[Lldb-commits] [lldb] r142715 - /lldb/trunk/www/lldb-gdb.html
Jason Molenda
jmolenda at apple.com
Fri Oct 21 19:31:42 PDT 2011
Author: jmolenda
Date: Fri Oct 21 21:31:42 2011
New Revision: 142715
URL: http://llvm.org/viewvc/llvm-project?rev=142715&view=rev
Log:
Document nexti, show some shorter versions of long lldb
commands.
Modified:
lldb/trunk/www/lldb-gdb.html
Modified: lldb/trunk/www/lldb-gdb.html
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/www/lldb-gdb.html?rev=142715&r1=142714&r2=142715&view=diff
==============================================================================
--- lldb/trunk/www/lldb-gdb.html (original)
+++ lldb/trunk/www/lldb-gdb.html Fri Oct 21 21:31:42 2011
@@ -1,664 +1,667 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml">
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
-<link href="style.css" rel="stylesheet" type="text/css" />
-<title>LLDB Goals</title>
-</head>
-
-<body>
- <div class="www_title">
- The <strong>LLDB</strong> Debugger
- </div>
-
-<div id="container">
- <div id="content">
- <!--#include virtual="sidebar.incl"-->
- <div id="middle">
- <div class="post">
- <h1 class ="postheader">LLDB to GDB Command Map</h1>
- <div class="post">
-
- <p>Below is a table of LLDB commands with the GDB counterparts.
- The built in GDB compatability aliases in GDB are also
- listed.</p>
- </div>
- <div class="postfooter"></div>
-
- <h1 class ="postheader">Execution Commands</h1>
- <div class="post">
-
- <p>
-
- <table class="stats" width="620" cellspacing="0">
- <tr>
- <td class="hed" width="50%">LLDB</td>
- <td class="hed" width="50%">GDB</td>
- </tr>
-
- <tr><td class="header" colspan="2">Launch a process no arguments.</td></tr>
- <td class="content">
- <b>(lldb)</b> process launch<br>
- <b>(lldb)</b> run<br>
- <b>(lldb)</b> r
- </td>
- <td class="content">
- <b>(gdb)</b> run<br>
- <b>(gdb)</b> r
- </td>
- </tr>
-
-
- <tr><td class="header" colspan="2">Launch a process with arguments <code><args></code>.</td></tr>
- <td class="content">
- <b>(lldb)</b> process launch -- <args><br>
- <b>(lldb)</b> run -- <args><br>
- <b>(lldb)</b> r <args>
- </td>
- <td class="content">
- <b>(gdb)</b> run <args><br>
- <b>(gdb)</b> r <args>
- </td>
- </tr>
-
- <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>
- <td class="content">
- <b>%</b> lldb -- a.out 1 2 3<br>
- <b>(lldb)</b> run<br>
- ...<br>
- <b>(lldb)</b> run<br>
- ...<br>
- </td>
- <td class="content">
- <b>%</b> gdb --args a.out 1 2 3<br>
- <b>(gdb)</b> run<br>
- ...<br>
- <b>(gdb)</b> run<br>
- ...<br>
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Launch a process with arguments in new terminal window (Mac OS X only).</td></tr>
- <td class="content">
- <b>(lldb)</b> process launch --tty -- <args><br>
- <b>(lldb)</b> process launch -t -- <args><br>
- </td>
- <td class="content">
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Launch a process with arguments in existing terminal <cope>/dev/ttys006</code> (Mac OS X only).</td></tr>
- <td class="content">
- <b>(lldb)</b> process launch --tty=/dev/ttys006 -- <args><br>
- <b>(lldb)</b> process launch -t/dev/ttys006 -- <args><br>
- </td>
- <td class="content">
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Attach to a process with process ID 123.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> process attach --pid 123<br>
- <b>(lldb)</b> attach -p 123
- </td>
- <td class="content">
- <b>(gdb)</b> attach 123
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Attach to a process named "a.out".</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> process attach --name a.out<br>
- <b>(lldb)</b> process attach -n a.out
- </td>
- <td class="content">
- <b>(gdb)</b> attach a.out
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Wait for a process named "a.out" to launch and attach.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> process attach --name a.out --waitfor<br>
- <b>(lldb)</b> process attach -n a.out -w
- </td>
- <td class="content">
