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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.

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          --- old/usr/src/uts/common/exec/elf/elf_impl.h
          +++ new/usr/src/uts/common/exec/elf/elf_impl.h
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  19   19   * CDDL HEADER END
  20   20   */
  21   21  /*
  22   22   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  23   23   * Use is subject to license terms.
  24   24   */
  25   25  
  26   26  #ifndef _ELF_ELF_IMPL_H
  27   27  #define _ELF_ELF_IMPL_H
  28   28  
  29      -#pragma ident   "%Z%%M% %I%     %E% SMI"
  30      -
  31   29  #ifdef  __cplusplus
  32   30  extern "C" {
  33   31  #endif
  34   32  
  35   33  #if     !defined(_LP64) || defined(_ELF32_COMPAT)
  36   34  
  37   35  /*
  38   36   * Definitions for ELF32, native 32-bit or 32-bit compatibility mode.
  39   37   */
  40   38  #define ELFCLASS        ELFCLASS32
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