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628 lines
16 KiB
C++
628 lines
16 KiB
C++
//===== Copyright (c) 1996-2005, Valve Corporation, All rights reserved. ======//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//
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//===========================================================================//
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#include "tier0/platform.h"
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#if defined( PLATFORM_WINDOWS_PC )
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#define WIN_32_LEAN_AND_MEAN
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#include <windows.h> // Currently needed for IsBadReadPtr and IsBadWritePtr
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#pragma comment(lib,"user32.lib") // For MessageBox
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#endif
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#include "tier0/minidump.h"
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#include "tier0/stacktools.h"
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include "color.h"
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#include "tier0/dbg.h"
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#include "tier0/threadtools.h"
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#include "tier0/icommandline.h"
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#include <math.h>
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#if defined( _X360 )
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#include "xbox/xbox_console.h"
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#endif
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#include "tier0/etwprof.h"
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#ifndef STEAM
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#define PvRealloc realloc
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#define PvAlloc malloc
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#endif
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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#if defined( ENABLE_RUNTIME_STACK_TRANSLATION )
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#pragma optimize( "g", off ) //variable argument functions seem to screw up stack walking unless this optimization is disabled
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#pragma warning( disable: 4748 ) // Turn off the warning telling us that optimizations are off if /GS is on
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#endif
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DEFINE_LOGGING_CHANNEL_NO_TAGS( LOG_LOADING, "LOADING" );
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//-----------------------------------------------------------------------------
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// Stack attachment management
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//-----------------------------------------------------------------------------
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#if defined( ENABLE_RUNTIME_STACK_TRANSLATION )
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static bool s_bCallStacksWithAllWarnings = false; //if true, attach a call stack to every SPEW_WARNING message. Warning()/DevWarning()/...
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static int s_iWarningMaxCallStackLength = 5;
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#define AutomaticWarningCallStackLength() (s_bCallStacksWithAllWarnings ? s_iWarningMaxCallStackLength : 0)
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void _Warning_AlwaysSpewCallStack_Enable( bool bEnable )
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{
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s_bCallStacksWithAllWarnings = bEnable;
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}
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void _Warning_AlwaysSpewCallStack_Length( int iMaxCallStackLength )
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{
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s_iWarningMaxCallStackLength = iMaxCallStackLength;
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}
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static bool s_bCallStacksWithAllErrors = false; //if true, attach a call stack to every SPEW_ERROR message. Mostly just Error()
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static int s_iErrorMaxCallStackLength = 20; //default to higher output with an error since we're quitting anyways
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#define AutomaticErrorCallStackLength() (s_bCallStacksWithAllErrors ? s_iErrorMaxCallStackLength : 0)
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void _Error_AlwaysSpewCallStack_Enable( bool bEnable )
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{
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s_bCallStacksWithAllErrors = bEnable;
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}
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void _Error_AlwaysSpewCallStack_Length( int iMaxCallStackLength )
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{
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s_iErrorMaxCallStackLength = iMaxCallStackLength;
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}
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#else //#if defined( ENABLE_RUNTIME_STACK_TRANSLATION )
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#define AutomaticWarningCallStackLength() 0
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#define AutomaticErrorCallStackLength() 0
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void _Warning_AlwaysSpewCallStack_Enable( bool bEnable )
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{
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}
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void _Warning_AlwaysSpewCallStack_Length( int iMaxCallStackLength )
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{
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}
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void _Error_AlwaysSpewCallStack_Enable( bool bEnable )
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{
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}
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void _Error_AlwaysSpewCallStack_Length( int iMaxCallStackLength )
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{
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}
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#endif //#if defined( ENABLE_RUNTIME_STACK_TRANSLATION )
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void _ExitOnFatalAssert( const tchar* pFile, int line )
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{
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Log_Msg( LOG_ASSERT, _T("Fatal assert failed: %s, line %d. Application exiting.\n"), pFile, line );
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// only write out minidumps if we're not in the debugger
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if ( !Plat_IsInDebugSession() )
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{
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WriteMiniDump();
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}
