/*
- * Copyright (c) 2011-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * SPDX-License-Identifier: MIT
*
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*/
+#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <urcu/compiler.h>
#include <urcu/rculist.h>
#include <lttng/ust-events.h>
-#include <lttng/ringbuffer-config.h>
+#include <lttng/ringbuffer-context.h>
#include <lttng/ust-compiler.h>
#include <lttng/tracepoint.h>
-#include <byteswap.h>
+#include <lttng/ust-endian.h>
#include <string.h>
#define __LTTNG_UST_NULL_STRING "(null)"
#undef tp_list_for_each_entry_rcu
#define tp_list_for_each_entry_rcu(pos, head, member) \
- for (pos = cds_list_entry(tp_rcu_dereference_bp((head)->next), __typeof__(*pos), member); \
+ for (pos = cds_list_entry(tp_rcu_dereference((head)->next), __typeof__(*pos), member); \
&pos->member != (head); \
- pos = cds_list_entry(tp_rcu_dereference_bp(pos->member.next), __typeof__(*pos), member))
+ pos = cds_list_entry(tp_rcu_dereference(pos->member.next), __typeof__(*pos), member))
/*
* TRACEPOINT_EVENT_CLASS declares a class of tracepoints receiving the
#undef TRACEPOINT_EVENT
#define TRACEPOINT_EVENT(_provider, _name, _args, _fields) \
- TRACEPOINT_EVENT_CLASS(_provider, _name, \
+ _TRACEPOINT_EVENT_CLASS(_provider, _name, \
_TP_PARAMS(_args), \
_TP_PARAMS(_fields)) \
- TRACEPOINT_EVENT_INSTANCE(_provider, _name, _name, \
+ _TRACEPOINT_EVENT_INSTANCE(_provider, _name, _name, \
_TP_PARAMS(_args))
+#undef TRACEPOINT_EVENT_CLASS
+#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
+ _TRACEPOINT_EVENT_CLASS(_provider, _name, _TP_PARAMS(_args), _TP_PARAMS(_fields))
+
+#undef TRACEPOINT_EVENT_INSTANCE
+#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
+ _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _TP_PARAMS(_args))
+
/* Helpers */
#define _TP_ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
{
}
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
__tracepoint_provider_mismatch_##_provider();
-#undef TRACEPOINT_EVENT_INSTANCE
-#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
+#undef _TRACEPOINT_EVENT_INSTANCE
+#define _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
__tracepoint_provider_mismatch_##_provider();
static inline lttng_ust_notrace
/* Reset all macros within TRACEPOINT_EVENT */
#include <lttng/ust-tracepoint-event-reset.h>
-#undef TRACEPOINT_EVENT_INSTANCE
-#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
+#undef _TRACEPOINT_EVENT_INSTANCE
+#define _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
static const char \
- __tp_name_len_check##_provider##___##_name[LTTNG_UST_SYM_NAME_LEN] \
+ __tp_name_len_check##_provider##___##_name[LTTNG_UST_ABI_SYM_NAME_LEN] \
__attribute__((unused)) = \
#_provider ":" #_name;
#include TRACEPOINT_INCLUDE
+/*
+ * Stage 0.2 of tracepoint event generation.
+ *
+ * Create dummy trace prototypes for each event class, and for each used
+ * template. This will allow checking whether the prototypes from the
+ * class and the instance using the class actually match.
