Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1 | // Copyright 2006-2008 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 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. |
| 27 | |
| 28 | #ifndef V8_BUILTINS_H_ |
| 29 | #define V8_BUILTINS_H_ |
| 30 | |
| 31 | namespace v8 { |
| 32 | namespace internal { |
| 33 | |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame^] | 34 | // Specifies extra arguments required by a C++ builtin. |
| 35 | enum BuiltinExtraArguments { |
| 36 | NO_EXTRA_ARGUMENTS = 0, |
| 37 | NEEDS_CALLED_FUNCTION = 1 |
| 38 | }; |
| 39 | |
| 40 | |
| 41 | // Define list of builtins implemented in C++. |
| 42 | #define BUILTIN_LIST_C(V) \ |
| 43 | V(Illegal, NO_EXTRA_ARGUMENTS) \ |
| 44 | \ |
| 45 | V(EmptyFunction, NO_EXTRA_ARGUMENTS) \ |
| 46 | \ |
| 47 | V(ArrayCodeGeneric, NO_EXTRA_ARGUMENTS) \ |
| 48 | \ |
| 49 | V(ArrayPush, NO_EXTRA_ARGUMENTS) \ |
| 50 | V(ArrayPop, NO_EXTRA_ARGUMENTS) \ |
| 51 | \ |
| 52 | V(HandleApiCall, NEEDS_CALLED_FUNCTION) \ |
| 53 | V(HandleApiCallConstruct, NEEDS_CALLED_FUNCTION) \ |
| 54 | V(HandleApiCallAsFunction, NO_EXTRA_ARGUMENTS) \ |
| 55 | V(HandleApiCallAsConstructor, NO_EXTRA_ARGUMENTS) |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 56 | |
| 57 | |
| 58 | // Define list of builtins implemented in assembly. |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 59 | #define BUILTIN_LIST_A(V) \ |
| 60 | V(ArgumentsAdaptorTrampoline, BUILTIN, UNINITIALIZED) \ |
| 61 | V(JSConstructCall, BUILTIN, UNINITIALIZED) \ |
| 62 | V(JSConstructStubGeneric, BUILTIN, UNINITIALIZED) \ |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame^] | 63 | V(JSConstructStubApi, BUILTIN, UNINITIALIZED) \ |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 64 | V(JSEntryTrampoline, BUILTIN, UNINITIALIZED) \ |
| 65 | V(JSConstructEntryTrampoline, BUILTIN, UNINITIALIZED) \ |
| 66 | \ |
| 67 | V(LoadIC_Miss, BUILTIN, UNINITIALIZED) \ |
| 68 | V(KeyedLoadIC_Miss, BUILTIN, UNINITIALIZED) \ |
| 69 | V(StoreIC_Miss, BUILTIN, UNINITIALIZED) \ |
| 70 | V(KeyedStoreIC_Miss, BUILTIN, UNINITIALIZED) \ |
| 71 | \ |
| 72 | V(StoreIC_ExtendStorage, BUILTIN, UNINITIALIZED) \ |
| 73 | V(KeyedStoreIC_ExtendStorage, BUILTIN, UNINITIALIZED) \ |
| 74 | \ |
| 75 | V(LoadIC_Initialize, LOAD_IC, UNINITIALIZED) \ |
| 76 | V(LoadIC_PreMonomorphic, LOAD_IC, PREMONOMORPHIC) \ |
| 77 | V(LoadIC_Normal, LOAD_IC, MONOMORPHIC) \ |
| 78 | V(LoadIC_ArrayLength, LOAD_IC, MONOMORPHIC) \ |
| 79 | V(LoadIC_StringLength, LOAD_IC, MONOMORPHIC) \ |
| 80 | V(LoadIC_FunctionPrototype, LOAD_IC, MONOMORPHIC) \ |
| 81 | V(LoadIC_Megamorphic, LOAD_IC, MEGAMORPHIC) \ |
| 82 | \ |
| 83 | V(KeyedLoadIC_Initialize, KEYED_LOAD_IC, UNINITIALIZED) \ |
| 84 | V(KeyedLoadIC_PreMonomorphic, KEYED_LOAD_IC, PREMONOMORPHIC) \ |
| 85 | V(KeyedLoadIC_Generic, KEYED_LOAD_IC, MEGAMORPHIC) \ |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame^] | 86 | V(KeyedLoadIC_String, KEYED_LOAD_IC, MEGAMORPHIC) \ |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 87 | V(KeyedLoadIC_ExternalByteArray, KEYED_LOAD_IC, MEGAMORPHIC) \ |
| 88 | V(KeyedLoadIC_ExternalUnsignedByteArray, KEYED_LOAD_IC, MEGAMORPHIC) \ |
| 89 | V(KeyedLoadIC_ExternalShortArray, KEYED_LOAD_IC, MEGAMORPHIC) \ |
| 90 | V(KeyedLoadIC_ExternalUnsignedShortArray, KEYED_LOAD_IC, MEGAMORPHIC) \ |
| 91 | V(KeyedLoadIC_ExternalIntArray, KEYED_LOAD_IC, MEGAMORPHIC) \ |
| 92 | V(KeyedLoadIC_ExternalUnsignedIntArray, KEYED_LOAD_IC, MEGAMORPHIC) \ |
| 93 | V(KeyedLoadIC_ExternalFloatArray, KEYED_LOAD_IC, MEGAMORPHIC) \ |
