How does a debugger work? In other words how do programs which share the Address space of another program work?

How does a debugger work? In other words how do programs w开发者_如何学编程hich share the Address space of another program work? How will they have ability to write on to another process' address space?

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The answer to your question will vary per operating system. I'll just quickly orient you towards the appropriate documentation for the Win32 platform. The short answer is that they don't, instead there is a win32 api for this sort of work.

The main article on the subject is listed here.