1951a39d68df598db08dfced8b4707755864a0492Ying Wang/* $OpenBSD: exec_elf.h,v 1.41 2006/01/06 18:53:05 millert Exp $ */ 2951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 3951a39d68df598db08dfced8b4707755864a0492Ying Wang * Copyright (c) 1995, 1996 Erik Theisen. All rights reserved. 4951a39d68df598db08dfced8b4707755864a0492Ying Wang * 5951a39d68df598db08dfced8b4707755864a0492Ying Wang * Redistribution and use in source and binary forms, with or without 6951a39d68df598db08dfced8b4707755864a0492Ying Wang * modification, are permitted provided that the following conditions 7951a39d68df598db08dfced8b4707755864a0492Ying Wang * are met: 8951a39d68df598db08dfced8b4707755864a0492Ying Wang * 1. Redistributions of source code must retain the above copyright 9951a39d68df598db08dfced8b4707755864a0492Ying Wang * notice, this list of conditions and the following disclaimer. 10951a39d68df598db08dfced8b4707755864a0492Ying Wang * 2. Redistributions in binary form must reproduce the above copyright 11951a39d68df598db08dfced8b4707755864a0492Ying Wang * notice, this list of conditions and the following disclaimer in the 12951a39d68df598db08dfced8b4707755864a0492Ying Wang * documentation and/or other materials provided with the distribution. 13951a39d68df598db08dfced8b4707755864a0492Ying Wang * 3. The name of the author may not be used to endorse or promote products 14951a39d68df598db08dfced8b4707755864a0492Ying Wang * derived from this software without specific prior written permission 15951a39d68df598db08dfced8b4707755864a0492Ying Wang * 16951a39d68df598db08dfced8b4707755864a0492Ying Wang * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17951a39d68df598db08dfced8b4707755864a0492Ying Wang * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18951a39d68df598db08dfced8b4707755864a0492Ying Wang * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19951a39d68df598db08dfced8b4707755864a0492Ying Wang * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20951a39d68df598db08dfced8b4707755864a0492Ying Wang * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21951a39d68df598db08dfced8b4707755864a0492Ying Wang * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22951a39d68df598db08dfced8b4707755864a0492Ying Wang * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23951a39d68df598db08dfced8b4707755864a0492Ying Wang * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24951a39d68df598db08dfced8b4707755864a0492Ying Wang * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25951a39d68df598db08dfced8b4707755864a0492Ying Wang * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 27951a39d68df598db08dfced8b4707755864a0492Ying Wang 28951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 29951a39d68df598db08dfced8b4707755864a0492Ying Wang * This is the ELF ABI header file 30951a39d68df598db08dfced8b4707755864a0492Ying Wang * formerly known as "elf_abi.h". 31951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 32951a39d68df598db08dfced8b4707755864a0492Ying Wang 33951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef _SYS_EXEC_ELF_H_ 34951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _SYS_EXEC_ELF_H_ 35951a39d68df598db08dfced8b4707755864a0492Ying Wang 36951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <machine/_types.h> 37951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <machine/exec.h> 38951a39d68df598db08dfced8b4707755864a0492Ying Wang 39951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef __uint8_t Elf_Byte; 40951a39d68df598db08dfced8b4707755864a0492Ying Wang 41951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef __uint32_t Elf32_Addr; /* Unsigned program address */ 42951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef __uint32_t Elf32_Off; /* Unsigned file offset */ 43951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef __int32_t Elf32_Sword; /* Signed large integer */ 44951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef __uint32_t Elf32_Word; /* Unsigned large integer */ 45951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef __uint16_t Elf32_Half; /* Unsigned medium integer */ 46951a39d68df598db08dfced8b4707755864a0492Ying Wang 47951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef __uint64_t Elf64_Addr; 48951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef __uint64_t Elf64_Off; 49951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef __int32_t Elf64_Shalf; 50951a39d68df598db08dfced8b4707755864a0492Ying Wang 51951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifdef __alpha__ 52951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef __int64_t Elf64_Sword; 53951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef __uint64_t Elf64_Word; 54951a39d68df598db08dfced8b4707755864a0492Ying Wang#else 55951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef __int32_t Elf64_Sword; 56951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef __uint32_t Elf64_Word; 57951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 58951a39d68df598db08dfced8b4707755864a0492Ying Wang 59951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef __int64_t Elf64_Sxword; 60951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef __uint64_t Elf64_Xword; 61951a39d68df598db08dfced8b4707755864a0492Ying Wang 62951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef __uint32_t Elf64_Half; 63951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef __uint16_t Elf64_Quarter; 64951a39d68df598db08dfced8b4707755864a0492Ying Wang 65951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 66951a39d68df598db08dfced8b4707755864a0492Ying Wang * e_ident[] identification indexes 67951a39d68df598db08dfced8b4707755864a0492Ying Wang * See http://www.caldera.com/developers/gabi/2000-07-17/ch4.eheader.html 68951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 69951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EI_MAG0 0 /* file ID */ 70951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EI_MAG1 1 /* file ID */ 71951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EI_MAG2 2 /* file ID */ 72951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EI_MAG3 3 /* file ID */ 73951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EI_CLASS 4 /* file class */ 74951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EI_DATA 5 /* data encoding */ 75951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EI_VERSION 6 /* ELF header version */ 76951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EI_OSABI 7 /* OS/ABI ID */ 77951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EI_ABIVERSION 8 /* ABI version */ 78951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EI_PAD 9 /* start of pad bytes */ 