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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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493 } | 493 } |
494 | 494 |
495 | 495 |
496 void ExternalReferenceEncoder::Put(Address key, int index) { | 496 void ExternalReferenceEncoder::Put(Address key, int index) { |
497 HashMap::Entry* entry = encodings_.Lookup(key, Hash(key), true); | 497 HashMap::Entry* entry = encodings_.Lookup(key, Hash(key), true); |
498 entry->value = reinterpret_cast<void*>(index); | 498 entry->value = reinterpret_cast<void*>(index); |
499 } | 499 } |
500 | 500 |
501 | 501 |
502 ExternalReferenceDecoder::ExternalReferenceDecoder() | 502 ExternalReferenceDecoder::ExternalReferenceDecoder() |
503 : encodings_(NewArray<Address*>(kTypeCodeCount)) { | 503 : encodings_(NewArray<Address*>(kTypeCodeCount)) { |
504 ExternalReferenceTable* external_references = | 504 ExternalReferenceTable* external_references = |
505 ExternalReferenceTable::instance(); | 505 ExternalReferenceTable::instance(); |
506 for (int type = kFirstTypeCode; type < kTypeCodeCount; ++type) { | 506 for (int type = kFirstTypeCode; type < kTypeCodeCount; ++type) { |
507 int max = external_references->max_id(type) + 1; | 507 int max = external_references->max_id(type) + 1; |
508 encodings_[type] = NewArray<Address>(max + 1); | 508 encodings_[type] = NewArray<Address>(max + 1); |
509 } | 509 } |
510 for (int i = 0; i < external_references->size(); ++i) { | 510 for (int i = 0; i < external_references->size(); ++i) { |
511 Put(external_references->code(i), external_references->address(i)); | 511 Put(external_references->code(i), external_references->address(i)); |
512 } | 512 } |
513 } | 513 } |
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612 ASSERT_EQ(NULL, ThreadState::FirstInUse()); | 612 ASSERT_EQ(NULL, ThreadState::FirstInUse()); |
613 // No active handles. | 613 // No active handles. |
614 ASSERT(HandleScopeImplementer::instance()->blocks()->is_empty()); | 614 ASSERT(HandleScopeImplementer::instance()->blocks()->is_empty()); |
615 // Make sure the entire partial snapshot cache is traversed, filling it with | 615 // Make sure the entire partial snapshot cache is traversed, filling it with |
616 // valid object pointers. | 616 // valid object pointers. |
617 partial_snapshot_cache_length_ = kPartialSnapshotCacheCapacity; | 617 partial_snapshot_cache_length_ = kPartialSnapshotCacheCapacity; |
618 ASSERT_EQ(NULL, external_reference_decoder_); | 618 ASSERT_EQ(NULL, external_reference_decoder_); |
619 external_reference_decoder_ = new ExternalReferenceDecoder(); | 619 external_reference_decoder_ = new ExternalReferenceDecoder(); |
620 Heap::IterateStrongRoots(this, VISIT_ONLY_STRONG); | 620 Heap::IterateStrongRoots(this, VISIT_ONLY_STRONG); |
621 Heap::IterateWeakRoots(this, VISIT_ALL); | 621 Heap::IterateWeakRoots(this, VISIT_ALL); |
| 622 |
| 623 Heap::set_global_contexts_list(Heap::undefined_value()); |
622 } | 624 } |
623 | 625 |
624 | 626 |
625 void Deserializer::DeserializePartial(Object** root) { | 627 void Deserializer::DeserializePartial(Object** root) { |
626 // Don't GC while deserializing - just expand the heap. | 628 // Don't GC while deserializing - just expand the heap. |
627 AlwaysAllocateScope always_allocate; | 629 AlwaysAllocateScope always_allocate; |
628 // Don't use the free lists while deserializing. | 630 // Don't use the free lists while deserializing. |
629 LinearAllocationScope allocate_linearly; | 631 LinearAllocationScope allocate_linearly; |
630 if (external_reference_decoder_ == NULL) { | 632 if (external_reference_decoder_ == NULL) { |
631 external_reference_decoder_ = new ExternalReferenceDecoder(); | 633 external_reference_decoder_ = new ExternalReferenceDecoder(); |
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1466 fullness_[space] = RoundUp(fullness_[space], Page::kPageSize); | 1468 fullness_[space] = RoundUp(fullness_[space], Page::kPageSize); |
1467 } | 1469 } |
1468 } | 1470 } |
1469 int allocation_address = fullness_[space]; | 1471 int allocation_address = fullness_[space]; |
1470 fullness_[space] = allocation_address + size; | 1472 fullness_[space] = allocation_address + size; |
1471 return allocation_address; | 1473 return allocation_address; |
1472 } | 1474 } |
1473 | 1475 |
1474 | 1476 |
1475 } } // namespace v8::internal | 1477 } } // namespace v8::internal |
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