dlls/krnl386.exe16/kernel.c

   1 /*
   2  * 16-bit kernel initialization code
   3  *
   4  * Copyright 2000 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23
  24 #define WINE_NO_INLINE_STRING
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winternl.h"
  28 #include "wownt32.h"
  29 #include "wine/winuser16.h"
  30
  31 #include "kernel16_private.h"
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(module);
  35
  36 extern DWORD WINAPI GetProcessFlags( DWORD processid );
  37
  38 void *dummy = RaiseException;  /* force importing it from kernel32 */
  39
  40 static DWORD process_dword;
  41
  42 /***********************************************************************
  43  *           KERNEL thread initialisation routine
  44  */
  45 static void thread_attach(void)
  46 {
  47     /* allocate the 16-bit stack (FIXME: should be done lazily) */
  48     HGLOBAL16 hstack = WOWGlobalAlloc16( GMEM_FIXED, 0x10000 );
  49     CURRENT_SS = kernel_get_thread_data()->stack_sel = GlobalHandleToSel16( hstack );
  50     CURRENT_SP = 0x10000 - sizeof(STACK16FRAME);
  51     memset( (char *)GlobalLock16(hstack) + 0x10000 - sizeof(STACK16FRAME), 0, sizeof(STACK16FRAME) );
  52 }
  53
  54
  55 /***********************************************************************
  56  *           KERNEL thread finalisation routine
  57  */
  58 static void thread_detach(void)
  59 {
  60     /* free the 16-bit stack */
  61     WOWGlobalFree16( kernel_get_thread_data()->stack_sel );
  62     CURRENT_SS = CURRENT_SP = 0;
  63     if (NtCurrentTeb()->Tib.SubSystemTib) TASK_ExitTask();
  64 }
  65
  66
  67 /**************************************************************************
  68  *              DllMain
  69  */
  70 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
  71 {
  72     switch(reason)
  73     {
  74     case DLL_PROCESS_ATTACH:
  75         init_selectors();
  76         if (LoadLibrary16( "krnl386.exe" ) < 32) return FALSE;
  77         /* fall through */
  78     case DLL_THREAD_ATTACH:
  79         thread_attach();
  80         break;
  81     case DLL_THREAD_DETACH:
  82         thread_detach();
  83         break;
  84     }
  85     return TRUE;
  86 }
  87
  88
  89 /**************************************************************************
  90  *              DllEntryPoint   (KERNEL.669)
  91  */
  92 BOOL WINAPI KERNEL_DllEntryPoint( DWORD reasion, HINSTANCE16 inst, WORD ds,
  93                                   WORD heap, DWORD reserved1, WORD reserved2 )
  94 {
  95     static BOOL done;
  96
  97     /* the entry point can be called multiple times */
  98     if (done) return TRUE;
  99     done = TRUE;
 100
 101     /* create the shared heap for broken win95 native dlls */
 102     HeapCreate( HEAP_SHARED, 0, 0 );
 103
 104     /* setup emulation of protected instructions from 32-bit code */
 105     if (GetVersion() & 0x80000000) RtlAddVectoredExceptionHandler( TRUE, INSTR_vectored_handler );
 106
 107     /* Initialize 16-bit thunking entry points */
 108     if (!WOWTHUNK_Init()) return FALSE;
 109
 110     /* Initialize DOS memory */
 111     if (!DOSMEM_Init()) return FALSE;
 112
 113     /* Initialize special KERNEL entry points */
 114
 115     NE_SetEntryPoint( inst, 178, GetWinFlags16() );
 116
 117     NE_SetEntryPoint( inst, 454, get_cs() );
 118     NE_SetEntryPoint( inst, 455, get_ds() );
 119
 120     NE_SetEntryPoint( inst, 183, DOSMEM_0000H );       /* KERNEL.183: __0000H */
 121     NE_SetEntryPoint( inst, 173, DOSMEM_BiosSysSeg );  /* KERNEL.173: __ROMBIOS */
 122     NE_SetEntryPoint( inst, 193, DOSMEM_BiosDataSeg ); /* KERNEL.193: __0040H */
 123     NE_SetEntryPoint( inst, 194, DOSMEM_BiosSysSeg );  /* KERNEL.194: __F000H */
 124
 125     /* Initialize KERNEL.THHOOK */
