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