FFI Compiler based on code stub assembler

src/compiler/ffi-compiler.h

+// Copyright 2016 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.
+
+#ifndef V8_COMPILER_FFI_COMPILER_H_
+#define V8_COMPILER_FFI_COMPILER_H_
+
+#include "src/machine-type.h"
+
+namespace v8 {
+namespace internal {
+namespace ffi {
+
+typedef Signature<MachineType> FFISignature;
+
+struct NativeFunction {
+  FFISignature* sig;
+  uint8_t* start;
+};
+}  // namespace ffi
+
+namespace compiler {
+
+Handle<JSFunction> CompileJSToNativeWrapper(Isolate* isolate,
+                                            Handle<String> name,
+                                            ffi::NativeFunction func);
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_COMPILER_FFI_COMPILER_H_