[PATCH] stubdom: x86_32 compilation fix

[Samuel Thibault <samuel.thibault@eu.citrix.com>]

stubdom: fix x86_32 compilation by __moddi3 from FreeBSD
(like has been done previously for umoddi3 etc.)

Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>

diff -r 09af1b46f89f extras/mini-os/lib/math.c
--- a/extras/mini-os/lib/math.c	Tue Feb 26 13:12:55 2008 +0000
+++ b/extras/mini-os/lib/math.c	Tue Feb 26 14:57:50 2008 +0000
@@ -388,6 +388,30 @@ __umoddi3(u_quad_t a, u_quad_t b)
         return (r);
 }
 
+/*
+ * Return remainder after dividing two signed quads.
+ *
+ * XXX
+ * If -1/2 should produce -1 on this machine, this code is wrong.
+ */
+quad_t
+__moddi3(a, b)
+	quad_t a, b;
+{
+	u_quad_t ua, ub, ur;
+	int neg;
+
+	if (a < 0)
+		ua = -(u_quad_t)a, neg = 1;
+	else
+		ua = a, neg = 0;
+	if (b < 0)
+		ub = -(u_quad_t)b;
+	else
+		ub = b;
+	(void)__qdivrem(ua, ub, &ur);
+	return (neg ? -ur : ur);
+}
 #endif /* !defined(__ia64__) */
 
 #ifndef HAVE_LIBC