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  *           MODULE_GetBinaryType
 448  *
 449  * The GetBinaryType function determines whether a file is executable
 450  * or not and if it is it returns what type of executable it is.
 451  * The type of executable is a property that determines in which
 452  * subsystem an executable file runs under.
 453  *
 454  * Binary types returned:
 455  * SCS_32BIT_BINARY: A Win32 based application
 456  * SCS_DOS_BINARY: An MS-Dos based application
 457  * SCS_WOW_BINARY: A Win16 based application
 458  * SCS_PIF_BINARY: A PIF file that executes an MS-Dos based app
 459  * SCS_POSIX_BINARY: A POSIX based application ( Not implemented )
 460  * SCS_OS216_BINARY: A 16bit OS/2 based application
 461  *
 462  * Returns TRUE if the file is an executable in which case
 463  * the value pointed by lpBinaryType is set.
 464  * Returns FALSE if the file is not an executable or if the function fails.
 465  *
 466  * To do so it opens the file and reads in the header information
 467  * if the extended header information is not present it will
 468  * assume that the file is a DOS executable.
 469  * If the extended header information is present it will
 470  * determine if the file is a 16 or 32 bit Windows executable
 471  * by check the flags in the header.
 472  *
 473  * Note that .COM and .PIF files are only recognized by their
 474  * file name extension; but Windows does it the same way ...
 475  */
 476 BOOL MODULE_GetBinaryType( HANDLE hfile, LPCSTR filename, LPDWORD lpBinaryType )
 477 {
 478     IMAGE_DOS_HEADER mz_header;
 479     char magic[4], *ptr;
 480     DWORD len;
 481
 482     /* Seek to the start of the file and read the DOS header information.
 483      */
 484     if (    SetFilePointer( hfile, 0, NULL, SEEK_SET ) != -1
 485          && ReadFile( hfile, &mz_header, sizeof(mz_header), &len, NULL )
 486          && len == sizeof(mz_header) )
 487     {
 488         /* Now that we have the header check the e_magic field
 489          * to see if this is a dos image.
 490          */
 491         if ( mz_header.e_magic == IMAGE_DOS_SIGNATURE )
 492         {
 493             BOOL lfanewValid = FALSE;
 494             /* We do have a DOS image so we will now try to seek into
 495              * the file by the amount indicated by the field
 496              * "Offset to extended header" and read in the
 497              * "magic" field information at that location.
 498              * This will tell us if there is more header information
 499              * to read or not.
 500              */
 501             /* But before we do we will make sure that header
 502              * structure encompasses the "Offset to extended header"
 503              * field.
 504              */
 505             if ( (mz_header.e_cparhdr<<4) >= sizeof(IMAGE_DOS_HEADER) )
 506                 if ( ( mz_header.e_crlc == 0 ) ||
 507                      ( mz_header.e_lfarlc >= sizeof(IMAGE_DOS_HEADER) ) )
 508                     if (    mz_header.e_lfanew >= sizeof(IMAGE_DOS_HEADER)
 509                          && SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET ) != -1
 510                          && ReadFile( hfile, magic, sizeof(magic), &len, NULL )
 511                          && len == sizeof(magic) )
 512                         lfanewValid = TRUE;
 513
 514             if ( !lfanewValid )
 515             {
 516                 /* If we cannot read this "extended header" we will
 517                  * assume that we have a simple DOS executable.
 518                  */
 519                 *lpBinaryType = SCS_DOS_BINARY;
 520                 return TRUE;
 521             }
 522             else
 523             {
 524                 /* Reading the magic field succeeded so
 525                  * we will try to determine what type it is.
 526                  */
 527                 if ( *(DWORD*)magic      == IMAGE_NT_SIGNATURE )
 528                 {
 529                     /* This is an NT signature.
 530                      */
 531                     *lpBinaryType = SCS_32BIT_BINARY;
 532                     return TRUE;
 533                 }
 534                 else if ( *(WORD*)magic == IMAGE_OS2_SIGNATURE )
 535                 {
 536                     /* The IMAGE_OS2_SIGNATURE indicates that the
 537                      * "extended header is a Windows executable (NE)
 538                      * header."  This can mean either a 16-bit OS/2
 539                      * or a 16-bit Windows or even a DOS program
 540                      * (running under a DOS extender).  To decide
 541                      * which, we'll have to read the NE header.
 542                      */
 543
 544                      IMAGE_OS2_HEADER ne;
 545                      if (    SetFilePointer( hfile, mz_header.e_lfanew, NULL, SEEK_SET ) != -1
 546                           && ReadFile( hfile, &ne, sizeof(ne), &len, NULL )
 547                           && len == sizeof(ne) )
 548                      {
 549                          switch ( ne.ne_exetyp )
 550                          {
 551                          case 2:  *lpBinaryType = SCS_WOW_BINARY;   return TRUE;
 552                          case 5:  *lpBinaryType = SCS_DOS_BINARY;   return TRUE;
 553                          default: *lpBinaryType = SCS_OS216_BINARY; return TRUE;
 554                          }
 555                      }
 556                      /* Couldn't read header, so abort. */
 557                      return FALSE;
 558                 }
 559                 else
 560                 {
 561                     /* Unknown extended header, but this file is nonetheless
 562                        DOS-executable.
 563                      */
 564                     *lpBinaryType = SCS_DOS_BINARY;
 565                     return TRUE;
 566                 }
 567             }
 568         }
 569     }
 570
 571     /* If we get here, we don't even have a correct MZ header.
 572      * Try to check the file extension for known types ...
 573      */
 574     ptr = strrchr( filename, '.' );
 575     if ( ptr && !strchr( ptr, '\\' ) && !strchr( ptr, '/' ) )
 576     {
 577         if ( !lstrcmpiA( ptr, ".COM" ) )
 578         {
 579             *lpBinaryType = SCS_DOS_BINARY;
 580             return TRUE;
 581         }
 582
 583         if ( !lstrcmpiA( ptr, ".PIF" ) )
 584         {
 585             *lpBinaryType = SCS_PIF_BINARY;
 586             return TRUE;
 587         }
 588     }
 589
 590     return FALSE;
 591 }
 592
 593 /***********************************************************************
 594  *             GetBinaryTypeA                     [KERNEL32.280]
 595  */
 596 BOOL WINAPI GetBinaryTypeA( LPCSTR lpApplicationName, LPDWORD lpBinaryType )
 597 {
 598     BOOL ret = FALSE;
 599     HANDLE hfile;
 600
 601     TRACE_(win32)("%s\n", lpApplicationName );
 602
 603     /* Sanity check.
