diff -ruN linux-2.6.15.1/include/asm-i386/libgcc.h linux-2.6.15.1-openwrt/include/asm-i386/libgcc.h
--- linux-2.6.15.1/include/asm-i386/libgcc.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.15.1-openwrt/include/asm-i386/libgcc.h	2006-02-01 15:47:53.000000000 +0100
@@ -0,0 +1,8 @@
+#ifndef __ASM_LIBGCC_H
+#define __ASM_LIBGCC_H
+
+#undef ARCH_NEEDS_ashldi3
+#undef ARCH_NEEDS_ashrdi3
+#undef ARCH_NEEDS_lshrdi3
+
+#endif /* __ASM_LIBGCC_H */
diff -ruN linux-2.6.15.1/include/asm-um/libgcc.h linux-2.6.15.1-openwrt/include/asm-i386/libgcc.h
--- linux-2.6.15.1/include/asm-um/libgcc.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.15.1-openwrt/include/asm-um/libgcc.h	2006-02-01 15:47:53.000000000 +0100
@@ -0,0 +1,8 @@
+#ifndef __ASM_LIBGCC_H
+#define __ASM_LIBGCC_H
+
+#undef ARCH_NEEDS_ashldi3
+#undef ARCH_NEEDS_ashrdi3
+#undef ARCH_NEEDS_lshrdi3
+
+#endif /* __ASM_LIBGCC_H */
diff -Nur linux-2.6.15.1/include/asm-mips/libgcc.h linux-2.6.15.1-openwrt/include/asm-mips/libgcc.h
--- linux-2.6.15.1/include/asm-mips/libgcc.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.15.1-openwrt/include/asm-mips/libgcc.h	2006-01-20 10:32:28.000000000 +0100
@@ -0,0 +1,8 @@
+#ifndef __ASM_LIBGCC_H
+#define __ASM_LIBGCC_H
+
+#define ARCH_NEEDS_ashldi3
+#define ARCH_NEEDS_ashrdi3
+#define ARCH_NEEDS_lshrdi3
+
+#endif /* __ASM_LIBGCC_H */
diff -Nur linux-2.6.15.1/include/linux/libgcc.h linux-2.6.15.1-openwrt/include/linux/libgcc.h
--- linux-2.6.15.1/include/linux/libgcc.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.15.1-openwrt/include/linux/libgcc.h	2006-01-20 10:33:38.000000000 +0100
@@ -0,0 +1,32 @@
+#ifndef __LINUX_LIBGCC_H
+#define __LINUX_LIBGCC_H
+
+#include <asm/byteorder.h>
+#include <asm/libgcc.h>
+
+typedef long long DWtype;
+typedef int Wtype;
+typedef unsigned int UWtype;
+typedef int word_type __attribute__ ((mode (__word__)));
+
+#define BITS_PER_UNIT 8
+
+#ifdef __BIG_ENDIAN
+struct DWstruct {
+       Wtype high, low;
+};
+#elif defined(__LITTLE_ENDIAN)
+struct DWstruct {
+       Wtype low, high;
+};
+#else
+#error I feel sick.
+#endif
+
+typedef union
+{
+       struct DWstruct s;
+       DWtype ll;
+} DWunion;
+
+#endif /* __LINUX_LIBGCC_H */
diff -Nur linux-2.6.15.1/lib/ashldi3.c linux-2.6.15.1-openwrt/lib/ashldi3.c
--- linux-2.6.15.1/lib/ashldi3.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.15.1-openwrt/lib/ashldi3.c	2006-01-20 10:38:41.000000000 +0100
@@ -0,0 +1,32 @@
+#include <linux/libgcc.h>
+#include <linux/module.h>
+
+#ifdef ARCH_NEEDS_ashldi3
+
+DWtype __ashldi3(DWtype u, word_type b)
+{
+       DWunion uu, w;
+       word_type bm;
+
+       if (b == 0)
+               return u;
+
+       uu.ll = u;
+       bm = (sizeof(Wtype) * BITS_PER_UNIT) - b;
+
+       if (bm <= 0) {
+               w.s.low = 0;
+               w.s.high = (UWtype) uu.s.low << -bm;
+       } else {
+               const UWtype carries = (UWtype) uu.s.low >> bm;
+
+               w.s.low = (UWtype) uu.s.low << b;
+               w.s.high = ((UWtype) uu.s.high << b) | carries;
+       }
+
+       return w.ll;
+}
+
+EXPORT_SYMBOL(__ashldi3);
+
