author | alanb |
Fri, 07 Apr 2017 08:04:46 +0000 | |
changeset 44520 | 0553e129e0ec |
parent 42574 | 25ff9171b28b |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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// This is the Java representation of the below jasm code. The test tries |
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// to create a sub-type of jdk.internal.reflect.MethodAccessorImpl in order |
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// to bypass Reflection.getCallerClass. That should fail with an IAE. |
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// |
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class fakeMethodAccessor extends jdk.internal.reflect.MethodAccessorImpl { |
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public static void main(String[] a) throws Exception { |
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fakeMethodAccessor f = new fakeMethodAccessor(); |
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System.out.println(String.class.getModule() |
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.isExported("jdk.internal.misc", fakeMethodAccessor.class.getModule())); |
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} |
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} |
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*/ |
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super class fakeMethodAccessor |
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extends jdk/internal/reflect/MethodAccessorImpl |
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version 53:0 |
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{ |
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Method "<init>":"()V" |
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stack 1 locals 1 |
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{ |
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aload_0; |
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invokespecial Method jdk/internal/reflect/MethodAccessorImpl."<init>":"()V"; |
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return; |
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} |
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public static Method main:"([Ljava/lang/String;)V" |
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throws java/lang/Exception |
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stack 4 locals 2 |
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{ |
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new class FakeMethodAccessor; |
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dup; |
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invokespecial Method "<init>":"()V"; |
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astore_1; |
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getstatic Field java/lang/System.out:"Ljava/io/PrintStream;"; |
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ldc class java/lang/String; |
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invokevirtual Method java/lang/Class.getModule:"()Ljava/lang/Module;"; |
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ldc String "jdk.internal.misc"; |
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ldc class FakeMethodAccessor; |
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invokevirtual Method java/lang/Class.getModule:"()Ljava/lang/Module;"; |
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invokevirtual Method java/lang/Module.isExported:"(Ljava/lang/String;Ljava/lang/Module;)Z"; |
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invokevirtual Method java/io/PrintStream.println:"(Z)V"; |
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return; |
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} |
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} // end Class FakeMethodAccessor |