tree 4b67d84e801e1a9fb8f43146fb02780d0c6af70e
parent e120b12750f3d56ac2f1795a4eee2645147da6fa
author Roland McGrath <mcgrathr@google.com> 1550275052 -0800
committer Roland McGrath <mcgrathr@google.com> 1550349752 -0800

[zircon] [gn] Build userboot

This brings in loadable_module() build support.  userboot is built in its
own bespoke environment and needs some bespoke actions using toolchain
utilities like nm, so some utility templates are provided for that pattern.

Bug: BLD-325
Test: gn gen && ninja

Change-Id: I2a246980dca36cd0a730656a621192e5475325d0