* s390-tdep.c (s390_address_class_type_flags)

(s390_address_class_type_flags_to_name)
	(s390_address_class_name_to_type_flags): New functions.
	(s390_gdbarch_init): Define ADDRESS_CLASS_TYPE_FLAGS_TO_NAME,
	ADDRESS_CLASS_NAME_TO_TYPE_FLAGS, and ADDRESS_CLASS_TYPE_FLAGS.

gdb/ChangeLog

@@ -1,3 +1,11 @@
+2003-02-03  Kevin Buettner  <kevinb@redhat.com>
+
+	* s390-tdep.c (s390_address_class_type_flags)
+	(s390_address_class_type_flags_to_name)
+	(s390_address_class_name_to_type_flags): New functions.
+	(s390_gdbarch_init): Define ADDRESS_CLASS_TYPE_FLAGS_TO_NAME,
+	ADDRESS_CLASS_NAME_TO_TYPE_FLAGS, and ADDRESS_CLASS_TYPE_FLAGS.
+
 2003-02-03  Michael Snyder  <msnyder@redhat.com>
 
 	* arm-tdep.c: Fix spell-o in comment.

gdb/s390-tdep.c

@@ -1748,6 +1748,37 @@ s390_push_return_address (CORE_ADDR pc, CORE_ADDR sp)
   return sp;
 }
 
+static int
+s390_address_class_type_flags (int byte_size, int dwarf2_addr_class)
+{
+  if (byte_size == 4)
+    return TYPE_FLAG_ADDRESS_CLASS_1;
+  else
+    return 0;
+}
+
+static const char *
+s390_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags)
+{
+  if (type_flags & TYPE_FLAG_ADDRESS_CLASS_1)
+    return "mode32";
+  else
+    return NULL;
+}
+
+int
+s390_address_class_name_to_type_flags (struct gdbarch *gdbarch, const char *name,
+				       int *type_flags_ptr)
+{
+  if (strcmp (name, "mode32") == 0)
+    {
+      *type_flags_ptr = TYPE_FLAG_ADDRESS_CLASS_1;
+      return 1;
+    }
+  else
+    return 0;
+}
+
 struct gdbarch *
 s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 {
@@ -1869,6 +1900,12 @@ s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
       set_gdbarch_long_long_bit (gdbarch, 64);
       set_gdbarch_ptr_bit (gdbarch, 64);
       set_gdbarch_register_bytes (gdbarch, S390X_REGISTER_BYTES);
+      set_gdbarch_address_class_type_flags (gdbarch,
+                                            s390_address_class_type_flags);
+      set_gdbarch_address_class_type_flags_to_name (gdbarch,
+                                                    s390_address_class_type_flags_to_name);
+      set_gdbarch_address_class_name_to_type_flags (gdbarch,
+                                                    s390_address_class_name_to_type_flags);
       break;
     }