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+;*************************************************************************
+;
+; DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+;
+; Copyright 2008 by Sun Microsystems, Inc.
+;
+; OpenOffice.org - a multi-platform office productivity suite
+;
+; $RCSfile: wnt.asm,v $
+;
+; $Revision: 1.4 $
+;
+; This file is part of OpenOffice.org.
+;
+; OpenOffice.org is free software: you can redistribute it and/or modify
+; it under the terms of the GNU Lesser General Public License version 3
+; only, as published by the Free Software Foundation.
+;
+; OpenOffice.org 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 Lesser General Public License version 3 for more details
+; (a copy is included in the LICENSE file that accompanied this code).
+;
+; You should have received a copy of the GNU Lesser General Public License
+; version 3 along with OpenOffice.org. If not, see
+; <http://www.openoffice.org/license.html>
+; for a copy of the LGPLv3 License.
+;
+;*************************************************************************
+
+; Anmerkungen
+; Direktaufruf von C- und PASCAL-Routinen, Windows und OS/2
+;
+; Inhalt:
+; type = CallXXX (far *pProc, char *pStack, short nStack)
+;
+; Kopie des Basic-Stacks (nStack Bytes) auf den C-Stack
+; und Aufruf der Prozedur.
+
+ .386
+
+_TEXT SEGMENT DWORD PUBLIC 'CODE' USE32
+
+ ASSUME CS:_TEXT
+
+ PUBLIC _CallINT@12
+ PUBLIC _CallLNG@12
+ PUBLIC _CallDBL@12
+ PUBLIC _CallSTR@12
+ PUBLIC _CallFIX@12
+
+_CallINT@12 LABEL byte
+_CallLNG@12 LABEL byte
+_CallDBL@12 LABEL byte
+_CallSTR@12 LABEL byte
+
+_CallFIX@12: PUSH EBP
+ MOV EBP,ESP
+ PUSH ESI
+ PUSH EDI
+
+ PUSH ECX
+ PUSH EDX
+
+ MOV DX,DS
+ MOVZX EAX,WORD PTR [EBP+16] ; EAX == nStack
+ SUB ESP,EAX ; Stack um nStack Bytes vergroessern
+ MOV EDI,ESP
+ MOV AX,SS
+ MOV ES,AX ; ES:EDI = Startadresse des fuer
+ ; Parameter reservierten Stackbereichs
+ MOV ESI,[EBP+12] ; DS:ESI == pStack
+
+ MOVZX ECX,WORD PTR [EBP+16] ; ECX == nStack
+ SHR ECX,1
+ CLD
+ JCXZ $1
+ REP MOVSW ; Stack uebernehmen
+$1: MOV DS,DX
+ CALL DWORD PTR [EBP+8] ; Aufruf der Prozedur
+ ; CLI ; unter NT nicht erlaubt (privileged instruction)
+ MOV ESP,EBP
+ SUB ESP,16 ; wegen gepushter Register
+ ; (ESI, EDI)
+ ; STI
+ POP EDX
+ POP ECX
+ POP EDI
+ POP ESI
+ POP EBP
+ RET 12
+
+_TEXT ENDS
+
+ END