[NTDLL][SDK:RTL] Implement RtlContext AVX+ Features

Author: DarkFire01

dll/ntdll/def/ntdll.spec

@@ -703,6 +703,8 @@
 @ stdcall RtlConvertToAutoInheritSecurityObject(ptr ptr ptr ptr long ptr)
 @ stdcall RtlConvertUiListToApiList(ptr ptr long)
 @ stdcall -arch=win32 -ret64 RtlConvertUlongToLargeInteger(long)
+@ stdcall -version=0x601+ RtlCopyContext(ptr long ptr)
+@ stdcall -version=0x601+ RtlCopyExtendedContext(ptr long ptr)
 @ stdcall RtlCopyLuid(ptr ptr)
 @ stdcall RtlCopyLuidAndAttributesArray(long ptr ptr)
 @ stdcall RtlCopyMappedMemory(ptr ptr long)
@@ -882,6 +884,10 @@
 @ stdcall RtlGetDaclSecurityDescriptor(ptr ptr ptr ptr)
 @ stdcall RtlGetElementGenericTable(ptr long)
 @ stdcall RtlGetElementGenericTableAvl(ptr long)
+@ stdcall -version=0x601+ RtlGetEnabledExtendedFeatures(long long)
+@ stdcall -version=0x601+ RtlGetExtendedContextLength(long ptr)
+@ stdcall -version=0xA00+ RtlGetExtendedContextLength2(long ptr int64)
+@ stdcall -version=0x601+ RtlGetExtendedFeaturesMask(ptr)
 @ stdcall -stub -version=0x600+ RtlGetFileMUIPath(long long ptr ptr long long ptr)
 @ stdcall RtlGetFrame()
 @ stdcall RtlGetFullPathName_U(wstr long ptr ptr)
@@ -947,6 +953,7 @@
 @ stdcall RtlInitializeCriticalSectionAndSpinCount(ptr long)
 @ stdcall -version=0x600+ RtlInitializeCriticalSectionEx(ptr long long)
 @ stdcall -stub -version=0x600+ -arch=i386 RtlInitializeExceptionChain(ptr)
+@ stdcall -version=0xA00+ RtlInitializeExtendedContext2(ptr long ptr int64)
 @ stdcall RtlInitializeGenericTable(ptr ptr ptr ptr ptr)
 @ stdcall RtlInitializeGenericTableAvl(ptr ptr ptr ptr ptr)
 @ stdcall RtlInitializeHandleTable(long long ptr)
@@ -1015,6 +1022,8 @@
 @ stdcall RtlLengthRequiredSid(long)
 @ stdcall RtlLengthSecurityDescriptor(ptr)
 @ stdcall RtlLengthSid(ptr)
+@ stdcall -version=0x601+ RtlLocateExtendedFeature(long long ptr)
+@ stdcall -version=0xA00+ RtlLocateExtendedFeature2(ptr long ptr ptr)
 @ stdcall RtlLocalTimeToSystemTime(ptr ptr)
 @ stdcall -version=0x600+ RtlLocaleNameToLcid(wstr ptr long)
 @ stdcall RtlLockBootStatusData(ptr)
@@ -1152,6 +1161,7 @@
 @ stdcall RtlSetEnvironmentStrings(wstr long)
 @ stdcall -stub -version=0x600+ RtlSetEnvironmentVar(ptr ptr long ptr long)
 @ stdcall RtlSetEnvironmentVariable(ptr ptr ptr)
+@ stdcall -version=0x601+ RtlSetExtendedFeaturesMask(ptr long long)
 @ stdcall RtlSetGroupSecurityDescriptor(ptr ptr long)
 @ stdcall RtlSetHeapInformation(ptr long ptr ptr)
 @ stdcall RtlSetInformationAcl(ptr ptr long long)

sdk/lib/rtl/CMakeLists.txt

@@ -93,6 +93,7 @@ list(APPEND SOURCE
     version.c
     wait.c
     workitem.c
+    xcontext.c
     rtl.h)
 
 if(ARCH STREQUAL "i386")