My gdb cheat sheet

gdb-cheat-sheet

List breakpoints:
i b

Show register state:
i r

Change / relocate sources:
set substitute-path /path/to/a /another/to/a

Conditional breakpoints:
b [place] if [expr]
b truc.c:154 if a == b

Print / inspect memory segment:
x/[length]xb [*pointer]
x/128xb map->img->raw_bytes

Run (from the begining):
r [+args]

Backtrace:
bt

Print out the memory address of a variable (prefix with &):
(gdb) p & this->map->extent.minx
$11 = (double *) 0x9210f8

Put a watchpoint (breaks if memory written) on an address:
(gdb) watch * 0x9210f8
(awatch for also tracking read)

step into:
s

step over:
n

step out:
finish

UI mode:
lay src
lay asm
lay regs

Back to console mode:
CTRL+x + a

step into / next by instruction (asm):
si / ni

Print a supposed structure:
p *((FILE *) $rax)