1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
2 | #ifndef _UAPI_LINUX_PERSONALITY_H |
3 | #define _UAPI_LINUX_PERSONALITY_H |
4 | |
5 | |
6 | /* |
7 | * Flags for bug emulation. |
8 | * |
9 | * These occupy the top three bytes. |
10 | */ |
11 | enum { |
12 | UNAME26 = 0x0020000, |
13 | ADDR_NO_RANDOMIZE = 0x0040000, /* disable randomization of VA space */ |
14 | FDPIC_FUNCPTRS = 0x0080000, /* userspace function ptrs point to descriptors |
15 | * (signal handling) |
16 | */ |
17 | MMAP_PAGE_ZERO = 0x0100000, |
18 | ADDR_COMPAT_LAYOUT = 0x0200000, |
19 | READ_IMPLIES_EXEC = 0x0400000, |
20 | ADDR_LIMIT_32BIT = 0x0800000, |
21 | SHORT_INODE = 0x1000000, |
22 | WHOLE_SECONDS = 0x2000000, |
23 | STICKY_TIMEOUTS = 0x4000000, |
24 | ADDR_LIMIT_3GB = 0x8000000, |
25 | }; |
26 | |
27 | /* |
28 | * Security-relevant compatibility flags that must be |
29 | * cleared upon setuid or setgid exec: |
30 | */ |
31 | #define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC | \ |
32 | ADDR_NO_RANDOMIZE | \ |
33 | ADDR_COMPAT_LAYOUT | \ |
34 | MMAP_PAGE_ZERO) |
35 | |
36 | /* |
37 | * Personality types. |
38 | * |
39 | * These go in the low byte. Avoid using the top bit, it will |
40 | * conflict with error returns. |
41 | */ |
42 | enum { |
43 | PER_LINUX = 0x0000, |
44 | PER_LINUX_32BIT = 0x0000 | ADDR_LIMIT_32BIT, |
45 | PER_LINUX_FDPIC = 0x0000 | FDPIC_FUNCPTRS, |
46 | PER_SVR4 = 0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO, |
47 | PER_SVR3 = 0x0002 | STICKY_TIMEOUTS | SHORT_INODE, |
48 | PER_SCOSVR3 = 0x0003 | STICKY_TIMEOUTS | |
49 | WHOLE_SECONDS | SHORT_INODE, |
50 | PER_OSR5 = 0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS, |
51 | PER_WYSEV386 = 0x0004 | STICKY_TIMEOUTS | SHORT_INODE, |
52 | PER_ISCR4 = 0x0005 | STICKY_TIMEOUTS, |
53 | PER_BSD = 0x0006, |
54 | PER_SUNOS = 0x0006 | STICKY_TIMEOUTS, |
55 | PER_XENIX = 0x0007 | STICKY_TIMEOUTS | SHORT_INODE, |
56 | PER_LINUX32 = 0x0008, |
57 | PER_LINUX32_3GB = 0x0008 | ADDR_LIMIT_3GB, |
58 | PER_IRIX32 = 0x0009 | STICKY_TIMEOUTS,/* IRIX5 32-bit */ |
59 | PER_IRIXN32 = 0x000a | STICKY_TIMEOUTS,/* IRIX6 new 32-bit */ |
60 | PER_IRIX64 = 0x000b | STICKY_TIMEOUTS,/* IRIX6 64-bit */ |
61 | PER_RISCOS = 0x000c, |
62 | PER_SOLARIS = 0x000d | STICKY_TIMEOUTS, |
63 | PER_UW7 = 0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO, |
64 | PER_OSF4 = 0x000f, /* OSF/1 v4 */ |
65 | PER_HPUX = 0x0010, |
66 | PER_MASK = 0x00ff, |
67 | }; |
68 | |
69 | |
70 | #endif /* _UAPI_LINUX_PERSONALITY_H */ |
71 | |