loader/module.c

   1 /*
   2  * Modules
   3  *
   4  * Copyright 1995 Alexandre Julliard
   5  */
   6
   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 "wine/winbase16.h"
  16 #include "winerror.h"
  17 #include "file.h"
  18 #include "global.h"
  19 #include "heap.h"
  20 #include "module.h"
  21 #include "snoop.h"
  22 #include "neexe.h"
  23 #include "dosexe.h"
  24 #include "process.h"
  25 #include "syslevel.h"
  26 #include "thread.h"
  27 #include "selectors.h"
  28 #include "stackframe.h"
  29 #include "task.h"
  30 #include "debugtools.h"
  31 #include "callback.h"
  32 #include "loadorder.h"
  33 #include "elfdll.h"
  34 #include "server.h"
  35
  36 DEFAULT_DEBUG_CHANNEL(module);
  37 DECLARE_DEBUG_CHANNEL(win32);
  38
  39
  40 /*************************************************************************
  41  *              MODULE32_LookupHMODULE
  42  * looks for the referenced HMODULE in the current process
  43  * NOTE: Assumes that the process critical section is held!
  44  */
  45 static WINE_MODREF *MODULE32_LookupHMODULE( HMODULE hmod )
  46 {
  47     WINE_MODREF *wm;
  48
  49     if (!hmod)
  50         return PROCESS_Current()->exe_modref;
  51
  52     if (!HIWORD(hmod)) {
  53         ERR("tried to lookup 0x%04x in win32 module handler!\n",hmod);
  54         SetLastError( ERROR_INVALID_HANDLE );
  55         return NULL;
  56     }
  57     for ( wm = PROCESS_Current()->modref_list; wm; wm=wm->next )
  58         if (wm->module == hmod)
  59             return wm;
  60     SetLastError( ERROR_INVALID_HANDLE );
  61     return NULL;
  62 }
  63
  64 /*************************************************************************
  65  *              MODULE_AllocModRef
  66  *
  67  * Allocate a WINE_MODREF structure and add it to the process list
  68  * NOTE: Assumes that the process critical section is held!
  69  */
  70 WINE_MODREF *MODULE_AllocModRef( HMODULE hModule, LPCSTR filename )
  71 {
  72     WINE_MODREF *wm;
  73     DWORD len;
  74
  75     if ((wm = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*wm) )))
  76     {
  77         wm->module = hModule;
  78         wm->tlsindex = -1;
  79
  80         wm->filename = HEAP_strdupA( GetProcessHeap(), 0, filename );
  81         if ((wm->modname = strrchr( wm->filename, '\\' ))) wm->modname++;
  82         else wm->modname = wm->filename;
  83
  84         len = GetShortPathNameA( wm->filename, NULL, 0 );
  85         wm->short_filename = (char *)HeapAlloc( GetProcessHeap(), 0, len+1 );
  86         GetShortPathNameA( wm->filename, wm->short_filename, len+1 );
  87         if ((wm->short_modname = strrchr( wm->short_filename, '\\' ))) wm->short_modname++;
  88         else wm->short_modname = wm->short_filename;
  89
  90         wm->next = PROCESS_Current()->modref_list;
  91         if (wm->next) wm->next->prev = wm;
  92         PROCESS_Current()->modref_list = wm;
  93     }
  94     return wm;
  95 }
  96
  97 /*************************************************************************
  98  *              MODULE_InitDLL
  99  */
 100 static BOOL MODULE_InitDLL( WINE_MODREF *wm, DWORD type, LPVOID lpReserved )
 101 {
 102     BOOL retv = TRUE;
 103
 104     static LPCSTR typeName[] = { "PROCESS_DETACH", "PROCESS_ATTACH",
 105                                  "THREAD_ATTACH", "THREAD_DETACH" };
 106     assert( wm );
 107
 108     /* Skip calls for modules loaded with special load flags */
 109
 110     if (wm->flags & WINE_MODREF_DONT_RESOLVE_REFS) return TRUE;
 111
 112     TRACE("(%s,%s,%p) - CALL\n", wm->modname, typeName[type], lpReserved );
 113
 114     /* Call the initialization routine */
 115     retv = PE_InitDLL( wm->module, type, lpReserved );
 116
 117     /* The state of the module list may have changed due to the call
 118        to PE_InitDLL. We cannot assume that this module has not been
 119        deleted.  */
 120     TRACE("(%p,%s,%p) - RETURN %d\n", wm, typeName[type], lpReserved, retv );
 121
 122     return retv;
 123 }
 124
 125 /*************************************************************************
 126  *              MODULE_DllProcessAttach
 127  *
 128  * Send the process attach notification to all DLLs the given module
 129  * depends on (recursively). This is somewhat complicated due to the fact that
 130  *
 131  * - we have to respect the module dependencies, i.e. modules implicitly
 132  *   referenced by another module have to be initialized before the module
 133  *   itself can be initialized
 134  *
 135  * - the initialization routine of a DLL can itself call LoadLibrary,
 136  *   thereby introducing a whole new set of dependencies (even involving
 137  *   the 'old' modules) at any time during the whole process
 138  *
 139  * (Note that this routine can be recursively entered not only directly
 140  *  from itself, but also via LoadLibrary from one of the called initialization
 141  *  routines.)
 142  *
 143  * Furthermore, we need to rearrange the main WINE_MODREF list to allow
 144  * the process *detach* notifications to be sent in the correct order.
 145  * This must not only take into account module dependencies, but also
 146  * 'hidden' dependencies created by modules calling LoadLibrary in their
 147  * attach notification routine.
 148  *
 149  * The strategy is rather simple: we move a WINE_MODREF to the head of the
 150  * list after the attach notification has returned.  This implies that the
 151  * detach notifications are called in the reverse of the sequence the attach
 152  * notifications *returned*.
 153  *
 154  * NOTE: Assumes that the process critical section is held!
 155  *
 156  */
 157 BOOL MODULE_DllProcessAttach( WINE_MODREF *wm, LPVOID lpReserved )
 158 {
 159     BOOL retv = TRUE;
 160     int i;
 161     assert( wm );
 162
 163     /* prevent infinite recursion in case of cyclical dependencies */
 164     if (    ( wm->flags & WINE_MODREF_MARKER )
 165          || ( wm->flags & WINE_MODREF_PROCESS_ATTACHED ) )
 166         return retv;
 167
 168     TRACE("(%s,%p) - START\n", wm->modname, lpReserved );
 169
 170     /* Tag current MODREF to prevent recursive loop */
 171     wm->flags |= WINE_MODREF_MARKER;
 172
 173     /* Recursively attach all DLLs this one depends on */
 174     for ( i = 0; retv && i < wm->nDeps; i++ )
 175         if ( wm->deps[i] )
 176             retv = MODULE_DllProcessAttach( wm->deps[i], lpReserved );
 177
 178     /* Call DLL entry point */
 179     if ( retv )
 180     {
 181         retv = MODULE_InitDLL( wm, DLL_PROCESS_ATTACH, lpReserved );
 182         if ( retv )
 183             wm->flags |= WINE_MODREF_PROCESS_ATTACHED;
 184     }
 185
 186     /* Re-insert MODREF at head of list */
 187     if ( retv && wm->prev )
 188     {
 189         wm->prev->next = wm->next;
 190         if ( wm->next ) wm->next->prev = wm->prev;
 191
 192         wm->prev = NULL;
 193         wm->next = PROCESS_Current()->modref_list;
 194         PROCESS_Current()->modref_list = wm->next->prev = wm;
 195     }
 196
 197     /* Remove recursion flag */
 198     wm->flags &= ~WINE_MODREF_MARKER;
 199
 200     TRACE("(%s,%p) - END\n", wm->modname, lpReserved );
 201
 202     return retv;
 203 }
 204
 205 /*************************************************************************
 206  *              MODULE_DllProcessDetach
 207  *
 208  * Send DLL process detach notifications.  See the comment about calling
 209  * sequence at MODULE_DllProcessAttach.  Unless the bForceDetach flag
 210  * is set, only DLLs with zero refcount are notified.
 211  */
 212 void MODULE_DllProcessDetach( BOOL bForceDetach, LPVOID lpReserved )
 213 {
 214     WINE_MODREF *wm;
 215
 216     EnterCriticalSection( &PROCESS_Current()->crit_section );
 217
 218     do
 219     {
 220         for ( wm = PROCESS_Current()->modref_list; wm; wm = wm->next )
 221         {
 222             /* Check whether to detach this DLL */
 223             if ( !(wm->flags & WINE_MODREF_PROCESS_ATTACHED) )
 224                 continue;
 225             if ( wm->refCount > 0 && !bForceDetach )
 226                 continue;
 227
 228             /* Call detach notification */
 229             wm->flags &= ~WINE_MODREF_PROCESS_ATTACHED;
 230             MODULE_InitDLL( wm, DLL_PROCESS_DETACH, lpReserved );
 231
 232             /* Restart at head of WINE_MODREF list, as entries might have
 233                been added and/or removed while performing the call ... */
 234             break;
 235         }
 236     } while ( wm );
 237
 238     LeaveCriticalSection( &PROCESS_Current()->crit_section );
 239 }
 240
 241 /*************************************************************************
 242  *              MODULE_DllThreadAttach
 243  *
 244  * Send DLL thread attach notifications. These are sent in the
 245  * reverse sequence of process detach notification.
