How memory access violation should be handled ?

[Sebastian Huber]

On 07/04/2013 04:40 AM, Hesham Moustafa wrote:
> Hi,
>
> What's the best way(s) to handle memory exceptions that result from memory
> access and permission violations ? for example, what should happen if an area
> of memory set to be read only and a thread tried to write data into this area ?
> Currently I am using it in debugging purpose to monitor exception handling and
> get some details, bit what should happen in practice ?

The systems should end up in an exception which should call

   rtems_fatal(
     RTEMS_FATAL_SOURCE_EXCEPTION,
     (rtems_fatal_code) exception_frame_pointer
   );

This is all a single address space operating system can do.  The fatal 
extensions can then deal with the error.

-- 
Sebastian Huber, embedded brains GmbH

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