forked from qt-creator/qt-creator
		
	
		
			
				
	
	
		
			300 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			300 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /**************************************************************************
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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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| 
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| #include "remotegdbadapter.h"
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| 
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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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| 
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| #include <utils/qtcassert.h>
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| #include <coreplugin/icore.h>
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| 
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| #include <QtCore/QFileInfo>
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| #include <QtGui/QMessageBox>
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| 
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| namespace Debugger {
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| namespace Internal {
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| 
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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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| //
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| // RemoteGdbAdapter
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| //
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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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|     connect(&m_uploadProc, SIGNAL(error(QProcess::ProcessError)),
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|         this, SLOT(uploadProcError(QProcess::ProcessError)));
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|     connect(&m_uploadProc, SIGNAL(readyReadStandardOutput()),
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|         this, SLOT(readUploadStandardOutput()));
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|     connect(&m_uploadProc, SIGNAL(readyReadStandardError()),
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|         this, SLOT(readUploadStandardError()));
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| }
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| 
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| void RemoteGdbAdapter::startAdapter()
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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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| 
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|     QStringList gdbArgs;
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|     gdbArgs.prepend(_("mi"));
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|     gdbArgs.prepend(_("-i"));
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| 
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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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| 
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|     if (!startParameters().workingDir.isEmpty())
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|         setWorkingDirectory(startParameters().workingDir);
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|     if (!startParameters().environment.isEmpty())
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|         setEnvironment(startParameters().environment);
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| 
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|     QString location = theDebuggerStringSetting(GdbLocation);
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| 
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| /*  
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|     // FIXME: make asynchroneouis
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|     // Start the remote server
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|     if (startParameters().serverStartScript.isEmpty()) {
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|         showStatusMessage(_("No server start script given. "
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|             "Assuming server runs already."));
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|     } else {
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|         if (!startParameters().workingDir.isEmpty())
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|             m_uploadProc.setWorkingDirectory(startParameters().workingDir);
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|         if (!startParameters().environment.isEmpty())
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|             m_uploadProc.setEnvironment(startParameters().environment);
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|         m_uploadProc.start(_("/bin/sh ") + startParameters().serverStartScript);
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|         m_uploadProc.waitForStarted();
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|     }
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| */
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| 
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|     // Start the debugger
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|     m_gdbProc.start(location, gdbArgs);
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| }
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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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| 
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| void RemoteGdbAdapter::uploadProcError(QProcess::ProcessError error)
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| {
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|     QString msg;
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|     switch (error) {
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|         case QProcess::FailedToStart:
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|             msg = tr("The upload process failed to start. Either the "
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|                 "invoked script '%1' is missing, or you may have insufficient "
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|                 "permissions to invoke the program.")
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|                 .arg(theDebuggerStringSetting(GdbLocation));
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|             break;
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|         case QProcess::Crashed:
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|             msg = tr("The upload process crashed some time after starting "
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|                 "successfully.");
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|             break;
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|         case QProcess::Timedout:
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|             msg = tr("The last waitFor...() function timed out. "
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|                 "The state of QProcess is unchanged, and you can try calling "
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|                 "waitFor...() again.");
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|             break;
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|         case QProcess::WriteError:
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|             msg = tr("An error occurred when attempting to write "
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|                 "to the upload process. For example, the process may not be running, "
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|                 "or it may have closed its input channel.");
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|             break;
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|         case QProcess::ReadError:
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|             msg = tr("An error occurred when attempting to read from "
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|                 "the upload process. For example, the process may not be running.");
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|             break;
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|         default:
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|             msg = tr("An unknown error in the upload process occurred. "
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|                 "This is the default return value of error().");
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|     }
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| 
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|     m_engine->showStatusMessage(msg);
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|     QMessageBox::critical(m_engine->mainWindow(), tr("Error"), msg);
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| }
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| 
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| void RemoteGdbAdapter::readUploadStandardOutput()
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| {
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|     QByteArray ba = m_uploadProc.readAllStandardOutput();
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|     m_engine->gdbOutputAvailable(LogOutput, QString::fromLocal8Bit(ba, ba.length()));
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| }
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| 
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| void RemoteGdbAdapter::readUploadStandardError()
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| {
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|     QByteArray ba = m_uploadProc.readAllStandardError();
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|     m_engine->gdbOutputAvailable(LogError, QString::fromLocal8Bit(ba, ba.length()));
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| }
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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 (!startParameters().processArgs.isEmpty())
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|         m_engine->postCommand(_("-exec-arguments ")
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|             + 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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| void RemoteGdbAdapter::shutdown()
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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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| 
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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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|     // FIXME: handle other states, too.
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|     QTC_ASSERT(state() == AdapterNotRunning, qDebug() << state());
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| }
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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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|         shutdown(); // 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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| 
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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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| 
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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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| 
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| } // namespace Internal
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| } // namespace Debugger
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