576 lines
18 KiB
C++
576 lines
18 KiB
C++
//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose: This header should never be used directly from leaf code!!!
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// Instead, just add the file memoverride.cpp into your project and all this
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// will automagically be used
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef TIER0_MEMALLOC_H
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#define TIER0_MEMALLOC_H
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#ifdef _WIN32
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#pragma once
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#endif
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// These memory debugging switches aren't relevant under Linux builds since memoverride.cpp
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// isn't built into Linux projects
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#ifndef POSIX
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// Define this in release to get memory tracking even in release builds
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//#define USE_MEM_DEBUG 1
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// Define this in release to get light memory debugging
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//#define USE_LIGHT_MEM_DEBUG
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// Define this to require -uselmd to turn light memory debugging on
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//#define LIGHT_MEM_DEBUG_REQUIRES_CMD_LINE_SWITCH
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#endif
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#if defined( _MEMTEST )
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#ifdef _WIN32
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#define USE_MEM_DEBUG 1
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#endif
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#endif
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// Undefine this if using a compiler lacking threadsafe RTTI (like vc6)
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#define MEM_DEBUG_CLASSNAME 1
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#if !defined(STEAM) && !defined(NO_MALLOC_OVERRIDE)
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#include <stddef.h>
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#ifdef LINUX
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#undef offsetof
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#define offsetof(s,m) (size_t)&(((s *)0)->m)
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#endif
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#include "tier0/mem.h"
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struct _CrtMemState;
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#define MEMALLOC_VERSION 1
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typedef size_t (*MemAllocFailHandler_t)( size_t );
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//-----------------------------------------------------------------------------
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// NOTE! This should never be called directly from leaf code
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// Just use new,delete,malloc,free etc. They will call into this eventually
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//-----------------------------------------------------------------------------
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abstract_class IMemAlloc
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{
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private:
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// Release versions
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virtual void *Alloc( size_t nSize ) = 0;
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public:
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virtual void *Realloc( void *pMem, size_t nSize ) = 0;
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virtual void Free( void *pMem ) = 0;
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virtual void *Expand_NoLongerSupported( void *pMem, size_t nSize ) = 0;
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private:
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// Debug versions
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virtual void *Alloc( size_t nSize, const char *pFileName, int nLine ) = 0;
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public:
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virtual void *Realloc( void *pMem, size_t nSize, const char *pFileName, int nLine ) = 0;
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virtual void Free( void *pMem, const char *pFileName, int nLine ) = 0;
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virtual void *Expand_NoLongerSupported( void *pMem, size_t nSize, const char *pFileName, int nLine ) = 0;
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inline void *IndirectAlloc( size_t nSize ) { return Alloc( nSize ); }
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inline void *IndirectAlloc( size_t nSize, const char *pFileName, int nLine ) { return Alloc( nSize, pFileName, nLine ); }
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// Returns size of a particular allocation
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virtual size_t GetSize( void *pMem ) = 0;
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// Force file + line information for an allocation
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virtual void PushAllocDbgInfo( const char *pFileName, int nLine ) = 0;
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virtual void PopAllocDbgInfo() = 0;
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// FIXME: Remove when we have our own allocator
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// these methods of the Crt debug code is used in our codebase currently
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virtual int32 CrtSetBreakAlloc( int32 lNewBreakAlloc ) = 0;
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virtual int CrtSetReportMode( int nReportType, int nReportMode ) = 0;
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virtual int CrtIsValidHeapPointer( const void *pMem ) = 0;
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virtual int CrtIsValidPointer( const void *pMem, unsigned int size, int access ) = 0;
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virtual int CrtCheckMemory( void ) = 0;
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virtual int CrtSetDbgFlag( int nNewFlag ) = 0;
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virtual void CrtMemCheckpoint( _CrtMemState *pState ) = 0;
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// FIXME: Make a better stats interface
