1 /* $NetBSD: exec_elf.h,v 1.177 2025/05/27 14:03:08 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1994 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _SYS_EXEC_ELF_H_ 33 #define _SYS_EXEC_ELF_H_ 34 35 /* 36 * The current ELF ABI specification is available at: 37 * http://www.sco.com/developers/gabi/ 38 * 39 * Current header definitions are in: 40 * http://www.sco.com/developers/gabi/latest/ch4.eheader.html 41 */ 42 43 #if defined(_KERNEL) || defined(_STANDALONE) 44 #include <sys/types.h> 45 #else 46 #include <inttypes.h> 47 #include <stddef.h> 48 #endif /* _KERNEL || _STANDALONE */ 49 50 #if HAVE_NBTOOL_CONFIG_H 51 #include <nbinclude/machine/elf_machdep.h> 52 #else 53 #include <machine/elf_machdep.h> 54 #endif 55 56 typedef uint8_t Elf_Byte; 57 58 typedef uint32_t Elf32_Addr; 59 #define ELF32_FSZ_ADDR 4 60 typedef uint32_t Elf32_Off; 61 typedef int32_t Elf32_SOff; 62 #define ELF32_FSZ_OFF 4 63 typedef int32_t Elf32_Sword; 64 #define ELF32_FSZ_SWORD 4 65 typedef uint32_t Elf32_Word; 66 #define ELF32_FSZ_WORD 4 67 typedef uint16_t Elf32_Half; 68 #define ELF32_FSZ_HALF 2 69 typedef uint64_t Elf32_Lword; 70 #define ELF32_FSZ_LWORD 8 71 72 typedef uint64_t Elf64_Addr; 73 #define ELF64_FSZ_ADDR 8 74 typedef uint64_t Elf64_Off; 75 typedef int64_t Elf64_SOff; 76 #define ELF64_FSZ_OFF 8 77 78 typedef int32_t Elf64_Sword; 79 #define ELF64_FSZ_SWORD 4 80 typedef uint32_t Elf64_Word; 81 #define ELF64_FSZ_WORD 4 82 83 typedef int64_t Elf64_Sxword; 84 #define ELF64_FSZ_SXWORD 8 85 typedef uint64_t Elf64_Xword; 86 #define ELF64_FSZ_XWORD 8 87 typedef uint64_t Elf64_Lword; 88 #define ELF64_FSZ_LWORD 8 89 typedef uint16_t Elf64_Half; 90 #define ELF64_FSZ_HALF 2 91 92 /* 93 * ELF Header 94 */ 95 #define ELF_NIDENT 16 96 97 typedef struct { 98 unsigned char e_ident[ELF_NIDENT]; /* Id bytes */ 99 Elf32_Half e_type; /* file type */ 100 Elf32_Half e_machine; /* machine type */ 101 Elf32_Word e_version; /* version number */ 102 Elf32_Addr e_entry; /* entry point */ 103 Elf32_Off e_phoff; /* Program hdr offset */ 104 Elf32_Off e_shoff; /* Section hdr offset */ 105 Elf32_Word e_flags; /* Processor flags */ 106 Elf32_Half e_ehsize; /* sizeof ehdr */ 107 Elf32_Half e_phentsize; /* Program header entry size */ 108 Elf32_Half e_phnum; /* Number of program headers */ 109 Elf32_Half e_shentsize; /* Section header entry size */ 110 Elf32_Half e_shnum; /* Number of section headers */ 111 Elf32_Half e_shstrndx; /* String table index */ 112 } Elf32_Ehdr; 113 114 typedef struct { 115 unsigned char e_ident[ELF_NIDENT]; /* Id bytes */ 116 Elf64_Half e_type; /* file type */ 117 Elf64_Half e_machine; /* machine type */ 118 Elf64_Word e_version; /* version number */ 119 Elf64_Addr e_entry; /* entry point */ 120 Elf64_Off e_phoff; /* Program hdr offset */ 121 Elf64_Off e_shoff; /* Section hdr offset */ 122 Elf64_Word e_flags; /* Processor flags */ 123 Elf64_Half e_ehsize; /* sizeof ehdr */ 124 Elf64_Half e_phentsize; /* Program header entry size */ 125 Elf64_Half e_phnum; /* Number of program headers */ 126 Elf64_Half e_shentsize; /* Section header entry size */ 127 Elf64_Half e_shnum; /* Number of section headers */ 128 Elf64_Half e_shstrndx; /* String table index */ 129 } Elf64_Ehdr; 130 131 /* e_ident offsets */ 132 #define EI_MAG0 0 /* '\177' */ 133 #define EI_MAG1 1 /* 'E' */ 134 #define EI_MAG2 2 /* 'L' */ 135 #define EI_MAG3 3 /* 'F' */ 136 #define EI_CLASS 4 /* File class */ 137 #define EI_DATA 5 /* Data encoding */ 138 #define EI_VERSION 6 /* File version */ 139 #define EI_OSABI 7 /* Operating system/ABI identification */ 140 #define EI_ABIVERSION 8 /* ABI version */ 141 #define EI_PAD 9 /* Start of padding bytes up to EI_NIDENT*/ 142 #define EI_NIDENT 16 /* First non-ident header byte */ 143 144 /* e_ident[EI_MAG0,EI_MAG3] */ 145 #define ELFMAG0 0x7f 146 #define ELFMAG1 'E' 147 #define ELFMAG2 'L' 148 #define ELFMAG3 'F' 149 #define ELFMAG "\177ELF" 150 #define SELFMAG 4 151 152 /* e_ident[EI_CLASS] */ 153 #define ELFCLASSNONE 0 /* Invalid class */ 154 #define ELFCLASS32 1 /* 32-bit objects */ 155 #define ELFCLASS64 2 /* 64-bit objects */ 156 #define ELFCLASSNUM 3 157 158 /* e_ident[EI_DATA] */ 159 #define ELFDATANONE 0 /* Invalid data encoding */ 160 #define ELFDATA2LSB 1 /* 2's complement values, LSB first */ 161 #define ELFDATA2MSB 2 /* 2's complement values, MSB first */ 162 163 /* e_ident[EI_VERSION] */ 164 #define EV_NONE 0 /* Invalid version */ 165 #define EV_CURRENT 1 /* Current version */ 166 #define EV_NUM 2 167 168 /* e_ident[EI_OSABI] */ 169 #define ELFOSABI_SYSV 0 /* UNIX System V ABI */ 170 #define ELFOSABI_HPUX 1 /* HP-UX operating system */ 171 #define ELFOSABI_NETBSD 2 /* NetBSD */ 172 #define ELFOSABI_GNU 3 /* GNU/Linux */ 173 #define ELFOSABI_HURD 4 /* GNU/Hurd - historical */ 174 #define ELFOSABI_86OPEN 5 /* 86Open - historical */ 175 #define ELFOSABI_SOLARIS 6 /* Solaris */ 176 #define ELFOSABI_AIX 7 /* AIX */ 177 #define ELFOSABI_IRIX 8 /* IRIX */ 178 #define ELFOSABI_FREEBSD 9 /* FreeBSD */ 179 #define ELFOSABI_TRU64 10 /* TRU64 UNIX */ 180 #define ELFOSABI_MODESTO 11 /* Novell Modesto */ 181 #define ELFOSABI_OPENBSD 12 /* OpenBSD */ 182 #define ELFOSABI_OPENVMS 13 /* OpenVMS */ 183 #define ELFOSABI_NSK 14 /* HP Non-Stop Kernel */ 184 #define ELFOSABI_AROS 15 /* Amiga Research OS */ 185 #define ELFOSABI_FENIXOS 16 /* The FenixOS highly scalable multi-core OS */ 186 #define ELFOSABI_CLOUDABI 17 /* Nuxi CloudABI */ 187 #define ELFOSABI_OPENVOS 18 /* Stratus Technologies OpenVOS */ 188 /* Unofficial OSABIs follow */ 189 #define ELFOSABI_ARM 97 /* ARM */ 190 #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ 191 192 #define ELFOSABI_NONE ELFOSABI_SYSV 193 194 /* Historical aliases. */ 195 #define ELFOSABI_LINUX ELFOSABI_GNU 196 #define ELFOSABI_MONTEREY ELFOSABI_AIX 197 198 /* e_type */ 199 #define ET_NONE 0 /* No file type */ 200 #define ET_REL 1 /* Relocatable file */ 201 #define ET_EXEC 2 /* Executable file */ 202 #define ET_DYN 3 /* Shared object file */ 203 #define ET_CORE 4 /* Core file */ 204 #define ET_NUM 5 205 206 #define ET_LOOS 0xfe00 /* Operating system specific range */ 207 #define ET_HIOS 0xfeff 208 #define ET_LOPROC 0xff00 /* Processor-specific range */ 209 #define ET_HIPROC 0xffff 210 211 /* e_machine */ 212 #define EM_NONE 0 /* No machine */ 213 #define EM_M32 1 /* AT&T WE 32100 */ 214 #define EM_SPARC 2 /* SPARC */ 215 #define EM_386 3 /* Intel 80386 */ 216 #define EM_68K 4 /* Motorola 68000 */ 217 #define EM_88K 5 /* Motorola 88000 */ 218 #define EM_486 6 /* Intel 80486 [old] */ 219 #define EM_IAMCU EM_486 /* Intel MCU. */ 220 #define EM_860 7 /* Intel 80860 */ 221 #define EM_MIPS 8 /* MIPS I Architecture */ 222 #define EM_S370 9 /* Amdahl UTS on System/370 */ 223 #define EM_MIPS_RS3_LE 10 /* MIPS RS3000 Little-endian */ 224 /* 11-14 - Reserved */ 225 #define EM_RS6000 11 /* IBM RS/6000 XXX reserved */ 226 #define EM_PARISC 15 /* Hewlett-Packard PA-RISC */ 227 #define EM_NCUBE 16 /* NCube XXX reserved */ 228 #define EM_VPP500 17 /* Fujitsu VPP500 */ 229 #define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */ 230 #define EM_960 19 /* Intel 80960 */ 231 #define EM_PPC 20 /* PowerPC */ 232 #define EM_PPC64 21 /* 64-bit PowerPC */ 233 #define EM_S390 22 /* IBM System/390 Processor */ 234 #define EM_SPU 23 /* IBM SPU/SPC */ 235 /* 24-35 - Reserved */ 236 #define EM_V800 36 /* NEC V800 */ 237 #define EM_FR20 37 /* Fujitsu FR20 */ 238 #define EM_RH32 38 /* TRW RH-32 */ 239 #define EM_RCE 39 /* Motorola RCE */ 240 #define EM_ARM 40 /* Advanced RISC Machines ARM */ 241 #define EM_OLD_ALPHA 41 /* DIGITAL Alpha (obsolete) */ 242 #define EM_SH 42 /* Hitachi Super-H */ 243 #define EM_SPARCV9 43 /* SPARC Version 9 */ 244 #define EM_TRICORE 44 /* Siemens Tricore */ 245 #define EM_ARC 45 /* Argonaut RISC Core */ 246 #define EM_H8_300 46 /* Hitachi H8/300 */ 247 #define EM_H8_300H 47 /* Hitachi H8/300H */ 248 #define EM_H8S 48 /* Hitachi H8S */ 249 #define EM_H8_500 49 /* Hitachi H8/500 */ 250 #define EM_IA_64 50 /* Intel Merced Processor */ 251 #define EM_MIPS_X 51 /* Stanford MIPS-X */ 252 #define EM_COLDFIRE 52 /* Motorola Coldfire */ 253 #define EM_68HC12 53 /* Motorola MC68HC12 */ 254 #define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator */ 255 #define EM_PCP 55 /* Siemens PCP */ 256 #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */ 257 #define EM_NDR1 57 /* Denso NDR1 microprocessor */ 258 #define EM_STARCORE 58 /* Motorola Star*Core processor */ 259 #define EM_ME16 59 /* Toyota ME16 processor */ 260 #define EM_ST100 60 /* STMicroelectronics ST100 processor */ 261 #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded family processor */ 262 #define EM_X86_64 62 /* AMD x86-64 architecture */ 263 #define EM_PDSP 63 /* Sony DSP Processor */ 264 #define EM_PDP10 64 /* Digital Equipment Corp. PDP-10 */ 265 #define EM_PDP11 65 /* Digital Equipment Corp. PDP-11 */ 266 #define EM_FX66 66 /* Siemens FX66 microcontroller */ 267 #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */ 268 #define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */ 269 #define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */ 270 #define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */ 271 #define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */ 272 #define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */ 273 #define EM_SVX 73 /* Silicon Graphics SVx */ 274 #define EM_ST19 74 /* STMicroelectronics ST19 8-bit CPU */ 275 #define EM_VAX 75 /* Digital VAX */ 276 #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */ 277 #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded CPU */ 278 #define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */ 279 #define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */ 280 #define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */ 281 #define EM_HUANY 81 /* Harvard's machine-independent format */ 282 #define EM_PRISM 82 /* SiTera Prism */ 283 #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */ 284 #define EM_FR30 84 /* Fujitsu FR30 */ 285 #define EM_D10V 85 /* Mitsubishi D10V */ 286 #define EM_D30V 86 /* Mitsubishi D30V */ 287 #define EM_V850 87 /* NEC v850 */ 288 #define EM_M32R 88 /* Mitsubishi M32R */ 289 #define EM_MN10300 89 /* Matsushita MN10300 */ 290 #define EM_MN10200 90 /* Matsushita MN10200 */ 291 #define EM_PJ 91 /* picoJava */ 292 #define EM_OR1K 92 /* OpenRISC 32-bit embedded processor */ 293 #define EM_OPENRISC EM_OR1K 294 #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */ 295 #define EM_ARC_COMPACT EM_ARC_A5 /* ARC International ARCompact processor (old spelling/synonym: EM_ARC_A5) */ 296 #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ 297 #define EM_VIDEOCORE 95 /* Alphamosaic VideoCore processor */ 298 #define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Processor */ 299 #define EM_NS32K 97 /* National Semiconductor 32000 series */ 300 #define EM_TPC 98 /* Tenor Network TPC processor */ 301 #define EM_SNP1K 99 /* Trebia SNP 1000 processor */ 302 #define EM_ST200 100 /* STMicroelectronics ST200 microcontroller */ 303 #define EM_IP2K 101 /* Ubicom IP2xxx microcontroller family */ 304 #define EM_MAX 102 /* MAX processor */ 305 #define EM_CR 103 /* National Semiconductor CompactRISC microprocessor */ 306 #define EM_F2MC16 104 /* Fujitsu F2MC16 */ 307 #define EM_MSP430 105 /* Texas Instruments MSP430 */ 308 #define EM_BLACKFIN 106 /* Analog Devices Blackfin DSP */ 309 #define EM_SE_C33 107 /* Seiko Epson S1C33 family */ 310 #define EM_SEP 108 /* Sharp embedded microprocessor */ 311 #define EM_ARCA 109 /* Arca RISC microprocessor */ 312 #define EM_UNICORE 110 /* UNICORE from PKU-Unity Ltd. and MPRC Peking University */ 313 #define EM_EXCESS 111 /* eXcess: 16/32/64-bit configurable embedded CPU */ 314 #define EM_DXP 112 /* Icera Semiconductor Inc. Deep Execution Processor */ 315 #define EM_ALTERA_NIOS2 113 /* Altera Nios II soft-core processor */ 316 #define EM_CRX 114 /* National Semiconductor CompactRISC CRX microprocessor */ 317 #define EM_XGATE 115 /* Motorola XGATE embedded processor */ 318 #define EM_C166 116 /* Infineon C16x/XC16x processor */ 319 #define EM_M16C 117 /* Renesas M16C series microprocessors */ 320 #define EM_DSPIC30F 118 /* Microchip Technology dsPIC30F Digital Signal Controller */ 321 #define EM_CE 119 /* Freescale Communication Engine RISC core */ 322 #define EM_M32C 120 /* Renesas M32C series microprocessors */ 323 /* 121-130 - Reserved */ 324 #define EM_TSK3000 131 /* Altium TSK3000 core */ 325 #define EM_RS08 132 /* Freescale RS08 embedded processor */ 326 #define EM_SHARC 133 /* Analog Devices SHARC family of 32-bit DSP processors */ 327 #define EM_ECOG2 134 /* Cyan Technology eCOG2 microprocessor */ 328 #define EM_SCORE7 135 /* Sunplus S+core7 RISC processor */ 329 #define EM_DSP24 136 /* New Japan Radio (NJR) 24-bit DSP Processor */ 330 #define EM_VIDEOCORE3 137 /* Broadcom VideoCore III processor */ 331 #define EM_LATTICEMICO32 138 /* RISC processor for Lattice FPGA architecture */ 332 #define EM_SE_C17 139 /* Seiko Epson C17 family */ 333 #define EM_TI_C6000 140 /* The Texas Instruments TMS320C6000 DSP family */ 334 #define EM_TI_C2000 141 /* The Texas Instruments TMS320C2000 DSP family */ 335 #define EM_TI_C5500 142 /* The Texas Instruments TMS320C55x DSP family */ 336 #define EM_TI_ARP32 143 /* Texas Instruments Application Specific RISC Processor, 32bit fetch */ 337 #define EM_TI_PRU 144 /* Texas Instruments Programmable Realtime Unit */ 338 /* 145-159 - Reserved */ 339 #define EM_MMDSP_PLUS 160 /* STMicroelectronics 64bit VLIW Data Signal Processor */ 340 #define EM_CYPRESS_M8C 161 /* Cypress M8C microprocessor */ 341 #define EM_R32C 162 /* Renesas R32C series microprocessors */ 342 #define EM_TRIMEDIA 163 /* NXP Semiconductors TriMedia architecture family */ 343 #define EM_QDSP6 164 /* QUALCOMM DSP6 Processor */ 344 #define EM_8051 165 /* Intel 8051 and variants */ 345 #define EM_STXP7X 166 /* STMicroelectronics STxP7x family of configurable and extensible RISC processors */ 346 #define EM_NDS32 167 /* Andes Technology compact code size embedded RISC processor family */ 347 #define EM_ECOG1 168 /* Cyan Technology eCOG1X family */ 348 #define EM_ECOG1X 168 /* Cyan Technology eCOG1X family */ 349 #define EM_MAXQ30 169 /* Dallas Semiconductor MAXQ30 Core Micro-controllers */ 350 #define EM_XIMO16 170 /* New Japan Radio (NJR) 16-bit DSP Processor */ 351 #define EM_MANIK 171 /* M2000 Reconfigurable RISC Microprocessor */ 352 #define EM_CRAYNV2 172 /* Cray Inc. NV2 vector architecture */ 353 #define EM_RX 173 /* Renesas