On Monday 14 August 2006 02:46, Stanislav Sedov wrote: > Hi! > > I'm trying to write kernel code where exceptions are unavoidable. > To clarify , I need to recover after GP (general protection) exception > on i386 cpu and return an error in that case. > Unfortunately, looking in trap.c kernel code I can't find any exception > handling mechanism except inserting hooks into trap.c. > > So, the question is: how can one recover after exception in kernel > code? AFAIK, linux build special exception table from various __ex_table > sections to allow placing recover code into .fixup section. Does any such > mechanism exists in freebsd? > > Thanks!
You can make use of pcb_onfault to recover from a page fault, but that's about it. Kernel code is expected to not generate exceptions. :) -- John Baldwin _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"
