[builtins] Port parameter and argument-related code stubs to CSA

src/runtime/runtime-scopes.cc

 // Copyright 2014 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.
 
 #include "src/runtime/runtime-utils.h"
 
 #include <memory>
 
 #include "src/accessors.h"
 #include "src/arguments.h"
@@ skipping 572 matching lines @@
     for (int i = 0; i < num_elements; i++) {
       elements->set(i, *arguments[i + start_index], mode);
     }
   }
   return *result;
 }
 
 
 RUNTIME_FUNCTION(Runtime_NewSloppyArguments) {
   HandleScope scope(isolate);
-  DCHECK_EQ(3, args.length());
+  DCHECK_EQ(1, args.length());
   CONVERT_ARG_HANDLE_CHECKED(JSFunction, callee, 0);
-  Object** parameters = reinterpret_cast<Object**>(args[1]);
-  CONVERT_SMI_ARG_CHECKED(argument_count, 2);
+  StackFrameIterator iterator(isolate);
+
+  // Stub/interpreter handler frame
+  iterator.Advance();
+  DCHECK(iterator.frame()->type() == StackFrame::STUB);
+
+  // Function frame
+  iterator.Advance();
+  JavaScriptFrame* function_frame = JavaScriptFrame::cast(iterator.frame());
+  DCHECK(function_frame->is_java_script());
+  int argc = function_frame->GetArgumentsLength();
+  Address fp = function_frame->fp();
+  if (function_frame->has_adapted_arguments()) {
+    iterator.Advance();
+    fp = iterator.frame()->fp();
+  }
+
+  Object** parameters = reinterpret_cast<Object**>(
+      fp + argc * kPointerSize + StandardFrameConstants::kCallerSPOffset);
   ParameterArguments argument_getter(parameters);
-  return *NewSloppyArguments(isolate, callee, argument_getter, argument_count);
+  return *NewSloppyArguments(isolate, callee, argument_getter, argc);
 }
 
 RUNTIME_FUNCTION(Runtime_NewArgumentsElements) {
   HandleScope scope(isolate);
   DCHECK_EQ(2, args.length());
   Object** frame = reinterpret_cast<Object**>(args[0]);
   CONVERT_SMI_ARG_CHECKED(length, 1);
   Handle<FixedArray> result =
       isolate->factory()->NewUninitializedFixedArray(length);
   int const offset = length + 1;
@@ skipping 383 matching lines @@
 RUNTIME_FUNCTION(Runtime_StoreLookupSlot_Strict) {
   HandleScope scope(isolate);
   DCHECK_EQ(2, args.length());
   CONVERT_ARG_HANDLE_CHECKED(String, name, 0);
   CONVERT_ARG_HANDLE_CHECKED(Object, value, 1);
   RETURN_RESULT_OR_FAILURE(isolate, StoreLookupSlot(name, value, STRICT));
 }
 
 }  // namespace internal
 }  // namespace v8