include/callback.h

   1 /*
   2  * Callback functions
   3  *
   4  * Copyright 1995 Alexandre Julliard
   5  */
   6
   7 #ifndef __WINE_CALLBACK_H
   8 #define __WINE_CALLBACK_H
   9
  10 #include "windef.h"
  11 #include "winnt.h"
  12 #include "wingdi.h"
  13 #include "wine/winuser16.h"
  14
  15 extern void SYSDEPS_SwitchToThreadStack( void (*func)(void) ) WINE_NORETURN;
  16 extern int SYSDEPS_CallOnLargeStack( int (*func)(void *), void *arg );
  17
  18 #define CALL_LARGE_STACK( func, arg ) \
  19         SYSDEPS_CallOnLargeStack( (int (*)(void *))(func), (void *)(arg) )
  20
  21 typedef void (*RELAY)();
  22 extern FARPROC THUNK_Alloc( FARPROC16 func, RELAY relay );
  23 extern void THUNK_Free( FARPROC thunk );
  24 extern BOOL THUNK_Init(void);
  25 extern void THUNK_InitCallout(void);
  26
  27 typedef struct
  28 {
  29     LONG (CALLBACK *CallRegisterShortProc)( CONTEXT86 *, INT );
  30     LONG (CALLBACK *CallRegisterLongProc)( CONTEXT86 *, INT );
  31     INT16 (CALLBACK *CallWindowsExitProc)( FARPROC16, INT16 );
  32     INT16 (CALLBACK *CallWordBreakProc)( EDITWORDBREAKPROC16, SEGPTR, INT16,
  33                                          INT16, INT16 );
  34     VOID (CALLBACK *CallBootAppProc)( FARPROC16, HANDLE16, HFILE16 );
  35     WORD (CALLBACK *CallLoadAppSegProc)( FARPROC16, HANDLE16, HFILE16, WORD );
  36     WORD (CALLBACK *CallLocalNotifyFunc)( FARPROC16, WORD, HLOCAL16, WORD );
  37     HGLOBAL16 (CALLBACK *CallResourceHandlerProc)( FARPROC16, HGLOBAL16, HMODULE16, HRSRC16 );
  38     DWORD (CALLBACK *CallUTProc)( FARPROC16, DWORD, DWORD );
  39     LRESULT (CALLBACK *CallASPIPostProc)( FARPROC16, SEGPTR );
  40 } CALLBACKS_TABLE;
  41
  42 extern const CALLBACKS_TABLE *Callbacks;
  43
  44 typedef struct
  45 {
  46     BOOL16 WINAPI (*PeekMessage16)( LPMSG16 msg, HWND16 hwnd,
  47                                     UINT16 first, UINT16 last, UINT16 flags );
  48     BOOL WINAPI (*PeekMessageA)( LPMSG lpmsg, HWND hwnd,
  49                                      UINT min, UINT max, UINT wRemoveMsg );
  50     BOOL WINAPI (*PeekMessageW)( LPMSG lpmsg, HWND hwnd,
  51                                      UINT min, UINT max, UINT wRemoveMsg );
  52
  53     BOOL16 WINAPI (*GetMessage16)( SEGPTR msg, HWND16 hwnd,
  54                                    UINT16 first, UINT16 last );
  55     BOOL WINAPI (*GetMessageA)( MSG* lpmsg, HWND hwnd,
  56                                     UINT min, UINT max );
  57     BOOL WINAPI (*GetMessageW)( MSG* lpmsg, HWND hwnd,
  58                                     UINT min, UINT max );
  59
  60     LRESULT WINAPI (*SendMessage16)( HWND16 hwnd, UINT16 msg,
  61                                      WPARAM16 wParam, LPARAM lParam );
  62     LRESULT WINAPI (*SendMessageA)( HWND hwnd, UINT msg,
  63                                       WPARAM wParam, LPARAM lParam );
  64     LRESULT WINAPI (*SendMessageW)( HWND hwnd, UINT msg,
  65                                       WPARAM wParam, LPARAM lParam );
  66
  67     BOOL16 WINAPI (*PostMessage16)( HWND16 hwnd, UINT16 message,
  68                                     WPARAM16 wParam, LPARAM lParam );
  69     BOOL WINAPI (*PostMessageA)( HWND hwnd, UINT message,
