Revert of Change calling convention of CallApiGetterStub to accept the AccessorInfo

src/mips/code-stubs-mips.cc

Index: src/mips/code-stubs-mips.cc
diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
index 39259d75a6a73d7bb6069f89d3c07943c5cc0a34..7fd79a6004ac2139e0fd38176d7c1818d7a21b61 100644
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -5690,36 +5690,16 @@
 
 
 void CallApiGetterStub::Generate(MacroAssembler* masm) {
-  // 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);
+  // ----------- 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));
+
   // v8::PropertyCallbackInfo::args_ array and name handle.
   const int kStackUnwindSpace = PropertyCallbackArguments::kArgsLength + 1;
 
@@ -5738,10 +5718,6 @@
 
   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(