gcc/config/rs6000/rtems.h

   1 /* Definitions for rtems targeting a PowerPC using elf.
   2    Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005
   3    Free Software Foundation, Inc.
   4    Contributed by Joel Sherrill (joel@OARcorp.com).
   5
   6    This file is part of GCC.
   7
   8    GCC is free software; you can redistribute it and/or modify it
   9    under the terms of the GNU General Public License as published
  10    by the Free Software Foundation; either version 2, or (at your
  11    option) any later version.
  12
  13    GCC is distributed in the hope that it will be useful, but WITHOUT
  14    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  15    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  16    License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with GCC; see the file COPYING.  If not, write to the
  20    Free Software Foundation, 59 Temple Place - Suite 330, Boston,
  21    MA 02111-1307, USA.  */
  22
  23 /* Specify predefined symbols in preprocessor.  */
  24
  25 #undef TARGET_OS_CPP_BUILTINS
  26 #define TARGET_OS_CPP_BUILTINS()          \
  27   do                                      \
  28     {                                     \
  29       builtin_define_std ("PPC");         \
  30       builtin_define ("__rtems__");       \
  31       builtin_define ("__USE_INIT_FINI__"); \
  32       builtin_assert ("system=rtems");    \
  33       builtin_assert ("cpu=powerpc");     \
  34       builtin_assert ("machine=powerpc"); \
  35       TARGET_OS_SYSV_CPP_BUILTINS ();     \
  36     }                                     \
  37   while (0)
  38
  39 #undef CPP_OS_DEFAULT_SPEC
  40 #define CPP_OS_DEFAULT_SPEC "%(cpp_os_rtems)"
  41
  42 #define CPP_OS_RTEMS_SPEC "\
  43 %{!mcpu*:  %{!Dppc*: %{!Dmpc*: -Dmpc750} } }\
  44 %{mcpu=403:  %{!Dppc*: %{!Dmpc*: -Dppc403}  } } \
  45 %{mcpu=505:  %{!Dppc*: %{!Dmpc*: -Dmpc505}  } } \
  46 %{mcpu=601:  %{!Dppc*: %{!Dmpc*: -Dppc601}  } } \
  47 %{mcpu=602:  %{!Dppc*: %{!Dmpc*: -Dppc602}  } } \
  48 %{mcpu=603:  %{!Dppc*: %{!Dmpc*: -Dppc603}  } } \
  49 %{mcpu=603e: %{!Dppc*: %{!Dmpc*: -Dppc603e} } } \
  50 %{mcpu=604:  %{!Dppc*: %{!Dmpc*: -Dmpc604}  } } \
  51 %{mcpu=750:  %{!Dppc*: %{!Dmpc*: -Dmpc750}  } } \
  52 %{mcpu=821:  %{!Dppc*: %{!Dmpc*: -Dmpc821}  } } \
  53 %{mcpu=860:  %{!Dppc*: %{!Dmpc*: -Dmpc860}  } }"
  54
  55 #undef  SUBSUBTARGET_EXTRA_SPECS
  56 #define SUBSUBTARGET_EXTRA_SPECS \
  57   { "cpp_os_rtems",             CPP_OS_RTEMS_SPEC }