Experimental lldb engine host

src/plugins/debugger/debugger.pro

@@ -123,6 +123,7 @@ include(cdb/cdb.pri)
 include(gdb/gdb.pri)
 include(script/script.pri)
 include(pdb/pdb.pri)
+include(lldb/lldbhost.pri)
 
 contains(QT_CONFIG, declarative) {
     QT += declarative

src/plugins/debugger/debuggerconstants.h

@@ -208,7 +208,8 @@ enum DebuggerEngineType
     PdbEngineType     = 0x08,
     TcfEngineType     = 0x10,
     QmlEngineType     = 0x20,
-    QmlCppEngineType     = 0x40,
+    QmlCppEngineType  = 0x40,
+    LLDBEngineType  = 0x80,
     AllEngineTypes = GdbEngineType
         | ScriptEngineType
         | CdbEngineType
@@ -216,6 +217,7 @@ enum DebuggerEngineType
         | TcfEngineType
         | QmlEngineType
         | QmlCppEngineType
+        | LLDBEngineType
 };
 
 enum DebuggerLanguage

src/plugins/debugger/debuggerrunner.cpp

@@ -39,6 +39,7 @@
 #include "gdb/remoteplaingdbadapter.h"
 #include "qml/qmlengine.h"
 #include "qml/qmlcppengine.h"
+#include "lldb/lldbenginehost.h"
 
 #ifdef Q_OS_WIN
 #  include "peutils.h"
@@ -72,6 +73,7 @@ DebuggerEngine *createPdbEngine(const DebuggerStartParameters &);
 DebuggerEngine *createTcfEngine(const DebuggerStartParameters &);
 DebuggerEngine *createQmlEngine(const DebuggerStartParameters &);
 DebuggerEngine *createQmlCppEngine(const DebuggerStartParameters &);
+DebuggerEngine *createLLDBEngine(const DebuggerStartParameters &);
 
 bool checkGdbConfiguration(int toolChain, QString *errorMsg, QString *settingsPage);
 
@@ -429,6 +431,9 @@ void DebuggerRunControl::createEngine(const DebuggerStartParameters &startParams
     if (sp.processArgs.size() >= 5 && sp.processArgs.at(0) == _("@tcf@"))
         engineType = GdbEngineType;
 
+    if (sp.processArgs.contains( _("@lldb@")))
+        engineType = LLDBEngineType;
+
     if (engineType == NoEngineType
             && sp.startMode != AttachToRemote
             && !sp.executable.isEmpty())
@@ -477,6 +482,8 @@ void DebuggerRunControl::createEngine(const DebuggerStartParameters &startParams
             if (Internal::GdbEngine *embeddedGdbEngine = gdbEngine())
                 initGdbEngine(embeddedGdbEngine);
             break;
+        case LLDBEngineType:
+            d->m_engine = Internal::createLLDBEngine(sp);
        case NoEngineType:
        case AllEngineTypes:
             break;

