/*
|
* Copyright (C) 2019 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.util.concurrent.atomic.AtomicInteger;
|
|
public class Main {
|
|
// Ensure that the "loop" method is compiled. Otherwise we currently have no real way to get rid
|
// of dead references. Return true if it looks like we succeeded.
|
public static boolean ensureCompiled(Class cls, String methodName) throws NoSuchMethodException {
|
Method m = cls.getDeclaredMethod(methodName);
|
if (isAotCompiled(cls, methodName)) {
|
return true;
|
} else {
|
ensureMethodJitCompiled(m);
|
if (hasJitCompiledEntrypoint(cls, methodName)) {
|
return true;
|
}
|
return false;
|
}
|
}
|
|
// Garbage collect and check that the atomic counter has the expected value.
|
// Exped value of -1 means don't care.
|
// Noinline because we don't want the inlining here to interfere with the ReachabilitySensitive
|
// analysis.
|
public static void $noinline$gcAndCheck(AtomicInteger counter, int expected, String label,
|
String msg) {
|
Runtime.getRuntime().gc();
|
System.runFinalization();
|
int count = counter.get();
|
System.out.println(label + " count: " + count);
|
if (counter.get() != expected && expected != -1) {
|
System.out.println(msg);
|
}
|
}
|
|
public static void main(String[] args) {
|
System.loadLibrary(args[0]);
|
// Run several variations of the same test with different reachability annotations, etc.
|
// Only the DeadReferenceSafeTest should finalize every previously allocated object.
|
DeadReferenceUnsafeTest.runTest();
|
DeadReferenceSafeTest.runTest();
|
ReachabilitySensitiveTest.runTest();
|
ReachabilitySensitiveFunTest.runTest();
|
ReachabilityFenceTest.runTest();
|
}
|
public static native void ensureMethodJitCompiled(Method meth);
|
public static native boolean hasJitCompiledEntrypoint(Class<?> cls, String methodName);
|
public static native boolean isAotCompiled(Class<?> cls, String methodName);
|
}
|