include/lttng/event-rule/kprobe-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_KPROBE_INTERNAL_H
   9 #define LTTNG_EVENT_RULE_KPROBE_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/kprobe.h>
  15
  16 struct lttng_event_rule_kprobe {
  17         struct lttng_event_rule parent;
  18         char *name;
  19         struct {
  20                 uint64_t address;
  21                 uint64_t offset;
  22                 char *symbol_name;
  23                 bool set;
  24         } probe;
  25 };
  26
  27 struct lttng_event_rule_kprobe_comm {
  28         uint32_t name_len;
  29         uint32_t probe_symbol_name_len;
  30         uint64_t probe_address;
  31         uint64_t probe_offset;
  32         /* name, source symbol_name */
  33         char payload[];
  34 } LTTNG_PACKED;
  35
  36 LTTNG_HIDDEN
  37 ssize_t lttng_event_rule_kprobe_create_from_buffer(
  38                 const struct lttng_buffer_view *view,
  39                 struct lttng_event_rule **rule);
  40
  41 LTTNG_HIDDEN
  42 uint64_t lttng_event_rule_kprobe_get_address(
  43                 const struct lttng_event_rule *rule);
  44
  45 LTTNG_HIDDEN
  46 uint64_t lttng_event_rule_kprobe_get_offset(
  47                 const struct lttng_event_rule *rule);
  48
  49 LTTNG_HIDDEN
  50 const char *lttng_event_rule_kprobe_get_symbol_name(
  51                 const struct lttng_event_rule *rule);
  52
  53 #endif /* LTTNG_EVENT_RULE_KPROBE_INTERNAL_H */