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 "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"
  38
  39 DEFAULT_DEBUG_CHANNEL(module);
  40 DECLARE_DEBUG_CHANNEL(win32);
  41
  42
  43 /*************************************************************************
  44  *              MODULE32_LookupHMODULE
  45  * looks for the referenced HMODULE in the current process
  46  */
  47 WINE_MODREF *MODULE32_LookupHMODULE( HMODULE hmod )
  48 {
  49     WINE_MODREF *wm;
  50
  51     if (!hmod)
  52         return PROCESS_Current()->exe_modref;
  53
  54     if (!HIWORD(hmod)) {
  55         ERR("tried to lookup 0x%04x in win32 module handler!\n",hmod);
  56         return NULL;
  57     }
  58     for ( wm = PROCESS_Current()->modref_list; wm; wm=wm->next )
  59         if (wm->module == hmod)
  60             return wm;
  61     return NULL;
  62 }
  63
  64 /*************************************************************************
  65  *              MODULE_InitDLL
  66  */
  67 static BOOL MODULE_InitDLL( WINE_MODREF *wm, DWORD type, LPVOID lpReserved )
  68 {
  69     BOOL retv = TRUE;
  70
  71     static LPCSTR typeName[] = { "PROCESS_DETACH", "PROCESS_ATTACH",
  72                                  "THREAD_ATTACH", "THREAD_DETACH" };
  73     assert( wm );
  74
  75
  76     /* Skip calls for modules loaded with special load flags */
  77
  78     if (    ( wm->flags & WINE_MODREF_DONT_RESOLVE_REFS )
  79          || ( wm->flags & WINE_MODREF_LOAD_AS_DATAFILE ) )
  80         return TRUE;
  81
  82
  83     TRACE("(%s,%s,%p) - CALL\n", wm->modname, typeName[type], lpReserved );
  84
  85     /* Call the initialization routine */
  86     switch ( wm->type )
  87     {
  88     case MODULE32_PE:
  89         retv = PE_InitDLL( wm, type, lpReserved );
  90         break;
  91
  92     case MODULE32_ELF:
  93         /* no need to do that, dlopen() already does */
  94         break;
  95
  96     default:
  97         ERR("wine_modref type %d not handled.\n", wm->type );
  98         retv = FALSE;
  99         break;
 100     }
 101
 102     /* The state of the module list may have changed due to the call
 103        to PE_InitDLL. We cannot assume that this module has not been
 104        deleted.  */
 105     TRACE("(%p,%s,%p) - RETURN %d\n", wm, typeName[type], lpReserved, retv );
 106
 107     return retv;
 108 }
 109
 110 /*************************************************************************
 111  *              MODULE_DllProcessAttach
 112  *
 113  * Send the process attach notification to all DLLs the given module
 114  * depends on (recursively). This is somewhat complicated due to the fact that
 115  *
 116  * - we have to respect the module dependencies, i.e. modules implicitly
 117  *   referenced by another module have to be initialized before the module
 118  *   itself can be initialized
 119  *
 120  * - the initialization routine of a DLL can itself call LoadLibrary,
 121  *   thereby introducing a whole new set of dependencies (even involving
 122  *   the 'old' modules) at any time during the whole process
 123  *
 124  * (Note that this routine can be recursively entered not only directly
 125  *  from itself, but also via LoadLibrary from one of the called initialization
 126  *  routines.)
 127  *
 128  * Furthermore, we need to rearrange the main WINE_MODREF list to allow
 129  * the process *detach* notifications to be sent in the correct order.
 130  * This must not only take into account module dependencies, but also
 131  * 'hidden' dependencies created by modules calling LoadLibrary in their
 132  * attach notification routine.
 133  *
 134  * The strategy is rather simple: we move a WINE_MODREF to the head of the
 135  * list after the attach notification has returned.  This implies that the
 136  * detach notifications are called in the reverse of the sequence the attach
 137  * notifications *returned*.
 138  *
 139  * NOTE: Assumes that the process critical section is held!
 140  *
 141  */
 142 BOOL MODULE_DllProcessAttach( WINE_MODREF *wm, LPVOID lpReserved )
 143 {
 144     BOOL retv = TRUE;
 145     int i;
 146     assert( wm );
 147
 148     /* prevent infinite recursion in case of cyclical dependencies */
 149     if (    ( wm->flags & WINE_MODREF_MARKER )
 150          || ( wm->flags & WINE_MODREF_PROCESS_ATTACHED ) )
 151         return retv;
 152
 153     TRACE("(%s,%p) - START\n", wm->modname, lpReserved );
 154
 155     /* Tag current MODREF to prevent recursive loop */
 156     wm->flags |= WINE_MODREF_MARKER;
 157
 158     /* Recursively attach all DLLs this one depends on */
 159     for ( i = 0; retv && i < wm->nDeps; i++ )
 160         if ( wm->deps[i] )
 161             retv = MODULE_DllProcessAttach( wm->deps[i], lpReserved );
 162
 163     /* Call DLL entry point */
 164     if ( retv )
 165     {
 166         retv = MODULE_InitDLL( wm, DLL_PROCESS_ATTACH, lpReserved );
 167         if ( retv )
 168             wm->flags |= WINE_MODREF_PROCESS_ATTACHED;
 169     }
 170
 171     /* Re-insert MODREF at head of list */
 172     if ( retv && wm->prev )
 173     {
 174         wm->prev->next = wm->next;
 175         if ( wm->next ) wm->next->prev = wm->prev;
 176
 177         wm->prev = NULL;
 178         wm->next = PROCESS_Current()->modref_list;
 179         PROCESS_Current()->modref_list = wm->next->prev = wm;
 180     }
 181
 182     /* Remove recursion flag */
 183     wm->flags &= ~WINE_MODREF_MARKER;
 184
 185     TRACE("(%s,%p) - END\n", wm->modname, lpReserved );
 186
 187     return retv;
 188 }
 189
 190 /*************************************************************************
 191  *              MODULE_DllProcessDetach
 192  *
 193  * Send DLL process detach notifications.  See the comment about calling
 194  * sequence at MODULE_DllProcessAttach.  Unless the bForceDetach flag
 195  * is set, only DLLs with zero refcount are notified.
 196  */
 197 void MODULE_DllProcessDetach( BOOL bForceDetach, LPVOID lpReserved )
 198 {
 199     WINE_MODREF *wm;
 200
 201     EnterCriticalSection( &PROCESS_Current()->crit_section );
 202
 203     do
 204     {
 205         for ( wm = PROCESS_Current()->modref_list; wm; wm = wm->next )
 206         {
 207             /* Check whether to detach this DLL */
 208             if ( !(wm->flags & WINE_MODREF_PROCESS_ATTACHED) )
 209                 continue;
 210             if ( wm->refCount > 0 && !bForceDetach )
 211                 continue;
 212
 213             /* Call detach notification */
 214             wm->flags &= ~WINE_MODREF_PROCESS_ATTACHED;
 215             MODULE_InitDLL( wm, DLL_PROCESS_DETACH, lpReserved );
 216
 217             /* Restart at head of WINE_MODREF list, as entries might have
 218                been added and/or removed while performing the call ... */
 219             break;
 220         }
 221     } while ( wm );
 222
 223     LeaveCriticalSection( &PROCESS_Current()->crit_section );
 224 }
 225
 226 /*************************************************************************
 227  *              MODULE_DllThreadAttach
 228  *
 229  * Send DLL thread attach notifications. These are sent in the
 230  * reverse sequence of process detach notification.
 231  *
 232  */
 233 void MODULE_DllThreadAttach( LPVOID lpReserved )
 234 {
 235     WINE_MODREF *wm;
 236
 237     EnterCriticalSection( &PROCESS_Current()->crit_section );
 238
 239     for ( wm = PROCESS_Current()->modref_list; wm; wm = wm->next )
 240         if ( !wm->next )
 241             break;
 242
 243     for ( ; wm; wm = wm->prev )
 244     {
 245         if ( !(wm->flags & WINE_MODREF_PROCESS_ATTACHED) )
 246             continue;
 247         if ( wm->flags & WINE_MODREF_NO_DLL_CALLS )
 248             continue;
 249
 250         MODULE_InitDLL( wm, DLL_THREAD_ATTACH, lpReserved );
 251     }
 252
 253     LeaveCriticalSection( &PROCESS_Current()->crit_section );
 254 }
 255
 256 /*************************************************************************
 257  *              MODULE_DllThreadDetach
 258  *
 259  * Send DLL thread detach notifications. These are sent in the
 260  * same sequence as process detach notification.
