//===== Copyright © 1996-2005, Valve Corporation, All rights reserved. ========// // // Purpose: // // $NoKeywords: $ // //=============================================================================// #ifndef DBG_H #define DBG_H #ifdef _WIN32 #pragma once #endif #include "basetypes.h" #include "dbgflag.h" #include "platform.h" #include "logging.h" #include #include #include #if defined _LINUX || defined __APPLE__ #define __cdecl #endif //----------------------------------------------------------------------------- // dll export stuff //----------------------------------------------------------------------------- #ifndef STATIC_TIER0 #ifdef TIER0_DLL_EXPORT #define DBG_INTERFACE DLL_EXPORT #define DBG_OVERLOAD DLL_GLOBAL_EXPORT #define DBG_CLASS DLL_CLASS_EXPORT #else #define DBG_INTERFACE DLL_IMPORT #define DBG_OVERLOAD DLL_GLOBAL_IMPORT #define DBG_CLASS DLL_CLASS_IMPORT #endif #else // BUILD_AS_DLL #define DBG_INTERFACE extern #define DBG_OVERLOAD #define DBG_CLASS #endif // BUILD_AS_DLL class Color; //----------------------------------------------------------------------------- // Usage model for the Dbg library // // 1. Assertions. // // Assertions are used to detect and warn about invalid states // // To use an assertion, use // // Assert( (f == 5) ); // AssertMsg( (f == 5), ("F needs to be %d here!\n", 5) ); // AssertFunc( (f == 5), BadFunc() ); // AssertEquals( f, 5 ); // AssertFloatEquals( f, 5.0f, 1e-3 ); // // The first will simply report that an assertion failed on a particular // code file and line. The second version will display a print-f formatted message // along with the file and line, the third will display a generic message and // will also cause the function BadFunc to be executed, and the last two // will report an error if f is not equal to 5 (the last one asserts within // a particular tolerance). // // 2. Code activation // // To cause code to be run only in debug builds, use DBG_CODE: // An example is below. // // DBG_CODE( // { // int x = 5; // ++x; // } // ); // // Code can be activated based on the dynamic spew groups also. Use // // DBG_DCODE( "group", level, // { int x = 5; ++x; } // ); // // 3. Breaking into the debugger. // // To cause an unconditional break into the debugger in debug builds only, use DBG_BREAK // // DBG_BREAK(); // // You can force a break in any build (release or debug) using // // DebuggerBreak(); //----------------------------------------------------------------------------- DBG_INTERFACE void _ExitOnFatalAssert( const tchar* pFile, int line ); DBG_INTERFACE bool ShouldUseNewAssertDialog(); DBG_INTERFACE bool SetupWin32ConsoleIO(); // Returns true if they want to break in the debugger. DBG_INTERFACE bool DoNewAssertDialog( const tchar *pFile, int line, const tchar *pExpression ); /* Used to define macros, never use these directly. */ #define _AssertMsg( _exp, _msg, _executeExp, _bFatal ) \ do { \ if (!(_exp)) \ { \ LoggingResponse_t ret = Log_Assert( "%s (%d) : %s\n", __TFILE__, __LINE__, _msg ); \ _executeExp; \ if ( ret == LR_DEBUGGER ) \ { \ if ( !ShouldUseNewAssertDialog() || DoNewAssertDialog( __TFILE__, __LINE__, _msg ) ) \ DebuggerBreak(); \ if ( _bFatal ) \ _ExitOnFatalAssert( __TFILE__, __LINE__ ); \ } \ } \ } while (0) #define _AssertMsgOnce( _exp, _msg, _bFatal ) \ do { \ static bool fAsserted; \ if (!fAsserted ) \ { \ _AssertMsg( _exp, _msg, (fAsserted = true), _bFatal ); \ } \ } while (0) /* Spew macros... */ // AssertFatal macros // AssertFatal is used to detect an unrecoverable error condition. // If enabled, it may display an assert dialog (if DBGFLAG_ASSERTDLG