1 /*- 2 * Copyright (c) 1998 John D. Polstra. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #ifndef _SYS_ELF_COMMON_H_ 28 #define _SYS_ELF_COMMON_H_ 29 30 #ifndef _SYS_TYPES_H_ 31 #include <sys/types.h> 32 #endif 33 34 /* 35 * ELF definitions that are independent of architecture or word size. 36 */ 37 38 /* 39 * Note header. The ".note" section contains an array of notes. Each 40 * begins with this header, aligned to a word boundary. Immediately 41 * following the note header is n_namesz bytes of name, padded to the 42 * next word boundary. Then comes n_descsz bytes of descriptor, again 43 * padded to a word boundary. The values of n_namesz and n_descsz do 44 * not include the padding. 45 */ 46 47 typedef struct { 48 uint32_t n_namesz; /* Length of name. */ 49 uint32_t n_descsz; /* Length of descriptor. */ 50 uint32_t n_type; /* Type of this note. */ 51 } Elf_Note; 52 typedef Elf_Note Elf_Nhdr; 53 54 /* Indexes into the e_ident array. Keep synced with 55 http://www.sco.com/developers/gabi/latest/ch4.eheader.html */ 56 #define EI_MAG0 0 /* Magic number, byte 0. */ 57 #define EI_MAG1 1 /* Magic number, byte 1. */ 58 #define EI_MAG2 2 /* Magic number, byte 2. */ 59 #define EI_MAG3 3 /* Magic number, byte 3. */ 60 #define EI_CLASS 4 /* Class of machine. */ 61 #define EI_DATA 5 /* Data format. */ 62 #define EI_VERSION 6 /* ELF format version. */ 63 #define EI_OSABI 7 /* Operating system / ABI identification */ 64 #define EI_ABIVERSION 8 /* ABI version */ 65 #define EI_PAD 9 /* Start of padding (per SVR4 ABI). */ 66 #define EI_NIDENT 16 /* Size of e_ident array. */ 67 68 /* Values for the magic number bytes. */ 69 #define ELFMAG0 0x7f 70 #define ELFMAG1 'E' 71 #define ELFMAG2 'L' 72 #define ELFMAG3 'F' 73 #define ELFMAG "\177ELF" /* magic string */ 74 #define SELFMAG 4 /* magic string size */ 75 76 /* Values for e_ident[EI_VERSION] and e_version. */ 77 #define EV_NONE 0 78 #define EV_CURRENT 1 79 80 /* Values for e_ident[EI_CLASS]. */ 81 #define ELFCLASSNONE 0 /* Unknown class. */ 82 #define ELFCLASS32 1 /* 32-bit architecture. */ 83 #define ELFCLASS64 2 /* 64-bit architecture. */ 84 85 /* Values for e_ident[EI_DATA]. */ 86 #define ELFDATANONE 0 /* Unknown data format. */ 87 #define ELFDATA2LSB 1 /* 2's complement little-endian. */ 88 #define ELFDATA2MSB 2 /* 2's complement big-endian. */ 89 90 /* Values for e_ident[EI_OSABI]. */ 91 #define ELFOSABI_SYSV 0 /* symbol used in old spec */ 92 #define ELFOSABI_NONE 0 /* UNIX System V ABI */ 93 #define ELFOSABI_HPUX 1 /* HP-UX operating system */ 94 #define ELFOSABI_NETBSD 2 /* NetBSD */ 95 #define ELFOSABI_GNU 3 /* GNU */ 96 #define ELFOSABI_LINUX 3 /* Alias for ELFOSABI_GNU */ 97 #define ELFOSABI_SOLARIS 6 /* Solaris */ 98 #define ELFOSABI_AIX 7 /* AIX */ 99 #define ELFOSABI_IRIX 8 /* IRIX */ 100 #define ELFOSABI_FREEBSD 9 /* FreeBSD */ 101 #define ELFOSABI_TRU64 10 /* TRU64 UNIX */ 102 #define ELFOSABI_MODESTO 11 /* Novell Modesto */ 103 #define ELFOSABI_OPENBSD 12 /* OpenBSD */ 104 #define ELFOSABI_OPENVMS 13 /* OpenVMS */ 105 #define ELFOSABI_NSK 14 /* Hewlett-Packard Non-Stop Kernel */ 106 #define ELFOSABI_AROS 15 /* AROS */ 107 #define ELFOSABI_FENIXOS 16 /* FenixOS */ 108 #define ELFOSABI_C6000_ELFABI 64 /* Bare-metal TMS320C6000 */ 109 #define ELFOSABI_C6000_LINUX 65 /* Linux TMS320C6000 */ 110 #define ELFOSABI_ARM 97 /* ARM */ 111 #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ 112 113 /* e_ident */ 114 #define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \ 115 (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \ 116 (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \ 117 (ehdr).e_ident[EI_MAG3] == ELFMAG3) 118 119 /* Values for e_type, which identifies the object file type. */ 120 121 #define ET_NONE 0 /* No file type */ 122 #define ET_REL 1 /* Relocatable file */ 123 #define ET_EXEC 2 /* Executable file */ 124 #define ET_DYN 3 /* Shared object file */ 125 #define ET_CORE 4 /* Core file */ 126 #define ET_LOOS 0xFE00 /* Operating system-specific */ 127 #define ET_HIOS 0xFEFF /* Operating system-specific */ 128 #define ET_LOPROC 0xFF00 /* Processor-specific */ 129 #define ET_HIPROC 0xFFFF /* Processor-specific */ 130 131 /* Values for e_machine, which