Arch-abstraction:
- create coregrind/x86-linux/ directory.
- move vg_unistd.h into x86-linux/, because it's platform-dependent.  Also
  rename it as vki_unistd.h to make clear it's a kernel interface thing.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2681 a5019735-40e9-0310-863c-91ae7b9d1cf9
11 files changed