 126     TASK_InstallTHHook(MapSL((SEGPTR)GetProcAddress16( inst, (LPCSTR)332 )));
 127     TASK_CreateMainTask();
 128
 129     /* Initialize the real-mode selector entry points */
 130 #define SET_ENTRY_POINT( num, addr ) \
 131     NE_SetEntryPoint( inst, (num), GLOBAL_CreateBlock( GMEM_FIXED, \
 132                       DOSMEM_MapDosToLinear(addr), 0x10000, inst, \
 133                       LDT_FLAGS_DATA ))
 134
 135     SET_ENTRY_POINT( 174, 0xa0000 );  /* KERNEL.174: __A000H */
 136     SET_ENTRY_POINT( 181, 0xb0000 );  /* KERNEL.181: __B000H */
 137     SET_ENTRY_POINT( 182, 0xb8000 );  /* KERNEL.182: __B800H */
 138     SET_ENTRY_POINT( 195, 0xc0000 );  /* KERNEL.195: __C000H */
 139     SET_ENTRY_POINT( 179, 0xd0000 );  /* KERNEL.179: __D000H */
 140     SET_ENTRY_POINT( 190, 0xe0000 );  /* KERNEL.190: __E000H */
 141 #undef SET_ENTRY_POINT
 142
 143     /* Force loading of some dlls */
 144     LoadLibrary16( "system.drv" );
 145     LoadLibrary16( "comm.drv" );
 146
 147     return TRUE;
 148 }
 149
 150 /***********************************************************************
 151  *         GetVersion   (KERNEL.3)
 152  */
 153 DWORD WINAPI GetVersion16(void)
 154 {
 155     static WORD dosver, winver;
 156
 157     if (!dosver)  /* not determined yet */
 158     {
 159         RTL_OSVERSIONINFOEXW info;
 160
 161         info.dwOSVersionInfoSize = sizeof(info);
 162         if (RtlGetVersion( &info )) return 0;
 163
 164         if (info.dwMajorVersion <= 3)
 165             winver = MAKEWORD( info.dwMajorVersion, info.dwMinorVersion );
 166         else
 167             winver = MAKEWORD( 3, 95 );
 168
 169         switch(info.dwPlatformId)
 170         {
 171         case VER_PLATFORM_WIN32s:
 172             switch(MAKELONG( info.dwMinorVersion, info.dwMajorVersion ))
 173             {
 174             case 0x0200:
 175                 dosver = 0x0303;  /* DOS 3.3 for Windows 2.0 */
 176                 break;
 177             case 0x0300:
 178                 dosver = 0x0500;  /* DOS 5.0 for Windows 3.0 */
 179                 break;
 180             default:
 181                 dosver = 0x0616;  /* DOS 6.22 for Windows 3.1 and later */
 182                 break;
 183             }
 184             break;
 185         case VER_PLATFORM_WIN32_WINDOWS:
 186             /* DOS 8.0 for WinME, 7.0 for Win95/98 */
 187             if (info.dwMinorVersion >= 90) dosver = 0x0800;
 188             else dosver = 0x0700;
 189             break;
 190         case VER_PLATFORM_WIN32_NT:
 191             dosver = 0x0500;  /* always DOS 5.0 for NT */
 192             break;
 193         }
 194         TRACE( "DOS %d.%02d Win %d.%02d\n",
 195                HIBYTE(dosver), LOBYTE(dosver), LOBYTE(winver), HIBYTE(winver) );
 196     }
 197     return MAKELONG( winver, dosver );
 198 }
 199
 200 /***********************************************************************
 201  *              Reserved1 (KERNEL.77)
 202  */
 203 SEGPTR WINAPI KERNEL_AnsiNext16(SEGPTR current)
 204 {
 205     return (*(char *)MapSL(current)) ? current + 1 : current;
 206 }
 207
 208 /***********************************************************************
 209  *              Reserved2(KERNEL.78)
 210  */
 211 SEGPTR WINAPI KERNEL_AnsiPrev16( SEGPTR start, SEGPTR current )
 212 {
 213     return (current==start)?start:current-1;
 214 }
 215
 216 /***********************************************************************
 217  *              Reserved3 (KERNEL.79)
 218  */
 219 SEGPTR WINAPI KERNEL_AnsiUpper16( SEGPTR strOrChar )
 220 {
 221     /* uppercase only one char if strOrChar < 0x10000 */
 222     if (HIWORD(strOrChar))
 223     {
 224         char *s = MapSL(strOrChar);
 225         while (*s)
 226         {
 227             *s = toupper(*s);
 228             s++;
 229         }
 230         return strOrChar;
