55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
/* Definitions of target machine for GNU compiler,
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for IBM RS/6000 running MACH.
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Copyright (C) 1992, 1999 Free Software Foundation, Inc.
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Contributed by Richard Kenner (kenner@nyu.edu)
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#define TARGET_AIX 0
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/* Print subsidiary information on the compiler version in use. */
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#define TARGET_VERSION fprintf (stderr, " (Mach-RS/6000)");
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/* We don't define AIX under MACH; instead we define `unix'. */
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#undef TARGET_OS_CPP_BUILTINS
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#define TARGET_OS_CPP_BUILTINS() \
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do \
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{ \
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builtin_define_std ("rios"); \
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builtin_define ("_IBMR2"); \
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builtin_define_std ("unix"); \
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builtin_assert ("system=unix"); \
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builtin_assert ("system=mach"); \
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builtin_assert ("cpu=rs6000"); \
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builtin_assert ("machine=rs6000"); \
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} \
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while (0)
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/* Define different binder options for MACH. */
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#undef LINK_SPEC
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#define LINK_SPEC \
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"-T0x10000000 -D0x20000000 -K %{!nostdlib:%{!r*:%{!e*:-e __start}}} \
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-bnoso -berrmsg -btextro -bhalt:4 -bnodelcsect"
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/* MACH doesn't have atexit. */
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#define NEED_ATEXIT
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/* Don't default to pcc-struct-return, because gcc is the only compiler, and
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we want to retain compatibility with older gcc versions. */
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#define DEFAULT_PCC_STRUCT_RETURN 0
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