Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
| 2 | <html xmlns="http://www.w3.org/1999/xhtml"> |
| 3 | <head> |
| 4 | <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> |
| 5 | <link href="style.css" rel="stylesheet" type="text/css" /> |
Eli Friedman | e31493a | 2011-12-07 22:09:43 +0000 | [diff] [blame] | 6 | <title>LLDB to GDB Command Map</title> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 7 | </head> |
| 8 | |
| 9 | <body> |
| 10 | <div class="www_title"> |
| 11 | The <strong>LLDB</strong> Debugger |
| 12 | </div> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 13 | |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 14 | <div id="container"> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 15 | <div id="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 16 | <!--#include virtual="sidebar.incl"--> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 17 | <div id="middle"> |
| 18 | <div class="post"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 19 | |
Jason Molenda | 7cbdc32 | 2012-10-05 05:31:01 +0000 | [diff] [blame] | 20 | <h1 class ="postheader">GDB to LLDB Command Map</h1> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 21 | <div class="post"> |
| 22 | |
Jason Molenda | 62fa877 | 2012-10-05 04:28:33 +0000 | [diff] [blame] | 23 | <p>Below is a table of GDB commands with the LLDB counterparts. |
Enrico Granata | 79aaca0 | 2012-05-14 21:39:38 +0000 | [diff] [blame] | 24 | The built in GDB-compatibility aliases in LLDB are also |
Jason Molenda | 62fa877 | 2012-10-05 04:28:33 +0000 | [diff] [blame] | 25 | listed. The full lldb command names are often long, but any |
Jason Molenda | 54107f2 | 2012-10-05 04:29:13 +0000 | [diff] [blame] | 26 | unique short form can be used. Instead of "<b>breakpoint set</b>", |
| 27 | "<b>br se</b>" is also acceptable.</p> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 28 | </div> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 29 | <div class="postfooter"></div> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 30 | |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 31 | <h1 class ="postheader">Execution Commands</h1> |
| 32 | <div class="post"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 33 | |
| 34 | <p> |
| 35 | |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 36 | <table class="stats" width="620" cellspacing="0"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 37 | <tr> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 38 | <td class="hed" width="50%">GDB</td> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 39 | <td class="hed" width="50%">LLDB</td> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 40 | </tr> |
| 41 | |
| 42 | <tr><td class="header" colspan="2">Launch a process no arguments.</td></tr> |
| 43 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 44 | <b>(gdb)</b> run<br> |
| 45 | <b>(gdb)</b> r |
| 46 | </td> |
| 47 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 48 | <b>(lldb)</b> process launch<br> |
| 49 | <b>(lldb)</b> run<br> |
| 50 | <b>(lldb)</b> r |
| 51 | </td> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 52 | </tr> |
| 53 | |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 54 | |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 55 | <tr><td class="header" colspan="2">Launch a process with arguments <code><args></code>.</td></tr> |
| 56 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 57 | <b>(gdb)</b> run <args><br> |
| 58 | <b>(gdb)</b> r <args> |
| 59 | </td> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 60 | <td class="content"> |
| 61 | <b>(lldb)</b> process launch -- <args><br> |
| 62 | <b>(lldb)</b> r <args> |
| 63 | </td> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 64 | </tr> |
| 65 | |
| 66 | <tr><td class="header" colspan="2">Launch a process for with arguments <b><code>a.out 1 2 3</code></b> without having to supply the args every time.</td></tr> |
| 67 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 68 | <b>%</b> gdb --args a.out 1 2 3<br> |
| 69 | <b>(gdb)</b> run<br> |
| 70 | ...<br> |
| 71 | <b>(gdb)</b> run<br> |
| 72 | ...<br> |
| 73 | </td> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 74 | <td class="content"> |
| 75 | <b>%</b> lldb -- a.out 1 2 3<br> |
| 76 | <b>(lldb)</b> run<br> |
| 77 | ...<br> |
| 78 | <b>(lldb)</b> run<br> |
| 79 | ...<br> |
| 80 | </td> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 81 | </tr> |
| 82 | |
Jim Ingham | 1038418 | 2013-07-26 23:20:05 +0000 | [diff] [blame] | 83 | <tr><td class="header" colspan="2">Or:</td></tr> |
| 84 | <td class="content"> |
| 85 | <b>(gdb)</b> set args 1 2 3<br> |
| 86 | <b>(gdb)</b> run<br> |
| 87 | ...<br> |
| 88 | <b>(gdb)</b> run<br> |
| 89 | ...<br> |
| 90 | </td> |
| 91 | <td class="content"> |
| 92 | <b>(lldb)</b> settings set target.run-args 1 2 3<br> |
| 93 | <b>(lldb)</b> run<br> |
| 94 | ...<br> |
| 95 | <b>(lldb)</b> run<br> |
| 96 | ...<br> |
| 97 | </td> |
| 98 | </tr> |
| 99 | |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 100 | <tr><td class="header" colspan="2">Launch a process with arguments in new terminal window (Mac OS X only).</td></tr> |
| 101 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 102 | </td> |
| 103 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 104 | <b>(lldb)</b> process launch --tty -- <args><br> |
| 105 | <b>(lldb)</b> pro la -t -- <args><br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 106 | </td> |
| 107 | </tr> |
| 108 | |
| 109 | <tr><td class="header" colspan="2">Launch a process with arguments in existing terminal <cope>/dev/ttys006</code> (Mac OS X only).</td></tr> |
| 110 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 111 | </td> |
| 112 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 113 | <b>(lldb)</b> process launch --tty=/dev/ttys006 -- <args><br> |
| 114 | <b>(lldb)</b> pro la -t/dev/ttys006 -- <args><br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 115 | </td> |
| 116 | </tr> |
| 117 | |
Jason Molenda | 19113d6 | 2012-12-06 22:10:27 +0000 | [diff] [blame] | 118 | <tr><td class="header" colspan="2">Set environment variables for process before launching.</td></tr> |
| 119 | <td class="content"> |
| 120 | <b>(gdb)</b> set env DEBUG 1<br> |
| 121 | </td> |
| 122 | <td class="content"> |
| 123 | <b>(lldb)</b> settings set target.env-vars DEBUG=1<br> |
| 124 | <b>(lldb)</b> set se target.env-vars DEBUG=1<br> |
Greg Clayton | a53efae | 2013-02-12 18:54:34 +0000 | [diff] [blame] | 125 | <b>(lldb)</b> env DEBUG=1<br> |
Jason Molenda | 19113d6 | 2012-12-06 22:10:27 +0000 | [diff] [blame] | 126 | </td> |
| 127 | </tr> |
| 128 | |
Jim Ingham | 1038418 | 2013-07-26 23:20:05 +0000 | [diff] [blame] | 129 | <tr><td class="header" colspan="2">Show the arguments that will be or were passed to the program when run.</td></tr> |
| 130 | <td class="content"> |
| 131 | <b>(gdb)</b> show args<br> |
| 132 | Argument list to give program being debugged when it is started is "1 2 3".<br> |
| 133 | </td> |
| 134 | <td class="content"> |
| 135 | <b>(lldb)</b> settings show target.run-args<br> |
| 136 | target.run-args (array of strings) =<br> |
| 137 | [0]: "1"<br> |
| 138 | [1]: "2"<br> |
| 139 | [2]: "3"<br> |
| 140 | </td> |
| 141 | </tr> |
| 142 | |
| 143 | |
Jason Molenda | 19113d6 | 2012-12-06 22:10:27 +0000 | [diff] [blame] | 144 | <tr><td class="header" colspan="2">Set environment variables for process and launch process in one command.</td></tr> |
| 145 | <td class="content"> |
| 146 | </td> |
| 147 | <td class="content"> |
| 148 | <b>(lldb)</b> process launch -v DEBUG=1<br> |
| 149 | </td> |
| 150 | </tr> |
| 151 | |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 152 | <tr><td class="header" colspan="2">Attach to a process with process ID 123.</td></tr> |
| 153 | <tr> |
| 154 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 155 | <b>(gdb)</b> attach 123 |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 156 | </td> |
| 157 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 158 | <b>(lldb)</b> process attach --pid 123<br> |
| 159 | <b>(lldb)</b> attach -p 123 |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 160 | </td> |
| 161 | </tr> |
| 162 | |
| 163 | <tr><td class="header" colspan="2">Attach to a process named "a.out".</td></tr> |
