Differential D11902 Diff 31207 autotests/html/highlight.gdb.html

Changeset View

Standalone View

View Options

autotests/html/highlight.gdb.html

  • This file was added.
1​<!DOCTYPE html>
2​<html><head>
3​<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
4​<title>highlight.gdb</title>
5​<meta name="generator" content="KF5::SyntaxHighlighting (GDB)"/>
6​</head><body style="color:#1f1c1b"><pre>
7​GNU gdb (GDB) 8.1
8​Copyright (C) 2018 Free Software Foundation, Inc.
9​License GPLv3+: GNU GPL version 3 or later &lt;http://gnu.org/licenses/gpl.html&gt;
10​This is free software: you are free to change and redistribute it.
11​There is NO WARRANTY, to the extent permitted by law. Type &quot;show copying&quot;
12​and &quot;show warranty&quot; for details.
13​This GDB was configured as &quot;x86_64-pc-linux-gnu&quot;.
14​Type &quot;show configuration&quot; for configuration details.
15​For bug reporting instructions, please see:
16​&lt;http://www.gnu.org/software/gdb/bugs/&gt;.
17​Find the GDB manual and other documentation resources online at:
18​&lt;http://www.gnu.org/software/gdb/documentation/&gt;.
19​For help, type &quot;help&quot;.
20​Type &quot;apropos word&quot; to search for commands related to &quot;word&quot;...
21​Reading symbols from your_application...done.
22​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">break</span><span style="color:#644a9b;"> main</span>
23​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">run</span><span style="color:#644a9b;"> &lt;arguments for your application&gt;</span>
24​...
25​Breakpoint 1 at 0x400b56: file yourmain.cpp, line 3
26​3: int main(int argc, char* argv[])
27​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">continue</span>
28​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">backtrace</span>
29​#0 0x7f59e39bf18d in <span style="color:#644a9b;font-weight:bold;">poll</span> () from<span style="color:#0057ae;"> /usr/lib/libc.so.6</span>
30​#1 0x7f59df6c8c7c in <span style="color:#644a9b;font-weight:bold;">??</span> () from<span style="color:#0057ae;"> /usr/lib/libglib-2.0.so.0</span>
31​#2 0x7f59df6c8d8c in <span style="color:#644a9b;font-weight:bold;">g_main_context_iteration</span> () from<span style="color:#0057ae;"> /usr/lib/libglib-2.0.so.0</span>
32​#3 0x7f59e480b23f in <span style="color:#006e28;">QEventDispatcherGlib::</span><span style="color:#644a9b;font-weight:bold;">processEvents</span>(...)
33​ from<span style="color:#0057ae;"> /usr/lib/libQt5Core.so.5</span>
34​...
35​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">where</span>
36​#0 <span style="color:#644a9b;font-weight:bold;">main</span> (argc=1, argv=0x7fffffffca88) at<span style="color:#0057ae;"> ../../debugging/ex_debugger/main.cpp</span>:11
37​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">list</span>
38​10 bool run = true;
39​11 while (run) {
40​12 // infinite loop! can you make it quit?
41​13 }
42​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">info</span><span style="color:#644a9b;"> locals</span>
43​app = &lt;incomplete type&gt;
44​run = true
45​complexData = {{d = 0x61d430, e = 0x61d430}}
46​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">info</span><span style="color:#644a9b;"> scope main.cpp:12</span>
47​Scope for main.cpp:12:
48​Symbol argc is a variable at frame base reg $rbp offset 0+-8, length 4.
49​Symbol argv is a variable at frame base reg $rbp offset 0+-16, length 8.
50​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">ptype</span><span style="color:#644a9b;"> run</span>
51​type = bool
52​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">print</span><span style="color:#644a9b;"> run</span>
53​run = true
54​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">set</span><span style="color:#644a9b;"> run = false</span>
55​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">print</span><span style="color:#644a9b;"> run</span>
56​run = false
57​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">print</span><span style="color:#644a9b;"> myString.size()</span>
58​42
59​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">ptype</span><span style="color:#644a9b;"> MyType</span>
60​type = class MyType {
61​private:
62​ int foo;
63​public:
64​ int foo() const;
65​ ...
66​}
67​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">break</span><span style="color:#644a9b;"> QMessageLogger::warning</span>
68​Breakpoint 1 at 0x7ffff6f143f0 (8 locations)
69​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">command</span><span style="color:#644a9b;"> 1</span>
70​Type commands for breakpoint(s) 1, one per line.
71​End with a line saying just \&quot;end\&quot;.
72​<span style="color:#644a9b;">&gt; </span><span style="font-weight:bold;">backtrace</span>
73​<span style="color:#644a9b;">&gt; </span><span style="font-weight:bold;">continue</span>
74​<span style="color:#644a9b;">&gt; </span><span style="font-weight:bold;">end</span>
75​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">catch</span><span style="color:#644a9b;"> throw </span><span style="color:#898887;"># or when an exception is thrown</span>
76​Catchpoint 2 (throw)
77​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">break</span><span style="color:#644a9b;"> main.cpp:12 </span><span style="color:#898887;"># or when certain code is executed</span>
