Konstantin Belousov 497a82382b Old (a.out) rtld attempts to mmap zero-length region, e.g. when bss
of the linked object is zero-length. More old code assumes that mmap
of zero length returns success.

For a.out and pre-8 ELF binaries, allow the mmap of zero length.

Reported by:	tegge
Reviewed by:	tegge, alc, jhb
MFC after:	3 days
2009-09-20 12:40:56 +00:00
..