forked from qt-creator/qt-creator
a33bf92bd2
If the toolchain is misconfigured, it's still possible to save GDB from crashing by reading the binary format from the executable. Change-Id: I8f8db163e1dd6aef31fed23b1306e714e563646a Reviewed-by: hjk <hjk@qt.io>
4451 lines
162 KiB
C++
4451 lines
162 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the 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 The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include "gdbengine.h"
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#include "attachgdbadapter.h"
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#include "coregdbadapter.h"
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#include "gdbplainengine.h"
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#include "termgdbadapter.h"
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#include "remotegdbserveradapter.h"
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#include <debugger/debuggerstartparameters.h>
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#include <debugger/debuggerinternalconstants.h>
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#include <debugger/debuggerruncontrol.h>
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#include <debugger/disassemblerlines.h>
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#include <debugger/debuggeractions.h>
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#include <debugger/debuggercore.h>
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#include <debugger/debuggermainwindow.h>
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#include <debugger/debuggerplugin.h>
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#include <debugger/debuggerprotocol.h>
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#include <debugger/debuggertooltipmanager.h>
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#include <debugger/disassembleragent.h>
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#include <debugger/memoryagent.h>
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#include <debugger/sourceutils.h>
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#include <debugger/terminal.h>
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#include <debugger/breakhandler.h>
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#include <debugger/moduleshandler.h>
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#include <debugger/registerhandler.h>
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#include <debugger/sourcefileshandler.h>
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#include <debugger/stackhandler.h>
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#include <debugger/threadshandler.h>
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#include <debugger/debuggersourcepathmappingwidget.h>
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#include <debugger/logwindow.h>
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#include <debugger/procinterrupt.h>
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#include <debugger/shared/hostutils.h>
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#include <coreplugin/icore.h>
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#include <coreplugin/messagebox.h>
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#include <projectexplorer/devicesupport/deviceprocess.h>
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#include <projectexplorer/itaskhandler.h>
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#include <projectexplorer/projectexplorer.h>
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#include <projectexplorer/taskhub.h>
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#include <utils/algorithm.h>
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#include <utils/hostosinfo.h>
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#include <utils/macroexpander.h>
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#include <utils/qtcassert.h>
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#include <utils/qtcprocess.h>
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#include <utils/savedaction.h>
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#include <utils/temporaryfile.h>
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#include <QBuffer>
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#include <QDirIterator>
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#include <QMessageBox>
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#include <QProcess>
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#include <QPushButton>
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#include <QJsonArray>
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using namespace Core;
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using namespace ProjectExplorer;
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using namespace Utils;
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namespace Debugger {
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namespace Internal {
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enum { debugPending = 0 };
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#define PENDING_DEBUG(s) do { if (debugPending) qDebug() << s; } while (0)
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#define CB(callback) [this](const DebuggerResponse &r) { callback(r); }
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#define CHECK_STATE(s) do { checkState(s, __FILE__, __LINE__); } while (0)
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QString GdbEngine::tooltipIName(const QString &exp)
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{
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return "tooltip." + toHex(exp);
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}
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static bool stateAcceptsGdbCommands(DebuggerState state)
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{
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switch (state) {
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case EngineSetupRequested:
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case EngineSetupOk:
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case EngineSetupFailed:
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case InferiorUnrunnable:
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case InferiorSetupRequested:
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case InferiorSetupFailed:
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case EngineRunRequested:
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case InferiorRunRequested:
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case InferiorRunOk:
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case InferiorStopRequested:
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case InferiorStopOk:
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case InferiorShutdownRequested:
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case EngineShutdownRequested:
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case InferiorShutdownOk:
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case InferiorShutdownFailed:
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return true;
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case DebuggerNotReady:
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case InferiorStopFailed:
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case InferiorSetupOk:
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case EngineRunFailed:
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case InferiorRunFailed:
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case EngineShutdownOk:
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case EngineShutdownFailed:
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case DebuggerFinished:
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return false;
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}
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return false;
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}
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static int ¤tToken()
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{
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static int token = 0;
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return token;
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}
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static bool isMostlyHarmlessMessage(const QStringRef &msg)
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{
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return msg == "warning: GDB: Failed to set controlling terminal: "
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"Inappropriate ioctl for device\\n"
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|| msg == "warning: GDB: Failed to set controlling terminal: "
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"Invalid argument\\n";
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}
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static QString mainFunction(const DebuggerRunParameters &rp)
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{
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return QLatin1String(rp.toolChainAbi.os() == Abi::WindowsOS && !rp.useTerminal ? "qMain" : "main");
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}
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///////////////////////////////////////////////////////////////////////
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//
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// Debuginfo Taskhandler
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//
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///////////////////////////////////////////////////////////////////////
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class DebugInfoTask
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{
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public:
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QString command;
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};
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class DebugInfoTaskHandler : public ITaskHandler
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{
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public:
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explicit DebugInfoTaskHandler(GdbEngine *engine)
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: m_engine(engine)
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{}
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bool canHandle(const Task &task) const override
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{
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return m_debugInfoTasks.contains(task.taskId);
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}
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void handle(const Task &task) override
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{
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m_engine->requestDebugInformation(m_debugInfoTasks.value(task.taskId));
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}
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void addTask(unsigned id, const DebugInfoTask &task)
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{
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m_debugInfoTasks[id] = task;
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}
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QAction *createAction(QObject *parent) const override
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{
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QAction *action = new QAction(DebuggerPlugin::tr("Install &Debug Information"), parent);
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action->setToolTip(DebuggerPlugin::tr("Tries to install missing debug information."));
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return action;
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}
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private:
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GdbEngine *m_engine;
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QHash<unsigned, DebugInfoTask> m_debugInfoTasks;
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};
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///////////////////////////////////////////////////////////////////////
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//
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// GdbEngine
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//
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///////////////////////////////////////////////////////////////////////
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GdbEngine::GdbEngine(bool useTerminal)
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{
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setObjectName("GdbEngine");
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m_busy = false;
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m_gdbVersion = 100;
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m_pythonVersion = 0;
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m_isQnxGdb = false;
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m_registerNamesListed = false;
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m_sourcesListUpdating = false;
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m_oldestAcceptableToken = -1;
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m_nonDiscardableCount = 0;
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m_gdbOutputCodec = QTextCodec::codecForLocale();
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m_inferiorOutputCodec = QTextCodec::codecForLocale();
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m_pendingBreakpointRequests = 0;
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m_commandsDoneCallback = 0;
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m_stackNeeded = false;
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m_terminalTrap = useTerminal;
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m_systemDumpersLoaded = false;
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m_rerunPending = false;
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m_inUpdateLocals = false;
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m_debugInfoTaskHandler = new DebugInfoTaskHandler(this);
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//ExtensionSystem::PluginManager::addObject(m_debugInfoTaskHandler);
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m_commandTimer.setSingleShot(true);
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connect(&m_commandTimer, &QTimer::timeout,
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this, &GdbEngine::commandTimeout);
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connect(action(AutoDerefPointers), &SavedAction::valueChanged,
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this, &GdbEngine::reloadLocals);
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connect(action(CreateFullBacktrace), &QAction::triggered,
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this, &GdbEngine::createFullBacktrace);
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connect(action(UseDebuggingHelpers), &SavedAction::valueChanged,
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this, &GdbEngine::reloadLocals);
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connect(action(UseDynamicType), &SavedAction::valueChanged,
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this, &GdbEngine::reloadLocals);
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}
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GdbEngine::~GdbEngine()
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{
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//ExtensionSystem::PluginManager::removeObject(m_debugInfoTaskHandler);
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delete m_debugInfoTaskHandler;
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m_debugInfoTaskHandler = 0;
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// Prevent sending error messages afterwards.
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disconnect();
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}
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DebuggerStartMode GdbEngine::startMode() const
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{
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return runParameters().startMode;
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}
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QString GdbEngine::failedToStartMessage()
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{
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return tr("The gdb process failed to start.");
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}
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QString GdbEngine::errorMessage(QProcess::ProcessError error)
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{
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switch (error) {
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case QProcess::FailedToStart:
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return failedToStartMessage() + ' ' + tr("Either the "
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"invoked program \"%1\" is missing, or you may have insufficient "
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"permissions to invoke the program.\n%2")
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.arg(runParameters().debugger.executable, m_gdbProc.errorString());
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case QProcess::Crashed:
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if (isDying())
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return tr("The gdb process crashed some time after starting "
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"successfully.");
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else
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return tr("The gdb process was ended forcefully");
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case QProcess::Timedout:
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return 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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case QProcess::WriteError:
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return tr("An error occurred when attempting to write "
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"to the gdb 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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case QProcess::ReadError:
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return tr("An error occurred when attempting to read from "
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"the gdb process. For example, the process may not be running.");
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default:
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return tr("An unknown error in the gdb process occurred.");
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}
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}
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#if 0
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static void dump(const char *first, const char *middle, const QString & to)
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{
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QString ba(first, middle - first);
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Q_UNUSED(to)
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// note that qDebug cuts off output after a certain size... (bug?)
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qDebug("\n>>>>> %s\n%s\n====\n%s\n<<<<<\n",
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qPrintable(currentTime()),
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qPrintable(QString(ba).trimmed()),
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qPrintable(to.trimmed()));
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//qDebug() << "";
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//qDebug() << qPrintable(currentTime())
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// << " Reading response: " << QString(ba).trimmed() << "\n";
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}
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#endif
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// Parse "~:gdb: unknown target exception 0xc0000139 at 0x77bef04e\n"
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// and return an exception message
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static inline QString msgWinException(const QString &data, unsigned *exCodeIn = 0)
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{
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if (exCodeIn)
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*exCodeIn = 0;
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const int exCodePos = data.indexOf("0x");
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const int blankPos = exCodePos != -1 ? data.indexOf(' ', exCodePos + 1) : -1;
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const int addressPos = blankPos != -1 ? data.indexOf("0x", blankPos + 1) : -1;
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if (addressPos < 0)
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return GdbEngine::tr("An exception was triggered.");
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const unsigned exCode = data.mid(exCodePos, blankPos - exCodePos).toUInt(0, 0);
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if (exCodeIn)
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*exCodeIn = exCode;
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const quint64 address = data.mid(addressPos).trimmed().toULongLong(0, 0);
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QString rc;
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QTextStream str(&rc);
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str << GdbEngine::tr("An exception was triggered:") << ' ';
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formatWindowsException(exCode, address, 0, 0, 0, str);
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str << '.';
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return rc;
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}
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static bool isNameChar(int c)
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{
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// could be 'stopped' or 'shlibs-added'
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return (c >= 'a' && c <= 'z') || c == '-';
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}
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static bool contains(const QString &message, const QString &pattern, int size)
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{
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const int s = message.size();
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if (s < size)
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return false;
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const int pos = message.indexOf(pattern);
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if (pos == -1)
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return false;
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const bool beginFits = pos == 0 || message.at(pos - 1) == '\n';
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const bool endFits = pos + size == s || message.at(pos + size) == '\n';
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return beginFits && endFits;
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}
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static bool isGdbConnectionError(const QString &message)
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{
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// Handle messages gdb client produces when the target exits (gdbserver)
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//
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// we get this as response either to a specific command, e.g.
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// 31^error,msg="Remote connection closed"
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// or as informative output:
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// &Remote connection closed
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const char msg1[] = "Remote connection closed";
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const char msg2[] = "Remote communication error. Target disconnected.: No error.";
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const char msg3[] = "Quit";
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return contains(message, msg1, sizeof(msg1) - 1)
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|| contains(message, msg2, sizeof(msg2) - 1)
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|| contains(message, msg3, sizeof(msg3) - 1);
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}
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void GdbEngine::handleResponse(const QString &buff)
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{
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showMessage(buff, LogOutput);
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if (buff.isEmpty() || buff == "(gdb) ")
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return;
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const QChar *from = buff.constData();
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const QChar *to = from + buff.size();
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const QChar *inner;
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int token = -1;
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// Token is a sequence of numbers.
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for (inner = from; inner != to; ++inner)
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if (*inner < '0' || *inner > '9')
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break;
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if (from != inner) {
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token = QString(from, inner - from).toInt();
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from = inner;
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}
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// Next char decides kind of response.
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const QChar c = *from++;
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switch (c.unicode()) {
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case '*':
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case '+':
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case '=': {
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QString asyncClass;
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for (; from != to; ++from) {
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const QChar c = *from;
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if (!isNameChar(c.unicode()))
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break;
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asyncClass += *from;
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}
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GdbMi result;
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while (from != to) {
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GdbMi data;
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if (*from != ',') {
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// happens on archer where we get
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// 23^running <NL> *running,thread-id="all" <NL> (gdb)
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result.m_type = GdbMi::Tuple;
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break;
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}
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++from; // skip ','
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data.parseResultOrValue(from, to);
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if (data.isValid()) {
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//qDebug() << "parsed result:" << data.toString();
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result.m_children.push_back(data);
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result.m_type = GdbMi::Tuple;
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}
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}
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handleAsyncOutput(asyncClass, result);
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break;
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}
|
|
|
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case '~': {
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QString data = GdbMi::parseCString(from, to);
|
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if (data.startsWith("bridgemessage={")) {
|
|
// It's already logged.
|
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break;
|
|
}
|
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if (data.startsWith("interpreterresult={")) {
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GdbMi allData;
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allData.fromStringMultiple(data);
|
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DebuggerResponse response;
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response.resultClass = ResultDone;
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response.data = allData["interpreterresult"];
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response.token = allData["token"].toInt();
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handleResultRecord(&response);
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break;
|
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}
|
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if (data.startsWith("interpreterasync={")) {
|
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GdbMi allData;
|
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allData.fromStringMultiple(data);
|
|
QString asyncClass = allData["asyncclass"].data();
|
|
if (asyncClass == "breakpointmodified")
|
|
handleInterpreterBreakpointModified(allData["interpreterasync"]);
|
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break;
|
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}
|
|
m_pendingConsoleStreamOutput += data;
|
|
|
|
// Show some messages to give the impression something happens.
|
|
if (data.startsWith("Reading symbols from ")) {
|
|
showStatusMessage(tr("Reading %1...").arg(data.mid(21)), 1000);
|
|
progressPing();
|
|
} else if (data.startsWith("[New ") || data.startsWith("[Thread ")) {
|
|
if (data.endsWith('\n'))
|
|
data.chop(1);
|
|
progressPing();
|
|
showStatusMessage(data, 1000);
|
|
} else if (data.startsWith("gdb: unknown target exception 0x")) {
|
|
// [Windows, most likely some DLL/Entry point not found]:
|
|
// "gdb: unknown target exception 0xc0000139 at 0x77bef04e"
|
|
// This may be fatal and cause the target to exit later
|
|
unsigned exCode;
|
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m_lastWinException = msgWinException(data, &exCode);
|
|
showMessage(m_lastWinException, LogMisc);
|
|
const Task::TaskType type = isFatalWinException(exCode) ? Task::Error : Task::Warning;
|
|
TaskHub::addTask(type, m_lastWinException, Constants::TASK_CATEGORY_DEBUGGER_RUNTIME);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case '@': {
|
|
QString data = GdbMi::parseCString(from, to);
|
|
QString msg = data.mid(2, data.size() - 4);
|
|
showMessage(msg, AppOutput);
|
|
break;
|
|
}
|
|
|
|
case '&': {
|
|
QString data = GdbMi::parseCString(from, to);
|
|
// On Windows, the contents seem to depend on the debugger
|
|
// version and/or OS version used.
|
|
if (data.startsWith("warning:"))
|
|
showMessage(data.mid(9), AppStuff); // Cut "warning: "
|
|
|
|
m_pendingLogStreamOutput += data;
|
|
|
|
if (isGdbConnectionError(data)) {
|
|
notifyInferiorExited();
|
|
break;
|
|
}
|
|
|
|
if (boolSetting(IdentifyDebugInfoPackages)) {
|
|
// From SuSE's gdb: >&"Missing separate debuginfo for ...\n"
|
|
// ">&"Try: zypper install -C \"debuginfo(build-id)=c084ee5876ed1ac12730181c9f07c3e027d8e943\"\n"
|
|
if (data.startsWith("Missing separate debuginfo for ")) {
|
|
m_lastMissingDebugInfo = data.mid(32);
|
|
} else if (data.startsWith("Try: zypper")) {
|
|
QString cmd = data.mid(4);
|
|
|
|
Task task(Task::Warning,
|
|
tr("Missing debug information for %1\nTry: %2")
|
|
.arg(m_lastMissingDebugInfo).arg(cmd),
|
|
FileName(), 0, Debugger::Constants::TASK_CATEGORY_DEBUGGER_DEBUGINFO);
|
|
|
|
TaskHub::addTask(task);
|
|
|
|
DebugInfoTask dit;
|
|
dit.command = cmd;
|
|
m_debugInfoTaskHandler->addTask(task.taskId, dit);
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case '^': {
|
|
DebuggerResponse response;
|
|
|
|
response.token = token;
|
|
|
|
for (inner = from; inner != to; ++inner)
|
|
if (*inner < 'a' || *inner > 'z')
|
|
break;
|
|
|
|
QString resultClass = QString::fromRawData(from, inner - from);
|
|
if (resultClass == "done")
|
|
response.resultClass = ResultDone;
|
|
else if (resultClass == "running")
|
|
response.resultClass = ResultRunning;
|
|
else if (resultClass == "connected")
|
|
response.resultClass = ResultConnected;
|
|
else if (resultClass == "error")
|
|
response.resultClass = ResultError;
|
|
else if (resultClass == "exit")
|
|
response.resultClass = ResultExit;
|
|
else
|
|
response.resultClass = ResultUnknown;
|
|
|
|
from = inner;
|
|
if (from != to) {
|
|
if (*from == ',') {
|
|
++from;
|
|
response.data.parseTuple_helper(from, to);
|
|
response.data.m_type = GdbMi::Tuple;
|
|
response.data.m_name = "data";
|
|
} else {
|
|
// Archer has this.
|
|
response.data.m_type = GdbMi::Tuple;
|
|
response.data.m_name = "data";
|
|
}
|
|
}
|
|
|
|
response.logStreamOutput = m_pendingLogStreamOutput;
|
|
response.consoleStreamOutput = m_pendingConsoleStreamOutput;
|
|
m_pendingLogStreamOutput.clear();
|
|
m_pendingConsoleStreamOutput.clear();
|
|
|
|
if (response.data.data().isEmpty())
|
|
response.data.fromString(response.consoleStreamOutput);
|
|
|
|
handleResultRecord(&response);
|
|
break;
|
|
}
|
|
default: {
|
|
qDebug() << "UNKNOWN RESPONSE TYPE '" << c << "'. REST: " << from;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleAsyncOutput(const QString &asyncClass, const GdbMi &result)
|
|
{
|
|
if (asyncClass == "stopped") {
|
|
if (m_inUpdateLocals) {
|
|
showMessage("UNEXPECTED *stopped NOTIFICATION IGNORED", LogWarning);
|
|
} else {
|
|
handleStopResponse(result);
|
|
m_pendingLogStreamOutput.clear();
|
|
m_pendingConsoleStreamOutput.clear();
|
|
}
|
|
} else if (asyncClass == "running") {
|
|
if (m_inUpdateLocals) {
|
|
showMessage("UNEXPECTED *running NOTIFICATION IGNORED", LogWarning);
|
|
} else {
|
|
GdbMi threads = result["thread-id"];
|
|
threadsHandler()->notifyRunning(threads.data());
|
|
if (runParameters().toolChainAbi.os() == Abi::WindowsOS) {
|
|
// NOTE: Each created thread spits out a *running message. We completely ignore them
|
|
// on Windows, and handle only numbered responses
|
|
|
|
// FIXME: Breakpoints on Windows are exceptions which are thrown in newly
|
|
// created threads so we have to filter out the running threads messages when
|
|
// we request a stop.
|
|
} else if (state() == InferiorRunOk || state() == InferiorSetupRequested) {
|
|
// We get multiple *running after thread creation and in Windows terminals.
|
|
showMessage(QString("NOTE: INFERIOR STILL RUNNING IN STATE %1.").
|
|
arg(DebuggerEngine::stateName(state())));
|
|
} else {
|
|
notifyInferiorRunOk();
|
|
}
|
|
}
|
|
} else if (asyncClass == "library-loaded") {
|
|
// Archer has 'id="/usr/lib/libdrm.so.2",
|
|
// target-name="/usr/lib/libdrm.so.2",
|
|
// host-name="/usr/lib/libdrm.so.2",
|
|
// symbols-loaded="0"
|
|
|
|
// id="/lib/i386-linux-gnu/libc.so.6"
|
|
// target-name="/lib/i386-linux-gnu/libc.so.6"
|
|
// host-name="/lib/i386-linux-gnu/libc.so.6"
|
|
// symbols-loaded="0",thread-group="i1"
|
|
QString id = result["id"].data();
|
|
if (!id.isEmpty())
|
|
showStatusMessage(tr("Library %1 loaded").arg(id), 1000);
|
|
progressPing();
|
|
Module module;
|
|
module.startAddress = 0;
|
|
module.endAddress = 0;
|
|
module.hostPath = result["host-name"].data();
|
|
module.modulePath = result["target-name"].data();
|
|
module.moduleName = QFileInfo(module.hostPath).baseName();
|
|
modulesHandler()->updateModule(module);
|
|
} else if (asyncClass == "library-unloaded") {
|
|
// Archer has 'id="/usr/lib/libdrm.so.2",
|
|
// target-name="/usr/lib/libdrm.so.2",
|
|
// host-name="/usr/lib/libdrm.so.2"
|
|
QString id = result["id"].data();
|
|
progressPing();
|
|
showStatusMessage(tr("Library %1 unloaded").arg(id), 1000);
|
|
} else if (asyncClass == "thread-group-added") {
|
|
// 7.1-symbianelf has "{id="i1"}"
|
|
} else if (asyncClass == "thread-group-started") {
|
|
// Archer had only "{id="28902"}" at some point of 6.8.x.
|
|
// *-started seems to be standard in 7.1, but in early
|
|
// 7.0.x, there was a *-created instead.
|
|
progressPing();
|
|
// 7.1.50 has thread-group-started,id="i1",pid="3529"
|
|
QString id = result["id"].data();
|
|
showStatusMessage(tr("Thread group %1 created").arg(id), 1000);
|
|
notifyInferiorPid(result["pid"].toProcessHandle());
|
|
handleThreadGroupCreated(result);
|
|
} else if (asyncClass == "thread-created") {
|
|
//"{id="1",group-id="28902"}"
|
|
QString id = result["id"].data();
|
|
showStatusMessage(tr("Thread %1 created").arg(id), 1000);
|
|
ThreadData thread;
|
|
thread.id = ThreadId(id.toLong());
|
|
thread.groupId = result["group-id"].data();
|
|
threadsHandler()->updateThread(thread);
|
|
} else if (asyncClass == "thread-group-exited") {
|
|
// Archer has "{id="28902"}"
|
|
QString id = result["id"].data();
|
|
showStatusMessage(tr("Thread group %1 exited").arg(id), 1000);
|
|
handleThreadGroupExited(result);
|
|
} else if (asyncClass == "thread-exited") {
|
|
//"{id="1",group-id="28902"}"
|
|
QString id = result["id"].data();
|
|
QString groupid = result["group-id"].data();
|
|
showStatusMessage(tr("Thread %1 in group %2 exited")
|
|
.arg(id).arg(groupid), 1000);
|
|
threadsHandler()->removeThread(ThreadId(id.toLong()));
|
|
} else if (asyncClass == "thread-selected") {
|
|
QString id = result["id"].data();
|
|
showStatusMessage(tr("Thread %1 selected").arg(id), 1000);
|
|
//"{id="2"}"
|
|
} else if (asyncClass == "breakpoint-modified") {
|
|
// New in FSF gdb since 2011-04-27.
