[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/macros.hpp>
#include <common/payload-view.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/macros.hpp>
	12	#include <common/payload-view.hpp>
	13
	14	#include <lttng/event-rule/event-rule-internal.hpp>
	15	#include <lttng/event-rule/kernel-kprobe.h>
	16
	17	struct lttng_event_rule_kernel_kprobe {
	18	struct lttng_event_rule parent;
	19	char *name;
	20	struct lttng_kernel_probe_location *location;
	21	};
	22
	23	struct lttng_event_rule_kernel_kprobe_comm {
	24	/* Includes terminator `\0`. */
	25	uint32_t name_len;
	26	uint32_t location_len;
	27	/*
	28	* Payload is composed of, in that order:
	29	* - name (null terminated),
	30	* - kernel probe location object.
	31	*/
	32	char payload[];
	33	} LTTNG_PACKED;
	34
	35	ssize_t lttng_event_rule_kernel_kprobe_create_from_payload(struct lttng_payload_view *payload,
	36	struct lttng_event_rule **rule);
	37
	38	#endif /* LTTNG_EVENT_RULE_KERNEL_KPROBE_INTERNAL_H */