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Subject: [Bug target/102035] arm/m-profile/cmse add mitigation for
 CVE-2021-35465
Date: Tue, 24 Aug 2021 13:33:09 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102035

--- Comment #6 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:80e7c4638444790e4bcc871220a279e84d9ce299

commit r11-8902-g80e7c4638444790e4bcc871220a279e84d9ce299
Author: Richard Earnshaw <rearnsha@arm.com>
Date:   Fri Jun 11 16:02:05 2021 +0100

    arm: Add command-line option for enabling CVE-2021-35465 mitigation
[PR102035]

    Add a new option, -mfix-cmse-cve-2021-35465 and document it.  Enable it
    automatically for cortex-m33, cortex-m35p and cortex-m55.

    gcc:
            PR target/102035
            * config/arm/arm.opt (mfix-cmse-cve-2021-35465): New option.
            * doc/invoke.texi (Arm Options): Document it.
            * config/arm/arm-cpus.in (quirk_vlldm): New feature bit.
            (ALL_QUIRKS): Add quirk_vlldm.
            (cortex-m33): Add quirk_vlldm.
            (cortex-m35p, cortex-m55): Likewise.
            * config/arm/arm.c (arm_option_override): Enable fix_vlldm if
            targetting an affected CPU and not explicitly controlled on
            the command line.
    (cherry picked from commit 3929bca9ca95de9d35e82ae8828b188029e3eb70)=