1HEADmaster

1 files changed, 1462 insertions, 0 deletions

diff --git a/public/tier0/memoverride.cpp b/public/tier0/memoverride.cpp
new file mode 100644
index 0000000..925f9d2
--- /dev/null
+++ b/public/tier0/memoverride.cpp
@@ -0,0 +1,1462 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Insert this file into all projects using the memory system
+// It will cause that project to use the shader memory allocator
+//
+// $NoKeywords: $
+//=============================================================================//
+
+
+#if !defined(STEAM) && !defined(NO_MALLOC_OVERRIDE)
+
+#undef PROTECTED_THINGS_ENABLE   // allow use of _vsnprintf
+
+#if defined( _WIN32 ) && !defined( _X360 )
+#define WIN_32_LEAN_AND_MEAN
+#include <windows.h>
+#endif
+
+#ifdef _WIN32
+// ARG: crtdbg is necessary for certain definitions below,
+// but it also redefines malloc as a macro in release.
+// To disable this, we gotta define _DEBUG before including it.. BLEAH!
+#define _DEBUG 1
+#include "crtdbg.h"
+#ifdef NDEBUG
+#undef _DEBUG
+#endif
+// Turn this back off in release mode.
+#ifdef NDEBUG
+#undef _DEBUG
+#endif
+#endif
+
+#include "tier0/dbg.h"
+#include "tier0/memalloc.h"
+#include <string.h>
+#include <stdio.h>
+#include "memdbgoff.h"
+
+
+#if POSIX
+#define __cdecl
+#endif
+
+#if defined( _WIN32 ) && !defined( _X360 )
+const char *MakeModuleFileName()
+{
+	if ( g_pMemAlloc && g_pMemAlloc->IsDebugHeap() )
+	{
+		char *pszModuleName = (char *)HeapAlloc( GetProcessHeap(), 0, MAX_PATH ); // small leak, debug only
+
+		MEMORY_BASIC_INFORMATION mbi;
+		static int dummy;
+		VirtualQuery( &dummy, &mbi, sizeof(mbi) );
+
+		GetModuleFileName( reinterpret_cast<HMODULE>(mbi.AllocationBase), pszModuleName, MAX_PATH );
+		char *pDot = strrchr( pszModuleName, '.' );
+		if ( pDot )
+		{
+			char *pSlash = strrchr( pszModuleName, '\\' );
+			if ( pSlash )
+			{
+				pszModuleName = pSlash + 1;
+				*pDot = 0;
+			}
+		}
+
+		return pszModuleName;
+	}
+	return NULL;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: helper class to detect when static construction has been done by the CRT
+//-----------------------------------------------------------------------------
+class CStaticConstructionCheck
+{
+public:
+	volatile bool m_bConstructed = true;
+};
+
+static CStaticConstructionCheck s_CheckStaticsConstructed;
+
+const char *GetModuleFileName()
+{
+#if !defined(_MSC_VER) || ( _MSC_VER >= 1900 ) //  VC 2015 and above, with the UCRT, will crash if you use a static before it is constructed
+	if ( !s_CheckStaticsConstructed.m_bConstructed )
+		return nullptr;
+#endif
+
+	static const char *pszOwner = MakeModuleFileName();
+	return pszOwner;
+}
+
+
+static void *AllocUnattributed( size_t nSize )
+{
+	const char *pszOwner = GetModuleFileName();
+
+	if ( !pszOwner )
+		return g_pMemAlloc->Alloc(nSize);
+	else
+		return g_pMemAlloc->Alloc(nSize, pszOwner, 0);
+}
+
+static void *ReallocUnattributed( void *pMem, size_t nSize )
+{
+	const char *pszOwner = GetModuleFileName();
+
+	if ( !pszOwner )
+		return g_pMemAlloc->Realloc(pMem, nSize);
+	else
+		return g_pMemAlloc->Realloc(pMem, nSize, pszOwner, 0);
+}
+
+#else
+#define MakeModuleFileName() NULL
+inline void *AllocUnattributed( size_t nSize )
+{
+	return g_pMemAlloc->Alloc(nSize);
+}
+
+inline void *ReallocUnattributed( void *pMem, size_t nSize )
+{
+	return g_pMemAlloc->Realloc(pMem, nSize);
+}
+#endif
+
+//-----------------------------------------------------------------------------
+// Standard functions in the CRT that we're going to override to call our allocator
+//-----------------------------------------------------------------------------
+#if defined(_WIN32) && !defined(_STATIC_LINKED)
+// this magic only works under win32
+// under linux this malloc() overrides the libc malloc() and so we
+// end up in a recursion (as g_pMemAlloc->Alloc() calls malloc)
+#if _MSC_VER >= 1900
+#define SUPPRESS_INVALID_PARAMETER_NO_INFO