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Log_Msg( LOG_DEVELOPER, _T("_ExitOnFatalAssert\n") );
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Plat_ExitProcess( EXIT_FAILURE );
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}
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//-----------------------------------------------------------------------------
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// Templates to assist in validating pointers:
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//-----------------------------------------------------------------------------
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PLATFORM_INTERFACE void _AssertValidReadPtr( void* ptr, int count/* = 1*/ )
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{
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#if defined( _WIN32 ) && !defined( _X360 )
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Assert( !IsBadReadPtr( ptr, count ) );
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#else
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Assert( !count || ptr );
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#endif
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}
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PLATFORM_INTERFACE void _AssertValidWritePtr( void* ptr, int count/* = 1*/ )
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{
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#if defined( _WIN32 ) && !defined( _X360 )
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Assert( !IsBadWritePtr( ptr, count ) );
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#else
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Assert( !count || ptr );
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#endif
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}
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PLATFORM_INTERFACE void _AssertValidReadWritePtr( void* ptr, int count/* = 1*/ )
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{
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#if defined( _WIN32 ) && !defined( _X360 )
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Assert(!( IsBadWritePtr(ptr, count) || IsBadReadPtr(ptr,count)));
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#else
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Assert( !count || ptr );
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#endif
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}
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PLATFORM_INTERFACE void _AssertValidStringPtr( const tchar* ptr, int maxchar/* = 0xFFFFFF */ )
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{
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#if defined( _WIN32 ) && !defined( _X360 )
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#ifdef TCHAR_IS_CHAR
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Assert( !IsBadStringPtr( ptr, maxchar ) );
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#else
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Assert( !IsBadStringPtrW( ptr, maxchar ) );
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#endif
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#else
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Assert( ptr );
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#endif
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}
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void AppendCallStackToLogMessage( tchar *formattedMessage, int iMessageLength, int iAppendCallStackLength )
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{
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#if defined( ENABLE_RUNTIME_STACK_TRANSLATION )
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# if defined( TCHAR_IS_CHAR ) //I'm horrible with unicode and I don't plan on testing this with wide characters just yet
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if( iAppendCallStackLength > 0 )
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{
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int iExistingMessageLength = (int)strlen( formattedMessage ); //no V_strlen in tier 0, plus we're only compiling this for windows and 360. Seems safe
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formattedMessage += iExistingMessageLength;
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iMessageLength -= iExistingMessageLength;
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if( iMessageLength <= 32 )
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return; //no room for anything useful
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//append directly to the spew message
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if( (iExistingMessageLength > 0) && (formattedMessage[-1] == '\n') )
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{
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--formattedMessage;
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++iMessageLength;
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}
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//append preface
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int iAppendedLength = _snprintf( formattedMessage, iMessageLength, _T("\nCall Stack:\n\t") );
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void **CallStackBuffer = (void **)stackalloc( iAppendCallStackLength * sizeof( void * ) );
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int iCount = GetCallStack( CallStackBuffer, iAppendCallStackLength, 2 );
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if( TranslateStackInfo( CallStackBuffer, iCount, formattedMessage + iAppendedLength, iMessageLength - iAppendedLength, _T("\n\t") ) == 0 )
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{
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//failure
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formattedMessage[0] = '\0'; //this is pointing at where we wrote "\nCall Stack:\n\t"
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}
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else
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{
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iAppendedLength += (int)strlen( formattedMessage + iAppendedLength ); //no V_strlen in tier 0, plus we're only compiling this for windows and 360. Seems safe
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if( iAppendedLength < iMessageLength )
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{
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formattedMessage[iAppendedLength] = '\n'; //Add another newline.
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++iAppendedLength;
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formattedMessage[iAppendedLength] = '\0';
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}
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}
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}
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# else
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AssertMsg( false, "Fixme" );
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# endif
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#endif
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}
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// Forward declare for internal use only.
