forked from qt-creator/qt-creator
add new 'RemoteGdbAdapter' to be handled with gdbserver connections
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hjk
249
src/plugins/debugger/gdb/remotegdbadapter.cpp
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249
src/plugins/debugger/gdb/remotegdbadapter.cpp
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/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt 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 Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#include "remotegdbadapter.h"
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#include "debuggeractions.h"
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#include "gdbengine.h"
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#include "procinterrupt.h"
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#include <utils/qtcassert.h>
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#include <coreplugin/icore.h>
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#include <QtCore/QFileInfo>
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#include <QtGui/QMessageBox>
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namespace Debugger {
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namespace Internal {
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#define STRINGIFY_INTERNAL(x) #x
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#define STRINGIFY(x) STRINGIFY_INTERNAL(x)
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#define CB(callback) \
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static_cast<GdbEngine::AdapterCallback>(&RemoteGdbAdapter::callback), \
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STRINGIFY(callback)
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///////////////////////////////////////////////////////////////////////
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//
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// RemoteGdbAdapter
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//
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///////////////////////////////////////////////////////////////////////
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RemoteGdbAdapter::RemoteGdbAdapter(GdbEngine *engine, QObject *parent)
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: AbstractGdbAdapter(engine, parent)
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{
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QTC_ASSERT(state() == AdapterNotRunning, qDebug() << state());
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connect(&m_gdbProc, SIGNAL(error(QProcess::ProcessError)),
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this, SIGNAL(error(QProcess::ProcessError)));
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connect(&m_gdbProc, SIGNAL(readyReadStandardOutput()),
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this, SIGNAL(readyReadStandardOutput()));
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connect(&m_gdbProc, SIGNAL(readyReadStandardError()),
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this, SIGNAL(readyReadStandardError()));
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connect(&m_gdbProc, SIGNAL(started()),
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this, SLOT(handleGdbStarted()));
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connect(&m_gdbProc, SIGNAL(finished(int, QProcess::ExitStatus)),
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this, SLOT(handleGdbFinished(int, QProcess::ExitStatus)));
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}
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void RemoteGdbAdapter::startAdapter(const DebuggerStartParametersPtr &sp)
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{
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QTC_ASSERT(state() == AdapterNotRunning, qDebug() << state());
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setState(AdapterStarting);
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debugMessage(_("TRYING TO START ADAPTER"));
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m_startParameters = sp;
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QStringList gdbArgs;
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gdbArgs.prepend(_("mi"));
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gdbArgs.prepend(_("-i"));
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if (!m_engine->m_outputCollector.listen()) {
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emit adapterStartFailed(tr("Cannot set up communication with child process: %1")
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.arg(m_engine->m_outputCollector.errorString()));
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return;
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}
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gdbArgs.prepend(_("--tty=") + m_engine->m_outputCollector.serverName());
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if (!m_startParameters->workingDir.isEmpty())
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setWorkingDirectory(m_startParameters->workingDir);
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if (!m_startParameters->environment.isEmpty())
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setEnvironment(m_startParameters->environment);
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QString location = theDebuggerStringSetting(GdbLocation);
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//showStatusMessage(tr("Starting Debugger: ") + loc + _c(' ') + gdbArgs.join(_(" ")));
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m_gdbProc.start(location, gdbArgs);
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}
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void RemoteGdbAdapter::handleGdbStarted()
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{
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QTC_ASSERT(state() == AdapterStarting, qDebug() << state());
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setState(AdapterStarted);
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emit adapterStarted();
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}
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void RemoteGdbAdapter::prepareInferior()
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{
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QTC_ASSERT(state() == AdapterStarted, qDebug() << state());
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setState(InferiorPreparing);
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if (!m_startParameters->processArgs.isEmpty())
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m_engine->postCommand(_("-exec-arguments ")
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+ m_startParameters->processArgs.join(_(" ")));
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QFileInfo fi(m_engine->startParameters().executable);
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m_engine->postCommand(_("-file-exec-and-symbols \"%1\"").arg(fi.absoluteFilePath()),
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CB(handleFileExecAndSymbols));
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}
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void RemoteGdbAdapter::handleFileExecAndSymbols(const GdbResultRecord &response, const QVariant &)
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{
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QTC_ASSERT(state() == InferiorPreparing, qDebug() << state());
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if (response.resultClass == GdbResultDone) {
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//m_breakHandler->clearBreakMarkers();
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setState(InferiorPrepared);
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emit inferiorPrepared();
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} else if (response.resultClass == GdbResultError) {
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QString msg = tr("Starting executable failed:\n") +
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__(response.data.findChild("msg").data());
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setState(InferiorPreparationFailed);
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emit inferiorPreparationFailed(msg);
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}
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}
