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glibc  2.9
ldsodefs.h
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00001 /* Run-time dynamic linker data structures for loaded ELF shared objects.
00002    Copyright (C) 2001, 2002, 2003, 2006 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #ifndef       _LDSODEFS_H
00021 
00022 #include <kernel-features.h>
00023 
00024 /* Get the real definitions.  */
00025 #include_next <ldsodefs.h>
00026 
00027 /* Now define our stuff.  */
00028 
00029 /* We have the auxiliary vector.  */
00030 #define HAVE_AUX_VECTOR
00031 
00032 /* Used by static binaries to check the auxiliary vector.  */
00033 extern void _dl_aux_init (ElfW(auxv_t) *av) internal_function;
00034 
00035 /* Initialization which is normally done by the dynamic linker.  */
00036 extern void _dl_non_dynamic_init (void) internal_function;
00037 
00038 /* We can assume that the kernel always provides the AT_UID, AT_EUID,
00039    AT_GID, and AT_EGID values in the auxiliary vector from 2.4.0 or so on.  */
00040 #if __ASSUME_AT_XID
00041 # define HAVE_AUX_XID
00042 #endif
00043 
00044 /* We can assume that the kernel always provides the AT_SECURE value
00045    in the auxiliary vector from 2.5.74 or so on.  */
00046 #if __ASSUME_AT_SECURE
00047 # define HAVE_AUX_SECURE
00048 #endif
00049 
00050 /* Starting with one of the 2.4.0 pre-releases the Linux kernel passes
00051    up the page size information.  */
00052 #if __ASSUME_AT_PAGESIZE
00053 # define HAVE_AUX_PAGESIZE
00054 #endif
00055 
00056 #endif /* ldsodefs.h */