1*53ee8cc1Swenshuai.xi #ifndef _LINUX_PERSONALITY_H 2*53ee8cc1Swenshuai.xi #define _LINUX_PERSONALITY_H 3*53ee8cc1Swenshuai.xi 4*53ee8cc1Swenshuai.xi 5*53ee8cc1Swenshuai.xi /* 6*53ee8cc1Swenshuai.xi * Flags for bug emulation. 7*53ee8cc1Swenshuai.xi * 8*53ee8cc1Swenshuai.xi * These occupy the top three bytes. 9*53ee8cc1Swenshuai.xi */ 10*53ee8cc1Swenshuai.xi enum { 11*53ee8cc1Swenshuai.xi ADDR_NO_RANDOMIZE = 0x0040000, /* disable randomization of VA space */ 12*53ee8cc1Swenshuai.xi FDPIC_FUNCPTRS = 0x0080000, /* userspace function ptrs point to descriptors 13*53ee8cc1Swenshuai.xi * (signal handling) 14*53ee8cc1Swenshuai.xi */ 15*53ee8cc1Swenshuai.xi MMAP_PAGE_ZERO = 0x0100000, 16*53ee8cc1Swenshuai.xi ADDR_COMPAT_LAYOUT = 0x0200000, 17*53ee8cc1Swenshuai.xi READ_IMPLIES_EXEC = 0x0400000, 18*53ee8cc1Swenshuai.xi ADDR_LIMIT_32BIT = 0x0800000, 19*53ee8cc1Swenshuai.xi SHORT_INODE = 0x1000000, 20*53ee8cc1Swenshuai.xi WHOLE_SECONDS = 0x2000000, 21*53ee8cc1Swenshuai.xi STICKY_TIMEOUTS = 0x4000000, 22*53ee8cc1Swenshuai.xi ADDR_LIMIT_3GB = 0x8000000, 23*53ee8cc1Swenshuai.xi }; 24*53ee8cc1Swenshuai.xi 25*53ee8cc1Swenshuai.xi /* 26*53ee8cc1Swenshuai.xi * Security-relevant compatibility flags that must be 27*53ee8cc1Swenshuai.xi * cleared upon setuid or setgid exec: 28*53ee8cc1Swenshuai.xi */ 29*53ee8cc1Swenshuai.xi #define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC|ADDR_NO_RANDOMIZE) 30*53ee8cc1Swenshuai.xi 31*53ee8cc1Swenshuai.xi /* 32*53ee8cc1Swenshuai.xi * Personality types. 33*53ee8cc1Swenshuai.xi * 34*53ee8cc1Swenshuai.xi * These go in the low byte. Avoid using the top bit, it will 35*53ee8cc1Swenshuai.xi * conflict with error returns. 36*53ee8cc1Swenshuai.xi */ 37*53ee8cc1Swenshuai.xi enum { 38*53ee8cc1Swenshuai.xi PER_LINUX = 0x0000, 39*53ee8cc1Swenshuai.xi PER_LINUX_32BIT = 0x0000 | ADDR_LIMIT_32BIT, 40*53ee8cc1Swenshuai.xi PER_LINUX_FDPIC = 0x0000 | FDPIC_FUNCPTRS, 41*53ee8cc1Swenshuai.xi PER_SVR4 = 0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO, 42*53ee8cc1Swenshuai.xi PER_SVR3 = 0x0002 | STICKY_TIMEOUTS | SHORT_INODE, 43*53ee8cc1Swenshuai.xi PER_SCOSVR3 = 0x0003 | STICKY_TIMEOUTS | 44*53ee8cc1Swenshuai.xi WHOLE_SECONDS | SHORT_INODE, 45*53ee8cc1Swenshuai.xi PER_OSR5 = 0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS, 46*53ee8cc1Swenshuai.xi PER_WYSEV386 = 0x0004 | STICKY_TIMEOUTS | SHORT_INODE, 47*53ee8cc1Swenshuai.xi PER_ISCR4 = 0x0005 | STICKY_TIMEOUTS, 48*53ee8cc1Swenshuai.xi PER_BSD = 0x0006, 49*53ee8cc1Swenshuai.xi PER_SUNOS = 0x0006 | STICKY_TIMEOUTS, 50*53ee8cc1Swenshuai.xi PER_XENIX = 0x0007 | STICKY_TIMEOUTS | SHORT_INODE, 51*53ee8cc1Swenshuai.xi PER_LINUX32 = 0x0008, 52*53ee8cc1Swenshuai.xi PER_LINUX32_3GB = 0x0008 | ADDR_LIMIT_3GB, 53*53ee8cc1Swenshuai.xi PER_IRIX32 = 0x0009 | STICKY_TIMEOUTS,/* IRIX5 32-bit */ 54*53ee8cc1Swenshuai.xi PER_IRIXN32 = 0x000a | STICKY_TIMEOUTS,/* IRIX6 new 32-bit */ 55*53ee8cc1Swenshuai.xi PER_IRIX64 = 0x000b | STICKY_TIMEOUTS,/* IRIX6 64-bit */ 56*53ee8cc1Swenshuai.xi PER_RISCOS = 0x000c, 57*53ee8cc1Swenshuai.xi PER_SOLARIS = 0x000d | STICKY_TIMEOUTS, 58*53ee8cc1Swenshuai.xi PER_UW7 = 0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO, 59*53ee8cc1Swenshuai.xi PER_OSF4 = 0x000f, /* OSF/1 v4 */ 60*53ee8cc1Swenshuai.xi PER_HPUX = 0x0010, 61*53ee8cc1Swenshuai.xi PER_MASK = 0x00ff, 62*53ee8cc1Swenshuai.xi }; 63*53ee8cc1Swenshuai.xi 64*53ee8cc1Swenshuai.xi 65*53ee8cc1Swenshuai.xi #endif /* _LINUX_PERSONALITY_H */ 66