| | 1 | /* ELF support for BFD. |
| | 2 | Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
| | 3 | 2001, 2002, 2003 |
| | 4 | Free Software Foundation, Inc. |
| | 5 | |
| | 6 | Written by Fred Fish @ Cygnus Support, from information published |
| | 7 | in "UNIX System V Release 4, Programmers Guide: ANSI C and |
| | 8 | Programming Support Tools". |
| | 9 | |
| | 10 | This file is part of BFD, the Binary File Descriptor library. |
| | 11 | |
| | 12 | This program is free software; you can redistribute it and/or modify |
| | 13 | it under the terms of the GNU General Public License as published by |
| | 14 | the Free Software Foundation; either version 2 of the License, or |
| | 15 | (at your option) any later version. |
| | 16 | |
| | 17 | This program is distributed in the hope that it will be useful, |
| | 18 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| | 20 | GNU General Public License for more details. |
| | 21 | |
| | 22 | You should have received a copy of the GNU General Public License |
| | 23 | along with this program; if not, write to the Free Software |
| | 24 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| | 25 | |
| | 26 | |
| | 27 | /* This file is part of ELF support for BFD, and contains the portions |
| | 28 | that are common to both the internal and external representations. |
| | 29 | For example, ELFMAG0 is the byte 0x7F in both the internal (in-memory) |
| | 30 | and external (in-file) representations. */ |
| | 31 | |
| | 32 | #ifndef _ELF_COMMON_H |
| | 33 | #define _ELF_COMMON_H |
| | 34 | |
| | 35 | /* Fields in e_ident[]. */ |
| | 36 | |
| | 37 | #define EI_MAG0 0 /* File identification byte 0 index */ |
| | 38 | #define ELFMAG0 0x7F /* Magic number byte 0 */ |
| | 39 | |
| | 40 | #define EI_MAG1 1 /* File identification byte 1 index */ |
| | 41 | #define ELFMAG1 'E' /* Magic number byte 1 */ |
| | 42 | |
| | 43 | #define EI_MAG2 2 /* File identification byte 2 index */ |
| | 44 | #define ELFMAG2 'L' /* Magic number byte 2 */ |
| | 45 | |
| | 46 | #define EI_MAG3 3 /* File identification byte 3 index */ |
| | 47 | #define ELFMAG3 'F' /* Magic number byte 3 */ |
| | 48 | |
| | 49 | #define EI_CLASS 4 /* File class */ |
| | 50 | #define ELFCLASSNONE 0 /* Invalid class */ |
| | 51 | #define ELFCLASS32 1 /* 32-bit objects */ |
| | 52 | #define ELFCLASS64 2 /* 64-bit objects */ |
| | 53 | |
| | 54 | #define EI_DATA 5 /* Data encoding */ |
| | 55 | #define ELFDATANONE 0 /* Invalid data encoding */ |
| | 56 | #define ELFDATA2LSB 1 /* 2's complement, little endian */ |
| | 57 | #define ELFDATA2MSB 2 /* 2's complement, big endian */ |
| | 58 | |
| | 59 | #define EI_VERSION 6 /* File version */ |
| | 60 | |
| | 61 | #define EI_OSABI 7 /* Operating System/ABI indication */ |
| | 62 | #define ELFOSABI_NONE 0 /* UNIX System V ABI */ |
| | 63 | #define ELFOSABI_HPUX 1 /* HP-UX operating system */ |
| | 64 | #define ELFOSABI_NETBSD 2 /* NetBSD */ |
| | 65 | #define ELFOSABI_LINUX 3 /* GNU/Linux */ |
| | 66 | #define ELFOSABI_HURD 4 /* GNU/Hurd */ |
| | 67 | #define ELFOSABI_SOLARIS 6 /* Solaris */ |
| | 68 | #define ELFOSABI_AIX 7 /* AIX */ |
| | 69 | #define ELFOSABI_IRIX 8 /* IRIX */ |
| | 70 | #define ELFOSABI_FREEBSD 9 /* FreeBSD */ |
| | 71 | #define ELFOSABI_TRU64 10 /* TRU64 UNIX */ |
| | 72 | #define ELFOSABI_MODESTO 11 /* Novell Modesto */ |
| | 73 | #define ELFOSABI_OPENBSD 12 /* OpenBSD */ |
| | 74 | #define ELFOSABI_OPENVMS 13 /* OpenVMS */ |
| | 75 | #define ELFOSABI_NSK 14 /* Hewlett-Packard Non-Stop Kernel */ |
| | 76 | #define ELFOSABI_AROS 15 /* Amiga Research OS */ |
| | 77 | #define ELFOSABI_ARM 97 /* ARM */ |
| | 78 | #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ |
| | 79 | |
| | 80 | #define EI_ABIVERSION 8 /* ABI version */ |
| | 81 | |
| | 82 | #define EI_PAD 9 /* Start of padding bytes */ |
| | 83 | |
| | 84 | |
| | 85 | /* Values for e_type, which identifies the object file type. */ |
| | 86 | |
| | 87 | #define ET_NONE 0 /* No file type */ |
| | 88 | #define ET_REL 1 /* Relocatable file */ |
| | 89 | #define ET_EXEC 2 /* Executable file */ |
| | 90 | #define ET_DYN 3 /* Shared object file */ |
