pwndbg/docs/tutorials/gdb-lldb-commands.md

GDB vs LLDB

For users who are migrating from one debugger to another, here is a table comparison of some of the most common actions and how to do them in GDB and LLDB. Note that both debuggers offer shorthands for typing these commands.

Functionality	GDB Command	LLDB Command
Start Debugging Program	gdb ./your-program	lldb ./your-program
Set a Breakpoint	break <function-name>	breakpoint set --name <function-name>
Set Breakpoint on Address	break *<address>	breakpoint set --address <address>
Set Breakpoint at Line	break <filename>:<line-number>	breakpoint set --file <filename> --line <line-number>
Set Hardware Breakpoint	hbreak <function-name>	breakpoint set --hardware --name <function-name>
Set Hardware Breakpoint at Memory	hbreak *<memory-address>	breakpoint set --hardware --address <memory-address>
List All Breakpoints	info breakpoints	breakpoint list
Delete Breakpoints	delete <breakpoint-number>	breakpoint delete <breakpoint-number>
Set Watchpoint	watch <variable>	watchpoint set variable <variable>
Set Conditional Breakpoint	break <function-name> if <condition>	breakpoint set --condition "<condition>"
Continue Execution	continue	process continue
Next Instruction	next	thread step-over
Step into a Function	step	thread step-in
Step out of a Function	finish	thread step-out
Print Threads	info threads	thread list
Select Thread	thread <thread-id>	thread select <thread-id>
Print Register Values	info registers	register read -a
Print a Variable	print <variable>	print <variable>
Display Variable on Every Stop	display <variable>	expression --watch <variable>
Examine Memory (Hex)	x/<num>x <memory-address>	memory read --format x --count <num> <memory-address>
Examine Memory (Integer)	x/<num>d <memory-address>	memory read --format d --count <num> <memory-address>
Inspect Stack Trace	backtrace	thread backtrace
Change Register Value	set $<register-name> = <value>	register write <register-name> <value>
Check Program Status	info locals	frame variable
Check Program Info	info functions	image lookup --functions
Show Disassembly of Function	disas <function-name>	disassemble <function-name>
Memory Dump (Hex)	x/<num>xh <memory-address>	memory read --format x --count <num> <memory-address>
Memory Dump (Bytes)	x/<num>bx <memory-address>	memory read --format b --count <num> <memory-address>
Show Process Information	info process	process status
Quit Debugging	quit	quit
Run Program with Arguments	run <arg1> <arg2> ...	process launch -- <arg1> <arg2> ...
Show Current Function	info frame	frame info
Set Sysroot	set sysroot <path-to-sysroot>	settings set target.sysroot <path-to-sysroot>
Set Source Directory	directory <path-to-source-directory>	settings set target.source-map <remote-path> <local-path>
Set Architecture	set architecture <arch>	target create --arch <arch> <executable-file>
Show Settings	show <setting-name>	settings show <setting-name>
Set File for Debugging	file <executable-file>	target create <executable-file>
Start the Program at the First Instruction	starti	process launch --stop-at-entry
Enable ASLR	set disable-randomization off	settings set target.disable-aslr false