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/* Resolve function pointers to VDSO functions.
Copyright (C) 2010-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010.
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 _M68K_VDSO_H
#define _M68K_VDSO_H
#ifdef SHARED
# if IS_IN (rtld)
# define M68K_VDSO_SYMBOL(name) __rtld_##name
# define STR_M68K_VDSO_SYMBOL(name) "__rtld_" #name
# else
# define M68K_VDSO_SYMBOL(name) name
# define STR_M68K_VDSO_SYMBOL(name) #name
# endif
# ifndef __ASSEMBLER__
/* We define __rtld_* copies for rtld.
We need them visible in libc to initialize. */
# if IS_IN (rtld) || IS_IN (libc)
extern void *__rtld___vdso_read_tp;
extern void *__rtld___vdso_atomic_cmpxchg_32;
extern void *__rtld___vdso_atomic_barrier;
/* These stubs are meant to be invoked only from the assembly. */
extern void __vdso_read_tp_stub (void);
extern void __vdso_atomic_cmpxchg_32_stub (void);
extern void __vdso_atomic_barrier_stub (void);
# endif /* IS_IN (rtld) || IS_IN (libc) */
/* RTLD should only use its own copies. */
# if !IS_IN (rtld)
extern void *__vdso_read_tp;
extern void *__vdso_atomic_cmpxchg_32;
extern void *__vdso_atomic_barrier;
# endif /* !IS_IN (rtld) */
# endif /* !__ASSEMBLER__ */
#endif /* SHARED */
#endif /* _M68K_VDSO_H */
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