--- a/hotspot/test/runtime/RedefineFinalizer/Agent.java	Mon Jun 02 11:20:14 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,94 +0,0 @@
-/*
- * 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.
- */
-
-import java.lang.instrument.Instrumentation;
-import java.lang.instrument.ClassDefinition;
-
-import jdk.internal.org.objectweb.asm.ClassWriter;
-import jdk.internal.org.objectweb.asm.Label;
-import jdk.internal.org.objectweb.asm.MethodVisitor;
-import jdk.internal.org.objectweb.asm.Opcodes;
-
-public class Agent implements Opcodes {
-
-    private static byte[] makeNewMartyr() {
-        ClassWriter cw = new ClassWriter(0);
-        MethodVisitor mv;
-
-        cw.visit(V1_8, ACC_PUBLIC + ACC_SUPER, "Martyr", null, "java/lang/Object", null);
-        cw.visitSource(null, null);
-
-        {
-            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
-            mv.visitCode();
-            Label lab0 = new Label();
-            mv.visitLabel(lab0);
-            mv.visitLineNumber(1, lab0);
-            mv.visitVarInsn(ALOAD, 0);
-            mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
-            mv.visitInsn(RETURN);
-            mv.visitMaxs(1, 1);
-            mv.visitEnd();
-        }
-
-        {
-            mv = cw.visitMethod(ACC_PUBLIC, "getName", "()Ljava/lang/String;", null, null);
-            mv.visitCode();
-            Label lab0 = new Label();
-            mv.visitLabel(lab0);
-            mv.visitLineNumber(6, lab0);
-            mv.visitLdcInsn("Redefinition done");
-            mv.visitInsn(ARETURN);
-            mv.visitMaxs(1, 1);
-            mv.visitEnd();
-        }
-
-        {
-            mv = cw.visitMethod(ACC_PROTECTED, "finalize", "()V", null, null);
-            mv.visitCode();
-            Label lab0 = new Label();
-            mv.visitLabel(lab0);
-            mv.visitLineNumber(8, lab0);
-            mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
-            mv.visitLdcInsn("Finalizer called");
-            mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V");
-            mv.visitInsn(RETURN);
-            mv.visitMaxs(2, 1);
-            mv.visitEnd();
-        }
-
-        cw.visitEnd();
-        return cw.toByteArray();
-    }
-
-
-    public static void premain(String args, Instrumentation inst) throws Exception {
-        agentmain(args, inst);
-    }
-
-    public static void agentmain(String args, Instrumentation inst) throws Exception {
-        ClassDefinition martyrDef =
-              new ClassDefinition(Class.forName("Martyr"), makeNewMartyr());
-        inst.redefineClasses(martyrDef);
-    }
-}

--- a/hotspot/test/runtime/RedefineFinalizer/Main.java	Mon Jun 02 11:20:14 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,34 +0,0 @@
-/*
- * 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.
- */
-
-public class Main {
-    public static void main(String[] args) {
-      try {
-          MartyrSon m = new MartyrSon();
-          System.out.println(m.getName());
-          System.runFinalization();
-      } catch (Throwable e) {
-          e.printStackTrace();
-      }
-    }
-}

--- a/hotspot/test/runtime/RedefineFinalizer/Martyr.java	Mon Jun 02 11:20:14 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,33 +0,0 @@
-/*
- * 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.
- */
-
-public class Martyr {
-    public String getName() {
-        return "Redefinition NOT done";
-    }
-
-    protected void finalize() {
-      // should be empty
-    }
-
-}

--- a/hotspot/test/runtime/RedefineFinalizer/MartyrSon.java	Mon Jun 02 11:20:14 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,28 +0,0 @@
-/*
- * 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.
- */
-
-class MartyrSon extends Martyr {
-    public String getName() {
-      return super.getName();
-    }
-}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/RedefineFinalizer/RedefineFinalizer.java	Mon Jun 02 19:08:18 2014 +0200
@@ -0,0 +1,64 @@
+/*
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 6904403
+ * @summary Don't assert if we redefine finalize method
+ * @library /testlibrary
+ * @build RedefineClassHelper
+ * @run main RedefineClassHelper
+ * @run main/othervm -javaagent:redefineagent.jar RedefineFinalizer
+ */
+
+/*
+ * Regression test for hitting:
+ *
+ * assert(f == k->has_finalizer()) failed: inconsistent has_finalizer
+ *
+ * when redefining finalizer method
+ */
+public class RedefineFinalizer {
+
+    public static String newB =
+                "class RedefineFinalizer$B {" +
+                "   protected void finalize() { " +
+                "       System.out.println(\"Finalizer called\");" +
+                "   }" +
+                "}";
+
+    public static void main(String[] args) throws Exception {
+        RedefineClassHelper.redefineClass(B.class, newB);
+
+        A a = new A();
+    }
+
+    static class A extends B {
+    }
+
+    static class B {
+        protected void finalize() {
+            // should be empty
+        }
+    }
+}

