[cDAC] implement GetMethodDescTransparencyData and GetMethodTableTransparencyData (#118963)

* implement GetMethodDescTransparencyData
* implement GetMethodTableTransparencyData

Author: max-charlamb

src/native/managed/cdac/mscordaccore_universal/Legacy/ISOSDacInterface.cs

@@ -243,6 +243,20 @@ internal struct DacpMethodDescData
 
 }
 
+internal struct DacpMethodDescTransparencyData
+{
+    public int bHasCriticalTransparentInfo;
+    public int bIsCritical;
+    public int bIsTreatAsSafe;
+}
+
+internal struct DacpMethodTableTransparencyData
+{
+    public int bHasCriticalTransparentInfo;
+    public int bIsCritical;
+    public int bIsTreatAsSafe;
+}
+
 [GeneratedComInterface]
 [Guid("436f00f2-b42a-4b9f-870c-e73db66ae930")]
 internal unsafe partial interface ISOSDacInterface
@@ -306,7 +320,7 @@ internal unsafe partial interface ISOSDacInterface
     [PreserveSig]
     int GetMethodDescFromToken(ClrDataAddress moduleAddr, /*mdToken*/ uint token, ClrDataAddress* methodDesc);
     [PreserveSig]
-    int GetMethodDescTransparencyData(ClrDataAddress methodDesc, /*struct DacpMethodDescTransparencyData*/ void* data);
+    int GetMethodDescTransparencyData(ClrDataAddress methodDesc, DacpMethodDescTransparencyData* data);
 
     // JIT Data
     [PreserveSig]
@@ -344,7 +358,7 @@ internal unsafe partial interface ISOSDacInterface
     [PreserveSig]
     int GetMethodTableFieldData(ClrDataAddress mt, DacpMethodTableFieldData* data);
     [PreserveSig]
-    int GetMethodTableTransparencyData(ClrDataAddress mt, /*struct DacpMethodTableTransparencyData*/ void* data);
+    int GetMethodTableTransparencyData(ClrDataAddress mt, DacpMethodTableTransparencyData* data);
 
     // EEClass
     [PreserveSig]

src/native/managed/cdac/mscordaccore_universal/Legacy/SOSDacImpl.cs

@@ -1308,8 +1308,28 @@ int ISOSDacInterface.GetMethodDescPtrFromIP(ClrDataAddress ip, ClrDataAddress* p
         return hr;
     }
 
-    int ISOSDacInterface.GetMethodDescTransparencyData(ClrDataAddress methodDesc, void* data)
-        => _legacyImpl is not null ? _legacyImpl.GetMethodDescTransparencyData(methodDesc, data) : HResults.E_NOTIMPL;
+    int ISOSDacInterface.GetMethodDescTransparencyData(ClrDataAddress methodDesc, DacpMethodDescTransparencyData* data)
+    {
+        int hr = HResults.S_OK;
+        try
+        {
+            if (methodDesc == 0 || data is null)
+                throw new ArgumentException();
+
+            // Called for validation
+            _target.Contracts.RuntimeTypeSystem.GetMethodDescHandle(methodDesc.ToTargetPointer(_target));
+
+            // Zero memory
+            *data = default;
+        }
+        catch (System.Exception ex)
+        {
+            hr = ex.HResult;
+        }
+
+        return hr;
+    }
+
     int ISOSDacInterface.GetMethodTableData(ClrDataAddress mt, DacpMethodTableData* data)
     {
         if (mt == 0 || data == null)
@@ -1522,8 +1542,29 @@ int ISOSDacInterface.GetMethodTableName(ClrDataAddress mt, uint count, char* mtN
 
     int ISOSDacInterface.GetMethodTableSlot(ClrDataAddress mt, uint slot, ClrDataAddress* value)
         => _legacyImpl is not null ? _legacyImpl.GetMethodTableSlot(mt, slot, value) : HResults.E_NOTIMPL;
-    int ISOSDacInterface.GetMethodTableTransparencyData(ClrDataAddress mt, void* data)
-        => _legacyImpl is not null ? _legacyImpl.GetMethodTableTransparencyData(mt, data) : HResults.E_NOTIMPL;
+
+    int ISOSDacInterface.GetMethodTableTransparencyData(ClrDataAddress mt, DacpMethodTableTransparencyData* data)
+    {
+        int hr = HResults.S_OK;
+        try
+        {
+            if (mt == 0 || data is null)
+                throw new ArgumentException();
+
+            // Called for validation
+            _target.Contracts.RuntimeTypeSystem.GetTypeHandle(mt.ToTargetPointer(_target));
+
+            // Zero memory
+            *data = default;
+        }
+        catch (System.Exception ex)
+        {
+            hr = ex.HResult;
+        }
+
+        return hr;
+    }
+
     int ISOSDacInterface.GetModule(ClrDataAddress addr, out IXCLRDataModule? mod)
     {
         mod = default;