sysdeps/ia64/stackinfo.h

   1 /* Copyright (C) 2001, 2010 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 /* This file contains a bit of information about the stack allocation
  20    of the processor.  */
  21
  22 #ifndef _STACKINFO_H
  23 #define _STACKINFO_H    1
  24
  25 #include <elf.h>
  26
  27 /* On IA-64 the stack grows down.  The register stack is of no concern
  28    here.  */
  29 #define _STACK_GROWS_DOWN       1
  30
  31 /* Default to an executable stack.  PF_X can be overridden if PT_GNU_STACK is
  32  * present, but it is presumed absent.  */
  33 #define DEFAULT_STACK_PERMS (PF_R|PF_W|PF_X)
  34
  35 #endif  /* stackinfo.h */