#include <urcu/rculist.h>
#include <lttng/ust-events.h>
#include <lttng/ringbuffer-context.h>
+#include <lttng/ust-arch.h>
#include <lttng/ust-compiler.h>
#include <lttng/tracepoint.h>
#include <lttng/ust-endian.h>
/* Reset all macros within TRACEPOINT_EVENT */
#include <lttng/ust-tracepoint-event-reset.h>
-static inline lttng_ust_notrace
-void _TP_COMBINE_TOKENS(__tracepoint_provider_mismatch_, TRACEPOINT_PROVIDER)(void);
+static inline
+void _TP_COMBINE_TOKENS(__tracepoint_provider_mismatch_, TRACEPOINT_PROVIDER)(void)
+ lttng_ust_notrace;
static inline
void _TP_COMBINE_TOKENS(__tracepoint_provider_mismatch_, TRACEPOINT_PROVIDER)(void)
{
#define _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
__tracepoint_provider_mismatch_##_provider();
-static inline lttng_ust_notrace
-void _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)(void);
+static inline
+void _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)(void)
+ lttng_ust_notrace;
static inline
void _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)(void)
{
/* Enumeration entry (single value) */
#undef ctf_enum_value
#define ctf_enum_value(_string, _value) \
- __LTTNG_COMPOUND_LITERAL(struct lttng_ust_enum_entry, { \
+ __LTTNG_COMPOUND_LITERAL(const struct lttng_ust_enum_entry, { \
.struct_size = sizeof(struct lttng_ust_enum_entry), \
.start = { \
- .value = lttng_is_signed_type(__typeof__(_value)) ? \
+ .value = lttng_ust_is_signed_type(__typeof__(_value)) ? \
(long long) (_value) : (_value), \
- .signedness = lttng_is_signed_type(__typeof__(_value)), \
+ .signedness = lttng_ust_is_signed_type(__typeof__(_value)), \
}, \
.end = { \
- .value = lttng_is_signed_type(__typeof__(_value)) ? \
+ .value = lttng_ust_is_signed_type(__typeof__(_value)) ? \
(long long) (_value) : (_value), \
- .signedness = lttng_is_signed_type(__typeof__(_value)), \
+ .signedness = lttng_ust_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, { \
+ __LTTNG_COMPOUND_LITERAL(const struct lttng_ust_enum_entry, { \
.struct_size = sizeof(struct lttng_ust_enum_entry), \
.start = { \
- .value = lttng_is_signed_type(__typeof__(_range_start)) ? \
+ .value = lttng_ust_is_signed_type(__typeof__(_range_start)) ? \
(long long) (_range_start) : (_range_start), \
- .signedness = lttng_is_signed_type(__typeof__(_range_start)), \
+ .signedness = lttng_ust_is_signed_type(__typeof__(_range_start)), \
}, \
.end = { \
- .value = lttng_is_signed_type(__typeof__(_range_end)) ? \
+ .value = lttng_ust_is_signed_type(__typeof__(_range_end)) ? \
(long long) (_range_end) : (_range_end), \
- .signedness = lttng_is_signed_type(__typeof__(_range_end)), \
+ .signedness = lttng_ust_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, { \
+ __LTTNG_COMPOUND_LITERAL(const struct lttng_ust_enum_entry, { \
.struct_size = sizeof(struct lttng_ust_enum_entry), \
.start = { \
.value = -1ULL, \
#undef TRACEPOINT_ENUM
#define TRACEPOINT_ENUM(_provider, _name, _values) \
- struct lttng_ust_enum_entry *__enum_values__##_provider##_##_name[] = { \
+ const struct lttng_ust_enum_entry *__enum_values__##_provider##_##_name[] = { \
_values \
ctf_enum_value("", 0) /* Dummy, 0-len array forbidden by C99. */ \
};
#define _ctf_array_encoded(_type, _item, _src, _byte_order, \
_length, _encoding, _nowrite, \
_elem_type_base) \
- _lttng_array_element_type_is_supported(_type, _item)
+ lttng_ust_ctf_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)
+ lttng_ust_ctf_array_element_type_is_supported(_type, _item)