 261  *
 262  */
 263 void MODULE_DllThreadDetach( LPVOID lpReserved )
 264 {
 265     WINE_MODREF *wm;
 266
 267     EnterCriticalSection( &PROCESS_Current()->crit_section );
 268
 269     for ( wm = PROCESS_Current()->modref_list; wm; wm = wm->next )
 270     {
 271         if ( !(wm->flags & WINE_MODREF_PROCESS_ATTACHED) )
 272             continue;
 273         if ( wm->flags & WINE_MODREF_NO_DLL_CALLS )
 274             continue;
 275
 276         MODULE_InitDLL( wm, DLL_THREAD_DETACH, lpReserved );
 277     }
 278
 279     LeaveCriticalSection( &PROCESS_Current()->crit_section );
 280 }
 281
 282 /****************************************************************************
 283  *              DisableThreadLibraryCalls (KERNEL32.74)
 284  *
 285  * Don't call DllEntryPoint for DLL_THREAD_{ATTACH,DETACH} if set.
 286  */
 287 BOOL WINAPI DisableThreadLibraryCalls( HMODULE hModule )
 288 {
 289     WINE_MODREF *wm;
 290     BOOL retval = TRUE;
 291
 292     EnterCriticalSection( &PROCESS_Current()->crit_section );
 293
 294     wm = MODULE32_LookupHMODULE( hModule );
 295     if ( !wm )
 296         retval = FALSE;
 297     else
 298         wm->flags |= WINE_MODREF_NO_DLL_CALLS;
 299
 300     LeaveCriticalSection( &PROCESS_Current()->crit_section );
 301
 302     return retval;
 303 }
 304
 305
 306 /***********************************************************************
 307  *           MODULE_CreateDummyModule
 308  *
 309  * Create a dummy NE module for Win32 or Winelib.
 310  */
 311 HMODULE MODULE_CreateDummyModule( LPCSTR filename, HMODULE module32 )
 312 {
 313     HMODULE hModule;
 314     NE_MODULE *pModule;
 315     SEGTABLEENTRY *pSegment;
 316     char *pStr,*s;
 317     unsigned int len;
 318     const char* basename;
 319     OFSTRUCT *ofs;
 320     int of_size, size;
 321
 322     /* Extract base filename */
 323     basename = strrchr(filename, '\\');
 324     if (!basename) basename = filename;
 325     else basename++;
 326     len = strlen(basename);
 327     if ((s = strchr(basename, '.'))) len = s - basename;
 328
 329     /* Allocate module */
 330     of_size = sizeof(OFSTRUCT) - sizeof(ofs->szPathName)
 331                     + strlen(filename) + 1;
 332     size = sizeof(NE_MODULE) +
 333                  /* loaded file info */
 334                  of_size +
 335                  /* segment table: DS,CS */
 336                  2 * sizeof(SEGTABLEENTRY) +
 337                  /* name table */
 338                  len + 2 +
 339                  /* several empty tables */
 340                  8;
 341
 342     hModule = GlobalAlloc16( GMEM_MOVEABLE | GMEM_ZEROINIT, size );
 343     if (!hModule) return (HMODULE)11;  /* invalid exe */
 344
 345     FarSetOwner16( hModule, hModule );
 346     pModule = (NE_MODULE *)GlobalLock16( hModule );
 347
 348     /* Set all used entries */
 349     pModule->magic            = IMAGE_OS2_SIGNATURE;
 350     pModule->count            = 1;
 351     pModule->next             = 0;
 352     pModule->flags            = 0;
 353     pModule->dgroup           = 0;
 354     pModule->ss               = 1;
 355     pModule->cs               = 2;
 356     pModule->heap_size        = 0;
 357     pModule->stack_size       = 0;
 358     pModule->seg_count        = 2;
 359     pModule->modref_count     = 0;
 360     pModule->nrname_size      = 0;
 361     pModule->fileinfo         = sizeof(NE_MODULE);
 362     pModule->os_flags         = NE_OSFLAGS_WINDOWS;
 363     pModule->self             = hModule;
 364     pModule->module32         = module32;
 365
 366     /* Set version and flags */
 367     if (module32)
 368     {
 369         pModule->expected_version =
 370             ((PE_HEADER(module32)->OptionalHeader.MajorSubsystemVersion & 0xff) << 8 ) |
 371              (PE_HEADER(module32)->OptionalHeader.MinorSubsystemVersion & 0xff);
 372         pModule->flags |= NE_FFLAGS_WIN32;
 373         if (PE_HEADER(module32)->FileHeader.Characteristics & IMAGE_FILE_DLL)
 374             pModule->flags |= NE_FFLAGS_LIBMODULE | NE_FFLAGS_SINGLEDATA;
 375     }
 376
 377     /* Set loaded file information */
 378     ofs = (OFSTRUCT *)(pModule + 1);
 379     memset( ofs, 0, of_size );
 380     ofs->cBytes = of_size < 256 ? of_size : 255;   /* FIXME */
 381     strcpy( ofs->szPathName, filename );
 382
 383     pSegment = (SEGTABLEENTRY*)((char*)(pModule + 1) + of_size);
 384     pModule->seg_table = (int)pSegment - (int)pModule;
 385     /* Data segment */
 386     pSegment->size    = 0;
 387     pSegment->flags   = NE_SEGFLAGS_DATA;
 388     pSegment->minsize = 0x1000;
 389     pSegment++;
 390     /* Code segment */
 391     pSegment->flags   = 0;
 392     pSegment++;
 393
 394     /* Module name */
 395     pStr = (char *)pSegment;
 396     pModule->name_table = (int)pStr - (int)pModule;
 397     assert(len<256);
 398     *pStr = len;
 399     lstrcpynA( pStr+1, basename, len+1 );
 400     pStr += len+2;
 401
 402     /* All tables zero terminated */
 403     pModule->res_table = pModule->import_table = pModule->entry_table =
 404                 (int)pStr - (int)pModule;
 405
 406     NE_RegisterModule( pModule );
 407     return hModule;
 408 }
 409
 410
 411 /**********************************************************************
 412  *          MODULE_FindModule32
 413  *
 414  * Find a (loaded) win32 module depending on path
 415  *
 416  * RETURNS
 417  *      the module handle if found
 418  *      0 if not
 419  */
 420 WINE_MODREF *MODULE_FindModule(
 421         LPCSTR path     /* [in] pathname of module/library to be found */
 422 ) {
 423     WINE_MODREF *wm;
 424     char dllname[260], *p;
 425
 426     /* Append .DLL to name if no extension present */
 427     strcpy( dllname, path );
 428     if (!(p = strrchr( dllname, '.')) || strchr( p, '/' ) || strchr( p, '\\'))
 429             strcat( dllname, ".DLL" );
 430
 431     for ( wm = PROCESS_Current()->modref_list; wm; wm = wm->next )
 432     {
 433         if ( !strcasecmp( dllname, wm->modname ) )
 434             break;
 435         if ( !strcasecmp( dllname, wm->filename ) )
 436             break;
 437         if ( !strcasecmp( dllname, wm->short_modname ) )
 438             break;
 439         if ( !strcasecmp( dllname, wm->short_filename ) )
 440             break;
 441     }
 442
 443     return wm;
 444 }
 445
 446
 447 /* Check whether a file is an OS/2 or a very old Windows executable
 448  * by testing on import of KERNEL.
 449  *
 450  * FIXME: is reading the module imports the only way of discerning
 451  *        old Windows binaries from OS/2 ones ? At least it seems so...
