7029 want per-process exploit mitigation features (secflags)
7030 want basic address space layout randomization (aslr)
7031 noexec_user_stack should be a secflag
7032 want a means to forbid mappings around NULL.

*** 21,31 ****
  
  /*
   * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
- #pragma ident   "%Z%%M% %I%     %E% SMI"
  
  #include <stdlib.h>
  #include <stdio.h>
  #include <string.h>
  #include <msg.h>
--- 21,30 ----
*** 118,128 ****
  }
  
  
  /*
   * Extract the given integer field, and return its value, cast
!  * to Word. Note that this operation must not be used on values
   * that can be negative, as information can be lost.
   */
  Lword
  sl_extract_as_lword(const char *data, int do_swap, const sl_field_t *fdesc)
  {
--- 117,127 ----
  }
  
  
  /*
   * Extract the given integer field, and return its value, cast
!  * to Lword. Note that this operation must not be used on values
   * that can be negative, as information can be lost.
   */
  Lword
  sl_extract_as_lword(const char *data, int do_swap, const sl_field_t *fdesc)
  {