ia32_setup_rt_frame(sig, ka, info, oldset, regs); 
ret = ia32_setup_rt_frame(sig, ka, info, oldset, regs); 
handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,		sigset_t *oldset, struct pt_regs *regs){#ifdef DEBUG_SIG	printk("handle_signal pid:%d sig:%lu rip:%lx rsp:%lx regs=%p\n",		current->pid, sig,		regs->rip, regs->rsp, regs);#endif	/* Are we from a system call? */	if ((long)regs->orig_rax >= 0) {		/* If so, check system call restarting.. */		switch (regs->rax) {		        case -ERESTART_RESTARTBLOCK:			case -ERESTARTNOHAND:				regs->rax = -EINTR;				break;			case -ERESTARTSYS:				if (!(ka->sa.sa_flags & SA_RESTART)) {					regs->rax = -EINTR;					break;				}				/* fallthrough */			case -ERESTARTNOINTR:				regs->rax = regs->orig_rax;				regs->rip -= 2;				break;		}	}	/*	 * If TF is set due to a debugger (PT_DTRACE), clear the TF	 * flag so that register information in the sigcontext is	 * correct.	 */	if (unlikely(regs->eflags & TF_MASK)) {		if (likely(current->ptrace & PT_DTRACE)) {			current->ptrace &= ~PT_DTRACE;			regs->eflags &= ~TF_MASK;		}	}#ifdef CONFIG_IA32_EMULATION	if (test_thread_flag(TIF_IA32)) {		if (ka->sa.sa_flags & SA_SIGINFO)			ia32_setup_rt_frame(sig, ka, info, oldset, regs);		else			ia32_setup_frame(sig, ka, oldset, regs);	} else #endif	setup_rt_frame(sig, ka, info, oldset, regs);	if (!(ka->sa.sa_flags & SA_NODEFER)) {		spin_lock_irq(&current->sighand->siglock);		sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);		sigaddset(&current->blocked,sig);		recalc_sigpending();		spin_unlock_irq(&current->sighand->siglock);	}}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/0928d6ef7f204979749fb241a90a04a35dae133a/signal.c/buggy/arch/x86_64/kernel/signal.c