[fpc-devel] OT: Code generation

[Nikolay Nikolov]

On 04/11/2014 11:22 AM, Mark Morgan Lloyd wrote:
> Knowing that there are some good compiler guys in here: does anybody 
> remember a paper and set of patches for GCC that randomises register 
> allocation and makes random choices for the code generator (e.g. zero 
> a register either by xor a,a or sub a,a etc.) in order to give buffer 
> overflows less to bite on? Any URLs etc. would be much appreciated.
>
> Could such a thing be done for FPC? :-)
>
For FPC I think it's better for security critical code to use only the 
managed datastructures (strings, dynarrays) and compile it with range 
checking on (and perhaps even overflow checking).

Nikolay