+#define ALLOC_CALL  __declspec(restrict)
+#define FREE_CALL 
+#elif _MSC_VER >= 1400
+#define ALLOC_CALL _CRTNOALIAS _CRTRESTRICT 
+#define FREE_CALL _CRTNOALIAS 
+#else
+#define ALLOC_CALL
+#define FREE_CALL
+#endif
+
+extern "C"
+{
+	
+ALLOC_CALL void *malloc( size_t nSize )
+{
+	return AllocUnattributed( nSize );
+}
+
+FREE_CALL void free( void *pMem )
+{
+	g_pMemAlloc->Free(pMem);
+}
+
+ALLOC_CALL void *realloc( void *pMem, size_t nSize )
+{
+	return ReallocUnattributed( pMem, nSize );
+}
+
+ALLOC_CALL void *calloc( size_t nCount, size_t nElementSize )
+{
+	void *pMem = AllocUnattributed( nElementSize * nCount );
+	memset(pMem, 0, nElementSize * nCount);
+	return pMem;
+}
+
+} // end extern "C"
+
+//-----------------------------------------------------------------------------
+// Non-standard MSVC functions that we're going to override to call our allocator
+//-----------------------------------------------------------------------------
+extern "C"
+{
+
+// 64-bit
+#ifdef _WIN64
+void* __cdecl _malloc_base( size_t nSize )
+{
+	return AllocUnattributed( nSize );
+}
+#else
+ALLOC_CALL void *_malloc_base( size_t nSize )
+{
+	return AllocUnattributed( nSize );
+}
+#endif
+
+ALLOC_CALL void *_calloc_base( size_t nCount, size_t nSize )
+{
+	void *pMem = AllocUnattributed( nSize*nCount );
+	memset(pMem, 0, nSize*nCount );
+	return pMem;
+}
+
+ALLOC_CALL void *_realloc_base( void *pMem, size_t nSize )
+{
+	return ReallocUnattributed( pMem, nSize );
+}
+
+ALLOC_CALL void *_recalloc_base( void *pMem, size_t nSize )
+{
+	void *pMemOut = ReallocUnattributed( pMem, nSize );
+	if ( !pMem )
+	{
+		memset( pMemOut, 0, nSize );
+	}
+	return pMemOut;
+}
+
+void _free_base( void *pMem )
+{
+	g_pMemAlloc->Free(pMem);
+}
+
+void *__cdecl _expand_base( void *pMem, size_t nNewSize, int nBlockUse )
+{
+	Assert( 0 );
+	return NULL;
+}
+
+// crt
+void * __cdecl _malloc_crt(size_t size)
+{
+	return AllocUnattributed( size );
+}
+
+void * __cdecl _calloc_crt(size_t count, size_t size)
+{
+	return _calloc_base( count, size );
+}
+
+void * __cdecl _realloc_crt(void *ptr, size_t size)
+{
+	return _realloc_base( ptr, size );
+}
+
+void * __cdecl _recalloc_crt(void *ptr, size_t count, size_t size)
+{
+	return _recalloc_base( ptr, size * count );
+}
+
+ALLOC_CALL void * __cdecl _recalloc ( void * memblock, size_t count, size_t size )
+{
+	void *pMem = ReallocUnattributed( memblock, size * count );
+	if ( !memblock )
+	{
+		memset( pMem, 0, size * count );
+	}
+	return pMem;
+}
+
+size_t _msize_base( void *pMem )
+{
+	return g_pMemAlloc->GetSize(pMem);
+}
+
+size_t _msize( void *pMem )
+{
+	return _msize_base(pMem);
+}
+
+size_t msize( void *pMem )
+{
+	return g_pMemAlloc->GetSize(pMem);
+}
+
+void *__cdecl _heap_alloc( size_t nSize )
+{
+	return AllocUnattributed( nSize );
+}
+
+void *__cdecl _nh_malloc( size_t nSize, int )
+{
+	return AllocUnattributed( nSize );
+}
+
+void *__cdecl _expand( void *pMem, size_t nSize )
+{
+	Assert( 0 );
+	return NULL;
+}
+
+unsigned int _amblksiz = 16; //BYTES_PER_PARA;
+
+#if _MSC_VER >= 1400
+HANDLE _crtheap = (HANDLE)1;	// PatM Can't be 0 or CRT pukes
+int __active_heap = 1;
+#endif //  _MSC_VER >= 1400
+
+size_t __cdecl _get_sbh_threshold( void )
+{
+	return 0;
+}
+
+int __cdecl _set_sbh_threshold( size_t )
+{
+	return 0;
+}
+
+int _heapchk()
+{
+	return g_pMemAlloc->heapchk();
+}
+
+int _heapmin()
+{
+	return 1;
+}
+
+int __cdecl _heapadd( void *, size_t )
+{
+	return 0;
+}
+
+int __cdecl _heapset( unsigned int )
+{
+	return 0;
+}
+
+size_t __cdecl _heapused( size_t *, size_t * )
+{
+	return 0;
+}
+
+#ifdef _WIN32
+int __cdecl _heapwalk( _HEAPINFO * )
+{
+	return 0;
+}
+#endif
+
+} // end extern "C"
+
+
+//-----------------------------------------------------------------------------
+// Debugging functions that we're going to override to call our allocator
+// NOTE: These have to be here for release + debug builds in case we
+// link to a debug static lib!!!
