[PATCH 1/2 roland/nptl] ARM: Consolidate NPTL/non versions of vfork

[Joseph S. Myers]

On Tue, 13 May 2014, Roland McGrath wrote:

> The presence of vfork/__vfork in the historical libpthread.so ABI means we
> can't just get rid of pt-vfork entirely.  Instead, I've implemented the ABI
> compatibility generically in nptl/pt-vfork.c, using IFUNC redirectors so
> libpthread's symbols resolve to libc's function.  This will serve other
> machines as they clean out their old pt-vfork.S files too.

ARM supports IFUNCs, but lots of architectures don't; you need something 
that will work when the architecture-specific dynamic linker support for 
IFUNCs isn't present in glibc (or does this somehow not need that 
support)?

-- 
Joseph S. Myers
joseph@codesourcery.com