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
|
/*
SPDX-FileCopyrightText: 2016 Aetf <aetf@unlimitedcodeworks.xyz>
SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
#include "framestackmodel.h"
#include "debuglog.h"
#include "debugsession.h"
#include "mi/micommand.h"
#include <KLocalizedString>
namespace {
QString getFunctionOrAddress(const KDevMI::MI::Value &frame)
{
if (frame.hasField(QStringLiteral("func")))
return frame[QStringLiteral("func")].literal();
else
return frame[QStringLiteral("addr")].literal();
}
}
using namespace KDevMI::LLDB;
using namespace KDevMI::MI;
using namespace KDevMI;
LldbFrameStackModel::LldbFrameStackModel(DebugSession *session)
: MIFrameStackModel(session)
, stoppedAtThread(-1)
{
connect(session, &DebugSession::inferiorStopped, this, &LldbFrameStackModel::inferiorStopped);
}
DebugSession* LldbFrameStackModel::session()
{
return static_cast<DebugSession *>(FrameStackModel::session());
}
void LldbFrameStackModel::inferiorStopped(const MI::AsyncRecord& r)
{
if (session()->debuggerStateIsOn(s_shuttingDown)) return;
if (r.hasField(QStringLiteral("thread-id"))) {
stoppedAtThread = r[QStringLiteral("thread-id")].toInt();
}
}
void LldbFrameStackModel::fetchThreads()
{
// TODO: preliminary test shows there might be a bug in lldb-mi
// that's causing std::logic_error when executing -thread-info with
// more than one threads. Find a workaround for this (and report bug
// if it truly is).
session()->addCommand(ThreadInfo, QString(), this, &LldbFrameStackModel::handleThreadInfo);
}
void LldbFrameStackModel::handleThreadInfo(const ResultRecord& r)
{
const Value& threads = r[QStringLiteral("threads")];
QVector<FrameStackModel::ThreadItem> threadsList;
threadsList.reserve(threads.size());
for (int gidx = 0; gidx != threads.size(); ++gidx) {
FrameStackModel::ThreadItem i;
const Value & threadMI = threads[gidx];
i.nr = threadMI[QStringLiteral("id")].toInt();
if (threadMI[QStringLiteral("state")].literal() == QLatin1String("stopped")) {
// lldb-mi returns multiple frame entry for each thread
// so can't directly use threadMI["frame"]
auto &th = static_cast<const TupleValue&>(threadMI);
Value *topFrame = nullptr;
for (auto res : th.results) {
if (res->variable == QLatin1String("frame")) {
if (!topFrame || (*res->value)[QStringLiteral("level")].toInt() < (*topFrame)[QStringLiteral("level")].toInt()) {
topFrame = res->value;
}
}
}
i.name = getFunctionOrAddress(*topFrame);
} else {
i.name = i18n("(running)");
}
threadsList << i;
}
setThreads(threadsList);
if (r.hasField(QStringLiteral("current-thread-id"))) {
int currentThreadId = r[QStringLiteral("current-thread-id")].toInt();
setCurrentThread(currentThreadId);
if (session()->hasCrashed()) {
setCrashedThreadIndex(currentThreadId);
}
}
// lldb-mi doesn't have current-thread-id field. Use the thread-id field when inferiorStopped
if (stoppedAtThread != -1) {
setCurrentThread(stoppedAtThread);
}
stoppedAtThread = -1;
}
#include "moc_framestackmodel.cpp"
|
