107 lines
2.9 KiB
C
107 lines
2.9 KiB
C
/****************************************************************************
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*
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* Open Watcom Project
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*
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* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*
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* ========================================================================
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*
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* This file contains Original Code and/or Modifications of Original
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* Code as defined in and that are subject to the Sybase Open Watcom
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* Public License version 1.0 (the 'License'). You may not use this file
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* except in compliance with the License. BY USING THIS FILE YOU AGREE TO
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* ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
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* provided with the Original Code and Modifications, and is also
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* available at www.sybase.com/developer/opensource.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
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* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
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* NON-INFRINGEMENT. Please see the License for the specific language
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* governing rights and limitations under the License.
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*
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* ========================================================================
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*
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* Description: Special interface for calls to non-Watcom routines from
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* inside clib (x86 specific).
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*
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****************************************************************************/
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#ifndef EXTFUNC_H_INCLUDED
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#define EXTFUNC_H_INCLUDED
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#include "variety.h"
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#if defined(_M_IX86)
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#if !defined(__WINDOWS__)
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#if defined(__BIG_DATA__)
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#define __DS ds
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#endif
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#endif
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#if !defined(__FLAT__)
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#define __ES es
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#endif
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#if defined(__386__)
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#if defined(__WINDOWS__) || !defined(__FLAT__)
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#define __FS fs
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#endif
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#define __GS gs
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#if defined(__SW_3S)
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#define __AX eax
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#define __BX ebx
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#define __CX ecx
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#define __DX edx
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#endif
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#endif
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#ifndef __AX
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#define __AX
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#endif
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#ifndef __BX
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#define __BX
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#endif
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#ifndef __CX
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#define __CX
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#endif
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#ifndef __DX
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#define __DX
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#endif
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#ifndef __DS
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#define __DS
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#endif
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#ifndef __ES
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#define __ES
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#endif
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#ifndef __FS
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#define __FS
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#endif
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#ifndef __GS
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#define __GS
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#endif
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#pragma aux __outside_CLIB modify [__AX __BX __CX __DX __DS __ES __FS __GS];
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/*
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use as follows:
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typedef void vfv( void );
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#pragma aux (__outside_CLIB) __vfv;
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*/
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#undef __AX
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#undef __BX
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#undef __CX
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#undef __DX
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#undef __DS
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#undef __ES
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#undef __FS
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#undef __GS
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#endif
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#endif
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