Debugger: Support running GDB over SSH.

Reviewed-by: hjk

src/plugins/debugger/gdb/localplaingdbadapter.cpp

@@ -0,0 +1,139 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 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 "localplaingdbadapter.h"
+
+#include "gdbengine.h"
+#include "procinterrupt.h"
+#include "debuggerstringutils.h"
+
+#include <utils/qtcassert.h>
+
+#include <QtCore/QFileInfo>
+
+namespace Debugger {
+namespace Internal {
+
+///////////////////////////////////////////////////////////////////////
+//
+// PlainGdbAdapter
+//
+///////////////////////////////////////////////////////////////////////
+
+LocalPlainGdbAdapter::LocalPlainGdbAdapter(GdbEngine *engine, QObject *parent)
+    : AbstractPlainGdbAdapter(engine, parent)
+{
+    // Output
+    connect(&m_outputCollector, SIGNAL(byteDelivery(QByteArray)),
+        engine, SLOT(readDebugeeOutput(QByteArray)));
+}
+
+AbstractGdbAdapter::DumperHandling LocalPlainGdbAdapter::dumperHandling() const
+{
+    // LD_PRELOAD fails for System-Qt on Mac.
+#if defined(Q_OS_WIN) || defined(Q_OS_MAC)
+    return DumperLoadedByGdb;
+#else
+    return DumperLoadedByGdbPreload;
+#endif
+}
+
+void LocalPlainGdbAdapter::startAdapter()
+{
+    QTC_ASSERT(state() == EngineStarting, qDebug() << state());
+    setState(AdapterStarting);
+    debugMessage(_("TRYING TO START ADAPTER"));
+
+    QStringList gdbArgs;
+
+    if (!m_outputCollector.listen()) {
+        emit adapterStartFailed(tr("Cannot set up communication with child process: %1")
+                .arg(m_outputCollector.errorString()), QString());
+        return;
+    }
+    gdbArgs.append(_("--tty=") + m_outputCollector.serverName());
+
+    if (!startParameters().workingDir.isEmpty())
+        m_gdbProc.setWorkingDirectory(startParameters().workingDir);
+    if (!startParameters().environment.isEmpty())
+        m_gdbProc.setEnvironment(startParameters().environment);
+
+    if (!m_engine->startGdb(gdbArgs)) {
+        m_outputCollector.shutdown();
+        return;
+    }
+
+    emit adapterStarted();
+}
+
+void LocalPlainGdbAdapter::interruptInferior()
+{
+    const qint64 attachedPID = m_engine->inferiorPid();
+    if (attachedPID <= 0) {
+        debugMessage(_("TRYING TO INTERRUPT INFERIOR BEFORE PID WAS OBTAINED"));
+        return;
+    }
+
+    if (!interruptProcess(attachedPID))
+        debugMessage(_("CANNOT INTERRUPT %1").arg(attachedPID));
+}
+
+void LocalPlainGdbAdapter::shutdown()
+{
+    debugMessage(_("PLAIN ADAPTER SHUTDOWN %1").arg(state()));
+    m_outputCollector.shutdown();
+}
+
+QByteArray LocalPlainGdbAdapter::execFilePath() const
+{
+    return QFileInfo(startParameters().executable)
+            .absoluteFilePath().toLocal8Bit();
+}
+
+bool LocalPlainGdbAdapter::infoTargetNecessary() const
+{
+#ifdef Q_OS_LINUX
+    return true;
+#else
+    return false;
+#endif
+}
+
+QByteArray LocalPlainGdbAdapter::toLocalEncoding(const QString &s) const
+{
+    return s.toLocal8Bit();
+}
+
+QString LocalPlainGdbAdapter::fromLocalEncoding(const QByteArray &b) const
+{
+    return QString::fromLocal8Bit(b);
+}
+
+} // namespace Internal
+} // namespace Debugger