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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2#ifndef _UAPI_LINUX_PERSONALITY_H3#define _UAPI_LINUX_PERSONALITY_H4 5 6/*7 * Flags for bug emulation.8 *9 * These occupy the top three bytes.10 */11enum {12 UNAME26 = 0x0020000,13 ADDR_NO_RANDOMIZE = 0x0040000, /* disable randomization of VA space */14 FDPIC_FUNCPTRS = 0x0080000, /* userspace function ptrs point to descriptors15 * (signal handling)16 */17 MMAP_PAGE_ZERO = 0x0100000,18 ADDR_COMPAT_LAYOUT = 0x0200000,19 READ_IMPLIES_EXEC = 0x0400000,20 ADDR_LIMIT_32BIT = 0x0800000,21 SHORT_INODE = 0x1000000,22 WHOLE_SECONDS = 0x2000000,23 STICKY_TIMEOUTS = 0x4000000,24 ADDR_LIMIT_3GB = 0x8000000,25};26 27/*28 * Security-relevant compatibility flags that must be29 * cleared upon setuid or setgid exec:30 */31#define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC | \32 ADDR_NO_RANDOMIZE | \33 ADDR_COMPAT_LAYOUT | \34 MMAP_PAGE_ZERO)35 36/*37 * Personality types.38 *39 * These go in the low byte. Avoid using the top bit, it will40 * conflict with error returns.41 */42enum {43 PER_LINUX = 0x0000,44 PER_LINUX_32BIT = 0x0000 | ADDR_LIMIT_32BIT,45 PER_LINUX_FDPIC = 0x0000 | FDPIC_FUNCPTRS,46 PER_SVR4 = 0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,47 PER_SVR3 = 0x0002 | STICKY_TIMEOUTS | SHORT_INODE,48 PER_SCOSVR3 = 0x0003 | STICKY_TIMEOUTS |49 WHOLE_SECONDS | SHORT_INODE,50 PER_OSR5 = 0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS,51 PER_WYSEV386 = 0x0004 | STICKY_TIMEOUTS | SHORT_INODE,52 PER_ISCR4 = 0x0005 | STICKY_TIMEOUTS,53 PER_BSD = 0x0006,54 PER_SUNOS = 0x0006 | STICKY_TIMEOUTS,55 PER_XENIX = 0x0007 | STICKY_TIMEOUTS | SHORT_INODE,56 PER_LINUX32 = 0x0008,57 PER_LINUX32_3GB = 0x0008 | ADDR_LIMIT_3GB,58 PER_IRIX32 = 0x0009 | STICKY_TIMEOUTS,/* IRIX5 32-bit */59 PER_IRIXN32 = 0x000a | STICKY_TIMEOUTS,/* IRIX6 new 32-bit */60 PER_IRIX64 = 0x000b | STICKY_TIMEOUTS,/* IRIX6 64-bit */61 PER_RISCOS = 0x000c,62 PER_SOLARIS = 0x000d | STICKY_TIMEOUTS,63 PER_UW7 = 0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,64 PER_OSF4 = 0x000f, /* OSF/1 v4 */65 PER_HPUX = 0x0010,66 PER_MASK = 0x00ff,67};68 69 70#endif /* _UAPI_LINUX_PERSONALITY_H */71