_TP_PARAMS(_args), \
_TP_PARAMS(_fields)) \
TRACEPOINT_EVENT_INSTANCE(_provider, _name, _name, \
- _TP_PARAMS(args))
+ _TP_PARAMS(_args))
/* Helpers */
#define _TP_ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
#undef __get_dynamic_len
+/*
+ * Stage 5.1 of tracepoint event generation.
+ *
+ * Create probe signature
+ */
+
+/* Reset all macros within TRACEPOINT_EVENT */
+#include <lttng/ust-tracepoint-event-reset.h>
+
+#undef TP_ARGS
+#define TP_ARGS(args...) #args
+
+#undef TRACEPOINT_EVENT_CLASS
+#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
+const char __tp_event_signature___##_provider##___##_name[] = \
+ _args;
+
+#include TRACEPOINT_INCLUDE
+
/*
* Stage 6 of tracepoint event generation.
*
#include <lttng/ust-tracepoint-event-reset.h>
#undef TRACEPOINT_LOGLEVEL
-#define TRACEPOINT_LOGLEVEL(__provider, __name, __loglevel) \
-static const int _loglevel___##__provider##___##__name = __loglevel;
+#define TRACEPOINT_LOGLEVEL(__provider, __name, __loglevel) \
+static const int _loglevel_value___##__provider##___##__name = __loglevel; \
+static const int *_loglevel___##__provider##___##__name = \
+ &_loglevel_value___##__provider##___##__name;
#include TRACEPOINT_INCLUDE
.probe_callback = (void *) &__event_probe__##_provider##___##_template,\
.nr_fields = _TP_ARRAY_SIZE(__event_fields___##_provider##___##_template), \
.loglevel = &__ref_loglevel___##_provider##___##_name, \
+ .signature = __tp_event_signature___##_provider##___##_template, \
};
#include TRACEPOINT_INCLUDE
* Stage 9 of tracepoint event generation.
*
* Register/unregister probes at module load/unload.
+ *
+ * Generate the constructor as an externally visible symbol for use when
+ * linking the probe statically.
*/
/* Reset all macros within TRACEPOINT_EVENT */
#include <lttng/ust-tracepoint-event-reset.h>
-
static void __attribute__((constructor))
_TP_COMBINE_TOKENS(__lttng_events_init__, TRACEPOINT_PROVIDER)(void)
{
{
ltt_probe_unregister(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
}
+
+int _TP_COMBINE_TOKENS(__tracepoint_provider_, TRACEPOINT_PROVIDER);