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[android-sdk/platform-bionic.git] / libc / kernel / common / linux / personality.h
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
15 struct exec_domain;
16 struct pt_regs;
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 };
31 #define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC|ADDR_NO_RANDOMIZE)
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 };
60 typedef void (*handler_t)(int, struct pt_regs *);
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 };
77 #define personality(pers) (pers & PER_MASK)
79 #define get_personality (current->personality)
81 #define set_personality(pers)   ((current->personality == pers) ? 0 : __set_personality(pers))
83 #endif