Re: [Xen-devel] [PATCH 19/34] xen/arm: Provide eabi wrapper for __aeabi_mem* functions

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Wed, 2014-03-26 at 15:38 +0000, Julien Grall wrote:
> On 03/26/2014 10:39 AM, Ian Campbell wrote:
> > On Tue, 2014-03-25 at 18:12 +0000, Julien Grall wrote:
> >> Hi Ian,
> >>
> >> On 03/25/2014 05:25 PM, Ian Campbell wrote:
> >>> On Tue, 2014-03-25 at 16:55 +0000, Julien Grall wrote:
> >>>> Clang doesn't provide function __aebai_mem*, implement generically as a 
> >>>> wrapper
> >>>> for mem* function provided by Xen.
> >>>
> >>> Where are the references to these functions coming from if not from the
> >>> compiler?
> >>
> >> Theses functions are called by the code generated by the compiler.
> > 
> > And who normally provides them when building with clang? Some sort of
> > libclang I guess?
> 
> I've tried to compile a same compilation unit with gcc and clang. gcc is
> inlining the call to __aebi_*.

That is orthogonal to the question I asked.

What in a clang based system normally provides __aeabi_*?

Your choices are "a libclang thing", "the libc", "something else".

Ian.



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