]> git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/unix/sysv/linux/powerpc/init-first.c
PowerPC: Change sched_getcpu to use vDSO getcpu instead of syscall.
[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / powerpc / init-first.c
1 /* Initialization code run first thing by the ELF startup code. Linux/PowerPC.
2 Copyright (C) 2007-2013 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 <http://www.gnu.org/licenses/>. */
18
19 #ifdef SHARED
20 # include <dl-vdso.h>
21 # undef __gettimeofday
22 # undef __clock_gettime
23 # undef __clock_getres
24 # include <bits/libc-vdso.h>
25
26 void *__vdso_gettimeofday attribute_hidden;
27 void *__vdso_clock_gettime;
28 void *__vdso_clock_getres;
29 void *__vdso_get_tbfreq;
30 void *__vdso_getcpu;
31
32
33 static inline void
34 _libc_vdso_platform_setup (void)
35 {
36 PREPARE_VERSION (linux2615, "LINUX_2.6.15", 123718565);
37
38 __vdso_gettimeofday = _dl_vdso_vsym ("__kernel_gettimeofday", &linux2615);
39
40 __vdso_clock_gettime = _dl_vdso_vsym ("__kernel_clock_gettime", &linux2615);
41
42 __vdso_clock_getres = _dl_vdso_vsym ("__kernel_clock_getres", &linux2615);
43
44 __vdso_get_tbfreq = _dl_vdso_vsym ("__kernel_vdso_get_tbfreq", &linux2615);
45
46 __vdso_getcpu = _dl_vdso_vsym ("__kernel_getcpu", &linux2615);
47 }
48
49 # define VDSO_SETUP _libc_vdso_platform_setup
50 #endif
51
52 #include <csu/init-first.c>