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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef CORESTACKTRACECONTEXT_H
#define CORESTACKTRACECONTEXT_H
#include "cdbcom.h"
#include <QtCore/QString>
#include <QtCore/QVector>
#include <QtCore/QSharedPointer>
#include <QtCore/QMap>
QT_BEGIN_NAMESPACE
class QTextStream;
class QDebug;
QT_END_NAMESPACE
namespace CdbCore {
struct ComInterfaces;
class SymbolGroupContext;
struct StackFrame {
StackFrame();
bool hasFile() const { return !fileName.isEmpty(); }
void format(QTextStream &) const;
QString toString() const;
QString module;
QString function;
QString fileName;
ULONG line;
ULONG64 address;
};
struct Thread {
explicit Thread(unsigned long id = 0, unsigned long sysId = 0);
QString toString() const;
unsigned long id;
unsigned long systemId;
quint64 dataOffset; // Only for current.
QString name;
};
inline bool operator<(const Thread &t1, const Thread &t2) { return t1.id < t2.id; }
QDebug operator<<(QDebug d, const StackFrame &);
QDebug operator<<(QDebug d, const Thread &);
/* Context representing a break point stack consisting of several frames.
* Maintains an on-demand constructed list of SymbolGroupContext
* containining the local variables of the stack. */
class StackTraceContext
{
Q_DISABLE_COPY(StackTraceContext)
protected:
explicit StackTraceContext(const ComInterfaces *cif);
bool init(unsigned long maxFramesIn, QString *errorMessage);
public:
// Utilities to check for special functions
enum SpecialFunction {
BreakPointFunction,
WaitFunction,
KiFastSystemCallRet,
None
};
static SpecialFunction specialFunction(const QString &module, const QString &function);
enum { maxFrames = 100 };
~StackTraceContext();
static StackTraceContext *create(const ComInterfaces *cif,
unsigned long maxFramesIn,
QString *errorMessage);
// Search for function. Empty module means "don't match on module"
int indexOf(const QString &function, const QString &module = QString()) const;
// Top-Level instruction offset for disassembler
ULONG64 instructionOffset() const { return m_instructionOffset; }
int frameCount() const { return m_frames.size(); }
SymbolGroupContext *symbolGroupContextAt(int index, QString *errorMessage);
const StackFrame stackFrameAt(int index) const { return m_frames.at(index); }
// Format for logging
void format(QTextStream &str) const;
QString toString() const;
// Thread helpers: Retrieve a list of thread ids. Also works when running.
static bool getThreadList(const CdbCore::ComInterfaces &cif,
QVector<Thread> *threads,
ULONG *currentThreadId,
QString *errorMessage);
// Retrieve detailed information about a threads in stopped state.
// Potentially changes current thread id.
static inline bool getStoppedThreadState(const CdbCore::ComInterfaces &cif,
unsigned long id,
StackFrame *topFrame,
QString *errorMessage);
// Get the stack traces for threads in stopped state (only, fails when running).
// Potentially changes and restores current thread.
static bool getStoppedThreadFrames(const CdbCore::ComInterfaces &cif,
ULONG currentThreadId,
const QVector<Thread> &threads,
QVector<StackFrame> *frames,
QString *errorMessage);
protected:
virtual SymbolGroupContext *createSymbolGroup(const ComInterfaces &cif,
int index,
const QString &prefix,
CIDebugSymbolGroup *comSymbolGroup,
QString *errorMessage);
static QString msgFrameContextFailed(int index, const StackFrame &f, const QString &why);
private:
bool setScope(int index, QString *errorMessage);
CIDebugSymbolGroup *createCOM_SymbolGroup(int index, QString *errorMessage);
inline static StackFrame frameFromFRAME(const CdbCore::ComInterfaces &cif,
const DEBUG_STACK_FRAME &s);
// const QSharedPointer<CdbDumperHelper> m_dumper;
const ComInterfaces *m_cif;
DEBUG_STACK_FRAME m_cdbFrames[maxFrames];
QVector <SymbolGroupContext*> m_frameContexts;
QVector<StackFrame> m_frames;
ULONG64 m_instructionOffset;
int m_lastIndex;
};
QDebug operator<<(QDebug d, const StackTraceContext &);
} // namespace Internal
#endif // CORESTACKTRACECONTEXT_H
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