1 files changed, 52 insertions, 0 deletions
diff --git a/testsuite/systemtap.base/externalvar.c b/testsuite/systemtap.base/externalvar.c
new file mode 100644
index 00000000..a7716029
--- /dev/null
+++ b/testsuite/systemtap.base/externalvar.c
@@ -0,0 +1,52 @@
+/* externalvar test case
+ * Copyright (C) 2009, Red Hat Inc.
+ *
+ * This file is part of systemtap, and is free software.  You can
+ * redistribute it and/or modify it under the terms of the GNU General
+ * Public License (GPL); either version 2, or (at your option) any
+ * later version.
+ *
+ * Tests that an external exported variable can be accessed.
+ */
+
+#include <stdlib.h>
+
+// function from our library
+int lib_main (void);
+
+struct exestruct
+{
+  char c;
+  int i;
+  long l;
+  struct exestruct *s1;
+  struct exestruct *s2;
+};
+
+char exevar_c;
+int exevar_i;
+long exevar_l;
+struct exestruct *exe_s;
+
+static void
+main_call ()
+{
+  asm (""); // dummy method, just to probe and extract and jump into lib.
+  lib_main ();
+}
+
+int
+main ()
+{
+  exevar_c = 42;
+  exevar_i = 2;
+  exevar_l = 21;
+  exe_s = (struct exestruct *) malloc(sizeof(struct exestruct));
+  exe_s->i =1;
+  exe_s->l =2;
+  exe_s->c =3;
+  exe_s->s1 = NULL;
+  exe_s->s2 = exe_s;
+  main_call ();
+  return 0;
+}