4 * Copyright 1995 Alexandre Julliard
7 #ifndef __WINE_CALLBACK_H
8 #define __WINE_CALLBACK_H
13 #include "wine/winuser16.h"
15 extern void SYSDEPS_SwitchToThreadStack( void (*func
)(void) ) WINE_NORETURN
;
16 extern int SYSDEPS_CallOnLargeStack( int (*func
)(void *), void *arg
);
18 #define CALL_LARGE_STACK( func, arg ) \
19 SYSDEPS_CallOnLargeStack( (int (*)(void *))(func), (void *)(arg) )
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);
30 BOOL
WINAPI (*PeekMessageA
)( LPMSG
, HWND
, UINT
, UINT
, UINT
);
31 BOOL
WINAPI (*GetMessageA
)( MSG
*, HWND
, UINT
, UINT
);
32 LRESULT
WINAPI (*SendMessageA
)( HWND
, UINT
, WPARAM
, LPARAM
);
33 BOOL
WINAPI (*PostMessageA
)( HWND
, UINT
, WPARAM
, LPARAM
);
34 BOOL16
WINAPI (*PostAppMessage16
)( HTASK16
, UINT16
, WPARAM16
, LPARAM
);
35 BOOL
WINAPI (*TranslateMessage
)( const MSG
*msg
);
36 LONG
WINAPI (*DispatchMessageA
)( const MSG
* msg
);
37 BOOL
WINAPI (*RedrawWindow
)( HWND
, const RECT
*, HRGN
, UINT
);
38 WORD
WINAPI (*UserSignalProc
)( UINT
, DWORD
, DWORD
, HMODULE16
);
39 void WINAPI (*FinalUserInit16
)( void );
40 HQUEUE16
WINAPI (*InitThreadInput16
)( WORD
, WORD
);
41 void WINAPI (*UserYield16
)( void );
42 WORD
WINAPI (*DestroyIcon32
)( HGLOBAL16
, UINT16
);
43 DWORD
WINAPI (*WaitForInputIdle
)( HANDLE
, DWORD
);
44 DWORD
WINAPI (*MsgWaitForMultipleObjects
)( DWORD
, HANDLE
*, BOOL
, DWORD
, DWORD
);
45 HWND
WINAPI (*WindowFromDC
)( HDC
);
46 INT
WINAPI (*MessageBoxA
)( HWND
, LPCSTR
, LPCSTR
, UINT
);
47 INT
WINAPI (*MessageBoxW
)( HWND
, LPCWSTR
, LPCWSTR
, UINT
);
50 extern CALLOUT_TABLE Callout
;
54 typedef struct tagTHUNK
56 BYTE popl_eax
; /* 0x58 popl %eax (return address)*/
57 BYTE pushl_func
; /* 0x68 pushl $proc */
58 FARPROC16 proc WINE_PACKED
;
59 BYTE pushl_eax
; /* 0x50 pushl %eax */
60 BYTE jmp
; /* 0xe9 jmp relay (relative jump)*/
61 RELAY relay WINE_PACKED
;
62 struct tagTHUNK
*next WINE_PACKED
;
68 #define CALLTO16_THUNK_MAGIC 0x54484e4b /* "THNK" */
70 #define DECL_THUNK(aname,aproc,arelay) \
72 aname.popl_eax = 0x58; \
73 aname.pushl_func = 0x68; \
74 aname.proc = (FARPROC) (aproc); \
75 aname.pushl_eax = 0x50; \
77 aname.relay = (RELAY)((char *)(arelay) - (char *)(&(aname).next)); \
79 aname.magic = CALLTO16_THUNK_MAGIC;
81 #endif /* __WINE_CALLBACK_H */