feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/com/sun/demo/jvmti/hprof/Tracker.java

@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   - Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *   - Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ *   - Neither the name of Oracle nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package com.sun.demo.jvmti.hprof;
+
+/* This class and it's methods are used by hprof when injecting bytecodes
+ *   into class file images.
+ *   See the directory src/share/demo/jvmti/hprof and the file README.txt
+ *   for more details.
+ */
+
+public class Tracker {
+
+    /* Master switch that activates calls to native functions. */
+
+    private static int engaged = 0;
+
+    /* To track memory allocated, we need to catch object init's and arrays. */
+
+    /* At the beginning of java.jang.Object.<init>(), a call to
+     *   Tracker.ObjectInit() is injected.
+     */
+
+    private static native void nativeObjectInit(Object thr, Object obj);
+
+    public static void ObjectInit(Object obj)
+    {
+        if ( engaged != 0) {
+            if (obj == null) {
+                throw new IllegalArgumentException("Null object.");
+            }
+            nativeObjectInit(Thread.currentThread(), obj);
+        }
+    }
+
+    /* Immediately following any of the newarray bytecodes, a call to
+     *   Tracker.NewArray() is injected.
+     */
+
+    private static native void nativeNewArray(Object thr, Object obj);
+
+    public static void NewArray(Object obj)
+    {
+        if ( engaged != 0) {
+            if (obj == null) {
+                throw new IllegalArgumentException("Null object.");
+            }
+            nativeNewArray(Thread.currentThread(), obj);
+        }
+    }
+
+    /* For cpu time spent in methods, we need to inject for every method. */
+
+    /* At the very beginning of every method, a call to
+     *   Tracker.CallSite() is injected.
+     */
+
+    private static native void nativeCallSite(Object thr, int cnum, int mnum);
+
+    public static void CallSite(int cnum, int mnum)
+    {
+        if ( engaged != 0 ) {
+            if (cnum < 0) {
+                throw new IllegalArgumentException("Negative class index");
+            }
+
+            if (mnum < 0) {
+                throw new IllegalArgumentException("Negative method index");
+            }
+
+            nativeCallSite(Thread.currentThread(), cnum, mnum);
+        }
+    }
+
+    /* Before any of the return bytecodes, a call to
+     *   Tracker.ReturnSite() is injected.
+     */
+
+    private static native void nativeReturnSite(Object thr, int cnum, int mnum);
+
+    public static void ReturnSite(int cnum, int mnum)
+    {
+        if ( engaged != 0 ) {
+            if (cnum < 0) {
+                throw new IllegalArgumentException("Negative class index");
+            }
+
+            if (mnum < 0) {
+                throw new IllegalArgumentException("Negative method index");
+            }
+
+            nativeReturnSite(Thread.currentThread(), cnum, mnum);
+        }
+    }
+
+}