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diff --git a/gcc/config/dbxelf.h b/gcc/config/dbxelf.h
index c1490aeb..8d3c2650 100644
--- a/gcc/config/dbxelf.h
+++ b/gcc/config/dbxelf.h
@@ -1,22 +1,26 @@
 /* Definitions needed when using stabs embedded in ELF sections.
-   Copyright (C) 1999 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2004, 2007, 2009 Free Software Foundation, Inc.
 
-This file is part of GNU CC.
+This file is part of GCC.
 
-GNU CC is free software; you can redistribute it and/or modify
+GCC is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
 any later version.
 
-GNU CC is distributed in the hope that it will be useful,
+GCC is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
 
 /* This file may be included by any ELF target which wishes to
    support -gstabs generating stabs in sections, as produced by gas
@@ -27,25 +31,21 @@ Boston, MA 02111-1307, USA.  */
 
 /* Output DBX (stabs) debugging information if doing -gstabs.  */
 
-#undef  DBX_DEBUGGING_INFO
-#define DBX_DEBUGGING_INFO
+#define DBX_DEBUGGING_INFO 1
 
 /* Make LBRAC and RBRAC addresses relative to the start of the
    function.  The native Solaris stabs debugging format works this
    way, gdb expects it, and it reduces the number of relocation
    entries...  */
 
-#undef  DBX_BLOCKS_FUNCTION_RELATIVE
 #define DBX_BLOCKS_FUNCTION_RELATIVE 1
 
 /* ... but, to make this work, functions must appear prior to line info.  */
 
-#undef  DBX_FUNCTION_FIRST
 #define DBX_FUNCTION_FIRST
 
 /* When generating stabs debugging, use N_BINCL entries.  */
 
-#undef  DBX_USE_BINCL
 #define DBX_USE_BINCL
 
 /* There is no limit to the length of stabs strings.  */
@@ -57,31 +57,12 @@ Boston, MA 02111-1307, USA.  */
 /* Like block addresses, stabs line numbers are relative to the
    current function.  */
 
-#undef  ASM_OUTPUT_SOURCE_LINE
-#define ASM_OUTPUT_SOURCE_LINE(FILE, LINE)				\
-do									\
-  {									\
-    static int sym_lineno = 1;						\
-    char temp[256];							\
-    ASM_GENERATE_INTERNAL_LABEL (temp, "LM", sym_lineno);		\
-    fprintf (FILE, "\t.stabn 68,0,%d,", LINE);				\
-    assemble_name (FILE, temp);						\
-    putc ('-', FILE);							\
-    assemble_name (FILE,						\
-		   XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0));\
-    putc ('\n', FILE);							\
-    ASM_OUTPUT_INTERNAL_LABEL (FILE, "LM", sym_lineno);			\
-    sym_lineno += 1;							\
-  }									\
-while (0)
+#define DBX_LINES_FUNCTION_RELATIVE 1
 
 /* Generate a blank trailing N_SO to mark the end of the .o file, since
    we can't depend upon the linker to mark .o file boundaries with
    embedded stabs.  */
 
-#undef  DBX_OUTPUT_MAIN_SOURCE_FILE_END
-#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME)			\
-  asm_fprintf (FILE,							\
-	       "\t.text\n\t.stabs \"\",%d,0,0,%LLetext\n%LLetext:\n", N_SO)
+#define DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END
 
 #endif /* ! GCC_DBX_ELF_H */