GDB Cheat Sheet
Mode line Emacs movement keys
c-b: move backward 1 character c-f: move forward 1 character c-d: delete a character under cursor c-w: delete 1 word from current cursor towards front of the line
Add debug flag at compile time
cc -g
gdb ./a.out
Gdb command collections
| b file:linenr | add a break point |
| l . | show code at breakpoint |
| c-x a | toggle tui |
| c-x 2 | cycle through register, asm |
| c-l | redraw/clear screen |
| i b | show all break point infomation |
| p a | print variable a |
| n | next |
| c | continues run til hit next break point |
| s | step into function |
| bt | print back trace or call stack |
Source
CPP Con 2015 Gdb