diff --git a/include/coff/ChangeLog b/include/coff/ChangeLog
index 151ea387b..11aec52c2 100644
--- a/include/coff/ChangeLog
+++ b/include/coff/ChangeLog
@@ -1,3 +1,7 @@
+2011-03-31  Tristan Gingold  <gingold@adacore.com>
+
+	* internal.h (C_NULL_VALUE): Define.
+
 2010-06-29  Alan Modra  <amodra@gmail.com>
 
 	* maxq.h: Delete file.
diff --git a/include/coff/internal.h b/include/coff/internal.h
index a6ead9e5f..f52bfbb7b 100644
--- a/include/coff/internal.h
+++ b/include/coff/internal.h
@@ -320,6 +320,8 @@ struct internal_aouthdr
 #define C_EINCL         109	/* Marks ending of include file */
 #define C_AIX_WEAKEXT   111	/* AIX definition of C_WEAKEXT.  */
 
+#define C_NULL_VALUE	0x00de1e00    /* Value for a C_NULL deleted entry.  */
+
 #if defined _AIX52 || defined AIX_WEAK_SUPPORT
 #undef C_WEAKEXT
 #define C_WEAKEXT       C_AIX_WEAKEXT