97 lines
3.2 KiB
C
97 lines
3.2 KiB
C
/* Definitions of target machine for GNU compiler. Vxworks m68k version.
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Copyright (C) 1994, 1996 Free Software Foundation, Inc.
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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 2, 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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/* This comment is here to see if it will keep Sun's cpp from dying. */
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#include "m68k/m68k-none.h"
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#include "aoutos.h"
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES "-Dmc68000 -D__vxworks -D__vxworks_5 -Acpu(m68k) -Amachine(m68k)"
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/* The default value for -DCPU=. */
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#if TARGET_CPU_DEFAULT == M68K_CPU_m68k || TARGET_CPU_DEFAULT == M68K_CPU_m68020
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#define CPP_SUBTARGET_CPU_DEFAULT_SPEC "-DCPU=MC68020"
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#else
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#if TARGET_CPU_DEFAULT == M68K_CPU_m68000
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#define CPP_SUBTARGET_CPU_DEFAULT_SPEC "-DCPU=MC68000"
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#else
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#if TARGET_CPU_DEFAULT == M68K_CPU_m68030
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#define CPP_SUBTARGET_CPU_DEFAULT_SPEC "-DCPU=MC68030"
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#else
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#if TARGET_CPU_DEFAULT == M68K_CPU_m68040
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#define CPP_SUBTARGET_CPU_DEFAULT_SPEC "-DCPU=MC68040"
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#else
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#if TARGET_CPU_DEFAULT == M68K_CPU_m68302
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#define CPP_SUBTARGET_CPU_DEFAULT_SPEC "-DCPU=MC68302"
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#else
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#if TARGET_CPU_DEFAULT == M68K_CPU_m68332
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#define CPP_SUBTARGET_CPU_DEFAULT_SPEC "-DCPU=MC68332"
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#else
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Unrecognized value in TARGET_CPU_DEFAULT.
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#endif
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#endif
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#endif
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#endif
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#endif
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#endif
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#undef SUBTARGET_EXTRA_SPECS
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#define SUBTARGET_EXTRA_SPECS \
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{ "cpp_subtarget_cpu_default", CPP_SUBTARGET_CPU_DEFAULT_SPEC }
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/* Vxworks header files require that the macro CPU be set. */
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/* ??? The previous code didn't set CPU if -ansi. */
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#undef CPP_SUBTARGET_SPEC
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#define CPP_SUBTARGET_SPEC "\
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%{m68000:-DCPU=MC68000 }%{m68010:-DCPU=MC68010 }%{m68020:-DCPU=MC68020 }%{mc68020:-DCPU=MC68020 }%{m68030:-DCPU=MC68030 }%{m68040:-DCPU=MC68040 }%{m68020-40:-DCPU=MC68020 }%{m68302:-DCPU=MC68000 }%{m68332:-DCPU=CPU32 } \
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%{!mc68000:%{!m68000:%{!m68010:%{!mc68020:%{!m68020:%{!m68030:%{!m68040:%{!m68020-40:%{!m68302:%{!m68332:%(cpp_subtarget_cpu_default) }}}}}}}}}} \
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"
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#define DBX_DEBUGGING_INFO
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#undef SDB_DEBUGGING_INFO
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "short unsigned int"
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#undef SIZE_TYPE
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#define SIZE_TYPE "long unsigned int"
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/* VxWorks does all the library stuff itself. */
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#define LIB_SPEC ""
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/* Provide required defaults for linker -e. */
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#define LINK_SPEC "%{!nostdlib:%{!r*:%{!e*:-e start}}}"
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/* VxWorks provides the functionality of crt0.o and friends itself. */
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#define STARTFILE_SPEC ""
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/* Every structure or union's size must be a multiple of 2 bytes. */
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#define STRUCTURE_SIZE_BOUNDARY 16
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/* Allow folding division by zero. */
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#define REAL_INFINITY
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/* GCC is the primary compiler for VxWorks, so we don't need this. */
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#undef PCC_STATIC_STRUCT_RETURN
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