is turned on or running under the debugger), // and always terminates the application #ifdef DBGFLAG_ASSERTFATAL #define AssertFatal( _exp ) _AssertMsg( _exp, _T("Assertion Failed: ") _T(#_exp), ((void)0), true ) #define AssertFatalOnce( _exp ) _AssertMsgOnce( _exp, _T("Assertion Failed: ") _T(#_exp), true ) #define AssertFatalMsg( _exp, _msg ) _AssertMsg( _exp, _msg, ((void)0), true ) #define AssertFatalMsgOnce( _exp, _msg ) _AssertMsgOnce( _exp, _msg, true ) #define AssertFatalFunc( _exp, _f ) _AssertMsg( _exp, _T("Assertion Failed: " _T(#_exp), _f, true ) #define AssertFatalEquals( _exp, _expectedValue ) AssertFatalMsg2( (_exp) == (_expectedValue), _T("Expected %d but got %d!"), (_expectedValue), (_exp) ) #define AssertFatalFloatEquals( _exp, _expectedValue, _tol ) AssertFatalMsg2( fabs((_exp) - (_expectedValue)) <= (_tol), _T("Expected %f but got %f!"), (_expectedValue), (_exp) ) #define VerifyFatal( _exp ) AssertFatal( _exp ) #define VerifyEqualsFatal( _exp, _expectedValue ) AssertFatalEquals( _exp, _expectedValue ) #define AssertFatalMsg1( _exp, _msg, a1 ) AssertFatalMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1 ))) #define AssertFatalMsg2( _exp, _msg, a1, a2 ) AssertFatalMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1, a2 ))) #define AssertFatalMsg3( _exp, _msg, a1, a2, a3 ) AssertFatalMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1, a2, a3 ))) #define AssertFatalMsg4( _exp, _msg, a1, a2, a3, a4 ) AssertFatalMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1, a2, a3, a4 ))) #define AssertFatalMsg5( _exp, _msg, a1, a2, a3, a4, a5 ) AssertFatalMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1, a2, a3, a4, a5 ))) #define AssertFatalMsg6( _exp, _msg, a1, a2, a3, a4, a5, a6 ) AssertFatalMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1, a2, a3, a4, a5, a6 ))) #define AssertFatalMsg6( _exp, _msg, a1, a2, a3, a4, a5, a6 ) AssertFatalMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1, a2, a3, a4, a5, a6 ))) #define AssertFatalMsg7( _exp, _msg, a1, a2, a3, a4, a5, a6, a7 ) AssertFatalMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1, a2, a3, a4, a5, a6, a7 ))) #define AssertFatalMsg8( _exp, _msg, a1, a2, a3, a4, a5, a6, a7, a8 ) AssertFatalMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1, a2, a3, a4, a5, a6, a7, a8 ))) #define AssertFatalMsg9( _exp, _msg, a1, a2, a3, a4, a5, a6, a7, a8, a9 ) AssertFatalMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1, a2, a3, a4, a5, a6, a7, a8, a9 ))) #else // DBGFLAG_ASSERTFATAL #define AssertFatal( _exp ) ((void)0) #define AssertFatalOnce( _exp ) ((void)0) #define AssertFatalMsg( _exp, _msg ) ((void)0) #define AssertFatalMsgOnce( _exp, _msg ) ((void)0) #define AssertFatalFunc( _exp, _f ) ((void)0) #define AssertFatalEquals( _exp, _expectedValue ) ((void)0) #define AssertFatalFloatEquals( _exp, _expectedValue, _tol ) ((void)0) #define VerifyFatal( _exp ) (_exp) #define VerifyEqualsFatal( _exp, _expectedValue ) (_exp) #define AssertFatalMsg1( _exp, _msg, a1 ) ((void)0) #define AssertFatalMsg2( _exp, _msg, a1, a2 ) ((void)0) #define AssertFatalMsg3( _exp, _msg, a1, a2, a3 ) ((void)0) #define AssertFatalMsg4( _exp, _msg, a1, a2, a3, a4 ) ((void)0) #define AssertFatalMsg5( _exp, _msg, a1, a2, a3, a4, a5 ) ((void)0) #define AssertFatalMsg6( _exp, _msg, a1, a2, a3, a4, a5, a6 ) ((void)0) #define AssertFatalMsg6( _exp, _msg, a1, a2, a3, a4, a5, a6 ) ((void)0) #define AssertFatalMsg7( _exp, _msg, a1, a2, a3, a4, a5, a6, a7 ) ((void)0) #define AssertFatalMsg8( _exp, _msg, a1, a2, a3, a4, a5, a6, a7, a8 ) ((void)0) #define