115 inline bool
116 HeapRegion::block_is_obj(const HeapWord* p) const {
117 G1CollectedHeap* g1h = G1CollectedHeap::heap();
118 if (ClassUnloadingWithConcurrentMark) {
119 return !g1h->is_obj_dead(oop(p), this);
120 }
121 return p < top();
122 }
123
124 inline size_t
125 HeapRegion::block_size(const HeapWord *addr) const {
126 if (addr == top()) {
127 return pointer_delta(end(), addr);
128 }
129
130 if (block_is_obj(addr)) {
131 return oop(addr)->size();
132 }
133
134 assert(ClassUnloadingWithConcurrentMark,
135 err_msg("All blocks should be objects if G1 Class Unloading isn't used. "
136 "HR: [" PTR_FORMAT ", " PTR_FORMAT ", " PTR_FORMAT ") "
137 "addr: " PTR_FORMAT,
138 p2i(bottom()), p2i(top()), p2i(end()), p2i(addr)));
139
140 // Old regions' dead objects may have dead classes
141 // We need to find the next live object in some other
142 // manner than getting the oop size
143 G1CollectedHeap* g1h = G1CollectedHeap::heap();
144 HeapWord* next = g1h->concurrent_mark()->prevMarkBitMap()->
145 getNextMarkedWordAddress(addr, prev_top_at_mark_start());
146
147 assert(next > addr, "must get the next live object");
148 return pointer_delta(next, addr);
149 }
150
151 inline HeapWord* HeapRegion::par_allocate_no_bot_updates(size_t min_word_size,
152 size_t desired_word_size,
153 size_t* actual_word_size) {
154 assert(is_young(), "we can only skip BOT updates on young regions");
155 return par_allocate_impl(min_word_size, desired_word_size, actual_word_size);
156 }
157
158 inline HeapWord* HeapRegion::allocate_no_bot_updates(size_t word_size) {
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115 inline bool
116 HeapRegion::block_is_obj(const HeapWord* p) const {
117 G1CollectedHeap* g1h = G1CollectedHeap::heap();
118 if (ClassUnloadingWithConcurrentMark) {
119 return !g1h->is_obj_dead(oop(p), this);
120 }
121 return p < top();
122 }
123
124 inline size_t
125 HeapRegion::block_size(const HeapWord *addr) const {
126 if (addr == top()) {
127 return pointer_delta(end(), addr);
128 }
129
130 if (block_is_obj(addr)) {
131 return oop(addr)->size();
132 }
133
134 assert(ClassUnloadingWithConcurrentMark,
135 "All blocks should be objects if G1 Class Unloading isn't used. "
136 "HR: [" PTR_FORMAT ", " PTR_FORMAT ", " PTR_FORMAT ") "
137 "addr: " PTR_FORMAT,
138 p2i(bottom()), p2i(top()), p2i(end()), p2i(addr));
139
140 // Old regions' dead objects may have dead classes
141 // We need to find the next live object in some other
142 // manner than getting the oop size
143 G1CollectedHeap* g1h = G1CollectedHeap::heap();
144 HeapWord* next = g1h->concurrent_mark()->prevMarkBitMap()->
145 getNextMarkedWordAddress(addr, prev_top_at_mark_start());
146
147 assert(next > addr, "must get the next live object");
148 return pointer_delta(next, addr);
149 }
150
151 inline HeapWord* HeapRegion::par_allocate_no_bot_updates(size_t min_word_size,
152 size_t desired_word_size,
153 size_t* actual_word_size) {
154 assert(is_young(), "we can only skip BOT updates on young regions");
155 return par_allocate_impl(min_word_size, desired_word_size, actual_word_size);
156 }
157
158 inline HeapWord* HeapRegion::allocate_no_bot_updates(size_t word_size) {
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