--- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/MonitorInfo.java	Fri Jun 05 10:25:39 2009 -0700
+++ b/hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/MonitorInfo.java	Tue Jun 09 16:19:10 2009 -0700
@@ -25,16 +25,39 @@
 package sun.jvm.hotspot.runtime;
 
 import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.utilities.*;
 
 public class MonitorInfo {
   private OopHandle owner;
   private BasicLock lock;
+  private OopHandle ownerKlass;
+  private boolean eliminated;
+  private boolean ownerIsScalarReplaced;
 
-  public MonitorInfo(OopHandle owner, BasicLock lock) {
-    this.owner = owner;
-    this.lock  = lock;
+  public MonitorInfo(OopHandle owner, BasicLock lock, boolean eliminated, boolean ownerIsScalarReplaced) {
+    if (!ownerIsScalarReplaced) {
+      this.owner = owner;
+      this.ownerKlass = null;
+    } else {
+      Assert.that(eliminated, "monitor should be eliminated for scalar replaced object");
+      this.owner = null;
+      this.ownerKlass = owner;
+    }
+    this.eliminated = eliminated;
+    this.ownerIsScalarReplaced = ownerIsScalarReplaced;
   }
 
-  public OopHandle owner() { return owner; }
+  public OopHandle owner() {
+   Assert.that(!ownerIsScalarReplaced, "should not be called for scalar replaced object");
+   return owner;
+  }
+
+  public OopHandle ownerKlass() {
+   Assert.that(ownerIsScalarReplaced, "should not be called for not scalar replaced object");
+   return ownerKlass;
+  }
+
   public BasicLock lock()  { return lock; }
+  public boolean eliminated() { return eliminated; }
+  public boolean ownerIsScalarReplaced() { return ownerIsScalarReplaced; }
 }