blob: 89ebe09827cc02cf8fe4d46fbe6e228cb8197afd [file] [log] [blame]
/*
* Copyright (C) 2016 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.Method;
import java.lang.reflect.InvocationTargetException;
import dalvik.system.PathClassLoader;
// ClassLoader not delegating for non java. packages.
class DelegateLastPathClassLoader extends PathClassLoader {
public DelegateLastPathClassLoader(String dexPath, ClassLoader parent) {
super(dexPath, parent);
}
@Override
protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
if (!name.startsWith("java.")) {
try {
return findClass(name);
} catch (ClassNotFoundException ignore) {
// Ignore and fall through to parent class loader.
}
}
return super.loadClass(name, resolve);
}
}
public class Main {
private static Class<?> classFromDifferentLoader() throws Exception {
final String DEX_FILE = System.getenv("DEX_LOCATION") + "/612-jit-dex-cache-ex.jar";
ClassLoader loader = new DelegateLastPathClassLoader(DEX_FILE, Main.class.getClassLoader());
return loader.loadClass("LoadedByAppClassLoader");
}
public static void main(String[] args) throws Exception {
System.loadLibrary(args[0]);
Class<?> cls = classFromDifferentLoader();
Method m = cls.getDeclaredMethod("letMeInlineYou", A.class);
B b = new B();
// Invoke the method enough times to get an inline cache and get JITted.
for (int i = 0; i < 10000; ++i) {
m.invoke(null, b);
}
m = cls.getDeclaredMethod("areYouB", null);
ClassLoader loader = (ClassLoader) m.invoke(null);
if (loader != cls.getClassLoader()) {
throw new Error("Wrong class loader");
}
}
public static native void ensureJitCompiled(Class<?> cls, String method_name);
}