jdk8-mips64-public/hotspot: test/runtime/memory/ReserveMemory.java@190899198332

7195622: CheckUnhandledOops has limited usefulness now
Summary: Enable CHECK_UNHANDLED_OOPS in fastdebug builds across all supported platforms.
Reviewed-by: coleenp, hseigel, dholmes, stefank, twisti, ihse, rdurbin
Contributed-by: lois.foltan@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  * @key regression

    27  * @bug 8012015

    28  * @summary Make sure reserved (but uncommitted) memory is not accessible

    29  * @library /testlibrary /testlibrary/whitebox

    30  * @build ReserveMemory

    31  * @run main ClassFileInstaller sun.hotspot.WhiteBox

    32  * @run main ReserveMemory

    33  */

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

    37 import sun.hotspot.WhiteBox;

    39 public class ReserveMemory {

    40   private static boolean isWindows() {

    41     return System.getProperty("os.name").toLowerCase().startsWith("win");

    42   }

    44   private static boolean isOsx() {

    45     return System.getProperty("os.name").toLowerCase().startsWith("mac");

    46   }

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

    49     if (args.length > 0) {

    50       WhiteBox.getWhiteBox().readReservedMemory();

    52       throw new Exception("Read of reserved/uncommitted memory unexpectedly succeeded, expected crash!");

    53     }

    55     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

    56           "-Xbootclasspath/a:.",

    57           "-XX:+UnlockDiagnosticVMOptions",

    58           "-XX:+WhiteBoxAPI",

    59           "ReserveMemory",

    60           "test");

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

    63     if (isWindows()) {

    64       output.shouldContain("EXCEPTION_ACCESS_VIOLATION");

    65     } else if (isOsx()) {

    66       output.shouldContain("SIGBUS");

    67     } else {

    68       output.shouldContain("SIGSEGV");

    69     }

    70   }

    71 }

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

test/runtime/memory/ReserveMemory.java@190899198332

test/runtime/memory/ReserveMemory.java