Improved Winelib apps initialisation code. No longer need to link
[wine/multimedia.git] / loader / module.c
blob10189e34f2de86fceac5f7e42a37033ff8eb0619
1 /*
2 * Modules
4 * Copyright 1995 Alexandre Julliard
5 */
7 #include <assert.h>
8 #include <fcntl.h>
9 #include <stdlib.h>
10 #include <stdio.h>
11 #include <string.h>
12 #include <sys/types.h>
13 #include <unistd.h>
14 #include "windef.h"
15 #include "wingdi.h"
16 #include "wine/winbase16.h"
17 #include "wine/winuser16.h"
18 #include "winerror.h"
19 #include "file.h"
20 #include "global.h"
21 #include "heap.h"
22 #include "module.h"
23 #include "snoop.h"
24 #include "neexe.h"
25 #include "pe_image.h"
26 #include "dosexe.h"
27 #include "process.h"
28 #include "syslevel.h"
29 #include "thread.h"
30 #include "selectors.h"
31 #include "stackframe.h"
32 #include "task.h"
33 #include "debugtools.h"
34 #include "callback.h"
35 #include "loadorder.h"
36 #include "elfdll.h"
37 #include "server.h"
39 DEFAULT_DEBUG_CHANNEL(module);
40 DECLARE_DEBUG_CHANNEL(win32);
42 /*************************************************************************
43 * MODULE_WalkModref
44 * Walk MODREFs for input process ID
46 void MODULE_WalkModref( DWORD id )
48 int i;
49 WINE_MODREF *zwm, *prev = NULL;
50 PDB *pdb = PROCESS_IdToPDB( id );
52 if (!pdb) {
53 MESSAGE("Invalid process id (pid)\n");
54 return;
57 MESSAGE("Modref list for process pdb=%p\n", pdb);
58 MESSAGE("Modref next prev handle deps flags name\n");
59 for ( zwm = pdb->modref_list; zwm; zwm = zwm->next) {
60 MESSAGE("%p %p %p %04x %5d %04x %s\n", zwm, zwm->next, zwm->prev,
61 zwm->module, zwm->nDeps, zwm->flags, zwm->modname);
62 for ( i = 0; i < zwm->nDeps; i++ ) {
63 if ( zwm->deps[i] )
64 MESSAGE(" %d %p %s\n", i, zwm->deps[i], zwm->deps[i]->modname);
66 if (prev != zwm->prev)
67 MESSAGE(" --> modref corrupt, previous pointer wrong!!\n");
68 prev = zwm;
72 /*************************************************************************
73 * MODULE32_LookupHMODULE
74 * looks for the referenced HMODULE in the current process
76 WINE_MODREF *MODULE32_LookupHMODULE( HMODULE hmod )
78 WINE_MODREF *wm;
80 if (!hmod)
81 return PROCESS_Current()->exe_modref;
83 if (!HIWORD(hmod)) {
84 ERR("tried to lookup 0x%04x in win32 module handler!\n",hmod);
85 return NULL;
87 for ( wm = PROCESS_Current()->modref_list; wm; wm=wm->next )
88 if (wm->module == hmod)
89 return wm;
90 return NULL;
93 /*************************************************************************
94 * MODULE_InitDll
96 static BOOL MODULE_InitDll( WINE_MODREF *wm, DWORD type, LPVOID lpReserved )
98 BOOL retv = TRUE;
100 static LPCSTR typeName[] = { "PROCESS_DETACH", "PROCESS_ATTACH",
101 "THREAD_ATTACH", "THREAD_DETACH" };
102 assert( wm );
105 /* Skip calls for modules loaded with special load flags */
107 if ( ( wm->flags & WINE_MODREF_DONT_RESOLVE_REFS )
108 || ( wm->flags & WINE_MODREF_LOAD_AS_DATAFILE ) )
109 return TRUE;
112 TRACE("(%s,%s,%p) - CALL\n",
113 wm->modname, typeName[type], lpReserved );
115 /* Call the initialization routine */
116 switch ( wm->type )
118 case MODULE32_PE:
119 retv = PE_InitDLL( wm, type, lpReserved );
120 break;
122 case MODULE32_ELF:
123 /* no need to do that, dlopen() already does */
124 break;
126 default:
127 ERR("wine_modref type %d not handled.\n", wm->type );
128 retv = FALSE;
129 break;
132 TRACE("(%s,%s,%p) - RETURN %d\n",
133 wm->modname, typeName[type], lpReserved, retv );
135 return retv;
138 /*************************************************************************
139 * MODULE_DllProcessAttach
141 * Send the process attach notification to all DLLs the given module
142 * depends on (recursively). This is somewhat complicated due to the fact that
144 * - we have to respect the module dependencies, i.e. modules implicitly
145 * referenced by another module have to be initialized before the module
146 * itself can be initialized
148 * - the initialization routine of a DLL can itself call LoadLibrary,
149 * thereby introducing a whole new set of dependencies (even involving
150 * the 'old' modules) at any time during the whole process
152 * (Note that this routine can be recursively entered not only directly
153 * from itself, but also via LoadLibrary from one of the called initialization
154 * routines.)
156 * Furthermore, we need to rearrange the main WINE_MODREF list to allow
157 * the process *detach* notifications to be sent in the correct order.
158 * This must not only take into account module dependencies, but also
159 * 'hidden' dependencies created by modules calling LoadLibrary in their
160 * attach notification routine.
162 * The strategy is rather simple: we move a WINE_MODREF to the head of the
163 * list after the attach notification has returned. This implies that the
164 * detach notifications are called in the reverse of the sequence the attach
165 * notifications *returned*.
167 * NOTE: Assumes that the process critical section is held!
170 BOOL MODULE_DllProcessAttach( WINE_MODREF *wm, LPVOID lpReserved )
172 BOOL retv = TRUE;
173 int i;
174 assert( wm );
176 /* prevent infinite recursion in case of cyclical dependencies */
177 if ( ( wm->flags & WINE_MODREF_MARKER )
178 || ( wm->flags & WINE_MODREF_PROCESS_ATTACHED ) )
179 return retv;
181 TRACE("(%s,%p) - START\n", wm->modname, lpReserved );
183 /* Tag current MODREF to prevent recursive loop */
184 wm->flags |= WINE_MODREF_MARKER;
186 /* Recursively attach all DLLs this one depends on */
187 for ( i = 0; retv && i < wm->nDeps; i++ )
188 if ( wm->deps[i] )
189 retv = MODULE_DllProcessAttach( wm->deps[i], lpReserved );
191 /* Call DLL entry point */
192 if ( retv )
194 retv = MODULE_InitDll( wm, DLL_PROCESS_ATTACH, lpReserved );
195 if ( retv )
196 wm->flags |= WINE_MODREF_PROCESS_ATTACHED;
199 /* Re-insert MODREF at head of list */
200 if ( retv && wm->prev )
202 wm->prev->next = wm->next;
203 if ( wm->next ) wm->next->prev = wm->prev;
205 wm->prev = NULL;
206 wm->next = PROCESS_Current()->modref_list;
207 PROCESS_Current()->modref_list = wm->next->prev = wm;
210 /* Remove recursion flag */
211 wm->flags &= ~WINE_MODREF_MARKER;
213 TRACE("(%s,%p) - END\n", wm->modname, lpReserved );
215 return retv;
218 /*************************************************************************
219 * MODULE_DllProcessDetach
221 * Send DLL process detach notifications. See the comment about calling
222 * sequence at MODULE_DllProcessAttach. Unless the bForceDetach flag
223 * is set, only DLLs with zero refcount are notified.
