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src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/CompiledVFrame.java

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   1 /*
   2  * Copyright (c) 2000, 2009, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


 110   }
 111 
 112   public StackValueCollection getExpressions() {
 113     if (getScope() == null)
 114       return new StackValueCollection();
 115     List scvList = getScope().getExpressions();
 116     if (scvList == null)
 117       return new StackValueCollection();
 118 
 119     // scvList is the list of ScopeValues describing the JVM stack state.
 120     // There is one scv_list entry for every JVM stack state in use.
 121     int length = scvList.size();
 122     StackValueCollection result = new StackValueCollection(length);
 123     for( int i = 0; i < length; i++ )
 124       result.add( createStackValue((ScopeValue) scvList.get(i)) );
 125 
 126     return result;
 127   }
 128 
 129   /** Returns List<MonitorInfo> */
 130   public List   getMonitors() {
 131     List monitors = getScope().getMonitors();
 132     if (monitors == null) {
 133       return new ArrayList();
 134     }
 135     List result = new ArrayList(monitors.size());
 136     for (int i = 0; i < monitors.size(); i++) {
 137       MonitorValue mv = (MonitorValue) monitors.get(i);
 138       ScopeValue ov = mv.owner();
 139       StackValue ownerSV = createStackValue(ov); // it is an oop
 140       if (ov.isObject()) { // The owner object was scalar replaced
 141         Assert.that(mv.eliminated() && ownerSV.objIsScalarReplaced(), "monitor should be eliminated for scalar replaced object");
 142         // Put klass for scalar replaced object.
 143         ScopeValue kv = ((ObjectValue)ov).getKlass();
 144         Assert.that(kv.isConstantOop(), "klass should be oop constant for scalar replaced object");
 145         OopHandle k = ((ConstantOopReadValue)kv).getValue();
 146         result.add(new MonitorInfo(k, resolveMonitorLock(mv.basicLock()), mv.eliminated(), true));
 147       } else {
 148         result.add(new MonitorInfo(ownerSV.getObject(), resolveMonitorLock(mv.basicLock()), mv.eliminated(), false));
 149       }
 150     }
 151     return result;
 152   }
 153 
 154   public int getBCI() {
 155     int raw = getRawBCI();


   1 /*
   2  * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


 110   }
 111 
 112   public StackValueCollection getExpressions() {
 113     if (getScope() == null)
 114       return new StackValueCollection();
 115     List scvList = getScope().getExpressions();
 116     if (scvList == null)
 117       return new StackValueCollection();
 118 
 119     // scvList is the list of ScopeValues describing the JVM stack state.
 120     // There is one scv_list entry for every JVM stack state in use.
 121     int length = scvList.size();
 122     StackValueCollection result = new StackValueCollection(length);
 123     for( int i = 0; i < length; i++ )
 124       result.add( createStackValue((ScopeValue) scvList.get(i)) );
 125 
 126     return result;
 127   }
 128 
 129   /** Returns List<MonitorInfo> */
 130   public List<MonitorInfo> getMonitors() {
 131     List monitors = getScope().getMonitors();
 132     if (monitors == null) {
 133       return new ArrayList<>();
 134     }
 135     List<MonitorInfo> result = new ArrayList<>(monitors.size());
 136     for (int i = 0; i < monitors.size(); i++) {
 137       MonitorValue mv = (MonitorValue) monitors.get(i);
 138       ScopeValue ov = mv.owner();
 139       StackValue ownerSV = createStackValue(ov); // it is an oop
 140       if (ov.isObject()) { // The owner object was scalar replaced
 141         Assert.that(mv.eliminated() && ownerSV.objIsScalarReplaced(), "monitor should be eliminated for scalar replaced object");
 142         // Put klass for scalar replaced object.
 143         ScopeValue kv = ((ObjectValue)ov).getKlass();
 144         Assert.that(kv.isConstantOop(), "klass should be oop constant for scalar replaced object");
 145         OopHandle k = ((ConstantOopReadValue)kv).getValue();
 146         result.add(new MonitorInfo(k, resolveMonitorLock(mv.basicLock()), mv.eliminated(), true));
 147       } else {
 148         result.add(new MonitorInfo(ownerSV.getObject(), resolveMonitorLock(mv.basicLock()), mv.eliminated(), false));
 149       }
 150     }
 151     return result;
 152   }
 153 
 154   public int getBCI() {
 155     int raw = getRawBCI();


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