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Date: Thu, 18 Mar 2010 15:40:00 -0000
Message-ID: <e394668d1003180840q2492b9ceg164a5d8d0dcc1f3b@mail.gmail.com>
Subject: Re: Getting pissed off by gdb. Please help with stepping in.
From: Doug Evans <dje@google.com>
To: temp@sourceboost.com, gdb@sourceware.org
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On Thu, Mar 18, 2010 at 6:33 AM, Daniel Jacobowitz <dan@codesourcery.com> w=
rote:
> here's the previous block:
>
> =A0if ((stop_pc =3D=3D stop_pc_sal.pc)
> =A0 =A0 =A0&& (ecs->event_thread->current_line !=3D stop_pc_sal.line
> =A0 =A0 =A0 =A0 =A0|| ecs->event_thread->current_symtab !=3D stop_pc_sal.=
symtab))
> =A0 =A0{
> =A0 =A0 =A0/* We are at the start of a different line. =A0So stop. =A0Not=
e that
> =A0 =A0 =A0 =A0 we don't stop if we step into the middle of a different l=
ine.
> =A0 =A0 =A0 =A0 That is said to make things like for (;;) statements work
> =A0 =A0 =A0 =A0 better. =A0*/
>
> IOW, if we are at a line boundary, we stop stepping. =A0If we've ended
> up in the middle of a line, we keep going. =A0This prevents us from
> ending up in a weird state where we show the line containing the
> function call, but the function has already been called. =A0I think it'd
> be even more confusing.
>
> This is a difference between stepping out of a function and finishing.

I realize one can *have* that difference.
However, I've rarely (if ever) *wanted* that difference.
But that's just *my* preference, YMMV :-).