markers: export pointer array instead of struct marker

[ust.git] / libust / marker.c

diff --git a/libust/marker.c b/libust/marker.c
index 7a32351bd59d1e2038d3a77613f6ce6a1edfb8db..664f59c61c6495229ba4661206e267b5e5a7635c 100644 (file)
--- a/libust/marker.c
+++ b/libust/marker.c
@@ -35,8 +35,8 @@
 __thread long ust_reg_stack[500];
 volatile __thread long *ust_reg_stack_ptr = (long *) 0;
 
-extern struct marker __start___markers[] __attribute__((visibility("hidden")));
-extern struct marker __stop___markers[] __attribute__((visibility("hidden")));
+extern struct marker * const __start___markers[] __attribute__((visibility("hidden")));
+extern struct marker * const __stop___markers[] __attribute__((visibility("hidden")));
 
 /* Set to 1 to enable marker debug output */
 static const int marker_debug;
@@ -677,17 +677,17 @@ int is_marker_enabled(const char *channel, const char *name)
  *
  * Updates the probe callback corresponding to a range of markers.
  */
-void marker_update_probe_range(struct marker *begin,
-       struct marker *end)
+void marker_update_probe_range(struct marker * const *begin,
+       struct marker * const *end)
 {
-       struct marker *iter;
+       struct marker * const *iter;
        struct marker_entry *mark_entry;
 
        pthread_mutex_lock(&markers_mutex);
        for (iter = begin; iter < end; iter++) {
-               mark_entry = get_marker(iter->channel, iter->name);
+               mark_entry = get_marker((*iter)->channel, (*iter)->name);
                if (mark_entry) {
-                       set_marker(mark_entry, iter, !!mark_entry->refcount);
+                       set_marker(mark_entry, *iter, !!mark_entry->refcount);
                        /*
                         * ignore error, continue
                         */
@@ -702,11 +702,11 @@ void marker_update_probe_range(struct marker *begin,
                                   "channel %s name %s event_id %hu "
                                   "int #1u%zu long #1u%zu pointer #1u%zu "
                                   "size_t #1u%zu alignment #1u%u",
-                                  iter->channel, iter->name, mark_entry->event_id,
+                                  (*iter)->channel, (*iter)->name, mark_entry->event_id,
                                   sizeof(int), sizeof(long), sizeof(void *),
                                   sizeof(size_t), ltt_get_alignment());
                } else {
-                       disable_marker(iter);
+                       disable_marker(*iter);
                }
        }
        pthread_mutex_unlock(&markers_mutex);
@@ -1114,8 +1114,9 @@ int lib_get_iter_markers(struct marker_iter *iter)
  * Returns whether a next marker has been found (1) or not (0).
  * Will return the first marker in the range if the input marker is NULL.
  */
-int marker_get_iter_range(struct marker **marker, struct marker *begin,
-       struct marker *end)
+int marker_get_iter_range(struct marker * const **marker,
+       struct marker * const *begin,
+       struct marker * const *end)
 {
        if (!*marker && begin != end) {
                *marker = begin;
@@ -1351,17 +1352,17 @@ void marker_set_new_marker_cb(void (*cb)(struct marker *))
        new_marker_cb = cb;
 }
 
-static void new_markers(struct marker *start, struct marker *end)
+static void new_markers(struct marker * const *start, struct marker * const *end)
 {
-       if(new_marker_cb) {
-               struct marker *m;
+       if (new_marker_cb) {
+               struct marker * const *m;
                for(m=start; m < end; m++) {
-                       new_marker_cb(m);
+                       new_marker_cb(*m);
                }
        }
 }
 
-int marker_register_lib(struct marker *markers_start, int markers_count)
+int marker_register_lib(struct marker * const *markers_start, int markers_count)
 {
        struct lib *pl;
 
@@ -1385,7 +1386,7 @@ int marker_register_lib(struct marker *markers_start, int markers_count)
        return 0;
 }
 
-int marker_unregister_lib(struct marker *markers_start)
+int marker_unregister_lib(struct marker * const *markers_start)
 {
        struct lib *lib;
 
@@ -1415,7 +1416,9 @@ static int initialized = 0;
 void __attribute__((constructor)) init_markers(void)
 {
        if(!initialized) {
-               marker_register_lib(__start___markers, (((long)__stop___markers)-((long)__start___markers))/sizeof(struct marker));
+               marker_register_lib(__start___markers,
+                       (((long)__stop___markers) - ((long)__start___markers))
+                               / sizeof(*__start___markers));
                initialized = 1;
        }
 }