[lttng-tools.git] / include / lttng / event-rule / kernel-kprobe-internal.hpp

/*
 * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
 *
 * SPDX-License-Identifier: LGPL-2.1-only
 *
 */

#ifndef LTTNG_EVENT_RULE_KERNEL_KPROBE_INTERNAL_H
#define LTTNG_EVENT_RULE_KERNEL_KPROBE_INTERNAL_H

#include <common/payload-view.hpp>
#include <common/macros.hpp>
#include <lttng/event-rule/event-rule-internal.hpp>
#include <lttng/event-rule/kernel-kprobe.h>

struct lttng_event_rule_kernel_kprobe {
	struct lttng_event_rule parent;
	char *name;
	struct lttng_kernel_probe_location *location;
};

struct lttng_event_rule_kernel_kprobe_comm {
	/* Includes terminator `\0`. */
	uint32_t name_len;
	uint32_t location_len;
	/*
	 * Payload is composed of, in that order:
	 *   - name (null terminated),
	 *   - kernel probe location object.
	 */
	char payload[];
} LTTNG_PACKED;

ssize_t lttng_event_rule_kernel_kprobe_create_from_payload(
		struct lttng_payload_view *payload,
		struct lttng_event_rule **rule);

#endif /* LTTNG_EVENT_RULE_KERNEL_KPROBE_INTERNAL_H */
Commit	Line	Data
	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/payload-view.hpp>
	12	#include <common/macros.hpp>
	13	#include <lttng/event-rule/event-rule-internal.hpp>
	14	#include <lttng/event-rule/kernel-kprobe.h>
	15
	16	struct lttng_event_rule_kernel_kprobe {
	17	struct lttng_event_rule parent;
	18	char *name;
	19	struct lttng_kernel_probe_location *location;
	20	};
	21
	22	struct lttng_event_rule_kernel_kprobe_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 probe location object.
	30	*/
	31	char payload[];
	32	} LTTNG_PACKED;
	33
	34	ssize_t lttng_event_rule_kernel_kprobe_create_from_payload(
	35	struct lttng_payload_view *payload,
	36	struct lttng_event_rule **rule);
	37
	38	#endif /* LTTNG_EVENT_RULE_KERNEL_KPROBE_INTERNAL_H */