blob: 25e3eba659cf53577c0089c57a963f764e088ae5 [file] [log] [blame]
/*
* 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.
*/
import libcore.util.EmptyArray;
public class Main {
public static void main(String[] args) {
try {
// Check if we're running dalvik or RI.
Class<?> class_loader_class = Class.forName("dalvik.system.PathClassLoader");
System.loadLibrary(args[0]);
} catch (ClassNotFoundException e) {
usingRI = true;
// Add expected JNI_OnLoad log line to match expected-stdout.txt.
System.out.println("JNI_OnLoad called");
}
try {
// Initialize all classes needed for old java.lang.Void.TYPE initialization.
Runnable.class.getMethod("run", EmptyArray.CLASS).getReturnType();
} catch (Exception e) {
throw new Error(e);
}
// Clear the resolved types of the ojluni dex file to make sure there is no entry
// for "V", i.e. void.
clearResolvedTypes(Integer.class);
// With java.lang.Void being compile-time verified but uninitialized, initialize
// it now. Previously, this would indirectly initialize TYPE with the current,
// i.e. zero-initialized, value of TYPE. The only thing that could prevent the
// series of calls leading to this was a cache hit in Class.getDexCacheType()
// which we have prevented by clearing the cache above.
Class<?> voidClass = void.class;
System.out.println("void.class = " + voidClass);
}
public static void clearResolvedTypes(Class<?> c) {
if (!usingRI) {
nativeClearResolvedTypes(c);
}
}
public static native void nativeClearResolvedTypes(Class<?> c);
static boolean usingRI = false;
}