| /* Definitions of target machine for GNU compiler. Vxworks m68k version. |
| Copyright (C) 1994, 1996, 1997, 1998 Free Software Foundation, Inc. |
| |
| This file is part of GNU CC. |
| |
| GNU CC is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU CC is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU CC; see the file COPYING. If not, write to |
| the Free Software Foundation, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| /* This comment is here to see if it will keep Sun's cpp from dying. */ |
| |
| #include "m68k/m68k-none.h" |
| #include "aoutos.h" |
| |
| #undef CPP_PREDEFINES |
| #define CPP_PREDEFINES "-Dmc68000 -D__vxworks -D__vxworks_5 -Acpu(m68k) -Amachine(m68k)" |
| |
| /* The default value for -DCPU=. */ |
| #if TARGET_CPU_DEFAULT == M68K_CPU_m68k || TARGET_CPU_DEFAULT == M68K_CPU_m68020 |
| #define CPP_SUBTARGET_CPU_DEFAULT_SPEC "-DCPU=MC68020" |
| #else |
| #if TARGET_CPU_DEFAULT == M68K_CPU_m68000 |
| #define CPP_SUBTARGET_CPU_DEFAULT_SPEC "-DCPU=MC68000" |
| #else |
| #if TARGET_CPU_DEFAULT == M68K_CPU_m68030 |
| #define CPP_SUBTARGET_CPU_DEFAULT_SPEC "-DCPU=MC68030" |
| #else |
| #if TARGET_CPU_DEFAULT == M68K_CPU_m68040 |
| #define CPP_SUBTARGET_CPU_DEFAULT_SPEC "-DCPU=MC68040" |
| #else |
| #if TARGET_CPU_DEFAULT == M68K_CPU_m68302 |
| #define CPP_SUBTARGET_CPU_DEFAULT_SPEC "-DCPU=MC68302" |
| #else |
| #if TARGET_CPU_DEFAULT == M68K_CPU_m68332 |
| #define CPP_SUBTARGET_CPU_DEFAULT_SPEC "-DCPU=MC68332" |
| #else |
| Unrecognized value in TARGET_CPU_DEFAULT. |
| #endif |
| #endif |
| #endif |
| #endif |
| #endif |
| #endif |
| |
| #undef SUBTARGET_EXTRA_SPECS |
| #define SUBTARGET_EXTRA_SPECS \ |
| { "cpp_subtarget_cpu_default", CPP_SUBTARGET_CPU_DEFAULT_SPEC } |
| |
| /* Vxworks header files require that the macro CPU be set. */ |
| /* ??? The previous code didn't set CPU if -ansi. */ |
| #undef CPP_SUBTARGET_SPEC |
| #define CPP_SUBTARGET_SPEC "\ |
| %{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 } \ |
| %{!mc68000:%{!m68000:%{!m68010:%{!mc68020:%{!m68020:%{!m68030:%{!m68040:%{!m68020-40:%{!m68302:%{!m68332:%(cpp_subtarget_cpu_default) }}}}}}}}}} \ |
| " |
| |
| #define DBX_DEBUGGING_INFO |
| #undef SDB_DEBUGGING_INFO |
| |
| /* These are the official values from WRS. */ |
| #undef WCHAR_TYPE |
| #define WCHAR_TYPE "char" |
| #undef WCHAR_TYPE_SIZE |
| #define WCHAR_TYPE_SIZE 8 |
| #undef PTRDIFF_TYPE |
| #define PTRDIFF_TYPE "long int" |
| #undef SIZE_TYPE |
| #define SIZE_TYPE "unsigned int" |
| |
| /* VxWorks does all the library stuff itself. */ |
| |
| #define LIB_SPEC "" |
| |
| /* Provide required defaults for linker. */ |
| |
| #define LINK_SPEC "-r" |
| |
| /* VxWorks provides the functionality of crt0.o and friends itself. */ |
| |
| #define STARTFILE_SPEC "" |
| |
| /* Every structure or union's size must be a multiple of 2 bytes. */ |
| |
| #define STRUCTURE_SIZE_BOUNDARY 16 |
| |
| /* Allow folding division by zero. */ |
| #define REAL_INFINITY |
| |
| /* GCC is the primary compiler for VxWorks, so we don't need this. */ |
| #undef PCC_STATIC_STRUCT_RETURN |
| |
| /* Restrict use of 128 bit floating-point by default since VxWorks doesn't |
| have the proper accuracy routines for that size; this is not done because |
| the hardware doesn't support it, despite the name. */ |
| #define WIDEST_HARDWARE_FP_SIZE 64 |
