Method and device of running application program across systems

A device of running an application program across systems, the device comprising:

• a loading module configured to load a target application program;
• an application module configured to apply for a memory space on a current operating system for the target application program;
• a modification module configured to modify an address of a global variable and an address of an absolute jump instruction in the target application program according to an address of the applied memory space to adapt to the memory space of the current operating system;
• an instruction obtainment module configured to obtain a SWI instruction of the target application program;
• and
• a redirection module configured to redirect the SWI instruction to an instruction of calling the current operating system.