netbsd.h   [plain text]

/* Definitions of target machine for GNU compiler,
   for PowerPC NetBSD systems.
   Copyright 2002 Free Software Foundation, Inc.
   Contributed by Wasabi Systems, Inc.

This file is part of GNU CC.

GNU CC 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.

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

#undef TARGET_OS_CPP_BUILTINS	/* FIXME: sysv4.h should not define this! */
#define TARGET_OS_CPP_BUILTINS()		\
  do						\
    {						\
      NETBSD_OS_CPP_BUILTINS_ELF();		\
      builtin_define ("__powerpc__");		\
      builtin_assert ("cpu=powerpc");		\
      builtin_assert ("machine=powerpc");	\
    }						\
  while (0)

/* Override the default from rs6000.h to avoid conflicts with macros
   defined in NetBSD header files.  */

#undef RS6000_CPU_CPP_ENDIAN_BUILTINS
#define RS6000_CPU_CPP_ENDIAN_BUILTINS()	\
  do						\
    {						\
      if (BYTES_BIG_ENDIAN)			\
	{					\
	  builtin_define ("__BIG_ENDIAN__");	\
	  builtin_assert ("machine=bigendian");	\
	}					\
      else					\
	{					\
	  builtin_define ("__LITTLE_ENDIAN__");	\
	  builtin_assert ("machine=littleendian"); \
	}					\
    }						\
  while (0)

/* Make GCC agree with <machine/ansi.h>.  */

#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"

#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "int"

/* Undo the spec mess from sysv4.h, and just define the specs
   the way NetBSD systems actually expect.  */

#undef CPP_SPEC
#define CPP_SPEC NETBSD_CPP_SPEC

#undef LINK_SPEC
#define LINK_SPEC \
  "%{!msdata=none:%{G*}} %{msdata=none:-G0} \
   %(netbsd_link_spec)"

#define NETBSD_ENTRY_POINT "_start"

#undef STARTFILE_SPEC
#define STARTFILE_SPEC NETBSD_STARTFILE_SPEC

#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
  "crtsavres%O%s %(netbsd_endfile_spec)"

#undef LIB_SPEC
#define LIB_SPEC NETBSD_LIB_SPEC

#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS					\
  { "netbsd_link_spec",		NETBSD_LINK_SPEC_ELF },		\
  { "netbsd_entry_point",	NETBSD_ENTRY_POINT },		\
  { "netbsd_endfile_spec",	NETBSD_ENDFILE_SPEC },


#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (NetBSD/powerpc ELF)");