541 lines
16 KiB
C
541 lines
16 KiB
C
/*
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* Win32 WOW Generic Thunk API
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*
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* Copyright 1999 Ulrich Weigand
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include "wine/winbase16.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "wownt32.h"
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#include "winternl.h"
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#include "file.h"
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#include "task.h"
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#include "miscemu.h"
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#include "stackframe.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(thunk);
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/*
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* These are the 16-bit side WOW routines. They reside in wownt16.h
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* in the SDK; since we don't support Win16 source code anyway, I've
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* placed them here for compilation with Wine ...
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*/
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DWORD WINAPI GetVDMPointer32W16(SEGPTR,UINT16);
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DWORD WINAPI LoadLibraryEx32W16(LPCSTR,DWORD,DWORD);
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DWORD WINAPI GetProcAddress32W16(DWORD,LPCSTR);
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DWORD WINAPI FreeLibrary32W16(DWORD);
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#define CPEX_DEST_STDCALL 0x00000000L
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#define CPEX_DEST_CDECL 0x80000000L
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DWORD WINAPI CallProcExW16(VOID);
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DWORD WINAPI CallProcEx32W16(VOID);
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/*
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* 32-bit WOW routines (in WOW32, but actually forwarded to KERNEL32)
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*/
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/**********************************************************************
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* K32WOWGetDescriptor (KERNEL32.70)
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*/
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BOOL WINAPI K32WOWGetDescriptor( SEGPTR segptr, LPLDT_ENTRY ldtent )
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{
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return GetThreadSelectorEntry( GetCurrentThread(),
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segptr >> 16, ldtent );
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}
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/**********************************************************************
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* K32WOWGetVDMPointer (KERNEL32.56)
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*/
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LPVOID WINAPI K32WOWGetVDMPointer( DWORD vp, DWORD dwBytes, BOOL fProtectedMode )
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{
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/* FIXME: add size check too */
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if ( fProtectedMode )
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return MapSL( vp );
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else
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return DOSMEM_MapRealToLinear( vp );
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}
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/**********************************************************************
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* K32WOWGetVDMPointerFix (KERNEL32.68)
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*/
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LPVOID WINAPI K32WOWGetVDMPointerFix( DWORD vp, DWORD dwBytes, BOOL fProtectedMode )
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{
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/*
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* Hmmm. According to the docu, we should call:
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*
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* GlobalFix16( SELECTOROF(vp) );
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*
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* But this is unnecessary under Wine, as we never move global
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* memory segments in linear memory anyway.
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*
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* (I'm not so sure what we are *supposed* to do if
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* fProtectedMode is TRUE, anyway ...)
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*/
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return K32WOWGetVDMPointer( vp, dwBytes, fProtectedMode );
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}
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/**********************************************************************
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* K32WOWGetVDMPointerUnfix (KERNEL32.69)
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*/
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VOID WINAPI K32WOWGetVDMPointerUnfix( DWORD vp )
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{
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/*
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* See above why we don't call:
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*
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* GlobalUnfix16( SELECTOROF(vp) );
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*
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*/
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}
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/**********************************************************************
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* K32WOWGlobalAlloc16 (KERNEL32.59)
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*/
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WORD WINAPI K32WOWGlobalAlloc16( WORD wFlags, DWORD cb )
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{
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return (WORD)GlobalAlloc16( wFlags, cb );
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}
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/**********************************************************************
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* K32WOWGlobalFree16 (KERNEL32.62)
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*/
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WORD WINAPI K32WOWGlobalFree16( WORD hMem )
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{
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return (WORD)GlobalFree16( (HGLOBAL16)hMem );
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}
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/**********************************************************************
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* K32WOWGlobalUnlock16 (KERNEL32.61)
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*/
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BOOL WINAPI K32WOWGlobalUnlock16( WORD hMem )
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{
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return (BOOL)GlobalUnlock16( (HGLOBAL16)hMem );
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}
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/**********************************************************************
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* K32WOWGlobalAllocLock16 (KERNEL32.63)
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*/
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DWORD WINAPI K32WOWGlobalAllocLock16( WORD wFlags, DWORD cb, WORD *phMem )
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{
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WORD hMem = K32WOWGlobalAlloc16( wFlags, cb );
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if (phMem) *phMem = hMem;
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return K32WOWGlobalLock16( hMem );
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}
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/**********************************************************************
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* K32WOWGlobalLockSize16 (KERNEL32.65)
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*/
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DWORD WINAPI K32WOWGlobalLockSize16( WORD hMem, PDWORD pcb )
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{
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if ( pcb )
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*pcb = GlobalSize16( (HGLOBAL16)hMem );
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return K32WOWGlobalLock16( hMem );
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}
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/**********************************************************************
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* K32WOWGlobalUnlockFree16 (KERNEL32.64)
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*/
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WORD WINAPI K32WOWGlobalUnlockFree16( DWORD vpMem )
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{
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if ( !K32WOWGlobalUnlock16( HIWORD(vpMem) ) )
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return FALSE;
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return K32WOWGlobalFree16( HIWORD(vpMem) );
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}
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/**********************************************************************
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* K32WOWYield16 (KERNEL32.66)
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*/
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VOID WINAPI K32WOWYield16( void )
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{
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/*
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* This does the right thing for both Win16 and Win32 tasks.