identifies the architecture. These numbers 132 are officially assigned by registry@sco.com. See below for a list of 133 ad-hoc numbers used during initial development. */ 134 135 #define EM_NONE 0 /* No machine */ 136 #define EM_M32 1 /* AT&T WE 32100 */ 137 #define EM_SPARC 2 /* SUN SPARC */ 138 #define EM_386 3 /* Intel 80386 */ 139 #define EM_68K 4 /* Motorola m68k family */ 140 #define EM_88K 5 /* Motorola m88k family */ 141 #define EM_486 6 /* Intel 80486 *//* Reserved for future use */ 142 #define EM_860 7 /* Intel 80860 */ 143 #define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */ 144 #define EM_S370 9 /* IBM System/370 */ 145 #define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian (Oct 4 1999 Draft) Deprecated */ 146 #define EM_res011 11 /* Reserved */ 147 #define EM_res012 12 /* Reserved */ 148 #define EM_res013 13 /* Reserved */ 149 #define EM_res014 14 /* Reserved */ 150 #define EM_PARISC 15 /* HPPA */ 151 #define EM_res016 16 /* Reserved */ 152 #define EM_VPP550 17 /* Fujitsu VPP500 */ 153 #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ 154 #define EM_960 19 /* Intel 80960 */ 155 #define EM_PPC 20 /* PowerPC */ 156 #define EM_PPC64 21 /* 64-bit PowerPC */ 157 #define EM_S390 22 /* IBM S/390 */ 158 #define EM_SPU 23 /* Sony/Toshiba/IBM SPU */ 159 #define EM_res024 24 /* Reserved */ 160 #define EM_res025 25 /* Reserved */ 161 #define EM_res026 26 /* Reserved */ 162 #define EM_res027 27 /* Reserved */ 163 #define EM_res028 28 /* Reserved */ 164 #define EM_res029 29 /* Reserved */ 165 #define EM_res030 30 /* Reserved */ 166 #define EM_res031 31 /* Reserved */ 167 #define EM_res032 32 /* Reserved */ 168 #define EM_res033 33 /* Reserved */ 169 #define EM_res034 34 /* Reserved */ 170 #define EM_res035 35 /* Reserved */ 171 #define EM_V800 36 /* NEC V800 series */ 172 #define EM_FR20 37 /* Fujitsu FR20 */ 173 #define EM_RH32 38 /* TRW RH32 */ 174 #define EM_MCORE 39 /* Motorola M*Core */ /* May also be taken by Fujitsu MMA */ 175 #define EM_RCE 39 /* Old name for MCore */ 176 #define EM_ARM 40 /* ARM */ 177 #define EM_OLD_ALPHA 41 /* Digital Alpha */ 178 #define EM_SH 42 /* Renesas (formerly Hitachi) / SuperH SH */ 179 #define EM_SPARCV9 43 /* SPARC v9 64-bit */ 180 #define EM_TRICORE 44 /* Siemens Tricore embedded processor */ 181 #define EM_ARC 45 /* ARC Cores */ 182 #define EM_H8_300 46 /* Renesas (formerly Hitachi) H8/300 */ 183 #define EM_H8_300H 47 /* Renesas (formerly Hitachi) H8/300H */ 184 #define EM_H8S 48 /* Renesas (formerly Hitachi) H8S */ 185 #define EM_H8_500 49 /* Renesas (formerly Hitachi) H8/500 */ 186 #define EM_IA_64 50 /* Intel IA-64 Processor */ 187 #define EM_MIPS_X 51 /* Stanford MIPS-X */ 188 #define EM_COLDFIRE 52 /* Motorola Coldfire */ 189 #define EM_68HC12 53 /* Motorola M68HC12 */ 190 #define EM_MMA 54 /* Fujitsu Multimedia Accelerator */ 191 #define EM_PCP 55 /* Siemens PCP */ 192 #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */ 193 #define EM_NDR1 57 /* Denso NDR1 microprocessor */ 194 #define EM_STARCORE 58 /* Motorola Star*Core processor */ 195 #define EM_ME16 59 /* Toyota ME16 processor */ 196 #define EM_ST100 60 /* STMicroelectronics ST100 processor */ 197 #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded processor */ 198 #define EM_X86_64 62 /* Advanced Micro Devices X86-64 processor */ 199 #define EM_AMD64 62 /* Advanced Micro Devices X86-64 (compat) */ 200 #define EM_PDSP 63 /* Sony DSP Processor */ 201 #define EM_PDP10 64 /* Digital Equipment Corp. PDP-10 */ 202 #define EM_PDP11 65 /* Digital Equipment Corp. PDP-11 */ 203 #define EM_FX66 66 /* Siemens FX66 microcontroller */ 204 #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */ 205 #define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */ 206 #define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */ 207 #define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */ 208 #define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */ 209 #define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */ 210 #define EM_SVX 73 /* Silicon Graphics SVx */ 211 #define EM_ST19 74 /* STMicroelectronics ST19 8-bit cpu */ 212 #define EM_VAX 75 /* Digital VAX */ 213 #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */ 214 #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded cpu */ 215 #define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */ 216 #define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */ 217 #define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */ 218 #define EM_HUANY 81 /* Harvard's machine-independent format */ 219 #define EM_PRISM 82 /* SiTera Prism */ 220 #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */ 221 #define EM_FR30 84 /* Fujitsu FR30 */ 222 #define EM_D10V 85 /* Mitsubishi D10V */ 223 #define EM_D30V 86 /* Mitsubishi D30V */ 224 #define EM_V850 87 /* Renesas V850 (formerly NEC V850) */ 225 #define EM_M32R 88 /* Renesas M32R (formerly Mitsubishi M32R) */ 226 #define EM_MN10300 89 /* Matsushita MN10300 */ 227 #define EM_MN10200 90 /* Matsushita MN10200 */ 228 #define EM_PJ 91 /* picoJava */ 229 #define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ 230 #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */ 231 #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ 232 #define EM_VIDEOCORE 95 /* Alphamosaic VideoCore processor */ 233 #define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Processor */ 234 #define EM_NS32K 97 /* National Semiconductor 32000 series */ 235 #define EM_TPC 98 /* Tenor Network TPC processor */ 236 #define EM_SNP1K 99 /* Trebia SNP 1000 processor */ 237 #define EM_ST200 100 /* STMicroelectronics ST200 microcontroller */ 238 #define EM_IP2K 101 /* Ubicom IP2022 micro controller */ 239 #define EM_MAX 102 /* MAX Processor */ 240 #define EM_CR 103 /* National Semiconductor CompactRISC */ 241 #define EM_F2MC16 104 /* Fujitsu F2MC16 */ 242 #define EM_MSP430 105 /* TI msp430 micro controller */ 243 #define EM_BLACKFIN 106 /* ADI Blackfin */ 244 #define EM_SE_C33 107 /* S1C33 Family of Seiko Epson processors */ 245 #define EM_SEP 108 /* Sharp embedded microprocessor */ 246 #define EM_ARCA 109 /* Arca RISC Microprocessor */ 247 #define EM_UNICORE 110 /* Microprocessor series from PKU-Unity Ltd. and MPRC of Peking University */ 248 #define EM_EXCESS 111 /* eXcess: 16/32/64-bit configurable embedded CPU */ 249 #define EM_DXP 112 /* Icera Semiconductor Inc. Deep Execution Processor */ 250 #define EM_ALTERA_NIOS2 113 /* Altera Nios II soft-core processor */ 251 #define EM_CRX 114 /* National Semiconductor CRX */ 252 #define EM_XGATE 115 /* Motorola XGATE embedded processor */ 253 #define EM_C166 116 /* Infineon C16x/XC16x processor */ 254 #define EM_M16C 117 /* Renesas M16C series microprocessors */ 255 #define EM_DSPIC30F 118 /* Microchip Technology dsPIC30F Digital Signal Controller */ 256 #define EM_CE 119 /* Freescale Communication Engine RISC core */ 257 #define EM_M32C 120 /* Renesas M32C series microprocessors */ 258 #define EM_res121 121 /* Reserved */ 259 #define EM_res122 122 /* Reserved */ 260 #define EM_res123 123 /* Reserved */ 261 #define EM_res124 124 /* Reserved */ 262 #define EM_res125 125 /* Reserved */ 263 #define EM_res126 126 /* Reserved */ 264 #define EM_res127 127 /* Reserved */ 265 #define EM_res128 128 /* Reserved */ 266 #define EM_res129 129 /* Reserved */ 267 #define EM_res130 130 /* Reserved */ 268 #define EM_TSK3000 131 /* Altium TSK3000 core */ 269 #define EM_RS08 132 /* Freescale RS08 embedded processor */ 270 #define EM_res133 133 /* Reserved */ 271 #define EM_ECOG2 134 /* Cyan Technology eCOG2 microprocessor */ 272 #define EM_SCORE 135 /* Sunplus Score */ 273 #define EM_SCORE7 135 /* Sunplus S+core7 RISC processor */ 274 #define EM_DSP24 136 /* New Japan Radio (NJR) 24-bit DSP Processor */ 275 #define EM_VIDEOCORE3 137 /* Broadcom VideoCore III processor */ 276 #define EM_LATTICEMICO32 138 /* RISC processor for Lattice FPGA architecture */ 277 #define EM_SE_C17 139 /* Seiko Epson C17 family */ 278 #define EM_TI_C6000 140 /* Texas Instruments TMS320C6000 DSP family */ 279 #define EM_TI_C2000 141 /* Texas Instruments TMS320C2000 DSP family */ 280 #define EM_TI_C5500 142 /* Texas Instruments TMS320C55x DSP family */ 281 #define EM_res143 143 /* Reserved */ 282 #define EM_res144 144 /* Reserved */ 283 #define EM_res145 145 /* Reserved */ 284 #define EM_res146 146 /* Reserved */ 285 #define EM_res147 147 /* Reserved */ 286 #define EM_res148 148 /* Reserved */ 287 #define EM_res149 149 /* Reserved */ 288 #define EM_res150 150 /* Reserved */ 289 #define EM_res151 151 /* Reserved */ 290 #define EM_res152 152 /* Reserved */ 291 #define EM_res153 153 /* Reserved */ 292 #define EM_res154 154 /* Reserved */ 293 #define EM_res155 155 /* Reserved */ 294 #define EM_res156 156 /* Reserved */ 295 #define EM_res157 157 /* Reserved */ 296 #define EM_res158 158 /* Reserved */ 297 #define EM_res159 159 /* Reserved */ 298 #define EM_MMDSP_PLUS 160 /* STMicroelectronics 64bit VLIW Data Signal Processor */ 299 #define EM_CYPRESS_M8C 161 /* Cypress M8C microprocessor */ 300 #define EM_R32C 162 /* Renesas R32C series microprocessors */ 301 #define EM_TRIMEDIA 163 /* NXP Semiconductors TriMedia architecture family */ 302 #define EM_QDSP6 164 /* QUALCOMM DSP6 Processor */ 303 #define EM_8051 165 /* Intel 8051 and variants */ 304 #define EM_STXP7X 166 /* STMicroelectronics STxP7x family */ 305 #define EM_NDS32 167 /* Andes Technology compact code size embedded RISC processor family */ 306 #define EM_ECOG1 168 /* Cyan Technology eCOG1X family */ 307 #define EM_ECOG1X 168 /* Cyan Technology eCOG1X family */ 308 #define EM_MAXQ30 169 /* Dallas Semiconductor MAXQ30 Core Micro-controllers */ 309 #define EM_XIMO16 170 /* New Japan Radio (NJR) 16-bit DSP Processor */ 310 #define EM_MANIK 171 /* M2000 Reconfigurable RISC Microprocessor */ 311 #define EM_CRAYNV2 172 /* Cray Inc. NV2 vector architecture */ 312 #define EM_RX 173 /* Renesas RX family */ 313 #define EM_METAG 174 /* Imagination Technologies META processor architecture */ 314 #define EM_MCST_ELBRUS 175 /* MCST Elbrus general purpose hardware architecture */ 315 #define EM_ECOG16 176 /* Cyan Technology eCOG16 family */ 316 #define EM_CR16 177 /* National Semiconductor CompactRISC 16-bit processor */ 317 #define EM_ETPU 178 /* Freescale Extended Time Processing Unit */ 318 #define EM_SLE9X 179 /* Infineon Technologies SLE9X core */ 319 #define EM_L1OM 180 /* Intel L1OM */ 320 #define EM_K1OM 181 /* Intel K1OM */ 321 #define EM_INTEL182 182 /* Reserved by Intel */ 322 #define EM_res183 183 /* Reserved by ARM */ 323 #define EM_res184 184 /* Reserved by ARM */ 324 #define EM_AVR32 185 /* Atmel Corporation 32-bit microprocessor family */ 325 #define EM_STM8 186 /* STMicroeletronics STM8 8-bit microcontroller */ 326 #define EM_TILE64 187 /* Tilera TILE64 multicore architecture family */ 327 #define EM_TILEPRO 188 /* Tilera TILEPro multicore architecture family */ 328 #define EM_MICROBLAZE 189 /* Xilinx MicroBlaze 32-bit RISC soft processor core */ 329 #define EM_CUDA 190 /* NVIDIA CUDA architecture */ 330 #define EM_TILEGX 191 /* Tilera TILE-Gx multicore architecture family */ 331 332 /* Alpha backend magic number. Written in the absence of an ABI. */ 333 #define EM_ALPHA 0x9026 334 335 /* Special section indexes. */ 336 337 #define SHN_UNDEF 0 /* Undefined, missing, irrelevant. */ 338 #define SHN_LORESERVE 0xff00 /* First of reserved range. */ 339 #define SHN_LOPROC 0xff00 /* First processor-specific. */ 340 #define SHN_HIPROC 0xff1f /* Last processor-specific. */ 341 #define SHN_LOOS 0xff20 /* First operating system-specific. */ 342 #define SHN_HIOS 0xff3f /* Last operating system-specific. */ 343 #define SHN_ABS 0xfff1 /* Absolute values. */ 344 #define SHN_COMMON 0xfff2 /* Common data. */ 345 #define SHN_XINDEX 0xffff /* Escape -- index stored elsewhere. */ 346 #define SHN_HIRESERVE 0xffff /* Last of reserved range. */ 347 348 /* Values for program header, p_type field. */ 349 350 #define PT_NULL 0 /* Program header table entry unused */ 351 #define PT_LOAD 1 /* Loadable program segment */ 352 #define PT_DYNAMIC 2 /* Dynamic linking information */ 353 #define PT_INTERP 3 /* Program interpreter */ 354 #define PT_NOTE 4 /* Auxiliary information */ 355 #define PT_SHLIB 5 /* Reserved, unspecified semantics */ 356 #define PT_PHDR 6 /* Entry for header table itself */ 357 #define PT_TLS 7 /* Thread local storage segment */ 358 #define PT_LOOS 0x60000000 /* OS-specific */ 359 #define PT_HIOS 0x6fffffff /* OS-specific */ 360 #define PT_LOPROC 0x70000000 /* Processor-specific */ 361 #define PT_HIPROC 0x7FFFFFFF /* Processor-specific */ 362 363 #define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550) /* Frame unwind information */ 364 #define PT_SUNW_EH_FRAME PT_GNU_EH_FRAME /* Solaris uses the same value */ 365 #define PT_GNU_STACK (PT_LOOS + 0x474e551) /* Stack flags */ 366 #define PT_GNU_RELRO (PT_LOOS + 0x474e552) /* Read-only after relocation */ 367 368 /* Program segment permissions, in program header p_flags field. */ 369 370 #define PF_X 0x1 /* Segment is executable */ 371 #define PF_W 0x2 /* Segment is writable */ 372 #define PF_R 0x4 /* Segment is readable */ 373 #define PF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */ 374 #define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */ 375 376 /* Values for section header, sh_type field. */ 377 378 #define SHT_NULL 0 /* Section header table entry unused */ 379 #define SHT_PROGBITS 1 /* Program specific (private) data */ 380 #define SHT_SYMTAB 2 /* Link editing symbol table */ 381 #define SHT_STRTAB 3 /* A string table */ 382 #define SHT_RELA 4 /* Relocation entries with addends */ 383 #define SHT_HASH 5 /* A symbol hash table */ 384 #define SHT_DYNAMIC 6 /* Information for dynamic linking */ 385 #define SHT_NOTE 7 /* Information that marks file */ 386 #define SHT_NOBITS 8 /* Section occupies no space in file */ 387 #define SHT_REL 9 /* Relocation entries, no addends */ 388 #define SHT_SHLIB 10 /* Reserved, unspecified semantics */ 389 #define SHT_DYNSYM 11 /* Dynamic linking symbol table */ 390 391 #define SHT_INIT_ARRAY 14 /* Array of ptrs to init functions */ 392 #define SHT_FINI_ARRAY 15 /* Array of ptrs to finish functions */ 393 #define SHT_PREINIT_ARRAY 16 /* Array of ptrs to pre-init funcs */ 394 #define SHT_GROUP 17 /* Section contains a section group */ 395 #define SHT_SYMTAB_SHNDX 18 /* Indicies for SHN_XINDEX entries */ 396 397 #define SHT_LOOS 0x60000000 /* First of OS specific semantics */ 398 #define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */ 399 400 #define SHT_GNU_INCREMENTAL_INPUTS 0x6fff4700 /* incremental build data */ 401 #define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes */ 402 #define SHT_GNU_HASH 0x6ffffff6 /* GNU style symbol hash table */ 403 #define SHT_GNU_LIBLIST 0x6ffffff7 /* List of prelink dependencies */ 404 405 /* The next three section types are defined by Solaris, and are named 406 SHT_SUNW*. We use them in GNU code, so we also define SHT_GNU* 407 versions. */ 408 #define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */ 409 #define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */ 410 #define SHT_SUNW_versym 0x6fffffff /* Symbol versions */ 411 412 #define SHT_GNU_verdef SHT_SUNW_verdef 413 #define SHT_GNU_verneed SHT_SUNW_verneed 414 #define SHT_GNU_versym SHT_SUNW_versym 415 416 #define SHT_LOPROC 0x70000000 /* Processor-specific semantics, lo */ 417 #define SHT_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */ 418 #define SHT_LOUSER 0x80000000 /* Application-specific semantics */ 419 #define SHT_HIUSER 0xFFFFFFFF /* New value, defined in Oct 4, 1999 Draft */ 420 421 /* Values for section header, sh_flags field. */ 422 423 #define SHF_WRITE 0x1 /* Writable data during execution */ 424 #define SHF_ALLOC 0x2 /* Occupies memory during execution */ 425 #define SHF_EXECINSTR 0x4 /* Executable machine instructions */ 426 #define SHF_MERGE 0x10 /* Data in this section can be merged */ 427 #define SHF_STRINGS 0x20 /* Contains null terminated character strings */ 428 #define SHF_INFO_LINK 0x40 /* sh_info holds section header table index */ 429 #define SHF_LINK_ORDER 0x80 /* Preserve section ordering when linking */ 430 #define SHF_OS_NONCONFORMING 0x100 /* OS specific processing required */ 431 #define SHF_GROUP 0x200 /* Member of a section group */ 432 #define SHF_TLS 0x400 /* Thread local storage section */ 433 434 #define SHF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */ 435 #define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */ 436 437 /* Values of note segment descriptor types for core files. */ 438 439 #define NT_PRSTATUS 1 /* Contains copy of prstatus struct */ 440 #define NT_FPREGSET 2 /* Contains copy of fpregset struct */ 441 #define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */ 442 #define NT_TASKSTRUCT 4 /* Contains copy of task struct */ 443 #define NT_AUXV 6 /* Contains copy of Elfxx_auxv_t */ 444 445 /* GNU note types. */ 446 #define NT_GNU_ABI_TAG 1 447 #define NT_GNU_HWCAP 2 448 #define NT_GNU_BUILD_ID 3 449 #define NT_GNU_GOLD_VERSION 4 450 #define NT_GNU_PROPERTY_TYPE_0 5 451 452 #define GNU_PROPERTY_LOPROC 0xc0000000 453 #define GNU_PROPERTY_HIPROC 0xdfffffff 454 455 #define GNU_PROPERTY_X86_FEATURE_1_AND 0xc0000002 456 457 #define GNU_PROPERTY_X86_FEATURE_1_IBT 0x00000001 458 #define GNU_PROPERTY_X86_FEATURE_1_SHSTK 0x00000002 459 460 #define STN_UNDEF 0 /* Undefined symbol index */ 461 462 #define STB_LOCAL 0 /* Symbol not visible outside obj */ 463 #define STB_GLOBAL 1 /* Symbol visible outside obj */ 464 #define STB_WEAK 2 /* Like globals, lower precedence */ 465 #define STB_LOOS 10 /* OS-specific semantics */ 466 #define STB_GNU_UNIQUE 10 /* Symbol is unique in namespace */ 467 #define STB_HIOS 12 /* OS-specific semantics */ 468 #define STB_LOPROC 13 /* Processor-specific semantics */ 469 #define STB_HIPROC 15 /* Processor-specific semantics */ 470 471 #define STT_NOTYPE 0 /* Symbol type is unspecified */ 472 #define STT_OBJECT 1 /* Symbol is a data object */ 473 #define STT_FUNC 2 /* Symbol is a code object */ 474 #define STT_SECTION 3 /* Symbol associated with a section */ 475 #define STT_FILE 4 /* Symbol gives a file name */ 476 #define STT_COMMON 5 /* An uninitialised common block */ 477 #define STT_TLS 6 /* Thread local data object */ 478 #define STT_RELC 8 /* Complex relocation expression */ 479 #define STT_SRELC 9 /* Signed Complex relocation expression */ 480 #define STT_LOOS 10 /* OS-specific semantics */ 481 #define STT_GNU_IFUNC 10 /* Symbol is an indirect code object */ 482 #define STT_HIOS 12 /* OS-specific semantics */ 483 #define STT_LOPROC 13 /* Processor-specific semantics */ 484 #define STT_HIPROC 15 /* Processor-specific semantics */ 485 486 /* The following constants control how a symbol may be accessed once it has 487 become part of an executable or shared library. */ 488 489 #define STV_DEFAULT 0 /* Visibility is specified by binding type */ 490 #define STV_INTERNAL 1 /* OS specific version of STV_HIDDEN */ 491 #define STV_HIDDEN 2 /* Can only be seen inside currect component */ 492 #define STV_PROTECTED 3 /* Treat as STB_LOCAL inside current component */ 493 494 /* Dynamic section tags. */ 495 496 #define DT_NULL 0 /* Terminating entry. */ 497 #define DT_NEEDED 1 /* String table offset of a needed shared 498 library. */ 499 #define DT_PLTRELSZ 2 /* Total size in bytes of PLT relocations. */ 500 #define DT_PLTGOT 3 /* Processor-dependent address. */ 501 #define DT_HASH 4 /* Address of symbol hash table. */ 502 #define DT_STRTAB 5 /* Address of string table. */ 503 #define DT_SYMTAB 6 /* Address of symbol table. */ 504 #define DT_RELA 7 /* Address of ElfNN_Rela relocations. */ 505 #define DT_RELASZ 8 /* Total size of ElfNN_Rela relocations. */ 506 #define DT_RELAENT 9 /* Size of each ElfNN_Rela relocation entry. */ 507 #define DT_STRSZ 10 /* Size of string table. */ 508 #define DT_SYMENT 11 /* Size of each symbol table entry. */ 509 #define DT_INIT 12 /* Address of initialization function. */ 510 #define DT_FINI 13 /* Address of finalization function. */ 511 #define DT_SONAME 14 /* String table offset of shared object 512 name. */ 513 #define DT_RPATH 15 /* String table offset of library path. [sup] */ 514 #define DT_SYMBOLIC 16 /* Indicates "symbolic" linking. [sup] */ 515 #define DT_REL 17 /* Address of ElfNN_Rel relocations. */ 516 #define DT_RELSZ 18 /* Total size of ElfNN_Rel relocations. */ 517 #define DT_RELENT 19 /* Size of each ElfNN_Rel relocation. */ 518 #define DT_PLTREL 20 /* Type of relocation used for PLT. */ 519 #define DT_DEBUG 21 /* Reserved (not used). */ 520 #define DT_TEXTREL 22 /* Indicates there may be relocations in 521 non-writable segments. [sup] */ 522 #define DT_JMPREL 23 /* Address of PLT relocations. */ 523 #define DT_BIND_NOW 24 /* [sup] */ 524 #define DT_INIT_ARRAY 25 /* Address of the array of pointers to 525 initialization functions */ 526 #define DT_FINI_ARRAY 26 /* Address of the array of pointers to 527 