 452  */
 453 static DWORD MODULE_Decide_OS2_OldWin(HANDLE hfile, IMAGE_DOS_HEADER *mz, IMAGE_OS2_HEADER *ne)
 454 {
 455     DWORD currpos = SetFilePointer( hfile, 0, NULL, SEEK_CUR);
 456     DWORD type = SCS_OS216_BINARY;
 457     LPWORD modtab = NULL;
 458     LPSTR nametab = NULL;
 459     DWORD len;
 460     int i;
 461
 462     /* read modref table */
 463     if ( (SetFilePointer( hfile, mz->e_lfanew + ne->ne_modtab, NULL, SEEK_SET ) == -1)
 464       || (!(modtab = HeapAlloc( GetProcessHeap(), 0, ne->ne_cmod*sizeof(WORD))))
 465       || (!(ReadFile(hfile, modtab, ne->ne_cmod*sizeof(WORD), &len, NULL)))
 466       || (len != ne->ne_cmod*sizeof(WORD)) )
 467         goto broken;
 468
 469     /* read imported names table */
 470     if ( (SetFilePointer( hfile, mz->e_lfanew + ne->ne_imptab, NULL, SEEK_SET ) == -1)
 471       || (!(nametab = HeapAlloc( GetProcessHeap(), 0, ne->ne_enttab - ne->ne_imptab)))
 472       || (!(ReadFile(hfile, nametab, ne->ne_enttab - ne->ne_imptab, &len, NULL)))
 473       || (len != ne->ne_enttab - ne->ne_imptab) )
 474         goto broken;
 475
 476     for (i=0; i < ne->ne_cmod; i++)
 477     {
 478         LPSTR module = &nametab[modtab[i]];
 479         TRACE("modref: %.*s\n", module[0], &module[1]);
 480         if (!(strncmp(&module[1], "KERNEL", module[0])))
 481         { /* very old Windows file */
 482             MESSAGE("This seems to be a very old (pre-3.0) Windows executable. Expect crashes, especially if this is a real-mode binary !\n");
 483             type = SCS_WOW_BINARY;
 484             goto good;
 485         }
 486     }
 487
 488 broken:
 489     ERR("Hmm, an error occurred. Is this binary file broken ?\n");
 490
 491 good:
 492     HeapFree( GetProcessHeap(), 0, modtab);
 493     HeapFree( GetProcessHeap(), 0, nametab);
 494     SetFilePointer( hfile, currpos, NULL, SEEK_SET); /* restore filepos */
 495     return type;
 496 }
 497
 498 /***********************************************************************
 499  *           MODULE_GetBinaryType
 500  *
 501  * The GetBinaryType function determines whether a file is executable
 502  * or not and if it is it returns what type of executable it is.
 503  * The type of executable is a property that determines in which
 504  * subsystem an executable file runs under.
 505  *
 506  * Binary types returned:
 507  * SCS_32BIT_BINARY: A Win32 based application
 508  * SCS_DOS_BINARY: An MS-Dos based application
 509  * SCS_WOW_BINARY: A Win16 based application
 510  * SCS_PIF_BINARY: A PIF file that executes an MS-Dos based app
 511  * SCS_POSIX_BINARY: A POSIX based application ( Not implemented )
 512  * SCS_OS216_BINARY: A 16bit OS/2 based application
 513  *
 514  * Returns TRUE if the file is an executable in which case
 515  * the value pointed by lpBinaryType is set.
 516  * Returns FALSE if the file is not an executable or if the function fails.
 517  *
 518  * To do so it opens the file and reads in the header information
 519  * if the extended header information is not present it will
 520  * assume that the file is a DOS executable.
 521  * If the extended header information is present it will
 522  * determine if the file is a 16 or 32 bit Windows executable
 523  * by check the flags in the header.
 524  *
 525  * Note that .COM and .PIF files are only recognized by their
 526  * file name extension; but Windows does it the same way ...
 527  */
 528 BOOL MODULE_GetBinaryType( HANDLE hfile, LPCSTR filename, LPDWORD lpBinaryType )
 529 {
 530     IMAGE_DOS_HEADER mz_header;
 531     char magic[4], *ptr;
 532     DWORD len;
 533
 534     /* Seek to the start of the file and read the DOS header information.
 535      */
 536     if (    SetFilePointer( hfile, 0, NULL, SEEK_SET ) != -1
 537          && ReadFile( hfile, &mz_header, sizeof(mz_header), &len, NULL )
 538          && len == sizeof(mz_header) )
 539     {
 540         /* Now that we have the header check the e_magic field
 541          * to see if this is a dos image.
 542          */
 543         if ( mz_header.e_magic == IMAGE_DOS_SIGNATURE )
 544         {
 545             BOOL lfanewValid = FALSE;
 546             /* We do have a DOS image so we will now try to seek into
 547              * the file by the amount indicated by the field
 548              * "Offset to extended header" and read in the
 549              * "magic" field information at that location.
 550              * This will tell us if there is more header information
 551              * to read or not.
 552              */
 553             /* But before we do we will make sure that header
 554              * structure encompasses the "Offset to extended header"
 555              * field.
 556              */
 557             if ( (mz_header.e_cparhdr<<4) >= sizeof(IMAGE_DOS_HEADER) )
 558                 if ( ( mz_header.e_crlc == 0 ) ||
 559                      ( mz_header.e_lfarlc >= sizeof(IMAGE_DOS_HEADER) ) )
 560                     if (    mz_header.e_lfanew >= sizeof(IMAGE_DOS_HEADER)
 561                          && SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET ) != -1
 562                          && ReadFile( hfile, magic, sizeof(magic), &len, NULL )
 563                          && len == sizeof(magic) )
 564                         lfanewValid = TRUE;
 565
 566             if ( !lfanewValid )
 567             {
 568                 /* If we cannot read this "extended header" we will
 569                  * assume that we have a simple DOS executable.
 570                  */
 571                 *lpBinaryType = SCS_DOS_BINARY;
 572                 return TRUE;
 573             }
 574             else
 575             {
 576                 /* Reading the magic field succeeded so
 577                  * we will try to determine what type it is.
 578                  */
 579                 if ( *(DWORD*)magic      == IMAGE_NT_SIGNATURE )
 580                 {
 581                     /* This is an NT signature.
 582                      */
 583                     *lpBinaryType = SCS_32BIT_BINARY;
 584                     return TRUE;
 585                 }
 586                 else if ( *(WORD*)magic == IMAGE_OS2_SIGNATURE )
 587                 {
 588                     /* The IMAGE_OS2_SIGNATURE indicates that the
 589                      * "extended header is a Windows executable (NE)
 590                      * header."  This can mean either a 16-bit OS/2
 591                      * or a 16-bit Windows or even a DOS program
 592                      * (running under a DOS extender).  To decide
 593                      * which, we'll have to read the NE header.
 594                      */
 595
 596                      IMAGE_OS2_HEADER ne;
 597                      if (    SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET ) != -1
 598                           && ReadFile( hfile, &ne, sizeof(ne), &len, NULL )
 599                           && len == sizeof(ne) )
 600                      {
 601                          switch ( ne.ne_exetyp )
 602                          {
 603                          case 2:  *lpBinaryType = SCS_WOW_BINARY;   return TRUE;
 604                          case 5:  *lpBinaryType = SCS_DOS_BINARY;   return TRUE;
 605                          default: *lpBinaryType =
 606                                   MODULE_Decide_OS2_OldWin(hfile, &mz_header, &ne);
 607                                   return TRUE;
 608                          }
 609                      }
 610                      /* Couldn't read header, so abort. */
 611                      return FALSE;
 612                 }
 613                 else
 614                 {
 615                     /* Unknown extended header, but this file is nonetheless
 616                        DOS-executable.
 617                      */
 618                     *lpBinaryType = SCS_DOS_BINARY;
 619                     return TRUE;
 620                 }
 621             }
 622         }
 623     }
 624
 625     /* If we get here, we don't even have a correct MZ header.
 626      * Try to check the file extension for known types ...
 627      */
 628     ptr = strrchr( filename, '.' );
 629     if ( ptr && !strchr( ptr, '\\' ) && !strchr( ptr, '/' ) )
 630     {
 631         if ( !lstrcmpiA( ptr, ".COM" ) )
 632         {
 633             *lpBinaryType = SCS_DOS_BINARY;
 634             return TRUE;
 635         }
 636
 637         if ( !lstrcmpiA( ptr, ".PIF" ) )
 638         {
 639             *lpBinaryType = SCS_PIF_BINARY;
 640             return TRUE;
 641         }
 642     }
 643
 644     return FALSE;
 645 }
 646
 647 /***********************************************************************
 648  *             GetBinaryTypeA                     [KERNEL32.280]
 649  */
 650 BOOL WINAPI GetBinaryTypeA( LPCSTR lpApplicationName, LPDWORD lpBinaryType )
 651 {
 652     BOOL ret = FALSE;
 653     HANDLE hfile;
 654
 655     TRACE_(win32)("%s\n", lpApplicationName );
 656
 657     /* Sanity check.
 658      */
 659     if ( lpApplicationName == NULL || lpBinaryType == NULL )
 660         return FALSE;
 661
 662     /* Open the file indicated by lpApplicationName for reading.
