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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/store_buffer.h" | 5 #include "vm/store_buffer.h" |
6 | 6 |
7 #include "platform/assert.h" | 7 #include "platform/assert.h" |
8 | 8 |
9 namespace dart { | 9 namespace dart { |
10 | 10 |
11 void StoreBufferBlock::ProcessBuffer() { | 11 void StoreBufferBlock::ProcessBuffer() { |
12 // TODO(iposva): Do the right thing for store buffer overflow. | 12 // TODO(iposva): Do the right thing for store buffer overflow. |
13 top_ = 0; // Currently just reset back to the beginning. | 13 top_ = 0; // Currently just reset back to the beginning. |
14 } | 14 } |
15 | 15 |
16 | 16 |
17 bool StoreBufferBlock::Contains(uword pointer) { | 17 bool StoreBufferBlock::Contains(uword pointer) { |
18 for (int32_t i = 0; i < top_; i++) { | 18 for (int32_t i = 0; i < top_; i++) { |
19 if (pointers_[i] == pointer) { | 19 if (pointers_[i] == pointer) { |
20 return true; | 20 return true; |
21 } | 21 } |
22 } | 22 } |
23 return false; | 23 return false; |
24 } | 24 } |
25 | 25 |
| 26 |
| 27 StoreBuffer::~StoreBuffer() { |
| 28 DedupSet* current = dedup_sets_; |
| 29 dedup_sets_ = NULL; |
| 30 while (current != NULL) { |
| 31 DedupSet* next = current->next_; |
| 32 delete current; |
| 33 current = next; |
| 34 } |
| 35 } |
| 36 |
| 37 |
| 38 void StoreBuffer::AddPointer(uword address) { |
| 39 ASSERT(dedup_sets_ != NULL); |
| 40 if (!dedup_sets_->set_->Add(address)) { |
| 41 // TODO(iposva): Limit growth of deduplication sets until the rest of the |
| 42 // mechanism is hooked up. |
| 43 delete dedup_sets_; |
| 44 dedup_sets_ = NULL; |
| 45 |
| 46 DedupSet* fresh_element = new DedupSet(); |
| 47 fresh_element->next_ = dedup_sets_; |
| 48 dedup_sets_ = fresh_element; |
| 49 } |
| 50 } |
| 51 |
26 } // namespace dart | 52 } // namespace dart |
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