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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