K 10 svn:author V 2 dg K 8 svn:date V 27 1997-04-03T06:37:49.000000Z K 7 svn:log V 242 Merged from -current: Killed exech_map and do image header reads in a FS- centric way instead of VM-centric. This appears to fix a hang that Peter was seeing as well as allowing detection of errors during the header read (important for NFS). END