another snapshot

Signed-off-by: Chris Zankel <chris@zankel.net>
add stat.h

Signed-off-by: Chris Zankel <chris@zankel.net>
xtensa: fix env variable

The code didn't skip the '0' between argv and envp, so was always
providing and empty environment.

Signed-off-by: Chris Zankel <chris@zankel.net>
xtensa: call into __libc_csu_init and __libc_csu_fini

Signed-off-by: Chris Zankel <chris@zankel.net>
xtensa: update copyright notices

Signed-off-by: Chris Zankel <chris@zankel.net>