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// 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.
#ifndef V8_CCTEST_COMPILER_CALL_TESTER_H_
#define V8_CCTEST_COMPILER_CALL_TESTER_H_
#include "src/handles.h"
#include "src/objects/code.h"
#include "src/simulator.h"
#include "test/cctest/compiler/c-signature.h"
namespace v8 {
namespace internal {
namespace compiler {
template <typename R>
class CallHelper {
public:
explicit CallHelper(Isolate* isolate, MachineSignature* csig)
: csig_(csig), isolate_(isolate) {
USE(isolate_);
}
virtual ~CallHelper() = default;
template <typename... Params>
R Call(Params... args) {
CSignature::VerifyParams<Params...>(csig_);
Address entry = Generate();
auto fn = GeneratedCode<R, Params...>::FromAddress(isolate_, entry);
return fn.Call(args...);
}
protected:
MachineSignature* csig_;
virtual Address Generate() = 0;
private:
Isolate* isolate_;
};
// A call helper that calls the given code object assuming C calling convention.
template <typename T>
class CodeRunner : public CallHelper<T> {
public:
CodeRunner(Isolate* isolate, Handle<Code> code, MachineSignature* csig)
: CallHelper<T>(isolate, csig), code_(code) {}
~CodeRunner() override = default;
Address Generate() override { return code_->entry(); }
private:
Handle<Code> code_;
};
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_CCTEST_COMPILER_CALL_TESTER_H_
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