idc.py 文件源码

def GetSpd(ea):
    """
    Get current delta for the stack pointer

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

    @return: The difference between the original SP upon
             entering the function and SP for the specified address
    """
    func = idaapi.get_func(ea)

    if not func:
        return None

    return idaapi.get_spd(func, ea)