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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtTest/QtTest>
#if QT_CONFIG(process)
#include <QtCore/qprocess.h>
#endif
#include <QtCore/qtemporaryfile.h>
#include <QtQml/qqml.h>
#include <QtQml/qqmlapplicationengine.h>
#include <QtQuickTestUtils/private/qmlutils_p.h>
#include <private/qv4global_p.h>
#ifdef Q_OS_WIN
#include <qt_windows.h>
#endif
class tst_QV4Assembler : public QQmlDataTest
{
Q_OBJECT
public:
tst_QV4Assembler();
private slots:
void initTestCase() override;
void perfMapFile();
void functionTable();
void jitEnabled();
};
tst_QV4Assembler::tst_QV4Assembler()
: QQmlDataTest(QT_QMLTEST_DATADIR)
{
}
void tst_QV4Assembler::initTestCase()
{
qputenv("QV4_JIT_CALL_THRESHOLD", "0");
QQmlDataTest::initTestCase();
}
void tst_QV4Assembler::perfMapFile()
{
#if !QT_CONFIG(process)
QSKIP("Depends on QProcess");
#elif !defined(Q_OS_LINUX) || defined(Q_OS_ANDROID)
QSKIP("perf map files are only generated on linux");
#else
const QString qmljs = QLibraryInfo::path(QLibraryInfo::BinariesPath) + "/qmljs";
QProcess process;
QTemporaryFile infile;
QVERIFY(infile.open());
infile.write("'use strict'; function foo() { return 42 }; foo();");
infile.close();
QProcessEnvironment environment = QProcessEnvironment::systemEnvironment();
environment.insert("QV4_PROFILE_WRITE_PERF_MAP", "1");
environment.insert("QV4_JIT_CALL_THRESHOLD", "0");
process.setProcessEnvironment(environment);
process.start(qmljs, QStringList({infile.fileName()}));
QVERIFY(process.waitForStarted());
const qint64 pid = process.processId();
QVERIFY(pid != 0);
QVERIFY(process.waitForFinished());
QCOMPARE(process.exitCode(), 0);
QFile file(QString::fromLatin1("/tmp/perf-%1.map").arg(pid));
QVERIFY(file.exists());
QVERIFY(file.open(QIODevice::ReadOnly));
QList<QByteArray> functions;
while (!file.atEnd()) {
const QByteArray contents = file.readLine();
QVERIFY(contents.endsWith('\n'));
QList<QByteArray> fields = contents.split(' ');
QCOMPARE(fields.size(), 3);
bool ok = false;
const qulonglong address = fields[0].toULongLong(&ok, 16);
QVERIFY(ok);
QVERIFY(address > 0);
const ulong size = fields[1].toULong(&ok, 16);
QVERIFY(ok);
QVERIFY(size > 0);
functions.append(fields[2]);
}
QVERIFY(functions.contains("foo\n"));
#endif
}
#ifdef Q_OS_WIN
class Crash : public QObject
{
Q_OBJECT
public:
explicit Crash(QObject *parent = nullptr) : QObject(parent) { }
Q_INVOKABLE static void crash();
};
static bool crashHandlerHit = false;
static LONG WINAPI crashHandler(EXCEPTION_POINTERS*)
{
crashHandlerHit = true;
return EXCEPTION_CONTINUE_EXECUTION;
}
void Crash::crash()
{
SetUnhandledExceptionFilter(crashHandler);
RaiseException(EXCEPTION_ACCESS_VIOLATION, 0, 0, nullptr);
}
#endif
void tst_QV4Assembler::functionTable()
{
#ifndef Q_OS_WIN
QSKIP("Function tables only exist on windows.");
#else
QQmlApplicationEngine engine;
qmlRegisterType<Crash>("Crash", 1, 0, "Crash");
engine.load(testFileUrl("crash.qml"));
QTRY_VERIFY(crashHandlerHit);
#endif
}
void tst_QV4Assembler::jitEnabled()
{
#if defined(Q_OS_IOS) || defined(Q_OS_TVOS)
/* JIT should be disabled on iOS and tvOS. */
QVERIFY(!QT_CONFIG(qml_jit));
#elif defined(Q_OS_WIN) && defined(Q_PROCESSOR_ARM)
/* JIT should be disabled Windows on ARM/ARM64 for now. */
QVERIFY(!QT_CONFIG(qml_jit));
#elif defined(Q_OS_MACOS) && defined(Q_PROCESSOR_ARM)
/* JIT should be disabled on macOS on ARM/ARM64 for now. */
QVERIFY(!QT_CONFIG(qml_jit));
#else
/* JIT should be enabled on all other architectures/OSes tested in CI. */
QVERIFY(QT_CONFIG(qml_jit));
#endif
}
QTEST_MAIN(tst_QV4Assembler)
#include "tst_qv4assembler.moc"
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