 604      */
 605     if ( lpApplicationName == NULL || lpBinaryType == NULL )
 606         return FALSE;
 607
 608     /* Open the file indicated by lpApplicationName for reading.
 609      */
 610     hfile = CreateFileA( lpApplicationName, GENERIC_READ, 0,
 611                          NULL, OPEN_EXISTING, 0, -1 );
 612     if ( hfile == INVALID_HANDLE_VALUE )
 613         return FALSE;
 614
 615     /* Check binary type
 616      */
 617     ret = MODULE_GetBinaryType( hfile, lpApplicationName, lpBinaryType );
 618
 619     /* Close the file.
 620      */
 621     CloseHandle( hfile );
 622
 623     return ret;
 624 }
 625
 626 /***********************************************************************
 627  *             GetBinaryTypeW                      [KERNEL32.281]
 628  */
 629 BOOL WINAPI GetBinaryTypeW( LPCWSTR lpApplicationName, LPDWORD lpBinaryType )
 630 {
 631     BOOL ret = FALSE;
 632     LPSTR strNew = NULL;
 633
 634     TRACE_(win32)("%s\n", debugstr_w(lpApplicationName) );
 635
 636     /* Sanity check.
 637      */
 638     if ( lpApplicationName == NULL || lpBinaryType == NULL )
 639         return FALSE;
 640
 641     /* Convert the wide string to a ascii string.
 642      */
 643     strNew = HEAP_strdupWtoA( GetProcessHeap(), 0, lpApplicationName );
 644
 645     if ( strNew != NULL )
 646     {
 647         ret = GetBinaryTypeA( strNew, lpBinaryType );
 648
 649         /* Free the allocated string.
 650          */
 651         HeapFree( GetProcessHeap(), 0, strNew );
 652     }
 653
 654     return ret;
 655 }
 656
 657
 658 /***********************************************************************
 659  *           WinExec16   (KERNEL.166)
 660  */
 661 HINSTANCE16 WINAPI WinExec16( LPCSTR lpCmdLine, UINT16 nCmdShow )
 662 {
 663     LPCSTR p;
 664     LPSTR name, cmdline;
 665     int len;
 666     HINSTANCE16 ret;
 667     char buffer[MAX_PATH];
 668
 669     if ((p = strchr( lpCmdLine, ' ' )))
 670     {
 671         if (!(name = HeapAlloc( GetProcessHeap(), 0, p - lpCmdLine + 1 )))
 672             return ERROR_NOT_ENOUGH_MEMORY;
 673         memcpy( name, lpCmdLine, p - lpCmdLine );
 674         name[p - lpCmdLine] = 0;
 675         p++;
 676         len = strlen(p);
 677         cmdline = SEGPTR_ALLOC( len + 2 );
 678         cmdline[0] = (BYTE)len;
 679         strcpy( cmdline + 1, p );
 680     }
 681     else
 682     {
 683         name = (LPSTR)lpCmdLine;
 684         cmdline = SEGPTR_ALLOC(2);
 685         cmdline[0] = cmdline[1] = 0;
 686     }
 687
 688     if (SearchPathA( NULL, name, ".exe", sizeof(buffer), buffer, NULL ))
 689     {
 690         LOADPARAMS16 params;
 691         WORD *showCmd = SEGPTR_ALLOC( 2*sizeof(WORD) );
 692         showCmd[0] = 2;
 693         showCmd[1] = nCmdShow;
 694
 695         params.hEnvironment = 0;
 696         params.cmdLine = SEGPTR_GET(cmdline);
 697         params.showCmd = SEGPTR_GET(showCmd);
 698         params.reserved = 0;
 699
 700         ret = LoadModule16( buffer, &params );
 701
 702         SEGPTR_FREE( showCmd );
 703         SEGPTR_FREE( cmdline );
 704     }
 705     else ret = GetLastError();
 706
 707     if (name != lpCmdLine) HeapFree( GetProcessHeap(), 0, name );
 708
 709     if (ret == 21)  /* 32-bit module */
 710     {
 711         SYSLEVEL_ReleaseWin16Lock();
 712         ret = WinExec( lpCmdLine, nCmdShow );
 713         SYSLEVEL_RestoreWin16Lock();
 714     }
 715     return ret;
 716 }
 717
 718 /***********************************************************************
 719  *           WinExec   (KERNEL32.566)
 720  */
 721 HINSTANCE WINAPI WinExec( LPCSTR lpCmdLine, UINT nCmdShow )
 722 {
 723     PROCESS_INFORMATION info;
 724     STARTUPINFOA startup;
 725     HINSTANCE hInstance;
 726
 727     memset( &startup, 0, sizeof(startup) );
 728     startup.cb = sizeof(startup);
 729     startup.dwFlags = STARTF_USESHOWWINDOW;
 730     startup.wShowWindow = nCmdShow;
 731
 732     if (CreateProcessA( NULL, (LPSTR)lpCmdLine, NULL, NULL, FALSE,
 733                         0, NULL, NULL, &startup, &info ))
 734     {
 735         /* Give 30 seconds to the app to come up */
 736         if (Callout.WaitForInputIdle ( info.hProcess, 30000 ) == 0xFFFFFFFF)
 737             WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
 738         hInstance = 33;
 739         /* Close off the handles */
 740         CloseHandle( info.hThread );
 741         CloseHandle( info.hProcess );
 742     }
 743     else if ((hInstance = GetLastError()) >= 32)
 744     {
 745         FIXME("Strange error set by CreateProcess: %d\n", hInstance );
 746         hInstance = 11;
 747     }
 748
 749     return hInstance;
 750 }
 751
 752 /**********************************************************************
 753  *          LoadModule    (KERNEL32.499)
 754  */
 755 HINSTANCE WINAPI LoadModule( LPCSTR name, LPVOID paramBlock )
 756 {
 757     LOADPARAMS *params = (LOADPARAMS *)paramBlock;
 758     PROCESS_INFORMATION info;
 759     STARTUPINFOA startup;
 760     HINSTANCE hInstance;
 761     LPSTR cmdline, p;
 762     char filename[MAX_PATH];
 763     BYTE len;
 764
 765     if (!name) return ERROR_FILE_NOT_FOUND;
 766
 767     if (!SearchPathA( NULL, name, ".exe", sizeof(filename), filename, NULL ) &&
 768         !SearchPathA( NULL, name, NULL, sizeof(filename), filename, NULL ))
