[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / arm / tls.h

/* Definition for thread-local data handling.  ARM/Linux version.
   Copyright (C) 2005-2018 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
   <http://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 */
Commit	Line	Data
46f1d8a6	1	/* Definition for thread-local data handling. ARM/Linux version.
688903eb	2	Copyright (C) 2005-2018 Free Software Foundation, Inc.
46f1d8a6 RM	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	<http://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	({ INTERNAL_SYSCALL_DECL (err); \
	35	long int result_var; \
	36	result_var = INTERNAL_SYSCALL_ARM (set_tls, err, 1, (tcbp)); \
	37	INTERNAL_SYSCALL_ERROR_P (result_var, err) \
	38	? "unknown error" : NULL; })
	39
	40	#endif /* __ASSEMBLER__ */
	41
	42	#endif /* tls.h */