if ( sig == SIGFPE || sig == SIGSEGV || sig == SIGBUS || sig == SIGILL || sig == SIGTRAP ) { GET_FAULTINFO_FROM_SC(r->faultinfo, sc); } 
void sig_handler_common_tt(int sig, void *sc_ptr){	struct sigcontext *sc = sc_ptr;	struct tt_regs save_regs, *r;	struct signal_info *info;	int save_errno = errno, is_user;	/* This is done because to allow SIGSEGV to be delivered inside a SEGV	 * handler.  This can happen in copy_user, and if SEGV is disabled,	 * the process will die.	 */	if(sig == SIGSEGV)		change_sig(SIGSEGV, 1);	r = &TASK_REGS(get_current())->tt;	save_regs = *r;	is_user = user_context(SC_SP(sc));	r->sc = sc;	if(sig != SIGUSR2) 		r->syscall = -1;	info = &sig_info[sig];	if(!info->is_irq) unblock_signals();	(*info->handler)(sig, (union uml_pt_regs *) r);	if(is_user){		interrupt_end();		block_signals();		set_user_mode(NULL);	}	*r = save_regs;	errno = save_errno;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/c578455a3eccf4dd7bd111e77129c301d6d67914/trap_user.c/clean/arch/um/kernel/tt/trap_user.c