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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 #if V8_TARGET_ARCH_IA32 | 5 #if V8_TARGET_ARCH_IA32 |
| 6 | 6 |
| 7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
| 8 #include "src/bootstrapper.h" | 8 #include "src/bootstrapper.h" |
| 9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
| 10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
| (...skipping 875 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 886 __ Allocate(ebx, eax, edi, no_reg, &runtime, TAG_OBJECT); | 886 __ Allocate(ebx, eax, edi, no_reg, &runtime, TAG_OBJECT); |
| 887 | 887 |
| 888 // eax = address of new object(s) (tagged) | 888 // eax = address of new object(s) (tagged) |
| 889 // ecx = argument count (smi-tagged) | 889 // ecx = argument count (smi-tagged) |
| 890 // esp[0] = mapped parameter count (tagged) | 890 // esp[0] = mapped parameter count (tagged) |
| 891 // esp[4] = function | 891 // esp[4] = function |
| 892 // esp[8] = parameter count (tagged) | 892 // esp[8] = parameter count (tagged) |
| 893 // Get the arguments map from the current native context into edi. | 893 // Get the arguments map from the current native context into edi. |
| 894 Label has_mapped_parameters, instantiate; | 894 Label has_mapped_parameters, instantiate; |
| 895 __ mov(edi, Operand(esi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); | 895 __ mov(edi, Operand(esi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); |
| 896 __ mov(edi, FieldOperand(edi, GlobalObject::kNativeContextOffset)); | 896 __ mov(edi, FieldOperand(edi, JSGlobalObject::kNativeContextOffset)); |
| 897 __ mov(ebx, Operand(esp, 0 * kPointerSize)); | 897 __ mov(ebx, Operand(esp, 0 * kPointerSize)); |
| 898 __ test(ebx, ebx); | 898 __ test(ebx, ebx); |
| 899 __ j(not_zero, &has_mapped_parameters, Label::kNear); | 899 __ j(not_zero, &has_mapped_parameters, Label::kNear); |
| 900 __ mov( | 900 __ mov( |
| 901 edi, | 901 edi, |
| 902 Operand(edi, Context::SlotOffset(Context::SLOPPY_ARGUMENTS_MAP_INDEX))); | 902 Operand(edi, Context::SlotOffset(Context::SLOPPY_ARGUMENTS_MAP_INDEX))); |
| 903 __ jmp(&instantiate, Label::kNear); | 903 __ jmp(&instantiate, Label::kNear); |
| 904 | 904 |
| 905 __ bind(&has_mapped_parameters); | 905 __ bind(&has_mapped_parameters); |
| 906 __ mov(edi, Operand(edi, Context::SlotOffset( | 906 __ mov(edi, Operand(edi, Context::SlotOffset( |
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| 1090 __ j(zero, &add_arguments_object, Label::kNear); | 1090 __ j(zero, &add_arguments_object, Label::kNear); |
| 1091 __ lea(eax, Operand(eax, times_2, FixedArray::kHeaderSize)); | 1091 __ lea(eax, Operand(eax, times_2, FixedArray::kHeaderSize)); |
| 1092 __ bind(&add_arguments_object); | 1092 __ bind(&add_arguments_object); |
| 1093 __ add(eax, Immediate(Heap::kStrictArgumentsObjectSize)); | 1093 __ add(eax, Immediate(Heap::kStrictArgumentsObjectSize)); |
| 1094 | 1094 |
| 1095 // Do the allocation of both objects in one go. | 1095 // Do the allocation of both objects in one go. |
| 1096 __ Allocate(eax, eax, ebx, no_reg, &runtime, TAG_OBJECT); | 1096 __ Allocate(eax, eax, ebx, no_reg, &runtime, TAG_OBJECT); |
| 1097 | 1097 |
| 1098 // Get the arguments map from the current native context. | 1098 // Get the arguments map from the current native context. |
| 1099 __ mov(edi, Operand(esi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); | 1099 __ mov(edi, Operand(esi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); |
| 1100 __ mov(edi, FieldOperand(edi, GlobalObject::kNativeContextOffset)); | 1100 __ mov(edi, FieldOperand(edi, JSGlobalObject::kNativeContextOffset)); |
| 1101 const int offset = Context::SlotOffset(Context::STRICT_ARGUMENTS_MAP_INDEX); | 1101 const int offset = Context::SlotOffset(Context::STRICT_ARGUMENTS_MAP_INDEX); |
| 1102 __ mov(edi, Operand(edi, offset)); | 1102 __ mov(edi, Operand(edi, offset)); |
| 1103 | 1103 |
| 1104 __ mov(FieldOperand(eax, JSObject::kMapOffset), edi); | 1104 __ mov(FieldOperand(eax, JSObject::kMapOffset), edi); |
| 1105 __ mov(FieldOperand(eax, JSObject::kPropertiesOffset), | 1105 __ mov(FieldOperand(eax, JSObject::kPropertiesOffset), |
| 1106 masm->isolate()->factory()->empty_fixed_array()); | 1106 masm->isolate()->factory()->empty_fixed_array()); |
| 1107 __ mov(FieldOperand(eax, JSObject::kElementsOffset), | 1107 __ mov(FieldOperand(eax, JSObject::kElementsOffset), |
| 1108 masm->isolate()->factory()->empty_fixed_array()); | 1108 masm->isolate()->factory()->empty_fixed_array()); |
| 1109 | 1109 |
| 1110 // Get the length (smi tagged) and set that as an in-object property too. | 1110 // Get the length (smi tagged) and set that as an in-object property too. |
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| 5868 Operand(ebp, 7 * kPointerSize), NULL); | 5868 Operand(ebp, 7 * kPointerSize), NULL); |
| 5869 } | 5869 } |
| 5870 | 5870 |
| 5871 | 5871 |
| 5872 #undef __ | 5872 #undef __ |
| 5873 | 5873 |
| 5874 } // namespace internal | 5874 } // namespace internal |
| 5875 } // namespace v8 | 5875 } // namespace v8 |
| 5876 | 5876 |
| 5877 #endif // V8_TARGET_ARCH_IA32 | 5877 #endif // V8_TARGET_ARCH_IA32 |
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