RX family */ 354 #define EM_METAG 174 /* Imagination Technologies META processor architecture */ 355 #define EM_MCST_ELBRUS 175 /* MCST Elbrus general purpose hardware architecture */ 356 #define EM_ECOG16 176 /* Cyan Technology eCOG16 family */ 357 #define EM_CR16 177 /* National Semiconductor CompactRISC CR16 16-bit microprocessor */ 358 #define EM_ETPU 178 /* Freescale Extended Time Processing Unit */ 359 #define EM_SLE9X 179 /* Infineon Technologies SLE9X core */ 360 #define EM_L10M 180 /* Intel L10M */ 361 #define EM_K10M 181 /* Intel K10M */ 362 /* 182 - Reserved */ 363 #define EM_AARCH64 183 /* AArch64 64-bit ARM microprocessor */ 364 /* 184 - Reserved */ 365 #define EM_AVR32 185 /* Atmel Corporation 32-bit microprocessor family*/ 366 #define EM_STM8 186 /* STMicroelectronics STM8 8-bit microcontroller */ 367 #define EM_TILE64 187 /* Tilera TILE64 multicore architecture family */ 368 #define EM_TILEPRO 188 /* Tilera TILEPro multicore architecture family */ 369 #define EM_MICROBLAZE 189 /* Xilinx MicroBlaze 32-bit RISC soft processor core */ 370 #define EM_CUDA 190 /* NVIDIA CUDA architecture */ 371 #define EM_TILEGX 191 /* Tilera TILE-GX multicore architecture family */ 372 #define EM_CLOUDSHIELD 192 /* CloudShield architecture family */ 373 #define EM_COREA_1ST 193 /* KIPO-KAIST Core-A 1st generation processor family */ 374 #define EM_COREA_2ND 194 /* KIPO-KAIST Core-A 2nd generation processor family */ 375 #define EM_ARC_COMPACT2 195 /* Synopsys ARCompact V2 */ 376 #define EM_OPEN8 196 /* Open8 8-bit RISC soft processor core */ 377 #define EM_RL78 197 /* Renesas RL78 family */ 378 #define EM_VIDEOCORE5 198 /* Broadcom VideoCore V processor */ 379 #define EM_78KOR 199 /* Renesas 78KOR family */ 380 #define EM_56800EX 200 /* Freescale 56800EX Digital Signal Controller (DSC) */ 381 #define EM_BA1 201 /* Beyond BA1 CPU architecture */ 382 #define EM_BA2 202 /* Beyond BA2 CPU architecture */ 383 #define EM_XCORE 203 /* XMOS xCORE processor family */ 384 #define EM_MCHP_PIC 204 /* Microchip 8-bit PIC(r) family */ 385 #define EM_INTEL205 205 /* Reserved by Intel */ 386 #define EM_INTEL206 206 /* Reserved by Intel */ 387 #define EM_INTEL207 207 /* Reserved by Intel */ 388 #define EM_INTEL208 208 /* Reserved by Intel */ 389 #define EM_INTEL209 209 /* Reserved by Intel */ 390 #define EM_KM32 210 /* KM211 KM32 32-bit processor */ 391 #define EM_KMX32 211 /* KM211 KMX32 32-bit processor */ 392 #define EM_KMX16 212 /* KM211 KMX16 16-bit processor */ 393 #define EM_KMX8 213 /* KM211 KMX8 8-bit processor */ 394 #define EM_KVARC 214 /* KM211 KVARC processor */ 395 #define EM_CDP 215 /* Paneve CDP architecture family */ 396 #define EM_COGE 216 /* Cognitive Smart Memory Processor */ 397 #define EM_COOL 217 /* Bluechip Systems CoolEngine */ 398 #define EM_NORC 218 /* Nanoradio Optimized RISC */ 399 #define EM_CSR_KALIMBA 219 /* CSR Kalimba architecture family */ 400 #define EM_Z80 220 /* Zilog Z80 */ 401 #define EM_VISIUM 221 /* Controls and Data Services VISIUMcore processor */ 402 #define EM_FT32 222 /* FTDI Chip FT32 high performance 32-bit RISC architecture */ 403 #define EM_MOXIE 223 /* Moxie processor family */ 404 #define EM_AMDGPU 224 /* AMD GPU architecture */ 405 /* 225-242 - Reserved */ 406 #define EM_RISCV 243 /* RISC-V */ 407 408 /* Unofficial machine types follow */ 409 #define EM_ALPHA 36902 /* DIGITAL Alpha */ 410 #define EM_NUM 36903 411 412 /* 413 * Program Header 414 */ 415 typedef struct { 416 Elf32_Word p_type; /* entry type */ 417 Elf32_Off p_offset; /* offset */ 418 Elf32_Addr p_vaddr; /* virtual address */ 419 Elf32_Addr p_paddr; /* physical address */ 420 Elf32_Word p_filesz; /* file size */ 421 Elf32_Word p_memsz; /* memory size */ 422 Elf32_Word p_flags; /* flags */ 423 Elf32_Word p_align; /* memory & file alignment */ 424 } Elf32_Phdr; 425 426 typedef struct { 427 Elf64_Word p_type; /* entry type */ 428 Elf64_Word p_flags; /* flags */ 429 Elf64_Off p_offset; /* offset */ 430 Elf64_Addr p_vaddr; /* virtual address */ 431 Elf64_Addr p_paddr; /* physical address */ 432 Elf64_Xword p_filesz; /* file size */ 433 Elf64_Xword p_memsz; /* memory size */ 434 Elf64_Xword p_align; /* memory & file alignment */ 435 } Elf64_Phdr; 436 437 /* p_type */ 438 #define PT_NULL 0 /* Program header table entry unused */ 439 #define PT_LOAD 1 /* Loadable program segment */ 440 #define PT_DYNAMIC 2 /* Dynamic linking information */ 441 #define PT_INTERP 3 /* Program interpreter */ 442 #define PT_NOTE 4 /* Auxiliary information */ 443 #define PT_SHLIB 5 /* Reserved, unspecified semantics */ 444 #define PT_PHDR 6 /* Entry for header table itself */ 445 #define PT_TLS 7 /* TLS initialisation image */ 446 #define PT_NUM 8 447 448 #define PT_LOOS 0x60000000 /* OS-specific range */ 449 450 /* GNU-specific */ 451 #define PT_GNU_EH_FRAME 0x6474e550 /* EH frame segment */ 452 #define PT_GNU_STACK 0x6474e551 /* Indicate executable stack */ 453 #define PT_GNU_RELRO 0x6474e552 /* Make read-only after relocation */ 454 455 #define PT_HIOS 0x6fffffff 456 #define PT_LOPROC 0x70000000 /* Processor-specific range */ 457 #define PT_HIPROC 0x7fffffff 458 459 #define PT_MIPS_REGINFO 0x70000000 460 #define PT_MIPS_ABIFLAGS 0x70000003 461 462 /* p_flags */ 463 #define PF_R 0x4 /* Segment is readable */ 464 #define PF_W 0x2 /* Segment is writable */ 465 #define PF_X 0x1 /* Segment is executable */ 466 467 #define PF_MASKOS 0x0ff00000 /* Operating system specific values */ 468 #define PF_MASKPROC 0xf0000000 /* Processor-specific values */ 469 470 /* Extended program header index. */ 471 #define PN_XNUM 0xffff 472 473 /* 474 * Section Headers 475 */ 476 typedef struct { 477 Elf32_Word sh_name; /* section name (.shstrtab index) */ 478 Elf32_Word sh_type; /* section type */ 479 Elf32_Word sh_flags; /* section flags */ 480 Elf32_Addr sh_addr; /* virtual address */ 481 Elf32_Off sh_offset; /* file offset */ 482 Elf32_Word sh_size; /* section size */ 483 Elf32_Word sh_link; /* link to another */ 484 Elf32_Word sh_info; /* misc info */ 485 Elf32_Word sh_addralign; /* memory alignment */ 486 Elf32_Word sh_entsize; /* table entry size */ 487 } Elf32_Shdr; 488 489 typedef struct { 490 Elf64_Word sh_name; /* section name (.shstrtab index) */ 491 Elf64_Word sh_type; /* section type */ 492 Elf64_Xword sh_flags; /* section flags */ 493 Elf64_Addr sh_addr; /* virtual address */ 494 Elf64_Off sh_offset; /* file offset */ 495 Elf64_Xword sh_size; /* section size */ 496 Elf64_Word sh_link; /* link to another */ 497 Elf64_Word sh_info; /* misc info */ 498 Elf64_Xword sh_addralign; /* memory alignment */ 499 Elf64_Xword sh_entsize; /* table entry size */ 500 } Elf64_Shdr; 501 502 /* sh_type */ 503 #define SHT_NULL 0 /* Section header table entry unused */ 504 #define SHT_PROGBITS 1 /* Program information */ 505 #define SHT_SYMTAB 2 /* Symbol table */ 506 #define SHT_STRTAB 3 /* String table */ 507 #define SHT_RELA 4 /* Relocation information w/ addend */ 508 #define SHT_HASH 5 /* Symbol hash table */ 509 #define SHT_DYNAMIC 6 /* Dynamic linking information */ 510 #define SHT_NOTE 7 /* Auxiliary information */ 511 #define SHT_NOBITS 8 /* No space allocated in file image */ 512 #define SHT_REL 9 /* Relocation information w/o addend */ 513 #define SHT_SHLIB 10 /* Reserved, unspecified