wine/include/builtin16.h

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/*
* Win16 built-in DLLs definitions
*
* Copyright 1999 Ulrich Weigand
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __WINE_BUILTIN16_H
#define __WINE_BUILTIN16_H
#include <windef.h>
#include <wine/windef16.h>
struct _CONTEXT86;
struct _STACK16FRAME;
#include <pshpack1.h>
#ifdef __i386__
typedef struct
{
WORD pushw_bp; /* pushw %bp */
BYTE pushl; /* pushl $target */
void (*target)();
WORD call; /* call CALLFROM16 */
short callfrom16;
} ENTRYPOINT16;
typedef struct
{
BYTE pushl; /* pushl $relay */
void *relay;
BYTE lcall; /* lcall __FLATCS__:glue */
void *glue;
WORD flatcs;
WORD lret; /* lret $nArgs */
WORD nArgs;
DWORD arg_types[2]; /* type of each argument */
} CALLFROM16;
#else
typedef struct
{
void (*target)();
WORD call; /* call CALLFROM16 */
short callfrom16;
} ENTRYPOINT16;
typedef struct
{
WORD lret; /* lret $nArgs */
WORD nArgs;
DWORD arg_types[2]; /* type of each argument */
} CALLFROM16;
#endif
#include <poppack.h>
/* argument type flags for relay debugging */
enum arg_types
{
ARG_NONE = 0, /* indicates end of arg list */
ARG_WORD, /* unsigned word */
ARG_SWORD, /* signed word */
ARG_LONG, /* long or segmented pointer */
ARG_PTR, /* linear pointer */
ARG_STR, /* linear pointer to null-terminated string */
ARG_SEGSTR /* segmented pointer to null-terminated string */
};
/* flags added to arg_types[0] */
#define ARG_RET16 0x80000000 /* function returns 16-bit value */
#define ARG_REGISTER 0x40000000 /* function is register */
extern WORD __wine_call_from_16_word();
extern LONG __wine_call_from_16_long();
extern void __wine_call_from_16_regs();
#endif /* __WINE_BUILTIN16_H */