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/* Definition for thread-local data handling. ARM/Linux version.
Copyright (C) 2005-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#ifndef _LINUX_ARM_TLS_H
#define _LINUX_ARM_TLS_H 1
/* Almost everything is OS-independent and common for all NPTL on ARM. */
#include <sysdeps/arm/nptl/tls.h>
#ifndef __ASSEMBLER__
/* Get system call information. */
# include <sysdep.h>
/* Code to initially initialize the thread pointer. This might need
special attention since 'errno' is not yet available and if the
operation can cause a failure 'errno' must not be touched. */
# define TLS_INIT_TP(tcbp) \
({ INTERNAL_SYSCALL_DECL (err); \
long int result_var; \
result_var = INTERNAL_SYSCALL_ARM (set_tls, err, 1, (tcbp)); \
INTERNAL_SYSCALL_ERROR_P (result_var, err) \
? "unknown error" : NULL; })
#endif /* __ASSEMBLER__ */
#endif /* tls.h */
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