+#endif /* ARCH_NEEDS_ashldi3 */
diff -Nur linux-2.6.15.1/lib/ashrdi3.c linux-2.6.15.1-openwrt/lib/ashrdi3.c
--- linux-2.6.15.1/lib/ashrdi3.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.15.1-openwrt/lib/ashrdi3.c	2006-01-20 10:39:29.000000000 +0100
@@ -0,0 +1,36 @@
+#include <linux/libgcc.h>
+#include <linux/module.h>
+
+/* Unless shift functions are defined with full ANSI prototypes,
+   parameter b will be promoted to int if word_type is smaller than an int.  */
+#ifdef ARCH_NEEDS_ashrdi3
+
+DWtype __ashrdi3(DWtype u, word_type b)
+{
+       DWunion uu, w;
+       word_type bm;
+
+       if (b == 0)
+               return u;
+
+       uu.ll = u;
+       bm = (sizeof(Wtype) * BITS_PER_UNIT) - b;
+
+       if (bm <= 0) {
+               /* w.s.high = 1..1 or 0..0 */
+               w.s.high =
+                   uu.s.high >> (sizeof(Wtype) * BITS_PER_UNIT - 1);
+               w.s.low = uu.s.high >> -bm;
+       } else {
+               const UWtype carries = (UWtype) uu.s.high << bm;
+
+               w.s.high = uu.s.high >> b;
+               w.s.low = ((UWtype) uu.s.low >> b) | carries;
+       }
+
+       return w.ll;
+}
+
+EXPORT_SYMBOL(__ashrdi3);
+
+#endif /* ARCH_NEEDS_ashrdi3 */
diff -Nur linux-2.6.15.1/lib/lshrdi3.c linux-2.6.15.1-openwrt/lib/lshrdi3.c
--- linux-2.6.15.1/lib/lshrdi3.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.15.1-openwrt/lib/lshrdi3.c	2006-01-20 10:40:10.000000000 +0100
@@ -0,0 +1,34 @@
+#include <linux/libgcc.h>
+#include <linux/module.h>
+
+/* Unless shift functions are defined with full ANSI prototypes,
+   parameter b will be promoted to int if word_type is smaller than an int.  */
+#ifdef ARCH_NEEDS_lshrdi3
+
+DWtype __lshrdi3(DWtype u, word_type b)
+{
+       DWunion uu, w;
+       word_type bm;
+
+       if (b == 0)
+               return u;
+
+       uu.ll = u;
+       bm = (sizeof(Wtype) * BITS_PER_UNIT) - b;
+
+       if (bm <= 0) {
+               w.s.high = 0;
+               w.s.low = (UWtype) uu.s.high >> -bm;
+       } else {
+               const UWtype carries = (UWtype) uu.s.high << bm;
+
+               w.s.high = (UWtype) uu.s.high >> b;
+               w.s.low = ((UWtype) uu.s.low >> b) | carries;
+       }
+
+       return w.ll;
+}
+
+EXPORT_SYMBOL(__lshrdi3);
+
+#endif /* ARCH_NEEDS_lshrdi3 */
diff -Nur linux-2.6.15.1/lib/Makefile linux-2.6.15.1-openwrt/lib/Makefile
--- linux-2.6.15.1/lib/Makefile	2006-01-15 07:16:02.000000000 +0100
+++ linux-2.6.15.1-openwrt/lib/Makefile	2006-01-20 10:34:19.000000000 +0100
@@ -8,6 +8,7 @@
 	 sha1.o
 
 lib-y	+= kobject.o kref.o kobject_uevent.o klist.o
+obj-y	+= ashldi3.o ashrdi3.o lshrdi3.o
 
 obj-y += sort.o parser.o halfmd4.o
 
diff -Nur linux-2.6.15.1/include/asm-arm/libgcc.h linux-2.6.15.1-openwrt/include/asm-arm/libgcc.h
--- linux-2.6.15.1/include/asm-arm/libgcc.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.15.1-openwrt/include/asm-arm/libgcc.h	2006-04-12 23:01:18.000000000 +0200
@@ -0,0 +1,8 @@
+#ifndef __ASM_LIBGCC_H
+#define __ASM_LIBGCC_H
+
+#undef ARCH_NEEDS_ashldi3
+#undef ARCH_NEEDS_ashrdi3
+#undef ARCH_NEEDS_lshrdi3
+
+#endif /* __ASM_LIBGCC_H */
