Source code of Windows XP (NT5)
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//
// Copyright 2001 - Microsoft Corporation
//
// Created By:
// Geoff Pease (GPease) 23-JAN-2001
//
// Maintained By:
// Geoff Pease (GPease) 23-JAN-2001
//
// Notes:
// This is X86 specific for now. It can be adapted for other platforms
// as required. Since today, most of our developement is done on the
// X86 platform, there is not a need to do this (yet).
//
// Define NO_TRACE_INTERFACES to disable interface tracking in DEBUG
// builds.
//
// Define TRACE_INTERFACES_ENABLED to enable interface tracking in RETAIL
// builds.
//
#pragma once
//
// Combine this complex expression in to one simple #define.
//
#if ( DBG==1 || defined( _DEBUG ) ) && !defined( NO_TRACE_INTERFACES )
#define TRACE_INTERFACES_ENABLED
#endif
#if defined( _X86_ ) && defined( TRACE_INTERFACES_ENABLED )
#define FULL_TRACE_INTERFACES_ENABLED
#endif
#if defined( TRACE_INTERFACES_ENABLED )
///////////////////////////////////////
//
// BEGIN DEBUG INTERFACE TRACKING
//
#pragma message("BUILD: Interface Tracking Enabled")
//
// DLL Interface Table Macros
//
#define BEGIN_INTERFACETABLE const INTERFACE_TABLE g_itTable = {
#define DEFINE_INTERFACE( _iid, _name, _count ) { &_iid, TEXT(_name), _count },
#define END_INTERFACETABLE { NULL, NULL, NULL } };
///////////////////////////////////////
//
// TraceInterface definitions
//
typedef struct {
const struct _GUID * riid;
LPCTSTR pszName;
ULONG cFunctions;
} INTERFACE_TABLE[], INTERFACE_TABLE_ENTRY, * LPINTERFACE_TABLE_ENTRY;
//
// Interface Table
//
// This table is used in builds in which interface tracking was turned on. It
// is used to map an name with a particular IID. It also helps the CITracker
// determine the size of the interfaces Vtable to mimic (haven't figured out
// a runtime or compile time way to do this).
//
extern const INTERFACE_TABLE g_itTable;
///////////////////////////////////////
//
// IID --> Name lookup stuff
//
#if defined( DEBUG )
static const cchGUID_STRING_SIZE = sizeof("{12345678-1234-1234-1234-123456789012}");
#define PszTraceFindInterface( _riid, _szguid ) \
( g_tfModule ? PszDebugFindInterface( _riid, _szguid ) : TEXT("riid") )
LPCTSTR
PszDebugFindInterface(
REFIID riidIn,
LPTSTR pszGuidBufOut
);
#endif // DEBUG
//
// END DEBUG INTERFACE TRACKING
//
///////////////////////////////////////
#else // !TRACE_INTERFACES_ENABLED
///////////////////////////////////////
//
// BEGIN DEBUG WITHOUT INTERFACE TRACKING
//
#define BEGIN_INTERFACETABLE
#define DEFINE_INTERFACE( _iid, _name, _count )
#define END_INTERFACETABLE
//
// END DEBUG WITHOUT INTERFACE TRACKING
//
///////////////////////////////////////
#endif // TRACE_INTERFACES_ENABLED
#if defined( FULL_TRACE_INTERFACES_ENABLED )
///////////////////////////////////////
//
// BEGIN DEBUG INTERFACE TRACKING
//
#pragma message("BUILD: Full Interface Tracking Enabled")
//////////////////////////////////////////////////////////////////////////////
//
// MACRO
// _interface *
// TraceInterface(
// _nameIn,
// _interface,
// _punkIn,
// _addrefIn
// )
//
// Description:
// This is the macro wrapper for DebugTrackInterface( ) which is only
// defined in DEBUG builds. Using the TraceInterface( ) macro eliminates
// the need for specifying compile time parameters as well as the
// #ifdef/#endif definitions around the call.
//
// This "routine" creates a CITracker for the interface specified by
// _interface and returns a new punk to the interface. You specify the
// initial ref count on the interface using the _addrefIn parameter. You
// can assign a name to the object that the interface refereneces in the
// _nameIn parameter. The returned punk will be cast to the _interface
// parameter.
