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PING^2 [PATCH] i386: Avoid PLT when shadow stack is enabled directly
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: GCC Patches <gcc-patches at gcc dot gnu dot org>, Igor Tsimbalist <igor dot v dot tsimbalist at intel dot com>, Uros Bizjak <ubizjak at gmail dot com>
- Date: Sat, 17 Mar 2018 05:55:19 -0700
- Subject: PING^2 [PATCH] i386: Avoid PLT when shadow stack is enabled directly
On Fri, Dec 8, 2017 at 5:02 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Tue, Oct 24, 2017 at 5:31 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
>> PLT should be avoided with shadow stack in 32-bit mode if more than 2
>> parameters are passed in registers since only 2 parameters can be passed
>> in registers for external function calls via PLT with shadow stack
>> enabled.
>>
>> OK for trunk if there is no regressions?
>
> Here is the updated patch.
>
> PING.
>
https://gcc.gnu.org/ml/gcc-patches/2017-12/msg00485.html
PING.
--
H.J.