0x0-0x3
	"magic number"
0x4
	if (0x01) "32 bit elf"
	if (0x02) "64 bit elf"
0x5
	if (0x01) "little endian"
	if (0x02) "big endian"
0x10
	if (0x1) "relocatable ELF"
	if (0x2) "executable ELF"
	if (0x3) "shared ELF"
	if (0x4) "Core ELF what that"