| 94 | \ |
| 95 | V(StoreIC_Initialize, STORE_IC, UNINITIALIZED) \ |
| 96 | V(StoreIC_Megamorphic, STORE_IC, MEGAMORPHIC) \ |
| 97 | \ |
| 98 | V(KeyedStoreIC_Initialize, KEYED_STORE_IC, UNINITIALIZED) \ |
| 99 | V(KeyedStoreIC_Generic, KEYED_STORE_IC, MEGAMORPHIC) \ |
| 100 | V(KeyedStoreIC_ExternalByteArray, KEYED_STORE_IC, MEGAMORPHIC) \ |
| 101 | V(KeyedStoreIC_ExternalUnsignedByteArray, KEYED_STORE_IC, MEGAMORPHIC) \ |
| 102 | V(KeyedStoreIC_ExternalShortArray, KEYED_STORE_IC, MEGAMORPHIC) \ |
| 103 | V(KeyedStoreIC_ExternalUnsignedShortArray, KEYED_STORE_IC, MEGAMORPHIC) \ |
| 104 | V(KeyedStoreIC_ExternalIntArray, KEYED_STORE_IC, MEGAMORPHIC) \ |
| 105 | V(KeyedStoreIC_ExternalUnsignedIntArray, KEYED_STORE_IC, MEGAMORPHIC) \ |
| 106 | V(KeyedStoreIC_ExternalFloatArray, KEYED_STORE_IC, MEGAMORPHIC) \ |
| 107 | \ |
| 108 | /* Uses KeyedLoadIC_Initialize; must be after in list. */ \ |
| 109 | V(FunctionCall, BUILTIN, UNINITIALIZED) \ |
| 110 | V(FunctionApply, BUILTIN, UNINITIALIZED) \ |
| 111 | \ |
| 112 | V(ArrayCode, BUILTIN, UNINITIALIZED) \ |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 113 | V(ArrayConstructCode, BUILTIN, UNINITIALIZED) |
| 114 | |
| 115 | #ifdef ENABLE_DEBUGGER_SUPPORT |
| 116 | // Define list of builtins used by the debugger implemented in assembly. |
| 117 | #define BUILTIN_LIST_DEBUG_A(V) \ |
| 118 | V(Return_DebugBreak, BUILTIN, DEBUG_BREAK) \ |
| 119 | V(ConstructCall_DebugBreak, BUILTIN, DEBUG_BREAK) \ |
| 120 | V(StubNoRegisters_DebugBreak, BUILTIN, DEBUG_BREAK) \ |
| 121 | V(LoadIC_DebugBreak, LOAD_IC, DEBUG_BREAK) \ |
| 122 | V(KeyedLoadIC_DebugBreak, KEYED_LOAD_IC, DEBUG_BREAK) \ |
| 123 | V(StoreIC_DebugBreak, STORE_IC, DEBUG_BREAK) \ |
| 124 | V(KeyedStoreIC_DebugBreak, KEYED_STORE_IC, DEBUG_BREAK) |
| 125 | #else |
| 126 | #define BUILTIN_LIST_DEBUG_A(V) |
| 127 | #endif |
| 128 | |
| 129 | // Define list of builtins implemented in JavaScript. |
| 130 | #define BUILTINS_LIST_JS(V) \ |
| 131 | V(EQUALS, 1) \ |
| 132 | V(STRICT_EQUALS, 1) \ |
| 133 | V(COMPARE, 2) \ |
| 134 | V(ADD, 1) \ |
| 135 | V(SUB, 1) \ |
| 136 | V(MUL, 1) \ |
| 137 | V(DIV, 1) \ |
| 138 | V(MOD, 1) \ |
| 139 | V(BIT_OR, 1) \ |
| 140 | V(BIT_AND, 1) \ |
| 141 | V(BIT_XOR, 1) \ |
| 142 | V(UNARY_MINUS, 0) \ |
| 143 | V(BIT_NOT, 0) \ |
| 144 | V(SHL, 1) \ |
| 145 | V(SAR, 1) \ |
| 146 | V(SHR, 1) \ |
| 147 | V(DELETE, 1) \ |
| 148 | V(IN, 1) \ |
| 149 | V(INSTANCE_OF, 1) \ |
| 150 | V(GET_KEYS, 0) \ |
| 151 | V(FILTER_KEY, 1) \ |
| 152 | V(CALL_NON_FUNCTION, 0) \ |
| 153 | V(CALL_NON_FUNCTION_AS_CONSTRUCTOR, 0) \ |
| 154 | V(TO_OBJECT, 0) \ |
| 155 | V(TO_NUMBER, 0) \ |
| 156 | V(TO_STRING, 0) \ |
| 157 | V(STRING_ADD_LEFT, 1) \ |
| 158 | V(STRING_ADD_RIGHT, 1) \ |
| 159 | V(APPLY_PREPARE, 1) \ |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame^] | 160 | V(APPLY_OVERFLOW, 1) \ |
| 161 | V(STRING_CHAR_AT, 1) |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 162 | |
| 163 | |
| 164 | class ObjectVisitor; |
| 165 | |
| 166 | |
| 167 | class Builtins : public AllStatic { |
| 168 | public: |
| 169 | // Generate all builtin code objects. Should be called once during |
| 170 | // VM initialization. |
| 171 | static void Setup(bool create_heap_objects); |
| 172 | static void TearDown(); |
| 173 | |
| 174 | // Garbage collection support. |
| 175 | static void IterateBuiltins(ObjectVisitor* v); |
| 176 | |
| 177 | // Disassembler support. |
| 178 | static const char* Lookup(byte* pc); |
| 179 | |