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CLoggingSystem *GetGlobalLoggingSystem();
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#define Log_LegacyHelperColor_Stack( Channel, Severity, Color, MessageFormat, AppendCallStackLength ) \
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do \
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{ \
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CLoggingSystem *pLoggingSystem = GetGlobalLoggingSystem(); \
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if ( pLoggingSystem->IsChannelEnabled( Channel, Severity ) ) \
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{ \
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tchar formattedMessage[MAX_LOGGING_MESSAGE_LENGTH]; \
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va_list args; \
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va_start( args, MessageFormat ); \
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Tier0Internal_vsntprintf( formattedMessage, MAX_LOGGING_MESSAGE_LENGTH, MessageFormat, args ); \
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va_end( args ); \
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AppendCallStackToLogMessage( formattedMessage, MAX_LOGGING_MESSAGE_LENGTH, AppendCallStackLength ); \
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pLoggingSystem->LogDirect( Channel, Severity, Color, formattedMessage ); \
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} \
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} while( 0 )
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#define Log_LegacyHelperColor( Channel, Severity, Color, MessageFormat ) Log_LegacyHelperColor_Stack( Channel, Severity, Color, MessageFormat, 0 )
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#define Log_LegacyHelper_Stack( Channel, Severity, MessageFormat, AppendCallStackLength ) Log_LegacyHelperColor_Stack( Channel, Severity, pLoggingSystem->GetChannelColor( Channel ), MessageFormat, AppendCallStackLength )
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#define Log_LegacyHelper( Channel, Severity, MessageFormat ) Log_LegacyHelperColor( Channel, Severity, pLoggingSystem->GetChannelColor( Channel ), MessageFormat )
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void Msg( const tchar* pMsgFormat, ... )
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{
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Log_LegacyHelper( LOG_GENERAL, LS_MESSAGE, pMsgFormat );
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}
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void Warning( const tchar *pMsgFormat, ... )
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{
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Log_LegacyHelper_Stack( LOG_GENERAL, LS_WARNING, pMsgFormat, AutomaticWarningCallStackLength() );
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}
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void Warning_SpewCallStack( int iMaxCallStackLength, const tchar *pMsgFormat, ... )
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{
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Log_LegacyHelper_Stack( LOG_GENERAL, LS_WARNING, pMsgFormat, iMaxCallStackLength );
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}
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void Error( const tchar *pMsgFormat, ... )
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{
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Log_LegacyHelper_Stack( LOG_GENERAL, LS_ERROR, pMsgFormat, AutomaticErrorCallStackLength() );
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}
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void Error_SpewCallStack( int iMaxCallStackLength, const tchar *pMsgFormat, ... )
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{
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Log_LegacyHelper_Stack( LOG_GENERAL, LS_ERROR, pMsgFormat, iMaxCallStackLength );
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}
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//-----------------------------------------------------------------------------
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// A couple of super-common dynamic spew messages, here for convenience
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// These looked at the "developer" group, print if it's level 1 or higher
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//-----------------------------------------------------------------------------
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void DevMsg( int level, const tchar* pMsgFormat, ... )
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{
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LoggingChannelID_t channel = level >= 2 ? LOG_DEVELOPER_VERBOSE : LOG_DEVELOPER;
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Log_LegacyHelper( channel, LS_MESSAGE, pMsgFormat );
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}
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void DevWarning( int level, const tchar *pMsgFormat, ... )
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{
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LoggingChannelID_t channel = level >= 2 ? LOG_DEVELOPER_VERBOSE : LOG_DEVELOPER;
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Log_LegacyHelper( channel, LS_WARNING, pMsgFormat );
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}
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void DevMsg( const tchar *pMsgFormat, ... )
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{
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Log_LegacyHelper( LOG_DEVELOPER, LS_MESSAGE, pMsgFormat );
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}
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void DevWarning( const tchar *pMsgFormat, ... )
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{
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Log_LegacyHelper( LOG_DEVELOPER, LS_WARNING, pMsgFormat );
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}
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void ConColorMsg( const Color& clr, const tchar* pMsgFormat, ... )
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{
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Log_LegacyHelperColor( LOG_CONSOLE, LS_MESSAGE, clr, pMsgFormat );
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}
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void ConMsg( const tchar *pMsgFormat, ... )
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{
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Log_LegacyHelper( LOG_CONSOLE, LS_MESSAGE, pMsgFormat );
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}
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void ConDMsg( const tchar *pMsgFormat, ... )
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{
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Log_LegacyHelper( LOG_DEVELOPER_CONSOLE, LS_MESSAGE, pMsgFormat );
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}
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// If we don't have a function from math.h, then it doesn't link certain floating-point
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// functions in and printfs with %f cause runtime errors in the C libraries.