| | 91 | #define ET_CORE 4 /* Core file */ |
| | 92 | #define ET_LOOS 0xFE00 /* Operating system-specific */ |
| | 93 | #define ET_HIOS 0xFEFF /* Operating system-specific */ |
| | 94 | #define ET_LOPROC 0xFF00 /* Processor-specific */ |
| | 95 | #define ET_HIPROC 0xFFFF /* Processor-specific */ |
| | 96 | |
| | 97 | /* Values for e_machine, which identifies the architecture. These numbers |
| | 98 | are officially assigned by registry@caldera.com. See below for a list of |
| | 99 | ad-hoc numbers used during initial development. */ |
| | 100 | |
| | 101 | #define EM_NONE 0 /* No machine */ |
| | 102 | #define EM_M32 1 /* AT&T WE 32100 */ |
| | 103 | #define EM_SPARC 2 /* SUN SPARC */ |
| | 104 | #define EM_386 3 /* Intel 80386 */ |
| | 105 | #define EM_68K 4 /* Motorola m68k family */ |
| | 106 | #define EM_88K 5 /* Motorola m88k family */ |
| | 107 | #define EM_486 6 /* Intel 80486 *//* Reserved for future use */ |
| | 108 | #define EM_860 7 /* Intel 80860 */ |
| | 109 | #define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */ |
| | 110 | #define EM_S370 9 /* IBM System/370 */ |
| | 111 | #define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian (Oct 4 1999 Draft) Deprecated */ |
| | 112 | |
| | 113 | #define EM_PARISC 15 /* HPPA */ |
| | 114 | |
| | 115 | #define EM_VPP550 17 /* Fujitsu VPP500 */ |
| | 116 | #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ |
| | 117 | #define EM_960 19 /* Intel 80960 */ |
| | 118 | #define EM_PPC 20 /* PowerPC */ |
| | 119 | #define EM_PPC64 21 /* 64-bit PowerPC */ |
| | 120 | #define EM_S390 22 /* IBM S/390 */ |
| | 121 | |
| | 122 | #define EM_V800 36 /* NEC V800 series */ |
| | 123 | #define EM_FR20 37 /* Fujitsu FR20 */ |
| | 124 | #define EM_RH32 38 /* TRW RH32 */ |
| | 125 | #define EM_MCORE 39 /* Motorola M*Core */ /* May also be taken by Fujitsu MMA */ |
| | 126 | #define EM_RCE 39 /* Old name for MCore */ |
| | 127 | #define EM_ARM 40 /* ARM */ |
| | 128 | #define EM_OLD_ALPHA 41 /* Digital Alpha */ |
| | 129 | #define EM_SH 42 /* Renesas (formerly Hitachi) SH */ |
| | 130 | #define EM_SPARCV9 43 /* SPARC v9 64-bit */ |
| | 131 | #define EM_TRICORE 44 /* Siemens Tricore embedded processor */ |
| | 132 | #define EM_ARC 45 /* ARC Cores */ |
| | 133 | #define EM_H8_300 46 /* Renesas (formerly Hitachi) H8/300 */ |
| | 134 | #define EM_H8_300H 47 /* Renesas (formerly Hitachi) H8/300H */ |
| | 135 | #define EM_H8S 48 /* Renesas (formerly Hitachi) H8S */ |
| | 136 | #define EM_H8_500 49 /* Renesas (formerly Hitachi) H8/500 */ |
| | 137 | #define EM_IA_64 50 /* Intel IA-64 Processor */ |
| | 138 | #define EM_MIPS_X 51 /* Stanford MIPS-X */ |
| | 139 | #define EM_COLDFIRE 52 /* Motorola Coldfire */ |
| | 140 | #define EM_68HC12 53 /* Motorola M68HC12 */ |
| | 141 | #define EM_MMA 54 /* Fujitsu Multimedia Accelerator */ |
| | 142 | #define EM_PCP 55 /* Siemens PCP */ |
| | 143 | #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */ |
| | 144 | #define EM_NDR1 57 /* Denso NDR1 microprocesspr */ |
| | 145 | #define EM_STARCORE 58 /* Motorola Star*Core processor */ |
| | 146 | #define EM_ME16 59 /* Toyota ME16 processor */ |
| | 147 | #define EM_ST100 60 /* STMicroelectronics ST100 processor */ |
| | 148 | #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded processor */ |
| | 149 | #define EM_X86_64 62 /* Advanced Micro Devices X86-64 processor */ |
| | 150 | |
| | 151 | #define EM_PDP10 64 /* Digital Equipment Corp. PDP-10 */ |
| | 152 | #define EM_PDP11 65 /* Digital Equipment Corp. PDP-11 */ |
| | 153 | #define EM_FX66 66 /* Siemens FX66 microcontroller */ |
| | 154 | #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */ |
| | 155 | #define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */ |
| | 156 | #define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */ |
| | 157 | #define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */ |
| | 158 | #define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */ |
| | 159 | #define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */ |
| | 160 | #define EM_SVX 73 /* Silicon Graphics SVx */ |
| | 161 | #define EM_ST19 74 /* STMicroelectronics ST19 8-bit cpu */ |
