sysdeps/unix/sysv/linux/dl-sysdep.h

   1 /* System-specific settings for dynamic linker code.  Linux version.
   2    Copyright (C) 2005-2013 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include_next <dl-sysdep.h>
  20
  21 /* On many architectures the kernel provides a virtual DSO and gives
  22    AT_SYSINFO_EHDR to point us to it.  As this is introduced for new
  23    machines, we should look at it for unwind information even if
  24    we aren't making direct use of it.  So enable this across the board.  */
  25
  26 #define NEED_DL_SYSINFO_DSO     1
  27
  28
  29 #ifndef __ASSEMBLER__
  30 /* Get version of the OS.  */
  31 extern int _dl_discover_osversion (void) attribute_hidden;
  32 # define HAVE_DL_DISCOVER_OSVERSION     1
  33 #endif