 231     }
 232     else return toupper((char)strOrChar);
 233 }
 234
 235 /***********************************************************************
 236  *              Reserved4 (KERNEL.80)
 237  */
 238 SEGPTR WINAPI KERNEL_AnsiLower16( SEGPTR strOrChar )
 239 {
 240     /* lowercase only one char if strOrChar < 0x10000 */
 241     if (HIWORD(strOrChar))
 242     {
 243         char *s = MapSL(strOrChar);
 244         while (*s)
 245         {
 246             *s = tolower(*s);
 247             s++;
 248         }
 249         return strOrChar;
 250     }
 251     else return tolower((char)strOrChar);
 252 }
 253
 254 /***********************************************************************
 255  *              Reserved5 (KERNEL.87)
 256  */
 257 INT16 WINAPI KERNEL_lstrcmp16( LPCSTR str1, LPCSTR str2 )
 258 {
 259     int ret = strcmp( str1, str2 );
 260
 261     /* Looks too complicated, but in optimized strcpy we might get
 262      * a 32bit wide difference and would truncate it to 16 bit, so
 263      * erroneously returning equality. */
 264     if (ret < 0) return -1;
 265     if (ret > 0) return  1;
 266     return 0;
 267 }
 268
 269 /***********************************************************************
 270  *           lstrcpy   (KERNEL.88)
 271  */
 272 SEGPTR WINAPI lstrcpy16( SEGPTR dst, LPCSTR src )
 273 {
 274     if (!lstrcpyA( MapSL(dst), src )) dst = 0;
 275     return dst;
 276 }
 277
 278 /***********************************************************************
 279  *           lstrcat   (KERNEL.89)
 280  */
 281 SEGPTR WINAPI lstrcat16( SEGPTR dst, LPCSTR src )
 282 {
 283     /* Windows does not check for NULL pointers here, so we don't either */
 284     strcat( MapSL(dst), src );
 285     return dst;
 286 }
 287
 288 /***********************************************************************
 289  *           lstrlen   (KERNEL.90)
 290  */
 291 INT16 WINAPI lstrlen16( LPCSTR str )
 292 {
 293     return (INT16)lstrlenA( str );
 294 }
 295
 296 /***********************************************************************
 297  *           OutputDebugString   (KERNEL.115)
 298  */
 299 void WINAPI OutputDebugString16( LPCSTR str )
 300 {
 301     OutputDebugStringA( str );
 302 }
 303
 304 /***********************************************************************
 305  *          GetWinFlags   (KERNEL.132)
 306  */
 307 DWORD WINAPI GetWinFlags16(void)
 308 {
 309     static const long cpuflags[5] = { WF_CPU086, WF_CPU186, WF_CPU286, WF_CPU386, WF_CPU486 };
 310     SYSTEM_INFO si;
 311     OSVERSIONINFOA ovi;
 312     DWORD result;
 313
 314     GetSystemInfo(&si);
 315
 316     /* There doesn't seem to be any Pentium flag.  */
 317     result = cpuflags[min(si.wProcessorLevel, 4)] | WF_ENHANCED | WF_PMODE | WF_80x87 | WF_PAGING;
 318     if (si.wProcessorLevel >= 4) result |= WF_HASCPUID;
 319     ovi.dwOSVersionInfoSize = sizeof(ovi);
 320     GetVersionExA(&ovi);
 321     if (ovi.dwPlatformId == VER_PLATFORM_WIN32_NT)
 322         result |= WF_WIN32WOW; /* undocumented WF_WINNT */
 323     return result;
 324 }
 325
 326 /***********************************************************************
 327  *         GetVersionEx   (KERNEL.149)
 328  */
 329 BOOL16 WINAPI GetVersionEx16(OSVERSIONINFO16 *v)
 330 {
 331     OSVERSIONINFOA info;
 332
 333     if (v->dwOSVersionInfoSize < sizeof(OSVERSIONINFO16))
 334     {
 335         WARN("wrong OSVERSIONINFO size from app\n");
 336         return FALSE;
 337     }
 338
 339     info.dwOSVersionInfoSize = sizeof(info);
 340     if (!GetVersionExA( &info )) return FALSE;
 341
 342     v->dwMajorVersion = info.dwMajorVersion;
 343     v->dwMinorVersion = info.dwMinorVersion;
 344     v->dwBuildNumber  = info.dwBuildNumber;
 345     v->dwPlatformId   = info.dwPlatformId;
