gcc/config/vxworks.h

   1 /* Common VxWorks target definitions for GCC.
   2    Copyright (C) 1999, 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
   3    Contributed by Wind River Systems.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GCC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330,
  20 Boston, MA 02111-1307, USA.  */
  21
  22 /* Specify what to link with.  */
  23 /* VxWorks does all the library stuff itself.  */
  24 #undef  LIB_SPEC
  25 #define LIB_SPEC ""
  26
  27 #undef LINK_SPEC
  28 #define LINK_SPEC "-r"
  29
  30 /* VxWorks provides the functionality of crt0.o and friends itself.  */
  31 #undef  STARTFILE_SPEC
  32 #define STARTFILE_SPEC ""
  33
  34 #undef ENDFILE_SPEC
  35 #define ENDFILE_SPEC ""
  36
  37 /* VxWorks cannot have dots in constructor labels, because it uses a
  38    mutant variation of collect2 that generates C code instead of
  39    assembly.  Thus each constructor label must be a legitimate C
  40    symbol.  FIXME: Have VxWorks use real collect2 instead.  */
  41
  42 #undef NO_DOLLAR_IN_LABEL
  43 #define NO_DOT_IN_LABEL
  44
  45 /* We want #pragma pack(n) enabled and expect to inherit the proper
  46    definition of HANDLE_SYSV_PRAGMA from elfos.h for that purpose.  */
  47
  48 /* No underscore is prepended to any C symbol name.  */
  49 #undef USER_LABEL_PREFIX
  50 #define USER_LABEL_PREFIX ""
  51
  52 /* VxWorks uses wchar_t == unsigned short (UCS2) on all architectures.  */
  53 #undef WCHAR_TYPE
  54 #define WCHAR_TYPE "short unsigned int"
  55 #undef WCHAR_TYPE_SIZE
  56 #define WCHAR_TYPE_SIZE 16
  57
  58 /* Dwarf2 unwind info is not supported.  */
  59 #define DWARF2_UNWIND_INFO 0
  60 /* Weak symbols and link-once sections are not enabled by default.  */
  61 #define DEFAULT_USE_WEAK 0
  62
  63 /* Only supported debug format is Dwarf2.  */
  64 #undef DBX_DEBUGGING_INFO