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Re: [RFA] use frame IDs to detect function calls while stepping
Daniel Jacobowitz writes:
> > + if (IN_SOLIB_CALL_TRAMPOLINE (stop_pc, ecs->stop_func_name))
> > + {
> > + /* We landed in a shared library call trampoline, so it
> > + is a subroutine call. */
> > + handle_step_into_function (ecs);
> > + return;
> > + }
> > +
> > + if (frame_id_eq (get_frame_id (get_prev_frame (get_current_frame ())),
> > + step_frame_id))
> > + {
> > + /* It's a subroutine call. */
> > + handle_step_into_function (ecs);
> > + return;
> > + }
> > +
>
> get_prev_frame can return NULL. In fact, it generally does in main.
>
I don't think it matters, frame_id_eq will handle a comparison with
null_frame_id.