Run gdb.base/sizeof.exp with board having gdb,noinferiorio

diff --git a/gdb/testsuite/gdb.base/sizeof.c b/gdb/testsuite/gdb.base/sizeof.c
index eb21f22..fde5213 100644
--- a/gdb/testsuite/gdb.base/sizeof.c
+++ b/gdb/testsuite/gdb.base/sizeof.c
@@ -1,7 +1,3 @@ 
-#include <stdio.h>
-
-#include "../lib/unbuffer_output.c"
-
 typedef char padding[16];
 
 struct {
@@ -100,28 +96,26 @@  fill_structs (void)
 int
 main ()
 {
-  gdb_unbuffer_output ();
+  int size, value;
 
   fill_structs ();
 
-  printf ("sizeof (char) == %d\n", (int) sizeof (char));
-  printf ("sizeof (short) == %d\n", (int) sizeof (short));
-  printf ("sizeof (int) == %d\n", (int) sizeof (int));
-  printf ("sizeof (long) == %d\n", (int) sizeof (long));
-  printf ("sizeof (long long) == %d\n", (int) sizeof (long long));
-
-  printf ("sizeof (void *) == %d\n", (int) sizeof (void*));
-  printf ("sizeof (void (*)(void)) == %d\n", (int) sizeof (void (*)(void)));
-
-  printf ("sizeof (float) == %d\n", (int) sizeof (float));
-  printf ("sizeof (double) == %d\n", (int) sizeof (double));
-  printf ("sizeof (long double) == %d\n", (int) sizeof (long double));
+  size = (int) sizeof (char);
+  size = (int) sizeof (short);
+  size = (int) sizeof (int);
+  size = (int) sizeof (long);
+  size = (int) sizeof (long long);
+  size = (int) sizeof (void*);
+  size = (int) sizeof (void (*)(void));
+  size = (int) sizeof (float);
+  size = (int) sizeof (double);
+  size = (int) sizeof (long double);
 
   /* Signed char?  */
-  printf ("valueof ('\\377') == %d\n", '\377');
-  printf ("valueof ((int) (char) -1) == %d\n", (int) (char) -1);
-  printf ("valueof ((int) (signed char) -1) == %d\n", (int) (signed char) -1);
-  printf ("valueof ((int) (unsigned char) -1) == %d\n", (int) (unsigned char) -1);
+  value = '\377';
+  value = (int) (char) -1;
+  value = (int) (signed char) -1;
+  value = (int) (unsigned char) -1;
 
   return 0;
 }
diff --git a/gdb/testsuite/gdb.base/sizeof.exp b/gdb/testsuite/gdb.base/sizeof.exp
index ce6b7ed..550f80d 100644
--- a/gdb/testsuite/gdb.base/sizeof.exp
+++ b/gdb/testsuite/gdb.base/sizeof.exp
@@ -15,11 +15,6 @@ 
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-if [target_info exists gdb,noinferiorio] {
-    verbose "Skipping sizeof.exp because of no fileio capabilities."
-    continue
-}
-
 #
 # test running programs
 #
@@ -48,7 +43,7 @@  if ![runto_main] then {
 # Query GDB for the size of various types
 #
 
-gdb_test "next 2"
+gdb_test "next"
 
 set sizeof_char [get_sizeof "char" 1]
 set sizeof_short [get_sizeof "short" 2]
@@ -68,12 +63,8 @@  set sizeof_long_double [get_sizeof "long double" 8]
 #
 
 proc check_sizeof { type size } {
-    global gdb_prompt
-
-    set pat [string_to_regexp "sizeof (${type}) == ${size}\r\n"]
-    gdb_test_stdio "next" "${pat}" \
-	"\[0-9\].*" \
-	"check sizeof \"$type\""
+    gdb_test "next" "" ""
+    gdb_test "p size" " = ${size}" "check sizeof \"$type\""
 }
 
 check_sizeof "char" ${sizeof_char}
@@ -90,12 +81,8 @@  check_sizeof "double" ${sizeof_double}
 check_sizeof "long double" ${sizeof_long_double}
 
 proc check_valueof { exp val } {
-    global gdb_prompt
-
-    set pat [string_to_regexp "valueof (${exp}) == ${val}\r\n"]
-    gdb_test_stdio "next" "${pat}" \
-	"\[0-9\].*" \
-	"check valueof \"$exp\""
+    gdb_test "next" "" ""
+    gdb_test "p value" " = ${val}" "check valueof \"$exp\""
 }
 
 # Check that GDB and the target agree over the sign of a character.