gdbengine.cpp 149 KB
Newer Older
1
/**************************************************************************
con's avatar
con committed
2
3
4
**
** This file is part of Qt Creator
**
5
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
con's avatar
con committed
6
**
7
** Contact: Nokia Corporation (qt-info@nokia.com)
con's avatar
con committed
8
**
9
** Commercial Usage
10
**
11
12
13
14
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
15
**
16
** GNU Lesser General Public License Usage
17
**
18
19
20
21
22
23
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24
**
25
** If you are unsure which license is appropriate for your use, please
hjk's avatar
hjk committed
26
** contact the sales department at http://qt.nokia.com/contact.
con's avatar
con committed
27
**
28
**************************************************************************/
con's avatar
con committed
29

30
31
#define QT_NO_CAST_FROM_ASCII

con's avatar
con committed
32
#include "gdbengine.h"
33
#include "gdboptionspage.h"
34
35
#include "trkoptions.h"
#include "trkoptionspage.h"
36

37
38
#include "attachgdbadapter.h"
#include "coregdbadapter.h"
hjk's avatar
hjk committed
39
#include "plaingdbadapter.h"
40
#include "remotegdbadapter.h"
41
#include "trkgdbadapter.h"
con's avatar
con committed
42

43
#include "watchutils.h"
44
#include "debuggeractions.h"
45
#include "debuggeragents.h"
con's avatar
con committed
46
47
#include "debuggerconstants.h"
#include "debuggermanager.h"
48
#include "debuggertooltip.h"
49
#include "debuggerstringutils.h"
con's avatar
con committed
50
51
52
53
54
55
56
#include "gdbmi.h"

#include "breakhandler.h"
#include "moduleshandler.h"
#include "registerhandler.h"
#include "stackhandler.h"
#include "watchhandler.h"
57
#include "sourcefileswindow.h"
con's avatar
con committed
58

59
#include "debuggerdialogs.h"
con's avatar
con committed
60

hjk's avatar
hjk committed
61
#include <utils/qtcassert.h>
62
#include <utils/fancymainwindow.h>
63
#include <texteditor/itexteditor.h>
64
#include <projectexplorer/toolchain.h>
65
#include <coreplugin/icore.h>
hjk's avatar
hjk committed
66

con's avatar
con committed
67
68
69
#include <QtCore/QDebug>
#include <QtCore/QDir>
#include <QtCore/QFileInfo>
70
#include <QtCore/QMetaObject>
con's avatar
con committed
71
72
#include <QtCore/QTime>
#include <QtCore/QTimer>
73
#include <QtCore/QTextStream>
con's avatar
con committed
74
75

#include <QtGui/QAction>
76
#include <QtCore/QCoreApplication>
con's avatar
con committed
77
78
79
#include <QtGui/QLabel>
#include <QtGui/QMainWindow>
#include <QtGui/QMessageBox>
80
81
#include <QtGui/QDialogButtonBox>
#include <QtGui/QPushButton>
82
#ifdef Q_OS_WIN
83
#    include "shared/sharedlibraryinjector.h"
84
#endif
con's avatar
con committed
85

Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
86
#ifdef Q_OS_UNIX
con's avatar
con committed
87
88
89
#include <unistd.h>
#include <dlfcn.h>
#endif
hjk's avatar
hjk committed
90
#include <ctype.h>
con's avatar
con committed
91

hjk's avatar
hjk committed
92
// FIXME: temporary hack to evalute tbreak based step-over behaviour
hjk's avatar
hjk committed
93
94
95
static QString lastFile;
static int lastLine;

96
97
namespace Debugger {
namespace Internal {
con's avatar
con committed
98
99

//#define DEBUG_PENDING  1
100
//#define DEBUG_SUBITEM  1
con's avatar
con committed
101
102
103
104

#if DEBUG_PENDING
#   define PENDING_DEBUG(s) qDebug() << s
#else
Roberto Raggi's avatar
Roberto Raggi committed
105
#   define PENDING_DEBUG(s)
con's avatar
con committed
106
107
#endif

Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
108
109
#define STRINGIFY_INTERNAL(x) #x
#define STRINGIFY(x) STRINGIFY_INTERNAL(x)
110
111
#define CB(callback) &GdbEngine::callback, STRINGIFY(callback)

hjk's avatar
hjk committed
112
static bool stateAcceptsGdbCommands(DebuggerState state)
hjk's avatar
hjk committed
113
114
{
    return state == AdapterStarted
115
        || state == InferiorUnrunnable
hjk's avatar
hjk committed
116
117
118
        || state == InferiorPreparing
        || state == InferiorPrepared
        || state == InferiorStarting
hjk's avatar
hjk committed
119
120
121
122
        || state == InferiorRunningRequested
        || state == InferiorRunning
        || state == InferiorStopping
        || state == InferiorStopped
hjk's avatar
hjk committed
123
124
125
126
127
        || state == InferiorShuttingDown
        || state == InferiorShutDown
        || state == AdapterShuttingDown;
};

con's avatar
con committed
128
129
130
131
132
133
static int &currentToken()
{
    static int token = 0;
    return token;
}

