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| 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 #include "v8.h" | |
| 29 | |
| 30 #include "ic-inl.h" | |
| 31 #include "codegen-inl.h" | |
| 32 #include "stub-cache.h" | |
| 33 | |
| 34 namespace v8 { namespace internal { | |
| 35 | |
| 36 #define __ ACCESS_MASM(masm) | |
| 37 | |
| 38 | |
| 39 static void ProbeTable(MacroAssembler* masm, | |
| 40 Code::Flags flags, | |
| 41 StubCache::Table table, | |
| 42 Register name, | |
| 43 Register offset) { | |
| 44 ExternalReference key_offset(SCTableReference::keyReference(table)); | |
| 45 ExternalReference value_offset(SCTableReference::valueReference(table)); | |
| 46 | |
| 47 Label miss; | |
| 48 | |
| 49 // Save the offset on the stack. | |
| 50 __ push(offset); | |
| 51 | |
| 52 // Check that the key in the entry matches the name. | |
| 53 __ cmp(name, Operand::StaticArray(offset, times_2, key_offset)); | |
| 54 __ j(not_equal, &miss, not_taken); | |
| 55 | |
| 56 // Get the code entry from the cache. | |
| 57 __ mov(offset, Operand::StaticArray(offset, times_2, value_offset)); | |
| 58 | |
| 59 // Check that the flags match what we're looking for. | |
| 60 __ mov(offset, FieldOperand(offset, Code::kFlagsOffset)); | |
| 61 __ and_(offset, ~Code::kFlagsTypeMask); | |
| 62 __ cmp(offset, flags); | |
| 63 __ j(not_equal, &miss); | |
| 64 | |
| 65 // Restore offset and re-load code entry from cache. | |
| 66 __ pop(offset); | |
| 67 __ mov(offset, Operand::StaticArray(offset, times_2, value_offset)); | |
| 68 | |
| 69 // Jump to the first instruction in the code stub. | |
| 70 __ add(Operand(offset), Immediate(Code::kHeaderSize - kHeapObjectTag)); | |
| 71 __ jmp(Operand(offset)); | |
| 72 | |
| 73 // Miss: Restore offset and fall through. | |
| 74 __ bind(&miss); | |
| 75 __ pop(offset); | |
| 76 } | |
| 77 | |
| 78 | |
| 79 void StubCache::GenerateProbe(MacroAssembler* masm, | |
| 80 Code::Flags flags, | |
| 81 Register receiver, | |
| 82 Register name, | |
| 83 Register scratch) { | |
| 84 Label miss; | |
| 85 | |
| 86 // Make sure that code is valid. The shifting code relies on the | |
| 87 // entry size being 8. | |
| 88 ASSERT(sizeof(Entry) == 8); | |
| 89 | |
| 90 // Make sure the flags does not name a specific type. | |
| 91 ASSERT(Code::ExtractTypeFromFlags(flags) == 0); | |
| 92 | |
| 93 // Make sure that there are no register conflicts. | |
| 94 ASSERT(!scratch.is(receiver)); | |
| 95 ASSERT(!scratch.is(name)); | |
| 96 | |
| 97 // Check that the receiver isn't a smi. | |
| 98 __ test(receiver, Immediate(kSmiTagMask)); | |
| 99 __ j(zero, &miss, not_taken); | |
| 100 | |
| 101 // Get the map of the receiver and compute the hash. | |
| 102 __ mov(scratch, FieldOperand(name, String::kLengthOffset)); | |
| 103 __ add(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); | |
| 104 __ xor_(scratch, flags); | |
| 105 __ and_(scratch, (kPrimaryTableSize - 1) << kHeapObjectTagSize); | |
| 106 | |
| 107 // Probe the primary table. | |
| 108 ProbeTable(masm, flags, kPrimary, name, scratch); | |
| 109 | |
| 110 // Primary miss: Compute hash for secondary probe. | |
| 111 __ sub(scratch, Operand(name)); | |
| 112 __ add(Operand(scratch), Immediate(flags)); | |
| 113 __ and_(scratch, (kSecondaryTableSize - 1) << kHeapObjectTagSize); | |
| 114 | |
| 115 // Probe the secondary table. | |
| 116 ProbeTable(masm, flags, kSecondary, name, scratch); | |
| 117 | |
| 118 // Cache miss: Fall-through and let caller handle the miss by | |
| 119 // entering the runtime system. | |
| 120 __ bind(&miss); | |
| 121 } | |
| 122 | |
| 123 | |
| 124 void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm, | |
| 125 int index, | |
| 126 Register prototype) { | |
| 127 // Load the global or builtins object from the current context. | |
| 128 __ mov(prototype, Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX))); | |
| 129 // Load the global context from the global or builtins object. | |
| 130 __ mov(prototype, | |
| 131 FieldOperand(prototype, GlobalObject::kGlobalContextOffset)); | |
| 132 // Load the function from the global context. | |
| 133 __ mov(prototype, Operand(prototype, Context::SlotOffset(index))); | |
| 134 // Load the initial map. The global functions all have initial maps. | |
| 135 __ mov(prototype, | |
| 136 FieldOperand(prototype, JSFunction::kPrototypeOrInitialMapOffset)); | |
| 137 // Load the prototype from the initial map. | |
| 138 __ mov(prototype, FieldOperand(prototype, Map::kPrototypeOffset)); | |
| 139 } | |
| 140 | |
| 141 | |
| 142 void StubCompiler::GenerateLoadArrayLength(MacroAssembler* masm, | |
| 143 Register receiver, | |
| 144 Register scratch, | |
| 145 Label* miss_label) { | |
| 146 // Check that the receiver isn't a smi. | |
| 147 __ test(receiver, Immediate(kSmiTagMask)); | |
| 148 __ j(zero, miss_label, not_taken); | |
| 149 | |
| 150 // Check that the object is a JS array. | |
| 151 __ CmpObjectType(receiver, JS_ARRAY_TYPE, scratch); | |
| 152 __ j(not_equal, miss_label, not_taken); | |
| 153 | |
| 154 // Load length directly from the JS array. | |
| 155 __ mov(eax, FieldOperand(receiver, JSArray::kLengthOffset)); | |
| 156 __ ret(0); | |
| 157 } | |
| 158 | |
| 159 | |
| 160 // Generate code to check if an object is a string. If the object is | |
| 161 // a string, the map's instance type is left in the scratch register. | |
| 162 static void GenerateStringCheck(MacroAssembler* masm, | |
| 163 Register receiver, | |
| 164 Register scratch, | |
| 165 Label* smi, | |
| 166 Label* non_string_object) { | |
| 167 // Check that the object isn't a smi. | |
