mgerdin@6078: /*
mgerdin@6078:  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
mgerdin@6078:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
mgerdin@6078:  *
mgerdin@6078:  * This code is free software; you can redistribute it and/or modify it
mgerdin@6078:  * under the terms of the GNU General Public License version 2 only, as
mgerdin@6078:  * published by the Free Software Foundation.
mgerdin@6078:  *
mgerdin@6078:  * This code is distributed in the hope that it will be useful, but WITHOUT
mgerdin@6078:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
mgerdin@6078:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
mgerdin@6078:  * version 2 for more details (a copy is included in the LICENSE file that
mgerdin@6078:  * accompanied this code).
mgerdin@6078:  *
mgerdin@6078:  * You should have received a copy of the GNU General Public License version
mgerdin@6078:  * 2 along with this work; if not, write to the Free Software Foundation,
mgerdin@6078:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
mgerdin@6078:  *
mgerdin@6078:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
mgerdin@6078:  * or visit www.oracle.com if you need additional information or have any
mgerdin@6078:  * questions.
mgerdin@6078:  */
mgerdin@6078: 
mgerdin@6078: /*
hseigel@6133:  * @ignore 8028398
mgerdin@6078:  * @test
mgerdin@6078:  * @summary Test that touching noaccess area in class ReservedHeapSpace results in SIGSEGV/ACCESS_VIOLATION
mgerdin@6078:  * @library /testlibrary /testlibrary/whitebox
mgerdin@6078:  * @build ReadFromNoaccessArea
mgerdin@6078:  * @run main ClassFileInstaller sun.hotspot.WhiteBox
mgerdin@6078:  * @run main ReadFromNoaccessArea
mgerdin@6078:  */
mgerdin@6078: 
mgerdin@6078: import com.oracle.java.testlibrary.*;
mgerdin@6078: import sun.hotspot.WhiteBox;
mgerdin@6078: 
mgerdin@6078: public class ReadFromNoaccessArea {
mgerdin@6078: 
mgerdin@6078:   public static void main(String args[]) throws Exception {
mgerdin@6078:     if (!Platform.is64bit()) {
mgerdin@6078:       System.out.println("ReadFromNoaccessArea tests is useful only on 64bit architecture. Passing silently.");
mgerdin@6078:       return;
mgerdin@6078:     }
mgerdin@6078: 
mgerdin@6078:     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
mgerdin@6078:           "-Xbootclasspath/a:.",
mgerdin@6078:           "-XX:+UnlockDiagnosticVMOptions",
mgerdin@6078:           "-XX:+WhiteBoxAPI",
mgerdin@6078:           "-XX:+UseCompressedOops",
mgerdin@6078:           "-XX:HeapBaseMinAddress=33G",
mgerdin@6078:           DummyClassWithMainTryingToReadFromNoaccessArea.class.getName());
mgerdin@6078: 
mgerdin@6078:     OutputAnalyzer output = new OutputAnalyzer(pb.start());
mgerdin@6078:     System.out.println("******* Printing stdout for analysis in case of failure *******");
mgerdin@6078:     System.out.println(output.getStdout());
mgerdin@6078:     System.out.println("******* Printing stderr for analysis in case of failure *******");
mgerdin@6078:     System.out.println(output.getStderr());
mgerdin@6078:     System.out.println("***************************************************************");
mgerdin@6078:     if (output.getStdout() != null && output.getStdout().contains("WB_ReadFromNoaccessArea method is useless")) {
mgerdin@6078:       // Test conditions broken. There is no protected page in ReservedHeapSpace in these circumstances. Silently passing test.
mgerdin@6078:       return;
mgerdin@6078:     }
mgerdin@6078:     if (Platform.isWindows()) {
mgerdin@6078:       output.shouldContain("EXCEPTION_ACCESS_VIOLATION");
mgerdin@6078:     } else if (Platform.isOSX()) {
mgerdin@6078:       output.shouldContain("SIGBUS");
mgerdin@6078:     } else {
mgerdin@6078:       output.shouldContain("SIGSEGV");
mgerdin@6078:     }
mgerdin@6078:   }
mgerdin@6078: 
mgerdin@6078:   public static class DummyClassWithMainTryingToReadFromNoaccessArea {
mgerdin@6078: 
mgerdin@6078:     // This method calls whitebox method reading from noaccess area
mgerdin@6078:     public static void main(String args[]) throws Exception {
mgerdin@6078:       WhiteBox.getWhiteBox().readFromNoaccessArea();
mgerdin@6078:       throw new Exception("Call of readFromNoaccessArea succeeded! This is wrong. Crash expected. Test failed.");
mgerdin@6078:     }
mgerdin@6078:   }
mgerdin@6078: 
mgerdin@6078: }