v8/test/common/call-tester.h
Feng Yu 4392e0a4ad [test] Migrate cctest/compiler/test-codegen to unittests/
This changeset include:
1. [prepare for migrate] move `cctest/compiler/value-helper.h`,
`cctest/compiler/c-signature.h`, and `cctest/compiler/call-tester.h` to
`test/common` directory because both `test-codegen` and a lot of cctest file
include it.
2. [prepare for migrate] separate the tester helper part of `test-codegen`
into a new `codegen-tester` file.
3. finally, migrate test-codegen.cc to `codegen-unittest.cc`

Bug: v8:12781
Change-Id: Ia2f52c1d3b6b62501066dc1c4308a2c09d699e92
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3831146
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82630}
2022-08-22 17:28:27 +00:00

75 lines
2.0 KiB
C++

// 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 {
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_;
};
template <>
template <typename... Params>
Object CallHelper<Object>::Call(Params... args) {
CSignature::VerifyParams<Params...>(csig_);
Address entry = Generate();
auto fn = GeneratedCode<Address, Params...>::FromAddress(isolate_, entry);
return 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> {
public:
CodeRunner(Isolate* isolate, Handle<Code> code, MachineSignature* csig)
: CallHelper<T>(isolate, csig), code_(code) {}
#ifdef V8_EXTERNAL_CODE_SPACE
CodeRunner(Isolate* isolate, Handle<CodeT> code, MachineSignature* csig)
: CallHelper<T>(isolate, csig), code_(FromCodeT(*code), isolate) {}
#endif // V8_EXTERNAL_CODE_SPACE
~CodeRunner() override = default;
Address Generate() override { return code_->entry(); }
private:
Handle<Code> code_;
};
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_COMMON_CALL_TESTER_H_