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[mips patch RFC] removal of gas embedded-pic support code

Daniel Jacobowitz drow@false.org
Thu May 6 02:26:00 GMT 2004 
On Wed, May 05, 2004 at 09:30:18PM +0100, Richard Sandiford wrote:
> Daniel Jacobowitz <drow@false.org> writes:
> >On Wed, May 05, 2004 at 01:15:55PM -0700, cgd@broadcom.com wrote:
> >> I'd say that the mips64-linux-gnu version is the "better" one, since
> >> the PC-relative 32/64 relocations were non-standard.
> 
> Agreed.
> 
> >> But I have no idea how much pain would be caused by switching.  Or
> >> whether (and how much) backward-compatibility needs to be maintained.
> >
> > No compatibility needs to be maintained for this, AFAIK.
> 
> I guess it depends on how much lock-in is acceptable between binutils
> and gcc.  The patch to make mips*-linux-gnu use pc-relative EH entries
> went in over two years ago (17-Feb-02, it seems).  And even the latest
> gcc release will try to use them.
> 
> If we remove support entirely, it won't be possible for users to upgrade
> beyond 2.15 without also upgrading to a newer compiler and recompiling
> all their old C++ objects.

What I meant was that the change in GCC didn't affect backwards
compatibility, sorry.  I agree that we're stuck with the reloc for a
bit.

-- 
Daniel Jacobowitz
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