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test/hotspot/jtreg/runtime/CompressedOops/CompressedClassPointers.java

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rev 59076 : [mq]: 8243945


  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  */
  23 
  24 /*
  25  * @test
  26  * @bug 8024927
  27  * @summary Testing address of compressed class pointer space as best as possible.
  28  * @requires vm.bits == 64 & vm.opt.final.UseCompressedOops == true & os.family != "windows"
  29  * @library /test/lib
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  * @run main CompressedClassPointers
  33  */
  34 
  35 import jdk.test.lib.Platform;
  36 import jdk.test.lib.process.ProcessTools;
  37 import jdk.test.lib.process.OutputAnalyzer;
  38 import jtreg.SkippedException;
  39 
  40 public class CompressedClassPointers {
  41 
  42     public static void smallHeapTest() throws Exception {
  43         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  44             "-XX:+UnlockDiagnosticVMOptions",
  45             "-XX:SharedBaseAddress=8g",
  46             "-Xmx128m",
  47             "-Xlog:gc+metaspace=trace",
  48             "-Xshare:off",
  49             "-Xlog:cds=trace",
  50             "-XX:+VerifyBeforeGC", "-version");
  51         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  52         output.shouldContain("Narrow klass base: 0x0000000000000000");




  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  */
  23 
  24 /*
  25  * @test
  26  * @bug 8024927
  27  * @summary Testing address of compressed class pointer space as best as possible.
  28  * @requires vm.bits == 64 & vm.opt.final.UseCompressedOops == true & os.family != "windows"
  29  * @library /test/lib
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  * @run driver CompressedClassPointers
  33  */
  34 
  35 import jdk.test.lib.Platform;
  36 import jdk.test.lib.process.ProcessTools;
  37 import jdk.test.lib.process.OutputAnalyzer;
  38 import jtreg.SkippedException;
  39 
  40 public class CompressedClassPointers {
  41 
  42     public static void smallHeapTest() throws Exception {
  43         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  44             "-XX:+UnlockDiagnosticVMOptions",
  45             "-XX:SharedBaseAddress=8g",
  46             "-Xmx128m",
  47             "-Xlog:gc+metaspace=trace",
  48             "-Xshare:off",
  49             "-Xlog:cds=trace",
  50             "-XX:+VerifyBeforeGC", "-version");
  51         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  52         output.shouldContain("Narrow klass base: 0x0000000000000000");


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