[mips-tls] A couple of potential changes to the MIPS TLS ABI

Daniel Jacobowitz dan at codesourcery.com
Fri Feb 4 14:12:54 UTC 2005


On Fri, Feb 04, 2005 at 10:13:44AM +0000, Dominic Sweetman wrote:
> 
> Daniel Jacobowitz (dan at codesourcery.com) writes:
> > Unfortunately, I've realized that we can't sit on this fence.  Here's a
> > somewhat contrived example...
> 
> A very devilishly cunning example, too.

Why thank you! :-)

> > The only way to make this work is either to mandate that an
> > ABI-conforming compiler can not optimize the TLS access sequences, or
> > to define additional relaxation marker relocations to mark valid
> > sequences.  Some platforms do one, some do the other.
> > 
> > My preference is to do the latter, which we can postpone until someone
> > is ready to implement them.
> 
> I agree.

Great.  This gives me room to move forward with the GCC patches,
pending the continuing discussion about rdhwr.

-- 
Daniel Jacobowitz



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