| /* |
| * 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.sanitychecker; |
| |
| import org.mmtk.plan.TraceLocal; |
| import org.mmtk.plan.Trace; |
| |
| import org.vmmagic.pragma.*; |
| import org.vmmagic.unboxed.*; |
| |
| /** |
| * This class implements the simply sanity closure. |
| */ |
| @Uninterruptible |
| public final class SanityTraceLocal extends TraceLocal { |
| |
| private final SanityChecker sanityChecker; |
| |
| /** |
| * Constructor |
| */ |
| public SanityTraceLocal(Trace trace, SanityChecker sanityChecker) { |
| super(trace); |
| this.sanityChecker = sanityChecker; |
| } |
| |
| /**************************************************************************** |
| * |
| * Object processing and tracing |
| */ |
| |
| /** |
| * This method is the core method during the trace of the object graph. |
| * The role of this method is to: |
| * |
| * @param object The object to be traced. |
| * @param root Is this object a root? |
| * @return The new reference to the same object instance. |
| */ |
| @Inline |
| public ObjectReference traceObject(ObjectReference object, boolean root) { |
| sanityChecker.processObject(this, object, root); |
| return object; |
| } |
| |
| /** |
| * Will this object move from this point on, during the current trace ? |
| * |
| * @param object The object to query. |
| * @return True if the object will not move. |
| */ |
| public boolean willNotMoveInCurrentCollection(ObjectReference object) { |
| // We never move objects! |
| return true; |
| } |
| } |