wine/dlls/win32u/syscall.c

79 lines
1.9 KiB
C

/*
* Unix interface for Win32 syscalls
*
* Copyright (C) 2021 Alexandre Julliard
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#if 0
#pragma makedep unix
#endif
#include <stdarg.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winnt.h"
#include "ntgdi_private.h"
#include "ntuser_private.h"
#include "ntuser.h"
#include "wine/unixlib.h"
#include "win32syscalls.h"
ULONG_PTR zero_bits = 0;
static ULONG_PTR syscalls[] =
{
#define SYSCALL_ENTRY(id,name,args) (ULONG_PTR)name,
#ifdef _WIN64
ALL_SYSCALLS64
#else
ALL_SYSCALLS32
#endif
#undef SYSCALL_ENTRY
};
static BYTE arguments[ARRAY_SIZE(syscalls)] =
{
#define SYSCALL_ENTRY(id,name,args) args,
#ifdef _WIN64
ALL_SYSCALLS64
#else
ALL_SYSCALLS32
#endif
#undef SYSCALL_ENTRY
};
static NTSTATUS init( void *args )
{
#ifdef _WIN64
if (NtCurrentTeb()->WowTebOffset)
{
SYSTEM_BASIC_INFORMATION info;
NtQuerySystemInformation(SystemEmulationBasicInformation, &info, sizeof(info), NULL);
zero_bits = (ULONG_PTR)info.HighestUserAddress | 0x7fffffff;
}
#endif
KeAddSystemServiceTable( syscalls, NULL, ARRAY_SIZE(syscalls), arguments, 1 );
return STATUS_SUCCESS;
}
const unixlib_entry_t __wine_unix_call_funcs[] =
{
init,
};