gdbsupport, gdb: give names to observers

Give a name to each observer, this will help produce more meaningful
debug message.

gdbsupport/ChangeLog:

	* observable.h (class observable) <struct observer> <observer>:
	Add name parameter.
	<name>: New field.
	<attach>: Add name parameter, update all callers.

Change-Id: Ie0cc4664925215b8d2b09e026011b7803549fba0

1 files changed, 17 insertions, 12 deletions

diff --git a/gdb/python/py-inferior.c b/gdb/python/py-inferior.c
index a3d5952..c2861cc 100644
--- a/gdb/python/py-inferior.c
+++ b/gdb/python/py-inferior.c
@@ -904,18 +904,23 @@ gdbpy_initialize_inferior (void)
   infpy_inf_data_key =
     register_inferior_data_with_cleanup (NULL, py_free_inferior);
 
-  gdb::observers::new_thread.attach (add_thread_object);
-  gdb::observers::thread_exit.attach (delete_thread_object);
-  gdb::observers::normal_stop.attach (python_on_normal_stop);
-  gdb::observers::target_resumed.attach (python_on_resume);
-  gdb::observers::inferior_call_pre.attach (python_on_inferior_call_pre);
-  gdb::observers::inferior_call_post.attach (python_on_inferior_call_post);
-  gdb::observers::memory_changed.attach (python_on_memory_change);
-  gdb::observers::register_changed.attach (python_on_register_change);
-  gdb::observers::inferior_exit.attach (python_inferior_exit);
-  gdb::observers::new_objfile.attach (python_new_objfile);
-  gdb::observers::inferior_added.attach (python_new_inferior);
-  gdb::observers::inferior_removed.attach (python_inferior_deleted);
+  gdb::observers::new_thread.attach (add_thread_object, "py-inferior");
+  gdb::observers::thread_exit.attach (delete_thread_object, "py-inferior");
+  gdb::observers::normal_stop.attach (python_on_normal_stop, "py-inferior");
+  gdb::observers::target_resumed.attach (python_on_resume, "py-inferior");
+  gdb::observers::inferior_call_pre.attach (python_on_inferior_call_pre,
+					    "py-inferior");
+  gdb::observers::inferior_call_post.attach (python_on_inferior_call_post,
+					     "py-inferior");
+  gdb::observers::memory_changed.attach (python_on_memory_change,
+					 "py-inferior");
+  gdb::observers::register_changed.attach (python_on_register_change,
+					   "py-inferior");
+  gdb::observers::inferior_exit.attach (python_inferior_exit, "py-inferior");
+  gdb::observers::new_objfile.attach (python_new_objfile, "py-inferior");
+  gdb::observers::inferior_added.attach (python_new_inferior, "py-inferior");
+  gdb::observers::inferior_removed.attach (python_inferior_deleted,
+					   "py-inferior");
 
   membuf_object_type.tp_new = PyType_GenericNew;
   if (PyType_Ready (&membuf_object_type) < 0)