Get all possible function addresses that are specified by the symbols in the binary

        :return: A set of addresses that are probably functions
        :rtype: set

def _func_addrs_from_symbols(self):
        """
        Get all possible function addresses that are specified by the symbols in the binary

        :return: A set of addresses that are probably functions
        :rtype: set
        """

        return {sym.rebased_addr for sym in self._binary.symbols if sym.is_function}