gcc/config/i386/vxworks.h

   1 /* IA32 VxWorks target definitions for GNU compiler.
   2    Copyright (C) 2003, 2004, 2005, 2007, 2010 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  TARGET_VERSION
  22 #define TARGET_VERSION fprintf (stderr, " (80586, VxWorks syntax)");
  23
  24 #undef  ASM_SPEC
  25 #define ASM_SPEC ""
  26
  27 #define TARGET_OS_CPP_BUILTINS()                        \
  28   do                                                    \
  29     {                                                   \
  30       VXWORKS_OS_CPP_BUILTINS ();                       \
  31       if (TARGET_386)                                   \
  32         builtin_define ("CPU=I80386");                  \
  33       else if (TARGET_486)                              \
  34         builtin_define ("CPU=I80486");                  \
  35       else if (TARGET_PENTIUM)                          \
  36         {                                               \
  37           builtin_define ("CPU=PENTIUM");               \
  38           builtin_define ("CPU_VARIANT=PENTIUM");       \
  39         }                                               \
  40       else if (TARGET_PENTIUMPRO)                       \
  41         {                                               \
  42           builtin_define ("CPU=PENTIUM2");              \
  43           builtin_define ("CPU_VARIANT=PENTIUMPRO");    \
  44         }                                               \
  45       else if (TARGET_PENTIUM4)                         \
  46         {                                               \
  47           builtin_define ("CPU=PENTIUM4");              \
  48           builtin_define ("CPU_VARIANT=PENTIUM4");      \
  49         }                                               \
  50     }                                                   \
  51   while (0)
  52
  53 #undef  CPP_SPEC
  54 #define CPP_SPEC VXWORKS_ADDITIONAL_CPP_SPEC
  55 #undef  LIB_SPEC
  56 #define LIB_SPEC VXWORKS_LIB_SPEC
  57 #undef  STARTFILE_SPEC
  58 #define STARTFILE_SPEC VXWORKS_STARTFILE_SPEC
  59 #undef  ENDFILE_SPEC
  60 #define ENDFILE_SPEC VXWORKS_ENDFILE_SPEC
  61 #undef  LINK_SPEC
  62 #define LINK_SPEC VXWORKS_LINK_SPEC
  63
  64 #undef  SUBTARGET_SWITCHES
  65 #define SUBTARGET_SWITCHES EXTRA_SUBTARGET_SWITCHES
  66
  67 #undef SUBTARGET_OVERRIDE_OPTIONS
  68 #define SUBTARGET_OVERRIDE_OPTIONS VXWORKS_OVERRIDE_OPTIONS
  69
  70 /* No _mcount profiling on VxWorks.  */
  71 #undef FUNCTION_PROFILER
  72 #define FUNCTION_PROFILER(FILE,LABELNO) VXWORKS_FUNCTION_PROFILER(FILE,LABELNO)
  73
  74 /* We cannot use PC-relative accesses for VxWorks PIC because there is no
  75    fixed gap between segments.  */
  76 #undef ASM_PREFERRED_EH_DATA_FORMAT