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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_X64 | 5 #if V8_TARGET_ARCH_X64 |
6 | 6 |
7 #include "src/ic/handler-compiler.h" | 7 #include "src/ic/handler-compiler.h" |
8 | 8 |
9 #include "src/api-arguments.h" | 9 #include "src/api-arguments.h" |
10 #include "src/field-type.h" | 10 #include "src/field-type.h" |
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590 if (!miss->is_unused()) { | 590 if (!miss->is_unused()) { |
591 Label success; | 591 Label success; |
592 __ jmp(&success); | 592 __ jmp(&success); |
593 GenerateRestoreName(miss, name); | 593 GenerateRestoreName(miss, name); |
594 if (IC::ICUseVector(kind())) PopVectorAndSlot(); | 594 if (IC::ICUseVector(kind())) PopVectorAndSlot(); |
595 TailCallBuiltin(masm(), MissBuiltin(kind())); | 595 TailCallBuiltin(masm(), MissBuiltin(kind())); |
596 __ bind(&success); | 596 __ bind(&success); |
597 } | 597 } |
598 } | 598 } |
599 | 599 |
600 | |
601 void NamedLoadHandlerCompiler::GenerateLoadCallback( | |
602 Register reg, Handle<AccessorInfo> callback) { | |
603 DCHECK(!AreAliased(kScratchRegister, scratch2(), scratch3(), receiver())); | |
604 DCHECK(!AreAliased(kScratchRegister, scratch2(), scratch3(), reg)); | |
605 | |
606 // Insert additional parameters into the stack frame above return address. | |
607 __ PopReturnAddressTo(scratch3()); | |
608 | |
609 // Build v8::PropertyCallbackInfo::args_ array on the stack and push property | |
610 // name below the exit frame to make GC aware of them. | |
611 STATIC_ASSERT(PropertyCallbackArguments::kShouldThrowOnErrorIndex == 0); | |
612 STATIC_ASSERT(PropertyCallbackArguments::kHolderIndex == 1); | |
613 STATIC_ASSERT(PropertyCallbackArguments::kIsolateIndex == 2); | |
614 STATIC_ASSERT(PropertyCallbackArguments::kReturnValueDefaultValueIndex == 3); | |
615 STATIC_ASSERT(PropertyCallbackArguments::kReturnValueOffset == 4); | |
616 STATIC_ASSERT(PropertyCallbackArguments::kDataIndex == 5); | |
617 STATIC_ASSERT(PropertyCallbackArguments::kThisIndex == 6); | |
618 STATIC_ASSERT(PropertyCallbackArguments::kArgsLength == 7); | |
619 | |
620 __ Push(receiver()); // receiver | |
621 Handle<Object> data(callback->data(), isolate()); | |
622 if (data->IsUndefined() || data->IsSmi()) { | |
623 __ Push(data); | |
624 } else { | |
625 Handle<WeakCell> cell = | |
626 isolate()->factory()->NewWeakCell(Handle<HeapObject>::cast(data)); | |
627 // The callback is alive if this instruction is executed, | |
628 // so the weak cell is not cleared and points to data. | |
629 __ GetWeakValue(scratch2(), cell); | |
630 __ Push(scratch2()); | |
631 } | |
632 __ LoadRoot(kScratchRegister, Heap::kUndefinedValueRootIndex); | |
633 __ Push(kScratchRegister); // return value | |
634 __ Push(kScratchRegister); // return value default | |
635 __ PushAddress(ExternalReference::isolate_address(isolate())); | |
636 __ Push(reg); // holder | |
637 __ Push(Smi::FromInt(0)); // should_throw_on_error -> false | |
638 | |
639 __ Push(name()); // name | |
640 __ PushReturnAddressFrom(scratch3()); | |
641 | |
642 // Abi for CallApiGetter | |
643 Register api_function_address = ApiGetterDescriptor::function_address(); | |
644 Address getter_address = v8::ToCData<Address>(callback->getter()); | |
645 __ Move(api_function_address, getter_address, RelocInfo::EXTERNAL_REFERENCE); | |
646 | |
647 CallApiGetterStub stub(isolate()); | |
648 __ TailCallStub(&stub); | |
649 } | |
650 | |
651 | |
652 void NamedLoadHandlerCompiler::GenerateLoadConstant(Handle<Object> value) { | 600 void NamedLoadHandlerCompiler::GenerateLoadConstant(Handle<Object> value) { |
653 // Return the constant value. | 601 // Return the constant value. |
654 __ Move(rax, value); | 602 __ Move(rax, value); |
655 __ ret(0); | 603 __ ret(0); |
656 } | 604 } |
657 | 605 |
658 | 606 |
659 void NamedLoadHandlerCompiler::GenerateLoadInterceptorWithFollowup( | 607 void NamedLoadHandlerCompiler::GenerateLoadInterceptorWithFollowup( |
660 LookupIterator* it, Register holder_reg) { | 608 LookupIterator* it, Register holder_reg) { |
661 DCHECK(holder()->HasNamedInterceptor()); | 609 DCHECK(holder()->HasNamedInterceptor()); |
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800 // Return the generated code. | 748 // Return the generated code. |
801 return GetCode(kind(), name); | 749 return GetCode(kind(), name); |
802 } | 750 } |
803 | 751 |
804 | 752 |
805 #undef __ | 753 #undef __ |
806 } // namespace internal | 754 } // namespace internal |
807 } // namespace v8 | 755 } // namespace v8 |
808 | 756 |
809 #endif // V8_TARGET_ARCH_X64 | 757 #endif // V8_TARGET_ARCH_X64 |
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