#define lttng_ust__field_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \
if (0) \
(void) (_src); /* Unused */ \
- lttng_ust__event_align = lttng_ust__tp_max_t(size_t, lttng_ust__event_align, lttng_ust_rb_alignof(_type));
+ __event_align = lttng_ust__tp_max_t(size_t, __event_align, lttng_ust_rb_alignof(_type));
#undef lttng_ust__field_float
#define lttng_ust__field_float(_type, _item, _src, _nowrite) \
if (0) \
(void) (_src); /* Unused */ \
- lttng_ust__event_align = lttng_ust__tp_max_t(size_t, lttng_ust__event_align, lttng_ust_rb_alignof(_type));
+ __event_align = lttng_ust__tp_max_t(size_t, __event_align, lttng_ust_rb_alignof(_type));
#undef lttng_ust__field_array_encoded
#define lttng_ust__field_array_encoded(_type, _item, _src, _byte_order, _length, \
_encoding, _nowrite, _elem_type_base) \
if (0) \
(void) (_src); /* Unused */ \
- lttng_ust__event_align = lttng_ust__tp_max_t(size_t, lttng_ust__event_align, lttng_ust_rb_alignof(_type));
+ __event_align = lttng_ust__tp_max_t(size_t, __event_align, lttng_ust_rb_alignof(_type));
#undef lttng_ust__field_sequence_encoded
#define lttng_ust__field_sequence_encoded(_type, _item, _src, _byte_order, _length_type, \
(void) (_src); /* Unused */ \
if (0) \
(void) (_src_length); /* Unused */ \
- lttng_ust__event_align = lttng_ust__tp_max_t(size_t, lttng_ust__event_align, lttng_ust_rb_alignof(_length_type)); \
- lttng_ust__event_align = lttng_ust__tp_max_t(size_t, lttng_ust__event_align, lttng_ust_rb_alignof(_type));
+ __event_align = lttng_ust__tp_max_t(size_t, __event_align, lttng_ust_rb_alignof(_length_type)); \
+ __event_align = lttng_ust__tp_max_t(size_t, __event_align, lttng_ust_rb_alignof(_type));
#undef lttng_ust__field_string
#define lttng_ust__field_string(_item, _src, _nowrite) \
static inline \
size_t lttng_ust__event_get_align__##_provider##___##_name(LTTNG_UST__TP_ARGS_PROTO(_args)) \
{ \
- size_t lttng_ust__event_align = 1; \
+ size_t __event_align = 1; \
_fields \
- return lttng_ust__event_align; \
+ return __event_align; \
}
#include LTTNG_UST_TRACEPOINT_INCLUDE
* Perform UNION (||) of filter runtime list.
*/
#undef LTTNG_UST__TRACEPOINT_EVENT_CLASS
-#define LTTNG_UST__TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
+#define LTTNG_UST__TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
static \
-void lttng_ust__event_probe__##_provider##___##_name(LTTNG_UST__TP_ARGS_DATA_PROTO(_args)) \
+void lttng_ust__event_probe__##_provider##___##_name(LTTNG_UST__TP_ARGS_DATA_PROTO(_args)) \
lttng_ust_notrace; \
static \
-void lttng_ust__event_probe__##_provider##___##_name(LTTNG_UST__TP_ARGS_DATA_PROTO(_args)) \
+void lttng_ust__event_probe__##_provider##___##_name(LTTNG_UST__TP_ARGS_DATA_PROTO(_args)) \
{ \
struct lttng_ust_event_common *__event = (struct lttng_ust_event_common *) __tp_data; \
size_t __dynamic_len_idx = 0; \
const size_t __num_fields = LTTNG_UST__TP_ARRAY_SIZE(lttng_ust__event_fields___##_provider##___##_name) - 1; \
+ struct lttng_ust_probe_ctx __probe_ctx; \
union { \
size_t __dynamic_len[__num_fields]; \
char __interpreter_stack_data[2 * sizeof(unsigned long) * __num_fields]; \
switch (__event->type) { \
case LTTNG_UST_EVENT_TYPE_RECORDER: \
{ \
- struct lttng_ust_event_recorder *lttng_ust__event_recorder = (struct lttng_ust_event_recorder *) __event->child; \
- struct lttng_ust_channel_buffer *__chan = lttng_ust__event_recorder->chan; \
+ struct lttng_ust_event_recorder *__event_recorder = (struct lttng_ust_event_recorder *) __event->child; \
+ struct lttng_ust_channel_buffer *__chan = __event_recorder->chan; \
struct lttng_ust_channel_common *__chan_common = __chan->parent; \
\
- if (!LTTNG_UST__TP_SESSION_CHECK(session, __chan_common->session)) \
+ if (!LTTNG_UST__TP_SESSION_CHECK(session, __chan_common->session)) \
return; \
if (caa_unlikely(!CMM_ACCESS_ONCE(__chan_common->session->active))) \
return; \
} \
if (caa_unlikely(!CMM_ACCESS_ONCE(__event->enabled))) \
return; \
- if (caa_unlikely(!LTTNG_UST_TP_RCU_LINK_TEST())) \
+ if (caa_unlikely(!LTTNG_UST_TP_RCU_LINK_TEST())) \
return; \
- if (caa_unlikely(CMM_ACCESS_ONCE(__event->eval_filter))) { \
