func Hint(target uint32, mode uint32) {
	syscall.Syscall(gpHint, 2, uintptr(target), uintptr(mode), 0)
}
func Hint(target uint32, mode uint32) {
	syscall.Syscall(gpHint, 2, uintptr(target), uintptr(mode), 0)
}
// specify implementation-specific hints