--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/oops/reflectionAccessorImplKlassHelper.hpp	Thu Jun 14 21:49:46 2018 +0200
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, SAP SE. 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.
+ *
+ */
+
+#ifndef HOTSPOT_SHARE_OOPS_REFLECTIONACCESSORIMPLKLASSHELPER_HPP
+#define HOTSPOT_SHARE_OOPS_REFLECTIONACCESSORIMPLKLASSHELPER_HPP
+
+#include "memory/allocation.hpp"
+
+class InstanceKlass;
+
+// Helper for classes derived from jdk/internal/reflect/{Method|Constructor}AccessorImpl:
+// offers convenience functions to extract the names of target class/method/signature
+// from the constant pool of these classes.
+class ReflectionAccessorImplKlassHelper: public AllStatic {
+
+  // Returns true if k is of type jdk/internal/reflect/GeneratedMethodAccessorXXX.
+  static bool is_generated_method_accessor(const InstanceKlass* k);
+
+  // Returns true if k is of type jdk/internal/reflect/GeneratedConstructorAccessorXXX.
+  static bool is_generated_constructor_accessor(const InstanceKlass* k);
+
+  // Returns true if k is of type jdk/internal/reflect/GeneratedSerializationConstructorAccessorXXX.
+  static bool is_generated_method_serialization_constructor_accessor(const InstanceKlass* k);
+
+  // Assuming k is of type jdk/internal/reflect/Generated{SerializationConstructor|Constructor|Method}AccessorXXX,
+  // the name of the target class as resource-area allocated string.
+  static const char* get_target_class_name(const InstanceKlass* k);
+
+  // Assuming k is of type jdk/internal/reflect/Generated{SerializationConstructor|Constructor|Method}AccessorXXX,
+  // the name of the target method as resource-area allocated string.
+  static const char* get_target_method_name(const InstanceKlass* k);
+
+  // Assuming k is of type jdk/internal/reflect/Generated{SerializationConstructor|Constructor|Method}AccessorXXX,
+  // the signature of the target method as resource-area allocated string.
+  static const char* get_target_method_signature(const InstanceKlass* k);
+
+public:
+
+  // Returns true if k is of type jdk/internal/reflect/Generated{SerializationConstructor|Constructor|Method}AccessorXXX
+  // and it is safe to call print_invocation_target(k)
+  static bool is_generated_accessor(const Klass* k);
+
+  // Assuming k is of type jdk/internal/reflect/Generated{SerializationConstructor|Constructor|Method}AccessorXXX,
+  // print out target class, method, signature in one line.
+  static void print_invocation_target(outputStream* out, Klass* k);
+
+};
+
+
+
+
+#endif /* HOTSPOT_SHARE_OOPS_REFLECTIONACCESSORIMPLKLASSHELPER_HPP */
+