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.adaptive.recompilation.instrumentation;
014    
015    import org.jikesrvm.adaptive.util.AOSOptions;
016    import org.jikesrvm.classloader.NormalMethod;
017    import org.jikesrvm.compilers.opt.driver.InstrumentationPlan;
018    
019    /**
020     * An instance of this class is created for each method that is
021     * instrumented by the adaptive system.  It serves as a place to put
022     * information that is needed by the instrumentation phases.  Is is
023     * different from an InstrumentationPlan because it contains
024     * information that the non-adaptive opt-compiler can't see.
025     */
026    public class AOSInstrumentationPlan extends InstrumentationPlan {
027      /**
028       * Construct empty plan, must setup manually
029       **/
030      public AOSInstrumentationPlan(NormalMethod method) {
031      }
032    
033      /**
034       * Construct based on options
035       **/
036      public AOSInstrumentationPlan(AOSOptions options, NormalMethod method) {
037        // If we want to collect method invocation counts.
038        if (options.INSERT_METHOD_COUNTERS_OPT) {
039        }
040      }
041    
042      /**
043       * Initialize instrumentation by the opt compiler immediately before
044       * compilation begins.
045       **/
046      public void initInstrumentation(NormalMethod method) {
047      }
048    
049      /**
050       * Called after compilation is complete.  If instrumentation has
051       * occurred, perform some cleanup/finalization
052       **/
053    
054      public void finalizeInstrumentation(NormalMethod method) {
055      }
056    }
057