SoW-2019-0007-2: Dynamic Snapshot: Triggers send partial event payload with notifications

[lttng-tools.git] / include / lttng / event-rule / kprobe-internal.h

diff --git a/include/lttng/event-rule/kprobe-internal.h b/include/lttng/event-rule/kprobe-internal.h
new file mode 100644 (file)
index 0000000..fd45967
--- /dev/null
+++ b/include/lttng/event-rule/kprobe-internal.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#ifndef LTTNG_EVENT_RULE_KPROBE_INTERNAL_H
+#define LTTNG_EVENT_RULE_KPROBE_INTERNAL_H
+
+#include <common/buffer-view.h>
+#include <common/macros.h>
+#include <lttng/event-rule/event-rule-internal.h>
+#include <lttng/event-rule/kprobe.h>
+
+struct lttng_event_rule_kprobe {
+       struct lttng_event_rule parent;
+       char *name;
+       struct {
+               uint64_t address;
+               uint64_t offset;
+               char *symbol_name;
+               bool set;
+       } probe;
+};
+
+struct lttng_event_rule_kprobe_comm {
+       uint32_t name_len;
+       uint32_t probe_symbol_name_len;
+       uint64_t probe_address;
+       uint64_t probe_offset;
+       /* name, source symbol_name */
+       char payload[];
+} LTTNG_PACKED;
+
+LTTNG_HIDDEN
+ssize_t lttng_event_rule_kprobe_create_from_buffer(
+               const struct lttng_buffer_view *view,
+               struct lttng_event_rule **rule);
+
+LTTNG_HIDDEN
+uint64_t lttng_event_rule_kprobe_get_address(
+               const struct lttng_event_rule *rule);
+
+LTTNG_HIDDEN
+uint64_t lttng_event_rule_kprobe_get_offset(
+               const struct lttng_event_rule *rule);
+
+LTTNG_HIDDEN
+const char *lttng_event_rule_kprobe_get_symbol_name(
+               const struct lttng_event_rule *rule);
+
+#endif /* LTTNG_EVENT_RULE_KPROBE_INTERNAL_H */