gcc/config/i386/vxworks.h

   1 /* IA32 VxWorks target definitions for GNU compiler.
   2    Copyright (C) 2003-2013 Free Software Foundation, Inc.
   3    Updated by CodeSourcery, LLC.
   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 3, 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 COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 #undef  ASM_SPEC
  22 #define ASM_SPEC ""
  23
  24 #define TARGET_OS_CPP_BUILTINS()                        \
  25   do                                                    \
  26     {                                                   \
  27       VXWORKS_OS_CPP_BUILTINS ();                       \
  28       if (TARGET_386)                                   \
  29         builtin_define ("CPU=I80386");                  \
  30       else if (TARGET_486)                              \
  31         builtin_define ("CPU=I80486");                  \
  32       else if (TARGET_PENTIUM)                          \
  33         {                                               \
  34           builtin_define ("CPU=PENTIUM");               \
  35           builtin_define ("CPU_VARIANT=PENTIUM");       \
  36         }                                               \
  37       else if (TARGET_PENTIUMPRO)                       \
  38         {                                               \
  39           builtin_define ("CPU=PENTIUM2");              \
  40           builtin_define ("CPU_VARIANT=PENTIUMPRO");    \
  41         }                                               \
  42       else if (TARGET_PENTIUM4)                         \
  43         {                                               \
  44           builtin_define ("CPU=PENTIUM4");              \
  45           builtin_define ("CPU_VARIANT=PENTIUM4");      \
  46         }                                               \
  47     }                                                   \
  48   while (0)
  49
  50 #undef  CPP_SPEC
  51 #define CPP_SPEC VXWORKS_ADDITIONAL_CPP_SPEC
  52 #undef  LIB_SPEC
  53 #define LIB_SPEC VXWORKS_LIB_SPEC
  54 #undef  STARTFILE_SPEC
  55 #define STARTFILE_SPEC VXWORKS_STARTFILE_SPEC
  56 #undef  ENDFILE_SPEC
  57 #define ENDFILE_SPEC VXWORKS_ENDFILE_SPEC
  58 #undef  LINK_SPEC
  59 #define LINK_SPEC VXWORKS_LINK_SPEC
  60
  61 #undef  SUBTARGET_SWITCHES
  62 #define SUBTARGET_SWITCHES EXTRA_SUBTARGET_SWITCHES
  63
  64 #undef SUBTARGET_OVERRIDE_OPTIONS
  65 #define SUBTARGET_OVERRIDE_OPTIONS VXWORKS_OVERRIDE_OPTIONS
  66
  67 /* No _mcount profiling on VxWorks.  */
  68 #undef FUNCTION_PROFILER
  69 #define FUNCTION_PROFILER(FILE,LABELNO) VXWORKS_FUNCTION_PROFILER(FILE,LABELNO)
  70
  71 /* We cannot use PC-relative accesses for VxWorks PIC because there is no
  72    fixed gap between segments.  */
  73 #undef ASM_PREFERRED_EH_DATA_FORMAT