134
// reads a MI-encoded item frome the consolestream
hjk's avatar
hjk committed
135
static bool parseConsoleStream(const GdbResponse &response, GdbMi *contents)
136
{
hjk's avatar
hjk committed
137
    GdbMi output = response.data.findChild("consolestreamoutput");
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
    QByteArray out = output.data();

    int markerPos = out.indexOf('"') + 1; // position of 'success marker'
    if (markerPos == 0 || out.at(markerPos) == 'f') {  // 't' or 'f'
        // custom dumper produced no output
        return false;
    }

    out = out.mid(markerPos +  1);
    out = out.left(out.lastIndexOf('"'));
    // optimization: dumper output never needs real C unquoting
    out.replace('\\', "");
    out = "dummy={" + out + "}";

    contents->fromString(out);
    //qDebug() << "CONTENTS" << contents->toString(true);
    return contents->isValid();
}

hjk's avatar
hjk committed
157
static QByteArray parsePlainConsoleStream(const GdbResponse &response)
158
{
hjk's avatar
hjk committed
159
    GdbMi output = response.data.findChild("consolestreamoutput");
160
161
162
163
164
165
166
167
168
169
    QByteArray out = output.data();
    // FIXME: proper decoding needed
    if (out.endsWith("\\n"))
        out.chop(2);
    while (out.endsWith('\n') || out.endsWith(' '))
        out.chop(1);
    int pos = out.indexOf(" = ");
    return out.mid(pos + 3);
}

con's avatar
con committed
170
171
172
173
174
175
///////////////////////////////////////////////////////////////////////
//
// GdbEngine
//
///////////////////////////////////////////////////////////////////////

hjk's avatar
hjk committed
176
177
GdbEngine::GdbEngine(DebuggerManager *manager) :
    IDebuggerEngine(manager),
178
#ifdef Q_OS_WIN // Do injection loading with MinGW (call loading does not work with 64bit)
hjk's avatar
hjk committed
179
    m_dumperInjectionLoad(true)
180
#else
hjk's avatar
hjk committed
181
    m_dumperInjectionLoad(false)
182
#endif
con's avatar
con committed
183
{
hjk's avatar
hjk committed
184
    m_gdbAdapter = 0;
185
186
187
188
    QSharedPointer<TrkOptions> options(new TrkOptions);
    options->fromSettings(Core::ICore::instance()->settings());
    m_plainAdapter = new PlainGdbAdapter(this);
    m_trkAdapter = new TrkGdbAdapter(this, options);
189
190
    m_remoteAdapter = new RemoteGdbAdapter(this);
    m_coreAdapter = new CoreGdbAdapter(this);
191
    m_attachAdapter = new AttachGdbAdapter(this);
192
193
194
195
196
197
198
199
200
201
202
203
204
205

    // Output
    connect(&m_outputCollector, SIGNAL(byteDelivery(QByteArray)),
        this, SLOT(readDebugeeOutput(QByteArray)));

    connect(this, SIGNAL(gdbOutputAvailable(int,QString)),
        m_manager, SLOT(showDebuggerOutput(int,QString)),
        Qt::QueuedConnection);
    connect(this, SIGNAL(gdbInputAvailable(int,QString)),
        m_manager, SLOT(showDebuggerInput(int,QString)),
        Qt::QueuedConnection);
    connect(this, SIGNAL(applicationOutputAvailable(QString)),
        m_manager, SLOT(showApplicationOutput(QString)),
        Qt::QueuedConnection);
206
}
207

208
void GdbEngine::connectDebuggingHelperActions()
209
{
210
211
212
213
214
215
    connect(theDebuggerAction(UseDebuggingHelpers), SIGNAL(valueChanged(QVariant)),
            this, SLOT(setUseDebuggingHelpers(QVariant)));
    connect(theDebuggerAction(DebugDebuggingHelpers), SIGNAL(valueChanged(QVariant)),
            this, SLOT(setDebugDebuggingHelpers(QVariant)));
    connect(theDebuggerAction(RecheckDebuggingHelpers), SIGNAL(triggered()),
            this, SLOT(recheckDebuggingHelperAvailability()));
216
217
}
   
218
219
220
221
222
223
224
void GdbEngine::disconnectDebuggingHelperActions()
{
    disconnect(theDebuggerAction(UseDebuggingHelpers), 0, this, 0);
    disconnect(theDebuggerAction(DebugDebuggingHelpers), 0, this, 0);
    disconnect(theDebuggerAction(RecheckDebuggingHelpers), 0, this, 0);
}

225
226
227
228
DebuggerStartMode GdbEngine::startMode() const
{
    QTC_ASSERT(!m_startParameters.isNull(), return NoStartMode);
    return m_startParameters->startMode;
con's avatar
con committed
229
230
}

231
232
233
234
235
QMainWindow *GdbEngine::mainWindow() const
{
    return m_manager->mainWindow();
}

con's avatar
con committed
236
237
GdbEngine::~GdbEngine()
{
hjk's avatar
hjk committed
238
    // prevent sending error messages afterwards
hjk's avatar
hjk committed
239
240
    if (m_gdbAdapter) {
        m_gdbAdapter->disconnect(this);
241
        //delete m_gdbAdapter;
hjk's avatar
hjk committed
242
243
        m_gdbAdapter = 0;
    }
244
245
246
    delete m_plainAdapter;
    delete m_trkAdapter;
    delete m_remoteAdapter;
247
    delete m_coreAdapter;
248
    delete m_attachAdapter;
hjk's avatar
hjk committed
249
250
}

251
void GdbEngine::connectAdapter()
con's avatar
con committed
252
253
{
    // Gdb Process interaction
hjk's avatar
hjk committed
254
    connect(m_gdbAdapter, SIGNAL(readyReadStandardOutput()),
255
        this, SLOT(readGdbStandardOutput()));
hjk's avatar
hjk committed
256
    connect(m_gdbAdapter, SIGNAL(readyReadStandardError()),
257
        this, SLOT(readGdbStandardError()));
hjk's avatar
hjk committed
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279

    connect(m_gdbAdapter, SIGNAL(adapterStarted()),
        this, SLOT(handleAdapterStarted()));
    connect(m_gdbAdapter, SIGNAL(adapterStartFailed(QString)),
        this, SLOT(handleAdapterStartFailed(QString)));
    connect(m_gdbAdapter, SIGNAL(adapterShutDown()),
        this, SLOT(handleAdapterShutDown()));
    connect(m_gdbAdapter, SIGNAL(adapterShutdownFailed(QString)),
        this, SLOT(handleAdapterShutdownFailed(QString)));

    connect(m_gdbAdapter, SIGNAL(inferiorPrepared()),
        this, SLOT(handleInferiorPrepared()));
    connect(m_gdbAdapter, SIGNAL(inferiorPreparationFailed(QString)),
        this, SLOT(handleInferiorPreparationFailed(QString)));

    connect(m_gdbAdapter, SIGNAL(inferiorStartFailed(QString)),
        this, SLOT(handleInferiorStartFailed(QString)));
    connect(m_gdbAdapter, SIGNAL(inferiorShutDown()),
        this, SLOT(handleInferiorShutDown()));
    connect(m_gdbAdapter, SIGNAL(inferiorShutdownFailed(QString)),
        this, SLOT(handleInferiorShutdownFailed(QString)));

