bpf: divide up the level generation code
bpf: divide up the level generation code

This avoids us having to worry about long jumps inside an
instruction block.  We still have to worry about long jumps between
two separate blocks.

Signed-off-by: Paul Moore <88a1d58bf22a647dce58dd91f9595600dceabba9@redhat.com>

amluto/libseccomp,amluto/libseccomp,amluto/libseccomp,seccomp/libseccomp,seccomp/libseccomp,seccomp/libseccomp