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virtual void DumpStats() = 0;
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virtual void DumpStatsFileBase( char const *pchFileBase ) = 0;
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virtual size_t ComputeMemoryUsedBy( char const *pchSubStr ) = 0;
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// FIXME: Remove when we have our own allocator
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virtual void* CrtSetReportFile( int nRptType, void* hFile ) = 0;
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virtual void* CrtSetReportHook( void* pfnNewHook ) = 0;
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virtual int CrtDbgReport( int nRptType, const char * szFile,
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int nLine, const char * szModule, const char * pMsg ) = 0;
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virtual int heapchk() = 0;
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virtual bool IsDebugHeap() = 0;
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virtual void GetActualDbgInfo( const char *&pFileName, int &nLine ) = 0;
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virtual void RegisterAllocation( const char *pFileName, int nLine, size_t nLogicalSize, size_t nActualSize, unsigned nTime ) = 0;
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virtual void RegisterDeallocation( const char *pFileName, int nLine, size_t nLogicalSize, size_t nActualSize, unsigned nTime ) = 0;
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virtual int GetVersion() = 0;
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virtual void CompactHeap() = 0;
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// Function called when malloc fails or memory limits hit to attempt to free up memory (can come in any thread)
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virtual MemAllocFailHandler_t SetAllocFailHandler( MemAllocFailHandler_t pfnMemAllocFailHandler ) = 0;
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virtual void DumpBlockStats( void * ) = 0;
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#if defined( _MEMTEST )
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virtual void SetStatsExtraInfo( const char *pMapName, const char *pComment ) = 0;
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#endif
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// Returns 0 if no failure, otherwise the size_t of the last requested chunk
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virtual size_t MemoryAllocFailed() = 0;
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virtual void CompactIncremental() = 0;
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virtual void OutOfMemory( size_t nBytesAttempted = 0 ) = 0;
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// Region-based allocations
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virtual void *RegionAlloc( int region, size_t nSize ) = 0;
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virtual void *RegionAlloc( int region, size_t nSize, const char *pFileName, int nLine ) = 0;
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// Replacement for ::GlobalMemoryStatus which accounts for unused memory in our system
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virtual void GlobalMemoryStatus( size_t *pUsedMemory, size_t *pFreeMemory ) = 0;
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};
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//-----------------------------------------------------------------------------
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// Singleton interface
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//-----------------------------------------------------------------------------
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MEM_INTERFACE IMemAlloc *g_pMemAlloc;
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//-----------------------------------------------------------------------------
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#ifdef MEMALLOC_REGIONS
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#ifndef MEMALLOC_REGION
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#define MEMALLOC_REGION 0
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#endif
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inline void *MemAlloc_Alloc( size_t nSize )
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{
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return g_pMemAlloc->RegionAlloc( MEMALLOC_REGION, nSize );
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}
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inline void *MemAlloc_Alloc( size_t nSize, const char *pFileName, int nLine )
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{
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return g_pMemAlloc->RegionAlloc( MEMALLOC_REGION, nSize, pFileName, nLine );
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}
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#else
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#undef MEMALLOC_REGION
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inline void *MemAlloc_Alloc( size_t nSize )
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{
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return g_pMemAlloc->IndirectAlloc( nSize );
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}
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inline void *MemAlloc_Alloc( size_t nSize, const char *pFileName, int nLine )
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{
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return g_pMemAlloc->IndirectAlloc( nSize, pFileName, nLine );
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}
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#endif
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//-----------------------------------------------------------------------------
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#ifdef MEMALLOC_REGIONS
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#else
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#endif
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inline bool ValueIsPowerOfTwo( size_t value ) // don't clash with mathlib definition
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{
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return (value & ( value - 1 )) == 0;
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}
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inline void *MemAlloc_AllocAlignedUnattributed( size_t size, size_t align )
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{
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unsigned char *pAlloc, *pResult;
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if (!ValueIsPowerOfTwo(align))
