Add kprobes support

[lttng-modules.git] / ltt-events.h

diff --git a/ltt-events.h b/ltt-events.h
index 7076185308f59fce9140ff87e8a438a28ba7ef27..42e12c0af19172c6ddc5f67b44cbf73b0d851edd 100644 (file)
--- a/ltt-events.h
+++ b/ltt-events.h
@@ -11,6 +11,7 @@
 
 #include <linux/list.h>
 #include <linux/uuid.h>
+#include <linux/kprobes.h>
 #include "ltt-debugfs-abi.h"
 
 struct ltt_channel;
@@ -129,6 +130,12 @@ struct ltt_event {
        const struct lttng_event_desc *desc;
        void *filter;
        enum lttng_kernel_instrumentation instrumentation;
+       union {
+               struct {
+                       struct kprobe kp;
+                       char *symbol_name;
+               } kprobe;
+       } u;
        struct list_head list;          /* Event list */
        int metadata_dumped:1;
 };
@@ -209,7 +216,7 @@ void _ltt_channel_destroy(struct ltt_channel *chan);
 
 struct ltt_event *ltt_event_create(struct ltt_channel *chan,
                                   char *name,
-                                  enum lttng_kernel_instrumentation instrumentation,
+                                  struct lttng_kernel_event *event_param,
                                   const struct lttng_event_desc *event_desc,
                                   void *filter);
 int ltt_event_unregister(struct ltt_event *event);
@@ -227,4 +234,6 @@ void ltt_event_put(const struct lttng_event_desc *desc);
 int ltt_probes_init(void);
 void ltt_probes_exit(void);
 
+void lttng_kprobes_handler_pre(struct kprobe *p, struct pt_regs *regs);
+
 #endif /* _LTT_EVENTS_H */