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 #include <linux/seq_file.h>
   9 #include "lttng.h"
  10 #include "../ltt-events.h"
  11 #include "../ltt-tracer.h"
  12 #include "../ltt-endian.h"
  13
  14 #endif /* _LTTNG_PROBES_LTTNG_TYPES_H */
  15
  16 /* Export enumerations */
  17
  18 #ifdef STAGE_EXPORT_ENUMS
  19
  20 #undef TRACE_EVENT_TYPE
  21 #define TRACE_EVENT_TYPE(_name, _abstract_type, args...)
  22
  23 #undef TRACE_EVENT_ENUM
  24 #define TRACE_EVENT_ENUM(_name, _entries...)                            \
  25         const struct lttng_enum_entry __trace_event_enum_##_name[] = {  \
  26                 PARAMS(_entries)                                        \
  27         };
  28
  29 /* Enumeration entry (single value) */
  30 #undef V
  31 #define V(_string)              { _string, _string, #_string}
  32
  33 /* Enumeration entry (range) */
  34 #undef R
  35 #define R(_string, _range_start, _range_end)                            \
  36         { _range_start, _range_end, #_string }
  37
  38 #endif /* STAGE_EXPORT_ENUMS */
  39
  40
  41 /* Export named types */
  42
  43 #ifdef STAGE_EXPORT_TYPES
  44
  45 #undef TRACE_EVENT_TYPE___enum
  46 #define TRACE_EVENT_TYPE___enum(_name, _container_type)                 \
  47                 {                                                       \
  48                   .name = #_name,                                       \
  49                   .container_type = __type_integer(_container_type, __BYTE_ORDER, 10, none), \
  50                   .entries = __trace_event_enum_##_name, \
  51                   .len = ARRAY_SIZE(__trace_event_enum_##_name), \
  52                 },
  53
  54 /* Local declaration */
  55 #undef TRACE_EVENT_TYPE
  56 #define TRACE_EVENT_TYPE(_name, _abstract_type, args...)        \
  57                 TRACE_EVENT_TYPE___##_abstract_type(_name, args)
  58
  59 #undef TRACE_EVENT_ENUM
  60 #define TRACE_EVENT_ENUM(_name, _entries...)
  61
  62 #endif /* STAGE_EXPORT_TYPES */