79951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EI_NIDENT 16 /* Size of e_ident[] */ 80951a39d68df598db08dfced8b4707755864a0492Ying Wang 81951a39d68df598db08dfced8b4707755864a0492Ying Wang/* e_ident[] magic number */ 82951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFMAG0 0x7f /* e_ident[EI_MAG0] */ 83951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFMAG1 'E' /* e_ident[EI_MAG1] */ 84951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFMAG2 'L' /* e_ident[EI_MAG2] */ 85951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFMAG3 'F' /* e_ident[EI_MAG3] */ 86951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFMAG "\177ELF" /* magic */ 87951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SELFMAG 4 /* size of magic */ 88951a39d68df598db08dfced8b4707755864a0492Ying Wang 89951a39d68df598db08dfced8b4707755864a0492Ying Wang/* e_ident[] file class */ 90951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFCLASSNONE 0 /* invalid */ 91951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFCLASS32 1 /* 32-bit objs */ 92951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFCLASS64 2 /* 64-bit objs */ 93951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFCLASSNUM 3 /* number of classes */ 94951a39d68df598db08dfced8b4707755864a0492Ying Wang 95951a39d68df598db08dfced8b4707755864a0492Ying Wang/* e_ident[] data encoding */ 96951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFDATANONE 0 /* invalid */ 97951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFDATA2LSB 1 /* Little-Endian */ 98951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFDATA2MSB 2 /* Big-Endian */ 99951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFDATANUM 3 /* number of data encode defines */ 100951a39d68df598db08dfced8b4707755864a0492Ying Wang 101951a39d68df598db08dfced8b4707755864a0492Ying Wang/* e_ident[] Operating System/ABI */ 102951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFOSABI_SYSV 0 /* UNIX System V ABI */ 103951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFOSABI_HPUX 1 /* HP-UX operating system */ 104951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFOSABI_NETBSD 2 /* NetBSD */ 105951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFOSABI_LINUX 3 /* GNU/Linux */ 106951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFOSABI_HURD 4 /* GNU/Hurd */ 107951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFOSABI_86OPEN 5 /* 86Open common IA32 ABI */ 108951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFOSABI_SOLARIS 6 /* Solaris */ 109951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFOSABI_MONTEREY 7 /* Monterey */ 110951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFOSABI_IRIX 8 /* IRIX */ 111951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFOSABI_FREEBSD 9 /* FreeBSD */ 112951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFOSABI_TRU64 10 /* TRU64 UNIX */ 113951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFOSABI_MODESTO 11 /* Novell Modesto */ 114951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFOSABI_OPENBSD 12 /* OpenBSD */ 115951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFOSABI_ARM 97 /* ARM */ 116951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ 117951a39d68df598db08dfced8b4707755864a0492Ying Wang 118951a39d68df598db08dfced8b4707755864a0492Ying Wang/* e_ident */ 119951a39d68df598db08dfced8b4707755864a0492Ying Wang#define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \ 120951a39d68df598db08dfced8b4707755864a0492Ying Wang (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \ 121951a39d68df598db08dfced8b4707755864a0492Ying Wang (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \ 122951a39d68df598db08dfced8b4707755864a0492Ying Wang (ehdr).e_ident[EI_MAG3] == ELFMAG3) 123951a39d68df598db08dfced8b4707755864a0492Ying Wang 124951a39d68df598db08dfced8b4707755864a0492Ying Wang/* ELF Header */ 125951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct elfhdr { 126951a39d68df598db08dfced8b4707755864a0492Ying Wang unsigned char e_ident[EI_NIDENT]; /* ELF Identification */ 127951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Half e_type; /* object file type */ 128951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Half e_machine; /* machine */ 129951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word e_version; /* object file version */ 130951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Addr e_entry; /* virtual entry point */ 131951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Off e_phoff; /* program header table offset */ 132951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Off e_shoff; /* section header table offset */ 133951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word e_flags; /* processor-specific flags */ 134951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Half e_ehsize; /* ELF header size */ 135951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Half e_phentsize; /* program header entry size */ 136951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Half e_phnum; /* number of program header entries */ 137951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Half e_shentsize; /* section header entry size */ 138951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Half e_shnum; /* number of section header entries */ 139951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Half e_shstrndx; /* section header table's "section 140951a39d68df598db08dfced8b4707755864a0492Ying Wang header string table" entry offset */ 141951a39d68df598db08dfced8b4707755864a0492Ying Wang} Elf32_Ehdr; 142951a39d68df598db08dfced8b4707755864a0492Ying Wang 143951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct { 144951a39d68df598db08dfced8b4707755864a0492Ying Wang unsigned char e_ident[EI_NIDENT]; /* Id bytes */ 145951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Quarter e_type; /* file type */ 146951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Quarter e_machine; /* machine type */ 147951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Half e_version; /* version number */ 148951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Addr e_entry; /* entry point */ 149951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Off e_phoff; /* Program hdr offset */ 150951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Off e_shoff; /* Section hdr offset */ 151951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Half e_flags; /* Processor flags */ 152951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Quarter e_ehsize; /* sizeof ehdr */ 153951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Quarter e_phentsize; /* Program header entry size */ 