static inline struct pthread *__pthread_self()
{
struct pthread *self;
__asm__ ("movl %%gs:0,%0" : "=r" (self) );
return self;
}
#define PC_AT_SYS(c) \
(*(uint16_t *)(((ucontext_t *)(c))->uc_mcontext.__gregs[14])==0x80cd)