termination functions */ 528 #define DT_INIT_ARRAYSZ 27 /* Size in bytes of the array of 529 initialization functions. */ 530 #define DT_FINI_ARRAYSZ 28 /* Size in bytes of the array of 531 terminationfunctions. */ 532 #define DT_RUNPATH 29 /* String table offset of a null-terminated 533 library search path string. */ 534 #define DT_FLAGS 30 /* Object specific flag values. */ 535 #define DT_ENCODING 32 /* Values greater than or equal to DT_ENCODING 536 and less than DT_LOOS follow the rules for 537 the interpretation of the d_un union 538 as follows: even == 'd_ptr', odd == 'd_val' 539 or none */ 540 #define DT_PREINIT_ARRAY 32 /* Address of the array of pointers to 541 pre-initialization functions. */ 542 #define DT_PREINIT_ARRAYSZ 33 /* Size in bytes of the array of 543 pre-initialization functions. */ 544 545 #define DT_LOOS 0x6000000d /* First OS-specific */ 546 #define DT_HIOS 0x6fff0000 /* Last OS-specific */ 547 548 /* The next 2 dynamic tag ranges, integer value range (DT_VALRNGLO to 549 DT_VALRNGHI) and virtual address range (DT_ADDRRNGLO to DT_ADDRRNGHI), 550 are used on Solaris. We support them everywhere. Note these values 551 lie outside of the (new) range for OS specific values. This is a 552 deliberate special case and we maintain it for backwards compatibility. 553 */ 554 #define DT_VALRNGLO 0x6ffffd00 555 #define DT_GNU_PRELINKED 0x6ffffdf5 556 #define DT_GNU_CONFLICTSZ 0x6ffffdf6 557 #define DT_GNU_LIBLISTSZ 0x6ffffdf7 558 #define DT_CHECKSUM 0x6ffffdf8 /* elf checksum */ 559 #define DT_PLTPADSZ 0x6ffffdf9 /* pltpadding size */ 560 #define DT_MOVEENT 0x6ffffdfa /* move table entry size */ 561 #define DT_MOVESZ 0x6ffffdfb /* move table size */ 562 #define DT_FEATURE 0x6ffffdfc /* feature holder */ 563 #define DT_POSFLAG_1 0x6ffffdfd /* flags for DT_* entries, effecting */ 564 /* the following DT_* entry. */ 565 /* See DF_P1_* definitions */ 566 #define DT_SYMINSZ 0x6ffffdfe /* syminfo table size (in bytes) */ 567 #define DT_SYMINENT 0x6ffffdff /* syminfo entry size (in bytes) */ 568 #define DT_VALRNGHI 0x6ffffdff 569 570 #define DT_ADDRRNGLO 0x6ffffe00 571 #define DT_GNU_HASH 0x6ffffef5 /* GNU-style hash table */ 572 #define DT_TLSDESC_PLT 0x6ffffef6 573 #define DT_TLSDESC_GOT 0x6ffffef7 574 #define DT_GNU_CONFLICT 0x6ffffef8 575 #define DT_GNU_LIBLIST 0x6ffffef9 576 #define DT_CONFIG 0x6ffffefa /* configuration information */ 577 #define DT_DEPAUDIT 0x6ffffefb /* dependency auditing */ 578 #define DT_AUDIT 0x6ffffefc /* object auditing */ 579 #define DT_PLTPAD 0x6ffffefd /* pltpadding (sparcv9) */ 580 #define DT_MOVETAB 0x6ffffefe /* move table */ 581 #define DT_SYMINFO 0x6ffffeff /* syminfo table */ 582 #define DT_ADDRRNGHI 0x6ffffeff 583 584 #define DT_RELACOUNT 0x6ffffff9 /* number of RELATIVE relocations */ 585 #define DT_RELCOUNT 0x6ffffffa /* number of RELATIVE relocations */ 586 #define DT_FLAGS_1 0x6ffffffb /* state flags - see DF_1_* defs */ 587 #define DT_VERDEF 0x6ffffffc /* Address of verdef section. */ 588 #define DT_VERDEFNUM 0x6ffffffd /* Number of elems in verdef section */ 589 #define DT_VERNEED 0x6ffffffe /* Address of verneed section. */ 590 #define DT_VERNEEDNUM 0x6fffffff /* Number of elems in verneed section */ 591 592 /* This tag is a GNU extension to the Solaris version scheme. */ 593 #define DT_VERSYM 0x6ffffff0 594 595 #define DT_LOPROC 0x70000000 /* First processor-specific type. */ 596 #define DT_HIPROC 0x7fffffff /* Last processor-specific type. */ 597 598 /* These section tags are used on Solaris. We support them 599 everywhere, and hope they do not conflict. */ 600 601 #define DT_AUXILIARY 0x7ffffffd /* shared library auxiliary name */ 602 #define DT_USED 0x7ffffffe /* ignored - same as needed */ 603 #define DT_FILTER 0x7fffffff /* shared library filter name */ 604 605 606 /* Values used in DT_FEATURE .dynamic entry. */ 607 #define DTF_1_PARINIT 0x00000001 608 /* From 609 610 http://docs.sun.com:80/ab2/coll.45.13/LLM/@Ab2PageView/21165?Ab2Lang=C&Ab2Enc=iso-8859-1 611 612 DTF_1_CONFEXP is the same as DTF_1_PARINIT. It is a typo. The value 613 defined here is the same as the one in <sys/link.h> on Solaris 8. */ 614 #define DTF_1_CONFEXP 0x00000002 615 616 /* Flag values used in the