contrib/file-4/src/readelf.h

   1 /*
   2  * Copyright (c) Christos Zoulas 2003.
   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 immediately at the beginning of the file, without modification,
  10  *    this list of conditions, and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  19  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  */
  27 /*
  28  * @(#)Id: readelf.h,v 1.9 2002/05/16 18:45:56 christos Exp
  29  *
  30  * Provide elf data structures for non-elf machines, allowing file
  31  * non-elf hosts to determine if an elf binary is stripped.
  32  * Note: cobbled from the linux header file, with modifications
  33  */
  34 #ifndef __fake_elf_h__
  35 #define __fake_elf_h__
  36
  37 #if HAVE_STDINT_H
  38 #include <stdint.h>
  39 #endif
  40
  41 typedef uint32_t        Elf32_Addr;
  42 typedef uint32_t        Elf32_Off;
  43 typedef uint16_t        Elf32_Half;
  44 typedef uint32_t        Elf32_Word;
  45 typedef uint8_t         Elf32_Char;
  46
  47 #if SIZEOF_UINT64_T != 8
  48 #define USE_ARRAY_FOR_64BIT_TYPES
  49 typedef uint32_t        Elf64_Addr[2];
  50 typedef uint32_t        Elf64_Off[2];
  51 typedef uint32_t        Elf64_Xword[2];
  52 #else
  53 typedef uint64_t        Elf64_Addr;
  54 typedef uint64_t        Elf64_Off;
  55 typedef uint64_t        Elf64_Xword;
  56 #endif
  57 typedef uint16_t        Elf64_Half;
  58 typedef uint32_t        Elf64_Word;
  59 typedef uint8_t         Elf64_Char;
  60
  61 #define EI_NIDENT       16
  62
  63 typedef struct {
  64     Elf32_Char  e_ident[EI_NIDENT];
  65     Elf32_Half  e_type;
  66     Elf32_Half  e_machine;
  67     Elf32_Word  e_version;
  68     Elf32_Addr  e_entry;  /* Entry point */
  69     Elf32_Off   e_phoff;
  70     Elf32_Off   e_shoff;
  71     Elf32_Word  e_flags;
  72     Elf32_Half  e_ehsize;
  73     Elf32_Half  e_phentsize;
  74     Elf32_Half  e_phnum;
  75     Elf32_Half  e_shentsize;
  76     Elf32_Half  e_shnum;
  77     Elf32_Half  e_shstrndx;
  78 } Elf32_Ehdr;
  79
  80 typedef struct {
  81     Elf64_Char  e_ident[EI_NIDENT];
  82     Elf64_Half  e_type;
  83     Elf64_Half  e_machine;
  84     Elf64_Word  e_version;
  85     Elf64_Addr  e_entry;  /* Entry point */
  86     Elf64_Off   e_phoff;
  87     Elf64_Off   e_shoff;
  88     Elf64_Word  e_flags;
  89     Elf64_Half  e_ehsize;
  90     Elf64_Half  e_phentsize;
  91     Elf64_Half  e_phnum;
  92     Elf64_Half  e_shentsize;
  93     Elf64_Half  e_shnum;
  94     Elf64_Half  e_shstrndx;
  95 } Elf64_Ehdr;
  96
  97 /* e_type */
  98 #define ET_EXEC         2
  99 #define ET_CORE         4
 100
 101 /* sh_type */
 102 #define SHT_SYMTAB      2
 103 #define SHT_NOTE        7
 104 #define SHT_DYNSYM      11
 105
 106 /* elf type */
 107 #define ELFDATANONE     0               /* e_ident[EI_DATA] */
 108 #define ELFDATA2LSB     1
 109 #define ELFDATA2MSB     2
 110
 111 /* elf class */
 112 #define ELFCLASSNONE    0
 113 #define ELFCLASS32      1
 114 #define ELFCLASS64      2
 115
 116 /* magic number */
 117 #define EI_MAG0         0               /* e_ident[] indexes */
 118 #define EI_MAG1         1
 119 #define EI_MAG2         2
 120 #define EI_MAG3         3
 121 #define EI_CLASS        4
