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/*
* $FreeBSD$
*/
#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 */
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