| 168 __ test(receiver, Immediate(kSmiTagMask)); | |
| 169 __ j(zero, smi, not_taken); | |
| 170 | |
| 171 // Check that the object is a string. | |
| 172 __ mov(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); | |
| 173 __ movzx_b(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset)); | |
| 174 ASSERT(kNotStringTag != 0); | |
| 175 __ test(scratch, Immediate(kNotStringTag)); | |
| 176 __ j(not_zero, non_string_object, not_taken); | |
| 177 } | |
| 178 | |
| 179 | |
| 180 void StubCompiler::GenerateLoadStringLength(MacroAssembler* masm, | |
| 181 Register receiver, | |
| 182 Register scratch, | |
| 183 Label* miss) { | |
| 184 Label load_length, check_wrapper; | |
| 185 | |
| 186 // Check if the object is a string leaving the instance type in the | |
| 187 // scratch register. | |
| 188 GenerateStringCheck(masm, receiver, scratch, miss, &check_wrapper); | |
| 189 | |
| 190 // Load length directly from the string. | |
| 191 __ bind(&load_length); | |
| 192 __ and_(scratch, kStringSizeMask); | |
| 193 __ mov(eax, FieldOperand(receiver, String::kLengthOffset)); | |
| 194 // ecx is also the receiver. | |
| 195 __ lea(ecx, Operand(scratch, String::kLongLengthShift)); | |
| 196 __ shr(eax); // ecx is implicit shift register. | |
| 197 __ shl(eax, kSmiTagSize); | |
| 198 __ ret(0); | |
| 199 | |
| 200 // Check if the object is a JSValue wrapper. | |
| 201 __ bind(&check_wrapper); | |
| 202 __ cmp(scratch, JS_VALUE_TYPE); | |
| 203 __ j(not_equal, miss, not_taken); | |
| 204 | |
| 205 // Check if the wrapped value is a string and load the length | |
| 206 // directly if it is. | |
| 207 __ mov(receiver, FieldOperand(receiver, JSValue::kValueOffset)); | |
| 208 GenerateStringCheck(masm, receiver, scratch, miss, miss); | |
| 209 __ jmp(&load_length); | |
| 210 } | |
| 211 | |
| 212 | |
| 213 void StubCompiler::GenerateLoadFunctionPrototype(MacroAssembler* masm, | |
| 214 Register receiver, | |
| 215 Register scratch1, | |
| 216 Register scratch2, | |
| 217 Label* miss_label) { | |
| 218 __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label); | |
| 219 __ mov(eax, Operand(scratch1)); | |
| 220 __ ret(0); | |
| 221 } | |
| 222 | |
| 223 | |
| 224 // Load a fast property out of a holder object (src). In-object properties | |
| 225 // are loaded directly otherwise the property is loaded from the properties | |
| 226 // fixed array. | |
| 227 void StubCompiler::GenerateFastPropertyLoad(MacroAssembler* masm, | |
| 228 Register dst, Register src, | |
| 229 JSObject* holder, int index) { | |
| 230 // Adjust for the number of properties stored in the holder. | |
| 231 index -= holder->map()->inobject_properties(); | |
| 232 if (index < 0) { | |
| 233 // Get the property straight out of the holder. | |
| 234 int offset = holder->map()->instance_size() + (index * kPointerSize); | |
| 235 __ mov(dst, FieldOperand(src, offset)); | |
| 236 } else { | |
| 237 // Calculate the offset into the properties array. | |
| 238 int offset = index * kPointerSize + Array::kHeaderSize; | |
| 239 __ mov(dst, FieldOperand(src, JSObject::kPropertiesOffset)); | |
| 240 __ mov(dst, FieldOperand(dst, offset)); | |
| 241 } | |
| 242 } | |
| 243 | |
| 244 | |
| 245 void StubCompiler::GenerateLoadField(MacroAssembler* masm, | |
| 246 JSObject* object, | |
| 247 JSObject* holder, | |
| 248 Register receiver, | |
| 249 Register scratch1, | |
| 250 Register scratch2, | |
| 251 int index, | |
| 252 Label* miss_label) { | |
| 253 // Check that the receiver isn't a smi. | |
| 254 __ test(receiver, Immediate(kSmiTagMask)); | |
| 255 __ j(zero, miss_label, not_taken); | |
| 256 | |
| 257 // Check that the maps haven't changed. | |
| 258 Register reg = | |
| 259 masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label); | |
| 260 | |
| 261 // Get the value from the properties. | |
| 262 GenerateFastPropertyLoad(masm, eax, reg, holder, index); | |
| 263 __ ret(0); | |
| 264 } | |
| 265 | |
| 266 | |
| 267 void StubCompiler::GenerateLoadCallback(MacroAssembler* masm, | |
| 268 JSObject* object, | |
| 269 JSObject* holder, | |
| 270 Register receiver, | |
| 271 Register name, | |
| 272 Register scratch1, | |
| 273 Register scratch2, | |
| 274 AccessorInfo* callback, | |
| 275 Label* miss_label) { | |
| 276 // Check that the receiver isn't a smi. | |
| 277 __ test(receiver, Immediate(kSmiTagMask)); | |
| 278 __ j(zero, miss_label, not_taken); | |
| 279 | |
| 280 // Check that the maps haven't changed. | |
| 281 Register reg = | |
| 282 masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label); | |
| 283 | |
| 284 // Push the arguments on the JS stack of the caller. | |
| 285 __ pop(scratch2); // remove return address | |
| 286 __ push(receiver); // receiver | |
| 287 __ push(Immediate(Handle<AccessorInfo>(callback))); // callback data | |
| 288 __ push(name); // name | |
| 289 __ push(reg); // holder | |
| 290 __ push(scratch2); // restore return address | |
| 291 | |
| 292 // Do tail-call to the runtime system. | |
| 293 ExternalReference load_callback_property = | |
| 294 ExternalReference(IC_Utility(IC::kLoadCallbackProperty)); | |
| 295 __ TailCallRuntime(load_callback_property, 4); | |
| 296 } | |
| 297 | |
| 298 | |
| 299 void StubCompiler::GenerateLoadConstant(MacroAssembler* masm, | |
| 300 JSObject* object, | |
| 301 JSObject* holder, | |
| 302 Register receiver, | |
| 303 Register scratch1, | |
| 304 Register scratch2, | |
| 305 Object* value, | |
| 306 Label* miss_label) { | |
| 307 // Check that the receiver isn't a smi. | |
| 308 __ test(receiver, Immediate(kSmiTagMask)); | |