 769         return GetLastError();
 770
 771     len = (BYTE)params->lpCmdLine[0];
 772     if (!(cmdline = HeapAlloc( GetProcessHeap(), 0, strlen(filename) + len + 2 )))
 773         return ERROR_NOT_ENOUGH_MEMORY;
 774
 775     strcpy( cmdline, filename );
 776     p = cmdline + strlen(cmdline);
 777     *p++ = ' ';
 778     memcpy( p, params->lpCmdLine + 1, len );
 779     p[len] = 0;
 780
 781     memset( &startup, 0, sizeof(startup) );
 782     startup.cb = sizeof(startup);
 783     if (params->lpCmdShow)
 784     {
 785         startup.dwFlags = STARTF_USESHOWWINDOW;
 786         startup.wShowWindow = params->lpCmdShow[1];
 787     }
 788
 789     if (CreateProcessA( filename, cmdline, NULL, NULL, FALSE, 0,
 790                         params->lpEnvAddress, NULL, &startup, &info ))
 791     {
 792         /* Give 30 seconds to the app to come up */
 793         if ( Callout.WaitForInputIdle ( info.hProcess, 30000 ) ==  0xFFFFFFFF )
 794             WARN("WaitForInputIdle failed: Error %ld\n", GetLastError() );
 795         hInstance = 33;
 796         /* Close off the handles */
 797         CloseHandle( info.hThread );
 798         CloseHandle( info.hProcess );
 799     }
 800     else if ((hInstance = GetLastError()) >= 32)
 801     {
 802         FIXME("Strange error set by CreateProcess: %d\n", hInstance );
 803         hInstance = 11;
 804     }
 805
 806     HeapFree( GetProcessHeap(), 0, cmdline );
 807     return hInstance;
 808 }
 809
 810
 811 /*************************************************************************
 812  *               get_file_name
 813  *
 814  * Helper for CreateProcess: retrieve the file name to load from the
 815  * app name and command line. Store the file name in buffer, and
 816  * return a possibly modified command line.
 817  */
 818 static LPSTR get_file_name( LPCSTR appname, LPSTR cmdline, LPSTR buffer, int buflen )
 819 {
 820     char *name, *pos, *ret = NULL;
 821     const char *p;
 822
 823     /* if we have an app name, everything is easy */
 824
 825     if (appname)
 826     {
 827         /* use the unmodified app name as file name */
 828         lstrcpynA( buffer, appname, buflen );
 829         if (!(ret = cmdline))
 830         {
 831             /* no command-line, create one */
 832             if ((ret = HeapAlloc( GetProcessHeap(), 0, strlen(appname) + 3 )))
 833                 sprintf( ret, "\"%s\"", appname );
 834         }
 835         return ret;
 836     }
 837
 838     if (!cmdline)
 839     {
 840         SetLastError( ERROR_INVALID_PARAMETER );
 841         return NULL;
 842     }
 843
 844     /* first check for a quoted file name */
 845
 846     if ((cmdline[0] == '"') && ((p = strchr( cmdline + 1, '"' ))))
 847     {
 848         int len = p - cmdline - 1;
 849         /* extract the quoted portion as file name */
 850         if (!(name = HeapAlloc( GetProcessHeap(), 0, len + 1 ))) return NULL;
 851         memcpy( name, cmdline + 1, len );
 852         name[len] = 0;
 853
 854         if (SearchPathA( NULL, name, ".exe", buflen, buffer, NULL ) ||
 855             SearchPathA( NULL, name, NULL, buflen, buffer, NULL ))
 856             ret = cmdline;  /* no change necessary */
 857         goto done;
 858     }
 859
 860     /* now try the command-line word by word */
 861
 862     if (!(name = HeapAlloc( GetProcessHeap(), 0, strlen(cmdline) + 1 ))) return NULL;
 863     pos = name;
 864     p = cmdline;
 865
 866     while (*p)
 867     {
 868         do *pos++ = *p++; while (*p && *p != ' ');
 869         *pos = 0;
 870         TRACE("trying '%s'\n", name );
 871         if (SearchPathA( NULL, name, ".exe", buflen, buffer, NULL ) ||
 872             SearchPathA( NULL, name, NULL, buflen, buffer, NULL ))
 873         {
 874             ret = cmdline;
 875             break;
 876         }
 877     }
 878
 879     if (!ret || !strchr( name, ' ' )) goto done;  /* no change necessary */
 880
 881     /* now build a new command-line with quotes */
 882
 883     if (!(ret = HeapAlloc( GetProcessHeap(), 0, strlen(cmdline) + 3 ))) goto done;
 884     sprintf( ret, "\"%s\"%s", name, p );
 885
 886  done:
 887     HeapFree( GetProcessHeap(), 0, name );
 888     return ret;
 889 }
 890
 891
 892 /**********************************************************************
 893  *       CreateProcessA          (KERNEL32.171)
 894  */
 895 BOOL WINAPI CreateProcessA( LPCSTR lpApplicationName, LPSTR lpCommandLine,
 896                             LPSECURITY_ATTRIBUTES lpProcessAttributes,
 897                             LPSECURITY_ATTRIBUTES lpThreadAttributes,
 898                             BOOL bInheritHandles, DWORD dwCreationFlags,
 899                             LPVOID lpEnvironment, LPCSTR lpCurrentDirectory,
 900                             LPSTARTUPINFOA lpStartupInfo,
 901                             LPPROCESS_INFORMATION lpProcessInfo )
 902 {
 903     BOOL retv = FALSE;
 904     HANDLE hFile;
 905     DWORD type;
 906     char name[MAX_PATH];
 907     LPSTR tidy_cmdline;
 908
 909     /* Process the AppName and/or CmdLine to get module name and path */
 910
 911     TRACE("app '%s' cmdline '%s'\n", lpApplicationName, lpCommandLine );
 912
 913     if (!(tidy_cmdline = get_file_name( lpApplicationName, lpCommandLine, name, sizeof(name) )))
 914         return FALSE;
 915
 916     /* Warn if unsupported features are used */