#undef TP_FIELDS
#define TP_FIELDS(...) __VA_ARGS__ /* Only one used in this phase */
#undef _ctf_integer_ext
#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \
- __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \
+ __LTTNG_COMPOUND_LITERAL(const 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), \
#undef _ctf_float
#define _ctf_float(_type, _item, _src, _nowrite) \
- __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \
+ __LTTNG_COMPOUND_LITERAL(const struct lttng_ust_event_field, { \
.struct_size = sizeof(struct lttng_ust_event_field), \
.name = #_item, \
.type = lttng_ust_type_float_define(_type), \
#define _ctf_array_encoded(_type, _item, _src, _byte_order, \
_length, _encoding, _nowrite, \
_elem_type_base) \
- __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \
+ __LTTNG_COMPOUND_LITERAL(const 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, { \
+ .type = (const struct lttng_ust_type_common *) __LTTNG_COMPOUND_LITERAL(const struct lttng_ust_type_array, { \
.parent = { \
.type = lttng_ust_type_array, \
}, \
#define _ctf_sequence_encoded(_type, _item, _src, _byte_order, \
_length_type, _src_length, _encoding, _nowrite, \
_elem_type_base) \
- __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \
+ __LTTNG_COMPOUND_LITERAL(const 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, { \
+ __LTTNG_COMPOUND_LITERAL(const 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, { \
+ .type = (const struct lttng_ust_type_common *) __LTTNG_COMPOUND_LITERAL(const struct lttng_ust_type_sequence, { \
.parent = { \
.type = lttng_ust_type_sequence, \
}, \
#undef _ctf_string
#define _ctf_string(_item, _src, _nowrite) \
- __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \
+ __LTTNG_COMPOUND_LITERAL(const 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, { \
+ .type = (const struct lttng_ust_type_common *) __LTTNG_COMPOUND_LITERAL(const struct lttng_ust_type_string, { \
.parent = { \
.type = lttng_ust_type_string, \
}, \
.nofilter = 0, \
}),
+#undef _ctf_unused
+#define _ctf_unused(_src)
+
#undef _ctf_enum
#define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) \
- __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { \
+ __LTTNG_COMPOUND_LITERAL(const 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_enum, { \
+ .type = (const struct lttng_ust_type_common *) __LTTNG_COMPOUND_LITERAL(const struct lttng_ust_type_enum, { \
.parent = { \
.type = lttng_ust_type_enum, \
}, \
#undef _TRACEPOINT_EVENT_CLASS
#define _TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
- static struct lttng_ust_event_field *__event_fields___##_provider##___##_name[] = { \
+ static const 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 struct lttng_ust_enum_desc __enum_##_provider##_##_name = { \
+ static const struct lttng_ust_enum_desc __enum_##_provider##_##_name = { \
.struct_size = sizeof(struct lttng_ust_enum_desc), \
.name = #_provider "_" #_name, \
.entries = __enum_values__##_provider##_##_name, \
#undef _ctf_integer_ext
#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \
- __event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_type)); \
+ if (0) \
+ (void) (_src); /* Unused */ \
+ __event_len += lttng_ust_lib_ring_buffer_align(__event_len, lttng_ust_rb_alignof(_type)); \
__event_len += sizeof(_type);
#undef _ctf_float
#define _ctf_float(_type, _item, _src, _nowrite) \
- __event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_type)); \
+ if (0) \
