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| 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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| 95 // edi: called object | 95 // edi: called object |
| 96 // eax: number of arguments | 96 // eax: number of arguments |
| 97 __ bind(&non_function_call); | 97 __ bind(&non_function_call); |
| 98 // CALL_NON_FUNCTION expects the non-function constructor as receiver | 98 // CALL_NON_FUNCTION expects the non-function constructor as receiver |
| 99 // (instead of the original receiver from the call site). The receiver is | 99 // (instead of the original receiver from the call site). The receiver is |
| 100 // stack element argc+1. | 100 // stack element argc+1. |
| 101 __ mov(Operand(esp, eax, times_4, kPointerSize), edi); | 101 __ mov(Operand(esp, eax, times_4, kPointerSize), edi); |
| 102 // Set expected number of arguments to zero (not changing eax). | 102 // Set expected number of arguments to zero (not changing eax). |
| 103 __ Set(ebx, Immediate(0)); | 103 __ Set(ebx, Immediate(0)); |
| 104 __ GetBuiltinEntry(edx, Builtins::CALL_NON_FUNCTION_AS_CONSTRUCTOR); | 104 __ GetBuiltinEntry(edx, Builtins::CALL_NON_FUNCTION_AS_CONSTRUCTOR); |
| 105 __ jmp(Handle<Code>(builtin(ArgumentsAdaptorTrampoline)), | 105 __ jmp(Handle<Code>(Isolate::Current()->builtins()->builtin( |
| 106 RelocInfo::CODE_TARGET); | 106 ArgumentsAdaptorTrampoline)), RelocInfo::CODE_TARGET); |
| 107 } | 107 } |
| 108 | 108 |
| 109 | 109 |
| 110 static void Generate_JSConstructStubHelper(MacroAssembler* masm, | 110 static void Generate_JSConstructStubHelper(MacroAssembler* masm, |
| 111 bool is_api_function) { | 111 bool is_api_function) { |
| 112 // Enter a construct frame. | 112 // Enter a construct frame. |
| 113 __ EnterConstructFrame(); | 113 __ EnterConstructFrame(); |
| 114 | 114 |
| 115 // Store a smi-tagged arguments count on the stack. | 115 // Store a smi-tagged arguments count on the stack. |
| 116 __ SmiTag(eax); | 116 __ SmiTag(eax); |
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| 301 __ bind(&loop); | 301 __ bind(&loop); |
| 302 __ push(Operand(ebx, ecx, times_4, 0)); | 302 __ push(Operand(ebx, ecx, times_4, 0)); |
| 303 __ bind(&entry); | 303 __ bind(&entry); |
| 304 __ dec(ecx); | 304 __ dec(ecx); |
| 305 __ j(greater_equal, &loop); | 305 __ j(greater_equal, &loop); |
| 306 | 306 |
| 307 // Call the function. | 307 // Call the function. |
| 308 if (is_api_function) { | 308 if (is_api_function) { |
| 309 __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); | 309 __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); |
| 310 Handle<Code> code = Handle<Code>( | 310 Handle<Code> code = Handle<Code>( |
| 311 Builtins::builtin(Builtins::HandleApiCallConstruct)); | 311 Isolate::Current()->builtins()->builtin( |
| 312 Builtins::HandleApiCallConstruct)); |
| 312 ParameterCount expected(0); | 313 ParameterCount expected(0); |
| 313 __ InvokeCode(code, expected, expected, | 314 __ InvokeCode(code, expected, expected, |
| 314 RelocInfo::CODE_TARGET, CALL_FUNCTION); | 315 RelocInfo::CODE_TARGET, CALL_FUNCTION); |
| 315 } else { | 316 } else { |
| 316 ParameterCount actual(eax); | 317 ParameterCount actual(eax); |
| 317 __ InvokeFunction(edi, actual, CALL_FUNCTION); | 318 __ InvokeFunction(edi, actual, CALL_FUNCTION); |
| 318 } | 319 } |
| 319 | 320 |
| 320 // Restore context from the frame. | 321 // Restore context from the frame. |
| 321 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); | 322 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); |
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| 397 __ inc(Operand(ecx)); | 398 __ inc(Operand(ecx)); |
| 398 __ bind(&entry); | 399 __ bind(&entry); |
| 399 __ cmp(ecx, Operand(eax)); | 400 __ cmp(ecx, Operand(eax)); |
| 400 __ j(not_equal, &loop); | 401 __ j(not_equal, &loop); |
| 401 | 402 |
| 402 // Get the function from the stack and call it. | 403 // Get the function from the stack and call it. |
| 403 __ mov(edi, Operand(esp, eax, times_4, +1 * kPointerSize)); // +1 ~ receiver | 404 __ mov(edi, Operand(esp, eax, times_4, +1 * kPointerSize)); // +1 ~ receiver |
| 404 | 405 |
| 405 // Invoke the code. | 406 // Invoke the code. |
| 406 if (is_construct) { | 407 if (is_construct) { |
| 407 __ call(Handle<Code>(Builtins::builtin(Builtins::JSConstructCall)), | 408 __ call(Handle<Code>(Isolate::Current()->builtins()->builtin( |
| 408 RelocInfo::CODE_TARGET); | 409 Builtins::JSConstructCall)), RelocInfo::CODE_TARGET); |
| 409 } else { | 410 } else { |
| 410 ParameterCount actual(eax); | 411 ParameterCount actual(eax); |
| 411 __ InvokeFunction(edi, actual, CALL_FUNCTION); | 412 __ InvokeFunction(edi, actual, CALL_FUNCTION); |
| 412 } | 413 } |
| 413 | 414 |
| 414 // Exit the JS frame. Notice that this also removes the empty | 415 // Exit the JS frame. Notice that this also removes the empty |
| 415 // context and the function left on the stack by the code | 416 // context and the function left on the stack by the code |
| 416 // invocation. | 417 // invocation. |
| 417 __ LeaveInternalFrame(); | 418 __ LeaveInternalFrame(); |
| 418 __ ret(1 * kPointerSize); // remove receiver | 419 __ ret(1 * kPointerSize); // remove receiver |
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| 529 __ pop(ebx); // Discard copy of return address. | 530 __ pop(ebx); // Discard copy of return address. |
| 530 __ dec(eax); // One fewer argument (first argument is new receiver). | 531 __ dec(eax); // One fewer argument (first argument is new receiver). |
| 531 } | 532 } |
| 532 | 533 |
| 533 // 5a. Call non-function via tail call to CALL_NON_FUNCTION builtin. | 534 // 5a. Call non-function via tail call to CALL_NON_FUNCTION builtin. |
| 534 { Label function; | 535 { Label function; |
| 535 __ test(edi, Operand(edi)); | 536 __ test(edi, Operand(edi)); |
| 536 __ j(not_zero, &function, taken); | 537 __ j(not_zero, &function, taken); |
| 537 __ xor_(ebx, Operand(ebx)); | 538 __ xor_(ebx, Operand(ebx)); |
| 538 __ GetBuiltinEntry(edx, Builtins::CALL_NON_FUNCTION); | 539 __ GetBuiltinEntry(edx, Builtins::CALL_NON_FUNCTION); |
| 539 __ jmp(Handle<Code>(builtin(ArgumentsAdaptorTrampoline)), | 540 __ jmp(Handle<Code>(Isolate::Current()->builtins()->builtin( |
| 540 RelocInfo::CODE_TARGET); | 541 ArgumentsAdaptorTrampoline)), RelocInfo::CODE_TARGET); |
| 541 __ bind(&function); | 542 __ bind(&function); |
| 542 } | 543 } |
| 543 | 544 |
| 544 // 5b. Get the code to call from the function and check that the number of | 545 // 5b. Get the code to call from the function and check that the number of |
| 545 // expected arguments matches what we're providing. If so, jump | 546 // expected arguments matches what we're providing. If so, jump |
| 546 // (tail-call) to the code in register edx without checking arguments. | 547 // (tail-call) to the code in register edx without checking arguments. |
| 547 __ mov(edx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset)); | 548 __ mov(edx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset)); |
| 548 __ mov(ebx, | 549 __ mov(ebx, |
| 549 FieldOperand(edx, SharedFunctionInfo::kFormalParameterCountOffset)); | 550 FieldOperand(edx, SharedFunctionInfo::kFormalParameterCountOffset)); |
| 550 __ SmiUntag(ebx); | 551 __ SmiUntag(ebx); |
| 551 __ mov(edx, FieldOperand(edx, SharedFunctionInfo::kCodeOffset)); | 552 __ mov(edx, FieldOperand(edx, SharedFunctionInfo::kCodeOffset)); |
| 552 __ lea(edx, FieldOperand(edx, Code::kHeaderSize)); | 553 __ lea(edx, FieldOperand(edx, Code::kHeaderSize)); |
| 553 __ cmp(eax, Operand(ebx)); | 554 __ cmp(eax, Operand(ebx)); |
| 554 __ j(not_equal, Handle<Code>(builtin(ArgumentsAdaptorTrampoline))); | 555 __ j(not_equal, Handle<Code>(Isolate::Current()->builtins()->builtin( |
| 556 ArgumentsAdaptorTrampoline))); |
| 555 | 557 |
| 556 ParameterCount expected(0); | 558 ParameterCount expected(0); |
| 557 __ InvokeCode(Operand(edx), expected, expected, JUMP_FUNCTION); | 559 __ InvokeCode(Operand(edx), expected, expected, JUMP_FUNCTION); |
| 558 } | 560 } |
| 559 | 561 |
| 560 | 562 |
| 561 void Builtins::Generate_FunctionApply(MacroAssembler* masm) { | 563 void Builtins::Generate_FunctionApply(MacroAssembler* masm) { |
| 562 __ EnterInternalFrame(); | 564 __ EnterInternalFrame(); |
| 563 | 565 |
| 564 __ push(Operand(ebp, 4 * kPointerSize)); // push this | 566 __ push(Operand(ebp, 4 * kPointerSize)); // push this |
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| 643 __ push(ebx); | 645 __ push(ebx); |
| 644 | 646 |
| 645 // Copy all arguments from the array to the stack. | 647 // Copy all arguments from the array to the stack. |
| 646 Label entry, loop; | 648 Label entry, loop; |
| 647 __ mov(eax, Operand(ebp, kIndexOffset)); | 649 __ mov(eax, Operand(ebp, kIndexOffset)); |
| 648 __ jmp(&entry); | 650 __ jmp(&entry); |
| 649 __ bind(&loop); | 651 __ bind(&loop); |
| 650 __ mov(edx, Operand(ebp, 2 * kPointerSize)); // load arguments | 652 __ mov(edx, Operand(ebp, 2 * kPointerSize)); // load arguments |
| 651 | 653 |
| 652 // Use inline caching to speed up access to arguments. | 654 // Use inline caching to speed up access to arguments. |
| 653 Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize)); | 655 Handle<Code> ic(Isolate::Current()->builtins()->builtin( |
| 656 Builtins::KeyedLoadIC_Initialize)); |
| 654 __ call(ic, RelocInfo::CODE_TARGET); | 657 __ call(ic, RelocInfo::CODE_TARGET); |
| 655 // It is important that we do not have a test instruction after the | 658 // It is important that we do not have a test instruction after the |
| 656 // call. A test instruction after the call is used to indicate that | 659 // call. A test instruction after the call is used to indicate that |
| 657 // we have generated an inline version of the keyed load. In this | 660 // we have generated an inline version of the keyed load. In this |
| 658 // case, we know that we are not generating a test instruction next. | 661 // case, we know that we are not generating a test instruction next. |
| 659 | 662 |
| 660 // Push the nth argument. | 663 // Push the nth argument. |
| 661 __ push(eax); | 664 __ push(eax); |
| 662 | 665 |
| 663 // Update the index on the stack and in register eax. | 666 // Update the index on the stack and in register eax. |
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| 1091 __ CmpObjectType(ebx, MAP_TYPE, ecx); | 1094 __ CmpObjectType(ebx, MAP_TYPE, ecx); |
| 1092 __ Assert(equal, "Unexpected initial map for Array function"); | 1095 __ Assert(equal, "Unexpected initial map for Array function"); |
| 1093 } | 1096 } |
| 1094 | 1097 |
| 1095 // Run the native code for the Array function called as a normal function. | 1098 // Run the native code for the Array function called as a normal function. |