|
|
// "{bkpt={number="3",type="breakpoint",disp="keep",
|
|
// enabled="y",addr="<MULTIPLE>",times="1",
|
|
// original-location="\\",simple_gdbtest_app.cpp\\":135"},
|
|
// {number="3.1",enabled="y",addr="0x0805ff68",
|
|
// func="Vector<int>::Vector(int)",
|
|
// file="simple_gdbtest_app.cpp",
|
|
// fullname="/data/...line="135"},{number="3.2"...}}.."
|
|
|
|
// Note the leading comma in original-location. Filter it out.
|
|
// We don't need the field anyway.
|
|
QString ba = result.toString();
|
|
ba = '[' + ba.mid(6, ba.size() - 7) + ']';
|
|
const int pos1 = ba.indexOf(",original-location");
|
|
const int pos2 = ba.indexOf("\":", pos1 + 2);
|
|
const int pos3 = ba.indexOf('"', pos2 + 2);
|
|
ba.remove(pos1, pos3 - pos1 + 1);
|
|
GdbMi res;
|
|
res.fromString(ba);
|
|
BreakHandler *handler = breakHandler();
|
|
Breakpoint bp;
|
|
BreakpointResponse br;
|
|
foreach (const GdbMi &bkpt, res.children()) {
|
|
const QString nr = bkpt["number"].data();
|
|
BreakpointResponseId rid(nr);
|
|
if (nr.contains('.')) {
|
|
// A sub-breakpoint.
|
|
BreakpointResponse sub;
|
|
updateResponse(sub, bkpt);
|
|
sub.id = rid;
|
|
sub.type = br.type;
|
|
bp.insertSubBreakpoint(sub);
|
|
} else {
|
|
// A primary breakpoint.
|
|
bp = handler->findBreakpointByResponseId(rid);
|
|
br = bp.response();
|
|
updateResponse(br, bkpt);
|
|
bp.setResponse(br);
|
|
}
|
|
}
|
|
} else if (asyncClass == "breakpoint-created") {
|
|
// "{bkpt={number="1",type="breakpoint",disp="del",enabled="y",
|
|
// addr="<PENDING>",pending="main",times="0",
|
|
// original-location="main"}}" -- or --
|
|
// {bkpt={number="2",type="hw watchpoint",disp="keep",enabled="y",
|
|
// what="*0xbfffed48",times="0",original-location="*0xbfffed48"}}
|
|
BreakHandler *handler = breakHandler();
|
|
foreach (const GdbMi &bkpt, result.children()) {
|
|
BreakpointResponse br;
|
|
br.type = BreakpointByFileAndLine;
|
|
updateResponse(br, bkpt);
|
|
handler->handleAlienBreakpoint(br, this);
|
|
}
|
|
} else if (asyncClass == "breakpoint-deleted") {
|
|
// "breakpoint-deleted" "{id="1"}"
|
|
// New in FSF gdb since 2011-04-27.
|
|
QString nr = result["id"].data();
|
|
BreakpointResponseId rid(nr);
|
|
if (Breakpoint bp = breakHandler()->findBreakpointByResponseId(rid)) {
|
|
// This also triggers when a temporary breakpoint is hit.
|
|
// We do not really want that, as this loses all information.
|
|
// FIXME: Use a special marker for this case?
|
|
// if (!bp.isOneShot()) ... is not sufficient.
|
|
// It keeps temporary "Jump" breakpoints alive.
|
|
bp.removeAlienBreakpoint();
|
|
}
|
|
} else if (asyncClass == "cmd-param-changed") {
|
|
// New since 2012-08-09
|
|
// "{param="debug remote",value="1"}"
|
|
} else if (asyncClass == "memory-changed") {
|
|
// New since 2013
|
|
// "{thread-group="i1",addr="0x0918a7a8",len="0x10"}"
|
|
} else if (asyncClass == "tsv-created") {
|
|
// New since 2013-02-06
|
|
} else if (asyncClass == "tsv-modified") {
|
|
// New since 2013-02-06
|
|
} else {
|
|
qDebug() << "IGNORED ASYNC OUTPUT"
|
|
<< asyncClass << result.toString();
|
|
}
|
|
}
|
|
|
|
void GdbEngine::readGdbStandardError()
|
|
{
|
|
QString err = QString::fromUtf8(m_gdbProc.readAllStandardError());
|
|
showMessage("UNEXPECTED GDB STDERR: " + err);
|
|
if (err == "Undefined command: \"bb\". Try \"help\".\n")
|
|
return;
|
|
if (err.startsWith("BFD: reopening"))
|
|
return;
|
|
qWarning() << "Unexpected GDB stderr:" << err;
|
|
}
|
|
|
|
void GdbEngine::readDebuggeeOutput(const QByteArray &ba)
|
|
{
|
|
const QString msg = m_inferiorOutputCodec->toUnicode(ba.constData(), ba.size(),
|
|
&m_inferiorOutputCodecState);
|
|
|
|
if (msg.startsWith("&\"") && isMostlyHarmlessMessage(msg.midRef(2, msg.size() - 4)))
|
|
showMessage("Mostly harmless terminal warning suppressed.", LogWarning);
|
|
else
|
|
showMessage(msg, AppStuff);
|
|
}
|
|
|
|
void GdbEngine::readGdbStandardOutput()
|
|
{
|
|
m_commandTimer.start(); // Restart timer.
|
|
|
|
int newstart = 0;
|
|
int scan = m_inbuffer.size();
|
|
|
|
QByteArray out = m_gdbProc.readAllStandardOutput();
|
|
m_inbuffer.append(out);
|
|
|
|
// This can trigger when a dialog starts a nested event loop.
|
|
if (m_busy)
|
|
return;
|
|
|
|
while (newstart < m_inbuffer.size()) {
|
|
int start = newstart;
|
|
int end = m_inbuffer.indexOf('\n', scan);
|
|
if (end < 0) {
|
|
m_inbuffer.remove(0, start);
|
|
return;
|
|
}
|
|
newstart = end + 1;
|
|
scan = newstart;
|
|
if (end == start)
|
|
continue;
|
|
if (m_inbuffer.at(end - 1) == '\r') {
|
|
--end;
|
|
if (end == start)
|
|
continue;
|
|
}
|
|
m_busy = true;
|
|
|
|
QString msg = m_gdbOutputCodec->toUnicode(m_inbuffer.constData() + start, end - start,
|
|
&m_gdbOutputCodecState);
|
|
|
|
handleResponse(msg);
|
|
m_busy = false;
|
|
}
|
|
m_inbuffer.clear();
|
|
}
|
|
|
|
void GdbEngine::interruptInferior()
|
|
{
|
|
CHECK_STATE(InferiorStopRequested);
|
|
|
|
if (terminal()->sendInterrupt())
|
|
return;
|
|
|
|
if (usesExecInterrupt()) {
|
|
runCommand({"-exec-interrupt"});
|
|
} else {
|
|
showStatusMessage(tr("Stop requested..."), 5000);
|
|
showMessage("TRYING TO INTERRUPT INFERIOR");
|
|
if (HostOsInfo::isWindowsHost() && !m_isQnxGdb) {
|
|
QTC_ASSERT(state() == InferiorStopRequested, qDebug() << state(); notifyInferiorStopFailed());
|
|
QTC_ASSERT(!m_signalOperation, notifyInferiorStopFailed());
|
|
m_signalOperation = runTool()->device()->signalOperation();
|
|
QTC_ASSERT(m_signalOperation, notifyInferiorStopFailed());
|
|
connect(m_signalOperation.data(), &DeviceProcessSignalOperation::finished,
|
|
this, &GdbEngine::handleInterruptDeviceInferior);
|
|
|
|
m_signalOperation->setDebuggerCommand(runParameters().debugger.executable);
|
|
m_signalOperation->interruptProcess(inferiorPid());
|
|
} else {
|
|
interruptInferior2();
|
|
}
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleInterruptDeviceInferior(const QString &error)
|
|
{
|
|
if (error.isEmpty()) {
|
|
showMessage("Interrupted " + QString::number(inferiorPid()));
|
|
notifyInferiorStopOk();
|
|
} else {
|
|
showMessage(error, LogError);
|
|
notifyInferiorStopFailed();
|
|
}
|
|
m_signalOperation->disconnect(this);
|
|
m_signalOperation.clear();
|
|
}
|
|
|
|
void GdbEngine::runCommand(const DebuggerCommand &command)
|
|
{
|
|
const int token = ++currentToken();
|
|
|
|
DebuggerCommand cmd = command;
|
|
|
|
if (cmd.function.isEmpty()) {
|
|
showMessage(QString("EMPTY FUNCTION RUN, TOKEN: %1 ARGS: %2")
|
|
.arg(token).arg(cmd.args.toString()));
|
|
QTC_ASSERT(false, return);
|
|
}
|
|
|
|
if (!stateAcceptsGdbCommands(state())) {
|
|
showMessage(QString("NO GDB PROCESS RUNNING, CMD IGNORED: %1 %2")
|
|
.arg(cmd.function).arg(state()));
|
|
return;
|
|
}
|
|
|
|
if (cmd.flags & RebuildBreakpointModel) {
|
|
++m_pendingBreakpointRequests;
|
|
PENDING_DEBUG(" BREAKPOINT MODEL:" << cmd.function
|
|
<< "INCREMENTS PENDING TO" << m_pendingBreakpointRequests);
|
|
} else {
|
|
PENDING_DEBUG(" OTHER (IN):" << cmd.function
|
|
<< "LEAVES PENDING BREAKPOINT AT" << m_pendingBreakpointRequests);
|
|
}
|
|
|
|
if (cmd.flags & (NeedsTemporaryStop|NeedsFullStop)) {
|
|
showMessage("RUNNING NEEDS-STOP COMMAND " + cmd.function);
|
|
const bool wantContinue = bool(cmd.flags & NeedsTemporaryStop);
|
|
cmd.flags &= ~(NeedsTemporaryStop|NeedsFullStop);
|
|
if (state() == InferiorStopRequested) {
|
|
if (cmd.flags & LosesChild) {
|
|
notifyInferiorIll();
|
|
return;
|
|
}
|
|
showMessage("CHILD ALREADY BEING INTERRUPTED. STILL HOPING.");
|
|
// Calling shutdown() here breaks all situations where two
|
|
// NeedsStop commands are issued in quick succession.
|
|
m_onStop.append(cmd, wantContinue);
|
|
return;
|
|
}
|
|
if (state() == InferiorRunOk) {
|
|
showStatusMessage(tr("Stopping temporarily"), 1000);
|
|
m_onStop.append(cmd, wantContinue);
|
|
requestInterruptInferior();
|
|
return;
|
|
}
|
|
showMessage("UNSAFE STATE FOR QUEUED COMMAND. EXECUTING IMMEDIATELY");
|
|
}
|
|
|
|
if (!(cmd.flags & Discardable))
|
|
++m_nonDiscardableCount;
|
|
|
|
bool isPythonCommand = true;
|
|
if ((cmd.flags & NativeCommand) || cmd.function.contains('-') || cmd.function.contains(' '))
|
|
isPythonCommand = false;
|
|
if (isPythonCommand) {
|
|
cmd.arg("token", token);
|
|
cmd.function = "python theDumper." + cmd.function + "(" + cmd.argsToPython() + ")";
|
|
}
|
|
|
|
QTC_ASSERT(m_gdbProc.state() == QProcess::Running, return);
|
|
|
|
cmd.postTime = QTime::currentTime().msecsSinceStartOfDay();
|
|
m_commandForToken[token] = cmd;
|
|
m_flagsForToken[token] = cmd.flags;
|
|
if (cmd.flags & ConsoleCommand)
|
|
cmd.function = "-interpreter-exec console \"" + cmd.function + '"';
|
|
cmd.function = QString::number(token) + cmd.function;
|
|
showMessage(cmd.function, LogInput);
|
|
|
|
if (m_scheduledTestResponses.contains(token)) {
|
|
// Fake response for test cases.
|
|
QString buffer = m_scheduledTestResponses.value(token);
|
|
buffer.replace("@TOKEN@", QString::number(token));
|
|
m_scheduledTestResponses.remove(token);
|
|
showMessage(QString("FAKING TEST RESPONSE (TOKEN: %2, RESPONSE: %3)")
|
|
.arg(token).arg(buffer));
|
|
QMetaObject::invokeMethod(this, "handleResponse",
|
|
Q_ARG(QString, buffer));
|
|
} else {
|
|
m_gdbProc.write(cmd.function.toUtf8() + "\r\n");
|
|
if (command.flags & NeedsFlush)
|
|
m_gdbProc.write("p 0\r\n");
|
|
|
|
// Start Watchdog.
|
|
if (m_commandTimer.interval() <= 20000)
|
|
m_commandTimer.setInterval(commandTimeoutTime());
|
|
// The process can die for external reason between the "-gdb-exit" was
|
|
// sent and a response could be retrieved. We don't want the watchdog
|
|
// to bark in that case since the only possible outcome is a dead
|
|
// process anyway.
|
|
if (!cmd.function.endsWith("-gdb-exit"))
|
|
m_commandTimer.start();
|
|
|
|
//if (cmd.flags & LosesChild)
|
|
// notifyInferiorIll();
|
|
}
|
|
}
|
|
|
|
int GdbEngine::commandTimeoutTime() const
|
|
{
|
|
int time = action(GdbWatchdogTimeout)->value().toInt();
|
|
return 1000 * qMax(40, time);
|
|
}
|
|
|
|
void GdbEngine::commandTimeout()
|
|
{
|
|
QList<int> keys = m_commandForToken.keys();
|
|
Utils::sort(keys);
|
|
bool killIt = false;
|
|
foreach (int key, keys) {
|
|
const DebuggerCommand &cmd = m_commandForToken.value(key);
|
|
killIt = true;
|
|
showMessage(QString::number(key) + ": " + cmd.function);
|
|
}
|
|
QStringList commands;
|
|
foreach (const DebuggerCommand &cmd, m_commandForToken)
|
|
commands << QString("\"%1\"").arg(cmd.function);
|
|
if (killIt) {
|
|
showMessage(QString("TIMED OUT WAITING FOR GDB REPLY. "
|
|
"COMMANDS STILL IN PROGRESS: ") + commands.join(", "));
|
|
int timeOut = m_commandTimer.interval();
|
|
//m_commandTimer.stop();
|
|
const QString msg = tr("The gdb process has not responded "
|
|
"to a command within %n second(s). This could mean it is stuck "
|
|
"in an endless loop or taking longer than expected to perform "
|
|
"the operation.\nYou can choose between waiting "
|
|
"longer or aborting debugging.", 0, timeOut / 1000);
|
|
QMessageBox *mb = showMessageBox(QMessageBox::Critical,
|
|
tr("GDB not responding"), msg,
|
|
QMessageBox::Ok | QMessageBox::Cancel);
|
|
mb->button(QMessageBox::Cancel)->setText(tr("Give GDB more time"));
|
|
mb->button(QMessageBox::Ok)->setText(tr("Stop debugging"));
|
|
if (mb->exec() == QMessageBox::Ok) {
|
|
showMessage("KILLING DEBUGGER AS REQUESTED BY USER");
|
|
// This is an undefined state, so we just pull the emergency brake.
|
|
m_gdbProc.kill();
|
|
notifyEngineShutdownFailed();
|
|
} else {
|
|
showMessage("CONTINUE DEBUGGER AS REQUESTED BY USER");
|
|
}
|
|
} else {
|
|
showMessage(QString("\nNON-CRITICAL TIMEOUT\nCOMMANDS STILL IN PROGRESS: ")
|
|
+ commands.join(", "));
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleResultRecord(DebuggerResponse *response)
|
|
{
|
|
//qDebug() << "TOKEN:" << response->token
|
|
// << " ACCEPTABLE:" << m_oldestAcceptableToken;
|
|
//qDebug() << "\nRESULT" << response->token << response->toString();
|
|
|
|
int token = response->token;
|
|
if (token == -1)
|
|
return;
|
|
|
|
if (!m_commandForToken.contains(token)) {
|
|
// In theory this should not happen (rather the error should be
|
|
// reported in the "first" response to the command) in practice it
|
|
// does. We try to handle a few situations we are aware of gracefully.
|
|
// Ideally, this code should not be present at all.
|
|
showMessage(QString("COOKIE FOR TOKEN %1 ALREADY EATEN (%2). "
|
|
"TWO RESPONSES FOR ONE COMMAND?").arg(token).
|
|
arg(stateName(state())));
|
|
if (response->resultClass == ResultError) {
|
|
QString msg = response->data["msg"].data();
|
|
if (msg == "Cannot find new threads: generic error") {
|
|
// Handle a case known to occur on Linux/gdb 6.8 when debugging moc
|
|
// with helpers enabled. In this case we get a second response with
|
|
// msg="Cannot find new threads: generic error"
|
|
showMessage("APPLYING WORKAROUND #1");
|
|
AsynchronousMessageBox::critical(tr("Executable failed"), msg);
|
|
showStatusMessage(tr("Process failed to start"));
|
|
//shutdown();
|
|
notifyInferiorIll();
|
|
} else if (msg == "\"finish\" not meaningful in the outermost frame.") {
|
|
// Handle a case known to appear on GDB 6.4 symbianelf when
|
|
// the stack is cut due to access to protected memory.
|
|
//showMessage("APPLYING WORKAROUND #2");
|
|
notifyInferiorStopOk();
|
|
} else if (msg.startsWith("Cannot find bounds of current function")) {
|
|
// Happens when running "-exec-next" in a function for which
|
|
// there is no debug information. Divert to "-exec-next-step"
|
|
showMessage("APPLYING WORKAROUND #3");
|
|
notifyInferiorStopOk();
|
|
executeNextI();
|
|
} else if (msg.startsWith("Couldn't get registers: No such process.")) {
|
|
// Happens on archer-tromey-python 6.8.50.20090910-cvs
|
|
// There might to be a race between a process shutting down
|
|
// and library load messages.
|
|
showMessage("APPLYING WORKAROUND #4");
|
|
notifyInferiorStopOk();
|
|
//notifyInferiorIll();
|
|
//showStatusMessage(tr("Executable failed: %1").arg(msg));
|
|
//shutdown();
|
|
//Core::AsynchronousMessageBox::critical(tr("Executable failed"), msg);
|
|
} else if (msg.contains("Cannot insert breakpoint")) {
|
|
// For breakpoints set by address to non-existent addresses we
|
|
// might get something like "6^error,msg="Warning:\nCannot insert
|
|
// breakpoint 3.\nError accessing memory address 0x34592327:
|
|
// Input/output error.\nCannot insert breakpoint 4.\nError
|
|
// accessing memory address 0x34592335: Input/output error.\n".
|
|
// This should not stop us from proceeding.
|
|
// Most notably, that happens after a "6^running" and "*running"
|
|
// We are probably sitting at _start and can't proceed as
|
|
// long as the breakpoints are enabled.
|
|
// FIXME: Should we silently disable the offending breakpoints?
|
|
showMessage("APPLYING WORKAROUND #5");
|
|
AsynchronousMessageBox::critical(tr("Setting breakpoints failed"), msg);
|
|
QTC_CHECK(state() == InferiorRunOk);
|
|
notifyInferiorSpontaneousStop();
|
|
notifyEngineIll();
|
|
} else if (isGdbConnectionError(msg)) {
|
|
notifyInferiorExited();
|
|
} else {
|
|
// Windows: Some DLL or some function not found. Report
|
|
// the exception now in a box.
|
|
if (msg.startsWith("During startup program exited with"))
|
|
notifyInferiorExited();
|
|
else if (msg.contains("Command aborted."))
|
|
notifyInferiorSpontaneousStop();
|
|
QString logMsg;
|
|
if (!m_lastWinException.isEmpty())
|
|
logMsg = m_lastWinException + '\n';
|
|
logMsg += msg;
|
|
AsynchronousMessageBox::critical(tr("Executable Failed"), logMsg);
|
|
showStatusMessage(tr("Executable failed: %1").arg(logMsg));
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
DebuggerCommand cmd = m_commandForToken.take(token);
|
|
const int flags = m_flagsForToken.take(token);
|
|
if (boolSetting(LogTimeStamps)) {
|
|
showMessage(QString("Response time: %1: %2 s")
|
|
.arg(cmd.function)
|
|
.arg(QTime::fromMSecsSinceStartOfDay(cmd.postTime).msecsTo(QTime::currentTime()) / 1000.),
|
|
LogTime);
|
|
}
|
|
|
|
if (response->token < m_oldestAcceptableToken && (flags & Discardable)) {
|
|
//showMessage(_("### SKIPPING OLD RESULT") + response.toString());
|
|
return;
|
|
}
|
|
|
|
bool isExpectedResult =
|
|
(response->resultClass == ResultError) // Can always happen.
|
|
|| (response->resultClass == ResultRunning && (flags & RunRequest))
|
|
|| (response->resultClass == ResultExit && (flags & ExitRequest))
|
|
|| (response->resultClass == ResultDone);
|
|
// ResultDone can almost "always" happen. Known examples are:
|
|
// (response->resultClass == ResultDone && cmd.function == "continue")
|
|
// Happens with some incarnations of gdb 6.8 for "jump to line"
|
|
// (response->resultClass == ResultDone && cmd.function.startsWith("jump"))
|
|
// (response->resultClass == ResultDone && cmd.function.startsWith("detach"))
|
|
// Happens when stepping finishes very quickly and issues *stopped and ^done
|
|
// instead of ^running and *stopped
|
|
// (response->resultClass == ResultDone && (cmd.flags & RunRequest));
|
|
|
|
if (!isExpectedResult) {
|
|
const DebuggerRunParameters &rp = runParameters();
|
|
Abi abi = rp.toolChainAbi;
|
|
if (abi.os() == Abi::WindowsOS
|
|
&& cmd.function.startsWith("attach")
|
|
&& (rp.startMode == AttachExternal || rp.useTerminal))
|
|
{
|
|
// Ignore spurious 'running' responses to 'attach'.
|
|
} else {
|
|
QString rsp = DebuggerResponse::stringFromResultClass(response->resultClass);
|
|
rsp = "UNEXPECTED RESPONSE '" + rsp + "' TO COMMAND '" + cmd.function + "'";
|
|
qWarning("%s", qPrintable(rsp));
|
|
showMessage(rsp);
|
|
}
|
|
}
|
|
|
|
if (!(flags & Discardable))
|
|
--m_nonDiscardableCount;
|
|
|
|
m_inUpdateLocals = (flags & InUpdateLocals);
|
|
|
|
if (cmd.callback)
|
|
cmd.callback(*response);
|
|
|
|
if (flags & RebuildBreakpointModel) {
|
|
--m_pendingBreakpointRequests;
|
|
PENDING_DEBUG(" BREAKPOINT" << cmd.function);
|
|
if (m_pendingBreakpointRequests <= 0) {
|
|
PENDING_DEBUG("\n\n ... AND TRIGGERS BREAKPOINT MODEL UPDATE\n");
|
|
attemptBreakpointSynchronization();
|
|
}
|
|
} else {
|
|
PENDING_DEBUG(" OTHER (OUT):" << cmd.function
|
|
<< "LEAVES PENDING BREAKPOINT AT" << m_pendingBreakpointRequests);
|
|
}
|
|
|
|
// Continue only if there are no commands wire anymore, so this will
|
|
// be fully synchronous.
|
|
// This is somewhat inefficient, as it makes the last command synchronous.
|
|
// An optimization would be requesting the continue immediately when the
|
|
// event loop is entered, and let individual commands have a flag to suppress
|
|
// that behavior.
