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inspect.cpp
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3830 lines (3340 loc) · 87.9 KB
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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.
//*****************************************************************************
// File: inspect.cpp
//
//
// ClrData object inspection.
//
//*****************************************************************************
#include "stdafx.h"
HRESULT
InitFieldIter(DeepFieldDescIterator* fieldIter,
TypeHandle typeHandle,
bool canHaveFields,
ULONG32 flags,
IXCLRDataTypeInstance* fromType)
{
// Currently we can't filter on kinds so
// require them all.
if ((flags & ~CLRDATA_FIELD_ALL_FIELDS) != 0 ||
(flags & CLRDATA_TYPE_ALL_KINDS) != CLRDATA_TYPE_ALL_KINDS ||
(flags & CLRDATA_FIELD_ALL_LOCATIONS) == 0)
{
return E_INVALIDARG;
}
if (!canHaveFields)
{
// Leave default empty initialization.
return S_OK;
}
int fieldIterFlags = ApproxFieldDescIterator::ALL_FIELDS;
if ((flags & CLRDATA_FIELD_FROM_INSTANCE) == 0)
{
fieldIterFlags &= ~ApproxFieldDescIterator::INSTANCE_FIELDS;
}
if ((flags & CLRDATA_FIELD_FROM_STATIC) == 0)
{
fieldIterFlags &= ~ApproxFieldDescIterator::STATIC_FIELDS;
}
bool includeParents;
if ((flags & CLRDATA_FIELD_IS_INHERITED) == 0)
{
if (fromType)
{
typeHandle = ((ClrDataTypeInstance*)fromType)->GetTypeHandle();
}
includeParents = false;
}
else if (fromType)
{
return E_INVALIDARG;
}
else
{
includeParents = true;
}
if (typeHandle.IsNull() ||
!typeHandle.GetMethodTable() ||
!typeHandle.IsRestored())
{
return E_INVALIDARG;
}
fieldIter->Init(typeHandle.GetMethodTable(), fieldIterFlags, includeParents);
return S_OK;
}
ULONG32
GetTypeFieldValueFlags(TypeHandle typeHandle,
FieldDesc* fieldDesc,
ULONG32 otherFlags,
bool isDeref)
{
otherFlags &= ~(CLRDATA_VALUE_IS_PRIMITIVE |
CLRDATA_VALUE_IS_VALUE_TYPE |
CLRDATA_VALUE_IS_STRING |
CLRDATA_VALUE_IS_ARRAY |
CLRDATA_VALUE_IS_REFERENCE |
CLRDATA_VALUE_IS_POINTER |
CLRDATA_VALUE_IS_ENUM);
CorElementType eltType;
if (fieldDesc)
{
eltType = fieldDesc->GetFieldType();
}
else
{
_ASSERTE(!typeHandle.IsNull());
eltType = typeHandle.GetInternalCorElementType();
}
if (!isDeref && CorTypeInfo::IsObjRef_NoThrow(eltType))
{
otherFlags |= CLRDATA_VALUE_IS_REFERENCE;
}
else if (typeHandle.IsEnum())
{
otherFlags |= CLRDATA_VALUE_IS_ENUM;
}
else if (eltType == ELEMENT_TYPE_STRING)
{
otherFlags |= CLRDATA_VALUE_IS_STRING;
}
else if (eltType == ELEMENT_TYPE_PTR)
{
otherFlags |= CLRDATA_VALUE_IS_POINTER;
}
else if (CorTypeInfo::IsPrimitiveType_NoThrow(eltType))
{
otherFlags |= CLRDATA_VALUE_IS_PRIMITIVE;
}
else if (typeHandle.IsArray())
{
otherFlags |= CLRDATA_VALUE_IS_ARRAY;
}
else if (typeHandle.IsValueType())
{
otherFlags |= CLRDATA_VALUE_IS_VALUE_TYPE;
}
else if (eltType == ELEMENT_TYPE_CLASS)
{
//
// Perform extra checks to identify well-known classes.