 663      */
 664     hfile = CreateFileA( lpApplicationName, GENERIC_READ, FILE_SHARE_READ,
 665                          NULL, OPEN_EXISTING, 0, -1 );
 666     if ( hfile == INVALID_HANDLE_VALUE )
 667         return FALSE;
 668
 669     /* Check binary type
 670      */
 671     ret = MODULE_GetBinaryType( hfile, lpApplicationName, lpBinaryType );
 672
 673     /* Close the file.
 674      */
 675     CloseHandle( hfile );
 676
 677     return ret;
 678 }
 679
 680 /***********************************************************************
 681  *             GetBinaryTypeW                      [KERNEL32.281]
 682  */
 683 BOOL WINAPI GetBinaryTypeW( LPCWSTR lpApplicationName, LPDWORD lpBinaryType )
 684 {
 685     BOOL ret = FALSE;
 686     LPSTR strNew = NULL;
 687
 688     TRACE_(win32)("%s\n", debugstr_w(lpApplicationName) );
 689
 690     /* Sanity check.
 691      */
 692     if ( lpApplicationName == NULL || lpBinaryType == NULL )
 693         return FALSE;
 694
 695     /* Convert the wide string to a ascii string.
 696      */
 697     strNew = HEAP_strdupWtoA( GetProcessHeap(), 0, lpApplicationName );
 698
 699     if ( strNew != NULL )
 700     {
 701         ret = GetBinaryTypeA( strNew, lpBinaryType );
 702
 703         /* Free the allocated string.
 704          */
 705         HeapFree( GetProcessHeap(), 0, strNew );
 706     }
 707
 708     return ret;
 709 }
 710
 711
 712 /***********************************************************************
 713  *           WinExec16   (KERNEL.166)
 714  */
 715 HINSTANCE16 WINAPI WinExec16( LPCSTR lpCmdLine, UINT16 nCmdShow )
 716 {
 717     LPCSTR p;
 718     LPSTR name, cmdline;
 719     int len;
 720     HINSTANCE16 ret;
 721     char buffer[MAX_PATH];
 722
 723     if ((p = strchr( lpCmdLine, ' ' )))
 724     {
 725         if (!(name = HeapAlloc( GetProcessHeap(), 0, p - lpCmdLine + 1 )))
 726             return ERROR_NOT_ENOUGH_MEMORY;
 727         memcpy( name, lpCmdLine, p - lpCmdLine );
 728         name[p - lpCmdLine] = 0;
 729         p++;
 730         len = strlen(p);
 731         cmdline = SEGPTR_ALLOC( len + 2 );
 732         cmdline[0] = (BYTE)len;
 733         strcpy( cmdline + 1, p );
 734     }
 735     else
 736     {
 737         name = (LPSTR)lpCmdLine;
 738         cmdline = SEGPTR_ALLOC(2);
 739         cmdline[0] = cmdline[1] = 0;
 740     }
 741
 742     if (SearchPathA( NULL, name, ".exe", sizeof(buffer), buffer, NULL ))
 743     {
 744         LOADPARAMS16 params;
 745         WORD *showCmd = SEGPTR_ALLOC( 2*sizeof(WORD) );
 746         showCmd[0] = 2;
 747         showCmd[1] = nCmdShow;
 748
 749         params.hEnvironment = 0;
 750         params.cmdLine = SEGPTR_GET(cmdline);
 751         params.showCmd = SEGPTR_GET(showCmd);
 752         params.reserved = 0;
 753
 754         ret = LoadModule16( buffer, &params );
 755
 756         SEGPTR_FREE( showCmd );
 757         SEGPTR_FREE( cmdline );
 758     }
 759     else ret = GetLastError();
 760
 761     if (name != lpCmdLine) HeapFree( GetProcessHeap(), 0, name );
 762
 763     if (ret == 21)  /* 32-bit module */
 764     {
 765         SYSLEVEL_ReleaseWin16Lock();
 766         ret = WinExec( lpCmdLine, nCmdShow );
 767         SYSLEVEL_RestoreWin16Lock();
 768     }
 769     return ret;
 770 }
 771
 772 /***********************************************************************
 773  *           WinExec   (KERNEL32.566)
 774  */
 775 HINSTANCE WINAPI WinExec( LPCSTR lpCmdLine, UINT nCmdShow )
 776 {
 777     PROCESS_INFORMATION info;
 778     STARTUPINFOA startup;
 779     HINSTANCE hInstance;
 780     char *cmdline;
 781
 782     memset( &startup, 0, sizeof(startup) );
 783     startup.cb = sizeof(startup);
 784     startup.dwFlags = STARTF_USESHOWWINDOW;
 785     startup.wShowWindow = nCmdShow;
 786
 787     /* cmdline needs to be writeable for CreateProcess */
 788     if (!(cmdline = HEAP_strdupA( GetProcessHeap(), 0, lpCmdLine ))) return 0;
 789
 790     if (CreateProcessA( NULL, cmdline, NULL, NULL, FALSE,
 791                         0, NULL, NULL, &startup, &info ))
 792     {
 793         /* Give 30 seconds to the app to come up */
 794         if (Callout.WaitForInputIdle ( info.hProcess, 30000 ) == 0xFFFFFFFF)
 795             WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
 796         hInstance = 33;
 797         /* Close off the handles */
 798         CloseHandle( info.hThread );
 799         CloseHandle( info.hProcess );
 800     }
 801     else if ((hInstance = GetLastError()) >= 32)
 802     {
 803         FIXME("Strange error set by CreateProcess: %d\n", hInstance );
 804         hInstance = 11;
 805     }
 806     HeapFree( GetProcessHeap(), 0, cmdline );
 807     return hInstance;
 808 }
 809
 810 /**********************************************************************
 811  *          LoadModule    (KERNEL32.499)
 812  */
 813 HINSTANCE WINAPI LoadModule( LPCSTR name, LPVOID paramBlock )
 814 {
 815     LOADPARAMS *params = (LOADPARAMS *)paramBlock;
 816     PROCESS_INFORMATION info;
 817     STARTUPINFOA startup;
 818     HINSTANCE hInstance;
 819     LPSTR cmdline, p;
 820     char filename[MAX_PATH];
 821     BYTE len;
 822
 823     if (!name) return ERROR_FILE_NOT_FOUND;
 824
 825     if (!SearchPathA( NULL, name, ".exe", sizeof(filename), filename, NULL ) &&
 826         !SearchPathA( NULL, name, NULL, sizeof(filename), filename, NULL ))
 827         return GetLastError();
 828
 829     len = (BYTE)params->lpCmdLine[0];
 830     if (!(cmdline = HeapAlloc( GetProcessHeap(), 0, strlen(filename) + len + 2 )))
 831         return ERROR_NOT_ENOUGH_MEMORY;
 832
 833     strcpy( cmdline, filename );
 834     p = cmdline + strlen(cmdline);
 835     *p++ = ' ';
 836     memcpy( p, params->lpCmdLine + 1, len );
 837     p[len] = 0;
 838
 839     memset( &startup, 0, sizeof(startup) );
 840     startup.cb = sizeof(startup);
 841     if (params->lpCmdShow)
 842     {
 843         startup.dwFlags = STARTF_USESHOWWINDOW;
 844         startup.wShowWindow = params->lpCmdShow[1];
 845     }
 846
 847     if (CreateProcessA( filename, cmdline, NULL, NULL, FALSE, 0,
 848                         params->lpEnvAddress, NULL, &startup, &info ))
 849     {
 850         /* Give 30 seconds to the app to come up */
 851         if ( Callout.WaitForInputIdle ( info.hProcess, 30000 ) ==  0xFFFFFFFF )
 852             WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
 853         hInstance = 33;
 854         /* Close off the handles */
 855         CloseHandle( info.hThread );
 856         CloseHandle( info.hProcess );
 857     }
 858     else if ((hInstance = GetLastError()) >= 32)
 859     {
 860         FIXME("Strange error set by CreateProcess: %d\n", hInstance );
 861         hInstance = 11;
 862     }
 863
 864     HeapFree( GetProcessHeap(), 0, cmdline );
 865     return hInstance;
 866 }
 867
 868
 869 /*************************************************************************
 870  *               get_file_name
 871  *
 872  * Helper for CreateProcess: retrieve the file name to load from the
 873  * app name and command line. Store the file name in buffer, and
 874  * return a possibly modified command line.