+ */
+
+/* Reset all macros within TRACEPOINT_EVENT */
+#include <lttng/ust-tracepoint-event-reset.h>
+
+#undef TP_ARGS
+#define TP_ARGS(...) __VA_ARGS__
+
+#undef _TRACEPOINT_EVENT_INSTANCE
+#define _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
+void __event_template_proto___##_provider##___##_template(_TP_ARGS_DATA_PROTO(_args));
+
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
+void __event_template_proto___##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args));
+
+#include TRACEPOINT_INCLUDE
+
/*
* Stage 0.9 of tracepoint event generation
*
/* Enumeration entry (single value) */
#undef ctf_enum_value
#define ctf_enum_value(_string, _value) \
- { \
+ __LTTNG_COMPOUND_LITERAL(struct lttng_ust_enum_entry, { \
+ .struct_size = sizeof(struct lttng_ust_enum_entry), \
.start = { \
.value = lttng_is_signed_type(__typeof__(_value)) ? \
(long long) (_value) : (_value), \
.signedness = lttng_is_signed_type(__typeof__(_value)), \
}, \
.string = (_string), \
- },
+ }),
/* Enumeration entry (range) */
#undef ctf_enum_range
#define ctf_enum_range(_string, _range_start, _range_end) \
- { \
+ __LTTNG_COMPOUND_LITERAL(struct lttng_ust_enum_entry, { \
+ .struct_size = sizeof(struct lttng_ust_enum_entry), \
.start = { \
.value = lttng_is_signed_type(__typeof__(_range_start)) ? \
(long long) (_range_start) : (_range_start), \
.signedness = lttng_is_signed_type(__typeof__(_range_end)), \
}, \
.string = (_string), \
- },
+ }),
+
+/* Enumeration entry (automatic value; follows the rules of CTF) */
+#undef ctf_enum_auto
+#define ctf_enum_auto(_string) \
+ __LTTNG_COMPOUND_LITERAL(struct lttng_ust_enum_entry, { \
+ .struct_size = sizeof(struct lttng_ust_enum_entry), \
+ .start = { \
+ .value = -1ULL, \
+ .signedness = 0, \
+ }, \
+ .end = { \
+ .value = -1ULL, \
+ .signedness = 0, \
+ }, \
+ .string = (_string), \
+ .options = LTTNG_ENUM_ENTRY_OPTION_IS_AUTO, \
+ }),
#undef TP_ENUM_VALUES
#define TP_ENUM_VALUES(...) \
#undef TRACEPOINT_ENUM
#define TRACEPOINT_ENUM(_provider, _name, _values) \
- const struct lttng_enum_entry __enum_values__##_provider##_##_name[] = { \
+ struct lttng_ust_enum_entry *__enum_values__##_provider##_##_name[] = { \
_values \
ctf_enum_value("", 0) /* Dummy, 0-len array forbidden by C99. */ \
};
+#include TRACEPOINT_INCLUDE
+
+/*
+ * Stage 0.9.1
+ * Verifying array and sequence elements are of an integer type.
+ */
+
+/* Reset all macros within TRACEPOINT_EVENT */
+#include <lttng/ust-tracepoint-event-reset.h>
+#include <lttng/ust-tracepoint-event-write.h>
+#include <lttng/ust-tracepoint-event-nowrite.h>
+
+#undef _ctf_array_encoded
+#define _ctf_array_encoded(_type, _item, _src, _byte_order, \
+ _length, _encoding, _nowrite, \
+ _elem_type_base) \
+ _lttng_array_element_type_is_supported(_type, _item)
+
+#undef _ctf_sequence_encoded
+#define _ctf_sequence_encoded(_type, _item, _src, _byte_order, \
+ _length_type, _src_length, _encoding, _nowrite, \
+ _elem_type_base) \
+ _lttng_array_element_type_is_supported(_type, _item)
+
+#undef TP_FIELDS
+#define TP_FIELDS(...) __VA_ARGS__ /* Only one used in this phase */
+
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
+ _fields
#include TRACEPOINT_INCLUDE
#include <lttng/ust-tracepoint-event-nowrite.h>
#undef _ctf_integer_ext
-#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \
- { \
- .name = #_item, \
- .type = __type_integer(_type, _byte_order, _base, none),\
- .nowrite = _nowrite, \
- },
+#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \
+ __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \
+ .struct_size = sizeof(struct lttng_ust_event_field), \
+ .name = #_item, \
+ .type = lttng_ust_type_integer_define(_type, _byte_order, _base), \
+ .nowrite = _nowrite, \
+ .nofilter = 0, \
+ }),
#undef _ctf_float
#define _ctf_float(_type, _item, _src, _nowrite) \
- { \
- .name = #_item, \
- .type = __type_float(_type), \
- .nowrite = _nowrite, \
- },
+ __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \
+ .struct_size = sizeof(struct lttng_ust_event_field), \
+ .name = #_item, \
+ .type = lttng_ust_type_float_define(_type), \
+ .nowrite = _nowrite, \
+ .nofilter = 0, \
+ }),
#undef _ctf_array_encoded
#define _ctf_array_encoded(_type, _item, _src, _byte_order, \
_length, _encoding, _nowrite, \
_elem_type_base) \
- { \
- .name = #_item, \
- .type = \
- { \
- .atype = atype_array, \
- .u = \
- { \
- .array = \
- { \
- .elem_type = __type_integer(_type, _byte_order, _elem_type_base, _encoding), \
- .length = _length, \
- } \
- } \
- }, \
- .nowrite = _nowrite, \
- },
+ __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \
+ .struct_size = sizeof(struct lttng_ust_event_field), \
+ .name = #_item, \
+ .type = (struct lttng_ust_type_common *) __LTTNG_COMPOUND_LITERAL(struct lttng_ust_type_array, { \
+ .parent = { \
+ .type = lttng_ust_type_array, \
+ }, \
+ .struct_size = sizeof(struct lttng_ust_type_array), \
+ .elem_type = lttng_ust_type_integer_define(_type, _byte_order, _elem_type_base), \
+ .length = _length, \
+ .alignment = 0, \
+ .encoding = lttng_ust_string_encoding_##_encoding, \
+ }), \
+ .nowrite = _nowrite, \
+ .nofilter = 0, \
+ }),
#undef _ctf_sequence_encoded
#define _ctf_sequence_encoded(_type, _item, _src, _byte_order, \
_length_type, _src_length, _encoding, _nowrite, \
_elem_type_base) \
- { \
- .name = #_item, \
- .type = \
- { \
- .atype = atype_sequence, \
- .u = \
- { \
- .sequence = \
- { \
- .length_type = __type_integer(_length_type, BYTE_ORDER, 10, none), \
- .elem_type = __type_integer(_type, _byte_order, _elem_type_base, _encoding), \
- }, \
+ __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \
+ .struct_size = sizeof(struct lttng_ust_event_field), \
+ .name = "_" #_item "_length", \
+ .type = lttng_ust_type_integer_define(_length_type, BYTE_ORDER, 10), \
+ .nowrite = _nowrite, \
+ .nofilter = 1, \
+ }), \
+ __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \
+ .struct_size = sizeof(struct lttng_ust_event_field), \
+ .name = #_item, \
+ .type = (struct lttng_ust_type_common *) __LTTNG_COMPOUND_LITERAL(struct lttng_ust_type_sequence, { \
+ .parent = { \
+ .type = lttng_ust_type_sequence, \
}, \
- }, \
- .nowrite = _nowrite, \
- },
+ .struct_size = sizeof(struct lttng_ust_type_sequence), \
+ .length_name = "_" #_item "_length", \
+ .elem_type = lttng_ust_type_integer_define(_type, _byte_order, _elem_type_base), \
+ .alignment = 0, \
+ .encoding = lttng_ust_string_encoding_##_encoding, \
+ }), \
+ .nowrite = _nowrite, \
+ .nofilter = 0, \
+ }),
#undef _ctf_string
#define _ctf_string(_item, _src, _nowrite) \
- { \
- .name = #_item, \
- .type = \
- { \
- .atype = atype_string, \
- .u = \
- { \
- .basic = { .string = { .encoding = lttng_encode_UTF8 } } \
+ __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \
+ .struct_size = sizeof(struct lttng_ust_event_field), \
+ .name = #_item, \
+ .type = (struct lttng_ust_type_common *) __LTTNG_COMPOUND_LITERAL(struct lttng_ust_type_string, { \
+ .parent = { \
+ .type = lttng_ust_type_string, \
}, \
- }, \
- .nowrite = _nowrite, \
- },
+ .struct_size = sizeof(struct lttng_ust_type_string), \
+ .encoding = lttng_ust_string_encoding_UTF8, \
+ }), \
+ .nowrite = _nowrite, \
+ .nofilter = 0, \
+ }),
#undef _ctf_enum
#define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) \
- { \
+ __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \
+ .struct_size = sizeof(struct lttng_ust_event_field), \
.name = #_item, \
- .type = { \
- .atype = atype_enum, \
- .u = { \
- .basic = { \
- .enumeration = { \
- .desc = &__enum_##_provider##_##_name, \
- .container_type = { \
- .size = sizeof(_type) * CHAR_BIT, \
- .alignment = lttng_alignof(_type) * CHAR_BIT, \
- .signedness = lttng_is_signed_type(_type), \
- .reverse_byte_order = 0, \
- .base = 10, \
- .encoding = lttng_encode_none, \
- }, \
- }, \
- }, \
+ .type = (struct lttng_ust_type_common *) __LTTNG_COMPOUND_LITERAL(struct lttng_ust_type_enum, { \
+ .parent = { \
+ .type = lttng_ust_type_enum, \
}, \
- }, \
+ .struct_size = sizeof(struct lttng_ust_type_enum), \
+ .desc = &__enum_##_provider##_##_name, \
+ .container_type = lttng_ust_type_integer_define(_type, BYTE_ORDER, 10), \
+ }), \
.nowrite = _nowrite, \
- },
+ .nofilter = 0, \
+ }),
#undef TP_FIELDS
#define TP_FIELDS(...) __VA_ARGS__ /* Only one used in this phase */
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
- static const struct lttng_event_field __event_fields___##_provider##___##_name[] = { \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
+ static struct lttng_ust_event_field *__event_fields___##_provider##___##_name[] = { \
_fields \
ctf_integer(int, dummy, 0) /* Dummy, C99 forbids 0-len array. */ \
};
#undef TRACEPOINT_ENUM
#define TRACEPOINT_ENUM(_provider, _name, _values) \
- static const struct lttng_enum_desc __enum_##_provider##_##_name = { \
+ static struct lttng_ust_enum_desc __enum_##_provider##_##_name = { \
+ .struct_size = sizeof(struct lttng_ust_enum_desc), \
.name = #_provider "_" #_name, \
.entries = __enum_values__##_provider##_##_name, \
.nr_entries = _TP_ARRAY_SIZE(__enum_values__##_provider##_##_name) - 1, \
#undef TP_ARGS
#define TP_ARGS(...) __VA_ARGS__
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
static void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args));
#include TRACEPOINT_INCLUDE
#undef TP_FIELDS
#define TP_FIELDS(...) __VA_ARGS__
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
static inline lttng_ust_notrace \
size_t __event_get_size__##_provider##___##_name(size_t *__dynamic_len, _TP_ARGS_DATA_PROTO(_args)); \
static inline \
#undef TP_FIELDS
#define TP_FIELDS(...) __VA_ARGS__
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
static inline \
-void __event_prepare_filter_stack__##_provider##___##_name(char *__stack_data,\
+void __event_prepare_interpreter_stack__##_provider##___##_name(char *__stack_data,\
_TP_ARGS_DATA_PROTO(_args)) \
{ \
_fields \
#undef TP_FIELDS
#define TP_FIELDS(...) __VA_ARGS__
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
static inline lttng_ust_notrace \
size_t __event_get_align__##_provider##___##_name(_TP_ARGS_PROTO(_args)); \
static inline \
__chan->ops->event_write(&__ctx, _src, \
sizeof(_type) * __get_dynamic_len(dest));
-/*
- * __chan->ops->u.has_strcpy is a flag letting us know if the LTTng-UST
- * tracepoint provider ABI implements event_strcpy. This dynamic check
- * can be removed when the tracepoint provider ABI moves to 2.
- */
-#if (LTTNG_UST_PROVIDER_MAJOR > 1)
-#error "Tracepoint probe provider major version has changed. Please remove dynamic check for has_strcpy."