//
if ((&g_Mscorlib)->IsClass(typeHandle.GetMethodTable(), CLASS__STRING))
{
otherFlags |= CLRDATA_VALUE_IS_STRING;
}
}
if (fieldDesc)
{
otherFlags &= ~(CLRDATA_VALUE_IS_LITERAL |
CLRDATA_VALUE_FROM_INSTANCE |
CLRDATA_VALUE_FROM_TASK_LOCAL |
CLRDATA_VALUE_FROM_STATIC);
if ((isDeref ||
(otherFlags & CLRDATA_VALUE_IS_REFERENCE) == 0) &&
IsFdLiteral(fieldDesc->GetAttributes()))
{
otherFlags |= CLRDATA_VALUE_IS_LITERAL;
}
if (fieldDesc->IsStatic())
{
otherFlags |= CLRDATA_VALUE_FROM_STATIC;
}
else if (fieldDesc->IsThreadStatic())
{
otherFlags |= CLRDATA_VALUE_FROM_TASK_LOCAL;
}
else
{
otherFlags |= CLRDATA_VALUE_FROM_INSTANCE;
}
}
return otherFlags;
}
//----------------------------------------------------------------------------
//
// ClrDataValue.
//
//----------------------------------------------------------------------------
ClrDataValue::ClrDataValue(ClrDataAccess* dac,
AppDomain* appDomain,
Thread* thread,
ULONG32 flags,
TypeHandle typeHandle,
ULONG64 baseAddr,
ULONG32 numLocs,
NativeVarLocation* locs)
{
m_dac = dac;
m_dac->AddRef();
m_instanceAge = m_dac->m_instanceAge;
m_refs = 1;
m_appDomain = appDomain;
m_thread = thread;
m_flags = flags;
m_typeHandle = typeHandle;
m_baseAddr = baseAddr;
m_numLocs = numLocs;
if (numLocs)
{
memcpy(m_locs, locs, numLocs * sizeof(m_locs[0]));
}
if (numLocs && (m_flags & CLRDATA_VALUE_IS_REFERENCE) != 0)
{
m_totalSize = sizeof(TADDR);
}
else
{
m_totalSize = 0;
for (ULONG32 i = 0; i < m_numLocs; i++)
{
m_totalSize += m_locs[i].size;
}
}
}
ClrDataValue::~ClrDataValue(void)
{
m_dac->Release();
}
STDMETHODIMP
ClrDataValue::QueryInterface(THIS_
IN REFIID interfaceId,
OUT PVOID* iface)
{
if (IsEqualIID(interfaceId, IID_IUnknown) ||
IsEqualIID(interfaceId, __uuidof(IXCLRDataValue)))
{
AddRef();
*iface = static_cast<IUnknown*>
(static_cast<IXCLRDataValue*>(this));
return S_OK;
}
else
{
*iface = NULL;
return E_NOINTERFACE;
}
}
STDMETHODIMP_(ULONG)
ClrDataValue::AddRef(THIS)
{
return InterlockedIncrement(&m_refs);
}
STDMETHODIMP_(ULONG)
ClrDataValue::Release(THIS)
{
SUPPORTS_DAC_HOST_ONLY;
LONG newRefs = InterlockedDecrement(&m_refs);
if (newRefs == 0)
{
delete this;
}
return newRefs;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::GetFlags(
/* [out] */ ULONG32 *flags)
{
HRESULT status;
DAC_ENTER_SUB(m_dac);
EX_TRY
{
*flags = m_flags;
status = S_OK;
}
EX_CATCH
{
if (!DacExceptionFilter(GET_EXCEPTION(), m_dac, &status))
{
EX_RETHROW;
}
}
EX_END_CATCH(SwallowAllExceptions)
DAC_LEAVE();
return status;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::GetAddress(
/* [out] */ CLRDATA_ADDRESS *address)
{
HRESULT status;
DAC_ENTER_SUB(m_dac);
EX_TRY
{
// This query can only be answered if there's a
// single non-register address.
