| /* |
| * Callback functions |
| * |
| * Copyright 1995 Alexandre Julliard |
| */ |
| |
| #ifndef __WINE_CALLBACK_H |
| #define __WINE_CALLBACK_H |
| |
| #include "windef.h" |
| #include "winnt.h" |
| #include "wingdi.h" |
| #include "wine/winuser16.h" |
| |
| extern void SYSDEPS_SwitchToThreadStack( void (*func)(void) ) WINE_NORETURN; |
| |
| typedef void (*RELAY)(); |
| extern FARPROC THUNK_Alloc( FARPROC16 func, RELAY relay ); |
| extern void THUNK_Free( FARPROC thunk ); |
| extern BOOL THUNK_Init(void); |
| extern void THUNK_InitCallout(void); |
| |
| |
| typedef struct |
| { |
| BOOL WINAPI (*PostMessageA)( HWND, UINT, WPARAM, LPARAM ); |
| WORD WINAPI (*UserSignalProc)( UINT, DWORD, DWORD, HMODULE16 ); |
| void WINAPI (*FinalUserInit16)( void ); |
| HQUEUE16 WINAPI (*InitThreadInput16)( WORD, WORD ); |
| void WINAPI (*UserYield16)( void ); |
| WORD WINAPI (*DestroyIcon32)( HGLOBAL16, UINT16 ); |
| DWORD WINAPI (*WaitForInputIdle)( HANDLE, DWORD ); |
| } CALLOUT_TABLE; |
| |
| extern CALLOUT_TABLE Callout; |
| |
| |
| typedef struct { |
| struct _DOSTASK* WINAPI (*Current)( void ); |
| struct _DOSTASK* WINAPI (*LoadDPMI)( void ); |
| void WINAPI (*LoadDosExe)( LPCSTR filename, HANDLE hFile ); |
| BOOL WINAPI (*Exec)( CONTEXT86 *context, LPCSTR filename, BYTE func, LPVOID paramblk ); |
| void WINAPI (*Exit)( CONTEXT86 *context, BOOL cs_psp, WORD retval ); |
| int WINAPI (*Enter)( CONTEXT86 *context ); |
| void WINAPI (*Wait)( int read_pipe, HANDLE hObject ); |
| void WINAPI (*QueueEvent)( int irq, int priority, void (*relay)(CONTEXT86*,void*), void *data ); |
| void WINAPI (*OutPIC)( WORD port, BYTE val ); |
| void WINAPI (*SetTimer)( unsigned ticks ); |
| unsigned WINAPI (*GetTimer)( void ); |
| } DOSVM_TABLE; |
| |
| extern DOSVM_TABLE Dosvm; |
| |
| |
| #include "pshpack1.h" |
| |
| typedef struct tagTHUNK |
| { |
| BYTE popl_eax; /* 0x58 popl %eax (return address)*/ |
| BYTE pushl_func; /* 0x68 pushl $proc */ |
| FARPROC16 proc WINE_PACKED; |
| BYTE pushl_eax; /* 0x50 pushl %eax */ |
| BYTE jmp; /* 0xe9 jmp relay (relative jump)*/ |
| RELAY relay WINE_PACKED; |
| struct tagTHUNK *next WINE_PACKED; |
| DWORD magic; |
| } THUNK; |
| |
| #include "poppack.h" |
| |
| #define CALLTO16_THUNK_MAGIC 0x54484e4b /* "THNK" */ |
| |
| #define DECL_THUNK(aname,aproc,arelay) \ |
| THUNK aname; \ |
| aname.popl_eax = 0x58; \ |
| aname.pushl_func = 0x68; \ |
| aname.proc = (FARPROC16) (aproc); \ |
| aname.pushl_eax = 0x50; \ |
| aname.jmp = 0xe9; \ |
| aname.relay = (RELAY)((char *)(arelay) - (char *)(&(aname).next)); \ |
| aname.next = NULL; \ |
| aname.magic = CALLTO16_THUNK_MAGIC; |
| |
| #endif /* __WINE_CALLBACK_H */ |