如何在C ++源代码，DLL或VC ++编译器创建的任何文件中查找所有全局变量？

I'm making my application thread-safe. One of the steps is to synchronize access or eliminate usages of global variables. I'm using Visual Studio. I can't find any good way to find all global variables in my codebase. It's impossible to create a good text search pattern and I can't find any helpful tool. Do you guys know any good way to do that? It could be a source code analysis tool or a binary file analyzer.I'm making my application thread-safe. One of t