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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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| 161 V(CALL_NON_FUNCTION_AS_CONSTRUCTOR, 0) \ | 161 V(CALL_NON_FUNCTION_AS_CONSTRUCTOR, 0) \ |
| 162 V(TO_OBJECT, 0) \ | 162 V(TO_OBJECT, 0) \ |
| 163 V(TO_NUMBER, 0) \ | 163 V(TO_NUMBER, 0) \ |
| 164 V(TO_STRING, 0) \ | 164 V(TO_STRING, 0) \ |
| 165 V(STRING_ADD_LEFT, 1) \ | 165 V(STRING_ADD_LEFT, 1) \ |
| 166 V(STRING_ADD_RIGHT, 1) \ | 166 V(STRING_ADD_RIGHT, 1) \ |
| 167 V(APPLY_PREPARE, 1) \ | 167 V(APPLY_PREPARE, 1) \ |
| 168 V(APPLY_OVERFLOW, 1) | 168 V(APPLY_OVERFLOW, 1) |
| 169 | 169 |
| 170 | 170 |
| 171 class BuiltinFunctionTable; |
| 171 class ObjectVisitor; | 172 class ObjectVisitor; |
| 172 | 173 |
| 173 | 174 |
| 174 class Builtins : public AllStatic { | 175 class Builtins { |
| 175 public: | 176 public: |
| 177 ~Builtins(); |
| 178 |
| 176 // Generate all builtin code objects. Should be called once during | 179 // Generate all builtin code objects. Should be called once during |
| 177 // VM initialization. | 180 // isolate initialization. |
| 178 static void Setup(bool create_heap_objects); | 181 void Setup(bool create_heap_objects); |
| 179 static void TearDown(); | 182 void TearDown(); |
| 180 | 183 |
| 181 // Garbage collection support. | 184 // Garbage collection support. |
| 182 static void IterateBuiltins(ObjectVisitor* v); | 185 void IterateBuiltins(ObjectVisitor* v); |
| 183 | 186 |
| 184 // Disassembler support. | 187 // Disassembler support. |
| 185 static const char* Lookup(byte* pc); | 188 const char* Lookup(byte* pc); |
| 186 | 189 |
| 187 enum Name { | 190 enum Name { |
| 188 #define DEF_ENUM_C(name, ignore) name, | 191 #define DEF_ENUM_C(name, ignore) name, |
| 189 #define DEF_ENUM_A(name, kind, state) name, | 192 #define DEF_ENUM_A(name, kind, state) name, |
| 190 BUILTIN_LIST_C(DEF_ENUM_C) | 193 BUILTIN_LIST_C(DEF_ENUM_C) |
| 191 BUILTIN_LIST_A(DEF_ENUM_A) | 194 BUILTIN_LIST_A(DEF_ENUM_A) |
| 192 BUILTIN_LIST_DEBUG_A(DEF_ENUM_A) | 195 BUILTIN_LIST_DEBUG_A(DEF_ENUM_A) |
| 193 #undef DEF_ENUM_C | 196 #undef DEF_ENUM_C |
| 194 #undef DEF_ENUM_A | 197 #undef DEF_ENUM_A |
| 195 builtin_count | 198 builtin_count |
| 196 }; | 199 }; |
| 197 | 200 |
| 198 enum CFunctionId { | 201 enum CFunctionId { |
| 199 #define DEF_ENUM_C(name, ignore) c_##name, | 202 #define DEF_ENUM_C(name, ignore) c_##name, |
| 200 BUILTIN_LIST_C(DEF_ENUM_C) | 203 BUILTIN_LIST_C(DEF_ENUM_C) |
| 201 #undef DEF_ENUM_C | 204 #undef DEF_ENUM_C |
| 202 cfunction_count | 205 cfunction_count |
| 203 }; | 206 }; |
| 204 | 207 |
| 205 enum JavaScript { | 208 enum JavaScript { |
| 206 #define DEF_ENUM(name, ignore) name, | 209 #define DEF_ENUM(name, ignore) name, |
| 207 BUILTINS_LIST_JS(DEF_ENUM) | 210 BUILTINS_LIST_JS(DEF_ENUM) |
| 208 #undef DEF_ENUM | 211 #undef DEF_ENUM |
| 209 id_count | 212 id_count |
| 210 }; | 213 }; |
| 211 | 214 |
| 212 static Code* builtin(Name name) { | 215 Code* builtin(Name name) { |
| 213 // Code::cast cannot be used here since we access builtins | 216 // Code::cast cannot be used here since we access builtins |
| 214 // during the marking phase of mark sweep. See IC::Clear. | 217 // during the marking phase of mark sweep. See IC::Clear. |
| 215 return reinterpret_cast<Code*>(builtins_[name]); | 218 return reinterpret_cast<Code*>(builtins_[name]); |
| 216 } | 219 } |
| 217 | 220 |
| 218 static Address builtin_address(Name name) { | 221 Address builtin_address(Name name) { |
| 219 return reinterpret_cast<Address>(&builtins_[name]); | 222 return reinterpret_cast<Address>(&builtins_[name]); |
| 220 } | 223 } |
| 221 | 224 |
| 222 static Address c_function_address(CFunctionId id) { | 225 static Address c_function_address(CFunctionId id) { |
| 223 return c_functions_[id]; | 226 return c_functions_[id]; |
| 224 } | 227 } |
| 225 | 228 |
