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8271820: Implementation of JEP 416: Reimplement Core Reflection with Method Handle

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8013527: calling MethodHandles.lookup on itself leads to errors

Co-authored-by: Peter Levart <plevart@openjdk.org>
Co-authored-by: Claes Redestad <redestad@openjdk.org>
Co-authored-by: Mandy Chung <mchung@openjdk.org>
Reviewed-by: mcimadamore, plevart, egahlin, redestad, cjplummer, alanb
This commit is contained in:
Mandy Chung 2021-10-28 18:32:50 +00:00
parent 5a768f75c9
commit c6339cb8a2
78 changed files with 6118 additions and 544 deletions
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11
src/java.base/share/classes/java/lang/ClassLoader.java
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@ -64,6 +64,7 @@ import jdk.internal.perf.PerfCounter;
import jdk.internal.misc.Unsafe;
import jdk.internal.misc.VM;
import jdk.internal.reflect.CallerSensitive;
import jdk.internal.reflect.CallerSensitiveAdapter;
import jdk.internal.reflect.Reflection;
import jdk.internal.util.StaticProperty;
import sun.reflect.misc.ReflectUtil;
@ -1615,9 +1616,13 @@ public abstract class ClassLoader {
*/
@CallerSensitive
protected static boolean registerAsParallelCapable() {
Class<? extends ClassLoader> callerClass =
Reflection.getCallerClass().asSubclass(ClassLoader.class);
return ParallelLoaders.register(callerClass);
return registerAsParallelCapable(Reflection.getCallerClass());
}
// Caller-sensitive adapter method for reflective invocation
@CallerSensitiveAdapter
private static boolean registerAsParallelCapable(Class<?> caller) {
return ParallelLoaders.register(caller.asSubclass(ClassLoader.class));
}
/**