 15 /* Array of ptrs to finish functions */ 464 #define SHT_PREINIT_ARRAY 16 /* Array of ptrs to pre-init funcs */ 465 #define SHT_GROUP 17 /* Section contains a section group */ 466 #define SHT_SYMTAB_SHNDX 18 /* Indicies for SHN_XINDEX entries */ 467 468 #define SHT_LOOS 0x60000000 /* First of OS specific semantics */ 469 #define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */ 470 471 #define SHT_GNU_INCREMENTAL_INPUTS 0x6fff4700 /* incremental build data */ 472 #define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes */ 473 #define SHT_GNU_HASH 0x6ffffff6 /* GNU style symbol hash table */ 474 #define SHT_GNU_LIBLIST 0x6ffffff7 /* List of prelink dependencies */ 475 476 /* The next three section types are defined by Solaris, and are named 477 SHT_SUNW*. We use them in GNU code, so we also define SHT_GNU* 478 versions. */ 479 #define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */ 480 #define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */ 481 #define SHT_SUNW_versym 0x6fffffff /* Symbol versions */ 482 483 #define SHT_GNU_verdef SHT_SUNW_verdef 484 #define SHT_GNU_verneed SHT_SUNW_verneed 485 #define SHT_GNU_versym SHT_SUNW_versym 486 487 #define SHT_LOPROC 0x70000000 /* Processor-specific semantics, lo */ 488 #define SHT_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */ 489 #define SHT_LOUSER 0x80000000 /* Application-specific semantics */ 490 /* #define SHT_HIUSER 0x8FFFFFFF *//* Application-specific semantics */ 491 #define SHT_HIUSER 0xFFFFFFFF /* New value, defined in Oct 4, 1999 Draft */ 492 493 /* Values for section header, sh_flags field. */ 494 495 #define SHF_WRITE (1 << 0) /* Writable data during execution */ 496 #define SHF_ALLOC (1 << 1) /* Occupies memory during execution */ 497 #define SHF_EXECINSTR (1 << 2) /* Executable machine instructions */ 498 #define SHF_MERGE (1 << 4) /* Data in this section can be merged */ 499 #define SHF_STRINGS (1 << 5) /* Contains null terminated character strings */ 500 #define SHF_INFO_LINK (1 << 6) /* sh_info holds section header table index */ 501 #define SHF_LINK_ORDER (1 << 7) /* Preserve section ordering when linking */ 502 #define SHF_OS_NONCONFORMING (1 << 8) /* OS specific processing required */ 503 #define SHF_GROUP (1 << 9) /* Member of a section group */ 504 #define SHF_TLS (1 << 10) /* Thread local storage section */ 505 506 /* #define SHF_MASKOS 0x0F000000 *//* OS-specific semantics */ 507 #define SHF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */ 508 #define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */ 509 510 /* This used to be implemented as a processor specific section flag. 511 We just make it generic. */ 512 #define SHF_EXCLUDE 0x80000000 /* Link editor is to exclude 513 this section from executable 514 and shared library that it 515 builds when those objects 516 are not to be further 517 relocated. */ 518 519 /* Values of note segment descriptor types for core files. */ 520 521 #define NT_PRSTATUS 1 /* Contains copy of prstatus struct */ 522 #define NT_FPREGSET 2 /* Contains copy of fpregset struct */ 523 #define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */ 524 #define NT_TASKSTRUCT 4 /* Contains copy of task struct */ 525 #define NT_AUXV 6 /* Contains copy of Elfxx_auxv_t */ 526 #define NT_PRXFPREG 0x46e62b7f /* Contains a user_xfpregs_struct; */ 527 /* note name must be "LINUX". */ 528 #define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */ 529 /* note name must be "LINUX". */ 530 #define NT_PPC_VSX 0x102 /* PowerPC VSX registers */ 531 /* note name must be "LINUX". */ 532 #define NT_386_TLS 0x200 /* x86 TLS information */ 533 /* note name must be "LINUX". */ 534 #define NT_386_IOPERM 0x201 /* x86 io permissions */ 535 /* note name must be "LINUX". */ 536 #define NT_X86_XSTATE 0x202 /* x86 XSAVE extended state */ 537 /* note name must be "LINUX". */ 538 #define NT_S390_HIGH_GPRS 0x300 /* S/390 upper halves of GPRs */ 539 /* note name must be "LINUX". */ 540 #define NT_S390_TIMER 0x301 /* S390 timer */ 541 /* note name must be "LINUX". */ 542 #define NT_S390_TODCMP 0x302 /* S390 TOD clock comparator */ 543 /* note name must be "LINUX". */ 544 #define NT_S390_TODPREG 0x303 /* S390 TOD programmable register */ 545 /* note name must be "LINUX". */ 546 #define NT_S390_CTRS 0x304 /* S390 control registers */ 547 /* note name must be "LINUX". */ 548 #define NT_S390_PREFIX 0x305 /* S390 prefix register */ 549 /* note name must be "LINUX". */ 550 #define NT_S390_LAST_BREAK 0x306 /* S390 breaking event address */ 551 /* note name must be "LINUX". */ 552 #define NT_S390_SYSTEM_CALL 0x307 /* S390 system call restart data */ 553 /* note name must be "LINUX". */ 554 #define NT_S390_TDB 0x308 /* S390 transaction diagnostic block */ 555 /* note name must be "LINUX". */ 556 #define NT_ARM_VFP 0x400 /* ARM VFP registers */ 557 /* The following definitions should really use NT_AARCH_..., but defined 558 this way for compatibility with Linux. */ 559 #define NT_ARM_TLS 0x401 /* AArch TLS registers */ 560 /* note name must be "LINUX". */ 561 #define NT_ARM_HW_BREAK 0x402 /* AArch hardware breakpoint registers */ 562 /* note name must be "LINUX". */ 563 #define NT_ARM_HW_WATCH 0x403 /* AArch hardware watchpoint registers */ 564 /* note name must be "LINUX". */ 565 #define NT_SIGINFO 0x53494749 /* Fields of siginfo_t. */ 566 #define NT_FILE 0x46494c45 /* Description of mapped files. */ 567 568 /* Note segments for core files on dir-style procfs systems. */ 569 570 #define NT_PSTATUS 10 /* Has a struct pstatus */ 571 #define NT_FPREGS 12 /* Has a struct fpregset */ 572 #define NT_PSINFO 13 /* Has a struct psinfo */ 573 #define NT_LWPSTATUS 16 /* Has a struct lwpstatus_t */ 574 #define NT_LWPSINFO 17 /* Has a struct lwpsinfo_t */ 575 #define NT_WIN32PSTATUS 18 /* Has a struct win32_pstatus */ 576 577 /* Note segment for SystemTap probes. */ 578 #define NT_STAPSDT 3 579 580 /* Note segments for core files on NetBSD systems. Note name 581 must start with "NetBSD-CORE". */ 582 583 #define NT_NETBSDCORE_PROCINFO 1 /* Has a struct procinfo */ 584 #define NT_NETBSDCORE_FIRSTMACH 32 /* start of machdep note types */ 585 586 587 /* Note segments for core files on OpenBSD