2018-08-21 19:23:22 +00:00
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#ifndef UTIL_H
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#define UTIL_H
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2018-10-04 18:25:16 +00:00
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#include <stdint.h>
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2021-11-23 20:59:52 +00:00
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// C11 noreturn doesn't work in C++
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#define noreturn __attribute__((noreturn))
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2018-08-21 19:23:22 +00:00
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2018-08-29 02:46:20 +00:00
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#define likely(x) __builtin_expect(!!(x), 1)
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#define unlikely(x) __builtin_expect(!!(x), 0)
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2018-08-21 19:23:22 +00:00
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2018-10-18 19:19:54 +00:00
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#define min(x, y) ({ \
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__typeof__(x) _x = (x); \
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__typeof__(y) _y = (y); \
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(void) (&_x == &_y); \
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_x < _y ? _x : _y; })
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#define max(x, y) ({ \
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__typeof__(x) _x = (x); \
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__typeof__(y) _y = (y); \
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(void) (&_x == &_y); \
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_x > _y ? _x : _y; })
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2018-08-21 19:23:22 +00:00
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#define COLD __attribute__((cold))
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#define UNUSED __attribute__((unused))
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#define EXPORT __attribute__((visibility("default")))
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2018-10-03 20:00:11 +00:00
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#define STRINGIFY(s) #s
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#define ALIAS(f) __attribute__((alias(STRINGIFY(f))))
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2018-08-29 19:06:49 +00:00
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2018-08-25 07:09:09 +00:00
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static inline int ffzl(long x) {
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return __builtin_ffsl(~x);
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}
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2018-08-21 19:23:22 +00:00
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COLD noreturn void fatal_error(const char *s);
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2018-10-04 18:25:16 +00:00
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typedef uint8_t u8;
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typedef uint16_t u16;
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typedef uint32_t u32;
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typedef uint64_t u64;
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typedef unsigned __int128 u128;
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2019-08-18 05:56:20 +00:00
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#if CONFIG_SEAL_METADATA
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2019-03-26 05:45:15 +00:00
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#ifdef __GLIBC__
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2018-10-20 01:29:40 +00:00
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#define USE_PKEY
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2020-03-29 11:41:18 +00:00
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#else
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2019-03-26 05:45:15 +00:00
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#error "CONFIG_SEAL_METADATA requires Memory Protection Key support"
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#endif
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#endif // CONFIG_SEAL_METADATA
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2018-08-21 19:23:22 +00:00
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#endif
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