 917
 918     if (dwCreationFlags & DETACHED_PROCESS)
 919         FIXME("(%s,...): DETACHED_PROCESS ignored\n", name);
 920     if (dwCreationFlags & CREATE_NEW_CONSOLE)
 921         FIXME("(%s,...): CREATE_NEW_CONSOLE ignored\n", name);
 922     if (dwCreationFlags & NORMAL_PRIORITY_CLASS)
 923         FIXME("(%s,...): NORMAL_PRIORITY_CLASS ignored\n", name);
 924     if (dwCreationFlags & IDLE_PRIORITY_CLASS)
 925         FIXME("(%s,...): IDLE_PRIORITY_CLASS ignored\n", name);
 926     if (dwCreationFlags & HIGH_PRIORITY_CLASS)
 927         FIXME("(%s,...): HIGH_PRIORITY_CLASS ignored\n", name);
 928     if (dwCreationFlags & REALTIME_PRIORITY_CLASS)
 929         FIXME("(%s,...): REALTIME_PRIORITY_CLASS ignored\n", name);
 930     if (dwCreationFlags & CREATE_NEW_PROCESS_GROUP)
 931         FIXME("(%s,...): CREATE_NEW_PROCESS_GROUP ignored\n", name);
 932     if (dwCreationFlags & CREATE_UNICODE_ENVIRONMENT)
 933         FIXME("(%s,...): CREATE_UNICODE_ENVIRONMENT ignored\n", name);
 934     if (dwCreationFlags & CREATE_SEPARATE_WOW_VDM)
 935         FIXME("(%s,...): CREATE_SEPARATE_WOW_VDM ignored\n", name);
 936     if (dwCreationFlags & CREATE_SHARED_WOW_VDM)
 937         FIXME("(%s,...): CREATE_SHARED_WOW_VDM ignored\n", name);
 938     if (dwCreationFlags & CREATE_DEFAULT_ERROR_MODE)
 939         FIXME("(%s,...): CREATE_DEFAULT_ERROR_MODE ignored\n", name);
 940     if (dwCreationFlags & CREATE_NO_WINDOW)
 941         FIXME("(%s,...): CREATE_NO_WINDOW ignored\n", name);
 942     if (dwCreationFlags & PROFILE_USER)
 943         FIXME("(%s,...): PROFILE_USER ignored\n", name);
 944     if (dwCreationFlags & PROFILE_KERNEL)
 945         FIXME("(%s,...): PROFILE_KERNEL ignored\n", name);
 946     if (dwCreationFlags & PROFILE_SERVER)
 947         FIXME("(%s,...): PROFILE_SERVER ignored\n", name);
 948     if (lpCurrentDirectory)
 949         FIXME("(%s,...): lpCurrentDirectory %s ignored\n",
 950                       name, lpCurrentDirectory);
 951     if (lpStartupInfo->lpDesktop)
 952         FIXME("(%s,...): lpStartupInfo->lpDesktop %s ignored\n",
 953                       name, lpStartupInfo->lpDesktop);
 954     if (lpStartupInfo->lpTitle)
 955         FIXME("(%s,...): lpStartupInfo->lpTitle %s ignored\n",
 956                       name, lpStartupInfo->lpTitle);
 957     if (lpStartupInfo->dwFlags & STARTF_USECOUNTCHARS)
 958         FIXME("(%s,...): STARTF_USECOUNTCHARS (%ld,%ld) ignored\n",
 959                       name, lpStartupInfo->dwXCountChars, lpStartupInfo->dwYCountChars);
 960     if (lpStartupInfo->dwFlags & STARTF_USEFILLATTRIBUTE)
 961         FIXME("(%s,...): STARTF_USEFILLATTRIBUTE %lx ignored\n",
 962                       name, lpStartupInfo->dwFillAttribute);
 963     if (lpStartupInfo->dwFlags & STARTF_RUNFULLSCREEN)
 964         FIXME("(%s,...): STARTF_RUNFULLSCREEN ignored\n", name);
 965     if (lpStartupInfo->dwFlags & STARTF_FORCEONFEEDBACK)
 966         FIXME("(%s,...): STARTF_FORCEONFEEDBACK ignored\n", name);
 967     if (lpStartupInfo->dwFlags & STARTF_FORCEOFFFEEDBACK)
 968         FIXME("(%s,...): STARTF_FORCEOFFFEEDBACK ignored\n", name);
 969     if (lpStartupInfo->dwFlags & STARTF_USEHOTKEY)
 970         FIXME("(%s,...): STARTF_USEHOTKEY ignored\n", name);
 971
 972     /* Open file and determine executable type */
 973
 974     hFile = CreateFileA( name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, -1 );
 975     if (hFile == INVALID_HANDLE_VALUE) goto done;
 976
 977     if ( !MODULE_GetBinaryType( hFile, name, &type ) )
 978     {
 979         CloseHandle( hFile );
 980         retv = PROCESS_Create( -1, name, tidy_cmdline, lpEnvironment,
 981                                lpProcessAttributes, lpThreadAttributes,
 982                                bInheritHandles, dwCreationFlags,
 983                                lpStartupInfo, lpProcessInfo );
 984         goto done;
 985     }
 986
 987     /* Create process */
 988
 989     switch ( type )
 990     {
 991     case SCS_32BIT_BINARY:
 992     case SCS_WOW_BINARY:
 993     case SCS_DOS_BINARY:
 994         retv = PROCESS_Create( hFile, name, tidy_cmdline, lpEnvironment,
 995                                lpProcessAttributes, lpThreadAttributes,
 996                                bInheritHandles, dwCreationFlags,
 997                                lpStartupInfo, lpProcessInfo );
 998         break;
 999
1000     case SCS_PIF_BINARY:
1001     case SCS_POSIX_BINARY:
1002     case SCS_OS216_BINARY:
1003         FIXME("Unsupported executable type: %ld\n", type );
1004         /* fall through */
1005
1006     default:
1007         SetLastError( ERROR_BAD_FORMAT );
1008         break;
1009     }
1010     CloseHandle( hFile );
1011
1012  done:
1013     if (tidy_cmdline != lpCommandLine) HeapFree( GetProcessHeap(), 0, tidy_cmdline );
1014     return retv;
1015 }
1016
1017 /**********************************************************************
1018  *       CreateProcessW          (KERNEL32.172)
1019  * NOTES
1020  *  lpReserved is not converted
1021  */
1022 BOOL WINAPI CreateProcessW( LPCWSTR lpApplicationName, LPWSTR lpCommandLine,
1023                                 LPSECURITY_ATTRIBUTES lpProcessAttributes,
1024                                 LPSECURITY_ATTRIBUTES lpThreadAttributes,
1025                                 BOOL bInheritHandles, DWORD dwCreationFlags,
