Committed by Jim Blandy <jimb@redhat.com>.
+ * s390-nat.c (SUBOFF): New macro.
+ (supply_gregset, fill_gregset): Use it to handle debugging
+ of 32-bit exectuables running under a 64-bit kernel.
+ * s390-tdep.c: Include "solib-svr4.h".
+ (s390_svr4_fetch_link_map_offset): New function.
+ (s390x_svr_fetch_link_map_offset): Likewise.
+ (s390_gdbarch_init): Call set_solib_svr4_fetch_link_map_offsets.
+ * Makefile.in (s390-tdep.o): Update dependencies.
+
* s390-tdep.c: Include "trad-frame.h", "frame-base.h", and
"frame-unwind.h".
(s390_readinstruction): Reformat. Use read_memory_nobpt.