--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/ci/ciInstance.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,61 @@
+/*
+ * Copyright 1999-2005 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.
+ *
+ */
+
+// ciInstance
+//
+// This class represents an instanceOop in the HotSpot virtual
+// machine.  This is an oop which corresponds to a non-array
+// instance of java.lang.Object.
+class ciInstance : public ciObject {
+  CI_PACKAGE_ACCESS
+
+protected:
+  ciInstance(instanceHandle h_i) : ciObject(h_i) {
+    assert(h_i()->is_instance(), "wrong type");
+  }
+
+  ciInstance(ciKlass* klass) : ciObject(klass) {}
+
+  instanceOop get_instanceOop() { return (instanceOop)get_oop(); }
+
+  const char* type_string() { return "ciInstance"; }
+
+  void print_impl(outputStream* st);
+
+public:
+  // If this object is a java mirror, return the corresponding type.
+  // Otherwise, return NULL.
+  // (Remember that a java mirror is an instance of java.lang.Class.)
+  ciType* java_mirror_type();
+
+  // What kind of ciObject is this?
+  bool is_instance()     { return true; }
+  bool is_java_object()  { return true; }
+
+  // Constant value of a field.
+  ciConstant field_value(ciField* field);
+
+  // Constant value of a field at the specified offset.
+  ciConstant field_value_by_offset(int field_offset);
+};