+//-----------------------------------------------------------------------------
+
+extern "C"
+{
+	
+void *malloc_db( size_t nSize, const char *pFileName, int nLine )
+{
+	return g_pMemAlloc->Alloc(nSize, pFileName, nLine);
+}
+
+void free_db( void *pMem, const char *pFileName, int nLine )
+{
+	g_pMemAlloc->Free(pMem, pFileName, nLine);
+}
+
+void *realloc_db( void *pMem, size_t nSize, const char *pFileName, int nLine )
+{
+	return g_pMemAlloc->Realloc(pMem, nSize, pFileName, nLine);
+}
+	
+} // end extern "C"
+
+//-----------------------------------------------------------------------------
+// These methods are standard MSVC heap initialization + shutdown methods
+//-----------------------------------------------------------------------------
+extern "C"
+{
+
+#if !defined( _X360 )
+	int __cdecl _heap_init()
+	{
+		return g_pMemAlloc != NULL;
+	}
+
+	void __cdecl _heap_term()
+	{
+	}
+#endif
+
+}
+#endif
+
+
+//-----------------------------------------------------------------------------
+// Prevents us from using an inappropriate new or delete method,
+// ensures they are here even when linking against debug or release static libs
+//-----------------------------------------------------------------------------
+#ifndef NO_MEMOVERRIDE_NEW_DELETE
+#ifdef OSX
+void *__cdecl operator new( size_t nSize ) throw (std::bad_alloc)
+#else
+void *__cdecl operator new( size_t nSize )
+#endif
+{
+	return AllocUnattributed( nSize );
+}
+
+void *__cdecl operator new( size_t nSize, int nBlockUse, const char *pFileName, int nLine )
+{
+	return g_pMemAlloc->Alloc(nSize, pFileName, nLine);
+}
+
+#ifdef OSX
+void __cdecl operator delete( void *pMem ) throw()
+#else
+void __cdecl operator delete( void *pMem )
+#endif
+{
+	g_pMemAlloc->Free( pMem );
+}
+
+#ifdef OSX
+void operator delete(void*pMem, std::size_t)
+#else
+void operator delete(void*pMem, std::size_t) throw()
+#endif
+{
+	g_pMemAlloc->Free( pMem );
+}
+
+#ifdef OSX
+void *__cdecl operator new[]( size_t nSize ) throw (std::bad_alloc)
+#else
+void *__cdecl operator new[]( size_t nSize )
+#endif
+{
+	return AllocUnattributed( nSize );
+}
+
+void *__cdecl operator new[] ( size_t nSize, int nBlockUse, const char *pFileName, int nLine )
+{
+	return g_pMemAlloc->Alloc(nSize, pFileName, nLine);
+}
+
+#ifdef OSX
+void __cdecl operator delete[]( void *pMem ) throw()
+#else
+void __cdecl operator delete[]( void *pMem )
+#endif
+{
+	g_pMemAlloc->Free( pMem );
+}
+#endif
+
+
+//-----------------------------------------------------------------------------
+// Override some debugging allocation methods in MSVC
+// NOTE: These have to be here for release + debug builds in case we
+// link to a debug static lib!!!
+//-----------------------------------------------------------------------------
+#ifndef _STATIC_LINKED
+#ifdef _WIN32
+
+// This here just hides the internal file names, etc of allocations
+// made in the c runtime library
+#define CRT_INTERNAL_FILE_NAME "C-runtime internal"
+
+class CAttibCRT
+{
+public:
+	CAttibCRT(int nBlockUse) : m_nBlockUse(nBlockUse)
+	{
+		if (m_nBlockUse == _CRT_BLOCK)
+		{
+			g_pMemAlloc->PushAllocDbgInfo(CRT_INTERNAL_FILE_NAME, 0);
+		}
+	}
+	
+	~CAttibCRT()
+	{
+		if (m_nBlockUse == _CRT_BLOCK)
+		{
+			g_pMemAlloc->PopAllocDbgInfo();
+		}
+	}
+	
+private:
+	int m_nBlockUse;
+};
+
+
+#define AttribIfCrt() CAttibCRT _attrib(nBlockUse)
+#elif defined(POSIX)
+#define AttribIfCrt()
+#endif // _WIN32
+
+
+extern "C"
+{
+	
+void *__cdecl _nh_malloc_dbg( size_t nSize, int nFlag, int nBlockUse,
+								const char *pFileName, int nLine )
+{
+	AttribIfCrt();
+	return g_pMemAlloc->Alloc(nSize, pFileName, nLine);
+}
+
+void *__cdecl _malloc_dbg( size_t nSize, int nBlockUse,
+							const char *pFileName, int nLine )
+{
+	AttribIfCrt();
+	return g_pMemAlloc->Alloc(nSize, pFileName, nLine);
+}
+
+#if defined( _X360 )
+void *__cdecl _calloc_dbg_impl( size_t nNum, size_t nSize, int nBlockUse, 
+								const char * szFileName, int nLine, int * errno_tmp )
+{
+	return _calloc_dbg( nNum, nSize, nBlockUse, szFileName, nLine );
+}
+#endif
+
+void *__cdecl _calloc_dbg( size_t nNum, size_t nSize, int nBlockUse,
+							const char *pFileName, int nLine )
+{
+	AttribIfCrt();
+	void *pMem = g_pMemAlloc->Alloc(nSize * nNum, pFileName, nLine);
+	memset(pMem, 0, nSize * nNum);
+	return pMem;
+}
+
+void *__cdecl _calloc_dbg_impl( size_t nNum, size_t nSize, int nBlockUse, 
+	const char * szFileName, int nLine, int * errno_tmp )
+{
+	return _calloc_dbg( nNum, nSize, nBlockUse, szFileName, nLine );
+}
+
+void *__cdecl _realloc_dbg( void *pMem, size_t nNewSize, int nBlockUse,
+							const char *pFileName, int nLine )
+{
+	AttribIfCrt();
+	return g_pMemAlloc->Realloc(pMem, nNewSize, pFileName, nLine);
+}
+
+void *__cdecl _expand_dbg( void *pMem, size_t nNewSize, int nBlockUse,
+							const char *pFileName, int nLine )
+{
+	Assert( 0 );
+	return NULL;
+}
+
+void __cdecl _free_dbg( void *pMem, int nBlockUse )
+{
+	AttribIfCrt();
+	g_pMemAlloc->Free(pMem);
+}
+
+size_t __cdecl _msize_dbg( void *pMem, int nBlockUse )
+{
+#ifdef _WIN32
+	return _msize(pMem);
+#elif POSIX
+	Assert( "_msize_dbg unsupported" );
+	return 0;
+#endif
+}
+
+
+#ifdef _WIN32
+
+#if defined(_DEBUG) && _MSC_VER >= 1300
+// aligned base
+ALLOC_CALL void *__cdecl _aligned_malloc_base( size_t size, size_t align )
+{
+	return MemAlloc_AllocAligned( size, align );
+}
+
+inline void *MemAlloc_Unalign( void *pMemBlock )
+{
+	unsigned *pAlloc = (unsigned *)pMemBlock;
+
+	// pAlloc points to the pointer to starting of the memory block
+	pAlloc = (unsigned *)(((size_t)pAlloc & ~(sizeof( void * ) - 1)) - sizeof( void * ));
+
+	// pAlloc is the pointer to the start of memory block
+	return *((unsigned **)pAlloc);
+}
+
+ALLOC_CALL void *__cdecl _aligned_realloc_base( void *ptr, size_t size, size_t align )
+{
+	if ( ptr && !size )
+	{
+		MemAlloc_FreeAligned( ptr );
+		return NULL;
+	}
+
+	void *pNew = MemAlloc_AllocAligned( size, align );
+	if ( ptr )
+	{
+		void *ptrUnaligned = MemAlloc_Unalign( ptr );
+		size_t oldSize = g_pMemAlloc->GetSize( ptrUnaligned );
+		size_t oldOffset = (uintp)ptr - (uintp)ptrUnaligned;
+		size_t copySize = oldSize - oldOffset;
+		if ( copySize > size )
+			copySize = size;
+		memcpy( pNew, ptr, copySize );
+		MemAlloc_FreeAligned( ptr );
+	}
+	return pNew;
+}
+
+ALLOC_CALL void *__cdecl _aligned_recalloc_base( void *ptr, size_t size, size_t align )
+{
+	Error( "Unsupported function\n" );
+	return NULL;
+}
+
+FREE_CALL void __cdecl _aligned_free_base( void *ptr )
+{
+	MemAlloc_FreeAligned( ptr );
+}
+
+// aligned
+ALLOC_CALL void * __cdecl _aligned_malloc( size_t size, size_t align )
+{
+	return _aligned_malloc_base(size, align);
+}
+
+ALLOC_CALL void *__cdecl _aligned_realloc(void *memblock, size_t size, size_t align)
+{
+    return _aligned_realloc_base(memblock, size, align);
+}
+
+ALLOC_CALL void * __cdecl _aligned_recalloc( void * memblock, size_t count, size_t size, size_t align )
+{
+    return _aligned_recalloc_base(memblock, count * size, align);
+}
+
+FREE_CALL void __cdecl _aligned_free( void *memblock )
+{
+    _aligned_free_base(memblock);
+}
+
+// aligned offset base
+ALLOC_CALL void * __cdecl _aligned_offset_malloc_base( size_t size, size_t align, size_t offset )
+{
+	Assert( IsPC() || 0 );
+	return NULL;
+}
+
+ALLOC_CALL void * __cdecl _aligned_offset_realloc_base( void * memblock, size_t size, size_t align, size_t offset)
+{
+	Assert( IsPC() || 0 );
+	return NULL;
+}
+
+ALLOC_CALL void * __cdecl _aligned_offset_recalloc_base( void * memblock, size_t size, size_t align, size_t offset)
+{
+	Assert( IsPC() || 0 );
+	return NULL;
+}
+
+// aligned offset
+ALLOC_CALL void *__cdecl _aligned_offset_malloc(size_t size, size_t align, size_t offset)
+{
+    return _aligned_offset_malloc_base( size, align, offset );
+}
+
+ALLOC_CALL void *__cdecl _aligned_offset_realloc(void *memblock, size_t size, size_t align, size_t offset)
+{
+    return _aligned_offset_realloc_base( memblock, size, align, offset );
+}
+
+ALLOC_CALL void * __cdecl _aligned_offset_recalloc( void * memblock, size_t count, size_t size, size_t align, size_t offset )
+{
+    return _aligned_offset_recalloc_base( memblock, count * size, align, offset );
+}
+
+#endif // _MSC_VER >= 1400
+
+#endif
+
+} // end extern "C"
+
+
+//-----------------------------------------------------------------------------
+// Override some the _CRT debugging allocation methods in MSVC
+//-----------------------------------------------------------------------------
+#ifdef _WIN32
+
+extern "C"
+{
+	
+int _CrtDumpMemoryLeaks(void)
+{
+	return 0;
+}
+
+_CRT_DUMP_CLIENT _CrtSetDumpClient( _CRT_DUMP_CLIENT dumpClient )
+{
+	return NULL;
+}
+
+int _CrtSetDbgFlag( int nNewFlag )
+{
+	return g_pMemAlloc->CrtSetDbgFlag( nNewFlag );
+}
+
+// 64-bit port.
