Symbol: cpu_getstack
sys/compat/freebsd32/freebsd32_misc.c
3015
oss.ss_onstack = sigonstack(cpu_getstack(td));
sys/kern/kern_sig.c
1708
oss.ss_onstack = sigonstack(cpu_getstack(td));
sys/kern/kern_sig.c
1755
oonstack = sigonstack(cpu_getstack(td));