Code-base clean-up and refactoring (#47)

[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 75819785a212fa47fa656e4d366714983074197c..178c0fedd598a91544d8cbaac81133942ba0430b 100644 (file)
--- a/lunaix-os/includes/lunaix/compiler.h
+++ b/lunaix-os/includes/lunaix/compiler.h
@@ -1,32 +1,53 @@
 #ifndef __LUNAIX_COMPILER_H
 #define __LUNAIX_COMPILER_H
 
 #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 must_emit __attribute__((used))
-
-#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 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 _default                weak
+
+#define msbiti                  (sizeof(int) * 8 - 1)
+#define clz(bits)               __builtin_clz(bits)
+
+#ifdef CONFIG_ARCH_BITS_64
+#define msbitl                  (sizeof(long) * 8 - 1)
+#define clzl(bits)              __builtin_clzl(bits)
+#else
+#define msbitl                  msbiti
+#define clzl(bits)              clz(bits)
+#endif
+
+#define sadd_of(a, b, of)       __builtin_sadd_overflow(a, b, of)
+#define saddl_of(a, b, of)      __builtin_saddl_overflow(a, b, of)
+#define umul_of(a, b, of)       __builtin_umul_overflow(a, b, of)
+#define umull_of(a, b, of)      __builtin_umull_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 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, symbol)\
-    typeof(symbol)* must_emit __SYMEXPORT_Z##domain##_##symbol = &(symbol)
+#define export_symbol(domain, namespace, symbol)\
+    typeof(symbol)* must_emit __SYMEXPORT_Z##domain##_N##namespace##_S##symbol \
+         = &(symbol)

 
 inline static void noret
 spin()
 
 inline static void noret
 spin()


@@ -34,7 +55,7 @@ spin()
     volatile int __infloop = 1;
     while (__infloop)
         ;
     volatile int __infloop = 1;
     while (__infloop)
         ;

-    __builtin_unreachable();
+    unreachable;

 }
 
 #endif /* __LUNAIX_COMPILER_H */
 }
 
 #endif /* __LUNAIX_COMPILER_H */