diff --git a/sdk/lib/rtl/amd64/unwind.c b/sdk/lib/rtl/amd64/unwind.c
index 1412cb1bcaa..3d18eabda2f 100644
--- a/sdk/lib/rtl/amd64/unwind.c
+++ b/sdk/lib/rtl/amd64/unwind.c
@@ -1135,6 +1135,43 @@ RtlpCaptureNonVolatileContextPointers(
     ASSERT(EstablisherFrame >= TargetFrame);
 }
 
+VOID
+RtlGetUnwindContext(
+    _Out_ PCONTEXT Context,
+    _In_ DWORD64 TargetFrame)
+{
+    KNONVOLATILE_CONTEXT_POINTERS ContextPointers;
+    ULONG ContextFlags = Context->ContextFlags & ~CONTEXT_AMD64;
+
+    /* Capture pointers to the non-volatiles up to the target frame */
+    RtlpCaptureNonVolatileContextPointers(&ContextPointers, TargetFrame);
+
+    /* Copy the nonvolatiles from the captured locations */
+    if (ContextFlags & CONTEXT_INTEGER)
+    {
+        Context->Rbx = *ContextPointers.Rbx;
+        Context->Rsi = *ContextPointers.Rsi;
+        Context->Rdi = *ContextPointers.Rdi;
+        Context->R12 = *ContextPointers.R12;
+        Context->R13 = *ContextPointers.R13;
+        Context->R14 = *ContextPointers.R14;
+        Context->R15 = *ContextPointers.R15;
+    }
+    if (ContextFlags & CONTEXT_FLOATING_POINT)
+    {
+        Context->Xmm6 = *ContextPointers.Xmm6;
+        Context->Xmm7 = *ContextPointers.Xmm7;
+        Context->Xmm8 = *ContextPointers.Xmm8;
+        Context->Xmm9 = *ContextPointers.Xmm9;
+        Context->Xmm10 = *ContextPointers.Xmm10;
+        Context->Xmm11 = *ContextPointers.Xmm11;
+        Context->Xmm12 = *ContextPointers.Xmm12;
+        Context->Xmm13 = *ContextPointers.Xmm13;
+        Context->Xmm14 = *ContextPointers.Xmm14;
+        Context->Xmm15 = *ContextPointers.Xmm15;
+    }
+}
+
 VOID
 RtlSetUnwindContext(
     _In_ PCONTEXT Context,