- <b>(gdb)</b> attach -waitfor a.out
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Do a source level single step in the currently selected thread.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> thread step-in<br>
- <b>(lldb)</b> step<br>
- <b>(lldb)</b> s
- </td>
- <td class="content">
- <b>(gdb)</b> step<br>
- <b>(gdb)</b> s
- </td>
- </tr>
-
-
- <tr><td class="header" colspan="2">Do a source level single step over in the currently selected thread.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> thread step-over<br>
- <b>(lldb)</b> next<br>
- <b>(lldb)</b> n<br>
- </td>
- <td class="content">
- <b>(gdb)</b> next<br>
- <b>(gdb)</b> n
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Do an instruction level single step in the currently selected thread.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> thread step-inst<br>
- <b>(lldb)</b> si<br>
- </td>
- <td class="content">
- <b>(gdb)</b> stepi<br>
- <b>(gdb)</b> si
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Do an instruction level single step over in the currently selected thread.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> thread step-inst-over<br>
- </td>
- <td class="content">
- <b>(gdb)</b> nexti<br>
- <b>(gdb)</b> ni
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Step out of the currently selected frame.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> thread step-out<br>
- <b>(lldb)</b> finish<br>
- </td>
- <td class="content">
- <b>(gdb)</b> finish<br>
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Display a the variable "argc" and "argv" everytime you stop.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> target stop-hook add --one-liner "frame variable argc argv"<br>
- </td>
- <td class="content">
- <b>(gdb)</b> display argc<br>
- <b>(gdb)</b> display argv<br>
- </td>
- </tr>
-
- <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>
- <tr>
- <td class="content" colspan="2">
- <b>(lldb)</b> target stop-hook add --name main --one-liner "frame variable argc argv"<br>
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Display the variable "*this" only when you stop in c class named <b>MyClass</b>.</td></tr>
- <tr>
- <td class="content" colspan="2">
- <b>(lldb)</b> target stop-hook add --classname MyClass --one-liner "frame variable *this"<br>
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Backtrace and disassemble every time you stop.</td></tr>
- <tr>
- <td class="content" colspan="2">
- <b>(lldb)</b> target stop-hook add"<br>
- Enter your stop hook command(s). Type 'DONE' to end.<br>
- > bt<br>
- > disassemble --pc<br>
- > DONE<br>
- Stop hook #1 added.<br>
- </td>
- </tr>
-
- </table>
- <p>
- </div>
- <div class="postfooter"></div>
-
- <h1 class ="postheader">Breakpoint Commands</h1>
- <div class="post">
-
- <p>
-
- <table class="stats" width="620" cellspacing="0">
- <tr>
- <td class="hed" width="50%">LLDB</td>
- <td class="hed" width="50%">GDB</td>
- </tr>
-
- <tr><td class="header" colspan="2">Set a breakpoint at all functions named <b>main</b>.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> breakpoint set --name main<br>
- <b>(lldb)</b> breakpoint set -n main<br>
- <b>(lldb)</b> b main
- </td>
- <td class="content">
- <b>(lldb)</b> break main
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Set a breakpoint in file <b>test.c</b> at line <b>12</b>.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> breakpoint set --file test.c --line 12<br>
- <b>(lldb)</b> breakpoint set -f test.c -l 12<br>
- <b>(lldb)</b> b test.c:12
- </td>
- <td class="content">
- <b>(lldb)</b> break test.c:12
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Set a breakpoint at all C++ methods whose basename is <b>main</b>.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> breakpoint set --method main<br>
- <b>(lldb)</b> breakpoint set -M main<br>
- </td>
- <td class="content">
- <b>(lldb)</b> break main<br>
- <i>(Hope that there are no C funtions named <b>main</b>)</i>.