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return NULL;
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align = (align > sizeof(void *) ? align : sizeof(void *)) - 1;
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if ( (pAlloc = (unsigned char*)MemAlloc_Alloc( sizeof(void *) + align + size ) ) == (unsigned char*)NULL)
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return NULL;
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pResult = (unsigned char*)( (size_t)(pAlloc + sizeof(void *) + align ) & ~align );
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((unsigned char**)(pResult))[-1] = pAlloc;
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return (void *)pResult;
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}
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inline void *MemAlloc_AllocAlignedFileLine( size_t size, size_t align, const char *pszFile, int nLine )
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{
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unsigned char *pAlloc, *pResult;
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if (!ValueIsPowerOfTwo(align))
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return NULL;
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align = (align > sizeof(void *) ? align : sizeof(void *)) - 1;
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if ( (pAlloc = (unsigned char*)MemAlloc_Alloc( sizeof(void *) + align + size, pszFile, nLine ) ) == (unsigned char*)NULL)
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return NULL;
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pResult = (unsigned char*)( (size_t)(pAlloc + sizeof(void *) + align ) & ~align );
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((unsigned char**)(pResult))[-1] = pAlloc;
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return (void *)pResult;
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}
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#ifdef USE_MEM_DEBUG
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#define MemAlloc_AllocAligned( s, a ) MemAlloc_AllocAlignedFileLine( s, a, __FILE__, __LINE__ )
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#elif defined(USE_LIGHT_MEM_DEBUG)
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extern const char *g_pszModule;
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#define MemAlloc_AllocAligned( s, a ) MemAlloc_AllocAlignedFileLine( s, a, g_pszModule, 0 )
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#else
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#define MemAlloc_AllocAligned( s, a ) MemAlloc_AllocAlignedUnattributed( s, a )
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#endif
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inline void *MemAlloc_ReallocAligned( void *ptr, size_t size, size_t align )
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{
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if ( !ValueIsPowerOfTwo( align ) )
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return NULL;
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// Don't change alignment between allocation + reallocation.
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if ( ( (size_t)ptr & ( align - 1 ) ) != 0 )
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return NULL;
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if ( !ptr )
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return MemAlloc_AllocAligned( size, align );
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void *pAlloc, *pResult;
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// Figure out the actual allocation point
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pAlloc = ptr;
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pAlloc = (void *)(((size_t)pAlloc & ~( sizeof(void *) - 1 ) ) - sizeof(void *));
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pAlloc = *( (void **)pAlloc );
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// See if we have enough space
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size_t nOffset = (size_t)ptr - (size_t)pAlloc;
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size_t nOldSize = g_pMemAlloc->GetSize( pAlloc );
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if ( nOldSize >= size + nOffset )
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return ptr;
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pResult = MemAlloc_AllocAligned( size, align );
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memcpy( pResult, ptr, nOldSize - nOffset );
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g_pMemAlloc->Free( pAlloc );
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return pResult;
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}
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inline void MemAlloc_FreeAligned( void *pMemBlock )
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{
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void *pAlloc;
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if ( pMemBlock == NULL )
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return;
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pAlloc = pMemBlock;
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// pAlloc points to the pointer to starting of the memory block
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pAlloc = (void *)(((size_t)pAlloc & ~( sizeof(void *) - 1 ) ) - sizeof(void *));
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// pAlloc is the pointer to the start of memory block
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pAlloc = *( (void **)pAlloc );
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g_pMemAlloc->Free( pAlloc );
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}
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inline void MemAlloc_FreeAligned( void *pMemBlock, const char *pszFile, int nLine )
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{
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void *pAlloc;
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if ( pMemBlock == NULL )
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return;
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pAlloc = pMemBlock;
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// pAlloc points to the pointer to starting of the memory block
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pAlloc = (void *)(((size_t)pAlloc & ~( sizeof(void *) - 1 ) ) - sizeof(void *));
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// pAlloc is the pointer to the start of memory block
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pAlloc = *( (void **)pAlloc );
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g_pMemAlloc->Free( pAlloc, pszFile, nLine );
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}
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inline size_t MemAlloc_GetSizeAligned( void *pMemBlock )
