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/* 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. */
#undef DBX_DEBUGGING_INFO
#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. */
#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
/* 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)
/* 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; \
char buffer[256]; \
ASM_GENERATE_INTERNAL_LABEL (buffer, "LM", sym_lineno); \
fprintf (FILE, ".stabn 68,0,%d,", LINE); \
assemble_name (FILE, buffer); \
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++; \
} }
/* 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
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