+ (void) (_src); /* Unused */ \
+ __event_len += lttng_ust_lib_ring_buffer_align(__event_len, lttng_ust_rb_alignof(_type)); \
__event_len += sizeof(_type);
#undef _ctf_array_encoded
#define _ctf_array_encoded(_type, _item, _src, _byte_order, _length, _encoding, \
_nowrite, _elem_type_base) \
- __event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_type)); \
+ if (0) \
+ (void) (_src); /* Unused */ \
+ __event_len += lttng_ust_lib_ring_buffer_align(__event_len, lttng_ust_rb_alignof(_type)); \
__event_len += sizeof(_type) * (_length);
#undef _ctf_sequence_encoded
#define _ctf_sequence_encoded(_type, _item, _src, _byte_order, _length_type, \
_src_length, _encoding, _nowrite, _elem_type_base) \
- __event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_length_type)); \
+ if (0) \
+ (void) (_src); /* Unused */ \
+ __event_len += lttng_ust_lib_ring_buffer_align(__event_len, lttng_ust_rb_alignof(_length_type)); \
__event_len += sizeof(_length_type); \
- __event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_type)); \
+ __event_len += lttng_ust_lib_ring_buffer_align(__event_len, lttng_ust_rb_alignof(_type)); \
__dynamic_len[__dynamic_len_idx] = (_src_length); \
__event_len += sizeof(_type) * __dynamic_len[__dynamic_len_idx]; \
__dynamic_len_idx++;
__event_len += __dynamic_len[__dynamic_len_idx++] = \
strlen((_src) ? (_src) : __LTTNG_UST_NULL_STRING) + 1;
+#undef _ctf_unused
+#define _ctf_unused(_src) \
+ if (0) \
+ (void) (_src); /* Unused */
+
#undef _ctf_enum
#define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) \
_ctf_integer_ext(_type, _item, _src, BYTE_ORDER, 10, _nowrite)
#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 \
size_t __event_get_size__##_provider##___##_name(size_t *__dynamic_len, _TP_ARGS_DATA_PROTO(_args)) \
+ lttng_ust_notrace; \
+static inline \
+size_t __event_get_size__##_provider##___##_name( \
+ size_t *__dynamic_len __attribute__((__unused__)), \
+ _TP_ARGS_DATA_PROTO(_args)) \
{ \
size_t __event_len = 0; \
- unsigned int __dynamic_len_idx = 0; \
+ unsigned int __dynamic_len_idx __attribute__((__unused__)) = 0; \
\
if (0) \
- (void) __dynamic_len_idx; /* don't warn if unused */ \
+ (void) __tp_data; /* don't warn if unused */ \
+ \
_fields \
return __event_len; \
}
#undef _ctf_integer_ext
#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \
- if (lttng_is_signed_type(_type)) { \
+ if (lttng_ust_is_signed_type(_type)) { \
int64_t __ctf_tmp_int64; \
switch (sizeof(_type)) { \
case 1: \
__stack_data += sizeof(void *); \
}
+#undef _ctf_unused
+#define _ctf_unused(_src) \
+ if (0) \
+ (void) (_src);
+
#undef _ctf_enum
#define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) \
_ctf_integer_ext(_type, _item, _src, BYTE_ORDER, 10, _nowrite)
void __event_prepare_interpreter_stack__##_provider##___##_name(char *__stack_data,\
_TP_ARGS_DATA_PROTO(_args)) \
{ \
+ if (0) { \
+ (void) __tp_data; /* don't warn if unused */ \
+ (void) __stack_data; /* don't warn if unused */ \
+ } \
+ \
_fields \
}
#undef _ctf_integer_ext
#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \
- __event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_type));
+ if (0) \
+ (void) (_src); /* Unused */ \
+ __event_align = _tp_max_t(size_t, __event_align, lttng_ust_rb_alignof(_type));
#undef _ctf_float
#define _ctf_float(_type, _item, _src, _nowrite) \
- __event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_type));
+ if (0) \
+ (void) (_src); /* Unused */ \