|
|
if (m_commandsDoneCallback && m_commandForToken.isEmpty()) {
|
|
showMessage("ALL COMMANDS DONE; INVOKING CALLBACK");
|
|
CommandsDoneCallback cont = m_commandsDoneCallback;
|
|
m_commandsDoneCallback = 0;
|
|
if (response->resultClass != ResultRunning) //only start if the thing is not already running
|
|
(this->*cont)();
|
|
} else {
|
|
PENDING_DEBUG("MISSING TOKENS: " << m_commandForToken.keys());
|
|
}
|
|
|
|
if (m_commandForToken.isEmpty())
|
|
m_commandTimer.stop();
|
|
}
|
|
|
|
bool GdbEngine::acceptsDebuggerCommands() const
|
|
{
|
|
return true;
|
|
// return state() == InferiorStopOk
|
|
// || state() == InferiorUnrunnable;
|
|
}
|
|
|
|
void GdbEngine::executeDebuggerCommand(const QString &command, DebuggerLanguages languages)
|
|
{
|
|
if (!(languages & CppLanguage))
|
|
return;
|
|
QTC_CHECK(acceptsDebuggerCommands());
|
|
runCommand({command, NativeCommand});
|
|
}
|
|
|
|
// This is triggered when switching snapshots.
|
|
void GdbEngine::updateAll()
|
|
{
|
|
//PENDING_DEBUG("UPDATING ALL\n");
|
|
QTC_CHECK(state() == InferiorUnrunnable || state() == InferiorStopOk);
|
|
reloadModulesInternal();
|
|
DebuggerCommand cmd(stackCommand(action(MaximalStackDepth)->value().toInt()));
|
|
cmd.callback = [this](const DebuggerResponse &r) { handleStackListFrames(r, false); };
|
|
runCommand(cmd);
|
|
stackHandler()->setCurrentIndex(0);
|
|
runCommand({"-thread-info", CB(handleThreadInfo)});
|
|
reloadRegisters();
|
|
updateLocals();
|
|
}
|
|
|
|
void GdbEngine::handleQuerySources(const DebuggerResponse &response)
|
|
{
|
|
m_sourcesListUpdating = false;
|
|
if (response.resultClass == ResultDone) {
|
|
QMap<QString, QString> oldShortToFull = m_shortToFullName;
|
|
m_shortToFullName.clear();
|
|
m_fullToShortName.clear();
|
|
// "^done,files=[{file="../../../../bin/dumper/dumper.cpp",
|
|
// fullname="/data5/dev/ide/main/bin/dumper/dumper.cpp"},
|
|
GdbMi files = response.data["files"];
|
|
foreach (const GdbMi &item, files.children()) {
|
|
GdbMi fileName = item["file"];
|
|
if (fileName.data().endsWith("<built-in>"))
|
|
continue;
|
|
GdbMi fullName = item["fullname"];
|
|
QString file = fileName.data();
|
|
QString full;
|
|
if (fullName.isValid()) {
|
|
full = cleanupFullName(fullName.data());
|
|
m_fullToShortName[full] = file;
|
|
}
|
|
m_shortToFullName[file] = full;
|
|
}
|
|
if (m_shortToFullName != oldShortToFull)
|
|
sourceFilesHandler()->setSourceFiles(m_shortToFullName);
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleExecuteJumpToLine(const DebuggerResponse &response)
|
|
{
|
|
if (response.resultClass == ResultRunning) {
|
|
// All is fine. Waiting for a *running
|
|
// and the temporary breakpoint to be hit.
|
|
notifyInferiorRunOk(); // Only needed for gdb < 7.0.
|
|
} else if (response.resultClass == ResultError) {
|
|
// Could be "Unreasonable jump request" or similar.
|
|
QString out = tr("Cannot jump. Stopped");
|
|
QString msg = response.data["msg"].data();
|
|
if (!msg.isEmpty())
|
|
out += ". " + msg;
|
|
showStatusMessage(out);
|
|
notifyInferiorRunFailed();
|
|
} else if (response.resultClass == ResultDone) {
|
|
// This happens on old gdb. Trigger the effect of a '*stopped'.
|
|
showStatusMessage(tr("Jumped. Stopped"));
|
|
notifyInferiorSpontaneousStop();
|
|
handleStop2(response.data);
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleExecuteRunToLine(const DebuggerResponse &response)
|
|
{
|
|
if (response.resultClass == ResultRunning) {
|
|
// All is fine. Waiting for a *running
|
|
// and the temporary breakpoint to be hit.
|
|
} else if (response.resultClass == ResultDone) {
|
|
// This happens on old gdb (Mac). gdb is not stopped yet,
|
|
// but merely accepted the continue.
|
|
// >&"continue\n"
|
|
// >~"Continuing.\n"
|
|
//>~"testArray () at ../simple/app.cpp:241\n"
|
|
//>~"241\t s[1] = \"b\";\n"
|
|
//>122^done
|
|
showStatusMessage(tr("Target line hit. Stopped"));
|
|
notifyInferiorRunOk();
|
|
}
|
|
}
|
|
|
|
static bool isExitedReason(const QString &reason)
|
|
{
|
|
return reason == "exited-normally" // inferior exited normally
|
|
|| reason == "exited-signalled" // inferior exited because of a signal
|
|
//|| reason == "signal-received" // inferior received signal
|
|
|| reason == "exited"; // inferior exited
|
|
}
|
|
|
|
void GdbEngine::handleStopResponse(const GdbMi &data)
|
|
{
|
|
// Ignore trap on Windows terminals, which results in
|
|
// spurious "* stopped" message.
|
|
if (m_terminalTrap && (!data.isValid() || !data["reason"].isValid())
|
|
&& Abi::hostAbi().os() == Abi::WindowsOS) {
|
|
m_terminalTrap = false;
|
|
showMessage("IGNORING TERMINAL SIGTRAP", LogMisc);
|
|
return;
|
|
}
|
|
|
|
if (isDying()) {
|
|
notifyInferiorStopOk();
|
|
return;
|
|
}
|
|
|
|
GdbMi threads = data["stopped-thread"];
|
|
threadsHandler()->notifyStopped(threads.data());
|
|
|
|
const QString reason = data["reason"].data();
|
|
if (isExitedReason(reason)) {
|
|
// // The user triggered a stop, but meanwhile the app simply exited ...
|
|
// QTC_ASSERT(state() == InferiorStopRequested
|
|
// /*|| state() == InferiorStopRequested_Kill*/,
|
|
// qDebug() << state());
|
|
QString msg;
|
|
if (reason == "exited") {
|
|
msg = tr("Application exited with exit code %1")
|
|
.arg(data["exit-code"].toString());
|
|
} else if (reason == "exited-signalled" || reason == "signal-received") {
|
|
msg = tr("Application exited after receiving signal %1")
|
|
.arg(data["signal-name"].toString());
|
|
} else {
|
|
msg = tr("Application exited normally");
|
|
}
|
|
// Only show the message. Ramp-down will be triggered by -thread-group-exited.
|
|
showStatusMessage(msg);
|
|
return;
|
|
}
|
|
|
|
// Ignore signals from the process stub.
|
|
const GdbMi frame = data["frame"];
|
|
const QString func = frame["from"].data();
|
|
if (runParameters().useTerminal
|
|
&& data["reason"].data() == "signal-received"
|
|
&& data["signal-name"].data() == "SIGSTOP"
|
|
&& (func.endsWith("/ld-linux.so.2")
|
|
|| func.endsWith("/ld-linux-x86-64.so.2")))
|
|
{
|
|
showMessage("INTERNAL CONTINUE AFTER SIGSTOP FROM STUB", LogMisc);
|
|
notifyInferiorSpontaneousStop();
|
|
continueInferiorInternal();
|
|
return;
|
|
}
|
|
|
|
if (!m_onStop.isEmpty()) {
|
|
notifyInferiorStopOk();
|
|
showMessage("HANDLING QUEUED COMMANDS AFTER TEMPORARY STOP", LogMisc);
|
|
DebuggerCommandSequence seq = m_onStop;
|
|
m_onStop = DebuggerCommandSequence();
|
|
for (const DebuggerCommand &cmd : seq.commands())
|
|
runCommand(cmd);
|
|
if (seq.wantContinue())
|
|
continueInferiorInternal();
|
|
return;
|
|
}
|
|
|
|
BreakpointResponseId rid(data["bkptno"].data());
|
|
int lineNumber = 0;
|
|
QString fullName;
|
|
QString function;
|
|
QString language;
|
|
if (frame.isValid()) {
|
|
const GdbMi lineNumberG = frame["line"];
|
|
function = frame["function"].data(); // V4 protocol
|
|
if (function.isEmpty())
|
|
function = frame["func"].data(); // GDB's *stopped messages
|
|
language = frame["language"].data();
|
|
if (lineNumberG.isValid()) {
|
|
lineNumber = lineNumberG.toInt();
|
|
fullName = cleanupFullName(frame["fullname"].data());
|
|
if (fullName.isEmpty())
|
|
fullName = frame["file"].data();
|
|
} // found line number
|
|
} else {
|
|
showMessage("INVALID STOPPED REASON", LogWarning);
|
|
}
|
|
|
|
if (rid.isValid() && frame.isValid()) {
|
|
// Use opportunity to update the breakpoint marker position.
|
|
Breakpoint bp = breakHandler()->findBreakpointByResponseId(rid);
|
|
const BreakpointResponse &response = bp.response();
|
|
QString fileName = response.fileName;
|
|
if (fileName.isEmpty())
|
|
fileName = bp.fileName();
|
|
if (fileName.isEmpty())
|
|
fileName = fullName;
|
|
if (!fileName.isEmpty())
|
|
bp.setMarkerFileAndLine(fileName, lineNumber);
|
|
}
|
|
|
|
//qDebug() << "BP " << rid << data.toString();
|
|
// Quickly set the location marker.
|
|
if (lineNumber && !boolSetting(OperateByInstruction)
|
|
&& QFileInfo::exists(fullName)
|
|
&& function != "qt_v4TriggeredBreakpointHook"
|
|
&& function != "qt_qmlDebugMessageAvailable"
|
|
&& language != "js")
|
|
gotoLocation(Location(fullName, lineNumber));
|
|
|
|
if (state() == InferiorRunOk) {
|
|
// Stop triggered by a breakpoint or otherwise not directly
|
|
// initiated by the user.
|
|
notifyInferiorSpontaneousStop();
|
|
} else if (state() == InferiorRunRequested) {
|
|
// Stop triggered by something like "-exec-step\n"
|
|
// "&"Cannot access memory at address 0xbfffedd4\n"
|
|
// or, on S40,
|
|
// "*running,thread-id="30""
|
|
// "&"Warning:\n""
|
|
// "&"Cannot insert breakpoint -33.\n"
|
|
// "&"Error accessing memory address 0x11673fc: Input/output error.\n""
|
|
// In this case a proper response 94^error,msg="" will follow and
|
|
// be handled in the result handler.
|
|
// -- or --
|
|
// *stopped arriving earlier than ^done response to an -exec-step
|
|
notifyInferiorSpontaneousStop();
|
|
} else if (state() == InferiorStopOk) {
|
|
// That's expected.
|
|
} else if (state() == InferiorStopRequested) {
|
|
notifyInferiorStopOk();
|
|
} else if (state() == EngineRunRequested) {
|
|
// This is gdb 7+'s initial *stopped in response to attach that
|
|
// appears before the ^done is seen.
|
|
notifyEngineRunAndInferiorStopOk();
|
|
const DebuggerRunParameters &rp = runParameters();
|
|
if (rp.useTerminal)
|
|
continueInferiorInternal();
|
|
return;
|
|
} else {
|
|
QTC_CHECK(false);
|
|
}
|
|
|
|
CHECK_STATE(InferiorStopOk);
|
|
|
|
handleStop1(data);
|
|
}
|
|
|
|
static QString stopSignal(const Abi &abi)
|
|
{
|
|
return QLatin1String(abi.os() == Abi::WindowsOS ? "SIGTRAP" : "SIGINT");
|
|
}
|
|
|
|
void GdbEngine::handleStop1(const GdbMi &data)
|
|
{
|
|
CHECK_STATE(InferiorStopOk);
|
|
QTC_ASSERT(!isDying(), return);
|
|
const GdbMi frame = data["frame"];
|
|
const QString reason = data["reason"].data();
|
|
|
|
// This was seen on XP after removing a breakpoint while running
|
|
// >945*stopped,reason="signal-received",signal-name="SIGTRAP",
|
|
// signal-meaning="Trace/breakpoint trap",thread-id="2",
|
|
// frame={addr="0x7c91120f",func="ntdll!DbgUiConnectToDbg",
|
|
// args=[],from="C:\\WINDOWS\\system32\\ntdll.dll"}
|
|
// also seen on gdb 6.8-symbianelf without qXfer:libraries:read+;
|
|
// FIXME: remote.c parses "loaded" reply. It should be turning
|
|
// that into a TARGET_WAITKIND_LOADED. Does it?
|
|
// The bandaid here has the problem that it breaks for 'next' over a
|
|
// statement that indirectly loads shared libraries
|
|
// 6.1.2010: Breaks interrupting inferiors, disabled:
|
|
// if (reason == "signal-received"
|
|
// && data.findChild("signal-name").data() == "SIGTRAP") {
|
|
// continueInferiorInternal();
|
|
// return;
|
|
// }
|
|
|
|
// Jump over well-known frames.
|
|
static int stepCounter = 0;
|
|
if (boolSetting(SkipKnownFrames)) {
|
|
if (reason == "end-stepping-range" || reason == "function-finished") {
|
|
//showMessage(frame.toString());
|
|
QString funcName = frame["function"].data();
|
|
QString fileName = frame["file"].data();
|
|
if (isLeavableFunction(funcName, fileName)) {
|
|
//showMessage(_("LEAVING ") + funcName);
|
|
++stepCounter;
|
|
executeStepOut();
|
|
return;
|
|
}
|
|
if (isSkippableFunction(funcName, fileName)) {
|
|
//showMessage(_("SKIPPING ") + funcName);
|
|
++stepCounter;
|
|
executeStep();
|
|
return;
|
|
}
|
|
//if (stepCounter)
|
|
// qDebug() << "STEPCOUNTER:" << stepCounter;
|
|
stepCounter = 0;
|
|
}
|
|
}
|
|
|
|
// Show return value if possible, usually with reason "function-finished".
|
|
// *stopped,reason="function-finished",frame={addr="0x080556da",
|
|
// func="testReturnValue",args=[],file="/../app.cpp",
|
|
// fullname="/../app.cpp",line="1611"},gdb-result-var="$1",
|
|
// return-value="{d = 0x808d998}",thread-id="1",stopped-threads="all",
|
|
// core="1"
|
|
GdbMi resultVar = data["gdb-result-var"];
|
|
if (resultVar.isValid())
|
|
m_resultVarName = resultVar.data();
|
|
else
|
|
m_resultVarName.clear();
|
|
|
|
if (!m_systemDumpersLoaded) {
|
|
m_systemDumpersLoaded = true;
|
|
if (m_gdbVersion >= 70400 && boolSetting(LoadGdbDumpers))
|
|
runCommand({"importPlainDumpers on"});
|
|
else
|
|
runCommand({"importPlainDumpers off"});
|
|
}
|
|
|
|
handleStop2(data);
|
|
}
|
|
|
|
void GdbEngine::handleStop2(const GdbMi &data)
|
|
{
|
|
CHECK_STATE(InferiorStopOk);
|
|
QTC_ASSERT(!isDying(), return);
|
|
|
|
// A user initiated stop looks like the following. Note that there is
|
|
// this extra "stopper thread" created and "properly" reported by gdb.
|
|
//
|
|
// dNOTE: INFERIOR RUN OK
|
|
// dState changed from InferiorRunRequested(10) to InferiorRunOk(11).
|
|
// >*running,thread-id="all"
|
|
// >=thread-exited,id="11",group-id="i1"
|
|
// sThread 11 in group i1 exited
|
|
// dState changed from InferiorRunOk(11) to InferiorStopRequested(13).
|
|
// dCALL: INTERRUPT INFERIOR
|
|
// sStop requested...
|
|
// dTRYING TO INTERRUPT INFERIOR
|
|
// >=thread-created,id="12",group-id="i1"
|
|
// sThread 12 created
|
|
// >~"[New Thread 8576.0x1154]\n"
|
|
// s[New Thread 8576.0x1154]
|
|
// >*running,thread-id="all"
|
|
// >~"[Switching to Thread 8576.0x1154]\n"
|
|
// >*stopped,reason="signal-received",signal-name="SIGTRAP",
|
|
// signal-meaning="Trace/breakpointtrap",frame={addr="0x7c90120f",func=
|
|
// "ntdll!DbgUiConnectToDbg",args=[],from="C:\\WINDOWS\\system32\\ntdll.dll"},
|
|
// thread-id="12",stopped-threads="all"
|
|
// dNOTE: INFERIOR STOP OK
|
|
// dState changed from InferiorStopRequested(13) to InferiorStopOk(14).
|
|
|
|
const QString reason = data["reason"].data();
|
|
const DebuggerRunParameters &rp = runParameters();
|
|
|
|
bool isStopperThread = false;
|
|
|
|
if (rp.toolChainAbi.os() == Abi::WindowsOS
|
|
&& rp.useTerminal
|
|
&& reason == "signal-received"
|
|
&& data["signal-name"].data() == "SIGTRAP")
|
|
{
|
|
// This is the stopper thread. That also means that the
|
|
// reported thread is not the one we'd like to expose
|
|
// to the user.
|
|
isStopperThread = true;
|
|
}
|
|
|
|
if (reason == "watchpoint-trigger") {
|
|
// *stopped,reason="watchpoint-trigger",wpt={number="2",exp="*0xbfffed40"},
|
|
// value={old="1",new="0"},frame={addr="0x00451e1b",
|
|
// func="QScopedPointer",args=[{name="this",value="0xbfffed40"},
|
|
// {name="p",value="0x0"}],file="x.h",fullname="/home/.../x.h",line="95"},
|
|
// thread-id="1",stopped-threads="all",core="2"
|
|
const GdbMi wpt = data["wpt"];
|
|
const BreakpointResponseId rid(wpt["number"].data());
|
|
const Breakpoint bp = breakHandler()->findBreakpointByResponseId(rid);
|
|
const quint64 bpAddress = wpt["exp"].data().mid(1).toULongLong(0, 0);
|
|
QString msg;
|
|
if (bp.type() == WatchpointAtExpression)
|
|
msg = bp.msgWatchpointByExpressionTriggered(rid.majorPart(), bp.expression());
|
|
if (bp.type() == WatchpointAtAddress)
|
|
msg = bp.msgWatchpointByAddressTriggered(rid.majorPart(), bpAddress);
|
|
GdbMi value = data["value"];
|
|
GdbMi oldValue = value["old"];
|
|
GdbMi newValue = value["new"];
|
|
if (oldValue.isValid() && newValue.isValid()) {
|
|
msg += ' ';
|
|
msg += tr("Value changed from %1 to %2.")
|
|
.arg(oldValue.data()).arg(newValue.data());
|
|
}
|
|
showStatusMessage(msg);
|
|
} else if (reason == "breakpoint-hit") {
|
|
GdbMi gNumber = data["bkptno"]; // 'number' or 'bkptno'?
|
|
if (!gNumber.isValid())
|
|
gNumber = data["number"];
|
|
const BreakpointResponseId rid(gNumber.data());
|
|
const QString threadId = data["thread-id"].data();
|
|
const Breakpoint bp = breakHandler()->findBreakpointByResponseId(rid);
|
|
showStatusMessage(bp.msgBreakpointTriggered(rid.majorPart(), threadId));
|
|
m_currentThread = threadId;
|
|
} else {
|
|
QString reasontr = msgStopped(reason);
|
|
if (reason == "signal-received") {
|
|
QString name = data["signal-name"].data();
|
|
QString meaning = data["signal-meaning"].data();
|
|
// Ignore these as they are showing up regularly when
|
|
// stopping debugging.
|
|
if (name == stopSignal(rp.toolChainAbi) || rp.expectedSignals.contains(name)) {
|
|
showMessage(name + " CONSIDERED HARMLESS. CONTINUING.");
|
|
} else {
|
|
showMessage("HANDLING SIGNAL " + name);
|
|
if (boolSetting(UseMessageBoxForSignals) && !isStopperThread)
|
|
if (!showStoppedBySignalMessageBox(meaning, name)) {
|
|
showMessage("SIGNAL RECEIVED WHILE SHOWING SIGNAL MESSAGE");
|
|
return;
|
|
}
|
|
if (!name.isEmpty() && !meaning.isEmpty())
|
|
reasontr = msgStoppedBySignal(meaning, name);
|
|
}
|
|
}
|
|
if (reason.isEmpty())
|
|
showStatusMessage(msgStopped());
|
|
else
|
|
showStatusMessage(reasontr);
|
|
}
|
|
|
|
// Let the event loop run before deciding whether to update the stack.
|
|
m_stackNeeded = true; // setTokenBarrier() might reset this.
|
|
QTimer::singleShot(0, this, &GdbEngine::handleStop3);
|
|
}
|
|
|
|
void GdbEngine::handleStop3()
|
|
{
|
|
DebuggerCommand cmd("-thread-info", Discardable);
|
|
cmd.callback = CB(handleThreadInfo);
|
|
runCommand(cmd);
|
|
}
|
|
|
|
void GdbEngine::handleShowVersion(const DebuggerResponse &response)
|
|
{
|
|
showMessage("PARSING VERSION: " + response.toString());
|
|
if (response.resultClass == ResultDone) {
|
|
bool isMacGdb = false;
|
|
int gdbBuildVersion = -1;
|
|
m_gdbVersion = 100;
|
|
m_isQnxGdb = false;
|
|
QString msg = response.consoleStreamOutput;
|
|
extractGdbVersion(msg,
|
|
&m_gdbVersion, &gdbBuildVersion, &isMacGdb, &m_isQnxGdb);
|
|
|
|
// On Mac, FSF GDB does not work sufficiently well,
|
|
// and on Linux and Windows we require at least 7.4.1,
|
|
// on Android 7.3.1.
|
|
bool isSupported = m_gdbVersion >= 70300;
|
|
if (isSupported)
|
|
showMessage("SUPPORTED GDB VERSION " + msg);
|
|
else
|
|
showMessage("UNSUPPORTED GDB VERSION " + msg);
|
|
|
|
showMessage(QString("USING GDB VERSION: %1, BUILD: %2%3").arg(m_gdbVersion)
|
|
.arg(gdbBuildVersion).arg(QLatin1String(isMacGdb ? " (APPLE)" : "")));
|
|
|
|
if (usesExecInterrupt())
|
|
runCommand({"set target-async on", ConsoleCommand});
|
|
else
|
|
runCommand({"set target-async off", ConsoleCommand});
|
|
|
|
//runCommand("set build-id-verbose 2", ConsoleCommand);
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleListFeatures(const DebuggerResponse &response)
|
|
{
|
|
showMessage("FEATURES: " + response.toString());
|
|
}
|
|
|
|
void GdbEngine::handlePythonSetup(const DebuggerResponse &response)
|
|
{
|
|
CHECK_STATE(EngineSetupRequested);
|
|
if (response.resultClass == ResultDone) {
|
|
GdbMi data = response.data;
|
|
watchHandler()->addDumpers(data["dumpers"]);
|
|
m_pythonVersion = data["python"].toInt();
|
|
if (m_pythonVersion < 20700) {
|
|
int pythonMajor = m_pythonVersion / 10000;
|
|
int pythonMinor = (m_pythonVersion / 100) % 100;
|
|
QString out = "<p>"
|
|
+ tr("The selected build of GDB supports Python scripting, "
|
|
"but the used version %1.%2 is not sufficient for "
|
|
"Qt Creator. Supported versions are Python 2.7 and 3.x.")
