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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "v8.h" | 5 #include "v8.h" |
6 | 6 |
7 #include "incremental-marking.h" | 7 #include "incremental-marking.h" |
8 | 8 |
9 #include "code-stubs.h" | 9 #include "code-stubs.h" |
10 #include "compilation-cache.h" | 10 #include "compilation-cache.h" |
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225 // We will mark cache black with a separate pass when we finish marking. | 225 // We will mark cache black with a separate pass when we finish marking. |
226 // Note that GC can happen when the context is not fully initialized, | 226 // Note that GC can happen when the context is not fully initialized, |
227 // so the cache can be undefined. | 227 // so the cache can be undefined. |
228 Object* cache = context->get(Context::NORMALIZED_MAP_CACHE_INDEX); | 228 Object* cache = context->get(Context::NORMALIZED_MAP_CACHE_INDEX); |
229 if (!cache->IsUndefined()) { | 229 if (!cache->IsUndefined()) { |
230 MarkObjectGreyDoNotEnqueue(cache); | 230 MarkObjectGreyDoNotEnqueue(cache); |
231 } | 231 } |
232 VisitNativeContext(map, context); | 232 VisitNativeContext(map, context); |
233 } | 233 } |
234 | 234 |
235 static void VisitWeakCollection(Map* map, HeapObject* object) { | |
236 Heap* heap = map->GetHeap(); | |
237 VisitPointers(heap, | |
238 HeapObject::RawField(object, | |
239 JSWeakCollection::kPropertiesOffset), | |
240 HeapObject::RawField(object, JSWeakCollection::kSize)); | |
241 } | |
242 | |
243 INLINE(static void VisitPointer(Heap* heap, Object** p)) { | 235 INLINE(static void VisitPointer(Heap* heap, Object** p)) { |
244 Object* obj = *p; | 236 Object* obj = *p; |
245 if (obj->IsHeapObject()) { | 237 if (obj->IsHeapObject()) { |
246 heap->mark_compact_collector()->RecordSlot(p, p, obj); | 238 heap->mark_compact_collector()->RecordSlot(p, p, obj); |
247 MarkObject(heap, obj); | 239 MarkObject(heap, obj); |
248 } | 240 } |
249 } | 241 } |
250 | 242 |
251 INLINE(static void VisitPointers(Heap* heap, Object** start, Object** end)) { | 243 INLINE(static void VisitPointers(Heap* heap, Object** start, Object** end)) { |
252 for (Object** p = start; p < end; p++) { | 244 for (Object** p = start; p < end; p++) { |
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994 bytes_scanned_ = 0; | 986 bytes_scanned_ = 0; |
995 write_barriers_invoked_since_last_step_ = 0; | 987 write_barriers_invoked_since_last_step_ = 0; |
996 } | 988 } |
997 | 989 |
998 | 990 |
999 int64_t IncrementalMarking::SpaceLeftInOldSpace() { | 991 int64_t IncrementalMarking::SpaceLeftInOldSpace() { |
1000 return heap_->MaxOldGenerationSize() - heap_->PromotedSpaceSizeOfObjects(); | 992 return heap_->MaxOldGenerationSize() - heap_->PromotedSpaceSizeOfObjects(); |
1001 } | 993 } |
1002 | 994 |
1003 } } // namespace v8::internal | 995 } } // namespace v8::internal |
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