+ __event_align = _tp_max_t(size_t, __event_align, lttng_ust_rb_alignof(_type));
#undef _ctf_array_encoded
#define _ctf_array_encoded(_type, _item, _src, _byte_order, _length, \
_encoding, _nowrite, _elem_type_base) \
- __event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_type));
+ if (0) \
+ (void) (_src); /* Unused */ \
+ __event_align = _tp_max_t(size_t, __event_align, lttng_ust_rb_alignof(_type));
#undef _ctf_sequence_encoded
#define _ctf_sequence_encoded(_type, _item, _src, _byte_order, _length_type, \
_src_length, _encoding, _nowrite, _elem_type_base) \
- __event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_length_type)); \
- __event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_type));
+ if (0) \
+ (void) (_src); /* Unused */ \
+ if (0) \
+ (void) (_src_length); /* Unused */ \
+ __event_align = _tp_max_t(size_t, __event_align, lttng_ust_rb_alignof(_length_type)); \
+ __event_align = _tp_max_t(size_t, __event_align, lttng_ust_rb_alignof(_type));
#undef _ctf_string
-#define _ctf_string(_item, _src, _nowrite)
+#define _ctf_string(_item, _src, _nowrite) \
+ if (0) \
+ (void) (_src); /* Unused */
+
+#undef _ctf_unused
+#define _ctf_unused(_src) \
+ if (0) \
+ (void) (_src); /* Unused */
#undef _ctf_enum
#define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) \
#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 \
+size_t __event_get_align__##_provider##___##_name(_TP_ARGS_PROTO(_args)) \
+ lttng_ust_notrace; \
static inline \
size_t __event_get_align__##_provider##___##_name(_TP_ARGS_PROTO(_args)) \
{ \
#define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \
{ \
_type __tmp = (_src); \
- lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(__tmp));\
- __chan->ops->event_write(&__ctx, &__tmp, sizeof(__tmp));\
+ __chan->ops->event_write(&__ctx, &__tmp, sizeof(__tmp), lttng_ust_rb_alignof(__tmp));\
}
#undef _ctf_float
#define _ctf_float(_type, _item, _src, _nowrite) \
{ \
_type __tmp = (_src); \
- lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(__tmp));\
- __chan->ops->event_write(&__ctx, &__tmp, sizeof(__tmp));\
+ __chan->ops->event_write(&__ctx, &__tmp, sizeof(__tmp), lttng_ust_rb_alignof(__tmp));\
}
#undef _ctf_array_encoded
#define _ctf_array_encoded(_type, _item, _src, _byte_order, _length, \
_encoding, _nowrite, _elem_type_base) \
- lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(_type)); \
- __chan->ops->event_write(&__ctx, _src, sizeof(_type) * (_length));
+ if (lttng_ust_string_encoding_##_encoding == lttng_ust_string_encoding_none) \
+ __chan->ops->event_write(&__ctx, _src, sizeof(_type) * (_length), lttng_ust_rb_alignof(_type)); \
+ else \
+ __chan->ops->event_pstrcpy_pad(&__ctx, (const char *) (_src), _length); \
#undef _ctf_sequence_encoded
#define _ctf_sequence_encoded(_type, _item, _src, _byte_order, _length_type, \
_src_length, _encoding, _nowrite, _elem_type_base) \
{ \
_length_type __tmpl = __stackvar.__dynamic_len[__dynamic_len_idx]; \
- lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(_length_type));\
- __chan->ops->event_write(&__ctx, &__tmpl, sizeof(_length_type));\
+ __chan->ops->event_write(&__ctx, &__tmpl, sizeof(_length_type), lttng_ust_rb_alignof(_length_type));\
} \
- lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(_type)); \
- __chan->ops->event_write(&__ctx, _src, \
- sizeof(_type) * __get_dynamic_len(dest));
+ if (lttng_ust_string_encoding_##_encoding == lttng_ust_string_encoding_none) \
+ __chan->ops->event_write(&__ctx, _src, \