 246  *
 247  */
 248 void MODULE_DllThreadAttach( LPVOID lpReserved )
 249 {
 250     WINE_MODREF *wm;
 251
 252     EnterCriticalSection( &PROCESS_Current()->crit_section );
 253
 254     for ( wm = PROCESS_Current()->modref_list; wm; wm = wm->next )
 255         if ( !wm->next )
 256             break;
 257
 258     for ( ; wm; wm = wm->prev )
 259     {
 260         if ( !(wm->flags & WINE_MODREF_PROCESS_ATTACHED) )
 261             continue;
 262         if ( wm->flags & WINE_MODREF_NO_DLL_CALLS )
 263             continue;
 264
 265         MODULE_InitDLL( wm, DLL_THREAD_ATTACH, lpReserved );
 266     }
 267
 268     LeaveCriticalSection( &PROCESS_Current()->crit_section );
 269 }
 270
 271 /*************************************************************************
 272  *              MODULE_DllThreadDetach
 273  *
 274  * Send DLL thread detach notifications. These are sent in the
 275  * same sequence as process detach notification.
 276  *
 277  */
 278 void MODULE_DllThreadDetach( LPVOID lpReserved )
 279 {
 280     WINE_MODREF *wm;
 281
 282     EnterCriticalSection( &PROCESS_Current()->crit_section );
 283
 284     for ( wm = PROCESS_Current()->modref_list; wm; wm = wm->next )
 285     {
 286         if ( !(wm->flags & WINE_MODREF_PROCESS_ATTACHED) )
 287             continue;
 288         if ( wm->flags & WINE_MODREF_NO_DLL_CALLS )
 289             continue;
 290
 291         MODULE_InitDLL( wm, DLL_THREAD_DETACH, lpReserved );
 292     }
 293
 294     LeaveCriticalSection( &PROCESS_Current()->crit_section );
 295 }
 296
 297 /****************************************************************************
 298  *              DisableThreadLibraryCalls (KERNEL32.74)
 299  *
 300  * Don't call DllEntryPoint for DLL_THREAD_{ATTACH,DETACH} if set.
 301  */
 302 BOOL WINAPI DisableThreadLibraryCalls( HMODULE hModule )
 303 {
 304     WINE_MODREF *wm;
 305     BOOL retval = TRUE;
 306
 307     EnterCriticalSection( &PROCESS_Current()->crit_section );
 308
 309     wm = MODULE32_LookupHMODULE( hModule );
 310     if ( !wm )
 311         retval = FALSE;
 312     else
 313         wm->flags |= WINE_MODREF_NO_DLL_CALLS;
 314
 315     LeaveCriticalSection( &PROCESS_Current()->crit_section );
 316
 317     return retval;
 318 }
 319
 320
 321 /***********************************************************************
 322  *           MODULE_CreateDummyModule
 323  *
 324  * Create a dummy NE module for Win32 or Winelib.
 325  */
 326 HMODULE MODULE_CreateDummyModule( LPCSTR filename, HMODULE module32 )
 327 {
 328     HMODULE hModule;
 329     NE_MODULE *pModule;
 330     SEGTABLEENTRY *pSegment;
 331     char *pStr,*s;
 332     unsigned int len;
 333     const char* basename;
 334     OFSTRUCT *ofs;
 335     int of_size, size;
 336
 337     /* Extract base filename */
 338     basename = strrchr(filename, '\\');
 339     if (!basename) basename = filename;
 340     else basename++;
 341     len = strlen(basename);
 342     if ((s = strchr(basename, '.'))) len = s - basename;
 343
 344     /* Allocate module */
 345     of_size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName)
 346                     + strlen(filename) + 1;
 347     size = sizeof(NE_MODULE) +
 348                  /* loaded file info */
 349                  of_size +
 350                  /* segment table: DS,CS */
 351                  2 * sizeof(SEGTABLEENTRY) +
 352                  /* name table */
 353                  len + 2 +
 354                  /* several empty tables */
 355                  8;
 356
 357     hModule = GlobalAlloc16( GMEM_MOVEABLE | GMEM_ZEROINIT, size );
 358     if (!hModule) return (HMODULE)11;  /* invalid exe */
 359
 360     FarSetOwner16( hModule, hModule );
 361     pModule = (NE_MODULE *)GlobalLock16( hModule );
 362
 363     /* Set all used entries */
 364     pModule->magic            = IMAGE_OS2_SIGNATURE;
 365     pModule->count            = 1;
 366     pModule->next             = 0;
 367     pModule->flags            = 0;
 368     pModule->dgroup           = 0;
 369     pModule->ss               = 1;
 370     pModule->cs               = 2;
 371     pModule->heap_size        = 0;
 372     pModule->stack_size       = 0;
 373     pModule->seg_count        = 2;
 374     pModule->modref_count     = 0;
 375     pModule->nrname_size      = 0;
 376     pModule->fileinfo         = sizeof(NE_MODULE);
 377     pModule->os_flags         = NE_OSFLAGS_WINDOWS;
 378     pModule->self             = hModule;
 379     pModule->module32         = module32;
 380
 381     /* Set version and flags */
 382     if (module32)
 383     {
 384         pModule->expected_version =
 385             ((PE_HEADER(module32)->OptionalHeader.MajorSubsystemVersion & 0xff) << 8 ) |
 386              (PE_HEADER(module32)->OptionalHeader.MinorSubsystemVersion & 0xff);
 387         pModule->flags |= NE_FFLAGS_WIN32;
 388         if (PE_HEADER(module32)->FileHeader.Characteristics & IMAGE_FILE_DLL)
 389             pModule->flags |= NE_FFLAGS_LIBMODULE | NE_FFLAGS_SINGLEDATA;
 390     }
 391
 392     /* Set loaded file information */
 393     ofs = (OFSTRUCT *)(pModule + 1);
 394     memset( ofs, 0, of_size );
 395     ofs->cBytes = of_size < 256 ? of_size : 255;   /* FIXME */
 396     strcpy( ofs->szPathName, filename );
 397
 398     pSegment = (SEGTABLEENTRY*)((char*)(pModule + 1) + of_size);
 399     pModule->seg_table = (int)pSegment - (int)pModule;
 400     /* Data segment */
 401     pSegment->size    = 0;
 402     pSegment->flags   = NE_SEGFLAGS_DATA;
 403     pSegment->minsize = 0x1000;
 404     pSegment++;
 405     /* Code segment */
 406     pSegment->flags   = 0;
 407     pSegment++;
 408
 409     /* Module name */
 410     pStr = (char *)pSegment;
 411     pModule->name_table = (int)pStr - (int)pModule;
 412     assert(len<256);
 413     *pStr = len;
 414     lstrcpynA( pStr+1, basename, len+1 );
 415     pStr += len+2;
 416
 417     /* All tables zero terminated */
 418     pModule->res_table = pModule->import_table = pModule->entry_table =
 419                 (int)pStr - (int)pModule;
 420
 421     NE_RegisterModule( pModule );
 422     return hModule;
 423 }
 424
 425
 426 /**********************************************************************
 427  *          MODULE_FindModule32
 428  *
 429  * Find a (loaded) win32 module depending on path
 430  *
 431  * RETURNS
 432  *      the module handle if found
 433  *      0 if not
 434  */
 435 WINE_MODREF *MODULE_FindModule(
 436         LPCSTR path     /* [in] pathname of module/library to be found */
 437 ) {
 438     WINE_MODREF *wm;
 439     char dllname[260], *p;
 440
 441     /* Append .DLL to name if no extension present */
 442     strcpy( dllname, path );
 443     if (!(p = strrchr( dllname, '.')) || strchr( p, '/' ) || strchr( p, '\\'))
 444             strcat( dllname, ".DLL" );
 445
 446     for ( wm = PROCESS_Current()->modref_list; wm; wm = wm->next )
 447     {
 448         if ( !strcasecmp( dllname, wm->modname ) )
 449             break;
 450         if ( !strcasecmp( dllname, wm->filename ) )
 451             break;
 452         if ( !strcasecmp( dllname, wm->short_modname ) )
 453             break;
 454         if ( !strcasecmp( dllname, wm->short_filename ) )
 455             break;
 456     }
 457
 458     return wm;
 459 }
 460
 461
 462 /* Check whether a file is an OS/2 or a very old Windows executable
 463  * by testing on import of KERNEL.
 464  *
 465  * FIXME: is reading the module imports the only way of discerning
 466  *        old Windows binaries from OS/2 ones ? At least it seems so...
 467  */
 468 static DWORD MODULE_Decide_OS2_OldWin(HANDLE hfile, IMAGE_DOS_HEADER *mz, IMAGE_OS2_HEADER *ne)
 469 {
 470     DWORD currpos = SetFilePointer( hfile, 0, NULL, SEEK_CUR);
 471     DWORD type = SCS_OS216_BINARY;
 472     LPWORD modtab = NULL;
 473     LPSTR nametab = NULL;
 474     DWORD len;
 475     int i;
 476
 477     /* read modref table */
 478     if ( (SetFilePointer( hfile, mz->e_lfanew + ne->ne_modtab, NULL, SEEK_SET ) == -1)
 479       || (!(modtab = HeapAlloc( GetProcessHeap(), 0, ne->ne_cmod*sizeof(WORD))))
 480       || (!(ReadFile(hfile, modtab, ne->ne_cmod*sizeof(WORD), &len, NULL)))
 481       || (len != ne->ne_cmod*sizeof(WORD)) )
 482         goto broken;
 483
 484     /* read imported names table */
 485     if ( (SetFilePointer( hfile, mz->e_lfanew + ne->ne_imptab, NULL, SEEK_SET ) == -1)
 486       || (!(nametab = HeapAlloc( GetProcessHeap(), 0, ne->ne_enttab - ne->ne_imptab)))
 487       || (!(ReadFile(hfile, nametab, ne->ne_enttab - ne->ne_imptab, &len, NULL)))
 488       || (len != ne->ne_enttab - ne->ne_imptab) )
 489         goto broken;
 490
 491     for (i=0; i < ne->ne_cmod; i++)
 492     {
 493         LPSTR module = &nametab[modtab[i]];
 494         TRACE("modref: %.*s\n", module[0], &module[1]);
 495         if (!(strncmp(&module[1], "KERNEL", module[0])))
 496         { /* very old Windows file */
 497             MESSAGE("This seems to be a very old (pre-3.0) Windows executable. Expect crashes, especially if this is a real-mode binary !\n");
 498             type = SCS_WOW_BINARY;
 499             goto good;
 500         }
 501     }
 502
 503 broken:
 504     ERR("Hmm, an error occurred. Is this binary file broken ?\n");
 505
 506 good:
 507     HeapFree( GetProcessHeap(), 0, modtab);
 508     HeapFree( GetProcessHeap(), 0, nametab);
 509     SetFilePointer( hfile, currpos, NULL, SEEK_SET); /* restore filepos */
 510     return type;
 511 }
 512
 513 /***********************************************************************
 514  *           MODULE_GetBinaryType
 515  *
 516  * The GetBinaryType function determines whether a file is executable
 517  * or not and if it is it returns what type of executable it is.
 518  * The type of executable is a property that determines in which
 519  * subsystem an executable file runs under.
 520  *
 521  * Binary types returned:
 522  * SCS_32BIT_BINARY: A Win32 based application
 523  * SCS_DOS_BINARY: An MS-Dos based application
 524  * SCS_WOW_BINARY: A Win16 based application
 525  * SCS_PIF_BINARY: A PIF file that executes an MS-Dos based app
 526  * SCS_POSIX_BINARY: A POSIX based application ( Not implemented )
 527  * SCS_OS216_BINARY: A 16bit OS/2 based application
 528  *
 529  * Returns TRUE if the file is an executable in which case
 530  * the value pointed by lpBinaryType is set.
 531  * Returns FALSE if the file is not an executable or if the function fails.
 532  *
 533  * To do so it opens the file and reads in the header information
 534  * if the extended header information is not present it will
 535  * assume that the file is a DOS executable.
 536  * If the extended header information is present it will
 537  * determine if the file is a 16 or 32 bit Windows executable
 538  * by check the flags in the header.
 539  *
 540  * Note that .COM and .PIF files are only recognized by their
 541  * file name extension; but Windows does it the same way ...
 542  */
 543 BOOL MODULE_GetBinaryType( HANDLE hfile, LPCSTR filename, LPDWORD lpBinaryType )
 544 {
 545     IMAGE_DOS_HEADER mz_header;
 546     char magic[4], *ptr;
 547     DWORD len;
 548
 549     /* Seek to the start of the file and read the DOS header information.
 550      */
 551     if (    SetFilePointer( hfile, 0, NULL, SEEK_SET ) != -1
 552          && ReadFile( hfile, &mz_header, sizeof(mz_header), &len, NULL )
 553          && len == sizeof(mz_header) )
 554     {
 555         /* Now that we have the header check the e_magic field
 556          * to see if this is a dos image.
 557          */
 558         if ( mz_header.e_magic == IMAGE_DOS_SIGNATURE )
 559         {
 560             BOOL lfanewValid = FALSE;
 561             /* We do have a DOS image so we will now try to seek into
 562              * the file by the amount indicated by the field
 563              * "Offset to extended header" and read in the
 564              * "magic" field information at that location.
 565              * This will tell us if there is more header information
 566              * to read or not.
 567              */
 568             /* But before we do we will make sure that header
 569              * structure encompasses the "Offset to extended header"
 570              * field.
 571              */
 572             if ( (mz_header.e_cparhdr<<4) >= sizeof(IMAGE_DOS_HEADER) )
 573                 if ( ( mz_header.e_crlc == 0 ) ||
 574                      ( mz_header.e_lfarlc >= sizeof(IMAGE_DOS_HEADER) ) )
 575                     if (    mz_header.e_lfanew >= sizeof(IMAGE_DOS_HEADER)
 576                          && SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET ) != -1
 577                          && ReadFile( hfile, magic, sizeof(magic), &len, NULL )
 578                          && len == sizeof(magic) )
 579                         lfanewValid = TRUE;
 580
 581             if ( !lfanewValid )
 582             {
 583                 /* If we cannot read this "extended header" we will
 584                  * assume that we have a simple DOS executable.
 585                  */
 586                 *lpBinaryType = SCS_DOS_BINARY;
 587                 return TRUE;
 588             }
 589             else
 590             {
 591                 /* Reading the magic field succeeded so
 592                  * we will try to determine what type it is.
 593                  */
 594                 if ( *(DWORD*)magic      == IMAGE_NT_SIGNATURE )
 595                 {
 596                     /* This is an NT signature.
 597                      */
 598                     *lpBinaryType = SCS_32BIT_BINARY;
 599                     return TRUE;
 600                 }
 601                 else if ( *(WORD*)magic == IMAGE_OS2_SIGNATURE )
 602                 {
 603                     /* The IMAGE_OS2_SIGNATURE indicates that the
 604                      * "extended header is a Windows executable (NE)
 605                      * header."  This can mean either a 16-bit OS/2
 606                      * or a 16-bit Windows or even a DOS program
 607                      * (running under a DOS extender).  To decide
 608                      * which, we'll have to read the NE header.
 609                      */
 610
 611                      IMAGE_OS2_HEADER ne;
 612                      if (    SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET ) != -1
 613                           && ReadFile( hfile, &ne, sizeof(ne), &len, NULL )
 614                           && len == sizeof(ne) )
 615                      {
 616                          switch ( ne.ne_exetyp )
 617                          {
 618                          case 2:  *lpBinaryType = SCS_WOW_BINARY;   return TRUE;
 619                          case 5:  *lpBinaryType = SCS_DOS_BINARY;   return TRUE;
 620                          default: *lpBinaryType =
 621                                   MODULE_Decide_OS2_OldWin(hfile, &mz_header, &ne);
 622                                   return TRUE;
 623                          }
 624                      }
 625                      /* Couldn't read header, so abort. */
 626                      return FALSE;
 627                 }
 628                 else
 629                 {
 630                     /* Unknown extended header, but this file is nonetheless
 631                        DOS-executable.
 632                      */
 633                     *lpBinaryType = SCS_DOS_BINARY;
 634                     return TRUE;
 635                 }
 636             }
 637         }
 638     }
 639
 640     /* If we get here, we don't even have a correct MZ header.
 641      * Try to check the file extension for known types ...
