38   volatile uint32_t _seqnum;
39   volatile uint32_t _live_objects;
40   volatile size_t   _live_bytes;
41   BitMap::bm_word_t _segment_live_bits;
42   BitMap::bm_word_t _segment_claim_bits;
43   ZBitMap           _bitmap;
44   size_t            _segment_shift;
45 
46   const BitMapView segment_live_bits() const;
47   const BitMapView segment_claim_bits() const;
48 
49   BitMapView segment_live_bits();
50   BitMapView segment_claim_bits();
51 
52   BitMap::idx_t segment_size() const;
53 
54   BitMap::idx_t segment_start(BitMap::idx_t segment) const;
55   BitMap::idx_t segment_end(BitMap::idx_t segment) const;
56 
57   bool is_segment_live(BitMap::idx_t segment) const;
58   bool set_segment_live_atomic(BitMap::idx_t segment);
59 
60   BitMap::idx_t first_live_segment() const;
61   BitMap::idx_t next_live_segment(BitMap::idx_t segment) const;
62   BitMap::idx_t index_to_segment(BitMap::idx_t index) const;
63 
64   bool claim_segment(BitMap::idx_t segment);
65 
66   void reset(size_t index);
67   void reset_segment(BitMap::idx_t segment);
68 
69   void iterate_segment(ObjectClosure* cl, BitMap::idx_t segment, uintptr_t page_start, size_t page_object_alignment_shift);
70 
71 public:
72   ZLiveMap(uint32_t size);
73 
74   void reset();
75   void resize(uint32_t size);
76 
77   bool is_marked() const;
78 
79   uint32_t live_objects() const;
80   size_t live_bytes() const;
81 
82   bool get(size_t index) const;
83   bool set_atomic(size_t index, bool finalizable, bool& inc_live);
84 
85   void inc_live_atomic(uint32_t objects, size_t bytes);
86 
87   void iterate(ObjectClosure* cl, uintptr_t page_start, size_t page_object_alignment_shift);
88 };
89 
90 #endif // SHARE_GC_Z_ZLIVEMAP_HPP

38   volatile uint32_t _seqnum;
39   volatile uint32_t _live_objects;
40   volatile size_t   _live_bytes;
41   BitMap::bm_word_t _segment_live_bits;
42   BitMap::bm_word_t _segment_claim_bits;
43   ZBitMap           _bitmap;
44   size_t            _segment_shift;
45 
46   const BitMapView segment_live_bits() const;
47   const BitMapView segment_claim_bits() const;
48 
49   BitMapView segment_live_bits();
50   BitMapView segment_claim_bits();
51 
52   BitMap::idx_t segment_size() const;
53 
54   BitMap::idx_t segment_start(BitMap::idx_t segment) const;
55   BitMap::idx_t segment_end(BitMap::idx_t segment) const;
56 
57   bool is_segment_live(BitMap::idx_t segment) const;
58   bool set_segment_live(BitMap::idx_t segment);
59 
60   BitMap::idx_t first_live_segment() const;
61   BitMap::idx_t next_live_segment(BitMap::idx_t segment) const;
62   BitMap::idx_t index_to_segment(BitMap::idx_t index) const;
63 
64   bool claim_segment(BitMap::idx_t segment);
65 
66   void reset(size_t index);
67   void reset_segment(BitMap::idx_t segment);
68 
69   void iterate_segment(ObjectClosure* cl, BitMap::idx_t segment, uintptr_t page_start, size_t page_object_alignment_shift);
70 
71 public:
72   ZLiveMap(uint32_t size);
73 
74   void reset();
75   void resize(uint32_t size);
76 
77   bool is_marked() const;
78 
79   uint32_t live_objects() const;
80   size_t live_bytes() const;
81 
82   bool get(size_t index) const;
83   bool set(size_t index, bool finalizable, bool& inc_live);
84 
85   void inc_live(uint32_t objects, size_t bytes);
86 
87   void iterate(ObjectClosure* cl, uintptr_t page_start, size_t page_object_alignment_shift);
88 };
89 
90 #endif // SHARE_GC_Z_ZLIVEMAP_HPP