There's a bitcode spec [1] and a stability doc [2]. 1 - https://developers.google.com/native-client/dev/reference/pnacl-bitcode-abi https://developers.google.c

There's a bitcode spec [1] and a stability doc [2]. 1 - https://developers.google.com/native-client/dev/reference/pnacl-bitcode-abi https://developers.google.com/native-client/dev/reference/pn... 2 - http://www.chromium.org/nativeclient/pnacl/stability-of-the-pnacl-bitcode-abi http://www.chromium.org/nativeclient/pnacl/stability-of-the-...