rewrite system call interface to use less assembler.

R=gri
OCL=13546
CL=13546
9 files changed
tree: 865108e75245ddaa2f4f73898fb397dc92afcf2f
  1. doc/
  2. include/
  3. lib/
  4. pkg/
  5. src/
  6. test/
  7. usr/