systems. Note name is 588 "OpenBSD". */ 589 590 #define NT_OPENBSD_PROCINFO 10 591 #define NT_OPENBSD_AUXV 11 592 #define NT_OPENBSD_REGS 20 593 #define NT_OPENBSD_FPREGS 21 594 #define NT_OPENBSD_XFPREGS 22 595 #define NT_OPENBSD_WCOOKIE 23 596 597 598 /* Note segments for core files on SPU systems. Note name 599 must start with "SPU/". */ 600 601 #define NT_SPU 1 602 603 /* Values of note segment descriptor types for object files. */ 604 605 #define NT_VERSION 1 /* Contains a version string. */ 606 #define NT_ARCH 2 /* Contains an architecture string. */ 607 608 /* Values for notes in non-core files using name "GNU". */ 609 610 #define NT_GNU_ABI_TAG 1 611 #define NT_GNU_HWCAP 2 /* Used by ld.so and kernel vDSO. */ 612 #define NT_GNU_BUILD_ID 3 /* Generated by ld --build-id. */ 613 #define NT_GNU_GOLD_VERSION 4 /* Generated by gold. */ 614 615 /* Values used in GNU .note.ABI-tag notes (NT_GNU_ABI_TAG). */ 616 #define GNU_ABI_TAG_LINUX 0 617 #define GNU_ABI_TAG_HURD 1 618 #define GNU_ABI_TAG_SOLARIS 2 619 #define GNU_ABI_TAG_FREEBSD 3 620 #define GNU_ABI_TAG_NETBSD 4 621 622 /* Values for NetBSD .note.netbsd.ident notes. Note name is "NetBSD". */ 623 624 #define NT_NETBSD_IDENT 1 625 626 /* Values for OpenBSD .note.openbsd.ident notes. Note name is "OpenBSD". */ 627 628 #define NT_OPENBSD_IDENT 1 629 630 /* Values for FreeBSD .note.ABI-tag notes. Note name is "FreeBSD". */ 631 632 #define NT_FREEBSD_ABI_TAG 1 633 634 /* These three macros disassemble and assemble a symbol table st_info field, 635 which contains the symbol binding and symbol type. The STB_ and STT_ 636 defines identify the binding and type. */ 637 638 #define ELF_ST_BIND(val) (((unsigned int)(val)) >> 4) 639 #define ELF_ST_TYPE(val) ((val) & 0xF) 640 #define ELF_ST_INFO(bind,type) (((bind) << 4) + ((type) & 0xF)) 641 642 /* The 64bit and 32bit versions of these macros are identical, but 643 the ELF spec defines them, so here they are. */ 644 #define ELF32_ST_BIND ELF_ST_BIND 645 #define ELF32_ST_TYPE ELF_ST_TYPE 646 #define ELF32_ST_INFO ELF_ST_INFO 647 #define ELF64_ST_BIND ELF_ST_BIND 648 #define ELF64_ST_TYPE ELF_ST_TYPE 649 #define ELF64_ST_INFO ELF_ST_INFO 650 651 /* This macro disassembles and assembles a symbol's visibility into 652 the st_other field. The STV_ defines specify the actual visibility. */ 653 654 #define ELF_ST_VISIBILITY(v) ((v) & 0x3) 655 /* The remaining bits in the st_other field are not currently used. 656 They should be set to zero. */ 657 658 #define ELF32_ST_VISIBILITY ELF_ST_VISIBILITY 659 #define ELF64_ST_VISIBILITY ELF_ST_VISIBILITY 660 661 662 #define STN_UNDEF 0 /* Undefined symbol index */ 663 664 #define STB_LOCAL 0 /* Symbol not visible outside obj */ 665 #define STB_GLOBAL 1 /* Symbol visible outside obj */ 666 #define STB_WEAK 2 /* Like globals, lower precedence */ 667 #define STB_LOOS 10 /* OS-specific semantics */ 668 #define STB_GNU_UNIQUE 10 /* Symbol is unique in namespace */ 669 #define STB_HIOS 12 /* OS-specific semantics */ 670 #define STB_LOPROC 13 /* Processor-specific semantics */ 671 #define STB_HIPROC 15 /* Processor-specific