sysdeps/unix/sysv/linux/x86_64/x32/getcpu.c

   1 /* Copyright (C) 2012-2015 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #ifdef SHARED
  19 # include <dl-vdso.h>
  20
  21 void *getcpu_ifunc (void) __asm__ ("__getcpu");
  22
  23 void *
  24 getcpu_ifunc (void)
  25 {
  26   PREPARE_VERSION (linux26, "LINUX_2.6", 61765110);
  27
  28   return _dl_vdso_vsym ("__vdso_getcpu", &linux26);
  29 }
  30 __asm (".type __getcpu, %gnu_indirect_function");
  31 #endif