 346     strcpy( v->szCSDVersion, info.szCSDVersion );
 347     return TRUE;
 348 }
 349
 350 /***********************************************************************
 351  *           DebugBreak   (KERNEL.203)
 352  */
 353 void WINAPI DebugBreak16( CONTEXT *context )
 354 {
 355     EXCEPTION_RECORD rec;
 356
 357     rec.ExceptionCode    = EXCEPTION_BREAKPOINT;
 358     rec.ExceptionFlags   = 0;
 359     rec.ExceptionRecord  = NULL;
 360     rec.ExceptionAddress = (LPVOID)context->Eip;
 361     rec.NumberParameters = 0;
 362     NtRaiseException( &rec, context, TRUE );
 363 }
 364
 365 /***********************************************************************
 366  *           K329                    (KERNEL.329)
 367  *
 368  * TODO:
 369  * Should fill lpBuffer only if DBO_BUFFERFILL has been set by SetWinDebugInfo()
 370  */
 371 void WINAPI DebugFillBuffer(LPSTR lpBuffer, WORD wBytes)
 372 {
 373     memset(lpBuffer, 0xf9 /* DBGFILL_BUFFER */, wBytes);
 374 }
 375
 376 /***********************************************************************
 377  *           DiagQuery                          (KERNEL.339)
 378  *
 379  * returns TRUE if Win called with "/b" (bootlog.txt)
 380  */
 381 BOOL16 WINAPI DiagQuery16(void)
 382 {
 383     return FALSE;
 384 }
 385
 386 /***********************************************************************
 387  *           DiagOutput                         (KERNEL.340)
 388  *
 389  * writes a debug string into <windir>\bootlog.txt
 390  */
 391 void WINAPI DiagOutput16(LPCSTR str)
 392 {
 393     /* FIXME */
 394     TRACE("DIAGOUTPUT:%s\n", debugstr_a(str));
 395 }
 396
 397 /***********************************************************************
 398  *           hmemcpy   (KERNEL.348)
 399  */
 400 void WINAPI hmemcpy16( LPVOID dst, LPCVOID src, LONG count )
 401 {
 402     memcpy( dst, src, count );
 403 }
 404
 405 /***********************************************************************
 406  *           lstrcpyn   (KERNEL.353)
 407  */
 408 SEGPTR WINAPI lstrcpyn16( SEGPTR dst, LPCSTR src, INT16 n )
 409 {
 410     if (!lstrcpynA( MapSL(dst), src, n )) return 0;
 411     return dst;
 412 }
 413
 414 /***********************************************************************
 415  *           lstrcatn   (KERNEL.352)
 416  */
 417 SEGPTR WINAPI lstrcatn16( SEGPTR dst, LPCSTR src, INT16 n )
 418 {
 419     LPSTR p = MapSL(dst);
 420     LPSTR start = p;
 421
 422     while (*p) p++;
 423     if ((n -= (p - start)) <= 0) return dst;
 424     lstrcpynA( p, src, n );
 425     return dst;
 426 }
 427
 428 #if 0  /* Not used at this time. This is here for documentation only */
 429
 430 /* WINDEBUGINFO flags values */
 431 #define WDI_OPTIONS         0x0001
 432 #define WDI_FILTER          0x0002
 433 #define WDI_ALLOCBREAK      0x0004
 434
 435 /* dwOptions values */
 436 #define DBO_CHECKHEAP       0x0001
 437 #define DBO_BUFFERFILL      0x0004
 438 #define DBO_DISABLEGPTRAPPING 0x0010
 439 #define DBO_CHECKFREE       0x0020
 440
 441 #define DBO_SILENT          0x8000
 442
 443 #define DBO_TRACEBREAK      0x2000
 444 #define DBO_WARNINGBREAK    0x1000
 445 #define DBO_NOERRORBREAK    0x0800
 446 #define DBO_NOFATALBREAK    0x0400
 447 #define DBO_INT3BREAK       0x0100
 448
 449 /* DebugOutput flags values */
 450 #define DBF_TRACE           0x0000
 451 #define DBF_WARNING         0x4000
 452 #define DBF_ERROR           0x8000
 453 #define DBF_FATAL           0xc000
 454
 455 /* dwFilter values */
 456 #define DBF_KERNEL          0x1000
 457 #define DBF_KRN_MEMMAN      0x0001
 458 #define DBF_KRN_LOADMODULE  0x0002
 459 #define DBF_KRN_SEGMENTLOAD 0x0004
 460 #define DBF_USER            0x0800
 461 #define DBF_GDI             0x0400
 462 #define DBF_MMSYSTEM        0x0040
 463 #define DBF_PENWIN          0x0020
 464 #define DBF_APPLICATION     0x0008
