projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 252b5132 | 1 | /* ELF support for BFD. |
| 4f1d9bd8 NC |
2 | Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
| 3 | 2001 | |
| 2aa9e1d7 | 4 | Free Software Foundation, Inc. |
| 252b5132 RH |
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 */ | |
| 2203434a | 62 | #define ELFOSABI_NONE 0 /* UNIX System V ABI */ |
| 252b5132 | 63 | #define ELFOSABI_HPUX 1 /* HP-UX operating system */ |
| 16c088d0 | 64 | #define ELFOSABI_NETBSD 2 /* NetBSD */ |
| 2aa9e1d7 | 65 | #define ELFOSABI_LINUX 3 /* GNU/Linux */ |
| 16c088d0 L |
66 | #define ELFOSABI_HURD 4 /* GNU/Hurd */ |
| 67 | #define ELFOSABI_SOLARIS 6 /* Solaris */ | |
| 1da80a82 | 68 | #define ELFOSABI_AIX 7 /* AIX */ |
| 16c088d0 L |
69 | #define ELFOSABI_IRIX 8 /* IRIX */ |
| 70 | #define ELFOSABI_FREEBSD 9 /* FreeBSD */ | |
| 0044240b | 71 | #define ELFOSABI_TRU64 10 /* TRU64 UNIX */ |
| 2203434a L |
72 | #define ELFOSABI_MODESTO 11 /* Novell Modesto */ |
| 73 | #define ELFOSABI_OPENBSD 12 /* OpenBSD */ | |
| 252b5132 | 74 | #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ |
| 3ba3ce66 | 75 | #define ELFOSABI_ARM 97 /* ARM */ |
| 252b5132 RH |
76 | |
| 77 | #define EI_ABIVERSION 8 /* ABI version */ | |
| 78 | ||
| 79 | #define EI_PAD 9 /* Start of padding bytes */ | |
| 80 | ||
| 81 | ||
| 3ba3ce66 | 82 | /* Values for e_type, which identifies the object file type. */ |
| 252b5132 RH |
83 | |
| 84 | #define ET_NONE 0 /* No file type */ | |
| 85 | #define ET_REL 1 /* Relocatable file */ | |
| 86 | #define ET_EXEC 2 /* Executable file */ | |
| 87 | #define ET_DYN 3 /* Shared object file */ | |
| 88 | #define ET_CORE 4 /* Core file */ | |
| 89 | #define ET_LOOS 0xFE00 /* Operating system-specific */ | |
| 90 | #define ET_HIOS 0xFEFF /* Operating system-specific */ | |
| 91 | #define ET_LOPROC 0xFF00 /* Processor-specific */ | |
| 92 | #define ET_HIPROC 0xFFFF /* Processor-specific */ | |
| 93 | ||
| 723b0f0d HPN |
94 | /* Values for e_machine, which identifies the architecture. These numbers |
| 95 | are officially assigned by registry@sco.com. See below for a list of | |
| 96 | ad-hoc numbers used during initial development. */ | |
| 252b5132 RH |
97 | |
| 98 | #define EM_NONE 0 /* No machine */ | |
| 99 | #define EM_M32 1 /* AT&T WE 32100 */ | |
| 100 | #define EM_SPARC 2 /* SUN SPARC */ | |
| 101 | #define EM_386 3 /* Intel 80386 */ | |
| 102 | #define EM_68K 4 /* Motorola m68k family */ | |
| 103 | #define EM_88K 5 /* Motorola m88k family */ | |
| 3ba3ce66 | 104 | #define EM_486 6 /* Intel 80486 *//* Reserved for future use */ |
| 252b5132 RH |
105 | #define EM_860 7 /* Intel 80860 */ |
| 106 | #define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */ | |
| 07521389 | 107 | #define EM_S370 9 /* IBM System/370 */ |
| 0fc731e4 NC |
108 | #define EM_MIPS_RS4_BE 10 /* MIPS R4000 big-endian */ /* Depreciated */ |
| 109 | #define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian (Oct 4 1999 Draft)*/ /* Depreciated */ | |
| 252b5132 RH |
110 | |
| 111 | #define EM_PARISC 15 /* HPPA */ | |
| 0fc731e4 | 112 | |
| 252b5132 RH |
113 | #define EM_VPP550 17 /* Fujitsu VPP500 */ |
| 114 | #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ | |
| 115 | #define EM_960 19 /* Intel 80960 */ | |
| 116 | #define EM_PPC 20 /* PowerPC */ | |
| 348a3483 | 117 | #define EM_PPC64 21 /* 64-bit PowerPC */ |
| a85d7ed0 | 118 | #define EM_S390 22 /* IBM S/390 */ |
| 252b5132 RH |
119 | |
| 120 | #define EM_V800 36 /* NEC V800 series */ | |
| 121 | #define EM_FR20 37 /* Fujitsu FR20 */ | |
| 122 | #define EM_RH32 38 /* TRW RH32 */ | |
