/* * Modules * * Copyright 1995 Alexandre Julliard */ #include #include #include #include #include #include #include "wine/winuser16.h" #include "wine/winbase16.h" #include "windef.h" #include "winerror.h" #include "file.h" #include "global.h" #include "heap.h" #include "module.h" #include "neexe.h" #include "pe_image.h" #include "dosexe.h" #include "process.h" #include "thread.h" #include "selectors.h" #include "stackframe.h" #include "task.h" #include "debugtools.h" #include "callback.h" #include "loadorder.h" #include "elfdll.h" DECLARE_DEBUG_CHANNEL(module) DECLARE_DEBUG_CHANNEL(win32) /************************************************************************* * MODULE_WalkModref * Walk MODREFs for input process ID */ void MODULE_WalkModref( DWORD id ) { int i; WINE_MODREF *zwm, *prev = NULL; PDB *pdb = PROCESS_IdToPDB( id ); if (!pdb) { MESSAGE("Invalid process id (pid)\n"); return; } MESSAGE("Modref list for process pdb=%p\n", pdb); MESSAGE("Modref next prev handle deps flags name\n"); for ( zwm = pdb->modref_list; zwm; zwm = zwm->next) { MESSAGE("%p %p %p %04x %5d %04x %s\n", zwm, zwm->next, zwm->prev, zwm->module, zwm->nDeps, zwm->flags, zwm->modname); for ( i = 0; i < zwm->nDeps; i++ ) { if ( zwm->deps[i] ) MESSAGE(" %d %p %s\n", i, zwm->deps[i], zwm->deps[i]->modname); } if (prev != zwm->prev) MESSAGE(" --> modref corrupt, previous pointer wrong!!\n"); prev = zwm; } } /************************************************************************* * MODULE32_LookupHMODULE * looks for the referenced HMODULE in the current process */ WINE_MODREF *MODULE32_LookupHMODULE( HMODULE hmod ) { WINE_MODREF *wm; if (!hmod) return PROCESS_Current()->exe_modref; if (!HIWORD(hmod)) { ERR_(module)("tried to lookup 0x%04x in win32 module handler!\n",hmod); return NULL; } for ( wm = PROCESS_Current()->modref_list; wm; wm=wm->next ) if (wm->module == hmod) return wm; return NULL; } /************************************************************************* * MODULE_InitDll */ static BOOL MODULE_InitDll( WINE_MODREF *wm, DWORD type, LPVOID lpReserved ) { BOOL retv = TRUE; static LPCSTR typeName[] = { "PROCESS_DETACH", "PROCESS_ATTACH", "THREAD_ATTACH", "THREAD_DETACH" }; assert( wm ); /* Skip calls for modules loaded with special load flags */ if ( ( wm->flags & WINE_MODREF_DONT_RESOLVE_REFS ) || ( wm->flags & WINE_MODREF_LOAD_AS_DATAFILE ) ) return TRUE; TRACE_(module)("(%s,%s,%p) - CALL\n", wm->modname, typeName[type], lpReserved ); /* Call the initialization routine */ switch ( wm->type ) { case MODULE32_PE: retv = PE_InitDLL( wm, type, lpReserved ); break; case MODULE32_ELF: /* no need to do that, dlopen() already does */ break; default: ERR_(module)("wine_modref type %d not handled.\n", wm->type ); retv = FALSE; break; } TRACE_(module)("(%s,%s,%p) - RETURN %d\n", wm->modname, typeName[type], lpReserved, retv ); return retv; } /************************************************************************* * MODULE_DllProcessAttach * * Send the process attach notification to all DLLs the given module * depends on (recursively). This is somewhat complicated due to the fact that * * - we have to respect the module dependencies, i.e. modules implicitly * referenced by another module have to be initialized before the module * itself can be initialized * * - the initialization routine of a DLL can itself call LoadLibrary, * thereby introducing a whole new set of dependencies (even involving * the 'old' modules) at any time during the whole process * * (Note that this routine can be recursively entered not only directly * from itself, but also via LoadLibrary from one of the called initialization * routines.) * * Furthermore, we need to rearrange the main WINE_MODREF list to allow * the process *detach* notifications to be sent in the correct order. * This must not only take into account module dependencies, but also * 'hidden' dependencies created by modules calling LoadLibrary in their * attach notification routine. * * The strategy is rather simple: we move a WINE_MODREF to the head of the * list after the attach notification has returned. This implies that the * detach notifications are called in the reverse of the sequence the attach * notifications *returned*. * * NOTE: Assumes that the process critical section is held! * */ BOOL MODULE_DllProcessAttach( WINE_MODREF *wm, LPVOID lpReserved ) { BOOL retv = TRUE; int i; assert( wm ); /* prevent infinite recursion in case of cyclical dependencies */ if ( ( wm->flags & WINE_MODREF_MARKER ) || ( wm->flags & WINE_MODREF_PROCESS_ATTACHED ) ) return retv; TRACE_(module)("(%s,%p) - START\n", wm->modname, lpReserved ); /* Tag current MODREF to prevent recursive loop */ wm->flags |= WINE_MODREF_MARKER; /* Recursively attach all DLLs this one depends on */ for ( i = 0; retv && i < wm->nDeps; i++ ) if ( wm->deps[i] ) retv = MODULE_DllProcessAttach( wm->deps[i], lpReserved ); /* Call DLL entry point */ if ( retv ) { retv = MODULE_InitDll( wm, DLL_PROCESS_ATTACH, lpReserved ); if ( retv ) wm->flags |= WINE_MODREF_PROCESS_ATTACHED; } /* Re-insert MODREF at head of list */ if ( retv && wm->prev ) { wm->prev->next = wm->next; if ( wm->next ) wm->next->prev = wm->prev; wm->prev = NULL; wm->next = PROCESS_Current()->modref_list; PROCESS_Current()->modref_list = wm->next->prev = wm; } /* Remove recursion flag */ wm->flags &= ~WINE_MODREF_MARKER; TRACE_(module)("(%s,%p) - END\n", wm->modname, lpReserved ); return retv; } /************************************************************************* * MODULE_DllProcessDetach * * Send DLL process detach notifications. See the comment about calling * sequence at MODULE_DllProcessAttach. Unless the bForceDetach flag * is set, only DLLs with zero refcount are notified. * * NOTE: Assumes that the process critical section is held! * */ void MODULE_DllProcessDetach( BOOL bForceDetach, LPVOID lpReserved ) { WINE_MODREF *wm; do { for ( wm = PROCESS_Current()->modref_list; wm; wm = wm->next ) { /* Check whether to detach this DLL */ if ( !