src/plugins/debugger/lldb/ipcengineguest.cpp

+/**************************************************************************
+**
+** 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 "ipcengineguest.h"
+#include "ipcenginehost.h"
+#include "breakpoint.h"
+#include "stackframe.h"
+#include "threaddata.h"
+#include "debuggerstreamops.h"
+
+#include <QSysInfo>
+#include <QDebug>
+#include <QFileInfo>
+#include <QTimer>
+#include <utils/qtcassert.h>
+
+#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN
+#define SET_NATIVE_BYTE_ORDER(x) x.setByteOrder(QDataStream::LittleEndian)
+#else
+#define SET_NATIVE_BYTE_ORDER(x) x.setByteOrder(QDataStream::BigEndian)
+#endif
+
+namespace Debugger {
+namespace Internal {
+
+IPCEngineGuest::IPCEngineGuest()
+    : QObject()
+    , m_local_host(0)
+    , m_nextMessagePayloadSize(0)
+    , m_cookie(1)
+    , m_device(0)
+{
+}
+
+IPCEngineGuest::~IPCEngineGuest()
+{
+}
+
+void IPCEngineGuest::setLocalHost(IPCEngineHost * h)
+{
+    m_local_host = h;
+}
+
+void IPCEngineGuest::setHostDevice(QIODevice * d)
+{
+    if (m_device) {
+        disconnect(m_device, SIGNAL(readyRead()), this, SLOT(readyRead()));
+        delete m_device;
+    }
+    m_device = d;
+    if (m_device)
+        connect(m_device, SIGNAL(readyRead()), this, SLOT(readyRead()));
+}
+
+void IPCEngineGuest::rpcCall(IPCEngineGuest::Function f, QByteArray payload )
+{
+#if 0
+    if (m_local_host) {
+        QMetaObject::invokeMethod(m_local_host,
+                "rpcCallback",
+                Qt::QueuedConnection,
+                Q_ARG(quint64, f),
+                Q_ARG(QByteArray, payload));
+    } else
+#endif
+    if (m_device) {
+        {
+            QDataStream s(m_device);
+            SET_NATIVE_BYTE_ORDER(s);
+            s << m_cookie++;
+            s << (quint64) f;
+            s << (quint64) payload.size();
+        }
+        m_device->write(payload);
+        m_device->putChar('T');
+    }
+}
+
+void IPCEngineGuest::readyRead()
+{
+    if (!m_nextMessagePayloadSize) {
+        if (quint64(m_device->bytesAvailable()) < (sizeof(quint64) * 3))
+            return;
+        QDataStream s(m_device);
+        SET_NATIVE_BYTE_ORDER(s);
+        s >> m_nextMessageCookie;
+        s >> m_nextMessageFunction;
+        s >> m_nextMessagePayloadSize;
+        m_nextMessagePayloadSize += 1; // terminator and "got header" marker
+    }
+
+    quint64 ba = m_device->bytesAvailable();
+    if (ba < m_nextMessagePayloadSize)
+        return;
+
+    qint64 rrr = (m_nextMessagePayloadSize);
+    QByteArray payload = m_device->read(rrr);
+    if (quint64(payload.size()) != m_nextMessagePayloadSize || !payload.endsWith('T')) {
+        showMessage(QLatin1String("IPC Error: corrupted frame"));
+        showMessage(tr("Fatal engine shutdown. Incompatible binary or ipc error."), LogError);
+        showStatusMessage(tr("Fatal engine shutdown. Incompatible binary or ipc error."));
+        notifyEngineIll();
+        return;
+    }
+    payload.chop(1);
+    rpcCallback(m_nextMessageFunction, payload);
+    m_nextMessagePayloadSize = 0;
+
+    if (quint64(m_device->bytesAvailable ()) >= (sizeof(quint64) * 3))
+        QTimer::singleShot(0, this, SLOT(readyRead()));
+}
+
+void IPCEngineGuest::rpcCallback(quint64 f, QByteArray payload )
+{
+    switch (f) {
+        default:
+            showMessage(QLatin1String("IPC Error: unhandled id in host to guest call"));
+            showMessage(tr("Fatal engine shutdown. Incompatible binary or ipc error."), LogError);
+            showStatusMessage(tr("Fatal engine shutdown. Incompatible binary or ipc error."));
+            notifyEngineIll();
+            break;
+        case IPCEngineHost::SetupIPC:
+            {
+                QDataStream s(payload);
+                SET_NATIVE_BYTE_ORDER(s);
+                int version;
+                s >> version;
+                Q_ASSERT(version == 1);
+            }
+            break;
+        case IPCEngineHost::StateChanged:
+            {
+                QDataStream s(payload);
+                SET_NATIVE_BYTE_ORDER(s);
+                quint64 st;
+                s >> st;
+                m_state = (DebuggerState)st;
+            }
+            break;
+        case IPCEngineHost::SetupEngine:
+            setupEngine();
+            break;
+        case IPCEngineHost::SetupInferior:
+            {
+                QDataStream s(payload);
+                SET_NATIVE_BYTE_ORDER(s);
+                QString executable;
+                QStringList arguments;
+                QStringList environment;
+                s >> executable;
