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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef VM_SNAPSHOT_H_ | 5 #ifndef VM_SNAPSHOT_H_ |
6 #define VM_SNAPSHOT_H_ | 6 #define VM_SNAPSHOT_H_ |
7 | 7 |
8 #include "platform/assert.h" | 8 #include "platform/assert.h" |
9 #include "vm/allocation.h" | 9 #include "vm/allocation.h" |
10 #include "vm/bitfield.h" | 10 #include "vm/bitfield.h" |
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93 kIsNotDeserialized = 1, | 93 kIsNotDeserialized = 1, |
94 }; | 94 }; |
95 | 95 |
96 | 96 |
97 enum SerializeState { | 97 enum SerializeState { |
98 kIsSerialized = 0, | 98 kIsSerialized = 0, |
99 kIsNotSerialized = 1, | 99 kIsNotSerialized = 1, |
100 }; | 100 }; |
101 | 101 |
102 | 102 |
| 103 #define HEAP_SPACE(kind) (kind == Snapshot::kMessage) ? Heap::kNew : Heap::kOld |
| 104 |
| 105 |
103 // Structure capturing the raw snapshot. | 106 // Structure capturing the raw snapshot. |
104 class Snapshot { | 107 class Snapshot { |
105 public: | 108 public: |
106 enum Kind { | 109 enum Kind { |
107 kFull = 0, // Full snapshot of the current dart heap. | 110 kFull = 0, // Full snapshot of the current dart heap. |
108 kScript, // A partial snapshot of only the application script. | 111 kScript, // A partial snapshot of only the application script. |
109 kMessage, // A partial snapshot used only for isolate messaging. | 112 kMessage, // A partial snapshot used only for isolate messaging. |
110 }; | 113 }; |
111 | 114 |
112 static const int kHeaderSize = 2 * sizeof(int32_t); | 115 static const int kHeaderSize = 2 * sizeof(int32_t); |
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513 private: | 516 private: |
514 SnapshotWriter* writer_; | 517 SnapshotWriter* writer_; |
515 bool as_references_; | 518 bool as_references_; |
516 | 519 |
517 DISALLOW_COPY_AND_ASSIGN(SnapshotWriterVisitor); | 520 DISALLOW_COPY_AND_ASSIGN(SnapshotWriterVisitor); |
518 }; | 521 }; |
519 | 522 |
520 } // namespace dart | 523 } // namespace dart |
521 | 524 |
522 #endif // VM_SNAPSHOT_H_ | 525 #endif // VM_SNAPSHOT_H_ |
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