Commit 33e99ce5 authored by Alexandre Julliard's avatar Alexandre Julliard

win32u: Add the infrastructure for building the syscall table.

With a simple NtGdiFlush() export as example. Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent 2781af45
MODULE = win32u.dll
IMPORTS = ntdll winecrt0
EXTRALIBS = -Wl,--subsystem,unixlib
EXTRADLLFLAGS = -nodefaultlibs -mno-cygwin -Wb,--syscall-table,1
C_SRCS = \
main.c \
syscall.c
/*
* Win32u kernel interface
*
* Copyright 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
*/
#include <stdarg.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winnt.h"
#include "winternl.h"
#include "wine/exception.h"
#include "wine/unixlib.h"
extern void *__wine_syscall_dispatcher DECLSPEC_HIDDEN;
static unixlib_handle_t win32u_handle;
void __cdecl __wine_spec_unimplemented_stub( const char *module, const char *function )
{
EXCEPTION_RECORD record;
record.ExceptionCode = EXCEPTION_WINE_STUB;
record.ExceptionFlags = EH_NONCONTINUABLE;
record.ExceptionRecord = NULL;
record.ExceptionAddress = __wine_spec_unimplemented_stub;
record.NumberParameters = 2;
record.ExceptionInformation[0] = (ULONG_PTR)module;
record.ExceptionInformation[1] = (ULONG_PTR)function;
for (;;) RtlRaiseException( &record );
}
BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, void *reserved )
{
switch (reason)
{
case DLL_PROCESS_ATTACH:
LdrDisableThreadCalloutsForDll( inst );
if (__wine_syscall_dispatcher) break; /* already set through Wow64Transition */
if (!NtQueryVirtualMemory( GetCurrentProcess(), inst, MemoryWineUnixFuncs,
&win32u_handle, sizeof(win32u_handle), NULL ))
{
__wine_unix_call( win32u_handle, 0, &__wine_syscall_dispatcher );
}
break;
}
return TRUE;
}
/*
* 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 "winternl.h"
#include "wine/unixlib.h"
/***********************************************************************
* NtGdiFlush (win32u.@)
*/
BOOL WINAPI NtGdiFlush(void)
{
return TRUE;
}
static void * const syscalls[] =
{
NtGdiFlush,
};
static BYTE arguments[ARRAY_SIZE(syscalls)];
static SYSTEM_SERVICE_TABLE syscall_table =
{
(ULONG_PTR *)syscalls,
0,
ARRAY_SIZE(syscalls),
arguments
};
static NTSTATUS init( void *dispatcher )
{
return ntdll_init_syscalls( 1, &syscall_table, dispatcher );
}
unixlib_entry_t __wine_unix_call_funcs[] = { init };
@ extern -arch=win32 Wow64Transition __wine_syscall_dispatcher
@ stub NtBindCompositionSurface
@ stub NtCloseCompositionInputSink
@ stub NtCompositionInputThread
......@@ -435,7 +436,7 @@
@ stub NtGdiFillPath
@ stub NtGdiFillRgn
@ stub NtGdiFlattenPath
@ stub NtGdiFlush
@ stdcall -syscall NtGdiFlush()
@ stub NtGdiFontIsLinked
@ stub NtGdiForceUFIMapping
@ stub NtGdiFrameRgn
......
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