1 files changed, 90 insertions, 0 deletions
diff --git a/src/vm/ilinstrumentation.cpp b/src/vm/ilinstrumentation.cpp
new file mode 100644
index 0000000000..a2bdbf1a60
--- /dev/null
+++ b/src/vm/ilinstrumentation.cpp
@@ -0,0 +1,90 @@
+// 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: ILInstrumentation.cpp
+//
+// ===========================================================================
+
+
+#include "common.h"
+#include "ilinstrumentation.h"
+
+
+//---------------------------------------------------------------------------------------
+InstrumentedILOffsetMapping::InstrumentedILOffsetMapping()
+{
+    LIMITED_METHOD_DAC_CONTRACT;
+
+    m_cMap = 0;
+    m_rgMap = NULL;
+    _ASSERTE(IsNull());
+}
+
+//---------------------------------------------------------------------------------------
+//
+// Check whether there is any mapping information stored in this object.
+//
+// Notes:
+//    The memory should be alive throughout the process lifetime until 
+//    the Module containing the instrumented method is destructed.
+//
+
+BOOL InstrumentedILOffsetMapping::IsNull() const
+{
+    LIMITED_METHOD_DAC_CONTRACT;
+
+    _ASSERTE((m_cMap == 0) == (m_rgMap == NULL));
+    return (m_cMap == 0);
+}
+
+#if !defined(DACCESS_COMPILE)
+//---------------------------------------------------------------------------------------
+//
+// Release the memory used by the array of COR_IL_MAPs.
+//
+// Notes:
+//    * The memory should be alive throughout the process lifetime until the Module containing 
+//      the instrumented method is destructed.
+//    * This struct should be read-only in DAC builds.
+//
+
+void InstrumentedILOffsetMapping::Clear()
+{
+    LIMITED_METHOD_CONTRACT;
+
+    if (m_rgMap != NULL)
+    {
+        delete[] m_rgMap;
+    }
+
+    m_cMap = 0;
+    m_rgMap = NULL;
+}
+#endif // !DACCESS_COMPILE
+
+#if !defined(DACCESS_COMPILE)
+void InstrumentedILOffsetMapping::SetMappingInfo(SIZE_T cMap, COR_IL_MAP * rgMap)
+{
+    WRAPPER_NO_CONTRACT;
+    _ASSERTE((cMap == 0) == (rgMap == NULL));
+    m_cMap = cMap;
+    m_rgMap = ARRAY_PTR_COR_IL_MAP(rgMap);
+}
+#endif // !DACCESS_COMPILE
+
+SIZE_T InstrumentedILOffsetMapping::GetCount() const
+{
+    LIMITED_METHOD_DAC_CONTRACT;
+
+    _ASSERTE((m_cMap == 0) == (m_rgMap == NULL));
+    return m_cMap;
+}
+
+ARRAY_PTR_COR_IL_MAP InstrumentedILOffsetMapping::GetOffsets() const
+{
+    LIMITED_METHOD_DAC_CONTRACT;
+
+    _ASSERTE((m_cMap == 0) == (m_rgMap == NULL));
+    return m_rgMap;
+}