src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/VerifyCallerSensitiveMethods.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/VerifyCallerSensitiveMethods.java Sat Dec 08 00:56:10 2018 -0800
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+package org.graalvm.compiler.core.test;
+
+import static org.graalvm.compiler.serviceprovider.GraalServices.Java8OrEarlier;
+
+import java.lang.annotation.Annotation;
+
+import org.graalvm.compiler.nodes.Invoke;
+import org.graalvm.compiler.nodes.StructuredGraph;
+import org.graalvm.compiler.nodes.java.MethodCallTargetNode;
+import org.graalvm.compiler.phases.VerifyPhase;
+import org.graalvm.compiler.phases.tiers.PhaseContext;
+
+import jdk.vm.ci.meta.ResolvedJavaMethod;
+import jdk.vm.ci.meta.ResolvedJavaType;
+
+/**
+ * Verifies a method is annotated with CallerSensitive iff it calls Reflection#getCallerClass().
+ */
+public class VerifyCallerSensitiveMethods extends VerifyPhase<PhaseContext> {
+
+ Class<? extends Annotation> callerSensitiveClass;
+ Class<?> reflectionClass;
+
+ @Override
+ public boolean checkContract() {
+ return false;
+ }
+
+ @SuppressWarnings("unchecked")
+ public VerifyCallerSensitiveMethods() {
+ try {
+ ClassLoader classLoader = ClassLoader.getSystemClassLoader();
+ if (Java8OrEarlier) {
+ reflectionClass = classLoader.loadClass("sun.reflect.Reflection");
+ callerSensitiveClass = (Class<? extends Annotation>) classLoader.loadClass("sun.reflect.ConstantPool");
+ } else {
+ reflectionClass = classLoader.loadClass("jdk.internal.reflect.Reflection");
+ callerSensitiveClass = (Class<? extends Annotation>) classLoader.loadClass("jdk.internal.reflect.ConstantPool");
+ }
+ } catch (ClassNotFoundException e) {
+ throw new AssertionError(e);
+ }
+ }
+
+ @Override
+ protected boolean verify(StructuredGraph graph, PhaseContext context) {
+ Invoke invoke = callsReflectionGetCallerClass(graph, context);
+ Annotation annotation = graph.method().getAnnotation(callerSensitiveClass);
+ if (invoke != null) {
+ if (annotation == null) {
+ StackTraceElement e = graph.method().asStackTraceElement(invoke.bci());
+ throw new VerificationError(String.format("%s: method that calls Reflection.getCallerClass() must be annotated with @CallerSensitive", e));
+ }
+
+ } else if (annotation != null) {
+ throw new VerificationError(String.format("%s: method annotated with @CallerSensitive does not call Reflection.getCallerClass()", graph.method().format("%H.%n(%p)")));
+ }
+ return true;
+ }
+
+ private Invoke callsReflectionGetCallerClass(StructuredGraph graph, PhaseContext context) {
+ ResolvedJavaType reflectionType = context.getMetaAccess().lookupJavaType(reflectionClass);
+ for (MethodCallTargetNode t : graph.getNodes(MethodCallTargetNode.TYPE)) {
+ ResolvedJavaMethod callee = t.targetMethod();
+ if (callee.getDeclaringClass().equals(reflectionType)) {
+ if (callee.getName().equals("getCallerClass")) {
+ return t.invoke();
+ }
+ }
+ }
+ return null;
+ }
+}