if (m_numLocs == 1 &&
!m_locs[0].contextReg)
{
*address = TO_CDADDR(m_locs[0].addr);
status = S_OK;
}
else
{
status = E_NOINTERFACE;
}
}
EX_CATCH
{
if (!DacExceptionFilter(GET_EXCEPTION(), m_dac, &status))
{
EX_RETHROW;
}
}
EX_END_CATCH(SwallowAllExceptions)
DAC_LEAVE();
return status;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::GetSize(
/* [out] */ ULONG64 *size)
{
HRESULT status;
DAC_ENTER_SUB(m_dac);
EX_TRY
{
if (m_totalSize)
{
*size = m_totalSize;
status = S_OK;
}
else
{
status = E_NOINTERFACE;
}
}
EX_CATCH
{
if (!DacExceptionFilter(GET_EXCEPTION(), m_dac, &status))
{
EX_RETHROW;
}
}
EX_END_CATCH(SwallowAllExceptions)
DAC_LEAVE();
return status;
}
HRESULT
ClrDataValue::IntGetBytes(
/* [in] */ ULONG32 bufLen,
/* [size_is][out] */ BYTE buffer[ ])
{
HRESULT status;
NativeVarLocation* loc = m_locs;
for (ULONG32 i = 0; i < m_numLocs; i++)
{
if (loc->contextReg)
{
memcpy(buffer, (void*)(ULONG_PTR)loc->addr, loc->size);
buffer += loc->size;
}
else
{
ULONG32 done;
_ASSERTE(FitsIn<ULONG32>(loc->size));
status = m_dac->m_pTarget->
ReadVirtual(loc->addr, buffer, static_cast<ULONG32>(loc->size),
&done);
if (status != S_OK)
{
return CORDBG_E_READVIRTUAL_FAILURE;
}
if (done != loc->size)
{
return HRESULT_FROM_WIN32(ERROR_READ_FAULT);
}
buffer += loc->size;
}
loc++;
}
return S_OK;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::GetBytes(
/* [in] */ ULONG32 bufLen,
/* [out] */ ULONG32 *dataSize,
/* [size_is][out] */ BYTE buffer[ ])
{
HRESULT status;
DAC_ENTER_SUB(m_dac);
EX_TRY
{
if (!m_totalSize)
{
status = E_NOINTERFACE;
goto Exit;
}
if (dataSize)
{
_ASSERTE(FitsIn<ULONG32>(m_totalSize));
*dataSize = static_cast<ULONG32>(m_totalSize);
}
if (bufLen < m_totalSize)
{
status = HRESULT_FROM_WIN32(ERROR_BUFFER_OVERFLOW);
goto Exit;
}
status = IntGetBytes(bufLen, buffer);
Exit: ;
}
EX_CATCH
{
if (!DacExceptionFilter(GET_EXCEPTION(), m_dac, &status))
{
EX_RETHROW;
}
}
EX_END_CATCH(SwallowAllExceptions)
DAC_LEAVE();
return status;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::SetBytes(
/* [in] */ ULONG32 bufLen,
/* [out] */ ULONG32 *dataSize,
/* [size_is][in] */ BYTE buffer[ ])
{
HRESULT status;
DAC_ENTER_SUB(m_dac);
EX_TRY
{
NativeVarLocation* loc = NULL;
if (!m_totalSize)
{
status = E_NOINTERFACE;
goto Exit;
}
if (dataSize)
{
_ASSERTE(FitsIn<ULONG32>(m_totalSize));
*dataSize = static_cast<ULONG32>(m_totalSize);
}
if (bufLen < m_totalSize)
{
status = HRESULT_FROM_WIN32(ERROR_BUFFER_OVERFLOW);
goto Exit;
}
loc = m_locs;
for (ULONG32 i = 0; i < m_numLocs; i++)
{
if (loc->contextReg)
{
// XXX Microsoft - Context update?