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PLATFORM_INTERFACE float CrackSmokingCompiler( float a )
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{
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return (float)fabs( a );
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}
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void* Plat_SimpleLog( const tchar* file, int line )
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{
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FILE* f = _tfopen( _T("simple.log"), _T("at+") );
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_ftprintf( f, _T("%s:%i\n"), file, line );
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fclose( f );
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return NULL;
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}
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//-----------------------------------------------------------------------------
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// Purpose: For debugging startup times, etc.
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// Input : *fmt -
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// ... -
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//-----------------------------------------------------------------------------
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void COM_TimestampedLog( char const *fmt, ... )
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{
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static float s_LastStamp = 0.0;
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static bool s_bShouldLog = false;
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static bool s_bShouldLogToConsole = false;
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static bool s_bShouldLogToETW = false;
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static bool s_bChecked = false;
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static bool s_bFirstWrite = false;
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if ( !s_bChecked )
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{
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s_bShouldLog = ( CommandLine()->CheckParm( "-profile" ) ) ? true : false;
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s_bShouldLogToConsole = ( CommandLine()->ParmValue( "-profile", 0.0f ) != 0.0f ) ? true : false;
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s_bShouldLogToETW = ( CommandLine()->CheckParm( "-etwprofile" ) ) ? true : false;
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if ( s_bShouldLogToETW )
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{
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s_bShouldLog = true;
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}
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s_bChecked = true;
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}
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if ( !s_bShouldLog )
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{
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return;
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}
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char string[1024];
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va_list argptr;
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va_start( argptr, fmt );
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Tier0Internal_vsnprintf( string, sizeof( string ), fmt, argptr );
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va_end( argptr );
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float curStamp = Plat_FloatTime();
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#if defined( _X360 )
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XBX_rTimeStampLog( curStamp, string );
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#elif defined( _PS3 )
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Log_Warning( LOG_LOADING, "%8.4f / %8.4f: %s\n", curStamp, curStamp - s_LastStamp, string );
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#endif
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if ( IsPC() )
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{
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// If ETW profiling is enabled then do it only.
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if ( s_bShouldLogToETW )
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{
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ETWMark( string );
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}
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else
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{
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if ( !s_bFirstWrite )
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{
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unlink( "timestamped.log" );
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s_bFirstWrite = true;
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}
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FILE* fp = fopen( "timestamped.log", "at+" );
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fprintf( fp, "%8.4f / %8.4f: %s\n", curStamp, curStamp - s_LastStamp, string );
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fclose( fp );
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}
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if ( s_bShouldLogToConsole )
