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 * $FreeBSD: src/sys/sys/elf_common.h,v 1.37 2010/11/23 12:51:08 kib Exp $ 27 */ 28 29 #ifndef _SYS_ELF_COMMON_H_ 30 #define _SYS_ELF_COMMON_H_ 31 32 #ifndef _SYS_TYPES_H_ 33 #include <sys/types.h> 34 #endif 35 36 /* 37 * ELF definitions that are independent of architecture or word size. 38 */ 39 40 /* 41 * Note header. The ".note" section contains an array of notes. Each 42 * begins with this header, aligned to a word boundary. Immediately 43 * following the note header is n_namesz bytes of name, padded to the 44 * next word boundary. Then comes n_descsz bytes of descriptor, again 45 * padded to a word boundary. The values of n_namesz and n_descsz do 46 * not include the padding. 47 */ 48 49 typedef struct { 50 u_int32_t n_namesz; /* Length of name. */ 51 u_int32_t n_descsz; /* Length of descriptor. */ 52 u_int32_t n_type; /* Type of this note. */ 53 } Elf_Note; 54 55 /* Indexes into the e_ident array. Keep synced with 56 http://www.sco.com/developers/gabi/latest/ch4.eheader.html */ 57 #define EI_MAG0 0 /* Magic number, byte 0. */ 58 #define EI_MAG1 1 /* Magic number, byte 1. */ 59 #define EI_MAG2 2 /* Magic number, byte 2. */ 60 #define EI_MAG3 3 /* Magic number, byte 3. */ 61 #define EI_CLASS 4 /* Class of machine. */ 62 #define EI_DATA 5 /* Data format. */ 63 #define EI_VERSION 6 /* ELF format version. */ 64 #define EI_OSABI 7 /* Operating system / ABI identification */ 65 #define EI_ABIVERSION 8 /* ABI version */ 66 #define EI_PAD 9 /* Start of padding (per SVR4 ABI). */ 67 #define EI_NIDENT 16 /* Size of e_ident array. */ 68 69 /* Values for the magic number bytes. */ 70 #define ELFMAG0 0x7f 71 #define ELFMAG1 'E' 72 #define ELFMAG2 'L' 73 #define ELFMAG3 'F' 74 #define ELFMAG "\177ELF" /* magic string */ 75 #define SELFMAG 4 /* magic string size */ 76 77 /* Values for e_ident[EI_VERSION] and e_version. */ 78 #define EV_NONE 0 79 #define EV_CURRENT 1 80 81 /* Values for e_ident[EI_CLASS]. */ 82 #define ELFCLASSNONE 0 /* Unknown class. */ 83 #define ELFCLASS32 1 /* 32-bit architecture. */ 84 #define ELFCLASS64 2 /* 64-bit architecture. */ 85 86 /* Values for e_ident[EI_DATA]. */ 87 #define ELFDATANONE 0 /* Unknown data format. */ 88 #define ELFDATA2LSB 1 /* 2's complement little-endian. */ 89 #define ELFDATA2MSB 2 /* 2's complement big-endian. */ 90 91 /* Values for e_ident[EI_OSABI]. */ 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_LINUX 3 /* GNU/Linux */ 96 #define ELFOSABI_HURD 4 /* GNU/Hurd */ 97 #define ELFOSABI_86OPEN 5 /* 86Open common IA32 ABI */ 98 #define ELFOSABI_SOLARIS 6 /* Solaris */ 99 #define ELFOSABI_AIX 7 /* AIX */ 100 #define ELFOSABI_IRIX 8 /* IRIX */ 101 #define ELFOSABI_FREEBSD 9 /* FreeBSD */ 102 #define ELFOSABI_TRU64 10 /* TRU64 UNIX */ 103 #define ELFOSABI_MODESTO 11 /* Novell Modesto */ 104 #define ELFOSABI_OPENBSD 12 /* OpenBSD */ 105 #define ELFOSABI_OPENVMS 13 /* Open VMS */ 106 #define ELFOSABI_NSK 14 /* HP Non-Stop Kernel */ 107 #define ELFOSABI_AROS 15 /* Amiga Research OS */ 108 #define ELFOSABI_ARM 97 /* ARM */ 109 #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ 110 111 #define ELFOSABI_SYSV