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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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631 explicit StartupSerializer(SnapshotByteSink* sink) : Serializer(sink) { | 631 explicit StartupSerializer(SnapshotByteSink* sink) : Serializer(sink) { |
632 // Clear the cache of objects used by the partial snapshot. After the | 632 // Clear the cache of objects used by the partial snapshot. After the |
633 // strong roots have been serialized we can create a partial snapshot | 633 // strong roots have been serialized we can create a partial snapshot |
634 // which will repopulate the cache with objects needed by that partial | 634 // which will repopulate the cache with objects needed by that partial |
635 // snapshot. | 635 // snapshot. |
636 Isolate::Current()->set_serialize_partial_snapshot_cache_length(0); | 636 Isolate::Current()->set_serialize_partial_snapshot_cache_length(0); |
637 } | 637 } |
638 // Serialize the current state of the heap. The order is: | 638 // Serialize the current state of the heap. The order is: |
639 // 1) Strong references. | 639 // 1) Strong references. |
640 // 2) Partial snapshot cache. | 640 // 2) Partial snapshot cache. |
641 // 3) Weak references (e.g. the symbol table). | 641 // 3) Weak references (e.g. the string table). |
642 virtual void SerializeStrongReferences(); | 642 virtual void SerializeStrongReferences(); |
643 virtual void SerializeObject(Object* o, | 643 virtual void SerializeObject(Object* o, |
644 HowToCode how_to_code, | 644 HowToCode how_to_code, |
645 WhereToPoint where_to_point, | 645 WhereToPoint where_to_point, |
646 int skip); | 646 int skip); |
647 void SerializeWeakReferences(); | 647 void SerializeWeakReferences(); |
648 void Serialize() { | 648 void Serialize() { |
649 SerializeStrongReferences(); | 649 SerializeStrongReferences(); |
650 SerializeWeakReferences(); | 650 SerializeWeakReferences(); |
651 Pad(); | 651 Pad(); |
652 } | 652 } |
653 | 653 |
654 private: | 654 private: |
655 virtual bool ShouldBeInThePartialSnapshotCache(HeapObject* o) { | 655 virtual bool ShouldBeInThePartialSnapshotCache(HeapObject* o) { |
656 return false; | 656 return false; |
657 } | 657 } |
658 }; | 658 }; |
659 | 659 |
660 | 660 |
661 } } // namespace v8::internal | 661 } } // namespace v8::internal |
662 | 662 |
663 #endif // V8_SERIALIZE_H_ | 663 #endif // V8_SERIALIZE_H_ |
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