| 3442f309 | 123 | #define EM_MCORE 39 /* Motorola M*Core */ /* May also be taken by Fujitsu MMA */ |
| 0fc731e4 | 124 | #define EM_RCE 39 /* Old name for MCore */ |
| 252b5132 RH |
125 | #define EM_ARM 40 /* ARM */ |
| 126 | #define EM_OLD_ALPHA 41 /* Digital Alpha */ | |
| 127 | #define EM_SH 42 /* Hitachi SH */ | |
| 128 | #define EM_SPARCV9 43 /* SPARC v9 64-bit */ | |
| 129 | #define EM_TRICORE 44 /* Siemens Tricore embedded processor */ | |
| 0d2bcfaf | 130 | #define EM_ARC 45 /* ARC Cores */ |
| 252b5132 RH |
131 | #define EM_H8_300 46 /* Hitachi H8/300 */ |
| 132 | #define EM_H8_300H 47 /* Hitachi H8/300H */ | |
| 133 | #define EM_H8S 48 /* Hitachi H8S */ | |
| 134 | #define EM_H8_500 49 /* Hitachi H8/500 */ | |
| 07521389 | 135 | #define EM_IA_64 50 /* Intel IA-64 Processor */ |
| 252b5132 RH |
136 | #define EM_MIPS_X 51 /* Stanford MIPS-X */ |
| 137 | #define EM_COLDFIRE 52 /* Motorola Coldfire */ | |
| 138 | #define EM_68HC12 53 /* Motorola M68HC12 */ | |
| 0fc731e4 NC |
139 | #define EM_MMA 54 /* Fujitsu Multimedia Accelerator */ |
| 140 | #define EM_PCP 55 /* Siemens PCP */ | |
| 141 | #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */ | |
| 142 | #define EM_NDR1 57 /* Denso NDR1 microprocesspr */ | |
| 143 | #define EM_STARCORE 58 /* Motorola Star*Core processor */ | |
| 144 | #define EM_ME16 59 /* Toyota ME16 processor */ | |
| 145 | #define EM_ST100 60 /* STMicroelectronics ST100 processor */ | |
| 146 | #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded processor */ | |
| abf1d184 | 147 | #define EM_X86_64 62 /* Advanced Micro Devices X86-64 processor */ |
| 0fc731e4 NC |
148 | |
| 149 | #define EM_FX66 66 /* Siemens FX66 microcontroller */ | |
| 150 | #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */ | |
| 151 | #define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */ | |
| 152 | #define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */ | |
| 153 | #define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */ | |
| 154 | #define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */ | |
| 155 | #define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */ | |
| 156 | #define EM_SVX 73 /* Silicon Graphics SVx */ | |
| 3ba3ce66 | 157 | #define EM_ST19 74 /* STMicroelectronics ST19 8-bit cpu */ |
| 0fc731e4 | 158 | #define EM_VAX 75 /* Digital VAX */ |
| 723b0f0d | 159 | #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */ |
| 3ba3ce66 NC |
160 | #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded cpu */ |
| 161 | #define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */ | |
| 162 | #define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */ | |
| 723b0f0d | 163 | #define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */ |
| 3ba3ce66 NC |
164 | #define EM_HUANY 81 /* Harvard's machine-independent format */ |
| 165 | #define EM_PRISM 82 /* SiTera Prism */ | |
| 252b5132 RH |
166 | |
| 167 | /* If it is necessary to assign new unofficial EM_* values, please pick large | |
| 168 | random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision | |
| 169 | with official or non-GNU unofficial values. | |
| 170 | ||
| 171 | NOTE: Do not just increment the most recent number by one. | |
| 172 | Somebody else somewhere will do exactly the same thing, and you | |
| 723b0f0d HPN |
173 | will have a collision. Instead, pick a random number. |
| 174 | ||
| 175 | Normally, each entity or maintainer responsible for a machine with an | |
| 176 | unofficial e_machine number should eventually ask registry@sco.com for | |
