79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
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#ifndef _DBGMEMP_H
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#define _DBGMEMP_H
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#include <windows.h>
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#include <string.h>
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#include "cmn_debug.h" // For our local version of Assert()
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// Define ENABLE_DBG_HANDLES if you want to be enable the moveable block
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// portion of the memory allocator
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#undef ENABLE_DBG_HANDLES
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// The base allocator type
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typedef struct head /* Private memory block header */
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{
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DWORD dwTag; /* Block validation ID */
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struct head* pheadNext; /* Next in list of allocated blocks */
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int idBlock; /* Block "name" */
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DWORD cbBlock; /* Size of caller's memory block */
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int cLock; /* Lock count of object */
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LPBYTE pbBase; /* The VirtualAlloc'd block */
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} HEAD;
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#define HEAD_TAG ( MAKELONG( MAKEWORD('H','E'),MAKEWORD('A','D') ))
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#define PAD(a,n) ( ((a)+(n)-1) / (n) * (n) )
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// byte patterns for filling memory
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#define bNewGarbage 0xA3
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#define bOldGarbage 0xA4
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#define bFreeGarbage 0xA5
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#define bDebugByte 0xE1
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// Flags for enabling particular types of optional behavior
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// if fMove is true, blah blah
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// if fExtraReadPage is true, blah blah
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// if fPadBlocks is true, all memory allocations will be padded to 4-byte boundaries
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#define fMove FALSE
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#define fExtraReadPage FALSE
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#ifdef _M_ALPHA
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// Enable dword alignment (padding to 4 byte boundaries) for the Alpha
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#define fPadBlocks TRUE
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#else // not _M_ALPHA
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#define fPadBlocks FALSE
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#endif // _M_ALPHA
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// Protos that must be shared between our source files
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HEAD *GetBlockHeader(void*);
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LPVOID PvAllocateCore(UINT, DWORD);
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#ifdef ENABLE_DBG_HANDLES
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#define minGHandle 0xA0000000L
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#define cGHandles 0x4000L
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#define limGHandle (minGHandle+cGHandles)
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HGLOBAL WINAPI HgAllocateMoveable(UINT uFlags, DWORD cb);
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HGLOBAL WINAPI HgModifyMoveable(HGLOBAL hMem, DWORD cb, UINT uFlags);
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void **PpvFromHandle(HGLOBAL);
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#else // NOT ENABLE_DBG_HANDLES
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#define HgAllocateMoveable(a, b) (NULL)
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#define HgModifyMoveable(a, b, c) (NULL)
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#define PpvFromHandle(a) (NULL)
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#endif // ENABLE_DBG_HANDLES
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/* F A C T U A L H A N D L E */
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/*----------------------------------------------------------------------------
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%%Macro: FActualHandle
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Returns TRUE if the handle came from actual Global memory manager.
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----------------------------------------------------------------------------*/
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#define FActualHandle(hMem) FALSE
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#endif // _DBGMEMP_H
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