What's the process memory layout on FreeBSD/ia64?

[Vitaly Magerya]

On 2014-04-25 20:23, I wrote:
> Now, on other FreeBSD architectures the position of the data
> segment are taken from 'etext', 'edata' and 'end' addresses. The
> position of the stack is taken from 'kern.usrstack' sysctl. Where
> should one get the position of the backing store on ia64 though?

Anyone?