[Bug runtime/10601] New: user-space deref/registers in loc2c

[fche at redhat dot com]

For secure/robust memory and register access for user-space $target expressions,
the translator must parametrize loc2c to emit different calls for user-space
probes than for kernel-space ones.  This is partly so that user-space $pointers
can't poke at kernel memories, and vice versa.

Related, the user-space register/memory access logic must become aware of
32-bit vs. 64-bit user-space processes on a 64-bit host.  For registers,
this appears to require use of the proper utrace regset machinery instead
of poking at pt_regs.

-- 
           Summary: user-space deref/registers in loc2c
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: runtime
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: fche at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=10601

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