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src/hotspot/share/gc/z/zLiveMap.inline.hpp

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 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 #ifndef SHARE_GC_Z_ZLIVEMAP_INLINE_HPP
 25 #define SHARE_GC_Z_ZLIVEMAP_INLINE_HPP
 26 
 27 #include "gc/z/zBitMap.inline.hpp"
 28 #include "gc/z/zLiveMap.hpp"
 29 #include "gc/z/zMark.hpp"
 30 #include "gc/z/zOop.inline.hpp"
 31 #include "gc/z/zUtils.inline.hpp"
 32 #include "runtime/atomic.hpp"

 33 #include "utilities/bitMap.inline.hpp"
 34 #include "utilities/debug.hpp"
 35 
 36 inline void ZLiveMap::reset() {
 37   _seqnum = 0;
 38 }
 39 
 40 inline bool ZLiveMap::is_marked() const {
 41   return _seqnum == ZGlobalSeqNum;
 42 }
 43 
 44 inline uint32_t ZLiveMap::live_objects() const {
 45   assert(ZGlobalPhase != ZPhaseMark, "Invalid phase");
 46   return _live_objects;
 47 }
 48 
 49 inline size_t ZLiveMap::live_bytes() const {
 50   assert(ZGlobalPhase != ZPhaseMark, "Invalid phase");
 51   return _live_bytes;
 52 }
 53 
 54 inline const BitMapView ZLiveMap::segment_live_bits() const {
 55   return BitMapView(const_cast<BitMap::bm_word_t*>(&_segment_live_bits), nsegments);
 56 }
 57 
 58 inline const BitMapView ZLiveMap::segment_claim_bits() const {
 59   return BitMapView(const_cast<BitMap::bm_word_t*>(&_segment_claim_bits), nsegments);
 60 }
 61 

 51   return _live_bytes;
 52 }
 53 
 54 inline const BitMapView ZLiveMap::segment_live_bits() const {
 55   return BitMapView(const_cast<BitMap::bm_word_t*>(&_segment_live_bits), nsegments);
 56 }
 57 
 58 inline const BitMapView ZLiveMap::segment_claim_bits() const {
 59   return BitMapView(const_cast<BitMap::bm_word_t*>(&_segment_claim_bits), nsegments);
 60 }
 61 
 62 inline BitMapView ZLiveMap::segment_live_bits() {
 63   return BitMapView(&_segment_live_bits, nsegments);
 64 }
 65 
 66 inline BitMapView ZLiveMap::segment_claim_bits() {
 67   return BitMapView(&_segment_claim_bits, nsegments);
 68 }
 69 
 70 inline bool ZLiveMap::is_segment_live(BitMap::idx_t segment) const {
 71   return segment_live_bits().at(segment);
 72 }
 73 
 74 inline bool ZLiveMap::set_segment_live_atomic(BitMap::idx_t segment) {
 75   return segment_live_bits().par_set_bit(segment);
 76 }
 77 
 78 inline bool ZLiveMap::claim_segment(BitMap::idx_t segment) {
 79   return segment_claim_bits().par_set_bit(segment);
 80 }
 81 
 82 inline BitMap::idx_t ZLiveMap::first_live_segment() const {
 83   return segment_live_bits().get_next_one_offset(0, nsegments);
 84 }
 85 
 86 inline BitMap::idx_t ZLiveMap::next_live_segment(BitMap::idx_t segment) const {
 87   return segment_live_bits().get_next_one_offset(segment + 1, nsegments);
 88 }
 89 
 90 inline BitMap::idx_t ZLiveMap::segment_size() const {
 91   return _bitmap.size() / nsegments;
 92 }
 93 
 94 inline BitMap::idx_t ZLiveMap::index_to_segment(BitMap::idx_t index) const {
 95   return index >> _segment_shift;
 96 }
 97 
 98 inline bool ZLiveMap::get(size_t index) const {
 99   BitMap::idx_t segment = index_to_segment(index);

