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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.
// --------------------------------------------------------------------------------
// PEImageLayout.h
//
// --------------------------------------------------------------------------------
#ifndef PEIMAGELAYOUT_H_
#define PEIMAGELAYOUT_H_
// --------------------------------------------------------------------------------
// Required headers
// --------------------------------------------------------------------------------
#include "clrtypes.h"
#include "pedecoder.h"
#include "holder.h"
// --------------------------------------------------------------------------------
// Forward declarations
// --------------------------------------------------------------------------------
class Crst;
class PEImage;
typedef VPTR(class PEImageLayout) PTR_PEImageLayout;
class PEImageLayout : public PEDecoder
{
VPTR_BASE_CONCRETE_VTABLE_CLASS(PEImageLayout)
friend class PEModule;
public:
// ------------------------------------------------------------
// Public constants
// ------------------------------------------------------------
enum
{
LAYOUT_MAPPED =1,
LAYOUT_FLAT =2,
LAYOUT_LOADED =4,
LAYOUT_LOADED_FOR_INTROSPECTION =8,
LAYOUT_ANY =0xf
};
public:
#ifndef DACCESS_COMPILE
static PEImageLayout* CreateFlat(const void *flat, COUNT_T size,PEImage* pOwner);
static PEImageLayout* CreateFromStream(IStream* pIStream, PEImage* pOwner);
static PEImageLayout* CreateFromHMODULE(HMODULE mappedbase,PEImage* pOwner, BOOL bTakeOwnership);
static PEImageLayout* LoadFromFlat(PEImageLayout* pflatimage);
static PEImageLayout* Load(PEImage* pOwner, BOOL bNTSafeLoad, BOOL bThrowOnError = TRUE);
static PEImageLayout* LoadFlat(HANDLE hFile, PEImage* pOwner);
static PEImageLayout* Map (HANDLE hFile, PEImage* pOwner);
#endif
PEImageLayout();
virtual ~PEImageLayout();
static void Startup();
static CHECK CheckStartup();
static BOOL CompareBase(UPTR path, UPTR mapping);
// Refcount above images.
void AddRef();
ULONG Release();
const SString& GetPath();
void ApplyBaseRelocations();
public:
#ifdef DACCESS_COMPILE
void EnumMemoryRegions(CLRDataEnumMemoryFlags flags);
#endif
private:
Volatile<LONG> m_refCount;
public:
PEImage* m_pOwner;
DWORD m_Layout;
};
typedef ReleaseHolder<PEImageLayout> PEImageLayoutHolder;
//RawImageView is built on external data, does not need cleanup
class RawImageLayout: public PEImageLayout
{
VPTR_VTABLE_CLASS(RawImageLayout,PEImageLayout)
protected:
CLRMapViewHolder m_DataCopy;
#ifndef FEATURE_PAL
HModuleHolder m_LibraryHolder;
#endif // !FEATURE_PAL
public:
RawImageLayout(const void *flat, COUNT_T size,PEImage* pOwner);
RawImageLayout(const void *mapped, PEImage* pOwner, BOOL bTakeOwnerShip, BOOL bFixedUp);
};
// ConvertedImageView is for the case when we manually layout a flat image
class ConvertedImageLayout: public PEImageLayout
{
VPTR_VTABLE_CLASS(ConvertedImageLayout,PEImageLayout)
protected:
HandleHolder m_FileMap;
CLRMapViewHolder m_FileView;
public:
#ifndef DACCESS_COMPILE
ConvertedImageLayout(PEImageLayout* source);
#endif
};
class MappedImageLayout: public PEImageLayout
{
VPTR_VTABLE_CLASS(MappedImageLayout,PEImageLayout)
VPTR_UNIQUE(0x15)
protected:
#ifndef FEATURE_PAL
HandleHolder m_FileMap;
CLRMapViewHolder m_FileView;
#else
PALPEFileHolder m_LoadedFile;
#endif
public:
#ifndef DACCESS_COMPILE
MappedImageLayout(HANDLE hFile, PEImage* pOwner);
#endif
};
#if !defined(CROSSGEN_COMPILE) && !defined(FEATURE_PAL)
class LoadedImageLayout: public PEImageLayout
{
VPTR_VTABLE_CLASS(LoadedImageLayout,PEImageLayout)
protected:
HINSTANCE m_Module;
public:
#ifndef DACCESS_COMPILE
LoadedImageLayout(PEImage* pOwner, BOOL bNTSafeLoad, BOOL bThrowOnError);
~LoadedImageLayout()
{
CONTRACTL
{
NOTHROW;
GC_TRIGGERS;
MODE_ANY;
}
CONTRACTL_END;
if (m_Module)
CLRFreeLibrary(m_Module);
}
#endif // !DACCESS_COMPILE
};
#endif // !CROSSGEN_COMPILE && !FEATURE_PAL
class FlatImageLayout: public PEImageLayout
{
VPTR_VTABLE_CLASS(FlatImageLayout,PEImageLayout)
VPTR_UNIQUE(0x59)
protected:
HandleHolder m_FileMap;
CLRMapViewHolder m_FileView;
public:
#ifndef DACCESS_COMPILE
FlatImageLayout(HANDLE hFile, PEImage* pOwner);
#endif
};
#endif // PEIMAGELAYOUT_H_
|