 122 #define EI_DATA         5
 123 #define EI_VERSION      6
 124 #define EI_PAD          7
 125
 126 #define ELFMAG0         0x7f            /* EI_MAG */
 127 #define ELFMAG1         'E'
 128 #define ELFMAG2         'L'
 129 #define ELFMAG3         'F'
 130 #define ELFMAG          "\177ELF"
 131
 132 #define OLFMAG1         'O'
 133 #define OLFMAG          "\177OLF"
 134
 135 typedef struct {
 136     Elf32_Word  p_type;
 137     Elf32_Off   p_offset;
 138     Elf32_Addr  p_vaddr;
 139     Elf32_Addr  p_paddr;
 140     Elf32_Word  p_filesz;
 141     Elf32_Word  p_memsz;
 142     Elf32_Word  p_flags;
 143     Elf32_Word  p_align;
 144 } Elf32_Phdr;
 145
 146 typedef struct {
 147     Elf64_Word  p_type;
 148     Elf64_Word  p_flags;
 149     Elf64_Off   p_offset;
 150     Elf64_Addr  p_vaddr;
 151     Elf64_Addr  p_paddr;
 152     Elf64_Xword p_filesz;
 153     Elf64_Xword p_memsz;
 154     Elf64_Xword p_align;
 155 } Elf64_Phdr;
 156
 157 #define PT_NULL         0               /* p_type */
 158 #define PT_LOAD         1
 159 #define PT_DYNAMIC      2
 160 #define PT_INTERP       3
 161 #define PT_NOTE         4
 162 #define PT_SHLIB        5
 163 #define PT_PHDR         6
 164 #define PT_NUM          7
 165
 166 typedef struct {
 167     Elf32_Word  sh_name;
 168     Elf32_Word  sh_type;
 169     Elf32_Word  sh_flags;
 170     Elf32_Addr  sh_addr;
 171     Elf32_Off   sh_offset;
 172     Elf32_Word  sh_size;
 173     Elf32_Word  sh_link;
 174     Elf32_Word  sh_info;
 175     Elf32_Word  sh_addralign;
 176     Elf32_Word  sh_entsize;
 177 } Elf32_Shdr;
 178
 179 typedef struct {
 180     Elf64_Word  sh_name;
 181     Elf64_Word  sh_type;
 182     Elf64_Off   sh_flags;
 183     Elf64_Addr  sh_addr;
 184     Elf64_Off   sh_offset;
 185     Elf64_Off   sh_size;
 186     Elf64_Word  sh_link;
 187     Elf64_Word  sh_info;
 188     Elf64_Off   sh_addralign;
 189     Elf64_Off   sh_entsize;
 190 } Elf64_Shdr;
 191
 192 /* Notes used in ET_CORE */
 193 #define NT_PRSTATUS     1
 194 #define NT_PRFPREG      2
 195 #define NT_PRPSINFO     3
 196 #define NT_TASKSTRUCT   4
 197
 198 #define NT_NETBSD_CORE_PROCINFO         1
 199
 200 /* Note header in a PT_NOTE section */
 201 typedef struct elf_note {
 202     Elf32_Word  n_namesz;       /* Name size */
 203     Elf32_Word  n_descsz;       /* Content size */
 204     Elf32_Word  n_type;         /* Content type */
 205 } Elf32_Nhdr;
 206
 207 typedef struct {
 208     Elf64_Word  n_namesz;
 209     Elf64_Word  n_descsz;
 210     Elf64_Word  n_type;
 211 } Elf64_Nhdr;
 212
 213 #define NT_PRSTATUS     1
 214 #define NT_PRFPREG      2
 215 #define NT_PRPSINFO     3
 216 #define NT_PRXREG       4
 217 #define NT_PLATFORM     5
 218 #define NT_AUXV         6
 219
 220 /* Note types used in executables */
 221 /* NetBSD executables (name = "NetBSD") */
 222 #define NT_NETBSD_VERSION       1
 223 #define NT_NETBSD_EMULATION     2
 224 #define NT_FREEBSD_VERSION      1
 225 #define NT_OPENBSD_VERSION      1
 226 /* GNU executables (name = "GNU") */
 227 #define NT_GNU_VERSION          1
 228
 229 /* GNU OS tags */
 230 #define GNU_OS_LINUX    0
 231 #define GNU_OS_HURD     1
 232 #define GNU_OS_SOLARIS  2
 233
 234 #endif