Sven Barth schrieb:
But the debugger can ask the OS to write protect a page or to enable a
page guard (which triggers on write access) and then the corresponding
signal/exception can be catched. This reduces the checks necessary from
the complete process memory down to only the page size.
Note: I don't know whether it's implemented like that in any debugger,
this is just a theory of mine.
Every (reasonable) OS provides such features in its debug API. Available
support depends on the actual hardware, of course.
DoDi
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