dlls/krnl386.exe16/kernel16_private.h - wine - Git at Google

 /*
  * Kernel 16-bit private definitions
  *
  * Copyright 1995 Alexandre Julliard
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */

 #ifndef __WINE_KERNEL16_PRIVATE_H
 #define __WINE_KERNEL16_PRIVATE_H

 #include "wine/winbase16.h"
 #include "winreg.h"
 #include "winternl.h"

 #include "pshpack1.h"

 /* In-memory module structure. See 'Windows Internals' p. 219 */
 typedef struct _NE_MODULE
 {
     WORD      ne_magic;         /* 00 'NE' signature */
     WORD      count;            /* 02 Usage count (ne_ver/ne_rev on disk) */
     WORD      ne_enttab;        /* 04 Near ptr to entry table */
     HMODULE16 next;             /* 06 Selector to next module (ne_cbenttab on disk) */
     WORD      dgroup_entry;     /* 08 Near ptr to segment entry for DGROUP (ne_crc on disk) */
     WORD      fileinfo;         /* 0a Near ptr to file info (OFSTRUCT) (ne_crc on disk) */
     WORD      ne_flags;         /* 0c Module flags */
     WORD      ne_autodata;      /* 0e Logical segment for DGROUP */
     WORD      ne_heap;          /* 10 Initial heap size */
     WORD      ne_stack;         /* 12 Initial stack size */
     DWORD     ne_csip;          /* 14 Initial cs:ip */
     DWORD     ne_sssp;          /* 18 Initial ss:sp */
     WORD      ne_cseg;          /* 1c Number of segments in segment table */
     WORD      ne_cmod;          /* 1e Number of module references */
     WORD      ne_cbnrestab;     /* 20 Size of non-resident names table */
     WORD      ne_segtab;        /* 22 Near ptr to segment table */
     WORD      ne_rsrctab;       /* 24 Near ptr to resource table */
     WORD      ne_restab;        /* 26 Near ptr to resident names table */
     WORD      ne_modtab;        /* 28 Near ptr to module reference table */
     WORD      ne_imptab;        /* 2a Near ptr to imported names table */
     DWORD     ne_nrestab;       /* 2c File offset of non-resident names table */
     WORD      ne_cmovent;       /* 30 Number of moveable entries in entry table*/
     WORD      ne_align;         /* 32 Alignment shift count */
     WORD      ne_cres;          /* 34 # of resource segments */
     BYTE      ne_exetyp;        /* 36 Operating system flags */
     BYTE      ne_flagsothers;   /* 37 Misc. flags */
     HANDLE16  dlls_to_init;     /* 38 List of DLLs to initialize (ne_pretthunks on disk) */
     HANDLE16  nrname_handle;    /* 3a Handle to non-resident name table (ne_psegrefbytes on disk) */
     WORD      ne_swaparea;      /* 3c Min. swap area size */
     WORD      ne_expver;        /* 3e Expected Windows version */
     /* From here, these are extra fields not present in normal Windows */
     HMODULE   module32;         /* PE module handle for Win32 modules */
     HMODULE   owner32;          /* PE module containing this one for 16-bit builtins */
     HMODULE16 self;             /* Handle for this module */
     WORD      self_loading_sel; /* Selector used for self-loading apps. */
     LPVOID    rsrc32_map;       /* HRSRC 16->32 map (for 32-bit modules) */
     LPCVOID   mapping;          /* mapping of the binary file */
     SIZE_T    mapping_size;     /* size of the file mapping */
 } NE_MODULE;

 typedef struct
 {
     BYTE type;
     BYTE flags;
     BYTE segnum;
     WORD offs;
 } ET_ENTRY;

 typedef struct
 {
     WORD first; /* ordinal */
     WORD last;  /* ordinal */
     WORD next;  /* bundle */
 } ET_BUNDLE;


   /* In-memory segment table */
 typedef struct
 {
     WORD      filepos;   /* Position in file, in sectors */
     WORD      size;      /* Segment size on disk */
     WORD      flags;     /* Segment flags */
     WORD      minsize;   /* Min. size of segment in memory */
     HANDLE16  hSeg;      /* Selector or handle (selector - 1) of segment in memory */
 } SEGTABLEENTRY;

