修复$$Obfuz$RVA$的所有rva字段累计长度超出16k引发的在hybridclr下运行出错的问题。此问题是hybridclr的bug，因为ldslfd之类指令要求offset小于16k。

Editor/Data/RvaDataAllocator.cs

@@ -4,6 +4,7 @@ using Obfuz.Emit;
 using Obfuz.Utils;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Runtime.InteropServices;
 using System.Text;
 using UnityEngine.Assertions;
@@ -26,8 +27,10 @@ namespace Obfuz.Data
 
     public class RvaDataAllocator : GroupByModuleEntityBase
     {
-        // randomized
+        const int maxRvaDataSize = 2 * 1024;
-        const int maxRvaDataSize = 0x1000;
+
+        // in HybridCLR version below 8.3.0, the max total static field size of a type is 16KB, so we limit the total size of RVA data to 16KB
+        const int maxTotalRvaDataFieldSizeInHybridCLR = 16 * 1024;
 
         private IRandom _random;
 
@@ -58,11 +61,23 @@ namespace Obfuz.Data
             }
         }
 
-        private readonly List<RvaField> _rvaFields = new List<RvaField>();
+        private class RvaTypeDefInfo
+        {
+            public readonly TypeDef typeDef;
+            public readonly int index;
+            public readonly List<RvaField> rvaFields = new List<RvaField>();
+
+            public RvaTypeDefInfo(TypeDef typeDef, int index)
+            {
+                this.typeDef = typeDef;
+                this.index = index;
+            }
+        }
+
         private RvaField _currentField;
 
-
+        private RvaTypeDefInfo _currentRvaType;
-        private TypeDef _rvaTypeDef;
+        private readonly List<RvaTypeDefInfo> _rvaTypeDefs = new List<RvaTypeDefInfo>();
 
         private readonly Dictionary<int, TypeDef> _dataHolderTypeBySizes = new Dictionary<int, TypeDef>();
         private bool _done;
@@ -78,27 +93,28 @@ namespace Obfuz.Data
 
         private (FieldDef, FieldDef) CreateDataHolderRvaField(TypeDef dataHolderType)
         {
-            if (_rvaTypeDef == null)
+            if (_currentRvaType == null || _currentRvaType.rvaFields.Count >= maxTotalRvaDataFieldSizeInHybridCLR / maxRvaDataSize - 1)
             {
                 using (var scope = new DisableTypeDefFindCacheScope(Module))
                 {
-                    _rvaTypeDef = new TypeDefUser("$Obfuz$RVA$", Module.CorLibTypes.Object.ToTypeDefOrRef());
+                    var rvaTypeDef = new TypeDefUser($"$Obfuz$RVA${_rvaTypeDefs.Count}", Module.CorLibTypes.Object.ToTypeDefOrRef());
-                    Module.Types.Add(_rvaTypeDef);
+                    Module.Types.Add(rvaTypeDef);
+                    _currentRvaType = new RvaTypeDefInfo(rvaTypeDef, _rvaTypeDefs.Count);
+                    _rvaTypeDefs.Add(_currentRvaType);
                 }
             }
 
+            var holderField = new FieldDefUser($"$RVA_Data{_currentRvaType.rvaFields.Count}", new FieldSig(dataHolderType.ToTypeSig()), FieldAttributes.InitOnly | FieldAttributes.Static | FieldAttributes.HasFieldRVA);
+            holderField.DeclaringType = _currentRvaType.typeDef;
 
-            var holderField = new FieldDefUser($"$RVA_Data{_rvaFields.Count}", new FieldSig(dataHolderType.ToTypeSig()), FieldAttributes.InitOnly | FieldAttributes.Static | FieldAttributes.HasFieldRVA);
+            var runtimeValueField = new FieldDefUser($"$RVA_Value{_currentRvaType.rvaFields.Count}", new FieldSig(new SZArraySig(Module.CorLibTypes.Byte)), FieldAttributes.Static | FieldAttributes.Public);
-            holderField.DeclaringType = _rvaTypeDef;
+            runtimeValueField.DeclaringType = _currentRvaType.typeDef;
-
-            var runtimeValueField = new FieldDefUser($"$RVA_Value{_rvaFields.Count}", new FieldSig(new SZArraySig(Module.CorLibTypes.Byte)), FieldAttributes.Static | FieldAttributes.Public);
-            runtimeValueField.DeclaringType = _rvaTypeDef;
             return (holderField, runtimeValueField);
         }
 
         private TypeDef GetDataHolderType(int size)
         {
-            size = (size + 15) & ~15; // align to 6 bytes
+            size = (size + 15) & ~15; // align to 16 bytes
             if (_dataHolderTypeBySizes.TryGetValue(size, out var type))
                 return type;
 
