servo/servo — pull request #4237 by froydnj (2014-12-05 05:54:25+00:00)
Title: add basic |mach rr-{record,replay}| commands

These are very basic commands for invoking Servo underneath rr. rr
currently doesn't support all the syscalls that Servo requires, but
that's easy to fix on the rr side.

Fixes #4177.