extern int tracepoint_unregister_lib(struct tracepoint * const *tracepoints_start);
#define TRACEPOINT_LIB \
- extern struct tracepoint * const __start___tracepoints[] __attribute__((weak, visibility("hidden"))); \
- extern struct tracepoint * const __stop___tracepoints[] __attribute__((weak, visibility("hidden"))); \
- static void __attribute__((constructor)) __tracepoints__init(void) \
- { \
- tracepoint_register_lib(__start___tracepoints, \
- (((long)__stop___tracepoints)-((long)__start___tracepoints)) / sizeof(*__start___tracepoints)); \
- } \
- \
- static void __attribute__((destructor)) __tracepoints__destroy(void) \
- { \
- tracepoint_unregister_lib(__start___tracepoints); \
+ extern struct tracepoint * const __start___tracepoints_ptrs[] __attribute__((weak, visibility("hidden"))); \
+ extern struct tracepoint * const __stop___tracepoints_ptrs[] __attribute__((weak, visibility("hidden"))); \
+ static struct tracepoint * const __tracepoint_ptr_dummy \
+ __attribute__((used, section("__tracepoints_ptrs"))) = NULL; \
+ static void __attribute__((constructor)) __tracepoints__init(void) \
+ { \
+ tracepoint_register_lib(__start___tracepoints_ptrs, \
+ __stop___tracepoints_ptrs - \
+ __start___tracepoints_ptrs); \
+ } \
+ \
+ static void __attribute__((destructor)) __tracepoints__destroy(void) \
+ { \
+ tracepoint_unregister_lib(__start___tracepoints_ptrs); \
}
const char *name;
int (*regfunc)(void *data);
int (*unregfunc)(void *data);
-} __attribute__((aligned(32)));
+};
struct trace_event_lib {
- struct trace_event *trace_events_start;
+ struct trace_event * const *trace_events_start;
int trace_events_count;
struct cds_list_head list;
};
struct trace_event_iter {
struct trace_event_lib *lib;
- struct trace_event *trace_event;
+ struct trace_event * const *trace_event;
};
extern void lock_trace_events(void);
extern void trace_event_iter_next(struct trace_event_iter *iter);
extern void trace_event_iter_reset(struct trace_event_iter *iter);
-extern int trace_event_get_iter_range(struct trace_event **trace_event,
- struct trace_event *begin,
- struct trace_event *end);
+extern int trace_event_get_iter_range(struct trace_event * const **trace_event,
+ struct trace_event * const *begin,
+ struct trace_event * const *end);
extern void trace_event_update_process(void);
extern int is_trace_event_enabled(const char *channel, const char *name);
-extern int trace_event_register_lib(struct trace_event *start_trace_events,
+extern int trace_event_register_lib(struct trace_event * const *start_trace_events,
int trace_event_count);
-extern int trace_event_unregister_lib(struct trace_event *start_trace_events);
+extern int trace_event_unregister_lib(struct trace_event * const *start_trace_events);
#define TRACE_EVENT_LIB \
- extern struct trace_event __start___trace_events[] \
+ extern struct trace_event * const __start___trace_events_ptrs[] \
__attribute__((weak, visibility("hidden"))); \
- extern struct trace_event __stop___trace_events[] \
+ extern struct trace_event * const __stop___trace_events_ptrs[] \
__attribute__((weak, visibility("hidden"))); \
+ static struct trace_event * const __event_ptrs_dummy \
+ __attribute__((used, section("__trace_events_ptrs"))) = NULL; \
static void __attribute__((constructor)) \
__trace_events__init(void) \
{ \
- long trace_event_count =((long)__stop___trace_events- \
- (long)__start___trace_events) \
- /sizeof(struct trace_event); \
- trace_event_register_lib(__start___trace_events, \
- trace_event_count); \
+ trace_event_register_lib(__start___trace_events_ptrs, \
+ __stop___trace_events_ptrs - \
+ __start___trace_events_ptrs); \
} \
\
static void __attribute__((destructor)) \
__trace_event__destroy(void) \
{ \
- trace_event_unregister_lib(__start___trace_events); \
+ trace_event_unregister_lib(__start___trace_events_ptrs);\
}
#define DECLARE_TRACE_EVENT_CLASS(name, proto, args, tstruct, assign, print)