154951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Quarter e_phnum; /* Number of program headers */ 155951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Quarter e_shentsize; /* Section header entry size */ 156951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Quarter e_shnum; /* Number of section headers */ 157951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Quarter e_shstrndx; /* String table index */ 158951a39d68df598db08dfced8b4707755864a0492Ying Wang} Elf64_Ehdr; 159951a39d68df598db08dfced8b4707755864a0492Ying Wang 160951a39d68df598db08dfced8b4707755864a0492Ying Wang/* e_type */ 161951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ET_NONE 0 /* No file type */ 162951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ET_REL 1 /* relocatable file */ 163951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ET_EXEC 2 /* executable file */ 164951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ET_DYN 3 /* shared object file */ 165951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ET_CORE 4 /* core file */ 166951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ET_NUM 5 /* number of types */ 167951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ET_LOPROC 0xff00 /* reserved range for processor */ 168951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ET_HIPROC 0xffff /* specific e_type */ 169951a39d68df598db08dfced8b4707755864a0492Ying Wang 170951a39d68df598db08dfced8b4707755864a0492Ying Wang/* e_machine */ 171951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_NONE 0 /* No Machine */ 172951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_M32 1 /* AT&T WE 32100 */ 173951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_SPARC 2 /* SPARC */ 174951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_386 3 /* Intel 80386 */ 175951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_68K 4 /* Motorola 68000 */ 176951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_88K 5 /* Motorola 88000 */ 177951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_486 6 /* Intel 80486 - unused? */ 178951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_860 7 /* Intel 80860 */ 179951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_MIPS 8 /* MIPS R3000 Big-Endian only */ 180951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 181951a39d68df598db08dfced8b4707755864a0492Ying Wang * Don't know if EM_MIPS_RS4_BE, 182951a39d68df598db08dfced8b4707755864a0492Ying Wang * EM_SPARC64, EM_PARISC, 183951a39d68df598db08dfced8b4707755864a0492Ying Wang * or EM_PPC are ABI compliant 184951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 185951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */ 186951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_SPARC64 11 /* SPARC v9 64-bit unoffical */ 187951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_PARISC 15 /* HPPA */ 188951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */ 189951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_PPC 20 /* PowerPC */ 190951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_ARM 40 /* Advanced RISC Machines ARM */ 191951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_ALPHA 41 /* DEC ALPHA */ 192951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_SPARCV9 43 /* SPARC version 9 */ 193951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_ALPHA_EXP 0x9026 /* DEC ALPHA */ 194951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_AMD64 62 /* AMD64 architecture */ 195951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_VAX 75 /* DEC VAX */ 196951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EM_NUM 15 /* number of machine types */ 197951a39d68df598db08dfced8b4707755864a0492Ying Wang 198951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Version */ 199951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EV_NONE 0 /* Invalid */ 200951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EV_CURRENT 1 /* Current */ 201951a39d68df598db08dfced8b4707755864a0492Ying Wang#define EV_NUM 2 /* number of versions */ 202951a39d68df598db08dfced8b4707755864a0492Ying Wang 203951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Section Header */ 204951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct { 205951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word sh_name; /* name - index into section header 206951a39d68df598db08dfced8b4707755864a0492Ying Wang string table section */ 207951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word sh_type; /* type */ 208951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word sh_flags; /* flags */ 209951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Addr sh_addr; /* address */ 210951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Off sh_offset; /* file offset */ 211951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word sh_size; /* section size */ 212951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word sh_link; /* section header table index link */ 213951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word sh_info; /* extra information */ 214951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word sh_addralign; /* address alignment */ 215951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word sh_entsize; /* section entry size */ 216951a39d68df598db08dfced8b4707755864a0492Ying Wang} Elf32_Shdr; 217951a39d68df598db08dfced8b4707755864a0492Ying Wang 218951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct { 219951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Half sh_name; /* section name */ 220951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Half sh_type; /* section type */ 221951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Xword sh_flags; /* section flags */ 222951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Addr sh_addr; /* virtual address */ 223951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Off sh_offset; /* file offset */ 224951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Xword sh_size; /* section size */ 225951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Half sh_link; /* link to another */ 226951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Half sh_info; /* misc info */ 227951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Xword sh_addralign; /* memory alignment */ 228951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Xword sh_entsize; /* table entry size */ 229951a39d68df598db08dfced8b4707755864a0492Ying Wang} Elf64_Shdr; 230951a39d68df598db08dfced8b4707755864a0492Ying Wang 231951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Special Section Indexes */ 232951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHN_UNDEF 0 /* undefined */ 