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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 // 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_SERIALIZE_H_ | 5 #ifndef V8_SERIALIZE_H_ |
6 #define V8_SERIALIZE_H_ | 6 #define V8_SERIALIZE_H_ |
7 | 7 |
8 #include "src/hashmap.h" | 8 #include "src/hashmap.h" |
9 #include "src/heap-profiler.h" | 9 #include "src/heap-profiler.h" |
10 #include "src/isolate.h" | 10 #include "src/isolate.h" |
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807 | 807 |
808 | 808 |
809 class StartupSerializer : public Serializer { | 809 class StartupSerializer : public Serializer { |
810 public: | 810 public: |
811 StartupSerializer(Isolate* isolate, SnapshotByteSink* sink) | 811 StartupSerializer(Isolate* isolate, SnapshotByteSink* sink) |
812 : Serializer(isolate, sink), root_index_wave_front_(0) { | 812 : Serializer(isolate, sink), root_index_wave_front_(0) { |
813 // Clear the cache of objects used by the partial snapshot. After the | 813 // Clear the cache of objects used by the partial snapshot. After the |
814 // strong roots have been serialized we can create a partial snapshot | 814 // strong roots have been serialized we can create a partial snapshot |
815 // which will repopulate the cache with objects needed by that partial | 815 // which will repopulate the cache with objects needed by that partial |
816 // snapshot. | 816 // snapshot. |
817 isolate->set_serialize_partial_snapshot_cache_length(0); | 817 isolate->partial_snapshot_cache()->Clear(); |
818 InitializeCodeAddressMap(); | 818 InitializeCodeAddressMap(); |
819 } | 819 } |
820 | 820 |
821 // The StartupSerializer has to serialize the root array, which is slightly | 821 // The StartupSerializer has to serialize the root array, which is slightly |
822 // different. | 822 // different. |
823 void VisitPointers(Object** start, Object** end) OVERRIDE; | 823 void VisitPointers(Object** start, Object** end) OVERRIDE; |
824 | 824 |
825 // Serialize the current state of the heap. The order is: | 825 // Serialize the current state of the heap. The order is: |
826 // 1) Strong references. | 826 // 1) Strong references. |
827 // 2) Partial snapshot cache. | 827 // 2) Partial snapshot cache. |
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993 kNumInternalizedStringsOffset + kInt32Size; | 993 kNumInternalizedStringsOffset + kInt32Size; |
994 static const int kNumCodeStubKeysOffset = kNumReservationsOffset + kInt32Size; | 994 static const int kNumCodeStubKeysOffset = kNumReservationsOffset + kInt32Size; |
995 static const int kPayloadLengthOffset = kNumCodeStubKeysOffset + kInt32Size; | 995 static const int kPayloadLengthOffset = kNumCodeStubKeysOffset + kInt32Size; |
996 static const int kChecksum1Offset = kPayloadLengthOffset + kInt32Size; | 996 static const int kChecksum1Offset = kPayloadLengthOffset + kInt32Size; |
997 static const int kChecksum2Offset = kChecksum1Offset + kInt32Size; | 997 static const int kChecksum2Offset = kChecksum1Offset + kInt32Size; |
998 static const int kHeaderSize = kChecksum2Offset + kInt32Size; | 998 static const int kHeaderSize = kChecksum2Offset + kInt32Size; |
999 }; | 999 }; |
1000 } } // namespace v8::internal | 1000 } } // namespace v8::internal |
1001 | 1001 |
1002 #endif // V8_SERIALIZE_H_ | 1002 #endif // V8_SERIALIZE_H_ |
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