 /* this structure is always located at offset 0 of the DGROUP segment */
 typedef struct
 {
     WORD null;        /* Always 0 */
     DWORD old_ss_sp;  /* Stack pointer; used by SwitchTaskTo() */
     WORD heap;        /* Pointer to the local heap information (if any) */
     WORD atomtable;   /* Pointer to the local atom table (if any) */
     WORD stacktop;    /* Top of the stack */
     WORD stackmin;    /* Lowest stack address used so far */
     WORD stackbottom; /* Bottom of the stack */
 } INSTANCEDATA;

 /* relay entry points */

 typedef struct
 {
     WORD   pushw_bp;               /* pushw %bp */
     BYTE   pushl;                  /* pushl $target */
     void  *target;
     WORD   call;                   /* call CALLFROM16 */
     short  callfrom16;
 } ENTRYPOINT16;

 typedef struct
 {
     BYTE   pushl;                  /* pushl $relay */
     void  *relay;
     BYTE   lcall;                  /* lcall __FLATCS__:glue */
     void  *glue;
     WORD   flatcs;
     WORD   ret[5];                 /* return sequence */
     WORD   movl;                   /* movl arg_types[1],arg_types[0](%esi) */
     DWORD  arg_types[2];           /* type of each argument */
 } CALLFROM16;

 /* THHOOK Kernel Data Structure */
 typedef struct _THHOOK
 {
     HANDLE16   hGlobalHeap;         /* 00 (handle BURGERMASTER) */
     WORD       pGlobalHeap;         /* 02 (selector BURGERMASTER) */
     HMODULE16  hExeHead;            /* 04 hFirstModule */
     HMODULE16  hExeSweep;           /* 06 (unused) */
     HANDLE16   TopPDB;              /* 08 (handle of KERNEL PDB) */
     HANDLE16   HeadPDB;             /* 0A (first PDB in list) */
     HANDLE16   TopSizePDB;          /* 0C (unused) */
     HTASK16    HeadTDB;             /* 0E hFirstTask */
     HTASK16    CurTDB;              /* 10 hCurrentTask */
     HTASK16    LoadTDB;             /* 12 (unused) */
     HTASK16    LockTDB;             /* 14 hLockedTask */
 } THHOOK;

 extern LONG __wine_call_from_16(void);
 extern void __wine_call_from_16_regs(void);

 extern THHOOK *pThhook DECLSPEC_HIDDEN;

 #include "poppack.h"

 #define NE_SEG_TABLE(pModule) \
     ((SEGTABLEENTRY *)((char *)(pModule) + (pModule)->ne_segtab))

 #define NE_MODULE_NAME(pModule) \
     (((OFSTRUCT *)((char*)(pModule) + (pModule)->fileinfo))->szPathName)

 #define NE_GET_DATA(pModule,offset,size) \
     ((const void *)(((offset)+(size) <= pModule->mapping_size) ? \
                     (const char *)pModule->mapping + (offset) : NULL))

 #define NE_READ_DATA(pModule,buffer,offset,size) \
     (((offset)+(size) <= pModule->mapping_size) ? \
      (memcpy( buffer, (const char *)pModule->mapping + (offset), (size) ), TRUE) : FALSE)

 #define CURRENT_STACK16 ((STACK16FRAME*)MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved)))
 #define CURRENT_DS      (CURRENT_STACK16->ds)

 /* push bytes on the 16-bit stack of a thread; return a segptr to the first pushed byte */
 static inline SEGPTR stack16_push( int size )
 {
     STACK16FRAME *frame = CURRENT_STACK16;
     memmove( (char*)frame - size, frame, sizeof(*frame) );
     NtCurrentTeb()->WOW32Reserved = (char *)NtCurrentTeb()->WOW32Reserved - size;
     return (SEGPTR)((char *)NtCurrentTeb()->WOW32Reserved + sizeof(*frame));
 }

 /* pop bytes from the 16-bit stack of a thread */
 static inline void stack16_pop( int size )
 {
     STACK16FRAME *frame = CURRENT_STACK16;
     memmove( (char*)frame + size, frame, sizeof(*frame) );
     NtCurrentTeb()->WOW32Reserved = (char *)NtCurrentTeb()->WOW32Reserved + size;
 }