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* More or less, at least :-/
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*/
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Yield16();
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}
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/**********************************************************************
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* K32WOWDirectedYield16 (KERNEL32.67)
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*/
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VOID WINAPI K32WOWDirectedYield16( WORD htask16 )
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{
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/*
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* Argh. Our scheduler doesn't like DirectedYield by Win32
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* tasks at all. So we do hope that this routine is indeed
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* only ever called by Win16 tasks that have thunked up ...
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*/
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DirectedYield16( (HTASK16)htask16 );
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}
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/***********************************************************************
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* K32WOWHandle32 (KERNEL32.57)
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*/
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HANDLE WINAPI K32WOWHandle32( WORD handle, WOW_HANDLE_TYPE type )
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{
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switch ( type )
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{
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case WOW_TYPE_HWND:
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case WOW_TYPE_HMENU:
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case WOW_TYPE_HDWP:
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case WOW_TYPE_HDROP:
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case WOW_TYPE_HDC:
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case WOW_TYPE_HFONT:
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case WOW_TYPE_HRGN:
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case WOW_TYPE_HBITMAP:
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case WOW_TYPE_HBRUSH:
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case WOW_TYPE_HPALETTE:
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case WOW_TYPE_HPEN:
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case WOW_TYPE_HACCEL:
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return (HANDLE)(ULONG_PTR)handle;
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case WOW_TYPE_HMETAFILE:
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FIXME( "conversion of metafile handles not supported yet\n" );
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return (HANDLE)(ULONG_PTR)handle;
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case WOW_TYPE_HTASK:
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return (HANDLE)TASK_GetPtr(handle)->teb->tid;
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case WOW_TYPE_FULLHWND:
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FIXME( "conversion of full window handles not supported yet\n" );
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return (HANDLE)(ULONG_PTR)handle;
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default:
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ERR( "handle 0x%04x of unknown type %d\n", handle, type );
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return (HANDLE)(ULONG_PTR)handle;
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}
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}
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/***********************************************************************
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* K32WOWHandle16 (KERNEL32.58)
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*/
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WORD WINAPI K32WOWHandle16( HANDLE handle, WOW_HANDLE_TYPE type )
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{
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if ( HIWORD(handle ) )
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ERR( "handle %p of type %d has non-zero HIWORD\n", handle, type );
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switch ( type )
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{
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case WOW_TYPE_HWND:
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case WOW_TYPE_HMENU:
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case WOW_TYPE_HDWP:
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case WOW_TYPE_HDROP:
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case WOW_TYPE_HDC:
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case WOW_TYPE_HFONT:
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case WOW_TYPE_HRGN:
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case WOW_TYPE_HBITMAP:
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case WOW_TYPE_HBRUSH:
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case WOW_TYPE_HPALETTE:
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case WOW_TYPE_HPEN:
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case WOW_TYPE_HACCEL:
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case WOW_TYPE_FULLHWND:
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return LOWORD(handle);
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case WOW_TYPE_HMETAFILE:
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FIXME( "conversion of metafile handles not supported yet\n" );
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return LOWORD(handle);
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case WOW_TYPE_HTASK:
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return THREAD_IdToTEB((DWORD)handle)->htask16;
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default:
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ERR( "handle %p of unknown type %d\n", handle, type );
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return LOWORD(handle);
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}
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}
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/**********************************************************************
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* K32WOWCallback16Ex (KERNEL32.55)
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*/
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BOOL WINAPI K32WOWCallback16Ex( DWORD vpfn16, DWORD dwFlags,
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DWORD cbArgs, LPVOID pArgs, LPDWORD pdwRetCode )
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{
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DWORD ret;
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/*
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* Arguments must be prepared in the correct order by the caller
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* (both for PASCAL and CDECL calling convention), so we simply
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* copy them to the 16-bit stack ...
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*/
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memcpy( (LPBYTE)CURRENT_STACK16 - cbArgs, (LPBYTE)pArgs, cbArgs );
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/*
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* Actually, we should take care whether the called routine cleans up
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* its stack or not. Fortunately, our wine_call_to_16 core doesn't rely on
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* the callee to do so; after the routine has returned, the 16-bit
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* stack pointer is always reset to the position it had before.
