[lttng-modules.git] / include / lttng / types.h

/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
 *
 * lttng/types.h
 *
 * LTTng types.
 *
 * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 */

/*
 * Protect against multiple inclusion of structure declarations, but run the
 * stages below each time.
 */
#ifndef _LTTNG_PROBES_LTTNG_TYPES_H
#define _LTTNG_PROBES_LTTNG_TYPES_H

#include <linux/seq_file.h>
#include <lttng/events.h>
#include <lttng/tracer.h>
#include <lttng/endian.h>

#endif /* _LTTNG_PROBES_LTTNG_TYPES_H */

#undef PARAMS
#define PARAMS(args...)		args

/* Export enumerations */

#ifdef STAGE_EXPORT_ENUMS

#undef TRACE_EVENT_TYPE
#define TRACE_EVENT_TYPE(_name, _abstract_type, args...)

#undef TRACE_EVENT_ENUM
#define TRACE_EVENT_ENUM(_name, _entries...)				\
	const struct lttng_kernel_enum_entry __trace_event_enum_##_name[] = {	\
		PARAMS(_entries)					\
	};

/* Enumeration entry (single value) */
#undef V
#define V(_string)		{ _string, _string, #_string}

/* Enumeration entry (range) */
#undef R
#define R(_string, _range_start, _range_end)				\
	{ _range_start, _range_end, #_string }

#endif /* STAGE_EXPORT_ENUMS */


/* Export named types */

#ifdef STAGE_EXPORT_TYPES

#undef TRACE_EVENT_TYPE___enum
#define TRACE_EVENT_TYPE___enum(_name, _container_type)			\
		{							\
		  .name = #_name,					\
		  .container_type = __type_integer(_container_type, 0, 0, -1, __BYTE_ORDER, 10, none), \
		  .entries = __trace_event_enum_##_name, \
		  .len = ARRAY_SIZE(__trace_event_enum_##_name), \
		},

/* Local declaration */
#undef TRACE_EVENT_TYPE
#define TRACE_EVENT_TYPE(_name, _abstract_type, args...)	\
		TRACE_EVENT_TYPE___##_abstract_type(_name, args)

#undef TRACE_EVENT_ENUM
#define TRACE_EVENT_ENUM(_name, _entries...)

#endif /* STAGE_EXPORT_TYPES */
Commit	Line	Data
b7cdc182	1	/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
9f36eaed	2	*
3b4aafcb	3	* lttng/types.h
17baffe2	4	*
17baffe2 MD	5	* LTTng types.
17baffe2 MD	6	*
886d51a3	7	* Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
17baffe2 MD	8	*/
17baffe2 MD	9
9f36eaed MJ	10	/*
	11	* Protect against multiple inclusion of structure declarations, but run the
	12	* stages below each time.
	13	*/
	14	#ifndef _LTTNG_PROBES_LTTNG_TYPES_H
	15	#define _LTTNG_PROBES_LTTNG_TYPES_H
	16
d0dd2ecb	17	#include <linux/seq_file.h>
2df37e95 MD	18	#include <lttng/events.h>
	19	#include <lttng/tracer.h>
	20	#include <lttng/endian.h>
1d12cebd	21
40652b65 MD	22	#endif /* _LTTNG_PROBES_LTTNG_TYPES_H */
40652b65 MD	23
3b4aafcb MD	24	#undef PARAMS
	25	#define PARAMS(args...) args
	26
40652b65 MD	27	/* Export enumerations */
	28
	29	#ifdef STAGE_EXPORT_ENUMS
	30
	31	#undef TRACE_EVENT_TYPE
	32	#define TRACE_EVENT_TYPE(_name, _abstract_type, args...)
	33
	34	#undef TRACE_EVENT_ENUM
	35	#define TRACE_EVENT_ENUM(_name, _entries...) \
a28cc520	36	const struct lttng_kernel_enum_entry __trace_event_enum_##_name[] = { \
40652b65 MD	37	PARAMS(_entries) \
	38	};
	39
	40	/* Enumeration entry (single value) */
	41	#undef V
	42	#define V(_string) { _string, _string, #_string}
	43
	44	/* Enumeration entry (range) */
	45	#undef R
	46	#define R(_string, _range_start, _range_end) \
	47	{ _range_start, _range_end, #_string }
	48
	49	#endif /* STAGE_EXPORT_ENUMS */
	50
	51
	52	/* Export named types */
	53
	54	#ifdef STAGE_EXPORT_TYPES
	55
40652b65	56	#undef TRACE_EVENT_TYPE___enum
c099397a MD	57	#define TRACE_EVENT_TYPE___enum(_name, _container_type) \
	58	{ \
	59	.name = #_name, \
43803cf2	60	.container_type = __type_integer(_container_type, 0, 0, -1, __BYTE_ORDER, 10, none), \
c099397a MD	61	.entries = __trace_event_enum_##_name, \
c099397a MD	62	.len = ARRAY_SIZE(__trace_event_enum_##_name), \
40652b65 MD	63	},
	64
	65	/* Local declaration */
	66	#undef TRACE_EVENT_TYPE
	67	#define TRACE_EVENT_TYPE(_name, _abstract_type, args...) \
	68	TRACE_EVENT_TYPE___##_abstract_type(_name, args)
	69
	70	#undef TRACE_EVENT_ENUM
	71	#define TRACE_EVENT_ENUM(_name, _entries...)
	72
	73	#endif /* STAGE_EXPORT_TYPES */