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Annotation of gcc/config/m68k/vxm68k.h, revision 1.1

1.1     ! root        1: /* Definitions of target machine for GNU compiler.  Vxworks m68k version.
        !             2:    Copyright (C) 1994 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, 59 Temple Place - Suite 330,
        !            19: Boston, MA 02111-1307, USA.  */
        !            20: 
        !            21: /* This comment is here to see if it will keep Sun's cpp from dying.  */
        !            22: 
        !            23: #define CPP_PREDEFINES "-Dmc68000 -D__vxworks -D__vxworks_5 -Acpu(m68k) -Amachine(m68k)"
        !            24: 
        !            25: /* Vxworks header files require that the macro CPU be set, so we must override
        !            26:    the CPP_SPEC from m68k-none.h.  */
        !            27: 
        !            28: #define CPP_SPEC \
        !            29: "%{!mc68000:%{!m68000:%{!m68332:%{!msoft-float:%{mfpa:-D__HAVE_FPA__ }%{!mfpa:-D__HAVE_68881__ }}}}}\
        !            30: %{!ansi:%{m68000:-DCPU=MC68000 }%{m68010:-Dmc68010 -DCPU=MC68010 }%{m68020:-Dmc68020 -DCPU=MC68020 }%{mc68020:-Dmc68020 -DCPU=MC68020 }%{m68030:-Dmc68030 -DCPU=MC68030 }%{m68040:-Dmc68040 -DCPU=MC68040 }%{m68020-40:-Dmc68020 -Dmc68030 -Dmc68040 -DCPU=MC68020 }%{m68302:-Dmc68302 -DCPU=MC68000 }%{m68332:-Dmc68332 -DCPU=CPU32 }%{!mc68000:%{!m68000:%{!m68010:%{!mc68020:%{!m68020:%{!m68030:%{!m68040:%{!m68020-40:%{!m68302:%{!m68332:-Dmc68020 -DCPU=MC68020 }}}}}}}}}}}\
        !            31: %{m68010:-D__mc68010__ -D__mc68010 }%{m68020:-D__mc68020__ -D__mc68020 }%{mc68020:-D__mc68020__ -D__mc68020 }%{m68030:-D__mc68030__ -D__mc68030 }%{m68040:-D__mc68040__ -D__mc68040 }%{m68020-40:-D__mc68020__ -D__mc68030__ -D__mc68040__ -D__mc68020 -D__mc68030 -D__mc68040 }%{m68302:-D__mc68302__ -D__mc68302 }%{m68332:-D__mc68332__ -D__mc68332 }%{!mc68000:%{!m68000:%{!m68010:%{!mc68020:%{!m68020:%{!m68030:%{!m68040:%{!m68020-40:%{!m68302:%{!m68332:-D__mc68020__ -D__mc68020 }}}}}}}}}}"
        !            32: 
        !            33: #include "m68k/m68k-none.h"
        !            34: #include "aoutos.h"
        !            35: 
        !            36: #define DBX_DEBUGGING_INFO
        !            37: #undef SDB_DEBUGGING_INFO
        !            38: 
        !            39: #undef WCHAR_TYPE
        !            40: #define WCHAR_TYPE "short unsigned int"
        !            41: #undef SIZE_TYPE
        !            42: #define SIZE_TYPE "long unsigned int"
        !            43: 
        !            44: /* VxWorks does all the library stuff itself.  */
        !            45: 
        !            46: #define LIB_SPEC ""
        !            47: 
        !            48: /* Provide required defaults for linker -e. */
        !            49:  
        !            50: #define LINK_SPEC "%{!nostdlib:%{!r*:%{!e*:-e start}}}"
        !            51: 
        !            52: /* VxWorks provides the functionality of crt0.o and friends itself.  */
        !            53: 
        !            54: #define STARTFILE_SPEC ""
        !            55: 
        !            56: /* Every structure or union's size must be a multiple of 2 bytes.  */
        !            57: 
        !            58: #define STRUCTURE_SIZE_BOUNDARY 16
        !            59: 
        !            60: /* Allow folding division by zero.  */
        !            61: #define REAL_INFINITY
        !            62: 
        !            63: /* GCC is the primary compiler for VxWorks, so we don't need this.  */
        !            64: #undef PCC_STATIC_STRUCT_RETURN

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