diff -p -up elfutils-0.139/libdw/libdwP.h.sparc_align~ elfutils-0.139/libdw/libdwP.h
--- elfutils-0.139/libdw/libdwP.h.sparc_align~	2009-01-23 03:48:46.000000000 -0500
+++ elfutils-0.139/libdw/libdwP.h	2009-02-11 04:09:48.778152487 -0500
@@ -180,7 +180,11 @@ struct Dwarf
     size_t size;
     size_t remaining;
     struct libdw_memblock *prev;
-    char mem[0];
+    char mem[0]
+#ifdef __sparc__
+    __attribute__((aligned(8)))
+#endif
+    ;
   } *mem_tail;
 
   /* Default size of allocated memory blocks.  */