| 177 | an officially blessed number to be added to the list above. */ | |
| 178 | ||
| 179 | #define EM_PJ 99 /* picoJava */ | |
| 252b5132 RH |
180 | |
| 181 | /* Cygnus PowerPC ELF backend. Written in the absence of an ABI. */ | |
| 182 | #define EM_CYGNUS_POWERPC 0x9025 | |
| 183 | ||
| 184 | /* Old version of Sparc v9, from before the ABI; this should be | |
| 185 | removed shortly. */ | |
| 186 | #define EM_OLD_SPARCV9 11 | |
| 187 | ||
| 188 | /* Old version of PowerPC, this should be removed shortly. */ | |
| 189 | #define EM_PPC_OLD 17 | |
| 190 | ||
| 191 | /* Cygnus ARC ELF backend. Written in the absence of an ABI. */ | |
| 192 | #define EM_CYGNUS_ARC 0x9040 | |
| 193 | ||
| 194 | /* Cygnus M32R ELF backend. Written in the absence of an ABI. */ | |
| 195 | #define EM_CYGNUS_M32R 0x9041 | |
| 196 | ||
| 197 | /* Alpha backend magic number. Written in the absence of an ABI. */ | |
| 198 | #define EM_ALPHA 0x9026 | |
| 199 | ||
| a85d7ed0 NC |
200 | /* old S/390 backend magic number. Written in the absence of an ABI. */ |
| 201 | #define EM_S390_OLD 0xa390 | |
| 202 | ||
| 252b5132 RH |
203 | /* D10V backend magic number. Written in the absence of an ABI. */ |
| 204 | #define EM_CYGNUS_D10V 0x7650 | |
| 205 | ||
| 206 | /* D30V backend magic number. Written in the absence of an ABI. */ | |
| 207 | #define EM_CYGNUS_D30V 0x7676 | |
| 208 | ||
| 209 | /* V850 backend magic number. Written in the absense of an ABI. */ | |
| 210 | #define EM_CYGNUS_V850 0x9080 | |
| 211 | ||
| 212 | /* mn10200 and mn10300 backend magic numbers. | |
| 213 | Written in the absense of an ABI. */ | |
| 214 | #define EM_CYGNUS_MN10200 0xdead | |
| 215 | #define EM_CYGNUS_MN10300 0xbeef | |
| 216 | ||
| 217 | /* FR30 magic number - no EABI available. */ | |
| 218 | #define EM_CYGNUS_FR30 0x3330 | |
| 219 | ||
| adde6300 AM |
220 | /* AVR magic number |
| 221 | Written in the absense of an ABI. */ | |
| 222 | #define EM_AVR 0x1057 | |
| 223 | ||
| b3baf5d0 NC |
224 | /* OpenRISC magic number |
| 225 | Written in the absense of an ABI. */ | |
| 226 | #define EM_OPENRISC 0x3426 | |
| 227 | ||
| 252b5132 RH |
228 | /* See the above comment before you add a new EM_* value here. */ |
| 229 | ||
| 3ba3ce66 | 230 | /* Values for e_version. */ |
| 252b5132 RH |
231 | |
| 232 | #define EV_NONE 0 /* Invalid ELF version */ | |
| 233 | #define EV_CURRENT 1 /* Current version */ | |
| 234 | ||
| 3ba3ce66 | 235 | /* Values for program header, p_type field. */ |
| 252b5132 RH |
236 | |
| 237 | #define PT_NULL 0 /* Program header table entry unused */ | |
| 238 | #define PT_LOAD 1 /* Loadable program segment */ | |
| 239 | #define PT_DYNAMIC 2 /* Dynamic linking information */ | |
| 240 | #define PT_INTERP 3 /* Program interpreter */ | |
| 241 | #define PT_NOTE 4 /* Auxiliary information */ | |
| 242 | #define PT_SHLIB 5 /* Reserved, unspecified semantics */ | |
| 243 | #define PT_PHDR 6 /* Entry for header table itself */ | |
| 244 | #define PT_LOOS 0x60000000 /* OS-specific */ | |
| 245 | #define PT_HIOS 0x6fffffff /* OS-specific */ | |
| 246 | #define PT_LOPROC 0x70000000 /* Processor-specific */ | |
| 247 | #define PT_HIPROC 0x7FFFFFFF /* Processor-specific */ | |
| 248 | ||
| 3ba3ce66 | 249 | /* Program segment permissions, in program header p_flags field. */ |
| 252b5132 RH |
250 | |
| 251 | #define PF_X (1 << 0) /* Segment is executable */ | |
| 252 | #define PF_W (1 << 1) /* Segment is writable */ | |
| 253 | #define PF_R (1 << 2) /* Segment is readable */ | |
| 0fc731e4 NC |
254 | /* #define PF_MASKOS 0x0F000000 *//* OS-specific reserved bits */ |
