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//
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
//
//
// File: methodimpl.h
//
//
//
// ============================================================================
#ifndef _METHODIMPL_H
#define _METHODIMPL_H
class MethodDesc;
// <TODO>@TODO: This is very bloated. We need to trim this down alot. However,
// we need to keep it on a 8 byte boundary.</TODO>
class MethodImpl
{
#ifdef DACCESS_COMPILE
friend class NativeImageDumper;
#endif
#ifdef BINDER
friend class MdilModule; // this allows it to get the offset of pdwSlots and pImplementedMD
#endif
PTR_DWORD pdwSlots; // Maintains the slots in sorted order, the first entry is the size
DPTR(PTR_MethodDesc) pImplementedMD;
public:
#ifndef DACCESS_COMPILE
///////////////////////////////////////////////////////////////////////////////////////
class Iterator
{
private:
MethodDesc *m_pMD;
MethodImpl *m_pImpl;
DWORD m_iCur;
public:
Iterator(MethodDesc *pMD);
inline BOOL IsValid()
{ WRAPPER_NO_CONTRACT; return ((m_pImpl != NULL)&& (m_iCur < m_pImpl->GetSize())); }
inline void Next()
{ WRAPPER_NO_CONTRACT; if (IsValid()) m_iCur++; }
inline WORD GetSlot()
{ WRAPPER_NO_CONTRACT; CONSISTENCY_CHECK(IsValid()); _ASSERTE(FitsIn<WORD>(m_pImpl->GetSlots()[m_iCur])); return static_cast<WORD>(m_pImpl->GetSlots()[m_iCur]); }
inline MethodDesc *GetMethodDesc()
{ WRAPPER_NO_CONTRACT; return m_pImpl->FindMethodDesc(GetSlot(), (PTR_MethodDesc) m_pMD); }
};
///////////////////////////////////////////////////////////////////////////////////////
inline MethodDesc** GetImplementedMDs()
{
CONTRACTL {
NOTHROW;
GC_NOTRIGGER;
PRECONDITION(CheckPointer(this));
} CONTRACTL_END;
return pImplementedMD;
}
#endif // !DACCESS_COMPILE
///////////////////////////////////////////////////////////////////////////////////////
inline DWORD GetSize()
{
CONTRACTL {
NOTHROW;
GC_NOTRIGGER;
PRECONDITION(CheckPointer(this));
} CONTRACTL_END;
if(pdwSlots == NULL)
return 0;
else
return *pdwSlots;
}
///////////////////////////////////////////////////////////////////////////////////////
inline PTR_DWORD GetSlots()
{
CONTRACTL {
NOTHROW;
GC_NOTRIGGER;
PRECONDITION(CheckPointer(this));
SUPPORTS_DAC;
} CONTRACTL_END;
if(pdwSlots == NULL)
return NULL;
else
return pdwSlots + 1;
}
#ifndef DACCESS_COMPILE
///////////////////////////////////////////////////////////////////////////////////////
void SetSize(LoaderHeap *pHeap, AllocMemTracker *pamTracker, DWORD size);
///////////////////////////////////////////////////////////////////////////////////////
void SetData(DWORD* slots, MethodDesc** md);
#endif // !DACCESS_COMPILE
#ifdef DACCESS_COMPILE
void EnumMemoryRegions(CLRDataEnumMemoryFlags flags);
#endif
#ifdef FEATURE_PREJIT
void Save(DataImage *image);
void Fixup(DataImage *image, PVOID p, SSIZE_T offset);
#endif // FEATURE_PREJIT
// Returns the method desc for the replaced slot;
PTR_MethodDesc FindMethodDesc(DWORD slot, PTR_MethodDesc defaultReturn);
private:
static const DWORD INVALID_INDEX = (DWORD)(-1);
DWORD FindSlotIndex(DWORD slot);
#ifndef DACCESS_COMPILE
MethodDesc* RestoreSlot(DWORD slotIndex, MethodTable *pMT);
#endif
};
#endif // !_METHODIMPL_H
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