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Move to kernel style SPDX license identifiers
[lttng-ust.git] / include / lttng / ust-tracepoint-event.h
diff --git a/include/lttng/ust-tracepoint-event.h b/include/lttng/ust-tracepoint-event.h
index 11025204214eba26a9fc9724cf34b128cbb30fef..466d6d9f088751ec509bbbc3c9fbfc48aaeb8cf8 100644 (file)
--- a/include/lttng/ust-tracepoint-event.h
+++ b/include/lttng/ust-tracepoint-event.h
@@ -1,23 +1,7 @@
 /*
- * Copyright (c) 2011-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * SPDX-License-Identifier: MIT
  *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  */
 
 #include <stdint.h>
@@ -53,12 +37,20 @@
 
 #undef TRACEPOINT_EVENT
 #define TRACEPOINT_EVENT(_provider, _name, _args, _fields)     \
-       TRACEPOINT_EVENT_CLASS(_provider, _name,                \
+       _TRACEPOINT_EVENT_CLASS(_provider, _name,               \
                         _TP_PARAMS(_args),                     \
                         _TP_PARAMS(_fields))                   \
-       TRACEPOINT_EVENT_INSTANCE(_provider, _name, _name,      \
+       _TRACEPOINT_EVENT_INSTANCE(_provider, _name, _name,     \
                         _TP_PARAMS(_args))
 
+#undef TRACEPOINT_EVENT_CLASS
+#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)               \
+       _TRACEPOINT_EVENT_CLASS(_provider, _name, _TP_PARAMS(_args), _TP_PARAMS(_fields))
+
+#undef TRACEPOINT_EVENT_INSTANCE
+#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args)  \
+       _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _TP_PARAMS(_args))
+
 /* Helpers */
 #define _TP_ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
 
@@ -86,12 +78,12 @@ void _TP_COMBINE_TOKENS(__tracepoint_provider_mismatch_, TRACEPOINT_PROVIDER)(vo
 {
 }
 
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)       \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)      \
        __tracepoint_provider_mismatch_##_provider();
 
-#undef TRACEPOINT_EVENT_INSTANCE
-#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args)  \
+#undef _TRACEPOINT_EVENT_INSTANCE
+#define _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
        __tracepoint_provider_mismatch_##_provider();
 
 static inline lttng_ust_notrace
@@ -112,8 +104,8 @@ void _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)(void)
 /* Reset all macros within TRACEPOINT_EVENT */
 #include <lttng/ust-tracepoint-event-reset.h>
 
-#undef TRACEPOINT_EVENT_INSTANCE
-#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args)  \
+#undef _TRACEPOINT_EVENT_INSTANCE
+#define _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
 static const char                                                      \
        __tp_name_len_check##_provider##___##_name[LTTNG_UST_SYM_NAME_LEN] \
        __attribute__((unused)) =                                       \
@@ -135,12 +127,12 @@ static const char                                                 \
 #undef TP_ARGS
 #define TP_ARGS(...)   __VA_ARGS__
 
-#undef TRACEPOINT_EVENT_INSTANCE
-#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
+#undef _TRACEPOINT_EVENT_INSTANCE
+#define _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
 void __event_template_proto___##_provider##___##_template(_TP_ARGS_DATA_PROTO(_args));
 
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
 void __event_template_proto___##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args));
 
 #include TRACEPOINT_INCLUDE
@@ -243,8 +235,8 @@ void __event_template_proto___##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)
 #undef TP_FIELDS
 #define TP_FIELDS(...) __VA_ARGS__     /* Only one used in this phase */
 
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)       \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)      \
                _fields
 
 #include TRACEPOINT_INCLUDE
@@ -398,8 +390,8 @@ void __event_template_proto___##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)
 #undef TP_FIELDS
 #define TP_FIELDS(...) __VA_ARGS__     /* Only one used in this phase */
 
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)                            \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)                           \
        static const struct lttng_event_field __event_fields___##_provider##___##_name[] = { \
                _fields                                                                      \
                ctf_integer(int, dummy, 0)      /* Dummy, C99 forbids 0-len array. */        \
@@ -427,8 +419,8 @@ void __event_template_proto___##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)
 #undef TP_ARGS
 #define TP_ARGS(...) __VA_ARGS__
 
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)               \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)              \
 static void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args));
 
 #include TRACEPOINT_INCLUDE
@@ -445,8 +437,8 @@ static void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args));
 #undef TP_ARGS
 #define TP_ARGS(...) __VA_ARGS__
 
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)               \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)              \
 static void __event_notifier_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args));
 
 #include TRACEPOINT_INCLUDE
@@ -502,8 +494,8 @@ static void __event_notifier_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(
 #undef TP_FIELDS
 #define TP_FIELDS(...) __VA_ARGS__
 
