1 /* Copyright (C) 2002, 2007 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3 
4    The GNU C Library is free software; you can redistribute it and/or
5    modify it under the terms of the GNU Lesser General Public
6    License as published by the Free Software Foundation; either
7    version 2.1 of the License, or (at your option) any later version.
8 
9    The GNU C Library is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    Lesser General Public License for more details.
13 
14    You should have received a copy of the GNU Lesser General Public
15    License along with the GNU C Library; if not, see
16    <http://www.gnu.org/licenses/>.  */
17 
18 /* Taken verbatim from Linux 2.6 (include/linux/personality.h).  */
19 
20 #ifndef _SYS_PERSONALITY_H
21 #define _SYS_PERSONALITY_H 1
22 
23 #include <features.h>
24 
25 /* Flags for bug emulation.
26    These occupy the top three bytes.  */
27 enum
28   {
29     ADDR_NO_RANDOMIZE = 0x0040000,
30     MMAP_PAGE_ZERO = 0x0100000,
31     ADDR_COMPAT_LAYOUT = 0x0200000,
32     READ_IMPLIES_EXEC = 0x0400000,
33     ADDR_LIMIT_32BIT = 0x0800000,
34     SHORT_INODE = 0x1000000,
35     WHOLE_SECONDS = 0x2000000,
36     STICKY_TIMEOUTS = 0x4000000,
37     ADDR_LIMIT_3GB = 	0x8000000
38   };
39 
40 /* Personality types.
41 
42    These go in the low byte.  Avoid using the top bit, it will
43    conflict with error returns.  */
44 enum
45   {
46     PER_LINUX = 0x0000,
47     PER_LINUX_32BIT = 0x0000 | ADDR_LIMIT_32BIT,
48     PER_SVR4 = 0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
49     PER_SVR3 = 0x0002 | STICKY_TIMEOUTS | SHORT_INODE,
50     PER_SCOSVR3 = 0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS | SHORT_INODE,
51     PER_OSR5 = 0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS,
52     PER_WYSEV386 = 0x0004 | STICKY_TIMEOUTS | SHORT_INODE,
53     PER_ISCR4 = 0x0005 | STICKY_TIMEOUTS,
54     PER_BSD = 0x0006,
55     PER_SUNOS = 0x0006 | STICKY_TIMEOUTS,
56     PER_XENIX = 0x0007 | STICKY_TIMEOUTS | SHORT_INODE,
57     PER_LINUX32 = 0x0008,
58     PER_LINUX32_3GB = 0x0008 | ADDR_LIMIT_3GB,
59     PER_IRIX32 = 0x0009 | STICKY_TIMEOUTS,	/* IRIX5 32-bit */
60     PER_IRIXN32 = 0x000a | STICKY_TIMEOUTS,	/* IRIX6 new 32-bit */
61     PER_IRIX64 = 0x000b | STICKY_TIMEOUTS,	/* IRIX6 64-bit */
62     PER_RISCOS = 0x000c,
63     PER_SOLARIS = 0x000d | STICKY_TIMEOUTS,
64     PER_UW7 = 0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
65     PER_OSF4 = 0x000f,
66     PER_HPUX = 0x0010,
67     PER_MASK = 0x00ff,
68   };
69 
70 __BEGIN_DECLS
71 
72 /* Set different ABIs (personalities).  */
73 extern int personality (unsigned long int __persona) __THROW;
74 
75 __END_DECLS
76 
77 #endif /* sys/personality.h */
78