+#define AFNAME(var) __p_##var
+#define AFRET(var)  &var
+#if defined(_crtDbgFlag)
+#undef _crtDbgFlag
+#endif
+#if defined(_crtBreakAlloc)
+#undef _crtBreakAlloc
+#endif
+
+int _crtDbgFlag = _CRTDBG_ALLOC_MEM_DF;
+int* AFNAME(_crtDbgFlag)(void)
+{
+	return AFRET(_crtDbgFlag);
+}
+
+long _crtBreakAlloc;      /* Break on this allocation */
+long* AFNAME(_crtBreakAlloc) (void)
+{
+	return AFRET(_crtBreakAlloc);
+}
+
+void __cdecl _CrtSetDbgBlockType( void *pMem, int nBlockUse )
+{
+	DebuggerBreak();
+}
+
+_CRT_ALLOC_HOOK __cdecl _CrtSetAllocHook( _CRT_ALLOC_HOOK pfnNewHook )
+{
+	DebuggerBreak();
+	return NULL;
+}
+
+long __cdecl _CrtSetBreakAlloc( long lNewBreakAlloc )
+{
+	return g_pMemAlloc->CrtSetBreakAlloc( lNewBreakAlloc );
+}
+					 
+int __cdecl _CrtIsValidHeapPointer( const void *pMem )
+{
+	return g_pMemAlloc->CrtIsValidHeapPointer( pMem );
+}
+
+int __cdecl _CrtIsValidPointer( const void *pMem, unsigned int size, int access )
+{
+	return g_pMemAlloc->CrtIsValidPointer( pMem, size, access );
+}
+
+int __cdecl _CrtCheckMemory( void )
+{
+	// FIXME: Remove this when we re-implement the heap
+	return g_pMemAlloc->CrtCheckMemory( );
+}
+
+int __cdecl _CrtIsMemoryBlock( const void *pMem, unsigned int nSize,
+    long *plRequestNumber, char **ppFileName, int *pnLine )
+{
+	DebuggerBreak();
+	return 1;
+}
+
+int __cdecl _CrtMemDifference( _CrtMemState *pState, const _CrtMemState * oldState, const _CrtMemState * newState )
+{
+	DebuggerBreak();
+	return FALSE;
+}
+
+void __cdecl _CrtMemDumpStatistics( const _CrtMemState *pState )
+{
+	DebuggerBreak();	
+}
+
+void __cdecl _CrtMemCheckpoint( _CrtMemState *pState )
+{
+	// FIXME: Remove this when we re-implement the heap
+	g_pMemAlloc->CrtMemCheckpoint( pState );
+}
+
+void __cdecl _CrtMemDumpAllObjectsSince( const _CrtMemState *pState )
+{
+	DebuggerBreak();
+}
+
+void __cdecl _CrtDoForAllClientObjects( void (*pfn)(void *, void *), void * pContext )
+{
+	DebuggerBreak();
+}
+
+
+//-----------------------------------------------------------------------------
+// Methods in dbgrpt.cpp 
+//-----------------------------------------------------------------------------
+long _crtAssertBusy = -1;
+
+int __cdecl _CrtSetReportMode( int nReportType, int nReportMode )
+{
+	return g_pMemAlloc->CrtSetReportMode( nReportType, nReportMode );
+}
+
+_HFILE __cdecl _CrtSetReportFile( int nRptType, _HFILE hFile )
+{
+	return (_HFILE)g_pMemAlloc->CrtSetReportFile( nRptType, hFile );
+}
+
+_CRT_REPORT_HOOK __cdecl _CrtSetReportHook( _CRT_REPORT_HOOK pfnNewHook )
+{
+	return (_CRT_REPORT_HOOK)g_pMemAlloc->CrtSetReportHook( pfnNewHook );
+}
+
+int __cdecl _CrtDbgReport( int nRptType, const char * szFile,
+        int nLine, const char * szModule, const char * szFormat, ... )
+{
+	static char output[1024];
+	va_list args;
+	if ( szFormat )
+	{
+		va_start( args, szFormat );
+		_vsnprintf( output, sizeof( output )-1, szFormat, args );
+		va_end( args );
+	}
+	else
+	{
+		output[0] = 0;
+	}
+
+	return g_pMemAlloc->CrtDbgReport( nRptType, szFile, nLine, szModule, output );
+}
+
+#if _MSC_VER >= 1400
+
+// Configure VS so that it will record crash dumps on pure-call violations
+// and invalid parameter handlers.
+// If you manage to call a pure-virtual function (easily done if you indirectly
+// call a pure-virtual function from the base-class constructor or destructor)
+// or if you invoke the invalid parameter handler (printf(NULL); is one way)
+// then no crash dump will be created.
+// This crash redirects the handlers for these two events so that crash dumps
+// are created.
+//
+// The ErrorHandlerRegistrar object must be in memoverride.cpp so that it will
+// be placed in every DLL and EXE. This is required because each DLL and EXE
+// gets its own copy of the C run-time and these overrides are set on a per-CRT
+// basis.
+
+/*
+// This sample code will cause pure-call and invalid_parameter violations and
+// was used for testing:
+class Base
+{
+public:
+	virtual void PureFunction() = 0;
+
+	Base()
+	{
+		NonPureFunction();
+	}
+
+	void NonPureFunction()
+	{
+		PureFunction();
+	}
+};
+
+class Derived : public Base
+{
+public:
+	void PureFunction() OVERRIDE
+	{
+	}
+};
+
+void PureCallViolation()
+{
+	Derived derived;
+}
+
+void InvalidParameterViolation()
+{
+	printf( NULL );
+}
+*/
+
+#include <stdlib.h>
+#include "minidump.h"
+
+// Disable compiler optimizations. If we don't do this then VC++ generates code
+// that confuses the Visual Studio debugger and causes it to display completely
+// random call stacks. That makes the minidumps excruciatingly hard to understand.
+#pragma optimize("", off)
+
+// Write a minidump file, unless running under the debugger in which case break
+// into the debugger.
+// The "int dummy" parameter is so that the callers can be unique so that the
+// linker won't use its /opt:icf optimization to collapse them together. This
+// makes reading the call stack easier.
+void __cdecl WriteMiniDumpOrBreak( int dummy, const char *pchName )
+{
+	if ( Plat_IsInDebugSession() )
+	{
+		__debugbreak();
+		// Continue at your peril...
+	}
+	else
+	{
+		WriteMiniDump( pchName );
+		// Call Plat_ExitProcess so we don't continue in a bad state. 
+		TerminateProcess(GetCurrentProcess(), 0);
+	}
+}
+
+void __cdecl VPureCall()
+{
+	WriteMiniDumpOrBreak( 0, "PureClass" );
+}
+
+void VInvalidParameterHandler(const wchar_t* expression,
+   const wchar_t* function, 
+   const wchar_t* file, 
+   unsigned int line, 
+   uintptr_t pReserved)
+{
+	WriteMiniDumpOrBreak( 1, "InvalidParameterHandler" );
+}
+
+// Restore compiler optimizations.
+#pragma optimize("", on)
+
+// Helper class for registering error callbacks. See above for details.
