_ELF_DEFINE_EI
_ELF_DEFINE_EI(EI_MAG0, 0, "magic number") \
_ELF_DEFINE_EI(EI_MAG1, 1, "magic number") \
_ELF_DEFINE_EI(EI_MAG2, 2, "magic number") \
_ELF_DEFINE_EI(EI_MAG3, 3, "magic number") \
_ELF_DEFINE_EI(EI_CLASS, 4, "file class") \
_ELF_DEFINE_EI(EI_DATA, 5, "data encoding") \
_ELF_DEFINE_EI(EI_VERSION, 6, "file version") \
_ELF_DEFINE_EI(EI_OSABI, 7, "OS ABI kind") \
_ELF_DEFINE_EI(EI_ABIVERSION, 8, "OS ABI version") \
_ELF_DEFINE_EI(EI_PAD, 9, "padding start") \
_ELF_DEFINE_EI(EI_NIDENT, 16, "total size")