280
281
    connect(m_gdbAdapter, SIGNAL(adapterCrashed(QString)),
        this, SLOT(handleAdapterCrashed(QString)));
282
}
283

284
285
void GdbEngine::disconnectAdapter()
{
286
    disconnect(m_gdbAdapter, 0, this, 0);
con's avatar
con committed
287
288
}

289
290
void GdbEngine::initializeVariables()
{
291
    m_debuggingHelperState = DebuggingHelperUninitialized;
292
    m_gdbVersion = 100;
hjk's avatar
hjk committed
293
    m_gdbBuildVersion = -1;
294
295
296
297
298
299
300
301
302

    m_fullToShortName.clear();
    m_shortToFullName.clear();
    m_varToType.clear();

    m_modulesListOutdated = true;
    m_oldestAcceptableToken = -1;
    m_outputCodec = QTextCodec::codecForLocale();
    m_pendingRequests = 0;
hjk's avatar
hjk committed
303
    m_continuationAfterDone = 0;
304
    m_commandsToRunOnTemporaryBreak.clear();
305
    m_cookieForToken.clear();
306
307
308
309
310
311
312
313
314
315
    m_customOutputForToken.clear();

    m_pendingConsoleStreamOutput.clear();
    m_pendingTargetStreamOutput.clear();
    m_pendingLogStreamOutput.clear();

    m_inbuffer.clear();

    m_currentFunctionArgs.clear();
    m_currentFrame.clear();
316
    m_dumperHelper.clear();
317
318
319

    // FIXME: unhandled:
    //m_outputCodecState = QTextCodec::ConverterState();
320
    //m_gdbAdapter;
321
322
}

323
QString GdbEngine::errorMessage(QProcess::ProcessError error)
con's avatar
con committed
324
325
326
{
    switch (error) {
        case QProcess::FailedToStart:
327
            return tr("The Gdb process failed to start. Either the "
con's avatar
con committed
328
                "invoked program '%1' is missing, or you may have insufficient "
Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
329
                "permissions to invoke the program.")
hjk's avatar
hjk committed
330
                .arg(theDebuggerStringSetting(GdbLocation));
con's avatar
con committed
331
        case QProcess::Crashed:
332
            return tr("The Gdb process crashed some time after starting "
con's avatar
con committed
333
334
                "successfully.");
        case QProcess::Timedout:
335
            return tr("The last waitFor...() function timed out. "
con's avatar
con committed
336
337
338
                "The state of QProcess is unchanged, and you can try calling "
                "waitFor...() again.");
        case QProcess::WriteError:
339
            return tr("An error occurred when attempting to write "
con's avatar
con committed
340
341
342
                "to the Gdb process. For example, the process may not be running, "
                "or it may have closed its input channel.");
        case QProcess::ReadError:
343
            return tr("An error occurred when attempting to read from "
con's avatar
con committed
344
345
                "the Gdb process. For example, the process may not be running.");
        default:
346
            return tr("An unknown error in the Gdb process occurred. ");
con's avatar
con committed
347
348
349
350
351
352
353
    }
}

#if 0
static void dump(const char *first, const char *middle, const QString & to)
{
    QByteArray ba(first, middle - first);
354
    Q_UNUSED(to)
con's avatar
con committed
355
356
357
358
359
360
361
362
363
364
365
    // note that qDebug cuts off output after a certain size... (bug?)
    qDebug("\n>>>>> %s\n%s\n====\n%s\n<<<<<\n",
        qPrintable(currentTime()),
        qPrintable(QString(ba).trimmed()),
        qPrintable(to.trimmed()));
    //qDebug() << "";
    //qDebug() << qPrintable(currentTime())
    //    << " Reading response:  " << QString(ba).trimmed() << "\n";
}
#endif

366
367
368
369
370
371
void GdbEngine::readDebugeeOutput(const QByteArray &data)
{
    emit applicationOutputAvailable(m_outputCodec->toUnicode(
            data.constData(), data.length(), &m_outputCodecState));
}

hjk's avatar
hjk committed
372
373
void GdbEngine::debugMessage(const QString &msg)
{
374
    emit gdbOutputAvailable(LogDebug, msg);
hjk's avatar
hjk committed
375
376
}

377
void GdbEngine::handleResponse(const QByteArray &buff)
con's avatar
con committed
378
379
380
{
    static QTime lastTime;

381
    if (theDebuggerBoolSetting(LogTimeStamps))
382
        emit gdbOutputAvailable(LogTime, currentTime());
383
    emit gdbOutputAvailable(LogOutput, QString::fromLocal8Bit(buff, buff.length()));
con's avatar
con committed
384
385
386
387
388

#if 0
    qDebug() // << "#### start response handling #### "
        << currentTime()
        << lastTime.msecsTo(QTime::currentTime()) << "ms,"
389
390
        << "buf:" << buff.left(1500) << "..."
        //<< "buf:" << buff
391
        << "size:" << buff.size();
con's avatar
con committed
392
#else
393
    //qDebug() << "buf:" << buff;
con's avatar
con committed
394
395
396
397
#endif

    lastTime = QTime::currentTime();