|
|
.arg(pythonMajor).arg(pythonMinor);
|
|
showStatusMessage(out);
|
|
AsynchronousMessageBox::critical(tr("Execution Error"), out);
|
|
}
|
|
loadInitScript();
|
|
CHECK_STATE(EngineSetupRequested);
|
|
showMessage("ENGINE SUCCESSFULLY STARTED");
|
|
notifyEngineSetupOk();
|
|
} else {
|
|
QString msg = response.data["msg"].data();
|
|
if (msg.contains("Python scripting is not supported in this copy of GDB.")) {
|
|
QString out1 = "The selected build of GDB does not support Python scripting.";
|
|
QString out2 = "It cannot be used in Qt Creator.";
|
|
showStatusMessage(out1 + ' ' + out2);
|
|
AsynchronousMessageBox::critical(tr("Execution Error"), out1 + "<br>" + out2);
|
|
}
|
|
notifyEngineSetupFailed();
|
|
}
|
|
}
|
|
|
|
void GdbEngine::showExecutionError(const QString &message)
|
|
{
|
|
AsynchronousMessageBox::critical(tr("Execution Error"),
|
|
tr("Cannot continue debugged process:") + '\n' + message);
|
|
}
|
|
|
|
void GdbEngine::handleExecuteContinue(const DebuggerResponse &response)
|
|
{
|
|
CHECK_STATE(InferiorRunRequested);
|
|
if (response.resultClass == ResultRunning) {
|
|
// All is fine. Waiting for a *running.
|
|
notifyInferiorRunOk(); // Only needed for gdb < 7.0.
|
|
return;
|
|
}
|
|
QString msg = response.data["msg"].data();
|
|
if (msg.startsWith("Cannot find bounds of current function")) {
|
|
notifyInferiorRunFailed();
|
|
if (isDying())
|
|
return;
|
|
CHECK_STATE(InferiorStopOk);
|
|
showStatusMessage(tr("Stopped."), 5000);
|
|
reloadStack();
|
|
} else if (msg.startsWith("Cannot access memory at address")) {
|
|
// Happens on single step on ARM prolog and epilogs.
|
|
} else if (msg.startsWith("\"finish\" not meaningful in the outermost frame")) {
|
|
notifyInferiorRunFailed();
|
|
if (isDying())
|
|
return;
|
|
CHECK_STATE(InferiorStopOk);
|
|
// FIXME: Fix translation in master.
|
|
showStatusMessage(msg, 5000);
|
|
gotoLocation(stackHandler()->currentFrame());
|
|
} else if (msg.startsWith("Cannot execute this command while the selected thread is running.")) {
|
|
showExecutionError(msg);
|
|
notifyInferiorRunFailed() ;
|
|
} else {
|
|
showExecutionError(msg);
|
|
notifyInferiorIll();
|
|
}
|
|
}
|
|
|
|
QString GdbEngine::fullName(const QString &fileName)
|
|
{
|
|
if (fileName.isEmpty())
|
|
return QString();
|
|
QTC_ASSERT(!m_sourcesListUpdating, /* */);
|
|
return m_shortToFullName.value(fileName, QString());
|
|
}
|
|
|
|
QString GdbEngine::cleanupFullName(const QString &fileName)
|
|
{
|
|
QString cleanFilePath = fileName;
|
|
|
|
// Gdb running on windows often delivers "fullnames" which
|
|
// (a) have no drive letter and (b) are not normalized.
|
|
if (Abi::hostAbi().os() == Abi::WindowsOS) {
|
|
if (fileName.isEmpty())
|
|
return QString();
|
|
QFileInfo fi(fileName);
|
|
if (fi.isReadable())
|
|
cleanFilePath = QDir::cleanPath(fi.absoluteFilePath());
|
|
}
|
|
|
|
if (!boolSetting(AutoEnrichParameters))
|
|
return cleanFilePath;
|
|
|
|
const QString sysroot = runParameters().sysRoot;
|
|
if (QFileInfo(cleanFilePath).isReadable())
|
|
return cleanFilePath;
|
|
if (!sysroot.isEmpty() && fileName.startsWith('/')) {
|
|
cleanFilePath = sysroot + fileName;
|
|
if (QFileInfo(cleanFilePath).isReadable())
|
|
return cleanFilePath;
|
|
}
|
|
if (m_baseNameToFullName.isEmpty()) {
|
|
QString debugSource = sysroot + "/usr/src/debug";
|
|
if (QFileInfo(debugSource).isDir()) {
|
|
QDirIterator it(debugSource, QDirIterator::Subdirectories);
|
|
while (it.hasNext()) {
|
|
it.next();
|
|
QString name = it.fileName();
|
|
if (!name.startsWith('.')) {
|
|
QString path = it.filePath();
|
|
m_baseNameToFullName.insert(name, path);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
cleanFilePath.clear();
|
|
const QString base = FileName::fromString(fileName).fileName();
|
|
|
|
QMap<QString, QString>::const_iterator jt = m_baseNameToFullName.constFind(base);
|
|
while (jt != m_baseNameToFullName.constEnd() && jt.key() == base) {
|
|
// FIXME: Use some heuristics to find the "best" match.
|
|
return jt.value();
|
|
//++jt;
|
|
}
|
|
|
|
return cleanFilePath;
|
|
}
|
|
|
|
void GdbEngine::shutdownInferior()
|
|
{
|
|
CHECK_STATE(InferiorShutdownRequested);
|
|
DebuggerCommand cmd;
|
|
cmd.function = QLatin1String(runParameters().closeMode == DetachAtClose ? "detach " : "kill ");
|
|
cmd.callback = CB(handleInferiorShutdown);
|
|
cmd.flags = NeedsTemporaryStop|LosesChild;
|
|
runCommand(cmd);
|
|
}
|
|
|
|
void GdbEngine::handleInferiorShutdown(const DebuggerResponse &response)
|
|
{
|
|
if (response.resultClass == ResultDone) {
|
|
// We'll get async thread-group-exited responses to which we react.
|
|
// Nothing to do here.
|
|
// notifyInferiorShutdownOk();
|
|
return;
|
|
}
|
|
// "kill" got stuck, or similar.
|
|
CHECK_STATE(InferiorShutdownRequested);
|
|
QString msg = response.data["msg"].data();
|
|
if (msg.contains(": No such file or directory.")) {
|
|
// This happens when someone removed the binary behind our back.
|
|
// It is not really an error from a user's point of view.
|
|
showMessage("NOTE: " + msg);
|
|
notifyInferiorShutdownOk();
|
|
return;
|
|
}
|
|
AsynchronousMessageBox::critical(tr("Failed to shut down application"),
|
|
msgInferiorStopFailed(msg));
|
|
notifyInferiorShutdownFailed();
|
|
}
|
|
|
|
void GdbEngine::notifyAdapterShutdownFailed()
|
|
{
|
|
showMessage("ADAPTER SHUTDOWN FAILED");
|
|
CHECK_STATE(EngineShutdownRequested);
|
|
notifyEngineShutdownFailed();
|
|
}
|
|
|
|
void GdbEngine::notifyAdapterShutdownOk()
|
|
{
|
|
CHECK_STATE(EngineShutdownRequested);
|
|
showMessage(QString("INITIATE GDBENGINE SHUTDOWN IN STATE %1, PROC: %2")
|
|
.arg(lastGoodState()).arg(m_gdbProc.state()));
|
|
m_commandsDoneCallback = 0;
|
|
switch (m_gdbProc.state()) {
|
|
case QProcess::Running: {
|
|
if (runParameters().closeMode == KillAndExitMonitorAtClose)
|
|
runCommand({"monitor exit"});
|
|
runCommand({"exitGdb", ExitRequest, CB(handleGdbExit)});
|
|
break;
|
|
}
|
|
case QProcess::NotRunning:
|
|
// Cannot find executable.
|
|
notifyEngineShutdownOk();
|
|
break;
|
|
case QProcess::Starting:
|
|
showMessage("GDB NOT REALLY RUNNING; KILLING IT");
|
|
m_gdbProc.kill();
|
|
notifyEngineShutdownFailed();
|
|
break;
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleGdbExit(const DebuggerResponse &response)
|
|
{
|
|
if (response.resultClass == ResultExit) {
|
|
showMessage("GDB CLAIMS EXIT; WAITING");
|
|
// Don't set state here, this will be handled in handleGdbFinished()
|
|
//notifyEngineShutdownOk();
|
|
} else {
|
|
QString msg = msgGdbStopFailed(response.data["msg"].data());
|
|
qDebug() << QString("GDB WON'T EXIT (%1); KILLING IT").arg(msg);
|
|
showMessage(QString("GDB WON'T EXIT (%1); KILLING IT").arg(msg));
|
|
m_gdbProc.kill();
|
|
notifyEngineShutdownFailed();
|
|
}
|
|
}
|
|
|
|
void GdbEngine::setLinuxOsAbi()
|
|
{
|
|
// In case GDB has multiple supported targets, the default osabi can be Cygwin.
|
|
if (!HostOsInfo::isWindowsHost())
|
|
return;
|
|
const DebuggerRunParameters &rp = runParameters();
|
|
bool isElf = (rp.toolChainAbi.binaryFormat() == Abi::ElfFormat);
|
|
if (!isElf && !rp.inferior.executable.isEmpty()) {
|
|
isElf = Utils::anyOf(Abi::abisOfBinary(FileName::fromString(rp.inferior.executable)),
|
|
[](const Abi &abi) {
|
|
return abi.binaryFormat() == Abi::ElfFormat;
|
|
});
|
|
}
|
|
if (isElf)
|
|
runCommand({"set osabi GNU/Linux"});
|
|
}
|
|
|
|
void GdbEngine::detachDebugger()
|
|
{
|
|
CHECK_STATE(InferiorStopOk);
|
|
QTC_ASSERT(startMode() != AttachCore, qDebug() << startMode());
|
|
DebuggerCommand cmd("detach", ExitRequest);
|
|
cmd.callback = [this](const DebuggerResponse &) {
|
|
CHECK_STATE(InferiorStopOk);
|
|
notifyInferiorExited();
|
|
};
|
|
runCommand(cmd);
|
|
}
|
|
|
|
void GdbEngine::handleThreadGroupCreated(const GdbMi &result)
|
|
{
|
|
QString groupId = result["id"].data();
|
|
QString pid = result["pid"].data();
|
|
threadsHandler()->notifyGroupCreated(groupId, pid);
|
|
}
|
|
|
|
void GdbEngine::handleThreadGroupExited(const GdbMi &result)
|
|
{
|
|
QString groupId = result["id"].data();
|
|
if (threadsHandler()->notifyGroupExited(groupId)) {
|
|
if (m_rerunPending)
|
|
m_rerunPending = false;
|
|
else
|
|
notifyInferiorExited();
|
|
}
|
|
}
|
|
|
|
static QString msgNoGdbBinaryForToolChain(const Abi &tc)
|
|
{
|
|
return GdbEngine::tr("There is no GDB binary available for binaries in format \"%1\"")
|
|
.arg(tc.toString());
|
|
}
|
|
|
|
bool GdbEngine::hasCapability(unsigned cap) const
|
|
{
|
|
if (cap & (ReverseSteppingCapability
|
|
| AutoDerefPointersCapability
|
|
| DisassemblerCapability
|
|
| RegisterCapability
|
|
| ShowMemoryCapability
|
|
| JumpToLineCapability
|
|
| ReloadModuleCapability
|
|
| ReloadModuleSymbolsCapability
|
|
| BreakOnThrowAndCatchCapability
|
|
| BreakConditionCapability
|
|
| TracePointCapability
|
|
| ReturnFromFunctionCapability
|
|
| CreateFullBacktraceCapability
|
|
| WatchpointByAddressCapability
|
|
| WatchpointByExpressionCapability
|
|
| AddWatcherCapability
|
|
| AddWatcherWhileRunningCapability
|
|
| WatchWidgetsCapability
|
|
| ShowModuleSymbolsCapability
|
|
| ShowModuleSectionsCapability
|
|
| CatchCapability
|
|
| OperateByInstructionCapability
|
|
| RunToLineCapability
|
|
| WatchComplexExpressionsCapability
|
|
| MemoryAddressCapability
|
|
| AdditionalQmlStackCapability
|
|
| NativeMixedCapability
|
|
| ResetInferiorCapability))
|
|
return true;
|
|
|
|
if (runParameters().startMode == AttachCore)
|
|
return false;
|
|
|
|
// FIXME: Remove in case we have gdb 7.x on macOS.
|
|
if (runParameters().toolChainAbi.os() == Abi::DarwinOS)
|
|
return false;
|
|
|
|
return cap == SnapshotCapability;
|
|
}
|
|
|
|
|
|
void GdbEngine::continueInferiorInternal()
|
|
{
|
|
CHECK_STATE(InferiorStopOk);
|
|
notifyInferiorRunRequested();
|
|
showStatusMessage(tr("Running requested..."), 5000);
|
|
CHECK_STATE(InferiorRunRequested);
|
|
if (isNativeMixedActiveFrame()) {
|
|
DebuggerCommand cmd("executeContinue", RunRequest);
|
|
cmd.callback = CB(handleExecuteContinue);
|
|
runCommand(cmd);
|
|
} else {
|
|
DebuggerCommand cmd("-exec-continue");
|
|
cmd.flags = RunRequest | NeedsFlush;
|
|
cmd.callback = CB(handleExecuteContinue);
|
|
runCommand(cmd);
|
|
}
|
|
}
|
|
|
|
void GdbEngine::continueInferior()
|
|
{
|
|
CHECK_STATE(InferiorStopOk);
|
|
setTokenBarrier();
|
|
continueInferiorInternal();
|
|
}
|
|
|
|
void GdbEngine::executeStep()
|
|
{
|
|
CHECK_STATE(InferiorStopOk);
|
|
setTokenBarrier();
|
|
notifyInferiorRunRequested();
|
|
showStatusMessage(tr("Step requested..."), 5000);
|
|
if (isNativeMixedActiveFrame()) {
|
|
DebuggerCommand cmd("executeStep", RunRequest);
|
|
cmd.callback = CB(handleExecuteStep);
|
|
runCommand(cmd);
|
|
} else {
|
|
DebuggerCommand cmd;
|
|
cmd.flags = RunRequest|NeedsFlush;
|
|
cmd.function = QLatin1String(isReverseDebugging() ? "reverse-step" : "-exec-step");
|
|
cmd.callback = CB(handleExecuteStep);
|
|
runCommand(cmd);
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleExecuteStep(const DebuggerResponse &response)
|
|
{
|
|
if (response.resultClass == ResultDone) {
|
|
// Step was finishing too quick, and a '*stopped' messages should
|
|
// have preceded it, so just ignore this result.
|
|
QTC_CHECK(state() == InferiorStopOk);
|
|
return;
|
|
}
|
|
CHECK_STATE(InferiorRunRequested);
|
|
if (response.resultClass == ResultRunning) {
|
|
// All is fine. Waiting for a *running.
|
|
notifyInferiorRunOk(); // Only needed for gdb < 7.0.
|
|
return;
|
|
}
|
|
QString msg = response.data["msg"].data();
|
|
if (msg.startsWith("Cannot find bounds of current function")
|
|
|| msg.contains("Error accessing memory address")
|
|
|| msg.startsWith("Cannot access memory at address")) {
|
|
// On S40: "40^error,msg="Warning:\nCannot insert breakpoint -39.\n"
|
|
//" Error accessing memory address 0x11673fc: Input/output error.\n"
|
|
notifyInferiorRunFailed();
|
|
if (isDying())
|
|
return;
|
|
executeStepI(); // Fall back to instruction-wise stepping.
|
|
} else if (msg.startsWith("Cannot execute this command while the selected thread is running.")) {
|
|
showExecutionError(msg);
|
|
notifyInferiorRunFailed();
|
|
} else if (msg.startsWith("warning: SuspendThread failed")) {
|
|
// On Win: would lead to "PC register is not available" or "\312"
|
|
continueInferiorInternal();
|
|
} else {
|
|
showExecutionError(msg);
|
|
notifyInferiorIll();
|
|
}
|
|
}
|
|
|
|
void GdbEngine::executeStepI()
|
|
{
|
|
CHECK_STATE(InferiorStopOk);
|
|
setTokenBarrier();
|
|
notifyInferiorRunRequested();
|
|
showStatusMessage(tr("Step by instruction requested..."), 5000);
|
|
DebuggerCommand cmd;
|
|
cmd.flags = RunRequest|NeedsFlush;
|
|
cmd.function = QLatin1String(isReverseDebugging() ? "reverse-stepi" : "-exec-step-instruction");
|
|
cmd.callback = CB(handleExecuteContinue);
|
|
runCommand(cmd);
|
|
}
|
|
|
|
void GdbEngine::executeStepOut()
|
|
{
|
|
CHECK_STATE(InferiorStopOk);
|
|
runCommand({"-stack-select-frame 0", Discardable});
|
|
setTokenBarrier();
|
|
notifyInferiorRunRequested();
|
|
showStatusMessage(tr("Finish function requested..."), 5000);
|
|
if (isNativeMixedActiveFrame()) {
|
|
runCommand({"executeStepOut", RunRequest});
|
|
} else {
|
|
// -exec-finish in 'main' results (correctly) in
|
|
// 40^error,msg="\"finish\" not meaningful in the outermost frame."
|
|
// However, this message does not seem to get flushed before
|
|
// anything else happen - i.e. "never". Force some extra output.
|
|
runCommand({"-exec-finish", RunRequest|NeedsFlush, CB(handleExecuteContinue)});
|
|
}
|
|
}
|
|
|
|
void GdbEngine::executeNext()
|
|
{
|
|
CHECK_STATE(InferiorStopOk);
|
|
setTokenBarrier();
|
|
notifyInferiorRunRequested();
|
|
showStatusMessage(tr("Step next requested..."), 5000);
|
|
if (isNativeMixedActiveFrame()) {
|
|
runCommand({"executeNext", RunRequest});
|
|
} else {
|
|
DebuggerCommand cmd;
|
|
cmd.flags = RunRequest;
|
|
cmd.function = QLatin1String(isReverseDebugging() ? "reverse-next" : "-exec-next");
|
|
cmd.callback = CB(handleExecuteNext);
|
|
runCommand(cmd);
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleExecuteNext(const DebuggerResponse &response)
|
|
{
|
|
if (response.resultClass == ResultDone) {
|
|
// Step was finishing too quick, and a '*stopped' messages should
|
|
// have preceded it, so just ignore this result.
|
|
CHECK_STATE(InferiorStopOk);
|
|
return;
|
|
}
|
|
CHECK_STATE(InferiorRunRequested);
|
|
if (response.resultClass == ResultRunning) {
|
|
// All is fine. Waiting for a *running.
|
|
notifyInferiorRunOk(); // Only needed for gdb < 7.0.
|
|
return;
|
|
}
|
|
CHECK_STATE(InferiorStopOk);
|
|
QString msg = response.data["msg"].data();
|
|
if (msg.startsWith("Cannot find bounds of current function")
|
|
|| msg.contains("Error accessing memory address ")) {
|
|
notifyInferiorRunFailed();
|
|
if (!isDying())
|
|
executeNextI(); // Fall back to instruction-wise stepping.
|
|
} else if (msg.startsWith("Cannot execute this command while the selected thread is running.")) {
|
|
showExecutionError(msg);
|
|
notifyInferiorRunFailed();
|
|
} else {
|
|
AsynchronousMessageBox::critical(tr("Execution Error"),
|
|
tr("Cannot continue debugged process:") + '\n' + msg);
|
|
notifyInferiorIll();
|
|
}
|
|
}
|
|
|
|
void GdbEngine::executeNextI()
|
|
{
|
|
CHECK_STATE(InferiorStopOk);
|
|
setTokenBarrier();
|
|
notifyInferiorRunRequested();
|
|
showStatusMessage(tr("Step next instruction requested..."), 5000);
|
|
DebuggerCommand cmd;
|
|
cmd.flags = RunRequest;
|
|
cmd.function = QLatin1String(isReverseDebugging() ? "reverse-nexti" : "-exec-next-instruction");
|
|
cmd.callback = CB(handleExecuteContinue);
|
|
runCommand(cmd);
|
|
}
|
|
|
|
static QString addressSpec(quint64 address)
|
|
{
|
|
return "*0x" + QString::number(address, 16);
|
|
}
|
|
|
|
void GdbEngine::executeRunToLine(const ContextData &data)
|
|
{
|
|
CHECK_STATE(InferiorStopOk);
|
|
setTokenBarrier();
|
|
notifyInferiorRunRequested();
|
|
showStatusMessage(tr("Run to line %1 requested...").arg(data.lineNumber), 5000);
|
|
#if 1
|
|
QString loc;
|
|
if (data.address)
|
|
loc = addressSpec(data.address);
|
|
else
|
|
loc = '"' + breakLocation(data.fileName) + '"' + ':' + QString::number(data.lineNumber);
|
|
runCommand({"tbreak " + loc});
|
|
|
|
runCommand({"continue", NativeCommand|RunRequest, CB(handleExecuteRunToLine)});
|
|
#else
|
|
// Seems to jump to unpredicatable places. Observed in the manual
|
|
// tests in the Foo::Foo() constructor with both gdb 6.8 and 7.1.
|
|
QString args = '"' + breakLocation(fileName) + '"' + ':' + QString::number(lineNumber);
|
|
runCommand("-exec-until " + args, RunRequest, CB(handleExecuteContinue));
|
|
#endif
|
|
}
|
|
|
|
void GdbEngine::executeRunToFunction(const QString &functionName)
|
|
{
|
|
CHECK_STATE(InferiorStopOk);
|
|
setTokenBarrier();
|
|
runCommand({"-break-insert -t " + functionName});
|
|
showStatusMessage(tr("Run to function %1 requested...").arg(functionName), 5000);
|
|
continueInferiorInternal();
|
|
}
|
|
|
|
void GdbEngine::executeJumpToLine(const ContextData &data)
|
|
{
|
|
CHECK_STATE(InferiorStopOk);
|
|
QString loc;
|
|
if (data.address)
|
|
loc = addressSpec(data.address);
|
|
else
|
|
loc = '"' + breakLocation(data.fileName) + '"' + ':' + QString::number(data.lineNumber);
|
|
runCommand({"tbreak " + loc});
|
|
notifyInferiorRunRequested();
|
|
|
|
runCommand({"jump " + loc, RunRequest, CB(handleExecuteJumpToLine)});
|
|
// will produce something like
|
|
// &"jump \"/home/apoenitz/dev/work/test1/test1.cpp\":242"
|
|
// ~"Continuing at 0x4058f3."
|
|
// ~"run1 (argc=1, argv=0x7fffbf1f5538) at test1.cpp:242"
|
|
// ~"242\t x *= 2;"
|
|
// 23^done"
|
|
}
|
|
|
|
void GdbEngine::executeReturn()
|
|
{
|
|
CHECK_STATE(InferiorStopOk);
|
|
setTokenBarrier();
|
|
notifyInferiorRunRequested();
|
|
showStatusMessage(tr("Immediate return from function requested..."), 5000);
|
|
runCommand({"-exec-return", RunRequest, CB(handleExecuteReturn)});
|
|
}
|
|
|
|
void GdbEngine::handleExecuteReturn(const DebuggerResponse &response)
|
|
{
|
|
if (response.resultClass == ResultDone) {
|
|
notifyInferiorStopOk();
|
|
updateAll();
|
|
return;
|
|
}
|
|
notifyInferiorRunFailed();
|
|
}
|
|
|
|
/*!
|
|
Discards the results of all pending watch-updating commands.
|
|
|
|
This function is called at the beginning of all step, next, finish, and so on,
|
|
debugger functions.
|
|
If non-watch-updating commands with call-backs are still in the pipe,
|
|
it will complain.