ELFOSABI_NONE /* symbol used in old spec */ 112 #define ELFOSABI_MONTEREY ELFOSABI_AIX /* Monterey */ 113 114 /* e_ident */ 115 #define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \ 116 (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \ 117 (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \ 118 (ehdr).e_ident[EI_MAG3] == ELFMAG3) 119 120 /* Values for e_type. */ 121 #define ET_NONE 0 /* Unknown type. */ 122 #define ET_REL 1 /* Relocatable. */ 123 #define ET_EXEC 2 /* Executable. */ 124 #define ET_DYN 3 /* Shared object. */ 125 #define ET_CORE 4 /* Core file. */ 126 #define ET_LOOS 0xfe00 /* First operating system specific. */ 127 #define ET_HIOS 0xfeff /* Last operating system-specific. */ 128 #define ET_LOPROC 0xff00 /* First processor-specific. */ 129 #define ET_HIPROC 0xffff /* Last processor-specific. */ 130 131 /* Values for e_machine. */ 132 #define EM_NONE 0 /* Unknown machine. */ 133 #define EM_M32 1 /* AT&T WE32100. */ 134 #define EM_SPARC 2 /* Sun SPARC. */ 135 #define EM_386 3 /* Intel i386. */ 136 #define EM_68K 4 /* Motorola 68000. */ 137 #define EM_88K 5 /* Motorola 88000. */ 138 #define EM_860 7 /* Intel i860. */ 139 #define EM_MIPS 8 /* MIPS R3000 Big-Endian only. */ 140 #define EM_S370 9 /* IBM System/370. */ 141 #define EM_MIPS_RS3_LE 10 /* MIPS R3000 Little-Endian. */ 142 #define EM_PARISC 15 /* HP PA-RISC. */ 143 #define EM_VPP500 17 /* Fujitsu VPP500. */ 144 #define EM_SPARC32PLUS 18 /* SPARC v8plus. */ 145 #define EM_960 19 /* Intel 80960. */ 146 #define EM_PPC 20 /* PowerPC 32-bit. */ 147 #define EM_PPC64 21 /* PowerPC 64-bit. */ 148 #define EM_S390 22 /* IBM System/390. */ 149 #define EM_V800 36 /* NEC V800. */ 150 #define EM_FR20 37 /* Fujitsu FR20. */ 151 #define EM_RH32 38 /* TRW RH-32. */ 152 #define EM_RCE 39 /* Motorola RCE. */ 153 #define EM_ARM 40 /* ARM. */ 154 #define EM_SH 42 /* Hitachi SH. */ 155 #define EM_SPARCV9 43 /* SPARC v9 64-bit. */ 156 #define EM_TRICORE 44 /* Siemens TriCore embedded processor. */ 157 #define EM_ARC 45 /* Argonaut RISC Core. */ 158 #define EM_H8_300 46 /* Hitachi H8/300. */ 159 #define EM_H8_300H 47 /* Hitachi H8/300H. */ 160 #define EM_H8S 48 /* Hitachi H8S. */ 161 #define EM_H8_500 49 /* Hitachi H8/500. */ 162 #define EM_IA_64 50 /* Intel IA-64 Processor. */ 163 #define EM_MIPS_X 51 /* Stanford MIPS-X. */ 164 #define EM_COLDFIRE 52 /* Motorola ColdFire. */ 165 #define EM_68HC12 53 /* Motorola M68HC12. */ 166 #define EM_MMA 54 /* Fujitsu MMA. */ 167 #define EM_PCP 55 /* Siemens PCP. */ 168 #define EM_NCPU 56 /* Sony nCPU. */ 169 #define EM_NDR1 57 /* Denso NDR1 microprocessor. */ 170 #define EM_STARCORE 58 /* Motorola Star*Core processor. */ 171 #define EM_ME16 59 /* Toyota ME16 processor. */ 172 #define EM_ST100 60 /* STMicroelectronics ST100 processor. */ 173 #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ processor. */ 174 #define EM_X86_64 62 /* Advanced Micro Devices x86-64 */ 175 #define EM_PDSP 63 /* Sony DSP Processor */ 176 #define EM_FX66 66 /* Siemens FX66 microcontroller */ 177 #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 mc */ 178 #define EM_ST7 68 /* STmicroelectronics ST7 8 bit mc */ 179 #define