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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#include "termgdbadapter.h"
#include "gdbengine.h"
#include "procinterrupt.h"
#include "debuggerstringutils.h"
#include <utils/qtcassert.h>
#include <coreplugin/icore.h>
#include <QtGui/QMessageBox>
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(processError(QString)), SLOT(stubError(QString)));
connect(&m_stubProc, SIGNAL(processStarted()), SLOT(handleInferiorStarted()));
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() == EngineStarting, qDebug() << state());
setState(AdapterStarting);
debugMessage(_("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);
m_stubProc.setWorkingDirectory(startParameters().workingDir);
// Set environment + dumper preload.
QStringList environment = startParameters().environment;
if (dumperHandling() == DumperLoadedByAdapter
&& m_engine->checkDebuggingHelpers()) {
QString var = QLatin1String(Debugger::Constants::Internal::LD_PRELOAD_ENV_VAR);
var += QLatin1Char('=');
var += m_engine->qtDumperLibraryName();
environment.push_back(var);
m_engine->setDebuggingHelperStateClassic(DebuggingHelperLoadTried);
}
m_stubProc.setEnvironment(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.
emit adapterStartFailed(QString(), QString());
return;
}
if (!m_engine->startGdb()) {
m_stubProc.stop();
return;
}
}
void TermGdbAdapter::handleInferiorStarted()
{
QTC_ASSERT(state() == AdapterStarting, qDebug() << state());
emit adapterStarted();
}
void TermGdbAdapter::startInferior()
{
QTC_ASSERT(state() == InferiorStarting, qDebug() << state());
const qint64 attachedPID = m_stubProc.applicationPID();
m_engine->handleInferiorPidChanged(attachedPID);
m_engine->postCommand("attach " + QByteArray::number(attachedPID),
CB(handleStubAttached));
}
void TermGdbAdapter::handleStubAttached(const GdbResponse &response)
{
QTC_ASSERT(state() == InferiorStarting, qDebug() << state());
if (response.resultClass == GdbResultDone) {
setState(InferiorStopped);
debugMessage(_("INFERIOR ATTACHED"));
emit inferiorPrepared();
#ifdef Q_OS_LINUX
m_engine->postCommand("-stack-list-frames 0 0", CB(handleEntryPoint));
#endif
} else if (response.resultClass == GdbResultError) {
QString msg = QString::fromLocal8Bit(response.data.findChild("msg").data());
emit inferiorStartFailed(msg);
}
}
void TermGdbAdapter::startInferiorPhase2()
{
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))
debugMessage(_("CANNOT INTERRUPT %1").arg(attachedPID));
}
void TermGdbAdapter::stubError(const QString &msg)
{
showMessageBox(QMessageBox::Critical, tr("Debugger Error"), msg);
}
void TermGdbAdapter::stubExited()
{
debugMessage(_("STUB EXITED"));
if (state() != AdapterStarting // From previous instance
&& state() != EngineShuttingDown && state() != DebuggerNotReady)
emit adapterCrashed(QString());
}
} // namespace Internal
} // namespace Debugger
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