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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <util.h>
#include <QtTest/QtTest>
#include <QtCore/qprocess.h>
#include <QtCore/qtemporaryfile.h>
#include <QtQml/qqml.h>
#include <QtQml/qqmlapplicationengine.h>
#include <private/qv4global_p.h>
#ifdef Q_OS_WIN
#include <windows.h>
#endif
class tst_QV4Assembler : public QQmlDataTest
{
Q_OBJECT
private slots:
void initTestCase() override;
void perfMapFile();
void functionTable();
void jitEnabled();
};
void tst_QV4Assembler::initTestCase()
{
qputenv("QV4_JIT_CALL_THRESHOLD", "0");
QQmlDataTest::initTestCase();
}
void tst_QV4Assembler::perfMapFile()
{
#if !defined(Q_OS_LINUX)
QSKIP("perf map files are only generated on linux");
#else
const QString qmljs = QLibraryInfo::location(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.length(), 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
}
#ifdef V4_ENABLE_JIT
#define JIT_ENABLED 1
#else
#define JIT_ENABLED 0
#endif
void tst_QV4Assembler::jitEnabled()
{
#if defined(Q_OS_IOS) || defined(Q_OS_TVOS)
/* JIT should be disabled on iOS and tvOS. */
QCOMPARE(JIT_ENABLED, 0);
#elif defined(Q_OS_WIN) && defined(Q_PROCESSOR_ARM)
/* JIT should be disabled Windows on ARM/ARM64 for now. */
QCOMPARE(JIT_ENABLED, 0);
#else
/* JIT should be enabled on all other architectures/OSes tested in CI. */
QCOMPARE(JIT_ENABLED, 1);
#endif
}
QTEST_MAIN(tst_QV4Assembler)
#include "tst_qv4assembler.moc"
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