 642      */
 643     ptr = strrchr( filename, '.' );
 644     if ( ptr && !strchr( ptr, '\\' ) && !strchr( ptr, '/' ) )
 645     {
 646         if ( !strcasecmp( ptr, ".COM" ) )
 647         {
 648             *lpBinaryType = SCS_DOS_BINARY;
 649             return TRUE;
 650         }
 651
 652         if ( !strcasecmp( ptr, ".PIF" ) )
 653         {
 654             *lpBinaryType = SCS_PIF_BINARY;
 655             return TRUE;
 656         }
 657     }
 658
 659     return FALSE;
 660 }
 661
 662 /***********************************************************************
 663  *             GetBinaryTypeA                     [KERNEL32.280]
 664  */
 665 BOOL WINAPI GetBinaryTypeA( LPCSTR lpApplicationName, LPDWORD lpBinaryType )
 666 {
 667     BOOL ret = FALSE;
 668     HANDLE hfile;
 669
 670     TRACE_(win32)("%s\n", lpApplicationName );
 671
 672     /* Sanity check.
 673      */
 674     if ( lpApplicationName == NULL || lpBinaryType == NULL )
 675         return FALSE;
 676
 677     /* Open the file indicated by lpApplicationName for reading.
 678      */
 679     hfile = CreateFileA( lpApplicationName, GENERIC_READ, FILE_SHARE_READ,
 680                          NULL, OPEN_EXISTING, 0, -1 );
 681     if ( hfile == INVALID_HANDLE_VALUE )
 682         return FALSE;
 683
 684     /* Check binary type
 685      */
 686     ret = MODULE_GetBinaryType( hfile, lpApplicationName, lpBinaryType );
 687
 688     /* Close the file.
 689      */
 690     CloseHandle( hfile );
 691
 692     return ret;
 693 }
 694
 695 /***********************************************************************
 696  *             GetBinaryTypeW                      [KERNEL32.281]
 697  */
 698 BOOL WINAPI GetBinaryTypeW( LPCWSTR lpApplicationName, LPDWORD lpBinaryType )
 699 {
 700     BOOL ret = FALSE;
 701     LPSTR strNew = NULL;
 702
 703     TRACE_(win32)("%s\n", debugstr_w(lpApplicationName) );
 704
 705     /* Sanity check.
 706      */
 707     if ( lpApplicationName == NULL || lpBinaryType == NULL )
 708         return FALSE;
 709
 710     /* Convert the wide string to a ascii string.
 711      */
 712     strNew = HEAP_strdupWtoA( GetProcessHeap(), 0, lpApplicationName );
 713
 714     if ( strNew != NULL )
 715     {
 716         ret = GetBinaryTypeA( strNew, lpBinaryType );
 717
 718         /* Free the allocated string.
 719          */
 720         HeapFree( GetProcessHeap(), 0, strNew );
 721     }
 722
 723     return ret;
 724 }
 725
 726
 727 /***********************************************************************
 728  *           WinExec16   (KERNEL.166)
 729  */
 730 HINSTANCE16 WINAPI WinExec16( LPCSTR lpCmdLine, UINT16 nCmdShow )
 731 {
 732     LPCSTR p = NULL;
 733     LPSTR name, cmdline;
 734     int len;
 735     HINSTANCE16 ret;
 736     char buffer[MAX_PATH];
 737
 738     if ( ( *lpCmdLine == '"' )  &&  ( p = strchr ( lpCmdLine+1, '"' ) ) )
 739       p = strchr ( p, ' ' );
 740     else
 741       p = strchr( lpCmdLine, ' ' );
 742     if ( p )
 743     {
 744         if (!(name = HeapAlloc( GetProcessHeap(), 0, p - lpCmdLine + 1 )))
 745             return ERROR_NOT_ENOUGH_MEMORY;
 746         memcpy( name, lpCmdLine, p - lpCmdLine );
 747         name[p - lpCmdLine] = 0;
 748         p++;
 749         len = strlen(p);
 750         cmdline = SEGPTR_ALLOC( len + 2 );
 751         cmdline[0] = (BYTE)len;
 752         strcpy( cmdline + 1, p );
 753     }
 754     else
 755     {
 756         name = (LPSTR)lpCmdLine;
 757         cmdline = SEGPTR_ALLOC(2);
 758         cmdline[0] = cmdline[1] = 0;
 759     }
 760
 761     if (SearchPathA( NULL, name, ".exe", sizeof(buffer), buffer, NULL ))
 762     {
 763         LOADPARAMS16 params;
 764         WORD *showCmd = SEGPTR_ALLOC( 2*sizeof(WORD) );
 765         showCmd[0] = 2;
 766         showCmd[1] = nCmdShow;
 767
 768         params.hEnvironment = 0;
 769         params.cmdLine = SEGPTR_GET(cmdline);
 770         params.showCmd = SEGPTR_GET(showCmd);
 771         params.reserved = 0;
 772
 773         ret = LoadModule16( buffer, &params );
 774
 775         SEGPTR_FREE( showCmd );
 776         SEGPTR_FREE( cmdline );
 777     }
 778     else ret = GetLastError();
 779
 780     if (name != lpCmdLine) HeapFree( GetProcessHeap(), 0, name );
 781
 782     if (ret == 21)  /* 32-bit module */
 783     {
 784         SYSLEVEL_ReleaseWin16Lock();
 785         ret = WinExec( lpCmdLine, nCmdShow );
 786         SYSLEVEL_RestoreWin16Lock();
 787     }
 788     return ret;
 789 }
 790
 791 /***********************************************************************
 792  *           WinExec   (KERNEL32.566)
 793  */
 794 HINSTANCE WINAPI WinExec( LPCSTR lpCmdLine, UINT nCmdShow )
 795 {
 796     PROCESS_INFORMATION info;
 797     STARTUPINFOA startup;
 798     HINSTANCE hInstance;
 799     char *cmdline;
 800
 801     memset( &startup, 0, sizeof(startup) );
 802     startup.cb = sizeof(startup);
 803     startup.dwFlags = STARTF_USESHOWWINDOW;
 804     startup.wShowWindow = nCmdShow;
 805
 806     /* cmdline needs to be writeable for CreateProcess */
 807     if (!(cmdline = HEAP_strdupA( GetProcessHeap(), 0, lpCmdLine ))) return 0;
 808
 809     if (CreateProcessA( NULL, cmdline, NULL, NULL, FALSE,
 810                         0, NULL, NULL, &startup, &info ))
 811     {
 812         /* Give 30 seconds to the app to come up */
 813         if (Callout.WaitForInputIdle ( info.hProcess, 30000 ) == 0xFFFFFFFF)
 814             WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
 815         hInstance = 33;
 816         /* Close off the handles */
 817         CloseHandle( info.hThread );
 818         CloseHandle( info.hProcess );
 819     }
 820     else if ((hInstance = GetLastError()) >= 32)
 821     {
 822         FIXME("Strange error set by CreateProcess: %d\n", hInstance );
 823         hInstance = 11;
 824     }
 825     HeapFree( GetProcessHeap(), 0, cmdline );
 826     return hInstance;
 827 }
 828
 829 /**********************************************************************
 830  *          LoadModule    (KERNEL32.499)
 831  */
 832 HINSTANCE WINAPI LoadModule( LPCSTR name, LPVOID paramBlock )
 833 {
 834     LOADPARAMS *params = (LOADPARAMS *)paramBlock;
 835     PROCESS_INFORMATION info;
 836     STARTUPINFOA startup;
 837     HINSTANCE hInstance;
 838     LPSTR cmdline, p;
 839     char filename[MAX_PATH];
 840     BYTE len;
 841
 842     if (!name) return ERROR_FILE_NOT_FOUND;
 843
 844     if (!SearchPathA( NULL, name, ".exe", sizeof(filename), filename, NULL ) &&
 845         !SearchPathA( NULL, name, NULL, sizeof(filename), filename, NULL ))
 846         return GetLastError();
 847
 848     len = (BYTE)params->lpCmdLine[0];
 849     if (!(cmdline = HeapAlloc( GetProcessHeap(), 0, strlen(filename) + len + 2 )))
 850         return ERROR_NOT_ENOUGH_MEMORY;
 851
 852     strcpy( cmdline, filename );
 853     p = cmdline + strlen(cmdline);
 854     *p++ = ' ';
 855     memcpy( p, params->lpCmdLine + 1, len );
 856     p[len] = 0;
 857
 858     memset( &startup, 0, sizeof(startup) );
 859     startup.cb = sizeof(startup);
 860     if (params->lpCmdShow)
 861     {
 862         startup.dwFlags = STARTF_USESHOWWINDOW;
 863         startup.wShowWindow = params->lpCmdShow[1];
 864     }
 865
 866     if (CreateProcessA( filename, cmdline, NULL, NULL, FALSE, 0,
 867                         params->lpEnvAddress, NULL, &startup, &info ))
 868     {
 869         /* Give 30 seconds to the app to come up */
 870         if ( Callout.WaitForInputIdle ( info.hProcess, 30000 ) ==  0xFFFFFFFF )
 871             WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
 872         hInstance = 33;
 873         /* Close off the handles */
 874         CloseHandle( info.hThread );
 875         CloseHandle( info.hProcess );
 876     }
 877     else if ((hInstance = GetLastError()) >= 32)
 878     {
 879         FIXME("Strange error set by CreateProcess: %d\n", hInstance );
 880         hInstance = 11;
 881     }
 882
 883     HeapFree( GetProcessHeap(), 0, cmdline );
 884     return hInstance;
 885 }
 886
 887
 888 /*************************************************************************
 889  *               get_file_name
 890  *
 891  * Helper for CreateProcess: retrieve the file name to load from the
 892  * app name and command line. Store the file name in buffer, and
 893  * return a possibly modified command line.
