/* Definitions for SH running NetBSD using ELF
   Copyright (C) 2002, 2003 Free Software Foundation, Inc.
   Contributed by Wasabi Systems, Inc.

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 2, 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 this program; see the file COPYING.  If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

/* Run-time Target Specification.  */
#if TARGET_ENDIAN_DEFAULT == LITTLE_ENDIAN_BIT
#define TARGET_VERSION_ENDIAN "le"
#else
#define TARGET_VERSION_ENDIAN ""
#endif

#if TARGET_CPU_DEFAULT & SH5_BIT
#if TARGET_CPU_DEFAULT & SH3E_BIT
#define TARGET_VERSION_CPU "sh5"
#else
#define TARGET_VERSION_CPU "sh64"
#endif /* SH3E_BIT */
#else
#define TARGET_VERSION_CPU "sh"
#endif /* SH5_BIT */

#undef TARGET_VERSION
#define TARGET_VERSION	fprintf (stderr, " (NetBSD/%s%s ELF)",		\
                                 TARGET_VERSION_CPU, TARGET_VERSION_ENDIAN)


/* Extra specs needed for NetBSD SuperH ELF targets.  */

#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS						\
  { "netbsd_entry_point", NETBSD_ENTRY_POINT },


#define TARGET_OS_CPP_BUILTINS()					\
  do									\
    {									\
      NETBSD_OS_CPP_BUILTINS_ELF();					\
      builtin_define ("__NO_LEADING_UNDERSCORES__");			\
    }									\
  while (0)

/* Provide a LINK_SPEC appropriate for a NetBSD/sh ELF target.
   We use the SH_LINK_SPEC from sh/sh.h, and define the appropriate
   SUBTARGET_LINK_SPEC that pulls in what we need from a generic
   NetBSD ELF LINK_SPEC.  */

/* LINK_EMUL_PREFIX from sh/elf.h */

#undef LINK_DEFAULT_CPU_EMUL
#if TARGET_CPU_DEFAULT & SH5_BIT
#if TARGET_CPU_DEFAULT & SH3E_BIT
#define LINK_DEFAULT_CPU_EMUL "32"
#else
#define LINK_DEFAULT_CPU_EMUL "64"
#endif /* SH3E_BIT */
#else
#define LINK_DEFAULT_CPU_EMUL ""
#endif /* SH5_BIT */

#undef SUBTARGET_LINK_EMUL_SUFFIX
#define SUBTARGET_LINK_EMUL_SUFFIX "_nbsd"

#undef SUBTARGET_LINK_SPEC
#define SUBTARGET_LINK_SPEC NETBSD_LINK_SPEC_ELF

#undef LINK_SPEC
#define LINK_SPEC SH_LINK_SPEC

#define NETBSD_ENTRY_POINT "__start"

/* Provide a CPP_SPEC appropriate for NetBSD.  */
#undef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC NETBSD_CPP_SPEC

#undef TARGET_DEFAULT
#define TARGET_DEFAULT \
  (TARGET_CPU_DEFAULT | USERMODE_BIT | TARGET_ENDIAN_DEFAULT)

 
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(STREAM,LABELNO)				\
do									\
  {									\
    if (TARGET_SHMEDIA32)						\
      {									\
	/* FIXME */							\
	abort ();							\
      }									\
    else if (TARGET_SHMEDIA64)						\
      {									\
	/* FIXME */							\
	abort ();							\
      }									\
    else								\
      {									\
        fprintf((STREAM), "\tmov.l\t%sLP%d,r1\n",			\
                LOCAL_LABEL_PREFIX, (LABELNO));				\
        fprintf((STREAM), "\tmova\t%sLP%dr,r0\n",			\
                LOCAL_LABEL_PREFIX, (LABELNO));				\
        fprintf((STREAM), "\tjmp\t@r1\n");				\
        fprintf((STREAM), "\tnop\n");					\
        fprintf((STREAM), "\t.align\t2\n");				\
        fprintf((STREAM), "%sLP%d:\t.long\t__mcount\n",			\
                LOCAL_LABEL_PREFIX, (LABELNO));				\
        fprintf((STREAM), "%sLP%dr:\n", LOCAL_LABEL_PREFIX, (LABELNO));	\
      }									\
  }									\
while (0)