common.h revision 215679
1164426Ssam/* ELF support for BFD. 2164426Ssam Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 3164426Ssam 2001, 2002, 2003 4164426Ssam Free Software Foundation, Inc. 5164426Ssam 6164426Ssam Written by Fred Fish @ Cygnus Support, from information published 7164426Ssam in "UNIX System V Release 4, Programmers Guide: ANSI C and 8164426Ssam Programming Support Tools". 9164426Ssam 10164426Ssam This file is part of BFD, the Binary File Descriptor library. 11164426Ssam 12164426Ssam This program is free software; you can redistribute it and/or modify 13164426Ssam it under the terms of the GNU General Public License as published by 14164426Ssam the Free Software Foundation; either version 2 of the License, or 15164426Ssam (at your option) any later version. 16164426Ssam 17164426Ssam This program is distributed in the hope that it will be useful, 18164426Ssam but WITHOUT ANY WARRANTY; without even the implied warranty of 19164426Ssam MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20164426Ssam GNU General Public License for more details. 21164426Ssam 22164426Ssam You should have received a copy of the GNU General Public License 23164426Ssam along with this program; if not, write to the Free Software 24164426Ssam Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 25164426Ssam 26164426Ssam 27164426Ssam/* This file is part of ELF support for BFD, and contains the portions 28164426Ssam that are common to both the internal and external representations. 29164426Ssam For example, ELFMAG0 is the byte 0x7F in both the internal (in-memory) 30164426Ssam and external (in-file) representations. */ 31164426Ssam 32164426Ssam#ifndef _ELF_COMMON_H 33164426Ssam#define _ELF_COMMON_H 34164426Ssam 35164426Ssam/* Fields in e_ident[]. */ 36164426Ssam 37164426Ssam#define EI_MAG0 0 /* File identification byte 0 index */ 38164426Ssam#define ELFMAG0 0x7F /* Magic number byte 0 */ 39164426Ssam 40164426Ssam#define EI_MAG1 1 /* File identification byte 1 index */ 41164426Ssam#define ELFMAG1 'E' /* Magic number byte 1 */ 42164426Ssam 43164426Ssam#define EI_MAG2 2 /* File identification byte 2 index */ 44164426Ssam#define ELFMAG2 'L' /* Magic number byte 2 */ 45164426Ssam 46164426Ssam#define EI_MAG3 3 /* File identification byte 3 index */ 47164426Ssam#define ELFMAG3 'F' /* Magic number byte 3 */ 48164426Ssam 49164426Ssam#define EI_CLASS 4 /* File class */ 50164426Ssam#define ELFCLASSNONE 0 /* Invalid class */ 51164426Ssam#define ELFCLASS32 1 /* 32-bit objects */ 52164426Ssam#define ELFCLASS64 2 /* 64-bit objects */ 53164426Ssam 54164426Ssam#define EI_DATA 5 /* Data encoding */ 55164426Ssam#define ELFDATANONE 0 /* Invalid data encoding */ 56164426Ssam#define ELFDATA2LSB 1 /* 2's complement, little endian */ 57164426Ssam#define ELFDATA2MSB 2 /* 2's complement, big endian */ 58164426Ssam 59164426Ssam#define EI_VERSION 6 /* File version */ 60164426Ssam 61164426Ssam#define EI_OSABI 7 /* Operating System/ABI indication */ 62164426Ssam#define ELFOSABI_NONE 0 /* UNIX System V ABI */ 63164426Ssam#define ELFOSABI_HPUX 1 /* HP-UX operating system */ 64164426Ssam#define ELFOSABI_NETBSD 2 /* NetBSD */ 65164426Ssam#define ELFOSABI_LINUX 3 /* GNU/Linux */ 66164426Ssam#define ELFOSABI_HURD 4 /* GNU/Hurd */ 67186352Ssam#define ELFOSABI_SOLARIS 6 /* Solaris */ 68236987Simp#define ELFOSABI_AIX 7 /* AIX */ 69164426Ssam#define ELFOSABI_IRIX 8 /* IRIX */ 70164426Ssam#define ELFOSABI_FREEBSD 9 /* FreeBSD */ 71186352Ssam#define ELFOSABI_TRU64 10 /* TRU64 UNIX */ 72164426Ssam#define ELFOSABI_MODESTO 11 /* Novell Modesto */ 73164426Ssam#define ELFOSABI_OPENBSD 12 /* OpenBSD */ 74164426Ssam#define ELFOSABI_OPENVMS 13 /* OpenVMS */ 75164426Ssam#define ELFOSABI_NSK 14 /* Hewlett-Packard Non-Stop Kernel */ 76186352Ssam#define ELFOSABI_AROS 15 /* Amiga Research OS */ 77186352Ssam#define ELFOSABI_ARM 97 /* ARM */ 78186352Ssam#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ 79188088Ssam 80188088Ssam#define EI_ABIVERSION 8 /* ABI version */ 81188088Ssam 82188088Ssam#define EI_PAD 9 /* Start of padding bytes */ 83164426Ssam 84164426Ssam 85186352Ssam/* Values for e_type, which identifies the object file type. */ 86164426Ssam 87164426Ssam#define ET_NONE 0 /* No file type */ 88186352Ssam#define ET_REL 1 /* Relocatable file */ 89186352Ssam#define ET_EXEC 2 /* Executable file */ 90164426Ssam#define ET_DYN 3 /* Shared object file */ 91194654Ssam#define ET_CORE 4 /* Core file */ 92194654Ssam#define ET_LOOS 0xFE00 /* Operating system-specific */ 93194654Ssam#define ET_HIOS 0xFEFF /* Operating system-specific */ 94194654Ssam#define ET_LOPROC 0xFF00 /* Processor-specific */ 95186352Ssam#define ET_HIPROC 0xFFFF /* Processor-specific */ 96189463Ssam 97186352Ssam/* Values for e_machine, which identifies the architecture. These numbers 98189463Ssam are officially assigned by registry@caldera.com. See below for a list of 99189463Ssam ad-hoc numbers used during initial development. */ 100189463Ssam 101189463Ssam#define EM_NONE 0 /* No machine */ 102189463Ssam#define EM_M32 1 /* AT&T WE 32100 */ 103189463Ssam#define EM_SPARC 2 /* SUN SPARC */ 104189463Ssam#define EM_386 3 /* Intel 80386 */ 105186352Ssam#define EM_68K 4 /* Motorola m68k family */ 106186352Ssam#define EM_88K 5 /* Motorola m88k family */ 107189463Ssam#define EM_486 6 /* Intel 80486 *//* Reserved for future use */ 108189463Ssam#define EM_860 7 /* Intel 80860 */ 109186352Ssam#define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */ 110186352Ssam#define EM_S370 9 /* IBM System/370 */ 111189463Ssam#define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian (Oct 4 1999 Draft) Deprecated */ 112186352Ssam 113186352Ssam#define EM_PARISC 15 /* HPPA */ 114186352Ssam 115186352Ssam#define EM_VPP550 17 /* Fujitsu VPP500 */ 116186352Ssam#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ 117186352Ssam#define EM_960 19 /* Intel 80960 */ 118186352Ssam#define EM_PPC 20 /* PowerPC */ 119186352Ssam#define EM_PPC64 21 /* 64-bit PowerPC */ 120186352Ssam#define EM_S390 22 /* IBM S/390 */ 121186352Ssam 122164426Ssam#define EM_V800 36 /* NEC V800 series */ 123164426Ssam#define EM_FR20 37 /* Fujitsu FR20 */ 124164426Ssam#define EM_RH32 38 /* TRW RH32 */ 125164426Ssam#define EM_MCORE 39 /* Motorola M*Core */ /* May also be taken by Fujitsu MMA */ 126164426Ssam#define EM_RCE 39 /* Old name for MCore */ 127164426Ssam#define EM_ARM 40 /* ARM */ 128164426Ssam#define EM_OLD_ALPHA 41 /* Digital Alpha */ 129164426Ssam#define EM_SH 42 /* Renesas (formerly Hitachi) / SuperH SH */ 130164426Ssam#define EM_SPARCV9 43 /* SPARC v9 64-bit */ 131164426Ssam#define EM_TRICORE 44 /* Siemens Tricore embedded processor */ 132164426Ssam#define EM_ARC 45 /* ARC Cores */ 133189463Ssam#define EM_H8_300 46 /* Renesas (formerly Hitachi) H8/300 */ 134164426Ssam#define EM_H8_300H 47 /* Renesas (formerly Hitachi) H8/300H */ 135164426Ssam#define EM_H8S 48 /* Renesas (formerly Hitachi) H8S */ 136164426Ssam#define EM_H8_500 49 /* Renesas (formerly Hitachi) H8/500 */ 137164426Ssam#define EM_IA_64 50 /* Intel IA-64 Processor */ 138164426Ssam#define EM_MIPS_X 51 /* Stanford MIPS-X */ 139164426Ssam#define EM_COLDFIRE 52 /* Motorola Coldfire */ 140164426Ssam#define EM_68HC12 53 /* Motorola M68HC12 */ 141164426Ssam#define EM_MMA 54 /* Fujitsu Multimedia Accelerator */ 142164426Ssam#define EM_PCP 55 /* Siemens PCP */ 143186352Ssam#define EM_NCPU 56 /* Sony nCPU embedded RISC processor */ 144186352Ssam#define EM_NDR1 57 /* Denso NDR1 microprocesspr */ 145164426Ssam#define EM_STARCORE 58 /* Motorola Star*Core processor */ 146189463Ssam#define EM_ME16 59 /* Toyota ME16 processor */ 147186352Ssam#define EM_ST100 60 /* STMicroelectronics ST100 processor */ 148164426Ssam#define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded processor */ 149164426Ssam#define EM_X86_64 62 /* Advanced Micro Devices X86-64 processor */ 150164426Ssam 151164426Ssam#define EM_PDP10 64 /* Digital Equipment Corp. PDP-10 */ 152164426Ssam#define EM_PDP11 65 /* Digital Equipment Corp. PDP-11 */ 153164426Ssam#define EM_FX66 66 /* Siemens FX66 microcontroller */ 154164426Ssam#define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */ 155164426Ssam#define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */ 156164426Ssam#define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */ 157164426Ssam#define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */ 158164426Ssam#define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */ 159164426Ssam#define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */ 160164426Ssam#define EM_SVX 73 /* Silicon Graphics SVx */ 161164426Ssam#define EM_ST19 74 /* STMicroelectronics ST19 8-bit cpu */ 162164426Ssam#define EM_VAX 75 /* Digital VAX */ 163164426Ssam#define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */ 164164426Ssam#define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded cpu */ 165164426Ssam#define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */ 166164426Ssam#define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */ 167164426Ssam#define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */ 168164426Ssam#define EM_HUANY 81 /* Harvard's machine-independent format */ 169164426Ssam#define EM_PRISM 82 /* SiTera Prism */ 170164426Ssam#define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */ 171164426Ssam#define EM_FR30 84 /* Fujitsu FR30 */ 172164426Ssam#define EM_D10V 