+class ErrorHandlerRegistrar
+{
+public:
+	ErrorHandlerRegistrar();
+} s_ErrorHandlerRegistration;
+
+ErrorHandlerRegistrar::ErrorHandlerRegistrar()
+{
+	_set_purecall_handler( VPureCall );
+	_set_invalid_parameter_handler( VInvalidParameterHandler );
+}
+
+#if defined( _DEBUG )
+ 
+// wrapper which passes no debug info; not available in debug
+#ifndef	SUPPRESS_INVALID_PARAMETER_NO_INFO
+void __cdecl _invalid_parameter_noinfo(void)
+{
+    Assert(0);
+}
+#endif
+
+#endif /* defined( _DEBUG ) */
+
+#if defined( _DEBUG ) || defined( USE_MEM_DEBUG )
+
+int __cdecl __crtMessageWindowW( int nRptType, const wchar_t * szFile, const wchar_t * szLine,
+								 const wchar_t * szModule, const wchar_t * szUserMessage )
+{
+	Assert(0);
+	return 0;
+}
+
+int __cdecl _CrtDbgReportV( int nRptType, const wchar_t *szFile, int nLine, 
+						    const wchar_t *szModule, const wchar_t *szFormat, va_list arglist )
+{
+	Assert(0);
+	return 0;
+}
+
+int __cdecl _CrtDbgReportW( int nRptType, const wchar_t *szFile, int nLine, 
+						    const wchar_t *szModule, const wchar_t *szFormat, ...)
+{
+	Assert(0);
+	return 0;
+}
+
+#if _MSC_VER >= 1900
+int __cdecl _VCrtDbgReportA( int nRptType, void* ReturnAddress, const char * szFile, int nLine,
+							 const char * szModule, const char * szFormat, va_list arglist )
+{
+	Assert(0);
+	return 0;
+}
+#else
+int __cdecl _VCrtDbgReportA( int nRptType, const wchar_t * szFile, int nLine,
+	const wchar_t * szModule, const wchar_t * szFormat, va_list arglist )
+{
+	Assert( 0 );
+	return 0;
+}
+#endif
+
+int __cdecl _CrtSetReportHook2( int mode, _CRT_REPORT_HOOK pfnNewHook )
+{
+	_CrtSetReportHook( pfnNewHook );
+	return 0;
+}
+ 
+
+#endif  /* defined( _DEBUG ) || defined( USE_MEM_DEBUG ) */
+
+extern "C" int __crtDebugCheckCount = FALSE;
+
+extern "C" int __cdecl _CrtSetCheckCount( int fCheckCount )
+{
+    int oldCheckCount = __crtDebugCheckCount;
+    return oldCheckCount;
+}
+
+extern "C" int __cdecl _CrtGetCheckCount( void )
+{
+    return __crtDebugCheckCount;
+}
+
+// aligned offset debug
+extern "C" void * __cdecl _aligned_offset_recalloc_dbg( void * memblock, size_t count, size_t size, size_t align, size_t offset, const char * f_name, int line_n )
+{
+	Assert( IsPC() || 0 );
+	void *pMem = ReallocUnattributed( memblock, size * count );
+	if ( !memblock )
+	{
+		memset( pMem, 0, size * count );
+	}
+	return pMem;
+}
+
+extern "C" void * __cdecl _aligned_recalloc_dbg( void *memblock, size_t count, size_t size, size_t align, const char * f_name, int line_n )
+{
+    return _aligned_offset_recalloc_dbg(memblock, count, size, align, 0, f_name, line_n);
+}
+
+extern "C" void * __cdecl _recalloc_dbg ( void * memblock, size_t count, size_t size, int nBlockUse, const char * szFileName, int nLine )
+{
+	return _aligned_offset_recalloc_dbg(memblock, count, size, 0, 0, szFileName, nLine);
+}
+
+_CRT_REPORT_HOOK __cdecl _CrtGetReportHook( void )
+{
+	return NULL;
+}
+
+#endif
+int __cdecl _CrtReportBlockType(const void * pUserData)
+{
+	return 0;
+}
+
+
+} // end extern "C"
+#endif // _WIN32
+
+// Most files include this file, so when it's used it adds an extra .ValveDbg section,
+// to help identify debug binaries.
+#ifdef _WIN32
+	#ifndef NDEBUG // _DEBUG
+		#pragma data_seg("ValveDBG") 
+		volatile const char* DBG = "*** DEBUG STUB ***";                     
+	#endif
+#endif
+
+#endif
+
+// Extras added prevent dbgheap.obj from being included - DAL
+#ifdef _WIN32
+
+extern "C"
+{
+size_t __crtDebugFillThreshold = 0;
+
+extern "C" void * __cdecl _heap_alloc_base (size_t size) {
+    assert(0);
+	return NULL;
+}
+
+
+void * __cdecl _heap_alloc_dbg( size_t nSize, int nBlockUse, const char * szFileName, int nLine)
+{
+		return _heap_alloc(nSize);
+}
+
+// 64-bit
+#ifdef _WIN64
+static void * __cdecl realloc_help( void * pUserData, size_t * pnNewSize, int nBlockUse,const char * szFileName,
+				int nLine, int fRealloc )
+{
+		assert(0); // Shouldn't be needed
+		return NULL;
+}
+#else
+static void * __cdecl realloc_help( void * pUserData, size_t nNewSize, int nBlockUse, const char * szFileName,
+                  int nLine, int fRealloc)
+{
+		assert(0); // Shouldn't be needed
+		return NULL;
+}
+#endif
+
+void __cdecl _free_nolock( void * pUserData)
+{
+		// I don't think the second param is used in memoverride
+        _free_dbg(pUserData, 0);
+}
+
+void __cdecl _free_dbg_nolock( void * pUserData, int nBlockUse)
+{
+        _free_dbg(pUserData, 0);
+}
+
+_CRT_ALLOC_HOOK __cdecl _CrtGetAllocHook ( void)