 875  */
 876 static LPSTR get_file_name( LPCSTR appname, LPSTR cmdline, LPSTR buffer, int buflen )
 877 {
 878     char *name, *pos, *ret = NULL;
 879     const char *p;
 880
 881     /* if we have an app name, everything is easy */
 882
 883     if (appname)
 884     {
 885         /* use the unmodified app name as file name */
 886         lstrcpynA( buffer, appname, buflen );
 887         if (!(ret = cmdline))
 888         {
 889             /* no command-line, create one */
 890             if ((ret = HeapAlloc( GetProcessHeap(), 0, strlen(appname) + 3 )))
 891                 sprintf( ret, "\"%s\"", appname );
 892         }
 893         return ret;
 894     }
 895
 896     if (!cmdline)
 897     {
 898         SetLastError( ERROR_INVALID_PARAMETER );
 899         return NULL;
 900     }
 901
 902     /* first check for a quoted file name */
 903
 904     if ((cmdline[0] == '"') && ((p = strchr( cmdline + 1, '"' ))))
 905     {
 906         int len = p - cmdline - 1;
 907         /* extract the quoted portion as file name */
 908         if (!(name = HeapAlloc( GetProcessHeap(), 0, len + 1 ))) return NULL;
 909         memcpy( name, cmdline + 1, len );
 910         name[len] = 0;
 911
 912         if (SearchPathA( NULL, name, ".exe", buflen, buffer, NULL ) ||
 913             SearchPathA( NULL, name, NULL, buflen, buffer, NULL ))
 914             ret = cmdline;  /* no change necessary */
 915         goto done;
 916     }
 917
 918     /* now try the command-line word by word */
 919
 920     if (!(name = HeapAlloc( GetProcessHeap(), 0, strlen(cmdline) + 1 ))) return NULL;
 921     pos = name;
 922     p = cmdline;
 923
 924     while (*p)
 925     {
 926         do *pos++ = *p++; while (*p && *p != ' ');
 927         *pos = 0;
 928         TRACE("trying '%s'\n", name );
 929         if (SearchPathA( NULL, name, ".exe", buflen, buffer, NULL ) ||
 930             SearchPathA( NULL, name, NULL, buflen, buffer, NULL ))
 931         {
 932             ret = cmdline;
 933             break;
 934         }
 935     }
 936
 937     if (!ret || !strchr( name, ' ' )) goto done;  /* no change necessary */
 938
 939     /* now build a new command-line with quotes */
 940
 941     if (!(ret = HeapAlloc( GetProcessHeap(), 0, strlen(cmdline) + 3 ))) goto done;
 942     sprintf( ret, "\"%s\"%s", name, p );
 943
 944  done:
 945     HeapFree( GetProcessHeap(), 0, name );
 946     return ret;
 947 }
 948
 949
 950 /**********************************************************************
 951  *       CreateProcessA          (KERNEL32.171)
 952  */
 953 BOOL WINAPI CreateProcessA( LPCSTR lpApplicationName, LPSTR lpCommandLine,
 954                             LPSECURITY_ATTRIBUTES lpProcessAttributes,
 955                             LPSECURITY_ATTRIBUTES lpThreadAttributes,
 956                             BOOL bInheritHandles, DWORD dwCreationFlags,
 957                             LPVOID lpEnvironment, LPCSTR lpCurrentDirectory,
 958                             LPSTARTUPINFOA lpStartupInfo,
 959                             LPPROCESS_INFORMATION lpProcessInfo )
 960 {
 961     BOOL retv = FALSE;
 962     HANDLE hFile;
 963     DWORD type;
 964     char name[MAX_PATH];
 965     LPSTR tidy_cmdline;
 966
 967     /* Process the AppName and/or CmdLine to get module name and path */
 968
 969     TRACE("app '%s' cmdline '%s'\n", lpApplicationName, lpCommandLine );
 970
 971     if (!(tidy_cmdline = get_file_name( lpApplicationName, lpCommandLine, name, sizeof(name) )))
 972         return FALSE;
 973
 974     /* Warn if unsupported features are used */
 975
 976     if (dwCreationFlags & DETACHED_PROCESS)
 977         FIXME("(%s,...): DETACHED_PROCESS ignored\n", name);
 978     if (dwCreationFlags & CREATE_NEW_CONSOLE)
 979         FIXME("(%s,...): CREATE_NEW_CONSOLE ignored\n", name);
 980     if (dwCreationFlags & NORMAL_PRIORITY_CLASS)
 981         FIXME("(%s,...): NORMAL_PRIORITY_CLASS ignored\n", name);
 982     if (dwCreationFlags & IDLE_PRIORITY_CLASS)
 983         FIXME("(%s,...): IDLE_PRIORITY_CLASS ignored\n", name);
 984     if (dwCreationFlags & HIGH_PRIORITY_CLASS)
 985         FIXME("(%s,...): HIGH_PRIORITY_CLASS ignored\n", name);
 986     if (dwCreationFlags & REALTIME_PRIORITY_CLASS)
 987         FIXME("(%s,...): REALTIME_PRIORITY_CLASS ignored\n", name);
 988     if (dwCreationFlags & CREATE_NEW_PROCESS_GROUP)
 989         FIXME("(%s,...): CREATE_NEW_PROCESS_GROUP ignored\n", name);
 990     if (dwCreationFlags & CREATE_UNICODE_ENVIRONMENT)
 991         FIXME("(%s,...): CREATE_UNICODE_ENVIRONMENT ignored\n", name);
 992     if (dwCreationFlags & CREATE_SEPARATE_WOW_VDM)
 993         FIXME("(%s,...): CREATE_SEPARATE_WOW_VDM ignored\n", name);
 994     if (dwCreationFlags & CREATE_SHARED_WOW_VDM)
 995         FIXME("(%s,...): CREATE_SHARED_WOW_VDM ignored\n", name);
 996     if (dwCreationFlags & CREATE_DEFAULT_ERROR_MODE)
 997         FIXME("(%s,...): CREATE_DEFAULT_ERROR_MODE ignored\n", name);
 998     if (dwCreationFlags & CREATE_NO_WINDOW)
 999         FIXME("(%s,...): CREATE_NO_WINDOW ignored\n", name);
1000     if (dwCreationFlags & PROFILE_USER)
1001         FIXME("(%s,...): PROFILE_USER ignored\n", name);
1002     if (dwCreationFlags & PROFILE_KERNEL)
1003         FIXME("(%s,...): PROFILE_KERNEL ignored\n", name);
1004     if (dwCreationFlags & PROFILE_SERVER)
1005         FIXME("(%s,...): PROFILE_SERVER ignored\n", name);
1006     if (lpStartupInfo->lpDesktop)
1007         FIXME("(%s,...): lpStartupInfo->lpDesktop %s ignored\n",
1008                       name, lpStartupInfo->lpDesktop);
1009     if (lpStartupInfo->lpTitle)
1010         FIXME("(%s,...): lpStartupInfo->lpTitle %s ignored\n",
1011                       name, lpStartupInfo->lpTitle);
1012     if (lpStartupInfo->dwFlags & STARTF_USECOUNTCHARS)
1013         FIXME("(%s,...): STARTF_USECOUNTCHARS (%ld,%ld) ignored\n",
1014                       name, lpStartupInfo->dwXCountChars, lpStartupInfo->dwYCountChars);
1015     if (lpStartupInfo->dwFlags & STARTF_USEFILLATTRIBUTE)
1016         FIXME("(%s,...): STARTF_USEFILLATTRIBUTE %lx ignored\n",
1017                       name, lpStartupInfo->dwFillAttribute);
1018     if (lpStartupInfo->dwFlags & STARTF_RUNFULLSCREEN)
1019         FIXME("(%s,...): STARTF_RUNFULLSCREEN ignored\n", name);
1020     if (lpStartupInfo->dwFlags & STARTF_FORCEONFEEDBACK)
1021         FIXME("(%s,...): STARTF_FORCEONFEEDBACK ignored\n", name);
1022     if (lpStartupInfo->dwFlags & STARTF_FORCEOFFFEEDBACK)
1023         FIXME("(%s,...): STARTF_FORCEOFFFEEDBACK ignored\n", name);
1024     if (lpStartupInfo->dwFlags & STARTF_USEHOTKEY)
1025         FIXME("(%s,...): STARTF_USEHOTKEY ignored\n", name);
1026
1027     /* Open file and determine executable type */
1028
1029     hFile = CreateFileA( name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, -1 );
1030     if (hFile == INVALID_HANDLE_VALUE) goto done;
1031
1032     if ( !MODULE_GetBinaryType( hFile, name, &type ) )
1033     {
1034         CloseHandle( hFile );
1035         retv = PROCESS_Create( -1, name, tidy_cmdline, lpEnvironment,
1036                                lpProcessAttributes, lpThreadAttributes,
1037                                bInheritHandles, dwCreationFlags,
