die_if_no_fixup
extern void die_if_no_fixup(const char *str, struct pt_regs *regs, long err);
die_if_no_fixup("Fault in unaligned fixup", regs, 0);
die_if_no_fixup("reserved instruction", regs, error_code);
die_if_no_fixup("illegal slot instruction", regs, inst);