| 164 | <tr> |
| 165 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 166 | <b>(gdb)</b> attach a.out |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 167 | </td> |
| 168 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 169 | <b>(lldb)</b> process attach --name a.out<br> |
| 170 | <b>(lldb)</b> pro at -n a.out |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 171 | </td> |
| 172 | </tr> |
| 173 | |
| 174 | <tr><td class="header" colspan="2">Wait for a process named "a.out" to launch and attach.</td></tr> |
| 175 | <tr> |
| 176 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 177 | <b>(gdb)</b> attach -waitfor a.out |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 178 | </td> |
| 179 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 180 | <b>(lldb)</b> process attach --name a.out --waitfor<br> |
| 181 | <b>(lldb)</b> pro at -n a.out -w |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 182 | </td> |
| 183 | </tr> |
| 184 | |
Jason Molenda | 4e8570b | 2012-09-26 22:42:25 +0000 | [diff] [blame] | 185 | <tr><td class="header" colspan="2">Attach to a remote gdb protocol server running on system "eorgadd", port 8000.</td></tr> |
| 186 | <tr> |
| 187 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 188 | <b>(gdb)</b> target remote eorgadd:8000 |
Jason Molenda | 4e8570b | 2012-09-26 22:42:25 +0000 | [diff] [blame] | 189 | </td> |
| 190 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 191 | <b>(lldb)</b> gdb-remote eorgadd:8000 |
Jason Molenda | 4e8570b | 2012-09-26 22:42:25 +0000 | [diff] [blame] | 192 | </td> |
| 193 | </tr> |
| 194 | |
| 195 | <tr><td class="header" colspan="2">Attach to a remote gdb protocol server running on the local system, port 8000.</td></tr> |
| 196 | <tr> |
| 197 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 198 | <b>(gdb)</b> target remote localhost:8000 |
Jason Molenda | 4e8570b | 2012-09-26 22:42:25 +0000 | [diff] [blame] | 199 | </td> |
| 200 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 201 | <b>(lldb)</b> gdb-remote 8000 |
Jason Molenda | 4e8570b | 2012-09-26 22:42:25 +0000 | [diff] [blame] | 202 | </td> |
| 203 | </tr> |
| 204 | |
| 205 | <tr><td class="header" colspan="2">Attach to a Darwin kernel in kdp mode on system "eorgadd".</td></tr> |
| 206 | <tr> |
| 207 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 208 | <b>(gdb)</b> kdp-reattach eorgadd |
Jason Molenda | 4e8570b | 2012-09-26 22:42:25 +0000 | [diff] [blame] | 209 | </td> |
| 210 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 211 | <b>(lldb)</b> kdp-remote eorgadd |
Jason Molenda | 4e8570b | 2012-09-26 22:42:25 +0000 | [diff] [blame] | 212 | </td> |
| 213 | </tr> |
| 214 | |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 215 | <tr><td class="header" colspan="2">Do a source level single step in the currently selected thread.</td></tr> |
| 216 | <tr> |
| 217 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 218 | <b>(gdb)</b> step<br> |
| 219 | <b>(gdb)</b> s |
| 220 | </td> |
| 221 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 222 | <b>(lldb)</b> thread step-in<br> |
| 223 | <b>(lldb)</b> step<br> |
| 224 | <b>(lldb)</b> s |
| 225 | </td> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 226 | </tr> |
| 227 | |
| 228 | |
| 229 | <tr><td class="header" colspan="2">Do a source level single step over in the currently selected thread.</td></tr> |
| 230 | <tr> |
| 231 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 232 | <b>(gdb)</b> next<br> |
| 233 | <b>(gdb)</b> n |
| 234 | </td> |
| 235 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 236 | <b>(lldb)</b> thread step-over<br> |
| 237 | <b>(lldb)</b> next<br> |
| 238 | <b>(lldb)</b> n<br> |
| 239 | </td> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 240 | </tr> |
| 241 | |
| 242 | <tr><td class="header" colspan="2">Do an instruction level single step in the currently selected thread.</td></tr> |
| 243 | <tr> |
| 244 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 245 | <b>(gdb)</b> stepi<br> |
| 246 | <b>(gdb)</b> si |
| 247 | </td> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 248 | <td class="content"> |
| 249 | <b>(lldb)</b> thread step-inst<br> |
| 250 | <b>(lldb)</b> si<br> |
| 251 | </td> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 252 | </tr> |
| 253 | |
| 254 | <tr><td class="header" colspan="2">Do an instruction level single step over in the currently selected thread.</td></tr> |
| 255 | <tr> |
| 256 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 257 | <b>(gdb)</b> nexti<br> |
| 258 | <b>(gdb)</b> ni |
| 259 | </td> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 260 | <td class="content"> |
| 261 | <b>(lldb)</b> thread step-inst-over<br> |
| 262 | <b>(lldb)</b> ni |
| 263 | </td> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 264 | </tr> |
| 265 | |
| 266 | <tr><td class="header" colspan="2">Step out of the currently selected frame.</td></tr> |
| 267 | <tr> |
| 268 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 269 | <b>(gdb)</b> finish<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 270 | </td> |
| 271 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 272 | <b>(lldb)</b> thread step-out<br> |
| 273 | <b>(lldb)</b> finish<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 274 | </td> |
| 275 | </tr> |
| 276 | |
Jim Ingham | d441807 | 2013-02-20 23:38:37 +0000 | [diff] [blame] | 277 | <tr><td class="header" colspan="2">Return immediately from the currently selected frame, with an optional return value.</td></tr> |
| 278 | <tr> |
| 279 | <td class="content"> |
| 280 | <b>(gdb)</b> return <RETURN EXPRESSION><br> |
| 281 | </td> |
| 282 | <td class="content"> |
| 283 | <b>(lldb)</b> thread return <RETURN EXPRESSION><br> |
| 284 | </td> |
| 285 | </tr> |
| 286 | |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 287 | <tr><td class="header" colspan="2">Backtrace and disassemble every time you stop.</td></tr> |
| 288 | <tr> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 289 | <td class="content"> |
| 290 | </td> |
| 291 | <td class="content"> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 292 | <b>(lldb)</b> target stop-hook add<br> |
| 293 | Enter your stop hook command(s). Type 'DONE' to end.<br> |
| 294 | > bt<br> |
| 295 | > disassemble --pc<br> |
| 296 | > DONE<br> |
| 297 | Stop hook #1 added.<br> |
| 298 | </td> |
| 299 | </tr> |
| 300 | |
| 301 | </table> |
| 302 | <p> |
| 303 | </div> |
| 304 | <div class="postfooter"></div> |
| 305 | |
| 306 | <h1 class ="postheader">Breakpoint Commands</h1> |
| 307 | <div class="post"> |
| 308 | |
| 309 | <p> |
| 310 | |
| 311 | <table class="stats" width="620" cellspacing="0"> |
| 312 | <tr> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 313 | <td class="hed" width="50%">GDB</td> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 314 | <td class="hed" width="50%">LLDB</td> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 315 | </tr> |
| 316 | |
| 317 | <tr><td class="header" colspan="2">Set a breakpoint at all functions named <b>main</b>.</td></tr> |
| 318 | <tr> |
| 319 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 320 | <b>(gdb)</b> break main |
| 321 | </td> |
| 322 | <td class="content"> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 323 | <b>(lldb)</b> breakpoint set --name main<br> |
| 324 | <b>(lldb)</b> br s -n main<br> |
| 325 | <b>(lldb)</b> b main |
| 326 | </td> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 327 | </tr> |
| 328 | |
| 329 | <tr><td class="header" colspan="2">Set a breakpoint in file <b>test.c</b> at line <b>12</b>.</td></tr> |
| 330 | <tr> |
| 331 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 332 | <b>(gdb)</b> break test.c:12 |
| 333 | </td> |
| 334 | <td class="content"> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 335 | <b>(lldb)</b> breakpoint set --file test.c --line 12<br> |
| 336 | <b>(lldb)</b> br s -f test.c -l 12<br> |
| 337 | <b>(lldb)</b> b test.c:12 |
| 338 | </td> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 339 | </tr> |
| 340 | |
| 341 | <tr><td class="header" colspan="2">Set a breakpoint at all C++ methods whose basename is <b>main</b>.</td></tr> |
| 342 | <tr> |
