ust: be able to list markers using ust

[lttng-ust.git] / libmarkers / marker.h

diff --git a/libmarkers/marker.h b/libmarkers/marker.h
index f26bcac033519fad67850a3757da23eb5d03f58e..aebe27a975c9bfa7eb171c93c6c8d1144267c120 100644 (file)
--- a/libmarkers/marker.h
+++ b/libmarkers/marker.h
@@ -282,5 +282,15 @@ struct lib {
        struct list_head list;
 };
 
+int marker_register_lib(struct marker *markers_start, int markers_count);
+
+#define MARKER_LIB                                                                     \
+extern struct marker __start___markers[] __attribute__((visibility("hidden")));                \
+extern struct marker __stop___markers[] __attribute__((visibility("hidden")));         \
+                                                                                       \
+static void __attribute__((constructor)) __markers__init(void)                                 \
+{                                                                                      \
+       marker_register_lib(__start___markers, (((long)__stop___markers)-((long)__start___markers))/sizeof(struct marker));\
+}
 
 #endif