cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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personality.h (2112B)

      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2#ifndef _UAPI_LINUX_PERSONALITY_H
      3#define _UAPI_LINUX_PERSONALITY_H
      4
      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 descriptors
     15						 * (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 be
     29 * 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 will
     40 * 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 */