 894  */
 895 static LPSTR get_file_name( LPCSTR appname, LPSTR cmdline, LPSTR buffer, int buflen )
 896 {
 897     char *name, *pos, *ret = NULL;
 898     const char *p;
 899
 900     /* if we have an app name, everything is easy */
 901
 902     if (appname)
 903     {
 904         /* use the unmodified app name as file name */
 905         lstrcpynA( buffer, appname, buflen );
 906         if (!(ret = cmdline))
 907         {
 908             /* no command-line, create one */
 909             if ((ret = HeapAlloc( GetProcessHeap(), 0, strlen(appname) + 3 )))
 910                 sprintf( ret, "\"%s\"", appname );
 911         }
 912         return ret;
 913     }
 914
 915     if (!cmdline)
 916     {
 917         SetLastError( ERROR_INVALID_PARAMETER );
 918         return NULL;
 919     }
 920
 921     /* first check for a quoted file name */
 922
 923     if ((cmdline[0] == '"') && ((p = strchr( cmdline + 1, '"' ))))
 924     {
 925         int len = p - cmdline - 1;
 926         /* extract the quoted portion as file name */
 927         if (!(name = HeapAlloc( GetProcessHeap(), 0, len + 1 ))) return NULL;
 928         memcpy( name, cmdline + 1, len );
 929         name[len] = 0;
 930
 931         if (SearchPathA( NULL, name, ".exe", buflen, buffer, NULL ) ||
 932             SearchPathA( NULL, name, NULL, buflen, buffer, NULL ))
 933             ret = cmdline;  /* no change necessary */
 934         goto done;
 935     }
 936
 937     /* now try the command-line word by word */
 938
 939     if (!(name = HeapAlloc( GetProcessHeap(), 0, strlen(cmdline) + 1 ))) return NULL;
 940     pos = name;
 941     p = cmdline;
 942
 943     while (*p)
 944     {
 945         do *pos++ = *p++; while (*p && *p != ' ');
 946         *pos = 0;
 947         TRACE("trying '%s'\n", name );
 948         if (SearchPathA( NULL, name, ".exe", buflen, buffer, NULL ) ||
 949             SearchPathA( NULL, name, NULL, buflen, buffer, NULL ))
 950         {
 951             ret = cmdline;
 952             break;
 953         }
 954     }
 955
 956     if (!ret || !strchr( name, ' ' )) goto done;  /* no change necessary */
 957
 958     /* now build a new command-line with quotes */
 959
 960     if (!(ret = HeapAlloc( GetProcessHeap(), 0, strlen(cmdline) + 3 ))) goto done;
 961     sprintf( ret, "\"%s\"%s", name, p );
 962
 963  done:
 964     HeapFree( GetProcessHeap(), 0, name );
 965     return ret;
 966 }
 967
 968
 969 /**********************************************************************
 970  *       CreateProcessA          (KERNEL32.171)
 971  */
 972 BOOL WINAPI CreateProcessA( LPCSTR lpApplicationName, LPSTR lpCommandLine,
 973                             LPSECURITY_ATTRIBUTES lpProcessAttributes,
 974                             LPSECURITY_ATTRIBUTES lpThreadAttributes,
 975                             BOOL bInheritHandles, DWORD dwCreationFlags,
 976                             LPVOID lpEnvironment, LPCSTR lpCurrentDirectory,
 977                             LPSTARTUPINFOA lpStartupInfo,
 978                             LPPROCESS_INFORMATION lpProcessInfo )
 979 {
 980     BOOL retv = FALSE;
 981     HANDLE hFile;
 982     DWORD type;
 983     char name[MAX_PATH];
 984     LPSTR tidy_cmdline;
 985
 986     /* Process the AppName and/or CmdLine to get module name and path */
 987
 988     TRACE("app '%s' cmdline '%s'\n", lpApplicationName, lpCommandLine );
 989
 990     if (!(tidy_cmdline = get_file_name( lpApplicationName, lpCommandLine, name, sizeof(name) )))
 991         return FALSE;
 992
 993     /* Warn if unsupported features are used */
 994
 995     if (dwCreationFlags & DETACHED_PROCESS)
 996         FIXME("(%s,...): DETACHED_PROCESS ignored\n", name);
 997     if (dwCreationFlags & CREATE_NEW_CONSOLE)
 998         FIXME("(%s,...): CREATE_NEW_CONSOLE ignored\n", name);
 999     if (dwCreationFlags & NORMAL_PRIORITY_CLASS)
1000         FIXME("(%s,...): NORMAL_PRIORITY_CLASS ignored\n", name);
1001     if (dwCreationFlags & IDLE_PRIORITY_CLASS)
1002         FIXME("(%s,...): IDLE_PRIORITY_CLASS ignored\n", name);
1003     if (dwCreationFlags & HIGH_PRIORITY_CLASS)
1004         FIXME("(%s,...): HIGH_PRIORITY_CLASS ignored\n", name);
1005     if (dwCreationFlags & REALTIME_PRIORITY_CLASS)
1006         FIXME("(%s,...): REALTIME_PRIORITY_CLASS ignored\n", name);
1007     if (dwCreationFlags & CREATE_NEW_PROCESS_GROUP)
1008         FIXME("(%s,...): CREATE_NEW_PROCESS_GROUP ignored\n", name);
1009     if (dwCreationFlags & CREATE_UNICODE_ENVIRONMENT)
1010         FIXME("(%s,...): CREATE_UNICODE_ENVIRONMENT ignored\n", name);
1011     if (dwCreationFlags & CREATE_SEPARATE_WOW_VDM)
1012         FIXME("(%s,...): CREATE_SEPARATE_WOW_VDM ignored\n", name);
1013     if (dwCreationFlags & CREATE_SHARED_WOW_VDM)
1014         FIXME("(%s,...): CREATE_SHARED_WOW_VDM ignored\n", name);
1015     if (dwCreationFlags & CREATE_DEFAULT_ERROR_MODE)
1016         FIXME("(%s,...): CREATE_DEFAULT_ERROR_MODE ignored\n", name);
1017     if (dwCreationFlags & CREATE_NO_WINDOW)
1018         FIXME("(%s,...): CREATE_NO_WINDOW ignored\n", name);
1019     if (dwCreationFlags & PROFILE_USER)
1020         FIXME("(%s,...): PROFILE_USER ignored\n", name);
1021     if (dwCreationFlags & PROFILE_KERNEL)
1022         FIXME("(%s,...): PROFILE_KERNEL ignored\n", name);
1023     if (dwCreationFlags & PROFILE_SERVER)
1024         FIXME("(%s,...): PROFILE_SERVER ignored\n", name);
1025     if (lpStartupInfo->lpDesktop)
1026         FIXME("(%s,...): lpStartupInfo->lpDesktop %s ignored\n",
1027                       name, lpStartupInfo->lpDesktop);
1028     if (lpStartupInfo->lpTitle)
1029         FIXME("(%s,...): lpStartupInfo->lpTitle %s ignored\n",
1030                       name, lpStartupInfo->lpTitle);
1031     if (lpStartupInfo->dwFlags & STARTF_USECOUNTCHARS)
1032         FIXME("(%s,...): STARTF_USECOUNTCHARS (%ld,%ld) ignored\n",
1033                       name, lpStartupInfo->dwXCountChars, lpStartupInfo->dwYCountChars);
1034     if (lpStartupInfo->dwFlags & STARTF_USEFILLATTRIBUTE)
1035         FIXME("(%s,...): STARTF_USEFILLATTRIBUTE %lx ignored\n",
1036                       name, lpStartupInfo->dwFillAttribute);
1037     if (lpStartupInfo->dwFlags & STARTF_RUNFULLSCREEN)
1038         FIXME("(%s,...): STARTF_RUNFULLSCREEN ignored\n", name);
1039     if (lpStartupInfo->dwFlags & STARTF_FORCEONFEEDBACK)
1040         FIXME("(%s,...): STARTF_FORCEONFEEDBACK ignored\n", name);
1041     if (lpStartupInfo->dwFlags & STARTF_FORCEOFFFEEDBACK)
1042         FIXME("(%s,...): STARTF_FORCEOFFFEEDBACK ignored\n", name);
1043     if (lpStartupInfo->dwFlags & STARTF_USEHOTKEY)
1044         FIXME("(%s,...): STARTF_USEHOTKEY ignored\n", name);
1045
1046     /* Open file and determine executable type */
1047
1048     hFile = CreateFileA( name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, -1 );
1049     if (hFile == INVALID_HANDLE_VALUE) goto done;
1050
1051     if ( !MODULE_GetBinaryType( hFile, name, &type ) )
1052     {
1053         CloseHandle( hFile );
1054         retv = PROCESS_Create( -1, name, tidy_cmdline, lpEnvironment,
1055                                lpProcessAttributes, lpThreadAttributes,
1056                                bInheritHandles, dwCreationFlags,
1057                                lpStartupInfo, lpProcessInfo, lpCurrentDirectory );
1058         goto done;
1059     }
1060
1061     /* Create process */
1062
1063     switch ( type )
1064     {
1065     case SCS_32BIT_BINARY:
1066     case SCS_WOW_BINARY:
1067     case SCS_DOS_BINARY:
1068         retv = PROCESS_Create( hFile, name, tidy_cmdline, lpEnvironment,
1069                                lpProcessAttributes, lpThreadAttributes,
1070                                bInheritHandles, dwCreationFlags,
1071                                lpStartupInfo, lpProcessInfo, lpCurrentDirectory);
1072         break;
1073
1074     case SCS_PIF_BINARY:
1075     case SCS_POSIX_BINARY:
1076     case SCS_OS216_BINARY:
1077         FIXME("Unsupported executable type: %ld\n", type );
1078         /* fall through */
1079
1080     default:
1081         SetLastError( ERROR_BAD_FORMAT );
1082         break;
1083     }
1084     CloseHandle( hFile );
1085
1086  done:
1087     if (tidy_cmdline != lpCommandLine) HeapFree( GetProcessHeap(), 0, tidy_cmdline );
1088     return retv;
1089 }
1090
1091 /**********************************************************************
1092  *       CreateProcessW          (KERNEL32.172)
1093  * NOTES
1094  *  lpReserved is not converted
1095  */
1096 BOOL WINAPI CreateProcessW( LPCWSTR lpApplicationName, LPWSTR lpCommandLine,
1097                                 LPSECURITY_ATTRIBUTES lpProcessAttributes,
1098                                 LPSECURITY_ATTRIBUTES lpThreadAttributes,
1099                                 BOOL bInheritHandles, DWORD dwCreationFlags,
1100                                 LPVOID lpEnvironment, LPCWSTR lpCurrentDirectory,
1101                                 LPSTARTUPINFOW lpStartupInfo,
1102                                 LPPROCESS_INFORMATION lpProcessInfo )
1103 {   BOOL ret;
1104     STARTUPINFOA StartupInfoA;
1105
1106     LPSTR lpApplicationNameA = HEAP_strdupWtoA (GetProcessHeap(),0,lpApplicationName);
1107     LPSTR lpCommandLineA = HEAP_strdupWtoA (GetProcessHeap(),0,lpCommandLine);
1108     LPSTR lpCurrentDirectoryA = HEAP_strdupWtoA (GetProcessHeap(),0,lpCurrentDirectory);
1109
1110     memcpy (&StartupInfoA, lpStartupInfo, sizeof(STARTUPINFOA));
1111     StartupInfoA.lpDesktop = HEAP_strdupWtoA (GetProcessHeap(),0,lpStartupInfo->lpDesktop);
1112     StartupInfoA.lpTitle = HEAP_strdupWtoA (GetProcessHeap(),0,lpStartupInfo->lpTitle);
1113
1114     TRACE_(win32)("(%s,%s,...)\n", debugstr_w(lpApplicationName), debugstr_w(lpCommandLine));
1115
1116     if (lpStartupInfo->lpReserved)
1117       FIXME_(win32)("StartupInfo.lpReserved is used, please report (%s)\n", debugstr_w(lpStartupInfo->lpReserved));
1118
1119     ret = CreateProcessA(  lpApplicationNameA,  lpCommandLineA,
1120                              lpProcessAttributes, lpThreadAttributes,
1121                              bInheritHandles, dwCreationFlags,
1122                              lpEnvironment, lpCurrentDirectoryA,
1123                              &StartupInfoA, lpProcessInfo );
1124
1125     HeapFree( GetProcessHeap(), 0, lpCurrentDirectoryA );
1126     HeapFree( GetProcessHeap(), 0, lpCommandLineA );
1127     HeapFree( GetProcessHeap(), 0, StartupInfoA.lpDesktop );
1128     HeapFree( GetProcessHeap(), 0, StartupInfoA.lpTitle );
1129
1130     return ret;
1131 }
1132
1133 /***********************************************************************
1134  *              GetModuleHandleA         (KERNEL32.237)
1135  */
1136 HMODULE WINAPI GetModuleHandleA(LPCSTR module)
1137 {
1138     WINE_MODREF *wm;
1139
1140     if ( module == NULL )
1141         wm = PROCESS_Current()->exe_modref;
1142     else
1143         wm = MODULE_FindModule( module );
1144
1145     return wm? wm->module : 0;
1146 }
1147
1148 /***********************************************************************
1149  *              GetModuleHandleW
1150  */
1151 HMODULE WINAPI GetModuleHandleW(LPCWSTR module)
1152 {
1153     HMODULE hModule;
1154     LPSTR modulea = HEAP_strdupWtoA( GetProcessHeap(), 0, module );
1155     hModule = GetModuleHandleA( modulea );
1156     HeapFree( GetProcessHeap(), 0, modulea );
1157     return hModule;
1158 }
1159
1160
1161 /***********************************************************************
1162  *              GetModuleFileNameA      (KERNEL32.235)
1163  *
1164  * GetModuleFileNameA seems to *always* return the long path;
1165  * it's only GetModuleFileName16 that decides between short/long path
1166  * by checking if exe version >= 4.0.
1167  * (SDK docu doesn't mention this)
1168  */
1169 DWORD WINAPI GetModuleFileNameA(
1170         HMODULE hModule,        /* [in] module handle (32bit) */
1171         LPSTR lpFileName,       /* [out] filenamebuffer */
1172         DWORD size )            /* [in] size of filenamebuffer */
1173 {
1174     WINE_MODREF *wm;
1175
1176     EnterCriticalSection( &PROCESS_Current()->crit_section );
1177
1178     lpFileName[0] = 0;
1179     if ((wm = MODULE32_LookupHMODULE( hModule )))
1180         lstrcpynA( lpFileName, wm->filename, size );
1181
1182     LeaveCriticalSection( &PROCESS_Current()->crit_section );
1183     TRACE("%s\n", lpFileName );
1184     return strlen(lpFileName);
1185 }
1186
1187
1188 /***********************************************************************
1189  *              GetModuleFileNameW      (KERNEL32.236)
1190  */
1191 DWORD WINAPI GetModuleFileNameW( HMODULE hModule, LPWSTR lpFileName,
1192                                    DWORD size )
1193 {
1194     LPSTR fnA = (char*)HeapAlloc( GetProcessHeap(), 0, size );
1195     DWORD res = GetModuleFileNameA( hModule, fnA, size );
1196     lstrcpynAtoW( lpFileName, fnA, size );
1197     HeapFree( GetProcessHeap(), 0, fnA );
1198     return res;
1199 }
1200
1201
1202 /***********************************************************************
1203  *           LoadLibraryExA   (KERNEL32)
1204  */
1205 HMODULE WINAPI LoadLibraryExA(LPCSTR libname, HANDLE hfile, DWORD flags)
1206 {
1207         WINE_MODREF *wm;
1208
1209         if(!libname)
1210         {
1211                 SetLastError(ERROR_INVALID_PARAMETER);
1212                 return 0;
1213         }
1214
1215         if (flags & LOAD_LIBRARY_AS_DATAFILE)
1216         {
1217             char filename[256];
1218             HFILE hFile;
1219             HMODULE hmod = 0;
1220
1221             if (!SearchPathA( NULL, libname, ".dll", sizeof(filename), filename, NULL ))
1222                 return 0;
1223             /* FIXME: maybe we should use the hfile parameter instead */
1224             hFile = CreateFileA( filename, GENERIC_READ, FILE_SHARE_READ,
1225                                  NULL, OPEN_EXISTING, 0, -1 );
1226             if (hFile != INVALID_HANDLE_VALUE)
1227             {
1228                 hmod = PE_LoadImage( hFile, filename, flags );
1229                 CloseHandle( hFile );
1230             }
1231             return hmod;
1232         }
1233
1234         EnterCriticalSection(&PROCESS_Current()->crit_section);
1235
1236         wm = MODULE_LoadLibraryExA( libname, hfile, flags );
1237         if ( wm )
1238         {
1239                 if ( !MODULE_DllProcessAttach( wm, NULL ) )
1240                 {
1241                         WARN_(module)("Attach failed for module '%s', \n", libname);
1242                         MODULE_FreeLibrary(wm);
1243                         SetLastError(ERROR_DLL_INIT_FAILED);
1244                         wm = NULL;
1245                 }
1246         }
1247
1248         LeaveCriticalSection(&PROCESS_Current()->crit_section);
1249
1250         return wm ? wm->module : 0;
1251 }
1252
1253 /***********************************************************************
1254  *      MODULE_LoadLibraryExA   (internal)
1255  *
1256  * Load a PE style module according to the load order.
