elf_ident.h

#ifndef ELF_IDENT_H
#define ELF_IDENT_H

// always 0x7f
#define EI_MAG0 0
// always 0x45 ('E')
#define EI_MAG1 1
// always 0x4c ('L')
#define EI_MAG2 2
// always 0x46 ('F')
#define EI_MAG3 3
// file's class, or capacity.
// 0: invalid
// 1: 32-bits
// 2: 64-bits
#define EI_CLASS 4
// data encoding of the processor-specific data
#define EI_DATA 5
// ELF header version number
#define EI_VERSION 6
#define EI_OSABI 7
#define EI_ABIVERSION 8
// unused bytes in the ELF identification
#define EI_PAD 9

#define EI_NIDENT 16

#define ELFMAG0 0x7f
#define ELFMAG1 'E'
#define ELFMAG2 'L'
#define ELFMAG3 'F'

#define ELFCLASSNONE 0
#define ELFCLASS32 1
#define ELFCLASS64 2

#define ELFDATANONE 0
#define ELFDATA2LSB 1
#define ELFDATA2MSB 2

#define ELFOSABI_NONE 0
#define ELFOSABI_HPUX 1
#define ELFOSABI_NETBSD 2
#define ELFOSABI_GNU 3
#define ELFOSABI_LINUX 3
#define ELFOSABI_SOLARIS 6
#define ELFOSABI_AIX 7
#define ELFOSABI_IRIX 8
#define ELFOSABI_FREEBSD 9
#define ELFOSABI_TRU64 10
#define ELFOSABI_MODESTO 11
#define ELFOSABI_OPENBSD 12
#define ELFOSABI_OPENVMS 13
#define ELFOSABI_NSK 14
#define ELFOSABI_AROS 15
#define ELFOSABI_FENIXOS 16
#define ELFOSABI_CLOUDABI 17
#define ELFOSABI_OPENVOS 18

#endif  // ELF_IDENT_H