X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fringbuffer%2Fring_buffer_frontend.c;h=4d06bf63140c6218c8abf7b278cd3f7b48026194;hb=434897eecad53ba1c16b8f7881d18ba187a49163;hp=d6f5365c8eb1e3629d4a4c829414d13bb00ea8da;hpb=74cc1f594e05b5a3524529f018d85efaad53f9a3;p=lttng-ust.git

diff --git a/src/common/ringbuffer/ring_buffer_frontend.c b/src/common/ringbuffer/ring_buffer_frontend.c
index d6f5365c..4d06bf63 100644
--- a/src/common/ringbuffer/ring_buffer_frontend.c
+++ b/src/common/ringbuffer/ring_buffer_frontend.c
@@ -78,6 +78,8 @@
 /*
  * Non-static to ensure the compiler does not optimize away the xor.
  */
+uint8_t lttng_crash_magic_xor[]
+	__attribute__((visibility("hidden")));
 uint8_t lttng_crash_magic_xor[] = RB_CRASH_DUMP_ABI_MAGIC_XOR;
 
 /*
@@ -1180,7 +1182,8 @@ struct lttng_ust_ring_buffer *channel_get_ring_buffer(
 					struct lttng_ust_shm_handle *handle,
 					int *shm_fd, int *wait_fd,
 					int *wakeup_fd,
-					uint64_t *memory_map_size)
+					uint64_t *memory_map_size,
+					void **memory_map_addr)
 {
 	struct shm_ref *ref;
 
@@ -1196,6 +1199,7 @@ struct lttng_ust_ring_buffer *channel_get_ring_buffer(
 	*wakeup_fd = shm_get_wakeup_fd(handle, ref);
 	if (shm_get_shm_size(handle, ref, memory_map_size))
 		return NULL;
+	*memory_map_addr = handle->table->objects[ref->index].memory_map;
 	return shmp(handle, chan->backend.buf[cpu].shmp);
 }
 
@@ -2556,9 +2560,9 @@ void lib_ring_buffer_check_deliver_slow(const struct lttng_ust_ring_buffer_confi
 }
 
 /*
- * Force a read (imply TLS fixup for dlopen) of TLS variables.
+ * Force a read (imply TLS allocation for dlopen) of TLS variables.
  */
-void lttng_fixup_ringbuffer_tls(void)
+void lttng_ringbuffer_alloc_tls(void)
 {
 	asm volatile ("" : : "m" (URCU_TLS(lib_ring_buffer_nesting)));
 }