probes/lttng-types.h

   1 /*
   2  * Protect against multiple inclusion of structure declarations, but run the
   3  * stages below each time.
   4  */
   5 #ifndef _LTTNG_PROBES_LTTNG_TYPES_H
   6 #define _LTTNG_PROBES_LTTNG_TYPES_H
   7
   8 /*
   9  * probes/lttng-types.h
  10  *
  11  * Copyright 2010 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  12  *
  13  * LTTng types.
  14  *
  15  * Dual LGPL v2.1/GPL v2 license.
  16  */
  17
  18 #include <linux/seq_file.h>
  19 #include "lttng.h"
  20 #include "../lttng-events.h"
  21 #include "../lttng-tracer.h"
  22 #include "../lttng-endian.h"
  23
  24 #endif /* _LTTNG_PROBES_LTTNG_TYPES_H */
  25
  26 /* Export enumerations */
  27
  28 #ifdef STAGE_EXPORT_ENUMS
  29
  30 #undef TRACE_EVENT_TYPE
  31 #define TRACE_EVENT_TYPE(_name, _abstract_type, args...)
  32
  33 #undef TRACE_EVENT_ENUM
  34 #define TRACE_EVENT_ENUM(_name, _entries...)                            \
  35         const struct lttng_enum_entry __trace_event_enum_##_name[] = {  \
  36                 PARAMS(_entries)                                        \
  37         };
  38
  39 /* Enumeration entry (single value) */
  40 #undef V
  41 #define V(_string)              { _string, _string, #_string}
  42
  43 /* Enumeration entry (range) */
  44 #undef R
  45 #define R(_string, _range_start, _range_end)                            \
  46         { _range_start, _range_end, #_string }
  47
  48 #endif /* STAGE_EXPORT_ENUMS */
  49
  50
  51 /* Export named types */
  52
  53 #ifdef STAGE_EXPORT_TYPES
  54
  55 #undef TRACE_EVENT_TYPE___enum
  56 #define TRACE_EVENT_TYPE___enum(_name, _container_type)                 \
  57                 {                                                       \
  58                   .name = #_name,                                       \
  59                   .container_type = __type_integer(_container_type, __BYTE_ORDER, 10, none), \
  60                   .entries = __trace_event_enum_##_name, \
  61                   .len = ARRAY_SIZE(__trace_event_enum_##_name), \
  62                 },
  63
  64 /* Local declaration */
  65 #undef TRACE_EVENT_TYPE
  66 #define TRACE_EVENT_TYPE(_name, _abstract_type, args...)        \
  67                 TRACE_EVENT_TYPE___##_abstract_type(_name, args)
  68
  69 #undef TRACE_EVENT_ENUM
  70 #define TRACE_EVENT_ENUM(_name, _entries...)
  71
  72 #endif /* STAGE_EXPORT_TYPES */