--- a/src/hotspot/share/gc/parallel/cardTableExtension.hpp	Fri Mar 09 00:28:50 2018 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,130 +0,0 @@
-/*
- * Copyright (c) 2001, 2018, 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_PARALLEL_CARDTABLEEXTENSION_HPP
-#define SHARE_VM_GC_PARALLEL_CARDTABLEEXTENSION_HPP
-
-#include "gc/shared/cardTableModRefBS.hpp"
-
-class MutableSpace;
-class ObjectStartArray;
-class PSPromotionManager;
-class GCTaskQueue;
-
-class CardTableExtension : public CardTableModRefBS {
- private:
-  // Support methods for resizing the card table.
-  // resize_commit_uncommit() returns true if the pages were committed or
-  // uncommitted
-  bool resize_commit_uncommit(int changed_region, MemRegion new_region);
-  void resize_update_card_table_entries(int changed_region,
-                                        MemRegion new_region);
-  void resize_update_committed_table(int changed_region, MemRegion new_region);
-  void resize_update_covered_table(int changed_region, MemRegion new_region);
-
- protected:
-
-  static void verify_all_young_refs_precise_helper(MemRegion mr);
-
- public:
-  enum ExtendedCardValue {
-    youngergen_card   = CardTableModRefBS::CT_MR_BS_last_reserved + 1,
-    verify_card       = CardTableModRefBS::CT_MR_BS_last_reserved + 5
-  };
-
-  CardTableExtension(MemRegion whole_heap) :
-    CardTableModRefBS(
-      whole_heap,
-      BarrierSet::FakeRtti(BarrierSet::CardTableExtension))
-    { }
-
-  // Scavenge support
-  void scavenge_contents_parallel(ObjectStartArray* start_array,
-                                  MutableSpace* sp,
-                                  HeapWord* space_top,
-                                  PSPromotionManager* pm,
-                                  uint stripe_number,
-                                  uint stripe_total);
-
-  // Verification
-  static void verify_all_young_refs_imprecise();
-  static void verify_all_young_refs_precise();
-
-  bool addr_is_marked_imprecise(void *addr);
-  bool addr_is_marked_precise(void *addr);
-
-  void set_card_newgen(void* addr)   { jbyte* p = byte_for(addr); *p = verify_card; }
-
-  // Testers for entries
-  static bool card_is_dirty(int value)      { return value == dirty_card; }
-  static bool card_is_newgen(int value)     { return value == youngergen_card; }
-  static bool card_is_clean(int value)      { return value == clean_card; }
-  static bool card_is_verify(int value)     { return value == verify_card; }
-
-  // Card marking
-  void inline_write_ref_field_gc(void* field, oop new_val) {
-    jbyte* byte = byte_for(field);
-    *byte = youngergen_card;
-  }
-
-  // Adaptive size policy support
-  // Allows adjustment of the base and size of the covered regions
-  void resize_covered_region(MemRegion new_region);
-  // Finds the covered region to resize based on the start address
-  // of the covered regions.
-  void resize_covered_region_by_start(MemRegion new_region);
-  // Finds the covered region to resize based on the end address
-  // of the covered regions.
-  void resize_covered_region_by_end(int changed_region, MemRegion new_region);
-  // Finds the lowest start address of a covered region that is
-  // previous (i.e., lower index) to the covered region with index "ind".
-  HeapWord* lowest_prev_committed_start(int ind) const;
-
-#ifdef ASSERT
-
-  bool is_valid_card_address(jbyte* addr) {
-    return (addr >= _byte_map) && (addr < _byte_map + _byte_map_size);
-  }
-
-#endif // ASSERT
-
-  // ReduceInitialCardMarks support
-  virtual bool is_in_young(oop obj) const;
-
-  virtual bool card_mark_must_follow_store() const {
-    return false;
-  }
-};
-
-template<>
-struct BarrierSet::GetName<CardTableExtension> {
-  static const BarrierSet::Name value = BarrierSet::CardTableExtension;
-};
-
-template<>
-struct BarrierSet::GetType<BarrierSet::CardTableExtension> {
-  typedef ::CardTableExtension type;
-};
-
-#endif // SHARE_VM_GC_PARALLEL_CARDTABLEEXTENSION_HPP