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