Source code of Windows XP (NT5)
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/*++ BUILD Version: 0001 // Increment this if a change has global effects
Copyright (c) Microsoft Corporation. All rights reserved.
Module Name:
wow64t.h
Abstract:
32-bit structure definitions for 64-bit NT.
Author:
Barry Bond (barrybo) 20-Jun-1998
Revision History:
--*/
#ifndef _WOW64T_
#define _WOW64T_
//
// Page size on x86 NT
//
#define PAGE_SIZE_X86NT 0x1000
#define PAGE_SHIFT_X86NT 12L
//
// Conver the number of native pages to sub x86-pages
//
#define Wow64GetNumberOfX86Pages(NativePages) \
(NativePages * (PAGE_SIZE >> PAGE_SHIFT_X86NT))
// The name of the 32-bit system directory, which is a child of %SystemRoot%
#define WOW64_SYSTEM_DIRECTORY "syswow64"
#define WOW64_SYSTEM_DIRECTORY_U L"syswow64"
// Length in bytes of the new system directory, not counting a
// null terminator
//
#define WOW64_SYSTEM_DIRECTORY_SIZE (sizeof(WOW64_SYSTEM_DIRECTORY)-sizeof(CHAR))
#define WOW64_SYSTEM_DIRECTORY_U_SIZE (sizeof(WOW64_SYSTEM_DIRECTORY_U)-sizeof(WCHAR))
#define WOW64_X86_TAG " (x86)"
#define WOW64_X86_TAG_U L" (x86)"
#define TYPE32(x) ULONG
#define TYPE64(x) ULONGLONG
//
// Wow64Info structure is shared between 32-bit and 64-bit modules inside a Wow64 process.
// NOTE : This structure shouldn't contain any pointer-dependent data, as
// it is viewed from 32-bit and 64-bit code.
//
typedef struct _WOW64INFO {
ULONG NativeSystemPageSize; // Page size of the native system the emulator is running on.
ULONG CpuFlags;
} WOW64INFO, *PWOW64INFO;
typedef struct _PEB_LDR_DATA32 {
ULONG Length;
BOOLEAN Initialized;
TYPE32(HANDLE) SsHandle;
LIST_ENTRY32 InLoadOrderModuleList;
LIST_ENTRY32 InMemoryOrderModuleList;
LIST_ENTRY32 InInitializationOrderModuleList;
TYPE32(PVOID) EntryInProgress;
} PEB_LDR_DATA32, *PPEB_LDR_DATA32;
typedef struct _GDI_TEB_BATCH32 {
ULONG Offset;
TYPE32(ULONG_PTR) HDC;
ULONG Buffer[GDI_BATCH_BUFFER_SIZE];
} GDI_TEB_BATCH32,*PGDI_TEB_BATCH32;
typedef struct _GDI_TEB_BATCH64 {
ULONG Offset;
TYPE64(ULONG_PTR) HDC;
ULONG Buffer[GDI_BATCH_BUFFER_SIZE];
} GDI_TEB_BATCH64,*PGDI_TEB_BATCH64;
typedef struct _Wx86ThreadState32 {
TYPE32(PULONG) CallBx86Eip;
TYPE32(PVOID) DeallocationCpu;
BOOLEAN UseKnownWx86Dll;
char OleStubInvoked;
} WX86THREAD32, *PWX86THREAD32;
typedef struct _Wx86ThreadState64 {
TYPE64(PULONG) CallBx86Eip;
TYPE64(PVOID) DeallocationCpu;
BOOLEAN UseKnownWx86Dll;
char OleStubInvoked;
} WX86THREAD64, *PWX86THREAD64;
typedef struct _CLIENT_ID32 {
TYPE32(HANDLE) UniqueProcess;
TYPE32(HANDLE) UniqueThread;
} CLIENT_ID32;
typedef CLIENT_ID32 *PCLIENT_ID32;
#if !defined(CLIENT_ID64_DEFINED)
typedef struct _CLIENT_ID64 {
TYPE64(HANDLE) UniqueProcess;
TYPE64(HANDLE) UniqueThread;
} CLIENT_ID64;
typedef CLIENT_ID64 *PCLIENT_ID64;
#define CLIENT_ID64_DEFINED
#endif
typedef ULONG GDI_HANDLE_BUFFER32[GDI_HANDLE_BUFFER_SIZE32];
typedef ULONG GDI_HANDLE_BUFFER64[GDI_HANDLE_BUFFER_SIZE64];
#define PEBTEB_BITS 32
#include "pebteb.h"
#undef PEBTEB_BITS
#define PEBTEB_BITS 64
#include "pebteb.h"
#undef PEBTEB_BITS
typedef struct _RTL_DRIVE_LETTER_CURDIR32 {
USHORT Flags;
USHORT Length;
ULONG TimeStamp;
STRING32 DosPath;
} RTL_DRIVE_LETTER_CURDIR32, *PRTL_DRIVE_LETTER_CURDIR32;
typedef struct _CURDIR32 {
UNICODE_STRING32 DosPath;
TYPE32(HANDLE) Handle;
} CURDIR32, *PCURDIR32;
