| // Copyright 2006-2008 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef V8_BUILTINS_H_ |
| #define V8_BUILTINS_H_ |
| |
| namespace v8 { |
| namespace internal { |
| |
| // Specifies extra arguments required by a C++ builtin. |
| enum BuiltinExtraArguments { |
| NO_EXTRA_ARGUMENTS = 0, |
| NEEDS_CALLED_FUNCTION = 1 |
| }; |
| |
| |
| // Define list of builtins implemented in C++. |
| #define BUILTIN_LIST_C(V) \ |
| V(Illegal, NO_EXTRA_ARGUMENTS) \ |
| \ |
| V(EmptyFunction, NO_EXTRA_ARGUMENTS) \ |
| \ |
| V(ArrayCodeGeneric, NO_EXTRA_ARGUMENTS) \ |
| \ |
| V(ArrayPush, NO_EXTRA_ARGUMENTS) \ |
| V(ArrayPop, NO_EXTRA_ARGUMENTS) \ |
| V(ArrayShift, NO_EXTRA_ARGUMENTS) \ |
| V(ArrayUnshift, NO_EXTRA_ARGUMENTS) \ |
| V(ArraySlice, NO_EXTRA_ARGUMENTS) \ |
| V(ArraySplice, NO_EXTRA_ARGUMENTS) \ |
| V(ArrayConcat, NO_EXTRA_ARGUMENTS) \ |
| \ |
| V(HandleApiCall, NEEDS_CALLED_FUNCTION) \ |
| V(FastHandleApiCall, NO_EXTRA_ARGUMENTS) \ |
| V(HandleApiCallConstruct, NEEDS_CALLED_FUNCTION) \ |
| V(HandleApiCallAsFunction, NO_EXTRA_ARGUMENTS) \ |
| V(HandleApiCallAsConstructor, NO_EXTRA_ARGUMENTS) |
| |
| |
| // Define list of builtins implemented in assembly. |
| #define BUILTIN_LIST_A(V) \ |
| V(ArgumentsAdaptorTrampoline, BUILTIN, UNINITIALIZED) \ |
| V(JSConstructCall, BUILTIN, UNINITIALIZED) \ |
| V(JSConstructStubCountdown, BUILTIN, UNINITIALIZED) \ |
| V(JSConstructStubGeneric, BUILTIN, UNINITIALIZED) \ |
| V(JSConstructStubApi, BUILTIN, UNINITIALIZED) \ |
| V(JSEntryTrampoline, BUILTIN, UNINITIALIZED) \ |
| V(JSConstructEntryTrampoline, BUILTIN, UNINITIALIZED) \ |
| V(LazyCompile, BUILTIN, UNINITIALIZED) \ |
| \ |
| V(LoadIC_Miss, BUILTIN, UNINITIALIZED) \ |
| V(KeyedLoadIC_Miss, BUILTIN, UNINITIALIZED) \ |
| V(StoreIC_Miss, BUILTIN, UNINITIALIZED) \ |
| V(KeyedStoreIC_Miss, BUILTIN, UNINITIALIZED) \ |
| \ |
| V(LoadIC_Initialize, LOAD_IC, UNINITIALIZED) \ |
| V(LoadIC_PreMonomorphic, LOAD_IC, PREMONOMORPHIC) \ |
| V(LoadIC_Normal, LOAD_IC, MONOMORPHIC) \ |
| V(LoadIC_ArrayLength, LOAD_IC, MONOMORPHIC) \ |
| V(LoadIC_StringLength, LOAD_IC, MONOMORPHIC) \ |
| V(LoadIC_FunctionPrototype, LOAD_IC, MONOMORPHIC) \ |
| V(LoadIC_Megamorphic, LOAD_IC, MEGAMORPHIC) \ |
| \ |
| V(KeyedLoadIC_Initialize, KEYED_LOAD_IC, UNINITIALIZED) \ |
| V(KeyedLoadIC_PreMonomorphic, KEYED_LOAD_IC, PREMONOMORPHIC) \ |
| V(KeyedLoadIC_Generic, KEYED_LOAD_IC, MEGAMORPHIC) \ |
| V(KeyedLoadIC_String, KEYED_LOAD_IC, MEGAMORPHIC) \ |
| V(KeyedLoadIC_ExternalByteArray, KEYED_LOAD_IC, MEGAMORPHIC) \ |
| V(KeyedLoadIC_ExternalUnsignedByteArray, KEYED_LOAD_IC, MEGAMORPHIC) \ |
| V(KeyedLoadIC_ExternalShortArray, KEYED_LOAD_IC, MEGAMORPHIC) \ |
| V(KeyedLoadIC_ExternalUnsignedShortArray, KEYED_LOAD_IC, MEGAMORPHIC) \ |
| V(KeyedLoadIC_ExternalIntArray, KEYED_LOAD_IC, MEGAMORPHIC) \ |
| V(KeyedLoadIC_ExternalUnsignedIntArray, KEYED_LOAD_IC, MEGAMORPHIC) \ |
| V(KeyedLoadIC_ExternalFloatArray, KEYED_LOAD_IC, MEGAMORPHIC) \ |
| V(KeyedLoadIC_IndexedInterceptor, KEYED_LOAD_IC, MEGAMORPHIC) \ |