398
399
    if (buff.isEmpty() || buff == "(gdb) ")
        return;
con's avatar
con committed
400

401
402
403
    const char *from = buff.constData();
    const char *to = from + buff.size();
    const char *inner;
con's avatar
con committed
404

405
406
407
408
    int token = -1;
    // token is a sequence of numbers
    for (inner = from; inner != to; ++inner)
        if (*inner < '0' || *inner > '9')
con's avatar
con committed
409
            break;
410
411
412
    if (from != inner) {
        token = QByteArray(from, inner - from).toInt();
        from = inner;
413
        //qDebug() << "found token" << token;
414
    }
con's avatar
con committed
415

hjk's avatar
hjk committed
416
    // next char decides kind of response
417
418
419
420
421
422
423
424
425
426
427
428
429
430
    const char c = *from++;
    //qDebug() << "CODE:" << c;
    switch (c) {
        case '*':
        case '+':
        case '=': {
            QByteArray asyncClass;
            for (; from != to; ++from) {
                const char c = *from;
                if (!isNameChar(c))
                    break;
                asyncClass += *from;
            }
            //qDebug() << "ASYNCCLASS" << asyncClass;
con's avatar
con committed
431

hjk's avatar
hjk committed
432
            GdbMi result;
433
434
            while (from != to) {
                GdbMi data;
hjk's avatar
hjk committed
435
                if (*from != ',') {
hjk's avatar
hjk committed
436
437
                    // happens on archer where we get 
                    // 23^running <NL> *running,thread-id="all" <NL> (gdb) 
hjk's avatar
hjk committed
438
                    result.m_type = GdbMi::Tuple;
hjk's avatar
hjk committed
439
440
441
442
443
                    break;
                }
                ++from; // skip ','
                data.parseResultOrValue(from, to);
                if (data.isValid()) {
hjk's avatar
hjk committed
444
445
446
                    //qDebug() << "parsed result:" << data.toString();
                    result.m_children += data;
                    result.m_type = GdbMi::Tuple;
con's avatar
con committed
447
448
                }
            }
449
            if (asyncClass == "stopped") {
hjk's avatar
hjk committed
450
                handleAsyncOutput(result);
451
452
            } else if (asyncClass == "running") {
                // Archer has 'thread-id="all"' here
453
454
455
456
            } 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",
457
                // symbols-loaded="0"
hjk's avatar
hjk committed
458
                QByteArray id = result.findChild("id").data();
459
                if (!id.isEmpty())
hjk's avatar
hjk committed
460
                    showStatusMessage(tr("Library %1 loaded.").arg(_(id)));
hjk's avatar
hjk committed
461
462
463
464
            } 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"
hjk's avatar
hjk committed
465
                QByteArray id = result.findChild("id").data();
hjk's avatar
hjk committed
466
                showStatusMessage(tr("Library %1 unloaded.").arg(_(id)));
467
468
            } else if (asyncClass == "thread-group-created") {
                // Archer has "{id="28902"}" 
hjk's avatar
hjk committed
469
                QByteArray id = result.findChild("id").data();
hjk's avatar
hjk committed
470
                showStatusMessage(tr("Thread group %1 created.").arg(_(id)));
471
472
            } else if (asyncClass == "thread-created") {
                //"{id="1",group-id="28902"}" 
hjk's avatar
hjk committed
473
                QByteArray id = result.findChild("id").data();
hjk's avatar
hjk committed
474
                showStatusMessage(tr("Thread %1 created.").arg(_(id)));
475
476
            } else if (asyncClass == "thread-group-exited") {
                // Archer has "{id="28902"}" 
hjk's avatar
hjk committed
477
                QByteArray id = result.findChild("id").data();
hjk's avatar
hjk committed
478
                showStatusMessage(tr("Thread group %1 exited.").arg(_(id)));
479
480
            } else if (asyncClass == "thread-exited") {
                //"{id="1",group-id="28902"}" 
hjk's avatar
hjk committed
481
482
                QByteArray id = result.findChild("id").data();
                QByteArray groupid = result.findChild("group-id").data();
hjk's avatar
hjk committed
483
                showStatusMessage(tr("Thread %1 in group %2 exited.")
Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
484
                    .arg(_(id)).arg(_(groupid)));
hjk's avatar
hjk committed
485
            } else if (asyncClass == "thread-selected") {
hjk's avatar
hjk committed
486
                QByteArray id = result.findChild("id").data();
hjk's avatar
hjk committed
487
                showStatusMessage(tr("Thread %1 selected.").arg(_(id)));
hjk's avatar
hjk committed
488
                //"{id="2"}" 
489
            #if defined(Q_OS_MAC)
490
491
492
493
494
495
496
497
498
499
500
            } else if (asyncClass == "shlibs-updated") {
                // MAC announces updated libs
            } else if (asyncClass == "shlibs-added") {
                // MAC announces added libs
                // {shlib-info={num="2", name="libmathCommon.A_debug.dylib",
                // kind="-", dyld-addr="0x7f000", reason="dyld", requested-state="Y",
                // state="Y", path="/usr/lib/system/libmathCommon.A_debug.dylib",
                // description="/usr/lib/system/libmathCommon.A_debug.dylib",
                // loaded_addr="0x7f000", slide="0x7f000", prefix=""}}
            #endif
            } else {
501
                qDebug() << "IGNORED ASYNC OUTPUT"
hjk's avatar
hjk committed
502
                    << asyncClass << result.toString();
503
            }
504
505
            break;
        }
506

507
        case '~': {
508
509
            QByteArray data = GdbMi::parseCString(from, to);
            m_pendingConsoleStreamOutput += data;
510
511
512
513
514
515
516

