* [wwwdocs PATCH] gcc-11.3: Mention -mharden-sls= and -mindirect-branch-cs-prefix
@ 2022-02-16 14:41 H.J. Lu
2022-02-17 9:39 ` Richard Biener
0 siblings, 1 reply; 2+ messages in thread
From: H.J. Lu @ 2022-02-16 14:41 UTC (permalink / raw)
To: gcc-patches
---
htdocs/gcc-11/changes.html | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/htdocs/gcc-11/changes.html b/htdocs/gcc-11/changes.html
index fbd1b8ba..8e6d4ec8 100644
--- a/htdocs/gcc-11/changes.html
+++ b/htdocs/gcc-11/changes.html
@@ -1129,6 +1129,13 @@ are not listed here).</p>
no longer changes how they are passed nor returned. This ABI change
is now diagnosed with <code>-Wpsabi</code>.
</li>
+ <li>Mitigation against straight line speculation (SLS) for function
+ return and indirect jump is supported via
+ <code>-mharden-sls=[none|all|return|indirect-jmp]</code>.
+ </li>
+ <li>Add CS prefix to call and jmp to indirect thunk with branch target
+ in r8-r15 registers via <code>-mindirect-branch-cs-prefix</code>.
+ </li>
</ul>
</body>
--
2.35.1
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [wwwdocs PATCH] gcc-11.3: Mention -mharden-sls= and -mindirect-branch-cs-prefix
2022-02-16 14:41 [wwwdocs PATCH] gcc-11.3: Mention -mharden-sls= and -mindirect-branch-cs-prefix H.J. Lu
@ 2022-02-17 9:39 ` Richard Biener
0 siblings, 0 replies; 2+ messages in thread
From: Richard Biener @ 2022-02-17 9:39 UTC (permalink / raw)
To: H.J. Lu; +Cc: GCC Patches
On Wed, Feb 16, 2022 at 3:42 PM H.J. Lu via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
OK.
> ---
> htdocs/gcc-11/changes.html | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/htdocs/gcc-11/changes.html b/htdocs/gcc-11/changes.html
> index fbd1b8ba..8e6d4ec8 100644
> --- a/htdocs/gcc-11/changes.html
> +++ b/htdocs/gcc-11/changes.html
> @@ -1129,6 +1129,13 @@ are not listed here).</p>
> no longer changes how they are passed nor returned. This ABI change
> is now diagnosed with <code>-Wpsabi</code>.
> </li>
> + <li>Mitigation against straight line speculation (SLS) for function
> + return and indirect jump is supported via
> + <code>-mharden-sls=[none|all|return|indirect-jmp]</code>.
> + </li>
> + <li>Add CS prefix to call and jmp to indirect thunk with branch target
> + in r8-r15 registers via <code>-mindirect-branch-cs-prefix</code>.
> + </li>
> </ul>
>
> </body>
> --
> 2.35.1
>
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2022-02-17 9:40 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-02-16 14:41 [wwwdocs PATCH] gcc-11.3: Mention -mharden-sls= and -mindirect-branch-cs-prefix H.J. Lu
2022-02-17 9:39 ` Richard Biener
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).