On Wed, Nov 12, 2014 at 09:30:59AM +0100, Richard Biener wrote:
> On Tue, Nov 11, 2014 at 4:34 PM, Ilya Enkovich <enkovich....@gmail.com> wrote:
> > Hi,
> >
> > This patch integrates MPX runtime library into GCC source tree. MPX
> > runtime is responsible for initialization of MPX feature in HW, signal
> > handling, reporting etc. Library is linked to codes compiled with -mmpx.
>
> What happens if you omit -mmpx from the linker command-line?
> What happens if you mix -mmpx and non -mmpx objects?
>
> I wonder why this is not part of glibc and whether initialization is needed
> is communicated by some ELF flag in the executable/library which
> is determined by the linker.
Because glibc is not a kitchen sink. And, I think most of programs in
typical uses aren't going to be built with -mmpx, so it isn't appropriate
to pay the price in all programs for something used only sometimes.
Jakub