| 255 | #define PF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */ | |
| 252b5132 RH |
256 | #define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */ |
| 257 | ||
| 3ba3ce66 | 258 | /* Values for section header, sh_type field. */ |
| 252b5132 RH |
259 | |
| 260 | #define SHT_NULL 0 /* Section header table entry unused */ | |
| 261 | #define SHT_PROGBITS 1 /* Program specific (private) data */ | |
| 262 | #define SHT_SYMTAB 2 /* Link editing symbol table */ | |
| 263 | #define SHT_STRTAB 3 /* A string table */ | |
| 264 | #define SHT_RELA 4 /* Relocation entries with addends */ | |
| 265 | #define SHT_HASH 5 /* A symbol hash table */ | |
| 266 | #define SHT_DYNAMIC 6 /* Information for dynamic linking */ | |
| 267 | #define SHT_NOTE 7 /* Information that marks file */ | |
| 268 | #define SHT_NOBITS 8 /* Section occupies no space in file */ | |
| 269 | #define SHT_REL 9 /* Relocation entries, no addends */ | |
| 270 | #define SHT_SHLIB 10 /* Reserved, unspecified semantics */ | |
| 271 | #define SHT_DYNSYM 11 /* Dynamic linking symbol table */ | |
| 272 | ||
| 3ba3ce66 NC |
273 | #define SHT_INIT_ARRAY 14 /* Array of ptrs to init functions */ |
| 274 | #define SHT_FINI_ARRAY 15 /* Array of ptrs to finish functions */ | |
| 275 | #define SHT_PREINIT_ARRAY 16 /* Array of ptrs to pre-init funcs */ | |
| 276 | #define SHT_GROUP 17 /* Section contains a section group */ | |
| 277 | #define SHT_SYMTAB_SHNDX 18 /* Indicies for SHN_XINDEX entries */ | |
| 0fc731e4 | 278 | |
| 3ba3ce66 NC |
279 | #define SHT_LOOS 0x60000000 /* First of OS specific semantics */ |
| 280 | #define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */ | |
| 252b5132 RH |
281 | |
| 282 | /* The next three section types are defined by Solaris, and are named | |
| 283 | SHT_SUNW*. We use them in GNU code, so we also define SHT_GNU* | |
| 284 | versions. */ | |
| 285 | #define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */ | |
| 286 | #define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */ | |
| 287 | #define SHT_SUNW_versym 0x6fffffff /* Symbol versions */ | |
| 288 | ||
| 289 | #define SHT_GNU_verdef SHT_SUNW_verdef | |
| 290 | #define SHT_GNU_verneed SHT_SUNW_verneed | |
| 291 | #define SHT_GNU_versym SHT_SUNW_versym | |
| 292 | ||
| 293 | #define SHT_LOPROC 0x70000000 /* Processor-specific semantics, lo */ | |
| 294 | #define SHT_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */ | |
| 295 | #define SHT_LOUSER 0x80000000 /* Application-specific semantics */ | |
| 0fc731e4 NC |
296 | /* #define SHT_HIUSER 0x8FFFFFFF *//* Application-specific semantics */ |
| 297 | #define SHT_HIUSER 0xFFFFFFFF /* New value, defined in Oct 4, 1999 Draft */ | |
| 252b5132 | 298 | |
| 3ba3ce66 | 299 | /* Values for section header, sh_flags field. */ |
| 252b5132 RH |
300 | |
| 301 | #define SHF_WRITE (1 << 0) /* Writable data during execution */ | |
| 302 | #define SHF_ALLOC (1 << 1) /* Occupies memory during execution */ | |
| 303 | #define SHF_EXECINSTR (1 << 2) /* Executable machine instructions */ | |
| 0fc731e4 NC |
304 | #define SHF_MERGE (1 << 4) /* Data in this section can be merged */ |
| 305 | #define SHF_STRINGS (1 << 5) /* Contains null terminated character strings */ | |
| 306 | #define SHF_INFO_LINK (1 << 6) /* sh_info holds section header table index */ | |
| 307 | #define SHF_LINK_ORDER (1 << 7) /* Preserve section ordering when linking */ | |
| 3ba3ce66 NC |
308 | #define SHF_OS_NONCONFORMING (1 << 8) /* OS specific processing required */ |
| 309 | #define SHF_GROUP (1 << 9) /* Member of a section group */ | |
| 0fc731e4 NC |
310 | |