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Set a breakpoint at all Objective C methods whose selector is <b>count</b>.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> breakpoint set --selector count<br>
- <b>(lldb)</b> breakpoint set -S count<br>
- </td>
- <td class="content">
- <b>(lldb)</b> break count<br>
- <i>(Hope that there are no C or C++ funtions named <b>count</b>)</i>.
- </td>
- </tr>
-
- </table>
- <p>
- </div>
- <div class="postfooter"></div>
-
- <h1 class ="postheader">Examining Thread State</h1>
- <div class="post">
- <p>
- <table class="stats" width="620" cellspacing="0">
- <tr>
- <td class="hed" width="50%">LLDB</td>
- <td class="hed" width="50%">GDB</td>
- </tr>
-
-
- <tr><td class="header" colspan="2">Show the arguments and local variables for the current frame.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> frame variable<br>
- </td>
- <td class="content">
- <b>(gdb)</b> info args<br>
- and<br>
- <b>(gdb)</b> info locals<br>
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Show the stack backtrace for the current thread.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> thread backtrace<br>
- <b>(lldb)</b> bt<br>
- </td>
- <td class="content">
- <b>(gdb)</b> bt<br>
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Show the stack backtraces for all threads.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> thread backtrace all<br>
- <b>(lldb)</b> bt all
- </td>
- <td class="content">
- <b>(gdb)</b> thread apply all bt
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Select a different stack frame by index for the current thread.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> frame select 12<br>
- </td>
- <td class="content">
- <b>(gdb)</b> frame 12
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Select the stack frame that called the current stack frame.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> up<br>
- <b>(lldb)</b> frame select --relative=1<br>
- </td>
- <td class="content">
- <b>(gdb)</b> up
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Select the stack frame that is called by the current stack frame.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> down<br>
- <b>(lldb)</b> frame select --relative=-1<br>
- <b>(lldb)</b> frame select -r-1<br>
- </td>
- <td class="content">
- <b>(gdb)</b> down
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Select a different stack frame using a relative offset.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> frame select --relative 2<br>
- <b>(lldb)</b> frame select -r2<br>
- <br>
- <b>(lldb)</b> frame select --relative -3<br>
- <b>(lldb)</b> frame select -r-3<br>
- </td>
- <td class="content">
- <b>(gdb)</b> up 2<br>
- <b>(gdb)</b> down 3<br>
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Show the general purpose registers for the current thread.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> register read<br>
- </td>
- <td class="content">
- <b>(gdb)</b> info registers<br>
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Show the general purpose registers for the current thread formatted as <b>unsigned decimal</b>. LLDB tries to use
- the same format characters as <b>printf</b> when possible.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> register read --format i<br>
- <b>(lldb)</b> register read -f i<br>
- </td>
- <td class="content">
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Show all registers in all register sets for the current thread.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> register read --all<br>
- <b>(lldb)</b> register read -a<br>
- </td>
- <td class="content">
- <b>(gdb)</b> info all-registers<br>
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Show the values for the registers named "rax", "rsp" and "rbp" in the current thread.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> register read rax rsp rbp<br>
- </td>
- <td class="content">
- <b>(gdb)</b> info all-registers rax rsp rbp<br>
- </td>
- </tr>
-
- <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>
- <tr>
- <td class="content">
- <b>(lldb)</b> register read --format binary rax<br>
- <b>(lldb)</b> register read -f b rax<br>
- </td>
- <td class="content">
- <b>(gdb)</b> p/t $rax<br>