1257  *
1258  * The HFILE parameter is not used and marked reserved in the SDK. I can
1259  * only guess that it should force a file to be mapped, but I rather
1260  * ignore the parameter because it would be extremely difficult to
1261  * integrate this with different types of module represenations.
1262  *
1263  */
1264 WINE_MODREF *MODULE_LoadLibraryExA( LPCSTR libname, HFILE hfile, DWORD flags )
1265 {
1266         DWORD err = GetLastError();
1267         WINE_MODREF *pwm;
1268         int i;
1269         module_loadorder_t *plo;
1270
1271         EnterCriticalSection(&PROCESS_Current()->crit_section);
1272
1273         /* Check for already loaded module */
1274         if((pwm = MODULE_FindModule(libname)))
1275         {
1276                 if(!(pwm->flags & WINE_MODREF_MARKER))
1277                         pwm->refCount++;
1278
1279                 if ((pwm->flags & WINE_MODREF_DONT_RESOLVE_REFS) &&
1280                     !(flags & DONT_RESOLVE_DLL_REFERENCES))
1281                 {
1282                     extern DWORD fixup_imports(WINE_MODREF *wm); /*FIXME*/
1283                     pwm->flags &= ~WINE_MODREF_DONT_RESOLVE_REFS;
1284                     fixup_imports( pwm );
1285                 }
1286                 TRACE("Already loaded module '%s' at 0x%08x, count=%d, \n", libname, pwm->module, pwm->refCount);
1287                 LeaveCriticalSection(&PROCESS_Current()->crit_section);
1288                 return pwm;
1289         }
1290
1291         plo = MODULE_GetLoadOrder(libname);
1292
1293         for(i = 0; i < MODULE_LOADORDER_NTYPES; i++)
1294         {
1295                 SetLastError( ERROR_FILE_NOT_FOUND );
1296                 switch(plo->loadorder[i])
1297                 {
1298                 case MODULE_LOADORDER_DLL:
1299                         TRACE("Trying native dll '%s'\n", libname);
1300                         pwm = PE_LoadLibraryExA(libname, flags);
1301                         break;
1302
1303                 case MODULE_LOADORDER_ELFDLL:
1304                         TRACE("Trying elfdll '%s'\n", libname);
1305                         if (!(pwm = BUILTIN32_LoadLibraryExA(libname, flags)))
1306                             pwm = ELFDLL_LoadLibraryExA(libname, flags);
1307                         break;
1308
1309                 case MODULE_LOADORDER_SO:
1310                         TRACE("Trying so-library '%s'\n", libname);
1311                         if (!(pwm = BUILTIN32_LoadLibraryExA(libname, flags)))
1312                             pwm = ELF_LoadLibraryExA(libname, flags);
1313                         break;
1314
1315                 case MODULE_LOADORDER_BI:
1316                         TRACE("Trying built-in '%s'\n", libname);
1317                         pwm = BUILTIN32_LoadLibraryExA(libname, flags);
1318                         break;
1319
1320                 default:
1321                         ERR("Got invalid loadorder type %d (%s index %d)\n", plo->loadorder[i], plo->modulename, i);
1322                 /* Fall through */
1323
1324                 case MODULE_LOADORDER_INVALID:  /* We ignore this as it is an empty entry */
1325                         pwm = NULL;
1326                         break;
1327                 }
1328
1329                 if(pwm)
1330                 {
1331                         /* Initialize DLL just loaded */
1332                         TRACE("Loaded module '%s' at 0x%08x, \n", libname, pwm->module);
1333
1334                         /* Set the refCount here so that an attach failure will */
1335                         /* decrement the dependencies through the MODULE_FreeLibrary call. */
1336                         pwm->refCount++;
1337
1338                         LeaveCriticalSection(&PROCESS_Current()->crit_section);
1339                         SetLastError( err );  /* restore last error */
1340                         return pwm;
1341                 }
1342
1343                 if(GetLastError() != ERROR_FILE_NOT_FOUND)
1344                         break;
1345         }
1346
1347         WARN("Failed to load module '%s'; error=0x%08lx, \n", libname, GetLastError());
1348         LeaveCriticalSection(&PROCESS_Current()->crit_section);
1349         return NULL;
1350 }
1351
1352 /***********************************************************************
1353  *           LoadLibraryA         (KERNEL32)
1354  */
1355 HMODULE WINAPI LoadLibraryA(LPCSTR libname) {
1356         return LoadLibraryExA(libname,0,0);
1357 }
1358
1359 /***********************************************************************
1360  *           LoadLibraryW         (KERNEL32)
1361  */
1362 HMODULE WINAPI LoadLibraryW(LPCWSTR libnameW)
1363 {
1364     return LoadLibraryExW(libnameW,0,0);
1365 }
1366
1367 /***********************************************************************
1368  *           LoadLibrary32_16   (KERNEL.452)
1369  */
1370 HMODULE WINAPI LoadLibrary32_16( LPCSTR libname )
1371 {
1372     HMODULE hModule;
1373
1374     SYSLEVEL_ReleaseWin16Lock();
1375     hModule = LoadLibraryA( libname );
1376     SYSLEVEL_RestoreWin16Lock();
1377
1378     return hModule;
1379 }
1380
1381 /***********************************************************************
1382  *           LoadLibraryExW       (KERNEL32)
1383  */
1384 HMODULE WINAPI LoadLibraryExW(LPCWSTR libnameW,HANDLE hfile,DWORD flags)
1385 {
1386     LPSTR libnameA = HEAP_strdupWtoA( GetProcessHeap(), 0, libnameW );
1387     HMODULE ret = LoadLibraryExA( libnameA , hfile, flags );
1388
1389     HeapFree( GetProcessHeap(), 0, libnameA );
1390     return ret;
1391 }
1392
1393 /***********************************************************************
1394  *           MODULE_FlushModrefs
1395  *
1396  * NOTE: Assumes that the process critical section is held!
1397  *
1398  * Remove all unused modrefs and call the internal unloading routines
1399  * for the library type.
1400  */
1401 static void MODULE_FlushModrefs(void)
1402 {
1403         WINE_MODREF *wm, *next;
1404
1405         for(wm = PROCESS_Current()->modref_list; wm; wm = next)
1406         {
1407                 next = wm->next;
1408
1409                 if(wm->refCount)
1410                         continue;
1411
1412                 /* Unlink this modref from the chain */
1413                 if(wm->next)
1414                         wm->next->prev = wm->prev;
1415                 if(wm->prev)
1416                         wm->prev->next = wm->next;
1417                 if(wm == PROCESS_Current()->modref_list)
1418                         PROCESS_Current()->modref_list = wm->next;
1419
1420                 TRACE(" unloading %s\n", wm->filename);
1421                 /* VirtualFree( (LPVOID)wm->module, 0, MEM_RELEASE ); */  /* FIXME */
1422                 /* if (wm->dlhandle) dlclose( wm->dlhandle ); */  /* FIXME */
1423                 HeapFree( GetProcessHeap(), 0, wm->filename );
1424                 HeapFree( GetProcessHeap(), 0, wm->short_filename );
1425                 HeapFree( GetProcessHeap(), 0, wm );
1426         }
1427 }
1428
1429 /***********************************************************************
1430  *           FreeLibrary
1431  */
1432 BOOL WINAPI FreeLibrary(HINSTANCE hLibModule)
1433 {
1434     BOOL retv = FALSE;
1435     WINE_MODREF *wm;
1436
1437     EnterCriticalSection( &PROCESS_Current()->crit_section );
1438     PROCESS_Current()->free_lib_count++;
1439
1440     wm = MODULE32_LookupHMODULE( hLibModule );
1441     if ( !wm || !hLibModule )
1442         SetLastError( ERROR_INVALID_HANDLE );
1443     else
1444         retv = MODULE_FreeLibrary( wm );
1445
1446     PROCESS_Current()->free_lib_count--;
1447     LeaveCriticalSection( &PROCESS_Current()->crit_section );
1448
1449     return retv;
1450 }
1451
1452 /***********************************************************************
1453  *           MODULE_DecRefCount
1454  *
1455  * NOTE: Assumes that the process critical section is held!