EM_68HC16 69 /* Motorola MC68HC16 microcontroller */ 180 #define EM_68HC11 70 /* Motorola MC68HC11 microcontroller */ 181 #define EM_68HC08 71 /* Motorola MC68HC08 microcontroller */ 182 #define EM_68HC05 72 /* Motorola MC68HC05 microcontroller */ 183 #define EM_SVX 73 /* Silicon Graphics SVx */ 184 #define EM_ST19 74 /* STMicroelectronics ST19 8 bit mc */ 185 #define EM_VAX 75 /* Digital VAX */ 186 #define EM_CRIS 76 /* Axis Comm. 32-bit embedded processor */ 187 #define EM_JAVELIN 77 /* Infineon Tech. 32-bit embedded processor */ 188 #define EM_FIREPATH 78 /* Element 14 64-bit DSP Processor */ 189 #define EM_ZSP 79 /* LSI Logic 16-bit DSP Processor */ 190 #define EM_MMIX 80 /* Donald Knuth's educational 64-bit proc */ 191 #define EM_HUANY 81 /* Harvard Uni. machine-independent obj files */ 192 #define EM_PRISM 82 /* SiTera Prism */ 193 #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */ 194 #define EM_FR30 84 /* Fujitsu FR30 */ 195 #define EM_D10V 85 /* Mitsubishi D10V */ 196 #define EM_D30V 86 /* Mitsubishi D30V */ 197 #define EM_V850 87 /* NEC v850 */ 198 #define EM_M32R 88 /* Mitsubishi M32R */ 199 #define EM_MN10300 89 /* Matsushita MN10300 */ 200 #define EM_MN10200 90 /* Matsushita MN10200 */ 201 #define EM_PJ 91 /* picoJava */ 202 #define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ 203 #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */ 204 #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ 205 #define EM_VIDEOCORE 95 /* Alphamosaic VideoCore processor */ 206 #define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Proc */ 207 #define EM_NS32K 97 /* National Semiconductor 32000 series */ 208 #define EM_TPC 98 /* Tenor Network TPC processor */ 209 #define EM_SNP1K 99 /* Trebia SNP 1000 processor */ 210 #define EM_ST200 100 /* STMicroelectronics ST200 microcontroller */ 211 #define EM_IP2K 101 /* Ubicom IP2xxx microcontroller family */ 212 #define EM_MAX 102 /* MAX Processor */ 213 #define EM_CR 103 /* NatSemi CompactRISC microprocessor */ 214 #define EM_F2MC16 104 /* Fujitsu F2MC16 */ 215 #define EM_MSP430 105 /* TI embedded microcontroller msp430 */ 216 #define EM_BLACKFIN 106 /* Analog Devices Blackfin (DSP) processor */ 217 #define EM_SE_C33 107 /* S1C33 Family of Seiko Epson processors */ 218 #define EM_SEP 108 /* Sharp embedded microprocessor */ 219 #define EM_ARCA 109 /* Arca RISC Microprocessor */ 220 #define EM_UNICORE 110 /* Microprocessor series from PKU-Unity Ltd. */ 221 /* and MPRC of Peking University */ 222 223 /* Non-standard or deprecated. */ 224 #define EM_486 6 /* Intel i486. */ 225 #define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */ 226 #define EM_ALPHA_STD 41 /* Digital Alpha (standard value). */ 227 228 #define EM_NUM 111 229 230 /* Special section indexes. */ 231 #define SHN_UNDEF 0 /* Undefined, missing, irrelevant. */ 232 #define SHN_LORESERVE 0xff00 /* First of reserved range. */ 233 #define SHN_LOPROC 0xff00 /* First processor-specific. */ 234 #define SHN_HIPROC 0xff1f /* Last processor-specific. */ 235 #define SHN_LOOS 0xff20 /* First operating system-specific. */ 236 #define SHN_HIOS 0xff3f /* Last operating system-specific. */ 237 #define