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      1 /* Definitions of target machine for GCC,
      2    for SuperH with targeting the VXWorks run time environment.
      3    Copyright (C) 2003-2022 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
     67