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*/
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ret = wine_call_to_16( (FARPROC16)vpfn16, cbArgs );
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if ( pdwRetCode )
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*pdwRetCode = ret;
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return TRUE; /* success */
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}
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/**********************************************************************
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* K32WOWCallback16 (KERNEL32.54)
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*/
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DWORD WINAPI K32WOWCallback16( DWORD vpfn16, DWORD dwParam )
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{
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DWORD ret;
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if ( !K32WOWCallback16Ex( vpfn16, WCB16_PASCAL,
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sizeof(DWORD), &dwParam, &ret ) )
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ret = 0L;
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return ret;
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}
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/*
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* 16-bit WOW routines (in KERNEL)
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*/
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/**********************************************************************
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* GetVDMPointer32W (KERNEL.516)
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*/
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DWORD WINAPI GetVDMPointer32W16( SEGPTR vp, UINT16 fMode )
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{
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GlobalPageLock16(GlobalHandle16(SELECTOROF(vp)));
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return (DWORD)K32WOWGetVDMPointer( vp, 0, (DWORD)fMode );
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}
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/***********************************************************************
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* LoadLibraryEx32W (KERNEL.513)
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*/
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DWORD WINAPI LoadLibraryEx32W16( LPCSTR lpszLibFile, DWORD hFile, DWORD dwFlags )
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{
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HMODULE hModule;
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DOS_FULL_NAME full_name;
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DWORD mutex_count;
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UNICODE_STRING libfileW;
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LPCWSTR filenameW;
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static const WCHAR dllW[] = {'.','D','L','L',0};
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if (!lpszLibFile)
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{
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SetLastError(ERROR_INVALID_PARAMETER);
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return 0;
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}
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if (!RtlCreateUnicodeStringFromAsciiz(&libfileW, lpszLibFile))
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{
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SetLastError(ERROR_NOT_ENOUGH_MEMORY);
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return 0;
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}
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/* if the file can not be found, call LoadLibraryExA anyway, since it might be
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a buildin module. This case is handled in MODULE_LoadLibraryExA */
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filenameW = libfileW.Buffer;
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if ( DIR_SearchPath( NULL, filenameW, dllW, &full_name, FALSE ) )
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filenameW = full_name.short_name;
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ReleaseThunkLock( &mutex_count );
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hModule = LoadLibraryExW( filenameW, (HANDLE)hFile, dwFlags );
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RestoreThunkLock( mutex_count );
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RtlFreeUnicodeString(&libfileW);
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return (DWORD)hModule;
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}
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/***********************************************************************
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* GetProcAddress32W (KERNEL.515)
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*/
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DWORD WINAPI GetProcAddress32W16( DWORD hModule, LPCSTR lpszProc )
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{
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return (DWORD)GetProcAddress( (HMODULE)hModule, lpszProc );
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}
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/***********************************************************************
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* FreeLibrary32W (KERNEL.514)
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*/
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DWORD WINAPI FreeLibrary32W16( DWORD hLibModule )
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{
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BOOL retv;
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DWORD mutex_count;
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ReleaseThunkLock( &mutex_count );
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retv = FreeLibrary( (HMODULE)hLibModule );
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RestoreThunkLock( mutex_count );
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return (DWORD)retv;
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}
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/**********************************************************************
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* WOW_CallProc32W
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*/
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static DWORD WOW_CallProc32W16( BOOL Ex )
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{
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DWORD nrofargs, argconvmask;
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FARPROC proc32;
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DWORD *args, ret;
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DWORD mutex_count;
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VA_LIST16 valist;
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int i;
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int aix;
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ReleaseThunkLock( &mutex_count );
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VA_START16( valist );
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nrofargs = VA_ARG16( valist, DWORD );
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argconvmask = VA_ARG16( valist, DWORD );
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proc32 = VA_ARG16( valist, FARPROC );
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TRACE("(%ld,%ld,%p, Ex%d args[",nrofargs,argconvmask,proc32,Ex);
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args = (DWORD*)HeapAlloc( GetProcessHeap(), 0, sizeof(DWORD)*nrofargs );
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if(args == NULL) proc32 = NULL; /* maybe we should WARN here? */
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/* CallProcEx doesn't need its args reversed */
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for (i=0;i<nrofargs;i++) {
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if (Ex) {
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aix = i;
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} else {
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aix = nrofargs - i - 1;
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}
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if (argconvmask & (1<<i))
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{
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SEGPTR ptr = VA_ARG16( valist, SEGPTR );
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if (args) args[aix] = (DWORD)MapSL(ptr);
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if (TRACE_ON(thunk)) DPRINTF("%08lx(%p),",ptr,MapSL(ptr));
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}
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else
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{
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DWORD arg = VA_ARG16( valist, DWORD );
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if (args) args[aix] = arg;
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if (TRACE_ON(thunk)) DPRINTF("%ld,", arg);
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}
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}
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if (TRACE_ON(thunk)) DPRINTF("])\n");
|
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VA_END16( valist );
|
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|
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/*
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* FIXME: If ( nrofargs & CPEX_DEST_CDECL ) != 0, we should call a
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* 32-bit CDECL routine ...