+ sizeof(_type) * __get_dynamic_len(dest), lttng_ust_rb_alignof(_type)); \
+ else \
+ __chan->ops->event_pstrcpy_pad(&__ctx, (const char *) (_src), __get_dynamic_len(dest)); \
#undef _ctf_string
-#define _ctf_string(_item, _src, _nowrite) \
+#define _ctf_string(_item, _src, _nowrite) \
{ \
const char *__ctf_tmp_string = \
((_src) ? (_src) : __LTTNG_UST_NULL_STRING); \
- lib_ring_buffer_align_ctx(&__ctx, \
- lttng_alignof(*__ctf_tmp_string)); \
__chan->ops->event_strcpy(&__ctx, __ctf_tmp_string, \
__get_dynamic_len(dest)); \
}
+#undef _ctf_unused
+#define _ctf_unused(_src)
#undef _ctf_enum
#define _ctf_enum(_provider, _name, _type, _item, _src, _nowrite) \
#define _TP_IP_PARAM(x) (x)
#else /* TP_IP_PARAM */
-#if defined(__PPC__) && !defined(__PPC64__)
+#if defined(LTTNG_UST_ARCH_PPC) && !defined(LTTNG_UST_ARCH_PPC64)
#define _TP_IP_PARAM(x) NULL
-#else /* #if defined(__PPC__) && !defined(__PPC64__) */
+#else
#define _TP_IP_PARAM(x) __builtin_return_address(0)
-#endif /* #else #if defined(__PPC__) && !defined(__PPC64__) */
+#endif
#endif /* TP_IP_PARAM */
*/
#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)) \
+ lttng_ust_notrace; \
static \
void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)) \
{ \
char __interpreter_stack_data[2 * sizeof(unsigned long) * __num_fields]; \
} __stackvar; \
int __ret; \
+ bool __interpreter_stack_prepared = false; \
\
if (0) \
(void) __dynamic_len_idx; /* don't warn if unused */ \
return; \
if (caa_unlikely(!TP_RCU_LINK_TEST())) \
return; \
- 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; \
- \
+ if (caa_unlikely(CMM_ACCESS_ONCE(__event->eval_filter))) { \
__event_prepare_interpreter_stack__##_provider##___##_name(__stackvar.__interpreter_stack_data, \
_TP_ARGS_DATA_VAR(_args)); \
- 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_UST_BYTECODE_INTERPRETER_RECORD_FLAG)) { \
- __filter_record = 1; \
- break; \
- } \
- } \
- if (caa_likely(!__filter_record)) \
+ __interpreter_stack_prepared = true; \
+ if (caa_likely(__event->run_filter(__event, \
+ __stackvar.__interpreter_stack_data, NULL) != LTTNG_UST_EVENT_FILTER_ACCEPT)) \
return; \
} \
switch (__event->type) { \
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_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); \
+ lttng_ust_lib_ring_buffer_ctx_init(&__ctx, __event_recorder, __event_len, __event_align, \
+ _TP_IP_PARAM(TP_IP_PARAM)); \
+ __ret = __chan->ops->event_reserve(&__ctx); \
if (__ret < 0) \
return; \
_fields \
case LTTNG_UST_EVENT_TYPE_NOTIFIER: \
{ \
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(__event_notifier->eval_capture); \
\
- if (caa_unlikely(!cds_list_empty(&__event_notifier->capture_bytecode_runtime_head))) \
+ if (caa_unlikely(!__interpreter_stack_prepared && __notif_ctx.eval_capture)) \
__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); \
+ __stackvar.__interpreter_stack_data, \
+ &__notif_ctx); \
break; \
} \
} \
#undef LTTNG_TP_EXTERN_C
+/*
+ * Stage 7.0 of tracepoint event generation.
+ *
+ * Declare toplevel descriptor for the whole probe.
+ * Unlike C, C++ does not allow tentative definitions. Therefore, we
+ * need to explicitly declare the variable with "extern", using hidden
+ * visibility to keep this symbol from being exported to the global
+ * symbol table.
+ */
+
+extern const struct lttng_ust_probe_desc _TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER)
+ __attribute__((visibility("hidden")));
+
/*
* Stage 7.1 of tracepoint event generation.
