include: Remove context definitions for obsolete platforms.

dlls/kernelbase/memory.c

@@ -1430,7 +1430,7 @@ BOOL WINAPI GetXStateFeaturesMask( CONTEXT *context, DWORD64 *feature_mask )
  */
 void * WINAPI LocateXStateFeature( CONTEXT *context, DWORD feature_id, DWORD *length )
 {
-    if (!(context->ContextFlags & CONTEXT_X86))
+    if (!(context->ContextFlags & CONTEXT_i386))
         return NULL;
 
     if (feature_id >= 2)
@@ -1456,7 +1456,7 @@ void * WINAPI LocateXStateFeature( CONTEXT *context, DWORD feature_id, DWORD *le
  */
 BOOL WINAPI SetXStateFeaturesMask( CONTEXT *context, DWORD64 feature_mask )
 {
-    if (!(context->ContextFlags & CONTEXT_X86))
+    if (!(context->ContextFlags & CONTEXT_i386))
         return FALSE;
 
     if (feature_mask & 0x3)
@@ -1474,7 +1474,7 @@ BOOL WINAPI SetXStateFeaturesMask( CONTEXT *context, DWORD64 feature_mask )
  */
 BOOL WINAPI GetXStateFeaturesMask( CONTEXT *context, DWORD64 *feature_mask )
 {
-    if (!(context->ContextFlags & CONTEXT_X86))
+    if (!(context->ContextFlags & CONTEXT_i386))
         return FALSE;
 
     *feature_mask = (context->ContextFlags & CONTEXT_EXTENDED_REGISTERS) == CONTEXT_EXTENDED_REGISTERS

include/winternl.h

@@ -4221,12 +4221,6 @@ NTSYSAPI NTSTATUS  WINAPI RtlUnicodeToUTF8N(LPSTR,DWORD,LPDWORD,LPCWSTR,DWORD);
 NTSYSAPI ULONG     WINAPI RtlUniform(PULONG);
 NTSYSAPI BOOLEAN   WINAPI RtlUnlockHeap(HANDLE);
 NTSYSAPI void      WINAPI RtlUnwind(PVOID,PVOID,PEXCEPTION_RECORD,PVOID);
-#ifdef __x86_64__
-NTSYSAPI void      WINAPI RtlUnwindEx(PVOID,PVOID,PEXCEPTION_RECORD,PVOID,PCONTEXT,PUNWIND_HISTORY_TABLE);
-#elif defined(__ia64__)
-NTSYSAPI void      WINAPI RtlUnwind2(FRAME_POINTERS,PVOID,PEXCEPTION_RECORD,PVOID,PCONTEXT);
-NTSYSAPI void      WINAPI RtlUnwindEx(FRAME_POINTERS,PVOID,PEXCEPTION_RECORD,PVOID,PCONTEXT,PUNWIND_HISTORY_TABLE);
-#endif
 NTSYSAPI WCHAR     WINAPI RtlUpcaseUnicodeChar(WCHAR);
 NTSYSAPI NTSTATUS  WINAPI RtlUpcaseUnicodeString(UNICODE_STRING*,const UNICODE_STRING *,BOOLEAN);
 NTSYSAPI NTSTATUS  WINAPI RtlUpcaseUnicodeStringToAnsiString(STRING*,const UNICODE_STRING*,BOOLEAN);