Re: Read-only memory on x86?

Erik Mouw (J.A.K.Mouw@ITS.TUDelft.NL)
Wed, 16 May 2001 14:20:55 +0200


On Wed, May 16, 2001 at 05:10:33AM -0700, A Dell'elce wrote:
> Can I set a memory area or "page" to be read-only, i.e.
> generate an interrupt when writing is attempted to a certain
> page/area?

man mmap and catch SIGSEGV. Or see how the DOSemu VGA emulator
manipulates the virtual VGA memory.

Erik

-- 
J.A.K. (Erik) Mouw, Information and Communication Theory Group, Department
of Electrical Engineering, Faculty of Information Technology and Systems,
Delft University of Technology, PO BOX 5031,  2600 GA Delft, The Netherlands
Phone: +31-15-2783635  Fax: +31-15-2781843  Email: J.A.K.Mouw@its.tudelft.nl
WWW: http://www-ict.its.tudelft.nl/~erik/
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