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RE: SH relocation differences in older versions of the binutils
- From: Jeff Baker <jbaker at qnx dot com>
- To: 'DJ Delorie' <dj at redhat dot com>, Jeff Baker <jbaker at qnx dot com>
- Cc: binutils at sources dot redhat dot com
- Date: Tue, 6 Jan 2004 10:22:26 -0500
- Subject: RE: SH relocation differences in older versions of the binutils
Thanks.
> -----Original Message-----
> From: DJ Delorie [mailto:dj@redhat.com]
> Sent: Monday, January 05, 2004 2:02 PM
> To: jbaker@qnx.com
> Cc: binutils@sources.redhat.com
> Subject: Re: SH relocation differences in older versions of the binutils
>
>
> > Does anyone have an idea on this? We're also asking Hitachi for some
> help
> > but they haven't responded yet.
> >
> > > Can someone help me figure out some code that I can use to have the
> GNU
> > > tools produce a binary with the following relocations?
> > >
> > > R_SH_SWITCH8
>
> If you read gas/config/tc-sh.{h,c} you'll see that this reloc is used
> for 8-bit switch tables, for non-BFD assemblers (sh-coff?), where you
> have a ".byte sym1 - sym2" and both syms are in .text.
>
> > > R_SH_GNU_VTINHERIT
> > > R_SH_GNU_VTENTRY
>
> I don't think gcc will use these any more. They were used for C++
> virtual tables and -relax.
>
> > > R_SH_LOOP_START
> > > R_SH_LOOP_END
>
> These get emitted when you use LDRS and LDRE with "as -relax".