* gc.h (gc_process_relocs): Call is_section_foldable_candidate to

	check for .text or .gnu.linkonce.t sections.
	* icf.cc (Icf::find_identical_sections): Ditto.
	Change the detection for mangled function name within the section
	name.
	* icf.h (is_section_foldable_candidate): New function.

1 files changed, 12 insertions, 1 deletions

diff --git a/gold/icf.h b/gold/icf.h
index b87b992..de0fbe0 100644
--- a/gold/icf.h
+++ b/gold/icf.h
@@ -1,6 +1,6 @@
 // icf.h --  Identical Code Folding
 
-// Copyright 2009 Free Software Foundation, Inc.
+// Copyright 2009, 2010 Free Software Foundation, Inc.
 // Written by Sriraman Tallam <tmsriram@google.com>.
 
 // This file is part of gold.
@@ -139,6 +139,17 @@ class Icf
   Addend_list addend_reloc_list_;
 };
 
+// This function returns true if this section corresponds to a function that
+// should be considered by icf as a possible candidate for folding.  Some
+// earlier gcc versions, like 4.0.3, put constructors and destructors in
+// .gnu.linkonce.t sections and hence should be included too.
+inline bool
+is_section_foldable_candidate(const char* section_name)
+{
+  return (is_prefix_of(".text", section_name)
+          || is_prefix_of(".gnu.linkonce.t", section_name));
+}
+
 } // End of namespace gold.
 
 #endif