Enforce memory protection at compile time?, Operating System

Assignment Help:

Why is it not possible to enforce memory protection at compile time?

 Every process should be protected against unwanted interference by other process, whether intentional or accidental. Therefore programs in other process must not be able to reference memory locations in a process for reading or writing purposes without permission.

      Satisfaction of relocation requirements add to the difficulty in satisfying the protection requirement. For the reason that the location of the program in main memory is unpredictable, it is unfeasible to check absolute addresses at compile time to assure protection. The majority programming languages permit the dynamic calculation at the run time. Therefore all memory    references generated by a process should check at run time to ensure that they refer only to the memory space allocated to that process. It is able to be seen that the mechanism that supports relocation also supports protection.

 


Related Discussions:- Enforce memory protection at compile time?

#title. operation research, What are the features of Operation Research app...

What are the features of Operation Research approach?

Explain page-replacement algorithms, Q. Consider the following page-replac...

Q. Consider the following page-replacement algorithms. Rank the algorithms on a five-point scale from "bad" to "perfect" according to their page-fault rate. Detach those algorithm

Malloc, I need help implementing malloc

I need help implementing malloc

MICROKERNEL, ADVANTAGES OF MICROFERNEL IN YSTEM DESIGN?

ADVANTAGES OF MICROFERNEL IN YSTEM DESIGN?

Explain the tlssetvalue (tlsindex, Explain the TlsSetValue (TLSindex, dataP...

Explain the TlsSetValue (TLSindex, dataPtr)Function The TlsSetValue function  associates the  dataPtr passed as a parameter as local storage for the requesting thread. The asso

What is multiprogramming?, What is multiprogramming? Multiprogramming: ...

What is multiprogramming? Multiprogramming: The management of many processes within a single processor system. Operating systems such like UNIX provide multiprogramming for sha

Calculate the average waiting time, Calculate the Average Waiting Time ...

Calculate the Average Waiting Time CPU burst time points out the time, the process needs the CPU. The subsequent are the set of processes with their respective CPU burst time (

What is file allocation?, What is File Allocation? The structure that ...

What is File Allocation? The structure that offers the FAT file system its name is the file allocation table . In order to know what this important table does, you should fir

Managing outside communication, Problem: Managing Outside Communication...

Problem: Managing Outside Communication. a. What is the principal action we use when communicating through a web browser? b. Give an example of how to preaddress an email

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd