void DoStackTrace ( LPTSTR szString ,
DWORD dwSize )
{
HANDLE hProcess = GetCurrentProcess ( ) ;
// If the symbol engine is not initialized, do it now.
if ( FALSE == g_bSymIsInit )
{
DWORD dwOpts = SymGetOptions ( ) ;
// Turn on load lines.
SymSetOptions ( dwOpts |
SYMOPT_LOAD_LINES ) ;
if ( FALSE == g_cSym.SymInitialize ( hProcess ,
NULL ,
FALSE ) )
{
TRACE ( "DiagAssert : Unable to initialize the "
"symbol engine!!!\n" ) ;
#ifdef _DEBUG
DebugBreak ( ) ;
#endif
}
else
{
g_bSymIsInit = TRUE ;
}
}
// The symbol engine is initialized so do the stack walk.
// The array of addresses.
ADDRVECTOR vAddrs ;
// The thread information.
CONTEXT stCtx ;
stCtx.ContextFlags = CONTEXT_FULL ;
// Get the thread context. Since I am doing this on the CURRENT
// executing thread, the context will be from down in the bowls of
// KERNEL32.DLL. Probably GetThreadContext itself.
if ( GetThreadContext ( GetCurrentThread ( ) , &stCtx ) )
{
STACKFRAME stFrame ;
DWORD dwMachine ;
ZeroMemory ( &stFrame , sizeof ( STACKFRAME ) ) ;
stFrame.AddrPC.Mode = AddrModeFlat ;
#if defined (_M_IX86)
dwMachine = IMAGE_FILE_MACHINE_I386 ;
stFrame.AddrPC.Offset = stCtx.Eip ;
stFrame.AddrStack.Offset = stCtx.Esp ;
stFrame.AddrFrame.Offset = stCtx.Ebp ;
stFrame.AddrStack.Mode = AddrModeFlat ;
stFrame.AddrFrame.Mode = AddrModeFlat ;
#elif defined (_M_ALPHA)
dwMachine = IMAGE_FILE_MACHINE_ALPHA ;
stFrame.AddrPC.Offset = (unsigned long)stCtx.Fir ;
#else
#error ( "Unknown machine!" )
#endif
// Loop for the first 512 stack elements.
for ( DWORD i = 0 ; i < 512 ; i++ )
{
if ( FALSE == StackWalk ( dwMachine ,
hProcess ,
hProcess ,
&stFrame ,
&stCtx ,
NULL ,
SymFunctionTableAccess ,
GetModBase ,
NULL ) )
{
break ;
}
// Also check that the address is not zero. Sometimes
// StackWalk returns TRUE with a frame of zero.
if ( 0 != stFrame.AddrPC.Offset )
{
vAddrs.push_back ( stFrame.AddrPC.Offset ) ;
}
}
// Now start converting the addresses.
DWORD dwSizeLeft = dwSize ;
DWORD dwSymSize ;
TCHAR szSym [ MAX_PATH * 2 ] ;
LPTSTR szCurrPos = szString ;
BOOL bSeenDiagAssert = FALSE ;
ADDRVECTOR::iterator loop ;
for ( loop = vAddrs.begin ( ) ;
loop != vAddrs.end ( ) ;
loop++ )
{
dwSymSize = ConvertAddress ( *loop , szSym ) ;
// Throw out everything with DiagAssert.cpp in it.
if ( _tcsstr ( szSym , _T ( "DiagAssert.cpp" ) ) )
{
bSeenDiagAssert = TRUE ;
continue ;
}
// Throw out anything before the functions in
// DiagAssert.cpp
if ( FALSE == bSeenDiagAssert )
{
continue ;
}
if ( dwSizeLeft < dwSymSize )
{
break ;
}
_tcscpy ( szCurrPos , szSym ) ;
szCurrPos += dwSymSize ;
dwSizeLeft -= dwSymSize ;
}
}
}
void DoStackTrace ( LPTSTR szString ,
DWORD dwSize ,
DWORD dwNumSkip )
{
HANDLE hProcess = GetCurrentProcess ( ) ;
// If the symbol engine is not initialized, do it now.
if ( FALSE == g_bSymIsInit )
{
DWORD dwOpts = SymGetOptions ( ) ;
// Turn on load lines.
SymSetOptions ( dwOpts |
SYMOPT_LOAD_LINES ) ;
if ( FALSE == g_cSym.SymInitialize ( hProcess ,
NULL ,
FALSE ) )
{
//dsi_PrintToConsole("DoStackTrace : Unable to initialize the symbol engine!!!");
}
else
{
g_bSymIsInit = TRUE ;
}
}
// The symbol engine is initialized so do the stack walk.
// The array of addresses.
ADDRVECTOR vAddrs ;
// The thread information.
CONTEXT stCtx ;
stCtx.ContextFlags = CONTEXT_FULL ;
if ( GetThreadContext ( GetCurrentThread ( ) , &stCtx ) )
{
STACKFRAME stFrame ;
DWORD dwMachine ;
ZeroMemory ( &stFrame , sizeof ( STACKFRAME ) ) ;
stFrame.AddrPC.Mode = AddrModeFlat ;
#ifdef _M_IX86
dwMachine = IMAGE_FILE_MACHINE_I386 ;
#else
dwMachine = IMAGE_FILE_MACHINE_AMD64;
#endif
#ifdef _M_IX86
stFrame.AddrPC.Offset = stCtx.Eip ;
stFrame.AddrStack.Offset = stCtx.Esp ;
#else
stFrame.AddrPC.Offset = stCtx.Rip ;
stFrame.AddrStack.Offset = stCtx.Rsp ;
#endif
stFrame.AddrStack.Mode = AddrModeFlat ;
#ifdef _M_IX86
stFrame.AddrFrame.Offset = stCtx.Ebp ;
#else
stFrame.AddrFrame.Offset = stCtx.Rbp ;
#endif
stFrame.AddrFrame.Mode = AddrModeFlat ;
// Loop for the first 512 stack elements.
for ( DWORD i = 0 ; i < 512 ; i++ )
{
if ( FALSE == StackWalk ( dwMachine ,
hProcess ,
hProcess ,
&stFrame ,
&stCtx ,
NULL ,
SymFunctionTableAccess ,
GetModBase ,
NULL ) )
{
// [KLS 4/5/02] The optimization bug doesn't occur if you touch the
// variable "i" here (e.g., call dsi_PrintToConsole("i = %d", i); )
// ...I love compiler bugs ;)
break ;
}
if ( i > dwNumSkip )
{
// Also check that the address is not zero. Sometimes
// StackWalk returns TRUE with a frame of zero.
if ( 0 != stFrame.AddrPC.Offset )
{
vAddrs.push_back ( stFrame.AddrPC.Offset ) ;
}
}
}
// Now start converting the addresses.
DWORD dwSizeLeft = dwSize ;
DWORD dwSymSize ;
TCHAR szSym [ MAX_PATH * 2 ] ;
LPTSTR szCurrPos = szString ;
ADDRVECTOR::iterator loop ;
for ( loop = vAddrs.begin ( ) ;
loop != vAddrs.end ( ) ;
loop++ )
{
dwSymSize = ConvertAddress ( *loop , szSym ) ;
if ( dwSizeLeft < dwSymSize )
{
break ;
}
_tcscpy ( szCurrPos , szSym ) ;
szCurrPos += dwSymSize ;
dwSizeLeft -= dwSymSize ;
}
}
}
