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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.
#ifndef __RTLFUNCTIONS_H__
#define __RTLFUNCTIONS_H__
#ifdef WIN64EXCEPTIONS
enum EEDynamicFunctionTableType
{
DYNFNTABLE_JIT = 0,
DYNFNTABLE_STUB = 1,
DYNFNTABLE_INVALID = -1,
DYNFNTABLE_FIRST = DYNFNTABLE_JIT,
DYNFNTABLE_LAST = DYNFNTABLE_STUB,
};
// Used by OutOfProcessFunctionTableCallback in DLLS\mscordbg\DebugSupport.cpp
// to figure out how to parse a dynamic function table that was registered
// with a callback.
inline
EEDynamicFunctionTableType IdentifyDynamicFunctionTableTypeFromContext (PVOID pvContext)
{
EEDynamicFunctionTableType type = (EEDynamicFunctionTableType)((SIZE_T)pvContext & 3);
if (type < DYNFNTABLE_FIRST || type > DYNFNTABLE_LAST)
type = DYNFNTABLE_INVALID;
return type;
}
inline
PVOID EncodeDynamicFunctionTableContext (PVOID pvContext, EEDynamicFunctionTableType type)
{
_ASSERTE(type >= DYNFNTABLE_FIRST && type <= DYNFNTABLE_LAST);
return (PVOID)((SIZE_T)pvContext | type);
}
inline
PVOID DecodeDynamicFunctionTableContext (PVOID pvContext)
{
return (PVOID)((SIZE_T)pvContext & ~3);
}
#define DYNAMIC_FUNCTION_TABLE_MAX_RANGE LONG_MAX
#endif // WIN64EXCEPTIONS
#if defined(WIN64EXCEPTIONS) && !defined(DACCESS_COMPILE) && !defined(CROSSGEN_COMPILE) && !defined(FEATURE_PAL)
// Wrapper for RtlInstallFunctionTableCallback.
VOID InstallEEFunctionTable(
PVOID pvTableID,
PVOID pvStartRange,
ULONG cbRange,
PGET_RUNTIME_FUNCTION_CALLBACK pfnGetRuntimeFunctionCallback,
PVOID pvContext,
EEDynamicFunctionTableType TableType);
inline
VOID DeleteEEFunctionTable(
PVOID pvTableID)
{
RtlDeleteFunctionTable((PT_RUNTIME_FUNCTION)((ULONG64)pvTableID | 3));
}
#else // WIN64EXCEPTIONS && !DACCESS_COMPILE && !CROSSGEN_COMPILE && !FEATURE_PAL
#define InstallEEFunctionTable(pvTableID, pvStartRange, cbRange, pfnGetRuntimeFunctionCallback, pvContext, TableType) do { } while (0)
#define DeleteEEFunctionTable(pvTableID) do { } while (0)
#endif // WIN64EXCEPTIONS && !DACCESS_COMPILE && !CROSSGEN_COMPILE && !FEATURE_PAL
#endif // !__RTLFUNCTIONS_H__
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