Re: New Raspberry Pi image

[Matt Thomas <matt%3am-software.com@localhost>]

On Jan 27, 2013, at 5:59 AM, Andrew Cagney wrote:

> What is to stop an old kernel running the new abi in compact mode or hacking 
> the syscalls to be backward compatible? This in a chroot would be easier to 
> debug as well.
> 
> (One thing that could make this harder is of course structure layout 
> changing; got a pointer to the abi?)

And yes structure layout changes since uint64_t is now 8 byte align instead of 
4 byte aligned.

However, I've already abused COMPAT_NETBSD32 to do that.

If you add that to an evbarm kernel, that cause the "other" ABI to be supported.