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{
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void *pAlloc;
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if ( pMemBlock == NULL )
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return 0;
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pAlloc = pMemBlock;
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// pAlloc points to the pointer to starting of the memory block
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pAlloc = (void *)(((size_t)pAlloc & ~( sizeof(void *) - 1 ) ) - sizeof(void *));
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// pAlloc is the pointer to the start of memory block
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pAlloc = *((void **)pAlloc );
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return g_pMemAlloc->GetSize( pAlloc ) - ( (byte *)pMemBlock - (byte *)pAlloc );
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}
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struct aligned_tmp_t
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{
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// empty base class
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};
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// template here to allow adding alignment at levels of hierarchy that aren't the base
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template< int bytesAlignment = 16, class T = aligned_tmp_t >
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class CAlignedNewDelete : public T
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{
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public:
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void *operator new( size_t nSize )
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{
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return MemAlloc_AllocAligned( nSize, bytesAlignment );
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}
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void* operator new( size_t nSize, int nBlockUse, const char *pFileName, int nLine )
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{
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return MemAlloc_AllocAlignedFileLine( nSize, bytesAlignment, pFileName, nLine );
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}
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void operator delete(void *pData)
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{
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if ( pData )
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{
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MemAlloc_FreeAligned( pData );
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}
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}
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void operator delete( void* pData, int nBlockUse, const char *pFileName, int nLine )
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{
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if ( pData )
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{
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MemAlloc_FreeAligned( pData, pFileName, nLine );
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}
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}
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};
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//-----------------------------------------------------------------------------
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#if (defined(_DEBUG) || defined(USE_MEM_DEBUG))
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#define MEM_ALLOC_CREDIT_(tag) CMemAllocAttributeAlloction memAllocAttributeAlloction( tag, __LINE__ )
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#define MemAlloc_PushAllocDbgInfo( pszFile, line ) g_pMemAlloc->PushAllocDbgInfo( pszFile, line )
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#define MemAlloc_PopAllocDbgInfo() g_pMemAlloc->PopAllocDbgInfo()
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#define MemAlloc_RegisterAllocation( pFileName, nLine, nLogicalSize, nActualSize, nTime ) g_pMemAlloc->RegisterAllocation( pFileName, nLine, nLogicalSize, nActualSize, nTime )
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#define MemAlloc_RegisterDeallocation( pFileName, nLine, nLogicalSize, nActualSize, nTime ) g_pMemAlloc->RegisterDeallocation( pFileName, nLine, nLogicalSize, nActualSize, nTime )
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#else
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#define MEM_ALLOC_CREDIT_(tag) ((void)0)
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#define MemAlloc_PushAllocDbgInfo( pszFile, line ) ((void)0)
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#define MemAlloc_PopAllocDbgInfo() ((void)0)
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#define MemAlloc_RegisterAllocation( pFileName, nLine, nLogicalSize, nActualSize, nTime ) ((void)0)
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#define MemAlloc_RegisterDeallocation( pFileName, nLine, nLogicalSize, nActualSize, nTime ) ((void)0)
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#endif
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//-----------------------------------------------------------------------------
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class CMemAllocAttributeAlloction
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{
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public:
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CMemAllocAttributeAlloction( const char *pszFile, int line )
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{
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MemAlloc_PushAllocDbgInfo( pszFile, line );
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}
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~CMemAllocAttributeAlloction()
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{
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MemAlloc_PopAllocDbgInfo();
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}
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};
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#define MEM_ALLOC_CREDIT() MEM_ALLOC_CREDIT_(__FILE__)
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//-----------------------------------------------------------------------------
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#if defined(MSVC) && ( defined(_DEBUG) || defined(USE_MEM_DEBUG) )
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#pragma warning(disable:4290)
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#pragma warning(push)
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#include <typeinfo.h>
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// MEM_DEBUG_CLASSNAME is opt-in.