| 180 | enum Name { |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame^] | 181 | #define DEF_ENUM_C(name, ignore) name, |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 182 | #define DEF_ENUM_A(name, kind, state) name, |
| 183 | BUILTIN_LIST_C(DEF_ENUM_C) |
| 184 | BUILTIN_LIST_A(DEF_ENUM_A) |
| 185 | BUILTIN_LIST_DEBUG_A(DEF_ENUM_A) |
| 186 | #undef DEF_ENUM_C |
| 187 | #undef DEF_ENUM_A |
| 188 | builtin_count |
| 189 | }; |
| 190 | |
| 191 | enum CFunctionId { |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame^] | 192 | #define DEF_ENUM_C(name, ignore) c_##name, |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 193 | BUILTIN_LIST_C(DEF_ENUM_C) |
| 194 | #undef DEF_ENUM_C |
| 195 | cfunction_count |
| 196 | }; |
| 197 | |
| 198 | enum JavaScript { |
| 199 | #define DEF_ENUM(name, ignore) name, |
| 200 | BUILTINS_LIST_JS(DEF_ENUM) |
| 201 | #undef DEF_ENUM |
| 202 | id_count |
| 203 | }; |
| 204 | |
| 205 | static Code* builtin(Name name) { |
| 206 | // Code::cast cannot be used here since we access builtins |
| 207 | // during the marking phase of mark sweep. See IC::Clear. |
| 208 | return reinterpret_cast<Code*>(builtins_[name]); |
| 209 | } |
| 210 | |
| 211 | static Address builtin_address(Name name) { |
| 212 | return reinterpret_cast<Address>(&builtins_[name]); |
| 213 | } |
| 214 | |
| 215 | static Address c_function_address(CFunctionId id) { |
| 216 | return c_functions_[id]; |
| 217 | } |
| 218 | |
| 219 | static const char* GetName(JavaScript id) { return javascript_names_[id]; } |
| 220 | static int GetArgumentsCount(JavaScript id) { return javascript_argc_[id]; } |
| 221 | static Handle<Code> GetCode(JavaScript id, bool* resolved); |
| 222 | static int NumberOfJavaScriptBuiltins() { return id_count; } |
| 223 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 224 | private: |
| 225 | // The external C++ functions called from the code. |
| 226 | static Address c_functions_[cfunction_count]; |
| 227 | |
| 228 | // Note: These are always Code objects, but to conform with |
| 229 | // IterateBuiltins() above which assumes Object**'s for the callback |
| 230 | // function f, we use an Object* array here. |
| 231 | static Object* builtins_[builtin_count]; |
| 232 | static const char* names_[builtin_count]; |
| 233 | static const char* javascript_names_[id_count]; |
| 234 | static int javascript_argc_[id_count]; |
| 235 | |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame^] | 236 | static void Generate_Adaptor(MacroAssembler* masm, |
| 237 | CFunctionId id, |
| 238 | BuiltinExtraArguments extra_args); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 239 | static void Generate_JSConstructCall(MacroAssembler* masm); |
| 240 | static void Generate_JSConstructStubGeneric(MacroAssembler* masm); |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame^] | 241 | static void Generate_JSConstructStubApi(MacroAssembler* masm); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 242 | static void Generate_JSEntryTrampoline(MacroAssembler* masm); |
| 243 | static void Generate_JSConstructEntryTrampoline(MacroAssembler* masm); |
| 244 | static void Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm); |
| 245 | |
| 246 | static void Generate_FunctionCall(MacroAssembler* masm); |
| 247 | static void Generate_FunctionApply(MacroAssembler* masm); |
| 248 | |
| 249 | static void Generate_ArrayCode(MacroAssembler* masm); |
| 250 | static void Generate_ArrayConstructCode(MacroAssembler* masm); |
| 251 | }; |
| 252 | |
| 253 | } } // namespace v8::internal |
| 254 | |
| 255 | #endif // V8_BUILTINS_H_ |