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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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| 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<Context> native_context, | 47 Handle<Context> native_context, |
| 48 Zone* zone); | 48 Zone* zone); |
| 49 | 49 |
| 50 bool LoadIsUninitialized(TypeFeedbackId id); | 50 bool LoadIsUninitialized(TypeFeedbackId id); |
| 51 bool StoreIsUninitialized(TypeFeedbackId id); | 51 bool StoreIsUninitialized(TypeFeedbackId id); |
| 52 bool StoreIsKeyedPolymorphic(TypeFeedbackId id); | 52 bool StoreIsKeyedPolymorphic(TypeFeedbackId id); |
| 53 bool CallIsMonomorphic(int slot); | |
| 54 bool CallIsMonomorphic(TypeFeedbackId aid); | 53 bool CallIsMonomorphic(TypeFeedbackId aid); |
| 55 bool KeyedArrayCallIsHoley(TypeFeedbackId id); | 54 bool CallNewIsMonomorphic(TypeFeedbackId id); |
| 56 bool CallNewIsMonomorphic(int slot); | |
| 57 | 55 |
| 58 // TODO(1571) We can't use ForInStatement::ForInType as the return value due | 56 // TODO(1571) We can't use ForInStatement::ForInType as the return value due |
| 59 // to various cycles in our headers. | 57 // to various cycles in our headers. |
| 60 // TODO(rossberg): once all oracle access is removed from ast.cc, it should | 58 // TODO(rossberg): once all oracle access is removed from ast.cc, it should |
| 61 // be possible. | 59 // be possible. |
| 62 byte ForInType(int feedback_vector_slot); | 60 byte ForInType(TypeFeedbackId id); |
| 63 | 61 |
| 64 KeyedAccessStoreMode GetStoreMode(TypeFeedbackId id); | 62 KeyedAccessStoreMode GetStoreMode(TypeFeedbackId id); |
| 65 | 63 |
| 66 void PropertyReceiverTypes(TypeFeedbackId id, | 64 void PropertyReceiverTypes(TypeFeedbackId id, |
| 67 Handle<String> name, | 65 Handle<String> name, |
| 68 SmallMapList* receiver_types, | 66 SmallMapList* receiver_types, |
| 69 bool* is_prototype); | 67 bool* is_prototype); |
| 70 void KeyedPropertyReceiverTypes(TypeFeedbackId id, | 68 void KeyedPropertyReceiverTypes(TypeFeedbackId id, |
| 71 SmallMapList* receiver_types, | 69 SmallMapList* receiver_types, |
| 72 bool* is_string); | 70 bool* is_string); |
| 73 void AssignmentReceiverTypes(TypeFeedbackId id, | 71 void AssignmentReceiverTypes(TypeFeedbackId id, |
| 74 Handle<String> name, | 72 Handle<String> name, |
| 75 SmallMapList* receiver_types); | 73 SmallMapList* receiver_types); |
| 76 void KeyedAssignmentReceiverTypes(TypeFeedbackId id, | 74 void KeyedAssignmentReceiverTypes(TypeFeedbackId id, |
| 77 SmallMapList* receiver_types, | 75 SmallMapList* receiver_types, |
| 78 KeyedAccessStoreMode* store_mode); | 76 KeyedAccessStoreMode* store_mode); |
| 79 void CountReceiverTypes(TypeFeedbackId id, | 77 void CountReceiverTypes(TypeFeedbackId id, |
| 80 SmallMapList* receiver_types); | 78 SmallMapList* receiver_types); |
| 81 | 79 |
| 82 void CollectReceiverTypes(TypeFeedbackId id, | 80 void CollectReceiverTypes(TypeFeedbackId id, |
| 83 SmallMapList* types); | 81 SmallMapList* types); |
| 84 | 82 |
| 85 static bool CanRetainOtherContext(Map* map, Context* native_context); | 83 static bool CanRetainOtherContext(Map* map, Context* native_context); |
| 86 static bool CanRetainOtherContext(JSFunction* function, | 84 static bool CanRetainOtherContext(JSFunction* function, |
| 87 Context* native_context); | 85 Context* native_context); |
| 88 | 86 |