 /* dosmem.c */
 extern BOOL   DOSMEM_Init(void) DECLSPEC_HIDDEN;
 extern BOOL   DOSMEM_InitDosMemory(void) DECLSPEC_HIDDEN;
 extern LPVOID DOSMEM_MapRealToLinear(DWORD) DECLSPEC_HIDDEN; /* real-mode to linear */
 extern LPVOID DOSMEM_MapDosToLinear(UINT) DECLSPEC_HIDDEN;   /* linear DOS to Wine */
 extern UINT   DOSMEM_MapLinearToDos(LPVOID) DECLSPEC_HIDDEN; /* linear Wine to DOS */
 extern BOOL   DOSMEM_MapDosLayout(void) DECLSPEC_HIDDEN;
 extern LPVOID DOSMEM_AllocBlock(UINT size, WORD* p) DECLSPEC_HIDDEN;
 extern BOOL   DOSMEM_FreeBlock(void* ptr) DECLSPEC_HIDDEN;
 extern UINT   DOSMEM_ResizeBlock(void* ptr, UINT size, BOOL exact) DECLSPEC_HIDDEN;
 extern UINT   DOSMEM_Available(void) DECLSPEC_HIDDEN;

 /* global16.c */
 extern HGLOBAL16 GLOBAL_CreateBlock( UINT16 flags, void *ptr, DWORD size,
                                      HGLOBAL16 hOwner, unsigned char selflags ) DECLSPEC_HIDDEN;
 extern BOOL16 GLOBAL_FreeBlock( HGLOBAL16 handle ) DECLSPEC_HIDDEN;
 extern BOOL16 GLOBAL_MoveBlock( HGLOBAL16 handle, void *ptr, DWORD size ) DECLSPEC_HIDDEN;
 extern HGLOBAL16 GLOBAL_Alloc( WORD flags, DWORD size, HGLOBAL16 hOwner, unsigned char selflags ) DECLSPEC_HIDDEN;

 /* instr.c */
 extern DWORD __wine_emulate_instruction( EXCEPTION_RECORD *rec, CONTEXT *context ) DECLSPEC_HIDDEN;
 extern LONG CALLBACK INSTR_vectored_handler( EXCEPTION_POINTERS *ptrs ) DECLSPEC_HIDDEN;

 /* ne_module.c */
 extern NE_MODULE *NE_GetPtr( HMODULE16 hModule ) DECLSPEC_HIDDEN;
 extern WORD NE_GetOrdinal( HMODULE16 hModule, const char *name ) DECLSPEC_HIDDEN;
 extern FARPROC16 WINAPI NE_GetEntryPoint( HMODULE16 hModule, WORD ordinal ) DECLSPEC_HIDDEN;
 extern FARPROC16 NE_GetEntryPointEx( HMODULE16 hModule, WORD ordinal, BOOL16 snoop ) DECLSPEC_HIDDEN;
 extern BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset ) DECLSPEC_HIDDEN;
 extern DWORD NE_StartTask(void) DECLSPEC_HIDDEN;

 /* ne_segment.c */
 extern BOOL NE_LoadSegment( NE_MODULE *pModule, WORD segnum ) DECLSPEC_HIDDEN;
 extern BOOL NE_LoadAllSegments( NE_MODULE *pModule ) DECLSPEC_HIDDEN;
 extern BOOL NE_CreateSegment( NE_MODULE *pModule, int segnum ) DECLSPEC_HIDDEN;
 extern BOOL NE_CreateAllSegments( NE_MODULE *pModule ) DECLSPEC_HIDDEN;
 extern HINSTANCE16 NE_GetInstance( NE_MODULE *pModule ) DECLSPEC_HIDDEN;
 extern void NE_InitializeDLLs( HMODULE16 hModule ) DECLSPEC_HIDDEN;
 extern void NE_DllProcessAttach( HMODULE16 hModule ) DECLSPEC_HIDDEN;
 extern void NE_CallUserSignalProc( HMODULE16 hModule, UINT16 code ) DECLSPEC_HIDDEN;

 /* selector.c */
 extern WORD SELECTOR_AllocBlock( const void *base, DWORD size, unsigned char flags ) DECLSPEC_HIDDEN;
 extern WORD SELECTOR_ReallocBlock( WORD sel, const void *base, DWORD size ) DECLSPEC_HIDDEN;
 extern void SELECTOR_FreeBlock( WORD sel ) DECLSPEC_HIDDEN;
 #define IS_SELECTOR_32BIT(sel) \
    (wine_ldt_is_system(sel) || (wine_ldt_copy.flags[LOWORD(sel) >> 3] & WINE_LDT_FLAGS_32BIT))

 /* relay16.c */
 extern int relay_call_from_16( void *entry_point, unsigned char *args16, CONTEXT *context ) DECLSPEC_HIDDEN;
 extern void RELAY16_InitDebugLists(void) DECLSPEC_HIDDEN;

