The kernel will now read pinsyscall tables out of PT_OPENBSD_SYSCALLS in

The kernel will now read pinsyscall tables out of PT_OPENBSD_SYSCALLS in
the main program or ld.so, and accept a submission of that information
for libc.so from ld.so via pinsyscalls(2).  At system call invocation,
the syscall number is matched to the specific address it must come from.
ok kettenis, gnezdo, testing of variations by many people