Initial commit to populate CoreCLR repo

[tfs-changeset: 1407945]

1 files changed, 200 insertions, 0 deletions

diff --git a/src/vm/peimagelayout.h b/src/vm/peimagelayout.h
new file mode 100644
index 0000000000..51830f8f91
--- /dev/null
+++ b/src/vm/peimagelayout.h
@@ -0,0 +1,200 @@
+//
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license 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;
+#ifdef FEATURE_INCLUDE_ALL_INTERFACES
+    friend class CCLRDebugManager;
+#endif // FEATURE_INCLUDE_ALL_INTERFACES
+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();
+#ifdef MDIL
+    BOOL GetILSizeFromMDILCLRCtlData(DWORD* pdwActualILSize);
+#endif // MDIL
+
+#ifdef FEATURE_PREJIT
+    void ApplyBaseRelocations();
+#endif
+
+public:
+#ifdef DACCESS_COMPILE
+    void EnumMemoryRegions(CLRDataEnumMemoryFlags flags);
+#endif
+
+#if defined(_WIN64) && !defined(DACCESS_COMPILE)
+    bool ConvertILOnlyPE32ToPE64();
+private:
+    bool ConvertILOnlyPE32ToPE64Worker();
+#endif // defined(_WIN64) && !defined(DACCESS_COMPILE)
+    
+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:
+    HandleHolder m_FileMap;
+    CLRMapViewHolder m_FileView;
+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
+
+};
+
+#ifdef FEATURE_FUSION
+class StreamImageLayout: public PEImageLayout
+{
+    VPTR_VTABLE_CLASS(StreamImageLayout,PEImageLayout)
+    VPTR_UNIQUE(0x71)
+protected:
+    HandleHolder m_FileMap;
+    CLRMapViewHolder m_FileView;
+public:
+#ifndef DACCESS_COMPILE    
+    StreamImageLayout(IStream* pIStream,PEImage* pOwner);   
+#endif
+};
+#endif // FEATURE_FUSION
+
+
+#endif  // PEIMAGELAYOUT_H_
+