]>
git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/unix/sysv/linux/x86/cpu-features.c
1 /* Initialize CPU feature data for Linux/x86.
2 This file is part of the GNU C Library.
3 Copyright (C) 2018-2023 Free Software Foundation, Inc.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
20 # include <sys/prctl.h>
21 # include <asm/prctl.h>
23 static inline int __attribute__ ((always_inline
))
26 unsigned long long cet_status
[3];
27 if (INTERNAL_SYSCALL_CALL (arch_prctl
, ARCH_CET_STATUS
, cet_status
) == 0)
37 THREAD_SETMEM (THREAD_SELF
, header
.feature_1
, GL(dl_x86_feature_1
));
40 # define ARCH_SETUP_TLS() x86_setup_tls ()
44 #include <sysdeps/x86/cpu-features.c>