// memcpy(buffer, (void*)(ULONG_PTR)loc->addr, loc->size);
// buffer += loc->size;
// until drew decides, return notimpl
status = E_NOTIMPL;
goto Exit;
}
else
{
_ASSERT(FitsIn<ULONG32>(loc->size));
status = m_dac->m_pMutableTarget->
WriteVirtual(loc->addr, buffer, static_cast<ULONG32>(loc->size));
if (status != S_OK)
{
goto Exit;
}
buffer += loc->size;
}
loc++;
}
status = S_OK;
Exit: ;
}
EX_CATCH
{
if (!DacExceptionFilter(GET_EXCEPTION(), m_dac, &status))
{
EX_RETHROW;
}
}
EX_END_CATCH(SwallowAllExceptions)
DAC_LEAVE();
return status;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::GetType(
/* [out] */ IXCLRDataTypeInstance **typeInstance)
{
HRESULT status;
DAC_ENTER_SUB(m_dac);
EX_TRY
{
if ((m_flags & CLRDATA_VALUE_IS_REFERENCE) != 0)
{
*typeInstance = NULL;
status = S_FALSE;
}
else if (!m_appDomain ||
m_typeHandle.IsNull())
{
status = E_NOTIMPL;
}
else
{
*typeInstance = new (nothrow)
ClrDataTypeInstance(m_dac, m_appDomain, m_typeHandle);
status = *typeInstance ? S_OK : E_OUTOFMEMORY;
}
}
EX_CATCH
{
if (!DacExceptionFilter(GET_EXCEPTION(), m_dac, &status))
{
EX_RETHROW;
}
}
EX_END_CATCH(SwallowAllExceptions)
DAC_LEAVE();
return status;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::GetNumFields(
/* [out] */ ULONG32 *numFields)
{
// XXX Microsoft - Obsolete method, never implemented.
return E_UNEXPECTED;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::GetFieldByIndex(
/* [in] */ ULONG32 index,
/* [out] */ IXCLRDataValue **field,
/* [in] */ ULONG32 bufLen,
/* [out] */ ULONG32 *nameLen,
/* [size_is][out] */ __out_ecount_part_opt(bufLen, *nameLen) WCHAR nameBuf[ ],
/* [out] */ mdFieldDef *token)
{
// XXX Microsoft - Obsolete method, never implemented.
return E_UNEXPECTED;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::GetNumFields2(
/* [in] */ ULONG32 flags,
/* [in] */ IXCLRDataTypeInstance *fromType,
/* [out] */ ULONG32 *numFields)
{
HRESULT status;
DAC_ENTER_SUB(m_dac);
EX_TRY
{
DeepFieldDescIterator fieldIter;
if ((status = InitFieldIter(&fieldIter, m_typeHandle, CanHaveFields(),
flags, fromType)) == S_OK)
{
*numFields = fieldIter.Count();
}
}
EX_CATCH
{
if (!DacExceptionFilter(GET_EXCEPTION(), m_dac, &status))
{
EX_RETHROW;
}
}
EX_END_CATCH(SwallowAllExceptions)
DAC_LEAVE();
return status;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::StartEnumFields(
/* [in] */ ULONG32 flags,
/* [in] */ IXCLRDataTypeInstance *fromType,
/* [out] */ CLRDATA_ENUM *handle)
{
HRESULT status;
DAC_ENTER_SUB(m_dac);
EX_TRY
{
status = SplitName::
CdStartField(NULL,
0,
flags,
fromType,
m_typeHandle,
NULL,
mdTypeDefNil,
m_baseAddr,
m_thread,
NULL,
m_appDomain,
NULL,
NULL,
handle);
}
EX_CATCH
{
if (!DacExceptionFilter(GET_EXCEPTION(), m_dac, &status))
{
EX_RETHROW;
}
}
EX_END_CATCH(SwallowAllExceptions)
DAC_LEAVE();
return status;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::EnumField(
/* [out][in] */ CLRDATA_ENUM *handle,
/* [out] */ IXCLRDataValue **field,
/* [in] */ ULONG32 nameBufLen,
/* [out] */ ULONG32 *nameLen,
/* [size_is][out] */ __out_ecount_part_opt(nameBufLen, *nameLen) WCHAR nameBuf[ ],
/* [out] */ mdFieldDef *token)
{
return EnumField2(handle, field, nameBufLen, nameLen, nameBuf,
NULL, token);
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::EnumField2(
/* [out][in] */ CLRDATA_ENUM *handle,
/* [out] */ IXCLRDataValue **field,
/* [in] */ ULONG32 nameBufLen,
/* [out] */ ULONG32 *nameLen,
/* [size_is][out] */ __out_ecount_part_opt(nameBufLen, *nameLen) WCHAR nameBuf[ ],
/* [out] */ IXCLRDataModule** tokenScope,
/* [out] */ mdFieldDef *token)
