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Annotation of gcc/config/rs6000/mach.h, revision 1.1.1.3

1.1       root        1: /* Definitions of target machine for GNU compiler,
                      2:    for IBM RS/6000 running MACH.
                      3:    Copyright (C) 1992 Free Software Foundation, Inc.
                      4:    Contributed by Richard Kenner ([email protected])
                      5: 
                      6: This file is part of GNU CC.
                      7: 
                      8: GNU CC 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 2, or (at your option)
                     11: any later version.
                     12: 
                     13: GNU CC 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 GNU CC; see the file COPYING.  If not, write to
1.1.1.3 ! root       20: the Free Software Foundation, 59 Temple Place - Suite 330,
        !            21: Boston, MA 02111-1307, USA.  */
1.1       root       22: 
                     23: 
                     24: #include "rs6000/rs6000.h"
                     25: 
                     26: /* We don't define AIX under MACH; instead we define `unix'.  */
                     27: #undef CPP_PREDEFINES
1.1.1.2   root       28: #define CPP_PREDEFINES "-Drios -D_IBMR2 -Dunix -Asystem(unix) -Asystem(mach) -Acpu(rs6000) -Amachine(rs6000)"
1.1       root       29: 
                     30: /* Define different binder options for MACH.  */
                     31: #undef LINK_SPEC
                     32: #define LINK_SPEC \
                     33:  "-T0x10000000 -D0x20000000 -K %{!nostdlib:%{!r*:%{!e*:-e __start}}} \
                     34:   -bnoso -berrmsg -btextro -bhalt:4 -bnodelcsect"
                     35: 
                     36: /* MACH doesn't have atexit.  */
                     37: #undef HAVE_ATEXIT
                     38: 
                     39: /* Don't default to pcc-struct-return, because gcc is the only compiler, and
                     40:    we want to retain compatibility with older gcc versions.  */
                     41: #define DEFAULT_PCC_STRUCT_RETURN 0

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