include/lttng/tracepoint-event.h

   1 /*
   2  * Copyright (c) 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy
   5  * of this software and associated documentation files (the "Software"), to deal
   6  * in the Software without restriction, including without limitation the rights
   7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   8  * copies of the Software, and to permit persons to whom the Software is
   9  * furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  */
  22
  23 #ifdef TRACEPOINT_CREATE_PROBES
  24
  25 #ifdef __cplusplus
  26 extern "C" {
  27 #endif
  28
  29 #define __tp_stringify1(x)      #x
  30 #define __tp_stringify(x)       __tp_stringify1(x)
  31
  32 #undef TRACEPOINT_EVENT_INSTANCE
  33 #define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args)
  34
  35 #undef TRACEPOINT_EVENT
  36 #define TRACEPOINT_EVENT(_provider, _name, _args, _fields)              \
  37         TRACEPOINT_EVENT_CLASS(_provider, _name, _TP_PARAMS(_args),     \
  38                         _TP_PARAMS(_fields))                            \
  39         TRACEPOINT_EVENT_INSTANCE(_provider, _name, _name,              \
  40                         _TP_PARAMS(_args))
  41
  42
  43 #undef TRACEPOINT_CREATE_PROBES
  44
  45 #define TRACEPOINT_HEADER_MULTI_READ
  46
  47 /*
  48  * LTTng-UST 2.0 expects TRACEPOINT_INCLUDE_FILE, but this approach has
  49  * the unwanted side-effect of expanding any macro name found within
  50  * TRACEPOINT_INCLUDE_FILE.
  51  *
  52  * Starting from LTTng-UST 2.1, we expect the TRACEPOINT_INCLUDE to be
  53  * defined by probes as a string. We still check for
  54  * TRACEPOINT_INCLUDE_FILE for API backward compatibility.
  55  */
  56 #ifdef TRACEPOINT_INCLUDE_FILE
  57 #define TRACEPOINT_INCLUDE      __tp_stringify(TRACEPOINT_INCLUDE_FILE)
  58 #endif
  59
  60 #include TRACEPOINT_INCLUDE
  61
  62 #include <lttng/ust-tracepoint-event.h>
  63
  64 #undef TRACEPOINT_HEADER_MULTI_READ
  65 #undef TRACEPOINT_INCLUDE_FILE
  66 #undef TRACEPOINT_INCLUDE
  67
  68 #ifdef __cplusplus
  69 }
  70 #endif
  71
  72 #define TRACEPOINT_CREATE_PROBES
  73
  74 #endif /* TRACEPOINT_CREATE_PROBES */