Re: ptrace(2) PT_STEP changes and gdb

[Paul Koning <paul_koning%dell.com@localhost>]

On Aug 17, 2010, at 12:45 PM, Joerg Sonnenberger wrote:

> On Tue, Aug 17, 2010 at 12:12:31PM -0400, Paul Koning wrote:
>> If the goal is to allow older GDB binaries to continue to run, that's
>> a different matter.  But in fact such binaries don't function in a
>> useful way except with single-threaded applications, so keeping them
>> running doesn't seem like a particularly interesting goal.
> 
> I would think it is useful enough to be able to chroot(8) into a
> netbsd-5 userland and expect it to work. I am also not sure if there are
> other users of ptrace(2) that have the same issue. A huge lot of
> programs is still single threaded, so it shouldn't be broken without
> good reason.

Fair enough.  But if GDB is the only real user of ptrace then fixing that would 
be easiest.

I don't understand the reference to chroot.  How does that relate to PT_STEP?

        paul