--- a/src/hotspot/share/gc/cms/cmsCardTable.hpp Fri Nov 08 14:54:17 2019 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,90 +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_GC_CMS_CMSCARDTABLE_HPP
-#define SHARE_GC_CMS_CMSCARDTABLE_HPP
-
-#include "gc/shared/cardTableRS.hpp"
-#include "utilities/globalDefinitions.hpp"
-
-class DirtyCardToOopClosure;
-class MemRegion;
-class OopsInGenClosure;
-class Space;
-
-class CMSCardTable : public CardTableRS {
-private:
- // Returns the number of chunks necessary to cover "mr".
- size_t chunks_to_cover(MemRegion mr);
-
- // Returns the index of the chunk in a stride which
- // covers the given address.
- uintptr_t addr_to_chunk_index(const void* addr);
-
- // Initializes "lowest_non_clean" to point to the array for the region
- // covering "sp", and "lowest_non_clean_base_chunk_index" to the chunk
- // index of the corresponding to the first element of that array.
- // Ensures that these arrays are of sufficient size, allocating if necessary.
- // May be called by several threads concurrently.
- void get_LNC_array_for_space(Space* sp,
- CardValue**& lowest_non_clean,
- uintptr_t& lowest_non_clean_base_chunk_index,
- size_t& lowest_non_clean_chunk_size);
-
- // Apply cl, which must either itself apply dcto_cl or be dcto_cl,
- // to the cards in the stride (of n_strides) within the given space.
- void process_stride(Space* sp,
- MemRegion used,
- jint stride, int n_strides,
- OopsInGenClosure* cl,
- CardTableRS* ct,
- CardValue** lowest_non_clean,
- uintptr_t lowest_non_clean_base_chunk_index,
- size_t lowest_non_clean_chunk_size);
-
- // Makes sure that chunk boundaries are handled appropriately, by
- // adjusting the min_done of dcto_cl, and by using a special card-table
- // value to indicate how min_done should be set.
- void process_chunk_boundaries(Space* sp,
- DirtyCardToOopClosure* dcto_cl,
- MemRegion chunk_mr,
- MemRegion used,
- CardValue** lowest_non_clean,
- uintptr_t lowest_non_clean_base_chunk_index,
- size_t lowest_non_clean_chunk_size);
-
- virtual void verify_used_region_at_save_marks(Space* sp) const NOT_DEBUG_RETURN;
-
-protected:
- // Work method used to implement non_clean_card_iterate_possibly_parallel()
- // above in the parallel case.
- virtual void non_clean_card_iterate_parallel_work(Space* sp, MemRegion mr,
- OopsInGenClosure* cl, CardTableRS* ct,
- uint n_threads);
-
-public:
- CMSCardTable(MemRegion whole_heap);
-};
-
-#endif // SHARE_GC_CMS_CMSCARDTABLE_HPP