SHN_ABS 0xfff1 /* Absolute values. */ 238 #define SHN_COMMON 0xfff2 /* Common data. */ 239 #define SHN_XINDEX 0xffff /* Escape -- index stored elsewhere. */ 240 #define SHN_HIRESERVE 0xffff /* Last of reserved range. */ 241 242 /* sh_type */ 243 #define SHT_NULL 0 /* inactive */ 244 #define SHT_PROGBITS 1 /* program defined information */ 245 #define SHT_SYMTAB 2 /* symbol table section */ 246 #define SHT_STRTAB 3 /* string table section */ 247 #define SHT_RELA 4 /* relocation section with addends */ 248 #define SHT_HASH 5 /* symbol hash table section */ 249 #define SHT_DYNAMIC 6 /* dynamic section */ 250 #define SHT_NOTE 7 /* note section */ 251 #define SHT_NOBITS 8 /* no space section */ 252 #define SHT_REL 9 /* relocation section - no addends */ 253 #define SHT_SHLIB 10 /* reserved - purpose unknown */ 254 #define SHT_DYNSYM 11 /* dynamic symbol table section */ 255 #define SHT_INIT_ARRAY 14 /* Initialization function pointers. */ 256 #define SHT_FINI_ARRAY 15 /* Termination function pointers. */ 257 #define SHT_PREINIT_ARRAY 16 /* Pre-initialization function ptrs. */ 258 #define SHT_GROUP 17 /* Section group. */ 259 #define SHT_SYMTAB_SHNDX 18 /* Section indexes (see SHN_XINDEX). */ 260 261 #define SHT_NUM 19 /* number of section types */ 262 263 #define SHT_LOOS 0x60000000 /* First of OS specific semantics */ 264 #define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */ 265 #define SHT_LOPROC 0x70000000 /* reserved range for processor */ 266 #define SHT_AMD64_UNWIND 0x70000001 /* unwind information */ 267 #define SHT_HIPROC 0x7fffffff /* specific section header types */ 268 #define SHT_LOUSER 0x80000000 /* reserved range for application */ 269 #define SHT_HIUSER 0xffffffff /* specific indexes */ 270 271 /* Flags for sh_flags. */ 272 #define SHF_WRITE 0x1 /* Section contains writable data. */ 273 #define SHF_ALLOC 0x2 /* Section occupies memory. */ 274 #define SHF_EXECINSTR 0x4 /* Section contains instructions. */ 275 #define SHF_MERGE 0x10 /* Section may be merged. */ 276 #define SHF_STRINGS 0x20 /* Section contains strings. */ 277 #define SHF_INFO_LINK 0x40 /* sh_info holds section index. */ 278 #define SHF_LINK_ORDER 0x80 /* Special ordering requirements. */ 279 #define SHF_OS_NONCONFORMING 0x100 /* OS-specific processing required. */ 280 #define SHF_GROUP 0x200 /* Member of section group. */ 281 #define SHF_TLS 0x400 /* Section contains TLS data. */ 282 #define SHF_MASKOS 0x0ff00000 /* OS-specific semantics. */ 283 #define SHF_MASKPROC 0xf0000000 /* Processor-specific semantics. */ 284 285 /* Section group flags. */ 286 #define GRP_COMDAT 0x1 /* Group is a COMDAT. */ 287 #define GRP_MASKOS 0x0ff00000 /* Reserved for OS-specific. */ 288 #define GRP_MASKPROC 0xf0000000 /* Reserved for processor-specific. */ 289 290 /* Values for p_type. */ 291 #define PT_NULL 0 /* Unused entry. */ 292 #define PT_LOAD 1 /* Loadable segment. */ 293 #define PT_DYNAMIC 2 /* Dynamic linking information segment. */ 294 #define PT_INTERP 3 /* Pathname of interpreter. */ 295 #define PT_NOTE 4 /* Auxiliary information. */ 296 #define PT_SHLIB 5 /* Reserved (not used). */ 297 #define PT_PHDR 6 /* Location of program