gdbengine.cpp 156 KB
Newer Older
1
/**************************************************************************
con's avatar
con committed
2 3 4
**
** This file is part of Qt Creator
**
hjk's avatar
hjk committed
5
** Copyright (c) 2010 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

34
#include "gdboptionspage.h"
hjk's avatar
hjk committed
35 36
#include "debuggeruiswitcher.h"
#include "debuggermainwindow.h"
37
#include "debuggerplugin.h"
38
#include "debuggerrunner.h"
39

40 41
#include "attachgdbadapter.h"
#include "coregdbadapter.h"
ck's avatar
ck committed
42
#include "localplaingdbadapter.h"
43
#include "termgdbadapter.h"
ck's avatar
ck committed
44 45
#include "remotegdbserveradapter.h"
#include "remoteplaingdbadapter.h"
46
#include "trkgdbadapter.h"
47
#include "tcftrkgdbadapter.h"
con's avatar
con committed
48

49
#include "watchutils.h"
50
#include "debuggeractions.h"
51
#include "debuggeragents.h"
con's avatar
con committed
52
#include "debuggerconstants.h"
53
#include "debuggertooltip.h"
54
#include "debuggerstringutils.h"
con's avatar
con committed
55 56 57 58 59
#include "gdbmi.h"

#include "breakhandler.h"
#include "moduleshandler.h"
#include "registerhandler.h"
60
#include "snapshothandler.h"
61
#include "sourcefileshandler.h"
con's avatar
con committed
62
#include "stackhandler.h"
hjk's avatar
hjk committed
63
#include "threadshandler.h"
con's avatar
con committed
64
#include "watchhandler.h"
65

66
#include "sourcefileswindow.h"
con's avatar
con committed
67

68
#include "debuggerdialogs.h"
con's avatar
con committed
69

hjk's avatar
hjk committed
70
#include <utils/qtcassert.h>
71
#include <utils/fancymainwindow.h>
72
#include <texteditor/itexteditor.h>
73
#include <projectexplorer/toolchain.h>
74
#include <coreplugin/icore.h>
hjk's avatar
hjk committed
75

76
#include <QtCore/QCoreApplication>
con's avatar
con committed
77 78 79
#include <QtCore/QDebug>
#include <QtCore/QDir>
#include <QtCore/QFileInfo>
80
#include <QtCore/QMetaObject>
con's avatar
con committed
81 82
#include <QtCore/QTime>
#include <QtCore/QTimer>
83
#include <QtCore/QTemporaryFile>
84
#include <QtCore/QTextStream>
con's avatar
con committed
85 86

#include <QtGui/QAction>
87
#include <QtGui/QDialogButtonBox>
con's avatar
con committed
88 89 90
#include <QtGui/QLabel>
#include <QtGui/QMainWindow>
#include <QtGui/QMessageBox>
91
#include <QtGui/QPushButton>
con's avatar
con committed
92

Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
93
#ifdef Q_OS_UNIX
con's avatar
con committed
94 95 96
#include <unistd.h>
#include <dlfcn.h>
#endif
hjk's avatar
hjk committed
97
#include <ctype.h>
con's avatar
con committed
98

99

100 101
namespace Debugger {
namespace Internal {
con's avatar
con committed
102 103 104

//#define DEBUG_PENDING  1

105 106
static const char winPythonVersionC[] = "python2.5";

con's avatar
con committed
107 108 109
#if DEBUG_PENDING
#   define PENDING_DEBUG(s) qDebug() << s
#else
Roberto Raggi's avatar
Roberto Raggi committed
110
#   define PENDING_DEBUG(s)
con's avatar
con committed
111
#endif
112
#define PENDING_DEBUGX(s) qDebug() << s
con's avatar
con committed
113

114 115
#define CB(callback) &GdbEngine::callback, STRINGIFY(callback)

