How to modify the line of a breakpoint in gdb?

Question

I set a breakpoint and set its conditions and some other commands. Now I realize that I should had set it a few lines ahead. How can I change the line of the breakpoint without deleting it and losing its settings?

Answer 1

How can I change the line of the breakpoint without deleting it and losing its settings?

You can't.

What you can do is use save breakpoints /tmp/bp.txt command to save current settings for all breakpoints, edit the /tmp/bp.txt file to update the line info (or anything else), and finally delete to remove current breakpoints and source /tmp/bp.txt to reload them.