/* x86 CET tuning.

   This file is part of the GNU C Library.

   Copyright (C) 2018 Free Software Foundation, Inc.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#ifndef _CET_CONTROL_H

#define _CET_CONTROL_H

/* For each CET feature, IBT and SHSTK, valid control values.  */

enum dl_x86_cet_control

{

  /* Enable CET features based on ELF property note.  */

  cet_elf_property = 0,

  /* Always enable CET features.  */

  cet_always_on,

  /* Always disable CET features.  */

  cet_always_off,

  /* Enable CET features permissively.  */

  cet_permissive

};

struct dl_x86_feature_control

{

  enum dl_x86_cet_control ibt : 2;

  enum dl_x86_cet_control shstk : 2;

};

#endif /* cet-control.h */