include/lttng/event-rule/kernel-function-internal.h

   1 /*
   2  * Copyright (C) 2021 Francis Deslauriers <francis.deslauriers@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_EVENT_RULE_KERNEL_FUNCTION_INTERNAL_H
   9 #define LTTNG_EVENT_RULE_KERNEL_FUNCTION_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/kernel-function.h>
  15
  16 struct lttng_event_rule_kernel_function {
  17         struct lttng_event_rule parent;
  18         char *name;
  19         struct lttng_kernel_function_location *location;
  20 };
  21
  22 struct lttng_event_rule_kernel_function_comm {
  23         /* Includes terminator `\0`. */
  24         uint32_t name_len;
  25         uint32_t location_len;
  26         /*
  27          * Payload is composed of, in that order:
  28          *   - name (null terminated),
  29          *   - kernel function location object.
  30          */
  31         char payload[];
  32 } LTTNG_PACKED;
  33
  34 LTTNG_HIDDEN
  35 ssize_t lttng_event_rule_kernel_function_create_from_payload(
  36                 struct lttng_payload_view *payload,
  37                 struct lttng_event_rule **rule);
  38
  39 #endif /* LTTNG_EVENT_RULE_KERNEL_FUNCTION_INTERNAL_H */