header itself. */ 298 #define PT_TLS 7 /* Thread local storage segment */ 299 300 #define PT_COUNT 8 /* Number of defined p_type values. */ 301 302 #define PT_LOOS 0x60000000 /* First OS-specific. */ 303 #define PT_GNU_EH_FRAME 0x6474e550 304 #define PT_GNU_STACK 0x6474e551 305 #define PT_HIOS 0x6fffffff /* Last OS-specific. */ 306 #define PT_LOPROC 0x70000000 /* First processor-specific type. */ 307 #define PT_HIPROC 0x7fffffff /* Last processor-specific type. */ 308 309 /* Values for p_flags. */ 310 #define PF_X 0x1 /* Executable. */ 311 #define PF_W 0x2 /* Writable. */ 312 #define PF_R 0x4 /* Readable. */ 313 #define PF_MASKOS 0x0ff00000 /* Operating system-specific. */ 314 #define PF_MASKPROC 0xf0000000 /* Processor-specific. */ 315 316 /* Values for d_tag. */ 317 #define DT_NULL 0 /* Terminating entry. */ 318 #define DT_NEEDED 1 /* String table offset of a needed shared 319 library. */ 320 #define DT_PLTRELSZ 2 /* Total size in bytes of PLT relocations. */ 321 #define DT_PLTGOT 3 /* Processor-dependent address. */ 322 #define DT_HASH 4 /* Address of symbol hash table. */ 323 #define DT_STRTAB 5 /* Address of string table. */ 324 #define DT_SYMTAB 6 /* Address of symbol table. */ 325 #define DT_RELA 7 /* Address of ElfNN_Rela relocations. */ 326 #define DT_RELASZ 8 /* Total size of ElfNN_Rela relocations. */ 327 #define DT_RELAENT 9 /* Size of each ElfNN_Rela relocation entry. */ 328 #define DT_STRSZ 10 /* Size of string table. */ 329 #define DT_SYMENT 11 /* Size of each symbol table entry. */ 330 #define DT_INIT 12 /* Address of initialization function. */ 331 #define DT_FINI 13 /* Address of finalization function. */ 332 #define DT_SONAME 14 /* String table offset of shared object 333 name. */ 334 #define DT_RPATH 15 /* String table offset of library path. [sup] */ 335 #define DT_SYMBOLIC 16 /* Indicates "symbolic" linking. [sup] */ 336 #define DT_REL 17 /* Address of ElfNN_Rel relocations. */ 337 #define DT_RELSZ 18 /* Total size of ElfNN_Rel relocations. */ 338 #define DT_RELENT 19 /* Size of each ElfNN_Rel relocation. */ 339 #define DT_PLTREL 20 /* Type of relocation used for PLT. */ 340 #define DT_DEBUG 21 /* Reserved (not used). */ 341 #define DT_TEXTREL 22 /* Indicates there may be relocations in 342 non-writable segments. [sup] */ 343 #define DT_JMPREL 23 /* Address of PLT relocations. */ 344 #define DT_BIND_NOW 24 /* [sup] */ 345 #define DT_INIT_ARRAY 25 /* Address of the array of pointers to 346 initialization functions */ 347 #define DT_FINI_ARRAY 26 /* Address of the array of pointers to 348 termination functions */ 349 #define DT_INIT_ARRAYSZ 27 /* Size in bytes of the array of 350 initialization functions. */ 351 #define DT_FINI_ARRAYSZ 28 /* Size in bytes of the array of 352 terminationfunctions. */ 353 #define DT_RUNPATH 29 /* String table offset of a null-terminated 354 library search path string. */ 355 #define DT_FLAGS 30 /* Object specific flag values. */ 356 #define DT_ENCODING 32 /* Values greater than or equal to DT_ENCODING 357 and less than DT_LOOS follow the rules for 358 the interpretation of the d_un union 359 as follows: even == 'd_ptr', odd == 'd_val' 360 or none */ 361 #define DT_PREINIT_ARRAY 32 /* Address of the array of pointers to 362 pre-initialization functions. */ 363 #define DT_PREINIT_ARRAYSZ 33 /* Size in bytes of the array of 364 pre-initialization functions. */ 365 366 #define DT_COUNT 34 /* Number of defined d_tag values. */ 367 368 #define DT_LOOS 0x6000000d /* First OS-specific */ 369 #define DT_HIOS 0x6fff0000 /* Last OS-specific */ 370 371 /* 372 * DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the 373 * Dyn.d_un.d_val field of the Elf*_Dyn structure. 374 */ 375 #define DT_VALRNGLO 0x6ffffd00 376 #define DT_CHECKSUM 0x6ffffdf8 /* elf checksum */ 377 #define DT_PLTPADSZ 0x6ffffdf9 /* pltpadding size */ 378 #define DT_MOVEENT 0x6ffffdfa /* move table entry size */ 379 #define DT_MOVESZ 0x6ffffdfb /* move table size */ 380 #define DT_FEATURE_1 0x6ffffdfc /* feature holder */ 381 #define DT_POSFLAG_1 0x6ffffdfd /* flags for DT_* entries, effecting */ 382 /* the following DT_* entry. */ 383 /* See DF_P1_* definitions */ 384 #define DT_SYMINSZ 0x6ffffdfe /* syminfo table size (in bytes) */ 385 #define DT_SYMINENT 0x6ffffdff /* syminfo entry size (in bytes) */ 386 #define DT_VALRNGHI 0x6ffffdff 387 388 /* 389 * DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the 390 * Dyn.d_un.d_ptr field of the Elf*_Dyn structure. 391 * 392 * If any adjustment is made to the ELF object after it has been 393 * built, these entries will need to be adjusted. 394 */ 395 #define DT_ADDRRNGLO 0x6ffffe00 396 #define DT_GNU_HASH 0x6ffffef5 /* GNU-style hash table */ 397 #define DT_CONFIG 0x6ffffefa /* configuration information */ 398 #define DT_DEPAUDIT 0x6ffffefb /* dependency auditing */ 399 #define DT_AUDIT 0x6ffffefc /* object auditing */ 400 #define DT_PLTPAD 0x6ffffefd /* pltpadding (sparcv9) */ 401 #define DT_MOVETAB 0x6ffffefe /* move table */ 402 #define DT_SYMINFO 0x6ffffeff /* syminfo table */ 403 #define DT_ADDRRNGHI 0x6ffffeff 404 405 #define DT_VERSYM 0x6ffffff0 /* Address of versym section. */ 406 #define DT_RELACOUNT 0x6ffffff9 /* number of RELATIVE relocations */ 407 #define DT_RELCOUNT 0x6ffffffa /* number of RELATIVE relocations */ 408 #define DT_FLAGS_1 0x6ffffffb /* state flags - see DF_1_* defs */ 409 #define DT_VERDEF 0x6ffffffc /* Address of verdef section. */ 410 #define DT_VERDEFNUM 0x6ffffffd /* Number of elems in verdef section */ 411 #define DT_VERNEED 0x6ffffffe /* Address of verneed section. */ 412 #define DT_VERNEEDNUM 0x6fffffff /* Number of elems in verneed section */ 413 414 #define DT_LOPROC 0x70000000 /* First processor-specific type. */ 415 #define DT_AUXILIARY 0x7ffffffd /* shared library auxiliary name */ 416 #define DT_USED 0x7ffffffe /* ignored - same as needed */ 417 #define DT_FILTER 0x7fffffff /* shared library filter name */ 418 #define DT_HIPROC 0x7fffffff /* Last processor-specific type. */ 419 420 /* Values for DT_FLAGS */ 421 #define DF_ORIGIN 0x0001 /* Indicates that the object being loaded may 422 make reference to the $ORIGIN substitution 423 string */ 424 #define DF_SYMBOLIC 0x0002 /* Indicates "symbolic" linking. */ 425 #define DF_TEXTREL 0x0004 /* Indicates there may be relocations in 426 non-writable segments. */ 427 #define DF_BIND_NOW 0x0008 /* Indicates that the dynamic linker should 428 process all relocations for the object 429 containing this entry before transferring 430 control to the program. */ 431 #define DF_STATIC_TLS 0x0010 /* Indicates that the shared object or 432 executable contains code using a static 433 thread-local storage scheme. */ 434 435 /* Values for DT_FLAGS_1 */ 436 #define DF_1_BIND_NOW 0x00000001 /* Same as DF_BIND_NOW */ 437 #define DF_1_GLOBAL 0x00000002 /* Set the RTLD_GLOBAL for object */ 438 #define DF_1_NODELETE 0x00000008 /* Set the RTLD_NODELETE for object */ 439 #define DF_1_LOADFLTR 0x00000010 /* Immediate loading of filtees */ 440 #define DF_1_NOOPEN 0x00000040 /* Do not allow loading on dlopen() */ 441 #define DF_1_ORIGIN 0x00000080 /* Process $ORIGIN */ 442 443 /* Values for n_type. Used in core files. */ 444 #define NT_PRSTATUS 1 /* Process status. */ 445 #define NT_FPREGSET 2 /* Floating point registers. */ 446 #define NT_PRPSINFO 3 /* Process state info. */ 447 #define NT_THRMISC 7 /* Thread miscellaneous info. */ 448 449 /* Symbol Binding - ELFNN_ST_BIND - st_info */ 450 #define STB_LOCAL 0 /* Local symbol */ 451 #define STB_GLOBAL 1 /* Global symbol */ 452 #define STB_WEAK 2 /* like global - lower precedence */ 453 #define STB_LOOS 10 /* Reserved range for operating system */ 454 #define STB_HIOS 12 /* specific semantics. */ 455 #define STB_LOPROC 13 /* reserved range for processor */ 456 #define STB_HIPROC 15 /* specific semantics. */ 457 458 /* Symbol type - ELFNN_ST_TYPE - st_info */ 459 #define STT_NOTYPE 0 /* Unspecified type. */ 460 #define STT_OBJECT 1 /* Data object. */ 461 #define STT_FUNC 2 /* Function. */ 462 #define STT_SECTION 3 /* Section. */ 463 #define STT_FILE 4 /* Source file. */ 464 #define STT_COMMON 5 /* Uninitialized common block. */ 465 #define STT_TLS 6 /* TLS object. */ 466 #define STT_NUM 7 467 #define STT_LOOS 10 /* Reserved range for operating system */ 468 #define STT_HIOS 12 /* specific semantics. */ 469 #define STT_LOPROC 13 /* reserved range for processor */ 470 #define STT_HIPROC 15 /* specific semantics. */ 471 472 /* Symbol visibility - ELFNN_ST_VISIBILITY - st_other */ 473 #define STV_DEFAULT 0x0 /* Default visibility (see binding). */ 474 #define STV_INTERNAL 0x1 /* Special meaning in relocatable objects. */ 475 #define STV_HIDDEN 0x2 /* Not visible. */ 476 #define STV_PROTECTED 0x3 /* Visible but not preemptible. */ 477 #define STV_EXPORTED 0x4 478 #define STV_SINGLETON 0x5 479 #define STV_ELIMINATE 0x6 480 481 /* Special symbol table indexes. */ 482 #define STN_UNDEF 0 /* Undefined symbol index. */ 483 484 /* Symbol versioning flags. */ 485 #define VER_DEF_CURRENT 1 486 #define VER_DEF_IDX(x) VER_NDX(x) 487 488 #define VER_FLG_BASE 0x01 489 #define VER_FLG_WEAK 0x02 490 491 #define VER_NEED_CURRENT 1 492 #define VER_NEED_WEAK (1u << 15) 493 #define VER_NEED_HIDDEN VER_NDX_HIDDEN 494 #define VER_NEED_IDX(x) VER_NDX(x) 495 496 #define VER_NDX_LOCAL 0 497 #define VER_NDX_GLOBAL 1 498 #define VER_NDX_GIVEN 2 499 500 #define VER_NDX_HIDDEN (1u << 15) 501 #define VER_NDX(x) ((x) & ~(1u << 15)) 502 503 #endif /* !_SYS_ELF_COMMON_H_ */ 504