content: /*
   * Copyright (C) 2015 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.
   */
  
  import java.lang.reflect.Field;
  import java.lang.reflect.Method;
  import java.util.List;
  import p1.InP1;
  import p1.PlaceHolder;
  
  
  // Custom class loader to prevent loading while verifying.
  class MyClassLoader extends ClassLoader {
    MyClassLoader() throws Exception {
      super(MyClassLoader.class.getClassLoader());
  
      // Some magic to get access to the pathList field of BaseDexClassLoader.
      ClassLoader loader = getClass().getClassLoader();
      Class<?> baseDexClassLoader = loader.getClass().getSuperclass();
      Field f = baseDexClassLoader.getDeclaredField("pathList");
      f.setAccessible(true);
      Object pathList = f.get(loader);
  
      // Some magic to get access to the dexField field of pathList.
      f = pathList.getClass().getDeclaredField("dexElements");
      f.setAccessible(true);
      dexElements = (Object[]) f.get(pathList);
      dexFileField = dexElements[0].getClass().getDeclaredField("dexFile");
      dexFileField.setAccessible(true);
    }
  
    Object[] dexElements;
    Field dexFileField;
  
    protected Class<?> loadClass(String className, boolean resolve) throws ClassNotFoundException {
      if (className.equals("p1.OtherInP1") && !p1.PlaceHolder.entered) {
        // The request comes from the verifier. Return null to get the access check entry
        // point in the compiled code.
        return null;
      }
      // Mimic what DexPathList.findClass is doing.
      try {
        for (Object element : dexElements) {
          Object dex = dexFileField.get(element);
          Method method = dex.getClass().getDeclaredMethod(
              "loadClassBinaryName", String.class, ClassLoader.class, List.class);
  
          if (dex != null) {
            Class clazz = (Class)method.invoke(dex, className, this, null);
            if (clazz != null) {
              return clazz;
            }
          }
        }
      } catch (Exception e) { /* Ignore */ }
      return getParent().loadClass(className);
    }
  }
  
  public class Main {
      public static void main(String[] args) throws Exception {
        MyClassLoader o = new MyClassLoader();
        Class foo = o.loadClass("LoadedByMyClassLoader");
        Method m = foo.getDeclaredMethod("main");
        m.invoke(null);
      }
  }
  
  class LoadedByMyClassLoader {
      public static void main() throws Exception {
        for (int i = 0; i < 10000; ++i) {
          // Warm up the JIT.
          doTheCall(i);
        }
        // Sleep a while to let the JIT compile things.
        // TODO(ngeoffray): Remove the sleep. b/25414532
        Thread.sleep(2000);
        doTheCall(10001);
      }
  
      public static void doTheCall(int i) {
        InP1.$inline$AllocateOtherInP1(i);
        InP1.$inline$AllocateArrayOtherInP1(i);
        InP1.$inline$UseStaticFieldOtherInP1(i);
        InP1.$inline$SetStaticFieldOtherInP1(i);
        InP1.$inline$UseInstanceFieldOtherInP1(i);
        InP1.$inline$SetInstanceFieldOtherInP1(i);
        InP1.$inline$LoadOtherInP1(i);
        InP1.$inline$StaticCallOtherInP1(i);
        InP1.$inline$InstanceCallOtherInP1(i);
      }
  }
  