//
// If there is insufficent memory to create the CITracker, the _punkIn
// will be returned instead. There is no need to check the output for
// failures as they are all handle internally to provide worry-free use.
//
// If you are getting an AV after adding tracing to the interface, this
// usually indicates that the Interface Table entry for that interface
// is incorrect. Double check the number of methods on the interface
// against the tables.
//
// Arguments:
// _nameIn - Name of the object this interface references (string).
// _interface - Name of the interface (typedef).
// _punkIn - Pointer to interface to track
// _addrefIn - Initial reference count on the interface.
//
// Return Values:
// a VALID _interface pointer
// Points to the CITracker that can be used as if it were the
// orginal _punkIn. If there was insufficent memory, the orginal
// _punkIn will be returned.
//
// NOTES:
// _addrefIn should be 0 if your going to be giving out the interface
// from your QueryInterface routine if you AddRef( ) before giving it
// out (typical QueryInterface( ) routines do this ).
//
//////////////////////////////////////////////////////////////////////////////
#define TraceInterface( _nameIn, _interface, _punkIn, _addrefIn ) \
reinterpret_cast<_interface*>( \
DebugTrackInterface( TEXT(__FILE__), \
__LINE__, \
__MODULE__, \
_nameIn, \
__uuidof(_interface), \
static_cast<_interface*>( _punkIn), \
_addrefIn \
) )
///////////////////////////////////////
//
// CITracker Structures
//
typedef HRESULT (CALLBACK *LPFNQUERYINTERFACE)(
LPUNKNOWN punk,
REFIID riid,
LPVOID* ppv );
typedef ULONG (CALLBACK *LPFNADDREF)(
LPUNKNOWN punk );
typedef ULONG (CALLBACK *LPFNRELEASE)(
LPUNKNOWN punk );
typedef struct __vtbl {
LPFNQUERYINTERFACE lpfnQueryInterface;
LPFNADDREF lpfnAddRef;
LPFNRELEASE lpfnRelease;
} VTBL, *LPVTBL;
typedef struct __vtbl2 {
ULONG cRef;
LPUNKNOWN punk;
LPCTSTR pszInterface;
DWORD dwSize;
LPVTBL pNewVtbl;
// These must be last and in this order: QI, AddRef, Release.
LPFNQUERYINTERFACE lpfnQueryInterface;
LPFNADDREF lpfnAddRef;
LPFNRELEASE lpfnRelease;
// additional vtbl entries hang off the end
} VTBL2, *LPVTBL2;
#define VTBL2OFFSET ( sizeof( VTBL2 ) - ( 3 * sizeof(LPVOID) ) )
///////////////////////////////////////
//
// CITracker Functions
//
LPUNKNOWN
DebugTrackInterface(
LPCTSTR pszFileIn,
const int nLineIn,
LPCTSTR pszModuleIn,
LPCTSTR pszNameIn,
REFIID riidIn,
LPUNKNOWN pvtblIn,
LONG cRefIn
);
///////////////////////////////////////
//
// interface IUnknownTracker
//
//
class
IUnknownTracker :
public IUnknown
{
public:
STDMETHOD(QueryInterface)( REFIID riid, LPVOID *ppv );
STDMETHOD_(ULONG, AddRef)( void );
STDMETHOD_(ULONG, Release)( void );
STDMETHOD_(void, Stub3 )( void );
STDMETHOD_(void, Stub4 )( void );
STDMETHOD_(void, Stub5 )( void );
STDMETHOD_(void, Stub6 )( void );
STDMETHOD_(void, Stub7 )( void );
STDMETHOD_(void, Stub8 )( void );
STDMETHOD_(void, Stub9 )( void );
STDMETHOD_(void, Stub10 )( void );
STDMETHOD_(void, Stub11 )( void );
STDMETHOD_(void, Stub12 )( void );
STDMETHOD_(void, Stub13 )( void );
