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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/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/compiler.h" | 10 #include "src/compiler.h" |
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3909 | 3909 |
3910 | 3910 |
3911 void FullCodeGenerator::EmitDefaultConstructorCallSuper(CallRuntime* expr) { | 3911 void FullCodeGenerator::EmitDefaultConstructorCallSuper(CallRuntime* expr) { |
3912 ZoneList<Expression*>* args = expr->arguments(); | 3912 ZoneList<Expression*>* args = expr->arguments(); |
3913 DCHECK(args->length() == 2); | 3913 DCHECK(args->length() == 2); |
3914 | 3914 |
3915 // Evaluate new.target and super constructor. | 3915 // Evaluate new.target and super constructor. |
3916 VisitForStackValue(args->at(0)); | 3916 VisitForStackValue(args->at(0)); |
3917 VisitForStackValue(args->at(1)); | 3917 VisitForStackValue(args->at(1)); |
3918 | 3918 |
3919 // Load original constructor into ecx. | |
3920 __ mov(ecx, Operand(esp, 1 * kPointerSize)); | |
3921 | |
3922 // Check if the calling frame is an arguments adaptor frame. | 3919 // Check if the calling frame is an arguments adaptor frame. |
3923 Label adaptor_frame, args_set_up, runtime; | 3920 Label adaptor_frame, args_set_up, runtime; |
3924 __ mov(edx, Operand(ebp, StandardFrameConstants::kCallerFPOffset)); | 3921 __ mov(edx, Operand(ebp, StandardFrameConstants::kCallerFPOffset)); |
3925 __ mov(ebx, Operand(edx, StandardFrameConstants::kContextOffset)); | 3922 __ mov(ebx, Operand(edx, StandardFrameConstants::kContextOffset)); |
3926 __ cmp(ebx, Immediate(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR))); | 3923 __ cmp(ebx, Immediate(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR))); |
3927 __ j(equal, &adaptor_frame); | 3924 __ j(equal, &adaptor_frame); |
3928 // default constructor has no arguments, so no adaptor frame means no args. | 3925 // default constructor has no arguments, so no adaptor frame means no args. |
3929 __ mov(eax, Immediate(0)); | 3926 __ mov(eax, Immediate(0)); |
3930 __ jmp(&args_set_up); | 3927 __ jmp(&args_set_up); |
3931 | 3928 |
3932 // Copy arguments from adaptor frame. | 3929 // Copy arguments from adaptor frame. |
3933 { | 3930 { |
3934 __ bind(&adaptor_frame); | 3931 __ bind(&adaptor_frame); |
3935 __ mov(ebx, Operand(edx, ArgumentsAdaptorFrameConstants::kLengthOffset)); | 3932 __ mov(ebx, Operand(edx, ArgumentsAdaptorFrameConstants::kLengthOffset)); |
3936 __ SmiUntag(ebx); | 3933 __ SmiUntag(ebx); |
3937 | 3934 |
3938 __ mov(eax, ebx); | 3935 __ mov(eax, ebx); |
3939 __ lea(edx, Operand(edx, ebx, times_pointer_size, | 3936 __ lea(edx, Operand(edx, ebx, times_pointer_size, |
3940 StandardFrameConstants::kCallerSPOffset)); | 3937 StandardFrameConstants::kCallerSPOffset)); |
3941 Label loop; | 3938 Label loop; |
3942 __ bind(&loop); | 3939 __ bind(&loop); |
3943 __ push(Operand(edx, -1 * kPointerSize)); | 3940 __ push(Operand(edx, -1 * kPointerSize)); |
3944 __ sub(edx, Immediate(kPointerSize)); | 3941 __ sub(edx, Immediate(kPointerSize)); |
3945 __ dec(ebx); | 3942 __ dec(ebx); |
3946 __ j(not_zero, &loop); | 3943 __ j(not_zero, &loop); |
3947 } | 3944 } |
3948 | 3945 |
3949 __ bind(&args_set_up); | 3946 __ bind(&args_set_up); |
3950 | 3947 |
3951 __ mov(edi, Operand(esp, eax, times_pointer_size, 0)); | 3948 __ mov(edx, Operand(esp, eax, times_pointer_size, 1 * kPointerSize)); |
3952 __ mov(ebx, Immediate(isolate()->factory()->undefined_value())); | 3949 __ mov(edi, Operand(esp, eax, times_pointer_size, 0 * kPointerSize)); |
3953 CallConstructStub stub(isolate(), SUPER_CONSTRUCTOR_CALL); | 3950 __ Call(isolate()->builtins()->Construct(), RelocInfo::CONSTRUCT_CALL); |
3954 __ call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL); | |
3955 | 3951 |
3956 // Restore context register. | 3952 // Restore context register. |
3957 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); | 3953 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); |
3958 | 3954 |
3959 context()->DropAndPlug(1, eax); | 3955 context()->DropAndPlug(1, eax); |
3960 } | 3956 } |
3961 | 3957 |
3962 | 3958 |
3963 void FullCodeGenerator::EmitRegExpConstructResult(CallRuntime* expr) { | 3959 void FullCodeGenerator::EmitRegExpConstructResult(CallRuntime* expr) { |
3964 // Load the arguments on the stack and call the stub. | 3960 // Load the arguments on the stack and call the stub. |
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5136 Assembler::target_address_at(call_target_address, | 5132 Assembler::target_address_at(call_target_address, |
5137 unoptimized_code)); | 5133 unoptimized_code)); |
5138 return OSR_AFTER_STACK_CHECK; | 5134 return OSR_AFTER_STACK_CHECK; |
5139 } | 5135 } |
5140 | 5136 |
5141 | 5137 |
5142 } // namespace internal | 5138 } // namespace internal |
5143 } // namespace v8 | 5139 } // namespace v8 |
5144 | 5140 |
5145 #endif // V8_TARGET_ARCH_IA32 | 5141 #endif // V8_TARGET_ARCH_IA32 |
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