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  */
  23 
  24 package jdk.vm.ci.hotspot.test;
  25 




  26 import jdk.internal.misc.Unsafe;
  27 import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider;
  28 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider;
  29 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
  30 import jdk.vm.ci.hotspot.HotSpotVMConfigAccess;
  31 import jdk.vm.ci.meta.Constant;
  32 import jdk.vm.ci.meta.JavaConstant;
  33 import jdk.vm.ci.meta.JavaKind;
  34 import jdk.vm.ci.runtime.JVMCI;
  35 import org.testng.annotations.DataProvider;
  36 
  37 import java.lang.reflect.Field;
  38 
  39 public class MemoryAccessProviderData {
  40     private static final Unsafe UNSAFE = getUnsafe();
  41     private static final HotSpotConstantReflectionProvider CONSTANT_REFLECTION = (HotSpotConstantReflectionProvider) JVMCI.getRuntime().getHostJVMCIBackend().getConstantReflection();
  42     private static final TestClass TEST_OBJECT = new TestClass();
  43     private static final JavaConstant TEST_CONSTANT = CONSTANT_REFLECTION.forObject(TEST_OBJECT);
  44     private static final JavaConstant TEST_CLASS_CONSTANT = CONSTANT_REFLECTION.forObject(TestClass.class);
  45 
  46     private static Unsafe getUnsafe() {
  47         try {
  48             Field f = Unsafe.class.getDeclaredField("theUnsafe");
  49             f.setAccessible(true);
  50             return (Unsafe) f.get(null);
  51         } catch (NoSuchFieldException | IllegalAccessException e) {
  52             throw new RuntimeException("Unable to get Unsafe instance.", e);
  53         }
  54     }
  55 
  56     @DataProvider(name = "positiveObject")
  57     public static Object[][] getPositiveObjectJavaKind() {
  58         HotSpotJVMCIRuntimeProvider runtime = (HotSpotJVMCIRuntimeProvider) JVMCI.getRuntime();
  59         int offset = new HotSpotVMConfigAccess(runtime.getConfigStore()).getFieldOffset("Klass::_java_mirror", Integer.class, "oop");
  60         Constant wrappedKlassPointer = ((HotSpotResolvedObjectType) runtime.fromClass(TestClass.class)).klass();
  61         return new Object[][]{new Object[]{JavaKind.Object, wrappedKlassPointer, (long) offset, TEST_CLASS_CONSTANT, 0}};
  62     }
  63 
  64     @DataProvider(name = "positivePrimitive")
  65     public static Object[][] getPositivePrimitiveJavaKinds() {
  66         Field booleanField;
  67         Field byteField;
  68         Field shortField;
  69         Field intField;
  70         Field longField;
  71         Field floatField;
  72         Field doubleField;
  73         Field charField;
  74         try {
  75             booleanField = MemoryAccessProviderData.TestClass.class.getDeclaredField("booleanField");

   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  */
  23 
  24 package jdk.vm.ci.hotspot.test;
  25 
  26 import java.lang.reflect.Field;
  27 
  28 import org.testng.annotations.DataProvider;
  29 
  30 import jdk.internal.misc.Unsafe;
  31 import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider;
  32 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider;
  33 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
  34 import jdk.vm.ci.hotspot.HotSpotVMConfigAccess;
  35 import jdk.vm.ci.meta.Constant;
  36 import jdk.vm.ci.meta.JavaConstant;
  37 import jdk.vm.ci.meta.JavaKind;
  38 import jdk.vm.ci.runtime.JVMCI;



  39 
  40 public class MemoryAccessProviderData {
  41     private static final Unsafe UNSAFE = Unsafe.getUnsafe();
  42     private static final HotSpotConstantReflectionProvider CONSTANT_REFLECTION = (HotSpotConstantReflectionProvider) JVMCI.getRuntime().getHostJVMCIBackend().getConstantReflection();
  43     private static final TestClass TEST_OBJECT = new TestClass();
  44     private static final JavaConstant TEST_CONSTANT = CONSTANT_REFLECTION.forObject(TEST_OBJECT);
  45     private static final JavaConstant TEST_CLASS_CONSTANT = CONSTANT_REFLECTION.forObject(TestClass.class);
  46 










  47     @DataProvider(name = "positiveObject")
  48     public static Object[][] getPositiveObjectJavaKind() {
  49         HotSpotJVMCIRuntimeProvider runtime = (HotSpotJVMCIRuntimeProvider) JVMCI.getRuntime();
  50         int offset = new HotSpotVMConfigAccess(runtime.getConfigStore()).getFieldOffset("Klass::_java_mirror", Integer.class, "oop");
  51         Constant wrappedKlassPointer = ((HotSpotResolvedObjectType) runtime.fromClass(TestClass.class)).klass();
  52         return new Object[][]{new Object[]{JavaKind.Object, wrappedKlassPointer, (long) offset, TEST_CLASS_CONSTANT, 0}};
  53     }
  54 
  55     @DataProvider(name = "positivePrimitive")
  56     public static Object[][] getPositivePrimitiveJavaKinds() {
  57         Field booleanField;
  58         Field byteField;
  59         Field shortField;
  60         Field intField;
  61         Field longField;
  62         Field floatField;
  63         Field doubleField;
  64         Field charField;
  65         try {
  66             booleanField = MemoryAccessProviderData.TestClass.class.getDeclaredField("booleanField");