| /* |
| * Copyright (c) 2013, 2016, 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 8026365 |
| * @summary Test invokespecial of host class method from an anonymous class |
| * @author Robert Field |
| * @library /test/lib |
| * @modules java.base/jdk.internal.org.objectweb.asm |
| * java.base/jdk.internal.misc |
| * @compile -XDignore.symbol.file InvokeSpecialAnonTest.java |
| * @run main ClassFileInstaller InvokeSpecialAnonTest AnonTester |
| * @run main/othervm -Xbootclasspath/a:. -Xverify:all InvokeSpecialAnonTest |
| */ |
| import jdk.internal.org.objectweb.asm.*; |
| import java.lang.reflect.Constructor; |
| import jdk.internal.misc.Unsafe; |
| |
| public class InvokeSpecialAnonTest implements Opcodes { |
| |
| static byte[] anonClassBytes() throws Exception { |
| ClassWriter cw = new ClassWriter(0); |
| MethodVisitor mv; |
| |
| cw.visit(V1_8, ACC_FINAL + ACC_SUPER, "Anon", null, "java/lang/Object", null); |
| |
| { |
| mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null); |
| mv.visitCode(); |
| mv.visitVarInsn(ALOAD, 0); |
| mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V"); |
| mv.visitInsn(RETURN); |
| mv.visitMaxs(2, 2); |
| mv.visitEnd(); |
| } |
| { |
| mv = cw.visitMethod(ACC_PUBLIC, "m", "(LInvokeSpecialAnonTest;)I", null, null); |
| mv.visitCode(); |
| mv.visitVarInsn(ALOAD, 0); |
| mv.visitVarInsn(ALOAD, 1); |
| mv.visitMethodInsn(INVOKESPECIAL, "InvokeSpecialAnonTest", "privMethod", "()I"); |
| mv.visitInsn(IRETURN); |
| mv.visitMaxs(2, 3); |
| mv.visitEnd(); |
| } |
| cw.visitEnd(); |
| |
| return cw.toByteArray(); |
| } |
| |
| private int privMethod() { return 1234; } |
| |
| public static void main(String[] args) throws Exception { |
| Class<?> klass = InvokeSpecialAnonTest.class; |
| try { |
| Class<?> result = AnonTester.defineTest(klass, anonClassBytes()); |
| System.out.println("Passed."); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| throw e; |
| } |
| } |
| } |
| |
| |
| class AnonTester { |
| private static final Unsafe UNSAFE = Unsafe.getUnsafe(); |
| |
| public static Class<?> defineTest(Class<?> targetClass, byte[] classBytes) throws Exception { |
| return UNSAFE.defineAnonymousClass(targetClass, classBytes, null); |
| } |
| } |