Index: src/ic/arm64/handler-compiler-arm64.cc |
diff --git a/src/ic/arm64/handler-compiler-arm64.cc b/src/ic/arm64/handler-compiler-arm64.cc |
index 84c0397cd11434fef672956ed579fb6b75768b45..d44b331b63da0e937039a434eb78c60c39ab3026 100644 |
--- a/src/ic/arm64/handler-compiler-arm64.cc |
+++ b/src/ic/arm64/handler-compiler-arm64.cc |
@@ -632,6 +632,56 @@ |
__ Ret(); |
} |
+ |
+void NamedLoadHandlerCompiler::GenerateLoadCallback( |
+ Register reg, Handle<AccessorInfo> callback) { |
+ DCHECK(!AreAliased(scratch2(), scratch3(), scratch4(), receiver())); |
+ DCHECK(!AreAliased(scratch2(), scratch3(), scratch4(), reg)); |
+ |
+ // Build v8::PropertyCallbackInfo::args_ array on the stack and push property |
+ // name below the exit frame to make GC aware of them. |
+ STATIC_ASSERT(PropertyCallbackArguments::kShouldThrowOnErrorIndex == 0); |
+ STATIC_ASSERT(PropertyCallbackArguments::kHolderIndex == 1); |
+ STATIC_ASSERT(PropertyCallbackArguments::kIsolateIndex == 2); |
+ STATIC_ASSERT(PropertyCallbackArguments::kReturnValueDefaultValueIndex == 3); |
+ STATIC_ASSERT(PropertyCallbackArguments::kReturnValueOffset == 4); |
+ STATIC_ASSERT(PropertyCallbackArguments::kDataIndex == 5); |
+ STATIC_ASSERT(PropertyCallbackArguments::kThisIndex == 6); |
+ STATIC_ASSERT(PropertyCallbackArguments::kArgsLength == 7); |
+ |
+ __ Push(receiver()); |
+ |
+ Handle<Object> data(callback->data(), isolate()); |
+ if (data->IsUndefined() || data->IsSmi()) { |
+ __ Mov(scratch3(), Operand(data)); |
+ } else { |
+ Handle<WeakCell> cell = |
+ isolate()->factory()->NewWeakCell(Handle<HeapObject>::cast(data)); |
+ // The callback is alive if this instruction is executed, |
+ // so the weak cell is not cleared and points to data. |
+ __ GetWeakValue(scratch3(), cell); |
+ } |
+ __ LoadRoot(scratch4(), Heap::kUndefinedValueRootIndex); |
+ __ Mov(scratch2(), Operand(ExternalReference::isolate_address(isolate()))); |
+ __ Push(scratch3(), scratch4(), scratch4(), scratch2(), reg); |
+ __ Push(Smi::FromInt(0)); // should_throw_on_error -> false |
+ __ Push(name()); |
+ |
+ // Abi for CallApiGetter. |
+ Register getter_address_reg = x2; |
+ |
+ // Set up the call. |
+ Address getter_address = v8::ToCData<Address>(callback->getter()); |
+ ApiFunction fun(getter_address); |
+ ExternalReference::Type type = ExternalReference::DIRECT_GETTER_CALL; |
+ ExternalReference ref = ExternalReference(&fun, type, isolate()); |
+ __ Mov(getter_address_reg, ref); |
+ |
+ CallApiGetterStub stub(isolate()); |
+ __ TailCallStub(&stub); |
+} |
+ |
+ |
void NamedLoadHandlerCompiler::GenerateLoadInterceptorWithFollowup( |
LookupIterator* it, Register holder_reg) { |
DCHECK(!AreAliased(receiver(), this->name(), scratch1(), scratch2(), |