| 311 | /* #define SHF_MASKOS 0x0F000000 *//* OS-specific semantics */ | |
| 312 | #define SHF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */ | |
| 252b5132 RH |
313 | #define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */ |
| 314 | ||
| 3ba3ce66 | 315 | /* Values of note segment descriptor types for core files. */ |
| 252b5132 RH |
316 | |
| 317 | #define NT_PRSTATUS 1 /* Contains copy of prstatus struct */ | |
| 318 | #define NT_FPREGSET 2 /* Contains copy of fpregset struct */ | |
| 319 | #define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */ | |
| 7e3c779a | 320 | #define NT_TASKSTRUCT 4 /* Contains copy of task struct */ |
| 0fc731e4 NC |
321 | #define NT_PRXFPREG 0x46e62b7f /* Contains a user_xfpregs_struct; */ |
| 322 | /* note name must be "LINUX". */ | |
| 252b5132 | 323 | |
| 3ba3ce66 | 324 | /* Note segments for core files on dir-style procfs systems. */ |
| 252b5132 RH |
325 | |
| 326 | #define NT_PSTATUS 10 /* Has a struct pstatus */ | |
| 327 | #define NT_FPREGS 12 /* Has a struct fpregset */ | |
| 328 | #define NT_PSINFO 13 /* Has a struct psinfo */ | |
| 329 | #define NT_LWPSTATUS 16 /* Has a struct lwpstatus_t */ | |
| 330 | #define NT_LWPSINFO 17 /* Has a struct lwpsinfo_t */ | |
| 879b0f76 | 331 | #define NT_WIN32PSTATUS 18 /* Has a struct win32_pstatus */ |
| 252b5132 RH |
332 | |
| 333 | /* Values of note segment descriptor types for object files. */ | |
| 334 | /* (Only for hppa right now. Should this be moved elsewhere?) */ | |
| 335 | ||
| 336 | #define NT_VERSION 1 /* Contains a version string. */ | |
| 337 | ||
| 338 | /* These three macros disassemble and assemble a symbol table st_info field, | |
| 339 | which contains the symbol binding and symbol type. The STB_ and STT_ | |
| 3ba3ce66 | 340 | defines identify the binding and type. */ |
| 252b5132 RH |
341 | |
| 342 | #define ELF_ST_BIND(val) (((unsigned int)(val)) >> 4) | |
| 343 | #define ELF_ST_TYPE(val) ((val) & 0xF) | |
| 344 | #define ELF_ST_INFO(bind,type) (((bind) << 4) + ((type) & 0xF)) | |
| 345 | ||
| 0fc731e4 NC |
346 | /* The 64bit and 32bit versions of these macros are identical, but |
| 347 | the ELF spec defines them, so here they are. */ | |
| 348 | #define ELF32_ST_BIND ELF_ST_BIND | |
| 349 | #define ELF32_ST_TYPE ELF_ST_TYPE | |
| 350 | #define ELF32_ST_INFO ELF_ST_INFO | |
| 351 | #define ELF64_ST_BIND ELF_ST_BIND | |
| 352 | #define ELF64_ST_TYPE ELF_ST_TYPE | |
| 353 | #define ELF64_ST_INFO ELF_ST_INFO | |
| 354 | ||
| 72509dcd | 355 | /* This macro disassembles and assembles a symbol's visibility into |
| 0fc731e4 NC |
356 | the st_other field. The STV_ defines specificy the actual visibility. */ |
| 357 | ||
| 358 | #define ELF_ST_VISIBILITY(v) ((v) & 0x3) | |
| ca47b30c NC |
359 | /* The remaining bits in the st_other field are not currently used. |
| 360 | They should be set to zero. */ | |
| 0fc731e4 NC |
361 | |
| 362 | #define ELF32_ST_VISIBILITY ELF_ST_VISIBILITY | |
| 0fc731e4 | 363 | #define ELF64_ST_VISIBILITY ELF_ST_VISIBILITY |
| 0fc731e4 NC |
364 | |
| 365 | ||
| 3ba3ce66 | 366 | #define STN_UNDEF 0 /* Undefined symbol index */ |
| 252b5132 RH |
367 | |
| 368 | #define STB_LOCAL 0 /* Symbol not visible outside obj */ | |
| 369 | #define STB_GLOBAL 1 /* Symbol visible outside obj */ | |
| 370 | #define STB_WEAK 2 /* Like globals, lower precedence */ | |
| 371 | #define STB_LOOS 10 /* OS-specific semantics */ | |
| 372 | #define STB_HIOS 12 /* OS-specific semantics */ | |
| 373 | #define STB_LOPROC 13 /* Application-specific semantics */ | |
| 374 | #define STB_HIPROC 15 /* Application-specific semantics */ | |