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// Note: typeid().name() is not threadsafe, so if the project needs to access it in multiple threads
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// simultaneously, it'll need a mutex.
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#if defined(_CPPRTTI) && defined(MEM_DEBUG_CLASSNAME)
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template <typename T> const char *MemAllocClassName( T *p )
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{
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static const char *pszName = typeid(*p).name(); // @TODO: support having debug heap ignore certain allocations, and ignore memory allocated here [5/7/2009 tom]
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return pszName;
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}
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#define MEM_ALLOC_CREDIT_CLASS() MEM_ALLOC_CREDIT_( MemAllocClassName( this ) )
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#define MEM_ALLOC_CLASSNAME(type) (typeid((type*)(0)).name())
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#else
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#define MEM_ALLOC_CREDIT_CLASS() MEM_ALLOC_CREDIT_( __FILE__ )
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#define MEM_ALLOC_CLASSNAME(type) (__FILE__)
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#endif
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// MEM_ALLOC_CREDIT_FUNCTION is used when no this pointer is available ( inside 'new' overloads, for example )
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#ifdef _MSC_VER
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#define MEM_ALLOC_CREDIT_FUNCTION() MEM_ALLOC_CREDIT_( __FUNCTION__ )
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#else
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#define MEM_ALLOC_CREDIT_FUNCTION() (__FILE__)
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#endif
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#pragma warning(pop)
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#else
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#define MEM_ALLOC_CREDIT_CLASS()
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#define MEM_ALLOC_CLASSNAME(type) NULL
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#define MEM_ALLOC_CREDIT_FUNCTION()
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#endif
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//-----------------------------------------------------------------------------
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#if (defined(_DEBUG) || defined(USE_MEM_DEBUG))
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struct MemAllocFileLine_t
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{
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const char *pszFile;
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int line;
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};
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#define MEMALLOC_DEFINE_EXTERNAL_TRACKING( tag ) \
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static CUtlMap<void *, MemAllocFileLine_t, int> s_##tag##Allocs( DefLessFunc( void *) ); \
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CUtlMap<void *, MemAllocFileLine_t, int> * g_p##tag##Allocs = &s_##tag##Allocs; \
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const char * g_psz##tag##Alloc = strcpy( (char *)MemAlloc_Alloc( strlen( #tag "Alloc" ) + 1, "intentional leak", 0 ), #tag "Alloc" );
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#define MEMALLOC_DECLARE_EXTERNAL_TRACKING( tag ) \
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extern CUtlMap<void *, MemAllocFileLine_t, int> * g_p##tag##Allocs; \
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extern const char * g_psz##tag##Alloc;
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#define MemAlloc_RegisterExternalAllocation( tag, p, size ) \
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if ( !p ) \
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; \
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else \
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{ \
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MemAllocFileLine_t fileLine = { g_psz##tag##Alloc, 0 }; \
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g_pMemAlloc->GetActualDbgInfo( fileLine.pszFile, fileLine.line ); \
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if ( fileLine.pszFile != g_psz##tag##Alloc ) \
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{ \
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g_p##tag##Allocs->Insert( p, fileLine ); \
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} \
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\
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MemAlloc_RegisterAllocation( fileLine.pszFile, fileLine.line, size, size, 0); \
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}
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#define MemAlloc_RegisterExternalDeallocation( tag, p, size ) \
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if ( !p ) \
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; \
