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Re: Page Faults Defined



On Sat, 28 Sep 2002 09:15, Richard Braakman wrote:
> The "segmentation" part of "segmentation fault" could be reinterpreted
> to refer to "program segments" as defined by the ELF format.  You can
> see them in /proc/1/maps, for example.  By extension, user-level mmap
> is a way to dynamically create new segments.  Then accessing memory
> that's not part of a segment is a "segmentation fault", and it's exactly
> what libsigsegv handles.
>
> (I have no idea if this is the actual derivation of the signal name,
> or whether it's a holdover from segmented memory architectures.)

I believe that it's the actual derivation of the name.  SEGV dates back to the 
days of fence registers...

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