1026                                 LPVOID lpEnvironment, LPCWSTR lpCurrentDirectory,
1027                                 LPSTARTUPINFOW lpStartupInfo,
1028                                 LPPROCESS_INFORMATION lpProcessInfo )
1029 {   BOOL ret;
1030     STARTUPINFOA StartupInfoA;
1031
1032     LPSTR lpApplicationNameA = HEAP_strdupWtoA (GetProcessHeap(),0,lpApplicationName);
1033     LPSTR lpCommandLineA = HEAP_strdupWtoA (GetProcessHeap(),0,lpCommandLine);
1034     LPSTR lpCurrentDirectoryA = HEAP_strdupWtoA (GetProcessHeap(),0,lpCurrentDirectory);
1035
1036     memcpy (&StartupInfoA, lpStartupInfo, sizeof(STARTUPINFOA));
1037     StartupInfoA.lpDesktop = HEAP_strdupWtoA (GetProcessHeap(),0,lpStartupInfo->lpDesktop);
1038     StartupInfoA.lpTitle = HEAP_strdupWtoA (GetProcessHeap(),0,lpStartupInfo->lpTitle);
1039
1040     TRACE_(win32)("(%s,%s,...)\n", debugstr_w(lpApplicationName), debugstr_w(lpCommandLine));
1041
1042     if (lpStartupInfo->lpReserved)
1043       FIXME_(win32)("StartupInfo.lpReserved is used, please report (%s)\n", debugstr_w(lpStartupInfo->lpReserved));
1044
1045     ret = CreateProcessA(  lpApplicationNameA,  lpCommandLineA,
1046                              lpProcessAttributes, lpThreadAttributes,
1047                              bInheritHandles, dwCreationFlags,
1048                              lpEnvironment, lpCurrentDirectoryA,
1049                              &StartupInfoA, lpProcessInfo );
1050
1051     HeapFree( GetProcessHeap(), 0, lpCurrentDirectoryA );
1052     HeapFree( GetProcessHeap(), 0, lpCommandLineA );
1053     HeapFree( GetProcessHeap(), 0, StartupInfoA.lpDesktop );
1054     HeapFree( GetProcessHeap(), 0, StartupInfoA.lpTitle );
1055
1056     return ret;
1057 }
1058
1059 /***********************************************************************
1060  *              GetModuleHandleA         (KERNEL32.237)
1061  */
1062 HMODULE WINAPI GetModuleHandleA(LPCSTR module)
1063 {
1064     WINE_MODREF *wm;
1065
1066     if ( module == NULL )
1067         wm = PROCESS_Current()->exe_modref;
1068     else
1069         wm = MODULE_FindModule( module );
1070
1071     return wm? wm->module : 0;
1072 }
1073
1074 /***********************************************************************
1075  *              GetModuleHandleW
1076  */
1077 HMODULE WINAPI GetModuleHandleW(LPCWSTR module)
1078 {
1079     HMODULE hModule;
1080     LPSTR modulea = HEAP_strdupWtoA( GetProcessHeap(), 0, module );
1081     hModule = GetModuleHandleA( modulea );
1082     HeapFree( GetProcessHeap(), 0, modulea );
1083     return hModule;
1084 }
1085
1086
1087 /***********************************************************************
1088  *              GetModuleFileNameA      (KERNEL32.235)
1089  *
1090  * GetModuleFileNameA seems to *always* return the long path;
1091  * it's only GetModuleFileName16 that decides between short/long path
1092  * by checking if exe version >= 4.0.
1093  * (SDK docu doesn't mention this)
1094  */
1095 DWORD WINAPI GetModuleFileNameA(
1096         HMODULE hModule,        /* [in] module handle (32bit) */
1097         LPSTR lpFileName,       /* [out] filenamebuffer */
1098         DWORD size              /* [in] size of filenamebuffer */
1099 ) {
1100     WINE_MODREF *wm = MODULE32_LookupHMODULE( hModule );
1101
1102     if (!wm) /* can happen on start up or the like */
1103         return 0;
1104
1105     lstrcpynA( lpFileName, wm->filename, size );
1106
1107     TRACE("%s\n", lpFileName );
1108     return strlen(lpFileName);
1109 }
1110
1111
1112 /***********************************************************************
1113  *              GetModuleFileNameW      (KERNEL32.236)
1114  */
1115 DWORD WINAPI GetModuleFileNameW( HMODULE hModule, LPWSTR lpFileName,
1116                                    DWORD size )
1117 {
1118     LPSTR fnA = (char*)HeapAlloc( GetProcessHeap(), 0, size );
1119     DWORD res = GetModuleFileNameA( hModule, fnA, size );
1120     lstrcpynAtoW( lpFileName, fnA, size );
1121     HeapFree( GetProcessHeap(), 0, fnA );
1122     return res;
1123 }
1124
1125
1126 /***********************************************************************
1127  *           LoadLibraryExA   (KERNEL32)
1128  */
1129 HMODULE WINAPI LoadLibraryExA(LPCSTR libname, HANDLE hfile, DWORD flags)
1130 {
1131         WINE_MODREF *wm;
1132
1133         if(!libname)
1134         {
1135                 SetLastError(ERROR_INVALID_PARAMETER);
1136                 return 0;
1137         }
1138
1139         EnterCriticalSection(&PROCESS_Current()->crit_section);
1140
1141         wm = MODULE_LoadLibraryExA( libname, hfile, flags );
1142         if ( wm )
1143         {
1144                 if ( !MODULE_DllProcessAttach( wm, NULL ) )
1145                 {
1146                         WARN_(module)("Attach failed for module '%s', \n", libname);
1147                         MODULE_FreeLibrary(wm);
1148                         SetLastError(ERROR_DLL_INIT_FAILED);
1149                         wm = NULL;
1150                 }
1151         }
1152
1153         LeaveCriticalSection(&PROCESS_Current()->crit_section);
1154
1155         return wm ? wm->module : 0;
1156 }
1157
1158 /***********************************************************************
1159  *      MODULE_LoadLibraryExA   (internal)
1160  *
1161  * Load a PE style module according to the load order.