| \ |
| V(StoreIC_Initialize, STORE_IC, UNINITIALIZED) \ |
| V(StoreIC_ArrayLength, STORE_IC, MONOMORPHIC) \ |
| V(StoreIC_Normal, STORE_IC, MONOMORPHIC) \ |
| V(StoreIC_Megamorphic, STORE_IC, MEGAMORPHIC) \ |
| \ |
| V(KeyedStoreIC_Initialize, KEYED_STORE_IC, UNINITIALIZED) \ |
| V(KeyedStoreIC_Generic, KEYED_STORE_IC, MEGAMORPHIC) \ |
| V(KeyedStoreIC_ExternalByteArray, KEYED_STORE_IC, MEGAMORPHIC) \ |
| V(KeyedStoreIC_ExternalUnsignedByteArray, KEYED_STORE_IC, MEGAMORPHIC) \ |
| V(KeyedStoreIC_ExternalShortArray, KEYED_STORE_IC, MEGAMORPHIC) \ |
| V(KeyedStoreIC_ExternalUnsignedShortArray, KEYED_STORE_IC, MEGAMORPHIC) \ |
| V(KeyedStoreIC_ExternalIntArray, KEYED_STORE_IC, MEGAMORPHIC) \ |
| V(KeyedStoreIC_ExternalUnsignedIntArray, KEYED_STORE_IC, MEGAMORPHIC) \ |
| V(KeyedStoreIC_ExternalFloatArray, KEYED_STORE_IC, MEGAMORPHIC) \ |
| \ |
| /* Uses KeyedLoadIC_Initialize; must be after in list. */ \ |
| V(FunctionCall, BUILTIN, UNINITIALIZED) \ |
| V(FunctionApply, BUILTIN, UNINITIALIZED) \ |
| \ |
| V(ArrayCode, BUILTIN, UNINITIALIZED) \ |
| V(ArrayConstructCode, BUILTIN, UNINITIALIZED) \ |
| \ |
| V(StringConstructCode, BUILTIN, UNINITIALIZED) |
| |
| |
| #ifdef ENABLE_DEBUGGER_SUPPORT |
| // Define list of builtins used by the debugger implemented in assembly. |
| #define BUILTIN_LIST_DEBUG_A(V) \ |
| V(Return_DebugBreak, BUILTIN, DEBUG_BREAK) \ |
| V(ConstructCall_DebugBreak, BUILTIN, DEBUG_BREAK) \ |
| V(StubNoRegisters_DebugBreak, BUILTIN, DEBUG_BREAK) \ |
| V(LoadIC_DebugBreak, LOAD_IC, DEBUG_BREAK) \ |
| V(KeyedLoadIC_DebugBreak, KEYED_LOAD_IC, DEBUG_BREAK) \ |
| V(StoreIC_DebugBreak, STORE_IC, DEBUG_BREAK) \ |
| V(KeyedStoreIC_DebugBreak, KEYED_STORE_IC, DEBUG_BREAK) \ |
| V(Slot_DebugBreak, BUILTIN, DEBUG_BREAK) \ |
| V(PlainReturn_LiveEdit, BUILTIN, DEBUG_BREAK) \ |
| V(FrameDropper_LiveEdit, BUILTIN, DEBUG_BREAK) |
| #else |
| #define BUILTIN_LIST_DEBUG_A(V) |
| #endif |
| |
| // Define list of builtins implemented in JavaScript. |
| #define BUILTINS_LIST_JS(V) \ |
| V(EQUALS, 1) \ |
| V(STRICT_EQUALS, 1) \ |
| V(COMPARE, 2) \ |
| V(ADD, 1) \ |
| V(SUB, 1) \ |
| V(MUL, 1) \ |
| V(DIV, 1) \ |
| V(MOD, 1) \ |
| V(BIT_OR, 1) \ |
| V(BIT_AND, 1) \ |
| V(BIT_XOR, 1) \ |
| V(UNARY_MINUS, 0) \ |
| V(BIT_NOT, 0) \ |
| V(SHL, 1) \ |
| V(SAR, 1) \ |
| V(SHR, 1) \ |
| V(DELETE, 1) \ |
| V(IN, 1) \ |
| V(INSTANCE_OF, 1) \ |
| V(GET_KEYS, 0) \ |
| V(FILTER_KEY, 1) \ |
| V(CALL_NON_FUNCTION, 0) \ |
| V(CALL_NON_FUNCTION_AS_CONSTRUCTOR, 0) \ |
| V(TO_OBJECT, 0) \ |
| V(TO_NUMBER, 0) \ |
| V(TO_STRING, 0) \ |
| V(STRING_ADD_LEFT, 1) \ |
| V(STRING_ADD_RIGHT, 1) \ |
| V(APPLY_PREPARE, 1) \ |
| V(APPLY_OVERFLOW, 1) |
| |
| |
| class ObjectVisitor; |
| |
| |
| class Builtins : public AllStatic { |
| public: |
| // Generate all builtin code objects. Should be called once during |
| // VM initialization. |
| static void Setup(bool create_heap_objects); |
| static void TearDown(); |
| |
| // Garbage collection support. |
