/* Definitions of target machine for GNU compiler, for 680X0 based Plexus Computers running SYSVR2 Copyright (C) 1990, 1994, 1996 Free Software Foundation, Inc. Contributed by Randy Welch (rwelch@netcom.com). 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 1, 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. */ /* The Plexus port of gcc requires you to use gas ( either 1.3X with COFF patches or 2.X ), If you use gas 2.X you have to use binutils-2.X. With using gas-2.X the Plexus gcc port is now capable of generating output suitable for use by gdb-4.X ( send mail to above address for info on getting gdb patches or other GNU items for the Plexus ) This is configured for label output default by gas as LXXX instead of plexus cc/as combination requires .LXXX */ #include "m68k/m68k.h" /* Define __HAVE_68881 in preprocessor only if -m68881 is specified. This will control the use of inline 68881 insns in certain macros. */ #define TARGET_DEFAULT (MASK_BITFIELD|MASK_68020) /* Don't try using XFmode. */ #undef LONG_DOUBLE_TYPE_SIZE #define LONG_DOUBLE_TYPE_SIZE 64 #define CPP_SPEC "%{m68881:-D__HAVE_68881__}" #define CPP_PREDEFINES "-Dm68 -Dunix -Dplexus -Asystem(unix) -Acpu(m68k) -Amachine(m68k)" #if TARGET_DEFAULT & MASK_68020 #define ASM_SPEC\ "%{m68000:-mc68000}%{mc68000:-mc68000}%{!mc68000:%{!m68000:-mc68020}}" #undef STRICT_ALIGNMENT #define STRICT_ALIGNMENT 0 #else #define ASM_SPEC\ "%{m68020:-mc68020}%{mc68020:-mc68020}%{!mc68020:%{!mc68020:-mc68000}}" #endif /***************************************************************************/ /* Un comment the following if you want adb to be able to follow a core */ /* file if you compile a program with -O */ /***************************************************************************/ /* #define FRAME_POINTER_REQUIRED */ /* Let's be compatible with the Plexus C compiler by default. Why not? */ #define PLEXUS_CC_COMPAT #ifdef PLEXUS_CC_COMPAT #define STRUCTURE_SIZE_BOUNDARY 16 /* for compatibility with cc */ #undef STACK_BOUNDARY #define STACK_BOUNDARY 32 /* ditto */ #endif #undef NEED_PROBE #define NEED_PROBE -132 /* plexus needs a stack probe */ /***********************************************************************/ /* if you have binutils-2.X and gas-2.X running you can generate code */ /* that gdb can understand ( gdb support available for 4.11 ) */ /* */ /* If you use gas-1.3X don't define this as the version of the coff */ /* patches for gas-1.3x ( stabs in coff ) does not generate coff debug */ /* syms */ /***********************************************************************/ #define HAVE_GAS_2_X #ifdef HAVE_GAS_2_X #undef DBX_DEBUGGING_INFO #define SDB_DEBUGGING_INFO #undef ASM_FILE_START #define ASM_FILE_START(FILE) \ output_file_directive((FILE), main_input_filename) #else #undef DBX_DEBUGGING_INFO /* no real debugger */ #undef SDB_DEBUGGING_INFO #endif #define TARGET_MEM_FUNCTIONS /***********************************************************************/ /* items for collect2 */ /***********************************************************************/ #define NM_FLAGS "" #define NO_SYS_SIGLIST #define NO_DUP2 #define SIZE_TYPE "int"