| /* |
| * This file is part of the Jikes RVM project (http://jikesrvm.org). |
| * |
| * This file is licensed to You under the Eclipse Public License (EPL); |
| * You may not use this file except in compliance with the License. You |
| * may obtain a copy of the License at |
| * |
| * http://www.opensource.org/licenses/eclipse-1.0.php |
| * |
| * See the COPYRIGHT.txt file distributed with this work for information |
| * regarding copyright ownership. |
| */ |
| package org.mmtk.utility.gcspy; |
| |
| import org.mmtk.utility.gcspy.drivers.AbstractDriver; |
| |
| import org.vmmagic.unboxed.*; |
| import org.vmmagic.pragma.*; |
| |
| /** |
| * This class is only necessary because we cannot implement |
| * org.mmtk.utility.alloc.LinearScan as an interface since the invokeinterface |
| * bytecode is forbidden in uninterruptible code. |
| */ |
| @Uninterruptible public class LinearScan extends org.mmtk.utility.alloc.LinearScan { |
| |
| private final AbstractDriver driver; |
| |
| /** |
| * Create a new scanner. |
| * @param d The GCspy driver that provides the callback. |
| */ |
| public LinearScan(AbstractDriver d) { driver = d; } |
| |
| /** |
| * Scan an object. The object reference is passed to the scan method of the |
| * GCspy driver registered with this scanner. |
| * @param obj The object to scan. |
| */ |
| public void scan(ObjectReference obj) { driver.scan(obj); } |
| } |
| |