Fix inlining and lse bugs with unresolved access.
bug:25414532
Change-Id: I48b6660754774ea3e8a62a74175b1aa3728e0151
diff --git a/test/542-unresolved-access-check/src/Main.java b/test/542-unresolved-access-check/src/Main.java
new file mode 100644
index 0000000..2bdf47f
--- /dev/null
+++ b/test/542-unresolved-access-check/src/Main.java
@@ -0,0 +1,104 @@
+/*
+ * 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);
+ }
+}