1 files changed, 36 insertions, 0 deletions
diff --git a/src/ILCompiler.Compiler/src/Compiler/DependencyAnalysis/IndirectionExtensions.cs b/src/ILCompiler.Compiler/src/Compiler/DependencyAnalysis/IndirectionExtensions.cs
new file mode 100644
index 000000000..9265f94f8
--- /dev/null
+++ b/src/ILCompiler.Compiler/src/Compiler/DependencyAnalysis/IndirectionExtensions.cs
@@ -0,0 +1,36 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Internal.Runtime;
+using Internal.TypeSystem;
+
+using Debug = System.Diagnostics.Debug;
+
+namespace ILCompiler.DependencyAnalysis
+{
+    static class IndirectionExtensions
+    {
+        /// <summary>
+        /// Use this api to generate a reloc to a symbol that may be an indirection cell or not as a pointer
+        /// </summary>
+        /// <param name="symbol">symbol to reference</param>
+        /// <param name="indirectionBit">value to OR in to the reloc to represent to runtime code that this pointer is an indirection. Defaults to IndirectionConstants.IndirectionCellPointer</param>
+        /// <param name="delta">Delta from symbol start for value</param>
+        public static void EmitPointerRelocOrIndirectionReference(ref this ObjectDataBuilder builder, ISymbolNode symbol, int delta = 0, int indirectionBit = IndirectionConstants.IndirectionCellPointer)
+        {
+            if (symbol.RepresentsIndirectionCell)
+                delta |= indirectionBit;
+
+            builder.EmitReloc(symbol, (builder.TargetPointerSize == 8) ? RelocType.IMAGE_REL_BASED_DIR64 : RelocType.IMAGE_REL_BASED_HIGHLOW, delta);
+        }
+
+        public static void EmitRelativeRelocOrIndirectionReference(ref this ObjectDataBuilder builder, ISymbolNode symbol, int delta = 0, int indirectionBit = IndirectionConstants.IndirectionCellPointer)
+        {
+            if (symbol.RepresentsIndirectionCell)
+                delta = delta | indirectionBit;
+
+            builder.EmitReloc(symbol, RelocType.IMAGE_REL_BASED_RELPTR32, delta);
+        }
+    }
+}