3 files changed, 29 insertions, 2 deletions
diff --git a/testsuite/semok/cast.stp b/testsuite/semok/cast.stp
index 93da18ef..d30823cd 100755
--- a/testsuite/semok/cast.stp
+++ b/testsuite/semok/cast.stp
@@ -10,4 +10,8 @@ probe begin {
 
     // would be nice to test usermode @cast too,
     // but who knows what debuginfo is installed...
+
+    // check modules generated from headers
+    println(@cast(0, "task_struct", "kmod<linux/sched.h>")->tgid)
+    println(@cast(0, "timeval", "umod<sys/time.h>")->tv_sec)
 }
diff --git a/testsuite/systemtap.base/cast.exp b/testsuite/systemtap.base/cast.exp
index df3246e8..74c4d72a 100644
--- a/testsuite/systemtap.base/cast.exp
+++ b/testsuite/systemtap.base/cast.exp
@@ -1,4 +1,6 @@
 set test "cast"
 set ::result_string {PID OK
-execname OK}
-stap_run2 $srcdir/$subdir/$test.stp
+PID2 OK
+execname OK
+tv_sec OK}
+stap_run2 $srcdir/$subdir/$test.stp -g
diff --git a/testsuite/systemtap.base/cast.stp b/testsuite/systemtap.base/cast.stp
index bec0cc9b..33a14a28 100644
--- a/testsuite/systemtap.base/cast.stp
+++ b/testsuite/systemtap.base/cast.stp
@@ -10,6 +10,13 @@ probe begin
     else
         printf("PID %d != %d\n", pid, cast_pid)
 
+    // Compare PIDs using a generated kernel module
+    cast_pid = @cast(curr, "task_struct", "kmod<linux/sched.h>")->tgid
+    if (pid == cast_pid)
+        println("PID2 OK")
+    else
+        printf("PID2 %d != %d\n", pid, cast_pid)
+
     // Compare execnames
     name = execname()
     cast_name = kernel_string(@cast(curr, "task_struct")->comm)
@@ -18,5 +25,19 @@ probe begin
     else
         printf("execname \"%s\" != \"%s\"\n", name, cast_name)
 
+    // Compare tv_sec using a generated user module
+    sec = 42
+    cast_sec = @cast(get_timeval(sec), "timeval", "umod<sys/time.h>")->tv_sec
+    if (sec == cast_sec)
+        println("tv_sec OK")
+    else
+        printf("tv_sec %d != %d\n", sec, cast_sec)
+
     exit()
 }
+
+function get_timeval:long(sec:long) %{
+    static struct timeval mytime = {0};
+    mytime.tv_sec = THIS->sec;
+    THIS->__retvalue = (long)&mytime;
+%}