rev 52360 : 8212605: Pure-Java implementation of AccessController.doPrivileged
rev 52361 : [mq]: webrev.2.incr

   1 /*
   2  * Copyright (c) 2017, 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  * @summary Test that JVM_DoPrivilege throws java.lang.AbstractMethodError for an
  27  *          abstract run() method.
  28  * @bug 8183962
  29  * @compile DoPrivRunAbstract.jasm
  30  * @compile DoPrivRunAbstract$VoidPrivActRunAbstract.jasm
  31  * @run main DoPrivRunAbstract
  32  */
  33 
  34 
  35 // This jasm file was generated from Java code similar to the following, except
  36 // the VoidPrivActRunAbstract interface was removed and changed.  It's now in
  37 // file DoPrivRunAbstract$VoidPrivActRunAbstract.jasm.
  38 //
  39 // public class DoPrivRunAbstract {
  40 //
  41 //    interface VoidPrivActRunAbstract extends PrivilegedAction<Void> {
  42 //        void perform();
  43 //
  44 //        @Override
  45 //        default Void run() {
  46 //            perform();
  47 //            return null;
  48 //        }
  49 //    }
  50 //
  51 //
  52 //    static void doPrivileged(VoidPrivActRunAbstract act) {
  53 //        AccessController.doPrivileged(act);
  54 //    }
  55 //
  56 //    public static void main(String[] args) throws Exception {
  57 //        try {
  58 //            doPrivileged(() -> System.out.println(System.getProperty("java.home")));
  59 //            throw new RuntimeException("Expected AbstractMethodError not throw");
  60 //        } catch (java.lang.AbstractMethodError e) { }
  61 //    }
  62 //}
  63 
  64 super public class DoPrivRunAbstract version 51:0 {
  65 
  66     public Method "<init>":"()V" stack 1 locals 1 {
  67         aload_0;
  68         invokespecial    Method java/lang/Object."<init>":"()V";
  69         return;
  70     }
  71 
  72     static Method doPrivileged:"(LDoPrivRunAbstract$VoidPrivActRunAbstract;)V" stack 1 locals 1 {
  73         aload_0;
  74         invokestatic    Method java/security/AccessController.doPrivileged:"(Ljava/security/PrivilegedAction;)Ljava/lang/Object;";
  75         pop;
  76         return;
  77     }
  78 
  79     public static Method main:"([Ljava/lang/String;)V" throws java/lang/Exception stack 3 locals 2 {
  80         try t0;
  81         invokedynamic    InvokeDynamic REF_invokeStatic:java/lang/invoke/LambdaMetafactory.metafactory:"(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;":perform:"()LDoPrivRunAbstract$VoidPrivActRunAbstract;" MethodType "()V", MethodHandle REF_invokeStatic:DoPrivRunAbstract.lambda$main$0:"()V", MethodType "()V";
  82         invokestatic    Method doPrivileged:"(LDoPrivRunAbstract$VoidPrivActRunAbstract;)V";
  83         new    class java/lang/RuntimeException;
  84         dup;
  85         ldc    String "Expected AbstractMethodError not throw";
  86         invokespecial    Method java/lang/RuntimeException."<init>":"(Ljava/lang/String;)V";
  87         athrow;
  88         endtry t0;
  89         catch t0 java/lang/AbstractMethodError;
  90         stack_frame_type stack1;
  91         stack_map class java/lang/AbstractMethodError;
  92         astore_1;
  93         return;
  94     }
  95 
  96     private static synthetic Method lambda$main$0:"()V" stack 2 locals 0 {
  97         getstatic    Field java/lang/System.out:"Ljava/io/PrintStream;";
  98         ldc    String "java.home";
  99         invokestatic    Method java/lang/System.getProperty:"(Ljava/lang/String;)Ljava/lang/String;";
 100         invokevirtual    Method java/io/PrintStream.println:"(Ljava/lang/String;)V";
 101         return;
 102     }
 103 
 104 } // end Class DoPrivRunAbstract
--- EOF ---