(wm->flags & WINE_MODREF_PROCESS_ATTACHED) ) continue; if ( wm->refCount > 0 && !bForceDetach ) continue; /* Call detach notification */ wm->flags &= ~WINE_MODREF_PROCESS_ATTACHED; MODULE_InitDll( wm, DLL_PROCESS_DETACH, lpReserved ); /* Restart at head of WINE_MODREF list, as entries might have been added and/or removed while performing the call ... */ break; } } while ( wm ); } /************************************************************************* * MODULE_DllThreadAttach * * Send DLL thread attach notifications. These are sent in the * reverse sequence of process detach notification. * */ void MODULE_DllThreadAttach( LPVOID lpReserved ) { WINE_MODREF *wm; EnterCriticalSection( &PROCESS_Current()->crit_section ); for ( wm = PROCESS_Current()->modref_list; wm; wm = wm->next ) if ( !wm->next ) break; for ( ; wm; wm = wm->prev ) { if ( !(wm->flags & WINE_MODREF_PROCESS_ATTACHED) ) continue; if ( wm->flags & WINE_MODREF_NO_DLL_CALLS ) continue; MODULE_InitDll( wm, DLL_THREAD_ATTACH, lpReserved ); } LeaveCriticalSection( &PROCESS_Current()->crit_section ); } /************************************************************************* * MODULE_DllThreadDetach * * Send DLL thread detach notifications. These are sent in the * same sequence as process detach notification. * */ void MODULE_DllThreadDetach( LPVOID lpReserved ) { WINE_MODREF *wm; EnterCriticalSection( &PROCESS_Current()->crit_section ); for ( wm = PROCESS_Current()->modref_list; wm; wm = wm->next ) { if ( !(wm->flags & WINE_MODREF_PROCESS_ATTACHED) ) continue; if ( wm->flags & WINE_MODREF_NO_DLL_CALLS ) continue; MODULE_InitDll( wm, DLL_THREAD_DETACH, lpReserved ); } LeaveCriticalSection( &PROCESS_Current()->crit_section ); } /**************************************************************************** * DisableThreadLibraryCalls (KERNEL32.74) * * Don't call DllEntryPoint for DLL_THREAD_{ATTACH,DETACH} if set. */ BOOL WINAPI DisableThreadLibraryCalls( HMODULE hModule ) { WINE_MODREF *wm; BOOL retval = TRUE; EnterCriticalSection( &PROCESS_Current()->crit_section ); wm = MODULE32_LookupHMODULE( hModule ); if ( !wm ) retval = FALSE; else wm->flags |= WINE_MODREF_NO_DLL_CALLS; LeaveCriticalSection( &PROCESS_Current()->crit_section ); return retval; } /*********************************************************************** * MODULE_CreateDummyModule * * Create a dummy NE module for Win32 or Winelib. */ HMODULE MODULE_CreateDummyModule( const OFSTRUCT *ofs, LPCSTR modName ) { HMODULE hModule; NE_MODULE *pModule; SEGTABLEENTRY *pSegment; char *pStr,*s; int len; const char* basename; INT of_size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName) + strlen(ofs->szPathName) + 1; INT size = sizeof(NE_MODULE) + /* loaded file info */ of_size + /* segment table: DS,CS */ 2 * sizeof(SEGTABLEENTRY) + /* name table */ 9 + /* several empty tables */ 8; hModule = GlobalAlloc16( GMEM_MOVEABLE | GMEM_ZEROINIT, size ); if (!hModule) return (HMODULE)11; /* invalid exe */ FarSetOwner16( hModule, hModule ); pModule = (NE_MODULE *)GlobalLock16( hModule ); /* Set all used entries */ pModule->magic = IMAGE_OS2_SIGNATURE; pModule->count = 1; pModule->next = 0; pModule->flags = 0; pModule->dgroup = 0; pModule->ss = 1; pModule->cs = 2; pModule->heap_size = 0; pModule->stack_size = 0; pModule->seg_count = 2; pModule->modref_count = 0; pModule->nrname_size = 0; pModule->fileinfo = sizeof(NE_MODULE); pModule->os_flags = NE_OSFLAGS_WINDOWS; pModule->expected_version = 0x030a; pModule->self = hModule; /* Set loaded file information */ memcpy( pModule + 1, ofs, of_size ); ((OFSTRUCT *)(pModule+1))->cBytes = of_size - 1; pSegment = (SEGTABLEENTRY*)((char*)(pModule + 1) + of_size); pModule->seg_table = (int)pSegment - (int)pModule; /* Data segment */ pSegment->size = 0; pSegment->flags = NE_SEGFLAGS_DATA; pSegment->minsize = 0x1000; pSegment++; /* Code segment */ pSegment->flags = 0; pSegment++; /* Module name */ pStr = (char *)pSegment; pModule->name_table = (int)pStr - (int)pModule; if ( modName ) basename = modName; else { basename = strrchr(ofs->szPathName,'\\'); if (!basename) basename = ofs->szPathName; else basename++; } len = strlen(basename); if ((s = strchr(basename,'.'))) len = s - basename; if (len > 8) len = 8; *pStr = len; strncpy( pStr+1, basename, len ); if (len < 8) pStr[len+1] = 0; pStr += 9; /* All tables zero terminated */ pModule->res_table = pModule->import_table = pModule->entry_table = (int)pStr - (int)pModule; NE_RegisterModule( pModule ); return hModule; } /*********************************************************************** * MODULE_GetWndProcEntry16 (not a Windows API function) * * Return an entry point from the WPROCS dll. */ FARPROC16 MODULE_GetWndProcEntry16( LPCSTR name ) { FARPROC16 ret = NULL; if (__winelib) { /* FIXME: hack for Winelib */ extern LRESULT ColorDlgProc16(HWND16,UINT16,WPARAM16,LPARAM); extern LRESULT FileOpenDlgProc16(HWND16,UINT16,WPARAM16,LPARAM); extern LRESULT FileSaveDlgProc16(HWND16,UINT16,WPARAM16,LPARAM); extern LRESULT FindTextDlgProc16(HWND16,UINT16,WPARAM16,LPARAM); extern LRESULT PrintDlgProc16(HWND16,UINT16,WPARAM16,LPARAM); extern LRESULT PrintSetupDlgProc16(HWND16,UINT16,WPARAM16,LPARAM); extern LRESULT ReplaceTextDlgProc16(HWND16,UINT16,WPARAM16,LPARAM); if (!strcmp(name,"ColorDlgProc")) return (FARPROC16)ColorDlgProc16; if (!strcmp(name,"FileOpenDlgProc")) return (FARPROC16)FileOpenDlgProc16; if (!strcmp(name,"FileSaveDlgProc")) return (FARPROC16)FileSaveDlgProc16; if (!strcmp(name,"FindTextDlgProc")) return (FARPROC16)FindTextDlgProc16; if (!strcmp(name,"PrintDlgProc")) return (FARPROC16)PrintDlgProc16; if (!strcmp(name,"PrintSetupDlgProc")) return (FARPROC16)PrintSetupDlgProc16; if (!strcmp(name,"ReplaceTextDlgProc")) return (FARPROC16)ReplaceTextDlgProc16; FIXME_(module)("No mapping for %s(), add one in library/miscstubs.c\n",name); assert( FALSE ); return NULL; } else { WORD ordinal; static HMODULE hModule = 0; if (!hModule) hModule = GetModuleHandle16( "WPROCS" ); ordinal = NE_GetOrdinal( hModule, name ); if (!(ret = NE_GetEntryPoint( hModule, ordinal ))) { WARN_(module)("%s not found\n", name ); assert( FALSE ); } } return ret; } /********************************************************************** * MODULE_FindModule32 * * Find a (loaded) win32 module depending on path * The handling of '.' is a bit weird, but we need it that way, * for sometimes the programs use '.exe' and '.dll' and * this is the only way to differentiate. (mainly hypertrm.exe) * * RETURNS * the module handle if found * 0 if not */ WINE_MODREF *MODULE_FindModule( LPCSTR path /* [in] pathname of module/library to be found */ ) { LPSTR filename; LPSTR dotptr; WINE_MODREF *wm; if (!