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Read memory from address 0xbffff3c0 and show 4 hex uint32_t values.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> memory read --size 4 --format x --count 4 0xbffff3c0<br>
- <b>(lldb)</b> memory read -s4 -fx -c4 0xbffff3c0<br>
- <b>(lldb)</b> x -s4 -fx -c4 0xbffff3c0<br>
- </td>
- <td class="content">
- <b>(gdb)</b> x/4xw 0xbffff3c0<br>
- </td>
- </tr>
-
- <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>
- <tr>
- <td class="content">
- <b>(lldb)</b> memory read --outfile /tmp/mem.txt --count 512 0xbffff3c0<br>
- <b>(lldb)</b> memory read -o/tmp/mem.txt -c512 0xbffff3c0<br>
- </td>
- <td class="content">
- <b>(gdb)</b> set logging on<br>
- <b>(gdb)</b> set logging file /tmp/mem.txt<br>
- <b>(gdb)</b> x/512bx 0xbffff3c0<br>
- <b>(gdb)</b> set logging off<br>
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Save binary memory data starting at 0x1000 and ending at 0x2000 to a file.</td></tr>
- <tr>
- <td class="content"colspan=2>
- <b>(lldb)</b> memory read --outfile /tmp/mem.bin --binary 0x1000 0x1200<br>
- <b>(lldb)</b> memory read -o /tmp/mem.bin -b 0x1000 0x1200<br>
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Disassemble the current function for the current frame.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> disassemble --frame<br>
- <b>(lldb)</b> disassemble -f
- </td>
- <td class="content">
- <b>(gdb)</b> disassemble
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Disassemble any functions named <b>main</b>.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> disassemble --name main<br>
- <b>(lldb)</b> disassemble -n main
- </td>
- <td class="content">
- <b>(gdb)</b> disassemble main
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Disassemble an address range.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> disassemble --start-address 0x1eb8 --end-address 0x1ec3<br>
- <b>(lldb)</b> disassemble -s 0x1eb8 -e 0x1ec3<br>
- </td>
- <td class="content">
- <b>(gdb)</b> disassemble 0x1eb8 0x1ec3
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Disassemble 20 instructions from a given address.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> disassemble --start-address 0x1eb8 --count 20<br>
- <b>(lldb)</b> disassemble -s 0x1eb8 -c 20<br>
- </td>
- <td class="content">
- <b>(gdb)</b> x/20i 0x1eb8
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Show mixed source and disassembly for the current function for the current frame.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> disassemble --frame --mixed<br>
- <b>(lldb)</b> disassemble -f -m
- </td>
- <td class="content">
- n/a
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Disassemble the current function for the current frame and show the opcode bytes.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> disassemble --frame --bytes<br>
- <b>(lldb)</b> disassemble -f -b
- </td>
- <td class="content">
- n/a
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Disassemble the current source line for the current frame.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> disassemble --line<br>
- <b>(lldb)</b> disassemble -l
- </td>
- <td class="content">
- n/a
- </td>
- </tr>
-
- </table>
- <p>
- </div>
- <div class="postfooter"></div>
-
- <h1 class ="postheader">Executable and Shared Library Query Commands</h1>
- <div class="post">
-
- <p>
-
- <table class="stats" width="620" cellspacing="0">
- <tr>
- <td class="hed" width="50%">LLDB</td>
- <td class="hed" width="50%">GDB</td>
- </tr>
-
-
- <tr><td class="header" colspan="2">List the main executable and all dependent shared libraries.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> image list<br>
- </td>
- <td class="content">
- <b>(gdb)</b> info shared<br>
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Lookup information for a raw address in the executable or any shared libraries.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> image lookup --address 0x1ec4<br>
- <b>(lldb)</b> image lookup -a 0x1ec4<br>
- </td>
- <td class="content">
- <b>(gdb)</b> info symbol 0x1ec4<br>
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Lookup information for an address in <b>a.out</a> only.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> image lookup --address 0x1ec4 a.out<br>
- <b>(lldb)</b> image lookup -a 0x1ec4 a.out<br>
- </td>
- <td class="content">
