X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/1fe5f5eb5378a47bf0f3451762743c162e40faad..c166bd62fbb907f95f79f621e2a2fb4fdde08e01:/lunaix-os/includes/lunaix/compiler.h diff --git a/lunaix-os/includes/lunaix/compiler.h b/lunaix-os/includes/lunaix/compiler.h index a97c8c5..78387bd 100644 --- a/lunaix-os/includes/lunaix/compiler.h +++ b/lunaix-os/includes/lunaix/compiler.h @@ -1,9 +1,46 @@ #ifndef __LUNAIX_COMPILER_H #define __LUNAIX_COMPILER_H -#define likely(x) __builtin_expect((x), 1) -#define unlikely(x) __builtin_expect((x), 0) +#define likely(x) __builtin_expect(!!(x), 1) +#define unlikely(x) __builtin_expect(!!(x), 0) + +#define __section(name) __attribute__((section(name))) +#define weak_alias(name) __attribute__((weak, alias(name))) +#define optimize(opt) __attribute__((optimize(opt))) +#define weak __attribute__((weak)) +#define noret __attribute__((noreturn)) +#define must_inline __attribute__((always_inline)) +#define must_emit __attribute__((used)) +#define unreachable __builtin_unreachable() +#define no_inline __attribute__((noinline)) + +#define clz(bits) __builtin_clz(bits) +#define sadd_overflow(a, b, of) __builtin_sadd_overflow(a, b, of) +#define umul_overflow(a, b, of) __builtin_umul_overflow(a, b, of) +#define offsetof(f, m) __builtin_offsetof(f, m) + +#define prefetch_rd(ptr, ll) __builtin_prefetch((ptr), 0, ll) +#define prefetch_wr(ptr, ll) __builtin_prefetch((ptr), 1, ll) + +#define stringify(v) #v +#define stringify__(v) stringify(v) + +#define compact __attribute__((packed)) +#define align(v) __attribute__((aligned (v))) + +#define cacheline_size 64 +#define cacheline_align align(cacheline_size) + +#define export_symbol(domain, namespace, symbol)\ + typeof(symbol)* must_emit __SYMEXPORT_Z##domain##_N##namespace##_S##symbol = &(symbol) + +inline static void noret +spin() +{ + volatile int __infloop = 1; + while (__infloop) + ; + unreachable; +} -#define weak_alias(name) __attribute__((weak, alias(name))) -#define noret __attribute__((noreturn)) #endif /* __LUNAIX_COMPILER_H */