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 */