reactos/win32ss/user/user32/windows/wndproc_fixup.S

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS user32.dll
* FILE: win32ss/user/user32/windows/wndproc_fixup.S
* PURPOSE: Messages
* PROGRAMMER: Jérôme Gardou jerome.gardou@reactos.org
* LICENCE : LGPL, copyright Alexandre Julliard
*/
#include <asm.inc>
#include <ks386.inc>
/* Some applications provide invalid callbacks which don't follow the stdcall convention */
.code
/*
* LRESULT
* __cdecl
* CALL_EXTERN_WNDPROC(
* WNDPROC WndProc,
* HWND hWnd,
* UINT Msg,
* WPARAM wParam,
* LPARAM lParam);
*/
PUBLIC _CALL_EXTERN_WNDPROC
FUNC _CALL_EXTERN_WNDPROC
FPO 0, 0, 0, 0, 0, FRAME_FPO
push ebp
mov ebp, esp
push edi
push esi
push ebx
sub esp, 12
push dword ptr [ebp + 24]
push dword ptr [ebp + 20]
push dword ptr [ebp + 16]
push dword ptr [ebp + 12]
mov eax, dword ptr [ebp + 8]
call eax
lea esp, dword ptr [ebp - 12]
pop ebx
pop esi
pop edi
leave
ret
ENDFUNC
END