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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/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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587 Label success; | 587 Label success; |
588 __ jmp(&success); | 588 __ jmp(&success); |
589 GenerateRestoreName(miss, name); | 589 GenerateRestoreName(miss, name); |
590 if (IC::ICUseVector(kind())) PopVectorAndSlot(); | 590 if (IC::ICUseVector(kind())) PopVectorAndSlot(); |
591 TailCallBuiltin(masm(), MissBuiltin(kind())); | 591 TailCallBuiltin(masm(), MissBuiltin(kind())); |
592 __ bind(&success); | 592 __ bind(&success); |
593 } | 593 } |
594 } | 594 } |
595 | 595 |
596 | 596 |
597 void NamedLoadHandlerCompiler::GenerateLoadCallback( | |
598 Register reg, Handle<AccessorInfo> callback) { | |
599 DCHECK(!AreAliased(scratch2(), scratch3(), receiver())); | |
600 DCHECK(!AreAliased(scratch2(), scratch3(), reg)); | |
601 | |
602 // Insert additional parameters into the stack frame above return address. | |
603 __ pop(scratch3()); // Get return address to place it below. | |
604 | |
605 // Build v8::PropertyCallbackInfo::args_ array on the stack and push property | |
606 // name below the exit frame to make GC aware of them. | |
607 STATIC_ASSERT(PropertyCallbackArguments::kShouldThrowOnErrorIndex == 0); | |
608 STATIC_ASSERT(PropertyCallbackArguments::kHolderIndex == 1); | |
609 STATIC_ASSERT(PropertyCallbackArguments::kIsolateIndex == 2); | |
610 STATIC_ASSERT(PropertyCallbackArguments::kReturnValueDefaultValueIndex == 3); | |
611 STATIC_ASSERT(PropertyCallbackArguments::kReturnValueOffset == 4); | |
612 STATIC_ASSERT(PropertyCallbackArguments::kDataIndex == 5); | |
613 STATIC_ASSERT(PropertyCallbackArguments::kThisIndex == 6); | |
614 STATIC_ASSERT(PropertyCallbackArguments::kArgsLength == 7); | |
615 | |
616 __ push(receiver()); // receiver | |
617 // Push data from AccessorInfo. | |
618 Handle<Object> data(callback->data(), isolate()); | |
619 if (data->IsUndefined() || data->IsSmi()) { | |
620 __ push(Immediate(data)); | |
621 } else { | |
622 Handle<WeakCell> cell = | |
623 isolate()->factory()->NewWeakCell(Handle<HeapObject>::cast(data)); | |
624 // The callback is alive if this instruction is executed, | |
625 // so the weak cell is not cleared and points to data. | |
626 __ GetWeakValue(scratch2(), cell); | |
627 __ push(scratch2()); | |
628 } | |
629 __ push(Immediate(isolate()->factory()->undefined_value())); // ReturnValue | |
630 // ReturnValue default value | |
631 __ push(Immediate(isolate()->factory()->undefined_value())); | |
632 __ push(Immediate(reinterpret_cast<int>(isolate()))); | |
633 __ push(reg); // holder | |
634 __ push(Immediate(Smi::FromInt(0))); // should_throw_on_error -> false | |
635 | |
636 __ push(name()); // name | |
637 __ push(scratch3()); // Restore return address. | |
638 | |
639 // Abi for CallApiGetter | |
640 Register getter_address = ApiGetterDescriptor::function_address(); | |
641 Address function_address = v8::ToCData<Address>(callback->getter()); | |
642 __ mov(getter_address, Immediate(function_address)); | |
643 | |
644 CallApiGetterStub stub(isolate()); | |
645 __ TailCallStub(&stub); | |
646 } | |
647 | |
648 | |
649 void NamedLoadHandlerCompiler::GenerateLoadConstant(Handle<Object> value) { | 597 void NamedLoadHandlerCompiler::GenerateLoadConstant(Handle<Object> value) { |
650 // Return the constant value. | 598 // Return the constant value. |
651 __ LoadObject(eax, value); | 599 __ LoadObject(eax, value); |
652 __ ret(0); | 600 __ ret(0); |
653 } | 601 } |
654 | 602 |
655 | 603 |
656 void NamedLoadHandlerCompiler::GenerateLoadInterceptorWithFollowup( | 604 void NamedLoadHandlerCompiler::GenerateLoadInterceptorWithFollowup( |
657 LookupIterator* it, Register holder_reg) { | 605 LookupIterator* it, Register holder_reg) { |
658 DCHECK(holder()->HasNamedInterceptor()); | 606 DCHECK(holder()->HasNamedInterceptor()); |
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803 // Return the generated code. | 751 // Return the generated code. |
804 return GetCode(kind(), name); | 752 return GetCode(kind(), name); |
805 } | 753 } |
806 | 754 |
807 | 755 |
808 #undef __ | 756 #undef __ |
809 } // namespace internal | 757 } // namespace internal |
810 } // namespace v8 | 758 } // namespace v8 |
811 | 759 |
812 #endif // V8_TARGET_ARCH_X87 | 760 #endif // V8_TARGET_ARCH_X87 |
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