public int getAddressSize() {
		return addressSize;
	}
Reads a {@link DWARFAddressListHeader} from the stream.

@param reader {@link BinaryReader} stream
@param defaultIntSize native int size for the binary
@return {@link DWARFAddressListHeader}, or null if end-of-list marker
@throws IOException if error reading
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/dwarf/DWARFAddressListHeader.java