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Hey thanks for replying. I was actually worried about a class of JMP instructions which are
1) FF : JMP (near) absolute to address given in operand (16 or 32 bit)
2) EA : JMP (far) absolute address...

Do I use gcc -pie -fpie option?

How do I do that? As in what gcc options do I give to ensure that it does not generate absolute jumps?

As in I would Have to explain an entire topic of security research on this thread in order to explain that I am trying to do something legitimate. However I can give one argument which may or may not...

Ok, its tough for me to explain that what I am doing is legitimate. It is part of a long code that is meant to find if there are any issues in the system. The threat model I have in hand is forcing...

Its part of a long code that is meant to prevent evil.

Hey thanks for replying. What I am trying to do is Inject this code (well not this code but a different code without any function calls like printf) during run-time into a running process. The reason...

I compiled a program without the main routine in it.


#include <stdio.h>
void blank()
{
printf("\n Hello World");
}