fix: false positive when looking for room to host pmem_list

[lunaix-os.git] / lunaix-os / includes / lunaix / compiler.h

diff --git a/lunaix-os/includes/lunaix/compiler.h b/lunaix-os/includes/lunaix/compiler.h
index 3ee6fa0ebff472b42afae3a14ab2bdda96b51813..28ae36e7232a671c74061d46dce39923e3c6c959 100644 (file)
--- a/lunaix-os/includes/lunaix/compiler.h
+++ b/lunaix-os/includes/lunaix/compiler.h
@@ -1,28 +1,41 @@
 #ifndef __LUNAIX_COMPILER_H
 #define __LUNAIX_COMPILER_H
 
-#define likely(x) __builtin_expect((x), 1)
-#define unlikely(x) __builtin_expect((x), 0)
-
-#define weak_alias(name) __attribute__((weak, alias(name)))
-#define weak __attribute__((weak))
-#define noret __attribute__((noreturn))
-#define optimize(opt) __attribute__((optimize(opt)))
-#define must_inline __attribute__((always_inline))
-
-#define clz(bits) __builtin_clz(bits)
+#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 defualt                 weak
+
+#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 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 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 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()
@@ -30,7 +43,7 @@ spin()
     volatile int __infloop = 1;
     while (__infloop)
         ;
-    __builtin_unreachable();
+    unreachable;
 }
 
 #endif /* __LUNAIX_COMPILER_H */