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 84