1 files changed, 139 insertions, 0 deletions
diff --git a/src/debug/inc/readonlydatatargetfacade.inl b/src/debug/inc/readonlydatatargetfacade.inl
new file mode 100644
index 0000000000..df7e1d0e75
--- /dev/null
+++ b/src/debug/inc/readonlydatatargetfacade.inl
@@ -0,0 +1,139 @@
+// 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.
+//*****************************************************************************
+// File: ReadOnlyDataTargetFacade.inl
+// 
+
+//
+//*****************************************************************************
+
+
+//---------------------------------------------------------------------------------------
+//
+// Ctor for ReadOnlyDataTargetFacade. Just initializes ref count to 0.
+//
+//---------------------------------------------------------------------------------------
+ReadOnlyDataTargetFacade::ReadOnlyDataTargetFacade()
+    : m_ref(0)
+{
+}
+
+// Standard impl of IUnknown::QueryInterface
+HRESULT STDMETHODCALLTYPE
+ReadOnlyDataTargetFacade::QueryInterface(
+    REFIID InterfaceId,
+    PVOID* pInterface
+    )
+{
+    if (InterfaceId == IID_IUnknown)
+    {
+        *pInterface = static_cast<IUnknown *>(static_cast<ICorDebugDataTarget *>(this));
+    }
+    else if (InterfaceId == IID_ICorDebugDataTarget)
+    {
+        *pInterface = static_cast<ICorDebugDataTarget *>(this);
+    }
+    else if (InterfaceId == IID_ICorDebugMutableDataTarget)
+    {
+        *pInterface = static_cast<ICorDebugMutableDataTarget *>(this);
+    }
+    else
+    {
+        *pInterface = NULL;
+        return E_NOINTERFACE;
+    }
+
+    AddRef();
+    return S_OK;
+}
+
+// Standard impl of IUnknown::AddRef
+ULONG STDMETHODCALLTYPE 
+ReadOnlyDataTargetFacade::AddRef()
+{
+    SUPPORTS_DAC;
+    LONG ref = InterlockedIncrement(&m_ref);    
+    return ref;
+}
+
+// Standard impl of IUnknown::Release
+ULONG STDMETHODCALLTYPE 
+ReadOnlyDataTargetFacade::Release()
+{    
+    SUPPORTS_DAC;
+    LONG ref = InterlockedDecrement(&m_ref);
+    if (ref == 0)
+    {
+        delete this;
+    }
+    return ref;
+}
+
+// impl of interface method ICorDebugDataTarget::GetPlatform
+HRESULT STDMETHODCALLTYPE
+ReadOnlyDataTargetFacade::GetPlatform( 
+        CorDebugPlatform *pPlatform)
+{
+    SUPPORTS_DAC;
+    _ASSERTE_MSG(false, "Unexpected call to read-API on read-only DataTarget facade");
+    return E_UNEXPECTED;
+}
+
+// impl of interface method ICorDebugDataTarget::ReadVirtual
+HRESULT STDMETHODCALLTYPE
+ReadOnlyDataTargetFacade::ReadVirtual( 
+    CORDB_ADDRESS address,
+    PBYTE pBuffer,
+    ULONG32 cbRequestSize,
+    ULONG32 *pcbRead)
+{
+    SUPPORTS_DAC;
+    _ASSERTE_MSG(false, "Unexpected call to read-API on read-only DataTarget facade");
+    return E_UNEXPECTED;
+}
+
+// impl of interface method ICorDebugDataTarget::GetThreadContext
+HRESULT STDMETHODCALLTYPE
+ReadOnlyDataTargetFacade::GetThreadContext(
+    DWORD dwThreadID,
+    ULONG32 contextFlags,
+    ULONG32 contextSize,
+    BYTE *  pContext)
+{
+    SUPPORTS_DAC;
+    _ASSERTE_MSG(false, "Unexpected call to read-API on read-only DataTarget facade");
+    return E_UNEXPECTED;
+}
+
+// impl of interface method ICorDebugMutableDataTarget::WriteVirtual
+HRESULT STDMETHODCALLTYPE
+ReadOnlyDataTargetFacade::WriteVirtual( 
+    CORDB_ADDRESS pAddress,
+    const BYTE * pBuffer,
+    ULONG32 cbRequestSize)
+{
+    SUPPORTS_DAC;
+    return CORDBG_E_TARGET_READONLY;
+}
+
+// impl of interface method ICorDebugMutableDataTarget::SetThreadContext
+HRESULT STDMETHODCALLTYPE
+ReadOnlyDataTargetFacade::SetThreadContext(
+    DWORD dwThreadID,
+    ULONG32 contextSize,
+    const BYTE * pContext)
+{
+    SUPPORTS_DAC;
+    return CORDBG_E_TARGET_READONLY;
+}
+
+// Public implementation of ICorDebugMutableDataTarget::ContinueStatusChanged
+HRESULT STDMETHODCALLTYPE
+ReadOnlyDataTargetFacade::ContinueStatusChanged(
+    DWORD dwThreadId,
+    CORDB_CONTINUE_STATUS dwContinueStatus)
+{
+    SUPPORTS_DAC;
+    return CORDBG_E_TARGET_READONLY;
+}