#include <lttng/ust-endian.h>
#include <lttng/ust-api-compat.h>
#include <string.h>
+#include <lttng/ust-api-compat.h>
-#define LTTNG_UST__NULL_STRING "(null)"
+#if LTTNG_UST_COMPAT_API(0)
+#define TP_FIELDS LTTNG_UST_TP_FIELDS
+
+#define ctf_integer lttng_ust_field_integer
+#define ctf_integer_hex lttng_ust_field_integer_hex
+#define ctf_integer_network lttng_ust_field_integer_network
+#define ctf_integer_network_hex lttng_ust_field_integer_network_hex
+#define ctf_integer_nowrite lttng_ust_field_integer_nowrite
+
+#define ctf_float lttng_ust_field_float
+#define ctf_float_nowrite lttng_ust_field_float_nowrite
+
+#define ctf_array lttng_ust_field_array
+#define ctf_array_hex lttng_ust_field_array_hex
+#define ctf_array_network lttng_ust_field_array_network
+#define ctf_array_network_hex lttng_ust_field_array_network_hex
+#define ctf_array_text lttng_ust_field_array_text
+#define ctf_array_nowrite lttng_ust_field_array_nowrite
+#define ctf_array_nowrite_hex lttng_ust_field_array_nowrite_hex
+#define ctf_array_network_nowrite lttng_ust_field_array_network_nowrite
+#define ctf_array_network_nowrite_hex lttng_ust_field_array_network_nowrite_hex
+#define ctf_array_text_nowrite lttng_ust_field_array_text_nowrite
+
+#define ctf_sequence lttng_ust_field_sequence
+#define ctf_sequence_hex lttng_ust_field_sequence_hex
+#define ctf_sequence_network lttng_ust_field_sequence_network
+#define ctf_sequence_network_hex lttng_ust_field_sequence_network_hex
+#define ctf_sequence_text lttng_ust_field_sequence_text
+#define ctf_sequence_nowrite lttng_ust_field_sequence_nowrite
+#define ctf_sequence_nowrite_hex lttng_ust_field_sequence_nowrite_hex
+#define ctf_sequence_network_nowrite lttng_ust_field_sequence_network_nowrite
+#define ctf_sequence_network_nowrite_hex lttng_ust_field_sequence_network_nowrite_hex
+#define ctf_sequence_text_nowrite lttng_ust_field_sequence_text_nowrite
+
+#define ctf_string lttng_ust_field_string
+#define ctf_string_nowrite lttng_ust_field_string_nowrite
+
+#define ctf_unused lttng_ust_field_unused
+#define ctf_unused_nowrite lttng_ust_field_unused_nowrite
+
+#define ctf_enum lttng_ust_field_enum
+#define ctf_enum_nowrite lttng_ust_field_enum_nowrite
+#define ctf_enum_value lttng_ust_field_enum_value
+#define ctf_enum_range lttng_ust_field_enum_range
+#define ctf_enum_auto lttng_ust_field_enum_auto
+#endif /* #if LTTNG_UST_COMPAT_API(0) */
-#undef tp_list_for_each_entry_rcu
-#define tp_list_for_each_entry_rcu(pos, head, member) \
- for (pos = cds_list_entry(lttng_ust_tp_rcu_dereference((head)->next), __typeof__(*pos), member); \
- &pos->member != (head); \
- pos = cds_list_entry(lttng_ust_tp_rcu_dereference(pos->member.next), __typeof__(*pos), member))
+#define LTTNG_UST__NULL_STRING "(null)"
/*
* LTTNG_UST_TRACEPOINT_EVENT_CLASS declares a class of tracepoints receiving the
#include <lttng/ust-tracepoint-event-reset.h>
/* Enumeration entry (single value) */
-#undef ctf_enum_value
-#define ctf_enum_value(_string, _value) \
+#undef lttng_ust_field_enum_value
+#define lttng_ust_field_enum_value(_string, _value) \
LTTNG_UST_COMPOUND_LITERAL(const struct lttng_ust_enum_entry, { \
.struct_size = sizeof(struct lttng_ust_enum_entry), \
.start = { \
}),
/* Enumeration entry (range) */
-#undef ctf_enum_range
-#define ctf_enum_range(_string, _range_start, _range_end) \
+#undef lttng_ust_field_enum_range
+#define lttng_ust_field_enum_range(_string, _range_start, _range_end) \
LTTNG_UST_COMPOUND_LITERAL(const struct lttng_ust_enum_entry, { \
.struct_size = sizeof(struct lttng_ust_enum_entry), \
.start = { \
}),
/* Enumeration entry (automatic value; follows the rules of CTF) */
-#undef ctf_enum_auto
-#define ctf_enum_auto(_string) \
+#undef lttng_ust_field_enum_auto
+#define lttng_ust_field_enum_auto(_string) \
LTTNG_UST_COMPOUND_LITERAL(const struct lttng_ust_enum_entry, { \
.struct_size = sizeof(struct lttng_ust_enum_entry), \
.start = { \
#define LTTNG_UST_TRACEPOINT_ENUM(_provider, _name, _values) \
const struct lttng_ust_enum_entry * const __enum_values__##_provider##_##_name[] = { \
_values \
- ctf_enum_value("", 0) /* Dummy, 0-len array forbidden by C99. */ \
