forked from qt-creator/qt-creator
a55b7c6094
the first call to readAllStandardOutput() made no sense, as the buffer would be empty at that time anyway. Change-Id: Ie306745a94f98ce358e4af373169d0a5b0a82d23 Reviewed-by: hjk <hjk@qt.io>
82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include <QCoreApplication>
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#include <QDebug>
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#include <QProcess>
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#if defined(Q_OS_LINUX)
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#include <stdio.h>
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#include <signal.h>
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#include <execinfo.h>
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#endif
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namespace Debugger {
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namespace Internal {
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void dumpBacktrace(int maxdepth)
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{
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if (maxdepth == -1)
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maxdepth = 200;
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#if defined(Q_OS_LINUX)
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void *bt[200] = {nullptr};
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qDebug() << "BACKTRACE:";
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int size = backtrace(bt, sizeof(bt) / sizeof(bt[0]));
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for (int i = 0; i < qMin(size, maxdepth); i++)
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qDebug() << "0x" + QByteArray::number(quintptr(bt[i]), 16);
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QProcess proc;
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QStringList args;
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args.append("-e");
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args.append(QCoreApplication::arguments().at(0));
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proc.start("addr2line", args);
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proc.waitForStarted();
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for (int i = 0; i < qMin(size, maxdepth); i++)
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proc.write("0x" + QByteArray::number(quintptr(bt[i]), 16) + '\n');
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proc.closeWriteChannel();
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proc.waitForFinished();
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QByteArray out = proc.readAllStandardOutput();
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qDebug() << QCoreApplication::arguments().at(0);
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qDebug() << out;
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#endif
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}
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/*
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void installSignalHandlers()
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{
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#if defined(Q_OS_LINUX)
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struct sigaction SignalAction;
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SignalAction.sa_sigaction = handler;
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sigemptyset(&SignalAction.sa_mask);
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SignalAction.sa_flags = SA_SIGINFO;
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sigaction(SIGSEGV, &SignalAction, NULL);
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sigaction(SIGABRT, &SignalAction, NULL);
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#endif
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}
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*/
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} // namespace Internal
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} // namespace Debugger
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