1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "termgdbadapter.h"
#include "debuggerstartparameters.h"
#include "gdbmi.h"
#include "gdbengine.h"
#include "procinterrupt.h"
#include "debuggerstringutils.h"
#include "debuggercore.h"
#include <utils/qtcassert.h>
#include <coreplugin/icore.h>
#include <QtGui/QMessageBox>
#ifdef Q_OS_WIN
# include "dbgwinutils.h"
# include "dbgwinutils.h"
#endif
namespace Debugger {
namespace Internal {
#define CB(callback) \
static_cast<GdbEngine::AdapterCallback>(&TermGdbAdapter::callback), \
STRINGIFY(callback)
///////////////////////////////////////////////////////////////////////
//
// TermGdbAdapter
//
///////////////////////////////////////////////////////////////////////
TermGdbAdapter::TermGdbAdapter(GdbEngine *engine, QObject *parent)
: AbstractGdbAdapter(engine, parent)
{
m_stubProc.setMode(Utils::ConsoleProcess::Debug);
#ifdef Q_OS_UNIX
m_stubProc.setSettings(Core::ICore::instance()->settings());
#endif
connect(&m_stubProc, SIGNAL(processMessage(QString, bool)), SLOT(stubMessage(QString, bool)));
connect(&m_stubProc, SIGNAL(processStarted()), SLOT(handleInferiorSetupOk()));
connect(&m_stubProc, SIGNAL(wrapperStopped()), SLOT(stubExited()));
}
TermGdbAdapter::~TermGdbAdapter()
{
m_stubProc.disconnect(); // Avoid spurious state transitions from late exiting stub
}
AbstractGdbAdapter::DumperHandling TermGdbAdapter::dumperHandling() const
{
// LD_PRELOAD fails for System-Qt on Mac.
#if defined(Q_OS_WIN) || defined(Q_OS_MAC)
return DumperLoadedByGdb;
#else
return DumperLoadedByAdapter; // Handles loading itself via LD_PRELOAD
#endif
}
void TermGdbAdapter::startAdapter()
{
QTC_ASSERT(state() == EngineSetupRequested, qDebug() << state());
showMessage(_("TRYING TO START ADAPTER"));
// Currently, adapters are not re-used
// // We leave the console open, so recycle it now.
// m_stubProc.blockSignals(true);
// m_stubProc.stop();
// m_stubProc.blockSignals(false);
#ifdef Q_OS_WIN
if (!prepareWinCommand())
return;
#endif
m_stubProc.setWorkingDirectory(startParameters().workingDirectory);
// Set environment + dumper preload.
m_stubProc.setEnvironment(startParameters().environment);
// FIXME: Starting the stub implies starting the inferior. This is
// fairly unclean as far as the state machine and error reporting go.
if (!m_stubProc.start(startParameters().executable,
startParameters().processArgs)) {
// Error message for user is delivered via a signal.
m_engine->handleAdapterStartFailed(QString(), QString());
return;
}
if (!m_engine->startGdb()) {
m_stubProc.stop();
return;
}
}
void TermGdbAdapter::handleInferiorSetupOk()
{
QTC_ASSERT(state() == EngineSetupRequested, qDebug() << state());
m_engine->handleAdapterStarted();
}
void TermGdbAdapter::setupInferior()
{
QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());
const qint64 attachedPID = m_stubProc.applicationPID();
#ifdef Q_OS_WIN
const qint64 attachedMainThreadID = m_stubProc.applicationMainThreadID();
showMessage(QString::fromLatin1("Attaching to %1 (%2)").arg(attachedPID).arg(attachedMainThreadID), LogMisc);
#else
showMessage(QString::fromLatin1("Attaching to %1").arg(attachedPID), LogMisc);
#endif
m_engine->notifyInferiorPid(attachedPID);
m_engine->postCommand("attach " + QByteArray::number(attachedPID),
CB(handleStubAttached));
}
void TermGdbAdapter::handleStubAttached(const GdbResponse &response)
{
QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());
#ifdef Q_OS_WIN
QString errorMessage;
#endif // Q_OS_WIN
switch (response.resultClass) {
case GdbResultDone:
case GdbResultRunning:
#ifdef Q_OS_WIN
// Resume thread that was suspended by console stub process (see stub code).
if (winResumeThread(m_stubProc.applicationMainThreadID(), &errorMessage)) {
showMessage(QString::fromLatin1("Inferior attached, thread %1 resumed").
arg(m_stubProc.applicationMainThreadID()), LogMisc);
} else {
showMessage(QString::fromLatin1("Inferior attached, unable to resume thread %1: %2").
arg(m_stubProc.applicationMainThreadID()).arg(errorMessage),
LogWarning);
}
#else
showMessage(_("INFERIOR ATTACHED"));
#endif // Q_OS_WIN
m_engine->handleInferiorPrepared();
#ifdef Q_OS_LINUX
m_engine->postCommand("-stack-list-frames 0 0", CB(handleEntryPoint));
#endif
break;
case GdbResultError:
m_engine->notifyInferiorSetupFailed(QString::fromLocal8Bit(response.data.findChild("msg").data()));
break;
default:
m_engine->notifyInferiorSetupFailed(QString::fromLatin1("Invalid response %1").arg(response.resultClass));
break;
}
}
void TermGdbAdapter::runEngine()
{
QTC_ASSERT(state() == EngineRunRequested, qDebug() << state());
m_engine->notifyEngineRunAndInferiorStopOk();
m_engine->continueInferiorInternal();
}
#ifdef Q_OS_LINUX
void TermGdbAdapter::handleEntryPoint(const GdbResponse &response)
{
if (response.resultClass == GdbResultDone) {
GdbMi stack = response.data.findChild("stack");
if (stack.isValid() && stack.childCount() == 1)
m_engine->m_entryPoint = stack.childAt(0).findChild("addr").data();
}
}
#endif
void TermGdbAdapter::interruptInferior()
{
const qint64 attachedPID = m_engine->inferiorPid();
QTC_ASSERT(attachedPID > 0, return);
if (!interruptProcess(attachedPID))
showMessage(_("CANNOT INTERRUPT %1").arg(attachedPID));
}
void TermGdbAdapter::stubMessage(const QString &msg, bool)
{
showMessageBox(QMessageBox::Critical, tr("Debugger Error"), msg);
}
void TermGdbAdapter::stubExited()
{
if (state() == EngineShutdownRequested || state() == DebuggerFinished) {
showMessage(_("STUB EXITED EXPECTEDLY"));
return;
}
showMessage(_("STUB EXITED"));
m_engine->notifyEngineIll();
}
void TermGdbAdapter::shutdownInferior()
{
m_engine->defaultInferiorShutdown("kill");
}
void TermGdbAdapter::shutdownAdapter()
{
m_engine->notifyAdapterShutdownOk();
}
} // namespace Internal
} // namespace Debugger
|
