ntdll: Implement RtlRestoreContext on i386.

dlls/kernel32/kernel32.spec

@@ -1313,7 +1313,7 @@
 @ stdcall RtlMoveMemory(ptr ptr long) NTDLL.RtlMoveMemory
 @ stdcall RtlPcToFileHeader(ptr ptr) NTDLL.RtlPcToFileHeader
 @ stdcall -arch=arm,arm64,x86_64 -norelay RtlRaiseException(ptr) NTDLL.RtlRaiseException
-@ cdecl -arch=arm,arm64,x86_64 -import RtlRestoreContext(ptr ptr)
+@ cdecl -import RtlRestoreContext(ptr ptr)
 @ stdcall RtlUnwind(ptr ptr ptr long) NTDLL.RtlUnwind
 @ stdcall -arch=arm,arm64,x86_64 RtlUnwindEx(long long ptr long ptr) NTDLL.RtlUnwindEx
 @ stdcall -arch=arm,arm64,x86_64 RtlVirtualUnwind(long long long ptr ptr ptr ptr ptr) NTDLL.RtlVirtualUnwind

dlls/ntdll/ntdll.spec

@@ -952,7 +952,7 @@
 @ stdcall RtlRemoveVectoredContinueHandler(ptr)
 @ stdcall RtlRemoveVectoredExceptionHandler(ptr)
 @ stdcall RtlResetRtlTranslations(ptr)
-@ cdecl -arch=arm,arm64,x86_64 RtlRestoreContext(ptr ptr)
+@ cdecl RtlRestoreContext(ptr ptr)
 @ stdcall RtlRestoreLastWin32Error(long) RtlSetLastWin32Error
 @ stub RtlRevertMemoryStream
 @ stub RtlRunDecodeUnicodeString

dlls/ntdll/signal_i386.c

@@ -359,6 +359,14 @@ __ASM_STDCALL_FUNC( RtlCaptureContext, 4,
                     __ASM_CFI(".cfi_adjust_cfa_offset -4\n\t")
                     "ret $4" )
 
+/*******************************************************************
+ *              RtlRestoreContext (NTDLL.@)
+ */
+void CDECL RtlRestoreContext( CONTEXT *context, EXCEPTION_RECORD *rec )
+{
+    TRACE( "returning to %p stack %p\n", (void *)context->Eip, (void *)context->Esp );
+    NtContinue( context, FALSE );
+}
 
 /*******************************************************************
  *		RtlUnwind (NTDLL.@)