X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;ds=inline;f=tests%2Fmarkers%2Fprobe-vararg.c;fp=tests%2Fmarkers%2Fprobe-vararg.c;h=1ada1fd88fc013047c9512e8cb9990cf352cb77d;hb=31efe1f8304f09a4f4139c387a98d3215cd423c9;hp=0000000000000000000000000000000000000000;hpb=27828bc1b0010ee87c2f68e31fb77fd4ae39fa6b;p=lttv.git

diff --git a/tests/markers/probe-vararg.c b/tests/markers/probe-vararg.c
new file mode 100644
index 00000000..1ada1fd8
--- /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");