Initial revision

From-SVN: r11026

gcc/config/dbxcoff.h

+/* Definitions needed when using stabs embedded in COFF sections.
+   Copyright (C) 1996 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC 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)
+any later version.
+
+GNU CC 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.  */
+
+/* This file may be included by any COFF target which wishes to
+   support -gstabs generating stabs in sections, as produced by gas
+   and understood by gdb.  */
+
+/* Output DBX (stabs) debugging information if doing -gstabs.  */
+
+#define DBX_DEBUGGING_INFO
+
+/* Generate SDB debugging information by default. */
+
+#ifndef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE SDB_DEBUG
+#endif
+
+/* Be function-relative for block and source line stab directives.  */
+
+#define DBX_BLOCKS_FUNCTION_RELATIVE 1
+
+/* but, to make this work, functions must appear prior to line info.  */
+
+#define DBX_FUNCTION_FIRST
+
+/* 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.  */
+
+#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME)			\
+  fprintf (FILE,							\
+	   "\t.text\n\t.stabs \"\",%d,0,0,Letext\nLetext:\n", N_SO)
+
+/* Like block addresses, stabs line numbers are relative to the
+   current function.  */
+
+#undef ASM_OUTPUT_SOURCE_LINE
+#define ASM_OUTPUT_SOURCE_LINE(FILE, LINE)			\
+{ if (write_symbols == SDB_DEBUG) {				\
+    fprintf ((FILE), "\t.ln\t%d\n",				\
+	     ((sdb_begin_function_line > -1)			\
+	      ? (LINE) - sdb_begin_function_line : 1));		\
+  } else if (write_symbols == DBX_DEBUG) {			\
+    static int sym_lineno = 1;					\
+    fprintf (FILE, ".stabn 68,0,%d,.LM%d-",			\
+	     LINE, sym_lineno);					\
+    assemble_name (FILE,					\
+		   XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0)); \
+    fprintf (FILE, "\n.LM%d:\n", sym_lineno);			\
+    sym_lineno += 1;						\
+  } }