elf.h revision 163016
1/*- 2 * Copyright (c) 1996-1997 John D. Polstra. 3 * 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 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/sys/ia64/include/elf.h 163016 2006-10-04 21:37:10Z jb $ 27 */ 28 29#ifndef _MACHINE_ELF_H_ 30#define _MACHINE_ELF_H_ 1 31 32/* 33 * ELF definitions for the IA-64 architecture. 34 */ 35 36#ifndef __ELF_WORD_SIZE 37#define __ELF_WORD_SIZE 64 38#endif 39 40#include <sys/elf64.h> /* Definitions common to all 64 bit architectures. */ 41#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */ 42 43#include <sys/elf_generic.h> 44 45#define ELF_ARCH EM_IA_64 46 47#define ELF_MACHINE_OK(x) ((x) == EM_IA_64) 48 49/* 50 * Auxiliary vector entries for passing information to the interpreter. 51 * 52 * The i386 supplement to the SVR4 ABI specification names this "auxv_t", 53 * but POSIX lays claim to all symbols ending with "_t". 54 */ 55 56typedef struct { /* Auxiliary vector entry on initial stack */ 57 int a_type; /* Entry type. */ 58 union { 59 int a_val; /* Integer value. */ 60 } a_un; 61} Elf32_Auxinfo; 62 63typedef struct { /* Auxiliary vector entry on initial stack */ 64 int a_type; /* Entry type. */ 65 union { 66 long a_val; /* Integer value. */ 67 void *a_ptr; /* Address. */ 68 void (*a_fcn)(void); /* Function pointer (not used). */ 69 } a_un; 70} Elf64_Auxinfo; 71 72__ElfType(Auxinfo); 73 74/* Values for a_type. */ 75#define AT_NULL 0 /* Terminates the vector. */ 76#define AT_IGNORE 1 /* Ignored entry. */ 77#define AT_EXECFD 2 /* File descriptor of program to load. */ 78#define AT_PHDR 3 /* Program header of program already loaded. */ 79#define AT_PHENT 4 /* Size of each program header entry. */ 80#define AT_PHNUM 5 /* Number of program header entries. */ 81#define AT_PAGESZ 6 /* Page size in bytes. */ 82#define AT_BASE 7 /* Interpreter's base address. */ 83#define AT_FLAGS 8 /* Flags (unused for i386). */ 84#define AT_ENTRY 9 /* Where interpreter should transfer control. */ 85 86/* 87 * The following non-standard values are used for passing information 88 * from John Polstra's testbed program to the dynamic linker. These 89 * are expected to go away soon. 90 * 91 * Unfortunately, these overlap the Linux non-standard values, so they 92 * must not be used in the same context. 93 */ 94#define AT_BRK 10 /* Starting point for sbrk and brk. */ 95#define AT_DEBUG 11 /* Debugging level. */ 96 97/* 98 * The following non-standard values are used in Linux ELF binaries. 99 */ 100#define AT_NOTELF 10 /* Program is not ELF ?? */ 101#define AT_UID 11 /* Real uid. */ 102#define AT_EUID 12 /* Effective uid. */ 103#define AT_GID 13 /* Real gid. */ 104#define AT_EGID 14 /* Effective gid. */ 105 106#define AT_COUNT 15 /* Count of defined aux entry types. */ 107 108/* 109 * Values for e_flags. 110 */ 111#define EF_IA_64_MASKOS 0x00ff000f 112#define EF_IA_64_ABI64 0x00000010 113#define EF_IA_64_REDUCEDFP 0x00000020 114#define EF_IA_64_CONS_GP 0x00000040 115#define EF_IA_64_NOFUNCDESC_CONS_GP 0x00000080 116#define EF_IA_64_ABSOLUTE 0x00000100 117#define EF_IA_64_ARCH 0xff000000 118 119/* 120 * Segment types. 121 */ 122#define PT_IA_64_ARCHEXT 0x70000000 123#define PT_IA_64_UNWIND 0x70000001 124 125/* 126 * Segment attributes. 127 */ 128#define PF_IA_64_NORECOV 0x80000000 129 130/* 131 * Section types. 132 */ 133#define SHT_IA_64_EXT 0x70000000 134#define SHT_IA_64_UNWIND 0x70000001 135#define SHT_IA_64_LOPSREG 0x78000000 136#define SHT_IA_64_HIPSREG 0x7fffffff 137 138/* 139 * Section attribute flags. 140 */ 141#define SHF_IA_64_SHORT 0x10000000 142#define SHF_IA_64_NORECOV 0x20000000 143 144/* Define "machine" characteristics */ 145#if __ELF_WORD_SIZE == 32 146#define ELF_TARG_CLASS ELFCLASS32 147#else 148#define ELF_TARG_CLASS ELFCLASS64 149#endif 150#define ELF_TARG_DATA ELFDATA2LSB 151#define ELF_TARG_MACH EM_IA_64 152#define ELF_TARG_VER 1 153 154/* Processor specific dynmamic section tags. */ 155 156#define DT_IA_64_PLT_RESERVE 0x70000000 157 158#endif /* !_MACHINE_ELF_H_ */ 159