semantics */ 514 #define SHT_DYNSYM 11 /* Symbol table for dynamic linker */ 515 #define SHT_INIT_ARRAY 14 /* Initialization function pointers */ 516 #define SHT_FINI_ARRAY 15 /* Termination function pointers */ 517 #define SHT_PREINIT_ARRAY 16 /* Pre-initialization function ptrs */ 518 #define SHT_GROUP 17 /* Section group */ 519 #define SHT_SYMTAB_SHNDX 18 /* Section indexes (see SHN_XINDEX) */ 520 #define SHT_RELR 19 /* Relative relocation information */ 521 #define SHT_NUM 20 522 523 #define SHT_LOOS 0x60000000 /* Operating system specific range */ 524 #define SHT_GNU_INCREMENTAL_INPUTS 0x6fff4700 /* GNU incremental build data */ 525 #define SHT_LOSUNW 0x6ffffff4 526 #define SHT_SUNW_dof 0x6ffffff4 527 #define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* GNU object attributes */ 528 #define SHT_SUNW_cap 0x6ffffff5 529 #define SHT_SUNW_SIGNATURE 0x6ffffff6 530 #define SHT_GNU_HASH 0x6ffffff6 /* GNU style symbol hash table */ 531 #define SHT_GNU_LIBLIST 0x6ffffff7 /* GNU list of prelink dependencies */ 532 #define SHT_SUNW_move 0x6ffffffa 533 #define SHT_SUNW_COMDAT 0x6ffffffb 534 #define SHT_SUNW_syminfo 0x6ffffffc 535 #define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */ 536 #define SHT_GNU_verdef SHT_SUNW_verdef 537 #define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */ 538 #define SHT_GNU_verneed SHT_SUNW_verneed 539 #define SHT_SUNW_versym 0x6fffffff /* Symbol versions */ 540 #define SHT_GNU_versym SHT_SUNW_versym 541 #define SHT_HISUNW 0x6fffffff 542 #define SHT_HIOS 0x6fffffff 543 #define SHT_LOPROC 0x70000000 /* Processor-specific range */ 544 #define SHT_AMD64_UNWIND 0x70000001 /* unwind information */ 545 #define SHT_ARM_EXIDX 0x70000001 /* exception index table */ 546 #define SHT_ARM_PREEMPTMAP 0x70000002 /* BPABI DLL dynamic linking 547 * pre-emption map */ 548 #define SHT_ARM_ATTRIBUTES 0x70000003 /* Object file compatibility 549 * attributes */ 550 #define SHT_ARM_DEBUGOVERLAY 0x70000004 /* See DBGOVL for details */ 551 #define SHT_ARM_OVERLAYSECTION 0x70000005 552 #define SHT_MIPS_REGINFO 0x70000006 553 #define SHT_MIPS_OPTIONS 0x7000000d 554 #define SHT_MIPS_DWARF 0x7000001e /* MIPS gcc uses MIPS_DWARF */ 555 #define SHT_MIPS_XHASH 0x7000002b /* MIPS version of GNU_HASH */ 556 #define SHT_HIPROC 0x7fffffff 557 #define SHT_LOUSER 0x80000000 /* Application-specific range */ 558 #define SHT_HIUSER 0xffffffff 559 560 /* sh_flags */ 561 #define SHF_WRITE 0x00000001 /* Contains writable data */ 562 #define SHF_ALLOC 0x00000002 /* Occupies memory */ 563 #define SHF_EXECINSTR 0x00000004 /* Contains executable insns */ 564 #define SHF_MERGE 0x00000010 /* Might be merged */ 565 #define SHF_STRINGS 0x00000020 /* Contains nul terminated strings */ 566 #define SHF_INFO_LINK 0x00000040 /* "sh_info" contains SHT index */ 567 #define SHF_LINK_ORDER 0x00000080 /* Preserve order after combining */ 568 #define SHF_OS_NONCONFORMING 0x00000100 /* OS specific handling required */ 569 #define SHF_GROUP 0x00000200 /* Is member of a group */ 570 #define SHF_TLS 0x00000400 /* Holds thread-local data */ 571 #define SHF_MASKOS 0x0ff00000 /* Operating system specific values */ 572 #define SHF_MASKPROC 0xf0000000 /* Processor-specific values */ 573 #define SHF_ORDERED 0x40000000 /* Ordering requirement (Solaris) */ 574 #define SHF_EXCLUDE 0x80000000 /* Excluded unless unles ref/alloc 575 (Solaris).*/ 576 /* 577 * Symbol Table 578 */ 579 typedef struct { 580 Elf32_Word st_name; /* Symbol name (.strtab index) */ 581 Elf32_Addr st_value; /* value of symbol */ 582 Elf32_Word st_size; /* size of symbol */ 583 Elf_Byte st_info; /* type / binding attrs */ 584 Elf_Byte st_other; /* unused */ 585 Elf32_Half st_shndx; /* section index of symbol */ 586 } Elf32_Sym; 587 588 typedef struct { 589 Elf64_Word st_name; /* Symbol name (.strtab index) */ 590 Elf_Byte st_info; /* type / binding attrs */ 591 Elf_Byte st_other; /* unused */ 592 Elf64_Half st_shndx; /* section index of symbol */ 593 Elf64_Addr st_value; /* value of symbol */ 594 Elf64_Xword st_size; /* size of symbol */ 595 } Elf64_Sym; 596 597 /* Symbol Table index of the undefined symbol */ 598 #define ELF_SYM_UNDEFINED 0 599 600 #define STN_UNDEF 0 /* undefined index */ 601 602 /* st_info: Symbol Bindings */ 603 #define STB_LOCAL 0 /* local symbol */ 604 #define STB_GLOBAL 1 /* global symbol */ 605 #define STB_WEAK 2 /* weakly defined global symbol */ 606 #define STB_NUM 3 607 608 #define STB_LOOS 10 /* Operating system specific range */ 609 #define STB_HIOS 12 610 #define STB_LOPROC 13 /* Processor-specific range */ 611 #define STB_HIPROC 15 612 613 /* st_info: Symbol Types */ 614 #define STT_NOTYPE 0 /* Type not specified */ 615 #define STT_OBJECT 1 /* Associated with a data object */ 616 #define STT_FUNC 2 /* Associated with a function */ 617 #define STT_SECTION 3 /* Associated with a section */ 618 #define STT_FILE 4 /* Associated with a file name */ 619 #define STT_COMMON 5 /* Uninitialised common block */ 620 #define STT_TLS 6 /* Thread local data object */ 621 #define STT_NUM 7 622 623 #define STT_LOOS 10 /* Operating system specific range */ 624 #define STT_GNU_IFUNC 10 /* GNU extension: indirect function */ 625 #define STT_HIOS 12 626 #define STT_LOPROC 13 /* Processor-specific range */ 627 #define STT_HIPROC 15 628 629 /* st_other: Visibility Types */ 630 #define STV_DEFAULT 0 /* use binding type */ 631 #define STV_INTERNAL 1 /* not referenced from outside */ 632 #define STV_HIDDEN 2 /* not visible, may be used via ptr */ 633 #define STV_PROTECTED 3 /* visible, not preemptible */ 634 #define STV_EXPORTED 4 635 #define STV_SINGLETON 5 636 #define STV_ELIMINATE 6 637 638 /* st_info/st_other utility macros */ 639 #define ELF_ST_BIND(info) ((uint32_t)(info) >> 4) 640 #define ELF_ST_TYPE(info) ((uint32_t)(info) & 0xf) 641 #define ELF_ST_INFO(bind,type) ((Elf_Byte)(((bind) << 4) | \ 642 ((type) & 0xf))) 643 #define ELF_ST_VISIBILITY(other) ((uint32_t)(other) & 3) 644 645 /* 646 * Special section indexes 647 */ 648 #define SHN_UNDEF 0 /* Undefined section */ 649 650 #define SHN_LORESERVE 0xff00 /* Reserved range */ 651 #define SHN_ABS 0xfff1 /* Absolute symbols */ 652 #define SHN_COMMON 0xfff2 /* Common symbols */ 653 #define SHN_XINDEX 0xffff /* Escape -- index stored elsewhere */ 654 #define SHN_HIRESERVE 0xffff 655 656 #define SHN_LOPROC 0xff00 /* Processor-specific range */ 657 #define SHN_HIPROC 0xff1f 658 #define SHN_LOOS 0xff20 /* Operating system specific range */ 659 #define SHN_HIOS 0xff3f 660 661 #define SHN_MIPS_ACOMMON 0xff00 662 #define SHN_MIPS_TEXT 0xff01 663 #define SHN_MIPS_DATA 0xff02 664 #define SHN_MIPS_SCOMMON 0xff03 665 666 /* 667 * Relocation Entries 668 */ 669 typedef struct { 670 Elf32_Word r_offset; /* where to do it */ 671 Elf32_Word r_info; /* index & type of relocation */ 672 } Elf32_Rel; 673 674 typedef struct { 675 Elf32_Word r_offset; /* where to do it */ 676 Elf32_Word r_info; /* index & type of relocation */ 677 Elf32_Sword r_addend; /* adjustment value */ 678 } Elf32_Rela; 679 680 /* r_info utility macros */ 681 #define ELF32_R_SYM(info) ((info) >> 8) 682 #define ELF32_R_TYPE(info) ((info) & 0xff) 683 #define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type)) 684 685 /* Relative relocations (DT_RELR, SHT_RELR, .relr.dyn) */ 686 