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| 1 | ; $Id: libCallThruCallGate.asm,v 1.1 2001-02-21 07:47:57 bird Exp $
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| 2 | ;
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| 3 | ; Calls Win32k thru the call gate.
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| 4 | ;
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| 5 | ; Copyright (c) 2001 knut st. osmundsen (knut.stange.osmundsen@pmsc.no)
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| 6 | ;
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| 7 | ; Project Odin Software License can be found in LICENSE.TXT
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| 8 | ;
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| 9 | .386p
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| 10 |
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| 11 | ;
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| 12 | ; Exported symbols
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| 13 | ;
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| 14 | public libCallThruCallGate
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| 15 | public _usCGSelector
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| 16 |
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| 17 |
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| 18 | DATA32 segment
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| 19 | f48CallGate:
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| 20 | ulOffset dd 0
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| 21 | _usCGSelector dw 0
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| 22 | DATA32 ends
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| 23 |
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| 24 |
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| 25 | CODE32 segment
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| 26 | assume CS:CODE32, DS:FLAT, SS:NOTHING
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| 27 | ;;
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| 28 | ;
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| 29 | ; @cproto APIRET APIENTRY libWin32kCallThruCallGate(ULONG ulFunction, PVOID pvParam);
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| 30 | ; @returns CS value.
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| 31 | ; @author knut st. osmundsen (knut.stange.osmundsen@pmsc.no)
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| 32 | libCallThruCallGate proc near
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| 33 | ASSUME ds:FLAT, ss:FLAT
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| 34 | push dword ptr [esp+08h]
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| 35 | push dword ptr [esp+08h]
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| 36 | call fword ptr ds:[ulOffset]
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| 37 | add esp, 8
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| 38 | ret
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| 39 | libCallThruCallGate endp
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| 40 |
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| 41 | CODE32 ends
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| 42 | end
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