[llvm-dev] Error compiling libc++ for ARMv6

[JF Bastien via llvm-dev]

It's part of the stable Linux ABI for ARM. Yes there are non-Linux OSes,
and I wasn't suggesting one emit these calls for non-Linux.

Please clarify the red warning lights. FWIW these functions were used by
Chrome on ARM until very recently, specifically for the sake of older ARM
CPUs.
On Sep 27, 2015 9:55 AM, "Joerg Sonnenberger" <joerg at britannica.bec.de>
wrote:

> On Fri, Sep 25, 2015 at 05:34:03PM -0700, JF Bastien via llvm-dev wrote:
> > In pre-v6 Linux you could use the kernel-provided helpers:
> >
> > https://www.kernel.org/doc/Documentation/arm/kernel_user_helpers.txt
>
> Please *never* tell people to use those directly. There are kernels
> other than Linux and the very idea of hardcoding random kernel address
> should make all red warning lights go off.
>
> Joerg
>
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