typedef Elf32_Word Elf32_Relr; 687 688 typedef struct { 689 Elf64_Addr r_offset; /* where to do it */ 690 Elf64_Xword r_info; /* index & type of relocation */ 691 } Elf64_Rel; 692 693 typedef struct { 694 Elf64_Addr r_offset; /* where to do it */ 695 Elf64_Xword r_info; /* index & type of relocation */ 696 Elf64_Sxword r_addend; /* adjustment value */ 697 } Elf64_Rela; 698 699 /* r_info utility macros */ 700 #define ELF64_R_SYM(info) ((info) >> 32) 701 #define ELF64_R_TYPE(info) ((info) & 0xffffffff) 702 #define ELF64_R_INFO(sym,type) (((sym) << 32) + (type)) 703 704 /* Relative relocations (DT_RELR, SHT_RELR, .relr.dyn) */ 705 typedef Elf64_Xword Elf64_Relr; 706 707 /* 708 * Move entries 709 */ 710 typedef struct { 711 Elf32_Lword m_value; /* symbol value */ 712 Elf32_Word m_info; /* size + index */ 713 Elf32_Word m_poffset; /* symbol offset */ 714 Elf32_Half m_repeat; /* repeat count */ 715 Elf32_Half m_stride; /* stride info */ 716 } Elf32_Move; 717 718 #define ELF32_M_SYM(info) ((info) >> 8) 719 #define ELF32_M_SIZE(info) ((info) & 0xff) 720 #define ELF32_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size)) 721 722 typedef struct { 723 Elf64_Lword m_value; /* symbol value */ 724 Elf64_Xword m_info; /* size + index */ 725 Elf64_Xword m_poffset; /* symbol offset */ 726 Elf64_Word m_repeat; /* repeat count */ 727 Elf64_Word m_stride; /* stride info */ 728 } Elf64_Move; 729 730 #define ELF64_M_SYM(info) ((info) >> 8) 731 #define ELF64_M_SIZE(info) ((info) & 0xff) 732 #define ELF64_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size)) 733 734 /* 735 * Hardware/software capabilities entry 736 */ 737 typedef struct { 738 Elf32_Word c_tag; /* entry tag value */ 739 union { 740 Elf32_Addr c_ptr; 741 Elf32_Word c_val; 742 } c_un; 743 } Elf32_Cap; 744 745 typedef struct { 746 Elf64_Xword c_tag; /* entry tag value */ 747 union { 748 Elf64_Addr c_ptr; 749 Elf64_Xword c_val; 750 } c_un; 751 } Elf64_Cap; 752 753 /* 754 * Dynamic Section structure array 755 */ 756 typedef struct { 757 Elf32_Word d_tag; /* entry tag value */ 758 union { 759 Elf32_Addr d_ptr; 760 Elf32_Word d_val; 761 } d_un; 762 } Elf32_Dyn; 763 764 typedef struct { 765 Elf64_Xword d_tag; /* entry tag value */ 766 union { 767 Elf64_Addr d_ptr; 768 Elf64_Xword d_val; 769 } d_un; 770 } Elf64_Dyn; 771 772 /* d_tag */ 773 #define DT_NULL 0 /* Marks end of dynamic array */ 774 #define DT_NEEDED 1 /* Name of needed library (DT_STRTAB offset) */ 775 #define DT_PLTRELSZ 2 /* Size, in bytes, of relocations in PLT */ 776 #define DT_PLTGOT 3 /* Address of PLT and/or GOT */ 777 #define DT_HASH 4 /* Address of symbol hash table */ 778 #define DT_STRTAB 5 /* Address of string table */ 779 #define DT_SYMTAB 6 /* Address of symbol table */ 780 #define DT_RELA 7 /* Address of Rela relocation table */ 781 #define DT_RELASZ 8 /* Size, in bytes, of DT_RELA table */ 782 #define DT_RELAENT 9 /* Size, in bytes, of one DT_RELA entry */ 783 #define DT_STRSZ 10 /* Size, in bytes, of DT_STRTAB table */ 784 #define DT_SYMENT 11 /* Size, in bytes, of one DT_SYMTAB entry */ 785 #define DT_INIT 12 /* Address of initialization function */ 786 #define DT_FINI 13 /* Address of termination function */ 787 #define DT_SONAME 14 /* Shared object name (DT_STRTAB offset) */ 788 #define DT_RPATH 15 /* Library search path (DT_STRTAB offset) */ 789 #define DT_SYMBOLIC 16 /* Start symbol search within local object */ 790 #define DT_REL 17 /* Address of Rel relocation table */ 791 #define DT_RELSZ 18 /* Size, in bytes, of DT_REL table */ 792 #define DT_RELENT 19 /* Size, in bytes, of one DT_REL entry */ 793 #define DT_PLTREL 20 /* Type of PLT relocation entries */ 794 #define DT_DEBUG 21 /* Used for debugging; unspecified */ 795 #define DT_TEXTREL 22 /* Relocations might modify non-writable seg */ 796 #define DT_JMPREL 23 /* Address of relocations associated with PLT */ 797 #define DT_BIND_NOW 24 /* Process all relocations at load-time */ 798 #define DT_INIT_ARRAY 25 /* Address of initialization function array */ 799 #define DT_FINI_ARRAY 26 /* Size, in bytes, of DT_INIT_ARRAY array */ 800 #define DT_INIT_ARRAYSZ 27 /* Address of termination function array */ 801 #define DT_FINI_ARRAYSZ 28 /* Size, in bytes, of DT_FINI_ARRAY array*/ 802 #define DT_RUNPATH 29 /* overrides DT_RPATH */ 803 #define DT_FLAGS 30 /* Encodes ORIGIN, SYMBOLIC, TEXTREL, BIND_NOW, STATIC_TLS */ 804 #define DT_ENCODING 32 /* In [32, DT_LOOS), only evens use d_ptr */ 805 #define DT_PREINIT_ARRAY 32 /* Address of pre-init function array */ 806 #define DT_PREINIT_ARRAYSZ 33 /* Size, in bytes, of DT_PREINIT_ARRAY array */ 807 #define DT_SYMTAB_SHNDX 34 /* Addr. of SHT_SYMTAB_SHNDX of DT_SYMTAB */ 808 #define DT_RELRSZ 35 /* Size, in bytes, of DT_RELR table */ 809 #define DT_RELR 36 /* Address of Relr relocation table */ 810 #define DT_RELRENT 37 /* Size, in bytes, of one DT_RELR entry */ 811 #define DT_NUM 38 812 813 #define DT_LOOS 0x60000000 /* Operating system specific range */ 814 #define DT_GNU_HASH 0x6ffffef5 /* GNU-style hash table */ 815 #define DT_VERSYM 0x6ffffff0 /* Symbol versions */ 816 #define DT_FLAGS_1 0x6ffffffb /* ELF dynamic flags */ 817 #define DT_VERDEF 0x6ffffffc /* Versions defined by file */ 818 #define DT_VERDEFNUM 0x6ffffffd /* Number of versions defined by file */ 819 #define DT_VERNEED 0x6ffffffe /* Versions needed by file */ 820 #define DT_VERNEEDNUM 0x6fffffff /* Number of versions needed by file */ 821 #define DT_HIOS 0x6fffffff 822 #define DT_LOPROC 0x70000000 /* Processor-specific range */ 823 #define DT_MIPS_XHASH 0x70000036 /* MIPS version of GNU_HASH */ 824 #define DT_HIPROC 0x7fffffff 825 826 /* Flag values for DT_FLAGS */ 827 #define DF_ORIGIN 0x00000001 /* uses $ORIGIN */ 828 #define DF_SYMBOLIC 0x00000002 /* */ 829 #define DF_TEXTREL 0x00000004 /* */ 830 #define DF_BIND_NOW 0x00000008 /* */ 831 #define DF_STATIC_TLS 0x00000010 /* */ 832 833 /* Flag values for DT_FLAGS_1 */ 834 #define DF_1_NOW 0x00000001 /* Same as DF_BIND_NOW */ 835 #define DF_1_GLOBAL 0x00000002 /* Unused */ 836 #define DF_1_GROUP 0x00000004 /* Is member of group */ 837 #define DF_1_NODELETE 0x00000008 /* Cannot be deleted from process */ 838 #define DF_1_LOADFLTR 0x00000010 /* Immediate loading of filters */ 839 #define DF_1_INITFIRST 0x00000020 /* init/fini takes priority */ 840 #define DF_1_NOOPEN 0x00000040 /* Do not allow loading on dlopen() */ 841 #define DF_1_ORIGIN 0x00000080 /* Require $ORIGIN processing */ 842 #define DF_1_DIRECT 0x00000100 /* Enable direct bindings */ 843 #define DF_1_INTERPOSE 0x00000400 /* Is an interposer */ 844 #define DF_1_NODEFLIB 0x00000800 /* Ignore default library search path */ 845 #define DF_1_NODUMP 0x00001000 /* Cannot be dumped with dldump(3C) */ 846 #define DF_1_CONFALT 0x00002000 /* Configuration alternative */ 847 #define DF_1_ENDFILTEE 0x00004000 /* Filtee ends filter's search */ 848 #define DF_1_DISPRELDNE 0x00008000 /* Did displacement relocation */ 849 #define DF_1_DISPRELPND 0x00010000 /* Pending displacement relocation */ 850 #define DF_1_NODIRECT 0x00020000 /* Has non-direct bindings */ 851 #define DF_1_IGNMULDEF 0x00040000 /* Used internally */ 852 #define DF_1_NOKSYMS 0x00080000 /* Used internally */ 853 #define DF_1_NOHDR 0x00100000 /* Used internally */ 854 #define DF_1_EDITED 0x00200000 /* Has been modified since build */ 855 #define DF_1_NORELOC 0x00400000 /* Used internally */ 856 #define DF_1_SYMINTPOSE 0x00800000 /* Has individual symbol interposers */ 857 #define DF_1_GLOBAUDIT 0x01000000 /* Require global auditing */ 858 #define DF_1_SINGLETON 0x02000000 /* Has singleton symbols */ 859 #define DF_1_STUB 0x04000000 /* Stub */ 860 #define DF_1_PIE 0x08000000 /* Position Independent Executable */ 861 862 /* 863 * Auxiliary Vectors 864 */ 865 typedef struct { 866 Elf32_Word a_type; /* 32-bit id */ 867 Elf32_Word a_v; /* 32-bit id */ 868 } Aux32Info; 869 870 typedef struct { 871 Elf64_Word a_type; /* 32-bit id */ 872 Elf64_Xword a_v; /* 64-bit id */ 873 } Aux64Info; 874 875 /* a_type */ 876 #define AT_NULL 0 /* Marks end of array */ 877 #define AT_IGNORE 1 /* No meaning, a_un is undefined */ 878 #define AT_EXECFD 2 /* Open file descriptor of object file */ 879 #define AT_PHDR 3 /* &phdr[0] */ 880 #define AT_PHENT 4 /* sizeof(phdr[0]) */ 881 #define AT_PHNUM 5 /* # phdr entries */ 882 #define AT_PAGESZ 6 /* PAGESIZE */ 883 #define AT_BASE 7 /* Interpreter base addr */ 884 #define AT_FLAGS 8 /* Processor flags */ 885 #define AT_ENTRY 9 /* Entry address of executable */ 886 #define AT_DCACHEBSIZE 10 /* Data cache block size */ 887 #define AT_ICACHEBSIZE 11 /* Instruction cache block size */ 888 #define AT_UCACHEBSIZE 12 /* Unified cache block size */ 889 #define AT_STACKBASE 13 /* Base address of the main thread */ 890 891 /* Vendor specific */ 892 #define AT_MIPS_NOTELF 10 /* XXX a_val != 0 -> MIPS XCOFF executable */ 893 894 #define AT_EUID 2000 /* euid (solaris compatible numbers) */ 895 #define AT_RUID 2001 /* ruid (solaris compatible numbers) */ 896 #define AT_EGID 2002 /* egid (solaris compatible numbers) */ 897 #define AT_RGID 2003 /* rgid (solaris compatible numbers) */ 898 899 /* Solaris kernel specific */ 900 #define AT_SUN_LDELF 2004 /* dynamic linker's ELF header */ 901 #define AT_SUN_LDSHDR 2005 /* dynamic linker's section header */ 902 #define AT_SUN_LDNAME 2006 /* dynamic linker's name */ 903 #define AT_SUN_LPGSIZE 2007 /* large pagesize */ 904 905 /* Other information */ 906 #define AT_SUN_PLATFORM 2008 /* sysinfo(SI_PLATFORM) */ 907 #define AT_SUN_HWCAP 2009 /* process hardware capabilities */ 908 #define AT_SUN_IFLUSH 2010 /* do we need to flush the instruction cache? */ 909 #define AT_SUN_CPU 2011 /* CPU name */ 910 /* ibcs2 emulation band aid */ 911 #define AT_SUN_EMUL_ENTRY 2012 /* coff entry point */ 912 #define AT_SUN_EMUL_EXECFD 2013 /* coff file descriptor */ 913 /* Executable's fully resolved name */ 914 #define AT_SUN_EXECNAME 2014 915 916 /* 917 * The header for GNU-style hash sections. 918 */ 919 typedef struct { 920 uint32_t gh_nbuckets; /* Number of hash buckets. */ 921 uint32_t gh_symndx; /* First visible symbol in .dynsym. */ 922 uint32_t gh_maskwords; /* #maskwords used in bloom filter. */ 923 uint32_t gh_shift2; /* Bloom filter shift count. */ 924 } Elf_GNU_Hash_Header; 925 926 /* 927 * Note Headers 928 */ 929 typedef struct { 930 Elf32_Word n_namesz; 931 Elf32_Word n_descsz; 932 Elf32_Word n_type; 933 } Elf32_Nhdr; 934 935 typedef struct { 936 Elf64_Word n_namesz; 937 Elf64_Word n_descsz; 938 Elf64_Word n_type; 939 } Elf64_Nhdr; 940 941 #define ELF_NOTE_GNU_NAMESZ 4 942 #define ELF_NOTE_GNU_NAME "GNU\0" 943 944 /* 945 * GNU-specific note type: ABI tag 946 * name: GNU\0 947 * namesz: 4 948 * desc: 949 * word[0]: OS tag 950 * word[1]: major version 951 * word[2]: minor version 952 * word[3]: teeny version 953 * descsz: 16 954 */ 955 /* GNU-specific note name and description sizes */ 956 #define ELF_NOTE_TYPE_ABI_TAG 1 957 #define ELF_NOTE_ABI_NAME ELF_NOTE_GNU_NAME 958 #define ELF_NOTE_ABI_NAMESZ ELF_NOTE_GNU_NAMESZ 959 #define ELF_NOTE_ABI_DESCSZ 16 960 /* GNU-specific OS/version value stuff */ 961 #define ELF_NOTE_ABI_OS_LINUX 0 962 #define ELF_NOTE_ABI_OS_HURD 1 963 #define ELF_NOTE_ABI_OS_SOLARIS 2 964 #define ELF_NOTE_ABI_OS_KFREEBSD 3 965 #define ELF_NOTE_ABI_OS_KNETBSD 4 966 967 /* Old gcc style, under the ABI tag */ 968 #define ELF_NOTE_OGCC_NAMESZ 8 969 #define ELF_NOTE_OGCC_NAME "01.01\0\0\0\0" 970 #define ELF_NOTE_OGCC_DESCSZ 0 971 972 /* 973 * GNU-specific note type: Hardware capabilities 974 * name: GNU\0 975 * namesz: 4 976 * desc: 977 * word[0]: Number of entries 978 * word[1]: Bitmask of enabled entries 979 * Followed by a byte id, and a NUL terminated string per entry 980 * descsz: variable 981 */ 982 #define ELF_NOTE_TYPE_GNU_HWCAP 2 983 984 /* 985 * GNU-specific note type: Build ID generated by ld 986 * name: GNU\0 987 * desc: 988 * word[0..4] SHA1 [default] 989 * or 990 * word[0..3] md5 or uuid 991 * descsz: 16 or 20 992 */ 993 #define ELF_NOTE_TYPE_GNU_BUILD_ID 3 994 995 /* SuSE-specific note type: ABI 996 * name: SuSE\0 997 * namesz: 5 998 * desc: 999 * half[0] = MMmm 1000 * 1001 * M = product major version 1002 * m = product minor version 1003 * descsz: 2 1004 */ 1005 #define ELF_NOTE_TYPE_SUSE_TAG 1 1006 /* SuSE-specific note name and description sizes */ 1007 #define ELF_NOTE_SUSE_NAMESZ 5 1008 #define ELF_NOTE_SUSE_DESCSZ 2 1009 /* SuSE-specific note name */ 1010 #define ELF_NOTE_SUSE_NAME "SuSE\0" 1011 1012 /* SuSE-specific note type: version 1013 * name: SuSE\0\0\0\0 1014 * namesz: 8 1015 * desc: 1016 * word[0] = VVTTMMmm 1017 * 1018 * V = version of following data 1019 * T = product type: [box, sles, nld, whatever] 1020 * M = product major version 1021 * m = product minor version 1022 * descsz: 8 1023 */ 1024 #define ELF_NOTE_TYPE_SUSE_VERSION_TAG 0x45537553 /* SuSE in LE */ 1025 /* SuSE-specific note name and description sizes */ 1026 #define ELF_NOTE_SUSE_VERSION_NAMESZ 8 1027 #define ELF_NOTE_SUSE_VERSION_DESCSZ 8 1028 /* SuSE-specific note name */ 1029 #define ELF_NOTE_SUSE_VERSION_NAME "SuSE\0\0\0\0" 1030 1031 /* Go-specific note type: buildid 1032 * name: Go\0\0 1033 * namesz: 4 1034 * desc: 1035 * words[10] 1036 * descsz: 40 1037 */ 1038 #define ELF_NOTE_TYPE_GO_BUILDID_TAG 4 1039 #define ELF_NOTE_GO_BUILDID_NAMESZ 4 1040 #define ELF_NOTE_GO_BUILDID_DESCSZ 40 1041 #define ELF_NOTE_GO_BUILDID_NAME "Go\0\0" 1042 1043 /* 1044 * FDO-specific note type: packaging metadata 1045 * name: FDO\0 1046 * namesz: 4 1047 * desc: 1048 * a single JSON object encoded as a zero-terminated UTF-8 string 1049 * (see https://systemd.io/COREDUMP_PACKAGE_METADATA/) 1050 * descsz: variable 1051 */ 1052 #define ELF_NOTE_TYPE_FDO_PACKAGING_METADATA 0xcafe1a7e 1053 #define ELF_NOTE_FDO_PACKAGING_METADATA_NAMESZ 4 1054 #define ELF_NOTE_FDO_PACKAGING_METADATA_NAME "FDO\0" 1055 1056 /* NetBSD-specific note type: NetBSD ABI version. 1057 * name: NetBSD\0\0 1058 * namesz: 8 1059 * desc: 1060 * word[0]: MMmmrrpp00 1061 * 1062 * M = major version 1063 * m = minor version 1064 * r = release ["",A-Z,Z[A-Z] but numeric] 1065 * p = patchlevel 1066 * descsz: 4 1067 */ 1068 #define ELF_NOTE_TYPE_NETBSD_TAG 1 1069 /* NetBSD-specific note name and description sizes */ 1070 #define ELF_NOTE_NETBSD_NAMESZ 7 1071 #define ELF_NOTE_NETBSD_DESCSZ 4 1072 /* NetBSD-specific note name */ 1073 #define ELF_NOTE_NETBSD_NAME "NetBSD\0\0" 1074 1075 /* NetBSD-specific note type: Emulation (obsolete; last used early 2000) 1076 * name: NetBSD\0\0 1077 * namesz: 8 1078 * desc: 1079 * "netbsd\0" 1080 * 1081 * descsz: 8 1082 */ 1083 #define ELF_NOTE_TYPE_NETBSD_EMUL_TAG 2 1084 #define ELF_NOTE_NETBSD_EMUL_NAMESZ 7 1085 #define ELF_NOTE_NETBSD_EMUL_DESCSZ 7 1086 /* NetBSD-specific note name */ 1087 #define ELF_NOTE_NETBSD_EMUL_NAME "NetBSD\0\0" 1088 1089 /* 1090 * NetBSD-specific note type: PaX. 1091 * There should be 1 NOTE per executable. 