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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef V8_STORE_BUFFER_INL_H_ | |
| 6 #define V8_STORE_BUFFER_INL_H_ | |
| 7 | |
| 8 #include "src/store-buffer.h" | |
| 9 | |
| 10 namespace v8 { | |
| 11 namespace internal { | |
| 12 | |
| 13 Address StoreBuffer::TopAddress() { | |
| 14 return reinterpret_cast<Address>(heap_->store_buffer_top_address()); | |
| 15 } | |
| 16 | |
| 17 | |
| 18 void StoreBuffer::Mark(Address addr) { | |
| 19 DCHECK(!heap_->cell_space()->Contains(addr)); | |
| 20 DCHECK(!heap_->code_space()->Contains(addr)); | |
| 21 DCHECK(!heap_->old_data_space()->Contains(addr)); | |
| 22 Address* top = reinterpret_cast<Address*>(heap_->store_buffer_top()); | |
| 23 *top++ = addr; | |
| 24 heap_->public_set_store_buffer_top(top); | |
| 25 if ((reinterpret_cast<uintptr_t>(top) & kStoreBufferOverflowBit) != 0) { | |
| 26 DCHECK(top == limit_); | |
| 27 Compact(); | |
| 28 } else { | |
| 29 DCHECK(top < limit_); | |
| 30 } | |
| 31 } | |
| 32 | |
| 33 | |
| 34 void StoreBuffer::EnterDirectlyIntoStoreBuffer(Address addr) { | |
| 35 if (store_buffer_rebuilding_enabled_) { | |
| 36 SLOW_DCHECK(!heap_->cell_space()->Contains(addr) && | |
| 37 !heap_->code_space()->Contains(addr) && | |
| 38 !heap_->old_data_space()->Contains(addr) && | |
| 39 !heap_->new_space()->Contains(addr)); | |
| 40 Address* top = old_top_; | |
| 41 *top++ = addr; | |
| 42 old_top_ = top; | |
| 43 old_buffer_is_sorted_ = false; | |
| 44 old_buffer_is_filtered_ = false; | |
| 45 if (top >= old_limit_) { | |
| 46 DCHECK(callback_ != NULL); | |
| 47 (*callback_)(heap_, | |
| 48 MemoryChunk::FromAnyPointerAddress(heap_, addr), | |
| 49 kStoreBufferFullEvent); | |
| 50 } | |
| 51 } | |
| 52 } | |
| 53 | |
| 54 | |
| 55 void StoreBuffer::ClearDeadObject(HeapObject* object) { | |
| 56 Address& map_field = Memory::Address_at(object->address()); | |
| 57 if (heap_->map_space()->Contains(map_field)) { | |
| 58 map_field = NULL; | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 | |
| 63 } } // namespace v8::internal | |
| 64 | |
| 65 #endif // V8_STORE_BUFFER_INL_H_ | |
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