--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/oops/annotations.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2012, 2017, 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_OOPS_ANNOTATIONS_HPP
+#define SHARE_VM_OOPS_ANNOTATIONS_HPP
+
+#include "oops/array.hpp"
+#include "oops/metadata.hpp"
+#include "runtime/handles.hpp"
+#include "utilities/exceptions.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+
+class ClassLoaderData;
+class outputStream;
+class KlassSizeStats;
+
+typedef Array<u1> AnnotationArray;
+
+// Class to hold the various types of annotations. The only metadata that points
+// to this is InstanceKlass, or another Annotations instance if this is a
+// a type_annotation instance.
+
+class Annotations: public MetaspaceObj {
+  // If you add a new field that points to any metaspace object, you
+  // must add this field to Annotations::metaspace_pointers_do().
+
+  // Annotations for this class, or null if none.
+  AnnotationArray*             _class_annotations;
+  // Annotation objects (byte arrays) for fields, or null if no annotations.
+  // Indices correspond to entries (not indices) in fields array.
+  Array<AnnotationArray*>*     _fields_annotations;
+  // Type annotations for this class, or null if none.
+  AnnotationArray*             _class_type_annotations;
+  Array<AnnotationArray*>*     _fields_type_annotations;
+
+ public:
+  // Allocate instance of this class
+  static Annotations* allocate(ClassLoaderData* loader_data, TRAPS);
+
+  static void free_contents(ClassLoaderData* loader_data, Array<AnnotationArray*>* p);
+  void deallocate_contents(ClassLoaderData* loader_data);
+  DEBUG_ONLY(bool on_stack() { return false; })  // for template
+
+  // Sizing (in words)
+  static int size()    { return sizeof(Annotations) / wordSize; }
+
+  // Annotations should be stored in the read-only region of CDS archive.
+  static bool is_read_only_by_default() { return true; }
+
+#if INCLUDE_SERVICES
+  void collect_statistics(KlassSizeStats *sz) const;
+#endif
+
+  // Constructor to initialize to null
+  Annotations() : _class_annotations(NULL),
+                  _fields_annotations(NULL),
+                  _class_type_annotations(NULL),
+                  _fields_type_annotations(NULL) {}
+
+  AnnotationArray* class_annotations() const                       { return _class_annotations; }
+  Array<AnnotationArray*>* fields_annotations() const              { return _fields_annotations; }
+  AnnotationArray* class_type_annotations() const                  { return _class_type_annotations; }
+  Array<AnnotationArray*>* fields_type_annotations() const         { return _fields_type_annotations; }
+
+  void set_class_annotations(AnnotationArray* md)                     { _class_annotations = md; }
+  void set_fields_annotations(Array<AnnotationArray*>* md)            { _fields_annotations = md; }
+  void set_class_type_annotations(AnnotationArray* cta)               { _class_type_annotations = cta; }
+  void set_fields_type_annotations(Array<AnnotationArray*>* fta)      { _fields_type_annotations = fta; }
+
+  // Turn metadata annotations into a Java heap object (oop)
+  static typeArrayOop make_java_array(AnnotationArray* annotations, TRAPS);
+
+  bool is_klass() const { return false; }
+  void metaspace_pointers_do(MetaspaceClosure* it);
+  MetaspaceObj::Type type() const { return AnnotationsType; }
+
+ private:
+  static julong count_bytes(Array<AnnotationArray*>* p);
+ public:
+  const char* internal_name() const { return "{constant pool}"; }
+#ifndef PRODUCT
+  void print_on(outputStream* st) const;
+#endif
+  void print_value_on(outputStream* st) const;
+};
+#endif // SHARE_VM_OOPS_ANNOTATIONS_HPP