225 void MODULE_DllProcessDetach( BOOL bForceDetach, LPVOID lpReserved )
227 WINE_MODREF *wm;
229 EnterCriticalSection( &PROCESS_Current()->crit_section );
233 for ( wm = PROCESS_Current()->modref_list; wm; wm = wm->next )
235 /* Check whether to detach this DLL */
236 if ( !(wm->flags & WINE_MODREF_PROCESS_ATTACHED) )
237 continue;
238 if ( wm->refCount > 0 && !bForceDetach )
239 continue;
241 /* Call detach notification */
242 wm->flags &= ~WINE_MODREF_PROCESS_ATTACHED;
243 MODULE_InitDll( wm, DLL_PROCESS_DETACH, lpReserved );
245 /* Restart at head of WINE_MODREF list, as entries might have
246 been added and/or removed while performing the call ... */
247 break;
249 } while ( wm );
251 LeaveCriticalSection( &PROCESS_Current()->crit_section );
254 /*************************************************************************
255 * MODULE_DllThreadAttach
257 * Send DLL thread attach notifications. These are sent in the
258 * reverse sequence of process detach notification.
261 void MODULE_DllThreadAttach( LPVOID lpReserved )
263 WINE_MODREF *wm;
265 EnterCriticalSection( &PROCESS_Current()->crit_section );
267 for ( wm = PROCESS_Current()->modref_list; wm; wm = wm->next )
268 if ( !wm->next )
269 break;
271 for ( ; wm; wm = wm->prev )
273 if ( !(wm->flags & WINE_MODREF_PROCESS_ATTACHED) )
274 continue;
275 if ( wm->flags & WINE_MODREF_NO_DLL_CALLS )
276 continue;
278 MODULE_InitDll( wm, DLL_THREAD_ATTACH, lpReserved );
281 LeaveCriticalSection( &PROCESS_Current()->crit_section );
284 /*************************************************************************
285 * MODULE_DllThreadDetach
287 * Send DLL thread detach notifications. These are sent in the
288 * same sequence as process detach notification.
291 void MODULE_DllThreadDetach( LPVOID lpReserved )
293 WINE_MODREF *wm;
295 EnterCriticalSection( &PROCESS_Current()->crit_section );
297 for ( wm = PROCESS_Current()->modref_list; wm; wm = wm->next )
299 if ( !(wm->flags & WINE_MODREF_PROCESS_ATTACHED) )
300 continue;
301 if ( wm->flags & WINE_MODREF_NO_DLL_CALLS )
302 continue;
304 MODULE_InitDll( wm, DLL_THREAD_DETACH, lpReserved );
307 LeaveCriticalSection( &PROCESS_Current()->crit_section );
310 /****************************************************************************
311 * DisableThreadLibraryCalls (KERNEL32.74)
313 * Don't call DllEntryPoint for DLL_THREAD_{ATTACH,DETACH} if set.
315 BOOL WINAPI DisableThreadLibraryCalls( HMODULE hModule )
317 WINE_MODREF *wm;
318 BOOL retval = TRUE;
320 EnterCriticalSection( &PROCESS_Current()->crit_section );
322 wm = MODULE32_LookupHMODULE( hModule );
323 if ( !wm )
324 retval = FALSE;
325 else
326 wm->flags |= WINE_MODREF_NO_DLL_CALLS;
328 LeaveCriticalSection( &PROCESS_Current()->crit_section );
330 return retval;
334 /***********************************************************************
335 * MODULE_CreateDummyModule
337 * Create a dummy NE module for Win32 or Winelib.
339 HMODULE MODULE_CreateDummyModule( LPCSTR filename, HMODULE module32 )
341 HMODULE hModule;
342 NE_MODULE *pModule;
343 SEGTABLEENTRY *pSegment;
344 char *pStr,*s;
345 unsigned int len;
346 const char* basename;
347 OFSTRUCT *ofs;
348 int of_size, size;
350 /* Extract base filename */
351 basename = strrchr(filename, '\\');
352 if (!basename) basename = filename;
353 else basename++;
354 len = strlen(basename);
355 if ((s = strchr(basename, '.'))) len = s - basename;
357 /* Allocate module */
358 of_size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName)
359 + strlen(filename) + 1;
360 size = sizeof(NE_MODULE) +
361 /* loaded file info */
362 of_size +
363 /* segment table: DS,CS */
364 2 * sizeof(SEGTABLEENTRY) +
365 /* name table */
366 len + 2 +
367 /* several empty tables */
370 hModule = GlobalAlloc16( GMEM_MOVEABLE | GMEM_ZEROINIT, size );
371 if (!hModule) return (HMODULE)11; /* invalid exe */
373 FarSetOwner16( hModule, hModule );
374 pModule = (NE_MODULE *)GlobalLock16( hModule );
376 /* Set all used entries */
377 pModule->magic = IMAGE_OS2_SIGNATURE;
378 pModule->count = 1;
379 pModule->next = 0;
380 pModule->flags = 0;
381 pModule->dgroup = 0;
382 pModule->ss = 1;
383 pModule->cs = 2;
384 pModule->heap_size = 0;
385 pModule->stack_size = 0;
386 pModule->seg_count = 2;
387 pModule->modref_count = 0;
388 pModule->nrname_size = 0;
389 pModule->fileinfo = sizeof(NE_MODULE);
390 pModule->os_flags = NE_OSFLAGS_WINDOWS;
391 pModule->self = hModule;
392 pModule->module32 = module32;
394 /* Set version and flags */
395 if (module32)
397 pModule->expected_version =
398 ((PE_HEADER(module32)->OptionalHeader.MajorSubsystemVersion & 0xff) << 8 ) |
399 (PE_HEADER(module32)->OptionalHeader.MinorSubsystemVersion & 0xff);
400 pModule->flags |= NE_FFLAGS_WIN32;
401 if (PE_HEADER(module32)->FileHeader.Characteristics & IMAGE_FILE_DLL)
402 pModule->flags |= NE_FFLAGS_LIBMODULE | NE_FFLAGS_SINGLEDATA;
405 /* Set loaded file information */
406 ofs = (OFSTRUCT *)(pModule + 1);
407 memset( ofs, 0, of_size );
408 ofs->cBytes = of_size < 256 ? of_size : 255; /* FIXME */
409 strcpy( ofs->szPathName, filename );
411 pSegment = (SEGTABLEENTRY*)((char*)(pModule + 1) + of_size);
412 pModule->seg_table = (int)pSegment - (int)pModule;
413 /* Data segment */
414 pSegment->size = 0;
415 pSegment->flags = NE_SEGFLAGS_DATA;
416 pSegment->minsize = 0x1000;
417 pSegment++;
418 /* Code segment */
419 pSegment->flags = 0;
420 pSegment++;
422 /* Module name */
423 pStr = (char *)pSegment;
424 pModule->name_table = (int)pStr - (int)pModule;
425 assert(len<256);
426 *pStr = len;
427 lstrcpynA( pStr+1, basename, len+1 );
428 pStr += len+2;
430 /* All tables zero terminated */
431 pModule->res_table = pModule->import_table = pModule->entry_table =
432 (int)pStr - (int)pModule;
434 NE_RegisterModule( pModule );
435 return hModule;
439 /**********************************************************************
440 * MODULE_FindModule32
442 * Find a (loaded) win32 module depending on path
444 * RETURNS
445 * the module handle if found
446 * 0 if not
448 WINE_MODREF *MODULE_FindModule(
449 LPCSTR path /* [in] pathname of module/library to be found */
451 WINE_MODREF *wm;
452 char dllname[260], *p;
454 /* Append .DLL to name if no extension present */
455 strcpy( dllname, path );
456 if (!(p = strrchr( dllname, '.')) || strchr( p, '/' ) || strchr( p, '\\'))
457 strcat( dllname, ".DLL" );
459 for ( wm = PROCESS_Current()->modref_list; wm; wm = wm->next )
461 if ( !strcasecmp( dllname, wm->modname ) )
462 break;
463 if ( !strcasecmp( dllname, wm->filename ) )
464 break;
465 if ( !strcasecmp( dllname, wm->short_modname ) )
466 break;
467 if ( !strcasecmp( dllname, wm->short_filename ) )
468 break;
471 return wm;
474 /***********************************************************************
475 * MODULE_GetBinaryType
477 * The GetBinaryType function determines whether a file is executable
478 * or not and if it is it returns what type of executable it is.
479 * The type of executable is a property that determines in which
480 * subsystem an executable file runs under.
