hotspot/src/share/vm/gc/g1/g1CardLiveData.inline.hpp
author kbarrett
Tue, 30 Aug 2016 23:48:16 -0400
changeset 40892 330a02d935ad
parent 38177 b0c9cb06506b
permissions -rw-r--r--
8156500: Move Reference pending list into VM to prevent deadlocks Summary: Move reference pending list and locking into VM Reviewed-by: coleenp, dholmes, dcubed, mchung, plevart Contributed-by: kim.barrett@oracle.com, per.liden@oracle.com
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/*
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 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_GC_G1_G1CARDLIVEDATA_INLINE_HPP
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#define SHARE_VM_GC_G1_G1CARDLIVEDATA_INLINE_HPP
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#include "gc/g1/g1CardLiveData.hpp"
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#include "utilities/bitMap.inline.hpp"
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#include "utilities/globalDefinitions.hpp"
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inline BitMapView G1CardLiveData::live_card_bitmap(uint region) {
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  return BitMapView(_live_cards + ((size_t)region * _cards_per_region >> LogBitsPerWord), _cards_per_region);
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}
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inline bool G1CardLiveData::is_card_live_at(BitMap::idx_t idx) const {
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  return live_cards_bm().at(idx);
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}
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inline bool G1CardLiveData::is_region_live(uint region) const {
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  return live_regions_bm().at(region);
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}
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inline void G1CardLiveData::remove_nonlive_cards(uint region, BitMap* bm) {
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  bm->set_intersection(live_card_bitmap(region));
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}
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inline void G1CardLiveData::remove_nonlive_regions(BitMap* bm) {
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  bm->set_intersection(live_regions_bm());
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}
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#endif /* SHARE_VM_GC_G1_G1CARDLIVEDATA_INLINE_HPP */