1456  */
1457 static void MODULE_DecRefCount( WINE_MODREF *wm )
1458 {
1459     int i;
1460
1461     if ( wm->flags & WINE_MODREF_MARKER )
1462         return;
1463
1464     if ( wm->refCount <= 0 )
1465         return;
1466
1467     --wm->refCount;
1468     TRACE("(%s) refCount: %d\n", wm->modname, wm->refCount );
1469
1470     if ( wm->refCount == 0 )
1471     {
1472         wm->flags |= WINE_MODREF_MARKER;
1473
1474         for ( i = 0; i < wm->nDeps; i++ )
1475             if ( wm->deps[i] )
1476                 MODULE_DecRefCount( wm->deps[i] );
1477
1478         wm->flags &= ~WINE_MODREF_MARKER;
1479     }
1480 }
1481
1482 /***********************************************************************
1483  *           MODULE_FreeLibrary
1484  *
1485  * NOTE: Assumes that the process critical section is held!
1486  */
1487 BOOL MODULE_FreeLibrary( WINE_MODREF *wm )
1488 {
1489     TRACE("(%s) - START\n", wm->modname );
1490
1491     /* Recursively decrement reference counts */
1492     MODULE_DecRefCount( wm );
1493
1494     /* Call process detach notifications */
1495     if ( PROCESS_Current()->free_lib_count <= 1 )
1496     {
1497         struct unload_dll_request *req = get_req_buffer();
1498
1499         MODULE_DllProcessDetach( FALSE, NULL );
1500         req->base = (void *)wm->module;
1501         server_call_noerr( REQ_UNLOAD_DLL );
1502
1503         MODULE_FlushModrefs();
1504     }
1505
1506     TRACE("END\n");
1507
1508     return TRUE;
1509 }
1510
1511
1512 /***********************************************************************
1513  *           FreeLibraryAndExitThread
1514  */
1515 VOID WINAPI FreeLibraryAndExitThread(HINSTANCE hLibModule, DWORD dwExitCode)
1516 {
1517     FreeLibrary(hLibModule);
1518     ExitThread(dwExitCode);
1519 }
1520
1521 /***********************************************************************
1522  *           PrivateLoadLibrary       (KERNEL32)
1523  *
1524  * FIXME: rough guesswork, don't know what "Private" means
1525  */
1526 HINSTANCE WINAPI PrivateLoadLibrary(LPCSTR libname)
1527 {
1528         return (HINSTANCE)LoadLibrary16(libname);
1529 }
1530
1531
1532
1533 /***********************************************************************
1534  *           PrivateFreeLibrary       (KERNEL32)
1535  *
1536  * FIXME: rough guesswork, don't know what "Private" means
1537  */
1538 void WINAPI PrivateFreeLibrary(HINSTANCE handle)
1539 {
1540         FreeLibrary16((HINSTANCE16)handle);
1541 }
1542
1543
1544 /***********************************************************************
1545  *           WIN32_GetProcAddress16   (KERNEL32.36)
1546  * Get procaddress in 16bit module from win32... (kernel32 undoc. ordinal func)
1547  */
1548 FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hModule, LPCSTR name )
1549 {
1550     WORD        ordinal;
1551     FARPROC16   ret;
1552
1553     if (!hModule) {
1554         WARN("hModule may not be 0!\n");
1555         return (FARPROC16)0;
1556     }
1557     if (HIWORD(hModule))
1558     {
1559         WARN("hModule is Win32 handle (%08x)\n", hModule );
1560         return (FARPROC16)0;
1561     }
1562     hModule = GetExePtr( hModule );
1563     if (HIWORD(name)) {
1564         ordinal = NE_GetOrdinal( hModule, name );
1565         TRACE("%04x '%s'\n", hModule, name );
1566     } else {
1567         ordinal = LOWORD(name);
1568         TRACE("%04x %04x\n", hModule, ordinal );
1569     }
1570     if (!ordinal) return (FARPROC16)0;
1571     ret = NE_GetEntryPoint( hModule, ordinal );
1572     TRACE("returning %08x\n",(UINT)ret);
1573     return ret;
1574 }
1575
1576 /***********************************************************************
1577  *           GetProcAddress16   (KERNEL.50)
1578  */
1579 FARPROC16 WINAPI GetProcAddress16( HMODULE16 hModule, SEGPTR name )
1580 {
1581     WORD ordinal;
1582     FARPROC16 ret;
1583
1584     if (!hModule) hModule = GetCurrentTask();
1585     hModule = GetExePtr( hModule );
1586
1587     if (HIWORD(name) != 0)
1588     {
1589         ordinal = NE_GetOrdinal( hModule, (LPSTR)PTR_SEG_TO_LIN(name) );
1590         TRACE("%04x '%s'\n", hModule, (LPSTR)PTR_SEG_TO_LIN(name) );
1591     }
1592     else
1593     {
1594         ordinal = LOWORD(name);
1595         TRACE("%04x %04x\n", hModule, ordinal );
1596     }
1597     if (!ordinal) return (FARPROC16)0;
1598
1599     ret = NE_GetEntryPoint( hModule, ordinal );
1600
1601     TRACE("returning %08x\n", (UINT)ret );
1602     return ret;
1603 }
1604
1605
1606 /***********************************************************************
1607  *           GetProcAddress             (KERNEL32.257)
1608  */
1609 FARPROC WINAPI GetProcAddress( HMODULE hModule, LPCSTR function )
1610 {
1611     return MODULE_GetProcAddress( hModule, function, TRUE );
1612 }
1613
1614 /***********************************************************************
1615  *           GetProcAddress32                   (KERNEL.453)
1616  */
1617 FARPROC WINAPI GetProcAddress32_16( HMODULE hModule, LPCSTR function )
1618 {
1619     return MODULE_GetProcAddress( hModule, function, FALSE );
1620 }
1621
1622 /***********************************************************************
1623  *           MODULE_GetProcAddress              (internal)
1624  */
1625 FARPROC MODULE_GetProcAddress(
1626         HMODULE hModule,        /* [in] current module handle */
1627         LPCSTR function,        /* [in] function to be looked up */
1628         BOOL snoop )
1629 {
1630     WINE_MODREF *wm;
1631     FARPROC     retproc = 0;
1632
1633     if (HIWORD(function))
1634         TRACE_(win32)("(%08lx,%s)\n",(DWORD)hModule,function);
1635     else
1636         TRACE_(win32)("(%08lx,%p)\n",(DWORD)hModule,function);
1637
1638     EnterCriticalSection( &PROCESS_Current()->crit_section );
1639     if ((wm = MODULE32_LookupHMODULE( hModule )))
1640     {
1641         retproc = wm->find_export( wm, function, snoop );
1642         if (!retproc) SetLastError(ERROR_PROC_NOT_FOUND);
1643     }
1644     LeaveCriticalSection( &PROCESS_Current()->crit_section );
1645     return retproc;
1646 }
1647
1648
1649 /***************************************************************************
1650  *              HasGPHandler                    (KERNEL.338)
1651  */
1652
1653 #include "pshpack1.h"
1654 typedef struct _GPHANDLERDEF
1655 {
1656     WORD selector;
1657     WORD rangeStart;
1658     WORD rangeEnd;
1659     WORD handler;
1660 } GPHANDLERDEF;
1661 #include "poppack.h"
1662
1663 SEGPTR WINAPI HasGPHandler16( SEGPTR address )
1664 {
1665     HMODULE16 hModule;
1666     int gpOrdinal;
1667     SEGPTR gpPtr;
1668     GPHANDLERDEF *gpHandler;
1669
1670     if (    (hModule = FarGetOwner16( SELECTOROF(address) )) != 0
1671          && (gpOrdinal = NE_GetOrdinal( hModule, "__GP" )) != 0
1672          && (gpPtr = (SEGPTR)NE_GetEntryPointEx( hModule, gpOrdinal, FALSE )) != 0
1673          && !IsBadReadPtr16( gpPtr, sizeof(GPHANDLERDEF) )
1674          && (gpHandler = PTR_SEG_TO_LIN( gpPtr )) != NULL )
1675     {
1676         while (gpHandler->selector)
1677         {
1678             if (    SELECTOROF(address) == gpHandler->selector
1679                  && OFFSETOF(address)   >= gpHandler->rangeStart
1680                  && OFFSETOF(address)   <  gpHandler->rangeEnd  )
1681                 return PTR_SEG_OFF_TO_SEGPTR( gpHandler->selector,
1682                                               gpHandler->handler );
1683             gpHandler++;
1684         }
1685     }
1686
1687     return 0;
1688 }
1689