| | 162 | #define EM_VAX 75 /* Digital VAX */ |
| | 163 | #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */ |
| | 164 | #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded cpu */ |
| | 165 | #define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */ |
| | 166 | #define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */ |
| | 167 | #define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */ |
| | 168 | #define EM_HUANY 81 /* Harvard's machine-independent format */ |
| | 169 | #define EM_PRISM 82 /* SiTera Prism */ |
| | 170 | #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */ |
| | 171 | #define EM_FR30 84 /* Fujitsu FR30 */ |
| | 172 | #define EM_D10V 85 /* Mitsubishi D10V */ |
| | 173 | #define EM_D30V 86 /* Mitsubishi D30V */ |
| | 174 | #define EM_V850 87 /* NEC v850 */ |
| | 175 | #define EM_M32R 88 /* Mitsubishi M32R */ |
| | 176 | #define EM_MN10300 89 /* Matsushita MN10300 */ |
| | 177 | #define EM_MN10200 90 /* Matsushita MN10200 */ |
| | 178 | #define EM_PJ 91 /* picoJava */ |
| | 179 | #define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ |
| | 180 | #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */ |
| | 181 | #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ |
| | 182 | #define EM_IP2K 101 /* Ubicom IP2022 micro controller */ |
| | 183 | #define EM_MSP430 105 /* TI msp430 micro controller */ |
| | 184 | |
| | 185 | /* If it is necessary to assign new unofficial EM_* values, please pick large |
| | 186 | random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision |
| | 187 | with official or non-GNU unofficial values. |
| | 188 | |
| | 189 | NOTE: Do not just increment the most recent number by one. |
| | 190 | Somebody else somewhere will do exactly the same thing, and you |
| | 191 | will have a collision. Instead, pick a random number. |
| | 192 | |
| | 193 | Normally, each entity or maintainer responsible for a machine with an |
| | 194 | unofficial e_machine number should eventually ask registry@caldera.com for |
| | 195 | an officially blessed number to be added to the list above. */ |
| | 196 | |
| | 197 | #define EM_PJ_OLD 99 /* picoJava */ |
| | 198 | |
| | 199 | /* Cygnus PowerPC ELF backend. Written in the absence of an ABI. */ |
| | 200 | #define EM_CYGNUS_POWERPC 0x9025 |
| | 201 | |
| | 202 | /* Old version of Sparc v9, from before the ABI; this should be |
| | 203 | removed shortly. */ |
| | 204 | #define EM_OLD_SPARCV9 11 |
| | 205 | |
| | 206 | /* Old version of PowerPC, this should be removed shortly. */ |
| | 207 | #define EM_PPC_OLD 17 |
| | 208 | |
| | 209 | /* (Deprecated) Temporary number for the OpenRISC processor. */ |
| | 210 | #define EM_OR32 0x8472 |
| | 211 | |
| | 212 | /* Cygnus M32R ELF backend. Written in the absence of an ABI. */ |
| | 213 | #define EM_CYGNUS_M32R 0x9041 |
| | 214 | |
| | 215 | /* Alpha backend magic number. Written in the absence of an ABI. */ |
| | 216 | #define EM_ALPHA 0x9026 |
| | 217 | |
| | 218 | /* old S/390 backend magic number. Written in the absence of an ABI. */ |
| | 219 | #define EM_S390_OLD 0xa390 |
| | 220 | |
| | 221 | /* D10V backend magic number. Written in the absence of an ABI. */ |
| | 222 | #define EM_CYGNUS_D10V 0x7650 |
| | 223 | |
| | 224 | /* D30V backend magic number. Written in the absence of an ABI. */ |
| | 225 | #define EM_CYGNUS_D30V 0x7676 |
| | 226 | |
| | 227 | /* V850 backend magic number. Written in the absense of an ABI. */ |
| | 228 | #define EM_CYGNUS_V850 0x9080 |
| | 229 | |
| | 230 | /* mn10200 and mn10300 backend magic numbers. |
| | 231 | Written in the absense of an ABI. */ |
| | 232 | #define EM_CYGNUS_MN10200 0xdead |
| | 233 | #define EM_CYGNUS_MN10300 0xbeef |
| | 234 | |
| | 235 | /* FR30 magic number - no EABI available. */ |
| | 236 | #define EM_CYGNUS_FR30 0x3330 |
| | 237 | |
| | 238 | /* AVR magic number |
| | 239 | Written in the absense of an ABI. */ |
| | 240 | #define EM_AVR_OLD 0x1057 |
| | 241 | |
| | 242 | /* OpenRISC magic number |
| | 243 | Written in the absense of an ABI. */ |
| | 244 | #define EM_OPENRISC_OLD 0x3426 |
| | 245 | |
| | 246 | /* DLX magic number |
| | 247 | Written in the absense of an ABI. */ |