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{
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Msg( "%8.4f / %8.4f: %s\n", curStamp, curStamp - s_LastStamp, string );
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}
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}
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s_LastStamp = curStamp;
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}
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#ifdef IS_WINDOWS_PC
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class CHardwareBreakPoint
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{
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public:
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enum EOpCode
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{
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BRK_SET = 0,
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BRK_UNSET,
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};
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CHardwareBreakPoint()
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{
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m_eOperation = BRK_SET;
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m_pvAddress = 0;
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m_hThread = 0;
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m_hThreadEvent = 0;
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m_nRegister = 0;
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m_bSuccess = false;
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}
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const void *m_pvAddress;
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HANDLE m_hThread;
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EHardwareBreakpointType m_eType;
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EHardwareBreakpointSize m_eSize;
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HANDLE m_hThreadEvent;
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int m_nRegister;
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EOpCode m_eOperation;
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bool m_bSuccess;
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static void SetBits( DWORD_PTR& dw, int lowBit, int bits, int newValue );
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static DWORD WINAPI ThreadProc( LPVOID lpParameter );
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};
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void CHardwareBreakPoint::SetBits( DWORD_PTR& dw, int lowBit, int bits, int newValue )
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{
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DWORD_PTR mask = (1 << bits) - 1;
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dw = (dw & ~(mask << lowBit)) | (newValue << lowBit);
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}
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DWORD WINAPI CHardwareBreakPoint::ThreadProc( LPVOID lpParameter )
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{
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CHardwareBreakPoint *h = reinterpret_cast< CHardwareBreakPoint * >( lpParameter );
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SuspendThread( h->m_hThread );
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// Get current context
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CONTEXT ct = {0};
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ct.ContextFlags = CONTEXT_DEBUG_REGISTERS;
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GetThreadContext(h->m_hThread,&ct);
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int FlagBit = 0;
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bool Dr0Busy = false;
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bool Dr1Busy = false;
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bool Dr2Busy = false;
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bool Dr3Busy = false;
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if (ct.Dr7 & 1)
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Dr0Busy = true;
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if (ct.Dr7 & 4)
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Dr1Busy = true;
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if (ct.Dr7 & 16)
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Dr2Busy = true;
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if (ct.Dr7 & 64)
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Dr3Busy = true;
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if ( h->m_eOperation == CHardwareBreakPoint::BRK_UNSET )
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{
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// Remove
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if (h->m_nRegister == 0)
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{
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FlagBit = 0;
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ct.Dr0 = 0;
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Dr0Busy = false;
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}
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if (h->m_nRegister == 1)
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{
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FlagBit = 2;
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ct.Dr1 = 0;