| 375 | ||
| 376 | #define STT_NOTYPE 0 /* Symbol type is unspecified */ | |
| 377 | #define STT_OBJECT 1 /* Symbol is a data object */ | |
| 378 | #define STT_FUNC 2 /* Symbol is a code object */ | |
| 379 | #define STT_SECTION 3 /* Symbol associated with a section */ | |
| 380 | #define STT_FILE 4 /* Symbol gives a file name */ | |
| 0fc731e4 | 381 | #define STT_COMMON 5 /* An uninitialised common block */ |
| 252b5132 RH |
382 | #define STT_LOOS 10 /* OS-specific semantics */ |
| 383 | #define STT_HIOS 12 /* OS-specific semantics */ | |
| 384 | #define STT_LOPROC 13 /* Application-specific semantics */ | |
| 385 | #define STT_HIPROC 15 /* Application-specific semantics */ | |
| 386 | ||
| 387 | /* Special section indices, which may show up in st_shndx fields, among | |
| 3ba3ce66 | 388 | other places. */ |
| 252b5132 RH |
389 | |
| 390 | #define SHN_UNDEF 0 /* Undefined section reference */ | |
| 391 | #define SHN_LORESERVE 0xFF00 /* Begin range of reserved indices */ | |
| 392 | #define SHN_LOPROC 0xFF00 /* Begin range of appl-specific */ | |
| 393 | #define SHN_HIPROC 0xFF1F /* End range of appl-specific */ | |
| 394 | #define SHN_LOOS 0xFF20 /* OS specific semantics, lo */ | |
| 395 | #define SHN_HIOS 0xFF3F /* OS specific semantics, hi */ | |
| 3ba3ce66 NC |
396 | #define SHN_ABS 0xFFF1 /* Associated symbol is absolute */ |
| 397 | #define SHN_COMMON 0xFFF2 /* Associated symbol is in common */ | |
| 398 | #define SHN_XINDEX 0xFFFF /* Section index it held elsewhere */ | |
| 399 | #define SHN_HIRESERVE 0xFFFF /* End range of reserved indices */ | |
| 252b5132 | 400 | |
| 0fc731e4 NC |
401 | /* The following constants control how a symbol may be accessed once it has |
| 402 | become part of an executable or shared library. */ | |
| 403 | ||
| 404 | #define STV_DEFAULT 0 /* Visibility is specified by binding type */ | |
| 405 | #define STV_INTERNAL 1 /* OS specific version of STV_HIDDEN */ | |
| 406 | #define STV_HIDDEN 2 /* Can only be seen inside currect component */ | |
| 407 | #define STV_PROTECTED 3 /* Treat as STB_LOCAL inside current component */ | |
| 0fc731e4 | 408 | |
| 3ba3ce66 | 409 | /* Relocation info handling macros. */ |
| 252b5132 RH |
410 | |
| 411 | #define ELF32_R_SYM(i) ((i) >> 8) | |
| 412 | #define ELF32_R_TYPE(i) ((i) & 0xff) | |
| 413 | #define ELF32_R_INFO(s,t) (((s) << 8) + ((t) & 0xff)) | |
| 414 | ||
| 415 | #define ELF64_R_SYM(i) ((i) >> 32) | |
| 416 | #define ELF64_R_TYPE(i) ((i) & 0xffffffff) | |
| 417 | #define ELF64_R_INFO(s,t) (((bfd_vma) (s) << 32) + (bfd_vma) (t)) | |
| 418 | ||
| 3ba3ce66 | 419 | /* Dynamic section tags. */ |
| 252b5132 RH |
420 | |
| 421 | #define DT_NULL 0 | |
| 422 | #define DT_NEEDED 1 | |
| 423 | #define DT_PLTRELSZ 2 | |
| 424 | #define DT_PLTGOT 3 | |
| 425 | #define DT_HASH 4 | |
| 426 | #define DT_STRTAB 5 | |
| 427 | #define DT_SYMTAB 6 | |
| 428 | #define DT_RELA 7 | |
| 429 | #define DT_RELASZ 8 | |
| 430 | #define DT_RELAENT 9 | |
| 431 | #define DT_STRSZ 10 | |
| 432 | #define DT_SYMENT 11 | |
| 433 | #define DT_INIT 12 | |
| 434 | #define DT_FINI 13 | |
| 435 | #define DT_SONAME 14 | |
| 436 | #define DT_RPATH 15 | |
| 437 | #define DT_SYMBOLIC 16 | |
| 438 | #define DT_REL 17 | |
| 439 | #define DT_RELSZ 18 | |
| 440 | #define DT_RELENT 19 | |
| 441 | #define DT_PLTREL 20 | |
| 442 | #define DT_DEBUG 21 | |
| 443 | #define DT_TEXTREL 22 | |
| 444 | #define DT_JMPREL 23 | |
| 445 | #define DT_BIND_NOW 24 | |
| 446 | #define DT_INIT_ARRAY 25 | |
| 447 | #define DT_FINI_ARRAY 26 | |
| 448 | #define DT_INIT_ARRAYSZ 27 | |
| 449 | #define DT_FINI_ARRAYSZ 28 | |
