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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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4111 return reinterpret_cast<JSMessageObject*>(obj); | 4111 return reinterpret_cast<JSMessageObject*>(obj); |
4112 } | 4112 } |
4113 | 4113 |
4114 | 4114 |
4115 INT_ACCESSORS(Code, instruction_size, kInstructionSizeOffset) | 4115 INT_ACCESSORS(Code, instruction_size, kInstructionSizeOffset) |
4116 ACCESSORS(Code, relocation_info, ByteArray, kRelocationInfoOffset) | 4116 ACCESSORS(Code, relocation_info, ByteArray, kRelocationInfoOffset) |
4117 ACCESSORS(Code, handler_table, FixedArray, kHandlerTableOffset) | 4117 ACCESSORS(Code, handler_table, FixedArray, kHandlerTableOffset) |
4118 ACCESSORS(Code, deoptimization_data, FixedArray, kDeoptimizationDataOffset) | 4118 ACCESSORS(Code, deoptimization_data, FixedArray, kDeoptimizationDataOffset) |
4119 ACCESSORS(Code, type_feedback_info, Object, kTypeFeedbackInfoOffset) | 4119 ACCESSORS(Code, type_feedback_info, Object, kTypeFeedbackInfoOffset) |
4120 ACCESSORS(Code, gc_metadata, Object, kGCMetadataOffset) | 4120 ACCESSORS(Code, gc_metadata, Object, kGCMetadataOffset) |
4121 | 4121 INT_ACCESSORS(Code, ic_age, kICAgeOffset) |
4122 | 4122 |
4123 byte* Code::instruction_start() { | 4123 byte* Code::instruction_start() { |
4124 return FIELD_ADDR(this, kHeaderSize); | 4124 return FIELD_ADDR(this, kHeaderSize); |
4125 } | 4125 } |
4126 | 4126 |
4127 | 4127 |
4128 byte* Code::instruction_end() { | 4128 byte* Code::instruction_end() { |
4129 return instruction_start() + instruction_size(); | 4129 return instruction_start() + instruction_size(); |
4130 } | 4130 } |
4131 | 4131 |
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4694 template <int entrysize> | 4694 template <int entrysize> |
4695 MaybeObject* ObjectHashTableShape<entrysize>::AsObject(Object* key) { | 4695 MaybeObject* ObjectHashTableShape<entrysize>::AsObject(Object* key) { |
4696 return key; | 4696 return key; |
4697 } | 4697 } |
4698 | 4698 |
4699 | 4699 |
4700 void Map::ClearCodeCache(Heap* heap) { | 4700 void Map::ClearCodeCache(Heap* heap) { |
4701 // No write barrier is needed since empty_fixed_array is not in new space. | 4701 // No write barrier is needed since empty_fixed_array is not in new space. |
4702 // Please note this function is used during marking: | 4702 // Please note this function is used during marking: |
4703 // - MarkCompactCollector::MarkUnmarkedObject | 4703 // - MarkCompactCollector::MarkUnmarkedObject |
| 4704 // - IncrementalMarking::Step |
4704 ASSERT(!heap->InNewSpace(heap->raw_unchecked_empty_fixed_array())); | 4705 ASSERT(!heap->InNewSpace(heap->raw_unchecked_empty_fixed_array())); |
4705 WRITE_FIELD(this, kCodeCacheOffset, heap->raw_unchecked_empty_fixed_array()); | 4706 WRITE_FIELD(this, kCodeCacheOffset, heap->raw_unchecked_empty_fixed_array()); |
4706 } | 4707 } |
4707 | 4708 |
4708 | 4709 |
4709 void JSArray::EnsureSize(int required_size) { | 4710 void JSArray::EnsureSize(int required_size) { |
4710 ASSERT(HasFastTypeElements()); | 4711 ASSERT(HasFastTypeElements()); |
4711 FixedArray* elts = FixedArray::cast(elements()); | 4712 FixedArray* elts = FixedArray::cast(elements()); |
4712 const int kArraySizeThatFitsComfortablyInNewSpace = 128; | 4713 const int kArraySizeThatFitsComfortablyInNewSpace = 128; |
4713 if (elts->length() < required_size) { | 4714 if (elts->length() < required_size) { |
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4915 #undef WRITE_UINT32_FIELD | 4916 #undef WRITE_UINT32_FIELD |
4916 #undef READ_SHORT_FIELD | 4917 #undef READ_SHORT_FIELD |
4917 #undef WRITE_SHORT_FIELD | 4918 #undef WRITE_SHORT_FIELD |
4918 #undef READ_BYTE_FIELD | 4919 #undef READ_BYTE_FIELD |
4919 #undef WRITE_BYTE_FIELD | 4920 #undef WRITE_BYTE_FIELD |
4920 | 4921 |
4921 | 4922 |
4922 } } // namespace v8::internal | 4923 } } // namespace v8::internal |
4923 | 4924 |
4924 #endif // V8_OBJECTS_INL_H_ | 4925 #endif // V8_OBJECTS_INL_H_ |
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