gcc/config/alpha/vxworks.h

   1 /* Definitions of target machine for GNU compiler.  Vxworks Alpha version.
   2    Copyright (C) 1998 Free Software Foundation, Inc.
   3
   4 This file is part of GNU CC.
   5
   6 GNU CC 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 2, or (at your option)
   9 any later version.
  10
  11 GNU CC 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 You should have received a copy of the GNU General Public License
  17 along with GNU CC; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21 /* This file just exists to give specs for the Alpha running on VxWorks.  */
  22
  23 #undef CPP_SUBTARGET_SPEC
  24 #define CPP_SUBTARGET_SPEC "\
  25 %{mvxsim:-DCPU=SIMALPHADUNIX} \
  26 %{!mvxsim: %{!mcpu*|mcpu=21064:-DCPU=21064} %{mcpu=21164:-DCPU=21164}} \
  27 %{posix: -D_POSIX_SOURCE}"
  28
  29 #define TARGET_OS_CPP_BUILTINS()                \
  30     do {                                        \
  31         builtin_define ("__vxworks");           \
  32         builtin_define ("__alpha_vxworks");     \
  33         builtin_define ("_LONGLONG");           \
  34         builtin_assert ("system=vxworks");      \
  35         builtin_assert ("system=embedded");     \
  36     } while (0)
  37
  38 /* VxWorks does all the library stuff itself.  */
  39
  40 #undef LIB_SPEC
  41 #define LIB_SPEC ""
  42
  43 /* VxWorks uses object files, not loadable images.  Make linker just combine
  44    objects.  Also show using 32 bit mode and set start of text to 0.  */
  45
  46 #undef LINK_SPEC
  47 #define LINK_SPEC "-r -taso -T 0"
  48
  49 /* VxWorks provides the functionality of crt0.o and friends itself.  */
  50
  51 #undef STARTFILE_SPEC
  52 #define STARTFILE_SPEC ""
  53
  54 #undef ENDFILE_SPEC
  55 #define ENDFILE_SPEC ""