FreeBSD-specific porting work.

cgo/libmach remain unimplemented. However, compilers, runtime,
and packages are 100%. I still need to go through and implement
missing syscalls (at least make sure they're all listed), but
for all shipped functionality, this is done. Ship! ;)

R=rsc, VenkateshSrinivas
https://golang.org/cl/152142
36 files changed
tree: cd7048f173aa5c41d4953e4e87e5bc8f08d7b8b4
  1. doc/
  2. include/
  3. lib/
  4. misc/
  5. pkg/
  6. src/
  7. test/
  8. .hgignore
  9. .hgtags
  10. AUTHORS
  11. CONTRIBUTORS
  12. favicon.ico
  13. LICENSE
  14. README