| 1096 ArrayNativeCode(masm, false, &generic_array_code); | 1099 ArrayNativeCode(masm, false, &generic_array_code); |
| 1097 | 1100 |
| 1098 // Jump to the generic array code in case the specialized code cannot handle | 1101 // Jump to the generic array code in case the specialized code cannot handle |
| 1099 // the construction. | 1102 // the construction. |
| 1100 __ bind(&generic_array_code); | 1103 __ bind(&generic_array_code); |
| 1101 Code* code = Builtins::builtin(Builtins::ArrayCodeGeneric); | 1104 Code* code = Isolate::Current()->builtins()->builtin( |
| 1105 Builtins::ArrayCodeGeneric); |
| 1102 Handle<Code> array_code(code); | 1106 Handle<Code> array_code(code); |
| 1103 __ jmp(array_code, RelocInfo::CODE_TARGET); | 1107 __ jmp(array_code, RelocInfo::CODE_TARGET); |
| 1104 } | 1108 } |
| 1105 | 1109 |
| 1106 | 1110 |
| 1107 void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) { | 1111 void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) { |
| 1108 // ----------- S t a t e ------------- | 1112 // ----------- S t a t e ------------- |
| 1109 // -- eax : argc | 1113 // -- eax : argc |
| 1110 // -- edi : constructor | 1114 // -- edi : constructor |
| 1111 // -- esp[0] : return address | 1115 // -- esp[0] : return address |
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| 1127 __ CmpObjectType(ebx, MAP_TYPE, ecx); | 1131 __ CmpObjectType(ebx, MAP_TYPE, ecx); |
| 1128 __ Assert(equal, "Unexpected initial map for Array function"); | 1132 __ Assert(equal, "Unexpected initial map for Array function"); |
| 1129 } | 1133 } |
| 1130 | 1134 |
| 1131 // Run the native code for the Array function called as constructor. | 1135 // Run the native code for the Array function called as constructor. |
| 1132 ArrayNativeCode(masm, true, &generic_constructor); | 1136 ArrayNativeCode(masm, true, &generic_constructor); |
| 1133 | 1137 |
| 1134 // Jump to the generic construct code in case the specialized code cannot | 1138 // Jump to the generic construct code in case the specialized code cannot |
| 1135 // handle the construction. | 1139 // handle the construction. |
| 1136 __ bind(&generic_constructor); | 1140 __ bind(&generic_constructor); |
| 1137 Code* code = Builtins::builtin(Builtins::JSConstructStubGeneric); | 1141 Code* code = Isolate::Current()->builtins()->builtin( |
| 1142 Builtins::JSConstructStubGeneric); |
| 1138 Handle<Code> generic_construct_stub(code); | 1143 Handle<Code> generic_construct_stub(code); |
| 1139 __ jmp(generic_construct_stub, RelocInfo::CODE_TARGET); | 1144 __ jmp(generic_construct_stub, RelocInfo::CODE_TARGET); |
| 1140 } | 1145 } |
| 1141 | 1146 |
| 1142 | 1147 |
| 1143 static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) { | 1148 static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) { |
| 1144 __ push(ebp); | 1149 __ push(ebp); |
| 1145 __ mov(ebp, Operand(esp)); | 1150 __ mov(ebp, Operand(esp)); |
| 1146 | 1151 |
| 1147 // Store the arguments adaptor context sentinel. | 1152 // Store the arguments adaptor context sentinel. |
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| 1252 __ bind(&dont_adapt_arguments); | 1257 __ bind(&dont_adapt_arguments); |
| 1253 __ jmp(Operand(edx)); | 1258 __ jmp(Operand(edx)); |
| 1254 } | 1259 } |
| 1255 | 1260 |
| 1256 | 1261 |
| 1257 #undef __ | 1262 #undef __ |
| 1258 | 1263 |
| 1259 } } // namespace v8::internal | 1264 } } // namespace v8::internal |
| 1260 | 1265 |
| 1261 #endif // V8_TARGET_ARCH_IA32 | 1266 #endif // V8_TARGET_ARCH_IA32 |
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