gcc/config/sh/vxworks.h

   1 /* Definitions of target machine for GCC,
   2    for SuperH with targeting the VXWorks run time environment.
   3    Copyright (C) 2003, 2004, 2007, 2011 Free Software Foundation, Inc.
   4    Contributed by CodeSourcery, LLC.
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GCC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public 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 COPYING3.  If not see
  20 <http://www.gnu.org/licenses/>.  */
  21
  22
  23 #define TARGET_OS_CPP_BUILTINS()        \
  24   do                                    \
  25     {                                   \
  26       builtin_define ("CPU=SH7000");    \
  27       VXWORKS_OS_CPP_BUILTINS ();       \
  28     }                                   \
  29   while (0)
  30
  31 #undef SUBTARGET_OVERRIDE_OPTIONS
  32 #define SUBTARGET_OVERRIDE_OPTIONS                              \
  33   do                                                            \
  34     {                                                           \
  35       VXWORKS_OVERRIDE_OPTIONS;                                 \
  36       /* The kernel loader cannot handle the relaxation         \
  37          relocations, so it cannot load kernel modules          \
  38          (which are ET_REL) or RTP executables (which are       \
  39          linked with --emit-relocs).  No relaxation relocations \
  40          appear in shared libraries, so relaxation is OK        \
  41          for RTP PIC.  */                                       \
  42       if (TARGET_RELAX && !(TARGET_VXWORKS_RTP && flag_pic))    \
  43         error ("-mrelax is only supported for RTP PIC");        \
  44     }                                                           \
  45   while (0)
  46
  47 #undef SUBTARGET_CPP_SPEC
  48 #define SUBTARGET_CPP_SPEC VXWORKS_ADDITIONAL_CPP_SPEC
  49
  50 #undef SUBTARGET_LINK_EMUL_SUFFIX
  51 #define SUBTARGET_LINK_EMUL_SUFFIX "_vxworks"
  52
  53 #undef LIB_SPEC
  54 #define LIB_SPEC VXWORKS_LIB_SPEC
  55 #undef LINK_SPEC
  56 #define LINK_SPEC VXWORKS_LINK_SPEC " " SH_LINK_SPEC
  57 #undef STARTFILE_SPEC
  58 #define STARTFILE_SPEC VXWORKS_STARTFILE_SPEC
  59 #undef ENDFILE_SPEC
  60 #define ENDFILE_SPEC VXWORKS_ENDFILE_SPEC
  61
  62 /* There is no default multilib.  */
  63 #undef MULTILIB_DEFAULTS
  64
  65 #undef FUNCTION_PROFILER
  66 #define FUNCTION_PROFILER VXWORKS_FUNCTION_PROFILER