include/lttng/event-rule/kernel-kprobe-internal.hpp

   1 /*
   2  * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_EVENT_RULE_KERNEL_KPROBE_INTERNAL_H
   9 #define LTTNG_EVENT_RULE_KERNEL_KPROBE_INTERNAL_H
  10
  11 #include <common/macros.hpp>
  12 #include <common/payload-view.hpp>
  13
  14 #include <lttng/event-rule/event-rule-internal.hpp>
  15 #include <lttng/event-rule/kernel-kprobe.h>
  16
  17 struct lttng_event_rule_kernel_kprobe {
  18         struct lttng_event_rule parent;
  19         char *name;
  20         struct lttng_kernel_probe_location *location;
  21 };
  22
  23 struct lttng_event_rule_kernel_kprobe_comm {
  24         /* Includes terminator `\0`. */
  25         uint32_t name_len;
  26         uint32_t location_len;
  27         /*
  28          * Payload is composed of, in that order:
  29          *   - name (null terminated),
  30          *   - kernel probe location object.
  31          */
  32         char payload[];
  33 } LTTNG_PACKED;
  34
  35 ssize_t lttng_event_rule_kernel_kprobe_create_from_payload(struct lttng_payload_view *payload,
  36                                                            struct lttng_event_rule **rule);
  37
  38 #endif /* LTTNG_EVENT_RULE_KERNEL_KPROBE_INTERNAL_H */