1038                                lpStartupInfo, lpProcessInfo, lpCurrentDirectory );
1039         goto done;
1040     }
1041
1042     /* Create process */
1043
1044     switch ( type )
1045     {
1046     case SCS_32BIT_BINARY:
1047     case SCS_WOW_BINARY:
1048     case SCS_DOS_BINARY:
1049         retv = PROCESS_Create( hFile, name, tidy_cmdline, lpEnvironment,
1050                                lpProcessAttributes, lpThreadAttributes,
1051                                bInheritHandles, dwCreationFlags,
1052                                lpStartupInfo, lpProcessInfo, lpCurrentDirectory);
1053         break;
1054
1055     case SCS_PIF_BINARY:
1056     case SCS_POSIX_BINARY:
1057     case SCS_OS216_BINARY:
1058         FIXME("Unsupported executable type: %ld\n", type );
1059         /* fall through */
1060
1061     default:
1062         SetLastError( ERROR_BAD_FORMAT );
1063         break;
1064     }
1065     CloseHandle( hFile );
1066
1067  done:
1068     if (tidy_cmdline != lpCommandLine) HeapFree( GetProcessHeap(), 0, tidy_cmdline );
1069     return retv;
1070 }
1071
1072 /**********************************************************************
1073  *       CreateProcessW          (KERNEL32.172)
1074  * NOTES
1075  *  lpReserved is not converted
1076  */
1077 BOOL WINAPI CreateProcessW( LPCWSTR lpApplicationName, LPWSTR lpCommandLine,
1078                                 LPSECURITY_ATTRIBUTES lpProcessAttributes,
1079                                 LPSECURITY_ATTRIBUTES lpThreadAttributes,
1080                                 BOOL bInheritHandles, DWORD dwCreationFlags,
1081                                 LPVOID lpEnvironment, LPCWSTR lpCurrentDirectory,
1082                                 LPSTARTUPINFOW lpStartupInfo,
1083                                 LPPROCESS_INFORMATION lpProcessInfo )
1084 {   BOOL ret;
1085     STARTUPINFOA StartupInfoA;
1086
1087     LPSTR lpApplicationNameA = HEAP_strdupWtoA (GetProcessHeap(),0,lpApplicationName);
1088     LPSTR lpCommandLineA = HEAP_strdupWtoA (GetProcessHeap(),0,lpCommandLine);
1089     LPSTR lpCurrentDirectoryA = HEAP_strdupWtoA (GetProcessHeap(),0,lpCurrentDirectory);
1090
1091     memcpy (&StartupInfoA, lpStartupInfo, sizeof(STARTUPINFOA));
1092     StartupInfoA.lpDesktop = HEAP_strdupWtoA (GetProcessHeap(),0,lpStartupInfo->lpDesktop);
1093     StartupInfoA.lpTitle = HEAP_strdupWtoA (GetProcessHeap(),0,lpStartupInfo->lpTitle);
1094
1095     TRACE_(win32)("(%s,%s,...)\n", debugstr_w(lpApplicationName), debugstr_w(lpCommandLine));
1096
1097     if (lpStartupInfo->lpReserved)
1098       FIXME_(win32)("StartupInfo.lpReserved is used, please report (%s)\n", debugstr_w(lpStartupInfo->lpReserved));
1099
1100     ret = CreateProcessA(  lpApplicationNameA,  lpCommandLineA,
1101                              lpProcessAttributes, lpThreadAttributes,
1102                              bInheritHandles, dwCreationFlags,
1103                              lpEnvironment, lpCurrentDirectoryA,
1104                              &StartupInfoA, lpProcessInfo );
1105
1106     HeapFree( GetProcessHeap(), 0, lpCurrentDirectoryA );
1107     HeapFree( GetProcessHeap(), 0, lpCommandLineA );
1108     HeapFree( GetProcessHeap(), 0, StartupInfoA.lpDesktop );
1109     HeapFree( GetProcessHeap(), 0, StartupInfoA.lpTitle );
1110
1111     return ret;
1112 }
1113
1114 /***********************************************************************
1115  *              GetModuleHandleA         (KERNEL32.237)
1116  */
1117 HMODULE WINAPI GetModuleHandleA(LPCSTR module)
1118 {
1119     WINE_MODREF *wm;
1120
1121     if ( module == NULL )
1122         wm = PROCESS_Current()->exe_modref;
1123     else
1124         wm = MODULE_FindModule( module );
1125
1126     return wm? wm->module : 0;
1127 }
1128
1129 /***********************************************************************
1130  *              GetModuleHandleW
1131  */
1132 HMODULE WINAPI GetModuleHandleW(LPCWSTR module)
1133 {
1134     HMODULE hModule;
1135     LPSTR modulea = HEAP_strdupWtoA( GetProcessHeap(), 0, module );
1136     hModule = GetModuleHandleA( modulea );
1137     HeapFree( GetProcessHeap(), 0, modulea );
1138     return hModule;
1139 }
1140
1141
1142 /***********************************************************************
1143  *              GetModuleFileNameA      (KERNEL32.235)
1144  *
1145  * GetModuleFileNameA seems to *always* return the long path;
1146  * it's only GetModuleFileName16 that decides between short/long path
1147  * by checking if exe version >= 4.0.
1148  * (SDK docu doesn't mention this)
1149  */
1150 DWORD WINAPI GetModuleFileNameA(
1151         HMODULE hModule,        /* [in] module handle (32bit) */
1152         LPSTR lpFileName,       /* [out] filenamebuffer */
1153         DWORD size              /* [in] size of filenamebuffer */
1154 ) {
1155     WINE_MODREF *wm = MODULE32_LookupHMODULE( hModule );
1156
1157     if (!wm) /* can happen on start up or the like */
1158         return 0;
1159
1160     lstrcpynA( lpFileName, wm->filename, size );
1161
1162     TRACE("%s\n", lpFileName );
1163     return strlen(lpFileName);
1164 }
1165
1166
1167 /***********************************************************************
1168  *              GetModuleFileNameW      (KERNEL32.236)
1169  */
1170 DWORD WINAPI GetModuleFileNameW( HMODULE hModule, LPWSTR lpFileName,
1171                                    DWORD size )
1172 {
1173     LPSTR fnA = (char*)HeapAlloc( GetProcessHeap(), 0, size );
1174     DWORD res = GetModuleFileNameA( hModule, fnA, size );
1175     lstrcpynAtoW( lpFileName, fnA, size );
1176     HeapFree( GetProcessHeap(), 0, fnA );
1177     return res;
1178 }
1179
1180
1181 /***********************************************************************
1182  *           LoadLibraryExA   (KERNEL32)
1183  */
1184 HMODULE WINAPI LoadLibraryExA(LPCSTR libname, HANDLE hfile, DWORD flags)
1185 {
1186         WINE_MODREF *wm;
1187
1188         if(!libname)
1189         {
1190                 SetLastError(ERROR_INVALID_PARAMETER);
1191                 return 0;
1192         }
1193
1194         EnterCriticalSection(&PROCESS_Current()->crit_section);
1195
1196         wm = MODULE_LoadLibraryExA( libname, hfile, flags );
1197         if ( wm )
1198         {
1199                 if ( !MODULE_DllProcessAttach( wm, NULL ) )
1200                 {
1201                         WARN_(module)("Attach failed for module '%s', \n", libname);
1202                         MODULE_FreeLibrary(wm);
1203                         SetLastError(ERROR_DLL_INIT_FAILED);
1204                         wm = NULL;
1205                 }
1206         }
1207
1208         LeaveCriticalSection(&PROCESS_Current()->crit_section);
1209
1210         return wm ? wm->module : 0;
1211 }
1212
1213 /***********************************************************************
1214  *      MODULE_LoadLibraryExA   (internal)
1215  *
1216  * Load a PE style module according to the load order.
1217  *
1218  * The HFILE parameter is not used and marked reserved in the SDK. I can
1219  * only guess that it should force a file to be mapped, but I rather
1220  * ignore the parameter because it would be extremely difficult to
1221  * integrate this with different types of module represenations.
