//
//?DelayHlp.cpp
//
//??Copyright?（c）?Microsoft?Corporation.??All?rights?reserved.
//
//??Implement?the?delay?load?helper?routines.
//

//?Build?instructions
//?cl?-c?-O1?-Z7?-Zl?-W3?delayhlp.cpp
//
//?For?ISOLATION_AWARE_ENABLED?calls?to?LoadLibrary（）?you?will?need?to?add
//?a?definition?for?ISOLATION_AWARE_ENABLED?to?the?command?line?above?eg:
//?cl?-c?-O1?-Z7?-Zl?-W3?-DISOLATION_AWARE_ENABLED=1?delayhlp.cpp
//
//
//?Then?you?can?either?link?directly?with?this?new?object?file?or?replace?the?one?in
//?delayimp.lib?with?your?new?one?eg:
//?lib?/out:delayimp.lib?delayhlp.obj
//


#define?WIN32_LEAN_AND_MEAN
#define?STRICT
#include?

#include?“DelayImp.h“

#define?DLOAD_UNLOAD?1
#include?“dloadsup.h“

//
//?Local?copies?of?strlen?memcmp?and?memcpy?to?make?sure?we?do?not?need?the?CRT
//

static?inline?size_t
__strlen（const?char?*?sz）?{
????const?char?*szEnd?=?sz;

????while（?*szEnd++?）?{
????????;
????????}

????return?szEnd?-?sz?-?1;
????}

static?inline?int
__memcmp（const?void?*?pv1?const?void?*?pv2?size_t?cb）?{
????if?（!cb）?{
????????return?0;
????????}

????while?（?--cb?&&?*（char?*）pv1?==?*（char?*）pv2?）?{
????????pv1?=?（char?*）pv1?+?1;
????????pv2?=?（char?*）pv2?+?1;
????????}

????return??*（（unsigned?char?*）pv1）?-?*（（unsigned?char?*）pv2）;
????}

static?inline?void?*
__memcpy（void?*?pvDst?const?void?*?pvSrc?size_t?cb）?{

????void?*?pvRet?=?pvDst;

????//
????//?copy?from?lower?addresses?to?higher?addresses
????//
????while?（cb--）?{
????????*（char?*）pvDst?=?*（char?*）pvSrc;
????????pvDst?=?（char?*）pvDst?+?1;
????????pvSrc?=?（char?*）pvSrc?+?1;
????????}

????return?pvRet;
????}


//?utility?function?for?calculating?the?index?of?the?current?import
//?for?all?the?tables?（INT?BIAT?UIAT?and?IAT）.
inline?unsigned
IndexFromPImgThunkData（PCImgThunkData?pitdCur?PCImgThunkData?pitdbase）?{
????return?（unsigned）?（pitdCur?-?pitdbase）;
????}

//?C++?template?utility?function?for?converting?RVAs?to?pointers
//
#if?defined（_M_IA64）
#pragma?section（“.base“?long?read）
extern?“C“
__declspec（allocate（“.base“））
const?IMAGE_DOS_HEADER?__Imagebase;
#else
extern?“C“
const?IMAGE_DOS_HEADER?__Imagebase;
#endif

template?
X?PFromRva（RVA?rva）?{
????return?X（PBYTE（&__Imagebase）?+?rva）;
????}

//?utility?function?for?calculating?the?count?of?imports?given?the?base
//?of?the?IAT.??NB:?this?only?works?on?a?valid?IAT!
inline?unsigned
CountOfImports（PCImgThunkData?pitdbase）?{
????unsigned????????cRet?=?0;
????PCImgThunkData??pitd?=?pitdbase;
????while?（pitd->u1.Function）?{
????????pitd++;
????????cRet++;
????????}
????return?cRet;
????}

//?For?our?own?internal?use?we?convert?to?the?old
//?format?for?convenience.
//
struct?InternalImgDelayDescr?{
????DWORD???????????grAttrs;????????//?attributes
????LPCSTR??????????szName;?????????//?pointer?to?dll?name
????HMODULE?*???????phmod;??????????//?address?of?module?handle
????PI

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

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?????文件?????307400??2016-06-01?13:06??amp.h

?????文件?????233750??2016-06-01?13:06??amp_graphics.h

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?????文件????????601??2017-12-07?04:10??audevcod.h

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?????文件???????1339??2017-12-07?04:10??aygshell.h

............此處省略443個文件信息