I'm far from expert in linux debugging, but I liked my experience with VS code gdb support - you can set breakpoints, stepping in/out works fine, you of course

I'm far from expert in linux debugging, but I liked my experience with VS code gdb support - you can set breakpoints, stepping in/out works fine, you of course get nice code navigation and so on. My experience was mostly with Postgres code base, which is pure c, FWIW.