added and modified libdl to support SuperH architecture
diff --git a/libdl/libdl.c b/libdl/libdl.c
index 52707f1..7971942 100644
--- a/libdl/libdl.c
+++ b/libdl/libdl.c
@@ -24,7 +24,7 @@
 
 #ifdef __arm__
 void *dl_unwind_find_exidx(void *pc, int *pcount) { return 0; }
-#elif defined(__i386__)
+#elif defined(__i386__) || defined(__sh__)
 /* we munge the cb definition so we don't have to include any headers here.
  * It won't affect anything since these are just symbols anyway */
 int dl_iterate_phdr(int (*cb)(void *info, void *size, void *data),