1 /* 2 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8026365 27 * @summary Test invokespecial of host class method from an anonymous class 28 * @author Robert Field 29 * @library /test/lib 30 * @modules java.base/jdk.internal.org.objectweb.asm 31 * java.base/jdk.internal.misc 32 * @compile -XDignore.symbol.file InvokeSpecialAnonTest.java 33 * @run main ClassFileInstaller InvokeSpecialAnonTest AnonTester 34 * @run main/othervm -Xbootclasspath/a:. -Xverify:all InvokeSpecialAnonTest 35 */ 36 import jdk.internal.org.objectweb.asm.*; 37 import java.lang.reflect.Constructor; 38 import jdk.internal.misc.Unsafe; 39 40 public class InvokeSpecialAnonTest implements Opcodes { 41 42 static byte[] anonClassBytes() throws Exception { 43 ClassWriter cw = new ClassWriter(0); 44 MethodVisitor mv; 45 46 cw.visit(V1_8, ACC_FINAL + ACC_SUPER, "Anon", null, "java/lang/Object", null); 47 48 { 49 mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null); 50 mv.visitCode(); 51 mv.visitVarInsn(ALOAD, 0); 52 mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V"); 53 mv.visitInsn(RETURN); 54 mv.visitMaxs(2, 2); 55 mv.visitEnd(); 56 } 57 { 58 mv = cw.visitMethod(ACC_PUBLIC, "m", "(LInvokeSpecialAnonTest;)I", null, null); 59 mv.visitCode(); 60 mv.visitVarInsn(ALOAD, 0); 61 mv.visitVarInsn(ALOAD, 1); 62 mv.visitMethodInsn(INVOKESPECIAL, "InvokeSpecialAnonTest", "privMethod", "()I"); 63 mv.visitInsn(IRETURN); 64 mv.visitMaxs(2, 3); 65 mv.visitEnd(); 66 } 67 cw.visitEnd(); 68 69 return cw.toByteArray(); 70 } 71 72 private int privMethod() { return 1234; } 73 74 public static void main(String[] args) throws Exception { 75 Class<?> klass = InvokeSpecialAnonTest.class; 76 try { 77 Class<?> result = AnonTester.defineTest(klass, anonClassBytes()); 78 System.out.println("Passed."); 79 } catch (Exception e) { 80 e.printStackTrace(); 81 throw e; 82 } 83 } 84 } 85 86 87 class AnonTester { 88 private static final Unsafe UNSAFE = Unsafe.getUnsafe(); 89 90 public static Class<?> defineTest(Class<?> targetClass, byte[] classBytes) throws Exception { 91 return UNSAFE.defineAnonymousClass(targetClass, classBytes, null); 92 } 93 }