--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/gc/g1/heapRegionTracer.hpp	Fri Feb 12 09:19:10 2016 +0100
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ */
+
+#ifndef SHARE_VM_GC_G1_HEAPREGIONTRACER_HPP
+#define SHARE_VM_GC_G1_HEAPREGIONTRACER_HPP
+
+#include "gc/g1/g1HeapRegionTraceType.hpp"
+#include "memory/allocation.hpp"
+
+class HeapRegionTracer : AllStatic {
+  public:
+    static void send_region_type_change(uint index,
+                                        G1HeapRegionTraceType::Type from,
+                                        G1HeapRegionTraceType::Type to,
+                                        uintptr_t start,
+                                        size_t used,
+                                        uint allocationContext);
+};
+
+#endif // SHARE_VM_GC_G1_HEAPREGIONTRACER_HPP