Function init

undump.go:256–281

()

}

func init() {
	copy(header.Signature[:], Signature)
	header.Version = VersionMajor<<4 | VersionMinor
	header.Format = 0
	if endianness() == binary.LittleEndian {
		header.Endianness = 1
	} else {
		header.Endianness = 0
	}
	header.IntSize = 4
	header.PointerSize = byte(1+^uintptr(0)>>32&1) * 4
	header.InstructionSize = byte(1+^instruction(0)>>32&1) * 4
	header.NumberSize = 8
	header.IntegralNumber = 0
	tail := "\x19\x93\r\n\x1a\n"
	copy(header.Tail[:], tail)

	// The uintptr numeric type is implementation-specific
	uintptrBitCount := byte(0)
	for bits := ^uintptr(0); bits != 0; bits >>= 1 {
		uintptrBitCount++
	}
	if uintptrBitCount != header.PointerSize*8 {
		panic(fmt.Sprintf("invalid pointer size (%d)", uintptrBitCount))
	}
}

func endianness() binary.ByteOrder {
	if x := 1; *(*byte)(unsafe.Pointer(&x)) == 1 {