85 /* Mitsubishi D10V */ 173164426Ssam#define EM_D30V 86 /* Mitsubishi D30V */ 174164426Ssam#define EM_V850 87 /* NEC v850 */ 175164426Ssam#define EM_M32R 88 /* Renesas M32R (formerly Mitsubishi M32R) */ 176164426Ssam#define EM_MN10300 89 /* Matsushita MN10300 */ 177164426Ssam#define EM_MN10200 90 /* Matsushita MN10200 */ 178164426Ssam#define EM_PJ 91 /* picoJava */ 179164426Ssam#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ 180164426Ssam#define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */ 181164426Ssam#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ 182164426Ssam#define EM_IP2K 101 /* Ubicom IP2022 micro controller */ 183164426Ssam#define EM_MSP430 105 /* TI msp430 micro controller */ 184164426Ssam 185164426Ssam/* If it is necessary to assign new unofficial EM_* values, please pick large 186164426Ssam random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision 187164426Ssam with official or non-GNU unofficial values. 188164426Ssam 189164426Ssam NOTE: Do not just increment the most recent number by one. 190164426Ssam Somebody else somewhere will do exactly the same thing, and you 191164426Ssam will have a collision. Instead, pick a random number. 192164426Ssam 193164426Ssam Normally, each entity or maintainer responsible for a machine with an 194164426Ssam unofficial e_machine number should eventually ask registry@caldera.com for 195164426Ssam an officially blessed number to be added to the list above. */ 196164426Ssam 197164426Ssam#define EM_PJ_OLD 99 /* picoJava */ 198164426Ssam 199164426Ssam/* Cygnus PowerPC ELF backend. Written in the absence of an ABI. */ 200164426Ssam#define EM_CYGNUS_POWERPC 0x9025 201164426Ssam 202164426Ssam/* Old version of Sparc v9, from before the ABI; this should be 203164426Ssam removed shortly. */ 204164426Ssam#define EM_OLD_SPARCV9 11 205164426Ssam 206164426Ssam/* Old version of PowerPC, this should be removed shortly. */ 207164426Ssam#define EM_PPC_OLD 17 208164426Ssam 209164426Ssam/* (Deprecated) Temporary number for the OpenRISC processor. */ 210164426Ssam#define EM_OR32 0x8472 211164426Ssam 212164426Ssam/* Cygnus M32R ELF backend. Written in the absence of an ABI. */ 213164426Ssam#define EM_CYGNUS_M32R 0x9041 214164426Ssam 215164426Ssam/* Alpha backend magic number. Written in the absence of an ABI. */ 216164426Ssam#define EM_ALPHA 0x9026 217164426Ssam 218164426Ssam/* old S/390 backend magic number. Written in the absence of an ABI. */ 219164426Ssam#define EM_S390_OLD 0xa390 220164426Ssam 221164426Ssam/* D10V backend magic number. Written in the absence of an ABI. */ 222164426Ssam#define EM_CYGNUS_D10V 0x7650 223164426Ssam 224164426Ssam/* D30V backend magic number. Written in the absence of an ABI. */ 225164426Ssam#define EM_CYGNUS_D30V 0x7676 226164426Ssam 227164426Ssam/* V850 backend magic number. Written in the absense of an ABI. */ 228164426Ssam#define EM_CYGNUS_V850 0x9080 229164426Ssam 230164426Ssam/* mn10200 and mn10300 backend magic numbers. 231164426Ssam Written in the absense of an ABI. */ 232164426Ssam#define EM_CYGNUS_MN10200 0xdead 233164426Ssam#define EM_CYGNUS_MN10300 0xbeef 234164426Ssam 235164426Ssam/* FR30 magic number - no EABI available. */ 236164426Ssam#define EM_CYGNUS_FR30 0x3330 237164426Ssam 238164426Ssam/* AVR magic number 239164426Ssam Written in the absense of an ABI. */ 240164426Ssam#define EM_AVR_OLD 0x1057 241164426Ssam 242164426Ssam/* OpenRISC magic number 243164426Ssam Written in the absense of an ABI. */ 244164426Ssam#define EM_OPENRISC_OLD 0x3426 245164426Ssam 246164426Ssam/* DLX magic number 247164426Ssam Written in the absense of an ABI. */ 248164426Ssam#define EM_DLX 0x5aa5 249164426Ssam 250164426Ssam#define EM_XSTORMY16 0xad45 251164426Ssam 252164426Ssam/* FRV magic number - no EABI available??. */ 253164426Ssam#define EM_CYGNUS_FRV 0x5441 254164426Ssam 255164426Ssam/* Ubicom IP2xxx; no ABI */ 256164426Ssam#define EM_IP2K_OLD 0x8217 257186352Ssam 258186352Ssam/* MSP430 magic number 259186352Ssam Written in the absense everything. */ 260186352Ssam#define EM_MSP430_OLD 0x1059 261186352Ssam 262186352Ssam/* Vitesse IQ2000. */ 263186352Ssam#define EM_IQ2000 0xFEBA 264186352Ssam 265186352Ssam/* Old, unofficial value for Xtensa. */ 266186352Ssam#define EM_XTENSA_OLD 0xabc7 267186352Ssam 268186352Ssam/* See the above comment before you add a new EM_* value here. */ 269164426Ssam 270164426Ssam/* Values for e_version. */ 271164426Ssam 272164426Ssam#define EV_NONE 0 /* Invalid ELF version */ 273164426Ssam#define EV_CURRENT 1 /* Current version */ 274164426Ssam 275164426Ssam/* Values for program header, p_type field. */ 276164426Ssam 277164426Ssam#define PT_NULL 0 /* Program header table entry