jroelofs added a comment.

In http://reviews.llvm.org/D19920#421173, @rmaprath wrote:

> In http://reviews.llvm.org/D19920#421145, @jroelofs wrote:
>
> > Wouldn't this break cross unwinding?
>
>
> I wasn't aware of cross unwinding, I think you are referring to [1]. Thanks 
> for the pointer.
>
> Would it make sense to support a libunwind build that only supports native 
> unwinding? For baremetal (embedded) applications, I don't think cross 
> unwinding (if I understand it correctly) makes a lot of sense.
>
> Thanks!
>
> / Asiri
>
> [1] http://www.nongnu.org/libunwind/man/libunwind(3).html#section_4


Yeah, that's what I'm referring to. I have no idea if it's currently working or 
not, but *adding* a build mode that only supports native unwinding sounds like 
a good idea.


http://reviews.llvm.org/D19920



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