116
QByteArray GdbEngine::tooltipIName(const QString &exp)
117
{
118
    return "tooltip." + exp.toLatin1().toHex();
119 120
}

hjk's avatar
hjk committed
121
static bool stateAcceptsGdbCommands(DebuggerState state)
hjk's avatar
hjk committed
122
{
Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
123
    switch (state) {
hjk's avatar
hjk committed
124
    case EngineSetupRequested:
125 126
    case EngineSetupOk:
    case EngineSetupFailed:
Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
127
    case InferiorUnrunnable:
hjk's avatar
hjk committed
128
    case InferiorSetupRequested:
hjk's avatar
hjk committed
129
    case InferiorSetupFailed:
hjk's avatar
hjk committed
130 131 132 133 134 135 136 137
    case EngineRunRequested:
    case InferiorRunRequested:
    case InferiorRunOk:
    case InferiorStopRequested:
    case InferiorStopOk:
    case InferiorShutdownRequested:
    case EngineShutdownRequested:
    case InferiorShutdownOk:
Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
138 139 140 141
    case InferiorShutdownFailed:
        return true;
    case DebuggerNotReady:
    case InferiorStopFailed:
hjk's avatar
hjk committed
142 143 144 145 146
    case EngineRunFailed:
    case InferiorRunFailed:
    case EngineShutdownOk:
    case EngineShutdownFailed:
    case DebuggerFinished:
147
        return false;
Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
148 149 150
    }
    return false;
}
hjk's avatar
hjk committed
151

con's avatar
con committed
152 153 154 155 156 157
static int &currentToken()
{
    static int token = 0;
    return token;
}

hjk's avatar
hjk committed
158
static QByteArray parsePlainConsoleStream(const GdbResponse &response)
159
{
hjk's avatar
hjk committed
160
    GdbMi output = response.data.findChild("consolestreamoutput");
161 162 163 164 165 166 167 168 169 170
    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
171 172 173 174 175 176
///////////////////////////////////////////////////////////////////////
//
// GdbEngine
//
///////////////////////////////////////////////////////////////////////

177 178
GdbEngine::GdbEngine(const DebuggerStartParameters &startParameters)
  : DebuggerEngine(startParameters)
con's avatar
con committed
179
{
180 181
    qRegisterMetaType<WatchData>("WatchData");

182 183 184 185
    m_commandTimer = new QTimer(this);
    m_commandTimer->setSingleShot(true);
    connect(m_commandTimer, SIGNAL(timeout()), SLOT(commandTimeout()));

186 187
    // Needs no resetting in initializeVariables()
    m_busy = false;
188
    initializeVariables();
ck's avatar
ck committed
189
    m_gdbAdapter = createAdapter();
190

191 192
    connect(theDebuggerAction(AutoDerefPointers), SIGNAL(valueChanged(QVariant)),
            this, SLOT(setAutoDerefPointers(QVariant)));
193 194
    connect(theDebuggerAction(CreateFullBacktrace), SIGNAL(triggered()),
            this, SLOT(createFullBacktrace()));
195
}
196

197 198
DebuggerStartMode GdbEngine::startMode() const
{
199
    return startParameters().startMode;
con's avatar
con committed
200 201
}

202 203
QMainWindow *GdbEngine::mainWindow() const
{
204
    return DebuggerUISwitcher::instance()->mainWindow();
205 206
}

ck's avatar
ck committed
207 208 209 210 211
AbstractGdbProcess *GdbEngine::gdbProc() const
{
    return m_gdbAdapter->gdbProc();
}

con's avatar
con committed
212 213
GdbEngine::~GdbEngine()
{
214
    // Prevent sending error messages afterwards.
ck's avatar
ck committed
215 216
    if (m_gdbAdapter)
        disconnect(gdbProc(), 0, this, 0);
217
    delete m_gdbAdapter;
218
    m_gdbAdapter = 0;
hjk's avatar
hjk committed
219 220
}

221 222
void GdbEngine::initializeVariables()
{
223
    m_debuggingHelperState = DebuggingHelperUninitialized;
224
    m_gdbVersion = 100;
hjk's avatar
hjk committed
225
    m_gdbBuildVersion = -1;
226
    m_isMacGdb = false;
227
    m_hasPython = false;
228
    m_registerNamesListed = false;
229 230 231 232

