--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/services/nmtCommon.hpp	Wed Aug 27 08:19:12 2014 -0400
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2014, 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_SERVICES_NMT_COMMON_HPP
+#define SHARE_VM_SERVICES_NMT_COMMON_HPP
+
+#include "memory/allocation.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+#define CALC_OBJ_SIZE_IN_TYPE(obj, type) (align_size_up_(sizeof(obj), sizeof(type))/sizeof(type))
+
+// Data type for memory counters
+#ifdef _LP64
+  typedef jlong    MemoryCounterType;
+#else
+  typedef jint     MemoryCounterType;
+#endif
+
+// Native memory tracking level
+enum NMT_TrackingLevel {
+  NMT_unknown = 0xFF,
+  NMT_off     = 0x00,
+  NMT_minimal = 0x01,
+  NMT_summary = 0x02,
+  NMT_detail  = 0x03
+};
+
+// Number of stack frames to capture. This is a
+// build time decision.
+const int NMT_TrackingStackDepth = 4;
+
+class NativeCallStack;
+extern NativeCallStack emptyStack;
+
+// A few common utilities for native memory tracking
+class NMTUtil : AllStatic {
+ public:
+  // Map memory type to index
+  static inline int flag_to_index(MEMFLAGS flag) {
+    return (flag & 0xff);
+  }
+
+  // Map memory type to human readable name
+  static const char* flag_to_name(MEMFLAGS flag) {
+    return _memory_type_names[flag_to_index(flag)];
+  }
+
+  // Map an index to memory type
+  static MEMFLAGS index_to_flag(int index) {
+    return (MEMFLAGS)index;
+  }
+
+  // Memory size scale
+  static const char* scale_name(size_t scale);
+  static size_t scale_from_name(const char* scale);
+
+  // Translate memory size in specified scale
+  static size_t amount_in_scale(size_t amount, size_t scale) {
+    return (amount + scale / 2) / scale;
+  }
+ private:
+  static const char* _memory_type_names[mt_number_of_types];
+};
+
+
+#endif