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 int (*IF1632_CallLargeStack)( int (*func)(void), void *arg );
  16
  17 #define CALL_LARGE_STACK(func,arg) \
  18     (IF1632_CallLargeStack ? \
  19      IF1632_CallLargeStack( (int(*)())(func), (void *)(arg) ) : \
  20      ((int(*)())(func))((void *)arg))
  21
  22 typedef void (*RELAY)();
  23 extern FARPROC THUNK_Alloc( FARPROC16 func, RELAY relay );
  24 extern void THUNK_Free( FARPROC thunk );
  25 extern BOOL THUNK_Init(void);
  26 extern void THUNK_InitCallout(void);
  27
  28 extern void CALL32_Init( void *func, void *target, void *stack ) WINE_NORETURN;
  29
  30 typedef struct
  31 {
  32     LONG (CALLBACK *CallRegisterShortProc)( CONTEXT86 *, INT );
  33     LONG (CALLBACK *CallRegisterLongProc)( CONTEXT86 *, INT );
  34     INT16 (CALLBACK *CallWindowsExitProc)( FARPROC16, INT16 );
  35     INT16 (CALLBACK *CallWordBreakProc)( EDITWORDBREAKPROC16, SEGPTR, INT16,
  36                                          INT16, INT16 );
  37     VOID (CALLBACK *CallBootAppProc)( FARPROC16, HANDLE16, HFILE16 );
  38     WORD (CALLBACK *CallLoadAppSegProc)( FARPROC16, HANDLE16, HFILE16, WORD );
  39     WORD (CALLBACK *CallLocalNotifyFunc)( FARPROC16, WORD, HLOCAL16, WORD );
  40     HGLOBAL16 (CALLBACK *CallResourceHandlerProc)( FARPROC16, HGLOBAL16, HMODULE16, HRSRC16 );
  41     DWORD (CALLBACK *CallUTProc)( FARPROC16, DWORD, DWORD );
  42     LRESULT (CALLBACK *CallASPIPostProc)( FARPROC16, SEGPTR );
  43 } CALLBACKS_TABLE;
  44
  45 extern const CALLBACKS_TABLE *Callbacks;
  46
  47 typedef struct
  48 {
  49     BOOL16 WINAPI (*PeekMessage16)( LPMSG16 msg, HWND16 hwnd,
  50                                     UINT16 first, UINT16 last, UINT16 flags );
  51     BOOL WINAPI (*PeekMessageA)( LPMSG lpmsg, HWND hwnd,
  52                                      UINT min, UINT max, UINT wRemoveMsg );
  53     BOOL WINAPI (*PeekMessageW)( LPMSG lpmsg, HWND hwnd,
  54                                      UINT min, UINT max, UINT wRemoveMsg );
  55
  56     BOOL16 WINAPI (*GetMessage16)( SEGPTR msg, HWND16 hwnd,
  57                                    UINT16 first, UINT16 last );
  58     BOOL WINAPI (*GetMessageA)( MSG* lpmsg, HWND hwnd,
  59                                     UINT min, UINT max );
  60     BOOL WINAPI (*GetMessageW)( MSG* lpmsg, HWND hwnd,
  61                                     UINT min, UINT max );
  62
  63     LRESULT WINAPI (*SendMessage16)( HWND16 hwnd, UINT16 msg,
  64                                      WPARAM16 wParam, LPARAM lParam );
  65     LRESULT WINAPI (*SendMessageA)( HWND hwnd, UINT msg,
  66                                       WPARAM wParam, LPARAM lParam );
  67     LRESULT WINAPI (*SendMessageW)( HWND hwnd, UINT msg,
  68                                       WPARAM wParam, LPARAM lParam );
  69
  70     BOOL16 WINAPI (*PostMessage16)( HWND16 hwnd, UINT16 message,
  71                                     WPARAM16 wParam, LPARAM lParam );
  72     BOOL WINAPI (*PostMessageA)( HWND hwnd, UINT message,
  73                                      WPARAM wParam, LPARAM lParam );