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*/
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if (!proc32) ret = 0;
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else switch (nrofargs)
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{
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case 0: ret = proc32();
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break;
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case 1: ret = proc32(args[0]);
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break;
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case 2: ret = proc32(args[0],args[1]);
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break;
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case 3: ret = proc32(args[0],args[1],args[2]);
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break;
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case 4: ret = proc32(args[0],args[1],args[2],args[3]);
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break;
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case 5: ret = proc32(args[0],args[1],args[2],args[3],args[4]);
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break;
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case 6: ret = proc32(args[0],args[1],args[2],args[3],args[4],args[5]);
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break;
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case 7: ret = proc32(args[0],args[1],args[2],args[3],args[4],args[5],args[6]);
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break;
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case 8: ret = proc32(args[0],args[1],args[2],args[3],args[4],args[5],args[6],args[7]);
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break;
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case 9: ret = proc32(args[0],args[1],args[2],args[3],args[4],args[5],args[6],args[7],args[8]);
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break;
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case 10:ret = proc32(args[0],args[1],args[2],args[3],args[4],args[5],args[6],args[7],args[8],args[9]);
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break;
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case 11:ret = proc32(args[0],args[1],args[2],args[3],args[4],args[5],args[6],args[7],args[8],args[9],args[10]);
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break;
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case 12:ret = proc32(args[0],args[1],args[2],args[3],args[4],args[5],args[6],args[7],args[8],args[9],args[10],args[11]);
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break;
|
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case 13:ret = proc32(args[0],args[1],args[2],args[3],args[4],args[5],args[6],args[7],args[8],args[9],args[10],args[11],args[12]);
|
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break;
|
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default:
|
|
/* FIXME: should go up to 32 arguments */
|
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ERR("Unsupported number of arguments %ld, please report.\n",nrofargs);
|
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ret = 0;
|
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break;
|
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}
|
|
|
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/* POP nrofargs DWORD arguments and 3 DWORD parameters */
|
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if (!Ex) stack16_pop( (3 + nrofargs) * sizeof(DWORD) );
|
|
|
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TRACE("returns %08lx\n",ret);
|
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HeapFree( GetProcessHeap(), 0, args );
|
|
|
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RestoreThunkLock( mutex_count );
|
|
return ret;
|
|
}
|
|
|
|
/**********************************************************************
|
|
* CallProc32W (KERNEL.517)
|
|
*
|
|
* DWORD PASCAL CallProc32W( DWORD p1, ... , DWORD lpProcAddress,
|
|
* DWORD fAddressConvert, DWORD cParams );
|
|
*/
|
|
DWORD WINAPI CallProc32W16( void )
|
|
{
|
|
return WOW_CallProc32W16( FALSE );
|
|
}
|
|
|
|
/**********************************************************************
|
|
* _CallProcEx32W (KERNEL.518)
|
|
*
|
|
* DWORD CallProcEx32W( DWORD cParams, DWORD fAddressConvert,
|
|
* DWORD lpProcAddress, DWORD p1, ... );
|
|
*/
|
|
DWORD WINAPI CallProcEx32W16( void )
|
|
{
|
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return WOW_CallProc32W16( TRUE );
|
|
}
|
|
|
|
|
|
/**********************************************************************
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* WOW16Call (KERNEL.500)
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*
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* FIXME!!!
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*
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*/
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DWORD WINAPI WOW16Call(WORD x,WORD y,WORD z)
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{
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int i;
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DWORD calladdr;
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VA_LIST16 args;
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FIXME("(0x%04x,0x%04x,%d),calling (",x,y,z);
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VA_START16(args);
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for (i=0;i<x/2;i++) {
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WORD a = VA_ARG16(args,WORD);
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DPRINTF("%04x ",a);
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}
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calladdr = VA_ARG16(args,DWORD);
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VA_END16(args);
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stack16_pop( x + sizeof(DWORD) );
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DPRINTF(") calling address was 0x%08lx\n",calladdr);
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return 0;
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}
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