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 ;
}
}
}
/** Print out a stacktrace. */
static void Stacktrace(LPEXCEPTION_POINTERS e, HANDLE hThread = INVALID_HANDLE_VALUE) {
PIMAGEHLP_SYMBOL pSym;
STACKFRAME sf;
HANDLE process, thread;
DWORD dwModBase, Disp;
BOOL more = FALSE;
int count = 0;
char modname[MAX_PATH];
pSym = (PIMAGEHLP_SYMBOL)GlobalAlloc(GMEM_FIXED, 16384);
BOOL suspended = FALSE;
CONTEXT c;
if (e) {
c = *e->ContextRecord;
thread = GetCurrentThread();
} else {
SuspendThread(hThread);
suspended = TRUE;
memset(&c, 0, sizeof(CONTEXT));
c.ContextFlags = CONTEXT_FULL;
// FIXME: This does not work if you want to dump the current thread's stack
if (!GetThreadContext(hThread, &c)) {
ResumeThread(hThread);
return;
}
thread = hThread;
}
ZeroMemory(&sf, sizeof(sf));
sf.AddrPC.Offset = c.Eip;
sf.AddrStack.Offset = c.Esp;
sf.AddrFrame.Offset = c.Ebp;
sf.AddrPC.Mode = AddrModeFlat;
sf.AddrStack.Mode = AddrModeFlat;
sf.AddrFrame.Mode = AddrModeFlat;
process = GetCurrentProcess();
// use globalalloc to reduce risk for allocator related deadlock
char* printstrings = (char*)GlobalAlloc(GMEM_FIXED, 0);
bool containsOglDll = false;
while (true) {
more = StackWalk(
IMAGE_FILE_MACHINE_I386, // TODO: fix this for 64 bit windows?
process,
thread,
&sf,
&c,
NULL,
SymFunctionTableAccess,
SymGetModuleBase,
NULL
);
if (!more || sf.AddrFrame.Offset == 0) {
break;
}
dwModBase = SymGetModuleBase(process, sf.AddrPC.Offset);
if (dwModBase) {
GetModuleFileName((HINSTANCE)dwModBase, modname, MAX_PATH);
} else {
strcpy(modname, "Unknown");
}
pSym->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL);
pSym->MaxNameLength = MAX_PATH;
char *printstringsnew = (char *)GlobalAlloc(GMEM_FIXED, (count + 1) * BUFFER_SIZE);
memcpy(printstringsnew, printstrings, count * BUFFER_SIZE);
GlobalFree(printstrings);
printstrings = printstringsnew;
if (SymGetSymFromAddr(process, sf.AddrPC.Offset, &Disp, pSym)) {
// This is the code path taken on VC if debugging syms are found.
SNPRINTF(printstrings + count * BUFFER_SIZE, BUFFER_SIZE, "(%d) %s(%s+%#0lx) [0x%08lX]", count, modname, pSym->Name, Disp, sf.AddrPC.Offset);
} else {
// This is the code path taken on MinGW, and VC if no debugging syms are found.
SNPRINTF(printstrings + count * BUFFER_SIZE, BUFFER_SIZE, "(%d) %s [0x%08lX]", count, modname, sf.AddrPC.Offset);
}
// OpenGL lib names (ATI): "atioglxx.dll" "atioglx2.dll"
containsOglDll = containsOglDll || strstr(modname, "atiogl");
// OpenGL lib names (Nvidia): "nvoglnt.dll" "nvoglv32.dll" "nvoglv64.dll" (last one is a guess)
containsOglDll = containsOglDll || strstr(modname, "nvogl");
++count;
}
if (containsOglDll) {
PRINT("This stack trace indicates a problem with your graphic card driver. "
"Please try upgrading or downgrading it. "
"Specifically recommended is the latest driver, and one that is as old as your graphic card. "
"Make sure to use a driver removal utility, before installing other drivers.");
}
if (suspended) {
ResumeThread(hThread);
}
for (int i = 0; i < count; ++i) {
PRINT("%s", printstrings + i * BUFFER_SIZE);
}
GlobalFree(printstrings);
GlobalFree(pSym);
}
