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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 #include "vm/snapshot.h" | 5 #include "vm/snapshot.h" |
6 | 6 |
7 #include "platform/assert.h" | 7 #include "platform/assert.h" |
8 #include "vm/bigint_operations.h" | 8 #include "vm/bigint_operations.h" |
9 #include "vm/bootstrap.h" | 9 #include "vm/bootstrap.h" |
10 #include "vm/class_finalizer.h" | 10 #include "vm/class_finalizer.h" |
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373 for (intptr_t i = 0; i <= num_flds; i++) { | 373 for (intptr_t i = 0; i <= num_flds; i++) { |
374 *(object_store->from() + i) = ReadObjectImpl(); | 374 *(object_store->from() + i) = ReadObjectImpl(); |
375 } | 375 } |
376 for (intptr_t i = 0; i < backward_references_.length(); i++) { | 376 for (intptr_t i = 0; i < backward_references_.length(); i++) { |
377 if (!backward_references_[i]->is_deserialized()) { | 377 if (!backward_references_[i]->is_deserialized()) { |
378 ReadObjectImpl(); | 378 ReadObjectImpl(); |
379 backward_references_[i]->set_state(kIsDeserialized); | 379 backward_references_[i]->set_state(kIsDeserialized); |
380 } | 380 } |
381 } | 381 } |
382 | 382 |
| 383 // Validate the class table. |
| 384 #if defined(DEBUG) |
| 385 isolate->ValidateClassTable(); |
| 386 #endif |
| 387 |
383 // Setup native resolver for bootstrap impl. | 388 // Setup native resolver for bootstrap impl. |
384 Bootstrap::SetupNativeResolver(); | 389 Bootstrap::SetupNativeResolver(); |
385 } | 390 } |
386 | 391 |
387 | 392 |
388 #define ALLOC_NEW_OBJECT_WITH_LEN(type, class_obj, length) \ | 393 #define ALLOC_NEW_OBJECT_WITH_LEN(type, class_obj, length) \ |
389 ASSERT(kind_ == Snapshot::kFull); \ | 394 ASSERT(kind_ == Snapshot::kFull); \ |
390 ASSERT(isolate()->no_gc_scope_depth() != 0); \ | 395 ASSERT(isolate()->no_gc_scope_depth() != 0); \ |
391 cls_ = class_obj; \ | 396 cls_ = class_obj; \ |
392 Raw##type* obj = reinterpret_cast<Raw##type*>( \ | 397 Raw##type* obj = reinterpret_cast<Raw##type*>( \ |
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465 ASSERT((class_id >= kInstanceCid) && | 470 ASSERT((class_id >= kInstanceCid) && |
466 (class_id <= kNullCid)); | 471 (class_id <= kNullCid)); |
467 return isolate()->class_table()->At(class_id); | 472 return isolate()->class_table()->At(class_id); |
468 } | 473 } |
469 cls_ = Object::class_class(); | 474 cls_ = Object::class_class(); |
470 RawClass* obj = reinterpret_cast<RawClass*>( | 475 RawClass* obj = reinterpret_cast<RawClass*>( |
471 AllocateUninitialized(cls_, Class::InstanceSize())); | 476 AllocateUninitialized(cls_, Class::InstanceSize())); |
472 Instance fake; | 477 Instance fake; |
473 obj->ptr()->handle_vtable_ = fake.vtable(); | 478 obj->ptr()->handle_vtable_ = fake.vtable(); |
474 cls_ = obj; | 479 cls_ = obj; |
475 cls_.set_id(kIllegalCid); | 480 cls_.set_id(class_id); |
476 isolate()->RegisterClass(cls_); | 481 isolate()->RegisterClassAt(class_id, cls_); |
477 return cls_.raw(); | 482 return cls_.raw(); |
478 } | 483 } |
479 | 484 |
480 | 485 |
481 RawInstance* SnapshotReader::NewInstance() { | 486 RawInstance* SnapshotReader::NewInstance() { |
482 ASSERT(kind_ == Snapshot::kFull); | 487 ASSERT(kind_ == Snapshot::kFull); |
483 ASSERT(isolate()->no_gc_scope_depth() != 0); | 488 ASSERT(isolate()->no_gc_scope_depth() != 0); |
484 cls_ = object_store()->object_class(); | 489 cls_ = object_store()->object_class(); |
485 RawInstance* obj = reinterpret_cast<RawInstance*>( | 490 RawInstance* obj = reinterpret_cast<RawInstance*>( |
486 AllocateUninitialized(cls_, Instance::InstanceSize())); | 491 AllocateUninitialized(cls_, Instance::InstanceSize())); |
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1114 } | 1119 } |
1115 | 1120 |
1116 | 1121 |
1117 void FullSnapshotWriter::WriteFullSnapshot() { | 1122 void FullSnapshotWriter::WriteFullSnapshot() { |
1118 Isolate* isolate = Isolate::Current(); | 1123 Isolate* isolate = Isolate::Current(); |
1119 ASSERT(isolate != NULL); | 1124 ASSERT(isolate != NULL); |
1120 ObjectStore* object_store = isolate->object_store(); | 1125 ObjectStore* object_store = isolate->object_store(); |
1121 ASSERT(object_store != NULL); | 1126 ASSERT(object_store != NULL); |
1122 ASSERT(ClassFinalizer::AllClassesFinalized()); | 1127 ASSERT(ClassFinalizer::AllClassesFinalized()); |
1123 | 1128 |
| 1129 // Ensure the class table is valid. |
| 1130 #if defined(DEBUG) |
| 1131 isolate->ValidateClassTable(); |
| 1132 #endif |
| 1133 |
| 1134 |
1124 // Setup for long jump in case there is an exception while writing | 1135 // Setup for long jump in case there is an exception while writing |
1125 // the snapshot. | 1136 // the snapshot. |
1126 LongJumpScope jump; | 1137 LongJumpScope jump; |
1127 if (setjmp(*jump.Set()) == 0) { | 1138 if (setjmp(*jump.Set()) == 0) { |
1128 NoGCScope no_gc; | 1139 NoGCScope no_gc; |
1129 | 1140 |
1130 // Reserve space in the output buffer for a snapshot header. | 1141 // Reserve space in the output buffer for a snapshot header. |
1131 ReserveHeader(); | 1142 ReserveHeader(); |
1132 | 1143 |
1133 // Write out all the objects in the object store of the isolate which | 1144 // Write out all the objects in the object store of the isolate which |
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1549 NoGCScope no_gc; | 1560 NoGCScope no_gc; |
1550 WriteObject(obj.raw()); | 1561 WriteObject(obj.raw()); |
1551 UnmarkAll(); | 1562 UnmarkAll(); |
1552 } else { | 1563 } else { |
1553 ThrowException(exception_type(), exception_msg()); | 1564 ThrowException(exception_type(), exception_msg()); |
1554 } | 1565 } |
1555 } | 1566 } |
1556 | 1567 |
1557 | 1568 |
1558 } // namespace dart | 1569 } // namespace dart |
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