.type = lttng_ust_type_sequence, \
}, \
.struct_size = sizeof(struct lttng_ust_type_sequence), \
- .length_name = "_" #_item "_length", \
+ .length_name = NULL, /* Use previous field. */ \
.elem_type = lttng_ust_type_integer_define(_type, _byte_order, _elem_type_base), \
.alignment = 0, \
.encoding = lttng_ust_string_encoding_##_encoding, \
#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
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)) \
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; \
+ 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, \
+ __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) \
} \
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__event_notifier->notification_send(lttng_ust__event_notifier, \
+ __event_notifier->notification_send(__event_notifier, \
__stackvar.__interpreter_stack_data, \
&__probe_ctx, \
&__notif_ctx); \
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;
projects / lttng-ust.git / blobdiff