gdb: rename target_waitstatus_to_string to target_waitstatus::to_string

Make target_waitstatus_to_string a "to_string" method of
target_waitstatus, a bit like we have ptid_t::to_string already.  This
will save a bit of typing.

Change-Id: Id261b7a09fa9fa3c738abac131c191a6f9c13905

2 files changed, 6 insertions, 15 deletions

diff --git a/gdbserver/linux-low.cc b/gdbserver/linux-low.cc
index 34ede23..d214aff 100644
--- a/gdbserver/linux-low.cc
+++ b/gdbserver/linux-low.cc
@@ -3445,13 +3445,9 @@ linux_process_target::wait_1 (ptid_t ptid, target_waitstatus *ourstatus,
   if (debug_threads)
     {
       if (event_child->waitstatus.kind () != TARGET_WAITKIND_IGNORE)
-	{
-	  std::string str
-	    = target_waitstatus_to_string (&event_child->waitstatus);
-
-	  debug_printf ("LWP %ld: extended event with waitstatus %s\n",
-			lwpid_of (get_lwp_thread (event_child)), str.c_str ());
-	}
+	debug_printf ("LWP %ld: extended event with waitstatus %s\n",
+		      lwpid_of (get_lwp_thread (event_child)),
+		      event_child->waitstatus.to_string ().c_str ());
       if (current_thread->last_resume_kind == resume_step)
 	{
 	  if (event_child->step_range_start == event_child->step_range_end)
diff --git a/gdbserver/server.cc b/gdbserver/server.cc
index c58f7e0..2807525 100644
--- a/gdbserver/server.cc
+++ b/gdbserver/server.cc
@@ -3305,14 +3305,9 @@ queue_stop_reply_callback (thread_info *thread)
       if (target_thread_stopped (thread))
 	{
 	  if (debug_threads)
-	    {
-	      std::string status_string
-		= target_waitstatus_to_string (&thread->last_status);
-
-	      debug_printf ("Reporting thread %s as already stopped with %s\n",
-			    target_pid_to_str (thread->id).c_str (),
-			    status_string.c_str ());
-	    }
+	    debug_printf ("Reporting thread %s as already stopped with %s\n",
+			  target_pid_to_str (thread->id).c_str (),
+			  thread->last_status.to_string ().c_str ());
 
 	  gdb_assert (thread->last_status.kind () != TARGET_WAITKIND_IGNORE);