DT_POSFLAG_1 .dynamic entry. */ 617 #define DF_P1_LAZYLOAD 0x00000001 618 #define DF_P1_GROUPPERM 0x00000002 619 620 /* Flag value in in the DT_FLAGS_1 .dynamic entry. */ 621 #define DF_1_NOW 0x00000001 622 #define DF_1_BIND_NOW 0x00000001 /* Same as DF_BIND_NOW */ 623 #define DF_1_GLOBAL 0x00000002 /* Set the RTLD_GLOBAL for object */ 624 #define DF_1_GROUP 0x00000004 625 #define DF_1_NODELETE 0x00000008 /* Set the RTLD_NODELETE for object */ 626 #define DF_1_LOADFLTR 0x00000010 /* Immediate loading of filtees */ 627 #define DF_1_INITFIRST 0x00000020 628 #define DF_1_NOOPEN 0x00000040 /* Do not allow loading on dlopen() */ 629 #define DF_1_ORIGIN 0x00000080 /* Process $ORIGIN */ 630 #define DF_1_DIRECT 0x00000100 631 #define DF_1_TRANS 0x00000200 632 #define DF_1_INTERPOSE 0x00000400 633 #define DF_1_NODEFLIB 0x00000800 634 #define DF_1_NODUMP 0x00001000 635 #define DF_1_CONLFAT 0x00002000 636 637 /* Flag values for the DT_FLAGS entry. */ 638 #define DF_ORIGIN 0x1 /* Indicates that the object being loaded may 639 make reference to the $ORIGIN substitution 640 string */ 641 #define DF_SYMBOLIC 0x2 /* Indicates "symbolic" linking. */ 642 #define DF_TEXTREL 0x4 /* Indicates there may be relocations in 643 non-writable segments. */ 644 #define DF_BIND_NOW 0x8 /* Indicates that the dynamic linker should 645 process all relocations for the object 646 containing this entry before transferring 647 control to the program. */ 648 #define DF_STATIC_TLS 0x10 /* Indicates that the shared object or 649 executable contains code using a static 650 thread-local storage scheme. */ 651 652 /* These constants are used for the version number of a Elf32_Verdef 653 structure. */ 654 655 #define VER_DEF_NONE 0 656 #define VER_DEF_CURRENT 1 657 #define VER_DEF_IDX(x) VER_NDX(x) 658 659 /* These constants appear in the vd_flags field of a Elf32_Verdef 660 structure. 661 662 Cf. the Solaris Linker and Libraries Guide, Ch. 7, Object File Format, 663 Versioning Sections, for a description: 664 665 http://docs.sun.com/app/docs/doc/819-0690/chapter6-93046?l=en&a=view */ 666 667 #define VER_FLG_BASE 0x1 668 #define VER_FLG_WEAK 0x2 669 #define VER_FLG_INFO 0x4 670 671 /* These special constants can be found in an Elf32_Versym field. */ 672 673 #define VER_NDX_LOCAL 0 674 #define VER_NDX_GLOBAL 1 675 #define VER_NDX_GIVEN 2 676 #define VER_NDX_HIDDEN (1u << 15) 677 #define VER_NDX(x) ((x) & ~(1u << 15)) 678 /* These constants are used for the version number of a Elf32_Verneed 679 structure. */ 680 681 #define VER_NEED_NONE 0 682 #define VER_NEED_CURRENT 1 683 #define VER_NEED_WEAK (1u << 15) 684 #define VER_NEED_HIDDEN VER_NDX_HIDDEN 685 #define VER_NEED_IDX(x) VER_NDX(x) 686 687 /* This flag appears in a Versym structure. It means that the symbol 688 is hidden, and is only visible with an explicit version number. 689 This is a GNU extension. */ 690 691 #define VERSYM_HIDDEN 0x8000 692 693 /* This is the mask for the rest of the Versym information. */ 694 695 #define VERSYM_VERSION 0x7fff 696 697 /* This is a special token which appears as part of a symbol name. It 698 indictes that the rest of the name is actually the name of a 699 version node, and is not part of the actual name. This is a GNU 700 extension. For example, the symbol name `stat@ver2' is taken to 701 mean the symbol `stat' in version `ver2'. */ 702 703 #define ELF_VER_CHR '@' 704 705 /* Possible values for si_boundto. */ 706 707 #define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */ 708 #define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */ 709 #define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */ 710 711 /* Possible bitmasks for si_flags. */ 712 713 #define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */ 714 #define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */ 715 #define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */ 716 #define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy loaded */ 717 718 /* Syminfo version values. */ 719 720 #define SYMINFO_NONE 0 721 #define SYMINFO_CURRENT 1 722 #define SYMINFO_NUM 2 723 724 /* Section Group Flags. */ 725 726 #define GRP_COMDAT 0x1 /* A COMDAT group */ 727 728 #endif /* !_SYS_ELF_COMMON_H_ */ 729