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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 #include "src/store-buffer.h" | 5 #include "src/store-buffer.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "src/v8.h" | 9 #include "src/v8.h" |
10 | 10 |
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545 FindPointersToNewSpaceInRegion(start, end, slot_callback, clear_maps); | 545 FindPointersToNewSpaceInRegion(start, end, slot_callback, clear_maps); |
546 } else { | 546 } else { |
547 Page* page = reinterpret_cast<Page*>(chunk); | 547 Page* page = reinterpret_cast<Page*>(chunk); |
548 PagedSpace* owner = reinterpret_cast<PagedSpace*>(page->owner()); | 548 PagedSpace* owner = reinterpret_cast<PagedSpace*>(page->owner()); |
549 Address start = page->area_start(); | 549 Address start = page->area_start(); |
550 Address end = page->area_end(); | 550 Address end = page->area_end(); |
551 if (owner == heap_->map_space()) { | 551 if (owner == heap_->map_space()) { |
552 FindPointersToNewSpaceInMapsRegion( | 552 FindPointersToNewSpaceInMapsRegion( |
553 start, end, slot_callback, clear_maps); | 553 start, end, slot_callback, clear_maps); |
554 } else { | 554 } else { |
555 FindPointersToNewSpaceInRegion( | 555 ASSERT(page->WasSweptPrecisely()); |
556 start, end, slot_callback, clear_maps); | 556 HeapObjectIterator iterator(page, NULL); |
557 for (HeapObject* heap_object = iterator.Next(); | |
558 heap_object != NULL; | |
559 heap_object = iterator.Next()) { | |
560 // We skip filler, free space, and constant pool objects. | |
rmcilroy
2014/07/02 12:39:07
Could you add back the old comment here please:
/
| |
561 if (!heap_object->IsFiller() && | |
562 !heap_object->IsConstantPoolArray()) { | |
563 FindPointersToNewSpaceInRegion( | |
564 heap_object->address() + HeapObject::kHeaderSize, | |
565 heap_object->address() + heap_object->Size(), | |
566 slot_callback, | |
567 clear_maps); | |
568 } | |
569 } | |
557 } | 570 } |
558 } | 571 } |
559 } | 572 } |
560 } | 573 } |
561 if (callback_ != NULL) { | 574 if (callback_ != NULL) { |
562 (*callback_)(heap_, NULL, kStoreBufferScanningPageEvent); | 575 (*callback_)(heap_, NULL, kStoreBufferScanningPageEvent); |
563 } | 576 } |
564 } | 577 } |
565 } | 578 } |
566 | 579 |
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612 } | 625 } |
613 old_buffer_is_sorted_ = false; | 626 old_buffer_is_sorted_ = false; |
614 old_buffer_is_filtered_ = false; | 627 old_buffer_is_filtered_ = false; |
615 *old_top_++ = reinterpret_cast<Address>(int_addr << kPointerSizeLog2); | 628 *old_top_++ = reinterpret_cast<Address>(int_addr << kPointerSizeLog2); |
616 ASSERT(old_top_ <= old_limit_); | 629 ASSERT(old_top_ <= old_limit_); |
617 } | 630 } |
618 heap_->isolate()->counters()->store_buffer_compactions()->Increment(); | 631 heap_->isolate()->counters()->store_buffer_compactions()->Increment(); |
619 } | 632 } |
620 | 633 |
621 } } // namespace v8::internal | 634 } } // namespace v8::internal |
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