AssertFatalMsg9( _exp, _msg, a1, a2, a3, a4, a5, a6, a7, a8, a9 ) ((void)0) #endif // DBGFLAG_ASSERTFATAL // Assert macros // Assert is used to detect an important but survivable error. // It's only turned on when DBGFLAG_ASSERT is true. #ifdef DBGFLAG_ASSERT #define Assert( _exp ) _AssertMsg( _exp, _T("Assertion Failed: ") _T(#_exp), ((void)0), false ) #define AssertMsg( _exp, _msg ) _AssertMsg( _exp, _msg, ((void)0), false ) #define AssertOnce( _exp ) _AssertMsgOnce( _exp, _T("Assertion Failed: ") _T(#_exp), false ) #define AssertMsgOnce( _exp, _msg ) _AssertMsgOnce( _exp, _msg, false ) #define AssertFunc( _exp, _f ) _AssertMsg( _exp, _T("Assertion Failed: ") _T(#_exp), _f, false ) #define AssertEquals( _exp, _expectedValue ) AssertMsg2( (_exp) == (_expectedValue), _T("Expected %d but got %d!"), (_expectedValue), (_exp) ) #define AssertFloatEquals( _exp, _expectedValue, _tol ) AssertMsg2( fabs((_exp) - (_expectedValue)) <= (_tol), _T("Expected %f but got %f!"), (_expectedValue), (_exp) ) #define Verify( _exp ) Assert( _exp ) #define VerifyEquals( _exp, _expectedValue ) AssertEquals( _exp, _expectedValue ) #define AssertMsg1( _exp, _msg, a1 ) AssertMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1 )) ) #define AssertMsg2( _exp, _msg, a1, a2 ) AssertMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1, a2 )) ) #define AssertMsg3( _exp, _msg, a1, a2, a3 ) AssertMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1, a2, a3 )) ) #define AssertMsg4( _exp, _msg, a1, a2, a3, a4 ) AssertMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1, a2, a3, a4 )) ) #define AssertMsg5( _exp, _msg, a1, a2, a3, a4, a5 ) AssertMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1, a2, a3, a4, a5 )) ) #define AssertMsg6( _exp, _msg, a1, a2, a3, a4, a5, a6 ) AssertMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1, a2, a3, a4, a5, a6 )) ) #define AssertMsg7( _exp, _msg, a1, a2, a3, a4, a5, a6, a7 ) AssertMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1, a2, a3, a4, a5, a6, a7 )) ) #define AssertMsg8( _exp, _msg, a1, a2, a3, a4, a5, a6, a7, a8 ) AssertMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1, a2, a3, a4, a5, a6, a7, a8 )) ) #define AssertMsg9( _exp, _msg, a1, a2, a3, a4, a5, a6, a7, a8, a9 ) AssertMsg( _exp, (const tchar *)(CDbgFmtMsg( _msg, a1, a2, a3, a4, a5, a6, a7, a8, a9 )) ) #else // DBGFLAG_ASSERT #define Assert( _exp ) ((void)0) #define AssertOnce( _exp ) ((void)0) #define AssertMsg( _exp, _msg ) ((void)0) #define AssertMsgOnce( _exp, _msg ) ((void)0) #define AssertFunc( _exp, _f ) ((void)0) #define AssertEquals( _exp, _expectedValue ) ((void)0) #define AssertFloatEquals( _exp, _expectedValue, _tol ) ((void)0) #define Verify( _exp ) (_exp) #define VerifyEquals( _exp, _expectedValue ) (_exp) #define AssertMsg1( _exp, _msg, a1 ) ((void)0) #define AssertMsg2( _exp, _msg, a1, a2 ) ((void)0) #define AssertMsg3( _exp, _msg, a1, a2, a3 ) ((void)0) #define AssertMsg4( _exp, _msg, a1, a2, a3, a4 ) ((void)0) #define AssertMsg5( _exp, _msg, a1, a2, a3, a4, a5 ) ((void)0) #define AssertMsg6( _exp, _msg, a1, a2, a3, a4, a5, a6 ) ((void)0) #define AssertMsg6( _exp, _msg, a1, a2, a3, a4, a5, a6 ) ((void)0) #define AssertMsg7( _exp, _msg, a1, a2, a3, a4, a5, a6, a7 ) ((void)0) #define AssertMsg8( _exp, _msg, a1, a2, a3, a4, a5, a6, a7, a8 ) ((void)0) #define AssertMsg9( _exp, _msg, a1, a2, a3, a4, a5, a6, a7, a8, a9 ) ((void)0) #endif // DBGFLAG_ASSERT #define FILE_LINE_FUNCTION_STRINGIFY(x) #x #define FILE_LINE_FUNCTION_TOSTRING(x) FILE_LINE_FUNCTION_STRINGIFY(x) #define FILE_LINE_FUNCTION_STRING __FILE__ "(" FILE_LINE_FUNCTION_TOSTRING(__LINE__) "):" __FUNCTION__ ":" #define FILE_LINE_STRINGIFY(x) #x #define FILE_LINE_TOSTRING(x) FILE_LINE_STRINGIFY(x) #define FILE_LINE_STRING __FILE__ "(" FILE_LINE_TOSTRING(__LINE__) "):" #define FUNCTION_LINE_STRINGIFY(x) #x #define FUNCTION_LINE_TOSTRING(x) FUNCTION_LINE_STRINGIFY(x) #define FUNCTION_LINE_STRING __FUNCTION__ "(" FUNCTION_LINE_TOSTRING(__LINE__) "): " ////////////////////////////////////////////////////////////////////////// // Legacy Logging System ////////////////////////////////////////////////////////////////////////// // Channels which map the legacy logging system to the new system. // Channel for all default Msg/Warning/Error commands. DECLARE_LOGGING_CHANNEL( LOG_GENERAL ); // Channel for all asserts. DECLARE_LOGGING_CHANNEL( LOG_ASSERT ); // Channel for all ConMsg and ConColorMsg commands. DECLARE_LOGGING_CHANNEL( LOG_CONSOLE ); // Channel for all DevMsg and DevWarning commands with level < 2. DECLARE_LOGGING_CHANNEL( LOG_DEVELOPER ); // Channel for ConDMsg commands. DECLARE_LOGGING_CHANNEL( LOG_DEVELOPER_CONSOLE ); // Channel for all DevMsg and DevWarning commands with level >= 2. DECLARE_LOGGING_CHANNEL( LOG_DEVELOPER_VERBOSE ); // Legacy logging functions DBG_INTERFACE void Msg( const tchar* pMsg, ... ); DBG_INTERFACE void Warning( const tchar *pMsg, ... ) FMTFUNCTION( 1, 2 ); DBG_INTERFACE void Error( const tchar *pMsg, ... ) FMTFUNCTION( 1, 2 ); // @TODO: these callstack spew functions are currently disabled in the new logging system. Need to add support for these if desired. DBG_INTERFACE void _Warning_AlwaysSpewCallStack_Enable( bool bEnable ); DBG_INTERFACE void _Warning_AlwaysSpewCallStack_Length( int iMaxCallStackLength ); DBG_INTERFACE void _Error_AlwaysSpewCallStack_Enable( bool bEnable ); DBG_INTERFACE void _Error_AlwaysSpewCallStack_Length( int iMaxCallStackLength ); DBG_INTERFACE void DevMsg( int level, const tchar* pMsg, ... ) FMTFUNCTION( 2, 3 ); DBG_INTERFACE void DevWarning( int level, const tchar *pMsg, ... ) FMTFUNCTION( 2, 3 ); DBG_INTERFACE void ConDMsg( const tchar* pMsg, ... ) FMTFUNCTION( 1, 2 ); // You can use this macro like a runtime assert macro. // If the condition fails, then Error is called with the message. This macro is called // like AssertMsg, where msg must be enclosed in parenthesis: // // ErrorIfNot( bCondition, ("a b c %d %d %d", 1, 2, 3) ); #define ErrorIfNot( condition, msg ) \ if ( (condition) ) \ ; \ else \ { \ Error msg; \ } #if !defined( _X360 ) || !defined( _RETAIL ) /* A couple of super-common dynamic spew messages, here for convenience */ /* These looked at the "developer" group */ DBG_INTERFACE void DevMsg( int level, const tchar* pMsg, ... ); DBG_INTERFACE void DevWarning( int level, const tchar *pMsg, ... ); /* default level versions (level 1) */ DBG_OVERLOAD void DevMsg( const tchar* pMsg, ... ); DBG_OVERLOAD void DevWarning( const tchar *pMsg, ... ); /* default console version (level 1) */ DBG_OVERLOAD void ConColorMsg( const Color& clr, const tchar* pMsg, ... ); DBG_OVERLOAD void ConMsg( const tchar* pMsg, ... ); /* developer console version (level 2) */ DBG_INTERFACE void ConDMsg( const tchar* pMsg, ... ); #else inline void DevMsg( ... ) {} inline void DevWarning( ... ) {} inline void ConColorMsg( ... ) {} inline void ConMsg( ... ) {} inline void ConDMsg( ... ) {} #endif DBG_INTERFACE void COM_TimestampedLog( char const *fmt, ... ) FMTFUNCTION( 1, 2 ); /* Code macros, debugger interface */ #ifdef _DEBUG #define DBG_CODE( _code ) if (0) ; else { _code } #define DBG_CODE_NOSCOPE( _code ) _code #define DBG_DCODE( _g, _l, _code ) if (IsSpewActive( _g, _l )) { _code } else {} #define DBG_BREAK() DebuggerBreak() /* defined in platform.h */ #else /* not _DEBUG */ #define DBG_CODE( _code ) ((void)0) #define DBG_CODE_NOSCOPE( _code ) #define DBG_DCODE( _g, _l, _code ) ((void)0) #define DBG_BREAK() ((void)0) #endif /* _DEBUG */ //----------------------------------------------------------------------------- #ifndef _RETAIL class CScopeMsg { public: CScopeMsg( const char *pszScope ) { m_pszScope = pszScope; Msg( "%s { ", pszScope ); } ~CScopeMsg() { Msg( "} %s", m_pszScope ); } const char *m_pszScope; }; #define SCOPE_MSG( msg ) CScopeMsg scopeMsg( msg ) #else #define SCOPE_MSG( msg ) #endif //----------------------------------------------------------------------------- // Macro to assist in asserting constant invariants during compilation #ifdef _DEBUG #define COMPILE_TIME_ASSERT( pred ) switch(0){case 0:case pred:;} #ifdef _MSC_VER #define ASSERT_INVARIANT( pred ) static void UNIQUE_ID() { COMPILE_TIME_ASSERT( pred ) } #elif defined __GNUC__ #define ASSERT_INVARIANT( pred ) __attribute__((unused)) static void UNIQUE_ID() { COMPILE_TIME_ASSERT( pred ) } #endif #else #define COMPILE_TIME_ASSERT( pred ) #define ASSERT_INVARIANT( pred ) #endif // Member function pointer size #ifdef _MSC_VER #define MFP_SIZE 4 #elif __GNUC__ #define MFP_SIZE 8 #endif #ifdef _DEBUG template inline DEST_POINTER_TYPE assert_cast(SOURCE_POINTER_TYPE* pSource) { Assert( static_cast(pSource) == dynamic_cast(pSource) ); return static_cast(pSource); } #else #define assert_cast static_cast #endif //----------------------------------------------------------------------------- // Templates to assist in validating pointers: // Have to use these stubs so we don't have to include windows.h here. DBG_INTERFACE void _AssertValidReadPtr( void* ptr, int count = 1 ); DBG_INTERFACE void _AssertValidWritePtr( void* ptr, int count = 1 ); DBG_INTERFACE void _AssertValidReadWritePtr( void* ptr, int count = 1 ); DBG_INTERFACE void AssertValidStringPtr( const tchar* ptr, int maxchar = 0xFFFFFF ); template inline void AssertValidReadPtr( T* ptr, int count = 1 ) { _AssertValidReadPtr( (void*)ptr, count ); } template inline void AssertValidWritePtr( T* ptr, int count = 1 ) { _AssertValidWritePtr( (void*)ptr, count ); } template inline void AssertValidReadWritePtr( T* ptr, int count = 1 ) { _AssertValidReadWritePtr( (void*)ptr, count ); } #define AssertValidThis() AssertValidReadWritePtr(this,sizeof(*this)) //----------------------------------------------------------------------------- // Macro to protect functions that are not reentrant #ifdef _DEBUG class CReentryGuard { public: CReentryGuard(int *pSemaphore) : m_pSemaphore(pSemaphore) { ++(*m_pSemaphore); } ~CReentryGuard() { --(*m_pSemaphore); } private: int *m_pSemaphore; }; #define ASSERT_NO_REENTRY() \ static int fSemaphore##__LINE__; \ Assert( !fSemaphore##__LINE__ ); \ CReentryGuard ReentryGuard##__LINE__( &fSemaphore##__LINE__ ) #else #define ASSERT_NO_REENTRY() #endif //----------------------------------------------------------------------------- // // Purpose: Inline string formatter // #include "tier0/valve_off.h" class CDbgFmtMsg { public: CDbgFmtMsg(const tchar *pszFormat, ...) { va_list arg_ptr; va_start(arg_ptr, pszFormat); _vsntprintf(m_szBuf, sizeof(m_szBuf)-1, pszFormat, arg_ptr); va_end(arg_ptr); m_szBuf[sizeof(m_szBuf)-1] = 0; } operator const tchar *() const { return m_szBuf; } private: tchar m_szBuf[256]; }; #include "tier0/valve_on.h" //----------------------------------------------------------------------------- // // Purpose: Embed debug info in each