idc.py 文件源码

def GetSpDiff(ea):
    """
    Get modification of SP made by the instruction

    @param ea: end address of the instruction
               i.e.the last address of the instruction+1

    @return: Get modification of SP made at the specified location
             If the specified location doesn't contain a SP change point, return 0
             Otherwise return delta of SP modification
    """
    func = idaapi.get_func(ea)

    if not func:
        return None

    return idaapi.get_sp_delta(func, ea)