OLD | NEW |
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 |
(...skipping 111 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
122 // page as input, and is updated to contain the offset to be used for the | 122 // page as input, and is updated to contain the offset to be used for the |
123 // next live object in the same page. For spaces using a different | 123 // next live object in the same page. For spaces using a different |
124 // encoding (ie, contiguous spaces), the offset parameter is ignored. | 124 // encoding (ie, contiguous spaces), the offset parameter is ignored. |
125 typedef void (*EncodingFunction)(Heap* heap, | 125 typedef void (*EncodingFunction)(Heap* heap, |
126 HeapObject* old_object, | 126 HeapObject* old_object, |
127 int object_size, | 127 int object_size, |
128 Object* new_object, | 128 Object* new_object, |
129 int* offset); | 129 int* offset); |
130 | 130 |
131 // Type of functions to process non-live objects. | 131 // Type of functions to process non-live objects. |
132 typedef void (*ProcessNonLiveFunction)(HeapObject* object); | 132 typedef void (*ProcessNonLiveFunction)(HeapObject* object, Isolate* isolate); |
133 | 133 |
134 // Pointer to member function, used in IterateLiveObjects. | 134 // Pointer to member function, used in IterateLiveObjects. |
135 typedef int (MarkCompactCollector::*LiveObjectCallback)(HeapObject* obj); | 135 typedef int (MarkCompactCollector::*LiveObjectCallback)(HeapObject* obj); |
136 | 136 |
137 // Set the global force_compaction flag, it must be called before Prepare | 137 // Set the global force_compaction flag, it must be called before Prepare |
138 // to take effect. | 138 // to take effect. |
139 void SetForceCompaction(bool value) { | 139 void SetForceCompaction(bool value) { |
140 force_compaction_ = value; | 140 force_compaction_ = value; |
141 } | 141 } |
142 | 142 |
(...skipping 29 matching lines...) Expand all Loading... |
172 // bookkeeping information. Return a pointer to that tracer. | 172 // bookkeeping information. Return a pointer to that tracer. |
173 GCTracer* tracer() { return tracer_; } | 173 GCTracer* tracer() { return tracer_; } |
174 | 174 |
175 #ifdef DEBUG | 175 #ifdef DEBUG |
176 // Checks whether performing mark-compact collection. | 176 // Checks whether performing mark-compact collection. |
177 bool in_use() { return state_ > PREPARE_GC; } | 177 bool in_use() { return state_ > PREPARE_GC; } |
178 bool are_map_pointers_encoded() { return state_ == UPDATE_POINTERS; } | 178 bool are_map_pointers_encoded() { return state_ == UPDATE_POINTERS; } |
179 #endif | 179 #endif |
180 | 180 |
181 // Determine type of object and emit deletion log event. | 181 // Determine type of object and emit deletion log event. |
182 static void ReportDeleteIfNeeded(HeapObject* obj); | 182 static void ReportDeleteIfNeeded(HeapObject* obj, Isolate* isolate); |
183 | 183 |
184 // Returns size of a possibly marked object. | 184 // Returns size of a possibly marked object. |
185 static int SizeOfMarkedObject(HeapObject* obj); | 185 static int SizeOfMarkedObject(HeapObject* obj); |
186 | 186 |
187 // Distinguishable invalid map encodings (for single word and multiple words) | 187 // Distinguishable invalid map encodings (for single word and multiple words) |
188 // that indicate free regions. | 188 // that indicate free regions. |
189 static const uint32_t kSingleFreeEncoding = 0; | 189 static const uint32_t kSingleFreeEncoding = 0; |
190 static const uint32_t kMultiFreeEncoding = 1; | 190 static const uint32_t kMultiFreeEncoding = 1; |
191 | 191 |
192 inline Heap* heap() const { return heap_; } | 192 inline Heap* heap() const { return heap_; } |
(...skipping 306 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
499 CodeFlusher* code_flusher_; | 499 CodeFlusher* code_flusher_; |
500 | 500 |
501 friend class Heap; | 501 friend class Heap; |
502 friend class OverflowedObjectsScanner; | 502 friend class OverflowedObjectsScanner; |
503 }; | 503 }; |
504 | 504 |
505 | 505 |
506 } } // namespace v8::internal | 506 } } // namespace v8::internal |
507 | 507 |
508 #endif // V8_MARK_COMPACT_H_ | 508 #endif // V8_MARK_COMPACT_H_ |
OLD | NEW |