C++: Output Il2CppClass* (TypeInfo) pointers

Il2CppInspector.Common/FileFormatReaders/FileFormatReader.cs

@@ -25,7 +25,8 @@ namespace Il2CppInspector
         string Format { get; }
         string Arch { get; }
         int Bits { get; }
-        ulong GlobalOffset { get; }
+        ulong GlobalOffset { get; } // The virtual address where the code section (.text) would be loaded in memory
+        ulong ImageBase { get; } // The virtual address of where the image would be loaded in memory (same as GlobalOffset except for PE)
         Dictionary<string, ulong> GetSymbolTable();
         uint[] GetFunctionTable();
         IEnumerable<Export> GetExports();
@@ -87,6 +88,8 @@ namespace Il2CppInspector
 
         public ulong GlobalOffset { get; protected set; }
 
+        public virtual ulong ImageBase => GlobalOffset;
+
         public virtual string Format => throw new NotImplementedException();
 
         public virtual string Arch => throw new NotImplementedException();

Il2CppInspector.Common/FileFormatReaders/PEReader.cs

@@ -40,6 +40,8 @@ namespace Il2CppInspector
         // Could also use coff.Characteristics (IMAGE_FILE_32BIT_MACHINE) or coff.Machine
         public override int Bits => (PE) pe.Magic == PE.IMAGE_NT_OPTIONAL_HDR64_MAGIC ? 64 : 32;
 
+        public override ulong ImageBase => pe.ImageBase;
+
         protected override bool Init() {
             // Check for MZ signature "MZ"
             if (ReadUInt16() != 0x5A4D)

Il2CppInspector.Common/Outputs/CppScaffolding.cs

@@ -61,7 +61,22 @@ namespace Il2CppInspector.Outputs
             var exportRgx = new Regex(@"^_+");
 
             foreach (var export in exports) {
-                writeCode($"#define {exportRgx.Replace(export.Name, "")}_ptr 0x{model.Package.BinaryImage.MapVATR(export.VirtualAddress):x8}");
+                writeCode($"#define {exportRgx.Replace(export.Name, "")}_ptr 0x{model.Package.BinaryImage.MapVATR(export.VirtualAddress):X8}");
+            }
+
+            writer.Close();
+
+            // Write application type definition addresses to il2cpp-type-ptr.h
+            var il2cppTypeInfoFile = Path.Combine(outputPath, "il2cpp-type-ptr.h");
+
+            using var fs3 = new FileStream(il2cppTypeInfoFile, FileMode.Create);
+            writer = new StreamWriter(fs3, Encoding.UTF8);
+
+            writeHeader();
+            writeSectionHeader("IL2CPP application-specific type definition addresses");
+
+            foreach (var type in model.Types.Values.Where(t => t.TypeClassAddress != 0xffffffff_ffffffff)) {
+                writeCode($"DO_TYPEDEF(0x{type.TypeClassAddress - model.Package.BinaryImage.ImageBase:X8}, {type.Name});");
             }
 
             writer.Close();