stackDump::stackDump(){
if( hDbgHelpDll == 0 )
{
// If you do not get symbols in the stack trace, it could be because the version of dbghelp.dll
// in your path is too old. You can download a new one from
// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/debug/base/dbghelp_versions.asp
// And set an explicit path for the dll to load
// extern const char* hkStackTracerDbghelpPath;
// hkStackTracerDbghelpPath = "C:\\Program Files\\Debugging Tools for Windows\\dbghelp.dll";
hDbgHelpDll = LoadLibrary(hkStackTracerDbghelpPath);
FATAL_ERROR(!hDbgHelpDll, mT("Unable to load dbghelp.dll"));
s_DllReferences = 1;
LOAD_FUNCTION(SymInitialize);
LOAD_FUNCTION(SymGetOptions);
LOAD_FUNCTION(SymSetOptions);
LOAD_FUNCTION(SymGetSymFromAddr);
LOAD_FUNCTION(StackWalk64);
LOAD_FUNCTION(SymFunctionTableAccess64);
LOAD_FUNCTION(SymGetModuleBase64);
LOAD_FUNCTION(SymGetLineFromAddr64);
DWORD symOptions = pSymGetOptions();
symOptions |= SYMOPT_LOAD_LINES | SYMOPT_DEBUG;
pSymSetOptions( symOptions );
BOOL initsymbols = pSymInitialize( GetCurrentProcess(), 0, TRUE);
FATAL_ERROR(!initsymbols,mT(""));
}
else
{
s_DllReferences += 1;
}
}
QString lookUpAddresses(const QList<DWORD64>& stackFrames){
QStringList result(initDebugHelp());
static HMODULE dbghelp = LoadLibraryA("dbghelp.dll");
if (!dbghelp) return "failed to load dbghelp.dll";
LOAD_FUNCTIONREQ(SymGetSymFromAddr64, "SymGetSymFromAddr64");
LOAD_FUNCTION(SymGetLineFromAddr64, "SymGetLineFromAddr64");
HANDLE process = GetCurrentProcess();
_IMAGEHLP_SYMBOL64* symbol = (_IMAGEHLP_SYMBOL64*)malloc(sizeof(_IMAGEHLP_SYMBOL64) + 256);
for (int i=0;i<stackFrames.size();i++) {
DWORD64 displacement = 0;
DWORD displacement32 = 0;
ZeroMemory(symbol, sizeof(_IMAGEHLP_SYMBOL64));
symbol->SizeOfStruct = sizeof(_IMAGEHLP_SYMBOL64);
symbol->MaxNameLength = 256;
_IMAGEHLP_LINE64 line;
QString cur = QString::number(stackFrames[i], 16)+": ";
if ((*SymGetSymFromAddr64)(process, stackFrames[i], &displacement, symbol))
cur += QString::fromLocal8Bit(symbol->Name)+"+"+QString::number(displacement);
else
cur += "??? error: " + QString::number(GetLastError());
if (SymGetLineFromAddr64) {
if ((*SymGetLineFromAddr64)(process, stackFrames[i], &displacement32, &line))
cur += " in " + QString::fromLocal8Bit(line.FileName)+":"+QString::number(line.LineNumber);
}
result << cur;
}
return result.join("\r\n");
}
