minwin-gcc-5-2/gcc/config/dbxcoff.h

/* Definitions needed when using stabs embedded in COFF sections.
   Copyright (C) 1996-2015 Free Software Foundation, Inc.

This file is part of GCC.

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 3, or (at your option)
any later version.

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 GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */

/* 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 1

/* 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_NULL_N_SO_AT_MAIN_SOURCE_FILE_END

/* Like block addresses, stabs line numbers are relative to the
   current function.  */

#define DBX_LINES_FUNCTION_RELATIVE 1

/* 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.  */

#ifndef DBX_CONTIN_LENGTH
#define DBX_CONTIN_LENGTH 0
#endif