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Re: print_backtrace not printing full stack
- From: Roland McGrath <roland at redhat dot com>
- To: Jim Keniston <jkenisto at us dot ibm dot com>
- Cc: "Frank Ch. Eigler" <fche at redhat dot com>, Mike Mason <mmlnx at us dot ibm dot com>, SystemTAP <systemtap at sources dot redhat dot com>
- Date: Thu, 10 Aug 2006 15:42:50 -0700 (PDT)
- Subject: Re: print_backtrace not printing full stack
The new backtrace support enabled by CONFIG_UNWIND uses dwarf unwinding for
proper backtraces (and ia64 has its own similar reality). So perhaps all
that's needed is to define some DWARF CFI for the kretprobe trampoline code
that will recover the real frame.