            // Parse pid from noise.
            if (!inferiorPid()) {
                // Linux/Mac gdb: [New [Tt]hread 0x545 (LWP 4554)]
                static QRegExp re1(_("New .hread 0x[0-9a-f]+ \\(LWP ([0-9]*)\\)"));
                // MinGW 6.8: [New thread 2437.0x435345]
                static QRegExp re2(_("New .hread ([0-9]+)\\.0x[0-9a-f]*"));
517
518
                // Mac: [Switching to process 9294 local thread 0x2e03]
                static QRegExp re3(_("Switching to process ([0-9]+) local thread"));
519
520
521
522
523
                QTC_ASSERT(re1.isValid() && re2.isValid(), return);
                if (re1.indexIn(_(data)) != -1)
                    maybeHandleInferiorPidChanged(re1.cap(1));
                else if (re2.indexIn(_(data)) != -1)
                    maybeHandleInferiorPidChanged(re2.cap(1));
524
525
                else if (re3.indexIn(_(data)) != -1)
                    maybeHandleInferiorPidChanged(re3.cap(1));
526
            }
527
528

            // Show some messages to give the impression something happens.
hjk's avatar
hjk committed
529
            if (data.startsWith("Reading symbols from "))
530
                showStatusMessage(tr("Reading %1...").arg(_(data.mid(21))), 1000);
531
532
533
            if (data.endsWith('\n'))
                data.chop(1);
            if (data.startsWith("[New ") || data.startsWith("[Thread "))
534
                showStatusMessage(_(data), 1000);
535
536
            break;
        }
537

538
        case '@': {
539
540
            QByteArray data = GdbMi::parseCString(from, to);
            m_pendingTargetStreamOutput += data;
541
            break;
con's avatar
con committed
542
543
        }

544
545
546
547
548
549
        case '&': {
            QByteArray data = GdbMi::parseCString(from, to);
            m_pendingLogStreamOutput += data;
            // On Windows, the contents seem to depend on the debugger
            // version and/or OS version used.
            if (data.startsWith("warning:"))
hjk's avatar
hjk committed
550
                manager()->showApplicationOutput(_(data.mid(9))); // cut "warning: "
con's avatar
con committed
551
552
553
            break;
        }

554
        case '^': {
hjk's avatar
hjk committed
555
            GdbResponse response;
con's avatar
con committed
556

hjk's avatar
hjk committed
557
            response.token = token;
con's avatar
con committed
558

559
560
561
            for (inner = from; inner != to; ++inner)
                if (*inner < 'a' || *inner > 'z')
                    break;
con's avatar
con committed
562

Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
563
            QByteArray resultClass = QByteArray::fromRawData(from, inner - from);
564
            if (resultClass == "done") {
hjk's avatar
hjk committed
565
                response.resultClass = GdbResultDone;
566
567
568
            } else if (resultClass == "running") {
                setState(InferiorRunning);
                showStatusMessage(tr("Running..."));
hjk's avatar
hjk committed
569
                response.resultClass = GdbResultRunning;
570
            } else if (resultClass == "connected") {
hjk's avatar
hjk committed
571
                response.resultClass = GdbResultConnected;
572
            } else if (resultClass == "error") {
hjk's avatar
hjk committed
573
                response.resultClass = GdbResultError;
574
            } else if (resultClass == "exit") {
hjk's avatar
hjk committed
575
                response.resultClass = GdbResultExit;
576
            } else {
hjk's avatar
hjk committed
577
                response.resultClass = GdbResultUnknown;
578
            }
con's avatar
con committed
579

580
581
            from = inner;
            if (from != to) {
hjk's avatar
hjk committed
582
583
                if (*from == ',') {
                    ++from;
hjk's avatar
hjk committed
584
585
586
                    response.data.parseTuple_helper(from, to);
                    response.data.m_type = GdbMi::Tuple;
                    response.data.m_name = "data";
hjk's avatar
hjk committed
587
588
                } else {
                    // Archer has this
hjk's avatar
hjk committed
589
590
                    response.data.m_type = GdbMi::Tuple;
                    response.data.m_name = "data";
con's avatar
con committed
591
592
                }
            }
593
594
595
596

            //qDebug() << "\nLOG STREAM:" + m_pendingLogStreamOutput;
            //qDebug() << "\nTARGET STREAM:" + m_pendingTargetStreamOutput;
            //qDebug() << "\nCONSOLE STREAM:" + m_pendingConsoleStreamOutput;
hjk's avatar
hjk committed
597
            response.data.setStreamOutput("logstreamoutput",
598
                m_pendingLogStreamOutput);
hjk's avatar
hjk committed
599
            response.data.setStreamOutput("targetstreamoutput",
600
                m_pendingTargetStreamOutput);
hjk's avatar
hjk committed
601
            response.data.setStreamOutput("consolestreamoutput",
602
603
604
                m_pendingConsoleStreamOutput);
            QByteArray custom = m_customOutputForToken[token];
            if (!custom.isEmpty())
hjk's avatar
hjk committed
605
                response.data.setStreamOutput("customvaluecontents",
606
607
608
609
610
611
                    '{' + custom + '}');
            //m_customOutputForToken.remove(token);
            m_pendingLogStreamOutput.clear();
            m_pendingTargetStreamOutput.clear();
            m_pendingConsoleStreamOutput.clear();

hjk's avatar
hjk committed
612
            handleResultRecord(response);
613
614
615
616
617
            break;
        }
        default: {
            qDebug() << "UNKNOWN RESPONSE TYPE" << c;
            break;
con's avatar
con committed
618
619
620
621
622
623
        }
    }
}

void GdbEngine::readGdbStandardError()
{
hjk's avatar
hjk committed
624
    qWarning() << "Unexpected gdb stderr:" << m_gdbAdapter->readAllStandardError();
con's avatar
con committed
625
626
627
628
}

void GdbEngine::readGdbStandardOutput()
{
629
630
    int newstart = 0;
    int scan = m_inbuffer.size();
con's avatar
con committed
631

hjk's avatar
hjk committed
632
    m_inbuffer.append(m_gdbAdapter->readAllStandardOutput());
con's avatar
con committed
633

