qt-creator/src/plugins/debugger/gdb/attachgdbadapter.cpp

/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: http://www.qt-project.org/
**
**
** GNU Lesser General Public License Usage
**
** 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.
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** Other Usage
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#include "attachgdbadapter.h"
#include "gdbmi.h"
#include "debuggerstartparameters.h"

#include "gdbengine.h"
#include "procinterrupt.h"
#include "debuggerstringutils.h"

#include <utils/qtcassert.h>


namespace Debugger {
namespace Internal {

#define CB(callback) \
    static_cast<GdbEngine::GdbCommandCallback>(&GdbAttachEngine::callback), \
    STRINGIFY(callback)

///////////////////////////////////////////////////////////////////////
//
// AttachGdbAdapter
//
///////////////////////////////////////////////////////////////////////

GdbAttachEngine::GdbAttachEngine(const DebuggerStartParameters &startParameters,
        DebuggerEngine *masterEngine)
    : GdbEngine(startParameters, masterEngine)
{
}

void GdbAttachEngine::setupEngine()
{
    QTC_ASSERT(state() == EngineSetupRequested, qDebug() << state());
    showMessage(_("TRYING TO START ADAPTER"));
    startGdb();
}

void GdbAttachEngine::setupInferior()
{
    QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());
    const qint64 pid = startParameters().attachPID;
    postCommand("attach " + QByteArray::number(pid), CB(handleAttach));
    // Task 254674 does not want to remove them
    //qq->breakHandler()->removeAllBreakpoints();
}

void GdbAttachEngine::runEngine()
{
    QTC_ASSERT(state() == EngineRunRequested, qDebug() << state());
    showStatusMessage(tr("Attached to process %1.").arg(inferiorPid()));
    notifyEngineRunAndInferiorStopOk();
    handleStop1(GdbMi());
}

void GdbAttachEngine::handleAttach(const GdbResponse &response)
{
    QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());
    switch (response.resultClass) {
    case GdbResultDone:
    case GdbResultRunning:
        showMessage(_("INFERIOR ATTACHED"));
        showMessage(msgAttachedToStoppedInferior(), StatusBar);
        handleInferiorPrepared();
        break;
    case GdbResultError:
        if (response.data.findChild("msg").data() == "ptrace: Operation not permitted.") {
            notifyInferiorSetupFailed(DumperHelper::msgPtraceError(startParameters().startMode));
            break;
        }
        // if msg != "ptrace: ..." fall through
    default:
        QString msg = QString::fromLocal8Bit(response.data.findChild("msg").data());
        notifyInferiorSetupFailed(msg);
    }
}

void GdbAttachEngine::interruptInferior2()
{
    interruptLocalInferior(startParameters().attachPID);
}

void GdbAttachEngine::shutdownEngine()
{
    notifyAdapterShutdownOk();
}

} // namespace Internal
} // namespace Debugger