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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 // 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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778 ASSERT(NoBarrier_Load(&serialization_state_) == | 778 ASSERT(NoBarrier_Load(&serialization_state_) == |
779 SERIALIZER_STATE_UNINITIALIZED); | 779 SERIALIZER_STATE_UNINITIALIZED); |
780 SerializationState state = code_address_map_ | 780 SerializationState state = code_address_map_ |
781 ? SERIALIZER_STATE_ENABLED | 781 ? SERIALIZER_STATE_ENABLED |
782 : SERIALIZER_STATE_DISABLED; | 782 : SERIALIZER_STATE_DISABLED; |
783 NoBarrier_Store(&serialization_state_, state); | 783 NoBarrier_Store(&serialization_state_, state); |
784 } | 784 } |
785 | 785 |
786 | 786 |
787 void Serializer::TearDown() { | 787 void Serializer::TearDown() { |
788 // TearDown is called by V8::TearDown() for the default isolate. It's safe | |
789 // to shut down the serializer by that point. Just to be safe, we restore | |
790 // serialization_state_ to uninitialized. | |
791 ASSERT(NoBarrier_Load(&serialization_state_) != | 788 ASSERT(NoBarrier_Load(&serialization_state_) != |
792 SERIALIZER_STATE_UNINITIALIZED); | 789 SERIALIZER_STATE_UNINITIALIZED); |
793 if (code_address_map_) { | 790 if (code_address_map_) { |
794 ASSERT(NoBarrier_Load(&serialization_state_) == | 791 ASSERT(NoBarrier_Load(&serialization_state_) == |
795 SERIALIZER_STATE_ENABLED); | 792 SERIALIZER_STATE_ENABLED); |
796 delete code_address_map_; | 793 delete code_address_map_; |
797 code_address_map_ = NULL; | 794 code_address_map_ = NULL; |
798 } | 795 } |
799 | 796 |
800 NoBarrier_Store(&serialization_state_, SERIALIZER_STATE_UNINITIALIZED); | 797 NoBarrier_Store(&serialization_state_, SERIALIZER_STATE_UNINITIALIZED); |
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1901 | 1898 |
1902 bool SnapshotByteSource::AtEOF() { | 1899 bool SnapshotByteSource::AtEOF() { |
1903 if (0u + length_ - position_ > 2 * sizeof(uint32_t)) return false; | 1900 if (0u + length_ - position_ > 2 * sizeof(uint32_t)) return false; |
1904 for (int x = position_; x < length_; x++) { | 1901 for (int x = position_; x < length_; x++) { |
1905 if (data_[x] != SerializerDeserializer::nop()) return false; | 1902 if (data_[x] != SerializerDeserializer::nop()) return false; |
1906 } | 1903 } |
1907 return true; | 1904 return true; |
1908 } | 1905 } |
1909 | 1906 |
1910 } } // namespace v8::internal | 1907 } } // namespace v8::internal |
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