wine/dlls/winecrt0/delay_load.c

47 lines
1.8 KiB
C

/*
* Support for delayed imports
*
* Copyright 2005 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 "windef.h"
#include "winbase.h"
#include "delayloadhandler.h"
WINBASEAPI void *WINAPI DelayLoadFailureHook( LPCSTR name, LPCSTR function );
WINBASEAPI void *WINAPI ResolveDelayLoadedAPI( void* base, const IMAGE_DELAYLOAD_DESCRIPTOR* desc,
PDELAYLOAD_FAILURE_DLL_CALLBACK dllhook,
PDELAYLOAD_FAILURE_SYSTEM_ROUTINE syshook,
IMAGE_THUNK_DATA* addr, ULONG flags );
static inline void *image_base(void)
{
#ifdef __WINE_PE_BUILD
extern IMAGE_DOS_HEADER __ImageBase;
return (void *)&__ImageBase;
#else
extern IMAGE_NT_HEADERS __wine_spec_nt_header;
return (void *)((__wine_spec_nt_header.OptionalHeader.ImageBase + 0xffff) & ~0xffff);
#endif
}
FARPROC WINAPI __delayLoadHelper2( const IMAGE_DELAYLOAD_DESCRIPTOR *descr, IMAGE_THUNK_DATA *addr )
{
return ResolveDelayLoadedAPI( image_base(), descr, NULL, DelayLoadFailureHook, addr, 0 );
}