include/lttng/tracepoint-event.h

   1 /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
   2  *
   3  * lttng/tracepoint-event.h
   4  *
   5  * Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   6  */
   7
   8 #ifndef LTTNG_TRACEPOINT_EVENT_H
   9 #define LTTNG_TRACEPOINT_EVENT_H
  10
  11 #include <linux/tracepoint.h>
  12
  13 /*
  14  * If code defines LTTNG_INSTRUMENTATION before including the instrumentation
  15  * header, generate the instrumentation static inlines. Else, it means
  16  * we are a probe for the Linux kernel, and it is the probe responsibility
  17  * to have already included the Linux kernel instrumentation header.
  18  */
  19 #ifdef LTTNG_INSTRUMENTATION
  20 #define _LTTNG_INSTRUMENTATION(...)     __VA_ARGS__
  21 #else
  22 #define _LTTNG_INSTRUMENTATION(...)
  23 #endif
  24
  25 #undef LTTNG_TRACEPOINT_EVENT
  26 #define LTTNG_TRACEPOINT_EVENT(name, proto, args, fields) \
  27         _LTTNG_INSTRUMENTATION(DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)))
  28 #undef LTTNG_TRACEPOINT_EVENT_CODE
  29 #define LTTNG_TRACEPOINT_EVENT_CODE(name, proto, args, _locvar, _code_pre, fields, _code_post) \
  30         _LTTNG_INSTRUMENTATION(DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)))
  31 #undef LTTNG_TRACEPOINT_EVENT_CODE_MAP
  32 #define LTTNG_TRACEPOINT_EVENT_CODE_MAP(name, map, proto, args, _locvar, _code_pre, fields, _code_post) \
  33         _LTTNG_INSTRUMENTATION(DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)))
  34 #undef LTTNG_TRACEPOINT_EVENT_MAP
  35 #define LTTNG_TRACEPOINT_EVENT_MAP(name, map, proto, args, fields) \
  36         _LTTNG_INSTRUMENTATION(DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)))
  37 #undef LTTNG_TRACEPOINT_EVENT_MAP_NOARGS
  38 #define LTTNG_TRACEPOINT_EVENT_MAP_NOARGS(name, map, fields) \
  39         _LTTNG_INSTRUMENTATION(DECLARE_TRACE_NOARGS(name))
  40
  41 #undef LTTNG_TRACEPOINT_EVENT_CLASS
  42 #define LTTNG_TRACEPOINT_EVENT_CLASS(name, proto, args, fields)
  43 #undef LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS
  44 #define LTTNG_TRACEPOINT_EVENT_CLASS_NOARGS(name, fields)
  45 #undef LTTNG_TRACEPOINT_EVENT_CLASS_CODE
  46 #define LTTNG_TRACEPOINT_EVENT_CLASS_CODE(_name, _proto, _args, _locvar, _code_pre, _fields, _code_post)
  47 #undef LTTNG_TRACEPOINT_EVENT_CLASS_CODE_NOARGS
  48 #define LTTNG_TRACEPOINT_EVENT_CLASS_CODE_NOARGS(_name, _locvar, _code_pre, _fields, _code_post)
  49
  50 #undef LTTNG_TRACEPOINT_EVENT_INSTANCE
  51 #define LTTNG_TRACEPOINT_EVENT_INSTANCE(template, name, proto, args) \
  52         _LTTNG_INSTRUMENTATION(DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)))
  53 #undef LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS
  54 #define LTTNG_TRACEPOINT_EVENT_INSTANCE_NOARGS(template, name) \
  55         _LTTNG_INSTRUMENTATION(DECLARE_TRACE_NOARGS(name))
  56 #undef LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP
  57 #define LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(_template, _name, _map, _proto, _args) \
  58         _LTTNG_INSTRUMENTATION(DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)))
  59 #undef LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP_NOARGS
  60 #define LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP_NOARGS(_template, _name, _map) \
  61         _LTTNG_INSTRUMENTATION(DECLARE_TRACE_NOARGS(name))
  62
  63 #undef LTTNG_TRACEPOINT_ENUM
  64 #define LTTNG_TRACEPOINT_ENUM(_name, _values)
  65
  66 #undef LTTNG_TRACEPOINT_TYPE
  67 #define LTTNG_TRACEPOINT_TYPE(_prototype, _init)
  68
  69 #endif /* LTTNG_TRACEPOINT_EVENT_H */