482 * Binary types returned:
483 * SCS_32BIT_BINARY: A Win32 based application
484 * SCS_DOS_BINARY: An MS-Dos based application
485 * SCS_WOW_BINARY: A Win16 based application
486 * SCS_PIF_BINARY: A PIF file that executes an MS-Dos based app
487 * SCS_POSIX_BINARY: A POSIX based application ( Not implemented )
488 * SCS_OS216_BINARY: A 16bit OS/2 based application
490 * Returns TRUE if the file is an executable in which case
491 * the value pointed by lpBinaryType is set.
492 * Returns FALSE if the file is not an executable or if the function fails.
494 * To do so it opens the file and reads in the header information
495 * if the extended header information is not present it will
496 * assume that the file is a DOS executable.
497 * If the extended header information is present it will
498 * determine if the file is a 16 or 32 bit Windows executable
499 * by check the flags in the header.
501 * Note that .COM and .PIF files are only recognized by their
502 * file name extension; but Windows does it the same way ...
504 static BOOL MODULE_GetBinaryType( HANDLE hfile, LPCSTR filename,
505 LPDWORD lpBinaryType )
507 IMAGE_DOS_HEADER mz_header;
508 char magic[4], *ptr;
509 DWORD len;
511 /* Seek to the start of the file and read the DOS header information.
513 if ( SetFilePointer( hfile, 0, NULL, SEEK_SET ) != -1
514 && ReadFile( hfile, &mz_header, sizeof(mz_header), &len, NULL )
515 && len == sizeof(mz_header) )
517 /* Now that we have the header check the e_magic field
518 * to see if this is a dos image.
520 if ( mz_header.e_magic == IMAGE_DOS_SIGNATURE )
522 BOOL lfanewValid = FALSE;
523 /* We do have a DOS image so we will now try to seek into
524 * the file by the amount indicated by the field
525 * "Offset to extended header" and read in the
526 * "magic" field information at that location.
527 * This will tell us if there is more header information
528 * to read or not.
530 /* But before we do we will make sure that header
531 * structure encompasses the "Offset to extended header"
532 * field.
534 if ( (mz_header.e_cparhdr<<4) >= sizeof(IMAGE_DOS_HEADER) )
535 if ( ( mz_header.e_crlc == 0 ) ||
536 ( mz_header.e_lfarlc >= sizeof(IMAGE_DOS_HEADER) ) )
537 if ( mz_header.e_lfanew >= sizeof(IMAGE_DOS_HEADER)
538 && SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET ) != -1
539 && ReadFile( hfile, magic, sizeof(magic), &len, NULL )
540 && len == sizeof(magic) )
541 lfanewValid = TRUE;
543 if ( !lfanewValid )
545 /* If we cannot read this "extended header" we will
546 * assume that we have a simple DOS executable.
548 *lpBinaryType = SCS_DOS_BINARY;
549 return TRUE;
551 else
553 /* Reading the magic field succeeded so
554 * we will try to determine what type it is.
556 if ( *(DWORD*)magic == IMAGE_NT_SIGNATURE )
558 /* This is an NT signature.
560 *lpBinaryType = SCS_32BIT_BINARY;
561 return TRUE;
563 else if ( *(WORD*)magic == IMAGE_OS2_SIGNATURE )
565 /* The IMAGE_OS2_SIGNATURE indicates that the
566 * "extended header is a Windows executable (NE)
567 * header." This can mean either a 16-bit OS/2
568 * or a 16-bit Windows or even a DOS program
569 * (running under a DOS extender). To decide
570 * which, we'll have to read the NE header.
573 IMAGE_OS2_HEADER ne;
574 if ( SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET ) != -1
575 && ReadFile( hfile, &ne, sizeof(ne), &len, NULL )
576 && len == sizeof(ne) )
578 switch ( ne.operating_system )
580 case 2: *lpBinaryType = SCS_WOW_BINARY; return TRUE;
581 case 5: *lpBinaryType = SCS_DOS_BINARY; return TRUE;
582 default: *lpBinaryType = SCS_OS216_BINARY; return TRUE;
585 /* Couldn't read header, so abort. */
586 return FALSE;
588 else
590 /* Unknown extended header, but this file is nonetheless
591 DOS-executable.
593 *lpBinaryType = SCS_DOS_BINARY;
594 return TRUE;
600 /* If we get here, we don't even have a correct MZ header.
601 * Try to check the file extension for known types ...
603 ptr = strrchr( filename, '.' );
604 if ( ptr && !strchr( ptr, '\\' ) && !strchr( ptr, '/' ) )
606 if ( !lstrcmpiA( ptr, ".COM" ) )
608 *lpBinaryType = SCS_DOS_BINARY;
609 return TRUE;
612 if ( !lstrcmpiA( ptr, ".PIF" ) )
614 *lpBinaryType = SCS_PIF_BINARY;
615 return TRUE;
619 return FALSE;
622 /***********************************************************************
623 * GetBinaryTypeA [KERNEL32.280]
625 BOOL WINAPI GetBinaryTypeA( LPCSTR lpApplicationName, LPDWORD lpBinaryType )
627 BOOL ret = FALSE;
628 HANDLE hfile;
630 TRACE_(win32)("%s\n", lpApplicationName );
632 /* Sanity check.
634 if ( lpApplicationName == NULL || lpBinaryType == NULL )
635 return FALSE;
637 /* Open the file indicated by lpApplicationName for reading.
639 hfile = CreateFileA( lpApplicationName, GENERIC_READ, 0,
640 NULL, OPEN_EXISTING, 0, -1 );
641 if ( hfile == INVALID_HANDLE_VALUE )
642 return FALSE;
644 /* Check binary type
646 ret = MODULE_GetBinaryType( hfile, lpApplicationName, lpBinaryType );
648 /* Close the file.
650 CloseHandle( hfile );
652 return ret;
655 /***********************************************************************
656 * GetBinaryTypeW [KERNEL32.281]
658 BOOL WINAPI GetBinaryTypeW( LPCWSTR lpApplicationName, LPDWORD lpBinaryType )
660 BOOL ret = FALSE;
661 LPSTR strNew = NULL;
663 TRACE_(win32)("%s\n", debugstr_w(lpApplicationName) );
665 /* Sanity check.
667 if ( lpApplicationName == NULL || lpBinaryType == NULL )
668 return FALSE;
670 /* Convert the wide string to a ascii string.
672 strNew = HEAP_strdupWtoA( GetProcessHeap(), 0, lpApplicationName );
674 if ( strNew != NULL )
676 ret = GetBinaryTypeA( strNew, lpBinaryType );
678 /* Free the allocated string.
