--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/gc/g1/g1FullGCOopClosures.hpp	Tue Nov 14 11:33:23 2017 +0100
@@ -0,0 +1,151 @@
+/*
+ * Copyright (c) 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_GC_G1_G1FULLGCOOPCLOSURES_HPP
+#define SHARE_GC_G1_G1FULLGCOOPCLOSURES_HPP
+
+#include "memory/iterator.hpp"
+#include "memory/universe.hpp"
+
+class G1CollectedHeap;
+class G1FullCollector;
+class G1CMBitMap;
+class G1FullGCMarker;
+
+// Below are closures used by the G1 Full GC.
+class G1IsAliveClosure : public BoolObjectClosure {
+  G1CMBitMap* _bitmap;
+
+public:
+  G1IsAliveClosure(G1CMBitMap* bitmap) : _bitmap(bitmap) { }
+
+  virtual bool do_object_b(oop p);
+};
+
+class G1FullKeepAliveClosure: public OopClosure {
+  G1FullGCMarker* _marker;
+  template <class T>
+  inline void do_oop_work(T* p);
+
+public:
+  G1FullKeepAliveClosure(G1FullGCMarker* pm) : _marker(pm) { }
+
+  virtual void do_oop(oop* p);
+  virtual void do_oop(narrowOop* p);
+};
+
+class G1MarkAndPushClosure : public ExtendedOopClosure {
+  G1FullGCMarker* _marker;
+  uint _worker_id;
+
+public:
+  G1MarkAndPushClosure(uint worker, G1FullGCMarker* marker, ReferenceProcessor* ref) :
+    _marker(marker),
+    _worker_id(worker),
+    ExtendedOopClosure(ref) { }
+
+  template <class T> inline void do_oop_nv(T* p);
+  virtual void do_oop(oop* p);
+  virtual void do_oop(narrowOop* p);
+
+  virtual bool do_metadata();
+  bool do_metadata_nv();
+
+  virtual void do_klass(Klass* k);
+  void do_klass_nv(Klass* k);
+
+  virtual void do_cld(ClassLoaderData* cld);
+  void do_cld_nv(ClassLoaderData* cld);
+};
+
+class G1AdjustClosure : public OopClosure {
+public:
+  template <class T> static inline oop adjust_pointer(T* p);
+  virtual void do_oop(oop* p);
+  virtual void do_oop(narrowOop* p);
+};
+
+class G1AdjustAndRebuildClosure : public ExtendedOopClosure {
+  uint _worker_id;
+  size_t _compaction_delta;
+  G1CollectedHeap* _g1h;
+
+  inline size_t calculate_compaction_delta(oop current, oop forwardee);
+  template <class T> inline T* add_compaction_delta(T* p);
+
+public:
+  G1AdjustAndRebuildClosure(uint worker_id);
+
+  void update_compaction_delta(oop obj);
+
+  template <class T> inline void add_reference(T* from_field, oop reference, uint worker_id);
+  template <class T> void do_oop_nv(T* p);
+  virtual void do_oop(oop* p);
+  virtual void do_oop(narrowOop* p);
+
+  virtual ReferenceIterationMode reference_iteration_mode() { return DO_FIELDS; }
+};
+
+class G1AdjustObjectClosure {
+  G1AdjustAndRebuildClosure* _closure;
+
+public:
+  G1AdjustObjectClosure(G1AdjustAndRebuildClosure* cl) : _closure(cl) { }
+
+  inline int adjust_object(oop obj);
+};
+
+class G1VerifyOopClosure: public OopClosure {
+private:
+  G1CollectedHeap* _g1h;
+  bool             _failures;
+  oop              _containing_obj;
+  VerifyOption     _verify_option;
+
+public:
+  int _cc;
+  G1VerifyOopClosure(VerifyOption option);
+
+  void set_containing_obj(oop obj) {
+    _containing_obj = obj;
+  }
+
+  bool failures() { return _failures; }
+  void print_object(outputStream* out, oop obj);
+
+  template <class T> void do_oop_nv(T* p);
+
+  void do_oop(oop* p)       { do_oop_nv(p); }
+  void do_oop(narrowOop* p) { do_oop_nv(p); }
+};
+
+class G1FollowStackClosure: public VoidClosure {
+  G1FullGCMarker* _marker;
+
+public:
+  G1FollowStackClosure(G1FullGCMarker* marker) : _marker(marker) {}
+  virtual void do_void();
+};
+
+#endif // SHARE_GC_G1_G1FULLGCOOPCLOSURES_HPP