jdk8-mips64-public/hotspot: test/runtime/memory/ReadFromNoaccessArea.java@9d8b29a0548c

8027237: New tests on ReservedSpace/VirtualSpace classes
Summary: Three tests added: 1) test stressing VirtualSpace by resizing it constantly 2) test running unit tests in several threads 3) test checking protected area in ReservedHeapSpace class
Reviewed-by: stefank, zgu
Contributed-by: aleksey.timofeev@oracle.com

     1 /*

     2  * Copyright (c) 2013, 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  */

    24 /*

    25  * @test

    26  * @summary Test that touching noaccess area in class ReservedHeapSpace results in SIGSEGV/ACCESS_VIOLATION

    27  * @library /testlibrary /testlibrary/whitebox

    28  * @build ReadFromNoaccessArea

    29  * @run main ClassFileInstaller sun.hotspot.WhiteBox

    30  * @run main ReadFromNoaccessArea

    31  */

    33 import com.oracle.java.testlibrary.*;

    34 import sun.hotspot.WhiteBox;

    36 public class ReadFromNoaccessArea {

    38   public static void main(String args[]) throws Exception {

    39     if (!Platform.is64bit()) {

    40       System.out.println("ReadFromNoaccessArea tests is useful only on 64bit architecture. Passing silently.");

    41       return;

    42     }

    44     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

    45           "-Xbootclasspath/a:.",

    46           "-XX:+UnlockDiagnosticVMOptions",

    47           "-XX:+WhiteBoxAPI",

    48           "-XX:+UseCompressedOops",

    49           "-XX:HeapBaseMinAddress=33G",

    50           DummyClassWithMainTryingToReadFromNoaccessArea.class.getName());

    52     OutputAnalyzer output = new OutputAnalyzer(pb.start());

    53     System.out.println("******* Printing stdout for analysis in case of failure *******");

    54     System.out.println(output.getStdout());

    55     System.out.println("******* Printing stderr for analysis in case of failure *******");

    56     System.out.println(output.getStderr());

    57     System.out.println("***************************************************************");

    58     if (output.getStdout() != null && output.getStdout().contains("WB_ReadFromNoaccessArea method is useless")) {

    59       // Test conditions broken. There is no protected page in ReservedHeapSpace in these circumstances. Silently passing test.

    60       return;

    61     }

    62     if (Platform.isWindows()) {

    63       output.shouldContain("EXCEPTION_ACCESS_VIOLATION");

    64     } else if (Platform.isOSX()) {

    65       output.shouldContain("SIGBUS");

    66     } else {

    67       output.shouldContain("SIGSEGV");

    68     }

    69   }

    71   public static class DummyClassWithMainTryingToReadFromNoaccessArea {

    73     // This method calls whitebox method reading from noaccess area

    74     public static void main(String args[]) throws Exception {

    75       WhiteBox.getWhiteBox().readFromNoaccessArea();

    76       throw new Exception("Call of readFromNoaccessArea succeeded! This is wrong. Crash expected. Test failed.");

    77     }

    78   }

    80 }

Mercurial > jdk8-mips64-public > hotspot / file revision

test/runtime/memory/ReadFromNoaccessArea.java@9d8b29a0548c

test/runtime/memory/ReadFromNoaccessArea.java