Re: [Sbcl-devel] Hardened Kernels and _syscall macro

[Nathan F. <fr...@cs...>]

On Thu, Aug 11, 2005 at 07:45:58PM -0600, Tyler Berry wrote:
> I've attached the updated syscall(2) patch. This patch should be fine  
> for everybody.

Thanks.  Committed in 0.9.3.49.

> I've attached a second patch which forces the -fno-pie and -nopie  
> options on the compiler and linker for x86-linux, x86_64-linux, and  
> ppc-linux. It maybe ought to go in more places too, and I'm not  
> certain whether this could cause compilers without pie support to  
> break. If somebody could test this patch on a gcc that doesn't have  
> pie support, and maybe on another cc as well, that could confirm it.  
> Ideally this would be tested for and set dynamically.

I did not commit this patch, as light testing with the gcc on my work
box indicated that -fno-pie was not a valid option.  As you mention,
the Right Thing is to use this option only if the used gcc supports it.
I do not know how one might go about doing this.
-- 
Nathan | From Man's effeminate slackness it begins.  --Paradise Lost

The last good thing written in C was Franz Schubert's Symphony Number 9.
                                               --Erwin Dieterich