| | 248 | #define EM_DLX 0x5aa5 |
| | 249 | |
| | 250 | #define EM_XSTORMY16 0xad45 |
| | 251 | |
| | 252 | /* FRV magic number - no EABI available??. */ |
| | 253 | #define EM_CYGNUS_FRV 0x5441 |
| | 254 | |
| | 255 | /* Ubicom IP2xxx; no ABI */ |
| | 256 | #define EM_IP2K_OLD 0x8217 |
| | 257 | |
| | 258 | /* MSP430 magic number |
| | 259 | Written in the absense everything. */ |
| | 260 | #define EM_MSP430_OLD 0x1059 |
| | 261 | |
| | 262 | /* Vitesse IQ2000. */ |
| | 263 | #define EM_IQ2000 0xFEBA |
| | 264 | |
| | 265 | /* Old, unofficial value for Xtensa. */ |
| | 266 | #define EM_XTENSA_OLD 0xabc7 |
| | 267 | |
| | 268 | /* See the above comment before you add a new EM_* value here. */ |
| | 269 | |
| | 270 | /* Values for e_version. */ |
| | 271 | |
| | 272 | #define EV_NONE 0 /* Invalid ELF version */ |
| | 273 | #define EV_CURRENT 1 /* Current version */ |
| | 274 | |
| | 275 | /* Values for program header, p_type field. */ |
| | 276 | |
| | 277 | #define PT_NULL 0 /* Program header table entry unused */ |
| | 278 | #define PT_LOAD 1 /* Loadable program segment */ |
| | 279 | #define PT_DYNAMIC 2 /* Dynamic linking information */ |
| | 280 | #define PT_INTERP 3 /* Program interpreter */ |
| | 281 | #define PT_NOTE 4 /* Auxiliary information */ |
| | 282 | #define PT_SHLIB 5 /* Reserved, unspecified semantics */ |
| | 283 | #define PT_PHDR 6 /* Entry for header table itself */ |
| | 284 | #define PT_TLS 7 /* Thread local storage segment */ |
| | 285 | #define PT_LOOS 0x60000000 /* OS-specific */ |
| | 286 | #define PT_HIOS 0x6fffffff /* OS-specific */ |
| | 287 | #define PT_LOPROC 0x70000000 /* Processor-specific */ |
| | 288 | #define PT_HIPROC 0x7FFFFFFF /* Processor-specific */ |
| | 289 | |
| | 290 | #define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550) |
| | 291 | |
| | 292 | /* Program segment permissions, in program header p_flags field. */ |
| | 293 | |
| | 294 | #define PF_X (1 << 0) /* Segment is executable */ |
| | 295 | #define PF_W (1 << 1) /* Segment is writable */ |
| | 296 | #define PF_R (1 << 2) /* Segment is readable */ |
| | 297 | /* #define PF_MASKOS 0x0F000000 *//* OS-specific reserved bits */ |
| | 298 | #define PF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */ |
| | 299 | #define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */ |
| | 300 | |
| | 301 | /* Values for section header, sh_type field. */ |
| | 302 | |
| | 303 | #define SHT_NULL 0 /* Section header table entry unused */ |
| | 304 | #define SHT_PROGBITS 1 /* Program specific (private) data */ |
| | 305 | #define SHT_SYMTAB 2 /* Link editing symbol table */ |
| | 306 | #define SHT_STRTAB 3 /* A string table */ |
| | 307 | #define SHT_RELA 4 /* Relocation entries with addends */ |
| | 308 | #define SHT_HASH 5 /* A symbol hash table */ |
| | 309 | #define SHT_DYNAMIC 6 /* Information for dynamic linking */ |
| | 310 | #define SHT_NOTE 7 /* Information that marks file */ |
| | 311 | #define SHT_NOBITS 8 /* Section occupies no space in file */ |
| | 312 | #define SHT_REL 9 /* Relocation entries, no addends */ |
| | 313 | #define SHT_SHLIB 10 /* Reserved, unspecified semantics */ |
| | 314 | #define SHT_DYNSYM 11 /* Dynamic linking symbol table */ |
| | 315 | |
| | 316 | #define SHT_INIT_ARRAY 14 /* Array of ptrs to init functions */ |
| | 317 | #define SHT_FINI_ARRAY 15 /* Array of ptrs to finish functions */ |
| | 318 | #define SHT_PREINIT_ARRAY 16 /* Array of ptrs to pre-init funcs */ |
| | 319 | #define SHT_GROUP 17 /* Section contains a section group */ |
| | 320 | #define SHT_SYMTAB_SHNDX 18 /* Indicies for SHN_XINDEX entries */ |
| | 321 | |
| | 322 | #define SHT_LOOS 0x60000000 /* First of OS specific semantics */ |
| | 323 | #define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */ |
| | 324 | |
| | 325 | #define SHT_GNU_LIBLIST 0x6ffffff7 /* List of prelink dependencies */ |
| | 326 | |
| | 327 | /* The next three section types are defined by Solaris, and are named |
| | 328 | SHT_SUNW*. We use them in GNU code, so we also define SHT_GNU* |
| | 329 | versions. */ |
| | 330 | #define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */ |
| | 331 | #define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */ |
| | 332 | #define SHT_SUNW_versym 0x6fffffff /* Symbol versions */ |
| | 333 | |
| | 334 | #define SHT_GNU_verdef SHT_SUNW_verdef |
| | 335 | #define SHT_GNU_verneed SHT_SUNW_verneed |
| | 336 | #define SHT_GNU_versym SHT_SUNW_versym |
| | 337 | |
| | 338 | #define SHT_LOPROC 0x70000000 /* Processor-specific semantics, lo */ |
| | 339 | #define SHT_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */ |
| | 340 | #define SHT_LOUSER 0x80000000 /* Application-specific semantics */ |
| | 341 | /* #define SHT_HIUSER 0x8FFFFFFF *//* Application-specific semantics */ |
| | 342 | #define SHT_HIUSER 0xFFFFFFFF /* New value, defined in Oct 4, 1999 Draft */ |
| | 343 | |
| | 344 | /* Values for section header, sh_flags field. */ |
| | 345 | |
| | 346 | #define SHF_WRITE (1 << 0) /* Writable data during execution */ |
| | 347 | #define SHF_ALLOC (1 << 1) /* Occupies memory during execution */ |
| | 348 | #define SHF_EXECINSTR (1 << 2) /* Executable machine instructions */ |
| | 349 | #define SHF_MERGE (1 << 4) /* Data in this section can be merged */ |
| | 350 | #define SHF_STRINGS (1 << 5) /* Contains null terminated character strings */ |
| | 351 | #define SHF_INFO_LINK (1 << 6) /* sh_info holds section header table index */ |
| | 352 | #define SHF_LINK_ORDER (1 << 7) /* Preserve section ordering when linking */ |
| | 353 | #define SHF_OS_NONCONFORMING (1 << 8) /* OS specific processing required */ |
| | 354 | #define SHF_GROUP (1 << 9) /* Member of a section group */ |
| | 355 | #define SHF_TLS (1 << 10) /* Thread local storage section */ |
| | 356 | |
| | 357 | /* #define SHF_MASKOS 0x0F000000 *//* OS-specific semantics */ |
| | 358 | #define SHF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */ |
| | 359 | #define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */ |
| | 360 | |
| | 361 | /* Values of note segment descriptor types for core files. */ |
| | 362 | |
| | 363 | #define NT_PRSTATUS 1 /* Contains copy of prstatus struct */ |
| | 364 | #define NT_FPREGSET 2 /* Contains copy of fpregset struct */ |
| | 365 | #define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */ |
| | 366 | #define NT_TASKSTRUCT 4 /* Contains copy of task struct */ |
| | 367 | #define NT_PRXFPREG 0x46e62b7f /* Contains a user_xfpregs_struct; */ |
| | 368 | /* note name must be "LINUX". */ |
| | 369 | |
| | 370 | /* Note segments for core files on dir-style procfs systems. */ |
| | 371 | |
| | 372 | #define NT_PSTATUS 10 /* Has a struct pstatus */ |
| | 373 | #define NT_FPREGS 12 /* Has a struct fpregset */ |
| | 374 | #define NT_PSINFO 13 /* Has a struct psinfo */ |
| | 375 | #define NT_LWPSTATUS 16 /* Has a struct lwpstatus_t */ |
| | 376 | #define NT_LWPSINFO 17 /* Has a struct lwpsinfo_t */ |
| | 377 | #define NT_WIN32PSTATUS 18 /* Has a struct win32_pstatus */ |
| | 378 | |
| | 379 | |
| | 380 | /* Note segments for core files on NetBSD systems. Note name |
| | 381 | must start with "NetBSD-CORE". */ |
| | 382 | |
| | 383 | #define NT_NETBSDCORE_PROCINFO 1 /* Has a struct procinfo */ |
| | 384 | #define NT_NETBSDCORE_FIRSTMACH 32 /* start of machdep note types */ |
| | 385 | |
| | 386 | |
| | 387 | /* Values of note segment descriptor types for object files. */ |
| | 388 | |
| | 389 | #define NT_VERSION 1 /* Contains a version string. */ |
| | 390 | #define NT_ARCH 2 /* Contains an architecture string. */ |
| | 391 | |
| | 392 | /* Values for GNU .note.ABI-tag notes. Note name is "GNU". */ |
| | 393 | |
| | 394 | #define NT_GNU_ABI_TAG 1 |
| | 395 | #define GNU_ABI_TAG_LINUX 0 |
| | 396 | #define GNU_ABI_TAG_HURD 1 |
| | 397 | #define GNU_ABI_TAG_SOLARIS 2 |
| | 398 | |
| | 399 | /* Values for NetBSD .note.netbsd.ident notes. Note name is "NetBSD". */ |
| | 400 | |
| | 401 | #define NT_NETBSD_IDENT 1 |
| | 402 | |
| | 403 | /* Values for FreeBSD .note.ABI-tag notes. Note name is "FreeBSD". */ |
| | 404 | |
| | 405 | #define NT_FREEBSD_ABI_TAG 1 |
| | 406 | |
| | 407 | /* These three macros disassemble and assemble a symbol table st_info field, |
| | 408 | which contains the symbol binding and symbol type. The STB_ and STT_ |
