The BINDER_GET_NODE_DEBUG_INFO ioctl will return debug info on a node. Each successive call reusing the previous return value will return the next node. The data will be used by libmemunreachable to mark the pointers with kernel references as reachable. Bug: 28275695 Change-Id: I8a5f9463a62037329d95c7dc14021141ea57b64e Signed-off-by: Colin Cross <ccross@android.com> Signed-off-by: Martijn Coenen <maco@android.com>