 465 #define DBF_DRIVER          0x0010
 466
 467 #endif /* NOLOGERROR */
 468
 469 /***********************************************************************
 470  *          GetWinDebugInfo   (KERNEL.355)
 471  */
 472 BOOL16 WINAPI GetWinDebugInfo16(WINDEBUGINFO16 *lpwdi, UINT16 flags)
 473 {
 474     FIXME("(%p,%d): stub returning FALSE\n", lpwdi, flags);
 475     /* FALSE means not in debugging mode/version */
 476     /* Can this type of debugging be used in wine ? */
 477     /* Constants: WDI_OPTIONS WDI_FILTER WDI_ALLOCBREAK */
 478     return FALSE;
 479 }
 480
 481 /***********************************************************************
 482  *          SetWinDebugInfo   (KERNEL.356)
 483  */
 484 BOOL16 WINAPI SetWinDebugInfo16(WINDEBUGINFO16 *lpwdi)
 485 {
 486     FIXME("(%p): stub returning FALSE\n", lpwdi);
 487     /* FALSE means not in debugging mode/version */
 488     /* Can this type of debugging be used in wine ? */
 489     /* Constants: WDI_OPTIONS WDI_FILTER WDI_ALLOCBREAK */
 490     return FALSE;
 491 }
 492
 493 /***********************************************************************
 494  *           UnicodeToAnsi   (KERNEL.434)
 495  */
 496 INT16 WINAPI UnicodeToAnsi16( LPCWSTR src, LPSTR dst, INT16 codepage )
 497 {
 498     if ( codepage == -1 ) codepage = CP_ACP;
 499     return WideCharToMultiByte( codepage, 0, src, -1, dst, 0x7fffffff, NULL, NULL );
 500 }
 501
 502 /***********************************************************************
 503  *       VWin32_EventCreate     (KERNEL.442)
 504  */
 505 HANDLE WINAPI VWin32_EventCreate(VOID)
 506 {
 507     HANDLE hEvent = CreateEventW( NULL, FALSE, 0, NULL );
 508     return ConvertToGlobalHandle( hEvent );
 509 }
 510
 511 /***********************************************************************
 512  *       VWin32_EventDestroy    (KERNEL.443)
 513  */
 514 VOID WINAPI VWin32_EventDestroy(HANDLE event)
 515 {
 516     CloseHandle( event );
 517 }
 518
 519 /***********************************************************************
 520  *       VWin32_EventWait       (KERNEL.450)
 521  */
 522 VOID WINAPI VWin32_EventWait(HANDLE event)
 523 {
 524     DWORD mutex_count;
 525
 526     ReleaseThunkLock( &mutex_count );
 527     WaitForSingleObject( event, INFINITE );
 528     RestoreThunkLock( mutex_count );
 529 }
 530
 531 /***********************************************************************
 532  *       VWin32_EventSet        (KERNEL.451)
 533  *       KERNEL_479             (KERNEL.479)
 534  */
 535 VOID WINAPI VWin32_EventSet(HANDLE event)
 536 {
 537     SetEvent( event );
 538 }
 539
 540 /***********************************************************************
 541  *           GetProcAddress32                   (KERNEL.453)
 542  */
 543 FARPROC WINAPI GetProcAddress32_16( HMODULE hModule, LPCSTR function )
 544 {
 545     /* FIXME: we used to disable snoop when returning proc for Win16 subsystem */
 546     return GetProcAddress( hModule, function );
 547 }
 548
 549 /***********************************************************************
 550  *           CreateW32Event    (KERNEL.457)
 551  */
 552 HANDLE WINAPI CreateW32Event( BOOL manual_reset, BOOL initial_state )
 553 {
 554     return CreateEventW( NULL, manual_reset, initial_state, NULL );
 555 }
 556
 557 /***********************************************************************
 558  *           SetW32Event (KERNEL.458)
 559  */
 560 BOOL WINAPI SetW32Event( HANDLE handle )
 561 {
 562     return SetEvent( handle );
 563 }
 564
 565 /***********************************************************************
 566  *           ResetW32Event (KERNEL.459)
 567  */
 568 BOOL WINAPI ResetW32Event( HANDLE handle )
 569 {
 570     return ResetEvent( handle );
 571 }
 572
