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Unified Diff: src/mips/code-stubs-mips.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/mips/code-stubs-mips.cc
diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
index 7fd79a6004ac2139e0fd38176d7c1818d7a21b61..39259d75a6a73d7bb6069f89d3c07943c5cc0a34 100644
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -5690,16 +5690,36 @@
void CallApiGetterStub::Generate(MacroAssembler* masm) {
- // ----------- S t a t e -------------
- // -- sp[0] : name
- // -- sp[4 .. (4 + kArgsLength*4)] : v8::PropertyCallbackInfo::args_
- // -- ...
- // -- a2 : api_function_address
- // -----------------------------------
-
- Register api_function_address = ApiGetterDescriptor::function_address();
- DCHECK(api_function_address.is(a2));
-
+ // 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 = t0;
+ Register scratch2 = t1;
+ Register scratch3 = t2;
+ DCHECK(!AreAliased(receiver, holder, callback, scratch, scratch2, scratch3));
+
+ Register api_function_address = a2;
+
+ __ Push(receiver);
+ // Push data from AccessorInfo.
+ __ LoadRoot(scratch, Heap::kUndefinedValueRootIndex);
+ __ li(scratch2, Operand(ExternalReference::isolate_address(isolate())));
+ __ lw(scratch3, FieldMemOperand(callback, AccessorInfo::kDataOffset));
+ __ Push(scratch3, scratch, scratch, scratch2, holder);
+ __ Push(Smi::FromInt(0)); // should_throw_on_error -> false
+ __ lw(scratch, FieldMemOperand(callback, AccessorInfo::kNameOffset));
+ __ push(scratch);
// v8::PropertyCallbackInfo::args_ array and name handle.
const int kStackUnwindSpace = PropertyCallbackArguments::kArgsLength + 1;
@@ -5718,6 +5738,10 @@
ExternalReference thunk_ref =
ExternalReference::invoke_accessor_getter_callback(isolate());
+
+ __ lw(scratch, FieldMemOperand(callback, AccessorInfo::kJsGetterOffset));
+ __ lw(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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