basic/source/runtime/wnt-mingw.s

   1 #*************************************************************************
   2 #
   3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4 #
   5 # Copyright 2008 by Sun Microsystems, Inc.
   6 #
   7 # OpenOffice.org - a multi-platform office productivity suite
   8 #
   9 # $RCSfile: wnt.asm,v $
  10 #
  11 # $Revision: 1.4 $
  12 #
  13 # This file is part of OpenOffice.org.
  14 #
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  16 # it under the terms of the GNU Lesser General Public License version 3
  17 # only, as published by the Free Software Foundation.
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  20 # but WITHOUT ANY WARRANTY# without even the implied warranty of
  21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 # GNU Lesser General Public License version 3 for more details
  23 # (a copy is included in the LICENSE file that accompanied this code).
  24 #
  25 # You should have received a copy of the GNU Lesser General Public License
  26 # version 3 along with OpenOffice.org.  If not, see
  27 # <http://www.openoffice.org/license.html>
  28 # for a copy of the LGPLv3 License.
  29 #
  30 #*************************************************************************
  31
  32 #    Anmerkungen
  33 #        Direktaufruf von C- und PASCAL-Routinen, Windows und OS/2
  34 #
  35 # Inhalt:
  36 # type = CallXXX (far *pProc, char *pStack, short nStack)
  37 #
  38 # Kopie des Basic-Stacks (nStack Bytes) auf den C-Stack
  39 # und Aufruf der Prozedur.
  40
  41                 .intel_syntax
  42                 #.386
  43
  44 #_TEXT          SEGMENT DWORD PUBLIC 'CODE' USE32
  45
  46                 #ASSUME         CS:_TEXT
  47
  48 .globl          _CallINT
  49 .globl          _CallLNG
  50 .globl          _CallDBL
  51 .globl          _CallSTR
  52 .globl          _CallFIX
  53
  54 _CallINT:
  55 _CallLNG:
  56 _CallDBL:
  57 _CallSTR:
  58
  59 _CallFIX:       PUSH    EBP
  60                 MOV     EBP,ESP
  61                 PUSH    ESI
  62                 PUSH    EDI
  63
  64                 PUSH    ECX
  65                 PUSH    EDX
  66
  67                 MOV     DX,DS
  68                 MOVZX   EAX,WORD PTR [EBP+16] # EAX == nStack
  69                 SUB     ESP,EAX       # Stack um nStack Bytes vergroessern
  70                 MOV     EDI,ESP
  71                 MOV     AX,SS
  72                 MOV     ES,AX         # ES:EDI = Startadresse des fuer
  73                                       # Parameter reservierten Stackbereichs
  74                 MOV     ESI,[EBP+12]  # DS:ESI == pStack
  75
  76                 MOVZX   ECX,WORD PTR [EBP+16] # ECX == nStack
  77                 SHR     ECX,1
  78                 CLD
  79                 JCXZ    $1
  80         REP     MOVSW                 # Stack uebernehmen
  81 $1:             MOV     DS,DX
  82                 CALL    DWORD PTR [EBP+8]       # Aufruf der Prozedur
  83                 # CLI # unter NT nicht erlaubt (privileged instruction)
  84                 MOV     ESP,EBP
  85                 SUB     ESP,16        # wegen gepushter Register
  86                                       # (ESI, EDI)
  87                 # STI
  88                 POP     EDX
  89                 POP     ECX
  90                 POP     EDI
  91                 POP     ESI
  92                 POP     EBP
  93                 RET     12
  94
  95 #_TEXT          ENDS
  96
  97                 #END