| 309 __ j(zero, miss_label, not_taken); | |
| 310 | |
| 311 // Check that the maps haven't changed. | |
| 312 Register reg = | |
| 313 masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label); | |
| 314 | |
| 315 // Return the constant value. | |
| 316 __ mov(eax, Handle<Object>(value)); | |
| 317 __ ret(0); | |
| 318 } | |
| 319 | |
| 320 | |
| 321 void StubCompiler::GenerateLoadInterceptor(MacroAssembler* masm, | |
| 322 JSObject* object, | |
| 323 JSObject* holder, | |
| 324 Register receiver, | |
| 325 Register name, | |
| 326 Register scratch1, | |
| 327 Register scratch2, | |
| 328 Label* miss_label) { | |
| 329 // Check that the receiver isn't a smi. | |
| 330 __ test(receiver, Immediate(kSmiTagMask)); | |
| 331 __ j(zero, miss_label, not_taken); | |
| 332 | |
| 333 // Check that the maps haven't changed. | |
| 334 Register reg = | |
| 335 masm->CheckMaps(object, receiver, holder, scratch1, scratch2, miss_label); | |
| 336 | |
| 337 // Push the arguments on the JS stack of the caller. | |
| 338 __ pop(scratch2); // remove return address | |
| 339 __ push(receiver); // receiver | |
| 340 __ push(reg); // holder | |
| 341 __ push(name); // name | |
| 342 __ push(scratch2); // restore return address | |
| 343 | |
| 344 // Do tail-call to the runtime system. | |
| 345 ExternalReference load_ic_property = | |
| 346 ExternalReference(IC_Utility(IC::kLoadInterceptorProperty)); | |
| 347 __ TailCallRuntime(load_ic_property, 3); | |
| 348 } | |
| 349 | |
| 350 | |
| 351 void StubCompiler::GenerateLoadMiss(MacroAssembler* masm, Code::Kind kind) { | |
| 352 ASSERT(kind == Code::LOAD_IC || kind == Code::KEYED_LOAD_IC); | |
| 353 Code* code = NULL; | |
| 354 if (kind == Code::LOAD_IC) { | |
| 355 code = Builtins::builtin(Builtins::LoadIC_Miss); | |
| 356 } else { | |
| 357 code = Builtins::builtin(Builtins::KeyedLoadIC_Miss); | |
| 358 } | |
| 359 | |
| 360 Handle<Code> ic(code); | |
| 361 __ jmp(ic, RelocInfo::CODE_TARGET); | |
| 362 } | |
| 363 | |
| 364 | |
| 365 void StubCompiler::GenerateStoreField(MacroAssembler* masm, | |
| 366 Builtins::Name storage_extend, | |
| 367 JSObject* object, | |
| 368 int index, | |
| 369 Map* transition, | |
| 370 Register receiver_reg, | |
| 371 Register name_reg, | |
| 372 Register scratch, | |
| 373 Label* miss_label) { | |
| 374 // Check that the object isn't a smi. | |
| 375 __ test(receiver_reg, Immediate(kSmiTagMask)); | |
| 376 __ j(zero, miss_label, not_taken); | |
| 377 | |
| 378 // Check that the map of the object hasn't changed. | |
| 379 __ cmp(FieldOperand(receiver_reg, HeapObject::kMapOffset), | |
| 380 Immediate(Handle<Map>(object->map()))); | |
| 381 __ j(not_equal, miss_label, not_taken); | |
| 382 | |
| 383 // Perform global security token check if needed. | |
| 384 if (object->IsJSGlobalProxy()) { | |
| 385 __ CheckAccessGlobalProxy(receiver_reg, scratch, miss_label); | |
| 386 } | |
| 387 | |
| 388 // Stub never generated for non-global objects that require access | |
| 389 // checks. | |
| 390 ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); | |
| 391 | |
| 392 // Perform map transition for the receiver if necessary. | |
| 393 if ((transition != NULL) && (object->map()->unused_property_fields() == 0)) { | |
| 394 // The properties must be extended before we can store the value. | |
| 395 // We jump to a runtime call that extends the properties array. | |
| 396 __ mov(ecx, Immediate(Handle<Map>(transition))); | |
| 397 Handle<Code> ic(Builtins::builtin(storage_extend)); | |
| 398 __ jmp(ic, RelocInfo::CODE_TARGET); | |
| 399 return; | |
| 400 } | |
| 401 | |
| 402 if (transition != NULL) { | |
| 403 // Update the map of the object; no write barrier updating is | |
| 404 // needed because the map is never in new space. | |
| 405 __ mov(FieldOperand(receiver_reg, HeapObject::kMapOffset), | |
| 406 Immediate(Handle<Map>(transition))); | |
| 407 } | |
| 408 | |
| 409 // Adjust for the number of properties stored in the object. Even in the | |
| 410 // face of a transition we can use the old map here because the size of the | |
| 411 // object and the number of in-object properties is not going to change. | |
| 412 index -= object->map()->inobject_properties(); | |
| 413 | |
| 414 if (index < 0) { | |
| 415 // Set the property straight into the object. | |
| 416 int offset = object->map()->instance_size() + (index * kPointerSize); | |
| 417 __ mov(FieldOperand(receiver_reg, offset), eax); | |
| 418 | |
| 419 // Update the write barrier for the array address. | |
| 420 // Pass the value being stored in the now unused name_reg. | |
| 421 __ mov(name_reg, Operand(eax)); | |
| 422 __ RecordWrite(receiver_reg, offset, name_reg, scratch); | |
| 423 } else { | |
| 424 // Write to the properties array. | |
| 425 int offset = index * kPointerSize + Array::kHeaderSize; | |
| 426 // Get the properties array (optimistically). | |
| 427 __ mov(scratch, FieldOperand(receiver_reg, JSObject::kPropertiesOffset)); | |
| 428 __ mov(FieldOperand(scratch, offset), eax); | |
| 429 | |
| 430 // Update the write barrier for the array address. | |
| 431 // Pass the value being stored in the now unused name_reg. | |
| 432 __ mov(name_reg, Operand(eax)); | |
| 433 __ RecordWrite(scratch, offset, name_reg, receiver_reg); | |
| 434 } | |
| 435 | |
| 436 // Return the value (register eax). | |
| 437 __ ret(0); | |
| 438 } | |
| 439 | |
| 440 | |
| 441 #undef __ | |
| 442 | |
| 443 #define __ ACCESS_MASM(masm()) | |
| 444 | |
| 445 | |
| 446 // TODO(1241006): Avoid having lazy compile stubs specialized by the | |
| 447 // number of arguments. It is not needed anymore. | |
| 448 Object* StubCompiler::CompileLazyCompile(Code::Flags flags) { | |
| 449 // Enter an internal frame. | |
| 450 __ EnterInternalFrame(); | |
| 451 | |
| 452 // Push a copy of the function onto the stack. | |
| 453 __ push(edi); | |
| 454 | |
| 455 __ push(edi); // function is also the parameter to the runtime call | |
| 456 __ CallRuntime(Runtime::kLazyCompile, 1); | |
| 457 __ pop(edi); | |
| 458 | |
| 459 // Tear down temporary frame. | |
| 460 __ LeaveInternalFrame(); | |
| 461 | |
| 462 // Do a tail-call of the compiled function. | |
| 463 __ lea(ecx, FieldOperand(eax, Code::kHeaderSize)); | |
| 464 __ jmp(Operand(ecx)); | |
| 465 | |
| 466 return GetCodeWithFlags(flags, "LazyCompileStub"); | |
| 467 } | |
| 468 | |
| 469 | |
| 470 Object* CallStubCompiler::CompileCallField(Object* object, | |
| 471 JSObject* holder, | |
| 472 int index, | |
| 473 String* name) { | |
| 474 // ----------- S t a t e ------------- | |
| 475 // ----------------------------------- | |
| 476 Label miss; | |
| 477 | |
| 478 // Get the receiver from the stack. | |
| 479 const int argc = arguments().immediate(); | |
| 480 __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); | |
| 481 | |
| 482 // Check that the receiver isn't a smi. | |
| 483 __ test(edx, Immediate(kSmiTagMask)); | |
| 484 __ j(zero, &miss, not_taken); | |
| 485 | |
| 486 // Do the right check and compute the holder register. | |
| 487 Register reg = | |
| 488 masm()->CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss); | |
| 489 | |
| 490 GenerateFastPropertyLoad(masm(), edi, reg, holder, index); | |
| 491 | |
| 492 // Check that the function really is a function. | |
| 493 __ test(edi, Immediate(kSmiTagMask)); | |
| 494 __ j(zero, &miss, not_taken); | |
| 495 __ CmpObjectType(edi, JS_FUNCTION_TYPE, ebx); | |
| 496 __ j(not_equal, &miss, not_taken); | |
| 497 | |
| 498 // Patch the receiver on the stack with the global proxy if | |
| 499 // necessary. | |
| 500 if (object->IsGlobalObject()) { | |
| 501 __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); | |
| 502 __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); | |
| 503 } | |
| 504 | |
| 505 // Invoke the function. | |
| 506 __ InvokeFunction(edi, arguments(), JUMP_FUNCTION); | |
| 507 | |
| 508 // Handle call cache miss. | |
| 509 __ bind(&miss); | |
| 510 Handle<Code> ic = ComputeCallMiss(arguments().immediate()); | |
| 511 __ jmp(ic, RelocInfo::CODE_TARGET); | |
| 512 | |
| 513 // Return the generated code. | |
| 514 return GetCode(FIELD, name); | |
| 515 } | |
| 516 | |
| 517 | |
| 518 Object* CallStubCompiler::CompileCallConstant(Object* object, | |
| 519 JSObject* holder, | |
| 520 JSFunction* function, | |
| 521 CheckType check) { | |
| 522 // ----------- S t a t e ------------- | |
| 523 // ----------------------------------- | |
| 524 Label miss; | |
| 525 | |
| 526 // Get the receiver from the stack. | |
| 527 const int argc = arguments().immediate(); | |
| 528 __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); | |
| 529 | |
| 530 // Check that the receiver isn't a smi. | |
| 531 if (check != NUMBER_CHECK) { | |
| 532 __ test(edx, Immediate(kSmiTagMask)); | |
| 533 __ j(zero, &miss, not_taken); | |
| 534 } | |
| 535 | |
| 536 // Make sure that it's okay not to patch the on stack receiver | |
| 537 // unless we're doing a receiver map check. | |
| 538 ASSERT(!object->IsGlobalObject() || check == RECEIVER_MAP_CHECK); | |
| 539 | |
| 540 switch (check) { | |
| 541 case RECEIVER_MAP_CHECK: | |
| 542 // Check that the maps haven't changed. | |
| 543 __ CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss); | |
| 544 | |
| 545 // Patch the receiver on the stack with the global proxy if | |
| 546 // necessary. | |
| 547 if (object->IsGlobalObject()) { | |
| 548 __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); | |
| 549 __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); | |
| 550 } | |
| 551 break; | |
| 552 | |
| 553 case STRING_CHECK: | |
| 554 // Check that the object is a two-byte string or a symbol. | |
| 555 __ mov(ecx, FieldOperand(edx, HeapObject::kMapOffset)); | |
| 556 __ movzx_b(ecx, FieldOperand(ecx, Map::kInstanceTypeOffset)); | |
| 557 __ cmp(ecx, FIRST_NONSTRING_TYPE); | |
| 558 __ j(above_equal, &miss, not_taken); | |
| 559 // Check that the maps starting from the prototype haven't changed. | |
| 560 GenerateLoadGlobalFunctionPrototype(masm(), | |
| 561 Context::STRING_FUNCTION_INDEX, | |
| 562 ecx); | |
| 563 __ CheckMaps(JSObject::cast(object->GetPrototype()), | |
| 564 ecx, holder, ebx, edx, &miss); | |
| 565 break; | |
| 566 | |
| 567 case NUMBER_CHECK: { | |
| 568 Label fast; | |
| 569 // Check that the object is a smi or a heap number. | |
| 570 __ test(edx, Immediate(kSmiTagMask)); | |
| 571 __ j(zero, &fast, taken); | |
| 572 __ CmpObjectType(edx, HEAP_NUMBER_TYPE, ecx); | |
| 573 __ j(not_equal, &miss, not_taken); | |
| 574 __ bind(&fast); | |
| 575 // Check that the maps starting from the prototype haven't changed. | |
| 576 GenerateLoadGlobalFunctionPrototype(masm(), | |
| 577 Context::NUMBER_FUNCTION_INDEX, | |
| 578 ecx); | |
| 579 __ CheckMaps(JSObject::cast(object->GetPrototype()), | |
| 580 ecx, holder, ebx, edx, &miss); | |
| 581 break; | |
| 582 } | |
| 583 | |
| 584 case BOOLEAN_CHECK: { | |
| 585 Label fast; | |
| 586 // Check that the object is a boolean. | |
| 587 __ cmp(edx, Factory::true_value()); | |
| 588 __ j(equal, &fast, taken); | |
| 589 __ cmp(edx, Factory::false_value()); | |
| 590 __ j(not_equal, &miss, not_taken); | |
| 591 __ bind(&fast); | |
| 592 // Check that the maps starting from the prototype haven't changed. | |
| 593 GenerateLoadGlobalFunctionPrototype(masm(), | |
| 594 Context::BOOLEAN_FUNCTION_INDEX, | |
| 595 ecx); | |
| 596 __ CheckMaps(JSObject::cast(object->GetPrototype()), | |
| 597 ecx, holder, ebx, edx, &miss); | |
| 598 break; | |
| 599 } | |
| 600 | |
| 601 case JSARRAY_HAS_FAST_ELEMENTS_CHECK: | |
| 602 __ CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss); | |
| 603 // Make sure object->elements()->map() != Heap::dictionary_array_map() | |
| 604 // Get the elements array of the object. | |
| 605 __ mov(ebx, FieldOperand(edx, JSObject::kElementsOffset)); | |
| 606 // Check that the object is in fast mode (not dictionary). | |
| 607 __ cmp(FieldOperand(ebx, HeapObject::kMapOffset), | |
| 608 Immediate(Factory::hash_table_map())); | |
| 609 __ j(equal, &miss, not_taken); | |
| 610 break; | |
| 611 | |
| 612 default: | |
| 613 UNREACHABLE(); | |
| 614 } | |
| 615 | |
| 616 // Get the function and setup the context. | |
| 617 __ mov(edi, Immediate(Handle<JSFunction>(function))); | |
| 618 __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); | |
| 619 | |
| 620 // Jump to the cached code (tail call). | |
| 621 Handle<Code> code(function->code()); | |
| 622 ParameterCount expected(function->shared()->formal_parameter_count()); | |
| 623 __ InvokeCode(code, expected, arguments(), | |
| 624 RelocInfo::CODE_TARGET, JUMP_FUNCTION); | |
| 625 | |
| 626 // Handle call cache miss. | |
| 627 __ bind(&miss); | |
| 628 Handle<Code> ic = ComputeCallMiss(arguments().immediate()); | |
| 629 __ jmp(ic, RelocInfo::CODE_TARGET); | |
| 630 | |
| 631 // Return the generated code. | |
| 632 String* function_name = NULL; | |
| 633 if (function->shared()->name()->IsString()) { | |
| 634 function_name = String::cast(function->shared()->name()); | |
| 635 } | |
| 636 return GetCode(CONSTANT_FUNCTION, function_name); | |
| 637 } | |
| 638 | |
| 639 | |
| 640 Object* CallStubCompiler::CompileCallInterceptor(Object* object, | |
| 641 JSObject* holder, | |
| 642 String* name) { | |
| 643 // ----------- S t a t e ------------- | |
| 644 // ----------------------------------- | |
| 645 Label miss; | |
| 646 | |
| 647 // Get the number of arguments. | |
| 648 const int argc = arguments().immediate(); | |
| 649 | |
| 650 // Get the receiver from the stack. | |
| 651 __ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); | |
| 652 | |
| 653 // Check that the receiver isn't a smi. | |
| 654 __ test(edx, Immediate(kSmiTagMask)); | |
| 655 __ j(zero, &miss, not_taken); | |
| 656 | |
| 657 // Check that maps have not changed and compute the holder register. | |
| 658 Register reg = | |
| 659 masm()->CheckMaps(JSObject::cast(object), edx, holder, ebx, ecx, &miss); | |
| 660 | |
| 661 // Enter an internal frame. | |
| 662 __ EnterInternalFrame(); | |
| 663 | |
| 664 // Push arguments on the expression stack. | |
| 665 __ push(edx); // receiver | |
| 666 __ push(reg); // holder | |
| 667 __ push(Operand(ebp, (argc + 3) * kPointerSize)); // name | |
| 668 | |
| 669 // Perform call. | |
| 670 ExternalReference load_interceptor = | |
| 671 ExternalReference(IC_Utility(IC::kLoadInterceptorProperty)); | |
| 672 __ mov(eax, Immediate(3)); | |
| 673 __ mov(ebx, Immediate(load_interceptor)); | |
| 674 | |
| 675 CEntryStub stub; | |
| 676 __ CallStub(&stub); | |
| 677 | |
| 678 // Move result to edi and restore receiver. | |
| 679 __ mov(edi, eax); | |
| 680 __ mov(edx, Operand(ebp, (argc + 2) * kPointerSize)); // receiver | |
| 681 | |
| 682 // Exit frame. | |
| 683 __ LeaveInternalFrame(); | |
| 684 | |
| 685 // Check that the function really is a function. | |
| 686 __ test(edi, Immediate(kSmiTagMask)); | |
| 687 __ j(zero, &miss, not_taken); | |
| 688 __ CmpObjectType(edi, JS_FUNCTION_TYPE, ebx); | |
| 689 __ j(not_equal, &miss, not_taken); | |
| 690 | |
| 691 // Patch the receiver on the stack with the global proxy if | |
| 692 // necessary. | |
| 693 if (object->IsGlobalObject()) { | |
| 694 __ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); | |
| 695 __ mov(Operand(esp, (argc + 1) * kPointerSize), edx); | |
| 696 } | |
| 697 | |
| 698 // Invoke the function. | |
| 699 __ InvokeFunction(edi, arguments(), JUMP_FUNCTION); | |
| 700 | |
| 701 // Handle load cache miss. | |
| 702 __ bind(&miss); | |
| 703 Handle<Code> ic = ComputeCallMiss(argc); | |
| 704 __ jmp(ic, RelocInfo::CODE_TARGET); | |
| 705 | |
| 706 // Return the generated code. | |
| 707 return GetCode(INTERCEPTOR, name); | |
| 708 } | |
| 709 | |
| 710 | |
| 711 Object* StoreStubCompiler::CompileStoreField(JSObject* object, | |
| 712 int index, | |
| 713 Map* transition, | |
| 714 String* name) { | |
| 715 // ----------- S t a t e ------------- | |
| 716 // -- eax : value | |
| 717 // -- ecx : name | |
| 718 // -- esp[0] : return address | |
| 719 // -- esp[4] : receiver | |
| 720 // ----------------------------------- | |
| 721 Label miss; | |
| 722 | |
| 723 // Get the object from the stack. | |
| 724 __ mov(ebx, Operand(esp, 1 * kPointerSize)); | |
| 725 | |
| 726 // Generate store field code. Trashes the name register. | |
| 727 GenerateStoreField(masm(), | |
| 728 Builtins::StoreIC_ExtendStorage, | |
| 729 object, | |
| 730 index, | |
| 731 transition, | |
| 732 ebx, ecx, edx, | |
| 733 &miss); | |
| 734 | |
| 735 // Handle store cache miss. | |
| 736 __ bind(&miss); | |
| 737 __ mov(ecx, Immediate(Handle<String>(name))); // restore name | |
| 738 Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); | |
| 739 __ jmp(ic, RelocInfo::CODE_TARGET); | |
| 740 | |
| 741 // Return the generated code. | |
| 742 return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name); | |
| 743 } | |
| 744 | |
| 745 | |
| 746 Object* StoreStubCompiler::CompileStoreCallback(JSObject* object, | |
| 747 AccessorInfo* callback, | |
| 748 String* name) { | |
| 749 // ----------- S t a t e ------------- | |
| 750 // -- eax : value | |
| 751 // -- ecx : name | |
| 752 // -- esp[0] : return address | |
| 753 // -- esp[4] : receiver | |
| 754 // ----------------------------------- | |
| 755 Label miss; | |
| 756 | |
| 757 // Get the object from the stack. | |
| 758 __ mov(ebx, Operand(esp, 1 * kPointerSize)); | |
| 759 | |
| 760 // Check that the object isn't a smi. | |
| 761 __ test(ebx, Immediate(kSmiTagMask)); | |
| 762 __ j(zero, &miss, not_taken); | |
| 763 | |
| 764 // Check that the map of the object hasn't changed. | |
| 765 __ cmp(FieldOperand(ebx, HeapObject::kMapOffset), | |
| 766 Immediate(Handle<Map>(object->map()))); | |
| 767 __ j(not_equal, &miss, not_taken); | |
| 768 | |
| 769 // Perform global security token check if needed. | |
| 770 if (object->IsJSGlobalProxy()) { | |
| 771 __ CheckAccessGlobalProxy(ebx, edx, &miss); | |
| 772 } | |
| 773 | |
| 774 // Stub never generated for non-global objects that require access | |
| 775 // checks. | |
| 776 ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); | |
| 777 | |
| 778 __ pop(ebx); // remove the return address | |
| 779 __ push(Operand(esp, 0)); // receiver | |
| 780 __ push(Immediate(Handle<AccessorInfo>(callback))); // callback info | |
| 781 __ push(ecx); // name | |
| 782 __ push(eax); // value | |
| 783 __ push(ebx); // restore return address | |
| 784 | |
| 785 // Do tail-call to the runtime system. | |
| 786 ExternalReference store_callback_property = | |
| 787 ExternalReference(IC_Utility(IC::kStoreCallbackProperty)); | |
| 788 __ TailCallRuntime(store_callback_property, 4); | |
| 789 | |
| 790 // Handle store cache miss. | |
| 791 __ bind(&miss); | |
| 792 __ mov(ecx, Immediate(Handle<String>(name))); // restore name | |
| 793 Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); | |
| 794 __ jmp(ic, RelocInfo::CODE_TARGET); | |
| 795 | |
| 796 // Return the generated code. | |
| 797 return GetCode(CALLBACKS, name); | |
| 798 } | |
| 799 | |
| 800 | |
| 801 Object* StoreStubCompiler::CompileStoreInterceptor(JSObject* receiver, | |
| 802 String* name) { | |
| 803 // ----------- S t a t e ------------- | |
| 804 // -- eax : value | |
| 805 // -- ecx : name | |
| 806 // -- esp[0] : return address | |
| 807 // -- esp[4] : receiver | |
| 808 // ----------------------------------- | |
| 809 Label miss; | |
| 810 | |
| 811 // Get the object from the stack. | |
| 812 __ mov(ebx, Operand(esp, 1 * kPointerSize)); | |
| 813 | |
| 814 // Check that the object isn't a smi. | |
| 815 __ test(ebx, Immediate(kSmiTagMask)); | |
| 816 __ j(zero, &miss, not_taken); | |
| 817 | |
| 818 // Check that the map of the object hasn't changed. | |
| 819 __ cmp(FieldOperand(ebx, HeapObject::kMapOffset), | |
| 820 Immediate(Handle<Map>(receiver->map()))); | |
| 821 __ j(not_equal, &miss, not_taken); | |
| 822 | |
| 823 // Perform global security token check if needed. | |
| 824 if (receiver->IsJSGlobalProxy()) { | |
| 825 __ CheckAccessGlobalProxy(ebx, edx, &miss); | |
| 826 } | |
| 827 | |
| 828 // Stub never generated for non-global objects that require access | |
| 829 // checks. | |
| 830 ASSERT(receiver->IsJSGlobalProxy() || !receiver->IsAccessCheckNeeded()); | |
| 831 | |
| 832 __ pop(ebx); // remove the return address | |
| 833 __ push(Operand(esp, 0)); // receiver | |
| 834 __ push(ecx); // name | |
| 835 __ push(eax); // value | |
| 836 __ push(ebx); // restore return address | |
| 837 | |
| 838 // Do tail-call to the runtime system. | |
| 839 ExternalReference store_ic_property = | |
| 840 ExternalReference(IC_Utility(IC::kStoreInterceptorProperty)); | |
| 841 __ TailCallRuntime(store_ic_property, 3); | |
| 842 | |
| 843 // Handle store cache miss. | |
| 844 __ bind(&miss); | |
| 845 __ mov(ecx, Immediate(Handle<String>(name))); // restore name | |
| 846 Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss)); | |
| 847 __ jmp(ic, RelocInfo::CODE_TARGET); | |
| 848 | |
| 849 // Return the generated code. | |
| 850 return GetCode(INTERCEPTOR, name); | |
| 851 } | |
| 852 | |
| 853 | |
| 854 Object* KeyedStoreStubCompiler::CompileStoreField(JSObject* object, | |
| 855 int index, | |
| 856 Map* transition, | |
| 857 String* name) { | |
| 858 // ----------- S t a t e ------------- | |
| 859 // -- eax : value | |
| 860 // -- esp[0] : return address | |
| 861 // -- esp[4] : key | |
| 862 // -- esp[8] : receiver | |
| 863 // ----------------------------------- | |
| 864 Label miss; | |
| 865 | |
| 866 __ IncrementCounter(&Counters::keyed_store_field, 1); | |
| 867 | |
| 868 // Get the name from the stack. | |
| 869 __ mov(ecx, Operand(esp, 1 * kPointerSize)); | |
| 870 // Check that the name has not changed. | |
| 871 __ cmp(Operand(ecx), Immediate(Handle<String>(name))); | |
| 872 __ j(not_equal, &miss, not_taken); | |
| 873 | |
| 874 // Get the object from the stack. | |
| 875 __ mov(ebx, Operand(esp, 2 * kPointerSize)); | |
| 876 | |
| 877 // Generate store field code. Trashes the name register. | |
| 878 GenerateStoreField(masm(), | |
| 879 Builtins::KeyedStoreIC_ExtendStorage, | |
| 880 object, | |
| 881 index, | |
| 882 transition, | |
| 883 ebx, ecx, edx, | |
| 884 &miss); | |
| 885 | |
| 886 // Handle store cache miss. | |
| 887 __ bind(&miss); | |
| 888 __ DecrementCounter(&Counters::keyed_store_field, 1); | |
| 889 Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Miss)); | |
| 890 __ jmp(ic, RelocInfo::CODE_TARGET); | |
| 891 | |
| 892 // Return the generated code. | |
| 893 return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name); | |
| 894 } | |
| 895 | |
| 896 | |
| 897 Object* LoadStubCompiler::CompileLoadField(JSObject* object, | |
| 898 JSObject* holder, | |
| 899 int index, | |
| 900 String* name) { | |
| 901 // ----------- S t a t e ------------- | |
| 902 // -- ecx : name | |
| 903 // -- esp[0] : return address | |
| 904 // -- esp[4] : receiver | |
| 905 // ----------------------------------- | |
| 906 Label miss; | |
| 907 | |
| 908 __ mov(eax, (Operand(esp, kPointerSize))); | |
| 909 GenerateLoadField(masm(), object, holder, eax, ebx, edx, index, &miss); | |
| 910 __ bind(&miss); | |
| 911 GenerateLoadMiss(masm(), Code::LOAD_IC); | |
| 912 | |
| 913 // Return the generated code. | |
| 914 return GetCode(FIELD, name); | |
| 915 } | |
| 916 | |
| 917 | |
| 918 Object* LoadStubCompiler::CompileLoadCallback(JSObject* object, | |
| 919 JSObject* holder, | |
| 920 AccessorInfo* callback, | |
| 921 String* name) { | |
| 922 // ----------- S t a t e ------------- | |
| 923 // -- ecx : name | |
| 924 // -- esp[0] : return address | |
| 925 // -- esp[4] : receiver | |
| 926 // ----------------------------------- | |
| 927 Label miss; | |
| 928 | |
| 929 __ mov(eax, (Operand(esp, kPointerSize))); | |
| 930 GenerateLoadCallback(masm(), object, holder, eax, ecx, ebx, | |
| 931 edx, callback, &miss); | |
| 932 __ bind(&miss); | |
| 933 GenerateLoadMiss(masm(), Code::LOAD_IC); | |
| 934 | |
| 935 // Return the generated code. | |
| 936 return GetCode(CALLBACKS, name); | |
| 937 } | |
| 938 | |
| 939 | |
| 940 Object* LoadStubCompiler::CompileLoadConstant(JSObject* object, | |
| 941 JSObject* holder, | |
| 942 Object* value, | |
| 943 String* name) { | |
| 944 // ----------- S t a t e ------------- | |
| 945 // -- ecx : name | |
| 946 // -- esp[0] : return address | |
| 947 // -- esp[4] : receiver | |
| 948 // ----------------------------------- | |
| 949 Label miss; | |
| 950 | |
| 951 __ mov(eax, (Operand(esp, kPointerSize))); | |
| 952 GenerateLoadConstant(masm(), object, holder, eax, ebx, edx, value, &miss); | |
| 953 __ bind(&miss); | |
| 954 GenerateLoadMiss(masm(), Code::LOAD_IC); | |
| 955 | |
| 956 // Return the generated code. | |
| 957 return GetCode(CONSTANT_FUNCTION, name); | |
| 958 } | |
| 959 | |
| 960 | |
| 961 Object* LoadStubCompiler::CompileLoadInterceptor(JSObject* receiver, | |
| 962 JSObject* holder, | |
| 963 String* name) { | |
| 964 // ----------- S t a t e ------------- | |
| 965 // -- ecx : name | |
| 966 // -- esp[0] : return address | |
| 967 // -- esp[4] : receiver | |
| 968 // ----------------------------------- | |
| 969 Label miss; | |
| 970 | |
| 971 __ mov(eax, (Operand(esp, kPointerSize))); | |
| 972 GenerateLoadInterceptor(masm(), receiver, holder, eax, ecx, edx, ebx, &miss); | |
| 973 __ bind(&miss); | |
| 974 GenerateLoadMiss(masm(), Code::LOAD_IC); | |
| 975 | |
| 976 // Return the generated code. | |
| 977 return GetCode(INTERCEPTOR, name); | |
| 978 } | |
| 979 | |
| 980 | |
| 981 Object* KeyedLoadStubCompiler::CompileLoadField(String* name, | |
| 982 JSObject* receiver, | |
| 983 JSObject* holder, | |
| 984 int index) { | |
| 985 // ----------- S t a t e ------------- | |
| 986 // -- esp[0] : return address | |
| 987 // -- esp[4] : name | |
| 988 // -- esp[8] : receiver | |
| 989 // ----------------------------------- | |
| 990 Label miss; | |
| 991 | |
| 992 __ mov(eax, (Operand(esp, kPointerSize))); | |
| 993 __ mov(ecx, (Operand(esp, 2 * kPointerSize))); | |
| 994 __ IncrementCounter(&Counters::keyed_load_field, 1); | |
| 995 | |
| 996 // Check that the name has not changed. | |
| 997 __ cmp(Operand(eax), Immediate(Handle<String>(name))); | |
| 998 __ j(not_equal, &miss, not_taken); | |
| 999 | |
| 1000 GenerateLoadField(masm(), receiver, holder, ecx, ebx, edx, index, &miss); | |
| 1001 __ bind(&miss); | |
| 1002 __ DecrementCounter(&Counters::keyed_load_field, 1); | |
| 1003 GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); | |
| 1004 | |
| 1005 // Return the generated code. | |
| 1006 return GetCode(FIELD, name); | |
| 1007 } | |
| 1008 | |
| 1009 | |
| 1010 Object* KeyedLoadStubCompiler::CompileLoadCallback(String* name, | |
| 1011 JSObject* receiver, | |
| 1012 JSObject* holder, | |
| 1013 AccessorInfo* callback) { | |
| 1014 // ----------- S t a t e ------------- | |
| 1015 // -- esp[0] : return address | |
| 1016 // -- esp[4] : name | |
| 1017 // -- esp[8] : receiver | |
| 1018 // ----------------------------------- | |
| 1019 Label miss; | |
| 1020 | |
| 1021 __ mov(eax, (Operand(esp, kPointerSize))); | |
| 1022 __ mov(ecx, (Operand(esp, 2 * kPointerSize))); | |
| 1023 __ IncrementCounter(&Counters::keyed_load_callback, 1); | |
| 1024 | |
| 1025 // Check that the name has not changed. | |
| 1026 __ cmp(Operand(eax), Immediate(Handle<String>(name))); | |
| 1027 __ j(not_equal, &miss, not_taken); | |
| 1028 | |
| 1029 GenerateLoadCallback(masm(), receiver, holder, ecx, eax, ebx, edx, | |
| 1030 callback, &miss); | |
| 1031 __ bind(&miss); | |
| 1032 __ DecrementCounter(&Counters::keyed_load_callback, 1); | |
| 1033 GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); | |
| 1034 | |
| 1035 // Return the generated code. | |
| 1036 return GetCode(CALLBACKS, name); | |
| 1037 } | |
| 1038 | |
| 1039 | |
| 1040 Object* KeyedLoadStubCompiler::CompileLoadConstant(String* name, | |
| 1041 JSObject* receiver, | |
