public SymDumpParam(SYM_DUMP_PARAM nativeSdp)
{
Name = Marshal.PtrToStringAnsi(nativeSdp.sName);
Address = nativeSdp.addr;
ModBase = nativeSdp.ModBase;
TypeId = nativeSdp.TypeId;
TypeSize = nativeSdp.TypeSize;
PointerFlag = (PointerFlag)(nativeSdp.Flags & 0x0003);
IsArray = 0 != (nativeSdp.Flags & 0x0004);
IsStruct = 0 != (nativeSdp.Flags & 0x0008);
IsConstant = 0 != (nativeSdp.Flags & 0x0010);
} // end constructor
} // end constructor
public IList <FieldInfo> GetSymbolFields(uint typeId, ulong modBase)
{
SYM_DUMP_PARAM sdp = new SYM_DUMP_PARAM();
sdp.size = (uint)Marshal.SizeOf(sdp);
sdp.Options = DbgDump.NO_PRINT | DbgDump.CALL_FOR_EACH;
sdp.ModBase = modBase; // presumably this makes it so we don't have to search all modules? (it's doc'ed as an 'out' param)
List <FieldInfo> fields = new List <FieldInfo>();
GCHandle gchFields = GCHandle.Alloc(fields);
SYM_DUMP_FIELD_CALLBACK callback = new SYM_DUMP_FIELD_CALLBACK(_My_SYM_DUMP_FIELD_CALLBACK);
sdp.Context = GCHandle.ToIntPtr(gchFields);
sdp.CallbackRoutine = Marshal.GetFunctionPointerForDelegate(callback);
sdp.TypeId = typeId;
try
{
int err = Ioctl(IoctlCode.DumpSymbolInfo, sdp);
if (0 != err)
{
// TODO: proper error
throw new Exception(String.Format("Ioctl for DumpSymbolInfo returned: {0}", err));
}
DebugModuleAndId dmai = new DebugModuleAndId(modBase, typeId);
foreach (var field in fields)
{
field.OwningType = dmai;
}
return(fields.AsReadOnly());
}
finally
{
gchFields.Free();
GC.KeepAlive(callback);
}
} // end GetSymbolFields
