gdb/

[binutils-gdb.git] / gdb / gdbtypes.c

diff --git a/gdb/gdbtypes.c b/gdb/gdbtypes.c
index 035f630c8495980523581e66a304c1454cb2074e..255f04a6056150105b13cf3a2e2f67e5eeaa5888 100644 (file)
--- a/gdb/gdbtypes.c
+++ b/gdb/gdbtypes.c
@@ -1,7 +1,8 @@
 /* Support routines for manipulating internal types for GDB.
 
    Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002,
-   2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+   2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+   Free Software Foundation, Inc.
 
    Contributed by Cygnus Support, using pieces from other GDB modules.
 
@@ -1341,12 +1342,17 @@ stub_noname_complaint (void)
    symbols which contain a full definition for the type.
 
    This used to be coded as a macro, but I don't think it is called 
-   often enough to merit such treatment.  */
+   often enough to merit such treatment.
 
-/* Find the real type of TYPE.  This function returns the real type,
+   Find the real type of TYPE.  This function returns the real type,
    after removing all layers of typedefs and completing opaque or stub
    types.  Completion changes the TYPE argument, but stripping of
-   typedefs does not.  */
+   typedefs does not.
+
+   If TYPE is a TYPE_CODE_TYPEDEF, its length is (also) set to the length of
+   the target type instead of zero.  However, in the case of TYPE_CODE_TYPEDEF
+   check_typedef can still return different type than the original TYPE
+   pointer.  */
 
 struct type *
 check_typedef (struct type *type)