+{
+		assert(0); 
+        return NULL;
+}
+
+static int __cdecl CheckBytes( unsigned char * pb, unsigned char bCheck, size_t nSize)
+{
+        int bOkay = TRUE;
+        return bOkay;
+}
+
+
+_CRT_DUMP_CLIENT __cdecl _CrtGetDumpClient ( void)
+{
+		assert(0); 
+        return NULL;
+}
+
+#if _MSC_VER >= 1400
+static void __cdecl _printMemBlockData( _locale_t plocinfo, _CrtMemBlockHeader * pHead)
+{
+}
+
+static void __cdecl _CrtMemDumpAllObjectsSince_stat( const _CrtMemState * state, _locale_t plocinfo)
+{
+}
+#endif
+void * __cdecl _aligned_malloc_dbg( size_t size, size_t align, const char * f_name, int line_n)
+{
+    return _aligned_malloc(size, align);
+}
+
+void * __cdecl _aligned_realloc_dbg( void *memblock, size_t size, size_t align,
+               const char * f_name, int line_n)
+{
+    return _aligned_realloc(memblock, size, align);
+}
+
+void * __cdecl _aligned_offset_malloc_dbg( size_t size, size_t align, size_t offset,
+              const char * f_name, int line_n)
+{
+    return _aligned_offset_malloc(size, align, offset);
+}
+
+void * __cdecl _aligned_offset_realloc_dbg( void * memblock, size_t size, size_t align, 
+                 size_t offset, const char * f_name, int line_n)
+{
+    return _aligned_offset_realloc(memblock, size, align, offset);
+}
+
+void __cdecl _aligned_free_dbg( void * memblock)
+{
+    _aligned_free(memblock);
+}
+
+#if _MSC_VER < 1900
+size_t __cdecl _CrtSetDebugFillThreshold( size_t _NewDebugFillThreshold)
+{
+	assert(0);
+    return 0;
+}
+
+//===========================================
+// NEW!!! 64-bit
+
+char * __cdecl _strdup ( const char * string )
+{
+	int nSize = (int)strlen(string) + 1;
+	// Check for integer underflow.
+	if ( nSize <= 0 )
+		return NULL;
+	char *pCopy = (char*)AllocUnattributed( nSize );
+	if ( pCopy )
+		memcpy( pCopy, string, nSize );
+	return pCopy;
+}
+#endif
+
+#if 0
+_TSCHAR * __cdecl _tfullpath_dbg ( _TSCHAR *UserBuf, const _TSCHAR *path, size_t maxlen, int nBlockUse, const char * szFileName, int nLine )
+{
+	Assert(0);
+	return NULL;
+}
+
+_TSCHAR * __cdecl _tfullpath ( _TSCHAR *UserBuf, const _TSCHAR *path, size_t maxlen )
+{
+	Assert(0);
+	return NULL;
+}
+
+_TSCHAR * __cdecl _tgetdcwd_lk_dbg ( int drive, _TSCHAR *pnbuf, int maxlen, int nBlockUse, const char * szFileName, int nLine )
+{
+	Assert(0);
+	return NULL;
+}
+
+_TSCHAR * __cdecl _tgetdcwd_nolock ( int drive, _TSCHAR *pnbuf, int maxlen )
+{
+	Assert(0);
+	return NULL;
+}
+
+errno_t __cdecl _tdupenv_s_helper ( _TSCHAR **pBuffer, size_t *pBufferSizeInTChars, const _TSCHAR *varname, int nBlockUse, const char * szFileName, int nLine )
+{
+	Assert(0);
+	return 0;
+}
+
+errno_t __cdecl _tdupenv_s_helper ( _TSCHAR **pBuffer, size_t *pBufferSizeInTChars, const _TSCHAR *varname )
+{
+	Assert(0);
+	return 0;
+}
+
+_TSCHAR * __cdecl _ttempnam_dbg ( const _TSCHAR *dir, const _TSCHAR *pfx, int nBlockUse, const char * szFileName, int nLine )
+{
+	Assert(0);
+	return 0;
+}
+
+_TSCHAR * __cdecl _ttempnam ( const _TSCHAR *dir, const _TSCHAR *pfx )
+{
+	Assert(0);
+	return 0;
+}
+
+wchar_t * __cdecl _wcsdup_dbg ( const wchar_t * string, int nBlockUse, const char * szFileName, int nLine )
+{
+	Assert(0);
+	return 0;
+}
+
+wchar_t * __cdecl _wcsdup ( const wchar_t * string )
+{
+	Assert(0);
+	return 0;
+}
+#endif
+} // end extern "C"
+
+#if _MSC_VER >= 1400
+
+//-----------------------------------------------------------------------------
+// 	XBox Memory Allocator Override
+//-----------------------------------------------------------------------------
+#if defined( _X360 )
+#if defined( _DEBUG ) || defined( USE_MEM_DEBUG )
+#include "utlmap.h"
+
+MEMALLOC_DEFINE_EXTERNAL_TRACKING( XMem );
+
+CThreadFastMutex g_XMemAllocMutex;
+
+void XMemAlloc_RegisterAllocation( void *p, DWORD dwAllocAttributes )
+{
+	if ( !g_pMemAlloc )
+	{
+		// core xallocs cannot be journaled until system is ready
+		return;
+	}
+
+	AUTO_LOCK_FM( g_XMemAllocMutex );
+	int size = XMemSize( p, dwAllocAttributes );
+	MemAlloc_RegisterExternalAllocation( XMem, p, size );
+}
+
+void XMemAlloc_RegisterDeallocation( void *p, DWORD dwAllocAttributes )
+{
+	if ( !g_pMemAlloc )
+	{
+		// core xallocs cannot be journaled until system is ready
+		return;
+	}
+
+	AUTO_LOCK_FM( g_XMemAllocMutex );
+	int size = XMemSize( p, dwAllocAttributes );
+	MemAlloc_RegisterExternalDeallocation( XMem, p, size );
+}
+
+#else
+
+#define XMemAlloc_RegisterAllocation( p, a )	((void)0)
+#define XMemAlloc_RegisterDeallocation( p, a )	((void)0)