|
|
*/
|
|
void GdbEngine::setTokenBarrier()
|
|
{
|
|
//QTC_ASSERT(m_nonDiscardableCount == 0, /**/);
|
|
bool good = true;
|
|
QHashIterator<int, DebuggerCommand> it(m_commandForToken);
|
|
while (it.hasNext()) {
|
|
it.next();
|
|
if (!(m_flagsForToken.value(it.key()) & Discardable)) {
|
|
qDebug() << "TOKEN: " << it.key() << "CMD:" << it.value().function;
|
|
good = false;
|
|
}
|
|
}
|
|
QTC_ASSERT(good, return);
|
|
PENDING_DEBUG("\n--- token barrier ---\n");
|
|
showMessage("--- token barrier ---", LogMiscInput);
|
|
if (boolSetting(LogTimeStamps))
|
|
showMessage(LogWindow::logTimeStamp(), LogMiscInput);
|
|
m_oldestAcceptableToken = currentToken();
|
|
m_stackNeeded = false;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Breakpoint specific stuff
|
|
//
|
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
void GdbEngine::updateResponse(BreakpointResponse &response, const GdbMi &bkpt)
|
|
{
|
|
QTC_ASSERT(bkpt.isValid(), return);
|
|
|
|
QString originalLocation;
|
|
QString file;
|
|
QString fullName;
|
|
|
|
response.multiple = false;
|
|
response.enabled = true;
|
|
response.pending = false;
|
|
response.condition.clear();
|
|
foreach (const GdbMi &child, bkpt.children()) {
|
|
if (child.hasName("number")) {
|
|
response.id = BreakpointResponseId(child.data());
|
|
} else if (child.hasName("func")) {
|
|
response.functionName = child.data();
|
|
} else if (child.hasName("addr")) {
|
|
// <MULTIPLE> happens in constructors, inline functions, and
|
|
// at other places like 'foreach' lines. In this case there are
|
|
// fields named "addr" in the response and/or the address
|
|
// is called <MULTIPLE>.
|
|
//qDebug() << "ADDR: " << child.data() << (child.data() == "<MULTIPLE>");
|
|
if (child.data() == "<MULTIPLE>")
|
|
response.multiple = true;
|
|
if (child.data().startsWith("0x"))
|
|
response.address = child.toAddress();
|
|
} else if (child.hasName("file")) {
|
|
file = child.data();
|
|
} else if (child.hasName("fullname")) {
|
|
fullName = child.data();
|
|
} else if (child.hasName("line")) {
|
|
// The line numbers here are the uncorrected ones. So don't
|
|
// change it if we know better already.
|
|
if (response.correctedLineNumber == 0)
|
|
response.lineNumber = child.toInt();
|
|
} else if (child.hasName("cond")) {
|
|
// gdb 6.3 likes to "rewrite" conditions. Just accept that fact.
|
|
response.condition = child.data();
|
|
} else if (child.hasName("enabled")) {
|
|
response.enabled = (child.data() == "y");
|
|
} else if (child.hasName("disp")) {
|
|
response.oneShot = child.data() == "del";
|
|
} else if (child.hasName("pending")) {
|
|
// Any content here would be interesting only if we did accept
|
|
// spontaneously appearing breakpoints (user using gdb commands).
|
|
if (file.isEmpty())
|
|
file = child.data();
|
|
response.pending = true;
|
|
} else if (child.hasName("at")) {
|
|
// Happens with gdb 6.4 symbianelf.
|
|
QString ba = child.data();
|
|
if (ba.startsWith('<') && ba.endsWith('>'))
|
|
ba = ba.mid(1, ba.size() - 2);
|
|
response.functionName = ba;
|
|
} else if (child.hasName("thread")) {
|
|
response.threadSpec = child.toInt();
|
|
} else if (child.hasName("type")) {
|
|
// "breakpoint", "hw breakpoint", "tracepoint", "hw watchpoint"
|
|
// {bkpt={number="2",type="hw watchpoint",disp="keep",enabled="y",
|
|
// what="*0xbfffed48",times="0",original-location="*0xbfffed48"}}
|
|
if (child.data().contains("tracepoint")) {
|
|
response.tracepoint = true;
|
|
} else if (child.data() == "hw watchpoint" || child.data() == "watchpoint") {
|
|
QString what = bkpt["what"].data();
|
|
if (what.startsWith("*0x")) {
|
|
response.type = WatchpointAtAddress;
|
|
response.address = what.mid(1).toULongLong(0, 0);
|
|
} else {
|
|
response.type = WatchpointAtExpression;
|
|
response.expression = what;
|
|
}
|
|
} else if (child.data() == "breakpoint") {
|
|
QString catchType = bkpt["catch-type"].data();
|
|
if (catchType == "throw")
|
|
response.type = BreakpointAtThrow;
|
|
else if (catchType == "catch")
|
|
response.type = BreakpointAtCatch;
|
|
else if (catchType == "fork")
|
|
response.type = BreakpointAtFork;
|
|
else if (catchType == "exec")
|
|
response.type = BreakpointAtExec;
|
|
else if (catchType == "syscall")
|
|
response.type = BreakpointAtSysCall;
|
|
}
|
|
} else if (child.hasName("times")) {
|
|
response.hitCount = child.toInt();
|
|
} else if (child.hasName("original-location")) {
|
|
originalLocation = child.data();
|
|
}
|
|
// This field is not present. Contents needs to be parsed from
|
|
// the plain "ignore" response.
|
|
//else if (child.hasName("ignore"))
|
|
// response.ignoreCount = child.data();
|
|
}
|
|
|
|
QString name;
|
|
if (!fullName.isEmpty()) {
|
|
name = cleanupFullName(fullName);
|
|
response.fileName = name;
|
|
//if (data->markerFileName().isEmpty())
|
|
// data->setMarkerFileName(name);
|
|
} else {
|
|
name = file;
|
|
// Use fullName() once we have a mapping which is more complete than
|
|
// gdb's own. No point in assigning markerFileName for now.
|
|
}
|
|
if (!name.isEmpty())
|
|
response.fileName = name;
|
|
|
|
if (response.fileName.isEmpty())
|
|
response.updateLocation(originalLocation);
|
|
}
|
|
|
|
QString GdbEngine::breakLocation(const QString &file) const
|
|
{
|
|
QString where = m_fullToShortName.value(file);
|
|
if (where.isEmpty())
|
|
return FileName::fromString(file).fileName();
|
|
return where;
|
|
}
|
|
|
|
QString GdbEngine::breakpointLocation(const BreakpointParameters &data)
|
|
{
|
|
QTC_ASSERT(data.type != UnknownBreakpointType, return QString());
|
|
// FIXME: Non-GCC-runtime
|
|
if (data.type == BreakpointAtThrow)
|
|
return QLatin1String("__cxa_throw");
|
|
if (data.type == BreakpointAtCatch)
|
|
return QLatin1String("__cxa_begin_catch");
|
|
if (data.type == BreakpointAtMain)
|
|
return mainFunction(runParameters());
|
|
if (data.type == BreakpointByFunction)
|
|
return '"' + data.functionName + '"';
|
|
if (data.type == BreakpointByAddress)
|
|
return addressSpec(data.address);
|
|
|
|
BreakpointPathUsage usage = data.pathUsage;
|
|
if (usage == BreakpointPathUsageEngineDefault)
|
|
usage = BreakpointUseShortPath;
|
|
|
|
const QString fileName = usage == BreakpointUseFullPath
|
|
? data.fileName : breakLocation(data.fileName);
|
|
// The argument is simply a C-quoted version of the argument to the
|
|
// non-MI "break" command, including the "original" quoting it wants.
|
|
return "\"\\\"" + GdbMi::escapeCString(fileName) + "\\\":"
|
|
+ QString::number(data.lineNumber) + '"';
|
|
}
|
|
|
|
QString GdbEngine::breakpointLocation2(const BreakpointParameters &data)
|
|
{
|
|
BreakpointPathUsage usage = data.pathUsage;
|
|
if (usage == BreakpointPathUsageEngineDefault)
|
|
usage = BreakpointUseShortPath;
|
|
|
|
const QString fileName = usage == BreakpointUseFullPath
|
|
? data.fileName : breakLocation(data.fileName);
|
|
return GdbMi::escapeCString(fileName) + ':' + QString::number(data.lineNumber);
|
|
}
|
|
|
|
void GdbEngine::handleInsertInterpreterBreakpoint(const DebuggerResponse &response, Breakpoint bp)
|
|
{
|
|
BreakpointResponse br = bp.response();
|
|
bool pending = response.data["pending"].toInt();
|
|
if (pending) {
|
|
bp.notifyBreakpointInsertOk();
|
|
} else {
|
|
br.id = BreakpointResponseId(response.data["number"].data());
|
|
updateResponse(br, response.data);
|
|
bp.setResponse(br);
|
|
bp.notifyBreakpointInsertOk();
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleInterpreterBreakpointModified(const GdbMi &data)
|
|
{
|
|
BreakpointModelId id(data["modelid"].data());
|
|
Breakpoint bp = breakHandler()->breakpointById(id);
|
|
BreakpointResponse br = bp.response();
|
|
updateResponse(br, data);
|
|
bp.setResponse(br);
|
|
}
|
|
|
|
void GdbEngine::handleWatchInsert(const DebuggerResponse &response, Breakpoint bp)
|
|
{
|
|
if (bp && response.resultClass == ResultDone) {
|
|
BreakpointResponse br = bp.response();
|
|
// "Hardware watchpoint 2: *0xbfffed40\n"
|
|
QString ba = response.consoleStreamOutput;
|
|
GdbMi wpt = response.data["wpt"];
|
|
if (wpt.isValid()) {
|
|
// Mac yields:
|
|
//>32^done,wpt={number="4",exp="*4355182176"}
|
|
br.id = BreakpointResponseId(wpt["number"].data());
|
|
QString exp = wpt["exp"].data();
|
|
if (exp.startsWith('*'))
|
|
br.address = exp.mid(1).toULongLong(0, 0);
|
|
bp.setResponse(br);
|
|
QTC_CHECK(!bp.needsChange());
|
|
bp.notifyBreakpointInsertOk();
|
|
} else if (ba.startsWith("Hardware watchpoint ")
|
|
|| ba.startsWith("Watchpoint ")) {
|
|
// Non-Mac: "Hardware watchpoint 2: *0xbfffed40\n"
|
|
const int end = ba.indexOf(':');
|
|
const int begin = ba.lastIndexOf(' ', end) + 1;
|
|
const QString address = ba.mid(end + 2).trimmed();
|
|
br.id = BreakpointResponseId(ba.mid(begin, end - begin));
|
|
if (address.startsWith('*'))
|
|
br.address = address.mid(1).toULongLong(0, 0);
|
|
bp.setResponse(br);
|
|
QTC_CHECK(!bp.needsChange());
|
|
bp.notifyBreakpointInsertOk();
|
|
} else {
|
|
showMessage("CANNOT PARSE WATCHPOINT FROM " + ba);
|
|
}
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleCatchInsert(const DebuggerResponse &response, Breakpoint bp)
|
|
{
|
|
if (bp && response.resultClass == ResultDone)
|
|
bp.notifyBreakpointInsertOk();
|
|
}
|
|
|
|
void GdbEngine::handleBkpt(const GdbMi &bkpt, Breakpoint bp)
|
|
{
|
|
BreakpointResponse br = bp.response();
|
|
QTC_ASSERT(bp, return);
|
|
const QString nr = bkpt["number"].data();
|
|
const BreakpointResponseId rid(nr);
|
|
QTC_ASSERT(rid.isValid(), return);
|
|
if (nr.contains('.')) {
|
|
// A sub-breakpoint.
|
|
BreakpointResponse sub;
|
|
updateResponse(sub, bkpt);
|
|
sub.id = rid;
|
|
sub.type = bp.type();
|
|
bp.insertSubBreakpoint(sub);
|
|
return;
|
|
}
|
|
|
|
// The MI output format might change, see
|
|
// http://permalink.gmane.org/gmane.comp.gdb.patches/83936
|
|
const GdbMi locations = bkpt["locations"];
|
|
if (locations.isValid()) {
|
|
foreach (const GdbMi &loc, locations.children()) {
|
|
// A sub-breakpoint.
|
|
const QString subnr = loc["number"].data();
|
|
const BreakpointResponseId subrid(subnr);
|
|
BreakpointResponse sub;
|
|
updateResponse(sub, loc);
|
|
sub.id = subrid;
|
|
sub.type = br.type;
|
|
bp.insertSubBreakpoint(sub);
|
|
}
|
|
}
|
|
|
|
// A (the?) primary breakpoint.
|
|
updateResponse(br, bkpt);
|
|
br.id = rid;
|
|
bp.setResponse(br);
|
|
}
|
|
|
|
void GdbEngine::handleBreakInsert1(const DebuggerResponse &response, Breakpoint bp)
|
|
{
|
|
if (bp.state() == BreakpointRemoveRequested) {
|
|
if (response.resultClass == ResultDone) {
|
|
// This delete was deferred. Act now.
|
|
const GdbMi mainbkpt = response.data["bkpt"];
|
|
bp.notifyBreakpointRemoveProceeding();
|
|
DebuggerCommand cmd("-break-delete " + mainbkpt["number"].data());
|
|
cmd.flags = NeedsTemporaryStop | RebuildBreakpointModel;
|
|
runCommand(cmd);
|
|
bp.notifyBreakpointRemoveOk();
|
|
return;
|
|
}
|
|
}
|
|
if (response.resultClass == ResultDone) {
|
|
// The result is a list with the first entry marked "bkpt"
|
|
// and "unmarked" rest. The "bkpt" one seems to always be
|
|
// the "main" entry. Use the "main" entry to retrieve the
|
|
// already known data from the BreakpointManager, and then
|
|
// iterate over all items to update main- and sub-data.
|
|
foreach (const GdbMi &bkpt, response.data.children())
|
|
handleBkpt(bkpt, bp);
|
|
if (bp.needsChange()) {
|
|
bp.notifyBreakpointChangeAfterInsertNeeded();
|
|
changeBreakpoint(bp);
|
|
} else {
|
|
bp.notifyBreakpointInsertOk();
|
|
}
|
|
} else if (response.data["msg"].data().contains("Unknown option")) {
|
|
// Older version of gdb don't know the -a option to set tracepoints
|
|
// ^error,msg="mi_cmd_break_insert: Unknown option ``a''"
|
|
const QString fileName = bp.fileName();
|
|
const int lineNumber = bp.lineNumber();
|
|
DebuggerCommand cmd("trace \"" + GdbMi::escapeCString(fileName) + "\":"
|
|
+ QString::number(lineNumber),
|
|
NeedsTemporaryStop | RebuildBreakpointModel);
|
|
runCommand(cmd);
|
|
} else {
|
|
// Some versions of gdb like "GNU gdb (GDB) SUSE (6.8.91.20090930-2.4)"
|
|
// know how to do pending breakpoints using CLI but not MI. So try
|
|
// again with MI.
|
|
DebuggerCommand cmd("break " + breakpointLocation2(bp.parameters()),
|
|
NeedsTemporaryStop | RebuildBreakpointModel);
|
|
cmd.callback = [this, bp](const DebuggerResponse &r) { handleBreakInsert2(r, bp); };
|
|
runCommand(cmd);
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleBreakInsert2(const DebuggerResponse &response, Breakpoint bp)
|
|
{
|
|
if (response.resultClass == ResultDone) {
|
|
QTC_ASSERT(bp, return);
|
|
bp.notifyBreakpointInsertOk();
|
|
} else {
|
|
// Note: gdb < 60800 doesn't "do" pending breakpoints.
|
|
// Not much we can do about it except implementing the
|
|
// logic on top of shared library events, and that's not
|
|
// worth the effort.
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleBreakDisable(const DebuggerResponse &response, Breakpoint bp)
|
|
{
|
|
QTC_CHECK(response.resultClass == ResultDone);
|
|
// This should only be the requested state.
|
|
QTC_ASSERT(!bp.isEnabled(), /* Prevent later recursion */);
|
|
BreakpointResponse br = bp.response();
|
|
br.enabled = false;
|
|
bp.setResponse(br);
|
|
changeBreakpoint(bp); // Maybe there's more to do.
|
|
}
|
|
|
|
void GdbEngine::handleBreakEnable(const DebuggerResponse &response, Breakpoint bp)
|
|
{
|
|
QTC_CHECK(response.resultClass == ResultDone);
|
|
// This should only be the requested state.
|
|
QTC_ASSERT(bp.isEnabled(), /* Prevent later recursion */);
|
|
BreakpointResponse br = bp.response();
|
|
br.enabled = true;
|
|
bp.setResponse(br);
|
|
changeBreakpoint(bp); // Maybe there's more to do.
|
|
}
|
|
|
|
void GdbEngine::handleBreakThreadSpec(const DebuggerResponse &response, Breakpoint bp)
|
|
{
|
|
QTC_CHECK(response.resultClass == ResultDone);
|
|
BreakpointResponse br = bp.response();
|
|
br.threadSpec = bp.threadSpec();
|
|
bp.setResponse(br);
|
|
bp.notifyBreakpointNeedsReinsertion();
|
|
insertBreakpoint(bp);
|
|
}
|
|
|
|
void GdbEngine::handleBreakLineNumber(const DebuggerResponse &response, Breakpoint bp)
|
|
{
|
|
QTC_CHECK(response.resultClass == ResultDone);
|
|
BreakpointResponse br = bp.response();
|
|
br.lineNumber = bp.lineNumber();
|
|
bp.setResponse(br);
|
|
bp.notifyBreakpointNeedsReinsertion();
|
|
insertBreakpoint(bp);
|
|
}
|
|
|
|
void GdbEngine::handleBreakIgnore(const DebuggerResponse &response, Breakpoint bp)
|
|
{
|
|
// gdb 6.8:
|
|
// ignore 2 0:
|
|
// ~"Will stop next time breakpoint 2 is reached.\n"
|
|
// 28^done
|
|
// ignore 2 12:
|
|
// &"ignore 2 12\n"
|
|
// ~"Will ignore next 12 crossings of breakpoint 2.\n"
|
|
// 29^done
|
|
//
|
|
// gdb 6.3 does not produce any console output
|
|
QTC_CHECK(response.resultClass == ResultDone);
|
|
//QString msg = _(response.consoleStreamOutput);
|
|
BreakpointResponse br = bp.response();
|
|
//if (msg.contains(__("Will stop next time breakpoint")))
|
|
// response.ignoreCount = _("0");
|
|
//else if (msg.contains(__("Will ignore next")))
|
|
// response.ignoreCount = data->ignoreCount;
|
|
// FIXME: this assumes it is doing the right thing...
|
|
const BreakpointParameters ¶meters = bp.parameters();
|
|
br.ignoreCount = parameters.ignoreCount;
|
|
br.command = parameters.command;
|
|
bp.setResponse(br);
|
|
changeBreakpoint(bp); // Maybe there's more to do.
|
|
}
|
|
|
|
void GdbEngine::handleBreakCondition(const DebuggerResponse &, Breakpoint bp)
|
|
{
|
|
// Can happen at invalid condition strings.
|
|
//QTC_CHECK(response.resultClass == ResultDone)
|
|
// We just assume it was successful. Otherwise we had to parse
|
|
// the output stream data.
|
|
// The following happens on Mac:
|
|
// QByteArray msg = response.data.findChild("msg").data();
|
|
// if (msg.startsWith("Error parsing breakpoint condition. "
|
|
// " Will try again when we hit the breakpoint."))
|
|
BreakpointResponse br = bp.response();
|
|
br.condition = bp.condition();
|
|
bp.setResponse(br);
|
|
changeBreakpoint(bp); // Maybe there's more to do.
|
|
}
|
|
|
|
bool GdbEngine::stateAcceptsBreakpointChanges() const
|
|
{
|
|
switch (state()) {
|
|
case InferiorSetupRequested:
|
|
case InferiorRunRequested:
|
|
case InferiorRunOk:
|
|
case InferiorStopRequested:
|
|
case InferiorStopOk:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool GdbEngine::acceptsBreakpoint(Breakpoint bp) const
|
|
{
|
|
if (runParameters().startMode == AttachCore)
|
|
return false;
|
|
if (bp.parameters().isCppBreakpoint())
|
|
return true;
|
|
return isNativeMixedEnabled();
|
|
}
|
|
|
|
void GdbEngine::insertBreakpoint(Breakpoint bp)
|
|
{
|
|
// Set up fallback in case of pending breakpoints which aren't handled
|
|
// by the MI interface.
|
|
QTC_CHECK(bp.state() == BreakpointInsertRequested);
|
|
bp.notifyBreakpointInsertProceeding();
|
|
|
|
const BreakpointParameters &data = bp.parameters();
|
|
|
|
if (!data.isCppBreakpoint()) {
|
|
DebuggerCommand cmd("insertInterpreterBreakpoint", NeedsTemporaryStop);
|
|
bp.addToCommand(&cmd);
|
|
cmd.callback = [this, bp](const DebuggerResponse &r) { handleInsertInterpreterBreakpoint(r, bp); };
|
|
runCommand(cmd);
|
|
return;
|
|
}
|
|
|
|
const auto handleWatch = [this, bp](const DebuggerResponse &r) { handleWatchInsert(r, bp); };
|
|
const auto handleCatch = [this, bp](const DebuggerResponse &r) { handleCatchInsert(r, bp); };
|
|
|
|
BreakpointType type = bp.type();
|
|
|
|
DebuggerCommand cmd;
|
|
if (type == WatchpointAtAddress) {
|
|
cmd.function = "watch " + addressSpec(bp.address());
|
|
cmd.callback = handleWatch;
|
|
} else if (type == WatchpointAtExpression) {
|
|
cmd.function = "watch " + bp.expression();
|
|
cmd.callback = handleWatch;
|
|
} else if (type == BreakpointAtFork) {
|
|
cmd.function = "catch fork";
|
|
cmd.callback = handleCatch;
|
|
cmd.flags = NeedsTemporaryStop | RebuildBreakpointModel;
|
|
runCommand(cmd);
|
|
// Another one...
|
|
cmd.function = "catch vfork";
|
|
} else if (type == BreakpointAtExec) {
|
|
cmd.function = "catch exec";
|
|
cmd.callback = handleCatch;
|
|
} else if (type == BreakpointAtSysCall) {
|
|
cmd.function = "catch syscall";
|
|
cmd.callback = handleCatch;
|
|
} else {
|
|
if (bp.isTracepoint()) {
|
|
cmd.function = "-break-insert -a -f ";
|
|
} else {
|
|
int spec = bp.threadSpec();
|
|
cmd.function = "-break-insert ";
|
|
if (spec >= 0)
|
|
cmd.function += "-p " + QString::number(spec);
|
|
cmd.function += " -f ";
|
|
}
|
|
|
|
if (bp.isOneShot())
|
|
cmd.function += "-t ";
|
|
|
|
if (!bp.isEnabled())
|
|
cmd.function += "-d ";
|
|
|
|
if (int ignoreCount = bp.ignoreCount())
|
|
cmd.function += "-i " + QString::number(ignoreCount) + ' ';
|
|
|
|
QString condition = bp.condition();
|
|
if (!condition.isEmpty())
|
|
cmd.function += " -c \"" + condition.replace('"', "\\\"") + "\" ";
|
|
|
|
cmd.function += breakpointLocation(bp.parameters());
|
|
cmd.callback = [this, bp](const DebuggerResponse &r) { handleBreakInsert1(r, bp); };
|
|
}
|
|
cmd.flags = NeedsTemporaryStop | RebuildBreakpointModel;
|
|
runCommand(cmd);
|
|
}
|
|
|
|
void GdbEngine::changeBreakpoint(Breakpoint bp)
|
|
{
|
|
const BreakpointParameters &data = bp.parameters();
|
|
QTC_ASSERT(data.type != UnknownBreakpointType, return);
|
|
const BreakpointResponse &response = bp.response();
|
|
QTC_ASSERT(response.id.isValid(), return);
|
|
const QString bpnr = response.id.toString();
|
|
const BreakpointState state = bp.state();
|
|
if (state == BreakpointChangeRequested)
|
|
bp.notifyBreakpointChangeProceeding();
|
|
const BreakpointState state2 = bp.state();
|
|
QTC_ASSERT(state2 == BreakpointChangeProceeding, qDebug() << state2);
|
|
|
|
DebuggerCommand cmd;
|
|
if (!response.pending && data.threadSpec != response.threadSpec) {
|
|
// The only way to change this seems to be to re-set the bp completely.
|
|
cmd.function = "-break-delete " + bpnr;
|
|
cmd.callback = [this, bp](const DebuggerResponse &r) { handleBreakThreadSpec(r, bp); };
|
|
} else if (!response.pending && data.lineNumber != response.lineNumber) {
|
|
// The only way to change this seems to be to re-set the bp completely.
