[lttng-ust.git] / src / lib / lttng-ust / tracelog.c

/*
 * SPDX-License-Identifier: MIT
 *
 * Copyright (C) 2013-2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 */

#define _LGPL_SOURCE
#include <stdio.h>
#include "common/macros.h"

/* The tracepoint definition is public, but the provider definition is hidden. */
#define LTTNG_UST_TRACEPOINT_PROVIDER_HIDDEN_DEFINITION

#define LTTNG_UST_TRACEPOINT_CREATE_PROBES
#define LTTNG_UST_TRACEPOINT_DEFINE
#include "lttng-ust-tracelog-provider.h"

#define LTTNG_UST_TRACELOG_CB(level) \
	static inline \
	void lttng_ust___vtracelog_##level(const char *file, \
			int line, const char *func, \
			const char *fmt, va_list ap) \
		__attribute__((always_inline, format(printf, 4, 0))); \
	\
	static inline \
	void lttng_ust___vtracelog_##level(const char *file, \
			int line, const char *func, \
			const char *fmt, va_list ap) \
	{ \
		char *msg; \
		const int len = vasprintf(&msg, fmt, ap); \
		\
		/* len does not include the final \0 */ \
		if (len < 0) \
			goto end; \
		lttng_ust_tracepoint_cb_lttng_ust_tracelog___##level(file, \
			line, func, msg, len, \
			LTTNG_UST_CALLER_IP()); \
		free(msg); \
	end: \
		return; \
	} \
	\
	void lttng_ust__vtracelog_##level(const char *file, \
			int line, const char *func, \
			const char *fmt, va_list ap) \
		__attribute__ ((format(printf, 4, 0))); \
	\
	void lttng_ust__vtracelog_##level(const char *file, \
			int line, const char *func, \
			const char *fmt, va_list ap); \
	void lttng_ust__vtracelog_##level(const char *file, \
			int line, const char *func, \
			const char *fmt, va_list ap) \
	{ \
		lttng_ust___vtracelog_##level(file, line, func, fmt, ap); \
	} \
	\
	void lttng_ust__tracelog_##level(const char *file, \
			int line, const char *func, \
			const char *fmt, ...) \
		__attribute__ ((format(printf, 4, 5))); \
	\
	void lttng_ust__tracelog_##level(const char *file, \
			int line, const char *func, \
			const char *fmt, ...); \
	void lttng_ust__tracelog_##level(const char *file, \
			int line, const char *func, \
			const char *fmt, ...) \
	{ \
		va_list ap; \
		\
		va_start(ap, fmt); \
		lttng_ust___vtracelog_##level(file, line, func, fmt, ap); \
		va_end(ap); \
	}

LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_EMERG)
LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_ALERT)
LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_CRIT)
LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_ERR)
LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_WARNING)
LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_NOTICE)
LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_INFO)
LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_SYSTEM)
LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_PROGRAM)
LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_PROCESS)
LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_MODULE)
LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_UNIT)
LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_FUNCTION)
LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_LINE)
LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG)
Commit	Line	Data
0cb03c85	1	/*
c0c0989a	2	* SPDX-License-Identifier: MIT
0cb03c85	3	*
c0c0989a	4	* Copyright (C) 2013-2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
0cb03c85 MD	5	*/
0cb03c85 MD	6
0cb03c85 MD	7	#define _LGPL_SOURCE
0cb03c85 MD	8	#include <stdio.h>
9d315d6d	9	#include "common/macros.h"
0cb03c85	10
6ba0c2b2 MD	11	/* The tracepoint definition is public, but the provider definition is hidden. */
	12	#define LTTNG_UST_TRACEPOINT_PROVIDER_HIDDEN_DEFINITION
	13
660323e6	14	#define LTTNG_UST_TRACEPOINT_CREATE_PROBES
88c7c4ea	15	#define LTTNG_UST_TRACEPOINT_DEFINE
0cb03c85 MD	16	#include "lttng-ust-tracelog-provider.h"
0cb03c85 MD	17
1698631b	18	#define LTTNG_UST_TRACELOG_CB(level) \
4199ddc7	19	static inline \
1698631b	20	void lttng_ust___vtracelog_##level(const char *file, \
4199ddc7 MJ	21	int line, const char *func, \
	22	const char *fmt, va_list ap) \
	23	__attribute__((always_inline, format(printf, 4, 0))); \
	24	\
	25	static inline \
1698631b	26	void lttng_ust___vtracelog_##level(const char *file, \
0cb03c85	27	int line, const char *func, \
bd9bb3c7	28	const char *fmt, va_list ap) \
0cb03c85	29	{ \
0cb03c85	30	char *msg; \
bd9bb3c7	31	const int len = vasprintf(&msg, fmt, ap); \
0cb03c85	32	\
0cb03c85 MD	33	/* len does not include the final \0 */ \
	34	if (len < 0) \
	35	goto end; \
0274f7f2	36	lttng_ust_tracepoint_cb_lttng_ust_tracelog___##level(file, \
0cb03c85	37	line, func, msg, len, \
171fcc6f	38	LTTNG_UST_CALLER_IP()); \
0cb03c85 MD	39	free(msg); \
0cb03c85 MD	40	end: \
bd9bb3c7 MRB	41	return; \
	42	} \
	43	\
1698631b	44	void lttng_ust__vtracelog_##level(const char *file, \
4199ddc7 MJ	45	int line, const char *func, \
	46	const char *fmt, va_list ap) \
	47	__attribute__ ((format(printf, 4, 0))); \
	48	\
1698631b	49	void lttng_ust__vtracelog_##level(const char *file, \
4b4a1337 MJ	50	int line, const char *func, \
4b4a1337 MJ	51	const char *fmt, va_list ap); \
1698631b	52	void lttng_ust__vtracelog_##level(const char *file, \
bd9bb3c7 MRB	53	int line, const char *func, \
	54	const char *fmt, va_list ap) \
	55	{ \
1698631b	56	lttng_ust___vtracelog_##level(file, line, func, fmt, ap); \
bd9bb3c7 MRB	57	} \
bd9bb3c7 MRB	58	\
1698631b	59	void lttng_ust__tracelog_##level(const char *file, \
4199ddc7 MJ	60	int line, const char *func, \
	61	const char *fmt, ...) \
	62	__attribute__ ((format(printf, 4, 5))); \
	63	\
1698631b	64	void lttng_ust__tracelog_##level(const char *file, \
4b4a1337 MJ	65	int line, const char *func, \
4b4a1337 MJ	66	const char *fmt, ...); \
1698631b	67	void lttng_ust__tracelog_##level(const char *file, \
bd9bb3c7 MRB	68	int line, const char *func, \
	69	const char *fmt, ...) \
	70	{ \
	71	va_list ap; \
	72	\
	73	va_start(ap, fmt); \
1698631b	74	lttng_ust___vtracelog_##level(file, line, func, fmt, ap); \
0cb03c85 MD	75	va_end(ap); \
	76	}
	77
1698631b MJ	78	LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_EMERG)
	79	LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_ALERT)
	80	LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_CRIT)
	81	LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_ERR)
	82	LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_WARNING)
	83	LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_NOTICE)
	84	LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_INFO)
	85	LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_SYSTEM)
	86	LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_PROGRAM)
	87	LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_PROCESS)
	88	LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_MODULE)
	89	LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_UNIT)
	90	LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_FUNCTION)
	91	LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG_LINE)
	92	LTTNG_UST_TRACELOG_CB(LTTNG_UST_TRACEPOINT_LOGLEVEL_DEBUG)