2007-02-25 Frank Ch. Eigler <fche@redhat.com>

	* elaborate.h (match_node, derived_probe_builder): Add
	build_no_more member function.
	* elaborate.cxx (semantic_pass_symbols): Call it.
	* tapsets.cxx (dwarf_builder): Implement it by releasing dwflpp
	instance after pass 2, freeing mucho memory.

1 files changed, 14 insertions, 1 deletions

diff --git a/elaborate.cxx b/elaborate.cxx
index 05c2be57..ef019016 100644
--- a/elaborate.cxx
+++ b/elaborate.cxx
@@ -1,5 +1,5 @@
 // elaboration functions
-// Copyright (C) 2005, 2006 Red Hat Inc.
+// Copyright (C) 2005-2007 Red Hat Inc.
 //
 // This file is part of systemtap, and is free software.  You can
 // redistribute it and/or modify it under the terms of the GNU General
@@ -326,6 +326,15 @@ match_node::find_and_build (systemtap_session& s,
 }
 
 
+void
+match_node::build_no_more (systemtap_session& s)
+{
+  for (sub_map_iterator_t i = sub.begin(); i != sub.end(); i++)
+    i->second->build_no_more (s);
+  if (end) end->build_no_more (s);
+}
+
+
 // ------------------------------------------------------------------------
 // Alias probes
 // ------------------------------------------------------------------------
@@ -914,6 +923,10 @@ semantic_pass_symbols (systemtap_session& s)
             }
         }
     }
+
+  // Inform all derived_probe builders that we're done with
+  // all resolution, so it's time to release caches.
+  s.pattern_root->build_no_more (s);
   
   return s.num_errors(); // all those print_error calls
 }