/* * Copyright (c) 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. */ /* // This is the Java representation of the below jasm code. The test tries // to create a sub-type of jdk.internal.reflect.MethodAccessorImpl in order // to bypass Reflection.getCallerClass. That should fail with an IAE. // import java.lang.reflect.Module; class fakeMethodAccessor extends jdk.internal.reflect.MethodAccessorImpl { public static void main(String[] a) throws Exception { fakeMethodAccessor f = new fakeMethodAccessor(); System.out.println(String.class.getModule() .isExported("jdk.internal.misc", fakeMethodAccessor.class.getModule())); } } */ super class fakeMethodAccessor extends jdk/internal/reflect/MethodAccessorImpl version 53:0 { Method "":"()V" stack 1 locals 1 { aload_0; invokespecial Method jdk/internal/reflect/MethodAccessorImpl."":"()V"; return; } public static Method main:"([Ljava/lang/String;)V" throws java/lang/Exception stack 4 locals 2 { new class FakeMethodAccessor; dup; invokespecial Method "":"()V"; astore_1; getstatic Field java/lang/System.out:"Ljava/io/PrintStream;"; ldc class java/lang/String; invokevirtual Method java/lang/Class.getModule:"()Ljava/lang/reflect/Module;"; ldc String "jdk.internal.misc"; ldc class FakeMethodAccessor; invokevirtual Method java/lang/Class.getModule:"()Ljava/lang/reflect/Module;"; invokevirtual Method java/lang/reflect/Module.isExported:"(Ljava/lang/String;Ljava/lang/reflect/Module;)Z"; invokevirtual Method java/io/PrintStream.println:"(Z)V"; return; } } // end Class FakeMethodAccessor