--- a/src/hotspot/share/runtime/vmStructs.cpp	Thu Oct 19 11:31:52 2017 -0700
+++ b/src/hotspot/share/runtime/vmStructs.cpp	Thu Oct 19 20:48:31 2017 -0400
@@ -48,6 +48,7 @@
 #include "gc/parallel/mutableSpace.hpp"
 #include "gc/serial/defNewGeneration.hpp"
 #include "gc/serial/tenuredGeneration.hpp"
+#include "gc/cms/cmsHeap.hpp"
 #include "gc/shared/cardTableRS.hpp"
 #include "gc/shared/collectedHeap.hpp"
 #include "gc/shared/genCollectedHeap.hpp"
@@ -1463,6 +1464,7 @@
                                                                           \
   declare_toplevel_type(CollectedHeap)                                    \
            declare_type(GenCollectedHeap,             CollectedHeap)      \
+           declare_type(CMSHeap,                      GenCollectedHeap)   \
   declare_toplevel_type(Generation)                                       \
            declare_type(DefNewGeneration,             Generation)         \
            declare_type(CardGeneration,               Generation)         \

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/cms/CMSHeap.java	Thu Oct 19 20:48:31 2017 -0400
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2017, Red Hat, Inc. and/or its affiliates.
+ * 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.gc.cms;
+
+import sun.jvm.hotspot.debugger.Address;
+import sun.jvm.hotspot.gc.shared.GenCollectedHeap;
+import sun.jvm.hotspot.gc.shared.CollectedHeapName;
+
+public class CMSHeap extends GenCollectedHeap {
+
+  public CMSHeap(Address addr) {
+    super(addr);
+  }
+
+  public CollectedHeapName kind() {
+    return CollectedHeapName.CMS_HEAP;
+  }
+}

--- a/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/shared/CollectedHeapName.java	Thu Oct 19 11:31:52 2017 -0700
+++ b/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/shared/CollectedHeapName.java	Thu Oct 19 20:48:31 2017 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2017, 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
@@ -32,6 +32,7 @@
   private CollectedHeapName(String name) { this.name = name; }
 
   public static final CollectedHeapName GEN_COLLECTED_HEAP = new CollectedHeapName("GenCollectedHeap");
+  public static final CollectedHeapName CMS_HEAP = new CollectedHeapName("CMSHeap");
   public static final CollectedHeapName G1_COLLECTED_HEAP = new CollectedHeapName("G1CollectedHeap");
   public static final CollectedHeapName PARALLEL_SCAVENGE_HEAP = new CollectedHeapName("ParallelScavengeHeap");
 

--- a/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/memory/Universe.java	Thu Oct 19 11:31:52 2017 -0700
+++ b/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/memory/Universe.java	Thu Oct 19 20:48:31 2017 -0400
@@ -27,6 +27,7 @@
 import java.io.*;
 import java.util.*;
 import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.gc.cms.CMSHeap;
 import sun.jvm.hotspot.gc.shared.*;
 import sun.jvm.hotspot.gc.g1.G1CollectedHeap;
 import sun.jvm.hotspot.gc.parallel.*;
@@ -77,6 +78,7 @@
 
     heapConstructor = new VirtualConstructor(db);
     heapConstructor.addMapping("GenCollectedHeap", GenCollectedHeap.class);
+    heapConstructor.addMapping("CMSHeap", CMSHeap.class);
     heapConstructor.addMapping("ParallelScavengeHeap", ParallelScavengeHeap.class);
     heapConstructor.addMapping("G1CollectedHeap", G1CollectedHeap.class);