struct side_arg_dynamic_struct;
struct side_events_register_handle;
struct side_arg_variant;
+struct side_event_state;
enum side_type_label {
/* Stack-copy basic types */
void *priv; /* Private tracer context. */
} SIDE_PACKED;
-/*
- * This structure is _not_ packed to allow atomic operations on its
- * fields.
- */
-struct side_event_state {
- uintptr_t enabled;
- const struct side_callback *callbacks;
-};
-
struct side_event_description {
side_ptr_t(struct side_event_state) state;
side_ptr_t(const char) provider_name;
uint32_t nr_callbacks;
} SIDE_PACKED;
+/*
+ * This structure is _not_ packed to allow atomic operations on its
+ * fields.
+ */
+struct side_event_state {
+ uintptr_t enabled;
+ const struct side_callback *callbacks;
+ struct side_event_description *desc;
+};
+
/* Event and type attributes */
#define side_attr(_key, _value) \
.sav = SIDE_PTR_INIT(side_sav), \
.len = SIDE_ARRAY_SIZE(side_sav), \
}; \
- side_call(&(_identifier), &side_arg_vec); \
+ side_call(&(side_event_state__##_identifier), &side_arg_vec); \
}
#define side_event(_identifier, _sav) \
.len = SIDE_ARRAY_SIZE(side_fields), \
.nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM_SELECT_ARG1(_, ##_attr, side_attr_list())), \
}; \
- side_call_variadic(&(_identifier), &side_arg_vec, &var_struct); \
+ side_call_variadic(&(side_event_state__##_identifier), &side_arg_vec, &var_struct); \
}
#define side_event_variadic(_identifier, _sav, _var, _attr...) \
side_event_call_variadic(_identifier, SIDE_PARAM(_sav), SIDE_PARAM(_var), SIDE_PARAM_SELECT_ARG1(_, ##_attr, side_attr_list()))
#define _side_define_event(_linkage, _identifier, _provider, _event, _loglevel, _fields, _flags, _attr...) \
+ _linkage struct side_event_description __attribute__((section("side_event_description"))) \
+ _identifier; \
_linkage struct side_event_state __attribute__((section("side_event_state"))) \
side_event_state__##_identifier = { \
.enabled = 0, \
.callbacks = &side_empty_callback, \
+ .desc = &(_identifier), \
}; \
_linkage struct side_event_description __attribute__((section("side_event_description"))) \
_identifier = { \
extern const struct side_callback side_empty_callback;
-void side_call(const struct side_event_description *desc,
+void side_call(const struct side_event_state *state,
const struct side_arg_vec *side_arg_vec);
-void side_call_variadic(const struct side_event_description *desc,
+void side_call_variadic(const struct side_event_state *state,
const struct side_arg_vec *side_arg_vec,
const struct side_arg_dynamic_struct *var_struct);