unused */ 278164426Ssam#define PT_LOAD 1 /* Loadable program segment */ 279164426Ssam#define PT_DYNAMIC 2 /* Dynamic linking information */ 280164426Ssam#define PT_INTERP 3 /* Program interpreter */ 281164426Ssam#define PT_NOTE 4 /* Auxiliary information */ 282164426Ssam#define PT_SHLIB 5 /* Reserved, unspecified semantics */ 283164426Ssam#define PT_PHDR 6 /* Entry for header table itself */ 284186352Ssam#define PT_TLS 7 /* Thread local storage segment */ 285186352Ssam#define PT_LOOS 0x60000000 /* OS-specific */ 286186352Ssam#define PT_HIOS 0x6fffffff /* OS-specific */ 287186352Ssam#define PT_LOPROC 0x70000000 /* Processor-specific */ 288186352Ssam#define PT_HIPROC 0x7FFFFFFF /* Processor-specific */ 289164426Ssam 290164426Ssam#define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550) 291164426Ssam#define PT_GNU_STACK (PT_LOOS + 0x474e551) 292164426Ssam 293164426Ssam/* Program segment permissions, in program header p_flags field. */ 294164426Ssam 295164426Ssam#define PF_X (1 << 0) /* Segment is executable */ 296164426Ssam#define PF_W (1 << 1) /* Segment is writable */ 297164426Ssam#define PF_R (1 << 2) /* Segment is readable */ 298164426Ssam/* #define PF_MASKOS 0x0F000000 *//* OS-specific reserved bits */ 299164426Ssam#define PF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */ 300164426Ssam#define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */ 301164426Ssam 302164426Ssam/* Values for section header, sh_type field. */ 303164426Ssam 304164426Ssam#define SHT_NULL 0 /* Section header table entry unused */ 305164426Ssam#define SHT_PROGBITS 1 /* Program specific (private) data */ 306164426Ssam#define SHT_SYMTAB 2 /* Link editing symbol table */ 307164426Ssam#define SHT_STRTAB 3 /* A string table */ 308164426Ssam#define SHT_RELA 4 /* Relocation entries with addends */ 309164426Ssam#define SHT_HASH 5 /* A symbol hash table */ 310164426Ssam#define SHT_DYNAMIC 6 /* Information for dynamic linking */ 311164426Ssam#define SHT_NOTE 7 /* Information that marks file */ 312164426Ssam#define SHT_NOBITS 8 /* Section occupies no space in file */ 313164426Ssam#define SHT_REL 9 /* Relocation entries, no addends */ 314164426Ssam#define SHT_SHLIB 10 /* Reserved, unspecified semantics */ 315164426Ssam#define SHT_DYNSYM 11 /* Dynamic linking symbol table */ 316164426Ssam 317164426Ssam#define SHT_INIT_ARRAY 14 /* Array of ptrs to init functions */ 318164426Ssam#define SHT_FINI_ARRAY 15 /* Array of ptrs to finish functions */ 319164426Ssam#define SHT_PREINIT_ARRAY 16 /* Array of ptrs to pre-init funcs */ 320164426Ssam#define SHT_GROUP 17 /* Section contains a section group */ 321164426Ssam#define SHT_SYMTAB_SHNDX 18 /* Indicies for SHN_XINDEX entries */ 322164426Ssam 323164426Ssam#define SHT_LOOS 0x60000000 /* First of OS specific semantics */ 324164426Ssam#define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */ 325164426Ssam 326214946Sthompsa#define SHT_GNU_LIBLIST 0x6ffffff7 /* List of prelink dependencies */ 327214946Sthompsa 328164426Ssam/* The next three section types are defined by Solaris, and are named 329164426Ssam SHT_SUNW*. We use them in GNU code, so we also define SHT_GNU* 330164426Ssam versions. */ 331164426Ssam#define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */ 332189463Ssam#define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */ 333189463Ssam#define SHT_SUNW_versym 0x6fffffff /* Symbol versions */ 334164426Ssam 335164426Ssam#define SHT_GNU_verdef SHT_SUNW_verdef 336164426Ssam#define SHT_GNU_verneed SHT_SUNW_verneed 337164426Ssam#define SHT_GNU_versym SHT_SUNW_versym 338164426Ssam 339164426Ssam#define SHT_LOPROC 0x70000000 /* Processor-specific semantics, lo */ 340164426Ssam#define SHT_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */ 341164426Ssam#define SHT_LOUSER 0x80000000 /* Application-specific semantics */ 342164426Ssam/* #define SHT_HIUSER 0x8FFFFFFF *//* Application-specific semantics */ 343164426Ssam#define SHT_HIUSER 0xFFFFFFFF /* New value, defined in Oct 4, 1999 Draft */ 344164426Ssam 345164426Ssam/* Values for section header, sh_flags field. */ 346164426Ssam 347164426Ssam#define SHF_WRITE (1 << 0) /* Writable data during execution */ 348164426Ssam#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */ 349164426Ssam#define SHF_EXECINSTR (1 << 2) /* Executable machine instructions */ 350164426Ssam#define SHF_MERGE (1 << 4) /* Data in this section can be merged */ 351164426Ssam#define SHF_STRINGS (1 << 5) /* Contains null terminated character strings */ 352164426Ssam#define SHF_INFO_LINK (1 << 6) /* sh_info holds section header table index */ 353164426Ssam#define SHF_LINK_ORDER (1 << 7) /* Preserve section ordering when linking */ 354164426Ssam#define