+
+#endif
+
+//-----------------------------------------------------------------------------
+//	XMemAlloc
+//
+//	XBox Memory Allocator Override
+//-----------------------------------------------------------------------------
+LPVOID WINAPI XMemAlloc( SIZE_T dwSize, DWORD dwAllocAttributes )
+{
+	LPVOID	ptr;
+	XALLOC_ATTRIBUTES *pAttribs = (XALLOC_ATTRIBUTES *)&dwAllocAttributes;
+	bool bPhysical = ( pAttribs->dwMemoryType == XALLOC_MEMTYPE_PHYSICAL );
+
+	if ( !bPhysical && !pAttribs->dwHeapTracksAttributes && pAttribs->dwAllocatorId != eXALLOCAllocatorId_XUI )
+	{
+		MEM_ALLOC_CREDIT();
+		switch ( pAttribs->dwAlignment )
+		{
+		case XALLOC_ALIGNMENT_4:
+			ptr = g_pMemAlloc->Alloc( dwSize );
+			break;
+		case XALLOC_ALIGNMENT_8:
+			ptr = MemAlloc_AllocAligned( dwSize, 8 );
+			break;
+		case XALLOC_ALIGNMENT_DEFAULT:
+		case XALLOC_ALIGNMENT_16:
+		default:
+			ptr = MemAlloc_AllocAligned( dwSize, 16 );
+			break;
+		}
+		if ( pAttribs->dwZeroInitialize != 0 )
+		{
+			memset( ptr, 0, XMemSize( ptr, dwAllocAttributes ) );
+		}
+		return ptr;
+	}
+
+	ptr = XMemAllocDefault( dwSize, dwAllocAttributes );
+	if ( ptr )
+	{
+		XMemAlloc_RegisterAllocation( ptr, dwAllocAttributes );
+	}
+
+	return ptr;
+}
+
+//-----------------------------------------------------------------------------
+//	XMemFree
+//
+//	XBox Memory Allocator Override
+//-----------------------------------------------------------------------------
+VOID WINAPI XMemFree( PVOID pAddress, DWORD dwAllocAttributes )
+{
+	if ( !pAddress )
+	{
+		return;
+	}
+
+	XALLOC_ATTRIBUTES *pAttribs = (XALLOC_ATTRIBUTES *)&dwAllocAttributes;
+	bool bPhysical = ( pAttribs->dwMemoryType == XALLOC_MEMTYPE_PHYSICAL );
+
+	if ( !bPhysical && !pAttribs->dwHeapTracksAttributes && pAttribs->dwAllocatorId != eXALLOCAllocatorId_XUI )
+	{
+		switch ( pAttribs->dwAlignment )
+		{
+		case XALLOC_ALIGNMENT_4:
+			return g_pMemAlloc->Free( pAddress );
+		default:
+			return MemAlloc_FreeAligned( pAddress );
+		}
+		return;
+	}
+
+	XMemAlloc_RegisterDeallocation( pAddress, dwAllocAttributes );
+
+	XMemFreeDefault( pAddress, dwAllocAttributes );
+}
+
+//-----------------------------------------------------------------------------
+//	XMemSize
+//
+//	XBox Memory Allocator Override
+//-----------------------------------------------------------------------------
+SIZE_T WINAPI XMemSize( PVOID pAddress, DWORD dwAllocAttributes )
+{
+	XALLOC_ATTRIBUTES *pAttribs = (XALLOC_ATTRIBUTES *)&dwAllocAttributes;
+	bool bPhysical = ( pAttribs->dwMemoryType == XALLOC_MEMTYPE_PHYSICAL );
+
+	if ( !bPhysical && !pAttribs->dwHeapTracksAttributes && pAttribs->dwAllocatorId != eXALLOCAllocatorId_XUI )
+	{
+		switch ( pAttribs->dwAlignment )
+		{
+		case XALLOC_ALIGNMENT_4:
+			return g_pMemAlloc->GetSize( pAddress );
+		default:
+			return MemAlloc_GetSizeAligned( pAddress );
+		}
+	}
+
+	return XMemSizeDefault( pAddress, dwAllocAttributes );
+}
+#endif 
+
+#pragma warning(push)
+#pragma warning(disable: 4483)
+#if _MSC_FULL_VER >= 140050415
+#define _NATIVE_STARTUP_NAMESPACE  __identifier("<CrtImplementationDetails>")
+#else  /* _MSC_FULL_VER >= 140050415 */
+#define _NATIVE_STARTUP_NAMESPACE __CrtImplementationDetails
+#endif  /* _MSC_FULL_VER >= 140050415 */
+
+namespace _NATIVE_STARTUP_NAMESPACE
+{
+    class NativeDll
+    {
+    private:
+        static const unsigned int ProcessDetach   = 0;
+        static const unsigned int ProcessAttach   = 1;
+        static const unsigned int ThreadAttach    = 2;
+        static const unsigned int ThreadDetach    = 3;
+        static const unsigned int ProcessVerifier = 4;
+
+    public:
+
+        inline static bool IsInDllMain()
+        {
+            return false;
+        }
+
+        inline static bool IsInProcessAttach()
+        {
+            return false;
+        }
+
+        inline static bool IsInProcessDetach()
+        {
+            return false;
+        }
+
+        inline static bool IsInVcclrit()
+        {
+            return false;
+        }
+
+        inline static bool IsSafeForManagedCode()
+        {
+            if (!IsInDllMain())
+            {
+                return true;
+            }
+
+            if (IsInVcclrit())
+            {
+                return true;
+            }
+
+            return !IsInProcessAttach() && !IsInProcessDetach();
+        }
+    };
+}
+#pragma warning(pop)
+
+#endif // _MSC_VER >= 1400
+
+#endif // !STEAM && !NO_MALLOC_OVERRIDE
+
+#endif // _WIN32