/* Definitions of target machine for GNU compiler,   for IBM RS/6000 running MACH.   Copyright (C) 1992 Free Software Foundation, Inc.   Contributed by Richard Kenner (kenner@nyu.edu)This file is part of GNU CC.GNU CC is free software; you can redistribute it and/or modifyit under the terms of the GNU General Public License as published bythe 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 ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See theGNU General Public License for more details.You should have received a copy of the GNU General Public Licensealong with GNU CC; see the file COPYING.  If not, write tothe Free Software Foundation, 59 Temple Place - Suite 330,Boston, MA 02111-1307, USA.  */#include "rs6000/rs6000.h"/* We don't define AIX under MACH; instead we define `unix'.  */#undef CPP_PREDEFINES#define CPP_PREDEFINES "-Drios -D_IBMR2 -Dunix -Asystem(unix) -Asystem(mach) -Acpu(rs6000) -Amachine(rs6000)"/* Define different binder options for MACH.  */#undef LINK_SPEC#define LINK_SPEC \ "-T0x10000000 -D0x20000000 -K %{!nostdlib:%{!r*:%{!e*:-e __start}}} \  -bnoso -berrmsg -btextro -bhalt:4 -bnodelcsect"/* MACH doesn't have atexit.  */#undef HAVE_ATEXIT/* Don't default to pcc-struct-return, because gcc is the only compiler, and   we want to retain compatibility with older gcc versions.  */#define DEFAULT_PCC_STRUCT_RETURN 0