1162  *
1163  * The HFILE parameter is not used and marked reserved in the SDK. I can
1164  * only guess that it should force a file to be mapped, but I rather
1165  * ignore the parameter because it would be extremely difficult to
1166  * integrate this with different types of module represenations.
1167  *
1168  */
1169 WINE_MODREF *MODULE_LoadLibraryExA( LPCSTR libname, HFILE hfile, DWORD flags )
1170 {
1171         DWORD err = GetLastError();
1172         WINE_MODREF *pwm;
1173         int i;
1174         module_loadorder_t *plo;
1175
1176         EnterCriticalSection(&PROCESS_Current()->crit_section);
1177
1178         /* Check for already loaded module */
1179         if((pwm = MODULE_FindModule(libname)))
1180         {
1181                 if(!(pwm->flags & WINE_MODREF_MARKER))
1182                         pwm->refCount++;
1183                 TRACE("Already loaded module '%s' at 0x%08x, count=%d, \n", libname, pwm->module, pwm->refCount);
1184                 LeaveCriticalSection(&PROCESS_Current()->crit_section);
1185                 return pwm;
1186         }
1187
1188         plo = MODULE_GetLoadOrder(libname);
1189
1190         for(i = 0; i < MODULE_LOADORDER_NTYPES; i++)
1191         {
1192                 SetLastError( ERROR_FILE_NOT_FOUND );
1193                 switch(plo->loadorder[i])
1194                 {
1195                 case MODULE_LOADORDER_DLL:
1196                         TRACE("Trying native dll '%s'\n", libname);
1197                         pwm = PE_LoadLibraryExA(libname, flags);
1198                         break;
1199
1200                 case MODULE_LOADORDER_ELFDLL:
1201                         TRACE("Trying elfdll '%s'\n", libname);
1202                         if (!(pwm = BUILTIN32_LoadLibraryExA(libname, flags)))
1203                             pwm = ELFDLL_LoadLibraryExA(libname, flags);
1204                         break;
1205
1206                 case MODULE_LOADORDER_SO:
1207                         TRACE("Trying so-library '%s'\n", libname);
1208                         if (!(pwm = BUILTIN32_LoadLibraryExA(libname, flags)))
1209                             pwm = ELF_LoadLibraryExA(libname, flags);
1210                         break;
1211
1212                 case MODULE_LOADORDER_BI:
1213                         TRACE("Trying built-in '%s'\n", libname);
1214                         pwm = BUILTIN32_LoadLibraryExA(libname, flags);
1215                         break;
1216
1217                 default:
1218                         ERR("Got invalid loadorder type %d (%s index %d)\n", plo->loadorder[i], plo->modulename, i);
1219                 /* Fall through */
1220
1221                 case MODULE_LOADORDER_INVALID:  /* We ignore this as it is an empty entry */
1222                         pwm = NULL;
1223                         break;
1224                 }
1225
1226                 if(pwm)
1227                 {
1228                         /* Initialize DLL just loaded */
1229                         TRACE("Loaded module '%s' at 0x%08x, \n", libname, pwm->module);
1230
1231                         /* Set the refCount here so that an attach failure will */
1232                         /* decrement the dependencies through the MODULE_FreeLibrary call. */
1233                         pwm->refCount++;
1234
1235                         LeaveCriticalSection(&PROCESS_Current()->crit_section);
1236                         SetLastError( err );  /* restore last error */
1237                         return pwm;
1238                 }
1239
1240                 if(GetLastError() != ERROR_FILE_NOT_FOUND)
1241                         break;
1242         }
1243
1244         WARN("Failed to load module '%s'; error=0x%08lx, \n", libname, GetLastError());
1245         LeaveCriticalSection(&PROCESS_Current()->crit_section);
1246         return NULL;
1247 }
1248
1249 /***********************************************************************
1250  *           LoadLibraryA         (KERNEL32)
1251  */
1252 HMODULE WINAPI LoadLibraryA(LPCSTR libname) {
1253         return LoadLibraryExA(libname,0,0);
1254 }
1255
1256 /***********************************************************************
1257  *           LoadLibraryW         (KERNEL32)
1258  */
1259 HMODULE WINAPI LoadLibraryW(LPCWSTR libnameW)
1260 {
1261     return LoadLibraryExW(libnameW,0,0);
1262 }
1263
1264 /***********************************************************************
1265  *           LoadLibrary32_16   (KERNEL.452)
1266  */
1267 HMODULE WINAPI LoadLibrary32_16( LPCSTR libname )
1268 {
1269     HMODULE hModule;
1270
1271     SYSLEVEL_ReleaseWin16Lock();
1272     hModule = LoadLibraryA( libname );
1273     SYSLEVEL_RestoreWin16Lock();
1274
1275     return hModule;
1276 }
1277
1278 /***********************************************************************
1279  *           LoadLibraryExW       (KERNEL32)
1280  */
1281 HMODULE WINAPI LoadLibraryExW(LPCWSTR libnameW,HANDLE hfile,DWORD flags)
1282 {
1283     LPSTR libnameA = HEAP_strdupWtoA( GetProcessHeap(), 0, libnameW );
1284     HMODULE ret = LoadLibraryExA( libnameA , hfile, flags );
1285
1286     HeapFree( GetProcessHeap(), 0, libnameA );
1287     return ret;
1288 }
1289
1290 /***********************************************************************
1291  *           MODULE_FlushModrefs
1292  *
1293  * NOTE: Assumes that the process critical section is held!