+ __probe_ctx.struct_size = sizeof(struct lttng_ust_probe_ctx); \
+ __probe_ctx.ip = LTTNG_UST__TP_IP_PARAM(LTTNG_UST_TP_IP_PARAM); \
+ if (caa_unlikely(CMM_ACCESS_ONCE(__event->eval_filter))) { \
lttng_ust__event_prepare_interpreter_stack__##_provider##___##_name(__stackvar.__interpreter_stack_data, \
- LTTNG_UST__TP_ARGS_DATA_VAR(_args)); \
+ LTTNG_UST__TP_ARGS_DATA_VAR(_args)); \
__interpreter_stack_prepared = true; \
- if (caa_likely(__event->run_filter(__event, \
- __stackvar.__interpreter_stack_data, NULL) != LTTNG_UST_EVENT_FILTER_ACCEPT)) \
+ if (caa_likely(__event->run_filter(__event, \
+ __stackvar.__interpreter_stack_data, &__probe_ctx, NULL) != LTTNG_UST_EVENT_FILTER_ACCEPT)) \
return; \
} \
switch (__event->type) { \
case LTTNG_UST_EVENT_TYPE_RECORDER: \
{ \
- size_t __event_len, lttng_ust__event_align; \
- struct lttng_ust_event_recorder *lttng_ust__event_recorder = (struct lttng_ust_event_recorder *) __event->child; \
- struct lttng_ust_channel_buffer *__chan = lttng_ust__event_recorder->chan; \
- struct lttng_ust_ring_buffer_ctx __ctx; \
+ size_t __event_len, __event_align; \
+ struct lttng_ust_event_recorder *__event_recorder = (struct lttng_ust_event_recorder *) __event->child; \
+ struct lttng_ust_channel_buffer *__chan = __event_recorder->chan; \
+ struct lttng_ust_ring_buffer_ctx __ctx; \
\
__event_len = lttng_ust__event_get_size__##_provider##___##_name(__stackvar.__dynamic_len, \
LTTNG_UST__TP_ARGS_DATA_VAR(_args)); \
- lttng_ust__event_align = lttng_ust__event_get_align__##_provider##___##_name(LTTNG_UST__TP_ARGS_VAR(_args)); \
- lttng_ust_ring_buffer_ctx_init(&__ctx, lttng_ust__event_recorder, __event_len, lttng_ust__event_align, \
- LTTNG_UST__TP_IP_PARAM(LTTNG_UST_TP_IP_PARAM)); \
+ __event_align = lttng_ust__event_get_align__##_provider##___##_name(LTTNG_UST__TP_ARGS_VAR(_args)); \
+ lttng_ust_ring_buffer_ctx_init(&__ctx, __event_recorder, __event_len, __event_align, \
+ &__probe_ctx); \
__ret = __chan->ops->event_reserve(&__ctx); \
if (__ret < 0) \
return; \
} \
case LTTNG_UST_EVENT_TYPE_NOTIFIER: \
{ \
- struct lttng_ust_event_notifier *lttng_ust__event_notifier = (struct lttng_ust_event_notifier *) __event->child; \
+ struct lttng_ust_event_notifier *__event_notifier = (struct lttng_ust_event_notifier *) __event->child; \
struct lttng_ust_notification_ctx __notif_ctx; \
\
__notif_ctx.struct_size = sizeof(struct lttng_ust_notification_ctx); \
- __notif_ctx.eval_capture = CMM_ACCESS_ONCE(lttng_ust__event_notifier->eval_capture); \
+ __notif_ctx.eval_capture = CMM_ACCESS_ONCE(__event_notifier->eval_capture); \
\
if (caa_unlikely(!__interpreter_stack_prepared && __notif_ctx.eval_capture)) \
lttng_ust__event_prepare_interpreter_stack__##_provider##___##_name(__stackvar.__interpreter_stack_data, \
- LTTNG_UST__TP_ARGS_DATA_VAR(_args)); \
+ LTTNG_UST__TP_ARGS_DATA_VAR(_args)); \
\
- lttng_ust__event_notifier->notification_send(lttng_ust__event_notifier, \
+ __event_notifier->notification_send(__event_notifier, \
__stackvar.__interpreter_stack_data, \
+ &__probe_ctx, \
&__notif_ctx); \
break; \
} \
LTTNG_UST__TP_COMBINE_TOKENS(lttng_ust__probe_register_cookie___, LTTNG_UST_TRACEPOINT_PROVIDER) = NULL;
}
+/*
+ * LTTNG_UST_TRACEPOINT_PROVIDER_HIDDEN_DEFINITION: Define this before
+ * including a tracepoint instrumentation header to hide symbols
+ * associated with the tracepoint provider. This is useful if the
+ * tracepoint definition (including the header after defining
+ * LTTNG_UST_TRACEPOINT_DEFINE) is in the same module as the provider
+ * (including the header after defining
+ * LTTNG_UST_TRACEPOINT_CREATE_PROBES).
+ */
+#undef LTTNG_UST__TRACEPOINT_PROVIDER_DEFINITION_VISIBILITY
+#ifdef LTTNG_UST_TRACEPOINT_PROVIDER_HIDDEN_DEFINITION
+#define LTTNG_UST__TRACEPOINT_PROVIDER_DEFINITION_VISIBILITY __attribute__((visibility("hidden")))
+#else
+#define LTTNG_UST__TRACEPOINT_PROVIDER_DEFINITION_VISIBILITY __attribute__((visibility("default")))
+#endif
+
int LTTNG_UST__TP_COMBINE_TOKENS(lttng_ust_tracepoint_provider_, LTTNG_UST_TRACEPOINT_PROVIDER)
- __attribute__((visibility("default")));
+ LTTNG_UST__TRACEPOINT_PROVIDER_DEFINITION_VISIBILITY;