From f4d1ce53887f112b3c2b970efe2623a611cd19df Mon Sep 17 00:00:00 2001
From: Matt Nadareski <mnadareski@outlook.com>
Date: Sat, 5 Nov 2022 15:37:25 -0700
Subject: [PATCH] Add PE CLR token definition symbol

---
 .../COFFSymbolTableEntry.cs                   | 31 +++++++++++++++++++
 .../PortableExecutable/Executable.cs          |  2 +-
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/BurnOutSharp.Models/PortableExecutable/COFFSymbolTableEntry.cs b/BurnOutSharp.Models/PortableExecutable/COFFSymbolTableEntry.cs
index 4bf76777..48d19a94 100644
--- a/BurnOutSharp.Models/PortableExecutable/COFFSymbolTableEntry.cs
+++ b/BurnOutSharp.Models/PortableExecutable/COFFSymbolTableEntry.cs
@@ -274,11 +274,42 @@ namespace BurnOutSharp.Models.PortableExecutable
         /// </summary>
         [FieldOffset(14)] public byte AuxFormat5Selection;
 
+        /// <summary>
+        /// Unused
+        /// </summary>
         [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
         [FieldOffset(15)] public byte[] AuxFormat5Unused;
 
         #endregion
 
+        #region Auxiliary Format 6: CLR Token Definition (Object Only)
+
+        // This auxiliary symbol generally follows the IMAGE_SYM_CLASS_CLR_TOKEN. It is
+        // used to associate a token with the COFF symbol table's namespace.
+
+        /// <summary>
+        /// Must be IMAGE_AUX_SYMBOL_TYPE_TOKEN_DEF (1).
+        /// </summary>
+        [FieldOffset(0)] public byte AuxFormat6AuxType;
+
+        /// <summary>
+        /// Reserved, must be zero.
+        /// </summary>
+        [FieldOffset(1)] public byte AuxFormat6Reserved1;
+
+        /// <summary>
+        /// The symbol index of the COFF symbol to which this CLR token definition refers.
+        /// </summary>
+        [FieldOffset(2)] public uint AuxFormat6SymbolTableIndex;
+
+        /// <summary>
+        /// Reserved, must be zero.
+        /// </summary>
+        [MarshalAs(UnmanagedType.ByValArray, SizeConst = 12)]
+        [FieldOffset(6)] public byte[] AuxFormat6Reserved2;
+
+        #endregion
+
         #endregion
     }
 }
diff --git a/BurnOutSharp.Models/PortableExecutable/Executable.cs b/BurnOutSharp.Models/PortableExecutable/Executable.cs
index 323e5715..8dcd1042 100644
--- a/BurnOutSharp.Models/PortableExecutable/Executable.cs
+++ b/BurnOutSharp.Models/PortableExecutable/Executable.cs
@@ -41,6 +41,6 @@ namespace BurnOutSharp.Models.PortableExecutable
         /// </summary>
         public COFFSymbolTableEntry[] COFFSymbolTable { get; set; }
 
-        // TODO: Left off at "COMDAT Sections (Object Only)"
+        // TODO: Left off at "COFF String Table"
     }
 }