elf.h revision 211412
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 211412 2010-08-17 08:55:45Z kib $ 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#define ELF_ARCH32 EM_386 47 48#define ELF_MACHINE_OK(x) ((x) == EM_IA_64) 49 50/* 51 * Auxiliary vector entries for passing information to the interpreter. 52 * 53 * The i386 supplement to the SVR4 ABI specification names this "auxv_t", 54 * but POSIX lays claim to all symbols ending with "_t". 55 */ 56 57typedef struct { /* Auxiliary vector entry on initial stack */ 58 int a_type; /* Entry type. */ 59 union { 60 int a_val; /* Integer value. */ 61 } a_un; 62} Elf32_Auxinfo; 63 64typedef struct { /* Auxiliary vector entry on initial stack */ 65 int a_type; /* Entry type. */ 66 union { 67 long a_val; /* Integer value. */ 68 void *a_ptr; /* Address. */ 69 void (*a_fcn)(void); /* Function pointer (not used). */ 70 } a_un; 71} Elf64_Auxinfo; 72 73__ElfType(Auxinfo); 74 75/* Values for a_type. */ 76#define AT_NULL 0 /* Terminates the vector. */ 77#define AT_IGNORE 1 /* Ignored entry. */ 78#define AT_EXECFD 2 /* File descriptor of program to load. */ 79#define AT_PHDR 3 /* Program header of program already loaded. */ 80#define AT_PHENT 4 /* Size of each program header entry. */ 81#define AT_PHNUM 5 /* Number of program header entries. */ 82#define AT_PAGESZ 6 /* Page size in bytes. */ 83#define AT_BASE 7 /* Interpreter's base address. */ 84#define AT_FLAGS 8 /* Flags (unused for i386). */ 85#define AT_ENTRY 9 /* Where interpreter should transfer control. */ 86#define AT_NOTELF 10 /* Program is not ELF ?? */ 87#define AT_UID 11 /* Real uid. */ 88#define AT_EUID 12 /* Effective uid. */ 89#define AT_GID 13 /* Real gid. */ 90#define AT_EGID 14 /* Effective gid. */ 91#define AT_EXECPATH 15 /* Path to the executable. */ 92#define AT_CANARY 16 /* Canary for SSP */ 93#define AT_CANARYLEN 17 /* Length of the canary. */ 94#define AT_OSRELDATE 18 /* OSRELDATE. */ 95#define AT_NCPUS 19 /* Number of CPUs. */ 96#define AT_PAGESIZES 20 /* Pagesizes. */ 97#define AT_PAGESIZESLEN 21 /* Number of pagesizes. */ 98 99#define AT_COUNT 22 /* Count of defined aux entry types. */ 100 101/* 102 * Values for e_flags. 103 */ 104#define EF_IA_64_MASKOS 0x00ff000f 105#define EF_IA_64_ABI64 0x00000010 106#define EF_IA_64_REDUCEDFP 0x00000020 107#define EF_IA_64_CONS_GP 0x00000040 108#define EF_IA_64_NOFUNCDESC_CONS_GP 0x00000080 109#define EF_IA_64_ABSOLUTE 0x00000100 110#define EF_IA_64_ARCH 0xff000000 111 112/* 113 * Segment types. 114 */ 115#define PT_IA_64_ARCHEXT 0x70000000 116#define PT_IA_64_UNWIND 0x70000001 117 118/* 119 * Segment attributes. 120 */ 121#define PF_IA_64_NORECOV 0x80000000 122 123/* 124 * Section types. 125 */ 126#define SHT_IA_64_EXT 0x70000000 127#define SHT_IA_64_UNWIND 0x70000001 128#define SHT_IA_64_LOPSREG 0x78000000 129#define SHT_IA_64_HIPSREG 0x7fffffff 130 131/* 132 * Section attribute flags. 133 */ 134#define SHF_IA_64_SHORT 0x10000000 135#define SHF_IA_64_NORECOV 0x20000000 136 137/* Define "machine" characteristics */ 138#if __ELF_WORD_SIZE == 32 139#define ELF_TARG_CLASS ELFCLASS32 140#else 141#define ELF_TARG_CLASS ELFCLASS64 142#endif 143#define ELF_TARG_DATA ELFDATA2LSB 144#define ELF_TARG_MACH EM_IA_64 145#define ELF_TARG_VER 1 146 147/* Processor specific dynmamic section tags. */ 148 149#define DT_IA_64_PLT_RESERVE 0x70000000 150 151#define ET_DYN_LOAD_ADDR 0x2500000000000000 152 153#endif /* !_MACHINE_ELF_H_ */ 154