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Lookup information for for a type <code>Point</code> by name.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> image lookup --type Point<br>
- <b>(lldb)</b> image lookup -t Point<br>
- </td>
- <td class="content">
- <b>(lldb)</b> ptype Point<br>
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Dump all sections from the main executable and any shared libraries.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> image dump sections<br>
- </td>
- <td class="content">
- <b>(gdb)</b> maintenance info sections<br>
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Dump all sections in the <b>a.out</b> module.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> image dump sections a.out<br>
- </td>
- <td class="content">
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Dump all symbols from the main executable and any shared libraries.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> image dump symtab<br>
- </td>
- <td class="content">
- </td>
- </tr>
-
- <tr><td class="header" colspan="2">Dump all symbols in <b>a.out</b> and <b>liba.so</b>.</td></tr>
- <tr>
- <td class="content">
- <b>(lldb)</b> image dump symtab a.out liba.so<br>
- </td>
- <td class="content">
- </td>
- </tr>
-
- </table>
- <p>
- </div>
- <div class="postfooter"></div>
-
- <p>
-
-
- </div>
- </div>
- </div>
-</div>
-</body>
-</html>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
+<link href="style.css" rel="stylesheet" type="text/css" />
+<title>LLDB Goals</title>
+</head>
+
+<body>
+ <div class="www_title">
+ The <strong>LLDB</strong> Debugger
+ </div>
+
+<div id="container">
+ <div id="content">
+ <!--#include virtual="sidebar.incl"-->
+ <div id="middle">
+ <div class="post">
+ <h1 class ="postheader">LLDB to GDB Command Map</h1>
+ <div class="post">
+
+ <p>Below is a table of LLDB commands with the GDB counterparts.
+ The built in GDB compatability aliases in GDB are also
+ listed.</p>
+ </div>
+ <div class="postfooter"></div>
+
+ <h1 class ="postheader">Execution Commands</h1>
+ <div class="post">
+
+ <p>
+
+ <table class="stats" width="620" cellspacing="0">
+ <tr>
+ <td class="hed" width="50%">LLDB</td>
+ <td class="hed" width="50%">GDB</td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Launch a process no arguments.</td></tr>
+ <td class="content">
+ <b>(lldb)</b> process launch<br>
+ <b>(lldb)</b> run<br>
+ <b>(lldb)</b> r
+ </td>
+ <td class="content">
+ <b>(gdb)</b> run<br>
+ <b>(gdb)</b> r
+ </td>
+ </tr>
+
+
+ <tr><td class="header" colspan="2">Launch a process with arguments <code><args></code>.</td></tr>
+ <td class="content">
+ <b>(lldb)</b> process launch -- <args><br>
+ <b>(lldb)</b> run -- <args><br>
+ <b>(lldb)</b> r <args>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> run <args><br>
+ <b>(gdb)</b> r <args>
+ </td>
+ </tr>
+
+ <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>
+ <td class="content">
+ <b>%</b> lldb -- a.out 1 2 3<br>
+ <b>(lldb)</b> run<br>
+ ...<br>
+ <b>(lldb)</b> run<br>
+ ...<br>
+ </td>
+ <td class="content">
+ <b>%</b> gdb --args a.out 1 2 3<br>
+ <b>(gdb)</b> run<br>
+ ...<br>
+ <b>(gdb)</b> run<br>
+ ...<br>
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Launch a process with arguments in new terminal window (Mac OS X only).</td></tr>
+ <td class="content">
+ <b>(lldb)</b> process launch --tty -- <args><br>
+ <b>(lldb)</b> process launch -t -- <args><br>
+ </td>
+ <td class="content">
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Launch a process with arguments in existing terminal <cope>/dev/ttys006</code> (Mac OS X only).</td></tr>
+ <td class="content">
+ <b>(lldb)</b> process launch --tty=/dev/ttys006 -- <args><br>
+ <b>(lldb)</b> process launch -t/dev/ttys006 -- <args><br>
+ </td>
+ <td class="content">
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Attach to a process with process ID 123.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> process attach --pid 123<br>
+ <b>(lldb)</b> attach -p 123
+ </td>
+ <td class="content">
+ <b>(gdb)</b> attach 123
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Attach to a process named "a.out".</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> process attach --name a.out<br>
+ <b>(lldb)</b> process attach -n a.out
+ </td>
+ <td class="content">
+ <b>(gdb)</b> attach a.out
