2016-07-10 08:15:50 +00:00
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/*
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* $FreeBSD$
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*/
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#ifndef LINUX_PERSONALITY_H
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#define LINUX_PERSONALITY_H
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/*
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* Flags for bug emulation.
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*
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* These occupy the top three bytes.
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*/
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enum {
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LINUX_UNAME26 = 0x0020000,
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2018-02-05 17:29:12 +00:00
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LINUX_ADDR_NO_RANDOMIZE = 0x0040000, /* disable randomization
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2016-07-10 08:15:50 +00:00
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* of VA space
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*/
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LINUX_FDPIC_FUNCPTRS = 0x0080000, /* userspace function
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* ptrs point to descriptors
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* (signal handling)
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*/
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LINUX_MMAP_PAGE_ZERO = 0x0100000,
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LINUX_ADDR_COMPAT_LAYOUT = 0x0200000,
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LINUX_READ_IMPLIES_EXEC = 0x0400000,
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LINUX_ADDR_LIMIT_32BIT = 0x0800000,
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LINUX_SHORT_INODE = 0x1000000,
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LINUX_WHOLE_SECONDS = 0x2000000,
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LINUX_STICKY_TIMEOUTS = 0x4000000,
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LINUX_ADDR_LIMIT_3GB = 0x8000000,
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};
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/*
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* Security-relevant compatibility flags that must be
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* cleared upon setuid or setgid exec:
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*/
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#define LINUX_PER_CLEAR_ON_SETID (LINUX_READ_IMPLIES_EXEC | \
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LINUX_ADDR_NO_RANDOMIZE | \
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LINUX_ADDR_COMPAT_LAYOUT | \
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LINUX_MMAP_PAGE_ZERO)
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/*
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* Personality types.
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*
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* These go in the low byte. Avoid using the top bit, it will
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* conflict with error returns.
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*/
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enum {
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LINUX_PER_LINUX = 0x0000,
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LINUX_PER_LINUX_32BIT = 0x0000 | LINUX_ADDR_LIMIT_32BIT,
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LINUX_PER_LINUX_FDPIC = 0x0000 | LINUX_FDPIC_FUNCPTRS,
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LINUX_PER_LINUX32 = 0x0008,
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LINUX_PER_LINUX32_3GB = 0x0008 | LINUX_ADDR_LIMIT_3GB,
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LINUX_PER_MASK = 0x00ff,
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};
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#endif /* LINUX_PERSONALITY_H */
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