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Re: [LI] Modules ??
On Tue, Jan 11, 2000 at 04:45:59PM +0530, Syed Khader Vali wrote:
> Hi Folks,
> Can a module access the system data structures and change them (GDT, LDT etc.,)
Yes, you can. There is no mechanism to prevent it.
SVR4 on the other hand has a Device driver interface (DDI) and the module
loader checks all the unresolved symbols to make sure that no functions
outside the DDI are accessed. If such a violation is present, it will
refuse to load the driver.
-Arun
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