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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 #ifndef V8_HEAP_HEAP_INL_H_ | 5 #ifndef V8_HEAP_HEAP_INL_H_ |
6 #define V8_HEAP_HEAP_INL_H_ | 6 #define V8_HEAP_HEAP_INL_H_ |
7 | 7 |
8 #include <cmath> | 8 #include <cmath> |
9 | 9 |
10 #include "src/base/platform/platform.h" | 10 #include "src/base/platform/platform.h" |
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388 NewSpacePage* page = NewSpacePage::FromAddress(old_address); | 388 NewSpacePage* page = NewSpacePage::FromAddress(old_address); |
389 Address age_mark = new_space_.age_mark(); | 389 Address age_mark = new_space_.age_mark(); |
390 return page->IsFlagSet(MemoryChunk::NEW_SPACE_BELOW_AGE_MARK) && | 390 return page->IsFlagSet(MemoryChunk::NEW_SPACE_BELOW_AGE_MARK) && |
391 (!page->ContainsLimit(age_mark) || old_address < age_mark); | 391 (!page->ContainsLimit(age_mark) || old_address < age_mark); |
392 } | 392 } |
393 | 393 |
394 void Heap::RecordWrite(Object* object, int offset, Object* o) { | 394 void Heap::RecordWrite(Object* object, int offset, Object* o) { |
395 if (!InNewSpace(o) || !object->IsHeapObject() || InNewSpace(object)) { | 395 if (!InNewSpace(o) || !object->IsHeapObject() || InNewSpace(object)) { |
396 return; | 396 return; |
397 } | 397 } |
398 store_buffer_.Mark(HeapObject::cast(object)->address() + offset); | 398 Page* page = Page::FromAddress(reinterpret_cast<Address>(object)); |
| 399 Address slot = HeapObject::cast(object)->address() + offset; |
| 400 RememberedSet<OLD_TO_NEW>::Insert(page, slot); |
399 } | 401 } |
400 | 402 |
401 | 403 |
402 bool Heap::AllowedToBeMigrated(HeapObject* obj, AllocationSpace dst) { | 404 bool Heap::AllowedToBeMigrated(HeapObject* obj, AllocationSpace dst) { |
403 // Object migration is governed by the following rules: | 405 // Object migration is governed by the following rules: |
404 // | 406 // |
405 // 1) Objects in new-space can be migrated to the old space | 407 // 1) Objects in new-space can be migrated to the old space |
406 // that matches their target space or they stay in new-space. | 408 // that matches their target space or they stay in new-space. |
407 // 2) Objects in old-space stay in the same space when migrating. | 409 // 2) Objects in old-space stay in the same space when migrating. |
408 // 3) Fillers (two or more words) can migrate due to left-trimming of | 410 // 3) Fillers (two or more words) can migrate due to left-trimming of |
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725 | 727 |
726 void VerifySmisVisitor::VisitPointers(Object** start, Object** end) { | 728 void VerifySmisVisitor::VisitPointers(Object** start, Object** end) { |
727 for (Object** current = start; current < end; current++) { | 729 for (Object** current = start; current < end; current++) { |
728 CHECK((*current)->IsSmi()); | 730 CHECK((*current)->IsSmi()); |
729 } | 731 } |
730 } | 732 } |
731 } // namespace internal | 733 } // namespace internal |
732 } // namespace v8 | 734 } // namespace v8 |
733 | 735 |
734 #endif // V8_HEAP_HEAP_INL_H_ | 736 #endif // V8_HEAP_HEAP_INL_H_ |
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