680 HeapFree( GetProcessHeap(), 0, strNew );
683 return ret;
686 /**********************************************************************
687 * MODULE_CreateUnixProcess
689 static BOOL MODULE_CreateUnixProcess( LPCSTR filename, LPCSTR lpCmdLine,
690 LPSTARTUPINFOA lpStartupInfo,
691 LPPROCESS_INFORMATION lpProcessInfo,
692 BOOL useWine )
694 const char *argv[256], **argptr;
695 char *cmdline = NULL;
696 BOOL iconic = FALSE;
698 /* Get Unix file name and iconic flag */
700 if ( lpStartupInfo->dwFlags & STARTF_USESHOWWINDOW )
701 if ( lpStartupInfo->wShowWindow == SW_SHOWMINIMIZED
702 || lpStartupInfo->wShowWindow == SW_SHOWMINNOACTIVE )
703 iconic = TRUE;
705 /* Build argument list */
706 argptr = argv;
707 if ( !useWine )
709 char *p;
710 const char *unixfilename = filename;
711 DOS_FULL_NAME full_name;
713 p = cmdline = strdup(lpCmdLine);
714 if (strchr(filename, '/') || strchr(filename, ':') || strchr(filename, '\\'))
716 if ( DOSFS_GetFullName( filename, TRUE, &full_name ) )
717 unixfilename = full_name.long_name;
719 if (iconic) *argptr++ = "-iconic";
720 while (1)
722 while (*p && (*p == ' ' || *p == '\t')) *p++ = '\0';
723 if (!*p) break;
724 *argptr++ = p;
725 while (*p && *p != ' ' && *p != '\t') p++;
727 /* overwrite program name gotten from tidy_cmd */
728 argv[0] = unixfilename;
730 else
732 *argptr++ = "wine";
733 if (iconic) *argptr++ = "-iconic";
734 *argptr++ = lpCmdLine;
736 *argptr++ = 0;
738 /* Fork and execute */
740 if ( !fork() )
742 /* Note: don't use Wine routines here, as this process
743 has not been correctly initialized! */
745 execvp( argv[0], (char**)argv );
747 /* Failed ! */
748 if ( useWine )
749 fprintf( stderr, "CreateProcess: can't exec 'wine %s'\n",
750 lpCmdLine );
751 exit( 1 );
754 /* Fake success return value */
756 memset( lpProcessInfo, '\0', sizeof( *lpProcessInfo ) );
757 lpProcessInfo->hProcess = INVALID_HANDLE_VALUE;
758 lpProcessInfo->hThread = INVALID_HANDLE_VALUE;
759 if (cmdline) free(cmdline);
761 SetLastError( ERROR_SUCCESS );
762 return TRUE;
765 /***********************************************************************
766 * WinExec16 (KERNEL.166)
768 HINSTANCE16 WINAPI WinExec16( LPCSTR lpCmdLine, UINT16 nCmdShow )
770 HINSTANCE16 hInst;
772 SYSLEVEL_ReleaseWin16Lock();
773 hInst = WinExec( lpCmdLine, nCmdShow );
774 SYSLEVEL_RestoreWin16Lock();
776 return hInst;
779 /***********************************************************************
780 * WinExec (KERNEL32.566)
782 HINSTANCE WINAPI WinExec( LPCSTR lpCmdLine, UINT nCmdShow )
784 LOADPARAMS params;
785 UINT16 paramCmdShow[2];
787 if (!lpCmdLine)
788 return 2; /* File not found */
790 /* Set up LOADPARAMS buffer for LoadModule */
792 memset( &params, '\0', sizeof(params) );
793 params.lpCmdLine = (LPSTR)lpCmdLine;
794 params.lpCmdShow = paramCmdShow;
795 params.lpCmdShow[0] = 2;
796 params.lpCmdShow[1] = nCmdShow;
798 /* Now load the executable file */
800 return LoadModule( NULL, &params );
803 /**********************************************************************
804 * LoadModule (KERNEL32.499)
806 HINSTANCE WINAPI LoadModule( LPCSTR name, LPVOID paramBlock )
808 LOADPARAMS *params = (LOADPARAMS *)paramBlock;
809 PROCESS_INFORMATION info;
810 STARTUPINFOA startup;
811 HINSTANCE hInstance;
812 PDB *pdb;
813 TDB *tdb;
815 memset( &startup, '\0', sizeof(startup) );
816 startup.cb = sizeof(startup);
817 startup.dwFlags = STARTF_USESHOWWINDOW;
818 startup.wShowWindow = params->lpCmdShow? params->lpCmdShow[1] : 0;
820 if ( !CreateProcessA( name, params->lpCmdLine,
821 NULL, NULL, FALSE, 0, params->lpEnvAddress,
822 NULL, &startup, &info ) )
824 hInstance = GetLastError();
825 if ( hInstance < 32 ) return hInstance;
827 FIXME("Strange error set by CreateProcess: %d\n", hInstance );
828 return 11;
831 /* Give 30 seconds to the app to come up */
832 if ( Callout.WaitForInputIdle ( info.hProcess, 30000 ) == 0xFFFFFFFF )
833 WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
835 /* Get 16-bit hInstance/hTask from process */
836 pdb = PROCESS_IdToPDB( info.dwProcessId );
837 tdb = pdb? (TDB *)GlobalLock16( pdb->task ) : NULL;
838 hInstance = tdb && tdb->hInstance? tdb->hInstance : pdb? pdb->task : 0;
839 /* If there is no hInstance (32-bit process) return a dummy value
840 * that must be > 31
841 * FIXME: should do this in all cases and fix Win16 callers */
842 if (!hInstance) hInstance = 33;
844 /* Close off the handles */
845 CloseHandle( info.hThread );
846 CloseHandle( info.hProcess );
848 return hInstance;
851 /*************************************************************************
852 * get_makename_token
854 * Get next blank delimited token from input string. If quoted then
855 * process till matching quote and then till blank.
857 * Returns number of characters in token (not including \0). On
858 * end of string (EOS), returns a 0.
860 * from (IO) address of start of input string to scan, updated to
861 * next non-processed character.
862 * to (IO) address of start of output string (previous token \0
863 * char), updated to end of new output string (the \0
864 * char).
866 static int get_makename_token(LPCSTR *from, LPSTR *to )
868 int len = 0;
869 LPCSTR to_old = *to; /* only used for tracing */
871 while ( **from == ' ') {
872 /* Copy leading blanks (separators between previous */
873 /* token and this token). */
874 **to = **from;
875 (*from)++;
876 (*to)++;
877 len++;
879 do {
880 while ( (**from != 0) && (**from != ' ') && (**from != '"') ) {
881 **to = **from; (*from)++; (*to)++; len++;
883 if ( **from == '"' ) {
884 /* Handle quoted string. */
885 (*from)++;
886 if ( !strchr(*from, '"') ) {
887 /* fail - no closing quote. Return entire string */
888 while ( **from != 0 ) {
889 **to = **from; (*from)++; (*to)++; len++;
891 break;
893 while( **from != '"') {
894 **to = **from;
895 len++;
896 (*to)++;
897 (*from)++;
899 (*from)++;
900 continue;
903 /* either EOS or ' ' */
904 break;
906 } while (1);
908 **to = 0; /* terminate output string */
910 TRACE("returning token len=%d, string=%s\n", len, to_old);
912 return len;
915 /*************************************************************************
916 * make_lpCommandLine_name
918 * Try longer and longer strings from "line" to find an existing
919 * file name. Each attempt is delimited by a blank outside of quotes.
920 * Also will attempt to append ".exe" if requested and not already
921 * present. Returns the address of the remaining portion of the
922 * input line.
926 static BOOL make_lpCommandLine_name( LPCSTR line, LPSTR name, int namelen,
927 LPCSTR *after )
929 BOOL found = TRUE;
930 LPCSTR from;
931 char buffer[260];
932 DWORD retlen;
933 LPSTR to, lastpart;
935 from = line;
936 to = name;
938 /* scan over initial blanks if any */
939 while ( *from == ' ') from++;
941 /* get a token and append to previous data the check for existance */
942 do {
943 if ( !get_makename_token( &from, &to ) ) {
944 /* EOS has occured and not found - exit */
945 retlen = 0;
946 found = FALSE;
947 break;
949 TRACE("checking if file exists '%s'\n", name);
950 retlen = SearchPathA( NULL, name, ".exe", sizeof(buffer), buffer, &lastpart);
951 if (!retlen)
952 retlen = SearchPathA( NULL, name, NULL, sizeof(buffer), buffer, &lastpart);
954 if ( retlen && (retlen < sizeof(buffer)) ) break;
955 } while (1);
957 /* if we have a non-null full path name in buffer then move to output */
958 if ( retlen ) {
959 if ( strlen(buffer) <= namelen ) {
960 strcpy( name, buffer );
961 } else {
962 /* not enough space to return full path string */
963 FIXME("internal string not long enough, need %d\n",
964 strlen(buffer) );
968 /* all done, indicate end of module name and then trace and exit */
969 if (after) *after = from;
970 TRACE("%i, selected file name '%s'\n and cmdline as %s\n",
971 found, name, debugstr_a(from));
972 return found;
975 /*************************************************************************
976 * make_lpApplicationName_name
978 * Scan input string (the lpApplicationName) and remove any quotes
979 * if they are balanced.
