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Annotation of GNUtools/cc/config/m68k/plexus.h, revision 1.1

1.1     ! root        1: /* Definitions of target machine for GNU compiler.
        !             2:    Copyright (C) 1990 Free Software Foundation, Inc.
        !             3: 
        !             4:    Written by Randy Welch
        !             5:    Send bug reports, questions and improvements to any of the following
        !             6:    addresses:
        !             7: 
        !             8:    [email protected]
        !             9:    [email protected]
        !            10:    [email protected]
        !            11: 
        !            12:    For Plexus P/60 and assumably P/35 P/75 P/95's running System V.2
        !            13: 
        !            14:    This file outputs assembler source for gas-1.38.1 with the COFF patches
        !            15:    The patches for gas-1.38.1 to support COFF is on ftp.cs.umb.edu in pub/gnu 
        !            16:    No debugging is supported, due to the fact that the only debugger Plexus
        !            17:    had was adb *sigh*.
        !            18: 
        !            19:    This is configured for label output default by gas as LXXX instead of
        !            20:    plexus cc/as combination requires .LXXX
        !            21: 
        !            22: This file is part of GNU CC.
        !            23: 
        !            24: GNU CC is free software; you can redistribute it and/or modify
        !            25: it under the terms of the GNU General Public License as published by
        !            26: the Free Software Foundation; either version 1, or (at your option)
        !            27: any later version.
        !            28: 
        !            29: GNU CC is distributed in the hope that it will be useful,
        !            30: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            31: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            32: GNU General Public License for more details.
        !            33: 
        !            34: You should have received a copy of the GNU General Public License
        !            35: along with GNU CC; see the file COPYING.  If not, write to
        !            36: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
        !            37: 
        !            38: 
        !            39: #include "m68k/m68k.h"
        !            40: 
        !            41: /* Define __HAVE_68881 in preprocessor only if -m68881 is specified.
        !            42:    This will control the use of inline 68881 insns in certain macros. */
        !            43: 
        !            44: #define TARGET_DEFAULT 5                      /* set to 5 if on a '020 box */
        !            45: 
        !            46: /* Don't try using XFmode.  */
        !            47: #undef LONG_DOUBLE_TYPE_SIZE
        !            48: #define LONG_DOUBLE_TYPE_SIZE 64
        !            49: 
        !            50: #define CPP_SPEC "%{m68881:-D__HAVE_68881__}"
        !            51: #define CPP_PREDEFINES "-Dm68 -Dunix -Dplexus -Asystem(unix)  -Acpu(m68k) -Amachine(m68k)"
        !            52: 
        !            53: #if TARGET_DEFAULT & 01
        !            54: #define ASM_SPEC\
        !            55: "%{m68000:-mc68000}%{mc68000:-mc68000}%{!mc68000:%{!m68000:-mc68020}}"
        !            56: #undef STRICT_ALIGNMENT
        !            57: #define STRICT_ALIGNMENT 0
        !            58: #else
        !            59: #define ASM_SPEC\
        !            60: "%{m68020:-mc68020}%{mc68020:-mc68020}%{!mc68020:%{!mc68020:-mc68000}}"
        !            61: #endif
        !            62: 
        !            63: /***************************************************************************/
        !            64: /*  Un comment the following if you want adb to be able to follow a core   */
        !            65: /*  file if you compile a program with -O                                  */
        !            66: /***************************************************************************/
        !            67: /* #define FRAME_POINTER_REQUIRED */
        !            68: 
        !            69: /* Let's be compatible with the Plexus C compiler by default.  Why not?  */
        !            70: #define PLEXUS_CC_COMPAT
        !            71: 
        !            72: #ifdef PLEXUS_CC_COMPAT
        !            73: #define STRUCTURE_SIZE_BOUNDARY 16     /* for compatibility with cc */
        !            74: #undef STACK_BOUNDARY
        !            75: #define STACK_BOUNDARY 32              /* ditto */
        !            76: #endif
        !            77: 
        !            78: #undef NEED_PROBE
        !            79: #define NEED_PROBE -132                        /* plexus needs a stack probe */
        !            80: 
        !            81: #undef DBX_DEBUGGING_INFO              /* no real debugger */
        !            82: #undef SDB_DEBUGGING_INFO
        !            83: 
        !            84: #define TARGET_MEM_FUNCTIONS
        !            85: 
        !            86: /***********************************************************************/
        !            87: /*                          items for collect2                         */
        !            88: /***********************************************************************/
        !            89: 
        !            90: #define NM_FLAGS ""
        !            91: #define NO_SYS_SIGLIST
        !            92: #define NO_DUP2
        !            93: 
        !            94: #define SIZE_TYPE "int"

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