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| 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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 |
| 11 // with the distribution. | 11 // with the distribution. |
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| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | 27 |
| 28 #ifndef V8_IC_H_ | 28 #ifndef V8_IC_H_ |
| 29 #define V8_IC_H_ | 29 #define V8_IC_H_ |
| 30 | 30 |
| 31 #include "macro-assembler.h" | 31 #include "macro-assembler.h" |
| 32 #include "type-info.h" |
| 32 | 33 |
| 33 namespace v8 { | 34 namespace v8 { |
| 34 namespace internal { | 35 namespace internal { |
| 35 | 36 |
| 36 | 37 |
| 37 // IC_UTIL_LIST defines all utility functions called from generated | 38 // IC_UTIL_LIST defines all utility functions called from generated |
| 38 // inline caching code. The argument for the macro, ICU, is the function name. | 39 // inline caching code. The argument for the macro, ICU, is the function name. |
| 39 #define IC_UTIL_LIST(ICU) \ | 40 #define IC_UTIL_LIST(ICU) \ |
| 40 ICU(LoadIC_Miss) \ | 41 ICU(LoadIC_Miss) \ |
| 41 ICU(KeyedLoadIC_Miss) \ | 42 ICU(KeyedLoadIC_Miss) \ |
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| 184 Address address() const { return address_; } | 185 Address address() const { return address_; } |
| 185 | 186 |
| 186 IC::UtilityId id() const { return id_; } | 187 IC::UtilityId id() const { return id_; } |
| 187 private: | 188 private: |
| 188 Address address_; | 189 Address address_; |
| 189 IC::UtilityId id_; | 190 IC::UtilityId id_; |
| 190 }; | 191 }; |
| 191 | 192 |
| 192 | 193 |
| 193 class CallICBase: public IC { | 194 class CallICBase: public IC { |
| 195 public: |
| 196 class Contextual: public BitField<bool, 0, 1> {}; |
| 197 class StringStubState: public BitField<StringStubFeedback, 1, 1> {}; |
| 198 |
| 194 protected: | 199 protected: |
| 195 CallICBase(Code::Kind kind, Isolate* isolate) | 200 CallICBase(Code::Kind kind, Isolate* isolate) |
| 196 : IC(EXTRA_CALL_FRAME, isolate), kind_(kind) {} | 201 : IC(EXTRA_CALL_FRAME, isolate), kind_(kind) {} |
| 197 | 202 |
| 198 public: | 203 public: |
| 199 MUST_USE_RESULT MaybeObject* LoadFunction(State state, | 204 MUST_USE_RESULT MaybeObject* LoadFunction(State state, |
| 200 Code::ExtraICState extra_ic_state, | 205 Code::ExtraICState extra_ic_state, |
| 201 Handle<Object> object, | 206 Handle<Object> object, |
| 202 Handle<String> name); | 207 Handle<String> name); |
| 203 | 208 |
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| 224 Handle<String> name); | 229 Handle<String> name); |
| 225 | 230 |
| 226 // Returns a JSFunction if the object can be called as a function, | 231 // Returns a JSFunction if the object can be called as a function, |
| 227 // and patches the stack to be ready for the call. | 232 // and patches the stack to be ready for the call. |
| 228 // Otherwise, it returns the undefined value. | 233 // Otherwise, it returns the undefined value. |
| 229 Object* TryCallAsFunction(Object* object); | 234 Object* TryCallAsFunction(Object* object); |
| 230 | 235 |
| 231 void ReceiverToObjectIfRequired(Handle<Object> callee, Handle<Object> object); | 236 void ReceiverToObjectIfRequired(Handle<Object> callee, Handle<Object> object); |
| 232 | 237 |
| 233 static void Clear(Address address, Code* target); | 238 static void Clear(Address address, Code* target); |
| 239 |
| 234 friend class IC; | 240 friend class IC; |
| 235 }; | 241 }; |
| 236 | 242 |
| 237 | 243 |
| 238 class CallIC: public CallICBase { | 244 class CallIC: public CallICBase { |
| 239 public: | 245 public: |
| 240 explicit CallIC(Isolate* isolate) : CallICBase(Code::CALL_IC, isolate) { | 246 explicit CallIC(Isolate* isolate) : CallICBase(Code::CALL_IC, isolate) { |
| 241 ASSERT(target()->is_call_stub()); | 247 ASSERT(target()->is_call_stub()); |
| 242 } | 248 } |
| 243 | 249 |
| 244 // Code generator routines. | 250 // Code generator routines. |
| 245 static void GenerateInitialize(MacroAssembler* masm, int argc) { | 251 static void GenerateInitialize(MacroAssembler* masm, |
| 246 GenerateMiss(masm, argc); | 252 int argc, |
| 253 Code::ExtraICState extra_ic_state) { |
| 254 GenerateMiss(masm, argc, extra_ic_state); |
| 247 } | 255 } |
| 248 static void GenerateMiss(MacroAssembler* masm, int argc); | 256 static void GenerateMiss(MacroAssembler* masm, |
| 249 static void GenerateMegamorphic(MacroAssembler* masm, int argc); | 257 int argc, |
| 258 Code::ExtraICState extra_ic_state); |
| 259 static void GenerateMegamorphic(MacroAssembler* masm, |
| 260 int argc, |
| 261 Code::ExtraICState extra_ic_state); |
| 250 static void GenerateNormal(MacroAssembler* masm, int argc); | 262 static void GenerateNormal(MacroAssembler* masm, int argc); |
| 251 }; | 263 }; |
| 252 | 264 |
| 253 | 265 |
| 254 class KeyedCallIC: public CallICBase { | 266 class KeyedCallIC: public CallICBase { |
| 255 public: | 267 public: |
| 256 explicit KeyedCallIC(Isolate* isolate) | 268 explicit KeyedCallIC(Isolate* isolate) |
| 257 : CallICBase(Code::KEYED_CALL_IC, isolate) { | 269 : CallICBase(Code::KEYED_CALL_IC, isolate) { |
| 258 ASSERT(target()->is_keyed_call_stub()); | 270 ASSERT(target()->is_keyed_call_stub()); |
| 259 } | 271 } |
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| 625 | 637 |
| 626 Token::Value op_; | 638 Token::Value op_; |
| 627 }; | 639 }; |
| 628 | 640 |
| 629 // Helper for TRBinaryOpIC and CompareIC. | 641 // Helper for TRBinaryOpIC and CompareIC. |
| 630 void PatchInlinedSmiCode(Address address); | 642 void PatchInlinedSmiCode(Address address); |
| 631 | 643 |
| 632 } } // namespace v8::internal | 644 } } // namespace v8::internal |
| 633 | 645 |
| 634 #endif // V8_IC_H_ | 646 #endif // V8_IC_H_ |
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