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To: Daniel Jacobowitz <drow@mvista.com>
Cc: Elias Athanasopoulos <eathan@otenet.gr>,
   Michael Snyder <msnyder@redhat.com>, gdb-patches@sources.redhat.com
Subject: Re: [PATCH/RFC] faster language identification
References: <20021107224622.D1136@neutrino.particles.org>
	<20021107193409.GA25879@nevyn.them.org>
	<20021107230321.F1136@neutrino.particles.org>
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	<20021107231840.G1136@neutrino.particles.org>
	<3DCAD353.E5C2A968@redhat.com>
	<20021110170125.A29343@neutrino.particles.org>
	<20021110190450.GA7860@nevyn.them.org>
	<vt2wunhqs6p.fsf@zenia.red-bean.com>
	<20021113181229.GA26819@nevyn.them.org>
From: Jim Blandy <jimb@redhat.com>
Date: Wed, 13 Nov 2002 10:39:00 -0000
In-Reply-To: <20021113181229.GA26819@nevyn.them.org>
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Daniel Jacobowitz <drow@mvista.com> writes:
> > > > I was thinking of what Daniel proposed; a psymtab_language() function. But,
> > > > even in the DWARF case, consider this:
> > > > 
> > > > % gcc -Wa,-gdwarf2 bar.s foo.c -o foo
> > > > 
> > > > Now, the language should be set to 'asm'? This is what you'll get if you try
> > > > to parse the .debug_info section. Currently, gdb in the above case sets it
> > > > to 'c'.
> > > > 
> > > > Also, there is the case that you enable DWARF in both as and gcc, but I think
> > > > this shouldn't be allowed by gcc.
> > > 
> > > Well, it _should_ be asm.  We don't have line number information for
> > > the .c source.  IMHO.
> > > 
> > > (Also IMHO, the user just shouldn't do that...)
> > 
> > Shouldn't do what?  Compile assembly with debug info?  Link object
> > modules with a mix of debuggingness?  I don't see what's wrong...
> 
> No, compile C with assembly debug info, which that command line also
> does.  That's the one that'll confuse us.

Ooooh.  I see.  Yep.