forked from qt-creator/qt-creator
292 lines
10 KiB
C++
292 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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#include "plaingdbadapter.h"
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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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#include <utils/qtcassert.h>
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#include <coreplugin/icore.h>
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#include <QtCore/QFileInfo>
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#include <QtGui/QMessageBox>
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namespace Debugger {
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namespace Internal {
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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>(&PlainGdbAdapter::callback), \
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STRINGIFY(callback)
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///////////////////////////////////////////////////////////////////////
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//
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// PlainGdbAdapter
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//
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///////////////////////////////////////////////////////////////////////
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PlainGdbAdapter::PlainGdbAdapter(GdbEngine *engine, QObject *parent)
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: AbstractGdbAdapter(engine, parent)
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{
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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, SIGNAL(adapterStarted()));
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connect(&m_gdbProc, SIGNAL(finished(int, QProcess::ExitStatus)),
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this, SLOT(handleFinished(int, QProcess::ExitStatus)));
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m_stubProc.setMode(Core::Utils::ConsoleProcess::Debug);
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#ifdef Q_OS_UNIX
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m_stubProc.setSettings(Core::ICore::instance()->settings());
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#endif
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connect(&m_stubProc, SIGNAL(processError(QString)),
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this, SLOT(stubError(QString)));
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connect(&m_stubProc, SIGNAL(processStarted()),
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this, SLOT(stubStarted()));
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// FIXME:
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// connect(&m_stubProc, SIGNAL(wrapperStopped()),
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// m_manager, SLOT(exitDebugger()));
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}
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void PlainGdbAdapter::startAdapter(const DebuggerStartParametersPtr &sp)
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{
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debugMessage(_("TRYING TO START ADAPTER"));
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m_startParameters = sp;
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QStringList gdbArgs;
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gdbArgs.prepend(_("mi"));
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gdbArgs.prepend(_("-i"));
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if (m_startParameters->useTerminal) {
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m_stubProc.stop(); // We leave the console open, so recycle it now.
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m_stubProc.setWorkingDirectory(m_startParameters->workingDir);
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m_stubProc.setEnvironment(m_startParameters->environment);
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if (!m_stubProc.start(m_startParameters->executable,
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m_startParameters->processArgs)) {
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// Error message for user is delivered via a signal.
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emitAdapterStartFailed(QString());
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return;
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}
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} else {
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if (!m_engine->m_outputCollector.listen()) {
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emitAdapterStartFailed(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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if (!m_startParameters->workingDir.isEmpty())
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setWorkingDirectory(m_startParameters->workingDir);
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if (!m_startParameters->environment.isEmpty())
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setEnvironment(m_startParameters->environment);
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}
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QString location = theDebuggerStringSetting(GdbLocation);
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//showStatusMessage(tr("Starting Debugger: ") + loc + _c(' ') + gdbArgs.join(_(" ")));
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m_gdbProc.start(location, gdbArgs);
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}
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void PlainGdbAdapter::prepareInferior()
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{
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if (!m_startParameters->processArgs.isEmpty())
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m_engine->postCommand(_("-exec-arguments ") + m_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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void PlainGdbAdapter::handleFileExecAndSymbols(const GdbResultRecord &response, const QVariant &)
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{
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if (response.resultClass == GdbResultDone) {
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//m_breakHandler->clearBreakMarkers();
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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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emit inferiorPreparationFailed(msg);
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}
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}
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void PlainGdbAdapter::startInferior()
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{
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m_engine->postCommand(_("-exec-run"), CB(handleExecRun));
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/*
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#ifdef Q_OS_MAC
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m_engine->postCommand(_("sharedlibrary apply-load-rules all"));
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// On MacOS, breaking in at the entry point wreaks havoc.
