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01: #ifndef _LINUX_PERSONALITY_H
02: #define _LINUX_PERSONALITY_H
03: 
04: 
05: /*
06:  * Flags for bug emulation.
07:  *
08:  * These occupy the top three bytes.
09:  */
10: enum {
11:         UNAME26 =               0x0020000,
12:         ADDR_NO_RANDOMIZE =     0x0040000,      /* disable randomization of VA space */
13:         FDPIC_FUNCPTRS =        0x0080000,      /* userspace function ptrs point to descriptors
14:                                                  * (signal handling)
15:                                                  */
16:         MMAP_PAGE_ZERO =        0x0100000,
17:         ADDR_COMPAT_LAYOUT =    0x0200000,
18:         READ_IMPLIES_EXEC =     0x0400000,
19:         ADDR_LIMIT_32BIT =      0x0800000,
20:         SHORT_INODE =           0x1000000,
21:         WHOLE_SECONDS =         0x2000000,
22:         STICKY_TIMEOUTS =       0x4000000,
23:         ADDR_LIMIT_3GB =        0x8000000,
24: };
25: 
26: /*
27:  * Security-relevant compatibility flags that must be
28:  * cleared upon setuid or setgid exec:
29:  */
30: #define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC  | \
31:                             ADDR_NO_RANDOMIZE  | \
32:                             ADDR_COMPAT_LAYOUT | \
33:                             MMAP_PAGE_ZERO)
34: 
35: /*
36:  * Personality types.
37:  *
38:  * These go in the low byte.  Avoid using the top bit, it will
39:  * conflict with error returns.
40:  */
41: enum {
42:         PER_LINUX =             0x0000,
43:         PER_LINUX_32BIT =       0x0000 | ADDR_LIMIT_32BIT,
44:         PER_LINUX_FDPIC =       0x0000 | FDPIC_FUNCPTRS,
45:         PER_SVR4 =              0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
46:         PER_SVR3 =              0x0002 | STICKY_TIMEOUTS | SHORT_INODE,
47:         PER_SCOSVR3 =           0x0003 | STICKY_TIMEOUTS |
48:                                          WHOLE_SECONDS | SHORT_INODE,
49:         PER_OSR5 =              0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS,
50:         PER_WYSEV386 =          0x0004 | STICKY_TIMEOUTS | SHORT_INODE,
51:         PER_ISCR4 =             0x0005 | STICKY_TIMEOUTS,
52:         PER_BSD =               0x0006,
53:         PER_SUNOS =             0x0006 | STICKY_TIMEOUTS,
54:         PER_XENIX =             0x0007 | STICKY_TIMEOUTS | SHORT_INODE,
55:         PER_LINUX32 =           0x0008,
56:         PER_LINUX32_3GB =       0x0008 | ADDR_LIMIT_3GB,
57:         PER_IRIX32 =            0x0009 | STICKY_TIMEOUTS,/* IRIX5 32-bit */
58:         PER_IRIXN32 =           0x000a | STICKY_TIMEOUTS,/* IRIX6 new 32-bit */
59:         PER_IRIX64 =            0x000b | STICKY_TIMEOUTS,/* IRIX6 64-bit */
60:         PER_RISCOS =            0x000c,
61:         PER_SOLARIS =           0x000d | STICKY_TIMEOUTS,
62:         PER_UW7 =               0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
63:         PER_OSF4 =              0x000f,                  /* OSF/1 v4 */
64:         PER_HPUX =              0x0010,
65:         PER_MASK =              0x00ff,
66: };
67: 
68: 
69: #endif /* _LINUX_PERSONALITY_H */
70: 

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