| 343 | <td class="content"> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 344 | <b>(gdb)</b> break main<br> |
| 345 | <i>(Hope that there are no C funtions named <b>main</b>)</i>. |
| 346 | </td> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 347 | <td class="content"> |
| 348 | <b>(lldb)</b> breakpoint set --method main<br> |
| 349 | <b>(lldb)</b> br s -M main<br> |
| 350 | </td> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 351 | </tr> |
| 352 | |
Greg Clayton | e90903a | 2012-02-16 02:10:58 +0000 | [diff] [blame] | 353 | <tr><td class="header" colspan="2">Set a breakpoint at and object C function: <b>-[NSString stringWithFormat:]</b>.</td></tr> |
| 354 | <tr> |
| 355 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 356 | <b>(gdb)</b> break -[NSString stringWithFormat:]<br> |
Greg Clayton | e90903a | 2012-02-16 02:10:58 +0000 | [diff] [blame] | 357 | </td> |
| 358 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 359 | <b>(lldb)</b> breakpoint set --name "-[NSString stringWithFormat:]"<br> |
| 360 | <b>(lldb)</b> b -[NSString stringWithFormat:]<br> |
Greg Clayton | e90903a | 2012-02-16 02:10:58 +0000 | [diff] [blame] | 361 | </td> |
| 362 | </tr> |
| 363 | |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 364 | <tr><td class="header" colspan="2">Set a breakpoint at all Objective C methods whose selector is <b>count</b>.</td></tr> |
| 365 | <tr> |
| 366 | <td class="content"> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 367 | <b>(gdb)</b> break count<br> |
| 368 | <i>(Hope that there are no C or C++ funtions named <b>count</b>)</i>. |
| 369 | </td> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 370 | <td class="content"> |
| 371 | <b>(lldb)</b> breakpoint set --selector count<br> |
| 372 | <b>(lldb)</b> br s -S count<br> |
| 373 | </td> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 374 | </tr> |
Jim Ingham | e128068 | 2012-10-18 21:54:05 +0000 | [diff] [blame] | 375 | <tr><td class="header" colspan="2">Set a breakpoint by regular expression on function name.</td></tr> |
| 376 | |
| 377 | <tr> |
| 378 | <td class="content"> |
| 379 | <b>(gdb)</b> rbreak regular-expression<br> |
| 380 | </td> |
| 381 | <td class="content"> |
Greg Clayton | 9d1ac6a | 2012-12-19 00:15:34 +0000 | [diff] [blame] | 382 | <b>(lldb)</b> breakpoint set --func-regex regular-expression<br> |
Jim Ingham | e128068 | 2012-10-18 21:54:05 +0000 | [diff] [blame] | 383 | <b>(lldb)</b> br s -r regular-expression<br> |
| 384 | </td> |
| 385 | </tr> |
| 386 | |
Jim Ingham | 0772b53 | 2013-02-14 19:17:49 +0000 | [diff] [blame] | 387 | <tr><td class="header" colspan="2">Ensure that breakpoints by file and line work for #included .c/.cpp/.m files.</td></tr> |
| 388 | |
| 389 | <tr> |
| 390 | <td class="content"> |
| 391 | <b>(gdb)</b> b foo.c:12<br> |
| 392 | </td> |
| 393 | <td class="content"> |
| 394 | <b>(lldb)</b> settings set target.inline-breakpoint-strategy always<br> |
| 395 | <b>(lldb)</b> br s -f foo.c -l 12<br> |
| 396 | </td> |
| 397 | </tr> |
| 398 | |
Jim Ingham | e128068 | 2012-10-18 21:54:05 +0000 | [diff] [blame] | 399 | <tr><td class="header" colspan="2">Set a breakpoint by regular expression on source file contents.</td></tr> |
| 400 | |
| 401 | <tr> |
| 402 | <td class="content"> |
| 403 | <b>(gdb)</b> shell grep -e -n pattern source-file<br> |
| 404 | <b>(gdb)</b> break source-file:CopyLineNumbers<br> |
| 405 | </td> |
| 406 | <td class="content"> |
| 407 | <b>(lldb)</b> breakpoint set --source-pattern regular-expression --file SourceFile<br> |
| 408 | <b>(lldb)</b> br s -p regular-expression -f file<br> |
| 409 | </td> |
| 410 | </tr> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 411 | |
Sean Callanan | caf4da9 | 2012-01-04 21:20:39 +0000 | [diff] [blame] | 412 | <tr><td class="header" colspan="2">List all breakpoints.</td></tr> |
| 413 | <tr> |
| 414 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 415 | <b>(gdb)</b> info break<br> |
Sean Callanan | caf4da9 | 2012-01-04 21:20:39 +0000 | [diff] [blame] | 416 | </td> |
| 417 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 418 | <b>(lldb)</b> breakpoint list<br> |
| 419 | <b>(lldb)</b> br l<br> |
Sean Callanan | caf4da9 | 2012-01-04 21:20:39 +0000 | [diff] [blame] | 420 | </td> |
| 421 | </tr> |
| 422 | |
| 423 | <tr><td class="header" colspan="2">Delete a breakpoint.</td></tr> |
| 424 | <tr> |
| 425 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 426 | <b>(gdb)</b> delete 1<br> |
Sean Callanan | caf4da9 | 2012-01-04 21:20:39 +0000 | [diff] [blame] | 427 | </td> |
| 428 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 429 | <b>(lldb)</b> breakpoint delete 1<br> |
| 430 | <b>(lldb)</b> br del 1<br> |
Sean Callanan | caf4da9 | 2012-01-04 21:20:39 +0000 | [diff] [blame] | 431 | </td> |
| 432 | </tr> |
| 433 | |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 434 | </table> |
| 435 | <p> |
| 436 | </div> |
Johnny Chen | 48e8dde | 2012-03-16 00:44:02 +0000 | [diff] [blame] | 437 | <div class="postfooter"></div> |
| 438 | |
| 439 | <h1 class ="postheader">Watchpoint Commands</h1> |
| 440 | <div class="post"> |
| 441 | |
| 442 | <p> |
| 443 | |
| 444 | <table class="stats" width="620" cellspacing="0"> |
| 445 | <tr> |
Johnny Chen | 48e8dde | 2012-03-16 00:44:02 +0000 | [diff] [blame] | 446 | <td class="hed" width="50%">GDB</td> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 447 | <td class="hed" width="50%">LLDB</td> |
Johnny Chen | 48e8dde | 2012-03-16 00:44:02 +0000 | [diff] [blame] | 448 | </tr> |
| 449 | |
| 450 | <tr><td class="header" colspan="2">Set a watchpoint on a variable when it is written to.</td></tr> |
| 451 | <tr> |
| 452 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 453 | <b>(gdb)</b> watch global_var |
Johnny Chen | 48e8dde | 2012-03-16 00:44:02 +0000 | [diff] [blame] | 454 | </td> |
| 455 | <td class="content"> |
Jason Molenda | da2be4e | 2012-10-05 20:25:53 +0000 | [diff] [blame] | 456 | <b>(lldb)</b> watchpoint set variable global_var<br> |
| 457 | <b>(lldb)</b> wa s v global_var<br> |
Johnny Chen | 48e8dde | 2012-03-16 00:44:02 +0000 | [diff] [blame] | 458 | </td> |
| 459 | </tr> |
| 460 | |
| 461 | <tr><td class="header" colspan="2">Set a watchpoint on a memory location when it is written into. The size of the region to watch for defaults to the pointer size if no '-x byte_size' is specified. |
| 462 | This command takes raw input, evaluated as an expression returning an unsigned integer pointing to the start of the region, after the '--' option terminator.</td></tr> |
| 463 | <tr> |
| 464 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 465 | <b>(gdb)</b> watch -location g_char_ptr |
| 466 | </td> |
| 467 | <td class="content"> |
Jason Molenda | e247745 | 2012-10-05 20:28:11 +0000 | [diff] [blame] | 468 | <b>(lldb)</b> watchpoint set expression -- my_ptr<br> |
Jason Molenda | da2be4e | 2012-10-05 20:25:53 +0000 | [diff] [blame] | 469 | <b>(lldb)</b> wa s e -- my_ptr<br> |
Johnny Chen | 48e8dde | 2012-03-16 00:44:02 +0000 | [diff] [blame] | 470 | </td> |
Johnny Chen | 48e8dde | 2012-03-16 00:44:02 +0000 | [diff] [blame] | 471 | </tr> |
| 472 | |
| 473 | <tr><td class="header" colspan="2">Set a condition on a watchpoint</b>.</td></tr> |
| 474 | <tr> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 475 | <td class="content"> |
| 476 | </td> |
| 477 | <td class="content"> |
Jason Molenda | e247745 | 2012-10-05 20:28:11 +0000 | [diff] [blame] | 478 | <b>(lldb)</b> watch set var global<br> |
Johnny Chen | 48e8dde | 2012-03-16 00:44:02 +0000 | [diff] [blame] | 479 | <b>(lldb)</b> watchpoint modify -c '(global==5)'<br> |
| 480 | <b>(lldb)</b> c<br> |
| 481 | ...<br> |
| 482 | <b>(lldb)</b> bt<br> |
| 483 | * thread #1: tid = 0x1c03, 0x0000000100000ef5 a.out`modify + 21 at main.cpp:16, stop reason = watchpoint 1<br> |
| 484 | frame #0: 0x0000000100000ef5 a.out`modify + 21 at main.cpp:16<br> |
| 485 | frame #1: 0x0000000100000eac a.out`main + 108 at main.cpp:25<br> |
| 486 | frame #2: 0x00007fff8ac9c7e1 libdyld.dylib`start + 1<br> |
| 487 | <b>(lldb)</b> frame var global<br> |
| 488 | (int32_t) global = 5<br> |
| 489 | </td> |
| 490 | </tr> |
| 491 | |
| 492 | <tr><td class="header" colspan="2">List all watchpoints.</td></tr> |
| 493 | <tr> |
