--- a/gcc/debug.h	Tue May 25 18:58:51 2010 +0900
+++ b/gcc/debug.h	Tue Mar 22 17:18:12 2011 +0900
@@ -1,5 +1,5 @@
 /* Debug hooks for GCC.
-   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007, 2008
+   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2010
    Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify it
@@ -75,6 +75,9 @@
      function.  */
   void (* end_prologue) (unsigned int line, const char *file);
 
+  /* Called at beginning of epilogue code.  */
+  void (* begin_epilogue) (unsigned int line, const char *file);
+
   /* Record end of epilogue code.  */
   void (* end_epilogue) (unsigned int line, const char *file);
 
@@ -162,6 +165,10 @@
   /* This is 1 if the debug writer wants to see start and end commands for the
      main source files, and 0 otherwise.  */
   int start_end_main_source_file;
+
+  /* The type of symtab field used by these debug hooks.  This is one
+     of the TYPE_SYMTAB_IS_xxx values defined in tree.h.  */
+  int tree_type_symtab_field;
 };
 
 extern const struct gcc_debug_hooks *debug_hooks;
@@ -194,6 +201,8 @@
 /* Dwarf2 frame information.  */
 
 extern void dwarf2out_begin_prologue (unsigned int, const char *);
+extern void dwarf2out_vms_end_prologue (unsigned int, const char *);
+extern void dwarf2out_vms_begin_epilogue (unsigned int, const char *);
 extern void dwarf2out_end_epilogue (unsigned int, const char *);
 extern void dwarf2out_frame_init (void);
 extern void dwarf2out_frame_finish (void);
@@ -212,4 +221,9 @@
 const char *remap_debug_filename (const char *);
 void add_debug_prefix_map (const char *);
 
+/* For -fdump-go-spec.  */
+
+extern const struct gcc_debug_hooks *
+dump_go_spec_init (const char *, const struct gcc_debug_hooks *);
+
 #endif /* !GCC_DEBUG_H  */