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/* Resolve function pointers to VDSO functions.
Copyright (C) 2005-2013 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 _LIBC_VDSO_H
#define _LIBC_VDSO_H
#ifdef SHARED
extern void *__vdso_gettimeofday attribute_hidden;
extern void *__vdso_clock_gettime;
extern void *__vdso_clock_getres;
extern void *__vdso_get_tbfreq;
extern void *__vdso_getcpu;
extern void *__vdso_time;
/* This macro is needed for PPC64 to return a skeleton OPD entry of a vDSO
symbol. This works because _dl_vdso_vsym always return the function
address, and no vDSO symbols use the TOC or chain pointers from the OPD
so we can allow them to be garbage. */
#if defined(__PPC64__) || defined(__powerpc64__)
#define VDSO_IFUNC_RET(value) ((void *) &(value))
#else
#define VDSO_IFUNC_RET(value) ((void *) (value))
#endif
#endif
#endif /* _LIBC_VDSO_H */
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