| 494 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 495 | <b>(gdb)</b> info break<br> |
Johnny Chen | 48e8dde | 2012-03-16 00:44:02 +0000 | [diff] [blame] | 496 | </td> |
| 497 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 498 | <b>(lldb)</b> watchpoint list<br> |
| 499 | <b>(lldb)</b> watch l<br> |
Johnny Chen | 48e8dde | 2012-03-16 00:44:02 +0000 | [diff] [blame] | 500 | </td> |
| 501 | </tr> |
| 502 | |
| 503 | <tr><td class="header" colspan="2">Delete a watchpoint.</td></tr> |
| 504 | <tr> |
| 505 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 506 | <b>(gdb)</b> delete 1<br> |
Johnny Chen | 48e8dde | 2012-03-16 00:44:02 +0000 | [diff] [blame] | 507 | </td> |
| 508 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 509 | <b>(lldb)</b> watchpoint delete 1<br> |
| 510 | <b>(lldb)</b> watch del 1<br> |
Johnny Chen | 48e8dde | 2012-03-16 00:44:02 +0000 | [diff] [blame] | 511 | </td> |
| 512 | </tr> |
| 513 | |
| 514 | </table> |
| 515 | <p> |
| 516 | </div> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 517 | |
| 518 | <div class="postfooter"></div> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 519 | <h1 class ="postheader">Examining Variables</h1> |
| 520 | <div class="post"> |
| 521 | <p> |
| 522 | <table class="stats" width="620" cellspacing="0"> |
| 523 | <tr> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 524 | <td class="hed" width="50%">GDB</td> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 525 | <td class="hed" width="50%">LLDB</td> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 526 | </tr> |
| 527 | |
| 528 | <tr><td class="header" colspan="2">Show the arguments and local variables for the current frame.</td></tr> |
| 529 | <tr> |
| 530 | <td class="content"> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 531 | <b>(gdb)</b> info args<br> |
| 532 | and<br> |
| 533 | <b>(gdb)</b> info locals<br> |
| 534 | </td> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 535 | <td class="content"> |
| 536 | <b>(lldb)</b> frame variable<br> |
Jason Molenda | da2be4e | 2012-10-05 20:25:53 +0000 | [diff] [blame] | 537 | <b>(lldb)</b> fr v<br> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 538 | </td> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 539 | </tr> |
| 540 | |
| 541 | <tr><td class="header" colspan="2">Show the local variables for the current frame.</td></tr> |
| 542 | <tr> |
| 543 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 544 | <b>(gdb)</b> info locals<br> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 545 | </td> |
| 546 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 547 | <b>(lldb)</b> frame variable --no-args<br> |
| 548 | <b>(lldb)</b> fr v -a<br> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 549 | </td> |
| 550 | </tr> |
| 551 | |
| 552 | <tr><td class="header" colspan="2">Show the contents of local variable "bar".</td></tr> |
| 553 | <tr> |
| 554 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 555 | <b>(gdb)</b> p bar<br> |
| 556 | </td> |
| 557 | <td class="content"> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 558 | <b>(lldb)</b> frame variable bar <br> |
| 559 | <b>(lldb)</b> fr v bar <br> |
| 560 | <b>(lldb)</b> p bar <br> |
| 561 | </td> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 562 | </tr> |
| 563 | |
| 564 | <tr><td class="header" colspan="2">Show the contents of local variable "bar" formatted as hex.</td></tr> |
| 565 | <tr> |
| 566 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 567 | <b>(gdb)</b> p/x bar<br> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 568 | </td> |
| 569 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 570 | <b>(lldb)</b> frame variable --format x bar <br> |
| 571 | <b>(lldb)</b> fr v -f x bar <br> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 572 | </td> |
| 573 | </tr> |
| 574 | |
| 575 | <tr><td class="header" colspan="2">Show the contents of global variable "baz".</td></tr> |
| 576 | <tr> |
| 577 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 578 | <b>(gdb)</b> p baz<br> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 579 | </td> |
| 580 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 581 | <b>(lldb)</b> target variable baz <br> |
| 582 | <b>(lldb)</b> ta v baz <br> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 583 | </td> |
| 584 | </tr> |
| 585 | |
| 586 | <tr><td class="header" colspan="2">Show the global/static variables defined in the current source file.</td></tr> |
| 587 | <tr> |
| 588 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 589 | n/a<br> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 590 | </td> |
| 591 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 592 | <b>(lldb)</b> target variable <br> |
| 593 | <b>(lldb)</b> ta v <br> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 594 | </td> |
| 595 | </tr> |
| 596 | |
Jason Molenda | a0a10d0 | 2011-10-25 01:28:56 +0000 | [diff] [blame] | 597 | <tr><td class="header" colspan="2">Display a the variable "argc" and "argv" every time you stop.</td></tr> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 598 | <tr> |
| 599 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 600 | <b>(gdb)</b> display argc<br> |
| 601 | <b>(gdb)</b> display argv<br> |
| 602 | </td> |
| 603 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 604 | <b>(lldb)</b> target stop-hook add --one-liner "frame variable argc argv"<br> |
| 605 | <b>(lldb)</b> ta st a -o "fr v argc argv"<br> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 606 | <b>(lldb)</b> display argc<br> |
| 607 | <b>(lldb)</b> display argv<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 608 | </td> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 609 | </tr> |
| 610 | |
| 611 | <tr><td class="header" colspan="2">Display a the variable "argc" and "argv" only when you stop in the function named <b>main</b>.</td></tr> |
| 612 | <tr> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 613 | <td class="content"> |
| 614 | </td> |
| 615 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 616 | <b>(lldb)</b> target stop-hook add --name main --one-liner "frame variable argc argv"<br> |
| 617 | <b>(lldb)</b> ta st a -n main -o "fr v argc argv"<br> |
| 618 | </td> |
| 619 | </tr> |
| 620 | |
| 621 | <tr><td class="header" colspan="2">Display the variable "*this" only when you stop in c class named <b>MyClass</b>.</td></tr> |
| 622 | <tr> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 623 | <td class="content"> |
| 624 | </td> |
| 625 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 626 | <b>(lldb)</b> target stop-hook add --classname MyClass --one-liner "frame variable *this"<br> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 627 | <b>(lldb)</b> ta st a -c MyClass -o "fr v *this"<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 628 | </td> |
| 629 | </tr> |
| 630 | |
| 631 | </table> |
| 632 | <p> |
| 633 | </div> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 634 | |
Jim Ingham | 41609db | 2012-08-24 22:56:40 +0000 | [diff] [blame] | 635 | |
| 636 | |
| 637 | |
| 638 | <h1 class ="postheader">Evaluating expressions</h1> |
| 639 | <div class="post"> |
| 640 | <p> |
| 641 | <table class="stats" width="620" cellspacing="0"> |
| 642 | <tr> |
Jim Ingham | 41609db | 2012-08-24 22:56:40 +0000 | [diff] [blame] | 643 | <td class="hed" width="50%">GDB</td> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 644 | <td class="hed" width="50%">LLDB</td> |
Jim Ingham | 41609db | 2012-08-24 22:56:40 +0000 | [diff] [blame] | 645 | </tr> |
| 646 | |
| 647 | <tr><td class="header" colspan="2">Evaluating a generalized expression in the current frame.</td></tr> |
| 648 | <tr> |
| 649 | <td class="content"> |
Jim Ingham | 41609db | 2012-08-24 22:56:40 +0000 | [diff] [blame] | 650 | <b>(gdb)</b> print (int) printf ("Print nine: %d.", 4 + 5)<br> |
| 651 | or if you don't want to see void returns: <br> |
| 652 | <b>(gdb)</b> call (int) printf ("Print nine: %d.", 4 + 5)<br> |
| 653 | </td> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 654 | <td class="content"> |
| 655 | <b>(lldb)</b> expr (int) printf ("Print nine: %d.", 4 + 5)<br> |
| 656 | or using the print alias:<br> |
| 657 | <b>(lldb)</b> print (int) printf ("Print nine: %d.", 4 + 5)<br> |
| 658 | </td> |
