Essential LLDB Commands
Table of Contents
Below I list a set of essential lldb commands I regularly use. A more complete cheat sheet can be found here (direct link).
Compilation #
Compile in Debug mode with the following additional flags:
-g -ggdb
Usage #
Running
$ lldb Executable
(lldb) target create "Executable"
Current executable set to 'Executable' (x86_64).
(lldb) run [args]
Navigating a stack
- Breakpoints
b main
breakpoint set --name main
- Backtraces
bt
thread backtrace
thread backtrace all
- Frame information
frame info
- Navigate down
down
frame s -r-1
frame select --relative=-1
- Navigate up
up
frame s -r1
frame select --relative=1
- Select a frame
f 3
fr s 3
frame select 3
- Frame information
- Continue
c
thread continue
- Step in
s
step
thread step-in
- Step over
n
next
thread step-over
- Step out
finish
thread step-out
Evaluating variables
- Local variables
frame variable
fr v
- Print the contents of a variable
p var
fr v var
frame variable var