sBool PDBFileReader::ReadDebugInfo(sChar *fileName,DebugInfo &to)
{
sBool readOk = sFALSE;
if(FAILED(CoInitialize(0)))
return sFALSE;
IDiaDataSource *source = 0;
CoCreateInstance(__uuidof(DiaSource),0,CLSCTX_INPROC_SERVER,
__uuidof(IDiaDataSource),(void**) &source);
if(source)
{
wchar_t wideFileName[260];
mbstowcs(wideFileName,fileName,260);
if(SUCCEEDED(source->loadDataForExe(wideFileName,0,0)))
{
if(SUCCEEDED(source->openSession(&Session)))
{
ReadEverything(to);
readOk = sTRUE;
Session->Release();
}
}
source->Release();
}
CoUninitialize();
return readOk;
}
sBool PDBFileReader::ReadDebugInfo(sChar *fileName,DebugInfo &to)
{
static const struct DLLDesc
{
const char *Filename;
IID UseCLSID;
} DLLs[] = {
"msdia71.dll", __uuidof(DiaSource71),
"msdia80.dll", __uuidof(DiaSource80),
"msdia90.dll", __uuidof(DiaSource90),
// add more here as new versions appear (as long as they're backwards-compatible)
0
};
sBool readOk = false;
if(FAILED(CoInitialize(0)))
{
fprintf(stderr, " failed to initialize COM\n");
return false;
}
IDiaDataSource *source = 0;
HRESULT hr = E_FAIL;
// Try creating things "the official way"
for(sInt i=0;DLLs[i].Filename;i++)
{
hr = CoCreateInstance(DLLs[i].UseCLSID,0,CLSCTX_INPROC_SERVER,
__uuidof(IDiaDataSource),(void**) &source);
if(SUCCEEDED(hr))
break;
}
if(FAILED(hr))
{
// None of the classes are registered, but most programmers will have the
// DLLs on their system anyway and can copy it over; try loading it directly.
for(sInt i=0;DLLs[i].Filename;i++)
{
HMODULE hDIADll = LoadLibrary(DLLs[i].Filename);
if(hDIADll)
{
typedef HRESULT (__stdcall *PDllGetClassObject)(REFCLSID rclsid,REFIID riid,void** ppvObj);
PDllGetClassObject DllGetClassObject = (PDllGetClassObject) GetProcAddress(hDIADll,"DllGetClassObject");
if(DllGetClassObject)
{
// first create a class factory
IClassFactory *classFactory;
hr = DllGetClassObject(DLLs[i].UseCLSID,IID_IClassFactory,(void**) &classFactory);
if(SUCCEEDED(hr))
{
hr = classFactory->CreateInstance(0,__uuidof(IDiaDataSource),(void**) &source);
classFactory->Release();
}
}
if(SUCCEEDED(hr))
break;
else
FreeLibrary(hDIADll);
}
}
}
if(source)
{
wchar_t wideFileName[260];
mbstowcs(wideFileName,fileName,260);
if(SUCCEEDED(source->loadDataForExe(wideFileName,0,0)))
{
if(SUCCEEDED(source->openSession(&Session)))
{
ReadEverything(to);
readOk = true;
Session->Release();
}
else
fprintf(stderr," failed to open DIA session\n");
}
else
fprintf(stderr," failed to load debug symbols (PDB not found)\n");
source->Release();
}
else
fprintf(stderr," couldn't find (or properly initialize) any DIA dll, copying msdia*.dll to app dir might help.\n");
CoUninitialize();
return readOk;
}