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Wait for a process named "a.out" to launch and attach.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> process attach --name a.out --waitfor<br>
+ <b>(lldb)</b> process attach -n a.out -w
+ </td>
+ <td class="content">
+ <b>(gdb)</b> attach -waitfor a.out
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Do a source level single step in the currently selected thread.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> thread step-in<br>
+ <b>(lldb)</b> step<br>
+ <b>(lldb)</b> s
+ </td>
+ <td class="content">
+ <b>(gdb)</b> step<br>
+ <b>(gdb)</b> s
+ </td>
+ </tr>
+
+
+ <tr><td class="header" colspan="2">Do a source level single step over in the currently selected thread.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> thread step-over<br>
+ <b>(lldb)</b> next<br>
+ <b>(lldb)</b> n<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> next<br>
+ <b>(gdb)</b> n
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Do an instruction level single step in the currently selected thread.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> thread step-inst<br>
+ <b>(lldb)</b> si<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> stepi<br>
+ <b>(gdb)</b> si
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Do an instruction level single step over in the currently selected thread.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> thread step-inst-over<br>
+ <b>(lldb)</b> ni
+ </td>
+ <td class="content">
+ <b>(gdb)</b> nexti<br>
+ <b>(gdb)</b> ni
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Step out of the currently selected frame.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> thread step-out<br>
+ <b>(lldb)</b> finish<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> finish<br>
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Display a the variable "argc" and "argv" everytime you stop.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> target stop-hook add --one-liner "frame variable argc argv"<br>
+ <b>(lldb)</b> ta st a -o "fr v argc argv"<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> display argc<br>
+ <b>(gdb)</b> display argv<br>
+ </td>
+ </tr>
+
+ <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>
+ <tr>
+ <td class="content" colspan="2">
+ <b>(lldb)</b> target stop-hook add --name main --one-liner "frame variable argc argv"<br>
+ <b>(lldb)</b> ta st a -n main -o "fr v argc argv"<br>
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Display the variable "*this" only when you stop in c class named <b>MyClass</b>.</td></tr>
+ <tr>
+ <td class="content" colspan="2">
+ <b>(lldb)</b> target stop-hook add --classname MyClass --one-liner "frame variable *this"<br>
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Backtrace and disassemble every time you stop.</td></tr>
+ <tr>
+ <td class="content" colspan="2">
+ <b>(lldb)</b> target stop-hook add<br>
+ Enter your stop hook command(s). Type 'DONE' to end.<br>
+ > bt<br>
+ > disassemble --pc<br>
+ > DONE<br>
+ Stop hook #1 added.<br>
+ </td>
+ </tr>
+
+ </table>
+ <p>
+ </div>
+ <div class="postfooter"></div>
+
+ <h1 class ="postheader">Breakpoint Commands</h1>
+ <div class="post">
+
+ <p>
+
+ <table class="stats" width="620" cellspacing="0">
+ <tr>
+ <td class="hed" width="50%">LLDB</td>
+ <td class="hed" width="50%">GDB</td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Set a breakpoint at all functions named <b>main</b>.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> breakpoint set --name main<br>
+ <b>(lldb)</b> br s -n main<br>
+ <b>(lldb)</b> b main
+ </td>
+ <td class="content">
+ <b>(lldb)</b> break main
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Set a breakpoint in file <b>test.c</b> at line <b>12</b>.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> breakpoint set --file test.c --line 12<br>
+ <b>(lldb)</b> breakpoint set -f test.c -l 12<br>
+ <b>(lldb)</b> b test.c:12
+ </td>
+ <td class="content">
+ <b>(lldb)</b> break test.c:12
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Set a breakpoint at all C++ methods whose basename is <b>main</b>.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> breakpoint set --method main<br>
+ <b>(lldb)</b> breakpoint set -M main<br>
+ </td>
+ <td class="content">
+ <b>(lldb)</b> break main<br>
+ <i>(Hope that there are no C funtions named <b>main</b>)</i>.
