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/*
* Copyright 2003-2016 Gentoo Foundation
* Distributed under the terms of the GNU General Public License v2
*
* Copyright 2003-2012 Ned Ludd - <solar@gentoo.org>
* Copyright 2004-2016 Mike Frysinger - <vapier@gentoo.org>
*/
#ifndef _PAX_LDSO_H
#define _PAX_LDSO_H
/*
* ld.so.cache logic
*/
#if !defined(__GLIBC__) && \
!defined(__UCLIBC__)
# ifdef __ELF__
# warning Cache support not implemented for your target
# endif
# define PAX_LDSO_CACHE 0
#else
# define PAX_LDSO_CACHE 1
#endif
#if PAX_LDSO_CACHE
extern char *ldso_cache_lookup_lib(elfobj *elf, const char *fname);
#else
static inline char *ldso_cache_lookup_lib(__unused__ elfobj *elf, __unused__ const char *fname)
{
return NULL;
}
#endif
/*
* ld.so.conf logic
*/
#if !defined(__GLIBC__) && \
!defined(__UCLIBC__) && \
!defined(__NetBSD__) && \
!defined(__FreeBSD__) && \
!defined(__DragonFly__)
# ifdef __ELF__
# warning Cache config support not implemented for your target
# endif
# define PAX_LDSO_CONFIG 0
#else
# define PAX_LDSO_CONFIG 1
#endif
/* Consumers refer to ldpaths directly, so can't hide its def. */
extern array_t *ldpaths;
#if PAX_LDSO_CONFIG
extern int ldso_config_load(const char *fname);
#else
static inline int ldso_config_load(__unused__ const char *fname)
{
return 0;
}
#endif
#if PAX_LDSO_CACHE || PAX_LDSO_CONFIG
extern void paxldso_cleanup(void);
#else
# define paxldso_cleanup()
#endif
/* Path to ld.so.cache. Usually overridden for tests. */
extern const char *ldcache_path;
#endif
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