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// --------------------------------------------------------------------------
//
// AS16.H
//
// Defines for 16-bit patching dll, the vestigial pieces of the dclwin95
// code we still need in the 32-bit port.
//
// NOTE ON VARIABLE NAMING CONVENTION:
// c_ is codeseg (constant)
// s_ is local (writeable, static to file)
// g_ is global (writeable, accessed by any file)
//
// --------------------------------------------------------------------------
#ifndef _H_AS16
#define _H_AS16
#define DLL_PROCESS_DETACH 0
#define DLL_PROCESS_ATTACH 1
#define FAR_NULL ((void FAR*)0L)
#define CODESEG _based(_segname("_CODE"))
//
// SYSTEM & APP SHARING HEADERS
//
#include <dcg.h>
#include <ut.h>
#include <dcs.h>
#include <osi.h>
#include <shm.h>
#include <sbc.h>
#include <oe.h>
#include <ssi.h>
#include <host.h>
#include <im.h>
#include <usr.h>
#include <asthk.h>
//
// WINDOWS FUNCTIONS
//
int MyStrcmp(LPCSTR lp1, LPCSTR lp2);
/////////////////////////////////////////////////////////////////////////////
// KERNEL
/////////////////////////////////////////////////////////////////////////////
// Pointer mapping 16<->32
LPVOID WINAPI MapSL(LPVOID lp16BitPtr);LPVOID WINAPI MapLS(LPVOID lp32BitPtr);void WINAPI UnMapLS(LPVOID lp16BitMappedPtr);DWORD WINAPI GetModuleHandle32(LPSTR);DWORD WINAPI GetProcAddress32(DWORD, LPSTR);HANDLE WINAPI GetExePtr(HANDLE);
HINSTANCE WINAPI MapInstance32(DWORD); // Our wrapper around MaphInstLS
// GetCodeInfo() flags
#define NSTYPE 0x0007
#define NSCODE 0x0000
#define NSDATA 0x0001
#define NSITER 0x0008
#define NSMOVE 0x0010
#define NSSHARE 0x0020
#define HSPRELOAD 0x0040
#define NSERONLY 0x0080
#define NSRELOC 0x0100
#define NSDPL 0x0C00
#define NSDISCARD 0x1000
#define NS286DOS 0xCE06
#define NSALLOCED 0x0002
#define NSLOADED 0x0004
#define NSCOMPR 0x0200
#define NSUSESDATA 0x0400
#define NSKCACHED 0x0800
#define NSUSE32 0x2000
#define NSWINCODE 0x4000
#define NSINROM 0x8000
// Process info
#define GPD_PPI 0
#define GPD_FLAGS -4
#define GPD_PARENT -8
#define GPD_STARTF_FLAGS -12
#define GPD_STARTF_POS -16
#define GPD_STARTF_SIZE -20
#define GPD_STARTF_SHOWCMD -24
#define GPD_STARTF_HOTKEY -28
#define GPD_STARTF_SHELLDATA -32
#define GPD_CURR_PROCESS_ID -36
#define GPD_CURR_THREAD_ID -40
#define GPD_EXP_WINVER -44
#define GPD_EXP_WINVER -44
#define GPD_HINST -48
#define GPD_HUTSTATE -52
#define GPD_COMPATFLAGS -56
//
// GPD_FLAGS
//
#define GPF_DEBUG_PROCESS 0x00000001
#define GPF_WIN16_PROCESS 0x00000008
#define GPF_DOS_PROCESS 0x00000010
#define GPF_CONSOLE_PROCESS 0x00000020
#define GPF_SERVICE_PROCESS 0x00000100
//
// GPD_STARTF_FLAGS
//
#define STARTF_USESHOWWINDOW 0x00000001
#define STARTF_USESIZE 0x00000002
#define STARTF_USEPOSITION 0x00000004
#define STARTF_FORCEONFEEDBACK 0x00000040
#define STARTF_FORCEOFFFEEDBACK 0x00000080
#define STARTF_USEHOTKEY 0x00000200
#define STARTF_HASSHELLDATA 0x00000400
DWORD WINAPI GetProcessDword(DWORD idProcess, int iIndex);BOOL WINAPI SetProcessDword(DWORD idProcess, int iIndex, DWORD dwValue);
void WINAPI _EnterWin16Lock(void);void WINAPI _LeaveWin16Lock(void);
//
// Special krnl386 routine to map unicode to ansi. We only need thunk for
// converting back.
