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// 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.
// -----------------------------------------------------------------------------------------------------------
// Support for evaluating expression in the debuggee during debugging
// -----------------------------------------------------------------------------------------------------------
#ifndef __DEBUG_FUNC_EVAL_H__
#define __DEBUG_FUNC_EVAL_H__
#include "common.h"
#include "CommonTypes.h"
#include "CommonMacros.h"
#include "daccess.h"
#ifndef DACCESS_COMPILE
typedef void(*HighLevelDebugFuncEvalAbortHelperType)(UInt64);
class DebugFuncEval
{
public:
/// <summary>
/// Retrieve the global FuncEval parameter buffer size.
/// </summary>
/// <remarks>
/// During debugging, if a FuncEval is requested,
/// the func eval infrastructure needs to know how much buffer to allocate for the debugger to
/// write the parameter information in. The C# supporting code will call this API to obtain the
/// buffer size. By that time, the value should have been set through the UpdateFuncEvalParameterSize()
/// method on the ISosRedhawk7 interface.
/// </remarks>
static UInt32 GetFuncEvalParameterBufferSize();
/// <summary>
/// Retrieve the global FuncEval mode.
/// </summary>
/// <remarks>
/// During debugging, if a FuncEval is requested,
/// the func eval infrastructure needs to know what mode to execute the FuncEval request
/// The C# supporting code will call this API to obtain the mode. By that time, the value
/// should have been set through the UpdateFuncEvalMode() method on the ISosRedhawk7 interface.
/// </remarks>
static UInt32 GetFuncEvalMode();
/// <summary>
/// Retrieve the most recent FuncEval Hijack instruction pointer
/// </summary>
/// <remarks>
/// The most recent FuncEval Hijack instruction pointer is set through the debugger
/// It is used for the stack walker to understand the hijack frame
/// </remarks>
static UInt64 GetMostRecentFuncEvalHijackInstructionPointer();
/// <summary>
/// Retrieve the high level debug func eval abort helper
/// </summary>
static HighLevelDebugFuncEvalAbortHelperType GetHighLevelDebugFuncEvalAbortHelper();
/// <summary>
/// Set the high level debug func eval abort helper
/// </summary>
static void SetHighLevelDebugFuncEvalAbortHelper(HighLevelDebugFuncEvalAbortHelperType highLevelDebugFuncEvalAbortHelper);
};
#else
class DebugFuncEval
{
public:
/// <summary>
/// Retrieve the most recent FuncEval Hijack instruction pointer
/// </summary>
/// <remarks>
/// The most recent FuncEval Hijack instruction pointer is set through the debugger
/// It is used for the stack walker to understand the hijack frame
/// </remarks>
static UInt64 GetMostRecentFuncEvalHijackInstructionPointer();
};
#endif //!DACCESS_COMPILE
#endif // __DEBUG_FUNC_EVAL_H__
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