gcc/config/dbxelf.h

   1 /* Definitions needed when using stabs embedded in ELF sections.
   2    Copyright (C) 1999-2020 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 3, or (at your option)
   9 any later version.
  10
  11 GCC is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 Under Section 7 of GPL version 3, you are granted additional
  17 permissions described in the GCC Runtime Library Exception, version
  18 3.1, as published by the Free Software Foundation.
  19
  20 You should have received a copy of the GNU General Public License and
  21 a copy of the GCC Runtime Library Exception along with this program;
  22 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23 <http://www.gnu.org/licenses/>.  */
  24
  25 /* This file may be included by any ELF target which wishes to
  26    support -gstabs generating stabs in sections, as produced by gas
  27    and understood by gdb.  */
  28
  29 #ifndef GCC_DBX_ELF_H
  30 #define GCC_DBX_ELF_H
  31
  32 /* Output DBX (stabs) debugging information if doing -gstabs.  */
  33
  34 #define DBX_DEBUGGING_INFO 1
  35
  36 /* Make LBRAC and RBRAC addresses relative to the start of the
  37    function.  The native Solaris stabs debugging format works this
  38    way, gdb expects it, and it reduces the number of relocation
  39    entries...  */
  40
  41 #define DBX_BLOCKS_FUNCTION_RELATIVE 1
  42
  43 /* ... but, to make this work, functions must appear prior to line info.  */
  44
  45 #define DBX_FUNCTION_FIRST
  46
  47 /* When generating stabs debugging, use N_BINCL entries.  */
  48
  49 #define DBX_USE_BINCL
  50
  51 /* There is no limit to the length of stabs strings.  */
  52
  53 #ifndef DBX_CONTIN_LENGTH
  54 #define DBX_CONTIN_LENGTH 0
  55 #endif
  56
  57 /* Like block addresses, stabs line numbers are relative to the
  58    current function.  */
  59
  60 #define DBX_LINES_FUNCTION_RELATIVE 1
  61
  62 /* Generate a blank trailing N_SO to mark the end of the .o file, since
  63    we can't depend upon the linker to mark .o file boundaries with
  64    embedded stabs.  */
  65
  66 #define DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END
  67
  68 #endif /* ! GCC_DBX_ELF_H */