(filename = strrchr( path, '\\' ))) filename = HEAP_strdupA( GetProcessHeap(), 0, path ); else filename = HEAP_strdupA( GetProcessHeap(), 0, filename+1 ); dotptr=strrchr(filename,'.'); for ( wm = PROCESS_Current()->modref_list; wm; wm=wm->next ) { LPSTR xmodname,xdotptr; assert (wm->modname); xmodname = HEAP_strdupA( GetProcessHeap(), 0, wm->modname ); xdotptr=strrchr(xmodname,'.'); if ( (xdotptr && !dotptr) || (!xdotptr && dotptr) ) { if (dotptr) *dotptr = '\0'; if (xdotptr) *xdotptr = '\0'; } if (!strcasecmp( filename, xmodname)) { HeapFree( GetProcessHeap(), 0, filename ); HeapFree( GetProcessHeap(), 0, xmodname ); return wm; } if (dotptr) *dotptr='.'; /* FIXME: add paths, shortname */ HeapFree( GetProcessHeap(), 0, xmodname ); } /* if that fails, try looking for the filename... */ for ( wm = PROCESS_Current()->modref_list; wm; wm=wm->next ) { LPSTR xlname,xdotptr; assert (wm->longname); xlname = strrchr(wm->longname,'\\'); if (!xlname) xlname = wm->longname; else xlname++; xlname = HEAP_strdupA( GetProcessHeap(), 0, xlname ); xdotptr=strrchr(xlname,'.'); if ( (xdotptr && !dotptr) || (!xdotptr && dotptr) ) { if (dotptr) *dotptr = '\0'; if (xdotptr) *xdotptr = '\0'; } if (!strcasecmp( filename, xlname)) { HeapFree( GetProcessHeap(), 0, filename ); HeapFree( GetProcessHeap(), 0, xlname ); return wm; } if (dotptr) *dotptr='.'; /* FIXME: add paths, shortname */ HeapFree( GetProcessHeap(), 0, xlname ); } HeapFree( GetProcessHeap(), 0, filename ); return NULL; } /*********************************************************************** * MODULE_GetBinaryType * * The GetBinaryType function determines whether a file is executable * or not and if it is it returns what type of executable it is. * The type of executable is a property that determines in which * subsystem an executable file runs under. * * Binary types returned: * SCS_32BIT_BINARY: A Win32 based application * SCS_DOS_BINARY: An MS-Dos based application * SCS_WOW_BINARY: A Win16 based application * SCS_PIF_BINARY: A PIF file that executes an MS-Dos based app * SCS_POSIX_BINARY: A POSIX based application ( Not implemented ) * SCS_OS216_BINARY: A 16bit OS/2 based application * * Returns TRUE if the file is an executable in which case * the value pointed by lpBinaryType is set. * Returns FALSE if the file is not an executable or if the function fails. * * To do so it opens the file and reads in the header information * if the extended header information is not presend it will * assume that that the file is a DOS executable. * If the extended header information is present it will * determine if the file is an 16 or 32 bit Windows executable * by check the flags in the header. * * Note that .COM and .PIF files are only recognized by their * file name extension; but Windows does it the same way ... */ static BOOL MODULE_GetBinaryType( HFILE hfile, OFSTRUCT *ofs, LPDWORD lpBinaryType ) { IMAGE_DOS_HEADER mz_header; char magic[4], *ptr; /* Seek to the start of the file and read the DOS header information. */ if ( _llseek( hfile, 0, SEEK_SET ) >= 0 && _lread( hfile, &mz_header, sizeof(mz_header) ) == sizeof(mz_header) ) { /* Now that we have the header check the e_magic field * to see if this is a dos image. */ if ( mz_header.e_magic == IMAGE_DOS_SIGNATURE ) { BOOL lfanewValid = FALSE; /* We do have a DOS image so we will now try to seek into * the file by the amount indicated by the field * "Offset to extended header" and read in the * "magic" field information at that location. * This will tell us if there is more header information * to read or not. */ /* But before we do we will make sure that header * structure encompasses the "Offset to extended header" * field. */ if ( (mz_header.e_cparhdr<<4) >= sizeof(IMAGE_DOS_HEADER) ) if ( ( mz_header.e_crlc == 0 && mz_header.e_lfarlc == 0 ) || ( mz_header.e_lfarlc >= sizeof(IMAGE_DOS_HEADER) ) ) if ( mz_header.e_lfanew >= sizeof(IMAGE_DOS_HEADER) && _llseek( hfile, mz_header.e_lfanew, SEEK_SET ) >= 0 && _lread( hfile, magic, sizeof(magic) ) == sizeof(magic) ) lfanewValid = TRUE; if ( !lfanewValid ) { /* If we cannot read this "extended header" we will * assume that we have a simple DOS executable. */ *lpBinaryType = SCS_DOS_BINARY; return TRUE; } else { /* Reading the magic field succeeded so * we will try to determine what type it is. */ if ( *(DWORD*)magic == IMAGE_NT_SIGNATURE ) { /* This is an NT signature. */ *lpBinaryType = SCS_32BIT_BINARY; return TRUE; } else if ( *(WORD*)magic == IMAGE_OS2_SIGNATURE ) { /* The IMAGE_OS2_SIGNATURE indicates that the * "extended header is a Windows executable (NE) * header." This can mean either a 16-bit OS/2 * or a 16-bit Windows or even a DOS program * (running under a DOS extender). To decide * which, we'll have to read the NE header. */ IMAGE_OS2_HEADER ne; if ( _llseek( hfile, mz_header.e_lfanew, SEEK_SET ) >= 0 && _lread( hfile, &ne, sizeof(ne) ) == sizeof(ne) ) { switch ( ne.operating_system ) { case 2: *lpBinaryType = SCS_WOW_BINARY; return TRUE; case 5: *lpBinaryType = SCS_DOS_BINARY; return TRUE; default: *lpBinaryType = SCS_OS216_BINARY; return TRUE; } } /* Couldn't read header, so abort. */ return FALSE; } else { /* Unknown extended header, so abort. */ return FALSE; } } } } /* If we get here, we don't even have a correct MZ header. * Try to check the file extension for known types ... */ ptr = strrchr( ofs->szPathName, '.' ); if ( ptr && !strchr( ptr, '\\' ) && !strchr( ptr, '/' ) ) { if ( !lstrcmpiA( ptr, ".COM" ) ) { *lpBinaryType = SCS_DOS_BINARY; return TRUE; } if ( !lstrcmpiA( ptr, ".PIF" ) ) { *lpBinaryType = SCS_PIF_BINARY; return TRUE; } } return FALSE; } /*********************************************************************** * GetBinaryTypeA [KERNEL32.280] */ BOOL WINAPI GetBinaryTypeA( LPCSTR lpApplicationName, LPDWORD lpBinaryType ) { BOOL ret = FALSE; HFILE hfile; OFSTRUCT ofs; TRACE_(win32)("%s\n", lpApplicationName ); /* Sanity check. */ if ( lpApplicationName == NULL || lpBinaryType == NULL ) return FALSE; /* Open the file indicated by lpApplicationName for reading. */ if ( (hfile = OpenFile( lpApplicationName, &ofs, OF_READ )) == HFILE_ERROR ) return FALSE; /* Check binary type */ ret = MODULE_GetBinaryType( hfile, &ofs, lpBinaryType ); /* Close the file. */ CloseHandle( hfile ); return ret; } /*********************************************************************** * GetBinaryTypeW [KERNEL32.281] */ BOOL WINAPI GetBinaryTypeW( LPCWSTR lpApplicationName, LPDWORD lpBinaryType ) { BOOL ret = FALSE; LPSTR strNew = NULL; TRACE_(win32)("%s\n", debugstr_w(lpApplicationName) ); /* Sanity check. */ if ( lpApplicationName == NULL || lpBinaryType == NULL ) return FALSE; /* Convert the wide string to a ascii string. */ strNew = HEAP_strdupWtoA( GetProcessHeap(), 0, lpApplicationName ); if ( strNew != NULL ) { ret = GetBinaryTypeA( strNew, lpBinaryType ); /* Free the allocated string. */ HeapFree( GetProcessHeap(), 0, strNew ); } return ret; } /********************************************************************** * MODULE_CreateUnixProcess */ static BOOL MODULE_CreateUnixProcess( LPCSTR filename, LPCSTR lpCmdLine, LPSTARTUPINFOA lpStartupInfo, LPPROCESS_INFORMATION lpProcessInfo, BOOL useWine ) { DOS_FULL_NAME full_name; const char *unixfilename = filename; const char *argv[256], **argptr; BOOL iconic = FALSE; /* Get Unix file name and iconic flag */ if ( lpStartupInfo->dwFlags & STARTF_USESHOWWINDOW ) if ( lpStartupInfo->wShowWindow == SW_SHOWMINIMIZED || lpStartupInfo->wShowWindow == SW_SHOWMINNOACTIVE ) iconic = TRUE; /* Build argument list */ argptr = argv; if ( !useWine ) { char *p = strdup(lpCmdLine); if ( strchr(filename, '/') || strchr(filename, ':') || strchr(filename, '\\') ) { if ( DOSFS_GetFullName( filename, TRUE, &full_name ) ) unixfilename = full_name.long_name; } *argptr++ = unixfilename; if (iconic) *argptr++ = "-iconic"; while (1) { while (*p && (*p == ' ' || *p == '\t')) *p++ = '\0'; if (!*p) break; *argptr++ = p; while (*p && *p != ' ' && *p != '\t') p++; } free (p); } else { *argptr++ = "wine"; if (iconic) *argptr++ = "-iconic"; *argptr++ = lpCmdLine; } *argptr++ = 0; /* Fork and execute */ if ( !fork() ) { /* Note: don't use Wine routines here, as this process has not been correctly initialized! */ execvp( argv[0], (char**)argv ); /* Failed ! */ if ( useWine ) fprintf( stderr, "CreateProcess: can't exec 'wine %s'\n", lpCmdLine ); exit( 1 ); } /* Fake success return value */ memset( lpProcessInfo, '\0', sizeof( *lpProcessInfo ) ); lpProcessInfo->hProcess = INVALID_HANDLE_VALUE; lpProcessInfo->hThread = INVALID_HANDLE_VALUE; SetLastError( ERROR_SUCCESS ); return TRUE; } /*********************************************************************** * WinExec16 (KERNEL.166) */ HINSTANCE16 WINAPI WinExec16( LPCSTR lpCmdLine, UINT16 nCmdShow ) { HINSTANCE16 hInst; SYSLEVEL_ReleaseWin16Lock(); hInst = WinExec( lpCmdLine, nCmdShow ); SYSLEVEL_RestoreWin16Lock(); return hInst; } /*********************************************************************** * WinExec (KERNEL32.566) */ HINSTANCE WINAPI WinExec( LPCSTR lpCmdLine, UINT nCmdShow ) { LOADPARAMS params; UINT16 paramCmdShow[2]; if (!lpCmdLine) return 2; /* File not found */ /* Set up LOADPARAMS buffer for LoadModule */ memset( ¶ms, '\0', sizeof(params) ); params.lpCmdLine = (LPSTR)lpCmdLine; params.lpCmdShow = paramCmdShow; params.lpCmdShow[0] = 2; params.lpCmdShow[1] = nCmdShow; /* Now load the executable file */ return LoadModule( NULL, ¶ms ); } /********************************************************************** * LoadModule (KERNEL32.499) */ HINSTANCE WINAPI LoadModule( LPCSTR name, LPVOID paramBlock ) { LOADPARAMS *params = (LOADPARAMS *)paramBlock; PROCESS_INFORMATION info; STARTUPINFOA startup; HINSTANCE hInstance; PDB *pdb; TDB *tdb; memset( &startup, '\0', sizeof(startup) ); startup.cb = sizeof(startup); startup.dwFlags = STARTF_USESHOWWINDOW; startup.wShowWindow = params->lpCmdShow? params->lpCmdShow[1] : 0; if ( !CreateProcessA( name, params->lpCmdLine, NULL, NULL, FALSE, 0, params->lpEnvAddress, NULL, &startup, &info ) ) { hInstance = GetLastError(); if ( hInstance < 32 ) return hInstance; FIXME_(module)("Strange error set by CreateProcess: %d\n", hInstance ); return 11; } /* Get 16-bit hInstance/hTask from process */ pdb = PROCESS_IdToPDB( info.dwProcessId ); tdb = pdb? (TDB *)GlobalLock16( pdb->task ) : NULL; hInstance = tdb && tdb->hInstance? tdb->hInstance : pdb? pdb->task : 0; /* If there is no hInstance (32-bit process) return a dummy value * that must be > 31 * FIXME: should do this in all cases and fix Win16 callers */ if (!hInstance) hInstance = 33; /* Close off the handles */ CloseHandle( info.hThread ); CloseHandle( info.hProcess ); return hInstance; } /************************************************************************* * get_makename_token * * Get next blank delimited token from input string. If quoted then * process till matching quote and then till blank. * * Returns number of characters in token (not including \0). On * end of string (EOS), returns a 0. * * from (IO) address of start of input string to scan, updated to * next non-processed character. * to (IO) address of start of output string (previous token \0 * char), updated to end of new output string (the \0 * char). */ static int get_makename_token(LPCSTR *from, LPSTR *to ) { int len = 0; LPCSTR to_old = *to; /* only used for tracing */ while ( **from == ' ') { /* Copy leading blanks (separators between previous */ /* token and this token). */ **to = **from; (*from)++; (*to)++; len++; } do { while ( (**from != 0) && (**from != ' ') && (**from != '"') ) { **to = **from; (*from)++; (*to)++; len++; } if ( **from == '"' ) { /* Handle quoted string. */ (*from)++; if ( !strchr(*from, '"') ) { /* fail - no closing quote. Return entire string */ while ( **from != 0 ) { **to = **from; (*from)++; (*to)++; len++; } break; } while( **from != '"') { **to = **from; len++; (*to)++; (*from)++; } (*from)++; continue; } /* either EOS or ' ' */ break; } while (1); **to = 0; /* terminate output string */ TRACE_(module)("returning token len=%d, string=%s\n", len, to_old); return len; } /************************************************************************* * make_lpCommandLine_name * * Try longer and longer strings from "line" to find an existing * file name. Each attempt is delimited by a blank outside of quotes. * Also will attempt to append ".exe" if requested