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 compiler.jvmci.common;
  25 
  26 import java.lang.reflect.Field;
  27 import java.lang.reflect.Executable;
  28 import java.lang.reflect.Constructor;
  29 import java.lang.reflect.Method;

  30 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  31 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl;
  32 
  33 public class CTVMUtilities {
  34     /*
  35      * A method to return HotSpotResolvedJavaMethod object using class object
  36      * and method as input
  37      */
  38     public static HotSpotResolvedJavaMethodImpl getResolvedMethod(Class<?> cls,
  39             Executable method) {
  40         if (!(method instanceof Method || method instanceof Constructor)) {
  41             throw new Error("wrong executable type " + method.getClass());
  42         }
  43         Field slotField;
  44         int slot;
  45         try {
  46             slotField = method.getClass().getDeclaredField("slot");
  47             boolean old = slotField.isAccessible();
  48             slotField.setAccessible(true);
  49             slot = slotField.getInt(method);
  50             slotField.setAccessible(old);
  51         } catch (ReflectiveOperationException e) {
  52             throw new Error("TEST BUG: Can't get slot field", e);
  53         }
  54         return CompilerToVMHelper.getResolvedJavaMethodAtSlot(cls, slot);
  55     }
  56 
  57     public static HotSpotResolvedJavaMethodImpl getResolvedMethod(
  58             Executable method) {
  59         return getResolvedMethod(method.getDeclaringClass(), method);
  60     }












  61 }

  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 compiler.jvmci.common;
  25 
  26 import java.lang.reflect.Field;
  27 import java.lang.reflect.Executable;
  28 import java.lang.reflect.Constructor;
  29 import java.lang.reflect.Method;
  30 import jdk.vm.ci.code.InstalledCode;
  31 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  32 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
  33 
  34 public class CTVMUtilities {
  35     /*
  36      * A method to return HotSpotResolvedJavaMethod object using class object
  37      * and method as input
  38      */
  39     public static HotSpotResolvedJavaMethod getResolvedMethod(Class<?> cls,
  40             Executable method) {
  41         if (!(method instanceof Method || method instanceof Constructor)) {
  42             throw new Error("wrong executable type " + method.getClass());
  43         }
  44         Field slotField;
  45         int slot;
  46         try {
  47             slotField = method.getClass().getDeclaredField("slot");
  48             boolean old = slotField.isAccessible();
  49             slotField.setAccessible(true);
  50             slot = slotField.getInt(method);
  51             slotField.setAccessible(old);
  52         } catch (ReflectiveOperationException e) {
  53             throw new Error("TEST BUG: Can't get slot field", e);
  54         }
  55         return CompilerToVMHelper.getResolvedJavaMethodAtSlot(cls, slot);
  56     }
  57 
  58     public static HotSpotResolvedJavaMethod getResolvedMethod(
  59             Executable method) {
  60         return getResolvedMethod(method.getDeclaringClass(), method);
  61     }
  62 
  63     public static InstalledCode getInstalledCode(String name, long address,
  64             long entryPoint) {
  65         return new InstalledCodeStub(name, address, entryPoint);
  66     }
  67     private static class InstalledCodeStub extends InstalledCode {
  68         private InstalledCodeStub(String name, long address, long entryPoint) {
  69             super(name);
  70             this.address = address;
  71             this.entryPoint = entryPoint;
  72         }
  73     }
  74 }