 573 /***********************************************************************
 574  *           WaitForSingleObject   (KERNEL.460)
 575  */
 576 DWORD WINAPI WaitForSingleObject16( HANDLE handle, DWORD timeout )
 577 {
 578     DWORD retval, mutex_count;
 579
 580     ReleaseThunkLock( &mutex_count );
 581     retval = WaitForSingleObject( handle, timeout );
 582     RestoreThunkLock( mutex_count );
 583     return retval;
 584 }
 585
 586 /***********************************************************************
 587  *           WaitForMultipleObjects   (KERNEL.461)
 588  */
 589 DWORD WINAPI WaitForMultipleObjects16( DWORD count, const HANDLE *handles,
 590                                        BOOL wait_all, DWORD timeout )
 591 {
 592     DWORD retval, mutex_count;
 593
 594     ReleaseThunkLock( &mutex_count );
 595     retval = WaitForMultipleObjectsEx( count, handles, wait_all, timeout, FALSE );
 596     RestoreThunkLock( mutex_count );
 597     return retval;
 598 }
 599
 600 /***********************************************************************
 601  *              GetCurrentThreadId (KERNEL.462)
 602  */
 603 DWORD WINAPI GetCurrentThreadId16(void)
 604 {
 605     return GetCurrentThreadId();
 606 }
 607
 608 /***********************************************************************
 609  *           ExitProcess   (KERNEL.466)
 610  */
 611 void WINAPI ExitProcess16( WORD status )
 612 {
 613     DWORD count;
 614     ReleaseThunkLock( &count );
 615     ExitProcess( status );
 616 }
 617
 618 /***********************************************************************
 619  *              GetCurrentProcessId (KERNEL.471)
 620  */
 621 DWORD WINAPI GetCurrentProcessId16(void)
 622 {
 623     return GetCurrentProcessId();
 624 }
 625
 626 /*********************************************************************
 627  *           CloseW32Handle (KERNEL.474)
 628  */
 629 BOOL WINAPI CloseW32Handle( HANDLE handle )
 630 {
 631     return CloseHandle( handle );
 632 }
 633
 634 /***********************************************************************
 635  *           ConvertToGlobalHandle   (KERNEL.476)
 636  */
 637 HANDLE WINAPI ConvertToGlobalHandle16( HANDLE handle )
 638 {
 639     return ConvertToGlobalHandle( handle );
 640 }
 641
 642 /*********************************************************************
 643  *           MapProcessHandle   (KERNEL.483)
 644  */
 645 DWORD WINAPI MapProcessHandle( HANDLE hProcess )
 646 {
 647     return GetProcessId( hProcess );
 648 }
 649
 650 /***********************************************************************
 651  *           SetProcessDword    (KERNEL.484)
 652  * 'Of course you cannot directly access Windows internal structures'
 653  */
 654 void WINAPI SetProcessDword( DWORD dwProcessID, INT offset, DWORD value )
 655 {
 656     TRACE("(%ld, %d)\n", dwProcessID, offset );
 657
 658     if (dwProcessID && dwProcessID != GetCurrentProcessId())
 659     {
 660         ERR("%d: process %lx not accessible\n", offset, dwProcessID);
 661         return;
 662     }
 663
 664     switch ( offset )
 665     {
 666     case GPD_APP_COMPAT_FLAGS:
 667     case GPD_LOAD_DONE_EVENT:
 668     case GPD_HINSTANCE16:
 669     case GPD_WINDOWS_VERSION:
 670     case GPD_THDB:
 671     case GPD_PDB:
 672     case GPD_STARTF_SHELLDATA:
 673     case GPD_STARTF_HOTKEY:
 674     case GPD_STARTF_SHOWWINDOW:
 675     case GPD_STARTF_SIZE:
 676     case GPD_STARTF_POSITION:
 677     case GPD_STARTF_FLAGS:
 678     case GPD_PARENT:
 679     case GPD_FLAGS:
 680         ERR("Not allowed to modify offset %d\n", offset );
 681         break;
 682     case GPD_USERDATA:
 683         process_dword = value;
 684         break;
 685     default:
 686         ERR("Unknown offset %d\n", offset );
 687         break;
 688     }
 689 }
 690
 691 /***********************************************************************
 692  *           GetProcessDword    (KERNEL.485)
 693  * 'Of course you cannot directly access Windows internal structures'
 694  */
 695 DWORD WINAPI GetProcessDword( DWORD dwProcessID, INT offset )
 696 {
 697     DWORD               x, y;
 698     STARTUPINFOW        siw;
 699
 700     TRACE("(%ld, %d)\n", dwProcessID, offset );
 701
 702     if (dwProcessID && dwProcessID != GetCurrentProcessId())
 703     {
 704         ERR("%d: process %lx not accessible\n", offset, dwProcessID);
 705         return 0;
 706     }
 707
 708     switch ( offset )
 709     {
 710     case GPD_APP_COMPAT_FLAGS:
 711         return GetAppCompatFlags16(0);
 712     case GPD_LOAD_DONE_EVENT:
 713         return 0;
 714     case GPD_HINSTANCE16:
 715         return GetTaskDS16();
 716     case GPD_WINDOWS_VERSION:
 717         return GetExeVersion16();
 718     case GPD_THDB:
 719         return (DWORD_PTR)NtCurrentTeb() - 0x10 /* FIXME */;
 720     case GPD_PDB:
 721         return (DWORD_PTR)NtCurrentTeb()->Peb; /* FIXME: truncating a pointer */
 722     case GPD_STARTF_SHELLDATA: /* return stdoutput handle from startupinfo ??? */
 723         GetStartupInfoW(&siw);
 724         return HandleToULong(siw.hStdOutput);
 725     case GPD_STARTF_HOTKEY: /* return stdinput handle from startupinfo ??? */
 726         GetStartupInfoW(&siw);
 727         return HandleToULong(siw.hStdInput);
 728     case GPD_STARTF_SHOWWINDOW:
 729         GetStartupInfoW(&siw);
 730         return siw.wShowWindow;
 731     case GPD_STARTF_SIZE:
 732         GetStartupInfoW(&siw);
 733         x = siw.dwXSize;
 734         if ( (INT)x == CW_USEDEFAULT ) x = CW_USEDEFAULT16;
 735         y = siw.dwYSize;
 736         if ( (INT)y == CW_USEDEFAULT ) y = CW_USEDEFAULT16;
 737         return MAKELONG( x, y );
 738     case GPD_STARTF_POSITION:
 739         GetStartupInfoW(&siw);
 740         x = siw.dwX;
 741         if ( (INT)x == CW_USEDEFAULT ) x = CW_USEDEFAULT16;
 742         y = siw.dwY;
 743         if ( (INT)y == CW_USEDEFAULT ) y = CW_USEDEFAULT16;
 744         return MAKELONG( x, y );
 745     case GPD_STARTF_FLAGS:
 746         GetStartupInfoW(&siw);
 747         return siw.dwFlags;
 748     case GPD_PARENT:
 749         return 0;
 750     case GPD_FLAGS:
 751         return GetProcessFlags(0);
 752     case GPD_USERDATA:
 753         return process_dword;
 754     default:
 755         ERR("Unknown offset %d\n", offset );
 756         return 0;
 757     }
 758 }
 759
 760 /***********************************************************************
 761  *           FreeLibrary32 (KERNEL.486)
 762  */
 763 BOOL WINAPI FreeLibrary32_16( HINSTANCE module )
 764 {
 765     return FreeLibrary( module );
 766 }
 767
 768 /***********************************************************************
 769  *              GetModuleFileName32     (KERNEL.487)
 770  */
 771 DWORD WINAPI GetModuleFileName32_16( HMODULE module, LPSTR buffer, DWORD size )
 772 {
 773     return GetModuleFileNameA( module, buffer, size );
 774 }
 775
 776 /***********************************************************************
 777  *              GetModuleHandle32        (KERNEL.488)
 778  */
 779 HMODULE WINAPI GetModuleHandle32_16(LPCSTR module)
 780 {
 781     return GetModuleHandleA( module );
 782 }
 783
 784 /***********************************************************************
 785  *              RegisterServiceProcess (KERNEL.491)
 786  */
 787 DWORD WINAPI RegisterServiceProcess16( DWORD dwProcessId, DWORD dwType )
 788 {
 789     return 1; /* success */
 790 }
 791
 792 /***********************************************************************
 793  *           WaitForMultipleObjectsEx   (KERNEL.495)
 794  */
 795 DWORD WINAPI WaitForMultipleObjectsEx16( DWORD count, const HANDLE *handles,
