On Mon, Sep 03, 2018 at 01:26:15PM -0400, Joseph C. Sible wrote: > Signed-off-by: Joseph C. Sible <josephcsible@xxxxxxxxx> > --- > man2/ptrace.2 | 23 ++++++++++++++++------- > 1 file changed, 16 insertions(+), 7 deletions(-) > > diff --git a/man2/ptrace.2 b/man2/ptrace.2 > index aea63d2..69699cc 100644 > --- a/man2/ptrace.2 > +++ b/man2/ptrace.2 [...] > @@ -735,6 +728,22 @@ argument is treated as for > .RI ( addr > is ignored.) > .TP > +.BR PTRACE_SET_SYSCALL " (since Linux 2.6.16)" > +.\" commit 3f471126ee53feb5e9b210ea2f525ed3bb9b7a7f > +When in syscall-enter-stop, change the number of the syscall about to > +be executed to the number specified in the > +.I data > +argument. The > +.I addr > +argument is ignored. This request is currently > +.\" As of 4.19-rc2 > +supported only on arm (and arm64, though only for backwards compatibility), > +.\" commit 27aa55c5e5123fa8b8ad0156559d34d7edff58ca > +but most other architectures have other means of accomplishing this > +(usually by changing the register that the userland code passed the > +syscall number in). > +.\" see change_syscall in tools/testing/selftests/seccomp/seccomp_bpf.c I suggest replacing the reference to that huge file with a reference to syscall(2) manpage that contains more detailed information in a much more readable form. -- ldv
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