{
HRESULT status;
DAC_ENTER_SUB(m_dac);
EX_TRY
{
status = SplitName::CdNextField(m_dac, handle, NULL, NULL, field,
nameBufLen, nameLen, nameBuf,
tokenScope, token);
}
EX_CATCH
{
if (!DacExceptionFilter(GET_EXCEPTION(), m_dac, &status))
{
EX_RETHROW;
}
}
EX_END_CATCH(SwallowAllExceptions)
DAC_LEAVE();
return status;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::EndEnumFields(
/* [in] */ CLRDATA_ENUM handle)
{
HRESULT status;
DAC_ENTER_SUB(m_dac);
EX_TRY
{
status = SplitName::CdEnd(handle);
}
EX_CATCH
{
if (!DacExceptionFilter(GET_EXCEPTION(), m_dac, &status))
{
EX_RETHROW;
}
}
EX_END_CATCH(SwallowAllExceptions)
DAC_LEAVE();
return status;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::StartEnumFieldsByName(
/* [in] */ LPCWSTR name,
/* [in] */ ULONG32 nameFlags,
/* [in] */ ULONG32 fieldFlags,
/* [in] */ IXCLRDataTypeInstance *fromType,
/* [out] */ CLRDATA_ENUM *handle)
{
HRESULT status;
DAC_ENTER_SUB(m_dac);
EX_TRY
{
status = SplitName::
CdStartField(name,
nameFlags,
fieldFlags,
fromType,
m_typeHandle,
NULL,
mdTypeDefNil,
m_baseAddr,
m_thread,
NULL,
m_appDomain,
NULL,
NULL,
handle);
}
EX_CATCH
{
if (!DacExceptionFilter(GET_EXCEPTION(), m_dac, &status))
{
EX_RETHROW;
}
}
EX_END_CATCH(SwallowAllExceptions)
DAC_LEAVE();
return status;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::EnumFieldByName(
/* [out][in] */ CLRDATA_ENUM *handle,
/* [out] */ IXCLRDataValue **field,
/* [out] */ mdFieldDef *token)
{
return EnumFieldByName2(handle, field, NULL, token);
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::EnumFieldByName2(
/* [out][in] */ CLRDATA_ENUM *handle,
/* [out] */ IXCLRDataValue **field,
/* [out] */ IXCLRDataModule** tokenScope,
/* [out] */ mdFieldDef *token)
{
HRESULT status;
DAC_ENTER_SUB(m_dac);
EX_TRY
{
status = SplitName::CdNextField(m_dac, handle, NULL, NULL, field,
0, NULL, NULL,
tokenScope, token);
}
EX_CATCH
{
if (!DacExceptionFilter(GET_EXCEPTION(), m_dac, &status))
{
EX_RETHROW;
}
}
EX_END_CATCH(SwallowAllExceptions)
DAC_LEAVE();
return status;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::EndEnumFieldsByName(
/* [in] */ CLRDATA_ENUM handle)
{
HRESULT status;
DAC_ENTER_SUB(m_dac);
EX_TRY
{
status = SplitName::CdEnd(handle);
}
EX_CATCH
{
if (!DacExceptionFilter(GET_EXCEPTION(), m_dac, &status))
{
EX_RETHROW;
}
}
EX_END_CATCH(SwallowAllExceptions)
DAC_LEAVE();
return status;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::GetFieldByToken(
/* [in] */ mdFieldDef token,
/* [out] */ IXCLRDataValue **field,
/* [in] */ ULONG32 bufLen,
/* [out] */ ULONG32 *nameLen,
/* [size_is][out] */ __out_ecount_part_opt(bufLen, *nameLen) WCHAR nameBuf[ ])
{
return GetFieldByToken2(NULL, token, field, bufLen, nameLen, nameBuf);
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::GetFieldByToken2(
/* [in] */ IXCLRDataModule* tokenScope,
/* [in] */ mdFieldDef token,
/* [out] */ IXCLRDataValue **field,
/* [in] */ ULONG32 bufLen,
/* [out] */ ULONG32 *nameLen,
/* [size_is][out] */ __out_ecount_part_opt(bufLen, *nameLen) WCHAR nameBuf[ ])
{
HRESULT status;
DAC_ENTER_SUB(m_dac);
EX_TRY
{
DeepFieldDescIterator fieldIter;
if ((status = InitFieldIter(&fieldIter, m_typeHandle, CanHaveFields(),
CLRDATA_VALUE_ALL_FIELDS, NULL)) == S_OK)
{
FieldDesc* fieldDesc;
status = E_INVALIDARG;
while ((fieldDesc = fieldIter.Next()))
{
if ((!tokenScope ||
PTR_HOST_TO_TADDR(((ClrDataModule*)tokenScope)->
GetModule()) ==
PTR_HOST_TO_TADDR(fieldDesc->GetModule())) &&
fieldDesc->GetMemberDef() == token)
{
status = NewFromSubField(fieldDesc,
fieldIter.
