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111 lines
3 KiB
C
111 lines
3 KiB
C
/*
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* Unix interface for Win32 syscalls
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*
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* Copyright (C) 2021 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#if 0
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#pragma makedep unix
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#endif
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#include <stdarg.h>
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winnt.h"
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#include "ntgdi_private.h"
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#include "ntuser_private.h"
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#include "ntuser.h"
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#include "wine/unixlib.h"
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#include "win32syscalls.h"
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ULONG_PTR zero_bits = 0;
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static void stub_syscall( const char *name )
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{
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CONTEXT context = { .ContextFlags = CONTEXT_FULL };
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EXCEPTION_RECORD rec =
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{
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.ExceptionCode = EXCEPTION_WINE_STUB,
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.ExceptionFlags = EXCEPTION_NONCONTINUABLE,
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.NumberParameters = 2,
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.ExceptionInformation[0] = (ULONG_PTR)"win32u",
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.ExceptionInformation[1] = (ULONG_PTR)name,
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};
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NtGetContextThread( GetCurrentThread(), &context );
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#ifdef __i386__
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rec.ExceptionAddress = (void *)context.Eip;
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#elif defined __x86_64__
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rec.ExceptionAddress = (void *)context.Rip;
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#elif defined __arm__ || defined __aarch64__
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rec.ExceptionAddress = (void *)context.Pc;
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#endif
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NtRaiseException( &rec, &context, TRUE );
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}
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#define SYSCALL_STUB(name) static void name(void) { stub_syscall( #name ); }
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ALL_SYSCALL_STUBS
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static ULONG_PTR syscalls[] =
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{
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#define SYSCALL_ENTRY(id,name,args) (ULONG_PTR)name,
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ALL_SYSCALLS
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#undef SYSCALL_ENTRY
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};
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static BYTE arguments[ARRAY_SIZE(syscalls)] =
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{
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#define SYSCALL_ENTRY(id,name,args) args,
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ALL_SYSCALLS
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#undef SYSCALL_ENTRY
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};
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static const char *syscall_names[] =
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{
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#define SYSCALL_ENTRY(id,name,args) #name,
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ALL_SYSCALLS
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#undef SYSCALL_ENTRY
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};
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static const char *usercall_names[NtUserCallCount] =
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{
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#define USER32_CALLBACK_ENTRY(name) "NtUser" #name,
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ALL_USER32_CALLBACKS
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#undef USER32_CALLBACK_ENTRY
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};
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static NTSTATUS init( void *args )
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{
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#ifdef _WIN64
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if (NtCurrentTeb()->WowTebOffset)
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{
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SYSTEM_BASIC_INFORMATION info;
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NtQuerySystemInformation(SystemEmulationBasicInformation, &info, sizeof(info), NULL);
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zero_bits = (ULONG_PTR)info.HighestUserAddress | 0x7fffffff;
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}
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#endif
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KeAddSystemServiceTable( syscalls, NULL, ARRAY_SIZE(syscalls), arguments, 1 );
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ntdll_add_syscall_debug_info( 1, syscall_names, usercall_names );
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return STATUS_SUCCESS;
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}
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const unixlib_entry_t __wine_unix_call_funcs[] =
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{
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init,
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};
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