| 1042 JSObject* holder, | |
| 1043 Object* value) { | |
| 1044 // ----------- S t a t e ------------- | |
| 1045 // -- esp[0] : return address | |
| 1046 // -- esp[4] : name | |
| 1047 // -- esp[8] : receiver | |
| 1048 // ----------------------------------- | |
| 1049 Label miss; | |
| 1050 | |
| 1051 __ mov(eax, (Operand(esp, kPointerSize))); | |
| 1052 __ mov(ecx, (Operand(esp, 2 * kPointerSize))); | |
| 1053 __ IncrementCounter(&Counters::keyed_load_constant_function, 1); | |
| 1054 | |
| 1055 // Check that the name has not changed. | |
| 1056 __ cmp(Operand(eax), Immediate(Handle<String>(name))); | |
| 1057 __ j(not_equal, &miss, not_taken); | |
| 1058 | |
| 1059 GenerateLoadConstant(masm(), receiver, holder, ecx, ebx, edx, value, &miss); | |
| 1060 __ bind(&miss); | |
| 1061 __ DecrementCounter(&Counters::keyed_load_constant_function, 1); | |
| 1062 GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); | |
| 1063 | |
| 1064 // Return the generated code. | |
| 1065 return GetCode(CONSTANT_FUNCTION, name); | |
| 1066 } | |
| 1067 | |
| 1068 | |
| 1069 Object* KeyedLoadStubCompiler::CompileLoadInterceptor(JSObject* receiver, | |
| 1070 JSObject* holder, | |
| 1071 String* name) { | |
| 1072 // ----------- S t a t e ------------- | |
| 1073 // -- esp[0] : return address | |
| 1074 // -- esp[4] : name | |
| 1075 // -- esp[8] : receiver | |
| 1076 // ----------------------------------- | |
| 1077 Label miss; | |
| 1078 | |
| 1079 __ mov(eax, (Operand(esp, kPointerSize))); | |
| 1080 __ mov(ecx, (Operand(esp, 2 * kPointerSize))); | |
| 1081 __ IncrementCounter(&Counters::keyed_load_interceptor, 1); | |
| 1082 | |
| 1083 // Check that the name has not changed. | |
| 1084 __ cmp(Operand(eax), Immediate(Handle<String>(name))); | |
| 1085 __ j(not_equal, &miss, not_taken); | |
| 1086 | |
| 1087 GenerateLoadInterceptor(masm(), receiver, holder, ecx, eax, edx, ebx, &miss); | |
| 1088 __ bind(&miss); | |
| 1089 __ DecrementCounter(&Counters::keyed_load_interceptor, 1); | |
| 1090 GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); | |
| 1091 | |
| 1092 // Return the generated code. | |
| 1093 return GetCode(INTERCEPTOR, name); | |
| 1094 } | |
| 1095 | |
| 1096 | |
| 1097 | |
| 1098 | |
| 1099 Object* KeyedLoadStubCompiler::CompileLoadArrayLength(String* name) { | |
| 1100 // ----------- S t a t e ------------- | |
| 1101 // -- esp[0] : return address | |
| 1102 // -- esp[4] : name | |
| 1103 // -- esp[8] : receiver | |
| 1104 // ----------------------------------- | |
| 1105 Label miss; | |
| 1106 | |
| 1107 __ mov(eax, (Operand(esp, kPointerSize))); | |
| 1108 __ mov(ecx, (Operand(esp, 2 * kPointerSize))); | |
| 1109 __ IncrementCounter(&Counters::keyed_load_array_length, 1); | |
| 1110 | |
| 1111 // Check that the name has not changed. | |
| 1112 __ cmp(Operand(eax), Immediate(Handle<String>(name))); | |
| 1113 __ j(not_equal, &miss, not_taken); | |
| 1114 | |
| 1115 GenerateLoadArrayLength(masm(), ecx, edx, &miss); | |
| 1116 __ bind(&miss); | |
| 1117 __ DecrementCounter(&Counters::keyed_load_array_length, 1); | |
| 1118 GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); | |
| 1119 | |
| 1120 // Return the generated code. | |
| 1121 return GetCode(CALLBACKS, name); | |
| 1122 } | |
| 1123 | |
| 1124 | |
| 1125 Object* KeyedLoadStubCompiler::CompileLoadStringLength(String* name) { | |
| 1126 // ----------- S t a t e ------------- | |
| 1127 // -- esp[0] : return address | |
| 1128 // -- esp[4] : name | |
| 1129 // -- esp[8] : receiver | |
| 1130 // ----------------------------------- | |
| 1131 Label miss; | |
| 1132 | |
| 1133 __ mov(eax, (Operand(esp, kPointerSize))); | |
| 1134 __ mov(ecx, (Operand(esp, 2 * kPointerSize))); | |
| 1135 __ IncrementCounter(&Counters::keyed_load_string_length, 1); | |
| 1136 | |
| 1137 // Check that the name has not changed. | |
| 1138 __ cmp(Operand(eax), Immediate(Handle<String>(name))); | |
| 1139 __ j(not_equal, &miss, not_taken); | |
| 1140 | |
| 1141 GenerateLoadStringLength(masm(), ecx, edx, &miss); | |
| 1142 __ bind(&miss); | |
| 1143 __ DecrementCounter(&Counters::keyed_load_string_length, 1); | |
| 1144 GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); | |
| 1145 | |
| 1146 // Return the generated code. | |
| 1147 return GetCode(CALLBACKS, name); | |
| 1148 } | |
| 1149 | |
| 1150 | |
| 1151 Object* KeyedLoadStubCompiler::CompileLoadFunctionPrototype(String* name) { | |
| 1152 // ----------- S t a t e ------------- | |
| 1153 // -- esp[0] : return address | |
| 1154 // -- esp[4] : name | |
| 1155 // -- esp[8] : receiver | |
| 1156 // ----------------------------------- | |
| 1157 Label miss; | |
| 1158 | |
| 1159 __ mov(eax, (Operand(esp, kPointerSize))); | |
| 1160 __ mov(ecx, (Operand(esp, 2 * kPointerSize))); | |
| 1161 __ IncrementCounter(&Counters::keyed_load_function_prototype, 1); | |
| 1162 | |
| 1163 // Check that the name has not changed. | |
| 1164 __ cmp(Operand(eax), Immediate(Handle<String>(name))); | |
| 1165 __ j(not_equal, &miss, not_taken); | |
| 1166 | |
| 1167 GenerateLoadFunctionPrototype(masm(), ecx, edx, ebx, &miss); | |
| 1168 __ bind(&miss); | |
| 1169 __ DecrementCounter(&Counters::keyed_load_function_prototype, 1); | |
| 1170 GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); | |
| 1171 | |
| 1172 // Return the generated code. | |
| 1173 return GetCode(CALLBACKS, name); | |
| 1174 } | |
| 1175 | |
| 1176 | |
| 1177 #undef __ | |
| 1178 | |
| 1179 } } // namespace v8::internal | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 92068:
Move backend specific files to separate directories. (Closed)
