file/readelf.h

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
   7  * Reserved.  This file contains Original Code and/or Modifications of
   8  * Original Code as defined in and that are subject to the Apple Public
   9  * Source License Version 1.1 (the "License").  You may not use this file
  10  * except in compliance with the License.  Please obtain a copy of the
  11  * License at http://www.apple.com/publicsource and read it before using
  12  * this file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
  19  * License for the specific language governing rights and limitations
  20  * under the License.
  21  *
  22  * @APPLE_LICENSE_HEADER_END@
  23  */
  24 /*      $OpenBSD: readelf.h,v 1.1 1997/02/09 23:58:34 millert Exp $     */
  25
  26 /*
  27  * readelf.h
  28  *
  29  * Provide elf data structures for non-elf machines, allowing file
  30  * non-elf hosts to determine if an elf binary is stripped.
  31  * Note: cobbled from the linux header file, with modifications
  32  */
  33 #ifndef __fake_elf_h__
  34 #define __fake_elf_h__
  35
  36 typedef unsigned int    Elf32_Addr;
  37 typedef unsigned short  Elf32_Half;
  38 typedef unsigned int    Elf32_Off;
  39 typedef unsigned int    Elf32_Word;
  40 typedef unsigned char   Elf32_Char;
  41
  42 /* XXX: We need 64 bit numbers here */
  43 typedef unsigned int    Elf64_Addr[2];
  44 typedef unsigned short  Elf64_Half;
  45 typedef unsigned int    Elf64_Off[2];
  46 typedef unsigned int    Elf64_Word;
  47 typedef unsigned char   Elf64_Char;
  48
  49 #define EI_NIDENT       16
  50
  51 typedef struct {
  52     Elf32_Char  e_ident[EI_NIDENT];
  53     Elf32_Half  e_type;
  54     Elf32_Half  e_machine;
  55     Elf32_Word  e_version;
  56     Elf32_Addr  e_entry;  /* Entry point */
  57     Elf32_Off   e_phoff;
  58     Elf32_Off   e_shoff;
  59     Elf32_Word  e_flags;
  60     Elf32_Half  e_ehsize;
  61     Elf32_Half  e_phentsize;
  62     Elf32_Half  e_phnum;
  63     Elf32_Half  e_shentsize;
  64     Elf32_Half  e_shnum;
  65     Elf32_Half  e_shstrndx;
  66 } Elf32_Ehdr;
  67
  68 typedef struct {
  69     Elf64_Char  e_ident[EI_NIDENT];
  70     Elf64_Half  e_type;
  71     Elf64_Half  e_machine;
  72     Elf64_Word  e_version;
  73     Elf64_Addr  e_entry;  /* Entry point */
  74     Elf64_Off   e_phoff;
  75     Elf64_Off   e_shoff;
  76     Elf64_Word  e_flags;
  77     Elf64_Half  e_ehsize;
  78     Elf64_Half  e_phentsize;
  79     Elf64_Half  e_phnum;
  80     Elf64_Half  e_shentsize;
  81     Elf64_Half  e_shnum;
  82     Elf64_Half  e_shstrndx;
  83 } Elf64_Ehdr;
  84
  85 /* e_type */
  86 #define ET_EXEC         2
  87 #define ET_CORE         4
  88
  89 /* sh_type */
  90 #define SHT_SYMTAB      2
  91 #define SHT_NOTE        7
  92
  93 /* elf type */
  94 #define ELFDATANONE     0               /* e_ident[EI_DATA] */
  95 #define ELFDATA2LSB     1
  96 #define ELFDATA2MSB     2
  97
  98 /* elf class */
  99 #define ELFCLASSNONE    0
 100 #define ELFCLASS32      1
 101 #define ELFCLASS64      2
 102
 103 /* magic number */
 104 #define EI_MAG0         0               /* e_ident[] indexes */
 105 #define EI_MAG1         1
 106 #define EI_MAG2         2
 107 #define EI_MAG3         3
 108 #define EI_CLASS        4
 109 #define EI_DATA         5
 110 #define EI_VERSION      6
 111 #define EI_PAD          7
 112
 113 #define ELFMAG0         0x7f            /* EI_MAG */
 114 #define ELFMAG1         'E'
 115 #define ELFMAG2         'L'
 116 #define ELFMAG3         'F'
 117 #define ELFMAG          "\177ELF"
 118
 119 typedef struct {
 120     Elf32_Word  p_type;
 121     Elf32_Off   p_offset;
 122     Elf32_Addr  p_vaddr;
 123     Elf32_Addr  p_paddr;
 124     Elf32_Word  p_filesz;
 125     Elf32_Word  p_memsz;
 126     Elf32_Word  p_flags;
 127     Elf32_Word  p_align;
 128 } Elf32_Phdr;
 129
 130 #define PT_NULL         0               /* p_type */
 131 #define PT_LOAD         1
 132 #define PT_DYNAMIC      2
 133 #define PT_INTERP       3
 134 #define PT_NOTE         4
 135 #define PT_SHLIB        5
 136 #define PT_PHDR         6
 137 #define PT_NUM          7
 138
 139 typedef struct {
 140     Elf32_Word  sh_name;
 141     Elf32_Word  sh_type;
 142     Elf32_Word  sh_flags;
 143     Elf32_Addr  sh_addr;
 144     Elf32_Off   sh_offset;
 145     Elf32_Word  sh_size;
 146     Elf32_Word  sh_link;
 147     Elf32_Word  sh_info;
 148     Elf32_Word  sh_addralign;
 149     Elf32_Word  sh_entsize;
 150 } Elf32_Shdr;
 151
 152 typedef struct {
 153     Elf64_Word  sh_name;
 154     Elf64_Word  sh_type;
 155     Elf64_Off   sh_flags;
 156     Elf64_Addr  sh_addr;
 157     Elf64_Off   sh_offset;
 158     Elf64_Off   sh_size;
 159     Elf64_Word  sh_link;
 160     Elf64_Word  sh_info;
 161     Elf64_Off   sh_addralign;
 162     Elf64_Off   sh_entsize;
 163 } Elf64_Shdr;
 164
 165 /* Notes used in ET_CORE */
 166 #define NT_PRSTATUS     1
 167 #define NT_PRFPREG      2
 168 #define NT_PRPSINFO     3
 169 #define NT_TASKSTRUCT   4
 170
 171 /* Note header in a PT_NOTE section */
 172 typedef struct elf_note {
 173   Elf32_Word    n_namesz;       /* Name size */
 174   Elf32_Word    n_descsz;       /* Content size */
 175   Elf32_Word    n_type;         /* Content type */
 176 } Elf32_Nhdr;
 177
 178 typedef struct {
 179     Elf64_Word  n_namesz;
 180     Elf64_Word  n_descsz;
 181     Elf64_Word  n_type;
 182 } Elf64_Nhdr;
 183
 184 #define NT_PRSTATUS     1
 185 #define NT_PRFPREG      2
 186 #define NT_PRPSINFO     3
 187 #define NT_PRXREG       4
 188 #define NT_PLATFORM     5
 189 #define NT_AUXV         6
 190
 191 #endif