OLD | NEW |
| (Empty) |
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_ | |
OLD | NEW |