tmsriram created this revision.
tmsriram added a reviewer: rnk.
tmsriram added subscribers: cfe-commits, davidxl, rafael.
With linker copy relocations, PIE can generate better code for external global
variable accesses. This patch adds a new option to clang to specify this.
Please see http://
Is there a gcc option or they just assume they are targeting the
linker that was around when gcc was built?
> + if (Args.hasFlag(options::OPT_mpiecopyrelocs,
> options::OPT_mno_piecopyrelocs,
> + false)) {
> +CmdArgs.push_back("-piecopyrelocs");
> + }
you don't need the
On Thu, May 5, 2016 at 2:31 PM, Rafael Espíndola
wrote:
> Is there a gcc option or they just assume they are targeting the
> linker that was around when gcc was built?
It is done at configure time, the linker is checked for copy
relocations support. I recently saw a request to replace this with
If this is something that GCC doesn't have, it would be nice if we put
something in our own docs about it (something like docs/UsersManual.rst).
On Thu, May 5, 2016 at 2:34 PM, Sriraman Tallam via cfe-commits <
cfe-commits@lists.llvm.org> wrote:
> On Thu, May 5, 2016 at 2:31 PM, Rafael Espíndola
