[Bug target/102035] arm/m-profile/cmse add mitigation for CVE-2021-35465
cvs-commit at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue Aug 24 13:33:14 GMT 2021
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102035
--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Richard Earnshaw
<rearnsha@gcc.gnu.org>:
https://gcc.gnu.org/g:2539763c89a6777502f16457269e2c31d6d95b67
commit r11-8903-g2539763c89a6777502f16457269e2c31d6d95b67
Author: Richard Earnshaw <rearnsha@arm.com>
Date: Fri Jun 18 17:16:25 2021 +0100
arm: add erratum mitigation to __gnu_cmse_nonsecure_call [PR102035]
Add the recommended erratum mitigation sequence to
__gnu_cmse_nonsecure_call for use on Armv8-m.main devices. Since this
is in the library code we cannot know in advance whether the core we
are running on will be affected by this, so always enable it.
libgcc:
PR target/102035
* config/arm/cmse_nonsecure_call.S (__gnu_cmse_nonsecure_call):
Add vlldm erratum work-around.
(cherry picked from commit 574e7950bd6b34e9e2cacce18c802b45505d1d0a)
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