gcc/config/powerpcspe/rtems.h

   1 /* Definitions for rtems targeting a PowerPC using elf.
   2    Copyright (C) 1996-2018 Free Software Foundation, Inc.
   3    Contributed by Joel Sherrill (joel@OARcorp.com).
   4
   5    This file is part of GCC.
   6
   7    GCC is free software; you can redistribute it and/or modify it
   8    under the terms of the GNU General Public License as published
   9    by the Free Software Foundation; either version 3, or (at your
  10    option) any later version.
  11
  12    GCC is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15    License for more details.
  16
  17    Under Section 7 of GPL version 3, you are granted additional
  18    permissions described in the GCC Runtime Library Exception, version
  19    3.1, as published by the Free Software Foundation.
  20
  21    You should have received a copy of the GNU General Public License and
  22    a copy of the GCC Runtime Library Exception along with this program;
  23    see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  24    <http://www.gnu.org/licenses/>.  */
  25
  26 /* Specify predefined symbols in preprocessor.  */
  27
  28 #undef TARGET_OS_CPP_BUILTINS
  29 #define TARGET_OS_CPP_BUILTINS()          \
  30   do                                      \
  31     {                                     \
  32       builtin_define_std ("PPC");         \
  33       builtin_define ("__rtems__");       \
  34       builtin_define ("__USE_INIT_FINI__"); \
  35       builtin_assert ("system=rtems");    \
  36       builtin_assert ("cpu=powerpc");     \
  37       builtin_assert ("machine=powerpc"); \
  38       TARGET_OS_SYSV_CPP_BUILTINS ();     \
  39     }                                     \
  40   while (0)
  41
  42 #undef TARGET_LIBGCC_SDATA_SECTION
  43 #define TARGET_LIBGCC_SDATA_SECTION ".sdata"
  44
  45 #undef CPP_OS_DEFAULT_SPEC
  46 #define CPP_OS_DEFAULT_SPEC "%(cpp_os_rtems)"
  47
  48 #define CPP_OS_RTEMS_SPEC "\
  49 %{!mcpu*:  %{!Dppc*: %{!Dmpc*: -Dmpc750} } }\
  50 %{mcpu=403:  %{!Dppc*: %{!Dmpc*: -Dppc403}  } } \
  51 %{mcpu=505:  %{!Dppc*: %{!Dmpc*: -Dmpc505}  } } \
  52 %{mcpu=601:  %{!Dppc*: %{!Dmpc*: -Dppc601}  } } \
  53 %{mcpu=602:  %{!Dppc*: %{!Dmpc*: -Dppc602}  } } \
  54 %{mcpu=603:  %{!Dppc*: %{!Dmpc*: -Dppc603}  } } \
  55 %{mcpu=603e: %{!Dppc*: %{!Dmpc*: -Dppc603e} } } \
  56 %{mcpu=604:  %{!Dppc*: %{!Dmpc*: -Dmpc604}  } } \
  57 %{mcpu=750:  %{!Dppc*: %{!Dmpc*: -Dmpc750}  } } \
  58 %{mcpu=821:  %{!Dppc*: %{!Dmpc*: -Dmpc821}  } } \
  59 %{mcpu=860:  %{!Dppc*: %{!Dmpc*: -Dmpc860}  } } \
  60 %{mcpu=8540: %{!Dppc*: %{!Dmpc*: -Dppc8540}  } } \
  61 %{mcpu=e6500: -D__PPC_CPU_E6500__}"
  62
  63 #undef  SUBSUBTARGET_EXTRA_SPECS
  64 #define SUBSUBTARGET_EXTRA_SPECS \
  65   { "cpp_os_rtems",             CPP_OS_RTEMS_SPEC }