  70                                      WPARAM wParam, LPARAM lParam );
  71     BOOL WINAPI (*PostMessageW)( HWND hwnd, UINT message,
  72                                      WPARAM wParam, LPARAM lParam );
  73
  74     BOOL16 WINAPI (*PostAppMessage16)( HTASK16 hTask, UINT16 message,
  75                                        WPARAM16 wParam, LPARAM lParam );
  76     BOOL WINAPI (*PostThreadMessageA)( DWORD idThread , UINT message,
  77                                            WPARAM wParam, LPARAM lParam );
  78     BOOL WINAPI (*PostThreadMessageW)( DWORD idThread , UINT message,
  79                                            WPARAM wParam, LPARAM lParam );
  80
  81     BOOL16 WINAPI (*TranslateMessage16)( const MSG16 *msg );
  82     BOOL WINAPI (*TranslateMessage)( const MSG *msg );
  83
  84     LONG WINAPI (*DispatchMessage16)( const MSG16* msg );
  85     LONG WINAPI (*DispatchMessageA)( const MSG* msg );
  86     LONG WINAPI (*DispatchMessageW)( const MSG* msg );
  87
  88     BOOL16 WINAPI (*RedrawWindow16)( HWND16 hwnd, const RECT16 *rectUpdate,
  89                                      HRGN16 hrgnUpdate, UINT16 flags );
  90
  91     BOOL WINAPI (*RedrawWindow)( HWND hwnd, const RECT *rectUpdate,
  92                                      HRGN hrgnUpdate, UINT flags );
  93
  94     WORD WINAPI (*UserSignalProc)( UINT uCode, DWORD dwThreadOrProcessID,
  95                                    DWORD dwFlags, HMODULE16 hModule );
  96     void WINAPI (*FinalUserInit16)( void );
  97
  98     INT16 WINAPI (*InitApp16)( HINSTANCE16 hInst );
  99     HQUEUE16 WINAPI (*InitThreadInput16)( WORD unknown, WORD flags );
 100     void WINAPI (*UserYield16)( void );
 101     WORD WINAPI (*DestroyIcon32)( HGLOBAL16 handle, UINT16 flags );
 102     DWORD WINAPI (*WaitForInputIdle)( HANDLE hProcess, DWORD dwTimeOut );
 103
 104     INT WINAPI (*MessageBoxA)( HWND hWnd, LPCSTR text, LPCSTR title, UINT type );
 105     INT WINAPI (*MessageBoxW)( HWND hwnd, LPCWSTR text, LPCWSTR title, UINT type );
 106
 107 }  CALLOUT_TABLE;
 108
 109 extern CALLOUT_TABLE Callout;
 110
 111 #include "pshpack1.h"
 112
 113 typedef struct tagTHUNK
 114 {
 115     BYTE             popl_eax;           /* 0x58  popl  %eax (return address)*/
 116     BYTE             pushl_func;         /* 0x68  pushl $proc */
 117     FARPROC16        proc WINE_PACKED;
 118     BYTE             pushl_eax;          /* 0x50  pushl %eax */
 119     BYTE             jmp;                /* 0xe9  jmp   relay (relative jump)*/
 120     RELAY            relay WINE_PACKED;
 121     struct tagTHUNK *next WINE_PACKED;
 122     DWORD            magic;
 123 } THUNK;
 124
 125 #include "poppack.h"
 126
 127 #define CALLTO16_THUNK_MAGIC 0x54484e4b   /* "THNK" */
 128
 129 #define DECL_THUNK(aname,aproc,arelay) \
 130     THUNK aname; \
 131     aname.popl_eax = 0x58; \
 132     aname.pushl_func = 0x68; \
 133     aname.proc = (FARPROC) (aproc); \
 134     aname.pushl_eax = 0x50; \
 135     aname.jmp = 0xe9; \
 136     aname.relay = (RELAY)((char *)(arelay) - (char *)(&(aname).next)); \
 137     aname.next = NULL; \
 138     aname.magic = CALLTO16_THUNK_MAGIC;
 139
 140 #endif /* __WINE_CALLBACK_H */