Re: CVS commit: src/sys/kern

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

On Apr 21, 2013, at 2:15 AM, David Laight <david%l8s.co.uk@localhost> wrote:

> On Sat, Apr 20, 2013 at 02:17:17PM -0700, Matt Thomas wrote:
>> 
>> On Apr 20, 2013, at 11:04 AM, Christos Zoulas 
>> <christos%NetBSD.org@localhost> wrote:
>> 
>>> Module Name:        src
>>> Committed By:       christos
>>> Date:               Sat Apr 20 18:04:41 UTC 2013
>>> 
>>> Modified Files:
>>>     src/sys/kern: kern_exec.c
>>> 
>>> Log Message:
>>> don't attempt to load elf64 on 32 bit machines
>> 
>> if the load address doesn't fit in 4GB.
>> 
>> I've run elf64(n64) on mips n32 kernel with no problems.
> 
> Isn't an n32 kernel a 64bit one that uses 32bit pointers?
> A little unusual.
> 
> Doesn't that require a COMPAT_64 layer in the kernel?
> Since user pointers will be 64bit and kernel ones only 32.

I cheated and used objcopy to convert a N32 binary to N64.