*
static const char * \
__ref_model_emf_uri___##_provider##___##_name \
__attribute__((weakref ("_model_emf_uri___" #_provider "___" #_name)));\
-static struct lttng_ust_event_desc __event_desc___##_provider##_##_name = { \
+static const struct lttng_ust_event_desc __event_desc___##_provider##_##_name = { \
.struct_size = sizeof(struct lttng_ust_event_desc), \
- .name = #_provider ":" #_name, \
+ .event_name = #_name, \
+ .probe_desc = &__probe_desc___##_provider, \
.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, \
#define _TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
&__event_desc___##_provider##_##_name,
-static struct lttng_ust_event_desc *_TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER)[] = {
+static const struct lttng_ust_event_desc *_TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER)[] = {
#include TRACEPOINT_INCLUDE
NULL, /* Dummy, C99 forbids 0-len array. */
};
* Create a toplevel descriptor for the whole probe.
*/
-/* non-const because list head will be modified when registered. */
-static struct lttng_ust_probe_desc _TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER) = {
+const 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),
+ .provider_name = __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,
- .head = { NULL, NULL },
- .lazy_init_head = { NULL, NULL },
- .lazy = 0,
.major = LTTNG_UST_PROVIDER_MAJOR,
.minor = LTTNG_UST_PROVIDER_MINOR,
};
static int _TP_COMBINE_TOKENS(__probe_register_refcount___, TRACEPOINT_PROVIDER);
+static struct lttng_ust_registered_probe *_TP_COMBINE_TOKENS(__lttng_ust_probe_register_cookie___, TRACEPOINT_PROVIDER);
/*
* Stage 9 of tracepoint event generation.
/* Reset all macros within TRACEPOINT_EVENT */
#include <lttng/ust-tracepoint-event-reset.h>
-static void lttng_ust_notrace __attribute__((constructor))
-_TP_COMBINE_TOKENS(__lttng_events_init__, TRACEPOINT_PROVIDER)(void);
+static void
+_TP_COMBINE_TOKENS(__lttng_events_init__, TRACEPOINT_PROVIDER)(void)
+ lttng_ust_notrace __attribute__((constructor));
static void
_TP_COMBINE_TOKENS(__lttng_events_init__, TRACEPOINT_PROVIDER)(void)
{
- int ret;
+ struct lttng_ust_registered_probe *reg_probe;
if (_TP_COMBINE_TOKENS(__probe_register_refcount___,
TRACEPOINT_PROVIDER)++) {
* error will appear.
*/
_TP_COMBINE_TOKENS(__tracepoint_provider_check_, 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.\n", ret);
+ assert(!_TP_COMBINE_TOKENS(__lttng_ust_probe_register_cookie___, TRACEPOINT_PROVIDER));
+ reg_probe = lttng_ust_probe_register(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
+ if (!reg_probe) {
+ fprintf(stderr, "LTTng-UST: Error while registering tracepoint probe.\n");
abort();
}
+ _TP_COMBINE_TOKENS(__lttng_ust_probe_register_cookie___, TRACEPOINT_PROVIDER) = reg_probe;
}
-static void lttng_ust_notrace __attribute__((destructor))
-_TP_COMBINE_TOKENS(__lttng_events_exit__, TRACEPOINT_PROVIDER)(void);
+static void
+_TP_COMBINE_TOKENS(__lttng_events_exit__, TRACEPOINT_PROVIDER)(void)
+ lttng_ust_notrace __attribute__((destructor));
static void
_TP_COMBINE_TOKENS(__lttng_events_exit__, TRACEPOINT_PROVIDER)(void)
{
TRACEPOINT_PROVIDER)) {
return;
}
- lttng_ust_probe_unregister(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
+ lttng_ust_probe_unregister(_TP_COMBINE_TOKENS(__lttng_ust_probe_register_cookie___, TRACEPOINT_PROVIDER));
+ _TP_COMBINE_TOKENS(__lttng_ust_probe_register_cookie___, TRACEPOINT_PROVIDER) = NULL;
}
int _TP_COMBINE_TOKENS(__tracepoint_provider_, TRACEPOINT_PROVIDER)
-__attribute__((visibility("default")));
+ __attribute__((visibility("default")));