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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 "src/heap/heap.h" | 5 #include "src/heap/heap.h" |
| 6 | 6 |
| 7 #include "src/accessors.h" | 7 #include "src/accessors.h" |
| 8 #include "src/api.h" | 8 #include "src/api.h" |
| 9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
| 10 #include "src/base/once.h" | 10 #include "src/base/once.h" |
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| 2680 | 2680 |
| 2681 // Allocate object to hold object observation state. | 2681 // Allocate object to hold object observation state. |
| 2682 set_observation_state(*factory->NewJSObjectFromMap( | 2682 set_observation_state(*factory->NewJSObjectFromMap( |
| 2683 factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize))); | 2683 factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize))); |
| 2684 | 2684 |
| 2685 // Microtask queue uses the empty fixed array as a sentinel for "empty". | 2685 // Microtask queue uses the empty fixed array as a sentinel for "empty". |
| 2686 // Number of queued microtasks stored in Isolate::pending_microtask_count(). | 2686 // Number of queued microtasks stored in Isolate::pending_microtask_count(). |
| 2687 set_microtask_queue(empty_fixed_array()); | 2687 set_microtask_queue(empty_fixed_array()); |
| 2688 | 2688 |
| 2689 { | 2689 { |
| 2690 Code::Kind kinds[] = {Code::LOAD_IC, Code::KEYED_LOAD_IC, Code::STORE_IC, | 2690 FeedbackVectorSlotKind kinds[] = {FeedbackVectorSlotKind::LOAD_IC, |
| 2691 Code::KEYED_STORE_IC}; | 2691 FeedbackVectorSlotKind::KEYED_LOAD_IC, |
| 2692 FeedbackVectorSlotKind::STORE_IC, |
| 2693 FeedbackVectorSlotKind::KEYED_STORE_IC}; |
| 2692 FeedbackVectorSpec spec(0, 4, kinds); | 2694 FeedbackVectorSpec spec(0, 4, kinds); |
| 2693 Handle<TypeFeedbackVector> dummy_vector = | 2695 Handle<TypeFeedbackVector> dummy_vector = |
| 2694 factory->NewTypeFeedbackVector(&spec); | 2696 factory->NewTypeFeedbackVector(&spec); |
| 2695 for (int i = 0; i < 4; i++) { | 2697 for (int i = 0; i < 4; i++) { |
| 2696 dummy_vector->Set(FeedbackVectorICSlot(0), | 2698 dummy_vector->Set(FeedbackVectorICSlot(0), |
| 2697 *TypeFeedbackVector::MegamorphicSentinel(isolate()), | 2699 *TypeFeedbackVector::MegamorphicSentinel(isolate()), |
| 2698 SKIP_WRITE_BARRIER); | 2700 SKIP_WRITE_BARRIER); |
| 2699 } | 2701 } |
| 2700 set_dummy_vector(*dummy_vector); | 2702 set_dummy_vector(*dummy_vector); |
| 2701 } | 2703 } |
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| 6105 } | 6107 } |
| 6106 | 6108 |
| 6107 | 6109 |
| 6108 // static | 6110 // static |
| 6109 int Heap::GetStaticVisitorIdForMap(Map* map) { | 6111 int Heap::GetStaticVisitorIdForMap(Map* map) { |
| 6110 return StaticVisitorBase::GetVisitorId(map); | 6112 return StaticVisitorBase::GetVisitorId(map); |
| 6111 } | 6113 } |
| 6112 | 6114 |
| 6113 } // namespace internal | 6115 } // namespace internal |
| 6114 } // namespace v8 | 6116 } // namespace v8 |
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