Re: Linux emulation

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

On Apr 3, 2014, at 2:30 PM, Dennis Ferguson 
<dennis.c.ferguson%gmail.com@localhost> wrote:

> I think it can be enabled unconditionally.  I think the ABI the
> kernel was compiled for doesn't matter, it is the ABI the Linux
> binary was compiled for which causes things to change.  The executive
> decision would be whether the emulation code should run with Linux
> binaries of either ABI or whether just picking one ABI is sufficient.

Almost right.  non-EABI has a maximal alignment of 4 (long long have
an alignment of 4) while on EABI has a maximal alignment of 8.  This
causes structures to have different layouts which is why there is 
COMPAT_NETBSD32 support (for the other alignment).