+                s >> arguments;
+                s >> environment;
+                setupInferior(executable, arguments, environment);
+            }
+            break;
+        case IPCEngineHost::RunEngine:
+            runEngine();
+            break;
+        case IPCEngineHost::ShutdownInferior:
+            shutdownInferior();
+            break;
+        case IPCEngineHost::ShutdownEngine:
+            shutdownEngine();
+            break;
+        case IPCEngineHost::DetachDebugger:
+            detachDebugger();
+            break;
+        case IPCEngineHost::ExecuteStep:
+            executeStep();
+            break;
+        case IPCEngineHost::ExecuteStepOut:
+            executeStepOut();
+            break;
+        case IPCEngineHost::ExecuteNext:
+            executeNext();
+            break;
+        case IPCEngineHost::ExecuteStepI:
+            executeStepI();
+            break;
+        case IPCEngineHost::ExecuteNextI:
+            executeNextI();
+            break;
+        case IPCEngineHost::ContinueInferior:
+            continueInferior();
+            break;
+        case IPCEngineHost::InterruptInferior:
+            interruptInferior();
+            break;
+        case IPCEngineHost::ExecuteRunToLine:
+            {
+                QDataStream s(payload);
+                SET_NATIVE_BYTE_ORDER(s);
+                QString fileName;
+                quint64 lineNumber;
+                s >> fileName;
+                s >> lineNumber;
+                executeRunToLine(fileName, lineNumber);
+            }
+            break;
+        case IPCEngineHost::ExecuteRunToFunction:
+            {
+                QDataStream s(payload);
+                SET_NATIVE_BYTE_ORDER(s);
+                QString functionName;
+                s >> functionName;
+                executeRunToFunction(functionName);
+            }
+            break;
+        case IPCEngineHost::ExecuteJumpToLine:
+            {
+                QDataStream s(payload);
+                SET_NATIVE_BYTE_ORDER(s);
+                QString fileName;
+                quint64 lineNumber;
+                s >> fileName;
+                s >> lineNumber;
+                executeJumpToLine(fileName, lineNumber);
+            }
+            break;
+        case IPCEngineHost::ActivateFrame:
+            {
+                QDataStream s(payload);
+                SET_NATIVE_BYTE_ORDER(s);
+                quint64 id;
+                s >> id;
+                activateFrame(id);
+            }
+            break;
+        case IPCEngineHost::SelectThread:
+            {
+                QDataStream s(payload);
+                SET_NATIVE_BYTE_ORDER(s);
+                quint64 id;
+                s >> id;
+                selectThread(id);
+            }
+            break;
+        case IPCEngineHost::Disassemble:
+            {
+                QDataStream s(payload);
+                SET_NATIVE_BYTE_ORDER(s);
+                quint64 pc;
+                s >> pc;
+                disassemble(pc);
+            }
+            break;
+        case IPCEngineHost::AddBreakpoint:
+            {
+                QDataStream s(payload);
+                SET_NATIVE_BYTE_ORDER(s);
+                BreakpointData d;
+                s >> d;
+                addBreakpoint(d);
+            }
+            break;
+        case IPCEngineHost::RemoveBreakpoint:
+            {
+                QDataStream s(payload);
+                SET_NATIVE_BYTE_ORDER(s);
+                quint64 token;
+                s >> token;
+                removeBreakpoint(token);
+            }
+            break;
+        case IPCEngineHost::ChangeBreakpoint:
+            {
+                QDataStream s(payload);
+                SET_NATIVE_BYTE_ORDER(s);
+                BreakpointData d;
+                s >> d;
+                changeBreakpoint(d);
+            }
+            break;
+        case IPCEngineHost::RequestUpdateWatchData:
+            {
+                QDataStream s(payload);
+                SET_NATIVE_BYTE_ORDER(s);
+                WatchData data;
+                s >> data;
+                requestUpdateWatchData(data);
+            }
+            break;
+    };
+}
+
+DebuggerState IPCEngineGuest::state() const
+{
+    return m_state;
+}
+
+void IPCEngineGuest::notifyEngineSetupOk()
+{
+    rpcCall(NotifyEngineSetupOk);
+}
+
+void IPCEngineGuest::notifyEngineSetupFailed()
+{
+    rpcCall(NotifyEngineSetupFailed);
+}
+
+void IPCEngineGuest::notifyEngineRunFailed()
+{
+    rpcCall(NotifyEngineRunFailed);
+}
+
+void IPCEngineGuest::notifyInferiorSetupOk()
+{