 796                                          BOOL wait_all, DWORD timeout, BOOL alertable )
 797 {
 798     DWORD retval, mutex_count;
 799
 800     ReleaseThunkLock( &mutex_count );
 801     retval = WaitForMultipleObjectsEx( count, handles, wait_all, timeout, alertable );
 802     RestoreThunkLock( mutex_count );
 803     return retval;
 804 }
 805
 806 /**********************************************************************
 807  * VWin32_BoostThreadGroup   (KERNEL.535)
 808  */
 809 VOID WINAPI VWin32_BoostThreadGroup( DWORD threadId, INT boost )
 810 {
 811     FIXME("(0x%08lx,%d): stub\n", threadId, boost);
 812 }
 813
 814
 815 /**********************************************************************
 816  * VWin32_BoostThreadStatic   (KERNEL.536)
 817  */
 818 VOID WINAPI VWin32_BoostThreadStatic( DWORD threadId, INT boost )
 819 {
 820     FIXME("(0x%08lx,%d): stub\n", threadId, boost);
 821 }
 822
 823 /***********************************************************************
 824  *              EnableDos (KERNEL.41)
 825  *              DisableDos (KERNEL.42)
 826  *              GetLastDiskChange (KERNEL.98)
 827  *              ValidateCodeSegments (KERNEL.100)
 828  *              KbdRst (KERNEL.123)
 829  *              EnableKernel (KERNEL.124)
 830  *              DisableKernel (KERNEL.125)
 831  *              ValidateFreeSpaces (KERNEL.200)
 832  *              K237 (KERNEL.237)
 833  *              BUNNY_351 (KERNEL.351)
 834  *              PIGLET_361 (KERNEL.361)
 835  *
 836  * Entry point for kernel functions that do nothing.
 837  */
 838 LONG WINAPI KERNEL_nop(void)
 839 {
 840     return 0;
 841 }
 842
 843 /***********************************************************************
 844  *           ToolHelpHook                             (KERNEL.341)
 845  *      see "Undocumented Windows"
 846  */
 847 FARPROC16 WINAPI ToolHelpHook16(FARPROC16 func)
 848 {
 849     static FARPROC16 hook;
 850
 851     FIXME("(%p), stub.\n", func);
 852     return InterlockedExchangePointer( (void **)&hook, func );
 853 }
 854
 855 /* thunk for 16-bit CreateThread */
 856 struct thread_args
 857 {
 858     FARPROC16 proc;
 859     DWORD     param;
 860 };
 861
 862 static DWORD CALLBACK start_thread16( LPVOID threadArgs )
 863 {
 864     struct thread_args args = *(struct thread_args *)threadArgs;
 865     HeapFree( GetProcessHeap(), 0, threadArgs );
 866     return K32WOWCallback16( (DWORD)args.proc, args.param );
 867 }
 868
 869 /***********************************************************************
 870  *           CreateThread16   (KERNEL.441)
 871  */
 872 HANDLE WINAPI CreateThread16( SECURITY_ATTRIBUTES *sa, DWORD stack,
 873                               FARPROC16 start, SEGPTR param,
 874                               DWORD flags, LPDWORD id )
 875 {
 876     struct thread_args *args = HeapAlloc( GetProcessHeap(), 0, sizeof(*args) );
 877     if (!args) return INVALID_HANDLE_VALUE;
 878     args->proc = start;
 879     args->param = param;
 880     return CreateThread( sa, stack, start_thread16, args, flags, id );
 881 }
 882
 883 /***********************************************************************
 884  *           _DebugOutput                    (KERNEL.328)
 885  */
 886 void WINAPIV _DebugOutput( WORD flags, LPCSTR spec, VA_LIST16 valist )
 887 {
 888     char caller[101];
 889
 890     /* Decode caller address */
 891     if (!GetModuleName16( GetExePtr(CURRENT_STACK16->cs), caller, sizeof(caller) ))
 892         sprintf( caller, "%04X:%04X", CURRENT_STACK16->cs, CURRENT_STACK16->ip );
 893
 894     /* FIXME: cannot use wvsnprintf16 from kernel */
 895     /* wvsnprintf16( temp, sizeof(temp), spec, valist ); */
 896
 897     /* Output */
 898     FIXME("%s %04x %s\n", caller, flags, debugstr_a(spec) );
 899 }