983 static BOOL make_lpApplicationName_name( LPCSTR line, LPSTR name, int namelen)
985 LPCSTR from;
986 LPSTR to, to_end, to_old;
987 char buffer[260];
989 to = buffer;
990 to_end = to + sizeof(buffer) - 1;
991 to_old = to;
993 while ( *line == ' ' ) line++; /* point to beginning of string */
994 from = line;
995 do {
996 /* Copy all input till end, or quote */
997 while((*from != 0) && (*from != '"') && (to < to_end))
998 *to++ = *from++;
999 if (to >= to_end) { *to = 0; break; }
1001 if (*from == '"')
1003 /* Handle quoted string. If there is a closing quote, copy all */
1004 /* that is inside. */
1005 from++;
1006 if (!strchr(from, '"'))
1008 /* fail - no closing quote */
1009 to = to_old; /* restore to previous attempt */
1010 *to = 0; /* end string */
1011 break; /* exit with previous attempt */
1013 while((*from != '"') && (to < to_end)) *to++ = *from++;
1014 if (to >= to_end) { *to = 0; break; }
1015 from++;
1016 continue; /* past quoted string, so restart from top */
1019 *to = 0; /* terminate output string */
1020 to_old = to; /* save for possible use in unmatched quote case */
1022 /* loop around keeping the blank as part of file name */
1023 if (!*from)
1024 break; /* exit if out of input string */
1025 } while (1);
1027 if (!SearchPathA( NULL, buffer, ".exe", namelen, name, NULL ) &&
1028 !SearchPathA( NULL, buffer, NULL, namelen, name, NULL ) ) {
1029 TRACE("file not found '%s'\n", buffer );
1030 return FALSE;
1033 TRACE("selected as file name '%s'\n", name );
1034 return TRUE;
1037 /**********************************************************************
1038 * CreateProcessA (KERNEL32.171)
1040 BOOL WINAPI CreateProcessA( LPCSTR lpApplicationName, LPSTR lpCommandLine,
1041 LPSECURITY_ATTRIBUTES lpProcessAttributes,
1042 LPSECURITY_ATTRIBUTES lpThreadAttributes,
1043 BOOL bInheritHandles, DWORD dwCreationFlags,
1044 LPVOID lpEnvironment, LPCSTR lpCurrentDirectory,
1045 LPSTARTUPINFOA lpStartupInfo,
1046 LPPROCESS_INFORMATION lpProcessInfo )
1048 BOOL retv = FALSE;
1049 BOOL found_file = FALSE;
1050 HANDLE hFile;
1051 DWORD type;
1052 char name[256], dummy[256];
1053 LPCSTR cmdline = NULL;
1054 LPSTR tidy_cmdline;
1056 /* Get name and command line */
1058 if (!lpApplicationName && !lpCommandLine)
1060 SetLastError( ERROR_FILE_NOT_FOUND );
1061 return FALSE;
1064 /* Process the AppName and/or CmdLine to get module name and path */
1066 name[0] = '\0';
1068 if (lpApplicationName)
1070 found_file = make_lpApplicationName_name( lpApplicationName, name, sizeof(name) );
1071 if (lpCommandLine)
1072 make_lpCommandLine_name( lpCommandLine, dummy, sizeof ( dummy ), &cmdline );
1073 else
1074 cmdline = lpApplicationName;
1076 else
1078 if (lpCommandLine)
1079 found_file = make_lpCommandLine_name( lpCommandLine, name, sizeof ( name ), &cmdline );
1082 if ( !found_file ) {
1083 /* make an early exit if file not found - save second pass */
1084 SetLastError( ERROR_FILE_NOT_FOUND );
1085 return FALSE;
1088 if (!cmdline) cmdline = "";
1089 tidy_cmdline = HeapAlloc( GetProcessHeap(), 0, strlen(name) + strlen(cmdline) + 3 );
1090 TRACE_(module)("tidy_cmdline: name '%s'[%d], cmdline '%s'[%d]\n",
1091 name, strlen(name), cmdline, strlen(cmdline));
1092 sprintf( tidy_cmdline, "\"%s\"%s", name, cmdline);
1094 /* Warn if unsupported features are used */
1096 if (dwCreationFlags & DETACHED_PROCESS)
1097 FIXME("(%s,...): DETACHED_PROCESS ignored\n", name);
1098 if (dwCreationFlags & CREATE_NEW_CONSOLE)
1099 FIXME("(%s,...): CREATE_NEW_CONSOLE ignored\n", name);
1100 if (dwCreationFlags & NORMAL_PRIORITY_CLASS)
1101 FIXME("(%s,...): NORMAL_PRIORITY_CLASS ignored\n", name);
1102 if (dwCreationFlags & IDLE_PRIORITY_CLASS)
1103 FIXME("(%s,...): IDLE_PRIORITY_CLASS ignored\n", name);
1104 if (dwCreationFlags & HIGH_PRIORITY_CLASS)
1105 FIXME("(%s,...): HIGH_PRIORITY_CLASS ignored\n", name);
1106 if (dwCreationFlags & REALTIME_PRIORITY_CLASS)
1107 FIXME("(%s,...): REALTIME_PRIORITY_CLASS ignored\n", name);
1108 if (dwCreationFlags & CREATE_NEW_PROCESS_GROUP)
1109 FIXME("(%s,...): CREATE_NEW_PROCESS_GROUP ignored\n", name);
1110 if (dwCreationFlags & CREATE_UNICODE_ENVIRONMENT)
1111 FIXME("(%s,...): CREATE_UNICODE_ENVIRONMENT ignored\n", name);
1112 if (dwCreationFlags & CREATE_SEPARATE_WOW_VDM)
1113 FIXME("(%s,...): CREATE_SEPARATE_WOW_VDM ignored\n", name);
1114 if (dwCreationFlags & CREATE_SHARED_WOW_VDM)
1115 FIXME("(%s,...): CREATE_SHARED_WOW_VDM ignored\n", name);
1116 if (dwCreationFlags & CREATE_DEFAULT_ERROR_MODE)
1117 FIXME("(%s,...): CREATE_DEFAULT_ERROR_MODE ignored\n", name);
1118 if (dwCreationFlags & CREATE_NO_WINDOW)
1119 FIXME("(%s,...): CREATE_NO_WINDOW ignored\n", name);
1120 if (dwCreationFlags & PROFILE_USER)
1121 FIXME("(%s,...): PROFILE_USER ignored\n", name);
1122 if (dwCreationFlags & PROFILE_KERNEL)
1123 FIXME("(%s,...): PROFILE_KERNEL ignored\n", name);
1124 if (dwCreationFlags & PROFILE_SERVER)
1125 FIXME("(%s,...): PROFILE_SERVER ignored\n", name);
1126 if (lpCurrentDirectory)
1127 FIXME("(%s,...): lpCurrentDirectory %s ignored\n",
1128 name, lpCurrentDirectory);
1129 if (lpStartupInfo->lpDesktop)
1130 FIXME("(%s,...): lpStartupInfo->lpDesktop %s ignored\n",
1131 name, lpStartupInfo->lpDesktop);
1132 if (lpStartupInfo->lpTitle)
1133 FIXME("(%s,...): lpStartupInfo->lpTitle %s ignored\n",
1134 name, lpStartupInfo->lpTitle);
1135 if (lpStartupInfo->dwFlags & STARTF_USECOUNTCHARS)
1136 FIXME("(%s,...): STARTF_USECOUNTCHARS (%ld,%ld) ignored\n",
1137 name, lpStartupInfo->dwXCountChars, lpStartupInfo->dwYCountChars);
1138 if (lpStartupInfo->dwFlags & STARTF_USEFILLATTRIBUTE)
1139 FIXME("(%s,...): STARTF_USEFILLATTRIBUTE %lx ignored\n",
1140 name, lpStartupInfo->dwFillAttribute);
1141 if (lpStartupInfo->dwFlags & STARTF_RUNFULLSCREEN)
1142 FIXME("(%s,...): STARTF_RUNFULLSCREEN ignored\n", name);
1143 if (lpStartupInfo->dwFlags & STARTF_FORCEONFEEDBACK)
1144 FIXME("(%s,...): STARTF_FORCEONFEEDBACK ignored\n", name);
1145 if (lpStartupInfo->dwFlags & STARTF_FORCEOFFFEEDBACK)
1146 FIXME("(%s,...): STARTF_FORCEOFFFEEDBACK ignored\n", name);
1147 if (lpStartupInfo->dwFlags & STARTF_USEHOTKEY)
1148 FIXME("(%s,...): STARTF_USEHOTKEY ignored\n", name);
1151 /* Load file and create process */
1153 if ( !retv )
1155 /* Open file and determine executable type */
1157 hFile = CreateFileA( name, GENERIC_READ, FILE_SHARE_READ,