| 226 static const char* GetName(JavaScript id) { return javascript_names_[id]; } | 229 static const char* GetName(JavaScript id) { return javascript_names_[id]; } |
| 227 static int GetArgumentsCount(JavaScript id) { return javascript_argc_[id]; } | 230 static int GetArgumentsCount(JavaScript id) { return javascript_argc_[id]; } |
| 228 static Handle<Code> GetCode(JavaScript id, bool* resolved); | 231 Handle<Code> GetCode(JavaScript id, bool* resolved); |
| 229 static int NumberOfJavaScriptBuiltins() { return id_count; } | 232 static int NumberOfJavaScriptBuiltins() { return id_count; } |
| 230 | 233 |
| 234 bool is_initialized() const { return initialized_; } |
| 235 |
| 231 private: | 236 private: |
| 237 Builtins(); |
| 238 |
| 232 // The external C++ functions called from the code. | 239 // The external C++ functions called from the code. |
| 233 static Address c_functions_[cfunction_count]; | 240 static Address const c_functions_[cfunction_count]; |
| 234 | 241 |
| 235 // Note: These are always Code objects, but to conform with | 242 // Note: These are always Code objects, but to conform with |
| 236 // IterateBuiltins() above which assumes Object**'s for the callback | 243 // IterateBuiltins() above which assumes Object**'s for the callback |
| 237 // function f, we use an Object* array here. | 244 // function f, we use an Object* array here. |
| 238 static Object* builtins_[builtin_count]; | 245 Object* builtins_[builtin_count]; |
| 239 static const char* names_[builtin_count]; | 246 const char* names_[builtin_count]; |
| 240 static const char* javascript_names_[id_count]; | 247 static const char* const javascript_names_[id_count]; |
| 241 static int javascript_argc_[id_count]; | 248 static int const javascript_argc_[id_count]; |
| 242 | 249 |
| 243 static void Generate_Adaptor(MacroAssembler* masm, | 250 static void Generate_Adaptor(MacroAssembler* masm, |
| 244 CFunctionId id, | 251 CFunctionId id, |
| 245 BuiltinExtraArguments extra_args); | 252 BuiltinExtraArguments extra_args); |
| 246 static void Generate_JSConstructCall(MacroAssembler* masm); | 253 static void Generate_JSConstructCall(MacroAssembler* masm); |
| 247 static void Generate_JSConstructStubGeneric(MacroAssembler* masm); | 254 static void Generate_JSConstructStubGeneric(MacroAssembler* masm); |
| 248 static void Generate_JSConstructStubApi(MacroAssembler* masm); | 255 static void Generate_JSConstructStubApi(MacroAssembler* masm); |
| 249 static void Generate_JSEntryTrampoline(MacroAssembler* masm); | 256 static void Generate_JSEntryTrampoline(MacroAssembler* masm); |
| 250 static void Generate_JSConstructEntryTrampoline(MacroAssembler* masm); | 257 static void Generate_JSConstructEntryTrampoline(MacroAssembler* masm); |
| 251 static void Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm); | 258 static void Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm); |
| 252 | 259 |
| 253 static void Generate_FunctionCall(MacroAssembler* masm); | 260 static void Generate_FunctionCall(MacroAssembler* masm); |
| 254 static void Generate_FunctionApply(MacroAssembler* masm); | 261 static void Generate_FunctionApply(MacroAssembler* masm); |
| 255 | 262 |
| 256 static void Generate_ArrayCode(MacroAssembler* masm); | 263 static void Generate_ArrayCode(MacroAssembler* masm); |
| 257 static void Generate_ArrayConstructCode(MacroAssembler* masm); | 264 static void Generate_ArrayConstructCode(MacroAssembler* masm); |
| 265 |
| 266 static void InitBuiltinFunctionTable(); |
| 267 |
| 268 bool initialized_; |
| 269 |
| 270 friend class BuiltinFunctionTable; |
| 271 friend class Isolate; |
| 272 |
| 273 DISALLOW_COPY_AND_ASSIGN(Builtins); |
| 258 }; | 274 }; |
| 259 | 275 |
| 260 } } // namespace v8::internal | 276 } } // namespace v8::internal |
| 261 | 277 |
| 262 #endif // V8_BUILTINS_H_ | 278 #endif // V8_BUILTINS_H_ |
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