Jim Ingham | 41609db | 2012-08-24 22:56:40 +0000 | [diff] [blame] | 659 | </tr> |
| 660 | |
Jim Ingham | d21d8aa | 2012-10-25 17:35:53 +0000 | [diff] [blame] | 661 | <tr><td class="header" colspan="2">Creating and assigning a value to a convenience variable.</td></tr> |
| 662 | <tr> |
| 663 | <td class="content"> |
| 664 | <b>(gdb)</b> set $foo = 5<br> |
| 665 | <b>(gdb)</b> set variable $foo = 5<br> |
| 666 | or using the print command <br> |
| 667 | <b>(gdb)</b> print $foo = 5<br> |
| 668 | or using the call command <br> |
| 669 | <b>(gdb)</b> call $foo = 5<br> |
| 670 | and if you want to specify the type of the variable: |
| 671 | <b>(gdb)</b> set $foo = (unsigned int) 5<br> |
| 672 | |
| 673 | </td> |
| 674 | <td class="content"> |
| 675 | In lldb you evaluate a variable declaration expression as you would write it in C:<br> |
| 676 | <b>(lldb)</b> expr unsigned int $foo = 5<br> |
| 677 | </td> |
| 678 | </tr> |
| 679 | |
Jim Ingham | 41609db | 2012-08-24 22:56:40 +0000 | [diff] [blame] | 680 | <tr><td class="header" colspan="2">Printing the ObjC "description" of an object.</td></tr> |
| 681 | <tr> |
| 682 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 683 | <b>(gdb)</b> po [SomeClass returnAnObject]<br> |
| 684 | </td> |
| 685 | <td class="content"> |
Jim Ingham | 41609db | 2012-08-24 22:56:40 +0000 | [diff] [blame] | 686 | <b>(lldb)</b> expr -o -- [SomeClass returnAnObject]<br> |
| 687 | or using the po alias:<br> |
| 688 | <b>(lldb)</b> po [SomeClass returnAnObject]<br> |
| 689 | </td> |
Jim Ingham | 41609db | 2012-08-24 22:56:40 +0000 | [diff] [blame] | 690 | </tr> |
| 691 | |
| 692 | <tr><td class="header" colspan="2">Print the dynamic type of the result of an expression.</td></tr> |
| 693 | <tr> |
| 694 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 695 | <b>(gdb)</b> set print object 1<br> |
| 696 | <b>(gdb)</b> p someCPPObjectPtrOrReference<br> |
| 697 | only works for C++ objects.<br> |
| 698 | </td> |
| 699 | <td class="content"> |
Jim Ingham | 41609db | 2012-08-24 22:56:40 +0000 | [diff] [blame] | 700 | <b>(lldb)</b> expr -d 1 -- [SomeClass returnAnObject]<br> |
| 701 | <b>(lldb)</b> expr -d 1 -- someCPPObjectPtrOrReference<br> |
| 702 | or set dynamic type printing to be the default: |
| 703 | <b>(lldb)</b> settings set target.prefer-dynamic run-target<br> |
| 704 | </td> |
Jim Ingham | 41609db | 2012-08-24 22:56:40 +0000 | [diff] [blame] | 705 | </tr> |
| 706 | |
Jim Ingham | 9a579ee | 2012-11-15 19:13:33 +0000 | [diff] [blame] | 707 | <tr><td class="header" colspan="2">Calling a function so you can stop at a breakpoint in the function.</td></tr> |
| 708 | <tr> |
| 709 | <td class="content"> |
| 710 | <b>(gdb)</b> set unwindonsignal 0<br> |
| 711 | <b>(gdb)</b> p function_with_a_breakpoint()<br> |
| 712 | </td> |
| 713 | <td class="content"> |
Jim Ingham | df7a41d | 2013-01-15 02:57:33 +0000 | [diff] [blame] | 714 | <b>(lldb)</b> expr -i 0 -- function_with_a_breakpoint()<br> |
| 715 | </td> |
| 716 | </tr> |
| 717 | |
| 718 | <tr><td class="header" colspan="2">Calling a function that crashes, and stopping when the function crashes.</td></tr> |
| 719 | <tr> |
| 720 | <td class="content"> |
| 721 | <b>(gdb)</b> set unwindonsignal 0<br> |
| 722 | <b>(gdb)</b> p function_which_crashes()<br> |
| 723 | </td> |
| 724 | <td class="content"> |
| 725 | <b>(lldb)</b> expr -u 0 -- function_which_crashes()<br> |
Jim Ingham | 9a579ee | 2012-11-15 19:13:33 +0000 | [diff] [blame] | 726 | </td> |
| 727 | </tr> |
| 728 | |
Jim Ingham | 41609db | 2012-08-24 22:56:40 +0000 | [diff] [blame] | 729 | |
| 730 | </table> |
| 731 | <p> |
| 732 | </div> |
| 733 | |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 734 | <h1 class ="postheader">Examining Thread State</h1> |
| 735 | <div class="post"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 736 | <p> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 737 | <table class="stats" width="620" cellspacing="0"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 738 | <tr> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 739 | <td class="hed" width="50%">GDB</td> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 740 | <td class="hed" width="50%">LLDB</td> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 741 | </tr> |
| 742 | |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 743 | |
| 744 | <tr><td class="header" colspan="2">Show the stack backtrace for the current thread.</td></tr> |
| 745 | <tr> |
| 746 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 747 | <b>(gdb)</b> bt<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 748 | </td> |
| 749 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 750 | <b>(lldb)</b> thread backtrace<br> |
| 751 | <b>(lldb)</b> bt<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 752 | </td> |
| 753 | </tr> |
| 754 | |
| 755 | <tr><td class="header" colspan="2">Show the stack backtraces for all threads.</td></tr> |
| 756 | <tr> |
| 757 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 758 | <b>(gdb)</b> thread apply all bt |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 759 | </td> |
| 760 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 761 | <b>(lldb)</b> thread backtrace all<br> |
| 762 | <b>(lldb)</b> bt all |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 763 | </td> |
| 764 | </tr> |
| 765 | |
Jason Molenda | b856a45 | 2012-10-26 23:56:03 +0000 | [diff] [blame] | 766 | <tr><td class="header" colspan="2">Backtrace the first five frames of the current thread.</td></tr> |
Jason Molenda | 6021b24 | 2012-10-26 23:52:49 +0000 | [diff] [blame] | 767 | <tr> |
| 768 | <td class="content"> |
| 769 | <b>(gdb)</b> bt 5 |
| 770 | </td> |
| 771 | <td class="content"> |
| 772 | <b>(lldb)</b> thread backtrace -c 5<br> |
Jason Molenda | b856a45 | 2012-10-26 23:56:03 +0000 | [diff] [blame] | 773 | <b>(lldb)</b> bt 5 (<i>lldb-169 and later</i>)<br> |
| 774 | <b>(lldb)</b> bt -c 5 (<i>lldb-168 and earlier</i>) |
Jason Molenda | 6021b24 | 2012-10-26 23:52:49 +0000 | [diff] [blame] | 775 | </td> |
| 776 | </tr> |
| 777 | |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 778 | <tr><td class="header" colspan="2">Select a different stack frame by index for the current thread.</td></tr> |
| 779 | <tr> |
| 780 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 781 | <b>(gdb)</b> frame 12 |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 782 | </td> |
| 783 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 784 | <b>(lldb)</b> frame select 12<br> |
Jason Molenda | da2be4e | 2012-10-05 20:25:53 +0000 | [diff] [blame] | 785 | <b>(lldb)</b> fr s 12<br> |
| 786 | <b>(lldb)</b> f 12<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 787 | </td> |
| 788 | </tr> |
| 789 | |
Johnny Chen | 2c2d573 | 2012-03-21 18:14:37 +0000 | [diff] [blame] | 790 | <tr><td class="header" colspan="2">List information about the currently selected frame in the current thread.</td></tr> |
| 791 | <tr> |
| 792 | <td class="content"> |
Johnny Chen | 2c2d573 | 2012-03-21 18:14:37 +0000 | [diff] [blame] | 793 | </td> |
| 794 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 795 | <b>(lldb)</b> frame info<br> |
Johnny Chen | 2c2d573 | 2012-03-21 18:14:37 +0000 | [diff] [blame] | 796 | </td> |
| 797 | </tr> |
| 798 | |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 799 | <tr><td class="header" colspan="2">Select the stack frame that called the current stack frame.</td></tr> |
| 800 | <tr> |
| 801 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 802 | <b>(gdb)</b> up |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 803 | </td> |
| 804 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 805 | <b>(lldb)</b> up<br> |
| 806 | <b>(lldb)</b> frame select --relative=1<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 807 | </td> |
| 808 | </tr> |
| 809 | |
| 810 | <tr><td class="header" colspan="2">Select the stack frame that is called by the current stack frame.</td></tr> |
| 811 | <tr> |
| 812 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 813 | <b>(gdb)</b> down |
| 814 | </td> |
| 815 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 816 | <b>(lldb)</b> down<br> |
