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Re: Support for DDWARF-2 debug info? (on Cygwin)
- 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>
- Date: Fri, 17 Jan 2003 23:49:01 +0100 (CET)
- Subject: Re: Support for DDWARF-2 debug info? (on Cygwin)
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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