chromium/v8/test/common/call-tester.h

// Copyright 2022 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_COMMON_CALL_TESTER_H_
#define V8_COMMON_CALL_TESTER_H_

#include "src/execution/simulator.h"
#include "src/handles/handles.h"
#include "src/objects/code.h"
#include "test/common/c-signature.h"

namespace v8 {
namespace internal {
namespace compiler {

template <typename R>
class CallHelper { … };

template <>
template <typename... Params>
Tagged<Object> CallHelper<Tagged<Object>>::Call(Params... args) {
  CSignature::VerifyParams<Params...>(csig_);
  Address entry = Generate();
  auto fn = GeneratedCode<Address, Params...>::FromAddress(isolate_, entry);
  return Tagged<Object>(fn.Call(args...));
}

// A call helper that calls the given code object assuming C calling convention.
template <typename T>
class CodeRunner : public CallHelper<T> { … };

}  // namespace compiler
}  // namespace internal
}  // namespace v8

#endif  // V8_COMMON_CALL_TESTER_H_