glibc/sysdeps/unix/sysv/linux/sparc/init-first.c
David S. Miller 94a3a27f5d Add VDSO support to sparc.
* sysdeps/unix/sysv/linux/sparc/init-first.c: New file.
	* sysdeps/unix/sysv/linux/sparc/libc-vdso.h: New file.
	* sysdeps/unix/sysv/linux/sparc/Makefile: Add dl-vdso to
	sysdep_routines in subdir elf.
	* sysdeps/unix/sysv/linux/sparc/Versions: Add GLIBC_PRIVATE
	version for __vdso_clock_gettime.
	* sysdeps/unix/sysv/linux/sparc/sysdep.h (INTERNAL_VSYSCALL_CALL):
	Define.
	(HAVE_CLOCK_GETTIME_VSYSCALL): Define.
	(HAVE_GETTIMEOFDAY_VSYSCALL): Define.
2018-10-18 11:44:32 -07:00

47 lines
1.4 KiB
C

/* SPARC VDSO initialization
Copyright (C) 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/>. */
#ifdef SHARED
# include <dl-vdso.h>
# include <libc-vdso.h>
long int (*VDSO_SYMBOL (gettimeofday)) (struct timeval *, void *)
attribute_hidden;
long int (*VDSO_SYMBOL (clock_gettime)) (clockid_t, struct timespec *)
attribute_hidden;
static inline void
_libc_vdso_platform_setup (void)
{
PREPARE_VERSION_KNOWN (linux_version, LINUX_2_6);
void *p = _dl_vdso_vsym ("__vdso_gettimeofday", &linux_version);
PTR_MANGLE (p);
VDSO_SYMBOL (gettimeofday) = p;
p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux_version);
PTR_MANGLE (p);
VDSO_SYMBOL (clock_gettime) = p;
}
# define VDSO_SETUP _libc_vdso_platform_setup
#endif
#include <csu/init-first.c>