diff -r 000000000000 -r f90c822e73f8 src/share/vm/ci/ciKlass.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/ci/ciKlass.hpp	Wed Apr 27 01:25:04 2016 +0800
@@ -0,0 +1,130 @@
+/*
+ * Copyright (c) 1999, 2013, 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.
+ *
+ */
+
+#ifndef SHARE_VM_CI_CIKLASS_HPP
+#define SHARE_VM_CI_CIKLASS_HPP
+
+#include "ci/ciType.hpp"
+
+// ciKlass
+//
+// This class and its subclasses represent Klass*s in the
+// HotSpot virtual machine.  In the vm, each Klass* contains an
+// embedded Klass object.  ciKlass is subclassed to explicitly
+// represent the kind of Klass embedded in the Klass*.  For
+// example, a Klass* with an embedded ObjArrayKlass object is
+// represented in the ciObject hierarchy by the class
+// ciObjArrayKlass.
+class ciKlass : public ciType {
+  CI_PACKAGE_ACCESS
+  friend class ciEnv;
+  friend class ciField;
+  friend class ciMethod;
+  friend class ciMethodData;
+  friend class ciObjArrayKlass;
+
+private:
+  ciSymbol* _name;
+  jint _layout_helper;
+
+protected:
+  ciKlass(KlassHandle k_h, ciSymbol* name);
+  ciKlass(ciSymbol* name, BasicType bt);
+
+  Klass* get_Klass() const {
+    Klass* k = (Klass*)_metadata;
+    assert(k != NULL, "illegal use of unloaded klass");
+    return k;
+  }
+
+  // Certain subklasses have an associated class loader.
+  virtual oop loader()             { return NULL; }
+  virtual jobject loader_handle()  { return NULL; }
+
+  virtual oop protection_domain()             { return NULL; }
+  virtual jobject protection_domain_handle()  { return NULL; }
+
+  const char* type_string() { return "ciKlass"; }
+
+  void print_impl(outputStream* st);
+
+public:
+  ciKlass(KlassHandle k_h);
+
+  // What is the name of this klass?
+  ciSymbol* name() const { return _name; }
+
+  // What is its layout helper value?
+  jint layout_helper() { return _layout_helper; }
+
+  bool is_subtype_of(ciKlass* klass);
+  bool is_subclass_of(ciKlass* klass);
+  juint super_depth();
+  juint super_check_offset();
+  ciKlass* super_of_depth(juint i);
+  bool can_be_primary_super();
+  static juint primary_super_limit() { return Klass::primary_super_limit(); }
+
+  // Is this ciObject the ciInstanceKlass representing java.lang.Object()?
+  virtual bool is_java_lang_Object() const  { return false; }
+
+  // Get the shared parent of two klasses.
+  ciKlass* least_common_ancestor(ciKlass* k);
+
+  virtual bool is_interface() {
+    return false;
+  }
+
+  virtual bool is_abstract() {
+    return false;
+  }
+
+  // Does this type (array, class, interface) have no subtypes?
+  virtual bool is_leaf_type() {
+    return false;
+  }
+
+  // Attempt to get a klass using this ciKlass's loader.
+  ciKlass* find_klass(ciSymbol* klass_name);
+  // Note:  To find a class from its name string, use ciSymbol::make,
+  // but consider adding to vmSymbols.hpp instead.
+
+  // Get the instance of java.lang.Class corresponding to this klass.
+  ciInstance*            java_mirror();
+
+  // Fetch Klass::modifier_flags.
+  jint                   modifier_flags();
+
+  // Fetch Klass::access_flags.
+  jint                   access_flags();
+
+  // What kind of ciObject is this?
+  bool is_klass() const { return true; }
+
+  virtual ciKlass* exact_klass() = 0;
+
+  void print_name_on(outputStream* st);
+};
+
+#endif // SHARE_VM_CI_CIKLASS_HPP