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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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| 37 namespace internal { | 37 namespace internal { |
| 38 | 38 |
| 39 // Forward declarations. | 39 // Forward declarations. |
| 40 class ICStub; | 40 class ICStub; |
| 41 class SmallMapList; | 41 class SmallMapList; |
| 42 | 42 |
| 43 | 43 |
| 44 class TypeFeedbackOracle: public ZoneObject { | 44 class TypeFeedbackOracle: public ZoneObject { |
| 45 public: | 45 public: |
| 46 TypeFeedbackOracle(Handle<Code> code, | 46 TypeFeedbackOracle(Handle<Code> code, |
| 47 Handle<FixedArray> feedback_vector, |
| 47 Handle<Context> native_context, | 48 Handle<Context> native_context, |
| 48 Zone* zone); | 49 Zone* zone); |
| 49 | 50 |
| 50 bool LoadIsUninitialized(TypeFeedbackId id); | 51 bool LoadIsUninitialized(TypeFeedbackId id); |
| 51 bool StoreIsUninitialized(TypeFeedbackId id); | 52 bool StoreIsUninitialized(TypeFeedbackId id); |
| 52 bool StoreIsKeyedPolymorphic(TypeFeedbackId id); | 53 bool StoreIsKeyedPolymorphic(TypeFeedbackId id); |
| 53 bool CallIsMonomorphic(int slot); | 54 bool CallIsMonomorphic(int slot); |
| 54 bool CallIsMonomorphic(TypeFeedbackId aid); | 55 bool CallIsMonomorphic(TypeFeedbackId aid); |
| 55 bool KeyedArrayCallIsHoley(TypeFeedbackId id); | 56 bool KeyedArrayCallIsHoley(TypeFeedbackId id); |
| 56 bool CallNewIsMonomorphic(int slot); | 57 bool CallNewIsMonomorphic(int slot); |
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| 122 Handle<String> name, | 123 Handle<String> name, |
| 123 Code::Flags flags, | 124 Code::Flags flags, |
| 124 SmallMapList* types); | 125 SmallMapList* types); |
| 125 | 126 |
| 126 void SetInfo(TypeFeedbackId id, Object* target); | 127 void SetInfo(TypeFeedbackId id, Object* target); |
| 127 | 128 |
| 128 void BuildDictionary(Handle<Code> code); | 129 void BuildDictionary(Handle<Code> code); |
| 129 void GetRelocInfos(Handle<Code> code, ZoneList<RelocInfo>* infos); | 130 void GetRelocInfos(Handle<Code> code, ZoneList<RelocInfo>* infos); |
| 130 void CreateDictionary(Handle<Code> code, ZoneList<RelocInfo>* infos); | 131 void CreateDictionary(Handle<Code> code, ZoneList<RelocInfo>* infos); |
| 131 void RelocateRelocInfos(ZoneList<RelocInfo>* infos, | 132 void RelocateRelocInfos(ZoneList<RelocInfo>* infos, |
| 132 byte* old_start, | 133 Code* old_code, |
| 133 byte* new_start); | 134 Code* new_code); |
| 134 void ProcessRelocInfos(ZoneList<RelocInfo>* infos); | 135 void ProcessRelocInfos(ZoneList<RelocInfo>* infos); |
| 135 | 136 |
| 136 // Returns an element from the backing store. Returns undefined if | 137 // Returns an element from the backing store. Returns undefined if |
| 137 // there is no information. | 138 // there is no information. |
| 138 Handle<Object> GetInfo(TypeFeedbackId id); | 139 Handle<Object> GetInfo(TypeFeedbackId id); |
| 139 | 140 |
| 140 // Returns an element from the type feedback vector. Returns undefined | 141 // Returns an element from the type feedback vector. Returns undefined |
| 141 // if there is no information. | 142 // if there is no information. |
| 142 Handle<Object> GetInfo(int slot); | 143 Handle<Object> GetInfo(int slot); |
| 143 | 144 |
| 144 private: | 145 private: |
| 145 Handle<Context> native_context_; | 146 Handle<Context> native_context_; |
| 146 Zone* zone_; | 147 Zone* zone_; |
| 147 Handle<UnseededNumberDictionary> dictionary_; | 148 Handle<UnseededNumberDictionary> dictionary_; |
| 148 Handle<FixedArray> feedback_vector_; | 149 Handle<FixedArray> feedback_vector_; |
| 149 | 150 |
| 150 DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle); | 151 DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle); |
| 151 }; | 152 }; |
| 152 | 153 |
| 153 } } // namespace v8::internal | 154 } } // namespace v8::internal |
| 154 | 155 |
| 155 #endif // V8_TYPE_INFO_H_ | 156 #endif // V8_TYPE_INFO_H_ |
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