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From: "liuhongt at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/113039] [14 Regression] -fcf-protection
 -fcf-protection=branch doesn't work
Date: Mon, 18 Dec 2023 02:42:07 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113039

Hongtao Liu <liuhongt at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |liuhongt at gcc dot gnu.org

--- Comment #3 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---
Currently it's defined as EnumSet and -fcf-protection=3Dbranch won't unset =
any
others bits since they're in different groups.

2000fcf-protection=3D
2001Common Joined RejectNegative Enum(cf_protection_level) EnumSet
Var(flag_cf_protection) Init(CF_NONE)
2002-fcf-protection=3D[full|branch|return|none|check] Instrument functions =
with
checks to verify jump/call/return control-flow transfer
2003instructions have valid targets.
2004
2005Enum
2006Name(cf_protection_level) Type(enum cf_protection_level)
UnknownError(unknown Control-Flow Protection Level %qs)
2007
2008EnumValue
2009Enum(cf_protection_level) String(full) Value(CF_FULL) Set(1)
2010
2011EnumValue
2012Enum(cf_protection_level) String(branch) Value(CF_BRANCH) Set(2)
2013
2014EnumValue
2015Enum(cf_protection_level) String(return) Value(CF_RETURN) Set(3)
2016
2017EnumValue
2018Enum(cf_protection_level) String(check) Value(CF_CHECK) Set(4)
2019
2020EnumValue
2021Enum(cf_protection_level) String(none) Value(CF_NONE) Set(1)=