move everything out of trunk

[lttv.git] / tests / markers / probe-vararg.c

diff --git a/tests/markers/probe-vararg.c b/tests/markers/probe-vararg.c
new file mode 100644 (file)
index 0000000..1ada1fd
--- /dev/null
+++ b/tests/markers/probe-vararg.c
@@ -0,0 +1,53 @@
+/* probe.c
+ *
+ * Loads a function at a marker call site.
+ *
+ * (C) Copyright 2006 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
+ *
+ * This file is released under the GPLv2.
+ * See the file COPYING for more details.
+ */
+
+#include <linux/marker.h>
+#include <linux/module.h>
+#include <linux/kallsyms.h>
+
+
+int value;
+void *ptr;
+
+/* function to install */
+#define DO_MARK1_FORMAT "%d %p"
+void do_mark1(const char *format, ...)
+{
+       va_list ap;
+
+       va_start(ap, format);
+       value = va_arg(ap, int);
+       ptr = va_arg(ap, void*);
+       
+       va_end(ap);
+}
+
+int init_module(void)
+{
+       int result;
+       result = marker_set_probe("subsys_mark1", DO_MARK1_FORMAT,
+                       (marker_probe_func*)do_mark1);
+       if(!result) goto end;
+
+       return 0;
+
+end:
+       marker_remove_probe(do_mark1);
+       return -EPERM;
+}
+
+void cleanup_module(void)
+{
+       marker_remove_probe(do_mark1);
+}
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mathieu Desnoyers");
+MODULE_DESCRIPTION("Probe");