104 }
105
106 inline bool ZLiveMap::set(size_t index, bool finalizable, bool& inc_live) {
107 if (!is_marked()) {
108 // First object to be marked during this
109 // cycle, reset marking information.
110 reset(index);
111 }
112
113 const BitMap::idx_t segment = index_to_segment(index);
114 if (!is_segment_live(segment)) {
115 // First object to be marked in this segment during
116 // this cycle, reset segment bitmap.
117 reset_segment(segment);
118 }
119
120 return _bitmap.par_set_bit_pair(index, finalizable, inc_live);
121 }
122
123 inline void ZLiveMap::inc_live(uint32_t objects, size_t bytes) {
124 Atomic::add(objects, &_live_objects);
125 Atomic::add(bytes, &_live_bytes);
126 }
127
128 inline BitMap::idx_t ZLiveMap::segment_start(BitMap::idx_t segment) const {
129 return segment_size() * segment;
130 }
131
132 inline BitMap::idx_t ZLiveMap::segment_end(BitMap::idx_t segment) const {
133 return segment_start(segment) + segment_size();
134 }
135
136 inline void ZLiveMap::iterate_segment(ObjectClosure* cl, BitMap::idx_t segment, uintptr_t page_start, size_t page_object_alignment_shift) {
137 assert(is_segment_live(segment), "Must be");
138
139 const BitMap::idx_t start_index = segment_start(segment);
140 const BitMap::idx_t end_index = segment_end(segment);
141 BitMap::idx_t index = _bitmap.get_next_one_offset(start_index, end_index);
142
143 while (index < end_index) {
144 // Calculate object address
145 const uintptr_t addr = page_start + ((index / 2) << page_object_alignment_shift);
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104 }
105
106 inline bool ZLiveMap::set(size_t index, bool finalizable, bool& inc_live) {
107 if (!is_marked()) {
108 // First object to be marked during this
109 // cycle, reset marking information.
110 reset(index);
111 }
112
113 const BitMap::idx_t segment = index_to_segment(index);
114 if (!is_segment_live(segment)) {
115 // First object to be marked in this segment during
116 // this cycle, reset segment bitmap.
117 reset_segment(segment);
118 }
119
120 return _bitmap.par_set_bit_pair(index, finalizable, inc_live);
121 }
122
123 inline void ZLiveMap::inc_live(uint32_t objects, size_t bytes) {
124 Atomic::add(&_live_objects, objects);
125 Atomic::add(&_live_bytes, bytes);
126 }
127
128 inline BitMap::idx_t ZLiveMap::segment_start(BitMap::idx_t segment) const {
129 return segment_size() * segment;
130 }
131
132 inline BitMap::idx_t ZLiveMap::segment_end(BitMap::idx_t segment) const {
133 return segment_start(segment) + segment_size();
134 }
135
136 inline void ZLiveMap::iterate_segment(ObjectClosure* cl, BitMap::idx_t segment, uintptr_t page_start, size_t page_object_alignment_shift) {
137 assert(is_segment_live(segment), "Must be");
138
139 const BitMap::idx_t start_index = segment_start(segment);
140 const BitMap::idx_t end_index = segment_end(segment);
141 BitMap::idx_t index = _bitmap.get_next_one_offset(start_index, end_index);
142
143 while (index < end_index) {
144 // Calculate object address
145 const uintptr_t addr = page_start + ((index / 2) << page_object_alignment_shift);
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