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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/v8.h" | 5 #include "src/v8.h" |
| 6 | 6 |
| 7 #if V8_TARGET_ARCH_X87 | 7 #if V8_TARGET_ARCH_X87 |
| 8 | 8 |
| 9 #include "src/bootstrapper.h" | 9 #include "src/bootstrapper.h" |
| 10 #include "src/code-stubs.h" | 10 #include "src/code-stubs.h" |
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| 764 __ j(not_equal, &runtime, Label::kNear); | 764 __ j(not_equal, &runtime, Label::kNear); |
| 765 | 765 |
| 766 // Patch the arguments.length and the parameters pointer. | 766 // Patch the arguments.length and the parameters pointer. |
| 767 __ mov(ecx, Operand(edx, ArgumentsAdaptorFrameConstants::kLengthOffset)); | 767 __ mov(ecx, Operand(edx, ArgumentsAdaptorFrameConstants::kLengthOffset)); |
| 768 __ mov(Operand(esp, 1 * kPointerSize), ecx); | 768 __ mov(Operand(esp, 1 * kPointerSize), ecx); |
| 769 __ lea(edx, Operand(edx, ecx, times_2, | 769 __ lea(edx, Operand(edx, ecx, times_2, |
| 770 StandardFrameConstants::kCallerSPOffset)); | 770 StandardFrameConstants::kCallerSPOffset)); |
| 771 __ mov(Operand(esp, 2 * kPointerSize), edx); | 771 __ mov(Operand(esp, 2 * kPointerSize), edx); |
| 772 | 772 |
| 773 __ bind(&runtime); | 773 __ bind(&runtime); |
| 774 __ TailCallRuntime(Runtime::kHiddenNewArgumentsFast, 3, 1); | 774 __ TailCallRuntime(Runtime::kHiddenNewSloppyArguments, 3, 1); |
| 775 } | 775 } |
| 776 | 776 |
| 777 | 777 |
| 778 void ArgumentsAccessStub::GenerateNewSloppyFast(MacroAssembler* masm) { | 778 void ArgumentsAccessStub::GenerateNewSloppyFast(MacroAssembler* masm) { |
| 779 // esp[0] : return address | 779 // esp[0] : return address |
| 780 // esp[4] : number of parameters (tagged) | 780 // esp[4] : number of parameters (tagged) |
| 781 // esp[8] : receiver displacement | 781 // esp[8] : receiver displacement |
| 782 // esp[12] : function | 782 // esp[12] : function |
| 783 | 783 |
| 784 // ebx = parameter count (tagged) | 784 // ebx = parameter count (tagged) |
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| 987 __ pop(eax); // Address of arguments object. | 987 __ pop(eax); // Address of arguments object. |
| 988 __ pop(ebx); // Parameter count. | 988 __ pop(ebx); // Parameter count. |
| 989 | 989 |
| 990 // Return and remove the on-stack parameters. | 990 // Return and remove the on-stack parameters. |
| 991 __ ret(3 * kPointerSize); | 991 __ ret(3 * kPointerSize); |
| 992 | 992 |
| 993 // Do the runtime call to allocate the arguments object. | 993 // Do the runtime call to allocate the arguments object. |
| 994 __ bind(&runtime); | 994 __ bind(&runtime); |
| 995 __ pop(eax); // Remove saved parameter count. | 995 __ pop(eax); // Remove saved parameter count. |
| 996 __ mov(Operand(esp, 1 * kPointerSize), ecx); // Patch argument count. | 996 __ mov(Operand(esp, 1 * kPointerSize), ecx); // Patch argument count. |
| 997 __ TailCallRuntime(Runtime::kHiddenNewArgumentsFast, 3, 1); | 997 __ TailCallRuntime(Runtime::kHiddenNewSloppyArguments, 3, 1); |
| 998 } | 998 } |
| 999 | 999 |
| 1000 | 1000 |
| 1001 void ArgumentsAccessStub::GenerateNewStrict(MacroAssembler* masm) { | 1001 void ArgumentsAccessStub::GenerateNewStrict(MacroAssembler* masm) { |
| 1002 // esp[0] : return address | 1002 // esp[0] : return address |
| 1003 // esp[4] : number of parameters | 1003 // esp[4] : number of parameters |
| 1004 // esp[8] : receiver displacement | 1004 // esp[8] : receiver displacement |
| 1005 // esp[12] : function | 1005 // esp[12] : function |
| 1006 | 1006 |
| 1007 // Check if the calling frame is an arguments adaptor frame. | 1007 // Check if the calling frame is an arguments adaptor frame. |
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| 1084 __ sub(edx, Immediate(kPointerSize)); | 1084 __ sub(edx, Immediate(kPointerSize)); |
| 1085 __ dec(ecx); | 1085 __ dec(ecx); |
| 1086 __ j(not_zero, &loop); | 1086 __ j(not_zero, &loop); |
| 1087 | 1087 |
| 1088 // Return and remove the on-stack parameters. | 1088 // Return and remove the on-stack parameters. |
| 1089 __ bind(&done); | 1089 __ bind(&done); |
| 1090 __ ret(3 * kPointerSize); | 1090 __ ret(3 * kPointerSize); |
| 1091 | 1091 |
| 1092 // Do the runtime call to allocate the arguments object. | 1092 // Do the runtime call to allocate the arguments object. |
| 1093 __ bind(&runtime); | 1093 __ bind(&runtime); |
| 1094 __ TailCallRuntime(Runtime::kHiddenNewStrictArgumentsFast, 3, 1); | 1094 __ TailCallRuntime(Runtime::kHiddenNewStrictArguments, 3, 1); |
| 1095 } | 1095 } |
| 1096 | 1096 |
| 1097 | 1097 |
| 1098 void RegExpExecStub::Generate(MacroAssembler* masm) { | 1098 void RegExpExecStub::Generate(MacroAssembler* masm) { |
| 1099 // Just jump directly to runtime if native RegExp is not selected at compile | 1099 // Just jump directly to runtime if native RegExp is not selected at compile |
| 1100 // time or if regexp entry in generated code is turned off runtime switch or | 1100 // time or if regexp entry in generated code is turned off runtime switch or |
| 1101 // at compilation. | 1101 // at compilation. |
| 1102 #ifdef V8_INTERPRETED_REGEXP | 1102 #ifdef V8_INTERPRETED_REGEXP |
| 1103 __ TailCallRuntime(Runtime::kHiddenRegExpExec, 4, 1); | 1103 __ TailCallRuntime(Runtime::kHiddenRegExpExec, 4, 1); |
| 1104 #else // V8_INTERPRETED_REGEXP | 1104 #else // V8_INTERPRETED_REGEXP |
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| 4725 Operand(ebp, 7 * kPointerSize), | 4725 Operand(ebp, 7 * kPointerSize), |
| 4726 NULL); | 4726 NULL); |
| 4727 } | 4727 } |
| 4728 | 4728 |
| 4729 | 4729 |
| 4730 #undef __ | 4730 #undef __ |
| 4731 | 4731 |
| 4732 } } // namespace v8::internal | 4732 } } // namespace v8::internal |
| 4733 | 4733 |
| 4734 #endif // V8_TARGET_ARCH_X87 | 4734 #endif // V8_TARGET_ARCH_X87 |
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