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 touching noaccess area in class ReservedHeapSpace results in SIGSEGV/ACCESS_VIOLATION
  27  * @library /test/lib
  28  * @requires vm.bits == 64
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  * @build sun.hotspot.WhiteBox
  32  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  33  * @run main ReadFromNoaccessArea
  34  */
  35 
  36 import jdk.test.lib.Platform;
  37 import jdk.test.lib.process.ProcessTools;
  38 import jdk.test.lib.process.OutputAnalyzer;
  39 import sun.hotspot.WhiteBox;
  40 import jtreg.SkippedException;
  41 
  42 public class ReadFromNoaccessArea {
  43 
  44   public static void main(String args[]) throws Exception {
  45 
  46     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  47           "-Xbootclasspath/a:.",
  48           "-XX:+UnlockDiagnosticVMOptions",
  49           "-XX:+WhiteBoxAPI",
  50           "-XX:+UseCompressedOops",
  51           "-XX:HeapBaseMinAddress=33G",
  52           "-XX:-CreateCoredumpOnCrash",
  53           "-Xmx128m",

  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 touching noaccess area in class ReservedHeapSpace results in SIGSEGV/ACCESS_VIOLATION
  27  * @library /test/lib
  28  * @requires vm.bits == 64
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  * @build sun.hotspot.WhiteBox
  32  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  33  * @run driver ReadFromNoaccessArea
  34  */
  35 
  36 import jdk.test.lib.Platform;
  37 import jdk.test.lib.process.ProcessTools;
  38 import jdk.test.lib.process.OutputAnalyzer;
  39 import sun.hotspot.WhiteBox;
  40 import jtreg.SkippedException;
  41 
  42 public class ReadFromNoaccessArea {
  43 
  44   public static void main(String args[]) throws Exception {
  45 
  46     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  47           "-Xbootclasspath/a:.",
  48           "-XX:+UnlockDiagnosticVMOptions",
  49           "-XX:+WhiteBoxAPI",
  50           "-XX:+UseCompressedOops",
  51           "-XX:HeapBaseMinAddress=33G",
  52           "-XX:-CreateCoredumpOnCrash",
  53           "-Xmx128m",