struct test {
    void *mem;
};

#define __pthread_self() ({ register struct test *self __asm__("$3"); __asm__ __volatile__ (".word 0x7c03e83b" : "=r"(self)); self; })

void *getself2()
{
    return __pthread_self()->mem;
}


int main()
{
    getself2();
}