On Mon, May 04, 2015 at 11:34:05AM -0600, Jeff Law wrote:
> On 05/04/2015 10:37 AM, Alexander Monakov wrote:
> >This patch introduces option -fno-plt that allows to expand calls that would
> >go via PLT to load the address of the function immediately at call site
> >(which
> >introduces a GOT load). Cover letter explains the motivation for this patch.
> >
> >New option documentation for invoke.texi is missing from the patch; if this
> >is
> >accepted I'll be happy to send a v2 with documentation added.
> >
> > * calls.c (prepare_call_address): Transform PLT call to GOT lookup and
> > indirect call by forcing address into a pseudo with -fno-plt.
> > * common.opt (flag_plt): New option.
> OK once you cobble together the invoke.texi changes.
Isn't what Michael/Alan suggested better? I mean as/ld/compiler changes to
inline the plt slot's first part, then lazy binding will work fine.
Jakub
