Reland of Change calling convention of CallApiGetterStub to accept the AccessorInfo

src/mips64/code-stubs-mips64.cc

Index: src/mips64/code-stubs-mips64.cc
diff --git a/src/mips64/code-stubs-mips64.cc b/src/mips64/code-stubs-mips64.cc
index 2dda3deab434a2b260c255373d0a193d5a7a9e37..9a239b213e245fdf14c84ca9b0d6dcb81e6fc54b 100644
--- a/src/mips64/code-stubs-mips64.cc
+++ b/src/mips64/code-stubs-mips64.cc
@@ -5717,16 +5717,36 @@
 
 
 void CallApiGetterStub::Generate(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- sp[0]                        : name
-  //  -- sp[8 .. (8 + kArgsLength*8)] : 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 = a4;
+  Register scratch2 = a5;
+  Register scratch3 = a6;
+  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())));
+  __ ld(scratch3, FieldMemOperand(callback, AccessorInfo::kDataOffset));
+  __ Push(scratch3, scratch, scratch, scratch2, holder);
+  __ Push(Smi::FromInt(0));  // should_throw_on_error -> false
+  __ ld(scratch, FieldMemOperand(callback, AccessorInfo::kNameOffset));
+  __ Push(scratch);
   // v8::PropertyCallbackInfo::args_ array and name handle.
   const int kStackUnwindSpace = PropertyCallbackArguments::kArgsLength + 1;
 
@@ -5746,6 +5766,10 @@
 
   ExternalReference thunk_ref =
       ExternalReference::invoke_accessor_getter_callback(isolate());
+
+  __ ld(scratch, FieldMemOperand(callback, AccessorInfo::kJsGetterOffset));
+  __ ld(api_function_address,
+        FieldMemOperand(scratch, Foreign::kForeignAddressOffset));
 
   // +3 is to skip prolog, return address and name handle.
   MemOperand return_value_operand(