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

233
    invalidateSourcesList();
234
    m_sourcesListUpdating = false;
235 236
    m_oldestAcceptableToken = -1;
    m_outputCodec = QTextCodec::codecForLocale();
237
    m_pendingWatchRequests = 0;
238
    m_pendingBreakpointRequests = 0;
239
    m_commandsDoneCallback = 0;
hjk's avatar
hjk committed
240
    m_commandsToRunOnTemporaryBreak.clear();
241
    m_cookieForToken.clear();
242 243 244 245 246

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

    m_inbuffer.clear();
247
    m_resultVarName.clear();
248

249 250
    m_commandTimer->stop();

251 252 253 254
    // ConverterState has no reset() function.
    m_outputCodecState.~ConverterState();
    new (&m_outputCodecState) QTextCodec::ConverterState();

255 256
    m_currentFunctionArgs.clear();
    m_currentFrame.clear();
257
    m_dumperHelper.clear();
258 259 260
#ifdef Q_OS_LINUX
    m_entryPoint.clear();
#endif
261 262
}

263
QString GdbEngine::errorMessage(QProcess::ProcessError error)
con's avatar
con committed
264 265 266
{
    switch (error) {
        case QProcess::FailedToStart:
267
            return tr("The Gdb process failed to start. Either the "
con's avatar
con committed
268
                "invoked program '%1' is missing, or you may have insufficient "
Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
269
                "permissions to invoke the program.")
270
                .arg(m_gdb);
con's avatar
con committed
271
        case QProcess::Crashed:
272
            return tr("The Gdb process crashed some time after starting "
con's avatar
con committed
273 274
                "successfully.");
        case QProcess::Timedout:
275
            return tr("The last waitFor...() function timed out. "
con's avatar
con committed
276 277 278
                "The state of QProcess is unchanged, and you can try calling "
                "waitFor...() again.");
        case QProcess::WriteError:
279
            return tr("An error occurred when attempting to write "
con's avatar
con committed
280 281 282
                "to the Gdb process. For example, the process may not be running, "
                "or it may have closed its input channel.");
        case QProcess::ReadError:
283
            return tr("An error occurred when attempting to read from "
con's avatar
con committed
284 285
                "the Gdb process. For example, the process may not be running.");
        default:
286
            return tr("An unknown error in the Gdb process occurred. ");
con's avatar
con committed
287 288 289 290 291 292 293
    }
}

#if 0
static void dump(const char *first, const char *middle, const QString & to)
{
    QByteArray ba(first, middle - first);
294
    Q_UNUSED(to)
con's avatar
con committed
295 296 297 298 299 300 301 302 303 304 305
    // 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

306 307
void GdbEngine::readDebugeeOutput(const QByteArray &data)
{
308 309 310
    QString msg = m_outputCodec->toUnicode(data.constData(), data.length(),
        &m_outputCodecState);
    showMessage(msg, AppStuff);
311 312
}

313
void GdbEngine::handleResponse(const QByteArray &buff)
con's avatar
con committed
314 315 316
{
    static QTime lastTime;

317
    if (theDebuggerBoolSetting(LogTimeStamps))
318 319
        showMessage(currentTime(), LogTime);
    showMessage(QString::fromLocal8Bit(buff, buff.length()), LogOutput);
con's avatar
con committed
320 321 322 323 324

#if 0
    qDebug() // << "#### start response handling #### "
        << currentTime()
        << lastTime.msecsTo(QTime::currentTime()) << "ms,"
325 326
        << "buf:" << buff.left(1500) << "..."
        //<< "buf:" << buff
327
        << "size:" << buff.size();
con's avatar
con committed
328
#else
329
    //qDebug() << "buf:" << buff;
con's avatar
con committed
330 331 332 333
#endif

    lastTime = QTime::currentTime();

334 335
    if (buff.isEmpty() || buff == "(gdb) ")
        return;
con's avatar
con committed
336

