#ifndef LINUX_PERSONALITY_H
#define LINUX_PERSONALITY_H

/*
 * Flags for bug emulation.
 *
 * These occupy the top three bytes.
 */
enum {
        LINUX_UNAME26 =                 0x0020000,
        LINUX_ADDR_NO_RANDOMIZE =       0x0040000,      /* disable randomization
                                                         * of VA space
                                                         */
        LINUX_FDPIC_FUNCPTRS =          0x0080000,      /* userspace function
                                                         * ptrs point to descriptors
                                                         * (signal handling)
                                                         */
        LINUX_MMAP_PAGE_ZERO =          0x0100000,
        LINUX_ADDR_COMPAT_LAYOUT =      0x0200000,
        LINUX_READ_IMPLIES_EXEC =       0x0400000,
        LINUX_ADDR_LIMIT_32BIT =        0x0800000,
        LINUX_SHORT_INODE =             0x1000000,
        LINUX_WHOLE_SECONDS =           0x2000000,
        LINUX_STICKY_TIMEOUTS =         0x4000000,
        LINUX_ADDR_LIMIT_3GB =          0x8000000,
};

/*
 * Security-relevant compatibility flags that must be
 * cleared upon setuid or setgid exec:
 */
#define LINUX_PER_CLEAR_ON_SETID        (LINUX_READ_IMPLIES_EXEC  | \
                                        LINUX_ADDR_NO_RANDOMIZE  | \
                                        LINUX_ADDR_COMPAT_LAYOUT | \
                                        LINUX_MMAP_PAGE_ZERO)

/*
 * Personality types.
 *
 * These go in the low byte.  Avoid using the top bit, it will
 * conflict with error returns.
 */
enum {
        LINUX_PER_LINUX =       0x0000,
        LINUX_PER_LINUX_32BIT = 0x0000 | LINUX_ADDR_LIMIT_32BIT,
        LINUX_PER_LINUX_FDPIC = 0x0000 | LINUX_FDPIC_FUNCPTRS,
        LINUX_PER_LINUX32 =     0x0008,
        LINUX_PER_LINUX32_3GB = 0x0008 | LINUX_ADDR_LIMIT_3GB,
        LINUX_PER_MASK =        0x00ff,
};

#endif /* LINUX_PERSONALITY_H */