semantics */ 672 673 #define STT_NOTYPE 0 /* Symbol type is unspecified */ 674 #define STT_OBJECT 1 /* Symbol is a data object */ 675 #define STT_FUNC 2 /* Symbol is a code object */ 676 #define STT_SECTION 3 /* Symbol associated with a section */ 677 #define STT_FILE 4 /* Symbol gives a file name */ 678 #define STT_COMMON 5 /* An uninitialised common block */ 679 #define STT_TLS 6 /* Thread local data object */ 680 #define STT_RELC 8 /* Complex relocation expression */ 681 #define STT_SRELC 9 /* Signed Complex relocation expression */ 682 #define STT_LOOS 10 /* OS-specific semantics */ 683 #define STT_GNU_IFUNC 10 /* Symbol is an indirect code object */ 684 #define STT_HIOS 12 /* OS-specific semantics */ 685 #define STT_LOPROC 13 /* Processor-specific semantics */ 686 #define STT_HIPROC 15 /* Processor-specific semantics */ 687 688 /* The following constants control how a symbol may be accessed once it has 689 become part of an executable or shared library. */ 690 691 #define STV_DEFAULT 0 /* Visibility is specified by binding type */ 692 #define STV_INTERNAL 1 /* OS specific version of STV_HIDDEN */ 693 #define STV_HIDDEN 2 /* Can only be seen inside currect component */ 694 #define STV_PROTECTED 3 /* Treat as STB_LOCAL inside current component */ 695 696 /* Relocation info handling macros. */ 697 698 #define ELF32_R_SYM(i) ((i) >> 8) 699 #define ELF32_R_TYPE(i) ((i) & 0xff) 700 #define ELF32_R_INFO(s,t) (((s) << 8) + ((t) & 0xff)) 701 702 #define ELF64_R_SYM(i) ((i) >> 32) 703 #define ELF64_R_TYPE(i) ((i) & 0xffffffff) 704 #define ELF64_R_INFO(s,t) (((bfd_vma) (s) << 31 << 1) + (bfd_vma) (t)) 705 706 /* Dynamic section tags. */ 707 708 #define DT_NULL 0 709 #define DT_NEEDED 1 710 #define DT_PLTRELSZ 2 711 #define DT_PLTGOT 3 712 #define DT_HASH 4 713 #define DT_STRTAB 5 714 #define DT_SYMTAB 6 715 #define DT_RELA 7 716 #define DT_RELASZ 8 717 #define DT_RELAENT 9 718 #define DT_STRSZ 10 719 #define DT_SYMENT 11 720 #define DT_INIT 12 721 #define DT_FINI 13 722 #define DT_SONAME 14 723 #define DT_RPATH 15 724 #define DT_SYMBOLIC 16 725 #define DT_REL 17 726 #define DT_RELSZ 18 727 #define DT_RELENT 19 728 #define DT_PLTREL 20 729 #define DT_DEBUG 21 730 #define DT_TEXTREL 22 731 #define DT_JMPREL 23 732 #define DT_BIND_NOW 24 733 #define DT_INIT_ARRAY 25 734 #define DT_FINI_ARRAY 26 735 #define DT_INIT_ARRAYSZ 27 736 #define DT_FINI_ARRAYSZ 28 737 #define DT_RUNPATH 29 738 #define DT_FLAGS 30 739 #define DT_ENCODING 32 740 #define DT_PREINIT_ARRAY 32 741 #define DT_PREINIT_ARRAYSZ 33 742 743 /* Note, the Oct 4, 1999 draft of the ELF ABI changed the values 744 for DT_LOOS and DT_HIOS. Some implementations however, use 745 values outside of the new range (see below). */ 746 #define OLD_DT_LOOS 0x60000000 747 #define DT_LOOS 0x6000000d 748 #define DT_HIOS 0x6ffff000 749 #define OLD_DT_HIOS 0x6fffffff 750 751 #define DT_LOPROC 0x70000000 752 #define DT_HIPROC 0x7fffffff 753 754 /* The next 2 dynamic tag ranges, integer value range (DT_VALRNGLO to 755 DT_VALRNGHI) and virtual address range (DT_ADDRRNGLO to DT_ADDRRNGHI), 756 are used on Solaris. We support them everywhere. Note these values 757 lie outside of the (new) range for OS specific values. This is a 758 deliberate special case and we maintain it for backwards compatability. 