233951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHN_LORESERVE 0xff00 /* lower bounds of reserved indexes */ 234951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHN_LOPROC 0xff00 /* reserved range for processor */ 235951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHN_HIPROC 0xff1f /* specific section indexes */ 236951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHN_ABS 0xfff1 /* absolute value */ 237951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHN_COMMON 0xfff2 /* common symbol */ 238951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHN_HIRESERVE 0xffff /* upper bounds of reserved indexes */ 239951a39d68df598db08dfced8b4707755864a0492Ying Wang 240951a39d68df598db08dfced8b4707755864a0492Ying Wang/* sh_type */ 241951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHT_NULL 0 /* inactive */ 242951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHT_PROGBITS 1 /* program defined information */ 243951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHT_SYMTAB 2 /* symbol table section */ 244951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHT_STRTAB 3 /* string table section */ 245951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHT_RELA 4 /* relocation section with addends*/ 246951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHT_HASH 5 /* symbol hash table section */ 247951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHT_DYNAMIC 6 /* dynamic section */ 248951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHT_NOTE 7 /* note section */ 249951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHT_NOBITS 8 /* no space section */ 250951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHT_REL 9 /* relation section without addends */ 251951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHT_SHLIB 10 /* reserved - purpose unknown */ 252951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHT_DYNSYM 11 /* dynamic symbol table section */ 253951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHT_NUM 12 /* number of section types */ 254951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHT_LOPROC 0x70000000 /* reserved range for processor */ 255951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHT_HIPROC 0x7fffffff /* specific section header types */ 256951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHT_LOUSER 0x80000000 /* reserved range for application */ 257951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHT_HIUSER 0xffffffff /* specific indexes */ 258951a39d68df598db08dfced8b4707755864a0492Ying Wang 259951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Section names */ 260951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_BSS ".bss" /* uninitialized data */ 261951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_DATA ".data" /* initialized data */ 262951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_DEBUG ".debug" /* debug */ 263951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_DYNAMIC ".dynamic" /* dynamic linking information */ 264951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_DYNSTR ".dynstr" /* dynamic string table */ 265951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_DYNSYM ".dynsym" /* dynamic symbol table */ 266951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_FINI ".fini" /* termination code */ 267951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_GOT ".got" /* global offset table */ 268951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_HASH ".hash" /* symbol hash table */ 269951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_INIT ".init" /* initialization code */ 270951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_REL_DATA ".rel.data" /* relocation data */ 271951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_REL_FINI ".rel.fini" /* relocation termination code */ 272951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_REL_INIT ".rel.init" /* relocation initialization code */ 273951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_REL_DYN ".rel.dyn" /* relocaltion dynamic link info */ 274951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_REL_RODATA ".rel.rodata" /* relocation read-only data */ 275951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_REL_TEXT ".rel.text" /* relocation code */ 276951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_RODATA ".rodata" /* read-only data */ 277951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_SHSTRTAB ".shstrtab" /* section header string table */ 278951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_STRTAB ".strtab" /* string table */ 279951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_SYMTAB ".symtab" /* symbol table */ 280951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_TEXT ".text" /* code */ 281951a39d68df598db08dfced8b4707755864a0492Ying Wang 282951a39d68df598db08dfced8b4707755864a0492Ying Wang 283951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Section Attribute Flags - sh_flags */ 284951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHF_WRITE 0x1 /* Writable */ 285951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHF_ALLOC 0x2 /* occupies memory */ 286951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHF_EXECINSTR 0x4 /* executable */ 287951a39d68df598db08dfced8b4707755864a0492Ying Wang#define SHF_MASKPROC 0xf0000000 /* reserved bits for processor */ 288951a39d68df598db08dfced8b4707755864a0492Ying Wang /* specific section attributes */ 289951a39d68df598db08dfced8b4707755864a0492Ying Wang 290951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Symbol Table Entry */ 291951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct elf32_sym { 292951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word st_name; /* name - index into string table */ 293951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Addr st_value; /* symbol value */ 294951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word st_size; /* symbol size */ 295951a39d68df598db08dfced8b4707755864a0492Ying Wang unsigned char st_info; /* type and binding */ 296951a39d68df598db08dfced8b4707755864a0492Ying Wang unsigned char st_other; /* 0 - no defined meaning */ 297951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Half st_shndx; /* section header index */ 298951a39d68df598db08dfced8b4707755864a0492Ying Wang} Elf32_Sym; 299951a39d68df598db08dfced8b4707755864a0492Ying Wang 300951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct { 301951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Half st_name; /* Symbol name index in str table */ 302951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf_Byte st_info; /* type / binding attrs */ 