1 /* Linux/x86 CET initializers function. 2 Copyright (C) 2018-2022 Free Software Foundation, Inc. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #include <sys/prctl.h> 19 #include <asm/prctl.h> 20 21 static inline int __attribute__ ((always_inline)) dl_cet_disable_cet(unsigned int cet_feature)22dl_cet_disable_cet (unsigned int cet_feature) 23 { 24 return (int) INTERNAL_SYSCALL_CALL (arch_prctl, ARCH_CET_DISABLE, 25 cet_feature); 26 } 27 28 static inline int __attribute__ ((always_inline)) dl_cet_lock_cet(void)29dl_cet_lock_cet (void) 30 { 31 return (int) INTERNAL_SYSCALL_CALL (arch_prctl, ARCH_CET_LOCK, 0); 32 } 33