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Dr1Busy = false;
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}
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if (h->m_nRegister == 2)
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{
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FlagBit = 4;
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ct.Dr2 = 0;
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Dr2Busy = false;
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}
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if (h->m_nRegister == 3)
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{
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FlagBit = 6;
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ct.Dr3 = 0;
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Dr3Busy = false;
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}
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ct.Dr7 &= ~(1 << FlagBit);
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}
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else
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{
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if (!Dr0Busy)
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{
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h->m_nRegister = 0;
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ct.Dr0 = (DWORD_PTR)h->m_pvAddress;
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Dr0Busy = true;
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}
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else if (!Dr1Busy)
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{
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h->m_nRegister = 1;
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ct.Dr1 = (DWORD_PTR)h->m_pvAddress;
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Dr1Busy = true;
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}
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else if (!Dr2Busy)
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{
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h->m_nRegister = 2;
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ct.Dr2 = (DWORD_PTR)h->m_pvAddress;
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Dr2Busy = true;
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}
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else if (!Dr3Busy)
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{
|
|
h->m_nRegister = 3;
|
|
ct.Dr3 = (DWORD_PTR)h->m_pvAddress;
|
|
Dr3Busy = true;
|
|
}
|
|
else
|
|
{
|
|
h->m_bSuccess = false;
|
|
ResumeThread(h->m_hThread);
|
|
SetEvent(h->m_hThreadEvent);
|
|
return 0;
|
|
}
|
|
|
|
ct.Dr6 = 0;
|
|
int st = 0;
|
|
if (h->m_eType == BREAKPOINT_EXECUTE)
|
|
st = 0;
|
|
if (h->m_eType == BREAKPOINT_READWRITE)
|
|
st = 3;
|
|
if (h->m_eType == BREAKPOINT_WRITE)
|
|
st = 1;
|
|
|
|
int le = 0;
|
|
if (h->m_eSize == BREAKPOINT_SIZE_1)
|
|
le = 0;
|
|
if (h->m_eSize == BREAKPOINT_SIZE_2)
|
|
le = 1;
|
|
if (h->m_eSize == BREAKPOINT_SIZE_4)
|
|
le = 3;
|
|
if (h->m_eSize == BREAKPOINT_SIZE_8)
|
|
le = 2;
|
|
|
|
SetBits( ct.Dr7, 16 + h->m_nRegister*4, 2, st );
|
|
SetBits( ct.Dr7, 18 + h->m_nRegister*4, 2, le );
|
|
SetBits( ct.Dr7, h->m_nRegister*2,1,1);
|
|
}
|
|
|
|
ct.ContextFlags = CONTEXT_DEBUG_REGISTERS;
|
|
SetThreadContext(h->m_hThread,&ct);
|
|
|
|
ResumeThread( h->m_hThread );
|
|
h->m_bSuccess = true;
|
|
SetEvent( h->m_hThreadEvent );
|
|
return 0;
|
|
}
|
|
|
|
HardwareBreakpointHandle_t SetHardwareBreakpoint( EHardwareBreakpointType eType, EHardwareBreakpointSize eSize, const void *pvLocation )
|
|
{
|
|
CHardwareBreakPoint *h = new CHardwareBreakPoint();
|
|
h->m_pvAddress = pvLocation;
|
|
h->m_eSize = eSize;
|
|
h->m_eType = eType;
|
|
HANDLE hThread = GetCurrentThread();
|
|
h->m_hThread = hThread;
|
|
|
|
if ( hThread == GetCurrentThread() )
|
|
{
|
|
DWORD nThreadId = GetCurrentThreadId();
|
|
h->m_hThread = OpenThread( THREAD_ALL_ACCESS, 0, nThreadId );
|
|
}
|
|
|
|
h->m_hThreadEvent = CreateEvent( NULL, FALSE, FALSE, NULL );
|
|
h->m_eOperation = CHardwareBreakPoint::BRK_SET; // Set Break
|
|
CreateThread( 0, 0, CHardwareBreakPoint::ThreadProc, (LPVOID)h, 0, 0 );
|
|
WaitForSingleObject( h->m_hThreadEvent,INFINITE );
|
|
CloseHandle( h->m_hThreadEvent );
|
|
h->m_hThreadEvent = 0;
|
|
if ( hThread == GetCurrentThread() )
|
|
{
|
|
CloseHandle( h->m_hThread );
|
|
}
|
|
h->m_hThread = hThread;
|
|
if ( !h->m_bSuccess )
|
|
{
|
|
delete h;
|
|
return (HardwareBreakpointHandle_t)0;
|
|
}
|
|
return (HardwareBreakpointHandle_t)h;
|
|
}
|
|
|
|
bool ClearHardwareBreakpoint( HardwareBreakpointHandle_t handle )
|
|
{
|
|
CHardwareBreakPoint *h = reinterpret_cast< CHardwareBreakPoint* >( handle );
|
|
if ( !h )
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool bOpened = false;
|
|
if ( h->m_hThread == GetCurrentThread() )
|
|
{
|
|
DWORD nThreadId = GetCurrentThreadId();
|
|
h->m_hThread = OpenThread( THREAD_ALL_ACCESS, 0, nThreadId );
|
|
bOpened = true;
|
|
}
|
|
|
|
h->m_hThreadEvent = CreateEvent( NULL, FALSE, FALSE, NULL );
|
|
h->m_eOperation = CHardwareBreakPoint::BRK_UNSET; // Remove Break
|
|
CreateThread( 0,0,CHardwareBreakPoint::ThreadProc, (LPVOID)h, 0,0 );
|
|
WaitForSingleObject( h->m_hThreadEvent, INFINITE );
|
|
CloseHandle( h->m_hThreadEvent );
|
|
h->m_hThreadEvent = 0;
|
|
if ( bOpened )
|
|
{
|
|
CloseHandle( h->m_hThread );
|
|
}
|
|
delete h;
|
|
return true;
|
|
}
|
|
|
|
#endif // IS_WINDOWS_PC
|
|
|