+ lttng_ust_field_enum_value("", 0) /* Dummy, 0-len array forbidden by C99. */ \
};
#include LTTNG_UST_TRACEPOINT_INCLUDE
.nofilter = 0, \
}),
-#undef _ctf_string
-#define _ctf_string(_item, _src, _nowrite) \
+#undef lttng_ust__field_string
+#define lttng_ust__field_string(_item, _src, _nowrite) \
LTTNG_UST_COMPOUND_LITERAL(const struct lttng_ust_event_field, { \
.struct_size = sizeof(struct lttng_ust_event_field), \
.name = #_item, \
.nofilter = 0, \
}),
-#undef _ctf_unused
-#define _ctf_unused(_src)
+#undef lttng_ust__field_unused
+#define lttng_ust__field_unused(_src)
-#undef _ctf_enum
-#define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) \
+#undef lttng_ust__field_enum
+#define lttng_ust__field_enum(_provider, _name, _type, _item, _src, _nowrite) \
LTTNG_UST_COMPOUND_LITERAL(const struct lttng_ust_event_field, { \
.struct_size = sizeof(struct lttng_ust_event_field), \
.name = #_item, \
__event_len += sizeof(_type) * __dynamic_len[__dynamic_len_idx]; \
__dynamic_len_idx++;
-#undef _ctf_string
-#define _ctf_string(_item, _src, _nowrite) \
+#undef lttng_ust__field_string
+#define lttng_ust__field_string(_item, _src, _nowrite) \
__event_len += __dynamic_len[__dynamic_len_idx++] = \
strlen((_src) ? (_src) : LTTNG_UST__NULL_STRING) + 1;
-#undef _ctf_unused
-#define _ctf_unused(_src) \
+#undef lttng_ust__field_unused
+#define lttng_ust__field_unused(_src) \
if (0) \
(void) (_src); /* Unused */
-#undef _ctf_enum
-#define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) \
+#undef lttng_ust__field_enum
+#define lttng_ust__field_enum(_provider, _name, _type, _item, _src, _nowrite) \
lttng_ust__field_integer_ext(_type, _item, _src, LTTNG_UST_BYTE_ORDER, 10, _nowrite)
#undef LTTNG_UST_TP_ARGS
__stack_data += sizeof(void *); \
}
-#undef _ctf_string
-#define _ctf_string(_item, _src, _nowrite) \
+#undef lttng_ust__field_string
+#define lttng_ust__field_string(_item, _src, _nowrite) \
{ \
const void *__ctf_tmp_ptr = \
((_src) ? (_src) : LTTNG_UST__NULL_STRING); \
__stack_data += sizeof(void *); \
}
-#undef _ctf_unused
-#define _ctf_unused(_src) \
+#undef lttng_ust__field_unused
+#define lttng_ust__field_unused(_src) \
if (0) \
(void) (_src);
-#undef _ctf_enum
-#define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) \
+#undef lttng_ust__field_enum
+#define lttng_ust__field_enum(_provider, _name, _type, _item, _src, _nowrite) \
lttng_ust__field_integer_ext(_type, _item, _src, LTTNG_UST_BYTE_ORDER, 10, _nowrite)
#undef LTTNG_UST_TP_ARGS
#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 _ctf_string
-#define _ctf_string(_item, _src, _nowrite) \
+#undef lttng_ust__field_string
+#define lttng_ust__field_string(_item, _src, _nowrite) \
if (0) \
(void) (_src); /* Unused */
-#undef _ctf_unused
-#define _ctf_unused(_src) \
+#undef lttng_ust__field_unused
+#define lttng_ust__field_unused(_src) \
if (0) \
(void) (_src); /* Unused */
-#undef _ctf_enum
-#define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) \
+#undef lttng_ust__field_enum
+#define lttng_ust__field_enum(_provider, _name, _type, _item, _src, _nowrite) \
lttng_ust__field_integer_ext(_type, _item, _src, LTTNG_UST_BYTE_ORDER, 10, _nowrite)
#undef LTTNG_UST_TP_ARGS
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
else \
__chan->ops->event_pstrcpy_pad(&__ctx, (const char *) (_src), lttng_ust__get_dynamic_len(dest)); \
-#undef _ctf_string
-#define _ctf_string(_item, _src, _nowrite) \
+#undef lttng_ust__field_string
+#define lttng_ust__field_string(_item, _src, _nowrite) \
{ \
const char *__ctf_tmp_string = \
((_src) ? (_src) : LTTNG_UST__NULL_STRING); \
lttng_ust__get_dynamic_len(dest)); \
}
-#undef _ctf_unused
-#define _ctf_unused(_src)
+#undef lttng_ust__field_unused
+#define lttng_ust__field_unused(_src)
-#undef _ctf_enum
-#define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) \
+#undef lttng_ust__field_enum
+#define lttng_ust__field_enum(_provider, _name, _type, _item, _src, _nowrite) \
lttng_ust__field_integer_ext(_type, _item, _src, LTTNG_UST_BYTE_ORDER, 10, _nowrite)
/* Beware: this get len actually consumes the len value */
* 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;