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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_X87 | 5 #if V8_TARGET_ARCH_X87 |
6 | 6 |
7 #include "src/code-factory.h" | 7 #include "src/code-factory.h" |
8 #include "src/code-stubs.h" | 8 #include "src/code-stubs.h" |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/debug/debug.h" | 10 #include "src/debug/debug.h" |
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111 if (info->MustReplaceUndefinedReceiverWithGlobalProxy()) { | 111 if (info->MustReplaceUndefinedReceiverWithGlobalProxy()) { |
112 Label ok; | 112 Label ok; |
113 // +1 for return address. | 113 // +1 for return address. |
114 int receiver_offset = (info->scope()->num_parameters() + 1) * kPointerSize; | 114 int receiver_offset = (info->scope()->num_parameters() + 1) * kPointerSize; |
115 __ mov(ecx, Operand(esp, receiver_offset)); | 115 __ mov(ecx, Operand(esp, receiver_offset)); |
116 | 116 |
117 __ cmp(ecx, isolate()->factory()->undefined_value()); | 117 __ cmp(ecx, isolate()->factory()->undefined_value()); |
118 __ j(not_equal, &ok, Label::kNear); | 118 __ j(not_equal, &ok, Label::kNear); |
119 | 119 |
120 __ mov(ecx, GlobalObjectOperand()); | 120 __ mov(ecx, GlobalObjectOperand()); |
121 __ mov(ecx, FieldOperand(ecx, GlobalObject::kGlobalProxyOffset)); | 121 __ mov(ecx, FieldOperand(ecx, JSGlobalObject::kGlobalProxyOffset)); |
122 | 122 |
123 __ mov(Operand(esp, receiver_offset), ecx); | 123 __ mov(Operand(esp, receiver_offset), ecx); |
124 | 124 |
125 __ bind(&ok); | 125 __ bind(&ok); |
126 } | 126 } |
127 | 127 |
128 // Open a frame scope to indicate that there is a frame on the stack. The | 128 // Open a frame scope to indicate that there is a frame on the stack. The |
129 // MANUAL indicates that the scope shouldn't actually generate code to set up | 129 // MANUAL indicates that the scope shouldn't actually generate code to set up |
130 // the frame (that is done below). | 130 // the frame (that is done below). |
131 FrameScope frame_scope(masm_, StackFrame::MANUAL); | 131 FrameScope frame_scope(masm_, StackFrame::MANUAL); |
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2164 | 2164 |
2165 __ Allocate(JSIteratorResult::kSize, eax, ecx, edx, &allocate, TAG_OBJECT); | 2165 __ Allocate(JSIteratorResult::kSize, eax, ecx, edx, &allocate, TAG_OBJECT); |
2166 __ jmp(&done_allocate, Label::kNear); | 2166 __ jmp(&done_allocate, Label::kNear); |
2167 | 2167 |
2168 __ bind(&allocate); | 2168 __ bind(&allocate); |
2169 __ Push(Smi::FromInt(JSIteratorResult::kSize)); | 2169 __ Push(Smi::FromInt(JSIteratorResult::kSize)); |
2170 __ CallRuntime(Runtime::kAllocateInNewSpace, 1); | 2170 __ CallRuntime(Runtime::kAllocateInNewSpace, 1); |
2171 | 2171 |
2172 __ bind(&done_allocate); | 2172 __ bind(&done_allocate); |
2173 __ mov(ebx, GlobalObjectOperand()); | 2173 __ mov(ebx, GlobalObjectOperand()); |
2174 __ mov(ebx, FieldOperand(ebx, GlobalObject::kNativeContextOffset)); | 2174 __ mov(ebx, FieldOperand(ebx, JSGlobalObject::kNativeContextOffset)); |
2175 __ mov(ebx, ContextOperand(ebx, Context::ITERATOR_RESULT_MAP_INDEX)); | 2175 __ mov(ebx, ContextOperand(ebx, Context::ITERATOR_RESULT_MAP_INDEX)); |
2176 __ mov(FieldOperand(eax, HeapObject::kMapOffset), ebx); | 2176 __ mov(FieldOperand(eax, HeapObject::kMapOffset), ebx); |
2177 __ mov(FieldOperand(eax, JSObject::kPropertiesOffset), | 2177 __ mov(FieldOperand(eax, JSObject::kPropertiesOffset), |
2178 isolate()->factory()->empty_fixed_array()); | 2178 isolate()->factory()->empty_fixed_array()); |
2179 __ mov(FieldOperand(eax, JSObject::kElementsOffset), | 2179 __ mov(FieldOperand(eax, JSObject::kElementsOffset), |
2180 isolate()->factory()->empty_fixed_array()); | 2180 isolate()->factory()->empty_fixed_array()); |
2181 __ pop(FieldOperand(eax, JSIteratorResult::kValueOffset)); | 2181 __ pop(FieldOperand(eax, JSIteratorResult::kValueOffset)); |
2182 __ mov(FieldOperand(eax, JSIteratorResult::kDoneOffset), | 2182 __ mov(FieldOperand(eax, JSIteratorResult::kDoneOffset), |
2183 isolate()->factory()->ToBoolean(done)); | 2183 isolate()->factory()->ToBoolean(done)); |
2184 STATIC_ASSERT(JSIteratorResult::kSize == 5 * kPointerSize); | 2184 STATIC_ASSERT(JSIteratorResult::kSize == 5 * kPointerSize); |
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4161 void FullCodeGenerator::EmitCreateIterResultObject(CallRuntime* expr) { | 4161 void FullCodeGenerator::EmitCreateIterResultObject(CallRuntime* expr) { |