|
|
cmd.function = "-break-delete " + bpnr;
|
|
cmd.callback = [this, bp](const DebuggerResponse &r) { handleBreakLineNumber(r, bp); };
|
|
} else if (data.command != response.command) {
|
|
cmd.function = "-break-commands " + bpnr;
|
|
foreach (const QString &command, data.command.split(QLatin1String("\n"))) {
|
|
if (!command.isEmpty())
|
|
cmd.function += " \"" + command + '"';
|
|
}
|
|
cmd.callback = [this, bp](const DebuggerResponse &r) { handleBreakIgnore(r, bp); };
|
|
} else if (!data.conditionsMatch(response.condition)) {
|
|
cmd.function = "condition " + bpnr + ' ' + data.condition;
|
|
cmd.callback = [this, bp](const DebuggerResponse &r) { handleBreakCondition(r, bp); };
|
|
} else if (data.ignoreCount != response.ignoreCount) {
|
|
cmd.function = "ignore " + bpnr + ' ' + QString::number(data.ignoreCount);
|
|
cmd.callback = [this, bp](const DebuggerResponse &r) { handleBreakIgnore(r, bp); };
|
|
} else if (!data.enabled && response.enabled) {
|
|
cmd.function = "-break-disable " + bpnr;
|
|
cmd.callback = [this, bp](const DebuggerResponse &r) { handleBreakDisable(r, bp); };
|
|
} else if (data.enabled && !response.enabled) {
|
|
cmd.function = "-break-enable " + bpnr;
|
|
cmd.callback = [this, bp](const DebuggerResponse &r) { handleBreakEnable(r, bp); };
|
|
} else {
|
|
bp.notifyBreakpointChangeOk();
|
|
return;
|
|
}
|
|
cmd.flags = NeedsTemporaryStop | RebuildBreakpointModel;
|
|
runCommand(cmd);
|
|
}
|
|
|
|
void GdbEngine::removeBreakpoint(Breakpoint bp)
|
|
{
|
|
QTC_CHECK(bp.state() == BreakpointRemoveRequested);
|
|
BreakpointResponse br = bp.response();
|
|
|
|
const BreakpointParameters &data = bp.parameters();
|
|
if (!data.isCppBreakpoint()) {
|
|
DebuggerCommand cmd("removeInterpreterBreakpoint");
|
|
bp.addToCommand(&cmd);
|
|
runCommand(cmd);
|
|
bp.notifyBreakpointRemoveOk();
|
|
return;
|
|
}
|
|
|
|
if (br.id.isValid()) {
|
|
// We already have a fully inserted breakpoint.
|
|
bp.notifyBreakpointRemoveProceeding();
|
|
showMessage(QString("DELETING BP %1 IN %2").arg(br.id.toString()).arg(bp.fileName()));
|
|
DebuggerCommand cmd("-break-delete " + br.id.toString(), NeedsTemporaryStop | RebuildBreakpointModel);
|
|
runCommand(cmd);
|
|
|
|
// Pretend it succeeds without waiting for response. Feels better.
|
|
// Otherwise, clicking in the gutter leaves the breakpoint visible
|
|
// for quite some time, so the user assumes a mis-click and clicks
|
|
// again, effectivly re-introducing the breakpoint.
|
|
bp.notifyBreakpointRemoveOk();
|
|
|
|
} else {
|
|
// Breakpoint was scheduled to be inserted, but we haven't had
|
|
// an answer so far. Postpone activity by doing nothing.
|
|
}
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Modules specific stuff
|
|
//
|
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
static QString dotEscape(QString str)
|
|
{
|
|
str.replace(' ', '.');
|
|
str.replace('\\', '.');
|
|
str.replace('/', '.');
|
|
return str;
|
|
}
|
|
|
|
void GdbEngine::loadSymbols(const QString &modulePath)
|
|
{
|
|
// FIXME: gdb does not understand quoted names here (tested with 6.8)
|
|
runCommand({"sharedlibrary " + dotEscape(modulePath)});
|
|
reloadModulesInternal();
|
|
reloadStack();
|
|
updateLocals();
|
|
}
|
|
|
|
void GdbEngine::loadAllSymbols()
|
|
{
|
|
runCommand({"sharedlibrary .*"});
|
|
reloadModulesInternal();
|
|
reloadStack();
|
|
updateLocals();
|
|
}
|
|
|
|
void GdbEngine::loadSymbolsForStack()
|
|
{
|
|
bool needUpdate = false;
|
|
const Modules &modules = modulesHandler()->modules();
|
|
foreach (const StackFrame &frame, stackHandler()->frames()) {
|
|
if (frame.function == "??") {
|
|
//qDebug() << "LOAD FOR " << frame.address;
|
|
foreach (const Module &module, modules) {
|
|
if (module.startAddress <= frame.address
|
|
&& frame.address < module.endAddress) {
|
|
runCommand({"sharedlibrary " + dotEscape(module.modulePath)});
|
|
needUpdate = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (needUpdate) {
|
|
//reloadModulesInternal();
|
|
reloadStack();
|
|
updateLocals();
|
|
}
|
|
}
|
|
|
|
static void handleShowModuleSymbols(const DebuggerResponse &response,
|
|
const QString &modulePath, const QString &fileName)
|
|
{
|
|
if (response.resultClass == ResultDone) {
|
|
Symbols symbols;
|
|
QFile file(fileName);
|
|
file.open(QIODevice::ReadOnly);
|
|
// Object file /opt/dev/qt/lib/libQtNetworkMyns.so.4:
|
|
// [ 0] A 0x16bd64 _DYNAMIC moc_qudpsocket.cpp
|
|
// [12] S 0xe94680 _ZN4myns5QFileC1Ev section .plt myns::QFile::QFile()
|
|
foreach (const QString &line, QString::fromLocal8Bit(file.readAll()).split('\n')) {
|
|
if (line.isEmpty())
|
|
continue;
|
|
if (line.at(0) != '[')
|
|
continue;
|
|
int posCode = line.indexOf(']') + 2;
|
|
int posAddress = line.indexOf("0x", posCode);
|
|
if (posAddress == -1)
|
|
continue;
|
|
int posName = line.indexOf(" ", posAddress);
|
|
int lenAddress = posName - posAddress;
|
|
int posSection = line.indexOf(" section ");
|
|
int lenName = 0;
|
|
int lenSection = 0;
|
|
int posDemangled = 0;
|
|
if (posSection == -1) {
|
|
lenName = line.size() - posName;
|
|
posDemangled = posName;
|
|
} else {
|
|
lenName = posSection - posName;
|
|
posSection += 10;
|
|
posDemangled = line.indexOf(' ', posSection + 1);
|
|
if (posDemangled == -1) {
|
|
lenSection = line.size() - posSection;
|
|
} else {
|
|
lenSection = posDemangled - posSection;
|
|
posDemangled += 1;
|
|
}
|
|
}
|
|
int lenDemangled = 0;
|
|
if (posDemangled != -1)
|
|
lenDemangled = line.size() - posDemangled;
|
|
Symbol symbol;
|
|
symbol.state = line.mid(posCode, 1);
|
|
symbol.address = line.mid(posAddress, lenAddress);
|
|
symbol.name = line.mid(posName, lenName);
|
|
symbol.section = line.mid(posSection, lenSection);
|
|
symbol.demangled = line.mid(posDemangled, lenDemangled);
|
|
symbols.push_back(symbol);
|
|
}
|
|
file.close();
|
|
file.remove();
|
|
Internal::showModuleSymbols(modulePath, symbols);
|
|
} else {
|
|
AsynchronousMessageBox::critical(GdbEngine::tr("Cannot Read Symbols"),
|
|
GdbEngine::tr("Cannot read symbols for module \"%1\".").arg(fileName));
|
|
}
|
|
}
|
|
|
|
void GdbEngine::requestModuleSymbols(const QString &modulePath)
|
|
{
|
|
Utils::TemporaryFile tf("gdbsymbols");
|
|
if (!tf.open())
|
|
return;
|
|
QString fileName = tf.fileName();
|
|
tf.close();
|
|
DebuggerCommand cmd("maint print msymbols \"" + fileName + "\" " + modulePath, NeedsTemporaryStop);
|
|
cmd.callback = [modulePath, fileName](const DebuggerResponse &r) {
|
|
handleShowModuleSymbols(r, modulePath, fileName);
|
|
};
|
|
runCommand(cmd);
|
|
}
|
|
|
|
void GdbEngine::requestModuleSections(const QString &moduleName)
|
|
{
|
|
// There seems to be no way to get the symbols from a single .so.
|
|
DebuggerCommand cmd("maint info section ALLOBJ", NeedsTemporaryStop);
|
|
cmd.callback = [this, moduleName](const DebuggerResponse &r) {
|
|
handleShowModuleSections(r, moduleName);
|
|
};
|
|
runCommand(cmd);
|
|
}
|
|
|
|
void GdbEngine::handleShowModuleSections(const DebuggerResponse &response,
|
|
const QString &moduleName)
|
|
{
|
|
// ~" Object file: /usr/lib/i386-linux-gnu/libffi.so.6\n"
|
|
// ~" 0xb44a6114->0xb44a6138 at 0x00000114: .note.gnu.build-id ALLOC LOAD READONLY DATA HAS_CONTENTS\n"
|
|
if (response.resultClass == ResultDone) {
|
|
const QStringList lines = response.consoleStreamOutput.split('\n');
|
|
const QString prefix = QLatin1String(" Object file: ");
|
|
const QString needle = prefix + moduleName;
|
|
Sections sections;
|
|
bool active = false;
|
|
foreach (const QString &line, lines) {
|
|
if (line.startsWith(prefix)) {
|
|
if (active)
|
|
break;
|
|
if (line == needle)
|
|
active = true;
|
|
} else {
|
|
if (active) {
|
|
QStringList items = line.split(' ', QString::SkipEmptyParts);
|
|
QString fromTo = items.value(0, QString());
|
|
const int pos = fromTo.indexOf('-');
|
|
QTC_ASSERT(pos >= 0, continue);
|
|
Section section;
|
|
section.from = fromTo.left(pos);
|
|
section.to = fromTo.mid(pos + 2);
|
|
section.address = items.value(2, QString());
|
|
section.name = items.value(3, QString());
|
|
section.flags = items.value(4, QString());
|
|
sections.append(section);
|
|
}
|
|
}
|
|
}
|
|
if (!sections.isEmpty())
|
|
Internal::showModuleSections(moduleName, sections);
|
|
}
|
|
}
|
|
|
|
void GdbEngine::reloadModules()
|
|
{
|
|
if (state() == InferiorRunOk || state() == InferiorStopOk)
|
|
reloadModulesInternal();
|
|
}
|
|
|
|
void GdbEngine::reloadModulesInternal()
|
|
{
|
|
runCommand({"info shared", NeedsTemporaryStop, CB(handleModulesList)});
|
|
}
|
|
|
|
static QString nameFromPath(const QString &path)
|
|
{
|
|
return QFileInfo(path).baseName();
|
|
}
|
|
|
|
void GdbEngine::handleModulesList(const DebuggerResponse &response)
|
|
{
|
|
if (response.resultClass == ResultDone) {
|
|
ModulesHandler *handler = modulesHandler();
|
|
Module module;
|
|
// That's console-based output, likely Linux or Windows,
|
|
// but we can avoid the target dependency here.
|
|
QString data = response.consoleStreamOutput;
|
|
QTextStream ts(&data, QIODevice::ReadOnly);
|
|
bool found = false;
|
|
while (!ts.atEnd()) {
|
|
QString line = ts.readLine();
|
|
QString symbolsRead;
|
|
QTextStream ts(&line, QIODevice::ReadOnly);
|
|
if (line.startsWith("0x")) {
|
|
ts >> module.startAddress >> module.endAddress >> symbolsRead;
|
|
module.modulePath = ts.readLine().trimmed();
|
|
module.moduleName = nameFromPath(module.modulePath);
|
|
module.symbolsRead =
|
|
(symbolsRead == "Yes" ? Module::ReadOk : Module::ReadFailed);
|
|
handler->updateModule(module);
|
|
found = true;
|
|
} else if (line.trimmed().startsWith("No")) {
|
|
// gdb 6.4 symbianelf
|
|
ts >> symbolsRead;
|
|
QTC_ASSERT(symbolsRead == "No", continue);
|
|
module.startAddress = 0;
|
|
module.endAddress = 0;
|
|
module.modulePath = ts.readLine().trimmed();
|
|
module.moduleName = nameFromPath(module.modulePath);
|
|
handler->updateModule(module);
|
|
found = true;
|
|
}
|
|
}
|
|
if (!found) {
|
|
// Mac has^done,shlib-info={num="1",name="dyld",kind="-",
|
|
// dyld-addr="0x8fe00000",reason="dyld",requested-state="Y",
|
|
// state="Y",path="/usr/lib/dyld",description="/usr/lib/dyld",
|
|
// loaded_addr="0x8fe00000",slide="0x0",prefix="__dyld_"},
|
|
// shlib-info={...}...
|
|
foreach (const GdbMi &item, response.data.children()) {
|
|
module.modulePath = item["path"].data();
|
|
module.moduleName = nameFromPath(module.modulePath);
|
|
module.symbolsRead = (item["state"].data() == "Y")
|
|
? Module::ReadOk : Module::ReadFailed;
|
|
module.startAddress =
|
|
item["loaded_addr"].data().toULongLong(0, 0);
|
|
module.endAddress = 0; // FIXME: End address not easily available.
|
|
handler->updateModule(module);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void GdbEngine::examineModules()
|
|
{
|
|
ModulesHandler *handler = modulesHandler();
|
|
foreach (const Module &module, handler->modules()) {
|
|
if (module.elfData.symbolsType == UnknownSymbols)
|
|
handler->updateModule(module);
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Source files specific stuff
|
|
//
|
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
void GdbEngine::reloadSourceFiles()
|
|
{
|
|
if ((state() == InferiorRunOk || state() == InferiorStopOk) && !m_sourcesListUpdating) {
|
|
m_sourcesListUpdating = true;
|
|
DebuggerCommand cmd("-file-list-exec-source-files", NeedsTemporaryStop);
|
|
cmd.callback = [this](const DebuggerResponse &response) {
|
|
m_sourcesListUpdating = false;
|
|
if (response.resultClass == ResultDone) {
|
|
QMap<QString, QString> oldShortToFull = m_shortToFullName;
|
|
m_shortToFullName.clear();
|
|
m_fullToShortName.clear();
|
|
// "^done,files=[{file="../../../../bin/dumper/dumper.cpp",
|
|
// fullname="/data5/dev/ide/main/bin/dumper/dumper.cpp"},
|
|
GdbMi files = response.data["files"];
|
|
foreach (const GdbMi &item, files.children()) {
|
|
GdbMi fileName = item["file"];
|
|
if (fileName.data().endsWith("<built-in>"))
|
|
continue;
|
|
GdbMi fullName = item["fullname"];
|
|
QString file = fileName.data();
|
|
QString full;
|
|
if (fullName.isValid()) {
|
|
full = cleanupFullName(fullName.data());
|
|
m_fullToShortName[full] = file;
|
|
}
|
|
m_shortToFullName[file] = full;
|
|
}
|
|
if (m_shortToFullName != oldShortToFull)
|
|
sourceFilesHandler()->setSourceFiles(m_shortToFullName);
|
|
}
|
|
};
|
|
runCommand(cmd);
|
|
}
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Stack specific stuff
|
|
//
|
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
void GdbEngine::selectThread(ThreadId threadId)
|
|
{
|
|
threadsHandler()->setCurrentThread(threadId);
|
|
showStatusMessage(tr("Retrieving data for stack view thread 0x%1...")
|
|
.arg(threadId.raw(), 0, 16), 10000);
|
|
DebuggerCommand cmd("-thread-select " + QString::number(threadId.raw()), Discardable);
|
|
cmd.callback = [this](const DebuggerResponse &) {
|
|
QTC_CHECK(state() == InferiorUnrunnable || state() == InferiorStopOk);
|
|
showStatusMessage(tr("Retrieving data for stack view..."), 3000);
|
|
reloadStack(); // Will reload registers.
|
|
updateLocals();
|
|
};
|
|
runCommand(cmd);
|
|
}
|
|
|
|
void GdbEngine::reloadFullStack()
|
|
{
|
|
PENDING_DEBUG("RELOAD FULL STACK");
|
|
resetLocation();
|
|
DebuggerCommand cmd = stackCommand(-1);
|
|
cmd.callback = [this](const DebuggerResponse &r) { handleStackListFrames(r, true); };
|
|
cmd.flags = Discardable;
|
|
runCommand(cmd);
|
|
}
|
|
|
|
void GdbEngine::loadAdditionalQmlStack()
|
|
{
|
|
DebuggerCommand cmd = stackCommand(-1);
|
|
cmd.arg("extraqml", "1");
|
|
cmd.callback = [this](const DebuggerResponse &r) { handleStackListFrames(r, true); };
|
|
cmd.flags = Discardable;
|
|
runCommand(cmd);
|
|
}
|
|
|
|
DebuggerCommand GdbEngine::stackCommand(int depth)
|
|
{
|
|
DebuggerCommand cmd("fetchStack");
|
|
cmd.arg("limit", depth);
|
|
cmd.arg("nativemixed", isNativeMixedActive());
|
|
return cmd;
|
|
}
|
|
|
|
void GdbEngine::reloadStack()
|
|
{
|
|
PENDING_DEBUG("RELOAD STACK");
|
|
DebuggerCommand cmd = stackCommand(action(MaximalStackDepth)->value().toInt());
|
|
cmd.callback = [this](const DebuggerResponse &r) { handleStackListFrames(r, false); };
|
|
cmd.flags = Discardable;
|
|
runCommand(cmd);
|
|
}
|
|
|
|
void GdbEngine::handleStackListFrames(const DebuggerResponse &response, bool isFull)
|
|
{
|
|
if (response.resultClass != ResultDone) {
|
|
// That always happens on symbian gdb with
|
|
// ^error,data={msg="Previous frame identical to this frame (corrupt stack?)"
|
|
// logStreamOutput: "Previous frame identical to this frame (corrupt stack?)\n"
|
|
//qDebug() << "LISTING STACK FAILED: " << response.toString();
|
|
reloadRegisters();
|
|
return;
|
|
}
|
|
|
|
GdbMi stack = response.data["stack"]; // C++
|
|
//if (!frames.isValid() || frames.childCount() == 0) // Mixed.
|
|
GdbMi frames = stack["frames"];
|
|
if (!frames.isValid())
|
|
isFull = true;
|
|
|
|
stackHandler()->setFramesAndCurrentIndex(frames, isFull);
|
|
activateFrame(stackHandler()->currentIndex());
|
|
}
|
|
|
|
void GdbEngine::activateFrame(int frameIndex)
|
|
{
|
|
if (state() != InferiorStopOk && state() != InferiorUnrunnable)
|
|
return;
|
|
|
|
StackHandler *handler = stackHandler();
|
|
|
|
if (frameIndex == handler->stackSize()) {
|
|
reloadFullStack();
|
|
return;
|
|
}
|
|
|
|
QTC_ASSERT(frameIndex < handler->stackSize(), return);
|
|
handler->setCurrentIndex(frameIndex);
|
|
gotoLocation(stackHandler()->currentFrame());
|
|
|
|
if (handler->frameAt(frameIndex).language != QmlLanguage) {
|
|
// Assuming the command always succeeds this saves a roundtrip.
|
|
// Otherwise the lines below would need to get triggered
|
|
// after a response to this -stack-select-frame here.
|
|
//if (!m_currentThread.isEmpty())
|
|
// cmd += " --thread " + m_currentThread;
|
|
runCommand({"-stack-select-frame " + QString::number(frameIndex), Discardable});
|
|
}
|
|
|
|
updateLocals();
|
|
reloadRegisters();
|
|
}
|
|
|
|
void GdbEngine::handleThreadInfo(const DebuggerResponse &response)
|
|
{
|
|
if (response.resultClass == ResultDone) {
|
|
ThreadsHandler *handler = threadsHandler();
|
|
handler->updateThreads(response.data);
|
|
// This is necessary as the current thread might not be in the list.
|
|
if (!handler->currentThread().isValid()) {
|
|
ThreadId other = handler->threadAt(0);
|
|
if (other.isValid())
|
|
selectThread(other);
|
|
}
|
|
updateViews(); // Adjust Threads combobox.
|
|
if (boolSetting(ShowThreadNames)) {
|
|
runCommand({"threadnames " + action(MaximalStackDepth)->value().toString(),
|
|
Discardable, CB(handleThreadNames)});
|
|
}
|
|
reloadStack(); // Will trigger register reload.
|
|
} else {
|
|
// Fall back for older versions: Try to get at least a list
|
|
// of running threads.
|
|
runCommand({"-thread-list-ids", Discardable, CB(handleThreadListIds)});
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleThreadListIds(const DebuggerResponse &response)
|
|
{
|
|
// "72^done,{thread-ids={thread-id="2",thread-id="1"},number-of-threads="2"}
|
|
// In gdb 7.1+ additionally: current-thread-id="1"
|
|
ThreadsHandler *handler = threadsHandler();
|
|
const QVector<GdbMi> &items = response.data["thread-ids"].children();
|
|
for (int index = 0, n = items.size(); index != n; ++index) {
|
|
ThreadData thread;
|
|
thread.id = ThreadId(items.at(index).toInt());
|
|
handler->updateThread(thread);
|
|
}
|
|
reloadStack(); // Will trigger register reload.
|
|
}
|
|
|
|
void GdbEngine::handleThreadNames(const DebuggerResponse &response)
|
|
{
|
|
if (response.resultClass == ResultDone) {
|
|
ThreadsHandler *handler = threadsHandler();
|
|
GdbMi names;
|
|
names.fromString(response.consoleStreamOutput);
|
|
foreach (const GdbMi &name, names.children()) {
|
|
ThreadData thread;
|
|
thread.id = ThreadId(name["id"].toInt());
|
|
thread.name = decodeData(name["value"].data(), name["valueencoded"].data());
|
|
handler->updateThread(thread);
|
|
}
|
|
updateViews();
|
|
}
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Snapshot specific stuff
|
|
//
|
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
void GdbEngine::createSnapshot()
|
|
{
|
|
QString fileName;
|
|
Utils::TemporaryFile tf("gdbsnapshot");
|
|
if (tf.open()) {
|
|
fileName = tf.fileName();
|
|
tf.close();
|
|
// This must not be quoted, it doesn't work otherwise.
|
|
DebuggerCommand cmd("gcore " + fileName, NeedsTemporaryStop | ConsoleCommand);
|
|
cmd.callback = [this, fileName](const DebuggerResponse &r) { handleMakeSnapshot(r, fileName); };
|
|
runCommand(cmd);
|
|
} else {
|
|
AsynchronousMessageBox::critical(tr("Snapshot Creation Error"),
|
|
tr("Cannot create snapshot file."));
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleMakeSnapshot(const DebuggerResponse &response, const QString &coreFile)
|
|
{
|
|
if (response.resultClass == ResultDone) {
|
|
DebuggerRunParameters rp = runParameters();
|
|
rp.startMode = AttachCore;
|
|
rp.coreFile = coreFile;
|
|
//snapshot.setDate(QDateTime::currentDateTime());
|
|
StackFrames frames = stackHandler()->frames();
|
|
QString function = "<unknown>";
|
|
if (!frames.isEmpty()) {
|
|
const StackFrame &frame = frames.at(0);
|
|
function = frame.function + ":" + QString::number(frame.line);
|
|
}
|
|
rp.displayName = function + ": " + QDateTime::currentDateTime().toString();
|
|
rp.isSnapshot = true;
|
|
auto rc = new RunControl(runControl()->runConfiguration(), ProjectExplorer::Constants::DEBUG_RUN_MODE);
|
|
(void) new DebuggerRunTool(rc, rp);
|
|
ProjectExplorerPlugin::startRunControl(rc);
|
|
} else {
|
|
QString msg = response.data["msg"].data();
|
|
AsynchronousMessageBox::critical(tr("Snapshot Creation Error"),
|
|
tr("Cannot create snapshot:") + '\n' + msg);
|
|
}
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Register specific stuff
|
|
//
|
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
void GdbEngine::reloadRegisters()
|
|
{
|
|
if (!Internal::isRegistersWindowVisible())
|
|
return;
|
|
|
|
if (state() != InferiorStopOk && state() != InferiorUnrunnable)
|
|
return;
|
|
|
|
if (true) {
|
|
if (!m_registerNamesListed) {
|
|
// The MI version does not give register size.
