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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