1222  *
1223  */
1224 WINE_MODREF *MODULE_LoadLibraryExA( LPCSTR libname, HFILE hfile, DWORD flags )
1225 {
1226         DWORD err = GetLastError();
1227         WINE_MODREF *pwm;
1228         int i;
1229         module_loadorder_t *plo;
1230
1231         EnterCriticalSection(&PROCESS_Current()->crit_section);
1232
1233         /* Check for already loaded module */
1234         if((pwm = MODULE_FindModule(libname)))
1235         {
1236                 if(!(pwm->flags & WINE_MODREF_MARKER))
1237                         pwm->refCount++;
1238                 TRACE("Already loaded module '%s' at 0x%08x, count=%d, \n", libname, pwm->module, pwm->refCount);
1239                 LeaveCriticalSection(&PROCESS_Current()->crit_section);
1240                 return pwm;
1241         }
1242
1243         plo = MODULE_GetLoadOrder(libname);
1244
1245         for(i = 0; i < MODULE_LOADORDER_NTYPES; i++)
1246         {
1247                 SetLastError( ERROR_FILE_NOT_FOUND );
1248                 switch(plo->loadorder[i])
1249                 {
1250                 case MODULE_LOADORDER_DLL:
1251                         TRACE("Trying native dll '%s'\n", libname);
1252                         pwm = PE_LoadLibraryExA(libname, flags);
1253                         break;
1254
1255                 case MODULE_LOADORDER_ELFDLL:
1256                         TRACE("Trying elfdll '%s'\n", libname);
1257                         if (!(pwm = BUILTIN32_LoadLibraryExA(libname, flags)))
1258                             pwm = ELFDLL_LoadLibraryExA(libname, flags);
1259                         break;
1260
1261                 case MODULE_LOADORDER_SO:
1262                         TRACE("Trying so-library '%s'\n", libname);
1263                         if (!(pwm = BUILTIN32_LoadLibraryExA(libname, flags)))
1264                             pwm = ELF_LoadLibraryExA(libname, flags);
1265                         break;
1266
1267                 case MODULE_LOADORDER_BI:
1268                         TRACE("Trying built-in '%s'\n", libname);
1269                         pwm = BUILTIN32_LoadLibraryExA(libname, flags);
1270                         break;
1271
1272                 default:
1273                         ERR("Got invalid loadorder type %d (%s index %d)\n", plo->loadorder[i], plo->modulename, i);
1274                 /* Fall through */
1275
1276                 case MODULE_LOADORDER_INVALID:  /* We ignore this as it is an empty entry */
1277                         pwm = NULL;
1278                         break;
1279                 }
1280
1281                 if(pwm)
1282                 {
1283                         /* Initialize DLL just loaded */
1284                         TRACE("Loaded module '%s' at 0x%08x, \n", libname, pwm->module);
1285
1286                         /* Set the refCount here so that an attach failure will */
1287                         /* decrement the dependencies through the MODULE_FreeLibrary call. */
1288                         pwm->refCount++;
1289
1290                         LeaveCriticalSection(&PROCESS_Current()->crit_section);
1291                         SetLastError( err );  /* restore last error */
1292                         return pwm;
1293                 }
1294
1295                 if(GetLastError() != ERROR_FILE_NOT_FOUND)
1296                         break;
1297         }
1298
1299         WARN("Failed to load module '%s'; error=0x%08lx, \n", libname, GetLastError());
1300         LeaveCriticalSection(&PROCESS_Current()->crit_section);
1301         return NULL;
1302 }
1303
1304 /***********************************************************************
1305  *           LoadLibraryA         (KERNEL32)
1306  */
1307 HMODULE WINAPI LoadLibraryA(LPCSTR libname) {
1308         return LoadLibraryExA(libname,0,0);
1309 }
1310
1311 /***********************************************************************
1312  *           LoadLibraryW         (KERNEL32)
1313  */
1314 HMODULE WINAPI LoadLibraryW(LPCWSTR libnameW)
1315 {
1316     return LoadLibraryExW(libnameW,0,0);
1317 }
1318
1319 /***********************************************************************
1320  *           LoadLibrary32_16   (KERNEL.452)
1321  */
1322 HMODULE WINAPI LoadLibrary32_16( LPCSTR libname )
1323 {
1324     HMODULE hModule;
1325
1326     SYSLEVEL_ReleaseWin16Lock();
1327     hModule = LoadLibraryA( libname );
1328     SYSLEVEL_RestoreWin16Lock();
1329
1330     return hModule;
1331 }
1332
1333 /***********************************************************************
1334  *           LoadLibraryExW       (KERNEL32)
1335  */
1336 HMODULE WINAPI LoadLibraryExW(LPCWSTR libnameW,HANDLE hfile,DWORD flags)
1337 {
1338     LPSTR libnameA = HEAP_strdupWtoA( GetProcessHeap(), 0, libnameW );
1339     HMODULE ret = LoadLibraryExA( libnameA , hfile, flags );
1340
1341     HeapFree( GetProcessHeap(), 0, libnameA );
1342     return ret;
1343 }
1344
1345 /***********************************************************************
1346  *           MODULE_FlushModrefs
1347  *
1348  * NOTE: Assumes that the process critical section is held!
1349  *
1350  * Remove all unused modrefs and call the internal unloading routines
1351  * for the library type.
1352  */
1353 static void MODULE_FlushModrefs(void)
1354 {
1355         WINE_MODREF *wm, *next;
1356
1357         for(wm = PROCESS_Current()->modref_list; wm; wm = next)
1358         {
1359                 next = wm->next;
1360
1361                 if(wm->refCount)
1362                         continue;
1363
1364                 /* Unlink this modref from the chain */
1365                 if(wm->next)
1366                         wm->next->prev = wm->prev;
1367                 if(wm->prev)
1368                         wm->prev->next = wm->next;
1369                 if(wm == PROCESS_Current()->modref_list)
1370                         PROCESS_Current()->modref_list = wm->next;
1371
1372                 /*
1373                  * The unloaders are also responsible for freeing the modref itself
1374                  * because the loaders were responsible for allocating it.
1375                  */
1376                 switch(wm->type)
1377                 {
1378                 case MODULE32_PE:       if ( !(wm->flags & WINE_MODREF_INTERNAL) )
1379                                                PE_UnloadLibrary(wm);
1380                                         else
1381                                                BUILTIN32_UnloadLibrary(wm);
1382                                         break;
1383                 case MODULE32_ELF:      ELF_UnloadLibrary(wm);          break;
1384                 case MODULE32_ELFDLL:   ELFDLL_UnloadLibrary(wm);       break;
1385
1386                 default:
1387                         ERR("Invalid or unhandled MODREF type %d encountered (wm=%p)\n", wm->type, wm);
1388                 }
1389         }
1390 }
1391
1392 /***********************************************************************
1393  *           FreeLibrary
1394  */
1395 BOOL WINAPI FreeLibrary(HINSTANCE hLibModule)
1396 {
1397     BOOL retv = FALSE;
1398     WINE_MODREF *wm;
1399
1400     EnterCriticalSection( &PROCESS_Current()->crit_section );
1401     PROCESS_Current()->free_lib_count++;
1402
1403     wm = MODULE32_LookupHMODULE( hLibModule );
1404     if ( !wm || !hLibModule )
1405         SetLastError( ERROR_INVALID_HANDLE );
1406     else
1407         retv = MODULE_FreeLibrary( wm );
1408
1409     PROCESS_Current()->free_lib_count--;
1410     LeaveCriticalSection( &PROCESS_Current()->crit_section );
1411
1412     return retv;
1413 }
1414
1415 /***********************************************************************
1416  *           MODULE_DecRefCount
1417  *
1418  * NOTE: Assumes that the process critical section is held!
1419  */
1420 static void MODULE_DecRefCount( WINE_MODREF *wm )
1421 {
1422     int i;
1423
1424     if ( wm->flags & WINE_MODREF_MARKER )
1425         return;
1426
1427     if ( wm->refCount <= 0 )
1428         return;
1429
1430     --wm->refCount;
1431     TRACE("(%s) refCount: %d\n", wm->modname, wm->refCount );
1432
1433     if ( wm->refCount == 0 )
1434     {
1435         wm->flags |= WINE_MODREF_MARKER;
1436
1437         for ( i = 0; i < wm->nDeps; i++ )
1438             if ( wm->deps[i] )
1439                 MODULE_DecRefCount( wm->deps[i] );
1440
1441         wm->flags &= ~WINE_MODREF_MARKER;
1442     }
1443 }
1444
1445 /***********************************************************************
1446  *           MODULE_FreeLibrary
1447  *
1448  * NOTE: Assumes that the process critical section is held!
