Get the base address of a memory region.

        :param str region: ID of the memory region
        :return: Address of the memory region
        :rtype: int

def _region_base(self, region):
        """
        Get the base address of a memory region.

        :param str region: ID of the memory region
        :return: Address of the memory region
        :rtype: int
        """

        if region == 'global':
            region_base_addr = 0
        elif region.startswith('stack_'):
            region_base_addr = self._stack_region_map.absolutize(region, 0)
        else:
            region_base_addr = self._generic_region_map.absolutize(region, 0)

        return region_base_addr