SHF_OS_NONCONFORMING (1 << 8) /* OS specific processing required */ 355164426Ssam#define SHF_GROUP (1 << 9) /* Member of a section group */ 356164426Ssam#define SHF_TLS (1 << 10) /* Thread local storage section */ 357164426Ssam 358164426Ssam/* #define SHF_MASKOS 0x0F000000 *//* OS-specific semantics */ 359164426Ssam#define SHF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */ 360164426Ssam#define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */ 361164426Ssam 362164426Ssam/* Values of note segment descriptor types for core files. */ 363164426Ssam 364164426Ssam#define NT_PRSTATUS 1 /* Contains copy of prstatus struct */ 365164426Ssam#define NT_FPREGSET 2 /* Contains copy of fpregset struct */ 366164426Ssam#define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */ 367164426Ssam#define NT_TASKSTRUCT 4 /* Contains copy of task struct */ 368164426Ssam#define NT_AUXV 6 /* Contains copy of Elfxx_auxv_t */ 369164426Ssam#define NT_THRMISC 7 /* Contains copy of thrmisc struct */ 370164426Ssam#define NT_PRXFPREG 0x46e62b7f /* Contains a user_xfpregs_struct; */ 371164426Ssam /* note name must be "LINUX". */ 372164426Ssam 373164426Ssam/* Note segments for core files on dir-style procfs systems. */ 374164426Ssam 375164426Ssam#define NT_PSTATUS 10 /* Has a struct pstatus */ 376164426Ssam#define NT_FPREGS 12 /* Has a struct fpregset */ 377164426Ssam#define NT_PSINFO 13 /* Has a struct psinfo */ 378164426Ssam#define NT_LWPSTATUS 16 /* Has a struct lwpstatus_t */ 379164426Ssam#define NT_LWPSINFO 17 /* Has a struct lwpsinfo_t */ 380164426Ssam#define NT_WIN32PSTATUS 18 /* Has a struct win32_pstatus */ 381164426Ssam 382164426Ssam 383164426Ssam/* Note segments for core files on NetBSD systems. Note name 384164426Ssam must start with "NetBSD-CORE". */ 385164426Ssam 386164426Ssam#define NT_NETBSDCORE_PROCINFO 1 /* Has a struct procinfo */ 387164426Ssam#define NT_NETBSDCORE_FIRSTMACH 32 /* start of machdep note types */ 388164426Ssam 389164426Ssam 390164426Ssam/* Values of note segment descriptor types for object files. */ 391164426Ssam 392164426Ssam#define NT_VERSION 1 /* Contains a version string. */ 393164426Ssam#define NT_ARCH 2 /* Contains an architecture string. */ 394164426Ssam 395164426Ssam/* Values for GNU .note.ABI-tag notes. Note name is "GNU". */ 396164426Ssam 397164426Ssam#define NT_GNU_ABI_TAG 1 398164426Ssam#define GNU_ABI_TAG_LINUX 0 399164426Ssam#define GNU_ABI_TAG_HURD 1 400164426Ssam#define GNU_ABI_TAG_SOLARIS 2 401164426Ssam#define GNU_ABI_TAG_FREEBSD 3 402164426Ssam#define GNU_ABI_TAG_NETBSD 4 403261455Seadler 404164426Ssam/* Values for NetBSD .note.netbsd.ident notes. Note name is "NetBSD". */ 405164426Ssam 406164426Ssam#define NT_NETBSD_IDENT 1 407164426Ssam 408164426Ssam/* Values for OpenBSD .note.openbsd.ident notes. Note name is "OpenBSD". */ 409164426Ssam 410186418Ssam#define NT_OPENBSD_IDENT 1 411164426Ssam 412164426Ssam/* Values for FreeBSD .note.ABI-tag notes. Note name is "FreeBSD". */ 413164426Ssam 414164426Ssam#define NT_FREEBSD_ABI_TAG 1 415164426Ssam 416164426Ssam/* These three macros disassemble and assemble a symbol table st_info field, 417164426Ssam which contains the symbol binding and symbol type. The STB_ and STT_ 418164426Ssam defines identify the binding and type. */ 419164426Ssam 420186418Ssam#define ELF_ST_BIND(val) (((unsigned int)(val)) >> 4) 421186418Ssam#define ELF_ST_TYPE(val) ((val) & 0xF) 422186418Ssam#define ELF_ST_INFO(bind,type) (((bind) << 4) + ((type) & 0xF)) 423164426Ssam 424186418Ssam/* The 64bit and 32bit versions of these macros are identical, but 425186418Ssam the ELF spec defines them, so here they are. */ 426186418Ssam#define ELF32_ST_BIND ELF_ST_BIND 427186418Ssam#define ELF32_ST_TYPE ELF_ST_TYPE 428186418Ssam#define ELF32_ST_INFO ELF_ST_INFO 429186418Ssam#define ELF64_ST_BIND ELF_ST_BIND 430186418Ssam#define ELF64_ST_TYPE ELF_ST_TYPE 431186418Ssam#define ELF64_ST_INFO ELF_ST_INFO 432164426Ssam 433186418Ssam/* This macro disassembles and assembles a symbol's visibility into 434186418Ssam the st_other field. The STV_ defines specificy the actual visibility. */ 435186418Ssam 436186418Ssam#define ELF_ST_VISIBILITY(v) ((v) & 0x3) 437186418Ssam/* The remaining bits in the st_other field are not currently used. 438186418Ssam They should be set to zero. */ 439186418Ssam 440186418Ssam#define ELF32_ST_VISIBILITY ELF_ST_VISIBILITY 441164426Ssam#define ELF64_ST_VISIBILITY ELF_ST_VISIBILITY 442164426Ssam 443164426Ssam 444164426Ssam#define STN_UNDEF 0 /* Undefined symbol index */ 445189463Ssam 446189463Ssam#define STB_LOCAL 0 /* Symbol not visible outside obj */ 447164426Ssam#define STB_GLOBAL 1 /* Symbol visible outside obj */ 448186352Ssam#define