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  * LTTng types.
  12  *
  13  * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  14  *
  15  * This library is free software; you can redistribute it and/or
  16  * modify it under the terms of the GNU Lesser General Public
  17  * License as published by the Free Software Foundation; only
  18  * version 2.1 of the License.
  19  *
  20  * This library is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  23  * Lesser General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU Lesser General Public
  26  * License along with this library; if not, write to the Free Software
  27  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  28  */
  29
  30 #include <linux/seq_file.h>
  31 #include <probes/lttng.h>
  32 #include <lttng-events.h>
  33 #include <lttng-tracer.h>
  34 #include <lttng-endian.h>
  35
  36 #endif /* _LTTNG_PROBES_LTTNG_TYPES_H */
  37
  38 /* Export enumerations */
  39
  40 #ifdef STAGE_EXPORT_ENUMS
  41
  42 #undef TRACE_EVENT_TYPE
  43 #define TRACE_EVENT_TYPE(_name, _abstract_type, args...)
  44
  45 #undef TRACE_EVENT_ENUM
  46 #define TRACE_EVENT_ENUM(_name, _entries...)                            \
  47         const struct lttng_enum_entry __trace_event_enum_##_name[] = {  \
  48                 PARAMS(_entries)                                        \
  49         };
  50
  51 /* Enumeration entry (single value) */
  52 #undef V
  53 #define V(_string)              { _string, _string, #_string}
  54
  55 /* Enumeration entry (range) */
  56 #undef R
  57 #define R(_string, _range_start, _range_end)                            \
  58         { _range_start, _range_end, #_string }
  59
  60 #endif /* STAGE_EXPORT_ENUMS */
  61
  62
  63 /* Export named types */
  64
  65 #ifdef STAGE_EXPORT_TYPES
  66
  67 #undef TRACE_EVENT_TYPE___enum
  68 #define TRACE_EVENT_TYPE___enum(_name, _container_type)                 \
  69                 {                                                       \
  70                   .name = #_name,                                       \
  71                   .container_type = __type_integer(_container_type, 0, 0, -1, __BYTE_ORDER, 10, none), \
  72                   .entries = __trace_event_enum_##_name, \
  73                   .len = ARRAY_SIZE(__trace_event_enum_##_name), \
  74                 },
  75
  76 /* Local declaration */
  77 #undef TRACE_EVENT_TYPE
  78 #define TRACE_EVENT_TYPE(_name, _abstract_type, args...)        \
  79                 TRACE_EVENT_TYPE___##_abstract_type(_name, args)
  80
  81 #undef TRACE_EVENT_ENUM
  82 #define TRACE_EVENT_ENUM(_name, _entries...)
  83
  84 #endif /* STAGE_EXPORT_TYPES */