  74     BOOL WINAPI (*PostMessageW)( HWND hwnd, UINT message,
  75                                      WPARAM wParam, LPARAM lParam );
  76
  77     BOOL16 WINAPI (*PostAppMessage16)( HTASK16 hTask, UINT16 message,
  78                                        WPARAM16 wParam, LPARAM lParam );
  79     BOOL WINAPI (*PostThreadMessageA)( DWORD idThread , UINT message,
  80                                            WPARAM wParam, LPARAM lParam );
  81     BOOL WINAPI (*PostThreadMessageW)( DWORD idThread , UINT message,
  82                                            WPARAM wParam, LPARAM lParam );
  83
  84     BOOL16 WINAPI (*TranslateMessage16)( const MSG16 *msg );
  85     BOOL WINAPI (*TranslateMessage)( const MSG *msg );
  86
  87     LONG WINAPI (*DispatchMessage16)( const MSG16* msg );
  88     LONG WINAPI (*DispatchMessageA)( const MSG* msg );
  89     LONG WINAPI (*DispatchMessageW)( const MSG* msg );
  90
  91     BOOL16 WINAPI (*RedrawWindow16)( HWND16 hwnd, const RECT16 *rectUpdate,
  92                                      HRGN16 hrgnUpdate, UINT16 flags );
  93
  94     BOOL WINAPI (*RedrawWindow)( HWND hwnd, const RECT *rectUpdate,
  95                                      HRGN hrgnUpdate, UINT flags );
  96
  97     WORD WINAPI (*UserSignalProc)( UINT uCode, DWORD dwThreadOrProcessID,
  98                                    DWORD dwFlags, HMODULE16 hModule );
  99     void WINAPI (*FinalUserInit16)( void );
 100
 101     INT16 WINAPI (*InitApp16)( HINSTANCE16 hInst );
 102     HQUEUE16 WINAPI (*InitThreadInput16)( WORD unknown, WORD flags );
 103     void WINAPI (*UserYield16)( void );
 104     WORD WINAPI (*DestroyIcon32)( HGLOBAL16 handle, UINT16 flags );
 105     DWORD WINAPI (*WaitForInputIdle)( HANDLE hProcess, DWORD dwTimeOut );
 106
 107     INT WINAPI (*MessageBoxA)( HWND hWnd, LPCSTR text, LPCSTR title, UINT type );
 108     INT WINAPI (*MessageBoxW)( HWND hwnd, LPCWSTR text, LPCWSTR title, UINT type );
 109
 110 }  CALLOUT_TABLE;
 111
 112 extern CALLOUT_TABLE Callout;
 113
 114 #include "pshpack1.h"
 115
 116 typedef struct tagTHUNK
 117 {
 118     BYTE             popl_eax;           /* 0x58  popl  %eax (return address)*/
 119     BYTE             pushl_func;         /* 0x68  pushl $proc */
 120     FARPROC16        proc WINE_PACKED;
 121     BYTE             pushl_eax;          /* 0x50  pushl %eax */
 122     BYTE             jmp;                /* 0xe9  jmp   relay (relative jump)*/
 123     RELAY            relay WINE_PACKED;
 124     struct tagTHUNK *next WINE_PACKED;
 125     DWORD            magic;
 126 } THUNK;
 127
 128 #include "poppack.h"
 129
 130 #define CALLTO16_THUNK_MAGIC 0x54484e4b   /* "THNK" */
 131
 132 #define DECL_THUNK(aname,aproc,arelay) \
 133     THUNK aname; \
 134     aname.popl_eax = 0x58; \
 135     aname.pushl_func = 0x68; \
 136     aname.proc = (FARPROC) (aproc); \
 137     aname.pushl_eax = 0x50; \
 138     aname.jmp = 0xe9; \
 139     aname.relay = (RELAY)((char *)(arelay) - (char *)(&(aname).next)); \
 140     aname.next = NULL; \
 141     aname.magic = CALLTO16_THUNK_MAGIC;
 142
 143 #endif /* __WINE_CALLBACK_H */