STB_WEAK 2 /* Like globals, lower precedence */ 449186352Ssam#define STB_LOOS 10 /* OS-specific semantics */ 450164426Ssam#define STB_HIOS 12 /* OS-specific semantics */ 451164426Ssam#define STB_LOPROC 13 /* Application-specific semantics */ 452164426Ssam#define STB_HIPROC 15 /* Application-specific semantics */ 453164426Ssam 454164426Ssam#define STT_NOTYPE 0 /* Symbol type is unspecified */ 455164426Ssam#define STT_OBJECT 1 /* Symbol is a data object */ 456164426Ssam#define STT_FUNC 2 /* Symbol is a code object */ 457164426Ssam#define STT_SECTION 3 /* Symbol associated with a section */ 458164426Ssam#define STT_FILE 4 /* Symbol gives a file name */ 459164426Ssam#define STT_COMMON 5 /* An uninitialised common block */ 460164426Ssam#define STT_TLS 6 /* Thread local data object */ 461164426Ssam#define STT_LOOS 10 /* OS-specific semantics */ 462164426Ssam#define STT_HIOS 12 /* OS-specific semantics */ 463164426Ssam#define STT_LOPROC 13 /* Application-specific semantics */ 464164426Ssam#define STT_HIPROC 15 /* Application-specific semantics */ 465164426Ssam 466164426Ssam/* Special section indices, which may show up in st_shndx fields, among 467164426Ssam other places. */ 468164426Ssam 469164426Ssam#define SHN_UNDEF 0 /* Undefined section reference */ 470164426Ssam#define SHN_LORESERVE 0xFF00 /* Begin range of reserved indices */ 471164426Ssam#define SHN_LOPROC 0xFF00 /* Begin range of appl-specific */ 472164426Ssam#define SHN_HIPROC 0xFF1F /* End range of appl-specific */ 473164426Ssam#define SHN_LOOS 0xFF20 /* OS specific semantics, lo */ 474164426Ssam#define SHN_HIOS 0xFF3F /* OS specific semantics, hi */ 475164426Ssam#define SHN_ABS 0xFFF1 /* Associated symbol is absolute */ 476164426Ssam#define SHN_COMMON 0xFFF2 /* Associated symbol is in common */ 477164426Ssam#define SHN_XINDEX 0xFFFF /* Section index is held elsewhere */ 478164426Ssam#define SHN_HIRESERVE 0xFFFF /* End range of reserved indices */ 479164426Ssam#define SHN_BAD ((unsigned) -1) /* Used internally by bfd */ 480164426Ssam 481164426Ssam/* The following constants control how a symbol may be accessed once it has 482164426Ssam become part of an executable or shared library. */ 483164426Ssam 484164426Ssam#define STV_DEFAULT 0 /* Visibility is specified by binding type */ 485164426Ssam#define STV_INTERNAL 1 /* OS specific version of STV_HIDDEN */ 486164426Ssam#define STV_HIDDEN 2 /* Can only be seen inside currect component */ 487164426Ssam#define STV_PROTECTED 3 /* Treat as STB_LOCAL inside current component */ 488164426Ssam 489164426Ssam/* Relocation info handling macros. */ 490164426Ssam 491164426Ssam#define ELF32_R_SYM(i) ((i) >> 8) 492164426Ssam#define ELF32_R_TYPE(i) ((i) & 0xff) 493164426Ssam#define ELF32_R_INFO(s,t) (((s) << 8) + ((t) & 0xff)) 494164426Ssam 495164426Ssam#define ELF64_R_SYM(i) ((i) >> 32) 496164426Ssam#define ELF64_R_TYPE(i) ((i) & 0xffffffff) 497164426Ssam#define ELF64_R_INFO(s,t) (((bfd_vma) (s) << 32) + (bfd_vma) (t)) 498164426Ssam 499164426Ssam/* Dynamic section tags. */ 500164426Ssam 501164426Ssam#define DT_NULL 0 502164426Ssam#define DT_NEEDED 1 503164426Ssam#define DT_PLTRELSZ 2 504164426Ssam#define DT_PLTGOT 3 505164426Ssam#define DT_HASH 4 506164426Ssam#define DT_STRTAB 5 507164426Ssam#define DT_SYMTAB 6 508164426Ssam#define DT_RELA 7 509164426Ssam#define DT_RELASZ 8 510164426Ssam#define DT_RELAENT 9 511164426Ssam#define DT_STRSZ 10 512164426Ssam#define DT_SYMENT 11 513164426Ssam#define DT_INIT 12 514164426Ssam#define DT_FINI 13 515164426Ssam#define DT_SONAME 14 516164426Ssam#define DT_RPATH 15 517164426Ssam#define DT_SYMBOLIC 16 518164426Ssam#define DT_REL 17 519164426Ssam#define DT_RELSZ 18 520164426Ssam#define DT_RELENT 19 521164426Ssam#define DT_PLTREL 20 522164426Ssam#define DT_DEBUG 21 523164426Ssam#define DT_TEXTREL 22 524164426Ssam#define DT_JMPREL 23 525164426Ssam#define DT_BIND_NOW 24 526164426Ssam#define DT_INIT_ARRAY 25 527164426Ssam#define DT_FINI_ARRAY 26 528164426Ssam#define DT_INIT_ARRAYSZ 27 529164426Ssam#define DT_FINI_ARRAYSZ 28 530164426Ssam#define DT_RUNPATH 29 531164426Ssam#define DT_FLAGS 30 532164426Ssam#define DT_ENCODING 31 533164426Ssam#define DT_PREINIT_ARRAY 32 534164426Ssam#define DT_PREINIT_ARRAYSZ 33 535164426Ssam 536164426Ssam/* Note, the Oct 4, 1999 draft of the ELF ABI changed the values 537164426Ssam for DT_LOOS and DT_HIOS. Some implementations however, use 538164426Ssam values outside of the new range (see below). */ 539164426Ssam#define OLD_DT_LOOS 0x60000000 540164426Ssam#define DT_LOOS 0x6000000d 541164426Ssam#define DT_HIOS 0x6ffff000 542164426Ssam#define OLD_DT_HIOS 0x6fffffff 543164426Ssam 544164426Ssam#define DT_LOPROC 0x70000000 545164426Ssam#define