--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/HelloWorld.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2000-2001 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package sun.jvm.hotspot;
+
+import java.lang.reflect.*;
+
+public class HelloWorld {
+  private static String helloWorldString = "Hello, world!";
+  private static volatile int helloWorldTrigger = 0;
+  private static final boolean useMethodInvoke = false;
+  private static Object lock = new Object();
+
+  public static void main(String[] args) {
+    int foo = a();
+
+    System.out.println("HelloWorld exiting. a() = " + foo);
+  }
+
+  private static int a() {
+    return 1 + b();
+  }
+
+  private static int b() {
+    return 1 + c();
+  }
+
+  private static int c() {
+    return 1 + d("Hi");
+  }
+
+  private static int d(String x) {
+    System.out.println("HelloWorld.d() received \"" + x + "\" as argument");
+    synchronized(lock) {
+      if (useMethodInvoke) {
+        try {
+          Method method = HelloWorld.class.getMethod("e", null);
+          Integer result = (Integer) method.invoke(null, new Object[0]);
+          return result.intValue();
+        }
+        catch (Exception e) {
+          throw new RuntimeException(e.toString());
+        }
+      } else {
+
+        int i = fib(10); // 89
+        long l = i;
+        float f = i;
+        double d = i;
+        char c = (char) i;
+        short s = (short) i;
+        byte b = (byte) i;
+
+        int ret = e();
+
+        System.out.println("Tenth Fibonacci number in all formats: " +
+                           i + ", " +
+                           l + ", " +
+                           f + ", " +
+                           d + ", " +
+                           c + ", " +
+                           s + ", " +
+                           b);
+
+        return ret;
+      }
+    }
+  }
+
+  public static int e() {
+    System.out.println("Going to sleep...");
+
+    int i = 0;
+
+    while (helloWorldTrigger == 0) {
+      if (++i == 1000000) {
+        System.gc();
+      }
+    }
+
+    System.out.println(helloWorldString);
+
+    while (helloWorldTrigger != 0) {
+    }
+
+    return i;
+  }
+
+  // Tree-recursive implementation for test
+  public static int fib(int n) {
+    if (n < 2) {
+      return 1;
+    }
+    return fib(n - 1) + fib(n - 2);
+  }
+}