| 0fc731e4 NC |
450 | #define DT_RUNPATH 29 |
| 451 | #define DT_FLAGS 30 | |
| 2d0e6f43 NC |
452 | |
| 453 | #define DT_ENCODING 32 | |
| 454 | #define DT_PREINIT_ARRAY 32 | |
| 0fc731e4 | 455 | #define DT_PREINIT_ARRAYSZ 33 |
| 252b5132 | 456 | |
| 2d0e6f43 NC |
457 | /* Note, the Oct 4, 1999 draft of the ELF ABI changed the values |
| 458 | for DT_LOOS and DT_HIOS. Some implementations however, use | |
| 459 | values outside of the new range (see below). */ | |
| 460 | #define OLD_DT_LOOS 0x60000000 | |
| 461 | #define DT_LOOS 0x6000000d | |
| 462 | #define DT_HIOS 0x6fff0000 | |
| 463 | #define OLD_DT_HIOS 0x6fffffff | |
| 464 | ||
| 0fc731e4 NC |
465 | #define DT_LOPROC 0x70000000 |
| 466 | #define DT_HIPROC 0x7fffffff | |
| 252b5132 RH |
467 | |
| 468 | /* The next four dynamic tags are used on Solaris. We support them | |
| 2d0e6f43 NC |
469 | everywhere. Note these values lie outside of the (new) range for |
| 470 | OS specific values. This is a deliberate special case and we | |
| 471 | maintain it for backwards compatability. */ | |
| 252b5132 | 472 | #define DT_VALRNGLO 0x6ffffd00 |
| df70244c | 473 | #define DT_CHECKSUM 0x6ffffdf8 |
| 252b5132 RH |
474 | #define DT_PLTPADSZ 0x6ffffdf9 |
| 475 | #define DT_MOVEENT 0x6ffffdfa | |
| 476 | #define DT_MOVESZ 0x6ffffdfb | |
| 5b102b37 | 477 | #define DT_FEATURE 0x6ffffdfc |
| 252b5132 RH |
478 | #define DT_POSFLAG_1 0x6ffffdfd |
| 479 | #define DT_SYMINSZ 0x6ffffdfe | |
| 480 | #define DT_SYMINENT 0x6ffffdff | |
| 481 | #define DT_VALRNGHI 0x6ffffdff | |
| 482 | ||
| 483 | #define DT_ADDRRNGLO 0x6ffffe00 | |
| 5b102b37 L |
484 | #define DT_CONFIG 0x6ffffefa |
| 485 | #define DT_DEPAUDIT 0x6ffffefb | |
| 486 | #define DT_AUDIT 0x6ffffefc | |
| 487 | #define DT_PLTPAD 0x6ffffefd | |
| 488 | #define DT_MOVETAB 0x6ffffefe | |
| 252b5132 RH |
489 | #define DT_SYMINFO 0x6ffffeff |
| 490 | #define DT_ADDRRNGHI 0x6ffffeff | |
| 491 | ||
| 492 | #define DT_RELACOUNT 0x6ffffff9 | |
| 493 | #define DT_RELCOUNT 0x6ffffffa | |
| 494 | #define DT_FLAGS_1 0x6ffffffb | |
| 495 | #define DT_VERDEF 0x6ffffffc | |
| 496 | #define DT_VERDEFNUM 0x6ffffffd | |
| 497 | #define DT_VERNEED 0x6ffffffe | |
| 498 | #define DT_VERNEEDNUM 0x6fffffff | |
| 499 | ||
| 500 | /* This tag is a GNU extension to the Solaris version scheme. */ | |
| 501 | #define DT_VERSYM 0x6ffffff0 | |
| 502 | ||
| 503 | #define DT_LOPROC 0x70000000 | |
| 504 | #define DT_HIPROC 0x7fffffff | |
| 505 | ||
| 506 | /* These section tags are used on Solaris. We support them | |
| 507 | everywhere, and hope they do not conflict. */ | |
| 508 | ||
| 509 | #define DT_AUXILIARY 0x7ffffffd | |
| 510 | #define DT_USED 0x7ffffffe | |
| 511 | #define DT_FILTER 0x7fffffff | |
| 512 | ||
| 5b102b37 L |
513 | |
| 514 | /* Values used in DT_FEATURE .dynamic entry. */ | |
| 252b5132 | 515 | #define DTF_1_PARINIT 0x00000001 |
| df70244c | 516 | /* From |
| 5b102b37 L |
517 | |
| 518 | http://docs.sun.com:80/ab2/coll.45.13/LLM/@Ab2PageView/21165?Ab2Lang=C&Ab2Enc=iso-8859-1 | |
| 519 | ||
| df70244c | 520 | DTF_1_CONFEXP is the same as DTF_1_PARINIT. It is a typo. The value |
| 3ba3ce66 | 521 | defined here is the same as the one in <sys/link.h> on Solaris 8. */ |
| 5b102b37 | 522 | #define DTF_1_CONFEXP 0x00000002 |
| 252b5132 RH |
523 | |
| 524 | /* Flag values used in the DT_POSFLAG_1 .dynamic entry. */ | |
| 525 | #define DF_P1_LAZYLOAD 0x00000001 | |
| 526 | #define DF_P1_GROUPPERM 0x00000002 | |
| 527 | ||
| b2c5d9a3 | 528 | /* Flag value in in the DT_FLAGS_1 .dynamic entry. */ |
| 252b5132 RH |
529 | #define DF_1_NOW 0x00000001 |
