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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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_SPACES_INL_H_ | 5 #ifndef V8_HEAP_SPACES_INL_H_ |
6 #define V8_HEAP_SPACES_INL_H_ | 6 #define V8_HEAP_SPACES_INL_H_ |
7 | 7 |
8 #include "src/heap/incremental-marking.h" | 8 #include "src/heap/incremental-marking.h" |
9 #include "src/heap/spaces.h" | 9 #include "src/heap/spaces.h" |
10 #include "src/isolate.h" | 10 #include "src/isolate.h" |
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27 operator++(); | 27 operator++(); |
28 return tmp; | 28 return tmp; |
29 } | 29 } |
30 | 30 |
31 NewSpacePageRange::NewSpacePageRange(Address start, Address limit) | 31 NewSpacePageRange::NewSpacePageRange(Address start, Address limit) |
32 : range_(Page::FromAddress(start), | 32 : range_(Page::FromAddress(start), |
33 Page::FromAllocationAreaAddress(limit)->next_page()) { | 33 Page::FromAllocationAreaAddress(limit)->next_page()) { |
34 SemiSpace::AssertValidRange(start, limit); | 34 SemiSpace::AssertValidRange(start, limit); |
35 } | 35 } |
36 | 36 |
37 // ----------------------------------------------------------------------------- | |
38 // Bitmap | |
39 | |
40 void Bitmap::Clear(MemoryChunk* chunk) { | |
41 Bitmap* bitmap = chunk->markbits(); | |
42 for (int i = 0; i < bitmap->CellsCount(); i++) bitmap->cells()[i] = 0; | |
43 chunk->ResetLiveBytes(); | |
44 } | |
45 | |
46 void Bitmap::SetAllBits(MemoryChunk* chunk) { | |
47 Bitmap* bitmap = chunk->markbits(); | |
48 for (int i = 0; i < bitmap->CellsCount(); i++) | |
49 bitmap->cells()[i] = 0xffffffff; | |
50 } | |
51 | |
52 | 37 |
53 // ----------------------------------------------------------------------------- | 38 // ----------------------------------------------------------------------------- |
54 // SemiSpaceIterator | 39 // SemiSpaceIterator |
55 | 40 |
56 HeapObject* SemiSpaceIterator::Next() { | 41 HeapObject* SemiSpaceIterator::Next() { |
57 while (current_ != limit_) { | 42 while (current_ != limit_) { |
58 if (Page::IsAlignedToPageSize(current_)) { | 43 if (Page::IsAlignedToPageSize(current_)) { |
59 Page* page = Page::FromAllocationAreaAddress(current_); | 44 Page* page = Page::FromAllocationAreaAddress(current_); |
60 page = page->next_page(); | 45 page = page->next_page(); |
61 DCHECK(!page->is_anchor()); | 46 DCHECK(!page->is_anchor()); |
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646 other->allocation_info_.Reset(nullptr, nullptr); | 631 other->allocation_info_.Reset(nullptr, nullptr); |
647 return true; | 632 return true; |
648 } | 633 } |
649 return false; | 634 return false; |
650 } | 635 } |
651 | 636 |
652 } // namespace internal | 637 } // namespace internal |
653 } // namespace v8 | 638 } // namespace v8 |
654 | 639 |
655 #endif // V8_HEAP_SPACES_INL_H_ | 640 #endif // V8_HEAP_SPACES_INL_H_ |
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