1 /* Definition for thread-local data handling. ARM/Linux version. 2 Copyright (C) 2005-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 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. 9 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. 14 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/>. */ 18 19 #ifndef _LINUX_ARM_TLS_H 20 #define _LINUX_ARM_TLS_H 1 21 22 /* Almost everything is OS-independent and common for all NPTL on ARM. */ 23 #include <sysdeps/arm/nptl/tls.h> 24 25 #ifndef __ASSEMBLER__ 26 27 /* Get system call information. */ 28 # include <sysdep.h> 29 30 /* Code to initially initialize the thread pointer. This might need 31 special attention since 'errno' is not yet available and if the 32 operation can cause a failure 'errno' must not be touched. */ 33 # define TLS_INIT_TP(tcbp) \ 34 ({ long int result_var; \ 35 result_var = INTERNAL_SYSCALL_CALL (set_tls, (tcbp)); \ 36 INTERNAL_SYSCALL_ERROR_P (result_var) \ 37 ? "unknown error" : NULL; }) 38 39 #endif /* __ASSEMBLER__ */ 40 41 #endif /* tls.h */ 42