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/*===------ cet.h -Control-flow Enforcement Technology feature ------------===
* Add x86 feature with IBT and/or SHSTK bits to ELF program property if they
* are enabled. Otherwise, contents in this header file are unused. This file
* is mainly design for assembly source code which want to enable CET.
*
* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
* See https://llvm.org/LICENSE.txt for license information.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*
*===-----------------------------------------------------------------------===
*/
#ifndef __CET_H
#define __CET_H
#ifdef __ASSEMBLER__
#ifndef __CET__
# define _CET_ENDBR
#endif
#ifdef __CET__
# ifdef __LP64__
# if __CET__ & 0x1
# define _CET_ENDBR endbr64
# else
# define _CET_ENDBR
# endif
# else
# if __CET__ & 0x1
# define _CET_ENDBR endbr32
# else
# define _CET_ENDBR
# endif
# endif
# ifdef __LP64__
# define __PROPERTY_ALIGN 3
# else
# define __PROPERTY_ALIGN 2
# endif
.pushsection ".note.gnu.property", "a"
.p2align __PROPERTY_ALIGN
.long 1f - 0f /* name length. */
.long 4f - 1f /* data length. */
/* NT_GNU_PROPERTY_TYPE_0. */
.long 5 /* note type. */
0:
.asciz "GNU" /* vendor name. */
1:
.p2align __PROPERTY_ALIGN
/* GNU_PROPERTY_X86_FEATURE_1_AND. */
.long 0xc0000002 /* pr_type. */
.long 3f - 2f /* pr_datasz. */
2:
/* GNU_PROPERTY_X86_FEATURE_1_XXX. */
.long __CET__
3:
.p2align __PROPERTY_ALIGN
4:
.popsection
#endif
#endif
#endif
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