--- a/hotspot/test/runtime/RedefineFinalizer/manifest.mf	Mon Jun 02 11:20:14 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,5 +0,0 @@
-Main-Class: Main
-Agent-Class: Agent
-Can-Redefine-Classes: true
-Can-Retransform-Classes: true
-Premain-Class: Agent

--- a/hotspot/test/runtime/RedefineFinalizer/testme.sh	Mon Jun 02 11:20:14 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,49 +0,0 @@
-#!/bin/sh
-
-# 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.
-
-
-# @test
-# @bug 6904403
-# @summary Don't assert if we redefine finalize method
-# @run shell testme.sh
-
-# This test shouldn't provoke and assert(f == k->has_finalizer()) failed: inconsistent has_finalizer
-
-. ${TESTSRC}/../../test_env.sh
-
-JAVAC=${COMPILEJAVA}${FS}bin${FS}javac
-JAR=${COMPILEJAVA}${FS}bin${FS}jar
-JAVA=${TESTJAVA}${FS}bin${FS}java
-
-TOOLS_JAR=${TESTJAVA}${FS}lib${FS}tools.jar
-
-cp ${TESTSRC}${FS}*.java .
-${JAVAC} -XDignore.symbol.file -classpath ${TOOLS_JAR} -sourcepath ${TESTSRC} *.java
-if [ $? -eq 1 ]
-  then
-    echo "Compilation failed"
-    exit
-fi
-
-${JAR} cvfm testcase.jar ${TESTSRC}/manifest.mf .
-${JAVA} -Xbootclasspath/a:${TOOLS_JAR} -javaagent:${PWD}/testcase.jar Main

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/testlibrary/RedefineClassHelper.java	Mon Jun 02 19:08:18 2014 +0200
@@ -0,0 +1,79 @@
+/*
+ * 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.
+ */
+
+import java.io.PrintWriter;
+import java.lang.instrument.*;
+import com.oracle.java.testlibrary.*;
+
+/*
+ * Helper class to write tests that redefine classes.
+ * When main method is run, it will create a redefineagent.jar that can be used
+ * with the -javaagent option to support redefining classes in jtreg tests.
+ *
+ * See sample test in test/testlibrary_tests/RedefineClassTest.java
+ */
+public class RedefineClassHelper {
+
+    public static Instrumentation instrumentation;
+    public static void premain(String agentArgs, Instrumentation inst) {
+        instrumentation = inst;
+    }
+
+    /**
+     * Redefine a class
+     *
+     * @param clazz Class to redefine
+     * @param javacode String with the new java code for the class to be redefined
+     */
+    public static void redefineClass(Class clazz, String javacode) throws Exception {
+        byte[] bytecode = InMemoryJavaCompiler.compile(clazz.getName(), javacode);
+        redefineClass(clazz, bytecode);
+    }
+
+    /**
+     * Redefine a class
+     *
+     * @param clazz Class to redefine
+     * @param bytecode byte[] with the new class
+     */
+    public static void redefineClass(Class clazz, byte[] bytecode) throws Exception {
+        instrumentation.redefineClasses(new ClassDefinition(clazz, bytecode));
+    }
+
+    /**
+     * Main method to be invoked before test to create the redefineagent.jar
+     */
+    public static void main(String[] args) throws Exception {
+        ClassFileInstaller.main("RedefineClassHelper");
+
+        PrintWriter pw = new PrintWriter("MANIFEST.MF");
+        pw.println("Premain-Class: RedefineClassHelper");
+        pw.println("Can-Redefine-Classes: true");
+        pw.close();
+
+        sun.tools.jar.Main jarTool = new sun.tools.jar.Main(System.out, System.err, "jar");
+        if (!jarTool.run(new String[] { "-cmf", "MANIFEST.MF", "redefineagent.jar", "RedefineClassHelper.class" })) {
+            throw new Exception("jar operation failed");
+        }
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/testlibrary_tests/RedefineClassTest.java	Mon Jun 02 19:08:18 2014 +0200
@@ -0,0 +1,54 @@
+/*
+ * 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.
+ */
+
+/*
+ * @test
+ * @library /testlibrary
+ * @summary Proof of concept test for RedefineClassHelper
+ * @build RedefineClassHelper
+ * @run main RedefineClassHelper
+ * @run main/othervm -javaagent:redefineagent.jar RedefineClassTest
+ */
+
+import static com.oracle.java.testlibrary.Asserts.*;
+import com.oracle.java.testlibrary.*;
+
+/*
+ * Proof of concept test for the test utility class RedefineClassHelper
+ */
+public class RedefineClassTest {
+
+    public static String newClass = "class RedefineClassTest$A { public int Method() { return 2; } }";
+    public static void main(String[] args) throws Exception {
+        A a = new A();
+        assertTrue(a.Method() == 1);
+        RedefineClassHelper.redefineClass(A.class, newClass);
+        assertTrue(a.Method() == 2);
+    }
+
+    static class A {
+        public int Method() {
+            return 1;
+        }
+    }
+}