X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Fust-tracepoint-event.h;h=b4198bc9a4bf6092a5fa0f8b7792d8db68d5672d;hb=7645998a28bf0173ea65bc297db4695032ea8a48;hp=1e75d613350ea65c588e9928acc0093422eb25e5;hpb=98e48a44fc980a4f8c39a160cc66f386a474d173;p=lttng-ust.git diff --git a/include/lttng/ust-tracepoint-event.h b/include/lttng/ust-tracepoint-event.h index 1e75d613..b4198bc9 100644 --- a/include/lttng/ust-tracepoint-event.h +++ b/include/lttng/ust-tracepoint-event.h @@ -702,14 +702,31 @@ const char __tp_event_signature___##_provider##___##_name[] = \ /* Reset all macros within TRACEPOINT_EVENT */ #include +/* + * Declare _loglevel___##__provider##___##__name as non-static, with + * hidden visibility for c++ handling of weakref. We do a weakref to the + * symbol in a later stage, which requires that the symbol is not + * mangled. + */ +#ifdef __cplusplus +#define LTTNG_TP_EXTERN_C extern "C" +#else +#define LTTNG_TP_EXTERN_C +#endif + #undef TRACEPOINT_LOGLEVEL #define TRACEPOINT_LOGLEVEL(__provider, __name, __loglevel) \ static const int _loglevel_value___##__provider##___##__name = __loglevel; \ -static const int *_loglevel___##__provider##___##__name = \ +LTTNG_TP_EXTERN_C const int *_loglevel___##__provider##___##__name \ + __attribute__((visibility("hidden"))) = \ &_loglevel_value___##__provider##___##__name; #include TRACEPOINT_INCLUDE +#ifdef __cplusplus +#undef LTTNG_TP_EXTERN_C +#endif + /* * Stage 6.1 of tracepoint event generation. * @@ -719,12 +736,29 @@ static const int *_loglevel___##__provider##___##__name = \ /* Reset all macros within TRACEPOINT_EVENT */ #include +/* + * Declare _model_emf_uri___##__provider##___##__name as non-static, + * with hidden visibility for c++ handling of weakref. We do a weakref + * to the symbol in a later stage, which requires that the symbol is not + * mangled. + */ +#ifdef __cplusplus +#define LTTNG_TP_EXTERN_C extern "C" +#else +#define LTTNG_TP_EXTERN_C +#endif + #undef TRACEPOINT_MODEL_EMF_URI #define TRACEPOINT_MODEL_EMF_URI(__provider, __name, __uri) \ -static const char *_model_emf_uri___##__provider##___##__name = __uri; +LTTNG_TP_EXTERN_C const char *_model_emf_uri___##__provider##___##__name \ + __attribute__((visibility("hidden"))) = __uri \ #include TRACEPOINT_INCLUDE +#ifdef __cplusplus +#undef LTTNG_TP_EXTERN_C +#endif + /* * Stage 7.1 of tracepoint event generation. *