[lttng-ust.git] / liblttng-ust / tracepoint-internal.h

/*
 * SPDX-License-Identifier: LGPL-2.1-only
 *
 * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 */

#ifndef _LTTNG_TRACEPOINT_INTERNAL_H
#define _LTTNG_TRACEPOINT_INTERNAL_H

#include <urcu/list.h>
#include <lttng/tracepoint-types.h>
#include <lttng/ust-events.h>

#define TRACE_DEFAULT	TRACE_DEBUG_LINE

struct tracepoint_lib {
	struct cds_list_head list;	/* list of registered libs */
	struct lttng_ust_tracepoint * const *tracepoints_start;
	int tracepoints_count;
	struct cds_list_head callsites;
};

int tracepoint_probe_register_noupdate(const char *name,
		void (*callback)(void), void *priv,
		const char *signature)
	__attribute__((visibility("hidden")));

int tracepoint_probe_unregister_noupdate(const char *name,
		void (*callback)(void), void *priv)
	__attribute__((visibility("hidden")));

void tracepoint_probe_update_all(void)
	__attribute__((visibility("hidden")));


void *lttng_ust_tp_check_weak_hidden1(void)
	__attribute__((visibility("hidden")));

void *lttng_ust_tp_check_weak_hidden2(void)
	__attribute__((visibility("hidden")));

void *lttng_ust_tp_check_weak_hidden3(void)
	__attribute__((visibility("hidden")));

/*
 * These symbols are ABI between liblttng-ust-tracepoint and liblttng-ust,
 * which is why they are not hidden and not part of the public API.
 */
int lttng_ust_tp_probe_register_queue_release(const char *name,
		void (*func)(void), void *data, const char *signature);
int lttng_ust_tp_probe_unregister_queue_release(const char *name,
		void (*func)(void), void *data);
void lttng_ust_tp_probe_prune_release_queue(void);

void lttng_ust_tp_init(void);
void lttng_ust_tp_exit(void);


#endif /* _LTTNG_TRACEPOINT_INTERNAL_H */
Commit	Line	Data
	1	/*
	2	* SPDX-License-Identifier: LGPL-2.1-only
	3	*
	4	* Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	5	*/
	6
	7	#ifndef _LTTNG_TRACEPOINT_INTERNAL_H
	8	#define _LTTNG_TRACEPOINT_INTERNAL_H
	9
	10	#include <urcu/list.h>
	11	#include <lttng/tracepoint-types.h>
	12	#include <lttng/ust-events.h>
	13
	14	#define TRACE_DEFAULT TRACE_DEBUG_LINE
	15
	16	struct tracepoint_lib {
	17	struct cds_list_head list; /* list of registered libs */
	18	struct lttng_ust_tracepoint * const *tracepoints_start;
	19	int tracepoints_count;
	20	struct cds_list_head callsites;
	21	};
	22
	23	int tracepoint_probe_register_noupdate(const char *name,
	24	void (callback)(void), void priv,
	25	const char *signature)
	26	__attribute__((visibility("hidden")));
	27
	28	int tracepoint_probe_unregister_noupdate(const char *name,
	29	void (callback)(void), void priv)
	30	__attribute__((visibility("hidden")));
	31
	32	void tracepoint_probe_update_all(void)
	33	__attribute__((visibility("hidden")));
	34
	35
	36	void *lttng_ust_tp_check_weak_hidden1(void)
	37	__attribute__((visibility("hidden")));
	38
	39	void *lttng_ust_tp_check_weak_hidden2(void)
	40	__attribute__((visibility("hidden")));
	41
	42	void *lttng_ust_tp_check_weak_hidden3(void)
	43	__attribute__((visibility("hidden")));
	44
	45	/*
	46	* These symbols are ABI between liblttng-ust-tracepoint and liblttng-ust,
	47	* which is why they are not hidden and not part of the public API.
	48	*/
	49	int lttng_ust_tp_probe_register_queue_release(const char *name,
	50	void (func)(void), void data, const char *signature);
	51	int lttng_ust_tp_probe_unregister_queue_release(const char *name,
	52	void (func)(void), void data);
	53	void lttng_ust_tp_probe_prune_release_queue(void);
	54
	55	void lttng_ust_tp_init(void);
	56	void lttng_ust_tp_exit(void);
	57
	58
	59	#endif /* _LTTNG_TRACEPOINT_INTERNAL_H */