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      1 /****************************************************************************
      2  ****************************************************************************
      3  ***
      4  ***   This header was automatically generated from a Linux kernel header
      5  ***   of the same name, to make information necessary for userspace to
      6  ***   call into the kernel available to libc.  It contains only constants,
      7  ***   structures, and macros generated from the original header, and thus,
      8  ***   contains no copyrightable information.
      9  ***
     10  ****************************************************************************
     11  ****************************************************************************/
     12 #ifndef _LINUX_PERSONALITY_H
     13 #define _LINUX_PERSONALITY_H
     14 
     15 struct exec_domain;
     16 struct pt_regs;
     17 
     18 enum {
     19  ADDR_NO_RANDOMIZE = 0x0040000,
     20  FDPIC_FUNCPTRS = 0x0080000,
     21  MMAP_PAGE_ZERO = 0x0100000,
     22  ADDR_COMPAT_LAYOUT = 0x0200000,
     23  READ_IMPLIES_EXEC = 0x0400000,
     24  ADDR_LIMIT_32BIT = 0x0800000,
     25  SHORT_INODE = 0x1000000,
     26  WHOLE_SECONDS = 0x2000000,
     27  STICKY_TIMEOUTS = 0x4000000,
     28  ADDR_LIMIT_3GB = 0x8000000,
     29 };
     30 
     31 #define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC|ADDR_NO_RANDOMIZE)
     32 
     33 enum {
     34  PER_LINUX = 0x0000,
     35  PER_LINUX_32BIT = 0x0000 | ADDR_LIMIT_32BIT,
     36  PER_LINUX_FDPIC = 0x0000 | FDPIC_FUNCPTRS,
     37  PER_SVR4 = 0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
     38  PER_SVR3 = 0x0002 | STICKY_TIMEOUTS | SHORT_INODE,
     39  PER_SCOSVR3 = 0x0003 | STICKY_TIMEOUTS |
     40  WHOLE_SECONDS | SHORT_INODE,
     41  PER_OSR5 = 0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS,
     42  PER_WYSEV386 = 0x0004 | STICKY_TIMEOUTS | SHORT_INODE,
     43  PER_ISCR4 = 0x0005 | STICKY_TIMEOUTS,
     44  PER_BSD = 0x0006,
     45  PER_SUNOS = 0x0006 | STICKY_TIMEOUTS,
     46  PER_XENIX = 0x0007 | STICKY_TIMEOUTS | SHORT_INODE,
     47  PER_LINUX32 = 0x0008,
     48  PER_LINUX32_3GB = 0x0008 | ADDR_LIMIT_3GB,
     49  PER_IRIX32 = 0x0009 | STICKY_TIMEOUTS,
     50  PER_IRIXN32 = 0x000a | STICKY_TIMEOUTS,
     51  PER_IRIX64 = 0x000b | STICKY_TIMEOUTS,
     52  PER_RISCOS = 0x000c,
     53  PER_SOLARIS = 0x000d | STICKY_TIMEOUTS,
     54  PER_UW7 = 0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
     55  PER_OSF4 = 0x000f,
     56  PER_HPUX = 0x0010,
     57  PER_MASK = 0x00ff,
     58 };
     59 
     60 typedef void (*handler_t)(int, struct pt_regs *);
     61 
     62 struct exec_domain {
     63  const char *name;
     64  handler_t handler;
     65  unsigned char pers_low;
     66  unsigned char pers_high;
     67  unsigned long *signal_map;
     68  unsigned long *signal_invmap;
     69  struct map_segment *err_map;
     70  struct map_segment *socktype_map;
     71  struct map_segment *sockopt_map;
     72  struct map_segment *af_map;
     73  struct module *module;
     74  struct exec_domain *next;
     75 };
     76 
     77 #define personality(pers) (pers & PER_MASK)
     78 
     79 #define get_personality (current->personality)
     80 
     81 #define set_personality(pers)   ((current->personality == pers) ? 0 : __set_personality(pers))
     82 
     83 #endif
     84