Index: src/ic/ia32/handler-compiler-ia32.cc |
diff --git a/src/ic/ia32/handler-compiler-ia32.cc b/src/ic/ia32/handler-compiler-ia32.cc |
index 37ab66de1f1265b3be11fc8e27fd85da13b29721..0af84eb81bbdf001b668ebda6d71da90d657d69e 100644 |
--- a/src/ic/ia32/handler-compiler-ia32.cc |
+++ b/src/ic/ia32/handler-compiler-ia32.cc |
@@ -594,6 +594,58 @@ |
} |
+void NamedLoadHandlerCompiler::GenerateLoadCallback( |
+ Register reg, Handle<AccessorInfo> callback) { |
+ DCHECK(!AreAliased(scratch2(), scratch3(), receiver())); |
+ DCHECK(!AreAliased(scratch2(), scratch3(), reg)); |
+ |
+ // Insert additional parameters into the stack frame above return address. |
+ __ pop(scratch3()); // Get return address to place it below. |
+ |
+ // 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()); // receiver |
+ // Push data from AccessorInfo. |
+ Handle<Object> data(callback->data(), isolate()); |
+ if (data->IsUndefined() || data->IsSmi()) { |
+ __ push(Immediate(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(scratch2(), cell); |
+ __ push(scratch2()); |
+ } |
+ __ push(Immediate(isolate()->factory()->undefined_value())); // ReturnValue |
+ // ReturnValue default value |
+ __ push(Immediate(isolate()->factory()->undefined_value())); |
+ __ push(Immediate(reinterpret_cast<int>(isolate()))); |
+ __ push(reg); // holder |
+ __ push(Immediate(Smi::FromInt(0))); // should_throw_on_error -> false |
+ |
+ __ push(name()); // name |
+ __ push(scratch3()); // Restore return address. |
+ |
+ // Abi for CallApiGetter |
+ Register getter_address = ApiGetterDescriptor::function_address(); |
+ Address function_address = v8::ToCData<Address>(callback->getter()); |
+ __ mov(getter_address, Immediate(function_address)); |
+ |
+ CallApiGetterStub stub(isolate()); |
+ __ TailCallStub(&stub); |
+} |
+ |
+ |
void NamedLoadHandlerCompiler::GenerateLoadConstant(Handle<Object> value) { |
// Return the constant value. |
__ LoadObject(eax, value); |