support frame type 5

dotnet · Jun 22, 2022 · cdb3054 · cdb3054
1 parent 1b8006f
commit cdb3054
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/coreclr/jit/codegenarm64.cpp b/src/coreclr/jit/codegenarm64.cpp
@@ -1454,6 +1454,10 @@ void CodeGen::genFuncletProlog(BasicBlock* block)
 
         if (compiler->opts.IsOSR())
         {
+            // With OSR we may see large values for fiSpDelta1.
+            // We repurpose genAllocLclFram to do the necessary probing.
+            bool scratchRegIsZero = false;
+            genAllocLclFrame(-genFuncletInfo.fiSpDelta1, REG_SCRATCH, &scratchRegIsZero, maskArgRegsLiveIn);
             genStackPointerAdjustment(genFuncletInfo.fiSpDelta1, REG_SCRATCH, nullptr, /* reportUnwindData */ true);
         }
         else