|
|
// runCommand("-data-list-register-names", CB(handleRegisterListNames));
|
|
runCommand({"maintenance print raw-registers",
|
|
CB(handleRegisterListing)});
|
|
m_registerNamesListed = true;
|
|
}
|
|
// Can cause i386-linux-nat.c:571: internal-error: Got request
|
|
// for bad register number 41.\nA problem internal to GDB has been detected.
|
|
runCommand({"-data-list-register-values r", Discardable,
|
|
CB(handleRegisterListValues)});
|
|
} else {
|
|
runCommand({"maintenance print cooked-registers",
|
|
CB(handleMaintPrintRegisters)});
|
|
}
|
|
}
|
|
|
|
static QString readWord(const QString &ba, int *pos)
|
|
{
|
|
const int n = ba.size();
|
|
while (*pos < n && ba.at(*pos) == ' ')
|
|
++*pos;
|
|
const int start = *pos;
|
|
while (*pos < n && ba.at(*pos) != ' ' && ba.at(*pos) != '\n')
|
|
++*pos;
|
|
return ba.mid(start, *pos - start);
|
|
}
|
|
|
|
void GdbEngine::handleMaintPrintRegisters(const DebuggerResponse &response)
|
|
{
|
|
if (response.resultClass != ResultDone)
|
|
return;
|
|
|
|
const QString &ba = response.consoleStreamOutput;
|
|
RegisterHandler *handler = registerHandler();
|
|
//0 1 2 3 4 5 6
|
|
//0123456789012345678901234567890123456789012345678901234567890
|
|
// Name Nr Rel Offset Size Type Raw value
|
|
// rax 0 0 0 8 int64_t 0x0000000000000000
|
|
// rip 16 16 128 8 *1 0x0000000000400dc9
|
|
// eflags 17 17 136 4 i386_eflags 0x00000246
|
|
// cs 18 18 140 4 int32_t 0x00000033
|
|
// xmm15 55 55 516 16 vec128 0x00000000000000000000000000000000
|
|
// mxcsr 56 56 532 4 i386_mxcsr 0x00001fa0
|
|
// ''
|
|
// st6 30 30 224 10 _i387_ext 0x00000000000000000000
|
|
// st7 31 31 234 10 _i387_ext 0x00000000000000000000
|
|
// fctrl 32 32 244 4 int 0x0000037f
|
|
|
|
const int n = ba.size();
|
|
int pos = 0;
|
|
while (true) {
|
|
// Skip first line, and until '\n' after each line finished.
|
|
while (pos < n && ba.at(pos) != '\n')
|
|
++pos;
|
|
if (pos >= n)
|
|
break;
|
|
++pos; // skip \n
|
|
Register reg;
|
|
reg.name = readWord(ba, &pos);
|
|
if (reg.name == "''" || reg.name == "*1:" || reg.name.isEmpty())
|
|
continue;
|
|
readWord(ba, &pos); // Nr
|
|
readWord(ba, &pos); // Rel
|
|
readWord(ba, &pos); // Offset
|
|
reg.size = readWord(ba, &pos).toInt();
|
|
reg.reportedType = readWord(ba, &pos);
|
|
reg.value.fromString(readWord(ba, &pos), HexadecimalFormat);
|
|
handler->updateRegister(reg);
|
|
}
|
|
handler->commitUpdates();
|
|
}
|
|
|
|
void GdbEngine::setRegisterValue(const QString &name, const QString &value)
|
|
{
|
|
QString fullName = name;
|
|
if (name.startsWith("xmm"))
|
|
fullName += ".uint128";
|
|
runCommand({"set $" + fullName + "=" + value});
|
|
reloadRegisters();
|
|
}
|
|
|
|
void GdbEngine::handleRegisterListNames(const DebuggerResponse &response)
|
|
{
|
|
if (response.resultClass != ResultDone) {
|
|
m_registerNamesListed = false;
|
|
return;
|
|
}
|
|
|
|
GdbMi names = response.data["register-names"];
|
|
m_registers.clear();
|
|
int gdbRegisterNumber = 0;
|
|
foreach (const GdbMi &item, names.children()) {
|
|
if (!item.data().isEmpty()) {
|
|
Register reg;
|
|
reg.name = item.data();
|
|
m_registers[gdbRegisterNumber] = reg;
|
|
}
|
|
++gdbRegisterNumber;
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleRegisterListing(const DebuggerResponse &response)
|
|
{
|
|
if (response.resultClass != ResultDone) {
|
|
m_registerNamesListed = false;
|
|
return;
|
|
}
|
|
|
|
// &"maintenance print raw-registers\n"
|
|
// >~" Name Nr Rel Offset Size Type Raw value\n"
|
|
// >~" rax 0 0 0 8 int64_t 0x0000000000000005\n"
|
|
// >~" rip 16 16 128 8 *1 0x000000000040232a\n"
|
|
// >~" '' 145 145 536 0 int0_t <invalid>\n"
|
|
|
|
m_registers.clear();
|
|
QStringList lines = response.consoleStreamOutput.split('\n');
|
|
for (int i = 1; i < lines.size(); ++i) {
|
|
const QVector<QStringRef> parts = lines.at(i).splitRef(' ', QString::SkipEmptyParts);
|
|
if (parts.size() < 7)
|
|
continue;
|
|
int gdbRegisterNumber = parts.at(1).toInt();
|
|
Register reg;
|
|
reg.name = parts.at(0).toString();
|
|
reg.size = parts.at(4).toInt();
|
|
reg.reportedType = parts.at(5).toString();
|
|
m_registers[gdbRegisterNumber] = reg;
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleRegisterListValues(const DebuggerResponse &response)
|
|
{
|
|
if (response.resultClass != ResultDone)
|
|
return;
|
|
|
|
RegisterHandler *handler = registerHandler();
|
|
// 24^done,register-values=[{number="0",value="0xf423f"},...]
|
|
const GdbMi values = response.data["register-values"];
|
|
foreach (const GdbMi &item, values.children()) {
|
|
const int number = item["number"].toInt();
|
|
Register reg = m_registers[number];
|
|
QString data = item["value"].data();
|
|
if (data.startsWith("0x")) {
|
|
reg.value.fromString(data, HexadecimalFormat);
|
|
} else if (data == "<error reading variable>") {
|
|
// Nothing. See QTCREATORBUG-14029.
|
|
} else {
|
|
// This is what GDB considers machine readable output:
|
|
// value="{v4_float = {0x00000000, 0x00000000, 0x00000000, 0x00000000},
|
|
// v2_double = {0x0000000000000000, 0x0000000000000000},
|
|
// v16_int8 = {0x00 <repeats 16 times>},
|
|
// v8_int16 = {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000},
|
|
// v4_int32 = {0x00000000, 0x00000000, 0x00000000, 0x00000000},
|
|
// v2_int64 = {0x0000000000000000, 0x0000000000000000},
|
|
// uint128 = <error reading variable>}"}
|
|
// Try to make sense of it using the int32 chunks.
|
|
// Android gdb 7.10 has u32 = {0x00000000, 0x40340000}.
|
|
// Use that if available.
|
|
QString result;
|
|
int pos1 = data.indexOf("_int32");
|
|
if (pos1 == -1)
|
|
pos1 = data.indexOf("u32");
|
|
const int pos2 = data.indexOf('{', pos1) + 1;
|
|
const int pos3 = data.indexOf('}', pos2);
|
|
QString inner = data.mid(pos2, pos3 - pos2);
|
|
QStringList list = inner.split(',');
|
|
for (int i = list.size(); --i >= 0; ) {
|
|
QString chunk = list.at(i);
|
|
if (chunk.startsWith(' '))
|
|
chunk.remove(0, 1);
|
|
if (chunk.startsWith("0x"))
|
|
chunk.remove(0, 2);
|
|
QTC_ASSERT(chunk.size() == 8, continue);
|
|
result.append(chunk);
|
|
}
|
|
reg.value.fromString(result, HexadecimalFormat);
|
|
}
|
|
handler->updateRegister(reg);
|
|
}
|
|
handler->commitUpdates();
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Watch specific stuff
|
|
//
|
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
void GdbEngine::reloadLocals()
|
|
{
|
|
setTokenBarrier();
|
|
updateLocals();
|
|
}
|
|
|
|
void GdbEngine::handleVarAssign(const DebuggerResponse &)
|
|
{
|
|
// Everything might have changed, force re-evaluation.
|
|
setTokenBarrier();
|
|
updateLocals();
|
|
}
|
|
|
|
void GdbEngine::assignValueInDebugger(WatchItem *item,
|
|
const QString &expression, const QVariant &value)
|
|
{
|
|
DebuggerCommand cmd("assignValue");
|
|
cmd.arg("type", toHex(item->type));
|
|
cmd.arg("expr", toHex(expression));
|
|
cmd.arg("value", toHex(value.toString()));
|
|
cmd.arg("simpleType", isIntOrFloatType(item->type));
|
|
cmd.callback = CB(handleVarAssign);
|
|
runCommand(cmd);
|
|
}
|
|
|
|
class MemoryAgentCookie
|
|
{
|
|
public:
|
|
MemoryAgentCookie() {}
|
|
|
|
QByteArray *accumulator = nullptr; // Shared between split request. Last one cleans up.
|
|
uint *pendingRequests = nullptr; // Shared between split request. Last one cleans up.
|
|
|
|
QPointer<MemoryAgent> agent;
|
|
quint64 base = 0; // base address.
|
|
uint offset = 0; // offset to base, and in accumulator
|
|
uint length = 0; //
|
|
};
|
|
|
|
|
|
void GdbEngine::changeMemory(MemoryAgent *agent, quint64 addr, const QByteArray &data)
|
|
{
|
|
Q_UNUSED(agent)
|
|
DebuggerCommand cmd("-data-write-memory 0x" + QString::number(addr, 16) + " d 1", NeedsTemporaryStop);
|
|
foreach (unsigned char c, data)
|
|
cmd.function += ' ' + QString::number(uint(c));
|
|
cmd.callback = CB(handleVarAssign);
|
|
runCommand(cmd);
|
|
}
|
|
|
|
void GdbEngine::fetchMemory(MemoryAgent *agent, quint64 addr, quint64 length)
|
|
{
|
|
MemoryAgentCookie ac;
|
|
ac.accumulator = new QByteArray(length, char());
|
|
ac.pendingRequests = new uint(1);
|
|
ac.agent = agent;
|
|
ac.base = addr;
|
|
ac.length = length;
|
|
fetchMemoryHelper(ac);
|
|
}
|
|
|
|
void GdbEngine::fetchMemoryHelper(const MemoryAgentCookie &ac)
|
|
{
|
|
DebuggerCommand cmd("-data-read-memory 0x"
|
|
+ QString::number(ac.base + ac.offset, 16) + " x 1 1 "
|
|
+ QString::number(ac.length),
|
|
NeedsTemporaryStop);
|
|
cmd.callback = [this, ac](const DebuggerResponse &r) { handleFetchMemory(r, ac); };
|
|
runCommand(cmd);
|
|
}
|
|
|
|
void GdbEngine::handleFetchMemory(const DebuggerResponse &response, MemoryAgentCookie ac)
|
|
{
|
|
// ^done,addr="0x08910c88",nr-bytes="16",total-bytes="16",
|
|
// next-row="0x08910c98",prev-row="0x08910c78",next-page="0x08910c98",
|
|
// prev-page="0x08910c78",memory=[{addr="0x08910c88",
|
|
// data=["1","0","0","0","5","0","0","0","0","0","0","0","0","0","0","0"]}]
|
|
--*ac.pendingRequests;
|
|
showMessage(QString("PENDING: %1").arg(*ac.pendingRequests));
|
|
QTC_ASSERT(ac.agent, return);
|
|
if (response.resultClass == ResultDone) {
|
|
GdbMi memory = response.data["memory"];
|
|
QTC_ASSERT(memory.children().size() <= 1, return);
|
|
if (memory.children().empty())
|
|
return;
|
|
GdbMi memory0 = memory.children().at(0); // we asked for only one 'row'
|
|
GdbMi data = memory0["data"];
|
|
for (int i = 0, n = int(data.children().size()); i != n; ++i) {
|
|
const GdbMi &child = data.children().at(i);
|
|
bool ok = true;
|
|
unsigned char c = '?';
|
|
c = child.data().toUInt(&ok, 0);
|
|
QTC_ASSERT(ok, return);
|
|
(*ac.accumulator)[ac.offset + i] = c;
|
|
}
|
|
} else {
|
|
// We have an error
|
|
if (ac.length > 1) {
|
|
// ... and size > 1, split the load and re-try.
|
|
*ac.pendingRequests += 2;
|
|
uint hunk = ac.length / 2;
|
|
MemoryAgentCookie ac1 = ac;
|
|
ac1.length = hunk;
|
|
ac1.offset = ac.offset;
|
|
MemoryAgentCookie ac2 = ac;
|
|
ac2.length = ac.length - hunk;
|
|
ac2.offset = ac.offset + hunk;
|
|
fetchMemoryHelper(ac1);
|
|
fetchMemoryHelper(ac2);
|
|
}
|
|
}
|
|
|
|
if (*ac.pendingRequests <= 0) {
|
|
ac.agent->addData(ac.base, *ac.accumulator);
|
|
delete ac.pendingRequests;
|
|
delete ac.accumulator;
|
|
}
|
|
}
|
|
|
|
class DisassemblerAgentCookie
|
|
{
|
|
public:
|
|
DisassemblerAgentCookie() : agent(0) {}
|
|
DisassemblerAgentCookie(DisassemblerAgent *agent_) : agent(agent_) {}
|
|
|
|
public:
|
|
QPointer<DisassemblerAgent> agent;
|
|
};
|
|
|
|
void GdbEngine::fetchDisassembler(DisassemblerAgent *agent)
|
|
{
|
|
if (boolSetting(IntelFlavor))
|
|
runCommand({"set disassembly-flavor intel"});
|
|
else
|
|
runCommand({"set disassembly-flavor att"});
|
|
|
|
fetchDisassemblerByCliPointMixed(agent);
|
|
}
|
|
|
|
static inline QString disassemblerCommand(const Location &location, bool mixed)
|
|
{
|
|
QString command = "disassemble /r";
|
|
if (mixed)
|
|
command += 'm';
|
|
command += ' ';
|
|
if (const quint64 address = location.address()) {
|
|
command += "0x";
|
|
command += QString::number(address, 16);
|
|
} else if (!location.functionName().isEmpty()) {
|
|
command += location.functionName();
|
|
} else {
|
|
QTC_ASSERT(false, return QString(); );
|
|
}
|
|
return command;
|
|
}
|
|
|
|
void GdbEngine::fetchDisassemblerByCliPointMixed(const DisassemblerAgentCookie &ac)
|
|
{
|
|
QTC_ASSERT(ac.agent, return);
|
|
DebuggerCommand cmd(disassemblerCommand(ac.agent->location(), true), Discardable | ConsoleCommand);
|
|
cmd.callback = [this, ac](const DebuggerResponse &response) {
|
|
if (response.resultClass == ResultDone)
|
|
if (handleCliDisassemblerResult(response.consoleStreamOutput, ac.agent))
|
|
return;
|
|
// 'point, plain' can take far too long.
|
|
// Skip this feature and immediately fall back to the 'range' version:
|
|
fetchDisassemblerByCliRangeMixed(ac);
|
|
};
|
|
runCommand(cmd);
|
|
}
|
|
|
|
void GdbEngine::fetchDisassemblerByCliRangeMixed(const DisassemblerAgentCookie &ac)
|
|
{
|
|
QTC_ASSERT(ac.agent, return);
|
|
const quint64 address = ac.agent->address();
|
|
QString start = QString::number(address - 20, 16);
|
|
QString end = QString::number(address + 100, 16);
|
|
DebuggerCommand cmd("disassemble /rm 0x" + start + ",0x" + end, Discardable | ConsoleCommand);
|
|
cmd.callback = [this, ac](const DebuggerResponse &response) {
|
|
if (response.resultClass == ResultDone)
|
|
if (handleCliDisassemblerResult(response.consoleStreamOutput, ac.agent))
|
|
return;
|
|
fetchDisassemblerByCliRangePlain(ac);
|
|
};
|
|
runCommand(cmd);
|
|
}
|
|
|
|
void GdbEngine::fetchDisassemblerByCliRangePlain(const DisassemblerAgentCookie &ac0)
|
|
{
|
|
DisassemblerAgentCookie ac = ac0;
|
|
QTC_ASSERT(ac.agent, return);
|
|
const quint64 address = ac.agent->address();
|
|
QString start = QString::number(address - 20, 16);
|
|
QString end = QString::number(address + 100, 16);
|
|
DebuggerCommand cmd("disassemble /r 0x" + start + ",0x" + end, Discardable);
|
|
cmd.callback = [this, ac](const DebuggerResponse &response) {
|
|
if (response.resultClass == ResultDone)
|
|
if (handleCliDisassemblerResult(response.consoleStreamOutput, ac.agent))
|
|
return;
|
|
// Finally, give up.
|
|
//76^error,msg="No function contains program counter for selected..."
|
|
//76^error,msg="No function contains specified address."
|
|
//>568^error,msg="Line number 0 out of range;
|
|
QString msg = response.data["msg"].data();
|
|
showStatusMessage(tr("Disassembler failed: %1").arg(msg), 5000);
|
|
};
|
|
runCommand(cmd);
|
|
}
|
|
|
|
struct LineData
|
|
{
|
|
LineData() {}
|
|
LineData(int i, int f) : index(i), function(f) {}
|
|
int index;
|
|
int function;
|
|
};
|
|
|
|
bool GdbEngine::handleCliDisassemblerResult(const QString &output, DisassemblerAgent *agent)
|
|
{
|
|
QTC_ASSERT(agent, return true);
|
|
// First line is something like
|
|
// "Dump of assembler code from 0xb7ff598f to 0xb7ff5a07:"
|
|
DisassemblerLines dlines;
|
|
foreach (const QString &line, output.split('\n'))
|
|
dlines.appendUnparsed(line);
|
|
|
|
QVector<DisassemblerLine> lines = dlines.data();
|
|
|
|
typedef QMap<quint64, LineData> LineMap;
|
|
LineMap lineMap;
|
|
int currentFunction = -1;
|
|
for (int i = 0, n = lines.size(); i != n; ++i) {
|
|
const DisassemblerLine &line = lines.at(i);
|
|
if (line.address)
|
|
lineMap.insert(line.address, LineData(i, currentFunction));
|
|
else
|
|
currentFunction = i;
|
|
}
|
|
|
|
currentFunction = -1;
|
|
DisassemblerLines result;
|
|
result.setBytesLength(dlines.bytesLength());
|
|
for (LineMap::const_iterator it = lineMap.constBegin(), et = lineMap.constEnd(); it != et; ++it) {
|
|
LineData d = *it;
|
|
if (d.function != currentFunction) {
|
|
if (d.function != -1) {
|
|
DisassemblerLine &line = lines[d.function];
|
|
++line.hunk;
|
|
result.appendLine(line);
|
|
currentFunction = d.function;
|
|
}
|
|
}
|
|
result.appendLine(lines.at(d.index));
|
|
}
|
|
|
|
if (result.coversAddress(agent->address())) {
|
|
agent->setContents(result);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static SourcePathMap mergeStartParametersSourcePathMap(const DebuggerRunParameters &sp,
|
|
const SourcePathMap &in)
|
|
{
|
|
// Do not overwrite user settings.
|
|
SourcePathMap rc = sp.sourcePathMap;
|
|
for (auto it = in.constBegin(), end = in.constEnd(); it != end; ++it)
|
|
rc.insert(it.key(), it.value());
|
|
return rc;
|
|
}
|
|
|
|
//
|
|
// Starting up & shutting down
|
|
//
|
|
|
|
void GdbEngine::startGdb(const QStringList &args)
|
|
{
|
|
const QString tests = QString::fromLocal8Bit(qgetenv("QTC_DEBUGGER_TESTS"));
|
|
foreach (const QStringRef &test, tests.splitRef(QLatin1Char(',')))
|
|
m_testCases.insert(test.toInt());
|
|
foreach (int test, m_testCases)
|
|
showMessage("ENABLING TEST CASE: " + QString::number(test));
|
|
|
|
m_gdbProc.disconnect(); // From any previous runs
|
|
|
|
const DebuggerRunParameters &rp = runParameters();
|
|
if (rp.debugger.executable.isEmpty()) {
|
|
handleGdbStartFailed();
|
|
handleAdapterStartFailed(
|
|
msgNoGdbBinaryForToolChain(rp.toolChainAbi),
|
|
Constants::DEBUGGER_COMMON_SETTINGS_ID);
|
|
return;
|
|
}
|
|
|
|
QStringList gdbArgs;
|
|
gdbArgs << "-i";
|
|
gdbArgs << "mi";
|
|
if (!boolSetting(LoadGdbInit))
|
|
gdbArgs << "-n";
|
|
gdbArgs += args;
|
|
|
|
connect(&m_gdbProc, &QProcess::errorOccurred, this, &GdbEngine::handleGdbError);
|
|
connect(&m_gdbProc, static_cast<void (QProcess::*)(int, QProcess::ExitStatus)>(&QProcess::finished),
|
|
this, &GdbEngine::handleGdbFinished);
|
|
connect(&m_gdbProc, &QtcProcess::readyReadStandardOutput, this, &GdbEngine::readGdbStandardOutput);
|
|
connect(&m_gdbProc, &QtcProcess::readyReadStandardError, this, &GdbEngine::readGdbStandardError);
|
|
|
|
showMessage("STARTING " + rp.debugger.executable + " " + gdbArgs.join(' '));
|
|
m_gdbProc.setCommand(rp.debugger.executable, QtcProcess::joinArgs(gdbArgs));
|
|
if (QFileInfo(rp.debugger.workingDirectory).isDir())
|
|
m_gdbProc.setWorkingDirectory(rp.debugger.workingDirectory);
|
|
m_gdbProc.setEnvironment(rp.debugger.environment);
|
|
m_gdbProc.start();
|
|
|
|
if (!m_gdbProc.waitForStarted()) {
|
|
handleGdbStartFailed();
|
|
QString msg;
|
|
QString wd = m_gdbProc.workingDirectory();
|
|
if (!QFileInfo(wd).isDir())
|
|
msg = failedToStartMessage() + ' ' + tr("The working directory \"%1\" is not usable.").arg(wd);
|
|
else
|
|
msg = errorMessage(QProcess::FailedToStart);
|
|
handleAdapterStartFailed(msg);
|
|
return;
|
|
}
|
|
|
|
showMessage("GDB STARTED, INITIALIZING IT");
|
|
runCommand({"show version", CB(handleShowVersion)});
|
|
//runCommand("-list-features", CB(handleListFeatures));
|
|
runCommand({"show debug-file-directory", CB(handleDebugInfoLocation)});
|
|
|
|
//runCommand("-enable-timings");
|
|
//rurun print static-members off"); // Seemingly doesn't work.
