diff --git a/libctru/include/3ds/synchronization.h b/libctru/include/3ds/synchronization.h
index 4a21734..e235e08 100644
--- a/libctru/include/3ds/synchronization.h
+++ b/libctru/include/3ds/synchronization.h
@@ -9,6 +9,25 @@ typedef struct
 	u32 counter;
 } RecursiveLock;
 
+static inline void __clrex(void)
+{
+	__asm__ __volatile__("clrex");
+}
+
+static inline s32 __ldrex(s32* addr)
+{
+	s32 val;
+	__asm__ __volatile__("ldrex %[val], %[addr]" : [val] "=r" (val) : [addr] "Q" (*addr));
+	return val;
+}
+
+static inline bool __strex(s32* addr, s32 val)
+{
+	bool res;
+	__asm__ __volatile__("strex %[res], %[val], %[addr]" : [res] "=&r" (res) : [val] "r" (val), [addr] "Q" (*addr));
+	return res;
+}
+
 void LightLock_Init(LightLock* lock);
 void LightLock_Lock(LightLock* lock);
 void LightLock_Unlock(LightLock* lock);
diff --git a/libctru/source/synchronization.c b/libctru/source/synchronization.c
index 99cdb26..1055c06 100644
--- a/libctru/source/synchronization.c
+++ b/libctru/source/synchronization.c
@@ -16,25 +16,6 @@ void __sync_fini(void)
 		svcCloseHandle(arbiter);
 }
 
-static inline void __clrex(void)
-{
-	__asm__ __volatile__("clrex");
-}
-
-static inline s32 __ldrex(s32* addr)
-{
-	s32 val;
-	__asm__ __volatile__("ldrex %[val], [%[addr]]" : [val] "=r" (val) : [addr] "r" (addr));
-	return val;
-}
-
-static inline bool __strex(s32* addr, s32 val)
-{
-	bool res;
-	__asm__ __volatile__("strex %[res], %[val], [%[addr]]" : [res] "=&r" (res) : [val] "r" (val), [addr] "r" (addr));
-	return res;
-}
-
 void LightLock_Init(LightLock* lock)
 {
 	do