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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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