634
635
    while (newstart < m_inbuffer.size()) {
        int start = newstart;
636
        int end = m_inbuffer.indexOf('\n', scan);
637
638
639
640
641
        if (end < 0) {
            m_inbuffer.remove(0, start);
            return;
        }
        newstart = end + 1;
642
        scan = newstart;
643
644
        if (end == start)
            continue;
645
        #if defined(Q_OS_WIN)
646
647
648
649
650
        if (m_inbuffer.at(end - 1) == '\r') {
            --end;
            if (end == start)
                continue;
        }
651
        #endif
652
        handleResponse(QByteArray::fromRawData(m_inbuffer.constData() + start, end - start));
con's avatar
con committed
653
    }
654
    m_inbuffer.clear();
con's avatar
con committed
655
656
657
658
}

void GdbEngine::interruptInferior()
{
hjk's avatar
hjk committed
659
    QTC_ASSERT(state() == InferiorRunning, qDebug() << state());
660

hjk's avatar
hjk committed
661
    if (state() == DebuggerNotReady) {
Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
662
        debugMessage(_("TRYING TO INTERRUPT INFERIOR WITHOUT RUNNING GDB"));
663
        shutdown();
con's avatar
con committed
664
        return;
665
    }
con's avatar
con committed
666

hjk's avatar
hjk committed
667
668
669
    setState(InferiorStopping);
    showStatusMessage(tr("Stop requested..."), 5000);

670
    debugMessage(_("TRYING TO INTERUPT INFERIOR"));
hjk's avatar
hjk committed
671
    m_gdbAdapter->interruptInferior();
con's avatar
con committed
672
673
674
675
}

void GdbEngine::maybeHandleInferiorPidChanged(const QString &pid0)
{
676
    const qint64 pid = pid0.toLongLong();
con's avatar
con committed
677
    if (pid == 0) {
Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
678
        debugMessage(_("Cannot parse PID from %1").arg(pid0));
con's avatar
con committed
679
680
        return;
    }
hjk's avatar
hjk committed
681
    if (pid == inferiorPid())
con's avatar
con committed
682
        return;
683
684
    debugMessage(_("FOUND PID %1").arg(pid));    

hjk's avatar
hjk committed
685
    manager()->notifyInferiorPidChanged(pid);
686
687
    if (m_dumperInjectionLoad)
        tryLoadDebuggingHelpers();
con's avatar
con committed
688
689
}

hjk's avatar
hjk committed
690
691
void GdbEngine::postCommand(const QString &command, AdapterCallback callback,
                            const char *callbackName, const QVariant &cookie)
692
693
694
695
696
697
698
{
    postCommand(command, NoFlags, callback, callbackName, cookie);
}

void GdbEngine::postCommand(const QString &command, GdbCommandFlags flags,
                            AdapterCallback callback,
                            const char *callbackName, const QVariant &cookie)
hjk's avatar
hjk committed
699
700
701
{
    GdbCommand cmd;
    cmd.command = command;
702
    cmd.flags = flags;
hjk's avatar
hjk committed
703
704
705
706
707
708
    cmd.adapterCallback = callback;
    cmd.callbackName = callbackName;
    cmd.cookie = cookie;
    postCommandHelper(cmd);
}

709
void GdbEngine::postCommand(const QString &command, GdbCommandCallback callback,
710
711
                            const char *callbackName, const QVariant &cookie)
{
712
    postCommand(command, NoFlags, callback, callbackName, cookie);
713
714
}

715
void GdbEngine::postCommand(const QString &command, GdbCommandFlags flags,
716
717
                            GdbCommandCallback callback, const char *callbackName,
                            const QVariant &cookie)
hjk's avatar
hjk committed
718
719
720
721
722
723
724
725
726
727
728
{
    GdbCommand cmd;
    cmd.command = command;
    cmd.flags = flags;
    cmd.callback = callback;
    cmd.callbackName = callbackName;
    cmd.cookie = cookie;
    postCommandHelper(cmd);
}

void GdbEngine::postCommandHelper(const GdbCommand &cmd)
con's avatar
con committed
729
{
hjk's avatar
hjk committed
730
    if (!stateAcceptsGdbCommands(state())) {
hjk's avatar
hjk committed
731
732
        qDebug() << _("NO GDB PROCESS RUNNING, CMD IGNORED: ") << cmd.command
            << state();
hjk's avatar
hjk committed
733
        PENDING_DEBUG(_("NO GDB PROCESS RUNNING, CMD IGNORED: ") + cmd.command);
hjk's avatar
hjk committed
734
        debugMessage(_("NO GDB PROCESS RUNNING, CMD IGNORED: ") + cmd.command);
con's avatar
con committed
735
736
737
        return;
    }

hjk's avatar
hjk committed
738
    if (cmd.flags & RebuildModel) {
con's avatar
con committed
739
        ++m_pendingRequests;
hjk's avatar
hjk committed
740
        PENDING_DEBUG("   CALLBACK" << cmd.callbackName
hjk's avatar
hjk committed
741
742
            << "INCREMENTS PENDING TO:" << m_pendingRequests << cmd.command
            << m_gdbAdapter->state());
con's avatar
con committed
743
    } else {
hjk's avatar
hjk committed
744
        PENDING_DEBUG("   UNKNOWN CALLBACK" << cmd.callbackName
hjk's avatar
hjk committed
745
746
            << "LEAVES PENDING AT:" << m_pendingRequests << cmd.command
            << m_gdbAdapter->state());
con's avatar
con committed
747
748
    }

