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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
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