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void RemoteGdbAdapter::startInferior()
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{
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QTC_ASSERT(state() == InferiorPrepared, qDebug() << state());
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setState(InferiorStarting);
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m_engine->postCommand(_("-exec-run"), CB(handleExecRun));
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}
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void RemoteGdbAdapter::handleExecRun(const GdbResultRecord &response, const QVariant &)
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{
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QTC_ASSERT(state() == InferiorStarting, qDebug() << state());
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if (response.resultClass == GdbResultRunning) {
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setState(InferiorStarted);
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emit inferiorStarted();
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} else {
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QTC_ASSERT(response.resultClass == GdbResultError, /**/);
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const QByteArray &msg = response.data.findChild("msg").data();
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//QTC_ASSERT(status() == DebuggerInferiorRunning, /**/);
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//interruptInferior();
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setState(InferiorStartFailed);
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emit inferiorStartFailed(msg);
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}
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}
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void RemoteGdbAdapter::interruptInferior()
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{
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debugMessage(_("TRYING TO INTERUPT INFERIOR"));
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if (m_engine->startMode() == StartRemote) {
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m_engine->postCommand(_("-exec-interrupt"));
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return;
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}
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const qint64 attachedPID = m_engine->inferiorPid();
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if (attachedPID <= 0) {
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debugMessage(_("TRYING TO INTERRUPT INFERIOR BEFORE PID WAS OBTAINED"));
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return;
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}
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if (!interruptProcess(attachedPID))
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debugMessage(_("CANNOT INTERRUPT %1").arg(attachedPID));
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}
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void RemoteGdbAdapter::shutdownAdapter()
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{
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if (state() == InferiorStarted) {
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setState(InferiorShuttingDown);
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m_engine->postCommand(_("kill"), CB(handleKill));
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return;
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}
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if (state() == InferiorShutDown) {
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setState(AdapterShuttingDown);
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m_engine->postCommand(_("-gdb-exit"), CB(handleExit));
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return;
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}
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/*
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if (state() == InferiorShutdownFailed) {
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m_gdbProc.terminate();
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// 20s can easily happen when loading webkit debug information
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m_gdbProc.waitForFinished(20000);
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setState(AdapterShuttingDown);
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debugMessage(_("FORCING TERMINATION: %1")
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.arg(state()));
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if (state() != QProcess::NotRunning) {
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debugMessage(_("PROBLEM STOPPING DEBUGGER: STATE %1")
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.arg(state()));
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m_gdbProc.kill();
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}
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m_engine->postCommand(_("-gdb-exit"), CB(handleExit));
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return;
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}
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*/
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QTC_ASSERT(state() == AdapterNotRunning, qDebug() << state());
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}
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void RemoteGdbAdapter::handleKill(const GdbResultRecord &response, const QVariant &)
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{
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if (response.resultClass == GdbResultDone) {
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setState(InferiorShutDown);
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emit inferiorShutDown();
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shutdownAdapter(); // re-iterate...
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} else if (response.resultClass == GdbResultError) {
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QString msg = tr("Inferior process could not be stopped:\n") +
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__(response.data.findChild("msg").data());
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setState(InferiorShutdownFailed);
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emit inferiorShutdownFailed(msg);
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}
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}
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void RemoteGdbAdapter::handleExit(const GdbResultRecord &response, const QVariant &)
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{
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if (response.resultClass == GdbResultDone) {
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// don't set state here, this will be handled in handleGdbFinished()
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} else if (response.resultClass == GdbResultError) {
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QString msg = tr("Gdb process could not be stopped:\n") +
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__(response.data.findChild("msg").data());
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emit adapterShutdownFailed(msg);
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}
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}
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void RemoteGdbAdapter::handleGdbFinished(int, QProcess::ExitStatus)
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{
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debugMessage(_("GDB PROESS FINISHED"));
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setState(AdapterNotRunning);
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emit adapterShutDown();
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}
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void RemoteGdbAdapter::shutdownInferior()
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{
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m_engine->postCommand(_("kill"));
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}
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} // namespace Internal
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} // namespace Debugger
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