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Side by Side Diff: src/heap/store-buffer.h

Issue 957273002: Remove slots that point to unboxed doubles from the StoreBuffer/SlotsBuffer. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: StoreBuffer issue addressed Created 5 years, 9 months ago
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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_STORE_BUFFER_H_ 5 #ifndef V8_STORE_BUFFER_H_
6 #define V8_STORE_BUFFER_H_ 6 #define V8_STORE_BUFFER_H_
7 7
8 #include "src/allocation.h" 8 #include "src/allocation.h"
9 #include "src/base/logging.h" 9 #include "src/base/logging.h"
10 #include "src/base/platform/platform.h" 10 #include "src/base/platform/platform.h"
(...skipping 87 matching lines...) Expand 10 before | Expand all | Expand 10 after
98 bool PrepareForIteration(); 98 bool PrepareForIteration();
99 99
100 #ifdef DEBUG 100 #ifdef DEBUG
101 void Clean(); 101 void Clean();
102 // Slow, for asserts only. 102 // Slow, for asserts only.
103 bool CellIsInStoreBuffer(Address cell); 103 bool CellIsInStoreBuffer(Address cell);
104 #endif 104 #endif
105 105
106 void Filter(int flag); 106 void Filter(int flag);
107 107
108
109 // Returns number of slots stored in the slots buffer.
Hannes Payer (out of office) 2015/03/03 09:48:53 store buffer
Igor Sheludko 2015/03/04 14:54:20 Done.
110 int SizeForTesting();
111
112 // Removes all the slots in [start_address, end_address) range from the store
113 // buffer.
114 void RemoveSlots(Address start_address, Address end_address);
115
108 private: 116 private:
109 Heap* heap_; 117 Heap* heap_;
110 118
111 // The store buffer is divided up into a new buffer that is constantly being 119 // The store buffer is divided up into a new buffer that is constantly being
112 // filled by mutator activity and an old buffer that is filled with the data 120 // filled by mutator activity and an old buffer that is filled with the data
113 // from the new buffer after compression. 121 // from the new buffer after compression.
114 Address* start_; 122 Address* start_;
115 Address* limit_; 123 Address* limit_;
116 124
117 Address* old_start_; 125 Address* old_start_;
(...skipping 97 matching lines...) Expand 10 before | Expand all | Expand 10 after
215 } 223 }
216 224
217 private: 225 private:
218 StoreBuffer* store_buffer_; 226 StoreBuffer* store_buffer_;
219 bool stored_state_; 227 bool stored_state_;
220 }; 228 };
221 } 229 }
222 } // namespace v8::internal 230 } // namespace v8::internal
223 231
224 #endif // V8_STORE_BUFFER_H_ 232 #endif // V8_STORE_BUFFER_H_
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