303951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf_Byte st_other; /* unused */ 304951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Quarter st_shndx; /* section index of symbol */ 305951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Xword st_value; /* value of symbol */ 306951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Xword st_size; /* size of symbol */ 307951a39d68df598db08dfced8b4707755864a0492Ying Wang} Elf64_Sym; 308951a39d68df598db08dfced8b4707755864a0492Ying Wang 309951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Symbol table index */ 310951a39d68df598db08dfced8b4707755864a0492Ying Wang#define STN_UNDEF 0 /* undefined */ 311951a39d68df598db08dfced8b4707755864a0492Ying Wang 312951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Extract symbol info - st_info */ 313951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF32_ST_BIND(x) ((x) >> 4) 314951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF32_ST_TYPE(x) (((unsigned int) x) & 0xf) 315951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF32_ST_INFO(b,t) (((b) << 4) + ((t) & 0xf)) 316951a39d68df598db08dfced8b4707755864a0492Ying Wang 317951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF64_ST_BIND(x) ((x) >> 4) 318951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF64_ST_TYPE(x) (((unsigned int) x) & 0xf) 319951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF64_ST_INFO(b,t) (((b) << 4) + ((t) & 0xf)) 320951a39d68df598db08dfced8b4707755864a0492Ying Wang 321951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Symbol Binding - ELF32_ST_BIND - st_info */ 322951a39d68df598db08dfced8b4707755864a0492Ying Wang#define STB_LOCAL 0 /* Local symbol */ 323951a39d68df598db08dfced8b4707755864a0492Ying Wang#define STB_GLOBAL 1 /* Global symbol */ 324951a39d68df598db08dfced8b4707755864a0492Ying Wang#define STB_WEAK 2 /* like global - lower precedence */ 325951a39d68df598db08dfced8b4707755864a0492Ying Wang#define STB_NUM 3 /* number of symbol bindings */ 326951a39d68df598db08dfced8b4707755864a0492Ying Wang#define STB_LOPROC 13 /* reserved range for processor */ 327951a39d68df598db08dfced8b4707755864a0492Ying Wang#define STB_HIPROC 15 /* specific symbol bindings */ 328951a39d68df598db08dfced8b4707755864a0492Ying Wang 329951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Symbol type - ELF32_ST_TYPE - st_info */ 330951a39d68df598db08dfced8b4707755864a0492Ying Wang#define STT_NOTYPE 0 /* not specified */ 331951a39d68df598db08dfced8b4707755864a0492Ying Wang#define STT_OBJECT 1 /* data object */ 332951a39d68df598db08dfced8b4707755864a0492Ying Wang#define STT_FUNC 2 /* function */ 333951a39d68df598db08dfced8b4707755864a0492Ying Wang#define STT_SECTION 3 /* section */ 334951a39d68df598db08dfced8b4707755864a0492Ying Wang#define STT_FILE 4 /* file */ 335951a39d68df598db08dfced8b4707755864a0492Ying Wang#define STT_NUM 5 /* number of symbol types */ 336951a39d68df598db08dfced8b4707755864a0492Ying Wang#define STT_LOPROC 13 /* reserved range for processor */ 337951a39d68df598db08dfced8b4707755864a0492Ying Wang#define STT_HIPROC 15 /* specific symbol types */ 338951a39d68df598db08dfced8b4707755864a0492Ying Wang 339951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Relocation entry with implicit addend */ 340951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct { 341951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Addr r_offset; /* offset of relocation */ 342951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word r_info; /* symbol table index and type */ 343951a39d68df598db08dfced8b4707755864a0492Ying Wang} Elf32_Rel; 344951a39d68df598db08dfced8b4707755864a0492Ying Wang 345951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Relocation entry with explicit addend */ 346951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct { 347951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Addr r_offset; /* offset of relocation */ 348951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word r_info; /* symbol table index and type */ 349951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Sword r_addend; 350951a39d68df598db08dfced8b4707755864a0492Ying Wang} Elf32_Rela; 351951a39d68df598db08dfced8b4707755864a0492Ying Wang 352951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Extract relocation info - r_info */ 353951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF32_R_SYM(i) ((i) >> 8) 354951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF32_R_TYPE(i) ((unsigned char) (i)) 355951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF32_R_INFO(s,t) (((s) << 8) + (unsigned char)(t)) 356951a39d68df598db08dfced8b4707755864a0492Ying Wang 357951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct { 358951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Xword r_offset; /* where to do it */ 359951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Xword r_info; /* index & type of relocation */ 360951a39d68df598db08dfced8b4707755864a0492Ying Wang} Elf64_Rel; 361951a39d68df598db08dfced8b4707755864a0492Ying Wang 362951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct { 363951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Xword r_offset; /* where to do it */ 364951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Xword r_info; /* index & type of relocation */ 365951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Sxword r_addend; /* adjustment value */ 366951a39d68df598db08dfced8b4707755864a0492Ying Wang} Elf64_Rela; 367951a39d68df598db08dfced8b4707755864a0492Ying Wang 368951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF64_R_SYM(info) ((info) >> 32) 369951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF64_R_TYPE(info) ((info) & 0xFFFFFFFF) 370951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF64_R_INFO(s,t) (((s) << 32) + (__uint32_t)(t)) 371951a39d68df598db08dfced8b4707755864a0492Ying Wang 372951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Program Header */ 373951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct { 374951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word p_type; /* segment type */ 375951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Off p_offset; /* segment offset */ 376951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Addr p_vaddr; /* virtual address of segment */ 377951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Addr p_paddr; /* physical address - ignored? */ 378951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word p_filesz; /* number of bytes in file for seg. */ 379951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word p_memsz; /* number of bytes in mem. for seg. */ 380951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word p_flags; /* flags */ 381951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word p_align; /* memory alignment */ 382951a39d68df598db08dfced8b4707755864a0492Ying Wang} Elf32_Phdr; 383951a39d68df598db08dfced8b4707755864a0492Ying Wang 384951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct { 385951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Half p_type; /* entry type */ 386951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Half p_flags; /* flags */ 387951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Off p_offset; /* offset */ 388951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Addr p_vaddr; /* virtual address */ 389951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Addr p_paddr; /* physical address */ 390951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Xword p_filesz; /* file size */ 391951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Xword p_memsz; /* memory size */ 392951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Xword p_align; /* memory & file alignment */ 393951a39d68df598db08dfced8b4707755864a0492Ying Wang} Elf64_Phdr; 394951a39d68df598db08dfced8b4707755864a0492Ying Wang 395951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Segment types - p_type */ 396951a39d68df598db08dfced8b4707755864a0492Ying Wang#define PT_NULL 0 /* unused */ 397951a39d68df598db08dfced8b4707755864a0492Ying Wang#define PT_LOAD 1 /* loadable segment */ 398951a39d68df598db08dfced8b4707755864a0492Ying Wang#define PT_DYNAMIC 2 /* dynamic linking section */ 399951a39d68df598db08dfced8b4707755864a0492Ying Wang#define PT_INTERP 3 /* the RTLD */ 400951a39d68df598db08dfced8b4707755864a0492Ying Wang#define PT_NOTE 4 /* auxiliary information */ 401951a39d68df598db08dfced8b4707755864a0492Ying Wang#define PT_SHLIB 5 /* reserved - purpose undefined */ 402951a39d68df598db08dfced8b4707755864a0492Ying Wang#define PT_PHDR 6 /* program header */ 403951a39d68df598db08dfced8b4707755864a0492Ying Wang#define PT_NUM 7 /* Number of segment types */ 404951a39d68df598db08dfced8b4707755864a0492Ying Wang#define PT_LOOS 0x60000000 /* reserved range for OS */ 405951a39d68df598db08dfced8b4707755864a0492Ying Wang#define PT_HIOS 0x6fffffff /* specific segment types */ 406951a39d68df598db08dfced8b4707755864a0492Ying Wang#define PT_LOPROC 0x70000000 /* reserved range for processor */ 407951a39d68df598db08dfced8b4707755864a0492Ying Wang#define PT_HIPROC 0x7fffffff /* specific segment types */ 408951a39d68df598db08dfced8b4707755864a0492Ying Wang 409951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Segment flags - p_flags */ 410951a39d68df598db08dfced8b4707755864a0492Ying Wang#define PF_X 0x1 /* Executable */ 411951a39d68df598db08dfced8b4707755864a0492Ying Wang#define PF_W 0x2 /* Writable */ 412951a39d68df598db08dfced8b4707755864a0492Ying Wang#define PF_R 0x4 /* Readable */ 413951a39d68df598db08dfced8b4707755864a0492Ying Wang#define PF_MASKPROC 0xf0000000 /* reserved bits for processor */ 414951a39d68df598db08dfced8b4707755864a0492Ying Wang /* specific segment flags */ 415951a39d68df598db08dfced8b4707755864a0492Ying Wang 416951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Dynamic structure */ 417951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct { 418951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Sword d_tag; /* controls meaning of d_val */ 419951a39d68df598db08dfced8b4707755864a0492Ying Wang union { 420951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word d_val; /* Multiple meanings - see d_tag */ 421951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Addr d_ptr; /* program virtual address */ 422951a39d68df598db08dfced8b4707755864a0492Ying Wang } d_un; 423951a39d68df598db08dfced8b4707755864a0492Ying Wang} Elf32_Dyn; 424951a39d68df598db08dfced8b4707755864a0492Ying Wang 425951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct { 426951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Xword d_tag; /* controls meaning of d_val */ 427951a39d68df598db08dfced8b4707755864a0492Ying Wang union { 428951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Addr d_ptr; 429951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Xword d_val; 430951a39d68df598db08dfced8b4707755864a0492Ying Wang } d_un; 431951a39d68df598db08dfced8b4707755864a0492Ying Wang} Elf64_Dyn; 432951a39d68df598db08dfced8b4707755864a0492Ying Wang 433951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Dynamic Array Tags - d_tag */ 434951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_NULL 0 /* marks end of _DYNAMIC array */ 435951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_NEEDED 1 /* string table offset of needed lib */ 436951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_PLTRELSZ 2 /* size of relocation entries in PLT */ 437951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_PLTGOT 3 /* address PLT/GOT */ 438951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_HASH 4 /* address of symbol hash table */ 439951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_STRTAB 5 /* address of string table */ 440951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_SYMTAB 6 /* address of symbol table */ 441951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_RELA 7 /* address of relocation table */ 442951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_RELASZ 8 /* size of relocation table */ 443951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_RELAENT 9 /* size of relocation entry */ 444951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_STRSZ 10 /* size of string table */ 445951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_SYMENT 11 /* size of symbol table entry */ 446951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_INIT 12 /* address of initialization func. */ 447951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_FINI 13 /* address of termination function */ 448951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_SONAME 14 /* string table offset of shared obj */ 449951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_RPATH 15 /* string table offset of library 450951a39d68df598db08dfced8b4707755864a0492Ying Wang search path */ 451951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_SYMBOLIC 16 /* start sym search in shared obj. */ 452951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_REL 17 /* address of rel. tbl. w addends */ 453951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_RELSZ 18 /* size of DT_REL relocation table */ 454951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_RELENT 19 /* size of DT_REL relocation entry */ 455951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_PLTREL 20 /* PLT referenced relocation entry */ 456951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_DEBUG 