337 338 339
    const char *from = buff.constData();
    const char *to = from + buff.size();
    const char *inner;
con's avatar
con committed
340

341 342 343 344
    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
345
            break;
346 347 348
    if (from != inner) {
        token = QByteArray(from, inner - from).toInt();
        from = inner;
349
        //qDebug() << "found token" << token;
350
    }
con's avatar
con committed
351

hjk's avatar
hjk committed
352
    // next char decides kind of response
353 354 355 356 357 358 359 360 361 362 363 364 365 366
    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
367

hjk's avatar
hjk committed
368
            GdbMi result;
369 370
            while (from != to) {
                GdbMi data;
hjk's avatar
hjk committed
371
                if (*from != ',') {
372 373
                    // happens on archer where we get
                    // 23^running <NL> *running,thread-id="all" <NL> (gdb)
hjk's avatar
hjk committed
374
                    result.m_type = GdbMi::Tuple;
hjk's avatar
hjk committed
375 376 377 378 379
                    break;
                }
                ++from; // skip ','
                data.parseResultOrValue(from, to);
                if (data.isValid()) {
hjk's avatar
hjk committed
380 381 382
                    //qDebug() << "parsed result:" << data.toString();
                    result.m_children += data;
                    result.m_type = GdbMi::Tuple;
con's avatar
con committed
383 384
                }
            }
385
            if (asyncClass == "stopped") {
386
                handleStopResponse(result);
387 388
                m_pendingLogStreamOutput.clear();
                m_pendingConsoleStreamOutput.clear();
389 390
            } else if (asyncClass == "running") {
                // Archer has 'thread-id="all"' here
391 392 393 394
            } 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",
395
                // symbols-loaded="0"
hjk's avatar
hjk committed
396
                QByteArray id = result.findChild("id").data();
397
                if (!id.isEmpty())
398
                    showStatusMessage(tr("Library %1 loaded").arg(_(id)), 1000);
399
                progressPing();
400
                invalidateSourcesList();
hjk's avatar
hjk committed
401 402 403 404
            } 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
405
                QByteArray id = result.findChild("id").data();
406
                progressPing();
407
                showStatusMessage(tr("Library %1 unloaded").arg(_(id)), 1000);
408
                invalidateSourcesList();
409 410
            } else if (asyncClass == "thread-group-added") {
                // 7.1-symbianelf has "{id="i1"}"
411 412 413
            } else if (asyncClass == "thread-group-created"
                    || asyncClass == "thread-group-started") {
                // Archer had only "{id="28902"}" at some point of 6.8.x.
hjk's avatar
hjk committed
414 415
                // *-started seems to be standard in 7.1, but in early
                // 7.0.x, there was a *-created instead.
416
                progressPing();
ck's avatar
ck committed
417
                // 7.1.50 has thread-group-started,id="i1",pid="3529"
hjk's avatar
hjk committed
418
                QByteArray id = result.findChild("id").data();
419
                showStatusMessage(tr("Thread group %1 created").arg(_(id)), 1000);
ck's avatar
ck committed
420 421 422 423 424 425 426
                int pid = id.toInt();
                if (!pid) {
                    id = result.findChild("pid").data();
                    pid = id.toInt();
                }
                if (pid)
                    notifyInferiorPid(pid);
427
            } else if (asyncClass == "thread-created") {
428
                //"{id="1",group-id="28902"}"
hjk's avatar
hjk committed
429
                QByteArray id = result.findChild("id").data();
430
                showStatusMessage(tr("Thread %1 created").arg(_(id)), 1000);
431
            } else if (asyncClass == "thread-group-exited") {
432
                // Archer has "{id="28902"}"
hjk's avatar
hjk committed
433
                QByteArray id = result.findChild("id").data();
434
                showStatusMessage(tr("Thread group %1 exited").arg(_(id)), 1000);
435
            } else if (asyncClass == "thread-exited") {
436
                //"{id="1",group-id="28902"}"
hjk's avatar
hjk committed
437 438
                QByteArray id = result.findChild("id").data();
                QByteArray groupid = result.findChild("group-id").data();
439
                showStatusMessage(tr("Thread %1 in group %2 exited")
hjk's avatar
hjk committed
440
                    .arg(_(id)).arg(_(groupid)), 1000);
hjk's avatar
hjk committed
441
            } else if (asyncClass == "thread-selected") {
hjk's avatar
hjk committed
442
                QByteArray id = result.findChild("id").data();
443
                showStatusMessage(tr("Thread %1 selected").arg(_(id)), 1000);
444
                //"{id="2"}"
445 446
            } else if (m_isMacGdb && asyncClass == "shlibs-updated") {
                // Apple's gdb announces updated libs.
447
                invalidateSourcesList();
448 449
            } else if (m_isMacGdb && asyncClass == "shlibs-added") {
                // Apple's gdb announces added libs.
450 451 452 453 454
                // {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=""}}
455
                invalidateSourcesList();
456 457 458 459 460
            } else if (m_isMacGdb && asyncClass == "resolve-pending-breakpoint") {
                // Apple's gdb announces resolved breakpoints.
                // new_bp="1",pended_bp="1",new_expr="\"gdbengine.cpp\":1584",
                // bkpt={number="1",type="breakpoint",disp="keep",enabled="y",
                // addr="0x0000000115cc3ddf",func="foo()",file="../foo.cpp",
461
                // line="1584",shlib="/../libFoo_debug.dylib",times="0"}
462 463
                const GdbMi bkpt = result.findChild("bkpt");
                const int number = bkpt.findChild("number").data().toInt();
464
                BreakpointData *data = breakHandler()->findBreakpointByNumber(number);
465
                setBreakpointDataFromOutput(data, bkpt);
466
                breakHandler()->updateMarkers();
467
            } else {
468
                qDebug() << "IGNORED ASYNC OUTPUT"
hjk's avatar
hjk committed
469
                    << asyncClass << result.toString();
470
            }
471 472
            break;
        }
473