@@ -133,7 +149,7 @@ namespace Obfuz.Data
                 encryptionOps = _random.NextInt(),
                 salt = _random.NextInt(),
             };
-            _rvaFields.Add(newRvaField);
+            _currentRvaType.rvaFields.Add(newRvaField);
             return newRvaField;
         }
 
@@ -238,16 +254,14 @@ namespace Obfuz.Data
 
         private void CreateCCtorOfRvaTypeDef()
         {
-            if (_rvaTypeDef == null)
+            foreach (RvaTypeDefInfo rvaTypeDef in _rvaTypeDefs)
             {
-                return;
+                ModuleDef mod = rvaTypeDef.typeDef.Module;
-            }
-            ModuleDef mod = _rvaTypeDef.Module;
                 var cctorMethod = new MethodDefUser(".cctor",
                     MethodSig.CreateStatic(Module.CorLibTypes.Void),
                     MethodImplAttributes.IL | MethodImplAttributes.Managed,
                     MethodAttributes.Static | MethodAttributes.HideBySig | MethodAttributes.SpecialName | MethodAttributes.RTSpecialName | MethodAttributes.Private);
-            cctorMethod.DeclaringType = _rvaTypeDef;
+                cctorMethod.DeclaringType = rvaTypeDef.typeDef;
                 //_rvaTypeDef.Methods.Add(cctor);
                 var body = new CilBody();
                 cctorMethod.Body = body;
@@ -255,7 +269,7 @@ namespace Obfuz.Data
 
                 DefaultMetadataImporter importer = this.GetDefaultModuleMetadataImporter();
                 AddVerifyCodes(ins, importer);
-            foreach (var field in _rvaFields)
+                foreach (var field in rvaTypeDef.rvaFields)
                 {
                     // ldc
                     // newarr
@@ -279,10 +293,11 @@ namespace Obfuz.Data
                 }
                 ins.Add(Instruction.Create(OpCodes.Ret));
             }
+        }
 
         private void SetFieldsRVA()
         {
-            foreach (var field in _rvaFields)
+            foreach (var field in _rvaTypeDefs.SelectMany(t => t.rvaFields))
             {
                 Assert.IsTrue(field.bytes.Count <= field.size);
                 if (field.bytes.Count < field.size)

Editor/ObfusPasses/ConstEncrypt/DefaultConstEncryptor.cs

@@ -281,7 +281,7 @@ namespace Obfuz.ObfusPasses.ConstEncrypt
                 fieldDef.InitialValue = encryptedBytes;
                 byte[] decryptedBytes = (byte[])encryptedBytes.Clone();
                 encryptionScope.encryptor.DecryptBlock(decryptedBytes, ops, salt);
-                Assert.AreEqual(originalBytes, decryptedBytes, "Decrypted bytes should match the original bytes after encryption and decryption.");
+                AssertUtil.AreArrayEqual(originalBytes, decryptedBytes, "Decrypted bytes should match the original bytes after encryption and decryption.");
             }
             return encryptedRvaData;
         }

Editor/Utils/AssemblyCache.cs

@@ -4,6 +4,7 @@ using System.IO;
 
 namespace Obfuz.Utils
 {
+
     public class AssemblyCache
     {
         private readonly IAssemblyResolver _assemblyPathResolver;

Editor/Utils/AssertUtil.cs

@@ -0,0 +1,28 @@
+using UnityEngine.Assertions;
+
+namespace Obfuz.Utils
+{
+    public static class AssertUtil
+    {
+        private static bool IsArrayEqual(byte[] a, byte[] b)
+        {
+            if (a.Length != b.Length)
+            {
+                return false;
+            }
+            for (int i = 0; i < a.Length; i++)
+            {
+                if (a[i] != b[i])
+                {
+                    return false;
+                }
+            }
+            return true;
+        }
+
+        public static void AreArrayEqual(byte[] expected, byte[] actual, string message)
+        {
+            Assert.IsTrue(IsArrayEqual(expected, actual), message);
+        }
+    }
+}

Editor/Utils/AssertUtil.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: aba0c82c527b6494ab5c9c67c25656ed
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: