comex/datautils0

git clone git@github.com:comex/datautils0.git
cd datautils0
git clone git@github.com:comex/data.git
make BUILD=native
native/make_kernel_patchfile /path/to/kernelcache /tmp/patchfile
native/apply_patchfile /path/to/kernelcache /tmp/patchfile /output/patched/kernelcache

Patchfile format:

field        length
--------------------
namelen      4
name         namelen
addr         4
datalen      4
data         datalen

- If the address is 0, skip.

- If you're patching the kernel after it has already booted, you can (but need not) skip patches with names starting with "-".