474
        case '~': {
475 476
            QByteArray data = GdbMi::parseCString(from, to);
            m_pendingConsoleStreamOutput += data;
477 478

            // Parse pid from noise.
479
            if (!inferiorPid()) {
480 481 482 483
                // 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]*"));
hjk's avatar
hjk committed
484 485 486
                // Mac: [Switching to process 9294 local thread 0x2e03] or
                // [Switching to process 31773]
                static QRegExp re3(_("Switching to process ([0-9]+)"));
487 488 489 490 491
                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));
492 493
                else if (re3.indexIn(_(data)) != -1)
                    maybeHandleInferiorPidChanged(re3.cap(1));
494
            }
495 496

            // Show some messages to give the impression something happens.
497
            if (data.startsWith("Reading symbols from ")) {
498
                showStatusMessage(tr("Reading %1...").arg(_(data.mid(21))), 1000);
499
                invalidateSourcesList();
500 501 502
            } else if (data.startsWith("[New ") || data.startsWith("[Thread ")) {
                if (data.endsWith('\n'))
                    data.chop(1);
503
                showStatusMessage(_(data), 1000);
504
            }
505 506
            break;
        }
507

508
        case '@': {
509
            readDebugeeOutput(GdbMi::parseCString(from, to));
510
            break;
con's avatar
con committed
511 512
        }

513 514 515 516 517 518
        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:"))
519
                showMessage(_(data.mid(9)), AppStuff); // cut "warning: "
con's avatar
con committed
520 521 522
            break;
        }

523
        case '^': {
hjk's avatar
hjk committed
524
            GdbResponse response;
con's avatar
con committed
525

hjk's avatar
hjk committed
526
            response.token = token;
con's avatar
con committed
527

528 529 530
            for (inner = from; inner != to; ++inner)
                if (*inner < 'a' || *inner > 'z')
                    break;
con's avatar
con committed
531