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)             \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)            \
 static inline lttng_ust_notrace                                                      \
 size_t __event_get_size__##_provider##___##_name(size_t *__dynamic_len, _TP_ARGS_DATA_PROTO(_args)); \
 static inline                                                                \
@@ -662,8 +654,8 @@ size_t __event_get_size__##_provider##___##_name(size_t *__dynamic_len, _TP_ARGS
 #undef TP_FIELDS
 #define TP_FIELDS(...) __VA_ARGS__
 
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)             \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)            \
 static inline                                                                \
 void __event_prepare_interpreter_stack__##_provider##___##_name(char *__stack_data,\
                                                 _TP_ARGS_DATA_PROTO(_args))  \
@@ -715,8 +707,8 @@ void __event_prepare_interpreter_stack__##_provider##___##_name(char *__stack_da
 #undef TP_FIELDS
 #define TP_FIELDS(...) __VA_ARGS__
 
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)             \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)            \
 static inline lttng_ust_notrace                                                      \
 size_t __event_get_align__##_provider##___##_name(_TP_ARGS_PROTO(_args));     \
 static inline                                                                \
@@ -839,8 +831,8 @@ size_t __event_get_align__##_provider##___##_name(_TP_ARGS_PROTO(_args))      \
  * 2*sizeof(unsigned long) for all supported architectures.
  * Perform UNION (||) of filter runtime list.
  */
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)             \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)            \
 static lttng_ust_notrace                                                     \
 void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args));      \
 static                                                                       \
@@ -922,8 +914,8 @@ void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args))           \
 
 #define _TP_EXTRACT_STRING2(...)       #__VA_ARGS__
 
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)       \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)      \
 static const char __tp_event_signature___##_provider##___##_name[] =   \
                _TP_EXTRACT_STRING2(_args);
 
@@ -936,8 +928,8 @@ static const char __tp_event_signature___##_provider##___##_name[] =        \
  *
  * Create the event notifier probe function.
  */
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)             \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields)            \
 static lttng_ust_notrace                                                     \
 void __event_notifier_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args));    \
 static                                                                       \
@@ -949,6 +941,7 @@ void __event_notifier_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args))
                size_t __dynamic_len[__num_fields];                           \
                char __interpreter_stack_data[2 * sizeof(unsigned long) * __num_fields]; \
        } __stackvar;                                                         \
+                                                                             \
        if (caa_unlikely(!CMM_ACCESS_ONCE(__event_notifier->enabled)))        \
                return;                                                       \
        if (caa_unlikely(!TP_RCU_LINK_TEST()))                                \
@@ -971,7 +964,7 @@ void __event_notifier_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args))
                __event_prepare_interpreter_stack__##_provider##___##_name(__stackvar.__interpreter_stack_data, \
                        _TP_ARGS_DATA_VAR(_args));                            \
                                                                              \
-       lttng_event_notifier_notification_send(__event_notifier,              \
+       __event_notifier->notification_send(__event_notifier,                 \
                        __stackvar.__interpreter_stack_data);                 \
 }
 
@@ -1053,8 +1046,8 @@ LTTNG_TP_EXTERN_C const char *_model_emf_uri___##__provider##___##__name   \
 /* Reset all macros within TRACEPOINT_EVENT */
 #include <lttng/ust-tracepoint-event-reset.h>
 
-#undef TRACEPOINT_EVENT_INSTANCE
-#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args)         \
+#undef _TRACEPOINT_EVENT_INSTANCE
+#define _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args)        \
 static const int *                                                            \
        __ref_loglevel___##_provider##___##_name                               \
        __attribute__((weakref ("_loglevel___" #_provider "___" #_name)));     \
@@ -1088,8 +1081,8 @@ static const struct lttng_event_desc __event_desc___##_provider##_##_name = {
 /* Reset all macros within TRACEPOINT_EVENT */
 #include <lttng/ust-tracepoint-event-reset.h>
 
-#undef TRACEPOINT_EVENT_INSTANCE
-#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args)         \
+#undef _TRACEPOINT_EVENT_INSTANCE
+#define _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args)        \
        &__event_desc___##_provider##_##_name,
 
 static const struct lttng_event_desc *_TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER)[] = {
@@ -1170,4 +1163,5 @@ _TP_COMBINE_TOKENS(__lttng_events_exit__, TRACEPOINT_PROVIDER)(void)
        lttng_probe_unregister(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
 }
 
-int _TP_COMBINE_TOKENS(__tracepoint_provider_, TRACEPOINT_PROVIDER);
+int _TP_COMBINE_TOKENS(__tracepoint_provider_, TRACEPOINT_PROVIDER)
+__attribute__((visibility("default")));
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