 /* snoop16.c */
 extern void SNOOP16_RegisterDLL(HMODULE16,LPCSTR) DECLSPEC_HIDDEN;
 extern FARPROC16 SNOOP16_GetProcAddress16(HMODULE16,DWORD,FARPROC16) DECLSPEC_HIDDEN;
 extern BOOL SNOOP16_ShowDebugmsgSnoop(const char *dll,int ord,const char *fname) DECLSPEC_HIDDEN;

 /* syslevel.c */
 extern VOID SYSLEVEL_CheckNotLevel( INT level ) DECLSPEC_HIDDEN;

 /* task.c */
 extern void TASK_CreateMainTask(void) DECLSPEC_HIDDEN;
 extern HTASK16 TASK_SpawnTask( NE_MODULE *pModule, WORD cmdShow,
                                LPCSTR cmdline, BYTE len, HANDLE *hThread ) DECLSPEC_HIDDEN;
 extern void TASK_ExitTask(void) DECLSPEC_HIDDEN;
 extern HTASK16 TASK_GetTaskFromThread( DWORD thread ) DECLSPEC_HIDDEN;
 extern TDB *TASK_GetCurrent(void) DECLSPEC_HIDDEN;
 extern void TASK_InstallTHHook( THHOOK *pNewThook ) DECLSPEC_HIDDEN;

 extern BOOL WOWTHUNK_Init(void) DECLSPEC_HIDDEN;

 extern WORD DOSMEM_0000H DECLSPEC_HIDDEN;
 extern WORD DOSMEM_BiosDataSeg DECLSPEC_HIDDEN;
 extern WORD DOSMEM_BiosSysSeg DECLSPEC_HIDDEN;
 extern DWORD CallTo16_DataSelector DECLSPEC_HIDDEN;
 extern DWORD CallTo16_TebSelector DECLSPEC_HIDDEN;
 extern SEGPTR CALL32_CBClient_RetAddr DECLSPEC_HIDDEN;
 extern SEGPTR CALL32_CBClientEx_RetAddr DECLSPEC_HIDDEN;

 struct tagSYSLEVEL;

 struct kernel_thread_data
 {
     WORD                stack_sel;      /* 16-bit stack selector */
     WORD                htask16;        /* Win16 task handle */
     DWORD               sys_count[4];   /* syslevel mutex entry counters */
     struct tagSYSLEVEL *sys_mutex[4];   /* syslevel mutex pointers */
     void               *pad[45];        /* change this if you add fields! */
 };

 static inline struct kernel_thread_data *kernel_get_thread_data(void)
 {
     return (struct kernel_thread_data *)NtCurrentTeb()->SystemReserved1;
 }

 /* Push a DWORD on the 32-bit stack */
 static inline void stack32_push( CONTEXT *context, DWORD val )
 {
     context->Esp -= sizeof(DWORD);
     *(DWORD *)context->Esp = val;
 }

 /* Pop a DWORD from the 32-bit stack */
 static inline DWORD stack32_pop( CONTEXT *context )
 {
     DWORD ret = *(DWORD *)context->Esp;
     context->Esp += sizeof(DWORD);
     return ret;
 }

 #define DEFINE_REGS_ENTRYPOINT(name) \
     __ASM_STDCALL_FUNC( name, 0,                                        \
                         "pushl %ebp\n\t"                                \
                         __ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")       \
                         __ASM_CFI(".cfi_rel_offset %ebp,0\n\t")         \
                         "movl %esp,%ebp\n\t"                            \
                         __ASM_CFI(".cfi_def_cfa_register %ebp\n\t")     \
                         "leal -(0x2cc+4)(%esp),%esp\n\t"  /* sizeof(CONTEXT) + space for %eax */ \
                         "movl %eax,-4(%ebp)\n\t"                        \
                         "pushl %esp\n\t"             /* context */      \
                         "call " __ASM_NAME("RtlCaptureContext") __ASM_STDCALL(4) "\n\t" \
                         "movl -4(%ebp),%eax\n\t"                        \
                         "movl %eax,0xb0(%esp)\n\t"   /* context->Eax */ \
                         "pushl %esp\n\t"             /* context */      \
                         "call " __ASM_NAME("__regs_") #name __ASM_STDCALL(4) "\n\t" \
                         "pushl %esp\n\t"             /* context */      \
                         "pushl $-2\n\t"   /* GetCurrentThread() */      \
                         "call " __ASM_NAME("NtSetContextThread") __ASM_STDCALL(8) "\n\t" \
                         "ret" ) /* fake ret to make copy protections happy */

