1#ifndef _UAPI_LINUX_PERSONALITY_H
2#define _UAPI_LINUX_PERSONALITY_H
3
4
5/*
6 * Flags for bug emulation.
7 *
8 * These occupy the top three bytes.
9 */
10enum {
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 */
41enum {
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 /* _UAPI_LINUX_PERSONALITY_H */
70