759 */ 760 #define DT_VALRNGLO 0x6ffffd00 761 #define DT_GNU_PRELINKED 0x6ffffdf5 762 #define DT_GNU_CONFLICTSZ 0x6ffffdf6 763 #define DT_GNU_LIBLISTSZ 0x6ffffdf7 764 #define DT_CHECKSUM 0x6ffffdf8 765 #define DT_PLTPADSZ 0x6ffffdf9 766 #define DT_MOVEENT 0x6ffffdfa 767 #define DT_MOVESZ 0x6ffffdfb 768 #define DT_FEATURE 0x6ffffdfc 769 #define DT_POSFLAG_1 0x6ffffdfd 770 #define DT_SYMINSZ 0x6ffffdfe 771 #define DT_SYMINENT 0x6ffffdff 772 #define DT_VALRNGHI 0x6ffffdff 773 774 #define DT_ADDRRNGLO 0x6ffffe00 775 #define DT_GNU_HASH 0x6ffffef5 776 #define DT_TLSDESC_PLT 0x6ffffef6 777 #define DT_TLSDESC_GOT 0x6ffffef7 778 #define DT_GNU_CONFLICT 0x6ffffef8 779 #define DT_GNU_LIBLIST 0x6ffffef9 780 #define DT_CONFIG 0x6ffffefa 781 #define DT_DEPAUDIT 0x6ffffefb 782 #define DT_AUDIT 0x6ffffefc 783 #define DT_PLTPAD 0x6ffffefd 784 #define DT_MOVETAB 0x6ffffefe 785 #define DT_SYMINFO 0x6ffffeff 786 #define DT_ADDRRNGHI 0x6ffffeff 787 788 #define DT_RELACOUNT 0x6ffffff9 789 #define DT_RELCOUNT 0x6ffffffa 790 #define DT_FLAGS_1 0x6ffffffb 791 #define DT_VERDEF 0x6ffffffc 792 #define DT_VERDEFNUM 0x6ffffffd 793 #define DT_VERNEED 0x6ffffffe 794 #define DT_VERNEEDNUM 0x6fffffff 795 796 /* This tag is a GNU extension to the Solaris version scheme. */ 797 #define DT_VERSYM 0x6ffffff0 798 799 #define DT_LOPROC 0x70000000 800 #define DT_HIPROC 0x7fffffff 801 802 /* These section tags are used on Solaris. We support them 803 everywhere, and hope they do not conflict. */ 804 805 #define DT_AUXILIARY 0x7ffffffd 806 #define DT_USED 0x7ffffffe 807 #define DT_FILTER 0x7fffffff 808 809 810 /* Values used in DT_FEATURE .dynamic entry. */ 811 #define DTF_1_PARINIT 0x00000001 812 /* From 813 814 http://docs.sun.com:80/ab2/coll.45.13/LLM/@Ab2PageView/21165?Ab2Lang=C&Ab2Enc=iso-8859-1 815 816 DTF_1_CONFEXP is the same as DTF_1_PARINIT. It is a typo. The value 817 defined here is the same as the one in <sys/link.h> on Solaris 8. */ 818 #define DTF_1_CONFEXP 0x00000002 819 820 /* Flag values used in the DT_POSFLAG_1 .dynamic entry. */ 821 #define DF_P1_LAZYLOAD 0x00000001 822 #define DF_P1_GROUPPERM 0x00000002 823 824 /* Flag value in in the DT_FLAGS_1 .dynamic entry. */ 825 #define DF_1_NOW 0x00000001 826 #define DF_1_GLOBAL 0x00000002 827 #define DF_1_GROUP 0x00000004 828 #define DF_1_NODELETE 0x00000008 829 #define DF_1_LOADFLTR 0x00000010 830 #define DF_1_INITFIRST 0x00000020 831 #define DF_1_NOOPEN 0x00000040 832 #define DF_1_ORIGIN 0x00000080 833 #define DF_1_DIRECT 0x00000100 834 #define DF_1_TRANS 0x00000200 835 #define DF_1_INTERPOSE 0x00000400 836 #define DF_1_NODEFLIB 0x00000800 837 #define DF_1_NODUMP 0x00001000 838 #define DF_1_CONFALT 0x00002000 839 #define DF_1_ENDFILTEE 0x00004000 840 #define DF_1_DISPRELDNE 0x00008000 841 #define DF_1_DISPRELPND 0x00010000 842 #define DF_1_NODIRECT 0x00020000 843 #define DF_1_IGNMULDEF 0x00040000 844 #define DF_1_NOKSYMS 