1294  *
1295  * Remove all unused modrefs and call the internal unloading routines
1296  * for the library type.
1297  */
1298 static void MODULE_FlushModrefs(void)
1299 {
1300         WINE_MODREF *wm, *next;
1301
1302         for(wm = PROCESS_Current()->modref_list; wm; wm = next)
1303         {
1304                 next = wm->next;
1305
1306                 if(wm->refCount)
1307                         continue;
1308
1309                 /* Unlink this modref from the chain */
1310                 if(wm->next)
1311                         wm->next->prev = wm->prev;
1312                 if(wm->prev)
1313                         wm->prev->next = wm->next;
1314                 if(wm == PROCESS_Current()->modref_list)
1315                         PROCESS_Current()->modref_list = wm->next;
1316
1317                 /*
1318                  * The unloaders are also responsible for freeing the modref itself
1319                  * because the loaders were responsible for allocating it.
1320                  */
1321                 switch(wm->type)
1322                 {
1323                 case MODULE32_PE:       if ( !(wm->flags & WINE_MODREF_INTERNAL) )
1324                                                PE_UnloadLibrary(wm);
1325                                         else
1326                                                BUILTIN32_UnloadLibrary(wm);
1327                                         break;
1328                 case MODULE32_ELF:      ELF_UnloadLibrary(wm);          break;
1329                 case MODULE32_ELFDLL:   ELFDLL_UnloadLibrary(wm);       break;
1330
1331                 default:
1332                         ERR("Invalid or unhandled MODREF type %d encountered (wm=%p)\n", wm->type, wm);
1333                 }
1334         }
1335 }
1336
1337 /***********************************************************************
1338  *           FreeLibrary
1339  */
1340 BOOL WINAPI FreeLibrary(HINSTANCE hLibModule)
1341 {
1342     BOOL retv = FALSE;
1343     WINE_MODREF *wm;
1344
1345     EnterCriticalSection( &PROCESS_Current()->crit_section );
1346     PROCESS_Current()->free_lib_count++;
1347
1348     wm = MODULE32_LookupHMODULE( hLibModule );
1349     if ( !wm || !hLibModule )
1350         SetLastError( ERROR_INVALID_HANDLE );
1351     else
1352         retv = MODULE_FreeLibrary( wm );
1353
1354     PROCESS_Current()->free_lib_count--;
1355     LeaveCriticalSection( &PROCESS_Current()->crit_section );
1356
1357     return retv;
1358 }
1359
1360 /***********************************************************************
1361  *           MODULE_DecRefCount
1362  *
1363  * NOTE: Assumes that the process critical section is held!
1364  */
1365 static void MODULE_DecRefCount( WINE_MODREF *wm )
1366 {
1367     int i;
1368
1369     if ( wm->flags & WINE_MODREF_MARKER )
1370         return;
1371
1372     if ( wm->refCount <= 0 )
1373         return;
1374
1375     --wm->refCount;
1376     TRACE("(%s) refCount: %d\n", wm->modname, wm->refCount );
1377
1378     if ( wm->refCount == 0 )
1379     {
1380         wm->flags |= WINE_MODREF_MARKER;
1381
1382         for ( i = 0; i < wm->nDeps; i++ )
1383             if ( wm->deps[i] )
1384                 MODULE_DecRefCount( wm->deps[i] );
1385
1386         wm->flags &= ~WINE_MODREF_MARKER;
1387     }
1388 }
1389
1390 /***********************************************************************
1391  *           MODULE_FreeLibrary
1392  *
1393  * NOTE: Assumes that the process critical section is held!
1394  */
1395 BOOL MODULE_FreeLibrary( WINE_MODREF *wm )
1396 {
1397     TRACE("(%s) - START\n", wm->modname );
1398
1399     /* Recursively decrement reference counts */
1400     MODULE_DecRefCount( wm );
1401
1402     /* Call process detach notifications */
1403     if ( PROCESS_Current()->free_lib_count <= 1 )
1404     {
1405         struct unload_dll_request *req = get_req_buffer();
1406
1407         MODULE_DllProcessDetach( FALSE, NULL );
1408         req->base = (void *)wm->module;
1409         server_call_noerr( REQ_UNLOAD_DLL );
1410
1411         MODULE_FlushModrefs();
1412     }
1413
1414     TRACE("END\n");
1415
1416     return TRUE;
1417 }
1418
1419
1420 /***********************************************************************
1421  *           FreeLibraryAndExitThread
1422  */
1423 VOID WINAPI FreeLibraryAndExitThread(HINSTANCE hLibModule, DWORD dwExitCode)
1424 {
1425     FreeLibrary(hLibModule);
1426     ExitThread(dwExitCode);
1427 }
1428
1429 /***********************************************************************
1430  *           PrivateLoadLibrary       (KERNEL32)
1431  *
1432  * FIXME: rough guesswork, don't know what "Private" means
1433  */
1434 HINSTANCE WINAPI PrivateLoadLibrary(LPCSTR libname)
1435 {
1436         return (HINSTANCE)LoadLibrary16(libname);
1437 }
1438
1439
1440
1441 /***********************************************************************
1442  *           PrivateFreeLibrary       (KERNEL32)
1443  *
1444  * FIXME: rough guesswork, don't know what "Private" means
1445  */
1446 void WINAPI PrivateFreeLibrary(HINSTANCE handle)
1447 {
1448         FreeLibrary16((HINSTANCE16)handle);
1449 }
1450
1451
1452 /***********************************************************************
1453  *           WIN32_GetProcAddress16   (KERNEL32.36)
1454  * Get procaddress in 16bit module from win32... (kernel32 undoc. ordinal func)
1455  */
1456 FARPROC16 WINAPI WIN32_GetProcAddress16( HMODULE hModule, LPCSTR name )
1457 {
1458     WORD        ordinal;
1459     FARPROC16   ret;
1460
1461     if (!hModule) {
