1 /*

     2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    24 

    25 #ifndef SHARE_VM_GC_G1_G1CARDLIVEDATA_INLINE_HPP

    26 #define SHARE_VM_GC_G1_G1CARDLIVEDATA_INLINE_HPP

    27 

    28 #include "gc/g1/g1CardLiveData.hpp"

    29 #include "utilities/bitMap.inline.hpp"

    30 #include "utilities/globalDefinitions.hpp"

    31 

    32 inline BitMapView G1CardLiveData::live_card_bitmap(uint region) {

    33   return BitMapView(_live_cards + ((size_t)region * _cards_per_region >> LogBitsPerWord), _cards_per_region);

    34 }

    35 

    36 inline bool G1CardLiveData::is_card_live_at(BitMap::idx_t idx) const {

    37   return live_cards_bm().at(idx);

    38 }

    39 

    40 inline bool G1CardLiveData::is_region_live(uint region) const {

    41   return live_regions_bm().at(region);

    42 }

    43 

    44 inline void G1CardLiveData::remove_nonlive_cards(uint region, BitMap* bm) {

    45   bm->set_intersection(live_card_bitmap(region));

    46 }

    47 

    48 inline void G1CardLiveData::remove_nonlive_regions(BitMap* bm) {

    49   bm->set_intersection(live_regions_bm());

    50 }

    51 

    52 #endif /* SHARE_VM_GC_G1_G1CARDLIVEDATA_INLINE_HPP */