view gcc/config/sh/vxworks.h @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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/* Definitions of target machine for GCC,
   for SuperH with targeting the VXWorks run time environment. 
   Copyright (C) 2003, 2004, 2007 Free Software Foundation, Inc.
   Contributed by CodeSourcery, LLC.
   
This file is part of GCC.

GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.

GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */


#define TARGET_OS_CPP_BUILTINS()	\
  do					\
    {					\
      builtin_define ("CPU=SH7000");	\
      VXWORKS_OS_CPP_BUILTINS ();	\
    }					\
  while (0)

#undef SUBTARGET_OVERRIDE_OPTIONS
#define SUBTARGET_OVERRIDE_OPTIONS				\
  do								\
    {								\
      VXWORKS_OVERRIDE_OPTIONS;					\
      /* The kernel loader cannot handle the relaxation		\
	 relocations, so it cannot load kernel modules		\
	 (which are ET_REL) or RTP executables (which are	\
	 linked with --emit-relocs).  No relaxation relocations	\
	 appear in shared libraries, so relaxation is OK	\
	 for RTP PIC.  */					\
      if (TARGET_RELAX && !(TARGET_VXWORKS_RTP && flag_pic))	\
	error ("-mrelax is only supported for RTP PIC");	\
    }								\
  while (0)

#undef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC VXWORKS_ADDITIONAL_CPP_SPEC

#undef SUBTARGET_LINK_EMUL_SUFFIX
#define SUBTARGET_LINK_EMUL_SUFFIX "_vxworks"

#undef LIB_SPEC
#define LIB_SPEC VXWORKS_LIB_SPEC
#undef LINK_SPEC
#define LINK_SPEC VXWORKS_LINK_SPEC " " SH_LINK_SPEC
#undef STARTFILE_SPEC
#define STARTFILE_SPEC VXWORKS_STARTFILE_SPEC
#undef ENDFILE_SPEC
#define ENDFILE_SPEC VXWORKS_ENDFILE_SPEC

#undef TARGET_VERSION
#define TARGET_VERSION	fputs (" (SH/VxWorks)", stderr);

/* There is no default multilib.  */
#undef MULTILIB_DEFAULTS

#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER VXWORKS_FUNCTION_PROFILER