diff --git a/gdb/testsuite/gdb.base/call-strs.exp b/gdb/testsuite/gdb.base/call-strs.exp
index 5aab943..e11296f 100644
--- a/gdb/testsuite/gdb.base/call-strs.exp
+++ b/gdb/testsuite/gdb.base/call-strs.exp
@@ -77,62 +77,72 @@ gdb_test "print s" \
 
 #print str_func1(s)
 if ![gdb_skip_stdio_test "print str_func1(s)"] {
-    gdb_test "print str_func1(s)" \
-	"first string arg is: test string.*\"test string\".*"
+    gdb_test_stdio "print str_func1(s)" \
+	"first string arg is: test string" \
+	"\"test string\".*"
 }
 
 #print str_func1("test string")
 if ![gdb_skip_stdio_test "print str_func1(teststring)"] {
-    gdb_test "print str_func1(\"test string\")" \
-	"first string arg is: test string.*\"test string\".*"
+    gdb_test_stdio "print str_func1(\"test string\")" \
+	"first string arg is: test string" \
+	"\"test string\".*"
 }
 
 #call str_func1(s)
 if ![gdb_skip_stdio_test "call str_func1(s)"] {
-    gdb_test "call str_func1(s)" \
-	"first string arg is: test string.*\"test string\".*"
+    gdb_test_stdio "call str_func1(s)" \
+	"first string arg is: test string" \
+	"\"test string\".*"
 }
 
 #call str_func1("test string")
 if ![gdb_skip_stdio_test "call str_func1 (...)"] {
-    gdb_test "call str_func1(\"test string\")" \
-	"first string arg is: test string.*\"test string\".*"
+    gdb_test_stdio "call str_func1(\"test string\")" \
+	"first string arg is: test string" \
+	"\"test string\".*"
 }
 
 #print str_func1(buf)
 if ![gdb_skip_stdio_test "print str_func1(buf)"] {
-    gdb_test "print str_func1(buf)" \
-	"first string arg is: test string.*\"test string\".*"
+    gdb_test_stdio "print str_func1(buf)" \
+	"first string arg is: test string" \
+	"\"test string\".*"
 }
 
 #call str_func1(buf)
 if ![gdb_skip_stdio_test "call str_func1(buf)"] {
-    gdb_test "call str_func1(buf)" \
-	"first string arg is: test string.*\"test string\".*"
+    gdb_test_stdio "call str_func1(buf)" \
+	"first string arg is: test string" \
+	"\"test string\".*"
 }
 
 #print str_func("a","b","c","d","e","f","g")
 if ![gdb_skip_stdio_test "print str_func(a,b,c,d,e,f,g)"] {
-    gdb_test "print str_func(\"a\",\"b\",\"c\",\"d\",\"e\",\"f\",\"g\")" \
-	"first string arg is: a\[ \t\r\n\]+second string arg is: b\[ \t\r\n\]+third string arg is: c\[ \t\r\n\]+fourth string arg is: d\[ \t\r\n\]+fifth string arg is: e\[ \t\r\n\]+sixth string arg is: f\[ \t\r\n\]+seventh string arg is: g\[ \t\r\n\]+.*= \"abcdefg\".*"
+    gdb_test_stdio "print str_func(\"a\",\"b\",\"c\",\"d\",\"e\",\"f\",\"g\")" \
+	"first string arg is: a\[ \t\r\n\]+second string arg is: b\[ \t\r\n\]+third string arg is: c\[ \t\r\n\]+fourth string arg is: d\[ \t\r\n\]+fifth string arg is: e\[ \t\r\n\]+sixth string arg is: f\[ \t\r\n\]+seventh string arg is: g\[ \t\r\n\]+" \
+	"= \"abcdefg\".*"
 }
 
 #call str_func("a","b","c","d","e","f","g")
 if ![gdb_skip_stdio_test "call str_func(a,b,c,d,e,f,g)"] {
-    gdb_test "call str_func(\"a\",\"b\",\"c\",\"d\",\"e\",\"f\",\"g\")" \
-	"first string arg is: a\[ \t\r\n\]+second string arg is: b\[ \t\r\n\]+third string arg is: c\[ \t\r\n\]+fourth string arg is: d\[ \t\r\n\]+fifth string arg is: e\[ \t\r\n\]+sixth string arg is: f\[ \t\r\n\]+seventh string arg is: g\[ \t\r\n\]+.*= \"abcdefg\".*"
+    gdb_test_stdio "call str_func(\"a\",\"b\",\"c\",\"d\",\"e\",\"f\",\"g\")" \
+	"first string arg is: a\[ \t\r\n\]+second string arg is: b\[ \t\r\n\]+third string arg is: c\[ \t\r\n\]+fourth string arg is: d\[ \t\r\n\]+fifth string arg is: e\[ \t\r\n\]+sixth string arg is: f\[ \t\r\n\]+seventh string arg is: g\[ \t\r\n\]+" \
+	"= \"abcdefg\".*"
 }
 
 #print str_func(s,s,s,s,s,s,s)
 if ![gdb_skip_stdio_test "print str_func(s,s,s,s,s,s,s,s)"] {
-    gdb_test "print str_func(s,s,s,s,s,s,s)" \
-	"first string arg is: test string\[ \t\r\n\]+second string arg is: test string\[ \t\r\n\]+third string arg is: test string\[ \t\r\n\]+fourth string arg is: test string\[ \t\r\n\]+fifth string arg is: test string\[ \t\r\n\]+sixth string arg is: test string\[ \t\r\n\]+seventh string arg is: test string\[ \t\r\n\]+.*\"test stringtest stringtest stringtest stringtest stringtest stringtest string\".*"
+    gdb_test_stdio "print str_func(s,s,s,s,s,s,s)" \
+	"first string arg is: test string\[ \t\r\n\]+second string arg is: test string\[ \t\r\n\]+third string arg is: test string\[ \t\r\n\]+fourth string arg is: test string\[ \t\r\n\]+fifth string arg is: test string\[ \t\r\n\]+sixth string arg is: test string\[ \t\r\n\]+seventh string arg is: test string\[ \t\r\n\]+" \
+    "\"test stringtest stringtest stringtest stringtest stringtest stringtest string\".*"
 }
 
 #call str_func(s,s,s,s,s,s,s)
 if ![gdb_skip_stdio_test "call str_func(s,s,s,s,s,s,s,s)"] {
-    gdb_test "call str_func(s,s,s,s,s,s,s)" \
-	"first string arg is: test string\[ \t\r\n\]+second string arg is: test string\[ \t\r\n\]+third string arg is: test string\[ \t\r\n\]+fourth string arg is: test string\[ \t\r\n\]+fifth string arg is: test string\[ \t\r\n\]+sixth string arg is: test string\[ \t\r\n\]+seventh string arg is: test string\[ \t\r\n\]+.*\"test stringtest stringtest stringtest stringtest stringtest stringtest string\".*"
+    gdb_test_stdio "call str_func(s,s,s,s,s,s,s)" \
+	"first string arg is: test string\[ \t\r\n\]+second string arg is: test string\[ \t\r\n\]+third string arg is: test string\[ \t\r\n\]+fourth string arg is: test string\[ \t\r\n\]+fifth string arg is: test string\[ \t\r\n\]+sixth string arg is: test string\[ \t\r\n\]+seventh string arg is: test string\[ \t\r\n\]+" \
+	"\"test stringtest stringtest stringtest stringtest stringtest stringtest string\".*"
 }
 
 gdb_exit