1462         WARN("hModule may not be 0!\n");
1463         return (FARPROC16)0;
1464     }
1465     if (HIWORD(hModule))
1466     {
1467         WARN("hModule is Win32 handle (%08x)\n", hModule );
1468         return (FARPROC16)0;
1469     }
1470     hModule = GetExePtr( hModule );
1471     if (HIWORD(name)) {
1472         ordinal = NE_GetOrdinal( hModule, name );
1473         TRACE("%04x '%s'\n", hModule, name );
1474     } else {
1475         ordinal = LOWORD(name);
1476         TRACE("%04x %04x\n", hModule, ordinal );
1477     }
1478     if (!ordinal) return (FARPROC16)0;
1479     ret = NE_GetEntryPoint( hModule, ordinal );
1480     TRACE("returning %08x\n",(UINT)ret);
1481     return ret;
1482 }
1483
1484 /***********************************************************************
1485  *           GetProcAddress16   (KERNEL.50)
1486  */
1487 FARPROC16 WINAPI GetProcAddress16( HMODULE16 hModule, SEGPTR name )
1488 {
1489     WORD ordinal;
1490     FARPROC16 ret;
1491
1492     if (!hModule) hModule = GetCurrentTask();
1493     hModule = GetExePtr( hModule );
1494
1495     if (HIWORD(name) != 0)
1496     {
1497         ordinal = NE_GetOrdinal( hModule, (LPSTR)PTR_SEG_TO_LIN(name) );
1498         TRACE("%04x '%s'\n", hModule, (LPSTR)PTR_SEG_TO_LIN(name) );
1499     }
1500     else
1501     {
1502         ordinal = LOWORD(name);
1503         TRACE("%04x %04x\n", hModule, ordinal );
1504     }
1505     if (!ordinal) return (FARPROC16)0;
1506
1507     ret = NE_GetEntryPoint( hModule, ordinal );
1508
1509     TRACE("returning %08x\n", (UINT)ret );
1510     return ret;
1511 }
1512
1513
1514 /***********************************************************************
1515  *           GetProcAddress             (KERNEL32.257)
1516  */
1517 FARPROC WINAPI GetProcAddress( HMODULE hModule, LPCSTR function )
1518 {
1519     return MODULE_GetProcAddress( hModule, function, TRUE );
1520 }
1521
1522 /***********************************************************************
1523  *           GetProcAddress32                   (KERNEL.453)
1524  */
1525 FARPROC WINAPI GetProcAddress32_16( HMODULE hModule, LPCSTR function )
1526 {
1527     return MODULE_GetProcAddress( hModule, function, FALSE );
1528 }
1529
1530 /***********************************************************************
1531  *           MODULE_GetProcAddress              (internal)
1532  */
1533 FARPROC MODULE_GetProcAddress(
1534         HMODULE hModule,        /* [in] current module handle */
1535         LPCSTR function,        /* [in] function to be looked up */
1536         BOOL snoop )
1537 {
1538     WINE_MODREF *wm = MODULE32_LookupHMODULE( hModule );
1539     FARPROC     retproc;
1540
1541     if (HIWORD(function))
1542         TRACE_(win32)("(%08lx,%s)\n",(DWORD)hModule,function);
1543     else
1544         TRACE_(win32)("(%08lx,%p)\n",(DWORD)hModule,function);
1545     if (!wm) {
1546         SetLastError(ERROR_INVALID_HANDLE);
1547         return (FARPROC)0;
1548     }
1549     switch (wm->type)
1550     {
1551     case MODULE32_PE:
1552         retproc = PE_FindExportedFunction( wm, function, snoop );
1553         if (!retproc) SetLastError(ERROR_PROC_NOT_FOUND);
1554         return retproc;
1555     case MODULE32_ELF:
1556         retproc = ELF_FindExportedFunction( wm, function);
1557         if (!retproc) SetLastError(ERROR_PROC_NOT_FOUND);
1558         return retproc;
1559     default:
1560         ERR("wine_modref type %d not handled.\n",wm->type);
1561         SetLastError(ERROR_INVALID_HANDLE);
1562         return (FARPROC)0;
1563     }
1564 }
1565
1566
1567 /***********************************************************************
1568  *           RtlImageNtHeader   (NTDLL)
1569  */
1570 PIMAGE_NT_HEADERS WINAPI RtlImageNtHeader(HMODULE hModule)
1571 {
1572     /* basically:
1573      * return  hModule+(((IMAGE_DOS_HEADER*)hModule)->e_lfanew);
1574      * but we could get HMODULE16 or the like (think builtin modules)
1575      */
1576
1577     WINE_MODREF *wm = MODULE32_LookupHMODULE( hModule );
1578     if (!wm || (wm->type != MODULE32_PE)) return (PIMAGE_NT_HEADERS)0;
1579     return PE_HEADER(wm->module);
1580 }
1581
1582
1583 /***************************************************************************
1584  *              HasGPHandler                    (KERNEL.338)
1585  */
1586
1587 #include "pshpack1.h"
1588 typedef struct _GPHANDLERDEF
1589 {
1590     WORD selector;
1591     WORD rangeStart;
1592     WORD rangeEnd;
1593     WORD handler;
1594 } GPHANDLERDEF;
1595 #include "poppack.h"
1596
1597 SEGPTR WINAPI HasGPHandler16( SEGPTR address )
1598 {
1599     HMODULE16 hModule;
1600     int gpOrdinal;
1601     SEGPTR gpPtr;
1602     GPHANDLERDEF *gpHandler;
1603
1604     if (    (hModule = FarGetOwner16( SELECTOROF(address) )) != 0
1605          && (gpOrdinal = NE_GetOrdinal( hModule, "__GP" )) != 0
1606          && (gpPtr = (SEGPTR)NE_GetEntryPointEx( hModule, gpOrdinal, FALSE )) != 0
1607          && !IsBadReadPtr16( gpPtr, sizeof(GPHANDLERDEF) )
1608          && (gpHandler = PTR_SEG_TO_LIN( gpPtr )) != NULL )
1609     {
1610         while (gpHandler->selector)
1611         {
1612             if (    SELECTOROF(address) == gpHandler->selector
1613                  && OFFSETOF(address)   >= gpHandler->rangeStart
1614                  && OFFSETOF(address)   <  gpHandler->rangeEnd  )
1615                 return PTR_SEG_OFF_TO_SEGPTR( gpHandler->selector,
1616                                               gpHandler->handler );
1617             gpHandler++;
1618         }
1619     }
1620
1621     return 0;
1622 }
1623