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Annotation of GNUtools/cc/config/m68k/sun2.h, revision 1.1

1.1     ! root        1: /* Definitions of target machine for GNU compiler.  Sun 68010 version.
        !             2:    Copyright (C) 1987, 1988 Free Software Foundation, Inc.
        !             3: 
        !             4: This file is part of GNU CC.
        !             5: 
        !             6: GNU CC is free software; you can redistribute it and/or modify
        !             7: it under the terms of the GNU General Public License as published by
        !             8: the Free Software Foundation; either version 2, or (at your option)
        !             9: any later version.
        !            10: 
        !            11: GNU CC is distributed in the hope that it will be useful,
        !            12: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            14: GNU General Public License for more details.
        !            15: 
        !            16: You should have received a copy of the GNU General Public License
        !            17: along with GNU CC; see the file COPYING.  If not, write to
        !            18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
        !            19: 
        !            20: 
        !            21: #include "m68k/m68k.h"
        !            22: 
        !            23: /* See m68k.h.  0 means 68000 with no 68881.  */
        !            24: 
        !            25: #define TARGET_DEFAULT 0
        !            26: 
        !            27: /* Don't try using XFmode.  */
        !            28: #undef LONG_DOUBLE_TYPE_SIZE
        !            29: #define LONG_DOUBLE_TYPE_SIZE 64
        !            30: 
        !            31: /* Define __HAVE_68881 in preprocessor only if -m68881 is specified.
        !            32:    This will control the use of inline 68881 insns in certain macros.
        !            33:    Also inform the program which CPU this is for.  */
        !            34: 
        !            35: #define CPP_SPEC "%{m68881:-D__HAVE_68881__} \
        !            36: %{!ansi:%{m68020:-Dmc68020}%{mc68020:-Dmc68020}%{!mc68020:%{!m68020:-Dmc68010}}}"
        !            37: 
        !            38: /* -m68020 requires special flags to the assembler.  */
        !            39: 
        !            40: #define ASM_SPEC \
        !            41:  "%{m68020:-mc68020}%{mc68020:-mc68020}%{!mc68020:%{!m68020:-mc68010}} \
        !            42:   %{fpic:-k} %{fPIC:-k}"
        !            43:   
        !            44: /* Names to predefine in the preprocessor for this target machine.  */
        !            45: 
        !            46: #define CPP_PREDEFINES "-Dmc68000 -Dsun -Dunix -Asystem(unix)  -Asystem(bsd) -Acpu(m68k) -Amachine(m68k)"
        !            47: 
        !            48: /* Prevent error on `-sun2' and `-target sun2' options.  */
        !            49: 
        !            50: #define CC1_SPEC "%{sun2:} %{target:}"
        !            51: 
        !            52: /* These compiler options take an argument.  We ignore -target for now.  */
        !            53: 
        !            54: #define WORD_SWITCH_TAKES_ARG(STR)                             \
        !            55:  (DEFAULT_WORD_SWITCH_TAKES_ARG (STR)                          \
        !            56:   || !strcmp (STR, "target") || !strcmp (STR, "assert"))
        !            57: 
        !            58: /* Specify what to link with.  */
        !            59: 
        !            60: /* Link with libg.a when debugging, for dbx's sake.  */
        !            61: /* Include the support for -a when appropriate.  */
        !            62: #define LIB_SPEC "%{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \
        !            63: %{a:/usr/lib/bb_link.o -lc} "
        !            64: 
        !            65: /* Alignment of field after `int : 0' in a structure.  */
        !            66: 
        !            67: #undef EMPTY_FIELD_BOUNDARY
        !            68: #define EMPTY_FIELD_BOUNDARY 16
        !            69: 
        !            70: /* Every structure or union's size must be a multiple of 2 bytes.  */
        !            71: 
        !            72: #define STRUCTURE_SIZE_BOUNDARY 16
        !            73: 
        !            74: /* This is BSD, so it wants DBX format.  */
        !            75: 
        !            76: #define DBX_DEBUGGING_INFO

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