Re: Problem with using PT_SYSCALL.

[uwe%stderr.spb.ru@localhost (Valeriy E. Ushakov)]

Artem Anisimov <aanisimov%inbox.ru@localhost> wrote:

>  The attached problem is supposed to run "/bin/ls /" and stop at
> every system call it makes. The problem is that
> ptrace(PT_SYSCALL,...) at the end of the main loop seems simply to
> resume the child and make it run until it exits, but not until it
> makes a system call.
> 
>  Attached program works as expected under FreeBSD and Linux, so I
> believe there is some detail that needs to be taken into account for
> NetBSD and that I have missed.

Seems to work for me under NetBSD/macppc 4-stable and
NetBSD/landisk 5.99.24:

...
child stopped by signal 5 (Trace/BPT trap)
resuming the child
altroot   etc       lib       modules   root      testroot
child stopped by signal 5 (Trace/BPT trap)
resuming the child
child stopped by signal 5 (Trace/BPT trap)
resuming the child
...

-uwe