delayimp.h

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#ifndef _delayimp_h
#define _delayimp_h

#ifdef __GNUC__
/* Hack, for bug in ld.  Will be removed soon.  */
#define __ImageBase _image_base__
#endif

#define DELAYLOAD_VERSION 0x200

typedef DWORD RVA;
typedef IMAGE_THUNK_DATA *PImgThunkData;
typedef const IMAGE_THUNK_DATA *PCImgThunkData;

enum DLAttr
{
    dlattrRva = 0x1,
};

/* Notification codes */
enum
{
    dliStartProcessing,
    dliNotePreLoadLibrary,
    dliNotePreGetProcAddress,
    dliFailLoadLib,
    dliFailGetProc,
    dliNoteEndProcessing,
};

typedef struct ImgDelayDescr
{
    DWORD grAttrs;
    RVA rvaDLLName;
    RVA rvaHmod;
    RVA rvaIAT;
    RVA rvaINT;
    RVA rvaBoundIAT;
    RVA rvaUnloadIAT;
    DWORD dwTimeStamp; 
} ImgDelayDescr, *PImgDelayDescr;
typedef const ImgDelayDescr *PCImgDelayDescr;

typedef struct DelayLoadProc
{
    BOOL fImportByName;
    union
    {
        LPCSTR szProcName;
        DWORD dwOrdinal;
    };
} DelayLoadProc;

typedef struct DelayLoadInfo
{
    DWORD cb;
    PCImgDelayDescr pidd;
    FARPROC *ppfn;
    LPCSTR szDll;
    DelayLoadProc dlp;
    HMODULE hmodCur;
    FARPROC pfnCur;
    DWORD dwLastError;
} DelayLoadInfo, *PDelayLoadInfo;

typedef FARPROC (WINAPI *PfnDliHook)(unsigned, PDelayLoadInfo);

FORCEINLINE
unsigned
IndexFromPImgThunkData(PCImgThunkData pData, PCImgThunkData pBase)
{
    return pData - pBase;
}

extern const IMAGE_DOS_HEADER __ImageBase;

FORCEINLINE
PVOID
PFromRva(RVA rva)
{
    return (PVOID)(((ULONG_PTR)(rva)) + ((ULONG_PTR)&__ImageBase));
}


extern PfnDliHook __pfnDliNotifyHook2;
extern PfnDliHook __pfnDliFailureHook2;

#endif /* not _delayimp_h */