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Unified Diff: src/arm/code-stubs-arm.cc

Issue 1903093003: Reland of Change calling convention of CallApiGetterStub to accept the AccessorInfo (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 8 months ago
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Index: src/arm/code-stubs-arm.cc
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index 07a7305a34024ace326c3b28074839eece6afe52..3f1e4377a196d441f82c4e4b5e8d5802dc5b47c4 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -5516,16 +5516,36 @@
void CallApiGetterStub::Generate(MacroAssembler* masm) {
- // ----------- S t a t e -------------
- // -- sp[0] : name
- // -- sp[4 .. (4 + kArgsLength*4)] : v8::PropertyCallbackInfo::args_
- // -- ...
- // -- r2 : api_function_address
- // -----------------------------------
-
- Register api_function_address = ApiGetterDescriptor::function_address();
- DCHECK(api_function_address.is(r2));
-
+ // 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);
+
+ Register receiver = ApiGetterDescriptor::ReceiverRegister();
+ Register holder = ApiGetterDescriptor::HolderRegister();
+ Register callback = ApiGetterDescriptor::CallbackRegister();
+ Register scratch = r4;
+ DCHECK(!AreAliased(receiver, holder, callback, scratch));
+
+ Register api_function_address = r2;
+
+ __ push(receiver);
+ // Push data from AccessorInfo.
+ __ ldr(scratch, FieldMemOperand(callback, AccessorInfo::kDataOffset));
+ __ push(scratch);
+ __ LoadRoot(scratch, Heap::kUndefinedValueRootIndex);
+ __ Push(scratch, scratch);
+ __ mov(scratch, Operand(ExternalReference::isolate_address(isolate())));
+ __ Push(scratch, holder);
+ __ Push(Smi::FromInt(0)); // should_throw_on_error -> false
+ __ ldr(scratch, FieldMemOperand(callback, AccessorInfo::kNameOffset));
+ __ push(scratch);
// v8::PropertyCallbackInfo::args_ array and name handle.
const int kStackUnwindSpace = PropertyCallbackArguments::kArgsLength + 1;
@@ -5544,6 +5564,10 @@
ExternalReference thunk_ref =
ExternalReference::invoke_accessor_getter_callback(isolate());
+
+ __ ldr(scratch, FieldMemOperand(callback, AccessorInfo::kJsGetterOffset));
+ __ ldr(api_function_address,
+ FieldMemOperand(scratch, Foreign::kForeignAddressOffset));
// +3 is to skip prolog, return address and name handle.
MemOperand return_value_operand(
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