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Set a breakpoint at all Objective C methods whose selector is <b>count</b>.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> breakpoint set --selector count<br>
+ <b>(lldb)</b> breakpoint set -S count<br>
+ </td>
+ <td class="content">
+ <b>(lldb)</b> break count<br>
+ <i>(Hope that there are no C or C++ funtions named <b>count</b>)</i>.
+ </td>
+ </tr>
+
+ </table>
+ <p>
+ </div>
+ <div class="postfooter"></div>
+
+ <h1 class ="postheader">Examining Thread State</h1>
+ <div class="post">
+ <p>
+ <table class="stats" width="620" cellspacing="0">
+ <tr>
+ <td class="hed" width="50%">LLDB</td>
+ <td class="hed" width="50%">GDB</td>
+ </tr>
+
+
+ <tr><td class="header" colspan="2">Show the arguments and local variables for the current frame.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> frame variable<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> info args<br>
+ and<br>
+ <b>(gdb)</b> info locals<br>
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Show the stack backtrace for the current thread.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> thread backtrace<br>
+ <b>(lldb)</b> bt<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> bt<br>
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Show the stack backtraces for all threads.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> thread backtrace all<br>
+ <b>(lldb)</b> bt all
+ </td>
+ <td class="content">
+ <b>(gdb)</b> thread apply all bt
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Select a different stack frame by index for the current thread.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> frame select 12<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> frame 12
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Select the stack frame that called the current stack frame.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> up<br>
+ <b>(lldb)</b> frame select --relative=1<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> up
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Select the stack frame that is called by the current stack frame.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> down<br>
+ <b>(lldb)</b> frame select --relative=-1<br>
+ <b>(lldb)</b> frame select -r-1<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> down
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Select a different stack frame using a relative offset.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> frame select --relative 2<br>
+ <b>(lldb)</b> frame select -r2<br>
+ <br>
+ <b>(lldb)</b> frame select --relative -3<br>
+ <b>(lldb)</b> frame select -r-3<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> up 2<br>
+ <b>(gdb)</b> down 3<br>
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Show the general purpose registers for the current thread.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> register read<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> info registers<br>
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Show the general purpose registers for the current thread formatted as <b>unsigned decimal</b>. LLDB tries to use
+ the same format characters as <b>printf</b> when possible.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> register read --format i<br>
+ <b>(lldb)</b> register read -f i<br>
+ </td>
+ <td class="content">
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Show all registers in all register sets for the current thread.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> register read --all<br>
+ <b>(lldb)</b> register read -a<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> info all-registers<br>
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Show the values for the registers named "rax", "rsp" and "rbp" in the current thread.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> register read rax rsp rbp<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> info all-registers rax rsp rbp<br>
+ </td>
+ </tr>
+
+ <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>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> register read --format binary rax<br>
+ <b>(lldb)</b> register read -f b rax<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> p/t $rax<br>
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Read memory from address 0xbffff3c0 and show 4 hex uint32_t values.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> memory read --size 4 --format x --count 4 0xbffff3c0<br>
+ <b>(lldb)</b> memory read -s4 -fx -c4 0xbffff3c0<br>
+ <b>(lldb)</b> x -s4 -fx -c4 0xbffff3c0<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> x/4xw 0xbffff3c0<br>
+ </td>
+ </tr>
+
+ <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>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> memory read --outfile /tmp/mem.txt --count 512 0xbffff3c0<br>
+ <b>(lldb)</b> memory read -o/tmp/mem.txt -c512 0xbffff3c0<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> set logging on<br>
+ <b>(gdb)</b> set logging file /tmp/mem.txt<br>