DT_HIPROC 0x7fffffff 546164426Ssam 547164426Ssam/* The next four dynamic tags are used on Solaris. We support them 548164426Ssam everywhere. Note these values lie outside of the (new) range for 549164426Ssam OS specific values. This is a deliberate special case and we 550164426Ssam maintain it for backwards compatability. */ 551164426Ssam#define DT_VALRNGLO 0x6ffffd00 552164426Ssam#define DT_GNU_PRELINKED 0x6ffffdf5 553164426Ssam#define DT_GNU_CONFLICTSZ 0x6ffffdf6 554164426Ssam#define DT_GNU_LIBLISTSZ 0x6ffffdf7 555164426Ssam#define DT_CHECKSUM 0x6ffffdf8 556164426Ssam#define DT_PLTPADSZ 0x6ffffdf9 557164426Ssam#define DT_MOVEENT 0x6ffffdfa 558186352Ssam#define DT_MOVESZ 0x6ffffdfb 559186352Ssam#define DT_FEATURE 0x6ffffdfc 560186352Ssam#define DT_POSFLAG_1 0x6ffffdfd 561186352Ssam#define DT_SYMINSZ 0x6ffffdfe 562186352Ssam#define DT_SYMINENT 0x6ffffdff 563186352Ssam#define DT_VALRNGHI 0x6ffffdff 564186352Ssam 565186352Ssam#define DT_ADDRRNGLO 0x6ffffe00 566186352Ssam#define DT_GNU_CONFLICT 0x6ffffef8 567186352Ssam#define DT_GNU_LIBLIST 0x6ffffef9 568186352Ssam#define DT_CONFIG 0x6ffffefa 569186352Ssam#define DT_DEPAUDIT 0x6ffffefb 570186352Ssam#define DT_AUDIT 0x6ffffefc 571186352Ssam#define DT_PLTPAD 0x6ffffefd 572186352Ssam#define DT_MOVETAB 0x6ffffefe 573186352Ssam#define DT_SYMINFO 0x6ffffeff 574186352Ssam#define DT_ADDRRNGHI 0x6ffffeff 575186352Ssam 576186352Ssam#define DT_RELACOUNT 0x6ffffff9 577186352Ssam#define DT_RELCOUNT 0x6ffffffa 578186352Ssam#define DT_FLAGS_1 0x6ffffffb 579186352Ssam#define DT_VERDEF 0x6ffffffc 580164426Ssam#define DT_VERDEFNUM 0x6ffffffd 581164426Ssam#define DT_VERNEED 0x6ffffffe 582164426Ssam#define DT_VERNEEDNUM 0x6fffffff 583164426Ssam 584164426Ssam/* This tag is a GNU extension to the Solaris version scheme. */ 585164426Ssam#define DT_VERSYM 0x6ffffff0 586164426Ssam 587164426Ssam#define DT_LOPROC 0x70000000 588164426Ssam#define DT_HIPROC 0x7fffffff 589164426Ssam 590164426Ssam/* These section tags are used on Solaris. We support them 591164426Ssam everywhere, and hope they do not conflict. */ 592164426Ssam 593164426Ssam#define DT_AUXILIARY 0x7ffffffd 594164426Ssam#define DT_USED 0x7ffffffe 595164426Ssam#define DT_FILTER 0x7fffffff 596164426Ssam 597164426Ssam 598164426Ssam/* Values used in DT_FEATURE .dynamic entry. */ 599164426Ssam#define DTF_1_PARINIT 0x00000001 600164426Ssam/* From 601164426Ssam 602164426Ssam http://docs.sun.com:80/ab2/coll.45.13/LLM/@Ab2PageView/21165?Ab2Lang=C&Ab2Enc=iso-8859-1 603164426Ssam 604164426Ssam DTF_1_CONFEXP is the same as DTF_1_PARINIT. It is a typo. The value 605164426Ssam defined here is the same as the one in <sys/link.h> on Solaris 8. */ 606164426Ssam#define DTF_1_CONFEXP 0x00000002 607164426Ssam 608164426Ssam/* Flag values used in the DT_POSFLAG_1 .dynamic entry. */ 609164426Ssam#define DF_P1_LAZYLOAD 0x00000001 610164426Ssam#define DF_P1_GROUPPERM 0x00000002 611164426Ssam 612164426Ssam/* Flag value in in the DT_FLAGS_1 .dynamic entry. */ 613164426Ssam#define DF_1_NOW 0x00000001 614164426Ssam#define DF_1_GLOBAL 0x00000002 615164426Ssam#define DF_1_GROUP 0x00000004 616236987Simp#define DF_1_NODELETE 0x00000008 617164426Ssam#define DF_1_LOADFLTR 0x00000010 618164426Ssam#define DF_1_INITFIRST 0x00000020 619164426Ssam#define DF_1_NOOPEN 0x00000040 620189463Ssam#define DF_1_ORIGIN 0x00000080 621164426Ssam#define DF_1_DIRECT 0x00000100 622164426Ssam#define DF_1_TRANS 0x00000200 623164426Ssam#define DF_1_INTERPOSE 0x00000400 624164426Ssam#define DF_1_NODEFLIB 0x00000800 625164426Ssam#define DF_1_NODUMP 0x00001000 626164426Ssam#define DF_1_CONLFAT 0x00002000 627164426Ssam 628164426Ssam/* Flag values for the DT_FLAGS entry. */ 629164426Ssam#define DF_ORIGIN (1 << 0) 630164426Ssam#define DF_SYMBOLIC (1 << 1) 631164426Ssam#define DF_TEXTREL (1 << 2) 632164426Ssam#define DF_BIND_NOW (1 << 3) 633164426Ssam#define DF_STATIC_TLS (1 << 4) 634164426Ssam 635164426Ssam/* These constants are used for the version number of a Elf32_Verdef 636164426Ssam structure. */ 637164426Ssam 638164426Ssam#define VER_DEF_NONE 0 639164426Ssam#define VER_DEF_CURRENT 1 640164426Ssam 641164426Ssam/* These constants appear in the vd_flags field of a Elf32_Verdef 642186352Ssam structure. */ 643186352Ssam 644186352Ssam#define VER_FLG_BASE 0x1 645186352Ssam#define VER_FLG_WEAK 0x2 646186352Ssam 647186352Ssam/* These special constants can be found in an Elf32_Versym field. */ 648186352Ssam 649186352Ssam#define VER_NDX_LOCAL 0 650164426Ssam#define VER_NDX_GLOBAL 1 651164426Ssam 652164426Ssam/* These constants are used for the version number of a Elf32_Verneed 653164426Ssam structure. */ 654164426Ssam 655164426Ssam#define VER_NEED_NONE 0 656164426Ssam#define VER_NEED_CURRENT 1 657164426Ssam 658189463Ssam/* This flag appears in a Versym structure. It means that the symbol 659167570Sjhay is hidden, and is only visible with an explicit version number. 