| 817 | <b>(lldb)</b> frame select --relative=-1<br> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 818 | <b>(lldb)</b> fr s -r-1<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 819 | </td> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 820 | </tr> |
| 821 | |
| 822 | <tr><td class="header" colspan="2">Select a different stack frame using a relative offset.</td></tr> |
| 823 | <tr> |
| 824 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 825 | <b>(gdb)</b> up 2<br> |
| 826 | <b>(gdb)</b> down 3<br> |
| 827 | </td> |
| 828 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 829 | <b>(lldb)</b> frame select --relative 2<br> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 830 | <b>(lldb)</b> fr s -r2<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 831 | <br> |
| 832 | <b>(lldb)</b> frame select --relative -3<br> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 833 | <b>(lldb)</b> fr s -r-3<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 834 | </td> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 835 | </tr> |
| 836 | |
| 837 | <tr><td class="header" colspan="2">Show the general purpose registers for the current thread.</td></tr> |
| 838 | <tr> |
| 839 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 840 | <b>(gdb)</b> info registers<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 841 | </td> |
| 842 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 843 | <b>(lldb)</b> register read<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 844 | </td> |
| 845 | </tr> |
| 846 | |
Greg Clayton | 3499e18 | 2012-10-17 20:58:52 +0000 | [diff] [blame] | 847 | <tr><td class="header" colspan="2">Write a new decimal value '123' to the current thread register 'rax'.</td></tr> |
| 848 | <tr> |
| 849 | <td class="content"> |
| 850 | <b>(gdb)</b> p $rax = 123<br> |
| 851 | </td> |
| 852 | <td class="content"> |
| 853 | <b>(lldb)</b> register write rax 123<br> |
| 854 | </td> |
| 855 | </tr> |
| 856 | |
| 857 | <tr><td class="header" colspan="2">Skip 8 bytes ahead of the current program counter (instruction pointer). Note that we use backticks to evaluate an expression and insert the scalar result in LLDB.</td></tr> |
| 858 | <tr> |
| 859 | <td class="content"> |
| 860 | <b>(gdb)</b> jump *$pc+8<br> |
| 861 | </td> |
| 862 | <td class="content"> |
| 863 | <b>(lldb)</b> register write pc `$pc+8`<br> |
| 864 | </td> |
| 865 | </tr> |
| 866 | |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 867 | <tr><td class="header" colspan="2">Show the general purpose registers for the current thread formatted as <b>signed decimal</b>. LLDB tries to use |
| 868 | the same format characters as <b>printf(3)</b> when possible. Type "help format" to see the full list of format specifiers.</td></tr> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 869 | <tr> |
| 870 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 871 | </td> |
| 872 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 873 | <b>(lldb)</b> register read --format i<br> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 874 | <b>(lldb)</b> re r -f i<br> |
Greg Clayton | e90903a | 2012-02-16 02:10:58 +0000 | [diff] [blame] | 875 | <br> |
| 876 | <i>LLDB now supports the GDB shorthand format syntax but there can't be space after the command:</i><br> |
| 877 | <b>(lldb)</b> register read/d<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 878 | </td> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 879 | </tr> |
| 880 | |
| 881 | <tr><td class="header" colspan="2">Show all registers in all register sets for the current thread.</td></tr> |
| 882 | <tr> |
| 883 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 884 | <b>(gdb)</b> info all-registers<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 885 | </td> |
| 886 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 887 | <b>(lldb)</b> register read --all<br> |
| 888 | <b>(lldb)</b> re r -a<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 889 | </td> |
| 890 | </tr> |
| 891 | |
| 892 | <tr><td class="header" colspan="2">Show the values for the registers named "rax", "rsp" and "rbp" in the current thread.</td></tr> |
| 893 | <tr> |
| 894 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 895 | <b>(gdb)</b> info all-registers rax rsp rbp<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 896 | </td> |
| 897 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 898 | <b>(lldb)</b> register read rax rsp rbp<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 899 | </td> |
| 900 | </tr> |
| 901 | |
| 902 | <tr><td class="header" colspan="2">Show the values for the register named "rax" in the current thread formatted as <b>binary</b>.</td></tr> |
| 903 | <tr> |
| 904 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 905 | <b>(gdb)</b> p/t $rax<br> |
| 906 | </td> |
| 907 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 908 | <b>(lldb)</b> register read --format binary rax<br> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 909 | <b>(lldb)</b> re r -f b rax<br> |
Greg Clayton | e90903a | 2012-02-16 02:10:58 +0000 | [diff] [blame] | 910 | <br> |
| 911 | <i>LLDB now supports the GDB shorthand format syntax but there can't be space after the command:</i><br> |
| 912 | <b>(lldb)</b> register read/t rax<br> |
| 913 | <b>(lldb)</b> p/t $rax<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 914 | </td> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 915 | </tr> |
| 916 | |
| 917 | <tr><td class="header" colspan="2">Read memory from address 0xbffff3c0 and show 4 hex uint32_t values.</td></tr> |
| 918 | <tr> |
| 919 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 920 | <b>(gdb)</b> x/4xw 0xbffff3c0<br> |
| 921 | </td> |
| 922 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 923 | <b>(lldb)</b> memory read --size 4 --format x --count 4 0xbffff3c0<br> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 924 | <b>(lldb)</b> me r -s4 -fx -c4 0xbffff3c0<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 925 | <b>(lldb)</b> x -s4 -fx -c4 0xbffff3c0<br> |
Greg Clayton | e90903a | 2012-02-16 02:10:58 +0000 | [diff] [blame] | 926 | <br> |
| 927 | <i>LLDB now supports the GDB shorthand format syntax but there can't be space after the command:</i><br> |
| 928 | <b>(lldb)</b> memory read/4xw 0xbffff3c0<br> |
| 929 | <b>(lldb)</b> x/4xw 0xbffff3c0<br> |
| 930 | <b>(lldb)</b> memory read --gdb-format 4xw 0xbffff3c0<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 931 | </td> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 932 | </tr> |
| 933 | |
Greg Clayton | e90903a | 2012-02-16 02:10:58 +0000 | [diff] [blame] | 934 | <tr><td class="header" colspan="2">Read memory starting at the expression "argv[0]".</td></tr> |
| 935 | <tr> |
| 936 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 937 | <b>(gdb)</b> x argv[0]<br> |
| 938 | </td> |
| 939 | <td class="content"> |
Greg Clayton | e90903a | 2012-02-16 02:10:58 +0000 | [diff] [blame] | 940 | <b>(lldb)</b> memory read `argv[0]`<br> |
| 941 | <i><b>NOTE:</b> any command can inline a scalar expression result (as long as the target is stopped) using backticks around any expression:</i><br> |
| 942 | <b>(lldb)</b> memory read --size `sizeof(int)` `argv[0]`<br> |
| 943 | </td> |
Greg Clayton | e90903a | 2012-02-16 02:10:58 +0000 | [diff] [blame] | 944 | </tr> |
| 945 | |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 946 | <tr><td class="header" colspan="2">Read 512 bytes of memory from address 0xbffff3c0 and save results to a local file as <b>text</b>.</td></tr> |
| 947 | <tr> |
| 948 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 949 | <b>(gdb)</b> set logging on<br> |
| 950 | <b>(gdb)</b> set logging file /tmp/mem.txt<br> |
| 951 | <b>(gdb)</b> x/512bx 0xbffff3c0<br> |
| 952 | <b>(gdb)</b> set logging off<br> |
| 953 | </td> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 954 | <td class="content"> |
| 955 | <b>(lldb)</b> memory read --outfile /tmp/mem.txt --count 512 0xbffff3c0<br> |
| 956 | <b>(lldb)</b> me r -o/tmp/mem.txt -c512 0xbffff3c0<br> |
| 957 | <b>(lldb)</b> x/512bx -o/tmp/mem.txt 0xbffff3c0<br> |
| 958 | </td> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 959 | </tr> |
| 960 | |
| 961 | <tr><td class="header" colspan="2">Save binary memory data starting at 0x1000 and ending at 0x2000 to a file.</td></tr> |
