1. A processor emulation device comprising: an address converter configured to convert a virtual address in a guest environment into a physical address in a host environment, wherein a correspondence between the virtual address and a physical address in the guest environment is different from a correspondence between a virtual address and the physical address in the host environment controlled by a host OS; and an exception handling processing part configured to, in a case where a page attribute obtained in converting the virtual address in the guest environment into the physical address in the guest environment is an attribute specific to the guest environment and absent in the host environment, perform an exception handling process based on the attribute specific to the guest environment.