1158 NULL, OPEN_EXISTING, 0, -1 );
1159 if ( hFile == INVALID_HANDLE_VALUE )
1161 SetLastError( ERROR_FILE_NOT_FOUND );
1162 HeapFree( GetProcessHeap(), 0, tidy_cmdline );
1163 return FALSE;
1166 if ( !MODULE_GetBinaryType( hFile, name, &type ) )
1168 CloseHandle( hFile );
1170 /* FIXME: Try Unix executable only when appropriate! */
1171 if ( MODULE_CreateUnixProcess( name, tidy_cmdline,
1172 lpStartupInfo, lpProcessInfo, FALSE ) )
1174 HeapFree( GetProcessHeap(), 0, tidy_cmdline );
1175 return TRUE;
1177 HeapFree( GetProcessHeap(), 0, tidy_cmdline );
1178 SetLastError( ERROR_BAD_FORMAT );
1179 return FALSE;
1183 /* Create process */
1185 switch ( type )
1187 case SCS_32BIT_BINARY:
1188 retv = PE_CreateProcess( hFile, name, tidy_cmdline, lpEnvironment,
1189 lpProcessAttributes, lpThreadAttributes,
1190 bInheritHandles, dwCreationFlags,
1191 lpStartupInfo, lpProcessInfo );
1192 break;
1194 case SCS_DOS_BINARY:
1195 retv = MZ_CreateProcess( hFile, name, tidy_cmdline, lpEnvironment,
1196 lpProcessAttributes, lpThreadAttributes,
1197 bInheritHandles, dwCreationFlags,
1198 lpStartupInfo, lpProcessInfo );
1199 break;
1201 case SCS_WOW_BINARY:
1202 retv = NE_CreateProcess( hFile, name, tidy_cmdline, lpEnvironment,
1203 lpProcessAttributes, lpThreadAttributes,
1204 bInheritHandles, dwCreationFlags,
1205 lpStartupInfo, lpProcessInfo );
1206 break;
1208 case SCS_PIF_BINARY:
1209 case SCS_POSIX_BINARY:
1210 case SCS_OS216_BINARY:
1211 FIXME("Unsupported executable type: %ld\n", type );
1212 /* fall through */
1214 default:
1215 SetLastError( ERROR_BAD_FORMAT );
1216 retv = FALSE;
1217 break;
1220 CloseHandle( hFile );
1222 HeapFree( GetProcessHeap(), 0, tidy_cmdline );
1223 return retv;
1226 /**********************************************************************
1227 * CreateProcessW (KERNEL32.172)
1228 * NOTES
1229 * lpReserved is not converted
1231 BOOL WINAPI CreateProcessW( LPCWSTR lpApplicationName, LPWSTR lpCommandLine,
1232 LPSECURITY_ATTRIBUTES lpProcessAttributes,
1233 LPSECURITY_ATTRIBUTES lpThreadAttributes,
1234 BOOL bInheritHandles, DWORD dwCreationFlags,
1235 LPVOID lpEnvironment, LPCWSTR lpCurrentDirectory,
1236 LPSTARTUPINFOW lpStartupInfo,
1237 LPPROCESS_INFORMATION lpProcessInfo )
1238 { BOOL ret;
1239 STARTUPINFOA StartupInfoA;
1241 LPSTR lpApplicationNameA = HEAP_strdupWtoA (GetProcessHeap(),0,lpApplicationName);
1242 LPSTR lpCommandLineA = HEAP_strdupWtoA (GetProcessHeap(),0,lpCommandLine);
1243 LPSTR lpCurrentDirectoryA = HEAP_strdupWtoA (GetProcessHeap(),0,lpCurrentDirectory);
1245 memcpy (&StartupInfoA, lpStartupInfo, sizeof(STARTUPINFOA));
1246 StartupInfoA.lpDesktop = HEAP_strdupWtoA (GetProcessHeap(),0,lpStartupInfo->lpDesktop);
1247 StartupInfoA.lpTitle = HEAP_strdupWtoA (GetProcessHeap(),0,lpStartupInfo->lpTitle);
1249 TRACE_(win32)("(%s,%s,...)\n", debugstr_w(lpApplicationName), debugstr_w(lpCommandLine));
1251 if (lpStartupInfo->lpReserved)
1252 FIXME_(win32)("StartupInfo.lpReserved is used, please report (%s)\n", debugstr_w(lpStartupInfo->lpReserved));
1254 ret = CreateProcessA( lpApplicationNameA, lpCommandLineA,
1255 lpProcessAttributes, lpThreadAttributes,
1256 bInheritHandles, dwCreationFlags,
1257 lpEnvironment, lpCurrentDirectoryA,
1258 &StartupInfoA, lpProcessInfo );
1260 HeapFree( GetProcessHeap(), 0, lpCurrentDirectoryA );
1261 HeapFree( GetProcessHeap(), 0, lpCommandLineA );
1262 HeapFree( GetProcessHeap(), 0, StartupInfoA.lpDesktop );
1263 HeapFree( GetProcessHeap(), 0, StartupInfoA.lpTitle );
1265 return ret;
1268 /***********************************************************************
1269 * GetModuleHandleA (KERNEL32.237)
1271 HMODULE WINAPI GetModuleHandleA(LPCSTR module)
1273 WINE_MODREF *wm;
1275 if ( module == NULL )
1276 wm = PROCESS_Current()->exe_modref;
1277 else
1278 wm = MODULE_FindModule( module );
1280 return wm? wm->module : 0;
1283 /***********************************************************************
1284 * GetModuleHandleW
1286 HMODULE WINAPI GetModuleHandleW(LPCWSTR module)
1288 HMODULE hModule;
1289 LPSTR modulea = HEAP_strdupWtoA( GetProcessHeap(), 0, module );
1290 hModule = GetModuleHandleA( modulea );
1291 HeapFree( GetProcessHeap(), 0, modulea );
1292 return hModule;
1296 /***********************************************************************
1297 * GetModuleFileNameA (KERNEL32.235)
1299 * GetModuleFileNameA seems to *always* return the long path;
1300 * it's only GetModuleFileName16 that decides between short/long path
1301 * by checking if exe version >= 4.0.
1302 * (SDK docu doesn't mention this)
1304 DWORD WINAPI GetModuleFileNameA(
1305 HMODULE hModule, /* [in] module handle (32bit) */
1306 LPSTR lpFileName, /* [out] filenamebuffer */
1307 DWORD size /* [in] size of filenamebuffer */
1308 ) {
1309 WINE_MODREF *wm = MODULE32_LookupHMODULE( hModule );
1311 if (!wm) /* can happen on start up or the like */
1312 return 0;
1314 lstrcpynA( lpFileName, wm->filename, size );
1316 TRACE("%s\n", lpFileName );
1317 return strlen(lpFileName);
1321 /***********************************************************************
1322 * GetModuleFileNameW (KERNEL32.236)
1324 DWORD WINAPI GetModuleFileNameW( HMODULE hModule, LPWSTR lpFileName,
1325 DWORD size )
1327 LPSTR fnA = (char*)HeapAlloc( GetProcessHeap(), 0, size );
1328 DWORD res = GetModuleFileNameA( hModule, fnA, size );
1329 lstrcpynAtoW( lpFileName, fnA, size );
1330 HeapFree( GetProcessHeap(), 0, fnA );
1331 return res;
1335 /***********************************************************************
1336 * LoadLibraryExA (KERNEL32)
1338 HMODULE WINAPI LoadLibraryExA(LPCSTR libname, HANDLE hfile, DWORD flags)
1340 WINE_MODREF *wm;
1342 if(!libname)
1344 SetLastError(ERROR_INVALID_PARAMETER);
1345 return 0;
1348 EnterCriticalSection(&PROCESS_Current()->crit_section);
1350 wm = MODULE_LoadLibraryExA( libname, hfile, flags );
1351 if ( wm )
1353 if ( !MODULE_DllProcessAttach( wm, NULL ) )
1355 WARN_(module)("Attach failed for module '%s', \n", libname);
1356 MODULE_FreeLibrary(wm);
1357 SetLastError(ERROR_DLL_INIT_FAILED);
1358 wm = NULL;
1362 LeaveCriticalSection(&PROCESS_Current()->crit_section);
1364 return wm ? wm->module : 0;
1367 /***********************************************************************
1368 * MODULE_LoadLibraryExA (internal)
1370 * Load a PE style module according to the load order.
