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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 "coregdbadapter.h"
#include "debuggerstartparameters.h"
#include "debuggercore.h"
#include "debuggeractions.h"
#include "debuggerstringutils.h"
#include "gdbmi.h"
#include "gdbengine.h"
#include <utils/qtcassert.h>
#include <QtCore/QDir>
#include <QtCore/QFileInfo>
#include <QtGui/QMessageBox>
namespace Debugger {
namespace Internal {
#define CB(callback) \
static_cast<GdbEngine::AdapterCallback>(&CoreGdbAdapter::callback), \
STRINGIFY(callback)
///////////////////////////////////////////////////////////////////////
//
// CoreGdbAdapter
//
///////////////////////////////////////////////////////////////////////
static QByteArray coreName(const DebuggerStartParameters &sp)
{
QFileInfo fi(sp.coreFile);
return fi.absoluteFilePath().toLocal8Bit();
}
CoreGdbAdapter::CoreGdbAdapter(GdbEngine *engine, QObject *parent)
: AbstractGdbAdapter(engine, parent),
m_executable(startParameters().executable),
m_coreName(coreName(startParameters()))
{}
void CoreGdbAdapter::startAdapter()
{
QTC_ASSERT(state() == EngineSetupRequested, qDebug() << state());
showMessage(_("TRYING TO START ADAPTER"));
QStringList args;
args.append(_("-ex"));
args.append(_("set auto-solib-add off"));
if (!m_engine->startGdb(args, QString()))
return;
//if (m_executable.isEmpty()) {
// showMessageBox(QMessageBox::Warning,
// tr("Error Loading Symbols"),
// tr("No executable to load symbols from specified."));
//}
#ifdef Q_OS_LINUX
const bool canUseExeFromCore = true;
#else
const bool canUseExeFromCore = false;
#endif
if (!m_executable.isEmpty()) {
m_engine->notifyEngineSetupOk();
} else if (canUseExeFromCore) {
// Extra round trip to get executable name from core file.
// This is sometimes not the full name, so it can't be used
// as the generic solution.
// Quoting core name below fails in gdb 6.8-debian.
m_engine->postCommand("target core " + m_coreName,
CB(handleTemporaryTargetCore));
} else {
QString msg = tr("The name of the binary file cannot be extracted "
"from this core file.");
msg += _(" ");
msg += tr("Try to specify the binary using the "
"<i>Debug->Start Debugging->Attach to Core</i> dialog.");
showMessageBox(QMessageBox::Warning,
tr("Loading core file failed"), msg);
m_engine->notifyEngineSetupFailed();
}
}
void CoreGdbAdapter::handleTemporaryTargetCore(const GdbResponse &response)
{
QTC_ASSERT(state() == EngineSetupRequested, qDebug() << state());
if (response.resultClass != GdbResultDone) {
showMessage(tr("Attach to core failed."), StatusBar);
m_engine->notifyEngineSetupFailed();
return;
}
GdbMi console = response.data.findChild("consolestreamoutput");
int pos1 = console.data().indexOf('`');
int pos2 = console.data().indexOf('\'');
if (pos1 == -1 || pos2 == -1) {
showMessage(tr("Attach to core failed."), StatusBar);
m_engine->notifyEngineSetupFailed();
return;
}
m_executable = console.data().mid(pos1 + 1, pos2 - pos1 - 1);
// Strip off command line arguments. FIXME: make robust.
int idx = m_executable.indexOf(_c(' '));
if (idx >= 0)
m_executable.truncate(idx);
if (m_executable.isEmpty()) {
m_engine->postCommand("detach");
m_engine->notifyEngineSetupFailed();
return;
}
m_executable = QFileInfo(startParameters().coreFile).absoluteDir()
.absoluteFilePath(m_executable);
showMessage(tr("Attached to core temporarily."), StatusBar);
m_engine->postCommand("detach", CB(handleTemporaryDetach));
}
void CoreGdbAdapter::handleTemporaryDetach(const GdbResponse &response)
{
QTC_ASSERT(state() == EngineSetupRequested, qDebug() << state());
if (response.resultClass == GdbResultDone) {
m_engine->notifyEngineSetupOk();
} else {
m_engine->notifyEngineSetupFailed();
}
}
void CoreGdbAdapter::setupInferior()
{
QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());
// Do that first, otherwise no symbols are loaded.
QFileInfo fi(m_executable);
QByteArray path = fi.absoluteFilePath().toLocal8Bit();
m_engine->postCommand("-file-exec-and-symbols \"" + path + '"',
CB(handleFileExecAndSymbols));
}
void CoreGdbAdapter::handleFileExecAndSymbols(const GdbResponse &response)
{
QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());
if (response.resultClass == GdbResultDone) {
showMessage(tr("Symbols found."), StatusBar);
m_engine->postCommand("target core " + m_coreName,
CB(handleTargetCore));
return;
}
QString msg = tr("No symbols found in core file <i>%1</i>.")
.arg(startParameters().coreFile);
msg += _(" ");
msg += tr("This can be caused by a path length limitation in the "
"core file.");
msg += _(" ");
msg += tr("Try to specify the binary using the "
"<i>Debug->Start Debugging->Attach to Core</i> dialog.");
m_engine->notifyInferiorSetupFailed(msg);
}
void CoreGdbAdapter::handleTargetCore(const GdbResponse &response)
{
QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());
if (response.resultClass == GdbResultDone) {
// HACK: The namespace is not accessible in the initial run.
m_engine->loadPythonDumpers();
showMessage(tr("Attached to core."), StatusBar);
m_engine->handleInferiorPrepared();
// Due to the auto-solib-add off setting, we don't have any
// symbols yet. Load them in order of importance.
m_engine->reloadStack(true);
m_engine->postCommand("info shared", CB(handleModulesList));
return;
}
QString msg = tr("Attach to core \"%1\" failed:\n")
.arg(startParameters().coreFile)
+ QString::fromLocal8Bit(response.data.findChild("msg").data());
m_engine->notifyInferiorSetupFailed(msg);
}
void CoreGdbAdapter::handleModulesList(const GdbResponse &response)
{
m_engine->handleModulesList(response);
loadSymbolsForStack();
}
void CoreGdbAdapter::loadSymbolsForStack()
{
m_engine->loadSymbolsForStack();
QTimer::singleShot(1000, this, SLOT(loadAllSymbols()));
}
void CoreGdbAdapter::loadAllSymbols()
{
m_engine->loadAllSymbols();
}
void CoreGdbAdapter::runEngine()
{
QTC_ASSERT(state() == EngineRunRequested, qDebug() << state());
m_engine->notifyInferiorUnrunnable();
m_engine->updateAll();
}
void CoreGdbAdapter::interruptInferior()
{
// A core never runs, so this cannot be called.
QTC_ASSERT(false, /**/);
}
void CoreGdbAdapter::shutdownInferior()
{
m_engine->notifyInferiorShutdownOk();
}
void CoreGdbAdapter::shutdownAdapter()
{
m_engine->notifyAdapterShutdownOk();
}
} // namespace Internal
} // namespace Debugger
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