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Compiler Functions

include/compiler.h View source View on GitHub

Macros

Section titled “Macros”

__noinline

Section titled “__noinline”
#define __noinline __attribute__((noinline))

__always_inline

Section titled “__always_inline”
#define __always_inline __attribute__((always_inline))

__noreturn

Section titled “__noreturn”
#define __noreturn __attribute__((noreturn))

__unused

Section titled “__unused”
#define __unused __attribute__((unused))

__warn_unused_result

Section titled “__warn_unused_result”
#define __warn_unused_result __attribute__((warn_unused_result))

__packed

Section titled “__packed”
#define __packed __attribute__((__packed__))

__aligned

Section titled “__aligned”
#define __aligned(x) __attribute__((aligned(x)))

__cache_aligned

Section titled “__cache_aligned”
#define __cache_aligned __attribute__((aligned(64)))

__used

Section titled “__used”
#define __used __attribute__((used))

__section

Section titled “__section”
#define __section(x) __attribute__((section(x)))

__hidden

Section titled “__hidden”
#define __hidden __attribute__((visibility("hidden")))

__export

Section titled “__export”
#define __export __attribute__((visibility("default")))

likely

Section titled “likely”
#define likely(x) __builtin_expect(!!(x), 1)

unlikely

Section titled “unlikely”
#define unlikely(x) __builtin_expect(!!(x), 0)

__no_sanitize_address

Section titled “__no_sanitize_address”
#define __no_sanitize_address __attribute__((no_sanitize("address")))

__deprecated

Section titled “__deprecated”
#define __deprecated __attribute__((deprecated))

__deprecated_msg

Section titled “__deprecated_msg”
#define __deprecated_msg(msg) __attribute__((deprecated(msg)))

__pure

Section titled “__pure”
#define __pure __attribute__((pure))

__constfn

Section titled “__constfn”
#define __constfn __attribute__((const))

__noclone

Section titled “__noclone”
#define __noclone __attribute__((noclone))

__malloc_like

Section titled “__malloc_like”
#define __malloc_like __attribute__((malloc))

__nullable

Section titled “__nullable”
#define __nullable __attribute__((nullable))

__naked

Section titled “__naked”
#define __naked __attribute__((naked))

__returns_nonnull

Section titled “__returns_nonnull”
#define __returns_nonnull __attribute__((returns_nonnull))

__returns_twice

Section titled “__returns_twice”
#define __returns_twice __attribute__((returns_twice))

__may_alias

Section titled “__may_alias”
#define __may_alias __attribute__((__may_alias__))

__weak

Section titled “__weak”
#define __weak __attribute__((weak))

__weakref

Section titled “__weakref”
#define __weakref(sym) __attribute__((weakref(#sym)))

__alias

Section titled “__alias”
#define __alias(sym) __attribute__((alias(#sym)))

__no_sanitize_undefined

Section titled “__no_sanitize_undefined”
#define __no_sanitize_undefined __attribute__((no_sanitize("undefined")))

__no_sanitize_thread

Section titled “__no_sanitize_thread”
#define __no_sanitize_thread __attribute__((no_sanitize("thread")))

__no_sanitize_memory

Section titled “__no_sanitize_memory”
#define __no_sanitize_memory __attribute__((no_sanitize("memory")))

__no_sanitize_coverage

Section titled “__no_sanitize_coverage”
#define __no_sanitize_coverage __attribute__((no_sanitize("coverage")))

__printf_like

Section titled “__printf_like”
#define __printf_like(fmt_idx, arg_idx) \
    __attribute__((format(printf, fmt_idx, arg_idx)))

__constructor

Section titled “__constructor”
#define __constructor(prio) __attribute__((constructor(prio)))

__destructor

Section titled “__destructor”
#define __destructor(prio) __attribute__((destructor(prio)))

__fallthrough

Section titled “__fallthrough”
#define __fallthrough __attribute__((fallthrough))

__restrict

Section titled “__restrict”
#define __restrict __restrict__

__restrict

Section titled “__restrict”
#define __restrict

static_assert_struct_size_eq

Section titled “static_assert_struct_size_eq”
#define static_assert_struct_size_eq(__struct, __want) \
    _Static_assert(sizeof(struct __struct) == __want, \
                   "size of struct" #__struct \
                   " does not match expected size " #__want)

static_assert_1

Section titled “static_assert_1”
#define static_assert_1(cond) _Static_assert(cond, #cond)

static_assert_2

Section titled “static_assert_2”
#define static_assert_2(cond, msg) _Static_assert(cond, msg)

static_assert

Section titled “static_assert”
#define static_assert(...) \
    _DISPATCH(static_assert, PP_NARG(__VA_ARGS__))(__VA_ARGS__)

smp_mb

Section titled “smp_mb”
#define smp_mb() atomic_thread_fence(memory_order_seq_cst)

smp_rmb

Section titled “smp_rmb”
#define smp_rmb() atomic_thread_fence(memory_order_acquire)

smp_wmb

Section titled “smp_wmb”
#define smp_wmb() atomic_thread_fence(memory_order_release)

DISPATCH

Section titled “DISPATCH”
#define _DISPATCH_(name, n) name##_##n

_DISPATCH

Section titled “_DISPATCH”
#define _DISPATCH(name, n) _DISPATCH_(name, n)

PP_ARG_N

Section titled “PP_ARG_N”
#define PP_ARG_N(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, \
                 _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, \
                 _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, \
                 _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, \
                 _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, \
                 _63, _64, N, ...) \
    N

PP_RSEQ_N

Section titled “PP_RSEQ_N”
#define PP_RSEQ_N() \
    63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46, \
        45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, \
        28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, \
        11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0

PP_NARG_HELPER

Section titled “PP_NARG_HELPER”
#define PP_NARG_HELPER(...) PP_ARG_N(__VA_ARGS__)

PP_NARG

Section titled “PP_NARG”
#define PP_NARG(...) PP_NARG_HELPER(_, ##__VA_ARGS__, PP_RSEQ_N())

CONCAT_

Section titled “CONCAT_”
#define CONCAT_(a, b) a##b

CONCAT

Section titled “CONCAT”
#define CONCAT(a, b) CONCAT_(a, b)