If this function is a PLT entry or not.
        :return: True if this function is a PLT entry, False otherwise
        :rtype: bool

def is_plt(self):
        """
        If this function is a PLT entry or not.
        :return: True if this function is a PLT entry, False otherwise
        :rtype: bool
        """

        if self.section == ".plt":
            return True

        if not self.blocks:
            return False

        initial_block = next((b for b in self.blocks if b.addr == self.addr), None)
        if initial_block is None:
            return False

        if not initial_block.instructions:
            return False

        if not initial_block.instructions[0].labels:
            return False

        lbl = initial_block.instructions[0].labels[0]

        if isinstance(lbl, FunctionLabel):
            return lbl.plt

        return False