On Mon, Mar 30, 2009 at 12:34 PM, Roland McGrath <roland@xxxxxxxxxx> wrote: >> On Mon, Mar 30, 2009 at 11:35 AM, Roland McGrath <roland@xxxxxxxxxx> wrote: >> > All of the "resuming" ptracer requests treat the data argument the same. >> > Those are PTRACE_CONT, PTRACE_SYSCALL, PTRACE_*STEP, PTRACE_SYSEMU*. >> > The data argument is either 0 or a signal number. >> > The addr argument is ignored by all these. >> >> Thanks for jumping in Roland. >> >> So, for PTRACE_SYSCALL, the sameantics are like PTRACE_CONT, that is, >> it is interpreted as a signal to be sent to the child. Right? > > For all those requests, yes. Hmmm. The existing man page includes this text: PTRACE_SYSEMU, PTRACE_SYSEMU_SINGLESTEP (since Linux 2.6.14) ... (addr and data are ignored; ... which according to what you've said (and also according to my reading of the source), is wrong. Correct? Cheers, Michael -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ git://git.kernel.org/pub/scm/docs/man-pages/man-pages.git man-pages online: http://www.kernel.org/doc/man-pages/online_pages.html Found a bug? http://www.kernel.org/doc/man-pages/reporting_bugs.html -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html