--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/MonitorInfo.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2001, 2009, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+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, 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() {
+   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; }
+}