+    rpcCall(NotifyInferiorSetupOk);
+}
+
+void IPCEngineGuest::notifyInferiorSetupFailed()
+{
+    rpcCall(NotifyInferiorSetupFailed);
+}
+
+void IPCEngineGuest::notifyEngineRunAndInferiorRunOk()
+{
+    rpcCall(NotifyEngineRunAndInferiorRunOk);
+}
+
+void IPCEngineGuest::notifyEngineRunAndInferiorStopOk()
+{
+    rpcCall(NotifyEngineRunAndInferiorStopOk);
+}
+
+void IPCEngineGuest::notifyInferiorRunRequested()
+{
+    rpcCall(NotifyInferiorRunRequested);
+}
+
+void IPCEngineGuest::notifyInferiorRunOk()
+{
+    rpcCall(NotifyInferiorRunOk);
+}
+
+void IPCEngineGuest::notifyInferiorRunFailed()
+{
+    rpcCall(NotifyInferiorRunFailed);
+}
+
+void IPCEngineGuest::notifyInferiorStopOk()
+{
+    rpcCall(NotifyInferiorStopOk);
+}
+
+void IPCEngineGuest::notifyInferiorSpontaneousStop()
+{
+    rpcCall(NotifyInferiorSpontaneousStop);
+}
+
+void IPCEngineGuest::notifyInferiorStopFailed()
+{
+    rpcCall(NotifyInferiorStopFailed);
+}
+
+void IPCEngineGuest::notifyInferiorExited()
+{
+    rpcCall(NotifyInferiorExited);
+}
+
+void IPCEngineGuest::notifyInferiorShutdownOk()
+{
+    rpcCall(NotifyInferiorShutdownOk);
+}
+
+void IPCEngineGuest::notifyInferiorShutdownFailed()
+{
+    rpcCall(NotifyInferiorShutdownFailed);
+}
+
+void IPCEngineGuest::notifyEngineSpontaneousShutdown()
+{
+    rpcCall(NotifyEngineSpontaneousShutdown);
+}
+
+void IPCEngineGuest::notifyEngineShutdownOk()
+{
+    rpcCall(NotifyEngineShutdownOk);
+}
+
+void IPCEngineGuest::notifyEngineShutdownFailed()
+{
+    rpcCall(NotifyEngineShutdownFailed);
+}
+
+void IPCEngineGuest::notifyInferiorIll()
+{
+    rpcCall(NotifyInferiorIll);
+}
+
+void IPCEngineGuest::notifyEngineIll()
+{
+    rpcCall(NotifyEngineIll);
+}
+
+void IPCEngineGuest::notifyInferiorPid(qint64 pid)
+{
+    QByteArray p;
+    {
+        QDataStream s(&p, QIODevice::WriteOnly);
+        SET_NATIVE_BYTE_ORDER(s);
+        s << pid;
+    }
+    rpcCall(NotifyInferiorPid, p);
+}
+
+void IPCEngineGuest::showStatusMessage(const QString &msg, quint64 timeout)
+{
+    QByteArray p;
+    {
+        QDataStream s(&p, QIODevice::WriteOnly);
+        SET_NATIVE_BYTE_ORDER(s);
+        s << msg;
+        s << (qint64)timeout;
+    }
+    rpcCall(ShowStatusMessage, p);
+}
+
+void IPCEngineGuest::showMessage(const QString &msg, quint16 channel, quint64 timeout)
+{
+    QByteArray p;
+    {
+        QDataStream s(&p, QIODevice::WriteOnly);
+        SET_NATIVE_BYTE_ORDER(s);
+        s << msg;
+        s << (qint64)channel;
+        s << (qint64)timeout;
+    }
+    rpcCall(ShowMessage, p);
+}
+
+void IPCEngineGuest::currentFrameChanged(qint64 osid)
+{
+    QByteArray p;
+    {
+        QDataStream s(&p, QIODevice::WriteOnly);
+        SET_NATIVE_BYTE_ORDER(s);
+        s << osid;
+    }
+    rpcCall(CurrentFrameChanged, p);
+}
+
+void IPCEngineGuest::currentThreadChanged(qint64 osid)
+{
+    QByteArray p;
+    {
+        QDataStream s(&p, QIODevice::WriteOnly);
+        SET_NATIVE_BYTE_ORDER(s);
+        s << osid;
+    }
+    rpcCall(CurrentThreadChanged, p);
+}
+
+void IPCEngineGuest::listFrames(const StackFrames &frames)
+{
+    QByteArray p;
+    {
+        QDataStream s(&p, QIODevice::WriteOnly);
+        SET_NATIVE_BYTE_ORDER(s);
+        s << frames;
+    }
+    rpcCall(ListFrames, p);
+}
+
+void IPCEngineGuest::listThreads(const Threads &threads)
+{
+    QByteArray p;
+    {
+        QDataStream s(&p, QIODevice::WriteOnly);
+        SET_NATIVE_BYTE_ORDER(s);
+        s << threads;
+    }
+    rpcCall(ListThreads, p);
+}
+
+void IPCEngineGuest::disassembled(quint64 pc, const QString &da)
+{
+    QByteArray p;
+    {
+        QDataStream s(&p, QIODevice::WriteOnly);
+        SET_NATIVE_BYTE_ORDER(s);
+        s << pc;
+        s << da;
+    }
+    rpcCall(Disassembled, p);
+}
+
+void IPCEngineGuest::notifyAddBreakpointOk(quint64 id)
+{
+    QByteArray p;
+    {
+        QDataStream s(&p, QIODevice::WriteOnly);
+        SET_NATIVE_BYTE_ORDER(s);
+        s << id;
+    }
+    rpcCall(NotifyAddBreakpointOk, p);
+}
+
+void IPCEngineGuest::notifyAddBreakpointFailed(quint64 id)
+{
+    QByteArray p;
+    {
+        QDataStream s(&p, QIODevice::WriteOnly);
+        SET_NATIVE_BYTE_ORDER(s);
+        s << id;
+    }
+    rpcCall(NotifyAddBreakpointFailed, p);
+}
+
+void IPCEngineGuest::notifyRemoveBreakpointOk(quint64 id)
+{
+    QByteArray p;
+    {
+        QDataStream s(&p, QIODevice::WriteOnly);
+        SET_NATIVE_BYTE_ORDER(s);
+        s << id;
+    }
+    rpcCall(NotifyRemoveBreakpointOk, p);
+}
+
+void IPCEngineGuest::notifyRemoveBreakpointFailed(quint64 id)
+{
+    QByteArray p;
+    {
+        QDataStream s(&p</