internal/gocore/region.go
func (r region) Uint64() uint64 {
	if r.typ.Kind != KindUint || r.typ.Size != 8 {
		panic("bad uint64 type " + r.typ.Name)
	}
	return r.p.proc.ReadUint64(r.a)
}
func (r region) Uint64() uint64 {
	if r.typ.Kind != KindUint || r.typ.Size != 8 {
		panic("bad uint64 type " + r.typ.Name)
	}
	return r.p.proc.ReadUint64(r.a)
}
// Uint64 returns the uint64 value stored in r.
// r must have type uint64.