Leaked source code of windows server 2003
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/*++
Copyright (c) 1999-2001 Microsoft Corporation
Abstract:
Manages a set of regions indexed by virtual addresses
and backed by mapped memory.
Author:
Matthew D Hendel (math) 16-Sept-1999
Revision History:
--*/
#ifndef __MMAP_HPP__
#define __MMAP_HPP__
#define HR_REGION_CONFLICT HRESULT_FROM_NT(STATUS_CONFLICTING_ADDRESSES)
typedef struct _MEMORY_MAP_ENTRY
{
ULONG64 BaseOfRegion;
ULONG SizeOfRegion;
PVOID Region;
PVOID UserData;
BOOL AllowOverlap;
struct _MEMORY_MAP_ENTRY * Next;
} MEMORY_MAP_ENTRY, * PMEMORY_MAP_ENTRY;
class MappedMemoryMap
{
public:
MappedMemoryMap(void);
~MappedMemoryMap(void);
HRESULT AddRegion(
ULONG64 BaseOfRegion,
ULONG SizeOfRegion,
PVOID Buffer,
PVOID UserData,
BOOL AllowOverlap
);
BOOL ReadMemory(
ULONG64 BaseOfRange,
OUT PVOID Buffer,
ULONG SizeOfRange,
PULONG BytesRead
);
BOOL CheckMap(
IN PVOID Map
);
BOOL GetRegionInfo(
IN ULONG64 Addr,
OUT ULONG64* BaseOfRegion, OPTIONAL
OUT ULONG* SizeOfRegion, OPTIONAL
OUT PVOID* Buffer, OPTIONAL
OUT PVOID* UserData OPTIONAL
);
BOOL GetNextRegion(
IN ULONG64 Addr,
OUT PULONG64 Next
);
BOOL RemoveRegion(
IN ULONG64 BaseOfRegion,
IN ULONG SizeOfRegion
);
BOOL GetRegionByUserData(
IN PVOID UserData,
OUT PULONG64 Base,
OUT PULONG Size
);
private:
PMEMORY_MAP_ENTRY AddMapEntry(ULONG64 BaseOfRegion, ULONG SizeOfRegion,
PVOID Buffer, PVOID UserData,
BOOL AllowOverlap);
PMEMORY_MAP_ENTRY FindPreceedingRegion(ULONG64 Addr);
PMEMORY_MAP_ENTRY FindContainingRegion(ULONG64 Addr);
PMEMORY_MAP_ENTRY m_List;
ULONG m_RegionCount;
};
#endif // #ifndef __MMAP_HPP__