| 530 | #define DF_1_GLOBAL 0x00000002 | |
| 531 | #define DF_1_GROUP 0x00000004 | |
| 532 | #define DF_1_NODELETE 0x00000008 | |
| 533 | #define DF_1_LOADFLTR 0x00000010 | |
| 534 | #define DF_1_INITFIRST 0x00000020 | |
| 535 | #define DF_1_NOOPEN 0x00000040 | |
| 536 | #define DF_1_ORIGIN 0x00000080 | |
| 537 | #define DF_1_DIRECT 0x00000100 | |
| 538 | #define DF_1_TRANS 0x00000200 | |
| 539 | #define DF_1_INTERPOSE 0x00000400 | |
| 58ed230f | 540 | #define DF_1_NODEFLIB 0x00000800 |
| 5b102b37 L |
541 | #define DF_1_NODUMP 0x00001000 |
| 542 | #define DF_1_CONLFAT 0x00002000 | |
| 252b5132 | 543 | |
| 0fc731e4 NC |
544 | /* Flag values for the DT_FLAGS entry. */ |
| 545 | #define DF_ORIGIN (1 << 0) | |
| 546 | #define DF_SYMBOLIC (1 << 1) | |
| 547 | #define DF_TEXTREL (1 << 2) | |
| 548 | #define DF_BIND_NOW (1 << 3) | |
| 549 | ||
| 252b5132 RH |
550 | /* These constants are used for the version number of a Elf32_Verdef |
| 551 | structure. */ | |
| 552 | ||
| 553 | #define VER_DEF_NONE 0 | |
| 554 | #define VER_DEF_CURRENT 1 | |
| 555 | ||
| 556 | /* These constants appear in the vd_flags field of a Elf32_Verdef | |
| 557 | structure. */ | |
| 558 | ||
| 559 | #define VER_FLG_BASE 0x1 | |
| 560 | #define VER_FLG_WEAK 0x2 | |
| 561 | ||
| 562 | /* These special constants can be found in an Elf32_Versym field. */ | |
| 563 | ||
| 564 | #define VER_NDX_LOCAL 0 | |
| 565 | #define VER_NDX_GLOBAL 1 | |
| 566 | ||
| 567 | /* These constants are used for the version number of a Elf32_Verneed | |
| 568 | structure. */ | |
| 569 | ||
| 570 | #define VER_NEED_NONE 0 | |
| 571 | #define VER_NEED_CURRENT 1 | |
| 572 | ||
| 573 | /* This flag appears in a Versym structure. It means that the symbol | |
| 574 | is hidden, and is only visible with an explicit version number. | |
| 575 | This is a GNU extension. */ | |
| 576 | ||
| 577 | #define VERSYM_HIDDEN 0x8000 | |
| 578 | ||
| 579 | /* This is the mask for the rest of the Versym information. */ | |
| 580 | ||
| 581 | #define VERSYM_VERSION 0x7fff | |
| 582 | ||
| 583 | /* This is a special token which appears as part of a symbol name. It | |
| 584 | indictes that the rest of the name is actually the name of a | |
| 585 | version node, and is not part of the actual name. This is a GNU | |
| 586 | extension. For example, the symbol name `stat@ver2' is taken to | |
| 587 | mean the symbol `stat' in version `ver2'. */ | |
| 588 | ||
| 589 | #define ELF_VER_CHR '@' | |
| 590 | ||
| 591 | /* Possible values for si_boundto. */ | |
| 3ba3ce66 | 592 | |
| 252b5132 RH |
593 | #define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */ |
| 594 | #define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */ | |
| 595 | #define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */ | |
| 596 | ||
| 597 | /* Possible bitmasks for si_flags. */ | |
| 3ba3ce66 | 598 | |
| 252b5132 RH |
599 | #define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */ |
| 600 | #define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */ | |
| 601 | #define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */ | |
| 3ba3ce66 NC |
602 | #define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy loaded */ |
| 603 | ||
| 252b5132 | 604 | /* Syminfo version values. */ |
| 3ba3ce66 | 605 | |
| 252b5132 RH |
606 | #define SYMINFO_NONE 0 |
| 607 | #define SYMINFO_CURRENT 1 | |
| 608 | #define SYMINFO_NUM 2 | |
| 609 | ||
| 3ba3ce66 NC |
610 | /* Section Group Flags. */ |
| 611 | ||
| 612 | #define GRP_COMDAT 0x1 /* A COMDAT group */ | |
| 613 | ||
| 252b5132 | 614 | #endif /* _ELF_COMMON_H */ |