| The Android Open Source Project | 1dc9e47 | 2009-03-03 19:28:35 -0800 | [diff] [blame] | 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 |
| 14 | |
| 15 | struct exec_domain; |
| 16 | struct pt_regs; |
| 17 | |
| 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 | }; |
| 30 | |
| 31 | #define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC|ADDR_NO_RANDOMIZE) |
| 32 | |
| 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 | }; |
| 59 | |
| 60 | typedef void (*handler_t)(int, struct pt_regs *); |
| 61 | |
| 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 | }; |
| 76 | |
| 77 | #define personality(pers) (pers & PER_MASK) |
| 78 | |
| 79 | #define get_personality (current->personality) |
| 80 | |
| 81 | #define set_personality(pers) ((current->personality == pers) ? 0 : __set_personality(pers)) |
| 82 | |
| 83 | #endif |