doc/langref.html.in             |   3 +-
 lib/std/fs.zig                  |  10 +-
 lib/std/heap.zig                |   6 +
 lib/std/heap/sbrk_allocator.zig | 161 +++++++++++++++++++++++
 lib/std/os/plan9.zig            | 152 +++++++++++++++++++---
 lib/std/os/plan9/errno.zig      |   8 ++
 lib/std/start.zig               |  30 ++---
 src/arch/x86_64/Emit.zig        |   2 +-
 src/link/Plan9.zig              | 218 +++++++++++++++++++++-----------
 9 files changed, 471 insertions(+), 119 deletions(-)