Given an instruction address this locates the image this address
        is contained in.

def find_image(self, addr):
        """Given an instruction address this locates the image this address
        is contained in.
        """
        idx = bisect.bisect_left(self._image_addresses, parse_addr(addr))
        if idx > 0:
            return self.images[self._image_addresses[idx - 1]]