| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| #ifndef _LINUX_PERSONALITY_H |
| #define _LINUX_PERSONALITY_H |
| |
| |
| /* |
| * Flags for bug emulation. |
| * |
| * These occupy the top three bytes. |
| */ |
| enum { |
| UNAME26 = 0x0020000, |
| ADDR_NO_RANDOMIZE = 0x0040000, /* disable randomization of VA space */ |
| FDPIC_FUNCPTRS = 0x0080000, /* userspace function ptrs point to descriptors |
| * (signal handling) |
| */ |
| MMAP_PAGE_ZERO = 0x0100000, |
| ADDR_COMPAT_LAYOUT = 0x0200000, |
| READ_IMPLIES_EXEC = 0x0400000, |
| ADDR_LIMIT_32BIT = 0x0800000, |
| SHORT_INODE = 0x1000000, |
| WHOLE_SECONDS = 0x2000000, |
| STICKY_TIMEOUTS = 0x4000000, |
| ADDR_LIMIT_3GB = 0x8000000, |
| }; |
| |
| /* |
| * Security-relevant compatibility flags that must be |
| * cleared upon setuid or setgid exec: |
| */ |
| #define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC | \ |
| ADDR_NO_RANDOMIZE | \ |
| ADDR_COMPAT_LAYOUT | \ |
| MMAP_PAGE_ZERO) |
| |
| /* |
| * Personality types. |
| * |
| * These go in the low byte. Avoid using the top bit, it will |
| * conflict with error returns. |
| */ |
| enum { |
| PER_LINUX = 0x0000, |
| PER_LINUX_32BIT = 0x0000 | ADDR_LIMIT_32BIT, |
| PER_LINUX_FDPIC = 0x0000 | FDPIC_FUNCPTRS, |
| PER_SVR4 = 0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO, |
| PER_SVR3 = 0x0002 | STICKY_TIMEOUTS | SHORT_INODE, |
| PER_SCOSVR3 = 0x0003 | STICKY_TIMEOUTS | |
| WHOLE_SECONDS | SHORT_INODE, |
| PER_OSR5 = 0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS, |
| PER_WYSEV386 = 0x0004 | STICKY_TIMEOUTS | SHORT_INODE, |
| PER_ISCR4 = 0x0005 | STICKY_TIMEOUTS, |
| PER_BSD = 0x0006, |
| PER_SUNOS = 0x0006 | STICKY_TIMEOUTS, |
| PER_XENIX = 0x0007 | STICKY_TIMEOUTS | SHORT_INODE, |
| PER_LINUX32 = 0x0008, |
| PER_LINUX32_3GB = 0x0008 | ADDR_LIMIT_3GB, |
| PER_IRIX32 = 0x0009 | STICKY_TIMEOUTS,/* IRIX5 32-bit */ |
| PER_IRIXN32 = 0x000a | STICKY_TIMEOUTS,/* IRIX6 new 32-bit */ |
| PER_IRIX64 = 0x000b | STICKY_TIMEOUTS,/* IRIX6 64-bit */ |
| PER_RISCOS = 0x000c, |
| PER_SOLARIS = 0x000d | STICKY_TIMEOUTS, |
| PER_UW7 = 0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO, |
| PER_OSF4 = 0x000f, /* OSF/1 v4 */ |
| PER_HPUX = 0x0010, |
| PER_MASK = 0x00ff, |
| }; |
| |
| |
| #endif /* _LINUX_PERSONALITY_H */ |
