Method call_native

qiling/os/fcall.py:192–212

Call a native function after properly staging its arguments and return address. Args: addr: function entry point args: a sequence of 2-tuples containing parameters types and values to pass to the function; may be empty ret: return address; may be None

(self, addr: int, args: Sequence[Tuple[Any, int]], ret: Optional[int])

        return targs, retval, retaddr

    def call_native(self, addr: int, args: Sequence[Tuple[Any, int]], ret: Optional[int]) -> None:
        """Call a native function after properly staging its arguments and return address.

        Args:
            addr: function entry point
            args: a sequence of 2-tuples containing parameters types and values to pass to the function; may be empty
            ret: return address; may be None
        """

        # reserve slots for arguments
        nslots = self.__count_slots(atype for atype, _ in args)
        self.cc.reserve(nslots)

        if ret is not None:
            self.cc.setReturnAddress(ret)

        # set arguments values
        self.writeParams(args)

        # call
        self.ql.arch.regs.arch_pc = addr