607 int xmon(struct pt_regs *excp)  in xmon()  argument
611 	if (excp == NULL) {  in xmon()
613 		excp = &regs;  in xmon()
616 	return xmon_core(excp, 0);  in xmon()
840 cmds(struct pt_regs *excp)  in cmds()  argument
845 	xmon_regs = excp;  in cmds()
849 		xmon_show_stack(excp->gpr[1], excp->link, excp->nip);  in cmds()
897 			prregs(excp);	/* print regs */  in cmds()
900 			excprint(excp);  in cmds()
906 			backtrace(excp);  in cmds()
914 			if (do_step(excp))  in cmds()
1437 static void backtrace(struct pt_regs *excp)  in backtrace()  argument
1444 		xmon_show_stack(excp->gpr[1], excp->link, excp->nip);  in backtrace()