--- a/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/freeBlockDictionary.hpp	Wed Jul 05 18:09:43 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,103 +0,0 @@
-/*
- * Copyright (c) 2001, 2010, 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_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_FREEBLOCKDICTIONARY_HPP
-#define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_FREEBLOCKDICTIONARY_HPP
-
-#include "gc_implementation/concurrentMarkSweep/freeChunk.hpp"
-#include "memory/allocation.hpp"
-#include "memory/memRegion.hpp"
-#include "runtime/mutex.hpp"
-#include "utilities/debug.hpp"
-#include "utilities/globalDefinitions.hpp"
-#include "utilities/ostream.hpp"
-
-// A FreeBlockDictionary is an abstract superclass that will allow
-// a number of alternative implementations in the future.
-class FreeBlockDictionary: public CHeapObj {
- public:
-  enum Dither {
-    atLeast,
-    exactly,
-    roughly
-  };
-  enum DictionaryChoice {
-    dictionaryBinaryTree = 0,
-    dictionarySplayTree  = 1,
-    dictionarySkipList   = 2
-  };
-
- private:
-  NOT_PRODUCT(Mutex* _lock;)
-
- public:
-  virtual void       removeChunk(FreeChunk* fc) = 0;
-  virtual FreeChunk* getChunk(size_t size, Dither dither = atLeast) = 0;
-  virtual void       returnChunk(FreeChunk* chunk) = 0;
-  virtual size_t     totalChunkSize(debug_only(const Mutex* lock)) const = 0;
-  virtual size_t     maxChunkSize()   const = 0;
-  virtual size_t     minSize()        const = 0;
-  // Reset the dictionary to the initial conditions for a single
-  // block.
-  virtual void       reset(HeapWord* addr, size_t size) = 0;
-  virtual void       reset() = 0;
-
-  virtual void       dictCensusUpdate(size_t size, bool split, bool birth) = 0;
-  virtual bool       coalDictOverPopulated(size_t size) = 0;
-  virtual void       beginSweepDictCensus(double coalSurplusPercent,
-                       float inter_sweep_current, float inter_sweep_estimate,
-                       float intra__sweep_current) = 0;
-  virtual void       endSweepDictCensus(double splitSurplusPercent) = 0;
-  virtual FreeChunk* findLargestDict() const = 0;
-  // verify that the given chunk is in the dictionary.
-  virtual bool verifyChunkInFreeLists(FreeChunk* tc) const = 0;
-
-  // Sigma_{all_free_blocks} (block_size^2)
-  virtual double sum_of_squared_block_sizes() const = 0;
-
-  virtual FreeChunk* find_chunk_ends_at(HeapWord* target) const = 0;
-  virtual void inc_totalSize(size_t v) = 0;
-  virtual void dec_totalSize(size_t v) = 0;
-
-  NOT_PRODUCT (
-    virtual size_t   sumDictReturnedBytes() = 0;
-    virtual void     initializeDictReturnedBytes() = 0;
-    virtual size_t   totalCount() = 0;
-  )
-
-  virtual void       reportStatistics() const {
-    gclog_or_tty->print("No statistics available");
-  }
-
-  virtual void       printDictCensus() const = 0;
-  virtual void       print_free_lists(outputStream* st) const = 0;
-
-  virtual void       verify()         const = 0;
-
-  Mutex* par_lock()                const PRODUCT_RETURN0;
-  void   set_par_lock(Mutex* lock)       PRODUCT_RETURN;
-  void   verify_par_locked()       const PRODUCT_RETURN;
-};
-
-#endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_FREEBLOCKDICTIONARY_HPP