Oswald Buddenhagen's avatar
Oswald Buddenhagen committed
532
            QByteArray resultClass = QByteArray::fromRawData(from, inner - from);
533
            if (resultClass == "done") {
hjk's avatar
hjk committed
534
                response.resultClass = GdbResultDone;
535
            } else if (resultClass == "running") {
hjk's avatar
hjk committed
536 537 538 539 540 541 542 543
                // FIXME: Handle this in the individual result handlers.
                //if (state() == InferiorStopOk) { // Result of manual command.
                //    resetLocation();
                //    setTokenBarrier();
                //    setState(InferiorRunRequested);
                //}
                //setState(InferiorRunOk);
                //showStatusMessage(tr("Running..."));
hjk's avatar
hjk committed
544
                response.resultClass = GdbResultRunning;
545
            } else if (resultClass == "connected") {
hjk's avatar
hjk committed
546
                response.resultClass = GdbResultConnected;
547
            } else if (resultClass == "error") {
hjk's avatar
hjk committed
548
                response.resultClass = GdbResultError;
549
            } else if (resultClass == "exit") {
hjk's avatar
hjk committed
550
                response.resultClass = GdbResultExit;
551
            } else {
hjk's avatar
hjk committed
552
                response.resultClass = GdbResultUnknown;
553
            }
con's avatar
con committed
554

555 556
            from = inner;
            if (from != to) {
hjk's avatar
hjk committed
557 558
                if (*from == ',') {
                    ++from;
hjk's avatar
hjk committed
559 560 561
                    response.data.parseTuple_helper(from, to);
                    response.data.m_type = GdbMi::Tuple;
                    response.data.m_name = "data";
hjk's avatar
hjk committed
562 563
                } else {
                    // Archer has this
hjk's avatar
hjk committed
564 565
                    response.data.m_type = GdbMi::Tuple;
                    response.data.m_name = "data";
con's avatar
con committed
566 567
                }
            }
568 569 570

            //qDebug() << "\nLOG STREAM:" + m_pendingLogStreamOutput;
            //qDebug() << "\nCONSOLE STREAM:" + m_pendingConsoleStreamOutput;
hjk's avatar
hjk committed
571
            response.data.setStreamOutput("logstreamoutput",
572
                m_pendingLogStreamOutput);
hjk's avatar
hjk committed
573
            response.data.setStreamOutput("consolestreamoutput",
574 575 576 577
                m_pendingConsoleStreamOutput);
            m_pendingLogStreamOutput.clear();
            m_pendingConsoleStreamOutput.clear();

578
            handleResultRecord(&response);
579 580 581 582 583
            break;
        }
        default: {
            qDebug() << "UNKNOWN RESPONSE TYPE" << c;
            break;
con's avatar
con committed
584 585 586 587 588 589
        }
    }
}

void GdbEngine::readGdbStandardError()
{
ck's avatar
ck committed
590
    QByteArray err = gdbProc()->readAllStandardError();
591
    showMessage(_("UNEXPECTED GDB STDERR: " + err));
592 593
    if (err == "Undefined command: \"bb\".  Try \"help\".\n")
        return;
594 595
    if (err.startsWith("BFD: reopening"))
        return;
596
    qWarning() << "Unexpected gdb stderr:" << err;
con's avatar
con committed
597 598 599 600
}

void GdbEngine::readGdbStandardOutput()
{
601
    if (m_commandTimer->isActive())
602 603
        m_commandTimer->start(); // Retrigger

604 605
    int newstart = 0;
    int scan = m_inbuffer.size();
con's avatar
con committed
606

ck's avatar
ck committed
607
    m_inbuffer.append(gdbProc()->readAllStandardOutput());
con's avatar
con committed
608

609 610 611 612
    // This can trigger when a dialog starts a nested event loop
    if (m_busy)
        return;