1372 * The HFILE parameter is not used and marked reserved in the SDK. I can
1373 * only guess that it should force a file to be mapped, but I rather
1374 * ignore the parameter because it would be extremely difficult to
1375 * integrate this with different types of module represenations.
1378 WINE_MODREF *MODULE_LoadLibraryExA( LPCSTR libname, HFILE hfile, DWORD flags )
1380 DWORD err = GetLastError();
1381 WINE_MODREF *pwm;
1382 int i;
1383 module_loadorder_t *plo;
1385 EnterCriticalSection(&PROCESS_Current()->crit_section);
1387 /* Check for already loaded module */
1388 if((pwm = MODULE_FindModule(libname)))
1390 if(!(pwm->flags & WINE_MODREF_MARKER))
1391 pwm->refCount++;
1392 TRACE("Already loaded module '%s' at 0x%08x, count=%d, \n", libname, pwm->module, pwm->refCount);
1393 LeaveCriticalSection(&PROCESS_Current()->crit_section);
1394 return pwm;
1397 plo = MODULE_GetLoadOrder(libname);
1399 for(i = 0; i < MODULE_LOADORDER_NTYPES; i++)
1401 SetLastError( ERROR_FILE_NOT_FOUND );
1402 switch(plo->loadorder[i])
1404 case MODULE_LOADORDER_DLL:
1405 TRACE("Trying native dll '%s'\n", libname);
1406 pwm = PE_LoadLibraryExA(libname, flags);
1407 break;
1409 case MODULE_LOADORDER_ELFDLL:
1410 TRACE("Trying elfdll '%s'\n", libname);
1411 if (!(pwm = BUILTIN32_LoadLibraryExA(libname, flags)))
1412 pwm = ELFDLL_LoadLibraryExA(libname, flags);
1413 break;
1415 case MODULE_LOADORDER_SO:
1416 TRACE("Trying so-library '%s'\n", libname);
1417 if (!(pwm = BUILTIN32_LoadLibraryExA(libname, flags)))
1418 pwm = ELF_LoadLibraryExA(libname, flags);
1419 break;
1421 case MODULE_LOADORDER_BI:
1422 TRACE("Trying built-in '%s'\n", libname);
1423 pwm = BUILTIN32_LoadLibraryExA(libname, flags);
1424 break;
1426 default:
1427 ERR("Got invalid loadorder type %d (%s index %d)\n", plo->loadorder[i], plo->modulename, i);
1428 /* Fall through */
1430 case MODULE_LOADORDER_INVALID: /* We ignore this as it is an empty entry */
1431 pwm = NULL;
1432 break;
1435 if(pwm)
1437 /* Initialize DLL just loaded */
1438 TRACE("Loaded module '%s' at 0x%08x, \n", libname, pwm->module);
1440 /* Set the refCount here so that an attach failure will */
1441 /* decrement the dependencies through the MODULE_FreeLibrary call. */
1442 pwm->refCount++;
1444 LeaveCriticalSection(&PROCESS_Current()->crit_section);
1445 SetLastError( err ); /* restore last error */
1446 return pwm;
1449 if(GetLastError() != ERROR_FILE_NOT_FOUND)
1450 break;
1453 WARN("Failed to load module '%s'; error=0x%08lx, \n", libname, GetLastError());
1454 LeaveCriticalSection(&PROCESS_Current()->crit_section);
1455 return NULL;
1458 /***********************************************************************
1459 * LoadLibraryA (KERNEL32)
1461 HMODULE WINAPI LoadLibraryA(LPCSTR libname) {
1462 return LoadLibraryExA(libname,0,0);
1465 /***********************************************************************
1466 * LoadLibraryW (KERNEL32)
1468 HMODULE WINAPI LoadLibraryW(LPCWSTR libnameW)
1470 return LoadLibraryExW(libnameW,0,0);
1473 /***********************************************************************
1474 * LoadLibrary32_16 (KERNEL.452)
1476 HMODULE WINAPI LoadLibrary32_16( LPCSTR libname )
1478 HMODULE hModule;
1480 SYSLEVEL_ReleaseWin16Lock();
1481 hModule = LoadLibraryA( libname );
1482 SYSLEVEL_RestoreWin16Lock();
1484 return hModule;
1487 /***********************************************************************
1488 * LoadLibraryExW (KERNEL32)
1490 HMODULE WINAPI LoadLibraryExW(LPCWSTR libnameW,HANDLE hfile,DWORD flags)
1492 LPSTR libnameA = HEAP_strdupWtoA( GetProcessHeap(), 0, libnameW );
1493 HMODULE ret = LoadLibraryExA( libnameA , hfile, flags );
1495 HeapFree( GetProcessHeap(), 0, libnameA );
1496 return ret;
1499 /***********************************************************************
1500 * MODULE_FlushModrefs
1502 * NOTE: Assumes that the process critical section is held!
1504 * Remove all unused modrefs and call the internal unloading routines
1505 * for the library type.
1507 static void MODULE_FlushModrefs(void)
1509 WINE_MODREF *wm, *next;
1511 for(wm = PROCESS_Current()->modref_list; wm; wm = next)
1513 next = wm->next;
1515 if(wm->refCount)
1516 continue;
1518 /* Unlink this modref from the chain */
1519 if(wm->next)
1520 wm->next->prev = wm->prev;
1521 if(wm->prev)
1522 wm->prev->next = wm->next;
1523 if(wm == PROCESS_Current()->modref_list)
1524 PROCESS_Current()->modref_list = wm->next;
1527 * The unloaders are also responsible for freeing the modref itself
1528 * because the loaders were responsible for allocating it.
1530 switch(wm->type)
1532 case MODULE32_PE: PE_UnloadLibrary(wm); break;
1533 case MODULE32_ELF: ELF_UnloadLibrary(wm); break;
1534 case MODULE32_ELFDLL: ELFDLL_UnloadLibrary(wm); break;
1535 case MODULE32_BI: BUILTIN32_UnloadLibrary(wm); break;
1537 default:
1538 ERR("Invalid or unhandled MODREF type %d encountered (wm=%p)\n", wm->type, wm);
1543 /***********************************************************************
1544 * FreeLibrary
1546 BOOL WINAPI FreeLibrary(HINSTANCE hLibModule)
1548 BOOL retv = FALSE;
1549 WINE_MODREF *wm;
1551 EnterCriticalSection( &PROCESS_Current()->crit_section );
1552 PROCESS_Current()->free_lib_count++;
1554 wm = MODULE32_LookupHMODULE( hLibModule );
1555 if ( !wm || !hLibModule )
1556 SetLastError( ERROR_INVALID_HANDLE );
1557 else
1558 retv = MODULE_FreeLibrary( wm );
1560 PROCESS_Current()->free_lib_count--;
1561 LeaveCriticalSection( &PROCESS_Current()->crit_section );
1563 return retv;
1566 /***********************************************************************
1567 * MODULE_DecRefCount
1569 * NOTE: Assumes that the process critical section is held!
1571 static void MODULE_DecRefCount( WINE_MODREF *wm )
1573 int i;
1575 if ( wm->flags & WINE_MODREF_MARKER )
1576 return;
1578 if ( wm->refCount <= 0 )
1579 return;
1581 --wm->refCount;
1582 TRACE("(%s) refCount: %d\n", wm->modname, wm->refCount );
1584 if ( wm->refCount == 0 )
1586 wm->flags |= WINE_MODREF_MARKER;
1588 for ( i = 0; i < wm->nDeps; i++ )
1589 if ( wm->deps[i] )
1590 MODULE_DecRefCount( wm->deps[i] );
1592 wm->flags &= ~WINE_MODREF_MARKER;
1596 /***********************************************************************
1597 * MODULE_FreeLibrary
1599 * NOTE: Assumes that the process critical section is held!