hjk's avatar
hjk committed
749
750
751
752
753
754
755
756
757
758
759
760
761
762
    if (cmd.flags & NeedsStop) {
        if (state() == InferiorStopped
            || state() == EngineStarting
            || state() == InferiorPrepared) {
            // Can be safely sent now.
            flushCommand(cmd);
        } else {
            // Queue the commands that we cannot send at once.
            showStatusMessage(tr("Stopping temporarily."), 1000);
            qDebug() << _("QUEUING COMMAND ") + cmd.command;
            debugMessage(_("QUEUING COMMAND ") + cmd.command);
            m_commandsToRunOnTemporaryBreak.append(cmd);
            interruptInferior();
        }
hjk's avatar
hjk committed
763
    } else if (!cmd.command.isEmpty()) {
764
        flushCommand(cmd);
con's avatar
con committed
765
766
767
    }
}

hjk's avatar
hjk committed
768
void GdbEngine::flushCommand(const GdbCommand &cmd0)
769
{
hjk's avatar
hjk committed
770
    GdbCommand cmd = cmd0;
hjk's avatar
hjk committed
771
    if (state() == DebuggerNotReady) {
772
773
774
775
776
        emit gdbInputAvailable(LogInput, cmd.command);
        debugMessage(_("GDB PROCESS NOT RUNNING, PLAIN CMD IGNORED: ") + cmd.command);
        return;
    }

777
    ++currentToken();
778
    cmd.postTime = QTime::currentTime();
779
780
    m_cookieForToken[currentToken()] = cmd;
    cmd.command = QString::number(currentToken()) + cmd.command;
781
    if (cmd.flags & EmbedToken)
782
        cmd.command = cmd.command.arg(currentToken());
783
    emit gdbInputAvailable(LogInput, cmd.command);
784
785

    m_gdbAdapter->write(cmd.command.toLatin1() + "\r\n");
786
787
}

hjk's avatar
hjk committed
788
void GdbEngine::handleResultRecord(const GdbResponse &response)
con's avatar
con committed
789
{
hjk's avatar
hjk committed
790
    //qDebug() << "TOKEN:" << response.token
791
    //    << " ACCEPTABLE:" << m_oldestAcceptableToken;
hjk's avatar
hjk committed
792
    //qDebug() << "\nRESULT" << response.token << response.toString();
con's avatar
con committed
793

hjk's avatar
hjk committed
794
    int token = response.token;
con's avatar
con committed
795
796
797
    if (token == -1)
        return;

798
799
800
801
    if (!m_cookieForToken.contains(token)) {
        // In theory this should not happen, in practice it does.
        debugMessage(_("COOKIE FOR TOKEN %1 ALREADY EATEN. "
            "TWO RESPONSES FOR ONE COMMAND?").arg(token));
hjk's avatar
hjk committed
802
803
        if (response.resultClass == GdbResultError) {
            QByteArray msg = response.data.findChild("msg").data();
804
805
            showMessageBox(QMessageBox::Critical,
                tr("Executable failed"), QString::fromLocal8Bit(msg));
hjk's avatar
hjk committed
806
            showStatusMessage(tr("Process failed to start."));
807
808
809
810
811
812
813
814
815
816
817
            // 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"
            if (msg == "Cannot find new threads: generic error")
                shutdown();
            // Handle a case known to appear on gdb 6.4 symbianelf when
            // the stack is cut due to access to protected memory.
            if (msg == "\"finish\" not meaningful in the outermost frame.") { 
                setState(InferiorStopping);
                setState(InferiorStopped);
            }
818
819
820
821
        }
        return;
    }

822
    GdbCommand cmd = m_cookieForToken.take(token);
823
824
825
826
827
    if (theDebuggerBoolSetting(LogTimeStamps)) {
        emit gdbOutputAvailable(LogTime, _("Response time: %1: %2 s")
            .arg(cmd.command)
            .arg(cmd.postTime.msecsTo(QTime::currentTime()) / 1000.));
    }
con's avatar
con committed
828

hjk's avatar
hjk committed
829
    if (response.token < m_oldestAcceptableToken && (cmd.flags & Discardable)) {
830
        //debugMessage(_("### SKIPPING OLD RESULT") + response.toString());
con's avatar
con committed
831
832
833
        return;
    }

hjk's avatar
hjk committed
834
835
836
    GdbResponse responseWithCookie = response;
    responseWithCookie.cookie = cmd.cookie;

837
    if (cmd.callback)
hjk's avatar
hjk committed
838
        (this->*cmd.callback)(responseWithCookie);
hjk's avatar
hjk committed
839
    if (cmd.adapterCallback)
hjk's avatar
hjk committed
840
        (m_gdbAdapter->*cmd.adapterCallback)(responseWithCookie);
con's avatar
con committed
841

842
    if (cmd.flags & RebuildModel) {
con's avatar
con committed
843
        --m_pendingRequests;
hjk's avatar
hjk committed
844
        PENDING_DEBUG("   TYPE " << cmd.callbackName << " DECREMENTS PENDING TO: "
con's avatar
con committed
845
            << m_pendingRequests << cmd.command);
846
        if (m_pendingRequests <= 0) {
hjk's avatar
hjk committed
847
848
            PENDING_DEBUG("\n\n ....  AND TRIGGERS MODEL UPDATE\n");
            rebuildModel();
849
        }
con's avatar
con committed
850
    } else {
hjk's avatar
hjk committed
851
        PENDING_DEBUG("   UNKNOWN TYPE " << cmd.callbackName << " LEAVES PENDING AT: "
con's avatar
con committed
852
853
            << m_pendingRequests << cmd.command);
    }
854

