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Re: PING^3 [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: Fri, 26 Jan 2018 06:22:20 -0800
- Subject: Re: PING^3 [PATCH] i386: Avoid PLT when shadow stack is enabled directly
- Authentication-results: sourceware.org; auth=none
On Sun, Jan 7, 2018 at 7:13 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
> 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.
>
> PING:
>
> https://gcc.gnu.org/ml/gcc-patches/2017-12/msg00485.html
>
PING
--
H.J.