 #endif  /* __WINE_KERNEL16_PRIVATE_H */
	/*
	* Kernel 16-bit private definitions
	*
	* Copyright 1995 Alexandre Julliard
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
	*/

	#ifndef __WINE_KERNEL16_PRIVATE_H
	#define __WINE_KERNEL16_PRIVATE_H

	#include "wine/winbase16.h"
	#include "winreg.h"
	#include "winternl.h"

	#include "pshpack1.h"

	/* In-memory module structure. See 'Windows Internals' p. 219 */
	typedef struct _NE_MODULE
	{
	WORD ne_magic; /* 00 'NE' signature */
	WORD count; /* 02 Usage count (ne_ver/ne_rev on disk) */
	WORD ne_enttab; /* 04 Near ptr to entry table */
	HMODULE16 next; /* 06 Selector to next module (ne_cbenttab on disk) */
	WORD dgroup_entry; /* 08 Near ptr to segment entry for DGROUP (ne_crc on disk) */
	WORD fileinfo; /* 0a Near ptr to file info (OFSTRUCT) (ne_crc on disk) */
	WORD ne_flags; /* 0c Module flags */
	WORD ne_autodata; /* 0e Logical segment for DGROUP */
	WORD ne_heap; /* 10 Initial heap size */
	WORD ne_stack; /* 12 Initial stack size */
	DWORD ne_csip; /* 14 Initial cs:ip */
	DWORD ne_sssp; /* 18 Initial ss:sp */
	WORD ne_cseg; /* 1c Number of segments in segment table */
	WORD ne_cmod; /* 1e Number of module references */
	WORD ne_cbnrestab; /* 20 Size of non-resident names table */
	WORD ne_segtab; /* 22 Near ptr to segment table */
	WORD ne_rsrctab; /* 24 Near ptr to resource table */
	WORD ne_restab; /* 26 Near ptr to resident names table */
	WORD ne_modtab; /* 28 Near ptr to module reference table */
	WORD ne_imptab; /* 2a Near ptr to imported names table */
	DWORD ne_nrestab; /* 2c File offset of non-resident names table */
	WORD ne_cmovent; /* 30 Number of moveable entries in entry table*/
	WORD ne_align; /* 32 Alignment shift count */
	WORD ne_cres; /* 34 # of resource segments */
	BYTE ne_exetyp; /* 36 Operating system flags */
	BYTE ne_flagsothers; /* 37 Misc. flags */
	HANDLE16 dlls_to_init; /* 38 List of DLLs to initialize (ne_pretthunks on disk) */
	HANDLE16 nrname_handle; /* 3a Handle to non-resident name table (ne_psegrefbytes on disk) */
	WORD ne_swaparea; /* 3c Min. swap area size */
	WORD ne_expver; /* 3e Expected Windows version */
	/* From here, these are extra fields not present in normal Windows */
	HMODULE module32; /* PE module handle for Win32 modules */
	HMODULE owner32; /* PE module containing this one for 16-bit builtins */
	HMODULE16 self; /* Handle for this module */
	WORD self_loading_sel; /* Selector used for self-loading apps. */
	LPVOID rsrc32_map; /* HRSRC 16->32 map (for 32-bit modules) */
	LPCVOID mapping; /* mapping of the binary file */
	SIZE_T mapping_size; /* size of the file mapping */
	} NE_MODULE;

	typedef struct
	{
	BYTE type;
	BYTE flags;
	BYTE segnum;
	WORD offs;
	} ET_ENTRY;

	typedef struct
	{
	WORD first; /* ordinal */
	WORD last; /* ordinal */
	WORD next; /* bundle */
	} ET_BUNDLE;


	/* In-memory segment table */
	typedef struct
	{
	WORD filepos; /* Position in file, in sectors */
	WORD size; /* Segment size on disk */
	WORD flags; /* Segment flags */
	WORD minsize; /* Min. size of segment in memory */
	HANDLE16 hSeg; /* Selector or handle (selector - 1) of segment in memory */
	} SEGTABLEENTRY;

	/* this structure is always located at offset 0 of the DGROUP segment */
	typedef struct
	{
	WORD null; /* Always 0 */
	DWORD old_ss_sp; /* Stack pointer; used by SwitchTaskTo() */
	WORD heap; /* Pointer to the local heap information (if any) */
	WORD atomtable; /* Pointer to the local atom table (if any) */
	WORD stacktop; /* Top of the stack */
	WORD stackmin; /* Lowest stack address used so far */
	WORD stackbottom; /* Bottom of the stack */
	} INSTANCEDATA;