and not already * present. Returns the address of the remaining portion of the * input line. * */ static BOOL make_lpCommandLine_name( LPCSTR line, LPSTR name, int namelen, LPCSTR *after ) { BOOL found = TRUE; LPCSTR from; char buffer[260]; DWORD retlen; LPSTR to, lastpart; from = line; to = name; /* scan over initial blanks if any */ while ( *from == ' ') from++; /* get a token and append to previous data the check for existance */ do { if ( !get_makename_token( &from, &to ) ) { /* EOS has occured and not found - exit */ retlen = 0; found = FALSE; break; } TRACE_(module)("checking if file exists '%s'\n", name); retlen = SearchPathA( NULL, name, ".exe", sizeof(buffer), buffer, &lastpart); if ( retlen && (retlen < sizeof(buffer)) ) break; } while (1); /* if we have a non-null full path name in buffer then move to output */ if ( retlen ) { if ( strlen(buffer) <= namelen ) { strcpy( name, buffer ); } else { /* not enough space to return full path string */ FIXME_(module)("internal string not long enough, need %d\n", strlen(buffer) ); } } /* all done, indicate end of module name and then trace and exit */ if (after) *after = from; TRACE_(module)("%i, selected file name '%s'\n and cmdline as %s\n", found, name, debugstr_a(from)); return found; } /************************************************************************* * make_lpApplicationName_name * * Scan input string (the lpApplicationName) and remove any quotes * if they are balanced. * */ static BOOL make_lpApplicationName_name( LPCSTR line, LPSTR name, int namelen) { LPCSTR from; LPSTR to, to_end, to_old; DOS_FULL_NAME full_name; to = name; to_end = to + namelen - 1; to_old = to; while ( *line == ' ' ) line++; /* point to beginning of string */ from = line; do { /* Copy all input till end, or quote */ while((*from != 0) && (*from != '"') && (to < to_end)) *to++ = *from++; if (to >= to_end) { *to = 0; break; } if (*from == '"') { /* Handle quoted string. If there is a closing quote, copy all */ /* that is inside. */ from++; if (!strchr(from, '"')) { /* fail - no closing quote */ to = to_old; /* restore to previous attempt */ *to = 0; /* end string */ break; /* exit with previous attempt */ } while((*from != '"') && (to < to_end)) *to++ = *from++; if (to >= to_end) { *to = 0; break; } from++; continue; /* past quoted string, so restart from top */ } *to = 0; /* terminate output string */ to_old = to; /* save for possible use in unmatched quote case */ /* loop around keeping the blank as part of file name */ if (!*from) break; /* exit if out of input string */ } while (1); if (!DOSFS_GetFullName(name, TRUE, &full_name)) { TRACE_(module)("file not found '%s'\n", name ); return FALSE; } if (strlen(full_name.long_name) >= namelen ) { FIXME_(module)("name longer than buffer (len=%d), file=%s\n", namelen, full_name.long_name); return FALSE; } strcpy(name, full_name.long_name); TRACE_(module)("selected as file name '%s'\n", name ); return TRUE; } /********************************************************************** * CreateProcessA (KERNEL32.171) */ BOOL WINAPI CreateProcessA( LPCSTR lpApplicationName, LPSTR lpCommandLine, LPSECURITY_ATTRIBUTES lpProcessAttributes, LPSECURITY_ATTRIBUTES lpThreadAttributes, BOOL bInheritHandles, DWORD dwCreationFlags, LPVOID lpEnvironment, LPCSTR lpCurrentDirectory, LPSTARTUPINFOA lpStartupInfo, LPPROCESS_INFORMATION lpProcessInfo ) { BOOL retv = FALSE; BOOL found_file = FALSE; HFILE hFile; OFSTRUCT ofs; DWORD type; char name[256], dummy[256]; LPCSTR cmdline = NULL; LPSTR tidy_cmdline; int len = 0; /* Get name and command line */ if (!lpApplicationName && !lpCommandLine) { SetLastError( ERROR_FILE_NOT_FOUND ); return FALSE; } /* Process the AppName and/or CmdLine to get module name and path */ name[0] = '\0'; if (lpApplicationName) { found_file = make_lpApplicationName_name( lpApplicationName, name, sizeof(name) ); if (lpCommandLine) { make_lpCommandLine_name( lpCommandLine, dummy, sizeof ( dummy ), &cmdline ); } else { cmdline = lpApplicationName; } len += strlen(lpApplicationName); } else { found_file = make_lpCommandLine_name( lpCommandLine, name, sizeof ( name ), &cmdline ); if (lpCommandLine) len = strlen(lpCommandLine); } if ( !found_file ) { /* make an early exit if file not found - save second pass */ SetLastError( ERROR_FILE_NOT_FOUND ); return FALSE; } len += strlen(name) + 2; tidy_cmdline = HeapAlloc( GetProcessHeap(), 0, len ); sprintf( tidy_cmdline, "\"%s\"%s", name, cmdline); /* Warn if unsupported features are used */ if (dwCreationFlags & CREATE_SUSPENDED) FIXME_(module)("(%s,...): CREATE_SUSPENDED ignored\n", name); if (dwCreationFlags & DETACHED_PROCESS) FIXME_(module)("(%s,...): DETACHED_PROCESS ignored\n", name); if (dwCreationFlags & CREATE_NEW_CONSOLE) FIXME_(module)("(%s,...): CREATE_NEW_CONSOLE ignored\n", name); if (dwCreationFlags & NORMAL_PRIORITY_CLASS) FIXME_(module)("(%s,...): NORMAL_PRIORITY_CLASS ignored\n", name); if (dwCreationFlags & IDLE_PRIORITY_CLASS) FIXME_(module)("(%s,...): IDLE_PRIORITY_CLASS ignored\n", name); if (dwCreationFlags & HIGH_PRIORITY_CLASS) FIXME_(module)("(%s,...): HIGH_PRIORITY_CLASS ignored\n", name); if (dwCreationFlags & REALTIME_PRIORITY_CLASS) FIXME_(module)("(%s,...): REALTIME_PRIORITY_CLASS ignored\n", name); if (dwCreationFlags & CREATE_NEW_PROCESS_GROUP) FIXME_(module)("(%s,...): CREATE_NEW_PROCESS_GROUP ignored\n", name); if (dwCreationFlags & CREATE_UNICODE_ENVIRONMENT) FIXME_(module)("(%s,...): CREATE_UNICODE_ENVIRONMENT ignored\n", name); if (dwCreationFlags & CREATE_SEPARATE_WOW_VDM) FIXME_(module)("(%s,...): CREATE_SEPARATE_WOW_VDM ignored\n", name); if (dwCreationFlags & CREATE_SHARED_WOW_VDM) FIXME_(module)("(%s,...): CREATE_SHARED_WOW_VDM ignored\n", name); if (dwCreationFlags & CREATE_DEFAULT_ERROR_MODE) FIXME_(module)("(%s,...): CREATE_DEFAULT_ERROR_MODE ignored\n", name); if (dwCreationFlags & CREATE_NO_WINDOW) FIXME_(module)("(%s,...): CREATE_NO_WINDOW ignored\n", name); if (dwCreationFlags & PROFILE_USER) FIXME_(module)("(%s,...): PROFILE_USER ignored\n", name); if (dwCreationFlags & PROFILE_KERNEL) FIXME_(module)("(%s,...): PROFILE_KERNEL ignored\n", name); if (dwCreationFlags & PROFILE_SERVER) FIXME_(module)("(%s,...): PROFILE_SERVER ignored\n", name); if (lpCurrentDirectory) FIXME_(module)("(%s,...): lpCurrentDirectory %s ignored\n", name, lpCurrentDirectory); if (lpStartupInfo->lpDesktop) FIXME_(module)("(%s,...): lpStartupInfo->lpDesktop %s ignored\n", name, lpStartupInfo->lpDesktop); if (lpStartupInfo->lpTitle) FIXME_(module)("(%s,...): lpStartupInfo->lpTitle %s ignored\n", name, lpStartupInfo->lpTitle); if (lpStartupInfo->dwFlags & STARTF_USECOUNTCHARS) FIXME_(module)("(%s,...): STARTF_USECOUNTCHARS (%ld,%ld) ignored\n", name, lpStartupInfo->dwXCountChars, lpStartupInfo->dwYCountChars); if (lpStartupInfo->dwFlags & STARTF_USEFILLATTRIBUTE) FIXME_(module)("(%s,...): STARTF_USEFILLATTRIBUTE %lx ignored\n", name, lpStartupInfo->dwFillAttribute); if (lpStartupInfo->dwFlags & STARTF_RUNFULLSCREEN) FIXME_(module)("(%s,...): STARTF_RUNFULLSCREEN ignored\n", name); if (lpStartupInfo->dwFlags & STARTF_FORCEONFEEDBACK) FIXME_(module)("(%s,...): STARTF_FORCEONFEEDBACK ignored\n", name); if (lpStartupInfo->dwFlags & STARTF_FORCEOFFFEEDBACK) FIXME_(module)("(%s,...): STARTF_FORCEOFFFEEDBACK ignored\n", name); if (lpStartupInfo->dwFlags & STARTF_USEHOTKEY) FIXME_(module)("(%s,...): STARTF_USEHOTKEY ignored\n", name); /* When in WineLib, always fork new Unix process */ if ( __winelib ) { retv = MODULE_CreateUnixProcess( name, tidy_cmdline, lpStartupInfo, lpProcessInfo, TRUE ); HeapFree( GetProcessHeap(), 0, tidy_cmdline ); return (retv); } /* Check for special case: second instance of NE module */ lstrcpynA( ofs.szPathName, name, sizeof( ofs.szPathName ) ); retv = NE_CreateProcess( HFILE_ERROR, &ofs, tidy_cmdline, lpEnvironment, lpProcessAttributes, lpThreadAttributes, bInheritHandles, dwCreationFlags, lpStartupInfo, lpProcessInfo ); /* Load file and create process */ if ( !retv ) { /* Open file and determine executable type */ if ( (hFile = OpenFile( name, &ofs, OF_READ )) == HFILE_ERROR ) { SetLastError( ERROR_FILE_NOT_FOUND ); HeapFree( GetProcessHeap(), 0, tidy_cmdline ); return FALSE; } if ( !MODULE_GetBinaryType( hFile, &ofs, &type ) ) { CloseHandle( hFile ); /* FIXME: Try Unix executable only when appropriate! */ if ( MODULE_CreateUnixProcess( name, tidy_cmdline, lpStartupInfo, lpProcessInfo, FALSE ) ) { HeapFree( GetProcessHeap(), 0, tidy_cmdline ); return TRUE; } HeapFree( GetProcessHeap(), 0, tidy_cmdline ); SetLastError( ERROR_BAD_FORMAT ); return FALSE; } /* Create process */ switch ( type ) { case SCS_32BIT_BINARY: retv = PE_CreateProcess( hFile, &ofs, tidy_cmdline, lpEnvironment, lpProcessAttributes, lpThreadAttributes, bInheritHandles, dwCreationFlags, lpStartupInfo, lpProcessInfo ); break; case SCS_DOS_BINARY: retv = MZ_CreateProcess( hFile, &ofs, tidy_cmdline, lpEnvironment, lpProcessAttributes, lpThreadAttributes, bInheritHandles, dwCreationFlags, lpStartupInfo, lpProcessInfo ); break; case SCS_WOW_BINARY: retv = NE_CreateProcess( hFile, &ofs, tidy_cmdline, lpEnvironment, lpProcessAttributes, lpThreadAttributes, bInheritHandles, dwCreationFlags, lpStartupInfo, lpProcessInfo ); break; case SCS_PIF_BINARY: case SCS_POSIX_BINARY: case SCS_OS216_BINARY: FIXME_(module)("Unsupported executable type: %ld\n", type ); /* fall through */ default: SetLastError( ERROR_BAD_FORMAT ); retv = FALSE; break; } CloseHandle( hFile ); } HeapFree( GetProcessHeap(), 0, tidy_cmdline ); return retv; } /********************************************************************** * CreateProcessW (KERNEL32.172) * NOTES * lpReserved is not converted */ BOOL WINAPI CreateProcessW( LPCWSTR lpApplicationName, LPWSTR lpCommandLine, LPSECURITY_ATTRIBUTES lpProcessAttributes, LPSECURITY_ATTRIBUTES lpThreadAttributes, BOOL bInheritHandles, DWORD dwCreationFlags, LPVOID lpEnvironment, LPCWSTR lpCurrentDirectory, LPSTARTUPINFOW lpStartupInfo, LPPROCESS_INFORMATION lpProcessInfo ) { BOOL ret; STARTUPINFOA StartupInfoA; LPSTR lpApplicationNameA = HEAP_strdupWtoA (GetProcessHeap(),0,lpApplicationName); LPSTR lpCommandLineA = HEAP_strdupWtoA (GetProcessHeap(),0,lpCommandLine); LPSTR lpCurrentDirectoryA = HEAP_strdupWtoA (GetProcessHeap(),0,lpCurrentDirectory); memcpy (&StartupInfoA, lpStartupInfo, sizeof(STARTUPINFOA)); StartupInfoA.lpDesktop = HEAP_strdupWtoA (GetProcessHeap(),0,lpStartupInfo->lpDesktop); StartupInfoA.lpTitle = HEAP_strdupWtoA (GetProcessHeap(),0,lpStartupInfo->lpTitle); TRACE_(win32)("(%s,%s,...)\n", debugstr_w(lpApplicationName), debugstr_w(lpCommandLine)); if (lpStartupInfo->lpReserved) FIXME_(win32)("StartupInfo.lpReserved is used, please report (%s)\n", debugstr_w(lpStartupInfo->lpReserved)); ret = CreateProcessA( lpApplicationNameA, lpCommandLineA, lpProcessAttributes, lpThreadAttributes, bInheritHandles, dwCreationFlags, lpEnvironment, lpCurrentDirectoryA, &StartupInfoA, lpProcessInfo ); HeapFree( GetProcessHeap(), 0, lpCurrentDirectoryA ); HeapFree( GetProcessHeap(), 0, lpCommandLineA ); HeapFree( GetProcessHeap(), 0, StartupInfoA.lpDesktop ); HeapFree( GetProcessHeap(), 0, StartupInfoA.lpTitle ); return ret; } /*********************************************************************** * GetModuleHandle (KERNEL32.237) */ HMODULE WINAPI GetModuleHandleA(LPCSTR module) { WINE_MODREF *wm; if ( module == NULL ) wm = PROCESS_Current()->exe_modref; else wm = MODULE_FindModule( module ); return wm? wm->module : 0; } HMODULE WINAPI GetModuleHandleW(LPCWSTR module) { HMODULE hModule; LPSTR modulea = HEAP_strdupWtoA( GetProcessHeap(), 0, module ); hModule = GetModuleHandleA( modulea ); HeapFree( GetProcessHeap(), 0, modulea ); return hModule; } /*********************************************************************** * GetModuleFileName32A (KERNEL32.235) */ DWORD WINAPI GetModuleFileNameA( HMODULE hModule, /* [in] module handle (32bit) */ LPSTR lpFileName, /* [out] filenamebuffer */ DWORD size /* [in] size of filenamebuffer */ ) { WINE_MODREF *wm = MODULE32_LookupHMODULE( hModule ); if (!wm) /* can happen on start up or the like */ return 0; if (PE_HEADER(wm->module)->OptionalHeader.MajorOperatingSystemVersion >= 4.0) lstrcpynA( lpFileName, wm->longname, size ); else lstrcpynA( lpFileName, wm->shortname, size ); TRACE_(module)("%s\n", lpFileName ); return strlen(lpFileName); } /*********************************************************************** * GetModuleFileName32W (KERNEL32.236) */ DWORD WINAPI GetModuleFileNameW( HMODULE hModule, LPWSTR lpFileName, DWORD