GDB

Adding debug symbols

gcc -g hello.c
gdb a.out

# Run program
run

# Run and immediately break
start

# View code at current break point
list

# Break main
b main

# Break at line 9
b 9

TUI mode - text user interface

• Type ctrl-X A
• ctrl L - repaint
• ctrl X2 - multiple windows
• ctrl X2 - view registers
• tui reg float - view floating registers
• ctrl x 1 - source code view
• ctrl p/n - command history

Python interpreter built in (since version 7)

import os
print(os.pid())

python print(gdb.breakpoints()[0].location

# Set a breakpoint
python gdb.Breakpoint('7')

References

• https://www.youtube.com/watch?v=PorfLSr3DDI&t=6s
• https://gist.github.com/rkubik/b96c23bd8ed58333de37f2b8cd052c30