| 89 Handle<JSFunction> GetCallTarget(int slot); | 87 Handle<JSFunction> GetCallTarget(TypeFeedbackId id); |
| 90 Handle<JSFunction> GetCallNewTarget(int slot); | 88 Handle<JSFunction> GetCallNewTarget(TypeFeedbackId id); |
| 91 Handle<AllocationSite> GetCallNewAllocationSite(int slot); | 89 Handle<AllocationSite> GetCallNewAllocationSite(TypeFeedbackId id); |
| 92 | 90 |
| 93 bool LoadIsBuiltin(TypeFeedbackId id, Builtins::Name builtin_id); | 91 bool LoadIsBuiltin(TypeFeedbackId id, Builtins::Name builtin_id); |
| 94 bool LoadIsStub(TypeFeedbackId id, ICStub* stub); | 92 bool LoadIsStub(TypeFeedbackId id, ICStub* stub); |
| 95 | 93 |
| 96 // TODO(1571) We can't use ToBooleanStub::Types as the return value because | 94 // TODO(1571) We can't use ToBooleanStub::Types as the return value because |
| 97 // of various cycles in our headers. Death to tons of implementations in | 95 // of various cycles in our headers. Death to tons of implementations in |
| 98 // headers!! :-P | 96 // headers!! :-P |
| 99 byte ToBooleanTypes(TypeFeedbackId id); | 97 byte ToBooleanTypes(TypeFeedbackId id); |
| 100 | 98 |
| 101 // Get type information for arithmetic operations and compares. | 99 // Get type information for arithmetic operations and compares. |
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| 125 | 123 |
| 126 void SetInfo(TypeFeedbackId id, Object* target); | 124 void SetInfo(TypeFeedbackId id, Object* target); |
| 127 | 125 |
| 128 void BuildDictionary(Handle<Code> code); | 126 void BuildDictionary(Handle<Code> code); |
| 129 void GetRelocInfos(Handle<Code> code, ZoneList<RelocInfo>* infos); | 127 void GetRelocInfos(Handle<Code> code, ZoneList<RelocInfo>* infos); |
| 130 void CreateDictionary(Handle<Code> code, ZoneList<RelocInfo>* infos); | 128 void CreateDictionary(Handle<Code> code, ZoneList<RelocInfo>* infos); |
| 131 void RelocateRelocInfos(ZoneList<RelocInfo>* infos, | 129 void RelocateRelocInfos(ZoneList<RelocInfo>* infos, |
| 132 byte* old_start, | 130 byte* old_start, |
| 133 byte* new_start); | 131 byte* new_start); |
| 134 void ProcessRelocInfos(ZoneList<RelocInfo>* infos); | 132 void ProcessRelocInfos(ZoneList<RelocInfo>* infos); |
| 133 void ProcessTypeFeedbackCells(Handle<Code> code); |
| 135 | 134 |
| 136 // Returns an element from the backing store. Returns undefined if | 135 // Returns an element from the backing store. Returns undefined if |
| 137 // there is no information. | 136 // there is no information. |
| 138 Handle<Object> GetInfo(TypeFeedbackId id); | 137 Handle<Object> GetInfo(TypeFeedbackId id); |
| 139 | 138 |
| 140 // Returns an element from the type feedback vector. Returns undefined | |
| 141 // if there is no information. | |
| 142 Handle<Object> GetInfo(int slot); | |
| 143 | |
| 144 private: | 139 private: |
| 145 Handle<Context> native_context_; | 140 Handle<Context> native_context_; |
| 146 Zone* zone_; | 141 Zone* zone_; |
| 147 Handle<UnseededNumberDictionary> dictionary_; | 142 Handle<UnseededNumberDictionary> dictionary_; |
| 148 Handle<FixedArray> feedback_vector_; | |
| 149 | 143 |
| 150 DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle); | 144 DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle); |
| 151 }; | 145 }; |
| 152 | 146 |
| 153 } } // namespace v8::internal | 147 } } // namespace v8::internal |
| 154 | 148 |
| 155 #endif // V8_TYPE_INFO_H_ | 149 #endif // V8_TYPE_INFO_H_ |
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