1*f80ad8b4SAndroid Build Coastguard Worker /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*f80ad8b4SAndroid Build Coastguard Worker #ifndef _UAPI_LINUX_PERSONALITY_H 3*f80ad8b4SAndroid Build Coastguard Worker #define _UAPI_LINUX_PERSONALITY_H 4*f80ad8b4SAndroid Build Coastguard Worker 5*f80ad8b4SAndroid Build Coastguard Worker 6*f80ad8b4SAndroid Build Coastguard Worker /* 7*f80ad8b4SAndroid Build Coastguard Worker * Flags for bug emulation. 8*f80ad8b4SAndroid Build Coastguard Worker * 9*f80ad8b4SAndroid Build Coastguard Worker * These occupy the top three bytes. 10*f80ad8b4SAndroid Build Coastguard Worker */ 11*f80ad8b4SAndroid Build Coastguard Worker enum { 12*f80ad8b4SAndroid Build Coastguard Worker UNAME26 = 0x0020000, 13*f80ad8b4SAndroid Build Coastguard Worker ADDR_NO_RANDOMIZE = 0x0040000, /* disable randomization of VA space */ 14*f80ad8b4SAndroid Build Coastguard Worker FDPIC_FUNCPTRS = 0x0080000, /* userspace function ptrs point to descriptors 15*f80ad8b4SAndroid Build Coastguard Worker * (signal handling) 16*f80ad8b4SAndroid Build Coastguard Worker */ 17*f80ad8b4SAndroid Build Coastguard Worker MMAP_PAGE_ZERO = 0x0100000, 18*f80ad8b4SAndroid Build Coastguard Worker ADDR_COMPAT_LAYOUT = 0x0200000, 19*f80ad8b4SAndroid Build Coastguard Worker READ_IMPLIES_EXEC = 0x0400000, 20*f80ad8b4SAndroid Build Coastguard Worker ADDR_LIMIT_32BIT = 0x0800000, 21*f80ad8b4SAndroid Build Coastguard Worker SHORT_INODE = 0x1000000, 22*f80ad8b4SAndroid Build Coastguard Worker WHOLE_SECONDS = 0x2000000, 23*f80ad8b4SAndroid Build Coastguard Worker STICKY_TIMEOUTS = 0x4000000, 24*f80ad8b4SAndroid Build Coastguard Worker ADDR_LIMIT_3GB = 0x8000000, 25*f80ad8b4SAndroid Build Coastguard Worker }; 26*f80ad8b4SAndroid Build Coastguard Worker 27*f80ad8b4SAndroid Build Coastguard Worker /* 28*f80ad8b4SAndroid Build Coastguard Worker * Security-relevant compatibility flags that must be 29*f80ad8b4SAndroid Build Coastguard Worker * cleared upon setuid or setgid exec: 30*f80ad8b4SAndroid Build Coastguard Worker */ 31*f80ad8b4SAndroid Build Coastguard Worker #define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC | \ 32*f80ad8b4SAndroid Build Coastguard Worker ADDR_NO_RANDOMIZE | \ 33*f80ad8b4SAndroid Build Coastguard Worker ADDR_COMPAT_LAYOUT | \ 34*f80ad8b4SAndroid Build Coastguard Worker MMAP_PAGE_ZERO) 35*f80ad8b4SAndroid Build Coastguard Worker 36*f80ad8b4SAndroid Build Coastguard Worker /* 37*f80ad8b4SAndroid Build Coastguard Worker * Personality types. 38*f80ad8b4SAndroid Build Coastguard Worker * 39*f80ad8b4SAndroid Build Coastguard Worker * These go in the low byte. Avoid using the top bit, it will 40*f80ad8b4SAndroid Build Coastguard Worker * conflict with error returns. 41*f80ad8b4SAndroid Build Coastguard Worker */ 42*f80ad8b4SAndroid Build Coastguard Worker enum { 43*f80ad8b4SAndroid Build Coastguard Worker PER_LINUX = 0x0000, 44*f80ad8b4SAndroid Build Coastguard Worker PER_LINUX_32BIT = 0x0000 | ADDR_LIMIT_32BIT, 45*f80ad8b4SAndroid Build Coastguard Worker PER_LINUX_FDPIC = 0x0000 | FDPIC_FUNCPTRS, 46*f80ad8b4SAndroid Build Coastguard Worker PER_SVR4 = 0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO, 47*f80ad8b4SAndroid Build Coastguard Worker PER_SVR3 = 0x0002 | STICKY_TIMEOUTS | SHORT_INODE, 48*f80ad8b4SAndroid Build Coastguard Worker PER_SCOSVR3 = 0x0003 | STICKY_TIMEOUTS | 49*f80ad8b4SAndroid Build Coastguard Worker WHOLE_SECONDS | SHORT_INODE, 50*f80ad8b4SAndroid Build Coastguard Worker PER_OSR5 = 0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS, 51*f80ad8b4SAndroid Build Coastguard Worker PER_WYSEV386 = 0x0004 | STICKY_TIMEOUTS | SHORT_INODE, 52*f80ad8b4SAndroid Build Coastguard Worker PER_ISCR4 = 0x0005 | STICKY_TIMEOUTS, 53*f80ad8b4SAndroid Build Coastguard Worker PER_BSD = 0x0006, 54*f80ad8b4SAndroid Build Coastguard Worker PER_SUNOS = 0x0006 | STICKY_TIMEOUTS, 55*f80ad8b4SAndroid Build Coastguard Worker PER_XENIX = 0x0007 | STICKY_TIMEOUTS | SHORT_INODE, 56*f80ad8b4SAndroid Build Coastguard Worker PER_LINUX32 = 0x0008, 57*f80ad8b4SAndroid Build Coastguard Worker PER_LINUX32_3GB = 0x0008 | ADDR_LIMIT_3GB, 58*f80ad8b4SAndroid Build Coastguard Worker PER_IRIX32 = 0x0009 | STICKY_TIMEOUTS,/* IRIX5 32-bit */ 59*f80ad8b4SAndroid Build Coastguard Worker PER_IRIXN32 = 0x000a | STICKY_TIMEOUTS,/* IRIX6 new 32-bit */ 60*f80ad8b4SAndroid Build Coastguard Worker PER_IRIX64 = 0x000b | STICKY_TIMEOUTS,/* IRIX6 64-bit */ 61*f80ad8b4SAndroid Build Coastguard Worker PER_RISCOS = 0x000c, 62*f80ad8b4SAndroid Build Coastguard Worker PER_SOLARIS = 0x000d | STICKY_TIMEOUTS, 63*f80ad8b4SAndroid Build Coastguard Worker PER_UW7 = 0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO, 64*f80ad8b4SAndroid Build Coastguard Worker PER_OSF4 = 0x000f, /* OSF/1 v4 */ 65*f80ad8b4SAndroid Build Coastguard Worker PER_HPUX = 0x0010, 66*f80ad8b4SAndroid Build Coastguard Worker PER_MASK = 0x00ff, 67*f80ad8b4SAndroid Build Coastguard Worker }; 68*f80ad8b4SAndroid Build Coastguard Worker 69*f80ad8b4SAndroid Build Coastguard Worker 70*f80ad8b4SAndroid Build Coastguard Worker #endif /* _UAPI_LINUX_PERSONALITY_H */ 71