int ReadVirtual()

in ClrMemDiag/Debugger/IDebugDataSpaces.cs [18:168]
130 lines of code
1 McCabe index (conditional complexity)

        int ReadVirtual(
            [In] UInt64 Offset,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 2)] byte[] buffer,
            [In] UInt32 BufferSize,
            [Out] out UInt32 BytesRead);

        [PreserveSig]
        int WriteVirtual(
            [In] UInt64 Offset,
            [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 2)] byte[] buffer,
            [In] UInt32 BufferSize,
            [Out] out UInt32 BytesWritten);

        [PreserveSig]
        int SearchVirtual(
            [In] UInt64 Offset,
            [In] UInt64 Length,
            [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] byte[] pattern,
            [In] UInt32 PatternSize,
            [In] UInt32 PatternGranularity,
            [Out] out UInt64 MatchOffset);

        [PreserveSig]
        int ReadVirtualUncached(
            [In] UInt64 Offset,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 2)] byte[] buffer,
            [In] UInt32 BufferSize,
            [Out] out UInt32 BytesRead);

        [PreserveSig]
        int WriteVirtualUncached(
            [In] UInt64 Offset,
            [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 2)] byte[] buffer,
            [In] UInt32 BufferSize,
            [Out] out UInt32 BytesWritten);

        [PreserveSig]
        int ReadPointersVirtual(
            [In] UInt32 Count,
            [In] UInt64 Offset,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 0)] UInt64[] Ptrs);

        [PreserveSig]
        int WritePointersVirtual(
            [In] UInt32 Count,
            [In] UInt64 Offset,
            [In, MarshalAs(UnmanagedType.LPArray)] UInt64[] Ptrs);

        [PreserveSig]
        int ReadPhysical(
            [In] UInt64 Offset,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 2)] byte[] buffer,
            [In] UInt32 BufferSize,
            [Out] out UInt32 BytesRead);

        [PreserveSig]
        int WritePhysical(
            [In] UInt64 Offset,
            [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 2)] byte[] buffer,
            [In] UInt32 BufferSize,
            [Out] out UInt32 BytesWritten);

        [PreserveSig]
        int ReadControl(
            [In] UInt32 Processor,
            [In] UInt64 Offset,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] byte[] buffer,
            [In] Int32 BufferSize,
            [Out] out UInt32 BytesRead);

        [PreserveSig]
        int WriteControl(
            [In] UInt32 Processor,
            [In] UInt64 Offset,
            [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] byte[] buffer,
            [In] Int32 BufferSize,
            [Out] out UInt32 BytesWritten);

        [PreserveSig]
        int ReadIo(
            [In] INTERFACE_TYPE InterfaceType,
            [In] UInt32 BusNumber,
            [In] UInt32 AddressSpace,
            [In] UInt64 Offset,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 5)] byte[] buffer,
            [In] UInt32 BufferSize,
            [Out] out UInt32 BytesRead);

        [PreserveSig]
        int WriteIo(
            [In] INTERFACE_TYPE InterfaceType,
            [In] UInt32 BusNumber,
            [In] UInt32 AddressSpace,
            [In] UInt64 Offset,
            [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 5)] byte[] buffer,
            [In] UInt32 BufferSize,
            [Out] out UInt32 BytesWritten);

        [PreserveSig]
        int ReadMsr(
            [In] UInt32 Msr,
            [Out] out UInt64 MsrValue);

        [PreserveSig]
        int WriteMsr(
            [In] UInt32 Msr,
            [In] UInt64 MsrValue);

        [PreserveSig]
        int ReadBusData(
            [In] BUS_DATA_TYPE BusDataType,
            [In] UInt32 BusNumber,
            [In] UInt32 SlotNumber,
            [In] UInt32 Offset,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 5)] byte[] buffer,
            [In] UInt32 BufferSize,
            [Out] out UInt32 BytesRead);

        [PreserveSig]
        int WriteBusData(
            [In] BUS_DATA_TYPE BusDataType,
            [In] UInt32 BusNumber,
            [In] UInt32 SlotNumber,
            [In] UInt32 Offset,
            [In, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 5)] byte[] buffer,
            [In] UInt32 BufferSize,
            [Out] out UInt32 BytesWritten);

        [PreserveSig]
        int CheckLowMemory();

        [PreserveSig]
        int ReadDebuggerData(
            [In] UInt32 Index,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 2)] byte[] buffer,
            [In] UInt32 BufferSize,
            [Out] out UInt32 DataSize);

        [PreserveSig]
        int ReadProcessorSystemData(
            [In] UInt32 Processor,
            [In] DEBUG_DATA Index,
            [Out, MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)] byte[] buffer,
            [In] UInt32 BufferSize,
            [Out] out UInt32 DataSize);
    }


    [ComImport, InterfaceType(ComInterfaceType.InterfaceIsIUnknown), Guid("88f7dfab-3ea7-4c3a-aefb-c4e8106173aa")]
    public interface IDebugDataSpacesPtr
    {