| | 409 | defines identify the binding and type. */ |
| | 410 | |
| | 411 | #define ELF_ST_BIND(val) (((unsigned int)(val)) >> 4) |
| | 412 | #define ELF_ST_TYPE(val) ((val) & 0xF) |
| | 413 | #define ELF_ST_INFO(bind,type) (((bind) << 4) + ((type) & 0xF)) |
| | 414 | |
| | 415 | /* The 64bit and 32bit versions of these macros are identical, but |
| | 416 | the ELF spec defines them, so here they are. */ |
| | 417 | #define ELF32_ST_BIND ELF_ST_BIND |
| | 418 | #define ELF32_ST_TYPE ELF_ST_TYPE |
| | 419 | #define ELF32_ST_INFO ELF_ST_INFO |
| | 420 | #define ELF64_ST_BIND ELF_ST_BIND |
| | 421 | #define ELF64_ST_TYPE ELF_ST_TYPE |
| | 422 | #define ELF64_ST_INFO ELF_ST_INFO |
| | 423 | |
| | 424 | /* This macro disassembles and assembles a symbol's visibility into |
| | 425 | the st_other field. The STV_ defines specificy the actual visibility. */ |
| | 426 | |
| | 427 | #define ELF_ST_VISIBILITY(v) ((v) & 0x3) |
| | 428 | /* The remaining bits in the st_other field are not currently used. |
| | 429 | They should be set to zero. */ |
| | 430 | |
| | 431 | #define ELF32_ST_VISIBILITY ELF_ST_VISIBILITY |
| | 432 | #define ELF64_ST_VISIBILITY ELF_ST_VISIBILITY |
| | 433 | |
| | 434 | |
| | 435 | #define STN_UNDEF 0 /* Undefined symbol index */ |
| | 436 | |
| | 437 | #define STB_LOCAL 0 /* Symbol not visible outside obj */ |
| | 438 | #define STB_GLOBAL 1 /* Symbol visible outside obj */ |
| | 439 | #define STB_WEAK 2 /* Like globals, lower precedence */ |
| | 440 | #define STB_LOOS 10 /* OS-specific semantics */ |
| | 441 | #define STB_HIOS 12 /* OS-specific semantics */ |
| | 442 | #define STB_LOPROC 13 /* Application-specific semantics */ |
| | 443 | #define STB_HIPROC 15 /* Application-specific semantics */ |
| | 444 | |
| | 445 | #define STT_NOTYPE 0 /* Symbol type is unspecified */ |
| | 446 | #define STT_OBJECT 1 /* Symbol is a data object */ |
| | 447 | #define STT_FUNC 2 /* Symbol is a code object */ |
| | 448 | #define STT_SECTION 3 /* Symbol associated with a section */ |
| | 449 | #define STT_FILE 4 /* Symbol gives a file name */ |
| | 450 | #define STT_COMMON 5 /* An uninitialised common block */ |
| | 451 | #define STT_TLS 6 /* Thread local data object */ |
| | 452 | #define STT_LOOS 10 /* OS-specific semantics */ |
| | 453 | #define STT_HIOS 12 /* OS-specific semantics */ |
| | 454 | #define STT_LOPROC 13 /* Application-specific semantics */ |
| | 455 | #define STT_HIPROC 15 /* Application-specific semantics */ |
| | 456 | |
| | 457 | /* Special section indices, which may show up in st_shndx fields, among |
| | 458 | other places. */ |
| | 459 | |
| | 460 | #define SHN_UNDEF 0 /* Undefined section reference */ |
| | 461 | #define SHN_LORESERVE 0xFF00 /* Begin range of reserved indices */ |
| | 462 | #define SHN_LOPROC 0xFF00 /* Begin range of appl-specific */ |
| | 463 | #define SHN_HIPROC 0xFF1F /* End range of appl-specific */ |
| | 464 | #define SHN_LOOS 0xFF20 /* OS specific semantics, lo */ |
| | 465 | #define SHN_HIOS 0xFF3F /* OS specific semantics, hi */ |
| | 466 | #define SHN_ABS 0xFFF1 /* Associated symbol is absolute */ |
| | 467 | #define SHN_COMMON 0xFFF2 /* Associated symbol is in common */ |
| | 468 | #define SHN_XINDEX 0xFFFF /* Section index is held elsewhere */ |
| | 469 | #define SHN_HIRESERVE 0xFFFF /* End range of reserved indices */ |
| | 470 | #define SHN_BAD ((unsigned) -1) /* Used internally by bfd */ |
| | 471 | |
| | 472 | /* The following constants control how a symbol may be accessed once it has |
| | 473 | become part of an executable or shared library. */ |
| | 474 | |
| | 475 | #define STV_DEFAULT 0 /* Visibility is specified by binding type */ |
| | 476 | #define STV_INTERNAL 1 /* OS specific version of STV_HIDDEN */ |
| | 477 | #define STV_HIDDEN 2 /* Can only be seen inside currect component */ |
| | 478 | #define STV_PROTECTED 3 /* Treat as STB_LOCAL inside current component */ |
| | 479 | |
| | 480 | /* Relocation info handling macros. */ |
| | 481 | |
| | 482 | #define ELF32_R_SYM(i) ((i) >> 8) |
| | 483 | #define ELF32_R_TYPE(i) ((i) & 0xff) |
| | 484 | #define ELF32_R_INFO(s,t) (((s) << 8) + ((t) & 0xff)) |