| static void IterateBuiltins(ObjectVisitor* v); |
| |
| // Disassembler support. |
| static const char* Lookup(byte* pc); |
| |
| enum Name { |
| #define DEF_ENUM_C(name, ignore) name, |
| #define DEF_ENUM_A(name, kind, state) name, |
| BUILTIN_LIST_C(DEF_ENUM_C) |
| BUILTIN_LIST_A(DEF_ENUM_A) |
| BUILTIN_LIST_DEBUG_A(DEF_ENUM_A) |
| #undef DEF_ENUM_C |
| #undef DEF_ENUM_A |
| builtin_count |
| }; |
| |
| enum CFunctionId { |
| #define DEF_ENUM_C(name, ignore) c_##name, |
| BUILTIN_LIST_C(DEF_ENUM_C) |
| #undef DEF_ENUM_C |
| cfunction_count |
| }; |
| |
| enum JavaScript { |
| #define DEF_ENUM(name, ignore) name, |
| BUILTINS_LIST_JS(DEF_ENUM) |
| #undef DEF_ENUM |
| id_count |
| }; |
| |
| static Code* builtin(Name name) { |
| // Code::cast cannot be used here since we access builtins |
| // during the marking phase of mark sweep. See IC::Clear. |
| return reinterpret_cast<Code*>(builtins_[name]); |
| } |
| |
| static Address builtin_address(Name name) { |
| return reinterpret_cast<Address>(&builtins_[name]); |
| } |
| |
| static Address c_function_address(CFunctionId id) { |
| return c_functions_[id]; |
| } |
| |
| static const char* GetName(JavaScript id) { return javascript_names_[id]; } |
| static int GetArgumentsCount(JavaScript id) { return javascript_argc_[id]; } |
| static Handle<Code> GetCode(JavaScript id, bool* resolved); |
| static int NumberOfJavaScriptBuiltins() { return id_count; } |
| |
| private: |
| // The external C++ functions called from the code. |
| static Address c_functions_[cfunction_count]; |
| |
| // Note: These are always Code objects, but to conform with |
| // IterateBuiltins() above which assumes Object**'s for the callback |
| // function f, we use an Object* array here. |
| static Object* builtins_[builtin_count]; |
| static const char* names_[builtin_count]; |
| static const char* javascript_names_[id_count]; |
| static int javascript_argc_[id_count]; |
| |
| static void Generate_Adaptor(MacroAssembler* masm, |
| CFunctionId id, |
| BuiltinExtraArguments extra_args); |
| static void Generate_JSConstructCall(MacroAssembler* masm); |
| static void Generate_JSConstructStubCountdown(MacroAssembler* masm); |
| static void Generate_JSConstructStubGeneric(MacroAssembler* masm); |
| static void Generate_JSConstructStubApi(MacroAssembler* masm); |
| static void Generate_JSEntryTrampoline(MacroAssembler* masm); |
| static void Generate_JSConstructEntryTrampoline(MacroAssembler* masm); |
| static void Generate_LazyCompile(MacroAssembler* masm); |
| static void Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm); |
| |
| static void Generate_FunctionCall(MacroAssembler* masm); |
| static void Generate_FunctionApply(MacroAssembler* masm); |
| |
| static void Generate_ArrayCode(MacroAssembler* masm); |
| static void Generate_ArrayConstructCode(MacroAssembler* masm); |
| |
| static void Generate_StringConstructCode(MacroAssembler* masm); |
| }; |
| |
| } } // namespace v8::internal |
| |
| #endif // V8_BUILTINS_H_ |
