static inline struct pthread *__pthread_self() { struct pthread *self; #ifdef __clang__ __asm__ __volatile__ (".word 0x7c03e83b ; move %0, $3" : "=r" (self) : : "$3" ); #else __asm__ __volatile__ (".word 0x7c03e83b" : "=v" (self) ); #endif return self; } #define CANCEL_REG_IP (3-(union {int __i; char __b;}){1}.__b)