-#endif
-
#undef _ctf_string
#define _ctf_string(_item, _src, _nowrite) \
{ \
((_src) ? (_src) : __LTTNG_UST_NULL_STRING); \
lib_ring_buffer_align_ctx(&__ctx, \
lttng_alignof(*__ctf_tmp_string)); \
- if (__chan->ops->u.has_strcpy) \
- __chan->ops->event_strcpy(&__ctx, __ctf_tmp_string, \
- __get_dynamic_len(dest)); \
- else \
- __chan->ops->event_write(&__ctx, __ctf_tmp_string, \
- __get_dynamic_len(dest)); \
+ __chan->ops->event_strcpy(&__ctx, __ctf_tmp_string, \
+ __get_dynamic_len(dest)); \
}
* 2*sizeof(unsigned long) for all supported architectures.
* Perform UNION (||) of filter runtime list.
*/
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
static lttng_ust_notrace \
void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)); \
static \
void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)) \
{ \
- struct lttng_event *__event = (struct lttng_event *) __tp_data; \
- struct lttng_channel *__chan = __event->chan; \
- struct lttng_ust_lib_ring_buffer_ctx __ctx; \
- struct lttng_stack_ctx __lttng_ctx; \
- size_t __event_len, __event_align; \
+ struct lttng_ust_event_common *__event = (struct lttng_ust_event_common *) __tp_data; \
size_t __dynamic_len_idx = 0; \
+ const size_t __num_fields = _TP_ARRAY_SIZE(__event_fields___##_provider##___##_name) - 1; \
union { \
- size_t __dynamic_len[_TP_ARRAY_SIZE(__event_fields___##_provider##___##_name) - 1]; \
- char __filter_stack_data[2 * sizeof(unsigned long) * (_TP_ARRAY_SIZE(__event_fields___##_provider##___##_name) - 1)]; \
+ size_t __dynamic_len[__num_fields]; \
+ char __interpreter_stack_data[2 * sizeof(unsigned long) * __num_fields]; \
} __stackvar; \
int __ret; \
\
if (0) \
(void) __dynamic_len_idx; /* don't warn if unused */ \
- if (!_TP_SESSION_CHECK(session, __chan->session)) \
- return; \
- if (caa_unlikely(!CMM_ACCESS_ONCE(__chan->session->active))) \
- return; \
- if (caa_unlikely(!CMM_ACCESS_ONCE(__chan->enabled))) \
- return; \
+ switch (__event->type) { \
+ case LTTNG_UST_EVENT_TYPE_RECORDER: \
+ { \
+ struct lttng_ust_event_recorder *__event_recorder = (struct lttng_ust_event_recorder *) __event->child; \
+ struct lttng_channel *__chan = __event_recorder->chan; \
+ \
+ if (!_TP_SESSION_CHECK(session, __chan->session)) \
+ return; \
+ if (caa_unlikely(!CMM_ACCESS_ONCE(__chan->session->active))) \
+ return; \
+ if (caa_unlikely(!CMM_ACCESS_ONCE(__chan->enabled))) \
+ return; \
+ break; \
+ } \
+ case LTTNG_UST_EVENT_TYPE_NOTIFIER: \
+ break; \
+ } \
if (caa_unlikely(!CMM_ACCESS_ONCE(__event->enabled))) \
return; \
if (caa_unlikely(!TP_RCU_LINK_TEST())) \
return; \
- if (caa_unlikely(!cds_list_empty(&__event->bytecode_runtime_head))) { \
- struct lttng_bytecode_runtime *bc_runtime; \
+ if (caa_unlikely(!cds_list_empty(&__event->filter_bytecode_runtime_head))) { \
+ struct lttng_ust_bytecode_runtime *__filter_bc_runtime; \
int __filter_record = __event->has_enablers_without_bytecode; \
\
- __event_prepare_filter_stack__##_provider##___##_name(__stackvar.__filter_stack_data, \
+ __event_prepare_interpreter_stack__##_provider##___##_name(__stackvar.__interpreter_stack_data, \
_TP_ARGS_DATA_VAR(_args)); \
- tp_list_for_each_entry_rcu(bc_runtime, &__event->bytecode_runtime_head, node) { \
- if (caa_unlikely(bc_runtime->filter(bc_runtime, \
- __stackvar.__filter_stack_data) & LTTNG_FILTER_RECORD_FLAG)) \
