[lttng-ust.git] / liblttng-ust / tracelog.c

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

#define _LGPL_SOURCE
#include <stdio.h>
#include <ust-helper.h>

#define TRACEPOINT_CREATE_PROBES
#define TRACEPOINT_DEFINE
#include "lttng-ust-tracelog-provider.h"

#define 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; \
		__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); \
	}

TRACELOG_CB(TRACE_EMERG)
TRACELOG_CB(TRACE_ALERT)
TRACELOG_CB(TRACE_CRIT)
TRACELOG_CB(TRACE_ERR)
TRACELOG_CB(TRACE_WARNING)
TRACELOG_CB(TRACE_NOTICE)
TRACELOG_CB(TRACE_INFO)
TRACELOG_CB(TRACE_DEBUG_SYSTEM)
TRACELOG_CB(TRACE_DEBUG_PROGRAM)
TRACELOG_CB(TRACE_DEBUG_PROCESS)
TRACELOG_CB(TRACE_DEBUG_MODULE)
TRACELOG_CB(TRACE_DEBUG_UNIT)
TRACELOG_CB(TRACE_DEBUG_FUNCTION)
TRACELOG_CB(TRACE_DEBUG_LINE)
TRACELOG_CB(TRACE_DEBUG)
Commit	Line	Data
	1	/*
	2	* SPDX-License-Identifier: MIT
	3	*
	4	* Copyright (C) 2013-2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	5	*/
	6
	7	#define _LGPL_SOURCE
	8	#include <stdio.h>
	9	#include <ust-helper.h>
	10
	11	#define TRACEPOINT_CREATE_PROBES
	12	#define TRACEPOINT_DEFINE
	13	#include "lttng-ust-tracelog-provider.h"
	14
	15	#define TRACELOG_CB(level) \
	16	static inline \
	17	void __lttng_ust_vtracelog_##level(const char *file, \
	18	int line, const char *func, \
	19	const char *fmt, va_list ap) \
	20	__attribute__((always_inline, format(printf, 4, 0))); \
	21	\
	22	static inline \
	23	void __lttng_ust_vtracelog_##level(const char *file, \
	24	int line, const char *func, \
	25	const char *fmt, va_list ap) \
	26	{ \
	27	char *msg; \
	28	const int len = vasprintf(&msg, fmt, ap); \
	29	\
	30	/* len does not include the final \0 */ \
	31	if (len < 0) \
	32	goto end; \
	33	__tracepoint_cb_lttng_ust_tracelog___##level(file, \
	34	line, func, msg, len, \
	35	LTTNG_UST_CALLER_IP()); \
	36	free(msg); \
	37	end: \
	38	return; \
	39	} \
	40	\
	41	void _lttng_ust_vtracelog_##level(const char *file, \
	42	int line, const char *func, \
	43	const char *fmt, va_list ap) \
	44	__attribute__ ((format(printf, 4, 0))); \
	45	\
	46	void _lttng_ust_vtracelog_##level(const char *file, \
	47	int line, const char *func, \
	48	const char *fmt, va_list ap); \
	49	void _lttng_ust_vtracelog_##level(const char *file, \
	50	int line, const char *func, \
	51	const char *fmt, va_list ap) \
	52	{ \
	53	__lttng_ust_vtracelog_##level(file, line, func, fmt, ap); \
	54	} \
	55	\
	56	void _lttng_ust_tracelog_##level(const char *file, \
	57	int line, const char *func, \
	58	const char *fmt, ...) \
	59	__attribute__ ((format(printf, 4, 5))); \
	60	\
	61	void _lttng_ust_tracelog_##level(const char *file, \
	62	int line, const char *func, \
	63	const char *fmt, ...); \
	64	void _lttng_ust_tracelog_##level(const char *file, \
	65	int line, const char *func, \
	66	const char *fmt, ...) \
	67	{ \
	68	va_list ap; \
	69	\
	70	va_start(ap, fmt); \
	71	__lttng_ust_vtracelog_##level(file, line, func, fmt, ap); \
	72	va_end(ap); \
	73	}
	74
	75	TRACELOG_CB(TRACE_EMERG)
	76	TRACELOG_CB(TRACE_ALERT)
	77	TRACELOG_CB(TRACE_CRIT)
	78	TRACELOG_CB(TRACE_ERR)
	79	TRACELOG_CB(TRACE_WARNING)
	80	TRACELOG_CB(TRACE_NOTICE)
	81	TRACELOG_CB(TRACE_INFO)
	82	TRACELOG_CB(TRACE_DEBUG_SYSTEM)
	83	TRACELOG_CB(TRACE_DEBUG_PROGRAM)
	84	TRACELOG_CB(TRACE_DEBUG_PROCESS)
	85	TRACELOG_CB(TRACE_DEBUG_MODULE)
	86	TRACELOG_CB(TRACE_DEBUG_UNIT)
	87	TRACELOG_CB(TRACE_DEBUG_FUNCTION)
	88	TRACELOG_CB(TRACE_DEBUG_LINE)
	89	TRACELOG_CB(TRACE_DEBUG)