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#*************************************************************************
#
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# Copyright 2000, 2010 Oracle and/or its affiliates.
#
# OpenOffice.org - a multi-platform office productivity suite
#
# 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.
.intel_syntax
#.386
#_TEXT SEGMENT DWORD PUBLIC 'CODE' USE32
#ASSUME CS:_TEXT
.globl _CallINT
.globl _CallLNG
.globl _CallDBL
.globl _CallSTR
.globl _CallFIX
_CallINT:
_CallLNG:
_CallDBL:
_CallSTR:
_CallFIX: 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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