1/* $OpenBSD: exec_elf.h,v 1.41 2006/01/06 18:53:05 millert Exp $ */ 2/* 3 * Copyright (c) 1995, 1996 Erik Theisen. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28/* 29 * This is the ELF ABI header file 30 * formerly known as "elf_abi.h". 31 */ 32 33#ifndef _SYS_EXEC_ELF_H_ 34#define _SYS_EXEC_ELF_H_ 35 36#include <machine/_types.h> 37#include <machine/exec.h> 38#include <linux/elf.h> 39 40/* e_ident[] Operating System/ABI */ 41#define ELFOSABI_SYSV 0 /* UNIX System V ABI */ 42#define ELFOSABI_HPUX 1 /* HP-UX operating system */ 43#define ELFOSABI_NETBSD 2 /* NetBSD */ 44#define ELFOSABI_LINUX 3 /* GNU/Linux */ 45#define ELFOSABI_HURD 4 /* GNU/Hurd */ 46#define ELFOSABI_86OPEN 5 /* 86Open common IA32 ABI */ 47#define ELFOSABI_SOLARIS 6 /* Solaris */ 48#define ELFOSABI_MONTEREY 7 /* Monterey */ 49#define ELFOSABI_IRIX 8 /* IRIX */ 50#define ELFOSABI_FREEBSD 9 /* FreeBSD */ 51#define ELFOSABI_TRU64 10 /* TRU64 UNIX */ 52#define ELFOSABI_MODESTO 11 /* Novell Modesto */ 53#define ELFOSABI_OPENBSD 12 /* OpenBSD */ 54#define ELFOSABI_ARM 97 /* ARM */ 55#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ 56 57/* e_ident */ 58#define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \ 59 (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \ 60 (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \ 61 (ehdr).e_ident[EI_MAG3] == ELFMAG3) 62 63/* e_machine */ 64#define EM_NONE 0 /* No Machine */ 65#define EM_M32 1 /* AT&T WE 32100 */ 66#define EM_SPARC 2 /* SPARC */ 67#define EM_386 3 /* Intel 80386 */ 68#define EM_68K 4 /* Motorola 68000 */ 69#define EM_88K 5 /* Motorola 88000 */ 70#define EM_486 6 /* Intel 80486 - unused? */ 71#define EM_860 7 /* Intel 80860 */ 72#define EM_MIPS 8 /* MIPS R3000 Big-Endian only */ 73/* 74 * Don't know if EM_MIPS_RS4_BE, 75 * EM_SPARC64, EM_PARISC, 76 * or EM_PPC are ABI compliant 77 */ 78#define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */ 79#define EM_SPARC64 11 /* SPARC v9 64-bit unoffical */ 80#define EM_PARISC 15 /* HPPA */ 81#define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */ 82#define EM_PPC 20 /* PowerPC */ 83#define EM_ARM 40 /* Advanced RISC Machines ARM */ 84#define EM_ALPHA 41 /* DEC ALPHA */ 85#define EM_SPARCV9 43 /* SPARC version 9 */ 86#define EM_ALPHA_EXP 0x9026 /* DEC ALPHA */ 87#define EM_AMD64 62 /* AMD64 architecture */ 88#define EM_VAX 75 /* DEC VAX */ 89#define EM_NUM 15 /* number of machine types */ 90 91 92/* Section names */ 93#define ELF_BSS ".bss" /* uninitialized data */ 94#define ELF_DATA ".data" /* initialized data */ 95#define ELF_DEBUG ".debug" /* debug */ 96#define ELF_DYNAMIC ".dynamic" /* dynamic linking information */ 97#define ELF_DYNSTR ".dynstr" /* dynamic string table */ 98#define ELF_DYNSYM ".dynsym" /* dynamic symbol table */ 99#define ELF_FINI ".fini" /* termination code */ 100#define ELF_GOT ".got" /* global offset table */ 101#define ELF_HASH ".hash" /* symbol hash table */ 102#define ELF_INIT ".init" /* initialization code */ 103#define ELF_REL_DATA ".rel.data" /* relocation data */ 104#define ELF_REL_FINI ".rel.fini" /* relocation termination code */ 105#define ELF_REL_INIT ".rel.init" /* relocation initialization code */ 106#define ELF_REL_DYN ".rel.dyn" /* relocaltion dynamic link info */ 107#define ELF_REL_RODATA ".rel.rodata" /* relocation read-only data */ 108#define ELF_REL_TEXT ".rel.text" /* relocation code */ 109#define ELF_RODATA ".rodata" /* read-only data */ 110#define ELF_SHSTRTAB ".shstrtab" /* section header string table */ 111#define ELF_STRTAB ".strtab" /* string table */ 112#define ELF_SYMTAB ".symtab" /* symbol table */ 113#define ELF_TEXT ".text" /* code */ 114 115/* Symbol Binding - ELF32_ST_BIND - st_info */ 116#define STB_LOCAL 0 /* Local symbol */ 117#define STB_GLOBAL 1 /* Global symbol */ 118#define STB_WEAK 2 /* like global - lower precedence */ 119#define STB_NUM 3 /* number of symbol bindings */ 120#define STB_LOPROC 13 /* reserved range for processor */ 121#define STB_HIPROC 15 /* specific symbol bindings */ 122 123/* Symbol type - ELF32_ST_TYPE - st_info */ 124#define STT_NOTYPE 0 /* not specified */ 125#define STT_OBJECT 1 /* data object */ 126#define STT_FUNC 2 /* function */ 127#define STT_SECTION 3 /* section */ 128#define STT_FILE 4 /* file */ 129#define STT_NUM 5 /* number of symbol types */ 130#define STT_LOPROC 13 /* reserved range for processor */ 131#define STT_HIPROC 15 /* specific symbol types */ 132 133#define PT_GNU_RELRO 0x6474e552 /* Read-only post relocation */ 134 135#endif /* _SYS_EXEC_ELF_H_ */ 136