1092 * name: PaX\0 1093 * namesz: 4 1094 * desc: 1095 * word[0]: capability bitmask 1096 * descsz: 4 1097 */ 1098 #define ELF_NOTE_TYPE_PAX_TAG 3 1099 #define ELF_NOTE_PAX_MPROTECT 0x01 /* Force enable Mprotect */ 1100 #define ELF_NOTE_PAX_NOMPROTECT 0x02 /* Force disable Mprotect */ 1101 #define ELF_NOTE_PAX_GUARD 0x04 /* Force enable Segvguard */ 1102 #define ELF_NOTE_PAX_NOGUARD 0x08 /* Force disable Segvguard */ 1103 #define ELF_NOTE_PAX_ASLR 0x10 /* Force enable ASLR */ 1104 #define ELF_NOTE_PAX_NOASLR 0x20 /* Force disable ASLR */ 1105 #define ELF_NOTE_PAX_NAMESZ 4 1106 #define ELF_NOTE_PAX_NAME "PaX\0" 1107 #define ELF_NOTE_PAX_DESCSZ 4 1108 1109 /* 1110 * NetBSD-specific core file information. 1111 * 1112 * NetBSD ELF core files use notes to provide information about 1113 * the process's state. The note name is "NetBSD-CORE" for 1114 * information that is global to the process, and "NetBSD-CORE@nn", 1115 * where "nn" is the lwpid of the LWP that the information belongs 1116 * to (such as register state). 1117 * 1118 * We use the following note identifiers: 1119 * 1120 * ELF_NOTE_NETBSD_CORE_PROCINFO 1121 * Note is a "netbsd_elfcore_procinfo" structure. 1122 * ELF_NOTE_NETBSD_CORE_AUXV 1123 * Note is an array of AuxInfo structures. 1124 * 1125 * We also use ptrace(2) request numbers (the ones that exist in 1126 * machine-dependent space) to identify register info notes. The 1127 * info in such notes is in the same format that ptrace(2) would 1128 * export that information. 1129 * 1130 * Please try to keep the members of this structure nicely aligned, 1131 * and if you add elements, add them to the end and bump the version. 1132 */ 1133 1134 #define ELF_NOTE_NETBSD_CORE_NAME "NetBSD-CORE" 1135 1136 #define ELF_NOTE_NETBSD_CORE_PROCINFO 1 1137 #define ELF_NOTE_NETBSD_CORE_AUXV 2 1138 1139 #define NETBSD_ELFCORE_PROCINFO_VERSION 1 1140 1141 struct netbsd_elfcore_procinfo { 1142 /* Version 1 fields start here. */ 1143 uint32_t cpi_version; /* our version */ 1144 uint32_t cpi_cpisize; /* sizeof(this struct) */ 1145 uint32_t cpi_signo; /* killing signal */ 1146 uint32_t cpi_sigcode; /* signal code */ 1147 uint32_t cpi_sigpend[4]; /* pending signals */ 1148 uint32_t cpi_sigmask[4]; /* blocked signals */ 1149 uint32_t cpi_sigignore[4]; /* ignored signals */ 1150 uint32_t cpi_sigcatch[4]; /* caught signals */ 1151 int32_t cpi_pid; /* process ID */ 1152 int32_t cpi_ppid; /* parent process ID */ 1153 int32_t cpi_pgrp; /* process group ID */ 1154 int32_t cpi_sid; /* session ID */ 1155 uint32_t cpi_ruid; /* real user ID */ 1156 uint32_t cpi_euid; /* effective user ID */ 1157 uint32_t cpi_svuid; /* saved user ID */ 1158 uint32_t cpi_rgid; /* real group ID */ 1159 uint32_t cpi_egid; /* effective group ID */ 1160 uint32_t cpi_svgid; /* saved group ID */ 1161 uint32_t cpi_nlwps; /* number of LWPs */ 1162 int8_t cpi_name[32]; /* copy of p->p_comm */ 1163 /* Add version 2 fields below here. */ 1164 int32_t cpi_siglwp; /* LWP target of killing signal */ 1165 }; 1166 1167 /* 1168 * NetBSD-specific note type: MACHINE_ARCH. 1169 * There should be 1 NOTE per executable. 1170 * name: NetBSD\0 1171 * namesz: 7 1172 * desc: string 1173 * descsz: variable 1174 */ 1175 #define ELF_NOTE_TYPE_MARCH_TAG 5 1176 /* NetBSD-specific note name and description sizes */ 1177 #define ELF_NOTE_MARCH_NAMESZ ELF_NOTE_NETBSD_NAMESZ 1178 /* NetBSD-specific note name */ 1179 #define ELF_NOTE_MARCH_NAME ELF_NOTE_NETBSD_NAME 1180 1181 /* 1182 * NetBSD-specific note type: MCMODEL 1183 * There should be 1 NOTE per executable. 1184 * name: NetBSD\0 1185 * namesz: 7 1186 * code model: string 1187 */ 1188 1189 #define ELF_NOTE_TYPE_MCMODEL_TAG 6 1190 /* NetBSD-specific note name and description sizes */ 1191 #define ELF_NOTE_MCMODEL_NAMESZ ELF_NOTE_NETBSD_NAMESZ 1192 /* NetBSD-specific note name */ 1193 #define ELF_NOTE_MCMODEL_NAME ELF_NOTE_NETBSD_NAME 1194 1195 #if !defined(ELFSIZE) 1196 # if defined(_RUMPKERNEL) || !defined(_KERNEL) 1197 # define ELFSIZE ARCH_ELFSIZE 1198 # else 1199 # define ELFSIZE KERN_ELFSIZE 1200 # endif 1201 #endif 1202 1203 #if defined(ELFSIZE) 1204 #define CONCAT(x,y) __CONCAT(x,y) 1205 #define ELFNAME(x) CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x))) 1206 #define ELFNAME2(x,y) CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y)))) 1207 #define ELFNAMEEND(x) CONCAT(x,CONCAT(_elf,ELFSIZE)) 1208 #define ELFDEFNNAME(x) CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x))) 1209 #define ElfW(x) CONCAT(Elf,CONCAT(ELFSIZE,CONCAT(_,x))) 1210 #endif 1211 1212 #if defined(ELFSIZE) && (ELFSIZE == 32) 1213 #define Elf_Ehdr Elf32_Ehdr 1214 #define Elf_Phdr Elf32_Phdr 1215 #define Elf_Shdr Elf32_Shdr 1216 #define Elf_Sym Elf32_Sym 1217 #define Elf_Rel Elf32_Rel 1218 #define Elf_Rela Elf32_Rela 1219 #define Elf_Relr Elf32_Relr 1220 #define Elf_Dyn Elf32_Dyn 1221 #define Elf_Word Elf32_Word 1222 #define Elf_Sword Elf32_Sword 1223 #define Elf_Half Elf32_Half 1224 #define Elf_Addr Elf32_Addr 1225 #define Elf_Off Elf32_Off 1226 #define Elf_SOff Elf32_SOff 1227 #define Elf_Nhdr Elf32_Nhdr 1228 #define Elf_Verdef Elf32_Verdef 1229 #define Elf_Verdaux Elf32_Verdaux 1230 #define Elf_Verneed Elf32_Verneed 1231 #define Elf_Vernaux Elf32_Vernaux 1232 #define Elf_Versym Elf32_Versym 1233 1234 #define ELF_R_SYM ELF32_R_SYM 1235 #define ELF_R_TYPE ELF32_R_TYPE 1236 #define ELFCLASS ELFCLASS32 1237 1238 #define AuxInfo Aux32Info 1239 #elif defined(ELFSIZE) && (ELFSIZE == 64) 1240 #define Elf_Ehdr Elf64_Ehdr 1241 #define Elf_Phdr Elf64_Phdr 1242 #define Elf_Shdr Elf64_Shdr 1243 #define Elf_Sym Elf64_Sym 1244 #define Elf_Rel Elf64_Rel 1245 #define Elf_Rela Elf64_Rela 1246 #define Elf_Relr Elf64_Relr 1247 #define Elf_Dyn Elf64_Dyn 1248 #define Elf_Word Elf64_Word 1249 #define Elf_Sword Elf64_Sword 1250 #define Elf_Half Elf64_Half 1251 #define Elf_Addr Elf64_Addr 1252 #define Elf_Off Elf64_Off 1253 #define Elf_SOff Elf64_SOff 1254 #define Elf_Nhdr Elf64_Nhdr 1255 #define Elf_Verdef Elf64_Verdef 1256 #define Elf_Verdaux Elf64_Verdaux 1257 #define Elf_Verneed Elf64_Verneed 1258 #define Elf_Vernaux Elf64_Vernaux 1259 #define Elf_Versym Elf64_Versym 1260 1261 #define ELF_R_SYM ELF64_R_SYM 1262 #define ELF_R_TYPE ELF64_R_TYPE 1263 #define ELFCLASS ELFCLASS64 1264 1265 #define AuxInfo Aux64Info 1266 #endif 1267 1268 #ifndef Elf_Symindx 1269 #define Elf_Symindx uint32_t 1270 #endif 1271 1272 #define ELF32_ST_BIND(info) ELF_ST_BIND(info) 1273 #define ELF32_ST_TYPE(info) ELF_ST_TYPE(info) 1274 #define ELF32_ST_INFO(bind,type) ELF_ST_INFO(bind,type) 1275 #define ELF32_ST_VISIBILITY(other) ELF_ST_VISIBILITY(other) 1276 1277 #define ELF64_ST_BIND(info) ELF_ST_BIND(info) 1278 #define ELF64_ST_TYPE(info) ELF_ST_TYPE(info) 1279 #define ELF64_ST_INFO(bind,type) ELF_ST_INFO(bind,type) 1280 #define ELF64_ST_VISIBILITY(other) ELF_ST_VISIBILITY(other) 1281 1282 typedef struct { 1283 Elf32_Half si_boundto; /* direct bindings - symbol bound to */ 1284 Elf32_Half