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From: Daniel Jacobowitz <drow@false.org>
To: Mark Kettenis <mark.kettenis@xs4all.nl>
Cc: jimb@red-bean.com, gdb-patches@sourceware.org
Subject: Re: [RFC/RFA] Deal with -g1 generated DWARF2 debug info
Date: Mon, 05 Dec 2005 19:57:00 -0000	[thread overview]
Message-ID: <20051204230739.GB26122@nevyn.them.org> (raw)
In-Reply-To: <200512042230.jB4MUmMw002961@elgar.sibelius.xs4all.nl>

On Sun, Dec 04, 2005 at 11:30:48PM +0100, Mark Kettenis wrote:
> > Date: Sun, 4 Dec 2005 14:00:21 -0800
> > From: Jim Blandy <jimb@red-bean.com>
> >
> > The central issue here is that the compiler is emitting incorrect
> > debug info.  The GCC manual says of -g1:
> > 
> >      Level 1 produces minimal information, enough for making backtraces
> >      in parts of the program that you don't plan to debug.  This
> >      includes descriptions of functions and external variables, but no
> >      information about local variables and no line numbers.
> > 
> > Nothing there about reducing all return types to 'void'.
> 
> But fixing that would probably require that GCC dumps the complete
> type info, which would reduce the usefulness of -g1.  And that doesn't
> change the fact that GCC probably has been doing this for quite some
> time now.

Except, no one seems to _use_ .debug_info with -g1... Why do you want
information about functions, if it's not going to tell you anything
that wasn't in the symbol table?

-- 
Daniel Jacobowitz
CodeSourcery, LLC


  reply	other threads:[~2005-12-04 23:07 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-04 22:05 Mark Kettenis
2005-12-04 22:31 ` Jim Blandy
2005-12-05  9:43   ` Mark Kettenis
2005-12-04 22:40 ` Jim Blandy
2005-12-04 23:06   ` Daniel Jacobowitz
2005-12-04 23:07     ` Jim Blandy
2005-12-05 10:32       ` Daniel Jacobowitz
2005-12-05 18:29         ` Mark Kettenis
2005-12-05 19:23           ` Daniel Jacobowitz
2005-12-07 16:19             ` Mark Kettenis
2005-12-05 16:56       ` Mark Kettenis
2005-12-05 19:57         ` Daniel Jacobowitz [this message]
2005-12-05 14:40   ` Mark Kettenis

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