21 /* bugger */ 457951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_TEXTREL 22 /* Allow rel. mod. to unwritable seg */ 458951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_JMPREL 23 /* add. of PLT's relocation entries */ 459951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_BIND_NOW 24 /* Bind now regardless of env setting */ 460951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_NUM 25 /* Number used. */ 461951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_LOPROC 0x70000000 /* reserved range for processor */ 462951a39d68df598db08dfced8b4707755864a0492Ying Wang#define DT_HIPROC 0x7fffffff /* specific dynamic array tags */ 463951a39d68df598db08dfced8b4707755864a0492Ying Wang 464951a39d68df598db08dfced8b4707755864a0492Ying Wang/* Standard ELF hashing function */ 465951a39d68df598db08dfced8b4707755864a0492Ying Wangunsigned int elf_hash(const unsigned char *name); 466951a39d68df598db08dfced8b4707755864a0492Ying Wang 467951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 468951a39d68df598db08dfced8b4707755864a0492Ying Wang * Note Definitions 469951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 470951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct { 471951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word namesz; 472951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word descsz; 473951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word type; 474951a39d68df598db08dfced8b4707755864a0492Ying Wang} Elf32_Note; 475951a39d68df598db08dfced8b4707755864a0492Ying Wang 476951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct { 477951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Half namesz; 478951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Half descsz; 479951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Half type; 480951a39d68df598db08dfced8b4707755864a0492Ying Wang} Elf64_Note; 481951a39d68df598db08dfced8b4707755864a0492Ying Wang 482951a39d68df598db08dfced8b4707755864a0492Ying Wang/* 483951a39d68df598db08dfced8b4707755864a0492Ying Wang * XXX - these _KERNEL items aren't part of the ABI! 484951a39d68df598db08dfced8b4707755864a0492Ying Wang */ 485951a39d68df598db08dfced8b4707755864a0492Ying Wang#if defined(_KERNEL) || defined(_DYN_LOADER) 486951a39d68df598db08dfced8b4707755864a0492Ying Wang 487951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF32_NO_ADDR ((u_long) ~0) /* Indicates addr. not yet filled in */ 488951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_AUX_ENTRIES 8 /* Size of aux array passed to loader */ 489951a39d68df598db08dfced8b4707755864a0492Ying Wang 490951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct { 491951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Sword au_id; /* 32-bit id */ 492951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf32_Word au_v; /* 32-bit value */ 493951a39d68df598db08dfced8b4707755864a0492Ying Wang} Aux32Info; 494951a39d68df598db08dfced8b4707755864a0492Ying Wang 495951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF64_NO_ADDR ((__uint64_t) ~0)/* Indicates addr. not yet filled in */ 496951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF64_AUX_ENTRIES 8 /* Size of aux array passed to loader */ 497951a39d68df598db08dfced8b4707755864a0492Ying Wang 498951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef struct { 499951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Shalf au_id; /* 32-bit id */ 500951a39d68df598db08dfced8b4707755864a0492Ying Wang Elf64_Xword au_v; /* 64-bit id */ 501951a39d68df598db08dfced8b4707755864a0492Ying Wang} Aux64Info; 502951a39d68df598db08dfced8b4707755864a0492Ying Wang 503951a39d68df598db08dfced8b4707755864a0492Ying Wangenum AuxID { 504951a39d68df598db08dfced8b4707755864a0492Ying Wang AUX_null = 0, 505951a39d68df598db08dfced8b4707755864a0492Ying Wang AUX_ignore = 1, 506951a39d68df598db08dfced8b4707755864a0492Ying Wang AUX_execfd = 2, 507951a39d68df598db08dfced8b4707755864a0492Ying Wang AUX_phdr = 3, /* &phdr[0] */ 508951a39d68df598db08dfced8b4707755864a0492Ying Wang AUX_phent = 4, /* sizeof(phdr[0]) */ 509951a39d68df598db08dfced8b4707755864a0492Ying Wang AUX_phnum = 5, /* # phdr entries */ 510951a39d68df598db08dfced8b4707755864a0492Ying Wang AUX_pagesz = 6, /* PAGESIZE */ 511951a39d68df598db08dfced8b4707755864a0492Ying Wang AUX_base = 7, /* ld.so base addr */ 512951a39d68df598db08dfced8b4707755864a0492Ying Wang AUX_flags = 8, /* processor flags */ 513951a39d68df598db08dfced8b4707755864a0492Ying Wang AUX_entry = 9, /* a.out entry */ 514951a39d68df598db08dfced8b4707755864a0492Ying Wang AUX_sun_uid = 2000, /* euid */ 515951a39d68df598db08dfced8b4707755864a0492Ying Wang AUX_sun_ruid = 2001, /* ruid */ 516951a39d68df598db08dfced8b4707755864a0492Ying Wang AUX_sun_gid = 2002, /* egid */ 517951a39d68df598db08dfced8b4707755864a0492Ying Wang AUX_sun_rgid = 2003 /* rgid */ 518951a39d68df598db08dfced8b4707755864a0492Ying Wang}; 519951a39d68df598db08dfced8b4707755864a0492Ying Wang 520951a39d68df598db08dfced8b4707755864a0492Ying Wangstruct elf_args { 521951a39d68df598db08dfced8b4707755864a0492Ying Wang u_long arg_entry; /* program entry point */ 522951a39d68df598db08dfced8b4707755864a0492Ying Wang u_long arg_interp; /* Interpreter load address */ 523951a39d68df598db08dfced8b4707755864a0492Ying Wang u_long arg_phaddr; /* program header address */ 524951a39d68df598db08dfced8b4707755864a0492Ying Wang u_long arg_phentsize; /* Size of program header */ 525951a39d68df598db08dfced8b4707755864a0492Ying Wang u_long arg_phnum; /* Number of program headers */ 526951a39d68df598db08dfced8b4707755864a0492Ying Wang u_long arg_os; /* OS tag */ 527951a39d68df598db08dfced8b4707755864a0492Ying Wang}; 528951a39d68df598db08dfced8b4707755864a0492Ying Wang 529951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 530951a39d68df598db08dfced8b4707755864a0492Ying Wang 531951a39d68df598db08dfced8b4707755864a0492Ying Wang#if !defined(ELFSIZE) && defined(ARCH_ELFSIZE) 532951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFSIZE ARCH_ELFSIZE 533951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 534951a39d68df598db08dfced8b4707755864a0492Ying Wang 535951a39d68df598db08dfced8b4707755864a0492Ying Wang#if defined(ELFSIZE) 536951a39d68df598db08dfced8b4707755864a0492Ying Wang#define CONCAT(x,y) __CONCAT(x,y) 537951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFNAME(x) CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x))) 538951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFNAME2(x,y) CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y)))) 539951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFNAMEEND(x) CONCAT(x,CONCAT(_elf,ELFSIZE)) 