3 #define STRINGIFY(x) #x
4 #define TOSTRING(x) STRINGIFY(x)
6 #define always_inline inline __attribute__((always_inline))
8 #define CURRENT_LOCATION __FILE__ ":" TOSTRING(__LINE__)
12 _fail("at " CURRENT_LOCATION " "); \
15 #define mb() asm volatile ("" : : : "memory")
18 void _fail(char *reason
);