/* Definitions of target machine for GNU compiler, for IBM RS/6000 running MACH. Copyright (C) 1992, 1999 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 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. */ #define TARGET_AIX 0 /* Print subsidiary information on the compiler version in use. */ #define TARGET_VERSION fprintf (stderr, " (Mach-RS/6000)"); /* We don't define AIX under MACH; instead we define `unix'. */ #undef TARGET_OS_CPP_BUILTINS #define TARGET_OS_CPP_BUILTINS() \ do \ { \ builtin_define_std ("rios"); \ builtin_define ("_IBMR2"); \ builtin_define_std ("unix"); \ builtin_assert ("system=unix"); \ builtin_assert ("system=mach"); \ builtin_assert ("cpu=rs6000"); \ builtin_assert ("machine=rs6000"); \ } \ while (0) /* 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. */ #define NEED_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