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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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464 WriteStream stream_; | 464 WriteStream stream_; |
465 | 465 |
466 DISALLOW_IMPLICIT_CONSTRUCTORS(BaseWriter); | 466 DISALLOW_IMPLICIT_CONSTRUCTORS(BaseWriter); |
467 }; | 467 }; |
468 | 468 |
469 | 469 |
470 class MessageWriter : public BaseWriter { | 470 class MessageWriter : public BaseWriter { |
471 public: | 471 public: |
472 MessageWriter(uint8_t** buffer, ReAlloc alloc) | 472 MessageWriter(uint8_t** buffer, ReAlloc alloc) |
473 : BaseWriter(buffer, alloc), object_id_(0) { | 473 : BaseWriter(buffer, alloc), object_id_(0) { |
474 ASSERT(kDartCObjectTypeMask >= Dart_CObject::kNumberOfTypes); | 474 ASSERT(kDartCObjectTypeMask >= Dart_CObject::kNumberOfTypes - 1); |
475 } | 475 } |
476 ~MessageWriter() { } | 476 ~MessageWriter() { } |
477 | 477 |
478 // Writes a message of integers. | 478 // Writes a message of integers. |
479 void WriteMessage(intptr_t field_count, intptr_t *data); | 479 void WriteMessage(intptr_t field_count, intptr_t *data); |
480 | 480 |
481 void WriteCMessage(Dart_CObject* object); | 481 void WriteCMessage(Dart_CObject* object); |
482 | 482 |
483 void FinalizeBuffer() { | 483 void FinalizeBuffer() { |
484 BaseWriter::FinalizeBuffer(Snapshot::kMessage); | 484 BaseWriter::FinalizeBuffer(Snapshot::kMessage); |
485 } | 485 } |
486 | 486 |
487 private: | 487 private: |
488 static const intptr_t kDartCObjectTypeBits = 3; | 488 static const intptr_t kDartCObjectTypeBits = 3; |
489 static const intptr_t kDartCObjectTypeMask = (1 << kDartCObjectTypeBits) - 1; | 489 static const intptr_t kDartCObjectTypeMask = (1 << kDartCObjectTypeBits) - 1; |
490 static const intptr_t kDartCObjectMarkMask = ~kDartCObjectTypeMask; | 490 static const intptr_t kDartCObjectMarkMask = ~kDartCObjectTypeMask; |
491 static const intptr_t kDartCObjectMarkOffset = 1; | 491 static const intptr_t kDartCObjectMarkOffset = 1; |
492 | 492 |
493 void MarkCObject(Dart_CObject* object, intptr_t object_id); | 493 void MarkCObject(Dart_CObject* object, intptr_t object_id); |
494 void UnmarkCObject(Dart_CObject* object); | 494 void UnmarkCObject(Dart_CObject* object); |
495 bool IsCObjectMarked(Dart_CObject* object); | 495 bool IsCObjectMarked(Dart_CObject* object); |
496 intptr_t GetMarkedCObjectMark(Dart_CObject* object); | 496 intptr_t GetMarkedCObjectMark(Dart_CObject* object); |
497 void UnmarkAllCObjects(Dart_CObject* object); | 497 void UnmarkAllCObjects(Dart_CObject* object); |
498 | 498 |
499 void WriteSmi(int32_t value); | 499 void WriteSmi(int64_t value); |
| 500 void WriteMint(Dart_CObject* object, int64_t value); |
| 501 void WriteInt32(Dart_CObject* object); |
| 502 void WriteInt64(Dart_CObject* object); |
500 void WriteInlinedHeader(Dart_CObject* object); | 503 void WriteInlinedHeader(Dart_CObject* object); |
501 void WriteCObject(Dart_CObject* object); | 504 void WriteCObject(Dart_CObject* object); |
502 | 505 |
503 intptr_t object_id_; | 506 intptr_t object_id_; |
504 | 507 |
505 DISALLOW_COPY_AND_ASSIGN(MessageWriter); | 508 DISALLOW_COPY_AND_ASSIGN(MessageWriter); |
506 }; | 509 }; |
507 | 510 |
508 | 511 |
509 class SnapshotWriter : public BaseWriter { | 512 class SnapshotWriter : public BaseWriter { |
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593 | 596 |
594 private: | 597 private: |
595 SnapshotWriter* writer_; | 598 SnapshotWriter* writer_; |
596 | 599 |
597 DISALLOW_COPY_AND_ASSIGN(SnapshotWriterVisitor); | 600 DISALLOW_COPY_AND_ASSIGN(SnapshotWriterVisitor); |
598 }; | 601 }; |
599 | 602 |
600 } // namespace dart | 603 } // namespace dart |
601 | 604 |
602 #endif // VM_SNAPSHOT_H_ | 605 #endif // VM_SNAPSHOT_H_ |
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