X87: [api] Expose FunctionCallbackInfo::NewTarget.

src/x87/code-stubs-x87.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/code-stubs.h"
 #include "src/api-arguments.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 5343 matching lines @@
 
   typedef FunctionCallbackArguments FCA;
 
   STATIC_ASSERT(FCA::kContextSaveIndex == 6);
   STATIC_ASSERT(FCA::kCalleeIndex == 5);
   STATIC_ASSERT(FCA::kDataIndex == 4);
   STATIC_ASSERT(FCA::kReturnValueOffset == 3);
   STATIC_ASSERT(FCA::kReturnValueDefaultValueIndex == 2);
   STATIC_ASSERT(FCA::kIsolateIndex == 1);
   STATIC_ASSERT(FCA::kHolderIndex == 0);
-  STATIC_ASSERT(FCA::kArgsLength == 7);
+  STATIC_ASSERT(FCA::kNewTargetIndex == 7);
+  STATIC_ASSERT(FCA::kArgsLength == 8);
 
   __ pop(return_address);
+
+  // new target
+  __ PushRoot(Heap::kUndefinedValueRootIndex);
+
   // context save.
   __ push(context);
 
   // callee
   __ push(callee);
 
   // call data
   __ push(call_data);
 
   Register scratch = call_data;
@@ skipping 24 matching lines @@
   }
 
   // API function gets reference to the v8::Arguments. If CPU profiler
   // is enabled wrapper function will be called and we need to pass
   // address of the callback as additional parameter, always allocate
   // space for it.
   const int kApiArgc = 1 + 1;
 
   // Allocate the v8::Arguments structure in the arguments' space since
   // it's not controlled by GC.
-  const int kApiStackSpace = 4;
+  const int kApiStackSpace = 3;
 
   PrepareCallApiFunction(masm, kApiArgc + kApiStackSpace);
 
   // FunctionCallbackInfo::implicit_args_.
   __ mov(ApiParameterOperand(2), scratch);
   __ add(scratch, Immediate((argc() + FCA::kArgsLength - 1) * kPointerSize));
   // FunctionCallbackInfo::values_.
   __ mov(ApiParameterOperand(3), scratch);
   // FunctionCallbackInfo::length_.
   __ Move(ApiParameterOperand(4), Immediate(argc()));
-  // FunctionCallbackInfo::is_construct_call_.
-  __ Move(ApiParameterOperand(5), Immediate(0));
 
   // v8::InvocationCallback's argument.
   __ lea(scratch, ApiParameterOperand(2));
   __ mov(ApiParameterOperand(0), scratch);
 
   ExternalReference thunk_ref =
       ExternalReference::invoke_function_callback(masm->isolate());
 
   Operand context_restore_operand(ebp,
                                   (2 + FCA::kContextSaveIndex) * kPointerSize);
   // Stores return the first js argument
   int return_value_offset = 0;
   if (is_store()) {
     return_value_offset = 2 + FCA::kArgsLength;
   } else {
     return_value_offset = 2 + FCA::kReturnValueOffset;
   }
   Operand return_value_operand(ebp, return_value_offset * kPointerSize);
   int stack_space = 0;
-  Operand is_construct_call_operand = ApiParameterOperand(5);
-  Operand* stack_space_operand = &is_construct_call_operand;
+  Operand length_operand = ApiParameterOperand(4);
+  Operand* stack_space_operand = &length_operand;
   stack_space = argc() + FCA::kArgsLength + 1;
   stack_space_operand = nullptr;
   CallApiFunctionAndReturn(masm, api_function_address, thunk_ref,
                            ApiParameterOperand(1), stack_space,
                            stack_space_operand, return_value_operand,
                            &context_restore_operand);
 }
 
 
 void CallApiGetterStub::Generate(MacroAssembler* masm) {
@@ skipping 66 matching lines @@
                            kStackUnwindSpace, nullptr, return_value_operand,
                            NULL);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87