GDB - List of Commands

Basic Commands

Command	Short version	Description
run	r	The run command causes execution of the program to start from the beginning
quit	q	Exit GDB debugger
breakpoint location	b location	The breakpoint command sets a breakpoint in a certain location. (line, function, etc)
print expression	p expression	This will print the value of the given expression.
continue	c	Continues execution following a breakpoint, until the next breakpoint or the termination of the program.
step	s	Executes a single line after a breakpoint.
next	n	Executes a single line. If this line is a subprogram call, executes and returns from the call.
list	l	Lists a few lines around the current source location.
backtrace	bt	Displays a backtrace of the call chain.

Execution control

Command	Short version	Description
run	r	Start program execution
run command-line-arguments	r command-line-arguments	Start program execution
run < stdin-file > stdout-file	r < stdin-file > stdout-file	Start program execution with IO redirection
continue	c	Continues program execution until encounters a breakpoint
kill		Kills the current process
quit	q	Exit GDB debugger

Breakpoint management

Command	Description
break function-name	Set a breakpoint at specified function
break line-number	Set a breakpoint at specified line number
break ClassName::functionName	Set a breakpoint at specified class function
break +offset	Set a breakpoint specified number of lines forward from the current position
break -offset	Set a breakpoint specified number of lines back from the current position
break filename:function	Set a breakpoint at specified function inside a file
break filename:line-number	Set a breakpoint at specified line number of a file
break *address	Set a breakpoint at specified instruction address
break line-number if condition	Set a breakpoint if the condition is met
break line thread thread-number	Set a breakpoint in the thread specified by the line number
tbreak	Set a temporary break (break once only)
watch condition	Suspend execution when the condition is met
clear	Delete breakpoints
clear function	Delete all breakpoints in function
clear line-number	Delete breakpoints at specified line number
delete	Delete all breakpoints, watchpoints, or catchpoints
delete breakpoint-number	Delete the breakpoint specified
delete breakpoint-number-breakpoint-number	Delete the breakpoints inside the specified range. ex: delete 1-4
disable breakpoint-number	Disable the breakpoint specified
disable breakpoint-number-breakpoint-number	Disable the breakpoints inside the specified range, ex: disable 1-4
enable breakpoint-number	Enable the breakpoint specified
enable breakpoint-number-breakpoint-number	Enable the breakpoints inside the specified range, ex: enable 1-4

Analyse stack

Command	Short version	Description
backtrace	bt	Print stack backtrace
backtrace full		Print values of local variables
frame	f	Show current stack frame
frame number	f number	Show the specified frame number
up		Move up a single frame
down		Move down a single frame
up number		Move up the specified number of frames in the stack
down number		Move down the specified number of frames in the stack
info frame		List address, language, address of arguments/local variables and which registers were saved in a frame.
info args		Info arguments of the selected frame
info locals		Info arguments of the selected local variables
info catch		Info arguments of the selected exception handlers