This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: [PATCH] i386: Use _dl_runtime_[resolve|profile]_shstk for SHSTK [BZ #23716]
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.