file. // #if defined( _WIN32 ) && !defined( _X360 ) #ifdef _DEBUG #pragma comment(compiler) #endif #endif //----------------------------------------------------------------------------- // // Purpose: Wrap around a variable to create a simple place to put a breakpoint // #ifdef _DEBUG template< class Type > class CDataWatcher { public: const Type& operator=( const Type &val ) { return Set( val ); } const Type& operator=( const CDataWatcher &val ) { return Set( val.m_Value ); } const Type& Set( const Type &val ) { // Put your breakpoint here m_Value = val; return m_Value; } Type& GetForModify() { return m_Value; } const Type& operator+=( const Type &val ) { return Set( m_Value + val ); } const Type& operator-=( const Type &val ) { return Set( m_Value - val ); } const Type& operator/=( const Type &val ) { return Set( m_Value / val ); } const Type& operator*=( const Type &val ) { return Set( m_Value * val ); } const Type& operator^=( const Type &val ) { return Set( m_Value ^ val ); } const Type& operator|=( const Type &val ) { return Set( m_Value | val ); } const Type& operator++() { return (*this += 1); } Type operator--() { return (*this -= 1); } Type operator++( int ) // postfix version.. { Type val = m_Value; (*this += 1); return val; } Type operator--( int ) // postfix version.. { Type val = m_Value; (*this -= 1); return val; } // For some reason the compiler only generates type conversion warnings for this operator when used like // CNetworkVarBase = 0x1 // (it warns about converting from an int to an unsigned char). template< class C > const Type& operator&=( C val ) { return Set( m_Value & val ); } operator const Type&() const { return m_Value; } const Type& Get() const { return m_Value; } const Type* operator->() const { return &m_Value; } Type m_Value; }; #else template< class Type > class CDataWatcher { private: CDataWatcher(); // refuse to compile in non-debug builds }; #endif //----------------------------------------------------------------------------- // Code for programmatically setting/unsetting hardware breakpoints (there's probably a 360 and #ifdef IS_WINDOWS_PC typedef void * HardwareBreakpointHandle_t; enum EHardwareBreakpointType { BREAKPOINT_EXECUTE = 0, BREAKPOINT_WRITE, BREAKPOINT_READWRITE, }; enum EHardwareBreakpointSize { BREAKPOINT_SIZE_1 = 1, BREAKPOINT_SIZE_2 = 2, BREAKPOINT_SIZE_4 = 4, BREAKPOINT_SIZE_8 = 8, }; DBG_INTERFACE HardwareBreakpointHandle_t SetHardwareBreakpoint( EHardwareBreakpointType eType, EHardwareBreakpointSize eSize, const void *pvLocation ); DBG_INTERFACE bool ClearHardwareBreakpoint( HardwareBreakpointHandle_t handle ); class CHardwareBreakPointScopeGuard { public: CHardwareBreakPointScopeGuard( const void *pvLocation, size_t nLocationSize, EHardwareBreakpointType eType = BREAKPOINT_WRITE ) { EHardwareBreakpointSize eSize = BREAKPOINT_SIZE_4; switch ( nLocationSize ) { case 1: eSize = BREAKPOINT_SIZE_1; break; case 2: eSize = BREAKPOINT_SIZE_2; break; case 4: eSize = BREAKPOINT_SIZE_4; break; case 8: eSize = BREAKPOINT_SIZE_8; break; default: Warning( "SetHardwareBreakpoint can only work with 1, 2, 4 or 8 byte data fields." ); break; } m_hBreakPoint = SetHardwareBreakpoint( eType, eSize, pvLocation ); m_bActive = m_hBreakPoint != (HardwareBreakpointHandle_t)0; } ~CHardwareBreakPointScopeGuard() { Release(); } void Release() { if ( !m_bActive ) return; ClearHardwareBreakpoint( m_hBreakPoint ); } private: bool m_bActive; HardwareBreakpointHandle_t m_hBreakPoint; }; #endif // IS_WINDOWS_PC //----------------------------------------------------------------------------- #endif /* DBG_H */