1601 BOOL MODULE_FreeLibrary( WINE_MODREF *wm )
1603 TRACE("(%s) - START\n", wm->modname );
1605 /* Recursively decrement reference counts */
1606 MODULE_DecRefCount( wm );
1608 /* Call process detach notifications */
1609 if ( PROCESS_Current()->free_lib_count <= 1 )
1611 struct unload_dll_request *req = get_req_buffer();
1613 MODULE_DllProcessDetach( FALSE, NULL );
1614 req->base = (void *)wm->module;
1615 server_call_noerr( REQ_UNLOAD_DLL );
1618 TRACE("END\n");
1620 MODULE_FlushModrefs();
1622 return TRUE;
1626 /***********************************************************************
1627 * FreeLibraryAndExitThread
1629 VOID WINAPI FreeLibraryAndExitThread(HINSTANCE hLibModule, DWORD dwExitCode)
1631 FreeLibrary(hLibModule);
1632 ExitThread(dwExitCode);
1635 /***********************************************************************
1636 * PrivateLoadLibrary (KERNEL32)
1638 * FIXME: rough guesswork, don't know what "Private" means
1640 HINSTANCE WINAPI PrivateLoadLibrary(LPCSTR libname)
1642 return (HINSTANCE)LoadLibrary16(libname);
1647 /***********************************************************************
1648 * PrivateFreeLibrary (KERNEL32)
1650 * FIXME: rough guesswork, don't know what "Private" means
1652 void WINAPI PrivateFreeLibrary(HINSTANCE handle)
1654 FreeLibrary16((HINSTANCE16)handle);
1658 /***********************************************************************
1659 * WIN32_GetProcAddress16 (KERNEL32.36)
1660 * Get procaddress in 16bit module from win32... (kernel32 undoc. ordinal func)
1662 FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hModule, LPCSTR name )
1664 WORD ordinal;
1665 FARPROC16 ret;
1667 if (!hModule) {
1668 WARN("hModule may not be 0!\n");
1669 return (FARPROC16)0;
1671 if (HIWORD(hModule))
1673 WARN("hModule is Win32 handle (%08x)\n", hModule );
1674 return (FARPROC16)0;
1676 hModule = GetExePtr( hModule );
1677 if (HIWORD(name)) {
1678 ordinal = NE_GetOrdinal( hModule, name );
1679 TRACE("%04x '%s'\n", hModule, name );
1680 } else {
1681 ordinal = LOWORD(name);
1682 TRACE("%04x %04x\n", hModule, ordinal );
1684 if (!ordinal) return (FARPROC16)0;
1685 ret = NE_GetEntryPoint( hModule, ordinal );
1686 TRACE("returning %08x\n",(UINT)ret);
1687 return ret;
1690 /***********************************************************************
1691 * GetProcAddress16 (KERNEL.50)
1693 FARPROC16 WINAPI GetProcAddress16( HMODULE16 hModule, SEGPTR name )
1695 WORD ordinal;
1696 FARPROC16 ret;
1698 if (!hModule) hModule = GetCurrentTask();
1699 hModule = GetExePtr( hModule );
1701 if (HIWORD(name) != 0)
1703 ordinal = NE_GetOrdinal( hModule, (LPSTR)PTR_SEG_TO_LIN(name) );
1704 TRACE("%04x '%s'\n", hModule, (LPSTR)PTR_SEG_TO_LIN(name) );
1706 else
1708 ordinal = LOWORD(name);
1709 TRACE("%04x %04x\n", hModule, ordinal );
1711 if (!ordinal) return (FARPROC16)0;
1713 ret = NE_GetEntryPoint( hModule, ordinal );
1715 TRACE("returning %08x\n", (UINT)ret );
1716 return ret;
1720 /***********************************************************************
1721 * GetProcAddress (KERNEL32.257)
1723 FARPROC WINAPI GetProcAddress( HMODULE hModule, LPCSTR function )
1725 return MODULE_GetProcAddress( hModule, function, TRUE );
1728 /***********************************************************************
1729 * GetProcAddress32 (KERNEL.453)
1731 FARPROC WINAPI GetProcAddress32_16( HMODULE hModule, LPCSTR function )
1733 return MODULE_GetProcAddress( hModule, function, FALSE );
1736 /***********************************************************************
1737 * MODULE_GetProcAddress (internal)
1739 FARPROC MODULE_GetProcAddress(
1740 HMODULE hModule, /* [in] current module handle */
1741 LPCSTR function, /* [in] function to be looked up */
1742 BOOL snoop )
1744 WINE_MODREF *wm = MODULE32_LookupHMODULE( hModule );
1745 FARPROC retproc;
1747 if (HIWORD(function))
1748 TRACE_(win32)("(%08lx,%s)\n",(DWORD)hModule,function);
1749 else
1750 TRACE_(win32)("(%08lx,%p)\n",(DWORD)hModule,function);
1751 if (!wm) {
1752 SetLastError(ERROR_INVALID_HANDLE);
1753 return (FARPROC)0;
1755 switch (wm->type)
1757 case MODULE32_PE:
1758 retproc = PE_FindExportedFunction( wm, function, snoop );
1759 if (!retproc) SetLastError(ERROR_PROC_NOT_FOUND);
1760 return retproc;
1761 case MODULE32_ELF:
1762 retproc = ELF_FindExportedFunction( wm, function);
1763 if (!retproc) SetLastError(ERROR_PROC_NOT_FOUND);
1764 return retproc;
1765 default:
1766 ERR("wine_modref type %d not handled.\n",wm->type);
1767 SetLastError(ERROR_INVALID_HANDLE);
1768 return (FARPROC)0;
1773 /***********************************************************************
1774 * RtlImageNtHeader (NTDLL)
1776 PIMAGE_NT_HEADERS WINAPI RtlImageNtHeader(HMODULE hModule)
1778 /* basically:
1779 * return hModule+(((IMAGE_DOS_HEADER*)hModule)->e_lfanew);
1780 * but we could get HMODULE16 or the like (think builtin modules)
1783 WINE_MODREF *wm = MODULE32_LookupHMODULE( hModule );
1784 if (!wm || (wm->type != MODULE32_PE)) return (PIMAGE_NT_HEADERS)0;
1785 return PE_HEADER(wm->module);
1789 /***************************************************************************
1790 * HasGPHandler (KERNEL.338)
1793 #include "pshpack1.h"
1794 typedef struct _GPHANDLERDEF
1796 WORD selector;
1797 WORD rangeStart;
1798 WORD rangeEnd;
1799 WORD handler;
1800 } GPHANDLERDEF;
1801 #include "poppack.h"
1803 SEGPTR WINAPI HasGPHandler16( SEGPTR address )
1805 HMODULE16 hModule;
1806 int gpOrdinal;
1807 SEGPTR gpPtr;
1808 GPHANDLERDEF *gpHandler;
1810 if ( (hModule = FarGetOwner16( SELECTOROF(address) )) != 0
1811 && (gpOrdinal = NE_GetOrdinal( hModule, "__GP" )) != 0
1812 && (gpPtr = (SEGPTR)NE_GetEntryPointEx( hModule, gpOrdinal, FALSE )) != 0
1813 && !IsBadReadPtr16( gpPtr, sizeof(GPHANDLERDEF) )
1814 && (gpHandler = PTR_SEG_TO_LIN( gpPtr )) != NULL )
1816 while (gpHandler->selector)
1818 if ( SELECTOROF(address) == gpHandler->selector
1819 && OFFSETOF(address) >= gpHandler->rangeStart
1820 && OFFSETOF(address) < gpHandler->rangeEnd )
1821 return PTR_SEG_OFF_TO_SEGPTR( gpHandler->selector,
1822 gpHandler->handler );
1823 gpHandler++;
1827 return 0;