	/* relay entry points */

	typedef struct
	{
	WORD pushw_bp; /* pushw %bp */
	BYTE pushl; /* pushl $target */
	void *target;
	WORD call; /* call CALLFROM16 */
	short callfrom16;
	} ENTRYPOINT16;

	typedef struct
	{
	BYTE pushl; /* pushl $relay */
	void *relay;
	BYTE lcall; /* lcall __FLATCS__:glue */
	void *glue;
	WORD flatcs;
	WORD ret[5]; /* return sequence */
	WORD movl; /* movl arg_types[1],arg_types[0](%esi) */
	DWORD arg_types[2]; /* type of each argument */
	} CALLFROM16;

	/* THHOOK Kernel Data Structure */
	typedef struct _THHOOK
	{
	HANDLE16 hGlobalHeap; /* 00 (handle BURGERMASTER) */
	WORD pGlobalHeap; /* 02 (selector BURGERMASTER) */
	HMODULE16 hExeHead; /* 04 hFirstModule */
	HMODULE16 hExeSweep; /* 06 (unused) */
	HANDLE16 TopPDB; /* 08 (handle of KERNEL PDB) */
	HANDLE16 HeadPDB; /* 0A (first PDB in list) */
	HANDLE16 TopSizePDB; /* 0C (unused) */
	HTASK16 HeadTDB; /* 0E hFirstTask */
	HTASK16 CurTDB; /* 10 hCurrentTask */
	HTASK16 LoadTDB; /* 12 (unused) */
	HTASK16 LockTDB; /* 14 hLockedTask */
	} THHOOK;

	extern LONG __wine_call_from_16(void);
	extern void __wine_call_from_16_regs(void);

	extern THHOOK *pThhook DECLSPEC_HIDDEN;

	#include "poppack.h"

	#define NE_SEG_TABLE(pModule) \
	((SEGTABLEENTRY )((char )(pModule) + (pModule)->ne_segtab))

	#define NE_MODULE_NAME(pModule) \
	(((OFSTRUCT )((char)(pModule) + (pModule)->fileinfo))->szPathName)

	#define NE_GET_DATA(pModule,offset,size) \
	((const void *)(((offset)+(size) <= pModule->mapping_size) ? \
	(const char *)pModule->mapping + (offset) : NULL))

	#define NE_READ_DATA(pModule,buffer,offset,size) \
	(((offset)+(size) <= pModule->mapping_size) ? \
	(memcpy( buffer, (const char *)pModule->mapping + (offset), (size) ), TRUE) : FALSE)

	#define CURRENT_STACK16 ((STACK16FRAME*)MapSL(PtrToUlong(NtCurrentTeb()->WOW32Reserved)))
	#define CURRENT_DS (CURRENT_STACK16->ds)

	/* push bytes on the 16-bit stack of a thread; return a segptr to the first pushed byte */
	static inline SEGPTR stack16_push( int size )
	{
	STACK16FRAME *frame = CURRENT_STACK16;
	memmove( (char)frame - size, frame, sizeof(frame) );
	NtCurrentTeb()->WOW32Reserved = (char *)NtCurrentTeb()->WOW32Reserved - size;
	return (SEGPTR)((char )NtCurrentTeb()->WOW32Reserved + sizeof(frame));
	}

	/* pop bytes from the 16-bit stack of a thread */
	static inline void stack16_pop( int size )
	{
	STACK16FRAME *frame = CURRENT_STACK16;
	memmove( (char)frame + size, frame, sizeof(frame) );
	NtCurrentTeb()->WOW32Reserved = (char *)NtCurrentTeb()->WOW32Reserved + size;
	}

