test/jvmti-common/Main.java

/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package art;

// Binder class so the agent's C code has something that can be bound and exposed to tests.
// In a package to separate cleanly and work around CTS reference issues (though this class
// should be replaced in the CTS version).
public class Main {
  // Load the given class with the given classloader, and bind all native methods to corresponding
  // C methods in the agent. Will abort if any of the steps fail.
  public static native void bindAgentJNI(String className, ClassLoader classLoader);
  // Same as above, giving the class directly.
  public static native void bindAgentJNIForClass(Class<?> klass);

  // Common infrastructure.
  public static native void setTag(Object o, long tag);
  public static native long getTag(Object o);
}