+ tp_list_for_each_entry_rcu(__filter_bc_runtime, &__event->filter_bytecode_runtime_head, node) { \
+ if (caa_unlikely(__filter_bc_runtime->interpreter_funcs.filter(__filter_bc_runtime, \
+ __stackvar.__interpreter_stack_data) & LTTNG_INTERPRETER_RECORD_FLAG)) { \
__filter_record = 1; \
+ break; \
+ } \
} \
if (caa_likely(!__filter_record)) \
return; \
} \
- __event_len = __event_get_size__##_provider##___##_name(__stackvar.__dynamic_len, \
- _TP_ARGS_DATA_VAR(_args)); \
- __event_align = __event_get_align__##_provider##___##_name(_TP_ARGS_VAR(_args)); \
- memset(&__lttng_ctx, 0, sizeof(__lttng_ctx)); \
- __lttng_ctx.event = __event; \
- __lttng_ctx.chan_ctx = tp_rcu_dereference_bp(__chan->ctx); \
- __lttng_ctx.event_ctx = tp_rcu_dereference_bp(__event->ctx); \
- lib_ring_buffer_ctx_init(&__ctx, __chan->chan, __event, __event_len, \
- __event_align, -1, __chan->handle, &__lttng_ctx); \
- __ctx.ip = _TP_IP_PARAM(TP_IP_PARAM); \
- __ret = __chan->ops->event_reserve(&__ctx, __event->id); \
- if (__ret < 0) \
- return; \
- _fields \
- __chan->ops->event_commit(&__ctx); \
+ switch (__event->type) { \
+ case LTTNG_UST_EVENT_TYPE_RECORDER: \
+ { \
+ size_t __event_len, __event_align; \
+ struct lttng_ust_event_recorder *__event_recorder = (struct lttng_ust_event_recorder *) __event->child; \
+ struct lttng_channel *__chan = __event_recorder->chan; \
+ struct lttng_ust_lib_ring_buffer_ctx __ctx; \
+ struct lttng_ust_stack_ctx __lttng_ctx; \
+ \
+ __event_len = __event_get_size__##_provider##___##_name(__stackvar.__dynamic_len, \
+ _TP_ARGS_DATA_VAR(_args)); \
+ __event_align = __event_get_align__##_provider##___##_name(_TP_ARGS_VAR(_args)); \
+ memset(&__lttng_ctx, 0, sizeof(__lttng_ctx)); \
+ __lttng_ctx.struct_size = sizeof(struct lttng_ust_stack_ctx); \
+ __lttng_ctx.event_recorder = __event_recorder; \
+ __lttng_ctx.chan_ctx = tp_rcu_dereference(__chan->ctx); \
+ __lttng_ctx.event_ctx = tp_rcu_dereference(__event_recorder->ctx); \
+ lib_ring_buffer_ctx_init(&__ctx, __chan->chan, &__lttng_ctx, __event_len, \
+ __event_align, -1, __chan->handle); \
+ __ctx.ip = _TP_IP_PARAM(TP_IP_PARAM); \
+ __ret = __chan->ops->event_reserve(&__ctx, __event_recorder->id); \
+ if (__ret < 0) \
+ return; \
+ _fields \
+ __chan->ops->event_commit(&__ctx); \
+ break; \
+ } \
+ case LTTNG_UST_EVENT_TYPE_NOTIFIER: \
+ { \
+ struct lttng_ust_event_notifier *__event_notifier = (struct lttng_ust_event_notifier *) __event->child; \
+ \
+ if (caa_unlikely(!cds_list_empty(&__event_notifier->capture_bytecode_runtime_head))) \
+ __event_prepare_interpreter_stack__##_provider##___##_name(__stackvar.__interpreter_stack_data, \
+ _TP_ARGS_DATA_VAR(_args)); \
+ \
+ __event_notifier->notification_send(__event_notifier, \
+ __stackvar.__interpreter_stack_data); \
+ break; \
+ } \
+ } \
}
#include TRACEPOINT_INCLUDE
#define _TP_EXTRACT_STRING2(...) #__VA_ARGS__
-#undef TRACEPOINT_EVENT_CLASS
-#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
+#undef _TRACEPOINT_EVENT_CLASS
+#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
static const char __tp_event_signature___##_provider##___##_name[] = \
_TP_EXTRACT_STRING2(_args);
/* Reset all macros within TRACEPOINT_EVENT */
#include <lttng/ust-tracepoint-event-reset.h>
+/*
+ * 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
+#undef LTTNG_TP_EXTERN_C
+
/*
* Stage 6.1 of tracepoint event generation.
