include/lttng/event-rule/kretprobe-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_KRETPROBE_INTERNAL_H
   9 #define LTTNG_EVENT_RULE_KRETPROBE_INTERNAL_H
  10
  11 #include <common/buffer-view.h>
  12 #include <common/macros.h>
  13 #include <lttng/event-rule/event-rule-internal.h>
  14 #include <lttng/event-rule/kretprobe.h>
  15
  16 struct lttng_event_rule_kretprobe {
  17         struct lttng_event_rule parent;
  18         char *name;
  19         struct {
  20                 uint64_t address;
  21                 uint64_t offset;
  22                 char *symbol_name;
  23         } probe;
  24 };
  25
  26 struct lttng_event_rule_kretprobe_comm {
  27         uint32_t name_len;
  28         uint32_t probe_symbol_len;
  29         /*name, probe symbol_name */
  30         char payload[];
  31 } LTTNG_PACKED;
  32
  33 LTTNG_HIDDEN
  34 ssize_t lttng_event_rule_kretprobe_create_from_buffer(
  35                 const struct lttng_buffer_view *view,
  36                 struct lttng_event_rule **rule);
  37
  38 LTTNG_HIDDEN
  39 uint64_t lttng_event_rule_kretprobe_get_address(
  40                 const struct lttng_event_rule *rule);
  41
  42 LTTNG_HIDDEN
  43 uint64_t lttng_event_rule_kretprobe_get_offset(
  44                 const struct lttng_event_rule *rule);
  45
  46 LTTNG_HIDDEN
  47 const char *lttng_event_rule_kretprobe_get_symbol_name(
  48                 const struct lttng_event_rule *rule);
  49
  50 #endif /* LTTNG_EVENT_RULE_KRETPROBE_INTERNAL_H */