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/*
* hidden-visibility.h
* Create hidden internal aliases so we dont have wasteful relocs.
* Copyright 2007 Gentoo Foundation
* Released under the GPLv2
*/
#ifndef _HIDDEN_VISIBILITY_H_
#define _HIDDEN_VISIBILITY_H_
#if defined(__ELF__) && defined(__GNUC__)
# define __hidden_asmname(name) __hidden_asmname1 (__USER_LABEL_PREFIX__, name)
# define __hidden_asmname1(prefix, name) __hidden_asmname2(prefix, name)
# define __hidden_asmname2(prefix, name) #prefix name
# define __hidden_proto(name, internal) \
extern __typeof (name) name __asm__ (__hidden_asmname (#internal)) \
__attribute__ ((visibility ("hidden")));
# define __hidden_ver(local, internal, name) \
extern __typeof (name) __EI_##name __asm__(__hidden_asmname (#internal)); \
extern __typeof (name) __EI_##name __attribute__((alias (__hidden_asmname1 (,#local))))
# define hidden_proto(name) __hidden_proto(name, __RC_##name)
# define hidden_def(name) __hidden_ver(__RC_##name, name, name);
#else
# define hidden_proto(name)
# define hidden_def(name)
#endif
#endif
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