5 * Copyright (c) 1997 Andreas Mohr
12 #include "wine/winbase16.h"
15 #include "selectors.h"
18 /***********************************************************************
19 * Get16DLLAddress (KERNEL32)
21 * This function is used by a Win32s DLL if it wants to call a Win16 function.
22 * A 16:16 segmented pointer to the function is returned.
23 * Written without any docu.
25 SEGPTR WINAPI Get16DLLAddress(HMODULE handle, LPSTR func_name) {
26 HANDLE ThunkHeap = HeapCreate(HEAP_WINE_SEGPTR | HEAP_WINE_CODESEG, 0, 64);
28 LPVOID tmpheap = HeapAlloc(ThunkHeap, 0, 32);
29 SEGPTR thunk = HEAP_GetSegptr(ThunkHeap, 0, tmpheap);
33 if (!handle) handle=GetModuleHandle16("WIN32S16");
34 proc_16 = (DWORD)WIN32_GetProcAddress16(handle, func_name);
36 x=PTR_SEG_TO_LIN(thunk);
37 *x++=0xba; *(DWORD*)x=proc_16;x+=4; /* movl proc_16, $edx */
38 *x++=0xea; *(DWORD*)x=(DWORD)GetProcAddress(GetModuleHandleA("KERNEL32"),"QT_Thunk");x+=4; /* jmpl QT_Thunk */
39 GET_CS(cs); *(WORD*)x=(WORD)cs;