si_flags; /* per symbol flags */ 1285 } Elf32_Syminfo; 1286 1287 typedef struct { 1288 Elf64_Word si_boundto; /* direct bindings - symbol bound to */ 1289 Elf64_Word si_flags; /* per symbol flags */ 1290 } Elf64_Syminfo; 1291 1292 #define SYMINFO_FLG_DIRECT 0x0001 /* symbol ref has direct association 1293 to object containing definition */ 1294 #define SYMINFO_FLG_PASSTHRU 0x0002 /* ignored - see SYMINFO_FLG_FILTER */ 1295 #define SYMINFO_FLG_COPY 0x0004 /* symbol is a copy-reloc */ 1296 #define SYMINFO_FLG_LAZYLOAD 0x0008 /* object containing defn should be 1297 lazily-loaded */ 1298 #define SYMINFO_FLG_DIRECTBIND 0x0010 /* ref should be bound directly to 1299 object containing definition */ 1300 #define SYMINFO_FLG_NOEXTDIRECT 0x0020 /* don't let an external reference 1301 directly bind to this symbol */ 1302 #define SYMINFO_FLG_FILTER 0x0002 /* symbol ref is associated to a */ 1303 #define SYMINFO_FLG_AUXILIARY 0x0040 /* standard or auxiliary filter */ 1304 1305 #define SYMINFO_BT_SELF 0xffff /* symbol bound to self */ 1306 #define SYMINFO_BT_PARENT 0xfffe /* symbol bound to parent */ 1307 #define SYMINFO_BT_NONE 0xfffd /* no special symbol binding */ 1308 #define SYMINFO_BT_EXTERN 0xfffc /* symbol defined as external */ 1309 #define SYMINFO_BT_LOWRESERVE 0xff00 /* beginning of reserved entries */ 1310 1311 #define SYMINFO_NONE 0 /* Syminfo version */ 1312 #define SYMINFO_CURRENT 1 1313 #define SYMINFO_NUM 2 1314 1315 /* 1316 * These constants are used for Elf32_Verdef struct's version number. 1317 */ 1318 #define VER_DEF_NONE 0 1319 #define VER_DEF_CURRENT 1 1320 1321 /* 1322 * These constants are used for Elf32_Verdef struct's vd_ndx. 1323 */ 1324 #define VER_DEF_IDX(x) VER_NDX(x) 1325 1326 /* 1327 * These constants are used for Elf32_Verdef struct's vd_flags. 1328 */ 1329 #define VER_FLG_BASE 0x1 1330 #define VER_FLG_WEAK 0x2 1331 1332 /* 1333 * These are used in an Elf32_Versym field. 1334 */ 1335 #define VER_NDX_LOCAL 0 1336 #define VER_NDX_GLOBAL 1 1337 #define VER_NDX_GIVEN 2 1338 1339 /* 1340 * These constants are used for Elf32_Verneed struct's version number. 1341 */ 1342 #define VER_NEED_NONE 0 1343 #define VER_NEED_CURRENT 1 1344 1345 /* 1346 * These constants are used for Elf32_Vernaux struct's vna_other. 1347 */ 1348 #define VER_NEED_HIDDEN VER_NDX_HIDDEN 1349 #define VER_NEED_IDX(x) VER_NDX(x) 1350 1351 /* index */ 1352 #define VER_NDX_HIDDEN 0x8000 1353 #define VER_NDX(x) ((x) & ~VER_NDX_HIDDEN) 1354 1355 /* 1356 * GNU Extension hiding symbol 1357 */ 1358 #define VERSYM_HIDDEN 0x8000 1359 #define VERSYM_VERSION 0x7fff 1360 1361 #define ELF_VER_CHR '@' 1362 1363 /* 1364 * These are current size independent. 1365 */ 1366 1367 typedef struct { 1368 Elf32_Half vd_version; /* version number of structure */ 1369 Elf32_Half vd_flags; /* flags (VER_FLG_*) */ 1370 Elf32_Half vd_ndx; /* version index */ 1371 Elf32_Half vd_cnt; /* number of verdaux entries */ 1372 Elf32_Word vd_hash; /* hash of name */ 1373 Elf32_Word vd_aux; /* offset to verdaux entries */ 1374 Elf32_Word vd_next; /* offset to next verdef */ 1375 } Elf32_Verdef; 1376 typedef Elf32_Verdef Elf64_Verdef; 1377 1378 typedef struct { 1379 Elf32_Word vda_name; /* string table offset of name */ 1380 Elf32_Word vda_next; /* offset to verdaux */ 1381 } Elf32_Verdaux; 1382 typedef Elf32_Verdaux Elf64_Verdaux; 1383 1384 typedef struct { 1385 Elf32_Half vn_version; /* version number of structure */ 1386 Elf32_Half vn_cnt; /* number of vernaux entries */ 1387 Elf32_Word vn_file; /* string table offset of library name*/ 1388 Elf32_Word vn_aux; /* offset to vernaux entries */ 1389 Elf32_Word vn_next; /* offset to next verneed */ 1390 } Elf32_Verneed; 1391 typedef Elf32_Verneed Elf64_Verneed; 1392 1393 typedef struct { 1394 Elf32_Word vna_hash; /* Hash of dependency name */ 1395 Elf32_Half vna_flags; /* flags (VER_FLG_*) */ 1396 Elf32_Half vna_other; /* unused */ 1397 Elf32_Word vna_name; /* string table offset to version name*/ 1398 Elf32_Word vna_next; /* offset to next vernaux */ 1399 } Elf32_Vernaux; 1400 typedef Elf32_Vernaux Elf64_Vernaux; 1401 1402 typedef struct { 1403 Elf32_Half vs_vers; 1404 } Elf32_Versym; 1405 typedef Elf32_Versym Elf64_Versym; 1406 1407 #ifdef _KERNEL 1408 1409 /* 1410 * Arbitrary limits to avoid DoS for excessive memory allocation. 1411 */ 1412 #define ELF_MAXPHNUM 128 1413 #define ELF_MAXSHNUM 32768 1414 #define ELF_MAXNOTESIZE 1024 1415 1416 #define ELF_AUX_ENTRIES 15 /* Max size of aux array passed to loader */ 1417 #define ELF32_NO_ADDR (~(Elf32_Addr)0) /* Indicates addr. not yet filled in */ 1418 #define ELF32_LINK_ADDR ((Elf32_Addr)-2) /* advises to use link address */ 1419 #define ELF64_NO_ADDR (~(Elf64_Addr)0) /* Indicates addr. not yet filled in */ 1420 #define ELF64_LINK_ADDR ((Elf64_Addr)-2) /* advises to use link address */ 1421 1422 #if defined(ELFSIZE) && (ELFSIZE == 64) 1423 #define ELF_NO_ADDR ELF64_NO_ADDR 1424 #define ELF_LINK_ADDR ELF64_LINK_ADDR 1425 #elif defined(ELFSIZE) && (ELFSIZE == 32) 1426 #define ELF_NO_ADDR ELF32_NO_ADDR 1427 #define ELF_LINK_ADDR ELF32_LINK_ADDR 1428 #endif 1429 1430 #ifndef ELF32_EHDR_FLAGS_OK 1431 #define ELF32_EHDR_FLAGS_OK(eh) 1 1432 #endif 1433 1434 #ifndef ELF64_EHDR_FLAGS_OK 1435 #define ELF64_EHDR_FLAGS_OK(eh) 1 1436 #endif 1437 1438 #if defined(ELFSIZE) && (ELFSIZE == 64) 1439 #define ELF_EHDR_FLAGS_OK(eh) ELF64_EHDR_FLAGS_OK(eh) 1440 #else 1441 #define ELF_EHDR_FLAGS_OK(eh) ELF32_EHDR_FLAGS_OK(eh) 1442 #endif 1443 1444 #if defined(ELFSIZE) 1445 struct elf_args { 1446 Elf_Addr arg_entry; /* program entry point */ 1447 Elf_Addr arg_interp; /* Interpreter load address */ 1448 Elf_Addr arg_phaddr; /* program header address */ 1449 Elf_Addr arg_phentsize; /* Size of program header */ 1450 Elf_Addr arg_phnum; /* Number of program headers */ 1451 }; 1452 #endif 1453 1454 #ifdef _KERNEL_OPT 1455 #include "opt_execfmt.h" 1456 #endif 1457 1458 struct ps_strings; 1459 struct coredump_iostate; 1460 struct note_state; 1461 struct exec_package; 1462 1463 #ifdef EXEC_ELF32 1464 int exec_elf32_makecmds(struct lwp *, struct exec_package *); 1465 int elf32_populate_auxv(struct lwp *, struct exec_package *, char **); 1466 int elf32_copyargs(struct lwp *, struct exec_package *, 1467 struct ps_strings *, char **, void *); 1468 1469 int elf32_check_header(Elf32_Ehdr *); 1470 #endif 1471 1472 int real_coredump_elf32(struct lwp *, struct coredump_iostate *); 1473 int coredump_elf32(struct lwp *, struct coredump_iostate *); 1474 void coredump_savenote_elf32(struct note_state *, unsigned int, 1475 const char *, void *, size_t); 1476 1477 #ifdef EXEC_ELF64 1478 int exec_elf64_makecmds(struct lwp *, struct exec_package *); 1479 int elf64_populate_auxv(struct lwp *, struct exec_package *, char **); 1480 int elf64_copyargs(struct lwp *, struct exec_package *, 1481 struct ps_strings *, char **, void *); 1482 1483 int elf64_check_header(Elf64_Ehdr *); 1484 #endif 1485 1486 int real_coredump_elf64(struct lwp *, struct coredump_iostate *); 1487 int coredump_elf64(struct lwp *, struct coredump_iostate *); 1488 void coredump_savenote_elf64(struct note_state *, unsigned int, 1489 const char *, void *, size_t); 1490 1491 #endif /* _KERNEL */ 1492 1493 #endif /* !_SYS_EXEC_ELF_H_ */ 1494
Indexes created Sat Sep 20 22:09:52 GMT 2025