include/lttng/event-rule/userspace-probe-internal.h

   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_USERSPACE_PROBE_INTERNAL_H
   9 #define LTTNG_EVENT_RULE_USERSPACE_PROBE_INTERNAL_H
  10
  11 #include <common/payload-view.h>
  12 #include <common/macros.h>
  13 #include <lttng/event-rule/event-rule-internal.h>
  14 #include <lttng/event-rule/userspace-probe.h>
  15
  16 struct lttng_event_rule_userspace_probe {
  17         struct lttng_event_rule parent;
  18         char *name;
  19         struct lttng_userspace_probe_location *location;
  20 };
  21
  22 struct lttng_event_rule_userspace_probe_comm {
  23         /* Includes terminator `\0`. */
  24         uint32_t name_len;
  25         /* Includes terminator `\0`. */
  26         uint32_t location_len;
  27         /*
  28          * Payload is composed of, in that order:
  29          *   - name (null terminated),
  30          *   - user space probe location object.
  31          */
  32         char payload[];
  33 } LTTNG_PACKED;
  34
  35 LTTNG_HIDDEN
  36 ssize_t lttng_event_rule_userspace_probe_create_from_payload(
  37                 struct lttng_payload_view *view,
  38                 struct lttng_event_rule **rule);
  39
  40 LTTNG_HIDDEN
  41 struct lttng_userspace_probe_location *
  42 lttng_event_rule_userspace_probe_get_location_mutable(
  43                 const struct lttng_event_rule *rule);
  44
  45 #endif /* LTTNG_EVENT_RULE_USERSPACE_PROBE_INTERNAL_H */