diff -r 000000000000 -r 6474c204b198 tools/jprof/intcnt.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/jprof/intcnt.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,38 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef INTCNT_H
+#define INTCNT_H
+
+class IntCount
+{
+public:
+    IntCount();
+    ~IntCount();
+    void clear();
+    int countAdd(int index, int increment=1);
+    int countGet(int index);
+    int getSize();
+    int getCount(int pos);
+    int getIndex(int pos);
+
+    IntCount(const IntCount&old)
+    {
+      numInts = old.numInts;
+      if (numInts > 0) {
+        iPair = new IntPair[numInts];
+        for (int i = 0; i < numInts; i++) {
+          iPair[i] = old.iPair[i];
+        }
+      } else {
+        iPair = nullptr;
+      }
+    }
+private:
+
+    int    numInts;
+    struct IntPair{int idx; int cnt;} *iPair;
+};
+
+#endif