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Issue 1892533004: Change calling convention of CallApiGetterStub to accept the AccessorInfo (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Importing mips patch from 1896963002 Created 4 years, 8 months ago
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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_ARM 5 #if V8_TARGET_ARCH_ARM
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 } 590 }
591 } 591 }
592 592
593 593
594 void NamedLoadHandlerCompiler::GenerateLoadConstant(Handle<Object> value) { 594 void NamedLoadHandlerCompiler::GenerateLoadConstant(Handle<Object> value) {
595 // Return the constant value. 595 // Return the constant value.
596 __ Move(r0, value); 596 __ Move(r0, value);
597 __ Ret(); 597 __ Ret();
598 } 598 }
599 599
600
601 void NamedLoadHandlerCompiler::GenerateLoadCallback(
602 Register reg, Handle<AccessorInfo> callback) {
603 DCHECK(!AreAliased(scratch2(), scratch3(), scratch4(), receiver()));
604 DCHECK(!AreAliased(scratch2(), scratch3(), scratch4(), reg));
605
606 // Build v8::PropertyCallbackInfo::args_ array on the stack and push property
607 // name below the exit frame to make GC aware of them.
608 STATIC_ASSERT(PropertyCallbackArguments::kShouldThrowOnErrorIndex == 0);
609 STATIC_ASSERT(PropertyCallbackArguments::kHolderIndex == 1);
610 STATIC_ASSERT(PropertyCallbackArguments::kIsolateIndex == 2);
611 STATIC_ASSERT(PropertyCallbackArguments::kReturnValueDefaultValueIndex == 3);
612 STATIC_ASSERT(PropertyCallbackArguments::kReturnValueOffset == 4);
613 STATIC_ASSERT(PropertyCallbackArguments::kDataIndex == 5);
614 STATIC_ASSERT(PropertyCallbackArguments::kThisIndex == 6);
615 STATIC_ASSERT(PropertyCallbackArguments::kArgsLength == 7);
616
617 __ push(receiver());
618 // Push data from AccessorInfo.
619 Handle<Object> data(callback->data(), isolate());
620 if (data->IsUndefined() || data->IsSmi()) {
621 __ Move(scratch2(), data);
622 } else {
623 Handle<WeakCell> cell =
624 isolate()->factory()->NewWeakCell(Handle<HeapObject>::cast(data));
625 // The callback is alive if this instruction is executed,
626 // so the weak cell is not cleared and points to data.
627 __ GetWeakValue(scratch2(), cell);
628 }
629 __ push(scratch2());
630 __ LoadRoot(scratch2(), Heap::kUndefinedValueRootIndex);
631 __ Push(scratch2(), scratch2());
632 __ mov(scratch2(), Operand(ExternalReference::isolate_address(isolate())));
633 __ Push(scratch2(), reg);
634 __ Push(Smi::FromInt(0)); // should_throw_on_error -> false
635 __ push(name());
636
637 // Abi for CallApiGetter
638 Register getter_address_reg = ApiGetterDescriptor::function_address();
639
640 Address getter_address = v8::ToCData<Address>(callback->getter());
641 ApiFunction fun(getter_address);
642 ExternalReference::Type type = ExternalReference::DIRECT_GETTER_CALL;
643 ExternalReference ref = ExternalReference(&fun, type, isolate());
644 __ mov(getter_address_reg, Operand(ref));
645
646 CallApiGetterStub stub(isolate());
647 __ TailCallStub(&stub);
648 }
649
650
651 void NamedLoadHandlerCompiler::GenerateLoadInterceptorWithFollowup( 600 void NamedLoadHandlerCompiler::GenerateLoadInterceptorWithFollowup(
652 LookupIterator* it, Register holder_reg) { 601 LookupIterator* it, Register holder_reg) {
653 DCHECK(holder()->HasNamedInterceptor()); 602 DCHECK(holder()->HasNamedInterceptor());
654 DCHECK(!holder()->GetNamedInterceptor()->getter()->IsUndefined()); 603 DCHECK(!holder()->GetNamedInterceptor()->getter()->IsUndefined());
655 604
656 // Compile the interceptor call, followed by inline code to load the 605 // Compile the interceptor call, followed by inline code to load the
657 // property from further up the prototype chain if the call fails. 606 // property from further up the prototype chain if the call fails.
658 // Check that the maps haven't changed. 607 // Check that the maps haven't changed.
659 DCHECK(holder_reg.is(receiver()) || holder_reg.is(scratch1())); 608 DCHECK(holder_reg.is(receiver()) || holder_reg.is(scratch1()));
660 609
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786 // Return the generated code. 735 // Return the generated code.
787 return GetCode(kind(), name); 736 return GetCode(kind(), name);
788 } 737 }
789 738
790 739
791 #undef __ 740 #undef __
792 } // namespace internal 741 } // namespace internal
793 } // namespace v8 742 } // namespace v8
794 743
795 #endif // V8_TARGET_ARCH_ARM 744 #endif // V8_TARGET_ARCH_ARM
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