From: "H.J. Lu" <hjl.tools@gmail.com>
To: Jakub Jelinek <jakub@redhat.com>
Cc: Ilya Enkovich <enkovich.gnu@gmail.com>,
Richard Biener <richard.guenther@gmail.com>,
GCC Patches <gcc-patches@gcc.gnu.org>,
Uros Bizjak <ubizjak@gmail.com>
Subject: Re: [PATCH, libmpx, i386, PR driver/65444] Pass '-z bndplt' when building dynamic objects with MPX
Date: Wed, 18 Mar 2015 14:42:00 -0000 [thread overview]
Message-ID: <CAMe9rOoQ33JnsEk6m8dNGACty+zgsS24jkgWN7fAQoa9FGKZTw@mail.gmail.com> (raw)
In-Reply-To: <CAMe9rOq64hQyM+G+d_XguaFUHyOSLh4QM_yHeSxzJm28uXLe4w@mail.gmail.com>
On Wed, Mar 18, 2015 at 7:31 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Wed, Mar 18, 2015 at 7:02 AM, Jakub Jelinek <jakub@redhat.com> wrote:
>> On Wed, Mar 18, 2015 at 04:59:05PM +0300, Ilya Enkovich wrote:
>>> Which is a weird thing to do just to have a warning instead of an
>>> error. You don't guarantee MPX PLT generation by always passing '-z
>>> bndplt' but remove an opportunity to use gold at all. With current
>>> check you may use any linker and manually provide additional options
>>> if you want to.
>>
>> Yeah, I agree, the configure check is a reasonable thing to do.
>>
>
> We should either always pass -z bndplt to linker or disable
> MPX.
>
MPX is a security feature. Knowing leaving a door open is a
bad idea.
--
H.J.
next prev parent reply other threads:[~2015-03-18 14:42 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-18 11:56 Ilya Enkovich
2015-03-18 12:03 ` H.J. Lu
2015-03-18 12:05 ` Ilya Enkovich
2015-03-18 12:08 ` H.J. Lu
2015-03-18 12:13 ` Ilya Enkovich
2015-03-18 12:25 ` H.J. Lu
2015-03-18 12:42 ` Richard Biener
2015-03-18 13:24 ` Ilya Enkovich
2015-03-18 13:32 ` H.J. Lu
2015-03-18 13:41 ` Ilya Enkovich
2015-03-18 13:52 ` H.J. Lu
2015-03-18 13:59 ` Ilya Enkovich
2015-03-18 14:02 ` Jakub Jelinek
2015-03-18 14:31 ` H.J. Lu
2015-03-18 14:42 ` H.J. Lu [this message]
2015-03-18 16:14 ` Ilya Enkovich
2015-03-18 16:45 ` H.J. Lu
2015-03-18 17:13 ` Ilya Enkovich
2015-03-18 17:14 ` H.J. Lu
2015-03-18 17:34 ` Ilya Enkovich
2015-03-18 17:39 ` H.J. Lu
2015-03-18 18:13 ` Ilya Enkovich
2015-03-18 14:03 ` Robert Dewar
2015-03-18 14:33 ` Markus Trippelsdorf
2015-03-23 10:19 ` Ilya Enkovich
2015-03-31 9:47 ` Ilya Enkovich
2015-04-02 4:34 ` Jeff Law
2015-04-02 11:01 ` H.J. Lu
2015-04-03 19:34 ` Joseph Myers
2015-04-06 1:45 ` Sandra Loosemore
2015-04-06 2:35 ` H.J. Lu
2015-04-06 3:08 ` Sandra Loosemore
2015-04-06 15:18 ` Ilya Enkovich
2015-04-06 15:28 ` Jeff Law
2015-04-06 15:54 ` Ilya Enkovich
2015-05-26 9:26 ` Ilya Enkovich
2015-05-27 15:35 ` Jeff Law
2015-06-03 9:04 ` Ilya Enkovich
2015-06-03 15:29 ` Joseph Myers
2015-06-03 15:59 ` Ilya Enkovich
2015-06-03 16:03 ` Joseph Myers
2015-06-04 14:14 ` Ilya Enkovich
2015-06-04 15:55 ` Joseph Myers
2015-06-05 14:44 ` Ilya Enkovich
2015-06-25 19:00 ` Jeff Law
2015-04-06 17:15 ` Sandra Loosemore
2015-04-07 19:01 ` Jeff Law
2015-04-07 19:29 ` H.J. Lu
2015-04-07 20:12 ` Markus Trippelsdorf
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