test/hotspot/jtreg/runtime/appcds/javaldr/AnonVmClassesDuringDumpTransformer.java
--- a/test/hotspot/jtreg/runtime/appcds/javaldr/AnonVmClassesDuringDumpTransformer.java Mon Jul 29 18:31:18 2019 -0400
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,67 +0,0 @@
-/*
- * Copyright (c) 2018, 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.ClassFileTransformer;
-import java.lang.instrument.Instrumentation;
-import java.lang.instrument.IllegalClassFormatException;
-import java.security.ProtectionDomain;
-
-public class AnonVmClassesDuringDumpTransformer implements ClassFileTransformer {
- public byte[] transform(ClassLoader loader, String name, Class<?> classBeingRedefined,
- ProtectionDomain pd, byte[] buffer) throws IllegalClassFormatException {
- return null;
- }
-
- private static Instrumentation savedInstrumentation;
-
- public static void premain(String agentArguments, Instrumentation instrumentation) {
- System.out.println("ClassFileTransformer.premain() is called");
- instrumentation.addTransformer(new AnonVmClassesDuringDumpTransformer(), /*canRetransform=*/true);
- savedInstrumentation = instrumentation;
-
- // This will create a Lambda, which will result in some Anonymous VM Classes
- // being generated.
- //
- // Look for something like these in the STDOUT:
- // ----------------
- // ClassFileTransformer.premain() is called
- // Dumping class files to DUMP_CLASS_FILES/...
- // dump: DUMP_CLASS_FILES/java/lang/invoke/LambdaForm$MH000.class
- // dump: DUMP_CLASS_FILES/java/lang/invoke/LambdaForm$MH001.class
- // Invoked inside a Lambda
- // ----------------
- Runnable r = () -> {
- System.out.println("Invoked inside a Lambda");
- };
- r.run();
- }
-
- public static Instrumentation getInstrumentation() {
- return savedInstrumentation;
- }
-
- public static void agentmain(String args, Instrumentation inst) throws Exception {
- premain(args, inst);
- }
-}