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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/v8.h" | 5 #include "src/v8.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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1553 | 1553 |
1554 new_space_front = DoScavenge(&scavenge_visitor, new_space_front); | 1554 new_space_front = DoScavenge(&scavenge_visitor, new_space_front); |
1555 | 1555 |
1556 while (isolate()->global_handles()->IterateObjectGroups( | 1556 while (isolate()->global_handles()->IterateObjectGroups( |
1557 &scavenge_visitor, &IsUnscavengedHeapObject)) { | 1557 &scavenge_visitor, &IsUnscavengedHeapObject)) { |
1558 new_space_front = DoScavenge(&scavenge_visitor, new_space_front); | 1558 new_space_front = DoScavenge(&scavenge_visitor, new_space_front); |
1559 } | 1559 } |
1560 isolate()->global_handles()->RemoveObjectGroups(); | 1560 isolate()->global_handles()->RemoveObjectGroups(); |
1561 isolate()->global_handles()->RemoveImplicitRefGroups(); | 1561 isolate()->global_handles()->RemoveImplicitRefGroups(); |
1562 | 1562 |
1563 isolate_->global_handles()->IdentifyNewSpaceWeakIndependentHandles( | 1563 isolate()->global_handles()->IdentifyNewSpaceWeakIndependentHandles( |
1564 &IsUnscavengedHeapObject); | 1564 &IsUnscavengedHeapObject); |
1565 isolate_->global_handles()->IterateNewSpaceWeakIndependentRoots( | 1565 |
| 1566 isolate()->global_handles()->IterateNewSpaceWeakIndependentRoots( |
1566 &scavenge_visitor); | 1567 &scavenge_visitor); |
1567 new_space_front = DoScavenge(&scavenge_visitor, new_space_front); | 1568 new_space_front = DoScavenge(&scavenge_visitor, new_space_front); |
1568 | 1569 |
1569 UpdateNewSpaceReferencesInExternalStringTable( | 1570 UpdateNewSpaceReferencesInExternalStringTable( |
1570 &UpdateNewSpaceReferenceInExternalStringTableEntry); | 1571 &UpdateNewSpaceReferenceInExternalStringTableEntry); |
1571 | 1572 |
1572 promotion_queue_.Destroy(); | 1573 promotion_queue_.Destroy(); |
1573 | 1574 |
1574 incremental_marking()->UpdateMarkingDequeAfterScavenge(); | 1575 incremental_marking()->UpdateMarkingDequeAfterScavenge(); |
1575 | 1576 |
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1660 UpdateNewSpaceReferencesInExternalStringTable(updater_func); | 1661 UpdateNewSpaceReferencesInExternalStringTable(updater_func); |
1661 } | 1662 } |
1662 | 1663 |
1663 | 1664 |
1664 void Heap::ProcessWeakReferences(WeakObjectRetainer* retainer) { | 1665 void Heap::ProcessWeakReferences(WeakObjectRetainer* retainer) { |
1665 ProcessArrayBuffers(retainer); | 1666 ProcessArrayBuffers(retainer); |
1666 ProcessNativeContexts(retainer); | 1667 ProcessNativeContexts(retainer); |
1667 // TODO(mvstanton): AllocationSites only need to be processed during | 1668 // TODO(mvstanton): AllocationSites only need to be processed during |
1668 // MARK_COMPACT, as they live in old space. Verify and address. | 1669 // MARK_COMPACT, as they live in old space. Verify and address. |
1669 ProcessAllocationSites(retainer); | 1670 ProcessAllocationSites(retainer); |
| 1671 // Collects callback info for handles that are pending (about to be |
| 1672 // collected) and either phantom or internal-fields. Releases the global |
| 1673 // handles. See also PostGarbageCollectionProcessing. |
| 1674 isolate()->global_handles()->CollectPhantomCallbackData(); |
1670 } | 1675 } |
1671 | 1676 |
1672 | 1677 |
1673 void Heap::ProcessNativeContexts(WeakObjectRetainer* retainer) { | 1678 void Heap::ProcessNativeContexts(WeakObjectRetainer* retainer) { |
1674 Object* head = VisitWeakList<Context>(this, native_contexts_list(), retainer); | 1679 Object* head = VisitWeakList<Context>(this, native_contexts_list(), retainer); |
1675 // Update the head of the list of contexts. | 1680 // Update the head of the list of contexts. |
1676 set_native_contexts_list(head); | 1681 set_native_contexts_list(head); |
1677 } | 1682 } |
1678 | 1683 |
1679 | 1684 |
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6395 static_cast<int>(object_sizes_last_time_[index])); | 6400 static_cast<int>(object_sizes_last_time_[index])); |
6396 CODE_AGE_LIST_COMPLETE(ADJUST_LAST_TIME_OBJECT_COUNT) | 6401 CODE_AGE_LIST_COMPLETE(ADJUST_LAST_TIME_OBJECT_COUNT) |
6397 #undef ADJUST_LAST_TIME_OBJECT_COUNT | 6402 #undef ADJUST_LAST_TIME_OBJECT_COUNT |
6398 | 6403 |
6399 MemCopy(object_counts_last_time_, object_counts_, sizeof(object_counts_)); | 6404 MemCopy(object_counts_last_time_, object_counts_, sizeof(object_counts_)); |
6400 MemCopy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_)); | 6405 MemCopy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_)); |
6401 ClearObjectStats(); | 6406 ClearObjectStats(); |
6402 } | 6407 } |
6403 } | 6408 } |
6404 } // namespace v8::internal | 6409 } // namespace v8::internal |
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