typedef struct _RTL_USER_PROCESS_PARAMETERS32 {
ULONG MaximumLength;
ULONG Length;
ULONG Flags;
ULONG DebugFlags;
TYPE32(HANDLE) ConsoleHandle;
ULONG ConsoleFlags;
TYPE32(HANDLE) StandardInput;
TYPE32(HANDLE) StandardOutput;
TYPE32(HANDLE) StandardError;
CURDIR32 CurrentDirectory; // ProcessParameters
UNICODE_STRING32 DllPath; // ProcessParameters
UNICODE_STRING32 ImagePathName; // ProcessParameters
UNICODE_STRING32 CommandLine; // ProcessParameters
TYPE32(PVOID) Environment; // NtAllocateVirtualMemory
ULONG StartingX;
ULONG StartingY;
ULONG CountX;
ULONG CountY;
ULONG CountCharsX;
ULONG CountCharsY;
ULONG FillAttribute;
ULONG WindowFlags;
ULONG ShowWindowFlags;
UNICODE_STRING32 WindowTitle; // ProcessParameters
UNICODE_STRING32 DesktopInfo; // ProcessParameters
UNICODE_STRING32 ShellInfo; // ProcessParameters
UNICODE_STRING32 RuntimeData; // ProcessParameters
RTL_DRIVE_LETTER_CURDIR32 CurrentDirectores[ RTL_MAX_DRIVE_LETTERS ];
} RTL_USER_PROCESS_PARAMETERS32, *PRTL_USER_PROCESS_PARAMETERS32;
#if !defined(BUILD_WOW6432)
//
// Macros to encapsulate fields that are used to store the TEB.
// They are kernel safe since the 64BIT TEB is locked down in memory
// and cann't be moved or decommited until the thread dies.
#define WOW64_GET_TEB32(teb64) \
((PTEB32)((teb64)->NtTib.ExceptionList))
//
// Update the first qword in the 64-bit TEB. The 32-bit rdteb instruction
// reads the TEB32 pointer value directly from this field.
//
#define WOW64_SET_TEB32(teb64, teb32) \
(teb64)->NtTib.ExceptionList = (struct _EXCEPTION_REGISTRATION_RECORD *)(teb32);
#define WOW64_TEB32_POINTER_ADDRESS(teb64) \
(PVOID)&((teb64)->NtTib.ExceptionList)
#endif
//
// Thunk macros
#define UStr32ToUStr(dst, src) { (dst)->Length = (src)->Length; \
(dst)->MaximumLength = (src)->MaximumLength; \
(dst)->Buffer = (PWSTR) ((src)->Buffer); }
#define UStrToUStr32(dst, src) { (dst)->Length = (src)->Length; \
(dst)->MaximumLength = (src)->MaximumLength; \
(dst)->Buffer = (ULONG) ((src)->Buffer); }
#define NtCurrentTeb32() ((PTEB32) (NtCurrentTeb()->NtTib.ExceptionList) )
#define NtCurrentPeb32() ((PPEB32) (NtCurrentTeb32()->ProcessEnvironmentBlock) )
// This is currently defined in windows\core\w32inc\w32wow64.h:
#define NtCurrentTeb64() ((PTEB64)((PTEB32)NtCurrentTeb())->GdiBatchCount)
// This is currently defined in base\wow64\inc\wow64.h:
#define WOW64_TLS_FILESYSREDIR 8 // Used to enable/disable the filesystem
#define WOW64_TLS_WOW64INFO 10 // Used to access native system information for wow64 processes.
// These should only be called from Win32 code known to be running on Win64.
#if !_WIN64
#define Wow64EnableFilesystemRedirector() \
NtCurrentTeb64()->TlsSlots[WOW64_TLS_FILESYSREDIR] = 0;
#define Wow64DisableFilesystemRedirector(filename) \
NtCurrentTeb64()->TlsSlots[WOW64_TLS_FILESYSREDIR] = (ULONGLONG)(ULONG)filename;
//
// Wow64Info is accessed only from compiled code for x86 on win64.
// NOTE: Only Wow64 processes are allowed to call these macros.
//
#define Wow64GetSharedInfo() ((PWOW64INFO)NtCurrentTeb64()->TlsSlots[WOW64_TLS_WOW64INFO])
#define Wow64GetSystemNativePageSize() \
((PWOW64INFO)(NtCurrentTeb64()->TlsSlots[WOW64_TLS_WOW64INFO]))->NativeSystemPageSize
#else
#define Wow64GetSharedInfo() ((PWOW64INFO)NtCurrentTeb()->TlsSlots[WOW64_TLS_WOW64INFO])
#endif
#endif // _WOW64T_