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Date: Mon, 20 Aug 2012 16:33:00 -0000
From: Eli Zaretskii <eliz@gnu.org>
Subject: Re: New warning in GDB 7.5
In-reply-to: <20120820142417.GA1149@host2.jankratochvil.net>
To: Jan Kratochvil <jan.kratochvil@redhat.com>
Cc: mark.kettenis@xs4all.nl, brobecker@adacore.com, gdb-patches@sourceware.org
Reply-to: Eli Zaretskii <eliz@gnu.org>
Message-id: <83a9xpcymx.fsf@gnu.org>
References: <20120818205543.GL2798@adacore.com> <837gsvewyh.fsf@gnu.org> <201208182149.q7ILnLb3017336@glazunov.sibelius.xs4all.nl> <83393jegz3.fsf@gnu.org> <20120819043652.GN2798@adacore.com> <83vcgeddsm.fsf@gnu.org> <20120819180647.GO2798@adacore.com> <201208191832.q7JIWZmi012610@glazunov.sibelius.xs4all.nl> <83lihad7y3.fsf@gnu.org> <201208191910.q7JJAnQ0023236@glazunov.sibelius.xs4all.nl> <20120820142417.GA1149@host2.jankratochvil.net>
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> Date: Mon, 20 Aug 2012 16:24:17 +0200
> From: Jan Kratochvil <jan.kratochvil@redhat.com>
> Cc: eliz@gnu.org, brobecker@adacore.com, gdb-patches@sourceware.org
> 
> On Sun, 19 Aug 2012 21:10:49 +0200, Mark Kettenis wrote:
> >     set $tem = (struct Lisp_Symbol *) $ptr
> > 
> > probably won't trigger a full symbol read since "struct Lisp_Symbol"
> > is a type and not a function or variable.
> 
> It will, because GDB generates symbols for each type.  See for example:
> process_structure_scope -> new_symbol_full <DW_TAG_structure_type> ->
> -> add_symbol_to_list

If it relies on DW_TAG_structure_type, it needs DWARF, perhaps even
newer than DWARF-2, doesn't it?  Emacs debugging shouldn't depend on
that.