IsFieldFromParentClass() ?
CLRDATA_VALUE_IS_INHERITED : 0,
NULL, field,
bufLen, nameLen, nameBuf,
NULL, NULL);
break;
}
}
}
}
EX_CATCH
{
if (!DacExceptionFilter(GET_EXCEPTION(), m_dac, &status))
{
EX_RETHROW;
}
}
EX_END_CATCH(SwallowAllExceptions)
DAC_LEAVE();
return status;
}
HRESULT
ClrDataValue::GetRefAssociatedValue(IXCLRDataValue** assocValue)
{
HRESULT status;
if (m_typeHandle.IsNull())
{
return E_NOINTERFACE;
}
TADDR refAddr;
_ASSERTE(m_totalSize == sizeof(refAddr));
if ((status = IntGetBytes(sizeof(refAddr),
(PBYTE)&refAddr)) != S_OK)
{
return status;
}
// We assume that objrefs always refer
// to objects so there is no ref chain.
ULONG32 valueFlags =
GetTypeFieldValueFlags(m_typeHandle, NULL,
m_flags & CLRDATA_VALUE_ALL_LOCATIONS, true);
NativeVarLocation loc;
loc.addr = TO_CDADDR(refAddr);
// XXX Microsoft - Good way to get the right size for everything?
loc.size = (m_typeHandle.GetMethodTable())->GetBaseSize();
loc.contextReg = false;
*assocValue = new (nothrow)
ClrDataValue(m_dac,
m_appDomain,
m_thread,
valueFlags,
m_typeHandle,
loc.addr,
1,
&loc);
return *assocValue ? S_OK : E_OUTOFMEMORY;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::GetAssociatedValue(
/* [out] */ IXCLRDataValue **assocValue)
{
HRESULT status;
DAC_ENTER_SUB(m_dac);
EX_TRY
{
if (m_numLocs && (m_flags & CLRDATA_VALUE_IS_REFERENCE) != 0)
{
status = GetRefAssociatedValue(assocValue);
}
else
{
status = E_NOINTERFACE;
}
}
EX_CATCH
{
if (!DacExceptionFilter(GET_EXCEPTION(), m_dac, &status))
{
EX_RETHROW;
}
}
EX_END_CATCH(SwallowAllExceptions)
DAC_LEAVE();
return status;
}
HRESULT STDMETHODCALLTYPE
ClrDataValue::GetAssociatedType(
/* [out] */ IXCLRDataTypeInstance **assocType)
{
HRESULT status;
DAC_ENTER_SUB(m_dac);
EX_TRY
{
TypeHandle dacType;
if ((m_flags & CLRDATA_VALUE_IS_REFERENCE) != 0)
{
dacType = m_typeHandle;
}
else if ((m_flags & CLRDATA_VALUE_IS_ARRAY) != 0)
{
ArrayBase* arrayBase = PTR_ArrayBase(CLRDATA_ADDRESS_TO_TADDR(m_baseAddr));
dacType = arrayBase->GetArrayElementTypeHandle();