	/* dosmem.c */
	extern BOOL DOSMEM_Init(void) DECLSPEC_HIDDEN;
	extern BOOL DOSMEM_InitDosMemory(void) DECLSPEC_HIDDEN;
	extern LPVOID DOSMEM_MapRealToLinear(DWORD) DECLSPEC_HIDDEN; /* real-mode to linear */
	extern LPVOID DOSMEM_MapDosToLinear(UINT) DECLSPEC_HIDDEN; /* linear DOS to Wine */
	extern UINT DOSMEM_MapLinearToDos(LPVOID) DECLSPEC_HIDDEN; /* linear Wine to DOS */
	extern BOOL DOSMEM_MapDosLayout(void) DECLSPEC_HIDDEN;
	extern LPVOID DOSMEM_AllocBlock(UINT size, WORD* p) DECLSPEC_HIDDEN;
	extern BOOL DOSMEM_FreeBlock(void* ptr) DECLSPEC_HIDDEN;
	extern UINT DOSMEM_ResizeBlock(void* ptr, UINT size, BOOL exact) DECLSPEC_HIDDEN;
	extern UINT DOSMEM_Available(void) DECLSPEC_HIDDEN;

	/* global16.c */
	extern HGLOBAL16 GLOBAL_CreateBlock( UINT16 flags, void *ptr, DWORD size,
	HGLOBAL16 hOwner, unsigned char selflags ) DECLSPEC_HIDDEN;
	extern BOOL16 GLOBAL_FreeBlock( HGLOBAL16 handle ) DECLSPEC_HIDDEN;
	extern BOOL16 GLOBAL_MoveBlock( HGLOBAL16 handle, void *ptr, DWORD size ) DECLSPEC_HIDDEN;
	extern HGLOBAL16 GLOBAL_Alloc( WORD flags, DWORD size, HGLOBAL16 hOwner, unsigned char selflags ) DECLSPEC_HIDDEN;

	/* instr.c */
	extern DWORD __wine_emulate_instruction( EXCEPTION_RECORD rec, CONTEXT context ) DECLSPEC_HIDDEN;
	extern LONG CALLBACK INSTR_vectored_handler( EXCEPTION_POINTERS *ptrs ) DECLSPEC_HIDDEN;

	/* ne_module.c */
	extern NE_MODULE *NE_GetPtr( HMODULE16 hModule ) DECLSPEC_HIDDEN;
	extern WORD NE_GetOrdinal( HMODULE16 hModule, const char *name ) DECLSPEC_HIDDEN;
	extern FARPROC16 WINAPI NE_GetEntryPoint( HMODULE16 hModule, WORD ordinal ) DECLSPEC_HIDDEN;
	extern FARPROC16 NE_GetEntryPointEx( HMODULE16 hModule, WORD ordinal, BOOL16 snoop ) DECLSPEC_HIDDEN;
	extern BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset ) DECLSPEC_HIDDEN;
	extern DWORD NE_StartTask(void) DECLSPEC_HIDDEN;

	/* ne_segment.c */
	extern BOOL NE_LoadSegment( NE_MODULE *pModule, WORD segnum ) DECLSPEC_HIDDEN;
	extern BOOL NE_LoadAllSegments( NE_MODULE *pModule ) DECLSPEC_HIDDEN;
	extern BOOL NE_CreateSegment( NE_MODULE *pModule, int segnum ) DECLSPEC_HIDDEN;
	extern BOOL NE_CreateAllSegments( NE_MODULE *pModule ) DECLSPEC_HIDDEN;
	extern HINSTANCE16 NE_GetInstance( NE_MODULE *pModule ) DECLSPEC_HIDDEN;
	extern void NE_InitializeDLLs( HMODULE16 hModule ) DECLSPEC_HIDDEN;
	extern void NE_DllProcessAttach( HMODULE16 hModule ) DECLSPEC_HIDDEN;
	extern void NE_CallUserSignalProc( HMODULE16 hModule, UINT16 code ) DECLSPEC_HIDDEN;

	/* selector.c */
	extern WORD SELECTOR_AllocBlock( const void *base, DWORD size, unsigned char flags ) DECLSPEC_HIDDEN;
	extern WORD SELECTOR_ReallocBlock( WORD sel, const void *base, DWORD size ) DECLSPEC_HIDDEN;
	extern void SELECTOR_FreeBlock( WORD sel ) DECLSPEC_HIDDEN;
	#define IS_SELECTOR_32BIT(sel) \
	(wine_ldt_is_system(sel) \|\| (wine_ldt_copy.flags[LOWORD(sel) >> 3] & WINE_LDT_FLAGS_32BIT))

	/* relay16.c */
	extern int relay_call_from_16( void entry_point, unsigned char args16, CONTEXT *context ) DECLSPEC_HIDDEN;
	extern void RELAY16_InitDebugLists(void) DECLSPEC_HIDDEN;

