--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/ci/ciNullObject.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,49 @@
+/*
+ * Copyright 1999-2000 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+// ciNullObject
+//
+// This class represents a null reference in the VM.
+class ciNullObject : public ciObject {
+  CI_PACKAGE_ACCESS
+
+private:
+  ciNullObject() : ciObject() {}
+
+  const char* type_string() { return "ciNullObject"; }
+
+  void print_impl(outputStream* st);
+
+public:
+  // Is this ciObject a Java Language Object?  That is,
+  // is the ciObject an instance or an array
+  bool is_java_object() { return true; }
+
+  // What kind of ciObject is this?
+  bool is_null_object() const { return true; }
+  bool is_classless() const   { return true; }
+
+  // Get the distinguished instance of this klass.
+  static ciNullObject* make();
+};