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m_engine->postCommand(_("tbreak main"));
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m_waitingForFirstBreakpointToBeHit = true;
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m_engine->postCommand(_("-exec-run"), CB(handleExecRun));
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#else
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// FIXME:
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// if (!m_dumperInjectionLoad)
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// m_engine->postCommand(_("set auto-solib-add off"));
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m_engine->postCommand(_("info target"), CB(handleInfoTarget));
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#endif
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*/
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}
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void PlainGdbAdapter::handleInfoTarget(const GdbResultRecord &response, const QVariant &)
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{
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#if defined(Q_OS_MAC)
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Q_UNUSED(response)
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#else
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if (response.resultClass == GdbResultDone) {
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// [some leading stdout here]
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// >&" Entry point: 0x80831f0 0x08048134 - 0x08048147 is .interp\n"
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// [some trailing stdout here]
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QString msg = _(response.data.findChild("consolestreamoutput").data());
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QRegExp needle(_("\\bEntry point: (0x[0-9a-f]+)\\b"));
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if (needle.indexIn(msg) != -1) {
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//debugMessage(_("STREAM: ") + msg + " " + needle.cap(1));
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m_engine->postCommand(_("tbreak *") + needle.cap(1));
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// FIXME: m_waitingForFirstBreakpointToBeHit = true;
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m_engine->postCommand(_("-exec-run"), CB(handleExecRun));
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} else {
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debugMessage(_("PARSING START ADDRESS FAILED: ") + msg);
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emit inferiorStartFailed(_("Parsing start address failed"));
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}
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} else if (response.resultClass == GdbResultError) {
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debugMessage(_("FETCHING START ADDRESS FAILED: " + response.toString()));
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emit inferiorStartFailed(_("Fetching start address failed"));
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}
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#endif
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}
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void PlainGdbAdapter::handleExecRun(const GdbResultRecord &response, const QVariant &)
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{
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if (response.resultClass == GdbResultRunning) {
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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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emit inferiorStartFailed(msg);
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}
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}
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void PlainGdbAdapter::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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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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if (!interruptProcess(attachedPID))
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debugMessage(_("CANNOT INTERRUPT %1").arg(attachedPID));
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}
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void PlainGdbAdapter::shutdownAdapter()
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{
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m_engine->postCommand(_("-gdb-exit"), CB(handleExit));
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// 20s can easily happen when loading webkit debug information
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if (!m_gdbProc.waitForFinished(20000)) {
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debugMessage(_("FORCING TERMINATION: %1")
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.arg(state()));
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m_gdbProc.terminate();
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m_gdbProc.waitForFinished(20000);
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}
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if (state() != QProcess::NotRunning) {
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debugMessage(_("PROBLEM STOPPING DEBUGGER: STATE %1")
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.arg(state()));
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m_gdbProc.kill();
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}
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}
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void PlainGdbAdapter::handleExit(const GdbResultRecord &response, const QVariant &)
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{
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if (response.resultClass == GdbResultDone) {
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emit adapterShutDown();
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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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void PlainGdbAdapter::handleFinished(int, QProcess::ExitStatus)
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{
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debugMessage(_("GDB PROESS FINISHED"));
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}
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void PlainGdbAdapter::shutdownInferior()
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{
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m_engine->postCommand(_("kill"));
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}
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void PlainGdbAdapter::stubStarted()
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{
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const qint64 attachedPID = m_stubProc.applicationPID();
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emit inferiorPidChanged(attachedPID);
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m_engine->postCommand(_("attach %1").arg(attachedPID), CB(handleStubAttached));
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}
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void PlainGdbAdapter::handleStubAttached(const GdbResultRecord &, const QVariant &)
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{
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qDebug() << "STUB ATTACHED, FIXME";
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//qq->notifyInferiorStopped();
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//handleAqcuiredInferior();
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// FIXME: m_autoContinue = true;
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}
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void PlainGdbAdapter::stubError(const QString &msg)
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{
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QMessageBox::critical(m_engine->mainWindow(), tr("Debugger Error"), msg);
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}
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void PlainGdbAdapter::emitAdapterStartFailed(const QString &msg)
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{
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// QMessageBox::critical(mainWindow(), tr("Debugger Startup Failure"),
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// tr("Cannot start debugger: %1").arg(m_gdbAdapter->errorString()));
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m_stubProc.blockSignals(true);
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m_stubProc.stop();
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m_stubProc.blockSignals(false);
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emit adapterStartFailed(msg);
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}
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} // namespace Internal
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} // namespace Debugger
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