83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/*
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* Callback functions
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*
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* Copyright 1995 Alexandre Julliard
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*/
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#ifndef __WINE_CALLBACK_H
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#define __WINE_CALLBACK_H
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#include "windef.h"
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#include "winnt.h"
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#include "wingdi.h"
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#include "wine/winuser16.h"
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extern void SYSDEPS_SwitchToThreadStack( void (*func)(void) ) WINE_NORETURN;
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typedef void (*RELAY)();
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extern FARPROC THUNK_Alloc( FARPROC16 func, RELAY relay );
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extern void THUNK_Free( FARPROC thunk );
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extern BOOL THUNK_Init(void);
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extern void THUNK_InitCallout(void);
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typedef struct
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{
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WORD WINAPI (*UserSignalProc)( UINT, DWORD, DWORD, HMODULE16 );
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WORD WINAPI (*DestroyIcon32)( HGLOBAL16, UINT16 );
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} CALLOUT_TABLE;
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extern CALLOUT_TABLE Callout;
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typedef struct {
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void WINAPI (*LoadDosExe)( LPCSTR filename, HANDLE hFile );
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/* DPMI functions */
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void WINAPI (*CallRMInt)( CONTEXT86 *context );
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void WINAPI (*CallRMProc)( CONTEXT86 *context, int iret );
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void WINAPI (*AllocRMCB)( CONTEXT86 *context );
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void WINAPI (*FreeRMCB)( CONTEXT86 *context );
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/* I/O functions */
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void WINAPI (*SetTimer)( unsigned ticks );
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unsigned WINAPI (*GetTimer)( void );
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BOOL WINAPI (*inport)( int port, int size, DWORD *res );
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BOOL WINAPI (*outport)( int port, int size, DWORD val );
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void WINAPI (*ASPIHandler)( CONTEXT86 *context );
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} DOSVM_TABLE;
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extern DOSVM_TABLE Dosvm;
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#include "pshpack1.h"
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typedef struct tagTHUNK
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{
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BYTE popl_eax; /* 0x58 popl %eax (return address)*/
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BYTE pushl_func; /* 0x68 pushl $proc */
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FARPROC16 proc WINE_PACKED;
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BYTE pushl_eax; /* 0x50 pushl %eax */
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BYTE jmp; /* 0xe9 jmp relay (relative jump)*/
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RELAY relay WINE_PACKED;
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struct tagTHUNK *next WINE_PACKED;
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DWORD magic;
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} THUNK;
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#include "poppack.h"
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#define CALLTO16_THUNK_MAGIC 0x54484e4b /* "THNK" */
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#define DECL_THUNK(aname,aproc,arelay) \
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THUNK aname; \
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aname.popl_eax = 0x58; \
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aname.pushl_func = 0x68; \
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aname.proc = (FARPROC16) (aproc); \
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aname.pushl_eax = 0x50; \
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aname.jmp = 0xe9; \
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aname.relay = (RELAY)((char *)(arelay) - (char *)(&(aname).next)); \
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aname.next = NULL; \
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aname.magic = CALLTO16_THUNK_MAGIC;
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#endif /* __WINE_CALLBACK_H */
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