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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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108 | 108 |
109 // During a full GC, there is a stack-allocated GCTracer that is used for | 109 // During a full GC, there is a stack-allocated GCTracer that is used for |
110 // bookkeeping information. Return a pointer to that tracer. | 110 // bookkeeping information. Return a pointer to that tracer. |
111 static GCTracer* tracer() { return tracer_; } | 111 static GCTracer* tracer() { return tracer_; } |
112 | 112 |
113 #ifdef DEBUG | 113 #ifdef DEBUG |
114 // Checks whether performing mark-compact collection. | 114 // Checks whether performing mark-compact collection. |
115 static bool in_use() { return state_ > PREPARE_GC; } | 115 static bool in_use() { return state_ > PREPARE_GC; } |
116 #endif | 116 #endif |
117 | 117 |
| 118 // Determine type of object and emit deletion log event. |
| 119 static void ReportDeleteIfNeeded(HeapObject* obj); |
| 120 |
118 private: | 121 private: |
119 #ifdef DEBUG | 122 #ifdef DEBUG |
120 enum CollectorState { | 123 enum CollectorState { |
121 IDLE, | 124 IDLE, |
122 PREPARE_GC, | 125 PREPARE_GC, |
123 MARK_LIVE_OBJECTS, | 126 MARK_LIVE_OBJECTS, |
124 SWEEP_SPACES, | 127 SWEEP_SPACES, |
125 ENCODE_FORWARDING_ADDRESSES, | 128 ENCODE_FORWARDING_ADDRESSES, |
126 UPDATE_POINTERS, | 129 UPDATE_POINTERS, |
127 RELOCATE_OBJECTS, | 130 RELOCATE_OBJECTS, |
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433 | 436 |
434 friend class UnmarkObjectVisitor; | 437 friend class UnmarkObjectVisitor; |
435 static void UnmarkObject(HeapObject* obj); | 438 static void UnmarkObject(HeapObject* obj); |
436 #endif | 439 #endif |
437 }; | 440 }; |
438 | 441 |
439 | 442 |
440 } } // namespace v8::internal | 443 } } // namespace v8::internal |
441 | 444 |
442 #endif // V8_MARK_COMPACT_H_ | 445 #endif // V8_MARK_COMPACT_H_ |
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