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 */ 23 24 /* 25 * @test CdsSameObjectAlignment 26 * @summary Testing CDS (class data sharing) using varying object alignment. 27 * Using same object alignment for each dump/load pair 28 * @library /testlibrary 29 * @modules java.base/jdk.internal.misc 30 * java.management 31 */ 32 33 import jdk.test.lib.*; 34 35 public class CdsSameObjectAlignment { 36 public static void main(String[] args) throws Exception { 37 String nativeWordSize = System.getProperty("sun.arch.data.model"); 38 if (!Platform.is64bit()) { 39 System.out.println("ObjectAlignmentInBytes for CDS is only " + 40 "supported on 64bit platforms; this plaform is " + 41 nativeWordSize); 42 System.out.println("Skipping the test"); 43 } else { 44 dumpAndLoadSharedArchive(8); 45 dumpAndLoadSharedArchive(16); 46 dumpAndLoadSharedArchive(32); 47 dumpAndLoadSharedArchive(64); 48 } 49 } 50 51 private static void 52 dumpAndLoadSharedArchive(int objectAlignmentInBytes) throws Exception { 53 String objectAlignmentArg = "-XX:ObjectAlignmentInBytes=" | 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 */ 23 24 /* 25 * @test CdsSameObjectAlignment 26 * @summary Testing CDS (class data sharing) using varying object alignment. 27 * Using same object alignment for each dump/load pair 28 * @library /test/lib 29 * @modules java.base/jdk.internal.misc 30 * java.management 31 */ 32 33 import jdk.test.lib.process.ProcessTools; 34 import jdk.test.lib.process.OutputAnalyzer; 35 import jdk.test.lib.Platform; 36 37 public class CdsSameObjectAlignment { 38 public static void main(String[] args) throws Exception { 39 String nativeWordSize = System.getProperty("sun.arch.data.model"); 40 if (!Platform.is64bit()) { 41 System.out.println("ObjectAlignmentInBytes for CDS is only " + 42 "supported on 64bit platforms; this plaform is " + 43 nativeWordSize); 44 System.out.println("Skipping the test"); 45 } else { 46 dumpAndLoadSharedArchive(8); 47 dumpAndLoadSharedArchive(16); 48 dumpAndLoadSharedArchive(32); 49 dumpAndLoadSharedArchive(64); 50 } 51 } 52 53 private static void 54 dumpAndLoadSharedArchive(int objectAlignmentInBytes) throws Exception { 55 String objectAlignmentArg = "-XX:ObjectAlignmentInBytes=" |