STDMETHOD_(void, Stub14 )( void );
STDMETHOD_(void, Stub15 )( void );
STDMETHOD_(void, Stub16 )( void );
STDMETHOD_(void, Stub17 )( void );
STDMETHOD_(void, Stub18 )( void );
STDMETHOD_(void, Stub19 )( void );
STDMETHOD_(void, Stub20 )( void );
STDMETHOD_(void, Stub21 )( void );
STDMETHOD_(void, Stub22 )( void );
STDMETHOD_(void, Stub23 )( void );
STDMETHOD_(void, Stub24 )( void );
STDMETHOD_(void, Stub25 )( void );
STDMETHOD_(void, Stub26 )( void );
STDMETHOD_(void, Stub27 )( void );
STDMETHOD_(void, Stub28 )( void );
STDMETHOD_(void, Stub29 )( void );
STDMETHOD_(void, Stub30 )( void );
};
///////////////////////////////////////
//
// interface IDeadObjTracker
//
class
IDeadObjTracker
{
private: // Members
VTBL2 m_vtbl;
public:
STDMETHOD( Stub0 )( LPVOID* punk );
STDMETHOD( Stub1 )( LPVOID* punk );
STDMETHOD( Stub2 )( LPVOID* punk );
STDMETHOD( Stub3 )( LPVOID* punk );
STDMETHOD( Stub4 )( LPVOID* punk );
STDMETHOD( Stub5 )( LPVOID* punk );
STDMETHOD( Stub6 )( LPVOID* punk );
STDMETHOD( Stub7 )( LPVOID* punk );
STDMETHOD( Stub8 )( LPVOID* punk );
STDMETHOD( Stub9 )( LPVOID* punk );
STDMETHOD( Stub10 )( LPVOID* punk );
STDMETHOD( Stub11 )( LPVOID* punk );
STDMETHOD( Stub12 )( LPVOID* punk );
STDMETHOD( Stub13 )( LPVOID* punk );
STDMETHOD( Stub14 )( LPVOID* punk );
STDMETHOD( Stub15 )( LPVOID* punk );
STDMETHOD( Stub16 )( LPVOID* punk );
STDMETHOD( Stub17 )( LPVOID* punk );
STDMETHOD( Stub18 )( LPVOID* punk );
STDMETHOD( Stub19 )( LPVOID* punk );
STDMETHOD( Stub20 )( LPVOID* punk );
STDMETHOD( Stub21 )( LPVOID* punk );
STDMETHOD( Stub22 )( LPVOID* punk );
STDMETHOD( Stub23 )( LPVOID* punk );
STDMETHOD( Stub24 )( LPVOID* punk );
STDMETHOD( Stub25 )( LPVOID* punk );
STDMETHOD( Stub26 )( LPVOID* punk );
STDMETHOD( Stub27 )( LPVOID* punk );
STDMETHOD( Stub28 )( LPVOID* punk );
STDMETHOD( Stub29 )( LPVOID* punk );
STDMETHOD( Stub30 )( LPVOID* punk );
};
///////////////////////////////////////
//
// CITracker Class
//
class
CITracker:
public IUnknownTracker
{
private: // Members
VTBL2 m_vtbl;
private: // Methods
CITracker( );
~CITracker( );
STDMETHOD(Init)( LPUNKNOWN * ppunkOut,
LPUNKNOWN punkIn,
const INTERFACE_TABLE_ENTRY * piteIn,
LPCTSTR pszNameIn,
LONG cRefIn
);
public: // Methods
friend LPUNKNOWN DebugTrackInterface( LPCTSTR pszFileIn,
const int nLineIn,
LPCTSTR pszModuleIn,
LPCTSTR pszNameIn,
REFIID riidIn,
LPUNKNOWN pvtblIn,
LONG cRefIn
);
// IUnknown
STDMETHOD(QueryInterface)( REFIID riid, LPVOID *ppv );
STDMETHOD_(ULONG, AddRef)(void);
STDMETHOD_(ULONG, Release)(void);
};
//
// END DEBUG WITH FULL INTERFACE TRACKING
//
///////////////////////////////////////
#else // !FULL_TRACE_INTERFACES_ENABLED
///////////////////////////////////////
//
// BEGIN DEBUG WITHOUT FULL INTERFACE TRACKING
//
#ifdef _X86_
#define TraceInterface( _nameIn, _interface, _punkIn, _faddrefIn ) static_cast<##_interface *>( _punkIn )
#else
#define TraceInterface( _nameIn, _interface, _punkIn, _faddrefIn ) static_cast<##_interface *>( _punkIn )
#endif
//
// END DEBUG WITHOUT FULL INTERFACE TRACKING
//
///////////////////////////////////////
#endif // FULL_TRACE_INTERFACES_ENABLED