hotspot/test/compiler/calls/common/InvokeDynamic.java
changeset 35128 bb8baf284c67
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/calls/common/InvokeDynamic.java	Wed Dec 16 18:38:02 2015 +0300
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2015, 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 compiler.calls.common;
+
+import java.lang.invoke.CallSite;
+import java.lang.invoke.ConstantCallSite;
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.MethodType;
+
+/**
+ * A test class checking InvokeDynamic instruction.
+ * This is not quite "ready-to-use" class, since javac can't generate indy
+ * directly(only as part of lambda init) so, this class bytecode should be
+ * patched with method "caller" which uses indy. Other methods can be written in
+ * java for easier support and readability.
+ */
+
+public class InvokeDynamic extends CallsBase {
+    private static final Object LOCK = new Object();
+
+    public static void main(String args[]) {
+        new InvokeDynamic().runTest(args);
+    }
+
+    /**
+     * Caller method to call "callee" method. Must be overwritten with InvokeDynamicPatcher
+     */
+    @Override
+    public void caller() {
+    }
+
+    /**
+     * A bootstrap method for invokedynamic
+     * @param lookup a lookup object
+     * @param methodName methodName
+     * @param type method type
+     * @return CallSite for method
+     */
+    public static CallSite bootstrapMethod(MethodHandles.Lookup lookup,
+            String methodName, MethodType type) throws IllegalAccessException,
+            NoSuchMethodException {
+        MethodType mtype = MethodType.methodType(boolean.class,
+                new Class<?>[]{int.class, long.class, float.class,
+                    double.class, String.class});
+        return new ConstantCallSite(lookup.findVirtual(lookup.lookupClass(),
+                methodName, mtype));
+    }
+
+    /**
+     * A callee method, assumed to be called by "caller"
+     */
+    public boolean callee(int param1, long param2, float param3, double param4,
+            String param5) {
+        calleeVisited = true;
+        CallsBase.checkValues(param1, param2, param3, param4, param5);
+        return true;
+    }
+
+    /**
+     * A native callee method, assumed to be called by "caller"
+     */
+    public native boolean calleeNative(int param1, long param2, float param3,
+            double param4, String param5);
+
+    /**
+     * Returns object to lock execution on
+     * @return lock object
+     */
+    @Override
+    protected Object getLockObject() {
+        return LOCK;
+    }
+
+    @Override
+    protected void callerNative() {
+        throw new Error("No native call for invokedynamic");
+    }
+}