Fiasco and linux22 -- RMGR: overlapping modules problem

Gernot Heiser gernot at
Sat Mar 23 02:44:27 CET 2002

Doesn't really belong into this list, but I thought I'd just rectify
some misconception:

>>>>> On Fri, 22 Mar 2002 12:36:51 -0800 (PST), k Macy <kip_macy at> said:
kM> [ ... ]

kM> Basically. Programs would obviously all have to be
kM> position independent in a single address space
kM> operating system e.g. Mungi or Opal or when running on
kM> hardware that doesn't have a proper MMU e.g. uC-Linux.

You don't need position-independent code in a SASOS, not even for
dynamic linking (which means less overhead than in a Unix system). See
Deller and Heiser, Linking Programs in a Single Address Space, USENIX

Gernot Heiser               ,--_|\   School of Computer Sci. & Engin.
Phone: +61 2 9385 5156     /      \  The University of NSW
Fax:   +61 2 9385 5533     \_,--._*  UNSW SYDNEY NSW 2052, Australia
mailto:gernot at        v

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