1449  */
1450 BOOL MODULE_FreeLibrary( WINE_MODREF *wm )
1451 {
1452     TRACE("(%s) - START\n", wm->modname );
1453
1454     /* Recursively decrement reference counts */
1455     MODULE_DecRefCount( wm );
1456
1457     /* Call process detach notifications */
1458     if ( PROCESS_Current()->free_lib_count <= 1 )
1459     {
1460         struct unload_dll_request *req = get_req_buffer();
1461
1462         MODULE_DllProcessDetach( FALSE, NULL );
1463         req->base = (void *)wm->module;
1464         server_call_noerr( REQ_UNLOAD_DLL );
1465
1466         MODULE_FlushModrefs();
1467     }
1468
1469     TRACE("END\n");
1470
1471     return TRUE;
1472 }
1473
1474
1475 /***********************************************************************
1476  *           FreeLibraryAndExitThread
1477  */
1478 VOID WINAPI FreeLibraryAndExitThread(HINSTANCE hLibModule, DWORD dwExitCode)
1479 {
1480     FreeLibrary(hLibModule);
1481     ExitThread(dwExitCode);
1482 }
1483
1484 /***********************************************************************
1485  *           PrivateLoadLibrary       (KERNEL32)
1486  *
1487  * FIXME: rough guesswork, don't know what "Private" means
1488  */
1489 HINSTANCE WINAPI PrivateLoadLibrary(LPCSTR libname)
1490 {
1491         return (HINSTANCE)LoadLibrary16(libname);
1492 }
1493
1494
1495
1496 /***********************************************************************
1497  *           PrivateFreeLibrary       (KERNEL32)
1498  *
1499  * FIXME: rough guesswork, don't know what "Private" means
1500  */
1501 void WINAPI PrivateFreeLibrary(HINSTANCE handle)
1502 {
1503         FreeLibrary16((HINSTANCE16)handle);
1504 }
1505
1506
1507 /***********************************************************************
1508  *           WIN32_GetProcAddress16   (KERNEL32.36)
1509  * Get procaddress in 16bit module from win32... (kernel32 undoc. ordinal func)
1510  */
1511 FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hModule, LPCSTR name )
1512 {
1513     WORD        ordinal;
1514     FARPROC16   ret;
1515
1516     if (!hModule) {
1517         WARN("hModule may not be 0!\n");
1518         return (FARPROC16)0;
1519     }
1520     if (HIWORD(hModule))
1521     {
1522         WARN("hModule is Win32 handle (%08x)\n", hModule );
1523         return (FARPROC16)0;
1524     }
1525     hModule = GetExePtr( hModule );
1526     if (HIWORD(name)) {
1527         ordinal = NE_GetOrdinal( hModule, name );
1528         TRACE("%04x '%s'\n", hModule, name );
1529     } else {
1530         ordinal = LOWORD(name);
1531         TRACE("%04x %04x\n", hModule, ordinal );
1532     }
1533     if (!ordinal) return (FARPROC16)0;
1534     ret = NE_GetEntryPoint( hModule, ordinal );
1535     TRACE("returning %08x\n",(UINT)ret);
1536     return ret;
1537 }
1538
1539 /***********************************************************************
1540  *           GetProcAddress16   (KERNEL.50)
1541  */
1542 FARPROC16 WINAPI GetProcAddress16( HMODULE16 hModule, SEGPTR name )
1543 {
1544     WORD ordinal;
1545     FARPROC16 ret;
1546
1547     if (!hModule) hModule = GetCurrentTask();
1548     hModule = GetExePtr( hModule );
1549
1550     if (HIWORD(name) != 0)
1551     {
1552         ordinal = NE_GetOrdinal( hModule, (LPSTR)PTR_SEG_TO_LIN(name) );
1553         TRACE("%04x '%s'\n", hModule, (LPSTR)PTR_SEG_TO_LIN(name) );
1554     }
1555     else
1556     {
1557         ordinal = LOWORD(name);
1558         TRACE("%04x %04x\n", hModule, ordinal );
1559     }
1560     if (!ordinal) return (FARPROC16)0;
1561
1562     ret = NE_GetEntryPoint( hModule, ordinal );
1563
1564     TRACE("returning %08x\n", (UINT)ret );
1565     return ret;
1566 }
1567
1568
1569 /***********************************************************************
1570  *           GetProcAddress             (KERNEL32.257)
1571  */
1572 FARPROC WINAPI GetProcAddress( HMODULE hModule, LPCSTR function )
1573 {
1574     return MODULE_GetProcAddress( hModule, function, TRUE );
1575 }
1576
1577 /***********************************************************************
1578  *           GetProcAddress32                   (KERNEL.453)
1579  */
1580 FARPROC WINAPI GetProcAddress32_16( HMODULE hModule, LPCSTR function )
1581 {
1582     return MODULE_GetProcAddress( hModule, function, FALSE );
1583 }
1584
1585 /***********************************************************************
1586  *           MODULE_GetProcAddress              (internal)
1587  */
1588 FARPROC MODULE_GetProcAddress(
1589         HMODULE hModule,        /* [in] current module handle */
1590         LPCSTR function,        /* [in] function to be looked up */
1591         BOOL snoop )
1592 {
1593     WINE_MODREF *wm = MODULE32_LookupHMODULE( hModule );
1594     FARPROC     retproc;
1595
1596     if (HIWORD(function))
1597         TRACE_(win32)("(%08lx,%s)\n",(DWORD)hModule,function);
1598     else
1599         TRACE_(win32)("(%08lx,%p)\n",(DWORD)hModule,function);
1600     if (!wm) {
1601         SetLastError(ERROR_INVALID_HANDLE);
1602         return (FARPROC)0;
1603     }
1604     switch (wm->type)
1605     {
1606     case MODULE32_PE:
1607         retproc = PE_FindExportedFunction( wm, function, snoop );
1608         if (!retproc) SetLastError(ERROR_PROC_NOT_FOUND);
1609         return retproc;
1610     case MODULE32_ELF:
1611         retproc = ELF_FindExportedFunction( wm, function);
1612         if (!retproc) SetLastError(ERROR_PROC_NOT_FOUND);
1613         return retproc;
1614     default:
1615         ERR("wine_modref type %d not handled.\n",wm->type);
1616         SetLastError(ERROR_INVALID_HANDLE);
1617         return (FARPROC)0;
1618     }
1619 }
1620
1621
1622 /***********************************************************************
1623  *           RtlImageNtHeader   (NTDLL)
1624  */
1625 PIMAGE_NT_HEADERS WINAPI RtlImageNtHeader(HMODULE hModule)
1626 {
1627     /* basically:
1628      * return  hModule+(((IMAGE_DOS_HEADER*)hModule)->e_lfanew);
1629      * but we could get HMODULE16 or the like (think builtin modules)
1630      */
1631
1632     WINE_MODREF *wm = MODULE32_LookupHMODULE( hModule );
1633     if (!wm || (wm->type != MODULE32_PE)) return (PIMAGE_NT_HEADERS)0;
1634     return PE_HEADER(wm->module);
1635 }
1636
1637
1638 /***************************************************************************
1639  *              HasGPHandler                    (KERNEL.338)
1640  */
1641
1642 #include "pshpack1.h"
1643 typedef struct _GPHANDLERDEF
1644 {
1645     WORD selector;
1646     WORD rangeStart;
1647     WORD rangeEnd;
1648     WORD handler;
1649 } GPHANDLERDEF;
1650 #include "poppack.h"
1651
1652 SEGPTR WINAPI HasGPHandler16( SEGPTR address )
1653 {
1654     HMODULE16 hModule;
1655     int gpOrdinal;
1656     SEGPTR gpPtr;
1657     GPHANDLERDEF *gpHandler;
1658
1659     if (    (hModule = FarGetOwner16( SELECTOROF(address) )) != 0
1660          && (gpOrdinal = NE_GetOrdinal( hModule, "__GP" )) != 0
1661          && (gpPtr = (SEGPTR)NE_GetEntryPointEx( hModule, gpOrdinal, FALSE )) != 0
1662          && !IsBadReadPtr16( gpPtr, sizeof(GPHANDLERDEF) )
1663          && (gpHandler = PTR_SEG_TO_LIN( gpPtr )) != NULL )
1664     {
1665         while (gpHandler->selector)
1666         {
1667             if (    SELECTOROF(address) == gpHandler->selector
1668                  && OFFSETOF(address)   >= gpHandler->rangeStart
1669                  && OFFSETOF(address)   <  gpHandler->rangeEnd  )
1670                 return PTR_SEG_OFF_TO_SEGPTR( gpHandler->selector,
1671                                               gpHandler->handler );
1672             gpHandler++;
1673         }
1674     }
1675
1676     return 0;
1677 }
1678