mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as DWARF2_DEBUG.

* config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
DWARF2_DEBUG.
(DWARF2_ASM_LINE_DEBUG_INFO): Define.
(ASM_OUTPUT_DWARF2_ADDR_CONST): Define.

From-SVN: r33869

gcc/ChangeLog

+2000-05-12  Alexandre Oliva  <aoliva@cygnus.com>
+
+	* config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
+	DWARF2_DEBUG.
+	(DWARF2_ASM_LINE_DEBUG_INFO): Define.
+	(ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
+
 2000-05-11  Richard Henderson  <rth@cygnus.com>
 
 	* calls.c: Revert both 05-09 patches.

gcc/config/mn10300/mn10300.h

@@ -1031,9 +1031,15 @@ do { char dstr[30];					\
 /* We don't have to worry about dbx compatibility for the mn10300.  */
 #define DEFAULT_GDB_EXTENSIONS 1
 
-/* Use stabs debugging info by default.  */
+/* Use dwarf2 debugging info by default.  */
 #undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+
+#define DWARF2_ASM_LINE_DEBUG_INFO 1
+
+/* We need to prepend underscores.  */
+#define ASM_OUTPUT_DWARF2_ADDR_CONST(FILE,ADDR) \
+  fprintf ((FILE), "\t%s\t_%s", UNALIGNED_WORD_ASM_OP, (ADDR))
   
 #define DBX_REGISTER_NUMBER(REGNO) REGNO