660189463Ssam This is a GNU extension. */ 661167570Sjhay 662189463Ssam#define VERSYM_HIDDEN 0x8000 663188088Ssam 664188088Ssam/* This is the mask for the rest of the Versym information. */ 665189651Ssam 666188088Ssam#define VERSYM_VERSION 0x7fff 667189651Ssam 668189651Ssam/* This is a special token which appears as part of a symbol name. It 669189651Ssam indictes that the rest of the name is actually the name of a 670164426Ssam version node, and is not part of the actual name. This is a GNU 671167570Sjhay extension. For example, the symbol name `stat@ver2' is taken to 672189463Ssam mean the symbol `stat' in version `ver2'. */ 673167570Sjhay 674167570Sjhay#define ELF_VER_CHR '@' 675189463Ssam 676167570Sjhay/* Possible values for si_boundto. */ 677167570Sjhay 678189463Ssam#define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */ 679167570Sjhay#define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */ 680167570Sjhay#define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */ 681189463Ssam 682164426Ssam/* Possible bitmasks for si_flags. */ 683164426Ssam 684164426Ssam#define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */ 685164426Ssam#define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */ 686164426Ssam#define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */ 687164426Ssam#define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy loaded */ 688186352Ssam 689186352Ssam/* Syminfo version values. */ 690186352Ssam 691194654Ssam#define SYMINFO_NONE 0 692194654Ssam#define SYMINFO_CURRENT 1 693194654Ssam#define SYMINFO_NUM 2 694194654Ssam 695194654Ssam/* Section Group Flags. */ 696194654Ssam 697194654Ssam#define GRP_COMDAT 0x1 /* A COMDAT group */ 698194654Ssam 699186352Ssam/* Auxv a_type values. */ 700194654Ssam 701194654Ssam#define AT_NULL 0 /* End of vector */ 702186352Ssam#define AT_IGNORE 1 /* Entry should be ignored */ 703194654Ssam#define AT_EXECFD 2 /* File descriptor of program */ 704194654Ssam#define AT_PHDR 3 /* Program headers for program */ 705194654Ssam#define AT_PHENT 4 /* Size of program header entry */ 706194654Ssam#define AT_PHNUM 5 /* Number of program headers */ 707186352Ssam#define AT_PAGESZ 6 /* System page size */ 708186352Ssam#define AT_BASE 7 /* Base address of interpreter */ 709186352Ssam#define AT_FLAGS 8 /* Flags */ 710186352Ssam#define AT_ENTRY 9 /* Entry point of program */ 711186352Ssam#define AT_NOTELF 10 /* Program is not ELF */ 712186352Ssam#define AT_UID 11 /* Real uid */ 713186352Ssam#define AT_EUID 12 /* Effective uid */ 714164426Ssam#define AT_GID 13 /* Real gid */ 715#define AT_EGID 14 /* Effective gid */ 716#define AT_CLKTCK 17 /* Frequency of times() */ 717#define AT_PLATFORM 15 /* String identifying platform. */ 718#define AT_HWCAP 16 /* Machine dependent hints about 719 processor capabilities. */ 720#define AT_FPUCW 18 /* Used FPU control word. */ 721#define AT_DCACHEBSIZE 19 /* Data cache block size. */ 722#define AT_ICACHEBSIZE 20 /* Instruction cache block size. */ 723#define AT_UCACHEBSIZE 21 /* Unified cache block size. */ 724#define AT_IGNOREPPC 22 /* Entry should be ignored */ 725#define AT_SECURE 23 /* Boolean, was exec setuid-like? */ 726/* Pointer to the global system page used for system calls and other 727 nice things. */ 728#define AT_SYSINFO 32 729#define AT_SYSINFO_EHDR 33 /* Pointer to ELF header of system-supplied DSO. */ 730 731#define AT_SUN_UID 2000 /* Effective user ID. */ 732#define AT_SUN_RUID 2001 /* Real user ID. */ 733#define AT_SUN_GID 2002 /* Effective group ID. */ 734#define AT_SUN_RGID 2003 /* Real group ID. */ 735#define AT_SUN_LDELF 2004 /* Dynamic linker's ELF header. */ 736#define AT_SUN_LDSHDR 2005 /* Dynamic linker's section headers. */ 737#define AT_SUN_LDNAME 2006 /* String giving name of dynamic linker. */ 738#define AT_SUN_LPAGESZ 2007 /* Large pagesize. */ 739#define AT_SUN_PLATFORM 2008 /* Platform name string. */ 740#define AT_SUN_HWCAP 2009 /* Machine dependent hints about 741 processor capabilities. */ 742#define AT_SUN_IFLUSH 2010 /* Should flush icache? */ 743#define AT_SUN_CPU 2011 /* CPU name string. */ 744#define AT_SUN_EMUL_ENTRY 2012 /* COFF entry point address. */ 745#define AT_SUN_EMUL_EXECFD 2013 /* COFF executable file descriptor. */ 746#define AT_SUN_EXECNAME 2014 /* Canonicalized file name given to execve. */ 747#define AT_SUN_MMU 2015 /* String for name of MMU module. */ 748#define AT_SUN_LDDATA 2016 /* Dynamic linker's data segment address. */ 749 750 751#endif /* _ELF_COMMON_H */ 752