613 614
    while (newstart < m_inbuffer.size()) {
        int start = newstart;
615
        int end = m_inbuffer.indexOf('\n', scan);
616 617 618 619 620
        if (end < 0) {
            m_inbuffer.remove(0, start);
            return;
        }
        newstart = end + 1;
621
        scan = newstart;
622 623
        if (end == start)
            continue;
Tobias Hunger's avatar
Tobias Hunger committed
624
#        if defined(Q_OS_WIN)
625 626 627 628 629
        if (m_inbuffer.at(end - 1) == '\r') {
            --end;
            if (end == start)
                continue;
        }
Tobias Hunger's avatar
Tobias Hunger committed
630
#        endif
631
        m_busy = true;
632
        handleResponse(QByteArray::fromRawData(m_inbuffer.constData() + start, end - start));
633
        m_busy = false;
con's avatar
con committed
634
    }
635
    m_inbuffer.clear();
con's avatar
con committed
636 637 638 639
}

void GdbEngine::interruptInferior()
{
hjk's avatar
hjk committed
640
    QTC_ASSERT(state() == InferiorStopRequested, qDebug() << state(); return);
hjk's avatar
hjk committed
641
    showStatusMessage(tr("Stop requested..."), 5000);
642
    showMessage(_("TRYING TO INTERRUPT INFERIOR"));
hjk's avatar
hjk committed
643
    m_gdbAdapter->interruptInferior();
con's avatar
con committed
644 645
}

646 647
void GdbEngine::interruptInferiorTemporarily()
{
648
    foreach (const GdbCommand &cmd, m_commandsToRunOnTemporaryBreak) {
649
        if (cmd.flags & LosesChild) {
hjk's avatar
hjk committed
650
            notifyInferiorIll();
651
            return;
652
        }
653
    }
654
    requestInterruptInferior();
655 656
}

con's avatar
con committed
657 658
void GdbEngine::maybeHandleInferiorPidChanged(const QString &pid0)
{
659
    const qint64 pid = pid0.toLongLong();
con's avatar
con committed
660
    if (pid == 0) {
661
        showMessage(_("Cannot parse PID from %1").arg(pid0));
con's avatar
con committed
662 663
        return;
    }
664
    if (pid == inferiorPid())
con's avatar
con committed
665
        return;
666

667 668
    showMessage(_("FOUND PID %1").arg(pid));
    notifyInferiorPid(pid);
con's avatar
con committed
669 670
}

671
void GdbEngine::postCommand(const QByteArray &command, AdapterCallback callback,
hjk's avatar
hjk committed
672
                            const char *callbackName, const QVariant &cookie)
673 674 675 676
{
    postCommand(command, NoFlags, callback, callbackName, cookie);
}

677
void GdbEngine::postCommand(const QByteArray &command, GdbCommandFlags flags,
678 679
                            AdapterCallback callback,
                            const char *callbackName, const QVariant &cookie)
hjk's avatar
hjk committed
680 681 682
{
    GdbCommand cmd;
    cmd.command = command;
683
    cmd.flags = flags;
hjk's avatar
hjk committed
684 685 686 687 688 689
    cmd.adapterCallback = callback;
    cmd.callbackName = callbackName;
    cmd.cookie = cookie;
    postCommandHelper(cmd);
}

690
void GdbEngine::postCommand(const QByteArray &command, GdbCommandCallback callback,
691 692
                            const char *callbackName, const QVariant &cookie)
{
693
    postCommand(command, NoFlags, callback, callbackName, cookie);
694 695
}

696
void GdbEngine::postCommand(const QByteArray &command, GdbCommandFlags flags,
697 698
                            GdbCommandCallback callback, const char *callbackName,
                            const QVariant &cookie)
hjk's avatar
hjk committed
699 700 701 702 703 704 705 706 707 708 709
{
    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
710
{
hjk's avatar
hjk committed
711
    if (!stateAcceptsGdbCommands(state())) {
712
        PENDING_DEBUG(_("NO GDB PROCESS RUNNING, CMD IGNORED: " + cmd.command));
713
        showMessage(_("NO GDB PROCESS RUNNING, CMD IGNORED: %1 %2")
714
            .arg(_(cmd.command)).arg(state()));
con's avatar
con committed
715 716 717
        return;
    }