| | 485 | |
| | 486 | #define ELF64_R_SYM(i) ((i) >> 32) |
| | 487 | #define ELF64_R_TYPE(i) ((i) & 0xffffffff) |
| | 488 | #define ELF64_R_INFO(s,t) (((bfd_vma) (s) << 32) + (bfd_vma) (t)) |
| | 489 | |
| | 490 | /* Dynamic section tags. */ |
| | 491 | |
| | 492 | #define DT_NULL 0 |
| | 493 | #define DT_NEEDED 1 |
| | 494 | #define DT_PLTRELSZ 2 |
| | 495 | #define DT_PLTGOT 3 |
| | 496 | #define DT_HASH 4 |
| | 497 | #define DT_STRTAB 5 |
| | 498 | #define DT_SYMTAB 6 |
| | 499 | #define DT_RELA 7 |
| | 500 | #define DT_RELASZ 8 |
| | 501 | #define DT_RELAENT 9 |
| | 502 | #define DT_STRSZ 10 |
| | 503 | #define DT_SYMENT 11 |
| | 504 | #define DT_INIT 12 |
| | 505 | #define DT_FINI 13 |
| | 506 | #define DT_SONAME 14 |
| | 507 | #define DT_RPATH 15 |
| | 508 | #define DT_SYMBOLIC 16 |
| | 509 | #define DT_REL 17 |
| | 510 | #define DT_RELSZ 18 |
| | 511 | #define DT_RELENT 19 |
| | 512 | #define DT_PLTREL 20 |
| | 513 | #define DT_DEBUG 21 |
| | 514 | #define DT_TEXTREL 22 |
| | 515 | #define DT_JMPREL 23 |
| | 516 | #define DT_BIND_NOW 24 |
| | 517 | #define DT_INIT_ARRAY 25 |
| | 518 | #define DT_FINI_ARRAY 26 |
| | 519 | #define DT_INIT_ARRAYSZ 27 |
| | 520 | #define DT_FINI_ARRAYSZ 28 |
| | 521 | #define DT_RUNPATH 29 |
| | 522 | #define DT_FLAGS 30 |
| | 523 | #define DT_ENCODING 31 |
| | 524 | #define DT_PREINIT_ARRAY 32 |
| | 525 | #define DT_PREINIT_ARRAYSZ 33 |
| | 526 | |
| | 527 | /* Note, the Oct 4, 1999 draft of the ELF ABI changed the values |
| | 528 | for DT_LOOS and DT_HIOS. Some implementations however, use |
| | 529 | values outside of the new range (see below). */ |
| | 530 | #define OLD_DT_LOOS 0x60000000 |
| | 531 | #define DT_LOOS 0x6000000d |
| | 532 | #define DT_HIOS 0x6fff0000 |
| | 533 | #define OLD_DT_HIOS 0x6fffffff |
| | 534 | |
| | 535 | #define DT_LOPROC 0x70000000 |
| | 536 | #define DT_HIPROC 0x7fffffff |
| | 537 | |
| | 538 | /* The next four dynamic tags are used on Solaris. We support them |
| | 539 | everywhere. Note these values lie outside of the (new) range for |
| | 540 | OS specific values. This is a deliberate special case and we |
| | 541 | maintain it for backwards compatability. */ |
| | 542 | #define DT_VALRNGLO 0x6ffffd00 |
| | 543 | #define DT_GNU_PRELINKED 0x6ffffdf5 |
| | 544 | #define DT_GNU_CONFLICTSZ 0x6ffffdf6 |
| | 545 | #define DT_GNU_LIBLISTSZ 0x6ffffdf7 |
| | 546 | #define DT_CHECKSUM 0x6ffffdf8 |
| | 547 | #define DT_PLTPADSZ 0x6ffffdf9 |
| | 548 | #define DT_MOVEENT 0x6ffffdfa |
| | 549 | #define DT_MOVESZ 0x6ffffdfb |
| | 550 | #define DT_FEATURE 0x6ffffdfc |
| | 551 | #define DT_POSFLAG_1 0x6ffffdfd |
| | 552 | #define DT_SYMINSZ 0x6ffffdfe |
| | 553 | #define DT_SYMINENT 0x6ffffdff |
| | 554 | #define DT_VALRNGHI 0x6ffffdff |
| | 555 | |
| | 556 | #define DT_ADDRRNGLO 0x6ffffe00 |
| | 557 | #define DT_GNU_CONFLICT 0x6ffffef8 |
| | 558 | #define DT_GNU_LIBLIST 0x6ffffef9 |
| | 559 | #define DT_CONFIG 0x6ffffefa |
| | 560 | #define DT_DEPAUDIT 0x6ffffefb |
| | 561 | #define DT_AUDIT 0x6ffffefc |
| | 562 | #define DT_PLTPAD 0x6ffffefd |
| | 563 | #define DT_MOVETAB 0x6ffffefe |
| | 564 | #define DT_SYMINFO 0x6ffffeff |
| | 565 | #define DT_ADDRRNGHI 0x6ffffeff |
| | 566 | |
| | 567 | #define DT_RELACOUNT 0x6ffffff9 |
| | 568 | #define DT_RELCOUNT 0x6ffffffa |
| | 569 | #define DT_FLAGS_1 0x6ffffffb |
| | 570 | #define DT_VERDEF 0x6ffffffc |
| | 571 | #define DT_VERDEFNUM 0x6ffffffd |
| | 572 | #define DT_VERNEED 0x6ffffffe |
| | 573 | #define DT_VERNEEDNUM 0x6fffffff |
| | 574 | |
| | 575 | /* This tag is a GNU extension to the Solaris version scheme. */ |
| | 576 | #define DT_VERSYM 0x6ffffff0 |
| | 577 | |
| | 578 | #define DT_LOPROC 0x70000000 |
| | 579 | #define DT_HIPROC 0x7fffffff |
| | 580 | |
| | 581 | /* These section tags are used on Solaris. We support them |
| | 582 | everywhere, and hope they do not conflict. */ |
| | 583 | |
| | 584 | #define DT_AUXILIARY 0x7ffffffd |
| | 585 | #define DT_USED 0x7ffffffe |
| | 586 | #define DT_FILTER 0x7fffffff |
| | 587 | |
| | 588 | |
| | 589 | /* Values used in DT_FEATURE .dynamic entry. */ |
| | 590 | #define DTF_1_PARINIT 0x00000001 |
| | 591 | /* From |
| | 592 | |
