probes/lttng-types.h

   1 /* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
   2  *
   3  * probes/lttng-types.h
   4  *
   5  * LTTng types.
   6  *
   7  * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   8  */
   9
  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
  17 #include <linux/seq_file.h>
  18 #include <probes/lttng.h>
  19 #include <lttng-events.h>
  20 #include <lttng-tracer.h>
  21 #include <lttng-endian.h>
  22
  23 #endif /* _LTTNG_PROBES_LTTNG_TYPES_H */
  24
  25 /* Export enumerations */
  26
  27 #ifdef STAGE_EXPORT_ENUMS
  28
  29 #undef TRACE_EVENT_TYPE
  30 #define TRACE_EVENT_TYPE(_name, _abstract_type, args...)
  31
  32 #undef TRACE_EVENT_ENUM
  33 #define TRACE_EVENT_ENUM(_name, _entries...)                            \
  34         const struct lttng_enum_entry __trace_event_enum_##_name[] = {  \
  35                 PARAMS(_entries)                                        \
  36         };
  37
  38 /* Enumeration entry (single value) */
  39 #undef V
  40 #define V(_string)              { _string, _string, #_string}
  41
  42 /* Enumeration entry (range) */
  43 #undef R
  44 #define R(_string, _range_start, _range_end)                            \
  45         { _range_start, _range_end, #_string }
  46
  47 #endif /* STAGE_EXPORT_ENUMS */
  48
  49
  50 /* Export named types */
  51
  52 #ifdef STAGE_EXPORT_TYPES
  53
  54 #undef TRACE_EVENT_TYPE___enum
  55 #define TRACE_EVENT_TYPE___enum(_name, _container_type)                 \
  56                 {                                                       \
  57                   .name = #_name,                                       \
  58                   .container_type = __type_integer(_container_type, 0, 0, -1, __BYTE_ORDER, 10, none), \
  59                   .entries = __trace_event_enum_##_name, \
  60                   .len = ARRAY_SIZE(__trace_event_enum_##_name), \
  61                 },
  62
  63 /* Local declaration */
  64 #undef TRACE_EVENT_TYPE
  65 #define TRACE_EVENT_TYPE(_name, _abstract_type, args...)        \
  66                 TRACE_EVENT_TYPE___##_abstract_type(_name, args)
  67
  68 #undef TRACE_EVENT_ENUM
  69 #define TRACE_EVENT_ENUM(_name, _entries...)
  70
  71 #endif /* STAGE_EXPORT_TYPES */