4162 ZoneList<Expression*>* args = expr->arguments(); | 4162 ZoneList<Expression*>* args = expr->arguments(); |
4163 DCHECK_EQ(2, args->length()); | 4163 DCHECK_EQ(2, args->length()); |
4164 VisitForStackValue(args->at(0)); | 4164 VisitForStackValue(args->at(0)); |
4165 VisitForStackValue(args->at(1)); | 4165 VisitForStackValue(args->at(1)); |
4166 | 4166 |
4167 Label runtime, done; | 4167 Label runtime, done; |
4168 | 4168 |
4169 __ Allocate(JSIteratorResult::kSize, eax, ecx, edx, &runtime, TAG_OBJECT); | 4169 __ Allocate(JSIteratorResult::kSize, eax, ecx, edx, &runtime, TAG_OBJECT); |
4170 __ mov(ebx, GlobalObjectOperand()); | 4170 __ mov(ebx, GlobalObjectOperand()); |
4171 __ mov(ebx, FieldOperand(ebx, GlobalObject::kNativeContextOffset)); | 4171 __ mov(ebx, FieldOperand(ebx, JSGlobalObject::kNativeContextOffset)); |
4172 __ mov(ebx, ContextOperand(ebx, Context::ITERATOR_RESULT_MAP_INDEX)); | 4172 __ mov(ebx, ContextOperand(ebx, Context::ITERATOR_RESULT_MAP_INDEX)); |
4173 __ mov(FieldOperand(eax, HeapObject::kMapOffset), ebx); | 4173 __ mov(FieldOperand(eax, HeapObject::kMapOffset), ebx); |
4174 __ mov(FieldOperand(eax, JSObject::kPropertiesOffset), | 4174 __ mov(FieldOperand(eax, JSObject::kPropertiesOffset), |
4175 isolate()->factory()->empty_fixed_array()); | 4175 isolate()->factory()->empty_fixed_array()); |
4176 __ mov(FieldOperand(eax, JSObject::kElementsOffset), | 4176 __ mov(FieldOperand(eax, JSObject::kElementsOffset), |
4177 isolate()->factory()->empty_fixed_array()); | 4177 isolate()->factory()->empty_fixed_array()); |
4178 __ pop(FieldOperand(eax, JSIteratorResult::kDoneOffset)); | 4178 __ pop(FieldOperand(eax, JSIteratorResult::kDoneOffset)); |
4179 __ pop(FieldOperand(eax, JSIteratorResult::kValueOffset)); | 4179 __ pop(FieldOperand(eax, JSIteratorResult::kValueOffset)); |
4180 STATIC_ASSERT(JSIteratorResult::kSize == 5 * kPointerSize); | 4180 STATIC_ASSERT(JSIteratorResult::kSize == 5 * kPointerSize); |
4181 __ jmp(&done, Label::kNear); | 4181 __ jmp(&done, Label::kNear); |
4182 | 4182 |
4183 __ bind(&runtime); | 4183 __ bind(&runtime); |
4184 __ CallRuntime(Runtime::kCreateIterResultObject, 2); | 4184 __ CallRuntime(Runtime::kCreateIterResultObject, 2); |
4185 | 4185 |
4186 __ bind(&done); | 4186 __ bind(&done); |
4187 context()->Plug(eax); | 4187 context()->Plug(eax); |
4188 } | 4188 } |
4189 | 4189 |
4190 | 4190 |
4191 void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) { | 4191 void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) { |
4192 // Push undefined as receiver. | 4192 // Push undefined as receiver. |
4193 __ push(Immediate(isolate()->factory()->undefined_value())); | 4193 __ push(Immediate(isolate()->factory()->undefined_value())); |
4194 | 4194 |
4195 __ mov(eax, GlobalObjectOperand()); | 4195 __ mov(eax, GlobalObjectOperand()); |
4196 __ mov(eax, FieldOperand(eax, GlobalObject::kNativeContextOffset)); | 4196 __ mov(eax, FieldOperand(eax, JSGlobalObject::kNativeContextOffset)); |
4197 __ mov(eax, ContextOperand(eax, expr->context_index())); | 4197 __ mov(eax, ContextOperand(eax, expr->context_index())); |
4198 } | 4198 } |
4199 | 4199 |
4200 | 4200 |
4201 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) { | 4201 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) { |
4202 ZoneList<Expression*>* args = expr->arguments(); | 4202 ZoneList<Expression*>* args = expr->arguments(); |
4203 int arg_count = args->length(); | 4203 int arg_count = args->length(); |
4204 | 4204 |
4205 SetCallPosition(expr, arg_count); | 4205 SetCallPosition(expr, arg_count); |
4206 CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS); | 4206 CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS); |
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5007 Assembler::target_address_at(call_target_address, | 5007 Assembler::target_address_at(call_target_address, |
5008 unoptimized_code)); | 5008 unoptimized_code)); |
5009 return OSR_AFTER_STACK_CHECK; | 5009 return OSR_AFTER_STACK_CHECK; |
5010 } | 5010 } |
5011 | 5011 |
5012 | 5012 |
5013 } // namespace internal | 5013 } // namespace internal |
5014 } // namespace v8 | 5014 } // namespace v8 |
5015 | 5015 |
5016 #endif // V8_TARGET_ARCH_X87 | 5016 #endif // V8_TARGET_ARCH_X87 |
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