718 719
    if (cmd.flags & RebuildWatchModel) {
        ++m_pendingWatchRequests;
720
        PENDING_DEBUG("   WATCH MODEL:" << cmd.command << "=>" << cmd.callbackName
721
                      << "INCREMENTS PENDING TO" << m_pendingWatchRequests);
722 723 724 725
    } else if (cmd.flags & RebuildBreakpointModel) {
        ++m_pendingBreakpointRequests;
        PENDING_DEBUG("   BRWAKPOINT MODEL:" << cmd.command << "=>" << cmd.callbackName
                      << "INCREMENTS PENDING TO" << m_pendingBreakpointRequests);
con's avatar
con committed
726
    } else {
727
        PENDING_DEBUG("   OTHER (IN):" << cmd.command << "=>" << cmd.callbackName
728 729
                      << "LEAVES PENDING WATCH AT" << m_pendingWatchRequests
                      << "LEAVES PENDING BREAKPOINT AT" << m_pendingBreakpointRequests);
con's avatar
con committed
730 731
    }

732 733 734 735 736 737
    // FIXME: clean up logic below
    if (cmd.flags & Immediate) {
        // This should always be sent.
        flushCommand(cmd);
    } else if ((cmd.flags & NeedsStop)
            || !m_commandsToRunOnTemporaryBreak.isEmpty()) {
hjk's avatar
hjk committed
738 739 740
        if (state() == InferiorStopOk || state() == InferiorUnrunnable
            || state() == InferiorSetupRequested || state() == EngineSetupOk
            || state() == InferiorShutdownRequested) {
hjk's avatar
hjk committed
741 742 743 744
            // Can be safely sent now.
            flushCommand(cmd);
        } else {
            // Queue the commands that we cannot send at once.
745
            showMessage(_("QUEUING COMMAND " + cmd.command));
hjk's avatar
hjk committed
746
            m_commandsToRunOnTemporaryBreak.append(cmd);
hjk's avatar
hjk committed
747 748 749 750
            if (state() == InferiorStopRequested) {
                if (cmd.flags & LosesChild) {
                    notifyInferiorIll();
                }
751
                showMessage(_("CHILD ALREADY BEING INTERRUPTED. STILL HOPING."));
752 753
                // Calling shutdown() here breaks all situations where two
                // NeedsStop commands are issued in quick succession.
hjk's avatar
hjk committed
754 755 756 757 758 759 760 761 762 763 764
            //} else if (state() == InferiorStopRequested_Kill) {
            //    showMessage(_("CHILD ALREADY BEING INTERRUPTED (KILL PENDING)"));
            //    // FIXME
            //    shutdown();
            //} else if (state() == InferiorRunRequested) {
            //    if (cmd.flags & LosesChild)
            //        setState(InferiorRunRequested_Kill);
            //    showMessage(_("RUNNING REQUESTED; POSTPONING INTERRUPT"));
            //} else if (state() == InferiorRunRequested_Kill) {
            //    showMessage(_("RUNNING REQUESTED; POSTPONING INTERRUPT (KILL PENDING)"));
            } else if (state() == InferiorRunOk) {
765
                showStatusMessage(tr("Stopping temporarily"), 1000);
766
                interruptInferiorTemporarily();
767
            } else {
hjk's avatar
hjk committed
768 769
                qDebug() << "ATTEMPTING TO QUEUE COMMAND "
                    << cmd.command << "IN INAPPROPRIATE STATE" << state();
770
            }
hjk's avatar
hjk committed
771
        }
hjk's avatar
hjk committed
772
    } else if (!cmd.command.isEmpty()) {
773
        flushCommand(cmd);
con's avatar
con committed
774 775 776
    }
}

777 778
void GdbEngine::flushQueuedCommands()
{
779
    showStatusMessage(tr("Processing queued commands"), 1000);
780 781
    while (!m_commandsToRunOnTemporaryBreak.isEmpty()) {
        GdbCommand cmd = m_commandsToRunOnTemporaryBreak.takeFirst();
782
        showMessage(_("RUNNING QUEUED COMMAND " + cmd.command + ' '