| | 593 | http://docs.sun.com:80/ab2/coll.45.13/LLM/@Ab2PageView/21165?Ab2Lang=C&Ab2Enc=iso-8859-1 |
| | 594 | |
| | 595 | DTF_1_CONFEXP is the same as DTF_1_PARINIT. It is a typo. The value |
| | 596 | defined here is the same as the one in <sys/link.h> on Solaris 8. */ |
| | 597 | #define DTF_1_CONFEXP 0x00000002 |
| | 598 | |
| | 599 | /* Flag values used in the DT_POSFLAG_1 .dynamic entry. */ |
| | 600 | #define DF_P1_LAZYLOAD 0x00000001 |
| | 601 | #define DF_P1_GROUPPERM 0x00000002 |
| | 602 | |
| | 603 | /* Flag value in in the DT_FLAGS_1 .dynamic entry. */ |
| | 604 | #define DF_1_NOW 0x00000001 |
| | 605 | #define DF_1_GLOBAL 0x00000002 |
| | 606 | #define DF_1_GROUP 0x00000004 |
| | 607 | #define DF_1_NODELETE 0x00000008 |
| | 608 | #define DF_1_LOADFLTR 0x00000010 |
| | 609 | #define DF_1_INITFIRST 0x00000020 |
| | 610 | #define DF_1_NOOPEN 0x00000040 |
| | 611 | #define DF_1_ORIGIN 0x00000080 |
| | 612 | #define DF_1_DIRECT 0x00000100 |
| | 613 | #define DF_1_TRANS 0x00000200 |
| | 614 | #define DF_1_INTERPOSE 0x00000400 |
| | 615 | #define DF_1_NODEFLIB 0x00000800 |
| | 616 | #define DF_1_NODUMP 0x00001000 |
| | 617 | #define DF_1_CONLFAT 0x00002000 |
| | 618 | |
| | 619 | /* Flag values for the DT_FLAGS entry. */ |
| | 620 | #define DF_ORIGIN (1 << 0) |
| | 621 | #define DF_SYMBOLIC (1 << 1) |
| | 622 | #define DF_TEXTREL (1 << 2) |
| | 623 | #define DF_BIND_NOW (1 << 3) |
| | 624 | #define DF_STATIC_TLS (1 << 4) |
| | 625 | |
| | 626 | /* These constants are used for the version number of a Elf32_Verdef |
| | 627 | structure. */ |
| | 628 | |
| | 629 | #define VER_DEF_NONE 0 |
| | 630 | #define VER_DEF_CURRENT 1 |
| | 631 | |
| | 632 | /* These constants appear in the vd_flags field of a Elf32_Verdef |
| | 633 | structure. */ |
| | 634 | |
| | 635 | #define VER_FLG_BASE 0x1 |
| | 636 | #define VER_FLG_WEAK 0x2 |
| | 637 | |
| | 638 | /* These special constants can be found in an Elf32_Versym field. */ |
| | 639 | |
| | 640 | #define VER_NDX_LOCAL 0 |
| | 641 | #define VER_NDX_GLOBAL 1 |
| | 642 | |
| | 643 | /* These constants are used for the version number of a Elf32_Verneed |
| | 644 | structure. */ |
| | 645 | |
| | 646 | #define VER_NEED_NONE 0 |
| | 647 | #define VER_NEED_CURRENT 1 |
| | 648 | |
| | 649 | /* This flag appears in a Versym structure. It means that the symbol |
| | 650 | is hidden, and is only visible with an explicit version number. |
| | 651 | This is a GNU extension. */ |
| | 652 | |
| | 653 | #define VERSYM_HIDDEN 0x8000 |
| | 654 | |
| | 655 | /* This is the mask for the rest of the Versym information. */ |
| | 656 | |
| | 657 | #define VERSYM_VERSION 0x7fff |
| | 658 | |
| | 659 | /* This is a special token which appears as part of a symbol name. It |
| | 660 | indictes that the rest of the name is actually the name of a |
| | 661 | version node, and is not part of the actual name. This is a GNU |
| | 662 | extension. For example, the symbol name `stat@ver2' is taken to |
| | 663 | mean the symbol `stat' in version `ver2'. */ |
| | 664 | |
| | 665 | #define ELF_VER_CHR '@' |
| | 666 | |
| | 667 | /* Possible values for si_boundto. */ |
| | 668 | |
| | 669 | #define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */ |
| | 670 | #define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */ |
| | 671 | #define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */ |
| | 672 | |
| | 673 | /* Possible bitmasks for si_flags. */ |
| | 674 | |
| | 675 | #define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */ |
| | 676 | #define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */ |
| | 677 | #define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */ |
| | 678 | #define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy loaded */ |
| | 679 | |
| | 680 | /* Syminfo version values. */ |
| | 681 | |
| | 682 | #define SYMINFO_NONE 0 |
| | 683 | #define SYMINFO_CURRENT 1 |
| | 684 | #define SYMINFO_NUM 2 |
| | 685 | |
| | 686 | /* Section Group Flags. */ |
| | 687 | |
| | 688 | #define GRP_COMDAT 0x1 /* A COMDAT group */ |
| | 689 | |
| | 690 | #endif /* _ELF_COMMON_H */ |
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