[PATCH] i386: Use _dl_runtime_[resolve|profile]_shstk for SHSTK [BZ #23716]

[H.J. Lu]

On Wed, Sep 26, 2018 at 10:30 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Wed, Sep 26, 2018 at 10:23 AM, Florian Weimer <fweimer@redhat.com> wrote:
>> * H. J. Lu:
>>
>>> diff --git a/sysdeps/i386/dl-trampoline.S b/sysdeps/i386/dl-trampoline.S
>>> index 6dc0319216..9734f9c981 100644
>>> --- a/sysdeps/i386/dl-trampoline.S
>>> +++ b/sysdeps/i386/dl-trampoline.S
>>> @@ -33,6 +33,7 @@
>>>  _dl_runtime_resolve:
>>>       cfi_adjust_cfa_offset (8)
>>>       _CET_ENDBR
>>> +     hlt
>>>       pushl %eax              # Preserve registers otherwise clobbered.
>>>       cfi_adjust_cfa_offset (4)
>>>       pushl %ecx
>>
>> That doesn't look right. 8-)
>>
>
> This is the change I used to test my fix to verify that the SHSTK resolver
> is used if SHSTK is enabled by kernel.  It isn't the part of the fix.
>

We verified that the fix worked on CET simulator.  If there is no objection,
I will check it later today.

Thanks.

-- 
H.J.