DRD, refactoring: Introduce DRD_(trace_msg)()

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12120 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/drd/drd_main.c b/drd/drd_main.c
index e282c3a..5d13aff 100644
--- a/drd/drd_main.c
+++ b/drd/drd_main.c
@@ -311,9 +311,9 @@
    tl_assert(a1 <= a2);
 
    if (!is_stack_mem && s_trace_alloc)
-      VG_(message)(Vg_UserMsg, "Started using memory range 0x%lx + %ld%s\n",
-                   a1, len, DRD_(running_thread_inside_pthread_create)()
-                   ? " (inside pthread_create())" : "");
+      DRD_(trace_msg)("Started using memory range 0x%lx + %ld%s\n",
+                      a1, len, DRD_(running_thread_inside_pthread_create)()
+                      ? " (inside pthread_create())" : "");
 
    if (!is_stack_mem && DRD_(g_free_is_write))
       DRD_(thread_stop_using_mem)(a1, a2);
@@ -355,8 +355,8 @@
       DRD_(trace_mem_access)(a1, len, eEnd);
 
    if (!is_stack_mem && s_trace_alloc)
-      VG_(message)(Vg_UserMsg, "Stopped using memory range 0x%lx + %ld\n",
-                   a1, len);
+      DRD_(trace_msg)("Stopped using memory range 0x%lx + %ld\n",
+                      a1, len);
 
    if (!is_stack_mem || DRD_(get_check_stack_accesses)())
    {