size ) { LPSTR fnA = (char*)HeapAlloc( GetProcessHeap(), 0, size ); DWORD res = GetModuleFileNameA( hModule, fnA, size ); lstrcpynAtoW( lpFileName, fnA, size ); HeapFree( GetProcessHeap(), 0, fnA ); return res; } /*********************************************************************** * LoadLibraryEx32W (KERNEL.513) */ HMODULE WINAPI LoadLibraryEx32W16( LPCSTR libname, HANDLE16 hf, DWORD flags ) { HMODULE hModule; SYSLEVEL_ReleaseWin16Lock(); hModule = LoadLibraryExA( libname, hf, flags ); SYSLEVEL_RestoreWin16Lock(); return hModule; } /*********************************************************************** * LoadLibrary32_16 (KERNEL.452) */ HMODULE WINAPI LoadLibrary32_16( LPCSTR libname ) { return LoadLibraryEx32W16( libname, 0, 0 ); } /*********************************************************************** * LoadLibraryExA (KERNEL32) */ HMODULE WINAPI LoadLibraryExA(LPCSTR libname, HFILE hfile, DWORD flags) { WINE_MODREF *wm; if(!libname) { SetLastError(ERROR_INVALID_PARAMETER); return 0; } EnterCriticalSection(&PROCESS_Current()->crit_section); wm = MODULE_LoadLibraryExA( libname, hfile, flags ); if(wm && !MODULE_DllProcessAttach(wm, NULL)) { WARN_(module)("Attach failed for module '%s', \n", libname); MODULE_FreeLibrary(wm); SetLastError(ERROR_DLL_INIT_FAILED); wm = NULL; } LeaveCriticalSection(&PROCESS_Current()->crit_section); return wm ? wm->module : 0; } /*********************************************************************** * MODULE_LoadLibraryExA (internal) * * Load a PE style module according to the load order. * * The HFILE parameter is not used and marked reserved in the SDK. I can * only guess that it should force a file to be mapped, but I rather * ignore the parameter because it would be extremely difficult to * integrate this with different types of module represenations. * */ WINE_MODREF *MODULE_LoadLibraryExA( LPCSTR libname, HFILE hfile, DWORD flags ) { DWORD err; WINE_MODREF *pwm; int i; module_loadorder_t *plo; EnterCriticalSection(&PROCESS_Current()->crit_section); /* Check for already loaded module */ if((pwm = MODULE_FindModule(libname))) { if(!(pwm->flags & WINE_MODREF_MARKER)) pwm->refCount++; TRACE_(module)("Already loaded module '%s' at 0x%08x, count=%d, \n", libname, pwm->module, pwm->refCount); LeaveCriticalSection(&PROCESS_Current()->crit_section); return pwm; } plo = MODULE_GetLoadOrder(libname); for(i = 0; i < MODULE_LOADORDER_NTYPES; i++) { switch(plo->loadorder[i]) { case MODULE_LOADORDER_DLL: TRACE_(module)("Trying native dll '%s'\n", libname); pwm = PE_LoadLibraryExA(libname, flags, &err); break; case MODULE_LOADORDER_ELFDLL: TRACE_(module)("Trying elfdll '%s'\n", libname); pwm = ELFDLL_LoadLibraryExA(libname, flags, &err); break; case MODULE_LOADORDER_SO: TRACE_(module)("Trying so-library '%s'\n", libname); pwm = ELF_LoadLibraryExA(libname, flags, &err); break; case MODULE_LOADORDER_BI: TRACE_(module)("Trying built-in '%s'\n", libname); pwm = BUILTIN32_LoadLibraryExA(libname, flags, &err); break; default: ERR_(module)("Got invalid loadorder type %d (%s index %d)\n", plo->loadorder[i], plo->modulename, i); /* Fall through */ case MODULE_LOADORDER_INVALID: /* We ignore this as it is an empty entry */ pwm = NULL; break; } if(pwm) { /* Initialize DLL just loaded */ TRACE_(module)("Loaded module '%s' at 0x%08x, \n", libname, pwm->module); /* Set the refCount here so that an attach failure will */ /* decrement the dependencies through the MODULE_FreeLibrary call. */ pwm->refCount++; LeaveCriticalSection(&PROCESS_Current()->crit_section); if (PROCESS_Current()->flags & PDB32_DEBUGGED) DEBUG_SendLoadDLLEvent( -1 /*FIXME*/, pwm->module, pwm->modname ); return pwm; } if(err != ERROR_FILE_NOT_FOUND) break; } ERR_(module)("Failed to load module '%s'; error=0x%08lx, \n", libname, err); SetLastError(err); LeaveCriticalSection(&PROCESS_Current()->crit_section); return NULL; } /*********************************************************************** * LoadLibraryA (KERNEL32) */ HMODULE WINAPI LoadLibraryA(LPCSTR libname) { return LoadLibraryExA(libname,0,0); } /*********************************************************************** * LoadLibraryW (KERNEL32) */ HMODULE WINAPI LoadLibraryW(LPCWSTR libnameW) { return LoadLibraryExW(libnameW,0,0); } /*********************************************************************** * LoadLibraryExW (KERNEL32) */ HMODULE WINAPI LoadLibraryExW(LPCWSTR libnameW,HFILE hfile,DWORD flags) { LPSTR libnameA = HEAP_strdupWtoA( GetProcessHeap(), 0, libnameW ); HMODULE ret = LoadLibraryExA( libnameA , hfile, flags ); HeapFree( GetProcessHeap(), 0, libnameA ); return ret; } /*********************************************************************** * MODULE_FlushModrefs * * NOTE: Assumes that the process critical section is held! * * Remove all unused modrefs and call the internal unloading routines * for the library type. */ static void MODULE_FlushModrefs(void) { WINE_MODREF *wm, *next; for(wm = PROCESS_Current()->modref_list; wm; wm = next) { next = wm->next; if(wm->refCount) continue; /* Unlink this modref from the chain */ if(wm->next) wm->next->prev = wm->prev; if(wm->prev) wm->prev->next = wm->next; if(wm == PROCESS_Current()->modref_list) PROCESS_Current()->modref_list = wm->next; /* * The unloaders are also responsible for freeing the modref itself * because the loaders were responsible for allocating it. */ switch(wm->type) { case MODULE32_PE: PE_UnloadLibrary(wm); break; case MODULE32_ELF: ELF_UnloadLibrary(wm); break; case MODULE32_ELFDLL: ELFDLL_UnloadLibrary(wm); break; case MODULE32_BI: BUILTIN32_UnloadLibrary(wm); break; default: ERR_(module)("Invalid or unhandled MODREF type %d encountered (wm=%p)\n", wm->type, wm); } } } /*********************************************************************** * FreeLibrary */ BOOL WINAPI FreeLibrary(HINSTANCE hLibModule) { BOOL retv = FALSE; WINE_MODREF *wm; EnterCriticalSection( &PROCESS_Current()->crit_section ); PROCESS_Current()->free_lib_count++; wm = MODULE32_LookupHMODULE( hLibModule ); if ( !wm || !hLibModule ) SetLastError( ERROR_INVALID_HANDLE ); else retv = MODULE_FreeLibrary( wm ); PROCESS_Current()->free_lib_count--; LeaveCriticalSection( &PROCESS_Current()->crit_section ); return retv; } /*********************************************************************** * MODULE_DecRefCount * * NOTE: Assumes that the process critical section is held! */ static void MODULE_DecRefCount( WINE_MODREF *wm ) { int i; if ( wm->flags & WINE_MODREF_MARKER ) return; if ( wm->refCount <= 0 ) return; --wm->refCount; TRACE_(module)("(%s) refCount: %d\n", wm->modname, wm->refCount ); if ( wm->refCount == 0 ) { wm->flags |= WINE_MODREF_MARKER; for ( i = 0; i < wm->nDeps; i++ ) if ( wm->deps[i] ) MODULE_DecRefCount( wm->deps[i] ); wm->flags &= ~WINE_MODREF_MARKER; } } /*********************************************************************** * MODULE_FreeLibrary * * NOTE: Assumes that the process critical section is held! */ BOOL MODULE_FreeLibrary( WINE_MODREF *wm ) { TRACE_(module)("(%s) - START\n", wm->modname ); /* Recursively decrement reference counts */ MODULE_DecRefCount( wm ); /* Call process detach notifications */ if ( PROCESS_Current()->free_lib_count <= 1 ) { MODULE_DllProcessDetach( FALSE, NULL ); if (PROCESS_Current()->flags & PDB32_DEBUGGED) DEBUG_SendUnloadDLLEvent( wm->module ); } MODULE_FlushModrefs(); TRACE_(module)("(%s) - END\n", wm->modname ); return TRUE; } /*********************************************************************** * FreeLibraryAndExitThread */ VOID WINAPI FreeLibraryAndExitThread(HINSTANCE hLibModule, DWORD dwExitCode) { FreeLibrary(hLibModule); ExitThread(dwExitCode); } /*********************************************************************** * PrivateLoadLibrary (KERNEL32) * * FIXME: rough guesswork, don't know what "Private" means */ HINSTANCE WINAPI PrivateLoadLibrary(LPCSTR libname) { return (HINSTANCE)LoadLibrary16(libname); } /*********************************************************************** * PrivateFreeLibrary (KERNEL32) * * FIXME: rough guesswork, don't know what "Private" means */ void WINAPI PrivateFreeLibrary(HINSTANCE handle) { FreeLibrary16((HINSTANCE16)handle); } /*********************************************************************** * WIN32_GetProcAddress16 (KERNEL32.36) * Get procaddress in 16bit module from win32... (kernel32 undoc. ordinal func) */ FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hModule, LPCSTR name ) { WORD ordinal; FARPROC16 ret; if (!hModule) { WARN_(module)("hModule may not be 0!\n"); return (FARPROC16)0; } if (HIWORD(hModule)) { WARN_(module)("hModule is Win32 handle (%08x)\n", hModule ); return (FARPROC16)0; } hModule = GetExePtr( hModule ); if (HIWORD(name)) { ordinal = NE_GetOrdinal( hModule, name ); TRACE_(module)("%04x '%s'\n", hModule, name ); } else { ordinal = LOWORD(name); TRACE_(module)("%04x %04x\n", hModule, ordinal ); } if (!ordinal) return (FARPROC16)0; ret = NE_GetEntryPoint( hModule, ordinal ); TRACE_(module)("returning %08x\n",(UINT)ret); return ret; } /*********************************************************************** * GetProcAddress16 (KERNEL.50) */ FARPROC16 WINAPI GetProcAddress16( HMODULE16 hModule, SEGPTR name ) { WORD ordinal; FARPROC16 ret; if (!hModule) hModule = GetCurrentTask(); hModule = GetExePtr( hModule ); if (HIWORD(name) != 0) { ordinal = NE_GetOrdinal( hModule, (LPSTR)PTR_SEG_TO_LIN(name) ); TRACE_(module)("%04x '%s'\n", hModule, (LPSTR)PTR_SEG_TO_LIN(name) ); } else { ordinal = LOWORD(name); TRACE_(module)("%04x %04x\n", hModule, ordinal ); } if (!ordinal) return (FARPROC16)0; ret = NE_GetEntryPoint( hModule, ordinal ); TRACE_(module)("returning %08x\n", (UINT)ret ); return ret; } /*********************************************************************** * GetProcAddress32 (KERNEL32.257) */ FARPROC WINAPI GetProcAddress( HMODULE hModule, LPCSTR function ) { return MODULE_GetProcAddress( hModule, function, TRUE ); } /*********************************************************************** * WIN16_GetProcAddress32 (KERNEL.453) */ FARPROC WINAPI GetProcAddress32_16( HMODULE hModule, LPCSTR function ) { return MODULE_GetProcAddress( hModule, function, FALSE ); } /*********************************************************************** * MODULE_GetProcAddress32 (internal) */ FARPROC MODULE_GetProcAddress( HMODULE hModule, /* [in] current module handle */ LPCSTR function, /* [in] function to be looked up */ BOOL snoop ) { WINE_MODREF *wm = MODULE32_LookupHMODULE( hModule ); FARPROC retproc; if (HIWORD(function)) TRACE_(win32)("(%08lx,%s)\n",(DWORD)hModule,function); else TRACE_(win32)("(%08lx,%p)\n",(DWORD)hModule,function); if (!wm) { SetLastError(ERROR_INVALID_HANDLE); return (FARPROC)0; } switch (wm->type) { case MODULE32_PE: retproc = PE_FindExportedFunction( wm, function, snoop ); if (!retproc) SetLastError(ERROR_PROC_NOT_FOUND); return retproc; case MODULE32_ELF: retproc = ELF_FindExportedFunction( wm, function); if (!retproc) SetLastError(ERROR_PROC_NOT_FOUND); return retproc; default: ERR_(module)("wine_modref type %d not handled.\n",wm->type); SetLastError(ERROR_INVALID_HANDLE); return (FARPROC)0; } } /*********************************************************************** * RtlImageNtHeaders (NTDLL) */ PIMAGE_NT_HEADERS WINAPI RtlImageNtHeader(HMODULE hModule) { /* basically: * return hModule+(((IMAGE_DOS_HEADER*)hModule)->e_lfanew); * but we could get HMODULE16 or the like (think builtin modules) */ WINE_MODREF *wm = MODULE32_LookupHMODULE( hModule ); if (!wm || (wm->type != MODULE32_PE)) return (PIMAGE_NT_HEADERS)0; return PE_HEADER(wm->module); } /*************************************************************************** * HasGPHandler (KERNEL.338) */ #include "pshpack1.h" typedef struct _GPHANDLERDEF { WORD selector; WORD rangeStart; WORD rangeEnd; WORD handler; } GPHANDLERDEF; #include "poppack.h" SEGPTR WINAPI HasGPHandler16( SEGPTR address ) { HMODULE16 hModule; int gpOrdinal; SEGPTR gpPtr; GPHANDLERDEF *gpHandler; if ( (hModule = FarGetOwner16( SELECTOROF(address) )) != 0 && (gpOrdinal = NE_GetOrdinal( hModule, "__GP" )) != 0 && (gpPtr = (SEGPTR)NE_GetEntryPointEx( hModule, gpOrdinal, FALSE )) != 0 && !IsBadReadPtr16( gpPtr, sizeof(GPHANDLERDEF) ) && (gpHandler = PTR_SEG_TO_LIN( gpPtr )) != NULL ) { while (gpHandler->selector) { if ( SELECTOROF(address) == gpHandler->selector && OFFSETOF(address) >= gpHandler->rangeStart && OFFSETOF(address) < gpHandler->rangeEnd ) return PTR_SEG_OFF_TO_SEGPTR( gpHandler->selector, gpHandler->handler ); gpHandler++; } } return 0; }