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Issue 1359583002: [builtins] Add support for NewTarget to Execution::New. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: REBASE. Merge mips and mips64 ports. Created 5 years, 3 months ago
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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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