+ <b>(gdb)</b> x/512bx 0xbffff3c0<br>
+ <b>(gdb)</b> set logging off<br>
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Save binary memory data starting at 0x1000 and ending at 0x2000 to a file.</td></tr>
+ <tr>
+ <td class="content"colspan=2>
+ <b>(lldb)</b> memory read --outfile /tmp/mem.bin --binary 0x1000 0x1200<br>
+ <b>(lldb)</b> memory read -o /tmp/mem.bin -b 0x1000 0x1200<br>
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Disassemble the current function for the current frame.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> disassemble --frame<br>
+ <b>(lldb)</b> disassemble -f
+ </td>
+ <td class="content">
+ <b>(gdb)</b> disassemble
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Disassemble any functions named <b>main</b>.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> disassemble --name main<br>
+ <b>(lldb)</b> disassemble -n main
+ </td>
+ <td class="content">
+ <b>(gdb)</b> disassemble main
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Disassemble an address range.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> disassemble --start-address 0x1eb8 --end-address 0x1ec3<br>
+ <b>(lldb)</b> disassemble -s 0x1eb8 -e 0x1ec3<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> disassemble 0x1eb8 0x1ec3
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Disassemble 20 instructions from a given address.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> disassemble --start-address 0x1eb8 --count 20<br>
+ <b>(lldb)</b> disassemble -s 0x1eb8 -c 20<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> x/20i 0x1eb8
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Show mixed source and disassembly for the current function for the current frame.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> disassemble --frame --mixed<br>
+ <b>(lldb)</b> disassemble -f -m
+ </td>
+ <td class="content">
+ n/a
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Disassemble the current function for the current frame and show the opcode bytes.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> disassemble --frame --bytes<br>
+ <b>(lldb)</b> disassemble -f -b
+ </td>
+ <td class="content">
+ n/a
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Disassemble the current source line for the current frame.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> disassemble --line<br>
+ <b>(lldb)</b> disassemble -l
+ </td>
+ <td class="content">
+ n/a
+ </td>
+ </tr>
+
+ </table>
+ <p>
+ </div>
+ <div class="postfooter"></div>
+
+ <h1 class ="postheader">Executable and Shared Library Query Commands</h1>
+ <div class="post">
+
+ <p>
+
+ <table class="stats" width="620" cellspacing="0">
+ <tr>
+ <td class="hed" width="50%">LLDB</td>
+ <td class="hed" width="50%">GDB</td>
+ </tr>
+
+
+ <tr><td class="header" colspan="2">List the main executable and all dependent shared libraries.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> image list<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> info shared<br>
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Lookup information for a raw address in the executable or any shared libraries.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> image lookup --address 0x1ec4<br>
+ <b>(lldb)</b> image lookup -a 0x1ec4<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> info symbol 0x1ec4<br>
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Lookup information for an address in <b>a.out</a> only.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> image lookup --address 0x1ec4 a.out<br>
+ <b>(lldb)</b> image lookup -a 0x1ec4 a.out<br>
+ </td>
+ <td class="content">
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Lookup information for for a type <code>Point</code> by name.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> image lookup --type Point<br>
+ <b>(lldb)</b> image lookup -t Point<br>
+ </td>
+ <td class="content">
+ <b>(lldb)</b> ptype Point<br>
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Dump all sections from the main executable and any shared libraries.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> image dump sections<br>
+ </td>
+ <td class="content">
+ <b>(gdb)</b> maintenance info sections<br>
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Dump all sections in the <b>a.out</b> module.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> image dump sections a.out<br>
+ </td>
+ <td class="content">
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Dump all symbols from the main executable and any shared libraries.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> image dump symtab<br>
+ </td>
+ <td class="content">
+ </td>
+ </tr>
+
+ <tr><td class="header" colspan="2">Dump all symbols in <b>a.out</b> and <b>liba.so</b>.</td></tr>
+ <tr>
+ <td class="content">
+ <b>(lldb)</b> image dump symtab a.out liba.so<br>
+ </td>
+ <td class="content">
+ </td>
+ </tr>
+
+ </table>
+ <p>
+ </div>
+ <div class="postfooter"></div>
+
+ <p>
+
+
+ </div>
+ </div>
+ </div>
+</div>
+</body>
+</html>
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