Debugger: Support running GDB over SSH.

Reviewed-by: hjk
2010-05-05 12:49:08 +02:00
parent a945e96377
commit ef7c5fae60
32 changed files with 1311 additions and 200 deletions
--- a/src/plugins/debugger/gdb/abstractplaingdbadapter.cpp
+++ b/src/plugins/debugger/gdb/abstractplaingdbadapter.cpp
@@ -0,0 +1,130 @@
+/**************************************************************************
+**
+** 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 "abstractplaingdbadapter.h"
+
+#include "debuggeractions.h"
+#include "debuggerstringutils.h"
+
+#include <utils/qtcassert.h>
+
+namespace Debugger {
+namespace Internal {
+
+#define CB(callback) \
+    static_cast<GdbEngine::AdapterCallback>(&AbstractPlainGdbAdapter::callback), \
+    STRINGIFY(callback)
+
+AbstractPlainGdbAdapter::AbstractPlainGdbAdapter(GdbEngine *engine,
+                                                 QObject *parent)
+    : AbstractGdbAdapter(engine, parent)
+{
+}
+
+
+void AbstractPlainGdbAdapter::startInferior()
+{
+    QTC_ASSERT(state() == InferiorStarting, qDebug() << state());
+    if (!startParameters().processArgs.isEmpty()) {
+        QString args = startParameters().processArgs.join(_(" "));
+        m_engine->postCommand("-exec-arguments " + toLocalEncoding(args));
+    }
+    m_engine->postCommand("-file-exec-and-symbols \"" + execFilePath() + '"',
+        CB(handleFileExecAndSymbols));
+}
+
+void AbstractPlainGdbAdapter::handleFileExecAndSymbols(const GdbResponse &response)
+{
+    QTC_ASSERT(state() == InferiorStarting, qDebug() << state());
+    if (response.resultClass == GdbResultDone) {
+        if (infoTargetNecessary()) {
+            // Old gdbs do not announce the PID for programs without pthreads.
+            // Note that successfully preloading the debugging helpers will
+            // automatically load pthreads, so this will be unnecessary.
+            if (m_engine->m_gdbVersion < 70000)
+                m_engine->postCommand("info target", CB(handleInfoTarget));
+        }
+        emit inferiorPrepared();
+    } else {
+        QByteArray ba = response.data.findChild("msg").data();
+        QString msg = fromLocalEncoding(ba);
+        // Extend the message a bit in unknown cases.
+        if (!ba.endsWith("File format not recognized"))
+            msg = tr("Starting executable failed:\n") + msg;
+        emit inferiorStartFailed(msg);
+    }
+}
+
+void AbstractPlainGdbAdapter::startInferiorPhase2()
+{
+    setState(InferiorRunningRequested);
+    m_engine->postCommand("-exec-run", GdbEngine::RunRequest, CB(handleExecRun));
+}
+
+void AbstractPlainGdbAdapter::handleExecRun(const GdbResponse &response)
+{
+    if (response.resultClass == GdbResultRunning) {
+        QTC_ASSERT(state() == InferiorRunning, qDebug() << state());
+        debugMessage(_("INFERIOR STARTED"));
+        showStatusMessage(msgInferiorStarted());
+        // FIXME: That's the wrong place for it.
+        if (theDebuggerBoolSetting(EnableReverseDebugging))
+            m_engine->postCommand("target record");
+    } else {
+        QTC_ASSERT(state() == InferiorRunningRequested, qDebug() << state());
+        QString msg = fromLocalEncoding(response.data.findChild("msg").data());
+        //QTC_ASSERT(status() == InferiorRunning, /**/);
+        //interruptInferior();
+        emit inferiorStartFailed(msg);
+    }
+}
+
+void AbstractPlainGdbAdapter::handleInfoTarget(const GdbResponse &response)
+{
+    if (response.resultClass == GdbResultDone) {
+        // [some leading stdout here]
+        // >&"        Entry point: 0x80831f0  0x08048134 - 0x08048147 is .interp\n"
+        // [some trailing stdout here]
+        QString msg = _(response.data.findChild("consolestreamoutput").data());
+        QRegExp needle(_("\\bEntry point: 0x([0-9a-f]+)\\b"));
+        if (needle.indexIn(msg) != -1) {
+            m_engine->m_entryPoint =
+                    "0x" + needle.cap(1).toLatin1().rightJustified(sizeof(void *) * 2, '0');
+            m_engine->postCommand("tbreak *0x" + needle.cap(1).toAscii());
+            // Do nothing here - inferiorPrepared handles the sequencing.
+        } else {
+            emit inferiorStartFailed(_("Parsing start address failed"));
+        }
+    } else if (response.resultClass == GdbResultError) {
+        emit inferiorStartFailed(_("Fetching start address failed"));
+    }
+}
+
+} // namespace Debugger
+} // namespace Internal