Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [discuss] Re: [PATCH 2/3] reliable stack trace support (x86-64) | Date | Thu, 18 May 2006 14:25:51 +0200 |
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> >Maybe I'm dense but I still don't get - frame has a pt_regs so why > >isn't the caller allowed to know about that fact? > > Because the fact that there is a regs fields and the PC is accessible through it is architecture specific, yet the > caller (kernel/unwind.c) ought to be architecture independent.
I doubt we have any architecture where the instruction pointer is not in pt_regs, but ok.
-Andi
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