540951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFDEFNNAME(x) CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x))) 541951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 542951a39d68df598db08dfced8b4707755864a0492Ying Wang 543951a39d68df598db08dfced8b4707755864a0492Ying Wang#if defined(ELFSIZE) && (ELFSIZE == 32) 544951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Ehdr Elf32_Ehdr 545951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Phdr Elf32_Phdr 546951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Shdr Elf32_Shdr 547951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Sym Elf32_Sym 548951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Rel Elf32_Rel 549951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_RelA Elf32_Rela 550951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Dyn Elf32_Dyn 551951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Half Elf32_Half 552951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Word Elf32_Word 553951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Sword Elf32_Sword 554951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Addr Elf32_Addr 555951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Off Elf32_Off 556951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Nhdr Elf32_Nhdr 557951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Note Elf32_Note 558951a39d68df598db08dfced8b4707755864a0492Ying Wang 559951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_R_SYM ELF32_R_SYM 560951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_R_TYPE ELF32_R_TYPE 561951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_R_INFO ELF32_R_INFO 562951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFCLASS ELFCLASS32 563951a39d68df598db08dfced8b4707755864a0492Ying Wang 564951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_ST_BIND ELF32_ST_BIND 565951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_ST_TYPE ELF32_ST_TYPE 566951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_ST_INFO ELF32_ST_INFO 567951a39d68df598db08dfced8b4707755864a0492Ying Wang 568951a39d68df598db08dfced8b4707755864a0492Ying Wang#define AuxInfo Aux32Info 569951a39d68df598db08dfced8b4707755864a0492Ying Wang#elif defined(ELFSIZE) && (ELFSIZE == 64) 570951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Ehdr Elf64_Ehdr 571951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Phdr Elf64_Phdr 572951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Shdr Elf64_Shdr 573951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Sym Elf64_Sym 574951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Rel Elf64_Rel 575951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_RelA Elf64_Rela 576951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Dyn Elf64_Dyn 577951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Half Elf64_Half 578951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Word Elf64_Word 579951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Sword Elf64_Sword 580951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Addr Elf64_Addr 581951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Off Elf64_Off 582951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Nhdr Elf64_Nhdr 583951a39d68df598db08dfced8b4707755864a0492Ying Wang#define Elf_Note Elf64_Note 584951a39d68df598db08dfced8b4707755864a0492Ying Wang 585951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_R_SYM ELF64_R_SYM 586951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_R_TYPE ELF64_R_TYPE 587951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_R_INFO ELF64_R_INFO 588951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELFCLASS ELFCLASS64 589951a39d68df598db08dfced8b4707755864a0492Ying Wang 590951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_ST_BIND ELF64_ST_BIND 591951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_ST_TYPE ELF64_ST_TYPE 592951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_ST_INFO ELF64_ST_INFO 593951a39d68df598db08dfced8b4707755864a0492Ying Wang 594951a39d68df598db08dfced8b4707755864a0492Ying Wang#define AuxInfo Aux64Info 595951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 596951a39d68df598db08dfced8b4707755864a0492Ying Wang 597951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef _KERNEL 598951a39d68df598db08dfced8b4707755864a0492Ying Wangextern Elf_Dyn _DYNAMIC[]; 599951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 600951a39d68df598db08dfced8b4707755864a0492Ying Wang 601951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifdef _KERNEL 602951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifdef _KERN_DO_ELF64 603951a39d68df598db08dfced8b4707755864a0492Ying Wangint exec_elf64_makecmds(struct proc *, struct exec_package *); 604951a39d68df598db08dfced8b4707755864a0492Ying Wangvoid *elf64_copyargs(struct exec_package *, struct ps_strings *, 605951a39d68df598db08dfced8b4707755864a0492Ying Wang void *, void *); 606951a39d68df598db08dfced8b4707755864a0492Ying Wangint exec_elf64_fixup(struct proc *, struct exec_package *); 607951a39d68df598db08dfced8b4707755864a0492Ying Wangchar *elf64_check_brand(Elf64_Ehdr *); 608951a39d68df598db08dfced8b4707755864a0492Ying Wangint elf64_os_pt_note(struct proc *, struct exec_package *, Elf64_Ehdr *, 609951a39d68df598db08dfced8b4707755864a0492Ying Wang char *, size_t, size_t); 610951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 611951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifdef _KERN_DO_ELF 612951a39d68df598db08dfced8b4707755864a0492Ying Wangint exec_elf32_makecmds(struct proc *, struct exec_package *); 613951a39d68df598db08dfced8b4707755864a0492Ying Wangvoid *elf32_copyargs(struct exec_package *, struct ps_strings *, 614951a39d68df598db08dfced8b4707755864a0492Ying Wang void *, void *); 615951a39d68df598db08dfced8b4707755864a0492Ying Wangint exec_elf32_fixup(struct proc *, struct exec_package *); 616951a39d68df598db08dfced8b4707755864a0492Ying Wangchar *elf32_check_brand(Elf32_Ehdr *); 617951a39d68df598db08dfced8b4707755864a0492Ying Wangint elf32_os_pt_note(struct proc *, struct exec_package *, Elf32_Ehdr *, 618951a39d68df598db08dfced8b4707755864a0492Ying Wang char *, size_t, size_t); 619951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 620951a39d68df598db08dfced8b4707755864a0492Ying Wang 621951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif /* _KERNEL */ 622951a39d68df598db08dfced8b4707755864a0492Ying Wang 623951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ELF_TARG_VER 1 /* The ver for which this code is intended */ 624951a39d68df598db08dfced8b4707755864a0492Ying Wang 625951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif /* _SYS_EXEC_ELF_H_ */ 626