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61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/*
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* Support for the Unix part of builtin dlls
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*
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* Copyright 2019 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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#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 "winbase.h"
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#include "winternl.h"
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#include "wine/unixlib.h"
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static inline void *image_base(void)
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{
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#ifdef __WINE_PE_BUILD
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extern IMAGE_DOS_HEADER __ImageBase;
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return (void *)&__ImageBase;
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#else
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extern IMAGE_NT_HEADERS __wine_spec_nt_header;
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return (void *)((__wine_spec_nt_header.OptionalHeader.ImageBase + 0xffff) & ~0xffff);
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#endif
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}
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static NTSTATUS WINAPI unix_call_fallback( unixlib_handle_t handle, unsigned int code, void *args )
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{
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return STATUS_DLL_NOT_FOUND;
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}
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unixlib_handle_t __wine_unixlib_handle = 0;
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NTSTATUS (WINAPI *__wine_unix_call_dispatcher)( unixlib_handle_t, unsigned int, void * ) = unix_call_fallback;
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NTSTATUS WINAPI __wine_init_unix_call(void)
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{
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NTSTATUS status;
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HMODULE module = GetModuleHandleW( L"ntdll.dll" );
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void **p__wine_unix_call_dispatcher = (void **)GetProcAddress( module, "__wine_unix_call_dispatcher" );
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if (!p__wine_unix_call_dispatcher) return STATUS_DLL_NOT_FOUND;
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status = NtQueryVirtualMemory( GetCurrentProcess(), image_base(), MemoryWineUnixFuncs,
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&__wine_unixlib_handle, sizeof(__wine_unixlib_handle), NULL );
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if (!status) __wine_unix_call_dispatcher = *p__wine_unix_call_dispatcher;
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return status;
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}
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