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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 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.
**
**************************************************************************/
#include "termgdbadapter.h"
#include "debuggerstartparameters.h"
#include "gdbmi.h"
#include "gdbengine.h"
#include "procinterrupt.h"
#include "debuggerstringutils.h"
#include "debuggercore.h"
#include <utils/qtcassert.h>
#include <coreplugin/icore.h>
#include <QtGui/QMessageBox>
#ifdef Q_OS_WIN
# include "dbgwinutils.h"
# include "dbgwinutils.h"
#endif
namespace Debugger {
namespace Internal {
#define CB(callback) \
static_cast<GdbEngine::AdapterCallback>(&TermGdbAdapter::callback), \
STRINGIFY(callback)
///////////////////////////////////////////////////////////////////////
//
// TermGdbAdapter
//
///////////////////////////////////////////////////////////////////////
TermGdbAdapter::TermGdbAdapter(GdbEngine *engine, QObject *parent)
: AbstractGdbAdapter(engine, parent)
{
m_stubProc.setMode(Utils::ConsoleProcess::Debug);
#ifdef Q_OS_UNIX
m_stubProc.setSettings(Core::ICore::instance()->settings());
#endif
connect(&m_stubProc, SIGNAL(processMessage(QString, bool)), SLOT(stubMessage(QString, bool)));
connect(&m_stubProc, SIGNAL(processStarted()), SLOT(handleInferiorSetupOk()));
connect(&m_stubProc, SIGNAL(wrapperStopped()), SLOT(stubExited()));
}
TermGdbAdapter::~TermGdbAdapter()
{
m_stubProc.disconnect(); // Avoid spurious state transitions from late exiting stub
}
AbstractGdbAdapter::DumperHandling TermGdbAdapter::dumperHandling() const
{
// LD_PRELOAD fails for System-Qt on Mac.
#if defined(Q_OS_WIN) || defined(Q_OS_MAC)
return DumperLoadedByGdb;
#else
return DumperLoadedByAdapter; // Handles loading itself via LD_PRELOAD
#endif
}
void TermGdbAdapter::startAdapter()
{
QTC_ASSERT(state() == EngineSetupRequested, qDebug() << state());
showMessage(_("TRYING TO START ADAPTER"));
// Currently, adapters are not re-used
// // We leave the console open, so recycle it now.
// m_stubProc.blockSignals(true);
// m_stubProc.stop();
// m_stubProc.blockSignals(false);
#ifdef Q_OS_WIN
if (!prepareCommand())
return;
#endif
m_stubProc.setWorkingDirectory(startParameters().workingDirectory);
// Set environment + dumper preload.
m_stubProc.setEnvironment(startParameters().environment);
// FIXME: Starting the stub implies starting the inferior. This is
// fairly unclean as far as the state machine and error reporting go.
if (!m_stubProc.start(startParameters().executable,
startParameters().processArgs)) {
// Error message for user is delivered via a signal.
m_engine->handleAdapterStartFailed(QString(), QString());
return;
}
if (!m_engine->startGdb()) {
m_stubProc.stop();
return;
}
}
void TermGdbAdapter::handleInferiorSetupOk()
{
QTC_ASSERT(state() == EngineSetupRequested, qDebug() << state());
m_engine->handleAdapterStarted();
}
void TermGdbAdapter::setupInferior()
{
QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());
const qint64 attachedPID = m_stubProc.applicationPID();
#ifdef Q_OS_WIN
const qint64 attachedMainThreadID = m_stubProc.applicationMainThreadID();
showMessage(QString::fromLatin1("Attaching to %1 (%2)").arg(attachedPID).arg(attachedMainThreadID), LogMisc);
#else
showMessage(QString::fromLatin1("Attaching to %1").arg(attachedPID), LogMisc);
#endif
m_engine->notifyInferiorPid(attachedPID);
m_engine->postCommand("attach " + QByteArray::number(attachedPID),
CB(handleStubAttached));
}
void TermGdbAdapter::handleStubAttached(const GdbResponse &response)
{
QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());
#ifdef Q_OS_WIN
QString errorMessage;
#endif // Q_OS_WIN
switch (response.resultClass) {
case GdbResultDone:
case GdbResultRunning:
#ifdef Q_OS_WIN
// Resume thread that was suspended by console stub process (see stub code).
if (winResumeThread(m_stubProc.applicationMainThreadID(), &errorMessage)) {
showMessage(QString::fromLatin1("Inferior attached, thread %1 resumed").
arg(m_stubProc.applicationMainThreadID()), LogMisc);
} else {
showMessage(QString::fromLatin1("Inferior attached, unable to resume thread %1: %2").
arg(m_stubProc.applicationMainThreadID()).arg(errorMessage),
LogWarning);
}
#else
showMessage(_("INFERIOR ATTACHED"));
#endif // Q_OS_WIN
m_engine->handleInferiorPrepared();
#ifdef Q_OS_LINUX
m_engine->postCommand("-stack-list-frames 0 0", CB(handleEntryPoint));
#endif
break;
case GdbResultError:
m_engine->notifyInferiorSetupFailed(QString::fromLocal8Bit(response.data.findChild("msg").data()));
break;
default:
m_engine->notifyInferiorSetupFailed(QString::fromLatin1("Invalid response %1").arg(response.resultClass));
break;
}
}
void TermGdbAdapter::runEngine()
{
QTC_ASSERT(state() == EngineRunRequested, qDebug() << state());
m_engine->notifyEngineRunAndInferiorStopOk();
m_engine->continueInferiorInternal();
}
#ifdef Q_OS_LINUX
void TermGdbAdapter::handleEntryPoint(const GdbResponse &response)
{
if (response.resultClass == GdbResultDone) {
GdbMi stack = response.data.findChild("stack");
if (stack.isValid() && stack.childCount() == 1)
m_engine->m_entryPoint = stack.childAt(0).findChild("addr").data();
}
}
#endif
void TermGdbAdapter::interruptInferior()
{
const qint64 attachedPID = m_engine->inferiorPid();
QTC_ASSERT(attachedPID > 0, return);
if (!interruptProcess(attachedPID))
showMessage(_("CANNOT INTERRUPT %1").arg(attachedPID));
}
void TermGdbAdapter::stubMessage(const QString &msg, bool)
{
showMessageBox(QMessageBox::Critical, tr("Debugger Error"), msg);
}
void TermGdbAdapter::stubExited()
{
if (state() == EngineShutdownRequested || state() == DebuggerFinished) {
showMessage(_("STUB EXITED EXPECTEDLY"));
return;
}
showMessage(_("STUB EXITED"));
m_engine->notifyEngineIll();
}
void TermGdbAdapter::shutdownInferior()
{
m_engine->defaultInferiorShutdown("kill");
}
void TermGdbAdapter::shutdownAdapter()
{
m_engine->notifyAdapterShutdownOk();
}
} // namespace Internal
} // namespace Debugger
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