#define DO_VM86_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr)	\
void do_##name(struct pt_regs *regs, long error_code)			\
{									\
	siginfo_t info;							\
	info.si_signo = signr;						\
	info.si_errno = 0;						\
	info.si_code = sicode;						\
	info.si_addr = (void __user *)siaddr;				\
	trace_hardirqs_fixup();						\
	if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr)	\
						== NOTIFY_STOP)		\
		return;							\
	do_trap(trapnr, signr, str, 1, regs, error_code, &info);	\
}

DO_VM86_ERROR_INFO(0, SIGFPE,  "divide error", divide_error, FPE_INTDIV, regs->ip)

static void __kprobes
do_trap(int trapnr, int signr, char *str, int vm86, struct pt_regs *regs,
	long error_code, siginfo_t *info)
{
	struct task_struct *tsk = current;

	if (regs->flags & X86_VM_MASK) {
		if (vm86)
			goto vm86_trap;
		goto trap_signal;
	}

	if (!user_mode(regs))
		goto kernel_trap;

trap_signal:
	/*
	 * We want error_code and trap_no set for userspace faults and
	 * kernelspace faults which result in die(), but not
	 * kernelspace faults which are fixed up.  die() gives the
	 * process no chance to handle the signal and notice the
	 * kernel fault information, so that won't result in polluting
	 * the information about previously queued, but not yet
	 * delivered, faults.  See also do_general_protection below.
	 */
	tsk->thread.error_code = error_code;
	tsk->thread.trap_no = trapnr;

	if (info)
		force_sig_info(signr, info, tsk);
	else
		force_sig(signr, tsk);
	return;

kernel_trap:
	if (!fixup_exception(regs)) {
		tsk->thread.error_code = error_code;
		tsk->thread.trap_no = trapnr;
		die(str, regs, error_code);
	}
	return;

vm86_trap:
	if (handle_vm86_trap((struct kernel_vm86_regs *) regs,
						error_code, trapnr))
		goto trap_signal;
	return;
}