0x00080000 845 #define DF_1_NOHDR 0x00100000 846 #define DF_1_EDITED 0x00200000 847 #define DF_1_NORELOC 0x00400000 848 #define DF_1_SYMINTPOSE 0x00800000 849 #define DF_1_GLOBAUDIT 0x01000000 850 #define DF_1_SINGLETON 0x02000000 851 852 /* Flag values for the DT_FLAGS entry. */ 853 #define DF_ORIGIN (1 << 0) 854 #define DF_SYMBOLIC (1 << 1) 855 #define DF_TEXTREL (1 << 2) 856 #define DF_BIND_NOW (1 << 3) 857 #define DF_STATIC_TLS (1 << 4) 858 859 /* These constants are used for the version number of a Elf32_Verdef 860 structure. */ 861 862 #define VER_DEF_NONE 0 863 #define VER_DEF_CURRENT 1 864 865 /* These constants appear in the vd_flags field of a Elf32_Verdef 866 structure. 867 868 Cf. the Solaris Linker and Libraries Guide, Ch. 7, Object File Format, 869 Versioning Sections, for a description: 870 871 http://docs.sun.com/app/docs/doc/819-0690/chapter6-93046?l=en&a=view */ 872 873 #define VER_FLG_BASE 0x1 874 #define VER_FLG_WEAK 0x2 875 #define VER_FLG_INFO 0x4 876 877 /* These special constants can be found in an Elf32_Versym field. */ 878 879 #define VER_NDX_LOCAL 0 880 #define VER_NDX_GLOBAL 1 881 882 /* These constants are used for the version number of a Elf32_Verneed 883 structure. */ 884 885 #define VER_NEED_NONE 0 886 #define VER_NEED_CURRENT 1 887 888 /* This flag appears in a Versym structure. It means that the symbol 889 is hidden, and is only visible with an explicit version number. 890 This is a GNU extension. */ 891 892 #define VERSYM_HIDDEN 0x8000 893 894 /* This is the mask for the rest of the Versym information. */ 895 896 #define VERSYM_VERSION 0x7fff 897 898 /* This is a special token which appears as part of a symbol name. It 899 indictes that the rest of the name is actually the name of a 900 version node, and is not part of the actual name. This is a GNU 901 extension. For example, the symbol name `stat@ver2' is taken to 902 mean the symbol `stat' in version `ver2'. */ 903 904 #define ELF_VER_CHR '@' 905 906 /* Possible values for si_boundto. */ 907 908 #define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */ 909 #define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */ 910 #define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */ 911 912 /* Possible bitmasks for si_flags. */ 913 914 #define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */ 915 #define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */ 916 #define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */ 917 #define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy loaded */ 918 919 /* Syminfo version values. */ 920 921 #define SYMINFO_NONE 0 922 #define SYMINFO_CURRENT 1 923 #define SYMINFO_NUM 2 924 925 /* Section Group Flags. */ 926 927 #define GRP_COMDAT 0x1 /* A COMDAT group */ 928 929 /* Auxv a_type values. */ 930 931 #define AT_NULL 0 /* End of vector */ 932 #define AT_IGNORE 1 /* Entry should be ignored */ 933 #define AT_EXECFD 2 /* File descriptor of program */ 934 #define AT_PHDR 3 /* Program headers for program */ 935 #define AT_PHENT 4 /* Size of program header entry */ 936 #define AT_PHNUM 5 /* Number of program