add a typedef for wordsize::unsigned_long
add definitions for sizeof-only types
use new definitions in record_syscall.cc
Flesh out kernel_abi structures to match actual definitions.
Templateize some more functions over Arch.
Reject negative-numbered syscalls in rec_process_syscall.
Template rec_process_syscall on Arch.
Move ipc_kluge_args to kernel_abi.h.
Try to fix the travis-ci build.
checkpoint
checkpoint
cleanup
checkpoint
checkpoint
checkpoint
trivial