 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 #ifndef SHARE_GC_Z_ZLIVEMAP_INLINE_HPP
 25 #define SHARE_GC_Z_ZLIVEMAP_INLINE_HPP
 26 
 27 #include "gc/z/zBitMap.inline.hpp"
 28 #include "gc/z/zLiveMap.hpp"
 29 #include "gc/z/zMark.hpp"
 30 #include "gc/z/zOop.inline.hpp"
 31 #include "gc/z/zUtils.inline.hpp"
 32 #include "runtime/atomic.hpp"
 33 #include "runtime/orderAccess.hpp"
 34 #include "utilities/bitMap.inline.hpp"
 35 #include "utilities/debug.hpp"
 36 
 37 inline void ZLiveMap::reset() {
 38   _seqnum = 0;
 39 }
 40 
 41 inline bool ZLiveMap::is_marked() const {
 42   return OrderAccess::load_acquire(&_seqnum) == ZGlobalSeqNum;
 43 }
 44 
 45 inline uint32_t ZLiveMap::live_objects() const {
 46   assert(ZGlobalPhase != ZPhaseMark, "Invalid phase");
 47   return _live_objects;
 48 }
 49 
 50 inline size_t ZLiveMap::live_bytes() const {
 51   assert(ZGlobalPhase != ZPhaseMark, "Invalid phase");
 52   return _live_bytes;
 53 }
 54 
 55 inline const BitMapView ZLiveMap::segment_live_bits() const {
 56   return BitMapView(const_cast<BitMap::bm_word_t*>(&_segment_live_bits), nsegments);
 57 }
 58 
 59 inline const BitMapView ZLiveMap::segment_claim_bits() const {
 60   return BitMapView(const_cast<BitMap::bm_word_t*>(&_segment_claim_bits), nsegments);
 61 }
 62 

 52   return _live_bytes;
 53 }
 54 
 55 inline const BitMapView ZLiveMap::segment_live_bits() const {
 56   return BitMapView(const_cast<BitMap::bm_word_t*>(&_segment_live_bits), nsegments);
 57 }
 58 
 59 inline const BitMapView ZLiveMap::segment_claim_bits() const {
 60   return BitMapView(const_cast<BitMap::bm_word_t*>(&_segment_claim_bits), nsegments);
 61 }
 62 
 63 inline BitMapView ZLiveMap::segment_live_bits() {
 64   return BitMapView(&_segment_live_bits, nsegments);
 65 }
 66 
 67 inline BitMapView ZLiveMap::segment_claim_bits() {
 68   return BitMapView(&_segment_claim_bits, nsegments);
 69 }
 70 
 71 inline bool ZLiveMap::is_segment_live(BitMap::idx_t segment) const {
 72   return segment_live_bits().at(segment, memory_order_acquire);
 73 }
 74 
 75 inline bool ZLiveMap::set_segment_live_atomic(BitMap::idx_t segment) {
 76   return segment_live_bits().par_set_bit(segment, memory_order_release);
 77 }
 78 
 79 inline bool ZLiveMap::claim_segment(BitMap::idx_t segment) {
 80   return segment_claim_bits().par_set_bit(segment, memory_order_acq_rel);
 81 }
 82 
 83 inline BitMap::idx_t ZLiveMap::first_live_segment() const {
 84   return segment_live_bits().get_next_one_offset(0, nsegments);
 85 }
 86 
 87 inline BitMap::idx_t ZLiveMap::next_live_segment(BitMap::idx_t segment) const {
 88   return segment_live_bits().get_next_one_offset(segment + 1, nsegments);
 89 }
 90 
 91 inline BitMap::idx_t ZLiveMap::segment_size() const {
 92   return _bitmap.size() / nsegments;
 93 }
 94 
 95 inline BitMap::idx_t ZLiveMap::index_to_segment(BitMap::idx_t index) const {
 96   return index >> _segment_shift;
 97 }
 98 
 99 inline bool ZLiveMap::get(size_t index) const {
100   BitMap::idx_t segment = index_to_segment(index);
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