diff --git a/script/tf-coverity/utils.py b/script/tf-coverity/utils.py
new file mode 100644
index 0000000..f86667f
--- /dev/null
+++ b/script/tf-coverity/utils.py
@@ -0,0 +1,20 @@
+#!/usr/bin/env python3
+#
+# Copyright (c) 2019, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+import subprocess
+
+def exec_prog(prog, args=[], out=None, out_text_mode=False):
+    # Build the command line to execute
+    cmd = [ prog ] + args
+
+    # Spawn process.
+    # Note: The standard error output is captured into the same file handle as
+    # for stdout.
+    process = subprocess.Popen(cmd, stdout=out, stderr=subprocess.STDOUT,
+                               universal_newlines=out_text_mode, bufsize=0)
+    print("Spawned process with PID %u" % process.pid)
+    return process