headers */ 937 #define AT_PAGESZ 6 /* System page size */ 938 #define AT_BASE 7 /* Base address of interpreter */ 939 #define AT_FLAGS 8 /* Flags */ 940 #define AT_ENTRY 9 /* Entry point of program */ 941 #define AT_NOTELF 10 /* Program is not ELF */ 942 #define AT_UID 11 /* Real uid */ 943 #define AT_EUID 12 /* Effective uid */ 944 #define AT_GID 13 /* Real gid */ 945 #define AT_EGID 14 /* Effective gid */ 946 #define AT_CLKTCK 17 /* Frequency of times() */ 947 #define AT_PLATFORM 15 /* String identifying platform. */ 948 #define AT_HWCAP 16 /* Machine dependent hints about 949 processor capabilities. */ 950 #define AT_FPUCW 18 /* Used FPU control word. */ 951 #define AT_DCACHEBSIZE 19 /* Data cache block size. */ 952 #define AT_ICACHEBSIZE 20 /* Instruction cache block size. */ 953 #define AT_UCACHEBSIZE 21 /* Unified cache block size. */ 954 #define AT_IGNOREPPC 22 /* Entry should be ignored */ 955 #define AT_SECURE 23 /* Boolean, was exec setuid-like? */ 956 #define AT_BASE_PLATFORM 24 /* String identifying real platform, 957 may differ from AT_PLATFORM. */ 958 #define AT_RANDOM 25 /* Address of 16 random bytes. */ 959 #define AT_HWCAP2 26 /* Extension of AT_HWCAP. */ 960 #define AT_EXECFN 31 /* Filename of executable. */ 961 /* Pointer to the global system page used for system calls and other 962 nice things. */ 963 #define AT_SYSINFO 32 964 #define AT_SYSINFO_EHDR 33 /* Pointer to ELF header of system-supplied DSO. */ 965 966 /* More complete cache descriptions than AT_[DIU]CACHEBSIZE. If the 967 value is -1, then the cache doesn't exist. Otherwise: 968 969 bit 0-3: Cache set-associativity; 0 means fully associative. 970 bit 4-7: Log2 of cacheline size. 971 bit 8-31: Size of the entire cache >> 8. */ 972 973 #define AT_L1I_CACHESHAPE 34 974 #define AT_L1D_CACHESHAPE 35 975 #define AT_L2_CACHESHAPE 36 976 #define AT_L3_CACHESHAPE 37 977 978 #define AT_SUN_UID 2000 /* Effective user ID. */ 979 #define AT_SUN_RUID 2001 /* Real user ID. */ 980 #define AT_SUN_GID 2002 /* Effective group ID. */ 981 #define AT_SUN_RGID 2003 /* Real group ID. */ 982 #define AT_SUN_LDELF 2004 /* Dynamic linker's ELF header. */ 983 #define AT_SUN_LDSHDR 2005 /* Dynamic linker's section headers. */ 984 #define AT_SUN_LDNAME 2006 /* String giving name of dynamic linker. */ 985 #define AT_SUN_LPAGESZ 2007 /* Large pagesize. */ 986 #define AT_SUN_PLATFORM 2008 /* Platform name string. */ 987 #define AT_SUN_HWCAP 2009 /* Machine dependent hints about 988 processor capabilities. */ 989 #define AT_SUN_IFLUSH 2010 /* Should flush icache? */ 990 #define AT_SUN_CPU 2011 /* CPU name string. */ 991 #define AT_SUN_EMUL_ENTRY 2012 /* COFF entry point address. */ 992 #define AT_SUN_EMUL_EXECFD 2013 /* COFF executable file descriptor. */ 993 #define AT_SUN_EXECNAME 2014 /* Canonicalized file name given to execve. */ 994 #define AT_SUN_MMU 2015 /* String for name of MMU module. */ 995 #define AT_SUN_LDDATA 2016 /* Dynamic linker's data segment address. */ 996 #define AT_SUN_AUXFLAGS 2017 /* AF_SUN_ flags passed from the kernel. */ 997 998 999 #endif /* _ELF_COMMON_H */ 1000