	/* snoop16.c */
	extern void SNOOP16_RegisterDLL(HMODULE16,LPCSTR) DECLSPEC_HIDDEN;
	extern FARPROC16 SNOOP16_GetProcAddress16(HMODULE16,DWORD,FARPROC16) DECLSPEC_HIDDEN;
	extern BOOL SNOOP16_ShowDebugmsgSnoop(const char dll,int ord,const char fname) DECLSPEC_HIDDEN;

	/* syslevel.c */
	extern VOID SYSLEVEL_CheckNotLevel( INT level ) DECLSPEC_HIDDEN;

	/* task.c */
	extern void TASK_CreateMainTask(void) DECLSPEC_HIDDEN;
	extern HTASK16 TASK_SpawnTask( NE_MODULE *pModule, WORD cmdShow,
	LPCSTR cmdline, BYTE len, HANDLE *hThread ) DECLSPEC_HIDDEN;
	extern void TASK_ExitTask(void) DECLSPEC_HIDDEN;
	extern HTASK16 TASK_GetTaskFromThread( DWORD thread ) DECLSPEC_HIDDEN;
	extern TDB *TASK_GetCurrent(void) DECLSPEC_HIDDEN;
	extern void TASK_InstallTHHook( THHOOK *pNewThook ) DECLSPEC_HIDDEN;

	extern BOOL WOWTHUNK_Init(void) DECLSPEC_HIDDEN;

	extern WORD DOSMEM_0000H DECLSPEC_HIDDEN;
	extern WORD DOSMEM_BiosDataSeg DECLSPEC_HIDDEN;
	extern WORD DOSMEM_BiosSysSeg DECLSPEC_HIDDEN;
	extern DWORD CallTo16_DataSelector DECLSPEC_HIDDEN;
	extern DWORD CallTo16_TebSelector DECLSPEC_HIDDEN;
	extern SEGPTR CALL32_CBClient_RetAddr DECLSPEC_HIDDEN;
	extern SEGPTR CALL32_CBClientEx_RetAddr DECLSPEC_HIDDEN;

	struct tagSYSLEVEL;

	struct kernel_thread_data
	{
	WORD stack_sel; /* 16-bit stack selector */
	WORD htask16; /* Win16 task handle */
	DWORD sys_count[4]; /* syslevel mutex entry counters */
	struct tagSYSLEVEL sys_mutex[4]; / syslevel mutex pointers */
	void pad[45]; / change this if you add fields! */
	};

	static inline struct kernel_thread_data *kernel_get_thread_data(void)
	{
	return (struct kernel_thread_data *)NtCurrentTeb()->SystemReserved1;
	}

	/* Push a DWORD on the 32-bit stack */
	static inline void stack32_push( CONTEXT *context, DWORD val )
	{
	context->Esp -= sizeof(DWORD);
	(DWORD )context->Esp = val;
	}

	/* Pop a DWORD from the 32-bit stack */
	static inline DWORD stack32_pop( CONTEXT *context )
	{
	DWORD ret = (DWORD )context->Esp;
	context->Esp += sizeof(DWORD);
	return ret;
	}

	#define DEFINE_REGS_ENTRYPOINT(name) \
	__ASM_STDCALL_FUNC( name, 0, \
	"pushl %ebp\n\t" \
	__ASM_CFI(".cfi_adjust_cfa_offset 4\n\t") \
	__ASM_CFI(".cfi_rel_offset %ebp,0\n\t") \
	"movl %esp,%ebp\n\t" \
	__ASM_CFI(".cfi_def_cfa_register %ebp\n\t") \
	"leal -(0x2cc+4)(%esp),%esp\n\t" /* sizeof(CONTEXT) + space for %eax */ \
	"movl %eax,-4(%ebp)\n\t" \
	"pushl %esp\n\t" /* context */ \
	"call " __ASM_NAME("RtlCaptureContext") __ASM_STDCALL(4) "\n\t" \
	"movl -4(%ebp),%eax\n\t" \
	"movl %eax,0xb0(%esp)\n\t" /* context->Eax */ \
	"pushl %esp\n\t" /* context */ \
	"call " __ASM_NAME("__regs_") #name __ASM_STDCALL(4) "\n\t" \
	"pushl %esp\n\t" /* context */ \
	"pushl $-2\n\t" /* GetCurrentThread() */ \
	"call " __ASM_NAME("NtSetContextThread") __ASM_STDCALL(8) "\n\t" \
	"ret" ) /* fake ret to make copy protections happy */

	#endif /* __WINE_KERNEL16_PRIVATE_H */