glibc/sysdeps/unix/sysv/linux/ldsodefs.h
Jakub Jelinek 0ecb606cb6 2.5-18.1
2007-07-12 18:26:36 +00:00

57 lines
1.9 KiB
C

/* Run-time dynamic linker data structures for loaded ELF shared objects.
Copyright (C) 2001, 2002, 2003 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _LDSODEFS_H
#include "kernel-features.h"
/* Get the real definitions. */
#include_next <ldsodefs.h>
/* Now define our stuff. */
/* We have the auxiliary vector. */
#define HAVE_AUX_VECTOR
/* Used by static binaries to check the auxiliary vector. */
extern void _dl_aux_init (ElfW(auxv_t) *av) internal_function;
/* Initialization which is normally done by the dynamic linker. */
extern void _dl_non_dynamic_init (void) internal_function;
/* We can assume that the kernel always provides the AT_UID, AT_EUID,
AT_GID, and AT_EGID values in the auxiliary vector from 2.4.0 or so on. */
#if __ASSUME_AT_XID
# define HAVE_AUX_XID
#endif
/* We can assume that the kernel always provides the AT_SECURE value
in the auxiliary vector from 2.5.74 or so on. */
#if __ASSUME_AT_SECURE
# define HAVE_AUX_SECURE
#endif
/* Starting with one of the 2.4.0 pre-releases the Linux kernel passes
up the page size information. */
#if __ASSUME_AT_PAGESIZE
# define HAVE_AUX_PAGESIZE
#endif
#endif /* ldsodefs.h */