*
/* Reset all macros within TRACEPOINT_EVENT */
#include <lttng/ust-tracepoint-event-reset.h>
+/*
+ * 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
+#undef LTTNG_TP_EXTERN_C
+
/*
* Stage 7.1 of tracepoint event generation.
*
/* Reset all macros within TRACEPOINT_EVENT */
#include <lttng/ust-tracepoint-event-reset.h>
-#undef TRACEPOINT_EVENT_INSTANCE
-#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
+#undef _TRACEPOINT_EVENT_INSTANCE
+#define _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
static const int * \
__ref_loglevel___##_provider##___##_name \
__attribute__((weakref ("_loglevel___" #_provider "___" #_name))); \
static const char * \
__ref_model_emf_uri___##_provider##___##_name \
__attribute__((weakref ("_model_emf_uri___" #_provider "___" #_name)));\
-static const struct lttng_event_desc __event_desc___##_provider##_##_name = { \
+static struct lttng_ust_event_desc __event_desc___##_provider##_##_name = { \
+ .struct_size = sizeof(struct lttng_ust_event_desc), \
.name = #_provider ":" #_name, \
- .probe_callback = (void (*)(void)) &__event_probe__##_provider##___##_template,\
+ .probe_callback = (void (*)(void)) &__event_probe__##_provider##___##_template, \
.ctx = NULL, \
.fields = __event_fields___##_provider##___##_template, \
.nr_fields = _TP_ARRAY_SIZE(__event_fields___##_provider##___##_template) - 1, \
.loglevel = &__ref_loglevel___##_provider##___##_name, \
.signature = __tp_event_signature___##_provider##___##_template, \
- .u = { \
- .ext = { \
- .model_emf_uri = &__ref_model_emf_uri___##_provider##___##_name, \
- }, \
- }, \
+ .model_emf_uri = &__ref_model_emf_uri___##_provider##___##_name, \
};
#include TRACEPOINT_INCLUDE
/* Reset all macros within TRACEPOINT_EVENT */
#include <lttng/ust-tracepoint-event-reset.h>
-#undef TRACEPOINT_EVENT_INSTANCE
-#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
+#undef _TRACEPOINT_EVENT_INSTANCE
+#define _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
&__event_desc___##_provider##_##_name,
-static const struct lttng_event_desc *_TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER)[] = {
+static struct lttng_ust_event_desc *_TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER)[] = {
#include TRACEPOINT_INCLUDE
NULL, /* Dummy, C99 forbids 0-len array. */
};
*/
/* non-const because list head will be modified when registered. */
-static struct lttng_probe_desc _TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER) = {
+static struct lttng_ust_probe_desc _TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER) = {
+ .struct_size = sizeof(struct lttng_ust_probe_desc),
.provider = __tp_stringify(TRACEPOINT_PROVIDER),
.event_desc = _TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER),
.nr_events = _TP_ARRAY_SIZE(_TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER)) - 1,
* error will appear.
*/
_TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)();
- ret = lttng_probe_register(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
+ ret = lttng_ust_probe_register(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
if (ret) {
- fprintf(stderr, "LTTng-UST: Error (%d) while registering tracepoint probe. Duplicate registration of tracepoint probes having the same name is not allowed.\n", ret);
+ fprintf(stderr, "LTTng-UST: Error (%d) while registering tracepoint probe.\n", ret);
abort();
}
}
TRACEPOINT_PROVIDER)) {
return;
}
- lttng_probe_unregister(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
+ lttng_ust_probe_unregister(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
}
-int _TP_COMBINE_TOKENS(__tracepoint_provider_, TRACEPOINT_PROVIDER);
+int _TP_COMBINE_TOKENS(__tracepoint_provider_, TRACEPOINT_PROVIDER)
+__attribute__((visibility("default")));