|
|
//runCommand("set debug infrun 1");
|
|
//runCommand("define hook-stop\n-thread-list-ids\n-stack-list-frames\nend");
|
|
//runCommand("define hook-stop\nprint 4\nend");
|
|
//runCommand("define hookpost-stop\nprint 5\nend");
|
|
//runCommand("define hook-call\nprint 6\nend");
|
|
//runCommand("define hookpost-call\nprint 7\nend");
|
|
runCommand({"set print object on"});
|
|
//runCommand("set step-mode on"); // we can't work with that yes
|
|
//runCommand("set exec-done-display on");
|
|
//runCommand("set print pretty on");
|
|
//runCommand("set confirm off");
|
|
//runCommand("set pagination off");
|
|
|
|
// The following does not work with 6.3.50-20050815 (Apple version gdb-1344)
|
|
// (Mac OS 10.6), but does so for gdb-966 (10.5):
|
|
//runCommand("set print inferior-events 1");
|
|
|
|
runCommand({"set breakpoint pending on"});
|
|
runCommand({"set print elements 10000"});
|
|
|
|
// Produces a few messages during symtab loading
|
|
//runCommand("set verbose on");
|
|
|
|
// one of the following is needed to prevent crashes in gdb on code like:
|
|
// template <class T> T foo() { return T(0); }
|
|
// int main() { return foo<int>(); }
|
|
// (gdb) call 'int foo<int>'()
|
|
// /build/buildd/gdb-6.8/gdb/valops.c:2069: internal-error
|
|
// This seems to be fixed, however, with 'on' it seems to _require_
|
|
// explicit casting of function pointers:
|
|
// GNU gdb (GDB) 7.5.91.20130417-cvs-ubuntu
|
|
// (gdb) p &Myns::QMetaType::typeName -> $1 = (const char *(*)(int)) 0xb7cf73b0 <Myns::QMetaType::typeName(int)>
|
|
// (gdb) p Myns::QMetaType::typeName(1024) -> 31^error,msg="Couldn't find method Myns::QMetaType::typeName"
|
|
// But we can work around on the dumper side. So let's use the default (i.e. 'on')
|
|
//runCommand("set overload-resolution off");
|
|
|
|
//runCommand(_("set demangle-style none"));
|
|
runCommand({"set unwindonsignal on"});
|
|
runCommand({"set width 0"});
|
|
runCommand({"set height 0"});
|
|
|
|
// FIXME: Provide proper Gui settings for these:
|
|
//runCommand("set breakpoint always-inserted on", ConsoleCommand);
|
|
// displaced-stepping does not work in Thumb mode.
|
|
//runCommand("set displaced-stepping on");
|
|
//runCommand("set trust-readonly-sections on", ConsoleCommand);
|
|
//runCommand("set remotecache on", ConsoleCommand);
|
|
//runCommand("set non-stop on", ConsoleCommand);
|
|
|
|
showStatusMessage(tr("Setting up inferior..."));
|
|
|
|
// Addint executable to modules list.
|
|
Module module;
|
|
module.startAddress = 0;
|
|
module.endAddress = 0;
|
|
module.modulePath = rp.inferior.executable;
|
|
module.moduleName = "<executable>";
|
|
modulesHandler()->updateModule(module);
|
|
|
|
// Apply source path mappings from global options.
|
|
//showMessage(_("Assuming Qt is installed at %1").arg(qtInstallPath));
|
|
const SourcePathMap sourcePathMap =
|
|
DebuggerSourcePathMappingWidget::mergePlatformQtPath(rp,
|
|
Internal::globalDebuggerOptions()->sourcePathMap);
|
|
const SourcePathMap completeSourcePathMap =
|
|
mergeStartParametersSourcePathMap(rp, sourcePathMap);
|
|
for (auto it = completeSourcePathMap.constBegin(), cend = completeSourcePathMap.constEnd();
|
|
it != cend;
|
|
++it) {
|
|
runCommand({"set substitute-path " + it.key() + " " + it.value()});
|
|
}
|
|
|
|
// Spaces just will not work.
|
|
foreach (const QString &src, rp.debugSourceLocation) {
|
|
if (QDir(src).exists())
|
|
runCommand({"directory " + src});
|
|
else
|
|
showMessage("# directory does not exist: " + src, LogInput);
|
|
}
|
|
|
|
if (!rp.sysRoot.isEmpty()) {
|
|
runCommand({"set sysroot " + rp.sysRoot});
|
|
// sysroot is not enough to correctly locate the sources, so explicitly
|
|
// relocate the most likely place for the debug source
|
|
runCommand({"set substitute-path /usr/src " + rp.sysRoot + "/usr/src"});
|
|
}
|
|
|
|
//QByteArray ba = QFileInfo(sp.dumperLibrary).path().toLocal8Bit();
|
|
//if (!ba.isEmpty())
|
|
// runCommand("set solib-search-path " + ba);
|
|
|
|
if (boolSetting(MultiInferior) || runParameters().multiProcess) {
|
|
//runCommand("set follow-exec-mode new");
|
|
runCommand({"set detach-on-fork off"});
|
|
}
|
|
|
|
// Finally, set up Python.
|
|
// We need to guarantee a roundtrip before the adapter proceeds.
|
|
// Make sure this stays the last command in startGdb().
|
|
// Don't use ConsoleCommand, otherwise Mac won't markup the output.
|
|
const QString dumperSourcePath = ICore::resourcePath() + "/debugger/";
|
|
|
|
if (terminal()->isUsable())
|
|
runCommand({"set inferior-tty " + QString::fromUtf8(terminal()->slaveDevice())});
|
|
|
|
const QFileInfo gdbBinaryFile(rp.debugger.executable);
|
|
const QString uninstalledData = gdbBinaryFile.absolutePath() + "/data-directory/python";
|
|
|
|
runCommand({"python sys.path.insert(1, '" + dumperSourcePath + "')"});
|
|
runCommand({"python sys.path.append('" + uninstalledData + "')"});
|
|
runCommand({"python from gdbbridge import *"});
|
|
|
|
const QString path = stringSetting(ExtraDumperFile);
|
|
if (!path.isEmpty() && QFileInfo(path).isReadable()) {
|
|
DebuggerCommand cmd("addDumperModule");
|
|
cmd.arg("path", path);
|
|
runCommand(cmd);
|
|
}
|
|
|
|
const QString commands = stringSetting(ExtraDumperCommands);
|
|
if (!commands.isEmpty())
|
|
runCommand({commands});
|
|
|
|
runCommand({"loadDumpers", CB(handlePythonSetup)});
|
|
}
|
|
|
|
void GdbEngine::handleGdbStartFailed()
|
|
{
|
|
}
|
|
|
|
void GdbEngine::loadInitScript()
|
|
{
|
|
const QString script = runParameters().overrideStartScript;
|
|
if (!script.isEmpty()) {
|
|
if (QFileInfo(script).isReadable()) {
|
|
runCommand({"source " + script});
|
|
} else {
|
|
AsynchronousMessageBox::warning(
|
|
tr("Cannot find debugger initialization script"),
|
|
tr("The debugger settings point to a script file at \"%1\" "
|
|
"which is not accessible. If a script file is not needed, "
|
|
"consider clearing that entry to avoid this warning. "
|
|
).arg(script));
|
|
}
|
|
} else {
|
|
const QString commands = nativeStartupCommands().trimmed();
|
|
if (!commands.isEmpty())
|
|
runCommand({commands});
|
|
}
|
|
}
|
|
|
|
void GdbEngine::setEnvironmentVariables()
|
|
{
|
|
Environment sysEnv = Environment::systemEnvironment();
|
|
Environment runEnv = runParameters().inferior.environment;
|
|
foreach (const EnvironmentItem &item, sysEnv.diff(runEnv)) {
|
|
if (item.unset)
|
|
runCommand({"unset environment " + item.name});
|
|
else
|
|
runCommand({"-gdb-set environment " + item.name + '='
|
|
+ item.value});
|
|
}
|
|
}
|
|
|
|
void GdbEngine::reloadDebuggingHelpers()
|
|
{
|
|
runCommand({"reloadDumpers"});
|
|
reloadLocals();
|
|
}
|
|
|
|
void GdbEngine::handleGdbError(QProcess::ProcessError error)
|
|
{
|
|
const QString msg = errorMessage(error);
|
|
showMessage("HANDLE GDB ERROR: " + msg);
|
|
// Show a message box for asynchronously reported issues.
|
|
switch (error) {
|
|
case QProcess::FailedToStart:
|
|
// This should be handled by the code trying to start the process.
|
|
break;
|
|
case QProcess::Crashed:
|
|
// This does not seem to get processFinished() in all cases.
|
|
m_gdbProc.disconnect();
|
|
handleGdbFinished(m_gdbProc.exitCode(), QProcess::CrashExit);
|
|
break;
|
|
case QProcess::ReadError:
|
|
case QProcess::WriteError:
|
|
case QProcess::Timedout:
|
|
default:
|
|
//m_gdbProc->kill();
|
|
//notifyEngineIll();
|
|
AsynchronousMessageBox::critical(tr("GDB I/O Error"), msg);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void GdbEngine::handleGdbFinished(int exitCode, QProcess::ExitStatus exitStatus)
|
|
{
|
|
if (m_commandTimer.isActive())
|
|
m_commandTimer.stop();
|
|
|
|
notifyDebuggerProcessFinished(exitCode, exitStatus, "GDB");
|
|
}
|
|
|
|
void GdbEngine::abortDebugger()
|
|
{
|
|
if (isDying()) {
|
|
// We already tried. Try harder.
|
|
showMessage("ABORTING DEBUGGER. SECOND TIME.");
|
|
m_gdbProc.kill();
|
|
} else {
|
|
// Be friendly the first time. This will change targetState().
|
|
showMessage("ABORTING DEBUGGER. FIRST TIME.");
|
|
quitDebugger();
|
|
}
|
|
}
|
|
|
|
void GdbEngine::resetInferior()
|
|
{
|
|
if (!runParameters().commandsForReset.isEmpty()) {
|
|
const QString commands = expand(runParameters().commandsForReset);
|
|
foreach (QString command, commands.split('\n')) {
|
|
command = command.trimmed();
|
|
if (!command.isEmpty())
|
|
runCommand({command, ConsoleCommand | NeedsTemporaryStop | NativeCommand});
|
|
}
|
|
}
|
|
m_rerunPending = true;
|
|
requestInterruptInferior();
|
|
runEngine();
|
|
}
|
|
|
|
void GdbEngine::handleAdapterStartFailed(const QString &msg, Id settingsIdHint)
|
|
{
|
|
CHECK_STATE(EngineSetupOk);
|
|
showMessage("ADAPTER START FAILED");
|
|
if (!msg.isEmpty() && !Internal::isTestRun()) {
|
|
const QString title = tr("Adapter start failed");
|
|
if (!settingsIdHint.isValid()) {
|
|
ICore::showWarningWithOptions(title, msg);
|
|
} else {
|
|
ICore::showWarningWithOptions(title, msg, QString(), settingsIdHint);
|
|
}
|
|
}
|
|
notifyEngineSetupFailed();
|
|
}
|
|
|
|
void GdbEngine::notifyInferiorSetupFailed()
|
|
{
|
|
// FIXME: that's not enough to stop gdb from getting confused
|
|
// by a timeout of the adapter.
|
|
//resetCommandQueue();
|
|
DebuggerEngine::notifyInferiorSetupFailed();
|
|
}
|
|
|
|
void GdbEngine::prepareForRestart()
|
|
{
|
|
m_rerunPending = false;
|
|
m_commandsDoneCallback = 0;
|
|
m_commandForToken.clear();
|
|
m_flagsForToken.clear();
|
|
}
|
|
|
|
void GdbEngine::handleInferiorPrepared()
|
|
{
|
|
const DebuggerRunParameters &rp = runParameters();
|
|
|
|
CHECK_STATE(InferiorSetupRequested);
|
|
|
|
if (!rp.commandsAfterConnect.isEmpty()) {
|
|
const QString commands = expand(rp.commandsAfterConnect);
|
|
for (const QString &command : commands.split('\n'))
|
|
runCommand({command, NativeCommand});
|
|
}
|
|
|
|
//runCommand("set follow-exec-mode new");
|
|
if (rp.breakOnMain)
|
|
runCommand({"tbreak " + mainFunction(rp)});
|
|
|
|
// Initial attempt to set breakpoints.
|
|
if (rp.startMode != AttachCore) {
|
|
showStatusMessage(tr("Setting breakpoints..."));
|
|
showMessage(tr("Setting breakpoints..."));
|
|
attemptBreakpointSynchronization();
|
|
}
|
|
|
|
if (m_commandForToken.isEmpty()) {
|
|
finishInferiorSetup();
|
|
} else {
|
|
QTC_CHECK(m_commandsDoneCallback == 0);
|
|
m_commandsDoneCallback = &GdbEngine::finishInferiorSetup;
|
|
}
|
|
}
|
|
|
|
void GdbEngine::finishInferiorSetup()
|
|
{
|
|
CHECK_STATE(InferiorSetupRequested);
|
|
|
|
if (runParameters().startMode != AttachCore) { // No breakpoints in core files.
|
|
const bool onAbort = boolSetting(BreakOnAbort);
|
|
const bool onWarning = boolSetting(BreakOnWarning);
|
|
const bool onFatal = boolSetting(BreakOnFatal);
|
|
if (onAbort || onWarning || onFatal) {
|
|
DebuggerCommand cmd("createSpecialBreakpoints");
|
|
cmd.arg("breakonabort", onAbort);
|
|
cmd.arg("breakonwarning", onWarning);
|
|
cmd.arg("breakonfatal", onFatal);
|
|
runCommand(cmd);
|
|
}
|
|
}
|
|
|
|
// It is ok to cut corners here and not wait for createSpecialBreakpoints()'s
|
|
// response, as the command is synchronous from Creator's point of view,
|
|
// and even if it fails (e.g. due to stripped binaries), continuing with
|
|
// the start up is the best we can do.
|
|
notifyInferiorSetupOk();
|
|
}
|
|
|
|
void GdbEngine::handleDebugInfoLocation(const DebuggerResponse &response)
|
|
{
|
|
if (response.resultClass == ResultDone) {
|
|
const QString debugInfoLocation = runParameters().debugInfoLocation;
|
|
if (QFile::exists(debugInfoLocation)) {
|
|
const QString curDebugInfoLocations = response.consoleStreamOutput.split('"').value(1);
|
|
QString cmd = "set debug-file-directory " + debugInfoLocation;
|
|
if (!curDebugInfoLocations.isEmpty())
|
|
cmd += HostOsInfo::pathListSeparator() + curDebugInfoLocations;
|
|
runCommand({cmd});
|
|
}
|
|
}
|
|
}
|
|
|
|
void GdbEngine::notifyInferiorSetupFailed(const QString &msg)
|
|
{
|
|
showStatusMessage(tr("Failed to start application:") + ' ' + msg);
|
|
if (state() == EngineSetupFailed) {
|
|
showMessage("INFERIOR START FAILED, BUT ADAPTER DIED ALREADY");
|
|
return; // Adapter crashed meanwhile, so this notification is meaningless.
|
|
}
|
|
showMessage("INFERIOR START FAILED");
|
|
AsynchronousMessageBox::critical(tr("Failed to start application"), msg);
|
|
DebuggerEngine::notifyInferiorSetupFailed();
|
|
}
|
|
|
|
void GdbEngine::handleAdapterCrashed(const QString &msg)
|
|
{
|
|
showMessage("ADAPTER CRASHED");
|
|
|
|
// The adapter is expected to have cleaned up after itself when we get here,
|
|
// so the effect is about the same as AdapterStartFailed => use it.
|
|
// Don't bother with state transitions - this can happen in any state and
|
|
// the end result is always the same, so it makes little sense to find a
|
|
// "path" which does not assert.
|
|
if (state() == EngineSetupRequested)
|
|
notifyEngineSetupFailed();
|
|
else
|
|
notifyEngineIll();
|
|
|
|
// No point in being friendly here ...
|
|
m_gdbProc.kill();
|
|
|
|
if (!msg.isEmpty())
|
|
AsynchronousMessageBox::critical(tr("Adapter crashed"), msg);
|
|
}
|
|
|
|
void GdbEngine::createFullBacktrace()
|
|
{
|
|
DebuggerCommand cmd("thread apply all bt full", NeedsTemporaryStop | ConsoleCommand);
|
|
cmd.callback = [this](const DebuggerResponse &response) {
|
|
if (response.resultClass == ResultDone) {
|
|
Internal::openTextEditor("Backtrace $",
|
|
response.consoleStreamOutput + response.logStreamOutput);
|
|
}
|
|
};
|
|
runCommand(cmd);
|
|
}
|
|
|
|
void GdbEngine::resetCommandQueue()
|
|
{
|
|
m_commandTimer.stop();
|
|
if (!m_commandForToken.isEmpty()) {
|
|
QString msg;
|
|
QTextStream ts(&msg);
|
|
ts << "RESETING COMMAND QUEUE. LEFT OVER TOKENS: ";
|
|
foreach (const DebuggerCommand &cmd, m_commandForToken)
|
|
ts << "CMD:" << cmd.function;
|
|
m_commandForToken.clear();
|
|
m_flagsForToken.clear();
|
|
showMessage(msg);
|
|
}
|
|
}
|
|
|
|
bool GdbEngine::usesExecInterrupt() const
|
|
{
|
|
DebuggerStartMode mode = runParameters().startMode;
|
|
return (mode == AttachToRemoteServer || mode == AttachToRemoteProcess)
|
|
&& usesTargetAsync();
|
|
}
|
|
|
|
bool GdbEngine::usesTargetAsync() const
|
|
{
|
|
return runParameters().useTargetAsync || boolSetting(TargetAsync);
|
|
}
|
|
|
|
void GdbEngine::scheduleTestResponse(int testCase, const QString &response)
|
|
{
|
|
if (!m_testCases.contains(testCase) && runParameters().testCase != testCase)
|
|
return;
|
|
|
|
int token = currentToken() + 1;
|
|
showMessage(QString("SCHEDULING TEST RESPONSE (CASE: %1, TOKEN: %2, RESPONSE: %3)")
|
|
.arg(testCase).arg(token).arg(response));
|
|
m_scheduledTestResponses[token] = response;
|
|
}
|
|
|
|
void GdbEngine::requestDebugInformation(const DebugInfoTask &task)
|
|
{
|
|
QProcess::startDetached(task.command);
|
|
}
|
|
|
|
QString GdbEngine::msgGdbStopFailed(const QString &why)
|
|
{
|
|
return tr("The gdb process could not be stopped:\n%1").arg(why);
|
|
}
|
|
|
|
QString GdbEngine::msgInferiorStopFailed(const QString &why)
|
|
{
|
|
return tr("Application process could not be stopped:\n%1").arg(why);
|
|
}
|
|
|
|
QString GdbEngine::msgInferiorSetupOk()
|
|
{
|
|
return tr("Application started");
|
|
}
|
|
|
|
QString GdbEngine::msgInferiorRunOk()
|
|
{
|
|
return tr("Application running");
|
|
}
|
|
|
|
QString GdbEngine::msgAttachedToStoppedInferior()
|
|
{
|
|
return tr("Attached to stopped application");
|
|
}
|
|
|
|
QString GdbEngine::msgConnectRemoteServerFailed(const QString &why)
|
|
{
|
|
return tr("Connecting to remote server failed:\n%1").arg(why);
|
|
}
|
|
|
|
void GdbEngine::interruptLocalInferior(qint64 pid)
|
|
{
|
|
QTC_ASSERT(state() == InferiorStopRequested, qDebug() << state(); return);
|
|
if (pid <= 0) {
|
|
showMessage("TRYING TO INTERRUPT INFERIOR BEFORE PID WAS OBTAINED", LogError);
|
|
return;
|
|
}
|
|
QString errorMessage;
|
|
if (interruptProcess(pid, GdbEngineType, &errorMessage)) {
|
|
showMessage("Interrupted " + QString::number(pid));
|
|
} else {
|
|
showMessage(errorMessage, LogError);
|
|
notifyInferiorStopFailed();
|
|
}
|
|
}
|
|
|
|
void GdbEngine::debugLastCommand()
|
|
{
|
|
runCommand(m_lastDebuggableCommand);
|
|
}
|
|
|
|
//
|
|
// Factory
|
|
//
|
|
|
|
DebuggerEngine *createGdbEngine(bool useTerminal, DebuggerStartMode sm)
|
|
{
|
|
switch (sm) {
|
|
case AttachCore:
|
|
return new GdbCoreEngine(useTerminal);
|
|
case StartRemoteProcess:
|
|
case AttachToRemoteServer:
|
|
return new GdbRemoteServerEngine(useTerminal);
|
|
case AttachExternal:
|
|
return new GdbAttachEngine(useTerminal);
|
|
default:
|
|
if (useTerminal)
|
|
return new GdbTermEngine(useTerminal);
|
|
return new GdbPlainEngine(useTerminal);
|
|
}
|
|
}
|
|
|
|
void GdbEngine::doUpdateLocals(const UpdateParameters ¶ms)
|
|
{
|
|
m_pendingBreakpointRequests = 0;
|
|
|
|
watchHandler()->notifyUpdateStarted(params);
|
|
|
|
DebuggerCommand cmd("fetchVariables", Discardable|InUpdateLocals);
|
|
watchHandler()->appendFormatRequests(&cmd);
|
|
watchHandler()->appendWatchersAndTooltipRequests(&cmd);
|
|
|
|
const static bool alwaysVerbose = qEnvironmentVariableIsSet("QTC_DEBUGGER_PYTHON_VERBOSE");
|
|
cmd.arg("passexceptions", alwaysVerbose);
|
|
cmd.arg("fancy", boolSetting(UseDebuggingHelpers));
|
|
cmd.arg("autoderef", boolSetting(AutoDerefPointers));
|
|
cmd.arg("dyntype", boolSetting(UseDynamicType));
|
|
cmd.arg("qobjectnames", boolSetting(ShowQObjectNames));
|
|
|
|
StackFrame frame = stackHandler()->currentFrame();
|
|
cmd.arg("context", frame.context);
|
|
cmd.arg("nativemixed", isNativeMixedActive());
|
|
|
|
cmd.arg("stringcutoff", action(MaximalStringLength)->value().toString());
|
|
cmd.arg("displaystringlimit", action(DisplayStringLimit)->value().toString());
|
|
|
|
cmd.arg("resultvarname", m_resultVarName);
|
|
cmd.arg("partialvar", params.partialVariable);
|
|
|
|
m_lastDebuggableCommand = cmd;
|
|
m_lastDebuggableCommand.arg("passexceptions", "1");
|
|
|
|
cmd.callback = CB(handleFetchVariables);
|
|
|
|
runCommand(cmd);
|
|
}
|
|
|
|
void GdbEngine::handleFetchVariables(const DebuggerResponse &response)
|
|
{
|
|
m_inUpdateLocals = false;
|
|
updateLocalsView(response.data);
|
|
watchHandler()->notifyUpdateFinished();
|
|
}
|
|
|
|
QString GdbEngine::msgPtraceError(DebuggerStartMode sm)
|
|
{
|
|
if (sm == StartInternal) {
|
|
return QCoreApplication::translate("QtDumperHelper",
|
|
"ptrace: Operation not permitted.\n\n"
|
|
"Could not attach to the process. "
|
|
"Make sure no other debugger traces this process.\n"
|
|
"Check the settings of\n"
|
|
"/proc/sys/kernel/yama/ptrace_scope\n"
|
|
"For more details, see /etc/sysctl.d/10-ptrace.conf\n");
|
|
}
|
|
return QCoreApplication::translate("QtDumperHelper",
|
|
"ptrace: Operation not permitted.\n\n"
|
|
"Could not attach to the process. "
|
|
"Make sure no other debugger traces this process.\n"
|
|
"If your uid matches the uid\n"
|
|
"of the target process, check the settings of\n"
|
|
"/proc/sys/kernel/yama/ptrace_scope\n"
|
|
"For more details, see /etc/sysctl.d/10-ptrace.conf\n");
|
|
}
|
|
|
|
} // namespace Internal
|
|
} // namespace Debugger
|
|
|
|
Q_DECLARE_METATYPE(Debugger::Internal::GdbMi)
|