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ICLRDataTarget Interface

Provides methods for interaction with a target item of the common language runtime (CLR).

interface ICLRDataTarget : IUnknown {
    HRESULT GetCurrentThreadID (
        [out] ULONG32           *threadID
    HRESULT GetImageBase (
        [in, string] LPCWSTR    imagePath,
        [out] CLRDATA_ADDRESS   *baseAddress
    HRESULT GetMachineType (
        [out] ULONG32           *machineType
    HRESULT GetPointerSize (
        [out] ULONG32           *pointerSize
    HRESULT GetThreadContext (
        [in] ULONG32            threadID,
        [in] ULONG32            contextFlags,
        [in] ULONG32            contextSize,
        [out, size_is(contextSize)] 
            BYTE                *context
    HRESULT GetTLSValue (
        [in] ULONG32            threadID,
        [in] ULONG32            index,
        [out] CLRDATA_ADDRESS   *value
    HRESULT ReadVirtual (
        [in] CLRDATA_ADDRESS    address,
        [out, size_is(bytesRequested), length_is(*bytesRead)] 
            BYTE                *buffer,
        [in] ULONG32            bytesRequested,
        [out] ULONG32           *bytesRead
    HRESULT Request (
        [in] ULONG32            reqCode,
        [in] ULONG32            inBufferSize,
        [in, size_is(inBufferSize)] 
            BYTE                *inBuffer,
        [in] ULONG32            outBufferSize,
        [out, size_is(outBufferSize)] 
            BYTE                *outBuffer
    HRESULT SetThreadContext (
        [in] ULONG32            threadID,
        [in] ULONG32            contextSize,
        [in, size_is(contextSize)] 
             BYTE               *context
    HRESULT SetTLSValue (
        [in] ULONG32            threadID,
        [in] ULONG32            index,
        [in] CLRDATA_ADDRESS    value
    HRESULT WriteVirtual (
        [in] CLRDATA_ADDRESS    address,
        [in, size_is(bytesRequested)] 
                         BYTE               *buffer,
        [in] ULONG32            bytesRequested,
        [out] ULONG32           *bytesWritten



ICLRDataTarget::GetCurrentThreadID Method

Gets the operating system identifier for the current thread.

ICLRDataTarget::GetImageBase Method

Gets the base memory address for the specified image.

ICLRDataTarget::GetMachineType Method

Gets an identifier for the kind of instruction set that the target process is using.

ICLRDataTarget::GetPointerSize Method

Gets the size, in bytes, of a pointer to the current target.

ICLRDataTarget::GetThreadContext Method

Gets a pointer to the context of the thread with the specified identifier.

ICLRDataTarget::GetTLSValue Method

Gets a value in thread local storage (TLS) at the specified index for the specified thread.

ICLRDataTarget::ReadVirtual Method

Reads data from the specified virtual memory address into the specified buffer.

ICLRDataTarget::Request Method

Called by the common language runtime (CLR) data access services to request an operation, as defined by the implementation.

ICLRDataTarget::SetThreadContext Method

Sets the current context of the specified thread in the target process.

ICLRDataTarget::SetTLSValue Method

Sets a value in the thread local storage (TLS) of the specified thread in the target process.

ICLRDataTarget::WriteVirtual Method

Writes data from the specified buffer to the specified virtual memory address.

The API client (that is, the debugger) must implement this interface as appropriate for the particular target item. For example, a live process would have an implementation different from that of a memory dump.

Platforms: Windows 2000, Windows XP, Windows Server 2003 family

Header: ClrData.idl

Library: CorGuids.lib

.NET Framework Version: 2.0

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