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glibc  2.9
dl-sysdep.h
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00001 /* System-specific settings for dynamic linker code.  Hurd version.
00002    Copyright (C) 2002, 2005 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 /* The private errno doesn't make sense on the Hurd.  errno is always the
00021    thread-local slot shared with libc, and it matters to share the cell
00022    with libc because after startup we use libc functions that set errno
00023    (open, mmap, etc).  */
00024 
00025 #define RTLD_PRIVATE_ERRNO 0
00026 
00027 #ifdef SHARED
00028 /* _dl_argv cannot be attribute_relro, because the stack-switching
00029    libc initializer for using cthreads might write into it.  */
00030 # define DL_ARGV_NOT_RELRO 1
00031 #endif