[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / arm / init-first.c

/* Initialization code run first thing by the ELF startup code.  Linux/ARM.
   Copyright (C) 2015-2019 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/>.  */

#include <dl-vdso.h>
#include <libc-vdso.h>
#include <sysdep-vdso.h>

int (*VDSO_SYMBOL(gettimeofday)) (struct timeval *, void *) attribute_hidden;
int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *);

static inline void
_libc_vdso_platform_setup (void)
{
  PREPARE_VERSION_KNOWN (linux26, LINUX_2_6);

  void *p = _dl_vdso_vsym ("__vdso_gettimeofday", &linux26);
  PTR_MANGLE (p);
  VDSO_SYMBOL (gettimeofday) = p;

  p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux26);
  PTR_MANGLE (p);
  VDSO_SYMBOL (clock_gettime) = p;
}

#define VDSO_SETUP _libc_vdso_platform_setup

#include <csu/init-first.c>
Commit	Line	Data
b65d3e5f	1	/* Initialization code run first thing by the ELF startup code. Linux/ARM.
04277e02	2	Copyright (C) 2015-2019 Free Software Foundation, Inc.
b65d3e5f NL	3
	4	This file is part of the GNU C Library.
	5
	6	The GNU C Library is free software; you can redistribute it and/or
	7	modify it under the terms of the GNU Lesser General Public License as
	8	published by the Free Software Foundation; either version 2.1 of the
	9	License, or (at your option) any later version.
	10
	11	The GNU C Library is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	Lesser General Public License for more details.
	15
	16	You should have received a copy of the GNU Lesser General Public
	17	License along with the GNU C Library; if not, see
5a82c748	18	<https://www.gnu.org/licenses/>. */
b65d3e5f	19
6af956e5 RÁE	20	#include <dl-vdso.h>
	21	#include <libc-vdso.h>
	22	#include <sysdep-vdso.h>
b65d3e5f NL	23
	24	int (VDSO_SYMBOL(gettimeofday)) (struct timeval , void *) attribute_hidden;
	25	int (VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec );
	26
	27	static inline void
	28	_libc_vdso_platform_setup (void)
	29	{
	30	PREPARE_VERSION_KNOWN (linux26, LINUX_2_6);
	31
	32	void *p = _dl_vdso_vsym ("__vdso_gettimeofday", &linux26);
	33	PTR_MANGLE (p);
	34	VDSO_SYMBOL (gettimeofday) = p;
	35
	36	p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux26);
	37	PTR_MANGLE (p);
	38	VDSO_SYMBOL (clock_gettime) = p;
	39	}
	40
6af956e5	41	#define VDSO_SETUP _libc_vdso_platform_setup
b65d3e5f NL	42
b65d3e5f NL	43	#include <csu/init-first.c>