| 962 | <tr> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 963 | <td class="content"> |
| 964 | <b>(gdb)</b> dump memory /tmp/mem.bin 0x1000 0x2000 |
| 965 | </td> |
| 966 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 967 | <b>(lldb)</b> memory read --outfile /tmp/mem.bin --binary 0x1000 0x1200<br> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 968 | <b>(lldb)</b> me r -o /tmp/mem.bin -b 0x1000 0x1200<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 969 | </td> |
| 970 | </tr> |
Greg Clayton | 4976e0e | 2012-11-19 17:47:29 +0000 | [diff] [blame] | 971 | <tr><td class="header" colspan="2">Get information about a specific heap allocation (available on Mac OS X only).</td></tr> |
| 972 | <tr> |
| 973 | <td class="content"> |
| 974 | <b>(gdb)</b> info malloc 0x10010d680 |
| 975 | </td> |
| 976 | <td class="content"> |
Enrico Granata | 03e1677 | 2013-05-08 21:39:19 +0000 | [diff] [blame] | 977 | <b>(lldb)</b> command script import lldb.macosx.heap<br> |
Greg Clayton | 4976e0e | 2012-11-19 17:47:29 +0000 | [diff] [blame] | 978 | <b>(lldb)</b> process launch --environment MallocStackLogging=1 -- [ARGS]<br> |
| 979 | <b>(lldb)</b> malloc_info --stack-history 0x10010d680<br> |
| 980 | </td> |
| 981 | </tr> |
| 982 | <tr><td class="header" colspan="2">Get information about a specific heap allocation and cast the result to any dynamic type that can be deduced (available on Mac OS X only)</td></tr> |
| 983 | <tr> |
| 984 | <td class="content"> |
| 985 | </td> |
| 986 | <td class="content"> |
Enrico Granata | 03e1677 | 2013-05-08 21:39:19 +0000 | [diff] [blame] | 987 | <b>(lldb)</b> command script import lldb.macosx.heap<br> |
Greg Clayton | 4976e0e | 2012-11-19 17:47:29 +0000 | [diff] [blame] | 988 | <b>(lldb)</b> malloc_info --type 0x10010d680<br> |
| 989 | </td> |
| 990 | </tr> |
| 991 | <tr><td class="header" colspan="2">Find all heap blocks that contain a pointer specified by an expression EXPR (available on Mac OS X only).</td></tr> |
| 992 | <tr> |
| 993 | <td class="content"> |
| 994 | </td> |
| 995 | <td class="content"> |
Enrico Granata | 03e1677 | 2013-05-08 21:39:19 +0000 | [diff] [blame] | 996 | <b>(lldb)</b> command script import lldb.macosx.heap<br> |
Greg Clayton | 4976e0e | 2012-11-19 17:47:29 +0000 | [diff] [blame] | 997 | <b>(lldb)</b> ptr_refs EXPR <br> |
| 998 | </td> |
| 999 | </tr> |
| 1000 | <tr><td class="header" colspan="2">Find all heap blocks that contain a C string anywhere in the block (available on Mac OS X only).</td></tr> |
| 1001 | <tr> |
| 1002 | <td class="content"> |
| 1003 | </td> |
| 1004 | <td class="content"> |
Enrico Granata | 03e1677 | 2013-05-08 21:39:19 +0000 | [diff] [blame] | 1005 | <b>(lldb)</b> command script import lldb.macosx.heap<br> |
Greg Clayton | 4976e0e | 2012-11-19 17:47:29 +0000 | [diff] [blame] | 1006 | <b>(lldb)</b> cstr_refs CSTRING<br> |
| 1007 | </td> |
| 1008 | </tr> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1009 | <tr><td class="header" colspan="2">Disassemble the current function for the current frame.</td></tr> |
| 1010 | <tr> |
| 1011 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1012 | <b>(gdb)</b> disassemble |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1013 | </td> |
| 1014 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1015 | <b>(lldb)</b> disassemble --frame<br> |
| 1016 | <b>(lldb)</b> di -f |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1017 | </td> |
| 1018 | </tr> |
| 1019 | |
| 1020 | <tr><td class="header" colspan="2">Disassemble any functions named <b>main</b>.</td></tr> |
| 1021 | <tr> |
| 1022 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1023 | <b>(gdb)</b> disassemble main |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1024 | </td> |
| 1025 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1026 | <b>(lldb)</b> disassemble --name main<br> |
| 1027 | <b>(lldb)</b> di -n main |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1028 | </td> |
| 1029 | </tr> |
| 1030 | |
| 1031 | <tr><td class="header" colspan="2">Disassemble an address range.</td></tr> |
| 1032 | <tr> |
| 1033 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1034 | <b>(gdb)</b> disassemble 0x1eb8 0x1ec3 |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1035 | </td> |
| 1036 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1037 | <b>(lldb)</b> disassemble --start-address 0x1eb8 --end-address 0x1ec3<br> |
| 1038 | <b>(lldb)</b> di -s 0x1eb8 -e 0x1ec3<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1039 | </td> |
| 1040 | </tr> |
| 1041 | |
| 1042 | <tr><td class="header" colspan="2">Disassemble 20 instructions from a given address.</td></tr> |
| 1043 | <tr> |
| 1044 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1045 | <b>(gdb)</b> x/20i 0x1eb8 |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1046 | </td> |
| 1047 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1048 | <b>(lldb)</b> disassemble --start-address 0x1eb8 --count 20<br> |
| 1049 | <b>(lldb)</b> di -s 0x1eb8 -c 20<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1050 | </td> |
| 1051 | </tr> |
| 1052 | |
| 1053 | <tr><td class="header" colspan="2">Show mixed source and disassembly for the current function for the current frame.</td></tr> |
| 1054 | <tr> |
| 1055 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1056 | n/a |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1057 | </td> |
| 1058 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1059 | <b>(lldb)</b> disassemble --frame --mixed<br> |
| 1060 | <b>(lldb)</b> di -f -m |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1061 | </td> |
| 1062 | </tr> |
| 1063 | |
| 1064 | <tr><td class="header" colspan="2">Disassemble the current function for the current frame and show the opcode bytes.</td></tr> |
| 1065 | <tr> |
| 1066 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1067 | n/a |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1068 | </td> |
| 1069 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1070 | <b>(lldb)</b> disassemble --frame --bytes<br> |
| 1071 | <b>(lldb)</b> di -f -b |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1072 | </td> |
| 1073 | </tr> |
| 1074 | |
| 1075 | <tr><td class="header" colspan="2">Disassemble the current source line for the current frame.</td></tr> |
| 1076 | <tr> |
| 1077 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1078 | n/a |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1079 | </td> |
| 1080 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1081 | <b>(lldb)</b> disassemble --line<br> |
| 1082 | <b>(lldb)</b> di -l |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1083 | </td> |
| 1084 | </tr> |
| 1085 | |
| 1086 | </table> |
| 1087 | <p> |
| 1088 | </div> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 1089 | <div class="postfooter"></div> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1090 | |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 1091 | <h1 class ="postheader">Executable and Shared Library Query Commands</h1> |
| 1092 | <div class="post"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1093 | |
| 1094 | <p> |
| 1095 | |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 1096 | <table class="stats" width="620" cellspacing="0"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1097 | <tr> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1098 | <td class="hed" width="50%">GDB</td> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1099 | <td class="hed" width="50%">LLDB</td> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1100 | </tr> |
| 1101 | |
| 1102 | |
| 1103 | <tr><td class="header" colspan="2">List the main executable and all dependent shared libraries.</td></tr> |
| 1104 | <tr> |
| 1105 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1106 | <b>(gdb)</b> info shared<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1107 | </td> |
| 1108 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1109 | <b>(lldb)</b> image list<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1110 | </td> |
| 1111 | </tr> |
| 1112 | |
Jason Molenda | ee7a663 | 2012-10-19 19:52:12 +0000 | [diff] [blame] | 1113 | <tr><td class="header" colspan="2">Look up information for a raw address in the executable or any shared libraries.</td></tr> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1114 | <tr> |
