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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd
** All rights reserved.
** For any questions to The Qt Company, please use contact form at http://www.qt.io/contact-us
**
** This file is part of the Qt Enterprise Perf Profiler Add-on.
**
** GNU General Public License Usage
** This file may be used under the terms of the GNU General Public License
** version 3 as published by the Free Software Foundation and appearing in
** the file LICENSE.GPLv3 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.html.
**
** If you have questions regarding the use of this file, please use
** contact form at http://www.qt.io/contact-us
**
****************************************************************************/
#pragma once
#include <QFileInfo>
#include <QVector>
#include <limits>
class PerfElfMap : public QObject
{
Q_OBJECT
public:
struct ElfInfo {
enum {
INVALID_BASE_ADDR = std::numeric_limits<quint64>::max()
};
explicit ElfInfo(const QFileInfo &localFile = QFileInfo(), quint64 addr = 0,
quint64 length = 0, quint64 pgoff = 0,
const QByteArray &originalFileName = {},
const QByteArray &originalPath = {}) :
localFile(localFile),
originalFileName(originalFileName.isEmpty()
? localFile.fileName().toLocal8Bit()
: originalFileName),
originalPath(originalPath.isEmpty()
? localFile.absoluteFilePath().toLocal8Bit()
: originalPath),
addr(addr), length(length), pgoff(pgoff)
{}
bool isValid() const
{
return length > 0;
}
bool isFile() const
{
return localFile.isFile();
}
bool hasBaseAddr() const
{
return baseAddr != INVALID_BASE_ADDR;
}
bool operator==(const ElfInfo& rhs) const
{
return isFile() == rhs.isFile()
&& (!isFile() || localFile == rhs.localFile)
&& originalFileName == rhs.originalFileName
&& originalPath == rhs.originalPath
&& addr == rhs.addr
&& length == rhs.length
&& pgoff == rhs.pgoff
&& baseAddr == rhs.baseAddr;
}
QFileInfo localFile;
QByteArray originalFileName;
QByteArray originalPath;
quint64 addr;
quint64 length;
quint64 pgoff;
quint64 baseAddr = INVALID_BASE_ADDR;
quint64 dwflStart = 0;
quint64 dwflEnd = 0;
};
explicit PerfElfMap(QObject *parent = nullptr);
~PerfElfMap();
void registerElf(quint64 addr, quint64 len, quint64 pgoff,
const QFileInfo &fullPath,
const QByteArray &originalFileName = {},
const QByteArray &originalPath = {});
ElfInfo findElf(quint64 ip) const;
void updateElf(quint64 addr, quint64 dwflStart, quint64 dwflEnd);
bool isEmpty() const
{
return m_elfs.isEmpty();
}
bool isAddressInRange(quint64 addr) const;
signals:
void aboutToInvalidate(const ElfInfo &elf);
private:
// elf sorted by start address
QVector<ElfInfo> m_elfs;
// last registered elf with zero pgoff
ElfInfo m_lastBase;
};
QT_BEGIN_NAMESPACE
Q_DECLARE_TYPEINFO(PerfElfMap::ElfInfo, Q_MOVABLE_TYPE);
QT_END_NAMESPACE
QDebug operator<<(QDebug stream, const PerfElfMap::ElfInfo& info);
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