.486
.model flat, stdcall
.data
	_imp__IsDebuggerPresent@0 dd IsDebuggerPresent_Helper@0
	PUBLIC _imp__IsDebuggerPresent@0

	_imp__EncodePointer@4 dd EncodePointer_Helper@4
	PUBLIC _imp__EncodePointer@4

	_imp__DecodePointer@4 dd DecodePointer_Helper@4
	PUBLIC _imp__DecodePointer@4

	_imp__IsProcessorFeaturePresent@4 dd IsProcessorFeaturePresent_Helper@4
	PUBLIC _imp__IsProcessorFeaturePresent@4

	_imp__HeapSetInformation@16 dd HeapSetInformation_Helper@16
	PUBLIC _imp__HeapSetInformation@16

	_imp__InitializeCriticalSectionAndSpinCount@8 dd InitializeCriticalSectionAndSpinCount_Helper@8
	PUBLIC _imp__InitializeCriticalSectionAndSpinCount@8

	_imp__InterlockedPushEntrySList@8 dd InterlockedPushEntrySList_Helper@8
	PUBLIC _imp__InterlockedPushEntrySList@8

	_imp__InterlockedPopEntrySList@4 dd InterlockedPopEntrySList_Helper@4
	PUBLIC _imp__InterlockedPopEntrySList@4

	_imp__InterlockedCompareExchange@12 dd InterlockedCompareExchange_Helper
	PUBLIC _imp__InterlockedCompareExchange@12

	EXTERN IsDebuggerPresent_Helper@0 : DWORD
	EXTERN EncodePointer_Helper@4 : DWORD
	EXTERN DecodePointer_Helper@4 : DWORD
	EXTERN IsProcessorFeaturePresent_Helper@4 : DWORD
	EXTERN HeapSetInformation_Helper@16 : DWORD
	EXTERN InitializeCriticalSectionAndSpinCount_Helper@8 : DWORD
	EXTERN InterlockedPushEntrySList_Helper@8 : DWORD
	EXTERN InterlockedPopEntrySList_Helper@4 : DWORD

	EXTERN _imp__InitializeCriticalSection@4 : DWORD

.code
	InterlockedCompareExchange_Helper PROC PRIVATE
		mov             ecx,[esp+4]
		mov             edx,[esp+8]
		mov             eax,[esp+12]
		lock cmpxchg    [ecx],edx
		ret             12
	InterlockedCompareExchange_Helper ENDP
end