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else \
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{ \
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MemAllocFileLine_t fileLine = { g_psz##tag##Alloc, 0 }; \
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CUtlMap<void *, MemAllocFileLine_t, int>::IndexType_t iRecordedFileLine = g_p##tag##Allocs->Find( p ); \
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if ( iRecordedFileLine != g_p##tag##Allocs->InvalidIndex() ) \
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{ \
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fileLine = (*g_p##tag##Allocs)[iRecordedFileLine]; \
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g_p##tag##Allocs->RemoveAt( iRecordedFileLine ); \
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} \
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\
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MemAlloc_RegisterDeallocation( fileLine.pszFile, fileLine.line, size, size, 0); \
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}
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#else
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#define MEMALLOC_DEFINE_EXTERNAL_TRACKING( tag )
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#define MEMALLOC_DECLARE_EXTERNAL_TRACKING( tag )
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#define MemAlloc_RegisterExternalAllocation( tag, p, size ) ((void)0)
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#define MemAlloc_RegisterExternalDeallocation( tag, p, size ) ((void)0)
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#endif
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//-----------------------------------------------------------------------------
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#endif // !STEAM && !NO_MALLOC_OVERRIDE
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//-----------------------------------------------------------------------------
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#if !defined(STEAM) && defined(NO_MALLOC_OVERRIDE)
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#include <malloc.h>
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|
#define MEM_ALLOC_CREDIT_(tag) ((void)0)
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#define MEM_ALLOC_CREDIT() MEM_ALLOC_CREDIT_(__FILE__)
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#define MEM_ALLOC_CREDIT_CLASS()
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#define MEM_ALLOC_CLASSNAME(type) NULL
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|
|
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#define MemAlloc_PushAllocDbgInfo( pszFile, line )
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|
#define MemAlloc_PopAllocDbgInfo()
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|
|
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#define MEMALLOC_DEFINE_EXTERNAL_TRACKING( tag )
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#define MemAlloc_RegisterExternalAllocation( tag, p, size ) ((void)0)
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#define MemAlloc_RegisterExternalDeallocation( tag, p, size ) ((void)0)
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|
|
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inline void *MemAlloc_AllocAligned( size_t size, size_t align )
|
|
{
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|
return (void *)_aligned_malloc( size, align );
|
|
}
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|
inline void *MemAlloc_AllocAligned( size_t size, size_t align, const char *pszFile, int nLine )
|
|
{
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|
pszFile = pszFile;
|
|
nLine = nLine;
|
|
return (void *)_aligned_malloc( size, align );
|
|
}
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|
|
|
inline void MemAlloc_FreeAligned( void *pMemBlock )
|
|
{
|
|
_aligned_free( pMemBlock );
|
|
}
|
|
inline void MemAlloc_FreeAligned( void *pMemBlock, const char *pszFile, int nLine )
|
|
{
|
|
pszFile = pszFile;
|
|
nLine = nLine;
|
|
_aligned_free( pMemBlock );
|
|
}
|
|
|
|
#endif // !STEAM && NO_MALLOC_OVERRIDE
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
|
|
|
|
// linux memory tracking via hooks.
|
|
#ifdef _POSIX
|
|
PLATFORM_INTERFACE void MemoryLogMessage( char const *s ); // throw a message into the memory log
|
|
PLATFORM_INTERFACE void EnableMemoryLogging( bool bOnOff );
|
|
PLATFORM_INTERFACE void DumpMemoryLog( int nThresh );
|
|
PLATFORM_INTERFACE void DumpMemorySummary( void );
|
|
PLATFORM_INTERFACE void SetMemoryMark( void );
|
|
PLATFORM_INTERFACE void DumpChangedMemory( int nThresh );
|
|
|
|
// ApproximateProcessMemoryUsage returns the approximate memory footprint of this process.
|
|
PLATFORM_INTERFACE size_t ApproximateProcessMemoryUsage( void );
|
|
#else
|
|
inline void MemoryLogMessage( char const * )
|
|
{
|
|
}
|
|
inline void EnableMemoryLogging( bool )
|
|
{
|
|
}
|
|
inline void DumpMemoryLog( int )
|
|
{
|
|
}
|
|
inline void DumpMemorySummary( void )
|
|
{
|
|
}
|
|
inline void SetMemoryMark( void )
|
|
{
|
|
}
|
|
inline void DumpChangedMemory( int )
|
|
{
|
|
}
|
|
inline size_t ApproximateProcessMemoryUsage( void )
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
|
|
#endif /* TIER0_MEMALLOC_H */
|