Can a address that exist in memory be sheilded i.e. No pointer can access that address

Question

1.00/5 (3 votes)

See more:

C++

void * ptr=0xFFFF0;

What I have tried:

it can be done in assembly language through far jump but how can it be done in c or c++.
pointer can access any address but can it be avoid to access to save a address

Posted 24-Mar-16 5:34am

Ravinder Singh

Updated 24-Mar-16 5:37am

Add a Solution

Comments

Sergey Alexandrovich Kryukov 24-Mar-16 19:43pm

In what OS, CPU?
—SA

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Duncan Edwards Jones · Answer 1 · 2016-03-24T05:37:00

Solution 1

You could try VirtualProtectEx with the memory protection option: PAGE_NOACCESS?

Posted 24-Mar-16 5:37am

Duncan Edwards Jones

Comments

Ravinder Singh 24-Mar-16 11:58am

i want to code in pure c or c++ no mixing

Dave Kreskowiak 24-Mar-16 12:42pm

There's no such thing in C/C++. This is functionality that would be exposed by the operating system (if available), not the by the C/C++ language.