//
int WINAPI UniToAnsi(LPWSTR lpwszSrc, LPSTR lpszDst, int cch);
//
// kernel32.dll routine to map back to unicode from ansi.
//
typedef LONG (WINAPI * ANSITOUNIPROC)(DWORD codePage, DWORD dwFlags, LPCSTR lpMb, LONG cchMb, LPWSTR lpUni, LONG cchUni);
int AnsiToUni(LPSTR lpMb, int cchMb, LPWSTR lpUni, int cchUni);
//
// dwMask is bitfields, where 1 means that parameter should be thunked as
// a pointer. 0x00000001 means the 1st param, 0x00000002 means the 2nd,
// and so on.
//
// The caller is responsible for making sure that the 32-bit address is
// valid to call.
//
DWORD FAR _cdecl CallProcEx32W(DWORD numParams, DWORD dwMask, DWORD lpfn32, ...);
/////////////////////////////////////////////////////////////////////////////
// GDI
/////////////////////////////////////////////////////////////////////////////
//
// Useful DIB def
//
typedef struct tagDIB4{ BITMAPINFOHEADER bi; DWORD ct[16];} DIB4;
BOOL WINAPI MakeObjectPrivate(HANDLE, BOOL);
UINT WINAPI CreateSpb(HDC, int, int);BOOL WINAPI SysDeleteObject(HANDLE);HRGN WINAPI GetClipRgn(HDC);
UINT WINAPI Death(HDC);UINT WINAPI Resurrection(HDC, DWORD, DWORD, DWORD);void WINAPI RealizeDefaultPalette(HDC);DWORD WINAPI GDIRealizePalette(HDC);
extern DWORD FAR FT_GdiFThkThkConnectionData[];
typedef BOOL (WINAPI* REALPATBLTPROC)(HDC, int, int, int, int, DWORD);typedef BOOL (WINAPI* TEXTOUTWPROC)(HDC, int, int, LPCWSTR, int);typedef BOOL (WINAPI* EXTTEXTOUTWPROC)(HDC, int, int, UINT, LPCRECT, LPCWSTR, UINT, LPINT);typedef BOOL (WINAPI* POLYLINETOPROC)(HDC, LPCPOINT, int);typedef BOOL (WINAPI* POLYPOLYLINEPROC)(DWORD, HDC, LPCPOINT, LPINT, int);
typedef BOOL (WINAPI* SETCURSORPROC)(LPCURSORSHAPE lpcurs);typedef BOOL (WINAPI* SAVEBITSPROC)(LPRECT lprcSave, UINT uCmd);
/////////////////////////////////////////////////////////////////////////////
// USER
/////////////////////////////////////////////////////////////////////////////
#define WOAHACK_CHECKALTKEYSTATE 1
#define WOAHACK_IGNOREALTKEYDOWN 2
#define WOAHACK_DISABLEREPAINTSCREEN 3
#define WOAHACK_LOSINGDISPLAYFOCUS 4
#define WOAHACK_GAININGDISPLAYFOCUS 5
#define WOAHACK_IAMAWINOLDAPPSORTOFGUY 6
#define WOAHACK_SCREENSAVER 7
BOOL WINAPI RealGetCursorPos(LPPOINT);void WINAPI PostPostedMessages(void);void WINAPI DispatchInput(void);LONG WINAPI WinOldAppHackoMatic(LONG flags);
typedef DWORD (WINAPI* GETWINDOWTHREADPROCESSIDPROC)(HWND, LPDWORD);typedef LONG (WINAPI* CDSEXPROC)(LPCSTR, LPDEVMODE, HWND, DWORD, LPVOID);
typedef struct tagCWPSTRUCT{ LPARAM lParam; WPARAM wParam; UINT message; HWND hwnd;} CWPSTRUCT, FAR* LPCWPSTRUCT;
//
// Cursor stuff
//
#define BitmapWidth(cx, bits)\
((((cx)*(bits) + 0x0F) & ~0x0F) >> 3)
#define BitmapSize(cx, cy, planes, bits)\
(BitmapWidth(cx, bits) * (cy) * (planes))
extern DWORD FAR FT_UsrFThkThkConnectionData[];
void PostMessageNoFail(HWND, UINT, WPARAM, LPARAM);
//
// Mouse_ and Keybd_ Event stuf
//
//
// For keyboard events, the app API and USER intterrupt flags are different.
// For mouse events, they are the same.
//
#define KEYEVENTF_EXTENDEDKEY 0x0001
#define KEYEVENTF_KEYUP 0x0002
#define USERKEYEVENTF_EXTENDEDKEY 0x0100
#define USERKEYEVENTF_KEYUP 0x8000
#define MOUSEEVENTF_MOVE 0x0001
#define MOUSEEVENTF_LEFTDOWN 0x0002
#define MOUSEEVENTF_LEFTUP 0x0004
#define MOUSEEVENTF_RIGHTDOWN 0x0008
#define MOUSEEVENTF_RIGHTUP 0x0010
#define MOUSEEVENTF_MIDDLEDOWN 0x0020
#define MOUSEEVENTF_MIDDLEUP 0x0040
#define MOUSEEVENTF_WHEEL 0x0800
#define MOUSEEVENTF_ABSOLUTE 0x8000
void FAR mouse_event(void);void FAR ASMMouseEvent(void);void CallMouseEvent(UINT regAX, UINT regBX, UINT regCX, UINT regDX, UINT regSI, UINT regDI);
void FAR keybd_event(void);void FAR ASMKeyboardEvent(void);void CallKeyboardEvent(UINT regAX, UINT regBX, UINT regSI, UINT regDI);
//
// Signals
//
#define SIG_PRE_FORCE_LOCK 0x0003
#define SIG_POST_FORCE_LOCK 0x0004
BOOL WINAPI SignalProc32(DWORD dwSignal, DWORD dwID, DWORD dwFlags, WORD hTask16);
//
// PATCHING
//
#define OPCODE32_PUSH 0x68
#define OPCODE32_CALL 0xE8
#define OPCODE32_MOVCL 0xB1
#define OPCODE32_MOVCX 0xB966
#define OPCODE32_JUMP4 0xE9
#define OPCODE_MOVAX 0xB8
#define OPCODE_FARJUMP16 0xEA
#define OPCODE32_16OVERRIDE 0x66
#define CB_PATCHBYTES16 5
#define CB_PATCHBYTES32 6
#define CB_PATCHBYTESMAX max(CB_PATCHBYTES16, CB_PATCHBYTES32)
typedef struct tagFN_PATCH{ BYTE rgbOrg[CB_PATCHBYTESMAX]; // Original function bytes
BYTE rgbPatch[CB_PATCHBYTESMAX]; // Patch bytes
UINT wSegOrg; // Original code segment (we fix it)
UINT fActive:1; // Patch has been activated
UINT fEnabled:1; // Patch is currently enabled
UINT fSharedAlias:1; // Don't free selector on destroy
UINT fInterruptable:1; // Interrupt handler
UINT f32Bit:1; // 32-bit code segment
LPBYTE lpCodeAlias; // We keep an alias around to quickly enable/disable
} FN_PATCH, FAR* LPFN_PATCH;
#define ENABLE_OFF 0x0000 // disable end
#define ENABLE_ON 0x0001 // enable start
#define ENABLE_FORCALL 0x8000 // disable/enable for org call
#define ENABLE_MASK 0x8001
#define PATCH_ACTIVATE (ENABLE_ON)
#define PATCH_DEACTIVATE (ENABLE_OFF)
#define PATCH_ENABLE (ENABLE_ON | ENABLE_FORCALL)
#define PATCH_DISABLE (ENABLE_OFF | ENABLE_FORCALL)
//
// NOTE: If the function being patched can be called at interrupt time,
// the caller must make sure the jump to function can handle it.
//
// When your patch is called you:
// * disable your patch with ENABLE_CALLOFF
// * call the original function
// * enable your patch with ENABLE_CALLON
//
UINT CreateFnPatch(LPVOID lpfnToPatch, LPVOID lpfnJumpTo, LPFN_PATCH lpbPatch, UINT selCodeAlias);void DestroyFnPatch(LPFN_PATCH lpbPatch);void EnableFnPatch(LPFN_PATCH lpbPatch, UINT flags);
BOOL GetGdi32OnlyExport(LPSTR lpszExport, UINT cbJmpOffset, FARPROC FAR* lplpfn16);BOOL GetUser32OnlyExport(LPSTR lpszExport, FARPROC FAR* lplpfn16);BOOL Get32BitOnlyExport(DWORD lpfn32, UINT cbJmpOffset, LPDWORD lpThunkTable, FARPROC FAR * lplpfn16);
LPCURSORSHAPE XformCursorBits(LPCURSORSHAPE lpOrg);
// #define OTRACE WARNING_OUT
#define OTRACE TRACE_OUT
#include <globals.h>
#endif // !_H_AS16
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