11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.reflect;
27
28 import java.lang.reflect.Field;
29 import java.lang.reflect.Modifier;
30 import java.security.AccessController;
31 import sun.misc.Unsafe;
32
33 /** Base class for sun.misc.Unsafe-based FieldAccessors for static
34 fields. The observation is that there are only nine types of
35 fields from the standpoint of reflection code: the eight primitive
36 types and Object. Using class Unsafe instead of generated
37 bytecodes saves memory and loading time for the
38 dynamically-generated FieldAccessors. */
39
40 abstract class UnsafeStaticFieldAccessorImpl extends UnsafeFieldAccessorImpl {
41 static {
42 Reflection.registerFieldsToFilter(UnsafeStaticFieldAccessorImpl.class,
43 new String[] { "base" });
44 }
45
46 protected final Object base; // base
47
48 UnsafeStaticFieldAccessorImpl(Field field) {
49 super(field);
50 base = unsafe.staticFieldBase(field);
51 }
52 }
|
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.reflect;
27
28 import java.lang.reflect.Field;
29 import java.lang.reflect.Modifier;
30 import java.security.AccessController;
31 import jdk.internal.misc.Unsafe;
32
33 /** Base class for jdk.internal.misc.Unsafe-based FieldAccessors for static
34 fields. The observation is that there are only nine types of
35 fields from the standpoint of reflection code: the eight primitive
36 types and Object. Using class Unsafe instead of generated
37 bytecodes saves memory and loading time for the
38 dynamically-generated FieldAccessors. */
39
40 abstract class UnsafeStaticFieldAccessorImpl extends UnsafeFieldAccessorImpl {
41 static {
42 Reflection.registerFieldsToFilter(UnsafeStaticFieldAccessorImpl.class,
43 new String[] { "base" });
44 }
45
46 protected final Object base; // base
47
48 UnsafeStaticFieldAccessorImpl(Field field) {
49 super(field);
50 base = unsafe.staticFieldBase(field);
51 }
52 }
|