1 files changed, 163 insertions, 0 deletions
diff --git a/src/debug/ildbsymlib/symbinder.cpp b/src/debug/ildbsymlib/symbinder.cpp
new file mode 100644
index 0000000000..d3cf1c647b
--- /dev/null
+++ b/src/debug/ildbsymlib/symbinder.cpp
@@ -0,0 +1,163 @@
+// 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: symbinder.cpp
+//
+
+// ===========================================================================
+
+#include "pch.h"
+#include "symbinder.h"
+
+/* ------------------------------------------------------------------------- *
+ * SymBinder class
+ * ------------------------------------------------------------------------- */
+
+HRESULT
+SymBinder::QueryInterface(
+    REFIID riid,
+    void **ppvObject
+    )
+{
+    HRESULT hr = S_OK;
+
+    _ASSERTE(IsValidIID(riid));
+    _ASSERTE(IsValidWritePtr(ppvObject, void*));
+
+    IfFalseGo( ppvObject, E_INVALIDARG );
+
+    if (riid == IID_ISymUnmanagedBinder)
+    {
+        *ppvObject = (ISymUnmanagedBinder*) this;
+    }
+    else if (riid == IID_ISymUnmanagedBinder2)
+    {
+        *ppvObject = (ISymUnmanagedBinder2*) this;
+    }
+    else if (riid == IID_IUnknown)
+    {
+        *ppvObject = (IUnknown*)this;
+    }
+    else
+    {
+        *ppvObject = NULL;
+        hr = E_NOINTERFACE;
+    }
+
+    if (*ppvObject)
+    {
+        AddRef();
+    }
+
+ErrExit:
+    
+    return hr;
+}
+
+HRESULT
+SymBinder::NewSymBinder(
+    REFCLSID clsid,
+    void** ppObj
+    )
+{
+    HRESULT hr = S_OK;
+    SymBinder* pSymBinder = NULL;
+
+    _ASSERTE(IsValidCLSID(clsid));
+    _ASSERTE(IsValidWritePtr(ppObj, IUnknown*));
+
+    if (clsid != IID_ISymUnmanagedBinder)
+        return (E_UNEXPECTED);
+
+    IfFalseGo( ppObj, E_INVALIDARG );
+    
+    *ppObj = NULL;
+    
+    IfNullGo( pSymBinder = NEW(SymBinder()) );
+    *ppObj = pSymBinder;
+    pSymBinder->AddRef();
+    pSymBinder = NULL;
+    
+ErrExit:
+
+    RELEASE( pSymBinder );
+    
+    return hr;
+}
+
+//-----------------------------------------------------------
+// GetReaderForFile
+//-----------------------------------------------------------
+HRESULT
+SymBinder::GetReaderForFile(
+    IUnknown *importer,             // IMetaDataImporter
+    const WCHAR *fileName,          // File we're looking symbols for
+    const WCHAR *searchPath,        // Search path for file
+    ISymUnmanagedReader **ppRetVal) // Out: SymReader for file
+{
+    HRESULT hr = S_OK;
+    ISymUnmanagedReader *pSymReader = NULL;
+    IfFalseGo( ppRetVal && fileName && fileName[0] != '\0', E_INVALIDARG );
+
+    // Init Out parameter
+    *ppRetVal = NULL;
+
+    // Call the class factory directly.
+    IfFailGo(IldbSymbolsCreateInstance(CLSID_CorSymReader_SxS,
+                                       IID_ISymUnmanagedReader,
+                                       (void**)&pSymReader));
+                                            
+    IfFailGo(pSymReader->Initialize(importer, fileName, searchPath, NULL));
+
+    // Transfer ownership to the out parameter 
+    *ppRetVal = pSymReader;
+    pSymReader = NULL;
+
+ErrExit:
+    RELEASE(pSymReader);
+    return hr;
+}
+
+HRESULT
+SymBinder::GetReaderFromStream(
+    IUnknown *importer,
+    IStream *pStream,
+    ISymUnmanagedReader **ppRetVal
+    )
+{
+    HRESULT hr = S_OK;
+    ISymUnmanagedReader *pSymReader = NULL;
+    IfFalseGo( ppRetVal && importer && pStream, E_INVALIDARG );
+
+    // Init Out parameter
+    *ppRetVal = NULL;
+
+    // Call the class factory directly
+    IfFailGo(IldbSymbolsCreateInstance(CLSID_CorSymReader_SxS,
+                                       IID_ISymUnmanagedReader,
+                                       (void**)&pSymReader));
+                                            
+    IfFailGo(pSymReader->Initialize(importer, NULL, NULL, pStream));
+
+    // Transfer ownership to the out parameter 
+    *ppRetVal = pSymReader;
+    pSymReader = NULL;
+
+ErrExit:
+    RELEASE(pSymReader);
+    return hr;
+}
+
+HRESULT SymBinder::GetReaderForFile2( 
+    IUnknown *importer,
+    const WCHAR *fileName,
+    const WCHAR *searchPath,
+    ULONG32 searchPolicy,
+    ISymUnmanagedReader **pRetVal)
+{
+    // This API exists just to allow VS to function properly.
+    // ILDB doesn't support any search policy or search path - we only look
+    // next to the image file.
+    return GetReaderForFile(importer, fileName, searchPath, pRetVal);
+}