001    /*
002     *  This file is part of the Jikes RVM project (http://jikesrvm.org).
003     *
004     *  This file is licensed to You under the Eclipse Public License (EPL);
005     *  You may not use this file except in compliance with the License. You
006     *  may obtain a copy of the License at
007     *
008     *      http://www.opensource.org/licenses/eclipse-1.0.php
009     *
010     *  See the COPYRIGHT.txt file distributed with this work for information
011     *  regarding copyright ownership.
012     */
013    package org.jikesrvm.compilers.opt.driver;
014    
015    import org.jikesrvm.classloader.NormalMethod;
016    
017    /**
018     * An instance of this class acts instructs the optimizing
019     * compiler how to instrument a method to support the
020     * gathering of runtime measurement information
021     *
022     * Currently empty, but will gradually add function here
023     * as the Adaptive Optimization Subsystem evolves.
024     */
025    public abstract class InstrumentationPlan {
026      /**
027       * Called before at the beginning of compilation
028       */
029      public abstract void initInstrumentation(NormalMethod method);
030    
031      /**
032       * Called after compilation completes, but before method is executed
033       */
034      public abstract void finalizeInstrumentation(NormalMethod method);
035    }