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Date: Fri, 17 Jan 2003 23:49:01 +0100 (CET)
From: Fabio Alemagna <falemagn AT studenti DOT unina DOT it>
To: Richard Henderson <rth AT redhat DOT com>
cc: Brian Ford <ford AT vss DOT fsi DOT com>, Nick Clifton <nickc AT redhat DOT com>,
   <cygwin AT cygwin DOT com>, <binutils AT sources DOT redhat DOT com>, <dave AT beermex DOT com>,
   <cgf AT redhat DOT com>
Subject: Re: Support for DDWARF-2 debug info? (on Cygwin)
In-Reply-To: <20030117225510.GC1898@redhat.com>
Message-ID: <Pine.OSF.4.30.0301172347130.181399-100000@studenti.unina.it>
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On Fri, 17 Jan 2003, Richard Henderson wrote:

> On Thu, Jan 16, 2003 at 09:18:20AM -0600, Brian Ford wrote:
> > I am still consulting the DWARF2 spec to see if gcc and gas are
> > correct in generating VMA addresses.  If so, I guess I have to fix the
> > dwarf parsing code in bfd and gdb to subtract the section base VMA.
>
> No, dwarf specifies a section-relative address.  The issue is that,
> with the exception of IA-64, no target has section-relative relocations.
> So instead we force the VMA to zero such that the VMA address and
> the section offset are identical.
>
> If you cannot do this with PE, then you have to add new relocs.
> There's no other way around it.

Wait a minute, are you saying IA-64 implements section-relative
relocations? Is that for any kind of sections, or just the dwarf's ones?

Hope the former, because in that's exactly what I need for AROS.

Fabio Alemagna



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