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Re: Draft SH uClinux FDPIC ABI


On Thu, 28 Feb 2008, Alexandre Oliva wrote:

> It was the need for using the atomic 64-bit load/store instructions
> that motivated us to use 64-bit alignment for function descriptors on
> FR-V.  Since SH doesn't have 64-bit load/store instructions, there's
> no need for function descriptors to be aligned to 64-bit boundaries.

I've removed one reference to alignment.

> > This arrangement will not make processes that the debugger attaches to
> > after they are mapped in look like they have independent sets of
> > breakpoints; they may just crash instead of they reach a breakpoint
> > instruction set with ptrace for another process.
> 
> Typo (carried over from the original): instead of => instead, if

Thanks - there were lots more typos in the original (spell-checking it 
might be a good idea).

> I've just fixed it in FR-V FDPIC 1.0b.

Is there a more recent location to reference than 
<http://www.lsd.ic.unicamp.br/~oliva/writeups/FR-V/>, which still seems to 
have 1.0a?

-- 
Joseph S. Myers
joseph@codesourcery.com


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