78​Breakpoint 3 at 0x401216: file ../../debugging/ex_debugger/main.cpp, line 12.
79​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">info</span><span style="color:#644a9b;"> breakpoints</span>
80​Num Type Disp Enb Address What
81​1 breakpoint keep y &lt;MULTIPLE&gt;
82​1.1 y 0x7ffff6f143f0 &lt;QMessageLogger::warning(char const*, …
83​...
84​2 breakpoint keep y 0x7ffff66d9b90 exception throw
85​3 breakpoint keep y 0x000000401216 in main(int, char**)
86​ at debugging/ex_debugger/main.cpp:12
87​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">condition</span><span style="color:#644a9b;"> 3 argc &gt; 5</span>
88​ # ^-- breakpoint id, see `info breakpoints` above
89​(gdb) call <span style="color:#644a9b;font-weight:bold;">myFunction</span>()
90​(gdb) set paginat<span style="color:#0057ae;">ion off</span>
91​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">set</span><span style="color:#644a9b;"> logging file /tmp/warnings.log</span>
92​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">set</span><span style="color:#644a9b;"> logging on</span>
93​Copying output to /tmp/warnings.log.
94​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">info</span><span style="color:#644a9b;"> threads</span>
95​ Id Target Id Frame
96​2 Thread 0x7fffe10e1700 (LWP 7271) \&quot;QXcbEventReader\&quot;
97​ 0x7ffff0b6718d in poll () from /usr/lib/libc.so.6
98​* 1 Thread 0x7ffff7edd840 (LWP 7267) \&quot;kwrite\&quot;
99​ 0x7ffff0b6718d in poll () from /usr/lib/libc.so.6
100​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">thread</span>
101​<span style="color:#b08000;">[Current thread is 1 (Thread 0x7ffff7edd840 (LWP 7267))]</span>
102​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">thread</span><span style="color:#644a9b;"> 2</span>
103​[Switching to thread 2 (Thread 0x7fffe10e1700 (LWP 9765))]
104​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">thread</span><span style="color:#644a9b;"> apply all backtrace</span>
105​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">info</span><span style="color:#644a9b;"> sharedlibrary</span>
106​From To Syms Read Shared Object Library
107​0x7ffff7ddbb80 0x7ffff7df5610 Yes (*) /lib64/ld-linux-x86-64.so.2
108​0x7ffff7690460 0x7ffff7ab723c Yes /opt/qt/5.5/gcc_64/lib/libQt5Gui.so.5
109​0x7ffff6efdb80 0x7ffff71af318 Yes /opt/qt/5.5/gcc_64/lib/libQt5Core.so.5
110​0x7ffff6c02f60 0x7ffff6c5f852 Yes (*) /usr/lib/libGL.so.1
111​0x7ffff69d3ac0 0x7ffff69e0931 Yes (*) /usr/lib/libpthread.so.0
112​0x7ffff66d5fa0 0x7ffff6781d89 Yes /usr/lib/libstdc++.so.6
113​0x7ffff6353510 0x7ffff63bb33a Yes (*) /usr/lib/libm.so.6
114​...
115​(*): Shared library is missing debugging information.
116​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">list</span><span style="color:#644a9b;"> 64</span>
117​59 * If no red can be seen, then the cached implementation is \&quot;good enough\&quot;.
118​60 */
119​61 void paintEvent(QPaintEvent *event)
120​62 {
121​63 const QRect rect = event-&gt;rect();
122​64
123​65 QPainter painter(this);
124​66 painter.setRenderHint(QPainter::Antialiasing);
125​67 painter.fillRect(rect, Qt::black);
126​68
127​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">dprintf</span><span style="color:#644a9b;"> main.cpp:64,\&quot;paint rect(w=%d,h=%d)\\n\&quot;,rect.width(),rect.height()</span>
128​Dprintf 1 at 0x403a1e: file path/to/main.cpp, line 64.
129​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">continue</span>
130​Continuing.
131​paint rect(w=202,h=200)
132​paint rect(w=213,h=203)
133​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">target</span><span style="color:#644a9b;"> remote &lt;device ip&gt;:&lt;port&gt;</span>
134​Remote debugging using &lt;device ip&gt;:&lt;port&gt;
135​Reading /lib64/ld-linux-x86-64.so.2 from remote target...
136​warning: File transfers from remote targets can be slow.
137​ Use \&quot;set sysroot\&quot;to access files locally instead.
138​...
139​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">set</span><span style="color:#644a9b;"> sysroot /path/to/sysroot</span>
140​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">print</span><span style="color:#644a9b;"> myMap</span>
141​$1 = QMap&lt;QString, int&gt; = {
142​ [\&quot;bar\&quot;] = 1,
143​ [\&quot;foo\&quot;] = 2
144​}
145​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">print</span><span style="color:#644a9b;"> money</span>
146​$1 {
147​ {value = 1.20000005, currency = Money::Euro},
148​ {value = 3.4000001, currency = Money::Dollar}
149​}
150​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">python</span>
151​&gt; <span style="color:#ff5500;">import</span> sys
152​&gt; sys.path.insert(<span style="color:#b08000;">0</span>, <span style="color:#bf0303;">'/path/to/addon/debugging/ex_gdb_pretty_printer'</span>)
153​&gt; <span style="color:#ff5500;">import</span> money_printer
154​&gt; <span style="font-weight:bold;">end</span>
155​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">print</span><span style="color:#644a9b;"> money</span>
156​$2 = {
157​ \&quot;1.200000 Euro\&quot;,
158​ \&quot;3.400000 Dollar\&quot;
159​}
160​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">continue</span>
161​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">detach</span>
162​<span style="color:#644a9b;">(gdb) </span><span style="font-weight:bold;">quit</span>
163​</pre></body></html>