| 1115 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1116 | <b>(gdb)</b> info symbol 0x1ec4<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1117 | </td> |
| 1118 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1119 | <b>(lldb)</b> image lookup --address 0x1ec4<br> |
| 1120 | <b>(lldb)</b> im loo -a 0x1ec4<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1121 | </td> |
| 1122 | </tr> |
| 1123 | |
Jason Molenda | ee7a663 | 2012-10-19 19:52:12 +0000 | [diff] [blame] | 1124 | <tr><td class="header" colspan="2">Look up functions matching a regular expression in a binary.</td></tr> |
Jim Ingham | 284a2a3 | 2012-09-12 00:38:19 +0000 | [diff] [blame] | 1125 | <tr> |
| 1126 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1127 | <b>(gdb)</b> info function <FUNC_REGEX><br> |
| 1128 | </td> |
| 1129 | <td class="content"> |
Jim Ingham | 284a2a3 | 2012-09-12 00:38:19 +0000 | [diff] [blame] | 1130 | This one finds debug symbols:<br> |
| 1131 | <b>(lldb)</b> image lookup -r -n <FUNC_REGEX><br><br> |
| 1132 | This one finds non-debug symbols:<br> |
| 1133 | <b>(lldb)</b> image lookup -r -s <FUNC_REGEX><br><br> |
| 1134 | Provide a list of binaries as arguments to limit the search. |
| 1135 | </td> |
Jim Ingham | 284a2a3 | 2012-09-12 00:38:19 +0000 | [diff] [blame] | 1136 | </tr> |
| 1137 | |
Jim Ingham | 28ba525 | 2013-04-18 22:03:01 +0000 | [diff] [blame] | 1138 | <tr><td class="header" colspan="2">Find full souce line information.</td></tr> |
| 1139 | <tr> |
| 1140 | <td class="content"> |
| 1141 | <b>(gdb)</b> info line 0x1ec4<br> |
| 1142 | </td> |
| 1143 | <td class="content"> |
| 1144 | This one is a bit messy at present. Do:<br><br> |
| 1145 | <b>(lldb)</b> image lookup -v --address 0x1ec4<br><br> |
| 1146 | and look for the LineEntry line, which will have the full source path and |
| 1147 | line range information.<br> |
| 1148 | </td> |
| 1149 | </tr> |
| 1150 | |
Sean Callanan | c6b4f9e | 2013-05-13 18:30:58 +0000 | [diff] [blame] | 1151 | <tr><td class="header" colspan="2">Look up information for an address in <b>a.out</b> only.</td></tr> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1152 | <tr> |
| 1153 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1154 | </td> |
| 1155 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1156 | <b>(lldb)</b> image lookup --address 0x1ec4 a.out<br> |
| 1157 | <b>(lldb)</b> im loo -a 0x1ec4 a.out<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1158 | </td> |
| 1159 | </tr> |
| 1160 | |
Jason Molenda | ee7a663 | 2012-10-19 19:52:12 +0000 | [diff] [blame] | 1161 | <tr><td class="header" colspan="2">Look up information for for a type <code>Point</code> by name.</td></tr> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1162 | <tr> |
| 1163 | <td class="content"> |
Jason Molenda | ee7a663 | 2012-10-19 19:52:12 +0000 | [diff] [blame] | 1164 | <b>(gdb)</b> ptype Point<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1165 | </td> |
| 1166 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1167 | <b>(lldb)</b> image lookup --type Point<br> |
| 1168 | <b>(lldb)</b> im loo -t Point<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1169 | </td> |
| 1170 | </tr> |
| 1171 | |
| 1172 | <tr><td class="header" colspan="2">Dump all sections from the main executable and any shared libraries.</td></tr> |
| 1173 | <tr> |
| 1174 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1175 | <b>(gdb)</b> maintenance info sections<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1176 | </td> |
| 1177 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1178 | <b>(lldb)</b> image dump sections<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1179 | </td> |
| 1180 | </tr> |
| 1181 | |
| 1182 | <tr><td class="header" colspan="2">Dump all sections in the <b>a.out</b> module.</td></tr> |
| 1183 | <tr> |
| 1184 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1185 | </td> |
| 1186 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1187 | <b>(lldb)</b> image dump sections a.out<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1188 | </td> |
| 1189 | </tr> |
| 1190 | |
| 1191 | <tr><td class="header" colspan="2">Dump all symbols from the main executable and any shared libraries.</td></tr> |
| 1192 | <tr> |
| 1193 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1194 | </td> |
| 1195 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1196 | <b>(lldb)</b> image dump symtab<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1197 | </td> |
| 1198 | </tr> |
| 1199 | |
| 1200 | <tr><td class="header" colspan="2">Dump all symbols in <b>a.out</b> and <b>liba.so</b>.</td></tr> |
| 1201 | <tr> |
| 1202 | <td class="content"> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1203 | </td> |
| 1204 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1205 | <b>(lldb)</b> image dump symtab a.out liba.so<br> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1206 | </td> |
| 1207 | </tr> |
| 1208 | |
| 1209 | </table> |
| 1210 | <p> |
| 1211 | </div> |
Jim Ingham | 8ec3513 | 2012-05-11 18:01:15 +0000 | [diff] [blame] | 1212 | <div class="postfooter"></div> |
| 1213 | <h1 class ="postheader">Miscellaneous</h1> |
| 1214 | <div class="post"> |
| 1215 | <p> |
| 1216 | <table class="stats" width="620" cellspacing="0"> |
| 1217 | <tr> |
Jim Ingham | 8ec3513 | 2012-05-11 18:01:15 +0000 | [diff] [blame] | 1218 | <td class="hed" width="50%">GDB</td> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1219 | <td class="hed" width="50%">LLDB</td> |
Jim Ingham | 8ec3513 | 2012-05-11 18:01:15 +0000 | [diff] [blame] | 1220 | </tr> |
| 1221 | |
| 1222 | <tr><td class="header" colspan="2">Echo text to the screen.</td></tr> |
| 1223 | <tr> |
| 1224 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1225 | <b>(gdb)</b> echo Here is some text\n<br> |
Jim Ingham | 8ec3513 | 2012-05-11 18:01:15 +0000 | [diff] [blame] | 1226 | </td> |
| 1227 | <td class="content"> |
Jason Molenda | 704506b | 2012-10-05 04:26:06 +0000 | [diff] [blame] | 1228 | <b>(lldb)</b> script print "Here is some text"<br> |
Jim Ingham | 8ec3513 | 2012-05-11 18:01:15 +0000 | [diff] [blame] | 1229 | </td> |
| 1230 | </tr> |
| 1231 | |
Jason Molenda | 0a07c0e | 2012-10-26 04:38:09 +0000 | [diff] [blame] | 1232 | <tr><td class="header" colspan="2">Remap source file pathnames for the debug session. If your source files are no longer located in the same location as when the program was built --- maybe the program was built on a different computer --- you need to tell the debugger how to find the sources at their local file path instead of the build system's file path.</td></tr> |
| 1233 | <tr> |
| 1234 | <td class="content"> |
| 1235 | <b>(gdb)</b> set pathname-substitutions /buildbot/path /my/path<br> |
| 1236 | </td> |
| 1237 | <td class="content"> |
| 1238 | <b>(lldb)</b> settings set target.source-map /buildbot/path /my/path<br> |
| 1239 | </td> |
| 1240 | </tr> |
| 1241 | |
| 1242 | <tr><td class="header" colspan="2">Supply a catchall directory to search for source files in.</td></tr> |
| 1243 | <tr> |
| 1244 | <td class="content"> |
| 1245 | <b>(gdb)</b> directory /my/path<br> |
| 1246 | </td> |
| 1247 | <td class="content"> |
Jim Ingham | cf9d2e9 | 2013-06-24 19:37:49 +0000 | [diff] [blame] | 1248 | (<i>No equivalent command - use the source-map instead.)<br> |
Jason Molenda | 0a07c0e | 2012-10-26 04:38:09 +0000 | [diff] [blame] | 1249 | </td> |
| 1250 | </tr> |
| 1251 | |
Jim Ingham | 8ec3513 | 2012-05-11 18:01:15 +0000 | [diff] [blame] | 1252 | </table> |
| 1253 | <p> |
| 1254 | </div> |
| 1255 | |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 1256 | <div class="postfooter"></div> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1257 | |
| 1258 | <p> |
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Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 1260 | |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1261 | </div> |
Jason Molenda | a2f701f | 2011-10-25 01:28:31 +0000 | [diff] [blame] | 1262 | </div> |
| 1263 | </div> |
Jason Molenda | c09b8b9 | 2011-10-22 02:31:42 +0000 | [diff] [blame] | 1264 | </div> |
| 1265 | </body> |
| 1266 | </html> |