private void symbolParser_DbgIDRSDSTraceData(DbgIDRSDSData obj)
{
string pdbFile = obj.PdbFileName;
Guid pdbGuid = obj.GuidSig;
if (!symbolFiles.ContainsKey(pdbFile))
{
// unsafe, but OK to do for now,
// other options is to Marshal.AllocHGlobal.
// other option is to use fixed in unsafe code
// other option ....?1
GCHandle handle = GCHandle.Alloc(pdbGuid, GCHandleType.Pinned);
IntPtr guidPtr = handle.AddrOfPinnedObject();
//
StringBuilder pdbFullPath = new StringBuilder(1024);
// Try To locate the symbol file.
//tmm.pdbWith Guid2d244915-4bd6-4d74-a496-8877396f5510
bool foundPDB = TraceEventNativeMethods.SymFindFileInPathW(contextInfo.currentProcessHandle,
null,
pdbFile,
guidPtr,
(int)obj.Age,
0,
TraceEventNativeMethods.SSRVOPT_GUIDPTR,
pdbFullPath,
null,
IntPtr.Zero);
int lastError = Marshal.GetLastWin32Error();
if (lastError == 0x2) // path not found
{
Console.WriteLine("Can't find symbol for " + pdbFile);
Console.WriteLine("are you sure _NT_SYMBOL_PATH is set?"); // check if _NT_SYMBOL_PATH is set
}
if (foundPDB)
{
PDBInfo info = new PDBInfo()
{
pdbFullPath = pdbFullPath.ToString(), pdbImageBase = (ulong)obj.ImageBase
};
symbolFiles.Add(pdbFile, info);
}
else
{
symbolFiles.Add(pdbFile, null);
}
handle.Free();
}
}
public unsafe ulong LoadSymModule(string moduleName, ulong moduleBase)
{
// given a module file name *.exe or .dll, we will try to find a matching .PDB symbol and load it.
Console.WriteLine("Trying to load symbol for file" + moduleName);
// lookup the image name
string moduleFileName = System.IO.Path.GetFileName(moduleName);
string pdbFileName = System.IO.Path.ChangeExtension(moduleFileName, ".pdb");
if (symbolFiles.ContainsKey(pdbFileName))
{
PDBInfo info = symbolFiles[pdbFileName];
if (info != null)
{
return(TraceEventNativeMethods.SymLoadModuleExW(contextInfo.currentProcessHandle,
IntPtr.Zero, info.pdbFullPath, null, info.pdbImageBase, (uint)0x10000000, null, (uint)0));
}
}
return(0);
}
private void symbolParser_DbgIDRSDSTraceData(DbgIDRSDSData obj)
{
string pdbFile = obj.PdbFileName;
Guid pdbGuid = obj.GuidSig;
if (!symbolFiles.ContainsKey(pdbFile))
{
// unsafe, but OK to do for now,
// other options is to Marshal.AllocHGlobal.
// other option is to use fixed in unsafe code
// other option ....?1
GCHandle handle = GCHandle.Alloc(pdbGuid, GCHandleType.Pinned);
IntPtr guidPtr = handle.AddrOfPinnedObject();
//
StringBuilder pdbFullPath = new StringBuilder(1024);
// Try To locate the symbol file.
//tmm.pdbWith Guid2d244915-4bd6-4d74-a496-8877396f5510
bool foundPDB = TraceEventNativeMethods.SymFindFileInPathW(contextInfo.currentProcessHandle,
null,
pdbFile,
guidPtr,
(int)obj.Age,
0,
TraceEventNativeMethods.SSRVOPT_GUIDPTR,
pdbFullPath,
null,
IntPtr.Zero);
int lastError = Marshal.GetLastWin32Error();
if (lastError == 0x2) // path not found
{
Console.WriteLine("Can't find symbol for " + pdbFile);
Console.WriteLine("are you sure _NT_SYMBOL_PATH is set?"); // check if _NT_SYMBOL_PATH is set
}
if (foundPDB)
{
// Lookup in _NT_SYMBOL_PATH failed, try to get one from the path.
// TODO: check this
// TODO: enable Symbol Cache, so that we optimize in the future.
// pdbFullPath = pdbStrFullPath.ToString();
// Console.WriteLine("Found A PDB file @ " + pdbFullPath);
//Console.WriteLine("Found a PDB file for " + pdbFile);
PDBInfo info = new PDBInfo() { pdbFullPath = pdbFullPath.ToString(), pdbImageBase = (ulong)obj.ImageBase };
symbolFiles.Add(pdbFile, info);
// Try to load the symbol file here.
unsafe
{
//ulong symHandle = TraceEventNativeMethods.SymLoadModuleExW(this.currentProcessHandle,
// IntPtr.Zero, pdbFullPath.ToString(),
// null, (ulong)obj.ImageBase,
// 0x1000000, null, 0);
// let us enumerate all the symbols.. just to check out if this is working.
//TraceEventNativeMethods.SymEnumSymbolsW(currentProcessHandle, symHandle, "*", this.SymEnumSymbolsProc, IntPtr.Zero);
// unload
//TraceEventNativeMethods.SymUnloadModule64(currentProcessHandle, symHandle);
}
}
else
{
symbolFiles.Add(pdbFile, null);
}
handle.Free();
}
}
