src/java.base/share/classes/sun/reflect/MagicAccessorImpl.java

Print this page
rev 12972 : 8140606: Update library code to use internal Unsafe
Reviewed-by: duke


  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 /** <P> MagicAccessorImpl (named for parity with FieldAccessorImpl and
  29     others, not because it actually implements an interface) is a
  30     marker class in the hierarchy. All subclasses of this class are
  31     "magically" granted access by the VM to otherwise inaccessible
  32     fields and methods of other classes. It is used to hold the code
  33     for dynamically-generated FieldAccessorImpl and MethodAccessorImpl
  34     subclasses. (Use of the word "unsafe" was avoided in this class's
  35     name to avoid confusion with {@link sun.misc.Unsafe}.) </P>
  36 
  37     <P> The bug fix for 4486457 also necessitated disabling
  38     verification for this class and all subclasses, as opposed to just
  39     SerializationConstructorAccessorImpl and subclasses, to avoid
  40     having to indicate to the VM which of these dynamically-generated
  41     stub classes were known to be able to pass the verifier. </P>
  42 
  43     <P> Do not change the name of this class without also changing the
  44     VM's code. </P> */
  45 
  46 class MagicAccessorImpl {
  47 }


  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 /** <P> MagicAccessorImpl (named for parity with FieldAccessorImpl and
  29     others, not because it actually implements an interface) is a
  30     marker class in the hierarchy. All subclasses of this class are
  31     "magically" granted access by the VM to otherwise inaccessible
  32     fields and methods of other classes. It is used to hold the code
  33     for dynamically-generated FieldAccessorImpl and MethodAccessorImpl
  34     subclasses. (Use of the word "unsafe" was avoided in this class's
  35     name to avoid confusion with {@link jdk.internal.misc.Unsafe}.) </P>
  36 
  37     <P> The bug fix for 4486457 also necessitated disabling
  38     verification for this class and all subclasses, as opposed to just
  39     SerializationConstructorAccessorImpl and subclasses, to avoid
  40     having to indicate to the VM which of these dynamically-generated
  41     stub classes were known to be able to pass the verifier. </P>
  42 
  43     <P> Do not change the name of this class without also changing the
  44     VM's code. </P> */
  45 
  46 class MagicAccessorImpl {
  47 }