855
856
    // Continue only if there are no commands wire anymore, so this will
    // be fully synchroneous.
857
858
859
860
    // 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.
hjk's avatar
hjk committed
861
862
863
864
    if (m_continuationAfterDone && m_cookieForToken.isEmpty()) {
        Continuation cont = m_continuationAfterDone;
        m_continuationAfterDone = 0;
        (this->*cont)();
865
        showStatusMessage(tr("Continuing after temporary stop."), 1000);
hjk's avatar
hjk committed
866
867
    } else {
        PENDING_DEBUG("MISSING TOKENS: " << m_cookieForToken.keys());
868
    }
con's avatar
con committed
869
870
871
872
}

void GdbEngine::executeDebuggerCommand(const QString &command)
{
hjk's avatar
hjk committed
873
    if (state() == DebuggerNotReady) {
874
        debugMessage(_("GDB PROCESS NOT RUNNING, PLAIN CMD IGNORED: ") + command);
con's avatar
con committed
875
876
877
        return;
    }

hjk's avatar
hjk committed
878
    m_gdbAdapter->write(command.toLatin1() + "\r\n");
con's avatar
con committed
879
880
}

881
// Called from CoreAdapter and AttachAdapter
882
void GdbEngine::updateAll()
883
{
884
    QTC_ASSERT(state() == InferiorUnrunnable || state() == InferiorStopped, /**/);
hjk's avatar
hjk committed
885
    manager()->resetLocation();
886
    tryLoadDebuggingHelpers();
hjk's avatar
hjk committed
887
    manager()->stackHandler()->setCurrentIndex(0);
hjk's avatar
hjk committed
888
    updateLocals(); 
889
    reloadStack();
890
    if (supportsThreads())
891
        postCommand(_("-thread-list-ids"), WatchUpdate, CB(handleStackListThreads), 0);
hjk's avatar
hjk committed
892
    manager()->reloadRegisters();
893
894
}

hjk's avatar
hjk committed
895
void GdbEngine::handleQuerySources(const GdbResponse &response)
con's avatar
con committed
896
{
hjk's avatar
hjk committed
897
    if (response.resultClass == GdbResultDone) {
898
        QMap<QString, QString> oldShortToFull = m_shortToFullName;
con's avatar
con committed
899
900
901
902
        m_shortToFullName.clear();
        m_fullToShortName.clear();
        // "^done,files=[{file="../../../../bin/gdbmacros/gdbmacros.cpp",
        // fullname="/data5/dev/ide/main/bin/gdbmacros/gdbmacros.cpp"},
hjk's avatar
hjk committed
903
        GdbMi files = response.data.findChild("files");
con's avatar
con committed
904
        foreach (const GdbMi &item, files.children()) {
Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
905
            QString fileName = QString::fromLocal8Bit(item.findChild("file").data());
con's avatar
con committed
906
            GdbMi fullName = item.findChild("fullname");
Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
907
            QString full = QString::fromLocal8Bit(fullName.data());
con's avatar
con committed
908
909
910
911
912
913
914
915
            #ifdef Q_OS_WIN
            full = QDir::cleanPath(full);
            #endif
            if (fullName.isValid() && QFileInfo(full).isReadable()) {
                m_shortToFullName[fileName] = full;
                m_fullToShortName[full] = fileName;
            }
        }
916
        if (m_shortToFullName != oldShortToFull)
hjk's avatar
hjk committed
917
            manager()->sourceFileWindow()->setSourceFiles(m_shortToFullName);
con's avatar
con committed
918
919
920
    }
}

hjk's avatar
hjk committed
921
void GdbEngine::handleInfoShared(const GdbResponse &response)
con's avatar
con committed
922
{
hjk's avatar
hjk committed
923
    if (response.resultClass == GdbResultDone) {
con's avatar
con committed
924
        // let the modules handler do the parsing
hjk's avatar
hjk committed
925
        handleModulesList(response);
con's avatar
con committed
926
927
928
    }
}

929
#if 0
hjk's avatar
hjk committed
930
void GdbEngine::handleExecJumpToLine(const GdbResponse &response)
con's avatar
con committed
931
932
933
934
935
936
937
938
{
    // FIXME: remove this special case as soon as 'jump'
    // is supported by MI
    // "&"jump /home/apoenitz/dev/work/test1/test1.cpp:242"
    // ~"Continuing at 0x4058f3."
    // ~"run1 (argc=1, argv=0x7fffb213a478) at test1.cpp:242"
    // ~"242\t x *= 2;"
    //109^done"
hjk's avatar
hjk committed
939
    setState(InferiorStopped);
hjk's avatar
hjk committed
940
    showStatusMessage(tr("Jumped. Stopped."));
hjk's avatar
hjk committed
941
    QByteArray output = response.data.findChild("logstreamoutput").data();
942
    if (output.isEmpty())
con's avatar
con committed
943
        return;
Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
944
945
946
947
948
949
    int idx1 = output.indexOf(' ') + 1;
    if (idx1 > 0) {
        int idx2 = output.indexOf(':', idx1);
        if (idx2 > 0) {
            QString file = QString::fromLocal8Bit(output.mid(idx1, idx2 - idx1));
            int line = output.mid(idx2 + 1).toInt();
hjk's avatar
hjk committed
950
            gotoLocation(file, line, true);
Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
951
952
        }
    }
con's avatar
con committed
953
}
954
#endif
con's avatar
con committed
955

hjk's avatar
hjk committed
956
void GdbEngine::handleExecRunToFunction(const GdbResponse &response)
con's avatar
con committed
957
958
959
960
961
962
963
{
    // FIXME: remove this special case as soon as there's a real
    // reason given when the temporary breakpoint is hit.
    // reight now we get:
    // 14*stopped,thread-id="1",frame={addr="0x0000000000403ce4",
    // func="foo",args=[{name="str",value="@0x7fff0f450460"}],
    // file="main.cpp",fullname="/tmp/g/main.cpp",line="37"}
964
    QTC_ASSERT(state() == InferiorStopping, qDebug() << state())